CN111741270A - Temperature self-control defogging monitoring camera - Google Patents

Temperature self-control defogging monitoring camera Download PDF

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Publication number
CN111741270A
CN111741270A CN202010637565.6A CN202010637565A CN111741270A CN 111741270 A CN111741270 A CN 111741270A CN 202010637565 A CN202010637565 A CN 202010637565A CN 111741270 A CN111741270 A CN 111741270A
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CN
China
Prior art keywords
monitoring
built
shell
monitoring body
air
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010637565.6A
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Chinese (zh)
Inventor
熊旭斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan haomengyuan mechanical equipment manufacturing Co.,Ltd.
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Wuhan Wanjie Photoelectric Co ltd
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Publication date
Application filed by Wuhan Wanjie Photoelectric Co ltd filed Critical Wuhan Wanjie Photoelectric Co ltd
Priority to CN202010637565.6A priority Critical patent/CN111741270A/en
Publication of CN111741270A publication Critical patent/CN111741270A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/55Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/51Housings

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)

Abstract

The invention discloses a temperature self-control demisting monitoring camera, relating to the technical field of monitoring devices and comprising a monitoring body and a shell, the output end of the monitoring body is connected with a lens and is arranged at the front end in the shell, a built-in cavity is arranged in one end of the shell far away from the monitoring body, a plurality of air channels are arranged in the peripheral side of the shell, wherein the air inlet port of the air duct is communicated with the peripheral side of one end of the built-in cavity far away from the monitoring body, and the air outlet port points to the surface of the lens, the monitoring body generates more heat in the long-term working process, the memory spring in the built-in cavity is heated and phase-changed to be shortened so as to pull the driving shaft to move towards the mounting rack, and then the drive fan rotates, and wind-force blows the rotor plate and rotates and open, and the hot air of built-in intracavity is discharged, makes inside temperature reduce, protects the control body, avoids its temperature to rise continuously to influence the operating condition and the life of control body inner member and then influence and shoot the quality.

Description

Temperature self-control defogging monitoring camera
Technical Field
The invention relates to the technical field of monitoring devices, in particular to a temperature self-control demisting monitoring camera.
Background
Need install monitoring device in urban traffic road or district security protection system, current monitoring device generally adopts the surveillance camera head to carry out the collection of photo or video recording to with data transmission to display or high in the clouds, supply the staff to observe and the system backup is waited to examine. During the long-term working process of the monitoring camera, more heat is generated inside the monitoring camera, so that the working state and the service life of elements inside the monitoring body are easily influenced, and the shooting quality is further influenced; meanwhile, a lens on the outdoor monitoring camera is easily adhered by external dust or water mist, so that the monitoring shooting quality is directly reduced, and even shooting data collection is invalid.
Disclosure of Invention
The invention provides a temperature self-control demisting monitoring camera, and aims to solve the problem that the shooting quality is reduced due to the influence of the internal temperature, external dust and water mist on an outdoor camera in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a temperature self-control demisting monitoring camera comprises a monitoring body and a shell, wherein the output end of the monitoring body is connected with a lens and is installed at the front end in the shell, a built-in cavity is arranged in one end, away from the monitoring body, of the shell, a plurality of air channels are arranged in the periphery of the shell, air inlet ports of the plurality of air channels are communicated with the periphery of one end, away from the monitoring body, of the built-in cavity, air outlet ports of the plurality of air channels point to the surface of the lens, a plurality of air inlet holes are arranged in the periphery of one end;
the mounting frame is in heat conduction connection with the monitoring body, the middle part of the mounting frame is in sliding connection with a driving shaft and is in rotating connection with a fan, the middle part of the fan is coaxially in threaded connection with the middle part of the driving shaft, one end, far away from the monitoring body, of the driving shaft is coaxially and fixedly connected with an annular wing frame, a memory spring is fixedly connected between the annular wing frame and the mounting frame, a heating wire is fixedly connected onto the memory spring, the heating wire is electrically connected with a controller, and the controller is installed in the monitoring body and is controlled by;
the built-in chamber is kept away from and is seted up the heat dissipation window on the control body one end terminal surface, the heat dissipation window internal rotation is connected with a plurality of axis of rotation, equal fixedly connected with rotor plate in a plurality of axis of rotation, and wherein adjacent rotor plate top and bottom are pasted each other and are leaned on and shelter from the heat dissipation window, and little magnetic sheet has all been inlayed to a plurality of rotor plate bottoms, and wherein a plurality of little magnetic sheets are relative with the magnetic field like magnetic pole that the heating wire circular telegram.
Preferably, a plurality of the air inlet holes are all provided with one-way valves, and the one-way valves are communicated with the built-in cavity from the outside in a one-way mode.
Preferably, the mounting bracket is cross-shaped and has thermal conductivity.
Preferably, the side of the annular wing frame remote from the drive shaft rests lightly on the rotor plate in the cooling window.
Preferably, a plurality of the rotating pieces are made of homogeneous materials, the vertical section of the rotating pieces is conical, the rotating shaft is located between the gravity center of the cone and the median line, and the tops of the rotating pieces are attached to the outer sides of the bottoms of the adjacent rotating pieces on the upper side of the rotating pieces.
Preferably, it is a plurality of the wind channel coils in the shell, the shell is close to camera lens one end internal rotation and is connected with a plurality of baffles, and is a plurality of equal fixedly connected with buffer spring and one-to-one seal wind channel air-out port on the baffle, it is a plurality of buffer spring keeps away from baffle one end fixed connection on the shell.
Compared with the prior art, the invention has the following beneficial effects:
1. the monitoring body generates more heat in the long-term working process, the temperature of the mounting frame in the built-in cavity rises until the temperature reaches the phase change temperature of the memory spring, the memory spring connected with the mounting frame is shortened in phase change to pull the driving shaft to move the mounting frame, and further the fan is driven to rotate, the fan rotates to blow hot air in the built-in cavity to the heat dissipation window along the axial direction of the fan, the rotating sheet on the heat dissipation window is positioned below the median line of the rotating sheet due to the rotating shaft, the rotating sheet is blown by wind power to rotate to be opened, the hot air in the built-in cavity is discharged, the internal temperature is reduced, the monitoring body is protected, and the situation that the working state and the service life of an internal element of the.
2. In the working process of the invention, if the shooting quality of the monitoring body is reduced, the monitoring body enables the controller to start working, the controller leads higher current to the electric heating wire on the memory spring, the electric heating wire generates a large amount of heat and forms a magnetic field simultaneously in the conducting process, the magnetic field formed by electrifying the electric heating wire is opposite to the same-name magnetic pole of the small magnetic sheet on the rotating sheet and generates magnetic repulsion to the small magnetic sheet, so that the rotating sheet on the heat dissipation window still keeps the shielding effect on the heat dissipation window, at the moment, the memory spring reaching the phase transition temperature drives the fan to rotate, the fan pushes hot air in the built-in cavity to rush to the existing outlet in the built-in cavity, namely the air inlet port of the air channel, the hot air is blown out from the air outlet port through the air channel, the elasticity of the buffer spring of the baffle is overcome, the baffle is opened, the hot air is blown to the lens of, to recover the deterioration of the photographing quality of the monitoring body due to the dust and the water mist.
3. When the temperature of the working environment is lower, the monitoring body enables the controller to supply lower current to the electric heating wires, the heat generated by the electric heating wires is less, the memory spring does not reach the phase change temperature, the fan keeps static, the electric heating wires keep magnetic repulsion to the plurality of rotating sheets, the tightness of the built-in cavity is improved, meanwhile, the elastic force of the buffer spring between the baffle and the shell cannot be overcome due to insufficient driving force of hot air in the built-in cavity and the air duct, and the air duct is wound in the shell, so that the monitoring body in the shell has an effective heat preservation effect, and the normal work of the monitoring body is maintained.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
fig. 3 is an enlarged view of part B of fig. 1.
In the figure: the monitoring device comprises a monitoring body 1, a lens 11, a shell 2, an air duct 21, a baffle 22, a buffer spring 23, a built-in cavity 3, an air inlet 31, a one-way valve 32, a mounting rack 4, a driving shaft 5, an annular wing frame 51, a fan 6, a memory spring 7, an electric heating wire 8, a heat dissipation window 9, a rotating shaft 91, a rotating sheet 92, a small magnetic sheet 93 and a controller 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a temperature self-control defogging monitoring camera comprises a monitoring body 1 and a shell 2, wherein the output end of the monitoring body 1 is connected with a lens 11 and is installed at the front end in the shell 2, and the monitoring body 1 is matched with the lens 11 to carry out monitoring camera shooting operation.
The shell 2 is provided with built-in chamber 3 in keeping away from 1 one end of control body, has seted up a plurality of wind channels 21 in 2 week sides of shell, and wherein the 1 one end week side of control body is kept away from at built-in chamber 3 to a plurality of wind channels 21 air inlet port intercommunication, and the directional camera lens 11 surface of air-out port conveniently removes dust and defogging work to camera lens 11.
A plurality of wind channels 21 coil in shell 2, improve the area of contact of wind channel 21 and shell 2, and then improve the heat preservation effect when keeping warm.
A plurality of air inlets 31 and inside middle part fixedly connected with mounting bracket 4 are seted up to being close to 1 one end week side of control body in built-in chamber 3, all install check valve 32 in a plurality of air inlets 31, and a plurality of check valves 32 are by external one-way conduction in 3 to built-in chambers, make things convenient for air admission in 3 of built-in chambers.
Mounting bracket 4 is connected and middle part sliding connection has drive shaft 5 and swivelling joint has fan 6 with 1 heat conduction of control body, and mounting bracket 4 is the cross, and has the heat conductivity, reduces sheltering from to fan 6.
Coaxial threaded connection in the middle part of fan 6 is on 5 middle parts of drive shaft, and drive shaft 5 is kept away from the coaxial fixedly connected with annular wing frame 51 of 1 one end of monitoring body, fixedly connected with memory spring 7 between annular wing frame 51 and the mounting bracket 4, and memory spring 7 adopts CuZnAl memory alloy to wind into, trains for shortening the state when the high temperature, and when the temperature reduced, memory spring extension to natural state promoted fan 6 through drive shaft 5 and rotates when memory spring 7 shortened.
The memory spring 7 is fixedly connected with an electric heating wire 8, the electric heating wire 8 adopts the existing metal electric heating wire, heat is released after the power is on, the self is in a spring shape due to the fact that the electric heating wire 8 can be powered on and is fixedly connected to the memory spring 7, when the power is on, each coil of spring is equivalent to one coil, and the coil is powered on to generate an induced magnetic field.
The electric connection of heating wire 8 has controller 10, and controller 10 installs in monitoring body 1 and receives monitoring body 1's control, and monitoring body 1 is when external ambient temperature is lower or the shooting quality is relatively poor, triggers controller 10, and controller 10 controls the break-make and the circular telegram electric current size of heating wire 8.
Built-in chamber 3 is kept away from and has been seted up radiator window 9 on the 1 one end terminal surface of control body, radiator window 9 internal rotation is connected with a plurality of axis of rotation 91, equal fixedly connected with rotor plate 92 on a plurality of axis of rotation 91, wherein adjacent rotor plate 92 top and bottom paste each other and shelter from radiator window 9, a plurality of rotor plates 92 adopt even material and vertical cross section to be the toper, wherein axis of rotation 91 is located between toper focus and the median line, and the rotor plate 92 top pastes and lean on in the adjacent rotor plate 92 bottom outside of its upside, under natural state, a plurality of rotor plates 92 keep pasting each other under the action of gravity and paste and then shelter from radiator window 9, when receiving horizontal wind-force to blow, because rotor plate 92 is located rotor plate 91 upside lifting surface area big, and then easily opened from inside to outside by wind.
The annular wing frame 51 rests lightly on the rotary blade 92 in the cooling window 9 on the side remote from the drive shaft 5, and initially prevents the rotary blade 92 from rotating open.
The small magnetic sheets 93 are embedded at the bottoms of the plurality of rotating sheets 92, wherein the magnetic poles of the magnetic fields formed by electrifying the heating wires 8 are opposite to the magnetic poles of the same name, when the heating wires 8 are electrified, the plurality of rotating sheets 92 are kept to be tightly attached, and the sealing property of the built-in cavity 3 is improved.
Shell 2 is close to 11 one end rotations of camera lens and is connected with a plurality of baffles 22, and equal fixedly connected with buffer spring 23 and the one-to-one seal 21 air-out ports in wind channel on a plurality of baffles 22, and baffle 22 one end fixed connection is kept away from on shell 2 to a plurality of buffer spring 23, and baffle 22 seals wind channel 21 under buffer spring 23's elastic force effect, maintains the heat preservation effect when keeping warm.
The principles of the present invention are now described as follows:
when the monitoring body 1 generates more heat in the long-term working process, when the external environment temperature is higher, heat is gradually accumulated in the built-in cavity 3, the temperature of the mounting frame 4 fixedly connected in the built-in cavity 3 is increased until the temperature reaches the phase change temperature of the memory spring 7, the memory spring 7 connected with the mounting frame 4 is subjected to phase change and is shortened so as to pull the driving shaft 5 fixedly connected with the mounting frame 4 to move towards the mounting frame 4 through the annular wing frame 51, the fan 6 in threaded connection with the driving shaft 5 rotates on the mounting frame 4, the fan 6 rotates to blow hot air in the built-in cavity 3 towards the heat dissipation window 9 on the shell 2 along the axial direction of the heat dissipation window, the rotating sheet 92 rotatably connected with the heat dissipation window 9 through the rotating shaft 91 is positioned below the median line of the rotating sheet 92 due to the rotating shaft 91, when the rotating sheet 92 is blown by wind power, the force on the upper side of the, the internal temperature is reduced, the monitoring body 1 is protected, and the phenomenon that the working state and the service life of the internal elements of the monitoring body 1 are influenced by the continuous increase of the temperature, so that the shooting quality is influenced is avoided;
in the working process, if the shooting quality of the monitoring body 1 is reduced, the monitoring body 1 enables the controller 10 to start working, the controller 10 leads higher current to the heating wire 8 connected on the memory spring 7, the heating wire 8 generates a large amount of heat in the conducting process and forms a magnetic field at the same time, the magnetic field formed by electrifying the heating wire 8 is opposite to the same magnetic pole of the small magnetic sheet 93 on the rotating sheet 92 to generate magnetic repulsion to the rotating sheet 92 on the heat dissipation window 9, so that the rotating sheet 92 on the heat dissipation window 9 still keeps the shielding effect on the heat dissipation window 9, at the moment, the memory spring 7 reaching the phase-change temperature drives the fan 6 to rotate, the fan 6 pushes hot air in the built-in cavity 3 to be flushed to the existing outlet in the built-in cavity 3, namely the air inlet port of the air channel 21, the hot air is blown out from the air outlet port through the air channel 21, the elastic force of the buffer, then blowing dust on the lens 11 for dedusting and heating and demisting the water mist on the lens 11 so as to recover the reduction of the shooting quality of the monitoring body 1 caused by the dust and the water mist;
when control body 1 operational environment temperature is lower, control body 1 makes controller 10 let in lower electric current to heating wire 8, the heat of the production of heating wire 8 this moment is less, memory spring 7 does not reach its phase transition temperature, fan 6 keeps static, heating wire 8 keeps magnetic repulsion to a plurality of rotor plates 92, improve the seal in built-in chamber 3, the hot-air in built-in chamber 3 and the wind channel 21 is owing to drive power not enough simultaneously, can't overcome buffer spring 23's between baffle 22 and the shell 2 elasticity, and because wind channel 21 coils in shell 2, and then play effective heat preservation effect to control body 1 in the shell 2, maintain the normal work of control body 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. A temperature self-control demisting monitoring camera comprises a monitoring body (1) and a shell (2), wherein the output end of the monitoring body (1) is connected with a lens (11) and is installed at the front end in the shell (2), and the temperature self-control demisting monitoring camera is characterized in that a built-in cavity (3) is arranged in one end, far away from the monitoring body (1), of the shell (2), a plurality of air channels (21) are arranged in the peripheral side of the shell (2), wherein air inlet ports of the air channels (21) are communicated with the peripheral side of one end, far away from the monitoring body (1), of the built-in cavity (3), air outlet ports point to the surface of the lens (11), a plurality of air inlet ports (31) are arranged in the peripheral side of one end, close to the monitoring body (1;
the monitoring device is characterized in that the mounting frame (4) is in heat conduction connection with the monitoring body (1), the middle of the mounting frame is in sliding connection with the driving shaft (5) and is in rotating connection with the fan (6), the middle of the fan (6) is coaxially and fixedly connected with the middle of the driving shaft (5), one end, far away from the monitoring body (1), of the driving shaft (5) is coaxially and fixedly connected with the annular wing frame (51), a memory spring (7) is fixedly connected between the annular wing frame (51) and the mounting frame (4), an electric heating wire (8) is fixedly connected onto the memory spring (7), the electric heating wire (8) is electrically connected with the controller (10), and the controller (10) is installed in the monitoring body (1) and is controlled by;
the built-in chamber (3) is kept away from and is seted up on control body (1) one end terminal surface heat dissipation window (9), heat dissipation window (9) internal rotation is connected with a plurality of axis of rotation (91), and equal fixedly connected with rotor plate (92) are gone up in a plurality of axis of rotation (91), and wherein adjacent rotor plate (92) top and bottom are pasted each other and are leaned on and shelter from heat dissipation window (9), and little magnetic sheet (93) have all been inlayed to a plurality of rotor plate (92) bottoms, and wherein a plurality of little magnetic sheets (93) are relative with the magnetic field like name magnetic pole that heating wire (8) circular telegram.
2. An automatic temperature control defogging monitoring camera as claimed in claim 1, wherein a plurality of said air inlet holes (31) are all installed with one-way valves (32), and a plurality of said one-way valves (32) are conducted from the outside to the built-in cavity (3) in one way.
3. A self-controlling temperature defogging monitoring camera device according to claim 1, wherein said mounting bracket (4) is cross-shaped and has thermal conductivity.
4. A self-controlling temperature defogging monitoring camera according to claim 1, wherein the side of said annular wing frame (51) remote from the drive shaft (5) rests upon a rotating blade (92) within the heat dissipating window (9).
5. A temperature-controlled defogging monitoring camera device according to claim 1, wherein a plurality of said rotating sheets (92) are made of homogeneous material and have a conical vertical section, wherein the rotating shaft (91) is located between the center of gravity of the cone and the median line, and the top of the rotating sheet (92) is attached to the outside of the bottom of the adjacent rotating sheet (92) on the upper side.
6. The camera according to claim 1, wherein a plurality of said air ducts (21) are wound in the housing (2), a plurality of baffles (22) are rotatably connected to one end of the housing (2) close to the lens (11), a plurality of said baffles (22) are fixedly connected with buffer springs (23) and close the air outlet ports of the air ducts (21) in a one-to-one correspondence manner, and one end of the buffer springs (23) far from the baffles (22) is fixedly connected to the housing (2).
CN202010637565.6A 2020-07-05 2020-07-05 Temperature self-control defogging monitoring camera Withdrawn CN111741270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010637565.6A CN111741270A (en) 2020-07-05 2020-07-05 Temperature self-control defogging monitoring camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010637565.6A CN111741270A (en) 2020-07-05 2020-07-05 Temperature self-control defogging monitoring camera

Publications (1)

Publication Number Publication Date
CN111741270A true CN111741270A (en) 2020-10-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010637565.6A Withdrawn CN111741270A (en) 2020-07-05 2020-07-05 Temperature self-control defogging monitoring camera

Country Status (1)

Country Link
CN (1) CN111741270A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112328052A (en) * 2020-10-20 2021-02-05 蒙秀花 CPU circulation heat radiation structure
CN112929554A (en) * 2021-04-17 2021-06-08 谢祥安 Autonomous demisting type vehicle-mounted camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112328052A (en) * 2020-10-20 2021-02-05 蒙秀花 CPU circulation heat radiation structure
CN112929554A (en) * 2021-04-17 2021-06-08 谢祥安 Autonomous demisting type vehicle-mounted camera

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TA01 Transfer of patent application right

Effective date of registration: 20201104

Address after: No.114, Gongren village, Yangluo street, Xinzhou District, Wuhan City, Hubei Province

Applicant after: Wuhan haomengyuan mechanical equipment manufacturing Co.,Ltd.

Address before: 430014 daijiashan technological innovation city, 888 Hwang Huang Road, Jiang'an District, Wuhan, Hubei

Applicant before: WUHAN WANJIE PHOTOELECTRIC Co.,Ltd.

TA01 Transfer of patent application right
WW01 Invention patent application withdrawn after publication

Application publication date: 20201002

WW01 Invention patent application withdrawn after publication