CN220662304U - Protection device for change electric base electrical component - Google Patents
Protection device for change electric base electrical component Download PDFInfo
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- CN220662304U CN220662304U CN202322242095.5U CN202322242095U CN220662304U CN 220662304 U CN220662304 U CN 220662304U CN 202322242095 U CN202322242095 U CN 202322242095U CN 220662304 U CN220662304 U CN 220662304U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000005012 migration Effects 0.000 claims 1
- 238000013508 migration Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of power conversion, in particular to a protection device for an electric component of a power conversion base, which comprises the following components: a heavy-duty battery and a battery replacement base; the battery is characterized in that an electric connecting column is mounted in the middle of the top of the battery replacing base, a battery electric connecting seat is mounted in the middle of the bottom of the heavy-duty battery, electric connecting holes spliced with the electric connecting column are formed in the middle of the bottom of the battery electric connecting seat, two groups of protection plate covers are symmetrically and elastically moved on two sides of the upper side of the electric connecting column, movable stress blocks which are in a right trapezoid structure are fixedly mounted on one side of the top of each protection plate cover, a group of movable pressing blocks which are also in the right trapezoid structure are mounted on the bottom of the heavy-duty battery corresponding to the movable stress blocks, inclined planes of the movable pressing blocks and the movable stress blocks are distributed relatively.
Description
Technical Field
The utility model relates to the technical field of power conversion, in particular to a protection device for an electric component of a power conversion base.
Background
At present, the power exchanging mode of the medium and heavy truck basically adopts a mode of hanging and exchanging power at the top of a back power exchanging box to exchange power, but because related electric components of a power exchanging base, especially an electric connector in butt joint with the power exchanging box, lack necessary protection, and the electric connector is in a completely exposed state after the power exchanging box is separated from the power exchanging base.
The prior patent is granted the number: CN 219134121U discloses a protective device for an electrical component of a power conversion base, the power conversion base is provided with an electrical connector for docking with a power conversion box; the protective device comprises a shielding plate, a connecting rod mechanism and a driving mechanism, wherein the shielding plate is arranged on the power conversion base through the connecting rod mechanism, the driving mechanism drives the shielding plate to perform overturning action through the connecting rod mechanism, so that the electric connector is shielded or kept away from, water drops, dust or other sundries of the medium-heavy truck can be effectively prevented from falling onto the electric connector in the power conversion process through the protective device, the phenomena of short circuit or pollution of the electric connector are avoided, and the power conversion safety and the vehicle safety are remarkably improved; but the device controls the turnover of the shielding plate through the cooperation of the connecting rod mechanism and the driving mechanism in the running process, and meanwhile, the turnover time and the turnover degree of the shielding plate adopt the cooperation between various sensors and the control unit, and although the function of automatic protection is realized to a certain extent, the structure, the components and the connection among the structural components used in the whole are relatively complex, so that the use cost is higher, more electronic structural components are involved, the subsequent use failure rate is higher, and the maintenance cost is relatively higher;
in view of the above-mentioned problems, the present application proposes a solution.
Disclosure of Invention
An objective of the embodiments of the present utility model is to provide a protection device for an electrical component of a power conversion base, which aims to solve the above problems.
The utility model is realized in that a protective device for an electrical component of a power conversion base comprises: a heavy-duty battery and a battery replacement base; the middle part of the top of the electricity changing base is provided with an electric connecting column, the middle part of the bottom of the heavy truck battery is provided with a battery electric connecting seat, the middle part of the bottom of the battery electric connecting seat is provided with an electric connecting hole which is spliced with the electric connecting column, when the heavy truck battery is arranged on the electricity changing base, the electric connecting seat is smoothly communicated with an electric connecting column splicing circuit through the electric connecting hole, when the heavy truck battery is in electricity changing, in order to keep the time gap for detaching the heavy truck battery, external dust impurities enter the electric connecting column, at the moment, two groups of protection plate covers are symmetrically and elastically moved on the two sides above the electric connecting column, when the protection plate covers are in a free state, the opposite ends of the two sides of the protection plate covers are in a contact state, at the moment, the outer sides of the electric connecting column are shielded and protected, one side of the top of the two sides of the protection plate covers, which are mutually close to each other, is fixedly provided with a movable stress block which is in a right trapezoid structure, the bottom of the heavy truck battery corresponding to the mobile stress block is provided with a group of movable press blocks which is also in the right trapezoid structure, the movable pressing block and the inclined plane of the movable stress block are distributed relatively, when the movable pressing block moves downwards along with the heavy truck battery to change electricity, the inclined plane of the movable pressing block gradually presses down the inclined plane of the movable stress block, at the moment, under the cooperation of the two inclined planes, the pressure born by the inclined plane of the movable stress block is decomposed into vertical pressure and transverse thrust, because the protective plate cover cannot move in the vertical direction, under the action of the thrust, the movable stress block drives the protective plate cover to move towards the transverse direction far away from the electric connecting column, along with the continuous descending of the movable pressing block, the protective plate cover gradually moves away from the electric connecting column until the electric connecting hole is completely inserted into the electric connecting column, the protective plate cover moves to the maximum position, at the moment, the heavy truck battery is connected with the electric connecting column to complete circuit connection, at the moment, the protective plate cover receives continuous thrust towards one side of the electric connecting column in the transverse direction, when the power is replaced subsequently, once the heavy-duty battery rises upwards, the movable pressing block loses the pressure to the protective plate cover, the protective plate cover automatically moves towards one side of the electric connecting column until the protective plate covers on two sides are in opposite surface contact, automatic shielding protection to the electric connecting column is formed during the power replacement gap, the movable pressing block and the movable stress block are adopted to move, the protective plate cover is transversely elastically arranged outside the electric connecting column in a matched mode, and the protective structure is extremely simple in form and simultaneously has the advantages of automatic protection, simple structure and use cost.
According to the protection device for the electric component of the power exchange base, the two groups of protection plate covers are elastically arranged on the two sides above the electric connecting column, the protection plate covers automatically shield and close the outer sides of the electric connecting column by utilizing the elastic action of the protection plate covers when no acting force is applied, the electric connecting column is kept to be protected during power exchange, meanwhile, when the heavy-duty battery is installed, the movable pressing block at the bottom of the battery is utilized to move downwards and is in contact fit with the movable stress block at the top of the protection plate covers, the movable stress block is pushed to control the two side protection plate covers to transversely move and separate until the electric connecting hole is connected with the electric connecting column, the protection plate covers are completely separated from the outer sides of the electric connecting column at the moment, the power exchange is completed, the heavy-duty battery is detached when the electric connecting column is replaced again, and the protection plate covers automatically shield and protect the electric connecting column again under the action of the self at the moment, so that the function of automatically protecting the electric connecting column by a simple structure is achieved, meanwhile, the whole structure is extremely simple, the cost is low, and the protection effect is good.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional connection structure between a protection device of an electrical component of a power conversion base and a heavy-duty battery.
Fig. 2 is a schematic diagram of a front view connection structure of a protection device of an electrical component of a power conversion base and a heavy-duty battery.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a.
FIG. 4 is a schematic view of the structure of a shield plate cover in a protective device of an electrical component of a power conversion base;
in the accompanying drawings: the heavy truck battery 10, the battery replacement base 11, the battery electric connection seat 12, the electric connection hole 13, the movable pressing block 14, the movable stress block 15, the protection plate cover 16, the electric connection column 17, the positioning column 18, the telescopic plate 19, the telescopic plate hole 20, the limiting block 21, the spring 22, the fixing rod 23, the side protection plate 24, the bayonet lock 25 and the clamping groove 26.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1-3, a structure diagram of a protection device for an electrical component of a power conversion base according to an embodiment of the present utility model includes: a heavy-duty battery 10 and a battery-replacement base 11; an electric connecting column 17 is arranged in the middle of the top of the electricity changing base 11, a battery electric connecting seat 12 is arranged in the middle of the bottom of the heavy truck battery 10, an electric connecting hole 13 spliced with the electric connecting column 17 is formed in the middle of the bottom of the battery electric connecting seat 12, the heavy truck battery 10 is smoothly communicated with a splicing circuit of the electric connecting column 17 through the electric connecting hole 13 when being arranged on the electricity changing base 11, external dust impurities enter the electric connecting column 17 for maintaining the disassembly time gap of the heavy truck battery 10 when being changed, two groups of protection plate covers 16 are symmetrically and elastically moved above the electric connecting column 17, when the protection plate covers 16 are in a free state, opposite ends of the two side protection plate covers 16 are in a contact state, at the moment, the outer sides of the electric connecting column 17 are shielded and protected, a movable stress block 15 in a right-angle trapezoid structure is fixedly arranged on one side of the top of the two side protection plate covers 16, which are close to each other, a group of movable pressing blocks 14 which are also in right trapezoid structures are arranged at the bottoms of the heavy truck batteries 10 and correspond to the movable stress blocks 15, inclined surfaces of the movable pressing blocks 14 and the movable stress blocks 15 are distributed relatively, when the movable pressing blocks 14 move downwards along with the heavy truck batteries 10 to change electricity, the inclined surfaces of the movable pressing blocks 14 gradually press down the inclined surfaces of the movable stress blocks 15, at the moment, under the cooperation of the two inclined surfaces, the pressure born by the inclined surfaces of the movable stress blocks 15 is decomposed into vertical pressure and transverse thrust, because the protective plate cover 16 cannot move in the vertical direction, at the moment, under the action of the thrust, the movable stress blocks 15 drive the protective plate cover 16 to move towards the transverse direction far away from the electric connecting column 17, and along with the continuous descending of the movable pressing blocks 14, the protective plate cover 16 gradually moves away from the electric connecting column 17 until the electric connecting hole 13 is completely spliced with the electric connecting column 17, the protective plate cover 16 moves to the maximum position, at this time, the heavy truck battery 10 and the electric connection column 17 are connected by the circuit, the protection plate cover 16 is continuously pushed towards one side of the electric connection column 17 in the transverse direction, when the heavy truck battery 10 is lifted upwards in the subsequent power change, the movable pressing block 14 loses the pressure on the protection plate cover 16, the protection plate cover 16 automatically moves towards one side of the electric connection column 17 until the two side protection plate covers 16 are contacted with each other in opposite surfaces, the automatic shielding protection for the electric connection column 17 is formed during the power change gap, and the movable pressing block 14 and the movable stress block 15 are adopted to move, so that the protection plate cover 16 is transversely and elastically arranged outside the electric connection column 17 in cooperation with a protection structure with extremely simple form, and meanwhile, the automatic shielding device has the advantages of simple structure and use cost.
In the embodiment of the utility model, a plurality of positioning columns 18 are uniformly arranged at four corners of the top of the power conversion base 11, and the heavy-duty battery 10 arranged on the power conversion base 11 is positioned to a certain extent through the positioning columns 18, so that the installation stability is kept; the inclined surfaces of the movable pressing block 14 and the movable stress block 15, which are in contact with each other, are paved with a layer of insulating plate, the surface of the insulating plate is smooth, and when the movable pressing block 14 is not influenced to push the movable stress block 15 to transversely move, the leakage and flow of current along the movable pressing block 14 and the movable stress block 15 are prevented when a circuit between the battery electric connection seat 12 and the battery change base 11 fails;
specifically, the protection plate cover 16 is in a U-shaped structure, so that the protection plate cover 16 can simultaneously shield and protect the upper side and the lower side of the electric connection column 17, the U-shaped structure of the protection plate cover 16 is composed of three parts, including side protection plates 24 on two sides and a cover plate with a horizontal middle part, the upper parts of the side walls of the side protection plates 24 on two sides are clamped at two ends of the cover plate, namely when the protection plate cover 16 is used for protection, the side protection plates 24 and the cover plate with proper sizes can be selected according to factors such as the width and the length of the electric connection column 17;
a plurality of clamping grooves 26 are uniformly formed in the side walls of the two sides of the cover plate, clamping pins 25 are arranged on the side walls of the side protection plates 24 corresponding to the clamping grooves 26, and the clamping pins 25 are clamped in the clamping grooves 26, so that the detachable connection between the side protection plates 24 and the cover plate is realized.
In an example of the present utility model, referring to fig. 4, a telescopic plate 19 is fixedly installed at one end of the protection plate cover 16 at two sides, which is far away from each other, the end of the telescopic plate 19 is telescopically connected with a telescopic plate hole 20, the end of the telescopic plate hole 20 is fixed at the top of the power exchange base 11 through a fixing rod 23, a limiting block 21 for preventing the telescopic plate 19 from being separated from the inside of the telescopic plate hole 20 is installed at the end of the telescopic plate 19 positioned in the telescopic plate hole 20, one side of the limiting block 21, which is far away from the opening of the telescopic plate hole 20, is elastically connected with a plurality of springs 22, and supports the elastic movement of the protection plate cover 16 by utilizing the elastic action of the springs 22, namely, when the springs 22 are in a free state, the protection plate cover 16 at the end of the telescopic plate 19 is controlled to be in a maximum extension position, namely, the protection plate cover 16 at two sides is kept in a fitting state;
the opposite sides of the shield cover 16 are provided with a cushion pad to reduce wear of the shield cover 16 when in contact.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. A protective device for a power conversion base electrical component, the protective device comprising: a heavy-duty battery (10) and a battery replacement base (11); the electric connection base (11) top mid-mounting has electric spliced pole (17), and heavy truck battery (10) end mid-mounting has battery electric connecting seat (12), and electric connecting hole (13) with electric spliced pole (17) grafting are offered at battery electric connecting seat (12) end mid-portion, electric spliced pole (17) top bilateral symmetry elastic migration is provided with two sets of guard shield covers (16), and when guard shield covers (16) were in the free state, the tip that two sides guard shield covers (16) are relative was in the state of contact, and the top one side fixed mounting that two sides guard shield covers (16) are close to each other has the removal atress piece (15) that are right trapezoid structure, and the removal atress piece (15) are right above the corresponding heavy truck battery (10) bottom installation that corresponds is provided with a set of removal briquetting (14) that are right trapezoid structure too, and removal briquetting (14) are distributed with the inclined plane relative of removal atress piece (15).
2. The protection device for the electrical component of the power conversion base according to claim 1, wherein a plurality of positioning columns (18) are uniformly arranged at four corners of the top of the power conversion base (11).
3. The protection device for the electrical component of the power conversion base according to claim 2, wherein a layer of insulating plate is laid on the inclined surfaces where the movable pressing block (14) and the movable stress block (15) are in contact with each other.
4. A protection device for an electrical component of a power conversion base according to claim 3, wherein the protection board cover (16) is provided with a U-shaped structure, the U-shaped structure of the protection board cover (16) is composed of three parts, including side protection boards (24) on two sides and a cover board with a horizontal middle part, and upper parts of side walls of the side protection boards (24) on two sides are clamped at two ends of the cover board.
5. The protection device for the electrical component of the power conversion base according to claim 4, wherein a plurality of clamping grooves (26) are uniformly formed in the side walls of the two sides of the cover plate, clamping pins (25) are mounted on the side walls of the side protection plates (24) corresponding to the clamping grooves (26), and the clamping pins (25) are clamped in the clamping grooves (26).
6. The protection device for an electrical component of a power conversion base according to claim 5, wherein, the two sides are fixedly provided with expansion plates (19) at one ends of the shielding plate covers (16) which are far away from each other, the ends of the expansion plates (19) are connected with expansion plate holes (20) in a telescopic manner, the ends of the expansion plate holes (20) are fixed at the top of the power conversion base (11) through fixing rods (23), limiting blocks (21) for preventing the expansion plates (19) from separating from the inside of the expansion plate holes (20) are arranged at the ends of the expansion plates (19) arranged in the expansion plate holes (20), one sides of the limiting blocks (21) far away from the openings of the expansion plate holes (20) are elastically connected with a plurality of springs (22), and when the springs (22) are in a free state, the shielding plate covers (16) for controlling the ends of the expansion plates (19) are in a maximum extension position.
7. A protective device for an electrical component of a power conversion base according to claim 6, wherein a cushion is mounted on the opposite side of the shield (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242095.5U CN220662304U (en) | 2023-08-21 | 2023-08-21 | Protection device for change electric base electrical component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242095.5U CN220662304U (en) | 2023-08-21 | 2023-08-21 | Protection device for change electric base electrical component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220662304U true CN220662304U (en) | 2024-03-26 |
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ID=90326534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322242095.5U Active CN220662304U (en) | 2023-08-21 | 2023-08-21 | Protection device for change electric base electrical component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220662304U (en) |
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2023
- 2023-08-21 CN CN202322242095.5U patent/CN220662304U/en active Active
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