CN216286347U - Transformer temperature control system - Google Patents
Transformer temperature control system Download PDFInfo
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- CN216286347U CN216286347U CN202123012298.2U CN202123012298U CN216286347U CN 216286347 U CN216286347 U CN 216286347U CN 202123012298 U CN202123012298 U CN 202123012298U CN 216286347 U CN216286347 U CN 216286347U
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- 230000003321 amplification Effects 0.000 claims abstract description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 5
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Abstract
The utility model discloses a transformer temperature control system, which comprises a transformer, a temperature sensor and a temperature controller, wherein the transformer is arranged in the transformer: the device comprises a temperature detection module, an amplification module, a plurality of comparator modules, a plurality of drivers and a plurality of fans; the output end of the temperature detection module is connected with the input end of the amplification module; the output end of the amplifying module is respectively connected with the input ends of the plurality of comparator modules; each comparator module is connected with the input end of one driver; the fan interface of each driver is connected with one fan; the utility model solves the problem that the expansibility of a temperature detection and monitoring module arranged in the existing oil-immersed transformer is not strong.
Description
Technical Field
The utility model relates to the field of transformers, in particular to a transformer temperature control system.
Background
Be provided with temperature detection and monitoring module among the present oil-immersed transformer for detect and control the temperature of the inside environment of oil-immersed transformer, but current temperature detection and monitoring module all control the realization through the controller, if need increase the inside fan quantity of oil-immersed transformer, need change holistic temperature detection and monitoring module, make the operation complicated in the engineering.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the temperature control system for the transformer provided by the utility model solves the problem that the expansibility of a temperature detection and monitoring module arranged in the existing oil-immersed transformer is not strong.
In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that: a transformer temperature control system, comprising disposed within a transformer: the device comprises a temperature detection module, an amplification module, a plurality of comparator modules, a plurality of drivers and a plurality of fans;
the output end of the temperature detection module is connected with the input end of the amplification module; the output end of the amplifying module is respectively connected with the input ends of the plurality of comparator modules; each comparator module is connected with the input end of one driver; the fan interface of each of the drives is connected to one of the fans.
Further, the temperature detection module includes: a temperature sensor RT, a resistor R1, a grounding resistor R2 and a grounding resistor R3;
one end of the temperature sensor RT is connected with one end of the resistor R1 and is used as a power supply end of the temperature detection module; the other end of the temperature sensor RT is connected with a grounding resistor R2 and is used as a first output end of the temperature detection module; the other end of the resistor R1 is connected with a grounding resistor R3 and is used as a second output end of the temperature detection module.
Further, the amplification module includes: a resistor R4, a resistor R5, a grounding resistor R6, a resistor R7, a resistor R8 and an amplifier A1;
one end of the resistor R5 is used as a first input end of the amplifying module and is connected with a first output end of the temperature detection module; one end of the resistor R4 is used as a second input end of the amplifying module and is connected with a second output end of the temperature detection module; the non-inverting input end of the amplifier A1 is respectively connected with the other end of the resistor R5 and the grounding resistor R6, the inverting input end of the amplifier A1 is respectively connected with the other end of the resistor R4 and one end of the resistor R7, and the output end of the amplifier A1 is respectively connected with the other end of the resistor R7 and one end of the resistor R8; the other end of the resistor R8 is used as the output end of the amplifying module.
Further, the comparator module includes: a grounding resistor R10, a resistor R9, a comparator A2 and a resistor R11;
the positive phase input end of the comparator A2 is used as the input end of the amplifying module, the negative phase input end of the comparator A2 is respectively connected with one end of a resistor R9 and a grounding resistor R10, and the output end of the comparator A2 is connected with one end of a resistor R11; the other end of the resistor R9 is used as a power supply end of the comparator module; the other end of the resistor R11 is used as the output end of the comparator module.
Further, the ratio of the resistance value of the ground resistor R10 to the resistance value of the resistor R9 in each comparator module is different.
Further, the driver includes: the transistor Q1, the resistor R12, the resistor R13, the PMOS tube M1 and the relay RL 1;
the base electrode of the triode Q1 is used as the input end of the driver, the emitter electrode of the triode Q1 is grounded, and the collector electrode of the triode Q1 is connected with one end of the resistor R12; the other end of the resistor R12 is respectively connected with one end of a resistor R13 and the grid electrode of the PMOS transistor M1; the source electrode of the PMOS tube M1 is connected with the other end of the resistor R13 and is used as the power supply end of the driver; the drain electrode of the PMOS pipe M1 is connected with one end of an electromagnet of a relay RL 1; the other end of the relay RL1 electromagnet is grounded; and one side of a switch of the relay RL1 is connected with the fan interface.
Further, the driver includes: a triode Q2, a resistor R14 and a relay RL 2;
the base electrode of the triode Q2 is used as the input end of the driver, the emitter electrode of the triode Q2 is connected with one end of the electromagnet of the relay RL2, and the collector electrode of the triode Q2 is connected with one end of the resistor R14;
the other end of the resistor R14 is used as a power supply end of the driver; the other end of the relay RL2 electromagnet is grounded; and one side of a switch of the relay RL2 is connected with the fan interface.
Further, the alarm device further comprises a plurality of alarm devices, and each alarm device is connected with the driver.
The utility model has the beneficial effects that: the transformer temperature control system is provided with a plurality of comparator modules, a plurality of drivers and a plurality of fans, wherein 1 fan, 1 comparator module and 1 driver form a group of fan driving units; because the specific values of the resistor R10 and the resistor R9 of each comparator module are different, which is equivalent to different thresholds of each comparator module, when the temperature is different, part of the comparator modules output high levels, and part of the comparator modules output low levels, so that the following drivers are controlled, the corresponding fans work, different numbers of fans are driven by different temperature values, and the comparator modules, the drivers and the fans can be expanded according to requirements according to the temperature in different transformers, circuits do not need to be redesigned, and the strong expansibility of the temperature control system is realized.
Drawings
FIG. 1 is a system block diagram of a transformer temperature control system;
FIG. 2 is a circuit diagram of a temperature detection module and an amplification module;
FIG. 3 is a circuit diagram of a comparator module;
fig. 4 is a circuit diagram of a driver of embodiment 1;
fig. 5 is a circuit diagram of a driver of embodiment 2.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all matters produced by the utility model using the inventive concept are protected.
As shown in fig. 1, a temperature control system for a transformer includes: the device comprises a temperature detection module, an amplification module, a plurality of comparator modules, a plurality of drivers and a plurality of fans;
the output end of the temperature detection module is connected with the input end of the amplification module; the output end of the amplifying module is respectively connected with the input ends of the plurality of comparator modules; each comparator module is connected with the input end of one driver; the fan interface of each of the drives is connected to one of the fans.
As shown in fig. 2, the temperature detection module includes: a temperature sensor RT, a resistor R1, a grounding resistor R2 and a grounding resistor R3;
one end of the temperature sensor RT is connected with one end of the resistor R1 and is used as a power supply end of the temperature detection module; the other end of the temperature sensor RT is connected with a grounding resistor R2 and is used as a first output end of the temperature detection module; the other end of the resistor R1 is connected with a grounding resistor R3 and is used as a second output end of the temperature detection module.
As shown in fig. 2, the amplifying module includes: a resistor R4, a resistor R5, a grounding resistor R6, a resistor R7, a resistor R8 and an amplifier A1;
one end of the resistor R5 is used as a first input end of the amplifying module and is connected with a first output end of the temperature detection module; one end of the resistor R4 is used as a second input end of the amplifying module and is connected with a second output end of the temperature detection module; the non-inverting input end of the amplifier A1 is respectively connected with the other end of the resistor R5 and the grounding resistor R6, the inverting input end of the amplifier A1 is respectively connected with the other end of the resistor R4 and one end of the resistor R7, and the output end of the amplifier A1 is respectively connected with the other end of the resistor R7 and one end of the resistor R8; the other end of the resistor R8 is used as the output end of the amplifying module.
As shown in fig. 3, the comparator module includes: a grounding resistor R10, a resistor R9, a comparator A2 and a resistor R11;
the positive phase input end of the comparator A2 is used as the input end of the amplifying module, the negative phase input end of the comparator A2 is respectively connected with one end of a resistor R9 and a grounding resistor R10, and the output end of the comparator A2 is connected with one end of a resistor R11; the other end of the resistor R9 is used as a power supply end of the comparator module; the other end of the resistor R11 is used as the output end of the comparator module.
The ratio of the resistance of the ground resistor R10 to the resistance of the resistor R9 in each comparator module is different.
The comparator module can set up a plurality ofly according to the demand, mainly according to the power of transformer, and the height of temperature, the comparator module needs to set up more in the transformer that the temperature is high and the power is big, the resistance R10 of every comparator module and resistance R9's ratio all are different, the threshold that is equivalent to every comparator module is different, therefore, when different temperatures, there is some comparator modules to export the high level, there is some comparator modules to export the low level, the comparator module of output high level drives the driver that follows behind it, thereby realize according to different temperature values, drive the purpose that different fans cooled down.
As shown in fig. 4, embodiment 1, the driver includes: the transistor Q1, the resistor R12, the resistor R13, the PMOS tube M1 and the relay RL 1;
the base electrode of the triode Q1 is used as the input end of the driver, the emitter electrode of the triode Q1 is grounded, and the collector electrode of the triode Q1 is connected with one end of the resistor R12; the other end of the resistor R12 is respectively connected with one end of a resistor R13 and the grid electrode of the PMOS transistor M1; the source electrode of the PMOS tube M1 is connected with the other end of the resistor R13 and is used as the power supply end of the driver; the drain electrode of the PMOS pipe M1 is connected with one end of an electromagnet of a relay RL 1; the other end of the relay RL1 electromagnet is grounded; and one side of a switch of the relay RL1 is connected with the fan interface.
As shown in fig. 5, embodiment 2, the driver includes: a triode Q2, a resistor R14 and a relay RL 2;
the base electrode of the triode Q2 is used as the input end of the driver, the emitter electrode of the triode Q2 is connected with one end of the electromagnet of the relay RL2, and the collector electrode of the triode Q2 is connected with one end of the resistor R14;
the other end of the resistor R14 is used as a power supply end of the driver; the other end of the relay RL2 electromagnet is grounded; and one side of a switch of the relay RL2 is connected with the fan interface.
In embodiment 2, the transistor Q2 is used to drive the relay RL2, so that the switch side of the relay RL2 is closed, and the fan is rotated.
The system also includes a plurality of alarms, each of which is connected to the driver. The alarm may include: light warning, audio alert and bee calling organ report to the police etc. correspond switch one side of switching on the relay with alarm lamp, audio alert module or bee calling organ, and when the switch of relay was closed, alarm lamp, audio alert module or bee calling organ can send corresponding alarm signal to make outside personnel know the inside temperature condition of transformer.
Claims (8)
1. The utility model provides a transformer temperature control system which characterized in that, including setting up in the transformer: the device comprises a temperature detection module, an amplification module, a plurality of comparator modules, a plurality of drivers and a plurality of fans;
the output end of the temperature detection module is connected with the input end of the amplification module; the output end of the amplifying module is respectively connected with the input ends of the plurality of comparator modules; each comparator module is connected with the input end of one driver; the fan interface of each of the drives is connected to one of the fans.
2. The transformer temperature control system of claim 1, wherein the temperature detection module comprises: a temperature sensor RT, a resistor R1, a grounding resistor R2 and a grounding resistor R3;
one end of the temperature sensor RT is connected with one end of the resistor R1 and is used as a power supply end of the temperature detection module; the other end of the temperature sensor RT is connected with a grounding resistor R2 and is used as a first output end of the temperature detection module; the other end of the resistor R1 is connected with a grounding resistor R3 and is used as a second output end of the temperature detection module.
3. The transformer temperature control system of claim 2, wherein the amplification module comprises: a resistor R4, a resistor R5, a grounding resistor R6, a resistor R7, a resistor R8 and an amplifier A1;
one end of the resistor R5 is used as a first input end of the amplifying module and is connected with a first output end of the temperature detection module; one end of the resistor R4 is used as a second input end of the amplifying module and is connected with a second output end of the temperature detection module; the non-inverting input end of the amplifier A1 is respectively connected with the other end of the resistor R5 and the grounding resistor R6, the inverting input end of the amplifier A1 is respectively connected with the other end of the resistor R4 and one end of the resistor R7, and the output end of the amplifier A1 is respectively connected with the other end of the resistor R7 and one end of the resistor R8; the other end of the resistor R8 is used as the output end of the amplifying module.
4. The transformer temperature control system of claim 1, wherein the comparator module comprises: a grounding resistor R10, a resistor R9, a comparator A2 and a resistor R11;
the positive phase input end of the comparator A2 is used as the input end of the amplifying module, the negative phase input end of the comparator A2 is respectively connected with one end of a resistor R9 and a grounding resistor R10, and the output end of the comparator A2 is connected with one end of a resistor R11; the other end of the resistor R9 is used as a power supply end of the comparator module; the other end of the resistor R11 is used as the output end of the comparator module.
5. The transformer temperature control system according to claim 4, wherein the ratio of the resistance of the ground resistor R10 to the resistance of the resistor R9 in each comparator module is different.
6. The transformer temperature control system of claim 1, wherein the driver comprises: the transistor Q1, the resistor R12, the resistor R13, the PMOS tube M1 and the relay RL 1;
the base electrode of the triode Q1 is used as the input end of the driver, the emitter electrode of the triode Q1 is grounded, and the collector electrode of the triode Q1 is connected with one end of the resistor R12; the other end of the resistor R12 is respectively connected with one end of a resistor R13 and the grid electrode of the PMOS transistor M1; the source electrode of the PMOS tube M1 is connected with the other end of the resistor R13 and is used as the power supply end of the driver; the drain electrode of the PMOS pipe M1 is connected with one end of an electromagnet of a relay RL 1; the other end of the relay RL1 electromagnet is grounded; and one side of a switch of the relay RL1 is connected with the fan interface.
7. The transformer temperature control system of claim 1, wherein the driver comprises: a triode Q2, a resistor R14 and a relay RL 2;
the base electrode of the triode Q2 is used as the input end of the driver, the emitter electrode of the triode Q2 is connected with one end of the electromagnet of the relay RL2, and the collector electrode of the triode Q2 is connected with one end of the resistor R14; the other end of the resistor R14 is used as a power supply end of the driver; the other end of the relay RL2 electromagnet is grounded; and one side of a switch of the relay RL2 is connected with the fan interface.
8. The transformer temperature control system of claim 1, further comprising a plurality of alarms, each alarm being connected to a driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123012298.2U CN216286347U (en) | 2021-12-02 | 2021-12-02 | Transformer temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123012298.2U CN216286347U (en) | 2021-12-02 | 2021-12-02 | Transformer temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216286347U true CN216286347U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123012298.2U Active CN216286347U (en) | 2021-12-02 | 2021-12-02 | Transformer temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216286347U (en) |
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2021
- 2021-12-02 CN CN202123012298.2U patent/CN216286347U/en active Active
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 611430 No. 998, Xinghua fifth road, Xinjin District, Chengdu, Sichuan (Industrial Park) Patentee after: Sichuan Zhongxin General Electric Energy Co.,Ltd. Country or region after: China Address before: 611430 No. 998, Xinghua fifth road, Xinjin District, Chengdu, Sichuan (Industrial Park) Patentee before: Sichuan Zhongxin General Electric Power Co.,Ltd. Country or region before: China |