CN110779274A - Store cabinet constant temperature and humidity system - Google Patents
Store cabinet constant temperature and humidity system Download PDFInfo
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- CN110779274A CN110779274A CN201911150039.0A CN201911150039A CN110779274A CN 110779274 A CN110779274 A CN 110779274A CN 201911150039 A CN201911150039 A CN 201911150039A CN 110779274 A CN110779274 A CN 110779274A
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- temperature
- heat exchanger
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- 238000004146 energy storage Methods 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000011084 recovery Methods 0.000 claims description 13
- 239000011232 storage material Substances 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 238000009825 accumulation Methods 0.000 claims description 7
- 238000005338 heat storage Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 description 7
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012782 phase change material Substances 0.000 description 3
- 239000000112 cooling gas Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
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- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
- F25D31/005—Combined cooling and heating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
-
- 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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- 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
- F25B39/00—Evaporators; Condensers
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent 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 invention discloses a constant-temperature and constant-humidity system of a storage cabinet, which comprises an air processing unit connected with a cabinet body, wherein the air processing unit is connected with a temperature adjusting unit and an energy storage unit, the air processing unit, the temperature adjusting unit and the energy storage unit are all connected with a controller, a temperature sensor, a humidity sensor and a photosensitive sensor which are connected with the controller are arranged in the cabinet body, a light-emitting element which belongs to a power supply circuit with the temperature adjusting unit is arranged in the cabinet body, and the controller, the temperature sensor, the humidity sensor and the photosensitive sensor are all connected with a low-voltage standby power supply. The invention can accurately control the temperature and the humidity in the cabinet body, and the controller can also automatically control the energy storage unit to regulate the environment of the cabinet body to be constant temperature and constant humidity even in a power-off state.
Description
Technical Field
The invention relates to the technical field of corrosion prevention and oxidation prevention, in particular to a constant-temperature and constant-humidity system of a storage cabinet.
Background
The storage of articles in places such as museums, libraries and the like has strict requirements on air quality, the articles need to be stored at specific temperature and humidity, and a plurality of units can cut off the power supply after work to prevent fire disasters and prevent constant-temperature and constant-humidity equipment in a storage room after power failure from working. In the traditional method, a UPS (uninterrupted Power System) Power supply is adopted for supplying Power, so that the normal work of equipment is ensured, and although the temperature and the moderate degree in a storage chamber are ensured and the environmental requirement of storing articles is met, the UPS Power supply is high in price, large in occupied area and flammable and has potential safety hazards.
At present, although a constant-temperature and constant-humidity storage cabinet exists after power failure, temperature and humidity cannot be accurately controlled, and the storage cabinet is always in a dynamic adjustment process. Because the storage of precision articles is influenced by the defect of large temperature and humidity fluctuation, the use and popularization of the products are severely limited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a constant temperature and humidity system of a storage cabinet, which solves the technical problem of large temperature and humidity fluctuation in the conventional constant temperature and humidity storage cabinet.
The technical scheme of the invention is realized as follows: a constant temperature and humidity system of a storage cabinet comprises an air processing unit connected with a cabinet body, wherein fresh air can be supplied into the cabinet body through the air processing unit; the air handling unit is connected with temperature regulation unit and energy storage unit, and temperature regulation unit can supply suitable temperature's cooling gas or heating gas to the air handling unit, and energy storage unit can be heat accumulation or cold-storage when normal power supply, and the energy that the energy storage unit holds can be through the air handling unit to the internal supply of cabinet after power supply circuit opens circuit. The air processing unit, the temperature adjusting unit and the energy storage unit are all connected with a controller, and a temperature sensor, a humidity sensor and a photosensitive sensor which are connected with the controller are arranged in the cabinet body; the controller can detect the internal temperature of cabinet or humidity according to temperature sensor, humidity transducer, and corresponding energy is supplied to the regulation and control temperature regulating unit, controls the energy storage unit and stores corresponding energy. The cabinet body is internally provided with a light-emitting piece which belongs to a power supply circuit together with the temperature adjusting unit, and the controller, the temperature sensor, the humidity sensor and the photosensitive sensor are all connected with a low-voltage standby power supply; under low pressure stand-by power supply's effect, the controller can normally work under the condition of temperature regulation unit weak point, and the controller can detect the light-emitting component according to photosensitive sensor and judge that temperature regulation unit has or not normal power supply operation, detects the temperature regulation unit outage back when the controller, and steerable energy storage unit provides corresponding regulation and control energy to the cabinet is internal.
The temperature adjusting unit comprises a first compressor, the first compressor is respectively connected with a first heat exchanger and a second heat exchanger, the first compressor, the first heat exchanger and the second heat exchanger form a refrigerating loop and a heating loop through a four-way electromagnetic reversing valve, and the first heat exchanger is a heat exchange end connected with the air processing unit. The controller makes heat transfer medium circulate along the heating loops of the first compressor, the first heat exchanger, the second heat exchanger and the first compressor by controlling the four-way electromagnetic directional valve, at the moment, the first heat exchanger plays a condensing role, and then heat generated by condensation can be conveyed to the air treatment unit, and the air treatment unit brings the heat generated by the first heat exchanger into the cabinet body. The controller can also control the four-way electromagnetic directional valve, so that the heat exchange medium circularly flows along the cooling loop of the first compressor, the second heat exchanger, the first heat exchanger and the first compressor, at the moment, the second heat exchanger plays a role in condensation and generates heat, the first heat exchanger plays a role in evaporation and gives off low temperature, and the air processing unit brings the low temperature given off by the first heat exchanger into the cabinet body.
The air treatment unit comprises an air supply pipeline and an air return pipeline which are connected with the cabinet body, the air treatment unit supplies air into the cabinet body through the air supply pipeline, and the air in the cabinet body is discharged through the air return pipeline; the air supply pipeline or/and the air return pipeline is/are provided with a first electromagnetic valve connected with the controller, and the controller can control the air in the cabinet body to be updated by controlling the first electromagnetic valve; an air treatment device is arranged between the air supply pipeline and the air return pipeline, the first heat exchanger forms a temperature adjusting loop with the air treatment device through a first air pipe, and heat generated by the first heat exchanger or low temperature emitted by the first heat exchanger can be conveyed into the cabinet body through the air treatment device.
The air treatment device comprises a first fan, a heat recovery module, a heat exchange module, a humidification module and an air mixing module which are sequentially connected, the first fan is connected with a return air pipeline, the air mixing module is connected with an air supply pipeline, the heat exchange module is connected with a controller, the heat recovery module and the air mixing module are connected with a first air pipe, corresponding energy generated by a first heat exchanger can circulate between the heat recovery module and the air mixing module through the first air pipe, and then the energy is recycled. The first air pipe is provided with a second electromagnetic valve connected with the controller, and the controller can control the temperature adjustment work of the cabinet body by the first heat exchanger through controlling the second electromagnetic valve.
Furthermore, the heat recovery module is connected with the first heat exchanger through the air handling unit and the second fan, the second fan can effectively promote energy circulation among the first heat exchanger, the heat recovery module and the air mixing module, and the air handling unit and the second fan are connected with the controller.
Further, a third electromagnetic valve connected with the controller is arranged between the second fan and the first heat exchanger.
The energy storage unit comprises a second compressor, the second compressor is connected with a condenser, the condenser is connected with a heat storage phase change energy storage material bin, the heat storage phase change energy storage material bin forms a heating loop with the air processing unit through a second air pipe, and an air supply end and an air return end of the second air pipe are both provided with control heating electromagnetic valves connected with the controller.
The energy storage unit comprises an evaporator connected with the second compressor, the evaporator is connected with a cold accumulation phase change energy storage material bin, the cold accumulation phase change energy storage material bin forms a cooling loop with the air treatment unit through a third air pipe, and the air supply end and the air return end of the third air pipe are both provided with control cooling electromagnetic valves.
Furthermore, the control heating solenoid valve and the control cooling solenoid valve are shared solenoid valves and comprise a return air three-way electromagnetic directional valve and an air supply three-way electromagnetic directional valve, the return air three-way electromagnetic directional valve is connected between the return air end of the first air pipe, the return air end of the second air pipe and the return air end of the third air pipe, and the return air three-way electromagnetic directional valve is connected between the air supply end of the first air pipe, the air supply end of the second air pipe and the air supply end of the third air pipe.
The invention can accurately control the temperature and the humidity in the cabinet body, and the controller can also automatically control the energy storage unit to regulate the environment of the cabinet body to be constant temperature and constant humidity even in a power-off state. The energy storage unit stores energy through the phase-change energy storage material when in normal power supply, and the phase-change energy storage technology stores energy by utilizing the characteristic of absorbing and releasing heat in the phase-change material state change process; when the environment temperature is higher than the phase change temperature, the phase change material is melted or gasified to absorb and store heat; on the contrary, when the environmental temperature is lower than the phase-change temperature, the phase-change material is condensed or solidified to release heat, thereby achieving the effects of adjusting the environmental temperature and storing energy.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the air treatment apparatus of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
A constant temperature and humidity system of a storage cabinet is shown in figure 1 and comprises an air processing unit 200 connected with a cabinet body 1, wherein fresh air can be supplied into the cabinet body 1 through the air processing unit 200; the air processing unit 200 is connected with a temperature adjusting unit 300 and an energy storage unit 400, the temperature adjusting unit 300 can supply cooling gas or heating gas with proper temperature to the air processing unit 200, the energy storage unit 400 can store heat or cold during normal power supply, and the energy stored by the energy storage unit 400 can be supplied to the cabinet 1 through the air processing unit 200 after the power supply circuit is disconnected.
The air processing unit 200, the temperature adjusting unit 300 and the energy storage unit 400 are all connected with a controller, and a temperature sensor, a humidity sensor and a photosensitive sensor which are connected with the controller are arranged in the cabinet body 1; the controller can detect the temperature or humidity in the cabinet 1 according to the temperature sensor and the humidity sensor, regulate and control the temperature adjusting unit 300 to supply corresponding energy to the cabinet 1 through the air processing unit 200, and the controller can also control the energy storage unit 400 to store the corresponding energy.
A light-emitting part 16 which belongs to a power supply circuit with the temperature adjusting unit 300 is arranged in the cabinet body 1, and the controller, the temperature sensor, the humidity sensor and the photosensitive sensor are all connected with a low-voltage standby power supply; under the effect of low pressure stand-by power supply, the controller can normally work under the condition of temperature regulation unit 300 short point, and the controller can detect light-emitting component 16 according to photosensitive sensor and judge that temperature regulation unit 300 has or not normal power supply operation, detects the back that temperature regulation unit 300 cuts off the power supply when the controller, and steerable energy storage unit 400 provides corresponding regulation and control energy to cabinet 1 is inside.
Specifically, the temperature adjustment unit 300 includes a first compressor 18, the first compressor 18 is connected to a first heat exchanger 3 and a second heat exchanger 4 respectively, the first compressor 18, the first heat exchanger 3, and the second heat exchanger 4 form a refrigeration loop and a heating loop through a four-way electromagnetic directional valve 17, and the first heat exchanger 3 is a heat exchange end connected to the air processing unit 200.
The controller enables the heat exchange medium to circularly flow along the first compressor 18, the first heat exchanger 3, the second heat exchanger 4 and the heating loop of the first compressor 18 by controlling the four-way electromagnetic directional valve 17, at the moment, the first heat exchanger 3 plays a role in condensation, further heat generated by condensation can be conveyed to the air processing unit 200, and the air processing unit 200 brings the heat generated by the first heat exchanger 3 into the cabinet body 1.
The controller enables the heat exchange medium to circularly flow along the cooling loops of the first compressor 18, the second heat exchanger 4, the first heat exchanger 3 and the first compressor 18 by controlling the four-way electromagnetic directional valve 17, at the moment, the second heat exchanger 4 plays a role of condensation to generate heat, the first heat exchanger 3 plays a role of evaporation to emit low temperature, and the air processing unit 200 brings the low temperature emitted by the first heat exchanger 3 into the cabinet body 1.
The air processing unit 200 comprises an air supply pipeline 8 and an air return pipeline 7 which are connected with the cabinet body 1, the air processing unit 200 supplies air into the cabinet body 1 through the air supply pipeline 8, and exhausts the air in the cabinet body 1 through the air return pipeline 7; the air supply duct 8 is provided with a first electromagnetic valve 21 connected with a controller, and the controller can control the air in the cabinet body 1 to be refreshed by controlling the first electromagnetic valve 21. An air treatment device 2 is arranged between the air supply pipeline 8 and the air return pipeline 7, the first heat exchanger 3 forms a temperature adjusting loop with the air treatment device 2 through a first air pipe, and heat generated by the first heat exchanger 3 or low temperature emitted by the first heat exchanger can be conveyed into the cabinet body 1 through the air treatment device 2.
The heat recovery module 10 is connected with the first heat exchanger 3 through the air handling unit 15 and the second fan 20, and the second fan 20 can effectively promote energy circulation among the first heat exchanger 3, the heat recovery module 10 and the air mixing module 14; the air handling unit 15 and the second fan 20 are both connected to a controller, and the controller can control the working states of the air handling unit 15 and the second fan 20 in real time.
Further, a third electromagnetic valve 23 connected with the controller is arranged between the second fan 20 and the first heat exchanger 3.
The energy storage unit 400 comprises a second compressor 19, the second compressor 19 is connected with a condenser 5, the condenser 5 is connected with a heat storage phase change energy storage material bin, the heat storage phase change energy storage material bin forms a heating loop with the air processing unit 200 through a second air pipe, and an air supply end and an air return end of the second air pipe are both provided with control heating electromagnetic valves connected with a controller.
The energy storage unit 400 further comprises an evaporator 6 connected with the second compressor 19, the evaporator 6 is connected with a cold accumulation phase change energy storage material bin, the cold accumulation phase change energy storage material bin forms a cooling loop with the air processing unit 200 through a third air pipe, and an air supply end and an air return end of the third air pipe are both provided with control cooling electromagnetic valves.
Furthermore, the control heating solenoid valve and the control cooling solenoid valve are shared solenoid valves and comprise a return air three-way electromagnetic directional valve 24 and an air supply three-way electromagnetic directional valve 25, the return air three-way electromagnetic directional valve 24 is connected between the return air end of the first air pipe, the return air end of the second air pipe and the return air end of the third air pipe, and the return air three-way electromagnetic directional valve 24 is connected between the air supply end of the first air pipe, the air supply end of the second air pipe and the air supply end of the third air pipe.
The invention has two working modes:
the first working mode is as follows: when the temperature sensor and the humidity sensor detect that the temperature or the humidity in the storage room exceeds a set range, the controller controls the first electromagnetic valve 21, the second electromagnetic valve 22 and the third electromagnetic valve 23 to be opened, controls the air return three-way electromagnetic directional valve 24 and the air supply three-way electromagnetic directional valve 25 to be closed and controls the energy storage unit to store energy under the condition of no power failure; the temperature adjusting unit 300 can supply fresh air for adjustment into the cabinet 1 through the air processing unit 200.
And a second working mode: when the photosensitive sensor detects that the temperature adjusting unit 300 is powered off, the temperature adjusting unit 300 does not work at this time, the controller controls the first electromagnetic valve 21 to be opened, controls the return air three-way electromagnetic directional valve 24 and the air supply three-way electromagnetic directional valve 25 to open corresponding heating or cooling circulation ports, controls the second electromagnetic valve 22 and the third electromagnetic valve 23 to be closed, and then the energy storage unit 400 can supply fresh air for adjustment to the cabinet body 1 through the air processing unit 200.
Nothing in this specification is intended to be exhaustive of all conventional and well known techniques.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a store cabinet constant temperature and humidity system, includes air handling unit (200) that link to each other with the cabinet body (1), its characterized in that: air handling unit (200) are connected with temperature regulation unit (300) and energy storage unit (400), and air handling unit (200), temperature regulation unit (300) and energy storage unit (400) all are connected with the controller, are provided with temperature sensor, humidity transducer and the photosensitive sensor who links to each other with the controller in the cabinet body (1), are provided with illuminating part (16) with temperature regulation unit (300) and belong to a power supply circuit together in the cabinet body (1), controller, temperature sensor, humidity transducer and photosensitive sensor all are connected with low pressure stand-by power supply.
2. The storage cabinet constant temperature and humidity system according to claim 1, wherein: the temperature adjusting unit (300) comprises a first compressor (18), the first compressor (18) is connected with a first heat exchanger (3) and a second heat exchanger (4) respectively, the first compressor (18), the first heat exchanger (3) and the second heat exchanger (4) form a refrigerating loop and a heating loop through a four-way electromagnetic reversing valve (17), and the first heat exchanger (3) is a heat exchange end connected with the air processing unit (200).
3. The storage cabinet constant temperature and humidity system of claim 2, wherein: the air treatment unit (200) comprises an air supply pipeline (8) and an air return pipeline (7) which are connected with the cabinet body (1), a first electromagnetic valve (21) connected with the controller is arranged on the air supply pipeline (8) or/and the air return pipeline (7), an air treatment device (2) is arranged between the air supply pipeline (8) and the air return pipeline (7), and the first heat exchanger (3) forms a temperature adjusting loop with the air treatment device (2) through a first air pipe.
4. The storage cabinet constant temperature and humidity system of claim 3, wherein: air treatment facilities (2) are including first fan (9), heat recovery module (10), heat transfer module (12), humidification module (13) and air mixing module (14) that connect gradually, and first fan (9) link to each other with return air duct (7), and air mixing module (14) link to each other with supply air duct (8), and heat transfer module (12) link to each other with the controller, and heat recovery module (10) and air mixing module (14) are connected first tuber pipe is provided with second solenoid valve (22) that link to each other with the controller on the first tuber pipe.
5. The storage cabinet constant temperature and humidity system of claim 4, wherein: the heat recovery module (10) is connected with the first heat exchanger (3) through an air handling unit (15) and a second fan (20), and the air handling unit (15) and the second fan (20) are connected with the controller.
6. The storage cabinet constant temperature and humidity system according to claim 5, wherein: and a third electromagnetic valve (23) connected with the controller is arranged between the second fan (20) and the first heat exchanger (3).
7. The storage cabinet constant temperature and humidity system according to any one of claims 1 to 6, wherein: the energy storage unit (400) comprises a second compressor (19), the second compressor (19) is connected with a condenser (5), the condenser (5) is connected with a heat storage phase change energy storage material bin, the heat storage phase change energy storage material bin forms a heating loop with the air processing unit (200) through a second air pipe, and an air supply end and an air return end of the second air pipe are provided with control heating electromagnetic valves connected with the controller.
8. The storage cabinet constant temperature and humidity system of claim 7, wherein: the energy storage unit (400) comprises an evaporator (6) connected with a second compressor (19), the evaporator (6) is connected with a cold accumulation phase change energy storage material bin, the cold accumulation phase change energy storage material bin forms a cooling loop with the air processing unit (200) through a third air pipe, and an air supply end and an air return end of the third air pipe are both provided with control cooling electromagnetic valves.
9. The storage cabinet constant temperature and humidity system of claim 8, wherein: the control heating solenoid valve and the control cooling solenoid valve are shared solenoid valves and comprise a return air three-way electromagnetic directional valve (24) and an air supply three-way electromagnetic directional valve (25), the return air three-way electromagnetic directional valve (24) is connected between the return air end of the first air pipe, the return air end of the second air pipe and the return air end of the third air pipe, and the return air three-way electromagnetic directional valve (24) is connected between the air supply end of the first air pipe, the air supply end of the second air pipe and the air supply end of the third air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150039.0A CN110779274B (en) | 2019-11-21 | Constant temperature and humidity system of storage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150039.0A CN110779274B (en) | 2019-11-21 | Constant temperature and humidity system of storage cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110779274A true CN110779274A (en) | 2020-02-11 |
| CN110779274B CN110779274B (en) | 2024-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235282A (en) * | 2022-09-22 | 2022-10-25 | 四川恩巨实业有限公司 | Aging system and control method thereof |
| CN115773624A (en) * | 2022-11-21 | 2023-03-10 | 广州万为制冷设备工程有限公司 | Inside and outside dual-cycle temperature and humidity regulation and control system and regulation and control method for constant-temperature and constant-humidity cold storage |
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|---|---|---|---|---|
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| CN115235282A (en) * | 2022-09-22 | 2022-10-25 | 四川恩巨实业有限公司 | Aging system and control method thereof |
| CN115773624A (en) * | 2022-11-21 | 2023-03-10 | 广州万为制冷设备工程有限公司 | Inside and outside dual-cycle temperature and humidity regulation and control system and regulation and control method for constant-temperature and constant-humidity cold storage |
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