CN210983110U - Positive pressure type switch cabinet pressure monitoring and automatic control system - Google Patents
Positive pressure type switch cabinet pressure monitoring and automatic control system Download PDFInfo
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- CN210983110U CN210983110U CN201922174198.6U CN201922174198U CN210983110U CN 210983110 U CN210983110 U CN 210983110U CN 201922174198 U CN201922174198 U CN 201922174198U CN 210983110 U CN210983110 U CN 210983110U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000009467 reduction Effects 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 6
- 230000004044 response Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of positive pressure type cubical switchboard control, especially, relate to a positive pressure type cubical switchboard pressure monitoring and automatic control system. The utility model is connected with a positive pressure switch cabinet by one end of a pressure sensor, the other end of the pressure sensor is connected with a data processing module, and the other end of the data processing module is connected with a microprocessor; the parameter setting panel is connected with the microprocessor, and the instruction input panel is connected with the microprocessor; one end of the microprocessor is connected with the electrical relay A, and the other end of the microprocessor is connected with the pressurizing device; one end of the microprocessor is also connected with an electrical relay B, and one end of the electrical relay B is connected with the voltage reduction device; the parameter display module and the CAN communication module are both connected with the microprocessor, and the other end of the CAN communication module is connected with the monitoring computer. The utility model has the characteristics of simple structure, easy operation can guarantee that cabinet internal pressure is at the setting value within range, has advantages such as response speed is fast, stability is good, the interference killing feature is strong.
Description
Technical Field
The utility model belongs to the technical field of positive pressure type cubical switchboard control, especially, relate to a positive pressure type cubical switchboard pressure monitoring and automatic control system.
Background
The positive pressure switch cabinet seals a circuit breaker, an isolating switch, a power cable, a mutual inductor and the like in a gas shell with higher pressure, greatly improves the reliability and stability of the switch cabinet, and can be used for the application working condition of severe environment. However, due to the long-term operation of the positive voltage type switch cabinet, the pressure drop caused by the gas leakage can seriously affect the performance of the positive voltage type switch cabinet.
Disclosure of Invention
To the problem that exists among the above-mentioned prior art, the utility model provides a positive pressure type cubical switchboard pressure monitoring and automatic control system, its purpose can start pressure device or step-down device in order to realize when the skew safe value scope of the internal pressure of positive pressure type cubical switchboard, guarantees that cabinet internal pressure is in the setting value within range.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the positive pressure type switch cabinet pressure monitoring and automatic control system is characterized in that one end of a pressure sensor is connected with the positive pressure type switch cabinet, the other end of the pressure sensor is connected with a data processing module, and the other end of the data processing module is connected with a microprocessor; the parameter setting panel is connected with the microprocessor, and the instruction input panel is connected with the microprocessor; one end of the microprocessor is connected with an electrical relay A, and the other end of the electrical relay A is connected with a pressurizing device; one end of the microprocessor is also connected with an electrical relay B, and one end of the electrical relay B is connected with the voltage reduction device; the parameter display module and the CAN communication module are both connected with the microprocessor, and the other end of the CAN communication module is connected with the monitoring computer.
The pressurizing device and the voltage reducing device are positioned inside the positive voltage type switch cabinet.
The testing end of the pressure sensor is connected with the pressure testing part of the positive pressure type switch cabinet, the signal output end of the pressure sensor is connected with the data input end of the data processing module, and the signal output end of the data processing module is connected with the pressure data input end of the microprocessor.
The parameter output end of the parameter setting panel is connected with the parameter data input end of the microprocessor, and the signal output end of the instruction input panel is connected with the control instruction input end of the microprocessor.
The voltage reducing signal output end of the microprocessor is connected with the control signal input end of the electrical relay B, and the output end of the electrical relay B is connected with the control signal input end of the voltage reducing device.
And the signal input end of the parameter display module is connected with the data output end of the microprocessor.
The signal input end of the CAN communication module is connected with the communication signal output end of the microprocessor, and the signal output end of the CAN communication module is connected with the communication interface of the monitoring computer.
The utility model has the advantages and beneficial effects that:
the utility model discloses utilize the internal pressure of pressure sensor real-time supervision positive pressure type cubical switchboard, when the skew safe value scope of pressure, start pressure device or step-down device, guarantee that cabinet internal pressure is in the setting value within range. Has the characteristics of simple structure and easy operation. The system has the advantages of high response speed, good stability, strong anti-interference capability and the like, and can provide powerful technical support for the development of positive voltage type electrical equipment.
Drawings
To facilitate understanding and implementing the present invention by those of ordinary skill in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments, which are used to illustrate the present invention and should not be construed as limited by the scope of the present invention.
Fig. 1 is the structural schematic diagram of the pressure monitoring and automatic control system of the positive pressure switch cabinet of the utility model.
Detailed Description
The utility model relates to a positive pressure type cubical switchboard pressure monitoring and automatic control system, as shown in FIG. 1, FIG. 1 is the utility model discloses positive pressure type cubical switchboard pressure monitoring and automatic control system schematic structure. The utility model discloses by microprocessor, pressure sensor, data processing module, parameter setting module, instruction input panel, electromagnetic relay A, pressure device, electromagnetic relay B, pressure reduction means, parameter display module, CAN communication module, supervisory control computer.
The testing end of the pressure sensor is connected with the pressure testing part of the positive pressure type switch cabinet, the signal output end of the pressure sensor is connected with the data input end of the data processing module, and the signal output end of the data processing module is connected with the pressure data input end of the microprocessor.
The parameter output end of the parameter setting panel is connected with the parameter data input end of the microprocessor, the signal output end of the instruction input panel is connected with the control instruction input end of the microprocessor, the pressurizing signal output end of the microprocessor is connected with the control signal input end of the electrical relay A, the output end of the electrical relay A is connected with the control signal input end of the pressurizing device, the voltage reducing signal output end of the microprocessor is connected with the control signal input end of the electrical relay B, and the output end of the electrical relay B is connected with the control signal input end of the voltage reducing device; the pressurizing device and the voltage reducing device are positioned in the positive pressure type switch cabinet, the signal input end of the parameter display module is connected with the data output end of the microprocessor, the signal input end of the CAN communication module is connected with the communication signal output end of the microprocessor, and the signal output end of the CAN communication module is connected with the communication interface of the monitoring computer.
The utility model discloses positive pressure type cubical switchboard pressure monitoring includes with automatic control system's working process:
powering on the system, setting system parameters, and waiting for a control instruction of an instruction input panel;
after the system receives the monitoring control instruction, the pressure sensor collects a positive pressure type switch cabinet pressure signal, and the positive pressure type switch cabinet pressure signal is processed by the data processing module and then fed back to the microprocessor;
the microprocessor calculates the received processed pressure data and compares the calculated pressure data with a set value; if the pressure is lower than the set lowest pressure value, the pressurizing device is automatically started; if the pressure is higher than the set highest pressure value, the pressure reduction device is automatically started, and the pressure of the positive pressure type switch cabinet is ensured to be within the safety value range.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.
Claims (7)
1. Positive pressure type cubical switchboard pressure monitoring and automatic control system, characterized by: one end of the pressure sensor is connected with the positive pressure type switch cabinet, the other end of the pressure sensor is connected with the data processing module, and the other end of the data processing module is connected with the microprocessor; the parameter setting panel is connected with the microprocessor, and the instruction input panel is connected with the microprocessor; one end of the microprocessor is connected with an electrical relay A, and the other end of the electrical relay A is connected with a pressurizing device; one end of the microprocessor is also connected with an electrical relay B, and one end of the electrical relay B is connected with the voltage reduction device; the parameter display module and the CAN communication module are both connected with the microprocessor, and the other end of the CAN communication module is connected with the monitoring computer.
2. The positive pressure type switch cabinet pressure monitoring and automatic control system according to claim 1, characterized in that: the pressurizing device and the voltage reducing device are positioned inside the positive voltage type switch cabinet.
3. The positive pressure type switch cabinet pressure monitoring and automatic control system according to claim 1, characterized in that: the testing end of the pressure sensor is connected with the pressure testing part of the positive pressure type switch cabinet, the signal output end of the pressure sensor is connected with the data input end of the data processing module, and the signal output end of the data processing module is connected with the pressure data input end of the microprocessor.
4. The positive pressure type switch cabinet pressure monitoring and automatic control system according to claim 1, characterized in that: the parameter output end of the parameter setting panel is connected with the parameter data input end of the microprocessor, and the signal output end of the instruction input panel is connected with the control instruction input end of the microprocessor.
5. The positive pressure type switch cabinet pressure monitoring and automatic control system according to claim 1, characterized in that: the voltage reducing signal output end of the microprocessor is connected with the control signal input end of the electrical relay B, and the output end of the electrical relay B is connected with the control signal input end of the voltage reducing device.
6. The positive pressure type switch cabinet pressure monitoring and automatic control system according to claim 1, characterized in that: and the signal input end of the parameter display module is connected with the data output end of the microprocessor.
7. The positive pressure type switch cabinet pressure monitoring and automatic control system according to claim 1, characterized in that: the signal input end of the CAN communication module is connected with the communication signal output end of the microprocessor, and the signal output end of the CAN communication module is connected with the communication interface of the monitoring computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922174198.6U CN210983110U (en) | 2019-12-07 | 2019-12-07 | Positive pressure type switch cabinet pressure monitoring and automatic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922174198.6U CN210983110U (en) | 2019-12-07 | 2019-12-07 | Positive pressure type switch cabinet pressure monitoring and automatic control system |
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| Publication Number | Publication Date |
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| CN210983110U true CN210983110U (en) | 2020-07-10 |
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| CN201922174198.6U Active CN210983110U (en) | 2019-12-07 | 2019-12-07 | Positive pressure type switch cabinet pressure monitoring and automatic control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111061310A (en) * | 2019-12-07 | 2020-04-24 | 国网辽宁省电力有限公司电力科学研究院 | Positive pressure type switch cabinet pressure monitoring and automatic control system |
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2019
- 2019-12-07 CN CN201922174198.6U patent/CN210983110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111061310A (en) * | 2019-12-07 | 2020-04-24 | 国网辽宁省电力有限公司电力科学研究院 | Positive pressure type switch cabinet pressure monitoring and automatic control system |
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