CN107706780A - A kind of modified electric power cabinet heat radiation mechanism - Google Patents
A kind of modified electric power cabinet heat radiation mechanism Download PDFInfo
- Publication number
- CN107706780A CN107706780A CN201710358676.1A CN201710358676A CN107706780A CN 107706780 A CN107706780 A CN 107706780A CN 201710358676 A CN201710358676 A CN 201710358676A CN 107706780 A CN107706780 A CN 107706780A
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- China
- Prior art keywords
- groove
- fluted disc
- movable part
- empty
- sliding
- 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.)
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Classifications
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
A kind of modified electric power cabinet heat radiation mechanism, including radiating shell and radiating vane, symmetrically fixed arm is provided with before and after radiating shell left end face, multigroup fixing hole is equidistantly provided with fixed arm, the empty through groove that the beginning is provided with radiating shell downwards and is expanded upwards, empty through groove lower end is movably provided with bull stick, radiating vane is arranged on bull stick, peace is provided with the right side of empty through groove connect chamber in radiating shell, bull stick right-hand member is extended to peace and connects in chamber and be installed with the second fluted disc, peace connects the first fluted disc for being also equipped with being connected in chamber with the second fluted disc, peace connects chamber right-hand member and is installed with the first power set, first fluted disc is fixedly connected with the transmission shaft of the first power set.
Description
Technical field
The present invention relates to technical field of electric power, and in particular to a kind of modified electric power cabinet heat radiation mechanism.
Background technology
Electric power cabinet is commonly used in power distribution, and it is mainly used in installing electronic component, due to the electronics in electric power cabinet
Operationally caused heat is higher for element, and cooling mechanism is provided with some electric power cabinets to ensure the electronic component in it
Can normal operation, the cooling mechanism in existing middle electric power cabinet mainly drives radiator fan to rotate by radiating motor, so as to by electricity
Heat discharge in power cabinet reduces temperature, directly couples with radiator fan yet with radiating motor, is tieed up being overhauled to electric power cabinet
During shield, if unexpected motor of opening easily damages to repair and maintenance personnel, and in the shape for meeting burst accident emergency power off
Under state, radiator fan can also be rotated further a period of time due to effect of inertia, and therefore, the cooling mechanism of conventional power cabinet is set
Pattern is excessively simple, and emergency capability is poor, very big potential safety hazard be present.
The content of the invention
It is an object of the invention to provide a kind of modified electric power cabinet heat radiation mechanism, and the above-mentioned of prior art can be overcome to lack
Fall into.
According to the present invention, a kind of modified electric power cabinet heat radiation mechanism of apparatus of the present invention, including radiating shell and radiating
Flabellum, symmetrically fixed arm is provided with before and after the radiating shell left end face, multigroup fixing hole is equidistantly provided with the fixed arm,
The empty through groove that the beginning is provided with the radiating shell downwards and is expanded upwards, the empty through groove lower end, which is movably provided with, to be turned
Bar, the radiating vane are arranged on the bull stick, and being provided with peace on the right side of the empty through groove in the radiating shell connects chamber,
The bull stick right-hand member be extended to it is described peace connect in chamber and be installed with the second fluted disc, it is described peace connect be also equipped with chamber with it is described
The first fluted disc that second fluted disc is connected, the peace connect chamber right-hand member and are installed with the first power set, first fluted disc
It is fixedly connected with the transmission shaft of first power set, upper end is provided with the beginning towards the empty through groove on the left of the empty through groove
Push groove, in the push groove can left and right be moveably mounted left movable part and engagement arm, set in the push groove left end wall
The beginning is equipped with towards the left sliding-rail groove of the push groove, in the left sliding-rail groove can left and right be moveably mounted push pedal, the push pedal
In be provided with the beginning towards the screw of left end, screw thread, which coordinates, in the screw is provided with stud, the stud and is fixedly mounted on institute
The second power set connection in left sliding-rail groove left end wall is stated, the engagement arm left end is installed with inserted sheet, the push groove
The power supply groove being engaged with the inserted sheet is provided with left end wall, anti-loosing device is provided with the power supply groove, it is described anti-loose
Device includes shell fragment and power supply piece, and upper end is provided with the beginning towards the right sliding-rail groove of the empty through groove, institute on the right side of the empty through groove
State in right sliding-rail groove can left and right be moveably mounted right movable part, the left movable part and the right movable part towards the heat emission fan
The intermediate plate that rubs is provided with the end face of leaf, the movement for driving the right movable part to move left and right is additionally provided with the radiating shell
Mechanism.
Further technical scheme, the travel mechanism include being arranged on the upper cunning that the empty through groove upper end and left and right are expanded
Track slot and the groove that leads to for leading to the upper sliding-rail groove and right sliding-rail groove, in the upper sliding-rail groove can left and right be moveably mounted and stretched
Contracting arm, it is described lead to the 3rd fluted disc is movably installed in groove, and the excircle of the 3rd fluted disc is insinuated into the upper cunning
In track slot and right sliding-rail groove, the telescopic arm left end is fixedly connected with the engagement arm, the telescopic arm right-hand member be provided with
The upper toothed chain article that 3rd fluted disc is connected, the right movable part upper end are provided with what is be connected with the 3rd fluted disc
Lower tooth chain.
Further technical scheme, the inserted sheet are electrically connected with first power set.
Further technical scheme, the left movable part is as the distance of right movable part to the radiating vane.
Further technical scheme, is fixedly installed valve jacket between the radiating vane and the bull stick, in the valve jacket
End face is fixedly connected with the bull stick, and outer face is fixedly connected with the radiating vane.
Further technical scheme, the shell fragment left-hand end are fixedly connected with the power supply groove inner left wall, the shell fragment
Right-hand end is fixedly connected with the power supply piece left end face, the power supply piece upper and lower ends and both sides inwall above and below the power supply groove
Activity is connected.
The beneficial effects of the invention are as follows：
1. apparatus of the present invention, in original state, left movable part offsets with the intermediate plate that rubs on right movable part with radiating vane, so as to
It can prevent radiating vane from rotating, meanwhile, inserted sheet separates with power supply groove, and the first power set are in off-position, therefore, can
Prevent from avoiding the power set of accidental activation first, apparatus of the present invention have duplicate protection, can prevent radiating vane from surprisingly being driven
And danger is produced, improve security during repair and maintenance；
2. the second power set can drive left movable part and engagement arm to slide to the left, and engagement arm can drive telescopic arm to slide to the left
It is dynamic, because the 3rd fluted disc is connected with upper toothed chain article and lower tooth chain interoperation, therefore, the 3rd can be driven when telescopic arm slides to the left
Fluted disc rotates counterclockwise, and the 3rd fluted disc can drive right movable part to slide to the right, when left movable part and engagement arm slide to the left
During to high order end, right movable part is fully retracted into right sliding-rail groove, and so as to allow radiating vane to rotate, and now inserted sheet is inserted
Enter into power supply groove, the first power set are in "on" position, after starting the first power set, radiating vane can be driven to carry out
Radiating work；
3. close, stop the first power set, and start the second power set, the driving push pedal of the second power set is slided to the right
It is dynamic, during push pedal is slided to the right, left movable part and engagement arm can be slided to the right, and engagement arm can drive telescopic arm to
Right slip, because the 3rd fluted disc is connected with upper toothed chain article and lower tooth chain interoperation, therefore, it can be driven when telescopic arm slides to the right
3rd fluted disc rotates clockwise, and the 3rd fluted disc can drive right movable part to slide to the left, when on left movable part and right movable part
When the intermediate plate that rubs offsets with radiating vane, stop the second power set, now, due to rubbing, intermediate plate can act on radiating vane, therefore,
Radiating vane can quickly be stopped operating, so as to improve the emergency capability of burst accident, prevent radiating vane from turning due to inertia
It is dynamic that bigger injury is caused to maintainer, meanwhile, inserted sheet departs from power supply groove, and the first power set is in off-position；
4. apparatus of the present invention are simple in construction, easy to use, safe, the emergency capability of burst accident is improved, is substantially reduced
Potential safety hazard.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical scheme of the prior art
The required accompanying drawing used is briefly described in technology description, it should be apparent that, drawings in the following description are only to invent
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of a modification of the present invention type electric power cabinet cooling mechanism.
Structural representation when Fig. 2 is the original state of a modification of the present invention type electric power cabinet cooling mechanism.
Fig. 3 is the left view of a modification of the present invention type electric power cabinet cooling mechanism.
Fig. 4 is the enlarged diagram at " A " place in Fig. 2.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary and accompanying drawing）Disclosed in any feature, except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
As Figure 1-4, a modification of the present invention type electric power cabinet cooling mechanism, including radiating shell 1 and heat emission fan
Leaf 21, symmetrically fixed arm 4 is provided with before and after the left end face of radiating shell 1, multigroup fixation is equidistantly provided with the fixed arm 4
Hole 41, the fixing hole 41 with the fixture in electric power cabinet to be fixedly connected, so as to which the radiating shell 1 is fixed on into electric power
On cabinet inwall, the empty through groove 10 that the beginning is downward and expands upwards is provided with the radiating shell 1, the empty lower end of through groove 10 can
Bull stick 23 is moveably mounted, the radiating vane 21 is arranged on the bull stick 23, and the sky is located in the radiating shell 1
The right side of through groove 10 is provided with peace and connects chamber 11, and the right-hand member of bull stick 23 is extended to the peace and connects in chamber 11 and be installed with the second tooth
Disk 23, the peace connect the first fluted disc 24 for being also equipped with being connected in chamber 11 with second fluted disc 23, and the peace connects chamber 11
Right-hand member is installed with the first power set 26, and the transmission shaft 25 of first fluted disc 24 and first power set 26 is fixed
Connection, the empty left side upper end of through groove 10 are provided with the beginning towards the push groove 12 of the empty through groove 10, and described push can in groove 12
Left and right has been moveably mounted left movable part 34 and engagement arm 35, is provided with the beginning in the push left end wall of groove 12 and is pushed away towards described
Send the left sliding-rail groove 16 of groove 12, in the left sliding-rail groove 16 can left and right be moveably mounted push pedal 33, set in the push pedal 33
There is screw 330 of the beginning towards left end, screw thread, which coordinates, in the screw 330 is provided with stud 32, and the stud 32 is with being fixedly mounted
The second power set 31 in the left left end wall of sliding-rail groove 16 connect, and the left end of engagement arm 35 is installed with inserted sheet
351, described push is provided with the power supply groove 17 being engaged with the inserted sheet 351 in the left end wall of groove 12, is set in the power supply groove 17
There is anti-loosing device, the anti-loosing device includes shell fragment 171 and power supply piece 172, and the empty right side upper end of through groove 10 is set
Have right sliding-rail groove 15 of the beginning towards the empty through groove 10, in the right sliding-rail groove 15 can left and right be moveably mounted right movable part
38, the left movable part 34 and the right movable part 38 are towards being provided with the intermediate plate 37 that rubs, institute on the end face of the radiating vane 21
State the travel mechanism for being additionally provided with radiating shell 1 and driving the right movable part 38 to move left and right.
Valuably, the travel mechanism include being arranged on the upper sliding-rail groove 13 upper end of empty through groove 10 and left and right expanded with
And that leads to the upper sliding-rail groove 13 and right sliding-rail groove 15 leads to groove 14, in the upper sliding-rail groove 13 can left and right be moveably mounted
Telescopic arm 36, it is described lead to the 3rd fluted disc 39 is movably installed in groove 14, and the excircle of the 3rd fluted disc 39 probes into
Into the upper sliding-rail groove 13 and right sliding-rail groove 15, the left end of telescopic arm 36 is fixedly connected with the engagement arm 35, described
The right-hand member of telescopic arm 36 is provided with the upper toothed chain article being connected with the 3rd fluted disc 39, and the right upper end of movable part 38 is provided with
The lower tooth chain being connected with the 3rd fluted disc 39.
Valuably, the inserted sheet 351 is electrically connected with first power set 26, so as in the inserted sheet 351 and institute
Power supply groove 17 is stated when being engaged, first power set 26 be in "on" position, and the inserted sheet 351 and the groove 17 of powering
During separation, first power set 26 are in off-position.
Valuably, the left movable part 34 is as the distance of right movable part 38 to the radiating vane 21, so as in institute
The left movable part 34 and right movable part can be made by stating when left movable part 34 slides with right movable part 38 towards the radiating vane 21
The intermediate plate 37 that rubs on 38 contacts with the radiating vane 21 simultaneously.
Valuably, valve jacket 22 is fixedly installed between the radiating vane 21 and the bull stick 23, the valve jacket 22 is inner
Face is fixedly connected with the bull stick 23, and outer face is fixedly connected with the radiating vane 21, so as to increase the radiating vane
21 stability.
Valuably, the left-hand end of shell fragment 171 is fixedly connected with the power supply inner left wall of groove 17, and the shell fragment 171 is right
Side is fixedly connected with the power supply left end face of piece 172, and the power supply upper and lower ends of piece 172 are with the power supply groove two about 17
Side inwall activity is connected, and may be such that the inserted sheet 351 inserts the power supply groove 17 by the pressure on top surface of the shell fragment 171
When, it is described power supply piece 172 be close to the inserted sheet 351, so as to effectively prevent due to vibration cause power supply piece 172 with it is described
The contact of inserted sheet 351 loosens, and causes the phenomenon generation that loose contact can not be first power set 26 power supply.
During original state, the left movable part 34 is insinuated into the empty through groove 10 with right movable part 38, and the left side
Movable part 34 offsets with the intermediate plate 37 that rubs on right movable part 38 with the radiating vane 21, meanwhile, the inserted sheet 351 and the confession
Electric groove 17 separates, and first power set 26 are in off-position；
In use, first starting second power set 31, second power set 31 drive the stud 32 to rotate, due to
The stud 32 coordinates with the screw thread of push pedal 33, and therefore, the stud 32 can drive the push pedal 33 to slide to the left, described to push away
During plate 33 slides to the left, the left movable part 34 and the engagement arm 35 can be slided to the left, and the engagement arm
35 can drive the telescopic arm 36 to slide to the left, due to the 3rd fluted disc 39 and the upper toothed chain article and lower tooth chain interoperation
Connection, therefore, the telescopic arm 36 can drive the 3rd fluted disc to rotate counterclockwise when sliding to the left, and the 3rd fluted disc can
The right movable part 38 is driven to slide to the right, when the left movable part 34 and the engagement arm 35 slide into high order end to the left
When, stop second power set 31, now, the right movable part 38 is fully retracted into the right sliding-rail groove 15, and institute
State inserted sheet 351 to be inserted into the power supply groove 17, first power set 26 are in "on" position, start first power
After device 26, first power set 26 can drive the bull stick 23 to rotate, so as to the bull stick 23 can drive it is described
Radiating vane 21 rotates, so as to which the heat in electric power cabinet is distributed；
During closing, stop first power set 26, and start second power set 31, second power set 31
The push pedal 33 is driven to slide to the right, can be by the left movable part 34 and described during the push pedal 33 is slided to the right
Engagement arm 35 is slided to the right, and the engagement arm 35 can drive the telescopic arm 36 to slide to the right, due to the 3rd fluted disc 39
It is connected with the upper toothed chain bar and lower tooth chain interoperation, therefore, the telescopic arm 36 can drive the described 3rd when sliding to the right
Fluted disc rotates clockwise, and the 3rd fluted disc can drive the right movable part 38 to slide to the left, when the left movable part 34 with
When the intermediate plate 37 that rubs on right movable part 38 offsets with the radiating vane 21, stop second power set 31, it is now, described
Inserted sheet 351 departs from the power supply groove 17, and first power set 26 is in off-position.
The beneficial effects of the invention are as follows：Apparatus of the present invention are in original state, left movable part and the folder that rubs on right movable part
Piece offsets with radiating vane, so as to prevent radiating vane from rotating, meanwhile, inserted sheet separates with power supply groove, the first power dress
Put and be in off-position, it is therefore possible to prevent avoiding the power set of accidental activation first, apparatus of the present invention have duplicate protection, can
Prevent the unexpected security that danger is produced by driving, improves during repair and maintenance of radiating vane；
Second power set can drive left movable part and engagement arm to slide to the left, and engagement arm can drive telescopic arm to slide to the left
It is dynamic, because the 3rd fluted disc is connected with upper toothed chain article and lower tooth chain interoperation, therefore, the 3rd can be driven when telescopic arm slides to the left
Fluted disc rotates counterclockwise, and the 3rd fluted disc can drive right movable part to slide to the right, when left movable part and engagement arm slide to the left
During to high order end, right movable part is fully retracted into right sliding-rail groove, and so as to allow radiating vane to rotate, and now inserted sheet is inserted
Enter into power supply groove, the first power set are in "on" position, after starting the first power set, radiating vane can be driven to carry out
Radiating work；
During closing, stopping the first power set, and start the second power set, the driving push pedal of the second power set is slided to the right,
During push pedal is slided to the right, left movable part and engagement arm can be slided to the right, and engagement arm can drive telescopic arm to the right
Slide, because the 3rd fluted disc is connected with upper toothed chain article and lower tooth chain interoperation, therefore, when telescopic arm slides to the right can drive the
Three fluted discs rotate clockwise, and the 3rd fluted disc can drive right movable part to slide to the left, when left movable part and rubbing on right movable part
When intermediate plate offsets with radiating vane, stop the second power set, now, intermediate plate can act on radiating vane due to rubbing, therefore, can
Radiating vane is quickly stopped operating, so as to improve the emergency capability of burst accident, prevents radiating vane from being rotated due to inertia
Bigger injury is caused to maintainer, meanwhile, inserted sheet departs from power supply groove, and the first power set is in off-position；
Apparatus of the present invention are simple in construction, easy to use, safe, improve the emergency capability of burst accident, substantially reduce peace
Full hidden danger.
Embodiment described above, only inventing, but invent protection domain be not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should all be covered within the protection domain of invention.Therefore, the protection domain of invention
It should be determined by the scope of protection defined in the claims.
Claims (6)
1. a kind of modified electric power cabinet heat radiation mechanism, including radiating shell and radiating vane, it is characterised in that：The radiation shell
Fixed arm symmetrically is provided with before and after body left end face, is equidistantly provided with multigroup fixing hole on the fixed arm, in the radiating shell
The empty through groove for being provided with the beginning downwards and expanding upwards, the empty through groove lower end are movably provided with bull stick, radiating vane peace
Peace being provided with the right side of empty through groove on bull stick, in radiating shell and connecing chamber, the bull stick right-hand member is extended to peace and connect in chamber simultaneously
The second fluted disc is installed with, the peace connects the first fluted disc for being also equipped with being connected in chamber with the second fluted disc, and peace connects the chamber right side
End is installed with the first power set, and first fluted disc is fixedly connected with the transmission shaft of the first power set, described empty saturating
Upper end is provided with the beginning towards the push groove of empty through groove on the left of groove, push in groove can left and right be moveably mounted left movable part and connect
Close arm, push the left sliding-rail groove that the beginning is provided with groove left end wall towards push groove, in left sliding-rail groove can left and right be moveably mounted
Push pedal, the beginning is provided with the push pedal towards the screw of left end, screw thread, which coordinates, in screw is provided with stud, and stud is with being fixedly mounted
The second power set connection in left sliding-rail groove left end wall, engagement arm left end are installed with inserted sheet, the push groove left end
The power supply groove being engaged with inserted sheet is provided with wall, is provided with anti-loosing device in the power supply groove, the anti-loosing device includes
Shell fragment and power supply piece, upper end is provided with the beginning towards the right sliding-rail groove of empty through groove on the right side of empty through groove, in right sliding-rail groove can left and right it is living
Right movable part, left movable part and right movable part are installed dynamicly towards being provided with the intermediate plate that rubs, radiation shell on the end face of radiating vane
The travel mechanism for driving right movable part to move left and right is additionally provided with body.
A kind of 2. modified electric power cabinet heat radiation mechanism as claimed in claim 1, it is characterised in that：The travel mechanism includes setting
Put the upper sliding-rail groove in the empty through groove upper end and left and right expansion and that leads to sliding-rail groove and right sliding-rail groove on described lead to groove,
In the upper sliding-rail groove can left and right be moveably mounted telescopic arm, it is described lead to the 3rd fluted disc is movably installed in groove, and
The excircle of 3rd fluted disc is insinuated into the upper sliding-rail groove and right sliding-rail groove, the telescopic arm left end and the engagement
Arm is fixedly connected, and the telescopic arm right-hand member is provided with the upper toothed chain article being connected with the 3rd fluted disc, the right movable part
Upper end is provided with the lower tooth chain being connected with the 3rd fluted disc.
A kind of 3. modified electric power cabinet heat radiation mechanism as claimed in claim 1, it is characterised in that：The inserted sheet and described first
Power set are electrically connected with.
A kind of 4. modified electric power cabinet heat radiation mechanism as claimed in claim 1, it is characterised in that：The left movable part and right work
The distance of moving part to the radiating vane is the same.
A kind of 5. modified electric power cabinet heat radiation mechanism as claimed in claim 1, it is characterised in that：The radiating vane with it is described
Valve jacket is fixedly installed between bull stick, the valve jacket inner face is fixedly connected with the bull stick, outer face and the radiating vane
It is fixedly connected.
A kind of 6. modified electric power cabinet heat radiation mechanism as claimed in claim 1, it is characterised in that：The shell fragment left-hand end and institute
State power supply groove inner left wall to be fixedly connected, the shell fragment right-hand end is fixedly connected with the power supply piece left end face, the power supply
Inwall activity in both sides is connected piece upper and lower ends up and down with the power supply groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358676.1A CN107706780A (en) | 2017-05-19 | 2017-05-19 | A kind of modified electric power cabinet heat radiation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358676.1A CN107706780A (en) | 2017-05-19 | 2017-05-19 | A kind of modified electric power cabinet heat radiation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107706780A true CN107706780A (en) | 2018-02-16 |
Family
ID=61169514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710358676.1A Pending CN107706780A (en) | 2017-05-19 | 2017-05-19 | A kind of modified electric power cabinet heat radiation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107706780A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773357Y (en) * | 2004-12-27 | 2006-04-19 | 蒋亮健 | Swinging angle adjusting controller of electric fan |
| CN1796797A (en) * | 2004-12-27 | 2006-07-05 | 蒋亮健 | Control set for adjusting angle of swing of electric fan |
| CN101975178A (en) * | 2010-11-19 | 2011-02-16 | 苏州顶裕节能设备有限公司 | Vertical shaft fan |
| CN202073815U (en) * | 2011-03-08 | 2011-12-14 | 宁波风机有限公司 | Fan braking system |
| CN204680955U (en) * | 2015-05-20 | 2015-09-30 | 孟如苗 | A kind of electric power cabinet from heat radiation |
-
2017
- 2017-05-19 CN CN201710358676.1A patent/CN107706780A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773357Y (en) * | 2004-12-27 | 2006-04-19 | 蒋亮健 | Swinging angle adjusting controller of electric fan |
| CN1796797A (en) * | 2004-12-27 | 2006-07-05 | 蒋亮健 | Control set for adjusting angle of swing of electric fan |
| CN101975178A (en) * | 2010-11-19 | 2011-02-16 | 苏州顶裕节能设备有限公司 | Vertical shaft fan |
| CN202073815U (en) * | 2011-03-08 | 2011-12-14 | 宁波风机有限公司 | Fan braking system |
| CN204680955U (en) * | 2015-05-20 | 2015-09-30 | 孟如苗 | A kind of electric power cabinet from heat radiation |
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Application publication date: 20180216 |
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