CN108983023A - A kind of wiring harness test method and its detection device and detection circuit - Google Patents
A kind of wiring harness test method and its detection device and detection circuit Download PDFInfo
- Publication number
- CN108983023A CN108983023A CN201810738013.7A CN201810738013A CN108983023A CN 108983023 A CN108983023 A CN 108983023A CN 201810738013 A CN201810738013 A CN 201810738013A CN 108983023 A CN108983023 A CN 108983023A
- Authority
- CN
- China
- Prior art keywords
- harness
- circuit board
- light emitting
- emitting diode
- running lamp
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The present invention provides a kind of wiring harness test method, apparatus and circuits, the described method includes: according to detection circuit schematic diagram soldered circuit board, it is provided on circuit board to plug, the terminal types in preset requirement and the dynamics of different terminal machines crimping are obtained, the dynamics of terminal machine crimping is determined according to the terminal types of preset requirement；The corresponding relationship in preset requirement between harness and sheath is obtained, corresponding harness is plugged in the sheath according to preset requirement；The circuit board package being welded is entered in shell, the corresponding relationship of light emitting diode and harness in circuit board is obtained, and the corresponding relationship of light emitting diode and harness is marked；By running lamp burning program into controller；Harness to be detected is connect with to plug, and accesses power supply；The on-off of harness is judged according to whether lighting for running lamp.Above-mentioned wiring harness test method will need the harness detected to connect with to plug, illustrates that corresponding harness goes wrong when running lamp does not work, improves operating efficiency, reduces false determination ratio.
Description
[technical field]
The present invention relates to electrical equipment detection technique field more particularly to a kind of wiring harness test methods, Beam Detector
With wiring harness test circuit.
[background technique]
As the improvement of people's living standards, people are increasingly enhanced the dependence of electronic product, electronics categories
It is being continuously increased, harness also becomes increasingly complex, and then the safety of harness, economy, persistence also being concerned gradually.
For the safely and reliably use for guaranteeing harness, it is necessary to carry out stringent quality monitoring according to product, Chu not in time
Qualified product, now with the producer of many production harness, but existing wiring harness test method is comparatively laborious, when more wasteful
Between, testing result is unreliable, and it is often the use of harness that present existing technology, which often only has detected the one of performance of harness,
Hidden danger is brought, and causes the various troubles after entrucking, brings loss to manufacturer and client.
Therefore, it is necessary to provide a kind of wiring harness test method, apparatus and circuit.
[summary of the invention]
The purpose of the present invention is to provide a kind of wiring harness test method and its detection devices and detection circuit, it is intended to solve line
Beam detection process is cumbersome, the insecure problem of testing result.
Technical scheme is as follows: a kind of wiring harness test method, the detection method include:
According to detection circuit schematic diagram soldered circuit board, it is provided on the circuit board to plug；
The terminal types in preset requirement and the dynamics of different terminal machines crimping are obtained, according to the terminal types of preset requirement
Determine the dynamics of terminal machine crimping；
The corresponding relationship in preset requirement between harness and sheath is obtained, it will the corresponding harness according to the preset requirement
It is plugged in the sheath；
The circuit board package being welded is entered in shell, the pass corresponding with the harness of light emitting diode in circuit board is obtained
System, and the corresponding relationship of the light emitting diode and the harness is marked；By running lamp burning program into controller；
Harness to be detected connect plug with described, and accesses power supply；
The on-off of the harness is judged according to whether lighting for running lamp.
The embodiment of the present invention also provides: it is described according to detection circuit schematic diagram soldered circuit board, it is set on the circuit board
It is equipped with and includes: to plug
Prepare multiple required components；
Component is corresponded into welding on circuit boards according to drawing, draws and leads at each light emitting diode cathode
Line；
Required wire size is printed with wire size machine according to drawing, and the wire size is interted to material.
The embodiment of the present invention also provides: described to judge that the on-off of harness includes: according to whether lighting for running lamp
Level information is obtained, the state of running lamp is obtained according to the level information；
When the level information is high ordinary mail, running lamp is in normal flashing state, obtains the information of harness conducting；
When the level information is low level signal, detection lamp is in abnormality, obtains the information that harness disconnects.
The embodiment of the present invention also provides: the controller uses microprocessor AT89C2051, is used for burning running lamp journey
Sequence realizes wiring harness test.
A kind of Beam Detector, the detection device include:
Welding circuit board module, for according to detection circuit schematic diagram soldered circuit board, being provided on the circuit board pair
Plug；
Crimping dynamics determining module, for obtaining the terminal types in preset requirement and the dynamics of different terminal machines crimping,
The dynamics of terminal machine crimping is determined according to the terminal types of preset requirement；
Harness plug-in module, for obtaining the corresponding relationship in preset requirement between harness and sheath, according to described default
It is required that the correspondence harness is plugged in the sheath；
Circuit package module obtains light emitting diode in circuit board for entering the circuit board package being welded in shell
With the corresponding relationship of the harness, and the corresponding relationship of the light emitting diode and the harness is marked；By running lamp
Burning program is into controller；
Link block for harness to be detected to connect plug with described, and accesses power supply；
Harness on-off judgment module, for judging the on-off of the harness according to whether lighting for running lamp.
The embodiment of the present invention also provides: the welding circuit board module includes:
Component preparatory unit, for preparing multiple required components；
Welding circuit board unit is also used to that component is corresponded welding on circuit boards according to drawing, in each hair
Extraction wire at optical diode cathode；
Wire size print unit, for printing required wire size with wire size machine according to drawing, and by the wire size intert to
On material.
The embodiment of the present invention also provides: the harness on-off judgment module includes:
Running lamp state judging unit obtains the state of running lamp according to the level information for obtaining level information；
Harness on-off information acquisition unit, for when the level information is high ordinary mail, running lamp to be in normal and dodges
Bright state, obtains the information of harness conducting；When the level information is low level signal, detection lamp is in abnormality, obtains
Obtain the information that harness disconnects.
A kind of wiring harness test circuit is applied to wiring harness test method characterized by comprising power supply connects with the power supply
The controller that connects, the N number of light emitting diode being connect with the controller and N number of resistance, controllably opening of being connect with the controller
It closes；Wire size corresponds on N number of light emitting diode and harness；
N number of light emitting diode is connected by the way of in parallel, N number of resistance respectively with N number of light-emitting diodes
Pipe is connected in series to；
The input terminal of the controller receives input signal, and the input signal via controller flows to each light emitting diode；
The level information for obtaining the input signal lights institute when the level information of the input signal is high level
Light emitting diode is stated, harness is in the conductive state；
When the level information of the input signal is low level, the light emitting diode is in OFF state, at harness
In off-state.
The embodiment of the present invention also provides: further include: fast recovery diode, first connect with the fast recovery diode
Voltage-stablizer, the second voltage-stablizer being connect with first voltage-stablizer, the first capacitor and second in parallel with first voltage-stablizer
Capacitor and the third capacitor and fourth capacitor in parallel with second voltage-stablizer；
The fast recovery diode input terminal connects to power supply, and input terminal is connect with first resistor；
First pin of first voltage-stablizer connects to power supply, and receives input signal, second pin ground connection, third
Pin is connect with second voltage-stablizer；
First pin of second voltage-stablizer is connect with the third pin of first voltage-stablizer, and it is steady that reception flows through first
The input signal of depressor, second pin ground connection, third pin are in parallel with the third, the 4th capacitor.
The beneficial effects of the present invention are: specifically detection scheme is provided, the terminal types according to preset requirement are passed through
Corresponding harness is plugged in sheath according to the preset requirement, soldered circuit board is encapsulated by the dynamics for determining terminal machine crimping
Enter in shell, and is the LED markers corresponding relationship in circuit board, it, will be to by running lamp burning program into controller
Detection harness is connect with to plug, and accesses power supply.Wire size corresponds on light emitting diode and harness, facilitates investigation problem,
It is exactly which root line is problematic or corresponding several lamps of which root line are bright which lamp, which does not work, is exactly the corresponding line short circuit of that several lamp,
And terminal compression joint belongs to the steps necessary of harness production, detecting tool needs are docked with harness to be measured, so, according to preset requirement
Terminal types determine the dynamics of terminal machine crimping, the guaranteeing role to detection circuit can be realized by installing corresponding sheath.
[Detailed description of the invention]
Fig. 1 is the wiring harness test circuit diagram that the prior art provides；
Fig. 2 is the flow diagram of the wiring harness test method provided in one embodiment of the invention；
Fig. 3 is the flow diagram of the wiring harness test method provided in another one embodiment of the invention；
Fig. 4 is that provide in one embodiment of the invention described judges the on-off of harness according to whether lighting for running lamp
Flow diagram；
Fig. 5 is the structural block diagram of the Beam Detector provided in one embodiment of the invention；
Fig. 6 is the structural block diagram of the Beam Detector provided in another embodiment of the present invention；
Fig. 7 is the schematic diagram of the wiring harness test circuit provided in one embodiment of the invention；
Fig. 8 is the schematic diagram of the wiring harness test circuit provided in another embodiment of the present invention.
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the wiring harness test circuit diagram that the prior art provides, including the detection circuit that multichannel is isolated from each other, every road detection
Circuit includes power supply, the first terminals, the second terminals, resistance and light emitting diode, and first connects described in the plant-grid connection
The anode of line end, second terminals, resistance and light emitting diode is sequentially connected, and the cathode of the light emitting diode is connected to ground
Line, wherein the ground wire of every alignment detection circuit is differing from each other, first terminals and the second terminals for be electrically connected to
The both ends of survey line beam, the LEDs ON when harness is connected.
But wiring harness test circuit in the prior art, when any two harness connect incorrect order with terminals, the two of misconnection
The corresponding light emitting diode cut-off of route is detected on road, does not shine, does not provide detailed corresponding between harness and light emitting diode
Relationship, and specific, comprehensive detection scheme is not provided.
In one embodiment of the invention, as shown in Fig. 2, providing a kind of wiring harness test method, the detection method
The following steps are included:
S201 is provided on the circuit board to plug according to detection circuit schematic diagram soldered circuit board.
Wherein, Wiring harness connector is one kind of terminal, and connector is also known as connector, is consisted of a plug and a socket, that is,
It says, is a part of Wiring harness connector to plug.
Wherein, the component that detection circuit schematic diagram includes are as follows: 24V power supply one, light emitting diode is several, if resistance
It is dry, fast recovery diode 1, electrolytic capacitor 4, single-chip microcontroller 1, three terminal regulator MC7812 mono-, three terminal regulator
MC7805 mono-, resistor RX21-1-100 ± 5% 1, precision resistor RJ71-0.25-10K mono-.
Specifically, according to the drawing of pre-designed detection circuit schematic diagram, by the device on each component and drawing
Part is corresponding, and each device is welded according to detection circuit schematic diagram, forms circuit board.
S202 obtains the terminal types in preset requirement and the dynamics of different terminal machines crimping, according to the end of preset requirement
Subtype determines the dynamics of terminal machine crimping.
Wherein, terminal types according to the requirements of the drawings determine the dynamics of terminal machine crimping, and different terminal compression joint dynamics is not
Together, the crimping dynamics of such as some cold pressing line terminals will be larger, because terminal machine belongs to danger source, therefore need to make crimping and grasps
Book is explained, for there are the needs of particular/special requirement to indicate on technical papers and training operative employee.
Specifically, according to preset requirement, judge the type that terminal belongs to, and determined according to the different type of terminal corresponding
Crimping dynamics.
S203 obtains the corresponding relationship in preset requirement between harness and sheath, will corresponding institute according to the preset requirement
Harness is stated to be plugged in the sheath.
Wherein, harness (circuit group) is to provide the totality of service equipment, such as junction line for certain load source group
Road, switch, control system etc., load source are the service objects of harness, typically refer to user equipment, in a broad sense, upper one
Grade equipment is exactly the load source of next stage equipment.And sheath typically serve to protect automotive interior line circuit not by external force damage with
And play the effect of dust-proof insulation.
And terminal compression joint belongs to the steps necessary of harness production, detecting tool needs are docked with harness to be measured, so necessary
Crimp type terminal is wanted, corresponding sheath is installed.
S204 enters the circuit board package being welded in shell, obtains light emitting diode and the harness in circuit board
Corresponding relationship, and the corresponding relationship of the light emitting diode and the harness is marked；By running lamp burning program to control
In device processed.
Wherein, running lamp is exactly one group of lamp, is then sent out under control of the control system according to the sequence of setting and time
Bright and extinguishing, can thus form certain visual effect, just pacify running lamp above the StoreFront and signboard of many streets, taken a fancy to
It goes more attractive.
Specifically, by the way that running lamp burning program into controller, that is, microprocessor AT89C2051, is run flowing water
After lamp program, under no short circuit or open circuit conditions, corresponding running lamp can be lighted.
Specifically, the plank of weldering is put into shell and exposes light emitting diode, and marked corresponding relationship, light-emitting diodes
Guan corresponding with wire size on harness, facilitate investigation problem, it is exactly which root line is problematic or which root line is corresponding which lamp, which does not work,
Several lamps are bright, are exactly the corresponding line short circuit of that several lamp.
Harness to be detected connect plug with described, and accesses power supply by S205.
Specifically, harness to be detected with plug is connect and accesses power supply after, run running lamp program, without short circuit or it is disconnected
In the case of road, corresponding running lamp can be lighted.
S206 judges the on-off of the harness according to whether lighting for running lamp.
Specifically, when running lamp is lighted, illustrate that harness corresponding with the running lamp is conducting；When running lamp does not work
When, illustrate that harness corresponding with the running lamp is to disconnect.That is, can be by judging the situation of lighting of running lamp, tool
Body includes the case where normally flashing, be always on and extinguishing, to judge the break-make situation of harness, wherein if running lamp normally flashes,
Corresponding harness is on situation；If running lamp extinguishes or is always on, corresponding harness is in disconnection.
In above-mentioned wiring harness test method, specifically detection scheme is provided, by true according to the terminal types of preset requirement
Corresponding harness is plugged in sheath according to the preset requirement, soldered circuit board is encapsulated by the dynamics of fixed end handset crimping
In shell, and will be to be checked by running lamp burning program into controller for the LED markers corresponding relationship in circuit board
Survey line beam is connect with to plug, and accesses power supply.Wire size corresponds on light emitting diode and harness, facilitates investigation problem, which
It is exactly which root line is problematic or corresponding several lamps of which root line are bright that a lamp, which does not work, is exactly the corresponding line short circuit of that several lamp, and
Terminal compression joint belongs to the steps necessary of harness production, and detecting tool needs are docked with harness to be measured, so, according to preset requirement
Terminal types determine the dynamics of terminal machine crimping, and the guaranteeing role to detection circuit can be realized by installing corresponding sheath.
In one embodiment of the invention, the controller uses microprocessor AT89C2051, is used for burning running lamp journey
Sequence realizes wiring harness test.
Wherein, AT89C2051 single-chip microcontroller, piece include the re-erable read-only program memory of 2k bytes
(PEROM) and the random data memory (RAM) of 128bytes, device use high density, the non-volatile memories of atmel corp
Technology production, compatibility standard MCS-51 instruction system, general 8 central processing units and Flash storage unit built in piece,
AT89C2051 single-chip microcontroller is widely used in electronic product.
Specifically, by using microprocessor AT89C2051 as controller, and running lamp burning program is entered, works as stream
When water lamp is lighted, illustrate that harness corresponding with the running lamp is conducting；When running lamp does not work, illustrate corresponding with the running lamp
Harness be disconnect.That is, situation can be lighted by judge running lamp, specifically include normally flash, be always on and
The case where extinguishing, to judge the break-make situation of harness, wherein if running lamp normally flashes, corresponding harness is in and leads
Understanding and considerate condition；If running lamp extinguishes or is always on, corresponding harness is in disconnection.
In one embodiment of the invention, as shown in figure 3, providing wiring harness test side described in a kind of wiring harness test method
Method is further comprising the steps of:
S301 prepares multiple required components；
Specifically, the component that detection circuit schematic diagram includes are as follows: 24V power supply one, light emitting diode is several, if resistance
It is dry, fast recovery diode 1, electrolytic capacitor 4, single-chip microcontroller 1, three terminal regulator MC7812 mono-, three terminal regulator
MC7805 mono-, resistor RX21-1-100 ± 5% 1, precision resistor RJ71-0.25-10K mono-.
Component is corresponded welding on circuit boards according to drawing, drawn at each light emitting diode cathode by S302
Conducting wire out；
Specifically, according to the drawing of pre-designed detection circuit schematic diagram, by the device on each component and drawing
Part is corresponding, and each device is welded according to detection circuit schematic diagram, forms circuit board.
S303 prints required wire size with wire size machine according to drawing, and the wire size is interted to material；
Wire size inker is also known as wire size printer, abbreviation wire size machine, marking machine.Full name cable mark printer, also known as line
Number inker, marking machine, using thermal transfer printing technique, printing precision can reach 300dpi, can be in PVC casing, heat-shrink tube, no
Printable character on the materials such as dry glue label is generally used for automatically controlled, controller switching equipment secondary line mark, is automatically controlled, controller switching equipment and comprehensive
The special equipment for closing wiring installation wiring mark, can meet power plant, Electrical utility firms, substation, power industry wiring zone minute mark
The needs of will mark, are widely used in the printing in the profession identities such as switch, locomotive, lathe, electric power, telecommunications, medicine, steel field
Machine, full name cable mark printer.
In one embodiment of the invention, as shown in figure 4, providing a kind of whether light judgement line according to running lamp
The on-off of beam, the step include:
S401 obtains level information, and the state of running lamp is obtained according to the level information；
Wherein, level information is corresponding with running lamp state, and when the level information is high ordinary mail, running lamp is in just
Often flashing state；When the level information is low level signal, the shapes such as detection lamp is in abnormality, including is always on and extinguishes
State.
S402, when the level information is high ordinary mail, running lamp is in normal flashing state, obtains harness conducting
Information；
S403, when the level information is low level signal, detection lamp is in abnormality, obtains the letter that harness disconnects
Breath；
Specifically, when the level information is high ordinary mail, detection lamp is in normal flashing state, obtains harness conducting
Information, when the level information is low level signal, detection lamp be in abnormality, obtains the information of harness disconnection.On
It states and level information is obtained according to the detection information, and judge the on-off of harness according to the level information, obtain harness on-off
The step of information, obtains the state of detection lamp according to the level information, when the level information is by obtaining level information
When high ordinary mail, detection lamp is in normal flashing state, obtains the information of harness conducting, when the level information is low level letter
Number when, detection lamp be in abnormality, obtains the information of harness disconnection.It can accurately and quickly judge the on-off shape of harness
Harness on-off information is quickly transferred to terminal by state.
It should be understood that although each step in the flow chart of Fig. 2-4 is successively shown according to the instruction of arrow,
These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 2-4
Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively
It carries out, but can be at least part of the sub-step or stage of other steps or other steps in turn or alternately
It executes.
In one embodiment of the invention, as shown in figure 5, providing a kind of Beam Detector, described device includes:
Welding circuit board module 501, for being provided on the circuit board according to detection circuit schematic diagram soldered circuit board
To plug
Wherein, Wiring harness connector is one kind of terminal, and connector is also known as connector, is consisted of a plug and a socket, that is,
It says, is a part of Wiring harness connector to plug.
Wherein, the component that detection circuit schematic diagram includes are as follows: 24V power supply one, light emitting diode is several, if resistance
It is dry, fast recovery diode 1, electrolytic capacitor 4, single-chip microcontroller 1, three terminal regulator MC7812 mono-, three terminal regulator
MC7805 mono-, resistor RX21-1-100 ± 5% 1, precision resistor RJ71-0.25-10K mono-.
Specifically, according to the drawing of pre-designed detection circuit schematic diagram, by the device on each component and drawing
Part is corresponding, and each device is welded according to detection circuit schematic diagram, forms circuit board.
Crimping dynamics determining module 502, for obtaining the terminal types in preset requirement and the power of different terminal machines crimping
Degree determines the dynamics of terminal machine crimping according to the terminal types of preset requirement.
Wherein, terminal types according to the requirements of the drawings determine the dynamics of terminal machine crimping, and different terminal compression joint dynamics is not
Together, the crimping dynamics of such as some cold pressing line terminals will be larger, because terminal machine belongs to danger source, therefore need to make crimping and grasps
Book is explained, for there are the needs of particular/special requirement to indicate on technical papers and training operative employee.
Specifically, according to preset requirement, judge the type that terminal belongs to, and according to the corresponding crimping of the different type of terminal
Dynamics.
Harness plug-in module 503, for obtaining the corresponding relationship in preset requirement between harness and sheath, according to described pre-
If it is required that the correspondence harness is plugged in the sheath.
Wherein, harness (circuit group) is to provide the totality of service equipment, such as junction line for certain load source group
Road, switch, control system etc., load source are the service objects of harness, typically refer to user equipment, in a broad sense, upper one
Grade equipment is exactly the load source of next stage equipment.And sheath typically serve to protect automotive interior line circuit not by external force damage with
And play the effect of dust-proof insulation.
And terminal compression joint belongs to the steps necessary of harness production, detecting tool needs are docked with harness to be measured, so necessary
Crimp type terminal is wanted, corresponding sheath is installed.
Circuit package module 504 obtains light-emitting diodes in circuit board for entering the circuit board package being welded in shell
The corresponding relationship of pipe and the harness, and the corresponding relationship of the light emitting diode and the harness is marked；By flowing water
Lamp burning program is into controller.
Wherein, running lamp is exactly one group of lamp, is then sent out under control of the control system according to the sequence of setting and time
Bright and extinguishing, can thus form certain visual effect, just pacify running lamp above the StoreFront and signboard of many streets, taken a fancy to
It goes more attractive.
Specifically, by the way that running lamp burning program into controller, that is, microprocessor AT89C2051, is run flowing water
After lamp program, under no short circuit or open circuit conditions, corresponding running lamp can be lighted.
Specifically, the plank of weldering is put into shell and exposes light emitting diode, and marked corresponding relationship, light-emitting diodes
Guan corresponding with wire size on harness, facilitate investigation problem, it is exactly which root line is problematic or which root line is corresponding which lamp, which does not work,
Several lamps are bright, are exactly the corresponding line short circuit of that several lamp.
Link block 505 for harness to be detected to be connect with to plug, and accesses power supply.
Specifically, harness to be detected with plug is connect and accesses power supply after, run running lamp program, without short circuit or it is disconnected
In the case of road, corresponding running lamp can be lighted.
Harness on-off judgment module 506, for judging the on-off of harness according to whether lighting for running lamp.
Specifically, when running lamp is lighted, illustrate that harness corresponding with the running lamp is conducting；When running lamp does not work
When, illustrate that harness corresponding with the running lamp is to disconnect.That is, can be by judging the situation of lighting of running lamp, tool
Body includes the case where normally flashing, be always on and extinguishing, to judge the break-make situation of harness, wherein if running lamp normally flashes,
Corresponding harness is on situation；If running lamp extinguishes or is always on, corresponding harness is in disconnection.
Above-mentioned Beam Detector provides specifically detection scheme, by being determined according to the terminal types of preset requirement
Corresponding harness is plugged in sheath according to the preset requirement, soldered circuit board is encapsulated into shell by the dynamics of terminal machine crimping
In body, and will be to be detected by running lamp burning program into controller for the LED markers corresponding relationship in circuit board
Harness is connect with to plug, and accesses power supply.Wire size corresponds on light emitting diode and harness, facilitates investigation problem, which
It is exactly which root line is problematic or corresponding several lamps of which root line are bright that lamp, which does not work, is exactly the corresponding line short circuit of that several lamp, and is held
Son crimping belongs to the steps necessary of harness production, and detecting tool needs are docked with harness to be measured, so, according to the end of preset requirement
Subtype determines the dynamics of terminal machine crimping, and the guaranteeing role to detection circuit can be realized by installing corresponding sheath.
In another embodiment of the present invention, as shown in fig. 6, providing a kind of Beam Detector, described device is also
Include:
Component preparatory unit 601, for preparing multiple required components.
Specifically, the component that detection circuit schematic diagram includes are as follows: 24V power supply one, light emitting diode is several, if resistance
It is dry, fast recovery diode 1, electrolytic capacitor 4, single-chip microcontroller 1, three terminal regulator MC7812 mono-, three terminal regulator
MC7805 mono-, resistor RX21-1-100 ± 5% 1, precision resistor RJ71-0.25-10K mono-.
Welding circuit board unit 602 is also used to that component is corresponded welding on circuit boards according to drawing, each
Extraction wire at light emitting diode cathode.
Specifically, according to the drawing of pre-designed detection circuit schematic diagram, by the device on each component and drawing
Part is corresponding, and each device is welded according to detection circuit schematic diagram, forms circuit board.
Wire size print unit 603 for printing required wire size with wire size machine according to drawing, and the wire size is interted
To material.
Wire size inker is also known as wire size printer, abbreviation wire size machine, marking machine.Full name cable mark printer, also known as line
Number inker, marking machine, using thermal transfer printing technique, printing precision can reach 300dpi, can be in PVC casing, heat-shrink tube, no
Printable character on the materials such as dry glue label is generally used for automatically controlled, controller switching equipment secondary line mark, is automatically controlled, controller switching equipment and comprehensive
The special equipment for closing wiring installation wiring mark, can meet power plant, Electrical utility firms, substation, power industry wiring zone minute mark
The needs of will mark, are widely used in the printing in the profession identities such as switch, locomotive, lathe, electric power, telecommunications, medicine, steel field
Machine, full name cable mark printer.
In one embodiment of the invention, a kind of harness on-off judgment module is provided, the harness on-off judgment module
Include:
Running lamp state judging unit obtains the state of detection lamp according to the level information for obtaining level information.
Harness on-off information acquisition unit, for when the level information is high ordinary mail, detection lamp to be in normal and dodges
Bright state, obtains the information of harness conducting；When the level information is low level signal, detection lamp is in abnormality, obtains
Obtain the information that harness disconnects.
Specifically, when the level information is high ordinary mail, detection lamp is in normal flashing state, obtains harness conducting
Information, when the level information is low level signal, detection lamp be in abnormality, obtains the information of harness disconnection.
Above-mentioned judgment module obtains the state of detection lamp according to the level information, when described by obtaining level information
When level information is high ordinary mail, detection lamp is in normal flashing state, the information of harness conducting is obtained, when the level information
When for low level signal, detection lamp be in abnormality, obtains the information of harness disconnection.It can accurately and quickly judge harness
On off operating mode, harness on-off information is quickly transferred to terminal.
Specific about Beam Detector limits the restriction that may refer to above for wiring harness test method, herein not
It repeats again.
In one embodiment of the invention, as shown in fig. 7, providing a kind of wiring harness test circuit, it is applied to harness and examines
Survey method, comprising: power supply, the controller being connect with the power supply, the N number of light emitting diode being connect with the controller and N number of
Resistance, the controllable switch being connect with the controller；Wire size corresponds on N number of light emitting diode and harness；
N number of light emitting diode is connected by the way of in parallel, N number of resistance respectively with N number of light-emitting diodes
Pipe is connected in series to；
The input terminal of the controller receives input signal, and the input signal via controller flows to each light emitting diode；
The level information for obtaining the input signal lights institute when the level information of the input signal is high level
Light emitting diode is stated, harness is in the conductive state；When the level information of the input signal is low level, the light-emitting diodes
Pipe is in OFF state, and harness is in an off state.
In another embodiment of the present invention, as shown in figure 8, providing a kind of wiring harness test circuit, further includes:
Fast recovery diode, the first voltage-stablizer connecting with the fast recovery diode are connect with first voltage-stablizer
The second voltage-stablizer, the first capacitor in parallel with first voltage-stablizer and the second capacitor and with second voltage-stablizer simultaneously
The third capacitor and the 4th capacitor of connection；
The fast recovery diode input terminal connects to power supply, and input terminal is connect with first resistor；
First pin of first voltage-stablizer connects to power supply, and receives input signal, second pin ground connection, third
Pin is connect with second voltage-stablizer；
Second voltage-stablizer is connect with the first pin with the third pin of first voltage-stablizer, and reception flows through first
The input signal of voltage-stablizer, second pin ground connection, third pin are in parallel with the third, the 4th capacitor.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (9)
1. a kind of wiring harness test method, which is characterized in that the detection method includes:
According to detection circuit schematic diagram soldered circuit board, it is provided on the circuit board to plug；
The terminal types in preset requirement and the dynamics of different terminal machines crimping are obtained, are determined according to the terminal types of preset requirement
The dynamics of terminal machine crimping；
The corresponding relationship in preset requirement between harness and sheath is obtained, it will the corresponding harness grafting according to the preset requirement
To in the sheath；
The circuit board package being welded is entered in shell, the corresponding relationship of light emitting diode and the harness in circuit board is obtained,
And the corresponding relationship of the light emitting diode and the harness is marked；
By running lamp burning program into controller；
Harness to be detected connect plug with described, and accesses power supply；
The on-off of the harness is judged according to whether lighting for running lamp.
2. wiring harness test method according to claim 1, which is characterized in that described to weld electricity according to detection circuit schematic diagram
Road plate, is provided on the circuit board and includes: to plug
Prepare multiple required components；
Component is corresponded into welding on circuit boards according to drawing, the extraction wire at each light emitting diode cathode；
Required wire size is printed with wire size machine according to drawing, and the wire size is interted to material.
3. wiring harness test method according to claim 1, which is characterized in that described whether to light judgement according to running lamp
The on-off of harness includes:
Level information is obtained, the state of running lamp is obtained according to the level information；
When the level information is high ordinary mail, running lamp is in normal flashing state, obtains the information of harness conducting；
When the level information is low level signal, detection lamp is in abnormality, obtains the information that harness disconnects.
4. wiring harness test method according to any one of claims 1 to 3, which is characterized in that the controller uses monolithic
Machine AT89C2051 is used for burning running lamp program, realizes wiring harness test.
5. a kind of Beam Detector, which is characterized in that the detection device includes:
Welding circuit board module, for being provided with to plug on the circuit board according to detection circuit schematic diagram soldered circuit board；
Crimping dynamics determining module, for obtaining the terminal types in preset requirement and the dynamics of different terminal machines crimping, according to
The terminal types of preset requirement determine the dynamics of terminal machine crimping；
Harness plug-in module, for obtaining the corresponding relationship in preset requirement between harness and sheath, according to the preset requirement
The correspondence harness is plugged in the sheath；
Circuit package module obtains light emitting diode and institute in circuit board for entering the circuit board package being welded in shell
The corresponding relationship of harness is stated, and the corresponding relationship of the light emitting diode and the harness is marked；By running lamp program
It is burned onto controller；
Link block for harness to be detected to connect plug with described, and accesses power supply；
Harness on-off judgment module, for judging the on-off of the harness according to whether lighting for running lamp.
6. Beam Detector according to claim 5, which is characterized in that the welding circuit board module includes:
Component preparatory unit, for preparing multiple required components；
Welding circuit board unit, for component to be corresponded welding on circuit boards according to drawing, in each light-emitting diodes
Extraction wire at pipe cathode；And
Wire size print unit for printing required wire size with wire size machine according to drawing, and the wire size is interted to material
On.
7. Beam Detector according to claim 5, which is characterized in that the harness on-off judgment module includes:
Running lamp state judging unit obtains the state of running lamp according to the level information for obtaining level information；
Harness on-off information acquisition unit, for when the level information is high ordinary mail, running lamp to be in normal flashing shape
State obtains the information of harness conducting；When the level information is low level signal, detection lamp is in abnormality, obtains line
The information that beam disconnects.
8. a kind of wiring harness test circuit is applied to wiring harness test method characterized by comprising power supply is connect with the power supply
Controller, N number of light emitting diode for being connect with the controller and N number of resistance, the controllable switch that is connect with the controller；
Wire size corresponds on N number of light emitting diode and harness；
It is connected between N number of light emitting diode using parallel way, one resistance of each light emitting diode series connection；
The input terminal of the controller receives input signal, and the input signal via controller flows to each light emitting diode；
The level information for obtaining the input signal lights the hair when the level information of the input signal is high level
Optical diode, harness are in the conductive state；
When the level information of the input signal is low level, the light emitting diode is in OFF state, and harness is in disconnected
Open state.
