CN204789842U - Line detection device - Google Patents
Line detection device Download PDFInfo
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- CN204789842U CN204789842U CN201520371611.7U CN201520371611U CN204789842U CN 204789842 U CN204789842 U CN 204789842U CN 201520371611 U CN201520371611 U CN 201520371611U CN 204789842 U CN204789842 U CN 204789842U
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- pulse
- circuit
- pilot lamp
- measured
- detecting circuit
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Abstract
The utility model relates to a line detection device belongs to rail vehicle technical field. The device is including installing at the await measuring transmitter and the receiver at circuit both ends respectively, the transmitter includes pulse generating circuit, first pulse detection circuitry and first pilot lamp, the receiver includes second pulse detection circuitry, the reverse circuit of pulse and second pilot lamp, pulse generating circuit's the output and the line connection that awaits measuring, first pulse detection circuitry's input is through the first diode and the line connection that awaits measuring, second pulse detection circuitry's input is through the second diode and the line connection that awaits measuring, the reverse circuit of pulse with the line connection that awaits measuring, first pilot lamp is connected with first pulse detection circuitry's output, and the second pilot lamp is connected with second pulse detection circuitry's output. Whether the device can the high efficiency, whether the detection circuitry of high correct rate switches on and damaged.
Description
Technical field
The utility model relates to a kind of line detection apparatus, belongs to rolling stock technical field.
Background technology
When the wiring of current rolling stock detects, be all generally manual detection, with instruments such as multimeters, make the cable that is detected and car body form loop, carry out detection line and whether connect.Manual detection method is very inconvenient, there is the possibility of omitting, can not be comprehensive to the structure record detected, and can not detection streamer whether broken skin there is the fault connecting short circuit with car body, can not the detection line fault of conducting because of broken skin or sintering between any two.On the vehicle that electric wire is various and under construction environment complicated situation, manual detection efficiency can be very low.
Summary of the invention
The utility model wants technical solution problem to be: the shortcoming overcoming above-mentioned technology, provides the inspection of line device of a kind of high-level efficiency, high accuracy.
In order to solve the problems of the technologies described above, the technical scheme that the utility model proposes is: a kind of line detection apparatus, comprises the transmitter and receiver that are arranged on circuit two ends to be measured respectively; Described transmitter comprises pulse generating circuit, the first pulse-detecting circuit and the first pilot lamp; Described receiver comprises the second pulse-detecting circuit, pulse reverse circuit and the second pilot lamp; The output terminal of described pulse generating circuit and described connection to be measured; The input end of described first pulse-detecting circuit is by the first diode and described connection to be measured; The input end of described second pulse-detecting circuit is by the second diode and described connection to be measured; Described pulse reverse circuit with described connection to be measured; The positive pole of described first diode is connected with described first pulse-detecting circuit, negative pole and described connection to be measured; The negative pole of described second diode is connected with described second pulse-detecting circuit, positive pole and described connection to be measured; Described first pilot lamp is connected with the output terminal of described first pulse-detecting circuit, and described second pilot lamp is connected with the output terminal of described second pulse-detecting circuit.
Such scheme further improves and is: also comprise the first and second wireless transceiver circuits be connected to each other by wireless signal; Described first wireless transceiver circuit is positioned at described transmitter, and its output terminal is connected with described 3rd pilot lamp; Described second wireless transceiver circuit is positioned at described receiver, and its output terminal is connected with described 4th pilot lamp; The input end of described second wireless transceiver circuit is connected with the output terminal of described second pulse-detecting circuit.
Such scheme further improves and is: the output terminal of described first wireless transceiver circuit and the output terminal of described first pulse-detecting circuit are also connected with display.
The line detection apparatus that the utility model provides, first the positive voltage square wave of certain frequency is sent by pulse generating circuit, due to the reverse isolation of the first diode, this square wave can not the first pulse-detecting circuit detect, then square wave is changed by line transmission to be measured to receiver, after the second pulse-detecting circuit in receiver detects this square wave, namely the second pilot lamp is outputed signal to, then, this square wave carries out oppositely by pulse reverse circuit, that is to say the negative voltage square wave being become by this square wave and postpone half period; Then this negative voltage square wave is sent back to transmitter by circuit under test again; Same, this negative voltage square wave of the second diode-isolated; First pulse-detecting circuit detects, outputs signal to the first pilot lamp.When detecting many circuits, then on every bar circuit, send square wave successively.This circuit can also be extended to and be connected, with several functions such as displays by wireless signal.This device can high-level efficiency, high accuracy testing circuit whether conducting and whether damaged.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the utility model preferred embodiment 1.
Fig. 2 is the electrical block diagram of the utility model preferred embodiment 2.
Number in the figure is as follows: 1-transmitter, 1a-pulse generating circuit, 1b-first pulse-detecting circuit, 1c-first wireless transceiver circuit; 2-receiver, 2a-pulse reverse circuit, 2b-second pulse-detecting circuit, 2c-second wireless transceiver circuit, 3-circuit to be measured.
Embodiment
embodiment 1
The line detection apparatus of the present embodiment, as shown in Figure 1, comprises the transmitter 1 and receiver 2 that are arranged on circuit 3 two ends to be measured respectively; Transmitter 1 comprises pulse generating circuit 1a, the first pulse-detecting circuit 1b and the first pilot lamp; Receiver 2 comprises the second pulse-detecting circuit 2b, pulse reverse circuit 2a and the second pilot lamp; The output terminal of pulse generating circuit 1a is connected with circuit 3 to be measured; The input end of the first pulse-detecting circuit 1b is connected with circuit 3 to be measured by the first diode; The input end of the second pulse-detecting circuit 2b is connected with circuit 3 to be measured by the second diode; Pulse reverse circuit 2a is connected with circuit 3 to be measured; The positive pole of the first diode is connected with the first pulse-detecting circuit 1b, and negative pole is connected with circuit 3 to be measured; The negative pole of the second diode is connected with the second pulse-detecting circuit 2b, and positive pole is connected with circuit 3 to be measured; First pilot lamp is connected with the output terminal of the first pulse-detecting circuit 1b, and the second pilot lamp is connected with the output terminal of the second pulse-detecting circuit 2b.
When this device uses, first carry out signal wiring, be connected to one end of circuit 3 to be measured by transmitter 1, receiver 2 is connected to the other end of circuit 3 to be measured; Interface all adopts clamping or Quick connection part to connect, and has reached the object connecing fast and tear open.
Then pulse generating circuit 1a sends the positive voltage square wave of certain frequency; This square wave conducts to receiver 2 along circuit 3 to be measured, this square-wave signal is received by the second pulse-detecting circuit 2b in receiver 2, if receiver 2 successfully receives this square wave, the second pilot lamp is then driven to light, simultaneously, pulse reverse circuit 2a also receives this square wave, and convert this square wave to negative voltage square wave, and postpone 0.5 cycle, then this negative voltage square wave is sent it back transmitter 1 by circuit 3 to be measured again, after the first pulse-detecting circuit 1b in transmitter 1 detects this negative voltage square wave, the first pilot lamp is driven to light.Now, tester can learn that this circuit 3 to be measured is intact.
If circuit 3 to be measured is many, the two ends of every bar circuit to be measured are then connected respectively with multiple transmitter 1 and receiver 2, then transmitter 1 is started successively, pilot lamp in the event of the transmitter 1 outside the transmitter 1 that the corresponding time is working or receiver 2 lights, then illustrate that short circuit appears in this two or more pieces circuit.
Embodiment 2
The present embodiment improves by the basis of embodiment 1, its major part consistent with embodiment 1, different piece as shown in Figure 2: add the first and second wireless transceiver circuits be connected to each other by wireless signal; First wireless transceiver circuit 1c is positioned at transmitter 1, and its output terminal is connected with the 3rd pilot lamp; Second wireless transceiver circuit 2c is positioned at receiver 2, and its output terminal is connected with the 4th pilot lamp; The input end of the first wireless transceiver circuit 1c is connected with the output terminal of the first pulse-detecting circuit 1b; The input end of the second wireless transceiver circuit 2c is connected with the output terminal of the second pulse-detecting circuit 2b.
Meanwhile, the output terminal of the first wireless transceiver circuit 1c and the output terminal 1b of the first pulse-detecting circuit are also connected with display (not shown).
Like this, when circuit 3 to be measured is longer, then can, with wireless signal feedback, prevents reverse negative voltage square wave to lose efficacy, cause measuring misalignment.
Display is then used for recording and display measurement result, and can show more contents compared to simple with pilot lamp instruction, handled easily personnel read.
The utility model is not limited to the concrete technical scheme described in above-described embodiment, and in addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacing and being formed, and are the protection domain of the utility model requirement.
Claims (3)
1. a line detection apparatus, is characterized in that: comprise the transmitter and receiver that are arranged on circuit two ends to be measured respectively; Described transmitter comprises pulse generating circuit, the first pulse-detecting circuit and the first pilot lamp; Described receiver comprises the second pulse-detecting circuit, pulse reverse circuit and the second pilot lamp; The output terminal of described pulse generating circuit and described connection to be measured; The input end of described first pulse-detecting circuit is by the first diode and described connection to be measured; The input end of described second pulse-detecting circuit is by the second diode and described connection to be measured; Described pulse reverse circuit and described connection to be measured; The positive pole of described first diode is connected with described first pulse-detecting circuit, negative pole and described connection to be measured; The negative pole of described second diode is connected with described second pulse-detecting circuit, positive pole and described connection to be measured; Described first pilot lamp is connected with the output terminal of described first pulse-detecting circuit, and described second pilot lamp is connected with the output terminal of described second pulse-detecting circuit.
2. line detection apparatus as claimed in claim 1, be is characterized in that: also comprise the first and second wireless transceiver circuits be connected to each other by wireless signal; Described first wireless transceiver circuit is positioned at described transmitter, and its output terminal is connected with the 3rd pilot lamp; Described second wireless transceiver circuit is positioned at described receiver, and its output terminal is connected with the 4th pilot lamp; The input end of described second wireless transceiver circuit is connected with the output terminal of described second pulse-detecting circuit.
3. line detection apparatus as claimed in claim 2, is characterized in that: the output terminal of described first wireless transceiver circuit and the output terminal of described first pulse-detecting circuit are also connected with display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520371611.7U CN204789842U (en) | 2015-06-02 | 2015-06-02 | Line detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520371611.7U CN204789842U (en) | 2015-06-02 | 2015-06-02 | Line detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204789842U true CN204789842U (en) | 2015-11-18 |
Family
ID=54529859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520371611.7U Expired - Fee Related CN204789842U (en) | 2015-06-02 | 2015-06-02 | Line detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204789842U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907779A (en) * | 2017-11-03 | 2018-04-13 | 中车青岛四方机车车辆股份有限公司 | Hand-held cable connection test device, system and test method used for rail vehicle |
| CN109613407A (en) * | 2019-01-08 | 2019-04-12 | 国网江苏省电力有限公司电力科学研究院 | Power cable partial discharge location system and detection method |
| CN109655726A (en) * | 2019-01-08 | 2019-04-19 | 国网江苏省电力有限公司电力科学研究院 | Power cable partial discharge location system and detection method based on solenoid high-voltage line |
-
2015
- 2015-06-02 CN CN201520371611.7U patent/CN204789842U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907779A (en) * | 2017-11-03 | 2018-04-13 | 中车青岛四方机车车辆股份有限公司 | Hand-held cable connection test device, system and test method used for rail vehicle |
| CN109613407A (en) * | 2019-01-08 | 2019-04-12 | 国网江苏省电力有限公司电力科学研究院 | Power cable partial discharge location system and detection method |
| CN109655726A (en) * | 2019-01-08 | 2019-04-19 | 国网江苏省电力有限公司电力科学研究院 | Power cable partial discharge location system and detection method based on solenoid high-voltage line |
| CN109655726B (en) * | 2019-01-08 | 2024-03-08 | 国网江苏省电力有限公司电力科学研究院 | Power cable partial discharge positioning system and detection method based on solenoid high-voltage line |
| CN109613407B (en) * | 2019-01-08 | 2024-03-08 | 国网江苏省电力有限公司电力科学研究院 | Power cable partial discharge positioning system and detection method |
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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: 20151118 Termination date: 20180602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |