CN212008140U - Double-medium pressure test device - Google Patents
Double-medium pressure test device Download PDFInfo
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- CN212008140U CN212008140U CN202020206576.4U CN202020206576U CN212008140U CN 212008140 U CN212008140 U CN 212008140U CN 202020206576 U CN202020206576 U CN 202020206576U CN 212008140 U CN212008140 U CN 212008140U
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Abstract
The utility model provides a two medium pressure test device, include: the gas booster pump, the gas storage and the high-pressure water storage device; an external gas source is used for pressurizing gas through the gas booster pump and then transmitting the gas to the gas storage; the gas flows out of the gas storage device, then passes through the first branch and then is divided into a second branch and a third branch, the second branch leads to a tested workpiece, and the third branch leads to the high-pressure water storage device; liquid flows into the high-pressure water storage device from a water inlet pipe, flows out of a water outlet pipe and passes through a fourth branch, and the second branch and the fourth branch are combined into a fifth branch to reach the tested workpiece. On the premise of a double-medium pressure test, the problem that the same workpiece can reduce frequent disassembly of interfaces and well avoid the risk of equipment damage is solved.
Description
Technical Field
The utility model relates to a bearing capacity of work piece is experimental field, concretely relates to two medium pressure test device.
Background
In order to check whether the bearing capacity of a special workpiece or equipment meets the design requirement, the workpiece or the equipment needs to be tested in two aspects of hydraulic pressure and air pressure.
The common practice of the current hydraulic test is to use water as a medium and use a pneumatic booster pump to carry out manual boosting operation; in the air pressure test, high-pressure nitrogen or air is usually used, and the pressure is increased after the high-pressure nitrogen or air is decompressed and output to a target pressure.
As the pneumatic booster pump needs manual operation, overpressure risks exist during the hydrostatic test; the two systems operate independently and have single function, and in order to execute a hydraulic pressure and air pressure double-medium pressure test, the same workpiece needs to be frequently disassembled from the interface, so that the work efficiency is influenced, and meanwhile, the interface damage risk is increased.
In view of this, it is desirable to design a testing apparatus that can avoid frequent disassembling of the interface and increase the working efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a test device of two medium integrations.
The utility model provides a two medium pressure test device, include: the gas booster pump, the gas storage and the high-pressure water storage device; an external gas source is used for pressurizing gas through the gas booster pump and then transmitting the gas to the gas storage; the gas flows out of the gas storage device, then passes through the first branch and then is divided into a second branch and a third branch, the second branch leads to a tested workpiece, and the third branch leads to the high-pressure water storage device; liquid flows into the high-pressure water storage device from a water inlet pipe, flows out of a water outlet pipe and passes through a fourth branch, and the second branch and the fourth branch are combined into a fifth branch to reach the tested workpiece.
According to an aspect of the present invention, the high pressure water reservoir further comprises: a first section located at an upper portion of the high pressure reservoir for storing gas; a second subsection located at the lower part of the high pressure water storage device for storing liquid.
According to the utility model discloses an aspect, two medium pressure test device still includes: the first manual valve is connected between the external air source and the gas booster pump, and the outlet of the first manual valve is connected with the driving air inlet of the gas booster pump; a second manual valve connected between the gas booster pump and the gas storage; the third manual valve and the first pressure reducing valve are arranged on the first branch; a fourth manual valve provided outside the first sub; and the fifth manual valve is arranged at the water inlet of the high-pressure water storage device.
According to the utility model discloses an aspect, two medium pressure test device still includes: a first safety valve provided between the gas booster pump and the gas storage and for communicating with the gas storage; the second safety valve is arranged on the second branch; a third relief valve disposed outside of the first subsection.
According to the utility model discloses an aspect, two medium pressure test device still includes: the first pressure detection unit is arranged on the outer side of the external air source; a second pressure detection unit disposed between the gas booster pump and the gas storage; a third pressure detecting unit arranged outside the first subsection of the high-pressure water receiver; the fourth pressure detection unit is arranged outside the pipeline of the first branch; the fifth pressure detection unit is arranged outside the pipeline of the second branch; the sixth pressure detection unit is arranged on the outer side of the pipeline of the fifth branch; and the liquid level detection unit is arranged on the outer side of the second subsection.
According to the utility model discloses an aspect, two medium pressure test device still includes: the first pressure control valve is arranged between the external air source and the first pressure detection unit; a second pressure control valve provided between a pipe between the gas booster pump and the gas storage and the second pressure detecting unit; a third pressure control valve provided between the high pressure reservoir first section and the third pressure detecting unit; a fourth pressure control valve provided between the pipe of the first branch and the fourth pressure detecting unit; a fifth pressure control valve provided between the pipe of the second branch and the fifth pressure detecting unit; and a sixth pressure control valve provided between the pipe of the fifth branch and the sixth pressure detecting unit.
According to the utility model discloses an aspect, two medium pressure test device still includes: the first electric valve and the first manual valve are arranged between the external gas source and the gas booster pump in parallel, and an outlet of the first electric valve is communicated with a medium gas inlet of the gas booster pump; the second electric valve is arranged on the second branch and used for controlling the on-off of the second branch; the third electric valve is arranged on the third branch and used for controlling the on-off of the third branch; the fourth electric valve is arranged on the fourth branch and used for controlling the on-off of the fourth branch; and the fifth electric valve is arranged on the outlet pipeline of the tested workpiece and used for controlling the pressure relief of the tested workpiece.
According to the utility model discloses an aspect, two medium pressure test device still includes: a first check valve disposed between the gas booster pump and the gas storage; a second check valve disposed on the second branch; and the third check valve is arranged on the fourth branch.
According to the utility model discloses an aspect, two medium pressure test device still includes: a first filter disposed between the gas booster pump and the gas storage; and the second filter is arranged on an inlet pipeline of the high-pressure water receiver.
According to the utility model discloses an aspect, two medium pressure test device still includes: a control module, configured to collect signals of the first pressure detection unit, the second pressure detection unit, the third pressure detection unit, the fourth pressure detection unit, the fifth pressure detection unit, the sixth pressure detection unit, and the liquid level detection unit, and analyze the signals to act on the first electrically-operated valve, the second electrically-operated valve, the third electrically-operated valve, the fourth electrically-operated valve, and the fifth electrically-operated valve.
The utility model provides a two medium pressure test device uses the gas booster pump to transmit the gas of external air supply to the gas storage ware, and this gas storage ware is as the only pressure source that two mediums suppressed, and the gas of gas storage ware is directly transmitted to the work piece of being tried from the second branch road when doing the atmospheric pressure test, and the gas of gas storage ware is exerted pressure to the liquid of high pressure water receiver when doing the hydraulic pressure test, and liquid is transmitted to the work piece of being tried from the fourth branch road. According to the integrated double-medium pressure test device, on the premise of double-medium pressure test, the same workpiece can reduce frequent interface disassembly, and the risk of equipment damage and the risk of pressure control lag are well avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic diagram of a dual media pressure test apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a dual-medium pressure testing apparatus according to still another embodiment of the present invention.
Description of reference numerals:
100-external gas source, 200-gas booster pump, 300-gas storage, 400-high-pressure water storage, 500-tested workpiece, 101-first check valve, 102-second check valve, 103-third check valve, 201-first filter, 202-second filter, 401-liquid level detection unit; 601-a first manual valve, 602-a second manual valve, 603-a third manual valve, 604-a first pressure reducing valve, 605-a fourth manual valve, 606-a fifth manual valve, 701-a first safety valve, 702-a second safety valve, 703-a third safety valve, 801-a first pressure detecting unit, 802-a second pressure detecting unit, 803-a third pressure detecting unit, 804-a fourth pressure detecting unit, 805-a fifth pressure detecting unit, 806-a sixth pressure detecting unit, 901-a first electric valve, 902-a second electric valve, 903-a third electric valve, 904-a fourth electric valve, 905-a fifth electric valve.
Detailed Description
The features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, for the purposes of illustrating the principles of the invention. Additionally, the components in the drawings are not necessarily to scale. For example, the dimensions of some of the structures or regions in the figures may be exaggerated relative to other structures or regions to help improve understanding of embodiments of the present invention.
The directional terms appearing in the following description are directions shown in the drawings and do not limit the specific structure of the embodiments of the present invention. In the description of the present invention, it should be noted that, unless otherwise stated, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
Furthermore, the terms "comprises," "comprising," "includes," "including," "has," "having" or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure or component comprising a list of elements does not include only those elements but may include other mechanical components not expressly listed or inherent to such structure or component. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
Spatially relative terms such as "below," "… below," "lower," "above," "… above," "upper," and the like are used for convenience in describing the positioning of one element relative to a second element and are intended to encompass different orientations of the device in addition to different orientations than those illustrated in the figures. Further, for example, the phrase "one element is over/under another element" may mean that the two elements are in direct contact, or that there is another element between the two elements. Furthermore, terms such as "first", "second", and the like, are also used to describe various elements, regions, sections, etc. and should not be taken as limiting. Like terms refer to like elements throughout the description.
It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention.
Fig. 1 is a schematic diagram of a dual media pressure test apparatus according to an embodiment of the present invention; fig. 2 is a schematic diagram of a dual-medium pressure testing apparatus according to still another embodiment of the present invention.
As shown in fig. 1, the utility model provides a two medium pressure test device includes: a gas booster pump 200, a gas storage 300, and a high-pressure water storage 400; the external gas source 100 is pressurized by the gas booster pump 200 and then transmitted to the gas storage 300; after flowing out of the gas storage 300, the gas firstly passes through the first branch and then is divided into a second branch and a third branch, wherein the second branch leads to the tested workpiece 500, and the third branch leads to the high-pressure water storage 400; the liquid flows into the high pressure water storage 400 from the water inlet pipe, the water outlet pipe flows out and passes through the fourth branch, and the second branch and the fourth branch are combined into a fifth branch to reach the tested workpiece 500.
Specifically, the gas booster pump 200 adopts a pneumatic reciprocating pump, and pipelines among the external gas source 100, the gas booster pump 200, the gas storage 300 and the high-pressure water storage 400 are all connected by stainless steel pipes, so that the durability of the double-medium pressure test device is improved, wherein the pipelines between the high-pressure water storage 400 and the tested workpiece 500, as well as between the water inlet pipe of the high-pressure water storage 400 and the water outlet pipe of the tested workpiece 500 adopt hoses, so that the liquid can flow conveniently. The external gas source 100 is pressurized by the gas booster pump 200 and then transmitted to the gas storage 300, and the gas storage 300 is used as the only pressure source for dual-medium pressurization. The external air source 100 is any one of an external helium bottle, an external nitrogen bottle or external compressed air, and the liquid in the high-pressure water storage 400 can be pure water or ultrapure water.
The utility model discloses in, gaseous first through first branch road after flowing out from gas storage ware 300, the back divide into second branch road and third branch road, and the second branch road leads to by examination work piece 500, and the third branch road leads to high pressure water receiver 400. The liquid flows into the high pressure reservoir 400 from the inlet pipe and is pressurized to the high pressure reservoir 400 through the gas reservoir 300, so that the outlet pipe of the high pressure reservoir 400 flows out the liquid through the fourth branch, and the second branch and the fourth branch are combined into the fifth branch to reach the workpiece 500 to be tested. When the gas pressure test is carried out, the gas in the gas storage 300 is directly connected to the workpiece to be tested from the second branch, when the hydraulic pressure test is carried out, the gas in the gas storage 300 presses the liquid in the high-pressure water storage 400, and the liquid is connected to the workpiece to be tested from the fourth branch. According to the integrated double-medium pressure test device, on the premise of double-medium pressure test, the same workpiece can reduce frequent interface disassembly, the risk of equipment damage is well avoided, and the risk of pressure control lag is reduced by taking high-pressure gas as a pressure source.
According to an aspect of the present invention, the high pressure reservoir 400 is divided into a first sub portion and a second sub portion, the first sub portion is located at an upper portion of the high pressure reservoir 400 for storing gas, and the second sub portion is located at a lower portion of the high pressure reservoir 400 for storing liquid. The high pressure reservoir 400 reserves a space for the first section of air to be directly connected to the gas accumulator 300, and the gas accumulator 300 pressurizes the gas of the first section when performing the hydraulic test, thereby pressurizing and delivering the liquid of the high pressure reservoir 400 to the workpiece 500 to be tested.
As shown in fig. 2, according to an aspect of the present invention, the dual medium pressure test apparatus further includes: the first manual valve 601 is connected between the external gas source 100 and the gas booster pump 200, and an outlet of the first manual valve 601 is connected with a driving gas inlet of the gas booster pump 200; a second manual valve 602 connected between the gas booster pump 200 and the gas storage 300; a third manual valve 603 and a first pressure reducing valve 604 provided on the first branch; a fourth manual valve 605 provided outside the first section; and a fifth manual valve 606 provided at the inlet of the high pressure reservoir 400. The manual valves are arranged, so that manual adjustment of gas transmission and liquid transmission is facilitated, and manual adjustment of circulation of double media in the double-medium pressure test process is guaranteed.
According to the utility model discloses an aspect, two medium pressure test device still includes: a first relief valve 701 provided between the gas booster pump 200 and the gas storage 300, and for communicating with the gas storage 300; a second relief valve 702 provided on the second branch; and a third relief valve 703 provided outside the first section. The first safety valve 701, the second safety valve 702 and the third safety valve 703 can protect the pipeline between the gas booster pump 200 and the gas storage 300, the pipeline of the second branch and the normal operation of the high-pressure water storage device 100, and when the pressure in the pipeline or the device exceeds the set pressure value of the safety valves, the pressure relief is automatically opened, so that the safety of the whole double-medium pressure test process is ensured, accidents are prevented, and the loss is reduced.
According to the utility model discloses an aspect, two medium pressure test device still includes: the first pressure detection unit 801 is arranged outside the external air source 100; a second pressure detecting unit 802 disposed between the gas booster pump 200 and the gas storage 300; a third pressure detecting unit 803 provided outside the first section of the high pressure reservoir 400; a fourth pressure detecting unit 804 disposed outside the pipe of the first branch; a fifth pressure detecting unit 805 provided outside the pipe of the second branch; a sixth pressure detecting unit 806 disposed outside the pipe of the fifth branch; and a liquid level detection unit 401 disposed outside the second section.
Specifically, the pressure detection unit can select a pressure transmitter, and can display the internal pressure of the equipment or the pipeline in real time. The first pressure detection unit 801 is arranged outside the external air source 100, a first pressure control valve is added between the external air source 100 and the first pressure detection unit 801, and the pressure measurement of the first pressure detection unit 801 can be performed only by opening the first pressure control valve. The second pressure detecting unit 802 is disposed between the gas booster pump 200 and the gas storage 300, and a second pressure control valve is added between a pipe between the gas booster pump 200 and the gas storage 300 and the second pressure detecting unit 802, and the pressure measurement of the second pressure detecting unit 802 can be performed only by opening the second pressure control valve. The third pressure detecting unit 803 is disposed outside the first section of the high pressure reservoir 400, and a third pressure control valve is added between the first section of the high pressure reservoir 400 and the third pressure detecting unit 803, and the pressure measurement of the third pressure detecting unit 803 is performed only by opening the third pressure control valve. The fourth pressure detecting unit 804 is disposed outside the pipeline of the first branch, and a fourth pressure control valve is added between the pipeline of the first branch and the fourth pressure detecting unit 804, so that the pressure measurement of the fourth pressure detecting unit 803 can be performed only by opening the fourth pressure control valve. The fifth pressure detecting unit 805 is disposed outside the pipe of the second branch, and a fifth pressure control valve is added between the pipe of the second branch and the fifth pressure detecting unit 805, so that the pressure measurement of the fifth pressure detecting unit 803 can be performed only by opening the fifth pressure control valve. The sixth pressure detecting unit 806 is disposed outside the pipe of the fifth branch, and a sixth pressure control valve is added between the pipe of the fifth branch and the sixth pressure detecting unit 806, so that the pressure measurement of the sixth pressure detecting unit 803 can be performed only by opening the sixth pressure control valve.
According to the utility model discloses an aspect, in order to increase the controllability of two medium pressure test device, need set up the automated control that some motorised valves accomplished two medium pressure test device. With continued reference to figure 2, wherein the electrically operated valve comprises: the first electric valve 901 is arranged between the external gas source 100 and the gas booster pump 200 in parallel with the first manual valve 601, and an outlet of the first electric valve 901 is used for being communicated with a medium gas inlet of the gas booster pump 200; the second electric valve 902 is arranged on the second branch and used for controlling the on-off of the second branch; a third electric valve 903 arranged on the third branch for controlling the on-off of the third branch; a fourth electric valve 904, which is arranged on the fourth branch and is used for controlling the on-off of the fourth branch; and a fifth electric valve 905 arranged on an outlet pipeline of the tested workpiece 500 and used for controlling the pressure relief of the tested workpiece 500.
Specifically, the pressurizing process of the gas storage 300 is as follows: setting a first preset pressure value of the gas storage 300, collecting the first pressure value of the fourth pressure detection unit 804, and if the first pressure value is lower than the first preset pressure value, opening the first electric valve 901; if the first pressure value reaches the first preset pressure value, the first electric valve 901 is closed, and the pressurization process of the gas storage 300 is completed.
Secondly, the process of the air pressure test in the double-medium pressure test is as follows: setting a second preset pressure value of the tested workpiece 500 during the air pressure test, acquiring a second pressure value of the sixth pressure detection unit 806, and if the second pressure value is lower than the second preset pressure value, opening the second electric valve 902; if the second pressure value reaches a second preset pressure value, the second electrically operated valve 902 is closed; after the tested workpiece 500 reaches the pressure maintaining set time at the second preset pressure value, the fifth electric valve 905 is opened to release the pressure until the second pressure value of the sixth pressure detection unit 806 is zero, and the air pressure test process is completed.
Further, the filling process of the high pressure water reservoir 400 is: setting a preset level value of the high-pressure water receiver 400, collecting a real-time level value of the liquid level detection unit 401, and if the real-time level value is lower than the preset level value, opening a water inlet pipe of the high-pressure water receiver 400; if the real-time level value reaches the preset level value, the water inlet pipe of the high-pressure water receiver 400 is closed, and the water filling process of the high-pressure water receiver 400 is completed.
Finally, the hydraulic test process in the double-medium pressure test is as follows: setting a third preset pressure value of the tested workpiece 500 in the hydraulic test, acquiring the third pressure value of the sixth pressure detection unit 806, if the third pressure value is lower than the third preset pressure value, opening the third manual valve 603, the third electric valve 903 and the fourth electric valve 904, applying the gas in the gas storage 300 to the liquid in the second part of the high-pressure water storage 500 by adjusting the first pressure reducing valve 604, and enabling the liquid to flow out to the tested workpiece 500 under high pressure until the liquid fills the whole tested workpiece 500; if the third pressure value reaches a third preset pressure value, the fourth electric valve 904 is closed; after the tested workpiece 500 reaches the pressure maintaining set time at the third preset pressure value, the fifth electric valve 905 is opened to release the pressure until the third pressure value of the sixth pressure detection unit 806 is zero, and the hydraulic test process is completed.
The double-medium pressure test device can realize the automation of the control of the inflation process, the water filling process, the air pressure test process and the water pressure test process, and the liquid and the gas are freely switched as the pressurizing medium, so that the integration level of the device is improved, the disassembly and assembly time and the labor cost are reduced, and the working efficiency is improved.
According to the utility model discloses an aspect, two medium pressure test device still includes: a first check valve 101 disposed between the gas booster pump 200 and the gas storage 300; a second check valve 102 provided on the second branch; and a third check valve 103 provided in the fourth branch. As shown in fig. 2, the first check valve 101 prevents gas from flowing back between the gas booster pump 200 and the gas accumulator 300, the second check valve 102 prevents gas or liquid from flowing back in the fifth branch on the inlet line of the second electric valve 902 in the second branch, and the third check valve 103 prevents liquid from flowing back in the fourth branch on the inlet line of the fourth electric valve 904 in the fourth branch.
According to an aspect of the present invention, in order to ensure the purity of the dual media, the dual media pressure testing apparatus further comprises a first filter 201 disposed between the gas booster pump 200 and the gas storage 300, and a second filter 202 disposed on the inlet pipe of the high pressure water storage 400. The first filter 201 can filter the gas entering the gas storage 300, improving the gas cleanliness, and the second filter 202 can filter the liquid entering the high pressure water storage 400, improving the liquid cleanliness. The smooth circulation of gas and liquid is guaranteed during the double-medium pressure test, and the stability of the pressure of the tested workpiece 500 in the pressure maintaining process of the pressure test is guaranteed.
According to the utility model discloses an aspect, two medium pressure test device still includes: and the control module is used for collecting signals of the first pressure detection unit 801, the second pressure detection unit 802, the third pressure detection unit 803, the fourth pressure detection unit 804, the fifth pressure detection unit 805, the sixth pressure detection unit 806 and the liquid level detection unit 401, and analyzing the signals to act on the first electric valve 901, the second electric valve 902, the third electric valve 903, the fourth electric valve 904 and the fifth electric valve 905.
Specifically, in the pressurizing process of the gas storage 300, the detection result of the fourth pressure detection unit 804 can control the on-off of the first electric valve 901; the detection result of the sixth pressure detection unit 806 in the air pressure test process can control the on-off of the second electric valve 902 and the fifth electric valve 905; in the water filling process of the high-pressure water receiver 400, the on-off of the water inlet pipe is controlled by monitoring the liquid level detection unit 401; the detection result of the sixth pressure detection unit 806 in the hydraulic test process can control the on/off of the fourth electric valve 904 and the fifth electric valve 905.
The specific control method of the control module further includes setting a fourth preset pressure value of the high-pressure water reservoir 400, acquiring a fourth pressure value of the third pressure detection unit 803, and if the fourth pressure value is lower than the fourth preset pressure value, opening the third electric valve 903; if the fourth pressure value reaches a fourth preset pressure value, the third electric valve 903 is closed. And setting a low level threshold value and a high level threshold value of the high-pressure water receiver 400, acquiring a real-time level value of the hydraulic detection unit 401, and sending an alarm signal if the real-time level value reaches the low level threshold value or the high level threshold value.
The first pressure detection unit 801, the second pressure detection unit 802 and the fifth pressure detection unit 805 can be arranged to monitor pressure of an operator more comprehensively, pressure of each device of the double-medium pressure test device is guaranteed to be visible, and timely handling of the operator is facilitated when dangerous factors are found.
The integrated automatic control equipment with the pressure detection unit and the electric valve has the capability of automatically processing the on-off of the electric valve in the air pressure and water pressure process, and can reduce frequent disassembly of interfaces of the same workpiece on the premise of double-medium pressure test, thereby well avoiding the risk of equipment damage and the risk of pressure control lag.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A dual media pressure test device, comprising:
a gas booster pump (200), a gas reservoir (300) and a high pressure water reservoir (400);
an external gas source (100) is subjected to gas pressurization through the gas booster pump (200) and then is transmitted to the gas storage device (300);
the gas flows out of the gas storage (300), then passes through the first branch and then is divided into a second branch and a third branch, the second branch leads to a workpiece (500) to be tested, and the third branch leads to the high-pressure water storage device (400);
liquid flows into the high-pressure water storage device (400) from a water inlet pipe, and flows out from a water outlet pipe to pass through a fourth branch, and the second branch and the fourth branch are combined into a fifth branch to reach the tested workpiece (500).
2. The dual media pressure test device of claim 1, wherein said high pressure reservoir further comprises:
a first section located at an upper portion of the high pressure reservoir (400) for storing gas;
a second subsection located at a lower portion of the high pressure reservoir (400) for storing liquid.
3. The dual media pressure test device of claim 2, further comprising:
the first manual valve (601) is connected between the external gas source (100) and the gas booster pump (200), and the outlet of the first manual valve (601) is connected with the driving gas inlet of the gas booster pump (200);
a second manual valve (602) connected between the gas booster pump (200) and the gas storage (300);
a third manual valve (603) and a first pressure reducing valve (604) provided on the first branch;
a fourth manual valve (605) disposed outside the first section;
a fifth manual valve (606) provided at a water inlet of the high pressure reservoir (400).
4. The dual media pressure test device of claim 2, further comprising:
a first relief valve (701) provided between the gas booster pump (200) and the gas storage (300) and for communicating with the gas storage (300);
a second relief valve (702) disposed on the second branch;
a third relief valve (703) disposed outside the first section.
5. The dual media pressure test device of claim 2, further comprising:
the first pressure detection unit (801) is arranged outside the external air source (100);
a second pressure detection unit (802) disposed between the gas booster pump (200) and the gas storage (300);
a third pressure detecting unit (803) provided outside the first section of the high pressure reservoir (400);
a fourth pressure detection unit (804) disposed outside the pipe of the first branch;
a fifth pressure detection unit (805) disposed outside the duct of the second branch;
a sixth pressure detection unit (806) disposed outside the duct of the fifth branch;
a liquid level detection unit (401) arranged outside the second subsection.
6. The dual media pressure test device of claim 5, further comprising:
a first pressure control valve disposed between the external gas source (100) and the first pressure detection unit (801);
a second pressure control valve disposed between a pipe between the gas booster pump (200) and the gas storage (300) and the second pressure detection unit (802);
a third pressure control valve provided between the first section of the high pressure reservoir (400) and the third pressure detecting unit (803);
a fourth pressure control valve provided between the pipe of the first branch and the fourth pressure detecting unit (804);
a fifth pressure control valve provided between the pipe of the second branch and the fifth pressure detecting unit (805);
a sixth pressure control valve provided between the pipe of the fifth branch and the sixth pressure detecting unit (806).
7. The dual media pressure test device of claim 1, further comprising:
the first electric valve (901) is arranged between the external gas source (100) and the gas booster pump (200), and the outlet of the first electric valve (901) is used for being communicated with the medium gas inlet of the gas booster pump (200);
the second electric valve (902) is arranged on the second branch and used for controlling the on-off of the second branch;
the third electric valve (903) is arranged on the third branch and used for controlling the on-off of the third branch;
and the fourth electric valve (904) is arranged on the fourth branch and is used for controlling the on-off of the fourth branch.
8. The dual media pressure test device of claim 7, further comprising:
and the fifth electric valve (905) is arranged on an outlet pipeline of the tested workpiece (500) and is used for controlling the pressure relief of the tested workpiece (500).
9. The dual media pressure test device of claim 1, further comprising:
a first check valve (101) disposed between the gas booster pump (200) and the gas storage (300);
a second check valve (102) disposed on the second branch;
a third check valve (103) disposed on the fourth branch.
10. The dual media pressure test device of claim 1, further comprising:
a first filter (201) disposed between the gas booster pump (200) and the gas storage (300);
a second filter (202) disposed on an inlet conduit of the high pressure reservoir (400).
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CN202020206576.4U CN212008140U (en) | 2020-02-25 | 2020-02-25 | Double-medium pressure test device |
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CN202020206576.4U CN212008140U (en) | 2020-02-25 | 2020-02-25 | Double-medium pressure test device |
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2020
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