CN107368126A - The temperature environment supervising device and its control method of experimental bench - Google Patents
The temperature environment supervising device and its control method of experimental bench Download PDFInfo
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- CN107368126A CN107368126A CN201710497410.5A CN201710497410A CN107368126A CN 107368126 A CN107368126 A CN 107368126A CN 201710497410 A CN201710497410 A CN 201710497410A CN 107368126 A CN107368126 A CN 107368126A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
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Abstract
The present invention proposes a kind of the temperature environment supervising device and its control method of experimental bench, and the device includes：Module, including air accumulator, gas flow control module and liquid nitrogen container are supplied, gas flow control module is used for the throughput for controlling supply module；Environment temperature adjusting module, including nitrogen flow control module, heating tube and low temperature platform, heating tube are used for the environment temperature for controlling experimental bench, the heat transfer that low temperature platform completely cuts off inside and outside platform, nitrogen flow control module control disengaging low temperature platform nitrogen flow；Control module, including temperature sensor and temperature controller, for temperature sensor to monitor the temperature of low temperature platform, temperature controller is used for the startup and closing that heating tube is controlled according to the temperature signal of temperature sensor, and the flow of control nitrogen flow control module.The present invention can carry out effective temperature control to experimental bench, the advantages of having moderate control accurately and reliably, while can realize the accurate dispensing of nitrogen, improve the service efficiency of liquid nitrogen.
Description
Technical field
The present invention relates to scrap build technical field, the temperature environment supervising device of more particularly to a kind of experimental bench and its control
Method processed.
Background technology
At present, each scientific research institution is increasingly strict for the environmental requirement in experimentation, wherein most basic environmental condition
It is exactly the control to temperature.Due to the requirement of different experiments precision, monitoring and control effect of the experimenter for temperature
It is it is required that more accurate.However, conventional temperature control generally use heating module is heated so as to control temperature, this method
Temperature can only be adjusted up and low temperature environment can not be realized, and in temperature-fall period, generally there was only the mode of natural cooling, nothing
Method realizes efficient control.
The content of the invention
It is contemplated that at least solves one of above-mentioned technical problem.
Therefore, it is an object of the present invention to propose a kind of temperature environment supervising device of experimental bench, the device can
Effective temperature control is carried out to experimental bench, the advantages of there is moderate control accurately and reliably, while the accurate of nitrogen can be realized
Launch, improve the service efficiency of liquid nitrogen.
Second object of the present invention is a kind of control method for the temperature environment supervising device for proposing experimental bench.
To achieve these goals, the embodiment of first aspect present invention proposes a kind of temperature environment monitoring of experimental bench
Device, including：Module is supplied, the supply module includes air accumulator, gas flow control module and liquid nitrogen container, the gas stream
Amount control module is used for the throughput for controlling the supply module；Environment temperature adjusting module, the environment temperature adjusting module
Including nitrogen flow control module, heating tube and low temperature platform, heating tube is arranged in low temperature platform, for controlling experimental bench
Environment temperature, the heat transfer that low temperature platform can completely cut off inside and outside platform, nitrogen flow control module are used to control disengaging low temperature
Platform nitrogen flow；Control module, the control module include temperature sensor and temperature controller, and temperature sensor is arranged on
Among low temperature platform, to monitor the temperature of low temperature platform, temperature controller respectively with temperature sensor, heating tube and nitrogen stream
Amount control module is connected, to control the startup and closing of heating tube, and control nitrogen according to the temperature signal of temperature sensor
The flow of flow-control module.
The temperature environment supervising device of experimental bench according to embodiments of the present invention, is adjusted in experimentation by environment temperature
The flow of mould preparation block adjustment liquid nitrogen gas and the opening and closing of heating tube, enable control module fast and accurately regulation experiment platform
Environment temperature, so as to effectively improve the control of experimental bench environment temperature.
In addition, the temperature environment supervising device of experimental bench according to the above embodiment of the present invention can also have following add
Technical characteristic：
In some instances, the gas flow control module includes：The gas flow control module includes：First subtracts
Pressure valve, first pressure-reducing valve are connected to before air accumulator, for carrying out first order decompression to compressed air；Second pressure-reducing valve,
Second pressure-reducing valve is connected to after air accumulator, for carrying out second level decompression to compressed air；Flowmeter, the flowmeter
It is connected to after the second pressure-reducing valve, for monitoring the real-time traffic of compressed gas；Gas solenoid valve, the gas solenoid valve connection
After flowmeter, for controlling the flow of compressed gas.
In some instances, the nitrogen flow control module includes：First low-temperature solenoid valve, the first low temperature electromagnetism
Valve is connected between liquid nitrogen container and heating tube, for controlling the nitrogen flow into low temperature platform；Second low-temperature solenoid valve, it is described
Second low-temperature solenoid valve is connected between low temperature platform and flow control valve, for controlling the nitrogen flow of discharge low temperature platform；
Flow control valve, the flow control valve is arranged on the least significant end of all gas passages, to control in whole gas circulation
Gas flow.
In some instances, the temperature controller is connected with the temperature sensor, with the real time measure with reading low temperature
Temperature in platform, wherein, when temperature is less than preset temperature in the low temperature platform, temperature controller is signaled to described add
Heat pipe, heating tube electrified regulation, the liquid nitrogen heat temperature raising for entering low temperature platform is reached into the preset temperature；When in low temperature platform
Temperature when reaching the preset temperature, heating tube power-off is not heated, the temperature thus come in constant low temperature platform；When low temperature is put down
When temperature in platform is higher than preset temperature, temperature controller is signaled to nitrogen flow control module, nitrogen flow control mould
Block improves the nitrogen flow being passed through in low temperature platform, and the temperature in low temperature platform is reduced into preset temperature.
In some instances, the temperature controller uses high-precision PID regulator, is controlled, can used using dual output
In heating and refrigeration control.
In some instances, the precision of the PID regulator is 0.5%.
In some instances, the PID regulator supports RS-485 communication interfaces.
To achieve these goals, the embodiment of second aspect of the present invention proposes a kind of temperature environment monitoring of experimental bench
The control method of device, comprises the following steps：It is passed through compressed air；Compressed air passes through pressure-reducing valve, gas flowmeter, air-flow electricity
Magnet valve and gas delivery, entered with constant pressure and flow in liquid nitrogen container, the liquid nitrogen in liquid nitrogen container is by compressed air
Extruding, environment temperature adjusting module is entered by liquid nitrogen delivery line, is passed through from the liquid nitrogen that liquid nitrogen container comes out low temperature resistant stainless
Steel pipe road, low-temperature solenoid valve, gas heating tube are entered in low temperature platform；Temperature sensor and temperature controller the real time measure with
The temperature in low temperature platform is read, when the temperature in low temperature platform is less than preset temperature, temperature controller, which is signaled to, to be added
Heat pipe, heating tube electrified regulation, the liquid nitrogen heat temperature raising for entering low temperature platform is reached into preset temperature, the temperature in low temperature platform
When degree reaches preset temperature, heating tube power-off is not heated, the temperature thus come in constant low temperature platform；Temperature in low temperature platform
When degree is higher than preset temperature, temperature controller is signaled to nitrogen flow control module, and nitrogen flow control module improves logical
Enter the nitrogen flow in low temperature platform, the temperature in low temperature platform is reduced to preset temperature.
The control method of the temperature environment supervising device of experimental bench according to embodiments of the present invention, passes through in experimentation
The flow of environment temperature adjusting module adjustment liquid nitrogen gas and the opening and closing of heating tube, enable control module fast and accurately
Regulation experiment platform environment temperature, so as to effectively improve the control of experimental bench environment temperature.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structured flowchart of the temperature environment supervising device of experimental bench according to an embodiment of the invention；
The overall structure diagram of the temperature environment supervising device of Fig. 2 experimental benches in accordance with another embodiment of the present invention；
Fig. 3 be experimental bench according to an embodiment of the invention temperature environment supervising device in the structure of low temperature platform show
It is intended to；
Fig. 4 is the flow of the control method of the temperature environment supervising device of experimental bench according to an embodiment of the invention
Figure.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint are relative
Importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The temperature environment supervising device and its controlling party of experimental bench according to embodiments of the present invention are described below in conjunction with accompanying drawing
Method.
Fig. 1 is the structured flowchart of the temperature environment supervising device of experimental bench according to an embodiment of the invention.Such as Fig. 1 institutes
Show, the temperature environment supervising device 10 of the experimental bench includes：Supply module 110, environment temperature adjusting module 120 and control module
130。
Wherein, supply module 110 is connected with environment temperature adjusting module 120, and supply module 110 includes：Air accumulator 111,
Gas flow control module 112 and liquid nitrogen container 113, gas flow control module 112 are used for the air-flow for controlling supply module 110
Amount, specifically, i.e., gas flow control module 112 is used to adjust the gas flow for entering liquid nitrogen container 113 from air accumulator 111.
Environment temperature adjusting module 120 includes nitrogen flow control module 121, heating tube 122 and low temperature platform 123.Add
Heat pipe 122 is arranged in low temperature platform 123, and for adjusting the environment temperature of experimental bench, low temperature platform 123 can completely cut off in platform
Outer heat transfer, nitrogen flow control module 121 are used for the nitrogen flow for controlling disengaging low temperature platform 123.
In one embodiment of the invention, with reference to shown in Fig. 4, the structural representation of low temperature platform 123 is illustrated, its
In, in order to keep empty calory to exchange interlayer vacuum-pumping, add heating source in nitrogen input, ensure nitrogen input temp.
Control module 130 includes temperature sensor 131 and temperature controller 132, and temperature sensor 131 is arranged on low temperature and put down
In platform 123, for monitoring the temperature in low temperature platform 123, temperature controller 132 respectively with temperature sensor 131, nitrogen flow
Control module 121 is connected with heating tube 122, to control nitrogen flow control module according to the temperature signal of temperature sensor 131
121 and the startup and closing of heating tube 122, and the flow of control nitrogen flow control module 121.
Further, in one embodiment of the invention, with reference to shown in Fig. 2, gas flow control module 112 includes：
First pressure-reducing valve 112a, the second pressure-reducing valve 112b, flowmeter 112c and gas solenoid valve 112d.
Wherein, the first pressure-reducing valve 112a is connected to before air accumulator 111, for carrying out first order decompression to compressed air；
Second pressure-reducing valve 112b is connected to after air accumulator 111, for carrying out second level decompression to compressed air；Flowmeter 112c connections
After the second pressure-reducing valve 112b, for monitoring the real-time traffic of compressed gas；Gas solenoid valve 112d, gas solenoid valve 112d
It is connected to after flowmeter 112c, for controlling the flow of compressed gas.
Further, with reference to shown in Fig. 2, nitrogen flow control module 121 includes：First low-temperature solenoid valve 121a, second
Low-temperature solenoid valve 121b, flow control valve 121c.
Wherein, the first low-temperature solenoid valve 121a is connected between liquid nitrogen container 113 and heating tube 122, for controlling into low
The nitrogen flow of warm platform 123；Second low-temperature solenoid valve 121b is connected between low temperature platform 123 and flow control valve 121c,
For controlling the nitrogen flow of discharge low temperature platform 123；Flow control valve 121c is arranged on the least significant end of all gas passages, uses
To control the gas flow in whole gas circulation.
Further, with reference to shown in Fig. 2, the temperature controller 132 of control module 130 and the phase of temperature sensor 131
Even, with the real time measure with reading the temperature in low temperature platform 123.Specifically, when the temperature in low temperature platform 123 is less than default temperature
When spending, temperature controller 132 is signaled to heating tube 122, the electrified regulation of heating tube 122, will enter the liquid of low temperature platform 123
Nitrogen heat temperature raising reaches the preset temperature；When the temperature in low temperature platform 123 reaches preset temperature, the power-off of heating tube 122 is not added with
Heat, the temperature thus come in constant low temperature platform 123；When the temperature in low temperature platform 123 is higher than preset temperature, temperature control
Device 132 is signaled to nitrogen flow control module 121, and nitrogen flow control module 121 is improved and is passed through in low temperature platform 123
Nitrogen flow, the temperature in low temperature platform 123 is reduced to preset temperature.
Wherein, in a particular embodiment, temperature controller 132 is for example with high-precision PID regulator, using dual output
Control, available for heating and refrigeration control.More specifically, for example, the precision of PID regulator is 0.5%.Further, example
Such as, PID regulator supports RS-485 communication interfaces.Further, low temperature control range is, for example, -10 DEG C~-120 DEG C；Temperature
Control accuracy is, for example, ± 2 DEG C；Experimental period is 10~400 minutes.
To sum up, the temperature environment supervising device of experimental bench according to embodiments of the present invention, passes through environment in experimentation
The flow of temperature adjusting module adjustment liquid nitrogen gas and the opening and closing of heating tube, enable control module fast and accurately to adjust
Experimental bench environment temperature, so as to effectively improve the control of experimental bench environment temperature.
Further embodiment of the present invention proposes a kind of control method of the temperature environment supervising device of experimental bench.Its
In, the temperature environment supervising device of the experimental bench is, for example, the temperature of the experimental bench described by any one above-mentioned embodiment of the present invention
Spend environmental monitoring installation.
Based on this, with reference to shown in Fig. 4, the control method of the temperature environment supervising device of the experimental bench comprises the following steps：
Step S1：It is passed through compressed air.
Step S2：Compressed air is by pressure-reducing valve, gas flowmeter, air-flow magnetic valve and gas delivery, with constant pressure
Power and flow are entered in liquid nitrogen container, and the liquid nitrogen in liquid nitrogen container is extruded by compressed air, are entered by liquid nitrogen delivery line
Environment temperature adjusting module, heated from the liquid nitrogen that liquid nitrogen container comes out by low temperature resistant stainless steel pipeline, low-temperature solenoid valve, gas
Pipe is entered in low temperature platform.
Step S3：Temperature sensor is with temperature controller the real time measure with reading the temperature in low temperature platform.
Step S4：When the temperature in low temperature platform is less than preset temperature, temperature controller is signaled to heating tube, adds
Heat pipe electrified regulation, the liquid nitrogen heat temperature raising for entering low temperature platform is reached into preset temperature.
Step S5：When the temperature in low temperature platform reaches preset temperature, heating tube power-off is not heated, and is thus come constant low
Temperature in warm platform.
S6：When the temperature in low temperature platform is higher than preset temperature, temperature controller is signaled to nitrogen flow control
Module, nitrogen flow control module improve the nitrogen flow being passed through in low temperature platform, the temperature in low temperature platform are reduced to pre-
If temperature.
It should be noted that the specific reality of the control method of the temperature environment supervising device of the experimental bench of the embodiment of the present invention
Existing mode is similar with the specific implementation of the temperature environment supervising device of the experimental bench of the embodiment of the present invention, specifically refers to reality
The description of the part of the temperature environment supervising device of platform is tested, in order to reduce redundancy, here is omitted.
To sum up, the control method of the temperature environment supervising device of experimental bench according to embodiments of the present invention, in experimentation
In the flow of liquid nitrogen gas and the opening and closing of heating tube are adjusted by environment temperature adjusting module, enable control module it is quick,
Accurate regulation experiment platform environment temperature, so as to effectively improve the control of experimental bench environment temperature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.In addition, in the case of not conflicting, this area
Technical staff can be carried out the different embodiments or example and the feature of different embodiments or example described in this specification
With reference to and combination.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, have suitable combinational logic gate circuit application specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although have been shown and retouch above
Embodiments of the invention are stated, although an embodiment of the present invention has been shown and described, one of ordinary skill in the art can
To understand：It a variety of to the progress of these embodiments can change in the case where not departing from the principle and objective of the present invention, change, replace
Change and modification, the scope of the present invention is by claim and its equivalent limits.
Claims (8)
- A kind of 1. temperature environment supervising device of experimental bench, it is characterised in that including：Module is supplied, the supply module includes air accumulator, gas flow control module and liquid nitrogen container, the gas flow control Module is used for the throughput for controlling the supply module；Environment temperature adjusting module, the environment temperature adjusting module are put down including nitrogen flow control module, heating tube and low temperature Platform, heating tube are arranged in low temperature platform, and for controlling the environment temperature of experimental bench, low temperature platform can completely cut off inside and outside platform Heat transfer, nitrogen flow control module are used for the nitrogen flow for controlling disengaging low temperature platform；Control module, the control module include temperature sensor and temperature controller, and temperature sensor is arranged on low temperature platform In, to monitor the temperature of low temperature platform, temperature controller respectively with temperature sensor, heating tube and nitrogen flow control module It is connected, to control the startup and closing of heating tube, and control nitrogen flow control mould according to the temperature signal of temperature sensor The flow of block.
- 2. the temperature environment supervising device of experimental bench according to claim 1, it is characterised in that the gas flow control Module includes：First pressure-reducing valve, first pressure-reducing valve are connected to before air accumulator, for carrying out first order decompression to compressed air；Second pressure-reducing valve, second pressure-reducing valve are connected to after air accumulator, for carrying out second level decompression to compressed air；Flowmeter, the flowmeter are connected to after the second pressure-reducing valve, for monitoring the real-time traffic of compressed gas；Gas solenoid valve, the gas solenoid valve are connected to after flowmeter, for controlling the flow of compressed gas.
- 3. the temperature environment supervising device of experimental bench according to claim 1, it is characterised in that the nitrogen flow control Module includes：First low-temperature solenoid valve, first low-temperature solenoid valve are connected between liquid nitrogen container and heating tube, for controlling into low The nitrogen flow of warm platform；Second low-temperature solenoid valve, second low-temperature solenoid valve is connected between low temperature platform and flow control valve, for controlling Discharge the nitrogen flow of low temperature platform；Flow control valve, the flow control valve is arranged on the least significant end of all gas passages, to control whole gas circulation In gas flow.
- 4. the temperature environment supervising device of experimental bench according to claim 1, it is characterised in that the temperature controller with The temperature sensor is connected, with the real time measure with reading the temperature in low temperature platform, wherein,When the temperature in the low temperature platform is less than preset temperature, temperature controller is signaled to the heating tube, heating Pipe electrified regulation, the liquid nitrogen heat temperature raising for entering low temperature platform is reached into the preset temperature；When the temperature in low temperature platform reaches the preset temperature, heating tube power-off is not heated, and thus carrys out constant low temperature platform Interior temperature；When the temperature in low temperature platform is higher than preset temperature, temperature controller is signaled to nitrogen flow control module, nitrogen Throughput control module improves the nitrogen flow being passed through in low temperature platform, and the temperature in low temperature platform is reduced into preset temperature.
- 5. the temperature environment supervising device of experimental bench according to claim 1, it is characterised in that the temperature controller is adopted With high-precision PID regulator, controlled using dual output, available for heating and refrigeration control.
- 6. the temperature environment supervising device of experimental bench according to claim 5, it is characterised in that the PID regulator Precision is 0.5%.
- 7. the temperature environment supervising device of experimental bench according to claim 5, it is characterised in that the PID regulator branch Hold RS-485 communication interfaces.
- It is 8. a kind of such as the control method of any one of the claim 1-7 temperature environment supervising device of experimental bench, it is characterised in that bag Include following steps：It is passed through compressed air；Compressed air is entered by pressure-reducing valve, gas flowmeter, air-flow magnetic valve and gas delivery with constant pressure and flow Into liquid nitrogen container, the liquid nitrogen in liquid nitrogen container is extruded by compressed air, and entering environment temperature by liquid nitrogen delivery line adjusts Module, the liquid nitrogen come out from liquid nitrogen container enter low temperature by low temperature resistant stainless steel pipeline, low-temperature solenoid valve, gas heating tube In platform；Temperature sensor is with temperature controller the real time measure with reading the temperature in low temperature platform；When the temperature in low temperature platform is less than preset temperature, temperature controller is signaled to heating tube, and heating tube, which is powered, to be added Heat, the liquid nitrogen heat temperature raising for entering low temperature platform is reached into preset temperature；When the temperature in low temperature platform reaches preset temperature, heating tube power-off is not heated, and is thus come in constant low temperature platform Temperature；When the temperature in low temperature platform is higher than preset temperature, temperature controller is signaled to nitrogen flow control module, nitrogen Throughput control module improves the nitrogen flow being passed through in low temperature platform, and the temperature in low temperature platform is reduced into preset temperature.
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| CN201710497410.5A CN107368126A (en) | 2017-06-26 | 2017-06-26 | The temperature environment supervising device and its control method of experimental bench |
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| CN201710497410.5A CN107368126A (en) | 2017-06-26 | 2017-06-26 | The temperature environment supervising device and its control method of experimental bench |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932205A (en) * | 2019-03-26 | 2019-06-25 | 南通华兴石油仪器有限公司 | A kind of mud stone liquid nitrogen sampler |
| CN115445531A (en) * | 2022-08-30 | 2022-12-09 | 嘉兴谱相科技有限公司 | Normal position pond system with portable temperature regulating device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1445710A (en) * | 2003-04-16 | 2003-10-01 | 浙江大学 | Computer controlled low temperature biology microscopic system |
| CN201984358U (en) * | 2011-04-13 | 2011-09-21 | 爱斯特（成都）医药技术有限公司 | Temperature controller |
| CN102541110A (en) * | 2010-12-23 | 2012-07-04 | 中兴通讯股份有限公司 | Device and method for testing temperature control based on temperature derating curve of modular power supply |
| CN105353803A (en) * | 2015-11-18 | 2016-02-24 | 南车青岛四方机车车辆股份有限公司 | Rail-transit-vehicle-based temperature control method, apparatus, and system |
-
2017
- 2017-06-26 CN CN201710497410.5A patent/CN107368126A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1445710A (en) * | 2003-04-16 | 2003-10-01 | 浙江大学 | Computer controlled low temperature biology microscopic system |
| CN102541110A (en) * | 2010-12-23 | 2012-07-04 | 中兴通讯股份有限公司 | Device and method for testing temperature control based on temperature derating curve of modular power supply |
| CN201984358U (en) * | 2011-04-13 | 2011-09-21 | 爱斯特（成都）医药技术有限公司 | Temperature controller |
| CN105353803A (en) * | 2015-11-18 | 2016-02-24 | 南车青岛四方机车车辆股份有限公司 | Rail-transit-vehicle-based temperature control method, apparatus, and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932205A (en) * | 2019-03-26 | 2019-06-25 | 南通华兴石油仪器有限公司 | A kind of mud stone liquid nitrogen sampler |
| CN115445531A (en) * | 2022-08-30 | 2022-12-09 | 嘉兴谱相科技有限公司 | Normal position pond system with portable temperature regulating device |
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Application publication date: 20171121 |