CN108005666A - Native storehouse soil pressure transmitter - Google Patents
Native storehouse soil pressure transmitter Download PDFInfo
- Publication number
- CN108005666A CN108005666A CN201610949634.0A CN201610949634A CN108005666A CN 108005666 A CN108005666 A CN 108005666A CN 201610949634 A CN201610949634 A CN 201610949634A CN 108005666 A CN108005666 A CN 108005666A
- Authority
- CN
- China
- Prior art keywords
- pressure transmitter
- soil pressure
- upper cover
- probe
- soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 68
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000009792 diffusion process Methods 0.000 claims abstract description 33
- 239000000523 sample Substances 0.000 claims abstract description 32
- 239000003921 oil Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 229920006335 epoxy glue Polymers 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 10
- 238000002788 crimping Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of native storehouse soil pressure transmitter, it includes conducting wire, upper cover and probe, conducting wire passes through the center of upper cover, upper cover is covered with probe and axis overlaps, center probe has the cavity of cylinder, there is discoidal depression in probe outer surface, native storehouse soil pressure transmitter further includes pick-up diffusion silicon core, plunger shaft and piston type diaphragm, pick-up diffusion silicon core is located in cavity and is electrically connected with conducting wire, piston type diaphragm is in depression, plunger shaft is located between piston type diaphragm and pick-up diffusion silicon core, and oil medium is filled with plunger shaft.The native storehouse soil pressure transmitter of the present invention makes sensor become transmitter in the case where not changing installation shape and installation requirements, compact-sized, efficiently utilizes inner space, the integral sealing security and wear resistance of the native storehouse soil pressure transmitter of raising.
Description
Technical field
The present invention relates to Shield-type machinery part of appliance field, more particularly to a kind of native storehouse soil pressure transmitter.
Background technology
Native storehouse soil pressure transmitter is the monitoring instrument for monitoring shield machine soil storehouse internal pressure.The control of current shield machine
The signal of system design receiving sensor is mostly current signal, and the output of soil pressure case at present is mostly voltage signal, some
Electric current pick-up case is set in outside again, such a way takes the space of equipment to a certain extent.
The content of the invention
The technical problem to be solved in the present invention is in order to overcome soil pressure case in the prior art and soil pressure transmitter split
A kind of the defects of occupied space, there is provided soil storehouse soil pressure transmitter.
A kind of soil storehouse soil pressure transmitter, its feature are that it includes conducting wire, upper cover and probe, and conducting wire is passed through in upper cover
The heart, upper cover is covered with probe and axis overlaps, and center probe has the cavity of cylinder, and there is discoidal depression in probe outer surface,
Native storehouse soil pressure transmitter further includes pick-up diffusion silicon core, plunger shaft and piston type diaphragm, and pick-up diffusion silicon core is positioned at sky
It is electrically connected in chamber and with conducting wire, for piston type diaphragm in depression, plunger shaft is located at piston type diaphragm and pick-up diffusion silicon core
Between, oil medium is filled with plunger shaft.Pressure transition can be current signal by pick-up diffusion silicon core, by conducting wire, be passed
Pass whistle control system.Piston type diaphragm is used for the soil pressure for receiving Tu Cang, and protects native storehouse soil pressure transmitter internal structure
It is not worn.Plunger shaft is a closed cavity, wherein filling oil medium, oil medium is used for passing the pressure of piston type diaphragm
Pass pick-up diffusion silicon core.Diaphragm is piston type, can produce displacement under stress, can more accurately receive Tu Cang's
Soil pressure.
It is preferred that native storehouse soil pressure transmitter further includes clamping cap, clamping cap includes inner cavity and flange, and clamping cap is located at cavity
Interior and be threadedly coupled with cavity, inner cavity is taper type, and flange withstands pick-up diffusion silicon core.Pick-up is spread silicon core by clamping cap
Fixed, flange withstands the outer rim of pick-up diffusion silicon core, and clamping cap is threadedly attached to cavity, can adjust and compress pick-up expansion
The power of silicon core is dissipated, inner cavity is larger close to the region of pick-up diffusion silicon core, can accommodate more internal structures.
It is preferred that native storehouse soil pressure transmitter further includes heat-shrink tube, heat-shrink tube is tubaeform and including tubaeform tube chamber, heat
The draw is located in inner cavity, and larger-size one of heat-shrink tube spreads silicon core towards pick-up.It can be realized using heat-shrink tube to becoming
The secure seal of diffusion silicon core and connecting position of wires is sent, larger-size one of heat-shrink tube can accommodate more internal structures.
It is preferred that native storehouse soil pressure transmitter further includes epoxy glue, pick-up diffusion silicon core includes circuit platelet, and epoxy glue is filled out
Charging circuit platelet and tube chamber.Epoxy glue fills internal all cavitys, substantially increases the sealing inside native storehouse soil pressure transmitter
Performance.
It is preferred that pick-up diffusion silicon core has lead-out wire, lead-out wire is connected with conducting wire, and lead-out wire passes through tube chamber.Lead-out wire
Filled by epoxy glue seal, the compression of heat-shrink tube is passed through in periphery again, and sealing performance further improves.
It is preferred that there is upper cover chamber between upper cover and probe, there are the oil filler point of connection plunger shaft and upper cover chamber, oiling on probe
Hole is encapsulated with closeouts.Oil filler point is not exposed to outside, but it is close with popping one's head in by upper cover in upper cover intracavitary, upper cover chamber to be open
Envelope.
It is preferred that closeouts are steel ball and soket head cap screw.This set substantially increases the leakproofness of oil filler point, it is ensured that
Oil medium in plunger shaft does not leak.
It is preferred that the thickness of piston type diaphragm is 5 to 10 millimeters.Such thickness range improves piston type diaphragm and is disliking
Wear resistance under bad environment.
It is preferred that having the first O-ring, the second O-ring and the 3rd O-ring between upper cover and probe, the first O-ring is radially close
Seal up lid and probe, the second O-ring and the 3rd O-ring axial seal upper cover and probe.Multiple O-rings further improve Tu Cang
The sealing performance of soil pressure transmitter, it is ensured that built-in component can be protected well under any rugged environment.
It is preferred that having gasket and crimping Glan outside conducting wire, crimping Glan is threaded into upper cover, and oppresses sealing
Pad.Crimping Glan fixes conducting wire with upper cover securely, ensures when conducting wire is subject to external force, inside native storehouse soil pressure transmitter
Element is unaffected.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can be combined, each preferably real up to the present invention
Example.
The positive effect of the present invention is：The native storehouse soil pressure transmitter of the present invention is not changing installation shape and installation
In the case of demand, sensor is set to become transmitter, it is compact-sized, efficiently using inner space, improve native storehouse soil pressure transmitter
Integral sealing security and wear resistance.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of present pre-ferred embodiments.
Description of reference numerals：
Conducting wire 1
Gasket 11
Crimping Glan 12
Upper cover 2
Upper cover chamber 21
First O-ring 22
Second O-ring 23
3rd O-ring 24
Probe 3
Cavity 31
Depression 32
Oil filler point 33
Closeouts 34
Pick-up diffusion silicon core 4
Circuit platelet 41
Lead-out wire 42
Piston type diaphragm 5
Plunger shaft 51
Oil medium 52
Clamping cap 6
Inner cavity 61
Flange 62
Embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
Apply among a scope.
Native storehouse soil pressure transmitter such as Fig. 1 of the present embodiment, it includes conducting wire 1, upper cover 2 and probe 3, and conducting wire 1 passes through upper cover 2
Center, upper cover 2 covers and axis overlaps with probe 3, and there is the cavity 31 of cylinder at 3 centers of probe, and there are disk in 3 outer surfaces of popping one's head in
The depression 32 of shape, native storehouse soil pressure transmitter further include pick-up diffusion silicon core 4, piston type diaphragm 5 and plunger shaft 51, pick-up and expand
Dissipate silicon core 4 to be located in cavity 31 and be electrically connected with conducting wire 1, for piston type diaphragm 5 in depression 32, plunger shaft 51 is located at piston
Between formula diaphragm 5 and pick-up diffusion silicon core 4, oil medium 52 is filled with plunger shaft 51.Pick-up diffusion silicon core 4 will can press
Power is changed into current signal, by conducting wire 1, passes to whistle control system.Piston type diaphragm 5 is used for the soil pressure for receiving Tu Cang,
And native storehouse soil pressure transmitter internal structure is protected not to be worn.Plunger shaft 51 is a closed cavity, wherein filling oil is situated between
Matter 52, oil medium 52 are used for the pressure transmission of piston type diaphragm 5 to pick-up diffusion silicon core 4.Diaphragm is piston type, Ke Yi
Displacement is produced under pressure, can more accurately receive the soil pressure of Tu Cang.
Native storehouse soil pressure transmitter further includes clamping cap 6, and clamping cap 6 includes inner cavity 61 and flange 62, and clamping cap position 6 is in cavity
It is threadedly coupled in 31 and with cavity 31, inner cavity 61 is taper type, and flange 62 withstands pick-up diffusion silicon core 4.Clamping cap 6 is by pick-up
Diffusion silicon core 4 is fixed, and flange 62 withstands the outer rim of pick-up diffusion silicon core 4, and clamping cap 6 is threadedly attached to cavity 31,
The power for compressing pick-up diffusion silicon core 4 can be adjusted, inner cavity 61 is larger close to the region of pick-up diffusion silicon core 4, can accommodate
More internal structures.
Native storehouse soil pressure transmitter further includes heat-shrink tube, and heat-shrink tube is tubaeform and including tubaeform tube chamber, heat-shrink tube position
In inner cavity 61, larger-size one of heat-shrink tube spreads silicon core 4 towards pick-up.The shape of heat-shrink tube is similar with inner cavity 61,
Secure seal to pick-up diffusion silicon core 4 and 1 junction of conducting wire, heat-shrink tube larger-size one can be realized using heat-shrink tube
Head can accommodate more internal structures.
Native storehouse soil pressure transmitter further includes epoxy glue, and pick-up diffusion silicon core 4 includes circuit platelet 41, epoxy glue filling electricity
Road platelet 41 and tube chamber.Structure above circuit platelet 41 is more, and surface irregularity is, it is necessary to be filled it encapsulation.Epoxy
Glue fills cavity 31, substantially increases the sealing performance inside native storehouse soil pressure transmitter.
Pick-up diffusion silicon core 4 has lead-out wire 42, and lead-out wire 42 is connected with conducting wire 1, and lead-out wire 42 passes through tube chamber.Lead-out wire
42 are filled by epoxy glue seal, and the compression of heat-shrink tube is passed through in periphery again, and sealing performance further improves.
There is upper cover chamber 21 between upper cover 2 and probe 3, the oil filler point 33 for having connection plunger shaft 51 and upper cover chamber 21 on probe 3,
Oil filler point 33 is encapsulated with closeouts 34.Closeouts 34 are steel ball and soket head cap screw.Oil filler point 33 is not exposed to outside, but
For opening in upper cover chamber 21, upper cover chamber 21 substantially increases the sealing of oil filler point 33 by upper cover 2 and the sealing of probe 3, this set
Property, it is ensured that the oil medium 52 in plunger shaft 51 does not leak.
In the present embodiment, the thickness of piston type diaphragm 5 is 5 to 10 millimeters, and such thickness range improves piston type
The wear resistance of diaphragm 5 in the presence of a harsh environment.
There are the first O-ring 22, the second O-ring 23 and the 3rd O-ring 24,22 footpath of the first O-ring between upper cover 2 and probe 3
To sealing upper cover 2 and probe 3, the second O-ring 23 and 24 axial seal upper cover 2 of the 3rd O-ring and probe 3.Multiple O-rings are into one
Step improves the sealing performance of native storehouse soil pressure transmitter, it is ensured that can protect internal member well under any rugged environment
Part.
There are gasket 11 and crimping Glan 12 outside conducting wire 1, crimping Glan 12 is threaded into upper cover 2, and oppresses close
Packing 11.Crimping Glan 12 fixes conducting wire 1 with upper cover 2 securely, ensures when conducting wire 1 is subject to external force, native storehouse soil pressure
Transmitter built-in component is unaffected.
The native storehouse soil pressure transmitter of the present embodiment do not change installation shape and installation requirements in the case of, make sensor into
It is compact-sized for transmitter, efficiently using inner space, improve the integral sealing security of native storehouse soil pressure transmitter and wear-resistant
Property.
Although the embodiment of the present invention is the foregoing described, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
On the premise of the principle of the present invention and essence, various changes or modifications can be made to these embodiments, but these changes and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of soil storehouse soil pressure transmitter, it is characterised in that it includes conducting wire, upper cover and probe, and the conducting wire is passed through on described
The center of lid, the upper cover is covered with the probe and axis overlaps, and the center probe has the cavity of cylinder, the probe
There is discoidal depression in outer surface, and soil storehouse soil pressure transmitter further includes pick-up diffusion silicon core, plunger shaft and piston type
Diaphragm, the pick-up diffusion silicon core are located in the cavity and are electrically connected with the conducting wire, and the piston type diaphragm is located at institute
State in depression, the plunger shaft is located between the piston type diaphragm and pick-up diffusion silicon core, is filled out in the plunger shaft
Filled with oil medium.
2. soil storehouse as claimed in claim 1 soil pressure transmitter, it is characterised in that soil storehouse soil pressure transmitter further includes compression
Cap, the clamping cap include inner cavity and flange, and the clamping cap is located in the cavity and is threadedly coupled with the cavity, described
Inner cavity is taper type, and the flange withstands the pick-up diffusion silicon core.
3. soil storehouse as claimed in claim 2 soil pressure transmitter, it is characterised in that soil storehouse soil pressure transmitter further includes pyrocondensation
Pipe, the heat-shrink tube are tubaeform and are located at including tubaeform tube chamber, the heat-shrink tube in the inner cavity, the heat-shrink tube ruler
Very little larger one spreads silicon core towards the pick-up.
4. soil storehouse as claimed in claim 3 soil pressure transmitter, it is characterised in that soil storehouse soil pressure transmitter further includes epoxy
Glue, the pick-up diffusion silicon core include circuit platelet, and the epoxy glue fills the circuit platelet and the tube chamber.
5. soil storehouse as claimed in claim 3 soil pressure transmitter, it is characterised in that the pick-up diffusion silicon core has lead-out wire,
The lead-out wire is connected with the conducting wire, and the lead-out wire passes through the tube chamber.
6. soil storehouse as claimed in claim 1 soil pressure transmitter, it is characterised in that have upper cover between the upper cover and the probe
Chamber, there is the oil filler point for connecting the plunger shaft and the upper cover chamber on the probe, and the oil filler point is encapsulated with closeouts.
7. soil storehouse as claimed in claim 6 soil pressure transmitter, it is characterised in that the closeouts are steel ball and interior hexagonal spiral shell
Nail.
8. soil storehouse as claimed in claim 1 soil pressure transmitter, it is characterised in that the thickness of the piston type diaphragm is 5 to 10
Millimeter.
9. soil storehouse as claimed in claim 1 soil pressure transmitter, it is characterised in that have first between the upper cover and the probe
O-ring, the second O-ring and the 3rd O-ring, upper cover and the probe described in the first O-ring radial seal, the 2nd O
Upper cover and the probe described in type circle and the 3rd O-ring axial seal.
10. the native storehouse soil pressure transmitter as described in claim 1 to 9 any one, it is characterised in that have sealing outside the conducting wire
Pad and crimping Glan, the crimping Glan is threaded into the upper cover, and oppresses the gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949634.0A CN108005666A (en) | 2016-11-02 | 2016-11-02 | Native storehouse soil pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949634.0A CN108005666A (en) | 2016-11-02 | 2016-11-02 | Native storehouse soil pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108005666A true CN108005666A (en) | 2018-05-08 |
Family
ID=62047322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610949634.0A Pending CN108005666A (en) | 2016-11-02 | 2016-11-02 | Native storehouse soil pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108005666A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539161Y (en) * | 2002-05-10 | 2003-03-05 | 赵建立 | Silicon piezoresistive type pressure sensor with flange structure |
| CN2540627Y (en) * | 2002-05-10 | 2003-03-19 | 李维平 | Integral mounted structure of silicon piezo-resistive pressure sensor |
| CN200989838Y (en) * | 2006-03-03 | 2007-12-12 | 王国庆 | Pressure sensor |
| CN203083751U (en) * | 2012-12-26 | 2013-07-24 | 南京沃天科技有限公司 | Titanium alloy core body |
| CN203083763U (en) * | 2012-12-26 | 2013-07-24 | 南京沃天科技有限公司 | Flat membrane pressure sensor |
| CN103884399A (en) * | 2012-12-21 | 2014-06-25 | 上海朝辉压力仪器有限公司 | Liquid level transmitter |
| CN203848971U (en) * | 2014-06-04 | 2014-09-24 | 唐志刚 | Fluid pressure sensor having pressure transmitter function |
-
2016
- 2016-11-02 CN CN201610949634.0A patent/CN108005666A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539161Y (en) * | 2002-05-10 | 2003-03-05 | 赵建立 | Silicon piezoresistive type pressure sensor with flange structure |
| CN2540627Y (en) * | 2002-05-10 | 2003-03-19 | 李维平 | Integral mounted structure of silicon piezo-resistive pressure sensor |
| CN200989838Y (en) * | 2006-03-03 | 2007-12-12 | 王国庆 | Pressure sensor |
| CN103884399A (en) * | 2012-12-21 | 2014-06-25 | 上海朝辉压力仪器有限公司 | Liquid level transmitter |
| CN203083751U (en) * | 2012-12-26 | 2013-07-24 | 南京沃天科技有限公司 | Titanium alloy core body |
| CN203083763U (en) * | 2012-12-26 | 2013-07-24 | 南京沃天科技有限公司 | Flat membrane pressure sensor |
| CN203848971U (en) * | 2014-06-04 | 2014-09-24 | 唐志刚 | Fluid pressure sensor having pressure transmitter function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180508 |