CN203163321U - Water-cooled constant-temperature water temperature control machine - Google Patents

Water-cooled constant-temperature water temperature control machine Download PDF

Info

Publication number
CN203163321U
CN203163321U CN201320087109.4U CN201320087109U CN203163321U CN 203163321 U CN203163321 U CN 203163321U CN 201320087109 U CN201320087109 U CN 201320087109U CN 203163321 U CN203163321 U CN 203163321U
Authority
CN
China
Prior art keywords
water
expansion valve
pipeline
compressor
evaporimeter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320087109.4U
Other languages
Chinese (zh)
Inventor
马学合
龚熙阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU LOUDA INDUSTRIAL Co Ltd
Original Assignee
HANGZHOU LOUDA INDUSTRIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HANGZHOU LOUDA INDUSTRIAL Co Ltd filed Critical HANGZHOU LOUDA INDUSTRIAL Co Ltd
Priority to CN201320087109.4U priority Critical patent/CN203163321U/en
Application granted granted Critical
Publication of CN203163321U publication Critical patent/CN203163321U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Other Air-Conditioning Systems (AREA)

Abstract

The utility model relates to a water-cooled constant-temperature water temperature control machine. The water-cooled constant-temperature water temperature control machine comprises a compressor, a condenser, expansion valves and an evaporator which are sequentially connected through pipes to form a closed loop. An oil separator is arranged between the compressor and the condenser, and a gas-liquid separator is arranged between the compressor and the evaporator; the expansion valves comprise a first expansion valve and a second expansion valve, wherein the first expansion valve is arranged on the pipe which is connected with the inlet end of the evaporator, and the second expansion valve is arranged on the pipe which is connected with the outlet end of the evaporator; a first electromagnetic valve is correspondingly arranged between the first expansion valve and a refrigerant liquid monitoring scope, and a second electromagnetic valve is correspondingly arranged between the second expansion valve and the refrigerant liquid monitoring scope; and the periphery of the pipe between the evaporator and a user end is provided with an ethylene glycol water solution tank, and a heating unit is arranged inside the ethylene glycol water solution tank. The water-cooled constant-temperature water temperature control machine is simple in structure and effective in anti-freezing, guarantees the safe and reliable operation, avoids the fuel starvation of the compressor, prolongs the service life and meanwhile achieves the aim of constant temperature control precisely.

Description

A kind of water cooled constant temperature Water temp controller
Technical field
The utility model relates to a kind of Water temp controller, especially relates to a kind of water cooled constant temperature Water temp controller.
Background technology
The constant temperature Water temp controller is divided into two parts: heating part and cooling segment, be widely used in injection moulding, and chemical industry, rubber is extruded, reactor, industries such as blowing.The constant temperature Water temp controller can be realized switching mutually enhance production progress and cut down the consumption of energy, and improves the shaping efficiency of product, suppresses the defective of product, reduces the generation of bad product; Automatically accurate temperature controlling unique adds thermal design, and use in the durable suitable different temperature controls of power saving place.
The refrigeration system of Water temp controller is made up of compressor, condenser and evaporimeter, with pipeline they is connected into a sealing system.Refrigerant liquid with low temperature and the object generation heat exchange that is cooled, absorbs heat and the gasification of the object that is cooled in evaporimeter, the low-pressure steam of generation is sucked by compressor, discharges with high pressure after compression.The high-pressure gaseous refrigerant that compressor is discharged advances condenser, by the cooling water of normal temperature or air cooling, condenses into highly pressurised liquid.Throttling when highly pressurised liquid is flowed through expansion valve, become the gas-fluid two-phase mixture of low-pressure low-temperature, enter evaporimeter, the temperature when vaporizing in pipe owing to refrigerant is lower than the temperature outside the evaporator tube, so the outer heat of its energy absorption tube, thereby the medium temperature of the evaporimeter of flowing through is reduced, imitate thereby produce refrigeration cool-down, the sweat cooling in evaporimeter of liquid refrigerants wherein, the low-pressure steam of generation is sucked by compressor again, so go round and begin again, constantly circulation.
Existing constant temperature Water temp controller uses refrigeration principle that water is lowered the temperature, and when temperature is lower than 0 when spending, medium is easily because low temperature and being frozen, and in addition, the oil return situation of compressor reached also less than requiring when compressor moved at worst cold case, easily caused the compressor oil starvation; And the operative liquid cold-producing medium that exists in the compressor return air has very big influence to compressor, not only influences refrigeration, and influences the service life of refrigeration unit.
The utility model content
In order to overcome the deficiency that prior art exists, the utility model provides a kind of water cooled constant temperature Water temp controller.
A kind of water cooled constant temperature Water temp controller, comprising is formed by connecting by pipeline successively seals compressor, condenser, expansion valve and the evaporimeter of loop, described compressor, condenser and evaporimeter are equipped with corresponding entrance point and the port of export, be provided with oil eliminator between described compressor and the condenser, be provided with gas-liquid separator between described evaporimeter and the compressor; Described condenser is along being provided with coolant drying filter and refrigerant liquid-sighting glass on the pipeline of expansion valve direction in turn; Described expansion valve comprises first expansion valve and second expansion valve, described first expansion valve is arranged on the pipeline that links to each other with the evaporator end, described second expansion valve is arranged on the pipeline that links to each other with the evaporator outlet end, be respectively equipped with corresponding first magnetic valve, second magnetic valve between described first expansion valve, second expansion valve and the refrigerant liquid-sighting glass, described evaporimeter is connected to user side and user's backwater end respectively by pipeline, the pipeline periphery that links to each other between described evaporimeter and the user side is provided with the glycol water water tank, is provided with the heating group in the described water tank.
Preferably, be respectively equipped with refrigerant high-low pressure Pressure gauge on the port of export of described compressor and the pipeline that entrance point links to each other, described refrigerant high-low pressure Pressure gauge is connected to the refrigerant dual-pressure controller.
Preferably, the entrance point of described condenser links to each other with the port of export with the entrance point of cooling tower respectively by pipeline with the port of export, and the pipeline that the cooling tower port of export links to each other with the condensator outlet end is provided with first centrifugal pump; Pipeline between the described cooling tower port of export and first centrifugal pump is provided with first water filter.
Preferably, described evaporimeter is continued to use on the pipeline of family extreme direction and is provided with second centrifugal pump and temperature sensor in turn, is provided with second water filter between described evaporimeter and second centrifugal pump.
Preferably, the pipeline that links to each other with compressor inlet of described evaporator outlet end is provided with the refrigerant charging valve.
Preferably, be provided with the discharge switch between described user's backwater end and the evaporimeter.
Preferably, be provided with deicing controllor in the described evaporimeter.
The utility model is simple in structure, adopts the glycol water water tank, the freezing point of water can be reduced, and carries out effectively antifreeze; Adopt oil cooler, guaranteed that Water temp controller moves safely and reliably; The oil eliminator that adds directly is back to compressor after when compressor air-discharging oil therefrom being separated, and guarantees not oil starvation of compressor; Gas-liquid separator then effectively enters compressor with the liquid refrigerant prevention, has prolonged the service life of Water temp controller; Adopt magnetic valve and two expansion valve system, can accurately reach the constant-temperature temperature-control purpose.
Description of drawings
Fig. 1 is operation principle schematic diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but protection domain of the present utility model is not limited to this.
With reference to Fig. 1, a kind of water cooled constant temperature Water temp controller, comprising is formed by connecting by pipeline successively seals compressor 1, condenser 2, expansion valve and the evaporimeter 3 of loop, and described compressor 1, condenser 2 and evaporimeter 3 are equipped with corresponding entrance point and the port of export; Be provided with oil eliminator 4 between described compressor 1 and the condenser 2, be provided with gas-liquid separator 5 between described evaporimeter 3 and the compressor 1; Described condenser 2 is along being provided with coolant drying filter 6 and refrigerant liquid-sighting glass 7 on the pipeline of expansion valve direction in turn; Described expansion valve comprises first expansion valve 8 and second expansion valve 9, described first expansion valve 8 is arranged on the pipeline that links to each other with evaporimeter 3 entrance points, described second expansion valve 9 is arranged on the pipeline that links to each other with evaporimeter 3 ports of export, described first expansion valve 8, be respectively equipped with corresponding first magnetic valve 10 between second expansion valve 9 and the refrigerant liquid-sighting glass 7, second magnetic valve 11, described evaporimeter 3 is connected to user side 12 and user's backwater end 13 respectively by pipeline, the pipeline periphery that links to each other between described evaporimeter 3 and the user side 12 is provided with glycol water water tank 14, is provided with heating group 15 in the described water tank 14.
Be respectively equipped with refrigerant high-low pressure Pressure gauge 16 on the port of export of described compressor 1 and the pipeline that entrance point links to each other, described refrigerant high-low pressure Pressure gauge 16 is connected to refrigerant dual-pressure controller 17.
The entrance point of described condenser 2 links to each other with the port of export with the entrance point of cooling tower 26 respectively by pipeline with the port of export, and the pipeline that cooling tower 26 ports of export link to each other with condenser 2 ports of export is provided with first centrifugal pump 18; Pipeline between described cooling tower 26 ports of export and first centrifugal pump 18 is provided with first water filter 19.Described evaporimeter 3 is provided with second water filter 22 along being provided with second centrifugal pump 20 and temperature sensor 21 on the pipeline of user side 12 directions in turn between described evaporimeter 3 and second centrifugal pump 20.
Described evaporimeter 3 ports of export are provided with refrigerant charging valve 23 with the pipeline that compressor 1 entrance point links to each other, and are provided with discharge switch 24 between described user's backwater end 13 and the evaporimeter 2, are provided with deicing controllor 25 in the described evaporimeter 3.
Described compressor adopts swirl type cold compressor, and described condenser adopts shell-and-tube water condenser, and described evaporimeter adopts dry evaporator.
The water cooled constant temperature Water temp controller uses refrigeration principle that water is lowered the temperature, and when temperature is lower than 0 when spending, medium must carry out antifreeze processing, so we add the ethylene glycol of corresponding proportion in water, with the freezing point reduction of water; And compressor oil return situation of compressor when worst cold case moves does not reach requirement, so the oil eliminator that adds in the system, when compressor air-discharging oil is therefrom separated, and directly is back to the compressor return air mouth, guarantees not oil starvation of compressor; And the operative liquid cold-producing medium that exists in the return-air has very big influence to compressor, and gas-liquid separator is contained on the aspirating air pipe of compressor, effectively liquid refrigerant is stoped to enter compressor.When the user requires to be constant at a certain temperature to water temperature, when precision prescribed is higher, we have added magnetic valve and two expansion valve system in system, when system moves, first magnetic valve that enters evaporimeter keeps starting state, second magnetic valve that enters muffler is then controlled according to temperature deviation by controller, temperature is lower than and starts second magnetic valve when design temperature 0.1 is spent, when being higher than design temperature, temperature stops second magnetic valve, reach the thermostatic control function thus, keeping the constant temperature deviation is positive and negative 0.1~0.5 degree.

Claims (7)

1. water cooled constant temperature Water temp controller comprising that successively described compressor, condenser and evaporimeter are equipped with corresponding entrance point and the port of export by pipeline be formed by connecting compressor, condenser, expansion valve and the evaporimeter of sealing loop; It is characterized in that: be provided with oil eliminator between described compressor and the condenser, be provided with gas-liquid separator between described evaporimeter and the compressor; Described condenser is along being provided with coolant drying filter and refrigerant liquid-sighting glass on the pipeline of expansion valve direction in turn; Described expansion valve comprises first expansion valve and second expansion valve, described first expansion valve is arranged on the pipeline that links to each other with the evaporator end, described second expansion valve is arranged on the pipeline that links to each other with the evaporator outlet end, be respectively equipped with corresponding first magnetic valve, second magnetic valve between described first expansion valve, second expansion valve and the refrigerant liquid-sighting glass, described evaporimeter is connected to user side and user's backwater end respectively by pipeline, the pipeline periphery that links to each other between described evaporimeter and the user side is provided with the glycol water water tank, is provided with the heating group in the described water tank.
2. water cooled constant temperature Water temp controller according to claim 1, it is characterized in that: be respectively equipped with refrigerant high-low pressure Pressure gauge on the port of export of described compressor and the pipeline that entrance point links to each other, described refrigerant high-low pressure Pressure gauge is connected to the refrigerant dual-pressure controller.
3. water cooled constant temperature Water temp controller according to claim 1, it is characterized in that: the entrance point of described condenser links to each other with the port of export with the entrance point of cooling tower respectively by pipeline with the port of export, and the pipeline that the cooling tower port of export links to each other with the condensator outlet end is provided with first centrifugal pump; Pipeline between the described cooling tower port of export and first centrifugal pump is provided with first water filter.
4. water cooled constant temperature Water temp controller according to claim 1, it is characterized in that: described evaporimeter is continued to use on the pipeline of family extreme direction and is provided with second centrifugal pump and temperature sensor in turn, is provided with second water filter between described evaporimeter and second centrifugal pump.
5. water cooled constant temperature Water temp controller according to claim 1, it is characterized in that: the pipeline that described evaporator outlet end links to each other with compressor inlet is provided with the refrigerant charging valve.
6. water cooled constant temperature Water temp controller according to claim 1 is characterized in that: be provided with the discharge switch between described user's backwater end and the evaporimeter.
7. water cooled constant temperature Water temp controller according to claim 1 is characterized in that: be provided with deicing controllor in the described evaporimeter.
CN201320087109.4U 2013-02-26 2013-02-26 Water-cooled constant-temperature water temperature control machine Expired - Fee Related CN203163321U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320087109.4U CN203163321U (en) 2013-02-26 2013-02-26 Water-cooled constant-temperature water temperature control machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320087109.4U CN203163321U (en) 2013-02-26 2013-02-26 Water-cooled constant-temperature water temperature control machine

Publications (1)

Publication Number Publication Date
CN203163321U true CN203163321U (en) 2013-08-28

Family

ID=49024500

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320087109.4U Expired - Fee Related CN203163321U (en) 2013-02-26 2013-02-26 Water-cooled constant-temperature water temperature control machine

Country Status (1)

Country Link
CN (1) CN203163321U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108303445A (en) * 2018-03-20 2018-07-20 爱驰汽车有限公司 Battery pack Performance Test System and the cold and hot Dynamic Simulation system of on-vehicle battery
CN109210813A (en) * 2018-09-25 2019-01-15 武汉虹之彩包装印刷有限公司 A kind of automatically controlled cooling-water machine of water cooling with dual-cycle plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108303445A (en) * 2018-03-20 2018-07-20 爱驰汽车有限公司 Battery pack Performance Test System and the cold and hot Dynamic Simulation system of on-vehicle battery
CN109210813A (en) * 2018-09-25 2019-01-15 武汉虹之彩包装印刷有限公司 A kind of automatically controlled cooling-water machine of water cooling with dual-cycle plant

Similar Documents

Publication Publication Date Title
CN104864621B (en) A kind of four-pipe system Dual-evaporator refrigeration system
CN201503166U (en) Refrigeration heat recovery unit capable of producing high-temperature hot water
CN201047685Y (en) Energy-saving type marine injector refrigerating cycle device
CN208751079U (en) A kind of two alliance hot and cold water heat pump of air-source with the flow direction design of bridge-type refrigerant
CN202835950U (en) Air source heat pump water chilling unit provided with all-season refrigeration function
CN205316778U (en) Cold storage refrigeration system
CN203148105U (en) Screw type air source heat pump hot-cold water unit driven by gas engine
CN203163321U (en) Water-cooled constant-temperature water temperature control machine
CN202382480U (en) Air-injection enthalpy-increasing type heat pump
CN106705494A (en) Air source heat pump energy conservation system with function of preventing air side heat exchanger from freezing
CN201014851Y (en) Dual-segment dual-purpose condenser of refrigerating machine
CN103090590B (en) Gas engine-driven air screw source heat pump refrigerating and heating unit
CN205909559U (en) High accuracy industrial water chilling unit
CN205026983U (en) Take low ambient temperature air source heat pump system of cold loop
CN203880989U (en) Refrigeration cycle self-adaption device
CN203163339U (en) Water-cooled cooling-heating-integrated water temperature control machine
CN100470166C (en) Energy conserving heat exchanging device utilizing refrigerant
CN203501593U (en) Quick cooling cabinet
CN203349414U (en) Air conditioner system
CN201748709U (en) Deicing air source heat pump
CN203163323U (en) Water-cooled screw-type water chiller
CN203163338U (en) Anti-explosion oil temperature controlling machine
CN209541216U (en) The direct condensation by contact cooling cycle system of three-level overlapping
CN202420102U (en) Integral cooling and heating device
CN203274351U (en) Ice slurry cold water heat pump unit

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130828

Termination date: 20150226

EXPY Termination of patent right or utility model