CN203011603U - Pressure transmitter - Google Patents
Pressure transmitter Download PDFInfo
- Publication number
- CN203011603U CN203011603U CN 201220686275 CN201220686275U CN203011603U CN 203011603 U CN203011603 U CN 203011603U CN 201220686275 CN201220686275 CN 201220686275 CN 201220686275 U CN201220686275 U CN 201220686275U CN 203011603 U CN203011603 U CN 203011603U
- Authority
- CN
- China
- Prior art keywords
- cable
- base
- circuit board
- pressure
- sensor core
- Prior art date
Links
- 230000001702 transmitter Effects 0.000 title abstract 4
- 230000000994 depressed Effects 0.000 claims abstract description 4
- 239000003921 oils Substances 0.000 claims description 7
- 238000009987 spinning Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylons Polymers 0.000 claims description 6
- 239000003570 air Substances 0.000 claims description 4
- 239000011257 shell materials Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000002585 bases Substances 0.000 description 26
- 239000002828 fuel tank Substances 0.000 description 5
- 230000003137 locomotive Effects 0.000 description 5
- 239000002283 diesel fuels Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000011901 water Substances 0.000 description 2
- 238000002485 combustion reactions Methods 0.000 description 1
- 239000002131 composite materials Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core components Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 239000000446 fuels Substances 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229920002379 silicone rubbers Polymers 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 238000007619 statistical methods Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
Description
Technical field
The utility model relates to a kind of pressure unit.
Background technology
Diesel locomotive energy consumption monitoring statistical analysis system need to adopt pressure unit, is used for detecting diesel oil pressure in the diesel locomotive fuel tank, in conjunction with the corresponding tank model of locomotive, calculates fuel tank fuel quantity.
During the work of the diesel engine of diesel locomotive, fail the higher diesel oil of perfect combustion and temperature to be back to fuel tank, make that in fuel tank, diesel fuel temperature maintains a higher temperature; In addition, China is vast in territory, and each Climate is totally different, and environment temperature also is not quite similar, therefore need pressure unit can keep good sealing in different temperature ranges.Existing pressure unit, sealing property etc. can't meet the demands.
Therefore, be necessary to design a kind of novel pressure unit.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of pressure unit, and this pressure unit good airproof performance is simple in structure, easy to implement.
The technical solution of utility model is as follows:
A kind of pressure unit comprises base (1), sensor core (3), pressure ring (4), circuit board, display pipe (9), cable screwing device (10) and cable (11);
One end spinning of display pipe (9) is on base (1); The other end of display pipe (9) is equipped with described cable screwing device (10);
Sensor core (3) is placed in the inboard depressed part of base (1), and pressure ring (4) is arranged on base (1) and goes up and push down this sensor core (3), and pressure ring (4) adopts threaded engagement with base (1); Circuit board is arranged on pressure ring (4); Described circuit board is positioned at display pipe (9); One end connecting circuit board of cable (11), the other end of cable (11) is drawn from the through hole at cable screwing device (10) center.
Described cable (11) is the air guide cable.
Circuit board comprises interface card (6) and is arranged on main circuit board (8) on interface card (6), and interface card (6) is fixed on pressure ring (4) by screw (7).
Screw (7) passes spinning on pressure ring (4) from nylon insulated column (6).
Display pipe (9) is threaded connection with cable screwing device (10).
Have a through hole along the thickness direction of base that is used for that oil passes through on base (1), this through hole makes the detection faces of sensor core (3) and the exterior of base (1).
Be provided with O RunddichtringO (2) on base (1).
Beneficial effect:
Pressure unit of the present utility model has following characteristics:
1) sensor construction spare all adopts stainless steel.Can bear the corrosion of oil, water.
2) O-ring seals of customization is housed on base 1, the sealing grade is high.
3) O shape circle adopts composite silicone rubber, the corrosion that can bear oil, water.
4) compact overall structure, resistance to impact is good.
5) shell is designed with the spanner position, and is for convenience detach.
6) the nylon insulated column is housed between circuit board and core component, has not only insulated but also well vibration damping is locking.
7) pressure ring screws length with screw thread and compresses core body, makes its relative with base static in the base cavity.
8) this Product Assembly is simple, and technological operation is good.The finished product screw thread is installed, and is simple and reliable.
In sum, pressure unit of the present utility model, volume is little, good airproof performance, easily install, the serviceability temperature scope is wide, debugging is convenient, can under abominable working environment, measure accurately, reliably the locomotive fuel tank oil pressure.Degree of protection reaches IP68, can be used as rail vehicles low-pressure type pressure unit, also can be used for the occasion that automobile, steamer, engineering machinery vehicle etc. need detected pressures.
Description of drawings
Fig. 1 is the sectional view of pressure unit of the present utility model;
Fig. 2 is the three-view diagram of pressure unit of the present utility model; (figure a-c is respectively upward view, front view and left view)
Wherein: 1-base, 2-○-shaped seal ring, 3-sensor core, 4-pressure ring, 5-nylon insulated column, 6-interface card, 7-screw, 8-main circuit board, 9-display pipe, 10-cable screwing device, 11-air guide cable.
Embodiment
Below with reference to the drawings and specific embodiments, the utility model is described in further details:
Embodiment 1:
As shown in Fig. 1-2, a kind of pressure unit is characterized in that, comprises base 1, sensor core (3), pressure ring 4, circuit board, display pipe 9, cable screwing device 10 and cable 11;
One end spinning of display pipe 9 (by threaded engagement spinning on base) on base 1; The other end of display pipe 9 is equipped with described cable screwing device 10;
Sensor core 3 is arranged in the inboard depressed part of base 1, and pressure ring 4 is arranged on base 1 and pushes down this sensor core 3 (being specially the stainless steel boss of pushing down sidepiece), and pressure ring and base adopt threaded engagement; Circuit board is arranged on pressure ring 4; Described circuit board is positioned at display pipe 9; One end connecting circuit board of cable 11, the other end of cable 11 is drawn from the through hole at cable screwing device 10 centers.
Described cable 11 is the air guide cable.
Circuit board comprises interface card 6 and the main circuit board 8 that is arranged on interface card 6, and interface card 6 is fixed on pressure ring 4 by screw 7.
Screw 7 passes spinning on pressure ring 4 from nylon insulated column 6.
Display pipe 9 is threaded connection with cable screwing device 10.
Be provided with O RunddichtringO 2 on base 1.
Have a through hole along the thickness direction of base that is used for that oil passes through on base 1, this through hole makes the detection faces of sensor core 3 and the exterior of base 1.Pressure passes through the transfer function of oil on sensor core.
The Product Assembly method is as follows: ○-shaped seal ring is enclosed within base 1 bottom, and sensor core 3 levels are inserted in base 1, and pressure ring 4 screws in bases 1, consists of the pressure sensor core assembling, should not touch, damage the sensor core detection faces in assembling process; Interface card 6 and main circuit board 8 by on 2 screws (band plain cushion, bullet pad), 7 pressure rings 4 that are fixed in the pressure sensor core assembling, adopt the nylon insulated column to separate by welding assembly unit interface card 6 between interface card 6 and pressure ring 4; Cable 11 passes cable screwing device 10, is welded on after wire stripping on main circuit board 8; Cable screwing device 10 is screwed on display pipe 9 by screw thread.
The principle of product: pressure-acting is on the detection faces of sensor core, and sensor core is converted to pressure signal the voltage signal circuit plate and the cable output signal is arranged.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686275 CN203011603U (en) | 2012-12-13 | 2012-12-13 | Pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686275 CN203011603U (en) | 2012-12-13 | 2012-12-13 | Pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011603U true CN203011603U (en) | 2013-06-19 |
Family
ID=48603186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220686275 CN203011603U (en) | 2012-12-13 | 2012-12-13 | Pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011603U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487097A (en) * | 2013-09-17 | 2014-01-01 | 广州市番禺奥迪威电子有限公司 | High-temperature-resisting ultrasonic flow sensor |
| CN104280052A (en) * | 2014-09-18 | 2015-01-14 | 昆明理工大学 | Circuit structure of compact type two-wire-system thermocouple transmitter and installing method thereof |
| CN105258841A (en) * | 2015-11-12 | 2016-01-20 | 刘辉 | Pressure sampling device and pressure sampling system comprising the device |
| WO2017096656A1 (en) * | 2015-12-07 | 2017-06-15 | 海卓赛思（苏州）传感技术有限公司 | Transmitter for online monitoring of moisture, hydrogen content, and temperature of transformer |
-
2012
- 2012-12-13 CN CN 201220686275 patent/CN203011603U/en active IP Right Grant
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487097A (en) * | 2013-09-17 | 2014-01-01 | 广州市番禺奥迪威电子有限公司 | High-temperature-resisting ultrasonic flow sensor |
| CN103487097B (en) * | 2013-09-17 | 2017-04-19 | 广东奥迪威传感科技股份有限公司 | High-temperature-resisting ultrasonic flow sensor |
| CN104280052A (en) * | 2014-09-18 | 2015-01-14 | 昆明理工大学 | Circuit structure of compact type two-wire-system thermocouple transmitter and installing method thereof |
| CN104280052B (en) * | 2014-09-18 | 2017-06-13 | 昆明理工大学 | A kind of circuit structure and its installation method of pocket two-wire system Thermocouple Temperature Transmitter |
| CN105258841A (en) * | 2015-11-12 | 2016-01-20 | 刘辉 | Pressure sampling device and pressure sampling system comprising the device |
| WO2017096656A1 (en) * | 2015-12-07 | 2017-06-15 | 海卓赛思（苏州）传感技术有限公司 | Transmitter for online monitoring of moisture, hydrogen content, and temperature of transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model |