CN113394687B - High-voltage power engineering power box with protection function - Google Patents
High-voltage power engineering power box with protection function Download PDFInfo
- Publication number
- CN113394687B CN113394687B CN202110865920.XA CN202110865920A CN113394687B CN 113394687 B CN113394687 B CN 113394687B CN 202110865920 A CN202110865920 A CN 202110865920A CN 113394687 B CN113394687 B CN 113394687B
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- fixedly connected
- hollow
- power box
- block
- box shell
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
- H02B1/505—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor retractable installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the technical field of electric power engineering electric power boxes, and particularly relates to a high-voltage electric power engineering electric power box with a protection function, which comprises a base and an electric power box shell, wherein two hollow cylinders are fixedly connected to the upper end of the base, empty grooves are formed in two sides of the lower end of the electric power box shell, filter screens are rotatably connected to the inner walls of the two heat dissipation grooves, arc-shaped blocks are fixedly connected to the inner walls of the heat dissipation grooves on the same side, the arc-shaped blocks are abutted and matched with the filter screens, positioning mechanisms are arranged between a reciprocating screw rod and a long rod and the two filter screens, and a conical plate is fixedly connected to the upper end of the electric power box shell. According to the invention, the opening and closing of the power box shell are conveniently started by controlling the motor, the power box shell can be sealed for damp prevention, and secondly, the two filter screens are arranged, so that dust can be prevented from entering the power box when the two heat dissipation grooves dissipate heat, and the filter screens can be conveniently cleaned.
Description
Technical Field
The invention relates to the technical field of power engineering power boxes, in particular to a high-voltage power engineering power box with a protection function.
Background
The electric power engineering, namely the engineering related to the production, transmission and distribution of electric energy, also includes the engineering of applying electricity as power and energy in various fields in a broad sense, and can be understood to transmit and transform power industry expansion engineering at the same time, the transmission and distribution of electric energy are mainly realized by high-voltage and low-voltage alternating current power networks, and in recent 30 years, the high-voltage direct current transmission technology is rapidly advanced and is more and more widely applied in some power transmission fields, so that as the development direction of the power transmission engineering technology, the key point is to research the ultra-high voltage (more than 100 ten thousand volts) alternating current transmission and direct current transmission technology to form a larger power network, in order to meet the needs of national economy and social development, the state needs to accelerate the power construction strength, and in the power construction process.
Current power box is inconvenient opens and closes the control gate on the power box, generally carries out manually operation, and inconvenient installation and dismantlement operate through a control gate only when maintaining the power box, operates inconveniently, and the control gate sealing performance is poor, and when contacting with ground, in the vapor on the ground surface enters into the box easily, secondly, when the power box dispels the heat, the dust enters into the box easily, and is inconvenient to clear up.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the prior art, the invention provides a high-voltage power engineering power box with a protection function, wherein the power box shell can be conveniently opened and closed by controlling a motor, the power box shell can be sealed and protected against moisture, and secondly, two filter screens are arranged, so that dust can be prevented from entering the power box when the two heat dissipation grooves dissipate heat, and the filter screens can be conveniently cleaned.
(II) technical scheme
In order to solve the technical problems, the invention provides a high-voltage power engineering power box with a protection function, which comprises a base and a power box shell, wherein two hollow cylinders are fixedly connected to the upper end of the base, empty grooves are formed in two sides of the lower end of the power box shell, a limiting mechanism is arranged between the two hollow cylinders and the two empty grooves, a supporting mechanism is arranged between the two limiting mechanisms, a long rod is fixedly connected to the upper end of the base, a limiting groove is formed in the long rod, a stop block is fixedly connected to the side wall of the power box shell and is in sliding connection with the inner wall of the limiting groove, a reciprocating lead screw is rotatably connected to the upper end of the base, a sliding block is fixedly connected to the side wall of the power box shell, the reciprocating lead screw penetrates through the sliding block and is in threaded connection with the sliding block, heat dissipation grooves are formed in two sides of the upper end of the power box shell, and filter screens are rotatably connected to the inner walls of the two heat dissipation grooves, the inner walls of the heat dissipation grooves on the same side are fixedly connected with arc-shaped blocks, the arc-shaped blocks are abutted and matched with the filter screens, positioning mechanisms are arranged between the reciprocating screw rods and the long rods and between the reciprocating screw rods and the two filter screens, and the upper end of the power box shell is fixedly connected with a conical plate;
preferably, the side wall of the base is fixedly connected with an installation block, the upper end of the installation block is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating rod, the rotating rod is fixedly connected with a first bevel gear, the reciprocating screw rod is fixedly connected with a second bevel gear, and the first bevel gear and the second bevel gear are meshed with each other;
preferably, the limiting mechanism comprises a first piston which is slidably connected with the inner wall of the hollow cylinder, the upper end of the first piston is fixedly connected with a first sliding rod, a first spring is fixedly connected between the first piston and the inner wall of the hollow cylinder, the upper end of the first sliding rod is fixedly connected with a rubber block, and the rubber block abuts against the inner wall of the hollow groove;
preferably, the supporting mechanism comprises a square plate fixedly connected with the upper end of the base, the outer wall of the square plate is sleeved with and fixedly connected with an inflatable cloth, and a guide pipe is fixedly connected between the inflatable cloth and the hollow cylinder;
preferably, the upper end of the square plate is fixedly connected with a first hollow rod, an arc-shaped pipe is fixedly connected between the first hollow rod and the inflatable cloth, the upper end of the first hollow rod is fixedly connected with two second hollow rods, and a damping mechanism is arranged in each of the two second hollow rods;
preferably, the damping mechanism comprises a second piston slidably connected with the inner wall of the second hollow rod, the second piston is fixedly connected with a limiting rod, a second spring is sleeved on the limiting rod, the limiting rod penetrates through the second hollow rod and is slidably connected with the inner wall of the second hollow rod, the second hollow rod is fixedly connected with a butting block, and the butting block butts against the inner wall of the outer shell of the power box;
preferably, the positioning mechanism comprises a hollow block fixedly connected with the upper end of the reciprocating screw rod and the upper end of the long rod together, the hollow block is connected with a wedge block in a sliding manner, a third spring is fixedly connected between the wedge block and the hollow block, the wedge block is connected with the inner wall of the hollow block in a sliding manner, and the wedge block abuts against the outer wall of the filter screen;
preferably, the lower end of the base is fixedly connected with four supporting legs, and the lower ends of the four supporting legs are respectively and fixedly connected with a friction pad.
The technical scheme of the invention has the following beneficial technical effects:
1. according to the invention, the motor is started, the reciprocating screw rod is driven to rotate when the motor rotates, the reciprocating screw rod rotates to drive the sliding block and the electric box shell to ascend or descend, the electric box shell is convenient to mount and dismount, manual operation is not needed, and the use is convenient.
2. According to the invention, when the two first pistons move downwards, gas in the hollow cylinder is sent to the two second hollow rods in the inflatable cloth, the second pistons drive the limiting rods and the abutting blocks to move and compress the second springs, the two abutting blocks abut against the inner wall of the power box shell, so that the power box shell is damped, the inflatable cloth is continuously inflated, the power box shell can be sealed when the inflatable cloth is expanded, and meanwhile, the four supporting legs are matched, so that water vapor is not easy to enter the power box shell, and the power box shell can be subjected to moisture-proof treatment.
3. When putting into the power box shell with the power box, dispel the heat through two radiating grooves, can the separation dust enter into wherein simultaneously, when opening the power box shell, when need not to dispel the heat, two filter screens can rotate, conveniently clear up the dust on the filter screen.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure shown at B in FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is a top view of a square plate of the present invention.
In the figure: the device comprises a base 1, a square plate 2, an inflation cloth 3, a first hollow rod 4, an arc-shaped tube 5, a long rod 6, a stop dog 7, a supporting foot 8, a limiting rod 9, a second hollow rod 10, a second spring 11, a resisting block 12, a conical plate 13, a hollow block 14, a third spring 15, a wedge-shaped block 16, a filter screen 17, an arc-shaped block 18, a power box shell 19, a motor 20, a second bevel gear 21, a first bevel gear 22, a sliding block 23, a reciprocating screw rod 24, a rubber block 25, a first sliding rod 26, a hollow cylinder 27, a guide tube 28, a first spring 29, a mounting block 30, a first piston 31 and a second piston 32.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description.
As shown in fig. 1, 2, 3, and 4, the high-voltage power engineering power box with a protection function provided by the present invention includes a base 1 and a power box housing 19, the upper end of the base 1 is fixedly connected with two hollow cylinders 27, both sides of the lower end of the power box housing 19 are provided with empty slots, a limiting mechanism is provided between the two hollow cylinders 27 and the two empty slots, the limiting mechanism includes a first piston 31 slidably connected to the inner wall of the hollow cylinder 27, the upper end of the first piston 31 is fixedly connected with a first slide bar 26, a first spring 29 is fixedly connected between the first piston 31 and the inner wall of the hollow cylinder 27, the upper end of the first slide bar 26 is fixedly connected with a rubber block 25, the rubber block 25 abuts against the inner wall of the empty slot, and the first piston 31 abuts against the inner wall of the hollow cylinder 27 and is slidably connected in a sealing manner.
A supporting mechanism is arranged between the two limiting mechanisms, the supporting mechanism comprises a square plate 2 fixedly connected with the upper end of the base 1, the outer wall of the square plate 2 is sleeved with and fixedly connected with an inflatable cloth 3, the inflatable cloth 3 consists of an airbag and two sealing cloths, the sealing cloths have elasticity, a guide pipe 28 is fixedly connected between the airbag of the inflatable cloth 3 and the hollow cylinder 27, the inflatable cloth 3 is in a rectangular frame shape, the inflatable cloth 3 is matched with the inner wall of the power box shell 19, the inflatable cloth 3 can be attached to the inner wall of the power box shell 19 after being expanded to seal the power box shell 19, a first hollow rod 4 is fixedly connected with the upper end of the square plate 2, an arc-shaped pipe 5 is fixedly connected between the first hollow rod 4 and the inflatable cloth 3, two second hollow rods 10 are fixedly connected with the upper end of the first hollow rod 4, a damping mechanism is arranged in each of the two second hollow rods 10, the damping mechanism comprises a second piston 32 which is connected with the inner wall of each second hollow rod 10 in a sliding manner, second piston 32 fixedly connected with gag lever post 9, the cover is equipped with second spring 11 on the gag lever post 9, gag lever post 9 runs through the hollow pole 10 of second and rather than inner wall sliding connection, the hollow pole 10 fixedly connected with of second supports piece 12, supports the inner wall counterbalance of piece 12 and power box shell 19, two one end fixedly connected with foam-rubber cushion that support piece 12 back of the body mutually, the width of foam-rubber cushion is greater than the width of radiating groove, two foam-rubber cushions carry out the shock attenuation to power box shell 19.
The upper end of the base 1 is fixedly connected with a long rod 6, a limit groove is arranged in the long rod 6, the side wall of the electric box shell 19 is fixedly connected with a stop block 7, the stop block 7 is connected with the inner wall of the limit groove in a sliding manner, the upper end of the base 1 is rotatably connected with a reciprocating screw rod 24, the side wall of the electric box shell 19 is fixedly connected with a slide block 23, the reciprocating screw rod 24 penetrates through the slide block 23 and is in threaded connection with the slide block, the side wall of the base 1 is fixedly connected with an installation block 30, the upper end of the installation block 30 is fixedly connected with a motor 20, the output end of the motor 20 is fixedly connected with a rotating rod, the rotating rod is fixedly connected with a first bevel gear 22, a second bevel gear 21 is fixedly connected on the reciprocating screw rod 24, the first bevel gear 22 and the second bevel gear 21 are mutually meshed, the two sides of the upper end of the electric box shell 19 are provided with radiating grooves, the inner walls of the two radiating grooves are both rotatably connected with filter screens 17, and the inner walls of the radiating grooves at the same side are fixedly connected with arc-shaped blocks 18, two filter screens 17 are vertical state under self gravity, and the pivot of filter screen 17 conveniently rotates, need not to exert oneself, also can carry out self swing at wind self-heating blowing.
Arc piece 18 and filter screen 17 counterbalance and cooperate, reciprocal lead screw 24 and stock 6 and two filter screens 17 between all be equipped with positioning mechanism, positioning mechanism includes reciprocal lead screw 24 and stock 6's the common fixed connection's in upper end hollow block 14, hollow block 14 sliding connection has wedge 16, fixedly connected with third spring 15 between wedge 16 and the hollow block 14, wedge 16 and hollow block 14's inner wall sliding connection, wedge 16 offsets with filter screen 17's outer wall, power box shell 19's upper end fixedly connected with conical plate 13, four supporting legs 8 of base 1's lower extreme fixedly connected with, the fixedly connected with friction pad is all established to four supporting legs 8's lower extreme, can clear up the ash that falls of power box shell 19's upper end through conical plate 13 design.
The working principle and the using process of the invention are as follows: during initial state, when the user needs to install the power box shell 19, the starting motor 20 works, the motor 20 drives the first bevel gear 22 and the second bevel gear 21 to rotate during working, the first bevel gear 22 rotates to drive the reciprocating screw rod 24 to rotate, the reciprocating screw rod 24 drives the sliding block 23 to move towards the direction of the motor 20 during rotating, and meanwhile, under the limit of the long rod 6 to the stop block 7, the stop block 7 slides in the limit groove, so that the power box shell 19 can vertically move downwards.
When the power box shell 19 moves downwards, the rubber block 25 is extruded through the inner walls of the two empty grooves, the rubber block 25 drives the first sliding rod 26 and the first piston 31 to move downwards and compress the first spring 29, when the two first pistons 31 move downwards, the gas in the hollow cylinder 27 is conveyed into the inflating cloth 3 through the two guide pipes 28, the inflating cloth 3 is conveyed into the first hollow rod 4 and the two second hollow rods 10 through the arc-shaped pipe 5, the gas in the two second hollow rods 10 pushes the two second pistons 32 to move back to back, the second piston 32 drives the limiting rod 9 and the abutting blocks 12 to move and compress the second spring 11, the two abutting blocks 12 abut against the inner wall of the power box shell 19 and limit the inner wall, so that the fixing of the power box shell 19 is more stable, the inflating cloth 3 is continuously inflated, and when the inflating cloth 3 expands, a gap between the power box shell 19 and the base 1 is blocked, and sealing the bottom of the electric box shell 19 until the bottom of the electric box shell 19 abuts against the base 1, namely finishing the shock absorption of the electric box shell 19.
In the whole process, when the power box shell 19 moves, the two wedge-shaped blocks 16 abut against the outer wall of the power box shell 19, the two wedge-shaped blocks 16 sink into the two hollow blocks 14 and compress the two third springs 15 until the two wedge-shaped blocks 16 meet the two heat dissipation grooves, and then under the elastic force of the two third springs 15, the wedge-shaped blocks 16 and the arc-shaped blocks 18 abut against the filter screen 17 and limit the filter screen 17, so that the two filter screens 17 cannot rotate.
When a user needs to disassemble the power box shell 19, the motor 20 is continuously started, the electrolysis 20 drives the sliding block 23 to move upwards together with the power box shell 19 when rotating again, at the moment, under the elastic force of the first spring 29, the two second pistons 32 move upwards, the two second hollow rods 10 and the gas in the inflatable cloth 3 are absorbed into the hollow cylinder 27, the two wedge-shaped blocks 16 sink into the two hollow blocks 14, and the two wedge-shaped blocks 16 abut against the outer wall of the power box shell 19, so that the two filter screens 17 can be conveniently rotated outwards, and the inside and the outside of the filter screens 17 can be conveniently and automatically cleaned manually.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (3)
1. The power engineering power box comprises a base (1) and a power box shell (19), and is characterized in that two hollow cylinders (27) are fixedly connected to the upper end of the base (1), empty grooves are formed in two sides of the lower end of the power box shell (19), a limiting mechanism is arranged between the two hollow cylinders (27) and the two empty grooves, a supporting mechanism is arranged between the two limiting mechanisms, a long rod (6) is fixedly connected to the upper end of the base (1), a limiting groove is formed in the long rod (6), a stop block (7) is fixedly connected to the side wall of the power box shell (19), the stop block (7) is in sliding connection with the inner wall of the limiting groove, a reciprocating lead screw (24) is rotatably connected to the upper end of the base (1), a sliding block (23) is fixedly connected to the side wall of the power box shell (19), and the reciprocating lead screw (24) penetrates through the sliding block (23) and is in threaded connection with the sliding block, radiating grooves are formed in two sides of the upper end of the power box shell (19), filter screens (17) are rotatably connected to the inner walls of the two radiating grooves, arc-shaped blocks (18) are fixedly connected to the inner walls of the radiating grooves on the same side, the arc-shaped blocks (18) are abutted against and matched with the filter screens (17), positioning mechanisms are arranged between the reciprocating screw rods (24) and the two filter screens (17) of the long rods (6), and conical plates (13) are fixedly connected to the upper end of the power box shell (19); the side wall of the base (1) is fixedly connected with an installation block (30), the upper end of the installation block (30) is fixedly connected with a motor (20), the output end of the motor (20) is fixedly connected with a rotating rod, the rotating rod is fixedly connected with a first bevel gear (22), a second bevel gear (21) is fixedly connected onto the reciprocating screw rod (24), and the first bevel gear (22) and the second bevel gear (21) are meshed with each other; the limiting mechanism comprises a first piston (31) which is in sliding connection with the inner wall of the hollow cylinder (27), a first sliding rod (26) is fixedly connected to the upper end of the first piston (31), a first spring (29) is fixedly connected between the first piston (31) and the inner wall of the hollow cylinder (27), a rubber block (25) is fixedly connected to the upper end of the first sliding rod (26), and the rubber block (25) abuts against the inner wall of the hollow groove; the supporting mechanism comprises a square plate (2) fixedly connected with the upper end of the base (1), the outer wall of the square plate (2) is sleeved with and fixedly connected with an inflatable cloth (3), and a guide pipe (28) is fixedly connected between the inflatable cloth (3) and the hollow cylinder (27); the upper end of the square plate (2) is fixedly connected with a first hollow rod (4), an arc-shaped pipe (5) is fixedly connected between the first hollow rod (4) and the inflatable cloth (3), the upper end of the first hollow rod (4) is fixedly connected with two second hollow rods (10), and damping mechanisms are arranged in the two second hollow rods (10); damper includes second piston (32) with the inner wall sliding connection of the hollow pole of second (10), second piston (32) fixedly connected with gag lever post (9), the cover is equipped with second spring (11) on gag lever post (9), gag lever post (9) run through the hollow pole of second (10) and rather than inner wall sliding connection, the hollow pole of second (10) fixedly connected with supports piece (12), support piece (12) and offset with the inner wall of power box shell (19).
2. The electrical engineering power box as claimed in claim 1, characterized in that the positioning mechanism comprises a hollow block (14) fixedly connected with the upper end of the reciprocating screw rod (24) and the long rod (6), the hollow block (14) is slidably connected with a wedge block (16), a third spring (15) is fixedly connected between the wedge block (16) and the hollow block (14), the wedge block (16) is slidably connected with the inner wall of the hollow block (14), and the wedge block (16) abuts against the outer wall of the filter screen (17).
3. The power engineering box according to claim 1, wherein four supporting legs (8) are fixedly connected to the lower end of the base (1), and friction pads are fixedly connected to the lower ends of the four supporting legs (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110865920.XA CN113394687B (en) | 2021-07-29 | 2021-07-29 | High-voltage power engineering power box with protection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110865920.XA CN113394687B (en) | 2021-07-29 | 2021-07-29 | High-voltage power engineering power box with protection function |
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| CN113394687A CN113394687A (en) | 2021-09-14 |
| CN113394687B true CN113394687B (en) | 2022-05-17 |
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| CN202110865920.XA Active CN113394687B (en) | 2021-07-29 | 2021-07-29 | High-voltage power engineering power box with protection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113950218A (en) * | 2021-09-22 | 2022-01-18 | 朱志辰 | Die-casting aluminum box |
| CN118016404B (en) * | 2024-04-09 | 2024-06-04 | 长春职业技术学院 | Uniform temperature transformer with bionic honeycomb surface |
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| CN209169698U (en) * | 2019-01-09 | 2019-07-26 | 广州华御电气设备有限公司 | A kind of inflatable switchgear |
| CN111181016A (en) * | 2019-11-15 | 2020-05-19 | 纪发展 | Outdoor waterproof power cabinet |
| CN211377286U (en) * | 2019-12-10 | 2020-08-28 | 南京特玛亨能源科技有限公司 | Household photovoltaic combined net cage with dustproof function |
| CN211405152U (en) * | 2020-03-11 | 2020-09-01 | 福建腾力电力发展有限公司 | Can rise high block terminal that is used for dampproofing dehumidification |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6661306B2 (en) * | 2015-08-28 | 2020-03-11 | トキコシステムソリューションズ株式会社 | Hydrogen gas filling equipment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209169698U (en) * | 2019-01-09 | 2019-07-26 | 广州华御电气设备有限公司 | A kind of inflatable switchgear |
| CN111181016A (en) * | 2019-11-15 | 2020-05-19 | 纪发展 | Outdoor waterproof power cabinet |
| CN211377286U (en) * | 2019-12-10 | 2020-08-28 | 南京特玛亨能源科技有限公司 | Household photovoltaic combined net cage with dustproof function |
| CN211405152U (en) * | 2020-03-11 | 2020-09-01 | 福建腾力电力发展有限公司 | Can rise high block terminal that is used for dampproofing dehumidification |
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