9. wiring harness test circuit according to claim 8, which is characterized in that further include: fast recovery diode, with it is described fast
First voltage-stablizer of recovery diode connection, the second voltage-stablizer being connect with first voltage-stablizer and first voltage-stablizer
First capacitor and the second capacitor in parallel and the third capacitor and the 4th capacitor in parallel with second voltage-stablizer；
The fast recovery diode input terminal connects to power supply, and input terminal is connect with first resistor；
First pin of first voltage-stablizer connects to power supply, and receives input signal, second pin ground connection, third pin
It is connect with second voltage-stablizer；
First pin of second voltage-stablizer is connect with the third pin of first voltage-stablizer, and reception flows through the first voltage-stablizer
Input signal, second pin ground connection, third pin is in parallel with the third, the 4th capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738013.7A CN108983023A (en) | 2018-07-06 | 2018-07-06 | A kind of wiring harness test method and its detection device and detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738013.7A CN108983023A (en) | 2018-07-06 | 2018-07-06 | A kind of wiring harness test method and its detection device and detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108983023A true CN108983023A (en) | 2018-12-11 |
Family
ID=64536419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810738013.7A Pending CN108983023A (en) | 2018-07-06 | 2018-07-06 | A kind of wiring harness test method and its detection device and detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108983023A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308391A (en) * | 2020-03-05 | 2020-06-19 | 南通大学 | Automobile wire harness conduction detection circuit |
| CN111580013A (en) * | 2020-05-27 | 2020-08-25 | 上海趣致网络科技股份有限公司 | Cable detection circuit of unmanned vending machine |
| CN111948427A (en) * | 2020-08-10 | 2020-11-17 | 中国工程物理研究院机械制造工艺研究所 | System and method for rapidly detecting complex wire harness assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201477176U (en) * | 2009-07-17 | 2010-05-19 | 深圳职业技术学院 | Cable marker checking device |
| CN203133219U (en) * | 2013-03-14 | 2013-08-14 | 福建省福工动力技术有限公司 | Wire harness detection circuit and wire harness detection apparatus |
| CN207051417U (en) * | 2017-06-30 | 2018-02-27 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of electric connector test device |
| CN207301287U (en) * | 2017-08-01 | 2018-05-01 | 福建易动力电子科技股份有限公司 | A kind of electrokinetic cell system wireline inspection error correction detecting system |
| CN207352105U (en) * | 2017-09-25 | 2018-05-11 | 合肥创宇新能源科技有限公司 | A kind of low voltage wiring harness detection device |
| CN108151965A (en) * | 2018-03-08 | 2018-06-12 | 长春振宇机电成套有限公司 | A kind of high-voltage wiring harness performance detecting system |
-
2018
- 2018-07-06 CN CN201810738013.7A patent/CN108983023A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201477176U (en) * | 2009-07-17 | 2010-05-19 | 深圳职业技术学院 | Cable marker checking device |
| CN203133219U (en) * | 2013-03-14 | 2013-08-14 | 福建省福工动力技术有限公司 | Wire harness detection circuit and wire harness detection apparatus |
| CN207051417U (en) * | 2017-06-30 | 2018-02-27 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of electric connector test device |
| CN207301287U (en) * | 2017-08-01 | 2018-05-01 | 福建易动力电子科技股份有限公司 | A kind of electrokinetic cell system wireline inspection error correction detecting system |
| CN207352105U (en) * | 2017-09-25 | 2018-05-11 | 合肥创宇新能源科技有限公司 | A kind of low voltage wiring harness detection device |
| CN108151965A (en) * | 2018-03-08 | 2018-06-12 | 长春振宇机电成套有限公司 | A kind of high-voltage wiring harness performance detecting system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308391A (en) * | 2020-03-05 | 2020-06-19 | 南通大学 | Automobile wire harness conduction detection circuit |
| CN111580013A (en) * | 2020-05-27 | 2020-08-25 | 上海趣致网络科技股份有限公司 | Cable detection circuit of unmanned vending machine |
| CN111948427A (en) * | 2020-08-10 | 2020-11-17 | 中国工程物理研究院机械制造工艺研究所 | System and method for rapidly detecting complex wire harness assembly |
| CN111948427B (en) * | 2020-08-10 | 2023-02-03 | 中国工程物理研究院机械制造工艺研究所 | System and method for rapidly detecting complex wire harness assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108983023A (en) | A kind of wiring harness test method and its detection device and detection circuit | |
| CN101769978B (en) | Open circuit/short circuit detector of signal wire | |
| CN206195721U (en) | Photovoltaic connector testing arrangement | |
| CN219997143U (en) | Test module of net twine and use this test module's wire grip | |
| CN204177908U (en) | Multifunctional line measurement instrument | |
| CN210465652U (en) | Portable multi-interface communication cable testing tool | |
| CN110880290B (en) | LED display module, LED display screen and control equipment thereof | |
| CN205958686U (en) | Wiring detection circuitry | |
| CN208172134U (en) | A kind of Multifunctional cable correction unit | |
| CN102803976B (en) | Power lead testing system and electronic tag | |
| CN103884957B (en) | A kind of cable tester | |
| CN110264911A (en) | General-purpose wiring instruction device | |
| CN212136811U (en) | Wire harness joint and wire harness connector | |
| CN202075356U (en) | Detection device for multi-core plug base pin signal line | |
| CN107102234B (en) | Detection device and method for voltage sampling wire harness of battery module | |
| CN214953812U (en) | Non-contact three-phase alternating current phase sequence detection device | |
| CN211123178U (en) | Voltage sampling pencil wiring detection circuitry and system | |
| CN209861060U (en) | Anti-misplug device and electronic product production system | |
| CN209858678U (en) | Product for quick line searching and line detection | |
| CN200996975Y (en) | High-voltage electric display locker | |
| CN209342337U (en) | A kind of quick hunting system of visible light | |
| CN201429669Y (en) | Signal wire breakage and short-circuit detector | |
| CN104344964B (en) | Detection tool and detection method for belt buckle fault of passenger vehicle safety belt | |
| CN209946356U (en) | Household electrical appliances pilot lamp pencil electricity test frock | |
| CN212646828U (en) | Initiating explosive device detection equipment with outage feedback confirmation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |