CN106765916A - Temperature control system and temprature control method - Google Patents
Temperature control system and temprature control method Download PDFInfo
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- CN106765916A CN106765916A CN201611115804.1A CN201611115804A CN106765916A CN 106765916 A CN106765916 A CN 106765916A CN 201611115804 A CN201611115804 A CN 201611115804A CN 106765916 A CN106765916 A CN 106765916A
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- storage
- heat exchanger
- regulating device
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- 238000000034 method Methods 0.000 title claims description 26
- 238000003860 storage Methods 0.000 claims abstract description 205
- 230000001105 regulatory effect Effects 0.000 claims abstract description 102
- 238000001816 cooling Methods 0.000 claims abstract description 75
- 238000009825 accumulation Methods 0.000 claims abstract description 71
- 238000005057 refrigeration Methods 0.000 claims abstract description 54
- 230000001172 regenerating effect Effects 0.000 claims abstract description 53
- 239000000126 substance Substances 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 230000001276 controlling effect Effects 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000010025 steaming Methods 0.000 claims description 2
- 238000004134 energy conservation Methods 0.000 abstract description 7
- 238000007710 freezing Methods 0.000 abstract description 7
- 230000008014 freezing Effects 0.000 abstract description 7
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000011084 recovery Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/24—Storage receiver heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The present invention provides temperature control system, including：Cold-storage device, regenerative apparatus and temperature regulating device, regenerative apparatus are connected with regenerative apparatus with the temperature regulating device, and system also includes the power set being connected with temperature regulating device, the heating heat exchanger of cooling heat exchanger and regenerative apparatus in temperature regulating device including cold-storage device；Cold-storage device includes cold-storage working substance container and the cold-storage heat-exchanger being connected with cold-storage working substance container, and cold-storage heat-exchanger is connected with cooling heat exchanger, and cooling heat exchanger is connected with the cold-storage working substance container, and cooling heat exchanger is connected with the power set；Regenerative apparatus includes accumulation of heat working medium container, and connection accumulation of heat working medium container and power set first exhaust end heat exchanger, accumulation of heat working medium container is connected with heating heat exchanger.The load of cooling tower etc. is which decreased, surplus refrigerating capacity when cold-storage device is by freezing reduces temperature, stores cryogenic energy, after the temperature of cold-storage device reaches default temperature, gives refrigeration plant cooling, reaches the purpose of energy-conservation.
Description
Technical field
The present invention relates to technical field of temperature control, in particular, it is related to a kind of temperature control system and temperature control
Method.
Background technology
So far, most of refrigeration plant uses compressor mechanical refrigeration mode.When temperature of the temperature close to setting,
Main refrigerating circuit starts intermittent opening, and refrigerant begins through thermal bypass circulation.Closer to setting value, when refrigeration main road works
Between it is shorter.Kept for the stage in low temperature, equilibrium temperature control system is come due to the refrigerating capacity for only needing to very little and is handed over surrounding environment heat
The heat for changing and obtaining, most of the time compressor is all idle running, and refrigerant major part is circulated by heat bypass.By becoming
Frequency device can change the revolution of compressor electric motor, with energy saving, but can not popularize for various reasons, especially high-power
Compressor assembly.
Therefore, how to provide a kind of scope of application wider array of temperature control system, with energy saving, as urgent need to resolve
Problem.
The content of the invention
Present solution provides a kind of wider array of temperature control system of the scope of application is provided, with energy saving.
The purpose of this programme is achieved through the following technical solutions：
Temperature control system, including：Cold-storage device, regenerative apparatus and temperature regulating device, the cold-storage device and regenerative apparatus with
The temperature regulating device is connected, and the temperature control system also includes the power set being connected with temperature regulating device, the temperature regulating device
The heating heat exchanger of interior cooling heat exchanger and regenerative apparatus including cold-storage device；The cold-storage device includes cold-storage working substance container
And the cold-storage heat-exchanger being connected with cold-storage working substance container, the cold-storage heat-exchanger is connected with cooling heat exchanger, the cooling heat exchange
Device is connected with the cold-storage working substance container, and the cooling heat exchanger is connected with the power set；The regenerative apparatus includes storing
Hot working fluid container, and connect the first exhaust end heat exchanger of the accumulation of heat working medium container and power set, the accumulation of heat working medium
Container is connected with the heating heat exchanger.
Preferably, system further includes cryogenic refrigerating unit, and cryogenic refrigerating unit includes what is be connected with cooling heat exchanger
Low-temperature condenser, low-temperature condenser is all connected with cold-storage working substance container and cold-storage heat-exchanger, cooling heat exchanger and low-temperature condenser
Between be provided with cryogenic compressor connection.Cooling heat exchanger so in temperature regulating device can just be made by cryogenic refrigerating unit
Cold, operating efficiency is higher.
Preferably, humidification water- to-water heat exchanger connection, the humidification water are additionally provided between accumulation of heat working medium container and heating heat exchanger
Heat exchanger is used for preheating and humidifying water.Can thus be humidified during humidity deficit in temperature regulating device.
Preferably, cold-storage working substance container includes working medium container after working medium container before cold-storage and cold-storage, cold-storage heat-exchanger and storage
Cold rear working medium container connection, cooling heat exchanger is connected with working medium container before cold-storage, after cold-storage heat-exchanger and cold-storage working medium container it
Between be provided with cold-storage working substance pump connection；System is additionally provided with cryogenic condensation heat exchanger and is connected with working medium container before cold-storage.Can so allow
The working medium after working medium and cold-storage before cold-storage is stored separately, convenient management, also reduces the loss of energy.
Preferably, accumulation of heat working medium container includes working medium container after working medium container before accumulation of heat and accumulation of heat, the heat exchange of first exhaust end
Device is connected with working medium container after accumulation of heat, and heating heat exchanger is connected with working medium container before accumulation of heat.The working medium that can so allow before accumulation of heat
It is stored separately with the working medium after cold-storage, convenient management also reduces the loss of energy.
Temprature control method disclosed in this programme, including：
Cold-storage device obtains the cryogenic energy that the compressor refrigeration system of lowest temperature is discharged, and default temperature is reached to cold-storage device
Degree；
The temperature of temperature regulating device is detected, if the temperature of temperature regulating device reaches threshold value, cold-storage device is by cooling heat exchanger to control
Warm device discharges cryogenic energy；
Stop the operation of high-temperature level compressor assembly, freezed to low-temperature level compressor assembly by cold-storage device, low-temperature level is freezed
Agent is condensed；Or/and
Regenerative apparatus obtains the high temperature energy of compressor air-discharging end release；
Temperature in detection regenerative apparatus, if the temperature in regenerative apparatus reaches compressor air-discharging end temperature or compressor air-discharging end
Temperature stops obtaining high temperature energy less than the temperature in regenerative apparatus, then regenerative apparatus；
The temperature of temperature regulating device is detected, if the temperature of temperature regulating device reaches threshold value, regenerative apparatus is by heating heat exchanger to control
Warm device discharges high temperature energy.
Preferably, method is further included：The humidity of temperature regulating device is detected, if the humidity of temperature regulating device reaches threshold value,
Cold-storage device discharges cryogenic energy by cooling heat exchanger to temperature regulating device；Or/and
The humidity of temperature regulating device is detected, if the humidity of temperature regulating device reaches threshold value, regenerative apparatus is by humidifying water- to-water heat exchanger pair
Humidification water is preheated.
Preferably, if the temperature in temperature regulating device reaches threshold value, cold-storage device is by cooling heat exchanger to temperature control
The step of device release cryogenic energy, further includes：Stop the operation of all compressor assemblies, only by cold-storage device to control
Refrigeration in warm equipment.
Preferably, if the temperature in temperature regulating device reaches threshold value, cold-storage device is by cooling heat exchanger to temperature control
The step of device release cryogenic energy, further includes：Stop the operation of superposition type compressor, cold-storage device gives small-power pressure
The condenser refrigeration of contracting machine system, is freezed by the evaporator of baby compressor system to temperature controlling instruments.
Preferably, methods described is applied to shermal shock test chamber, the heating heat exchanger or/and cooling heat exchanger position
In the porch in air channel.
Temperature control system in this programme is due to including：Cold-storage device, regenerative apparatus and temperature regulating device, regenerative apparatus with
Regenerative apparatus is connected with temperature regulating device, and system also includes the power set being connected with temperature regulating device, and temperature regulating device includes cooling
Heat exchanger and heating heat exchanger；Cold-storage device includes cold-storage working substance container and the cold-storage heat-exchanger being connected with cold-storage working substance container,
Cold-storage heat-exchanger is connected with cooling heat exchanger, and cooling heat exchanger is connected with cold-storage working substance container, cooling heat exchanger and power set
Connection；Regenerative apparatus includes accumulation of heat working medium container, and connection accumulation of heat working medium container exchanges heat with the first exhaust end of power set
Device, accumulation of heat working medium container is connected with heating heat exchanger.Adopt in this way, regenerative apparatus just can be by the exhaust of refrigeration compressor
End provides heat, and during refrigerating operaton, accumulation of heat working medium is absorbed by being arranged on the first exhaust end heat exchanger of power set
The heat of the exhaust end of refrigeration compressor is simultaneously stored, and then when heating is needed, is heated by the working medium in regenerative apparatus, no
The load of the systems such as cooling tower is reduced by only, the purpose of energy-conservation is also reached；Surplus refrigerating capacity when cold-storage device is by freezing is come
Temperature is reduced, cryogenic energy is stored, after the temperature of cold-storage device reaches default temperature, can select to be dropped to refrigeration plant
Temperature, reaches the purpose of energy-conservation.The load of the systems such as cooling tower is which decreased, surplus refrigerating capacity when cold-storage device is by freezing
To reduce temperature, it is also possible to before the startup of temperature controlling instruments temperature control, start temperature controlling instruments refrigeration system, individually cool down cold accumulation system,
Storage cryogenic energy, after the temperature of cold-storage device reaches default temperature, gives refrigeration plant cooling, reaches the purpose of energy-conservation.
Brief description of the drawings
Fig. 1 is a kind of exemplary plot of temperature control system provided in an embodiment of the present invention；
Fig. 2 is the exemplary plot of another temperature control system provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of another temperature control system provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of another temperature control system provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of cold-storage device provided in an embodiment of the present invention；
Fig. 6 is the structural representation of regenerative apparatus provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another cold-storage device provided in an embodiment of the present invention；
Fig. 8 is the attachment structure schematic diagram of cold-storage working substance container provided in an embodiment of the present invention；
Fig. 9 is the attachment structure schematic diagram of accumulation of heat working medium container provided in an embodiment of the present invention.
Wherein：1- cold-storage working substance containers, 2- cold-storage working substance temperature sensors, 3- cooling circuit valves, 4- cold-storage working substance pumps,
5- temperature regulating devices loop valve, 6- temperature regulating devices, 7- cooling heat exchangers, the main refrigerating circuit valve of 8- temperature regulating devices, 9- is cooled back
Road valve, the compressors of 10- first, the condensers of 11- first, 12- first exhausts end heat exchanger, 13- heat absorption loop valves, 14- stores
Hot working fluid pump, 15- accumulation of heat working medium containers, 16- accumulation of heat Temperature of Working sensors, 17- heating circuit valves, 18- heating heat exchangers,
19- main evaporators, 20- cold-storage heat-exchangers, 21- cryogenic compressors, 22- low temperature major loop valves, 23- low-temperature condensers, 24- pressures
Contracting machine loop valve, 25- low-temperature level condensing heat exchangers, the main refrigerating circuit valve of 26- high-temperature levels, the compressors of 27- second, 28-
Two exhaust end heat exchangers, 29- humidification loop valves, 30- humidification water- to-water heat exchangers, the condensers of 31- second, working medium is held after 33- cold-storages
Device, working medium container before 34- cold-storages, container valve after 35- cold-storages, working medium container valve before 36- cold-storages, working medium is held after 37- accumulation of heats
Device, working medium container before 38- accumulation of heats, container valve after 39- accumulation of heats, 40- humidification heat exchangers loop valve, container value before 41- accumulation of heats
Door.
Specific embodiment
In the description of the present embodiment, it is to be understood that term " " center ", " transverse direction ", " on ", D score, " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are based on shown in the drawings
Orientation or position relationship, are for only for ease of description the present embodiment and simplify description, rather than the device for indicating or implying meaning
Or element there is specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the present embodiment.This
Outward, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance or implicit finger
The quantity of bright indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or implicitly include
One or more this feature.In the description of the present embodiment, unless otherwise indicated, " multiple " is meant that two or two
More than.In addition, term " including " and its any deformation, it is intended that covering is non-exclusive to be included.
, it is necessary to illustrate in the description of the present embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or integratedly connect
Connect；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can
Being two connections of element internal.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present embodiment.
The present embodiment is described further with preferred embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the present embodiment discloses a kind of temperature control system, including：Cold-storage device, regenerative apparatus and temperature control dress
6 are put, cold-storage device is connected with regenerative apparatus with temperature regulating device 6, system also includes the power set being connected with temperature regulating device 6,
Temperature regulating device 6 includes cooling heat exchanger 7 and heating heat exchanger 18；Cold-storage device includes cold-storage working substance container 1 and and cold-storage working substance
The cold-storage heat-exchanger 20 of the connection of container 1, cold-storage heat-exchanger 20 is connected with cooling heat exchanger 7, and cooling heat exchanger 7 is held with cold-storage working substance
Device 1 is connected, and cooling heat exchanger 7 is connected with power set；Regenerative apparatus includes accumulation of heat working medium container 15, and connection accumulation of heat working medium
The first exhaust end heat exchanger 12 of container 15 and power set, accumulation of heat working medium container 15 is connected with heating heat exchanger 18.
Adopt in this way, regenerative apparatus just can provide heat by the exhaust end of refrigeration compressor, in refrigerating operaton mistake
Cheng Zhong, accumulation of heat working medium by being arranged on the first exhaust end heat exchanger 12 of power set, the exhaust end of absorption refrigeration compressor
Heat is simultaneously stored, and then when heating is needed, is heated by the working medium in regenerative apparatus, not only reduces the systems such as cooling tower
Load, also reach the purpose of energy-conservation；Surplus refrigerating capacity when cold-storage device is by freezing reduces temperature, stores low temperature energy
Amount, after the temperature of cold-storage device reaches default temperature, can select to lower the temperature to refrigeration plant, reach the purpose of energy-conservation.
Example in the present embodiment, as shown in figure 1, temperature regulating device 6 also includes main evaporator 19, power set include first
Compressor 10, main evaporator 19 is connected with the first compressor 10, and power set are additionally provided with the first condenser 11 and the first compression
Machine 10 is connected, and the first condenser 11 is connected with main evaporator 19, the condenser 11 of cold-storage heat-exchanger 20 and first and main evaporator
19 are all connected with.Surplus refrigerating capacity when freezing can be so stored in cold-storage device by cold-storage heat-exchanger, so as to subtract
The waste of energy when freezing less, uses, energy-conserving and environment-protective after being treated after cold-storage.For the refrigeration system of single-stage compressor, can be with
Using method as shown in Figure 2.
Specifically, temperature control system includes：Cold-storage working substance container 1, cold-storage working substance temperature sensor 2, first cool back
Cooling heat exchanger 7, temperature control in road valve 3, cold-storage working substance pump 4, temperature regulating device loop valve 5, temperature regulating device 6, temperature regulating device 6
The main refrigerating circuit valve 8 of device, the second cooling circuit valve 9, the first compressor 10, the first condenser 11, first exhaust end are changed
Hot device 12, heat absorption loop valve 13, accumulation of heat working medium pump 14, accumulation of heat working medium container 15, accumulation of heat Temperature of Working sensor 16, heat back
The main evaporator 19 of the heating heat exchanger 18, refrigerating circuit in road valve 17, temperature regulating device 6, cold-storage heat-exchanger 20 are constituted, and
Working method can set multistage superposition type compressor assembly, i.e. power set to include multiple compressors.
Example in the present embodiment, with reference to shown in Fig. 3, Fig. 5 and Fig. 6, power set also include the second compressor 27, accumulation of heat
Device includes the second exhaust end heat exchanger 28 of connection accumulation of heat working medium container 15 and the second compressor 27, the second compressor 27 and the
One condenser 11 is connected, and power set are provided with the second condenser 31 connection the second compressor 27 and the first condenser 11.Increase by the
Two compressors 27, the second condenser 31 can improve regenerative apparatus and cold-storage device stores the speed of energy, improve operating efficiency.
Power set include that the first compressor and the second compressor, i.e. power set are superposition type compressor assembly, are in order to be able to drop to
Lower temperature, it is what is determined by the characteristic of refrigerant that can drop to how many degree, for example, refrigerant has -40 degree and -70 liang of major classes,
But the refrigerants of -70 degree can only can just be condensed into liquid in -20 degree left and right, so invented superposition type, by can be cold in normal temperature
The refrigerant of liquid of congealing into makes high-temperature level system, and high-temperature level system cooling low-temperature level system finally comes cold by low-temperature level system
But temperature controlling instruments, so which kind of system determined by the purposes of temperature controlling instruments with, one can be added certainly for single level system
Low power low-temperature level system.
Humidification water- to-water heat exchanger 30 is additionally provided between accumulation of heat working medium container 15 and heating heat exchanger 20 to connect, and humidifies water- to-water heat exchanger
Humidification loop valve 29 is provided between 30 and heating heat exchanger 20 to connect, thus can be in temperature regulating device 6 during humidity deficit
Humidified.When having humidification system and needing humidification, humidification heat exchanger loop valve 29 is opened, flow to high temperature refrigerant and add
Wet water- to-water heat exchanger 30, preheating will flow to the humidification water of humidification heater.
Specifically, temperature control system includes：Second exhaust end heat exchanger 28, heat absorption loop valve 13, accumulation of heat working medium pump
14th, accumulation of heat Temperature of Working sensor 16, accumulation of heat working medium container 15, heating circuit valve 17, first exhaust end heat exchanger 12, temperature control
Heating heat exchanger 18 in device 6 is constituted.
When temperature regulating device 6 starts to do refrigeration cool-down, heat absorption loop valve 13 is opened, and accumulation of heat working medium pump 14 drives working medium to arrive
Second exhaust end heat exchanger 28 and first exhaust end heat exchanger 22, absorb the heat of delivery temperature, until accumulation of heat working medium container 15
The temperature of the interior measurement of accumulation of heat Temperature of Working sensor 16 reaches delivery temperature, or measures the delivery temperature of compressor and start
Untill decline.Superposition type unit is different due to compressor exhaust temperature not at the same level, it is also possible to add valve in different heat absorption loops
Door, controls respectively.When temperature regulating device 6 needs heating, heating circuit valve 17 is opened, working medium pump drives hot working fluid to be filled to temperature control
The heating heat exchanger 18 in 6 is put, to the heating of the inside of temperature regulating device 6.
Temperature control system also includes：Cold-storage device container 1, cold-storage device Temperature of Working sensor 2, the first cooling circuit
Cooling heat exchanger in valve 3, cold-storage working substance pump 4, temperature regulating device loop valve 5, compressor loop valve 24, temperature regulating device 6
7th, low-temperature level condensing heat exchanger 25, cold-storage heat-exchanger 20；And the main refrigerating circuit valve 8, second of temperature regulating device 6, temperature regulating device
Cooling circuit valve 9, the main refrigerating circuit valve 26 of the first condenser 11, high-temperature level, the second compressor 27, the second condenser 31,
First compressor 10, main evaporator 19.Wherein, the first compressor 10 can be low-temperature level compressor, and the second compressor 27 can be with
Make high-temperature level compressor.
No matter the refrigeration system of the system is made up of what system, the heat exchanger of cold-storage device by lowest temperature compression mechanism
Cooling system is cooled down, and also refrigerating capacity matches for the selection of cold-storage working substance.And be that only refrigeration work consumption does not exist in temperature regulating device 6
In the case of freezing at full capacity, cooled down by unnecessary refrigerating capacity.It is warm close to setting in the internal temperature of temperature regulating device 6
Degree, when proceeding by refrigeration work consumption regulation, simply when closing temperature regulating device main refrigerating circuit valve 8, just opens second
Cooling circuit valve 9, gives cold-storage working substance refrigeration cool-down, until the temperature of the measurement of cold-storage working substance temperature sensor 2 reaches setting value.
Using the solutions for refrigeration of the cooling heat exchanger 7 in temperature regulating device 6, or using by low-temperature level condensing heat exchanger 25
Solutions for refrigeration, depending on the design temperature in temperature regulating device 6.If design temperature in temperature regulating device 6 is close to temperature regulating device 6
The cryogenic temperature limit, using the latter by the solutions for refrigeration of low-temperature level condensing heat exchanger 25 it is better.Although can using the former
To close whole refrigeration compressor system, but because the temperature of cold-storage device is minimum be also whole temperature regulating device 6 low temperature limit,
So the temperature difference between design temperature is too small, whole compressor assembly frequent starting may be caused, on the contrary not as only to low
Warm level condenser heat exchanger refrigeration, is finally freezed by low-temperature level compressor assembly to temperature regulating device 6.
When cold-storage device reaches cold-storage device and sets temperature, temperature regulating device 6 is also substantially stablized in the temperature for setting, this
When do not need big refrigerating capacity, simply need thermal balance maintain temperature.So cold-storage device can be used to：1）Temperature control can be stopped
The refrigeration system of device 6, then only opens cold-storage device temperature regulating device loop valve 5, and cold-storage working substance is driven by cold-storage working substance pump 4
Heat exchanger 8 in temperature regulating device, freezes instead of the refrigeration system of temperature regulating device 6.2）Can also stop high-temperature level compressor assembly
Machine, then opens the compressor loop valve 24 of cold-storage device system, drives cold-storage working substance to be changed to low-temperature level condensation by working medium pump
Hot device 25, is worked by cold-storage device instead of high-temperature level compressor refrigeration system.
As shown in figure 5, in the porch in ice chest air channel, setting heat exchanger.After experimental products enter ice chest by hot tank,
The cold-storage working substance of the cold-storage device through having cooled down, under the driving of pump enter heat exchanger, and the temperature regulating device 6 prior to ice chest steaming
Hair device carries out heat exchange with the air in case, and the heat that absorption brings from hot tank mitigates the cooling load of temperature controlling instruments, reaches contracting
The purpose of short recovery time.When the temperature of cold-storage working substance is identical with the air themperature in ice chest, stop the working medium of cold-storage device
Pump, is freezed by the evaporator of ice chest completely.
Such as Fig. 6, in the porch in hot tank air channel, heat exchanger is set.If the setting temperature of hot tank is higher than regenerative apparatus work
During the temperature of matter, when experimental products are in ice chest, regenerative apparatus working medium pump startup, by the heated work of the exhaust end of compressor
Matter, into the heat exchanger 2 in hot tank, is continued to heat by the heater of hot tank.After experimental products enter hot tank by ice chest, store
The accumulation of heat working medium of thermal, enters heat exchanger under the driving of pump, and heater prior to hot tank carries out heat with the air in case
Exchange, the cold that absorption brings from ice chest reaches the purpose for shortening recovery time.When the temperature and hot tank of the working medium of regenerative apparatus
When interior air themperature is identical, stop accumulation of heat working medium pump 14, heated by the heater of hot tank completely.
Example in the present embodiment, with reference to shown in Fig. 4, can also be using increase by for powerful superposition type unit
The method of low power low-temperature level compressor assembly, the baby compressor unit is the work(of the lowest temperature level system of superposition type
Rate scaled down version, and the compressor electric motor can match somebody with somebody frequency converter.Baby compressor system includes：Cooling heat exchanger 7, low temperature pressure
Contracting machine 21, low temperature major loop valve 22, low-temperature condenser 23.Correspondingly cold-storage device reduces the temperature regulating device valve 5 and drop of Fig. 3
Warm heat exchanger 7 this primary Ioops.Say, heat exchanger is no longer cooled down by cold-storage working substance in temperature regulating device, but by baby compressor
System is cooled down.The compressor loop valve 24 of cold-storage device, low-temperature level condensing heat exchanger 25 this primary Ioops are revised as
The low-temperature level compressor condenser refrigeration of superposition type, but be baby compressor cooling system.
For high-power compressor unit, in temperature holding stage, even only driving low-temperature level compressor, power consumption
It is very big.This appropriate to the occasion use baby compressor unit replaces the method for high-power low-temperature level compressor, reaches the mesh of energy saving
's.
Example in the present embodiment, with reference to shown in Fig. 2, system further includes cryogenic refrigerating unit, cryogenic refrigerating unit
Including the low-temperature condenser 23 being connected with cooling heat exchanger 7, low-temperature condenser 23 and cold-storage working substance container 1 and cold-storage heat-exchanger 20
It is all connected with, cryogenic compressor 21 is provided between cooling heat exchanger 7 and low-temperature condenser 23 and is connected.Drop so in temperature regulating device 6
Warm heat exchanger can just be freezed by cryogenic refrigerating unit, and operating efficiency is higher.
For the temperature control system in above-mentioned Fig. 1 using single-stage compressor system, if long-term near low temperature limit
If work, this structure shown in appropriate to the occasion use Fig. 2 increases a low power low-temperature level compressor assembly.
Small-power low-temperature level refrigeration system includes：Cooling heat exchanger 7, cryogenic compressor 21 in temperature regulating device 6, low temperature master
Loop valve 22, low-temperature condenser 23.Now cold-storage device is no longer lowered the temperature to the internal refrigeration storage of temperature regulating device 6, but as low temperature
The condenser low-temperature receiver of level compressor assembly, now because the cryogenic temperature of low-temperature level can be very low, although the temperature of cold-storage device
Be not suitable for lowering the temperature to temperature regulating device 6, but be suitable for cooling down low-temperature level system, be allowed to condense.Say in the first of the refrigeration of temperature regulating device 6
Phase, when setting value annex is reached, beginning was freezed to cold-storage device by single-stage compressor cooling system.In the base of temperature regulating device 6
In setting value, cold-storage device also basically reaches setting value to stabilization in sheet.Big single-stage compressor is now closed, starts startup small
The low-temperature level compressor of power keeps the temperature inside temperature regulating device 6.
Cold-storage device and regenerative apparatus can be also used for inside temperature regulating device 6, the multi-zone temperature control of different set temperature
System.Have multiple regions inside such as temperature regulating device 6, and each region temperature setting it is different when, can by cold-storage device or
Person's regenerative apparatus freezes or heats.Realize that multizone different temperatures is controlled.
For shermal shock test chamber, when cold and hot temperature transition is carried out, the recovery time of temperature is to weigh thermal shock test
One of index of case performance.Present shortening recovery time is mainly by increasing the power of heating and refrigeration to shorten recovery time.
By introducing cold-storage device and regenerative apparatus, can accomplish, in the case where heating refrigeration work consumption is not increased, to shorten recovery time
Purpose.
Example in the present embodiment, with reference to shown in Fig. 7, cold-storage working substance container 1 is with cold-storage heat-exchanger 20 in same container.
The volume of system can so be reduced, save space is convenient to install.Cold-storage working substance container 1 can merge with cold-storage heat-exchanger 20,
Can so reduce by a loop, reach cost-effective purpose.Cold-storage heat-exchanger 20 is located in regenerator working medium container 1, according to
By free convection or internal working medium pump forced circulation, enable temperature in regenerator uniform.Specifically include, cold-storage working substance pump 4,
Temperature regulating device loop valve 5, compressor loop valve 24, low-temperature level condensing heat exchanger 25, cooling heat exchanger 7, cold-storage working substance temperature
Degree sensor 2, cold-storage heat-exchanger 20, cold-storage working substance container 1.
Example in the present embodiment, with reference to shown in Fig. 8, cold-storage working substance container 1 includes working medium container 34 and cold-storage before cold-storage
Working medium container 33 afterwards, cold-storage heat-exchanger 20 is connected with working medium container after cold-storage 33, working medium container 34 before cooling heat exchanger 7 and cold-storage
Connection, is provided with cold-storage working substance pump 4 and connects after cold-storage heat-exchanger 20 and cold-storage between working medium container 33；System is additionally provided with cryogenic condensation
Heat exchanger 25 is connected with working medium container before cold-storage 34.The working medium and the working medium after cold-storage that can so allow before cold-storage are stored separately,
Convenient management, also reduces the loss of energy.Can be put into respectively in different containers before regenerator working medium cold-storage, after cold-storage, this
Sample can as early as possible obtain the cold-storage working substance of enough low temperature, and according to follow-up cold load, can also select the amount of cold-storage working substance.
Finish if only needing to very short time, it is possible to a small amount of cold-storage working substance of a cold-storage.Specifically include, working medium container after cold-storage
33（Band temperature sensor）, container valve 35 after cold-storage, cold-storage working substance pump 4, the first cooling circuit valve 3, cold-storage heat-exchanger 20,
Working medium before low-temperature level condensing heat exchanger 25, cooling heat exchanger 7, temperature regulating device loop valve 5, compressor loop valve 24, cold-storage
Working medium container 34 before container valve 36, cold-storage.
In process of cool, working medium container valve 36 is opened before cold-storage, and the first cooling circuit valve 3 is opened, cold-storage working substance
The cold-storage working substance of working medium container before cold-storage 34 is sent to cooling heat exchanger 7 and is cooled down by pump 4, and the cold-storage working substance after cooling enters storage
Stored in cold rear working medium container 33.When cold-storage device starts refrigeration work, container valve 35 and corresponding temperature control set after cold-storage
Standby loop valve 5 or compressor loop valve 24 are opened, and carry out corresponding refrigeration work.
Example in the present embodiment, with reference to shown in Fig. 9, accumulation of heat working medium container 15 includes working medium container 38 and accumulation of heat before accumulation of heat
Working medium container 37 afterwards, first exhaust end heat exchanger 12 is connected with working medium container after accumulation of heat 37, work before heating heat exchanger 18 and accumulation of heat
Matter container 38 is connected.The working medium and the working medium after cold-storage that can so allow before accumulation of heat are stored separately, convenient management, also reduce energy
Loss.Can also be put into different containers before and after accumulation of heat working medium accumulation of heat, so can as early as possible obtain high-temperature heat accumulation working medium.Tool
Body includes：Working medium container 37 after accumulation of heat（Band temperature sensor）, container valve 39, accumulation of heat working medium pump 14, heat absorption loop after accumulation of heat
Valve 13, first exhaust end heat exchanger 12, heating heat exchanger 18, humidification water- to-water heat exchanger 30, humidification heat exchanger loop valve 40, plus
Working medium container 38 before container valve 41, accumulation of heat before hot loop valve 17, accumulation of heat.
In heat-accumulating process, container valve 41 and heat absorption loop valve 13 are opened before accumulation of heat, and accumulation of heat working medium pump 14 is by accumulation of heat
Working medium working medium container 38 from before accumulation of heat is extracted into first exhaust end heat exchanger 12 and is heated, and the working medium after heating is sent to work after accumulation of heat
Storage in matter container 37.When storage heater is heated, after accumulation of heat container valve 39 and corresponding humidification heat exchanger loop valve 40 or
Heating circuit valve 17 is opened, and carries out heating work.
The present embodiment is conceived to the refrigerating efficiency for improving compressor, by introducing regenerator, need not be complete in temperature controlling instruments
During power refrigeration, compressor refrigeration system or total power are freezed, on the premise of ensureing that temperature controlling instruments freezes, unnecessary refrigeration
Ability is used for giving regenerator refrigeration.So when regenerator reaches design temperature, temperature controlling instruments can also be stablized in design temperature,
Now simply need the very low power refrigeration of refrigeration system.At this moment can by closing the compressor of whole mechanical refrigeration system,
Only freezed to temperature controlling instruments by regenerator system；Or close Partial shrinkage machine, such as high-temperature level compressor, by regenerator system
Instead of the method that high-temperature level compressor to freeze to the condenser of low-temperature level refrigeration system, the purpose of energy-conservation is reached.
The equipment that the regenerator can be used for temperature and humidity control degree.Humidity keep with dry the stage, it is necessary to refrigerating capacity,
Now, using the heat exchanger in temperature controlling instruments, the purpose of control humidity can also be realized according to method above.
Some temperature controlling instruments need to be changed back and forth between high temperature and low temperature, although or keep low temperature, finally to rise
Shut down after to normal temperature.The delivery temperature of mechanical refrigeration compressor is higher, it is necessary to cooling water takes away heat can condense.Introduce
Storage heater absorbs the partial heat of compressor air-discharging and stores, with the heat of this section store when temperature controlling instruments needs to heat up
Amount heating.It is typically all, using electrically heated method, electricity to be not only saved first with storage heater heating that temperature controlling instruments is raised to high temperature
Can, decrease the refrigerant pressure of cooling tower.
According to one of embodiment, the present embodiment discloses a kind of temprature control method, including：
Cold-storage device obtains the cryogenic energy that the compressor refrigeration system of lowest temperature is discharged, and default temperature is reached to cold-storage device
Degree, wherein compressor refrigeration system are capacity operation；
The temperature of temperature regulating device is detected, if the temperature of temperature regulating device reaches threshold value, cold-storage device is by cooling heat exchanger to control
Warm device discharges cryogenic energy；
Stop the operation of high-temperature level compressor assembly, freezed to low-temperature level compressor assembly by cold-storage device, low-temperature level is freezed
Agent is condensed；Or/and
Regenerative apparatus obtains the high temperature energy of compressor air-discharging end release；
Temperature in detection regenerative apparatus, if the temperature in regenerative apparatus reaches compressor air-discharging end temperature or compressor air-discharging end
Temperature stops obtaining high temperature energy less than the temperature in regenerative apparatus, then regenerative apparatus；
The temperature of temperature regulating device is detected, if the temperature of temperature regulating device reaches threshold value, regenerative apparatus is by heating heat exchanger to control
Warm device discharges high temperature energy.
Preset temperature is reached in temperature regulating device, when refrigeration system starts regulation refrigeration work consumption, i.e. main evaporator valve closing
When just give cold-storage device refrigeration, or temperature controlling instruments operation before be dedicated for cold-storage device refrigeration, compressor assembly is made as far as possible
Capacity operation.
According to one of example, methods described is further included：The humidity of temperature regulating device is detected, if temperature regulating device is wet
Degree reaches threshold value, then cold-storage device discharges cryogenic energy by cooling heat exchanger to temperature regulating device；Or/and
The humidity of temperature regulating device is detected, if the humidity of temperature regulating device reaches threshold value, regenerative apparatus is by humidifying water- to-water heat exchanger pair
Humidification water is preheated.
According to one of example, if the temperature in temperature regulating device reaches threshold value, cold-storage device is changed by cooling
The step of hot device discharges cryogenic energy to temperature regulating device further includes：Stop the operation of all compressor assemblies, only by storing
Device for cooling freezes in temperature controlling instruments.
According to one of example, if the temperature in temperature regulating device reaches threshold value, cold-storage device is changed by cooling
The step of hot device discharges cryogenic energy to temperature regulating device further includes：Stop the operation of superposition type compressor, cold-storage device
To the condenser refrigeration of baby compressor system, freezed to temperature controlling instruments by the evaporator of baby compressor system.
According to one of example, methods described is applied to shermal shock test chamber, the heating heat exchanger or/and the drop
Warm heat exchanger is located at the porch in air channel.
The other descriptions of method may refer to the embodiment of said system in the present embodiment, repeat no more.
Above content is to combine the further description that specific preferred embodiment is made to the present embodiment, it is impossible to recognized
The specific implementation for determining the present embodiment is confined to these explanations.Come for the present embodiment person of an ordinary skill in the technical field
Say, on the premise of the present embodiment design is not departed from, some simple deduction or replace can also be made, should all be considered as belonging to this
The protection domain of embodiment.
Claims (10)
1. a kind of temperature control system, it is characterised in that including：Cold-storage device, regenerative apparatus and temperature regulating device, the cold-storage dress
Put and be connected with the temperature regulating device with regenerative apparatus, the temperature control system also includes the power dress being connected with temperature regulating device
Put, the heating heat exchanger of cooling heat exchanger and regenerative apparatus in the temperature regulating device including cold-storage device；The cold-storage device
The cold-storage heat-exchanger being connected including cold-storage working substance container and with cold-storage working substance container, the cold-storage heat-exchanger connects with cooling heat exchanger
Connect, the cooling heat exchanger is connected with the cold-storage working substance container, and the cooling heat exchanger is connected with the power set；It is described
Regenerative apparatus includes accumulation of heat working medium container, and the first exhaust end heat exchange for connecting the accumulation of heat working medium container and power set
Device, the accumulation of heat working medium container is connected with the heating heat exchanger.
2. temperature control system according to claim 1, it is characterised in that the temperature control system further includes low
Warm refrigerating plant, the cryogenic refrigerating unit includes the low-temperature condenser that be connected with cooling heat exchanger, the low-temperature condenser and
Cold-storage working substance container and cold-storage heat-exchanger are all connected with, and cryogenic compressor company is provided between the cooling heat exchanger and low-temperature condenser
Connect.
3. temperature control system according to claim 1, it is characterised in that the accumulation of heat working medium container is changed with the heating
Humidification water- to-water heat exchanger connection is additionally provided between hot device, the humidification water- to-water heat exchanger is used for preheating and humidifying water.
4. temperature control system according to claim 1, it is characterised in that the cold-storage working substance container includes work before cold-storage
Working medium container after matter container and cold-storage, the cold-storage heat-exchanger is connected with working medium container after the cold-storage, the cooling heat exchanger
It is connected with working medium container before the cold-storage, cold-storage working substance pump is provided between working medium container after the cold-storage heat-exchanger and the cold-storage
Connection；The system is additionally provided with cryogenic condensation heat exchanger and is connected with working medium container before the cold-storage.
5. temperature control system according to claim 1, it is characterised in that the accumulation of heat working medium container includes work before accumulation of heat
Working medium container after matter container and accumulation of heat, first exhaust end heat exchanger is connected with working medium container after the accumulation of heat, the heating
Heat exchanger is connected with working medium container before the accumulation of heat.
6. a kind of temprature control method, it is characterised in that including：Cold-storage device obtains the compressor refrigeration system institute of lowest temperature
The cryogenic energy of release, default temperature is reached to cold-storage device；The temperature of temperature regulating device is detected, if the temperature of temperature regulating device
Threshold value is reached, then cold-storage device discharges cryogenic energy by cooling heat exchanger to temperature regulating device；Stop high-temperature level compressor assembly
Operation, by cold-storage device give low-temperature level compressor assembly freeze, make low-temperature level refrigerant condense；Or/and regenerative apparatus is obtained
The high temperature energy of compressor air-discharging end release；Temperature in detection regenerative apparatus, if the temperature in regenerative apparatus reaches compressor
Less than the temperature in regenerative apparatus, then regenerative apparatus stopping obtains high temperature energy for exhaust end temperature or compressor air-discharging end temperature；
The temperature of temperature regulating device is detected, if the temperature of temperature regulating device reaches threshold value, regenerative apparatus is filled by heating heat exchanger to temperature control
Put release high temperature energy.
7. temprature control method according to claim 6, it is characterised in that methods described is further included：Detection temperature control
The humidity of device, if the humidity of temperature regulating device reaches threshold value, cold-storage device discharges low by cooling heat exchanger to temperature regulating device
Warm energy；Or/and the humidity of detection temperature regulating device, if the humidity of temperature regulating device reaches threshold value, regenerative apparatus passes through humidification water
Heat exchanger is preheated to humidification water.
8. temprature control method according to claim 6, it is characterised in that if the temperature in temperature regulating device reaches threshold
Value, then cold-storage device by cooling heat exchanger to temperature regulating device discharge cryogenic energy the step of further include：Stop all
The operation of compressor assembly, is only freezed by cold-storage device in temperature controlling instruments.
9. temprature control method according to claim 6, it is characterised in that if the temperature in temperature regulating device reaches threshold
Value, then cold-storage device by cooling heat exchanger to temperature regulating device discharge cryogenic energy the step of further include：Stop overlapping
The operation of formula compressor, cold-storage device freezes to the condenser of baby compressor system, by the steaming of baby compressor system
Hair device freezes to temperature controlling instruments.
10. temprature control method according to claim 6, it is characterised in that methods described is applied to shermal shock test chamber,
The heating heat exchanger or/and the cooling heat exchanger are located at the porch in air channel.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115469700A (en) * | 2022-09-19 | 2022-12-13 | 江苏拓米洛环境试验设备有限公司 | Temperature and humidity control method and device for test box |
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