CN211182834U - Condensation dehumidification device and system of high-voltage switch cabinet - Google Patents
Condensation dehumidification device and system of high-voltage switch cabinet Download PDFInfo
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- CN211182834U CN211182834U CN201921652548.9U CN201921652548U CN211182834U CN 211182834 U CN211182834 U CN 211182834U CN 201921652548 U CN201921652548 U CN 201921652548U CN 211182834 U CN211182834 U CN 211182834U
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Abstract
The utility model provides a high tension switchgear's condensation dehydrating unit and system relates to condensation dehumidification technical field, and this condensation dehydrating unit includes: the device comprises a humidity sensor, a controller and a refrigerator, wherein the humidity sensor and the refrigerator are respectively connected with the controller; the humidity sensor is used for detecting a humidity value in the high-voltage switch cabinet and sending the humidity value to the controller; the controller is used for receiving the humidity value and outputting a control signal corresponding to the humidity value to the refrigerator; the control signal comprises a dehumidification signal or a standby signal; the refrigerator is used for receiving the control signal and executing the operation corresponding to the control signal. The utility model discloses need not the refrigerator and just being in operating condition from starting always, but can let the refrigerator dehumidify or the standby based on the humidity condition of reality, consequently can effectively reduce the energy consumption, improve dehumidification efficiency.
Description
Technical Field
The utility model belongs to the technical field of the condensation dehumidification technique and specifically relates to a condensation dehydrating unit and system of high tension switchgear is related to.
Background
The semiconductor condensation dehumidification technology is based on the thermodynamic principle, namely the Peltier effect to achieve the dehumidification effect, and can also be called as a thermoelectric refrigeration technology or a Peltier refrigeration technology. The working principle is shown in figure 2: direct-current voltage is applied to two ends of a P-N junction of the semiconductor refrigerating device, a refrigerating end and a heating end are respectively formed at the two ends of the P-N junction, and water in cold and wet air in the surrounding environment is exposed when meeting cold and is separated out from the air after saturation, so that the dehumidifying effect is achieved.
The existing semiconductor condensation dehumidifier is always in a working state from the start, cannot adapt to the change of environmental temperature, and has high energy consumption and low dehumidification efficiency.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a condensation dehydrating unit and system of high tension switchgear can reduce the energy consumption, improves dehumidification efficiency.
In a first aspect, an embodiment of the present invention provides a condensation dehumidification device of a high voltage switch cabinet, including: the humidity sensor and the refrigerator are respectively connected with the controller; the humidity sensor is used for detecting a humidity value in the high-voltage switch cabinet and sending the humidity value to the controller; the controller is used for receiving the humidity value and outputting a control signal corresponding to the humidity value to the refrigerator; the control signal comprises a dehumidification signal or a standby signal; the refrigerator is used for receiving the control signal and executing the operation corresponding to the control signal.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, wherein the apparatus further includes a temperature sensor connected to the controller; the temperature sensor is used for detecting a temperature value in the high-voltage switch cabinet and sending the temperature value to the controller; the controller is also configured to transmit the temperature value to the remote terminal.
In combination with the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, wherein the controller includes a logic circuit, the logic circuit is configured to compare a humidity value with a preset humidity threshold, output a dehumidification signal when the humidity value is greater than the humidity threshold, and output a standby signal when the humidity value is less than or equal to the humidity threshold.
In combination with the second possible implementation manner of the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, wherein the controller includes a timer connected to the logic circuit, and the timer is configured to set a time interval between two comparisons of the humidity value and the humidity threshold value by the logic circuit.
In combination with the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, wherein the fourth possible implementation manner further includes a drainage system, and the drainage system is connected to the refrigerator, and is used for draining condensed water generated by the refrigerator.
In combination with the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the high-voltage switch cabinet further includes a fan connected to the controller, and the fan is used to exhaust air in the high-voltage switch cabinet.
In combination with the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, where the embodiment further includes a human-computer interaction terminal connected to the controller.
With reference to the first aspect and any one of the possible implementation manners of the first aspect, an embodiment of the present invention provides a seventh possible implementation manner of the first aspect, wherein the condensation dehumidification device is a semiconductor condensation dehumidification device.
In a second aspect, an embodiment of the present invention provides a condensation dehumidification system of a high voltage switch cabinet, including a condensation dehumidification device of the high voltage switch cabinet provided by any one of the possible embodiments of the first aspect, further including a remote terminal connected with the condensation dehumidification device.
In combination with the second aspect, an embodiment of the present invention provides a first possible implementation manner of the second aspect, wherein the remote terminal includes a mobile terminal or an upper computer.
The utility model provides a condensation dehumidification device and a system of a high-voltage switch cabinet, wherein the condensation dehumidification device comprises a humidity sensor, a controller and a refrigerator, and the humidity sensor and the refrigerator are respectively connected with the controller; the humidity sensor is used for detecting a humidity value in the high-voltage switch cabinet and sending the humidity value to the controller; the controller is used for receiving the humidity value and outputting a control signal corresponding to the humidity value to the refrigerator; the control signal comprises a dehumidification signal or a standby signal; the refrigerator is used for receiving the control signal and executing the operation corresponding to the control signal. A humidity sensor is arranged in the condensation dehumidifying device, and the controller can control the refrigerator to dehumidify or stand by based on a humidity value detected by the humidity sensor. The mode does not need the refrigerator to be in a working state all the time from the start, but can enable the refrigerator to carry out dehumidification or standby on the basis of the actual humidity condition, thereby effectively reducing energy consumption and improving dehumidification efficiency.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a condensation and dehumidification device of a high voltage switch cabinet according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a semiconductor dehumidification system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another condensation and dehumidification device of a high voltage switch cabinet according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another condensation and dehumidification device of a high voltage switch cabinet according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a condensation dehumidification system of a high voltage switch cabinet according to an embodiment of the present invention.
Icon:
10-a humidity sensor; 20-a controller; 30-a refrigerator; 40-a temperature sensor; 50-a drainage system; 60-a fan; 70-a human-computer interaction end; 80-a communication interface; 90-a remote terminal; 201-logic circuitry; 202-a timer; 300-a condensation dehumidification device; 400-condensation dehumidification system.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Consider that current condensation dehydrating unit just is in operating condition from the start-up always, can not adapt to the ambient temperature change, the energy consumption is high, and dehumidification efficiency is low, and based on this, the embodiment of the utility model provides a high tension switchgear's condensation dehydrating unit and system, this condensation dehydrating unit need not the refrigerator and just is in operating condition from the start-up always, but can let the refrigerator carry out dehumidification or standby based on the humidity condition of reality, consequently can effectively reduce the energy consumption, improves dehumidification efficiency.
For the convenience of understanding the present embodiment, the condensing and dehumidifying device and system of the high voltage switch cabinet disclosed in the embodiments of the present invention will be described in detail first. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Referring to fig. 1, a schematic diagram of a condensation and dehumidification device is shown, which illustrates a condensation and dehumidification device 300 including a humidity sensor 10, a controller 20, and a refrigerator 30; wherein, the humidity sensor 10 and the refrigerator 30 are respectively connected with the controller 20; the humidity sensor 10 is used for detecting a humidity value in the high-voltage switch cabinet and sending the humidity value to the controller 20; the controller 20 is configured to receive the humidity value and output a control signal corresponding to the humidity value to the refrigerator 30; the control signal comprises a dehumidification signal or a standby signal; the refrigerator 30 is configured to receive the control signal and perform an operation corresponding to the control signal.
Further, in a specific application, the controller 20 may be a single chip, and the single chip receives the humidity value from the humidity sensor 10 and outputs a control signal corresponding to the humidity value to the refrigerator 30, so as to control the refrigerator.
Further, in a particular application, refrigerator 30 may be a semiconductor refrigerator that includes two semiconductors of different materials. Referring to fig. 2, the working principle of the semiconductor refrigerator is as follows: and applying direct-current voltage to two ends of the P-N junction of the semiconductor refrigerating device, wherein the temperature of one end is reduced to form a refrigerating end, and the temperature of the other end is increased to form a heating end. When the semiconductor refrigerator works, wet and cold air in the high-voltage switch cabinet meets the refrigerating end of the semiconductor refrigerator, water vapor in the air meets condensation dew to generate accumulated water, and the accumulated water is discharged out of the high-voltage switch cabinet; and then, the condensed air reaches the heating end of the semiconductor refrigerator, absorbs heat and is discharged out of the high-voltage switch cabinet.
The utility model provides an above-mentioned condensation dehydrating unit 300 is equipped with humidity transducer 10, and controller 20 can be based on the humidity value control refrigerator 30 dehumidification or the standby that humidity transducer 10 detected. In this way, the refrigerator 30 does not need to be in the working state all the time from the start, but the refrigerator 30 can be dehumidified or stand-by based on the actual humidity condition, so that the energy consumption can be effectively reduced, and the dehumidification efficiency can be improved. Further, on the basis of fig. 1, the embodiment of the present invention provides a specific condensation dehumidification device of a high voltage switch cabinet, see fig. 3, the condensation dehumidification device 300 further includes: the temperature sensor 40, the fan 60, the man-machine interaction terminal 70 and the communication interface 80 are connected with the controller 20; a water discharge system 50 connected to the refrigerator 30; the controller 20 further includes a logic circuit 201 and a timer 202 connected to the logic circuit 201.
Further, in a specific application, the temperature sensor 40 may detect a temperature value inside the high voltage switch cabinet, and send the temperature value to the controller 20, the controller 20 sends the temperature value to the remote terminal 90, and the remote terminal 90 may send a corresponding control signal to the refrigerator 30 according to the temperature value, where the control signal may be a stop operation signal.
Generally speaking, the condensation dehumidifying device is always in a working operation state after being started, and cannot adapt to the change of the ambient temperature by itself, when the ambient temperature is too high, the condensation dehumidifying device still keeps running, and the chip may be damaged by the continuous operation of the condensation dehumidifying device under the too high temperature, so that the service life of the condensation dehumidifying device is shortened. The embodiment of the utility model provides an above-mentioned condensation dehydrating unit can detect the temperature value in the high tension switchgear to send the remote terminal with the temperature value through the communication interface who is connected with the controller, remote terminal can send the shut down signal to the refrigerator when received temperature value is too high, and the refrigerator is shut down after receiving the shut down signal. Through remote terminal's control, can make condensation dehydrating unit stop operation when ambient temperature is too high, can protect the chip not receive the damage, extension condensation dehydrating unit's life.
Further, in a specific application, the human-computer interaction terminal 70 may include a display and a key, and the key may set a humidity threshold and/or a time interval for the logic circuit 201 to compare the humidity value and the humidity threshold twice, where the time interval includes continuous operation time and stop time of the refrigerator; the display can display the current running state of the device, the humidity value in the high-voltage switch cabinet, the temperature value, the running time and the stop time.
Further, in a specific application, the humidity sensor 10 sends the detected humidity value to the controller 20, the logic circuit 201 in the controller 20 compares the received humidity value with a preset humidity threshold, outputs a dehumidification signal when the humidity value is greater than the humidity threshold, and outputs a standby signal when the humidity value is less than or equal to the humidity threshold; the timer 202 receives the time interval value of comparing the humidity value and the humidity threshold value twice by the logic circuit 201 sent by the human-computer interaction terminal 70, and controls the refrigerator 30 to execute corresponding operations in corresponding time intervals.
Further, in a specific application, the condensing and dehumidifying device 300 adopts a fixed operation time control mode, and the operation process includes:
the human-computer interaction end 70 sets a humidity threshold value, the continuous running time t1 and the stop time t2 of the refrigerator and sends the humidity threshold value, the continuous running time t1 and the stop time t2 to the controller 20;
the humidity sensor 10 detects a humidity value in the high-voltage switch cabinet and sends the detected humidity value to the controller 20;
the logic circuit 201 of the controller 20 compares the received humidity value with a set humidity threshold value, when the humidity value is greater than the humidity threshold value, the controller 20 sends a dehumidification signal to the refrigerator 30, the refrigerator 30 is started, the direct current power supply is switched on, the dehumidification operation is performed, meanwhile, the controller 20 controls the fan 60 to start working, and the timer 202 starts timing;
when the refrigerator 30 operates, the wet and cold air in the high-voltage switch cabinet is fully contacted with the cold end of the refrigerator 30, the water vapor in the air is cooled and condensed, and the condensed water is discharged out of the high-voltage switch cabinet through the drainage system 50; the condensed dry air is pumped into the periphery of the hot end of the refrigerator 30 through the fan 60, absorbs heat and is discharged out of the high-voltage switch cabinet, and meanwhile, the condensed water can be discharged in an accelerated manner;
after the refrigerator 30 continues to operate for a certain time t1, the refrigerator stops operating for a period of time t 2;
the humidity sensor 10 detects the humidity value in the high-voltage switch cabinet again and sends the humidity value to the controller 20;
the logic circuit 201 of the controller 20 compares the received humidity value with the set humidity threshold again, and if the humidity value is greater than the humidity threshold, the controller 20 sends a dehumidification signal to the refrigerator 30 again, and repeats the above operation process; if the humidity value is less than or equal to the humidity threshold value, the controller 20 sends a standby signal to the refrigerator 30 and the refrigerator 30 performs a standby operation.
Further, the embodiment of the present invention provides a condensation dehumidification device 300 for a high voltage switch cabinet, which further comprises a communication interface 80 connected to the controller 20. In specific application, the communication interface 80 may be an RS485 interface, and the communication interface 80 may perform data communication with a remote terminal, and transmit information such as a humidity value, a temperature value, and an operation state of the condensation and dehumidification device 300 in the current cabinet to the remote terminal; the communication interface 80 can also receive command information sent by a remote terminal to start and/or stop running the refrigerator 30, etc., and send the command information to the controller 20, and the controller 20 executes the received corresponding command.
Further, the embodiment of the utility model provides a still provide the condensation dehydrating unit of another kind of high tension switchgear, it is singlechip, man-machine interaction end including display and button, communication interface that the condensation dehydrating unit uses the controller to indicate, and the communication interface is the RS485 interface as an example, see the semiconductor condensation dehydrating unit that figure 4 shows, the operation process includes:
setting a humidity threshold value, the continuous running time t1 and the stopping time t2 of the semiconductor refrigerator through keys, and sending the humidity threshold value, the continuous running time t1 and the stopping time t2 to the single chip microcomputer;
the temperature and humidity instrument detects the humidity value in the high-voltage switch cabinet and sends the detected humidity value to the single chip microcomputer;
the single chip microcomputer compares the received humidity value with a set humidity threshold value, when the humidity value is larger than the humidity threshold value, the single chip microcomputer sends a dehumidification signal to the semiconductor refrigerator, the semiconductor refrigerator is started, a direct-current power supply is switched on, dehumidification operation is executed, and meanwhile, the single chip microcomputer controls the fan to start working;
when the semiconductor refrigerator runs, wet and cold air in the high-voltage switch cabinet is fully contacted with a refrigerating end of the semiconductor refrigerator, water vapor in the air is cooled and condensed, and condensed water is discharged out of the high-voltage switch cabinet through a drainage system; the condensed dry air is pumped into the periphery of the heating end of the semiconductor refrigerator through the fan, absorbs heat and is discharged out of the high-voltage switch cabinet, and meanwhile, the condensed water can be discharged in an accelerated manner;
after the semiconductor refrigerator continuously operates for a certain time t1, the semiconductor refrigerator stops operating for a period of time t 2;
the temperature and humidity instrument detects the humidity value in the high-voltage switch cabinet again and sends the humidity value to the single chip microcomputer;
the single chip microcomputer compares the received humidity value with the set humidity threshold value again, and if the humidity value is larger than the humidity threshold value, the single chip microcomputer sends a dehumidification signal to the semiconductor refrigerator again and repeats the operation process; if the humidity value is smaller than or equal to the humidity threshold value, the single chip microcomputer sends a standby signal to the semiconductor refrigerator, and the semiconductor refrigerator executes standby operation.
Furthermore, the temperature and humidity instrument of the condensation dehumidification device can also detect the temperature value in the high-voltage switch cabinet and send the temperature value to the remote terminal through the RS485 interface, and the remote terminal can send the instruction of stopping the operation of the semiconductor refrigerator to the single chip microcomputer when the received temperature value is too high.
Further, the RS485 interface can also send information such as a humidity value, the running time of the semiconductor refrigerator, the running state and the like to the remote terminal, receive corresponding instruction information sent by the remote terminal, send the received instruction information to the single chip microcomputer, and the single chip microcomputer executes corresponding instructions.
Further, the display can be used for displaying the humidity value and the temperature value in the high-voltage cabinet, the running time and the stopping time of the semiconductor refrigerator and the like.
Further, the embodiment of the utility model provides a high tension switchgear's condensation dehumidification system still provides, see the structural schematic diagram of the condensation dehumidification system 400 that fig. 5 shows that condensation dehumidification system 400 includes condensation dehydrating unit 300 and carries out the remote terminal 90 that communicates with condensation dehydrating unit 300, and this condensation dehydrating unit can adopt aforementioned any kind of condensation dehydrating unit to realize.
Further, in a specific application, the remote terminal 90 may be an upper computer, or may be a mobile terminal, including a mobile phone, a tablet computer, a computer, and the like.
The utility model provides an above-mentioned high tension switchgear's condensation dehydrating unit and system is equipped with humidity transducer in the condensation dehydrating unit, and the controller can be based on humidity value control refrigerator dehumidification or the standby that humidity transducer detected. The mode does not need the refrigerator to be in a working state all the time from the start, but can enable the refrigerator to carry out dehumidification or standby on the basis of the actual humidity condition, thereby effectively reducing energy consumption and improving dehumidification efficiency.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides an above-mentioned high tension switchgear's condensation dehydrating unit and system, including the controller, the controller includes logic circuit and timer, and logic circuit is used for comparing the humidity value that detects and the moderate degree threshold value of settlement, and the timer is used for setting for the time interval of logic circuit twice comparison humidity value and humidity threshold value, and the technical personnel in the field can clearly understand, for the convenience of description and succinct, the concrete working process of above-mentioned description circuit can refer to the corresponding process in aforementioned method embodiment, no longer gives unnecessary details here.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and system can be implemented in other ways, and the above-described apparatus embodiments are merely illustrative.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A condensation dehydrating unit of high tension switchgear, its characterized in that includes: the humidity sensor and the refrigerator are respectively connected with the controller;
the humidity sensor is used for detecting a humidity value in the high-voltage switch cabinet and sending the humidity value to the controller;
the controller is used for receiving the humidity value and outputting a control signal corresponding to the humidity value to the refrigerator;
the refrigerator is used for receiving the control signal and executing the operation corresponding to the control signal;
the controller comprises a logic circuit, wherein the logic circuit is used for comparing the humidity value with a preset humidity threshold value, outputting a dehumidification signal when the humidity value is larger than the humidity threshold value, and outputting a standby signal when the humidity value is smaller than or equal to the humidity threshold value; the controller comprises a timer connected with the logic circuit, and the timer is used for setting a time interval for the logic circuit to compare the humidity value with the humidity threshold value twice.
2. A condensation and dehumidification apparatus for a high voltage switchgear as claimed in claim 1, further comprising a temperature sensor connected to said controller;
the temperature sensor is used for detecting a temperature value in the high-voltage switch cabinet and sending the temperature value to the controller;
the controller is also used for sending the temperature value to a remote terminal.
3. A condensation and dehumidification apparatus for a high voltage switch cabinet according to claim 1, further comprising a drainage system connected to said refrigerator for draining condensed water generated by said refrigerator.
4. A condensation and dehumidification apparatus for a high voltage switchgear as claimed in claim 1, further comprising a fan connected to said controller, said fan being adapted to exhaust air from within said high voltage switchgear.
5. A condensation and dehumidification device for a high voltage switch cabinet according to claim 1, further comprising a human-machine interface connected to said controller.
6. A condensation and dehumidification device for a high voltage switch cabinet according to any one of claims 1 to 5, wherein said condensation and dehumidification device is a semiconductor condensation and dehumidification device.
7. A condensation and dehumidification system of a high-voltage switch cabinet, characterized by comprising the condensation and dehumidification device of the high-voltage switch cabinet as claimed in any one of claims 1 to 6, and further comprising a remote terminal connected with the condensation and dehumidification device.
8. A condensation and dehumidification system for high voltage switchgear according to claim 7, wherein said remote terminal comprises a mobile terminal or an upper computer.
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| CN201921652548.9U CN211182834U (en) | 2019-09-30 | 2019-09-30 | Condensation dehumidification device and system of high-voltage switch cabinet |
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| CN201921652548.9U CN211182834U (en) | 2019-09-30 | 2019-09-30 | Condensation dehumidification device and system of high-voltage switch cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112564027A (en) * | 2020-12-02 | 2021-03-26 | 广东电网有限责任公司江门供电局 | Solar dehumidifying device and outdoor distribution box with same |
| CN112820521A (en) * | 2020-12-21 | 2021-05-18 | 深圳供电局有限公司 | Dry-type transformer cooling system |
-
2019
- 2019-09-30 CN CN201921652548.9U patent/CN211182834U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112564027A (en) * | 2020-12-02 | 2021-03-26 | 广东电网有限责任公司江门供电局 | Solar dehumidifying device and outdoor distribution box with same |
| CN112820521A (en) * | 2020-12-21 | 2021-05-18 | 深圳供电局有限公司 | Dry-type transformer cooling system |
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