KR20110128698A - Monitoring camera system in bad conditions - Google Patents

Abstract

PURPOSE: A monitoring camera system at a bad condition is provided to manage the monitoring camera at the bad condition by utilizing a secondary battery and solar energy. CONSTITUTION: A solar cell unit changes solar energy into electrical energy. A power supply system(20) supplies power to the internal circuit unit of a monitoring camera apparatus and recharges the secondary battery of a secondary battery unit. An internal temperature management system(30) manage the inside temperature of a housing unit through an internal temperature control unit. A center control unit(10) controls the internal temperature management system and the power supply system.

Description

Surveillance Camera System in Bad Conditions {MONITORING CAMERA SYSTEM IN BAD CONDITIONS}

The present invention relates to a surveillance camera system and a control method.

BACKGROUND Systems that install cameras inside or outside buildings and monitor video images taken by cameras through closed circuit television (CCTV) that are wired to the cameras are widely used in the industry. Such a surveillance camera system is used for security purposes such as building security, security, industrial facility monitoring or safety measures, military purposes, normal operation monitoring of important facilities and devices, and disaster prevention such as fire. Due to the usefulness and advantages of such surveillance camera systems, they are widely proposed today regardless of place and environment. However, in spite of the usefulness of this system, in the central center where the monitoring terminal is located, remote monitoring of the situation to a plurality of points in real time, communication connecting the monitoring terminal to the power cable or the monitoring camera necessary for the operation of the monitoring camera. If the cable is cut, there is a fatal drawback that the system itself becomes useless. Such cuts are made by intruders, harms, etc., but may also be caused by natural disasters or neglect of management. In addition, when the surveillance camera is installed under adverse conditions, i.e., in an environment where it is easily exposed to high or low temperatures such as deserts, difficult deep mountains, and remote islands, the problem of cutting power cables and communication cables has become serious. . In such an environment, a power network may be poor and power may not be supplied. In such a case, when a surveillance camera is required, how to stably supply power to drive the camera is a problem. It became. Furthermore, under such adverse conditions, there is a risk that the surveillance cameras will be exposed to high and low temperatures beyond the allowable limits, which may lead to an accident in which the surveillance cameras do not operate.

The present invention has been completed to solve the above problems. However, as will be described in detail below, the present invention solves the above problems in a bad condition, while adding other incidental problems not explicitly pointed out above.

An object of the present invention is to provide a system and control method for constructing and managing a surveillance camera system under adverse conditions by applying an efficient power supply and protection system and an internal temperature management system in a surveillance camera system.

In addition, another object of the present invention is to provide a means for further improving the utility of the surveillance camera system while operating the camera driving power in consideration of the environment of day and night.

On the other hand, other unspecified objects of the present invention will be further considered within the range that can be easily inferred from the following detailed description and effects.

In order to achieve the above object, the present invention provides a surveillance camera that is installed at a predetermined position and photographs a subject and a surveillance camera system that transmits image data of a subject transmitted from the surveillance camera to a monitoring center in real time. In

The surveillance camera device housing includes: (1) a solar cell unit for converting solar energy into electrical energy, and charging the secondary battery of the secondary battery unit using electrical energy of the solar cell unit while simultaneously A power supply system for supplying power to the circuit portion, and (2) measuring the temperature inside the surveillance camera device housing, and cooling the internal temperature of the housing when the measured temperature is higher than the set upper limit value through the internal temperature control unit, and the measured temperature is the lower limit value. In the following case, it is characterized by including an internal temperature management system for heating the internal temperature of the housing, and a central control unit for controlling the power supply system and the internal temperature management system.

Preferably, the secondary battery unit of the power supply system, a rechargeable secondary battery; The solar cell unit charges the secondary battery using electrical energy converted from solar energy, monitors the magnitude of the voltage drawn from the solar cell unit, and transmits the value to the central control unit. A charging circuit unit configured to stop charging of the secondary battery when a magnitude of an incoming voltage is less than or equal to a preset reference value by a command of the central controller; A protection circuit unit that blocks the conduction during overcharge, overdischarge, overcurrent and overheating; And a direct current / direct current conversion power supply circuit unit for supplying a voltage by converting the voltage of the secondary battery into a voltage suitable for a system specification when the secondary battery is used as a driving power supply for the internal circuit unit of the surveillance camera device. The branch is supplied with power for driving the internal circuit part of the surveillance camera device and simultaneously

The secondary battery is charged through a charging circuit unit, and when the voltage of the solar cell unit is equal to or less than a predetermined reference value, the switching unit opens a circuit with the solar cell unit and connects a circuit with the secondary battery to the secondary battery. The voltage is supplied by using the battery power as the driving power supply for the internal circuit portion of the surveillance camera device.

The apparatus may further include a commercial power supply unit supplying commercial power through an AC / DC adapter, wherein the central control unit prioritizes charging of the secondary battery of the solar cell unit and the commercial power supply unit, and It is preferable to determine the priority regarding the power supply of the battery unit, the secondary battery and the internal circuit unit of the surveillance camera device of the commercial power supply unit, and the priority of charging the secondary battery is the electricity supplied from the solar cell unit. Charging the secondary battery with energy, the charging circuit unit monitors the magnitude of the voltage drawn from the solar cell unit, transmits the value to the central control unit, and the magnitude of the incoming voltage from the solar cell unit is preset. If the reference value is less than the command of the central control unit, the secondary battery is charged with electrical energy of the commercial power supply unit,

The priority with respect to the power supply of the internal circuit part of the surveillance camera device is that when the incoming voltage from the solar cell part is equal to or less than a predetermined reference value, the switching part opens a circuit with the solar cell part and By connecting a circuit and supplying a voltage using the power of the secondary battery as the driving power of the internal circuit portion of the surveillance camera device, and the switching unit when the voltage supplied from the secondary battery is lower than a reference value or an abnormality occurs in operation. By connecting a circuit with the commercial power supply unit, the adapter power of the commercial power supply unit is used as the driving power of the internal circuit unit of the surveillance camera device.

In addition, in order to wirelessly transmit the image data captured by the surveillance camera to the monitoring center in real time, preferably further comprises a wireless transmission circuit unit in the surveillance camera device housing, the surveillance camera photographed through a wireless antenna It is preferable to wirelessly transmit image data to the monitoring center.

In addition, as an embodiment of the internal temperature management system of the present invention, the surveillance camera device housing is configured by dividing the inner and outer housings, the internal temperature measuring circuit unit is installed in the inner housing in which the internal circuits are located, The temperature control part includes a thermoelectric semiconductor attached to one side of the inner housing, a heat sink attached to a rear surface of the thermoelectric semiconductor, and a blower fan installed in the outer housing opposite to the heat sink, wherein the internal temperature It is preferable to operate the internal temperature control unit under the command of the central control unit based on the temperature value measured by the measurement circuit unit. There is another aspect of the present invention. The present invention is directed to a surveillance camera system installed at a predetermined position and a surveillance camera system for transmitting an image data of a subject transmitted from the surveillance camera to a monitoring center in real time, as a surveillance camera system power supply control method under adverse conditions. Charges the secondary battery through the charging circuit part using the voltage drawn from the solar cell part and simultaneously

Supplying drive power to internal circuits within the device housing; A voltage sensing unit of the charging circuit unit measuring a magnitude V1 of the voltage of the solar cell unit and transferring the measured voltage V1 to a central controller; And comparing the magnitude of the voltage of the solar cell unit received from the charging circuit unit with a preset reference voltage V0 and controlling the operation of the charging circuit unit to stop charging when "V1≤V0". Instructing the internal circuits to supply a voltage of a charged secondary battery; And continuously maintaining the surveillance camera photographing by supplying a voltage by converting the voltage of the secondary battery into a voltage suitable for the internal circuits through a DC / DC conversion power supply circuit unit.

Further, in another embodiment of the method for controlling the surveillance camera system power supply under this adverse condition, a surveillance camera installed at a predetermined position and photographing a subject and image data of the subject transmitted from the surveillance camera are transmitted to the monitoring center in real time. In the surveillance camera system, as a surveillance camera system control method under adverse conditions,

Charging a secondary battery through an internal charging circuit unit using a voltage drawn from the solar cell unit, and simultaneously supplying driving power to internal circuits in the surveillance camera device housing; A voltage sensing unit of the charging circuit unit measuring a magnitude V1 of the voltage of the solar cell unit and transferring the measured voltage V1 to a central controller; And comparing the magnitude of the voltage of the solar cell unit received from the charging circuit unit with a preset reference voltage V0, and controlling the operation of the charging circuit unit from the solar cell unit when "V1≤V0". Stopping charging and instructing to switch to commercial power that is previously connected through an adapter to charge the secondary battery with a DC power supply voltage V2;

When all of the secondary batteries are charged, the supply of the DC power supply voltage V2 supplied through the adapter is cut off, and the voltage of the secondary battery is converted into a voltage suitable for the internal circuits through the DC / DC conversion power supply circuit unit. And converting and supplying a voltage to continuously maintain surveillance camera photographing.

By the means of the present invention as described above, the efficient power supply and protection system and internal temperature management system is applied to the surveillance camera system, such as high temperature, low temperature, remote islands, deep mountains, desert, etc. It has the advantage of constructing and managing surveillance camera system even under adverse conditions.

In addition, even if the environment is not adversely affected, the system is driven by solar energy directly from the place where the camera is installed, rather than the electric energy supplied by the power company, and the secondary battery is charged with the solar energy at the same time. If solar energy is not available at night or in bad weather, use a rechargeable secondary battery,

It provides the effect that eco-friendly and economical surveillance camera system can be constructed.

In addition, by enabling the real-time transmission of the video data captured by the surveillance camera to the monitoring center, there is an advantage that solved the problem of the power cable and communication cable, which is the biggest difficulty in installation and management. Although effects not specifically mentioned in the specification of the present invention, it is added that the potential effects expected by the technical features of the present invention are treated as described in the specification of the present invention.

1 is a cross-sectional view of an external housing configuration example of a surveillance camera device according to the present invention.
2 is a schematic configuration diagram of a surveillance camera system according to the present invention.
3 is a view schematically showing a configuration example of a power supply system according to the present invention.
4 is a view schematically showing another configuration example of the power supply system according to the present invention.
Figure 5 is a block diagram showing the overall internal configuration according to the present invention.
6 is a flowchart illustrating an example of a power control method according to the present invention.
7 is a flowchart illustrating another example of a power control method according to the present invention.
The accompanying drawings show that they are exemplified as a reference for understanding the technical idea of the present invention, by which the scope of the present invention is not limited.

Hereinafter, with reference to the accompanying drawings will be described specific details for the practice of the invention. In the following description of the present invention, the gist of the present invention is unnecessary as it is obvious to those skilled in the art, such as general principles of solar cells or thermoelectric semiconductors or related known functions such as principles, types, characteristics of cameras, and specifications of cameras. If it is determined that it can be blurred, the detailed description thereof will be omitted.

1 is a cross-sectional configuration example viewed from the front in the surveillance camera device according to the present invention. The housing of the surveillance camera device has a double casing configuration of the inner and outer housings, and internal circuits and accessories are located in the inner housing 1, and the inner space is formed by having a predetermined distance from the inner housing 1. The outer housing 2 surrounds the inner housing 1. Reference numeral 3 denotes a camera lens, and reference numeral 4 denotes an infrared LED. In addition, a thermoelectric semiconductor 5 is attached to one side of the inner housing 1, and a heat sink 6 is mounted on the opposite side thereof. A blowing fan 7 is provided on one side of the outer housing 2 at a position facing the heat sink 6. On the other hand, the internal temperature measuring circuit unit (not shown) measures the internal temperature using a thermoelectric element (Thermo module), and transmits the measurement result to the central control unit. If the internal temperature measurement result of the internal temperature measurement circuit part is greater than or equal to a predetermined upper limit value, the thermoelectric semiconductor 5 is cooled to cool the internal temperature of the housing, and conversely, the result is equal to or less than the predetermined lower limit value.

In case of heating, change the polarity of applied voltage. When the internal temperature of the housing is high, the heat sink 6 is mounted as described above in order to efficiently cool it, and in order to further increase the cooling efficiency of the heat sink 6, the surveillance camera device housing is constituted by a double housing inside and outside, The inner space is formed at intervals between the inside and the outside, and the blower fan 7 is driven to the outer housing side facing the heat sink 6. The control of the driving of the blower fan 7 is performed by the internal temperature measuring circuit unit measuring the internal temperature of the housing, transmitting the result of the measurement to the control unit, and when the result is equal to or higher than a predetermined upper limit value, the control unit blows the blower fan 7. It controls by commanding the drive of the motor, and when the internal temperature is within the allowable value, the copper field of the blower fan 7 is stopped. Such a configuration relates to a temperature management system of the surveillance camera system according to the present invention.

2 schematically shows an example of the configuration of the surveillance camera system of the present invention. The camera unit 40 photographs a subject to be monitored and transmits image data of the subject to the monitoring center 60 through an antenna of the wireless transmitter 50 in real time. The power supply system 20 supplies power for driving and operating internal components, and the temperature management system 30 measures the temperature inside the surveillance camera device housing and the temperature inside the camera device housing is above or below a set temperature. By lowering the function to prevent the malfunction or non-operation of the surveillance camera device. The central control unit 10 controls the operation and interrelationship of the entire component of the surveillance camera device.

3 shows a schematic configuration of an embodiment of the power supply system 20. For convenience of description, the central control unit is not explicitly indicated. The solar cell unit 200 converts the focused light into electrical energy using a known solar cell of a junction type of a P-type semiconductor and an n-type semiconductor to convert the camera unit 40, the thermoelectric module 30, and Wireless transmitter

It is electrically connected to the surveillance camera device internal circuit unit 150 (including a blowing fan) and the secondary battery unit 100 including the 50 and supplies power at a 12V output voltage, and at the same time the secondary battery unit 100 The secondary battery 110). That is, the power supply system of the present invention basically charges the secondary battery 110 with the electric energy converted and generated from the solar cell unit 200 and simultaneously supplies power for the operation of the surveillance camera and other components. There is a characteristic in point.

The charging circuit unit 130 monitors the voltage supplied from the solar cell unit by the voltage monitoring unit 131 and charges the secondary battery 100. The voltage monitoring unit 131 detects the magnitude of the voltage drawn from the solar cell unit 200, and transfers the result to the central control unit 10.

The charging circuit unit 130 is controlled according to the magnitude of the incoming voltage of the solar cell unit 200 inputted by (10). When the magnitude of the incoming voltage of the solar cell unit 200 is less than or equal to a preset reference value, the solar cell unit 200 is recognized as an environment in which solar energy is difficult to use, such as at night or in rainy weather. The operation of the circuit unit is stopped and the circuit between the solar cell unit 200 and the camera device internal circuit unit 150 is opened through the switching unit 160, and the secondary battery unit 100 and the surveillance camera device internal circuit unit 150 are opened. The circuit is closed and the voltage of the charged secondary battery 100 is output to supply the voltage to the internal circuit unit 150 of the camera apparatus. At this time, the DC / DC conversion power supply circuit unit converts the secondary battery voltage into a voltage having a setting value suitable for the system specification. On the other hand, the protection circuit unit 120 protects the secondary battery from overcharging and overdischarging, and recognizes the generation of overcurrent due to an external shock and the internal high temperature and the temperature of the secondary battery to protect the secondary battery. . If the secondary battery is overcharged and the secondary battery is over-charged, the decomposition reaction of the organic electrolyte proceeds and there is a risk of overheating or explosion. On the contrary, if over-discharged, internal resistance increases, resulting in deterioration of battery performance or stability. do. Also, for the device

Discharge stops when abnormal current flows in the battery due to shock or device error. Instantly stops charging when a large amount of current flows due to external short circuit. That is, the protection circuit unit 120 blocks the conduction with the secondary battery during overcharging, overdischarging, overcurrent and overheating. As the secondary battery of the present invention, a lead acid battery, a lithium ion, a lithium polymer, and the like capable of charging and discharging are used, and the scope of the present invention is not limited to the type thereof. The camera unit 40 includes a camera lens and a camera circuit unit for capturing an image of a subject through the camera lens and performing image processing, and is not limited by the type and specification. Preferably, when the illumination is impossible to photograph the subject using the infrared LED and the CDS sensor which is a sensor whose resistance value changes according to the illuminance of the light, the lamp circuit unit may photograph the subject even in low light by operating the infrared LED. . The wireless transmitter 50 is a circuit unit that receives the video signal output from the surveillance camera unit and wirelessly transmits the video signal to the monitoring center 600 in real time, and includes a wireless antenna for transmitting the wireless video signal.

4 illustrates an embodiment different from FIG. 3, which relates to a system capable of charging a secondary battery using commercial power and supplying commercial power in an emergency. The commercial power supply unit 170 supplies power to the system by converting the commercial power of the high voltage into a 12V direct current through the AC / DC adapter commercial power, and is controlled by the central control unit. In the present embodiment, since there are three power sources for supplying power to the camera apparatus, such as a solar cell power source, a secondary battery power source, and a commercial power source through an adapter, it is important to relate to the relationship between the three power sources. First, the relationship between the solar cell and the secondary battery is as described above. However, since the commercial power supply is also electrically connected, it is necessary to control the power supply priorities. The priority for charging the secondary battery is that the solar cell unit 200 first charges the secondary battery 110, and when the supply voltage of the solar cell unit 200 drops to a voltage lower than a reference value, the charging circuit unit 130 is charged. When the voltage monitoring unit 131 detects and transfers the voltage to the central control unit 10, the central control unit 10 cuts off the voltage supply to the solar cell unit and charges the DC voltage of the commercial power supply unit 170 to the charging circuit unit 130. To be supplied as On the other hand, the priority for the power supply to the camera device internal circuit unit 150, as described in the embodiment of FIG. 3 above, first supply the power of the solar cell to the camera device internal circuit unit 150, below the predetermined reference value In response to the command of the central control unit 10, the switching unit 160 opens the circuit with the solar cell unit 200, connects the circuit with the secondary battery unit 100 to supply power from the secondary battery Receive. In addition, when the voltage of the secondary battery is detected to be less than the predetermined reference value, the switching unit 160 opens the circuit with the secondary circuit unit 100 in accordance with the command of the central control unit 10, the commercial warfare

The circuit unit 150 and the circuit are connected to supply the DC voltage of the commercial power supply unit 170 to the internal circuit unit 150 of the camera device.

5 schematically shows the overall internal structure and its relationship of one embodiment of the present invention. In showing the relationship between the components, the power supply line and the control signal line are not distinguished, but the relationship related to the power supply is the same as described in the embodiment of FIGS. Are connected to the central control unit 10.

6 and 7 illustrate an embodiment of a method for controlling power supply for a surveillance camera system in a bad condition. First, in relation to the power control method under the same conditions as in the embodiment of FIG. 3, as shown in the embodiment of FIG. 6, the secondary battery is charged using the power drawn from the solar cell unit and simultaneously Supplying operating power to the internal circuits (S10). The voltage monitoring unit of the charging circuit unit detects the magnitude V1 of the incoming voltage from the solar cell unit and transmits the result to the central controller (S20). The central control unit compares the incoming voltage V1 of the current solar cell unit with the reference voltage V0 preset in the apparatus (S30), and the incoming voltage V1 of the current solar cell unit is the reference voltage V0. In the following case, the operation of the charging circuit unit is controlled to stop the charging, and the command to supply the voltage of the charged secondary battery to the internal circuits of the surveillance camera device is performed (S40). When the incoming voltage V1 of the current solar cell unit is larger than the reference voltage V0, the charging of the secondary battery and the supply of operating power are continued. The protection circuit unit PCM protects the secondary battery from overcharge, overdischarge, and the like. Next, the secondary battery converts into a voltage suitable for the internal circuits of the camera device through the DC / DC conversion power supply circuit unit to supply voltage power to maintain the surveillance camera shooting continuously (S50).

FIG. 7 relates to a power supply control method under the same conditions as the embodiment of FIG. 4. As shown in the diagram of FIG. 7, the secondary battery is charged using the power drawn from the solar cell unit, and at the same time, operation power is supplied to the internal circuits of the surveillance camera device. The voltage monitoring unit of the charging circuit unit detects the magnitude V1 of the incoming voltage from the solar cell unit and transmits the result to the central controller (S120). The central control unit compares the incoming voltage V1 of the current solar cell unit with the reference voltage V0 preset in the device (S130), and the incoming voltage V1 of the current solar cell unit is the reference voltage V0. In the following case, the operation of the charging circuit unit is controlled to stop the charging, and is switched to a commercial power source which is connected in advance, thereby instructing the secondary battery to be charged by the DC power supply voltage V2 introduced through the adapter (S140). When the incoming voltage V1 of the current solar cell unit is larger than the reference voltage V0, the charging of the secondary battery and the supply of operating power are continued. Next, in step S140, the secondary battery is charged through the charging circuit unit using the DC power supply voltage V2 according to the command of the controller, and at the same time, the DC power supply voltage V2 is supplied to the internal circuits of the camera apparatus (S150). . Next, the central control unit determines whether all of the secondary batteries have been charged (S160), and if not fully charged, continues to charge, and if it is determined that all of the secondary batteries have been charged, controlling the operation of the charging circuit unit to stop charging and charging Command to supply the voltage of the secondary battery to the internal circuits of the surveillance camera device (S170). Then, the circuit is switched to cut off the supply of the DC power supply voltage (V2), and the power supply voltage of the secondary battery is converted to the specifications through the DC / DC conversion power supply circuit part and supplied to the internal circuits of the camera device to perform surveillance camera photography. Maintain continuously (S180). On the other hand, the scope of protection of the present invention is not limited by the embodiments explicitly described above. In addition, it should be noted that the protection scope of the present invention may not be limited due to obvious changes or substitutions in the technical field to which the present invention belongs.

Claims (7)

A surveillance camera system installed at a predetermined position and photographing a subject, and a surveillance camera system configured to transmit image data of a subject transmitted from the surveillance camera to a monitoring center in real time, wherein solar energy is stored as electrical energy in the surveillance camera device housing. A power supply system which includes a solar cell unit for converting and supplies electric power to an internal circuit of the surveillance camera device while charging the secondary battery of the secondary battery unit using electrical energy of the solar cell unit; and the surveillance camera device housing. An internal temperature management system for measuring an internal temperature, cooling the internal temperature of the housing when the measured temperature is higher than the set upper limit value through the internal temperature control unit, and heating the internal temperature of the housing when the measured temperature is lower than the lower limit value; Supply system and the internal temperature management Surveillance camera system comprising a central control unit for controlling the system. The rechargeable battery of claim 1, wherein the secondary battery unit of the power supply system comprises: a rechargeable secondary battery; The solar cell unit charges the secondary battery by using electrical energy converted from solar energy, monitors the magnitude of the voltage drawn from the solar cell unit, and transmits the value to the central control unit. A charging circuit unit configured to stop charging of the secondary battery when the magnitude of the incoming voltage is less than or equal to a preset reference value by receiving a command from the central controller; A protection circuit unit that blocks the conduction during overcharge, overdischarge, overcurrent and overheating; And a direct current / direct current conversion power supply circuit unit for supplying a voltage by converting the voltage of the secondary battery into a voltage suitable for a system specification when the secondary battery is used as a driving power supply for the internal circuit unit of the surveillance camera device. At the same time, the secondary battery is charged with the power required for driving the internal circuit part of the surveillance camera device, and when the voltage of the solar cell part is equal to or less than a predetermined reference value, the switching part is connected to the solar cell part. Open circuit and connect the circuit with the secondary battery to supply the voltage of the secondary battery as the driving power of the internal circuit portion of the surveillance camera device.
City camera system. 3. The apparatus of claim 2, further comprising a commercial power supply unit supplying commercial power through an AC / DC adapter, wherein the central control unit prioritizes charging of the solar cell unit and the secondary battery of the commercial power supply unit; Priority regarding power supply of the battery unit, the secondary battery and the internal circuit unit of the monitoring camera device of the commercial power supply unit is set, and the priority regarding the charging of the secondary battery is the electrical energy supplied from the solar cell unit. When charging the secondary battery, the charging circuit unit monitors the magnitude of the voltage supplied from the solar cell unit, transmits the value to the central control unit, the magnitude of the incoming voltage from the solar cell unit is less than a predetermined reference value In response to a command from the central control unit, charges the secondary battery with electrical energy of the commercial power supply unit, and internally monitors the surveillance camera device. The priority with respect to the negative power supply is that when the magnitude of the incoming voltage from the solar cell unit is equal to or less than a predetermined reference value, the switching unit opens a circuit with the solar cell unit and connects a circuit with the secondary battery. And supplying a voltage using the power of the secondary battery as the driving power of the internal circuit of the surveillance camera device, and when the voltage supplied from the secondary battery is equal to or less than a reference value or an abnormality occurs in operation, the switching unit is connected to the commercial power supply unit. And the power supply of the commercial power supply unit adapter as the driving power supply of the internal circuit unit of the surveillance camera device by connecting a circuit of the circuit. The apparatus of claim 1, further comprising a wireless transmission circuit unit in the surveillance camera device housing to wirelessly transmit image data captured by the surveillance camera to the monitoring center in real time. A surveillance camera system under adverse conditions for wirelessly transmitting one image data to the monitoring center. The apparatus of claim 1, wherein the surveillance camera device housing is divided into an inner and an outer housing, an inner temperature measuring circuit unit is installed in the inner housing in which the inner circuits are located, and the inner temperature adjusting unit is one of the inner housings. A thermoelectric semiconductor attached to the side surface, a heat sink attached to the rear surface of the thermoelectric semiconductor, and a blower fan installed in the outer housing opposite to the heat sink, and having a temperature value measured by the internal temperature measuring circuit unit. Surveillance camera system under adverse conditions, characterized in that for operating the internal temperature control unit in response to the command from the central control unit. In a surveillance camera system installed at a predetermined position and photographing a subject, and a surveillance camera system that transmits image data of a subject transmitted from the surveillance camera to a monitoring center in real time, the surveillance camera system power control method under adverse conditions,
Charging a secondary battery through an internal charging circuit unit using a voltage drawn from the solar cell unit, and simultaneously supplying driving power to internal circuits in the surveillance camera device housing; The voltage sensing unit of the charging circuit unit measures the magnitude of the voltage (V1) of the solar cell unit and transmitting to the central control unit; And comparing the magnitude of the voltage of the solar cell unit received from the charging circuit unit with a preset reference voltage V0 and controlling the operation of the charging circuit unit to stop the charging when “V1 ≦ V0”. Instructing the internal circuits to supply a voltage of a charged secondary battery; And continuously maintaining the surveillance camera photographing by supplying a voltage by converting the voltage of the secondary battery into a voltage suitable for the internal circuits through a DC / DC conversion power supply circuit unit. Power control method. In a surveillance camera system installed at a predetermined position and photographing a subject, and a surveillance camera system that transmits image data of a subject transmitted from the surveillance camera to a monitoring center in real time, as a method of controlling the surveillance camera system under adverse conditions, Charging a secondary battery through an internal charging circuit unit using an incoming voltage, and simultaneously supplying driving power to internal circuits in the surveillance camera device housing;
The voltage sensing unit of the charging circuit unit measures the magnitude of the voltage (V1) of the solar cell unit and transmitting to the central control unit; And comparing the magnitude of the voltage of the solar cell unit received from the charging unit of the central control unit with a preset reference voltage V0, in the case of “V1 ≦ V0”, controls the operation of the charging circuit unit to charge the solar cell unit. Stopping and switching to a commercial power source previously connected through an adapter to charge the secondary battery with a DC power voltage V2; When all of the secondary batteries are charged, the supply of the DC power voltage V2 supplied through the adapter is cut off, and the voltage of the secondary battery is converted into a voltage suitable for the internal circuits through the DC / DC conversion power supply circuit unit. And continuously maintaining the surveillance camera photographing by converting and supplying a voltage.

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