CN203479463U - Gas source automatic control system of leakproofness test - Google Patents
Gas source automatic control system of leakproofness test Download PDFInfo
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- CN203479463U CN203479463U CN201320451702.2U CN201320451702U CN203479463U CN 203479463 U CN203479463 U CN 203479463U CN 201320451702 U CN201320451702 U CN 201320451702U CN 203479463 U CN203479463 U CN 203479463U
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Abstract
The utility model discloses a gas source automatic control system of a leakproofness test. The gas source automatic control system comprises a gas path system and an electric control system; the gas path system comprises a main gas path used for connecting a gas source and a pressure testing workpiece, and an auxiliary gas path connected with the main gas path and used for cooperating with the electric control system, the main gas path is successively provided with a filter pressure-reducing valve and a two-position five-way reversing solenoid valve, the auxiliary gas path is successively provided with a two-position two-way mechanical control valve and a cylinder, and a piston rod cavity of the cylinder is connected with the two-position five-way reversing solenoid valve; and the electric control system comprises a control circuit connected with magnet coils of the two-position five-way reversing solenoid valve, and the control circuit is provided with a time delay and a stroke switch disposed corresponding to a piston rod of the cylinder. The gas source automatic control system is capable of automatically controlling gas source pressure and the time during which the gas source is introduced into the pressure testing workpiece, and results of the leakproofness test are enabled to accurately indicate leakproofness performance of the pressure testing workpiece.
Description
Technical field
The utility model belongs to air-channel system technical field, is specifically related to a kind of control system of automatically controlling for source of the gas in impermeability test.
Background technology
As shown in Figure 1, be the air-channel system figure of existing a kind of gas source control system.Existing gas source control system comprises for connecting the gas circuit 3 of source of the gas 1 and pressure testing workpiece 2, and gas circuit 3 is provided with 2/2-way hand-operated direction valve 4 and for measuring the tensimeter 5 of air pressure.This gas source control system adopts manually the time of impermeability test detection and the pressure of detection is controlled, because air pressure is unstable and the time can not accurately be controlled, the result that causes product hermeticity to test is unreliable, if do not improved, the quality of product and production efficiency will be caused and be had a strong impact on.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of impermeability test source of the gas automatic control system, this source of the gas automatic control system can realize the duration that bleed pressure and source of the gas are passed into pressure testing workpiece and automatically control, and the result that guarantees impermeability test can accurately reflect the sealing property of pressure testing workpiece.
For achieving the above object, the utility model provides following technical scheme:
An impermeability test source of the gas automatic control system, comprises air-channel system and electric-control system;
Described air-channel system comprises for connecting that the main gas circuit of source of the gas and pressure testing workpiece is connected with described main gas circuit and auxiliary air passage for coordinating with electric-control system, in described main gas circuit, be provided with successively filtering pressure reducing valve and two five-way reversing solenoid valves, on described auxiliary air passage, be provided with successively 2/2-way machine control valve and cylinder, the rod end chamber of described cylinder is connected with described two five-way reversing solenoid valves;
Described electric-control system comprises the control circuit being connected with the magnet coil of described two five-way reversing solenoid valves, described control circuit be provided with the time relay and with the travel switch of the corresponding setting of piston rod of described cylinder.
Further, the tie point between described auxiliary air passage and described main gas circuit is between described filtering pressure reducing valve and two five-way reversing solenoid valves.
Further, be also provided with for monitoring the air pressure alarm of main gas circuit air pressure in described main gas circuit, the tie point between described auxiliary air passage and described main gas circuit is between described filtering pressure reducing valve and air pressure alarm.
Further, described 2/2-way machine control valve is pedestal type.
Further, also comprise the direct supply being connected with described control circuit.
Further, also comprise control box, described air-channel system and electric-control system are all arranged in described control box, and the guidance panel of control box is provided with for installing and observe the mounting hole of the described time relay and air pressure alarm, and guidance panel is provided with the water proof switch for the draining switching of controlled filter reduction valve.
The beneficial effects of the utility model are:
The control flow of impermeability test source of the gas automatic control system of the present utility model is as follows: open 2/2-way machine control valve, gas enters the rodless cavity of cylinder, the piston rod of cylinder stretches out closing stroke switch, the time relay starts, two five-way reversing solenoid valves are started working, and pressed gas enters pressure testing workpiece through two five-way reversing solenoid valves and carries out impermeability test; When the time that time of arrival, relay was set, control circuit power-off, two five-way reversing solenoid valves reset, and the pressed gas in pressure testing workpiece is expelled to cylinder, and the piston rod of cylinder is retracted, and disconnects travel switch, prepares test next time; Therefore, adopt impermeability test source of the gas automatic control system of the present utility model, accurately controlled pressure gas enters the time of pressure testing workpiece, and by filtering pressure reducing valve is set, can effectively regulate the pressure limit of pressed gas, the result that can guarantee impermeability test can accurately reflect the sealing property of pressure testing workpiece.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is the air-channel system figure of existing a kind of gas source control system;
Fig. 2 is the structural representation of the utility model impermeability test source of the gas automatic control system embodiment;
Fig. 3 is the structural representation of the guidance panel of control box.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in Figure 2, be the structural representation of the utility model impermeability test source of the gas automatic control system embodiment.The impermeability test source of the gas automatic control system of the present embodiment, comprises air-channel system and electric-control system.
Air-channel system comprises for connecting that the main gas circuit 6 of source of the gas 1 and pressure testing workpiece 2 is connected with main gas circuit 6 and auxiliary air passage 7 for coordinating with electric-control system, in main gas circuit 6, be provided with successively filtering pressure reducing valve 8 and two five-way reversing solenoid valves 9, on auxiliary air passage 7, be provided with successively 2/2-way machine control valve 10 and cylinder 11, the rod end chamber of cylinder 11 is connected with two five-way reversing solenoid valves 9.
Electric-control system comprises the control circuit 12 being connected with the magnet coil of two five-way reversing solenoid valves 9, control circuit 12 be provided with the time relay 13 and with the travel switch 14 of the corresponding setting of piston rod of cylinder 11, when cylinder 11 piston rods stretch out, travel switch 14 closures, when the piston rod of cylinder 11 is retracted, travel switch 14 disconnects.
The control flow of the impermeability test source of the gas automatic control system of the present embodiment is as follows: open 2/2-way machine control valve 10, gas enters the rodless cavity of cylinder 11, the piston rod of cylinder 11 stretches out closing stroke switch 14, the time relay 13 starts, two five-way reversing solenoid valves 9 are started working, and pressed gas enters pressure testing workpiece 2 through two five-way reversing solenoid valves 9 and carries out impermeability test; When the time of relay 13 settings time of arrival, control circuit 12 power-off, two five-way reversing solenoid valves 9 reset, and the pressed gas in pressure testing workpiece 2 is expelled to cylinder 11, and the piston rod of cylinder 11 is retracted, and disconnects travel switch 14, prepares test next time; Therefore, adopt the impermeability test source of the gas automatic control system of the present embodiment, accurately controlled pressure gas enters the time of pressure testing workpiece 2, and by filtering pressure reducing valve 8 is set, can effectively regulate the pressure limit of pressed gas, the result that can guarantee impermeability test can accurately reflect the sealing property of pressure testing workpiece.
Preferably, the auxiliary air passage 7 of the present embodiment and the tie point between main gas circuit 6, between filtering pressure reducing valve 8 and two five-way reversing solenoid valves 9, can guarantee to enter the pressure stability of the pressed gas of cylinder.
Preferably, in main gas circuit 6, be also provided with for monitoring the air pressure alarm 15 of main gas circuit 6 air pressure, tie point between auxiliary air passage 7 and main gas circuit 6 is between filtering pressure reducing valve 8 and air pressure alarm 15, by air pressure alarm 15 is set, when the air pressure range in main gas circuit 6 exceeds the mxm. of setting range or minimum, send warning.By air pressure alarm 15 being arranged between two five-way reversing solenoid valves 9 and the tie point of auxiliary air passage 7, can prevent that the break-make of auxiliary air passage 7 from bringing impact to air pressure alarm 15.
Preferably, 2/2-way machine control valve 10 is pedestal type, during use, can use the foot-operated 2/2-way machine control valve 10 of easily opening, easy to operate.
Further, the impermeability test source of the gas automatic control system of the present embodiment also comprises the direct supply 16 being connected with control circuit 12, and the direct supply 16 of the present embodiment adopts 24V direct supply.
Further, the impermeability test source of the gas automatic control system of the present embodiment also comprises control box 17, air-channel system and electric-control system are all arranged in control box 17, and the guidance panel of control box 17 be provided with for install and observing time the relay 13 and mounting hole of air pressure alarm 15, and guidance panel is provided with the water proof switch that the draining for controlled filter reduction valve 8 opens and closes.Can effectively air-channel system and electric-control system be integrated to convenient use.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can to it, make various changes in the form and details, and not depart from the utility model claims limited range.
Claims (6)
1. an impermeability test source of the gas automatic control system, is characterized in that: comprise air-channel system and electric-control system;
Described air-channel system comprises for connecting that the main gas circuit of source of the gas and pressure testing workpiece is connected with described main gas circuit and auxiliary air passage for coordinating with electric-control system, in described main gas circuit, be provided with successively filtering pressure reducing valve and two five-way reversing solenoid valves, on described auxiliary air passage, be provided with successively 2/2-way machine control valve and cylinder, the rod end chamber of described cylinder is connected with described two five-way reversing solenoid valves;
Described electric-control system comprises the control circuit being connected with the magnet coil of described two five-way reversing solenoid valves, described control circuit be provided with the time relay and with the travel switch of the corresponding setting of piston rod of described cylinder.
2. impermeability test source of the gas automatic control system according to claim 1, is characterized in that: the tie point between described auxiliary air passage and described main gas circuit is between described filtering pressure reducing valve and two five-way reversing solenoid valves.
3. impermeability test source of the gas automatic control system according to claim 2, it is characterized in that: in described main gas circuit, be also provided with for monitoring the air pressure alarm of main gas circuit air pressure, the tie point between described auxiliary air passage and described main gas circuit is between described filtering pressure reducing valve and air pressure alarm.
4. impermeability test source of the gas automatic control system according to claim 3, is characterized in that: described 2/2-way machine control valve is pedestal type.
5. impermeability test source of the gas automatic control system according to claim 4, is characterized in that: also comprise the direct supply being connected with described control circuit.
6. impermeability test source of the gas automatic control system according to claim 5, it is characterized in that: also comprise control box, described air-channel system and electric-control system are all arranged in described control box, and the guidance panel of control box is provided with for installing and observe the mounting hole of the described time relay and air pressure alarm, and guidance panel is provided with the water proof switch for the draining switching of controlled filter reduction valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451702.2U CN203479463U (en) | 2013-07-26 | 2013-07-26 | Gas source automatic control system of leakproofness test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451702.2U CN203479463U (en) | 2013-07-26 | 2013-07-26 | Gas source automatic control system of leakproofness test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479463U true CN203479463U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320451702.2U Expired - Fee Related CN203479463U (en) | 2013-07-26 | 2013-07-26 | Gas source automatic control system of leakproofness test |
Country Status (1)
| Country | Link |
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| CN (1) | CN203479463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840529A (en) * | 2017-03-08 | 2017-06-13 | 蚌埠国威滤清器有限公司 | Oil absorption filter device for detecting sealability |
-
2013
- 2013-07-26 CN CN201320451702.2U patent/CN203479463U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840529A (en) * | 2017-03-08 | 2017-06-13 | 蚌埠国威滤清器有限公司 | Oil absorption filter device for detecting sealability |
| CN106840529B (en) * | 2017-03-08 | 2023-05-12 | 蚌埠国威滤清器有限公司 | Oil absorption filter tightness detection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20200726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |