CN220708579U - Heating monitoring device of box-type substation - Google Patents
Heating monitoring device of box-type substation Download PDFInfo
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- CN220708579U CN220708579U CN202322037253.3U CN202322037253U CN220708579U CN 220708579 U CN220708579 U CN 220708579U CN 202322037253 U CN202322037253 U CN 202322037253U CN 220708579 U CN220708579 U CN 220708579U
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- relay
- box
- power supply
- temperature controller
- alarm device
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 17
- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of box-type substations, in particular to a heating monitoring device of a box-type substation, which comprises: the temperature controller comprises a power supply, a relay, a thermistor, a temperature controller and an alarm device; the positive electrode of the power supply is connected with the thermistor and the temperature controller in series and then is connected with one end of a coil wiring of the relay, and the other end of the coil wiring of the relay is connected with the negative electrode of the power supply; the positive electrode of the power supply is also connected with the public contact of the relay, the normally open contact of the relay is connected with the voltage input end of the alarm device, and the voltage output end of the alarm device is connected with the negative electrode of the power supply; the thermistor is arranged at a binding post of a transformer in the box-type transformer substation and used for detecting temperature. The utility model realizes the real-time monitoring of overheat and partial discharge in the box-type transformer substation.
Description
Technical Field
The utility model relates to the field of box-type substations, in particular to a heating monitoring device of a box-type substation.
Background
After the box-type transformer station is used for a long time, the secondary wiring column can rise in temperature due to heating; when the three currents on the load side are unbalanced or the contact area of the connecting part is too small, poor contact or oxidation of the contact is caused, the contact resistance of the contact on the low-voltage side is increased, heating is increased, and the device is burnt;
aiming at the operation faults of the box-type transformer substation, the existing mode is that operators adopt an infrared thermometer to measure binding posts of a transformer in the box-type transformer substation one by one on site, whether the binding posts are overheated or not can be found, the workload of the detection mode is extremely large, the overheating of the binding posts is found by delay, and the monitoring cannot be performed in time.
Disclosure of Invention
The utility model aims to provide a heating monitoring device of a box-type transformer substation, which realizes real-time monitoring of overheating and partial discharge in the box-type transformer substation.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a heating monitoring device of a box-type substation, comprising:
the temperature controller comprises a power supply, a relay, a thermistor, a temperature controller and an alarm device;
the positive electrode of the power supply is connected with the thermistor and the temperature controller in series and then is connected with one end of a coil wiring of the relay, and the other end of the coil wiring of the relay is connected with the negative electrode of the power supply;
the positive electrode of the power supply is also connected with the public contact of the relay, the normally open contact of the relay is connected with the voltage input end of the alarm device, and the voltage output end of the alarm device is connected with the negative electrode of the power supply;
the thermistor is arranged at a binding post of a transformer in the box-type transformer substation;
when the temperature detected by the thermistor does not exceed a preset threshold, the temperature controller is not closed, the relay is not electrified, and the power supply is disconnected with the alarm device;
when the temperature detected by the thermistor exceeds a preset threshold, the temperature controller is closed, the relay is electrified, the power supply is connected with the alarm device, and the alarm device alarms.
Further, the temperature controller adopts a normally open temperature controller, and is powered off when the temperature does not exceed the preset temperature control temperature, and the power-on work is started when the temperature exceeds the preset temperature control temperature.
Further, the temperature controller adopts a button type temperature controller switch with the model of KSD301 manufactured by the New September company.
Further, the relay is a Sonchuan relay, and the model is 822E.
Further, the alarm device comprises a buzzer and an alarm indicator lamp.
Further, the alarm device also comprises a wireless communication device for communicating alarm data with a remote monitoring center.
Further, the alarm device adopts a GSM module; the GSM module is a GSM eight-loop remote short message alarm module of Shenzhen electric science and technology company; when the module obtains the voltage signal, the pre-stored corresponding port information is sent to the pre-stored mobile phone number, and the use is simple and convenient; the module is simple and convenient to set, and the called number and the short message content of each loop can be edited by directly sending the short message to the module without operating computer equipment.
The utility model has the following beneficial effects:
1. the utility model provides a heating monitoring device, which is used for effectively monitoring the heating process of a binding post of a transformer in a box-type transformer substation and accurately sending out an alarm signal in real time; the operation and maintenance personnel can detect whether the binding post heats or not by observing the alarm indicator lamp or the beeping sound, so that the burning loss of the binding post is effectively prevented;
2. all devices in the utility model are provided with working voltage by the same power supply, and the structure is simple.
3. The alarm device also comprises a GSM module, the GSM module sends alarm information to the monitoring station, and an operation and maintenance person knows which position generates heat through the alarm information and can go to the site for processing at the first time, so that the repair person does not need to check the temperature of the binding post by himself, the labor intensity of the repair person is reduced, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
description of the drawings: 1. a power supply; 2. a relay; 3. a thermistor; 4. a temperature controller; 5. and an alarm device.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the present utility model is a heating monitoring device of a box-type substation, comprising: a power supply 1, a relay 2, a thermistor 3, a temperature controller 4 and an alarm device 5;
the positive electrode of the power supply 1 is connected with the thermistor 3 and the temperature controller 4 in series and then connected with one end of a coil wiring of the relay 2, and the other end of the coil wiring of the relay 2 is connected with the negative electrode of the power supply 1;
the positive electrode of the power supply 1 is also connected with the public contact a of the relay 2, the normally open contact b of the relay 2 is connected with the voltage input end of the alarm device 5, and the voltage output end of the alarm device 5 is connected with the negative electrode of the power supply 1;
the thermistor 3 is arranged at a binding post of a transformer in the box-type substation;
when the temperature detected by the thermistor 3 does not exceed a preset threshold value, the temperature controller 4 is not closed, the relay 2 is not electrified, the normally closed contact c of the relay 2 is suspended, and the power supply 1 is disconnected with the alarm device 5;
when the temperature detected by the thermistor 3 exceeds a preset threshold, the temperature controller 4 is closed, the relay 2 is electrified, and the coil of the relay 2 is attracted, so that the common contact a and the normally open contact b of the relay 2 are connected, the power supply 1 is connected with the alarm device 5, and the alarm device 5 alarms.
In the embodiment, the temperature controller 4 adopts a normally open temperature controller, and is powered off when the temperature does not exceed the preset temperature control temperature, and the power-on work is started when the temperature exceeds the preset temperature control temperature; the temperature controller 4 is a button type temperature controller switch of model KSD301 manufactured by NodeB corporation.
In this embodiment, the relay 2 is a Sonchi relay 2, and the model is 822E, which has small volume and large control current.
In this embodiment, the alarm device 5 includes a buzzer and an alarm indicator light. The alarm device 5 further comprises a wireless communication device for communicating alarm data with a remote monitoring center, in this embodiment a GSM module is used as the wireless communication device.
The utility model is not related in part to the same or implemented in part by the prior art.
The foregoing is a further detailed description of the utility model in connection with specific embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides a monitoring devices that generates heat of box-type substation which characterized in that: comprising
The temperature controller comprises a power supply, a relay, a thermistor, a temperature controller and an alarm device;
the positive electrode of the power supply is connected with the thermistor and the temperature controller in series and then is connected with one end of a coil wiring of the relay, and the other end of the coil wiring of the relay is connected with the negative electrode of the power supply;
the positive electrode of the power supply is also connected with the public contact of the relay, the normally open contact of the relay is connected with the voltage input end of the alarm device, and the voltage output end of the alarm device is connected with the negative electrode of the power supply;
the thermistor is arranged at a binding post of a transformer in the box-type transformer substation;
when the temperature detected by the thermistor does not exceed a preset threshold, the temperature controller is not closed, the relay is not electrified, and the power supply is disconnected with the alarm device;
when the temperature detected by the thermistor exceeds a preset threshold, the temperature controller is closed, the relay is electrified, the power supply is connected with the alarm device, and the alarm device alarms.
2. The heating monitoring device of a box-type substation according to claim 1, wherein: the temperature controller adopts a normally open temperature controller.
3. The heating monitoring device of a box-type substation according to claim 2, wherein: the temperature controller adopts a button type temperature controller switch with the model of KSD301 manufactured by the New September company.
4. The heating monitoring device of a box-type substation according to claim 1, wherein: the relay adopts a Sonchuan relay, and the model is 822E.
5. The heating monitoring device of a box-type substation according to claim 1, wherein: the alarm device comprises a buzzer and an alarm indicator lamp.
6. The heating monitoring device of a box-type substation according to claim 1, wherein: the alarm device also comprises a wireless communication device which is used for carrying out alarm data communication with a remote monitoring center.
7. The heating monitoring device of a box-type substation according to claim 6, wherein: the alarm device adopts a GSM module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322037253.3U CN220708579U (en) | 2023-07-31 | 2023-07-31 | Heating monitoring device of box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322037253.3U CN220708579U (en) | 2023-07-31 | 2023-07-31 | Heating monitoring device of box-type substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220708579U true CN220708579U (en) | 2024-04-02 |
Family
ID=90442611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322037253.3U Active CN220708579U (en) | 2023-07-31 | 2023-07-31 | Heating monitoring device of box-type substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220708579U (en) |
-
2023
- 2023-07-31 CN CN202322037253.3U patent/CN220708579U/en active Active
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