CN207923389U

CN207923389U - A kind of steam valve sealing property testing equipment

Info

Publication number: CN207923389U
Application number: CN201820259963.7U
Authority: CN
Inventors: 胥卫东
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-19
Filing date: 2018-02-19
Publication date: 2018-09-28
Anticipated expiration: 2028-02-19

Abstract

The utility model is related to press device detection technique fields, and in particular to a kind of steam valve sealing property testing equipment.Steam valve sealing property testing equipment provided by the utility model, including controller and fixture on the stationary platform is arranged, fixture fixes steam valve to be checked, steam valve is connect with seal nipple, the connection of seal nipple and first pressure pipeline and third pressure piping equipped with electric control exhaust valve, electric control exhaust valve is connect with thermobarometer, first pressure pipeline and third pressure piping centre position and the second pressure piping connection for being equipped with solenoid valve, the end of first pressure pipeline and third pressure piping is connect by solenoid valve and manually-operated gate with air pump respectively, one end airtight connection between the outlet side and solenoid valve of air pump with the 4th pressure piping, the other end of 4th pressure piping passes through manually-operated gate and solenoid valve and steam air source airtight connection.The utility model is easy to operate, efficient and with obvious effects.

Description

A kind of steam valve sealing property testing equipment

Technical field

The utility model and press device detection technique field, and in particular to steam valve sealing property testing equipment.

Background technology

In the prior art, since central air-conditioning is typically mounted at top layer or the underground of building, even if fixed to central air-conditioning Phase maintenance cleaning, due to the condition limitation that it is used, especially after long-term use, the coil pipe of central air conditioner fan can assemble one A little dirts and corrosion coil pipe, if the steam valve on corrosion coil pipe, can lead to steam valve gas leakage therein, not only reduce disk The service life of pipe, and influence the normal work of central air-conditioning.

Utility model content

In order to solve above-mentioned the problems of the prior art, steam valve sealing performance test dress provided by the utility model It sets, it is easy to operate to steam valve sealing property testing equipment, it is not only able to simulation and monitors actual working condition, and can Bidirectional test is carried out, it is efficient and with obvious effects.

To achieve the above object, technical solution used by the utility model is to provide a kind of steam valve sealing performance survey Trial assembly is set, and the controller and fixture of setting on the stationary platform are included, and the fixture is special for fixing steam valve to be checked Sign is, respectively with seal nipple airtight connection, the seal nipple connects with electric control exhaust valve respectively at the steam valve both ends Connect, the electric control exhaust valve respectively with first pressure pipeline and third pressure piping airtight connection, the electric control exhaust valve with temperature Press the tab closure connection of table, the centre position and second pressure pipeline sealing of the first pressure pipeline and third pressure piping Connection, the second pressure pipeline are equipped with solenoid valve, and the other end of the first pressure pipeline is equipped with solenoid valve, the electromagnetism Valve and air pump air inlet pipe airtight connection, the air pump is equipped with second solenoid valve, and the other end of the third pressure piping sets There is solenoid valve, the escape pipe airtight connection of the solenoid valve and air pump, the escape pipe of the air pump is close to be equipped between solenoid valve 4th pressure piping, the 4th pressure piping and steam air source airtight connection, the 4th pressure piping are equipped with solenoid valve, The controller is equipped with microcontroller, and the CPU in the microcontroller is connect with collector and electric controller respectively, the electric controller difference It is connect with electric control exhaust valve, solenoid valve, air pump and second solenoid valve, the collector and the temperature being arranged in temperature and pressure meter connector Sensor is connected with pressure sensor, and the temperature sensor and pressure sensor are respectively two identical semi- cylindricals, and two It is cylindrical type when a semi- cylindrical zoarium.

Further, the surface of the controller is equipped with switch key and at least three or more mode key.

Further, the junction of the third pressure piping and second pressure pipeline to third pressure piping solenoid valve it Between be equipped with manually-operated gate.

Further, the junction of the first pressure pipeline and second pressure pipeline to first pressure pipeline solenoid valve it Between be equipped with manually-operated gate.

Further, the 4th pressure piping is being equipped with manually-operated gate between solenoid valve and steam air source.

Further, the fixture is the U-shaped structure of opening upwards, and the U-shaped structure both sides are the clamping plate being oppositely arranged.

Further, the clamping plate center is equipped with through-hole.

Compared with prior art, advantageous effect is the utility model：

1, steam valve sealing property testing equipment provided by the utility model, it is easy to operate, it is not only able to simulation monitoring Actual working condition, and the survey of two-way positive and negative pressure or individual event positive pressure and negative pressure state can be carried out to valve to be detected Examination.

2, the utility model is simple in structure, and the monitoring used time is few, and the data of detection are reliable, efficient.

Description of the drawings

Fig. 1 is the structure chart of steam valve sealing property testing equipment described in the utility model；

Fig. 2 is the three-dimensional structure diagram of fixed platform in steam valve sealing property testing equipment described in the utility model.

Reference numeral

In figure：1- solenoid valves；2- manually-operated gates；3- seal nipples；4- thermobarometers；41- electric control exhaust valves；5- first pressures Pipeline；6- second pressure pipelines；The 4th pressure pipings of 7-；8- air pumps；81- second solenoid valves；9- third pressure pipings；10- cards Tool；11- fixed platforms；12- controllers.

Specific implementation mode

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this It encloses.

Embodiment 1

As shown in Figs. 1-2, a kind of steam valve sealing property testing equipment provided by the utility model, including setting is solid The surface of controller 12 on fixed platform 11 and fixture 10, the controller 12 is equipped with switch key and at least three with upper mold Formula button, the controller 12 is interior to be equipped with microcontroller, and the CPU in the microcontroller is connect with collector and electric controller respectively, institute It states controller 12 and is equipped with the port being connect with computer and printer.

The fixture 10 is the U-shaped structure of opening upwards, and the U-shaped structure is used to that steam valve to be checked to be fixedly mounted, The bottom of the U-shaped structure is equipped with the upright bar being fixedly connected with 11 centre position of fixed platform, and the U-shaped structure both sides are equipped with phase To the clamping plate of setting, the clamping plate center is equipped with through-hole；The clamping plate bottom is also provided with fastening bolt, screws fastening Bolt can make the steam valve in clamping plate secured, realize the purpose of fastening steam valve.Steam valve is placed on U-shaped structure Centre, due to general steam valve center be equipped with valve block, the spherical evagination in intermediate position of steam valve, clamping plate centre bit The through-hole set can keep steam valve fixed more securely by the spherical surface outer tappet of steam valve in through-hole.It, will when installation The spherical surface evagination of steam valve is placed in through-hole, and the fastening bolt in clamping plate bottom is arranged in knob, and steam valve is fixed.

The steam valve both ends respectively with 3 airtight connection of seal nipple, the seal nipple 3 respectively with electric control exhaust Valve 41 connects, and the electric control exhaust valve 41 is described automatically controlled respectively with 9 airtight connection of first pressure pipeline 5 and third pressure piping The interface that air bleeding valve 41 is equipped with is connect with the tab closure of thermobarometer 4, and temperature sensor is equipped in the connector of the thermobarometer 4 And pressure sensor, the temperature sensor and pressure sensor are respectively two identical semi- cylindricals, two semi- cylindricals It is cylindrical type when fit, the temperature sensor and pressure sensor of semi- cylindrical structure merge as cylindrical structure, this Structure is convenient for temperature sensor and pressure sensor in same position gathered data signal.

The centre position of the first pressure pipeline 5 and third pressure piping 9 and 6 airtight connection of second pressure pipeline, institute It states second pressure pipeline 6 and is equipped with solenoid valve 1, the other end of the first pressure pipeline 5 is equipped with solenoid valve 1, first pressure The solenoid valve 1 on solenoid road 5 and the air inlet pipe airtight connection of air pump 8, the air pump 8 are equipped with second solenoid valve 81, the third pressure The other end on solenoid road 9 is equipped with solenoid valve 1, the solenoid valve 1 of the third pressure piping 9 and the closed company of escape pipe of air pump 8 It connects, the 4th pressure piping 7, the 4th pressure is equipped between the escape pipe of the air pump 8 and the solenoid valve 1 of third pressure piping 9 Solenoid road 7 and steam air source airtight connection, the steam air source is the steam gas that can set and adjust vapor (steam) temperature and pressure Source, the steam air source can be controlled setting by computer and adjust vapor (steam) temperature and pressure.On 4th pressure piping 7 Equipped with solenoid valve 1.

In the present embodiment, electric controller is connect with electric control exhaust valve 41, solenoid valve 1, air pump 8 and second solenoid valve 81 respectively. Wherein, the temperature sensor and pressure sensor are connect with collector, collector collecting temperature sensor and pressure sensor Data-signal, and by collected data-signal real-time Transmission to CPU, after the data comparison of the CPU and storage, pass through electricity Control the working condition that device was powered or powered off control electric control exhaust valve 41, solenoid valve 1, air pump 8 and second solenoid valve 81.

