CN202057286U - Resistance position sensor - Google Patents
Resistance position sensor Download PDFInfo
- Publication number
- CN202057286U CN202057286U CN2011201425636U CN201120142563U CN202057286U CN 202057286 U CN202057286 U CN 202057286U CN 2011201425636 U CN2011201425636 U CN 2011201425636U CN 201120142563 U CN201120142563 U CN 201120142563U CN 202057286 U CN202057286 U CN 202057286U
- Authority
- CN
- China
- Prior art keywords
- reed switch
- dry reed
- resistance
- chip microcomputer
- converter
- 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
Links
Abstract
The utility model discloses a resistance position sensor, which comprises a dry reed switch, a converter and a cylindrical shell, wherein the dry reed switch comprises a circuit board and a plurality of resistors, the converter comprises a conjunction box and a one-chip microcomputer, the dry reed switch is arranged in the cylindrical shell to form an enclosed space, the one-chip microcomputer of the converter is disposed in the conjunction box, the conjunction box is placed at one end of the cylindrical shell, and the one-chip microcomputer is connected with the dry reed switch. The resistance position sensor is simple in structure, low in cost, wide in application scope, and is particularly suitable for the field of liquid level stroke position sensing.
Description
Technical field
The utility model belongs to instrument field, is specifically related to a kind of resistance displacement sensor.
Background technology
Related position transducer mainly comprises the position transducer of electronic position sensor and Mechanical Contact formula in the present industry.Wherein, Mechanical Contact formula position transducer mainly exists application limited, the problem that induction precision is low; Although and electronic sensor such as electronic ruler etc. can improve induction precision, its electronic system complexity, the shortcoming that manufacturing cost is high are also very obvious, so its range of application also has been subjected to certain influence.
Summary of the invention
The purpose of this utility model is to provide a kind of induction precision height, low cost of manufacture, position transducer applied widely, especially a kind of resistance position transducer.
In order to realize the utility model, the utility model is taked following scheme:
A kind of resistance position transducer, it comprises dry reed switch, converter and cylindrical shell, dry reed switch comprises wiring board and several resistance, converter is made up of terminal box and single-chip microcomputer, wherein dry reed switch is arranged on and forms a confined space in the cylindrical shell, the single-chip microcomputer of converter places in the terminal box, and terminal box places cylindrical shell one end, and single-chip microcomputer is connected with dry reed switch.
Above-mentioned resistance position transducer, the resistance series connection of described dry reed switch is arranged on the wiring board, and the scope of each resistance switching current of series connection is a 4-20mA normalized current signal.
The utility model is simple in structure, and cost is low, and is applied widely, and particularly suitable liquid level travel position sensory field.
Description of drawings
Fig. 1 is the utility model resistance position transducer structural representation.
Fig. 2 is the utility model resistance position transducer dry reed switch resistance circuit figure.
Embodiment
Below in conjunction with embodiment the utility model is further elaborated.
As shown in the figure, the utility model resistance position transducer, it comprises dry reed switch, converter and cylindrical shell 1, dry reed switch comprises wiring board 2 and resistance 3, converter is made up of terminal box 4 and single-chip microcomputer 5, and wherein dry reed switch is arranged on and forms a confined space in the cylindrical shell 1, and the single-chip microcomputer 5 of converter places in the terminal box 4, terminal box 4 places an end of cylindrical shell 1, and single-chip microcomputer 5 is connected with dry reed switch; Wherein the resistance 3 of dry reed switch is for being connected in series, and is fixed on the wiring board 2, and the scope of resistance switching current is 4-20mA.
The utility model resistance position transducer during work, is passed to dry reed switch resistance 3 by the signal that displacement produces, and resistance converts electric current to after single-chip microcomputer 5 imports into monolithic higher level instrument and meter after accepting reads.
Claims (2)
1. resistance position transducer, it comprises dry reed switch, converter and cylindrical shell, it is characterized in that: dry reed switch comprises wiring board and several resistance, converter is made up of terminal box and single-chip microcomputer, wherein dry reed switch is arranged on and forms a confined space in the cylindrical shell, the single-chip microcomputer of converter places in the terminal box, and terminal box places cylindrical shell one end, and single-chip microcomputer is connected with dry reed switch.
2. resistance position transducer according to claim 1 is characterized in that: the resistance series connection of described dry reed switch is arranged on the wiring board, and the scope of each resistance switching current of series connection is a 4-20mA normalized current signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201425636U CN202057286U (en) | 2011-05-09 | 2011-05-09 | Resistance position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201425636U CN202057286U (en) | 2011-05-09 | 2011-05-09 | Resistance position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202057286U true CN202057286U (en) | 2011-11-30 |
Family
ID=45017257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201425636U Expired - Fee Related CN202057286U (en) | 2011-05-09 | 2011-05-09 | Resistance position sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202057286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596611A (en) * | 2015-02-06 | 2015-05-06 | 西安易流物联科技有限公司 | Liquid level sensor |
-
2011
- 2011-05-09 CN CN2011201425636U patent/CN202057286U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596611A (en) * | 2015-02-06 | 2015-05-06 | 西安易流物联科技有限公司 | Liquid level 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: 20111130 Termination date: 20140509 |
|
| EXPY | Termination of patent right or utility model |