CN217133227U - Probe assembly and probe device - Google Patents

Abstract

The application discloses a probe subassembly and probe device. The probe assembly includes a first probe and a wire terminal. The first probe comprises a needle body and a probe body, the probe body is connected to one end of the needle body in an insulation mode, and the probe body is used for being in contact with a battery. The wiring terminal is electrically connected with the probe. The technical scheme that this application provided can solve among the prior art probe manufacturing cost height and the poor problem of overcurrent capacity.

Description

Probe assembly and probe device

Technical Field

The application relates to the technical field of probes, in particular to a probe assembly and a probe device.

Background

Energy conservation and emission reduction are the key points of sustainable development of the automobile industry, and electric vehicles become important components of the sustainable development of the automobile industry due to the advantages of energy conservation and environmental protection. For electric vehicles, battery technology is an important factor in its development.

Generally, before the battery is shipped, a test procedure is performed on the battery through a probe to ensure that the battery can work normally. However, the conventional probe has problems of high manufacturing cost and poor overcurrent capability.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a probe assembly and a probe apparatus, which can solve the problems of high manufacturing cost and poor overcurrent capability of the probe in the prior art.

In a first aspect, the present application provides a probe assembly comprising: the first probe comprises a needle body and a probe, the probe is connected to one end of the needle body in an insulating mode, and the probe is used for being in contact with a battery; and the wiring terminal is used for being electrically connected with the probe.

Compared with the scheme that the connecting terminal is arranged at one end, far away from the probe body, of the probe body and is connected with the probe body in a thread mode, current is conducted to the probe body through the threads and the probe body, the probe body is in insulation connection with the probe body, the probe is directly electrically connected with the connecting terminal, and the current does not pass through the threads and the probe body, so that the overcurrent area of the first probe can be effectively increased, the overcurrent capacity of the first probe is improved, and the working efficiency of the first probe is improved; meanwhile, the needle body is in insulation connection with the probe, so that the needle body does not need to be made of beryllium copper and other expensive conductive materials, and the manufacturing cost of the probe assembly is further reduced.

In some embodiments, the first probe further comprises a connector, the connector is connected to one end of the probe body in an insulation manner, and the probe head and the wiring terminal are both mounted on the connector.

Just make probe and binding post all install in the connecting piece through setting up the connecting piece for probe and binding post are integrated as an organic whole, are convenient for be connected with the needle body.

In some embodiments, the first probe further comprises a first insulating member, and the connecting member is connected to one end of the needle body through the first insulating member.

By arranging the first insulating part, the insulating connection between the needle body and the wiring terminal and between the needle body and the probe can be ensured, the current is directly conducted to the probe through the wiring terminal, and the overcurrent capacity of the first probe is ensured; simultaneously because keep apart through first insulating part between needle body and the connecting piece, so the needle body can adopt the higher metal material of intensity to make, and then the life of extension first probe.

In some embodiments, the pin body is removably connected to the first insulator.

Through setting up to detachably connection relation between needle body and the first insulating part, can be convenient for with the split of needle body and first insulating part, do benefit to the maintenance of first probe.

In some embodiments, the first insulating member is provided with a countersunk hole, one end of the pin body is provided with a limiting part, and the limiting part is embedded in the countersunk hole.

Through set up the counter sink on first insulating part, set up spacing portion in the one end of needle body, and with spacing portion and counter sink each other inlay the mode of establishing and assemble first insulating part and needle body, can reduce the connection degree of difficulty of first insulating part and needle body effectively, and then reduce the manufacturing cost of first probe.

In some embodiments, the first probe further comprises a second insulating member disposed between the connector and the needle body for insulating and isolating the connector and the needle body.

Because the form that adopts the counter sink to assemble between needle body and the first insulating part, so set up the second insulating part, with the needle body in the counter sink and towards the part and the connecting piece insulation isolation of connecting piece, can avoid taking place because of the needle body is made by metal material and takes place the condition emergence of electricity connection with the probe.

In some embodiments, the connector includes a body portion and a flange portion, the flange portion being formed at one end of the body portion, the flange portion being connected to the first insulating member by a threaded fastener, the terminal and the probe being sheathed in the body portion, the terminal being located between the flange portion and the probe.

The connecting piece is matched with the threaded fastener through the flange part, and can be detachably connected with the first insulating piece so as to conveniently replace the needle body; the wiring terminal and the probe are arranged to be sleeved on the body part, so that the wiring terminal and the probe are conveniently replaced, and the maintenance cost of the probe assembly is reduced.

In some embodiments, the probe is threadably connected to the body portion.

The probe is connected with the connecting piece in a threaded mode, so that the probe can be easily disassembled, and when the probe is damaged, the probe can be directly replaced, and the maintenance cost of the first probe is further reduced.

In some embodiments, the probe assembly further comprises a second probe mounted to the connector.

Through setting up the second probe for the probe subassembly has multiple functions, for example when first probe is the current probe, when the second probe is voltage probe, the probe subassembly can be through first probe to the battery charge-discharge, detects battery voltage through the second probe, ensures that the battery can normally work.

In some embodiments, the probe assembly further comprises a third insulating member, wherein the third insulating member is sleeved on the second probe and used for insulating and isolating the second probe and the connecting member.

Through setting up the third insulating part, can be effectively with connecting piece, probe and second probe mutual insulation, avoid short circuit between first probe and the second probe, guarantee that first probe and second probe realize respective function.

In some embodiments, the connector has a receiving cavity for receiving the second probe, an end of the second probe protruding from the receiving cavity for contacting the battery.

Through holding the chamber in the connecting piece setting, and set up the second probe in holding the chamber, can utilize the space of first probe effectively for probe subassembly compact structure reduces the area of probe subassembly.

In some embodiments, the needle body is provided with a first groove which is communicated with the accommodating cavity, the first insulating part is provided with a second groove, one end of the second groove is communicated with the first groove, and the other end of the second groove extends to the peripheral surface of the first insulating part; the probe assembly further comprises a conductive piece, the conductive piece is arranged in the first groove and the second groove, one end of the conductive piece is connected with the second probe, and the other end of the conductive piece extends out of the second groove.

Through being provided with first recess on the needle body, be provided with the second recess on first insulating part, and will electrically conductive piece sets up first recess and second recess, electrically conductive one end is connected with the second probe electricity, the other end of electrically conductive piece stretches out in the outer peripheral face of first insulating part, can utilize the space of first probe effectively, lets probe subassembly compact structure, also guarantees simultaneously that electrically conductive piece and probe, mutual insulation between the connecting piece take place the condition emergence of short circuit, avoids the second probe.

In some embodiments, the probe head is provided with a through hole from which one end of the second probe projects for contact with the battery.

Compare in the scheme that the second probe set up in one side of probe, set up the one end through with the second probe and stretch out for the through-hole by the probe, can do benefit to the second probe and aim at in the battery, guarantee that the second probe normally works, also can improve the area of contact between second probe and the battery, improve the detection accuracy of second probe to the battery.

In some embodiments, the probe assembly further comprises a fourth insulator disposed in the through hole for insulating and isolating the probe head and the second probe.

Through set up the fourth insulator in the through-hole, can insulate isolation probe and second probe effectively, avoid probe and second probe to take place the condition of short circuit, guarantee first probe and second probe normal work.

In some embodiments, the probe assembly further comprises: the mounting seat is provided with a mounting hole, and one end of the needle body, which is far away from the probe, is movably arranged in the mounting hole; and the elastic part is arranged between the mounting seat and the first probe and is used for applying elastic force to the first probe along the axial direction of the needle body.

The mounting seat can be used for being connected with the mounting plate, so that the whole probe assembly is mounted on the mounting plate, and the elastic piece is arranged between the mounting seat and the first probe, so that the first probe can float relative to the mounting seat along the axial direction of the probe body, the impact force of the probe assembly on a battery is reduced, and the service life of the probe assembly is prolonged; meanwhile, the elastic piece can apply elastic force to the first probe, so that the probe assembly can be ensured to be tightly attached to the battery, and further the working efficiency of the first probe and the second probe in the probe assembly is ensured.

In some embodiments, the mounting seat is provided with threads on an outer circumferential surface thereof.

Through setting up the screw thread at the outer peripheral face of mount pad for the mount pad is connected with the mounting panel through the mode of screw thread, thereby the accessible is twisted the mode of moving, adjusts the distance of mount pad for the mounting panel, and then adjusts the distance of probe subassembly for the mounting panel, with the battery of adaptation different specifications.

In a second aspect, the present application also provides a probe apparatus comprising: a mounting plate, and a plurality of probe assemblies as provided in any of the above embodiments, the probe assemblies disposed on the mounting plate.

Through set up a plurality of probe subassemblies on the mounting panel, can test the battery in batches, improve the efficiency of test battery.

The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic view of a probe device according to some embodiments of the present application;

FIG. 2 is a perspective view of a probe assembly according to some embodiments of the present application;

FIG. 3 is a schematic view of a probe assembly according to some embodiments of the present application;

FIG. 4 is a cross-sectional view of a probe assembly according to some embodiments of the present application;

FIG. 5 is an exploded perspective view of a probe assembly according to some embodiments of the present application;

FIG. 6 is a perspective view of a first insulator according to some embodiments of the present application;

FIG. 7 is a perspective view of a needle body according to some embodiments of the present application;

FIG. 8 is a perspective view of a connector according to some embodiments of the present application;

FIG. 9 is an exploded perspective view of a connector, wiring terminal and probe according to some embodiments of the present application;

FIG. 10 is a perspective view of a partial structure of a probe assembly according to some embodiments of the present application;

FIG. 11 is an exploded perspective view of a partial structure of a probe assembly according to some embodiments of the present application;

FIG. 12 is a perspective view of a probe head according to some embodiments of the present application.

Icon: 10-a probe assembly; 11-a first probe; 12-a connection terminal; 13-a second probe; 14-a third insulator; 15-a conductive member; 16-a fourth insulator; 17-a mounting seat; 18-an elastic member; 19-a gasket; 110-needle body; 111-a probe; 112-a connector; 113-a first insulator; 114-a second insulator; 120-a first portion; 121-a second portion; 170-mounting holes; 171-pin holes; 1100-a limiting part; 1101 — a first groove; 1102-strip-shaped holes; 1110-apical thread hole; 1111-through hole; 1111 a-square hole; 1120-a body portion; 1121-flange part; 1122-a receiving cavity; 1130-countersunk; 1131 — second groove;

20-mounting a plate; 30-probe device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

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 application belongs; the terminology used in the description of the application in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different elements and not for describing a particular sequential or chronological order.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase 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.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "attached" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The term "and/or" in this application is only one kind of association relationship describing the associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: there are three cases of A, A and B, and B. In addition, the character "/" in this application generally indicates that the former and latter related objects are in an "or" relationship.

In the embodiments of the present application, like reference numerals denote like parts, and a detailed description of the same parts is omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width and other dimensions of the various components in the embodiments of the present application and the overall thickness, length, width and other dimensions of the integrated device shown in the drawings are only exemplary and should not constitute any limitation to the present application.

At present, from the development of market conditions, electric vehicles become an important component of sustainable development of the automobile industry. The battery supplies energy for the travel of the vehicle body and the operation of various electrical components in the vehicle body. Generally, before the battery is shipped, a test procedure of charging and discharging the battery through a probe is required to ensure that the battery can work normally. However, the conventional probe has problems of high manufacturing cost and poor overcurrent capability.

The inventor finds out through research that the problems are caused because the probe and the needle body of the existing probe are electrically connected, the connecting terminal is fixed at one end of the needle body far away from the probe through two nuts, and current is conducted to the needle body through the screw threads and then conducted to the probe, so that the over-current area of the probe is small, the over-current capacity is poor, and the work efficiency of the probe is affected by the poor over-current capacity; meanwhile, the wiring terminal is arranged at one end of the needle body far away from the probe, so that the needle body is required to be made of materials with strong conductivity (the needle body and the probe of the existing probe are made of beryllium copper with high price), and further the manufacturing cost of the probe is high.

Based on the above considerations, in order to improve the overcurrent capability of the probe and reduce the manufacturing cost of the probe, the inventors have conducted extensive studies to design a probe assembly, including: the first probe comprises a needle body and a probe, the probe is connected to one end of the needle body in an insulating mode, and the probe is used for being in contact with a battery; and the wiring terminal is used for being electrically connected with the probe.

Compared with the scheme that the wiring terminal is arranged at one end, far away from the probe body, of the probe body and is connected with the probe body in a thread mode, current is conducted to the probe body through the thread and the probe body, the probe body is in insulation connection with the probe body, the probe is directly and electrically connected with the wiring terminal, the current does not pass through the thread and the probe body, the overcurrent area of the first probe can be effectively increased, the overcurrent capacity of the first probe is further improved, and the working efficiency of the first probe is improved; meanwhile, the needle body is in insulation connection with the probe, so that the needle body does not need to be made of beryllium copper and other expensive conductive materials, and the manufacturing cost of the probe assembly is further reduced.

The probe assembly disclosed in the embodiments of the present application can be used in, but is not limited to, an electrochemical device or other devices that can charge and discharge a battery or test the performance of a battery.

The technical scheme described in the embodiment of the application is suitable for formation equipment. The formation equipment is equipment for activating positive and negative active material layers in the battery in a charging and discharging mode after the battery is manufactured, improving the self-discharging, charging and discharging performance and storage performance of the battery, and testing the performance of the battery after the charging and discharging are completed.

The formation equipment comprises a probe device, and the probe device is a component which is in contact with the battery and is electrically connected with the battery so as to charge and discharge the battery or/and test the performance of the battery.

The following examples are provided to illustrate the probe device 30 for convenience of explanation.

FIG. 1 is a schematic view of a probe device 30 according to some embodiments of the present application.

The probe device 30 includes a mounting plate 20 and a plurality of probe assemblies 10, wherein the plurality of probe assemblies 10 are mounted on the mounting plate 20, the probe assemblies 10 correspond to the batteries, and the probe assemblies 10 are electrically connected to the batteries to perform a test procedure on the batteries. For example, when the probe assembly 10 has a current probe, the current probe is electrically connected to a battery, and the battery can be charged and discharged; when the probe assembly 10 has a voltage probe, the voltage probe is electrically connected to the battery, and voltage data of the battery can be detected.

The battery includes an electrode assembly including a positive electrode tab, a negative electrode tab, and a separator, and an electrolyte. The battery mainly depends on metal ions to move between the positive pole piece and the negative pole piece to work. The positive pole piece comprises a positive current collector and a positive active substance layer, and the positive active substance layer is coated on the surface of the positive current collector; the positive current collector comprises a positive current collecting part and a positive electrode lug, wherein the positive current collecting part is coated with a positive active substance layer, and the positive electrode lug is not coated with the positive active substance layer. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, the positive electrode active material layer includes a positive electrode active material, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate, or the like. The negative pole piece comprises a negative pole current collector and a negative pole active substance layer, and the negative pole active substance layer is coated on the surface of the negative pole current collector; the negative current collector comprises a negative current collecting part and a negative electrode lug, wherein the negative current collecting part is coated with a negative active material layer, and the negative electrode lug is not coated with the negative active material layer. The material of the negative electrode current collector may be copper, the negative electrode active material layer includes a negative electrode active material, and the negative electrode active material may be carbon, silicon, or the like. The material of the spacer may be PP (polypropylene) or PE (polyethylene).

The battery further includes a case for receiving the electrode assembly, the case having an opening, and an end cap covering the opening, the end cap being provided with an electrode lead-out hole for mounting an electrode terminal electrically connected to a tab of the electrode assembly through a current collecting member.

The probe assembly 10 performs a test procedure on the battery by contacting the electrode terminals.

In this application, the battery may include a lithium ion secondary battery cell, a lithium ion primary battery cell, a lithium sulfur battery cell, a sodium lithium ion battery cell, a sodium ion battery cell, a magnesium ion battery cell, or the like, which is not limited in this application.

Referring to fig. 2 and 3, according to some embodiments of the present application, fig. 2 is a perspective view of a probe assembly 10 according to some embodiments of the present application, and fig. 3 is a schematic view of the probe assembly 10 according to some embodiments of the present application. The present application provides a probe assembly 10 including a first probe 11 and a terminal block 12. First probe 11 includes a needle body 110 and a probe 111, probe 111 is connected to one end of needle body 110 in an insulated manner, and probe 111 is used for contacting a battery. The connection terminal 12 is used for electrical connection with the probe 111.

First probe 11 is a component for performing a test procedure on the battery, for example first probe 11 may be a current probe for charging and discharging the battery. The needle body 110 is a part to which the probe 111 is connected, the needle body 110 may be installed on the installation plate 20 of the probe device 30, the needle body 110 may be made of an insulating material, or the needle body 110 may be made of a metal material under the condition that mutual insulation between the needle body 110 and the probe 111 is ensured, so that the needle body 110 has certain strength, and the service life of the needle body 110 is ensured. The probe 111 is a member for contacting an electrode terminal of a battery and is electrically connected to the battery to perform a test procedure, and the probe 111 may be made of a material having good wire properties such as beryllium copper. The terminal 12 is a component that can be electrically connected to the probe 111, and current is conducted to the probe 111 through the terminal 12 to implement a test procedure for the battery.

Compared with the scheme that the wiring terminal 12 is arranged at one end, far away from the probe body 110, of the probe 111 through the nut, and current is conducted to the probe 111 through the needle body 110 through the thread of the nut, the scheme is that the probe is directly electrically connected with the wiring terminal 12 through the insulating connection of the probe body 110 and the probe 111, so that the overcurrent area of the first probe 11 can be effectively increased, the overcurrent capacity of the first probe 11 is further improved, and the working efficiency of the first probe 11 is improved; meanwhile, since the probe body 110 is connected to the probe 111 in an insulated manner, the probe body 110 does not need to be made of expensive materials such as beryllium copper, thereby reducing the manufacturing cost of the probe assembly 10.

Referring to fig. 4 and 5 in combination, according to some embodiments of the present application, fig. 4 is a cross-sectional view of a probe assembly 10 according to some embodiments of the present application, and fig. 5 is an exploded perspective view of the probe assembly 10 according to some embodiments of the present application. First probe 11 further includes a connector 112, connector 112 is connected to one end of needle body 110 in an insulated manner, and probe 111 and connection terminal 12 are mounted on connector 112.

The connector is a member for supporting the probe 111 and the connection terminal 12 and insulated from the needle body 110, i.e., the connector 112, the probe 111 and the connection terminal 12 can be regarded as an integrated structure, and collectively insulated from the needle body 110.

Through setting up connecting piece 112 and making probe 111 and binding post 12 all install in connecting piece 112 for probe 111 and binding post 12 integration are as an organic whole, are convenient for needle body 110 to connect.

According to some embodiments of the present application, first probe 11 further includes a first insulating member 113, and connector 112 is connected to one end of needle body 110 through first insulating member 113.

The first insulating member may be made of an insulating material, and the first insulating member 113 is a member that connects the needle body 110 and the connection member 112 and insulates the needle body 110 and the connection member 112 from each other.

By arranging the first insulating part 113, the insulating connection between the needle body 110 and the wiring terminal 12 and the probe 111 can be ensured, the current is directly conducted to the probe 111 through the wiring terminal 12, and the overcurrent capacity of the first probe 11 is ensured; meanwhile, since the needle body 110 and the connecting member 112 are isolated by the first insulating member 113, the needle body 110 may be made of a metal material having a high strength, thereby prolonging the service life of the first probe 11.

Alternatively, when the first insulating member 113 is provided, the connecting member 112 may be made of metal, which can increase the flow area of the first probe 11, thereby improving the flow capacity of the first probe 11.

According to some embodiments of the present application, the needle body 110 is detachably connected with the first insulating member 113.

The pointer body 110 and the first insulating part 113 can be detached from each other without destroying the structure of the pointer body 110 and the first insulating part 113, so that the pointer body 110 or the first insulating part 113 can be maintained independently, and the maintenance of the first insulating part 113 can mean the maintenance of the connecting part 112 connected to the first insulating part 113, the probe 111 and the connecting terminal 12.

By providing the needle body 110 and the first insulating member 113 in a detachably connecting relationship, detachment of the needle body 110 and the first insulating member 113 can be facilitated, facilitating maintenance of the first probe 11.

See fig. 6 and 7, according to some embodiments of the present application. Fig. 6 is a perspective view of the first insulator 113 according to some embodiments of the present application, and fig. 7 is a perspective view of the needle body 110 according to some embodiments of the present application. The first insulating member 113 is provided with a countersunk hole 1130, one end of the pin body 110 is provided with a limiting portion 1100, and the limiting portion 1100 is embedded in the countersunk hole 1130.

The first insulating member 113 may have a plate shape, and the counter bore 1130 may include two hole structures, the two hole structures are communicated with each other, a size of one hole structure is larger than that of the other hole structure, the hole structure with the larger size is disposed on a surface of the first insulating member 113 facing the connecting member 112, and the hole structure with the smaller size is disposed on a surface of the first insulating member 113 facing away from the connecting member 112.

One end of the needle body 110 departing from the position-limiting portion 1100 penetrates through the counter bore 1130 from the surface of the first insulating member 113 facing the connecting member 112, and the position-limiting portion 1100 is embedded in the counter bore 1130 and abuts against the wall of the counter bore 1130. Alternatively, the needle body 110 has a cylindrical shape, one end of which has a square stopper 1100, and the counter bore 1130 has a smaller hole structure in the form of a circular hole and a larger hole structure in the form of a square hole.

Through set up counter bore 1130 on first insulating part 113, set up spacing portion 1100 in the one end of needle body 110, and assemble first insulating part 113 and needle body 110 with the mode that spacing portion 1100 and counter bore 1130 were inlayed each other and were established, can reduce the connection degree of difficulty of first insulating part 113 and needle body 110 effectively, and then reduce the manufacturing cost of first probe 11.

According to some embodiments of the present application, first probe 11 further includes a second insulating member 114, and second insulating member 114 is disposed between connector 112 and needle body 110 for insulating connector 112 and needle body 110, as shown in fig. 5.

"disposed between the connector 112 and the needle body 110" means that the second insulation 114 is between the needle body 110 of the first insulation 113 and is disposed between the connector 112 and the surface of the needle body 110 facing the connector 112.

The second insulating member 114 may be made of an insulating material for insulating the connecting member 112 and the needle body 110 from each other. Alternatively, the second insulating member 114 may include an insulating rubber pad, which is disposed between the connecting member 112 and the needle body 110 and may also serve a buffering function in case of an insulating function.

Since the needle body 110 and the first insulating member 113 are assembled by using the form of the countersunk hole 1130, the second insulating member 114 is provided to insulate the portion of the needle body 110 facing the connector 112 in the countersunk hole from the connector 112, thereby preventing the occurrence of electrical connection with the probe 111 due to the fact that the needle body 110 is made of a metal material.

According to some embodiments of the present application, in conjunction with fig. 8 and 9, fig. 8 is a perspective view of a connector 112 according to some embodiments of the present application, and fig. 9 is an exploded perspective view of the connector 112, the wire terminal 12, and the probe 111 according to some embodiments of the present application. The connector 112 includes a body portion 1120 and a flange portion 1121, the flange portion 1121 is formed at one end of the body portion 1120, the flange portion 1121 is connected to a first insulating member 113 by a screw fastener, the terminal 12 and the probe 111 are sleeved on the body portion 1120, and the terminal 12 is located between the flange portion 1121 and the probe 111.

The body portion is a member connected to the terminal 12 and the probe 111, the body portion 1120 may be rod-shaped, so that both the probe 111 and the terminal 12 may be sleeved on the body portion 1120, and the terminal 12 is abutted against the flange portion 1121 by the probe 111, which is beneficial to structural stability of the terminal 12 and ensures stability of electrical connection between the terminal 12 and the probe 111. Alternatively, terminal 12 may be fixed to flange portion 1121 by a screw fastener to ensure stability of terminal 12, and when terminal 12 is fixed to flange portion 1121, when probe 111 is detached from connector 112 alone, terminal 12 is not affected. Optionally, referring to fig. 9, the connection terminal 12 includes a first portion 120 and a second portion 121, the first portion 120 and the second portion 121 are both plate-shaped and perpendicular to each other, the first portion 120 is attached to a surface of the probe 111 facing the connector 112 to be electrically connected to the probe 111, the first portion 120 is formed with a through hole to be sleeved on the body portion 1120, the second portion 121 extends in an axial direction of the probe 111 away from the probe 111 for receiving power to obtain current, and the current is conducted from the first portion 120 to the probe 111 through the second portion 121, so that the first probe 11 operates.

The flange portion 1121 is a member that is connected to the first insulating member 113 by a screw fastener (e.g., a screw), for example, the flange portion 1121 may be a plate-shaped structure formed at one end of the body portion 1120, the plate-shaped structure may be provided with a plurality of screw holes, a surface of the first insulating member 113 facing the flange portion 1121 is correspondingly provided with a plurality of screw holes, and the screw holes of the plate-shaped structure correspond to the screw holes of the first insulating member 113 and are connected by screws. The connecting member 112 can be detachably connected to the first insulating member 113 through the flange portion 1121, and the first insulating member 113 can be detached from the connecting member 112 by screwing the threaded fastener, so that the needle body 110 can be conveniently detached from the first insulating member 113, and the needle body 110 can be maintained independently, thereby reducing the maintenance cost of the probe assembly 10.

The connecting member 112 is engaged with the threaded fastener through the flange portion 1121, and can be detachably connected to the first insulating member 113, so as to conveniently replace the needle body 110; by arranging the connection terminal 12 and the probe 111 to be sleeved on the body portion 1120, the connection terminal 12 and the probe 111 can be conveniently replaced, and the maintenance cost of the probe assembly 10 can be further reduced.

According to some embodiments of the present application, the probe 111 is threadedly connected with the body portion 1120.

"the probe 111 is screwed with the body portion 1120" means that the probe 111 is formed with an internal thread or an external thread, and the body portion 1120 is formed with an external thread or an internal thread, so that the probe 111 and the body portion 1120 are screw-engaged with each other. Optionally, the surface of the probe 111 facing the wire connecting terminal 12 is formed with an internal thread to be fitted and screwed with the body portion 1120. Alternatively, a flat groove may be formed on the wall surface of the probe 111, which means that when the probe 111 is cylindrical, a flat surface is formed on the outer circumferential surface of the probe 111 to facilitate a wrench to screw the probe 111 to disassemble and assemble the probe 111. Alternatively, when the probe 111 is screwed with the body 1120 through an internal thread, a jack screw hole 1110 (see fig. 12) may be formed in the flat groove, and a screw hole communicates with the internal thread of the probe 111 (the axis of the jack screw hole 1110 is perpendicular to the axis of the hole structure in which the internal thread is located), so that when the jack screw is screwed into the jack screw hole 1110 and abuts against the body 1120, the connection stability between the probe 111 and the body 1120 can be effectively improved, and the probe 111 and the body 1120 are prevented from being loosened.

The probe is connected with the connecting piece 112 in a threaded manner, so that the probe 111 can be easily disassembled, and when the probe 111 is damaged, the probe 111 can be directly replaced, and the maintenance cost of the first probe 111 is further reduced.

Referring to fig. 10 and 11, according to some embodiments of the present application, fig. 10 is a perspective view of a partial structure of a probe assembly 10 according to some embodiments of the present application, and fig. 11 is an exploded perspective view of the partial structure of the probe assembly 10 according to some embodiments of the present application. The probe assembly further includes a second probe 13, the second probe 13 being mounted to the connector 112.

The second probe is a component for performing a test procedure on the battery, for example, the second probe 13 may be a voltage probe for detecting the voltage of the battery.

Through setting up second probe 13 for probe assembly 10 has multiple functions, for example when first probe 11 is the current probe, and second probe 13 is the voltage probe, probe assembly 10 can carry out charge-discharge to the battery through first probe 11, detects battery voltage through second probe 13, ensures that the battery can normally work.

According to some embodiments of the present disclosure, the probe assembly 10 further includes a third insulating member 14, and the third insulating member 14 is disposed around the second probe 13 for insulating and isolating the second probe 13 and the connecting member 112.

The third insulating member may be made of an insulating material to insulate and isolate the second probe 13 and the connecting member 112. The third insulating member 14 may be cylindrical to be sleeved on the second probe 13, an inner wall of the third insulating member 14 may contact the second probe 13, and an outer surface of the third insulating member 14 may contact the connecting member 112.

By arranging the third insulating part 14, the connecting part 112, the probe 111 and the second probe 13 can be effectively insulated from each other, short circuit between the first probe 11 and the second probe 13 is avoided, and the first probe 11 and the second probe 13 are ensured to realize respective functions.

According to some embodiments of the present application, connector 112 has a receiving cavity 1122 for receiving second probe 13, and one end of second probe 13 extends from receiving cavity 1122 for contacting a battery.

The receiving cavity refers to a hole structure for receiving the second probe 13 and allows one end of the second probe 13 to protrude to contact the battery.

By providing the accommodating cavity 1122 on the connecting member 112 and providing the second probe 13 in the accommodating cavity 1122, the space of the first probe 11 can be effectively utilized, so that the probe assembly 10 has a compact structure and the floor space of the probe assembly 10 is reduced.

According to some embodiments of the present application, please refer to fig. 4, fig. 6 and fig. 7, a first groove 1101 is formed on the pin body 110, the first groove 1101 is communicated with the accommodating chamber 1122, a second groove 1131 is formed on the first insulating member 113, one end of the second groove 1131 is communicated with the first groove 1101, and the other end extends to the outer circumferential surface of the first insulating member 113; probe assembly 10 further includes a conductive member 15, conductive member 15 disposed within first recess 1101 and second recess 1131, conductive member 15 having one end connected to second probe 13 and another end extending from second recess 1131.

The conductive member is a member electrically connected to the second probe 13 for conducting current to the second probe 13 so that the second probe 13 performs a test procedure on the battery. One end of the second probe 13 is used for contacting the battery, and the other end of the second probe 13 is connected with the conductive member 15 in the axial direction of the second probe 13.

The first groove 1101 is a groove structure disposed on an end surface of the pin body 110 facing the first insulating member 113, and is used for accommodating the conductive member 15. Optionally, a first groove 1101 is formed on an end surface of the stopper 1100 of the needle body 110 facing the first insulating member 113.

The second recessed groove 1131 is a groove structure disposed on the first insulating member 113 and is used for accommodating the conductive member 15, and the second recessed groove 1131 extends to the outer peripheral surface of the first insulating member 113 to lead out the conductive member 15 for facilitating electrical connection. Optionally, a second groove 1131 is formed on the surface of the counter bore 1130, so as to communicate with the first groove 1101 on the position-limiting portion 1100. "power up" directs that the portion of the electrical element 15 outside the first insulator 113 can conveniently draw current to conduct the current to the second probe 13 for operation of the second probe 13. Optionally, since the second insulating member 114 is disposed between the connecting member 112 and the needle body 110, the second insulating member 114 can also insulate the conductive member 15 from the connecting member 112, thereby preventing the second probe 13 and the probe 111 from short-circuiting.

Through being provided with first recess 1101 on needle body 110, be provided with second recess 1131 on first insulating part 113, and set up first recess 1101 and second recess 1131 with conductive piece 15, conductive piece 15 one end is connected with second probe 13 electricity, conductive piece 15 other end stretches out in the peripheral face of first insulating part 113, can utilize the space of first probe 11 effectively, let probe subassembly 10 compact structure, also guarantee simultaneously that conductive piece 15 and probe 111, mutual insulation between the connecting piece 112, avoid the second probe 13 to take place the condition of short circuit and take place.

Referring to fig. 11 and 12, fig. 12 is a perspective view of a probe 111 according to some embodiments of the present application. The probe 111 is provided with a through-hole 1111, and one end of the second probe 13 protrudes from the through-hole 1111 for contact with the battery.

The through hole is a hole structure disposed on the probe 111, an opening at one end of the through hole 1111 is formed on an end surface of the probe 111 far from the connector 112, an opening at the other end of the through hole 1111 is communicated with the accommodating cavity 1122 of the connector 112 for a portion of the second probe 13 protruding from the accommodating cavity 1122, and the second probe 13 can protrude from the through hole 1111 to contact the battery. Alternatively, the axis of the through-hole 1111 may be coaxial with the axis of the probe 111, i.e. in case the probe 111 is able to contact the battery, the second probe 13 can be aligned and in contact with the battery.

Compare in the scheme that second probe 13 set up in one side of probe 111, set up the one end through with second probe 13 and stretch out for the through-hole 1111 by probe 111, can do benefit to second probe 13 and aim at the battery, guarantee that second probe 13 normally works, also can improve the area of contact between second probe 13 and the battery, improve the detection accuracy of second probe 13 to the battery.

According to some embodiments of the present application, the probe assembly 10 further includes a fourth insulator 16, the fourth insulator 16 being disposed in the through hole 1111 for insulating the isolation probe 111 and the second probe 13.

The fourth insulating member 16 may be made of an insulating material, and may insulate the probe 111 and the second probe 13 from each other to prevent the probe 111 and the second probe 13 from being short-circuited. Alternatively, referring to fig. 11, the through hole 1111 of the probe 111 may include a cylindrical hole coaxial with the probe 111 and a square hole 1111a at an end of the cylindrical hole remote from the connection member 112, the square hole 1111a extending in a direction orthogonal to the axial direction of the probe 111 and penetrating the outer circumferential surface of the probe 111. In the cylindrical hole, the second probe 13 is positioned in a third insulating part 14, and the third insulating part 14 can isolate the wall of the cylindrical hole from the second probe 13; in the square hole 1111a, the second probe 13 is located in a fourth insulating member 16, the fourth insulating member 16 can isolate the wall of the square hole 1111a from the second probe 13, wherein the fourth insulating member 16 can be square to match with the square hole 1111a, and the surface of the fourth insulating member 16 facing the cylindrical hole can be formed with a hole structure for the second probe 13 to pass through.

Through set up fourth insulator 16 in through-hole 1111, can insulate isolation probe 111 and second probe 13 effectively, avoid the condition that probe 111 and second probe 13 take place the short circuit, guarantee first probe 11 and second probe 13 normal work.

Please refer to fig. 2-5, according to some embodiments of the present application. The probe assembly 10 also includes a mount 17 and a resilient member 18. The mounting base 17 has a mounting hole 170, and one end of the needle body 110 away from the probe 111 is movably disposed in the mounting hole 170. Elastic member 18 is provided between mount 17 and first probe 11 for applying an elastic force to first probe 11 in the axial direction of needle body 110.

In the probe apparatus 30, the probe assembly 10 may be connected with the mounting plate 20 through the mounting seat 17, i.e., the mounting seat 17 may be a component for connecting with the mounting plate 20, so that the probe assembly 10 is mounted on the mounting plate 20.

The mounting hole 170 is a hole structure provided on the mounting seat 17 for receiving an end of the needle 110 away from the probe 111 so that the needle 110 is movable relative to the mounting seat 17 in an axial direction of the probe 111. Alternatively, the mounting bore 170 is an elongated bore extending axially along the probe 111, and the end of the needle body 110 distal from the probe 111 is received in the elongated bore. The portion of the needle body 110 received in the elongated hole is formed with a strip-shaped hole 1102 extending in the axial direction of the probe 111. The wall surface of the mounting seat 17 is formed with a pin hole 171, the pin hole 171 communicates with a strip hole 1102, and a pin passes through the pin hole 171 and the strip hole 1102 to assemble the mounting seat 17 and the needle body 110 so that the needle body 110 can move relative to the mounting seat 17.

Elastic member 18 is a member having elasticity, and is disposed between mount 17 and first probe 11 for applying an elastic force to first probe 11 in the axial direction of needle body 110. The elastic force acts to buffer the force between the battery and the probe 111 when the probe 111 is docked to contact the battery, and the probe 111 can be brought close to the battery by the elastic force. Alternatively, the elastic member 18 may comprise a spring and a sleeve connected to each other, the spring and the sleeve are sleeved on the needle body 110, one end of the spring away from the sleeve abuts against the mounting seat 17, and one end of the sleeve away from the spring abuts against the first insulating member 113. Optionally, a gasket 19 may be disposed between the sleeve and the first insulator 113, and a gasket 19 may be disposed between the spring and the mounting seat 17, so that the gasket 19 is disposed to prevent the force of the spring from damaging the first insulator 113 and the mounting seat 17, thereby effectively prolonging the service life of the probe assembly 10.

The mounting seat can be used for being connected with the mounting plate 20, so that the whole probe assembly 10 is mounted on the mounting plate 20, and the elastic piece 18 is arranged between the mounting seat 17 and the first probe 11, so that the first probe 11 can float relative to the mounting seat 17 along the axial direction of the probe body 110, the impact force caused by the probe assembly 10 acting on the battery is reduced, and the service life of the probe assembly 10 is prolonged; meanwhile, the elastic member 18 applies an elastic force to the first probe 11, so that the probe assembly 10 can be ensured to be closely attached to the battery, and further, the working efficiency of the first probe 11 and the second probe 13 in the probe assembly 10 can be ensured.

According to some embodiments of the present application, the mounting seat 17 is provided with a thread on its outer circumferential surface.

The threads are arranged on the outer peripheral surface of the mounting seat 17, so that the mounting seat 17 is connected with the mounting plate 20 in a threaded mode, the distance between the mounting seat 17 and the mounting plate 20 can be adjusted in a screwing mode, and then the distance between the probe assembly 10 and the mounting plate 20 is adjusted to adapt to batteries with different specifications.

There is also provided a probe apparatus 30 according to some embodiments of the present application, the probe apparatus 30 including a mounting plate 20 and a plurality of probe assemblies 10 as described in the above embodiments, the probe assemblies 10 being disposed on the mounting plate 20. By providing a plurality of probe assemblies 10 on the mounting plate 20, batteries can be tested in batches, improving the efficiency of testing batteries.

Please refer to fig. 2-12, in accordance with some embodiments of the present application. The present application also provides a probe assembly 10, the probe assembly 10 including a first probe 11, an insulated terminal, a third insulating member 14, a conductive member 15, a fourth insulating member 16, a mounting seat 17, and an elastic member 18. The first probe 11 is a current probe and the second probe 13 is a voltage probe.

First probe 11 includes a needle body 110, a probe head 111, a connector 112, a first insulator 113, and a second insulator 114. The connecting member 112 includes a body portion 1120 and a flange portion 1121, and the terminal 12 is sleeved on the body portion 1120 and fixed to the flange portion 1121 by a threaded fastener, such as a screw. The probe 111 is sleeved on the body portion 1120 and is in threaded connection with the body portion 1120, and the probe 111 and the body portion 1120 can be fixed by a jackscrew, so that the situation that threads are loosened between the probe 111 and the body portion 1120 is avoided. Terminal 12 is held between probe 111 and flange 1121, and terminal 12 is electrically connected to probe 111. The connecting member 112 is connected to the first insulating portion through the flange portion 1121 in cooperation with the threaded fastener, the first insulating portion is assembled with the needle body 110 in a manner of the counter bore 1130, and in order to ensure insulation between the needle body 110 and the connecting member 112, i.e., to ensure the probe 111 to be connected to the needle body 110 in an insulation manner, the second insulating member 114 is disposed between the connecting member 112 and the needle body 110. The needle body 110 is in insulation connection with the probe 111, and the probe is directly and electrically connected with the wiring terminal 12, so that the overcurrent area of the first probe 11 can be effectively increased, the overcurrent capacity of the first probe 11 is further improved, and the working efficiency of the first probe 11 is improved; by threadably connecting the probe 111 to the connector 112, the probe 111 can be separately serviced, reducing the maintenance cost of the probe assembly 10.

One end of the needle body 110 departing from the connecting piece 112 is formed with a strip-shaped hole 1102 and is located in the mounting hole 170 of the mounting seat 17, the wall surface of the mounting seat 17 is formed with a pin hole corresponding to the strip-shaped hole 1102, and the needle body 110 and the mounting seat 17 are assembled by penetrating the pin hole and the strip-shaped hole 1102 through a pin, so that the needle body 110 can move relative to the mounting seat 17. The elastic member 18 is disposed between the mounting seat 17 and the first probe 11, and applies an elastic force to the first probe 11 along the axial direction of the probe body 110, so that the probe body 110 can float in the axial direction of the probe body 110 relative to the mounting seat 17 to buffer the impact force of the probe assembly 10 when the battery is docked, and prolong the service life of the probe assembly 10. The outer peripheral surface of the mounting block 17 is provided with threads for screw-fitting with the mounting plate 20 of the probe device 30, so that the relative position of the probe assembly 10 with respect to the mounting plate 20 can be adjusted by screwing the mounting block 17.

The probe 111 is provided with a through hole 1111, the connector 112 is provided with a receiving chamber 1122, the second probe 13 is received in the receiving chamber 1122, and the through hole 1111 is extended to contact the battery. The second probe 13 is insulated from the connector 112 and the probe head 111 by the third and fourth insulators 14 and 16 to avoid short-circuiting with the first probe 11. The conductive member 15 is connected to an end of the second probe 13 away from the probe 111, and is led out to an outer circumferential surface of the first insulating member 113 through the first groove 1101 on the needle body 110 and the second groove 1131 on the first insulating member 113. Compare in the scheme that second probe 13 set up in one side of probe 111, set up the one end through with second probe 13 and stretch out for the through-hole 1111 by probe 111, can do benefit to second probe 13 and aim at the battery, guarantee that second probe 13 normally works, also can improve the area of contact between second probe 13 and the battery, improve the detection accuracy of second probe 13 to the battery.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (17)

1. A probe assembly, comprising:

the first probe comprises a needle body and a probe, the probe is connected to one end of the needle body in an insulating mode, and the probe is used for being in contact with a battery;

and the wiring terminal is used for being electrically connected with the probe, and the current does not pass through the needle body.

2. The probe assembly of claim 1,

the first probe further comprises a connecting piece, the connecting piece is connected to one end of the needle body in an insulating mode, and the probe and the wiring terminal are installed on the connecting piece.

3. The probe assembly of claim 2,

the first probe also comprises a first insulating part, and the connecting part is connected to one end of the needle body through the first insulating part.

4. The probe assembly of claim 3,

the pin body is detachably connected with the first insulating part.

5. The probe assembly of claim 4,

the first insulating part is provided with a countersunk hole, one end of the needle body is provided with a limiting part, and the limiting part is embedded in the countersunk hole.

6. The probe assembly of claim 5,

the first probe also comprises a second insulating part, and the second insulating part is arranged between the connecting part and the needle body and used for insulating and isolating the connecting part and the needle body.

7. The probe assembly of claim 3,

the connecting piece comprises a body part and a flange part, the flange part is formed at one end of the body part and is connected to the first insulating part through a threaded fastener, the wiring terminal and the probe are sleeved on the body part, and the wiring terminal is located between the flange part and the probe.

8. The probe assembly of claim 7,

the probe is in threaded connection with the body portion.

9. The probe assembly of claim 3,

the probe assembly also includes a second probe mounted to the connector.

10. The probe assembly of claim 9,

the probe assembly further comprises a third insulating piece, and the third insulating piece is sleeved on the second probe and used for insulating and isolating the second probe and the connecting piece.

11. The probe assembly of claim 9,

the connector has a receiving cavity for receiving the second probe, one end of the second probe protruding from the receiving cavity for contacting the battery.

12. The probe assembly of claim 11,

a first groove is formed in the needle body and is communicated with the accommodating cavity, a second groove is formed in the first insulating part, one end of the second groove is communicated with the first groove, and the other end of the second groove extends to the outer peripheral surface of the first insulating part;

the probe component further comprises a conductive piece, the conductive piece is arranged in the first groove and the second groove, one end of the conductive piece is connected with the second probe, and the other end of the conductive piece extends out of the second groove.

13. The probe assembly of claim 9,

the probe is provided with a through hole from which one end of the second probe protrudes for contact with the battery.

14. The probe assembly of claim 13,

the probe assembly further comprises a fourth insulating piece, and the fourth insulating piece is arranged in the through hole and used for insulating and isolating the probe and the second probe.

15. The probe assembly of any one of claims 1-14,

the probe assembly further includes:

the mounting seat is provided with a mounting hole, and one end of the needle body, which is far away from the probe, is movably arranged in the mounting hole;

and the elastic part is arranged between the mounting seat and the first probe and is used for applying elastic force to the first probe along the axial direction of the needle body.

16. The probe assembly as recited in claim 15,

and the peripheral surface of the mounting seat is provided with threads.

17. A probe apparatus, comprising:

a mounting plate, and

a plurality of probe assemblies according to any one of claims 1-16 disposed on the mounting plate.

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