CN112384018A - Environment self-adaptive electrical equipment box and control method thereof - Google Patents
Environment self-adaptive electrical equipment box and control method thereof Download PDFInfo
- Publication number
- CN112384018A CN112384018A CN202011288181.4A CN202011288181A CN112384018A CN 112384018 A CN112384018 A CN 112384018A CN 202011288181 A CN202011288181 A CN 202011288181A CN 112384018 A CN112384018 A CN 112384018A
- Authority
- CN
- China
- Prior art keywords
- electrical equipment
- box
- air outlet
- air inlet
- temperature
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application relates to an environment self-adaptive electrical equipment box and a control method thereof, wherein the environment self-adaptive electrical equipment box comprises an air inlet and an air outlet which are arranged on a shell, the inner side of a box body of the electrical equipment box is also provided with a valve mechanism, a fan, a heating element, a temperature sensor and a monitoring terminal, the valve mechanism comprises a driving mechanism and a blocking piece which is arranged at the tail end of the driving mechanism, and the driving mechanism is used for driving the blocking piece to move so as to open or close the air inlet and the air; the box inboard of electrical equipment case is provided with the wind channel in air outlet department, and the fan setting is in the wind channel, and temperature sensor is connected to monitor terminal's one end for receive the temperature in the box of environment self-adaptation electrical equipment case of temperature sensor monitoring, monitor terminal's the other end electric connection valve mechanism's actuating mechanism, the switch of fan and heating element's switch respectively. The equipment box can automatically control the opening and closing of the ventilation holes and the starting and stopping of the fan and the heating system, so that the good and stable running environment inside the shell is maintained.
Description
Technical Field
The application belongs to the technical field of electrical equipment design, and particularly relates to an environment self-adaptive electrical equipment box and a control method thereof.
Background
In key fields such as communication, distribution, along with the development of science and technology and the continuous improvement that the reliability of power consumption required, various precision equipment more and more obtain wide application, these precision equipment generally extremely harsher to operational environment's such as waterproof, dustproof grade and temperature requirement, only stable, good operational environment can ensure precision equipment reliable operation, avoid causing serious political, economic impact or life, loss of property because of equipment trouble.
The existing equipment mainly adopts a mode of arranging a vent hole on a shell and installing a fan to realize ventilation and heat dissipation of the equipment, is mainly applied to the normal temperature or a hot environment, and needs to modify or design the shell independently to increase heat preservation and heating measures if the application environment is a winter or low-temperature environment. The ventilation and heat dissipation are realized by adopting the mode of arranging the ventilation holes and installing the fan, so that on one hand, the problems of water inflow, dust accumulation and the like in the box body are possibly caused, and equipment faults are easily caused; on the other hand, when the device is applied in a low-temperature environment, the arrangement of the vent holes cannot realize shell heat preservation, and the contradiction among water resistance, dust resistance, ventilation and heat dissipation and shell heat preservation is difficult to balance.
Disclosure of Invention
In order to solve at least one problem caused by the fact that a vent hole is formed in a shell of an electrical equipment box body in the prior art, the application provides an environment self-adaptive electrical equipment box and a control method thereof.
The application provides an environment self-adaptation electrical equipment box in a first aspect, and the environment self-adaptation electrical equipment box comprises an air inlet and an air outlet which are arranged on a shell, wherein a valve mechanism, a fan, a heating element, a temperature sensor and a monitoring terminal are further arranged on the inner side of the box body of the electrical equipment box, the valve mechanism comprises a driving mechanism and a blocking piece arranged at the tail end of the driving mechanism, and the driving mechanism is used for driving the blocking piece to move so as to open or close the air inlet and the air outlet; the box inboard of electrical equipment case is in air outlet department is provided with the wind channel, the fan sets up in the wind channel, monitor terminal's one end is connected temperature sensor is used for receiving temperature sensor monitoring the temperature in the box of environment self-adaptation electrical equipment case, monitor terminal's the other end electricity respectively links the actuating mechanism of valve mechanism, the switch of fan reaches heating element's switch.
Optionally, the air inlet and/or the air outlet are provided with louvers.
Optionally, the air outlet position is higher than the air inlet position.
Optionally, the heating element comprises a heating film, and the heating film is attached to the inner wall of the box body of the electrical equipment box.
Optionally, the driving mechanism of the shutter mechanism includes a motor, the motor has a telescopic rod, the end of the telescopic rod is connected to the blocking member, the two sides of the air inlet or the air outlet are both provided with slide rails, the blocking member is slidably disposed between the two slide rails and moves to an open position and a closed position along with the telescopic rod, the open position is that the air inlet or the air outlet is opened, and the closed position is that the air inlet or the air outlet is closed by the blocking member.
Optionally, a pressing protrusion is disposed on the blocking member, and when the pressing protrusion moves to the open position or the closed position along with the blocking member, a travel switch is pressed, and the travel switch is electrically connected to the motor and is used for stopping the motor.
Optionally, the barrier is a baffle.
A second aspect of the present application provides a method of controlling an environmentally adaptive electrical equipment rack according to any one of the above, the method comprising:
receiving the temperature in the environment self-adaptive electrical equipment box acquired by the temperature sensor through the monitoring terminal;
when the temperature in the box is higher than a first threshold value, controlling a valve mechanism to open or close an air inlet and an air outlet;
when the temperature in the box is greater than a second threshold value, controlling the fan to start;
when the temperature in the box is lower than a third threshold value, controlling a heating element to heat;
wherein the third threshold is less than the first threshold, which is less than the second threshold.
The application provides an environment self-adaptive electrical equipment box and a control method thereof, so that equipment can stably run in outdoor high-temperature and low-temperature environments, and waterproof and dustproof requirements are met.
Drawings
Fig. 1 is a schematic view of an air inlet and an air outlet of an environment-adaptive electrical equipment box according to the present application.
Fig. 2 is a schematic view of the internal structure of the environment adaptive electrical equipment box according to the present application.
Wherein, 1, an air inlet; 2. an air outlet; 3. a shutter mechanism; 4. a fan; 5. a heating element; 6. an air duct; 7. a drive mechanism.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.
The application provides an environment self-adaptation electrical equipment box in the first aspect, this environment self-adaptation electrical equipment box includes air intake 1 and air outlet 2 that sets up on the casing, wherein, air intake 1 and air outlet 2 all set up the side at the equipment box to under the general condition, the air outlet position is higher than the air intake position, as shown in fig. 1 (fig. 1 is the local structure sketch map), the lower position on the equipment box to opening the door sets up left door air intake and right door air intake respectively, and the higher position at the face of the left and right sides sets up the lateral wall air outlet.
In some alternative embodiments, the air inlet and/or the air outlet are provided with louvers, which, on the one hand, prevent large foreign objects from entering the equipment cabinet, and, on the other hand, prevent rain water and the like from entering the cabinet due to the slanted design of the louvers.
In the application, as shown in fig. 2, a valve mechanism 3, a fan 4, a heating element 5, a temperature sensor and a monitoring terminal are further arranged on the inner side of the box body of the electrical equipment box, wherein the valve mechanism 3 comprises a driving mechanism and a blocking piece arranged at the tail end of the driving mechanism, and the driving mechanism is used for driving the blocking piece to open or close the air inlet and the air outlet; the air outlet of the inner side of the box body of the electrical equipment box is provided with an air duct 6, the fan 4 is arranged in the air duct 6, one end of the monitoring terminal is connected with the temperature sensor and used for receiving the temperature in the equipment box monitored by the temperature sensor, and the other end of the monitoring terminal is respectively and electrically connected with a driving mechanism 7 of the valve mechanism, a switch of the fan and a switch of the heating element.
In some embodiments, the blocking member is a baffle.
In some alternative embodiments, the heating element 5 comprises a heating film, which is arranged on the inner wall of the box body of the electrical equipment box in a fitting manner.
In some optional embodiments, the driving mechanism of the shutter mechanism 3 includes a motor, the motor has a telescopic rod, the end of the telescopic rod is connected to the blocking member, two sides of the air inlet or the air outlet are provided with slide rails, the blocking member is slidably disposed between the two slide rails and moves with the telescopic rod of the motor to an open position where the air inlet or the air outlet is opened and a closed position where the air inlet or the air outlet is closed by the blocking member.
In some optional embodiments, the blocking member is provided with a pressing protrusion, and when the pressing protrusion moves to the opening position or the closing position along with the blocking member, the pressing protrusion presses a travel switch, and the travel switch is electrically connected with the motor and used for stopping the motor.
In the application, the valve mechanism 3, the driving mechanism of the valve mechanism and a system for controlling the driving mechanism to operate jointly form an electric ventilation system, the electric ventilation system is arranged on the inner side of the air inlet and the air outlet, and the fan is arranged at the end part of the air duct. When a motor in the transmission device receives a signal and starts to start, the valve can be driven to move upwards (downwards) along the guide rod through positive rotation (reverse rotation), the valve is opened (closed), the valve reaches the top end (bottom) and touches and presses the travel switch to stop the motor, and the air inlet and the air outlet are opened (closed).
The application second aspect provides a control method of environment self-adaptation electrical equipment case, control above-mentioned environment self-adaptation electrical equipment case, according to the inside operational environment monitoring condition of casing, the opening and closing of automatic control ventilation hole, the start-up and the stop of fan and heating system's start-up and stop, thereby it is good, stable to maintain the inside operational environment of casing, thereby guarantee precision equipment no matter under summer or high temperature environment, still under winter or low temperature environment, the equal equipment that can ensure runs all the time in the best environment, the operational reliability and the life of lifting means.
The control method of the environment self-adaptive electrical equipment box mainly comprises the following steps:
receiving the temperature in the box obtained by the temperature sensor through the monitoring terminal;
when the temperature in the box is higher than a first threshold value, the valve mechanism 3 is controlled to open or close the air inlet and the air outlet;
when the temperature in the box is greater than a second threshold value, controlling the fan to start;
when the temperature in the box is lower than a third threshold value, controlling a heating element to heat;
wherein the third threshold is less than the first threshold, which is less than the second threshold.
Specifically, under the normal operation condition, the metal valve is closed to block the air inlet and outlet holes, and the shell is completely closed; when the monitoring terminal collects the temperature in the shell in real time through the temperature sensor, and the monitored temperature is higher than a first threshold value, the monitoring terminal sends a control signal to control the corresponding motor to rotate forwards, as shown in fig. 2, the valve is driven to move downwards along the guide rod, the valve starts to be opened, the air inlet and outlet holes are exposed, and when the valve is opened, the corresponding travel switch is pressed to stop the motor.
When the temperature continues to rise and is greater than a second threshold value, the fan is controlled to be started, and the ventilation efficiency is accelerated;
otherwise, when the temperature is reduced to be lower than or equal to the second threshold value of the temperature, the fan is controlled to stop; when the temperature continues to drop to be lower than or equal to the first threshold value, a control signal is sent out to control the corresponding motor to rotate reversely, the valve is driven to move upwards along the guide rod and starts to be closed to block the air inlet and outlet hole, and when the valve is completely closed, the corresponding travel switch is touched and pressed to stop the motor.
When the temperature continues to drop below a third threshold value, controlling the heating system to start; and otherwise, when the temperature rises to the third threshold value, controlling the heating system to stop.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. An environment self-adaptive electrical equipment box comprises an air inlet and an air outlet which are arranged on a shell, and is characterized in that a valve mechanism, a fan, a heating element, a temperature sensor and a monitoring terminal are further arranged on the inner side of the box body of the electrical equipment box, wherein the valve mechanism comprises a driving mechanism and a blocking piece arranged at the tail end of the driving mechanism, and the driving mechanism is used for driving the blocking piece to move so as to open or close the air inlet and the air outlet; the box inboard of electrical equipment case is in air outlet department is provided with the wind channel, the fan sets up in the wind channel, monitor terminal's one end is connected temperature sensor is used for receiving the temperature in the box of above-mentioned environment self-adaptation electrical equipment case of temperature sensor monitoring, monitor terminal's the other end electricity respectively links the actuating mechanism of valve mechanism, the switch of fan reaches heating element's switch.
2. The environmentally adaptive electrical equipment cabinet of claim 1, wherein the air inlet and/or the air outlet are provided with louvers.
3. The environmentally adaptive electrical equipment cabinet of claim 1, wherein the air outlet is located higher than the air inlet.
4. The environmentally adaptive electrical equipment cabinet of claim 1, wherein the heating element comprises a heating film, and the heating film is attached to an inner wall of a cabinet body of the electrical equipment cabinet.
5. The environmentally adaptive electrical equipment cabinet of claim 1, wherein the driving mechanism comprises a motor, the motor has a telescopic rod, the end of the telescopic rod is connected to the blocking member, the air inlet or the air outlet is provided with slide rails on both sides, the blocking member is slidably disposed between the two slide rails and moves with the telescopic rod to an open position in which the air inlet or the air outlet is opened and a closed position in which the air inlet or the air outlet is closed by the blocking member.
6. The environmentally adaptive electrical equipment cabinet of claim 5, wherein the blocking member is provided with a pressing projection, and the pressing projection presses a travel switch when moving to the open position or the closed position along with the blocking member, and the travel switch is electrically connected to the motor for stopping the motor.
7. The environmentally adaptive electrical equipment cabinet of any one of claims 1-6, wherein the barrier is a baffle.
8. A method of controlling an environmentally adaptive electrical equipment cabinet according to any one of claims 1 to 7, characterized in that the method comprises:
receiving the temperature in the environment self-adaptive electrical equipment box acquired by the temperature sensor through the monitoring terminal;
when the temperature in the box is higher than a first threshold value, controlling a valve mechanism to open or close an air inlet and an air outlet;
when the temperature in the box is greater than a second threshold value, controlling the fan to start;
when the temperature in the box is lower than a third threshold value, controlling a heating element to heat;
wherein the third threshold is less than the first threshold, which is less than the second threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288181.4A CN112384018A (en) | 2020-11-17 | 2020-11-17 | Environment self-adaptive electrical equipment box and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288181.4A CN112384018A (en) | 2020-11-17 | 2020-11-17 | Environment self-adaptive electrical equipment box and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112384018A true CN112384018A (en) | 2021-02-19 |
Family
ID=74584063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011288181.4A Pending CN112384018A (en) | 2020-11-17 | 2020-11-17 | Environment self-adaptive electrical equipment box and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112384018A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113543591A (en) * | 2021-07-06 | 2021-10-22 | 深圳市智创纪元科技有限公司 | Wireless data transmission terminal adaptive to environmental temperature change |
| CN113835371A (en) * | 2021-08-23 | 2021-12-24 | 南京汇加家居科技有限公司 | Intelligent control switch capable of setting voltage |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201837909U (en) * | 2010-08-31 | 2011-05-18 | 重庆市海普软件产业有限公司 | Intelligent temperature control protective box for outdoor monitoring equipment |
| US20120120600A1 (en) * | 2008-02-22 | 2012-05-17 | Huawei Technologies Co., Ltd. | Horizontal subrack and communication cabinet |
| CN204116389U (en) * | 2014-09-23 | 2015-01-21 | 武汉三江中电科技有限责任公司 | A kind of for the electrical equipment module case under ultra-low temperature surroundings |
| CN205050900U (en) * | 2015-10-10 | 2016-02-24 | 中航锂电（洛阳）有限公司 | But temperature regulation's battery box |
| CN106159742A (en) * | 2016-06-27 | 2016-11-23 | 周佳斌 | A kind of constant temperature and humidity power distribution cabinet |
| CN106714519A (en) * | 2017-01-12 | 2017-05-24 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Onboard LRU liquid cooling source |
| CN109237694A (en) * | 2018-08-16 | 2019-01-18 | 珠海格力电器股份有限公司 | Total heat exchange fresh air device and installation structure and control method thereof |
| CN209217474U (en) * | 2018-12-26 | 2019-08-06 | 吉林省福瑞达水电设备工程有限公司 | It is a kind of applied to preassembled transformer station into air exhausting device |
| CN110131799A (en) * | 2019-05-20 | 2019-08-16 | 广东美的暖通设备有限公司 | Outdoor unit, control method and computer readable storage medium |
| CN210443908U (en) * | 2019-11-12 | 2020-05-01 | 深圳中鲲智能科技有限公司 | Intelligent power distribution cabinet based on internet of things |
| CN111208856A (en) * | 2020-03-10 | 2020-05-29 | 上海成峰流体设备有限公司 | Moisture-proof and anti-condensation electrical control device |
-
2020
- 2020-11-17 CN CN202011288181.4A patent/CN112384018A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120120600A1 (en) * | 2008-02-22 | 2012-05-17 | Huawei Technologies Co., Ltd. | Horizontal subrack and communication cabinet |
| CN201837909U (en) * | 2010-08-31 | 2011-05-18 | 重庆市海普软件产业有限公司 | Intelligent temperature control protective box for outdoor monitoring equipment |
| CN204116389U (en) * | 2014-09-23 | 2015-01-21 | 武汉三江中电科技有限责任公司 | A kind of for the electrical equipment module case under ultra-low temperature surroundings |
| CN205050900U (en) * | 2015-10-10 | 2016-02-24 | 中航锂电（洛阳）有限公司 | But temperature regulation's battery box |
| CN106159742A (en) * | 2016-06-27 | 2016-11-23 | 周佳斌 | A kind of constant temperature and humidity power distribution cabinet |
| CN106714519A (en) * | 2017-01-12 | 2017-05-24 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Onboard LRU liquid cooling source |
| CN109237694A (en) * | 2018-08-16 | 2019-01-18 | 珠海格力电器股份有限公司 | Total heat exchange fresh air device and installation structure and control method thereof |
| CN209217474U (en) * | 2018-12-26 | 2019-08-06 | 吉林省福瑞达水电设备工程有限公司 | It is a kind of applied to preassembled transformer station into air exhausting device |
| CN110131799A (en) * | 2019-05-20 | 2019-08-16 | 广东美的暖通设备有限公司 | Outdoor unit, control method and computer readable storage medium |
| CN210443908U (en) * | 2019-11-12 | 2020-05-01 | 深圳中鲲智能科技有限公司 | Intelligent power distribution cabinet based on internet of things |
| CN111208856A (en) * | 2020-03-10 | 2020-05-29 | 上海成峰流体设备有限公司 | Moisture-proof and anti-condensation electrical control device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113543591A (en) * | 2021-07-06 | 2021-10-22 | 深圳市智创纪元科技有限公司 | Wireless data transmission terminal adaptive to environmental temperature change |
| CN113543591B (en) * | 2021-07-06 | 2023-08-04 | 深圳市智创纪元科技有限公司 | Wireless data transmission terminal capable of adapting to environmental temperature change |
| CN113835371A (en) * | 2021-08-23 | 2021-12-24 | 南京汇加家居科技有限公司 | Intelligent control switch capable of setting voltage |
| CN113835371B (en) * | 2021-08-23 | 2024-05-10 | 南京汇加家居科技有限公司 | Intelligent control switch capable of setting voltage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112384018A (en) | Environment self-adaptive electrical equipment box and control method thereof | |
| CN206805318U (en) | Temperature control system in frequency conversion tank | |
| CN105977835B (en) | A kind of substation's prefabricated cabin and its ventilating system | |
| CN201868810U (en) | Radiating type distribution box | |
| CN204836921U (en) | Outdoor rack with intelligence shutter exhaust apparatus | |
| CN214901810U (en) | Based on computer network equipment is with protection against electric shock subassembly | |
| CN112636218B (en) | Self-circulation type power box suitable for low-temperature environment and control method thereof | |
| CN215071222U (en) | Ventilated power distribution cabinet | |
| CN210289558U (en) | Electric shutter | |
| CN214589754U (en) | Electrical cabinet | |
| CN112863837A (en) | Box-type transformer environment self-adaption system and method | |
| CN206948803U (en) | A kind of supervisory control of substation rack that can reduce supervisory control of substation machine fault rate | |
| CN220492523U (en) | Block terminal that radiating effect is good | |
| CN221263089U (en) | Heat dissipation dust type switch board | |
| CN214124926U (en) | Outdoor UPS case | |
| CN219406188U (en) | Dustproof heat abstractor that fills electric pile and use | |
| CN219041201U (en) | Waterproof heat dissipation type outdoor distribution box | |
| CN211508334U (en) | Intelligent high-breaking low-voltage switch cabinet | |
| CN213638744U (en) | Indoor cabinet with self-sealing function | |
| CN210298376U (en) | Building structure capable of automatically reducing temperature of elevator machine room | |
| CN217769241U (en) | Power distribution device capable of automatically cooling | |
| CN210898175U (en) | Distribution room provided with temperature control type ventilation shutter | |
| CN217159185U (en) | Low tension cable feeder pillar of adjustable thermovent size | |
| CN219741096U (en) | Air conditioner partition temperature control device of communication base station | |
| CN211428673U (en) | Double-layer outdoor stainless steel distribution box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210219 |
|
| RJ01 | Rejection of invention patent application after publication |