CN210401580U

CN210401580U - Circuit fault detection device

Info

Publication number: CN210401580U
Application number: CN201920965907.XU
Authority: CN
Inventors: 黄宽平; 郑铭立
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-04-24
Anticipated expiration: 2029-06-25

Abstract

A circuit fault detection device comprises detectors and program controllers, wherein the program controllers are connected with prompters, N detectors are arranged, N detectors are connected to N detection points of a circuit to be detected, N prompters are arranged, the N prompters correspond to the N detectors one by one, and when any detector detects that a circuit is broken, the program controllers trigger the corresponding prompters and lock the rest prompters; or the prompter is a single instrument, N open circuit prompting signals of the single instrument can correspond to the N detectors one by one, and the program controller triggers the prompter to send out corresponding open circuit prompting signals when any detector detects that a circuit is open. The utility model has the advantages that: real-time feedback of problem lines is realized; different detectors correspond to different prompters or prompting signals, so that maintenance personnel can conveniently position the detectors; the chain change of the detection points is avoided; the device can be suitable for circuits with different load voltages and has wider application range.

Description

Circuit fault detection device

Technical Field

The utility model relates to a circuit troubleshooting technical field especially indicates a circuit fault detection device.

Background

The prior Chinese utility model patent with the application number of CN201420820425.2 entitled "multipurpose automobile circuit detector" discloses a multipurpose automobile circuit detector, which comprises an external test probe; the function selection circuit is provided with an AV jack combined with an external test probe and also comprises at least two function change-over switches; one pin of the singlechip is connected with one function change-over switch of the function selection circuit; the nixie tube display circuit is connected with the programmable I/O port of the single chip microcomputer, and the single chip microcomputer drives the nixie tube display circuit to display the voltage of the tested circuit; the indicator light consists of at least one light-emitting diode, and the anode of the diode is connected with the other function change-over switch of the function selection circuit; and the power supply is respectively connected with the function selection circuit, the singlechip and the nixie tube display circuit. The utility model discloses a solve original car circuit trouble repair tools and use problem inconvenient, that the integrated level is low and work efficiency is low. However, the circuit detector cannot be used for real-time monitoring, needs to be connected with a circuit and then detected after the circuit has a problem, and can only be applied to automobile circuit detection, namely, detection of a vehicle-mounted 12V circuit.

Disclosure of Invention

The utility model aims to solve the technical problem that a circuit fault detection device that can real-time detection circuit in time feed back the breakpoint is provided to above-mentioned prior art current situation, detection easy operation, convenient to use, the range of application is wide is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this circuit fault detection device, including can with the detector of waiting to detect the circuit looks switch-on, the detector is connected with the program controller, the program controller is connected its characterized in that with the prompting device that can send the prompt signal that opens circuit when the circuit that the detector detected opens circuit: the program controller triggers the corresponding prompter and locks other prompters when any detector detects that the circuit is broken, so that other prompters do not send out a circuit breaking prompting signal; or the prompter is a single instrument capable of sending N open circuit prompting signals, the N open circuit prompting signals of the single instrument can correspond to the N detectors one by one, the program controller triggers the prompter to send corresponding open circuit prompting signals when any detector detects that a circuit is open, and N is a natural number greater than 1.

As an improvement, M sets of mutually independent control circuits with different load voltages can be preferably arranged in the program controller, any one set of control circuit can be connected with the N detectors, and M is a natural number greater than 1.

In a further improvement, the control circuits can preferably have six groups, and the load voltages of the six groups of control circuits are 12V, 24V, 36V, 110V, 220V and 380V respectively.

In a further improvement, the program controller may be preferably provided with a selection switch capable of switching on any one of the six groups of control circuits, and when the selection switch switches on one group of control circuits, the remaining five groups of control circuits are in an off state.

In a further improvement, the prompter, the program controller and the selection switch can be preferably arranged in the same shell, the prompter is distributed on an operation panel on the front surface of the shell, the selection switch is also arranged on the operation panel, and the program controller is connected with an encoder capable of inputting codes to the program controller through a line penetrating through the shell.

In a further improvement, the selection switch may preferably be a rotary switch, an indication protrusion indicating a turn-on position of the rotary switch is provided on the rotary switch, six indication protrusions indicating corresponding load voltages are provided on the control panel corresponding to a rotation track of the indication protrusion, and when the rotary switch is rotated to align the indication protrusion with any one of the indication protrusions, the rotary switch turns on a corresponding control circuit.

The improved structure of the electronic device is characterized in that a switching button for starting and stopping can be preferably arranged on the shell, the switching button is connected with the program controller through a circuit and is connected with the starting indicator lamp and the stopping indicator lamp, when the switching button is switched on, the starting indicator lamp is turned on, the stopping indicator lamp is turned off, and when the switching button is switched off, the starting indicator lamp is turned off, and the stopping indicator lamp is turned on.

As an improvement, the specific structure of the program controller that triggers the corresponding prompter and locks the rest of the prompters when any detector detects a line open circuit may preferably be that a relay is provided on a line connecting each prompter and the program controller, when no detector detects a line open circuit, all the prompters are kept in a short-circuit state, when any detector detects a line open circuit, the prompter corresponding to the detector that detects a line open circuit is powered on to send an open circuit prompt signal, and the rest of the prompters are kept in a short-circuit state.

As a refinement, the prompter may preferably be a nixie tube capable of displaying numbers, and the N detectors correspond to N different numbers, where N is a natural number greater than 1.

As an improvement, the N detectors can be preferably divided into N-2 common detectors and 2 standby detectors, a standby switch is arranged on a connecting line between any one of the standby detectors and the program controller, the standby switch is kept in an open circuit state, and when any one of the common detectors is damaged, the standby switch is manually closed.

Compared with the prior art, the utility model has the advantages of: the detector can be connected to the line detection points to be detected all the time, once any line detection point is broken, the program controller can send out a broken circuit prompt signal through the prompter in time, real-time feedback of the problem line is realized, maintenance is convenient, detection is sensitive, the effect is good, and the use safety of the circuit is ensured; different detectors correspond to different prompters or prompting signals, so that maintenance personnel can conveniently position the detectors, and the maintenance precision is accelerated; after one line detection point is in a broken circuit or short circuit condition, the other detection points do not send out broken circuit prompt signals, and the linkage change of the other detection points is avoided; the device can be suitable for circuits with different load voltages and has wider application range.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the housing of FIG. 1 connected to the detector by wires;

fig. 3 is a schematic diagram of the operation of the prompter of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, the circuit fault detection apparatus of the present embodiment includes a detector 1 capable of being connected to a circuit to be detected, the detector 1 is connected to a program controller 2, the program controller 2 is connected to a prompter 3 capable of sending an open circuit prompt signal when a circuit detected by the detector is open, the number of the detectors 1 is N, the N detectors 1 are connected to N detection points of the circuit to be detected, the N prompters 3 are N, the N prompters 3 are in one-to-one correspondence with the N detectors 1, and the program controller 2 triggers the corresponding prompters 3 and locks the rest of the prompters 3 when any detector 1 detects that the circuit is open, so that the rest of the prompters 3 do not send open circuit prompt signals; or, the prompter 3 is a single instrument capable of sending N open circuit prompting signals, the N open circuit prompting signals of the single instrument can correspond to the N detectors 1 one by one, the program controller 2 triggers the prompter 3 to send corresponding open circuit prompting signals when any detector 1 detects that a circuit is open, and N is a natural number greater than 1. The program controller 2 is provided with M groups of mutually independent control circuits with different load voltages, any one group of control circuits can be connected with the N detectors 1, and M is a natural number greater than 1. The control circuits have six groups, and the load voltages of the six groups of control circuits are 12V, 24V, 36V, 110V, 220V and 380V respectively. The program controller 2 is provided with a selection switch 21 which can be connected with any one of the six groups of control circuits, and when the selection switch 21 is connected with one group of control circuits, the rest five groups of control circuits are in an open circuit state. The prompter 3, the program controller 2 and the selection switch 21 are arranged in the same shell 4, the prompter 3 is distributed on an operation panel 41 on the front surface of the shell, the selection switch 21 is also arranged on the operation panel 41, and the program controller 2 is connected with an encoder capable of inputting codes to the program controller 2 through a line penetrating through the shell 4. The selection switch 21 is a knob switch, an indication protrusion 22 for indicating the on position of the knob switch is arranged on the knob switch, six prompting convex parts 42 for indicating corresponding load voltage are arranged on the control panel 41 corresponding to the rotation track of the indication protrusion 22, and when the knob switch rotates to the state that the indication protrusion 22 is aligned with any one of the prompting convex parts 42, the knob switch is switched on a corresponding control circuit. The shell 4 is provided with a switching button 5 for starting and stopping, the switching button 5 is connected with the program controller 2 through a line, the switching button 5 is connected with a start indicator lamp 51 and a stop indicator lamp 52, when the switching button 5 is switched on, the start indicator lamp 51 is turned on, the stop indicator lamp 52 is turned off, when the switching button 5 is switched off, the start indicator lamp 51 is turned off, and the stop indicator lamp 52 is turned on. The specific structure that program controller 2 triggers corresponding prompting device 3 and locks other prompting devices 3 when any detector 1 detects that the circuit is open is that a relay is arranged on the circuit connecting each prompting device 3 and program controller 2, when no detector 1 detects that the circuit is open, all prompting devices 3 are kept in a short-circuit state, when any detector 1 detects that the circuit is open, the prompting device 3 corresponding to the detector 1 which detects that the circuit is open is powered on to send an open-circuit prompting signal, and other prompting devices 3 are kept in a short-circuit state. The prompter 3 is a nixie tube capable of displaying numbers, N detectors 1 correspond to N different numbers, and N is a natural number greater than 1. The N detectors 1 are divided into N-2 common detectors and 2 standby detectors, a standby switch 23 is arranged on a connecting line between any one of the standby detectors and the program controller 2, the standby switch 23 is kept in an open-circuit state, and when any one of the common detectors is damaged, the standby switch 23 is manually closed. The specific circuits of the program controller 2, the specific structure of the detector 1, and the specific structure of the nixie tube are all prior art, and therefore, they will not be described in detail. As shown in fig. 3, K is the power connection end of the relay, when the relay is powered on, the corresponding relay switch is closed, the corresponding prompter 3 sends out a disconnection prompting signal, the rest of relays are in a short-circuit state, the prompters 3 corresponding to the rest of relays do not send out a disconnection prompting signal, and the disconnection prompting signal in the figure is the corresponding number to be turned on. In fig. 3, k1, k2, k3 and k4 are all relay switches, k1, k2, k3 and k4 correspond to the turn-on indicator lamp 51 and t2, t3 and t4 respectively, and two standby switches 23 correspond to t5 and t6, wherein t2, t3, t4, t5 and t6 are all the prompters 3.

Claims

1. The utility model provides a circuit fault detection device, includes detector (1) that can switch on mutually with the circuit of awaiting measuring, detector (1) is connected with program controller (2), program controller (2) are connected with prompter (3) that can send the cue signal that opens circuit when the circuit that the detector detected opens circuit, its characterized in that: the circuit breaker alarm device comprises N detectors (1), N detectors (1) are connected to N detection points of a circuit to be detected, N prompters (3) are provided, the N prompters (3) correspond to the N detectors (1) one by one, and when any detector (1) detects circuit breaking, the program controller (2) triggers the corresponding prompter (3) and locks the rest prompters (3) to enable the rest prompters (3) not to send out breaking prompt signals; or, the prompter (3) is a single instrument capable of sending N open circuit prompting signals, the N open circuit prompting signals of the single instrument can be in one-to-one correspondence with the N detectors (1), the program controller (2) triggers the prompter (3) to send corresponding open circuit prompting signals when any detector (1) detects that a circuit is open, and N is a natural number greater than 1.

2. The circuit failure detection device according to claim 1, wherein: m groups of mutually independent control circuits with different load voltages are arranged in the program controller (2), any group of control circuits can be connected with the N detectors (1), and M is a natural number greater than 1.

3. The circuit failure detection device according to claim 2, wherein: the control circuits have six groups, and the load voltages of the six groups of control circuits are 12V, 24V, 36V, 110V, 220V and 380V respectively.

4. The circuit failure detection device according to claim 3, wherein: the program controller (2) is provided with a selection switch (21) which can be connected with any one of the six groups of control circuits, and when the selection switch (21) is connected with one group of control circuits, the rest five groups of control circuits are in an open circuit state.

5. The circuit failure detection device according to claim 4, wherein: the prompting device (3), the program controller (2) and the selection switch (21) are arranged in the same shell (4), the prompting device (3) is distributed on an operation panel (41) on the front face of the shell, the selection switch (21) is also arranged on the operation panel (41), and the program controller (2) is connected with an encoder capable of inputting codes to the program controller (2) through a line penetrating through the shell (4).

6. The circuit failure detection device according to claim 5, wherein: the selection switch (21) is a knob switch, an indication bulge (22) for indicating the turn-on position of the knob switch is arranged on the knob switch, six prompt convex parts (42) for indicating corresponding load voltage are arranged on a control panel (41) corresponding to the rotation track of the indication bulge (22), and when the knob switch rotates to the point that the indication bulge (22) is aligned with any prompt convex part (42), the knob switch is turned on to a corresponding control circuit.

7. The circuit failure detection device according to claim 5, wherein: the switching device is characterized in that a switching button (5) for starting and stopping is arranged on the shell (4), the switching button (5) is connected with the program controller (2) through a circuit, the switching button (5) is connected with a starting indicator lamp (51) and a stopping indicator lamp (52), when the switching button (5) is switched on, the starting indicator lamp (51) is turned on, the stopping indicator lamp (52) is turned off, when the switching button (5) is switched off, the starting indicator lamp (51) is turned off, and the stopping indicator lamp (52) is turned on.

8. The circuit failure detection device according to any one of claims 1 to 7, wherein: the specific structure that the program controller (2) triggers the corresponding prompter (3) and locks the rest of the prompters (3) when any detector (1) detects the circuit break is that a relay is arranged on the circuit connected with each prompter (3) and the program controller (2), when no detector (1) detects the circuit break, all the prompters (3) are kept in a short-circuit state, when any detector (1) detects the circuit break, the prompter (3) corresponding to the detector (1) which detects the circuit break is electrified to send out a break prompting signal, and the rest of the prompters (3) are kept in a short-circuit state.

9. The circuit failure detection device according to any one of claims 1 to 7, wherein: the prompter (3) is a nixie tube capable of displaying numbers, and the N detectors (1) correspond to N different numbers.

10. The circuit failure detection device according to any one of claims 1 to 7, wherein: n detectors (1) are divided into N-2 common detectors and 2 standby detectors, a standby switch (23) is arranged on a connecting line between any one of the standby detectors and the program controller (2), the standby switch (23) is kept in an open-circuit state, and when any one of the common detectors is damaged, the standby switch (23) is manually closed.