CN107588018A - A kind of smoke exhaust fan - Google Patents
A kind of smoke exhaust fan Download PDFInfo
- Publication number
- CN107588018A CN107588018A CN201710961560.7A CN201710961560A CN107588018A CN 107588018 A CN107588018 A CN 107588018A CN 201710961560 A CN201710961560 A CN 201710961560A CN 107588018 A CN107588018 A CN 107588018A
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- CN
- China
- Prior art keywords
- battery
- battery bag
- exhaust fan
- drive device
- smoke exhaust
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of smoke exhaust fan, including support body, drive device and the impeller being arranged in support body, the output end of drive device is connected with power transmission shaft, the output end of drive device and the junction of power transmission shaft are arranged in protection shell, the other end of power transmission shaft stretches out protection shell and is connected with impeller attachment means, impeller is arranged in impeller attachment means, drive device passes through circuit and control circuit, electric power generating composition loop, power supply is H battery bag, fixed seat corresponding with battery bag is provided with support body, battery bag is arranged in fixed seat in which can shirk, battery bag is connected with control circuit and can controlled by control circuit respectively switches to drive device to power, it the advantage is that：Battery bag dismounting and change is convenient, and battery bag makes this smoke exhaust fan to connect external power source, easy to carry；Control circuit can detect the working condition of battery bag, when a battery bag electric energy exhaust or damage can not power when, can be switched at once another battery bag to motor power, ensure smoke exhaust fan normal work.
Description
Technical field
The present invention relates to blower fan manufacture technology field, a kind of especially smoke exhaust fan that can be used for smoke evacuation.
Background technology
A kind of existing Patent No. CN201320484201.4 is entitled《A kind of Novel firefighting fume extractor》China it is real
A kind of Novel firefighting fume extractor is disclosed with new patent, it is related to fire-fighting domain, and main smoke discharging blower fan is arranged on the upper of base
Side, the both sides of base are arranged with telescope support, and the outer end of two telescope supports is connected with secondary smoke exhaust fan respectively, the bottom of base
Portion is connected with crane, and the outer wall of main smoke discharging blower fan and secondary smoke exhaust fan is uniformly provided with several spotlights, and camera is arranged on poly-
Between light lamp, the lower section of main smoke discharging blower fan is provided with several fire extinguisher canvas hoses.It is simple in construction, easy to operate, can multi-faceted absorption cigarette
Dirt, and the situation below flue dust can be observed by spotlight and camera, rescue difficulty is reduced, improves rescue efficiency.However, should
Device movement is inconvenient, and battery altering is inconvenient, and using effect is undesirable, therefore the structure of the device also needs further to improve.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of portable smoke evacuation for above-mentioned state of the art
Blower fan, the battery altering of this blower fan is convenient, can switch in time when a cell damage, ensures blower fan normal work, uses effect
Fruit is good.
Technical scheme is used by the present invention solves above-mentioned technical problem：This smoke exhaust fan, including support body, drive device
With the impeller being arranged in support body, the output end of drive device is connected with one end of power transmission shaft, the output end of drive device with
The junction of power transmission shaft is arranged in protection shell, and the other end of the power transmission shaft stretches out protection shell and impeller attachment means phase
Connection, the impeller are arranged in impeller attachment means, and the drive device is returned by circuit and control circuit, electric power generating composition
Road, it is characterised in that：The power supply is H battery bag, and fixed seat corresponding with battery bag, the electricity are provided with the support body
Pond bag is arranged in fixed seat in which can shirk, and the battery bag is connected with control circuit and can controlled by control circuit respectively cuts
Drive device power supply is changed to, the H is the natural number not less than 2.
As an improvement, be preferably provided with can be T-shaped convex with fixed seat top surface projection phase buckle for the bottom surface of the battery bag
Portion, the top surface of the fixed seat are provided with locating aperture, location-plate are provided with the fixed seat, and one end of the location-plate is stretched
Go out the side mouth of fixed seat, the middle part of the location-plate can be rotatably arranged in fixed seat, the other end of the location-plate
Be provided with positioning convex, the positioning convex stretch out locating aperture and with the underside recess phase buckle of battery bag, positioned at convex
Rise be provided with the fixed seat of bottom can by the jack-up spring that location-plate jacks up upwards, when jacking up one end of location-plate upwards,
Positioning convex is separated with battery bag bottom surface.
As an improvement, the battery bag includes battery case, the battery being arranged in battery case and battery management module,
The air bleeding valve being vented during setting value, the input that can be charged to battery can be reached by air pressure in shell by being provided with the battery case
With the output end of the power Transmission of battery to drive device, the battery can be arranged in parallel by N number of battery pack and formed, Mei Ge electricity
Pond group is in series by M battery, and the battery, input and output end are connected by circuit with battery management module,
The N is the natural number not less than 2, and the M is the natural number not less than 1.
As an improvement, the support body includes that smoke exhaust fan can be mounted the support frame on working face and can relative support frame
The smoke evacuation housing swung up and down, it is provided with the positioner mutually fixed with support frame of housing of discharging fume, institute on the smoke evacuation housing
State impeller to be arranged in smoke evacuation housing with impeller attachment means, the protection shell is connected with the bottom surface for housing of discharging fume.
Further improve, the smoke evacuation housing includes the first cap, the second cap and shell block, first cap and shell block
On be provided with can be by the vent of air, second cap is the connection collar, and the top of the connection collar is provided with energy
With the lug boss of the sidepiece convex edge phase buckle of the first cap, the top surface of the connection collar is arranged at intervals with can be with smoke discharging pipe phase
The connection lug that buckle is fixed.
Further improve, installation cavity, the peace are formed between the sidepiece convex edge of the first cap and the lug boss for connecting the collar
Connecting tube is preferably provided with behaveing affectedly, the bottom surface of one end stretching sidepiece convex edge of the connecting tube is connected with water inlet pipe, institute
The boss for stating the other end stretching connection collar of connecting tube is connected with waterfog head.
Further improve, installation cavity, the peace are formed between the sidepiece convex edge of the first cap and the lug boss for connecting the collar
Connecting line is preferably provided with behaveing affectedly, one end of the connecting line is stretched out sidepiece convex edge and is connected with battery bag, the connection
The boss that the other end of line stretches out the connection collar is connected with LED.
Further improve, the protection shell includes protection cap and protection body, and one end of the power transmission shaft, which is stretched out, to be protected
Protective case lid is connected with impeller attachment means, and the lower surface of the protection cap is provided with connection bulge loop, the connection bulge loop with
The top of protection body is connected, and the containment vessel on the outside of connection bulge loop, which covers, is provided with annular protrusion, is set on the annular protrusion
The connection projection for being rotatedly connected and connecing with support frame is equipped with, the protection cap between annular protrusion and connection bulge loop is connected with shell block
Connect.
As an improvement, the drive device is preferably DC brushless motor, being provided with the control circuit will hand over
Stream electricity is converted to the modular converter of direct current, and the modular converter is connected by power transmission line with DC brushless motor.
As an improvement, the impeller includes vane ring and blade, the spacing with blades is fixed on vane ring
On lateral wall, connection protuberance is provided with the inwall of the vane ring, the impeller attachment means include first clamping plate, the
Second splint and three-ply board, the lower surface of the second clamping plate are provided with the first depressed part, and the upper surface of the three-ply board is set
It is equipped with the second depressed part, what the connection protuberance holding of the vane ring was combined to form in the first depressed part and the second depressed part
In groove, the second clamping plate is connected through hole with being provided with the middle part of three-ply board, and the bottom of the first clamping plate is provided with company
Post is connect, the bottom of the connecting pole is contacted on the boss of power transmission shaft through the connection through hole of second clamping plate and three-ply board,
Connecting pole through hole is provided with the middle part of the connecting pole, the end of the power transmission shaft, which is connected and passed through with connecting pole through hole, to be connected
Key is mutually located.
Compared with prior art, the present invention uses power supply to be provided with for H battery bag on the support body corresponding with battery bag
Fixed seat, the battery bag is arranged in fixed seat in which can shirk, and the battery bag is connected respectively with control circuit and energy
Switch to drive device to power by control circuit control, be the advantages of this structure：Battery bag is removably disposed in fixation
On seat, dismounting and change is convenient, and battery bag makes this smoke exhaust fan to connect external power source, and easy to carry, application is wider；Control
Circuit processed can detect the working condition of battery bag, when a battery bag electric energy exhaust or damage can not power when, can cut at once
Change to another battery bag to power to motor, ensure smoke exhaust fan normal work；The battery of battery bag is arranged on battery case
In, battery case good seal performance, it is not easy to leak electricity, intakes, prevents dust particle, keep out shock, extend the use of battery
Life-span；Battery management module in battery, normal battery operation is can ensure that, also can in time power off, avoid when battery goes wrong
Blower fan damages；Waterfog head and LED are integrated with smoke evacuation housing, waterfog head can spray steam, be advantageous in fire hazard environment
Place temperature is reduced, contributes to rescue to carry out, LED can illuminate working region, and using effect is more preferable.
Brief description of the drawings
Fig. 1 is the stereogram of the embodiment of the present invention；
Fig. 2 is the stereogram of another angle of Fig. 1；
Fig. 3 is Fig. 1 front projection figure；
Fig. 4 is removed in Fig. 3 after drive device and control circuit along the profile of line A-A；
Fig. 5 is Fig. 1 structure decomposition figure；
Fig. 6 is the structure decomposition figure of undecomposed part in Fig. 5；
Fig. 7 is the structure decomposition figure of undecomposed part in Fig. 6；
Fig. 8 is the structure decomposition figure of undecomposed part in Fig. 7；
Fig. 9 is the undecomposed another form of structure decomposition figure in part in Fig. 7；
Figure 10 is structural representation when the first cap and the second cap link together in Fig. 5；
Figure 11 is Figure 10 structure decomposition figure；
Figure 12 is the stereogram of control circuit in Fig. 1；
Figure 13 is the stereogram after the part enclosure that control circuit is removed in Figure 12；
Figure 14 is the connection diagram of battery bag and control circuit in Fig. 1；
Figure 15 is the connection diagram of battery bag and fixed seat in Figure 14；
Figure 16 is Figure 15 structure decomposition figure；
Figure 17 is the structure decomposition figure of another angle of Figure 15；
Figure 18 is the structure decomposition figure of fixed seat in Figure 16；
Figure 19 is Figure 16 further structure decomposition figure；
Figure 20 is the connection diagram of battery in battery bag in Figure 15.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Fig. 1 to Figure 20, the smoke exhaust fan of the present embodiment, including support body and is arranged in support body drive device
Impeller, the output end of drive device are connected with one end of power transmission shaft 3, the output end of drive device and the junction of power transmission shaft 3
It is arranged in protection shell, the other end of the power transmission shaft 3 stretches out protection shell and is connected with impeller attachment means, the impeller
It is arranged in impeller attachment means, the drive device passes through circuit and control circuit 2, electric power generating composition loop, it is characterised in that：
The power supply is H battery bag, is provided with fixed seat 5 corresponding with battery bag on the support body, the battery bag can shirk ground
It is arranged in fixed seat 5, the battery bag is connected with control circuit and can controlled by control circuit respectively switches to driving to fill
Power supply is put, the H is the natural number not less than 2.Whether control circuit can detect drive device in running order, when driving fills
When putting out of service, H battery bag on support body can be charged simultaneously.The bottom surface of battery bag is provided with energy and fixed seat
The T-shaped convex portion 61 of top surface projection phase buckle, the top surface of the fixed seat 5 are provided with locating aperture 51, set in the fixed seat 5
There is location-plate 52, the side mouth of fixed seat 5 is stretched out in one end of the location-plate 52, and the middle part of the location-plate 52 can be rotationally
It is arranged in fixed seat 5, the other end of the location-plate 52 is provided with positioning convex 53, and the positioning convex 53 stretches out positioning and opened
Mouthfuls 51 and with the underside recess phase buckle of battery bag, being provided with the fixed seat 5 of the bottom of positioning convex 53 can be by location-plate
The 52 jack-up springs 54 jacked up upwards, when jacking up one end of location-plate 52 upwards, positioning convex 53 mutually takes off with battery bag bottom surface
From.The battery bag includes battery case 6, the battery being arranged in battery case 6 and battery management module, the battery case
Be provided with 6 can in shell air pressure reach setting value when be vented air bleeding valve 64, can to battery charge input and can be by electricity
The power Transmission in pond is to the output end of drive device, and the battery is arranged in parallel by N number of battery pack and formed, and each battery pack is by M
Individual battery 63 is in series, and the battery, input and output end are connected by circuit with battery management module, the N
For the natural number not less than 2, the M is the natural number not less than 1.When the battery case body temperature of battery bag exceedes the temperature of setting
During number of degrees value, battery management module can automatically cut off power protection battery bag.The end set of control circuit has jointing 60,
For wire through being connected with battery management module from jointing 60, the output end and input are arranged at terminal
In 62.
What the support frame 1 that support body is included that smoke exhaust fan can be mounted on working face was swung up and down with energy relative support frame 1
Discharge fume housing, be provided with the positioner 11 fixed with the phase of support frame 1 of housing of discharging fume on the smoke evacuation housing, the impeller and
Impeller attachment means are arranged in smoke evacuation housing, and the protection shell is connected with the bottom surface for housing of discharging fume.Smoke evacuation housing includes
First cap 12, the second cap 13 and shell block 14, first cap 12 can be by the air drafts of air with being provided with shell block 14
Hole, second cap 13 are the connection collar, and the top of the connection collar is provided with can be with the sidepiece convex edge of the first cap 12
The lug boss 16 of 15 phase buckles, the top surface of the connection collar is arranged at intervals with can be convex with the connection of smoke discharging pipe phase buckle fixation
Ear 17.Installation cavity is formed between the sidepiece convex edge 15 of first cap 12 and the lug boss 16 for connecting the collar, is set in the installation cavity
Connecting tube 18 is equipped with, the bottom surface of one end stretching sidepiece convex edge 15 of the connecting tube 18 is connected with water inlet pipe 19, the connection
The boss that the other end of pipe 18 stretches out the connection collar is connected with waterfog head 10.The sidepiece convex edge 15 of first cap 12 is with being connected
Installation cavity is formed between the lug boss 16 of the collar, connecting line, one end protruding side of the connecting line are provided with the installation cavity
Portion convex edge 15 is connected with battery bag, and the boss of the other end stretching connection collar of the connecting line is connected with LED 21.Institute
Stating protection shell includes protection cap 41 and protection body 4, and one end of the power transmission shaft 3 is stretched out protection cap 41 and is connected with impeller
Device is connected, and the lower surface of the protection cap 41 is provided with connection bulge loop 42, and the connection bulge loop 42 is with protecting body 4
Top is connected, and is provided with annular protrusion 43 on the protection cap 41 in the outside of connection bulge loop 42, is set on the annular protrusion 43
There are the connection projection 44 for being rotatedly connected and connecing with support frame 1, protection cap 41 and shell between annular protrusion 43 and connection bulge loop 42
Seat 14 is connected.The drive device is DC brushless motor, and alternating current can be converted to directly by being provided with the control circuit
The modular converter of electricity is flowed, the modular converter is connected by power transmission line 31 with DC brushless motor.The impeller includes blade
Retainer ring 7 and blade 71, the blade 71 interval are fixed on the lateral wall of vane ring 7, the vane ring 7 it is interior
Connection protuberance 72 is provided with wall, the impeller attachment means include first clamping plate 81, second clamping plate 82 and three-ply board 83, institute
The lower surface for stating second clamping plate 82 is provided with the first depressed part, and the upper surface of the three-ply board 83 is provided with the second depressed part,
The holding of connection protuberance 72 of the vane ring 7 is in the groove 84 that the first depressed part and the second depressed part are combined to form, institute
State second clamping plate 82 and be provided with the middle part of three-ply board 83 and be connected through hole 85, the bottom of the first clamping plate 81 is provided with connection
Post 86, the bottom of the connecting pole 86 are contacted in power transmission shaft 3 through the connection through hole 85 of second clamping plate 82 and three-ply board 83
Boss on, the middle part of the connecting pole 86 is provided with connecting pole through hole 87, end and the connecting pole through hole 87 of the power transmission shaft 3
It is connected and is mutually located by connecting key.Integrated battery management module is set in battery case 6, can be according to different settings
Value realizes the self-protection of battery, and self-management and efficient operation, battery management mould can be also realized according to specific setup parameter
The function that block is realized has：Overcharged voltage is protected, i.e., charging voltage to certain value disconnects charge power supply, realizes protection；Charge excessively stream
Protection, i.e., charging current does not recharge more than certain value, realizes protection；Overdischarge pressure protection, i.e. battery discharge to certain voltage
No longer discharge, realize protection；Overcurrent protection, i.e. battery discharge are no longer discharged more than certain current value, realize protection；Short circuit is protected
Shield, i.e., if short circuit occurs in home loop, battery meeting self-protection, disconnect；Charging temperature is protected, i.e., when charging temperature arrives
Up to certain value, protection is realized, is not recharged；Discharge temp is protected, i.e., when battery discharge temperature reaches certain value, realization is protected,
No longer discharge.
Operation principle：Battery bag can power to drive device, and control circuit can detect the working condition of battery bag, work as battery
When bag electric energy exhausts or damaged, control circuit can switch another battery bag immediately and be powered for drive device, it is ensured that driving dress
Normal work is put, battery bag is arranged in fixed seat, can dismantle, change.
Claims (10)
1. a kind of smoke exhaust fan, including support body, drive device and the impeller being arranged in support body, the output end and biography of drive device
One end of moving axis (3) is connected, and the output end of drive device is arranged in protection shell with the junction of power transmission shaft (3), described
The other end of power transmission shaft (3) stretches out protection shell and is connected with impeller attachment means, and the impeller is arranged on impeller attachment means
In, the drive device passes through circuit and control circuit (2), electric power generating composition loop, it is characterised in that：The power supply is H electricity
Chi Bao, fixed seat (5) corresponding with battery bag is provided with the support body, the battery bag is arranged on fixed seat with shirking
(5) on, the battery bag is connected with control circuit and can controlled by control circuit respectively switches to drive device to power, described
H is the natural number not less than 2.
2. smoke exhaust fan according to claim 1, it is characterised in that：The bottom surface of the battery bag is provided with energy and fixed seat
The T-shaped convex portion (61) of top surface projection phase buckle, the top surface of the fixed seat (5) are provided with locating aperture (51), the fixed seat
(5) location-plate (52) is provided with, the side mouth of fixed seat (5), the location-plate are stretched out in one end of the location-plate (52)
(52) middle part can be rotatably arranged in fixed seat (5), and the other end of the location-plate (52) is provided with positioning convex (53),
The positioning convex (53) stretch out locating aperture (51) and with the underside recess phase buckle of battery bag, under positioning convex (53)
Location-plate can be jacked up by the jack-up spring (54) that location-plate (52) jack up upwards when upward by being provided with the fixed seat (5) in portion
(52) during one end, positioning convex (53) is separated with battery bag bottom surface.
3. smoke exhaust fan according to claim 2, it is characterised in that：The battery bag includes battery case (6), is arranged on
Battery and battery management module in battery case (6), setting can be reached by air pressure in shell by being provided with the battery case (6)
The air bleeding valve (64) that is vented during value, the input that can be charged to battery and can be by the output of the power Transmission of battery to drive device
End, the battery are arranged in parallel by N number of battery pack and formed, and each battery pack is in series by M battery (63), the electricity
Pond, input and output end are connected by circuit with battery management module, and the N is the natural number not less than 2, and the M is
Natural number not less than 1.
4. according to any described smoke exhaust fan in claims 1 to 3, it is characterised in that：The support body includes can be by Smoke
Frame put support frame (1) on working face and can the smoke evacuation housing that swings up and down of relative support frame (1), on the smoke evacuation housing
The positioner (11) for mutually fixing housing of discharging fume with support frame (1) is provided with, the impeller is arranged on impeller attachment means
Discharge fume in housing, the protection shell is connected with the bottom surface for housing of discharging fume.
5. smoke exhaust fan according to claim 4, it is characterised in that：The smoke evacuation housing includes the first cap (12), the
Two caps (13) and shell block (14), first cap (12) can be by the vent of air, institutes with being provided with shell block (14)
The second cap (13) is stated as the connection collar, the top of the connection collar is provided with can be with the sidepiece convex edge of the first cap (12)
(15) lug boss (16) of phase buckle, the top surface of the connection collar are arranged at intervals with the company that can be fixed with smoke discharging pipe phase buckle
Connect lug (17).
6. smoke exhaust fan according to claim 5, it is characterised in that：The sidepiece convex edge (15) of first cap (12) is with being connected
Installation cavity is formed between the lug boss (16) of the collar, connecting tube (18) is provided with the installation cavity, the connecting tube (18)
The bottom surface that sidepiece convex edge (15) are stretched out in one end is connected with water inlet pipe (19), and the other end of the connecting tube (18) stretches out adapter sleeve
The boss of ring is connected with waterfog head (10).
7. smoke exhaust fan according to claim 5, it is characterised in that：The sidepiece convex edge (15) of first cap (12) is with being connected
Installation cavity is formed between the lug boss (16) of the collar, connecting line is provided with the installation cavity, one end of the connecting line is stretched out
Sidepiece convex edge (15) is connected with battery bag, and the other end of the connecting line stretches out the boss and LED (21) phase of the connection collar
Connection.
8. smoke exhaust fan according to claim 5, it is characterised in that：The protection shell includes protection cap (41) with protecting
Protective case body (4), one end of the power transmission shaft (3) are stretched out protection cap (41) and are connected with impeller attachment means, the containment vessel
The lower surface of lid (41) is provided with connection bulge loop (42), and the connection bulge loop (42) is connected with the top of protection body (4), even
Connect and annular protrusion (43) is provided with the protection cap (41) on the outside of bulge loop (42), be provided with and prop up on the annular protrusion (43)
Support (1) is rotatedly connected the connection projection (44) connect, annular protrusion (43) and the protection cap (41) being connected between bulge loop (42)
It is connected with shell block (14).
9. according to any described smoke exhaust fan in claims 1 to 3, it is characterised in that：The drive device is brush DC
Motor, the modular converter that alternating current can be converted to direct current is provided with the control circuit, the modular converter passes through defeated
Electric wire (31) is connected with DC brushless motor.
10. according to any described smoke exhaust fan in claims 1 to 3, it is characterised in that：The impeller includes vane ring
(7) it is fixed on blade (71), blade (71) interval on the lateral wall of vane ring (7), the vane ring (7)
Inwall on be provided with connection protuberance (72), the impeller attachment means include first clamping plate (81), second clamping plate (82) and
Three-ply board (83), the lower surface of the second clamping plate (82) are provided with the first depressed part, the upper surface of the three-ply board (83)
The second depressed part is provided with, connection protuberance (72) holding of the vane ring (7) is in the first depressed part and the second depressed part
In the groove (84) being combined to form, the second clamping plate (82) is connected through hole (85) with being provided with the middle part of three-ply board (83),
The bottom of the first clamping plate (81) is provided with connecting pole (86), the bottom of the connecting pole (86) through second clamping plate (82) with
The connection through hole (85) of three-ply board (83) and contact on the boss of power transmission shaft (3), the middle part of the connecting pole (86) is set
There is a connecting pole through hole (87), the end of the power transmission shaft (3) is connected and mutually fixed by connecting key with connecting pole through hole (87)
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961560.7A CN107588018A (en) | 2017-10-17 | 2017-10-17 | A kind of smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961560.7A CN107588018A (en) | 2017-10-17 | 2017-10-17 | A kind of smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107588018A true CN107588018A (en) | 2018-01-16 |
Family
ID=61053789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710961560.7A Withdrawn CN107588018A (en) | 2017-10-17 | 2017-10-17 | A kind of smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107588018A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210277905A1 (en) * | 2020-03-06 | 2021-09-09 | Chia-Yuan Liu | Direct current brushless fan and drive apparatus |
-
2017
- 2017-10-17 CN CN201710961560.7A patent/CN107588018A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210277905A1 (en) * | 2020-03-06 | 2021-09-09 | Chia-Yuan Liu | Direct current brushless fan and drive apparatus |
| US11572884B2 (en) * | 2020-03-06 | 2023-02-07 | Chia-Yuan Liu | Direct current brushless fan and drive apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180116 |