Safety monitoring camera for fire protection

Abstract

The utility model discloses a safety monitoring camera for fire fighting. The safety monitoring camera comprises a shell and a driving unit, an infrared thermal imaging machine core is arranged on the left front side in the shell, an image sensor is arranged on the left rear side in the shell, a supporting shaft is rotationally connected to the bottom of the shell, a fixing plate is arranged at the lower end of the supporting shaft, the upper end of the supporting shaft extends into the shell, and a twisting plate is arranged at the end of the upper end of the supporting shaft; the driving unit is arranged at the right end in the shell, and the lower end of the driving unit is slidably connected with a long sliding hole in the right side of the upper surface of the twisting plate; the fire-fighting safety monitoring camera further comprises a controller, the controller is arranged in the shell, the output end of the infrared thermal imaging machine core and the output end of the image sensor are electrically connected with the input end of the controller, and the input end of the controller is electrically connected with an external power source. And meanwhile, image and temperature dual detection can be carried out, the monitoring accuracy is good, and the timeliness is high.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring equipment, in particular to a safety monitoring camera for fire fighting. Background Art

[0002] A surveillance camera is a semiconductor imaging device with the advantages of high sensitivity, resistance to strong light, low distortion, small size, long life, and vibration resistance. It is widely used in security systems. Security monitoring cameras used for firefighting generally have a flame detection function, which can identify the shape of the flame and then give timely warnings, providing protection for fire safety. Currently, the main cameras used are CCD cameras, which have a rectangular appearance and are usually fixed. They cannot rotate during use, have a small monitoring range, and generally cannot monitor the ambient temperature. They only rely on images for detection, which affects the accuracy and timeliness of monitoring. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a safety monitoring camera for fire fighting. The monitoring process can be swung to have a large monitoring range, and dual detection of image and temperature can be performed at the same time. The monitoring accuracy is good and timeliness is high, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety monitoring camera for fire fighting, comprising a housing and a driving unit;

[0005] Shell: The left front side of the shell is provided with an infrared thermal imaging core, the left rear side of the shell is provided with an image sensor, the bottom of the shell is rotatably connected with a support shaft, the lower end of the support shaft is provided with a fixing plate, the upper end of the support shaft extends to the inside of the shell and is provided with a torsion plate at the end;

[0006] Driving unit: arranged at the right end inside the housing, the lower end of the driving unit is slidably connected with the long sliding hole on the right side of the upper surface of the torsion plate;

[0007] Among them: it also includes a controller, which is arranged inside the shell, the output ends of the infrared thermal imaging movement and the image sensor are electrically connected to the input end of the controller, and the input end of the controller is electrically connected to an external power supply. During use, dual detection can be performed through image and temperature, and the fire monitoring is timely and accurate, which ensures fire safety. At the same time, the shell can swing slowly, the monitoring range is large, and the monitoring range is adjustable for good use effect.

[0008] Furthermore, the driving unit includes a moving seat and an eccentric shaft. The moving seat is slidably connected to the right end inside the shell. The middle part of the moving seat is rotatably connected to the eccentric shaft. The lower end of the eccentric shaft is slidably connected to the long sliding hole on the right side of the upper surface of the torsion plate, which facilitates the swing of the driving shell.

[0009] Furthermore, the driving unit also includes a motor, which is arranged on the upper surface of the movable seat through a motor seat, the output shaft of the motor is fixedly connected to the upper end of the eccentric shaft, and the input end of the motor is electrically connected to the output end of the controller to facilitate driving the rotation of the eccentric shaft.

[0010] Furthermore, the drive unit also includes a nut and a screw rod, the screw rod is rotatably connected to the right end of the shell through a bearing, the nut is arranged on the right side of the upper surface of the moving seat, and the left end of the screw rod is threadedly connected to the nut to facilitate the adjustment of the position of the moving seat.

[0011] Furthermore, the driving unit also includes a handwheel, which is arranged at the right end of the screw rod to facilitate the control of the rotation of the screw rod.

[0012] Furthermore, two positioning rings are provided on the left end of the outer arc surface of the screw rod, and the nut is located between the two positioning rings to limit the rotation range of the nut.

[0013] Furthermore, a scale is provided at the right end of the movable base, and the right end of the scale extends out of the right side surface of the shell, so as to facilitate determination of the position of the movable base.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the fire safety monitoring camera has the following advantages:

[0015] 1. When in use, connect the fixing plate to the external camera support frame, and the light enters the image sensor through the lens. The photons in the photosensitive unit of the image sensor will cause the release of electrons and gather at the output end of the chip to form a voltage signal and transmit it to the controller. The electrical signal received by the controller is converted into a digital signal and transmitted to the external fire protection system to generate an image. The controller recognizes the flame shape from the image. At the same time, the infrared thermal imaging movement converts the infrared radiation energy into heat energy, and then converts the heat energy into an electrical signal and transmits it to the controller, thereby realizing the measurement and detection of the infrared radiation signal and measuring the temperature of the environment, thereby ensuring the accuracy of fire monitoring. When a fire is detected, the controller sends an electrical signal to the external fire protection system through a cable. During use, dual detection can be performed through images and temperature, which ensures the timeliness and accuracy of fire monitoring and ensures fire safety.

[0016] 2. During monitoring, the motor runs, and the output shaft of the motor drives the eccentric shaft to rotate. The shaft at the lower end of the eccentric shaft does not coincide with the axis of the output shaft of the motor. The eccentric shaft and the long sliding hole on the right side of the upper surface of the torsion plate slide relative to each other. The torsion plate is stationary, and the eccentric shaft drives the moving seat to swing back and forth. The moving seat drives the housing, infrared thermal imaging movement, and image sensor to slowly swing around the support shaft. During use, the motor can drive the housing to swing slowly, changing the shooting angle of the infrared thermal imaging movement and image sensor, thereby having a larger monitoring range.

[0017] 3. During the installation process, the handwheel can be rotated to drive the screw to rotate. The screw drives the moving seat to move horizontally through the nut, and the moving seat drives the movement of the eccentric shaft. The closer the eccentric shaft is to the support shaft, the greater the swing amplitude of the shell and the larger the monitoring range. During use, the distance between the eccentric shaft and the support shaft can be adjusted, and the monitoring area can be adjusted according to the needs of use, which has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the housing of the utility model;

[0020] Figure 3 It is a cross-sectional structural schematic diagram of the drive unit of the utility model;

[0021] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0022] In the figure: 1 housing, 2 support shaft, 3 fixing plate, 4 image sensor, 5 infrared thermal imaging movement, 6 controller, 7 torsion plate, 8 drive unit, 81 moving seat, 82 eccentric shaft, 83 motor, 84 nut, 85 screw rod, 86 hand wheel, 9 positioning ring, 10 scale. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 ,This embodiment provides a technical solution: a fire-fighting safety monitoring camera, comprising a housing 1 and a driving unit 8;

[0025] Shell 1: An infrared thermal imaging core 5 is provided on the left front side of the shell, and a fixing plate 3 is connected to an external camera support frame. An image sensor 4 is provided on the left rear side of the shell 1. Light is incident on the image sensor 4 through a lens. Photons in the photosensitive unit of the image sensor 4 will cause the release of electrons and gather at the output end of the chip. A support shaft 2 is rotatably connected to the bottom of the shell 1. A fixing plate 3 is provided at the lower end of the support shaft 2. The upper end of the support shaft 2 extends to the inside of the shell 1 and a torsion plate 7 is provided at the end.

[0026] The driving unit 8 is arranged at the right end inside the housing 1, and the lower end of the driving unit 8 is slidably connected to the long sliding hole on the right side of the upper surface of the torsion plate 7. The driving unit 8 includes a moving seat 81 and an eccentric shaft 82. The moving seat 81 is slidably connected to the right end inside the housing 1, and the middle part of the moving seat 81 is rotatably connected with the eccentric shaft 82. The lower end of the eccentric shaft 82 is slidably connected to the long sliding hole on the right side of the upper surface of the torsion plate 7. The driving unit 8 also includes a motor 83. The motor 83 is arranged on the upper surface of the moving seat 81 through the motor seat, and the output shaft of the motor 83 is connected to the upper surface of the eccentric shaft 82. The input end of the motor 83 is electrically connected to the output end of the controller 6. While monitoring, the motor 83 runs, and the output shaft of the motor 83 drives the eccentric shaft 82 to rotate. The shaft body at the lower end of the eccentric shaft 82 does not coincide with the axis of the output shaft of the motor 83. The eccentric shaft 82 and the long sliding hole on the right side of the upper surface of the torsion plate 7 slide relative to each other. The torsion plate 7 is stationary, and then the eccentric shaft 82 drives the moving seat 81 to swing back and forth. The moving seat 81 drives the housing 1, the infrared thermal imaging movement 5, and the image sensor 4 to slowly swing around the support shaft 2, and then The drive unit 8 also includes a nut 84 and a screw 85. The screw 85 is rotatably connected to the right end of the housing 1 through a bearing. The nut 84 is arranged on the right side of the upper surface of the moving seat 81. The left end of the screw 85 is threadedly connected to the nut 84. The drive unit 8 also includes a handwheel 86. The handwheel 86 is arranged on the right end of the screw 85. During the installation process, the handwheel 86 can be rotated to drive the screw 85 to rotate. The screw 85 drives the moving seat 81 to move horizontally through the nut 84. The moving seat 81 drives the movement of the eccentric shaft 82 to achieve The distance between the eccentric shaft 82 and the support shaft 2 is adjusted. When the distance between the eccentric shaft 82 and the support shaft 2 is closer, the swing amplitude of the housing 1 is larger and the monitoring range is larger. Then, the monitoring area can be adjusted according to the use requirements. Two positioning rings 9 are provided on the left end of the outer arc surface of the screw rod 85. The nut 84 is located between the two positioning rings 9. The positioning ring 9 limits the movement range of the nut and the moving seat 81. The right end of the moving seat 81 is provided with a scale 10. The right end of the scale 10 extends out of the right side of the housing 1, which is convenient for determining the position of the moving seat 81.

[0027] Wherein: it also includes a controller 6, which is arranged inside the shell 1, the output ends of the infrared thermal imaging core 5 and the image sensor 4 are electrically connected to the input end of the controller 6, the input end of the controller 6 is electrically connected to an external power supply, the image sensor 4 forms a voltage signal and transmits it to the controller 6, the electrical signal received by the controller 6 is converted into a digital signal and transmitted to the external fire protection system to generate an image, the controller 6 recognizes the flame shape of the image, the infrared thermal imaging core 5 converts the infrared radiation energy into heat energy, and then converts the heat energy into an electrical signal and transmits it to the controller 6, thereby realizing the measurement and detection of the infrared radiation signal, measuring the temperature of the environment, and then ensuring the accuracy of fire monitoring, when a fire is found, the controller 6 sends an electrical signal to the external fire protection system through a cable.

[0028] The working principle of a fire-fighting safety monitoring camera provided by the utility model is as follows: when in use, the fixing plate 3 is connected to the external camera support frame, and light is emitted into the image sensor 4 through the lens. The photons in the photosensitive unit of the image sensor 4 will cause the release of electrons and gather at the output end of the chip to form a voltage signal and transmit it to the controller 6. The electrical signal received by the controller 6 is converted into a digital signal and transmitted to the external fire-fighting system to generate an image. The controller 6 recognizes the flame shape of the image, and at the same time, the infrared thermal imaging movement 5 converts the infrared radiation energy into heat energy, and then converts the heat energy into an electrical signal and transmits it to the controller 6, thereby realizing the measurement and detection of the infrared radiation signal, measuring the temperature of the environment, and thus ensuring the accuracy of fire monitoring. When a fire is detected, the controller 6 sends an electrical signal to the external fire-fighting system through a cable. While monitoring, the motor 83 runs, and the output of the motor 83 The shaft drives the eccentric shaft 82 to rotate, and the shaft body at the lower end of the eccentric shaft 82 does not coincide with the axis of the output shaft of the motor 83. The eccentric shaft 82 and the long sliding hole on the right side of the upper surface of the torsion plate 7 slide relative to each other, and the torsion plate 7 is stationary, and then the eccentric shaft 82 will drive the moving seat 81 to swing back and forth, and the moving seat 81 drives the housing 1, the infrared thermal imaging movement 5, and the image sensor 4 to slowly swing around the support shaft 2, thereby having a larger monitoring range. In the installation process, the hand wheel 86 can be rotated to drive the screw rod 85 to rotate, and the screw rod 85 drives the moving seat 81 to move horizontally through the nut 84, and the moving seat 81 drives the movement of the eccentric shaft 82 to adjust the distance between the eccentric shaft 82 and the support shaft 2. The closer the distance between the eccentric shaft 82 and the support shaft 2 is, the greater the swing amplitude of the housing 1 is, and the larger the monitoring range is, and the monitoring area can be adjusted according to the needs of use.

[0029] It is worth noting that the infrared thermal imaging movement 5, image sensor 4, controller 6 and motor 83 disclosed in the above embodiments can be freely configured according to the actual application scenario. The motor 83 can use a permanent magnet synchronous motor with a model of 49KTYZ, the image sensor 4 can use an image sensor with a model of I MX225LQR, the infrared thermal imaging movement 5 can use an infrared thermal imaging movement with a model of M26S100, and the controller 6 controls the operation of the infrared thermal imaging movement 5, the image sensor 4 and the motor 83 using methods commonly used in the prior art.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A fire-fighting security monitoring camera, characterized in that: It comprises a housing (1) and a drive unit (8); The housing (1) is provided with an infrared thermal imaging core (5) on the left front side thereof, and an image sensor (4) is provided on the left rear side thereof. The bottom of the housing (1) is rotatably connected to a support shaft (2), a fixing plate (3) is provided at the lower end of the support shaft (2), and the upper end of the support shaft (2) extends to the interior of the housing (1) and is provided with a torsion plate (7) at the end. A driving unit (8) is arranged at the right end inside the housing (1), and the lower end of the driving unit (8) is slidably connected to the long sliding hole on the right side of the upper surface of the torsion plate (7); The invention further comprises a controller (6), wherein the controller (6) is arranged inside the housing (1), the output ends of the infrared thermal imaging core (5) and the image sensor (4) are electrically connected to the input end of the controller (6), and the input end of the controller (6) is electrically connected to an external power supply.

2. A fire-fighting safety monitoring camera according to claim 1, characterized in that: The driving unit (8) comprises a moving seat (81) and an eccentric shaft (82); the moving seat (81) is slidably connected to the right end inside the housing (1); the middle part of the moving seat (81) is rotatably connected to the eccentric shaft (82); the lower end of the eccentric shaft (82) is slidably connected to the long sliding hole on the right side of the upper surface of the torsion plate (7).

3. A fire-fighting safety monitoring camera according to claim 2, characterized in that: The drive unit (8) further comprises a motor (83), wherein the motor (83) is arranged on the upper surface of the movable seat (81) via a motor seat, the output shaft of the motor (83) is fixedly connected to the upper end of the eccentric shaft (82), and the input end of the motor (83) is electrically connected to the output end of the controller (6).

4. A fire-fighting safety monitoring camera according to claim 2, characterized in that: The driving unit (8) further comprises a nut (84) and a screw rod (85), wherein the screw rod (85) is rotatably connected to the right end of the housing (1) via a bearing, the nut (84) is arranged on the right side of the upper surface of the movable seat (81), and the left end of the screw rod (85) is threadedly connected to the nut (84).

5. A fire-fighting safety monitoring camera according to claim 4, characterized in that: The driving unit (8) further comprises a hand wheel (86), and the hand wheel (86) is arranged at the right end of the screw rod (85).

6. A fire-fighting safety monitoring camera according to claim 4, characterized in that: Two positioning rings (9) are provided on the left end of the outer arc surface of the screw rod (85), and the nut (84) is located between the two positioning rings (9).

7. A fire-fighting safety monitoring camera according to claim 2, characterized in that: A scale (10) is provided at the right end of the movable seat (81), and the right end of the scale (10) extends out of the right side surface of the housing (1).

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