TWI593984B - Circuit module with detecting assembly - Google Patents

Description

Circuit module with detection component

The invention relates to a circuit module with a detecting component, in particular to a circuit module capable of detecting whether its energy storage component and the relay component are operating normally.

In order to meet different circuit operation requirements, the circuit module often has a number of electronic components such as relays and storage capacitors. When the relay is switched, not only can the current current dynamic sample of the circuit module be changed, but also This controls the storage capacitor to be in a charged state or in a discharged state.

Generally, when the relay is switched from the off state to the on state, the contact may be permanently short-circuited due to excessive instantaneous current, causing the relay to be in a constant conduction state. When the relay cannot be switched back to the off state, it will not be able to Smoothly controlling the storage capacitor to be in a charged state or in a discharged state; or, when the storage capacitor fails due to failure to perform charging or discharging, the entire circuit module may lose a specific function, and further Unable to meet circuit operation requirements.

However, since the circuit module does not necessarily have a detecting component, when one of the relays or the storage capacitor in the circuit module fails, the detecting component is not provided in the circuit module. The user will have no way of knowing the location of the relay or the storage capacitor that caused the fault, thereby increasing the difficulty of subsequent troubleshooting operations.

In view of the above, the present invention provides a circuit module having a detecting component to solve the problem that the faulty component of the conventional circuit module is difficult to detect due to the lack of the detecting component.

The object of the present invention is to provide a circuit module having a detecting component, which can detect the operating state of a relay or a storage capacitor through an appropriate coupling manner to accurately detect a faulty relay or a storage capacitor. The location has the effect of improving the accuracy of fault detection.

"Coupling" as used throughout the present invention means that there is a wired entity, a wireless medium, or a combination thereof (for example, a heterogeneous network) between two devices to provide signal or power transfer between the two devices. The connection relationship.

In order to achieve the foregoing object, a circuit module having a detecting component of the present invention includes: a high voltage wiring having a first end and a second end; and a low voltage wiring having a first end And a second end; a high voltage relay assembly coupled between the first end and the second end of the high voltage connection, and the high voltage relay assembly has a current limiting component; a relay assembly, the low voltage relay assembly is coupled between the first end and the second end of the low voltage connection; an energy storage component coupled to the second end of the high voltage connection and the Between the second ends of the low voltage wiring; and a detecting component, the detecting component has a line detecting unit, and the line detecting unit is coupled to the current limiting element. Thereby, the detecting component can be configured to detect the operating state of the high-voltage relay component, the low-voltage relay component or the energy storage component through an appropriate coupling manner, thereby accurately detecting the position of the component that generates the fault, and having the boost The effect of fault detection accuracy.

The in-line detecting unit is an optical coupler, and the in-line detecting unit has a diode end and a transistor end, and the diode end of the in-line detecting unit is connected in parallel to the current limiting element. Therefore, the same line detecting unit can be used to detect the operating state of the high voltage relay component, the low voltage relay component or the energy storage component through an appropriate coupling manner, thereby accurately detecting the position of the component that generates the fault. It has the effect of improving the accuracy of fault detection.

The detection component further has an off-line detection unit coupled between the second end of the high voltage connection and the first end of the low voltage connection. Thereby, the detecting component can be configured to detect the high voltage relay component and the low voltage relay component through an appropriate coupling manner Or the operation state of the energy storage component, thereby accurately detecting the position of the component that generates the fault, and has the effect of improving the accuracy of fault detection.

The alien detecting unit is a photocoupler having a diode end and a transistor end, and the diode end of the X-ray detecting unit is coupled to the high voltage The second end of the wiring and the first end of the low voltage wiring. Thereby, the alien detecting unit can be configured to detect the operating state of the high voltage relay component, the low voltage relay component or the energy storage component through an appropriate coupling manner, thereby accurately detecting the position of the component that generates the fault. It has the effect of improving the accuracy of fault detection.

The detecting component further has a same end detecting unit coupled between the second end of the high voltage wiring and the second end of the low voltage wiring. Thereby, the detecting component can be configured to detect the operating state of the high-voltage relay component, the low-voltage relay component or the energy storage component through an appropriate coupling manner, thereby accurately detecting the position of the component that generates the fault, and having the boost The effect of fault detection accuracy.

The same-end detection unit is an optical coupler, and the same-end detection unit has a diode end and a transistor end, and the diode end of the same-end detection unit is coupled to the high-voltage end. Between the second end of the wiring and the second end of the low voltage connection. Thereby, the same-end detecting unit can be used to detect the operating state of the high-voltage relay component, the low-voltage relay component or the energy storage component through an appropriate coupling manner, thereby accurately detecting the position of the faulty component. It has the effect of improving the accuracy of fault detection.

The detection component further has an opposite-end detection unit coupled between the first end of the high-voltage connection and the second end of the low-voltage connection. Thereby, the detecting component can be configured to detect the operating state of the high-voltage relay component, the low-voltage relay component or the energy storage component through an appropriate coupling manner, thereby accurately detecting the position of the component that generates the fault, and having the boost The effect of fault detection accuracy.

The heterodyne detection unit is an optical coupler, and the heterogeneous detection unit has A diode end and a transistor end, the diode end of the opposite-end detection unit is coupled between the first end of the high-voltage connection and the second end of the low-voltage connection. Thereby, the heterodyne detection unit can be configured to detect the operation state of the high voltage relay component, the low voltage relay component or the energy storage component through an appropriate coupling manner, thereby accurately detecting the position of the faulty component. Improve the accuracy of fault detection.

The high voltage relay component has a first high voltage relay and a second high voltage relay, and the current limiting component is connected in series with the first high voltage relay and then connected in parallel with the second high voltage relay. Thereby, the high-voltage relay component can pass through different switching modes to achieve the circuit operation requirement, and has the effect of improving the applicability of the circuit.

The microprocessor has a control terminal and a detection terminal. The control terminal is coupled to the high voltage relay component and the low voltage relay component. The detection terminal is coupled to the detection component. Thereby, the microprocessor can determine whether the charging process of the energy storage component is normal through the control terminal and the detecting terminal, or determine whether the first high voltage relay, the second high voltage relay or the low voltage relay component is abnormally opened or closed. It has the effect of improving the accuracy of fault detection and the convenience of detection.

〔this invention〕

1‧‧‧High voltage wiring

11‧‧‧ first end

12‧‧‧ second end

2‧‧‧Low voltage wiring

21‧‧‧ first end

22‧‧‧ second end

3‧‧‧High-voltage relay components

31‧‧‧ Current limiting components

32‧‧‧First high voltage relay

33‧‧‧Second high voltage relay

4‧‧‧Low-voltage relay components

5‧‧‧ Energy storage components

6‧‧‧Detection components

61‧‧‧Inline detection unit

62‧‧‧Differential detection unit

63‧‧‧Terminal detection unit

64‧‧‧Head detection unit

7‧‧‧Microprocessor

71‧‧‧Control terminal

72‧‧‧Detection

B‧‧‧Power supply unit

R1‧‧‧protective components

R2‧‧‧ adjustment components

Figure 1 is a circuit diagram of a circuit module having a detection component of the present invention.

The above and other objects, features, and advantages of the present invention will become more apparent from the aspects of the appended claims. The circuit module with the detecting component of the present invention comprises a high voltage wiring 1, a low voltage wiring 2, a high voltage relay component 3, a low voltage relay component 4, an energy storage component 5 and a detecting component 6. The high voltage connection 1 has a higher level of voltage than the low voltage connection 2, and the high voltage relay assembly 3 is coupled to the high voltage connection 1 and the low voltage relay assembly 4 The low-voltage connection 2 is coupled between the high-voltage connection 1 and the low-voltage connection 2, and the detection component 6 is coupled to the high-voltage relay assembly 3.

The high voltage connection 1 has a first end 11 and a second end 12.

The low voltage connection 2 has a first end 21 and a second end 22. Wherein, the high voltage connection 1 and the low voltage connection 2 are wirings having a high level voltage and a low level voltage in a circuit loop, for example, in the embodiment, the first end 11 of the high voltage connection 1 and the low voltage The first end 21 of the wiring 2 can be respectively coupled to the positive end and the negative end of the power supply device B, so that the voltage of the high voltage wiring 1 is not less than the voltage of the low voltage wiring 2.

The high-voltage relay assembly 3 is coupled between the first end 11 and the second end 12 of the high-voltage cable 1 , and the high-voltage relay assembly 3 has a current limiting component 31 , and the current limiting component 31 can be a Current limiting resistor. The high voltage relay component 3 can have only a single relay and the current limiting component 31, or in the embodiment, the high voltage relay component 3 has a first high voltage relay 32 and a second high voltage relay 33. The current limiting component 31 is connected in series with the first high voltage relay 32 and then connected in parallel with the second high voltage relay 33. Thereby, the high voltage relay component 3 can pass different switching modes to achieve circuit operation requirements, and has the applicability of the lifting circuit. Effect.

The low voltage relay assembly 4 is coupled between the first end 21 and the second end 22 of the low voltage connection 2 .

The energy storage component 5 is coupled between the second end 12 of the high voltage connection 1 and the second end 22 of the low voltage connection 2 . The energy storage device 5 can be a storage capacitor. In this embodiment, the power supply device B, the high voltage connection 1, the energy storage device 5, and the low voltage connection 2 can form a circuit together, and when the high voltage When the relay component 3 and the low-voltage relay component 4 are respectively coupled to the high-voltage wiring 1 and the low-voltage wiring 2, the high-voltage relay component 3 and the low-voltage relay component 4 can control the energy storage component through the switching of the transparent state. 5 is in a charged state or in a discharged state.

The detecting component 6 has a line detecting unit 61 , and the line detecting unit 61 is coupled to the current limiting element 31 . In this embodiment, the same line detecting unit 61 is an optical coupler. The in-line detecting unit 61 has a diode end and a transistor end. The diode end of the in-line detecting unit 61 is connected in parallel to the current limiting element 31.

More specifically, when the high voltage relay component 3 has the first high voltage relay 32 and the second high voltage relay 33, if the first high voltage relay 32 and the low voltage relay component 4 are both switched to an on state, and When the second high voltage relay 33 is switched to the off state, the two ends of the energy storage element 5 have a potential difference due to the conduction of the first high voltage relay 32 and the low voltage relay component 4, so that the energy storage element 5 is in a charged state. When the energy storage element 5 is in a charging state, the current limiting element 31 also has a potential difference, and the diode end of the same line detecting unit 61 also emits light due to a potential difference, and the same line detection The transistor end of the measuring unit 61 generates and outputs a line detection signal.

Then, when the energy storage element 5 is charged, that is, the potential between the first end 11 and the second end 12 of the high voltage connection 1 is the same, the current limiting element 31 will have no potential difference, and the same line detection The diode terminal of the measuring unit 61 also emits light because there is no potential difference, and the transistor end of the same line detecting unit 61 no longer generates and outputs the same line detecting signal. Therefore, the user can determine whether the charging process of the energy storage component 5 is normal according to the output condition of the same line detection signal of the same line detecting unit 61; or determine the first high voltage relay 32 and the low voltage relay component. 4 Whether it is in a conducting state; or determining whether the second high voltage relay 33 is in an off state, has the effect of improving the accuracy of fault detection.

In addition, the detecting component 6 can have an external line detecting unit 62 coupled to the second end 12 of the high voltage wire 1 and the first end 21 of the low voltage wire 2 between. In this embodiment, the different line detecting unit 62 is an optical coupler, and the different line detecting unit 62 has a diode end and a transistor end, and the diode of the different line detecting unit 62 The end is coupled between the second end 12 of the high voltage connection 1 and the first end 21 of the low voltage connection 2 .

More specifically, when the high voltage relay component 3 has the first high voltage relay 32 and the second high voltage relay 33, if the first high voltage relay 32 is switched to the on state, When the second high voltage relay 33 and the low voltage relay component 4 are both switched to the off state, the diode end of the different line detecting unit 62 emits light due to the potential difference, and the alien detecting unit 62 is enabled. An abnormal line detection signal is generated and outputted by the transistor end. If the different line detection unit 62 does not generate and output the different line detection signal, the opening and closing abnormality of the first high voltage relay 32 can be determined.

Alternatively, if the second high voltage relay 33 is switched to the on state, and the first high voltage relay 32 and the low voltage relay component 4 are both switched to the off state, the diode end of the different line detecting unit 62 is also If the potential detection is generated by the transistor detecting unit 62, and the different line detection signal is not generated and outputted by the different line detecting unit 62, The opening and closing abnormality of the second high voltage relay 33 can be judged.

Alternatively, if the first high voltage relay 32, the second high voltage relay 33, and the low voltage relay component 4 are both switched to the off state, the diode end of the different line detecting unit 62 may have a potential difference. The light-emitting detection unit 62 does not generate and output the different-line detection signal, and if the different-line detection unit 62 still generates and outputs the different-line detection signal, it can be determined. The opening and closing of the high voltage relay assembly 3 (the first high voltage relay 32 or the second high voltage relay 33) is abnormal.

Alternatively, if both the first high voltage relay 32 and the low voltage relay assembly 4 are switched to the on state, and the second high voltage relay 33 is switched to the off state, the two ends of the energy storage element 5 may be due to the first high voltage. The relay 32 and the low-voltage relay component 4 are turned on to have a potential difference, so that the energy storage component 5 is in a charging state, and the diode of the different-line detecting unit 62 is not in the charging state of the energy storage component 5 The terminal does not emit light because it does not have a potential difference, and the transistor end of the alien detecting unit 62 does not generate and output the alien detecting signal.

Then, when the energy storage component 5 is fully charged, that is, there is a potential difference between the second end 12 of the high voltage connection 1 and the first end 21 of the low voltage connection 2, and the second detection unit 62 The polar body end also emits light due to the potential difference, and the transistor end of the alien detecting unit 62 generates and outputs the different line detecting signal. Thereby, the user can follow the different line The output status of the different line detection signal of the detecting unit 62 determines whether the first high voltage relay 32 or the second high voltage relay 33 is abnormally opened or closed; or determines whether the charging process of the energy storage element 5 is normal, and has an improved fault detection. The effect of measuring accuracy.

In addition, the detecting component 6 can have a similar detecting unit 63. The same detecting unit 63 is coupled between the second end 12 of the high voltage wiring 1 and the second end 22 of the low voltage wiring 2. . In this embodiment, the same-end detecting unit 63 is an optical coupler, and the same-end detecting unit 63 has a diode end and a transistor end, and the diode of the same-end detecting unit 63 The end is coupled between the second end 12 of the high voltage connection 1 and the second end 22 of the low voltage connection 2 .

More specifically, when the high voltage relay component 3 has the first high voltage relay 32 and the second high voltage relay 33, if the first high voltage relay 32 and the low voltage relay component 4 are both switched to an on state, and When the second high voltage relay 33 is switched to the off state, the two ends of the energy storage element 5 have a potential difference due to the conduction of the first high voltage relay 32 and the low voltage relay component 4, so that the energy storage element 5 is in a charged state. When the energy storage device 5 has not yet entered the charging state, the diode end of the same-end detecting unit 63 does not emit light because there is no potential difference, and the transistor end of the different-line detecting unit 63 Does not generate and output a peer detection signal.

Then, when the energy storage component 5 is fully charged, that is, there is a potential difference between the second end 12 of the high voltage connection 1 and the second end 22 of the low voltage connection 2, and the second detection unit 63 The polar body end emits light due to the potential difference, and the transistor end of the same end detecting unit 63 generates and outputs the same end detecting signal.

Alternatively, when the energy storage component 5 is charged, the first high voltage relay 32, the second high voltage relay 33, and the low voltage relay component 4 are all switched to the off state, because the second end of the high voltage wiring 1 12 and the second end 22 of the low-voltage connection 2 have a potential difference due to the energy storage element 5. The diode end of the same-end detection unit 63 also emits light due to a potential difference, and makes the same The same end detection signal is generated and outputted by the transistor end of the end detecting unit 63. If the same end detecting unit 63 does not generate and output the same end detecting signal, the first detecting unit At least one of the high voltage relay 32, the second high voltage relay 33, or the low voltage relay assembly 4 may be abnormally opened and closed. Therefore, the user can determine whether the charging process of the energy storage component 5 is normal according to the output status of the same-end detection signal of the same-end detecting unit 63; or determine the first high-voltage relay 32 and the second high-voltage relay. 33 or whether at least one of the low-voltage relay components 4 is abnormally opened or closed has an effect of improving fault detection accuracy.

In addition, the detection component 6 can have an opposite-end detection unit 64 coupled between the first end 11 of the high-voltage connection 1 and the second end 22 of the low-voltage connection 2 . In this embodiment, the heterodyne detection unit 64 is an optocoupler, and the heterodyne detection unit 64 has a diode end and a transistor end. The diode end coupling of the end detection unit 64 is coupled. Connected between the first end 11 of the high voltage connection 1 and the second end 22 of the low voltage connection 2.

More specifically, when the high voltage relay assembly 3 has the first high voltage relay 32 and the second high voltage relay 33, if the low voltage relay assembly 4 is switched to the conducting state, the high voltage relay assembly 3 is switched to disconnected. In the state (the first high voltage relay 32 and the second high voltage relay 33 are both switched to the off state), the diode end of the isolating detection unit 64 emits light due to the potential difference, and the opposite end detecting unit is The transistor end of the 64 generates and outputs an isolating detection signal. If the outlier detecting unit 64 does not generate and output the outlier detection signal, the abnormal opening and closing of the low voltage relay component 4 can be determined.

Alternatively, if the first high voltage relay 32, the second high voltage relay 33, and the low voltage relay component 4 are both switched to the off state, the diode end of the isolating detection unit 64 may not have a potential difference. Illuminating, and causing the transistor end of the opposite-end detecting unit 64 not to generate and output the isolating detection signal. If the heterodyne detecting unit 64 still generates and outputs the isolating detection signal, the low-voltage relay component can be determined. 4 is abnormally opened and closed. Therefore, the user can determine whether the low-voltage relay component 4 is abnormally opened or closed according to the output condition of the heresy detection signal of the heterodyne detection unit 64, and has the effect of improving the accuracy of fault detection.

Furthermore, the circuit module having the detecting component of the present invention may further have a microprocessor The microprocessor 7 has a control terminal 71 and a detection terminal 72. The control terminal 71 is coupled to the high voltage relay component 3 and the low voltage relay component 4, and the detection terminal 72 is coupled to the detection component 6. The same-line detecting unit 61, the different-line detecting unit 62, the same-end detecting unit 63, and the opposite-end detecting unit 64. In the embodiment, the control terminal 71 is coupled to the first high voltage relay 32, the second high voltage relay 33 and the low voltage relay component 4, so that the microprocessor 7 can control the first through the control terminal 71. The high voltage relay 32, the second high voltage relay 33, and the low voltage relay component 4 are in an on state or an off state; the detecting end 72 is coupled to the transistor end of the same line detecting unit 61, and the different line detecting unit The transistor end of the transistor, the transistor end of the same-end detecting unit 63, and the transistor end of the opposite-end detecting unit 64 enable the microprocessor 7 to detect whether the line is received through the detecting end 72. The detection signal, the different line detection signal, the same end detection signal, and the heresy detection signal. Thereby, the microprocessor 7 can control the first high voltage relay 32, the second high voltage relay 33 and the low voltage relay component 4 to be in an on state or an off state through the control terminal 71, and detect through the detecting end 72. Whether the same line detection signal, the different line detection signal, the same end detection signal, and the opposite end detection signal are received, thereby determining whether the charging process of the energy storage element 5 is normal; or determining the first high voltage relay 32 Whether the second high voltage relay 33 or the low voltage relay assembly 4 is abnormally opened or closed has the effect of improving fault detection accuracy and detecting convenience.

When the present invention has the microprocessor 7, the first high voltage relay 32, the second high voltage relay 33, the low voltage relay component 4, the same line detection signal, the different line detection signal, the same end The detection result represented by the correspondence between the detection signal and the heresy detection signal can be as shown in Table 1. The number "1" represents that the first high voltage relay 32, the second high voltage relay 33, the low voltage relay component 4 are in an on state, or represents the same line detection signal, the different line detection signal, and the same The terminal detection signal and the heterogeneous detection signal; the number “0” represents that the first high voltage relay 32, the second high voltage relay 33, the low voltage relay component 4 are in an off state, or represents that the same line detection is not generated. The signal, the different line detection signal, the same end detection signal, and the heresy detection signal.

It can be seen from Table 1 that when the first high voltage relay 32, the second high voltage relay 33, and the low voltage relay component 4 are respectively in an on state or an off state, at this time, the detecting end 72 of the microprocessor 7 can be Determining the first high voltage relay 32, the second high voltage relay 33, and the low voltage relay according to the same line detection signal, the different line detection signal, the same end detection signal, or the reception of the outlier detection signal Whether the electrical component 4 and the energy storage component 5 are abnormal has the effect of improving the accuracy of fault detection.

In addition, the detecting component 6 can be additionally provided with at least one protection component R1. In this embodiment, the protection element R1 can be a protection resistor to prevent excessive current from flowing through the detection component 6. For example, the diode end of the same line detecting unit 61 is connected in series with the protection element R1 and then connected in parallel with the current limiting element 31 to prevent excessive current from flowing through the diode of the same line detecting unit 61. Alternatively, the different line detecting unit 62 is coupled to the second end 12 of the high voltage connection 1 and the first end 21 of the low voltage connection 2 through the other two protection elements R1 to avoid excessive The current flowing through the diode terminal of the different-wire detecting unit 62; or the same-side detecting unit 63 is coupled to the second terminal 12 of the high-voltage cable 1 through the other two protective components R1 and The second end 22 of the low voltage connection 2 prevents excessive current from flowing through the diode end of the same end detection unit 63; or the opposite end detection unit 64 transmits the other two protection elements R1 The first end 11 of the high voltage connection 1 and the second end 22 of the low voltage connection 2 are respectively coupled to Excessive current is prevented from flowing through the diode terminal of the heterodyne detection unit 64. Thereby, the arrangement of the protection component R1 can prevent excessive current from flowing through the detecting component 6, and has the effect of maintaining the normal operation of the detecting component 6.

In addition, the detecting component 6 can be further provided with at least one adjusting component R2. In this embodiment, the adjusting component R2 can be an adjusting resistor to ensure that the detecting component 6 can normally output a detecting signal. For example, the transistor end of the in-line detecting unit 61 is coupled through the adjusting component R2. Connected to a ground terminal to ensure that the same line detecting unit 61 can output the same line detecting signal; or the transistor end of the different line detecting unit 62 is coupled to the other adjusting element R2 to The grounding end is configured to ensure that the different line detecting unit 62 can output the abnormal line detecting signal normally; or the transistor end of the same end detecting unit 63 is coupled to the ground through another adjusting component R2 End, to ensure that the same-end detection unit 63 can output the same-end detection signal; or the transistor end of the opposite-end detection unit 64 is coupled to the ground through another adjustment component R2, It is ensured that the heresy detecting unit 64 can output the isolating signal normally. Therefore, the setting of the adjusting component R2 ensures that the detecting component 6 can output the detecting signal normally, and has the effect of maintaining the normal operation of the detecting component 6.

