CN208902311U - A kind of diffused silicon pressure transmitter - Google Patents
A kind of diffused silicon pressure transmitter Download PDFInfo
- Publication number
- CN208902311U CN208902311U CN201821774630.4U CN201821774630U CN208902311U CN 208902311 U CN208902311 U CN 208902311U CN 201821774630 U CN201821774630 U CN 201821774630U CN 208902311 U CN208902311 U CN 208902311U
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- diaphragm
- probing shell
- gauge outfit
- outlet tube
- conduit
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Abstract
The utility model provides a kind of diffused silicon pressure transmitter, including gauge outfit, the lower end of gauge outfit is equipped with probe, probe includes the probing shell and diaphragm that gauge outfit lower end is arranged in, there is diffusion silicon load cell in the inside of probing shell, the front opening of diaphragm closure probing shell, diffusion silicon load cell is located at the rear of diaphragm and surrounds pressure measuring cavity with the inner wall of probing shell and diaphragm, the front opening of probing shell is also connected with test conduit, the inner wall for testing conduit is equipped with corrosion-resistant coating, the interior lower end for testing conduit is equipped with filter device, the top of filter device is equipped with buffer unit, the outside for testing conduit is equipped with silica gel heat dissipating layer, the external vertical of silica gel heat dissipating layer is equipped with the cooling fin of multiple circular groove types, the outer wall of probing shell is equipped with cooling liquid bath, the bottom of cooling liquid bath is equipped with outlet tube, the lower end of outlet tube is through multiple Cooling fin and the top for being located at lowest level cooling fin, each cooling fin top are equipped with the liquid-penetrating pipe being connected to outlet tube.
Description
Technical field
The utility model relates to transmitter technical field more particularly to a kind of diffused silicon pressure transmitters.
Background technique
For diffused silicon pressure transmitter using diffusion silicon as pressure detecting element, the pressure of measured medium directly acts on biography
On the diffusion silicon diaphragm of sensor；But existing diffused silicon pressure transmitter is mostly without filter device, when measuring sewage,
Impurity in sewage easily enters the inside of measurement conduit and damages to diaphragm, influences the precision of measurement；And it is existing
Protective device is not also arranged in some diaphragms, is starting or stoping the moment, sewage is larger to the impact force of diaphragm, is also easy to make
At the damage of diaphragm, using effect is bad.
Summary of the invention
The utility model exactly against the above technical problems, provides a kind of diffused silicon pressure transmitter.
In order to achieve the above object, the utility model adopts the following technical solutions: a kind of diffused silicon pressure transmitter, including table
Head, which is characterized in that digital display screen and the function button below digital display screen, the lower end of gauge outfit are equipped in gauge outfit
Equipped with probe, probe includes the probing shell and diaphragm that gauge outfit lower end is arranged in, and the inside of probing shell has diffusion silicon to survey pressure
Element, diaphragm are made of the flexible material of water proof and block the front opening of probing shell, diffusion silicon load cell be located at every
The rear of diaphragm simultaneously surrounds the internal pressure measuring cavity that pure water is housed, the front end of probing shell with the inner wall of probing shell and diaphragm
Opening is also connected with test conduit, and the inner wall for testing conduit is equipped with corrosion-resistant coating, and the interior lower end for testing conduit is equipped with filtering dress
It sets, filter device includes the first filter screen and the second filter screen for being successively horizontally set on test catheter interior from bottom to up, and
The mesh diameter of first filter screen is greater than the mesh diameter of the second filter screen, and the top of filter device is equipped with buffer unit, buffering
Device includes that successively horizontally disposed first buffering plectane and the second buffering plectane, the first buffering plectane and second delay from bottom to up
Multiple cushioning fenders are staggeredly equipped on the two sides inner wall of the test conduit rushed between plectane, the first buffering plectane is equipped with multiple flat
First limbers of row setting, the second buffering plectane are equipped with multiple second limbers disposed in parallel, test the outside of conduit
Equipped with silica gel heat dissipating layer, the external vertical of silica gel heat dissipating layer is equipped with the cooling fin of multiple circular groove types, sets on the outer wall of probing shell
There is cooling liquid bath, the bottom of cooling liquid bath is equipped with outlet tube, and outlet tube is equipped with liquid valve, and the lower end of outlet tube is dissipated through multiple
Backing and the top for being located at lowest level cooling fin, each cooling fin top are equipped with the liquid-penetrating pipe being connected to outlet tube, liquid-penetrating pipe
Lower surface be equipped with multiple liquid-leadage holes.
Wireless transmission box is installed, the side of gauge outfit is equipped with cable interface at the top of the gauge outfit.
The diaphragm is silica gel piece or fluorine film, and the upper end of diaphragm is equipped with the ring wing of outside annular, probing shell
Front opening be equipped with inside annular flange, the upper surface of the bottom surface of the ring wing and annular flange is tightly connected, the upper table of the ring wing
Face also compresses and is connected with gasket.
First limbers and the second limbers are vertically arranged.
Compared with prior art, the utility model has the beneficial effects that the filter device of the utility model setting can be effective
The impurity prevented in sewage enter measurement conduit inside, avoid diaphragm and scratched by impurity；And is starting or stopping
Only moment, the buffer unit of setting can be greatly reduced sewage to the impact force of diaphragm, ensure that the normal use of diaphragm,
Using effect is preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1, gauge outfit；2, digital display screen；3, function button；4, probing shell；5, diaphragm；6, diffusion silicon surveys pressure
Element；7, pressure measuring cavity；8, conduit is tested；9, the first filter screen；10, the second filter screen；11, the first buffering plectane；12, second is slow
Rush plectane；13, cushioning fender；14, silica gel heat dissipating layer；15, cooling fin；16, cooling liquid bath；17, outlet tube；18, liquid-penetrating pipe；
19, it is wirelessly transferred box；20, cable interface；21, the ring wing；22, annular flange；23, gasket；24, corrosion-resistant coating.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
As shown in Figure 1, a kind of diffused silicon pressure transmitter, including gauge outfit 1, digital display screen 2 and position are installed in gauge outfit 1
Function button 3 in 2 lower section of digital display screen, the lower end of gauge outfit 1 are equipped with probe, and probe includes the spy that 1 lower end of gauge outfit is arranged in
There are diffusion silicon load cell 6 in head shell 4 and diaphragm 5, the inside of probing shell 4, and diaphragm 5 is made of the flexible material of water proof
And the front opening of probing shell 4 is blocked, diffusion silicon load cell 6 is located at the rear of diaphragm 5 and the inner wall with probing shell 4
The internal pressure measuring cavity 7 that pure water is housed is surrounded with diaphragm 5, the front opening of probing shell 4 is also connected with test conduit 8, surveys
The inner wall for trying conduit 8 is equipped with corrosion-resistant coating 24, and the interior lower end of test conduit 8 is equipped with filter device, and filter device includes under
Supreme the first filter screen 9 and the second filter screen 10 being successively horizontally set on inside test conduit 8, and the net of the first filter screen 9
Bore dia is greater than the mesh diameter of the second filter screen 10, and the top of filter device is equipped with buffer unit, and buffer unit includes under
Supreme successively horizontally disposed first buffering plectane 11 and the second buffering plectane 12, the first buffering plectane 11 and the second buffering plectane
Multiple cushioning fenders 13 are staggeredly equipped on the two sides inner wall of test conduit 8 between 12, the first buffering plectane 11 is equipped with multiple
First limbers disposed in parallel, the second buffering plectane 12 are equipped with multiple second limbers disposed in parallel, test conduit 8
Outside is equipped with silica gel heat dissipating layer 14, and the external vertical of silica gel heat dissipating layer 14 is equipped with the cooling fin 15 of multiple circular groove types, probing shell 4
Outer wall be equipped with cooling liquid bath 16, the bottom of cooling liquid bath 16 is equipped with outlet tube 17, and outlet tube 17 is equipped with liquid valve, out liquid
The lower end of pipe 17 is through multiple cooling fins 15 and is located at the top of lowest level cooling fin 15, be equipped with above each cooling fin 15 with
The lower surface of the liquid-penetrating pipe 18 that outlet tube 17 is connected to, liquid-penetrating pipe 18 is equipped with multiple liquid-leadage holes.
The top of the gauge outfit 1 is equipped with wireless transmission box 19, and the side of gauge outfit 1 is equipped with cable interface 20.
The diaphragm 5 is silica gel piece or fluorine film, and the upper end of diaphragm 5 is equipped with the ring wing 21 of outside annular, probe
The front opening of shell 4 is equipped with inside annular flange 22, and the bottom surface of the ring wing 21 and the upper surface of annular flange 22 are tightly connected,
The upper surface of the ring wing 21 also compresses and is connected with gasket 23.
First limbers and the second limbers are vertically arranged.
When the utility model is used, the pressure for measuring the sewage in conduit 8 acts on diaphragm 5, and diaphragm 5 deforms and will
Pressure is transferred to diffusion silicon load cell 6 by pure water, so as to complete pressure measurement；The filtering being arranged in measurement conduit 8
Device can effectively prevent the impurity in sewage from entering the inside of measurement conduit 8, avoid diaphragm 5 and scratched by impurity；And
And the moment is being started or stoped, the buffer unit of setting can be greatly reduced sewage to the impact force of diaphragm 5, ensure that diaphragm
The normal use of piece 5；In addition, the coolant liquid in the silica gel heat dissipating layer 14 of setting, cooling fin 15 and cooling fin 15 can also be to measurement
Conduit 8 carries out rapid cooling, and using effect is preferable.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or without
Improvement directly applies to other occasions, both is within the protection scope of the present invention.
Claims (4)
1. a kind of diffused silicon pressure transmitter, including gauge outfit (1), which is characterized in that gauge outfit is equipped with digital display screen on (1)
(2) and the function button (3) below digital display screen (2), the lower end of gauge outfit (1) are equipped with probe, and probe includes being arranged to exist
There are diffusion silicon load cell (6), diaphragm in the probing shell (4) and diaphragm (5) of gauge outfit (1) lower end, the inside of probing shell (4)
Piece (5) is made of the flexible material of water proof and blocks the front opening of probing shell (4), diffusion silicon load cell (6) be located at every
The rear of diaphragm (5) simultaneously surrounds the internal pressure measuring cavity (7) that pure water is housed with the inner wall of probing shell (4) and diaphragm (5), visits
The front opening of head shell (4) is also connected with test conduit (8), and the inner wall of test conduit (8) is equipped with corrosion-resistant coating (24), test
The interior lower end of conduit (8) is equipped with filter device, and filter device includes successively being horizontally set in test conduit (8) from bottom to up
First filter screen (9) and the second filter screen (10) in portion, and the mesh diameter of the first filter screen (9) is greater than the second filter screen (10)
Mesh diameter, the top of filter device is equipped with buffer unit, and buffer unit includes from bottom to up successively horizontally disposed first
Plectane (11) and the second buffering plectane (12) are buffered, the test between the first buffering plectane (11) and the second buffering plectane (12) is led
It manages and is staggeredly equipped with multiple cushioning fenders (13) on the two sides inner wall of (8), the first buffering plectane (11) is equipped with multiple be arranged in parallel
The first limbers, second buffering plectane (12) be equipped with multiple second limbers disposed in parallel, test conduit (8) outside
Equipped with silica gel heat dissipating layer (14), the external vertical of silica gel heat dissipating layer (14) is equipped with the cooling fin (15) of multiple circular groove types, and probe is outer
The outer wall of shell (4) is equipped with cooling liquid bath (16), and the bottom of cooling liquid bath (16) is equipped with outlet tube (17), and outlet tube is set on (17)
There is liquid valve, the lower end of outlet tube (17) is through multiple cooling fins (15) and positioned at the top of lowest level cooling fin (15), each
The liquid-penetrating pipe (18) being connected to outlet tube (17) is equipped with above cooling fin (15), the lower surface of liquid-penetrating pipe (18) is equipped with multiple infiltrations
Fluid apertures.
2. a kind of diffused silicon pressure transmitter according to claim 1, which is characterized in that pacify at the top of the gauge outfit (1)
Equipped with wireless transmission box (19), the side of gauge outfit (1) is equipped with cable interface (20).
3. a kind of diffused silicon pressure transmitter according to claim 1, which is characterized in that the diaphragm (5) is silica gel
Piece or fluorine film, the upper end of diaphragm (5) are equipped with the ring wing (21) of outside annular, and the front opening of probing shell (4) is equipped with
The upper surface of inside annular flange (22), the bottom surface of the ring wing (21) and annular flange (22) is tightly connected, the ring wing (21) it is upper
Surface, which also compresses, is connected with gasket (23).
4. a kind of diffused silicon pressure transmitter according to claim 1, which is characterized in that first limbers and second
Limbers is vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821774630.4U CN208902311U (en) | 2018-10-31 | 2018-10-31 | A kind of diffused silicon pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821774630.4U CN208902311U (en) | 2018-10-31 | 2018-10-31 | A kind of diffused silicon pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208902311U true CN208902311U (en) | 2019-05-24 |
Family
ID=66577203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821774630.4U Active CN208902311U (en) | 2018-10-31 | 2018-10-31 | A kind of diffused silicon pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208902311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514346A (en) * | 2019-08-16 | 2019-11-29 | 李芳芳 | A kind of shock proof pressure transmitter sensing device of novel bradyseism |
-
2018
- 2018-10-31 CN CN201821774630.4U patent/CN208902311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514346A (en) * | 2019-08-16 | 2019-11-29 | 李芳芳 | A kind of shock proof pressure transmitter sensing device of novel bradyseism |
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