CN203191841U - Pressure sensing detector - Google Patents
Pressure sensing detector Download PDFInfo
- Publication number
- CN203191841U CN203191841U CN 201320084278 CN201320084278U CN203191841U CN 203191841 U CN203191841 U CN 203191841U CN 201320084278 CN201320084278 CN 201320084278 CN 201320084278 U CN201320084278 U CN 201320084278U CN 203191841 U CN203191841 U CN 203191841U
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- circuit
- pressure sensing
- sensing detector
- output signal
- utility
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Abstract
The utility model relates to a pressure sensing detector. The pressure sensing detector comprises a pressure sensing circuit and a comparator circuit. An output signal of the pressure sensing circuit is transmitted to a trigger circuit, an output signal of the trigger circuit is transmitted to the comparator circuit, and an output signal of the comparator circuit is sent to a drive circuit. When a certain pressure exists, and after the control of the comparator circuit, the pressure sensing detector of the utility model provides a normally closed contact signal output, is convenient to connect and control, and has the advantages of signal acquisition, simplification control, etc.
Description
Technical field
The utility model relates to a kind of detector, particularly be a kind of pressure sensing detector.
Background technology
Pressure transducer is widely used in the industrialization control system, but its structure applications complexity needs professional programming personnel could realize connecting control.
The utility model content
The purpose of this utility model is to provide a kind of pressure sensing detector.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of pressure sensing detector, comprise pressure sensor circuit and comparator circuit, the output signal of described pressure sensor circuit is transferred to trigger circuit, the output signal of described trigger circuit is transported to comparator circuit, and the output signal of described comparator circuit sends to driving circuit.
Described pressure sensor circuit is gathered signal by tensimeter KB, and the output terminal of described tensimeter KB connects resistance R 1, resistance R 2, resistance R 3.
Described trigger circuit adopt NE555 time base module IC2.
By adopting above-mentioned technical scheme, the beneficial effects of the utility model are: when certain pressure, the utility model provides a normally closed some signal output after comparator circuit is controlled, be convenient to connect control, has advantages such as the signal of collection and control simplification.
Description of drawings
Fig. 1 is frame assumption diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of pressure sensing detector of the present utility model, comprise pressure sensor circuit 1 and comparator circuit 2, the output signal of described pressure sensor circuit 1 is transferred to trigger circuit 11, the output signal of described trigger circuit 11 is transported to comparator circuit 2, and the output signal of described comparator circuit 2 sends to driving circuit 21.
Described pressure sensor circuit 1 is gathered signal by tensimeter KB, the output terminal of described tensimeter KB connects resistance R 1, resistance R 2, resistance R 3, when the object of monitoring does not have pressure, or pressure inside is low, moving contact " 1 " and lower limit contact " 3 " closure in the table of tensimeter KB, the 2nd pin that makes NE555 time base module IC2 is low level state, corresponding NE555 time base module IC2 set, NE555 time base module IC2 the 3rd pin output high level signal, the 2nd pin that this signal is input to comparer IC1 also is high level state, the voltage of the 2nd pin of comparer IC1 is higher than the 3rd pin voltage of comparer IC1, the upset of comparer IC1 internal comparator circuit, its 1st pin output trigger pip is through resistance R 9 current limlitings, make triode Q1 conducting, relay J 1 adhesive, the contact J1-1 of relay J 1 transfers normally closed point to, and a normally closed some signal output is provided, be convenient to connect control, have advantages such as the signal of collection and control simplification.
Above-described only is a preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented, and every equalization of doing according to the utility model claim changes and decorates, and all should still belong in the scope that the utility model contains.
Claims (3)
1. pressure sensing detector, it is characterized in that: comprise pressure sensor circuit (1) and comparator circuit (2), the output signal of described pressure sensor circuit (1) is transferred to trigger circuit (11), the output signal of described trigger circuit (11) is transported to comparator circuit (2), and the output signal of described comparator circuit (2) sends to driving circuit (21).
2. pressure sensing detector according to claim 1 is characterized in that: described pressure sensor circuit (1) is gathered signal by tensimeter KB, and the output terminal of described tensimeter KB connects resistance R 1, resistance R 2, resistance R 3.
3. pressure sensing detector according to claim 1 is characterized in that: described trigger circuit (11) employing NE555 time base module IC2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084278 CN203191841U (en) | 2013-02-21 | 2013-02-21 | Pressure sensing detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084278 CN203191841U (en) | 2013-02-21 | 2013-02-21 | Pressure sensing detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191841U true CN203191841U (en) | 2013-09-11 |
Family
ID=49108689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320084278 Expired - Fee Related CN203191841U (en) | 2013-02-21 | 2013-02-21 | Pressure sensing detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853883A (en) * | 2017-11-28 | 2018-03-30 | 聊城市孩室宝家俱有限公司 | A kind of learning chair intelligent posture correction band |
-
2013
- 2013-02-21 CN CN 201320084278 patent/CN203191841U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853883A (en) * | 2017-11-28 | 2018-03-30 | 聊城市孩室宝家俱有限公司 | A kind of learning chair intelligent posture correction band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20140221 |