In summary, the circuit module with the detecting component of the present invention can enable the detecting component 6 to detect the high voltage relay component 3, the low voltage relay component 4 or the energy storage device through an appropriate coupling manner. The operating state of the component 5, thereby accurately detecting the position of the component that caused the fault, has the effect of improving the accuracy of fault detection.

While the invention has been described in connection with the preferred embodiments described above, it is not intended to limit the scope of the invention. The technical scope of the invention is protected, and therefore the scope of the invention is defined by the scope of the appended claims.

1‧‧‧High voltage wiring

11‧‧‧ first end

12‧‧‧ second end

2‧‧‧Low voltage wiring

21‧‧‧ first end

22‧‧‧ second end

3‧‧‧High-voltage relay components

31‧‧‧ Current limiting components

32‧‧‧First high voltage relay

33‧‧‧Second high voltage relay

4‧‧‧Low-voltage relay components

5‧‧‧ Energy storage components

6‧‧‧Detection components

61‧‧‧Inline detection unit

62‧‧‧Differential detection unit

63‧‧‧Terminal detection unit

64‧‧‧Head detection unit

7‧‧‧Microprocessor

71‧‧‧Control terminal

72‧‧‧Detection

B‧‧‧Power supply unit

R1‧‧‧protective components

R2‧‧‧ adjustment components

Claims (10)

A circuit module having a detecting component, comprising: a high voltage wiring having a first end and a second end; and a low voltage connection having a first end and a second end; a relay assembly, the high voltage relay assembly is coupled between the first end and the second end of the high voltage connection, and the high voltage relay assembly has a current limiting component; a low voltage relay component, the low voltage relay The component is coupled between the first end and the second end of the low voltage connection; an energy storage component coupled to the second end of the high voltage connection and the second end of the low voltage connection And a detecting component, the detecting component has a line detecting unit, and the line detecting unit is coupled to the current limiting element. The circuit module with a detecting component according to the first aspect of the invention, wherein the in-line detecting unit is an optical coupler, and the in-line detecting unit has a diode end and a transistor end. The diode end of the line detecting unit is connected in parallel to the current limiting element. The circuit module of claim 1, wherein the detecting component further has an out-of-line detecting unit coupled to the second end of the high voltage wiring And between the first end of the low voltage connection. The circuit module with a detecting component according to claim 3, wherein the different line detecting unit is an optical coupler, and the different line detecting unit has a diode end and a transistor end. The diode end of the different line detecting unit is coupled to the second end of the high voltage connection and the first end of the low voltage connection. The circuit module having the detecting component of the first aspect of the invention, wherein the detecting component further has a same end detecting unit, the same detecting unit coupled to the second end of the high voltage wiring and Between the second ends of the low voltage wiring. The circuit module with a detecting component according to claim 5, wherein the same detecting unit is an optical coupler, and the same detecting unit has a diode end and a transistor end. The diode end of the same-end detection unit is coupled between the second end of the high-voltage connection and the second end of the low-voltage connection. The circuit module of claim 1, wherein the detecting component further has a different-end detecting unit coupled to the first end of the high-voltage wiring and the Between the second ends of the low voltage wiring. The circuit module with a detecting component according to the seventh aspect of the invention, wherein the heterodyne detecting unit is an optical coupler, and the opposite detecting unit has a diode end and a transistor end, and the opposite end The diode end of the detecting unit is coupled between the first end of the high voltage connection and the second end of the low voltage connection. The circuit module with a detecting component according to claim 1, wherein the high voltage relay component has a first high voltage relay and a second high voltage relay, and the current limiting component is connected in series with the first high voltage relay. Then parallel with the second high voltage relay. The circuit module of claim 1, wherein the circuit module has a control unit, and the control unit is coupled to the high voltage relay component and The low voltage relay component is coupled to the detecting component.