CN209947904U

CN209947904U - Low-voltage conversion device for power battery of low-speed electric vehicle

Info

Publication number: CN209947904U
Application number: CN201920789403.7U
Authority: CN
Inventors: 徐可可; 张艳; 茆顺杰; 沈晓斌
Original assignee: Huaian Jun Sheng Amperex Technology Ltd
Current assignee: Huaian Jun Sheng Amperex Technology Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-01-14
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to a power battery equipment technical field just discloses a power battery low pressure conversion equipment for low-speed electric motor car, which comprises a mounting base, first spout has been seted up on the right side at mount pad top. This low-voltage power battery conversion device for low-speed electric motor car, cooperation through first spout and battery installation piece is used, the battery installation can be in the inside stable horizontal slip of mount pad, can place the top at the mount pad fast, use through fixing device, anchorage bar and knob form the cross and connect, with mount pad and battery installation piece fixed connection together, when needs are dismantled, only need rotate the knob can, through the fixed position of locating lever with converter installation piece and mount pad, when the converter is dismantled to needs, stir the locating lever upwards, make converter installation piece move left can, the purpose of convenient to detach maintenance has been realized, work efficiency is improved, vehicle space utilization has been improved, reduce automobile body weight, reduce cost's purpose.

Description

Low-voltage conversion device for power battery of low-speed electric vehicle

Technical Field

The utility model relates to a power battery equipment technical field specifically is a power battery low pressure conversion equipment for low-speed electric motor car.

Background

The power battery is the power that the instrument provided the power source for power, indicates the battery that provides power for electric automobile, electric train, electric bicycle and golf cart more, and under the background of the automobile electromotion is greatly developed in the country, the increase to the power battery demand of higher energy density and higher electric quantity must lead to, and battery management system BMS is very important to power battery's normal use, and power battery needs safety, and high-efficient operation can not leave battery management system BMS, and battery management system BMS normal work needs low pressure 12V or 24V power to realize.

To traditional low-speed electric motor car, need convert power battery's high pressure into low pressure, thereby realize supplying power to battery management system BMS, guarantee power battery system normal work, current low-speed electric motor car is with power battery system can't guarantee the demand of battery management system BMS low pressure power supply under the condition of switching into higher energy density and electric quantity battery, it occupies automobile body space to install low pressure storage battery additional, increase automobile body weight and cost, storage battery is mostly through bolt fixed connection, the time of dismantling has been increased, work efficiency is reduced, inconvenient use, so propose a low-speed electric motor car is with power battery low pressure conversion equipment and solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a low-voltage conversion device of power battery for low-speed electric motor car possesses advantages such as convenient to maintain and dismantle, has solved current low-speed power battery for electric motor car and has had the shortcoming of inconvenient maintenance dismantlement at the in-process that uses after switching higher energy density and higher electric quantity power battery system, and most pass through bolt fixed connection, has increased the time of dismantling, has reduced work efficiency, inconvenient use, space utilization is low, problem with high costs.

(II) technical scheme

In order to realize the convenient maintenance dismantlement, the utility model provides a following technical scheme: a low-voltage conversion device of a power battery for a low-speed electric vehicle comprises a mounting seat, wherein a first sliding groove is formed in the right side of the top of the mounting seat, a battery mounting block is movably connected inside the first sliding groove, the top of the battery mounting block is fixedly connected with a battery, a fixing device is movably connected to the front of the mounting seat, a threaded groove is formed in the bottom of the battery mounting block and positioned at the top of the fixing device, a second sliding groove is formed in the left side of the top of the mounting seat, a converter mounting block is movably connected inside the second sliding groove, a converter is fixedly connected to the top of the converter mounting block, an adjusting switch is fixedly connected to the front of the converter, a positioning hole is formed in the top of the converter mounting block and positioned at the outer side of the converter, a positioning rod is movably connected inside the positioning hole, and a, the bottom fixedly connected with mount pad of spring mounting bracket, the outside of locating lever just is located the inside fixedly connected with separation blade of spring mounting bracket, the outside of locating lever just is located the top fixedly connected with compression spring of separation blade.

Preferably, the fixing device comprises a fastening rod, a clamping rod is fixedly connected to the bottom of the fastening rod, a clamping block is clamped to the outer side of the clamping rod, and a knob is fixedly connected to the back of the clamping block.

Preferably, the size of the first sliding groove is matched with the size of the battery mounting block, and the size of the second sliding groove is matched with the size of the converter mounting block.

Preferably, the size of locating lever and the size looks adaptation of locating hole, the size of separation blade and the size looks adaptation of spring mounting frame inner space.

Preferably, the bottom of the positioning rod penetrates through the spring mounting frame, the blocking piece, the mounting seat and the converter mounting block and extends to the inside of the converter mounting block.

Preferably, the size of the fastening rod is matched with the size of the thread groove, the number of the positioning holes is not less than two, and the positioning holes are uniformly distributed on the top of the converter mounting block.

(III) advantageous effects

Compared with the prior art, the utility model provides a low-speed power battery low pressure conversion equipment for electric motor car possesses following beneficial effect:

1. the low-voltage conversion device for the power battery of the low-speed electric vehicle is characterized in that the battery can stably slide left and right in the mounting seat through the matching of the first chute and the battery mounting block and can be rapidly placed at the top of the mounting seat, the fastening rod and the knob form cross connection through the use of the fixing device, the mounting seat and the battery mounting block are fixedly connected together, when the low-speed electric vehicle needs to be disassembled, only the knob needs to be rotated, so that the battery is fixed, through the use of the second chute and the converter mounting block, the converter mounting block is pushed rightwards to slide in the second chute and is placed in the mounting seat, the positions of the converter mounting block and the mounting seat are fixed through the positioning rod, so that the position of the converter is fixed, when the converter needs to be disassembled, the positioning rod is shifted upwards, so that the converter mounting block moves leftwards, and the aim of convenient disassembly and maintenance is fulfilled, the working efficiency is improved, the space utilization rate of the vehicle is improved, the weight of the vehicle body is reduced, and the cost is reduced.

2. This low-voltage power battery conversion device for low-speed electric motor car, through compression spring's use, when converter installation piece had the trend of upwards moving, compression spring produced a decurrent power, guaranteed that the locating lever can not remove, made converter installation piece and mount pad connect more stably, realized the purpose that the practicality is high.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the fixing device of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a mounting seat 1, a first sliding groove 2, a battery mounting block 3, a battery 4, a fixing device 5, a fastening rod 501, a clamping rod 502, a knob 503, a clamping block 504, a thread groove 6, a second sliding groove 7, a converter mounting block 8, a converter 9, an adjusting switch 10, a positioning hole 11, a positioning rod 12, a spring mounting frame 13, a blocking piece 14 and a compression spring 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a low-voltage power battery conversion device for a low-speed electric vehicle comprises a mounting base 1, a first sliding groove 2 is formed in the right side of the top of the mounting base 1, the size of the first sliding groove 2 is matched with the size of a battery mounting block 3, the battery mounting block 3 is movably connected inside the first sliding groove 2, a battery 4 is fixedly connected to the top of the battery mounting block 3, a fixing device 5 is movably connected to the front of the mounting base 1, the fixing device 5 comprises a fastening rod 501, the size of the fastening rod 501 is matched with the size of a threaded groove 6, a clamping rod 502 is fixedly connected to the bottom of the fastening rod 501, a clamping block 504 is clamped to the outer side of the clamping rod 502, a knob 503 is fixedly connected to the back of the clamping block 504, a threaded groove 6 is formed in the bottom of the battery mounting block 3 and located at the top of the fixing device 5, a second sliding groove 7 is formed in the left side of the top of the mounting base 1, a converter mounting block 8 is movably connected inside the second chute 7, a converter 9 is fixedly connected on the top of the converter mounting block 8, the type of the converter 9 can be URF-QB-100W, a low-power-consumption DC-DC power conversion module is arranged inside the converter 9, the high voltage of the battery 4 can be converted into the low voltage available for the power battery management system of the low-speed electric vehicle, and the high voltage of the power battery can be converted into the low voltage by opening and closing an adjusting switch 10, so that the normal operation of the power battery management system BMS of the low-speed electric vehicle is ensured, the normal operation of the power battery system is indirectly ensured, the front of the converter 9 is fixedly connected with the adjusting switch 10, positioning holes 11 are formed in the top of the converter mounting block 8 and positioned outside the converter 9, the number of the positioning holes 11 is not less than two, and the, the inside swing joint of the locating hole 11 has locating levers 12, the bottom of the locating lever 12 runs through the spring mounting bracket 13, the catch 14, the mounting seat 1 and the converter mounting block 8 and extends to the inside of the converter mounting block 8, the size of the locating lever 12 is matched with the size of the locating hole 11, the outside swing joint of the locating lever 12 has the spring mounting bracket 13, through the use of the compression spring 15, when the converter mounting block 8 has the tendency of moving upwards, the compression spring 15 generates a downward force to ensure that the locating lever 12 can not move, so that the converter mounting block 8 is connected with the mounting seat 1 more stably, the purpose of high practicability is realized, the bottom of the spring mounting bracket 13 is fixedly connected with the mounting seat 1, the catch 14 is fixedly connected with the outside of the locating lever 12 and positioned in the spring mounting bracket 13, the size of the catch 14 is matched with the size of the, the compression spring 15 is fixedly connected to the outer side of the positioning rod 12 and the top of the blocking piece 14, the battery installation block 3 can stably slide left and right in the installation seat 1 by the matching use of the first sliding groove 2 and the battery installation block 3, the battery installation block can be quickly placed on the top of the installation seat 1, the fastening rod 501 and the knob 503 form a cross connection by the use of the fixing device 5, the installation seat 1 and the battery installation block 3 are fixedly connected together, when the disassembly is needed, only the knob 503 needs to be rotated, so that the battery 4 is fixed, the converter installation block 8 is pushed rightwards to slide in the second sliding groove 7 and is placed in the installation seat 1 by the use of the second sliding groove 7 and the converter installation block 8, the converter installation block 8 and the installation seat 1 are fixed in position by the positioning rod 12, so that the position of the converter 9 is fixed, when the converter 9 needs to be disassembled, the positioning rod 12 is stirred upwards, so that the converter mounting block 8 moves leftwards, the aim of convenient disassembly and maintenance is fulfilled, the working efficiency is improved, the space utilization rate of a vehicle is improved, the weight of the vehicle body is reduced, and the cost is reduced.

When the battery mounting block 3 is used, when the battery 4 needs to be dismounted, the knob 503 is rotated to separate the knob from the clamping rod 502 and push the battery mounting block 3 rightwards, and when the converter 9 is dismounted, the positioning rod 12 is pulled upwards to separate the positioning rod from the positioning hole 11 and push the converter mounting block 8 leftwards.

To sum up, the low-voltage power battery conversion device for the low-speed electric vehicle can stably slide left and right in the mounting seat 1 by the cooperation of the first chute 2 and the battery mounting block 3, can be quickly placed on the top of the mounting seat 1, through the use of the fixing device 5, the fastening rod 501 and the knob 503 form a cross connection to fixedly connect the mounting seat 1 and the battery mounting block 3 together, when the low-voltage power battery conversion device needs to be disassembled, only the knob 503 needs to be rotated, so that the battery 4 is fixed, through the use of the second chute 7 and the converter mounting block 8, the converter mounting block 8 is pushed rightwards to slide in the second chute 7 and is placed in the mounting seat 1, the positions of the converter mounting block 8 and the mounting seat 1 are fixed through the positioning rod 12, so that the position of the converter 9 is fixed, when the converter 9 needs to be disassembled, the positioning rod 12 is stirred upwards, so that the converter mounting block 8 moves leftwards, the aim of convenient disassembly and maintenance is fulfilled, the working efficiency is improved, the space utilization rate of a vehicle is improved, the weight of the vehicle body is reduced, and the cost is reduced.

And, through compression spring 15's use, when converter installation piece 8 has the trend of rebound, compression spring 15 produces a decurrent power, guarantee that locating lever 12 can not remove, it is more stable to make converter installation piece 8 and mount pad 1 connect, the purpose that the practicality is high has been realized, the power battery for current low-speed electric motor car has the shortcoming of inconvenient maintenance dismantlement at the in-process that uses of low pressure conversion equipment after switching higher energy density and higher electric quantity power battery system, mostly pass through bolt fixed connection, the time of dismantling has been increased, work efficiency is reduced, inconvenient use, space utilization is low, problem with high costs.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low-voltage conversion device of power battery for low-speed electric motor car, includes mount pad (1), its characterized in that: the right side of the top of the mounting seat (1) is provided with a first sliding groove (2), the inner part of the first sliding groove (2) is movably connected with a battery mounting block (3), the top of the battery mounting block (3) is fixedly connected with a battery (4), the front of the mounting seat (1) is movably connected with a fixing device (5), the bottom of the battery mounting block (3) is positioned at the top of the fixing device (5) and is provided with a thread groove (6), the left side of the top of the mounting seat (1) is provided with a second sliding groove (7), the inner part of the second sliding groove (7) is movably connected with a converter mounting block (8), the top of the converter mounting block (8) is fixedly connected with a converter (9), the front of the converter (9) is fixedly connected with an adjusting switch (10), the top of the converter mounting block (8) is positioned at the outer side of the converter (9) and is provided, the inside swing joint of locating hole (11) has locating lever (12), the outside swing joint of locating lever (12) has spring mounting bracket (13), the bottom fixedly connected with mount pad (1) of spring mounting bracket (13), the outside of locating lever (12) just is located inside fixedly connected with separation blade (14) of spring mounting bracket (13), the outside of locating lever (12) just is located top fixedly connected with compression spring (15) of separation blade (14).

2. The low-voltage conversion device for the power battery of the low-speed electric vehicle according to claim 1, characterized in that: fixing device (5) are including fastening rod (501), the bottom fixedly connected with card pole (502) of fastening rod (501), the outside joint of card pole (502) has fixture block (504), the back fixedly connected with knob (503) of fixture block (504).

3. The low-voltage conversion device for the power battery of the low-speed electric vehicle according to claim 1, characterized in that: the size of the first sliding groove (2) is matched with that of the battery mounting block (3), and the size of the second sliding groove (7) is matched with that of the converter mounting block (8).

4. The low-voltage conversion device for the power battery of the low-speed electric vehicle according to claim 1, characterized in that: the size of the positioning rod (12) is matched with that of the positioning hole (11), and the size of the baffle plate (14) is matched with that of the inner space of the spring mounting rack (13).

5. The low-voltage conversion device for the power battery of the low-speed electric vehicle according to claim 1, characterized in that: the bottom of the positioning rod (12) penetrates through the spring mounting frame (13), the blocking piece (14), the mounting seat (1) and the converter mounting block (8) and extends to the inside of the converter mounting block (8).

6. The low-voltage conversion device for the power battery of the low-speed electric vehicle according to claim 2, characterized in that: the size of the fastening rod (501) is matched with that of the thread groove (6), the number of the positioning holes (11) is not less than two, and the positioning holes (11) are uniformly distributed at the top of the converter mounting block (8).