CN208237826U - LED emergency power supply - Google Patents

Abstract

The utility model relates to an LED emergency power supply, which includes an automatic emergency device and a battery pack. The automatic emergency device includes a first shell and a driving circuit board. The battery pack has a second shell. The first shell includes a first shell and a first end cover. , the opposite first side wall and the second side wall of the first shell are respectively provided with two rectangular grooves, and the opposite third side wall and the fourth side wall of the first shell are respectively provided with rectangular protrusions part and the first arc-shaped protruding part, two adjacent rectangular protruding parts form a circuit board fixing groove, and two first arc-shaped protruding parts opposite to each other form a screw engaging groove; the second shell includes a second shell and the second end cover, two T-shaped protrusions are provided on one side wall of the second housing, and the T-shaped protrusions can be slidably matched with the rectangular groove. The LED emergency power supply provided by the utility model has the advantages of convenient installation, high installation efficiency, excellent heat dissipation performance, and the like.

Description

LED emergency power supply

technical field

The utility model relates to the technical field of emergency power supplies, in particular to an LED emergency power supply.

Background technique

LED emergency power supply is a power supply that can provide power for LED lighting devices in an emergency state to ensure that the LED lighting devices meet the required lighting duration. It is widely used in fire lighting and other fields. The current LED emergency power supply usually includes an automatic emergency device and a battery pack that are separated from each other. The battery pack is connected to the automatic emergency device through a power cord. It is cumbersome, resulting in low installation efficiency of LED emergency power supply.

Utility model content

Based on this, it is necessary to provide an LED emergency power supply for the problems that the installation process of the existing LED emergency power supply is relatively cumbersome and the installation efficiency is not high.

In order to solve the above problems, the utility model takes the following technical solutions:

An LED emergency power supply, comprising an automatic emergency device and a battery pack, characterized in that the automatic emergency device includes a first housing and a drive circuit board arranged in the first housing, and the battery pack has a second housing;

The first shell includes a first shell and at least one first end cover, two rectangular grooves are respectively arranged on the opposite first side wall and the second side wall of the first shell, and the rectangular grooves The groove has a protruding part, and the top end of the screw used to fix the first housing is engaged with the protruding part; the opposite third side wall and the fourth side wall of the first housing are respectively provided with rectangular The raised portion and the first arc-shaped raised portion, the two adjacent rectangular raised portions on the same side wall form a circuit board fixing groove for fixing the drive circuit board, and the two oppositely arranged on the same side wall The first arc-shaped protrusions form a screw engagement groove for fixing the first shell and the first end cover, and there are four corners of the opening end of the first shell. For the first arc-shaped protrusion; the first end cover is provided with a rectangular hollow on the side corresponding to the first side wall and the second side wall, and the shape of the rectangular hollow is the same as that of the rectangular The shape of the cross-section of the hollow part of the groove is the same, and the first end cover is also provided with a first outlet hole and a first screw positioning hole corresponding to the screw engagement groove on the first housing;

The second shell includes a second shell and a second end cover, two T-shaped protrusions are arranged on one side wall of the second shell, and the T-shaped protrusions can be connected with the rectangular groove Sliding fit, the two opposite side walls of the second housing are respectively provided with second arc-shaped protrusions, and the two second arc-shaped protrusions oppositely arranged on the same side wall are formed for fixing The screw engagement grooves of the second shell and the second end cover, and a pair of the second arc-shaped protrusions are provided on the four corners of the opening end of the second shell; The two end covers are provided with second outlet holes and second screw positioning holes corresponding to the screw engagement grooves on the second housing one by one.

The LED emergency power supply proposed by the utility model sets a rectangular groove on the first casing, so that the top of the screw used to fix the first casing can be engaged with the protruding part of the rectangular groove. First fix the screw on the fixed surface, then align the rectangular groove of the first housing with the top of the screw, and slide the top of the screw into the rectangular groove by moving the first housing, so as to realize the automatic emergency response of the LED emergency power supply Quick fixation of the device, and the quick fixation between the automatic emergency device and the battery pack can be realized through the sliding fit between the rectangular groove on the first shell and the T-shaped protrusion on the second shell, which simplifies the The installation process of the LED emergency power supply has the advantages of convenient installation and high installation efficiency. At the same time, the rectangular groove increases the heat dissipation area of the first housing, thereby further improving the heat dissipation performance of the LED emergency power supply.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the first housing and the second housing in the utility model;

Fig. 2 is a right side view of the first housing in Fig. 1;

Fig. 3 is the schematic diagram of the plane structure of the first end cap in the utility model;

Fig. 4 is a right side view of the second housing in Fig. 1;

Fig. 5 is a schematic plan view of the second end cap in the present invention.

Detailed ways

The technical solutions of the present utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

In one embodiment, the LED emergency power supply of the present invention includes an automatic emergency device and a battery pack, wherein the automatic emergency device includes a first casing and a driving circuit board disposed in the first casing, and the battery pack has a second casing. When the mains power supply is normal, the LED emergency power supply is in the standby state of charging. After the battery pack of the LED emergency power supply is fully charged, it will automatically enter the maintenance power state to compensate for self-discharge and maintain the performance and service life of the battery; when the mains power is suddenly cut off, The LED emergency power supply will automatically light up the light source for emergency lighting. At this time, the battery pack continues to supply power for the light source to ensure the normal lighting of the light source for a certain period of time, such as 1 to 3 hours. When the mains power supply is restored, the LED emergency power supply will no longer supply power for the light source and Automatic charging starts.

Specifically, in this embodiment, as shown in Figures 1-5, the first shell includes a first shell 1 and at least one first end cover 2, and the first shell 1 may have one or two open ends, so The first shell corresponds to one or two first end caps 2 , and the function of the first end caps 2 is to seal the first shell 1 to ensure the waterproof and dustproof performance of the first shell 1 .

Two rectangular grooves 3 are respectively provided on the opposite first side wall and the second side wall of the first housing 1, and each rectangular groove 3 has a protrusion 3-1 for fixing the first housing 1 The top of the screw is engaged with the protrusion 3-1, and the top of the screw can slide in the rectangular groove 3.

The opposite third side wall and the fourth side wall of the first housing 1 are respectively provided with a rectangular protrusion 4 and a first arc-shaped protrusion 5, and two adjacent rectangular protrusions 4 on the same side wall A circuit board fixing groove for fixing the driving circuit board is formed, the circuit board fixing groove is parallel to the length direction of the first housing 1, the side of the driving circuit board is matched with the circuit board fixing groove, and the driving circuit board can be moved along the circuit board. The board fixing groove slides into the first housing 1, thereby realizing the fixation of the driving circuit board; two first arc-shaped protrusions 5 oppositely arranged on the same side wall are used to fix the first housing 1 and the first end The screws of the cover 2 engage the groove, and a pair of first arc-shaped protrusions 5 are provided on the four corners of the opening end of the first housing 1. When the first housing 1 has two opening ends, each opening A pair of first arc-shaped protrusions 5 are provided on the four corners of the end, that is, there is a screw engagement groove on the four corners of each opening end, and the first end cover 2 corresponding to the opening end is engaged with the screw by a screw. The fastening force between the grooves realizes the fixed connection with the first housing 1 .

As shown in Figure 3, the first end cover 2 is provided with a rectangular hollow on the side corresponding to the first side wall and the second side wall, and the shape of the rectangular hollow is the same as the shape of the cross section of the hollow part of the rectangular groove 3, so that After the first end cover 2 is fixed to the first shell 1, the top end of the screw used to fix the first shell 1 can slide into the rectangular groove 3 and engage with the protruding part 3-1, meanwhile, the first The end cover 2 is provided with a first outlet hole 6, which is used to lead out the power line of the drive circuit board. In addition, the first end cover 2 is also provided with a first screw positioning hole 7 corresponding to the screw engagement groove one by one, for The screw fixing the first end cover 2 and the first shell 1 passes through the first screw positioning hole 7 and is fastened with the screw engaging groove, so as to realize the connection between the first end cover 2 and the first shell 1 .

The second shell includes a second housing 8 and a second end cover 9, and two T-shaped protrusions 10 are provided on a side wall of the second housing 8, as shown in Figures 1 and 4, and the T-shaped protrusions 10 can slide with the rectangular groove 3, although the T-shaped protrusion 10 and the rectangular groove 3 are slidingly fitted, but due to the friction between the T-shaped protrusion 10 and the rectangular groove 3, there is no external force. Under the action, the first housing 1 and the second housing 8 can be relatively fixed; the two opposite side walls of the second housing 8 are respectively provided with second arc-shaped protrusions 11, which are opposite to each other on the same side wall. The two second arc-shaped protrusions 11 are provided to form screw engagement grooves for fixing the second housing 8 and the second end cover 9, and a pair of The second arc-shaped protrusion 11, that is, there is a screw engagement groove on the four corners of each opening end of the second housing 8, and the second end cover 9 corresponding to the opening end utilizes the gap between the screw and the screw engagement groove. The fastening force realizes the fixed connection with the second housing 8 . As shown in Figure 5, the second end cover 9 is provided with a second outlet hole 12 for leading out the power cord of the battery pack, and the second end cover 9 is also provided with a screw engagement groove on the second housing 8. A corresponding second screw positioning hole 13 is used to fix the screw between the second end cover 9 and the second housing 8 and fasten with the screw engagement groove after passing through the second screw positioning hole 13, so as to realize the second end cover 9 and the connection between the second shell 8.

The LED emergency power supply proposed in this embodiment sets a rectangular groove on the first casing so that the top of the screw used to fix the first casing can engage with the protruding part of the rectangular groove. First fix the screw on the fixed surface, then align the rectangular groove of the first housing with the top of the screw, and slide the top of the screw into the rectangular groove by moving the first housing, so as to realize the automatic emergency response of the LED emergency power supply Quick fixation of the device, and the quick fixation between the automatic emergency device and the battery pack can be realized through the sliding fit between the rectangular groove on the first shell and the T-shaped protrusion on the second shell, which simplifies the The installation process of the LED emergency power supply has the advantages of convenient installation and high installation efficiency. At the same time, the rectangular groove increases the heat dissipation area of the first housing, thereby further improving the heat dissipation performance of the LED emergency power supply.

Further, waterproof connectors are installed on the first outlet hole 6 and the second outlet hole 12, and the power cord of the automatic emergency device and the power cord of the battery pack are all drawn out through the waterproof connector to improve the waterproofing of the first casing and the second casing. performance.

Further, sealing rubber rings are provided between the first shell 1 and the first end cover 2 and between the second shell 8 and the second end cover 9 to improve the waterproof and waterproof of the first shell and the second shell. dust performance.

Further, the number of rectangular protrusions 4 is four, as shown in Figure 1 and Figure 2, four rectangular protrusions 4 can form three circuit board fixing slots for fixing the drive circuit board, and can fix multiple The driving circuit board, and the distance between any two adjacent rectangular protrusions 4 can be the same or different, so as to meet the requirements of different circuit driving boards.

In the present utility model, the shapes of the first housing 1 and the second housing 8 can be realized in various common shapes. Preferably, the shapes of the first housing 1 and the second housing 8 are both rectangular, so as to adapt to The shapes of the driving circuit board and the battery pack make it easier to insert the driving circuit board into the first casing 1 along the circuit board fixing groove.

Further, both the first shell and the second shell are made of aluminum alloy, which has the advantages of fast heat dissipation and corrosion resistance, and the first shell and the second shell made of aluminum alloy can effectively protect the first shell The electronic components inside work stably and prolong the service life of the battery pack inside the second casing.

Further, the battery pack in the utility model is composed of several nickel-cadmium rechargeable batteries or lithium-ion batteries. Because nickel-cadmium batteries have very high battery energy density, and their overcharge, overdischarge, and high and low temperature resistance are excellent, so the utility model can choose nickel-cadmium rechargeable batteries as battery packs; at the same time, lithium-ion batteries have high storage energy density , long service life, light weight and environmental protection, etc., so the utility model can also choose lithium ion battery as the battery pack.

The various technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be interpreted as a limitation on the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (7)

1. a kind of LED emergency power supply, including automatic emergency device and battery pack, which is characterized in that the automatic emergency device packet The drive circuit board for including the first shell and being arranged in first shell, the battery pack have second housing；

First shell includes first shell (1) and at least one first end cover (2), the first shell (1) it is opposite Two rectangular recess (3) are respectively equipped on the first side wall and second sidewall, the rectangular recess (3) has protruding portion (3-1), uses It fastens in the top of the screw of the fixation first shell (1) with the protruding portion (3-1)；The phase of the first shell (1) Pair third side wall and the 4th side wall on be respectively equipped with rectangular preiection portion (4) and the first arc convex portion (5), phase on same side wall Two adjacent rectangular preiection portions (4) form the circuit board fixing groove for fixing the drive circuit board, on same side wall Two first arc convex portions (5) being oppositely arranged are formed for fixing the first shell (1) and the first end cover (2) screw occlusal crib, and a pair of first arc is equipped on four angles of the open end of the first shell (1) Lug boss (5)；The first end cover (2) side corresponding with the first side wall and the second sidewall is equipped with rectangle hollow out, The shape of the rectangle hollow out is identical as the shape of cross section of the rectangular recess (3) hollow portion, on the first end cover (2) Be additionally provided with the first outlet hole (6) and with one-to-one first screw pilot hole of screw occlusal crib on the first shell (1) (7)；

The second housing includes second shell (8) and second end cover (9), and a side wall of the second shell (8) is equipped with Two T-type protrusions (10), and the T-type raised (10) can be slidably matched with the rectangular recess (3), the second shell (8) the second arc convex portion (11) is respectively equipped in opposite two side walls, described in two be oppositely arranged on same side wall Second arc convex portion (11) forms the screw occlusal crib for fixing the second shell (8) and the second end cover (9), and And a pair of second arc convex portion (11) is equipped on four angles of the open end of the second shell (8)；Described Two end caps (9) be equipped with the second outlet hole (12) and with the screw occlusal crib one-to-one second on the second shell (8) Screw pilot hole (13).

2. LED emergency power supply according to claim 1, which is characterized in that

Waterproof connector, the automatic emergency device are mounted on first outlet hole (6) and second outlet hole (12) Power supply line and the power supply line of the battery pack pass through the waterproof connector and draw.

3. LED emergency power supply according to claim 1 or 2, which is characterized in that

Between the first shell (1) and the first end cover (2) and the second shell (8) and the second end cover (9) Between be equipped with sealing rubber ring.

4. LED emergency power supply according to claim 1 or 2, which is characterized in that

The quantity of the rectangular preiection portion (4) is four.

5. LED emergency power supply according to claim 1 or 2, which is characterized in that

The shape of the first shell (1) and the second shell (8) is rectangle.

6. LED emergency power supply according to claim 1 or 2, which is characterized in that

First shell and the second housing are prepared by aluminium alloy.

7. LED emergency power supply according to claim 1 or 2, which is characterized in that

If the battery pack is made of dry granular Ni-Cd nickel-cadmium or lithium ion battery.