CN215498391U

CN215498391U - Emergency power supply box

Info

Publication number: CN215498391U
Application number: CN202022386026.8U
Authority: CN
Inventors: 黄美琼
Original assignee: Guangdong Minhua Electrical Appliances Co ltd
Current assignee: Guangdong Minhua Electrical Appliances Co ltd
Priority date: 2020-08-30
Filing date: 2020-10-23
Publication date: 2022-01-11
Anticipated expiration: 2030-10-23
Also published as: CN217741378U

Abstract

The utility model provides an emergency power supply box, which relates to the field of emergency equipment, and comprises: a box body; the supporting plate is transversely arranged in the box body and used for bearing the battery pack; the first sliding fit part is longitudinally arranged in the box body above the supporting plate and is in sliding fit with the battery pack; and the first limiting part is arranged on the support plate and limits the battery along with sliding fit in the longitudinal direction. The battery assembly is limited in the longitudinal direction through the sliding fit of the first limiting part, so that the battery assembly is stable and fixed, the hole is not needed, the space utilization is improved, the installation time is saved, and the dismantling difficulty is improved; the inlet of the hole is arranged at the lower part of the box body, so that water is prevented from entering the box body along the line flowing into the hole; fixing the battery assembly on the upper part of the box body through a support plate, and reserving space for the feeding line; through thermal coupling heat dissipation, a heat dissipation fan is omitted, and the space compactness is further improved; through setting up turn-up protective structure, improve security and waterproof nature.

Description

Emergency power supply box

Technical Field

The utility model relates to the field of emergency equipment, in particular to an emergency power box.

Background

In a civil building, a primary load is powered by two power supplies, and when one power supply fails, the other power supply is not damaged; the power supply form of the first-stage load comprises two paths of high-voltage power supplies, one path of high-voltage power supply, one path of low-voltage power supply, a diesel generator set or a storage battery set; the particularly important load in the primary load is provided with an emergency power supply in addition to the two power supplies.

The emergency power supply box may be a box for storing electronic devices such as circuit boards of emergency evacuation indication systems, emergency power supplies, etc. to control emergency lights, etc. in public buildings. When the emergency power box adopts the battery pack for power supply, when power is supplied, the switch power supply supplies power, and after power failure, the battery pack supplies power to ensure illumination and indication of emergency evacuation or fire fighting operation.

In the prior art of the emergency power box, the opening is formed in the top of the box body, the inlet wire is connected with the switch power supply, and water easily enters the box body along the wire to cause equipment damage. The battery is established in the bottom to current emergency power supply case, be unfavorable for emergency power supply case inner space's effective utilization, the battery pack of bottom is usually via the bolt, threaded connection is in the box, for the steadiness of installation, it is used for threaded connection's bed course to set up between bottom half and battery pack usually, the degree of difficulty is removed to the time-consuming of installation low, bolted connection has also further reduced emergency power supply case inner space's effective utilization, switching power supply in current emergency power supply case passes through the fan heat dissipation, further obstructed emergency power supply case inner space's compactification.

The emergency power supply box body is formed by cutting a metal plate or punching the metal plate by a machine tool, bending the metal plate to form a box shape, and finally fixing the box shape at each connecting position by spot welding, so that the emergency power supply box body has the advantages of extremely various working procedures, long product forming time, extremely unstable size and high rejection rate, and sharp metal plates are easy to damage the personal safety of production personnel; the personal safety of user is also harmd easily to the sharp corner that forms during the use, and the border of current box forms for many boards welding basically, and most emergency power supply box all is the baking finish, after several years's use, can fall the lacquer, and then inside water liquid infiltration box, internal plant probably damaged.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks, the present invention is mainly directed to improve a battery fixing structure in a case, or to improve installability of a battery in the case and waterproof performance of the case.

In order to achieve one of the above objects, an embodiment of the present invention provides an emergency power supply box, including:

a box body;

the supporting plate is transversely arranged in the box body and used for bearing the battery pack;

a first sliding fit portion provided in the case above the support plate in a direction extending deep into the case (or in a direction extending into the case), and slidably fitted to the battery pack; the interior of the box body above the support plate comprises the support plate itself, such as the upper surface of the support plate.

And the first limiting part is arranged on the support plate and limits the position of the battery assembly in the stroke of the sliding fit.

In order to achieve one of the above objects, an embodiment of the present invention further provides an emergency power supply box, including:

a box body;

the first sliding fit part is arranged in the box body above the supporting plate, extends into the box body (or the depth of the box body) and is in sliding fit with the battery pack; the interior of the box body above the support plate comprises the support plate itself, such as the upper surface of the support plate.

In order to achieve one of the above objects, there is also provided in an embodiment of the present invention a further emergency power supply box, including:

a box body;

the first sliding fit part is arranged in the box body above the supporting plate along the longitudinal direction and is in sliding fit with the battery pack; the interior of the box body above the support plate comprises the support plate itself, such as the upper surface of the support plate.

And the first limiting part is arranged on the support plate and limits the battery component along with the sliding fit in the longitudinal direction.

Optionally, the first sliding fit portion is a side wall or a top wall of the box body; alternatively, the first snug fit is constructed at least in part from the side/top wall of the case.

Optionally, the first sliding fit part is arranged on a side wall or a top wall of the box body above the support plate, and comprises a first convex part or a first concave part, and the first convex part or the first concave part is clamped with a second sliding fit part on the battery pack and is in sliding fit along the longitudinal direction; the first convex portion and the first concave portion are a guide rail and a sliding groove extending in the longitudinal direction, respectively.

Optionally, the first sliding fit portion is disposed on the support plate and includes a first protruding portion or a first recessed portion, and the first protruding portion or the first recessed portion is in sliding fit with a second sliding fit portion on the battery pack in a clamping manner or in sliding fit along the longitudinal direction.

Optionally, the first projection comprises a cooperating at least one of a bent piece or an upturned flap, e.g. with its end, with the second sliding fit.

Optionally, the at least one bending piece is integrally formed on the support plate; wherein each of the at least one bending piece comprises:

the support plate is provided with a first bending section extending upwards and a second bending section extending from the first bending section to the second sliding fit part.

Optionally, the first bend section and the second bend section form a substantially inverted L-shape; the second bending section is at least partially in clamping connection with the second sliding fit part and is in sliding fit along the longitudinal direction.

Optionally, the at least one bending piece is implemented as a plurality of bending pieces, symmetrically and/or oppositely formed at both ends of the support plate in the transverse direction.

Optionally, the first concave part is a sliding groove extending longitudinally, and is in sliding fit with a sliding block or a clamping block on the battery assembly.

Optionally, the first sliding-fit portion is provided at a first end portion of the support plate in the lateral direction.

Optionally, the first position-limiting part is disposed on the upper surface of the support plate, and cooperates with the second position-limiting part on the bottom surface of the battery assembly to longitudinally limit the position of the battery assembly.

Optionally, the first position-limiting part is disposed on the upper surface of the support plate and cooperates with the second position-limiting part on the bottom surface of the battery assembly to limit the relative positions of the support plate and the battery assembly, for example, in the longitudinal direction.

Optionally, the first limiting part is in snap fit with the second limiting part; wherein, the first spacing part comprises a third concave part or a third convex part which is arranged on the upper surface of the bearing plate.

Optionally, the third concave portion includes a bayonet or a catch, and the bayonet or the catch is a rectangular groove and penetrates through the support plate and is adapted to the second limiting portion;

optionally, the third protrusion is elastic and comprises a fastener, the fastener is provided with a protruding elastic piece, and the protruding height of the elastic piece from the support plate is greater than the distance between the bottom surface of the sliding-fit battery pack and the support plate;

optionally, the height of the elastic element protruding out of the support plate is greater than the distance between the bottom surface of the battery pack in sliding fit and the support plate, and is less than the distance between the top end of the second limiting part in sliding fit and the support plate;

optionally, the elastic member includes a first elastic segment having a first thickness and a second elastic segment having a second thickness, the second elastic segment is in snap fit with the second limiting portion, and the second thickness is greater than the first thickness;

optionally, the second resilient segment is a hook-like structure.

Optionally, a sliding stroke/maximum sliding stroke of the first sliding fit portion is greater than a longitudinal distance between the first limiting portion and the front end of the support plate.

Optionally, a sliding stroke or a maximum sliding stroke of the first sliding fit portion is adapted to a longitudinal distance between the first limiting portion and the front end of the support plate.

Optionally, the support plate is fixed transversely to the upper middle part of the emergency power box.

Optionally, the battery assembly is carried on the support plate.

Optionally, the second sliding fit portion is disposed on a side surface of the battery assembly and extends toward a back plate of the box body; the second sliding fit part is a second concave part or a second convex part in sliding fit with the first sliding fit part.

Optionally, the bottom surface of the battery pack is provided with a second limiting portion adapted to the first limiting portion, and the end of the sliding fit stroke of the second sliding fit portion and the first sliding fit portion corresponds to the buckling between the first limiting portion and the second limiting portion.

Optionally, the second sliding fit portion includes a sliding groove and/or a guiding edge, and the second position-limiting portion includes one of the following three: a fourth convex portion, a fourth concave portion, or a fastener;

the sliding groove and/or the guide edge are/is in sliding fit with the at least one bending piece, so that the buckling piece is elastically buckled into the buckling position along with the battery component entering the back plate along the sliding groove or the guide edge, and the fourth convex part or the fourth concave part is in buckling fit with the first limiting part.

Further, the fourth protrusion is snap-fitted with a third recess on the support plate, and the fourth recess is snap-fitted with a third protrusion on the support plate.

Alternatively, the fourth convex part is matched and limited with a third concave part on the supporting plate, and the fourth concave part is matched and limited with a third convex part on the supporting plate.

Optionally, the second sliding fit portion includes a sliding groove, the second limiting portion includes a fastening member, and the sliding groove is in sliding fit with the at least one bending member so that the fastening member is elastically fastened into the fastening position along with the battery assembly moving to the back plate along the sliding groove.

Optionally, the locking member has an elastic member protruding from an outer surface thereof, and when the battery assembly slides relatively to the support plate in a locking manner along the longitudinal direction, the locking member falls into the locking position on the support plate, and the elastic member abuts against a side wall of the locking position.

Optionally, the fastener is a male fastener integrally formed on the bottom surface of the battery assembly, and the male fastener is elastically fastened into the fastening position when the battery assembly abuts against the back plate or at the end of the sliding stroke due to the sliding stroke of the sliding groove.

Optionally, the box body comprises a back plate and a plurality of walls surrounding the periphery of the back plate and connected with the back plate, wherein the plurality of walls comprise a top wall, a side wall and a bottom wall, and the longitudinal direction is a direction extending towards the back plate or a direction extending vertically along the side wall.

Alternatively, the longitudinal direction is a direction extending deep into the case body/extending vertically.

Optionally, the support plate further comprises at least one wire passing hole opened in the bottom wall or the part of the side wall below the support plate.

Optionally, the at least one wire passing hole is a knock-off hole and is formed in the bottom wall of the box body.

Optionally, a power cord routed upwardly through the at least one wire passage hole to couple the battery assembly is also included.

Optionally, a power source and a thermally conductive plate disposed below the back plate are also included, the thermally conductive plate being thermally coupled between the power source and the side wall of the housing.

Optionally, the first surface of the heat conducting plate is thermally coupled to the heating portion of the power supply through heat conducting silicone grease, the second surface of the heat conducting plate abuts against or abuts against the side wall of the box body, and the heat conducting plate is fixed to the side wall through screws or bolts penetrating through the side wall of the box body.

Optionally, the box body further comprises a control circuit board, a control panel and a box cover adapted to the box body; the power supply is a switching power supply; the control panel is arranged on the box cover and is connected to the control circuit board; the control circuit board is connected to the switching power supply and/or the battery pack.

Optionally, the battery assembly includes a battery and a housing that houses/encloses the battery. Optionally, the battery assembly comprises a battery.

Optionally, the battery is a secondary battery or a rechargeable battery.

Optionally, the ends of the walls far away from the back plate surround to form a port, and the box cover is connected with the box body and covers the port; the box body is integrally formed, and the outer connecting surface formed between the top wall and the side wall is an arc transition surface.

Optionally, a curled edge protection structure is formed at a matched edge of the port and the box cover, and the curled edge protection structure is an inner curled edge structure or an outer curled edge structure.

Optionally, the outer curled structure is integrally formed on the box body, and the outer curled structure is located at the arc transition surface and has a radian matched with the arc transition surface.

Optionally, the outer bead structure ring forms a circumferential flow guide groove at the port.

Optionally, the outer bead structure includes: the first extending edge is formed by bending the edge towards the inner side of the box body, the second extending edge is formed by bending the first extending edge towards the direction far away from the back plate, and the third extending edge is formed by bending the second extending edge towards the outer side of the box body.

Optionally, the extension height of the third extended edge is smaller than the extension height of the first extended edge.

Optionally, when the cover is covered on the port, the edge of the cover covers the outer side of the second extending edge and abuts against the first extending edge.

Optionally, the inner hemming structure comprises: the first extending edge is formed by bending the edge to the inner side of the box body, the second extending edge is formed by bending the first extending edge to the direction close to the back plate, and the third extending edge is formed by bending the second extending edge to the inner side/direction departing from the edge of the box body.

Optionally, when the box cover covers the port, the second extending edge covers the outer side of the edge of the box cover, and the edge of the box cover abuts against the third extending edge.

The utility model has the following advantages:

in some embodiments of the utility model, the first sliding fit portion disposed inside the case above the support plate in the longitudinal direction may allow the battery to be slidably inserted into the case by sliding fit with the battery assembly, and the sliding fit structure substantially defines the position/freedom of the battery in the lateral and vertical directions, and further, as the sliding fit progresses to a certain position in the sliding stroke thereof, the first position-limiting portion on the support plate may define the battery assembly in the longitudinal direction, for example, by fitting with the second position-limiting portion on the bottom surface of the battery assembly, thereby defining the battery assembly as a whole.

Need not to punch for battery installation at the diapire like among the prior art, improved the inside electric/electronic equipment layout rationality of box and the utilization degree in space, promoted the mountability of battery.

Furthermore, in the design of the box body in some embodiments of the utility model, a battery fixing structure in the box body is improved, after the battery is installed, the fixing structure is not exposed to the outside, so that the installation is convenient for a user, and meanwhile, the fixing structure is difficult to be opened easily by irrelevant personnel, such as theft prevention.

Furthermore, the partition board transversely arranged inside the box body can bear the battery assembly, so that the accommodating position of the battery assembly is not limited on the bottom wall, and therefore, compared with the prior art that the battery is installed on the bottom wall, the box body provided by the utility model has more space near the bottom wall, so that the arrangement of the wire passing hole on the bottom wall and the wire feeding/wiring through the wire inlet hole are possible, the water resistance of the wire passing hole on the bottom wall is better, and the power wire/control wire is upwards arranged and coupled with the battery after entering the box body through the wire passing hole on the bottom, so that the water/liquid on the power wire outside the wire inlet hole is difficult to enter the box body along the power wire (particularly after passing through the wire passing hole).

In some embodiments of the utility model, a heat conduction means is also utilized, and a heat conduction channel thermally coupled between the electric/electronic equipment in the box body and the side wall of the box body is formed by the heat conduction plate, so that a heat dissipation fan is eliminated, the failure rate is reduced, the space compactness is further improved, and the heat dissipation efficiency is improved.

In addition, the edge of the port of the box body is provided with the turned edge protection structure, so that sharp corners of the box body are difficult to contact with a human body, the damage to the human body is effectively avoided, the safety of the emergency power box is improved, rainwater is difficult to enter the box body due to the diversion arrangement, the waterproofness is further improved, and the emergency power box is suitable for accommodating electrical equipment or electronic equipment with high requirements on waterproofness.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic perspective view of an emergency power supply box according to the present invention;

FIG. 2 illustrates a cross-sectional structural schematic of one embodiment of an emergency power supply case of the present invention; FIG. 3A shows a schematic structural diagram of one embodiment of an emergency power supply case of the present invention;

FIG. 3B shows a schematic view of a partial enlarged structure at the circle in FIG. 3A;

FIG. 4 is a schematic cross-sectional view of another embodiment of an emergency power supply case of the present invention;

FIG. 5 is a schematic diagram of a back plate structure of one embodiment of an emergency power supply case of the present invention;

FIG. 6 shows a schematic diagram of a back plate structure of another embodiment of an emergency power supply case of the present invention;

fig. 7 is a perspective view illustrating a state in which an emergency power supply case of the present invention is slid into a battery pack;

FIG. 8 is a schematic diagram of a battery pack in a state in which an emergency power supply case of the present invention is slid into the battery pack;

fig. 9 is a perspective view illustrating an emergency power supply case according to the present invention in a state where the emergency power supply case is not slid into a battery pack; fig. 10 shows a schematic view of an emergency power supply case according to the present invention in an open state;

fig. 11 shows a schematic view of an emergency power supply case according to the present invention in a closed state;

FIG. 12 is a schematic cross-sectional view taken along line A-A of FIG. 11;

FIG. 13 is an enlarged partial schematic view of FIG. 12 at C;

fig. 14 is a schematic view showing another emergency power supply case of the present invention in an open state; fig. 15 is a schematic view showing a closed state of another emergency power supply case according to the present invention; FIG. 16 is a schematic cross-sectional view taken along section line B-B in FIG. 15;

FIG. 17 is an enlarged partial schematic view of FIG. 16 at D;

FIG. 18 shows a schematic structural view of another hemmed shield structure of the present invention; FIG. 19 shows a schematic structural view of another hemmed shield structure of the present invention;

figure 20 shows a schematic partial cross-sectional view of a rail/runner on a slip-fit back plate and a second projection on a battery pack of an embodiment of an emergency power supply case of the utility model;

FIG. 21 is a cross-sectional schematic view of one embodiment of an emergency power supply case of the present invention;

figure 22 shows a schematic partial cross-sectional view of the rolled up tab on the slip fit back plate and the second recess on the battery assembly of one embodiment of the emergency power supply case of the present invention.

Figure 23 shows a schematic partial cross-sectional view of the rolled up tab on the slip fit back plate and the second recess on the battery assembly of one embodiment of the emergency power supply case of the present invention.

Wherein the figures include the following reference numerals: b1, a support plate; b2, a first sliding fit portion; b22, a chute; b23, a fixture block; b24, bending piece; b241, a first bending section; b242, a second bending section; b25, upward rolling sheet; b26, a guide edge; b3, a first limit part; b31, a fastener; b311, an elastic member; b3111, a first elastic section; b3112, a second elastic section; b32, buckling; b4, a battery pack; b5, a wire through hole; b6, bolts; b7, side walls; b8, top wall; b9, bottom wall; b10, a heat conducting plate; b11, a power supply; b12, heat-conducting silicone grease; b88, power supply line/wire; 8. a box body; 9. a back plate; 10. a wall; 11. a first extending edge; 12. third edge extension; 13. second extending; 14. a first extension portion; 15. a second extension portion; 16. A protrusion; 20. and a box cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Fig. 1 is a perspective view showing an emergency power supply case according to the present invention, and as shown in fig. 1, the present embodiment discloses an emergency power supply case including a case body 8, a support plate B1 transversely disposed in the case body 8 for supporting a battery pack B4, transversely seen in the direction of the transverse arrow in fig. 1.

The first slide-fitting portion B2 is provided inside the case 8 above the support plate B1 in the longitudinal direction, see the direction of the longitudinal arrow in fig. 1, and is slide-fitted with the battery module B4.

The battery pack B4 slides into the box body 8 through the first sliding fit part B2 in the longitudinal direction, the sliding fit enables the space size of the box body 8 above the support plate B1 to be infinitely close to the size of the battery pack B4, the space utilization rate is greatly improved, and bolt installation space and a cushion layer which is usually needed by bolt connection are not needed any more; the first stopper portion B3 is provided on the support plate B1 to define the battery assembly B4 in the longitudinal direction with a sliding fit.

The position/freedom of the battery assembly B4 is substantially defined in the lateral and vertical directions by the sliding fit structure between the first sliding fit portion B2 and the battery assembly B4, only the freedom of the battery assembly B4 in the longitudinal direction is retained, and the first stopper portion B3 is fitted with the surface of the battery assembly B4 to define the position of the battery assembly in the longitudinal direction as the sliding fit progresses, thereby defining the spatial position of the battery assembly in the case and on the support plate B1 as a whole.

Through the mechanical coupling effect of first sliding fit part B2 and first spacing part B3, battery pack B4 is compactly installed and has improved the effective utilization of space in the space that bearing plate B1 and box 8 are injectd, need not to punch the installation on box 8 or bearing plate B1, avoided because of the required space of reserving of installation, only need slide an operation just can fix battery pack B4 firmly, the space more than bearing plate B1 only needs slightly to be greater than battery pack, can conveniently install this battery pack B4, the mountability has been improved.

Fig. 21 shows a schematic cross-sectional structure of an embodiment of the emergency power supply box of the present invention, and as shown in fig. 21, the first sliding fit portion B2 is a side wall B7 or a top wall B8 itself of the box body 8, for example, the side wall B7 may slide relative to the battery pack B4 in the longitudinal direction, or the first sliding fit portion B2 is at least partially configured by a side wall B7 and/or a top wall B8 of the box body, which means that the side wall B7/the top wall B8 itself is implemented as the first sliding fit portion B2. This is particularly advantageous for emergency power boxes with high space requirements.

Fig. 2 is a schematic cross-sectional structure view showing an embodiment of an emergency power supply box of the present invention, and as shown in fig. 2, a first sliding fit portion B2 is provided on a side wall B7 or a top wall B8 of the box body above a support plate B1, and includes a first convex portion or a first concave portion, and the first convex portion or the first concave portion is snap-slidably fitted with a second sliding fit portion provided outside a battery pack B4 in a longitudinal direction.

Fig. 3A shows a schematic structural diagram of an embodiment of an emergency power box of the present invention, and fig. 3B shows a schematic partial enlarged structural diagram at a circle in fig. 3A. As shown in fig. 3A-3B, a first slide-fit portion B2 is provided on the support plate B1, and a first slide-fit portion B2 includes a first convex portion or a first concave portion which is snap-fit with a second slide-fit portion provided outside the battery assembly B4 in the longitudinal direction.

The first male portion (or first female portion) and the second sliding portion are slidably engaged with each other, for example, in a snap-fit manner, which only allows a longitudinal degree of freedom for the battery module B4.

Further, a first slide-fit portion B2 is provided at one end portion in the lateral direction of the support plate B1.

Alternatively, fig. 4 shows a schematic cross-sectional structure of another embodiment of the emergency power box of the present invention, and as shown in fig. 4, the first sliding-fit portion B2 includes a sliding slot B22, and may also be provided on the side wall B7 of the box body 8 above the supporting plate B1.

Further, as shown in fig. 3A-3B, the first protrusion includes at least one bent piece B24 provided on the support plate B1, and the at least one bent piece B24 may be welded, integrally formed with the support plate B1, or the like. The end section of each of the at least one bent piece B24 mates with the second slip fit portion.

At least one bending piece B24 or upward rolling piece which is integrally formed on the support plate B1 has simple structure and high manufacturability. Further, each of the at least one bending pieces B24 includes: the support plate B1 breaks a first bent section B241 extending upward, and a second bent section B242 extending from the first bent section B241 to a second sliding fit section provided in the battery pack B4, and the second bent section B242 is configured to engage with the second sliding fit section.

The extension angle and the extension size of the first bending section B241 are both adapted to the position relationship between the battery assembly B4 and the box body 8, and the second bending section B242 extending towards the second sliding fit part facilitates the relative sliding of the tail section thereof in a clamping manner with the second sliding fit part of the side wall B7 of the battery assembly B4, so that the battery assembly B4 can be stably ensured to have only longitudinal freedom.

Still further alternatively, the first bent section B241 and the second bent section B242 may be formed in a substantially inverted L shape, which ensures structural strength, and the battery assembly B4 may be adapted to have a generally rectangular parallelepiped shape, thereby saving space and securing the second bent section B242 or the end section of the second bent section B242 to be engaged with the second sliding-fit portion.

In the case of high space requirement, a bent piece B24 may be provided at one end of the support plate in the transverse direction, and the other side may be slidably fitted to the battery module through the side wall of the case and the side wall of the battery or the first sliding-fitting portion constituted by the side wall B7.

The at least one bending piece B24 includes a plurality of bending pieces, as shown in fig. 3 and 5, the number of the bending pieces may be even, the bending pieces are symmetrically formed at both ends of the support plate B1 in the transverse direction, and the bending pieces B24 are oppositely disposed at two portions symmetrically distributed at both ends of the support plate B1, especially the second bending sections B242 of the bending pieces are oppositely disposed, and the bending pieces B24 further improve the stability of the longitudinal sliding fit between the battery modules B4 by respectively arranging two sets of the bending pieces at both ends of the support plate B1, and the number of each set of the bending pieces is 2 or more.

Still further alternatively, as shown in fig. 3B, the first recess on the support plate B1 may be implemented as: the bending piece 24 bends downward (or toward the wall of the battery) to form a space. The battery pack B4 is provided with a longitudinally extending guide rib B26, the guide rib B26 is a second protrusion, and the guide rib B26 and the first recess on the support plate B1 are relatively slidably fitted. Further, the battery module B4 is provided with both the slide groove 22 and the guide rib B26 extending in the longitudinal direction, and the bending piece 24 is slidably fitted in the slide groove 22 and the guide rib B26 is slidably fitted in the first concave portion, forming a double male-female slide-fitting structure.

Further alternatively, fig. 22 shows a schematic partial cross-sectional view of an embodiment of an emergency power supply case of the utility model, as shown in fig. 22, the first protrusion comprising at least one upper flap B25 provided on a support plate B1, the at least one upper flap B254 being provided in a similar manner to the folds in the other embodiments: it may be formed by extending upward through the punching support plate B1 or may be fixed to the support plate B1 by welding or the like, and the end of each of these upper flaps B254 is fitted to the second sliding-fit portion.

Further, as shown in fig. 23, the space below at least one upward-rolled sheet B25 on the support plate B1 is a first concave portion, the battery module B4 is provided with a longitudinally extending guide rib B26, the guide rib B26 is a second convex portion, and the guide rib B26 and the first concave portion are in relative sliding fit, allowing the battery module to be placed in the case in a sliding manner.

Further, the latch 31 disposed on the bottom surface of the battery pack B4 is lifted by the support member on the bottom surface of the battery pack B4, so as to facilitate the latch fitting (for example, in an elastic manner) between the latch 31 and the first stopper on the support plate B1, thereby fixing the battery pack B4 on the support plate B1.

Alternatively, as shown in fig. 4, the first concave part is a longitudinally extending guide rail or slide groove B22, which is slidably engaged with a second convex part on the battery pack B4, respectively, and the second convex part may be a slide block or latch B23, and the slide block or latch B23 may have a strip shape along the sliding direction.

It is understood that the guide or slide way B22 can also be provided on the support plate B1, the guide or slide way B22 and the slide or latch B23 can be modified as required, as shown in figure 20 which is a schematic partial cross-sectional view of the guide/runner B22 on the slidably engaged support plate B1 and the second projection on the battery module B4, wherein, fig. 20 mainly illustrates an embodiment of the sliding fit between the supporting plate B1 and the battery pack B4, the guiding rail/sliding groove B22 extends on the supporting plate B1 along the longitudinal direction, the bottom surface of the battery pack B4 is provided with a second protrusion, which can be a sliding block or a block B23, the sliding block or the block B23 is clamped in the guiding rail/sliding groove B22 to slide longitudinally, this substantially defines the position/freedom of the battery assembly B4 in the lateral and vertical directions, leaving only the freedom of the battery assembly B4 in the longitudinal direction, further saving space on both sides of the case 8 above the support plate B1.

Further, the slide block or latch B23 may be a wedge, and further, the slide block or latch B23 may be a dovetail, and the track/slot B22 may be shaped to fit the wedge or dovetail.

Vice versa, the second sliding engagement portion of the battery module B4 is formed as a third recessed portion including the guide rail/slide groove B22, and the support plate B1 is formed with a first protruding portion such as a bar-shaped slider or a prismatic slider, which will not be described in detail.

Fig. 5 is a schematic structural diagram of a support plate of an embodiment of the emergency power supply box of the utility model, and as shown in fig. 5, the first limiting portion B3 includes a concave portion and a third concave portion or a third elastic convex portion, the third concave portion is arranged on the upper surface of the support plate B1, and is matched with the second limiting portion on the bottom surface of the battery assembly B4 in a snap-fit manner (or simply: in a snap-fit manner) to longitudinally limit the relative positions of the support plate B1 and the battery assembly B4.

The third concave part of the concave part comprises a bayonet or a buckling position B32, wherein the bayonet or the buckling position B32 is a rectangular groove, penetrates through the support plate B1 and is matched with the second limiting part.

Alternatively, fig. 6 shows a schematic structural diagram of a supporting plate of another embodiment of the emergency power supply box of the utility model, as shown in fig. 6, the third protrusion includes a snap-in piece B31, the snap-in piece B31 has a protruding elastic piece B311, and the height of the elastic piece B311 protruding from the supporting plate B1 is greater than the distance between the bottom surface of the sliding-fit battery pack B4 and the supporting plate B1.

Further, the thickness of the elastic piece B311 is larger than the distance between the bottom surface of the battery pack B4 in sliding fit and the support plate B1, and is smaller than the distance between the top end of the second stopper in sliding fit and the support plate B1. Reliable limiting is ensured, and longitudinal sliding affecting the battery assembly B4 is avoided.

Alternatively, the maximum sliding travel of the first sliding engagement portion B2 is greater than the longitudinal distance between the first stopper portion B3 and the front end of the support plate B1. This ensures that the first stopper portion B3 can be stopped in the longitudinal sliding. Further, the maximum sliding travel of the first slide-fitting portion B2 is adapted to the longitudinal distance of the first stopper portion B3 from the front end of the support plate B1.

It is understood that the rear end of the support plate B1 is the end close to the back plate 9, the front end is the end far from the back plate, and the first sliding-fit portion B2 is provided at the end position of one side or both sides of the support plate B1, which refers to the ends of both the left and right sides in the lateral direction.

Optionally, the support plate B1 is fixed transversely to the upper middle portion of the emergency power supply box.

Optionally, the box 8 comprises a back panel 9 and a plurality of walls surrounding the periphery of the back panel 9 and connected to the back panel 9, the walls including a top wall B8, a side wall B7 and a bottom wall B9, the longitudinal direction being the direction extending along the side wall B7 towards the back panel 9, preferably perpendicular to the back panel 9.

Example 2

Fig. 7 is a schematic perspective view showing a state in which an emergency power supply box according to the present invention is slid into a battery pack, and as shown in fig. 7, in this embodiment, a battery pack B4 is disposed in a box 8 and supported on a support plate B1. Alternatively, the battery pack B4 is provided at its side with a second slide-fit portion extending in the direction (vertical) toward the back panel 9 of the case 8.

Further, the second slip fit portion includes a second convex portion or a second concave portion.

Alternatively, fig. 8 is a schematic view showing a structure of a battery pack in a state where an emergency power supply case of the present invention is slid into the battery pack, and as shown in fig. 8, the second concave portion includes a guide rail/slide groove B22 provided on one side surface of the battery, extending in the longitudinal direction. The guide rail/runner B22 is slidably engaged with a first slide engaging portion on the support plate B1 or the side wall of the case 8. This substantially defines the position/freedom of battery assembly B4 in both the lateral and vertical directions, leaving only the freedom of battery assembly B4 in the longitudinal direction.

Vice versa, namely the second sliding fit part on the battery assembly B4 is formed as a second convex part, the second convex part can be a slide block or a block B23, and the support plate B1 is formed with a first concave part such as a guide rail/sliding chute, etc., which will not be described in detail.

Optionally, as shown in fig. 8, the bottom surface of the battery pack B4 is provided with a second position-limiting part to fit the first position-limiting part B3, and the end of the sliding fit stroke of the second sliding fit part and the first sliding fit part B2 corresponds to the engagement between the first position-limiting part B3 and the second position-limiting part.

Further, the second concave portion includes a sliding groove B22, the second limiting portion includes a fourth convex portion or a fourth concave portion, further, the fourth convex portion includes a buckle element B31, the sliding groove B22 is in sliding fit with at least one bending element B24 so that the buckle element B31 is elastically buckled into the buckle position B32 along with the battery assembly B4 along the sliding groove B22 to the back plate 9.

Further, the fastener B31 has an elastic member B311 protruding from the outer surface of the fastener B31, when the battery module B4 slides relatively in the longitudinal direction with the support plate B1 in a snap fit manner, the fastener B31 falls into the fastening position B32, and the elastic member B311 abuts against the side wall of the fastening position B32, thereby defining the position of the battery module B4 in the longitudinal direction.

Optionally, the fourth protrusion is a male buckle integrally formed on the bottom surface of the battery assembly B4, and the sliding stroke of the sliding groove B22 is set so that the male buckle is elastically buckled into the buckling position B32 when the battery assembly B4 abuts against the back plate 9 or at the end of the sliding stroke.

Alternatively, the latch B31 as the fourth protrusion is provided on the bottom surface of the battery pack B4, and further, the latch B31 may be provided in plurality side by side.

The sliding groove B22 as the second sliding engagement portion extends longitudinally along the side wall B7 of the battery pack B4, i.e. extends (vertically) toward the back plate 9, and the sliding stroke thereof is approximately the length of the recessed portion of the sliding groove B22 in the figure, which is greater than the longitudinal distance between the latch B31 and the front end of the support plate B1, and as the battery pack B4 slides along the sliding groove B22, the latch B31 falls into the first position-limiting portion such as the latch B32, and the elastic latching engagement occurs.

Further, the sliding stroke and the longitudinal distance between the fastener B31 and the front end of the support plate B1 are matched, so that as the battery pack B4 slides along the sliding groove B22 to the end of the sliding stroke, the fastener B31 falls into a first limit part such as the fastening position B32 to be elastically buckled and matched. It will be appreciated that by setting the magnitude of the slide stroke, the depth of the battery assembly B4 in the case 8, i.e., the displacement in the longitudinal direction, can be controlled.

Further, the latch B31 is provided with an elastic member B311, the elastic member B311 includes a first elastic section B3111 having a first thickness and a second elastic section B3112 having a second thickness, and the second elastic section B3112 is engaged with the second position-limiting portion in a latching manner. The second thickness is greater than the first thickness. Further, the second elastic segment B3112 is in a hook-like structure. The second resilient section B3112 of the second thickness projects at least partially beyond the support plate B1 by a height greater than the distance between the bottom surface of the slip-fit battery pack B4 and the support plate B1.

Vice versa, the fourth recess comprises a bayonet or catch B32, the bayonet or catch B32 snap-fits with the third protrusion of the support plate B1, and no further description is given.

Example 3

As shown in fig. 9, the embodiment discloses an emergency power supply box, which includes a box body 8, the box body 8 includes a back panel 9 and a plurality of walls surrounding the periphery of the back panel 9 and connected to the back panel 9, including a top wall B8, a side wall B7 and a bottom wall, and the longitudinal direction is a direction extending along the side wall B7 toward the back panel 9. And at least one wire through hole B5 opened in the box body 8 below the support plate B1.

Furthermore, the bottom wall of the box body 8 is provided with at least one wire through hole B5, and electrical circuits such as power wires enter from the bottom instead of the top, so that water drops are prevented from entering electrical equipment and electronic equipment such as a battery pack B4 in the box body 8 along the wire. At least one wire through hole B5 is a knock-out hole, and is convenient to open as required in the construction/installation process.

A plurality of wire passing holes B5 in the form of knock-out holes are provided in the bottom wall of the case 8. The knock-off hole is convenient for selectively opening the wire through hole B5 according to the installation condition, and the waterproofness is further improved.

The supporting plate B1 transversely arranged in the box body 8 is used for bearing the battery pack B4, and since the battery pack B4 is arranged above the supporting plate transversely arranged in the box body 8 instead of being arranged on the bottom wall of the box body 8, enough wiring space is reserved at the bottom of the box body 8, and the connection of a circuit and a circuit of equipment such as a switching power supply in an emergency power supply box and the arrangement of the switching power supply are facilitated.

Optionally, as shown in fig. 7, the emergency power supply case further includes a power cord routed upwardly through at least one cord passing hole B5 to couple the battery assembly B4.

Further, as shown in fig. 4, the emergency power supply case further includes a power supply B11 and a heat conductive plate B10 disposed below the supporting plate B1, the heat conductive plate B10 being thermally coupled between the power supply B11 and the side wall B7 of the case body 8. The power cord B88 is connected to the power source B11 through at least one cord passing hole B5 upward to couple the battery assembly B4.

Further, the heat conductive plate B10 is vertically disposed, a first surface of the heat conductive plate B10 is thermally coupled to a heat generating portion of the power supply B11 through the heat conductive silicone grease B12, a second surface of the heat conductive plate B10 abuts or abuts against the side wall B7 of the case 8, and the heat conductive plate B10 is fixed to the side wall B7 by a screw or bolt B6 penetrating through the side wall B7 of the case 8.

Further, the screw or bolt B6 has an air cooling function.

It should be understood that: when we use the term "thermally coupled," we mean to broadly encompass: for example, any arrangement that allows heat to flow easily, or heat transfer to occur easily between (or among) two (or more) thermally coupled objects.

Optionally, the emergency power supply box further comprises a control circuit board, a control panel and a box cover adapted to the box body 8; the power supply is a switching power supply; the control panel is mounted on the case cover 20 and connected to the control circuit board; the control circuit board is connected to the switching power supply and/or the battery pack B4.

When fire protection power is present, it is passed into the box through the knock-out hole to power a switching power supply that powers the equipment to which it is coupled, such as an emergency lighting system, and also charges battery B4. When the fire-fighting power supply is cut off, the battery B4 supplies power for emergency lighting equipment and the like, so that the lighting of lighting personnel evacuation or fire-fighting operation illumination and signs are guaranteed, and the like.

The status of the battery B4 or switching power supply and other electrical, electronic, emergency lighting, etc. devices is accessible through a control panel on the cover 20.

Optionally, battery assembly B4 includes a battery and a housing that houses/encloses the battery. Optionally, battery assembly B4 includes a battery.

Optionally, the battery is a secondary battery or a rechargeable battery.

Example 4

As shown in fig. 10, the present embodiment discloses an emergency power supply box, including: the box body 8 and the box cover 20, the box cover 20 is connected with the box body 8 and covers the port; at least one of the box body 8 and the box cover 20 is integrally formed.

Through adopting integrated into one piece design, compare in welded structure's emergency power supply box, this embodiment passes through punching press direct forming, very big simplification production technology, reduction in production cost.

In this embodiment, the box 8 includes a back plate 9 and a plurality of walls 10 surrounding the periphery of the back plate 9 and connected to the back plate 9, and the ends of the walls 10 away from the back plate 9 are surrounded to form ports.

The port is provided to facilitate the user to remove the fire fighting equipment from the tank 8 or to perform maintenance on the fire fighting equipment in the tank 8.

The outer connecting surface between each two adjacent walls 10 of the plurality of walls 10 forms a circular arc transition surface.

At least two outer connecting surfaces formed between two adjacent side walls are arc transition surfaces, four outer connecting surfaces of the box body 8 are arc transition surfaces in the embodiment, and of course, only two outer connecting surfaces on the upper part of the box body 8 are arc transition surfaces, and the outer connecting surfaces are set to be the arc transition surfaces, so that the corners of the box body 8 and/or the corners of the box cover 20 can be prevented from damaging the human body.

Example 5

As shown in fig. 11, in the present embodiment, the box body 8 and the box cover 20 are rectangular, and the box body 8 and the box cover 20 form a substantially closed space to protect the fire fighting equipment therein.

The shape and size of the box 8 are adapted to the shape and size of the box cover 20, and those skilled in the art can determine the shape and size according to actual needs in specific implementation, and are not limited herein. Two adjacent walls 10 junction is formed with the box edges and corners perpendicular to backplate 9, and at least one box edge and corner is the fillet in four box edges and corners of box 8, promptly: rounded/rounded edges.

It should be noted that the back plate 9 is a surface of the rectangular box, and the four box corners are four edges of the rectangular box perpendicular to the back plate.

The border of case lid 20 is formed with four case lid edges and corners that correspond with four box edges and corners, and four box edges and corners are the fillet in this embodiment, and four case lid edges and corners are the fillet.

Of course, two box body edges at the upper part of the box body 8 can be set to be round corners, and two box cover edges at the upper part of the box cover 20 can also be set to be round corners.

The edge of the port that mates with the lid 20 is formed with a bead shield structure that prevents the edge of the port from causing damage to a person, and in particular, the bead shield structure may be formed around the entire port or only a portion of the port, such as the left, right, and top edges of the port.

The bead protection has a curvature at the corner of the wall 10 with a radius adapted to the radius. In addition, the design of the integrated into one piece between the fillet edges and corners on the box of the cuboid and the box, the radian of the turned edge protection structure at the fillet, are also the design integrated into one piece with the whole box, and the manufacturability of the product is improved by the structure.

As shown in fig. 12 and 13, the hem protecting structure in this embodiment is an outward-curled structure, and a circumferential diversion trench is formed at an annular end of the outward-curled structure.

The outer hem structure includes: the box body 8 comprises a first extending edge 11 formed by bending the edge towards the inner side of the box body 8, a second extending edge 13 extending from the first extending edge 11 towards the direction far away from the back plate 9 and a third extending edge 12 bent from the second extending edge 13 towards the outer side of the box body 8, wherein the extending height of the third extending edge 12 is smaller than that of the first extending edge 11.

In this embodiment, the first extending edge 11 not only connects the box body 8 and the second extending edge 13, but also limits the box cover 20 to prevent the box cover 20 from entering the box body 8, and further, for example, the box cover is difficult to open due to being stuck, or fire fighting equipment in the box body 8 is damaged.

When the cover 20 is closed, when the cover 20 covers the port, the edge of the cover 20 covers the outer side of the second extending edge 13 and abuts against the first extending edge 11, a certain gap exists between the second extending edge 13 and the edge of the cover 20, and the extending height of the third extending edge 12 is smaller than the gap between the second extending edge 13 and the edge of the cover 20.

In this embodiment, the human body mainly contacts the third extending edge 12 when contacting the box body 8, and the wider the width of the third extending edge 12, the larger the contact surface with the human body, the less the damage to the human body.

Compare in the emergency power supply box among the prior art, the hem protective structure of this embodiment has avoided the human body by emergency power supply box scratch or cut, effectively improves emergency power supply box's security.

In specific implementation, the first extending edge 11, the second extending edge 13 and the third extending edge 12 are integrally formed on the box body 8, and the first extending edge 11, the second extending edge 13 and the third extending edge 12 form a groove-shaped structure.

The slot type structure can hold the dust and the water that the part got into through the gap between box 8 and the case lid 20, play the function of protection fire-fighting equipment, because first edge 11 that prolongs, the second edge 13 that prolongs, the third edge 12 integrated into one piece's slot type structure does not have the welding gap, water among the slot type structure can't get into in the box 8, water can only flow downwards and discharge through the slot type structure of box 8 both sides, avoid the inside electron device of box 8 to take place the short circuit, simultaneously because the slot type structure has the radian with circular arc transition face looks adaptation, water can be very smooth and easy when the slot type structure flows.

Furthermore, the joint of the first extending edge 11 and the wall 10, the joint of the first extending edge 11 and the second extending edge 13, and the joint of the second extending edge 13 and the third extending edge 12 are all subjected to fillet treatment, so that the safety of the emergency power box is improved, and the emergency power box is more attractive.

Further, the first extending edge 11 is perpendicular to the wall 10, the second connecting portion 13 is parallel to the wall 10, and the third extending edge 12 is perpendicular to the wall 10 and parallel to the first extending edge 11.

Further, in order to improve the sealing performance of the emergency power supply box, a circle of sealant which is in sealing fit with the hemming protection structure is arranged on the edge of the box cover 20 close to one side of the back plate 9. The sealant is preferably polyurethane foaming glue. When the case cover 20 is closed, the third extending edge 12 presses the sealant, so that the sealant is deformed to plug a gap between the case cover 20 and the case body 8, thereby further improving the sealing performance of the emergency power supply case.

Further, the case cover 20 is embedded with a control panel, and the electric/electronic devices are provided in the case 8, and the control panel is electrically connected (wired/wireless) to the electric/electronic devices. The emergency power supply box has good sealing property or water resistance, and keeps a low-humidity environment in the box body, so that the emergency power supply box can well protect electronic devices in the box body, and the emergency power supply box is suitable for mounting electronic devices, power supplies and other electrical equipment/electronic equipment.

Example 6

This embodiment provides another emergency power box, and the same parts as those in embodiment 5 are not described herein again, and only different parts will be described below.

As shown in fig. 14, 15, 16 and 17, the hemming protection structure in this embodiment is an inner hemming structure, and the inner hemming structure includes: a first extending edge 11 formed by bending the edge towards the inner side of the box body 8, a second extending edge 13 extending from the first extending edge 11 towards the direction close to the main body of the box body 8, and a third extending edge 12 bent from the second extending edge 13 towards the inner side of the box body 8. When the cover 20 is covered on the port, the second extending edge 13 covers the outer side of the edge of the cover 20, and the edge of the cover 20 is abutted against the third extending edge 12. The width of the second extending edge 13 is the same as the width of the edge of the case cover 20, so that the emergency power supply case has better flatness when the case cover 20 covers the port of the case body 8.

In this embodiment, the third extending edge 12 is used for limiting the case cover 20, the portion contacting with the human body is the first extending edge 11, and the first extending edge 11 is a plane, so that the human body can be effectively prevented from being scratched or cut by the corners of the emergency power supply case, and the safety of the emergency power supply case is effectively improved.

Further, as shown in fig. 18, a side of the third extending edge 12 away from the second extending edge 13 is formed with a folding mechanism or a curling mechanism, and the folding mechanism includes: a first extending part 14 extending to a position close to the bending position of the first extending edge 11 in the direction close to the main body of the box body 8, a second extending part 15 extending from the first extending part 14 to the inner side of the box body 8, and a second extending part 15 bending from the second extending part 15 to the second extending edge.

Since the hemming structure is the same as the hemming structure, the difference between the hemming structure and the hemming structure is only that the extending edge of the hemming structure is arc-shaped, and therefore, the hemming structure is only taken as an example in the embodiment for description.

Further, as shown in fig. 19, in order to reinforce the structural strength of the second extending edge 13, the second extending edge 13 forms at least one strip-shaped protrusion 16 towards the outer side of the box body 8, and the height of the protrusion 16 relative to the second extending edge 13 is smaller than the height of the first extending edge 11 relative to the second extending edge.

Further, the box body 8 and the cover 20 are hinged by a connecting member, which is a hinge or a hinge, for facilitating the opening and closing of the cover 20, although the type of the connecting member is not limited thereto, and may be other devices having the same function.

Example 7

In this embodiment, the outer curling structure is integrally formed on the box body 8, and the outer curling structure has a radian matched with the arc transition surface at the arc transition surface.

Because outer hem structure has the radian with circular arc transition face looks adaptation, water can be through circular arc transition portion when outer hem structure (for example the slot in this hem structure) flows, smoothly flows along the box both sides, and because outer hem structure including circular arc transition portion all is integrated into one piece in box 8, consequently in the flow process of outer hem structure along, especially when passing through circular arc transition portion, water liquid also can not permeate the box, to a great extent has promoted the leakproofness of box, or water conservancy diversion/drainage nature.

The groove-shaped structure on the box body 8 is integrally formed without a welding opening. In addition, integrative tensile box 8, the four sides are taut, and intensity is higher, and stability is good, and manufacturability is good, and it is little to be influenced by the operator skill.

Embodiment 8 the present invention also provides a fire fighting system, comprising: the emergency power box is the emergency power box of the embodiment.

The fire fighting system in some embodiments, in addition to the emergency power supply box, further comprises: also housed within the case is an electrical/electronic device comprising at least one of: a fire alarm host, a fire product controller, an emergency lighting special power supply, an emergency lighting system, an emergency lighting centralized power supply, an electric meter box, a distribution electric device box, a distribution box or a fire monitoring host; the fire control monitoring host computer includes respectively including: fire alarm controller, emergency lighting controller, prevent fire door controller.

The fire fighting system in some embodiments, in addition to the emergency power supply box, further comprises: a water hose, a water gun and a fire extinguisher which are contained in the emergency power supply box. Specifically, the emergency power supply box in the above embodiment may be implemented as a fire hydrant box and a fire extinguisher box.

Example 1 is an emergency power supply case, comprising,

a box body;

the first sliding fit part is arranged in the box body above the supporting plate along the longitudinal direction and is in sliding fit with the battery pack;

Example 2 may include the subject matter of example 1, and may further include,

wherein the first sliding fit part is a side wall or a top wall of the box body;

alternatively, the first snug fit is constructed at least in part from the side/top wall of the case.

Example 3 may include the subject matter of any one of examples 1-2, and may further include wherein the first sliding fit portion is provided on a side wall or a top wall of the case above the support plate, includes a first convex portion or a first concave portion, and is slidably fitted in a longitudinal direction in snap fit with a second sliding fit portion on the battery module;

the first convex portion and the first concave portion are a guide rail and a sliding groove extending in the longitudinal direction, respectively.

Example 4 may include the subject matter of any one of examples 1-3, and may further include wherein the first sliding fit portion is provided on the support plate, includes a first convex portion or a first concave portion, and is longitudinally slidably fitted with a second sliding fit portion on the battery assembly.

Example 5 may include the subject matter of any of examples 1-4, and may further include wherein the first projection includes at least one bend or rolled-up tab that mates with the second slip fit.

Example 6 may include the subject matter of any of examples 1-5, and may further include wherein the at least one flexure is integrally formed on the support plate; wherein each of the at least one bending piece comprises: the support plate is provided with a first bending section extending upwards and a second bending section extending from the first bending section to the second sliding fit part.

Example 7 may include the subject matter of any of examples 1-6, and may further include wherein the first bend segment and the second bend segment comprise a substantially inverted L-shape; the second bending section is at least partially in clamping connection with the second sliding fit part and is in sliding fit along the longitudinal direction.

Example 8 may include the subject matter of any one of examples 1-7, and may further include wherein the at least one bend is a plurality of bends formed symmetrically and/or opposite to both ends of the support plate in the lateral direction.

Example 9 may include the subject matter of any one of examples 1-8, and may further include wherein the first recess is a longitudinally extending runner that slidingly engages a slider or latch on the battery assembly.

Example 10 may include the subject matter of any one of examples 1-9, and may further include wherein the first slip fit is disposed at a first end of the support plate in a lateral direction.

Example 11 may include the subject matter of any one of examples 1-10, and may further include wherein the first stopper portion is disposed on the support plate upper surface to cooperate with a second stopper portion of the battery assembly bottom surface to longitudinally define the position of the battery assembly.

Example 12 may include the subject matter of any of examples 1-11, and may further include wherein the first stop portion is snap-fit with the second stop portion; wherein, the first spacing part comprises a third concave part or a third convex part which is arranged on the upper surface of the bearing plate.

Example 13 may include the subject matter of any one of examples 1-12, and may further include wherein the third recess comprises a bayonet or catch that is a rectangular slot extending through the support plate and mating with the second stop.

Example 14 may include the subject matter of any one of examples 1-13, and may further include wherein the third protrusion is resilient, including a catch having a protruding resilient member protruding a greater height than a distance between the bottom surface of the slip-fit battery assembly and the support plate.

Example 15 may include the subject matter of any one of examples 1 to 14, and may further include wherein a height of the elastic member protruding from the support plate is greater than a distance between a bottom surface of the battery assembly that is in sliding fit with the support plate, and is less than a distance between a top end of the second stopper portion that is in sliding fit with the support plate.

Example 16 may include the subject matter of any of examples 1-15, and may further include wherein the spring includes a first spring segment having a first thickness and a second spring segment having a second thickness, the second spring segment snap-fitting to the second stop, the second thickness being greater than the first thickness.

Example 17 may include the subject matter of any of examples 1-16, and may further include wherein the second elastic segment is a hook structure.

Example 18 may include the subject matter of any one of examples 1-17, and may further include wherein a sliding travel of the first snug fit is greater than a longitudinal distance of the first limit stop from a front end of the support plate.

Example 19 may include the subject matter of any one of examples 1-18, and may further include wherein a sliding stroke of the first slip fit portion is adapted to a longitudinal distance of the first limit stop portion from the front end of the support plate.

Example 20 may include the subject matter of any one of examples 1-19, and may further include wherein the brace is laterally secured to an upper-middle portion of the emergency power supply box.

Example 21 may include the subject matter of any one of examples 1-20, and may further include wherein a battery assembly is carried on the support plate.

Example 22 may include the subject matter of any one of examples 1-21, and may further include wherein the second slip fit portion is provided at a side of the battery assembly, extending toward a back plate of the case; the second sliding fit part is a second concave part or a second convex part in sliding fit with the first sliding fit part.

Example 23 may include the subject matter of any one of examples 1-22, and may further include wherein the battery assembly bottom surface is provided with a second stopper portion to fit the first stopper portion, an end of travel of the sliding fit of the second sliding fit portion and the first sliding fit portion corresponding to a snap fit between the first stopper portion and the second stopper portion.

Example 24 may include the subject matter of any one of examples 1-23, and may further include wherein the second slip fit portion includes a runner and/or a guide rib, the second limit stop portion includes one of: a fourth convex portion, a fourth concave portion, or a fastener;

Example 25 may include the subject matter of any one of examples 1-24, and may further include wherein the catch has a resilient member protruding from an outer surface thereof, the catch falling into a catch on the support plate when the battery assembly is slid relative to the support plate in the longitudinal direction in a snap fit, the resilient member abutting a sidewall of the catch.

Example 26 may include the subject matter of any one of examples 1-25, and may further include wherein the snap feature is a male snap integrally formed on a bottom surface of the battery assembly, a sliding stroke of the sliding slot being such that the male snap resiliently snaps into the snap feature when the battery assembly abuts the back plate or at an end of the sliding stroke.

Example 27 may include the subject matter of any one of examples 1-26, and may further include wherein the case comprises a back panel and a plurality of walls, including a top wall, a side wall, and a bottom wall, surrounding and connected to a periphery of the back panel, the longitudinal direction being a direction extending along the side wall toward the back panel or extending vertically, or the longitudinal direction being a direction extending deep into the case.

Example 28 may include the subject matter of any one of examples 1-27, and may further include wherein at least one wire hole is further included that opens in the bottom wall or a portion of the side wall below the support plate.

Example 29 may include the subject matter of any one of examples 1-28, and may further include wherein the at least one wire-passing hole is a knock-out hole open in the bottom wall of the case.

Example 30 may include the subject matter of any of examples 1-29, and may further include wherein further comprising a power cord routed up through the at least one cord passage aperture to couple the battery assembly.

Example 31 may include the subject matter of any of examples 1-30, and may further include wherein further comprising a power source and a thermally conductive plate disposed below the backer plate, the thermally conductive plate thermally coupled between the power source and a sidewall of the case.

Example 32 may include the subject matter of any of examples 1-31, and may further include wherein a first face of the thermally conductive plate is thermally coupled to a heat generating portion of the power source by thermally conductive silicone grease, a second face of the thermally conductive plate abuts or abuts a sidewall of the case, the thermally conductive plate being secured to the sidewall by screws or bolts threaded through the sidewall of the case.

Example 33 may include the subject matter of any of examples 1-32, and may further include, wherein further comprising a control circuit board, a control panel, and a case lid adapted to the case; the power supply is a switching power supply; the control panel is arranged on the box cover and is connected to the control circuit board; the control circuit board is connected to the switching power supply and/or the battery pack.

Example 34 may include the subject matter of any of examples 1-33, and may further include wherein ends of the plurality of walls distal from the back panel enclose to form a port, the lid being connected to and covering the box; the box body is integrally formed, and the outer connecting surface formed between the top wall and the side wall is an arc transition surface.

Example 35 may include the subject matter of any of examples 1-34, and may further include wherein the rim of the port that mates with the lid is formed with a bead guard structure, the bead guard structure being an inner bead structure or an outer bead structure.

Example 36 may include the subject matter of any of examples 1-35, and may further include wherein the outer bead structure is integrally formed with the tank, the outer bead structure having a curvature at the radiused transition surface that is adapted to the radiused transition surface.

Example 37 may include the subject matter of any of examples 1-36, and may further include wherein the outer bead structure ring the port forms a circumferential flow channel.

Example 38 may include the subject matter of any of examples 1-37, and may further include wherein the outer bead structure includes: the first extending edge is formed by bending the edge towards the inner side of the box body, the second extending edge is formed by bending the first extending edge towards the direction far away from the back plate, and the third extending edge is formed by bending the second extending edge towards the outer side of the box body.

Example 39 may include the subject matter of any one of examples 1-38, and may further include wherein an extension height of the third extended edge is less than an extension height of the first extended edge.

Example 40 may include the subject matter of any of examples 1-39, and may further include wherein, when the lid is closed over the port, an edge of the lid overlies an outer side of the second extending edge and abuts the first extending edge.

Example 41 may include the subject matter of any of examples 1-40, and may further include wherein the inner bead structure includes: the first extending edge is formed by bending the edge to the inner side of the box body, the second extending edge is formed by bending the first extending edge to the direction close to the back plate, and the third extending edge is formed by bending the second extending edge to the inner side/direction departing from the edge of the box body.

Example 42 may include the subject matter of any one of examples 1-41, and may further include wherein the second extending edge overlies an outer side of an edge of the lid that abuts the third extending edge when the lid is closed over the port.

Example 43 may include the subject matter of any of examples 1-42, and may further include wherein the emergency power supply box comprises: the box body 8 is provided with a port, and the box cover 20 is connected with the box body 8 and covers the port; at least one of the box body 8 and the box cover 20 is integrally formed.

Example 44 may include the subject matter of any one of examples 1-43, and may further include wherein the case 8 includes a back panel 9 and a plurality of walls 10 surrounding a periphery of the back panel 9 and connected to the back panel 9, the ports being formed surrounding ends of the walls 10 distal from the back panel 9.

Example 45 may include the subject matter of any one of examples 1-44, and may further include wherein an outer connecting surface formed between at least two adjacent sidewalls 9 is a rounded transition surface.

Example 46 may include the subject matter of any one of examples 1-45, and may further include wherein the four exterior connection surfaces of the case 8 are all rounded transition surfaces, or the two exterior connection surfaces of the upper portion of the case 8 are both rounded transition surfaces.

Example 47 may include the subject matter of any one of examples 1-46, and may further include wherein a junction of two adjacent walls 10 is formed with a box corner perpendicular to the back panel 9, at least one of the four box corners of the box 8 being rounded.

Example 48 may include the subject matter of any of examples 1-47, and may further include wherein four case corners of the case 8 are rounded, or two case corners of an upper portion of the case 8 are rounded.

Example 49 may include the subject matter of any of examples 1-48, and may further include wherein the edge of the lid 20 is formed with four lid corners corresponding to the four box corners, two upper and/or two lower lid corners of the lid 20 being rounded.

Example 50 may include the subject matter of any one of examples 1-49, and may further include wherein the case 8 is an integrally formed cuboid, the back panel is one face of the cuboid case, and the four case corners are four sides of the cuboid case perpendicular to the back panel.

Example 51 may include the subject matter of any of examples 1-50, and may further include wherein a rim of the port that mates with the lid 20 is formed with a bead guard structure, the bead guard structure being an inner bead structure or an outer bead structure.

Example 52 may include the subject matter of any of examples 1-51, and may further include wherein the outer wrap structure ring the port forms a circumferential flow guide groove.

Example 53 may include the subject matter of any of examples 1-52, and may further include wherein the outer bead structure is integrally formed with the tank 8, the outer bead structure having a curvature at an arc transition surface that conforms to the arc transition surface.

Example 54 may include the subject matter of any of examples 1-53, and may further include wherein the bead shield structure has a curvature at a rounded corner of the wall 10 that is adapted to the rounded corner.

Example 55 may include the subject matter of any of examples 1-54, and may further include wherein the outer bead structure includes: a first extending edge 11 formed by bending the edge towards the inner side of the box body 8, a second extending edge 13 formed by bending the first extending edge 11 towards the direction far away from the back plate 9, and a third extending edge 12 formed by bending the second extending edge 13 towards the outer side of the box body 8.

Example 56 may include the subject matter of any of examples 1-55, and may further include wherein a rim of a side of the lid 20 proximate the back panel 9 is provided with a bead of sealant in sealing engagement with the bead shield structure.

Example 57 may include the subject matter of any of examples 1-56, and may further include wherein the sealant is a polyurethane foam.

Example 58 may include the subject matter of any of examples 1-57, and may further include wherein the third extension 12 has an extension height that is less than an extension height of the first extension 11.

Example 59 may include the subject matter of any one of examples 1-58, and may further include wherein a side of the third extended edge 12 distal from the second extended edge 13 is formed with a hemming or crimping mechanism.

Example 60 may include the subject matter of any of examples 1-59, and may further include wherein, when the cover 20 is closed over the port, an edge of the cover 20 overlies an outer side of the second extending edge 13 and abuts the first extending edge 11.

Example 61 may include the subject matter of any one of examples 1-60, and may further include wherein the second extension 13 forms at least one strip-shaped protrusion to an outside of the case 8, a height of the protrusion with respect to the second extension 13 being less than a height of the first extension 11 with respect to the second extension.

Example 62 may include the subject matter of any of examples 1-61, and may further include wherein the inner bead structure includes: a first extending edge 11 formed by bending the edge towards the inner side of the box body 8, a second extending edge 13 formed by bending the first extending edge 11 towards the direction close to the back plate 9, and a third extending edge 12 formed by bending the second extending edge 13 towards the inner side/away from the edge of the box body 8.

Example 63 may include the subject matter of any one of examples 1-62, and may further include wherein a side of the third extended edge 12 distal from the second extended edge 13 is formed with a hemming mechanism or a crimping mechanism.

Example 64 may include the subject matter of any one of examples 1-63, and may further include wherein the second extending edge 13 overlies an outer side of an edge of the cover 20 that abuts the third extending edge 12 when the cover 20 is closed over the port.

Example 65 may include the subject matter of any one of examples 1-64, and may further include wherein the third extension 12 is perpendicular to the sidewall and parallel to the first extension 11.

Example 66 may include the subject matter of any of examples 1-65, and may further include wherein the first, second, and

third rims

11, 13, 12 are integrally formed with the case 8.

Example 67 may include the subject matter of any of examples 1-66, and may further include wherein the case lid 20 is embedded with a control panel, the case 8 having a power device disposed therein, the control panel being electrically connected to the power device.

Example 68 may include the subject matter of any of examples 1-67, and may further include wherein the battery assembly B4 includes a battery and a housing to house/encapsulate the battery.

Example 69 may include the subject matter of any of examples 1-68, and may further include wherein the battery assembly B4 includes a battery.

Example 70 may include the subject matter of any of examples 1-69, and may further include wherein the battery is a secondary or rechargeable battery.

Example 71 is a fire protection system, comprising: an emergency power supply box according to any one of the preceding examples.

Example 72 may include the subject matter of any of examples 1-71, and may further include, wherein further comprising fire extinguishing equipment or fire fighting equipment housed within the emergency power box.

Example 73 may include the subject matter of any of examples 1-72, and may further include wherein the fire suppression apparatus includes a water distribution strip, a water gun, a fire extinguishing cartridge.

Finally, it is further explained that: the emergency power supply box in the embodiments 4 to 9 of the present invention is preferably used for an emergency power supply box of fire extinguishing equipment including a fire alarm host, a fire product control cabinet, a power supply dedicated for emergency lighting, a fire hose, a water gun, a fire extinguisher, etc., and for the emergency power supply box, a box body and/or a box cover are integrally formed, and compared with the case shape formed by bending after cutting a metal plate or punching by a machine tool, and finally formed after fixing each connection position by spot welding, the emergency power supply box not only simplifies the process, but also has the advantages of short product forming time, stable size, low rejection rate, etc.

And the further optimized turned edge protection structure avoids that a sharp metal plate easily harms the personal safety of production personnel, and reduces potential safety hazards. Furthermore, especially more important point, can also better realize the sealed effect of inside device when we adopt the turn-up protective structure of further optimization, can prevent that outside water droplet, winged insect etc. from flowing into emergency power supply case and causing the short circuit or catching fire of the inside electronic equipment of emergency power supply case and components and parts, have better security.

For clarity and brief description, in the above embodiments, the emergency power box of the embodiments of the present invention has been described in several aspects, including 1) the position and structure of the support plate in the box, 2) the structure of the box, 3) the layout of the electrical/electronic devices in the box, 4) the opening position of the wire holes in the box, 5) the mechanical matching relationship between the support plate and the battery components carried by the support plate, and so on, it should be noted that these various aspects of embodiments can be combined with each other to form more diversified variations, and accordingly, the arrangement of changes or equality that can be easily accomplished by those skilled in the art according to the spirit of the present invention is within the scope of the present invention, which should be subject to the claims, and the crimping structure of the box disclosed in any one or more of embodiments 4-8, and so on, can be applied and combined with the embodiment 1 The layout structure of the opened box with the supporting plate or the battery, the switching power supply, the heat conducting plate and other modules in the box disclosed in embodiment 3 can be applied and combined with the box with the supporting plate disclosed in embodiment 1, and so on, and the details are not described herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting.

Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An emergency power supply box is characterized by comprising,

a box body;

the supporting plate is transversely arranged in the box body and used for bearing a battery assembly;

2. Emergency power supply box according to claim 1, characterized in that said first sliding fit is the side wall or the top wall of said box itself; alternatively, the first snug fit is constructed at least in part from the side walls and/or top wall of the case.

3. The emergency power supply box of claim 1, wherein the first sliding fit portion is provided on a side wall or a top wall of the box body above the support plate, and includes a first protruding portion or a first recessed portion, which is in sliding fit with the second sliding fit portion on the battery pack in a longitudinal direction in a snap-fit manner;

4. An emergency power supply case according to claim 1, wherein the first sliding-fit portion is provided on the support plate, and includes a first convex portion or a first concave portion that is longitudinally slidably fitted with a second sliding-fit portion on the battery module.

5. The emergency power supply case of claim 4, wherein the first protrusion comprises at least one bent piece or rolled-up piece that mates with the second sliding fit portion.

6. The emergency power supply case of claim 5, wherein said at least one bent piece is integrally formed on said support plate; wherein each of the at least one bending piece comprises: the support plate is provided with a first bending section extending upwards and a second bending section extending from the first bending section to the second sliding fit part.

7. The emergency power supply case of claim 6, wherein the first and second bent sections form an inverted L-shape; the second bending section is at least partially in clamping connection with the second sliding fit part and is in sliding fit along the longitudinal direction.

8. An emergency power supply case according to claim 6, wherein the at least one bent piece is a plurality of bent pieces formed symmetrically and/or oppositely at both ends of the support plate in the lateral direction.

9. The emergency power supply box of claim 4, wherein said first recessed portion is a longitudinally extending slot that slidably engages a slide or latch on said battery pack.

10. The emergency power supply case according to claim 4, wherein the first sliding-fit portion is provided to a first end portion of the support plate in the lateral direction.

11. The emergency power supply case according to claim 8, wherein the first position-limiting portion is provided on an upper surface of the support plate to cooperate with the second position-limiting portion of the bottom surface of the battery pack to define a position of the battery pack in a longitudinal direction.

12. The emergency power supply case of claim 11, wherein the first stop portion is snap-fit with the second stop portion; wherein, the first spacing part comprises a third concave part or a third convex part which is arranged on the upper surface of the bearing plate.

13. The emergency power supply box of claim 12, wherein the third recessed portion comprises a bayonet or a catch, the bayonet or the catch being a rectangular groove that extends through the support plate and fits the second limiting portion.

14. An emergency power supply case according to claim 12, wherein the third protrusion is resilient and comprises a snap-in member having a protruding resilient member protruding from the support plate by a height greater than the distance between the bottom surface of the slip-fit battery pack and the support plate.

15. The emergency power supply box according to claim 14, wherein the height of the elastic member protruding from the support plate is greater than the distance between the bottom surface of the battery pack in sliding fit and the support plate, and is less than the distance between the top end of the second stopper in sliding fit and the support plate.

16. The emergency power supply case of claim 15, wherein the resilient member comprises a first resilient section having a first thickness and a second resilient section having a second thickness, the second resilient section snap-fitting into the second retaining portion, the second thickness being greater than the first thickness.

17. The emergency power supply case of claim 16, wherein the second resilient section is a hook-like structure.

18. The emergency power supply box according to claim 11, wherein a sliding stroke of the first sliding engagement portion is greater than a longitudinal distance between the first stopper portion and a front end of the support plate.

19. Emergency power supply box according to claim 11, wherein the sliding travel of the first sliding engagement portion is adapted to the longitudinal distance of the first limiting portion from the front end of the support plate.

20. An emergency power supply case according to claim 1, wherein the support plate is transversely fixed to an upper middle portion of the case body.

21. The emergency power supply case of claim 13, further comprising the battery assembly carried on the support plate.

22. The emergency power supply box of claim 21, wherein the second sliding fit portion is disposed at a side of the battery pack and extends toward a back plate of the box body; the second sliding fit part is a second concave part or a second convex part in sliding fit with the first sliding fit part.

23. The emergency power supply box according to claim 22, wherein a second position-limiting portion is provided on the bottom surface of the battery assembly, the second position-limiting portion being adapted to the first position-limiting portion, and an end of a sliding-fit stroke of the second sliding-fit portion and the first sliding-fit portion corresponds to a buckling between the first position-limiting portion and the second position-limiting portion.

24. The emergency power supply box of claim 23, wherein the second sliding engagement portion comprises a sliding groove and/or a guiding rib, and the second limiting portion comprises one of the following three: a fourth convex portion, a fourth concave portion, or a fastener;

25. The emergency power supply box of claim 24, wherein said latch member has a resilient member protruding from an outer surface thereof, and when said battery pack slides relative to said support plate in a longitudinal direction in a manner of engaging with said support plate, said latch member falls into said catch position on said support plate, and said resilient member abuts against a side wall of said catch position.

26. The emergency power supply box of claim 24, wherein the locking member is a male lock integrally formed on the bottom surface of the battery assembly, and the male lock is elastically locked into the locking position when the battery assembly abuts against the back plate or at the end of the sliding stroke due to the sliding stroke of the sliding groove.

27. An emergency power supply box according to any one of claims 1 to 26, wherein the box body comprises a back plate and a plurality of walls, including a top wall, a side wall and a bottom wall, surrounding the periphery of the back plate and connected to the back plate, and the longitudinal direction is a direction extending along the side wall toward the back plate/vertically extending, or a direction extending deep into the box body.

28. An emergency power supply case according to claim 27, further comprising at least one wire passing hole opened in a portion of the bottom wall or the side wall below the support plate.

29. The emergency power supply box of claim 28, wherein the at least one wire passing hole is a knock-out hole provided in the bottom wall of the box body.

30. The emergency power supply case of claim 29, further comprising a power cord routed upwardly through the at least one wire passing hole to couple the battery assembly.

31. The emergency power supply case of claim 29, further comprising a power source and a thermally conductive plate disposed below the back plate, the thermally conductive plate being thermally coupled between the power source and a sidewall of the case body.

32. An emergency power supply case according to claim 31, wherein the first face of the thermally conductive plate is thermally coupled to the heat generating portion of the power supply by thermally conductive silicone grease and the second face of the thermally conductive plate abuts or abuts against the side wall of the case, the thermally conductive plate being secured to the side wall by screws or bolts passing through the side wall of the case.

33. The emergency power supply case of claim 31, further comprising a control circuit board, a control panel and a case cover fitted to the case body; the power supply is a switching power supply; the power line is connected to the battery assembly through the switch power supply, and the control panel is mounted on the box cover and connected to the control circuit board; the control circuit board is connected to the switching power supply and/or the battery pack.

34. The emergency power supply case of claim 30, wherein the battery assembly comprises a battery and a housing that houses/encloses the battery.

35. The emergency power supply case of claim 30, wherein the battery assembly comprises a battery.

36. Emergency power supply box according to claim 35, characterized in that said battery is a storage battery or a rechargeable battery.

37. The emergency power supply case of claim 33, wherein the ends of the plurality of walls remote from the back plate enclose a port, and the case cover is coupled to the case body and covers the port; the box body is integrally formed, and the outer connecting surface formed between the top wall and the side wall is an arc transition surface.

38. The emergency power supply box of claim 37, wherein the edge of the port that mates with the box cover is formed with a bead shield structure, the bead shield structure being an inner bead structure or an outer bead structure.

39. The emergency power supply case of claim 38, wherein the outer bead structure is integrally formed with the case body, the outer bead structure having a curvature at the arc transition surface that matches the arc transition surface.

40. The emergency power supply of claim 38, wherein said outer crimp ring said port defines a circumferential flow channel.

41. The emergency power supply case of claim 38, wherein the outer bead structure comprises: the first extending edge is formed by bending the edge towards the inner side of the box body, the second extending edge is formed by bending the first extending edge towards the direction far away from the back plate, and the third extending edge is formed by bending the second extending edge towards the outer side of the box body.

42. The emergency power supply case of claim 41, wherein an extended height of the third extended edge is less than an extended height of the first extended edge.

43. The emergency power supply box of claim 41, wherein when the cover is closed over the port, the edge of the cover covers the outside of the second extending edge and abuts against the first extending edge.

44. The emergency power supply case of claim 38, wherein the inner bead structure comprises: the first extending edge is formed by bending the edge to the inner side of the box body, the second extending edge is formed by bending the first extending edge to the direction close to the back plate, and the third extending edge is formed by bending the second extending edge to the inner side/direction departing from the edge of the box body.

45. The emergency power supply box of claim 44, wherein said second extending edge covers an outer side of an edge of said cover when said cover is closed over said port, said edge of said cover abutting said third extending edge.