CN106918781B - Portable detection circuit device and detection method - Google Patents
Portable detection circuit device and detection method Download PDFInfo
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- CN106918781B CN106918781B CN201710271316.8A CN201710271316A CN106918781B CN 106918781 B CN106918781 B CN 106918781B CN 201710271316 A CN201710271316 A CN 201710271316A CN 106918781 B CN106918781 B CN 106918781B
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- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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Abstract
The invention relates to a portable detection circuit device and a detection method, which are used for detecting whether a vehicle electric four-wheel drive switch is normal or not, wherein the electric four-wheel drive switch comprises a backlight module and a working mode control module, one end of the backlight module is connected with a first pin, the other end of the backlight module is connected with a second pin, the working mode control module comprises a control switch, the immovable end of the control switch is connected with a sixth pin, and the movable end of the control switch can be connected with a fourth pin, a tenth pin, a seventh pin or an eighth pin; the method comprises the following steps: the indication module comprises four sub-indication modules which are respectively used for being connected with the fourth pin, the tenth pin, the seventh pin or the eighth pin, and each sub-indication module can form a closed loop with a power supply, the sixth pin and the corresponding pin when the corresponding pin is connected with the movable end of the control switch; the resistance detection module comprises a test resistor, and the test resistor can form a closed loop with the second pin, the backlight module, the first pin and a power supply.
Description
Technical Field
The invention relates to the technical field of circuit detection, in particular to a portable detection circuit device and a detection method.
Background
The electric control four-wheel drive controller is an important part of the off-road vehicle, the vehicle using experience of a user is directly influenced on a severe road surface, and when a vehicle four-wheel drive system has a problem, the problem of switching needs to be quickly solved, and the process is very complex.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a portable detection circuit device and a detection method thereof, which can rapidly detect whether an electric four-wheel-drive switch is normal.
In order to achieve the purpose, the invention adopts the technical scheme that: a portable detection circuit device is used for detecting whether an electric four-wheel drive switch of a vehicle is normal or not, the electric four-wheel drive switch comprises a backlight module and a working mode control module, one end of the backlight module is connected with a first pin, the other end of the backlight module is connected with a second pin, the working mode control module comprises a control switch, the immovable end of the control switch is connected with a sixth pin, and the movable end of the control switch can be connected with a fourth pin, a tenth pin, a seventh pin or an eighth pin; wherein, when the movable end of the control switch is connected with the fourth pin, the control switch is in a first working mode, when the movable end of the control switch is connected with the tenth pin, the control switch is in a second working mode, when the movable end of the control switch is connected with the seventh pin, the control switch is in a third working mode, when the movable end of the control switch is connected with the eighth pin, the control switch is in a fourth working mode,
the method comprises the following steps:
the indication module comprises four sub-indication modules which are respectively used for being connected with a fourth pin, a tenth pin, a seventh pin or an eighth pin, and each sub-indication module can form a closed loop with a power supply, the sixth pin and the corresponding pin when the corresponding pin is connected with the movable end of the control switch;
the resistance detection module comprises a test resistor, and the test resistor can form a closed loop with the second pin, the backlight module, the first pin and a power supply.
Furthermore, the power supply module comprises a first pole and a second pole, wherein the first pole can be connected with the electric four-wheel drive switch, the second pole can be connected with the indicating module and the resistance detecting module, the first pole is connected with a first pin and a sixth pin, and the second pole is respectively connected with the plurality of sub indicating modules and one end of the resistance detecting module.
Furthermore, each sub-indicating module comprises an indicating lamp, one end of each indicating lamp is connected with the second pole of the power supply module, and the other end of each indicating lamp is used for being connected with the corresponding pin.
Further, the resistance detection module comprises a test resistance arranged in parallel with the indicator light, a current detection device for measuring the current of the test resistance, and a display for displaying the comparison result of the test value and the standard value of the test resistance.
The invention also provides a detection method for detecting whether the electric four-wheel-drive switch of the vehicle is normal by adopting the portable detection circuit device, which is characterized by comprising the following steps:
connecting the portable detection circuit device with an electric four-wheel drive switch;
the electric four-wheel drive switch is adjusted to any working mode through a control switch of the electric four-wheel drive switch;
measuring the current of the test resistor through a current detection device, and obtaining a test value of the test resistor according to the current;
and comparing the test value with a standard value, and acquiring and displaying a comparison result.
Further, adjusting the electric four-wheel-drive switch to any one of the operation modes by the control switch of the electric four-wheel-drive switch comprises:
the fixed end of the control switch is connected with the sixth pin, the movable end of the control switch is connected with the fourth pin, and the electric four-wheel drive switch is in a first working mode; alternatively, the first and second electrodes may be,
the fixed end of the control switch is connected with the sixth pin, and when the movable end of the control switch is connected with the tenth pin, the electric four-wheel drive switch is in a second working mode; alternatively, the first and second electrodes may be,
the fixed end of the control switch is connected with the sixth pin, and the movable end of the control switch is in a third working mode when connected with the seventh pin; alternatively, the first and second electrodes may be,
and when the immovable end of the control switch is connected with the eighth pin, the electric four-wheel drive switch is in a fourth working mode.
The invention has the beneficial effects that: whether detection electronic four-wheel drive switch is normal can be quick.
Drawings
FIG. 1 is a schematic diagram of a connection circuit between a detection circuit device and an electric four-wheel-drive switch according to an embodiment of the invention;
fig. 2 is a schematic diagram illustrating the detection principle in the embodiment of the present invention.
Detailed Description
The features and principles of the present invention are described in detail below with reference to the accompanying drawings, which illustrate embodiments of the invention and do not limit the scope of the invention.
As shown in fig. 1, the present embodiment provides a portable detection circuit device 10, configured to detect whether a vehicle electric four-wheel drive switch 20 is normal, where the electric four-wheel drive switch includes a backlight module 203 and an operating mode control module, one end of the backlight module 203 is connected to a first pin, the other end of the backlight module 203 is connected to a second pin, the operating mode control module includes a control switch, a fixed end of the control switch is connected to a sixth pin, and a moving end of the control switch can be connected to a fourth pin, a tenth pin, a seventh pin, or an eighth pin; wherein, when the movable end of the control switch is connected with the fourth pin, the control switch is in a first working mode, when the movable end of the control switch is connected with the tenth pin, the control switch is in a second working mode, when the movable end of the control switch is connected with the seventh pin, the control switch is in a third working mode, when the movable end of the control switch is connected with the eighth pin, the control switch is in a fourth working mode,
the method comprises the following steps:
the indication module comprises four sub-indication modules which are respectively used for being connected with a fourth pin, a tenth pin, a seventh pin or an eighth pin, and each sub-indication module can form a closed loop with a power supply, the sixth pin and the corresponding pin when the corresponding pin is connected with the movable end of the control switch;
the resistance detection module comprises a test resistor, and the test resistor can form a closed loop with the second pin, the backlight module 203, the first pin and a power supply.
Whether the corresponding function of measurement electronic four-wheel drive switch 20 that can be quick is normal through the detection of the instruction cooperation resistance detection module of instruction module, has avoided unnecessary failure analysis, and the diagnosis to circuit system in new motorcycle type development earlier stage is useful greatly. The detection circuit device of the embodiment has the advantages of convenience in carrying, low cost, easiness in development and the like.
In this embodiment, the detection circuit device 10 further includes a power module, which includes a first pole capable of being connected to the electric four-wheel drive switch and a second pole connected to the indication module and the resistance detection module, when the detection circuit device is connected to the electric four-wheel drive switch, the first pole of the power module is connected to the first pin and the sixth pin, and the second pole is respectively connected to the plurality of sub-indication modules and one end of the resistance detection module.
The detection circuit device is provided with a power supply, and does not need to be additionally plugged with a power supply, so that the use is convenient.
In this embodiment, each sub-indication module includes an indication lamp, one end of each indication lamp is connected to the second pole of the power module, and the other end of each indication lamp is used to connect to a corresponding pin.
The indicating module can also comprise a sound indicating structure and the like as long as the function of indicating is achieved.
Further, the resistance detection module comprises a test resistance arranged in parallel with the indicator light, a current detection device for measuring the current of the test resistance, and a display for displaying the comparison result of the test value and the standard value of the test resistance.
And if the corresponding function of the electric four-wheel drive switch is normal, the indicator light is on, otherwise, the indicator light is off. As shown in fig. 1, a control switch of the electric four-wheel drive switch (the control switch includes a first sub-control switch 201 and a second sub-control switch 202) has a moving end connected to an eighth pin (the moving end of the second sub-control switch 202 is connected to the eighth pin, the moving end of the first sub-control switch is suspended), the electric four-wheel drive switch is in a fourth operating mode, the indicator light LED1, the power supply, the sixth pin and the eighth pin form a closed loop, the test resistor Rx is connected in parallel to the indicator light LED1, the indicator light LED1 is on, and a comparison result between a test value of the test resistor Rx and a standard value meets a preset requirement, which indicates that the fourth operating mode of the electric four-wheel drive switch can normally operate, visually, and is simple, convenient and fast to operate.
The moving end of a control switch of the electric four-wheel drive switch is connected with a seventh pin (the moving end of a second sub-control switch 202 is connected with the seventh pin, the moving end of a first sub-control switch 201 is arranged in a suspension mode), the electric four-wheel drive switch is in a third working mode, an indicator light LED2, a power supply, a sixth pin and the seventh pin form a closed loop, a test resistor Rx is connected with an indicator light LED2 in parallel, the indicator light LED2 is on, and a comparison result of a test value of the test resistor Rx and a standard value meets a preset requirement, so that the third working mode of the electric four-wheel drive switch can work normally.
The movable end of the control switch of the electric four-wheel drive switch is connected with the tenth pin (the movable end of the first sub-control switch 201 is connected with the tenth pin, and the movable end of the second sub-control switch 202 is arranged in a suspended mode), the electric four-wheel drive switch is in the second working mode, the indicator light LED3, the power supply, the sixth pin and the tenth pin form a closed loop, the test resistor Rx is connected in parallel with the indicator light LED3, the indicator light LED3 is turned on, and the comparison result of the test value and the standard value of the test resistor Rx meets the preset requirement, so that the fourth working mode of the electric four-wheel drive switch can work normally.
The movable end of the control switch of the electric four-wheel drive switch is connected with the fourth pin (the movable end of the first sub-control switch 201 is connected with the fourth pin, and the movable end of the second sub-control switch 202 is arranged in a suspension manner), the electric four-wheel drive switch is in a first working mode, the indicator light LED4, the power supply, the sixth pin and the fourth pin form a closed loop, the test resistor Rx is connected with the indicator light LED4 in parallel, the indicator light LED4 is turned on, and the comparison result of the test value and the standard value of the test resistor Rx meets the preset requirement, so that the fourth working mode of the electric four-wheel drive switch can work normally.
The preset requirement may be that the test value of the test resistor Rx is the same as the standard value, or that the difference between the test value of the test resistor Rx and the standard value is within a preset range.
The principle of testing the resistance is shown in fig. 2, where Rx is the resistance to be tested, R1 is the total resistance of the power supply and other circuits (the resistance of the power supply and backlight module 203), R0 is the resistance of the current detection device, and the value Rx = E/I-R1-R0 of the resistance to be tested can be calculated by measuring the current I of the circuit and according to ohm's law (R0 + R1+ Rx) I = E.
And when the corresponding indicator light is on and the comparison result of the test value of the test resistor and the standard value meets the preset requirement, judging that the corresponding function of the electric four-wheel drive switch 20 is normal.
It should be noted that R0 is actually the internal resistance of the current detection device, and the current detection device in this embodiment adopts an ammeter, which can directly display the current value, and the secondary internal resistance is very small, and can be ignored according to actual needs in actual measurement. R1 is the total resistance of the power supply and other circuits and can be ignored according to actual needs. Thus, the test value Rx = E/I of the test resistance.
The invention also provides a detection method for detecting whether the electric four-wheel-drive switch of the vehicle is normal by adopting the portable detection circuit device, which is characterized by comprising the following steps:
connecting the portable detection circuit device with an electric four-wheel drive switch;
the electric four-wheel drive switch is adjusted to any working mode through a control switch of the electric four-wheel drive switch;
measuring the current of the test resistor through a current detection device, and obtaining a test value of the test resistor according to the current;
comparing the test value with a standard value, and acquiring and displaying a comparison result;
and the corresponding indication module displays normal and the comparison result meets the preset requirement, so that the corresponding function of the electric four-wheel drive switch is normal.
Further, adjusting the electric four-wheel-drive switch to any one of the operation modes by the control switch of the electric four-wheel-drive switch comprises:
the fixed end of the control switch is connected with the sixth pin, the movable end of the control switch is connected with the fourth pin, and the electric four-wheel drive switch is in a first working mode; alternatively, the first and second electrodes may be,
the fixed end of the control switch is connected with the sixth pin, and when the movable end of the control switch is connected with the tenth pin, the electric four-wheel drive switch is in a second working mode; alternatively, the first and second electrodes may be,
the fixed end of the control switch is connected with the sixth pin, and the movable end of the control switch is in a third working mode when connected with the seventh pin; alternatively, the first and second electrodes may be,
and the immobile end of the control switch is connected with the sixth pin, and when the immobile end of the control switch is connected with the eighth pin, the electric four-wheel drive switch is in a fourth working mode.
