CN213875969U - Lamp durability test device - Google Patents
Lamp durability test device Download PDFInfo
- Publication number
- CN213875969U CN213875969U CN202022799548.0U CN202022799548U CN213875969U CN 213875969 U CN213875969 U CN 213875969U CN 202022799548 U CN202022799548 U CN 202022799548U CN 213875969 U CN213875969 U CN 213875969U
- Authority
- CN
- China
- Prior art keywords
- wall
- fixed
- box
- fan
- lamp
- 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.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 95
- 241001465382 Physalis alkekengi Species 0.000 claims abstract description 13
- 241001233242 Lontra Species 0.000 claims description 6
- 239000000284 extract Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 10
- 238000009423 ventilation Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a lamps and lanterns endurance test device, the proof box comprises a proof box body, two first spouts, two have been seted up to proof box one side outer wall the equal sliding connection of first spout inner wall has the slider, two slider one side outer wall has same chamber door through the bolt fastening, chamber door one side outer wall has the window through the bolt fastening, chamber door one side outer wall has the locating plate of two L shape structures, two through the bolt fastening locating plate one end equal joint on proof box one side outer wall, proof box one side outer wall has the curb plate through the bolt fastening. The utility model discloses a be provided with first spout, slider, chamber door, window, locating plate, connecting plate, curb plate and electric telescopic handle, can observe the operating condition in the proof box in real time, after lamps and lanterns endurance test accomplishes, extract the locating plate from the proof box, start electric telescopic handle and drive the chamber door and remove to one side along first spout, then take out lamps and lanterns.
Description
Technical Field
The utility model relates to a lamp test technical field especially relates to lamp endurance test device.
Background
The lamp is an appliance capable of transmitting light, distributing and changing the light distribution of a light source, and comprises all parts except the light source, which are required for fixing and protecting the light source, and circuit accessories which are necessary for connecting with a power supply.
Before the lamp is put into use, the lamp usually needs to be subjected to a durability test, and the lamp generates more heat in the process of the durability test, so that the test effect is influenced if the heat cannot be dissipated timely.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a lamp durability test device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the lamp endurance test device comprises a test box, wherein two first sliding grooves are formed in the outer wall of one side of the test box, sliding blocks are connected to the inner walls of the two first sliding grooves in a sliding mode, the outer wall of one side of each sliding block is fixedly provided with a same box door through bolts, the outer wall of one side of the box door is fixedly provided with a window through bolts, the outer wall of one side of the box door is fixedly provided with two positioning plates with L-shaped structures through bolts, one ends of the two positioning plates are clamped on the outer wall of one side of the test box, a side plate is fixedly provided with a side plate through bolts, an electric telescopic rod is fixedly provided with the outer wall of one side of the side plate through bolts, a connecting plate is fixedly provided with a connecting plate through bolts, a piston rod of the electric telescopic rod is connected to the outer wall of one side of the connecting plate, the inner walls of two sides of the test box are fixedly provided with a same first air-permeable screen plate through bolts, and the outer wall of the bottom of the first air-permeable screen plate and the inner wall of the top of the test box are fixedly provided with a same second air-permeable screen plate through bolts, the air vents distributed at equal intervals are formed in the outer walls of the two sides of the test box, three fixing rods are fixed to the inner walls of the second breathable net plate and one side of the test box through bolts, and lamps distributed at equal intervals are fixed to the outer walls of the bottoms of the fixing rods through lamp holders through bolts.
Preferably, the inner walls of two sides of the test box are rotatably connected with the same first screw, the outer wall of the first screw is connected with a first fixing seat in a screwed mode, the inner wall of one side of the test box is provided with a second sliding groove, the first fixing seat is connected to the inner wall of the second sliding groove in a sliding mode, the outer wall of one side of the first fixing seat is fixed with a first fan through bolts, the first fan is located on one side of the second breathable screen plate, the outer wall of the top of the first breathable screen plate and the inner wall of the top of the test box are both fixed with limiting blocks through bolts, and the two limiting blocks are located on two sides of the first fan respectively.
Preferably, the inner walls of two sides of the test box are rotatably connected with the same second screw, the outer wall of the second screw is connected with a second fixed seat in a threaded manner, a third chute is formed in the inner wall of the bottom of the test box, the second fixed seat is connected to the inner wall of the third chute in a sliding manner, a second fan is fixed to the outer wall of the top of the second fixed seat through bolts, and the second fan is located below the first breathable screen plate.
Preferably, a motor is fixed on the inner wall of the bottom of the test box through a bolt, a main gear is connected to an output shaft of the motor, a driven gear is fixed on the outer wall of the bottom of the first screw rod through a bolt, the main gear and the driven gear are meshed with each other, a first bevel gear is fixed on the outer wall of the bottom of the first screw rod through a bolt, a second bevel gear is fixed on the outer wall of one end of the second screw rod through a bolt, and the first bevel gear and the second bevel gear are meshed with each other.
Preferably, the same baffle is fixed on the outer wall of the top of the test box and the outer wall of the bottom of the first breathable screen plate through bolts, an anti-collision block is fixed at one end of the second fan through bolts, and the anti-collision block is located on one side of the baffle.
Preferably, the inner wall of the bottom of the test box is fixed with a limiting plate through a bolt, and the limiting plate is positioned on one side of the second fixing seat.
Preferably, the electric telescopic rod, the lamp, the motor, the first fan and the second fan are all connected with a switch through wires, and the switch is connected with the controller through wires.
The utility model has the advantages that:
1. this lamps and lanterns endurance test device through being provided with first spout, slider, chamber door, window, locating plate, connecting plate, curb plate and electric telescopic handle, can observe the operating condition in the proof box in real time, after lamps and lanterns endurance test accomplishes, extracts the locating plate from the proof box, starts electric telescopic handle and drives the chamber door and remove to one side along first spout, then takes out lamps and lanterns.
2. This lamps and lanterns endurance test device, through being provided with vent, the ventilative otter board of second, motor, master gear, from gear, first screw rod, second spout, first fixing base and first fan, when the inside high temperature of proof box, start first fan and motor work to make proof box inside have ventilation cooling's effect, through the stopper that sets up, can play spacing effect to the removal of first fan.
3. This lamps and lanterns endurance test device, through being provided with first ventilative otter board, the second screw rod, the third spout, the second fixing base, the second fan, first bevel gear and second bevel gear, the inside heat that produces of proof box can obtain further giving off to promote ventilation cooling's effect, through the baffle and the anticollision piece that set up, can play spacing effect to the removal of second fan, perhaps through the limiting plate that sets up, also can reach spacing effect.
Drawings
Fig. 1 is a schematic perspective view of a lamp durability test device according to the present invention;
fig. 2 is a schematic cross-sectional structure view of a test box of an embodiment of the lamp durability testing apparatus according to the present invention;
fig. 3 is a schematic sectional structure view of a second test box of an embodiment of a lamp durability test device provided by the present invention.
In the figure: 1 test box, 2 first chutes, 3 sliding blocks, 4 box doors, 5 windows, 6 positioning plates, 7 connecting plates, 8 side plates, 9 electric telescopic rods, 10 ventilation openings, 11 first ventilating screen plates, 12 second ventilating screen plates, 13 fixing rods, 14 lamps, 15 motors, 16 main gears, 17 first screws, 18 slave gears, 19 second chutes, 20 first fixing seats, 21 first fans, 22 limiting blocks, 23 second screws, 24 third chutes, 25 second fixing seats, 26 second fans, 27 first bevel gears, 28 second bevel gears, 29 baffle plates, 30 anti-collision blocks and 31 limiting plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-2, a lamp durability test device comprises a test box 1, wherein two first chutes 2 are arranged on the outer wall of one side of the test box 1, the inner walls of the two first chutes 2 are respectively and slidably connected with a slide block 3, the outer wall of one side of the two slide blocks 3 is fixed with a same box door 4 through bolts, the outer wall of one side of the box door 4 is fixed with a window 5 through bolts, the outer wall of one side of the box door 4 is fixed with two positioning plates 6 with L-shaped structures through bolts, one ends of the two positioning plates 6 are respectively clamped on the outer wall of one side of the test box 1, the outer wall of one side of the test box 1 is fixed with a side plate 8 through bolts, the outer wall of one side of the side plate 8 is fixed with an electric telescopic rod 9 through bolts, the outer wall of one side of the box door 4 is fixed with a connecting plate 7 through bolts, a piston rod of the electric telescopic rod 9 is connected on the outer wall of one side of the connecting plate 7, and the inner walls of two sides of the test box 1 are fixed with a same first breathable mesh plate 11 through bolts, the outer wall of the bottom of the first breathable screen plate 11 and the inner wall of the top of the test box 1 are fixed with the same second breathable screen plate 12 through bolts, the outer walls of two sides of the test box 1 are both provided with air vents 10 distributed at equal intervals, the inner walls of the second breathable screen plate 12 and one side of the test box 1 are fixed with three fixed rods 13 through bolts, the outer walls of the bottoms of the three fixed rods 13 are both fixed with lamps 14 distributed at equal intervals through lamp holders through bolts, the inner walls of two sides of the test box 1 are rotatably connected with the same first screw 17, the outer wall of the first screw 17 is screwed with a first fixed seat 20, the inner wall of one side of the test box 1 is provided with a second chute 19, the first fixed seat 20 is slidably connected on the inner wall of the second chute 19, the outer wall of one side of the first fixed seat 20 is fixed with a first fan 21 through bolts, the first fan 21 is positioned on one side of the second breathable screen plate 12, the outer wall of the top of the first breathable screen plate 11 and the inner wall of the top of the test box 1 are both fixed with a limiting block 22 through bolts, two limiting blocks 22 are respectively positioned at two sides of a first fan 21, the inner walls at two sides of the test box 1 are rotatably connected with the same second screw 23, the outer wall of the second screw 23 is in threaded connection with a second fixed seat 25, the inner wall at the bottom of the test box 1 is provided with a third chute 24, the second fixed seat 25 is in sliding connection with the inner wall of the third chute 24, the outer wall at the top of the second fixed seat 25 is fixed with a second fan 26 through bolts, the second fan 26 is positioned below the first ventilating screen plate 11, the inner wall at the bottom of the test box 1 is fixed with a motor 15 through bolts, the output shaft of the motor 15 is connected with a master gear 16, an electric telescopic rod 9, a lamp 14, the motor 15, the first fan 21 and the second fan 26 are all connected with switches through wires, the switches are connected with a controller through wires, the model of the controller is YKZ7280JA, the outer wall at the bottom of the first screw 17 is fixed with a slave gear 18 through bolts, and the master gear 16 and the slave gear 18 are mutually meshed, the outer wall of the bottom of the first screw rod 17 is fixed with a first bevel gear 27 through a bolt, the outer wall of one end of the second screw rod 23 is fixed with a second bevel gear 28 through a bolt, the first bevel gear 27 and the second bevel gear 28 are meshed with each other, the outer wall of the top of the test box 1 and the outer wall of the bottom of the first breathable net plate 11 are fixed with a same baffle 29 through bolts, one end of the second fan 26 is fixed with an anti-collision block 30 through a bolt, and the anti-collision block 30 is located on one side of the baffle 29.
The working principle is as follows: when the test box works, through the arranged ventilation opening 10, the second ventilating screen plate 12, the motor 15, the main gear 16, the secondary gear 18, the first screw rod 17, the second chute 19, the first fixed seat 20 and the first fan 21, when the temperature in the test box 1 is overhigh, the first fan 21 and the motor 15 are started to work, so that the inside of the test box 1 has ventilating and heat dissipating effects, through the arranged limiting block 22, the movement of the first fan 21 can be limited, then through the arranged first ventilating screen plate 11, the second screw rod 23, the third chute 24, the second fixed seat 25, the second fan 26, the first bevel gear 27 and the second bevel gear 28, the heat generated in the test box 1 can be further dissipated, so that the ventilating and heat dissipating effects are improved, through the arranged baffle 29 and the anti-collision block 30, the movement of the second fan 26 can be limited, then through the first spout 2, slider 3, chamber door 4, window 5, locating plate 6, connecting plate 7, curb plate 8 and the electric telescopic handle 9 that set up, can observe the operating condition in proof box 1 in real time, after 14 endurance test of lamps and lanterns accomplished, extract locating plate 6 from proof box 1, start electric telescopic handle 9 and drive chamber door 4 and move to one side along first spout 2, then take out lamps and lanterns 14.
Example two
Referring to fig. 1 and 3, the lamp endurance test device comprises a test box 1, wherein two first chutes 2 are arranged on the outer wall of one side of the test box 1, the inner walls of the two first chutes 2 are respectively and slidably connected with a slide block 3, the outer wall of one side of the two slide blocks 3 is fixed with a same box door 4 through bolts, the outer wall of one side of the box door 4 is fixed with a window 5 through bolts, the outer wall of one side of the box door 4 is fixed with two positioning plates 6 with L-shaped structures through bolts, one ends of the two positioning plates 6 are respectively clamped on the outer wall of one side of the test box 1, the outer wall of one side of the test box 1 is fixed with a side plate 8 through bolts, the outer wall of one side of the side plate 8 is fixed with an electric telescopic rod 9 through bolts, the outer wall of one side of the box door 4 is fixed with a connecting plate 7 through bolts, a piston rod of the electric telescopic rod 9 is connected on the outer wall of one side of the connecting plate 7, and the inner walls of two sides of the test box 1 are fixed with a same first breathable mesh plate 11 through bolts, the outer wall of the bottom of the first breathable screen plate 11 and the inner wall of the top of the test box 1 are fixed with the same second breathable screen plate 12 through bolts, the outer walls of two sides of the test box 1 are both provided with air vents 10 distributed at equal intervals, the inner walls of the second breathable screen plate 12 and one side of the test box 1 are fixed with three fixed rods 13 through bolts, the outer walls of the bottoms of the three fixed rods 13 are both fixed with lamps 14 distributed at equal intervals through lamp holders through bolts, the inner walls of two sides of the test box 1 are rotatably connected with the same first screw 17, the outer wall of the first screw 17 is screwed with a first fixed seat 20, the inner wall of one side of the test box 1 is provided with a second chute 19, the first fixed seat 20 is slidably connected on the inner wall of the second chute 19, the outer wall of one side of the first fixed seat 20 is fixed with a first fan 21 through bolts, the first fan 21 is positioned on one side of the second breathable screen plate 12, the outer wall of the top of the first breathable screen plate 11 and the inner wall of the top of the test box 1 are both fixed with a limiting block 22 through bolts, two limiting blocks 22 are respectively positioned at two sides of a first fan 21, the inner walls at two sides of the test box 1 are rotatably connected with the same second screw 23, the outer wall of the second screw 23 is in threaded connection with a second fixed seat 25, the inner wall at the bottom of the test box 1 is provided with a third chute 24, the second fixed seat 25 is in sliding connection with the inner wall of the third chute 24, the outer wall at the top of the second fixed seat 25 is fixed with a second fan 26 through bolts, the second fan 26 is positioned below the first ventilating screen plate 11, the inner wall at the bottom of the test box 1 is fixed with a motor 15 through bolts, the output shaft of the motor 15 is connected with a master gear 16, an electric telescopic rod 9, a lamp 14, the motor 15, the first fan 21 and the second fan 26 are all connected with switches through wires, the switches are connected with a controller through wires, the model of the controller is YKZ7280JA, the outer wall at the bottom of the first screw 17 is fixed with a slave gear 18 through bolts, and the master gear 16 and the slave gear 18 are mutually meshed, the outer wall of the bottom of the first screw rod 17 is fixed with a first bevel gear 27 through a bolt, the outer wall of one end of the second screw rod 23 is fixed with a second bevel gear 28 through a bolt, the first bevel gear 27 and the second bevel gear 28 are meshed with each other, the inner wall of the bottom of the test box 1 is fixed with a limiting plate 31 through a bolt, and the limiting plate 31 is located on one side of the second fixing seat 25.
The working principle is as follows: during operation, through the arranged ventilation opening 10, the second ventilating screen plate 12, the motor 15, the main gear 16, the slave gear 18, the first screw 17, the second chute 19, the first fixing seat 20 and the first fan 21, when the temperature inside the test box 1 is too high, the first fan 21 and the motor 15 are started to operate, so that the inside of the test box 1 has ventilating and heat dissipating effects, through the arranged limiting block 22, the movement of the first fan 21 can be limited, then through the arranged first ventilating screen plate 11, the second screw 23, the third chute 24, the second fixing seat 25, the second fan 26, the first bevel gear 27 and the second bevel gear 28, the heat generated inside the test box 1 can be further dissipated, so that the ventilating and heat dissipating effects are improved, through the arranged limiting plate 31, the movement of the second fan 26 can be limited, and then through the arranged first chute 2, the second chute 20 and the first fan 21, Slider 3, chamber door 4, window 5, locating plate 6, connecting plate 7, curb plate 8 and electric telescopic handle 9 can be observed the operating condition in the proof box 1 in real time, after 14 endurance test of lamps and lanterns are accomplished, extract locating plate 6 from proof box 1, start electric telescopic handle 9 and drive chamber door 4 and move to one side along first spout 2, then take out lamps and lanterns 14.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The lamp endurance test device comprises a test box (1) and is characterized in that two first sliding grooves (2) are formed in the outer wall of one side of the test box (1), sliding blocks (3) are connected to the inner walls of the two first sliding grooves (2) in a sliding manner, the outer wall of one side of each of the two sliding blocks (3) is fixed with a same box door (4), a window (5) is fixed on the outer wall of one side of each box door (4), two positioning plates (6) of an L-shaped structure are fixed on the outer wall of one side of each box door (4), one ends of the two positioning plates (6) are clamped on the outer wall of one side of the test box (1), a side plate (8) is fixed on the outer wall of one side of each box door (1), an electric telescopic rod (9) is fixed on the outer wall of one side of each side plate (8), a connecting plate (7) is fixed on the outer wall of one side of each box door (4), a piston rod of each electric telescopic rod (9) is connected to the outer wall of one side of each connecting plate (7), the utility model discloses a lamp, including proof box (1), the both sides inner wall of proof box (1) is fixed with same first ventilative otter board (11), the top inner wall of first ventilative otter board (11) bottom outer wall and proof box (1) is fixed with the ventilative otter board of same second (12), vent (10) that the equidistance distributes are all seted up to proof box (1) both sides outer wall, the ventilative otter board of second (12) and one side inner wall of proof box (1) are fixed with three dead lever (13), and are three the bottom outer wall of dead lever (13) all is fixed with lamps and lanterns (14) that the equidistance distributes through the lamp stand.
2. The lamp endurance testing device according to claim 1, wherein the same first screw (17) is rotatably connected to inner walls of two sides of the test box (1), the first fixing seat (20) is screwed on an outer wall of the first screw (17), the second sliding groove (19) is formed in an inner wall of one side of the test box (1), the first fixing seat (20) is slidably connected to an inner wall of the second sliding groove (19), the first fan (21) is fixed to an outer wall of one side of the first fixing seat (20), the first fan (21) is located on one side of the second air-permeable screen (12), the limiting blocks (22) are fixed to an outer wall of the top of the first air-permeable screen (11) and the inner wall of the top of the test box (1), and the two limiting blocks (22) are located on two sides of the first fan (21) respectively.
3. The lamp endurance test device according to claim 2, wherein the same second screw (23) is rotatably connected to inner walls of two sides of the test box (1), a second fixing seat (25) is screwed to an outer wall of the second screw (23), a third chute (24) is formed in an inner wall of the bottom of the test box (1), the second fixing seat (25) is slidably connected to an inner wall of the third chute (24), a second fan (26) is fixed to an outer wall of the top of the second fixing seat (25), and the second fan (26) is located below the first air-permeable screen (11).
4. The lamp endurance testing apparatus according to claim 3, wherein a motor (15) is fixed to the inner wall of the bottom of the test chamber (1), a master gear (16) is connected to an output shaft of the motor (15), a slave gear (18) is fixed to the outer wall of the bottom of the first screw (17), the master gear (16) and the slave gear (18) are meshed with each other, a first bevel gear (27) is fixed to the outer wall of the bottom of the first screw (17), a second bevel gear (28) is fixed to the outer wall of one end of the second screw (23), and the first bevel gear (27) and the second bevel gear (28) are meshed with each other.
5. The lamp endurance testing apparatus of claim 4, wherein the same baffle (29) is fixed to the outer wall of the top of the test chamber (1) and the outer wall of the bottom of the first air-permeable net plate (11), and an anti-collision block (30) is fixed to one end of the second fan (26), wherein the anti-collision block (30) is located on one side of the baffle (29).
6. The lamp endurance testing apparatus according to claim 4, wherein a limiting plate (31) is fixed to the inner wall of the bottom of the test chamber (1), and the limiting plate (31) is located on one side of the second fixing seat (25).
7. The lamp endurance testing apparatus according to claim 4, wherein the electric telescopic rod (9), the lamp (14), the motor (15), the first fan (21) and the second fan (26) are all connected with a switch through wires, and the switch is connected with a controller through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022799548.0U CN213875969U (en) | 2020-11-27 | 2020-11-27 | Lamp durability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022799548.0U CN213875969U (en) | 2020-11-27 | 2020-11-27 | Lamp durability test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213875969U true CN213875969U (en) | 2021-08-03 |
Family
ID=77064224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022799548.0U Expired - Fee Related CN213875969U (en) | 2020-11-27 | 2020-11-27 | Lamp durability test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213875969U (en) |
-
2020
- 2020-11-27 CN CN202022799548.0U patent/CN213875969U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210693127U (en) | Heat radiator for be used for high-low voltage apparatus complete sets | |
| CN109195422B (en) | Novel control cabinet for electrical equipment | |
| CN213875969U (en) | Lamp durability test device | |
| CN212812407U (en) | Building regulator cubicle convenient to overhaul | |
| CN210893210U (en) | Automatic metering and calibrating equipment for temperature and humidity monitoring device | |
| CN210092659U (en) | Power box with good heat dissipation performance | |
| CN219247276U (en) | Combined power distribution cabinet | |
| CN213846015U (en) | Multilayer heat dissipation formula cubical switchboard | |
| CN213237155U (en) | Intelligent energy-saving control grille lamp with good heat dissipation performance | |
| CN212991730U (en) | Power distribution cabinet | |
| CN213938726U (en) | Explosion-proof type electrical control box | |
| CN213888103U (en) | Die casting die for automobile lamp aluminum heat dissipation part | |
| CN208539793U (en) | A kind of frequency converter | |
| CN214314180U (en) | Heat dissipation and dehumidification device automatically controlled by electrical cabinet | |
| CN207165993U (en) | Low-tension switch cabinet | |
| CN218632998U (en) | Electronic engineering switch board | |
| CN214314141U (en) | Indoor alternating current metal armored movable power-saving switch equipment | |
| CN220367322U (en) | Internet of things line monitoring mechanism | |
| CN217387946U (en) | Multifunctional power supply control cabinet | |
| CN213603013U (en) | Hanging type electric appliance cabinet | |
| CN114142372A (en) | Can install cubical switchboard of portable bracket additional | |
| CN219591991U (en) | Lighting distribution box convenient to install | |
| CN215816911U (en) | Dustproof high-low voltage power distribution cabinet | |
| CN215674156U (en) | Novel gas switching cabinet | |
| CN216436601U (en) | Heat sink for switch board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |