CN201508216U - Novel digital switch matrix level transducer - Google Patents
Novel digital switch matrix level transducer Download PDFInfo
- Publication number
- CN201508216U CN201508216U CN2009201085463U CN200920108546U CN201508216U CN 201508216 U CN201508216 U CN 201508216U CN 2009201085463 U CN2009201085463 U CN 2009201085463U CN 200920108546 U CN200920108546 U CN 200920108546U CN 201508216 U CN201508216 U CN 201508216U
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- China
- Prior art keywords
- switch matrix
- intelligent chip
- novel digital
- digital switch
- level transducer
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Abstract
The utility model discloses a novel digital switch matrix level transducer, which comprises an intelligent chip and a switch matrix which is composed of a plurality of switch elements which are linearly distributed, and state information of a plurality of switch elements is input into the intelligent chip or a single chip microcomputer. The intelligent chip reads the state of each switch in the switch matrix through a serial encoding circuit, thereby knowing the location of a magnet body, the data are simply operated and processed, then, a display device is controlled to display related information, simultaneously, the related information is sent to network through a communication circuit to realize operation of remote monitoring, demarcation and the like, and the novel digital switch matrix level transducer has low price, easy debugging, low failure rate, improved resolution power, easy flexibility and intelligent design.
Description
Technical field
The utility model relates to a kind of level meter, relates in particular to a kind of novel digital switch matrix level transducer.
Background technology
Level transducer is a sensor commonly used in the level meter, as magnetic float liquidlevel meter etc.
In the prior art, to realize position sensing, there is following shortcoming by tongue tube convert resistance value in traditional magnetic float liquidlevel meter at least:
Price height, debug difficulties, failure rate height, resolving power be low, be difficult for flexibility and many interface level measurements and intelligentized design.
The utility model content
The purpose of this utility model provides that a kind of price is low, debugging easily, failure rate is low, resolving power improves, be easy to flexibility and many interface level measurements and intelligentized novel digital switch matrix level transducer.
The purpose of this utility model is achieved through the following technical solutions:
Novel digital switch matrix level transducer of the present utility model, comprise switch matrix and intelligent chip, described switch matrix comprises a plurality of switching components, described a plurality of switching component is lined up linear array on the strip circuit plate, the status information of described a plurality of switching components inputs to described intelligent chip.
The technical scheme that is provided by above-mentioned the utility model as can be seen, novel digital switch matrix level transducer described in the utility model, owing to comprise intelligent chip and by the linearly aligned switch matrix of a plurality of switching components, the status information of a plurality of switching components inputs to intelligent chip.Intelligent chip can read the positional information that detects a plurality of magnetics by the status information of a plurality of switching components, and price is low, debugging is easy, failure rate is low, resolving power improves, be easy to flexibility and many interface level measurements and intelligentized design.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the basic structure schematic diagram of switch matrix in the utility model;
Fig. 3 is a fieldbus synoptic diagram in the utility model.
Embodiment
Novel digital switch matrix level transducer of the present utility model, its preferable embodiment comprises intelligent chip and switch matrix etc. as shown in Figure 1.
As shown in Figure 2, switch matrix comprises a plurality of switching components 1, and a plurality of switching components 1 are lined up linear array on strip circuit plate 2, and the status information of a plurality of switching components inputs to intelligent chip (or single-chip microcomputer etc.).Intelligent chip can read the positional information that detects a plurality of magnetics by the status information of a plurality of switching components 1, and price is low, debugging is easy, failure rate is low, resolving power improves, be easy to flexibility and many interface level measurements and intelligentized design.
Specifically can be by magnetic 3 near switch matrix, magnetic 3 causes the state variation of switching component 1, intelligent chip is judged the position of magnetic 3 in view of the above.
As in magnetic float liquidlevel meter, comprise float, float is connected with magnetic 3, the position of the position judgment float by magnetic 3.This switch matrix technology also can be used for electronic organ keyboard or elevator operation dish etc., is used to judge the position.
Magnetic 3 can be random magnetism body (as solenoid, permanent magnet, annular magnetic steel etc.), magnetic 3 near or be enclosed within on the strip circuit plate 2.
Referring to Fig. 1, intelligent chip is electrically connected with switch matrix by the serial code circuit again.Intelligent chip can also be electrically connected with host computer by communication line.Intelligent chip can also be connected with display device, and intelligent chip can also be connected with keyboard or manual operator etc.
As shown in Figure 3, switch matrix can have a plurality of, and intelligent chip can be electrically connected with a plurality of switch matrix.
In the utility model, intelligent chip is read the state of each switch in the switch matrix by " serial code circuit ", promptly known the position of magnetic, these data simple operations are handled back control display device show relevant information, send on the network by telecommunication circuit simultaneously, to realize operations such as remote monitoring and demarcation.
During debugging,, can finish the memory operation of switching component total quantity (range) by keyboard, manual operator or the corresponding manual command of host computer input with the switching component of a magnet steel near least significant end;
Under the close situation of nonmagnetic body,, can detect the switching component of damage, and remember its position by keyboard, manual operator or the corresponding manual command of host computer input.With automatic shielding misdata;
Can also pass through keyboard, manual operator or the corresponding manual command of host computer input, set upper and lower limit alarming value and memory, currency compares with it, can judge whether to report to the police.
Telecommunication circuit has multiple choices, as fieldbus, optical fiber, carrier wave or radio etc.Realize long-distance transmissions, simplified field wiring.Host computer shows information such as extension number (IP address), liquid level, interfacial level and failure code simultaneously, and can revise slave addresses and various setting operation by host computer.
The utility model has compared with prior art had the breakthrough of matter from design philosophy.Digitizing, intellectuality are outstanding feature of the present utility model, and be specific as follows:
The tongue tube that cancellation is fragile be the substitute is the small low-cost a kind of switching component of volume (as Hall element etc.), and the unit length cost descends, and especially is fit to make wide range, flexible liquid level gauge, is convenient to packing and transportation;
The resistance of precision is represented in cancellation, and precision only depends on the installing space of each switching component;
The inherent defect that does not have mimic channel;
Can measure a plurality of interfaces;
There is not expensive special chip, to reduce separate unit production cost;
The intelligent trouble self check: damage if any the individual switches components and parts, can oneself's " reparation ";
Technical difficulty is low, as long as components and parts are out of question, need not debug substantially;
The intelligence self-calibration function makes full use of microcomputer chip (intelligent chip) powerful computing, processing capacity, to realize being provided with of zero shift, bound alarm set point etc.;
Realize easily digitizing demonstration, digitizing teletransmission, as the RS-485 bus etc., convenient and computing machine and network interface thereof need not be bought the module of various costlinesses, just can realize functions such as demarcation and very-long-range monitoring at a distance;
Reliable and stable, product specification improves, and shows enterprise level;
This programme also can be applicable to serial keyboard (as mellotron, elevator operation panel etc.).
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (7)
1. novel digital switch matrix level transducer, it is characterized in that, comprise switch matrix and intelligent chip, described switch matrix comprises a plurality of switching components, described a plurality of switching component is lined up linear array on the strip circuit plate, the status information of described a plurality of switching components inputs to described intelligent chip.
2. novel digital switch matrix level transducer according to claim 1 is characterized in that, described intelligent chip is electrically connected with described switch matrix by the serial code circuit.
3. novel digital switch matrix level transducer according to claim 2 is characterized in that described switch matrix has a plurality of, and described intelligent chip is electrically connected with a plurality of switch matrix.
4. according to claim 1,2 or 3 described novel digital switch matrix level transducers, it is characterized in that described intelligent chip is electrically connected with host computer by communication line.
5. according to claim 1,2 or 3 described novel digital switch matrix level transducers, it is characterized in that described intelligent chip is connected with display device.
6. according to claim 1,2 or 3 described novel digital switch matrix level transducers, it is characterized in that described intelligent chip is connected with keyboard or manual operator.
7. according to claim 1,2 or 3 described novel digital switch matrix level transducers, it is characterized in that described switching component is a Hall element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201085463U CN201508216U (en) | 2009-05-31 | 2009-05-31 | Novel digital switch matrix level transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201085463U CN201508216U (en) | 2009-05-31 | 2009-05-31 | Novel digital switch matrix level transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201508216U true CN201508216U (en) | 2010-06-16 |
Family
ID=42469343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201085463U Expired - Fee Related CN201508216U (en) | 2009-05-31 | 2009-05-31 | Novel digital switch matrix level transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201508216U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995562A (en) * | 2010-10-19 | 2011-03-30 | 威海威高电子工程有限公司 | Remote on-line calibration method for magnetic sensor |
| CN104075773A (en) * | 2014-01-09 | 2014-10-01 | 宋德齐 | Electromagnetic scale liquid level meter |
| CN105759714A (en) * | 2015-01-07 | 2016-07-13 | 英飞凌科技股份有限公司 | Sensor With Switching Matrix Switch |
| CN111103039A (en) * | 2019-12-31 | 2020-05-05 | 赛卓电子科技（上海）有限公司 | Oil tank level sensing mechanism and sensor using same |
-
2009
- 2009-05-31 CN CN2009201085463U patent/CN201508216U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995562A (en) * | 2010-10-19 | 2011-03-30 | 威海威高电子工程有限公司 | Remote on-line calibration method for magnetic sensor |
| CN101995562B (en) * | 2010-10-19 | 2013-05-08 | 威海威高电子工程有限公司 | Remote on-line calibration method for magnetic sensor |
| CN104075773A (en) * | 2014-01-09 | 2014-10-01 | 宋德齐 | Electromagnetic scale liquid level meter |
| CN105759714A (en) * | 2015-01-07 | 2016-07-13 | 英飞凌科技股份有限公司 | Sensor With Switching Matrix Switch |
| US10168193B2 (en) | 2015-01-07 | 2019-01-01 | Infineon Technologies Ag | Sensor with switching matrix switch |
| CN111103039A (en) * | 2019-12-31 | 2020-05-05 | 赛卓电子科技（上海）有限公司 | Oil tank level sensing mechanism and sensor using same |
| CN111103039B (en) * | 2019-12-31 | 2021-05-04 | 赛卓电子科技（上海）有限公司 | Oil tank 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: 20100616 Termination date: 20170531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |