CN111399616A

CN111399616A - Internet of things cloud platform based on WEB client

Info

Publication number: CN111399616A
Application number: CN202010147211.3A
Authority: CN
Inventors: 胡国文
Original assignee: Guangzhou Youda Electronic Technology Co ltd
Current assignee: Guangzhou Youda Electronic Technology Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-07-10

Abstract

The invention relates to the field of Internet of things, and discloses an Internet of things cloud platform based on a WEB client, which comprises a detection module, a main processor, a UPS (uninterrupted power supply), a wireless communication module, a cloud end, a background server and a cloud platform WEB client, wherein the monitoring module is connected with the main processor; the UPS power supply comprises a charger, a battery and an inverter; the inverter comprises a first resistor, a first triode, a first capacitor, a second resistor, a second triode, a third resistor, a fourth resistor, a third triode, a first diode, a fourth triode, a switch, a transformer and a voltage output end. The circuit of the invention has the advantages of simple structure, low cost, convenient maintenance and high safety and reliability of the circuit.

Description

Internet of things cloud platform based on WEB client

Technical Field

The invention relates to the field of Internet of things, in particular to an Internet of things cloud platform based on a WEB client.

Background

With the development of computer applications, the function of the UPS becomes more and more important, and the most important function of the UPS is to provide continuous uninterrupted power to the computer to obtain high-quality power. In order to meet the requirements of different users and different use conditions, various forms have been developed on the hardware main structure of the UPS, and the performances are different. However, it is increasingly recognized that in order to make a UPS function sufficiently and improve its ability to handle emergencies, the UPS must be managed and maintained, and monitoring and even networked management of the UPS are important means. UPS monitoring technology and networking research are dedicated to major UPS manufacturers at home and abroad. The UPS can be monitored by adopting an Internet of things cloud platform based on a WEB client, fig. 1 is a circuit schematic diagram of an inverter part in a UPS power supply in the prior art, and as can be seen from fig. 1, the inverter part of the conventional UPS power supply has more components, complex circuit structure, higher hardware cost and inconvenient maintenance. In addition, since the inverter portion of the conventional UPS power supply lacks a corresponding circuit protection function, for example: the safety and reliability of the circuit are poor due to the lack of the current-limiting protection function.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an internet of things cloud platform based on a WEB client, which has a simple circuit structure, low cost, convenient maintenance and high circuit safety and reliability, and aims to overcome the defects in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the Internet of things cloud platform based on the WEB client is constructed and comprises a detection module, a main processor, a UPS (uninterrupted Power supply), a wireless communication module, a cloud end, a background server and a cloud platform WEB client, wherein the monitoring module is connected with the main processor; the UPS comprises a charger, a battery and an inverter, wherein a voltage input end is respectively connected with one end of the charger and one end of the inverter, the other end of the charger is connected with the positive electrode of the battery, the negative electrode of the battery is connected with the inverter, and the inverter is also connected with a load;

the inverter comprises a first resistor, a first triode, a first capacitor, a second resistor, a second triode, a third resistor, a fourth resistor, a third triode, a first diode, a fourth triode, a switch, a transformer and a voltage output end, wherein a collector of the first triode is connected with one end of the first capacitor and one end of the first resistor respectively, the other end of the first capacitor is connected with a base of the second triode, a base of the first triode is connected with one end of the second capacitor, the other end of the first resistor is connected with one end of the second resistor, an intermediate node of a primary coil of the transformer and one end of the switch respectively, a collector of the second triode is connected with the other end of the second capacitor, one end of the third resistor and a base of the third triode respectively, and an emitter of the first triode is connected with an emitter of the second triode respectively, The other end of the third resistor, one end of the fourth resistor, an emitting electrode of the third triode, the positive electrode of the battery and the positive electrode of the first diode are connected, the negative electrode of the first diode is connected with the emitting electrode of the fourth triode, a collecting electrode of the first triode is respectively connected with the other end of the fourth resistor and a base electrode of the fourth triode, a collecting electrode of the third triode is connected with one end of a primary coil of the transformer, a collecting electrode of the fourth triode is connected with the other end of the primary coil of the transformer, the other end of the switch is connected with the negative electrode of the battery, one end of a secondary coil of the transformer is connected with one end of the voltage output end, and the other end of the secondary coil of the transformer is connected with the other end of the voltage output end.

In the Internet of things cloud platform based on the WEB client, the model of the first diode is S-301T.

In the internet of things cloud platform based on the WEB client, the inverter further comprises a fifth resistor, one end of the fifth resistor is connected with one end of the switch, and the other end of the fifth resistor is connected with the middle node of the primary coil of the transformer.

In the internet of things cloud platform based on the WEB client, the resistance value of the fifth resistor is 36k omega.

In the internet of things cloud platform based on the WEB client, the first triode is a PNP triode.

In the internet of things cloud platform based on the WEB client, the second triode is a PNP triode.

In the internet of things cloud platform based on the WEB client, the third triode is a PNP triode.

In the internet of things cloud platform based on the WEB client, the fourth triode is a PNP triode.

In the internet of things cloud platform based on the WEB client, the wireless communication module is any one or combination of any more of a 5G communication module, a 4G communication module, a Bluetooth module, a WiFi module, a GSM module, a CDMA2000 module, a WCDMA module, a TD-SCDMA module, a Zigbee module and an L oRa module.

The implementation of the Internet of things cloud platform based on the WEB client side has the following beneficial effects: owing to be equipped with detection module, the host processor, the UPS power, wireless communication module, the high in the clouds, backend server and cloud platform WEB client, the dc-to-ac converter includes first resistance, first triode, first electric capacity, the second resistance, the second triode, the third resistance, the fourth resistance, the third triode, first diode, the fourth triode, the switch, transformer and voltage output end, this dc-to-ac converter compares with the dc-to-ac converter part of traditional UPS power, the components and parts that it used are less, owing to saved some components and parts, can reduce the hardware cost like this, in addition, first diode is used for carrying out current-limiting protection, therefore circuit structure is comparatively simple, the cost is lower, convenient maintenance, the security and the reliability of circuit are higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic circuit diagram of an inverter portion of a conventional UPS;

fig. 2 is a schematic structural diagram of an embodiment of an internet of things cloud platform based on a WEB client according to the present invention;

FIG. 3 is a schematic diagram illustrating the operation of the UPS power supply according to the embodiment;

fig. 4 is a schematic circuit diagram of the inverter in the embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment of the internet of things cloud platform based on the WEB client, a schematic structural diagram of the internet of things cloud platform based on the WEB client is shown in fig. 2. In fig. 2, the internet of things cloud platform based on the WEB client includes a detection module 1, a main processor 2, a UPS power supply 3, a wireless communication module 4, a cloud 5, a background server 6 and a cloud platform WEB client 7, the monitoring module 1 is connected with the main processor 2, the UPS power supply 3 is connected with the main processor 2, the main processor 2 is connected with the cloud 5 through the wireless communication module 4, the cloud 5 is connected with the background server 6, and the main processor 2 is connected with the cloud platform WEB client 7 through the wireless communication module 4. The cloud platform WEB client 7 is installed on a computer.

The wireless communication module 4 transmits the monitoring signal to the cloud end 5, the cloud end data are directly transmitted to the background server 6 to be stored, analyzed and operated, the background server 6 sends the monitoring data value to the cloud platform WEB client 7 to be displayed, and in addition, the main processor 2 can also transmit the monitoring data value to the cloud platform WEB client 7 of the computer of the responsible person through the wireless communication module 4. In other words, the UPS power supply 3 can be monitored in real time by the cloud platform WEB client 7.

In this embodiment, the wireless communication module 4 is any one or a combination of any several of a 5G communication module, a 4G communication module, a bluetooth module, a WiFi module, a GSM module, a CDMA2000 module, a WCDMA module, a TD-SCDMA module, a Zigbee module, and a L oRa module, by setting up a plurality of wireless communication modes, not only can the flexibility of the wireless communication mode be increased, but also the requirements of different users and different occasions can be satisfied.

The detection module 1 comprises a leakage mutual inductor and a temperature sensor, the leakage condition and the temperature value are monitored, the main processor 2 is provided with an alarm module, and the alarm module adopts a buzzer and an indicator lamp. The abnormal operation or the approximate abnormality (such as electric leakage and over-standard temperature) can be directly sent to the cloud platform WEB client 7 through the above path for displaying, and meanwhile, local safety monitoring responsible persons are directly notified to arrive at the site for processing through means of short messages, WeChat and the like, and the main processor 2 is provided with a buzzer and an indicator lamp for prompting the abnormality.

In addition, the main processor 2 can give an alarm just before the electric operation approaches the critical area, and early warning of fire-fighting hidden dangers is carried out at the earliest time. The mobile terminal of the responsible person is provided with a cloud platform WEB client 7 for displaying the specific data of the field power utilization, and can process and eliminate the alarm on the field.

Fig. 3 is a schematic diagram illustrating an operation state of the UPS power supply in the embodiment, in fig. 3, the UPS power supply 3 includes a charger, a battery, and an inverter, wherein voltage input terminals are respectively connected to one end of the charger and one end of the inverter, the other end of the charger is connected to a positive electrode of the battery, a negative electrode of the battery is connected to the inverter, and the inverter is further connected to a load.

Fig. 4 is a schematic circuit diagram of the inverter of this embodiment, and in fig. 4, the inverter includes a first resistor R1, a first transistor Q1, a first capacitor C1, a second capacitor C2, a second resistor R2, a second transistor Q2, a third resistor R3, a fourth resistor R4, a third transistor Q3, a first diode D1, a fourth transistor Q4, a switch S, a transformer T, and a voltage output Vo, wherein a collector of the first transistor Q1 is connected to one end of the first capacitor C1 and one end of the first resistor R1, another end of the first capacitor C1 is connected to a base of the second transistor Q2, a base of the first transistor Q1 is connected to one end of the second capacitor C2, another end of the first resistor R1 is connected to one end of the second resistor R2, an intermediate node of a primary winding of the transformer T, and one end of the switch S, and another end of the second resistor Q2 is connected to one end of the second capacitor Q2, One end of the third resistor R3 is connected with the base of the third triode Q2, the emitter of the first triode Q1 is respectively connected with the emitter of the second triode Q2, the other end of the third resistor R3 and one end of the fourth resistor R4, an emitting electrode of the third triode Q3, an anode of the battery E and an anode of the first diode D1 are connected, a cathode of the first diode D1 is connected with an emitting electrode of the fourth triode Q4, a collector of the first triode Q1 is connected with the other end of the fourth resistor R4 and a base of the fourth triode Q4 respectively, a collector of the third triode Q3 is connected with one end of a primary coil of the transformer T, a collector of the fourth triode Q4 is connected with the other end of the primary coil of the transformer T, the other end of the switch S is connected with a cathode of the battery E, one end of a secondary coil of the transformer T is connected with one end of the voltage output end Vo, and the other end of the secondary coil of the transformer T is connected with the other end of the voltage output end Vo.

Compared with the inverter part of the traditional UPS in figure 1, the inverter has the advantages of less used components, simpler circuit structure and convenient maintenance, can reduce the hardware cost due to saving some components, and in addition, the first diode D1 is a current-limiting diode and is used for carrying out current-limiting protection on the emitter current of the fourth triode Q4. The current limiting protection principle is as follows: when the emitter current of the fourth triode Q4 is large, the first diode D1 can reduce the emitter current of the fourth triode Q4 to keep the fourth triode Q4 in a normal working state, so that the elements in the circuit are not burnt out due to too large current, and the safety and reliability of the circuit are high. It should be noted that in the present embodiment, the first diode D1 has a model number S-301T. Of course, in practical applications, the first diode D1 may also be another type of diode with the same function.

The working principle of the inverter is as follows: the inverter can be used for 300W internal load electric appliances. A self-excited multi-harmonic oscillator is formed by a first resistor R1, a second resistor R2, a first capacitor C1, a second capacitor C2, a first triode Q1 and a second triode Q2, and excitation currents are provided for a third triode Q3 and a fourth triode Q4. The third resistor R3 and the fourth resistor R4 form a voltage divider to control the input signal amplitude of the third triode Q3 and the fourth triode Q4, and the third resistor R3 and the fourth resistor R4 can also improve the stability of an output tube and avoid vicious circle of sharp increase of the penetrating current of the tube when the temperature rises.

In this embodiment, the first transistor Q1 is a PNP transistor, the second transistor Q2 is a PNP transistor, the third transistor Q3 is a PNP transistor, and the fourth transistor Q4 is a PNP transistor. Certainly, in practical applications, the first transistor Q1, the second transistor Q2, the third transistor Q3, and the fourth transistor Q4 may all adopt NPN transistors, but the circuit structure is also changed accordingly.

In this embodiment, the inverter further includes a fifth resistor R5, one end of the fifth resistor R5 is connected to one end of the switch S, and the other end of the fifth resistor R5 is connected to the intermediate node of the primary winding of the transformer T. The fifth resistor R5 is a current limiting resistor for current limiting protection. The current limiting protection principle is as follows: when the current of the branch in which the fifth resistor R5 is located is large, the current of the branch in which the fifth resistor R5 is located can be reduced by the fifth resistor R5, so that the branch is kept in a normal operating state, and the components in the circuit are not burned out due to the large current, so that the safety and reliability of the circuit are further enhanced. It should be noted that, in the present embodiment, the resistance of the fifth resistor R5 is 36k Ω. Of course, in practical applications, the resistance of the fifth resistor R5 may be adjusted according to specific situations.

In a word, in this embodiment, compared with the inverter part of the conventional UPS power supply, the inverter has fewer used components, a simpler circuit structure and convenience in maintenance, and because some components are saved, the hardware cost can be reduced. In addition, the inverter is provided with the current limiting diode, so that the safety and the reliability of the circuit are high.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The cloud platform of the internet of things based on the WEB client is characterized by comprising a detection module, a main processor, a UPS (uninterrupted Power supply), a wireless communication module, a cloud end, a background server and a cloud platform WEB client, wherein the monitoring module is connected with the main processor; the UPS comprises a charger, a battery and an inverter, wherein a voltage input end is respectively connected with one end of the charger and one end of the inverter, the other end of the charger is connected with the positive electrode of the battery, the negative electrode of the battery is connected with the inverter, and the inverter is also connected with a load;

2. The cloud platform of internet of things based on WEB clients as claimed in claim 1, wherein the first diode is S-301T in model number.

3. The cloud platform of internet of things based on a WEB client according to claim 2, wherein the inverter further includes a fifth resistor, one end of the fifth resistor is connected to one end of the switch, and the other end of the fifth resistor is connected to the intermediate node of the primary coil of the transformer.

4. The cloud platform of internet of things based on a WEB client as claimed in claim 3, wherein the resistance of the fifth resistor is 36k Ω.

5. The cloud platform of internet of things based on WEB clients as claimed in any one of claims 1 to 4, wherein the first triode is a PNP type triode.

6. The cloud platform of internet of things based on WEB clients as claimed in any one of claims 1 to 4, wherein the second triode is a PNP type triode.

7. The cloud platform of internet of things based on WEB clients as claimed in any one of claims 1 to 4, wherein the third triode is a PNP type triode.

8. The cloud platform of internet of things based on WEB clients as claimed in any one of claims 1 to 4, wherein the fourth triode is a PNP type triode.

9. The cloud platform of internet of things based on WEB clients as claimed in any one of claims 1 to 4, wherein the wireless communication module is any one or a combination of any several of a 5G communication module, a 4G communication module, a Bluetooth module, a WiFi module, a GSM module, a CDMA2000 module, a WCDMA module, a TD-SCDMA module, a Zigbee module and an L oRa module.