CN207066664U - A kind of micro-pressure-difference induction measurement devices - Google Patents
A kind of micro-pressure-difference induction measurement devices Download PDFInfo
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- CN207066664U CN207066664U CN201720869309.3U CN201720869309U CN207066664U CN 207066664 U CN207066664 U CN 207066664U CN 201720869309 U CN201720869309 U CN 201720869309U CN 207066664 U CN207066664 U CN 207066664U
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- mounting box
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Abstract
The utility model discloses a kind of micro-pressure-difference induction measurement devices, including a mounting box, first circuit board and second circuit board are fixed with the mounting box, two inductive probes are equipped with the mounting box, two inductive probes are connected with the first circuit board and second circuit board, the upper surface of the mounting box is fixed with display screen, and the display screen is electrically connected with first circuit board and second circuit board, and the mounting box upper surface is outward extended with fixed plate；Mounting box is simple in construction, easy to assembly, and it is time saving and energy saving to install, display screen can real-time display measurement data, be user-friendly, measured using horizontally disposed inductive probe, pressure detection device is used as instead of flexible sheet, it is possible to increase measurement accuracy by the use of piston structure.
Description
Technical field
It the utility model is related to gasmetry instrument equipment, more particularly to a kind of micro-pressure-difference induction measurement devices.
Background technology
Differential pressure pick-up is a kind of sensor for being used for measuring difference between two pressure, is commonly used to measure a certain equipment
Or the pressure difference of part rear and front end.In recent years, differential pressure pick-up is close in micro-flow measurement, leakage test, clean room monitoring, environment
Many high-acruracy survey occasions such as the detection of envelope property, gas flow measurement, height of liquid level measurement suffer from being widely applied.
The fibre optic compression sensor of existing measurement fluid is using flexible sheet as pressure sensitive device, and flexible sheet is very
It is easily that arc deformation occurs in deformation by external interference, stability deficiency, flexible sheet, the measurement of deformation pressure is not
Standard easily causes error, and flexible sheet is easy to be damaged, and service life is shorter.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of service life length, elegant in appearance, surveys
The high micro-pressure-difference induction measurement devices of accuracy of measurement.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of micro-pressure-difference induction measurement devices, including a mounting box, first circuit board and are fixed with the mounting box
Two circuit boards, are equipped with two inductive probes on the mounting box, two inductive probes with the first circuit board and second
Circuit board connects, and the upper surface of the mounting box is fixed with display screen, the display screen and first circuit board and second circuit board
It is electrically connected with, the mounting box upper surface is outward extended with fixed plate.
As the further improvement of such scheme, the inductive probe includes the housing of an annular, the front end of the housing
It is provided with into valve, the rear end of the housing is provided with bonnet, and the housing inner peripheral surface is provided with least one sliver, institute vertically
State to slide in housing and be provided with a piston, the guide groove coordinated with sliver is provided with the piston, the rear end of the piston is fixed
There is a reflector, connected between the piston and bonnet by spring, covered after described and offer through hole, set in the through hole
There is a differential pressure probe, the differential pressure probe is electrically connected with first circuit board and second circuit board.
As the further improvement of such scheme, sealing ring is arranged with the outer peripheral face of the piston.
As the further improvement of such scheme, covered after described and be provided with pressure compensation through hole.
As the further improvement of such scheme, it is described enter valve in be provided with screen pack.
As the further improvement of such scheme, be provided with the mounting box can up and down lamination assembling mounting bracket, often
The upper surface of piece mounting bracket is provided with stopper slot, and the lower surface of every mounting bracket is provided with coordinates the spacing of buckle with stopper slot
Block.
The beneficial effects of the utility model：
A kind of micro-pressure-difference induction measurement devices of the utility model, mounting box is simple in construction, easy to assembly, installs time saving
It is laborsaving, display screen can real-time display measurement data, be user-friendly, measured using horizontally disposed inductive probe,
Pressure detection device is used as instead of flexible sheet, it is possible to increase measurement accuracy by the use of piston structure.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is part of the embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain according to these accompanying drawings
Other designs and accompanying drawing：
Fig. 1 is the utility model preferred embodiment top view；
Fig. 2 is the utility model preferred embodiment sectional view；
Fig. 3 is the sectional view of the utility model preferred embodiment inductive probe.
Embodiment
Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection
Enclose.
Referring to figs. 1 to Fig. 3, a kind of micro-pressure-difference induction measurement devices, an including mounting box 1, it is fixed with the mounting box 1
First circuit board 2 and second circuit board 3, are equipped with two inductive probes 4 on the mounting box 1, and two inductive probes 4 are and institute
State first circuit board 2 and second circuit board 3 connect, the upper surface of the mounting box 1 is fixed with display screen 5, the display screen 5 with
First circuit board 2 and second circuit board 3 are electrically connected with, and the upper surface of mounting box 1 is outward extended with fixed plate 6, the energy of fixed plate 6
Enough facilitate the fixation during use of mounting box 1.
Be provided with the mounting box 1 can up and down lamination assembling mounting bracket 7, the upper surface of every mounting bracket 7 is provided with
Stopper slot, the lower surface of every mounting bracket 7 is provided with the limited block for coordinating buckle with stopper slot, according to the quantity of circuit board and position
Put, can freely increase and decrease the quantity of mounting bracket 7, be adapted to the micro-pressure-difference induction measurement devices structure of different size type, mounting box 1
Simple in construction, easy to assembly, it is time saving and energy saving to install, display screen 5 can real-time display measurement data, be user-friendly.
The inductive probe 4 includes the housing 41 of an annular, and the front end of the housing 41 is provided with into valve 42, it is described enter
Screen pack 412 is provided with valve 42.The rear end of the housing 41 is provided with bonnet 43, and pressure benefit is provided with the bonnet 43
Through hole 411 is repaid, the inner peripheral surface of housing 41 is provided with least one sliver 44, is slided in the housing 41 and be provided with a work vertically
45 are filled in, the guide groove 46 coordinated with sliver 44 is provided with the piston 45, sliver 45 and the cooperation of guide groove 46 limit piston 45 and moved
The rotation of circumferencial direction when dynamic, avoid the torsional deformation of spring 48 so that piston 45 can only move forward and backward, and improve measurement
Precision.
Sealing ring 410 is arranged with the outer peripheral face of the piston 45, the rear end of the piston 45 is fixed with a reflector 47,
Connected between the piston 45 and bonnet 43 by spring 48, through hole is offered on the bonnet 43, is provided with the through hole
One differential pressure probe 49, the differential pressure probe 49 are electrically connected with first circuit board 2 and second circuit board 3.Using horizontally disposed
Inductive probe 4 is measured, and pressure detection device is used as instead of flexible sheet by the use of piston structure, it is possible to increase measurement accuracy,
And the movement of piston 45 is more stable, is not easy by external interference, it is not easy to damage, service life is more permanent.
Above is preferred embodiment of the present utility model is illustrated, but the utility model is created and is not limited to
The embodiment, those skilled in the art can also make a variety of etc. on the premise of without prejudice to the utility model spirit
With modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (6)
- A kind of 1. micro-pressure-difference induction measurement devices, it is characterised in that：Including a mounting box (1), it is fixed with the mounting box (1) First circuit board (2) and second circuit board (3), two inductive probes (4) are equipped with the mounting box (1), and two sensings are visited Head (4) is connected with the first circuit board (2) and second circuit board (3), and the upper surface of the mounting box (1) is fixed with display Shield (5), the display screen (5) is electrically connected with first circuit board (2) and second circuit board (3), mounting box (1) upper surface It is outward extended with fixed plate (6).
- 2. micro-pressure-difference induction measurement devices according to claim 1, it is characterised in that：The inductive probe (4) includes one The housing (41) of annular, the front end of the housing (41) are provided with into valve (42), after the rear end of the housing (41) is provided with Cover (43), housing (41) inner peripheral surface is provided with least one sliver (44) vertically, slides and is provided with the housing (41) One piston (45), the guide groove (46) coordinated with sliver (44) is provided with the piston (45), the rear end of the piston (45) is consolidated Surely there is a reflector (47), be connected between the piston (45) and bonnet (43) by spring (48), opened on the bonnet (43) Provided with through hole, a differential pressure probe (49), the differential pressure probe (49) and first circuit board (2) and second are provided with the through hole Circuit board (3) is electrically connected with.
- 3. micro-pressure-difference induction measurement devices according to claim 2, it is characterised in that：On the outer peripheral face of the piston (45) It is arranged with sealing ring (410).
- 4. micro-pressure-difference induction measurement devices according to claim 2, it is characterised in that：Pressure is provided with the bonnet (43) Force compensating through hole (411).
- 5. micro-pressure-difference induction measurement devices according to claim 2, it is characterised in that：It is described enter valve (42) in be provided with Screen pack (412).
- 6. micro-pressure-difference induction measurement devices according to claim 1, it is characterised in that：It is provided with the mounting box (1) Can lamination assembling up and down mounting bracket (7), the upper surface of every mounting bracket (7) is provided with stopper slot, under every mounting bracket (7) Surface is provided with the limited block for coordinating buckle with stopper slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869309.3U CN207066664U (en) | 2017-07-17 | 2017-07-17 | A kind of micro-pressure-difference induction measurement devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869309.3U CN207066664U (en) | 2017-07-17 | 2017-07-17 | A kind of micro-pressure-difference induction measurement devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207066664U true CN207066664U (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720869309.3U Active CN207066664U (en) | 2017-07-17 | 2017-07-17 | A kind of micro-pressure-difference induction measurement devices |
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| Country | Link |
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| CN (1) | CN207066664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646058A (en) * | 2019-09-30 | 2020-01-03 | 深圳市迈姆斯科技有限公司 | Digital pressure sensor for measuring liquid level and working method thereof |
-
2017
- 2017-07-17 CN CN201720869309.3U patent/CN207066664U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646058A (en) * | 2019-09-30 | 2020-01-03 | 深圳市迈姆斯科技有限公司 | Digital pressure sensor for measuring liquid level and working method thereof |
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