CN203703311U - Natural gas transportation valve remote opening and closing device - Google Patents
Natural gas transportation valve remote opening and closing device Download PDFInfo
- Publication number
- CN203703311U CN203703311U CN201420077311.3U CN201420077311U CN203703311U CN 203703311 U CN203703311 U CN 203703311U CN 201420077311 U CN201420077311 U CN 201420077311U CN 203703311 U CN203703311 U CN 203703311U
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- contactor
- natural gas
- remote control
- control terminal
- rtu
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Abstract
The utility model discloses a natural gas transportation valve remote opening and closing device which comprises a remote terminal unit (RTU), a storage battery, a valve motor-driven execution mechanism with an alternating current motor integrated in the mechanism, an inverter, an alternating current contactor group, a relay group and a remote wireless communication module. The alternating current contactor group is composed of a first alternating current contactor and a second alternating current contactor. The relay group is composed of a solid state relay, a first middle relay, a second middle relay and a third middle relay. The solid state relay is connected between the storage battery and the inverter in series, the third middle relay is connected between the RTU and the solid state relay in series, the first alternating current contactor and the second alternating current contactor are connected in parallel between the inverter and the alternating current motor, the first middle relay is connected between the RTU and the first alternating current contactor in series, and the second middle relay is connected between the RTU and the second alternating current contactor in series. The device is convenient to use and operate and good in practicability.
Description
Technical field
The utility model belongs to field of intelligent control technology, specifically relates to a kind of natural gas transport valve remote switch device.
Background technique
At present, in natural gas transport, the valve on gas transmission line, does not install electric actuator substantially, in the situation that there is emergency episode, must in person go to valve place manual-lock valve by staff.There is following problem: the first, occur to manual-lock valve in accident, this needs a time course, has often incured loss through delay accident treatment; The second, in the time that accident point is just in time very near apart from valve, staff is sometimes often inaccessible.Electric actuator can replace manually closes valve in advance, both saves time, and can avoid again the further expansion of accident.But, on natural gas transmission pipeline or be in the wild, below the road surface in city, even electric actuator has been installed on natural gas transmission pipeline, prior art also all cannot provide the power electric of 220V or 380V to electric actuator substantially, is therefore difficult to ensure the normal work of electric actuator.
Model utility content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of natural gas transport valve remote switch device is provided, it is simple in structure, it is convenient to realize, and uses simple operation, can replace manually natural gas transport valve is closed in advance, both saved time, can avoid again the further expansion of accident, practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of natural gas transport valve remote switch device, it is characterized in that: comprise RTU remote control terminal, storage battery, electric valve executing mechanism and for the direct current of storage battery output being converted to the inverter of the required Ac of electric valve executing mechanism, and A.C. contactor group and relay group, on described RTU remote control terminal, be connected to remote wireless communication module, described electric valve executing mechanism inside is integrated with the AC motor for driving described natural gas transport valve open or closing, described A.C. contactor group forms by the first A.C. contactor for controlling AC motor forward with for the second A.C. contactor of controlling AC motor reversion, described relay group is by the solid-state relay for control inverter power on/off, for controlling the first auxiliary reclay of the first A.C. contactor power on/off, for controlling the second auxiliary reclay of the second A.C. contactor power on/off and forming for the 3rd auxiliary reclay of controlling solid-state relay power on/off, described RTU remote control terminal and remote wireless communication module all join with the output terminal of storage battery, described solid-state relay is connected between the output terminal of storage battery and the input end of inverter, described the 3rd auxiliary reclay is connected between first output terminal and solid-state relay of RTU remote control terminal, described the first A.C. contactor and the second A.C. contactor are connected in parallel between the output terminal of inverter and the power end of AC motor, described the first auxiliary reclay is connected between second output terminal and the first A.C. contactor of RTU remote control terminal, described the second auxiliary reclay is connected between the 3rd output terminal and the second A.C. contactor of RTU remote control terminal.
Above-mentioned natural gas transport valve remote switch device, it is characterized in that: described electric valve executing mechanism inside is integrated with the opening limit switch that detects for described natural gas transport valve open is put in place and for the limit switch of closing detecting that described natural gas transport valve closing is put in place, the first input end of described opening limit switch and RTU remote control terminal joins, described in close limit switch and RTU remote control terminal the second input end join.
Above-mentioned natural gas transport valve remote switch device, is characterized in that: described RTU remote control terminal is the RTU remote control terminal that the model of Beijing Econtrolnet Ltd., Co.'s production is STC-1.
Above-mentioned natural gas transport valve remote switch device, is characterized in that: described remote wireless communication module is GPRS wireless communication module, cdma wireless communication module or 3G wireless communication module.
The utility model compared with prior art has the following advantages:
1, circuit structure of the present utility model is simple, rationally novel in design, and it is convenient to realize.
2, use simple operation of the present utility model, RTU remote control terminal can receive driving valve and closing valve order of the long-range transmission of staff by remote wireless communication module, and realize the control rotating and reverse to AC motor by A.C. contactor group and relay group, and then can realize natural gas transport valve open or the telecontrol of closing, can in the time that occurring, accident close in time natural gas transport valve on the one hand, reduce the amount of leakage of pipeline rock gas, ensured the safety of surrounding resident; In the time that accident point is just in time very near apart from valve, also can close in time natural gas transport valve on the other hand, solve that staff is inaccessible in this case, be difficult to the problem of manual-lock natural gas transport valve.
3, the utility model is by arranging storage battery, and the direct current of storage battery output is converted to Ac by inverter, for the AC motor power supply in electric valve executing mechanism, having solved the electric valve executing mechanism being arranged on natural gas transmission pipeline does not have the problem of power electric.
4, use of the present utility model, can replace manually natural gas transport valve is closed in advance, both saves time, and can avoid again the further expansion of accident, and practical, using effect is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and it is convenient to realize, and uses simple operation, can replace manually natural gas transport valve is closed in advance, both saves time, and can avoid again the further expansion of accident, practical, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-RTU remote control terminal; 2-storage battery; 3-inverter;
4-remote wireless communication module; 5-AC motor; The 6-the first A.C. contactor;
The 7-the second A.C. contactor; 8-solid-state relay; The 9-the first auxiliary reclay;
The 10-the second auxiliary reclay; The 11-the three auxiliary reclay; 12-opening limit switch;
13-close limit switch.
Embodiment
As shown in Figure 1, the utility model comprises RTU remote control terminal 1, storage battery 2, electric valve executing mechanism and be converted to the inverter 3 of the required Ac of electric valve executing mechanism for the direct current that storage battery 2 is exported, and A.C. contactor group and relay group, on described RTU remote control terminal 1, be connected to remote wireless communication module 4, described electric valve executing mechanism inside is integrated with the AC motor 5 for driving described natural gas transport valve open or closing, described A.C. contactor group forms by the first A.C. contactor 6 for controlling AC motor 5 forwards with for controlling the second A.C. contactor 7 that AC motor 5 reverses, described relay group is by the solid-state relay 8 for control inverter 3 power on/off, for controlling the first auxiliary reclay 9 of the first A.C. contactor 6 power on/off, for controlling the second auxiliary reclay 10 of the second A.C. contactor 7 power on/off and forming for the 3rd auxiliary reclay 11 of controlling solid-state relay 8 power on/off, described RTU remote control terminal 1 and remote wireless communication module 4 all join with the output terminal of storage battery 2, described solid-state relay 8 is connected between the output terminal of storage battery 2 and the input end of inverter 3, described the 3rd auxiliary reclay 11 is connected between first output terminal and solid-state relay 8 of RTU remote control terminal 1, described the first A.C. contactor 6 and the second A.C. contactor 7 are connected in parallel between the output terminal of inverter 3 and the power end of AC motor 5, described the first auxiliary reclay 9 is connected between second output terminal and the first A.C. contactor 6 of RTU remote control terminal 1, described the second auxiliary reclay 10 is connected between the 3rd output terminal and the second A.C. contactor 7 of RTU remote control terminal 1.
As shown in Figure 1, in the present embodiment, described electric valve executing mechanism inside be integrated with the opening limit switch 12 detecting for described natural gas transport valve open is put in place and detect for described natural gas transport valve closing is put in place close limit switch 13, described opening limit switch 12 is joined with the first input end of RTU remote control terminal 1, described in close limit switch 13 and join with the second input end of RTU remote control terminal 1.The RTU remote control terminal that the model that described RTU remote control terminal 1 is produced for Beijing Econtrolnet Ltd., Co. is STC-1.Described remote wireless communication module 4 is GPRS wireless communication module, cdma wireless communication module or 3G wireless communication module.
When the utility model uses, comprise and open natural gas transport valve and close two working procedure of natural gas transport valve:
The working procedure of opening natural gas transport valve is: (1) RTU remote control terminal 1 is received out after valve order by remote wireless communication module 4, first control the 3rd auxiliary reclay 11 adhesives, controlling solid-state relay 8 by the 3rd auxiliary reclay 11 again and connect the output terminal of storage battery 2 and the input end of inverter 3, is that inverter 3 is for direct current 24V electricity by storage battery 2, (2) after inverter 3 working stabilities, RTU remote control terminal 1 is controlled the first auxiliary reclay 9 again, after the first auxiliary reclay 9 adhesives, control again the first A.C. contactor 6, after the first A.C. contactor 6 adhesives, inverter 3 starts to power for AC motor 5, AC motor 5 starts forward, drives described natural gas transport valve open, (3) after AC motor 5 forwards put in place, just drive described natural gas transport valve open to put in place, now, opening limit switch 12 has detected the signal that described natural gas transport valve open puts in place and detected signal has been exported to RTU remote control terminal 1, RTU remote control terminal 1 receives after this signal, first controlling the first auxiliary reclay 9 disconnects, the first A.C. contactor 6 disconnects, make AC motor 5 stop forward, controlling the 3rd auxiliary reclay 11 disconnects again, the 3rd auxiliary reclay 11 is controlled solid-state relay 8 and is disconnected the output terminal of storage battery 2 and the input end of inverter 3, storage battery 2 stops as inverter 3 is for direct current 24V electricity, can play like this economize on electricity effect.
The working procedure of closing natural gas transport valve is: (1) RTU remote control terminal 1 is received and closed after valve order by remote wireless communication module 4, first control the 3rd auxiliary reclay 11 adhesives, controlling solid-state relay 8 by the 3rd auxiliary reclay 11 again and connect the output terminal of storage battery 2 and the input end of inverter 3, is that inverter 3 is for direct current 24V electricity by storage battery 2, (2) after inverter 3 working stabilities, RTU remote control terminal 1 is controlled the second auxiliary reclay 10 again, after the second auxiliary reclay 10 adhesives, control again the second A.C. contactor 7, after the second A.C. contactor 7 adhesives, inverter 3 starts to power for AC motor 5, AC motor 5 starts reversion, drives described natural gas transport valve closing, (3) after AC motor 5 reversions put in place, just drive described natural gas transport valve closing to put in place, now, close the signal that limit switch 13 detected that described natural gas transport valve closing puts in place and detected signal is exported to RTU remote control terminal 1, RTU remote control terminal 1 receives after this signal, first controlling the second auxiliary reclay 10 disconnects, the second A.C. contactor 7 disconnects, make AC motor 5 stop reversion, controlling the 3rd auxiliary reclay 11 disconnects again, the 3rd auxiliary reclay 11 is controlled solid-state relay 8 and is disconnected the output terminal of storage battery 2 and the input end of inverter 3, storage battery 2 stops as inverter 3 is for direct current 24V electricity, can play like this economize on electricity effect.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. a natural gas transport valve remote switch device, it is characterized in that: comprise RTU remote control terminal (1), storage battery (2), electric valve executing mechanism and for the direct current of storage battery (2) output being converted to the inverter (3) of the required Ac of electric valve executing mechanism, and A.C. contactor group and relay group, on described RTU remote control terminal (1), be connected to remote wireless communication module (4), described electric valve executing mechanism inside is integrated with the AC motor (5) for driving described natural gas transport valve open or close, described A.C. contactor group forms by the first A.C. contactor (6) for controlling AC motor (5) forward with for the second A.C. contactor (7) of controlling AC motor (5) reversion, described relay group is by the solid-state relay (8) for control inverter (3) power on/off, be used for controlling first auxiliary reclay (9) of the first A.C. contactor (6) power on/off, be used for controlling second auxiliary reclay (10) of the second A.C. contactor (7) power on/off and form for the 3rd auxiliary reclay (11) of controlling solid-state relay (8) power on/off, described RTU remote control terminal (1) and remote wireless communication module (4) all join with the output terminal of storage battery (2), described solid-state relay (8) is connected between the output terminal of storage battery (2) and the input end of inverter (3), described the 3rd auxiliary reclay (11) is connected between first output terminal and solid-state relay (8) of RTU remote control terminal (1), described the first A.C. contactor (6) and the second A.C. contactor (7) are connected in parallel between the output terminal of inverter (3) and the power end of AC motor (5), described the first auxiliary reclay (9) is connected between second output terminal and the first A.C. contactor (6) of RTU remote control terminal (1), described the second auxiliary reclay (10) is connected between the 3rd output terminal and the second A.C. contactor (7) of RTU remote control terminal (1).
2. according to natural gas transport valve remote switch device claimed in claim 1, it is characterized in that: described electric valve executing mechanism inside be integrated with the opening limit switch (12) detecting for described natural gas transport valve open is put in place and detect for described natural gas transport valve closing is put in place close limit switch (13), the first input end of described opening limit switch (12) and RTU remote control terminal (1) joins, described in close limit switch (13) and join with the second input end of RTU remote control terminal (1).
3. according to the natural gas transport valve remote switch device described in claim 1 or 2, it is characterized in that: the RTU remote control terminal that the model that described RTU remote control terminal (1) is produced for Beijing Econtrolnet Ltd., Co. is STC-1.
4. according to the natural gas transport valve remote switch device described in claim 1 or 2, it is characterized in that: described remote wireless communication module (4) is GPRS wireless communication module, cdma wireless communication module or 3G wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077311.3U CN203703311U (en) | 2014-02-21 | 2014-02-21 | Natural gas transportation valve remote opening and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077311.3U CN203703311U (en) | 2014-02-21 | 2014-02-21 | Natural gas transportation valve remote opening and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703311U true CN203703311U (en) | 2014-07-09 |
Family
ID=51053756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420077311.3U Expired - Fee Related CN203703311U (en) | 2014-02-21 | 2014-02-21 | Natural gas transportation valve remote opening and closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701994A (en) * | 2015-04-01 | 2015-06-10 | 国家电网公司 | Remote maintenance device of uninterruptible power supply |
| CN106292440A (en) * | 2016-08-27 | 2017-01-04 | 内蒙古包钢钢联股份有限公司 | A kind of valve wireless control system |
-
2014
- 2014-02-21 CN CN201420077311.3U patent/CN203703311U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701994A (en) * | 2015-04-01 | 2015-06-10 | 国家电网公司 | Remote maintenance device of uninterruptible power supply |
| CN106292440A (en) * | 2016-08-27 | 2017-01-04 | 内蒙古包钢钢联股份有限公司 | A kind of valve wireless control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN KAIDI ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIANG YUNHUI Effective date: 20150311 Free format text: FORMER OWNER: LIU BIN Effective date: 20150311 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710075 XI'AN, SHAANXI PROVINCE TO: 710000 XI'AN, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150311 Address after: 710000 Shaanxi city of Xi'an province high tech Zone high-tech high-tech crystal city phase first buildings 1 unit 16 floor room 11601 Patentee after: Xi'an Kaidi Electronic Technology Co., Ltd. Address before: 710075 Shaanxi city of Xi'an province high tech Zone Road a high-tech crystal city first 1 unit 16 layer 11601. Patentee before: Liang Junhui Patentee before: Liu Bin |
|
| 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: 20140709 Termination date: 20210221 |