CN206514989U - A kind of wireless digital pressure gauge - Google Patents

A kind of wireless digital pressure gauge Download PDF

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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
Application number
CN201621406188.0U
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Chinese (zh)
Inventor
韩利民
孙凤仙
李东明
阮昌江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING SPMK TECHNOLOGY Co Ltd
Original Assignee
BEIJING SPMK TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING SPMK TECHNOLOGY Co Ltd filed Critical BEIJING SPMK TECHNOLOGY Co Ltd
Priority to CN201621406188.0U priority Critical patent/CN206514989U/en
Application granted granted Critical
Publication of CN206514989U publication Critical patent/CN206514989U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • 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

A kind of wireless digital pressure gauge
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.
CN201621406188.0U 2016-12-21 2016-12-21 A kind of wireless digital pressure gauge Expired - Fee Related CN206514989U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

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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