CN211123191U

CN211123191U - Lithium battery capacity grading detection cabinet and power line protection clamp thereof

Info

Publication number: CN211123191U
Application number: CN201921781843.4U
Authority: CN
Inventors: 何江源; 陈泽伟; 刘水养
Original assignee: Dongguan Chuangming Battery Technology Co Ltd
Current assignee: Dongguan Chuangming Battery Technology Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-28
Anticipated expiration: 2029-10-22

Abstract

The utility model belongs to the technical field of the lithium cell, a lithium cell partial volume detects cabinet and power supply line protection anchor clamps thereof is disclosed. The power line protection clamp comprises a protective cover arranged on the cabinet, the protective cover covers all power lines which leak to the cathode probe of the cabinet, and an avoidance notch is formed in the position, corresponding to the quick clamp on the cabinet, of the protective cover, so that the avoidance notch of the protective cover can be extended out when the quick clamp is opened. Avoid the breach through having seted up on the protective cover to can supply to press from both sides fast and stretch out from the breach of dodging of visor when opening, and guarantee on the one hand that battery charge and discharge detects unaffected, on the other hand prevents effectively that the in-process of operation from colliding the friction with power supply line, has avoided the disconnection of battery circuit soldering tin and to the harmful effects that battery charge and discharge caused.

Description

Lithium battery capacity grading detection cabinet and power line protection clamp thereof

Technical Field

The utility model belongs to the technical field of the lithium cell, more specifically say, relate to a lithium cell partial volume detects cabinet and power supply line protection anchor clamps thereof.

Background

The lithium cell partial volume detects the cabinet is the indispensable check out test set of lithium cell, and this detection cabinet has a plurality of charge-discharge stations, realizes the synchronous detection of a plurality of batteries. In the process of battery detection, an external chuck is required to clamp a negative probe conducting circuit of the detection cabinet to realize the detection of the battery.

However, the power supply line of the cathode probe of the conventional detection cabinet is usually exposed outside, and when the detection cabinet is operated, the power supply line is easy to collide and rub with the power supply line, so that the soldering tin of the battery line is disconnected, and the charging and discharging effects of the battery are adversely affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell partial volume detects cabinet and power supply line protection anchor clamps thereof aims at solving the technical problem of the easy disconnection of detection cabinet among the prior art battery line soldering tin in the use.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a power supply line protects anchor clamps, power supply line protects anchor clamps including locating the visor on the rack, all outer hourglass of visor closing cap in the power cord of the negative pole probe of rack, the visor corresponds the position of pressing from both sides fast on the rack has been seted up and has been dodged the breach, so that can follow when pressing from both sides fast and opening dodge the breach of visor and stretch out.

Further, the protective cover comprises a top plate, a first side plate and two opposite second side plates, the first side plate is connected to the top plate, the first side plate is located on one side far away from the negative probe, the avoiding notch is formed in the bottom of the protective cover and the side portion close to the negative probe respectively, and the avoiding notch extends to the top plate from the first side plate.

Further, the first side plate and the second side plate are perpendicular to the top plate, at least one inclined plate is connected between the top plate and the first side plate, included angles between the inclined plates and the vertical direction are gradually reduced from top to bottom, a first notch is formed in the first side plate, second notches which are sequentially communicated are respectively formed in the inclined plates, the second notches are close to the first side plate and communicated with the first notches, and the first notches and the second notches jointly form the avoidance notches.

Further, the distance between the two side walls of the first gap is equal to the distance between the two side walls of the second gap.

Furthermore, the protective cover is further provided with a screw used for installing the protective cover on the cabinet, the protective cover is provided with a through hole, and the screw penetrates through the through hole to be connected with the cabinet in a matched mode.

Furthermore, the number of the through holes is two, and the through holes are respectively distributed at two ends of the protective cover.

Further, the visor is stamping forming spare or sheet metal component.

Further, the outer surface of the protective cover is provided with a protective layer.

The invention also provides a lithium battery capacity grading detection cabinet, which further comprises the power supply circuit protection clamp arranged on the cabinet.

Furthermore, the lithium battery capacity grading detection cabinet further comprises negative probe clamps used for clamping the negative probes, the negative probes are arranged in one-to-one correspondence with the charge and discharge potentials, and the power line protection clamp is detachably connected with the negative probe clamps.

The utility model provides a power supply line protection anchor clamps's beneficial effect lies in: compared with the prior art, the power line protection clamp of the utility model can be used for sealing the power line of the negative electrode probe which is leaked outside the cabinet by arranging the protective cover on the cabinet; avoid the breach through having seted up on the protective cover to can supply to press from both sides fast and stretch out from the breach of dodging of visor when opening, like this, guarantee on the one hand that battery charge-discharge detects unaffected, on the other hand prevents effectively to bump the friction with power supply line in getting the operation process of putting the battery, has avoided battery circuit soldering tin disconnection and to the harmful effects that battery charge-discharge caused.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the embodiments or the drawings needed in the prior art description, and obviously, the drawings in the following description are only some embodiments of the embodiments, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a power line protection clamp according to an embodiment of the present invention;

fig. 2 is an exploded view of a power line protection clamp according to an embodiment of the present invention;

fig. 3 is a view angle structure diagram of a protection cover according to an embodiment of the present invention;

fig. 4 is a structural diagram of another view angle of the protection cover according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-negative probe clamp; 11-negative probe; 12-a power line; 13-quick clamping; 131-a base; 132-elbow clip; 133-a push rod; 14-vertical plates; 15-transverse baffles;

2-a protective cover; 21-a top plate; 22-a first side panel; 220-first gap; 23-a second side panel; 24-avoiding the notch; 25-inclined plates; 250-a second notch; 26-through the hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, it should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative concepts or reference to the normal use state of the product, and should not be considered as restrictive, and the implementation of the present invention will be described in detail with reference to the specific embodiments below.

As shown in fig. 1-4, an embodiment of the utility model provides a power supply line protection anchor clamps, including rack (the attached drawing does not make), a plurality of charge and discharge positions have on this rack, each charge and discharge position can carry out charge and discharge detection to the lithium cell simultaneously, still be equipped with negative pole probe 11 on this rack, still be equipped with power cord 12 on negative pole probe 11, still install visor 2 on above-mentioned rack, this visor 2 can be dismantled with the rack and be connected, and this visor 2 can the closing cap power cord 12 of negative pole probe 11 on all racks, seted up on above-mentioned visor 2 and dodge breach 24, should dodge breach 24 and correspond the position setting of quick clamp 13, should dodge breach 24 and can be followed when can making the quick clamp open and dodge breach 24 and stretch out. Like this, through being equipped with visor 2 on the rack to can be used to the power cord 12 that the closing cap leaks out negative pole probe 11 on the rack, guarantee on the one hand that battery charge and discharge detects not influenced, on the other hand prevents effectively to bump the friction with power supply line in getting the operation process of putting the battery, has avoided battery circuit soldering tin disconnection and to the harmful effects that battery charge and discharge caused.

Further, please refer to fig. 3 and fig. 4, as a specific embodiment of the power line protection clamp provided by the present invention, the protection cover 2 includes a top plate 21, a first side plate 22 and two second side plates 23, the first side plate 22 is connected to the top plate 21, each second side plate 23 is connected to the top plate 21, the first side plate 22 is located at one side of the negative probe 11, the bottom of the protection cover 2 and the side portion near the negative probe 11 are respectively provided with the above-mentioned avoiding gap 24, and the avoiding gap 24 extends from the first side plate 22 to the top plate 21. Therefore, the first side plate 22, the two second side plates 23 and the top plate 21 are connected with each other, so that a protective shell can be formed, the charging and discharging detection of the battery is not influenced, and meanwhile, collision and friction with a power supply circuit in the process of battery taking and placing operation are avoided; by extending the escape notch 24 from the first side plate 22 to the top plate 21, a larger escape space is provided for the quick clamp 13, and the quick clamp 13 is facilitated to be opened.

Specifically, in this embodiment, referring to fig. 2, the quick clamp 13 includes a base 131, an elbow clamp 132 and a push rod 133 are disposed on the base 131, the elbow clamp 132 is rotatably disposed on the base 131, an included angle is formed between an axial direction of the elbow clamp 132 and an axial direction of the push rod 133, the included angle ranges from 45 to 180 °, that is, when the included angle formed between the elbow clamp 132 and the push rod 133 is acute, the elbow clamp 132 and the push rod 133 can clamp one side of the protection cover 2, and when the included angle formed between the elbow clamp 132 and the push rod 133 is obtuse, the quick clamp 13 is opened, and the quick clamp 13 releases the protection cover 2, which is quick and convenient.

