CN103296872A - Battery filtering device of temperature monitoring subsystem in transformer substation auxiliary system - Google Patents
Battery filtering device of temperature monitoring subsystem in transformer substation auxiliary system Download PDFInfo
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- CN103296872A CN103296872A CN2013102373172A CN201310237317A CN103296872A CN 103296872 A CN103296872 A CN 103296872A CN 2013102373172 A CN2013102373172 A CN 2013102373172A CN 201310237317 A CN201310237317 A CN 201310237317A CN 103296872 A CN103296872 A CN 103296872A
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- temperature monitoring
- capacitor
- monitoring subsystem
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Abstract
The invention discloses a battery filtering device of a temperature monitoring subsystem in a transformer substation auxiliary system. The battery filtering device of the temperature monitoring subsystem in the transformer substation auxiliary system comprises a battery (1), a first resistor (R1), a first capacitor (C1), a second capacitor (C2), a voltage stabilizer (3) and a voltage output line (2) connected with the output end of the voltage stabilizer (3), wherein two ends of the first resistor (R1) are connected with a positive pole of the battery (1) and the input end of the voltage stabilizer (3) respectively, one end of the first capacitor (C1) and one end of the second capacitor (C2) are connected to a line between the first resistor (R1) and the voltage stabilizer (3), and the other end of the first capacitor (C1) and the other end of the second capacitor (C2) are grounded. When the battery (1) supplies electricity, a filtering circuit formed by the first capacitor (C1) and the second capacitor (C2) can filter parts of ripple waves and further can reduced the influence of the ripple waves on the temperature monitoring subsystem.
Description
Technical field
The present invention relates to transformer station supplementary controlled system field, specifically is the battery filter of temperature monitoring subsystem in transformer station's auxiliary system.
Background technology
Along with industrial expansion, all trades and professions improve day by day to the power supply reliability of electric power system and the requirement of stability, transformer station is as the core link of electric power system, it is used for compiling power supply, lifting voltage and distributes electric energy, undertaking high-low pressure conversion and the power supply task of region, therefore, the safe operation of transformer station is most important to electric power system.In order to guarantee the reliable and stable operation of transformer station, existing transformer station generally is equipped with the ambient temperature and humidity monitoring system, and wherein, the controller of the temperature monitoring system microcontroller based on ARM commonly used is realized, and microcontroller is powered by battery.There is ripple in the supply voltage exported when the microcontroller of temperature monitoring system is powered of battery now, and then it is not steady to cause importing the supply power voltage of microcontroller, and this has directly influenced the temperature monitoring system monitoring accuracy.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, the battery filter of temperature monitoring subsystem in a kind of transformer station's auxiliary system that can reduce the power supply output ripple is provided.
Purpose of the present invention is achieved through the following technical solutions: the battery filter of temperature monitoring subsystem in transformer station's auxiliary system, comprise battery, first resistance, first electric capacity, second electric capacity, pressurizer and the voltage output line that is connected with output end of voltage stabilizer, the described first resistance two ends are connected with the pressurizer input with anode respectively, described first electric capacity, second electric capacity all have an end to be connected on the circuit between first resistance and the pressurizer, and the equal ground connection of both other ends.
The battery filter of temperature monitoring subsystem in transformer station's auxiliary system also comprises the 3rd electric capacity and the 4th electric capacity, and described the 3rd electric capacity and the 4th electric capacity all have an end to be connected on the voltage output line, and both other end ground connection.Wherein, the 3rd electric capacity and the 4th electric capacity reduce ripple for the voltage of exporting after the pressurizer voltage stabilizing is carried out filtering again.
The capacity of described first electric capacity and the 3rd electric capacity is 100uF, and the capacity of described second electric capacity and the 4th electric capacity is 0.1uF.So, first electric capacity and the 3rd electric capacity were used for High frequency filter when the present invention used, and second electric capacity and the 4th electric capacity are used for low frequency filtering.
Be connected with thermo-sensitive resistor between the both positive and negative polarity of described battery.Wherein, thermo-sensitive resistor is to the variation of ambient temperature sensitivity, and its resistance changes with the variation of ambient temperature, can detect the variation of battery temperature when the present invention uses by the resistance that detects thermo-sensitive resistor.
The battery filter of temperature monitoring subsystem in transformer station's auxiliary system, also comprise second resistance and first light-emitting diode, the described second resistance two ends are connected the minus earth of described first light-emitting diode with voltage output line and first light-emitting diode are anodal respectively.The present invention is when powered battery, and first lumination of light emitting diode can be monitored power supply state.
Compared with prior art, the present invention has following beneficial effect: the circuit of the present invention between battery and pressurizer is connected with the filter circuit that is made of first electric capacity and second electric capacity, when battery is microprocessor power supply, filter can carry out filtering to the part ripple of battery output, thereby reduces ripple to the influence of microcontroller work; The voltage of battery output of the present invention further can guarantee the stable of the interior voltage of input microcontroller through pressurizer.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
The corresponding name of Reference numeral is called in the accompanying drawing: 1, battery, 2, voltage output line, 3, pressurizer, R1, first resistance, R2, second resistance, C1, first electric capacity, C2, second electric capacity, C3, the 3rd electric capacity, C4, the 4th electric capacity, LED1, first light-emitting diode.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the battery filter of temperature monitoring subsystem in transformer station's auxiliary system, comprise battery 1, first resistance R 1, first capacitor C 1, second capacitor C 2, pressurizer 3 and the voltage output line 2 that is connected with pressurizer 3 outputs, wherein pressurizer 3 adopts the LDO chip to realize.First resistance R, 1 two ends are connected with pressurizer 3 inputs with battery 1 positive pole respectively, first capacitor C 1, second capacitor C 2 all have an end to be connected on the circuit between first resistance R 1 and the pressurizer 3, and both connect equal ground connection of the other end of line scan pickup coil side between first resistance R 1 and the pressurizer 3 relatively.For the voltage after the voltage stabilizing is carried out filtering again, present embodiment also comprises the 3rd capacitor C 3 and the 4th capacitor C 4, wherein, the 3rd capacitor C 3 and the 4th capacitor C 4 all have an end to be connected on the voltage output line 2, and both connect the other end ground connection of voltage output line 2 ends relatively.The capacity of first capacitor C 1 and the 3rd capacitor C 3 is 100uF in the present embodiment, and the capacity of second capacitor C 2 and the 4th capacitor C 4 is 0.1uF.For to the detecting of battery 1, be connected with thermo-sensitive resistor (thermo-sensitive resistor does not draw in the accompanying drawings) between the both positive and negative polarity of battery 1.
Present embodiment also is provided with the indicating circuit of battery 1 power supply state, this indicating circuit comprises second resistance R 2 and first LED 1, wherein, second resistance R, 2 two ends are connected the minus earth of first LED 1 with voltage output line 2 with first LED, 1 positive pole respectively.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention does, can not assert that the specific embodiment of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, not breaking away from other execution modes that draw under the technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (5)
1. the battery filter of temperature monitoring subsystem in transformer station's auxiliary system, it is characterized in that: comprise battery (1), first resistance (R1), first electric capacity (C1), second electric capacity (C2), pressurizer (3) and the voltage output line (2) that is connected with pressurizer (3) output, described first resistance (R1) two ends are connected with pressurizer (3) input with battery (1) is anodal respectively, described first electric capacity (C1), second electric capacity (C2) all has an end to be connected on the circuit between first resistance (R1) and the pressurizer (3), and the equal ground connection of both other ends.
2. the battery filter of temperature monitoring subsystem in the transformer station according to claim 1 auxiliary system, it is characterized in that: also comprise the 3rd electric capacity (C3) and the 4th electric capacity (C4), described the 3rd electric capacity (C3) and the 4th electric capacity (C4) all have an end to be connected on the voltage output line (2), and both other end ground connection.
3. the battery filter of temperature monitoring subsystem in the transformer station according to claim 2 auxiliary system, it is characterized in that: described first electric capacity (C1) and both capacity of the 3rd electric capacity (C3) are 100uF, and described second electric capacity (C2) and both capacity of the 4th electric capacity (C4) are 0.1uF.
4. the battery filter of temperature monitoring subsystem in the transformer station according to claim 1 auxiliary system is characterized in that: be connected with thermo-sensitive resistor between the both positive and negative polarity of described battery (1).
5. according to the battery filter of temperature monitoring subsystem in any described transformer station auxiliary system in the claim 1～4, it is characterized in that: also comprise second resistance (R2) and first light-emitting diode (LED1), described second resistance (R2) two ends are connected the minus earth of described first light-emitting diode (LED1) with voltage output line (2) and first light-emitting diode (LED1) are anodal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102373172A CN103296872A (en) | 2013-06-17 | 2013-06-17 | Battery filtering device of temperature monitoring subsystem in transformer substation auxiliary system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102373172A CN103296872A (en) | 2013-06-17 | 2013-06-17 | Battery filtering device of temperature monitoring subsystem in transformer substation auxiliary system |
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| Publication Number | Publication Date |
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| CN103296872A true CN103296872A (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102373172A Pending CN103296872A (en) | 2013-06-17 | 2013-06-17 | Battery filtering device of temperature monitoring subsystem in transformer substation auxiliary system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020118559A1 (en) * | 2001-02-26 | 2002-08-29 | Canon Kabushiki Kaisha | Inverter, power supply system and method of reducing leakage current in power supply system |
| CN201408993Y (en) * | 2009-04-24 | 2010-02-17 | 四川长虹电器股份有限公司 | High-current direct-current low-voltage power supply circuit |
| CN101931335A (en) * | 2009-06-19 | 2010-12-29 | 上海市晋元高级中学 | Circuit power supply system |
| CN202564910U (en) * | 2012-04-26 | 2012-11-28 | 浙江天煌科技实业有限公司 | Novel leakage protection circuit |
| CN203278634U (en) * | 2013-06-17 | 2013-11-06 | 成都荣耀科技有限公司 | Battery filter of temperature monitoring subsystem in transformer station auxiliary system |
-
2013
- 2013-06-17 CN CN2013102373172A patent/CN103296872A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020118559A1 (en) * | 2001-02-26 | 2002-08-29 | Canon Kabushiki Kaisha | Inverter, power supply system and method of reducing leakage current in power supply system |
| CN201408993Y (en) * | 2009-04-24 | 2010-02-17 | 四川长虹电器股份有限公司 | High-current direct-current low-voltage power supply circuit |
| CN101931335A (en) * | 2009-06-19 | 2010-12-29 | 上海市晋元高级中学 | Circuit power supply system |
| CN202564910U (en) * | 2012-04-26 | 2012-11-28 | 浙江天煌科技实业有限公司 | Novel leakage protection circuit |
| CN203278634U (en) * | 2013-06-17 | 2013-11-06 | 成都荣耀科技有限公司 | Battery filter of temperature monitoring subsystem in transformer station auxiliary system |
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Application publication date: 20130911 |