CN204286725U - The online signal detecting equipment of gate valve - Google Patents
The online signal detecting equipment of gate valve Download PDFInfo
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- CN204286725U CN204286725U CN201420823232.2U CN201420823232U CN204286725U CN 204286725 U CN204286725 U CN 204286725U CN 201420823232 U CN201420823232 U CN 201420823232U CN 204286725 U CN204286725 U CN 204286725U
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Abstract
The online signal detecting equipment of a kind of gate valve, it comprises PLC control system module, human-computer interface module, pressure adjusting module, power plant module, water tank, two pressure detection modules, flow detection module, accumulators.Wherein water tank, power plant module, pressure adjusting module, flow detection module, accumulator are interconnected between two by pipeline; PLC control system module is connected with power plant module, two pressure detection modules, flow detection module, man-machine interfaces respectively by circuit.The utility model effectively overcomes in petrochemical complex, particularly in nuclear power field for detecting the general not high problem of gate valve equipment precision, moreover, the features such as the checkout equipment that the utility model provides also has efficiently relative to other like product on market, practicality, low cost, effectively can reduce the time that technician detects, the accuracy rate of very high degree of precision can be ensured again simultaneously.
Description
Technical field
The utility model relates to the online signal detecting equipment of a kind of signal detecting equipment, particularly a kind of gate valve.
Background technology
Current China rapid economic development, petrochemical complex, thermoelectricity are widely used, and nuclear power also starts fast development.These industries require high to production security, slightly careless and inadvertent, may just cause huge potential safety hazard, cause catastrophic consequence.Gate valve is equipment indispensable in these industries, but test before only having experiment table to dispatch from the factory to the gate valve for petrochemical complex, nuclear power, thermoelectricity pipeline at home at present, online slip test is not carried out to the pipe system of the industries such as petrochemical complex, thermoelectricity, nuclear power and gate valve, also lack equipment go into operation before and concrete data that after overhaul, pipeline gate valve leaks, there is the security incident risk that leakage pollution and leakage cause.High precision needed for these industries that cannot meet other signal detecting equipment simultaneously on market again detect, efficient, practical requirement, cannot ensure the safety in production requirement of these industries.
Utility model content
In order to solve the problem, the utility model provides a kind of gate valve online signal detecting equipment, and it comprises PLC control system module, human-computer interface module, pressure adjusting module, power plant module, water tank, two pressure detection modules, flow detection module, accumulators.Wherein water tank, power plant module, pressure adjusting module, flow detection module, accumulator are interconnected between two by pipeline; In two pressure detection modules, one end of a pressure detection module is connected by pipeline with flow detection module, and one end is connected with system under test (SUT) by pipeline in addition, and another one pressure detection module is connected by pipeline with accumulator; PLC control system is connected with power plant module, two pressure detection modules, flow detection module, human-computer interface module respectively by circuit.
The pipeline that above-mentioned power plant module side is connected with accumulator is provided with ball valve, retaining valve.Ball valve act as the break-make controlling water; Retaining valve act as and prevents external system pressure bounce-back, causes damage to power plant module.
Above-mentioned human-computer interface module is used for system information display and Systematical control.
The water of water tank is squeezed in device systems by above-mentioned power plant module.
Above-mentioned pressure adjusting module comprises throttling valve and safety valve, is carried out the water of controlling water kick recovery tank, thus reach the object of adjustment external system pressure by adjustment throttle orifice aperture; Safety valve act as when system pressure exceedes setting value from this valve overflow, to guarantee security of system.
Skin flesh containing inflation in above-mentioned accumulator, when power plant module is suppressed to device systems, skin flesh pressurized shrinks, and stores certain pressure.After system pressure reaches set pressure, PLC control system module controls power plant module and quits work, and now skin flesh by compression outwards expands, and provides pressure, to keep device systems pressure to device systems.
Above-mentioned flow detection module comprises flowmeter and electrical ball valve, and described flow counts small-range flowmeter, to measure the flow flowing to system under test (SUT).Electrical ball valve comprises again ball valve and electric actuator.When leakage rate exceedes setting value, control ball valve by PLC control system module and open, to protect flowmeter.
Containing pressure transducer in above-mentioned two pressure detection modules, be respectively used to monitor the pressure change of skin flesh in accumulator and system under test (SUT) front end.
Principle of work of the present utility model is: after starting outfit, and first the gas in device systems pipeline discharge by system, then adjusts modular pressure, to reach required test pressure.After reaching required test pressure, PLC control system controls power plant module and quits work, now by accumulator for device systems provides pressure to ensure, flow detection module detects and flows into the fluid flow be detected in system.Simultaneously, the data detected are passed to PLC control system module by flow detection module, if the error rate detected is less than the error rate preset, calculate error rate by PLC control system, if the error rate detected is greater than the error rate preset, is calculated according to the algorithm preset in system by PLC control system, draw error rate.
The online signal detecting equipment of a kind of gate valve that the utility model provides, effectively overcome in petrochemical complex, particularly in nuclear power field for detecting the general not high problem of gate valve equipment precision, moreover, the features such as the checkout equipment that the utility model provides also has efficiently relative to other like product on market, practicality, low cost, effectively can reduce the time that technician detects, the accuracy rate of very high degree of precision can be ensured again simultaneously.
