CN202676819U - Voltage testing switching equipment for multi-core cable - Google Patents
Voltage testing switching equipment for multi-core cable Download PDFInfo
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- CN202676819U CN202676819U CN 201220252809 CN201220252809U CN202676819U CN 202676819 U CN202676819 U CN 202676819U CN 201220252809 CN201220252809 CN 201220252809 CN 201220252809 U CN201220252809 U CN 201220252809U CN 202676819 U CN202676819 U CN 202676819U
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Abstract
The utility model discloses voltage testing switching equipment for a multi-core cable, which comprises a multi-core cable, a relay connector, a single chip microcomputer system, a voltage acquisition circuit, and a liquid crystal display device, wherein the relay connector is connected with the multi-core cable; at least two relays are arranged inside the relay connector; normally closed contacts of the relays inside the relay connector are respectively connected with a wire; one end of the wire is connected with a first resistor R1 and a second resistor R2; the other end of the resistor R2 is grounded; the A end of the connection place of the first resistor R1 and the second resistor R2 is connected with the single chip microcomputer system; the other end of the wire is connected with the voltage acquisition circuit; the voltage acquisition circuit is further connected with the single chip microcomputer system; normally open contacts of the relays inside the relay connector are respectively connected with a power supply; and the liquid crystal display device is connected with the single chip microcomputer system. Through cooperation between the relay connector and the voltage acquisition circuit, electricity leakage and voltage condition of the core wires can be detected and normal operation of electric equipment can be ensured.
Description
Technical field
The utility model relates to the cable testing equipment technical field, particularly a kind of Multi-core cable voltage test conversion device.
Background technology
The appearance of power cable, make and send out, defeated, become, supply, join, the security of electricity consumption has obtained large increase, what occur the earliest is single-core power cables, because in actual use three-phase and four-line power supply, the occasion of Three-phase five-wire power supply and multiloop power supply is more and more, to taking up room and to lay the requirement of occasion also more and more higher, when many of needs, multilayer is laid, itself and take up room and laid condition when being restricted, single-core power cables just can not use easily, therefore, multi-core power cable is developed exploitation and enters into soon the electric power application, is accepted by users and uses.In addition, the comparing of single core cable and polycore cable, the electric current that passes through of the cable multicore of same sectional area is relatively large, and load is large, and split conductor easily connects up.
But, polycore cable is in uses a large amount of in various instruments and opertaing device, whether cable good conducting, whether the voltage performance of each line meets the demands, and whether has electric leakage etc., will directly have influence on the normal operation of electrical equipment, in the same voltage measurement for the polycore cable heart yearn, wiring is complicated, easy misconnection, and the hand labor amount is also large.Therefore polycore cable need to solve this problem by a kind of voltage test conversion device.
The utility model content
The purpose of this utility model is to provide a kind of can detect the Multi-core cable voltage test conversion device that whether leaks electricity, can detect again heart yearn voltage.
To achieve these goals, the utility model has adopted following technical scheme: a kind of Multi-core cable voltage test conversion device, comprise polycore cable, also comprise relay connector, Single Chip Microcomputer (SCM) system, voltage collection circuit, liquid crystal indicator, described relay connector links to each other with polycore cable, at least comprise 2 relays in the described relay connector, relay normally closed contact in the described relay connector links to each other with wire respectively, described wire one end and the first resistance R 1, the second resistance R 2 links to each other, described the second resistance R 2 other end ground connection, described the first resistance R 1 links to each other with Single Chip Microcomputer (SCM) system with the second resistance R 2 junction A end, the described wire other end links to each other with voltage collection circuit, described voltage collection circuit also links to each other with Single Chip Microcomputer (SCM) system, relay normally open contact in the described relay connector links to each other with power supply respectively, and described liquid crystal indicator links to each other with Single Chip Microcomputer (SCM) system.
Preferably, also comprise output printing device, described output printing device links to each other with Single Chip Microcomputer (SCM) system.
Preferably, described Single Chip Microcomputer (SCM) system is 8051 single-chip microcomputers.
The utlity model has following beneficial effect: by cooperatively interacting of relay connector and voltage collection circuit, so that wiring is simple, be difficult for misconnection, reduced the hand labor amount, whether the heart yearn that can detect on the one hand polycore cable exists electric leakage, can detect on the other hand the voltage status of heart yearn, guarantee the normal operation of electrical equipment.
Description of drawings
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the circuit diagram of voltage collection circuit of the present utility model.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
Referring to shown in Figure 1, the utility model provides a kind of Multi-core cable voltage test conversion device, comprises polycore cable 1, also comprises relay connector 2, Single Chip Microcomputer (SCM) system 3, voltage collection circuit 4, liquid crystal indicator 5.Described relay connector 2 links to each other with polycore cable 1, at least comprise 2 relays in the described relay connector 2, relay normally closed contact in the described relay connector 2 links to each other with wire respectively, described wire one end and the first resistance R 1, the second resistance R 2 links to each other, described the second resistance R 2 other end ground connection, described the first resistance R 1 links to each other with Single Chip Microcomputer (SCM) system 3 with the second resistance R 2 junction A end, the described wire other end links to each other with voltage collection circuit 4, described voltage collection circuit 4 also links to each other with Single Chip Microcomputer (SCM) system 3, relay normally open contact in the described relay connector 2 can be respectively links to each other with+15V power supply, and described liquid crystal indicator 5 links to each other with Single Chip Microcomputer (SCM) system 3.Wherein, the utility model also comprises output printing device 6, and described output printing device 6 links to each other with Single Chip Microcomputer (SCM) system 3; Described Single Chip Microcomputer (SCM) system 3 is 8051 single-chip microcomputers.
The utility model is the work that realizes like this, before beginning detection, the heart yearn (1# shown in Fig. 1,2#, 3# heart yearn) of polycore cable is linked to each other with relay (S1 shown in Fig. 1, S2, S3) respectively, by the switching that relay accesses the heart yearn of cable, all heart yearns are by the normally closed contact of the relay that is attached thereto and through the first resistance R 1, the second resistance R 2 ground connection.When detecting the 1# heart yearn, closing relay S1, make the normally opened contact of relay S1 closed, + 15V voltage is added on the first resistance R 1 and the second resistance R 2 by heart yearn, through delivering to Single Chip Microcomputer (SCM) system 3 after the first resistance R 1 and the second resistance R 2 dividing potential drops, open circuit if detect heart yearn, then the single-chip microcomputer input voltage is OV, if do not open circuit then input voltage is+5V.
When not opening circuit such as heart yearn, by voltage collection circuit 4, gather the voltage of corresponding heart yearn, signal is passed to Single Chip Microcomputer (SCM) system 3 carry out record, and show by liquid crystal indicator 5, and output printing device 6 also can print output with the opening circuit of whole and single heart yearn/voltage status, what voltage collection circuit 4 adopted is prior art, as shown in Figure 2 pass through resistance and amplifier is simply constructed, no longer be described in detail at this.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; and other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (3)
1. Multi-core cable voltage test conversion device, comprise polycore cable (1), it is characterized in that: also comprise relay connector (2), Single Chip Microcomputer (SCM) system (3), voltage collection circuit (4), liquid crystal indicator (5), described relay connector (2) links to each other with polycore cable (1), at least comprise 2 relays in the described relay connector (2), relay normally closed contact in the described relay connector (2) links to each other with wire respectively, described wire one end and the first resistance (R1), the second resistance (R2) links to each other, described the second resistance (R2) other end ground connection, described the first resistance (R1) links to each other with Single Chip Microcomputer (SCM) system (3) with the second resistance (R2) junction A end, the described wire other end links to each other with voltage collection circuit (4), described voltage collection circuit (4) also links to each other with Single Chip Microcomputer (SCM) system (3), relay normally open contact in the described relay connector (2) links to each other with power supply respectively, and described liquid crystal indicator (5) links to each other with Single Chip Microcomputer (SCM) system (3).
2. Multi-core cable voltage test conversion device according to claim 1, it is characterized in that: also comprise output printing device (6), described output printing device (6) links to each other with Single Chip Microcomputer (SCM) system (3).
3. Multi-core cable voltage test conversion device according to claim 2, it is characterized in that: described Single Chip Microcomputer (SCM) system (3) is 8051 single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252809 CN202676819U (en) | 2012-05-31 | 2012-05-31 | Voltage testing switching equipment for multi-core cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252809 CN202676819U (en) | 2012-05-31 | 2012-05-31 | Voltage testing switching equipment for multi-core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676819U true CN202676819U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201220252809 Expired - Fee Related CN202676819U (en) | 2012-05-31 | 2012-05-31 | Voltage testing switching equipment for multi-core cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330665A (en) * | 2014-10-27 | 2015-02-04 | 浪潮软件集团有限公司 | Method for rapidly screening cable faults in self-service equipment |
| CN106054014A (en) * | 2016-07-11 | 2016-10-26 | 国网山东省电力公司聊城供电公司 | N600 one-point grounding test device and application thereof |
| CN106324441A (en) * | 2016-11-08 | 2017-01-11 | 骆香山 | Cable detection system based on single chip |
| CN108535586A (en) * | 2018-04-18 | 2018-09-14 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of watertight cable pressure pot experiment automatic checkout system |
-
2012
- 2012-05-31 CN CN 201220252809 patent/CN202676819U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330665A (en) * | 2014-10-27 | 2015-02-04 | 浪潮软件集团有限公司 | Method for rapidly screening cable faults in self-service equipment |
| CN106054014A (en) * | 2016-07-11 | 2016-10-26 | 国网山东省电力公司聊城供电公司 | N600 one-point grounding test device and application thereof |
| CN106324441A (en) * | 2016-11-08 | 2017-01-11 | 骆香山 | Cable detection system based on single chip |
| CN108535586A (en) * | 2018-04-18 | 2018-09-14 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of watertight cable pressure pot experiment automatic checkout system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 437300 development road, Chibi Economic Development Zone, Xianning, Hubei Patentee after: Wuhan gold medal electrician Limited by Share Ltd Address before: 437300 development road, Chibi Economic Development Zone, Xianning, Hubei Patentee before: Wuhan Gold Medal Cable Plastic Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20200531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |