CN108952229A - A kind of rain and snow distribution box protection canopy of high-building construction - Google Patents
A kind of rain and snow distribution box protection canopy of high-building construction Download PDFInfo
- Publication number
- CN108952229A CN108952229A CN201811013904.2A CN201811013904A CN108952229A CN 108952229 A CN108952229 A CN 108952229A CN 201811013904 A CN201811013904 A CN 201811013904A CN 108952229 A CN108952229 A CN 108952229A
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- China
- Prior art keywords
- rain
- snow
- distribution box
- protection canopy
- sleet
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
- E04H1/1238—Shelters for engines, e.g. electrical meter housings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of rain and snow distribution box protection canopies of high-building construction, its structure includes rain and sun top plate, protection canopy support frame, protective net, firm banking, anti-theft safety door, distribution box protection canopy passes through rainwater detection device, rain and snow structure cooperates, when encountering rain and snow weather in building construction process, rainwater detection device can detect sleet in time, the energization of rainwater detection device opens the rain-snow guard in rain and snow structure after detection, prevent sleet from being entered inside distribution box the electric appliance generation short-circuit conditions caused in distribution box by protective net is penetrated after wind, the normal work of distribution box in rain and snow weather is effectively guaranteed, the service life of distribution box is extended simultaneously.
Description
Technical field
The present invention relates to a kind of distribution box protection canopies, are a kind of rain and snow distribution boxs of high-building construction particularly
Protection canopy.
Background technique
In modern architecture work progress, electricity consumption is inevitable, in order to manage and distribute electricity consumption, it will usually using matching
Electronic box, distribution box would be normally located near building, the various danger based on construction site, and distribution box itself lacks certain
Safeguard procedures, therefore protection canopy can be arranged in the distribution box on construction site, protect to distribution box, but technology considers not at present
It is enough perfect, it has the disadvantages that distribution box is easy to produce amount of heat at work, in order to facilitate distribution box ventilation and heat, matches
Electronic box protection canopy uses netted or rod-like structure to be protected substantially, and there are larger gaps to be conducive to divulge information for netted or rod-like structure
Heat dissipation, but northern weather is more cold in winter, situation of snowing occurs often, thus distribution box in face of rain and snow weather when
It waits, snowflake lighter weight, sleet is easy to be blown into inside distribution box through protective net by wind, after snowflake touches distribution box
It is influenced that liquefaction reaction occurs by the heat that distribution box generates, causes distribution box to meet water and short circuit phenomenon occurs, shorten distribution box
Service life makes distribution box damage that construction be caused to have a power failure when serious.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of rain and snow distribution box protection canopy of high-building construction.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of high-building construction is used
Rain and snow distribution box protection canopy, structure includes rain and sun top plate, protection canopy support frame, protective net, firm banking, antitheft
Safety door, the firm banking are that rectangular configuration and bolt are fixed on above the ground, the protection canopy support frame vertical welding in
Above firm banking, the anti-theft safety door passes through hinge equipped with two sides respectively and is installed on protection canopy support frame front or so two
End, the protective net is welded at left and right sides of protection canopy support frame and the back side, and the rain and sun top plate is located at protection canopy support
Top of the trellis is simultaneously parallel to each other with firm banking, and the rain and sun top plate is by rainwater detection device, rain and snow structure, top plate main body
Composition, the top plate main body are to show to be closely packed together on rectangular configuration and bottom surface and protection canopy support frame, the rainwater detection
Device is located among top plate body top and is electrically connected with distribution box, and the rain and snow structure sets there are four and is respectively arranged in rain
The surrounding of water detection device.
As a further improvement of the present invention, the rainwater detection device by electrode slice, control panel, electrode slice protective shell,
Sleet collecting tank composition.
As a further improvement of the present invention, the control crab bolt be fixed among top plate body upper surface and with fixation
Pedestal is parallel to each other while being electrically connected with rain and snow structure, and the electrode slice protective shell is hollow, rectangular structure and is located at control panel
Top, the sleet collecting tank are located inside electrode slice protective shell, and the electrode slice sets and is installed on electrode there are two being respectively perpendicular
It is electrically connected at left and right sides of in piece protective shell and with control panel.
As a further improvement of the present invention, the rain and snow structure is passed by the first transmission shaft, sleet radical occlusion device, second
Moving axis, protective cover, iron block slide bar, tension spring, metal block, electromagnetic block composition, the protective cover are that rectangular configuration is nested respectively
In top plate bottom part body, the first transmission shaft right end is closely packed together with second driving shaft left end, and first transmission shaft is left
End nested together respectively with protective cover inner wall with second driving shaft right end, the electromagnetic block set there are two be respectively arranged in protection
It is electrically connected at left and right sides of cover and with control panel, the iron block slide bar is horizontally installed to protective cover inner top, the metal block nesting
In iron block slide bar left end, the tension spring is installed on the right side of metal block between protective cover right end inner wall, and the sleet blocks
Device is distributed in protective cover below iron block slide bar and is closely packed together with the first transmission shaft.
As a further improvement of the present invention, the sleet radical occlusion device by traction rope, rain-snow guard, Self-resetting spring,
Counter weight group is at the traction rope extends through equipped with two and is connected to rain-snow guard left and right ends and wherein one and metal block
It is closely together, another is intertwined with second driving shaft, and the Self-resetting spring is nested in rain-snow guard bottom surface left end,
The clump weight is located at below Self-resetting spring.
As a further improvement of the present invention, the gap between the electrode slice is 3-5cm.
As a further improvement of the present invention, the iron block slide bar is mutually perpendicular to the first transmission shaft, second driving shaft.
As a further improvement of the present invention, between first transmission shaft and second driving shaft there are semicircle gap, because
This fastens with second driving shaft after the first transmission shaft half rotation and second driving shaft is driven to rotate.
As a further improvement of the present invention, the clump weight is iron material matter, and rain-snow guard is environmentally friendly ABS plastic material.
As a further improvement of the present invention, the sleet radical occlusion device is equipped with five pieces, but Self-resetting spring only has four
It is a, Self-resetting spring is fitted without in the sleet radical occlusion device of bottom.
As a further improvement of the present invention, the electromagnetic block is the pole N, and metal block is the pole S, therefore electric under normal circumstances
Magnetic patch and metal block are attracted each other by opposite magnetic fields.
The beneficial effects of the present invention are: distribution box protection canopy is cooperated by rainwater detection device, rain and snow structure, build
It builds when encountering rain and snow weather in work progress, rainwater detection device can detect sleet in time, rainwater detection device after detection
Energization opens the rain-snow guard in rain and snow structure, prevents sleet from being entered inside distribution box and lead through protective net by after wind
It causes the electric appliance in distribution box that short-circuit conditions occur, the normal work of distribution box in rain and snow weather is effectively guaranteed, extends simultaneously
The service life of distribution box.
1, rainwater detection device of the invention is combined with rain and snow structure, when encountering rain and snow weather, sleet descend slowly and lightly to
In sleet collecting tank and two electrode slices is made to be powered, electrode slice energization rear control plate makes electromagnetic block generate opposite magnetic field, metal
Block is pulled metal block to slide along iron block slide bar to other direction by the repulsion post-stretching spring that opposite magnetic fields generate, and sleet hides
Blocking means pull traction rope around the first transmission glides downward, and the first transmission shaft drives second driving shaft to rotate synchronously, at this time
Rain-snow guard is opened, and sleet will not directly be contacted with distribution box, be avoided by being attached on rain-snow guard surface after wind blows
Short circuit occurs for the distribution box water inlet in protection canopy.
2, there are semicircle gaps between the first transmission shaft and second driving shaft of the invention, when the first transmission shaft rotates 180 °
It is fastened afterwards with second driving shaft and second driving shaft is driven to rotate, therefore the traction rope on the left of rain-snow guard is longer, and is matched
The gravity of pouring weight, rain-snow guard run-off the straight to the left, sleet are attached to downward by gravity behind rain-snow guard surface
It slides, sleet is avoided to be deposited on rain-snow guard surface.
3, after rain-snow guard of the invention is opened, Self-resetting spring flicks and makes between rain-snow guard that there are gaps, therefore
Air can be entered in protection canopy by the gap, entered the air for having flowing in protection canopy, guaranteed the distribution in protection canopy
Case can effectively ventilation and heat, extend the service life of distribution box.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the rain and snow distribution box protection canopy of high-building construction of the present invention.
Fig. 2 is the structural schematic diagram that rain and sun top plate of the present invention is overlooked.
Fig. 3 is the structural schematic diagram of rainwater detection device of the present invention.
Fig. 4 is the structural schematic diagram of rain and snow structure side view of the present invention.
Fig. 5 is the structural schematic diagram of A-A in Fig. 4 of the present invention.
Fig. 6 is the structural schematic diagram of sleet radical occlusion device of the present invention.
Fig. 7 is the structural schematic diagram that rain and snow structure of the present invention is faced.
In figure: rain and sun top plate -1, protection canopy support frame -2, protective net -3, firm banking -4, anti-theft safety door -5,
Rainwater detection device -11, rain and snow structure -12, top plate main body -13, electrode slice -111, control panel -112, electrode slice protective shell -
113, sleet collecting tank -114, the first transmission shaft -121, sleet radical occlusion device -122, second driving shaft -123, protective cover -124,
Iron block slide bar -125, tension spring -126, metal block -127, electromagnetic block -128, traction rope-a, rain-snow guard-b, Self-resetting bullet
Spring-c, clump weight-d.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, FIG. 1 to FIG. 7
The structure of the distribution box protection canopy of embodiment of the present invention is schematically shown, With reference to embodiment, further
Illustrate the present invention.
Embodiment
Fig. 1-Fig. 2 is please referred to, the present invention provides a kind of rain and snow distribution box protection canopy of high-building construction, structure
Including rain and sun top plate 1, protection canopy support frame 2, protective net 3, firm banking 4, anti-theft safety door 5, the firm banking 4 is
Rectangular configuration and bolt are fixed on above the ground, and 2 vertical welding of protection canopy support frame is described anti-above firm banking 4
Robber's safety door 5 passes through hinge equipped with two sides respectively and is installed on the positive left and right ends of protection canopy support frame 2, and the protective net 3 welds
In the left and right sides of protection canopy support frame 2 and the back side, the rain and sun top plate 1 be located at the top of protection canopy support frame 2 and with fixation
Pedestal 4 is parallel to each other, and the rain and sun top plate 1 is made of rainwater detection device 11, rain and snow structure 12, top plate main body 13,
The top plate main body 13 is to show to be closely packed together on rectangular configuration and bottom surface and protection canopy support frame 2, the rainwater detection dress
It sets 11 to be located at 13 top center of top plate main body and be electrically connected with distribution box, the rain and snow structure 12 sets there are four and installs respectively
In the surrounding of rainwater detection device 11.
Fig. 2-Fig. 3 is please referred to, the rainwater detection device 11 is by electrode slice 111, control panel 112, electrode slice protective shell
113, sleet collecting tank 114 forms, and 112 bolt of control panel is fixed among 13 upper surface of top plate main body and and firm banking
4 are parallel to each other while being electrically connected with rain and snow structure 12, and the electrode slice protective shell 113 is hollow, rectangular structure and is located at control
The top of plate 112, the sleet collecting tank 114 are located inside electrode slice protective shell 113, and the electrode slice 111 sets that there are two distinguish
It is installed vertically on the left and right sides in electrode slice protective shell 113 and is electrically connected with control panel 112.Between between the electrode slice 111
Gap is 3-5cm.
Fig. 4-Fig. 5 and Fig. 7 are please referred to, the rain and snow structure 12 is by the first transmission shaft 121, sleet radical occlusion device 122,
Two transmission shafts 123, protective cover 124, iron block slide bar 125, tension spring 126, metal block 127, electromagnetic block 128 form, the guarantor
Shield 124 is that rectangular configuration is nested in 13 bottom of top plate main body, 121 right end of the first transmission shaft and second driving shaft respectively
123 left ends are closely packed together, 121 left end of the first transmission shaft and 123 right end of second driving shaft respectively with 124 inner wall of protective cover
It nests together, the electromagnetic block 128 sets that there are two be respectively arranged in the left and right sides of protective cover 124 and be electrically connected with control panel 112
It connects, the iron block slide bar 125 is horizontally installed to 124 inner top of protective cover, and it is left that the metal block 127 is nested in iron block slide bar 125
End, the tension spring 126 are installed between 127 right side of metal block and 124 right end inner wall of protective cover, the sleet radical occlusion device
122 are distributed in 125 lower section of iron block slide bar in protective cover 124 and are closely packed together with the first transmission shaft 121.The iron block slide bar
125 are mutually perpendicular to the first transmission shaft 121, second driving shaft 123.Between first transmission shaft 121 and second driving shaft 123
There are semicircle gaps, therefore fasten after the first 121 half rotation of transmission shaft with second driving shaft 123 and drive second driving shaft
123 rotations.The sleet radical occlusion device 122 is equipped with five pieces, but there are four c, Self-resetting spring, the sleet of bottom is blocked
Self-resetting spring c is fitted without in device 122.The electromagnetic block 128 is the pole N, and metal block 127 is the pole S, therefore in normal condition
Lower electromagnetic block 128 is attracted each other with metal block 127 by opposite magnetic fields.
Please refer to Fig. 4 and Fig. 6, the sleet radical occlusion device 122 by traction rope a, rain-snow guard b, Self-resetting spring c, match
Pouring weight d composition, the traction rope a are extended through equipped with two and are connected to the left and right ends rain-snow guard b and wherein one and metal
Block 127 is closely together, and another is intertwined with second driving shaft 123, and the Self-resetting spring c is nested in rain-snow guard
The bottom surface b left end, the clump weight d are located at below Self-resetting spring c.The clump weight d is iron material matter, and rain-snow guard b is environmental protection
ABS plastic material.
When encountering rain and snow weather, sleet is dropped onto inside the sleet collecting tank 114 in rainwater detection device 11, due to rain
Avenge conductive, therefore two electrode slices 111 are powered, and electrode slice 111 makes electromagnetic block 128 and the production that is powered by control panel 112
Raw opposite magnetic field, electromagnetic block 128 become the pole S from the pole N, therefore electromagnetic block 128 and 127 homopolarity of metal block and mutually exclusive, this
When metal block 127 by 128 repulsion of electromagnetic block along iron block slide bar 125 to the other end slide, simultaneous tension spring 126 contraction matches
Sliding is closed, sleet radical occlusion device 122 pulls traction rope a to move down around the first transmission shaft 121 under gravity at this time,
123 synchronous rotary of second driving shaft, therefore the traction rope a of the left end rain-snow guard b are driven after the first transmission shaft 121 rotates 180 °
Longer, clump weight d pulls rain-snow guard b run-off the straight to the left, and Self-resetting spring c is popped up simultaneously to be made to protect between rain-snow guard b
Certain distance is held, is attached on the surface rain-snow guard b, will not be directly entered in power distribution cabinet, effectively after sleet is blown by wind at this time
Guarantee rain and snow weather in distribution box normal work, and rain-snow guard b is oblique, is conducive to sleet landing, avoids generating
Accumulation.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this
The range of invention is indicated by the appended claims rather than the foregoing description, it is intended that the equivalent requirements of the claims will be fallen in
All changes in meaning and scope are included within the present invention.It should not treat any reference in the claims as limitation institute
The claim being related to.
Claims (7)
1. a kind of rain and snow distribution box protection canopy of high-building construction, structure includes rain and sun top plate (1), protection canopy
Support frame (2), protective net (3), firm banking (4), anti-theft safety door (5), it is characterised in that:
The firm banking (4) is rectangular configuration and bolt is fixed on above the ground, protection canopy support frame (2) vertical welding
Above firm banking (4), the anti-theft safety door (5) passes through hinge equipped with two sides respectively and is installed on protection canopy support frame (2)
Positive left and right ends, the protective net (3) is welded at left and right sides of protection canopy support frame (2) and the back side, the rain and sun top
Plate (1) is located at the top of protection canopy support frame (2) and is parallel to each other with firm banking (4)；
The rain and sun top plate (1) is made of rainwater detection device (11), rain and snow structure (12), top plate main body (13), institute
Stating top plate main body (13) is to show to be closely packed together on rectangular configuration and bottom surface and protection canopy support frame (2), the rainwater detection
Device (11) is located at top plate main body (13) top center and is electrically connected with distribution box, the rain and snow structure (12) set there are four and
It is respectively arranged in the surrounding of rainwater detection device (11).
2. a kind of rain and snow distribution box protection canopy of high-building construction according to claim 1, it is characterised in that: institute
Rainwater detection device (11) is stated by electrode slice (111), control panel (112), electrode slice protective shell (113), sleet collecting tank (114)
Composition.
3. a kind of rain and snow distribution box protection canopy of high-building construction according to claim 2, it is characterised in that: institute
State control panel (112) bolt be fixed among top plate main body (13) upper surface and be parallel to each other with firm banking (4) simultaneously with prevent
Sleet structure (12) electrical connection, the electrode slice protective shell (113) is hollow, rectangular structure and is located above control panel (112),
It is internal that the sleet collecting tank (114) is located at electrode slice protective shell (113), and the electrode slice (111) sets that there are two be respectively perpendicular
It is installed on the left and right sides in electrode slice protective shell (113) and is electrically connected with control panel (112).
4. a kind of rain and snow distribution box protection canopy of high-building construction according to claim 3, it is characterised in that: institute
Rain and snow structure (12) is stated by the first transmission shaft (121), sleet radical occlusion device (122), second driving shaft (123), protective cover
(124), iron block slide bar (125), tension spring (126), metal block (127), electromagnetic block (128) composition, the protective cover (124)
It is nested in top plate main body (13) bottom respectively for rectangular configuration, the first transmission shaft (121) right end and second driving shaft (123)
Left end is closely packed together, the first transmission shaft (121) left end and second driving shaft (123) right end respectively with protective cover (124)
Inner wall nests together, and the electromagnetic block (128) sets that there are two be respectively arranged at left and right sides of protective cover (124) and and control panel
(112) it is electrically connected, the iron block slide bar (125) is horizontally installed to protective cover (124) inner top, and the metal block (127) is nested
In iron block slide bar (125) left end, the tension spring (126) is installed on the right side of metal block (127) and in protective cover (124) right end
Between wall, the sleet radical occlusion device (122) is distributed in below the interior iron block slide bar (125) of protective cover (124) and is driven with first
Axis (121) is closely packed together.
5. a kind of rain and snow distribution box protection canopy of high-building construction according to claim 4, it is characterised in that: institute
Sleet radical occlusion device (122) is stated to be made of traction rope (a), rain-snow guard (b), Self-resetting spring (c), clump weight (d), it is described to lead
Messenger (a) be equipped with two extend through be connected to rain-snow guard (b) left and right ends and wherein one be held in metal block (127)
Together, another is intertwined with second driving shaft (123), and the Self-resetting spring (c) is nested in rain-snow guard (b) bottom surface
Left end, the clump weight (d) are located at below Self-resetting spring (c).
6. a kind of rain and snow distribution box protection canopy of high-building construction according to claim 2 or 3, feature exist
In: the gap between the electrode slice (111) is 3-5cm.
7. a kind of rain and snow distribution box protection canopy of high-building construction according to claim 4, it is characterised in that: institute
Iron block slide bar (125) is stated to be mutually perpendicular to the first transmission shaft (121), second driving shaft (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013904.2A CN108952229A (en) | 2018-08-31 | 2018-08-31 | A kind of rain and snow distribution box protection canopy of high-building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013904.2A CN108952229A (en) | 2018-08-31 | 2018-08-31 | A kind of rain and snow distribution box protection canopy of high-building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108952229A true CN108952229A (en) | 2018-12-07 |
Family
ID=64475655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811013904.2A Withdrawn CN108952229A (en) | 2018-08-31 | 2018-08-31 | A kind of rain and snow distribution box protection canopy of high-building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952229A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110574578A (en) * | 2019-09-27 | 2019-12-17 | 钟艺清 | A intelligent flowerpot for outdoor plant cultivation |
| CN110748196A (en) * | 2019-09-20 | 2020-02-04 | 中铁建工集团有限公司 | Block terminal protection canopy for building site safety protection |
| CN111042582A (en) * | 2019-11-20 | 2020-04-21 | 国家电网有限公司 | Equipment material isolation protection device for field maintenance of power grid |
| CN112599000A (en) * | 2020-12-24 | 2021-04-02 | 刘婉秋 | Intelligent-manufactured internet-of-things advertising board capable of automatically keeping off rain in rainy and snowy weather |
| CN112964919A (en) * | 2021-03-22 | 2021-06-15 | 卞栋梁 | Waterproof and antitheft structure for three-phase electric energy meter and use method of waterproof and antitheft structure |
| CN114575631A (en) * | 2022-02-25 | 2022-06-03 | 江苏丰阳建设工程有限公司 | Block terminal protection canopy for building site safety protection |
-
2018
- 2018-08-31 CN CN201811013904.2A patent/CN108952229A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748196A (en) * | 2019-09-20 | 2020-02-04 | 中铁建工集团有限公司 | Block terminal protection canopy for building site safety protection |
| CN110574578A (en) * | 2019-09-27 | 2019-12-17 | 钟艺清 | A intelligent flowerpot for outdoor plant cultivation |
| CN111042582A (en) * | 2019-11-20 | 2020-04-21 | 国家电网有限公司 | Equipment material isolation protection device for field maintenance of power grid |
| CN112599000A (en) * | 2020-12-24 | 2021-04-02 | 刘婉秋 | Intelligent-manufactured internet-of-things advertising board capable of automatically keeping off rain in rainy and snowy weather |
| CN112964919A (en) * | 2021-03-22 | 2021-06-15 | 卞栋梁 | Waterproof and antitheft structure for three-phase electric energy meter and use method of waterproof and antitheft structure |
| CN112964919B (en) * | 2021-03-22 | 2022-09-20 | 北京合众科创科技有限公司 | Waterproof and anti-theft structure for three-phase electric energy meter and use method thereof |
| CN114575631A (en) * | 2022-02-25 | 2022-06-03 | 江苏丰阳建设工程有限公司 | Block terminal protection canopy for building site safety protection |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181207 |
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| WW01 | Invention patent application withdrawn after publication |