CN216771824U

CN216771824U - Conversion device for rapidly checking current detection loop problem

Info

Publication number: CN216771824U
Application number: CN202220093516.5U
Authority: CN
Inventors: 李飞燕; 王永和
Original assignee: Shanghai Xinyao Electronics Co Ltd
Current assignee: Shanghai Xinyao Electronics Co Ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-06-17
Anticipated expiration: 2032-01-14

Abstract

The utility model provides a conversion device for rapidly checking the problem of a current detection loop, which comprises an input terminal socket, a first universal meter pen jack region, a second universal meter pen jack region, a first relay connector socket and a second relay connector socket, wherein the input terminal socket, the first universal meter pen jack region, the second universal meter pen jack region, the first relay connector socket and the second relay connector socket are arranged on a circuit substrate. The input terminal socket, first relay connector socket and all have a plurality of terminal needles on the second relay connector socket, first universal meter pen-shape metre jack region second universal meter pen-shape metre jack region has two jacks and two pen-shape metre mounts respectively, two jacks are red pen-shape metre jack and black pen-shape metre jack. The conversion device further comprises a relay connector and an output end connector, and the relay connector and the output end connector are connected through a lead. The utility model does not need to change the connector and the circuit in the original current detection loop, does not influence the current detection loop and other circuits outside the current detection loop due to misoperation, is convenient and quick to use, and can quickly position the problem.

Description

Conversion device for rapidly checking current detection loop problem

Technical Field

The utility model relates to the field of current detection of electronic products, in particular to a conversion device for rapidly checking a current detection loop problem.

Background

The current is a very critical parameter of the electronic product, and a loop (current detection loop) for detecting the current needs to be designed in the detection equipment when the electronic product is delivered for detection. The current detection loop comprises a current detection device and a circuit, wherein the current detection device comprises an ammeter, a current measuring instrument, a self-made measuring instrument and the like. However, the parameters to be detected by the detection device include other parameters besides the current, such as voltage and temperature, and logic control is also performed to simulate different use scenes, so the circuit design of the detection device is often complicated, and wiring can be performed without attention. When debugging the check out test set, can't measure current data or when the current data deviation that measures is great, whole return circuit just can't normally work, needs to use the universal meter to investigate whether current detection device problem or circuit problem.

There are two conventional methods for checking. One is to connect the multimeter (current gear) in series to the detection loop, first disconnect the circuit at one end of the connector connected to the current detection device, connect one of the meter pens of the multimeter to the connector, and connect the other meter pen with the unscrewed circuit. The other is that the current detection device is required to be separated, the circuits at two ends of the connector, which are related to the current, are detached, and the two circuits are respectively connected with two test pens of the multimeter. If the terminal of connector is smaller, the pen-shape metre can not insert into, and the circuit of dismantling is twisted together with the pen-shape metre also insecure easily bad contact, is exactly that the wrong terminal of inserting is gone into by accident in carelessness in addition, still easily damages the universal meter or the circuit in the current detection device damages. No matter which kind of scene above, all waste time and energy when using, it is very inconvenient to investigate the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provides a conversion device for rapidly troubleshooting current detection loop problems, which can complete measurement and troubleshooting through an intermediate conversion device without changing the original connector and circuit and can rapidly position the problems.

The utility model relates to a conversion device for rapidly checking the problem of a current detection loop, which comprises an input terminal socket, a first universal meter pen jack region, a second universal meter pen jack region, a first relay connector socket and a second relay connector socket which are arranged on a circuit substrate, wherein,

the input terminal socket, the first relay connector socket and the second relay connector socket are respectively provided with a plurality of terminal needles, the first universal meter pen jack region and the second universal meter pen jack region are respectively provided with two jacks and two meter pen fixing frames, the two jacks are a red meter pen jack and a black meter pen jack,

a first terminal pin of the input terminal socket is connected with the red pen sockets of the first universal meter pen socket region and the second universal meter pen socket region through a lead respectively, a second terminal pin of the input terminal socket is connected with the black pen sockets of the first universal meter pen socket region and one terminal pin of the second relay connector socket through a lead respectively, a first terminal pin of the second relay connector socket is connected with the black pen sockets of the second universal meter pen socket region through a lead, and the other terminal pins of the input terminal socket are connected with the terminal pins of the first relay connector socket and the second relay connector socket respectively through leads,

the conversion device further comprises a relay connector and an output end connector, and the relay connector and the output end connector are connected through a lead.

Preferably, the input terminal sockets are identical to sockets on the current detection device in the current detection loop, and the output connectors are matched with sockets on the current detection device in the current detection loop.

Preferably, the two meter pen fixing frames correspond to the two insertion holes respectively.

Preferably, the two insertion holes are spaced apart by a distance to ensure that the insertion of the styluses does not affect each other.

Preferably, there is also a connector assembly of more than one trunk connector, conductors and output terminals.

The utility model has the following beneficial effects:

1. the utility model can support two modes: the universal meter can be independently connected into a circuit (separated from a detection loop for measuring current), and can also be connected into an existing circuit in series to detect data of the standard current in real time;

2. the original connector and circuit are not required to be changed;

3. the current detection loop in the original detection equipment and other circuits outside the current detection loop cannot be influenced by misoperation; 4. the use is quick and convenient, and the problem can be quickly positioned.

Drawings

Fig. 1 is a schematic structural diagram of a conversion device of the present invention.

Fig. 2 is a schematic diagram of the connection between the conversion device and the product end and the current detection device end of the present invention.

Detailed Description

The embodiments of the present invention will be described below with reference to the drawings attached to the specification. It should be noted that the embodiments mentioned in the present description are not exhaustive and do not represent the only embodiments of the present invention. The following examples are provided for clarity of the utility model and are not intended to limit the scope of the utility model. It will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, and it is intended to cover all such changes and modifications that are within the spirit and scope of the utility model and obvious to one skilled in the art.

As shown in fig. 1-2, the switching device for quickly troubleshooting a current detection loop problem in a detection device according to the present invention includes an input terminal socket 1, a first multimeter pen socket area 2, a second multimeter pen socket area 3, a first relay connector socket 4, and a second relay connector socket 5 disposed on a circuit substrate 10.

In the present embodiment, the input terminal receptacle 1, the first relay connector receptacle 4, and the second relay connector receptacle 5 each have 4 terminal pins. The first universal meter pen jack region 1 and the second universal meter pen jack region 2 are respectively provided with two jacks and two meter pen fixing frames (not shown), and the two jacks are a red meter pen jack and a black meter pen jack. The two meter pen fixing frames correspond to the two jacks respectively. The two jacks are separated by a certain distance to ensure that the meter pen cannot be influenced mutually when being inserted, and correct red and black (positive and negative) marks are set according to the actual condition of a circuit and the actual flow direction of current when the meter pen is used.

The first terminal needles of the input terminal socket 1 are respectively connected with the red meter pen jacks in the first universal meter pen jack region 2 and the second universal meter pen jack region 3 through wires 9, the second terminal needles of the input terminal socket 1 are respectively connected with the black meter pen jacks in the first universal meter pen jack region 2 and one terminal needle of the second relay connector socket 5 through wires 9, the first terminal needles of the second relay connector socket 5 are connected with the black meter pen jacks in the second universal meter pen jack region 3 through wires 9, and the rest terminal needles of the input terminal socket 1 are respectively connected with the terminal needles of the first relay connector socket 4 and the second relay connector socket 5 through wires 9. In this embodiment, the leads 9 are board-mounted leads fixed to the circuit board 10.

The switching device further comprises a relay connector 6 and an output connector 7. The relay connector 6 and the output terminal connector 7 are connected by a wire 8.

Preferably, the input terminal socket 1 is identical to the socket 13 of the current detection device 12 in the current detection circuit, that is, the input terminal socket 1 is matched to the connector (product-side connector 11) of the current detection device 12 originally inserted into the current detection circuit, and the output terminal connector 7 is matched to the socket 13 of the current detection device 12 in the current detection circuit, that is, the output terminal connector 7 is identical to the connector (product-side connector 11) of the current detection device 12 originally inserted into the current detection circuit.

The operation of the present invention will be described in detail with reference to fig. 2.

Generally, when a product is originally detected, a current detection circuit of the original detection equipment is provided with a socket 13 on a current detection device 12, and a connector 11 (such as a plug) from the end of the product is directly plugged into the socket 13 of the current detection device 12 for detection. When the current detected by the current detection device 12 of the current detection circuit in the original detection equipment is zero or the current data is abnormal, it is necessary to determine whether the current detection device is a problem or a line problem, and at this time, the current detection device 12 needs to be separated, that is, the plug-in connector (i.e., the product termination connector 11, such as a plug) on the current detection device 12 of the current detection circuit in the original detection equipment is inserted into the input terminal socket 1 of the conversion device of the present invention, the relay connector 6 is inserted into the first relay connector socket 4, and the output terminal connector 7 is inserted into the position of the socket 13 of the plug-in connector of the current detection device 12 of the current detection circuit in the original detection equipment. And then inserting a red and black meter pen of the universal meter (current gear) into a meter pen jack of the first universal meter pen jack area 2.

According to the display value of the multimeter, the current detection device detects the value to carry on the benchmarking with the value, if the current that the multimeter measures is identical with the numerical value that the current detection device 12 measures, if the measured value is all zero or abnormal value, judge that is irrelevant with the current detection device 12, is relevant with the design or connection of the circuit; if the value measured by the multimeter is not consistent with the value measured by the current detection device 12, the value measured by the multimeter is within the set range, and the value measured by the current detection device 12 is abnormal, then there is no problem with the line, but there is a problem with the current detection device 12, and further troubleshooting of the current detection device is required.

When the measured value of the current detection device is in a normal range during detection, but the accuracy is not in the normal range, a universal meter needs to be connected in series to a current detection loop in original detection equipment, and the measured value of the current detection device and data measured by the universal meter are subjected to parameter correction on the target, wherein the using method at the moment comprises the following steps: the method comprises the steps of inserting a plug-in connector (product terminating connector 11) on a current detection device 12 of a current detection loop in original detection equipment into an input terminal socket 1 of a conversion device, inserting a relay connector 6 into a second relay connector socket 5, inserting an output connector 7 into a plug-in connector 13 of the current detection device 12 of the current detection loop in the original detection equipment, and then inserting a red and black pen of a universal meter (current level) into a second universal meter pen jack area 3. The two methods are both quick and convenient to use.

The conversion device needs to pay attention to the positive and negative of the multimeter pen in the using process, the mark on the graph is not unique, and the mark is marked according to the condition of an actual circuit and the actual flow direction of current so as to avoid using mistakes.

Preferably, the switching device of the present invention may further comprise more than one connector module consisting of the relay connector 6, the lead 8 and the output terminal connector 7, and when in use, the corresponding output terminal connector of each module is connected to the original detection circuit according to different requirements.

The structure of the pen-shape metre jack region design for the jack with the pen-shape metre mount of universal meter in this embodiment, can design corresponding mount based on the pen-shape metre condition of universal meter according to actual demand, like C type mount, the pen-shape metre inserts and fixes simultaneously, can be more convenient and reliable in the application.

In addition, in the present embodiment, the number of the terminal pins is only an example, and is not exclusive, and it is sufficient that the input terminal socket and the line connector to be measured are identical or matched. In addition, the embodiment takes the measurement of one current as an example, in practical use, according to the situation of an actual circuit, multiple currents can be measured, and the measurement ideas are the same, so that no matter which one current is used, the multiple currents cannot affect each other, and no other current can be affected.

It will be apparent to those skilled in the art that the above embodiments are merely illustrative of the present invention and are not to be construed as limiting the present invention, and that changes and modifications to the above described embodiments may be made within the spirit and scope of the present invention as defined in the appended claims.

Claims

1. A switching device for rapidly troubleshooting current detection loop problems, comprising an input terminal socket, a first multimeter stylus jack region, a second multimeter stylus jack region, a first relay connector socket and a second relay connector socket arranged on a circuit substrate, wherein,

2. The switching device of claim 1, wherein said input terminal receptacle is compatible with a receptacle on a current sensing device in said current sensing circuit, and said output connector is compatible with a receptacle on a current sensing device in said current sensing circuit.

3. The conversion device of claim 2, wherein the two stylus holders correspond to positions of the two insertion holes, respectively.

4. A switch over device according to claim 3, wherein the two sockets are spaced apart to ensure that the pens do not interfere with each other when inserted.

5. The transition device defined in claim 3, further comprising a connector module of more than one trunk connector, wire and outlet connector.