Further, please refer to fig. 3, as a specific embodiment of the power line protection clamp provided by the present invention, the first side plate 22 is perpendicular to the top plate 21, the second side plate 23 is perpendicular to the top plate 21, at least one inclined plate 25 is connected between the top plate 21 and the first side plate 22, an included angle between each inclined plate 25 and the vertical direction is gradually reduced from top to bottom, the first side plate 22 is provided with a first gap 220, each inclined plate 25 is provided with a second gap 250, the second gap 250 is communicated with the first gap 220, and the first gap 220 and each second gap 250 jointly form the above-mentioned avoiding gap 24. The collision with the power supply circuit in the operation process is avoided, and the first notch 220 and the second notch 250 are combined, so that a larger avoiding space is provided for the quick clamp 13, and the quick clamp 13 can be opened and closed.

Preferably, in this embodiment, the inclined plate 25 may be replaced by a straight plate or an arc plate, so that the processing amount of the protection cover 2 is reduced and the processing efficiency is enhanced by replacing the inclined plate with the straight plate or the arc plate. Of course, in the present embodiment, the inclined plate 25 may be replaced with a plate-like structure having another shape, and this is not limited to the only one.

Further, referring to fig. 3, as a specific embodiment of the power line protection clamp provided by the present invention,the distance between the two sidewalls of the first gap 220 is equal to the distance between the two sidewalls of the second gap 250. Specifically, as shown in fig. 2, the distance between the two sidewalls of the first notch 220 is d₁As shown, the distance between the two sidewalls of the second gap 250 is d₂In the present embodiment, d is shown₁＝d₂Therefore, the distance between the two notches is set to be equal, subsequent machining is reduced, and machining cost is reduced. Of course, according to practical conditions and specific requirements, the distance between the two sidewalls of the first notch 220 may be greater than or equal to the distance between the two sidewalls of the second notch 250, which is not limited herein.

Preferably, d is as defined above₁Is 30 mm, so that the first notch 220 can be ensured to have a large enough space for accommodating the probe, of course, the d₁And may be 28 mm, 32 mm, 34 mm, 40 mm, etc., without limitation.

Further, referring to fig. 3 and 4, as an embodiment of the power line protection clamp according to the present invention, a screw (not shown) is further disposed on the protection cover 2, and the screw can be used to mount the protection cover 2 on the cabinet, specifically, a through hole 26 is disposed on the protection cover 2, and the screw can pass through the through hole 26 to be detachably connected with the cabinet. Thus, one end of the protective cover 2 is positioned on the machine cabinet through the screw, and the other end of the protective cover 2 is positioned on the machine cabinet through the quick clamp 13, so that the protective cover 2 is stably installed.

Preferably, in this embodiment, the through hole 26 is a threaded hole, so that the fixed connection of the protective cover 2 to the frame can be better achieved.

Further, referring to fig. 3 and 4, as a specific embodiment of the power line protection clamp provided by the present invention, the number of the through holes 26 is two, and the through holes 26 are respectively distributed at two ends of the protection cover 2. Through arranging like this for visor 2 is fixed on the rack betterly, has avoided visor 2 to take place to rock in the use, influences the result of use.

Preferably, in this embodiment, the protective cover 2 is a stamped and formed part, the process is simple to prepare, is convenient to process, has low requirements on equipment, and can implement large-scale production, and of course, the protective cover 2 may also be a sheet metal part, which is not limited herein.

Preferably, a protective layer (not shown in the figures) is further disposed on the surface of the protective cover 2, and the protective layer can prevent an operator from getting an electric shock during use, thereby improving the safety of use.

The utility model discloses a another embodiment still provides a lithium cell partial volume detects cabinet, including the rack that has a plurality of charge-discharge potential and foretell power supply line protection anchor clamps. Specifically, this lithium cell partial volume detects cabinet includes negative pole probe anchor clamps 1, and this negative pole probe anchor clamps 1 is used for each negative pole probe 11 of clamping, and each negative pole probe 11 sets up with each charge-discharge potential one-to-one, and this power supply line protection anchor clamps can dismantle with negative pole probe 11 anchor clamps and be connected. In this way, the negative probe 11 is positioned by the negative probe clamp 1, so that the negative probe is conducted with an external circuit, and the charging and discharging test of the lithium battery is realized.

In this embodiment, please refer to fig. 2, the negative probe clamp 1 includes a vertical plate 14 and two horizontal baffles 15, the two horizontal baffles 15 are respectively disposed at two ends of the vertical plate 14, a through hole (not shown in the drawing) is formed in the vertical plate 14, the through hole can be passed through by the negative probe 11, the vertical plate 14 and the two horizontal baffles 15 are combined to form a U-shape, so as to better protect the negative probe 11 and prevent the negative probe 11 from being exposed, and in addition, the through hole is disposed, so as to position the negative probe 11, and the negative probe 11 is relatively stably inserted into the hole.

Preferably, in this embodiment, one end of the push rod 133 on the quick clamp 13 extends outward to abut against the vertical plate 14, so as to better clamp the protective cover 2, and increase the pre-tightening force for clamping the protective cover 2, and of course, the push rod 133 may be disposed in other shapes according to actual situations and specific requirements, and is not limited herein.

In this embodiment, the protection cover 2 can cover the negative probe clamp 1, so as to achieve better coverage of the negative probe 11 and the power line 12.

In this embodiment, the negative electrode probe clamp 1 is provided, so that the negative electrode probe 11 and the power line 12 can be well protected; through the arrangement of the protective cover 2 and the protective cover 2 covering the cathode probe clamp 1, the cathode probe 11 and the power line 12 are further covered, and collision and friction with a power line in the process of battery taking and placing operation are avoided.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Power supply line protects anchor clamps, its characterized in that, power supply line protects anchor clamps including locating the visor on the rack, all outer hourglass of visor closing cap in the power cord of the negative pole probe of rack, the visor corresponds the position of pressing from both sides fast on the rack has been seted up and has been dodged the breach, so that can follow when pressing from both sides fast and opening dodge the breach of visor and stretch out.

2. The power line protection clamp of claim 1, wherein the protection cover includes a top plate, and a first side plate and two opposite second side plates connected to the top plate, the first side plate is located on a side away from the negative probe, the bottom of the protection cover and a side close to the negative probe are respectively provided with the avoidance notch, and the avoidance notch extends from the first side plate to the top plate.

3. The power line protection jig according to claim 2, wherein the first side plate and the second side plate are perpendicular to the top plate, at least one inclined plate is connected between the top plate and the first side plate, an included angle between each inclined plate and a vertical direction is gradually reduced from top to bottom, the first side plate is provided with a first notch, each inclined plate is provided with a second notch which is sequentially communicated, the second notch close to the first side plate is communicated with the first notch, and the first notch and each second notch together form the avoidance notch.

4. The power line protection clip of claim 3 wherein the distance between the two sidewalls of the first indentation is equal to the distance between the two sidewalls of the second indentation.

5. The power line protection clamp of claim 1, wherein the protective cover further comprises a screw for mounting the protective cover on the cabinet, the protective cover further comprises a through hole, and the screw passes through the through hole to be connected with the cabinet.

6. The power line protection clip of claim 5, wherein the number of the through holes is two, and the through holes are respectively distributed at two ends of the protection cover.

7. The power line protection clip of any one of claims 1 to 5, wherein the protective cover is a stamped and formed part or a sheet metal part.

8. The power line protection clip of claim 7 wherein the protective cover has a protective layer on an outer surface thereof.

9. A lithium battery capacity grading detection cabinet comprises a cabinet with a plurality of charging and discharging potentials, and is characterized by further comprising the power supply line protection clamp as claimed in any one of claims 1 to 8, wherein the power supply line protection clamp is arranged on the cabinet.

10. The lithium battery capacity grading detection cabinet as claimed in claim 9, further comprising a negative probe clamp for clamping each negative probe, wherein each negative probe is arranged in one-to-one correspondence with each charge and discharge potential, and the power line protection clamp is detachably connected to the negative probe clamp.