CN112492815A - Electric control box - Google Patents
Electric control box Download PDFInfo
- Publication number
- CN112492815A CN112492815A CN202011468694.3A CN202011468694A CN112492815A CN 112492815 A CN112492815 A CN 112492815A CN 202011468694 A CN202011468694 A CN 202011468694A CN 112492815 A CN112492815 A CN 112492815A
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- China
- Prior art keywords
- cover plate
- box body
- electric cabinet
- cover
- driving
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- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses an electric cabinet, which comprises a cabinet body, a cover plate, a driving assembly and a control plate, wherein the cabinet body is provided with a mounting cavity for mounting an electronic device and a window which is communicated with the mounting cavity and is exposed to the electronic device; the cover plate is arranged on the box body in a manner of sliding switching between a sealing position and an opening position; at the position of the sealing cover, the cover plate seals the window; in the open position, the cover plate opens the window; the driving assembly is arranged in the box body and is in driving connection with the cover plate; the control panel is arranged on the box body or the cover plate and is connected with the driving assembly; the control board is used for controlling the driving assembly to drive the cover plate to be switched between the cover closing position and the opening position in a sliding mode. The structure of the electric cabinet body and the cover plate is improved, and the cover plate of the electric cabinet is convenient to open so as to close or open a circuit breaker in the electric cabinet or to operate other electronic devices in the electric cabinet.
Description
Technical Field
The invention relates to the technical field of electric control equipment, in particular to an electric control box.
Background
An electric cabinet is a device that contains one or more low-voltage switchgear devices and the control, measurement, signalling, protection, regulation, etc. associated therewith.
Electronic devices such as a circuit breaker and the like are arranged in a box body of an existing electric cabinet, a cover plate is arranged on the box body, the box body and the cover plate are locked and fixed through screws generally, and some electric cabinets adopt a rotating shaft structure to realize that the cover plate can be movably lifted. However, when the circuit breaker is closed/opened or other electronic devices in the electric cabinet are detected and maintained, the cover needs to be opened by using a tool or the cover needs to be continuously held by hand to prevent the lifted cover from falling, which is troublesome to operate.
Disclosure of Invention
The invention mainly aims to provide an electric cabinet, aiming at conveniently opening a cover plate of the electric cabinet so as to conveniently close or open a circuit breaker in the electric cabinet or conveniently operate other electronic devices in the electric cabinet.
In order to achieve the above object, the present invention provides an electric cabinet, including:
the box body is provided with an installation cavity for installing an electronic device and a window which is communicated with the installation cavity and is exposed by the electronic device;
the cover plate is arranged on the box body in a manner of slidably switching between a cover closing position and an opening position;
in the covering position, the cover plate covers the window;
in the open position, the cover opens the window;
the driving assembly is arranged on the box body and is in driving connection with the cover plate; and
the control panel is arranged on the box body or the cover plate and is connected with the driving assembly;
the control board is used for controlling the driving component to drive the cover plate to be switched between the cover sealing position and the opening position in a sliding mode.
In an embodiment, a slide rail is disposed on the box body, a slide groove is disposed on the cover plate at a position corresponding to the slide rail, and the slide rail is in sliding fit with the slide groove to slidably switch the cover plate on the box body at the closing position and the opening position.
In one embodiment, the drive assembly comprises:
the driving motor is connected with the control board;
the input end of the gear set is in driving connection with the output end of the driving motor;
the transmission shaft is connected with the output end of the gear set;
the number of the sleeves is two, one sleeve is sleeved on the transmission shaft, the other sleeve is sleeved on a rotating shaft, and the rotating shaft is arranged on the box body and is arranged at an interval with the transmission shaft; and
the two ends of the transmission belt are respectively wound on the two sleeves;
the cover plate is provided with a matching groove which is matched with the driving belt, so that the cover plate can be arranged on the box body in a sliding switching mode at the sealing cover position and the opening position under the driving of the driving motor.
In one embodiment, the drive assembly further comprises:
the bearing is sleeved on the transmission shaft, and the outer wall of the bearing is movably attached to the groove wall of the matching groove.
In one embodiment, the electric cabinet further comprises:
the fixing frame is provided with a first fixing surface and a second fixing surface which are arranged back to back, the driving motor is installed on the first fixing surface, and the gear set is installed on the second fixing surface.
In one embodiment, the electric cabinet further comprises:
the function keys are arranged on the box body or the cover plate and connected with the control panel;
the control board is also used for controlling the driving motor to work when the function key is triggered so as to enable the cover plate to be switched to the cover sealing position or the opening position in a sliding mode.
In an embodiment, the function key is a touch key, and a touch pad is covered on the cover plate at a position corresponding to the touch key.
In one embodiment, the case includes:
the main body is provided with the installation cavity and a box opening communicated with the installation cavity; and
the frame body is arranged on the box opening, the window is formed in the frame body, and the cover plate is arranged on the frame body in a sliding and switching mode.
In one embodiment, the side surface of the frame body is arranged in an L shape.
In one embodiment, the case is provided with a plurality of heat dissipation holes and a wire routing port for a cable connected with the electronic device to pass through.
In the technical scheme of the invention, the electric cabinet comprises a cabinet body, a cover plate, a driving assembly and a control panel, wherein the cabinet body is provided with an installation cavity for installing an electronic device and a window which is communicated with the installation cavity and exposes the electronic device; at the open position, the apron is opened the window, drive assembly locates the box, drive assembly and apron drive are connected, the control panel is located on box or the apron, the control panel is connected with drive assembly, the control panel is used for controlling drive assembly drive apron and slides between closing cap position and open position and switch, the user need not the manual apron of opening the electric cabinet, the automatic function that opens and shuts of case lid has been realized, the convenience of opening the apron of electric cabinet has been improved, so that close or open and shut the circuit breaker in the electric cabinet, or the convenience is operated other electron device in the electric cabinet.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an electrical cabinet according to the present invention, in which a cover plate is in a sealing position;
FIG. 2 is a front view of an embodiment of the electrical cabinet of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of an electrical cabinet according to the present invention, in which a cover plate is in an open position;
fig. 4 is an exploded view of an embodiment of the electric cabinet of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
An electric cabinet is a device that contains one or more low-voltage switchgear devices and the control, measurement, signalling, protection, regulation, etc. associated therewith.
In some exemplary technologies, electronic devices such as a circuit breaker and the like are arranged in a box body of an electric cabinet, a cover plate is arranged on the box body, the box body and the cover plate are locked and fixed by screws, and some of the electric cabinets and the cover plate adopt a rotating shaft structure so as to be movably opened. However, when the circuit breaker is closed/opened or other electronic devices in the electric cabinet are detected and maintained, the cover needs to be opened by using a tool or the cover needs to be continuously held by hand to prevent the lifted cover from falling, which is troublesome to operate.
In order to improve the convenience of opening the cover plate of the electric cabinet, so as to close or open a circuit breaker in the electric cabinet or conveniently operate other electronic devices in the electric cabinet, the invention provides the electric cabinet, in particular to the electric cabinet provided with electronic devices such as the circuit breaker, and the like, and the invention is not limited in the position.
Referring to fig. 1 to 4, in an embodiment of the present invention, the electric cabinet includes a cabinet 100, a cover plate 200, a driving assembly 400 and a control board 500, the cabinet 100 is formed with a mounting cavity 100a for mounting an electronic device and a window 100b communicated with the mounting cavity 100a and exposing the electronic device (as shown in fig. 3, the electronic device may include a circuit breaker 300); the cover 200 is slidably disposed on the case 100 in a switchable manner between a covering position and an opening position; as shown in fig. 1 and 2, in the covering position, the cover plate 200 covers the window 100 b; as shown in fig. 3, in the open position, the cover 200 opens the window 100 b; the driving assembly 400 is arranged on the box body 100, the driving assembly 400 is in driving connection with the cover plate 200, the control plate 500 is arranged on the box body 100 or the cover plate 200, and the control plate 500 is connected with the driving assembly 400; the control board 500 is used for controlling the driving assembly 400 to drive the cover 200 to be slidably switched between the cover closing position and the opening position.
In this embodiment, the box body 100 of the electric cabinet may be assembled by a plurality of plastic or metal parts, or may be a combination of plastic parts and metal parts, or may be an integrally formed structure. The cover plate 200 may be a plastic or hardware formed integrally, or may be assembled by a plurality of components. Here, specific structures of the box 100 and the cover 200 of the electric cabinet are not limited.
In this embodiment, the driving source of the driving assembly 400 may be a driving component such as a servo motor, an air cylinder, etc., and is not limited herein.
The Servo Motor (Servo Motor) is an engine for controlling mechanical elements in a Servo system to operate, and is an auxiliary Motor indirect speed change device. The servo motor can ensure that the control speed and the position precision are very accurate, and can convert the voltage signal into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. The servo motors are divided into two categories of direct current servo motors and alternating current servo motors, and are mainly characterized in that no autorotation phenomenon exists when the signal voltage is zero, and the rotating speed is reduced at a constant speed along with the increase of torque.
It should be noted that, in the present embodiment, the box body 100 and the cover plate 200 may be slidably and switchably disposed on the box body 100 at the closing position and the opening position through a sliding mechanism, specifically, a slider or a sliding rod may be disposed on the box body 100, and a sliding slot or a matching hole may be disposed at a position of the cover plate 200 corresponding to the slider, where the specific sliding connection structure between the box body 100 and the cover plate 200 of the electric cabinet is not limited.
It can be understood that, in the present invention, the box body 100 of the electric cabinet is formed with the installation cavity 100a for installing the electronic device and the window 100b communicated with the installation cavity 100a and exposed for the electronic device, the cover plate 200 is slidably and switchably disposed on the box body 100 at the closing position and the opening position, the cover plate 200 covers the window 100b at the closing position, and at the opening position, the cover plate 200 opens the window 100b, the driving assembly 400 is disposed on the box body 100, the driving assembly 400 is drivingly connected with the cover plate 200, the control plate 500 is disposed on the box body 100 or the cover plate 200, the control plate 500 is connected with the driving assembly 400, the control plate 500 is used for controlling the driving assembly 400 to slidably switch the cover plate 200 between the closing position and the opening position, the user does not need to manually open the cover plate 200 of the electric cabinet, the automatic opening and closing function of the cabinet cover 200 is realized, and the convenience of opening the, so as to close or open the circuit breaker 300 in the electric cabinet or to facilitate the operation of other electronic devices in the electric cabinet.
Referring mainly to fig. 3 and 4, in order to achieve sliding connection between the cover plate 200 of the electric cabinet and the box body 100, and to facilitate opening and closing, detection and maintenance, and other operations on the circuit breaker 300 or other electronic devices in the electric cabinet, in some embodiments, a sliding rail 111 may be disposed on the box body 100 of the electric cabinet, a sliding groove 211 is disposed on the cover plate 200 at a position corresponding to the sliding rail 111, and the sliding rail 111 is in sliding fit with the sliding groove 211 to slidably switch the cover plate 200 between the closed position and the open position on the box body 100. So set up, convenience of customers or maintainer open apron 200 to operate the inside device of electric cabinet, improved the operation convenience of electric cabinet.
Further, in an embodiment, referring mainly to fig. 4, the driving assembly 400 may include a driving motor 410, a gear set 420, a transmission shaft (not labeled in the figure, located between the gear set 420 and the sleeve 440), a sleeve 440, and a transmission belt 450, wherein the driving motor 410 is connected to the control board 500, and an input end of the gear set 420 is in driving connection with an output end of the driving motor 410; the transmission shaft is connected with the output end of the gear set 420; the number of the sleeves 440 is two, wherein one sleeve 440 is sleeved on the transmission shaft, the other sleeve 440 is sleeved on the rotating shaft 430, and the rotating shaft 430 is arranged on the box body 100 and spaced from the transmission shaft; the driving belt 450 is wound around the sleeves 440 at both ends. The cover 200 is provided with a matching groove corresponding to the position of the driving belt 450, so that the cover 200 can be slidably and switchably arranged on the box 100 at the closing position and the opening position under the driving of the driving motor 410.
It can be understood that, in the present embodiment, the driving of the cover plate 200 is realized through the transmission mechanism to which the driving motor 410 is connected, and the operation convenience is greatly improved.
In addition, in an embodiment, referring to fig. 4, the electric cabinet may further include a function key 600, and the function key 600 is disposed on the box body 100 or the cover plate 200 and connected to the control board 500; in this embodiment, the control board 500 is connected to the driving motor 410, and the control board 500 is used for controlling the driving motor 410 to work when the function button 600 is triggered, so that the cover 200 is slidably switched between the covering position and the opening position.
In this embodiment, the operator can press the function button 600 to trigger the driving motor 410 to work so as to drive the cover plate 200 to slide. The controller on the control board 500 may be a micro-processing unit such as a single chip, a DSP, and an FPGA, which is not limited herein.
Further, when the function key 600 is a touch key, a touch pad may be covered on the cover plate 200 at a position corresponding to the touch key 600, so that a user can operate the electric cabinet.
In order to ensure that the cover plate 200 of the electric cabinet can be normally opened when a power failure or a fault occurs, in an embodiment, the driving assembly 400 further includes a bearing 460, the bearing 460 is sleeved on the transmission shaft, an outer wall of the bearing 460 is movably attached to a groove wall of the matching groove, and a worker or a user can manually push the cover plate 200 open to expose the window 100b, so as to operate the electronic device in the electric cabinet.
Referring to fig. 4, in an embodiment, the electric cabinet further includes a fixing bracket 470, the fixing bracket 470 has a first fixing surface and a second fixing surface oppositely disposed, the driving motor 410 is mounted on the first fixing surface, and the gear set 420 is mounted on the second fixing surface. With such an arrangement, the driving motor 410 and the gear set 420 are conveniently installed, and the stability of the driving assembly 400 is improved.
In order to facilitate assembly and improve assembly efficiency, in some embodiments, referring mainly to fig. 3 and 4, the box body 100 may include a main body 110 and a frame 120, the main body 110 is provided with an installation cavity 100a and a box opening communicated with the installation cavity 100 a; the frame 120 is provided on the tank opening, the frame 120 has a window 100b, and the cover plate 200 is slidably and switchably provided on the frame 120.
The side of the frame 120 in this embodiment can be L-shaped, one side of the surface of the frame 120 can form a concave surface for the cover plate 200 to cover, the other side can be higher than the concave surface and is consistent with the height of the cover plate 200, and the cover plate 200 is abutted against the side wall of the frame 120 in a closed state, so that the electric cabinet is integrally rectangular, and the industrial aesthetic feeling of the product is improved. Of course, in some other embodiments, other shapes of the box 100 and the cover 200 may be adopted, and are not limited herein.
In some embodiments, the box 100 of the electric cabinet may have a plurality of heat dissipation holes and a wire routing port for a cable connected to the electronic device to pass through, so as to improve efficiency of wire routing between the electronic device in the electric cabinet and the external device.
In addition, in some embodiments, with reference to fig. 1 and 4, the electric cabinet may further include a detection device and a display screen 210, the detection device may be disposed in the electric cabinet and connected to the control board 500, and the display screen 210 is disposed on the box body 100 or the cover plate 200; the detection device is connected with an electronic device in the electric cabinet and used for detecting the electrical parameters of the electronic device; the control board 500 is further configured to determine a fault type of the corresponding electronic device according to the electrical parameter detected by the detection device, and control the display screen 210 to display the electrical parameter and the fault type. A transparent plate 700 for protection may be further disposed on the display screen 210 to prevent the display screen 210 from being damaged.
In order to improve the safety of electricity utilization, in an embodiment, the intelligent electric cabinet cover may further include a temperature sensor (not shown), the temperature sensor may be disposed on the cover plate 200, and the temperature sensor is connected to the control board 500; and a temperature sensor for detecting a temperature signal and displaying the temperature signal through the display screen 210.
In addition, in some other embodiments, the intelligent electric cabinet box cover can be further provided with a humidity sensor to detect the environmental humidity so as to further improve the power utilization safety.
In addition, it should be further noted that, referring to fig. 4, the intelligent electric cabinet cover may further include a sensor (not shown), and the sensor may be disposed on the cover plate 200 (in the accommodating hole 200a of the cover plate 200 in fig. 4) and connected to the control board 500; a sensor for detecting a human body and transmitting a detection signal to the control board 500; the control board 500 is further configured to control the display screen 210 to be turned on or off according to the detection signal. So set up, when the inductor senses the human front side that is in the electric cabinet, control panel 500 control touch-control screen display 210 is lighted automatically to convenient operation has greatly promoted the operation convenience.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An electrical cabinet, comprising:
the box body is provided with an installation cavity for installing an electronic device and a window which is communicated with the installation cavity and is exposed by the electronic device;
the cover plate is arranged on the box body in a manner of slidably switching between a cover closing position and an opening position;
in the covering position, the cover plate covers the window;
in the open position, the cover opens the window;
the driving assembly is arranged on the box body and is in driving connection with the cover plate; and
the control panel is arranged on the box body or the cover plate and is connected with the driving assembly;
the control board is used for controlling the driving component to drive the cover plate to be switched between the cover sealing position and the opening position in a sliding mode.
2. The electric cabinet according to claim 1, wherein a slide rail is provided on the box body, a slide groove is provided on the cover plate at a position corresponding to the slide rail, and the slide rail is slidably engaged with the slide groove to slidably switch the cover plate on the box body between the closed position and the open position.
3. The electrical cabinet of claim 1, wherein the drive assembly comprises:
the driving motor is connected with the control board;
the input end of the gear set is in driving connection with the output end of the driving motor;
the transmission shaft is connected with the output end of the gear set;
the number of the sleeves is two, one sleeve is sleeved on the transmission shaft, the other sleeve is sleeved on a rotating shaft, and the rotating shaft is arranged on the box body and is arranged at an interval with the transmission shaft; and
the two ends of the transmission belt are respectively wound on the two sleeves;
the cover plate is provided with a matching groove which is matched with the driving belt, so that the cover plate can be arranged on the box body in a sliding switching mode at the sealing cover position and the opening position under the driving of the driving motor.
4. The electrical cabinet of claim 3, wherein the drive assembly further comprises:
the bearing is sleeved on the transmission shaft, and the outer wall of the bearing is movably attached to the groove wall of the matching groove.
5. The electrical cabinet of claim 4, further comprising:
the fixing frame is provided with a first fixing surface and a second fixing surface which are arranged back to back, the driving motor is installed on the first fixing surface, and the gear set is installed on the second fixing surface.
6. The electrical cabinet of claim 5, further comprising:
the function keys are arranged on the box body or the cover plate and connected with the control panel;
the control board is also used for controlling the driving motor to work when the function key is triggered so as to enable the cover plate to be switched to the cover sealing position or the opening position in a sliding mode.
7. The electric cabinet according to claim 6, wherein the function key is a touch key, and a touch pad is covered on the cover plate at a position corresponding to the touch key.
8. The electrical cabinet of claim 1, wherein the cabinet comprises:
the main body is provided with the installation cavity and a box opening communicated with the installation cavity; and
the frame body is arranged on the box opening, the window is formed in the frame body, and the cover plate is arranged on the frame body in a sliding and switching mode.
9. The electric cabinet of claim 8, wherein the side of the frame is L-shaped.
10. The electric cabinet according to claim 1, wherein the cabinet is provided with a plurality of heat dissipation holes and a wire port for a cable connected to the electronic device to pass through.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011468694.3A CN112492815A (en) | 2020-12-14 | 2020-12-14 | Electric control box |
| PCT/CN2021/072933 WO2022126823A1 (en) | 2020-12-14 | 2021-01-20 | Electric control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011468694.3A CN112492815A (en) | 2020-12-14 | 2020-12-14 | Electric control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112492815A true CN112492815A (en) | 2021-03-12 |
Family
ID=74916821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011468694.3A Pending CN112492815A (en) | 2020-12-14 | 2020-12-14 | Electric control box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112492815A (en) |
| WO (1) | WO2022126823A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117672B (en) * | 2023-10-23 | 2023-12-22 | 福建易安居电气设备有限公司 | Intelligent reactive compensation distribution box |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200456963Y1 (en) * | 2010-04-26 | 2011-11-30 | 한광석 | Outdoor advertizing aqueous small-sized whole aspect case of led controller |
| CN205609955U (en) * | 2016-03-14 | 2016-09-28 | 武汉盛硕电子有限公司 | Automatically controlled cabinet of touch |
| CN207443266U (en) * | 2017-11-17 | 2018-06-01 | 张学芹 | A kind of electric power novel package electrical-mechanical switch board |
| CN110225680A (en) * | 2019-07-11 | 2019-09-10 | 马鞍山秉信光电科技有限公司 | A kind of opto-electronic device metal shell mounting device |
| CN211509577U (en) * | 2020-04-20 | 2020-09-15 | 朱建辉 | Electromechanical electric cabinet that uses of environmental protection |
-
2020
- 2020-12-14 CN CN202011468694.3A patent/CN112492815A/en active Pending
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2021
- 2021-01-20 WO PCT/CN2021/072933 patent/WO2022126823A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022126823A1 (en) | 2022-06-23 |
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