CN212908975U

CN212908975U - Reverse power supply device for camera terminal

Info

Publication number: CN212908975U
Application number: CN202021730560.XU
Authority: CN
Inventors: 胡贵
Original assignee: Yunnan Lingshuo Technology Co ltd
Current assignee: Yunnan Lingshuo Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-06
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a reverse power supply device for a camera terminal in the field of camera equipment, which comprises a power supply processing module, wherein the output end of the power supply processing module is electrically connected with a detection module, the output end of the detection module is electrically connected with a switch control module, the output end of the switch control module is electrically connected with a POE power supply end, the output end of the POE power supply end is electrically connected with a camera terminal power supply, whether the POE power supply end is accurately connected with the camera terminal power supply or not can be detected through the detection module, and then the switch control module is controlled to be opened and closed, thereby avoiding the damage of an electrical element caused by the inaccurate butt joint of the POE power supply end and the camera terminal power supply, greatly increasing the safety and the service life of the electrical element, converting input voltage into different output voltages through different voltage conversion modules, and simultaneously supplying power to external equipment with different rated, the application range of the device is greatly enlarged, and the applicability of the device is improved.

Description

Reverse power supply device for camera terminal

Technical Field

The utility model relates to a camera equipment technical field specifically is a reverse power supply unit for terminal of making a video recording.

Background

With the rapid development of computer technology and camera technology, camera terminals such as video monitoring equipment and the like are more and more popular, and various production and living requirements such as video monitoring, image acquisition, remote monitoring and the like can be realized by using the camera terminals, in practical application, in order to meet more monitoring requirements, part of the camera terminals can be connected with external equipment such as a sensor and the like, and under other conditions, other external equipment can be required to be installed near the camera terminals, the external equipment needs to be independently powered, on one hand, a corresponding power adapter needs to be configured, on the other hand, different external equipment needs to be independently wired, so that higher wiring complexity, installation difficulty and installation cost are achieved, and in the practical use process, a user can possibly generate the phenomenon that an interface of a reverse power supply device is reversely connected or is not completely connected stably, thereby causing the damage of the device, to this end, we propose a reverse power supply apparatus for a camera terminal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reverse power supply unit for terminal of making a video recording to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reverse power supply unit for terminal of making a video recording, includes power processing module, power processing module's output electric connection has detection module, detection module's output electric connection has on-off control module, on-off control module's output electric connection has the POE power supply end, the output electric connection of POE power supply end has the terminal power of making a video recording, the output electric connection of the terminal power of making a video recording has voltage conversion module, voltage conversion module is provided with threely altogether, and is three voltage conversion module is parallel connection, and is three the equal electric connection of voltage conversion module output has output protection module, and wherein the downside is two the equal electric connection of output protection module has external equipment, another the output electric connection of output protection module has the internal plant of making a video recording.

Preferably, the voltage conversion module includes a voltage input terminal, a voltage transformation controller and a voltage output terminal, the output terminal of the voltage input terminal is electrically connected to the voltage transformation controller, and the output terminal of the voltage transformation controller is electrically connected to the voltage output terminal.

Preferably, the output protection module includes an anti-surge element and an anti-short circuit element.

Preferably, the detection module includes a POE management chip based on a power over ethernet system.

Preferably, the voltage conversion module and the output protection module are connected in series, and the output protection module, the camera internal device and the external device are connected in series.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, whether can ascertain the POE feed end through the detection module accurate with the terminal power of making a video recording inserts, then control switch control module's switching, thereby avoid because POE feed end leads to electric element's damage with the inaccurate butt joint of terminal power of making a video recording, greatly increased electric element's security and life, change input voltage into different output voltage through different voltage conversion module again, make can give different rated voltage's external equipment power supply simultaneously, very big increase the application scope of device, the suitability of device has been improved, still through the protection of output protection module to the circuit, can cut off the power supply rapidly when making the circuit take place the circumstances such as short circuit and broken circuit, thereby very big increase the security of device, the risk of having avoided the circuit to catch fire or even explodes takes place.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

fig. 2 is an internal structure diagram of the voltage conversion module of the present invention.

In the figure: 1. a power supply processing module; 2. a detection module; 3. a POE power supply terminal; 4. a camera terminal power supply; 5. a voltage conversion module; 51. a voltage input terminal; 52. a variable voltage controller; 53. a voltage output terminal; 6. an output protection module; 7. an external device; 8. an image pickup internal device; 9. and a switch control module.

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 and 2, the present invention provides the following technical solutions: a reverse power supply device for a camera terminal comprises a power supply processing module 1, wherein the output end of the power supply processing module 1 is electrically connected with a detection module 2, the output end of the detection module 2 is electrically connected with a switch control module 9, the output end of the switch control module 9 is electrically connected with a POE power supply end 3, the output end of the POE power supply end 3 is electrically connected with a camera terminal power supply 4, the output end of the camera terminal power supply 4 is electrically connected with three voltage conversion modules 5, the voltage conversion modules 5 are arranged in three, the three voltage conversion modules 5 are connected in parallel, the output ends of the three voltage conversion modules 5 are electrically connected with an output protection module 6, wherein the output ends of the two lower output protection modules 6 are electrically connected with an external device 7, the output end of the other output protection module 6 is electrically connected with a camera internal device 8, whether the POE power supply end 3 is accurately connected with, then, the on-off of the switch control module 9 is controlled, so that the damage of the electrical element caused by inaccurate butt joint of the POE power supply end 3 and the camera terminal power supply 4 is avoided, the safety and the service life of the electrical element are greatly increased, the input voltage is converted into different output voltages through different voltage conversion modules 5, the power can be supplied to external equipment 7 with different rated voltages at the same time, the application range of the device is greatly increased, the applicability of the device is improved, the circuit is protected through the output protection module 6, the power can be rapidly cut off when the circuit is in short circuit, open circuit and other conditions, the safety of the device is greatly increased, and the risk of circuit fire and even explosion is avoided;

referring to fig. 1, the voltage conversion module 5 includes a voltage input terminal 51, a voltage transformation controller 52 and a voltage output terminal 53, the output terminal of the voltage input terminal 51 is electrically connected to the voltage transformation controller 52, the output terminal of the voltage transformation controller 52 is electrically connected to the voltage output terminal 53, and the voltage input terminal 51, the voltage transformation controller 52 and the voltage output terminal 53 can transform an input voltage into a new output voltage, so as to increase the application range of the device;

referring to fig. 1, the output protection module 6 includes an anti-surge element and an anti-short circuit element, and the number of times of circuit conditions can be reduced by the anti-surge element and the anti-short circuit element, so that the safety of the device is improved;

referring to fig. 1, the detection module 2 includes a POE management chip based on the ethernet power supply system, which can efficiently handle the problem occurring at the POE power supply terminal 3, thereby ensuring the security of the camera terminal power supply 4;

referring to fig. 1, the voltage conversion module 5 and the output protection module 6 are connected in series, the output protection module 6, the camera internal device 8 and the external device 7 are connected in series, and the output protection module 6 can immediately perform power-off processing on the whole circuit through the series connection, so that the safety of the whole circuit is greatly ensured.

The working principle is as follows: the device is fixedly installed, then the output end of the POE power supply end 3 is connected with the input end of the camera terminal power supply 4, the detection module 2 is controlled by the power processing module 1 to check the connection condition of the circuit, when the circuit is abnormal, the circuit is cut off emergently by the control switch control module 9, thereby avoiding the damage of the electrical element caused by the inaccurate butt joint of the POE power supply end 3 and the camera terminal power supply 4, greatly increasing the safety and the service life of the electrical element, then the external equipment 7 to be charged is connected with the output protection module 6 with proper output voltage, the input voltage is converted into different output voltages by the different voltage conversion modules 5, so that the external equipment 7 with different rated voltages can be supplied with power at the same time, the application range of the device is greatly increased, the applicability of the device is improved, and the protection of the circuit is realized by the output protection module 6, the power can be cut off rapidly when the circuit is short-circuited, open-circuited and the like, so that the safety of the device is greatly improved, and the risk of circuit fire and even explosion is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reverse power supply device for a camera terminal, comprising a power supply processing module (1), characterized in that: the output end of the power supply processing module (1) is electrically connected with a detection module (2), the output end of the detection module (2) is electrically connected with a switch control module (9), the output end of the switch control module (9) is electrically connected with a POE power supply end (3), the output end of the POE power supply end (3) is electrically connected with a camera terminal power supply (4), the output end of the camera terminal power supply (4) is electrically connected with three voltage conversion modules (5), the number of the voltage conversion modules (5) is three, the three voltage conversion modules (5) are connected in parallel, the output ends of the three voltage conversion modules (5) are electrically connected with an output protection module (6), wherein the output of the lower two output protection modules (6) is electrically connected with an external device (7), and the output of the other output protection module (6) is electrically connected with an internal camera device (8).

2. A reverse power supply apparatus for a camera terminal according to claim 1, characterized in that: the voltage conversion module (5) comprises a voltage input end (51), a variable voltage controller (52) and a voltage output end (53), wherein the output end of the voltage input end (51) is electrically connected with the variable voltage controller (52), and the output end of the variable voltage controller (52) is electrically connected with the voltage output end (53).

3. A reverse power supply apparatus for a camera terminal according to claim 1, characterized in that: the output protection module (6) comprises an anti-surge element and an anti-short circuit element.

4. A reverse power supply apparatus for a camera terminal according to claim 1, characterized in that: the detection module (2) comprises a POE management chip based on the Ethernet power supply system.

5. A reverse power supply apparatus for a camera terminal according to claim 1, characterized in that: the voltage conversion module (5) and the output protection module (6) are connected in series, and the output protection module (6), the camera internal equipment (8) and the external equipment (7) are connected in series.