CN202533245U - Solenoid valve water hammer test testing machine - Google Patents
Solenoid valve water hammer test testing machine Download PDFInfo
- Publication number
- CN202533245U CN202533245U CN2012200735146U CN201220073514U CN202533245U CN 202533245 U CN202533245 U CN 202533245U CN 2012200735146 U CN2012200735146 U CN 2012200735146U CN 201220073514 U CN201220073514 U CN 201220073514U CN 202533245 U CN202533245 U CN 202533245U
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- water
- pressure
- solenoid valve
- water hammer
- valve
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- Expired - Fee Related
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Abstract
The utility model discloses a solenoid valve water hammer test testing machine. The solenoid valve water hammer test testing machine comprises a pressure stabilizing container, a high-pressure water pump, solenoid valves, and sensors. Water outlet pipelines and water inlet pipelines are connected to the pressure stabilizing container, the water inlet pipelines and the water outlet pipelines are connected to the high-pressure water pump separately so as to control the volume of the liquid in the pressure stabilizing container, and the solenoid valves are connected between the water inlet pipeline and the high-pressure water pump. Water is fed into a large enough pressure stabilizing container through the high-pressure pump so as to ensure that the water pressure is constant in the whole process of water inflow and water outflow, the constant water pressure is outputted to the solenoid valves through the simulated pipelines, a valve is closed through rapid switch-on and switch-off signals so as to form water hammer conditions, such a testing machine can be used to provide a continuous and stable pressure source, the pressure source will not be affected by the switch-on and switch-off of the valve, so reliable basis is provided for water hammer simulation tests.
Description
Technical field
The utility model relates to the solenoid valve testing apparatus, says so exactly to be used for the testing equipment of solenoid valve water hammer test.
Background technology
Valve can produce water hammer when closing suddenly or having a power failure.Water hammer is to have a power failure suddenly or when valve closing is too fast, because the inertia of pressure flow produces the water impact ripple, beaing as hammer, so be water hammer.The power that the water impact ripple produces back and forth, very big sometimes, thus destroy valve and water pump.Based on this destructive power, the applying working condition of actual valve is simulated and when detecting valve closing and opening by a whole set of system of framework, and the size of water hammer pressure is for whole using system from now on provides detailed reference data.
Existing solenoid valve water hammer testing experiment machine directly adopts electrodynamic pump as pressure source, and the generation of water hammer is simulated in the opening and closing of employing valve.
Because the flow of electrodynamic pump is limited, in process of the test, when the test valve open, system pressure can descend moment, and the impulsive force of generation is not enough, does not reach test objective.
Summary of the invention
Therefore; For addressing the above problem, the purpose of the utility model provides a kind of solenoid valve water hammer testing experiment machine, this testing machine can provide lasting, pressure stable source; Pressure source can be not influenced because of the switch of valve, for the simulation test of water hammer provides reliable foundation.
Another purpose of the utility model is to provide a kind of solenoid valve water hammer testing experiment machine; The force value that this testing machine can provide the pressure-detecting device of high-speed switch signal and high frequency to catch valve switch moment is a water hammer pressure, makes test result accurately and reliably.
Another purpose of the utility model provides a kind of solenoid valve water hammer testing experiment machine, and this testing machine structure is reliable and stable, is convenient to test, and with low cost, is convenient to implement.
For achieving the above object, the scheme that the utility model is taked is following.
A kind of solenoid valve water hammer testing experiment machine; It includes pressurizing vessel, high-pressure hydraulic pump, solenoid valve and sensor; Pressurizing vessel is connected with outlet conduit and water inlet pipe, and water inlet pipe and outlet conduit are connected to high-pressure hydraulic pump, so that the capacity of liquid in the control pressurizing vessel; Solenoid valve is connected between water inlet pipe and the high-pressure hydraulic pump, with the He Jiashui that draws water of control high-pressure hydraulic pump, is convenient to simultaneously solenoid valve is detected.Through high-pressure pump hydraulic pressure is advanced in the enough big pressurizing vessel, pressurizing vessel has water and air pressure double action, guarantees when having water to advance or going out whole water pressure invariableness; Constant hydraulic pressure exports solenoid valve to through the pipeline of simulation; Signal through high-speed switch; Make valve closing form the water hammer condition; Testing machine can provide lasting, pressure stable source like this, and pressure source can be not influenced because of the switch of valve, for the simulation test of water hammer provides reliable foundation.
Said outlet conduit and water inlet pipe have a plurality ofly, and different outlet conduits and water inlet pipe have different calibers, to simulate different test situation.
Said testing machine also includes heating arrangement, and said heating arrangement is arranged at the bottom of pressurizing vessel, so that the water in the pressurizing vessel is heated.
Said testing machine also includes heating arrangement, and said heating arrangement is arranged at the inner below of pressurizing vessel, so that the water in the pressurizing vessel is heated.
Said high-pressure hydraulic pump, it is connected with frequency converter, through the drawing water and add the power of water of Frequency Converter Control high-pressure hydraulic pump, to reach the balance of hydraulic pressure fast.
On the said pressurizing vessel, be provided with pressure transducer and temperature sensor, the situation with the monitoring pressurizing vessel reaches pressure equilibrium.
The beneficial effect that adopts such scheme to produce is: output pressure is stable, can not cause that the influence of fluctuations of pressure source detects effect because the pipe network scale of testing ground is less, can be than the actual applying working condition of real simulated.
And the force value that this testing machine can provide the pressure-detecting device of high-speed switch signal and high frequency to catch valve switch moment is a water hammer pressure, makes test result accurately and reliably.
Simultaneously, this testing machine structure is reliable and stable, is convenient to test, and with low cost, is convenient to implement.
Description of drawings
The structural representation that Fig. 1 implements for the utility model.
Among the figure, 1 is the test specimen case, and 2 is tank, and 3 is tested valve, and 4 are the simulation pipeline; 5 is filtrator, and 6 is high-pressure pump, and 7 is the high-pressure pump sensor, and 8 is the high-pressure pump safety valve, and 9 is the high-pressure pump solenoid valve; 10 is retaining valve, and 11 is pressurizing vessel, and 12 is air lift pump, and 13 is the pressurizing vessel safety valve, and 14 is pressure transducer; 15 is the pressurizing vessel solenoid valve, and 16 is fluid level controller, and 17 is well heater, and 18 is high frequency sensors, and 19 is temperature sensor.
Embodiment
Shown in accompanying drawing, the practical implementation of the utility model is elaborated.
As shown in Figure 1, be provided with tested valve 3 in the test specimen case 1, the bottom of test specimen case 1 has tank 2.Simulation pipeline 4 connects tested valve 3, and the other end of simulation pipeline 4 then is connected on the pressurizing vessel 11.
Between tested valve 3 and simulation pipeline 4, be provided with high frequency sensors 18, this high frequency sensors 18 is positioned at the water inlet end of tested valve 3, is used to gather the pressure size.Have temperature sensor 19 in the tank 2, temperature sensor is installed in the endpiece of tested valve.Tank 2 connects high-pressure pump 6, and between tank 2 and high-pressure pump 6, is provided with filtrator 5.
High-pressure pump 6 is connected with high-pressure pump sensor 7, high-pressure pump safety valve 8 and high-pressure pump solenoid valve 9 simultaneously.High-pressure pump 6 is connected pressurizing vessel 11 through retaining valve 10, makes the water in the pressurizing vessel 11 can only unidirectionally flow to high-pressure pump 6 one ends from the bottom of pressurizing vessel 11.
Pressurizing vessel 11 is connected to simulation pipeline 4, and the top of its pressurizing vessel 11 has fluid level controller 16, with the water level in the control pressurizing vessel 11; Simultaneously, pressurizing vessel 11 tops also are provided with air lift pump 12, pressurizing vessel safety valve 13 and pressure transducer 14, wherein, also are provided with pressurizing vessel solenoid valve 15 between air lift pump 12 and the pressurizing vessel 11.
The bottom of pressurizing vessel 11 has well heater 17, so that the water in the pressurizing vessel 11 is heated.
Connect high-pressure pump solenoid valve 9, the high-speed switch signal is connected on the electromagnet of high-pressure pump solenoid valve 9; Just open high-pressure hydraulic pump 6, add water toward pressurizing vessel 11 the insides, after liquid level sensor 16 detected water level and reaches low level, 17 pairs of water of heater heated; After liquid level sensor 16 sensed water level reach most significant digit, open high-pressure pump solenoid valve 9, Frequency Converter Control high-pressure pump 6 delivery rates reduce; Water begins circulation, if when water level is reduced to low-water level in the cyclic process, the Frequency Converter Control motor speed is accelerated; Supplementing water to pressurizing vessel 11 inside; After temperature sensor 19 detects temperature and reaches settings, open air lift pumps 12 through pressurizing vessel solenoid valve 15, pressure transducer 14 detects and stops pressurization after pressurizing vessel 11 internal gas pressure pressure arrive setting value; After system pressure, temperature all are stabilized in a constant value; Switch electromagnetic valve, through the force value that moment the produced size that high frequency sensors 18 is gathered electromagnetic valve switch, promptly water hammer pressure is big or small.
The utility model advances hydraulic pressure in the enough big pressurizing vessel through high-pressure pump, and pressurizing vessel 11 has water and air pressure double action, guarantees when having water to advance or going out whole water pressure invariableness; Constant hydraulic pressure exports solenoid valve to through simulation pipeline 4 (length, diameter and wall thickness, bending radius etc. are according to relevant standard setting); The 24V voltage signal of a high-speed switch exports solenoid valve to, thereby makes valve closing form the water hammer condition; The pressure transducer of one cover high frequency is installed in the water inlet end of tested valve, is used to gather the pressure size; Endpiece, heating arrangement that one sleeving temperature sensor is installed in tested valve are placed in water tank inside, and water constantly circulates through high-pressure pump, and the temperature stabilization that guarantees system is at 90 ℃.
In a word; The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model, any modification of being done within all spirit at the utility model and the principle, be equal to and replace and improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. a solenoid valve water hammer testing experiment machine is characterized in that said testing machine includes pressurizing vessel, high-pressure hydraulic pump, solenoid valve and sensor, and pressurizing vessel is connected with outlet conduit and water inlet pipe, and water inlet pipe and outlet conduit are connected to high-pressure hydraulic pump; Solenoid valve is connected between water inlet pipe and the high-pressure hydraulic pump.
2. solenoid valve water hammer testing experiment machine as claimed in claim 1 is characterized in that said outlet conduit and water inlet pipe, has a plurality ofly, and different outlet conduits and water inlet pipe have different calibers.
3.
.Solenoid valve water hammer testing experiment machine as claimed in claim 1 is characterized in that said testing machine, also includes heating arrangement, and said heating arrangement is arranged at the bottom of pressurizing vessel.
4.
.Solenoid valve water hammer testing experiment machine as claimed in claim 1 is characterized in that said testing machine, also includes heating arrangement, and said heating arrangement is arranged at the inner below of pressurizing vessel.
5.
.Solenoid valve water hammer testing experiment machine as claimed in claim 1 is characterized in that said high-pressure hydraulic pump, and it is connected with frequency converter.
6. solenoid valve water hammer testing experiment machine as claimed in claim 1 is characterized in that being provided with pressure transducer and temperature sensor on the said pressurizing vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200735146U CN202533245U (en) | 2012-03-01 | 2012-03-01 | Solenoid valve water hammer test testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200735146U CN202533245U (en) | 2012-03-01 | 2012-03-01 | Solenoid valve water hammer test testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533245U true CN202533245U (en) | 2012-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200735146U Expired - Fee Related CN202533245U (en) | 2012-03-01 | 2012-03-01 | Solenoid valve water hammer test testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202533245U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019954A (en) * | 2014-06-18 | 2014-09-03 | 深圳市沃泰克环保设备有限公司 | Water hammer test device for detecting impact resistance of stainless steel water pots |
| CN105571794A (en) * | 2016-03-17 | 2016-05-11 | 余姚市三力信电磁阀有限公司 | High pressure electromagnetic valve detection system |
| CN109612668A (en) * | 2017-09-30 | 2019-04-12 | 宁波方太厨具有限公司 | A kind of water hammer test macro and test method |
| CN110631802A (en) * | 2019-09-29 | 2019-12-31 | 浙江海洋大学 | Torsion bar type mechanical acquisition instrument |
-
2012
- 2012-03-01 CN CN2012200735146U patent/CN202533245U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019954A (en) * | 2014-06-18 | 2014-09-03 | 深圳市沃泰克环保设备有限公司 | Water hammer test device for detecting impact resistance of stainless steel water pots |
| CN105571794A (en) * | 2016-03-17 | 2016-05-11 | 余姚市三力信电磁阀有限公司 | High pressure electromagnetic valve detection system |
| CN105571794B (en) * | 2016-03-17 | 2018-09-18 | 余姚市三力信电磁阀有限公司 | A kind of method of safe detection high-pressure solenoid valve |
| CN109612668A (en) * | 2017-09-30 | 2019-04-12 | 宁波方太厨具有限公司 | A kind of water hammer test macro and test method |
| CN110631802A (en) * | 2019-09-29 | 2019-12-31 | 浙江海洋大学 | Torsion bar type mechanical acquisition instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20190301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |