CN212872508U - Wheel speed sensor test equipment - Google Patents
Wheel speed sensor test equipment Download PDFInfo
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- CN212872508U CN212872508U CN202021759250.0U CN202021759250U CN212872508U CN 212872508 U CN212872508 U CN 212872508U CN 202021759250 U CN202021759250 U CN 202021759250U CN 212872508 U CN212872508 U CN 212872508U
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Abstract
The utility model provides a fast sensor test equipment of wheel, relates to the fast sensor detection technology field of wheel, and it can effectively solve the unable accurate technical problem who judges like disconnected product of the fast sensor resistance test equipment of current tradition. Wheel speed sensor test equipment, include: the resistance value tester is used for being connected with a wire clamping groove part of the wheel speed sensor; the computer host is connected with the resistance tester and is provided with a control module, an NI data acquisition board card and a display screen which are connected in sequence; the control module is used for monitoring the whole testing process, the NI data acquisition board card has two testing functions of resistance characteristic and volt-ampere characteristic, the NI data acquisition board card is provided with a testing data conversion unit and is used for converting the testing process and results into numerical values to be reflected, and the display screen is used for displaying the testing process and the results. The wheel speed sensor testing equipment is mainly applied to good product detection of the wheel speed sensor.
Description
Technical Field
The utility model relates to a fast sensor detection technical field of wheel particularly, relates to a fast sensor test equipment of wheel.
Background
The wheel speed sensor is used for measuring the rotating speed of the automobile wheel; commonly used wheel speed sensors are mainly: magnetoelectric wheel speed sensor, hall formula wheel speed sensor.
In the actual production process, the head of the wheel speed sensor is easy to have the situation of overvoltage of the wire clamping groove during injection molding, which may cause the breakage of a copper wire in a wire harness, and the broken and unbroken defective product cannot be identified by the traditional test method.
Specifically, because the copper wire is disconnected but still can be conducted, therefore when using traditional resistance test equipment, can demonstrate normal resistance equally to traditional resistance test equipment is when testing the wheel speed sensor, and to the product that looks disconnected or disconnected probably differentiates normal product and flow into market to those, and then leads to the actual defective rate of product in the market higher, has the potential safety hazard.
Therefore, how to provide a wheel speed sensor testing device capable of detecting the condition that the wire harness of the wheel speed sensor is broken or not is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fast sensor test equipment of wheel, it can effectively solve the unable accurate technical problem who judges like disconnected product of the current fast sensor resistance test equipment of traditional wheel.
The utility model discloses a realize like this:
a wheel speed sensor testing apparatus, comprising: the resistance tester is used for being connected with a wire clamping groove part of the wheel speed sensor;
the computer host is connected with the resistance tester and is provided with a control module, an NI data acquisition board card and a display screen which are sequentially connected; the NI data acquisition board card has two test functions of resistance characteristic and volt-ampere characteristic, is provided with a test data conversion unit and is used for converting the test process and the test result into numerical values to be reflected, and the display screen is used for displaying the test process and the test result.
In the preferred wheel speed sensor testing apparatus of the present invention, the NI data acquisition board includes a first data conversion unit and a second data conversion unit;
the first data conversion unit can convert the resistance characteristic data into a numerical value, and the second data conversion unit can convert the volt-ampere characteristic data into a numerical value.
The utility model discloses in the wheel speed sensor test equipment of preferred, the computer is provided with bee calling organ, bee calling organ is used for sounding the warning when unusual product appears in the test procedure.
The utility model discloses in the wheel speed sensor test equipment of preferred, still include: the power supply device is connected with the resistance value tester and the computer host and used for supplying power;
the power supply device is provided with a starting switch; and when the starting switch is triggered, the power supply device starts to supply power.
The utility model discloses in the wheel speed sensor test equipment of preferred, power supply unit does the resistance value tester reaches computer provides 12V voltage.
The utility model has the advantages that: because the card wire casing position of resistance tester and wheel speed sensor is connected, the whole test process of control module monitoring of computer host computer simultaneously, and NI data acquisition integrated circuit board have two kinds of test functions of resistance characteristic and volt-ampere characteristic, and can convert test process and result into numerical value with demonstration on the display screen, consequently the utility model provides a wheel speed sensor test equipment has had resistance characteristic and two kinds of test functions of volt-ampere characteristic concurrently, can test the nearly disconnected not disconnected condition of wheel speed sensor pencil pertinence ground to effectively improve the product yield, avoid bad product to flow in market, cause the potential safety hazard.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a wheel speed sensor testing apparatus provided by an embodiment of the present invention.
In the figure:
1-resistance value tester; 2-a computer host; 21-a display screen; 22-a buzzer; 3-a power supply device; 31-start switch; a-wheel speed sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, the present embodiment provides a wheel speed sensor testing apparatus, which includes: the resistance tester 1 is used for being connected with a wire clamping groove part of the wheel speed sensor A;
the computer host 2 is connected with the resistance tester 1, and the computer host 2 is provided with a control module (not shown in the figure), an NI data acquisition board card (not shown in the figure) and a display screen 21 which are connected in sequence; the control module is used for monitoring the whole testing process, the NI data acquisition board card has two testing functions of resistance characteristic and volt-ampere characteristic, is provided with a testing data conversion unit and is used for converting the testing process and results into numerical values to be reflected, and the display screen 21 is used for displaying the testing process and the results.
The embodiment of the utility model provides a beneficial effect is: because resistance tester 1 is connected with wheel speed sensor A's card wire casing position, the whole testing process of control module monitoring of computer 2 simultaneously, and NI data acquisition integrated circuit board has two kinds of test functions of resistance characteristic and volt-ampere characteristic to can convert test process and result into numerical value in order to show on display screen 21, consequently the embodiment of the utility model provides a wheel speed sensor test equipment has had resistance characteristic and two kinds of test functions of volt-ampere characteristic concurrently, can test the nearly disconnected condition of disconnected of wheel speed sensor pencil pertinence ground, thereby effectively improve the product yield, avoid bad product to flow in market, cause the potential safety hazard.
In a preferred embodiment of the present invention, in order to save the testing time and improve the testing efficiency, the NI data acquisition board may include a first data conversion unit and a second data conversion unit in parallel; specifically, the first data conversion unit can convert the resistance characteristic data into a numerical value, and the second data conversion unit can convert the voltammetry characteristic data into a numerical value.
It should be noted that the resistivity is a physical quantity used to represent resistance characteristics of various substances, and the resistance of a conductor made of a certain material and having a length of 1 meter and a cross-sectional area of 1 square meter is numerically equal to the resistivity of the material; the resistance characteristic (resistance value characteristic) can be measured with a resistance tester. The current-voltage characteristic curve graph generally uses the ordinate to represent the current I and the abscissa to represent the voltage U, and an I-U image drawn by the current-voltage characteristic curve graph is called a current-voltage characteristic curve graph of a conductor; the volt-ampere characteristic curve is specific to a conductor, namely a power consumption element, and an image is usually used for researching the change rule of the resistance of the conductor; the voltammetry characteristics can be measured using a voltammetry tester.
In addition, the inventor of the application also finds that the reading mode of the test result of the traditional equipment has the risk of causing the outflow of the defective products due to the visual fatigue; therefore, for solving the above-mentioned defect, the embodiment of the utility model provides a wheel speed sensor test equipment has ring alarming function.
In the preferred embodiment of the present invention, as shown in fig. 1, the computer 2 can be provided with a buzzer 22, so that the buzzer can sound an alarm when an abnormal product (a short wire or a broken wire in a wire harness in a wire clamping groove of a wheel speed sensor) appears in the testing process, thereby effectively avoiding the outflow of defective products due to visual fatigue.
In a preferred embodiment of the present invention, as shown in fig. 1, the wheel speed sensor testing apparatus may further include: the power supply device 3 is connected with the resistance value tester 1 and the computer host 2 and is used for supplying power to the resistance value tester 1 and the computer host 2; specifically, the power supply device 3 may have a start switch 31, and when the start switch 31 is triggered, the power supply device 3 starts supplying power. That is, when the start switch 31 is in the on state, the power supply device 3 supplies power to the resistance value tester 1 and the computer host 2; when the start switch 31 is in the off state, the power supply device 3 is powered off, and power cannot be supplied to the resistance tester 1 and the computer main unit 2.
In the preferred embodiment of the present invention, the power supply device 3 can provide 12V working voltage for the resistance tester 1 and the computer host 2, so as to ensure the normal operation of the two.
The following describes in detail the use process of the wheel speed sensor testing device provided by the embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, the start switch 31 is triggered, the power supply 3 provides 12V to the resistance tester 1 and the computer host 2, and the two start to operate; meanwhile, an operator twists the wire clamping groove part of the wheel speed sensor A in four directions, a control module in the computer host 2 starts to monitor the whole test process, and if the product is normal, the NI data acquisition board converts the whole test result into a numerical value to be reflected on the display screen 21; if a defective product (broken line or a product which is likely to be broken or not broken) occurs, the test process of the resistance tester 1 is interrupted and the buzzer 22 gives an alarm. At this time, the whole test process is completed; with this cycle, the next product test is performed.
The embodiment of the utility model provides a wheel speed sensor test equipment mainly has following several advantages:
firstly, the function of simultaneously carrying out resistance value test and volt-ampere test is realized;
secondly, the whole test process and the result are visually represented on a display screen;
and thirdly, monitoring the whole testing process, and alarming by the linkage of a buzzer.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A wheel speed sensor test apparatus, comprising:
the resistance tester is used for being connected with a wire clamping groove part of the wheel speed sensor;
the computer host is connected with the resistance tester and is provided with a control module, an NI data acquisition board card and a display screen which are sequentially connected; the NI data acquisition board card has two test functions of resistance characteristic and volt-ampere characteristic, is provided with a test data conversion unit and is used for converting the test process and the test result into numerical values to be reflected, and the display screen is used for displaying the test process and the test result.
2. The wheel speed sensor testing device of claim 1, wherein the NI data acquisition board card comprises a first data conversion unit and a second data conversion unit;
the first data conversion unit can convert the resistance characteristic data into a numerical value, and the second data conversion unit can convert the volt-ampere characteristic data into a numerical value.
3. The wheel speed sensor testing device of claim 1 or 2, wherein the computer host is provided with a buzzer for sounding an alarm when an abnormal product occurs during the testing process.
4. The wheel speed sensor testing apparatus of claim 3, further comprising: the power supply device is connected with the resistance value tester and the computer host and used for supplying power;
the power supply device is provided with a starting switch; and when the starting switch is triggered, the power supply device starts to supply power.
5. The wheel speed sensor testing apparatus of claim 4, wherein the power supply device provides 12V voltage for the resistance tester and the host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759250.0U CN212872508U (en) | 2020-08-21 | 2020-08-21 | Wheel speed sensor test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759250.0U CN212872508U (en) | 2020-08-21 | 2020-08-21 | Wheel speed sensor test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212872508U true CN212872508U (en) | 2021-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021759250.0U Active CN212872508U (en) | 2020-08-21 | 2020-08-21 | Wheel speed sensor test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212872508U (en) |
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2020
- 2020-08-21 CN CN202021759250.0U patent/CN212872508U/en active Active
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