CN203688040U - Oscillating bar type liquid level sensor - Google Patents
Oscillating bar type liquid level sensor Download PDFInfo
- Publication number
- CN203688040U CN203688040U CN201320867861.0U CN201320867861U CN203688040U CN 203688040 U CN203688040 U CN 203688040U CN 201320867861 U CN201320867861 U CN 201320867861U CN 203688040 U CN203688040 U CN 203688040U
- Authority
- CN
- China
- Prior art keywords
- liquid level
- level sensor
- type liquid
- sensing module
- information sensing
- 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 - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 28
- 235000014676 Phragmites communis Nutrition 0.000 claims description 22
- 239000002775 capsule Substances 0.000 claims description 14
- 238000004100 electronic packaging Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The utility model discloses an oscillating bar type liquid level sensor. The liquid level sensor comprises a sealed shell, wherein an information sensing module is packaged in the shell and connected with an output wire drawn from the shell; an oscillating arm is installed at the top of the shell in an oscillating manner; a magnet is arranged at the head of the oscillating arm; the oscillating bar type liquid level sensor further comprises an oscillating bar; a starting end of the oscillating bar is rotatably mounted on one side of the oscillating arm; a floater is mounted at a tail bar section of the oscillating bar in a sleeving way. The oscillating bar type liquid level sensor disclosed by the utility model can be applied to different liquid fuels, and further can be used to substitute all currently used contact type sensors after standardization for approval.
Description
Technical field
The utility model relates to vehicle liquid level sensor field, is specially a kind of oscillating rod type liquid level sensor.
Background technology
Automobile oscillating rod type liquid level sensor used mostly is contact at present, information module directly contacts with fuel with electron device in the course of the work, particularly the methanol fuel of new-energy automobile is extremely strong to the corrosivity of information module, has liquid level sensor corrosion-vulnerable and causes short problem in serviceable life.
Utility model content
The purpose of this utility model is to provide a kind of oscillating rod type liquid level sensor, to solve prior art automobile contact liquid level sensor corrosion-vulnerable short problem in serviceable life.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of oscillating rod type liquid level sensor, include seal casinghousing, it is characterized in that: in housing, be packaged with information sensing module by Electronic Packaging technique, in information sensing module, be reserved with signal output part, on described signal output part, be connected with the output lead of drawing from housing, described case top swings swing arm is installed, swing arm head is provided with information sensing module responds to the magnet coordinating, also comprise the fork that is space multistage meander-like, fork top is rotatably installed in swing arm head one side, in the bar section of fork end, is set with float.
Described a kind of oscillating rod type liquid level sensor, it is characterized in that: described information sensing module by PCB wiring board, be assemblied in PCB wiring board positive and be multiple reed switchs of fan-shaped layout, the resistance device that is assemblied in the PCB wiring board back side forms, described magnet is responded to and is coordinated with multiple reed switch.Its sensor circuit is by more than ten resistance and reed capsule resistance switch circuit that more than ten reed capsule forms, and the fan-shaped layout of reed capsule branch angle is 7.5 degree, and between reed capsule pin, spacing is 11 millimeters.
(between resistance device and reed switch, there is there what relation? what circuit are do they to be interconnected to constitute? please write clearly)
Described a kind of oscillating rod type liquid level sensor, is characterized in that: the upper cover that described housing is combined in mounting seat one side by mounting seat and gland bonnet forms, and information sensing module is arranged in mounting seat, and output lead is drawn from mounting seat.
Described a kind of oscillating rod type liquid level sensor, is characterized in that: described housing is also installed with analog bracket outward.
Described a kind of oscillating rod type liquid level sensor, is characterized in that: described fork end passes float and fork end and be connected with the packing ring of spacing float.
The utility model has the advantages that:
1. non-contact measurement is without wearing and tearing, and signal output accurately.
2. information sensing module employing Electronic Packaging technique and fluid to be measured are contactless, corrosion-resistant, long service life.
3. total member, by parts general assembly moulding, is convenient to assembling, is changed.
4. can directly replace existing like product (only need demarcate).
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram.
Fig. 2 is the loose view of the utility model structure.
Embodiment
As shown in Figure 1 and Figure 2.A kind of oscillating rod type liquid level sensor, include seal casinghousing 11, in housing 11, be packaged with information sensing module 1 by Electronic Packaging technique, in information sensing module 1, be reserved with signal output part, on signal output part, be connected with the output lead 10 of drawing from housing 11, housing 11 tops swing swing arm 4 are installed, swing arm 4 heads are provided with information sensing module 1 responds to the magnet 9 coordinating, also comprise the fork 6 that is space multistage meander-like, fork 6 tops are rotatably installed in swing arm 4 head one sides, in the last bar section of fork 6, are set with float 7.
6 beginning of fork bar section 61 is to be rotatably installed in swing arm 4 head one sides perpendicular to the direction of swing arm 4 head one sides, fork 6 second bar sections 62 are perpendicular to 6 beginning of fork bar section 61 downward-sloping, fork 6 the 3rd bar section 63 is along being horizontally disposed with, fork 6 the 4th bar section 64 edge direction settings vertically upward, the last bar section 65 of fork 6 is perpendicular to fork 6 the 3rd bar section 63, the 4th bar section.
Information sensing module 1 by PCB wiring board, be assemblied in PCB wiring board positive and be multiple reed switchs of fan-shaped layout, the resistance device that is assemblied in the PCB wiring board back side forms, magnet 9 is responded to and is coordinated with multiple reed switch.Its sensor circuit is by more than ten resistance and reed capsule resistance switch circuit that more than ten reed capsule forms, and the fan-shaped layout of reed capsule branch angle is 7.5 degree, and between reed capsule pin, spacing is 11 millimeters.
The upper cover 3 that housing 11 is combined in mounting seat 2 one sides by mounting seat 2 and gland bonnet forms, and information sensing module 1 is arranged in mounting seat 2, and output lead 10 is drawn from mounting seat 2.
The outer analog bracket 5 that is also installed with of housing 11.
Fork 6 ends pass float 7 and fork 6 ends and are connected with the packing ring 8 of spacing float 7.
In the utility model, the senser element in information sensing module adopts sector structure layout to be assembled on PCB wiring board front, and resistance device is assemblied in the back side.PCB circuit board module adopts Electronic Packaging technique to encapsulate, and after finished parts assembling, is assembled on lubricating cup, and in the time that liquid level changes, swing arm is rotated, magnet induction reed switch closure, disconnection output resistance signal.
Its principle of the utility model work is: when fuel tank liquid level changes, float drives fork to move up and down, fork drives swing arm to rotate, the magnet rotary inductive reed switch closure of swing arm head, disconnection, reed switch circuit output resistance, set up the corresponding relation of liquid level and output resistance, realize the variation of measuring liquid level in fuel tank.
Claims (5)
1. an oscillating rod type liquid level sensor, include seal casinghousing, it is characterized in that: in housing, be packaged with information sensing module by Electronic Packaging technique, in information sensing module, be reserved with signal output part, on described signal output part, be connected with the output lead of drawing from housing, described case top swings swing arm is installed, swing arm head is provided with information sensing module responds to the magnet coordinating, also comprise the fork that is space multistage meander-like, fork top is rotatably installed in swing arm head one side, in the bar section of fork end, is set with float.
2. a kind of oscillating rod type liquid level sensor according to claim 1, it is characterized in that: described information sensing module by PCB wiring board, be assemblied in PCB wiring board positive and be multiple reed capsules of fan-shaped layout, the resistance device that is assemblied in the PCB wiring board back side forms, described magnet is responded to and is coordinated with multiple reed capsule;
Its sensor circuit is by more than ten resistance and reed capsule resistance switch circuit that more than ten reed capsule forms, and the fan-shaped layout of reed capsule branch angle is 7.5 degree, and between reed capsule pin, spacing is 11 millimeters.
3. a kind of oscillating rod type liquid level sensor according to claim 1, it is characterized in that: the upper cover that described housing is combined in mounting seat one side by mounting seat and gland bonnet forms, information sensing module is arranged in mounting seat, and output lead is drawn from mounting seat.
4. a kind of oscillating rod type liquid level sensor according to claim 3, is characterized in that: described housing is also installed with analog bracket outward.
5. a kind of oscillating rod type liquid level sensor according to claim 3, is characterized in that: described fork end passes float and fork end and be connected with the packing ring of spacing float.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867861.0U CN203688040U (en) | 2013-12-24 | 2013-12-24 | Oscillating bar type liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867861.0U CN203688040U (en) | 2013-12-24 | 2013-12-24 | Oscillating bar type liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203688040U true CN203688040U (en) | 2014-07-02 |
Family
ID=51009927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320867861.0U Expired - Lifetime CN203688040U (en) | 2013-12-24 | 2013-12-24 | Oscillating bar type liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203688040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759790A (en) * | 2013-12-24 | 2014-04-30 | 合肥邦立电子股份有限公司 | Oscillating bar type liquid level sensor |
-
2013
- 2013-12-24 CN CN201320867861.0U patent/CN203688040U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759790A (en) * | 2013-12-24 | 2014-04-30 | 合肥邦立电子股份有限公司 | Oscillating bar type liquid level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |