CN104237702A - Automobile bonding point detecting device and automobile bonding point detecting method - Google Patents
Automobile bonding point detecting device and automobile bonding point detecting method Download PDFInfo
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- CN104237702A CN104237702A CN201410519608.5A CN201410519608A CN104237702A CN 104237702 A CN104237702 A CN 104237702A CN 201410519608 A CN201410519608 A CN 201410519608A CN 104237702 A CN104237702 A CN 104237702A
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Abstract
The invention provides an automobile bonding point detecting device and an automobile bonding point detecting method, and belongs to the technical field of automobiles. The problem that faults of an automobile are difficult to check by the existing detecting device when the automobile fails is solved. The automobile bonding point detecting device comprises a bonding point detecting and processing circuit, a bonding point information collector and a network communication module, wherein the bonding point detecting and processing circuit is used for monitoring acquired voltage signals in real time and comparing the acquired voltage signals and reference voltage signals; the bonding point information collector is connected with the bonding point detecting and processing circuit; and the network communication module is connected with the bonding point information collector. The automobile bonding point detecting method comprises the following steps of (1) measuring voltage drop of a bonding point; (2) judging whether the bonding point fails or not; and (3) transmitting a judgment result obtained from the step (2) to an instrument through the network communication module and displaying the judgment result. By the automobile bonding point detecting device and the automobile bonding point detecting method, whether the bonding point at a certain portion of an automobile is normal or not can be automatically detected; and the automobile bonding point detecting device is convenient and speedy and is high in work efficiency.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of automobile bond point detection device and method.
Background technology
Automotive electric system uses DC low-voltage electricity, and each consumer all adopts and is connected in parallel.In order to save electric wire material and easy for installation, general automobile circuit all adopts one wire system, utilizes not long ground strap to be connected with automobile frame, as the return line of system.Power supply from storage battery positive pole out, through various switch, electrical equipment topworks etc., storage battery negative pole is got back to again through single line return wire, form a closed loop, the circuit of ground strap in automobile circuit is than power lead much less, but play an important role in automobile circuit, easily there is ground strap loose contact or ground strap open circuit in usual car load, light then affect the function of automobile aspect, heavy then make automobile in paralyzed state, and the bonding dots on automobile has a lot, the skilled worker of this area adopts ocular estimate usually, or a test lamp of connecting in faulty line, the concrete position of failure judgement is come by the light on and off of test lamp, or adopt discrete method to search, so not only effect is low, and destroy the integrality of automobile line, sometimes, also can bury new potential faults.
For above-mentioned Problems existing, existing Chinese patent literature discloses a kind of fault detector for circuit grounding [application number: CN200920096467.5], comprise pulse signal generator, detection probe and display circuit, pulse signal generator, detection probe and display circuit are electrically connected to each other, and testing result is shown by display circuit by detection probe; Detection probe is made up of detection probe iron core and detection probe coil, is connected in series the light emitting diode of display testing result in the loop of described detection probe coil.This utility model utilizes electromagnetic induction principle to make fault detector for circuit grounding, can be used to the concrete position of bonding in decision circuitry, be simple and easy to use, but this utility model is mainly used in carrying out artificial malfunction elimination when vehicle breaks down, automatically cannot detect that vehicle somewhere bonding dots breaks down, be not easy to maintenance personal and search vehicle bonding dots and whether have problems.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of automobile bond point detection device and method, whether this automobile bond point detection device and method are used for an automatic detection vehicle somewhere bonding dots normal, and convenient and swift, work efficiency is high.
Object of the present invention realizes by following technical proposal: a kind of automobile bond point detection device, it is characterized in that, described automobile bond point detection device comprises bonding dots check processing circuit, the bonding dots information collector be connected with described bonding dots check processing circuit and the network communication module be connected with described bonding dots information collector, and described bonding dots check processing circuit is used for voltage signal that real-time reception exports from electrical equipment topworks bottom line output terminal and the voltage signal of this reception and the reference voltage signal pre-entered is compared; Described bonding dots information collector is for receiving the comparative result of described bonding dots check processing circuit conveying and storing, judge whether automobile somewhere bonding dots exists fault and the result of judgement is flowed to described network communication module, sends to instrument to show by described network communication module according to comparative result.
This automobile bond point detection device, this voltage signal and the reference voltage signal that pre-enters also are compared by the voltage exported from electrical equipment topworks ground line output terminal by bonding dots check processing circuit Real-Time Monitoring, corresponding controlling value is exported to bonding dots information collector according to comparing difference, the controlling value received then is carried out storing and is carried out judging whether bonding dots exists fault herein by bonding dots information collector, sends to instrument to show or diagnostic equipment when judging that bonding dots exists fault herein by network communication module.When vehicle breaks down, whether maintenance personal can find vehicle bonding dots quickly and easily and have problems, and improves work efficiency.
In above-mentioned automobile bond point detection device, described bonding dots check processing circuit comprises several voltage comparators, the electrode input end of described voltage comparator is connected with electrical equipment topworks ground line output terminal, the negative input of described voltage comparator is for receiving reference voltage signal, and the output terminal of described each voltage comparator connects with the corresponding input interface of described bonding dots information collector.
In above-mentioned automobile bond point detection device, described bonding dots check processing circuit comprises controller, several voltage collection circuits and several A/D change-over circuits, the input end of described voltage collection circuit is connected with the ground line output terminal of electrical equipment topworks, the output terminal of described voltage collection circuit is connected with described controller by A/D change-over circuit, the output terminal of described controller sets up corresponding connection with the input end of bonding dots information collector, the voltage signal that described controller is used for each voltage collection circuit to gather compares with the corresponding setting value preset in controller and this comparative result is flowed to described bonding dots information collector after the conversion of A/D change-over circuit.
In above-mentioned automobile bond point detection device, described voltage collection circuit comprises divider resistance and operational amplifier, one end of described divider resistance is connected with the ground line output terminal of electrical equipment topworks, the other end of described divider resistance is connected with the positive pole of operational amplifier, the output termination A/D change-over circuit of described operational amplifier.
In above-mentioned automobile bond point detection device, on the input end of described bonding dots information collector and car load, bonding dots is set up and is mapped, and judges according to the comparative result carried by bonding dots check processing circuit that the input end of bonding dots information collector receives the bonding dots that there is fault.Bonding dots on the input end of bonding dots information collector and car load is set up and maps one by one, the signal being convenient to receive according to input port judges which the place's bonding dots on car load exists fault, because the bonding dots on automobile has a lot, if there is fault, can so that investigation.
A kind of automobile bond point detecting method, it is characterized in that, described automobile bond point detecting method comprises the steps:
Step one, measure the voltage drop of bonding dots: after automobile starting, the voltage signal in real time each electrical equipment topworks ground line output terminal in automobile exported to the reference voltage signal of electrical equipment topworks should compare thus measure the voltage drop of bonding dots and export corresponding comparison signal;
Step 2, judge whether bonding dots exists fault: carried out respectively storing by the comparison signal drawn in step one and judge whether bonding dots exists fault according to comparison signal;
The failure condition of step 3, display bonding dots: the judged result drawn in step 2 is flowed to instrument by network communication module and shows.
In above-mentioned automobile bond point detecting method, in described step one, the voltage drop of bonding dots is measured by voltage comparator, in automobile, the ground line output terminal correspondence of each electrical equipment topworks connects the electrode input end of a voltage comparator, the negative input of voltage comparator inputs corresponding reference voltage signal, voltage comparator compares the electrical equipment topworks ground voltage signal that exports of line output terminal and reference voltage signal, when voltage signal equals reference voltage signal, the comparison signal of voltage comparator output low level; When voltage signal is greater than reference voltage signal, voltage comparator exports the comparison signal of high level.
In above-mentioned automobile bond point detecting method, in described step one, the corresponding voltage collection circuit of each electrical equipment topworks in car load, gather the voltage signal of electrical equipment topworks ground line output terminal by voltage collection circuit and flow to after A/D change-over circuit processes and flow to controller, magnitude of voltage after the process of A/D change-over circuit carries out processing and compares with the setting value corresponding to this electrical equipment topworks of place in controller by controller respectively, exports the comparison signal of high level when the magnitude of voltage collected is greater than setting value; The comparison signal of output low level when the magnitude of voltage collected equals setting value.
In above-mentioned automobile bond point detecting method, in described step 2, judge whether bonding dots exists fault by bonding dots information collector, first bonding dots on car load and bonding dots information collector input port are set up before judgement and map, bonding dots information collector receives the comparison signal of each voltage comparator or controller conveying and stores, and judges that the bonding dots corresponding with this bonding dots information collector input port exists fault when the comparison signal that bonding dots information collector receives is high level; Judge that when the comparative result that bonding dots information collector receives is low level signal the bonding dots corresponding with this bonding dots information collector input port is normal.
Compared with prior art, whether this automobile bond point detection device and method can exist fault by an automatic detection vehicle somewhere bonding dots, and send to instrument to carry out showing by network communication module testing result or diagnostic equipment is diagnosed, when vehicle breaks down, whether maintenance personal can find out vehicle bonding dots quickly and easily and have problems, and improves work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of this automobile bond point detection device embodiment one.
Fig. 2 is the structural representation of this automobile bond point detection device embodiment two.
In figure, 1, bonding dots check processing circuit; 2, bonding dots information collector; 3, network communication module; 4, voltage comparator; 5, voltage collection circuit; 6, A/D change-over circuit; 7, controller.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
The embodiment one of this automobile bond point detection device:
As shown in Figure 1, the network communication module 3 that this automobile bond point detection device comprises bonding dots check processing circuit 1, the bonding dots information collector 2 be connected with bonding dots check processing circuit 1 and is connected with bonding dots information collector 2, the voltage signal of this reception and the reference voltage signal pre-entered also compare by the voltage signal that bonding dots check processing circuit 1 exports from electrical equipment topworks bottom line output terminal for real-time reception; Bonding dots information collector 2 is for receiving the comparative result of described bonding dots check processing circuit 1 conveying and storing, judge whether automobile somewhere bonding dots exists fault and the result of judgement is flowed to described network communication module 3, sends to instrument to show by described network communication module 3 according to comparative result.
Specifically, bonding dots check processing circuit 1 comprises several voltage comparators 4, the electrode input end of voltage comparator 4 is connected with electrical equipment topworks ground line output terminal, the negative input of described voltage comparator 4 is for receiving reference voltage signal, and the output terminal of described each voltage comparator 4 connects with the corresponding input interface of described bonding dots information collector 2.
Preferably, on the input end of bonding dots information collector 2 and car load, bonding dots is set up and is mapped, and judges which bonding dots exists fault according to the comparative result carried by bonding dots check processing circuit 1 that the input end of bonding dots information collector 2 receives.Bonding dots on each input port of bonding dots information collector 2 and car load is set up mapping relations one by one, the signal being convenient to receive according to input port judges which the place's bonding dots on car load exists fault, because the bonding dots on automobile has a lot, if there is fault, can so that investigation.
Preferably, bonding dots information collector 2 is controller 7.
The specific works principle of this automobile bond point detection device is as follows:
First bonding dots on the input end of bonding dots information collector 2 and car load is set up and map, in this automobile bond point detection device, the electrode input end of each voltage comparator 4 is connected with the electrical equipment topworks ground line output terminal of on car load, V1 ... Vn represents the electromotive force on the ground wire of 1 to electrical equipment topworks of electrical equipment topworks n, voltage comparator 4 gathers this signal from electrical equipment topworks ground line output terminal, and its collection point is away from bonding dots.Vi1 ... Vin is reference voltage signal input, considers reliability, generally adopts battery terminal negative.If the input of voltage comparator 4 electrode input end is the voltage signal of V1, so the negative input of this voltage comparator 4 then inputs the reference voltage signal of Vi1, the voltage of voltage comparator 4 Real-Time Monitoring Vn and Vin, under normal circumstances, Vn=Vin, after being processed by voltage comparator 4, the output terminal of voltage comparator 4 exports the low level signal of Von=" 0 " to bonding dots information collector 2, if somewhere bonding dots loose contact, cause Vn>Vin, after being processed by voltage comparator 4, voltage comparator 4 output terminal exports the high level signal of Von=" 1 " to bonding dots information collector 2, the signal that each voltage comparator 4 output terminal exports collected by bonding dots information collector 2, because bonding dots and bonding dots information collector 2 input end are set up and are mapped on car load, therefore just can judge that somewhere bonding dots exists fault, the information conveyance this judged is on network communication module 3, other modules can read relevant information from network communication module 3 and do further process, such as instrument reads somewhere bonding dots and breaks down, prompting driver needs repairing, also can read vehicle bonding dots by the mode of diagnosis and whether there is fault.Whether can there is fault by an automatic detection vehicle somewhere bonding dots by this automobile bond point detection device, and send to instrument to show or diagnostic equipment by network communication module 3 testing result.When vehicle breaks down, whether maintenance personal can find vehicle bonding dots quickly and easily and have problems, and improves work efficiency.
The embodiment two of this automobile bond point detection device:
As shown in Figure 2, embodiment two is substantially identical with embodiment one, difference is, bonding dots check processing circuit 1 comprises controller 7, several voltage collection circuit 5 and several A/D change-over circuits 6, the input end of voltage collection circuit 5 is connected with the ground line output terminal of electrical equipment topworks, the output terminal of voltage collection circuit 5 is connected with described controller 7 by A/D change-over circuit 6, the output terminal of controller 7 sets up corresponding connection with the input end of bonding dots information collector 2, controller 7 compares with the corresponding setting value preset in controller 7 for the voltage signal gathered by each voltage collection circuit 5 and this comparative result is flowed to described bonding dots information collector 2 after the conversion of A/D change-over circuit.
Voltage collection circuit 5 comprises divider resistance and operational amplifier, and one end of divider resistance is connected with the ground line output terminal of electrical equipment topworks, and the other end of divider resistance is connected with the positive pole of operational amplifier, the output termination A/D change-over circuit 6 of operational amplifier.
The specific works principle of this automobile bond point detection device is as follows:
First bonding dots on each input port of bonding dots information collector 2 and car load is set up and map, each bonding dots on car load is corresponding respectively arranges one for detecting the voltage collection circuit 5 of this place's bonding dots voltage, its voltage collection circuit 5 gathers this voltage signal from electrical equipment topworks ground line output terminal, V1 ... Vn represents the electromotive force on the ground wire of 1 to electrical equipment topworks of electrical equipment topworks n, the voltage signal of collection is flowed to A/D change-over circuit 6 by each voltage collection circuit 5, controller 7 is flowed to after A/D change-over circuit 6 processes, the voltage signal of input port difference alignment processing voltage collection circuit 5 conveying of controller 7, on the input port of its controller 7 and car load, bonding dots sets up one-to-one relationship, the voltage signal that controller 7 receives according to this input port extracts the reference voltage level Vin of this bonding dots prestored in controller 7 and compares, the magnitude of voltage Vn=Vin collected, represent that this place's bonding dots is under normal circumstances, controller 7 output port output low level signal, the magnitude of voltage Vn>Vin collected, represent somewhere bonding dots loose contact, controller 7 output port exports high level signal, each output port of controller 7 and bonding dots information collector 2 correspondingly input port connect, the signal of each output port of bonding dots information collector 2 collection controller 7 conveying, judge it is that somewhere bonding dots exists fault according to the signal that input port receives, and be transported on network communication module 3 by the judged result of each bonding dots, other modules can read relevant information from network communication module 3 and do further process, such as instrument reads somewhere bonding dots and breaks down, prompting driver needs repairing, also can read vehicle bonding dots by the mode of diagnosis and whether there is fault.Whether can there is fault by an automatic detection vehicle somewhere bonding dots by this automobile bond point detection device, and send to instrument to show or diagnostic equipment by network communication module 3 testing result.When vehicle breaks down, whether maintenance personal can find vehicle bonding dots quickly and easily and have problems, and improves work efficiency.
The embodiment one of this automobile bond point detecting method:
This automobile bond point detecting method comprises the steps:
Step one, measure the voltage drop of bonding dots: after automobile starting, the voltage signal in real time each electrical equipment topworks ground line output terminal in automobile exported to the reference voltage signal of electrical equipment topworks should compare thus measure the voltage drop of bonding dots and export corresponding comparison signal; Concrete, measure the voltage drop of bonding dots by voltage comparator 4 and compare, in automobile, the ground line output terminal correspondence of each electrical equipment topworks connects the electrode input end of a voltage comparator 4, the negative input of voltage comparator 4 inputs corresponding reference voltage signal, the voltage signal that voltage comparator 4 pairs of electrical equipment topworks ground line output terminals export and reference voltage signal compare, when voltage signal equals reference voltage signal, the comparison signal of voltage comparator 4 output low level; When voltage signal is greater than reference voltage signal, voltage comparator 4 exports the comparison signal of high level.
Step 2, judge whether bonding dots exists fault: carried out respectively storing by the comparison signal drawn in step one and judge whether bonding dots exists fault according to comparison signal; In this step, mainly judge whether bonding dots exists fault by bonding dots information collector 2, first bonding dots on car load and bonding dots information collector 2 input port are set up before judgement and map, bonding dots information collector 2 receives the comparison signal of each voltage comparator 4 or controller 7 conveying and stores, and judges that the bonding dots corresponding with this bonding dots information collector 2 input port exists fault when the comparison signal that bonding dots information collector 2 receives is high level; Judge that when the comparative result that bonding dots information collector 2 receives is low level signal the bonding dots corresponding with this bonding dots information collector 2 input port is normal.
The failure condition of step 3, display bonding dots: be transported on network communication module 3 to the judged result of each bonding dots by what draw in step 2, other modules can read relevant information from network communication module 3 and do further process, such as instrument reads somewhere bonding dots and breaks down, prompting driver needs repairing, and also can read vehicle bonding dots by the mode of diagnosis and whether there is fault.
The embodiment two of this automobile bond point detecting method:
This automobile bond point detecting method comprises the steps:
Step one, measure the voltage drop of bonding dots: after automobile starting, the voltage signal in real time each electrical equipment topworks ground line output terminal in automobile exported to the reference voltage signal of electrical equipment topworks should compare thus measure the voltage drop of bonding dots and export corresponding comparison signal; Concrete, the corresponding voltage collection circuit 5 of each electrical equipment topworks in car load, gather the voltage signal of electrical equipment topworks ground line output terminal by voltage collection circuit 5 and flow to after A/D change-over circuit 6 processes and flow to controller 7, magnitude of voltage after processing through A/D change-over circuit 6 carries out processing and compares with the reference voltage level corresponding to this electrical equipment topworks of place in controller 7 by controller 7 respectively, exports the comparison signal of high level when the magnitude of voltage collected is greater than reference voltage level; The comparison signal of output low level when the magnitude of voltage collected equals reference voltage level.
Step 2, judge whether bonding dots exists fault: carried out respectively storing by the comparison signal drawn in step one and judge whether bonding dots exists fault according to comparison signal; In this step, mainly judge whether bonding dots exists fault by bonding dots information collector 2, first bonding dots on car load and bonding dots information collector 2 input port are set up before judgement and map, bonding dots information collector 2 receives the comparison signal of each voltage comparator 4 or controller 7 conveying and stores, and judges that the bonding dots corresponding with this bonding dots information collector 2 input port exists fault when the comparison signal that bonding dots information collector 2 receives is high level; Judge that when the comparative result that bonding dots information collector 2 receives is low level signal the bonding dots corresponding with this bonding dots information collector 2 input port is normal.
Step 3, be transported on network communication module 3 by what draw in step 2 to the judged result of each bonding dots, other modules can read relevant information from network communication module 3 and do further process, such as instrument reads somewhere bonding dots and breaks down, prompting driver needs repairing, and also can read vehicle bonding dots by the mode of diagnosis and whether there is fault.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as bonding dots check processing circuit 1, bonding dots information collector 2, network communication module 3, voltage comparator 4, voltage collection circuit 5, A/D change-over circuit 6, controller 7 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (9)
1. an automobile bond point detection device, it is characterized in that, the network communication module (3) that described automobile bond point detection device comprises bonding dots check processing circuit (1), the bonding dots information collector (2) be connected with described bonding dots check processing circuit (1) and is connected with described bonding dots information collector (2), the voltage signal of this reception and the reference voltage signal pre-entered also compare by the voltage signal that described bonding dots check processing circuit (1) exports from electrical equipment topworks bottom line output terminal for real-time reception; Described bonding dots information collector (2) is for the comparative result that receives described bonding dots check processing circuit (1) and carry and store, judge whether automobile somewhere bonding dots exists fault and the result of judgement is flowed to described network communication module (3), sends to instrument to show by described network communication module (3) according to comparative result.
2. automobile bond point detection device according to claim 1, it is characterized in that, described bonding dots check processing circuit (1) comprises several voltage comparators (4), the electrode input end of described voltage comparator (4) is connected with electrical equipment topworks ground line output terminal, the negative input of described voltage comparator (4) is for receiving reference voltage signal, and the output terminal of described each voltage comparator (4) connects with the corresponding input interface of described bonding dots information collector (2).
3. automobile bond point detection device according to claim 1, it is characterized in that, described bonding dots check processing circuit (1) comprises controller (7), several voltage collection circuits (5) and several A/D change-over circuits (6), the input end of described voltage collection circuit (5) is connected with the ground line output terminal of electrical equipment topworks, the output terminal of described voltage collection circuit (5) is connected with described controller (7) by A/D change-over circuit (6), the output terminal of described controller (7) sets up corresponding connection with the input end of bonding dots information collector (2), described controller (7) compares with the corresponding setting value preset in controller (7) for the voltage signal gathered by each voltage collection circuit (5) and this comparative result is flowed to described bonding dots information collector (2) after the conversion of A/D change-over circuit.
4. automobile bond point detection device according to claim 3, it is characterized in that, described voltage collection circuit (5) comprises divider resistance and operational amplifier, one end of described divider resistance is connected with the ground line output terminal of electrical equipment topworks, the other end of described divider resistance is connected with the positive pole of operational amplifier, the output termination A/D change-over circuit (6) of described operational amplifier.
5. automobile bond point detection device according to claim 1, it is characterized in that, on the input end of described bonding dots information collector (2) and car load, bonding dots is set up and is mapped, and the comparative result carried by bonding dots check processing circuit (1) received according to the input end of bonding dots information collector (2) judges to exist the bonding dots of fault.
6. an automobile bond point detecting method, is characterized in that, described automobile bond point detecting method comprises the steps:
Step one, measure the voltage drop of bonding dots: after automobile starting, the voltage signal in real time each electrical equipment topworks ground line output terminal in automobile exported to the reference voltage signal of electrical equipment topworks should compare thus measure the voltage drop of bonding dots and export corresponding comparison signal;
Step 2, judge whether bonding dots exists fault: carried out respectively storing by the comparison signal drawn in step one and judge whether bonding dots exists fault according to comparison signal;
The failure condition of step 3, display bonding dots: the judged result drawn in step 2 is flowed to instrument by network communication module (3) and shows.
