CN108089041A - A kind of box of electric energy meter protective device - Google Patents
A kind of box of electric energy meter protective device Download PDFInfo
- Publication number
- CN108089041A CN108089041A CN201711282485.8A CN201711282485A CN108089041A CN 108089041 A CN108089041 A CN 108089041A CN 201711282485 A CN201711282485 A CN 201711282485A CN 108089041 A CN108089041 A CN 108089041A
- Authority
- CN
- China
- Prior art keywords
- babinet
- electric energy
- energy meter
- box
- chamber door
- 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.)
- Granted
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vibration Dampers (AREA)
- Springs (AREA)
Abstract
The invention discloses a kind of box of electric energy meter protective devices, belong to electrical facility technical field.Box of electric energy meter protective device includes batch meter body and response agency, batch meter body includes babinet and chamber door, rotation axis is fixedly installed on babinet, sleeve is fixedly installed on chamber door, response agency includes the first reduction torsion spring and the first damper assembly, (the first back-moving spring respectively with rotation axis and sleeve connection, so that chamber door have compared with body pivot and by openend close trend, first damper assembly includes two the first damping rings, and two the first damping rings are bonded to each other and for limiting velocity of rotation of the chamber door compared with babinet.Box of electric energy meter protective device provided by the invention, automatically chamber door can be automatically closed and closes the openend of babinet, ensure that electric energy meter is in the environment of relative closure, the electric energy meter caused by staff slips up effectively is avoided to be caught in the rain, animal damage etc., effectively extend the service life of the instruments such as electric energy meter.
Description
Technical field
The present invention relates to electrical facility technical fields, and in particular to a kind of box of electric energy meter protective device.
Background technology
Box of electric energy meter is for the totality of measurement instrument and ancillary equipment necessary to measuring electric energy, including electric energy
Table, metering voltage, current transformer and its secondary circuit, electrical energy measurement screen, cabinet, case etc..
In actual use, box of electric energy meter is disposed in natural environment, in order to prevent the damages such as electric energy meter, is needed
The chamber door of batch meter is closed.However, staff can cause because some reasons are forgotten to close chamber door in batch meter
Electric energy meter easily by drench with rain, animal damage etc..
The content of the invention
It is an object of the invention to provide a kind of box of electric energy meter protective devices, enable the chamber door of batch meter body certainly
Dynamic to close, even if staff forgets to close chamber door, chamber door can also close the openend of babinet, it is ensured that electric energy meter is in phase
To in the environment of closing, avoiding drenching with rain, animal damage etc., effectively extend the service life of the instruments such as electric energy meter.
In order to solve the above technical problem, the present invention provides following technical solutions：
A kind of box of electric energy meter protective device, the protective device include batch meter body, and the batch meter body includes case
Body and chamber door, the babinet have the accommodating cavity for accommodating electric energy meter, and the accommodating cavity has openend, the babinet
On be fixedly installed rotation axis, sleeve is fixedly installed on the chamber door, the sleeve is rotatably sheathed on the rotation axis,
So that the openend can be opened or be closed to the chamber door；Response agency is further included, the response agency includes first and resets
Torsional spring and the first damper assembly, the (the first back-moving spring respectively with the rotation axis and sleeve connection so that the chamber door have
Have compared with the body pivot and the trend of closing the openend, first damper assembly includes two first dampings
Ring, one of them described first damping ring and the rotation axis connection, another described first damping ring connect with the sleeve
It connects, two first damping rings are bonded to each other and for limiting velocity of rotation of the chamber door compared with the babinet.
Further, the response agency further includes regulating part, and the regulating part includes adjusting screw rod, adjusting nut and tune
Compression spring is saved, two first damping rings are respectively fixed damping ring and active damping ring, and the fixed damping ring is rigidly connected
In the sleeve, the active damping ring is sheathed on the rotation axis, the rotation along the axially slidable of the rotation axis
Axis passes through the fixed damping ring, and the adjusting screw rod is fixedly installed on the rotation axis, and the adjusting nut is sheathed on described
The adjusting screw rod and adjusting nut is threadedly coupled with the adjusting screw rod, the adjusting nut can be along the adjusting screw rod
It is axially moved and closer or far from the active damping ring, the adjusting compression spring sleeve is arranged on the adjusting screw rod and is respectively held against institute
Adjusting nut and the active damping ring are stated, the active damping ring is pressed in the fixed damping ring by the adjusting nut.
Further, time-delay mechanism is further included, the time-delay mechanism includes fixed part, rotation section, the second reduction torsion spring, silk
Thick stick screws head and the second damper assembly, and the fixed part is fixedly installed on the babinet, and the rotation section is rotatably arranged at
The babinet, second damper assembly include two the second damping rings, and two second damping rings are respectively arranged at described
Fixed part and the opposite side of the rotation section, second damper assembly be bonded to each other and for limit the rotation section compared with
The velocity of rotation of the fixed part, the rotation section are internally provided with driving nut, and the leading screw is arranged in the driving spiral shell
It is female and with the driving nut cooperation, it is described to screw head for the rotation section to be controlled to rotate, be provided on the sleeve multiple
Embedded hole, the multiple embedded hole is along the circumferentially disposed of the sleeve and corresponding with the leading screw, when the rotation section rotates, institute
The axial movement that leading screw can be along the sleeve and the into and out embedded hole are stated, the leading screw enters in the embedded hole
When, the chamber door cannot be compared with the body pivot, when the leading screw departs from the embedded hole, and the chamber door can be compared with
The body pivot.
Further, the time-delay mechanism further includes driving member, described to screw between head and the rotation section by described
Driving member transmission cooperation, the driving member include first bevel gear and second bevel gear, the first bevel gear and the driving
Nut is coaxially disposed and can rotate synchronously, and the second bevel gear is rotatably arranged at the babinet and is bored with described first
Gear drive coordinates, and the head that screws is connected with the second bevel gear and for the second bevel gear to be driven to rotate, described
It screws head to be located inside the accommodating cavity, the head that screws is cylindric.
Further, the circumferential exterior surface for screwing head is provided with anti-skid chequer, and the anti-skid chequer screws head described in
It is axially extending.
Further, removably connected between the time-delay mechanism and the babinet.
Further, the one side of the close chamber door of the babinet is provided with magnetic absorption portion, the magnetic absorption portion
The surrounding of the openend is surrounded on, is acted on and adsorbed by magnetic absorption between the magnetic absorption portion and the chamber door.
Further, the desiccant box for being contained with drier, the desiccant box and the case are provided in the babinet
Body removably connects.
The advantageous effect that is reached of the present invention is：
A kind of box of electric energy meter protective device of the present invention includes batch meter body and response agency, and batch meter body includes case
Body and chamber door are fixedly installed rotation axis on babinet, and sleeve is fixedly installed on chamber door, and response agency includes the first reduction torsion spring
With the first damper assembly, (the first back-moving spring respectively with rotation axis and sleeve connection so that chamber door have compared with body pivot
And the trend for closing openend, the first damper assembly include two the first damping rings, one of them first damping ring is with rotating
Axis connection, another first damping ring and sleeve connection, two the first damping rings are bonded to each other and for limit chamber door opposite
In the velocity of rotation of babinet.
Chamber door can be automatically closed and make the opening of babinet by box of electric energy meter protective device provided by the invention automatically
End seal is closed, it is ensured that electric energy meter is in the environment of relative closure, effectively avoids the electric energy meter caused by staff slips up by rain
Leaching, animal damage etc. effectively extend the service life of the instruments such as electric energy meter.
Description of the drawings
It, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments described in the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram of box of electric energy meter protective device provided in an embodiment of the present invention；
Matching relationship schematic diagram of the response agency with batch meter body that Fig. 2 is Fig. 1；
Matching relationship schematic diagram of the time-delay mechanism with batch meter body that Fig. 3 is Fig. 1；
Fig. 4 is the structure diagram at another visual angle of Fig. 3；
Fig. 5 is the structure diagram of the time-delay mechanism of Fig. 4；
Fig. 6 is the structure diagram of torsional spring.
Reference numeral corresponds to as follows：
10- protective devices；
11- batch meter bodies；12- response agencies；13- time-delay mechanisms；
110- babinets；111- chamber doors；112- rotation axis；113- sleeves；114- embedded holes；The first damper assemblies of 120-；121- tune
Save part；122- adjusting screw rods；123- adjusting nuts；124- adjusts compression spring；130- fixed parts；131- rotation sections；132- leading screws；
133- screws head；The second damper assemblies of 134-；135- driving members；136- drives nut.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
Fig. 1 is the structure diagram of box of electric energy meter protective device provided in an embodiment of the present invention；Fig. 2 is returning for Fig. 1
It answers a pager's call the matching relationship schematic diagram of structure and batch meter body；Fig. 3 is that the time-delay mechanism of Fig. 1 and the matching relationship of batch meter body show
It is intended to；Fig. 4 is the structure diagram at another visual angle of Fig. 3；Fig. 5 is the structure diagram of the time-delay mechanism of Fig. 4；Fig. 6 is
The structure diagram of torsional spring.
Shown in Figure 1, an embodiment of the present invention provides a kind of box of electric energy meter protective device 10, the protective devices
10 include batch meter body 11, response agency 12 and time-delay mechanism 13
Batch meter body 11 includes babinet 110 and chamber door 111.
Babinet 110 has the accommodating cavity for accommodating electric energy meter, and accommodating cavity has openend, fixed on babinet 110
Rotation axis 112 is provided with, sleeve 113 is fixedly installed on chamber door 111, sleeve 113 is rotatably sheathed on rotation axis 112, with
Chamber door 111 is enable to open or closing open end；
The one side of the close chamber door 111 of babinet 110 is provided with magnetic absorption portion, and magnetic absorption portion is surrounded on the surrounding of openend,
It is acted on and adsorbed by magnetic absorption between magnetic absorption portion and chamber door 111.
The desiccant box for being contained with drier is provided in babinet 110, desiccant box is removably connected with babinet 110.
Certainly, magnetic absorption portion and desiccant box etc. can also cancel.
Shown in Figure 2, response agency 12 includes the first reduction torsion spring, the first damper assembly 120 and regulating part 121.
(the first back-moving spring is connected respectively with rotation axis 112 and sleeve 113, so that chamber door 111 has compared with babinet 110
The trend for rotating and closing openend.
First damper assembly 120 includes two the first damping rings, one of them first damping ring is connected with rotation axis 112,
Another first damping ring is connected with sleeve 113, two the first damping rings be bonded to each other and for limit chamber door 111 compared with
The velocity of rotation of babinet 110.
The structure of regulating part 121 may be employed but be not limited to following scheme：Regulating part 121 includes adjusting screw rod 122, adjusts
Nut 123 and adjusting compression spring 124.
Two the first damping rings are respectively fixed damping ring and active damping ring, and fixed damping ring is rigidly connected in sleeve
113, active damping ring is sheathed on rotation axis 112 along the axially slidable of rotation axis 112, and rotation axis 112 is damped through fixed
Ring.
Adjusting screw rod 122 is fixedly installed on rotation axis 112, and adjusting nut 123 is sheathed on adjusting screw rod 122 and adjusting nut
123 are threadedly coupled with adjusting screw rod 122, adjusting nut 123 can along adjusting screw rod 122 axial movement and closer or far from work
Dynamic damping ring adjusts compression spring 124 and is sheathed on adjusting screw rod 122 and is respectively held against adjusting nut 123 and active damping ring, adjusts spiral shell
Active damping ring is pressed in fixed damping ring by mother 123.
Dismountable connection mode may be employed between time-delay mechanism 13 and babinet 110.
It refers to shown in Fig. 3-Fig. 5, time-delay mechanism 13 can be electro-delay system etc., in the present embodiment, time-delay mechanism
13 structure may be employed but be not limited to following scheme：Time-delay mechanism 13 includes fixed part 130, rotation section 131, second resets and turns round
Spring, leading screw 132 screw the first 133, second damper assembly 134 and driving member 135.
Fixed part 130 is fixedly installed on babinet 110, and rotation section 131 is rotatably arranged at babinet 110, the second damping group
Part 134 includes two the second damping rings, and two the second damping rings are respectively arranged at the opposite side of fixed part 130 and rotation section 131,
Second damper assembly 134 is bonded to each other and for limiting velocity of rotation of the rotation section 131 compared with fixed part 130.
Rotation section 131 is internally provided with driving nut 136, and leading screw 132 is arranged in driving nut 136 and with driving nut
136 cooperations, screw first 133 for rotation section 131 to be controlled to rotate, multiple embedded holes 114 are provided on sleeve 113, multiple to be embedded
Hole 114 is along the circumferentially disposed of sleeve 113 and corresponding with leading screw 132.
When rotation section 131 rotates, axial movement that leading screw 132 can be along sleeve 113 and into and out embedded hole 114,
When leading screw 132 is entered in embedded hole 114, chamber door 111 cannot be rotated compared with babinet 110, when leading screw 132 departs from embedded hole 114,
Chamber door 111 can be rotated compared with babinet 110.
It screws to be driven by driving member 135 between first 133 and rotation section 131 and coordinate, driving member 135 includes first bevel gear
And second bevel gear.
First bevel gear is coaxially disposed and can rotate synchronously with driving nut 136, and second bevel gear is rotatably set
Cooperation is driven in babinet 110 and with first bevel gear.
First 133 are screwed to be connected with second bevel gear and for second bevel gear to be driven to rotate, screw first 133 and be located at receiving sky
Intracavitary portion, it is cylindric to screw first 133.
The circumferential exterior surface for screwing first 133 is provided with anti-skid chequer, anti-skid chequer along screw first 133 it is axially extending.
A kind of box of electric energy meter protective device 10 of the present invention includes batch meter body 11 and response agency 12, batch meter
Body 11 includes babinet 110 and chamber door 111, is fixedly installed rotation axis 112 on babinet 110, set is fixedly installed on chamber door 111
Cylinder 113, response agency 12 include the first reduction torsion spring and the first damper assembly 120, (the first back-moving spring respectively with rotation axis 112
It is connected with sleeve 113, so that chamber door 111 has the trend for being rotated compared with babinet 110 and closing openend, the first damping group
Part 120 includes two the first damping rings, one of them first damping ring is connected with rotation axis 112, another first damping ring
It is connected with sleeve 113, two the first damping rings are bonded to each other and for limiting velocity of rotation of the chamber door 111 compared with babinet 110.
Chamber door 111 can be automatically closed and make babinet by box of electric energy meter protective device 10 provided by the invention automatically
110 openend closing, it is ensured that electric energy meter is in the environment of relative closure, effectively avoids the electricity caused by staff slips up
Can table be caught in the rain, animal damage etc., effectively extend the service life of the instruments such as electric energy meter.
In addition, shown in Figure 6, occur multiple torsional springs in the present embodiment, the structure of torsional spring may be employed existing
Technology provides example herein：A piece bar is arranged in a pipe, and torsional spring is located in pipe and is sheathed on bar, the both ends difference of torsional spring
It is fixedly connected with bar and pipe.Torsional spring structure involved in the present embodiment may be employed but be not limited to the example, in the present embodiment
In no longer draw one by one.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the design of the present invention
It is defined with scope, on the premise of design concept of the present invention is not departed from, ordinary skill technical staff is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, claimed skill of the invention
Art content is all documented in technology claim.
Claims (8)
1. a kind of box of electric energy meter protective device, the protective device includes batch meter body（11）, the batch meter body
（11）Including babinet（110）And chamber door（111）, the babinet（110）With for accommodating the accommodating cavity of electric energy meter, the appearance
Cavity of receiving has openend, the babinet（110）On be fixedly installed rotation axis（112）, the chamber door（111）Upper fixed setting
There is sleeve（113）, the sleeve（113）Rotatably it is sheathed on the rotation axis（112）, so that the chamber door（111）It can
Open or close the openend；It is characterized in that：Further include response agency（12）, the response agency（12）It is multiple including first
Position torsional spring and the first damper assembly（120）, first reduction torsion spring respectively with the rotation axis（112）And sleeve（113）Even
It connects, so that the chamber door（111）With compared with the babinet（110）The trend for rotating and closing the openend, it is described
First damper assembly（120）Including two the first damping rings, one of them described first damping ring and the rotation axis（112）Even
It connects, another described first damping ring and the sleeve（113）Connection, two first damping rings are bonded to each other and are used for
Limit the chamber door（111）Compared with the babinet（110）Velocity of rotation.
2. a kind of box of electric energy meter protective device according to claim 1, it is characterised in that：The response agency（12）
Further include regulating part（121）, the regulating part（121）Including adjusting screw rod（122）, adjusting nut（123）With adjusting compression spring
（124）, two first damping rings are respectively that fixed damping ring and active damping ring, the fixed damping ring are rigidly connected in
The sleeve（113）, the active damping ring is along the rotation axis（112）Axially slidable be sheathed on the rotation axis
（112）, the rotation axis（112）Through the fixed damping ring, the adjusting screw rod（122）It is fixedly installed on the rotation axis
（112）, the adjusting nut（123）It is sheathed on the adjusting screw rod（122）And the adjusting nut（123）With the adjusting spiral shell
Bar（122）It is threadedly coupled, the adjusting nut（123）It can be along the adjusting screw rod（122）Axial movement and close or remote
From the active damping ring, the adjusting compression spring（124）It is sheathed on the adjusting screw rod（122）And it is respectively held against the adjusting spiral shell
It is female（123）With the active damping ring, the adjusting nut（123）The active damping ring is pressed in the fixed damping
Ring.
3. a kind of box of electric energy meter protective device according to claim 1, it is characterised in that：Further include time-delay mechanism
（13）, the time-delay mechanism（13）Including fixed part（130）, rotation section（131）, the second reduction torsion spring, leading screw（132）, screw
Head（133）With the second damper assembly（134）, the fixed part（130）It is fixedly installed on the babinet（110）, the rotation section
（131）Rotatably it is arranged at the babinet（110）, second damper assembly（134）Including two the second damping rings, two
Second damping ring is respectively arranged at the fixed part（130）With the rotation section（131）Opposite side, it is described second damping
Component（134）It is bonded to each other and for limiting the rotation section（131）Compared with the fixed part（130）Velocity of rotation, institute
State rotation section（131）Be internally provided with driving nut（136）, the leading screw（132）It is arranged in the driving nut（136）And
With the driving nut（136）Cooperation, it is described to screw head（133）For controlling the rotation section（131）It rotates, the sleeve
（113）On be provided with multiple embedded holes（114）, the multiple embedded hole（114）Along the sleeve（113）It is circumferentially disposed and with
The leading screw（132）It is corresponding, the rotation section（131）During rotation, the leading screw（132）It can be along the sleeve（113）Axis
To movement and the into and out embedded hole（114）, the leading screw（132）Into the embedded hole（114）When interior, the case
Door（111）It cannot be compared with the babinet（110）It rotates, the leading screw（132）Depart from the embedded hole（114）When, the case
Door（111）It can be compared with the babinet（110）It rotates.
4. a kind of box of electric energy meter protective device according to claim 3, it is characterised in that：The time-delay mechanism（13）
Further include driving member（135）, it is described to screw head（133）With the rotation section（131）Between pass through the driving member（135）Transmission
Cooperation, the driving member（135）Including first bevel gear and second bevel gear, the first bevel gear and the driving nut
（136）It is coaxially disposed and can rotate synchronously, the second bevel gear is rotatably arranged at the babinet（110）And with it is described
First bevel gear transmission cooperation, it is described to screw head（133）It is connected with the second bevel gear and for driving the second cone tooth
Wheel rotates, described to screw head（133）It is described to screw head inside the accommodating cavity（133）To be cylindric.
5. a kind of box of electric energy meter protective device according to claim 4, it is characterised in that：It is described to screw head（133）
Circumferential exterior surface be provided with anti-skid chequer, the anti-skid chequer screws head described in（133）It is axially extending.
6. a kind of box of electric energy meter protective device according to claim 4, it is characterised in that：The time-delay mechanism（13）
With the babinet（110）Between removably connect.
7. a kind of box of electric energy meter protective device according to claim 1, it is characterised in that：The babinet（110）'s
Close to the chamber door（111）One side be provided with magnetic absorption portion, the magnetic absorption portion is surrounded on the surrounding of the openend,
The magnetic absorption portion and the chamber door（111）Between pass through magnetic absorption effect absorption.
8. a kind of box of electric energy meter protective device according to claim 1, it is characterised in that：The babinet（110）It is interior
It is provided with the desiccant box for being contained with drier, the desiccant box and the babinet（110）Dismountable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711282485.8A CN108089041B (en) | 2017-12-07 | 2017-12-07 | Electric energy meter metering box protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711282485.8A CN108089041B (en) | 2017-12-07 | 2017-12-07 | Electric energy meter metering box protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108089041A true CN108089041A (en) | 2018-05-29 |
| CN108089041B CN108089041B (en) | 2020-03-31 |
Family
ID=62174211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711282485.8A Expired - Fee Related CN108089041B (en) | 2017-12-07 | 2017-12-07 | Electric energy meter metering box protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108089041B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056388A (en) * | 2019-05-18 | 2019-07-26 | 贵州大学 | A kind of carbon dioxide fire-extinguishing tank protecting frame for coal mine |
| CN111031729A (en) * | 2019-12-31 | 2020-04-17 | 枣庄科技职业学院 | Electromechanical automation control box with adjustable |
| CN112736560A (en) * | 2021-01-11 | 2021-04-30 | 泉州泉港博洋机械设计有限公司 | High-efficient dustproof sealing structure of low-voltage inverter |
| CN114199789A (en) * | 2021-12-12 | 2022-03-18 | 中绿碳测未来(大同)科技有限公司 | High-sensitivity laser spectrum greenhouse gas monitor |
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|---|---|---|---|---|
| CN87105418A (en) * | 1986-06-25 | 1988-05-11 | 佐尔耶克·贝贝克·夫科西克 | The spring hinge of improved band damper |
| CN2495018Y (en) * | 2001-09-27 | 2002-06-12 | 唐苑雯 | Power transformer output terminal protection metering box |
| CN104100159A (en) * | 2013-04-02 | 2014-10-15 | 能诚集团有限公司 | Automatic reset multifunctional hinge |
| CN204238735U (en) * | 2014-11-20 | 2015-04-01 | 国家电网公司 | A kind of family expenses door engine |
| CN205654209U (en) * | 2016-04-27 | 2016-10-19 | 广州艾美网络科技有限公司 | Damping hinge structure |
| CN106556723A (en) * | 2016-11-28 | 2017-04-05 | 国网山东省电力公司蓬莱市供电公司 | A kind of box of electric energy meter preventer |
| CN106645847A (en) * | 2016-12-07 | 2017-05-10 | 国家电网公司 | Electric energy metering box protective device |
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2017
- 2017-12-07 CN CN201711282485.8A patent/CN108089041B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87105418A (en) * | 1986-06-25 | 1988-05-11 | 佐尔耶克·贝贝克·夫科西克 | The spring hinge of improved band damper |
| CN2495018Y (en) * | 2001-09-27 | 2002-06-12 | 唐苑雯 | Power transformer output terminal protection metering box |
| CN104100159A (en) * | 2013-04-02 | 2014-10-15 | 能诚集团有限公司 | Automatic reset multifunctional hinge |
| CN204238735U (en) * | 2014-11-20 | 2015-04-01 | 国家电网公司 | A kind of family expenses door engine |
| CN205654209U (en) * | 2016-04-27 | 2016-10-19 | 广州艾美网络科技有限公司 | Damping hinge structure |
| CN106556723A (en) * | 2016-11-28 | 2017-04-05 | 国网山东省电力公司蓬莱市供电公司 | A kind of box of electric energy meter preventer |
| CN106645847A (en) * | 2016-12-07 | 2017-05-10 | 国家电网公司 | Electric energy metering box protective device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056388A (en) * | 2019-05-18 | 2019-07-26 | 贵州大学 | A kind of carbon dioxide fire-extinguishing tank protecting frame for coal mine |
| CN111031729A (en) * | 2019-12-31 | 2020-04-17 | 枣庄科技职业学院 | Electromechanical automation control box with adjustable |
| CN112736560A (en) * | 2021-01-11 | 2021-04-30 | 泉州泉港博洋机械设计有限公司 | High-efficient dustproof sealing structure of low-voltage inverter |
| CN114199789A (en) * | 2021-12-12 | 2022-03-18 | 中绿碳测未来(大同)科技有限公司 | High-sensitivity laser spectrum greenhouse gas monitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108089041B (en) | 2020-03-31 |
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