CN2663998Y - Intelligent detecting instrument with remote switch - Google Patents
Intelligent detecting instrument with remote switch Download PDFInfo
- Publication number
- CN2663998Y CN2663998Y CN 200320120486 CN200320120486U CN2663998Y CN 2663998 Y CN2663998 Y CN 2663998Y CN 200320120486 CN200320120486 CN 200320120486 CN 200320120486 U CN200320120486 U CN 200320120486U CN 2663998 Y CN2663998 Y CN 2663998Y
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- circuit
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- remote
- detecting instrument
- intelligent detecting
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Abstract
The utility model discloses an intelligent detecting instrument with remote switch, which is characterized in that a detecting circuit is connected with a remote multi-path switch, a singlechip is the main control device, an analog digit converting circuit is connected between the detecting circuit and the singlechip, the singlechip is connected with a switch state display circuit and a warning circuit, a serial communication interface is provided and the circuits are connected with a power source circuit. The utility model has the beneficial effects of a simple structure, low cost, easy execution and wide application fields.
Description
Affiliated technical field:
The utility model relates to control and detection technique, is a kind of checkout equipment of on off state, specifically, is a kind of remote switch intelligent detecting instrument.
Background technology:
Traditional remote switch detects, and is the form that adopts two sense transmission line of each switch, for the monitoring of a plurality of switches, transmission line is obviously too much, not only make the Project Realization complexity and increased expense, poor reliability, and brought inconvenience for the maintenance and the line inspection when using.And existing remote switch detecting instrument, the cost height, complex structure is because on the position of the switch and the volume etc., many applications are difficult for adopting.
The utility model content:
The purpose of this utility model provides a kind of simple in structure, and cost is low, is easy to realize that application is the remote switch intelligent detecting instrument widely.
Technical solution of the present utility model is: a kind of remote switch intelligent detecting instrument, it is characterized in that: be useful on the testing circuit that is connected with the remote multi-path switch, single-chip microcomputer is arranged as the major control device, between testing circuit and single-chip microcomputer, be connected to analog to digital conversion circuit, single-chip microcomputer connects on off state display circuit and warning circuit in addition, and serial communication interface is arranged, above-mentioned each circuit also is connected with a power circuit.
Testing circuit described in the utility model has two detection connecting lines that are connected with the remote multi-path switch.Testing circuit comprises the resistive element that is connected with each switch in the remote multi-path switch respectively, and the signal processing circuit that is connected with remote multi-path switches set circuit two ends.Resistive element and each switch in parallel; Be in series between each switch.The on off state display circuit comprises display driver circuit that is connected with single-chip microcomputer and the light-emitting diode group that is connected with display driver circuit.Analog to digital conversion circuit adopts 12 bit serial analog to digital conversion circuits.
The beneficial effects of the utility model are: simple in structure, cost is low, is easy to realize that application is extensive.
Below in conjunction with drawings and Examples the utility model is further described:
Description of drawings:
Fig. 1 is the circuit block diagram of a kind of remote switch intelligent detecting instrument of the present utility model;
Fig. 2 is the electrical schematic diagram of remote switch intelligent detecting instrument of the present utility model.
Embodiment:
Fig. 1, Fig. 2 have described an embodiment of the present utility model jointly, what Fig. 1 described is circuit theory of the present utility model, wherein be useful on the testing circuit 2 that is connected with remote multi-path switch 1, single-chip microcomputer 3 is arranged as the major control device, be connected to analog to digital conversion circuit 4 at testing circuit 2 and 3 of single-chip microcomputers, single-chip microcomputer 3 connects on off state display circuit 5 and warning circuit in addition, and serial communication interface 6 is arranged, and above-mentioned each circuit also is connected with a power circuit.Described testing circuit 2 has two detection connecting lines that are connected with remote multi-path switch 1.Testing circuit 2 comprises the resistive element that is connected with each switch in the remote multi-path switch 1 respectively, and the signal processing circuit that is connected with remote multi-path switches set 1 circuit two ends.Resistive element and each switch in parallel; Be in series between each switch.On off state display circuit 5 comprises display driver circuit that is connected with single-chip microcomputer 3 and the light-emitting diode group that is connected with display driver circuit.Analog to digital conversion circuit 4 adopts 12 bit serial analog to digital conversion circuits.
Fig. 2 is an electrical schematic diagram of the present utility model.Comprise single-chip microcomputer piece U1 (AT89C52) among the figure, analog to digital conversion circuit piece U4 (TLC2543), serial communication integrated circuit block U5 (MAX232), signal processing integrated circuit piece U11 (OP07), display driving integrated circuit piece U2 (8255), integrated circuit U3 (MC1403BD), regulator block U6 (7812), U7 (7805), U8 (7912), transformer T1, crystal oscillator Y1, commutation diode D2, diode D1, D19, light emitting diode D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16, D17, D18, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, capacitor C 1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, switch S 1, K1, triode Q1 etc.
The principle of work of foregoing circuit is:
Connect between each switch in the remote multi-path switches set, at different resistance in the parallel connection again on each switch, this just makes each switch become the non-linear detection unit that has disposed different volt-ampere characteristics, is the switching value information translation analog quantity, and a plurality of switches (mostly being 15 switches most) are as long as two lines are connected with this instrument.Utilize single-chip microcomputer, 12 bit serial analog to digital conversion are used the high-speed data acquisition of single-chip microcomputer and the intelligent decision of program thereof, can obtain the status information of each switch rapidly and accurately.
The principle of other physical circuits is understandable typical circuits, and its concrete principle does not repeat them here.
Claims (6)
1, a kind of remote switch intelligent detecting instrument, it is characterized in that: be useful on the testing circuit that is connected with the remote multi-path switch, single-chip microcomputer is arranged as the major control device, between testing circuit and single-chip microcomputer, be connected to analog to digital conversion circuit, single-chip microcomputer connects on off state display circuit and warning circuit in addition, and serial communication interface is arranged, above-mentioned each circuit also is connected with a power circuit.
2, remote switch intelligent detecting instrument according to claim 1 is characterized in that: testing circuit has two detection connecting lines that are connected with the remote multi-path switch.
3, remote switch intelligent detecting instrument according to claim 1 and 2 is characterized in that: testing circuit comprises the resistive element that is connected with each switch in the remote multi-path switch respectively, and the signal processing circuit that is connected with remote multi-path switches set circuit two ends.
4, remote switch intelligent detecting instrument according to claim 3 is characterized in that: resistive element and each switch in parallel; Be in series between each switch.
5, remote switch intelligent detecting instrument according to claim 1 and 2 is characterized in that: the on off state display circuit comprises display driver circuit that is connected with single-chip microcomputer and the light-emitting diode group that is connected with display driver circuit.
6, remote switch intelligent detecting instrument according to claim 1 and 2 is characterized in that: analog to digital conversion circuit adopts 12 bit serial analog to digital conversion circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320120486 CN2663998Y (en) | 2003-11-06 | 2003-11-06 | Intelligent detecting instrument with remote switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320120486 CN2663998Y (en) | 2003-11-06 | 2003-11-06 | Intelligent detecting instrument with remote switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2663998Y true CN2663998Y (en) | 2004-12-15 |
Family
ID=34348054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320120486 Expired - Fee Related CN2663998Y (en) | 2003-11-06 | 2003-11-06 | Intelligent detecting instrument with remote switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2663998Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195349A (en) * | 2011-05-13 | 2011-09-21 | 河南省电力公司驻马店供电公司 | Remote operating control device of transformer substation outlet switch |
| CN103412505A (en) * | 2013-08-14 | 2013-11-27 | 中国航空工业集团公司北京长城计量测试技术研究所 | Circuit for controlling and monitoring remote switches |
| CN103439649A (en) * | 2013-06-28 | 2013-12-11 | 江苏林洋电子股份有限公司 | Monitoring system for having control over connection state of switch of loop |
-
2003
- 2003-11-06 CN CN 200320120486 patent/CN2663998Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195349A (en) * | 2011-05-13 | 2011-09-21 | 河南省电力公司驻马店供电公司 | Remote operating control device of transformer substation outlet switch |
| CN103439649A (en) * | 2013-06-28 | 2013-12-11 | 江苏林洋电子股份有限公司 | Monitoring system for having control over connection state of switch of loop |
| CN103439649B (en) * | 2013-06-28 | 2016-06-22 | 江苏林洋能源股份有限公司 | A kind of monitoring system controlling circuit switching access state |
| CN103412505A (en) * | 2013-08-14 | 2013-11-27 | 中国航空工业集团公司北京长城计量测试技术研究所 | Circuit for controlling and monitoring remote switches |
| CN103412505B (en) * | 2013-08-14 | 2015-08-05 | 中国航空工业集团公司北京长城计量测试技术研究所 | Remote switch controls and observation circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |