CN219016531U

CN219016531U - Voltage detector for lithium battery pack

Info

Publication number: CN219016531U
Application number: CN202223434014.3U
Authority: CN
Inventors: 闫芹; 冯维鑫
Original assignee: Lianyungang Jiuxin New Energy Technology Co ltd
Current assignee: Lianyungang Jiuxin New Energy Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-12
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the technical field of lithium batteries and discloses a voltage detector for a lithium battery pack, which comprises a main body mechanism, a supporting detection mechanism and a protection mechanism, wherein the supporting detection mechanism is positioned above the main body mechanism, the protection mechanism is positioned at the front end of the main body mechanism, the main body mechanism comprises a detector body, a box cover and a handle, the box cover is movably arranged at the upper end of the detector body, and the handle is fixedly arranged in the middle of the upper end of the box cover. This voltage detector for lithium cell group through installation support detection mechanism, is convenient for release the detector body to detect the support frame through the operation to electric putter one, through the operation to driving motor, is convenient for drive the loading board and supports according to the size regulation of being detected lithium cell group, through the operation to electric putter two, has realized that detection module presss from both sides tightly to the lithium cell group that detects of different specification sizes and detects, has improved the suitability of device.

Description

Voltage detector for lithium battery pack

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a voltage detector for a lithium battery pack.

Background

The lithium ion battery has the advantages of being large in cycle use times, long in storage time and the like, so that the lithium ion battery is widely used, along with the development of an electric tool, the lithium battery pack is increasingly required to be formed by connecting a plurality of lithium batteries in series, in the initial time of battery operation, the voltage hysteresis phenomenon that the voltage of the battery is reduced firstly and then rises is generated, the circuit cannot work normally due to the voltage hysteresis of the battery, the battery is mistakenly considered to be dead, the battery is discarded, the resource waste is caused, the battery is over-discharged to possibly leak liquid and even explode, and therefore the voltage detection of the lithium battery pack is very important.

In the prior art, the voltage detection device for the lithium battery pack is usually oversized, is arranged at a fixed detection place, and needs to transport the detected lithium battery pack to the detection place for detection, so that the flexibility is poor, and the working efficiency is reduced.

In order to solve the problem that lithium battery voltage detection device flexibility is relatively poor, the prior art adopts comparatively convenient voltage detector to detect, but voltage detector exists that lithium battery places unstable condition in voltage detection process and appears, can't be fine consolidate the detection to lithium battery, and then leads to the problem that the testing result is not accurate enough to appear.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a voltage detector for a lithium battery pack, which aims to solve the problem that the voltage detector is inconvenient to clamp and fix the detected lithium battery pack in the working process in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a voltage detector for lithium cell group, includes main part mechanism, supports detection mechanism and protection machanism, it is located main part mechanism's top to support detection mechanism, protection machanism is located main part mechanism's front end, main part mechanism includes detector body, case lid and handle, case lid movable mounting is in the upper end of detector body, handle fixed mounting is in the middle part of case lid upper end, it includes supporting baseplate, electric putter one, push rod one, detection support frame, recess, driving motor, axis of rotation, limiting plate, lead screw, positioning nut, loading board, connecting plate, electric putter two, push rod two, insulating clamping plate, detection module and power source to support detection mechanism, supporting baseplate fixed mounting is in the left end of the inside lower extreme of detector body.

Preferably, the first electric putter fixed mounting is in the left and right sides both ends of supporting baseplate upper end, a movable mounting of catch bar is in the upper end of first electric putter, detect support frame fixed mounting in the upper end of catch bar, start electric putter one and be convenient for adjust a length of catch bar, the catch bar one is convenient for promote to detect the support frame and stretches out the inside detection of detector body.

Preferably, the recess is fixed to be set up in the inside left and right sides both ends of detection support frame, drive motor fixed mounting is at the rear end of recess, axis of rotation fixed mounting is at the driving end of drive motor front end, limiting plate fixed mounting is at the front end of axis of rotation, lead screw fixed mounting is at the front end of limiting plate, locating nut movable mounting is in the upper end of lead screw, and drive motor work is convenient for drive locating nut and is rectilinear motion on the lead screw.

Preferably, the loading board fixed mounting is at the inner of locating nut, connecting plate fixed mounting is at the middle part at both ends around the detection support frame upper end, electric putter second fixed mounting is at the inner of connecting plate, push rod second movable mounting is at electric putter second's inner, starts electric putter second and is convenient for adjust push rod second length.

Preferably, the insulating clamping plate is fixedly arranged at the inner end of the pushing rod II, the detection module is fixedly arranged at the inner end of the insulating clamping plate, the power interface is fixedly arranged at the upper end of the left end of the front end of the detector body, and the detection module is convenient for detecting the voltage condition of the lithium battery pack.

Preferably, the protection machanism includes that the guard pin, insurance detain, activity buckle, display screen, regulation and control button, siren and instrument place the storehouse, guard pin fixed mounting is at the middle part of case lid lower extreme front end, insurance detains fixed mounting at the middle part of detector body front end, insurance detains swing joint guard pin, activity buckle movable mounting is at the left end that insurance detained, and the design of insurance detains has improved the protectiveness of detector body.

Preferably, the display screen fixed mounting is in the left end of case lid lower extreme, display screen electric connection detection module, regulation and control button movable mounting is in the right-hand member of case lid lower extreme, siren fixed mounting is in the front end of case lid lower extreme right-hand member, and when the voltage of being detected the lithium cell when detecting surpasses normal range, the siren sends out the warning and plays the effect of warning.

Preferably, the alarm electric connection detection module, the tool is placed the storehouse and is fixed to be set up in the inside right-hand member of detector body, and the setting in storehouse is placed to the tool, is convenient for place the appurtenance that voltage detection used, has improved the practicality of device.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the voltage detector for the lithium battery pack, the detection mechanism is supported through installation, the detection support frame is conveniently pushed out of the detector body to be detected through operation of the first electric push rod, the bearing plate is conveniently driven to be supported according to size adjustment of the detected lithium battery pack through operation of the transmission motor, clamping detection of the detected lithium battery pack with different specifications and sizes by the detection module is realized through operation of the second electric push rod, and applicability of the device is improved;

2. according to the voltage detector for the lithium battery pack, the protection mechanism is installed, the protection performance of the detector body is improved through the design of the safety buckle, the alarm is convenient to mount, and when the voltage of the detected lithium battery pack exceeds the normal range during detection, an alarm is given out, so that the function of warning is achieved, and the safety of the device is improved;

3. this voltage detector for lithium cell group places storehouse through mounting tool, is convenient for place the appurtenance that voltage detection used, has realized that the instrument is put orderly, shortens the time of looking for the instrument, has improved the practicality of device.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the three-dimensional structure of the detector body according to the present utility model;

FIG. 3 is a schematic perspective view of a protective mechanism according to the present utility model;

FIG. 4 is a schematic diagram of a three-dimensional structure of a detecting support frame according to the present utility model;

FIG. 5 is a schematic perspective view of a carrier plate according to the present utility model;

fig. 6 is a schematic perspective view of a detection module according to the present utility model.

In the figure: 1. a main body mechanism; 101. a detector body; 102. a case cover; 103. a handle; 2. supporting the detection mechanism; 201. a support base plate; 202. an electric push rod I; 203. pushing the first rod; 204. detecting a supporting frame; 205. a groove; 206. a drive motor; 207. a rotating shaft; 208. a limiting plate; 209. a screw rod; 210. positioning a nut; 211. a carrying plate; 212. a connecting plate; 213. an electric push rod II; 214. pushing the second rod; 215. an insulating clamping plate; 216. a detection module; 217. a power interface; 3. a protective mechanism; 301. a safety pin; 302. a safety buckle; 303. a movable buckle; 304. a display screen; 305. a control button; 306. an alarm; 307. and (5) placing the tool in a bin.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a voltage detector for lithium cell group, including main body mechanism 1, support detection mechanism 2 and protection machanism 3, support detection mechanism 2 is located the top of main body mechanism 1, protection machanism 3 is located the front end of main body mechanism 1, main body mechanism 1 includes detector body 101, case lid 102 and handle 103, case lid 102 movable mounting is in the upper end of detector body 101, handle 103 fixed mounting is in the middle part of case lid 102 upper end, support detection mechanism 2 includes supporting baseplate 201, electric putter one 202, push rod one 203, detect support frame 204, recess 205, drive motor 206, axis of rotation 207, limiting plate 208, lead screw 209, positioning nut 210, loading board 211, connecting plate 212, electric putter two 213, push rod two 214, insulating clamping plate 215, detection module 216 and power interface 217, supporting baseplate 201 fixed mounting is in the left end of the inside lower extreme of detector body 101.

The first electric push rod 202 is fixedly arranged at the left end and the right end of the upper end of the supporting bottom plate 201, the first push rod 203 is movably arranged at the upper end of the first electric push rod 202, the detection support frame 204 is fixedly arranged at the upper end of the first push rod 203, the groove 205 is fixedly arranged at the left end and the right end of the inside of the detection support frame 204, the transmission motor 206 is fixedly arranged at the rear end of the groove 205, the rotating shaft 207 is fixedly arranged at the transmission end of the front end of the transmission motor 206, the limiting plate 208 is fixedly arranged at the front end of the rotating shaft 207, the screw rod 209 is fixedly arranged at the front end of the limiting plate 208, the positioning nut 210 is movably arranged at the upper end of the screw rod 209, the bearing plate 211 is fixedly arranged at the inner end of the positioning nut 210, the connecting plate 212 is fixedly arranged in the middle of the front end and the rear end of the upper end of the detection support frame 204, the second electric push rod 213 is fixedly arranged at the inner end of the connecting plate 212, the second push rod 214 is movably arranged at the inner end of the second electric push rod 213, the insulation clamping plate 215 is fixedly arranged at the inner end of the pushing rod II 214, the detection module 216 is fixedly arranged at the inner end of the insulation clamping plate 215, the power interface 217 is fixedly arranged at the upper end of the left end of the front end of the detector body 101, a power line is connected through the power interface 217, the electric pushing rod I202 is started to adjust the length of the pushing rod I203, the pushing rod I203 pushes the detection supporting frame 204 to push out of the detector body 101, the driving motor 206 works to drive the positioning nut 210 to do linear motion on the screw rod 209, the positioning nut 210 drives the bearing plate 211 to adjust the supporting range of the detection supporting frame 204 according to the size of a detected battery pack, after the bearing plate is placed, the electric pushing rod II 213 is started to adjust the length of the pushing rod II 214, the pushing rod II 214 pushes the insulation clamping plate 215 to clamp the detected lithium battery pack, the detection module 216 is brought into full contact with the lithium battery pack to be detected to start operation.

The protection mechanism 3 comprises a safety pin 301, a safety buckle 302, a movable buckle 303, a display screen 304, a regulating button 305, an alarm 306 and a tool placement bin 307, wherein the safety pin 301 is fixedly arranged in the middle of the front end of the lower end of the box cover 102, the safety buckle 302 is fixedly arranged in the middle of the front end of the detector body 101, the safety buckle 302 is movably connected with the safety pin 301, the movable buckle 303 is movably arranged at the left end of the safety buckle 302, the display screen 304 is fixedly arranged at the left end of the lower end of the box cover 102, the display screen 304 is electrically connected with the detection module 216, the regulating button 305 is movably arranged at the right end of the lower end of the box cover 102, the alarm 306 is fixedly arranged at the front end of the right end of the lower end of the box cover 102, the alarm 306 is electrically connected with the detection module 216, the tool placement bin 307 is fixedly arranged at the right end of the inside of the detector body 101, the handle 103 is pulled to move the detector body 101 to a place where the operation is needed, the movable buckle 303 is pressed down to enable the safety pin 301 to be separated from the safety buckle 302, the detection module 216 displays the voltage data of the detected battery pack on the display screen 304, and the alarm 306 is sent out when the detected voltage of the lithium battery pack exceeds a normal range.

Working principle: when the device is used, the handle 103 is pulled to move the detector body 101 to a place where the detector body needs to work, the movable buckle 303 is pressed to enable the safety pin 301 to be separated from the safety buckle 302, a power line is connected through the power interface 217, the electric push rod 202 is started to adjust the length of the push rod 203, the push rod 203 pushes the detection support frame 204 to push out the detector body 101, the transmission motor 206 works to drive the positioning nut 210 to do linear motion on the screw rod 209, the positioning nut 210 drives the bearing plate 211 to adjust the supporting range of the detection support frame 204 according to the size of the detected battery pack, after the device is placed, the electric push rod 213 is started to adjust the length of the push rod 214, the push rod 214 pushes the insulating clamping plate 215 to clamp the detected lithium battery pack, the detection module 216 is enabled to fully contact the detected lithium battery pack to start working, the detection module 216 displays the voltage data of the detected battery pack on the display screen 304, and the alarm 306 gives an alarm when the voltage of the detected lithium battery pack exceeds a normal range.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a voltage detector for lithium cell group, includes main part mechanism (1), supports detection mechanism (2) and protection machanism (3), its characterized in that: support detection mechanism (2) are located the top of main body mechanism (1), protection machanism (3) are located the front end of main body mechanism (1), main body mechanism (1) are including detector body (101), case lid (102) and handle (103), case lid (102) movable mounting is in the upper end of detector body (101), handle (103) fixed mounting is in the middle part of case lid (102) upper end, support detection mechanism (2) include supporting baseplate (201), electric putter one (202), catch bar one (203), detect support frame (204), recess (205), driving motor (206), axis of rotation (207), limiting plate (208), lead screw (209), set nut (210), loading board (211), connecting plate (212), electric putter two (213), catch bar two (214), insulating clamp plate (215), detection module (216) and power source (217), supporting baseplate (201) fixed mounting is in the left end of the inside lower extreme of detector body (101).

2. The voltage detector for a lithium battery pack according to claim 1, wherein: the first electric push rod (202) is fixedly arranged at the left end and the right end of the upper end of the supporting bottom plate (201), the first push rod (203) is movably arranged at the upper end of the first electric push rod (202), and the detection support frame (204) is fixedly arranged at the upper end of the first push rod (203).

3. The voltage detector for a lithium battery pack according to claim 2, wherein: the utility model discloses a detection support frame, including recess (205), locating nut (210), drive motor (206), locating plate (208), locating nut (209), recess (205) are fixed to be set up at the inside left and right sides both ends of detection support frame (204), drive motor (206) fixed mounting is at the rear end of recess (205), axis of rotation (207) fixed mounting is at the driving end of drive motor (206) front end, locating plate (208) fixed mounting is at the front end of axis of rotation (207), lead screw (209) fixed mounting is at the front end of locating plate (208), locating nut (210) movable mounting is at the upper end of lead screw (209).

4. A voltage detector for a lithium battery pack according to claim 3, wherein: the bearing plate (211) is fixedly arranged at the inner end of the positioning nut (210), the connecting plate (212) is fixedly arranged in the middle of the front end and the rear end of the upper end of the detection supporting frame (204), the second electric push rod (213) is fixedly arranged at the inner end of the connecting plate (212), and the second push rod (214) is movably arranged at the inner end of the second electric push rod (213).

5. The voltage detector for a lithium battery pack according to claim 4, wherein: the insulation clamping plate (215) is fixedly arranged at the inner end of the pushing rod II (214), the detection module (216) is fixedly arranged at the inner end of the insulation clamping plate (215), and the power interface (217) is fixedly arranged at the upper end of the left end of the front end of the detector body (101).

6. The voltage detector for a lithium battery pack according to claim 5, wherein: the protection mechanism (3) comprises a safety pin (301), a safety buckle (302), a movable buckle (303), a display screen (304), a regulating button (305), an alarm (306) and a tool placement bin (307), wherein the safety pin (301) is fixedly arranged in the middle of the front end of the lower end of the box cover (102), the safety buckle (302) is fixedly arranged in the middle of the front end of the detector body (101), the safety buckle (302) is movably connected with the safety pin (301), and the movable buckle (303) is movably arranged at the left end of the safety buckle (302).

7. The voltage detector for a lithium battery pack according to claim 6, wherein: the display screen (304) is fixedly arranged at the left end of the lower end of the box cover (102), the display screen (304) is electrically connected with the detection module (216), the regulating button (305) is movably arranged at the right end of the lower end of the box cover (102), and the alarm (306) is fixedly arranged at the front end of the right end of the lower end of the box cover (102).

8. The voltage detector for a lithium battery pack according to claim 7, wherein: the alarm (306) is electrically connected with the detection module (216), and the tool placement bin (307) is fixedly arranged at the right end inside the detector body (101).