CN113411994A

CN113411994A - Quick test display device of multicore connecting wire

Info

Publication number: CN113411994A
Application number: CN202110508540.0A
Authority: CN
Inventors: 谢坤秀; 谢承霖; 颜卓诚
Original assignee: Shenzhen Badasheng Electronics Co ltd
Current assignee: Shenzhen Badasheng Electronics Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-09-17
Anticipated expiration: 2041-05-11
Also published as: CN113411994B

Abstract

The utility model relates to a quick test display device of multicore connecting wire belongs to connecting wire test equipment's field, including power and detection module, power and detection module connect, be equipped with the link on the detection module, this link is used for being connected with the both ends of connecting wire, makes each heart yearn of connecting wire establish ties to form a circular telegram return circuit, detection module is used for detecting and showing whether circular telegram return circuit has the electric current to pass through. This application has the effect that improves connecting wire efficiency of software testing, and can detect the inside bad condition such as opening a way, short circuit and welding mistake of multicore connecting wire to show in real time.

Description

Quick test display device of multicore connecting wire

Technical Field

The application relates to the field of connecting wire test equipment, in particular to a multi-core connecting wire rapid test display device.

Background

At present, multi-core connection wires are widely used to connect devices and modules to transmit electric energy or electric signals. Most commonly have plug or socket like both ends welding such as 3.5mm audio frequency connecting wire, USB data line, power cord, VGA connecting wire, HUHD connecting wire, the normal work that can influence equipment appears not switching on in the heart yearn, so, need do the conduction test to the connecting wire after the welding is accomplished, detect welding quality and wire rod connection condition.

During testing, one end of each core wire on the connecting wire is connected with an indicator lamp in series, the other end of each core wire is connected with a testing power supply, and whether the indicator lamps are lightened or not is observed to judge the conduction condition of the connecting wire.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the core wire of connecting wire is more, needs to inspect the core wire one by one for test time is long, efficiency of software testing is low.

Disclosure of Invention

In order to improve efficiency of software testing, this application provides a quick test display device of multicore connecting wire.

The application provides a pair of quick test display device of multicore connecting wire adopts following technical scheme:

the utility model provides a multicore connecting wire tests display device fast, includes power and detection module, power and detection module connect, be equipped with the link on the detection module, this link is used for being connected with the both ends of connecting wire, makes each heart yearn of connecting wire establish ties to form a circular telegram return circuit, detection module is used for detecting and showing whether circular telegram return circuit has the electric current to pass through.

By adopting the technical scheme, the core wires on the connecting wire are connected in series, when all the core wires are conducted, the power-on loop is conducted, current passes through the power-on loop, and the detection module detects the current; when one core wire or a plurality of core wires are not conducted, the electrifying loop is disconnected, no current passes through the electrifying loop, the current cannot be detected by the detection module, and then the conduction condition of all the core wires can be detected without one-by-one inspection, so that the test efficiency of the connecting wire is effectively improved. Meanwhile, the condition that the detection of the core wire is omitted is not easy to occur.

Optionally, the detection module includes first binding post, second binding post and detecting element, first binding post is connected with the power, the connecting wire is connected with first binding post, second binding post respectively, detecting element is used for detecting and showing whether circular telegram circuit has the electric current to pass through, detecting element's both ends all are connected with first binding post and/or detecting element's one end and first binding post are connected, the other end and power are connected and/or detecting element's both ends all are connected with second binding post.

Through adopting above-mentioned technical scheme, first binding post, second binding post connect respectively at the both ends of connecting wire, make each heart yearn of connecting wire establish ties together, and the power provides the electric energy, and detecting element detects the electric current of circular telegram return circuit.

Optionally, there are a plurality of the detecting units, and the plurality of detecting units are used for connecting the core wires in series and forming the energizing loop.

By adopting the technical scheme, the number of the detection units is multiple, when all core wires are conducted, the electrifying loop is conducted, current passes through the electrifying loop, and all the detection units detect the current; when one core wire or a plurality of core wires are not conducted, the electrified loop is disconnected, and all the detection units do not detect current; when the current is not detected by individual or all of the detection units, short circuit or welding error occurs between the core wires, and the short circuit, welding error and conduction condition of the core wires can be detected. If one detection unit can not detect the current, the tested connecting line is regarded as a defective product.

Optionally, if the number of the ports used by the first connection terminal and the second connection terminal is N, the number of the detection units is M, M = N-1, where N is greater than or equal to 3, and N is a natural number;

when N is an even number, the ports of the first wiring terminals at the end parts are connected with a power supply, the ports of the first wiring terminals in the middle are grouped in pairs, each group is connected with one detection unit in series, the ports of the second wiring terminals are grouped in pairs, and each group is connected with one detection unit in series;

and when N is an odd number, one port at the end part of the first wiring terminal is connected with the power supply, the rest ports of the first wiring terminal are grouped in pairs, each group is connected with one detection unit in series, one port at the end part of the second wiring terminal is connected with the power supply, the rest ports of the second wiring terminal are grouped in pairs, each group is connected with one detection unit in series, and the detection units on the first wiring terminal and the detection units on the second wiring terminal are distributed in a staggered manner.

Through adopting above-mentioned technical scheme, set up the detecting element of above-mentioned number, both can detect the short circuit and the condition of switching on of heart yearn, can set up less detecting element again, practice thrift the cost.

Optionally, the detection module further includes a normally open switch, the number of the normally open switch is the same as that of the detection units, the normally open switch includes a first switch and a second switch, one end of the first switch is connected to the detection unit and the first connection terminal, and the other end of the first switch is connected to the power supply; one end of the second switch is connected with the detection unit and the second wiring terminal, and the other end of the second switch is connected with the power supply.

Through adopting above-mentioned technical scheme, the connecting wire is connected between first binding post and second binding post, closes corresponding first switch or second switch, can test the connecting wire of different heart yearn quantity.

Optionally, the detection unit adopts a light emitting device, and the light emitting device detects whether current passes through the power-on loop in a light emitting manner.

By adopting the technical scheme, when the current passes through the electrifying loop, the detection unit emits light, so that the detection is more visual.

Optionally, the light emitting device is a light emitting diode.

By adopting the technical scheme, the light-emitting diode has low cost and low starting voltage.

Optionally, the detection device further comprises a first resistor R1, wherein one end of the first resistor R1 is connected to the power supply, and the other end is connected to the detection module.

Through adopting above-mentioned technical scheme, first resistance R1 is the current-limiting resistor, restricts the electric current that flows through the detection module, plays the guard action.

Optionally, the portable electronic device further comprises an indication light source, wherein one end of the indication light source is connected with the detection module and the anode of the power supply, and the other end of the indication light source is connected with the detection module and the cathode of the power supply.

By adopting the technical scheme, the indication light source is lightened, the power supply operates normally, and the condition of detection errors caused by power supply problems is reduced.

Optionally, the device further comprises a second resistor R2, wherein the second resistor R2 is connected with the indicating light source in series.

Through adopting above-mentioned technical scheme, second resistance R2 is the current-limiting resistor, restricts the electric current that flows through the instruction light source, plays the guard action.

In summary, the present application includes at least one of the following beneficial technical effects:

1. all core wires on the connecting wire are connected in series, when all the core wires are conducted, the power-on loop is conducted, current passes through the power-on loop, and the detection module detects the current; when one core wire or a plurality of core wires are not conducted, the electrifying loop is disconnected, no current passes through the electrifying loop, the detection module cannot detect the current, one-by-one inspection is not needed, and the test efficiency of the connecting wire is effectively improved.

2. The number of the detection units is multiple, when all core wires are conducted, the power-on loop is conducted, current passes through the power-on loop, and all the detection units detect the current; when one core wire or a plurality of core wires are not conducted, the electrified loop is disconnected, and all the detection units do not detect current; when the current is not detected by individual or all detection units, short circuit or welding error occurs between the core wires, and the short circuit, welding error and conduction condition of the core wires can be detected and displayed in real time.

Drawings

FIG. 1 is a connection block diagram of a multi-core connection line rapid test display device according to the present application;

FIG. 2 is a schematic diagram of the connection of a multi-core connection line rapid test display device in embodiment 1;

FIG. 3 is a schematic diagram of a multi-core connection line rapid test display device in embodiment 2;

FIG. 4 is another schematic diagram of the multi-core connection line rapid test display device in embodiment 2;

FIG. 5 is a schematic diagram showing the connection of a multi-core connection line rapid test display device in embodiment 3;

FIG. 6 is a schematic diagram illustrating the connection of the fast testing display device with multiple connecting wires N being an even number according to embodiment 4;

FIG. 7 is a schematic diagram illustrating the connection of an odd-numbered multi-core connecting line testing device in example 4;

FIG. 8 is a schematic diagram of a multi-core connection line rapid test display device in embodiment 5.

