CN203551001U - Integrated parameter monitor for medical molecular sieve oxygen generation system - Google Patents
Integrated parameter monitor for medical molecular sieve oxygen generation system Download PDFInfo
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- CN203551001U CN203551001U CN201320484394.3U CN201320484394U CN203551001U CN 203551001 U CN203551001 U CN 203551001U CN 201320484394 U CN201320484394 U CN 201320484394U CN 203551001 U CN203551001 U CN 203551001U
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Abstract
The utility model relates to the technical field of detection equipment for oxygen generation systems in medical gas systems, and in particular to an integrated parameter monitor for a medical molecular sieve oxygen generation system. The integrated parameter monitor comprises a single chip, and is characterized by in that the single chip is connected with an A/D (analogue/digital) conversion module, the single chip is externally connected with two high-accuracy digital/analogue converters, a digital communication port, a touch screen controller and an integrated LCD (liquid crystal display) controller; the functions of carrying out intelligentized calculation in an intelligentized instrument, processing multi-parameter data acquisition, high-accuracy and high-accuracy display, centralizedly communicating, prompting sensor faults and the like by the single chip by virtue of a C language program; the test parameter range of the integrated parameter monitor is comprehensive, and comprises an oxygen concentration, a water content, a carbon monoxide content, a carbon dioxide content, a temperature, a humidity and a territorial air pressure; and the test of the integrated parameter monitor is finished by being integrated in the instrument, thus system configuration is simple, construction is simple and convenient, fault rate is reduced and maintenance is easily carried out, and the system cost is reduced.
Description
Technical field
The utility model relates to the oxygen generation system checkout equipment technical field in medical oxygen supply system, especially relates to a kind of medical molecular sieve oxygen generation system integration parameter monitor.
Background technology
At present, the construction of medical oxygen supply system engineering is indispensable important component part in Constructing of Hospital, and medical oxygen supply system is called as life-support system, is directly to concern people's life and healthy specialities, so be rigid to the quality requirements of product.Along with society is fast-developing, medical oxygen producing also in a variety of forms and fast-developing.For the medical oxygen safety of further standard China, country promulgated and has carried out medical oxygen supply system engineering new standard from 2012: GB50751-2012 < < the medical gas project technical manual > >.Especially medical molecular sieve oxygen generation system industry has been improved to requirement aspect a lot, wherein, except requiring oxygen concentration test, increased to the parameters such as moisture, carbon monoxide content, carbon dioxide content are carried out high precision, measured requirement accurate, real-time testing; Input pickup is detected to presence; Increase configuration monitoring system, and monitor data possesses and provides user's mis system and industry management system to use simultaneously, to facilitate each side to set up higher management database.
In industry prior art, only oxygen concentration is carried out to continuous on-line testing,, under new nation's standard-required, in medical molecular sieve oxygen generation system, must need the configuration of the test instrumentation that increases at least three class parameter testings continous way work and increase the costs such as relevant device, system architecture layout; And the communications protocol that not all possesses communication function or these parameter testing instrument in existing test instrumentation may not be identical, must increase numerous and diverse degree of supervisory system and multinomial test instrumentation communication interface amount and processing communications protocol.
Summary of the invention
The purpose of this utility model is that the defect of the measurement complexity of avoiding prior art provides a kind of medical molecular sieve oxygen generation system integration parameter monitor, and it realizes the monitor device that completes in a smart instrumentation, also increases supervision input pickup status function integrated the tested parameters of at least six classes such as oxygen concentration, temperature, humidity, carbon monoxide content, carbon dioxide content, region air pressure.Thereby effectively solve the defect existing in prior art.
