CN215221508U - Automatic cooling device with temperature alarm function for transformer room - Google Patents
Automatic cooling device with temperature alarm function for transformer room Download PDFInfo
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- CN215221508U CN215221508U CN202121560997.8U CN202121560997U CN215221508U CN 215221508 U CN215221508 U CN 215221508U CN 202121560997 U CN202121560997 U CN 202121560997U CN 215221508 U CN215221508 U CN 215221508U
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- temperature
- alarm
- temperature controller
- exhaust fan
- transformer room
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- 238000001816 cooling Methods 0.000 title claims description 22
- 230000000007 visual effect Effects 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims 1
- 230000001934 delay Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an automatic temperature-reducing device with temperature alarm for transformer room, which comprises a temperature controller, a temperature sensor, an alarm and an exhaust fan, wherein the temperature controller is respectively and electrically connected with the temperature sensor, the alarm and the exhaust fan; the temperature controller is connected with a contactor, and an alternating current power supply is connected with the alarm and the exhaust fan in series through a contactor contact; the temperature controller and the alarm are installed in the control box, the control box is installed at the door of the transformer chamber, and the temperature sensor is installed in the transformer chamber and is connected with the temperature controller through a cable. The utility model discloses utilize temperature sensor to measure the indoor temperature of transformer, convey temperature signal to the temperature controller through the cable, the temperature controller detects the judgement to the temperature, when judging that the detection temperature exceeds the preset high temperature value, the temperature controller starts the exhaust fan and ventilates and cool down to start the alarm and report to the police and point out; and when the detected temperature is lower than the preset value, the temperature controller delays for 1 minute to stop the operation of the alarm and the exhaust fan.
Description
Technical Field
The utility model relates to a power supply safety operation technical field of mill, in particular to transformer room temperature warning automatic cooling device.
Background
In the operation process of the existing factory power supply transformer room, polling personnel regularly patrol and examine equipment of the transformer room, when the manual temperature measurement of the polling personnel finds that the temperature in the transformer room exceeds a high temperature value, an exhaust fan needs to be started in time to cool, and the manual regular polling discovery is untimely, so that the temperature in the transformer room is over-temperature, and the safe operation of the transformer is influenced.
According to the search, the Chinese special benefit of the publication number CN206742044U in 2017, 12.12.2017 discloses an automatic control cooling control device for a transformer, which comprises an alarm platform and the like; the temperature detector is connected to the cooling controller through an oil pipe to detect the temperature of the transformer; the cooling controller is connected with the contactor, the contactor is connected with the thermal protector, and the thermal protector is connected with the cooling fan; the cooling controller is connected with the mist making system, the mist making system is connected with the spraying device, and the spraying device is connected with the transformer radiating fin; the cooling controller is connected with the overtemperature alarm; the temperature reduction controller is connected with the alarm platform through the Ethernet, and the alarm platform remotely transmits an alarm signal to the alarm receiving center; the Ethernet, the temperature detector, the contactor, the fog making system and the over-temperature alarm are all connected with the cooling controller. This patent is through carrying out the fog-making of automatic cooling operation to transformer and ambient temperature's detection and spraying, start the cooling fan, start overtemperature prote ware, the function of uploading during the overtemperature, but the device cost is higher, and the indoor real-time temperature of transformer of not being convenient for observe.
Chinese special benefit 2009, 26 th.8 th.2009 of publication No. CN201298177Y discloses an intelligent temperature control device for an integrated automation substation, which comprises a temperature sensor, an alternating current contactor, an analog-to-digital conversion module, a microprocessor and a contactor driving module; the temperature sensor is connected with the analog-to-digital conversion module, the output end of the analog-to-digital conversion module is connected with the data input end of the microprocessor, the microprocessor is connected with the contactor driving module, and the contactor driving module is connected with the alternating current contactor; the main contacts of the alternating current contactor are respectively connected in series with an external alternating current power supply and each phase of power supply circuit of an external load; this patent is through automatic start ventilation unit with control room temperature, but lacks high temperature and reports to the police, also is not convenient for directly look over real-time temperature.
Therefore, the transformer chamber temperature alarming and automatic cooling device is necessary for normal operation of a factory power supply transformer chamber.
Disclosure of Invention
For overcoming the not enough of above-mentioned prior art, the utility model provides an automatic heat sink of transformer room temperature warning aims at solving current patrolling and examining personnel and fails in time to discover transformer room temperature overtemperature, fails in time to open the exhaust fan and cools down, influences the problem of transformer safe operation.
The utility model discloses a realize through following technical scheme:
a temperature alarm automatic cooling device for a transformer room comprises a temperature controller, a temperature sensor, an alarm and an exhaust fan, wherein the temperature controller is respectively and electrically connected with the temperature sensor, the alarm and the exhaust fan; the temperature controller is connected with a contactor, and an alternating current power supply is connected with the alarm and the exhaust fan in series through a contactor contact; the temperature controller and the alarm are installed in the control box, the control box is installed at a door of the transformer room, and the temperature sensor is installed in the transformer room and connected with the temperature controller through a cable.
In the technical scheme, the temperature sensor measures the indoor temperature of the transformer, a temperature signal is transmitted to the temperature controller through a cable, the temperature controller detects and judges the temperature, and when the detected temperature is judged to exceed a preset high temperature value, the temperature controller starts the exhaust fan to ventilate and cool and starts the alarm to give an alarm; and when the detected temperature is lower than the preset value, the temperature controller delays for 1 minute to stop the operation of the alarm and the exhaust fan.
Furthermore, the temperature control instrument is respectively connected to the live wire and the zero line of the alternating current power supply through two circuit breakers. The alternating current power supply is a 220V alternating current power supply.
Further, the temperature controller starts the exhaust fan through the communicating contactor. When the detected temperature exceeds a preset high temperature value, the temperature controller is communicated with the coil of the contactor, and the contact of the contactor is closed to start the exhaust fan for ventilation and cooling.
Furthermore, the alarm is an audible and visual alarm.
Further, the control box is installed on a doorway of the transformer room through a wall.
Further, the outer surface of the control box is provided with a display screen, and the display screen is connected with the temperature controller.
Further, the temperature controller adopts a model WL-C803, and the temperature sensor adopts LSCI0-100 ℃. .
Compared with the prior art, the beneficial effects of the utility model reside in that:
1) the utility model discloses utilize temperature sensor to measure transformer room temperature, convey temperature signal to the temperature controller through the cable, the temperature controller detects the judgement to the temperature, when judging that the detection temperature surpasses and predetermine the high temperature value, the temperature controller starts the exhaust fan and carries out aeration cooling, and start the alarm and report to the police the suggestion, fail in time to discover transformer room temperature overtemperature with solving current patroller, fail in time to open the exhaust fan and cool down, influence the problem of transformer safe operation.
2) The utility model discloses when judging that detection temperature is less than the default, temperature controller postpones 1 minute and stops alarm and exhaust fan operation, avoids the exhaust fan frequently to start, guarantees the high-efficient operation of equipment, extension exhaust fan life.
Drawings
Fig. 1 is a schematic diagram of an automatic temperature reducing device for transformer room temperature alarm according to the embodiment of the present invention.
In the figure: 1. a control box; 2. a circuit breaker; 3. a temperature controller; 4. a temperature sensor; 5. a contactor; 6. an alarm; 7. an exhaust fan.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
The embodiment provides an automatic temperature reducing device with a transformer room temperature alarm, which is shown in fig. 1. The control loop of the device is as follows: the alternating current power supply is connected with a temperature controller 3 through a circuit breaker 1; the temperature sensor 4 is arranged in the transformer chamber and transmits a temperature signal to the temperature controller 3 through a cable; the temperature controller 3 controls the coil of the contactor 5; the alternating current power supply is connected with an audible and visual alarm 6 and an exhaust fan 7 in series through a contact of a contactor 5. When the temperature controller 3 detects that the temperature of the transformer room exceeds a set alarm value, a coil of the contactor 5 is switched on, a contact of the contactor 5 is closed, an exhaust fan 7 is started for cooling, and meanwhile, an audible and visual alarm 6 is started to give an alarm to prompt an operator on duty to check; when the temperature is reduced to be lower than the set high temperature value, the temperature controller 3 delays for 1 minute to stop the operation of the audible and visual alarm 6 and the exhaust fan 7, so that the frequent starting of the exhaust fan is avoided, the efficient operation of the equipment is ensured, and the service life of the exhaust fan is prolonged.
The working principle of the automatic temperature reducing device with the temperature alarm function for the transformer room is as follows: measuring the indoor temperature of the transformer through a temperature sensor 4, transmitting a temperature signal to a temperature controller 3, when the detected temperature exceeds a set high temperature value, switching on a contactor 5 by the temperature controller 3, starting an exhaust fan 7 for ventilation and cooling, and starting an audible and visual alarm 6 for alarm prompt; when the temperature is reduced to be lower than the set high temperature value, the temperature controller 3 delays for 1 minute to stop the audible and visual alarm 6 and the exhaust fan 7.
In this embodiment, the ac power supply is a 220V ac power supply.
In the embodiment, the temperature controller can be selected from WL-C803, and the temperature sensor can be selected from LSCI0-100 ℃.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The transformer room temperature alarming automatic cooling device is characterized by comprising a temperature controller, a temperature sensor, an alarm and an exhaust fan, wherein the temperature controller is respectively and electrically connected with the temperature sensor, the alarm and the exhaust fan; the temperature controller is connected with a contactor, and an alternating current power supply is connected with the alarm and the exhaust fan in series through a contactor contact; the temperature controller and the alarm are installed in the control box, the control box is installed at a door of the transformer room, and the temperature sensor is installed in the transformer room and connected with the temperature controller through a cable.
2. The automatic temperature-reducing device for transformer room temperature alarm according to claim 1, wherein the temperature control instrument is connected to the live line and the neutral line of the ac power supply through two circuit breakers, respectively.
3. The automatic transformer room temperature alarm cooling device according to claim 1, wherein the temperature controller activates the exhaust fan by communicating with the contactor.
4. The automatic temperature-reducing device with the temperature alarm function for the transformer room as claimed in claim 1, wherein the alarm is an audible and visual alarm.
5. The transformer room temperature alarm automatic cooling device according to claim 1, wherein the control box is mounted at a door of the transformer room through a wall.
6. The automatic temperature-reducing device with the temperature alarm function for the transformer room as claimed in claim 1, wherein a display screen is arranged on the outer surface of the control box, and the display screen is connected with a temperature controller.
7. The transformer room temperature alarm automatic cooling device according to claim 1, wherein the temperature controller is model WL-C803, and the temperature sensor is LSCI0-100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121560997.8U CN215221508U (en) | 2021-07-09 | 2021-07-09 | Automatic cooling device with temperature alarm function for transformer room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121560997.8U CN215221508U (en) | 2021-07-09 | 2021-07-09 | Automatic cooling device with temperature alarm function for transformer room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215221508U true CN215221508U (en) | 2021-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121560997.8U Active CN215221508U (en) | 2021-07-09 | 2021-07-09 | Automatic cooling device with temperature alarm function for transformer room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215221508U (en) |
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2021
- 2021-07-09 CN CN202121560997.8U patent/CN215221508U/en active Active
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