Accompanying drawing explanation
Fig. 1 is device systems block diagram of the present utility model;
Fig. 2 is the part-structure schematic diagram of the utility model equipment specific embodiment;
In Fig. 2,1 is threephase asynchronous machine; 2 is high-pressure plunger pump; 3 is safety valve; 4 is throttling valve; 5 is ball valve; 6 is retaining valve; 7 is ball valve; 8 is accumulator; 9 is electrical ball valve, comprising ball valve and electric actuator; 10 is small-range flowmeter; 11 is pressure unit; 12 is rapid-acting coupling; 13 is off-load ball valve; 14 is liquid level sensor; 15 is water tank respirator; 16 is priming valve; 17 is drainage ball valve; 18 is water tank; 19 is ball valve; 20 is tensimeter.
Embodiment
In order to better set forth the utility model, elaborate below in conjunction with accompanying drawing.
As shown in Figure 1, the online signal detecting equipment of a kind of gate valve that the utility model provides, comprises PLC control system module, human-computer interface module, pressure adjusting module, power plant module, water tank, two pressure detection modules, flow detection module, accumulators.Wherein water tank, power plant module, pressure adjusting module, flow detection module, accumulator are interconnected between two by pipeline; In two pressure detection modules, one end of a pressure detection module is connected by pipeline with flow detection module, and one end is connected with system under test (SUT) by pipeline in addition, and another one pressure detection module is connected by circuit with accumulator; PLC control system module is connected with power plant module, two pressure detection modules, flow detection module, man-machine interfaces respectively by circuit.
The pipeline that above-mentioned power plant module side is connected with accumulator be provided with ball valve 5,7, retaining valve 6.The controlled pressure that act as of ball valve 5,7 makes current direction system; Retaining valve 6 act as and prevents external system pressure bounce-back, causes damage to power plant module.
Above-mentioned power plant module comprises threephase asynchronous machine 1, high-pressure plunger pump 2, and it act as squeezes into the water of water tank 18 in device systems.
Above-mentioned pressure adjusting module comprises throttling valve 4 and safety valve 3, is carried out the water of controlling water kick recovery tank by adjustment throttling valve 4 mouthfuls of apertures, thus reaches the object of adjustment external system pressure; Safety valve 3 act as when system pressure exceedes setting value from this valve overflow, to guarantee security of system.
Skin flesh containing inflation in above-mentioned accumulator 8, when power plant module is suppressed to device systems, skin flesh pressurized shrinks, and stores certain pressure.After system pressure reaches set pressure, PLC control system module controls power plant module and quits work, and now skin flesh by compression outwards expands, and provides pressure, to keep device systems pressure to device systems.
Above-mentioned flow detection module comprises flowmeter 10 and electrical ball valve 9, and described flowmeter 10 is high precision flow, to measure the flow flowing to system under test (SUT).Electrical ball valve comprises again ball valve and electric actuator.When leakage rate exceedes setting value, control ball valve 9 by PLC control system module and open, by-path turn-on, to protect flowmeter 10.
Containing pressure transducer 11 in above-mentioned two pressure detection modules, be respectively used to monitor the pressure change of skin flesh in accumulator and system under test (SUT) front end.
In Fig. 2, throttling valve 13 coordinates adjustment System pressure together with throttling valve 4, opens and allow system pressure let out recovery tank after test terminates; 14 play monitoring water tank liquid level for liquid level sensor.
Above-mentioned specific embodiment is just to specific descriptions of the present utility model, and further restriction of the present utility model of should not opposing, those skilled in the art are under technical solutions of the utility model, and the unsubstantiality of making improves and all should fall in the utility model protection domain.
Claims (5)
1. the online signal detecting equipment of gate valve, it is characterized in that: described checkout equipment comprises PLC control system module, human-computer interface module, pressure adjusting module, power plant module, water tank, two pressure detection modules, flow detection module, accumulators, and wherein water tank, power plant module, pressure adjusting module, flow detection module, accumulator are interconnected between two by pipeline; In two pressure detection modules, one end of a pressure detection module is connected by pipeline with flow detection module, and one end is connected with system under test (SUT) by pipeline in addition, and another one pressure detection module is connected by pipeline with accumulator; PLC control module is connected with power plant module, two pressure detection modules, flow detection module, man-machine interfaces respectively by circuit.
2. the online signal detecting equipment of a kind of gate valve as claimed in claim 1, is characterized in that: described pressure adjusting module comprises throttling valve and safety valve.
3. the online signal detecting equipment of a kind of gate valve as claimed in claim 1, is characterized in that: the skin flesh containing inflation in described accumulator.
4. the online signal detecting equipment of a kind of gate valve as claimed in claim 1, is characterized in that: the pipeline that described power plant module side is connected with accumulator is provided with ball valve, retaining valve.
5. the online signal detecting equipment of a kind of gate valve as claimed in claim 1, is characterized in that: described flow detection module comprises flowmeter and electrical ball valve, and wherein electrical ball valve comprises again ball valve and electric actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823232.2U CN204286725U (en) | 2014-12-23 | 2014-12-23 | The online signal detecting equipment of gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823232.2U CN204286725U (en) | 2014-12-23 | 2014-12-23 | The online signal detecting equipment of gate valve |
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| Publication Number | Publication Date |
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| CN204286725U true CN204286725U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420823232.2U Active CN204286725U (en) | 2014-12-23 | 2014-12-23 | The online signal detecting equipment of gate valve |
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| CN (1) | CN204286725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483078A (en) * | 2014-12-23 | 2015-04-01 | 福州德寰流体技术有限公司 | Gate valve online hydraulic detection equipment |
-
2014
- 2014-12-23 CN CN201420823232.2U patent/CN204286725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483078A (en) * | 2014-12-23 | 2015-04-01 | 福州德寰流体技术有限公司 | Gate valve online hydraulic detection equipment |
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