CN219499020U - Battery pack charger with good safety - Google Patents

Abstract

The utility model discloses a battery pack charger with good safety, which relates to the field of chargers, and comprises a box body, wherein a charging contact is fixedly arranged on one side of the box body, an electric element is fixedly arranged in an inner cavity of the box body, and the battery pack charger further comprises: a support plate dividing the inner cavity of the case into a first inner cavity and a second inner cavity, and an electrical component is mounted in the first inner cavity; the first heat dissipation component is arranged at the top of the electric element and can conduct heat to the first inner cavity and limit the electric element; the limiting component can fix the first radiating component; this group battery machine that charges that security is good, through utilizing the backup pad to cut apart into first inner chamber and second inner chamber with the box inner chamber, the cooperation cooling module one again and cooling module two have realized the effective heat dissipation to electric element under the prerequisite of guaranteeing electric element work leakproofness, not only provide the guarantee for the security of charging machine's work, also effectively ensured the work efficiency of charging machine.

Description

Battery pack charger with good safety

Technical Field

The utility model relates to a charger technology, in particular to a battery pack charger with good safety.

Background

The battery packs are connected in series and in parallel, the parallel battery packs require the voltage of each battery to be the same, the output voltage is equal to the voltage of one battery, and the parallel battery packs can provide stronger current; the series battery pack has no excessive requirements. The charger adopts a high-frequency power supply technology and uses advanced intelligent dynamic battery charging equipment for adjusting charging. The intelligent charging system adopts a constant current/constant voltage/small constant current intelligent three-stage charging mode, has the characteristics of high charging efficiency, simplicity in operation, light weight, small volume and the like, and has the advantages of high resistance in severe power grid environment conditions, and high reliability and stability.

According to the current market research, when the existing battery pack charger is used, a large number of electronic devices are arranged in the charger, and a large amount of heat is generated when the electronic devices work, wherein most of the heat is mainly generated when an inductor, a capacitor and a power tube in the charger work, and in order to ensure the effective heat dissipation, the necessary premise is to ensure the air circulation inside and outside the charger, so that the tightness of the charger in work is reduced, the reduction of the tightness directly leads the external air to carry out an internal circuit, the internal circuit of the charger is damaged by external dust, and the internal safety of the charger is reduced.

Disclosure of Invention

The utility model aims to provide a battery pack charger with good safety so as to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a group battery machine that charges that security is good, includes the box, and one side fixed mounting of box has the contact that charges, and the inner chamber fixed mounting of box has electrical component, still includes:

a support plate dividing the inner cavity of the case into a first inner cavity and a second inner cavity, and an electrical component is mounted in the first inner cavity;

the first heat dissipation component is arranged at the top of the electric element and can conduct heat to the first inner cavity and limit the electric element, and comprises two heat conducting strips;

the limiting component can fix the first radiating component;

and the second radiating component is arranged at the bottom of the first radiating component and can radiate heat of the first radiating component and the second inner cavity.

Further, the first radiating component comprises a plurality of radiating pipes, the outer sides of the radiating pipes are fixedly provided with radiating connecting blocks, the bottoms of the radiating connecting blocks are connected with radiating surfaces arranged on the electric elements, radiating fins parallel to the axial direction of the radiating pipes are fixedly arranged on two sides of each radiating pipe, the bottoms of the radiating fins are abutted to the tops of the electric elements, and the bottoms of the radiating pipes are extruded to the top edge parts of the radiating pipes.

Further, the two heat conducting strips are fixedly connected with the tail ends of the two ends of each radiating pipe respectively, and the same lifting handle is fixedly arranged at the top of each radiating connecting block.

Further, the limiting components are arranged at two sides of the electric element and symmetrically arranged at two sides of the electric element, the two limiting components comprise rotating shafts rotatably arranged at the top of the supporting plate, clamping pieces which are slidably connected with the top of the supporting plate are arranged at the outer sides of the rotating shafts close to the two ends of the supporting plate, and the two clamping pieces can be clamped and fixed at the top of the heat conducting strip after relatively moving to the limit stroke of the two clamping pieces.

Further, the outside symmetry that the pivot is close to both ends department has seted up the chute, and two chute revolve to opposite directions, and the inside fixed mounting of joint spare has the staple with chute inner wall sliding connection, and the outside of pivot just is located two relative one side of joint spare and all rotates installs fixed cover, joint spare with adjacent fixed spring that the cover was located the pivot outside is installed to fixed between the cover.

Further, the sliding sleeve is slidably arranged on the outer side of the middle of the rotating shaft, and a limiting column capable of limiting the sliding sleeve in a rotating mode is fixedly arranged at the top of the supporting plate.

Further, the second heat dissipation assembly comprises a plurality of heat dissipation fins arranged in parallel and a plurality of heat exchange tubes arranged in an array, each heat exchange tube penetrates through the heat dissipation fins, each heat dissipation fin is limited in the second inner cavity, the top of each heat dissipation fin is fixedly provided with the same heat dissipation plate, both sides of the support plate are respectively provided with a groove in a penetrating mode, the heat dissipation plates and the heat conduction strips are respectively arranged in the grooves in a penetrating mode, and the bottoms of the heat conduction strips are connected with the heat dissipation plates.

Further, a heat dissipation box is fixedly arranged on one side of the box body, a fan capable of dissipating heat of wind power to the second inner cavity is arranged in the heat dissipation box, and an electric element is arranged at the top of the supporting plate.

Compared with the prior art, the battery pack charger with good safety provided by the utility model has the advantages that the box inner cavity is divided into the first inner cavity and the second inner cavity by utilizing the supporting plate, and the first heat dissipation component and the second heat dissipation component are matched on the premise that the working tightness of the electric element is ensured, so that the effective heat dissipation of the electric element is realized, the work safety of the charger is ensured, and the work efficiency of the charger is also effectively ensured;

the rotary shaft and the chute on the rotary shaft are driven by the rotary sliding sleeve to rotate, the chute is rotationally matched with the fixing nails to drive the two clamping pieces to slide along the surface of the supporting plate and separate from each other until the clamping pieces are released from the clamping connection to the top of the heat conducting strip, the rotary sliding sleeve is slid and inserted into the limiting column, the limiting column can realize the rotation limiting of the sliding sleeve, the fixing release to the heat conducting strip is effectively realized, the convenience and the simplicity of equipment operation are improved, the structure is simple, the maintenance cost is low, the fact that a user can release the fixing of the other side when the fixing of one side is completed is realized, the single operation feasibility of releasing the fixing of the equipment is improved, meanwhile, the fact that the clamping pieces are connected with the rotary shaft to be loose is effectively avoided by elastic stretching of the springs, and the clamping pieces are rocked or jolt, and unexpected releasing of the fixing to the heat conducting strip occurs.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a perspective view of an overall structure provided by an embodiment of the present utility model;

FIG. 2 is a partial cutaway perspective view of an overall structure provided by an embodiment of the present utility model;

FIG. 3 is a longitudinal cross-sectional perspective view of an overall structure (with the cover removed) provided in an embodiment of the present utility model;

fig. 4 is a partial perspective view of an electrical component, a limiting component, a heat conducting strip, a heat dissipating component II and a supporting plate according to an embodiment of the present utility model;

FIG. 5 is an enlarged view of A in FIG. 4 provided by an embodiment of the present utility model;

FIG. 6 is a longitudinal cross-sectional perspective view of a part of a structure of a shaft and a clamping member according to an embodiment of the present utility model;

fig. 7 is a perspective view of a partial structure of a rotating shaft, a sliding sleeve and a limiting post according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a case; 2. a charging contact; 3. an electrical component; 4. a first heat dissipation assembly; 41. a heat radiating pipe; 42. a heat dissipation connecting block; 43. a heat sink; 44. a heat conducting strip; 45. a handle; 5. a limit component; 51. a rotating shaft; 52. a clamping piece; 53. a chute; 54. fixing nails; 55. a fixed sleeve; 56. a spring; 57. a sliding sleeve; 58. a limit column; 6. a second heat dissipation component; 61. a heat radiation fin; 62. a heat exchange tube; 7. a heat radiation box; 71. a fan; 8. and a support plate.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1-3, a battery charger with good safety includes a case 1, a case cover is screwed on the top of the case 1, the case cover can seal the inside of the case 1, a charging contact 2 is fixedly installed on one side of the case 1, an electrical element 3 is fixedly installed in an inner cavity of the case 1, the electrical element 3 is a conventional device of the conventional charger, in this embodiment, the electrical element 3 includes a transformer (not shown in the figure) and a controller (not shown in the figure), the transformer and the controller are both conventional configurations of the conventional charger, and the structure in which the transformer and the controller are respectively installed in the case 1 also adopts the conventional structure, so that description will not be repeated here; and a display controller electrically connected with the electrical element 3 is further arranged on one side of the box body 1 and on one side of the charging contact 2, meanwhile, the charging contact 2 is also electrically connected with the electrical element 3, a worker inserts a charging wire of external equipment into the charging contact 2, adjusts the adapting voltage and the charging time length through the display controller, and then the electrical element 3 is started and is matched with the display controller, the charging contact 2 and the charging wire to charge the external equipment.

The group battery machine that charges that the security is good still includes:

a support plate 8 dividing the inner cavity of the case 1 into a first inner cavity and a second inner cavity, and the electric element 3 is mounted to the first inner cavity;

the first heat dissipation component 4 is arranged at the top of the electric element 3 and can conduct heat to the first inner cavity and limit the electric element 3;

the second heat dissipation component 6 is arranged at the bottom of the first heat dissipation component 4 and can dissipate heat of the first heat dissipation component 4 and the second inner cavity;

in long-time use, the electric element 3 can generate gradual heating due to accumulation of working time, heat is conducted to the heat radiating connecting block 42 from the heat radiating surface on the electric element 3, the heat radiating connecting block 42 is matched with heat conducting silicone grease coated on the heat radiating connecting block to be tightly attached to the heat radiating surface on the electric element 3, so that heat conduction efficiency is greatly improved, then the heat is conducted to the heat radiating pipes 41 from the heat radiating connecting block 42, the first heat radiating component 4 comprises a plurality of heat radiating pipes 41, the heat radiating connecting blocks 42 are fixedly arranged on the outer sides of the heat radiating pipes 41, the heat radiating connecting blocks 42 are block-shaped solid matters with heat conducting properties, the materials of the heat radiating connecting blocks 42 comprise but are not limited to copper blocks or aluminum alloy blocks, the bottom of the heat radiating connecting blocks 42 are connected with the heat radiating surface arranged on the electric element 3, the heat radiating fins 43 axially parallel to the heat radiating pipes 41 are fixedly arranged on two sides of each heat radiating pipe 41, the bottom of each heat radiating fin 43 is abutted to the top of the electric element 3, and the bottom ends of the heat radiating pipes 41 are extruded on the top edge parts of the heat radiating pipes 41;

the first heat dissipation component 4 further comprises two heat conducting strips 44, the heat conducting strips 44 are strip-shaped solid objects with heat conducting properties, the materials of the heat conducting strips include but are not limited to copper strips or aluminum alloy strips, the two heat conducting strips 44 are fixedly connected with the tail ends of the two ends of each heat dissipation tube 41 respectively, the top of each heat dissipation connecting block 42 is fixedly provided with the same lifting handle 45, and the lifting handle 45 is made of non-heat conducting materials including but not limited to rubber or timber and the like;

after heat is conducted to the radiating pipe 41, the radiating pipe 41 is matched with the heat conducting strips 44 and the heat conducting silicone grease coated on the bottom of the heat conducting strip to conduct the heat to the radiating plate and the radiating fins 61, the heat exchanging pipe 62 is matched with the fan 71 to continuously radiate the heat to the radiating plate and the radiating fins 61, meanwhile, the radiating fins 43 can absorb and conduct the heat of the top of the electric element 3 and the heat of the air in the first inner cavity into the radiating pipe 41, on the premise of guaranteeing the working tightness of the electric element 3, the effective heat radiation of the electric element 3 is realized, the working safety of a charger is guaranteed, the working efficiency of the charger is also effectively guaranteed, the radiating component II 6 comprises a plurality of radiating fins 61 which are arranged in parallel and a plurality of heat exchanging pipes 62 which are arranged in an array, each heat exchanging pipe 62 penetrates through the radiating fins 61, each radiating fin 61 is limited in the second inner cavity, the same radiating plate is fixedly installed on the top of each radiating fin 61, grooves are formed in penetration of two sides of the supporting plate 8, the radiating plate and the heat conducting strips 44 are penetrated in the grooves, and the bottom of the heat conducting strips 44 are connected with the radiating plate;

a heat dissipation box 7 is fixedly arranged on one side of the box body 1, a fan 71 capable of dissipating heat from wind force to the second inner cavity is arranged in the heat dissipation box 7, a driving motor is arranged in the fan 71, the driving motor can drive the fan 71 to rotate to generate wind force and conduct wind force to the heat dissipation fins 61 and the heat exchange tubes 62, the driving motor is electrically connected with an external power supply, the driving motor is controlled by a display controller and works together with the electric element 3 in a normal state, and the electric element 3 is arranged on the top of the supporting plate 8.

Example two

Referring to fig. 1 to 7, the present embodiment provides a technical solution based on the first embodiment: the battery pack charger with good safety also comprises a limiting component 5 which can fix the first heat dissipation component 4;

the limiting component 5 is provided with two and symmetrically arranged on two sides of the electric element 3, the two limiting components 5 comprise rotating shafts 51 which are rotatably arranged at the top of the supporting plate 8, clamping pieces 52 which are slidably connected with the top of the supporting plate 8 are arranged on the outer sides of the rotating shafts 51 close to the two ends, the clamping pieces 52 are combinations of sliding plates and L-shaped plates, the sliding plates are slidably connected with the supporting plate 8, the L-shaped plates are connected with the rotating shafts 51, meanwhile, the bottoms of the sliding plates and the L-shaped plates are fixedly connected, and after the two clamping pieces 52 relatively move to the limit stroke positions, the tops of the heat conducting strips 44 can be clamped and fixed.

When a user needs to inspect and repair the electric element 3, the sliding sleeve 57 rotates to drive the rotating shaft 51 and the inclined grooves 53 on the rotating shaft 51 to rotate, the inclined grooves 53 rotate to match the fixing nails 54 to drive the two clamping pieces 52 to slide along the surface of the supporting plate 8 and separate from each other until the clamping pieces 52 release the clamping connection of the tops of the heat conducting strips 44, at the moment, the spring 56 is stressed and stretched, the user slides the sliding sleeve 57 again, the sliding sleeve 57 slides along the surface of the rotating shaft 51 and is inserted into the limiting post 58, the limiting post 58 can realize the rotation limiting of the sliding sleeve 57, the user can release the clamping connection of the other group of clamping pieces 52 to the tops of the heat conducting strips 44 by the other way, the heat radiating component 4 can be taken off from the tops of the electric element 3 through the lifting handles 45, then the electric element 3 can be taken out for repair or directly repair, the outer sides of the rotating shaft 51 close to two ends are symmetrically provided with the inclined grooves 53, the inner sides of the clamping pieces 52 are fixedly provided with fixing nails 54 which are in sliding connection with the inner walls of the inclined grooves 53, namely, the inner sides of the L are fixedly provided with the fixing nails 54 which are fixedly arranged, the outer sides of the clamping pieces 52 and the outer sides of the fixing sleeves 55 are fixedly arranged between the two opposite sides of the clamping pieces 52 and the rotating shaft 52 and the fixing sleeves 55.

The sliding sleeve 57 is slidably arranged on the outer side of the middle part of the rotating shaft 51, the sliding sleeve 57 is a combination of a sleeve and an L-shaped rod, one ends of the sleeve and the L-shaped rod are fixedly connected, the sleeve slides along the surface of the rotating shaft 51, a user can drive the sliding sleeve 57 and the rotating shaft 51 to rotate by rotating the L-shaped rod, a limiting column 58 capable of limiting the rotation of the sliding sleeve 57 is fixedly arranged at the top of the supporting plate 8, and a clamping groove capable of limiting the rotation of the L-shaped rod is formed in the limiting column 58.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (8)

1. The utility model provides a group battery machine that charges that security is good, includes box (1), and one side fixed mounting of box (1) has charging contact (2), and the inner chamber fixed mounting of box (1) has electrical component (3), its characterized in that still includes:

a support plate (8) that divides the inner cavity of the case (1) into a first inner cavity and a second inner cavity, and in which the electrical component (3) is mounted;

the first heat dissipation component (4) is arranged at the top of the electric element (3) and can conduct heat to the first inner cavity and limit the electric element (3), and the first heat dissipation component (4) comprises two heat conducting strips (44);

the limiting component (5) can fix the first radiating component (4);

and the second radiating component (6) is arranged at the bottom of the first radiating component (4) and can radiate heat of the first radiating component (4) and the second inner cavity.

2. The battery charger with good safety according to claim 1, wherein the first heat dissipation assembly (4) comprises a plurality of heat dissipation pipes (41), the outer sides of the heat dissipation pipes (41) are fixedly provided with heat dissipation connecting blocks (42), the bottoms of the heat dissipation connecting blocks (42) are connected with heat dissipation surfaces arranged on the electric element (3), two sides of each heat dissipation pipe (41) are fixedly provided with heat dissipation fins (43) parallel to the axial direction of the heat dissipation pipe (41), the bottoms of the heat dissipation fins (43) are abutted to the top of the electric element (3), and the bottoms of the heat dissipation pipes (41) are extruded to the top edge part of the heat dissipation pipe (41).

3. The battery charger with good safety according to claim 2, wherein two heat conducting strips (44) are fixedly connected with the tail ends of the two ends of each radiating pipe (41), and the same handle (45) is fixedly arranged at the top of each radiating connecting block (42).

4. The battery pack charger with good safety according to claim 1, wherein the two limiting assemblies (5) are arranged at two sides of the electric element (3) symmetrically, the two limiting assemblies (5) comprise rotating shafts (51) rotatably mounted at the tops of the supporting plates (8), clamping pieces (52) slidably connected with the tops of the supporting plates (8) are mounted on the outer sides, close to the two ends, of the rotating shafts (51), and the tops of the heat conducting strips (44) can be clamped and fixed after the two clamping pieces (52) relatively move to the limit stroke positions.

5. The battery charger with good safety according to claim 4, wherein the outer sides of the rotating shafts (51) close to the two ends are symmetrically provided with inclined grooves (53), the two inclined grooves (53) are opposite in rotation direction, fixing nails (54) which are in sliding connection with the inner walls of the inclined grooves (53) are fixedly arranged in the clamping pieces (52), fixing sleeves (55) are rotatably arranged on the outer sides of the rotating shafts (51) and on the opposite sides of the two clamping pieces (52), and springs (56) sleeved on the outer sides of the rotating shafts (51) are fixedly arranged between the clamping pieces (52) and the adjacent fixing sleeves (55).

6. The battery charger with good safety according to claim 4, wherein a sliding sleeve (57) is slidably mounted on the outer side of the middle of the rotating shaft (51), and a limiting column (58) capable of limiting rotation of the sliding sleeve (57) is fixedly mounted on the top of the supporting plate (8).

7. The battery charger with good safety according to claim 1, wherein the second heat dissipating component (6) comprises a plurality of heat dissipating fins (61) arranged in parallel and a plurality of heat exchanging pipes (62) arranged in an array, each heat exchanging pipe (62) is arranged on the heat dissipating fin (61) in a penetrating mode, each heat dissipating fin (61) is located in the second inner cavity, the top of each heat dissipating fin (61) is fixedly provided with the same heat dissipating plate, two sides of the supporting plate (8) are provided with grooves in a penetrating mode, the heat dissipating plates and the heat conducting strips (44) are arranged in the grooves in a penetrating mode, and the bottoms of the heat conducting strips (44) are connected with the heat dissipating plates.

8. The battery charger with good safety according to claim 1, wherein a heat dissipation box (7) is fixedly installed on one side of the box body (1), a fan (71) capable of performing wind power heat dissipation on the second inner cavity is installed in the heat dissipation box (7), and the electric element (3) is installed on the top of the supporting plate (8).