CN220105577U - Temperature and humidity monitoring and adjusting system of low-voltage switch cabinet - Google Patents
Temperature and humidity monitoring and adjusting system of low-voltage switch cabinet Download PDFInfo
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- CN220105577U CN220105577U CN202321238966.XU CN202321238966U CN220105577U CN 220105577 U CN220105577 U CN 220105577U CN 202321238966 U CN202321238966 U CN 202321238966U CN 220105577 U CN220105577 U CN 220105577U
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- switch cabinet
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 230000000007 visual effect Effects 0.000 claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007791 dehumidification Methods 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a temperature and humidity monitoring and adjusting system of a low-voltage switch cabinet, which comprises a single chip microcomputer, a temperature and humidity sensor, a relay, an audible and visual alarm, a power module, a dehumidifying unit and a ventilating unit, wherein the temperature and humidity sensor is used for collecting temperature and humidity data in the low-voltage switch cabinet and transmitting the data to the single chip microcomputer through a ZigBee communication module, the relay is connected with the single chip microcomputer, and when the temperature and humidity data monitored by the temperature and humidity sensor are over-limited, the single chip microcomputer controls a circuit breaker through a relay output loop, and the circuit breaker trips and is disconnected. The temperature and humidity monitoring system is acquired, transmitted and processed through the temperature and humidity sensor, the ZigBee communication module and the singlechip, can give an alarm, can regulate the temperature and humidity in the low-voltage switch cabinet through the dehumidifying unit and the ventilation unit, can timely power off through the relay output loop control circuit breaker, avoids more serious accidents, has simple and reasonable structural design, is convenient and quick to use, and has strong practicability.
Description
Technical Field
The utility model relates to the field of power equipment, in particular to a temperature and humidity monitoring and adjusting system of a low-voltage switch cabinet.
Background
The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, and is used for power transmission, power distribution and electric energy conversion. The low-voltage switch cabinet is one of the most important equipment in the power supply link in the power grid construction, and provides important guarantee conditions for whether a main equipment transformer running in a power system runs safely and stably.
Because of the influence of ambient temperature and humidity, flashover accidents, namely insulation accidents, often occur to low-voltage switch cabinet equipment, so that the power equipment is damaged, and even the whole complete equipment is destroyed. In order to ensure the safe operation of the power equipment, certain protection measures are required to be taken for the low-voltage switch cabinet, wherein the protection measures comprise monitoring and regulating the temperature and the humidity inside the switch cabinet.
Disclosure of Invention
The utility model aims to provide a temperature and humidity monitoring and adjusting system for a low-voltage switch cabinet, which can be used for rapidly monitoring and adjusting the temperature and humidity of the low-voltage switch cabinet.
In order to achieve the above purpose, the present utility model proposes the following technical scheme: a low voltage switchgear temperature and humidity monitoring and regulating system, comprising:
a single chip microcomputer;
the temperature and humidity sensor is used for acquiring temperature and humidity data in the low-voltage switch cabinet, is connected with the single chip microcomputer and transmits the data to the single chip microcomputer through the ZigBee communication module;
the relay is connected with the singlechip, and when the temperature and humidity data monitored by the temperature and humidity sensor exceeds the limit, the singlechip controls the circuit breaker through the relay output loop, so that a tripping coil of the circuit breaker is electrified, and the circuit breaker trips and breaks;
the audible and visual alarm is connected with the singlechip and is used for alarming;
the dehumidification unit is connected with the singlechip and used for reducing the humidity in the low-voltage switch cabinet;
the ventilation unit is connected with the singlechip and used for reducing the temperature in the low-voltage switch cabinet;
and the power supply module is used for supplying power to the power utilization.
Further, in the utility model, the temperature and humidity sensor is a DHT11 digital temperature and humidity sensor.
Further, in the utility model, the model of the singlechip is stm32f10x.
Furthermore, in the utility model, the dehumidifying unit is a dehumidifier, the type of the dehumidifier is ZRB-E60, a semiconductor refrigeration dehumidifying mode is adopted, moist air in the low-voltage switch cabinet space is actively sucked into the dehumidifying air duct under the action of the fan, water vapor in the air is condensed into water after passing through the semiconductor refrigeration mechanism, and the water vapor is discharged out of the cabinet body through the water guide pipe, so that a good dehumidifying effect can be achieved.
Further, in the present utility model, the ventilation unit is a heat dissipation fan.
Further, in the utility model, the DHT11 digital temperature and humidity sensor, the dehumidifier and the cooling fan are all arranged in the cabinet body, the audible and visual alarm is arranged outside the cabinet body, the cabinet body is provided with a vent hole, and the cabinet body is provided with a drain pipe.
Further, in the utility model, the front side of the cabinet body is provided with the opening and closing door and the isolating knife, and the opening and closing door is provided with the observation window and the mechanical lock.
The beneficial effects are that the technical scheme of the utility model has the following technical effects:
the temperature and humidity monitoring system is acquired, transmitted and processed through the temperature and humidity sensor, the ZigBee communication module and the singlechip, can give an alarm, can regulate the temperature and humidity in the low-voltage switch cabinet through the dehumidifying unit and the ventilation unit, can timely power off through the relay output loop control circuit breaker, avoids more serious accidents, has simple and reasonable structural design, is convenient and quick to use, and has strong practicability.
It should be understood that all combinations of the foregoing concepts, as well as additional concepts described in more detail below, may be considered a part of the inventive subject matter of the present disclosure as long as such concepts are not mutually inconsistent.
The foregoing and other aspects, embodiments, and features of the present teachings will be more fully understood from the following description, taken together with the accompanying drawings. Other additional aspects of the utility model, such as features and/or advantages of the exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the embodiments according to the teachings of the utility model.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the system of the present utility model.
FIG. 2 is a schematic view of the structural installation of the present utility model.
Fig. 3 is a schematic circuit diagram of the temperature and humidity sensor of the present utility model.
Fig. 4 is a schematic diagram of the full-photoelectric isolation of the relay of the present utility model.
In the drawings, the meanings of the reference numerals are as follows: 1. a cabinet body; 2. an opening/closing door; 3. a mechanical lock; 4. an observation window; 5. an isolation knife; 6. DHT11 digital temperature and humidity sensor; 7. an audible and visual alarm; 8. a dehumidifier; 9. a heat radiation fan.
Detailed Description
For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings. Aspects of the utility model are described in this disclosure with reference to the drawings, in which are shown a number of illustrative embodiments. The embodiments of the present disclosure need not be defined to include all aspects of the present utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, may be implemented in any of a number of ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the disclosure may be used alone or in any suitable combination with other aspects of the disclosure.
As shown in fig. 1-2, this embodiment provides a temperature and humidity monitoring and adjusting system of a low-voltage switch cabinet, the low-voltage switch cabinet includes a cabinet body 1, an opening and closing door 2 and an isolation knife 5 are arranged on the front side of the cabinet body 1, and an observation window 4 and a mechanical lock 3 are arranged on the opening and closing door 2.
The temperature and humidity monitoring and adjusting system comprises a singlechip, a temperature and humidity sensor, a relay, an audible and visual alarm 7, a power module, a dehumidifying unit and a ventilation unit, wherein the power module supplies power to electricity, and the model of the singlechip is stm32f10x.
The temperature and humidity sensor is used for acquiring temperature and humidity data in the low-voltage switch cabinet, is connected with the single-chip microcomputer, transmits the data to the single-chip microcomputer through the ZigBee communication module, is a DHT11 digital temperature and humidity sensor 6, and is shown in a circuit schematic diagram in FIG. 3;
the relay is connected with the singlechip, and when the temperature and humidity data monitored by the temperature and humidity sensor exceeds the limit, the singlechip controls the circuit breaker through the relay output loop, so that a tripping coil of the circuit breaker is electrified, and the circuit breaker trips and breaks; as shown in the relay full-photoelectric isolation schematic diagram of fig. 4, the circuit plays a role in input-output photoelectric isolation through the photoelectric coupler o_1. K1 is a relay, a relay coil is used as a collector load and is connected between a collector and a positive power supply, when the input is in a low level, a triode is cut off, no current flows through the relay coil, and then the relay is released; in contrast, when an output signal exists, the triode is saturated, the relay coil has a considerable current flowing, the normally open contact is attracted, the loop is switched on, the tripping coil of the circuit breaker is electrified, the circuit breaker trips, the occurrence of fire is prevented in time, and more serious accidents are avoided.
The audible and visual alarm 7 is connected with the singlechip, and the audible and visual alarm 7 is used for alarming;
the dehumidification unit is connected with the singlechip and is used for reducing the humidity in the low-voltage switch cabinet, the dehumidification unit is a dehumidifier 8, the model number of the dehumidifier 8 is ZRB-E60, a semiconductor refrigeration dehumidification mode is adopted, the moist air in the space of the low-voltage switch cabinet is actively sucked into the dehumidification air duct under the action of the fan, water vapor in the air is condensed into water after passing through the semiconductor refrigeration mechanism, and the water vapor is discharged out of the cabinet body through the water guide pipe, so that a good dehumidification effect can be achieved;
the ventilation unit is connected with the singlechip, and the ventilation unit is used for reducing the temperature in the low-voltage switch cabinet, and the ventilation unit is radiator fan 9.
During installation, the DHT11 digital temperature and humidity sensor 6, the dehumidifier 8 and the cooling fan 9 are all installed in the cabinet body 1, the audible and visual alarm 7 is installed outside the cabinet body 1, the cabinet body 1 is provided with vent holes, and the cabinet body 1 is provided with a drain pipe.
When the intelligent cabinet temperature and humidity control device is used, the DHT11 digital temperature and humidity sensor 6 detects temperature and humidity data in the cabinet body 1, when the temperature and humidity data exceeds a set value, the singlechip controls the audible and visual alarm 7 to give an alarm, the singlechip controls the relay output circuit to control the circuit breaker, the circuit breaker can be powered off in time, more serious accidents are avoided, the singlechip restarts the dehumidifier 8 to dehumidify, the humidity is reduced, or the cooling fan 9 is started to cool. And then monitor and adjust low tension switchgear humiture, guaranteed its normal safe use.
Standard parts used in the file of the utility model can be purchased from market, and can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, the control mode is controlled automatically by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the utility model belongs to common general knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.
Claims (7)
1. A temperature and humidity monitoring and adjusting system of a low-voltage switch cabinet is characterized in that: comprising the following steps:
a single chip microcomputer;
the temperature and humidity sensor is used for acquiring temperature and humidity data in the low-voltage switch cabinet, is connected with the single chip microcomputer and transmits the data to the single chip microcomputer through the ZigBee communication module;
the relay is connected with the singlechip, and when the temperature and humidity data monitored by the temperature and humidity sensor exceeds the limit, the singlechip controls the circuit breaker through the relay output loop, so that a tripping coil of the circuit breaker is electrified, and the circuit breaker trips and breaks;
the audible and visual alarm (7), the audible and visual alarm (7) is connected with the singlechip, and the audible and visual alarm (7) is used for alarming;
the dehumidification unit is connected with the singlechip and used for reducing the humidity in the low-voltage switch cabinet;
the ventilation unit is connected with the singlechip and used for reducing the temperature in the low-voltage switch cabinet;
and the power supply module is used for supplying power to the power utilization.
2. The low-voltage switchgear temperature and humidity monitoring and adjusting system according to claim 1, wherein: the temperature and humidity sensor is a DHT11 digital temperature and humidity sensor (6).
3. The low-voltage switchgear temperature and humidity monitoring and adjusting system according to claim 2, wherein: the model of the singlechip is stm32f10x.
4. A low-voltage switchgear temperature and humidity monitoring and regulating system according to claim 3, characterized in that: the dehumidification unit is a dehumidifier (8), the type of the dehumidifier (8) is ZRB-E60, a semiconductor refrigeration dehumidification mode is adopted, moist air in the low-voltage switch cabinet space is actively sucked into the dehumidification air duct under the action of the fan, water vapor in the air is condensed into water after passing through the semiconductor refrigeration mechanism, and the water vapor is discharged out of the cabinet body through the water guide pipe, so that a good dehumidification effect can be achieved.
5. The system for monitoring and regulating the temperature and humidity of a low-voltage switch cabinet according to claim 4, wherein: the ventilation unit is a radiator fan (9).
6. The system for monitoring and regulating the temperature and humidity of a low-voltage switch cabinet according to claim 5, wherein: the DHT11 digital temperature and humidity sensor (6), the dehumidifier (8) and the cooling fan (9) are all installed in the cabinet body (1), the audible-visual annunciator (7) is installed outside the cabinet body (1), the cabinet body (1) is provided with vent holes, and the cabinet body (1) is provided with drain pipes.
7. The system for monitoring and regulating the temperature and humidity of a low-voltage switch cabinet according to claim 6, wherein: the front side of the cabinet body (1) is provided with an opening and closing door (2) and an isolating knife (5), and the opening and closing door (2) is provided with an observation window (4) and a mechanical lock (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238966.XU CN220105577U (en) | 2023-05-22 | 2023-05-22 | Temperature and humidity monitoring and adjusting system of low-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238966.XU CN220105577U (en) | 2023-05-22 | 2023-05-22 | Temperature and humidity monitoring and adjusting system of low-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220105577U true CN220105577U (en) | 2023-11-28 |
Family
ID=88842259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321238966.XU Active CN220105577U (en) | 2023-05-22 | 2023-05-22 | Temperature and humidity monitoring and adjusting system of low-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220105577U (en) |
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2023
- 2023-05-22 CN CN202321238966.XU patent/CN220105577U/en active Active
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