CN206831851U - Energy saver, the environmental test chamber of environmental test chamber - Google Patents
Energy saver, the environmental test chamber of environmental test chamber Download PDFInfo
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- CN206831851U CN206831851U CN201720570366.1U CN201720570366U CN206831851U CN 206831851 U CN206831851 U CN 206831851U CN 201720570366 U CN201720570366 U CN 201720570366U CN 206831851 U CN206831851 U CN 206831851U
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Abstract
The utility model discloses the energy saver and environmental test chamber of a kind of environmental test chamber, wherein, energy saver includes refrigeration system, and the refrigeration system includes compressor, condenser, the first magnetic valve, restricting element, evaporator, second solenoid valve, ice storage unit, ice water circulation water pump and frozen water heat exchanger；The compressor, condenser, the first magnetic valve, restricting element and evaporator series form the first coolant loop；The compressor, condenser, second solenoid valve, ice storage unit connect to form the second coolant loop, the ice storage unit, ice water circulation water pump and frozen water heat exchanger connect to form freezing water-flow circuit, the refrigeration system stores latent heat by the second coolant loop to ice storage unit, and the latent heat of ice storage unit storage is discharged by the freezing water-flow circuit, make to keep constant temperature in the environmental test chamber, the energy emptying during compressor operating is avoided, the energy consumption of environmental test chamber is saved, reduces testing cost.
Description
Technical field
It the utility model is related to detection device technical field, more particularly to the energy saver and environment of a kind of environmental test chamber
Chamber.
Background technology
Environmental test chamber is the weather of the simulating natural environment in effective area of space, treats test product and causes brokenly
It is bad, degree of aging of the detection product under the simulated environment.When simulation low temperature environment detects to product, pass through compressor
Low temperature environment is manufactured in useful space region, but is generated heat due to electric on product to be measured, it is necessary to which compressor is always maintained at opening state
State, it can just make the useful space regional stability in target temperature.Useful space demand is cold when on the other hand, due to keeping constant temperature
Load very little, it is not enough to maintain compressor to work under the minimum load of permission, it is necessary to which the energy that a part of refrigerant is carried is put
Sky, the heat exchange being not involved in the useful space, causes energy dissipation, adds testing cost.
Utility model content
Main purpose of the present utility model is to provide a kind of energy saver of environmental test chamber, it is intended to saves environmental test
The energy consumption of case, reduce testing cost.
To achieve the above object, the utility model proposes energy saver, applied to environmental test chamber, the energy saver
Including refrigeration system,
The refrigeration system include compressor, condenser, the first magnetic valve, restricting element, evaporator, second solenoid valve,
Ice storage unit, ice water circulation water pump and frozen water heat exchanger；
The compressor, condenser, the first magnetic valve, restricting element and evaporator series form the first coolant loop；
The compressor, condenser, second solenoid valve, ice storage unit connect to form the second coolant loop；
The ice storage unit, ice water circulation water pump and frozen water heat exchanger connect to form freezing water-flow circuit；
The refrigeration system stores latent heat by second coolant loop to the ice storage unit, and passes through the freezing
Water-flow circuit discharges the latent heat of the ice storage unit storage, makes to keep constant temperature in the environmental test chamber.
Further, the energy saver also includes heating and controller, the compressor, the first magnetic valve,
Two magnetic valves, ice water circulation water pump and heating are all connected with the controller；
When the environmental test chamber cools, the controller controls the first solenoid valve conduction, second solenoid valve to close, and makes
The high-temperature gas refrigerant obtained from compressor discharge only flows into the first coolant loop；
When the environmental test chamber keeps cryogenic thermostat, the controller controls the first magnetic valve and second solenoid valve to lead
Logical, part refrigerant stores latent heat by the second coolant loop to the ice storage unit；
When the environmental test chamber heats up, the compressor is out of service, the heating operation heating；
When the environmental test chamber keeps high temperature constant temperature, the controller controls the first magnetic valve and second solenoid valve to close
Close, the ice water circulation water pump operation, the latent heat for being stored in the ice storage unit is exchanged to institute by the frozen water heat exchanger
State environmental test chamber.
Further, the energy saver also includes controller, the compressor, the first magnetic valve, ice water circulation water pump
It is all connected with the controller；
When the environmental test chamber cools, the controller controls the first solenoid valve conduction, ice water circulation water pump operation,
While cooling using the first coolant loop to environmental test chamber, the latent heat for being stored in the ice storage unit is passed through into the ice
Water- to-water heat exchanger is exchanged to the environmental test chamber.
Further, the refrigeration system also includes the air compressor machine and the 3rd magnetic valve for connecting the ice storage unit, described
3rd magnetic valve is arranged between the ice storage unit and air compressor machine, and the air compressor machine and the 3rd magnetic valve are all connected with the control
Device, control air compressor machine are filled with compressed air to the ice storage unit.
Further, the refrigeration system also includes the 4th magnetic valve for connecting the frozen water heat exchanger, the 4th electricity
Magnet valve connects the controller, controls the frozen water in the frozen water heat exchanger to flow back to the ice storage unit.
Further, the ice storage unit includes Ice Storage Tank, refrigerant coil pipe, water-locator and water collector, the refrigerant coil pipe
It is evenly arranged in the Ice Storage Tank, the water-locator is arranged at the water inlet of the Ice Storage Tank, will circulate the uniform water conservancy diversion of frozen water
To the outer surface of the refrigerant coil pipe, the water collector is arranged at the delivery port of the Ice Storage Tank, collects refrigerant coil surface
Frozen water is simultaneously guided to the freezing water-flow circuit.
Further, the refrigeration system also includes being arranged at the conductivity sensor of the ice storage unit, described in detection
The ice layer thickness of refrigerant coil pipe outer wall.
Further, the refrigeration system also includes oil eliminator and device for drying and filtering, and the oil eliminator is arranged at institute
State between compressor and condenser, the device for drying and filtering is arranged between the condenser and second solenoid valve.
Another object of the present utility model is to propose a kind of environmental test chamber, and the environmental test chamber includes as described above
Energy saver.
Further, the environmental test chamber also includes the circulating fan for being arranged at the environmental test box top.
Energy saver of the present utility model, applied to environmental test chamber, wherein, energy saver includes refrigeration system, described
Refrigeration system includes compressor, condenser, the first magnetic valve, restricting element, evaporator, second solenoid valve, ice storage unit, frozen water
Water circulating pump and frozen water heat exchanger；The compressor, condenser, the first magnetic valve, restricting element and evaporator series are formed
First coolant loop, cools to environmental test chamber；The compressor, condenser, second solenoid valve, ice storage unit series connection shape
Into the second coolant loop, the ice storage unit, ice water circulation water pump and frozen water heat exchanger connect to form freezing water-flow circuit,
The refrigeration system stores latent heat by second coolant loop to the ice storage unit, and is recycled back to by the chilled water
Road discharges the latent heat of the ice storage unit storage, makes to keep constant temperature in the environmental test chamber, avoids compressor operating process
In energy emptying, save the energy consumption of environmental test chamber, reduce testing cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of refrigeration system one of the energy saver of environmental test chamber of the present utility model；
Fig. 2 is the front view of the embodiment of environmental test chamber one of the present utility model；
Fig. 3 is the rearview of the embodiment of environmental test chamber one of the present utility model.
Drawing reference numeral explanation：
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that specific embodiment described herein is not used to limit this only to explain the utility model
Utility model.
The utility model proposes a kind of energy saver of environmental test chamber.
Reference picture 1, Fig. 1 are the structure of the embodiment of refrigeration system one of the energy saver of environmental test chamber of the present utility model
Schematic diagram.
The energy saver of the present embodiment includes refrigeration system 100, and the refrigeration system 100 includes compressor 10, condenser
30th, the first magnetic valve 60, restricting element 50, evaporator 70, second solenoid valve 80, ice storage unit 90, ice water circulation water pump 91 and
Frozen water heat exchanger 93；
The compressor 10, condenser 30, the first magnetic valve 60, restricting element 50 and the series connection of evaporator 70 form first
Coolant loop；
The compressor 10, condenser 30, second solenoid valve 80, the series connection of ice storage unit 90 form the second coolant loop；
The ice storage unit 90, ice water circulation water pump 91 and the series connection of frozen water heat exchanger 93 form freezing water-flow circuit；
The refrigeration system 100 stores latent heat by second coolant loop to the ice storage unit 90, and passes through institute
State freezing water-flow circuit and discharge the latent heat that the ice storage unit 90 stores, make to keep constant temperature in the environmental test chamber 300.
Referring to figs. 1 to 3, the environmental test chamber 300 includes being used to place the useful space of product to be detected and to described
The energy saver that the useful space is heated up and cooled, the energy saver include the refrigeration to be cooled to the useful space
System 100, the heating to be heated up to the useful space.The top of the environmental test chamber 300 is provided with circulated air
Machine 310, the heating are heated using heater, and heater is made by resistance wire, heating power, circulating fan 310
It is distinguished and admirable in heater strip surface heat exchanging that work forces the air in the useful space to be formed, air themperature rise, so to it is described effectively
Heated up in space；Pipeline of the refrigeration system 100 using refrigerant between compressor, condenser, throttling arrangement, evaporator
Cycle heat exchange, by refrigerant, case changeable heat-absorbing, the work of circulating fan 310 force the air in the useful space to form wind in evaporator
Stream is exchanged heat in evaporator external, and air themperature is reduced, and then the useful space is cooled.
With further reference to Fig. 1 to 3, the environmental test chamber 300 also includes being used to test product being sent into environmental test chamber
The closing door 330 of 300 useful space, the closing door 330 are provided with two, and described two closing doors 330 are arranged at described
300 liang of relative side walls of environmental test chamber, the door handle for being easy to open the closing door 330 is provided with each closing door 330
3301, and it is easy to close the electromagnetic lock 3305 of the closing door 330, each closing door 330 is additionally provided with an observation window 3303, institute
State the center that observation window 3305 is arranged at the closing door 330.The environmental test chamber 300 also includes electric control chamber 350, institute
The useful space for stating electric control chamber 350 and environmental test chamber 300 closes on setting, and the outer side surface of the electric control chamber 350 is provided with tactile
Control screen 3501 and control panel 3503, tester can be by the touch screens 3501 or control panel 3503 to environmental test
Cooling parameters, heating parameter or other operational factors of case 300 are configured, and the top of the electric control chamber 350 is additionally provided with three
Color indicator lamp 370, alarm is carried out to test process.
Referring to figs. 1 to 3, the refrigeration system 100 of the energy saver includes compressor 10, condenser 30, the first magnetic valve
60th, restricting element 50, evaporator 70, second solenoid valve 80, ice storage unit 90, ice water circulation water pump 91 and frozen water heat exchanger 93；
The compressor 10, condenser 30, the first magnetic valve 60, restricting element 50 and the series connection of evaporator 70 form the first coolant loop,
When the environmental test chamber 300 needs low temperature environment, the startup optimization of compressor 10, by the gaseous state of caused HTHP
Refrigerant is sent into condenser 30 and exchanged heat with the air around condenser, discharges heat to extraneous air, while utilize circulated air
The heat of release is discharged environmental test chamber 300 by machine 310, and the refrigerant after condensed device 30 cools throttles into restricting element 50
Decompression forms low temperature liquid refrigerant, absorbs heat of vaporization that extraneous air carries into gaseous refrigerant subsequently into evaporator 70,
Extraneous air is cooled, and then reduces the temperature in the useful space of environmental test chamber 300, is realized in environmental test chamber 300
The useful space in simulation low temperature environment；The compressor 10, condenser 30, second solenoid valve 80, the series connection shape of ice storage unit 90
Into the second coolant loop, when environmental test chamber 300 maintains low temperature environment constant, no longer need compressor 10 full in the useful space
Caused latent heat under loading condiction, the latent heat for now being carried part refrigerant using the second coolant loop are stored in the ice storage unit
90；The ice storage unit 90, ice water circulation water pump 91 and the series connection of frozen water heat exchanger 93 form freezing water-flow circuit, in environment
When chamber 300 maintains hot environment constant, because heat caused by the upper electrical testing of test product can improve in the useful space
Temperature in the useful space, now need using the latent heat treatment that water-flow circuit stores ice storage unit 90 is freezed, to effective
Space is cooled, by ice water circulation water pump by the frozen water of low temperature by frozen water heat exchanger 93 and the hot-air in the useful space
Heat exchange is carried out, and then causes environmental test chamber 300 to keep constant temperature.
The energy saver of environmental test chamber of the present utility model, including refrigeration system 100 and heating, the refrigeration system
System 100 includes compressor 10, condenser 30, the first magnetic valve 60, restricting element 50, evaporator 70, second solenoid valve 80, ice-reserving
Device 90, ice water circulation water pump 91 and frozen water heat exchanger 93；The compressor 10, condenser 30, the first magnetic valve 60, throttling
Element 50 and the series connection of evaporator 70 form the first coolant loop, and environmental test chamber 300 is cooled；It is the compressor 10, cold
Condenser 30, second solenoid valve 80, the series connection of ice storage unit 90 form the second coolant loop, the ice storage unit 90, ice water circulation water
Pump 91 and the series connection of frozen water heat exchanger 93 form freezing water-flow circuit, and the refrigeration system 100 passes through second coolant loop
Latent heat is stored to the ice storage unit 90, and the latent of the storage of ice storage unit 90 is discharged by the freezing water-flow circuit
Heat, make to keep constant temperature in the environmental test chamber 300, avoid the energy emptying in the running of compressor 10, save ring
The energy consumption of border chamber, reduce testing cost.
With further reference to Fig. 1 to 3, the energy saver also includes heating and controller (not shown), the compression
Machine 10, the first magnetic valve 60, second solenoid valve 80, ice water circulation water pump 91 and heating are all connected with the controller；
When the environmental test chamber 300 cools, the controller controls the first magnetic valve 60 to turn on, second solenoid valve 80
Close so that the high-temperature gas refrigerant discharged from compressor 10 only flows into the first coolant loop；
When the environmental test chamber 300 keeps cryogenic thermostat, the controller control the first magnetic valve 60 and the second electricity
Magnet valve 80 turns on, and part refrigerant stores latent heat by the second coolant loop to the ice storage unit 90；
When the environmental test chamber 300 heats up, the compressor 10 is out of service, the heating operation heating；
When the environmental test chamber 300 keeps high temperature constant temperature, the controller control the first magnetic valve 60 and the second electricity
Magnet valve 80 is closed, the ice water circulation water pump 91 is run, and the latent heat for being stored in the ice storage unit 90 is changed by the frozen water
Hot device 93 is exchanged to the environmental test chamber 300.
In the present embodiment, the controller can be master control borad or the JA(junction ambient) examination of environmental test chamber 300
The main frame of tryoff 300, the refrigeration system 100 of the controller control energy saver and heating operation, in environmental test chamber
Simulation low temperature or hot environment in 300 useful space, the functional test under low temperature or hot environment is carried out to product.Needing
Environmental test chamber 300 is cooled, it is necessary to run refrigeration system when simulating low temperature environment, now, first is controlled by controller
Conducted on magnetic valve 60, the power-off of second solenoid valve 80 is closed, the condensed device 30 of high-temperature gas refrigerant discharged from compressor 10
50 further reducing pressure by regulating flow of restricting element is entered by the first magnetic valve 60 after decrease temperature and pressure, finally by evaporator 70 with having
The hot-air imitated in space carries out heat exchange, absorbs the heat of vaporization that hot-air carries and enters compressor 10 again into gaseous coolant
The gaseous coolant of HTHP is compressed into, into subsequent cycle, until environmental test chamber 300 reaches default cryogenic temperature；This
When, because environmental test chamber 300 needs to keep cryogenic thermostat, it is necessary to control compressor 10 with minimum load operation, while will pressure
The part refrigerant that contracting machine 10 does work is not involved in the heat exchange in the useful space of environmental test chamber 300, but the part refrigerant is led to
Cross second solenoid valve 80 to be exchanged heat into ice storage unit 90, the latent heat that the part refrigerant carries is stored in the ice storage unit
90, the part refrigerant carries out heat exchange in ice storage unit 90 with the water in ice storage unit 90, absorbs the heat in water, makes its temperature
Degree reduction is congealed into ice, and the part refrigerant is stored in heat is carried in the frozen water of ice storage unit 90 in the form of the latent heat of condensation.
, it is necessary to the test environment of switch test product after environmental test chamber 300 is kept for the low temperature constant preset time, now
Need the low temperature environment in the useful space of environmental test chamber 300 switching to hot environment, namely environmental test chamber 300 is entered
Row heating, at this time, it may be necessary to control refrigeration system out of service, heating startup optimization, namely control compressor 10 stop fortune
OK, heater heating power is controlled, it is distinguished and admirable on heater strip surface that the work of circulating fan 310 forces the air in the useful space to be formed
Heat exchange, air themperature rise, and then the useful space is heated up, until environmental test chamber 300 reaches default high temperature
Temperature, typically it is set in 25 DEG C；Now, because environmental test chamber 300 needs to keep high temperature constant temperature, but electrical measurement in test product
Certain heat can be produced during examination, but the partial heat is not enough to maintain compressor 10 with minimum load operation, the control again
Device processed controls the first magnetic valve 60 and second solenoid valve 80 is closed, the ice water circulation water pump 91 is run, and will be stored in the storage
The latent heat of ice production apparatus 90 is exchanged to the environmental test chamber 300, by the way that frozen water is passed through into frozen water by the frozen water heat exchanger 93
Heat exchanger 93 carries out heat exchange with the high temperature air in environmental test chamber 300, realizes to the waste heat in environmental test chamber 300
Cooled so that environmental test chamber 300 keeps default high-temperature temperature constant, and the ice water circulation water pump 91 has frequency conversion work(
Can, by the frozen water flow of VFC inflow frozen water heat exchanger 93, in the useful space of accurate control environmental test chamber 300
Air themperature, in addition, the pipeline between ice water circulation water pump 91 and frozen water heat exchanger 93 is additionally provided with entering water electromagnetic valve 97.
Further, the energy saver also includes controller (not shown), the compressor 10, the first magnetic valve 60,
Ice water circulation water pump 91 is all connected with the controller；
When the environmental test chamber 300 cools, the controller controls the first magnetic valve 60 to turn on, ice water circulation water pump
91 operations, while using the first coolant loop to environmental test chamber cooling 300, the latent of the ice storage unit 90 will be stored in
Heat is exchanged to the environmental test chamber 300 by the frozen water heat exchanger 93.
In the present embodiment, it is special in the environmental test chamber 300 alternately cyclic process of simulation low temperature environment and hot environment
It is not that high temperature during environmental test chamber 300 is from high temperature rapid drawdown to low temperature, namely more than 20 DEG C is down to less than 20 DEG C
Low temperature when, done work caused energy consumption to reduce compressor 10, can also using the first coolant loop to environmental test chamber
While 300 cooling, the latent heat of condensation that ice water circulation water pump 91 stores the frozen water in ice storage unit 90 is opened, is changed by frozen water
Hot device 93 is discharged into environmental test chamber 300 so that environmental test chamber 300 now utilizes the first coolant loop and freezing simultaneously
Water-flow circuit carries out acceleration cooling, can further reduce the acting of compressor 10, saves energy consumption.
Further, referring to figs. 1 to 3, the refrigeration system 100 also includes the air compressor machine 94 for connecting the ice storage unit 90
With the 3rd magnetic valve 92, the 3rd magnetic valve 92 is arranged between the ice storage unit 90 and air compressor machine 94, the air compressor machine
94 and the 3rd magnetic valve 92 be all connected with the controller, in the 90 ice-reserving energy storage of ice storage unit, control air compressor machine 94 is to institute
State ice storage unit 90 and be filled with compressed air.
In the present embodiment, the refrigeration system 100 also includes the magnetic valve 92 of air compressor machine 94 and the 3rd, the air compressor machine 94
The ice storage unit 90 is connected by the 3rd magnetic valve 92, the magnetic valve 92 of air compressor machine 94 and the 3rd is all connected with environmental test chamber
300 controller, when environmental test chamber 300 keeps cryogenic thermostat, refrigeration system 100 is filled by the second coolant loop to ice-reserving
90 carry out ice-reserving energy storage are put, the water that refrigerant is absorbed in ice storage unit 90 makes its temperature be down to freezing point, and aqueous water congeals into ice, storage
The latent heat that refrigerant carries, in order that aqueous water is uniform in the ice layer thickness that the outside wall surface of the refrigerant coil pipe of ice storage unit 90 condenses,
Need to control and conducted on the 3rd magnetic valve 92, while control air compressor machine 94 to pour compressed air to the ice storage unit 90, it is right
Aqueous water in ice storage unit 90 is disturbed.
Further, referring to figs. 1 to 3, the refrigeration system 100 also includes the 4th electricity for connecting the frozen water heat exchanger 93
Magnet valve 95, the 4th magnetic valve 95 connect the controller, control the frozen water in the frozen water heat exchanger 93 to flow back to described
Ice storage unit 90.
In the present embodiment, environmental test chamber 300 is during keeping high temperature constant, in fact it could happen that empty in the useful space
When temperature degree is close to frozen water temperature or less than frozen water temperature, the frozen water in frozen water heat exchanger 93 becomes unnecessary load, and has
Icing frost heave causes the possibility of heat-exchanger copper tracheal rupture, now needs to control ice water circulation water pump out of service, entering water electromagnetic valve
97 close, and control and are conducted on the 4th magnetic valve 95, the air pressure in increase frozen water heat exchanger 93, make the ice in frozen water heat exchanger 93
Water flows back to the ice storage unit 90 by the ice water circulation water pump 91 that acts through of Action of Gravity Field or external atmospheric pressure.
Further, the ice storage unit 90 includes Ice Storage Tank, refrigerant coil pipe, water-locator and water collector, the refrigerant disk
Pipe is evenly arranged in the Ice Storage Tank, and the water-locator is arranged at the water inlet of the Ice Storage Tank, and circulation frozen water is uniformly led
The outer surface of the refrigerant coil pipe is flow to, the water collector is arranged at the delivery port of the Ice Storage Tank, collects refrigerant coil surface
Frozen water and be guided to the freezing water-flow circuit.
In the present embodiment, the ice storage unit 90 includes Ice Storage Tank, refrigerant coil pipe, water-locator, water collector, the ice-reserving
Groove is used to hold aqueous water, and to be exchanged heat with the refrigerant in refrigerant coil pipe, the refrigerant coil pipe is evenly arranged in the storage
In ice bank, to realize uniform heat exchange with the aqueous water in Ice Storage Tank, the refrigerant coil pipe can be aluminum pipe or copper pipe, in this reality
It is preferably copper pipe to apply in example, and in ice water circulation, circulation frozen water is flowed uniformly through in the cross section of ice storage unit 90 by water-locator
The outer surface of every refrigerant coil pipe so that the outer wall ice-melt of refrigerant coil pipe is uniform, while circulates frozen water and stored by water collector
The cross section of ice production apparatus 90, which discusses position frozen water warmly, can enter freezing water-flow circuit so that refrigerant coil pipe outside wall surface ice-melt is uniform.
Further, the refrigeration system 100 (is not schemed also including being arranged at the conductivity sensor of the ice storage unit 90
Show), the ice layer thickness of the refrigerant coil pipe outer wall is detected, when the ice sheet for detecting refrigerant coil pipe outer wall reaches preset thickness,
Control second solenoid valve 80 is closed, and in order to which follow-up ice-melt operates, and is prevented that the ice sheet of refrigerant coil pipe outside wall surface is blocked up, is made
Ruptured into refrigerant coil pipe.
Further, referring to figs. 1 to 3, the refrigeration system 100 also includes oil eliminator 20 and device for drying and filtering 40, institute
Oil eliminator 20 is stated to be arranged between the compressor 10 and condenser 30, it is main to use with refrigerant circulation to the fuel feeding of compressor 10
Lubrication and cooling in compressor 10, the device for drying and filtering 40 are arranged between the condenser 30 and second solenoid valve 80,
Mainly prevent liquid refrigerants from entering compressor 10, compressor 10 is damaged.
The utility model is it is further proposed that a kind of environmental test chamber.
Reference picture Fig. 2 and 3, in the present embodiment, environmental test chamber 300 include energy saver as described above and set
Circulating fan 310 (not shown) in the top of environmental test chamber 300.
In the present embodiment, the energy saver includes refrigeration system 100 and heating, and the refrigeration system 100 is wrapped
Include compressor 10, condenser 30, the first magnetic valve 60, restricting element 50, evaporator 70, second solenoid valve 80, ice storage unit 90,
Ice water circulation water pump 91 and frozen water heat exchanger 93；The compressor 10, condenser 30, the first magnetic valve 60, restricting element 50,
And the series connection of evaporator 70 forms the first coolant loop, and environmental test chamber 300 is cooled；The compressor 10, condenser 30,
Second solenoid valve 80, ice storage unit 90 series connection formed the second coolant loop, the ice storage unit 90, ice water circulation water pump 91 and
The series connection of frozen water heat exchanger 93 forms freezing water-flow circuit, and the refrigeration system 100 is by second coolant loop to described
Ice storage unit 90 stores latent heat, and the latent heat of the storage of ice storage unit 90 is discharged by the freezing water-flow circuit, makes institute
State and constant temperature kept in environmental test chamber 300, avoid the energy emptying in the running of compressor 10, save energy resource consumption,
Reduce testing cost.The circulating fan 310 is arranged at the top of the environmental test chamber 300, is mainly used in forcing effectively
Air in space formed it is distinguished and admirable exchanged heat in evaporator external, air themperature reduces, and then to the effective of environmental test chamber 300
Space is cooled, or to force the air in the useful space to be formed distinguished and admirable in heater strip surface heat exchanging, air themperature rise, is entered
And the useful space of environmental test chamber 300 is heated up.
The invention also discloses the control mode of environmental test chamber 300, specifically include：
When detecting that the environmental test chamber 300 is started shooting, the circulating fan 310 is controlled to open；
When receiving Product checking instruction, control the refrigeration system by the first coolant loop to the environmental test
Case 300 is cooled；
When temperature in the environmental test chamber 300 is down to the first preset temperature, the refrigeration system is controlled by
Two coolant loops store latent heat to the ice storage unit；
After preset time, control the refrigeration system out of service, control the heating operation to the environment
Chamber 300 is heated up；
When temperature in the environmental test chamber 300 rises to the second preset temperature, the ice water circulation water pump is controlled to transport
OK, the latent heat for being stored in the ice storage unit is exchanged to the environmental test chamber 300 by the frozen water heat exchanger.
In the present embodiment, the circulating fan 310 is opened when environmental test chamber 300 is started shooting, namely environmental test chamber
While establishing machine on 300 by cable, circulating fan 310 also opens operation immediately.
With further reference to Fig. 1, the refrigeration system 100 of the controller control environmental test chamber 300 and heating operation,
Low temperature or hot environment are simulated in the useful space of environmental test chamber 300, the work(under low temperature or hot environment is carried out to product
Can test.When receiving Product checking instruction, control refrigeration system is by the first coolant loop to the environmental test chamber 300
Cooled, namely low temperature environment is simulated according to the control program pre-set, now, the first magnetic valve 60 is controlled by controller
On conduct, second solenoid valve 80 power-off close, from compressor 10 discharge the condensed decrease temperature and pressure of device 30 of high-temperature gas refrigerant
50 further reducing pressure by regulating flow of restricting element is entered by the first magnetic valve 60 afterwards, finally by evaporator 70 and the useful space
Hot-air carry out heat exchange, absorb hot-air carry heat of vaporization re-compress into height into gaseous coolant into compressor 10
The gaseous coolant of warm high pressure, into subsequent cycle, until the temperature in environmental test chamber 300 is down to the first preset temperature；Now,
Because environmental test chamber 300 needs to keep the first pre-set temperature constant, it is necessary to control compressor 10 with minimum load operation, simultaneously
Part refrigerant after control compressor 10 does work is not involved in heat exchange in the useful space of environmental test chamber 300, but by the portion
Divide refrigerant to be exchanged heat by second solenoid valve 80 into ice storage unit 90, the latent heat that the part refrigerant carries is stored in the storage
Ice production apparatus 90, the part refrigerant carry out heat exchange in ice storage unit 90 with the water in ice storage unit 90, absorb the heat in water,
Reduce its temperature to congeal into ice, the part refrigerant is stored in the ice of ice storage unit 90 by heat is carried in the form of the latent heat of condensation
In water.
, it is necessary to the test of switch test product after environmental test chamber 300 maintains the first pre-set temperature constant preset time
Environment, now need the low temperature environment in the useful space of environmental test chamber 300 switching to hot environment, namely environment is tried
Tryoff 300 is heated up, at this time, it may be necessary to control refrigeration system out of service, heating startup optimization, namely control compressor
10 is out of service, controls heater heating power, it is distinguished and admirable in heater strip that circulating fan 310 forces the air in the useful space to be formed
Surface heat exchanging, air themperature rise, and then the useful space is heated up, until in the temperature in environmental test chamber 300
The second preset temperature is risen to, is typically set in 25 DEG C；Now, because environmental test chamber 300 needs to keep the second preset temperature permanent
It is fixed, but certain heat can be produced in test product during electrical testing, and also the partial heat is not enough to maintain compressor 10 again
With minimum load operation, the controller controls the first magnetic valve 60 and second solenoid valve 80 is closed, the ice water circulation water pump
91 operations, the latent heat for being stored in the ice storage unit 90 is exchanged to the environmental test chamber by the frozen water heat exchanger 93
300, heat exchange is carried out with the high temperature air in environmental test chamber 300 by the way that frozen water is passed through into frozen water heat exchanger 93, is realized to ring
Waste heat in border chamber 300 is cooled so that environmental test chamber 300 maintains the second pre-set temperature constant, the ice
Water circulation water pump 91 has frequency conversion function, and the frozen water flow of frozen water heat exchanger 93 is flowed into by VFC, accurately controls environment
Air themperature in the useful space of chamber 300.
Environmental test chamber 300 of the present utility model, by the first coolant loop by the temperature in the environmental test chamber 300
After being down to the first preset temperature, latent heat is stored to the ice storage unit using the second coolant loop, in environmental test chamber 300
After temperature rises to the second preset temperature, the latent heat of the ice storage unit storage is discharged by the freezing water-flow circuit, makes institute
State and the second pre-set temperature constant is kept in environmental test chamber 300, avoid the energy emptying during compressor operating, save
Energy resource consumption, reduce testing cost.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
- A kind of 1. energy saver of environmental test chamber, it is characterised in that the energy saver includes refrigeration system,The refrigeration system includes compressor, condenser, the first magnetic valve, restricting element, evaporator, second solenoid valve, ice-reserving Device, ice water circulation water pump and frozen water heat exchanger；The compressor, condenser, the first magnetic valve, restricting element and evaporator series form the first coolant loop；The compressor, condenser, second solenoid valve, ice storage unit connect to form the second coolant loop；The ice storage unit, ice water circulation water pump and frozen water heat exchanger connect to form freezing water-flow circuit；The refrigeration system stores latent heat by second coolant loop to the ice storage unit, and is followed by the chilled water Loop back path discharges the latent heat of the ice storage unit storage, makes to keep constant temperature in the environmental test chamber.
- 2. energy saver according to claim 1, it is characterised in that the energy saver also includes heating and control Device, the compressor, the first magnetic valve, second solenoid valve, ice water circulation water pump and heating are all connected with the controller；When the environmental test chamber cools, the controller controls the first solenoid valve conduction, second solenoid valve to close so that from The high-temperature gas refrigerant of compressor discharge only flows into the first coolant loop；When the environmental test chamber keeps cryogenic thermostat, the controller controls the first magnetic valve and second solenoid valve conducting, Part refrigerant stores latent heat by the second coolant loop to the ice storage unit；When the environmental test chamber heats up, the compressor is out of service, the heating operation heating；When the environmental test chamber keeps high temperature constant temperature, the controller controls the first magnetic valve and second solenoid valve is closed, The ice water circulation water pump operation, the latent heat for being stored in the ice storage unit is exchanged to the ring by the frozen water heat exchanger Border chamber.
- 3. energy saver according to claim 1, it is characterised in that the energy saver also includes controller, the pressure Contracting machine, the first magnetic valve, ice water circulation water pump are all connected with the controller；When the environmental test chamber cools, the controller controls the first solenoid valve conduction, ice water circulation water pump operation, in profit While cooling with the first coolant loop to environmental test chamber, the latent heat for being stored in the ice storage unit is changed by the frozen water Hot device is exchanged to the environmental test chamber.
- 4. energy saver according to claim 2, it is characterised in that the refrigeration system also includes connecting the ice-reserving dress The air compressor machine and the 3rd magnetic valve put, the 3rd magnetic valve are arranged between the ice storage unit and air compressor machine, the pneumatics Machine and the 3rd magnetic valve are all connected with the controller, and control air compressor machine is filled with compressed air to the ice storage unit.
- 5. energy saver according to claim 2, it is characterised in that the refrigeration system also includes the connection frozen water and changed 4th magnetic valve of hot device, the 4th magnetic valve connect the controller, control the frozen water in the frozen water heat exchanger to flow backwards Return the ice storage unit.
- 6. energy saver according to claim 1, it is characterised in that the ice storage unit include Ice Storage Tank, refrigerant coil pipe, Water-locator and water collector, the refrigerant coil pipe are evenly arranged in the Ice Storage Tank, and the water-locator is arranged at the Ice Storage Tank Water inlet, frozen water will be circulated and be uniformly guided to the outer surface of the refrigerant coil pipe, the water collector is arranged at the Ice Storage Tank Delivery port, collect refrigerant coil surface frozen water simultaneously be guided to the freezing water-flow circuit.
- 7. energy saver according to claim 6, it is characterised in that the refrigeration system also includes being arranged at the ice-reserving The conductivity sensor of device, detect the ice layer thickness of the refrigerant coil pipe outer wall.
- 8. energy saver according to claim 1, it is characterised in that the refrigeration system also includes oil eliminator and drying Filter, the oil eliminator are arranged between the compressor and condenser, and the device for drying and filtering is arranged at the condensation Between device and second solenoid valve.
- 9. a kind of environmental test chamber, it is characterised in that the environmental test chamber includes the energy-conservation as described in claim any one of 1-8 Device.
- 10. environmental test chamber according to claim 9, it is characterised in that the environmental test chamber also includes being arranged at institute State the circulating fan of environmental test box top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570366.1U CN206831851U (en) | 2017-05-19 | 2017-05-19 | Energy saver, the environmental test chamber of environmental test chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570366.1U CN206831851U (en) | 2017-05-19 | 2017-05-19 | Energy saver, the environmental test chamber of environmental test chamber |
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| Publication Number | Publication Date |
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| CN206831851U true CN206831851U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720570366.1U Expired - Fee Related CN206831851U (en) | 2017-05-19 | 2017-05-19 | Energy saver, the environmental test chamber of environmental test chamber |
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| Country | Link |
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| CN (1) | CN206831851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144037A (en) * | 2017-05-19 | 2017-09-08 | 深圳市大稳科技有限公司 | Energy saver, environmental test chamber and its control method of environmental test chamber |
-
2017
- 2017-05-19 CN CN201720570366.1U patent/CN206831851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144037A (en) * | 2017-05-19 | 2017-09-08 | 深圳市大稳科技有限公司 | Energy saver, environmental test chamber and its control method of environmental test chamber |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20180519 |