CN202547855U - Ceramic thick film resistor oil pressure sensor based on novel connection - Google Patents
Ceramic thick film resistor oil pressure sensor based on novel connection Download PDFInfo
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- CN202547855U CN202547855U CN2012201479753U CN201220147975U CN202547855U CN 202547855 U CN202547855 U CN 202547855U CN 2012201479753 U CN2012201479753 U CN 2012201479753U CN 201220147975 U CN201220147975 U CN 201220147975U CN 202547855 U CN202547855 U CN 202547855U
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- oil pressure
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- thick film
- film resistor
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Abstract
The utility model provides a ceramic thick film resistor oil pressure sensor based on novel connection. The ceramic thick film resistor oil pressure sensor comprises a terminal, a base shell, and a ceramic pressure element and a circuit board which are arranged in the shell, wherein the circuit board is inserted and welded to three inserts of the terminal. The oil pressure sensor is characterized in that the base shell is in sealing connection with the terminal through a connecting piece, and the terminal is flanged and riveted above the connecting piece; a compression ring is arranged above the ceramic pressure element, and the ceramic pressure element is in interference fit with the compression ring and is then pressed into the connecting piece through a hydraulic press and fixed with the connecting piece; and the ceramic pressure element and the circuit board are connected through a soft circuit board. The oil pressure sensor provided by the utility model is simple in structure, the pressure is measured by adopting an MEMS (micro-electromechanical system) technology, and the ceramic pressure element is deformed by the oil pressure, thereby changing the resistance of a Wheatstone bridge and outputting a voltage signal after passing through an amplifier circuit and a filter circuit; and by adopting a compression joint mode, the assembly efficiency can be greatly improved, and the machining cost of parts is reduced.
Description
Technical field
The utility model relates to the automobile engine oil pressure transducer, specifically is a kind of ceramic thick film resistor engine oil pressure pickup of novel connection.
Background technology
The domestic automobile industry still extensively adopts the mechanical type engine oil pressure pickup at present; Its product design principle is to utilize the metallic membrane compressive deformation; Promoting cursor slide through a cover complicated mechanical devices slides on slide wire resistance; The slide wire resistance value is changed, and the electric current that changes the tensimeter coil is with detected pressures.The defective of its structural design is: because the plasticity and the reminiscence characteristic of sensing element metallic membrane, its stability and fatigue resistence are relatively poor; The slip plate portion adopts Φ 0.08 constantan wire, and brush is Φ 0.12 a silvery white copper, and this structure makes the wearing quality of line plate slipper relatively poor; Pressure alarm partly adopts the sliding contact form, and warning bulb cold-state resistance is very little, and the temporary impact electric current is very big, and frequent break-make is prone to produce electric arc when electric and burns out alarm actuating contact.Along with developing of automobile industry; The mechanical type engine oil pressure pickup can not satisfy the needs of new automobile; Be badly in need of the novel automobile of development and use engine oil pressure pickup; And novel electronic formula engine oil pressure pickup adopts silicon chip or metal strain chip more, and wherein silicon chip is corrosion-resistant and resistance to impact is relatively poor, and range ability is narrower; Then there is complex process in the metal strain chip, and manufacturing cost is high, and there is very gross leak risk in welding sequence; And ceramic thick film resistor was both corrosion-resistant, impact range ability broad, and low price; Do not weld risk; The application of restriction ceramic thick film resistor now mainly is divided into two aspects, and the one, traditional structure is for being threaded, and promptly the web member endoporus is attacked internal thread; Again with one attack outer silk ring set screw in the effect that web member reaches fixing ceramic pressure element and sealing, it is lower that screw thread is screwed into efficiency of assembling; Web member and ring set all need machining screw on the other hand, and process for machining is complicated, and production efficiency is low, and processing cost is high.
Summary of the invention
The purpose of the utility model provides a kind of simple in structure, and assembling is reliable, and part processing ceramic thick film resistor engine oil pressure pickup with low cost.
The ceramic thick film resistor engine oil pressure pickup of said a kind of novel connection comprises terminal, base housing and is arranged on ceramic pressure element and the wiring board in the housing; Wiring board is inserted and is welded on three inserted sheets of terminal; It is characterized in that: said base housing and terminal are tightly connected through web member, and terminal turns over riveting above web member; Above the ceramic pressure element, be provided with pressure ring, and be full of with pressure ring and cooperate and the back is pressed in the web member through hydropress, fix, be connected through soft system wiring board between ceramic pressure element and the wiring board with web member.
The joint face of said terminal and web member is provided with the sealing plain cushion.
Be provided with packing washer at the ceramic pressure element in the base housing junction.
Said pressure ring and web member adopt metal material of the same race to process, and are pressed into connection through being full of to cooperate.
The utility model is simple in structure; Adopt M E M S technology to come gaging pressure; Make the ceramic pressure deformed element through engine oil pressure, thereby change the resistance of resistance bridge, through output voltage signal behind amplification, the filtering circuit; Adopt the crimping situation can improve efficiency of assembling greatly, and the machine of minimizing part add cost.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: the 1-terminal, the 2-wiring board, the soft system wiring board of 3-, 4-seals plain cushion; The 5-pressure ring, 6-ceramic pressure element, 7-web member, 8-packing washer, 9-base housing, 10-through hole.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.Among Fig. 1; The ceramic thick film resistor engine oil pressure pickup of said a kind of novel connection comprises terminal 1, base housing 9 and is arranged on ceramic pressure element 6 and the wiring board 2 in the housing; Wiring board 2 is inserted and is welded on three inserted sheets of terminal 1; It is characterized in that: said base housing 9 is tightly connected through web member 7 with terminal 1, and terminal 1 turns over riveting above web member 7; Above ceramic pressure element 6, be provided with pressure ring 5, and be full of with pressure ring 5 and cooperate and the back is pressed in the web member 7 through hydropress, fixing with web member 7, be connected through soft system wiring board 3 between ceramic pressure element 6 and the wiring board 2.
Said terminal 1 is provided with sealing plain cushion 4 with the joint face of web member 7, makes its sealing effectiveness better.
Be provided with packing washer 8 at ceramic pressure element 6 in base housing 9 junctions, the spacing decrement that guarantees packing washer 8 of step is wherein arranged on the web member, reach the effect of sealing.
Said pressure ring 5 adopts metal material of the same race to process with web member 7, is pressed into connection through being full of to cooperate.
When the utility model uses; Earlier base housing 9 is installed on the machine oil base, machine oil gets in the ceramic pressure elements 6 through through hole 10, and ceramic pressure element 6 can the machines oil pressure; Thereby flow to wiring board 2 through soft system wiring board 3; Through after amplifying, carry out carrier modulation through the various modules on the wiring board 2, the signal after the modulation directly drives instrument and exports corresponding engine oil pressure value.
The utility model functional reliability is high, can react the force value of machine oil constantly really, prevents that motor car engine from causing fault because of lacking machine oil.Those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Belong within the scope of basic design or equivalent technologies of the utility model if these of the utility model are revised with modification, then the utility model also should comprise these changes and modification interior.
Claims (4)
1. the ceramic thick film resistor engine oil pressure pickup of a novel connection; Comprise terminal (1), base housing (9) and be arranged on ceramic pressure element (6) and the wiring board (2) in the housing; Wiring board (2) is inserted and is welded on three inserted sheets of terminal (1); It is characterized in that: said base housing (9) is tightly connected through web member (7) with terminal (1), and terminal (1) turns over the top of riveting in web member (7); Be provided with pressure ring (5) in the top of ceramic pressure element (6), and be full of with pressure ring (5) and cooperate and the back is pressed in the web member (7) through hydropress, fixing with web member (7), be connected through soft system wiring board (3) between ceramic pressure element (6) and the wiring board (2).
2. the ceramic thick film resistor engine oil pressure pickup of a kind of novel connection according to claim 1 is characterized in that: said terminal (1) is provided with sealing plain cushion (4) with the joint face of web member (7).
3. the ceramic thick film resistor engine oil pressure pickup of a kind of novel connection according to claim 1 is characterized in that: be provided with packing washer (8) at ceramic pressure element (6) in base housing (9) junction.
4. the ceramic thick film resistor engine oil pressure pickup of a kind of novel connection according to claim 1 is characterized in that: said pressure ring (5) and web member (7) adopt metal material of the same race to process, and are pressed into connection through being full of to cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201479753U CN202547855U (en) | 2012-04-10 | 2012-04-10 | Ceramic thick film resistor oil pressure sensor based on novel connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201479753U CN202547855U (en) | 2012-04-10 | 2012-04-10 | Ceramic thick film resistor oil pressure sensor based on novel connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547855U true CN202547855U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201479753U Expired - Lifetime CN202547855U (en) | 2012-04-10 | 2012-04-10 | Ceramic thick film resistor oil pressure sensor based on novel connection |
Country Status (1)
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615530A (en) * | 2013-11-28 | 2014-03-05 | 盛瑞传动股份有限公司 | Automotive pressure transducer used for transmission |
| CN103712729A (en) * | 2013-12-18 | 2014-04-09 | 中国电子科技集团公司第四十八研究所 | Non-welding-sealed pressure sensor |
| CN103868639A (en) * | 2012-12-12 | 2014-06-18 | 浙江盾安人工环境股份有限公司 | Pressure transmitter |
| CN103940546A (en) * | 2014-04-24 | 2014-07-23 | 无锡中科恒捷汽车电子有限公司 | Electronic type oil pressure sensor based on ceramic pressure chip |
| CN104568240A (en) * | 2013-10-14 | 2015-04-29 | Vega格里沙贝两合公司 | Measuring arrangement with a ceramic measuring cell |
| CN105716778A (en) * | 2014-12-18 | 2016-06-29 | Mgi库贴公司 | PRESSURE MEASUREMENT DEVICE AND BRAKING SYSTEM COMPRISING same |
| CN105806542A (en) * | 2016-04-29 | 2016-07-27 | 深圳市宇朔晶合微机电技术有限公司 | Air pressure sensor |
| CN106595804A (en) * | 2017-02-07 | 2017-04-26 | 浙江众邦机电科技有限公司 | Industrial sewing machine and fuel quantity detection system applied to same, and ceramic pressure sensing apparatus |
| CN109238520A (en) * | 2018-10-31 | 2019-01-18 | 东风汽车电子有限公司 | A kind of novel pressure sensor |
| CN109269683A (en) * | 2018-10-31 | 2019-01-25 | 东风汽车电子有限公司 | A kind of sealing structure of pressure sensor |
| CN109341752A (en) * | 2018-08-14 | 2019-02-15 | 襄阳臻芯传感科技有限公司 | A kind of idle call pressure-temperature sensor |
| KR102107805B1 (en) * | 2018-12-26 | 2020-05-08 | 주식회사 이엠티 | Method for manufacturing ceramic diaphragm for pressure sensor by thick film printing process and pressure sensor using the same method |
-
2012
- 2012-04-10 CN CN2012201479753U patent/CN202547855U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868639A (en) * | 2012-12-12 | 2014-06-18 | 浙江盾安人工环境股份有限公司 | Pressure transmitter |
| CN104568240A (en) * | 2013-10-14 | 2015-04-29 | Vega格里沙贝两合公司 | Measuring arrangement with a ceramic measuring cell |
| CN103615530A (en) * | 2013-11-28 | 2014-03-05 | 盛瑞传动股份有限公司 | Automotive pressure transducer used for transmission |
| CN103712729B (en) * | 2013-12-18 | 2016-06-29 | 中国电子科技集团公司第四十八研究所 | Non-solder seals pressure transducer |
| CN103712729A (en) * | 2013-12-18 | 2014-04-09 | 中国电子科技集团公司第四十八研究所 | Non-welding-sealed pressure sensor |
| CN103940546A (en) * | 2014-04-24 | 2014-07-23 | 无锡中科恒捷汽车电子有限公司 | Electronic type oil pressure sensor based on ceramic pressure chip |
| CN105716778A (en) * | 2014-12-18 | 2016-06-29 | Mgi库贴公司 | PRESSURE MEASUREMENT DEVICE AND BRAKING SYSTEM COMPRISING same |
| CN105806542A (en) * | 2016-04-29 | 2016-07-27 | 深圳市宇朔晶合微机电技术有限公司 | Air pressure sensor |
| CN106595804A (en) * | 2017-02-07 | 2017-04-26 | 浙江众邦机电科技有限公司 | Industrial sewing machine and fuel quantity detection system applied to same, and ceramic pressure sensing apparatus |
| CN109341752A (en) * | 2018-08-14 | 2019-02-15 | 襄阳臻芯传感科技有限公司 | A kind of idle call pressure-temperature sensor |
| CN109238520A (en) * | 2018-10-31 | 2019-01-18 | 东风汽车电子有限公司 | A kind of novel pressure sensor |
| CN109269683A (en) * | 2018-10-31 | 2019-01-25 | 东风汽车电子有限公司 | A kind of sealing structure of pressure sensor |
| KR102107805B1 (en) * | 2018-12-26 | 2020-05-08 | 주식회사 이엠티 | Method for manufacturing ceramic diaphragm for pressure sensor by thick film printing process and pressure sensor using the same method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 430056, Wuhan economic and Technological Development Zone, Hubei, 9MC block, four North Lake Road, No. 16 Patentee after: Wuhan mobile automotive electronic and electrical appliance Limited by Share Ltd Address before: 430000, Hubei, Wuhan Economic Development Zone, Wuhan Province, after the Lake Road East North District, building 6 Patentee before: Wuhan SD Automobile Electronic Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |