CN206514989U - A kind of wireless digital pressure gauge - Google Patents
A kind of wireless digital pressure gauge Download PDFInfo
- Publication number
- CN206514989U CN206514989U CN201621406188.0U CN201621406188U CN206514989U CN 206514989 U CN206514989 U CN 206514989U CN 201621406188 U CN201621406188 U CN 201621406188U CN 206514989 U CN206514989 U CN 206514989U
- Authority
- CN
- China
- Prior art keywords
- shell
- pressure gauge
- base
- wireless digital
- digital pressure
- 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.)
- Expired - Fee Related
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of wireless digital pressure gauge, belong to field of pressure measurement, the wireless digital pressure gauge includes:Base, sensor is located at depressed part on the inside of base, shell lower end is enclosed on base, upper end is provided with step, electric supply installation is located on base, and signal circuit board is arranged on electric supply installation side, and display device is located above electric supply installation, radio transmitting device is arranged on the step of shell upper end, is fixed by locking nut;The shell upper end is provided with external screw thread, is connected by external screw thread with pipeline, base and sensor is deep into inside pipeline, and radio transmitting device is in pipeline external, reaches low temperature resistant, antifreeze purpose;The side wall of the shell is provided with pressure relief vent, for dismantling the residual pressure discharged during wireless digital pressure gauge in pipeline;The upper end of the shell is provided with dismounting recess, and the locking nut end face is provided with dismounting hole, to realize antitheft purpose.The utility model has the advantages that simple in construction, good airproof performance, low temperature resistant, antifreeze, antitheft, release are convenient.
Description
Technical field
The utility model is related to field of pressure measurement, and more particularly to a kind of oil, petrochemical industry, Gas Industry are with without line number
Word pressure gauge.
Background technology
Oil, natural gas need to measure the pressure in pipeline using digital pressure gauge during water filling, oil recovery and oil transportation
Power.China is vast in territory, and various regions weather is totally different, and environment temperature is also not quite similar, therefore needs digital pressure gauge can be in not equality of temperature
Good working order is kept in the range of degree.
Due to that can not realize insulation using electrical heating in inflammable and explosive environment, the heat preserving mode of prior art is main
Including:Using incubator, or in one muff of outer cover, to realize purpose that digital pressure gauge is low temperature resistant, antifreeze, some oil
Gas field just disables the digital pressure gauge of automatic pressure acquisition value to cold winter and uses instead and manually gather.Above-mentioned several sides
Formula, not only with using limitation, and adds production run cost.
During dismounting digital pressure gauge need residual compression in pipeline to discharge, the release mode of prior art be
Pressure relief vent is set on pipeline, blocked pressure relief vent using plug, it is necessary to during release, plug be taken out, reached to pipeline release
Purpose.This release mode, cost is high, poor sealing, inconvenient operation.
The connection of the pressure instrumentation and pipeline of prior art is that pressure instrumentation is located at using conventional thread connecting mode mostly
The outer above the fold of pipeline, is detachable using general dismantling device, without anti-theft feature.
The content of the invention
Due to the disadvantages mentioned above of prior art, the utility model provides a kind of wireless digital pressure gauge, by improved structure,
The above mentioned problem of prior art can effectively be solved.
The utility model uses following technical scheme:
A kind of wireless digital pressure gauge, including:Base, sensor is located at depressed part on the inside of base, and shell lower end is enclosed on bottom
On seat, upper end is provided with step, and electric supply installation is located on base, and signal circuit board is arranged on electric supply installation side, display device position
Above electric supply installation, radio transmitting device is arranged on the step of shell upper end, is fixed by locking nut, the lock
Tightly it is threadedly coupled between nut and shell.
The shell upper end is provided with external screw thread, is connected by external screw thread with pipeline, base and sensor is deep into pipeline
Inside, radio transmitting device is in pipeline external, reaches low temperature resistant, antifreeze purpose.
The external screw thread is taper pipe thread.
The side wall of the shell is provided with pressure relief vent, and the pressure relief vent upper end is in external screw thread middle section, and lower end extends to outer
In smooth surface below screw thread, for dismantling the residual pressure discharged during wireless digital pressure gauge in pipeline.
The upper end of the shell need to be dismounted, to realize antitheft purpose provided with dismounting recess with specific purpose tool.Institute
State dismounting recess and be at least 2, be evenly distributed on the upper end of shell.
The locking nut end face need to be dismounted provided with dismounting hole with specific purpose tool, described to realize antitheft purpose
Dismounting hole is at least 2.
The chassis outer side is provided with circular groove, the groove and sets O-ring seal, it is ensured that the utility model structure
Sealing.
The lower surface of the base is provided with screwed hole, and for being connected with detection tabs, wireless digital pressure gauge is examined
Survey, the screwed hole is at least 3, is distributed on the lower surface of base.
There is one to be used for the through hole along base thickness direction that medium passes through, the through hole causes sensor on the base
Pressure-sensitive face communicated with the outside of base.
The base lower end is provided with spanner position, easy disassembly.
The electric supply installation includes mounting bracket, battery, battery mounting, and the mounting bracket lower end is threadedly attached in bottom
On seat, the battery is located in mounting bracket, and upper end is fixed by battery mounting.
The display device includes liquid crystal board, fixed leg of circuit board, panel, and the liquid crystal board is located on battery mounting,
It is fixed by fixed leg of circuit board, the panel is located above fixed leg of circuit board.
U-type groove is provided with the liquid crystal board and panel, for threading.
The radio transmitting device includes antenna, day thread fixing plate, antenna protection cover, fixing nut, plug, O-shaped sealing
Circle;One end of the antenna is welded on signal circuit board, and the other end is extended in antenna protection cover through plug, and by stifled
Antenna is stuck in antenna protection cover by head;The antenna protection cover is arranged on day thread fixing plate, is fixed by fixing nut;Institute
Plug is stated in antenna protection cover and is threadedly coupled with antenna protection cover;The O-ring seal be located at day thread fixing plate with
Between antenna protection cover, it is ensured that the sealing of radio transmitting device, prevent rainwater from entering.Described radio transmitting device first connects
An entirety is connected into, then is installed on the step of shell upper end, simpler convenience is installed.
Seal is provided between the day thread fixing plate and the step of shell upper end, it is ensured that the sealing of structure, prevents rain
Water enters, and seal can be sealing ring or sealing gasket.
Operation principle:
Wireless digital pressure gauge of the present utility model, is connected with pipeline internal thread by the external screw thread of shell upper end, will passed
Sensor is deep into inside pipeline, and the pressure medium in pipeline is acted on the pressure-sensitive face of sensor by the through hole on base, is passed
The pressure signal collected is converted into electric signal by sensor, and is transferred to signal circuit board, and signal is carried out by signal circuit board
Amplification, computing, pressure data is shown by display device, by radio transmitting device long-distance Log server pressure data, is filled by power supply
Put and signal circuit board and display device are powered.
Beneficial effect:
Compared with prior art, wireless digital pressure gauge of the present utility model is simple in construction, and small volume is easy to install, debugging
It is convenient;The sealing structure of optimization, improves overall sealing;The utility model passes through spiral shell in shell upper external screw thread and pipeline
The structure of line connection, pressure-sensitive component sensors are deep into inside pipeline, wireless digital pressure gauge are realized low temperature resistant, antifreeze
Purpose;Pressure relief vent is provided with side wall of outer shell, release is convenient, reduces engineering equipment cost;Dismounted using specific purpose tool,
The antitheft purpose of wireless digital pressure gauge is realized, while the fast assembling-disassembling of wireless digital pressure gauge can be realized, life is reduced
Produce operation cost.
Brief description of the drawings:
Fig. 1 is the dimensional structure diagram of the utility model wireless digital pressure gauge;
Fig. 2 is the diagrammatic cross-section of the utility model wireless digital pressure gauge;
Wherein:Outside 1- bases, 1a- grooves, 1b- screwed holes, 1c- through holes, 2- sensors, 3- shells, 3a- steps, 3b-
Screw thread, 3c- pressure relief vents, 3d- dismounting recesses, 4- electric supply installations, 4a- mounting brackets, 4b- batteries, 4c- battery mountings, 5- signals
Circuit board, 6- display devices, 6a- liquid crystal boards, 6b- fixed leg of circuit board, 6c- panels, 7- radio transmitting devices, 7a- antennas,
7b- days thread fixing plates, 7c- antenna protection covers, 7d- fixing nuts, 7e- plugs, 7f-O type sealing rings, 8- locking nuts, 8a-
Dismount hole, 9- seals.
Embodiment:
A kind of wireless digital pressure gauge (referring to Fig. 1, Fig. 2), including:Base 1, sensor 2 is located at the inner side of base 1 and is recessed
Portion, the lower end of shell 3 is enclosed on base 1, and upper end is provided with step 3a, and electric supply installation 4 is located on base 1, and signal circuit board 5 is installed
In the side of electric supply installation 4, display device 6 is located at the top of electric supply installation 4, and radio transmitting device 7 is arranged on the step of the upper end of shell 3
On 3a, it is fixed, is threadedly coupled between the locking nut 8 and shell 3 by locking nut 8.
The upper end of shell 3 is provided with external screw thread 3b (referring to Fig. 1, Fig. 2), is connected by external screw thread 3b with pipeline, makes base 1
It is deep into sensor 2 inside pipeline, radio transmitting device 7 is in pipeline external.Reach low temperature resistant, antifreeze purpose.
The external screw thread 3b is taper pipe thread.
Pressure relief vent 3c (referring to Fig. 1, Fig. 2) is additionally provided with the side wall of the shell 3, the pressure relief vent 3c upper ends are in external screw thread
3b middle sections, lower end is extended in the smooth surface below external screw thread 3b, is discharged for dismantling during wireless digital pressure gauge in pipeline
Residual pressure.
The upper end of the shell 3 is additionally provided with dismounting recess 3d (referring to Fig. 1), need to be dismounted with specific purpose tool, with reality
Existing antitheft purpose.The dismounting recess 3d is at least 2, is evenly distributed on the upper end of shell 3.
The end face of locking nut 8 need to be dismounted, with reality provided with dismounting hole 8a (referring to Fig. 1, Fig. 2) with specific purpose tool
Existing antitheft purpose, the dismounting hole 8a is at least 2.
The outside of base 1, which is provided with circular groove 1a (referring to Fig. 2), the groove, sets O-ring seal, it is ensured that this
The sealing of utility model structure.
The lower surface of the base 1 is provided with screwed hole 1b (referring to Fig. 2), for being connected with detection tabs, to wireless digital
Pressure gauge is detected that the screwed hole 1b is at least 3, is distributed on the lower surface of base 1.
There is one to be used for the through hole 1c (referring to Fig. 2) along base thickness direction that medium passes through, this leads on the base 1
Hole 1c causes the pressure-sensitive face of sensor 2 to be communicated with the outside of base 1.
The lower end of base 1 is provided with spanner position, easy disassembly.
The electric supply installation 4 (referring to Fig. 2) includes mounting bracket 4a, battery 4b, battery mounting 4c, the mounting bracket 4a
Lower end is threadedly attached on base 1, and the battery 4b is located in mounting bracket 4a, and upper end is compressed solid by battery mounting 4c
It is fixed.
The display device 6 (referring to Fig. 2) includes liquid crystal board 6a, fixed leg of circuit board 6b, panel 6c, the liquid crystal board 6a
On battery mounting 4c, it is fixed by fixed leg of circuit board 6b, the panel 6c is located on fixed leg of circuit board 6b
Face, is fixed by screw.
U-type groove is provided with the liquid crystal board 6a and panel 6c, for threading.
The radio transmitting device 7 (referring to Fig. 2) includes antenna 7a, day thread fixing plate 7b, antenna protection cover 7c, fixed spiral shell
Female 7d, plug 7e, O-ring seal 7f;One end of the antenna 7a is welded on signal circuit board 5, and the other end passes through plug 7e
Extend in antenna protection cover 7c, and antenna 7a is stuck in antenna protection cover 7c by plug 7e, prevent antenna from coming off;It is described
Antenna protection cover 7c is arranged on day thread fixing plate 7b, is fixed by fixing nut 7d;The plug 7e is arranged on antenna protection
It is threadedly coupled in cover 7c and with antenna protection cover 7c;The O-ring seal 7f is located at day thread fixing plate 7b and antenna protection cover 7c
Between, it is ensured that the sealing of radio transmitting device, prevent rainwater from entering.Described radio transmitting device 7 first connects into one
It is overall, then be installed on the step 3a of the upper end of shell 3, simpler convenience is installed.
Seal 9 is provided between the step 3a of day thread fixing plate 7b and shell 3 upper end (referring to Fig. 1, Fig. 2), it is ensured that
The sealing of structure, prevents rainwater from entering.
The explanation of embodiment described above is only intended to help and understands core concept of the present utility model.It should be pointed out that pair
, can also be to the utility model on the premise of the utility model principle is not departed from for one of ordinary skill in the art
Some improvement and modification are carried out, these improvement and modification also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of wireless digital pressure gauge, including:Base (1), sensor (2) is located at depressed part on the inside of base (1), shell (3)
Lower end is enclosed on base (1), and upper end is provided with step (3a), and electric supply installation (4) is located on base (1), and signal circuit board (5) is installed
In electric supply installation (4) side, display device (6) is located above electric supply installation (4), and radio transmitting device (7) is arranged on shell (3)
On the step (3a) of upper end, it is fixed by locking nut (8), it is characterised in that:Shell (3) upper end is provided with external screw thread
(3b), is connected by external screw thread (3b) with pipeline, base (1), sensor (2) is deep into inside pipeline, radio transmitting device
(7) it is in pipeline external.
2. a kind of wireless digital pressure gauge according to claim 1, it is characterised in that:The external screw thread (3b) is Taper Pipe spiral shell
Line.
3. a kind of wireless digital pressure gauge according to claim 1, it is characterised in that:Set on the side wall of the shell (3)
There is a pressure relief vent (3c), pressure relief vent (3c) upper end is in external screw thread (3b) middle section, and lower end extends to external screw thread (3b) below
In smooth surface.
4. a kind of wireless digital pressure gauge according to claim 1, it is characterised in that:The upper end of the shell (3) is set
There is dismounting recess (3d), the dismounting recess (3d) is at least 2, is evenly distributed on the upper end of shell (3).
5. a kind of wireless digital pressure gauge according to any one of Claims 1-4, it is characterised in that:The locking nut
(8) end face is provided with dismounting hole (8a), and the dismounting hole (8a) is at least 2.
6. a kind of wireless digital pressure gauge according to any one of Claims 1-4, it is characterised in that:The base (1) is outside
Side is provided with circular groove (1a), the groove (1a) and sets O-ring seal.
7. a kind of wireless digital pressure gauge according to any one of Claims 1-4, it is characterised in that:It is described to be wirelessly transferred
Device (7) includes antenna (7a), day thread fixing plate (7b), antenna protection cover (7c), fixing nut (7d), plug (7e), O-shaped close
Seal (7f);One end of the antenna (7a) is welded on signal circuit board (5), and the other end extends to antenna through plug (7e)
In protective cover (7c), and antenna (7a) is stuck in antenna protection cover (7c) by plug (7e);The antenna protection cover (7c)
It is fixed by fixing nut (7d) on day thread fixing plate (7b);The plug (7e) is arranged on antenna protection cover (7c)
It is interior and be threadedly coupled with antenna protection cover (7c);The O-ring seal (7f) is located at day thread fixing plate (7b) and antenna protection cover
Between (7c).
8. a kind of wireless digital pressure gauge according to claim 7, it is characterised in that:The day thread fixing plate (7b) and outer
Seal (9) is provided between the step (3a) of shell (3) upper end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621406188.0U CN206514989U (en) | 2016-12-21 | 2016-12-21 | A kind of wireless digital pressure gauge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621406188.0U CN206514989U (en) | 2016-12-21 | 2016-12-21 | A kind of wireless digital pressure gauge |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206514989U true CN206514989U (en) | 2017-09-22 |
Family
ID=59863476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621406188.0U Expired - Fee Related CN206514989U (en) | 2016-12-21 | 2016-12-21 | A kind of wireless digital pressure gauge |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206514989U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106500905A (en) * | 2016-12-21 | 2017-03-15 | 北京斯贝克科技有限责任公司 | A kind of wireless digital pressure gauge |
CN113043971A (en) * | 2021-04-13 | 2021-06-29 | 湖南大学 | Car PCU electric signal acquisition device |
-
2016
- 2016-12-21 CN CN201621406188.0U patent/CN206514989U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106500905A (en) * | 2016-12-21 | 2017-03-15 | 北京斯贝克科技有限责任公司 | A kind of wireless digital pressure gauge |
CN106500905B (en) * | 2016-12-21 | 2022-04-19 | 北京斯贝克科技有限责任公司 | Wireless digital pressure gauge |
CN113043971A (en) * | 2021-04-13 | 2021-06-29 | 湖南大学 | Car PCU electric signal acquisition device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204831595U (en) | Digital display patch type temperature transmitter | |
CN206514989U (en) | A kind of wireless digital pressure gauge | |
CN106500905A (en) | A kind of wireless digital pressure gauge | |
CN204358429U (en) | A kind of positive/negative pressure protection device | |
CN201637652U (en) | Double-electrode corrosion measuring sensor | |
CN110768201B (en) | Explosion-proof box for cable intermediate joint | |
CN204853914U (en) | Explosion -proof electric heater | |
CN101806636A (en) | Sealed leakage-resistant thermal couple (resistor) | |
CN202676364U (en) | Transformer pressure protection alarm | |
CN202453094U (en) | Internal temperature measuring device for non-shutdown tanks | |
CN201408087Y (en) | Sealing leakage-resisting thermocouple | |
CN203656147U (en) | Speed reducer with device with visible oil level | |
CN201772941U (en) | Multipoint thermocouple specially used for gasification furnace | |
CN205297554U (en) | Sensor and circuit board fixing device of pressure gauge | |
CN111781093A (en) | Telescopic multifunctional drilling fluid detection device | |
CN221038516U (en) | Explosion-proof performance detection device for high-pressure gas storage tank | |
CN206709944U (en) | A kind of anti-pressure type ground level insertion overload detector of sensor line | |
CN206488834U (en) | A kind of float ball liquid level sensor | |
CN214893519U (en) | Buried water meter | |
CN205206808U (en) | Wireless pressure sensor | |
CN204301922U (en) | A kind of hydraulic pressure sensor protective cover | |
CN211147775U (en) | Electronic remote water meter with protection function | |
CN102338646A (en) | Instrument housing | |
CN202599545U (en) | Shell structure of thermistor temperature detector | |
CN203674656U (en) | Low-temperature sealing pipeline |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: Zhao Jinqiao Document name: Notification of conformity |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20211221 |