For achieving the above object, the technical scheme that the utility model is taked is: described a kind of medical molecular sieve oxygen generation system integration parameter monitor, comprise single-chip microcomputer, be characterized in also comprising that described single-chip microcomputer is connected with A/D modular converter, the first operational amplifier, the second operational amplifier, the 3rd operational amplifier, four-operational amplifier, the 5th operational amplifier is connected with A/D modular converter respectively with the 6th operational amplifier, oxygen sensor is connected with the first operational amplifier, pressure transducer is connected with the second operational amplifier, temperature sensor is connected with the 3rd operational amplifier, carbon monoxide transducer is connected with four-operational amplifier, carbon dioxide sensor is connected with the 5th operational amplifier, humidity sensor is connected with the 6th operational amplifier, dual output transformer respectively with single-chip microcomputer, the 3rd operational amplifier is connected with the 6th operational amplifier, micro-power consumption direct current transmitter is connected with dual output transformer, external two high precision digital-to-analog converters of described single-chip microcomputer, digital communication port, touch screen controller and integrated form lcd controller, two high precision digital-to-analog converters connect respectively the first output port of power source and second source output port, TFTLCD liquid crystal display is connected with integrated form lcd controller with touch screen controller respectively, touch screen controller peripheral hardware USB interface, oxygen concentration lower bound warning output relay, the high limit of oxygen concentration warning output relay, carbon monoxide overload alarm output relay, carbon dioxide overload alarm output relay, humidity overload alarm output relay and temperature over-range warning output relay connect single-chip microcomputer.
Described TFT LCD liquid crystal display is connected with dual output transformer with touch screen controller, dual output transformer comprises rectifier circuit B1, the compound filtering circuit that rectifier circuit B1 combines with capacitor C 1, capacitor C 2, inductance L 5 is connected and passes through resistance R 1, resistance R 2 and stabilivolt W1 and connects output 5V DC voltage, the 100V AC alternating current becoming by power transformer 220V AC is transformed into direct current, ripple in elimination rectifier output voltage, electric capacity, inductance also have flat ripple effect; 5V DC voltage is converted into 3.6V DC by LM2596S/ADJ adjustable voltage stabilizer, LM2596S/ADJ adjustable voltage stabilizer is by comparer, reference voltage source, oscillator, the formations such as driver, LM2596S/ADJ adjustable voltage stabilizer is connected with input filter capacitor C13, inductance L 4, diode D15 and storage capacitor C17.
Described digital communication port is standard RS-232C/RS-485 digital communication port, it adopts RS232/RS485 standard handovers chip S2-485 to realize the existing RS232 interface of computing machine and RS485 interface communicates function, RS232/RS485 standard handovers chip is connected with RS232 standard 9 needle interfaces on one side, and another side is connected with RS485 bus.
The first described analog quantity communication output port and the second analog quantity communication output port are respectively 4-20mA output port and 0-5V/0-10V DC output port.
The described output port of A/D modular converter and the input port of single-chip microcomputer are connected, single-chip microcomputer is by collected parameters, with C language technology, carry out respectively the calculating of real time data Value Data, calibration and data block and transmit processing, realize the integrated measurement function of the parameter of medical oxygen generating system.
P3.0, P3.1, the GND pin of described single-chip microcomputer are corresponding connected with TX, RX, the GND pin of touch screen controller respectively, touch screen controller is connected with TFT LCD liquid crystal display by VGA interface, described integrated form lcd controller and TFT LCD liquid crystal display receive single-chip microcomputer data after treatment and demonstrate the data real-time information of colour, Chinese and realize the demonstration to sensor fault analytical information and parameter overload alarm information simultaneously, with important information is kept in historical data base, realize data instantaneous value/history value function for monitoring.
Described single-chip microcomputer data after treatment send to the realization of RS-232C/RS-485 digital communication port after processing with standard agreement digital quantity communication function are provided; Through high precision digital-to-analog converter, be connected with 4-20mA output port and 0-5V/0-10V DC output port, realize the analog data communication function that standard is provided.
Described single-chip microcomputer model is MSP430 series monolithic, its low-power consumption, and integrated level is high, fast operation, the MSP430 series monolithic that processing power is strong; Described touch-screen adopts the very color touch-screen of TFTLCD, possesses the feature of high pixel and low-response time, centralized displaying oxygen concentration, CO concentration, CO
2parameter and operation and the fault alarm information such as concentration, pressure, temperature, humidity; Described oxygen concentration sensor adopts fuel tank lambda sensor, can realize the fast detecting of oxygen concentration, and this sensor is reliable and stable, avoids the worry of maintenance, is equipped with the high lower bound alarm relay of oxygen concentration; Described temperature sensor adopts contactless thermoelectricity dependent sensor, and feature has: volume is little, highly sensitive, measures accurately, is furnished with temperature over-range and reports to the police; Described pressure transducer employing synthesis precision is high, the professional gas pressure sensor of good stability; Described humidity sensor adopts humitidy capacitor sensor, the major advantage of humicap be highly sensitive, product interchangeability good, the hysteresis of fast response time, humidity is little, easily realize miniaturization and integrated.
The beneficial effects of the utility model are: described a kind of medical molecular sieve oxygen generation system integration parameter monitor, it uses modernization software/hardware technology, by single-chip microcomputer, with C programmer, realize and carry out Intelligent Calculation in a smart instrumentation, process multiple parameters data acquisition, high precision int, accuracy demonstration, concentrate the functions such as communication, sensor fault prompting.Make medical oxygen generating system have easier, high-precision multiparameter on-line monitoring instrument.Its test parameter scope is comprehensive, comprises oxygen concentration, moisture, carbon monoxide content, carbon dioxide content, temperature, humidity, region air pressure.Its Test integration completes in an instrument, makes that system configuration is simple, easy construction, and failure rate reduces and is easy to be safeguarded, system cost reduces.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the utility model circuit principle structure schematic diagram;
Fig. 2 is the utility model oxygen input signal amplifier fundamental diagram;
Fig. 3 is single-chip microcomputer and TFT LCD liquid crystal display connection layout in the utility model Fig. 1;
Fig. 4 is dual output transformer circuit theory structure schematic diagram in the utility model Fig. 1;
Fig. 5 is the first analog quantity communication output port circuit theory structure schematic diagram in the utility model Fig. 1;
Fig. 6 is digital communication port and the PC circuit principle structure schematic diagram that joins in the utility model Fig. 1.
In Fig. 1: 1. single-chip microcomputer; 2.A/D modular converter; 3. oxygen sensor; 4. pressure transducer; 5. temperature sensor; 6. carbon monoxide transducer; 7. carbon dioxide sensor; 8. humidity sensor; 9. the first operational amplifier; 10. the second operational amplifier; 11. the 3rd operational amplifiers; 12. four-operational amplifiers; 13. the 5th operational amplifiers; 14. the 6th operational amplifiers; 15. oxygen concentration lower bound warning output relays; The high limit of 16. oxygen concentrations warning output relay; 17. carbon monoxide overload alarm output relays; 18. carbon dioxide overload alarm output relays; 19. humidity overload alarm output relays; 20. temperature over-range warning output relays; 21. touch screen controllers; 22. integrated form lcd controllers; 23.TFT LCD liquid crystal display; 24. high precision digital-to-analog converters; 25. micro-power consumption direct current transmitters; 26. dual output transformers; 27. digital communication ports; 28.USB interface; 29. first analog quantity communication output ports; 30. second analog quantity communication output ports.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figures 1 to 4, described a kind of medical molecular sieve oxygen generation system integration parameter monitor, comprise single-chip microcomputer 1, be characterized in also comprising that described single-chip microcomputer 1 is connected with A/D modular converter 2, the first operational amplifier 9, the second operational amplifier 10, the 3rd operational amplifier 11, four-operational amplifier 12, the 5th operational amplifier 13 is connected with A/D modular converter 2 respectively with the 6th operational amplifier 14, oxygen sensor 3 is connected with the first operational amplifier 9, pressure transducer 4 is connected with the second operational amplifier 10, temperature sensor 5 is connected with the 3rd operational amplifier 11, carbon monoxide transducer 6 is connected with four-operational amplifier 12, carbon dioxide sensor 7 is connected with the 5th operational amplifier 13, humidity sensor 8 is connected with the 6th operational amplifier 14, dual output transformer 26 respectively with single-chip microcomputer 1, the first operational amplifier 9, the second operational amplifier 10, the 3rd operational amplifier 11, four-operational amplifier 12, the 5th operational amplifier 13 is connected with the 6th operational amplifier 14, micro-power consumption direct current transmitter 25 is connected with dual output transformer 26, external two high precision digital-to-analog converters 24 of described single-chip microcomputer 1, digital communication port 27, integrated form lcd controller 22, two high precision digital-to-analog converters 24 connect respectively the first analog quantity communication output port 29 and the second analog quantity communication output port 30, TFTLCD liquid crystal display 23 is connected with integrated form lcd controller 22 with touch screen controller 21 respectively, touch screen controller 21 peripheral hardware USB interface 28, oxygen concentration lower bound warning output relay 15, the high limit of oxygen concentration warning output relay 16, carbon monoxide overload alarm output relay 17, carbon dioxide overload alarm output relay 18, humidity overload alarm output relay 19 and temperature over-range warning output relay 20 connect single-chip microcomputer.
Described TFT LCD liquid crystal display 23 is connected with dual output transformer 26 with touch screen controller 21, dual output transformer 26 comprises rectifier circuit B1, the compound filtering circuit that rectifier circuit B1 combines with capacitor C 1, capacitor C 2, inductance L 5 is connected and passes through resistance R 1, resistance R 2 and stabilivolt W1 and connects output 5V DC voltage, the 100VAC alternating current becoming by power transformer 220V AC is transformed into direct current, ripple in elimination rectifier output voltage, electric capacity, inductance also have flat ripple effect; 5V DC voltage is converted into 3.6V DC by LM2596S/ADJ adjustable voltage stabilizer, LM2596S/ADJ adjustable voltage stabilizer is by comparer, reference voltage source, oscillator, the formations such as driver, LM2596S/ADJ adjustable voltage stabilizer is connected with input filter capacitor C13, inductance L 4, diode D15 and storage capacitor C17.
Described digital communication port 27 is standard RS-232C/RS-485 digital communication port, it adopts RS232/RS485 standard handovers chip S2-485 to realize the existing RS232 interface of computing machine and RS485 interface communicates function, RS232/RS485 standard handovers chip is connected with RS232 standard 9 needle interfaces on one side, and another side is connected with RS485 bus.
Described the first analog quantity communication output port 29 and the second analog quantity communication output port 30 are respectively 4-20mA output port and 0-5V/0-10V DC output port.
The output port of described A/D modular converter 2 is connected with the input port of single-chip microcomputer 1, single-chip microcomputer 1 is by collected parameters, with C language technology, carry out respectively the calculating of real time data Value Data, calibration and data block and transmit processing, realize the integrated measurement function of the parameter of medical oxygen generating system.
P3.0, P3.1, the GND pin of described single-chip microcomputer 1 are corresponding connected with TX, RX, the GND pin of touch screen controller 21 respectively, touch screen controller 21 is connected with TFT LCD liquid crystal display 23 by VGA interface, described integrated form lcd controller 22 and TFT LCD liquid crystal display 23 receive single-chip microcomputer 1 data after treatment and demonstrate the data real-time information of colour, Chinese and realize the demonstration to sensor fault analytical information and parameter overload alarm information simultaneously, with important information is kept in historical data base, realize data instantaneous value/history value function for monitoring.
Described single-chip microcomputer 1 data after treatment send to 27 realizations of RS-232C/RS-485 digital communication port digital quantity communication function are provided after processing with standard agreement; Through high precision digital-to-analog converter, be connected with 4-20mA output port 29 and 0-5V/0-10V DC output port 30, realize the analog data communication function that standard is provided.
Described single-chip microcomputer model is MSP430 series monolithic, its low-power consumption, and integrated level is high, fast operation, the MSP430 series monolithic that processing power is strong; Described touch-screen adopts the very color touch-screen of TFTLCD, possesses the feature of high pixel and low-response time, centralized displaying oxygen concentration, CO concentration, CO
2parameter and operation and the fault alarm information such as concentration, pressure, temperature, humidity; Described oxygen concentration sensor adopts fuel tank lambda sensor, can realize the fast detecting of oxygen concentration, and this sensor is reliable and stable, avoids the worry of safeguarding.Be equipped with the high lower bound alarm relay of oxygen concentration; Described temperature sensor adopts contactless thermoelectricity dependent sensor, and feature has: volume is little, highly sensitive, measures accurately.Being furnished with temperature over-range reports to the police; Described pressure transducer employing synthesis precision is high, the professional gas pressure sensor of good stability; Described humidity sensor adopts humitidy capacitor sensor, the major advantage of humicap be highly sensitive, product interchangeability good, the hysteresis of fast response time, humidity is little, easily realize miniaturization and integrated.
Described a kind of medical molecular sieve oxygen generation system integration parameter monitor, it is to oxygen concentration parameter testing, be to adopt technology in independent intellectual property right < < desk-top Intelligent Oxygen Analysing Meter embedded software > >, Intelligent Calculation goes out and demonstrates exactly the oxygen concentration real time data value in Different Altitude regional environment.It is to every measured parameter, strictly by the design of industry GB new standard relevant regulations: input pickup duty measuring ability; Parameter overload alarm function; Parameter range ability, precision, accuracy rate etc.Adopt modern TFTLCD color LCD screen new technology, show the real time data of parameters, and with the friendly interface of Chinese display meaning of parameters, it is simple and easy, convenient to operate, and makes this instrumental technique more embody modernization and hommization.The current signal of lambda sensor output, the disposal route that adopts second signal to amplify: oppositely amplify through the first order of dual operational amplifier that (enlargement factor is 10
6doubly), more oppositely amplify (enlargement factor is 20 times) through the second level of low consumed power operational amplifier, it exports A/D modular converter to.In order to prevent the zero point drift of circuit, before the amplifier of the second level, add a negative voltage, guarantee that final output voltage is greater than 0.
The utility model instrument design provides the digital communication interface of standard RS-232C/RS-485,4～20mA electric current, 0～10V and 0～5V voltage analog formula communication function, realize multiparameter and concentrate after pool processing, and between other supervisory system/equipment, carry out data communication.
In the integrated parameter monitor of the utility model, single-chip microcomputer is selected TBGA encapsulation mode, relatively LQFP encapsulation mode has less volume, better heat dispersion and electrical property, chip to have stronger anti-interference and noiseproof feature, good stability and close structure firm, the long-time on-line operation demand of the equipment that is more suitable for.Except adopting software, the Anti-Jamming Techniques such as digital filtering of the prior art, RAM data protection and error correction, the also special Software Anti-interference program function of strengthening: design trap tech, flight distance order is run in interception; And design " house dog " technology, make program disengaging " endless loop " etc.Further safeguards system operation has good interference free performance and reliability.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a medical molecular sieve oxygen generation system integration parameter monitor, comprise single-chip microcomputer, it is characterized in that also comprising that described single-chip microcomputer is connected with A/D modular converter, the first operational amplifier, the second operational amplifier, the 3rd operational amplifier, four-operational amplifier, the signal output port of the 5th operational amplifier and the 6th operational amplifier is connected in series respectively oxygen sensor, pressure transducer, temperature sensor, carbon monoxide transducer, carbon dioxide sensor with after humidity sensor, be connected with the input port of A/D modular converter, the output port of described A/D modular converter is connected with the input port of single-chip microcomputer, dual output transformer is connected with single-chip microcomputer, the first operational amplifier, the second operational amplifier, the 3rd operational amplifier, four-operational amplifier, the 5th operational amplifier, the 6th operational amplifier, touch screen controller respectively, and micro-power consumption direct current transmitter is connected with dual output transformer, external two high precision digital-to-analog converters of described single-chip microcomputer, digital communication port, touch screen controller and integrated form lcd controller, two high precision digital-to-analog converters connect respectively the first analog quantity communication output port and the second analog quantity communication output port, TFT LCD liquid crystal display is connected with integrated form lcd controller with touch screen controller respectively, touch screen controller peripheral hardware USB interface, oxygen concentration lower bound warning output relay, the high limit of oxygen concentration warning output relay, carbon monoxide overload alarm output relay, carbon dioxide overload alarm output relay, humidity overload alarm output relay and temperature over-range warning output relay connect single-chip microcomputer.
2. a kind of medical molecular sieve oxygen generation system integration parameter monitor as claimed in claim 1, it is characterized in that: described TFT LCD liquid crystal display is connected with dual output transformer with touch screen controller, dual output transformer comprises rectifier circuit B1, rectifier circuit B1 and capacitor C 1, capacitor C 2, the compound filtering circuit that inductance L 5 combines is connected and passes through resistance R 1, resistance R 2 and stabilivolt W1 connect output 5V DC voltage, the 100V AC alternating current becoming by power transformer 220V AC is transformed into direct current, ripple in elimination rectifier output voltage, electric capacity, inductance also has flat ripple effect, 5V DC voltage is converted into 3.6V DC by LM2596S/ADJ adjustable voltage stabilizer, LM2596S/ADJ adjustable voltage stabilizer is by comparer, reference voltage source, oscillator, the formations such as driver, LM2596S/ADJ adjustable voltage stabilizer is connected with input filter capacitor C13, inductance L 4, diode D15 and storage capacitor C17.
3. a kind of medical molecular sieve oxygen generation system integration parameter monitor as claimed in claim 1, it is characterized in that: described digital communication port is standard RS-232C/RS-485 digital communication port, it adopts RS232/RS485 standard handovers chip S2-485 to realize the existing RS232 interface of computing machine and RS485 interface communicates function, RS232/RS485 standard handovers chip is connected with RS232 standard 9 needle interfaces on one side, and another side is connected with RS485 bus.
4. a kind of medical molecular sieve oxygen generation system integration parameter monitor as claimed in claim 1, is characterized in that: the first described analog quantity communication output port and the second analog quantity communication output port are respectively 4-20mA output port and 0-5V/0-10V DC output port.
5. a kind of medical molecular sieve oxygen generation system integration parameter monitor as claimed in claim 1, it is characterized in that: P3.0, P3.1, the GND pin of described single-chip microcomputer are corresponding connected with TX, RX, the GND pin of touch screen controller respectively, and touch screen controller is connected with TFT LCD liquid crystal display by VGA interface.
6. a kind of medical molecular sieve oxygen generation system integration parameter monitor as claimed in claim 1, it is characterized in that: described single-chip microcomputer model is MSP430 series monolithic, described touch-screen adopts the very color touch-screen of TFTLCD, described oxygen concentration sensor adopts fuel tank lambda sensor, described temperature sensor adopts contactless thermoelectricity dependent sensor, described pressure transducer adopts gas pressure sensor, and described humidity sensor adopts humitidy capacitor sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484394.3U CN203551001U (en) | 2013-08-09 | 2013-08-09 | Integrated parameter monitor for medical molecular sieve oxygen generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484394.3U CN203551001U (en) | 2013-08-09 | 2013-08-09 | Integrated parameter monitor for medical molecular sieve oxygen generation system |
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| CN203551001U true CN203551001U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320484394.3U Expired - Fee Related CN203551001U (en) | 2013-08-09 | 2013-08-09 | Integrated parameter monitor for medical molecular sieve oxygen generation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398744A (en) * | 2013-08-09 | 2013-11-20 | 山西埃尔气体系统工程有限公司 | Monitor for integrated parameters of medical molecular sieve oxygen generation system |
| CN104503264A (en) * | 2014-10-22 | 2015-04-08 | 保定迈卓医疗器械有限公司 | Miniature three-tower structure molecular sieve oxygenerator digital monitoring and control system |
-
2013
- 2013-08-09 CN CN201320484394.3U patent/CN203551001U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398744A (en) * | 2013-08-09 | 2013-11-20 | 山西埃尔气体系统工程有限公司 | Monitor for integrated parameters of medical molecular sieve oxygen generation system |
| CN104503264A (en) * | 2014-10-22 | 2015-04-08 | 保定迈卓医疗器械有限公司 | Miniature three-tower structure molecular sieve oxygenerator digital monitoring and control system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181205 Address after: 030032 Room 301 and 302, No. 8 Kaiyuan Street, 128 District, Tanghuai Park, Shanxi Comprehensive Reform Demonstration Area, Taiyuan City, Shanxi Province Patentee after: Shanxi Weiyi Medical Technology Co., Ltd. Address before: 030000 128 District of Taiyuan Economic and Technological Development Zone, Shanxi Province Patentee before: Shanxi SuniAir Gas System Engineering Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20200809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |