CN205001164U - Test circuit system - Google Patents
Test circuit system Download PDFInfo
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- CN205001164U CN205001164U CN201520608764.9U CN201520608764U CN205001164U CN 205001164 U CN205001164 U CN 205001164U CN 201520608764 U CN201520608764 U CN 201520608764U CN 205001164 U CN205001164 U CN 205001164U
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Abstract
The utility model discloses a test circuit system for to the collision test and the high temperature endurance test that are carried out the thermal transient by the test pump, this test circuit system contains: the cold source is supplied with return circuit subassembly and heat source and is supplied with the return circuit subassembly, respectively through pipe connection separately extremely by the test pump, the controller is respectively through circuit connection to the electrical apparatus part of being supplied with the return circuit subassembly by test pump, cold source and the electrical apparatus part that the return circuit subassembly was supplied with to the heat source. The utility model discloses have self - feedback regulation's function, experimental temperature and the time requirement of ability accurate control improves the security of operating simultaneously, with cold and hot mixing balance temperature's method, the collision test and the high temperature endurance test of realization thermal transient in same test loop system, operating method is simple and convenient.
Description
Technical field
The utility model relates to Nuclear safety related equipment verification experimental verification field, is specifically related to a kind of test loop system.
Background technique
Have in nuclear power plant the containment spray pump of nuclear safety function, low pressure safety injection pump and on fill pump under unusual service condition (as: LOCA accident), the flowing medium of conveying can by the instantaneous condition of high temperature (being not less than 120 DEG C) being switched to containment sump water of low-temperature condition (minimum temperature is generally set as 7 DEG C), that is, these pumps are not only wanted normally to run at low temperatures, also want impact and the at high temperature lasting normal operation that can bear the thermal transient of flowing medium.In order to verify whether the pump of these nuclear safe levels meets the requirement of above using function, be a kind of reliable method by test.Therefore, it is vital for designing and build a test stand that is applicable, that can simulate applying working condition for the function of good authentication above-mentioned nuclear safe level pump.
At present, both at home and abroad existing part producer (or independent experiment room) design and has built the test stand for verifying above-mentioned nuclear safe level pumping function, but test stand of the prior art simultaneously or part there is following deficiency:
(1) test function realized is single, or can only realize the shock test of thermal transient, or can only realize endurance test under high temperature condition;
(2) controllability is poor, and some test stands achieve the shock test both can carrying out thermal transient, can carry out again continuing the normal test run under high temperature, but due to modulability poor, be not easy temperature or the time requirement of Control experiment;
(3) Security is not high, and some test stands achieve the shock test can carrying out thermal transient, but process of the test when needing manual site's regulating valve could realize high temperature, make test operation there is potential safety hazard.
Model utility content
The purpose of this utility model is to provide a kind of test loop system, has the function that self-feedback regulates, and the temperature and time requirement of the accurate Control experiment of energy, improves the Security of operation simultaneously; With the method for cold and hot blending temperature of equilibrium, in same test loop system, realize shock test and the high temperature endurance test of thermal transient, operating method is easy.
In order to achieve the above object, the utility model is achieved through the following technical solutions: a kind of test loop system, and for shock test and the high temperature endurance test of being carried out thermal transient by test pump, be characterized in, this test loop system comprises:
Low-temperature receiver supply circuit assembly and thermal source supply circuit assembly, be connected to described by test pump respectively by respective pipeline; Wherein
The outflow end of described low-temperature receiver supply circuit assembly and the outflow end of thermal source supply circuit assembly are connected with the described inflow entrance by test pump respectively by pipeline;
The outflow end of described low-temperature receiver supply circuit assembly is also connected by pipeline with the inflow end of described thermal source supply circuit assembly;
Describedly to be connected by the inflow end of pipeline with described low-temperature receiver supply circuit assembly by the outflow opening of test pump;
Controller, is connected to the electric component by the electric component of test pump, low-temperature receiver supply circuit assembly and thermal source supply circuit assembly respectively by circuit.
Described low-temperature receiver supply circuit assembly comprises cold water tank, recycle pump and the first three-way valve;
The outflow opening of described cold water tank is connected by pipeline with the inflow entrance of described recycle pump;
The inflow entrance of described cold water tank is connected by pipeline with the described outflow opening by test pump;
The outflow opening of described recycle pump is connected by pipeline with the inflow entrance of described first three-way valve;
The first-class outlet of described first three-way valve is connected by pipeline with the inflow entrance of described cold water tank;
The second outlet of described first three-way valve is connected by the inflow end of pipeline and described thermal source supply circuit assembly and the described inflow entrance by test pump;
The control signal receiving terminal of the low-temperature receiver control signal receiving terminal of described cold water tank, the control signal receiving terminal of recycle pump and the first three-way valve respectively circuit is connected to controller.
Described thermal source supply circuit assembly comprises hot-water cylinder, the first gate valve and the second three-way valve;
The outflow opening of described hot-water cylinder is connected by pipeline with the inflow entrance of described first gate valve;
The inflow entrance of described hot-water cylinder is connected by pipeline with the first-class outlet of described second three-way valve;
The outflow opening of described first gate valve is connected by pipeline with the described inflow entrance by test pump;
The inflow entrance of described second three-way valve is exported with the second of described first three-way valve and is connected by pipeline;
The second outlet of described second three-way valve is connected by pipeline with the described inflow entrance by test pump;
The control signal receiving terminal of the thermal source control signal receiving terminal of described hot-water cylinder, the control signal receiving terminal of the first gate valve and the second three-way valve respectively circuit is connected to controller.
The inflow entrance of described cold water tank and be describedly provided with modulating valve by the pipeline between the outflow opening of test pump, the inflow entrance of described modulating valve is connected by pipeline with the described outflow opening by test pump, and the outflow opening of described modulating valve is connected by pipeline with the inflow entrance of described cold water tank.
Pipeline between the outflow opening of described modulating valve and the inflow entrance of described cold water tank is provided with safety check, the inflow entrance of described safety check is connected by pipeline with the outflow opening of described modulating valve, and the outflow opening of described safety check is connected by pipeline with the first-class outlet of the inflow entrance of described cold water tank, the first three-way valve.
Pipeline between the outflow opening of described modulating valve and the inflow entrance of described safety check is provided with flowmeter.
Described test loop system also comprises one second gate valve, and the outflow opening of the second described gate valve is exported with the second of described first three-way valve and is connected by pipeline; The inflow entrance of the second described gate valve is connected by pipeline with the inflow entrance of described safety check; The control signal receiving terminal circuit of the second described gate valve is connected to controller.
The outflow opening of the first described gate valve and be describedly provided with temperature transducer by the pipeline between the inflow entrance of test pump, described temperature transducer comprises a thermometer and a rapid temperature meter, and circuit is connected to described controller respectively.
A kind of test loop of the utility model system compared with prior art has the following advantages: have the function that self-feedback regulates, and the temperature and time requirement of the accurate Control experiment of energy, improves the Security of operation simultaneously; With the method for cold and hot blending temperature of equilibrium, in same test loop system, realize shock test and the high temperature endurance test of thermal transient, operating method is easy.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of test loop of the utility model system.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, a kind of test loop system, for to shock test and the high temperature endurance test of being carried out thermal transient by test pump 400, this test loop system comprises: low-temperature receiver supply circuit assembly 100 and thermal source supply circuit assembly 200, is connected to described by test pump 400 respectively by respective pipeline; The outflow end of wherein said low-temperature receiver supply circuit assembly 100 and the outflow end of thermal source supply circuit assembly 200 are connected with the described inflow entrance by test pump 400 respectively by pipeline; The outflow end of described low-temperature receiver supply circuit assembly 100 is also connected by pipeline with the inflow end of described thermal source supply circuit assembly 200; Describedly to be connected by the inflow end of pipeline with described low-temperature receiver supply circuit assembly 100 by the outflow opening of test pump 400; Controller 300, circuit is connected to the electric component by the electric component of test pump 400, low-temperature receiver supply circuit assembly 100 and thermal source supply circuit assembly 200 respectively, and in the present embodiment, controller 300 is the integrated device of a process control machine and power cabinet.
In the present embodiment, described low-temperature receiver supply circuit assembly 100 includes the cold water tank 101 of refrigeration plant, recycle pump 102 and the first three-way valve 103; The outflow opening of described cold water tank 101 is connected by pipeline with the inflow entrance of described recycle pump 102; The inflow entrance of described cold water tank 101 is connected by pipeline with the described outflow opening by test pump 400; The outflow opening of described recycle pump 102 is connected by pipeline with the inflow entrance of described first three-way valve 103; The first-class outlet of described first three-way valve 103 is connected by pipeline with the inflow entrance of described cold water tank 101; The second outlet of described first three-way valve 103 is connected by the inflow end of pipeline and described thermal source supply circuit assembly 200 and the described inflow entrance by test pump 400; The control signal receiving terminal of the low-temperature receiver control signal receiving terminal of described cold water tank 101, the control signal receiving terminal of recycle pump 102 and the first three-way valve 103 respectively circuit is connected to controller 300.
In the present embodiment, described thermal source supply circuit assembly 200 includes hot-water cylinder 201, first gate valve 202 and second three-way valve 203 of heating equipment; Described hot-water cylinder 201 outflow opening is connected by pipeline with the inflow entrance of described first gate valve 202; The inflow entrance of described hot-water cylinder 201 is connected by pipeline with the first-class outlet of described second three-way valve 203; The outflow opening of described first gate valve 202 is connected by pipeline with the described inflow entrance by test pump 400; The inflow entrance of described second three-way valve 203 is exported with the second of described first three-way valve 103 and is connected by pipeline; The second outlet of described second three-way valve 103 is connected by pipeline with the described inflow entrance by test pump 400; The control signal receiving terminal of the thermal source control signal receiving terminal of described hot-water cylinder 201, the control signal receiving terminal of the first gate valve 202 and the second three-way valve 203 respectively circuit is connected to controller 300.
In the present embodiment, controller 300 is connected to the heating equipment of hot-water cylinder 201, stores the hot water prepared in advance, for thermal shock gets out high-temperature-hot-water condition for controlling hot-water cylinder 201; Controller 300 is connected to the refrigeration plant of cold water tank 101, the cooling water that prefabricated and storage needs, for after thermal shock cooling or regulable control temperature ready, so, the power of the heating equipment of hot-water cylinder 201 and the refrigeration plant of cold water tank 101 can be too large; Hot-water cylinder 201 and cold water tank 101 are a part of expanding in hot-water return and chilled water circuit respectively, play buffering impact flow stabilization of fluidized and keep the effect of pipeline system pressure.
In the present embodiment, preferably, consult Fig. 1, the inflow entrance of described cold water tank 101 and be describedly provided with modulating valve 500 by the pipeline between the outflow opening of test pump 400, the inflow entrance of described modulating valve 500 is connected by pipeline with the described outflow opening by test pump 400, and the outflow opening of described modulating valve 500 is connected by pipeline with the inflow entrance of described cold water tank 101.
In the present embodiment, preferably, consult Fig. 1, pipeline between the outflow opening of described modulating valve 500 and the inflow entrance of described cold water tank 101 is provided with safety check 600, the inflow entrance of described safety check 600 is connected by pipeline with the outflow opening of described modulating valve 500, and the outflow opening of described safety check 600 is connected by pipeline with the first-class outlet of the inflow entrance of described cold water tank 101, the first three-way valve 103.
In the present embodiment, preferably, consult Fig. 1, the pipeline between the outflow opening of described modulating valve 500 and the inflow entrance of described safety check 600 is provided with flowmeter 700.The effect of flowmeter 700 uses when pre-setting the aperture of the modulating valve 500 after by test pump 400, by being satisfactory by the flow of test pump 400 during to ensure thermal shock and high temperature endurance test.
In the present embodiment, preferably, consult Fig. 1, also comprise one second gate valve 800, the outflow opening of the second described gate valve 800 is exported with the second of described first three-way valve 103 and is connected by pipeline; The inflow entrance of the second described gate valve 800 is connected by pipeline with the inflow entrance of described safety check 600; The control signal receiving terminal circuit of the second described gate valve 800 is connected to controller 300.
In the present embodiment, preferably, consult Fig. 1, the outflow opening of the first described gate valve 202 and be describedly provided with temperature transducer 900 by the pipeline between the inflow entrance of test pump 400, described temperature transducer 900 circuit is connected to described controller 300, preferably, temperature transducer 900 comprises thermometer 901 and a rapid temperature meter 902, concrete, thermometer 901 is platinum thermometer, and rapid temperature meter 902 is quick temperature sensor meter.Whether the water temperature that quick temperature sensor meter 902 is used for recording thermal shock reaches requirement, platinum thermometer 901 sensitivity is low, be used for the valve opening controlled above, namely the amount that cold water enters hot-water return is controlled, if use highly sensitive thermometer as the signal controlling inlet valve, the aperture of inlet valve can be caused always to be on off state, not easily to restrain, regulating time is longer, also can make to be in fluctuation status by the inlet pressure of test pump.
In conjunction with above-mentioned test loop system, the invention also discloses a kind of test method for above-mentioned test loop system, comprise following steps:
S1, controller 300 transmit control signal, and by the first-class port opening of the second port closing of the first three-way valve 103, the first three-way valve 103, start recycle pump 102, the liquid in refrigeration cold water tank 101;
S2, controller 300 transmit control signal, and the first-class port closing of the second three-way valve 203, the first gate valve 202 are closed, the liquid in heat hot water pot 201;
S3, controller 300 transmit control signal, by the second port opening of the second port opening of the first three-way valve 103, the second three-way valve 203, the temperature signal of real-time monitoring rapid temperature meter 902, to make to be cooled to default low temperature by test pump 400, wherein modulating valve 500 is in aperture of adjusting always, the low temperature wherein preset is generally 7 degrees Celsius to 10 degrees Celsius, also can set according to specific requirement;
S4, controller 300 transmit control signal, the second port closing of the first three-way valve 103, the aperture keeping the second of the second three-way valve 203 to export, the second gate valve 800 are opened, started by test pump 400, open the first gate valve 202 afterwards, open the first-class outlet of the second three-way valve 203, and monitor the temperature signal of rapid temperature meter 902 in real time, realize changing impact to by test pump 400 by the transient temperature being chilled to heat;
S5, controller 300 transmit control signal, by the first-class port closing of the second three-way valve 203, the second outlet aperture keeping the second three-way valve 203, by test pump 400 continuous running, and the temperature signal of real-time monitoring temperature meter 901, in controller 300, presetting the time of required test, realizing controlling the working time of high temperature endurance test;
If the temperature signal monitoring thermometer 901 raises, then controller 300 transmits control signal, and by the second port opening of the first three-way valve 103, regulates aperture, the liquid of cold water tank 101 is flowed out, reduce the temperature of hot-water return;
If the aperture of the second outlet of the first three-way valve 103 regulates excessive, the temperature signal monitoring thermometer 901 reduces, then controller 300 transmits control signal, the aperture that the second of the first three-way valve 103 exports is turned down, reduce the liquid outflow amount of cold water tank 101, thus the function that the self-feedback achieving circuit system regulates, quick and accurately Control experiment temperature.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (8)
1. a test loop system, for shock test and the high temperature endurance test of being carried out thermal transient by test pump, it is characterized in that, this test loop system comprises:
Low-temperature receiver supply circuit assembly and thermal source supply circuit assembly, be connected to described by test pump respectively by respective pipeline; Wherein
The outflow end of described low-temperature receiver supply circuit assembly and the outflow end of thermal source supply circuit assembly are connected with the described inflow entrance by test pump respectively by pipeline;
The outflow end of described low-temperature receiver supply circuit assembly is connected by pipeline with the inflow end of described thermal source supply circuit assembly;
Describedly to be connected by the inflow end of pipeline with described low-temperature receiver supply circuit assembly by the outflow opening of test pump;
Controller, is connected to the electric component by the electric component of test pump, low-temperature receiver supply circuit assembly and thermal source supply circuit assembly respectively by circuit.
2. test loop as claimed in claim 1 system, it is characterized in that, described low-temperature receiver supply circuit assembly comprises cold water tank, recycle pump and the first three-way valve;
The outflow opening of described cold water tank is connected by pipeline with the inflow entrance of described recycle pump;
The inflow entrance of described cold water tank is connected by pipeline with the described outflow opening by test pump;
The outflow opening of described recycle pump is connected by pipeline with the inflow entrance of described first three-way valve;
The first-class outlet of described first three-way valve is connected by pipeline with the inflow entrance of described cold water tank;
The second outlet of described first three-way valve is connected by the inflow end of pipeline and described thermal source supply circuit assembly and the described inflow entrance by test pump;
The control signal receiving terminal of the low-temperature receiver control signal receiving terminal of described cold water tank, the control signal receiving terminal of recycle pump and the first three-way valve respectively circuit is connected to controller.
3. test loop as claimed in claim 2 system, it is characterized in that, described thermal source supply circuit assembly comprises hot-water cylinder, the first gate valve and the second three-way valve;
The outflow opening of described hot-water cylinder is connected by pipeline with the inflow entrance of described first gate valve;
The inflow entrance of described hot-water cylinder is connected by pipeline with the first-class outlet of described second three-way valve;
The outflow opening of described first gate valve is connected by pipeline with the described inflow entrance by test pump;
The inflow entrance of described second three-way valve is exported with the second of described first three-way valve and is connected by pipeline;
The second outlet of described second three-way valve is connected by pipeline with the described inflow entrance by test pump;
The control signal receiving terminal of the thermal source control signal receiving terminal of described hot-water cylinder, the control signal receiving terminal of the first gate valve and the second three-way valve respectively circuit is connected to controller.
4. test loop as claimed in claim 2 system, it is characterized in that, the inflow entrance of described cold water tank and be describedly provided with modulating valve by the pipeline between the outflow opening of test pump, the inflow entrance of described modulating valve is connected by pipeline with the described outflow opening by test pump, and the outflow opening of described modulating valve is connected by pipeline with the inflow entrance of described cold water tank.
5. test loop as claimed in claim 4 system, it is characterized in that, pipeline between the outflow opening of described modulating valve and the inflow entrance of described cold water tank is provided with safety check, the inflow entrance of described safety check is connected by pipeline with the outflow opening of described modulating valve, and the outflow opening of described safety check is connected by pipeline with the first-class outlet of the inflow entrance of described cold water tank, the first three-way valve.
6. test loop as claimed in claim 5 system, is characterized in that, the pipeline between the outflow opening of described modulating valve and the inflow entrance of described safety check is provided with flowmeter.
7. test loop as claimed in claim 5 system, it is characterized in that, comprise one second gate valve further, the outflow opening of the second described gate valve is exported with the second of described first three-way valve and is connected by pipeline; The inflow entrance of the second described gate valve is connected by pipeline with the inflow entrance of described safety check; The control signal receiving terminal circuit of the second described gate valve is connected to controller.
8. test loop as claimed in claim 3 system, it is characterized in that, the outflow opening of the first described gate valve and be describedly provided with temperature transducer by the pipeline between the inflow entrance of test pump, described temperature transducer comprises a thermometer and a rapid temperature meter, and circuit is connected to described controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520608764.9U CN205001164U (en) | 2015-08-13 | 2015-08-13 | Test circuit system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520608764.9U CN205001164U (en) | 2015-08-13 | 2015-08-13 | Test circuit system |
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| CN205001164U true CN205001164U (en) | 2016-01-27 |
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| CN201520608764.9U Active CN205001164U (en) | 2015-08-13 | 2015-08-13 | Test circuit system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179222A (en) * | 2015-08-13 | 2015-12-23 | 上海电气凯士比核电泵阀有限公司 | Loop testing system and method thereof |
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2015
- 2015-08-13 CN CN201520608764.9U patent/CN205001164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179222A (en) * | 2015-08-13 | 2015-12-23 | 上海电气凯士比核电泵阀有限公司 | Loop testing system and method thereof |
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