CN206626868U - A kind of stirling refrigeration machine controller of high reliability - Google Patents
A kind of stirling refrigeration machine controller of high reliability Download PDFInfo
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- CN206626868U CN206626868U CN201720352362.6U CN201720352362U CN206626868U CN 206626868 U CN206626868 U CN 206626868U CN 201720352362 U CN201720352362 U CN 201720352362U CN 206626868 U CN206626868 U CN 206626868U
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Abstract
The utility model discloses a kind of stirling refrigeration machine controller of high reliability, including power connection, change-over circuit, single-chip microcomputer, unipolarity H bridges power circuit, cold head temperature sensor, temperature signal collection circuit, electric machine frequency adjustment knob and peak power output knob；The input of the output end connection unipolarity H bridge power circuits of the single-chip microcomputer；The first compressor electric motor and the second compressor electric motor of the output end connection sterlin refrigerator of the unipolarity H bridge power circuits.The utility model controls temperature signal caused by the cold head sensor of collection refrigeration machine expanding machine cold head temperature by single-chip microcomputer, generate the break-make of 4 metal-oxide-semiconductors in corresponding SPWM signals control unipolarity H bridge power driving circuits, phenomenon is led directly in the intermodulation distortion and metal-oxide-semiconductor for solving traditional H bridges driving power output waveform, improves the refrigerating efficiency and reliability of refrigeration machine.
Description
Technical field
It the utility model is related to a kind of stirling refrigeration machine controller of high reliability.
Background technology
Sterlin refrigerator realizes Gas Refrigerator in closed system using helium or hydrogen as working medium using backheat principle
Circulate to obtain the machinery of low temperature and cold.Cold temperatures can belong to profound hypothermia equipment in below 120K.It is followed in Gas Refrigerator
Increase a regenerator in ring, the Temperature of Working before expansion is reduced using backheat principle, to improve the thermal efficiency of circulation.In machine
Part cold recovery in working medium after interior expansion is used again in regenerator in being circulated in next time.Back-heating type gas system
Cold has the advantages that efficiency high, compact-sized, fast, the easy to operate and temperature range of starting is broad, small suitable for refrigerating capacity
Occasion.It can make gas at normal temperature direct liquefaction, can also be configured air rectifying column and oxygen and nitrogen are isolated from air, or as low temperature
Low-temperature receiver.It is widely used in minitype air separation equipment, profound hypothermia refrigerator, and space flight, superconduction, infra-red detection and low temperature electric
The fields such as son.But there is the defects of following in existing stirling refrigeration machine controller：Using bipolarity H-bridge drive circuit,
Phenomenon is led directly in the intermodulation distortion and metal-oxide-semiconductor that output waveform occurs, the stability of a system is not high enough.
Utility model content
The purpose of this utility model is to provide a kind of stirling refrigeration machine controller of high reliability.
The technical scheme for realizing the utility model purpose is a kind of stirling refrigeration machine controller of high reliability, including electricity
Source joint, change-over circuit, single-chip microcomputer, unipolarity H bridges power circuit, cold head temperature sensor, temperature signal collection circuit, motor
Frequency adjusts knob and peak power output knob；The input of the output end connection change-over circuit of the power connection；It is described
The input of the output end connection single-chip microcomputer of change-over circuit；The output end connection unipolarity H bridge power circuits of the single-chip microcomputer
Input；The first compressor electric motor and the second pressure of the output end connection sterlin refrigerator of the unipolarity H bridge power circuits
Contract electromechanical machine；The cold head temperature sensor is arranged on the cold head of sterlin refrigerator expanding machine；The cold head TEMP
The input of the output end connection temperature signal collection circuit of device；The output end connection single-chip microcomputer of the temperature signal collection circuit
Input；The unit frequency adjustment knob and peak power output knob are connected with single-chip microcomputer.
The unipolarity H bridges power circuit includes 4 metal-oxide-semiconductors.
The power connection includes mains connection and battery-terminal；The battery-terminal connects battery.
The change-over circuit is DC-DC change-over circuits；The output end of the mains connection connects the defeated of AC-DC change-over circuits
Enter end, the output end connection current rectifying and wave filtering circuit of the AC-DC change-over circuits；The output end of the current rectifying and wave filtering circuit and electric power storage
The input of the output end connection DC-DC change-over circuits of pond joint；The output end connection single-chip microcomputer of the DC-DC change-over circuits.
The model STC12C5A60S2 of the single-chip microcomputer.
A kind of stirling refrigeration machine controller of high reliability also includes display screen and button, the display screen and button with
Single-chip microcomputer connects.
A kind of stirling refrigeration machine controller of high reliability also includes serial ports and wireless communication module, the serial ports and nothing
Line communication module is connected with single-chip microcomputer.
Above-mentioned technical proposal is employed, the utility model has following beneficial effect：(1) the utility model passes through monolithic
Temperature signal caused by the cold head sensor of machine control collection refrigeration machine expanding machine cold head temperature, generates corresponding SPWM signals control
The break-make of 4 metal-oxide-semiconductors in unipolarity H bridge power driving circuits processed, the friendship for solving traditional H bridges driving power output waveform are more lost
True and metal-oxide-semiconductor leads directly to phenomenon, improves the refrigerating efficiency and reliability of refrigeration machine.
(2) the utility model dual power supply, civil power can be used to use battery, therefore outer indoors can worked.
(3) the utility model sets serial ports and wireless communication module and display screen and button, and human-computer interaction is friendly, can be real-time
Monitor refrigeration machine working condition and new parameter is set.
(4) the utility model adjusts knob by speed and refrigeration machine working frequency can be set, and actual measurement proves that frequency is adjusted
Whole scope is 30~100Hz, precision 0.1Hz, covers the possibility frequency range of sterlin refrigerator normal work, convenient to determine
Refrigeration machine frequency optimum traffic, debugging stage or refrigeration machine suitable for refrigeration machine, working condition changes and needed for some reason
Determine the situation of frequency optimum traffic.
Brief description of the drawings
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail to the utility model, wherein
Fig. 1 is block diagram of the present utility model.
Fig. 2 is unipolarity H bridge power circuits of the present utility model.
Embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, a kind of stirling refrigeration machine controller of high reliability of the present embodiment, including power connection, turn
Change circuit, single-chip microcomputer, unipolarity H bridges power circuit, cold head temperature sensor, temperature signal collection circuit, electric machine frequency adjustment
Knob, peak power output knob, display screen and button and serial ports and wireless communication module.The output of the power connection
The input of end connection change-over circuit；The input of the output end connection single-chip microcomputer of the change-over circuit；The single-chip microcomputer it is defeated
Go out the input of end connection unipolarity H bridge power circuits；The output end connection stirling refrigeration of the unipolarity H bridge power circuits
The first compressor electric motor and the second compressor electric motor of machine；The cold head temperature sensor is arranged on sterlin refrigerator expanding machine
Cold head on；The input of the output end connection temperature signal collection circuit of the cold head temperature sensor；The temperature signal
The input of the output end connection single-chip microcomputer of Acquisition Circuit；The unit frequency adjustment knob and peak power output knob and monolithic
Machine connects.The unipolarity H bridges power circuit includes 4 metal-oxide-semiconductors.The power connection includes mains connection and battery connects
Head；The battery-terminal connects battery.The change-over circuit is DC-DC change-over circuits；The output end of the mains connection
Connect the input of AC-DC change-over circuits, the output end connection current rectifying and wave filtering circuit of the AC-DC change-over circuits；The rectification
The output end of filter circuit connects the input of DC-DC change-over circuits with the output end of battery-terminal；The DC-DC conversions electricity
The output end connection single-chip microcomputer on road.The model STC12C5A60S2 of the single-chip microcomputer.The display screen and button and single-chip microcomputer
Connection.The serial ports and wireless communication module are connected with single-chip microcomputer.
Particular embodiments described above, the purpose of this utility model, technical scheme and beneficial effect are carried out to enter one
Step describes in detail, should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, it is all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done etc., it all should wrap
It is contained within the scope of protection of the utility model.
Claims (7)
- A kind of 1. stirling refrigeration machine controller of high reliability, it is characterised in that：Including power connection, change-over circuit, monolithic Machine, unipolarity H bridges power circuit, cold head temperature sensor, temperature signal collection circuit, electric machine frequency adjustment knob and maximum are defeated Go out power knob；The input of the output end connection change-over circuit of the power connection；The output end connection of the change-over circuit The input of single-chip microcomputer；The input of the output end connection unipolarity H bridge power circuits of the single-chip microcomputer；The unipolarity H bridges The first compressor electric motor and the second compressor electric motor of the output end connection sterlin refrigerator of power circuit；The cold head temperature Sensor is arranged on the cold head of sterlin refrigerator expanding machine；The output end connection temperature signal of the cold head temperature sensor The input of Acquisition Circuit；The input of the output end connection single-chip microcomputer of the temperature signal collection circuit；The unit frequency is adjusted Whole knob and peak power output knob are connected with single-chip microcomputer.
- A kind of 2. stirling refrigeration machine controller of high reliability according to claim 1, it is characterised in that：The monopole Property H bridges power circuit includes 4 metal-oxide-semiconductors.
- A kind of 3. stirling refrigeration machine controller of high reliability according to claim 2, it is characterised in that：The power supply Joint includes mains connection and battery-terminal；The battery-terminal connects battery.
- A kind of 4. stirling refrigeration machine controller of high reliability according to claim 3, it is characterised in that：The conversion Circuit is DC-DC change-over circuits；The input of the output end connection AC-DC change-over circuits of the mains connection, the AC-DC turn Change the output end connection current rectifying and wave filtering circuit of circuit；The output end of the current rectifying and wave filtering circuit and the output end of battery-terminal connect Connect the input of DC-DC change-over circuits；The output end connection single-chip microcomputer of the DC-DC change-over circuits.
- A kind of 5. stirling refrigeration machine controller of high reliability according to claim 4, it is characterised in that：The monolithic The model STC12C5A60S2 of machine.
- A kind of 6. stirling refrigeration machine controller of high reliability according to claim 5, it is characterised in that：Also include aobvious Display screen and button, the display screen and button are connected with single-chip microcomputer.
- A kind of 7. stirling refrigeration machine controller of high reliability according to claim 6, it is characterised in that：Also include string Mouth and wireless communication module, the serial ports and wireless communication module are connected with single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352362.6U CN206626868U (en) | 2017-04-06 | 2017-04-06 | A kind of stirling refrigeration machine controller of high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352362.6U CN206626868U (en) | 2017-04-06 | 2017-04-06 | A kind of stirling refrigeration machine controller of high reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206626868U true CN206626868U (en) | 2017-11-10 |
Family
ID=60207228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720352362.6U Expired - Fee Related CN206626868U (en) | 2017-04-06 | 2017-04-06 | A kind of stirling refrigeration machine controller of high reliability |
Country Status (1)
| Country | Link |
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| CN (1) | CN206626868U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317786A (en) * | 2017-12-27 | 2018-07-24 | 中国电子科技集团公司第十研究所 | A kind of control circuit of sterlin refrigerator |
| CN108981218A (en) * | 2018-06-06 | 2018-12-11 | 方舟 | A kind of accurate temperature control driving circuit of sterlin refrigerator and control method |
| CN109282544A (en) * | 2018-10-10 | 2019-01-29 | 中国科学院上海技术物理研究所 | A kind of portable easily interactive cryogenic mechanical refrigeration machine drive control circuit |
| CN110058184A (en) * | 2018-01-19 | 2019-07-26 | 北京绪水互联科技有限公司 | Cold head efficiency calculation index and method, the system that cold head efficiency calculation and monitoring are realized using the index |
| CN111795720A (en) * | 2020-05-25 | 2020-10-20 | 上海齐耀动力技术有限公司 | Stirling refrigerator test bench working condition gear control system and control method |
| CN115218602A (en) * | 2022-06-27 | 2022-10-21 | 青岛海尔生物医疗股份有限公司 | Method and device for controlling temperature of refrigerator, refrigerator and storage medium |
-
2017
- 2017-04-06 CN CN201720352362.6U patent/CN206626868U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317786A (en) * | 2017-12-27 | 2018-07-24 | 中国电子科技集团公司第十研究所 | A kind of control circuit of sterlin refrigerator |
| CN108317786B (en) * | 2017-12-27 | 2020-10-23 | 中国电子科技集团公司第十一研究所 | Control circuit of Stirling refrigerator |
| CN110058184A (en) * | 2018-01-19 | 2019-07-26 | 北京绪水互联科技有限公司 | Cold head efficiency calculation index and method, the system that cold head efficiency calculation and monitoring are realized using the index |
| CN108981218A (en) * | 2018-06-06 | 2018-12-11 | 方舟 | A kind of accurate temperature control driving circuit of sterlin refrigerator and control method |
| CN109282544A (en) * | 2018-10-10 | 2019-01-29 | 中国科学院上海技术物理研究所 | A kind of portable easily interactive cryogenic mechanical refrigeration machine drive control circuit |
| CN109282544B (en) * | 2018-10-10 | 2023-07-04 | 中国科学院上海技术物理研究所 | Portable easy-to-interact low-temperature mechanical refrigerator driving control circuit |
| CN111795720A (en) * | 2020-05-25 | 2020-10-20 | 上海齐耀动力技术有限公司 | Stirling refrigerator test bench working condition gear control system and control method |
| CN115218602A (en) * | 2022-06-27 | 2022-10-21 | 青岛海尔生物医疗股份有限公司 | Method and device for controlling temperature of refrigerator, refrigerator and storage medium |
| CN115218602B (en) * | 2022-06-27 | 2023-08-11 | 青岛海尔生物医疗股份有限公司 | Method and device for controlling temperature of refrigerator, refrigerator and storage medium |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20210406 |