CN202693721U - Circuit detector - Google Patents

Circuit detector Download PDF

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Publication number
CN202693721U
CN202693721U CN 201220345492 CN201220345492U CN202693721U CN 202693721 U CN202693721 U CN 202693721U CN 201220345492 CN201220345492 CN 201220345492 CN 201220345492 U CN201220345492 U CN 201220345492U CN 202693721 U CN202693721 U CN 202693721U
Authority
CN
China
Prior art keywords
circuit
light emitting
circuit detector
emitting diodes
detector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220345492
Other languages
Chinese (zh)
Inventor
李志宏
胡涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Luoyang Locomotive Co Ltd
Original Assignee
CSR Luoyang Locomotive Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CSR Luoyang Locomotive Co Ltd filed Critical CSR Luoyang Locomotive Co Ltd
Priority to CN 201220345492 priority Critical patent/CN202693721U/en
Application granted granted Critical
Publication of CN202693721U publication Critical patent/CN202693721U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a circuit detector, relates to a circuit detector for checking a wiring state of a control line, and mainly solves the problems that a control circuit of an internal combustion locomotive is detected by a large-size universal meter which is inconvenient to carry, in a dim environment, lighting equipment is required to be added, so that the universal meter is inconvenient to operate and low in efficiency, and the universal meter is easy to burn under misoperation. The circuit detector consists of a group of light emitting diodes, a buzzer and another group of light emitting diodes which are connected in series with one another, wherein the other ends of the two groups of light emitting diodes are respectively connected with probes through fuses. The circuit detector does not need an external power supply and can directly utilize power of a detected circuit; by adopting an audible and visual alarm, the circuit is simple and rational; and the circuit detector is convenient to use and carry, light in weight, safe and reliable.

Description

Circuit detector
Technical field
The utility model belongs to the diesel locomotive control circuit and checks technical field, relates to specifically the circuit detector that checks the operation circuit wiring state.
Background technology
The diesel locomotive control circuit is a kind of special circuit on the diesel locomotive, its purposes is the critical circuits of controlling combustion engine car operation, therefore whether whether correct combustion motor car running is normally very important to check control circuit, if control circuit goes wrong, might cause the accidents such as the diesel locomotive machine is broken, can cause when serious and burn the diesel locomotive machine, at present, multimeter is adopted in the control circuit inspection, but multimeter has following shortcoming; One, volume is large, carries inconvenience; Two, be to observe dial plate with eyes, can know just whether power supply is connected, if under the bad environment of locomotive glazed thread, can't observe dial plate, just need to increase light fixture.People's eyes should be observed dial plate when three, working, and also will observe test pencil, and migration is between the two, and efficient is low, use inconvenience, have certain danger.Four, the multimeter cost is high, in case the misoperation multimeter burns out easily, loses larger.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency, and a kind of volume that proposes is little lightweight, easy to carry, easy and simple to handle, reduces labour intensity and improves safety coefficient, the circuit detector that cost is low.
Technical solution of the present utility model is: circuit detector is comprised of one group of light emitting diode, hummer and another group light emitting diode series circuit, and another end of two groups of light emitting diodes connects probe by insurance respectively.
Two groups of light emitting diodes described in the technical solution of the present utility model connect by two light emitting diode reverse parallel connections and form.
Advantage of the present utility model is as follows: (1) the utility model does not need external power supply, directly uses the power supply in the circuit-under-test.(2) adopt acoustic-optic alarm, circuit theory is simple and practical, by rational design, realizes the whether intact function of testing circuit.(3) structure interchangeability is good, and two probe structures are identical, at any time Alternate.(4) easy to use.(5) lightweight easy to carry, safe and reliable.
Description of drawings
Fig. 1 is electrical schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, circuit detector of the present utility model comprises two groups of light emitting diodes 7,10 and two hummers 8,9, one group of light emitting diode 7 and two hummers 8,9 and another group light emitting diode 10 coupled in series successively, two groups of light emitting diodes 7,10 the other end connect probe 4,3 by insuring 5,6 respectively, two groups of light emitting diodes 7,10 form by two light emitting diode reverse parallel connections, and namely the positive pole of two light emitting diodes is connected with negative pole.Principle of work: with negative terminals 1 overlap joint or the earth terminal of probe 3 with circuit under test, check the connection terminal 2 of required inspection with another probe thorn, if light emitting diode 7,10 luminous, and hummer 8,9 sounds a buzzer, then this terminal plugged.During use, the operator does not need deliberately to observe luminous situation, can hear buzzer simultaneously.

Claims (2)

1. circuit detector, it is characterized in that: detector is comprised of one group of light emitting diode (7), hummer (8,9) and another group light emitting diode (10) series circuit, and another end of two groups of light emitting diodes (7,10) connects probe (4,3) by insurance (5,6) respectively.
2. a kind of circuit detector according to claim 1 is characterized in that: described two groups of light emitting diodes (7,10) connect by two light emitting diode reverse parallel connections and form.
CN 201220345492 2012-07-17 2012-07-17 Circuit detector Expired - Fee Related CN202693721U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220345492 CN202693721U (en) 2012-07-17 2012-07-17 Circuit detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220345492 CN202693721U (en) 2012-07-17 2012-07-17 Circuit detector

Publications (1)

Publication Number Publication Date
CN202693721U true CN202693721U (en) 2013-01-23

Family

ID=47549322

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220345492 Expired - Fee Related CN202693721U (en) 2012-07-17 2012-07-17 Circuit detector

Country Status (1)

Country Link
CN (1) CN202693721U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105717412A (en) * 2013-10-23 2016-06-29 刘伟华 Portable circuit on-off detection tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105717412A (en) * 2013-10-23 2016-06-29 刘伟华 Portable circuit on-off detection tool

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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
CP03 Change of name, title or address

Address after: 441105 No. 8, iron road, Xiangzhou District, Hubei, Xiangyang

Patentee after: CRRC LUOYANG CO., LTD.

Address before: 441105 No. 8, iron road, Xiangyang District, Hubei, Xiangfan

Patentee before: CSR Luoyang Locomotive Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130123

Termination date: 20180717

CF01 Termination of patent right due to non-payment of annual fee