CN201555637U - Thick film circuit board of liquid and oil level sensor - Google Patents
Thick film circuit board of liquid and oil level sensor Download PDFInfo
- Publication number
- CN201555637U CN201555637U CN2009202792739U CN200920279273U CN201555637U CN 201555637 U CN201555637 U CN 201555637U CN 2009202792739 U CN2009202792739 U CN 2009202792739U CN 200920279273 U CN200920279273 U CN 200920279273U CN 201555637 U CN201555637 U CN 201555637U
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- CN
- China
- Prior art keywords
- silver
- thick film
- circuit board
- film circuit
- ruthenium
- Prior art date
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- Expired - Fee Related
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Abstract
A thick film circuit board of a liquid and oil level sensor comprises a sensor body, a thick film circuit board, silver palladium conductors and ruthenium resistors, wherein two sliding contacts of the sensor body are respectively pressed on two guide belts, either an input lead or an output lead is electrically connected with a spring of the sensor body and the other one is connected with the guide belts; the silver palladium conductors are arranged in a row, the ruthenium resistors are arranged on the silver palladium conductors and distributed at the middle parts of the silver palladium conductors, and the two guide belts are respectively distributed at the upper and the lower parts of the silver palladium conductors and in electrical contact with the silver palladium conductors. The two sliding contacts of the sensor body are in contact with the two ends of each conductor respectively, and even if one of the two contacts is broken caused by the wearing of the conductors in use, the other contact still can stably output signals. The thick film circuit board is made by adopting the printing technology and prolongs the service life of the product.
Description
Technical field:
The utility model relates to liquid level, fuel level sensor technical field, more specifically in automotive oil tank inside how many oil masses being measured, sends automobile oil gauge to, the Fuel Oil Remaining that shows after the processing.
Background technology:
Fuel level sensor is the sensor that automotive oil tank must be equipped, and it can in time indicate the amount of fuel in the fuel tank with after automobile power system, oil level gage are connected.
Traditional liquid level, fuel level sensor adopt accurate thick-film resistor sheet to realize variable resistor, and this working sensor principle is simple, and just a variable resistor is put into fuel tank and got final product.Its variable resistor adopts the contact to contact with the friction of thick-film resistor sheet, realizes monitoring liquid level or oil level by changing resistance.Be illustrated in figure 1 as the structural representation of existing liquid level, fuel level sensor, it comprises body 101, swivel mount 102, reed 103 and input and output lead, swivel mount 102 is fixed on the bearing, bearing fixing is on body 1, reed 103 is fixed on the swivel mount 102, and the front end of reed 103 has two sliding contacts 104,105.Be illustrated in figure 2 as the structural representation of the thick film circuit board of existing liquid level, fuel level sensor, two sliding contacts 104,105 of liquid level, fuel level sensor are pressed on conduction band G, the F, one of them of input lead or output lead is connected with described reed 103, and another then links to each other with described conduction band G, F; Its weak point is: conduction band G, F are pressed in respectively on the different thick-film resistors, two electric contact A, B, two of electric contact A and electric contact B can disconnect if electric contact A weares and teares conductor, sensor can't be worked, this design does not reach a contact and conductor wearing and tearing disconnection in use occurs, another contact highly stable effect of output signal of yet working.
The utility model content:
The purpose of this utility model is to be provided for a kind of liquid level in the fuel level sensor, the thick film circuit board of fuel level sensor, its two contact contacts each two ends of conductor respectively, even conductor wearing and tearing disconnection in use appears in one of them contact, another contact output signal of also working is highly stable, this circuit board adopts typography to produce, and has increased the serviceable life of product.
Technology solution of the present utility model is as follows:
The thick film circuit board of a kind of liquid level, fuel level sensor, it comprises that sensor body 1, thick film circuit substrate 2, silver-colored palladium conductor 4 and ruthenium are resistance 3, two sliding contacts 5,6 of sensor body 1 are pressed in respectively on the conduction band 7,8, one of them of input lead or output lead is electrically connected with the reed of sensor body 1, and another then links to each other with described conduction band 7,8; It is characterized in that: silver-colored palladium conductor 4 is a row, and ruthenium is that resistance 3 is arranged on the silver-colored palladium conductor 4, and ruthenium is that resistance 3 is distributed in silver-colored palladium conductor 4 middle parts, and two conduction bands 7,8 are distributed in the upper and lower of silver-colored palladium conductor 4 respectively and electrically contact with silver-colored palladium conductor 4.
Described ruthenium is that resistance 3 is printed on silver-colored palladium conductor 4 middle parts.
Described and electric connection point 9 conduction band 7,8 is one.
The beneficial effects of the utility model are:
1, two contacts contact each two ends of conductor respectively, even conductor wearing and tearing disconnection in use appears in one of them contact, another contact output signal of also working is highly stable.
2, described ruthenium be resistance to adopt described ruthenium be that the resistance data is printed on silver-colored palladium conductor middle part, this circuit board adopts typography to produce, and has increased the serviceable life of product.
Description of drawings:
Fig. 1 is the structural representation of existing liquid level, fuel level sensor;
Fig. 2 is the structural representation of the thick film circuit board of existing liquid level, fuel level sensor;
Fig. 3 is a structural representation of the present utility model.
Embodiment:
Embodiment, see Fig. 3, the thick film circuit board of a kind of liquid level, fuel level sensor, it comprises that sensor body 1, thick film circuit substrate 2, silver-colored palladium conductor 4 and ruthenium are resistance 3, two sliding contacts 5 of sensor body 1, the reed of sensor body 1 are electrically connected, and another then links to each other with described conduction band 7,8; It is characterized in that: silver-colored palladium conductor 4 is a row, ruthenium is that resistance 3 is arranged in silver-colored palladium and leads 6 and be pressed in respectively on the conduction band 7,8, on one of them of input lead or output lead and the body 4, ruthenium is that resistance 3 is distributed in silver-colored palladium conductor 4 middle parts, and two conduction bands 7,8 are distributed in the upper and lower of silver-colored palladium conductor 4 respectively and electrically contact with silver-colored palladium conductor 4.
Described ruthenium is that resistance 3 is printed on silver-colored palladium conductor 4 middle parts.
Described and electric connection point 9 conduction band 7,8 is one.
Principle of work: two sliding contacts 5,6 contact silver-colored palladium conductor 4 each two ends respectively, even silver-colored palladium conductor 4 conductors wearing and tearing disconnection in use appears in one of them contact, another contact output signal of also working is highly stable.
Claims (3)
1. the thick film circuit board of a liquid level, fuel level sensor, it comprises that sensor body (1), thick film circuit substrate (2), silver-colored palladium conductor (4) and ruthenium are resistance (3), two sliding contacts (5,6) of sensor body (1) are pressed in respectively on the conduction band (7,8), one of them of input lead or output lead is electrically connected with the reed of sensor body (1), and another then links to each other with described conduction band (7,8); It is characterized in that: silver-colored palladium conductor (4) is a row, ruthenium is that resistance (3) is arranged on the silver-colored palladium conductor (4), ruthenium is that resistance (3) is distributed in silver-colored palladium conductor (4) middle part, and two conduction bands (7,8) are distributed in the upper and lower of silver-colored palladium conductor (4) respectively and electrically contact with silver-colored palladium conductor (4).
2. the thick film circuit board of a kind of liquid level according to claim 1, fuel level sensor is characterized in that: ruthenium is that resistance (3) is printed on silver-colored palladium conductor (4) middle part.
3. the thick film circuit board of a kind of liquid level according to claim 1, fuel level sensor is characterized in that: with the electric connection point (9) of conduction band (7,8) be one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202792739U CN201555637U (en) | 2009-11-30 | 2009-11-30 | Thick film circuit board of liquid and oil level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202792739U CN201555637U (en) | 2009-11-30 | 2009-11-30 | Thick film circuit board of liquid and oil level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555637U true CN201555637U (en) | 2010-08-18 |
Family
ID=42615323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202792739U Expired - Fee Related CN201555637U (en) | 2009-11-30 | 2009-11-30 | Thick film circuit board of liquid and oil level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201555637U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880236A (en) * | 2015-06-23 | 2015-09-02 | 浙江湖州新京昌电子有限公司 | Novel oil level sensor structure |
| CN107870018A (en) * | 2016-09-23 | 2018-04-03 | 韩国自动车部品株式会社 | Fuel tank fuel level sensing device further |
| CN107990960A (en) * | 2017-06-08 | 2018-05-04 | 上海盈智汽车零部件有限公司 | A kind of oil-level sensor |
| CN109724669A (en) * | 2019-01-24 | 2019-05-07 | 广西桂仪科技有限公司 | One kind being used for automobile oil level sensor and its preparation process |
| CN111103085A (en) * | 2019-12-16 | 2020-05-05 | 武汉驰电科技有限公司 | Mechanical pressure sensor |
-
2009
- 2009-11-30 CN CN2009202792739U patent/CN201555637U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880236A (en) * | 2015-06-23 | 2015-09-02 | 浙江湖州新京昌电子有限公司 | Novel oil level sensor structure |
| CN107870018A (en) * | 2016-09-23 | 2018-04-03 | 韩国自动车部品株式会社 | Fuel tank fuel level sensing device further |
| CN107990960A (en) * | 2017-06-08 | 2018-05-04 | 上海盈智汽车零部件有限公司 | A kind of oil-level sensor |
| CN107990960B (en) * | 2017-06-08 | 2024-02-23 | 上海盈智汽车零部件有限公司 | Novel oil level sensor |
| CN109724669A (en) * | 2019-01-24 | 2019-05-07 | 广西桂仪科技有限公司 | One kind being used for automobile oil level sensor and its preparation process |
| CN111103085A (en) * | 2019-12-16 | 2020-05-05 | 武汉驰电科技有限公司 | Mechanical pressure sensor |
| CN111103085B (en) * | 2019-12-16 | 2021-08-06 | 武汉驰电科技有限公司 | Mechanical pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |