CN201637566U - Pressure regulating characteristic testing system for pressure reducing valve - Google Patents
Pressure regulating characteristic testing system for pressure reducing valve Download PDFInfo
- Publication number
- CN201637566U CN201637566U CN2010200469596U CN201020046959U CN201637566U CN 201637566 U CN201637566 U CN 201637566U CN 2010200469596 U CN2010200469596 U CN 2010200469596U CN 201020046959 U CN201020046959 U CN 201020046959U CN 201637566 U CN201637566 U CN 201637566U
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- valve
- water inlet
- water
- reduction valve
- testing
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Abstract
The utility model relates to a pressure regulating characteristic testing system for a pressure reducing valve, which comprises a circulating water tank, a water pump and a testing unit. A water outlet of the circulating water tank is connected with a water inlet of the testing unit by a water inlet pipe, the water outlet of the testing unit is connected with the water inlet of the circulating water tank by a water outlet pipe, and the water pump is arranged on the water inlet pipe. A stop valve A, a flow rate regulating device and a flow rate meter A are sequentially arranged on the water outlet pipe; the testing unit comprises a testing pipeline, and an installation interface used for connecting the pressure reducing valve to be tested is arranged on the testing pipeline. With compact structure, reasonable layout, convenient operation, precise control and high working efficiency, the pressure regulating characteristic testing system is designed for the pressure regulating characteristic testing of the pressure reducing valve and adapts to the testing of the pressure reducing valves with different drift diameter.
Description
Technical field
The utility model relates to the test macro of valve, relates in particular to a kind of test macro that can test the voltage adjustment characteristic of reduction valve.
Background technology
Reduction valve all needed through strict performance test before dispatching from the factory, the reduction valve product that only reaches the standard of the dispatching from the factory sale of can dispatching from the factory.At present, most reduction valve manufacturing enterprises is lower to the test accuracy rate of the voltage adjustment characteristic of reduction valve, and, when testing, adopt a test pipeline usually, once be merely able to an a kind of reduction valve of model is tested, need finish the test of a plurality of reduction valve through loading and unloading repeatedly, test process is mainly by manual control, and mainly by manual record, testing efficiency is also lower for test result.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of reduction valve voltage adjustment characteristic test macro, this test macro can be simultaneously to a plurality of reduction valve or respectively the voltage adjustment characteristic of the reduction valve of different latus rectums is tested, two-stage control by Programmable Logic Controller and industrial computer has improved the work efficiency and the accuracy of test effectively.
The technical scheme that the utility model adopted: a kind of reduction valve voltage adjustment characteristic test macro, it comprises cyclic water tank, water pump and test cell, the water delivering orifice of described cyclic water tank connects the water inlet of described test cell by water inlet pipe, the water delivering orifice of described test cell connects the water inlet of described cyclic water tank by rising pipe, described water pump is arranged on the described water inlet pipe, be provided with stop valve A on the described rising pipe successively, flow regulator and flowmeter A, described test cell comprises testing conduit, and described testing conduit is provided with the mounting interface that is used to insert tested reduction valve.
Described flow regulator can be the damping hole of 1.6mm.
Can be provided with on the described rising pipe and described stop valve A, flow regulator and flowmeter A exit branch in parallel, the water inlet end of described exit branch can be connected on the water delivering orifice and the described rising pipe between the described stop valve A of described test cell, the water side can be connected on the described rising pipe between the water inlet of described flowmeter A and described cyclic water tank, can be provided with stop valve B, throttling valve and flowmeter B on the described exit branch.
Can be provided with the pressure transducer A and the pressure transducer B that lay respectively at described mounting interface both sides on the described testing conduit.
The quantity of described testing conduit can be for one or more, described a plurality of testing conduit parallel connections.
The mounting interface of described a plurality of testing conduits can adopt same structure or different structure.
Can be in series with supply valve and pressure regulator valve successively on the described water inlet pipe, described supply valve and pressure regulator valve are between described water pump and described test cell.
Can be connected with the voltage stabilizing arm between described water inlet pipe and the rising pipe, the water inlet end of described voltage stabilizing arm can be connected on the described water inlet pipe between described water pump and the described supply valve, the water side can be connected on the described rising pipe between the water inlet of described flowmeter A and described cyclic water tank, can be provided with pressure transducer C and surplus valve on the described voltage stabilizing arm, wherein said pressure transducer C is arranged on the water inlet end pipeline of described surplus valve.
Can be respectively equipped with water outlet stop valve and water inlet stop valve on the outlet conduit of described cyclic water tank and the inlet channel.
Described reduction valve voltage adjustment characteristic test macro can also comprise Programmable Logic Controller and industrial computer, be electrically connected between described Programmable Logic Controller and the described industrial computer, described Programmable Logic Controller can connect described supply valve by control circuit, surplus valve, pressure regulator valve and each stop valve, can be by signal transfering circuit connection traffic meter and each pressure transducer, described Programmable Logic Controller can be provided with the load module that can import various parameters, show and the state of storage test process and the display module and the memory module of test result, and the alarm module that shows various malfunctions.
The beneficial effect that the utility model obtained: the utility model is to design whole system compact conformation, rationally distributed at the voltage adjustment characteristic test of reduction valve; Adopt the two stage control system of Programmable Logic Controller and industrial computer to control, easy to operate, control accurately, high efficiency; The design of a plurality of testing conduits of test cell make test macro can be simultaneously to a plurality of reduction valve or respectively the reduction valve of different latus rectums is tested, test result is accurate, has improved testing efficiency effectively.
Description of drawings
Fig. 1 is a systematic schematic diagram of the present utility model.
Embodiment
Referring to Fig. 1, the utility model provides a kind of reduction valve voltage adjustment characteristic test macro, it comprises cyclic water tank 1, water pump 3 and test cell, the water delivering orifice of described cyclic water tank connects the water inlet of described test cell by water inlet pipe, for described test cell provides the test medium, the water delivering orifice of described test cell connects the water inlet of described cyclic water tank by rising pipe, test can be recycled in described reduction valve voltage adjustment characteristic test macro with medium, described water pump is arranged on the described water inlet pipe, water flow for the described water pump of convenient control, described water pump can be furnished with frequency converter, described test cell comprises testing conduit, described testing conduit is provided with the mounting interface that is used to insert tested reduction valve 12, and described tested reduction valve can insert described detection loop by described mounting interface and carry out the test of reduction valve voltage adjustment characteristic.The water delivering orifice of described cyclic water tank and water inlet can be respectively equipped with stop valve 2, with convenient the water outlet and the backwater of described cyclic water tank are controlled.
Can stop described rising pipe when the test at any time to described cyclic water tank backwater and can monitor rate-of flow in the described rising pipe at any time for convenient, can be provided with stop valve A4, flow regulator 5 and flowmeter A6 successively on the described rising pipe, described stop valve A, flow regulator and flowmeter are between the water inlet of the water delivering orifice of described test cell and described cyclic water tank, and described flow regulator is preferably the damping hole of 1.6mm.
Can be provided with on the described rising pipe and described stop valve A, flow regulator and flowmeter A exit branch in parallel, one end (water inlet end) of described exit branch can be connected on the water delivering orifice and the described rising pipe between the described stop valve A of described test cell, the other end (water side) can be connected on the described rising pipe between the water inlet of described flowmeter A and described cyclic water tank, can be provided with stop valve B7, throttling valve 8 and flowmeter B9 on the described exit branch.
Can gather the force value at described test cell two ends at any time during for convenient test, can be provided with the pressure transducer A10 and the pressure transducer B11 that lay respectively at described mounting interface both sides on the described testing conduit.
The quantity of described testing conduit can be set to one, also can be set to a plurality of, when the quantity of described testing conduit is set to when a plurality of, described a plurality of testing conduit parallel connection, the mounting interface of described a plurality of testing conduits can adopt and be respectively the mounting interface that is used to insert the mounting interface of identical reduction valve or is used to insert different latus rectum reduction valve, the structure that is these mounting interfaces can be identical, also can be different, perhaps part is identical, part is different, adopt the described testing conduit of this kind design, can test or respectively the tested reduction valve of different latus rectums be tested a plurality of described tested reduction valve simultaneously.Can also be respectively equipped with stop valve on the described testing conduit at described tested reduction valve two ends, when not connecting described tested reduction valve on certain described testing conduit or do not need certain described tested reduction valve on the described testing conduit to test, the stop valve that can close the above tested reduction valve two ends of corresponding described testing conduit.
Can be provided with supply valve 13 and pressure regulator valve 14 successively on the described water inlet pipe, described supply valve and pressure regulator valve are between described water pump and described test cell, can control whether allowing test to enter described test cell by described supply valve with medium, can regulate the pressure of the medium in the described water inlet pipe that enters described test cell by described pressure regulator valve, make pressure medium reach the standard value of test request.
For preventing that described water pump from causing too high pressure at the front end of described water inlet pipe, be unsuitable for tested reduction valve is tested, can be connected with the voltage stabilizing arm between described water inlet pipe and the rising pipe, one end (water inlet end) of described voltage stabilizing arm can be connected on the described water inlet pipe between described water pump and the described supply valve, the other end (water side) can be connected on the described rising pipe between the water inlet of described flowmeter A and described cyclic water tank, can be provided with pressure transducer C15 and surplus valve 16 on the described voltage stabilizing arm, wherein said pressure transducer C is arranged on the inlet channel of described surplus valve.When the forefront pressure of the described water inlet pipe that monitors by described pressure transducer C is too high, can open the described surplus valve on the described arm, make the unnecessary rate-of flow in the described water inlet pipe return described cyclic water tank by described arm, the intake pressure that guarantees described surplus valve meets testing standard, and the pressure in the promptly described water inlet pipe meets testing standard.
Described reduction valve voltage adjustment characteristic test macro can also comprise Programmable Logic Controller and industrial computer, to reach handled easily, the purpose of accurate control, be electrically connected between described Programmable Logic Controller and the described industrial computer, described Programmable Logic Controller can connect described supply valve by control circuit, surplus valve, pressure regulator valve and each stop valve, can be by signal transfering circuit connection traffic meter and each pressure transducer, monitor to the control of each controlled valve in the test macro with to the signal of each sensor and flowmeter with convenient, described Programmable Logic Controller can be provided with the load module that can import various parameters, show and the state of storage test process and the display module and the memory module of test result, and the alarm module that shows various malfunctions, two-stage control by described industrial computer and described Programmable Logic Controller, make that the operator can easily the operational testing system, more intuitive facilities for observation state and test result, make the control of test macro more accurately, improved the work efficiency of test macro greatly.
The test of reduction valve voltage adjustment characteristic comprises reduction valve pressure drop test bias, the minimum top hole pressure test of reduction valve and the test of reduction valve top hole pressure range of adjustment.Each controlled valve before every test in the described test macro is in closed condition, to the control of each controlled valve opening and closing by the tester by described Controlled by Programmable Controller.
The reduction valve pressure drop test bias course of work: described tested reduction valve is inserted suitable described testing conduit, open the outlet conduit of described cyclic water tank and the stop valve on the inlet channel, controlling described water pump is that described test macro supplies water, (as pressure is 250psi to control the pressure medium of described water inlet pipe front end and standard value that flow reaches test request by the described surplus valve on described frequency converter and the described arm, flow is not less than 6.3L/S), open described supply valve, pressure regulator valve and stop valve A, make tested media by described flow regulation element, regulate described pressure regulator valve and observe the pressure signal that described pressure transducer A gathers, the forefront pressure that makes described tested reduction valve is 100psi, regulate described tested reduction valve and observe the pressure signal that described pressure transducer B gathers, make the pressure of described tested reduction valve outlet reach 50psi, regulate described pressure regulator valve once more and observe the pressure signal that described pressure transducer A gathers, the forefront pressure that makes described tested reduction valve is 150psi, the pressure of monitoring described tested reduction valve exit by described pressure transducer B changes, after test is finished, regulate described pressure regulator valve and observe the pressure signal that described pressure transducer A gathers, make the pressure of described tested reduction valve front end reduce to 50psi, the pressure of monitoring described tested reduction valve exit by described pressure transducer B changes, if the every change of the forefront pressure of described tested reduction valve 10psi, the top hole pressure of described tested reduction valve changes above 1psi, illustrates that then tested described tested reduction valve is a substandard product.
The minimum top hole pressure test job of reduction valve process: described tested reduction valve is inserted suitable described testing conduit, open the outlet conduit of described cyclic water tank and the stop valve on the inlet channel, controlling described water pump is that described test macro supplies water, make the forefront pressure of described water inlet pipe reach test desired standard value (as 250psi) by the described surplus valve of regulating on described frequency converter and the described arm, open described supply valve, pressure regulator valve and stop valve B, observe described flowmeter B and regulate described throttling valve, make the flow of described test macro reach the normal flow of test request, regulate described pressure regulator valve and observe described pressure transducer B, can pressure that observe described tested reduction valve rear end reach 25psi, thereby determine whether described tested reduction valve is specification product.
Reduction valve top hole pressure range of adjustment test job process: described tested reduction valve is inserted suitable described testing conduit, open the outlet conduit of described cyclic water tank and the stop valve on the inlet channel, controlling described water pump is that described test macro supplies water, the pressure of regulating described water inlet pipe front end by the described surplus valve on described frequency converter and the described arm reaches the desired standard value of test, open described supply valve, pressure regulator valve and stop valve A, observing described pressure transducer A and regulating the pressure that described pressure regulator valve makes described tested reduction valve front end is 100psi, adjust described tested reduction valve and observe described pressure transducer B, can top hole pressure that observe described tested reduction valve reach the maximum top hole pressure and the minimum top hole pressure difficult to understand of standard.
Claims (10)
1. reduction valve voltage adjustment characteristic test macro, it is characterized in that it comprises cyclic water tank, water pump and test cell, the water delivering orifice of described cyclic water tank connects the water inlet of described test cell by water inlet pipe, the water delivering orifice of described test cell connects the water inlet of described cyclic water tank by rising pipe, described water pump is arranged on the described water inlet pipe, be provided with stop valve A, flow regulator and flowmeter A on the described rising pipe successively, described test cell comprises testing conduit, and described testing conduit is provided with the mounting interface that is used to insert tested reduction valve.
2. reduction valve voltage adjustment characteristic test macro as claimed in claim 1 is characterized in that described flow regulator is the damping hole of 1.6mm.
3. reduction valve voltage adjustment characteristic test macro as claimed in claim 2, it is characterized in that described rising pipe is provided with and described stop valve A, flow regulator and flowmeter A exit branch in parallel, the water inlet end of described exit branch is connected on the water delivering orifice and the described rising pipe between the described stop valve A of described test cell, the water side is connected on the described rising pipe between the water inlet of described flowmeter A and described cyclic water tank, and described exit branch is provided with stop valve B, throttling valve and flowmeter B.
4. reduction valve voltage adjustment characteristic test macro as claimed in claim 3 is characterized in that described testing conduit is provided with pressure transducer A and the pressure transducer B that lays respectively at described mounting interface both sides.
5. reduction valve voltage adjustment characteristic test macro as claimed in claim 4, the quantity that it is characterized in that described testing conduit is one or more, described a plurality of testing conduit parallel connections.
6. reduction valve voltage adjustment characteristic test macro as claimed in claim 5 is characterized in that the mounting interface of described a plurality of testing conduits adopts same structure or different structure.
7. reduction valve voltage adjustment characteristic test macro as claimed in claim 6 is characterized in that being in series with successively on the described water inlet pipe supply valve and pressure regulator valve, and described supply valve and pressure regulator valve are between described water pump and described test cell.
8. reduction valve voltage adjustment characteristic test macro as claimed in claim 7, it is characterized in that being connected with between described water inlet pipe and the rising pipe voltage stabilizing arm, the water inlet end of described voltage stabilizing arm is connected on the described water inlet pipe between described water pump and the described supply valve, the water side is connected on the described rising pipe between the water inlet of described flowmeter A and described cyclic water tank, described voltage stabilizing arm is provided with pressure transducer C and surplus valve, and wherein said pressure transducer C is arranged on the water inlet end pipeline of described surplus valve.
9. reduction valve voltage adjustment characteristic test macro as claimed in claim 8 is characterized in that being respectively equipped with on the outlet conduit of described cyclic water tank and the inlet channel water outlet stop valve and water inlet stop valve.
10. reduction valve voltage adjustment characteristic test macro as claimed in claim 9, it is characterized in that also comprising Programmable Logic Controller and industrial computer, be electrically connected between described Programmable Logic Controller and the described industrial computer, described Programmable Logic Controller connects described supply valve by control circuit, surplus valve, pressure regulator valve and each stop valve, by signal transfering circuit connection traffic meter and each pressure transducer, described Programmable Logic Controller is provided with the load module that can import various parameters, show and the state of storage test process and the display module and the memory module of test result, and the alarm module that shows various malfunctions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200469596U CN201637566U (en) | 2010-01-18 | 2010-01-18 | Pressure regulating characteristic testing system for pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200469596U CN201637566U (en) | 2010-01-18 | 2010-01-18 | Pressure regulating characteristic testing system for pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201637566U true CN201637566U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200469596U Expired - Lifetime CN201637566U (en) | 2010-01-18 | 2010-01-18 | Pressure regulating characteristic testing system for pressure reducing valve |
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| Country | Link |
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| CN (1) | CN201637566U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095598A (en) * | 2011-01-25 | 2011-06-15 | 卓旦春 | Valve comprehensive test system |
| CN108956108A (en) * | 2018-05-21 | 2018-12-07 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation detection machine |
| CN109000905A (en) * | 2018-06-04 | 2018-12-14 | 泉州市沪航阀门制造有限公司 | A kind of hydraulic characteristic(s) test device and test method |
| CN110425189A (en) * | 2019-07-17 | 2019-11-08 | 北京精密机电控制设备研究所 | A kind of highway turbine pump and overflow valve matching test device |
-
2010
- 2010-01-18 CN CN2010200469596U patent/CN201637566U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095598A (en) * | 2011-01-25 | 2011-06-15 | 卓旦春 | Valve comprehensive test system |
| CN102095598B (en) * | 2011-01-25 | 2014-02-12 | 卓旦春 | Valve comprehensive test system |
| CN108956108A (en) * | 2018-05-21 | 2018-12-07 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation detection machine |
| CN109000905A (en) * | 2018-06-04 | 2018-12-14 | 泉州市沪航阀门制造有限公司 | A kind of hydraulic characteristic(s) test device and test method |
| CN110425189A (en) * | 2019-07-17 | 2019-11-08 | 北京精密机电控制设备研究所 | A kind of highway turbine pump and overflow valve matching test device |
| CN110425189B (en) * | 2019-07-17 | 2020-10-23 | 北京精密机电控制设备研究所 | Ultrahigh-speed turbine pump and overflow valve matching test device |
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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: TAIZHOU IDC INVESTMENT CO., LTD. Free format text: FORMER OWNER: ZHEJIANG IDC FLUID CONTROL CO., LTD. Effective date: 20150409 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317602 TAIZHOU, ZHEJIANG PROVINCE TO: 317600 TAIZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150409 Address after: Street Sha Ao Cun Yuhuan County jade city of Taizhou city in Zhejiang province 317600 (electromechanical Industrial Park) Patentee after: Taizhou aidixi Investment Co. Ltd. Patentee after: IDC Plumbing & Heating Technology (Beijing) Co., Ltd. Address before: 317602 Zhejiang province Yuhuan County electromechanical Industrial Park Patentee before: Zhejiang IDC Fluid Control Co., Ltd. Patentee before: IDC Plumbing & Heating Technology (Beijing) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |