CN209416669U - A kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device - Google Patents
A kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device Download PDFInfo
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- CN209416669U CN209416669U CN201821844274.9U CN201821844274U CN209416669U CN 209416669 U CN209416669 U CN 209416669U CN 201821844274 U CN201821844274 U CN 201821844274U CN 209416669 U CN209416669 U CN 209416669U
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Abstract
The device of the utility model discloses a kind of voltage endurance capability for detecting high-pressure fluid device and percolation ratio, including pressure monitor system, respectively the high pressure generating system that connect with pressure monitor system and the low pressure transfusion system for controlling and recording system, being connect with high pressure generating system connect with detection high-pressure fluid device.The beneficial effects of the utility model are: the utility model directly can measure absolute percolation ratio of the component under the pressure condition similar with actual working environment to fast precise；Originally practical directly to detect leakage or measurement percolation ratio.
Description
Technical field
The utility model relates to high pressure vacuum device to test technical fields, are a kind of for detecting high-pressure spray specifically
The voltage endurance capability of body device and the device of percolation ratio.
Background technique
High pressure and vacuum plant are industry, are widely applied in Laboratory Instruments equipment, and device is due to current sealing technique
Limitation, is inevitably present leakage problem.And in many cases, amount of leakage and allow amount of leakage be all it is very small, it is existing
Some leak detection technologies are not suitable for these scenes but.For example, the detection efficiency of air pressure water seaoning, ultrasonic Detection Method is low,
Minute leakage can not be detected.Pressure-decay method is with a long history, strong operability, although can be used for measuring Micro blazed-grating and assess close
Effect is sealed, absolute breakthrough rate (fluid volume revealed in the unit time) can not be measured, although can estimate according to pressure drop
Volume is revealed out, but formula depends on the elasticity modulus of pressure medium.If therefore calculating absolute breakthrough rate accordingly, need stringent
Pressure medium is controlled, therefore this is a kind of method of indirect determination percolation ratio.And utilize the detection method of special chemical gas
Such as helium mass spectrometer leak detector, Monitoring lower-cut is very low, facilitates positioning leak point, but can not accurately measure amount of leakage.Furthermore many is used for
The air locking of special gas or liquid can not directly detect leakage or measurement percolation ratio.
Utility model content
The voltage endurance capability that the purpose of this utility model is to provide a kind of for detecting high-pressure fluid device and percolation ratio
Device directly can measure absolute leakage of the component under the pressure condition similar with actual working environment to fast precise
Rate；Directly detection leakage or measurement percolation ratio.
The utility model is achieved through the following technical solutions:
A kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device, including with detection high-pressure fluid device
Pressure monitor system, the high pressure generating system that connect respectively with pressure monitor system and the control of part connection and record system and
The low pressure transfusion system of high pressure generating system connection.
Further, in order to preferably realize the utility model, the high pressure generating system include high-pressure plunger pump ontology,
Plunger and the high-pressure plunger pump drive moved in high-pressure plunger pump ontology for plunger, the high-pressure plunger pump ontology
It is connect respectively with low pressure transfusion system and pressure monitor system；The high-pressure plunger pump drive and control connect with record system
It connects；The plunger is connected with grating scale sensor, and the grating scale sensor is connect with control with record system.
Further, in order to preferably realize that the utility model, the low pressure transfusion system include fore pump, pass through pipeline
The A shut-off valve being connect with fore pump；Between the A shut-off valve setting high-pressure plunger pump ontology and fore pump, the A shut-off valve is remote
One end from fore pump is connect by pipeline with high-pressure plunger pump ontology.
It further, further include connecting B waste liquid bottle with high-pressure fluid device in order to preferably realize the utility model；Institute
It states B waste liquid bottle and high-pressure fluid device is provided with B shut-off valve.
It further, further include the A liquid storage bottle being connect with fore pump in order to preferably realize the utility model.
Further, in order to preferably realize the utility model, the pressure monitor system is pressure sensor；The pressure
The model OMEGA PX01C0-30KA5T of force snesor.
Further, in order to preferably realize the utility model, the control is single-chip microcontroller, FPGA, DSP with record system
One of.
The utility model compared with prior art, have the following advantages that and the utility model has the advantages that
(1) the utility model directly can measure component in the pressure strip similar with actual working environment to fast precise
Absolute percolation ratio under part；
(2) the utility model can directly detect leakage or measurement percolation ratio；
(3) the utility model property simple and practical in structure is strong.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Wherein 1- fore pump, 2- pipeline, 3-A shut-off valve, 4- high pressure generating system, 5- pressure monitor system, 6- high-pressure spray
Body device, 7-B shut-off valve, 8-B waste liquid bottle, 9- control and record system, 10- high-pressure plunger pump drive, 11-A liquid storage bottle.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
The utility model is described in further detail below with reference to embodiment, but the embodiments of the present invention is not
It is limited to this.
Embodiment 1:
The utility model is achieved through the following technical solutions, as shown in Figure 1, a kind of for detecting the resistance to of high-pressure fluid device
The device of pressure energy power and percolation ratio, including with detection high-pressure fluid device 6 connect pressure monitor system 5, respectively with pressure prison
The high pressure generating system 4 and control that examining system 5 connects are infused with record system 9, the low pressure connecting with high pressure generating system 4 and are
System.
The low pressure transfusion system, high pressure generating system 4, high-pressure fluid device 6 are sequentially connected by pipeline.
It should be noted that low pressure transfusion system continuous infusion, liquid passes through high pressure generating system 4 by above-mentioned improvement
Into high-pressure fluid device 6, so that liquid is full of high-pressure fluid device 6；The fluid outlet of high-pressure fluid device 6 is sealed
It closes, when liquid passes through high pressure generating system 4, high pressure generating system 4 compresses liquid so that liquid reaches specified pressure, i.e.,
Pressure drop can be obtained using pressure reduction values divided by transformation period by 5 real-time detection of pressure monitor system to pressure change
Thus rate can assess the sealing condition of workpiece to characterize the pressure maintaining ability of high-pressure fluid device 6.
System pressure can also be kept to stablize near specified pressure value in use, by dynamically adjusting high pressure
Raw system 4 calculates leak fluid volume whithin a period of time, and absolute permeability can be obtained divided by the time in leak fluid.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 2:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, further, in order to more preferable
Realization the utility model, the high pressure generating system 4 include high-pressure plunger pump ontology, plunger and for plunger in high-pressure column
Plug pump ontology in move high-pressure plunger pump drive 10, the high-pressure plunger pump ontology respectively with low pressure transfusion system and pressure
Power monitors system 5 and connects；The high-pressure plunger pump drive 10 is connect with control with record system 9；The outside of the plunger
Face is equipped with grating scale sensor, the grating scale sensor and control and record 9 communication connection of system.
Plunger is connect with grating scale, then can directly obtain the digital or analog signal of moving distance.
It should be noted that, when carrying out pressure maintaining aptitude tests, high pressure generating system 4 is mainly used to by above-mentioned improvement
The high pressure of simulation workpiece working environment is generated, control provides power, grating scale sensor essence with record system 9 for plunger is mobile
Data information transfer simultaneously to control and is recorded system 9 by true reaction plunger position or displacement.
Using low pressure transfusion system continuous infusion, make hydraulically full in high-pressure fluid device 6.To high-pressure fluid device 6
Fluid outlet sealing, high-pressure plunger pump drive 10 control ram compression liquid and the liquid in high-pressure fluid device 6 are reached
To specified pressure.The pressure change in a period of time in plunger monitoring high-pressure fluid device 6, pressure drop can be locked later
Low value can characterize the pressure maintaining ability of workpiece divided by time, as pressure drop rate, thus can assess the sealing situation of workpiece.
When carrying out absolute permeability test, keeps system pressure to stablize near specified pressure, pass through high-pressure plunger pump
Driving device 10 dynamically adjusts the movement of plunger, and it is intrinsic in high-pressure plunger that grating scale sensor records a period of time inner plunger
Mobile distance can calculate the liquid volume leaked during this in conjunction with diameter of plunger.Leak fluid is divided by the time
It is absolute percolation ratio that absolute permeability, which can be obtained,.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 3:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, the low pressure transfusion system packet
The A shut-off valve 3 for including fore pump 1, being connect by pipeline 2 with fore pump 1；High-pressure plunger pump ontology is arranged with before in the A shut-off valve 3
Between grade pump 1, the one end of the A shut-off valve 3 far from fore pump 1 is connect by pipeline 2 with high-pressure plunger pump ontology.
It should be noted that the entrance sucking liquid of fore pump 1 is simultaneously defeated by A shut-off valve 3 by liquid by above-mentioned improvement
High-pressure plunger pump ontology is arrived out, and liquid is being transported to by pressure monitor system 5 by high-pressure fluid device by high pressure generating system 4
In part 6.A shut-off valve 3 and B shut-off valve 7 effectively guarantee that the liquid in high-pressure fluid device 6 does not flow, and stablizes its pressure.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 4:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, further, in order to more preferable
Realization the utility model, further include connecting B waste liquid bottle 8 with high-pressure fluid device 6；The B waste liquid bottle 8 and high-pressure fluid device
6 are provided with B shut-off valve 7.
It further, further include the A liquid storage bottle 11 being connect with fore pump 1 in order to preferably realize the utility model.
Further, in order to preferably realize the utility model, the pressure monitor system 5 is pressure sensor；It is described
The model OMEGA PX01C0-30KA5T of pressure sensor.
Further, in order to preferably realize the utility model, the control and record system 9 be single-chip microcontroller, FPGA,
One of DSP.
It should be noted that the technologies such as single-chip microcontroller, FPGA, DSP can be used with record system 9 in control by above-mentioned improvement
It realizes.Control in the present apparatus and record system 9 simultaneously have no special requirements, it might even be possible to use the electronic building blocks sold in Taobao
Arduino and stepper motor driving plate are realized.
It, can when high-pressure plunger pump drive 10 in the utility model is used using stepper motor+lead screw, nut driving
Encoder is installed on motor shaft, thus can measure and obtain the rotation angle of motor, the position of plunger can be obtained according to transmission ratio
Move distance.
Control and record system 9, pressure sensor, high pressure generating system, high-pressure plunger pump in the utility model drive
Device 10 is the prior art, and already highly developed high performance liquid chromatograph device institute can be used in high-pressure plunger pump, pressure sensor
Same money component.
The improvement of the utility model is not belonging to the improvement of the internal structure of upper-part, its internal junction that so it will not be repeated
Structure.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the protection scope of the utility model.
Claims (7)
1. a kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device, it is characterised in that: including with detection
The pressure monitor system (5) of high-pressure fluid device (6) connection, the high pressure generating system being connect respectively with pressure monitor system (5)
(4) it and controls and record system (9), the low pressure transfusion system being connect with high pressure generating system (4).
2. a kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device according to claim 1,
Be characterized in that: the high pressure generating system (4) includes high-pressure plunger pump ontology, plunger and is used for plunger in high-pressure plunger pump sheet
The high-pressure plunger pump drive (10) moved in vivo, the high-pressure plunger pump ontology are supervised with low pressure transfusion system and pressure respectively
Examining system (5) connection；The high-pressure plunger pump drive (10) connect with control with record system (9)；The plunger connection
There is grating scale sensor, the grating scale sensor is connect with control with record system (9).
3. a kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device according to claim 2,
Be characterized in that: the low pressure transfusion system includes fore pump (1), passes through the A shut-off valve that pipeline (2) are connect with fore pump (1)
(3)；Between A shut-off valve (3) the setting high-pressure plunger pump ontology and fore pump (1), the A shut-off valve (3) is far from fore pump
(1) one end is connect by pipeline (2) with high-pressure plunger pump ontology.
4. a kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device according to claim 2,
It is characterized in that: further including connecting B waste liquid bottle (8) with high-pressure fluid device (6)；The B waste liquid bottle (8) and high-pressure fluid device
(6) B shut-off valve (7) are provided with.
5. a kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device according to claim 3,
It is characterized in that: further including the A liquid storage bottle (11) being connect with fore pump (1).
6. a kind of voltage endurance capability and percolation ratio for detecting high-pressure fluid device according to claim 1-5
Device, it is characterised in that: the pressure monitor system (5) is pressure sensor；The model OMEGA of the pressure sensor
PX01C0-30KA5T。
7. a kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device according to claim 6,
Be characterized in that: the control is one of single-chip microcontroller, FPGA, DSP with record system (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844274.9U CN209416669U (en) | 2018-11-09 | 2018-11-09 | A kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844274.9U CN209416669U (en) | 2018-11-09 | 2018-11-09 | A kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209416669U true CN209416669U (en) | 2019-09-20 |
Family
ID=67933512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821844274.9U Active CN209416669U (en) | 2018-11-09 | 2018-11-09 | A kind of device of voltage endurance capability and percolation ratio for detecting high-pressure fluid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209416669U (en) |
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2018
- 2018-11-09 CN CN201821844274.9U patent/CN209416669U/en active Active
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Effective date of registration: 20230724 Address after: 610, Floor 6, Block A, No. 2, Lize Middle Second Road, Chaoyang District, Beijing 100102 Patentee after: Zhongguancun Technology Leasing Co.,Ltd. Address before: No. 701 and 709, 7th floor, building 15, No. 1999, Yizhou Avenue, Chengdu hi tech Zone, Chengdu pilot Free Trade Zone, Sichuan 610041 Patentee before: CHENGDU KERUI TECHNOLOGY Co.,Ltd. |