CN109959178A - Simulated environment cabin pole cryogenic refrigerating unit - Google Patents
Simulated environment cabin pole cryogenic refrigerating unit Download PDFInfo
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- CN109959178A CN109959178A CN201910236497.XA CN201910236497A CN109959178A CN 109959178 A CN109959178 A CN 109959178A CN 201910236497 A CN201910236497 A CN 201910236497A CN 109959178 A CN109959178 A CN 109959178A
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- China
- Prior art keywords
- temperature
- medium
- room temperature
- refrigerating
- cryogenic
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Classifications
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
Abstract
The invention belongs to environmental test the field of test technology, and in particular to a kind of simulated environment cabin pole cryogenic refrigerating unit.Cabin temperature is divided into three temperature-fall periods by the invention, and the present invention can control each compressor start, stopping by control system, be adjusted to experiment and need temperature according to the needs of test；It is creative using parallel design, it will be responsible for 20 DEG C~0 DEG C of room temperature refrigeration system, 0~-45 DEG C of middle temp, refrigerating system and -45 DEG C~-60 DEG C of cryogenic refrigerating system and be connected in parallel to vehicle environmental boiler-plate, realize the extremely low temperature test capability of vehicle environmental boiler-plate, cryogenic refrigeration compressor uses overlapping pressure texture, being capable of more efficient, energy-efficient realization refrigeration cool-down effect；Two kinds of creative compressor is direct, indirect refrigeration forms combine, while the cooling refrigeration for the environmental capsule being used for；Present system is easily operated, is easily achieved, and can effectively improve environmental test efficiency, has preferable economic benefit and promotional value.
Description
Technical field
The invention belongs to environmental test the field of test technology, and in particular to a kind of simulated environment cabin pole cryogenic refrigerating unit.
Background technique
Simulated environment cabin refers to the cabin that environmental simulation test is carried out for vehicle or equipment, civilian or military vehicle or dress
Standby field work harsh environmental conditions, climate variability, in order to ensure vehicle or equipment work normally under the natural environment of field,
The reliability under complicated environmental condition is improved, needs to carry out environmental simulation test to vehicle or equipment.
Environmental simulation test common at present is divided into laboratory test and two kinds of field test, and wherein indoor environment simulation is tested
Simulated environment cabin with the type of simulated environment factor according to can be divided into: low temperature environment cabin, high temperature hygrothermal environment cabin, too
Positive radiation environment cabin or comprehensive simulation environmental chamber etc. with the integrated environments factor such as low temperature, high temperature, damp and hot, solar radiation.
For the low temperature simulated environment cabin with low temperature environment factor, currently used oversize vehicle simulated environment cabin, system
Cooling system uses single form compressor, is restricted by refrigerant system capacity, and minimum temperature adjustable range is no more than -45 DEG C, no
It can be carried out lower low-temperature test, be unable to satisfy current growing pole low-temperature test demand；Another part vehicle simulation ring
Although border cabin can carry out the environmental test of more low temperature, using the refrigeration compressor of single form, be responsible for being cooled to by room temperature-
45 DEG C of following temperature, energy-output ratio are big；General refrigeration system uses direct refrigeration modes, seriously limits compressor and evaporation
Duct length before device, while also limiting laboratory's layout.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved by the present invention is for existing environmental test testing field to simulated environment cabin low-temperature test
Needs, how to realize the cooling refrigeration effect of extremely low temperature, and ensure efficient, energy-efficient progress low temperature environment simulation test refrigeration
System.
(2) technical solution
In order to solve the above technical problems, the present invention provides a kind of simulated environment cabin pole cryogenic refrigerating unit, described device packet
It includes: room temperature refrigeration compressor 1, the room temperature refrigerating medium circulatory system 2, room temperature heat exchanger system 3, room temperature-medium temperature refrigerating medium heat exchanger
It is system 4, medium temperature refrigeration compressor 5, the medium temperature refrigerating medium circulatory system 6, mid temperature heat exchanger system 7, medium temperature evaporator system 8, low
Warm refrigeration compressor 9, cryogenic vaporizer system 10, control system 11, vehicle environmental boiler-plate 12；
For the vehicle environmental boiler-plate 12 by control system 11, control cabinet temperature is 20 DEG C~-60 DEG C；
Wherein, room temperature refrigeration compressor 1, the room temperature refrigerating medium circulatory system 2, room temperature heat exchanger system 3, room temperature-medium temperature carry
Cryogen heat exchanger system 4, medium temperature evaporator system 8 are used to carry out room temperature cooling under the control of control system 11；
Medium temperature refrigeration compressor 5, the medium temperature refrigerating medium circulatory system 6, mid temperature heat exchanger system 7, medium temperature evaporator system 8 are used
The cooling of medium temperature environment temperature is carried out under the control in control system 11；
Cryogenic refrigeration compressor 9, cryogenic vaporizer system 10 under the control of control system 11 for carrying out low temperature environment
Greenhouse cooling.
Wherein, the room temperature is 20 DEG C~0 DEG C.
Wherein, when carrying out 20 DEG C~0 DEG C cooling, room temperature refrigeration compressor 1 is carried by room temperature heat exchanger system 3 and room temperature
Refrigerant cycle system 2 exchanges heat, and passes to room temperature-medium temperature refrigerating medium heat exchanger system 4 and is cooled to 0 to vehicle environmental boiler-plate 12
℃。
Wherein, when carrying out 20 DEG C~0 DEG C cooling, room temperature refrigeration compressor 1 works, and the cooling capacity of generation exchanges heat by room temperature
Cooling capacity is transmitted to room temperature-medium temperature by glycol water refrigerating medium and carried by the exchange of device system 3 to the room temperature refrigerating medium circulatory system 2
Cryogen heat exchanger system 4 is simulated in evaporator with vehicle environmental finally by cooling capacity indirect transfer to medium temperature evaporator system 8
Air exchanges heat in cabin 12, cools down to environment.
Wherein, the medium temperature is 0 DEG C~-45 DEG C.
Wherein, when carrying out 0 DEG C~-45 DEG C coolings, the medium temperature refrigeration compressor 5 by mid temperature heat exchanger system 7 with
The medium temperature refrigerating medium circulatory system 6 exchanges heat, and passes to medium temperature evaporator system 8 to vehicle environmental boiler-plate 12 and is cooled to -45 DEG C.
Wherein, when carrying out 0 DEG C~-45 DEG C coolings, the medium temperature refrigeration compressor 5 works, in the cooling capacity process of generation
The exchange of the warm refrigerating medium circulatory system 6 is to the medium temperature refrigerating medium circulatory system 7, by refrigerating medium by cooling capacity indirect transfer to medium temperature evaporator
System 8 exchanges heat with air in vehicle environmental boiler-plate 12 in evaporator, cools down to environment.
Wherein, the low temperature is -45 DEG C~-60 DEG C.
Wherein, when carrying out -45 DEG C~-60 DEG C coolings, cryogenic refrigeration compressor 9 works, and the cooling capacity of generation passes through pipeline
It directly into cryogenic vaporizer system 10, exchanges heat in evaporator with air in vehicle environmental boiler-plate 12, environment is carried out
Cooling.
Wherein, the medium temperature evaporator system 8 and 10 two systems of cryogenic vaporizer system are connected in parallel to vehicle environmental simultaneously
Boiler-plate 12, successively works, control cabinet temperature.
(3) beneficial effect
A kind of for simulated environment cabin pole cryogenic refrigerating unit present invention aims at being capable of providing, the system is with system
Low, the energy-efficient function of cold temperature, and refrigerating medium mode indirect refrigeration, device layout flexible form can be passed through.
Compared with prior art, cabin temperature is divided into three temperature-fall periods by the invention, and the present invention can basis
The needs of test control each compressor start, stopping by control system, are adjusted to experiment and need temperature；Creative use
Parallel design will be responsible for 20 DEG C~0 DEG C of room temperature refrigeration system, 0~-45 DEG C of middle temp, refrigerating system and -45 DEG C~-60 DEG C
Cryogenic refrigerating system be connected in parallel to vehicle environmental boiler-plate, realize the extremely low temperature test capability of vehicle environmental boiler-plate, low temperature system
Cold compressor uses overlapping pressure texture, being capable of more efficient, energy-efficient realization refrigeration cool-down effect；Creative is straight by compressor
It connects, two kinds of forms combinations of indirect refrigeration, while the cooling refrigeration for the environmental capsule being used for；Present system is easily operated, easy
In realization, environmental test efficiency can be effectively improved, there is preferable economic benefit and promotional value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of simulated environment pole cryogenic refrigerating unit of the invention；
In figure, 1: room temperature refrigeration compressor, 2: the room temperature refrigerating medium circulatory system, 3: room temperature heat exchanger system, 4: in room temperature-
Warm refrigerating medium heat exchanger system, 5: medium temperature refrigeration compressor, 6: the medium temperature refrigerating medium circulatory system, 7: mid temperature heat exchanger system, 8:
Medium temperature evaporator system, 9: cryogenic compressor system, 10: cryogenic vaporizer system, 11: control system, 12: vehicle environmental simulation
Cabin.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to of the invention
Specific embodiment is described in further detail.
To solve prior art problem, the present invention provides a kind of simulated environment cabin pole cryogenic refrigerating unit, as shown in Figure 1,
Described device includes: room temperature refrigeration compressor 1, the room temperature refrigerating medium circulatory system 2, room temperature heat exchanger system 3, room temperature-medium temperature load
Cryogen heat exchanger system 4, medium temperature refrigeration compressor 5, the medium temperature refrigerating medium circulatory system 6, mid temperature heat exchanger system 7, medium temperature evaporation
Device system 8, cryogenic refrigeration compressor 9, cryogenic vaporizer system 10, control system 11, vehicle environmental boiler-plate 12；
For the vehicle environmental boiler-plate 12 by control system 11, control cabinet temperature is 20 DEG C~-60 DEG C；
Wherein, room temperature refrigeration compressor 1, the room temperature refrigerating medium circulatory system 2, room temperature heat exchanger system 3, room temperature-medium temperature carry
Cryogen heat exchanger system 4, medium temperature evaporator system 8 are used to carry out room temperature cooling under the control of control system 11；
Medium temperature refrigeration compressor 5, the medium temperature refrigerating medium circulatory system 6, mid temperature heat exchanger system 7, medium temperature evaporator system 8 are used
The cooling of medium temperature environment temperature is carried out under the control in control system 11；
Cryogenic refrigeration compressor 9, cryogenic vaporizer system 10 under the control of control system 11 for carrying out low temperature environment
Greenhouse cooling.
Wherein, the room temperature is 20 DEG C~0 DEG C.
Wherein, when carrying out 20 DEG C~0 DEG C cooling, room temperature refrigeration compressor 1 is carried by room temperature heat exchanger system 3 and room temperature
Refrigerant cycle system 2 exchanges heat, and passes to room temperature-medium temperature refrigerating medium heat exchanger system 4 and is cooled to 0 to vehicle environmental boiler-plate 12
℃。
Wherein, when carrying out 20 DEG C~0 DEG C cooling, room temperature refrigeration compressor 1 works, and the cooling capacity of generation exchanges heat by room temperature
Cooling capacity is transmitted to room temperature-medium temperature by glycol water refrigerating medium and carried by the exchange of device system 3 to the room temperature refrigerating medium circulatory system 2
Cryogen heat exchanger system 4 is simulated in evaporator with vehicle environmental finally by cooling capacity indirect transfer to medium temperature evaporator system 8
Air exchanges heat in cabin 12, cools down to environment.
Wherein, the medium temperature is 0 DEG C~-45 DEG C.
Wherein, when carrying out 0 DEG C~-45 DEG C coolings, the medium temperature refrigeration compressor 5 by mid temperature heat exchanger system 7 with
The medium temperature refrigerating medium circulatory system 6 exchanges heat, and passes to medium temperature evaporator system 8 to vehicle environmental boiler-plate 12 and is cooled to -45 DEG C.
Wherein, when carrying out 0 DEG C~-45 DEG C coolings, the medium temperature refrigeration compressor 5 works, in the cooling capacity process of generation
The exchange of the warm refrigerating medium circulatory system 6 is to the medium temperature refrigerating medium circulatory system 7, by refrigerating medium by cooling capacity indirect transfer to medium temperature evaporator
System 8 exchanges heat with air in vehicle environmental boiler-plate 12 in evaporator, cools down to environment.
Wherein, the low temperature is -45 DEG C~-60 DEG C.
Wherein, when carrying out -45 DEG C~-60 DEG C coolings, cryogenic refrigeration compressor 9 works, and the cooling capacity of generation passes through pipeline
It directly into cryogenic vaporizer system 10, exchanges heat in evaporator with air in vehicle environmental boiler-plate 12, environment is carried out
Cooling.
Wherein, the medium temperature evaporator system 8 and 10 two systems of cryogenic vaporizer system are connected in parallel to vehicle environmental simultaneously
Boiler-plate 12, successively works, control cabinet temperature.
Wherein, room temperature refrigeration compressor uses single stage compress, and medium temperature refrigeration compressor uses two-stage compression refrigeration form, low
Warm refrigeration compressor compresses refrigeration form using overlapping.
Three kinds of form compressors are each responsible for 20 DEG C~0 DEG C, 0 DEG C~-45 DEG C and -45 DEG C~-60 DEG C of test refrigeration drop
Temperature.
Medium temperature secondary refrigerant system includes stainless steel coolant ducts and medium temperature refrigerating medium, guarantees the cooling capacity transitivity of system
Energy.
The refrigeration cool-down that the present invention has cryogenic refrigeration compressor set to be responsible for pole low-temperature test, minimum temperature can achieve -65
DEG C, it can satisfy the low-temperature test demand of current most vehicles.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of simulated environment cabin pole cryogenic refrigerating unit, which is characterized in that described device include: room temperature refrigeration compressor (1),
The room temperature refrigerating medium circulatory system (2), room temperature heat exchanger system (3), room temperature-medium temperature refrigerating medium heat exchanger system (4), medium temperature refrigeration
Compressor (5), the medium temperature refrigerating medium circulatory system (6), mid temperature heat exchanger system (7), medium temperature evaporator system (8), cryogenic refrigeration
Compressor (9), cryogenic vaporizer system (10), control system (11), vehicle environmental boiler-plate (12)；
For the vehicle environmental boiler-plate (12) by control system (11), control cabinet temperature is 20 DEG C~-60 DEG C；
Wherein, room temperature refrigeration compressor (1), the room temperature refrigerating medium circulatory system (2), room temperature heat exchanger system (3), room temperature-medium temperature
Refrigerating medium heat exchanger system (4), medium temperature evaporator system (8) are used to carry out room temperature cooling under the control of control system (11)；
Medium temperature refrigeration compressor (5), the medium temperature refrigerating medium circulatory system (6), mid temperature heat exchanger system (7), medium temperature evaporator system
(8) for carrying out the cooling of medium temperature environment temperature under the control of control system (11)；
Cryogenic refrigeration compressor (9), cryogenic vaporizer system (10) are used to carry out low temperature ring under the control of control system (11)
Border greenhouse cooling.
2. simulated environment cabin as described in claim 1 pole cryogenic refrigerating unit, which is characterized in that the room temperature is 20 DEG C~0
℃。
3. simulated environment cabin as claimed in claim 2 pole cryogenic refrigerating unit, which is characterized in that carrying out 20 DEG C~0 DEG C drop
Wen Shi, room temperature refrigeration compressor (1) are exchanged heat by room temperature heat exchanger system (3) and the room temperature refrigerating medium circulatory system (2), are passed to
Room temperature-medium temperature refrigerating medium heat exchanger system (4) is cooled to 0 DEG C to vehicle environmental boiler-plate (12).
4. simulated environment cabin as claimed in claim 3 pole cryogenic refrigerating unit, which is characterized in that carrying out 20 DEG C~0 DEG C drop
The cooling capacity of Wen Shi, room temperature refrigeration compressor (1) work, generation are followed by room temperature heat exchanger system (3) exchange to room temperature refrigerating medium
Cooling capacity is transmitted to room temperature-medium temperature refrigerating medium heat exchanger system (4) by glycol water refrigerating medium by loop system (2), finally will
Cooling capacity indirect transfer exchanges heat in evaporator with vehicle environmental boiler-plate (12) interior air to medium temperature evaporator system (8),
Cool down to environment.
5. simulated environment cabin as described in claim 1 pole cryogenic refrigerating unit, which is characterized in that the medium temperature is 0 DEG C~-45
℃。
6. simulated environment cabin as claimed in claim 5 pole cryogenic refrigerating unit, which is characterized in that carrying out 0 DEG C~-45 DEG C drops
Wen Shi, the medium temperature refrigeration compressor (5) are exchanged heat by mid temperature heat exchanger system (7) and the medium temperature refrigerating medium circulatory system (6), are passed
It passs medium temperature evaporator system (8) and is cooled to -45 DEG C to vehicle environmental boiler-plate (12).
7. simulated environment cabin as claimed in claim 6 pole cryogenic refrigerating unit, which is characterized in that carrying out 0 DEG C~-45 DEG C drops
Wen Shi, medium temperature refrigeration compressor (5) work, the cooling capacity of generation are exchanged by the medium temperature refrigerating medium circulatory system (6) to medium temperature
The refrigerating medium circulatory system (7), by refrigerating medium by cooling capacity indirect transfer to medium temperature evaporator system (8), in evaporator with vehicle
Environmental capsule (12) interior air exchanges heat, and cools down to environment.
8. simulated environment cabin as described in claim 1 pole cryogenic refrigerating unit, which is characterized in that the low temperature be -45 DEG C~-
60℃。
9. simulated environment cabin as claimed in claim 8 pole cryogenic refrigerating unit, which is characterized in that carrying out -45 DEG C~-60 DEG C
When cooling, cryogenic refrigeration compressor (9) work, the cooling capacity of generation, directly into cryogenic vaporizer system (10), is being steamed by pipeline
It exchanges heat in hair device with vehicle environmental boiler-plate (12) interior air, cools down to environment.
10. simulated environment cabin as claimed in claim 9 pole cryogenic refrigerating unit, which is characterized in that medium temperature evaporator system
System (8) and cryogenic vaporizer system (10) two systems are connected in parallel to vehicle environmental boiler-plate (12) simultaneously, successively work, control cabinet
Temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910236497.XA CN109959178A (en) | 2019-03-27 | 2019-03-27 | Simulated environment cabin pole cryogenic refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910236497.XA CN109959178A (en) | 2019-03-27 | 2019-03-27 | Simulated environment cabin pole cryogenic refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109959178A true CN109959178A (en) | 2019-07-02 |
Family
ID=67025068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910236497.XA Pending CN109959178A (en) | 2019-03-27 | 2019-03-27 | Simulated environment cabin pole cryogenic refrigerating unit |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61259059A (en) * | 1985-05-13 | 1986-11-17 | オリオン機械株式会社 | Two-diemensional type refrigerator |
| JP4476214B2 (en) * | 2005-12-09 | 2010-06-09 | エスペック株式会社 | Air conditioner and environmental test equipment |
| CN201983514U (en) * | 2011-02-17 | 2011-09-21 | 中国人民解放军63956部队 | Cold start environmental test chamber |
| CN104807276A (en) * | 2015-05-07 | 2015-07-29 | 天津商业大学 | Three-stage step cooling super-low temperature cold store |
| CN205002436U (en) * | 2015-08-31 | 2016-01-27 | 沈阳大容冷暖科技有限公司 | Many temperature refrigerating system that connects in parallel |
| CN105972849A (en) * | 2016-03-25 | 2016-09-28 | 合肥天鹅制冷科技有限公司 | Wide temperature range cooling liquid supply system |
| CN106227276A (en) * | 2016-08-31 | 2016-12-14 | 武汉克莱美特环境设备有限公司 | High-and-low temperature humid heat test box temperature accuracy-control system and method |
| CN107923668A (en) * | 2015-06-05 | 2018-04-17 | 伸和控制工业股份有限公司 | Environment test device |
-
2019
- 2019-03-27 CN CN201910236497.XA patent/CN109959178A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61259059A (en) * | 1985-05-13 | 1986-11-17 | オリオン機械株式会社 | Two-diemensional type refrigerator |
| JP4476214B2 (en) * | 2005-12-09 | 2010-06-09 | エスペック株式会社 | Air conditioner and environmental test equipment |
| CN201983514U (en) * | 2011-02-17 | 2011-09-21 | 中国人民解放军63956部队 | Cold start environmental test chamber |
| CN104807276A (en) * | 2015-05-07 | 2015-07-29 | 天津商业大学 | Three-stage step cooling super-low temperature cold store |
| CN107923668A (en) * | 2015-06-05 | 2018-04-17 | 伸和控制工业股份有限公司 | Environment test device |
| CN205002436U (en) * | 2015-08-31 | 2016-01-27 | 沈阳大容冷暖科技有限公司 | Many temperature refrigerating system that connects in parallel |
| CN105972849A (en) * | 2016-03-25 | 2016-09-28 | 合肥天鹅制冷科技有限公司 | Wide temperature range cooling liquid supply system |
| CN106227276A (en) * | 2016-08-31 | 2016-12-14 | 武汉克莱美特环境设备有限公司 | High-and-low temperature humid heat test box temperature accuracy-control system and method |
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Application publication date: 20190702 |