CN213877580U - Hard disk video recorder with power-off protection function - Google Patents

Abstract

The utility model discloses a digital video recorder with power-off protection function, including casing and protective housing, the casing comprises top shell and drain pan, the top fixed connection of screw and drain pan is passed through to the bottom of top shell, the equal fixedly connected with support bar in drain pan top both sides, two the top of support bar respectively with the both sides fixed connection of a mainboard bottom, the power end of mainboard is connected with first temperature detect switch, the one end fixedly connected with switch in the casing outside, the mainboard is through first temperature detect switch and switch electric connection, switch and external power supply electric connection, a plurality of ventholes have evenly been seted up on the surface of drain pan, a plurality of inlet ports have evenly been seted up on the top of top shell, the outside of casing and the inner wall sliding connection of protective housing. The utility model discloses simple structure, automatic disconnection when the detection temperature of a temperature detect switch reaches the setting value, the mainboard outage carries out the self preservation and protects, prevents that the high temperature of mainboard and impaired.

Description

Hard disk video recorder with power-off protection function

Technical Field

The utility model relates to a digital video recorder specifically is a digital video recorder with power-off protection function.

Background

Compared with the traditional analog video recorder, the digital video recorder adopts hard disk video, so the digital video recorder is often called as a hard disk video recorder and also called as a DVR. It is a computer system for storing and processing images and has the functions of long-time video recording, sound recording, remote monitoring and control of images and voices. DVRs employ digital recording technology and are far superior to analog monitoring devices in image processing, image storage, retrieval, backup, and network delivery, remote control, etc.

Current digital video recorder uses the back for a long time, and its inside mainboard temperature can be higher and higher, will cause the damage to the mainboard when the temperature of mainboard rises to the uniform temperature, influences the stability and the life of components and parts on the mainboard to influence digital video recorder's normal use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure's hard disk video recorder with power-off protection function, automatic disconnection when the detection temperature of a temperature detect switch reaches the setting value, the mainboard outage carries out the self preservation and protects, prevents that the high temperature of mainboard and impaired.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a digital video recorder with power-off protection function, includes casing and protective housing, the casing comprises top shell and drain pan, the top fixed connection of screw and drain pan is passed through to the bottom of top shell, the equal fixedly connected with support bar in drain pan top both sides, two the top of support bar respectively with the both sides fixed connection of a mainboard bottom, the power end of mainboard is connected with first temperature detect switch, the one end fixedly connected with switch in the casing outside, the mainboard is through first temperature detect switch and switch electric connection, switch and external power supply electric connection, a plurality of ventholes have evenly been seted up on the surface of drain pan, a plurality of inlet ports have evenly been seted up on the top of top shell, the outside of casing and the inner wall sliding connection of protective housing.

Preferably, be equipped with two damping device between drain pan and the protective housing, two spouts have been seted up at the middle part of protective housing inner wall bottom, each damping device include with drain pan contact complex connecting plate the connecting plate both ends all rotate and are connected with the connecting rod and these two the other end of connecting rod all rotates and is connected with the connection piece, and, above-mentioned two the bottom of connection piece respectively with one slide the top fixed connection who sets up the trapezoidal slider on corresponding spout, the equal fixedly connected with spring in one side of above-mentioned two trapezoidal sliders and the other end of two springs respectively with spout both ends contact cooperation.

Preferably, the four corners of the bottom end of the protective shell are fixedly connected with anti-skidding blocks, and the anti-skidding blocks are made of rubber materials.

Preferably, the protective shell is made of polyurethane plastic.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first temperature control switch detects the temperature of the mainboard, and when the detected temperature of the first temperature control switch reaches a set value, the first temperature control switch is automatically switched off, the mainboard is powered off to carry out self-protection, and the electronic elements on the surface of the mainboard are prevented from being damaged due to overhigh temperature;

2. the damping devices have the shock-proof function of buffering, when the digital video recorder is impacted, the shell downwards extrudes the two damping devices, and the springs at the two ends of the two damping devices absorb certain impact potential energy, so that the shell can be protected.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a side sectional view of the present invention.

Detailed Description

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

Referring to fig. 1-3, a hard disk video recorder with power-off protection function includes a casing 1 and a protective casing 2, the machine shell 1 consists of a top shell 4 and a bottom shell 5, the bottom end of the top shell 4 is fixedly connected with the top end of the bottom shell 5 through a screw, the two sides of the top end of the bottom shell 5 are fixedly connected with supporting strips 6, the top ends of the two supporting strips 6 are respectively and fixedly connected with the two sides of the bottom end of a main board 7, the power end of the mainboard 7 is connected with a first temperature control switch 8, one end of the outer side of the casing 1 is fixedly connected with a power switch 3, the main board 7 is electrically connected with the power switch 3 through a first temperature control switch 8, the power switch 3 is electrically connected with an external power supply, a plurality of air outlets are uniformly formed in the surface of the bottom shell 5, a plurality of air inlets are uniformly formed in the top end of the top shell 4, and the outer side of the casing 1 is connected with the inner wall of the protective shell 2 in a sliding mode. The first temperature controlled switch 8 may be KSD 301.

Preferably, two damping devices 14 are arranged between the bottom shell 5 and the protective shell 2, two sliding grooves 15 are formed in the middle of the bottom end of the inner wall of the protective shell 2, each damping device 14 comprises a connecting plate 16 in contact fit with the bottom shell 5, two ends of the connecting plate 16 are both rotatably connected with connecting rods 17, the other ends of the two connecting rods 17 are both rotatably connected with connecting pieces 18, the bottom ends of the two connecting pieces 18 are respectively fixedly connected with the top ends of trapezoidal sliding blocks 19 which are arranged on the corresponding sliding grooves 15 in a sliding manner, springs 20 are respectively fixedly connected to one sides of the two trapezoidal sliding blocks 19, and the other ends of the two springs 20 are respectively in contact fit with two ends of the sliding grooves 15.

Preferably, four equal fixedly connected with non slipping spur 21 in corner of 2 bottoms of protective housing, non slipping spur 21 is made by rubber materials, and rubber materials non-skid property is good, and the non slipping spur 21 of making by rubber materials is installed and is being improved the holistic stability of hard disk video recorder in the bottom of protective housing 2.

Preferably, the protective casing 2 is made of polyurethane plastic, polyurethane is plastic with high hardness, and the protective casing 2 made of polyurethane can protect the casing 1 and prevent the casing 1 from being damaged due to external impact.

When the utility model is used, the hard disk video recorder is started through the power switch 3, the first temperature control switch 8 detects the temperature of the mainboard 7 when the hard disk video recorder is used, the temperature detected by the first temperature control switch 8 is automatically cut off when reaching a set value, the mainboard 7 is powered off to carry out self-protection, the electronic element on the surface of the mainboard 7 is prevented from being damaged due to overhigh temperature, the anti-skid property of the rubber material is good, the anti-skid block 21 made of the rubber material is arranged at the bottom end of the protective shell 2 to improve the overall stability of the hard disk video recorder, the polyurethane is plastic with larger hardness, the protective shell 2 made of the polyurethane can provide protection for the casing 1 and prevent the casing 1 from being damaged due to external force impact, the damping devices 14 have the function of buffering and shock resistance, the casing 1 downwards extrudes the two damping devices 14 when the hard disk video recorder is impacted, the springs 20 at the two ends, thereby protecting the casing 1.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (4)

1. The hard disk video recorder with the power-off protection function comprises a casing (1) and a protective casing (2), wherein the casing (1) consists of a top casing (4) and a bottom casing (5), the bottom end of the top casing (4) is fixedly connected with the top end of the bottom casing (5) through screws, and the hard disk video recorder is characterized in that support bars (6) are fixedly connected to both sides of the top end of the bottom casing (5), the top ends of the two support bars (6) are respectively fixedly connected with both sides of the bottom end of a mainboard (7), the power end of the mainboard (7) is connected with a first temperature control switch (8), one end of the outer side of the casing (1) is fixedly connected with a power switch (3), the mainboard (7) is electrically connected with the power switch (3) through the first temperature control switch (8), the power switch (3) is electrically connected with an external power supply, and a plurality of air outlet holes are uniformly formed in the surface of the bottom casing (5), a plurality of air inlets are evenly formed in the top end of the top shell (4), and the outer side of the machine shell (1) is connected with the inner wall of the protective shell (2) in a sliding mode.

2. The hard disk video recorder with the power-off protection function according to claim 1, characterized in that: be equipped with two damping device (14) between drain pan (5) and protective housing (2), two spout (15) have been seted up at the middle part of protective housing (2) inner wall bottom, each damping device (14) include with drain pan (5) contact complex connecting plate (16) both ends are all rotated and are connected with connecting rod (17) and these two the other end of connecting rod (17) all rotates and is connected with connection piece (18), and, above-mentioned two the bottom of connection piece (18) respectively with the top fixed connection of a trapezoidal slider (19) that slide to set up on corresponding spout (15), the equal fixedly connected with spring (20) in one side of above-mentioned two trapezoidal slider (19) and the other end of two springs (20) respectively with spout (15) both ends contact cooperation.

3. The hard disk video recorder with the power-off protection function according to claim 2, characterized in that: four corners of the bottom end of the protective shell (2) are fixedly connected with anti-skidding blocks (21), and the anti-skidding blocks (21) are made of rubber materials.

4. The video recorder with power-off protection function as claimed in claim 3, wherein: the protective shell (2) is made of polyurethane plastic.

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