CN206019132U - A kind of gas medium high/low temperature heat transfer system - Google Patents
A kind of gas medium high/low temperature heat transfer system Download PDFInfo
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- CN206019132U CN206019132U CN201621035700.5U CN201621035700U CN206019132U CN 206019132 U CN206019132 U CN 206019132U CN 201621035700 U CN201621035700 U CN 201621035700U CN 206019132 U CN206019132 U CN 206019132U
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Abstract
The utility model provides a kind of gas medium high/low temperature heat transfer system, including：Admission line, refrigerating plant, heating combined equipment, gas actuating device, test device and outlet pipe；One end of the admission line is connected with air intake, is connected with refrigerating plant, heating combined equipment, gas actuating device and test device on admission line in turn, and the test device is connected with one end of outlet pipe, and the other end of outlet pipe is connected with admission line.Refrigerating plant of the present utility model is used for lowering the temperature gas medium, heating combined equipment is used for heating up gas medium, gas actuating device drives the flowing of gas medium, gas medium is made to be lowered the temperature the surface of product or be heated up, when being tested, gas medium can be passed through inside test product, the surface of tested product can also directly be purged, a kind of high temperature or low temperature environment can also be built to tested product, so as to reach the purpose for test product being heated up or being lowered the temperature.
Description
Technical field
The utility model is related to the technical field of high/low temperature test device, passes more particularly, to a kind of gas medium high/low temperature
Hot systems.
Background technology
Electronic devices and components are the parts of small machines and instrument, and integrated circuit to be one kind adopt special process, will
The integrated device with certain function that formed on a silicon substrate of above-mentioned electronic devices and components, by above-mentioned electronic devices and components and integrated
Circuit assembly is together, it becomes possible to be assembled into the electronic installation that people need to use, with the continuous development of society, electronic installation
Become becomes increasingly complex, this require electronic installation have reliability is high, the speed of service is fast, power consumption is little and quality
Gently, the features such as miniaturization, low cost, to meet the requirement of electronic installation complication.And during Electronic Components Manufacturing,
Underproof product often occurs, these underproof products generally have certain defect, such as：Defective workmanship, first device
Part defect and design defect etc., defective workmanship are primarily referred to as what inappropriate technology was caused, common such as rosin joint, release, rupture, opening
Road, short circuit etc., components and parts defect are primarily referred to as that components and parts itself are with low quality or the screening of components and parts environmental test is not thoroughly caused
, design defect is primarily referred to as designing unreasonable causing.
In the stage of the development and technological development of electronic devices and components, need to carry out environmental test to electronic devices and components, so as to
Bad part is fast and accurately found and excluded, and prevents electronic devices and components from initial failure occur, described environmental test is
Refer to the series of experiments carried out under environmental stress by electronic devices and components, its objective is before product is produced, intentionally should environment
Power is applied on product, is made product latent defect accelerated development become initial failure, and is excluded, and environmental stress screening is to pick
Except product defects and raising product are using a kind of effective process meanses of reliability, carry out the test needed for environmental stress screening and set
Standby commonly referred to environmental test chamber, described environmental test chamber can adopt liquid nitrogen thermoregulating system, the temperature range of selection for-
180 DEG C～+160 DEG C, or adopt gas nitrogen thermoregulating system, the temperature range of selection is -160 DEG C～+160 DEG C, or using leading
Deep fat thermoregulating system, the temperature range of selection is -80 DEG C～+150 DEG C, or adopts ethanol thermoregulating system, the humidity province of selection
Between be -110 DEG C～+20 DEG C.
In the above prior art, by analysis, described liquid nitrogen thermoregulating system has that warm area is wide, rate of temperature fall is big
The advantages of, but as liquid nitrogen has phase transformation, temperature uniformity is poor, it is desirable to have supporting liquid nitrogen system, causes the cost for using too
Greatly, and using when liquid nitrogen can not recycle, cause a part of liquid nitrogen to waste；Described gas nitrogen thermoregulating system has warm area
Extensively, the advantages of temperature homogeneity is good, but a disadvantage is that needing supporting liquid nitrogen system, causes the high cost for using, and makes
Used time nitrogen can not be recycled；The advantage of described conduction oil thermoregulating system is that temperature homogeneity is good, but heat conduction during high temperature
Oil has the restriction of flash-point, easily causes the security incidents such as blast more than during flash-point, and during low temperature, conduction oil has the restriction of pour point, is less than
Pour point conduction oil would not flow, and cause solidification, and the high cost of conduction oil, apply on this equipment input cost compared with
High；Described ethanol thermoregulating system is easily subject to low-flash restriction in high temperature, extremely inflammable and explosive, has not eliminable safety
Hidden danger.
Utility model content
The purpose of this utility model is to provide a kind of gas medium high/low temperature heat transfer system, to solve to deposit in prior art
, during from liquid nitrogen thermoregulating system or gas nitrogen thermoregulating system, the high cost for using, and when using, liquid nitrogen or nitrogen can not
Recycle, when being used from conduction oil thermoregulating system, conduction oil is limited by temperature range, and temperature uniformity is poor, select
Ethanol thermoregulating system be present.
A kind of gas medium high/low temperature heat transfer system that the utility model is provided, including：Admission line, refrigerating plant, system
Thermal, gas actuating device, test device and outlet pipe；
One end of the admission line is connected with air intake, is connected with refrigerating plant in turn, heats dress on admission line
Put, gas actuating device and test device, the test device is connected with one end of outlet pipe, the other end of outlet pipe with
Admission line connects.
Further, the product in the test device is the internal cold drawing with runner, or in the test device
Product be electronic devices and components, the electronic devices and components are fixed on the internal cold drawing with runner, have many on the cold drawing
The individual gas outlet communicated with runner.
Further, the test device is heat sink, and tested product is arranged on heat sink interior.
Further, the gas treatment for being capable of eliminating water, oil removing, dedusting and compressed gas is also associated with the admission line
Device.
Further, the refrigerating plant is connected with the first check valve for preventing cold air from flowing back, the heating combined equipment connection
Having prevents the second check valve of hot gas re-flow.
Further, the gas actuating device is connected with frequency converter.
Further, the gas actuating device is also associated with temperature sensor.
Further, the gas medium temperature scope of the admission line is -120 DEG C～+160 DEG C, gas medium pressure
Scope is 0barg～10barg.
Further, the refrigerating plant adopts nature cascade refrigeration mode, or adopts three-level cascade refrigeration mode, institute
The minimum evaporating temperature scope for stating refrigerating plant is -123 DEG C ± 3 DEG C.
Further, the heating combined equipment is gas heater, and heat flow density scope is 2.0W/cm2～4.0W/cm2.
A kind of gas medium high/low temperature heat transfer system that the utility model is provided, including being connected in turn on admission line
Refrigerating plant, heating combined equipment, gas actuating device and test device, described refrigerating plant can be to passing through in admission line
Gas carries out the temperature of gas medium to be reduced, and described heating combined equipment can carry out gas Jie to the gas passed through in admission line
The temperature of matter is raised, and the gas actuating device is the circulatory system power source of gas medium, drives gas media flow, described
Placing in test device needs the product of test, is fixed, in the present system, the refrigerating plant and system to the position of product
Thermal is connected in series on admission line, refrigerating plant can be activated individually, or heating combined equipment is activated individually during use, point
Temperature-fall period or temperature-rise period are not carried out using refrigerating plant or heating combined equipment to product, the test device connects outlet
One end of pipeline, the other end of outlet pipe are connected with admission line, after gas medium is using finishing, can be along outlet pipe
Admission line is back to, use is circulated, so as to save the energy, said system cost of investment of the present utility model is low, makes
With safety, good reliability.
Description of the drawings
In order to be illustrated more clearly that the utility model specific embodiment, below will be to using required for specific embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is structural representation of the present utility model；
Structural representations of the Fig. 2 for the utility model embodiment one；
Structural representations of the Fig. 3 for the utility model embodiment two；
Structural representations of the Fig. 4 for the utility model embodiment three.
Reference：
11- admission lines；12- refrigerating plants；13- heating combined equipments；
14- gas actuating devices；15- test devices；16- outlet pipes；
17- gas treatment equipments；The first check valves of 121-；The second check valves of 131-；
141- frequency converters；142- temperature sensors.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Embodiment in based on the utility model, this
The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to this practicality
Novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", " level ", " top surface ", etc. the orientation of instruction or position relationship be based on orientation shown in the drawings or position relationship, be only for
Be easy to describe the utility model and simplify description, rather than indicate or hint indication device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ",
" second " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " connects "
Should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；It can be direct phase
Even, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, can be with concrete condition understanding
State concrete meaning of the term in the utility model.
Fig. 1 is structural representation of the present utility model；Structural representations of the Fig. 2 for the utility model embodiment one；Fig. 3 is
The structural representation of the utility model embodiment two；Structural representations of the Fig. 4 for the utility model embodiment three.
As shown in figure 1, the utility model provides a kind of gas medium high/low temperature heat transfer system, including：Admission line 11, system
Device for cooling 12, heating combined equipment 13, gas actuating device 14, test device 15 and outlet pipe 16；
One end of the admission line 11 is connected with air intake, be connected with turn on admission line 11 refrigerating plant 12,
Heating combined equipment 13, gas actuating device 14 and test device 15, the test device 15 are connected with one end of outlet pipe 16, are gone out
The other end of feed channel 16 is connected with admission line 11.
A kind of described gas medium high/low temperature heat transfer system adopts closed system, and the refrigerating plant 12 is used for reducing
Temperature of the gas medium in the circulatory system, the heating combined equipment 13 are used for improving temperature of the gas medium in the circulatory system,
The gas actuating device 14 drives the gas medium of cold gas medium or heat, makes gas medium flow to tested product,
Tested product is heated up or is lowered the temperature, the gas medium the temperature of regulation, in pressure limit without phase transformation, and gas
Body medium adopts nonflammable, non-explosive, nontoxic, non-corrosive gas, and described gas can adopt nitrogen, argon gas, R14 and
Any one of air.
Further, the product in the test device 15 is the internal cold drawing with runner, or the test device
Product in 15 is electronic devices and components, and the electronic devices and components are fixed on inside to be had on the cold drawing of runner, has on the cold drawing
There are multiple gas outlets communicated with runner.
When the test product is the cold drawing that inside has runner, gas medium is flowed into along one end of runner, and gas is situated between
Matter enters air stream enter runner, and after the medial surface of cold drawing is heated up or lowered the temperature, gas medium is flowed out along the other end of runner, so as to reach
To the purpose for cold drawing being heated up or lowered the temperature；When the test product is electronic devices and components, due to the body of electronic devices and components
Product is little, it has not been convenient to fixed, electronic devices and components can be fixed on the internal cold drawing top with runner, and gas medium is along cold drawing
Runner one end flow into, gas medium is flowed out along the gas outlet on cold drawing top, and the gas medium at gas outlet directly purges electricity
The surface of sub- components and parts, after being heated up to electronic devices and components or being lowered the temperature, gas medium is flowed out further along the other end of runner,
So as to reach the purpose for electronic devices and components being heated up or being lowered the temperature.
Further, the test device 15 is heat sink, and tested product is arranged on heat sink interior.
When the test product is cylindric, test product can be directly placed in test device 15, test device
15, using heat sink in thermal vacuum test facility, are firmly fixed to product heat sink interior, and gas medium is directly entered thermal vacuum
Heat sink in tank, flow along heat sink pipeline or inwall, product is heated up along around product or lowered the temperature, made
Temperature around product is more uniform, and after being heated up to product or being lowered the temperature, gas medium is flowed out along heat sink pipeline, is reached
To the purpose for product being heated up or lowered the temperature.
Further, being also associated with the admission line 11 can be at the gas of eliminating water, oil removing, dedusting and compressed gas
Reason device 17.
Steam-water separator, oil water separator, dust removal filter and air compressor is respectively adopted to remove gas medium
Water, oil removing, dedusting and compressed gas are processed, by gas treatment into the gas medium that can reach use demand.
Further, the refrigerating plant 12 is connected with the first check valve 121 for preventing cold air from flowing back, the heating combined equipment
13 are connected with the second check valve 131 for preventing hot gas re-flow.
After the refrigerating plant 12 starts, during closing, a part of gas medium backflow can be produced, for preventing gas medium from returning
The pollution that stream is caused, connects the first check valve 121 on refrigerating plant 12, after the heating combined equipment 13 starts, during closing, also can
A part of gas medium backflow is produced, for the pollution for preventing gas medium backflow from causing, connection second is single on heating combined equipment 13
To valve 131.
Further, the gas actuating device 14 is connected with frequency converter 141.
The frequency converter 141 is connected on gas actuating device 14, stream that can at any time to the gas medium of air outlet
Amount is adjusted, and according to the needs of test product, the flow of gas medium is increased or is reduced.
Further, the gas actuating device 14 is also associated with temperature sensor 142.
Described temperature sensor 142 is connected to the air outlet of gas actuating device 14, is easy in time to air outlet
Temperature is measured.
The gas actuating device 14 adopts high pressure positive blower, and model F-2000 of high pressure positive blower, high pressure positive blower are whole
The power source of the gas medium circulatory system, belongs to core component, and described high pressure positive blower must meet following condition：Operating pressure is most
High level is 10barg, and total head is sufficiently large, can overcome all resistances of system, the temperature resistant range of sealing structure -120 DEG C～+
Between 160 DEG C.
Further, the gas medium temperature scope of the admission line 11 is -120 DEG C～+160 DEG C, gas medium pressure
Power scope is 0barg～10barg.
Further, the refrigerating plant 12 adopts nature cascade refrigeration mode, or adopts three-level cascade refrigeration mode,
The minimum evaporating temperature scope of the refrigerating plant 12 is -123 DEG C ± 3 DEG C.
Model ZL-120 of the refrigerating plant 12, by evaporimeter heat-shift, to realize the temperature of gas medium
Reduce；The refrigerating plant 12 by the way of nature overlapping, due to only with a compressor, taking up room little, low cost,
But temperature control can not be carried out, the refrigerating plant 12 by the way of three-level overlapping, due to adopt three compressors, although take
Space is big, but can carry out temperature control.
Further, the heating combined equipment 13 is gas heater, and heat flow density scope is 2.0W/cm2～4.0W/cm2.
Model H-10 of the gas heater, heater of the gas heater for density of geothermal heat flow, due to this
The density of the density ratio common liquid medium of system gas medium is little, about 1%, the specific heat capacity of the system gas medium with common
Liquid medium is compared also little, less than 50%, breaks down in order to avoid the temperature on gas heater surface is too high, and gas is heated
The heat flow density scope on device surface is in 2.0W/cm2～4.0W/cm2Between, gas medium enters gas heater, heating from import
Afterwards, gas medium leaves gas heater from outlet, the internal diameter of the gas heater than larger, to reduce air resistance, from
And reduce the flow velocity of gas.The exit of the gas actuating device 14 is connected with the first safety valve, the test device 15
Entrance is connected with the second safety valve, and when internal system pressure is too high, the first described safety valve and the second safety valve can
Play a part of pressure release, so as to the safety of protection system.
Embodiment one
As shown in Fig. 2 the product that places in test device of the present utility model 15 is：The internal cold drawing with runner, quilt
The Current surface temperature of test cold drawing is 20 DEG C, i.e. normal temperature state, and test objective is test property of the cold drawing under+150 DEG C of environment
Energy.Open the first check valve 121 and the second check valve 131 successively, when internal system gas pressure value is less than desired value, open
One end of admission line 11, makes extraneous gas enter gas treatment equipment 17 along admission line 11, carries out eliminating water to gas, removes
Oil, dedusting and compression are processed, and close refrigerating plant 12, and the first check valve 121 prevents cold air medium back flow, opens heating combined equipment
13, the second check valve 131 prevents hot gas medium from flowing back, when internal system gas pressure value reaches desired value, now air inlet pipe
Gas in road 11 progresses into heating combined equipment 13 and is heated, and after heating is finished, the temperature of gas medium rises to+150 DEG C, so
Driven by gas actuating device 14 along admission line 11 afterwards, the flow velocity of gas medium be adjusted using frequency converter 141,
Temperature sensor 142 is transmitted to the Current Temperatures of gas medium in time, gas actuating device 14 by heating after gas medium push away
Send in test device 15, now gas medium is lowered the temperature along the flow passage inside cold drawing to cold drawing, gas medium stream
After crossing cold drawing, admission line 11 is flow to along outlet pipe 16, open refrigerating plant 12, gas medium is freezed, then is beaten
Heating combined equipment 13 is opened, gas medium is heated, gas medium enters outlet pipe 16 along admission line 11, completes gas
The circulation of medium.
Embodiment two
As shown in figure 3, the product that places in test device of the present utility model 15 is：Inside does not have multiple electronics of runner
Components and parts, multiple electronic devices and components are connected together in the fixing hole on cold drawing, the Current surface of tested electronic devices and components
Temperature is+150 DEG C, the i.e. condition of high temperature, and test objective is test performance of the electronic devices and components under -100 DEG C of environment.Beat successively
The first check valve 121 and the second check valve 131 is opened, when internal system gas pressure value is less than desired value, admission line is opened
11 one end, makes extraneous gas enter gas treatment equipment 17 along admission line 11, carries out eliminating water, oil removing, dedusting to gas
Process with compression, open refrigerating plant 12, the first check valve 121 prevents cold air medium back flow, close heating combined equipment 13, second is single
Prevent hot gas medium from flowing back to valve 131, when internal system gas pressure value reaches desired value, the now gas in admission line 11
Body progresses into refrigerating plant 12 and is freezed, and after refrigeration is finished, the temperature of gas medium is reduced to -100 DEG C, then along
Admission line 11 is driven by gas actuating device 14, the flow velocity of gas medium is adjusted using frequency converter 141, and temperature is passed
Sensor 142 is transmitted to the Current Temperatures of gas medium in time, gas actuating device 14 by refrigeration after gas medium push into survey
Trial assembly is put in 15, and now gas medium is flowed out from the gas outlet on cold drawing top, on cold drawing along the flow passage inside cold drawing
The surface of multiple electronic devices and components lowered the temperature, after gas medium flows through cold drawing, the temperature of gas medium is raised, and is risen
Height has arrived -80 DEG C, flow to admission line 11 along outlet pipe 16, opens refrigerating plant 12, gas medium is freezed,
Make the temperature of gas medium be reduced to -100 DEG C, close heating combined equipment 13, the gas medium after refrigeration is pushed into test device 15
Interior, electronic devices and components to be freezed again, after refrigeration is finished, gas medium enters outlet pipe 16 along admission line 11,
Complete the circulation of gas medium.
Embodiment three
As shown in figure 4, the structure of test device of the present utility model 15 is：Heat sink in thermal vacuum test facility, will be by
Test product is placed on heat sink interior, and the Current surface temperature of tested product is+150 DEG C, the i.e. condition of high temperature, and test objective is for surveying
Performance of the trial product under -100 DEG C of environment.First check valve 121 and second check valve 131 are opened successively, when internal system gas
One end of admission line 11 when body pressure value is less than desired value, is opened, extraneous gas is entered at gas along admission line 11
Reason device 17, carries out eliminating water, oil removing, dedusting and compression and processes, open refrigerating plant 12 to gas, and the first check valve 121 is prevented
Gas medium flows back, and closes heating combined equipment 13, and the second check valve 131 prevents gas medium from flowing back, when internal system gas pressure
When value reaches desired value, now the gas in admission line 11 progresses into refrigerating plant 12 and is freezed, after refrigeration is finished, gas
The temperature of body medium is reduced to -100 DEG C, is driven by gas actuating device 14 then along admission line 11, using frequency converter
The flow velocity of 141 pairs of gas mediums is adjusted, and temperature sensor 142 is transmitted to the Current Temperatures of gas medium in time, and gas drives
Dynamic device 14 by refrigeration after gas medium push in test device 15, now gas medium is along heat sink pipeline or interior
Wall flow, product is lowered the temperature from around product, gas medium flow through heat sink after, the temperature of gas medium is risen
Height, has been increased to -80 DEG C, flow to admission line 11 along outlet pipe 16, opens refrigerating plant 12, gas medium is carried out
Refrigeration, makes the temperature of gas medium be reduced to -100 DEG C, closes heating combined equipment 13, and the gas medium after refrigeration is pushed into test
In device 15, product is freezed again, after refrigeration is finished, gas medium enters outlet pipe 16 along admission line 11,
Complete the circulation of gas medium.
Drawn by the analysis of above example to draw a conclusion, table 1 is gas medium high/low temperature of the present utility model heat transfer system
The performance comparison that unites with multiple environment test devices used in the prior art：
Table 1
Contrasted from data above, the utility model compared with prior art, breaches liquid thermal conductivity media and realized
High temperature and low temperature the limit, eliminate liquid thermal conductivity media temperature more than potential safety hazard during flash-point, breach gas nitrogen temperature adjustment
The restriction of system high cost, use temperature range width of the present utility model, rate temperature change are stable, and good evenness, during use
Security is good, and cost of investment is low.
A kind of gas medium high/low temperature heat transfer system that the utility model is provided, is sequentially connected gas on the admission line
Processing meanss, refrigerating plant, heating combined equipment, gas actuating device and test device, advanced after gas medium entrance admission line
Row eliminating water, oil removing, dedusting and compression are processed, can an opening refrigerating plant, cooling process is carried out to gas medium, after cooling
Gas medium carries out cooling process to test product, it is also possible to only opens heating combined equipment, carries out hyperthermic treatment to gas medium, rises
Gas medium after temperature carries out hyperthermic treatment to test product, and the gas actuating device drives the flowing of gas medium, makes gas
The efficiency of transmission of body medium is high, finally makes test product receive the cold or heat of gas medium, reaches to test product
The purpose that is lowered the temperature or heated up.When being tested, described gas medium can be passed through inside test product, for example：
Cold drawing, it is also possible to directly purge the surface of tested product, for example：Electronic devices and components on cold drawing, can also give quilt
Test product builds a kind of high temperature or low temperature environment, for example：By test product installed in heat sink interior, so as to reach to tested
The purpose that product is heated up or lowered the temperature, different using above-mentioned three kinds by the way of, product can uniformly be heated up or
Person lowers the temperature, good test effect, and measurement is accurately.
Finally it should be noted that：Various embodiments above is only in order to illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of gas medium high/low temperature heat transfer system, it is characterised in that include：Admission line (11), refrigerating plant (12), system
Thermal (13), gas actuating device (14), test device (15) and outlet pipe (16)；
The one end of admission line (11) is connected with air intake, and admission line is connected with refrigerating plant in turn on (11)
(12), heating combined equipment (13), gas actuating device (14) and test device (15), test device (15) and outlet pipe
(16) one end connection, the other end of outlet pipe (16) are connected with admission line (11).
2. gas medium high/low temperature heat transfer system according to claim 1, it is characterised in that in test device (15)
Product be the internal cold drawing with runner, or the product in the test device (15) is electronic devices and components, the electronics
Components and parts are fixed on the internal cold drawing with runner, and there are on the cold drawing multiple gas outlets communicated with runner.
3. gas medium high/low temperature heat transfer system according to claim 1, it is characterised in that test device (15) are
Heat sink, tested product is arranged on heat sink interior.
4. gas medium high/low temperature heat transfer system according to claim 1, it is characterised in that on admission line (11)
It is also associated with the gas treatment equipment (17) for being capable of eliminating water, oil removing, dedusting and compressed gas.
5. gas medium high/low temperature heat transfer system according to claim 1, it is characterised in that described refrigerating plant (12) even
The first check valve (121) for preventing cold air from flowing back is connected to, heating combined equipment (13) are connected with the second list for preventing hot gas re-flow
To valve (131).
6. gas medium high/low temperature heat transfer system according to claim 1, it is characterised in that the gas actuating device
(14) frequency converter (141) is connected with.
7. gas medium high/low temperature heat transfer system according to claim 6, it is characterised in that the gas actuating device
(14) temperature sensor (142) is also associated with.
8. gas medium high/low temperature heat transfer system according to claim 1, it is characterised in that admission line (11)
Gas medium temperature scope is -120 DEG C～+160 DEG C, and gas medium pressure scope is 0barg～10barg.
9. gas medium high/low temperature heat transfer system according to claim 1, it is characterised in that refrigerating plant (12) adopt
With natural cascade refrigeration mode, or adopt three-level cascade refrigeration mode, the minimum evaporating temperature model of refrigerating plant (12)
Enclose for -123 DEG C ± 3 DEG C.
10. gas medium high/low temperature heat transfer system according to claim 1, it is characterised in that heating combined equipment (13)
For gas heater, heat flow density scope is 2.0W/cm2～4.0W/cm2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035700.5U CN206019132U (en) | 2016-08-31 | 2016-08-31 | A kind of gas medium high/low temperature heat transfer system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035700.5U CN206019132U (en) | 2016-08-31 | 2016-08-31 | A kind of gas medium high/low temperature heat transfer system |
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| CN206019132U true CN206019132U (en) | 2017-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225390A (en) * | 2016-08-31 | 2016-12-14 | 北京瑞尔腾普科技有限公司 | A kind of gas medium high/low temperature heat transfer system |
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2016
- 2016-08-31 CN CN201621035700.5U patent/CN206019132U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225390A (en) * | 2016-08-31 | 2016-12-14 | 北京瑞尔腾普科技有限公司 | A kind of gas medium high/low temperature heat transfer system |
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