Description of reference numerals: 10. a power source; 20. a detection module; 21. a first connection terminal; 22. a second connection terminal; 23. a detection unit; 24. a wiring board; 30. an indication light source; 40. a normally open switch; 50. and connecting the wires.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-8 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The embodiment of the application discloses quick test display device of multicore connecting wire.

Example 1

Referring to fig. 1, the test display device includes a power source 10 and a detection module 20, the power source 10 is connected to the detection module 20, the detection module 20 is provided with a connection end, the connection end is used for being connected to two ends of a connection line 50, so that core wires of the connection line 50 are connected in series to form a power-on loop, and the detection module 20 is used for detecting and displaying whether current passes through the power-on loop.

Referring to fig. 2, the test module 20 includes a terminal block 24 and a test unit 23, and the number of ports of the terminal block 24 is twice the number of cores on the patch cord 50. In this embodiment, the terminal block 24 has four ports, two core wires of the connecting wires 50 are provided, the positive pole V + of the power source 10 is connected to the 1 port of the terminal block 24, and the negative pole V-of the power source 10 is connected to the 4 port of the terminal block 24. One end of a core wire is connected to the 1 port of the terminal block 24, and the other end is connected to the 2 port of the terminal block 24. One end of the other core wire is connected with the 3 port of the wiring board 24, the other end is connected with the 4 port of the wiring board 24, and the 2 port and the 3 port of the wiring board 24 are connected through wires. Both ends of the detecting unit 23 are connected to the terminal plate 24 or one end of the detecting unit 23 is connected to the terminal plate 24 and the other end is connected to the power supply 10, so that two core wires of the connecting wire 50 and the detecting unit 23 are connected in series.

In this embodiment, the power supply 10 may employ a dc power supply or convert ac power to dc power. The detecting unit 23 may be a light emitting device that emits light to detect whether current flows through the power supply circuit, for example, the detecting unit 23 may be a light emitting diode.

Optionally, the test display device further includes a first resistor R1, a second resistor R2 and an indicating light source 30, wherein one end of the first resistor R1 is connected to the positive electrode V + of the power supply 10, and the other end of the first resistor R1 is connected to the wiring board 24. One end of the second resistor R2 is connected with the positive pole V + of the power supply 10, and the other end of the second resistor R2 is connected with the indicating light source 30 in series and then connected with the negative pole V-of the power supply 10. In the present embodiment, the indication light source 30 employs a light emitting diode.

The implementation principle of the embodiment 1 is as follows: the current of the power supply 10 passes through the second resistor R2 and the indicating light source 30 from the positive electrode V + of the power supply 10 in sequence and then returns to the negative electrode V-of the power supply 10, so as to form a loop current, the indicating light source 30 is turned on, which indicates that the power supply 10 is normal, and the conduction test operation of the connection line 50 can be started. The current of the power supply 10 may also flow through the first resistor R1, the terminal block 24, and the sensing unit 23 back to the negative V-of the power supply 10. When all the core wires of the connecting wire 50 are conducted, the electrifying loop is conducted, the detecting unit 23 is lightened, when one core wire or a plurality of core wires are not conducted, the electrifying loop is disconnected, the detecting unit 23 is not lightened, the conduction condition of all the core wires can be detected, and the testing efficiency of the connecting wire 50 is effectively improved.

Example 2

Referring to fig. 3 and 4, the present embodiment is different from embodiment 1 in that the detection module 20 includes a first connection terminal 21, a second connection terminal 22 and a detection unit 23, the first connection terminal 21 is connected to the power source 10, the number of ports used by the first connection terminal 21 and the second connection terminal 22 is the same, the first connection terminal 21 and the second connection terminal 22 are disposed opposite to each other, and the connection line 50 is connected to the first connection terminal 21 and the second connection terminal 22, respectively.

In the present embodiment, the number of the detecting units 23 is one, and the detecting units 23 may be connected to the first connection terminals 21 and the power supply 10, respectively. Both ends of the detection unit 23 may also be connected to the first connection terminal 21, and both ends of the detection unit 23 may also be connected to the second connection terminal 22.

The implementation principle of the embodiment 2 is as follows: the current of the power supply 10 returns to the negative electrode V-of the power supply 10 after passing through the first resistor R1, the first wiring terminal 21, the connecting line 50, the second wiring terminal 22 and the detecting unit 23, when all core wires of the connecting line 50 are conducted, the electrifying loop is conducted, the detecting unit 23 is lightened, when one core wire or a plurality of core wires are not conducted, the electrifying loop is disconnected, the detecting unit 23 is not lightened, the conduction condition of all the core wires can be detected, and the testing efficiency of the connecting line 50 is effectively improved.

Example 3

Referring to fig. 5, the present embodiment is different from embodiment 2 in that the detecting unit 23 uses an ammeter, and detects whether a current passes through the energizing circuit by the ammeter.

The implementation principle of the embodiment 3 is as follows: the current of the power supply 10 returns to the negative pole V-of the power supply 10 after passing through the first resistor R1, the first connection terminal 21, the connection line 50, the second connection terminal 22 and the detection unit 23, when all core wires of the connection line 50 are conducted, the power-on loop is conducted, and the detection unit 23 has reading; when one core wire or a plurality of core wires are not conducted, the power-on loop is disconnected, the detection unit 23 has no reading, the conduction conditions of all the core wires can be detected, and the test efficiency of the connecting wire 50 is effectively improved.

Example 4

Referring to fig. 6 and 7, the present embodiment is different from embodiment 2 in that the number of the detection units 23 is at least 2, and if the number of the ports of the first connection terminal 21 and the second connection terminal 22 is N, the number of the detection units 23 is M, N is greater than or equal to 3, N is a natural number, and M = N-1.

When N is an even number, two ports of the first connection terminal 21 located at the end portion are respectively connected with the positive electrode V + and the negative electrode V-of the power supply 10, two ports of the first connection terminal 21 located at the middle portion are grouped in pairs, and each group is connected in series with one detection unit 23. The ports on the second connection terminal 22 are grouped in pairs, and each group is connected in series with a detection unit 23.

When N is an odd number, one port of the end of the first connection terminal 21 is connected to the positive electrode V + of the power supply 10, and the remaining ports of the first connection terminal 21 are grouped in pairs, each group being connected in series to one detection unit 23. A port at the end of the second connection terminal 22 is connected with the negative electrode V-of the power supply 10, the other ports of the second connection terminal 22 are grouped in pairs, each group is connected with a detection unit 23 in series, and the detection units 23 on the first connection terminal 21 and the detection units 23 on the second connection terminal 22 are distributed in a staggered manner.

Example 4 the principle of implementation is: the current of the power supply 10 returns to the negative voltage V-of the power supply 10 after passing through the first resistor R1, the first connection terminal 21, the connection line 50, the second connection terminal 22, the detection unit 23, and the like. Referring to FIG. 6, when the core wires of the connecting wires 50 are all conducted, the channel loop is conducted and the LEDs D1-D3 are all lighted; when one core wire or a plurality of core wires are not conducted, the channel loop is disconnected, the light emitting diodes D1-D3 are not lightened, short circuit or welding error occurs among the core wires of the connecting wire 50, and the light emitting diodes D1-D3 are respectively lightened or are all lightened, namely, as long as one detection unit 23 is lightened, the connecting wire 50 is regarded as a defective product, and the testing efficiency of the connecting wire 50 is effectively improved.

Example 5

Referring to fig. 8, the present embodiment is different from embodiment 4 in that the detection module 20 further includes normally open switches 40, and the number of the normally open switches 40 is the same as the number of the detection units 23. The normally open switch 40 includes a first switch and a second switch, one end of the first switch is connected to the detecting unit 23 in a one-to-one correspondence manner and is connected to the first connection terminal 21, and the other end of the first switch is connected to the negative electrode V-of the power supply 10. One end of the second switch is connected with the detecting unit 23 in a one-to-one correspondence manner and is connected with the second connecting terminal 22, and the other end of the second switch is connected with the negative electrode V-of the power supply 10.

The implementation principle of the embodiment 5 is as follows: according to the number of the core wires of the connecting wire 50, the corresponding normally open switch 40 is closed, the current of the power supply 10 returns to the negative electrode V-of the power supply 10 after passing through the first resistor R1, the first wiring terminal 21, the connecting wire 50, the second wiring terminal 22, the detection unit 23 and the normally open switch 40, when all the core wires of the connecting wire 50 are conducted, the channel loop is conducted, and the light emitting diodes D1-D3 are all lighted. When one core wire or a plurality of core wires are not conducted, the channel loop is disconnected, the light emitting diodes D1-D3 are not lightened, short circuit or welding error occurs among the core wires of the connecting wire 50, and the light emitting diodes D1-D3 are respectively lightened or are all lightened, namely, as long as one detection unit 23 is lightened, the connecting wire 50 is regarded as a defective product, and the testing efficiency of the connecting wire 50 is effectively improved.

The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims

1. The utility model provides a quick test display device of multicore connecting wire which characterized in that: including power (10) and detection module (20), power (10) and detection module (20) are connected, be equipped with the link on detection module (20), this link is used for being connected with the both ends of connecting wire (50), makes each heart yearn of connecting wire (50) establish ties to form a circular telegram return circuit, detection module (20) are used for detecting and show whether circular telegram return circuit has the electric current to pass through.

2. The test display device of claim 1, wherein: detection module (20) include first binding post (21), second binding post (22) and detecting element (23), first binding post (21) and power (10) are connected, connecting wire (50) respectively with first binding post (21), second binding post (22) are connected, detecting element (23) are used for detecting and show whether circular telegram has the electric current to pass through, the both ends of detecting element (23) all are connected with first binding post (21) and/or the one end and first binding post (21) of detecting element (23) are connected, the both ends that the other end and power (10) are connected and/or detecting element (23) all are connected with second binding post (22).

3. The test display device of claim 2, wherein: the detection units (23) are multiple, and the multiple detection units (23) are used for connecting the core wires in series and forming the electrifying loop.

4. The test display device of claim 3, wherein: if the number of the ports used by the first connection terminal (21) and the second connection terminal (22) is N, the number of the detection units (23) is M, M = N-1, wherein N is greater than or equal to 3, and N is a natural number;

when N is an even number, the port of the end part of the first wiring terminal (21) is connected with the power supply (10), the port of the middle part of the first wiring terminal (21) is pairwise in one group, each group is connected with one detection unit (23) in series, the port of the second wiring terminal (22) is pairwise in one group, and each group is connected with one detection unit (23) in series;

when N is an odd number, a port at the end part of the first wiring terminal (21) is connected with the power supply (10), the rest ports of the first wiring terminal (21) are pairwise in one group, each group is connected with one detection unit (23) in series, a port at the end part of the second wiring terminal (22) is connected with the power supply (10), the rest ports of the second wiring terminal (22) are pairwise in one group, each group is connected with one detection unit (23) in series, and the detection units (23) on the first wiring terminal (21) and the detection units (23) on the second wiring terminal (22) are in staggered distribution.

5. The test display device of claim 3, wherein: the detection module (20) further comprises normally open switches (40), the number of the normally open switches (40) is the same as that of the detection units (23), each normally open switch (40) comprises a first switch and a second switch, one end of each first switch is connected with the detection unit (23) and the first wiring terminal (21), and the other end of each first switch is connected with the power supply (10); one end of the second switch is connected with the detection unit (23) and the second wiring terminal (22), and the other end of the second switch is connected with the power supply (10).

6. The test display device of claim 2, wherein: the detection unit (23) adopts a light-emitting device which detects whether current passes through the electrifying loop in a light-emitting mode.

7. The test display device of claim 6, wherein: the light emitting device is a light emitting diode.

8. The test display device of claim 1, wherein: the detection circuit also comprises a first resistor R1, wherein one end of the first resistor R1 is connected with the power supply (10), and the other end of the first resistor R1 is connected with the detection module (20).

9. The test display device of claim 1, wherein: the device is characterized by further comprising an indicating light source (30), wherein one end of the indicating light source (30) is connected with the positive electrodes of the detection module (20) and the power supply (10), and the other end of the indicating light source is connected with the negative electrodes of the detection module (20) and the power supply (10).

10. The test display device of claim 9, wherein: also included is a second resistor R2, the second resistor R2 being in series with the indicator light source (30).