CN203375756U - Air-cooled circulating type industrial cold water machine - Google Patents

Air-cooled circulating type industrial cold water machine Download PDF

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Publication number
CN203375756U
CN203375756U CN201320256439.1U CN201320256439U CN203375756U CN 203375756 U CN203375756 U CN 203375756U CN 201320256439 U CN201320256439 U CN 201320256439U CN 203375756 U CN203375756 U CN 203375756U
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CN
China
Prior art keywords
water
pressure refrigerant
temperature
low
air
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Expired - Fee Related
Application number
CN201320256439.1U
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Chinese (zh)
Inventor
段小强
赵新灿
张学武
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ZHENGZHOU KECHUANG ELECTRONIC CO Ltd
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ZHENGZHOU KECHUANG ELECTRONIC CO Ltd
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Priority to CN201320256439.1U priority Critical patent/CN203375756U/en
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Publication of CN203375756U publication Critical patent/CN203375756U/en
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Abstract

The utility model provides an air-cooled circulating type industrial cold water machine, which comprises a refrigerant circulating system, a water circulating system and an electric control system. The refrigerant circulating system is composed of a compressor used for compressing a normal-temperature and low-pressure refrigerant into a high-temperature and high-pressure refrigerant. The high-temperature and high-pressure refrigerant outputted by the compressor is converted into a normal-temperature and high-pressure refrigerant by a condenser. The normal-temperature and high-pressure refrigerant is converted into a low-temperature and low-pressure refrigerant through the throttling process carried out by a thermostatic expansion valve, and then the obtained refrigerator is delivered to an evaporator. Inside the evaporator, the low-temperature and low-pressure refrigerant absorbs the heat of the cooling water to be converted into a normal-temperature and low-pressure refrigerant again. After that, the refrigerator is delivered to the compressor for a second time. According to the technical scheme of the utility model, the air-cooled circulating type industrial cold water machine can be applied to the industrial production in the fields of plastic cement, electronic manufacturing, electroplating, pharmaceutical chemical engineering, ultrasonic cooling, printing and the like. By means of the machine, the cooling water with the temperature thereof required by the modern industrial mechanized production can be obtained. Therefore, the product quality is improved.

Description

Air-cooled circulating Cool-water Machine for Industry
Technical field
The utility model relates to a kind of Cool-water Machine for Industry, specifically relates to a kind of circulating Cool-water Machine for Industry.
Background technology
Cool-water Machine for Industry, be divided into air-cooled water cooling machine and water-cooled cooling water machine.Wherein, it is slightly influential that the condenser cooling effect of air-cooled water cooling machine is subject to the variation of external environment seasonal climate; And water-cooled cooling water machine need to install cooling tower and water pump in addition additional, in order to extract the hot water heat radiation, adopt the water tower radiating effect more stable, it is determined is that water tower need be set, mobility is poor.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, air-cooled circulating Cool-water Machine for Industry that accuracy of temperature control is high.
For achieving the above object, the utility model is by the following technical solutions:
A kind of air-cooled circulating Cool-water Machine for Industry, it comprises refrigerant-cycle systems, water circulation system and electric control system; Refrigerant-cycle systems comprises the compressor that the normal temperature low pressure refrigerant is compressed into to high-temperature high-pressure refrigerant, and the high-temperature high-pressure refrigerant of compressor output becomes the normal temperature high voltage cold-producing medium after condenser; The normal temperature high voltage cold-producing medium becomes low-temperature low-pressure refrigerant after by the heating power expansion valve throttling and enters evaporimeter, in evaporimeter, low-temperature low-pressure refrigerant absorbs the heat of cooling water, after absorbing heat, low-temperature low-pressure refrigerant becomes the normal temperature low pressure refrigerant and again enters in compressor; Water circulation system comprises the water circulating pump that pumps cooling water from water tank, the cooling water pumped enters in evaporimeter, the cooling water of evaporimeter output enters in water tank, the cooling water of water tank output enters in equipment to be cooled, and the cooling water of exporting from equipment to be cooled is pumped by water circulating pump after entering water tank again.
Between condenser and heating power expansion valve, device for drying and filtering is set.
Between device for drying and filtering and heating power expansion valve, magnetic valve is set.
Cooling blower is set on condenser.
Electric control system comprises the relay be connected with the power circuit of compressor, cooling blower, water circulating pump respectively, and each relay is separately positioned on corresponding relay output interface circuit, and the relay output interface circuit is connected with single-chip microcomputer.
Fluid level controller is set on water tank, and fluid level controller is connected with the single-chip microcomputer in electric control system.
Adopt the utility model of technique scheme, the cooling water equipment of constant temperature, constant current, constant voltage can be provided.Its operation principle is first to the cabinet inner water tank, to inject a certain amount of water, by refrigeration system, by water cooling, then by water pump, low-temperature cooling water is sent into to the cooling equipment that needs, and cooling water is taken away rear temperature by heat and raise and be back to water tank again, reaches cooling effect.Coolant water temperature can be regulated as requested automatically, but uses using water wisely for a long time.
The industrial production such as air-cooled circulating Cool-water Machine for Industry can be cooling for plastic cement, electronics manufacture, plating, medication chemistry, ultrasonic wave, printing, it can produce the cooling water of modern industry temperature that mechanization production requires, thereby improves the quality of products.
The utility model adopts the AVR single-chip microcomputer as kernel control chip, and measurement and control temperature accuracy are higher.Adopted 485 communication lines, strong interference immunity, and possess the industry spot networking capability, possess perfect holding circuit.In addition, adopt relay output to control electric component, dependable performance.
The accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is outside cabinet front view of the present utility model.
The left view that Fig. 3 is Fig. 2.
The top view that Fig. 4 is Fig. 2.
Fig. 5 is single chip machine controlling circuit.
Fig. 6 is the protection input interface circuit.
Fig. 7 is the relay output interface circuit.
Fig. 8 is 485 telecommunication circuits.
The specific embodiment
As shown in Figure 1, a kind of air-cooled circulating Cool-water Machine for Industry, it comprises refrigerant-cycle systems, water circulation system and electric control system.And above-mentioned three systems are arranged in cabinet 13, are provided with fan mouth 14 above cabinet 13; Be provided with main entrance 15 and side door 16 on cabinet 13, as shown in Fig. 2-Fig. 4.
One, refrigerant-cycle systems
Refrigerant-cycle systems comprises the compressor 1 that the normal temperature low pressure refrigerant is compressed into to high-temperature high-pressure refrigerant, and the high-temperature high-pressure refrigerant of compressor 1 output releases energy and becomes the normal temperature high voltage cold-producing medium after condenser 3; The normal temperature high voltage cold-producing medium becomes low-temperature low-pressure refrigerant after by heating power expansion valve 6 throttlings and enters evaporimeter 7, in evaporimeter 7, low-temperature low-pressure refrigerant absorbs heat the start vaporizer of cooling water, after absorbing heat, low-temperature low-pressure refrigerant becomes the normal temperature low pressure refrigerant, in this process, cooling water temperature reduces, and reaches cooling purpose.Finally, the normal temperature low pressure refrigerant enters in compressor 1 again.
In refrigerant-cycle systems, critical piece is as follows:
Compressor 1: compressor 1 is the core component in whole refrigeration system, is also the power source of refrigerant compression.Its effect is to be mechanical energy by the electric energy conversion of input, by normal temperature low pressure refrigerant boil down to high-temperature high-pressure refrigerant, and drives refrigerant system to loop.
Condenser 3: cooling blower 2 is set on condenser 3.In process of refrigerastion, condenser 3 plays the condensation of exporting heat energy and making cold-producing medium.The high-temperature high-pressure refrigerant of discharging from refrigeration compressor enters condenser, the net quantity of heat that it is absorbed in the course of the work, comprising from evaporimeter and refrigeration compressor and the heat absorbed in pipeline all pass to condenser surrounding medium (air) and take away (by cooling blower 2 air blast coolings).Cold-producing medium becomes the normal temperature low-pressure state by high-temperature high-pressure state.
Cooling blower 2: reduce condenser temperature by air blast cooling, thereby to the cold-producing medium cooling refrigeration.
Device for drying and filtering 4: device for drying and filtering 4 is arranged between condenser 3 and heating power expansion valve 6.In kind of refrigeration cycle, must prevent moisture and dirt etc. to enter, the source of moisture is mainly new cold-producing medium and the contained micro-moisture of lubricator added, or air enters the moisture brought during due to examination and repair system.If the moisture in system is not got rid of totally, when cold-producing medium when the choke valve (heating power expansion valve or capillary), because of the decline of pressure and temperature sometimes moisture can be frozen into ice, passage is blocked, affect the normal operation of refrigerating plant.Therefore, in refrigeration system, device for drying and filtering must be installed.
Heating power expansion valve 6: be arranged between device for drying and filtering and evaporimeter, its temperature-sensitive bag is the exit of wrapping at evaporimeter.Main Function is high normal pressure and temperature refrigerant liquid reducing pressure by regulating flow when flowing through choke valve, becomes low-temperature low-pressure refrigerant moist steam (major part is liquid, and little section is steam) and enters evaporimeter, and in evaporimeter, gasification is absorbed heat, and reaches the purpose of refrigeration cool-down.
Evaporimeter 7: evaporimeter is the heat transmission equipment that the evaporation (being actually boiling) of dependence refrigerant liquid absorbs the hydro-thermal amount that is cooled.Its function in refrigeration system is the exchange of heat.In order to guarantee that evaporation process can carry out stably and lastingly, must constantly with refrigeration compressor, the gas of evaporation be taken away, to keep certain evaporating pressure.
Cold-producing medium: mainly use R22 or R407C as cold-producing medium.Cold-producing medium is the flow media in refrigeration system, and its Main Function is to carry heat, and realizes heat absorption and release when state variation.
Two, water circulation system
Water circulation system comprises the water circulating pump 8 that pumps cooling water from water tank 9, the cooling water pumped enters in evaporimeter 7, water is cooled after cooling, the cooling water of evaporimeter 7 outputs enters in water tank 9, the cooling water of water tank 9 outputs enters in equipment 10 to be cooled, after the cooling water from equipment 10 to be cooled after the intensification of output enters water tank 9, by water circulating pump 8, is pumped again.
On the output pipe of equipment 10 to be cooled, pressure-regulating valve 11 is set at water tank 9, by the unlatching size of controlled pressure control valve 11, thereby control, enters the pressure that needs the cooling device water route.
Three, electric control system
As shown in Figure 5-Figure 8, electric control system comprises main circuit and control circuit.Main circuit is that power supply provides power supply by contactor to compressor, fan, water pump etc., reaches cooling water refrigeration and circulation purpose.Control circuit comprises the relay be connected with the power circuit of compressor 1, cooling blower 2, water circulating pump 8 respectively, and each relay is separately positioned on corresponding relay output interface circuit, and the relay output interface circuit is connected with single-chip microcomputer.
In addition, fluid level controller 13 is set on water tank 9, between device for drying and filtering 4 and heating power expansion valve 6, magnetic valve 5 is set, magnetic valve 5 all is connected with the single-chip microcomputer in electric control system with fluid level controller 13.
In addition, single-chip microcomputer also is connected with 485 telecommunication circuits, possesses perfect holding circuit input interface, adopts relay output to control electric component, dependable performance.

Claims (6)

1. an air-cooled circulating Cool-water Machine for Industry, it is characterized in that: it comprises refrigerant-cycle systems, water circulation system and electric control system;
Described refrigerant-cycle systems comprises the compressor (1) that the normal temperature low pressure refrigerant is compressed into to high-temperature high-pressure refrigerant, and the high-temperature high-pressure refrigerant of compressor (1) output becomes the normal temperature high voltage cold-producing medium after condenser (3); The normal temperature high voltage cold-producing medium becomes low-temperature low-pressure refrigerant after by heating power expansion valve (6) throttling and enters evaporimeter (7), in evaporimeter (7), low-temperature low-pressure refrigerant absorbs the heat of cooling water, after absorbing heat, low-temperature low-pressure refrigerant becomes the normal temperature low pressure refrigerant and again enters in compressor (1);
Described water circulation system comprises the water circulating pump (8) that pumps cooling water from water tank (9), the cooling water pumped enters in evaporimeter (7), the cooling water of evaporimeter (7) output enters in water tank (9), the cooling water of water tank (9) output enters in equipment to be cooled (10), after from equipment to be cooled (10), the cooling water of output enters water tank (9), by water circulating pump (8), is pumped again.
2. air-cooled circulating Cool-water Machine for Industry according to claim 1, is characterized in that: between described condenser (3) and heating power expansion valve (6), device for drying and filtering (4) is set.
3. air-cooled circulating Cool-water Machine for Industry according to claim 2, is characterized in that: between device for drying and filtering (4) and heating power expansion valve (6), magnetic valve (5) is set.
4. air-cooled circulating Cool-water Machine for Industry according to claim 3, is characterized in that: cooling blower (2) is set on described condenser (3).
5. air-cooled circulating Cool-water Machine for Industry according to claim 4, it is characterized in that: described electric control system comprises the relay be connected with the power circuit of compressor (1), cooling blower (2), water circulating pump (8) respectively, each relay is separately positioned on corresponding relay output interface circuit, and the relay output interface circuit is connected with single-chip microcomputer.
6. air-cooled circulating Cool-water Machine for Industry according to claim 5, it is characterized in that: fluid level controller (13) is set on described water tank (9), and fluid level controller (13) is connected with the single-chip microcomputer in electric control system.
CN201320256439.1U 2013-05-13 2013-05-13 Air-cooled circulating type industrial cold water machine Expired - Fee Related CN203375756U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320256439.1U CN203375756U (en) 2013-05-13 2013-05-13 Air-cooled circulating type industrial cold water machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320256439.1U CN203375756U (en) 2013-05-13 2013-05-13 Air-cooled circulating type industrial cold water machine

Publications (1)

Publication Number Publication Date
CN203375756U true CN203375756U (en) 2014-01-01

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ID=49838282

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108007047A (en) * 2016-10-29 2018-05-08 佛山市原创动力科技有限公司 A kind of rapidly Water-cooling circulating device of environmental protection and energy saving machinery
CN110887260A (en) * 2018-09-11 2020-03-17 苏州菱冷精密设备制造有限公司 Industrial water chiller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108007047A (en) * 2016-10-29 2018-05-08 佛山市原创动力科技有限公司 A kind of rapidly Water-cooling circulating device of environmental protection and energy saving machinery
CN110887260A (en) * 2018-09-11 2020-03-17 苏州菱冷精密设备制造有限公司 Industrial water chiller

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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: 20140101

Termination date: 20160513

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