CN204831352U - A remote monitoring circuit for pressure regulating batch meter real -time operation state - Google Patents
A remote monitoring circuit for pressure regulating batch meter real -time operation state Download PDFInfo
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- CN204831352U CN204831352U CN201520206028.0U CN201520206028U CN204831352U CN 204831352 U CN204831352 U CN 204831352U CN 201520206028 U CN201520206028 U CN 201520206028U CN 204831352 U CN204831352 U CN 204831352U
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- 238000013500 data storage Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 45
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
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- 238000003379 elimination reaction Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- 101150075681 SCL1 gene Proteins 0.000 description 1
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Abstract
The utility model provides a remote monitoring circuit for pressure regulating batch meter real -time operation state, the fire emergency system comprises a master controller, signal conditioning circuit, GPRS mobile module, the controller passes through GPRS mobile module and realizes the radio signal transmission with control terminal, signal conditioning circuit's signal acquisition end is connected with two temperature sensor and two pressure sensor, the pressure regulating batch meter that signal conditioning circuit will gather advances, the temperature and the pressure signal that give vent to anger on the pipeline handle the back, transmit to main control unit by signal output part, main control unit carries out data storage by GPRS mobile module wireless transmission to control terminal or by the memory circuit with the signal of receiving. The utility model has following beneficial effects: : convenient to use, the monitoring is accurate, the precision is high, and it is the operation conditions of on -line monitoring pressure regulating batch meter in real time, can in time discover the trouble according to real -time operation conditions, prevents the gas accident, guarantees the reliability of pressure regulating batch meter use.
Description
Technical field
The utility model relates to natural gas metering field, and particularly one carries out GPRS remote monitoring circuit to fuel gas voltage regulation batch meter.
Background technology
Measuring instrument in current domestic fuel gas voltage regulation batch meter connects be traditional mechanical type tensimeter to obtain pressure, the operating state information acquisition of voltage regulation batch meter is gathered by artificial timing meter reading, analyzed data.The mode drawback of manual metering is obvious, and the existence of such as record by mistake, leakage record phenomenon can have influence on accuracy and the integrality of data; Manual metering inefficiency, be not easy to the running status monitoring voltage regulation batch meter constantly, when certain one of them local voltage regulation batch meter generation combustion gas fault, need manually carry out investigating one by one the voltage regulation batch meter in this compass of competency, just can find out the source of trouble, keep in repair, labour intensity is large, efficiency is low, is not easy to Timeliness coverage and removes combustion gas fault.
Utility model content
The purpose of this utility model is exactly to solve the problem, there is provided a kind of and monitor the remote monitoring circuit for voltage regulation batch meter real-time running state accurate, precision is high, it can the operation conditions of real time on-line monitoring voltage regulation batch meter, according to real-time operation conditions energy Timeliness coverage fault, prevent gas accidents.
To achieve these goals, the following technical scheme that the utility model adopts, it comprises master controller, signal conditioning circuit, GPRS mobile module, wherein, controller realizes transmission of wireless signals by GPRS mobile module and control terminal, the signals collecting end of signal conditioning circuit is connected with temperature sensor and pressure transducer, temperature sensor and pressure transducer are two, one of them temperature sensor and pressure transducer are arranged on the admission line of voltage regulation batch meter, another temperature sensor and pressure transducer are arranged on the outlet pipe of voltage regulation batch meter, the voltage regulation batch meter collected enters by signal conditioning circuit, after temperature on outlet pipe and pressure signal process, master controller is transferred to by signal output part, the signal one of reception is through GPRS mobile module and is wirelessly transmitted to control terminal by master controller, one is carry out data storage by memory circuit.
The utility model is mounting temperature sensor and pressure transducer on the admission line of voltage regulation batch meter, also mounting temperature sensor and pressure transducer on the outlet pipe of voltage regulation batch meter, signal conditioning circuit have four signals collecting ends, four signals collecting ends are respectively inlet temperature collection terminal, outlet temperature collection terminal, intake pressure collection terminal and top hole pressure collection terminal, temperature sensor on voltage regulation batch meter admission line is connected with the inlet temperature collection terminal of signal conditioning circuit by data line, pressure transducer on admission line is connected with the intake pressure collection terminal of signal conditioning circuit by data line, temperature sensor on voltage regulation batch meter outlet pipe is connected with the outlet temperature collection terminal of signal conditioning circuit, pressure transducer on admission line is connected with the top hole pressure collection terminal of signal conditioning circuit by data line, temperature sensor and pressure transducer by the current signal transfer of the temperature that gathers and pressure to signal conditioning circuit, the current signal of temperature and pressure is converted to voltage signal by signal conditioning circuit, again this voltage signal is transferred to master controller, control terminal is transferred to by GPRS mobile module wireless remote by master controller, operating personnel just can observe temperature and the pressure parameter of the turnover tracheae of voltage regulation batch meter in pulpit, the convenient operational factor constantly grasping voltage regulation batch meter in time, when the operational factor of the display on control terminal there are differences, operating personnel will know that voltage regulation batch meter operationally breaks down.Energy Timeliness coverage fault, is convenient to maintenance, avoids gas accidents occurs, all have employed temperature sensor and pressure transducer, dual signal collection at the air inlet and outlet end of voltage regulation batch meter, improve precision and accuracy.For the voltage regulation batch meter of local a greater number, can monitor simultaneously, can be numbered each voltage regulation batch meter, easy to operate, the manual site of elimination looks for and looks into the source of trouble, reduces labour intensity.
Due to the above technical scheme adopted, the utility model has following beneficial effect: use reliable, monitoring is accurate, precision is high, it can the operation conditions of real time on-line monitoring voltage regulation batch meter, according to real-time operation conditions energy Timeliness coverage fault, prevent gas accidents, ensure the reliability that voltage regulation batch meter uses.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the circuit diagram of the utility model Master control chip.
Fig. 3 is the circuit diagram of modulate circuit in the utility model.
Fig. 4 is the circuit diagram of the novel middle timing circuit of this reality.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As shown in Figure 1, a kind of remote monitoring circuit for voltage regulation batch meter real-time running state that the utility model adopts, it is characterized in that: comprise master controller 1, signal conditioning circuit 2, GPRS mobile module 3, master controller 1 realizes transmission of wireless signals by GPRS mobile module 3 and control terminal, the signals collecting end of signal conditioning circuit 2 is connected with temperature sensor 4 and pressure transducer 5, temperature sensor 4 and pressure transducer 5 are two, one of them temperature sensor and pressure transducer are arranged on the admission line of voltage regulation batch meter, another temperature sensor and pressure transducer are arranged on the outlet pipe of voltage regulation batch meter, the voltage regulation batch meter collected enters by signal conditioning circuit, after temperature on outlet pipe and pressure signal process, master controller is transferred to by signal output part, the signal one of reception is through GPRS mobile module 3 and is wirelessly transmitted to control terminal by master controller 1, one is carry out data storage by memory circuit 6.
The utility model is mounting temperature sensor and pressure transducer on the admission line of voltage regulation batch meter, also mounting temperature sensor and pressure transducer on the outlet pipe of voltage regulation batch meter, signal conditioning circuit have four signals collecting ends, four signals collecting ends are respectively inlet temperature collection terminal, outlet temperature collection terminal, intake pressure collection terminal and top hole pressure collection terminal, temperature sensor on voltage regulation batch meter admission line is connected with the inlet temperature collection terminal of signal conditioning circuit by data line, pressure transducer on admission line is connected with the intake pressure collection terminal of signal conditioning circuit by data line, temperature sensor on voltage regulation batch meter outlet pipe is connected with the outlet temperature collection terminal of signal conditioning circuit, pressure transducer on admission line is connected with the top hole pressure collection terminal of signal conditioning circuit by data line, temperature sensor and pressure transducer by the current signal transfer of the temperature that gathers and pressure to signal conditioning circuit, the current signal of temperature and pressure is converted to voltage signal by signal conditioning circuit, again this voltage signal is transferred to master controller, control terminal is transferred to by GPRS mobile module wireless remote by master controller, operating personnel just can observe temperature and pressure that the turnover tracheae of voltage regulation batch meter reacts in pulpit, the convenient operational factor constantly grasping voltage regulation batch meter in time, when the operational factor of the display on control terminal there are differences, operating personnel will know that voltage regulation batch meter operationally breaks down.Energy Timeliness coverage fault, is convenient to maintenance, avoids gas accidents occurs, all have employed temperature sensor and pressure transducer, dual signal collection at the air inlet and outlet end of voltage regulation batch meter, improve precision and accuracy.For local multiple voltage regulation batch meters, can monitor, easy to operate, the manual site of elimination looks for and looks into the source of trouble, reduces labour intensity simultaneously.The model of master controller single-chip microcomputer is PIC18F44K22.
As shown in Figure 3, signal conditioning circuit 2 comprises signal processing chip U6, first adjustable resistance W1, second adjustable resistance W2, 3rd adjustable resistance W3, 4th adjustable resistance W4, 39 resistance R39, 40 resistance R40, 41 resistance R41, 42 resistance R42, 43 resistance R43, 44 resistance R44, 45 resistance R45, 46 resistance R46, 60 electric capacity C60 and the 61 electric capacity C61, wherein, the 1 sufficient VoutA end of signal processing chip U6 is successively by the first adjustable resistance W1, 39 resistance R39 is connected with the negative pole of the 61 electric capacity C61, the positive pole of the 61 electric capacity C61 is held with the 4 sufficient Vdd of signal processing chip U6 and is connected, 60 electric capacity C60 is connected in parallel on the two ends of the 61 electric capacity C61, the adjustable side of the first adjustable resistance W1 is held with the 2 sufficient VinA-of signal processing chip U6 and is connected, the 2 sufficient VinA-ends of signal processing chip U6 are connected between the first adjustable resistance W1 and the 39 resistance R39, the 3 sufficient VinA+ ends of signal processing chip U6 connect the temperature sensor of voltage regulation batch meter inlet end by the 40 resistance R40, the 5 sufficient VinB+ ends of signal processing chip U6 connect the temperature sensor of voltage regulation batch meter outlet side by the 41 resistance R41, the 6 sufficient VinB-ends of signal processing chip U6 are by the 42 resistance R42 ground connection, the 7 sufficient VoutB ends one of signal processing chip U6 are the 6 sufficient VinB-ends being met signal processing chip U6 by the second adjustable resistance W2, the 7 sufficient VoutB ends one of signal processing chip U6 are the adjustable sides meeting the second adjustable resistance W2, the 8 sufficient VoutC ends of signal processing chip U6 are successively by the 3rd adjustable resistance W3 and the 43 resistance R43 ground connection, the adjustable side of the 3rd adjustable resistance W3 is held with the 9 sufficient VoutC-of signal processing chip U6 and is connected, the adjustable side of the 3rd adjustable resistance W3 is serially connected between the 3rd adjustable resistance W3 and the 43 resistance R43, the 10 sufficient VoutC+ ends of signal processing chip U6 are connected with the pressure transducer of voltage regulation batch meter inlet end by the 44 resistance R44, the 11 sufficient Vss termination GND of signal processing chip U6, the 12 sufficient VinD+ ends of signal processing chip U6 are connected with the pressure transducer of voltage regulation batch meter outlet side by the 45 resistance R45, the 13 sufficient VinD-ends of signal processing chip U6 are connected with the adjustable side of the 4th adjustable resistance W4, the 14 sufficient VoutD ends of signal processing chip U6 are successively by the 4th adjustable resistance W4 and the 46 resistance R46 ground connection, the adjustable side of the 4th adjustable resistance W4 is also connected between the 4th adjustable resistance W4 and the 46 resistance R46, the 1 sufficient VoutA end of signal processing chip U6 connects the Tin joint on main control singlechip U8, the 7 sufficient VoutB ends of signal processing chip U6 connect the Tout joint on main control singlechip U8, the 8 sufficient VoutC ends of signal processing chip U6 connect the Pout joint on main control singlechip U8, Pin joint on the 14 sufficient VoutD termination main control singlechip U8 of signal processing chip U6.
As shown in Figure 2, the 20 sufficient RA1 ends of main control singlechip U8 are Tin joint, this RA1 holds also by the 62 electric capacity C62 ground connection, the 21 sufficient RA2 ends of main control singlechip U8 are Tout joint, this RA2 holds also by the 63 electric capacity C63 ground connection, the 22 sufficient RA3 ends of main control singlechip U8 are Pin joint, this RA3 holds also by the 64 electric capacity C64 ground connection, the 23 sufficient RA4 ends of main control singlechip U8 are Pout joint, this RA4 holds also by the 65 electric capacity C65 ground connection, the 25 sufficient RE0 ends of main control singlechip U8 connect the base stage of the first triode Q1 by the 8th resistance R8, the grounded emitter of the first triode Q1, 13 resistance R13 in parallel between the base stage of the first triode Q1 and the emitter of the first triode Q1, the collector of the first triode Q1 is held with the ON/OFF of mobile module and is connected, mobile module adopts MG815+, the emitter of the first triode Q1 is also connected with the emitter of the second triode Q2, the current collection very REST terminals of the second triode Q2, base stage and the second triode Q2 emitter of the second triode Q2 are parallel with the 14 resistance R14, the base stage of the second triode Q2 is connected with one end of the 6th resistance R6, the other end of the 6th resistance R6 is M_REST terminals, these MREST terminals are held with the 26 sufficient RE1 of main control singlechip U8 and are connected, the 28 sufficient VDD of main control singlechip U8 connect+5V power supply, the 29 sufficient GND ground connection of main control singlechip U8, the 30 sufficient OS1 ends of main control singlechip U8 are by the 21 C21 capacity earth, the 31 sufficient OS2 mono-of main control singlechip U8 to hold with described OS1 by the second crystal oscillator XT2 to be connected, the 31 sufficient OS2 bis-of main control singlechip U8 are by the 20 C20 ground connection, the 32 sufficient RC0 ends of main control singlechip U8 are held with the WP of memory circuit and are connected to realize the two-way communication with memory circuit, the 37 sufficient RC3 of main control singlechip U8 are the terminals of memory circuit SCL1, the 42 sufficient RC4 of main control singlechip U8 are the terminals of memory circuit SDA1, the 3 sufficient RD5 of main control singlechip U8 are RS485 communication interface, the 6 sufficient GND of main control singlechip U8 hold ground connection, the 7 sufficient vdd terminals of main control singlechip U8 connect+5V power supply, the 14 sufficient RB4 ends of main control singlechip U8 are relay indicating light KEY terminals.
This signal conditioning circuit converts the current signal of each temperature sensor and pressure transducer collecting temperature and pressure to voltage signal respectively, and the voltage signal of temperature and pressure is transferred on main control singlechip U8, the model of signal processing chip U6 is MCP604.
As shown in Figure 4, main control singlechip U8 is connected with timing circuit 7, this timing circuit comprises timing chip U3, 4th resistance R4, 26 resistance R26, 27 resistance R27, 8th diode D8, 15 electric capacity C15, 50 electric capacity C50, 17 electric capacity C17 and crystal oscillator XT1, the 1 sufficient osci end one of timing chip U3 is by the 15 electric capacity C15 ground connection, the 1 sufficient osci end two of timing chip U3 is the 2 sufficient osco ends being met timing chip U3 by crystal oscillator XT1, the 3 sufficient int ends one of timing chip U3 connect+5V power supply by the 4th resistance R4, the 3 sufficient int ends two of timing chip U3 are the 4 sufficient Vss ends being met timing chip U3 by the 50 electric capacity C50, the 4 sufficient Vss of timing chip U3 hold ground connection, the 5 sufficient SDA ends one of timing chip U3 connect+5V power supply by the 27 resistance R27, the 5 sufficient SDA ends two of timing chip U3 are connected with 39 of main control singlechip U8 sufficient RD1, the 6 sufficient SCL ends one of timing chip U3 connect+5V power supply by the 26 resistance R26, the 6 sufficient SCL ends two of timing chip U3 are connected with 38 of main control singlechip U8 sufficient RD0, the 7 sufficient CLKout ends of timing chip U3 are unsettled, the 8 sufficient Vdd ends one of timing chip U3 are the positive poles of connection the 17 electric capacity C17, the minus earth of the 17 electric capacity C17, the 8 sufficient Vdd ends two of timing chip U3 are the negative poles of connection the 8th diode D8, the positive pole of the 8th diode D8 connects+5V power supply.
Can by the time in timing circuit sets data, control main main control singlechip U8 timing to server uploading data, the model of timing chip U3 is PCF8563.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme belonging to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, the some improvement carried out under the prerequisite not departing from principle of the present utility model, these improvement also should be considered as protection domain of the present utility model.
Claims (3)
1. the remote monitoring circuit for voltage regulation batch meter real-time running state, it is characterized in that: comprise master controller, signal conditioning circuit, GPRS mobile module, master controller realizes transmission of wireless signals by GPRS mobile module and control terminal, the signals collecting end of signal conditioning circuit is connected with temperature sensor and pressure transducer, temperature sensor and pressure transducer are two, one of them temperature sensor and pressure transducer are arranged on the admission line of voltage regulation batch meter, another temperature sensor and pressure transducer are arranged on the outlet pipe of voltage regulation batch meter, the voltage regulation batch meter collected enters by signal conditioning circuit, after temperature on outlet pipe and pressure signal process, master controller is transferred to by signal output part, the signal one of reception is through GPRS mobile module and is wirelessly transmitted to control terminal by master controller, one is carry out data storage by memory circuit.
2. as claimed in claim 1 for the remote monitoring circuit of voltage regulation batch meter real-time running state, it is characterized in that: it is MCP604 signal processing chip U6 that signal conditioning circuit comprises model, first adjustable resistance W1, second adjustable resistance W2, 3rd adjustable resistance W3, 4th adjustable resistance W4, 39 resistance R39, 40 resistance R40, 41 resistance R41, 42 resistance R42, 43 resistance R43, 44 resistance R44, 45 resistance R45, 46 resistance R46, 60 electric capacity C60 and the 61 electric capacity C61, wherein, the 1 sufficient VoutA end of signal processing chip U6 is successively by the first adjustable resistance W1, 39 resistance R39 is connected with the negative pole of the 61 electric capacity C61, the positive pole of the 61 electric capacity C61 is held with the 4 sufficient Vdd of signal processing chip U6 and is connected, 60 electric capacity C60 is connected in parallel on the two ends of the 61 electric capacity C61, the adjustable side of the first adjustable resistance W1 is held with the 2 sufficient VinA-of signal processing chip U6 and is connected, the 2 sufficient VinA-ends of signal processing chip U6 are connected between the first adjustable resistance W1 and the 39 resistance R39, the 3 sufficient VinA+ ends of signal processing chip U6 connect the temperature sensor of voltage regulation batch meter inlet end by the 40 resistance R40, the 5 sufficient VinB+ ends of signal processing chip U6 connect the temperature sensor of voltage regulation batch meter outlet side by the 41 resistance R41, the 6 sufficient VinB-ends of signal processing chip U6 are by the 42 resistance R42 ground connection, the 7 sufficient VoutB ends one of signal processing chip U6 are the 6 sufficient VinB-ends being met signal processing chip U6 by the second adjustable resistance W2, the 7 sufficient VoutB ends one of signal processing chip U6 are the adjustable sides meeting the second adjustable resistance W2, the 8 sufficient VoutC ends of signal processing chip U6 are successively by the 3rd adjustable resistance W3 and the 43 resistance R43 ground connection, the adjustable side of the 3rd adjustable resistance W3 is held with the 9 sufficient VoutC-of signal processing chip U6 and is connected, the adjustable side of the 3rd adjustable resistance W3 is serially connected between the 3rd adjustable resistance W3 and the 43 resistance R43, the 10 sufficient VoutC+ ends of signal processing chip U6 are connected with the pressure transducer of voltage regulation batch meter inlet end by the 44 resistance R44, the 11 sufficient Vss termination GND of signal processing chip U6, the 12 sufficient VinD+ ends of signal processing chip U6 are connected with the pressure transducer of voltage regulation batch meter outlet side by the 45 resistance R45, the 13 sufficient VinD-ends of signal processing chip U6 are connected with the adjustable side of the 4th adjustable resistance W4, the 14 sufficient VoutD ends of signal processing chip U6 are successively by the 4th adjustable resistance W4 and the 46 resistance R46 ground connection, the adjustable side of the 4th adjustable resistance W4 is also connected between the 4th adjustable resistance W4 and the 46 resistance R46, the 1 sufficient VoutA end of signal processing chip U6 connects the Tin joint on main control singlechip U8, the 7 sufficient VoutB ends of signal processing chip U6 connect the Tout joint on main control singlechip U8, the 8 sufficient VoutC ends of signal processing chip U6 connect the Pout joint on main control singlechip U8, Pin joint on the 14 sufficient VoutD termination main control singlechip U8 of signal processing chip U6.
3. as claimed in claim 1 for the remote monitoring circuit of voltage regulation batch meter real-time running state, it is characterized in that: in model be PIC18F44K22 main control singlechip U8 on be connected with timing circuit, this timing circuit comprises timing chip U3, 4th resistance R4, 26 resistance R26, 27 resistance R27, 8th diode D8, 15 electric capacity C15, 50 electric capacity C50, 17 electric capacity C17 and crystal oscillator XT1, the 1 sufficient osci end one of timing chip U3 is by the 15 electric capacity C15 ground connection, the 1 sufficient osci end two of timing chip U3 is the 2 sufficient osco ends being met timing chip U3 by crystal oscillator XT1, the 3 sufficient int ends one of timing chip U3 connect+5V power supply by the 4th resistance R4, the 3 sufficient int ends two of timing chip U3 are the 4 sufficient Vss ends being met timing chip U3 by the 50 electric capacity C50, the 4 sufficient Vss of timing chip U3 hold ground connection, the 5 sufficient SDA ends one of timing chip U3 connect+5V power supply by the 27 resistance R27, the 5 sufficient SDA ends two of timing chip U3 are connected with 39 of main control singlechip U8 sufficient RD1, the 6 sufficient SCL ends one of timing chip U3 connect+5V power supply by the 26 resistance R26, the 6 sufficient SCL ends two of timing chip U3 are connected with 38 of main control singlechip U8 sufficient RD0, the 7 sufficient CLKout ends of timing chip U3 are unsettled, the 8 sufficient Vdd ends one of timing chip U3 are the positive poles of connection the 17 electric capacity C17, the minus earth of the 17 electric capacity C17, the 8 sufficient Vdd ends two of timing chip U3 are the negative poles of connection the 8th diode D8, the positive pole of the 8th diode D8 connects+5V power supply.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520206028.0U CN204831352U (en) | 2015-04-08 | 2015-04-08 | A remote monitoring circuit for pressure regulating batch meter real -time operation state |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520206028.0U CN204831352U (en) | 2015-04-08 | 2015-04-08 | A remote monitoring circuit for pressure regulating batch meter real -time operation state |
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| CN204831352U true CN204831352U (en) | 2015-12-02 |
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| CN201520206028.0U Expired - Fee Related CN204831352U (en) | 2015-04-08 | 2015-04-08 | A remote monitoring circuit for pressure regulating batch meter real -time operation state |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605425A (en) * | 2015-12-24 | 2016-05-25 | 天津鸿觉能源科技有限公司 | Control system for fuel gas pressure regulation metering station |
-
2015
- 2015-04-08 CN CN201520206028.0U patent/CN204831352U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605425A (en) * | 2015-12-24 | 2016-05-25 | 天津鸿觉能源科技有限公司 | Control system for fuel gas pressure regulation metering station |
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Address after: 401121 No. 69, Mount Huangshan Avenue, Yubei District, Chongqing Patentee after: Chongqing Qianwei watch Co.,Ltd. Address before: No.69, middle section of Huangshan Avenue, Yubei District, Chongqing Patentee before: QIANWEI KROMSCHRODER METERS (CHONGQING) Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |