CN111736411B - Rain-proof surveillance camera ware of automatically controlled formula - Google Patents
Rain-proof surveillance camera ware of automatically controlled formula Download PDFInfo
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- CN111736411B CN111736411B CN202010637562.2A CN202010637562A CN111736411B CN 111736411 B CN111736411 B CN 111736411B CN 202010637562 A CN202010637562 A CN 202010637562A CN 111736411 B CN111736411 B CN 111736411B
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- protective cover
- heat
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- monitoring
- heat dissipation
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/08—Waterproof bodies or housings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aviation & Aerospace Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses an electric control type rainproof monitoring camera, which relates to the technical field of monitoring devices and comprises a monitoring body and a protective cover, wherein the monitoring body is arranged at the bottom of the protective cover, the outer side of one end, away from the monitoring body, of the protective cover is arranged on a monitoring rod, a heat conducting plate is fixedly connected in the protective cover, one side of the heat conducting plate is connected to the monitoring body in a heat conducting manner, one side, away from the monitoring body, of the heat conducting plate is fixedly connected with a plurality of conductive springs and a power generating sheet, the output end of the power generating sheet is electrically connected with a controller, the controller is arranged in the protective cover and is electrically connected with the conductive springs, in the invention, in a fine day, the monitoring body gradually generates heat in the continuous working process, so that the temperature in the protective cover rises, the controller is matched with a temperature difference power generating sheet to output pulse current to the conductive springs, and the conductive springs are pulled to move back and forth in the protective cover in a clearance manner, thereby fast with the discharge of hot gas in the safety cover, directly dispel the heat.
Description
Technical Field
The invention relates to the technical field of monitoring devices, in particular to an electric control type rainproof monitoring camera.
Background
In city monitoring management, a monitoring network is generally formed by monitoring cameras on roads, so that corresponding monitoring data are acquired, and city safety management is assisted. Because monitoring device directly exposes to the external environment in, simultaneously in long-term working process, monitoring device is inside can produce more heat gradually, in order to keep monitoring device's normal work, need dispel the heat to monitoring device, but traditional heat abstractor lasts in the radiating process and communicates with the external world, receives the invasion and attack of aqueous vapor and dust in the environment easily for the ageing speed of internals, influences its life, and then influences the working effect that the control was made a video recording.
Disclosure of Invention
The invention provides an electric control type rainproof monitoring camera, and aims to solve the problems that in the prior art, a monitoring device is continuously communicated with the outside in the heat dissipation process, is easily attacked by water vapor and dust in the environment, accelerates the aging speed of internal parts and influences the service life of the internal parts.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric control type rainproof monitoring camera comprises a monitoring body and a protective cover, wherein the monitoring body is arranged at the bottom of the protective cover, the outer side of one end of the protective cover, which is far away from the monitoring body, is arranged on the monitoring rod, a heat conducting plate is fixedly connected in the protective cover, one side of the heat conducting plate is connected on the monitoring body in a heat conducting way, one side of the heat conducting plate, which is far away from the monitoring body, is fixedly connected with a plurality of conductive springs and power generating sheets, the output end of the power generating sheet is electrically connected with a controller, the controller is arranged in the protective cover and is electrically connected with a plurality of conductive springs, one end of each conductive spring, which is far away from the heat conducting plate, is fixedly connected with a same sliding plate, one side of each power generating sheet, which is far away from the heat conducting plate, is embedded into the protective cover and is close to the outer side of the protective cover, a plurality of air inlet channels and air outlet channels are formed in the periphery of the protective cover, are positioned between the heat conducting plate and the sliding plate and are internally provided with one-way valves;
the middle parts of the air inlet channels and the air outlet channels are communicated with heat dissipation channels, and the heat dissipation channels are arranged in the protective cover, and one ends of the heat dissipation channels, which are far away from the air inlet channels and the air outlet channels, extend towards the monitoring body and penetrate through the protective cover;
it adjusts the chamber to have seted up a plurality of regulation chambeies in the safety cover, it is a plurality of adjust the equal fixedly connected with adjusting spring of intracavity, adjusting spring keeps away from and adjusts chamber one end fixedly connected with adjusting valve block, and is a plurality of adjusting valve block middle part is all rotated and is connected on adjusting the chamber and one end runs through and adjusts the chamber and support and lean on the junction of heat dissipation way and intake duct and gas outlet channel, the wet quick resistance of safety cover periphery side fixedly connected with, wet quick resistance and electric connection adjusting spring electric connection and equal electric connection are on the controller.
Preferably, the conduction direction of the check valve in the air inlet channel is from the outside to the inside of the protective cover, and the conduction direction of the check valve in the air outlet channel is from the inside to the outside of the protective cover.
Preferably, with a plurality of heat dissipation say interior equal fixedly connected with spiral wall of a plurality of gas outlet channel intercommunications, be located control body input one side with the heat dissipation way of a plurality of inlet channels intercommunication.
Preferably, the power generation sheet adopts an existing thermoelectric power generation sheet, and the controller outputs pulse current to the conductive spring.
Preferably, the adjusting valve plate is initially positioned in the heat dissipation channel and shields the heat dissipation channel, and the rotation limit is positioned in the air inlet channel or the air outlet channel and shields the air inlet channel or the air outlet channel.
Compared with the prior art, the invention has the following beneficial effects:
1. in sunny days, the monitoring body gradually generates heat in the continuous working process to enable the temperature in the protective cover to rise, two sides of the thermoelectric generation piece are respectively contacted with the heat conduction plate in the protective cover and the external environment to form temperature difference, the thermoelectric generation piece outputs current signals to the controller according to the thermoelectric generation principle, the controller outputs pulse current to the plurality of conductive springs at the pulse frequency in proportion to the intensity of the current signals, when the pulse current works, the conductive springs are conductively contracted, the conductive springs are de-energized and extend and recover under the action of self elasticity at the pulse interval, the sliding plate is further pulled to move back and forth in the protective cover, so that the space between the sliding plate and the heat conduction plate, namely the heat dissipation chamber is continuously contracted and expanded, when the heat dissipation chamber is contracted, the internal hot air is discharged through the air outlet channel, when the heat dissipation chamber is expanded, the external air enters through the air inlet channel, and the hot air in the protective cover is rapidly discharged, and directly dissipating heat.
2. When the temperature in the protective cover rises quickly, the temperature difference between the two sides of the temperature difference power generation sheet is large, so that the pulse frequency of the pulse current output by the controller to the conductive spring is increased, the reciprocating frequency of the conductive spring pulling the sliding plate is further improved, the ventilation rate in the heat dissipation chamber is finally increased, the heat dissipation effect is improved, the quick temperature rise in the protective cover is inhibited, and the normal work of the monitoring body is kept.
3. In rainy days, rainwater infiltrates the humidity-sensitive resistor on the protective cover, the resistance value of the humidity-sensitive resistor is reduced, under the action of the controller, the conducting current of an adjusting spring electrically connected with the humidity-sensitive resistor is increased, the adjusting spring is conducted and contracted, the adjusting valve plate is pulled to rotate, and the adjusting valve plate is turned to a shielding air inlet channel or an air outlet channel from a shielding heat dissipation channel, so that the air inlet channel and the air outlet channel of the adjusting valve plate are changed when hot air in a heat dissipation chamber circulates, air containing moisture and dust outside enters the heat dissipation channel communicated with the air inlet channel, and the moisture and the dust are blocked by a spiral wall in the heat dissipation channel, so that the moisture and the dust are prevented from directly entering the protective cover, and parts in the protective cover are prevented from being corroded; simultaneously, rainwater and dust falling from the spiral wall are positioned on the back of the input end of the monitoring body, so that the data acquisition is prevented from being influenced.
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 portion B of FIG. 1;
FIG. 4 is a schematic diagram of the invention in a rainy day;
fig. 5 is an enlarged view of part C of fig. 4.
In the figure: the device comprises a monitoring body 1, a protective cover 2, an air inlet channel 21, an air outlet channel 22, a heat dissipation channel 23, a spiral wall 231, a heat conduction plate 3, a conductive spring 4, a power generation sheet 5, a sliding plate 6, an adjusting cavity 7, an adjusting spring 8, an adjusting valve sheet 9, a humidity sensitive resistor 10 and a controller 11.
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. 1-5, an automatically controlled formula rain-proof surveillance camera ware, including control body 1 and safety cover 2, control body 1 is installed in safety cover 2 bottoms, and safety cover 2 is kept away from the outside of control body 1 one end and is installed on the monitoring rod, and safety cover 2 is cylindrical, and control body 1 stretches out safety cover 2 bottoms and is the hemisphere, and inside shooting device input point to one side.
Fixedly connected with heat-conducting plate 3 in the safety cover 2, heat-conducting plate 3 one side heat conduction is connected on monitoring body 1, transmits the heat that monitoring body 1 produced.
The heat-conducting plate 3 is kept away from a plurality of conductive springs 4 and the electricity generation piece 5 of monitoring body 1 one side fixedly connected with, the 5 output electric connection of electricity generation piece has controller 11, controller 11 installs in safety cover 2 and with a plurality of conductive springs 4 electric connection, the same sliding plate 6 of 3 one end fixedly connected with of heat-conducting plate is kept away from to a plurality of conductive springs 4, a plurality of electricity generation pieces 5 keep away from in 3 one side embedding safety cover 2 of heat-conducting plate and are close to the 2 outsides of safety cover.
The power generation sheet 5 adopts the existing temperature difference power generation sheet, the two sides of the power generation sheet are respectively contacted with the heat conduction plate 3 and the outside to form temperature difference for power generation, the power generation sheet 5 inputs current signals to the controller 11, and the controller 11 outputs pulse current to the plurality of conductive springs 4 in proportion to the pulse frequency of the current signal intensity.
When the conductive spring 4 is conductive, each coil of the spring is equivalent to one coil, the coils are electrified to generate an induced magnetic field, the induced magnetic fields formed by the coils attract each other, so that the conductive spring 4 contracts, the sliding plate 6 is further pulled to move towards the heat conducting plate 3, the heat dissipation chamber between the conductive spring 4 and the heat conducting plate 3 contracts, and when the conductive spring 4 is de-electrified, the sliding plate 6 is stretched and recovered under the action of self elasticity to push the sliding plate 6 to be away from the heat conducting plate 3, so that the heat dissipation chamber expands.
A plurality of intake ducts 21 and air outlet 22 have been seted up to 2 week sides of safety cover, intake duct 21 and air outlet 22 all are located between heat-conducting plate 3 and the sliding plate 6 and inside all installs the check valve, in the check valve direction of conducting in the intake duct 21 by external directional safety cover 2, the check valve direction of conducting in the air outlet 22 by directional external in the safety cover 2, when the heat dissipation room shrink inflation, outside air gets into in the heat dissipation room from intake duct 21 to discharge from air outlet 22.
All the intercommunication has heat dissipation channel 23 in a plurality of intake ducts 21 and air outlet 22 middle part, a plurality of heat dissipation channels 23 are seted up in safety cover 2 and are kept away from intake duct 21 and air outlet 22 one end and extend and run through safety cover 2 to monitoring body 1, with equal fixedly connected with spiral wall 231 in a plurality of heat dissipation channels 23 of a plurality of air outlet 22 intercommunication, heat dissipation channel 23 with a plurality of intake ducts 21 intercommunication is located monitoring body 1 input one side, the outside air that contains aqueous vapor and dust is easily blockked by spiral wall 231, and fall down from monitoring body 1 input back, avoid influencing its data acquisition.
A plurality of regulation chambeies 7 have been seted up in the safety cover 2, equal fixedly connected with regulating spring 8 in a plurality of regulation chambeies 7, regulating spring 8 keeps away from and adjusts 7 one end fixedly connected with regulating valve piece 9 in chamber, a plurality of regulating valve piece 9 middle parts are all rotated and are connected on adjusting chamber 7 and one end runs through and adjust chamber 7 and support and lean on the junction of heat dissipation way 23 with intake duct 21 and gas outlet channel 22, regulating valve piece 9 is originally located heat dissipation way 23 and shelters from it, rotation limit department is located intake duct 21 or gas outlet channel 22 and shelters from it, regulating valve piece 9 both sides are arc chamfer shape and arc pipe wall form respectively, wherein arc chamfer shape and intake duct 21 or gas outlet channel 22 middle part cooperation, arc pipe wall form and heat dissipation way 23 cooperation, form the lane of trading of admitting air and giving vent to anger after it rotates.
The outer periphery of the protective cover 2 is fixedly connected with a humidity-sensitive resistor 10, the humidity-sensitive resistor 10 is electrically connected with the adjusting spring 8 and electrically connected to the controller 11, when the humidity-sensitive resistor 10 is soaked by rainwater, the resistance value is reduced, the conducting current of the adjusting spring 8 is increased, the adjusting spring 8 conducts electricity and contracts, and the adjusting valve plate 9 is pulled to rotate.
The principles of the present invention are now described as follows:
in a sunny day, the monitoring body 1 continuously works to gradually generate heat, the temperature in the protective cover 2 gradually rises, the temperature of the heat conducting plate 3 also gradually rises, two sides of the thermoelectric generation piece 5 respectively contact with the heat conducting plate 3 in the protective cover 2 and the external environment so as to form a temperature difference, the thermoelectric generation piece 5 generates a current signal according to the thermoelectric generation principle, the controller 11 outputs pulse current to the plurality of conductive springs 4 at a pulse frequency in proportion to the intensity of the current signal, when the pulse current works, the conductive springs 4 fixedly connected with the heat conducting plate 3 conduct electricity and contract, the conductive springs 4 pull the sliding plate 6 fixedly connected with the conductive springs to move in the protective cover 2, so that a heat dissipation chamber between the sliding plate 6 and the heat conducting plate 3 contracts, and hot air in the heat dissipation chamber is discharged outwards through a one-way valve of the air outlet passage 22; when the pulse gap exists, the conductive spring 4 is de-energized and extends and recovers under the action of the elasticity of the conductive spring, and finally the heat dissipation chamber expands, and outside air enters through the one-way valve in the air inlet channel 21, so that hot air in the protective cover 2 is quickly discharged, and direct heat dissipation is performed;
when the temperature rise speed is fast in the protection cover 2, the temperature difference between the two sides of the thermoelectric generation piece 5 is large, so that the current is generated greatly, the pulse frequency of the pulse current output by the controller 11 to the conductive spring 4 is increased, the reciprocating frequency of the conductive spring 4 for pulling the sliding plate 6 is increased, the ventilation rate in the heat dissipation chamber is increased finally, the heat dissipation effect is improved to inhibit the rapid temperature rise in the protection cover 2, and the normal work of the monitoring body 1 is kept.
In rainy days, rainwater infiltrates the humidity-sensitive resistor 10 on the protective cover 2, the resistance value of the humidity-sensitive resistor 10 is reduced, under the action of the controller 11, the conducting current of the adjusting spring 8 electrically connected with the humidity-sensitive resistor 10 is increased, the adjusting spring 8 is conducted and contracted, the adjusting valve plate 9 fixedly connected with the adjusting spring is pulled, the adjusting valve plate 9 is turned to shield the air inlet channel 21 or the air outlet channel 22 through the shielding heat dissipation channel 23, so that the air inlet and air outlet channels of the heat dissipation chamber are changed when hot air in the heat dissipation chamber circulates, external air containing moisture and dust enters the heat dissipation channel 23 communicated with the air inlet channel 21, the moisture and the dust are blocked by the spiral wall 231 in the heat dissipation chamber, the moisture and the dust are prevented from directly entering the protective cover 2, and parts in the heat dissipation chamber are prevented from being corroded; simultaneously, rainwater and dust falling from the spiral wall 231 are positioned on the back of the input end of the monitoring body 1, so that the data acquisition is prevented from being influenced.
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 (3)
1. An electric control type rainproof monitoring camera comprises a monitoring body (1) and a protective cover (2), wherein the monitoring body (1) is arranged at the bottom of the protective cover (2), the protective cover (2) is arranged on a monitoring rod at the outer side of one end, away from the monitoring body (1), of the protective cover (2), and is characterized in that a heat-conducting plate (3) is fixedly connected in the protective cover (2), one side of the heat-conducting plate (3) is in heat conduction connection with the monitoring body (1), one side, away from the monitoring body (1), of the heat-conducting plate (3) is fixedly connected with a plurality of conductive springs (4) and a power generation sheet (5), the output end of the power generation sheet (5) is electrically connected with a controller (11), the controller (11) is arranged in the protective cover (2) and is electrically connected with the plurality of conductive springs (4), one end, away from the plurality of conductive springs (4), of the heat-conducting plate (3) is fixedly connected with the same sliding plate (6), one side, away from the heat-conducting plate (3), of each power generation piece (5) is embedded into the protective cover (2) and is close to the outer side of the protective cover (2), a plurality of air inlet channels (21) and air outlet channels (22) are formed in the periphery of the protective cover (2), the air inlet channels (21) and the air outlet channels (22) are located between the heat-conducting plate (3) and the sliding plate (6), and one-way valves are installed inside the air inlet channels (21) and the air outlet channels;
the middle parts of the air inlet channels (21) and the air outlet channels (22) are communicated with heat dissipation channels (23), and the heat dissipation channels (23) are arranged in the protective cover (2), and one ends of the heat dissipation channels (23) far away from the air inlet channels (21) and the air outlet channels (22) extend towards the monitoring body (1) and penetrate through the protective cover (2);
a plurality of adjusting cavities (7) are formed in the protective cover (2), adjusting springs (8) are fixedly connected in the adjusting cavities (7), one ends, far away from the adjusting cavities (7), of the adjusting springs (8) are fixedly connected with adjusting valve plates (9), the middle parts of the adjusting valve plates (9) are rotatably connected to the adjusting cavities (7), one ends of the adjusting valve plates penetrate through the adjusting cavities (7) and abut against the connecting parts of the heat dissipation channel (23) and the air inlet channel (21) and the air outlet channel (22), humidity sensitive resistors (10) are fixedly connected to the outer peripheral side of the protective cover (2), and the humidity sensitive resistors (10) are electrically connected with the adjusting springs (8) and electrically connected to the controller (11);
the conduction direction of the check valve in the air inlet channel (21) points to the inside of the protective cover (2) from the outside, and the conduction direction of the check valve in the air outlet channel (22) points to the outside from the inside of the protective cover (2);
the spiral wall (231) is fixedly connected with the inner parts of the plurality of heat dissipation channels (23) communicated with the plurality of air outlet channels (22), and the heat dissipation channels (23) communicated with the plurality of air inlet channels (21) are located on one side of the input end of the monitoring body (1).
2. An electrically controlled rainproof monitoring camera according to claim 1, wherein the power generating sheet (5) is an existing thermoelectric power generating sheet, and the controller (11) outputs pulse current to the conductive spring (4).
3. An electrically controlled rainproof monitoring camera according to claim 1, wherein the adjusting valve plate (9) is initially located in the heat dissipation channel (23) and shields the same, and the rotation limit is located in the air inlet channel (21) or the air outlet channel (22) and shields the same.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010637562.2A CN111736411B (en) | 2020-07-05 | 2020-07-05 | Rain-proof surveillance camera ware of automatically controlled formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010637562.2A CN111736411B (en) | 2020-07-05 | 2020-07-05 | Rain-proof surveillance camera ware of automatically controlled formula |
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| Publication Number | Publication Date |
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| CN111736411A CN111736411A (en) | 2020-10-02 |
| CN111736411B true CN111736411B (en) | 2021-09-03 |
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| CN202010637562.2A Active CN111736411B (en) | 2020-07-05 | 2020-07-05 | Rain-proof surveillance camera ware of automatically controlled formula |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112575713A (en) * | 2020-12-15 | 2021-03-30 | 陈柯柯 | Vibration self-recovery isolation fence for road construction |
| CN112761350B (en) * | 2020-12-31 | 2022-08-26 | 宁波甜宝生物信息技术有限公司 | Waterproof strenghthened type steel building templates |
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| US5035091A (en) * | 1988-12-30 | 1991-07-30 | Kabushiki Kaisha Daimon | Automatically operated opening and closing roof |
| CN202100109U (en) * | 2011-05-23 | 2012-01-04 | 华北电力大学（保定） | Automatic controller for rain prevention of window |
| CN105405583A (en) * | 2015-11-28 | 2016-03-16 | 扬州国瑞新能源科技有限公司 | Rainproof type transformer |
| CN205232611U (en) * | 2015-12-16 | 2016-05-11 | 西北民族大学 | Automated control cabinet |
| CN106470304A (en) * | 2016-10-18 | 2017-03-01 | 成都益睿信科技有限公司 | A kind of for the video camera in monitoring system |
| CN110602373A (en) * | 2019-10-16 | 2019-12-20 | 沈良国 | Monitoring camera heat radiation structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209029751U (en) * | 2018-07-30 | 2019-06-25 | 宜宾志源高压电器有限公司 | A kind of fixed interval (FI) over-voltage protector with remote failure warning device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035091A (en) * | 1988-12-30 | 1991-07-30 | Kabushiki Kaisha Daimon | Automatically operated opening and closing roof |
| CN202100109U (en) * | 2011-05-23 | 2012-01-04 | 华北电力大学（保定） | Automatic controller for rain prevention of window |
| CN105405583A (en) * | 2015-11-28 | 2016-03-16 | 扬州国瑞新能源科技有限公司 | Rainproof type transformer |
| CN205232611U (en) * | 2015-12-16 | 2016-05-11 | 西北民族大学 | Automated control cabinet |
| CN106470304A (en) * | 2016-10-18 | 2017-03-01 | 成都益睿信科技有限公司 | A kind of for the video camera in monitoring system |
| CN110602373A (en) * | 2019-10-16 | 2019-12-20 | 沈良国 | Monitoring camera heat radiation structure |
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Effective date of registration: 20210812 Address after: 318025 Yuanqiao Town Prosperous Village, Huangyan District, Taizhou City, Zhejiang Province Applicant after: ZHEJIANG YOUXIU HOUSEHOLD PRODUCTS Co.,Ltd. Address before: 430000 Building 2, Zhuoer advantage enterprise headquarters base phase II, Liudian village, panlongcheng Economic Development Zone, Huangpi District, Wuhan City, Hubei Province Applicant before: WUHAN ZHONGMA TECHNOLOGY Co.,Ltd. |
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