The junction of the third pressure piping 9 and second pressure pipeline 6 is between the solenoid valve 1 of third pressure piping 9 Equipped with manually-operated gate 2.The junction of the first pressure pipeline 5 and second pressure pipeline 6 to first pressure pipeline 5 solenoid valve Manually-operated gate 2 is equipped between 1.The junction of the first pressure pipeline 5 and second pressure pipeline 6 is to second pressure pipeline 6 Manually-operated gate 2 is equipped between solenoid valve 1.4th pressure piping 7 is being equipped with hand between solenoid valve 1 and steam air source Movable valve 2., seal of the solenoid valve 1 in testing pipeline can be supplemented by closing manually-operated gate 2, make test data more Accurately.

In use, printer and computer are connected with controller 12 first, set on computers and adjust steam air source Temperature and pressure, reach the requirement of monitoring numerical value；Steam valve to be checked is fixedly mounted on fixture 10, it is to be checked Steam valve both ends with 3 airtight connection of seal nipple, are arranged the detection data of steam valve, make steam air source on computers respectively It is needed to export satisfactory high steam according to detection, workflow can start detection on computer or controller 12 respectively Work.

After the completion of preparation, then press the switch key that 12 surface of controller is equipped with, press first mode button or Start first mode program on computers, the CPU simultaneously closes off second pressure pipe according to the program of setting by controller 12 Solenoid valve 1 on road 6 and the 4th pressure piping 7 opens simultaneously the solenoid valve on third pressure piping 9 and first pressure pipeline 5 1, the gas in first pressure pipeline 5 is extracted into third pressure piping 9 by booster air pump 8, makes to be formed in first pressure pipeline 5 negative Pressure condition, forms barotropic state in third pressure piping 9, described when being just depressed into of the third pressure piping 9 does not reach requirement It is that third pressure piping 9 supplements air that CPU opens second solenoid valve 81 according to setting program, keeps third pressure piping 9 quick Reach the pressure value of setting.When steam valve both ends to be checked respectively reach the pressure value of setting, the CPU closes first pressure The solenoid valve 1 of pipeline 5 and third pressure piping 9, CPU prompt testers close all manually-operated gates 2, to steam valve The quiet survey of pressurize is carried out, is negative pressure on one side, another side is positive pressure, and this test mode can reduce the static test time of half.

After the test program of first mode, controller 12 automatically start second mode program, also can manual intervention open Dynamic second mode program, two ways are required to manual operation manually-operated gate 2, and second mode needs that third pressure is opened manually Manually-operated gate 2 on pipeline 9 and the 4th pressure piping 7, after manually-operated gate 2 is opened, CPU opens third pressure according to the program of setting Solenoid road 9, the 4th pressure piping 7 solenoid valve 1 and thermobarometer 4 on electric control exhaust valve 41, the 4th pressure piping 7 be connected to steam The steam of high pressure-temperature is transported in third pressure piping 9 by air source, steam air source, and CPU controls electric control exhaust valve 41 and opens, high Cryogenic gas in third pressure piping 9 is expelled from third pressure piping 9 by the steam of warm high pressure, and collector acquires temperature control in real time The data-signal of probe and pressure sensor, and by collected data signal transmission to CPU, the CPU is according to collected Temperature and pressure numerical value, when the steam of the high temperature and pressure in third pressure piping 9 reaches setting numerical value, CPU passes through controller 12, which close electric control exhaust valve 41, carries out high temperature and pressure test, is negative pressure on one side, another side is the positive pressure of high temperature and pressure, can be reduced The testing time of half.

The another way of second mode is that the CPU opens the automatically controlled row on first pressure pipeline 5 according to the program of setting Air valve 41 keeps the pressure in first pressure pipeline 5 identical as extraneous air, and steam valve makes survey in actual working condition The data of examination more science.

After second mode, the third mode test is carried out, CPU prompts tester, the third mode to need tester According to the prompt of CPU, the switch of manually-operated gate 2 and steam valve to be checked on second pressure pipeline 6 is opened manually, CPU is pressed The solenoid valve 1 on second pressure pipeline 6 is opened according to the program of setting, the steam of high temperature and pressure passes through out of third pressure piping 9 Second pressure pipeline 6 flows in first pressure pipeline 5, makes the vapor (steam) temperature value in third pressure piping 9 and first pressure pipeline 5 It is identical with pressure value, when in first pressure pipeline 5 or third pressure piping 9 vapor (steam) temperature and less than setting value when, CPU passes through It is relatively low that controller opens or closes 41 discharge temperature of electric control exhaust valve on first pressure pipeline 5 or third pressure piping 9 respectively Steam, change to the higher steam of temperature.When the steam in first pressure pipeline 5 or third pressure piping 9 reaches setting value When, CPU closes air bleeding valve 41 by controller, and the display screen prompt tester of CPU closes first pressure pipeline 5 and third The manually-operated gate 2 of pressure piping 9 starts pressurize test.

The another way of second mode, which is that CPU requires to open according to the program of setting, is opened manually 5 He of first pressure pipeline The manually-operated gate 2 of third pressure piping 9 closes the manually-operated gate 2 of second pressure pipeline 6, first pressure pipeline 5 is opened manually With the manually-operated gate 2 of third pressure piping 9, and after closing the manually-operated gate 2 of second pressure pipeline 6, CPU is opened by repeatedly closing It takes offence pump 8, test vapor valve becomes the test number under pressure condition in dynamic.

After test, CPU can be reported by printer print data, can also pass through computer backup or transmission electricity Subnumber it was reported that.Each mode test procedure can individually be tested as desired by debugging computer or manual operation, More test programs can also be arranged in tester by computer.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change The scope of protection of the utility model is also should be regarded as into retouching.

Claims

1. a kind of steam valve sealing property testing equipment includes controller (12) and fixture of the setting in fixed platform (11) (10), the fixture (10) is for fixing steam valve to be checked, which is characterized in that the steam valve both ends respectively with sealing Connector (3) airtight connection, the seal nipple (3) connect with electric control exhaust valve (41) respectively, the electric control exhaust valve (41) point It is not sealed with first pressure pipeline (5) and third pressure piping (9) airtight connection, the electric control exhaust valve (41) and thermobarometer (4) Close connection, the centre position and second pressure pipeline (6) closed company of the first pressure pipeline (5) and third pressure piping (9) It connects, the second pressure pipeline (6) is equipped with solenoid valve (1), and the other end of the first pressure pipeline (5) is equipped with solenoid valve (1), the air inlet pipe airtight connection of the solenoid valve (1) and air pump (8), the air pump (8) are equipped with second solenoid valve (81), institute The other end for stating third pressure piping (9) is equipped with solenoid valve (1), the closed company of escape pipe of the solenoid valve (1) and air pump (8) It connects, the 4th pressure piping (7), the 4th pressure piping (7) is equipped between the escape pipe and solenoid valve (1) of the air pump (8) With steam air source airtight connection, the 4th pressure piping (7) is equipped with solenoid valve (1), and the controller (12) is equipped with monolithic Machine, the CPU in the microcontroller are connect with collector and electric controller respectively, the electric controller respectively with electric control exhaust valve (41), Solenoid valve (1), air pump (8) and second solenoid valve (81) connection, the collector and the temperature being arranged in temperature and pressure meter connector pass Sensor is connected with pressure sensor, and the temperature sensor and pressure sensor are two identical semi- cylindricals, two semicircles It is cylindrical type when column type zoarium.

2. steam valve sealing property testing equipment as described in claim 1, which is characterized in that the surface of the controller (12) Equipped with switch key and at least three or more mode key.

3. steam valve sealing property testing equipment as described in claim 1, which is characterized in that the third pressure piping (9) Manually-operated gate (2) is equipped between the solenoid valve (1) of junction to third pressure piping (9) of second pressure pipeline (6).

4. steam valve sealing property testing equipment as claimed in claim 3, which is characterized in that the first pressure pipeline (5) Manually-operated gate (2) is equipped between the solenoid valve (1) of junction to first pressure pipeline (5) of second pressure pipeline (6).

5. steam valve sealing property testing equipment as described in claim 1, which is characterized in that the first pressure pipeline (5) manually-operated gate (2) is equipped between the solenoid valve of the junction of second pressure pipeline (6) to second pressure pipeline (6) (1).

6. steam valve sealing property testing equipment as described in claim 1, which is characterized in that the 4th pressure piping (7) manually-operated gate (2) is being equipped between solenoid valve (1) and steam air source.

7. steam valve sealing property testing equipment as described in claim 1, which is characterized in that the fixture (10) is opening Upward U-shaped structure, the U-shaped structure both sides are the clamping plate being oppositely arranged.

8. steam valve sealing property testing equipment as claimed in claim 7, which is characterized in that the clamping plate centre bit installs There is through-hole.