CN102748586A - Equipment for precisely proportionally sealing and uniformly mixing multi-path gas, and conveying multi-path gas at constant temperature and constant pressure - Google Patents
Equipment for precisely proportionally sealing and uniformly mixing multi-path gas, and conveying multi-path gas at constant temperature and constant pressure Download PDFInfo
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- CN102748586A CN102748586A CN201210256351XA CN201210256351A CN102748586A CN 102748586 A CN102748586 A CN 102748586A CN 201210256351X A CN201210256351X A CN 201210256351XA CN 201210256351 A CN201210256351 A CN 201210256351A CN 102748586 A CN102748586 A CN 102748586A
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- 238000007789 sealing Methods 0.000 title claims abstract description 87
- 238000002474 experimental method Methods 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims description 7
- 238000011160 research Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000007170 pathology Effects 0.000 abstract description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 4
- 231100000027 toxicology Toxicity 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 72
- 238000001816 cooling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
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Abstract
The invention provides equipment for precisely proportionally sealing and uniformly mixing multi-path gas, and conveying multi-path gas at constant temperature and constant pressure, and is characterized in that a main controller controls an intake precise proportion control valve so as to input multi-path gas at a predetermined proportion into a sealing and uniformly mixing tank body, and the multi-path gas is uniformly stirred in the sealing and uniformly mixing tank body through a motor provided with a fan, when a quick connector is not inserted, a gas pipeline is automatically sealed by an intake check valve, when the quick connector is inserted, the way of air source is connected instantly, a temperature sensor and a Peltier element can keep the temperature of the gas in the sealing and uniformly mixing tank body to conform to requirements under the control of the main controller, when the pressure detected by a pressure sensor conforms to conditions, the precisely proportionally and uniformly mixed multi-path gas at constant temperature and constant pressure is conveyed to carry out scientific experiments to a gas exposure bin through an outgoing gas flow control valve and an outgoing gas flow meter, if a fault occurs and the pressure in the sealing and uniformly mixing tank body exceeds a safe limit, a safety relief valve is opened to ensure safety of the whole equipment. The equipment can be widely applied to scientific researches in the fields of environmental protection, military science, inhalation toxicology, breathing pathology and the like.
Description
Technical field
The present invention provides the accurate ratio sealing of a kind of multipath gas mixing constant temperature and pressure conveying equipment.
Background technique
Intensification along with the variation of air environmental pollution, complicated and degree; In physicisms such as medical science, environtology, KNOWLEDGE OF MATERIAL, need simulate under the multiple gases mixed function and extensively carry out for the mankind and nature influence research how; One of them important step is the gas in the various source of the gas to be transported in the closed in space after according to accurate ratio sealing mixing laboratory apparatus, animal used as test or experiment material are exposed experiment under the condition of constant temperature and pressure; Obtain valuable data, reply and conclusion through this experiment, also can find out the method for clearing up, adsorbing and neutralizing through experiment.This type of experiment in the past mostly adopts individual event one by one or ratio of poor quality to carry out; There are not accurate ratio, temperature and pressure uncontrollable yet; Cause the not rigorous precision as a result that draws of experiment not high; This is a global difficult problem; Therefore thereby the development that has restricted association area research progressively draws attention in academia, designs and develops a kind of more science, more automation, the accurate ratio sealing of more accurate artificial simulation multipath gas mixing constant temperature and pressure conveying equipment and is connected to the sudden and violent cabin of gas and exposes experiment and become current urgent needs.
Summary of the invention
For addressing the above problem; The purpose of this invention is to provide the accurate ratio sealing of a kind of multipath gas mixing constant temperature and pressure conveying equipment; Comprise through control air inlet accurate proportional control valve the multipath gas of predetermined ratio being input in the sealing mixing tank body and by the band fan electromotor and stir in inside by master controller; The breather check valve door can be from this gas piping of motive sealing when rapid pipe joint is not inserted; Moment is connected this road inlet air source when rapid pipe joint is inserted; Temperature transducer and peltier-element keep the gas temperature in the sealing mixing tank body to meet the requirements under master controller control; Expose cabin with the flowmeter of giving vent to anger to gas through the flow control valve of giving vent to anger when eligible and carry the gas with accurate proportional multi-path mixing constant temperature and pressure to carry out scientific experiment when pressure transducer detects pressure, if break down when sealing mixing tank body internal pressure surpasses safety margin, relief valve is opened assurance entire equipment safety.This equipment has extensive use in the scientific research in fields such as atmosphere environmental protection, military science, suction toxicity, breathing pathology.
For realizing above-mentioned purpose; The technological scheme that the present invention adopts provides the accurate ratio sealing of a kind of multipath gas mixing constant temperature and pressure conveying equipment; Wherein: it is to be made into circuit controller spare by micro computer to connect temperature transducer collecting temperature signal through electronics that this equipment includes a master controller; Temperature transducer and peltier-element are installed on the tank body wall of sealing mixing tank body; Surface of peltier-element is exposed to a side in the sealing mixing tank body; Another surperficial held against heat sink is exposed to sealing mixing tank body space outerpace; Interior outer connection part sealed air-tight, the direct current positive electrode and the direct current negative electrode of peltier-element are connected on the master controller, by the direct current (d.c.) of master controller supply different direction utilize the characteristic of peltier-element be exactly when master controller control down supply of current get into through peltier-element from the direct current positive electrode and export from the direct current negative electrode again; Radiator absorbed high temperature and can supply with peltier-element from air this moment, and the heat of peltier-element side surface in sealing mixing tank body increases the gas temperature lifting that keeps in the sealing mixing tank body; And on the contrary when master controller control down supply of current get into through peltier-element from the direct current negative electrode and export from the direct current positive electrode again; Radiator absorbed low temperature and can supply with peltier-element in air this moment; Peltier-element side surface cooling in sealing mixing tank body impels the gas temperature in the sealing mixing tank body to reduce; Finally make the gas temperature in the sealing mixing tank body reach the requirement that meets setting eventually.Master controller also has programming of the artificial input of storage; Be connected on pressure transducer and the gas input flow rate meter according to program and electronics again; Connect the accurate proportional controller of control air inlet and give vent to anger flow control valve through electronics; Through control air inlet accurate proportional control valve the multipath gas of predetermined ratio is input in the sealing mixing tank body and by the band fan electromotor and stirs in inside; The band fan electromotor is that a special waterproof has sealing and is installed in sealing mixing tank body top; Its main body just is passed into running shaft in the sealing mixing tank body through seal ring outside sealing mixing tank body, on axle, installs fans again and has so not only guaranteed that airtight performance well but also can carry out gas at any time and evenly stir.The breather check valve door is a kind ofly to have special spring to promote valve gap to close the gas passageway automatically; Can be from this gas piping of motive sealing when rapid pipe joint is not inserted; But valve gap moment of after rapid pipe joint is inserted, utilizing the quick plug tip to back down to close is connected this road inlet air source, and the external diameter of quick plug can be combined closely to form gas seal and prevent and thrown off with the O-ring seal of breather check valve door inner ring.Expose cabin with the flowmeter of giving vent to anger to gas through the flow control valve of giving vent to anger when eligible and carry gas to carry out scientific experiment when pressure transducer detects pressure with accurate proportional multi-path mixing constant temperature and pressure; Relief valve is a gas pipeline of being fastened by the airtight valve gap of the spring constraint of can regulate strength size; Pipeline one end is directly connected on the tank body wall of sealing mixing tank body, if the relief valve that breaks down when sealing mixing tank body internal pressure surpasses safety margin is opened assurance entire equipment safety.This equipment has extensive use in the scientific research in fields such as environmental protection, military science, suction toxicity, breathing pathology.
Effect of the present invention has provided the accurate ratio sealing of a kind of multipath gas mixing constant temperature and pressure conveying equipment; Design and develop out a kind of more science, more automation, the accurate ratio sealing of more accurate artificial simulation multipath gas mixing constant temperature and pressure conveying equipment; Mixing the exposure effect for multiple gases for the mankind and nature influence scientific research how provides the gas in the various source of the gas is transported under the condition of constant temperature and pressure in the closed in space after according to accurate ratio sealing mixing laboratory apparatus, animal used as test or experiment material has been exposed experiment; Obtain valuable data, reply and conclusion through this experiment, also can find out the method for clearing up, adsorbing and neutralizing through experiment.Adopt this equipment to be connected to the sudden and violent cabin of gas and expose experiment; Can be according to pre-programmed accurate ratio, control temperature and pressure accurately and multipath gas is flowed in confined conditions expose Laboratory Module and carry out more rigorous exposure experiment; Draw more high-precision experimental result; Successfully solved a global difficult problem; Thereby promoted the development of association area research; Obtain the attention and the application in related science field, also safer, convenient, reliable, science, rigorous, accurate, professional simulation experiment device are provided for the modern fields such as materials science, inhalation toxicology, occupational health and environmental protection, physiology, pharmacology, medical and health of receiving.
Description of drawings
Fig. 1 is the structural representation of present device;
Among the figure:
1, master controller 2, band fan electromotor 3, breather check valve door
4, the accurate proportional control valve of rapid pipe joint 5, air inlet 6, input flow rate meter
7, each road inlet air source 8, sealing mixing tank body 9, relief valve
10, give vent to anger flow control valve 11, the flowmeter 12 of giving vent to anger, gas exposes the cabin
13, temperature transducer 14, pressure transducer 15, direct current negative electrode
16, radiator 17, direct current positive electrode 18, peltier-element
Embodiment
In conjunction with accompanying drawing 1 and embodiment the accurate ratio sealing of a kind of multipath gas of the present invention mixing constant temperature and pressure conveying equipment structure is explained.
As shown in Figure 1; The accurate ratio sealing of a kind of multipath gas of the present invention mixing constant temperature and pressure conveying equipment; This experimental facilities includes one and the multipath gas of predetermined ratio is input in the sealing mixing tank body 8 through control air inlet accurate proportional control valve 5 by master controller 1 and is stirred in inside by band fan electromotor 2; Breather check valve door 3 can be from this gas piping of motive sealing when rapid pipe joint 4 is not inserted; Moment is connected this road source of the gas in each road inlet air source 7 when rapid pipe joint 4 is inserted; Temperature transducer 13 keeps the gas temperature in the sealing mixing tank body 8 to meet the requirements under master controller 1 control with peltier-element 18; Expose cabin 12 with the flowmeter 11 of giving vent to anger to gas through the flow control valve 10 of giving vent to anger when eligible and carry gas to carry out scientific experiment when pressure transducer 14 detects pressure, if the relief valve 9 that breaks down when sealing mixing tank body 8 internal pressures surpass safety margin is opened assurance entire equipment safety with accurate proportional multi-path mixing constant temperature and pressure.This equipment has extensive use in the scientific research in fields such as atmosphere environmental protection, military science, suction toxicity, breathing pathology.
For realizing above-mentioned purpose; The technological scheme that the present invention adopts provides the accurate ratio sealing of a kind of multipath gas mixing constant temperature and pressure conveying equipment; Wherein: it is to be made into circuit controller spare by micro computer to connect temperature transducer 13 collecting temperature signals through electronics that this equipment includes a master controller 1; Temperature transducer 13 is installed on the tank body wall of sealing mixing tank body 8 with peltier-element 18; 18 1 surfaces of peltier-element are exposed to a side in the sealing mixing tank body 8; Another surperficial held against heat sink 16 is exposed to sealing mixing tank body 8 space outerpaces; Interior outer connection part sealed air-tight, the direct current positive electrode 17 of peltier-element 18 is connected on the master controller 1 with direct current negative electrode 15, by the direct current (d.c.) of master controller 1 supply different direction utilize the characteristic of peltier-element 18 be exactly when master controller 1 control down supply of current get into through peltier-element 17 again from 15 outputs of direct current negative electrode from direct current positive electrode 17; Radiator 16 absorbed high temperature and can supply with peltier-element 18 from air this moment, and the heat of peltier-element 18 side surface in sealing mixing tank body 8 increases the gas temperature lifting that keeps sealing in the mixing tank body 8; And supply of current gets into through peltier-element 18 again from 17 outputs of direct current positive electrode from direct current negative electrode 15 when master controller 1 is controlled down on the contrary; Radiator 16 absorbed low temperature and can supply with peltier-element 18 in air this moment; Peltier-element 18 side surface cooling in sealing mixing tank body 8 impels the gas temperature in the sealing mixing tank body 8 to reduce; Finally make the gas temperature in the sealing mixing tank body 8 reach the requirement that meets setting eventually.Master controller 1 also has programming of the artificial input of storage; Be connected on pressure transducer 14 and the gas input flow rate meter 6 according to program and electronics again; Connect the accurate proportional control valve 5 of control air inlet and give vent to anger flow control valve 10 through electronics; The multipath gas of predetermined ratio is input in the sealing mixing tank body 8 and stirs in inside through control air inlet accurate proportional control valve 5 by band fan electromotor 2; Band fan electromotor 2 is that a special waterproof has sealing and is installed in sealing mixing tank body 8 tops; Its main body just is passed into running shaft in the sealing mixing tank body 8 through seal ring outside sealing mixing tank body 8, on axle, installs fans again and has so not only guaranteed that airtight performance well but also can carry out gas at any time and evenly stir.Breather check valve door 3 is a kind ofly to have special spring to promote valve gap to close the gas passageway automatically; Can be from this gas piping of motive sealing when rapid pipe joint 4 is not inserted; But valve gap moment of after rapid pipe joint 4 is inserted, utilizing quick plug 4 tips to back down to close is connected this road source of the gas in each road inlet air source 7, and the external diameter of quick plug 4 can be combined closely to form gas seal and prevent and thrown off with the O-ring seal of breather check valve door 3 inner rings.Expose cabin 12 with the flowmeter 11 of giving vent to anger to gas through the flow control valve 10 of giving vent to anger when eligible and carry gas to carry out scientific experiment when pressure transducer 14 detects pressure with accurate proportional multi-path mixing constant temperature and pressure; Relief valve 9 is gas pipelines of being fastened by the airtight valve gap of the spring constraint of can regulate strength size; Pipeline one end is directly connected on the tank body wall of sealing mixing tank body 8, if the relief valve 9 that breaks down when sealing mixing tank body 8 internal pressures surpass safety margin is opened assurance entire equipment safety.
Embodiment:
The gas that the accurate ratio sealing of a kind of multipath gas of use the present invention mixing constant temperature and pressure conveying equipment is ready to expose when exposing experiment in advance exposes cabin 12 and also connects each road inlet air source 7 and sealing pipeline in the breather check valve door 3 with rapid pipe joint 4 each road of reeve as required simultaneously; Open master controller 1 power supply; Indexs such as pre-set needed temperature, pressure and Ge Lu source of the gas ratio; Program is stored; Begin to make an experiment; Micro computer in the master controller 1 of equipment connects temperature transducer 13 collecting temperature signals through electronics; When detected gas temperature be lower than set when requiring master controller 1 control down supply of current get into through peltier-element 18 again from 15 outputs of direct current negative electrode from direct current positive electrode 17; Radiator 16 absorbed high temperature and can supply with peltier-element 18 from air this moment, the heat of peltier-element 18 side surface in sealing mixing tank body 8 increase the gas temperature that keeps in the sealing mixing tank body 8 promote reach set when requiring master controller 1 control down the stop supplies electric current arrive peltier-element 18, also just stopping intensification, to control the maintenance temperature constant constant.When detected gas temperature be higher than set when requiring master controller 1 control down supply of current get into through peltier-element 18 again from 17 outputs of direct current positive electrode from direct current negative electrode 15; Radiator 16 absorbed low temperature and can supply with peltier-element 18 in air this moment; Peltier-element 18 side surface cooling in sealing mixing tank body 8; Impel the gas temperature in the sealing mixing tank body 8 to reduce; Finally make the gas temperature in the sealing mixing tank body 8 reach the requirement that meets setting eventually, stop cooling control and keep temperature constant constant.Master controller 1 is according to storing programming of input in advance; Be connected on pressure transducer 14 and the gas input flow rate meter 6 according to program and electronics again; Connect the accurate proportional control valve 5 of control air inlet and give vent to anger flow control valve 10 through electronics; The multipath gas of predetermined ratio is input in the sealing mixing tank body 8 and stirs in inside through control air inlet accurate proportional control valve 5 by band fan electromotor 2; Breather check valve door 3 can be from this gas piping of motive sealing when rapid pipe joint 4 is not inserted; But valve gap moment of after rapid pipe joint 4 is inserted, utilizing quick plug 4 tips to back down to close is connected this road source of the gas in each road inlet air source 7, and the external diameter of quick plug 4 can be combined closely to form gas seal and prevent and thrown off with the O-ring seal of breather check valve door 3 inner rings.Expose cabin 12 with the flowmeter 11 of giving vent to anger to gas through the flow control valve 10 of giving vent to anger when eligible and carry gas to carry out scientific experiment when pressure transducer 14 detects pressure with accurate proportional multi-path mixing constant temperature and pressure; Relief valve 9 is gas pipelines of being fastened by the airtight valve gap of the spring constraint of can regulate strength size; Pipeline one end is directly connected on the tank body wall of sealing mixing tank body 8, if the relief valve 9 that breaks down when sealing mixing tank body 8 internal pressures surpass safety margin is opened assurance entire equipment safety.When experiment finishes smoothly, close the switch of each road inlet air source 7 earlier, extract rapid pipe joint 4 and make each breather check valve door 3 automatic shutdown seals, close master controller 1 power supply again.
Claims (6)
1. the accurate ratio of multipath gas seals mixing constant temperature and pressure conveying equipment; It is characterized in that: this equipment includes one and comprises the multipath gas of predetermined ratio being input in the sealing mixing tank body (8) and by band fan electromotor (2) through the control accurate proportional control valve of air inlet (5) by master controller (1) and stir in inside; Breather check valve door (3) can rapid pipe joint (4) when not inserting from this gas piping of motive sealing; Moment is connected this road source of the gas in each road inlet air source (7) when rapid pipe joint (4) is inserted; Temperature transducer (13) and peltier-element (18) keep the gas temperature in the sealing mixing tank body (8) to meet the requirements under master controller (1) control; Expose cabin (12) through flow control valve of giving vent to anger (10) and the flowmeter of giving vent to anger (11) to gas when eligible and carry gas to carry out scientific experiment when pressure transducer (14) detects pressure with accurate proportional multi-path mixing constant temperature and pressure; If break down when sealing mixing tank body (8) internal pressure surpasses safety margin, relief valve (9) is opened and is guaranteed entire equipment safety.
2. the accurate ratio sealing of multipath gas according to claim 1 mixing constant temperature conveying equipment; It is characterized in that: said master controller (1) is to be made into circuit controller spare through being electrically connected temperature transducer (13) collecting temperature signal by micro computer; Temperature transducer (13) and peltier-element (18) are installed on the tank body wall of sealing mixing tank body (8); (18) surfaces of peltier-element are exposed to a side in the sealing mixing tank body (8); Another surperficial held against heat sink (16) is exposed to sealing mixing tank body (8) space outerpace; Interior outer connection part sealed air-tight, the direct current positive electrode (17) of peltier-element (18) and direct current negative electrode (15) are connected on the master controller (1), by the direct current (d.c.) of master controller (1) supply different direction.
3. the accurate ratio sealing of multipath gas according to claim 1 mixing constant temperature conveying equipment; It is characterized in that: said master controller (1) also has programming of the artificial input of storage; Be connected on pressure transducer (14) and the gas input flow rate meter (6) according to program and electronics again, connect control accurate proportional control valve of air inlet (5) and the flow control valve of giving vent to anger (10) through electronics.
4. the accurate ratio sealing of multipath gas according to claim 1 mixing constant temperature conveying equipment; It is characterized in that: said band fan electromotor (2) is that a special waterproof has sealing and is installed in sealing mixing tank body (8) top; Its main body is outside sealing mixing tank body (8); Just running shaft is passed in the sealing mixing tank body (8) through seal ring, on axle, installs fans again.
5. the accurate ratio sealing of multipath gas according to claim 1 mixing constant temperature conveying equipment; It is characterized in that: said breather check valve door (3) is a kind ofly to have special spring to promote valve gap to close the gas passageway automatically; But valve gap moment of after rapid pipe joint (4) is inserted, utilizing quick plug (4) tip to back down to close is connected this road source of the gas in each road inlet air source (7), and the external diameter of quick plug (4) can be combined closely to form gas seal and prevent and thrown off with the O-ring seal of breather check valve door (3) inner ring.
6. the accurate ratio sealing of multipath gas according to claim 1 mixing constant temperature conveying equipment; It is characterized in that: said relief valve (9) is a gas pipeline of being fastened by the airtight valve gap of the spring constraint of can regulate strength size, and pipeline one end is directly connected on the tank body wall of sealing mixing tank body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256351XA CN102748586A (en) | 2012-07-24 | 2012-07-24 | Equipment for precisely proportionally sealing and uniformly mixing multi-path gas, and conveying multi-path gas at constant temperature and constant pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256351XA CN102748586A (en) | 2012-07-24 | 2012-07-24 | Equipment for precisely proportionally sealing and uniformly mixing multi-path gas, and conveying multi-path gas at constant temperature and constant pressure |
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| Publication Number | Publication Date |
|---|---|
| CN102748586A true CN102748586A (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210256351XA Pending CN102748586A (en) | 2012-07-24 | 2012-07-24 | Equipment for precisely proportionally sealing and uniformly mixing multi-path gas, and conveying multi-path gas at constant temperature and constant pressure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149949A (en) * | 2013-01-09 | 2013-06-12 | 上海空间推进研究所 | Micro-flow controller based on peltier effect |
| CN105373173A (en) * | 2015-12-10 | 2016-03-02 | 东南大学 | Constant-temperature and constant-pressure cabin for mass storage device |
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|---|---|---|---|---|
| US3841344A (en) * | 1973-06-06 | 1974-10-15 | Airco Inc | Gas mixing systems |
| CN2536892Y (en) * | 2002-02-10 | 2003-02-19 | 华东船舶工业学院 | Gas mixing feeder |
| KR20060046998A (en) * | 2004-11-12 | 2006-05-18 | 강원대학교산학협력단 | Mixed gas system and packaging equipment using the same |
| CN101209528A (en) * | 2006-12-26 | 2008-07-02 | 浙江工业大学 | Machining cooling device |
| CN102216706A (en) * | 2008-10-20 | 2011-10-12 | 应用科学研究Tno荷兰组织 | Container for storing articles at a predetermined temperature |
| CN202884473U (en) * | 2012-07-24 | 2013-04-17 | 天津开发区合普工贸有限公司 | Multichannel gas exact proportion seal mixing constant temperature and pressure conveying equipment |
-
2012
- 2012-07-24 CN CN201210256351XA patent/CN102748586A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3841344A (en) * | 1973-06-06 | 1974-10-15 | Airco Inc | Gas mixing systems |
| CN2536892Y (en) * | 2002-02-10 | 2003-02-19 | 华东船舶工业学院 | Gas mixing feeder |
| KR20060046998A (en) * | 2004-11-12 | 2006-05-18 | 강원대학교산학협력단 | Mixed gas system and packaging equipment using the same |
| CN101209528A (en) * | 2006-12-26 | 2008-07-02 | 浙江工业大学 | Machining cooling device |
| CN102216706A (en) * | 2008-10-20 | 2011-10-12 | 应用科学研究Tno荷兰组织 | Container for storing articles at a predetermined temperature |
| CN202884473U (en) * | 2012-07-24 | 2013-04-17 | 天津开发区合普工贸有限公司 | Multichannel gas exact proportion seal mixing constant temperature and pressure conveying equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149949A (en) * | 2013-01-09 | 2013-06-12 | 上海空间推进研究所 | Micro-flow controller based on peltier effect |
| CN103149949B (en) * | 2013-01-09 | 2016-08-03 | 上海空间推进研究所 | A kind of gas micro controller based on paltie effect |
| CN105373173A (en) * | 2015-12-10 | 2016-03-02 | 东南大学 | Constant-temperature and constant-pressure cabin for mass storage device |
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Address after: 300110 Tianjin city Nankai District Weishui road win atlas building 2-602 Applicant after: Tianjin Development Zone Hepu Industry and Trade Co., Ltd. Address before: 300020 Xinjiang Road, Heping District, Tianjin, No. 9 Applicant before: Tianjin Development Zone Hepu Industry and Trade Co., Ltd. |
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Application publication date: 20121024 |