CN209069746U - A kind of high precision low pressure hydraulic pressure test platform - Google Patents
A kind of high precision low pressure hydraulic pressure test platform Download PDFInfo
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- CN209069746U CN209069746U CN201821627092.6U CN201821627092U CN209069746U CN 209069746 U CN209069746 U CN 209069746U CN 201821627092 U CN201821627092 U CN 201821627092U CN 209069746 U CN209069746 U CN 209069746U
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Abstract
The utility model discloses a kind of high precision low pressure hydraulic pressure test platforms, including gas source input port and medium input port, gas source input port connects the entrance of pressure reducing valve one by ball valve one and filter one, the outlet of pressure reducing valve one is connected with the entrance of pressure reducing valve two, the outlet of pressure reducing valve two is connected with the entrance of pressure chamber one by electric Proportion valve one and check valve one, the outlet of pressure reducing valve two is connected with the entrance of pressure chamber two by electric Proportion valve two and check valve two, the outlet of pressure reducing valve one is connected with the entrance of pressure chamber three by electric Proportion valve three and check valve three, medium input port connects the entrance of filter two by ball valve.The utility model accurately controls input gas source by pressure gauge and electric Proportion valve, is compressed by inputting gas to medium, realizes that pressure decay rate is controllable, decompression range is adjustable；The utility model can collection medium output pressure in real time, and be able to achieve long-range control.
Description
Technical field
The utility model relates to pressure control technical fields, it particularly relates to a kind of high precision low pressure hydraulic pressure test platform.
Background technique
With the continuous development of aerospace, petrochemical industry, machinery industry, also gradually have to various detection devices newly
It is required that such as needing in many tests using water as tested media, and control its output for carrying out lower pressure.
Low pressure hydraulic pressure testboard at present, it is most of that pressurization output is carried out to medium by pump, it can deposit during the test
In following problems: (1) manual voltage regulation, the pressure value error finally adjusted is very big, if outlet pressure is the survey for precision instrument
Examination, then it is very undesirable；(2) traditional hydraulic pressure test platform is exported by pump, can not be controlled well when hypotony,
Final output error is larger；(3) due to the decrement very little of water, when conventional measurement test stand carries out medium output by pump, output
It is pulsed, output pressure has fluctuation, can not be assessed well test result.
Therefore, it is badly in need of a kind of low pressure hydraulic pressure testboard that can overcome disadvantages mentioned above.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of high precision low pressure hydraulic pressure test platform,
The above-mentioned deficiency of the prior art can be overcome.
To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of high precision low pressure hydraulic pressure test platform, including gas source input port and medium input port, the gas source input port
The entrance of pressure reducing valve one is connected by ball valve one and filter one, the outlet of the pressure reducing valve one is connected with entering for pressure reducing valve two
Mouthful, the outlet of the pressure reducing valve two is connected with the entrance of pressure chamber one, the decompression by electric Proportion valve one and check valve one
The outlet of valve two is connected with the entrance of pressure chamber two by electric Proportion valve two and check valve two, and the outlet of the pressure reducing valve one is logical
It crosses electric Proportion valve three and check valve three is connected with the entrance of pressure chamber three, the medium input port is connected by ball valve and filtered
The outlet of the entrance of device two, the filter two is connect by ball valve one with the entrance of pressure chamber one, and the filter two goes out
Mouth is connect by ball valve two with the entrance of pressure chamber two, and the outlet of the filter two passes through the entrance of ball valve three and pressure chamber three
The pipeline of connection, two exit of filter is connect by ball valve four with water tank, and the outlet of the pressure chamber one passes through filtering
Device three is connect with one end of one pipeline of solenoid valve, and the other end of one pipeline of solenoid valve connect or leads to medium delivery outlet one
It crosses solenoid valve two and ball valve five is connect with medium delivery outlet one, the outlet of the pressure chamber two passes through filter four and solenoid valve three
One end of pipeline connects, and the other end of three pipeline of solenoid valve connect with medium delivery outlet two or by solenoid valve four and ball
Valve six is connect with medium delivery outlet two, and the outlet of the pressure chamber three passes through solenoid valve six by filter five and solenoid valve
It is connect with ball valve seven with medium delivery outlet three, the pipeline between the solenoid valve one and medium delivery outlet one is equipped with pressure gauge one
With pressure sensor one, the pipeline between the solenoid valve three and medium delivery outlet two is equipped with pressure gauge two and pressure sensor
Two, the pipeline between the solenoid valve five and medium delivery outlet three is equipped with pressure gauge three and pressure sensor three.
Further, the pipeline in the exit of the pressure reducing valve one is equipped with pressure gauge one, and the pressure gauge one is used for
Measure the pressure in one exit of pressure reducing valve.
Further, the pipeline in the exit of the pressure reducing valve two is equipped with pressure gauge two, and the pressure gauge two is used for
Measure the pressure in two exit of pressure reducing valve.
Further, the pressure sensor one, pressure sensor two and pressure sensor three are respectively connected with long-range control
Device.
Further, the solenoid valve one, solenoid valve two, solenoid valve three, solenoid valve four, solenoid valve five and solenoid valve six are equal
It is connect with the remote controllers.
The utility model has the beneficial effects that the utility model carries out essence to input gas source by pressure gauge and electric Proportion valve
Really control compresses medium by inputting gas, realizes that pressure decay rate is controllable, decompression range is adjustable；The utility model energy
Enough real-time collection medium output pressures, and it is able to achieve long-range control.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of system flow principle of high precision low pressure hydraulic pressure test platform according to the utility model embodiment
Figure；
In figure: 1, ball valve one；2, filter one；3, pressure reducing valve one；4, pressure gauge four；5, pressure reducing valve two；6, pressure gauge five；
7, electric Proportion valve one；8, electric Proportion valve two；9, electric Proportion valve three；10, ball valve；11, filter two；121, pressure chamber
One；122, pressure chamber two；123, pressure chamber three；13, water tank；131, filter three；132, filter four；133, filter five；
141, solenoid valve one；142, solenoid valve two；143, solenoid valve three；144, solenoid valve four；145, solenoid valve five；146, solenoid valve
Six；151, ball valve five；152, ball valve six；153, ball valve seven；16, pressure gauge one；17, pressure gauge two；18, pressure gauge three；19, it presses
Force snesor one；20, pressure sensor two；21, pressure sensor three；22, gas source input port；23, medium input port；24, it is situated between
Matter delivery outlet one；25, medium delivery outlet two；26, medium delivery outlet three.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in Figure 1, a kind of high precision low pressure hydraulic pressure test platform according to the utility model embodiment, including gas source
Input port 22 and medium input port 23, the gas source input port connect pressure reducing valve 1 by ball valve 1 and filter 1
Entrance, the outlet of the pressure reducing valve 1 are connected with the entrance of pressure reducing valve 25, and the outlet of the pressure reducing valve 25 passes through electrical ratio
Valve 1 and check valve 1 are connected with the entrance of pressure chamber 1, and the outlet of the pressure reducing valve 25 passes through electric Proportion valve two
8 and check valve 2 222 be connected with the entrance of pressure chamber 2 122, the outlet of the pressure reducing valve 1 passes through 39 He of electric Proportion valve
Check valve 3 223 is connected with the entrance of pressure chamber 3 123, and the medium input port connects filter 2 11 by ball valve 10
The outlet of entrance, the filter 2 11 is connect by ball valve 1 with the entrance of pressure chamber 1, the filter 2 11
Outlet connect with the entrance of pressure chamber 2 122 by ball valve 2 102, the outlet of the filter 2 11 passes through ball valve 3 103
It being connect with the entrance of pressure chamber 3 123, the pipeline in 2 11 exit of filter is connect by ball valve 4 104 with water tank 13,
The outlet of the pressure chamber 1 is connect by filter 3 131 with one end of one 141 pipeline of solenoid valve, the solenoid valve one
The other end of 141 pipelines connect with medium delivery outlet one or by solenoid valve 2 142 and ball valve 5 151 and medium delivery outlet one
The outlet of 24 connections, the pressure chamber 2 122 is connect by filter 4 132 with one end of 3 143 pipeline of solenoid valve, the electricity
The other end of 3 143 pipeline of magnet valve is connect with medium delivery outlet two or defeated by solenoid valve 4 144 and ball valve 6 152 and medium
2 25 connections are exported, the outlet of the pressure chamber 3 123 is connect by filter 5 133 with one end of 5 145 pipeline of solenoid valve,
The other end of 5 145 pipeline of solenoid valve connect with medium delivery outlet 3 26 or by solenoid valve 6 146 and ball valve 7 153
Connect with medium delivery outlet three, the pipeline between the solenoid valve 1 and medium delivery outlet one be equipped with pressure gauge 1 and
Pressure sensor 1, the pipeline between the solenoid valve 3 143 and medium delivery outlet two are equipped with pressure gauge 2 17 and pressure
Sensor 2 20, the pipeline between the solenoid valve 5 145 and medium delivery outlet three are equipped with pressure gauge 3 18 and pressure sensing
Device 3 21.
In one embodiment, the pipeline in the exit of the pressure reducing valve 1 is equipped with pressure gauge 44, the pressure
Power table 44 is used to measure the pressure in one 3 exit of pressure reducing valve.
In one embodiment, the pipeline in the exit of the pressure reducing valve 25 is equipped with pressure gauge 56, the pressure
Power table 56 is used to measure the pressure in 25 exit of pressure reducing valve.
In one embodiment, the pressure sensor 1, pressure sensor 2 20 and pressure sensor 3 21 are equal
It is connected with remote controllers.
In one embodiment, the solenoid valve 1, solenoid valve 2 142, solenoid valve 3 143, solenoid valve 4 144,
Solenoid valve 5 145 and solenoid valve 6 146 are connect with the remote controllers.
In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of practical new to this in specifically used mode
The above-mentioned technical proposal of type is described in detail.
According to a kind of high precision low pressure hydraulic pressure test platform described in the utility model, it is divided into gas source input and medium input two
Part, wherein control gas of the gas source importation as system is mainly used for adjusting the output pressure of medium；Medium input unit
It is allocated as being mainly used for testing for output medium.
Input gas passes through filter 1 first, is the various components at protective gas rear not by impurity effect.Simultaneously
Connection pressure reducing valve 1 is depressurized, and detects whether input gas is in normally-pressured neighbor by pressure gauge 44, test is situated between
Matter separately flows into pressure chamber 1, pressure chamber 2 122 and pressure chamber 3 123 by water tank.Input gas is divided into two at this time
Road enters pressure chamber three all the way, after another way passes through pressure reducing valve 25, confirms admission pressure by pressure gauge 56, is again split into
Two-way enters pressure chamber two all the way, enters pressure chamber three all the way.The purpose that gas is divided into three tunnels, which will be inputted, is, can be according to not
Same testing requirement passes through delicate electrical proportioning valve one, electric Proportion valve two and electric Proportion valve three and controls medium output difference
Pressure.
Delicate electrical proportioning valve one, electric Proportion valve two and electric Proportion valve threeway too far process control to the defeated of tested media
Pressure is controlled out, and the medium of output initially enters filter 3 131, filter 4 132 or filter 5 133, protection
Each components at medium rear are not by impurity effect, then pass through solenoid valve 1, solenoid valve 3 143 and solenoid valve 5 145 remotely
Realize the shutdown of medium.After test starts, pass through pressure sensor 1, pressure sensor 2 20, pressure sensor 3 21
And pressure gauge 1, pressure gauge 2 17, pressure gauge 3 18 show the different output pressure in three tunnels respectively, observe medium output pressure
Whether testing requirement is met.
After test, long-range pressure release is carried out by solenoid valve 2 142, solenoid valve 4 144 and solenoid valve 6 146, or
Person carries out manual pressure release by ball valve 5 151, ball valve 6 152 or ball valve 7 153, sufficiently ensures tester's safety.
In conclusion the utility model accurately controls input gas source by pressure gauge and electric Proportion valve, pass through
Input gas compresses medium, realizes that pressure decay rate is controllable, decompression range is adjustable；The utility model can acquire Jie in real time
Matter output pressure, and it is able to achieve long-range control.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of high precision low pressure hydraulic pressure test platform, which is characterized in that including gas source input port (22) and medium input port (23),
Entrance of the gas source input port by ball valve one (1) and filter one (2) connection pressure reducing valve one (3), the pressure reducing valve one
(3) outlet is connected with the entrance of pressure reducing valve two (5), and the outlet of the pressure reducing valve two (5) passes through electric Proportion valve one (7) and list
The entrance of pressure chamber one (121) is connected with to valve one (221), the outlet of the pressure reducing valve two (5) passes through electric Proportion valve two (8)
The entrance of pressure chamber two (122) is connected with check valve two (222), the outlet of the pressure reducing valve one (3) passes through electric Proportion valve
Three (9) and check valve three (223) are connected with the entrance of pressure chamber three (123), and the medium input port is connected by ball valve (10)
Connect the entrance of filter two (11), the outlet of the filter two (11) is entered by ball valve one (101) and pressure chamber one (121)
The outlet of mouth connection, the filter two (11) is connect by ball valve two (102) with the entrance of pressure chamber two (122), the mistake
The outlet of filter two (11) is connect by ball valve three (103) with the entrance of pressure chamber three (123), filter two (11) outlet
The pipeline at place is connect by ball valve four (104) with water tank (13), and the outlet of the pressure chamber one (121) passes through filter three
(131) it is connect with one end of solenoid valve one (141) pipeline, the other end and medium delivery outlet of solenoid valve one (141) pipeline
One connection is connect by solenoid valve two (142) and ball valve five (151) with medium delivery outlet one (24), the pressure chamber two
(122) outlet is connect by filter four (132) with one end of solenoid valve three (143) pipeline, solenoid valve three (143) pipe
The other end on road connect with medium delivery outlet two or by solenoid valve four (144) and ball valve six (152) and medium delivery outlet two
(25) it connects, the outlet of the pressure chamber three (123) is connected by one end of filter five (133) and solenoid valve five (145) pipeline
It connects, the other end of solenoid valve five (145) pipeline connect with medium delivery outlet three or by solenoid valve six (146) and ball valve
Seven (153) are connect with medium delivery outlet three (26), and the pipeline between the solenoid valve one (141) and medium delivery outlet one is equipped with
Pressure gauge one (16) and pressure sensor one (19) are set on the pipeline between the solenoid valve three (143) and medium delivery outlet two
There are a pressure gauge two (17) and pressure sensor two (20), on the pipeline between the solenoid valve five (145) and medium delivery outlet three
Equipped with pressure gauge three (18) and pressure sensor three (21).
2. a kind of high precision low pressure hydraulic pressure test platform according to claim 1, which is characterized in that the pressure reducing valve one (3)
The pipeline in exit be equipped with pressure gauge four (4), the pressure gauge four (4) is for measuring pressure reducing valve one (3) exit
Pressure.
3. a kind of high precision low pressure hydraulic pressure test platform according to claim 2, which is characterized in that the pressure reducing valve two (5)
The pipeline in exit be equipped with pressure gauge five (6), the pressure gauge five (6) is for measuring pressure reducing valve two (5) exit
Pressure.
4. a kind of high precision low pressure hydraulic pressure test platform according to claim 1, which is characterized in that the pressure sensor one
(19), pressure sensor two (20) and pressure sensor three (21) are respectively connected with remote controllers.
5. a kind of high precision low pressure hydraulic pressure test platform according to claim 4, which is characterized in that the solenoid valve one
(141), solenoid valve two (142), solenoid valve three (143), solenoid valve four (144), solenoid valve five (145) and solenoid valve six (146)
It is connect with the remote controllers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627092.6U CN209069746U (en) | 2018-10-08 | 2018-10-08 | A kind of high precision low pressure hydraulic pressure test platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627092.6U CN209069746U (en) | 2018-10-08 | 2018-10-08 | A kind of high precision low pressure hydraulic pressure test platform |
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| CN209069746U true CN209069746U (en) | 2019-07-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238919A (en) * | 2020-02-25 | 2020-06-05 | 蓝箭航天技术有限公司 | Double-medium pressure test device |
| CN111413205A (en) * | 2020-02-25 | 2020-07-14 | 蓝箭航天技术有限公司 | Double-medium pressure test system and method |
| CN112838281A (en) * | 2021-01-07 | 2021-05-25 | 广州擎天实业有限公司 | Negative pressure control method and system for formation of lithium ion battery |
-
2018
- 2018-10-08 CN CN201821627092.6U patent/CN209069746U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238919A (en) * | 2020-02-25 | 2020-06-05 | 蓝箭航天技术有限公司 | Double-medium pressure test device |
| CN111413205A (en) * | 2020-02-25 | 2020-07-14 | 蓝箭航天技术有限公司 | Double-medium pressure test system and method |
| CN112838281A (en) * | 2021-01-07 | 2021-05-25 | 广州擎天实业有限公司 | Negative pressure control method and system for formation of lithium ion battery |
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