CN204668749U - A kind of high-tension switch cabinet dehumidifier - Google Patents

A kind of high-tension switch cabinet dehumidifier Download PDF

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Publication number
CN204668749U
CN204668749U CN201520316711.XU CN201520316711U CN204668749U CN 204668749 U CN204668749 U CN 204668749U CN 201520316711 U CN201520316711 U CN 201520316711U CN 204668749 U CN204668749 U CN 204668749U
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China
Prior art keywords
air
switch cabinet
tension switch
control unit
pressure
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Expired - Fee Related
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CN201520316711.XU
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Chinese (zh)
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黄文明
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黄文明
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Abstract

The utility model relates to a kind of high-tension switch cabinet dehumidifier, comprise power module, humidity detecting module, control unit and desiccant body, described power module, humidity detecting module are connected with control unit respectively with desiccant body, described desiccant body comprises the air compressor machine, high-pressure dehumidifying tank, air accumulator and the first air valve that are connected successively by tracheae, described high-pressure dehumidifying tank is provided with refrigerating system and drainage arrangement, and described air compressor machine, the first air valve are connected with the control output end of control unit respectively with the control input end of refrigerating system.The utility model has efficient dehumidifying effect, the air of clean dry moisture-free and air-borne dust is delivered in the interval of required high-tension switch cabinet, effectively to prevent in high-tension switch cabinet because humidity is too high and soot density in air is too high, the creepage flashover potential safety hazard of electric discharge produced, and can realize controlling on the spot and remote monitoring, reliably convenient.

Description

A kind of high-tension switch cabinet dehumidifier
Technical field
The utility model relates to power transmission and distribution and control technology field, relates to a kind of high-tension switch cabinet dehumidifier particularly.
Background technology
High-tension switch cabinet adopts the seal of organic insulating material and too compact layout and height in a large number due to inside, make it higher for requirement moistureproof in cabinet, because humidity is too high, the inner easily generation condensation of switchgear can be made thus produce the potential safety hazards such as the creepage flashover of electric discharge.
Conventional high-tension switch cubicle is generally in cabinet, install heating drive damp dehydrating unit, when temperature after heating is higher, more moisture can be held in air, make after adding hot-air still to keep in atmosphere by condensation water, and it is noncondensing in equipment surface, but moisture is still also inner at cabinet, if internal-external temperature difference is larger, moisture also can separate out formation condensation, and temperature is very high during the work of heating and dehumidification device heating plate, surrounding cable easily causes aging circuit around, if also may destroy cable insulating close to crossing from it affect equipment security of operation.Hot type dehumidifier needs continuous firing and relatively high power could keep the inherent uniform temperature of cabinet, consumes energy higher.
For this reason, people improve it, change water and discharge outside cabinet, to reach the effect of cabinet inner air drying after adopting condenser that the humid air in cabinet is carried out condensation.But the efficiency that alone condenser carries out dehumidifying is low, and dehumidifying is thorough not.
Summary of the invention
The purpose of this utility model be for overcome the problems referred to above provide a kind of high pressure and low temperature bond got up the air in cabinet dehumidified, dehumidification rate is high, and dehumidifying is more thoroughly and the simple high-tension switch cabinet dehumidifier of structure.
For this reason, the utility model discloses a kind of high-tension switch cabinet dehumidifier, comprise power module, humidity detecting module, control unit and desiccant body, described power module, humidity detecting module is connected with control unit respectively with desiccant body, described desiccant body comprises the air compressor machine connected successively by tracheae, high-pressure dehumidifying tank, air accumulator and the first air valve, described high-pressure dehumidifying tank is provided with refrigerating system and drainage arrangement, described air compressor machine will be transported to described high-pressure dehumidifying tank after air compressing, described refrigerating system is carried out dehumidification by condensation to pressure-air and is obtained dry air, condensed water is discharged by described drainage arrangement, dry air after dehumidifying is delivered to described air accumulator and stores by described high-pressure dehumidifying tank, again by the first valve be delivered to want dry space, described air compressor machine, first air valve is connected with the control output end of control unit respectively with the control input end of refrigerating system.
Further, described control unit comprises CPU master controller and the gsm wireless communication module, liquid crystal touch operation screen and the display panel that are attached thereto.
Further, the inlet end of described air compressor machine and outlet side are respectively equipped with air-borne dust filter, for the dust in filtered air.
Further, described being provided with of refrigerating system ice heater, described drainage arrangement is provided with heater, and describedization ice heater is connected with the control output end of control unit respectively with the control input end of heater.
Further, aqueous hydrocarbon separator and the second air valve is also provided with between described high-pressure dehumidifying tank and air accumulator, dry air after dehumidifying is delivered to described air accumulator by aqueous hydrocarbon separator and the second air valve and stores by described high-pressure dehumidifying tank successively, and the described control input end of the second air valve is connected with the control output end of control unit.
Further, the gas outlet of described air accumulator is also provided with air-borne dust filter and chemical drier, dry air by the first valve more successively by be delivered to after air-borne dust filter and chemical drier want dry space.
Further, described high-pressure dehumidifying tank and air accumulator are respectively equipped with pressure and humidity detector, and its output is connected with the input of control unit respectively.
Advantageous Effects of the present utility model:
The utility model utilizes high pressure to be combined with low-temperature phase and dehumidifies to cabinet inner air simultaneously, dehumidification rate is high, effective, and be provided with dust filter unit and carry out dust-filtering, effectively to prevent in high-tension switch cabinet because humidity is too high and soot density in air is too high, the creepage flashover potential safety hazard of electric discharge of generation, by gsm wireless communication module, operation screen and display panel, on the spot or long-rangely can carry out checking monitoring, use more convenient, safety and reliability.
Accompanying drawing explanation
Fig. 1 is structural framing schematic diagram of the present utility model;
Fig. 2 is the structural representation of the utility model specific embodiment desiccant body;
Fig. 3 is the circuit connection diagram of the utility model specific embodiment.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of high-tension switch cabinet dehumidifier, comprise in power module 400(the present embodiment for 220V turns 12V power module), humidity detecting module (is Temperature Humidity Sensor in the present embodiment, be seated in high-tension switch cabinet) 100, control unit 200 and desiccant body 300, the gsm wireless communication module 202 that control unit 200 comprises CPU master controller 201 and is attached thereto, liquid crystal touch operation screen 203 and display panel are (for showing pressure, humiture and fault message etc.) 204, the output that 220V turns 12V power module 400 is connected with the power input of CPU master controller 201, the input of the output termination CPU master controller 201 of Temperature Humidity Sensor.
Desiccant body 300 comprises the air-borne dust filter 301 connected successively by tracheae, air compressor machine 302, air-borne dust filter 303, high-pressure dehumidifying tank is (in the present embodiment, be provided with Pressure gauge, humidometer and safety valve, for to pressure, temperature and safety are monitored) 304, aqueous hydrocarbon separator 305, second air valve (being electromagnetically operated valve in the present embodiment) 306, air accumulator is (for storing dry air, in the present embodiment, be provided with Pressure gauge and humidometer, for monitoring pressure and temperature) 307, first air valve (being Unidirectional solenoid valve in the present embodiment) 308, air-borne dust filter 309 and chemical drier (built in air drier, can change) 310, it (is compressor cooling in the present embodiment that high-pressure dehumidifying tank 304 is provided with refrigerating system, comprise condenser and refrigerating units, condenser is placed in high-pressure dehumidifying tank 304, in other embodiments also can semiconductor refrigerating or other) 311 and drainage arrangement (be automatic water trap in the present embodiment, outer for condensed water being discharged high-pressure dehumidifying tank) 313, being provided with of refrigerating system 311 ice heater (for removing freezing on condenser) 312, it (is heater strip in the present embodiment that automatic water trap 313 is provided with heater, for removing freezing on automatic water trap) 314, high-pressure dehumidifying tank 304 and air accumulator 307 are respectively equipped with pressure-detecting device (being pressure transmitter in the present embodiment) 315, 316 and humidity detector (being humidity transmitter in the present embodiment) 317, 318, air compressor machine 302, electromagnetically operated valve 306, Unidirectional solenoid valve 308, change ice heater 312, heater strip 314 is connected with the control output end of CPU master controller 201 respectively with the control input end of the refrigerating units of refrigerating system 311, pressure transmitter 315, 316 and temperature transmitter 317, the output of 318 connects the input of master controller 201 respectively.
The course of work of the utility model specific embodiment is summarized as follows:
Air compresses by entering compressor after air-borne dust filter filtering dust, compressed air is again by after the further Chalk-dust filtering of air-borne dust filter, send in high-pressure dehumidifying tank, the condenser working that high-pressure dehumidifying tank is built-in, air is in high pressure low temperature environment, moisture in air is out squeezed, remainder moisture contacts with built-in condenser, its moisture condensation is on condenser, and by automatic drain valve door row except tank, the air obtained is the compressed air of low temperature drying, after filtering profit by aqueous hydrocarbon separator again, enter air accumulator through electromagnetically operated valve to store for future use, when Temperature Humidity Sensor in switch cubicle interval, detect humidity higher than set point, CPU master controller starts modes of inflation, open Unidirectional solenoid valve, the dry air stored in air accumulator from Unidirectional solenoid valve out after, again through air-borne dust metre filter dust, and the drying process of final step is done through chemical drier, by clean dry and the air of moisture-free and air-borne dust is delivered in required interval, effectively to prevent in high-tension switch cabinet because humidity is too high and soot density in air is too high, the creepage flashover potential safety hazard of electric discharge produced.Meanwhile, by gsm wireless communication module, user can utilize mobile phone to carry out long-rangely checking pressure, humiture and fault alarm information (as equipment fault, humiture transfinite), and can carry out setting parameter amendment, uses reliably convenient.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.

Claims (7)

1. a high-tension switch cabinet dehumidifier, comprise power module, humidity detecting module, control unit and desiccant body, described power module, humidity detecting module is connected with control unit respectively with desiccant body, it is characterized in that: described desiccant body comprises the air compressor machine connected successively by tracheae, high-pressure dehumidifying tank, air accumulator and the first air valve, described high-pressure dehumidifying tank is provided with refrigerating system and drainage arrangement, described air compressor machine will be transported to described high-pressure dehumidifying tank after air compressing, pressure-air is carried out dehumidification by condensation and obtains dry air by described refrigerating system, condensed water is discharged by described drainage arrangement, dry air after dehumidifying is delivered to described air accumulator and stores by described high-pressure dehumidifying tank, again by the first valve be delivered to want dry space, described air compressor machine, first air valve is connected with the control output end of control unit respectively with the control input end of refrigerating system.
2. high-tension switch cabinet dehumidifier according to claim 1, is characterized in that: gsm wireless communication module, liquid crystal touch operation screen and display panel that described control unit comprises CPU master controller and is attached thereto.
3. high-tension switch cabinet dehumidifier according to claim 1, is characterized in that: the inlet end of described air compressor machine and outlet side are respectively equipped with air-borne dust filter, for the dust in filtered air.
4. high-tension switch cabinet dehumidifier according to claim 1, it is characterized in that: described being provided with of refrigerating system ice heater, described drainage arrangement is provided with heater, and describedization ice heater is connected with the control output end of control unit respectively with the control input end of heater.
5. high-tension switch cabinet dehumidifier according to claim 1, it is characterized in that: between described high-pressure dehumidifying tank and air accumulator, be also provided with aqueous hydrocarbon separator and the second air valve, dry air after dehumidifying is delivered to described air accumulator by aqueous hydrocarbon separator and the second air valve and stores by described high-pressure dehumidifying tank successively, and the described control input end of the second air valve is connected with the control output end of control unit.
6. high-tension switch cabinet dehumidifier according to claim 1, it is characterized in that: the gas outlet of described air accumulator is also provided with air-borne dust filter and chemical drier, dry air by the first valve more successively by be delivered to after air-borne dust filter and chemical drier want dry space.
7. high-tension switch cabinet dehumidifier according to claim 1, is characterized in that: described high-pressure dehumidifying tank and air accumulator are respectively equipped with pressure and humidity detector, and its output is connected with the input of control unit respectively.
CN201520316711.XU 2015-05-18 2015-05-18 A kind of high-tension switch cabinet dehumidifier Expired - Fee Related CN204668749U (en)

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289221A (en) * 2015-11-06 2016-02-03 南车株洲电力机车有限公司 Monitoring device of air source system dryer
CN105514820A (en) * 2015-11-24 2016-04-20 国网河南省电力公司平顶山供电公司 Anti-condensation and condensation monitor and control system for communication base station electric control cabinet
CN105811275A (en) * 2016-04-19 2016-07-27 国家电网公司 Rotary dehumidifier-type condensation dehumidification device for metal-clad equipment and control method of rotary dehumidifier-type condensation dehumidification device
CN106058661A (en) * 2016-08-18 2016-10-26 南京绿高电子科技有限公司 Intelligent dehumidifying device based on novel semiconductor
CN106282518A (en) * 2016-09-21 2017-01-04 北京科技大学 Heater for rolling steel coal gas is carried out the Apparatus and method for of freezing dehumidification
CN107508150A (en) * 2017-08-14 2017-12-22 浙江白云源电气有限公司 A kind of switch cubicle dehumidification system
CN107834363A (en) * 2017-11-30 2018-03-23 国网河南省电力公司南阳供电公司 American cable termination Rapid grounding device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289221A (en) * 2015-11-06 2016-02-03 南车株洲电力机车有限公司 Monitoring device of air source system dryer
CN105289221B (en) * 2015-11-06 2017-10-13 南车株洲电力机车有限公司 The supervising device of air supply system drier
CN105514820A (en) * 2015-11-24 2016-04-20 国网河南省电力公司平顶山供电公司 Anti-condensation and condensation monitor and control system for communication base station electric control cabinet
CN105514820B (en) * 2015-11-24 2017-07-14 国网河南省电力公司平顶山供电公司 A kind of anti-condensation monitoring system of communication base station electrical control cabinet
CN105811275A (en) * 2016-04-19 2016-07-27 国家电网公司 Rotary dehumidifier-type condensation dehumidification device for metal-clad equipment and control method of rotary dehumidifier-type condensation dehumidification device
CN106058661A (en) * 2016-08-18 2016-10-26 南京绿高电子科技有限公司 Intelligent dehumidifying device based on novel semiconductor
CN106282518A (en) * 2016-09-21 2017-01-04 北京科技大学 Heater for rolling steel coal gas is carried out the Apparatus and method for of freezing dehumidification
CN107508150A (en) * 2017-08-14 2017-12-22 浙江白云源电气有限公司 A kind of switch cubicle dehumidification system
CN107834363A (en) * 2017-11-30 2018-03-23 国网河南省电力公司南阳供电公司 American cable termination Rapid grounding device

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150923

Termination date: 20170518

CF01 Termination of patent right due to non-payment of annual fee