CN219915731U - Test device - Google Patents

Abstract

The utility model discloses a testing device, which is applied to the technical field of testing. The testing device comprises a base assembly, a testing circuit board, a conductive assembly and a testing conductive rod. The test circuit board is mounted on the base assembly and comprises a power supply interface and a multichannel acquisition card module. The conductive component is arranged on the base component and is electrically connected with the power supply interface. The test conductive rod is electrically connected with the conductive component; the current sensor is arranged on the test conductive rod and is electrically connected with the multichannel acquisition card module. According to the technical scheme, the multichannel acquisition card module is arranged on the test circuit board, so that when a user needs to replace the current sensor for testing different projects, the multichannel acquisition card module only needs to be opened for the channels of the projects to be tested, and another set of testing device does not need to be replaced, so that the effect of testing different projects on the same testing device is achieved, the number of the testing devices is reduced, and the testing efficiency is improved.

Description

Test device

Technical Field

The utility model relates to the technical field of testing, in particular to a testing device.

Background

A current sensor is a sensor device for detecting a current, also called a magnetic sensor. The current sensor can be applied to the scenes of household appliances, smart grids, electric vehicles, wind power generation and the like, so that the current sensor is an important component in the modern industry, and the requirements on precision and ageing resistance of the current sensor are also higher and higher. In order to ensure that the current sensor can be reliably applied to other devices after shipment, it is generally necessary to test several performances of the current sensor before shipment of the current sensor, and thus a test device for testing the performances of the current sensor has been developed. In the related art, when testing a plurality of test items of a current sensor, a large number of test devices are generally required, and the test cannot be performed by using the same test device.

Disclosure of Invention

The utility model mainly aims to provide a testing device, aiming at solving the problems that different testing devices are needed to be adopted when testing different testing items of a current sensor, so that the number of the testing devices is more and the testing devices cannot be commonly used.

In order to achieve the above purpose, the testing device provided by the utility model comprises a base component, a testing circuit board, a conductive component and a testing conductive rod. The test circuit board is mounted on the base assembly and comprises a power supply interface and a multichannel acquisition card module. The conductive component is arranged on the base component and is electrically connected with the power supply interface. The test conductive rod is electrically connected with the conductive component; the current sensor is arranged on the test conductive rod and is electrically connected with the multichannel acquisition card module.

According to the technical scheme, the multichannel acquisition card module is arranged on the test circuit board, so that a user can open a test channel corresponding to a test item according to the requirement of the test item. When the current sensor is electrically connected with the multichannel acquisition card module, the multichannel acquisition card module can acquire a data signal of the current sensor, so that the signal is sent to the monitoring display equipment at the rear end to be displayed on the monitoring display equipment. When the current sensor is required to be subjected to testing operation of different items, the channels of the multi-channel acquisition card module corresponding to the items to be tested are only required to be opened, and another set of testing device is not required to be replaced, so that the effect of testing the different items on the same testing device is realized, the number of the testing devices is reduced, the steps of disassembling and assembling the current sensor in the different testing devices are reduced, and the testing efficiency is improved. In addition, through setting up conductive component and test conducting rod, then can pass through conductive component with the electric current transfer of external power source to the test conducting rod on, and then on the rethread test guide rod passed to the current sensor of test conducting rod, afterwards the current sensor passes the electric current to the test circuit board on to realize the effect that current sensor and test circuit board electricity are connected. Meanwhile, the test conductive rod is in a strip shape and can bear a plurality of current sensors, so that the plurality of current sensors can be tested at one time, and the test efficiency is further improved.

In an embodiment, the multi-channel acquisition card module is further provided with a plurality of input ports, and the plurality of input ports are uniformly distributed at intervals.

By the arrangement, the current sensors inserted into the input ports are distributed uniformly, so that mutual interference among the current sensors is small in the testing process, and the testing stability is improved.

In one embodiment, the conductive assembly includes a first conductive member and a second conductive member. The first conductive piece is installed on the base assembly and is used for being electrically connected with the power supply interface. The second conductive member is mounted on the base assembly. The test conductive bars are provided with a plurality of test conductive bars, one end of at least one test conductive bar is connected with the first conductive piece, the other end of the at least one test conductive bar is connected with the second conductive piece, and two adjacent test conductive bars are connected in series through the second conductive piece.

By the arrangement, the test conductive rod and the conductive component can be connected together to form an S-shaped trend, so that excessive space occupation in a single direction is avoided.

In one embodiment, the first conductive member includes a first support block and a first connection plate. The first supporting block is mounted on the base assembly. The first connecting plate is provided with one, and is convexly arranged on one side of the first supporting block, which is away from the base assembly, and one end of at least one test conductive rod is connected with the first connecting plate.

By this arrangement, the first connection plate can be connected to one end of a test conductive rod, so as to supply current to the test conductive rod.

In one embodiment, the second conductive member includes a second support block and a second connection plate. The second supporting block is mounted on the base assembly. The second connecting plates are arranged in two, the two second connecting plates are both arranged on the second supporting blocks in a protruding mode, and the two second connecting plates are arranged at intervals. A test conductive bar is connected to a second connection plate.

By the arrangement, two second connecting plates are respectively connected with one test conductive rod, so that the effect of connecting two adjacent test conductive rods in series is achieved.

In one embodiment, the test conductive bars are arranged at intervals in the vertical length direction, and the tail end of one of every two adjacent test conductive bars and the head end of the other test conductive bar are respectively connected with two second connecting plates of the same second conductive piece. The first connecting plate is connected with the end part of the test conductive rod, which is not connected with the second conductive piece.

So set up, then make a plurality of test conducting bars be the winding mode connection that meanders through the second electrically conductive piece, the electric current also is winding trend to can realize the test conducting bar series connection that a plurality of intervals set up, and make the effect that current sensor on the test conducting bar that a plurality of intervals set up can test simultaneously, and then improved efficiency of software testing.

In one embodiment, the end of the test conductive rod connected with the first connecting plate is lapped on the first supporting block. One end of the test conductive rod connected with the second connecting plate is lapped on the second supporting block.

So set up, then can make first supporting shoe and second supporting shoe have better support spacing effect to the tip of test conducting rod respectively, can improve the current sensor that awaits measuring and have higher stability when installing on the test conducting rod then.

In one embodiment, the test conductive rod is detachably connected to the first conductive member; the test conductive rod is detachably connected with the second conductive piece.

The arrangement is convenient for disassembling and assembling the test conductive rod, the first conductive piece and the second conductive piece, so that the test conductive rod is convenient for workers to maintain or replace.

In one embodiment, the test conductive rod is bolted to the first conductive member; the test conductive rod is connected with the second conductive piece through bolts.

By the arrangement, the second conductive piece and the first conductive piece are more firmly connected with the test conductive rod. And, so set up, still be convenient for to test conductive rod and second electrically conductive piece and first electrically conductive piece dismouting.

In one embodiment, the base assembly includes a base plate, an insulating block, and a support column. The insulating block is fixedly arranged on the bottom plate, and the conductive component is fixedly connected to the insulating block. The test circuit board is fixedly arranged on the support column.

By the arrangement, the risk that the testing effect is affected due to the fact that the conductive component is electrically connected with the bottom plate and other external devices can be reduced. Meanwhile, the test circuit board can be prevented from being directly contacted with the bottom plate, so that the influence on the test result caused by serious abrasion between the bottom plate and the test circuit board can be avoided.

In one embodiment, the insulating block is threadably coupled to the conductive assembly; the insulating block is in threaded connection with the bottom plate.

So set up, then improved insulating piece, conductive component's connection steadiness, and be convenient for insulating piece and conductive component dismouting.

In one embodiment, the bottom plate is further provided with at least two handles, and the at least two handles are respectively close to two opposite side edges of the bottom plate.

So set up, then be convenient for the user to hold two handles to carry this testing arrangement. Meanwhile, by arranging at least two handles, a user can conveniently disassemble and assemble the testing device, and the problem that the installation effect and the testing result of the current sensor to be tested are affected due to the fact that the conductive assembly or the testing conductive rod is touched in the disassembly and assembly process is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a view angle of a testing device with a current sensor according to the present utility model;

FIG. 2 is a schematic view of a view angle of the testing device without a current sensor according to the present utility model;

FIG. 3 is a schematic view of another view angle of the testing device without the current sensor according to the present utility model;

FIG. 4 is a schematic diagram of a second conductive member of the testing apparatus according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a bottom plate of the testing device according to an embodiment of the present utility model;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a schematic diagram of an embodiment of an insulating block in a testing apparatus according to the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present utility model, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present utility model, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present utility model, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present utility model and for simplifying the description, rather than indicating or implying that the apparatus or component to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present utility model.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two components or interaction relationship between the two components. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

As technology advances, more and more devices are driven by clean electric power, such as home appliances, smart grids, electric vehicles, etc. In order to improve the stability of the use of these devices, current sensors are an important component in the modern industry, and the requirements for precision and ageing resistance are also increasing. However, current testing devices related to current sensors are usually single-channel testing devices, i.e. a set of testing devices can only test a single test item. If other test items are required to be tested, different test devices are required to be tested, so that the number of the conventional test devices is large, and the same test device cannot be commonly used.

In order to solve the problems that a conventional current sensor test device can only test a single test item, and a plurality of test devices are required to test a plurality of test items and one test device cannot be used for different test items, the utility model provides a test device for testing a current sensor.

In an embodiment of the present utility model, referring to fig. 1 to 3, the testing apparatus 10 includes a base assembly 110, a testing circuit board 120, a conductive assembly 130, and a testing conductive bar 140. The test circuit board 120 is mounted on the base assembly 110, and the test circuit board 120 includes a power supply interface (not shown) and a multi-channel acquisition card module (not shown). The conductive assembly 130 is mounted to the base assembly 110 and is electrically connected to the power supply interface. The test conductive bars 140 are electrically connected with the conductive assembly 130; the current sensor 20 is mounted to the test conductive bar 140 and is electrically connected to the multi-channel acquisition card module.

The base assembly 110 refers to an assembly for providing a mounting base for mounting the current sensor 20, the test circuit board 120, or the conductive assembly 130, and can make the mounting of these components more stable and firm. The base assembly 110 may include only a base plate 111, or may include a base plate 111, an insulating block 112 disposed on the base plate 111, etc., and the insulating block 112 may be used to support the conductive assembly 130 or the test circuit board 120.

The test circuit board 120 is a motherboard device for testing the current sensor to be tested. The test circuit board 120 includes a power interface and a multi-channel acquisition card module. The power interface is used to connect to an external power source, which is an interface used to power the current sensor 20 to be tested. Specifically, the conductive assembly 130 is electrically connected to the power supply interface, the test conductive rod 140 is electrically connected to the conductive assembly 130, and the current sensor to be tested is mounted on the test conductive rod 140, so that the power supply interface supplies power to the current sensor to be tested through the conductive assembly 130 and the test conductive rod 140.

The multi-channel acquisition card module is a module that collects signals on the test circuit board 120. A multi-channel acquisition card module refers to a module having multiple selection channels to enable selective testing of multiple performances of the current sensor 20. For example, the current output errors of the current sensors 20 may be selected to be tested, and then the channel corresponding to the test current output error is selected to be opened, so that the current output errors of all the current sensors 20 electrically connected to the test circuit board 120 are tested. Alternatively, the anti-aging degree of the current sensor 20 may be selected to be tested, so that the current sensor 20 and the testing device 10 are in a high temperature environment, and the channel corresponding to the item for testing the anti-aging degree is selected to be opened, so that the anti-aging degree of all the current sensors 20 electrically connected with the testing circuit board 120 may be tested. Alternatively, it is also possible to detect whether or not an internal component of the current sensor 20 is malfunctioning. At this time, the channel of the corresponding message of the multi-channel acquisition card module can be opened.

The conductive member 130 is a member to conduct electricity, and may include at least one of a bulk conductor, a sheet conductor, and a rod conductor. The conductive component 130 may be at least one of copper, aluminum or other conductive metals. To achieve better electrical conduction, the material of the optional conductive element 130 is copper or copper alloy. When the conductive assembly 130 is mounted on the base assembly 110, the conductive assembly may be connected by screw connection, clamping connection, bonding or the like. The multichannel acquisition module is provided with an input port and a communication output port. The input port is electrically connected to the current sensor 20, and is used for collecting data of the current sensor 20 through the input port. The communication output port is used for being connected with monitoring display equipment, such as current monitoring equipment or an upper computer. The current monitoring device is used for monitoring the current signal of each current sensor 20, so as to detect the performance test result of the current sensor 20. The upper computer is used for displaying the message, so that the fault inside the current sensor 20 can be identified through the message.

The current sensor 20 is provided with a through hole through which the conductive member is inserted. The test conductive rod 140 refers to a member for electrically connecting with the conductive member 130 and inserting into a through hole in the current sensor 20 to supply power to the current sensor 20. The test conductive bars 140 may be cylindrical, or may be in the form of strips or other rods. The test conductive bars 140 may be made of at least one of copper, aluminum, or other metals. By arranging the test conductive rod 140, the test device 10 can be provided with a plurality of current sensors 20 on the test conductive rod 140, and can test a plurality of current sensors 20 at the same time, thereby improving the test efficiency.

The test conductive bar 140 has opposite ends, and the conductive assembly 130 may include at least two conductive members, and the ends of the test conductive bar 140 may be connected to the two conductive members, respectively. One of the conductors is configured to be coupled to a power interface to power the plurality of current sensors 20 via the test conductor bar 140. Of course, the conductive assembly 130 may include only one conductive member so long as the test conductive bar 140 can be stably connected to the conductive member to achieve the effect of supplying power to the plurality of current sensors 20 on the test conductive bar 140 through the test conductive bar 140.

According to the technical scheme, the multi-channel acquisition card module is arranged on the test circuit board 120, so that a user can open a test channel corresponding to a test item according to the requirement of the test item. When the current sensor 20 is electrically connected with the multi-channel acquisition card module, the multi-channel acquisition card module can acquire a data signal of the current sensor 20, so that the signal is sent to the monitoring display device at the rear end to be displayed on the monitoring display device. When the current sensor 20 needs to be tested for different items, only the channels of the multi-channel acquisition card module corresponding to the items to be tested are required to be opened, and another set of testing device 10 is not required to be replaced, so that the effect of testing different items on the same testing device 10 is realized, the number of the testing devices 10 is reduced, the steps of disassembling and assembling the current sensor 20 in different testing devices 10 are reduced, and the testing efficiency is improved. In addition, by arranging the conductive component 130 and the test conductive rod 140, the current of the external power supply can be transferred to the test conductive rod 140 through the conductive component 130, and then transferred to the current sensor 20 of the test conductive rod 140 through the test guide rod, and then the current sensor 20 transfers the current to the test circuit board 120, so that the effect of electrically connecting the current sensor 20 and the test circuit board 120 is achieved. Meanwhile, the test conductive rod 140 is in a strip shape and can bear a plurality of current sensors 20, so that the plurality of current sensors 20 can be tested at one time, and the test efficiency is further improved.

In an example, the multi-channel acquisition card module is further provided with a plurality of input ports (not shown), and the plurality of input ports are uniformly distributed at intervals.

The input port is a port for inputting current information of the current sensor 20. In the present embodiment, the input port is an interface for electrically connecting to the current sensor 20.

Through setting up a plurality of input ports, a plurality of input ports are connected with multichannel acquisition card module, then make multichannel acquisition card module can gather the current information of the current sensor 20 who is connected with this input port through the input port, and then with this information transfer to current monitoring facilities or host computer again. In addition, the plurality of input ports are uniformly distributed at intervals, so that the current sensors 20 inserted into the input ports are uniformly distributed, mutual interference among the current sensors 20 is smaller in the testing process, and the testing stability is improved.

Further, a testing device of a standard current sensor may be disposed outside the testing device, it may be understood that the data measured by the plurality of current sensors 20 in the testing process may be compared with the test data of the standard current sensor, so that the multi-channel acquisition card module may collect the test data of the plurality of current sensors to be tested at the same time, so as to compare the test data of the current sensors to be tested with the test data of the standard current sensor, and to facilitate the subsequent distinction of qualified products and defective products. After the qualified products and the defective products are distinguished, the defective products can be uploaded to a database of the upper computer, and then the defective products are recalibrated in other procedures.

In an example, referring to fig. 1 to 3 in combination, the conductive assembly 130 includes a first conductive member 131 and a second conductive member 132. The first conductive member 131 is mounted on the base assembly 110 and is used for electrically connecting with a power supply interface. The second conductive member 132 is mounted to the base assembly 110. The test conductive bars 140 are provided with a plurality of test conductive bars 140, one end of at least one test conductive bar 140 is connected to the first conductive member 131, the other end is connected to the second conductive member 132, and two adjacent test conductive bars 140 are connected in series through the second conductive member 132.

The first conductive member 131 is electrically connected to the power supply interface, so that power can be supplied to the first conductive member 131, the test conductive rod 140, and the current sensor 20 disposed on the test conductive rod 140. The first conductive member 131 may be a sheet, a block, a bar, or the like. The material of the first conductive member 131 may be at least one of copper, aluminum or other conductive materials.

The second conductive member 132 is configured to electrically connect adjacent test conductive bars 140, so as to realize the series connection of a plurality of test conductive bars 140, and then realize the effect that all the current sensors 20 mounted on the test conductive bars 140 can be powered by only one external power source. The second conductive member 132 may be made of at least one of copper, aluminum or other conductive materials. Specifically, the second conductive member 132 may be a sheet, a block, a bar, or the like. The first conductive member 131 may have the same structure as the second conductive member 132 or may be different from the first conductive member.

At least two test conductive bars 140 may be disposed at intervals in the length direction thereof, and the two test conductive bars 140 are connected through the second conductive member 132. Or, at least two test conductive bars 140 may be disposed at intervals perpendicular to the length direction thereof, and two adjacent ends of the two test conductive bars 140 are connected by the second conductive member 132, so that the test conductive bars 140 and the conductive assembly 130 are jointly connected to form an S-shaped trend, so as to avoid occupying too much space in a single direction.

In an example, referring to fig. 1 to 3 in combination, the first conductive member 131 includes a first supporting block 1311 and a first connection plate 1312. The first support block 1311 is mounted to the base assembly 110. The first connection board 1312 is provided with one and is protruded on one side of the first support block 1311 away from the base assembly 110, and one end of at least one test conductive rod 140 is connected to the first connection board 1312.

The first supporting block 1311 is a supporting structure for supporting the first connecting plate 1312 and the test conductive rod 140, and in the technical scheme of the present utility model, the first supporting block 1311 has a block structure, which can increase the connection area between the first conductive member 131 and the base assembly 110, and improve the installation stability of the first conductive member 131.

The first connection board 1312 refers to a connection portion for connection with the test conductive bars 140. The material of first support block 1311 and first connection plate 1312 may be at least one of copper, aluminum, or other metal materials.

By providing a first connection plate 1312 on the first support block 1311, the first connection plate 1312 may be connected to one end of a test conductive bar 140, thereby supplying current to the test conductive bar 140.

In an example, referring to fig. 1 to 4 in combination, the second conductive member 132 includes a second supporting block 1321 and a second connecting plate 1322. The second support block 1321 is mounted to the base assembly 110. The two second connecting plates 1322 are provided, the two second connecting plates 1322 are both arranged on the second supporting block 1321 in a protruding mode, and the two second connecting plates 1322 are arranged at intervals. A test conductive rod 140 is connected to a second connection plate 1322.

The second supporting block 1321 is a supporting structure for supporting the second connecting plate 1322 and the test conductive rod 140, and in the technical solution of the present utility model, the second supporting block 1321 is a block structure, which can increase the connection area between the second conductive member 132 and the base assembly 110, and improve the installation stability of the second conductive member 132.

The second connection plate 1322 is a connection portion for connecting with the test conductive bar 140. The second supporting block 1321 and the second connecting plate 1322 may be made of at least one of copper, aluminum or other metal materials.

By arranging two second connection plates 1322 on the second supporting block 1321, the two second connection plates 1322 are respectively connected with one test conductive rod 140, so that the effect of connecting two adjacent test conductive rods 140 in series is achieved.

Further, referring to fig. 1 to 3, a plurality of test conductive bars 140 are disposed at intervals along the length direction thereof, and the tail end of one of each two adjacent test conductive bars 140 and the head end of the other test conductive bar are respectively connected to two second connection plates 1322 of the same second conductive member 132. The first connection plate 1312 is connected to an end of the test conductive bar 140, which is not connected to the second conductive member 132.

It will be appreciated that the test conductive bar 140 is elongated and thus has a length direction. By arranging the plurality of test conductive bars 140 at intervals in a direction perpendicular to the length direction thereof, the space occupied by the plurality of test conductive bars 140 in the length direction can be reduced.

The head end of the test conductive bar 140 refers to the end of the test conductive bar 140 through which current first passes. The tail end of the test conductive bar 140 refers to the end of the test conductive bar 140 through which current last passes. The direction of the current in the same test conductive bar 140 is the direction from the head end to the tail end of the test conductive bar 140.

Through connecting the tail end of one of the two adjacent test conductive bars 140 and the head end of the other of the two adjacent test conductive bars with the two second connecting plates 1322 of the same second conductive member 132 respectively, the plurality of test conductive bars 140 are connected in a winding way through the second conductive member 132, and the current also flows in a winding way, so that the series connection of the plurality of test conductive bars 140 arranged at intervals can be realized, the effect of testing the current sensors 20 on the plurality of test conductive bars 140 arranged at intervals can be simultaneously realized, and the testing efficiency is further improved.

Further, referring to fig. 1 to 3, an end of the test conductive rod 140 connected to the first connection board 1312 is overlapped on the first supporting block 1311. One end of the test conductive rod 140 connected to the second connection plate 1322 is overlapped on the second supporting block 1321.

The first supporting block 1311 is used for supporting one end of the test conductive rod 140 and one end of the first connecting plate 1312, so that the test conductive rod 140 and the first connecting plate 1312 have a more stable connection effect.

The end of the test conductive rod 140 and the second connecting plate 1322 are overlapped on the second supporting block 1321, which means that the second supporting block 1321 can support the end of the test conductive rod 140, so that the test conductive rod 140 and the second connecting plate 1322 have a more stable connection effect after being connected.

Through the one end overlap joint that is connected test conducting rod 140 and first connecting plate 1312 is on first supporting shoe 1311, and the one end overlap joint that is connected test conducting rod 140 and second connecting plate 1322 is on second supporting shoe 1321, then can make first supporting shoe 1311 and second supporting shoe 1321 have better support spacing effect to the tip of test conducting rod 140 respectively, then can improve the stability that has when the current sensor that awaits measuring is installed on test conducting rod 140.

In an example, please refer to fig. 1 to 3 in combination, the test conductive rod 140 is detachably connected to the first conductive member 131; the test conductive bar 140 is detachably connected to the second conductive member 132.

A detachable connection refers to a connection that allows two components to be connected in a detachable manner. The removable connection may include a threaded connection, a snap connection, a pin connection, etc.

By detachably connecting the test conductive bar 140 with the first conductive member 131, the test conductive bar 140 is detached from the first conductive member 131, thereby facilitating the maintenance or replacement of the test conductive bar 140 by a worker. By detachably connecting the test conductive bar to the second conductive member 132, the test conductive bar 140 is also easily removed from the second conductive member 132, thereby facilitating the maintenance or replacement of the test conductive bar 140 by a worker.

In an example, referring to fig. 1 to 3 in combination, the test conductive rod 140 is screwed with the first conductive member 131; the test conductive rod 140 is threadedly coupled to the second conductive member 132.

The threaded connection means that two plates are connected together by threads, and comprises bolt and nut connection, bolt welding spiral connection, screw buckle connection and tapping screw connection.

For ease of disassembly and fabrication, it may be preferred in this example that the test conductor bars 140 are bolted to the first conductive member 131. Specifically, when the test conductive rod 140 is connected to the first conductive member 131 through bolts and nuts, connection holes may be first formed in both the test conductive rod 140 and the first conductive member 131, and the bolts may pass through the connection holes in the test conductive rod 140 and the connection holes in the first conductive member 131. The bolt includes head and screw rod two parts, after the connecting hole on the test conducting rod 140 and the connecting hole on the first conducting piece 131 were worn to establish by the screw rod of bolt, the head of bolt carries out spacingly to test conducting rod 140 and first conducting piece 131, then the tip that head was kept away from to rethread nut and screw rod carries out screw thread fastening connection to make the head of bolt and nut clamp test conducting rod 140 jointly with first conducting piece 131, in order to realize that test conducting rod 140 has more firm connection effect with first conducting piece 131, and, so set up, still be convenient for carry out the dismouting to test conducting rod 140 and first conducting piece 131.

The test conductive rod 140 and the second conductive member 132 may also be connected by a bolt and a nut, and the connection manner is similar to that of the test conductive rod 140 and the first conductive member 131 described above, and will not be described in detail herein.

In an example, referring to fig. 1 to 3, the base assembly 110 includes a base plate 111, an insulating block 112, and a supporting column 113. The insulating block 112 is fixedly mounted on the bottom plate 111, and the conductive assembly 130 is fixedly connected to the insulating block 112. The test circuit board 120 is fixedly arranged on the support column 113.

The bottom board 111 is used for providing a mounting base for the test circuit board 120 and the conductive component 130, and is used for mounting the test device 10 on a platform of a test production line, so that the whole test device 10 is convenient to disassemble and assemble. The bottom plate 111 may be made of metal, plastic or wood. In order to provide the base plate 111 with the effect of high supporting strength and connecting strength, the base plate 111 may be preferably a metal base plate 111. The shape of the base plate 111 may be rectangular, circular, or other polygonal shape, etc. To reduce the footprint, it may be preferable that the shape of the bottom plate 111 may be adapted to the shape of the test wiring board 120.

The insulating block 112 is a block-shaped body that serves as an insulator. For example, the insulating block 112 may be made of an insulating material such as epoxy resin or rubber. The insulating block 112 may be provided with one, two or more blocks. When the insulating blocks 112 are provided with at least two, at least two insulating blocks 112 may be provided at intervals. By providing the insulating block 112 on the base plate 111, the conductive member 130 can be prevented from being electrically connected to the base plate 111 and other external devices to affect the test effect.

The supporting column 113 is a column for supporting the test circuit board 120. The support column 113 may be integrally connected to the bottom plate 111, or may be detachably connected to the bottom plate 111. The support columns 113 may be made of metal, such as copper, stainless steel, iron, etc. By fixing the test circuit board 120 on the support column 113, the test circuit board 120 can be prevented from directly contacting with the bottom plate 111, so that the test result can be prevented from being affected due to serious abrasion between the bottom plate 111 and the test circuit board 120.

Specifically, two insulating blocks 112 may be provided, two insulating blocks 112 are disposed at intervals, and a support column 113 is disposed between the two insulating blocks 112. By this arrangement, after the conductive components 130 are disposed on the two insulating blocks 112, the test conductive rod 140 can be at least partially located between the two insulating blocks 112, so as to be able to be correspondingly disposed on the test circuit board 120 between the two insulating blocks 112, so that the current sensor 20 on the test conductive rod 140 is convenient to be connected with the input port on the test circuit board 120.

Further, referring to fig. 1 to 4 and fig. 7, the insulating block 112 is screwed with the conductive component 130.

Specifically, the insulating block 112 and the bottom plate 111 are respectively provided with a first connecting hole 112a and a second connecting hole 111a, and a threaded blind hole 130a is formed on one side of the conductive component 130 facing the insulating block 112, and a screw penetrates through the second connecting hole 111a and the first connecting hole 112a, and then extends into the threaded blind hole 130a of the conductive component 130 to be in threaded connection with the threaded blind hole 130 a.

By this arrangement, the effect of screw connection of the insulating block 112, the conductive member 130, and the base plate 111 can be achieved. In addition, the tightening operation of the screws can be facilitated, avoiding the risk of loosening the screws to bring the conductive assembly 130 into contact electrical connection with the base plate 111.

Further, the diameter of the second connecting through hole 111a formed in the bottom plate 111 is larger than the diameter of the first connecting through hole 112a formed in the insulating block 112, so that the nut of the screw can abut against one side of the insulating block 112 away from the conductive component 130, and the nut can be located in the second connecting through hole 111a, so as to avoid the influence of the screw on the smooth supporting performance of the bottom plate 111.

Of course, in other embodiments, through holes may be provided in the conductive member 130 and blind holes may be provided in the insulating block 112, thereby avoiding the risk of screws passing through the insulating block 112 to connect with the base plate 111.

Further, referring to fig. 2 to 7 in combination, in order to improve the stability of the installation of the insulating block 112, the insulating block 112 is screwed with the bottom plate 111.

Specifically, the insulating block 112 is provided with a counter bore 112b, and the bottom plate 111 is provided with a screw hole 111b communicating with the counter bore 112 b. The screw penetrates through the counter bore 112b and extends into the screw hole 111b to be in threaded connection with the screw hole 111b. Alternatively, the bottom plate 111 is provided with a counter bore 112b, and the insulating block 112 is provided with a screw hole 111b communicating with the counter bore 112 b. The screw penetrates through the counter bore 112b and extends into the screw hole 111b to be in threaded connection with the screw hole 111b. This arrangement allows the insulating block 112 to be more firmly connected to the base plate 111.

Further, referring to fig. 1 to 3, at least two handles 150 are further disposed on the base plate 111, and the at least two handles 150 are respectively adjacent to two opposite sides of the base plate 111.

The handle 150 is a member for a user to hold. The handle 150 may be a U-shaped frame, T-shaped, or column. The handle 150 may be made of metal, plastic or other materials.

By further providing at least two handles 150 on the base 111, and by having the two handles 150 respectively adjacent to opposite sides of the base 111, a user can conveniently hold the two handles 150, so that the test device 10 can be transported and used in any suitable situation. Meanwhile, by arranging at least two handles 150, the user can conveniently disassemble and assemble the testing device 10, and the influence on the installation effect and the testing result of the current sensor to be tested caused by touching the conductive component 130 or testing the conductive rod 140 in the disassembly and assembly process is avoided.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (12)

1. A test device for testing a current sensor, comprising:

a base assembly;

the test circuit board is arranged on the base assembly and is provided with a power supply interface and a multichannel acquisition card module;

the conductive component is arranged on the base component and is electrically connected with the power supply interface; and

a test conductive bar electrically connected to the conductive assembly; the current sensor is arranged on the test conductive rod and is electrically connected with the multichannel acquisition card module.

2. The testing device of claim 1, wherein the multi-channel acquisition card module is further provided with a plurality of input ports, and the plurality of input ports are uniformly distributed at intervals.

3. The test apparatus of claim 1, wherein the conductive assembly comprises:

the first conductive piece is arranged on the base assembly and is used for being electrically connected with the power supply interface; and

the second conductive piece is arranged on the base assembly;

the test conductive bars are provided with a plurality of test conductive bars, one end of at least one test conductive bar is connected with the first conductive piece, the other end of the at least one test conductive bar is connected with the second conductive piece, and two adjacent test conductive bars are connected in series through the second conductive piece.

4. A test device as claimed in claim 3, wherein the first conductive member comprises:

the first supporting block is mounted on the base assembly; and

the first connecting plate is provided with one, and is convexly arranged on one side, deviating from the base assembly, of the first supporting block, and one end of at least one test conductive rod is connected with the first connecting plate.

5. The test device of claim 4, wherein the second conductive member comprises:

the second supporting block is mounted on the base assembly;

the two second connecting plates are arranged, are both arranged on the second supporting block in a protruding mode, and are arranged at intervals; one of the test conductive bars is connected with one of the second connecting plates.

6. The testing device according to claim 5, wherein a plurality of testing conductive bars are arranged at intervals in a direction perpendicular to the length direction of the testing conductive bars, and the tail end of one of every two adjacent testing conductive bars and the head end of the other testing conductive bar are respectively connected with two second connecting plates of the same second conductive piece; the first connecting plate is connected with the end part, which is not connected with the second conductive piece, of the test conductive rod.

7. The test device of claim 6, wherein an end of the test conductive rod connected to the first connection plate is overlapped on the first supporting block; and one end, connected with the second connecting plate, of the test conductive rod is lapped on the second supporting block.

8. The test device of claim 4, wherein the test conductive rod is detachably connected to the first conductive member; the test conductive rod is detachably connected with the second conductive piece.

9. The test device of claim 8, wherein the test conductive rod is threadably connected to the first conductive member; the test conductive rod is in threaded connection with the second conductive piece.

10. The test device of any one of claims 1 to 9, wherein the base assembly comprises:

a bottom plate;

the insulating block is fixedly arranged on the bottom plate, and the conductive component is fixedly connected to the insulating block; and

the support column, test circuit board is fixed to be located the support column.

11. The test device of claim 10, wherein the insulating block is threadably coupled to the base plate; the insulating block is in threaded connection with the conductive component.

12. The test device of claim 10, wherein the base plate is further provided with at least two handles, the at least two handles being positioned adjacent opposite sides of the base plate.