According to the steps, whether the functions of the first working mode, the second working mode, the third working mode and the fourth working mode of the electric four-wheel drive switch are normal or not can be tested one by one.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A portable detection circuit device is used for detecting whether an electric four-wheel drive switch of a vehicle is normal or not, the electric four-wheel drive switch comprises a backlight module and a working mode control module, one end of the backlight module is connected with a first pin, the other end of the backlight module is connected with a second pin, the working mode control module comprises a control switch, the immovable end of the control switch is connected with a sixth pin, and the movable end of the control switch can be connected with a fourth pin, a tenth pin, a seventh pin or an eighth pin; wherein, when the movable end of the control switch is connected with the fourth pin, the control switch is in a first working mode, when the movable end of the control switch is connected with the tenth pin, the control switch is in a second working mode, when the movable end of the control switch is connected with the seventh pin, the control switch is in a third working mode, when the movable end of the control switch is connected with the eighth pin, the control switch is in a fourth working mode,
it is characterized by comprising:
the indication module comprises four sub-indication modules which are respectively used for being connected with a fourth pin, a tenth pin, a seventh pin or an eighth pin, and each sub-indication module can form a closed loop with a power supply module, the sixth pin and the corresponding pin when the corresponding pin is connected with the movable end of the control switch;
the resistance detection module comprises a test resistor, and the test resistor can form a closed loop with the second pin, the backlight module, the first pin and the power supply module;
each sub-indicating module comprises an indicating lamp, one end of each indicating lamp is connected with the second pole of the power supply module, and the other end of each indicating lamp is used for being connected with the fourth pin, the tenth pin, the seventh pin and the eighth pin respectively;
the resistance detection module comprises a test resistance which is connected with the indicator lamp in parallel, a current detection device for measuring the current of the test resistance, and a display for displaying the comparison result of the test value and the standard value of the test resistance;
the power module comprises a first pole and a second pole, the first pole can be connected with the electric four-wheel drive switch, the second pole can be connected with the indicating module and the resistance detecting module, the first pole is connected with a first pin and a sixth pin, and the second pole is respectively connected with one end of the sub indicating module and one end of the resistance detecting module.
2. A method for detecting whether a vehicle electric four-wheel-drive switch is normal by using the portable detection circuit device of claim 1, comprising:
connecting the portable detection circuit device with an electric four-wheel drive switch;
the electric four-wheel drive switch is adjusted to any working mode through a control switch of the electric four-wheel drive switch;
measuring the current of the test resistor through a current detection device, and obtaining a test value of the test resistor according to the current;
and comparing the test value with a standard value, and acquiring and displaying a comparison result.
3. The detection method according to claim 2, wherein adjusting the electric four-wheel-drive switch to any one of the operation modes by the control switch of the electric four-wheel-drive switch comprises:
the fixed end of the control switch is connected with the sixth pin, the movable end of the control switch is connected with the fourth pin, and the electric four-wheel drive switch is in a first working mode; alternatively, the first and second electrodes may be,
the fixed end of the control switch is connected with the sixth pin, and when the movable end of the control switch is connected with the tenth pin, the electric four-wheel drive switch is in a second working mode; alternatively, the first and second electrodes may be,
the fixed end of the control switch is connected with the sixth pin, and the movable end of the control switch is in a third working mode when connected with the seventh pin; alternatively, the first and second electrodes may be,
and the immobile end of the control switch is connected with the sixth pin, and when the immobile end of the control switch is connected with the eighth pin, the electric four-wheel drive switch is in a fourth working mode.
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| CN201710271316.8A CN106918781B (en) | 2017-04-24 | 2017-04-24 | Portable detection circuit device and detection method |
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| CN201710271316.8A CN106918781B (en) | 2017-04-24 | 2017-04-24 | Portable detection circuit device and detection method |
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| CN200976037Y (en) * | 2006-10-23 | 2007-11-14 | 比亚迪股份有限公司 | Assembled switch testing device |
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| CN203117335U (en) * | 2013-03-25 | 2013-08-07 | 南京淳泰控制设备有限公司 | Conductive slip ring running-in test device |
| CN105301488A (en) * | 2015-11-03 | 2016-02-03 | 国家电网公司 | Switch contact characteristic measurement testing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4516076A (en) * | 1982-09-17 | 1985-05-07 | The Singer Company | Fault detection arrangement for relay switching system |
| US7582989B2 (en) * | 2006-09-29 | 2009-09-01 | Fisher-Rosemount Systems, Inc. | Safety relay having independently testable contacts |
| CN105093097A (en) * | 2014-05-19 | 2015-11-25 | 湖北恒胜金品汽车零部件有限公司 | Portable automobile combination switch detector |
| CN105277872B (en) * | 2014-07-25 | 2019-09-24 | 伊顿电力设备有限公司 | The electrical connection of switchgear main circuit abnormal detection method and device |
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2017
- 2017-04-24 CN CN201710271316.8A patent/CN106918781B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200976037Y (en) * | 2006-10-23 | 2007-11-14 | 比亚迪股份有限公司 | Assembled switch testing device |
| CN102520349A (en) * | 2011-12-29 | 2012-06-27 | 苏州大学 | Automatic test system for performance of multi-position switch and test method for same |
| CN203117335U (en) * | 2013-03-25 | 2013-08-07 | 南京淳泰控制设备有限公司 | Conductive slip ring running-in test device |
| CN105301488A (en) * | 2015-11-03 | 2016-02-03 | 国家电网公司 | Switch contact characteristic measurement testing device |
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Effective date of registration: 20200415 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Patentee after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Patentee before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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