7. automobile bond point detecting method according to claim 6, it is characterized in that, in described step one, the voltage drop of bonding dots is measured by voltage comparator (4), in automobile, the ground line output terminal correspondence of each electrical equipment topworks connects the electrode input end of a voltage comparator (4), the negative input of voltage comparator (4) inputs corresponding reference voltage signal, voltage comparator (4) compares the electrical equipment topworks ground voltage signal that exports of line output terminal and reference voltage signal, when voltage signal equals reference voltage signal, the comparison signal of voltage comparator (4) output low level, when voltage signal is greater than reference voltage signal, voltage comparator (4) exports the comparison signal of high level.
8. automobile bond point detecting method according to claim 6, it is characterized in that, in described step one, the corresponding voltage collection circuit (5) of each electrical equipment topworks in car load, gather the voltage signal of electrical equipment topworks ground line output terminal by voltage collection circuit (5) and flow to after A/D change-over circuit (6) processes and flow to controller (7), magnitude of voltage after A/D change-over circuit (6) process carries out processing and compares with the setting value corresponding to this electrical equipment topworks of place in controller (7) by controller (7) respectively, the comparison signal of high level is exported when the magnitude of voltage collected is greater than setting value, the comparison signal of output low level when the magnitude of voltage collected equals setting value.
9. the automobile bond point detecting method according to claim 7 or 8, it is characterized in that, in described step 2, judge whether bonding dots exists fault by bonding dots information collector (2), first bonding dots on car load and bonding dots information collector (2) input port are set up before judgement and map, bonding dots information collector (2) receives comparison signal that each voltage comparator (4) or controller (7) carry and stores, judge that when the comparison signal that bonding dots information collector (2) receives is high level the bonding dots corresponding with this bonding dots information collector (2) input port exists fault, judge that when the comparative result that bonding dots information collector (2) receives is low level signal the bonding dots corresponding with this bonding dots information collector (2) input port is normal.
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| CN201410519608.5A CN104237702A (en) | 2014-09-30 | 2014-09-30 | Automobile bonding point detecting device and automobile bonding point detecting method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167691A (en) * | 2017-05-22 | 2017-09-15 | 奇瑞汽车股份有限公司 | A kind of automobile Analysis of Grounding test system and its method of testing |
| WO2019042388A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | A method of measuring an amount of motor bonding |
| CN113341779A (en) * | 2020-03-02 | 2021-09-03 | 纬湃科技投资(中国)有限公司 | Light-mixed whole vehicle system and ground deviation detection device thereof |
| CN113913900A (en) * | 2021-11-01 | 2022-01-11 | 东风本田汽车有限公司 | Method for detecting real-time voltage of automobile body in electrophoresis tank |
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2014
- 2014-09-30 CN CN201410519608.5A patent/CN104237702A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167691A (en) * | 2017-05-22 | 2017-09-15 | 奇瑞汽车股份有限公司 | A kind of automobile Analysis of Grounding test system and its method of testing |
| WO2019042388A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | A method of measuring an amount of motor bonding |
| US11047913B2 (en) * | 2017-08-31 | 2021-06-29 | Dongfeng Dana Axle Co., Ltd. | Method of measuring an amount of motor bonding |
| CN113341779A (en) * | 2020-03-02 | 2021-09-03 | 纬湃科技投资(中国)有限公司 | Light-mixed whole vehicle system and ground deviation detection device thereof |
| CN113913900A (en) * | 2021-11-01 | 2022-01-11 | 东风本田汽车有限公司 | Method for detecting real-time voltage of automobile body in electrophoresis tank |
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Application publication date: 20141224 |
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| RJ01 | Rejection of invention patent application after publication |