CN105407688A - Fully-closed intelligent electric control cabinet cooling system - Google Patents

Fully-closed intelligent electric control cabinet cooling system Download PDF

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Publication number
CN105407688A
CN105407688A CN201510718405.3A CN201510718405A CN105407688A CN 105407688 A CN105407688 A CN 105407688A CN 201510718405 A CN201510718405 A CN 201510718405A CN 105407688 A CN105407688 A CN 105407688A
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CN
China
Prior art keywords
cooling
input
output
coil
valve
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Pending
Application number
CN201510718405.3A
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Chinese (zh)
Inventor
蔡雯
申小中
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Wuxi Institute of Commerce
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Wuxi Institute of Commerce
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Application filed by Wuxi Institute of Commerce filed Critical Wuxi Institute of Commerce
Priority to CN201510718405.3A priority Critical patent/CN105407688A/en
Publication of CN105407688A publication Critical patent/CN105407688A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a fully-closed intelligent electric control cabinet cooling system, which comprises a compressor, a condensation heat recovery adjustment valve, a heat recovery coil, an electric valve, a condensation coil, a condensation fan, a dry filter, a throttle valve, an evaporation coil, a baffle board, an electric heater, a circulating fan and a case. The cooling capacity for cooling each electronic and electric module inside the electric control cabinet is from the refrigerating capacity generated by a vapor compression refrigeration system at the evaporation coil, a constant dew point temperature mode enables the temperature and the humidity of the circulating cooling air to be controlled precisely, and due to the condensation heat recovery design, the cooling system is energy-saving and environmental friendly. The defects that the cooling mode of the cooling fan is largely influenced by interference of the surrounding air environment, and only insufficient cooling effects can be provided can be overcome.

Description

A kind of cooling system of totally-enclosed intelligent electric control cubicle
Technical field
The present invention relates to a kind of system utilizing steam compression type refrigerating circulation to carry out the cooling of totally-enclosed intelligent electric-controlled cabinet.
Background technology
Be integrated with the control module of a large amount of golf calorific value and various discrete electronics electric component in common totally-enclosed intelligent electric-controlled cabinet, electronic control system wherein, variable speed drive system, servo system and programmable logic control system etc. are to warm and pollute extreme sensitivity.The air ambient of high temperature and high humidity, not only has a strong impact on electrical control precision and control stability, and can make the electric element premature aging that works in severe atmosphere, and useful life shortens.Once the temperature of control cubicle inside or humidity too high, cause the accident of electric gas part to be burnt, even can lead to heavy losses.
The totally enclosed frame safeguard structure of electrical control cubicles, can effectively stop the dust in environment, steam etc. to enter cabinet inside in a large number, but its remarkable defect is the heat radiation being unfavorable for electric element.At present, for effectively controlling the air parameter in electrical control cubicles, generally in electrical control cubicles, radiator fan is installed.Along with the function of intelligent electric-controlled cabinet is more and more stronger, CPU arithmetic speed is more and more faster, and the caloric value in rack is also increasing, and single or 2 fans can not meet cooling requirements, and more than 6 fans even loaded onto by indivedual intelligent electric-controlled cabinet.But, nonetheless, radiator fan is large by the interference effect of surrounding air environment, insufficient cooling effect can only be provided, and often directly the unfavorable factors such as the dirt in surrounding air, humidity, corrosivity being guided to control module in the cabinet that need cool, the great operation hidden danger forming electrical control cubicles even causes device damage.
Summary of the invention
In order to solve above-mentioned background technology Problems existing, steam compression type refrigerating technology, Condensation Heat Recovery Technology have been merged in the present invention, propose a kind of system utilizing Vapor Compression Refrigeration Cycle to realize the cooling of totally-enclosed intelligent electric-controlled cabinet.
In order to realize above-mentioned technical purpose, technical scheme of the present invention is: a kind of cooling system of totally-enclosed intelligent electric control cubicle, comprises electrical control cabinet body, is provided with cool cycles unit in described electrical control cabinet body, and loop control unit;
Described cool cycles unit comprises the evaporation coil, reheat coils, electric heater and the circulation forced draft fan that are corresponding in turn to setting; Wherein, the input of described evaporation coil exports with the heat radiation of CPU element and is connected, and the output of described circulation forced draft fan is connected with the heat radiation import of described CPU element;
Described loop control unit comprises compressor, and its input is connected with the output of described evaporation coil, and its output reduction of fractions to a common denominator is not connected with the input of condensation backheat adjuster valve and valve with electrically motorized operation; The output of described condensation backheat adjuster valve is connected with the input of described reheat coils, the output of described valve with electrically motorized operation is connected with the input of condenser coil, and the output of described condenser coil is connected to the input of described evaporation coil successively by device for drying and filtering and choke valve; The output of described reheat coils is connected with the input of described device for drying and filtering.
Further, water fender is provided with between described evaporation coil and described reheat coils.
Adopt technique scheme, there is following beneficial effect:
Evaporation coil dew point temperature in the present invention can remain constant, thus no matter how circulating air state changes, and only need regulate the backheat amount of reheat coils and the electric heating amount of electric heater, can reach the requirement of wind pushing temperature and humidity, ensures that ventilation state is constant.
Accompanying drawing explanation
Fig. 1 is system configuration schematic diagram of the present invention.
Embodiment
Below with reference to accompanying drawing, technical scheme of the present invention is described in detail:
As shown in Figure 1, be the cooling system of a kind of totally-enclosed intelligent electric control cubicle of the present invention, comprise electrical control cabinet body 13, in described electrical control cabinet body 13, be provided with cool cycles unit 14, and loop control unit 15;
Described cool cycles unit comprises the evaporation coil 8, reheat coils 10, electric heater 11 and the circulation forced draft fan 12 that are corresponding in turn to setting; Wherein, the input of described evaporation coil 8 exports with the heat radiation of CPU element 16 and is connected, and the output of described circulation forced draft fan 12 is connected with the heat radiation import of described CPU element 16;
Described loop control unit 15 comprises compressor 1, and its input is connected with the output of described evaporation coil 8, and its output reduction of fractions to a common denominator is not connected with the input of condensation backheat adjuster valve 2 and valve with electrically motorized operation 3; The output of described condensation backheat adjuster valve 2 is connected with the input of described reheat coils 10, the output of described valve with electrically motorized operation 3 is connected with the input of condenser coil 4, and the output of described condenser coil 4 is connected to the input of described evaporation coil 8 successively by device for drying and filtering 6 and choke valve 7; The output of described reheat coils 10 is connected with the input of described device for drying and filtering 6.Wherein, the cold of this cooling system comes from the refrigerating capacity that vapor compression type refrigerating system produces at evaporation coil 8 place.
In figure, HTHP refrigerant after compressor 1 compresses is through condensation backheat adjuster valve 2 and valve with electrically motorized operation 3, a part enters reheat coils 10 by condensation backheat adjuster valve 2, utilize the heat heat cycles air of reheat coils 10, another part enters condenser coil 4 by valve with electrically motorized operation 3, and the heat of HTHP refrigerant is cooled by condenser fan 5 and takes out of outside electrical control cubicles; Condensed liquid refrigeration medium is after device for drying and filtering 6 and choke valve 7, and pressure reduces; After low-pressure liquid refrigerant enters evaporation coil 8, the recirculated hot air in electrical control cabinet is fully cooled, the sucked back compressor 1 of the liquid refrigeration medium after evaporation continues circulation.
After the air in electrical control cabinet is cooled, temperature is reduced to the dew point temperature of setting; Water retaining disk 9, in order to stop that the condensate produced enters air circulation not make liquid water droplets, avoids the humidity affecting air; The circulating air being cooled to dew point temperature, through reheat coils 10, is heated by the HTHP refrigerant in reheat coils 10 to realize Waste Heat Reuse.Like this, the circulating air temperature after entering electric heater 11 is again raised further; The circulating air reaching wind pushing temperature and humidity requirement is recycled forced draft fan 12 and sends, and to the electrical control cabinet that need cool, the position such as CPU element 16, takes away heat; The circulating air realized after cooling task is got back to evaporation coil 8 and is again cooled, thus continues the cyclic process of cooling-air.
In the present invention, adopt vapor compression type refrigerating system, this technology maturation, reliable, can select suitable refrigerating capacity according to the specification of different electrical control cubicles, after adopting Novel rotor type compressor, overall operation noise is extremely low; Condenser coil 4 utilizes condenser fan 5 to dispel the heat, and system is simple, long working life, and according to field condition, can adopt water-cooled condenser, improves cooling effectiveness; The dew point temperature of evaporation coil 8 can remain constant, thus no matter how circulating air state changes, and only need regulate the electric heating amount of reheat coils 10 backheat amount and electric heater 11, can reach the requirement of wind pushing temperature and humidity, ensures that ventilation state is constant; And reheat coils 10 can realize the condensation heat radiation making full use of vapor compression type refrigerating system, belong to the recycling of used heat, energy-conserving and environment-protective.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.

Claims (2)

1. the cooling system of a totally-enclosed intelligent electric control cubicle, comprise electrical control cabinet body (13), it is characterized in that, in described electrical control cabinet body (13), be provided with cool cycles unit (14), and loop control unit (15);
Described cool cycles unit comprises the evaporation coil (8), reheat coils (10), electric heater (11) and the circulation forced draft fan (12) that are corresponding in turn to setting; Wherein, the input of described evaporation coil (8) exports with the heat radiation of CPU element (16) and is connected, and the output of described circulation forced draft fan (12) is connected with the heat radiation import of described CPU element (16);
Described loop control unit (15) comprises compressor (1), its input is connected with the output of described evaporation coil (8), and its output reduction of fractions to a common denominator is not connected with the input of condensation backheat adjuster valve (2) and valve with electrically motorized operation (3); The output of described condensation backheat adjuster valve (2) is connected with the input of described reheat coils (10), the output of described valve with electrically motorized operation (3) is connected with the input of condenser coil (4), and the output of described condenser coil (4) is connected to the input of described evaporation coil (8) successively by device for drying and filtering (6) and choke valve (7); The output of described reheat coils (10) is connected with the input of described device for drying and filtering (6).
2. the cooling system of a kind of totally-enclosed intelligent electric control cubicle as claimed in claim 1, is characterized in that, be provided with water fender (9) between described evaporation coil (8) and described reheat coils (10).
CN201510718405.3A 2015-10-24 2015-10-24 Fully-closed intelligent electric control cabinet cooling system Pending CN105407688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510718405.3A CN105407688A (en) 2015-10-24 2015-10-24 Fully-closed intelligent electric control cabinet cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510718405.3A CN105407688A (en) 2015-10-24 2015-10-24 Fully-closed intelligent electric control cabinet cooling system

Publications (1)

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CN105407688A true CN105407688A (en) 2016-03-16

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106208627A (en) * 2016-08-17 2016-12-07 泰兴金江化学工业有限公司 A kind of converter anti-explosion cabinet of band Desuperheating device
CN106238892A (en) * 2016-08-26 2016-12-21 汤在英 Cooling type robot welding switch board
CN106271001A (en) * 2016-08-26 2017-01-04 汤在英 Water-proof type robot welding switch board
CN106270991A (en) * 2016-08-26 2017-01-04 汤在英 With the robot welding switch board supporting platform
CN106382678A (en) * 2016-08-30 2017-02-08 合肥通用机械研究院 Integrated air treatment device for shipborne electronic equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2458566Y (en) * 2000-12-22 2001-11-07 永昇集团公司 Closed circulation refrigerator for electronic apparatus cabinet
CN101990617A (en) * 2008-04-10 2011-03-23 奥利安机械股份有限公司 Temperature and humidity regulating apparatus and temperature and humidity regulating system
CN104344505A (en) * 2014-11-14 2015-02-11 赵强飞 Intelligent energy-saving dehumidification and thermoregulation system and control method thereof
CN205082119U (en) * 2015-10-24 2016-03-09 无锡商业职业技术学院 Totally closed intelligent electrical control cabinet's cooling system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2458566Y (en) * 2000-12-22 2001-11-07 永昇集团公司 Closed circulation refrigerator for electronic apparatus cabinet
CN101990617A (en) * 2008-04-10 2011-03-23 奥利安机械股份有限公司 Temperature and humidity regulating apparatus and temperature and humidity regulating system
CN104344505A (en) * 2014-11-14 2015-02-11 赵强飞 Intelligent energy-saving dehumidification and thermoregulation system and control method thereof
CN205082119U (en) * 2015-10-24 2016-03-09 无锡商业职业技术学院 Totally closed intelligent electrical control cabinet's cooling system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106208627A (en) * 2016-08-17 2016-12-07 泰兴金江化学工业有限公司 A kind of converter anti-explosion cabinet of band Desuperheating device
CN106238892A (en) * 2016-08-26 2016-12-21 汤在英 Cooling type robot welding switch board
CN106271001A (en) * 2016-08-26 2017-01-04 汤在英 Water-proof type robot welding switch board
CN106270991A (en) * 2016-08-26 2017-01-04 汤在英 With the robot welding switch board supporting platform
CN106382678A (en) * 2016-08-30 2017-02-08 合肥通用机械研究院 Integrated air treatment device for shipborne electronic equipment

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Application publication date: 20160316