Equipment for cable circuit point position inquiry

Abstract

The utility model discloses a device for cable circuit point position inquiry, which comprises a position display device, a host and an external board card, and is characterized in that the position display device is used for judging resistance values and displaying the corresponding resistance values as corresponding point position numbers; a board card interface, a product interface and a plurality of position display resistors are arranged in the host, each position display resistor corresponds to different circuit point positions, and different circuit point positions of a tested cable product correspond to different resistance values through the position display resistors; and the external board card is used for realizing one-to-one connection between the tested cable product and the position display resistor. According to the utility model, correct point location of a product circuit can be ensured, and production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of circuit assembly, concretely relates to a device for cable circuit point position inquiry. BACKGROUND

[0002] The cable assembly is a whole composed of an electrical connector and a finished cable by electronic assembly, and is a component with transmission function. The cable assembly on the launch vehicle system is mainly used for connecting the control system and the external system, and completes the function test on the launch vehicle. With the continuous progress of the launch vehicle control technology, the complexity of the launch vehicle electrical system is greatly improved. The cable assembly, as a passage of the electrical system, is used for electrical connection between systems to realize the accurate control of the launch vehicle. In the processing of the cable assembly, the on-off resistance of the circuit point position is tested by using a multimeter, the circuit point position cannot be determined during manual testing, the circuit point position is confirmed by visual inspection of the end face of the electrical connector, which is prone to error and time-consuming and laborious, and may cause cable failure. The test interface uses loose contact pieces, which may damage the product and reduce the test precision, and there is no special test equipment in the industry.

[0003] In order to ensure that the on-off relationship of the cable assembly product meets the requirements of the drawing, the point position of each welded wire of the finished cable must be found during the welding process of the finished cable. At present, the commonly used method for finding the point position is to use a multimeter. Two people need to work together and must use the matched contact pieces for measurement, which is time-consuming and laborious. If the point position is wrong, the welding relationship will be wrong, resulting in the scrap of the cable assembly product. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides a device for cable circuit point position inquiry.

[0005] In order to achieve the above-mentioned utility model purposes, the utility model adopts the technical scheme that:

[0006] A device for cable circuit point position inquiry, characterized in that it comprises a point position display device, a host computer and an external board card, wherein,

[0007] The point position display device is used for judging the resistance value and displaying the corresponding point position number corresponding to the resistance value;

[0008] The host computer is provided with a host computer interface, a board card interface, a product interface and a plurality of point position display resistors. Each point position display resistor corresponds to a different circuit point position, and realizes that different circuit point positions of the tested cable product correspond to different resistance values through the point position display resistors;

[0009] The external board card is used for realizing one-to-one connection of the connector of the tested product and the point position display resistor.

[0010] Further, the position display device comprises a first interface and a second interface, wherein the first interface is a wire throwing probe used for connecting a corresponding circuit point of the product to be measured; and the second interface is connected with the starting end of the plurality of position display resistors in the host computer.

[0011] Further, the plurality of position display resistors are connected in series, and each position display resistor has the same resistance value, and each position display resistor is connected with one point in the host computer interface Y2-50ZJLM in the host computer board through a wire.

[0012] Further, each external interface end Y2-50TK point in the host board card interface is connected with an internal interface end point in the product interface through a wire.

[0013] Further, each external interface end of the product interface is connected with each internal interface end point of the connector of the product to be measured.

[0014] Further, the external interface of the product connector is used for connecting the position display device.

[0015] The utility model has the following beneficial effects:

[0016] The conventional multimeter needs a special contact piece to connect the product, and the demand is high, and there is a risk of connector pin and hole skewing during connection, and the equipment of the utility model avoids the damage risk caused by scattered pin and hole connection. The equipment point position determination is accurate, and the welding relationship error caused by wrong label or welding error is avoided. The equipment simplifies the operation and greatly improves the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a circuit schematic diagram. DETAILED DESCRIPTION

[0018] The specific embodiment of the utility model is described below, so that the person skilled in the art can understand the utility model, but it should be clear that the utility model is not limited to the scope of the specific embodiment, and for the ordinary skilled person in the art, as long as various changes are within the spirit and scope of the utility model defined and determined by the appended claims, these changes are obvious, and all the utility model creations using the utility model concept are protected.

[0019] The principle of the utility model is that the connector interface connected with the product is connected into the position display device through the host computer interface and the board card interface, the resistors with the same resistance value are connected in series, the corresponding point of the product to be measured is connected between every two resistors, the resistance value of the corresponding point is compared by using the resistance value test function of the position display device, and the digital number of the corresponding point of the product to be measured is outputted, for example, Figure 1The circuit principle diagram is shown, and the device for cable circuit point position inquiry can realize 200 cable product circuit point position fast inquiry.

[0020] The first interface of the position display device is a wire throwing probe, and the second interface is connected with the R1 start end of the position display resistor 2;

[0021] The host computer comprises a plurality of position display resistors R1-R200, and the plurality of position display resistors are connected in series.

[0022] The host computer comprises a plurality of host computer interfaces 3 and a plurality of board card interfaces 4 which are the same in number as the host computer interfaces, wherein the inner interface end Y2-50ZJLM point of the board card interface is connected with the outer interface end Y2-50TK point of the host computer interface 4 through a wire, and the outer interface end Y2-50TK point of the board card interface 4 is connected with the inner interface end of the product interface 5 through a wire.

[0023] The outer interface end of the product interface 5 is connected with the product connector point of the inner interface end of the measured product 6.

[0024] The product connector point of the outer interface end of the measured product 6 is the wire throwing probe of the position display device.

[0025] The device testing process is that the product connector end of the measured product is connected to the testing device, the probe is connected with different point positions of the measured product, and the corresponding circuit point position numbers of the measured product connected by the probe are displayed on the position display device.

[0026] The principle and implementation mode of the utility model are described in the specific embodiments, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model, and the above description should not be understood as the limitation of the utility model.

[0027] Those skilled in the art will understand that the embodiments described herein are for the purpose of helping the reader understand the principles of the present application, and should be understood as the protection scope of the present application is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations according to the technical inspirations disclosed in the present application without departing from the essence of the present application, and these modifications and combinations are still within the protection scope of the present application.

Claims

1. An apparatus for cable circuit point location inquiry, characterized in that, The display device, the host and the external board card are included, wherein, The display device is used for judging resistance value and displaying corresponding point position number of the resistance value; The host is provided with a host interface, a board card interface, a product interface and a plurality of display resistors, each display resistor corresponds to different circuit point positions, and different resistance values of different circuit point positions of the tested cable product are realized through the display resistors; The external board card is used for realizing one-to-one connection of the measured product connector and the display resistor.

2. The device for cable circuit point location according to claim 1, characterized in that, The display device includes a first interface and a second interface, wherein the first interface is a wire throwing probe used for connecting corresponding circuit point positions of the measured product; and the second interface is connected with starting ends of the plurality of display resistors in the host.

3. The device for cable circuit point location according to claim 1, characterized in that, The plurality of display resistors are connected in series, and each display resistor has the same resistance value, and each display resistor is connected with one point position of the inner interface port Y2-50ZJLM of the host interface in the host board card through a wire.

4. The device for cable circuit point location according to claim 1, characterized in that, Each external interface end Y2-50TK point position of the board card interface in the host board card is connected with an inner interface end point position in the product interface through a wire.

5. The device for cable circuit point location according to claim 1, characterized in that, Each external interface end of the product interface is connected with each inner interface end point position of the measured product connector.

6. The device for cable circuit point location according to claim 1, characterized in that, The external interface of the product connector is used for connecting the display device.

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