CN114992125A - Protection device of new energy automobile electron vacuum pump - Google Patents
Protection device of new energy automobile electron vacuum pump Download PDFInfo
- Publication number
- CN114992125A CN114992125A CN202210618989.7A CN202210618989A CN114992125A CN 114992125 A CN114992125 A CN 114992125A CN 202210618989 A CN202210618989 A CN 202210618989A CN 114992125 A CN114992125 A CN 114992125A
- Authority
- CN
- China
- Prior art keywords
- vacuum pump
- new energy
- energy automobile
- plate
- gear
- 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.)
- Withdrawn
Links
- 210000005056 cell body Anatomy 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 39
- 230000017525 heat dissipation Effects 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 14
- 238000010408 sweeping Methods 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000030279 gene silencing Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 241000883990 Flabellum Species 0.000 claims description 2
- 230000001012 protector Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 241001417527 Pempheridae Species 0.000 description 13
- 239000007921 spray Substances 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2220/00—Application
- F04C2220/10—Vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention provides a protective device of an electronic vacuum pump of a new energy automobile, which comprises: the base, base top both sides are provided with U type cell body that the opening is up respectively, be provided with the dead lever in the U type cell body, the cover is equipped with two sleeves and two first springs on the dead lever, first spring one end and U type cell body coupling, the first spring other end and muffjoint, U type cell body top is provided with the fixed plate, punishment do not articulates the bracing piece that has two symmetries to set up in the middle of the fixed plate both ends bottom, the one end that the fixed plate was kept away from to the bracing piece is articulated with the homonymy sleeve, the fixed plate top is provided with the vacuum pump. The invention aims to provide a protective device of an electronic vacuum pump of a new energy automobile, which has a simple structure and a good vibration reduction effect.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a protective device of an electronic vacuum pump of a new energy automobile.
Background
The electronic vacuum pump is a device which realizes the high-speed rotation of a rotor with a plurality of graphite blades driven by a direct current driving motor and the vacuum pumping, and the work of the electronic vacuum pump is controlled by a vacuum degree sensor according to the vacuum degree. The existing small and medium-sized new energy automobile is provided with a vacuum booster braking system, the principle is that an electronic vacuum pump is adopted for vacuumizing to generate a vacuum source, so that a driver can easily step on the vacuum booster for braking, the electronic vacuum pump is a unique vacuum source generating device, and the reliability requirement is high. The existing electronic vacuum pump is directly installed on a new energy automobile, is rarely installed in a protective device, has poor vibration reduction effect, and easily causes the vibration of the vacuum pump due to the vibration generated in the running process of the automobile, so that a rotor and blades of the vacuum pump are easily damaged.
Disclosure of Invention
Therefore, the invention aims to solve the problems that the protective device in the prior art is poor in vibration reduction effect, and the rotor and the blades of the vacuum pump are easy to damage.
Therefore, the technical scheme is that the invention provides a protective device of an electronic vacuum pump of a new energy automobile, which comprises: the base, base top both sides are provided with U type cell body that the opening is up respectively, be provided with the dead lever in the U type cell body, the cover is equipped with two sleeves and two first springs on the dead lever, first spring one end with U type cell body coupling, the first spring other end with muffjoint, U type cell body top is provided with the fixed plate, punishment do not has the bracing piece that two symmetries set up in the middle of the fixed plate both ends bottom, the bracing piece is kept away from the one end and the homonymy of fixed plate the sleeve is articulated, the fixed plate top is provided with the vacuum pump.
Preferably, the top ends of the two sides of the U-shaped groove body are respectively provided with a second spring in the vertical direction, the bottom end of the second spring is connected with the U-shaped groove body, and the top end of the second spring is connected with the fixing plate.
Preferably, the vacuum pump comprises a driving motor, a shock absorber, a lower cover plate, a cavity, an upper cover plate, a silencing cover and a rotor.
Preferably, a shell is arranged above the base, and the shell is connected with the base through screws.
Preferably, the top end of the fixing plate is provided with an annular limiting plate, the vacuum pump is located in the annular limiting plate, a plurality of screws are arranged on the circumferential side wall of the annular limiting plate at intervals, one end of each screw is provided with a handle, the other end of each screw extends into the annular limiting plate and is connected with the mounting plate, and the screws are in threaded connection with the annular limiting plate.
Preferably, a buffer pad is arranged on the outer wall of one side of the mounting plate, which is close to the vacuum pump.
Preferably, an exhaust hole is formed in one side wall of the shell, an exhaust pipe is arranged in the shell, one end of the exhaust pipe is communicated with the exhaust hole of the vacuum pump, and the other end of the exhaust pipe penetrates through the exhaust hole and extends out of the shell.
Preferably, the fixed plate top is provided with temperature sensor, current sensor, pressure sensor, the fixed plate bottom is provided with controller, wireless transmission subassembly, wave filter, the controller respectively with temperature sensor, current sensor, pressure sensor, wireless transmission subassembly electric connection, the wave filter with current sensor electric connection, wireless transmission subassembly and new energy automobile's alarm system wireless connection.
Preferably, the heat dissipation device further comprises a heat dissipation device, wherein the heat dissipation device comprises: a driving motor, a first crank, a swing rod and a first slide block,
a heat dissipation port is formed in one side wall of the shell, a filter screen is arranged in the heat dissipation port, a connecting rod in the vertical direction is arranged on the inner wall of the top end of the shell, a driving motor is arranged at the bottom end of the connecting rod, an output shaft of the driving motor is connected with one end of a first crank towards the heat dissipation port, one side of the driving motor is provided with a first chute body, one end of the first chute body is connected with the inner wall of one side of the shell, a first sliding block is arranged on the first chute body and can reciprocate on the first chute body, one end, close to the driving motor, of the first sliding block is rotatably connected with a first rotating rod, one end, far away from the driving motor, of the first sliding block is rotatably connected with a second rotating rod, and two ends of the first chute body are respectively provided with a buffer block;
one end of a first rotating rod sequentially penetrates through a first sliding block, a first gear axis and one end of a swinging rod to be connected with a first cleaning brush, the first rotating rod is fixedly connected with a first gear and the swinging rod respectively, the other end of the swinging rod is rotatably connected with the other end of a first crank, one end of a second rotating rod sequentially penetrates through the first sliding block and the second gear axis to be connected with a second cleaning brush, the second rotating rod is fixedly connected with a second gear, the first gear is meshed with the second gear, the first rotating rod and the other end of the second rotating rod are respectively provided with a first rotating plate, a plurality of first fan blades are arranged on the circumferential outer wall of the first rotating plate at intervals, the swinging rod is close to an air plate which is arranged on the outer wall of one side of a heat dissipation port, the air plate is close to a third cleaning brush which is arranged on the outer wall of one side of the heat dissipation port, the first cleaning brush, The second sweeper and the third sweeper are respectively contacted with the filter screen.
Preferably, the device further comprises a lubricating and cooling device, wherein the lubricating and cooling device comprises: a motor, a transmission shaft, a fixed gear and a second crank,
the inner wall of the top end of the shell is provided with a motor, an output shaft of the motor is downwards connected with the top end of a vertically arranged transmission shaft, the bottom end of the transmission shaft sequentially penetrates through the axis of a fixed gear, the middle of a connecting rod and the middle of a second chute body to be rotatably connected, the transmission shaft is rotatably connected with the fixed gear, the transmission shaft is fixedly connected with the connecting rod, the fixed gear is fixedly connected with the motor, two ends of the connecting rod are respectively rotatably connected with a third rotating rod in the vertical direction, the top end of the third rotating rod penetrates through the axis of a driven gear and is connected with a second rotating plate, the third rotating rod is fixedly connected with the driven gear, and a plurality of second fan blades are arranged on the circumferential outer wall of the second rotating plate at intervals;
the bottom end of the third rotating rod penetrates through the connecting rod to be connected with one end of a second crank, the other end of the second crank is rotatably connected with a second sliding block, the second sliding block can reciprocate in the second sliding groove body, the two second sliding blocks move in the same direction in the second sliding groove body, a cylinder body is arranged in the middle of the bottom end of the second sliding groove body, a piston is arranged in the cylinder body, piston rods are respectively arranged on two sides of the piston, one end of each piston rod is connected with the piston, the other end of each piston rod extends out of the cylinder body to be connected with the second sliding block, a liquid storage tank is arranged on the outer wall of one side of the second sliding groove body, two ends of the cylinder body are respectively communicated with liquid inlet pipes, one ends of the two liquid inlet pipes, far away from the cylinder body, are communicated with the liquid storage tank, a liquid inlet check valve is arranged on each liquid inlet pipe, and a cavity is arranged in the second sliding block, the bottom end of the second sliding block is provided with a spray head which is communicated with the cavity, one end of a flexible liquid outlet pipe is communicated with the cylinder body, the other end of the flexible liquid outlet pipe is communicated with the cavity, and a liquid outlet one-way valve is arranged on the flexible liquid outlet pipe.
The technical scheme of the invention has the following advantages: the invention provides a protective device of an electronic vacuum pump of a new energy automobile, which comprises: the base, base top both sides are provided with U type cell body that the opening is up respectively, be provided with the dead lever in the U type cell body, the cover is equipped with two sleeves and two first springs on the dead lever, first spring one end and U type cell body coupling, the first spring other end and muffjoint, U type cell body top is provided with the fixed plate, punishment do not articulates the bracing piece that has two symmetries to set up in the middle of the fixed plate both ends bottom, the one end that the fixed plate was kept away from to the bracing piece is articulated with the homonymy sleeve, the fixed plate top is provided with the vacuum pump. The sleeve, the first spring and the support rod are matched for use, so that the vibration of the vacuum pump in the automobile running process is buffered, the phenomenon that the rotor and the blades of the electronic vacuum pump generate noise or are damaged due to the vibration generated in the automobile running process to influence the use of the vacuum pump is avoided, the protective device is simple in structure, convenient to use and good in vibration reduction effect, and the service life of the vacuum pump is prolonged.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a pictorial view of a vacuum pump according to the present invention;
FIG. 3 is an exploded view of a vacuum pump according to the present invention;
FIG. 4 is a schematic view of a monitoring device according to the present invention;
FIG. 5 is a top view of the heat dissipation device of the present invention;
FIG. 6 is a schematic view of the structure of the lubricating and cooling device of the present invention;
FIG. 7 is an enlarged view of the lubricating and cooling device A of the present invention;
wherein, 1-a base, 2-a U-shaped groove body, 3-a fixed rod, 4-a sleeve, 5-a first spring, 6-a fixed plate, 7-a supporting rod, 8-a vacuum pump, 9-a driving motor, 10-a shock absorber, 11-a lower cover plate, 12-a cavity, 13-an upper cover plate, 14-a silencing cover, 15-a rotor, 16-a shell, 17-a ring limiting plate, 18-a screw rod, 19-a handle, 20-a mounting plate, 21-a buffer cushion, 22-an exhaust hole, 23-an exhaust pipe, 24-a temperature sensor, 25-a current sensor, 26-a pressure sensor, 27-a controller, 28-a wireless transmission component, 29-a filter, 30-a second spring and 31-a driving motor, 32-a first crank, 33-a swing rod, 34-a first slide block, 35-a heat dissipation port, 36-a filter screen, 37-a connecting rod, 38-a first slide groove body, 39-a first rotating rod, 40-a second rotating rod, 41-a first gear, 42-a first brush, 43-a second gear, 44-a second brush, 45-a first rotating plate, 46-a first fan blade, 47-a wind plate, 48-a third brush, 49-a buffer block, 50-a motor, 51-a transmission shaft, 52-a fixed gear, 53-a second crank, 54-a connecting rod, 55-a third rotating rod, 56-a driven gear, 57-a second rotating plate, 58-a second fan blade, 59-a second slide block, 60-a cylinder body and 61-a piston, 62-piston rod, 63-liquid storage tank, 64-liquid inlet pipe, 65-liquid inlet one-way valve, 66-cavity, 67-spray head, 68-flexible liquid outlet pipe, 69-liquid outlet one-way valve and 70-second slide groove body.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following description of the preferred embodiments of the present invention with reference to the accompanying drawings is provided, and it should be understood that the preferred embodiments described herein are only for illustrating and explaining the present invention and are not intended to limit the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The embodiment of the invention provides a protection device for an electronic vacuum pump of a new energy automobile, which comprises the following components in percentage by weight as shown in fig. 1: base 1, 1 top both sides of base are provided with U type cell body 2 that the opening faces upward respectively, be provided with dead lever 3 in the U type cell body 2, the cover is equipped with two sleeves 4 and two first springs 5 on the dead lever 3, first spring 5 one end with U type cell body 2 is connected, the first spring 5 other end with sleeve 4 is connected, U type cell body 2 top is provided with fixed plate 6, the department articulates respectively in the middle of 6 both ends bottoms of fixed plate has the bracing piece 7 that two symmetries set up, bracing piece 7 is kept away from the one end and the homonymy of fixed plate 6 sleeve 4 is articulated, 6 tops of fixed plate are provided with vacuum pump 8.
The working principle and the beneficial effects of the technical scheme are as follows: before using vacuum pump 8, install vacuum pump 8 on 6 tops of fixed plate, under the normal condition, two first springs 5 all are in compression state, the whole balanced state that is in of device, when the car travel in-process, when vacuum pump 8 received the vibration, vacuum pump 8 drives fixed plate 6 and reciprocates, drive two bracing piece 7 swings, drive two sleeve 4 reciprocating motion on dead lever 3, it is flexible along dead lever 3 to drive two first springs 5, two first springs 5 cushion the vibration of vacuum pump 8. The sleeve, the first spring and the support rod are matched for use, so that the vibration of the vacuum pump in the automobile running process is buffered, the phenomenon that the rotor and the blades of the electronic vacuum pump generate noise or are damaged due to the vibration generated in the automobile running process to influence the use of the vacuum pump is avoided, the protective device is simple in structure, convenient to use and good in vibration reduction effect, and the service life of the vacuum pump is prolonged.
In one embodiment, the top ends of both sides of the U-shaped groove body 2 are respectively provided with a second spring 30 in the vertical direction, the bottom end of the second spring 30 is connected with the U-shaped groove body 2, and the top end of the second spring 30 is connected with the fixing plate 6.
The working principle and the beneficial effects of the technical scheme are as follows: under initial condition, second spring 30 is in compression state, receives the vibration when moving down when vacuum pump 8 for second spring 30 compresses, plays the effect of buffering, and when vacuum pump 8 rebound, drive second spring 30 and become tensile state by compression state, play the cushioning effect, and second spring 30 cushions the damping to vacuum pump 8, has improved protector's damping effect.
In one embodiment, as shown in fig. 2-3, the vacuum pump 8 includes a driving motor 9, a damper 10, a lower cover plate 11, a cavity 12, an upper cover plate 13, a noise reduction cover 14, and a rotor 15.
The working principle and the beneficial effects of the technical scheme are as follows: the driving motor 9 drives the rotor 15 to rotate in the cavity 12, the rotor 15 forms a working cavity under the action of centrifugal force, air suction and exhaust operation are achieved through rotation of the rotor 15, and then an air suction function is achieved.
In one embodiment, a shell 16 is arranged above the base 1, the shell 16 is connected with the base 1 through screws, the shell 16 is used for protecting the vacuum pump 8 and the vibration damping device, and the shell 16 is convenient to mount and dismount through the screw connection.
In one embodiment, a ring-shaped limiting plate 17 is disposed at the top end of the fixing plate 6, the vacuum pump 8 is located in the ring-shaped limiting plate 17, a plurality of screws 18 are disposed at intervals on the circumferential side wall of the ring-shaped limiting plate 17, a handle 19 is disposed at one end of each screw 18, the other end of each screw 18 extends into the ring-shaped limiting plate 17 to be connected with a mounting plate 20, and the screws 18 are in threaded connection with the ring-shaped limiting plate 17.
The working principle and the beneficial effects of the technical scheme are as follows: when installing vacuum pump 8, place vacuum pump 8 in the annular limiting plate 17 on 6 tops of fixed plate, manual a plurality of handle 19 of rotating in proper order, it is rotatory to drive screw rod 18 and mounting panel 20, through the screw thread transmission between screw rod 18 and the annular limiting plate 17 lateral wall, it moves to its centre of a circle to drive screw rod 18 and mounting panel 20 along annular limiting plate 17 radius, make mounting panel 20 contact with vacuum pump 8, through the fixed vacuum pump 8 of a plurality of mounting panels 20, avoid vacuum pump 8 horizontal migration when the car is gone, produce the collision, cause vacuum pump 8 to damage.
In one embodiment, a cushion 21 is disposed on an outer wall of the mounting plate 20 on a side thereof adjacent to the vacuum pump 8.
The working principle and the beneficial effects of the technical scheme are as follows: the buffer pad 21 plays a role of buffering, and avoids the vacuum pump 8 from being damaged due to the excessive pressure applied by the mounting plate 20.
In one embodiment, an exhaust hole 22 is formed on a side wall of the housing 16, an exhaust pipe 23 is disposed in the housing 16, one end of the exhaust pipe 23 is communicated with the exhaust port of the vacuum pump 8, and the other end of the exhaust pipe 23 extends out of the housing 16 through the exhaust hole 22.
The working principle and the beneficial effects of the technical scheme are as follows: when the vacuum pump 8 exhausts gas, the gas is exhausted through the exhaust pipe 23, and the exhaust hole 22 is used for installing the exhaust pipe 23, so that the exhaust pipe 23 works normally after the casing 16 is installed.
In one embodiment, as shown in fig. 4, a temperature sensor 24, a current sensor 25 and a pressure sensor 26 are disposed at the top end of the fixing plate 6, a controller 27, a wireless transmission assembly 28 and a filter 29 are disposed at the bottom end of the fixing plate 6, the controller 27 is electrically connected to the temperature sensor 24, the current sensor 25, the pressure sensor 26 and the wireless transmission assembly 28, the filter 29 is electrically connected to the current sensor 25, and the wireless transmission assembly 28 is wirelessly connected to an alarm system of a new energy automobile.
The working principle and the beneficial effects of the technical scheme are as follows: temperature sensor 24 is used for monitoring the temperature when vacuum pump 8 moves, current sensor 25 is used for monitoring the current strength when vacuum pump 8 moves, pressure sensor 26 is used for monitoring the pressure of the exhaust gas when vacuum pump 8 moves, wave filter 29 is used for adjusting the electric current, and keep the electric current stable, make things convenient for current sensor 25 to monitor, controller 27 is used for controlling each device operation, wireless transmission subassembly 28 is used for transmitting the data monitoring of each sensor to new energy automobile's control system, make things convenient for the driver to look over, when each sensor monitors the abnormal conditions, wireless transmission subassembly 28 transmits unusual data to alarm system, alarm system sends the police dispatch newspaper, remind the driver to handle.
In one embodiment, as shown in fig. 5, further comprising a heat sink, the heat sink comprising: a driving motor 31, a first crank 32, a swing link 33, a first slide block 34,
a heat dissipation port 35 is arranged on one side wall of the shell 16, a filter screen 36 is arranged in the heat dissipation port 35, a connecting rod 37 in the vertical direction is arranged on the inner wall of the top end of the shell 16, a driving motor 31 is arranged at the bottom end of the connecting rod 37, an output shaft of the driving motor 31 is connected to one end of the first crank 32 toward the heat sink 35, a first chute body 38 is arranged at one side of the driving motor 31, one end of the first chute body 38 is connected with the inner wall of one side of the shell 16, the first slide block 34 is arranged on the first slide groove body 38, the first slide block 34 can reciprocate on the first slide groove body 38, a first rotating rod 39 is rotatably connected to one end of the first sliding block 34 close to the driving motor 31, a second rotating rod 40 is rotatably connected to one end of the first sliding block 34 away from the driving motor 31, and two ends of the first sliding groove body 38 are respectively provided with a buffer block 49;
The working principle and the beneficial effects of the technical scheme are as follows: the heat dissipation port 35 is used for dissipating heat generated by the operation of the vacuum pump 8 and the movement of the protection device, the filter 36 is used for filtering dust, and preventing the operation of the vacuum pump 8 and the protection device from being affected by dust pollution, a large amount of dust is accumulated after the filter 36 is used for a period of time, the driving motor 31 is started to drive the first crank 32 to rotate, the swing rod 33 is driven to swing up and down around the first rotating rod 39 while reciprocating back and forth, the first slider 34 is driven to reciprocate on the first slider body 38, the swing rod 33 drives the first rotating rod 39 to rotate and drives the first gear 41 to rotate, the second gear 43 is driven to rotate through gear meshing transmission between the first gear 41 and the second gear 43, the second rotating rod 40 is driven to rotate, the first rotating rod 39 drives the first scanning brush 42 to rotate, the second rotating rod 40 drives the second scanning brush 44 to rotate, and the first rotating rod 39 and the second rotating rod 40 respectively drive the first fan blade 46 thereon to rotate, through the compound superposition of the movement, the first sweeper 42, the second sweeper 44 and the first fan blade 46 rotate and reciprocate on the first chute body 38 at the same time, the first fan blade 46 blows air flow to blow air for cooling the vacuum pump 8 and the protection device, the air blowing range is enlarged by the movement of the first fan blade 46, and the heat dissipation efficiency is improved; the swing rod 33 drives the air plate 47 and the third sweeper 48 to reciprocate back and forth and swing up and down around the first rotating rod 39, the first sweeper 42, the second sweeper 44 and the third sweeper 48 clean the filter screen 36, the cleaning range is large, the cleaning ranges of the three sweepers are overlapped and are not affected mutually, and the cleaning effect and the cleaning efficiency are improved; the first sliding block 34 intermittently collides with the two buffer blocks 49 to shake off dust accumulated on the first sweeper 42, the second sweeper 44 and the third sweeper 48, so that the three sweepers are kept clean, and the sweeping efficiency is improved; the air plate 47 blows air flow, the three sweeping brushes and the vibrated dust are blown out of the shell 16, the sweeping quality is improved, meanwhile, the air plate 47 blows air to the filter screen 36 for cooling, air circulation inside and outside the shell 16 is accelerated, and the heat dissipation efficiency is improved.
In one embodiment, as shown in fig. 6-7, further comprising a lubrication cooling device, the lubrication cooling device comprising: a motor 50, a transmission shaft 51, a fixed gear 52, a second crank 53,
the inner wall of the top end of the shell 16 is provided with a motor 50, an output shaft of the motor 50 faces downward and is connected with the top end of a vertically arranged transmission shaft 51, the bottom end of the transmission shaft 51 sequentially penetrates through the axis of a fixed gear 52 and the middle of a connecting rod 54 and is rotatably connected with the middle of a second chute body 70, the transmission shaft 51 is rotatably connected with the fixed gear 52, the transmission shaft 51 is fixedly connected with the connecting rod 54, the fixed gear 52 is fixedly connected with the motor 50, two ends of the connecting rod 54 are respectively rotatably connected with a third rotating rod 55 in the vertical direction, the top end of the third rotating rod 55 penetrates through the axis of a driven gear 56 and is connected with a second rotating plate 57, the third rotating rod 55 is fixedly connected with the driven gear 56, and a plurality of second fan blades 58 are arranged on the circumferential outer wall of the second rotating plate 57 at intervals;
the bottom end of the third rotating rod 55 penetrates through the connecting rod 54 to be connected with one end of a second crank 53, the other end of the second crank 53 is rotatably connected with a second sliding block 59, the second sliding block 59 can reciprocate in the second sliding groove body 70, the two second sliding blocks 59 move in the same direction in the second sliding groove body 70, a cylinder body 60 is arranged in the middle of the bottom end of the second sliding groove body 70, a piston 61 is arranged in the cylinder body 60, piston rods 62 are respectively arranged on two sides of the piston 61, one end of each piston rod 62 is connected with the corresponding piston 61, the other end of each piston rod 62 extends out of the cylinder body 60 to be connected with the corresponding second sliding block 59, a liquid storage tank 63 is arranged on the outer wall of one side of the second sliding groove body 70, two ends of the cylinder body 60 are respectively communicated with liquid inlet pipes 64, and one ends, far away from the cylinder body 60, of the two liquid inlet pipes 64 are communicated with the liquid storage tank 63, be provided with feed liquor check valve 65 on the feed liquor pipe 64, be provided with cavity 66 in the second slider 59, second slider 59 bottom is provided with shower nozzle 67, shower nozzle 67 with cavity 66 intercommunication, flexible drain pipe 68 one end with cylinder body 60 intercommunication, the flexible drain pipe 68 other end with cavity 66 intercommunication, be provided with out liquid check valve 69 on the flexible drain pipe 68.
The working principle and the beneficial effects of the technical scheme are as follows: when the vacuum pump 8 is used in a high-temperature environment or a new energy automobile runs for a long time with high power, the temperature inside the vacuum pump 8 and the housing 16 rises rapidly, the motor 50 is started to drive the transmission shaft 51 to rotate, the connecting rod 54 is driven to rotate, the two third rotating rods 55 and the two driven gears 56 are driven to rotate around the transmission shaft 51, the driven gears 56 rotate through gear engagement transmission between the driven gears 56 and the fixed gears 52, the driven gears 56 rotate around the transmission shaft 51 while rotating, the third rotating rods 55 rotate around the transmission shaft 51 while rotating, the second fan blades 58 and the second cranks 53 rotate around the third rotating rods 55 and the transmission shaft 51 while rotating, the second slider 59 rotates around the transmission shaft 51 while rotating around the third rotating rods 55, and the second slider 59 rotates around the transmission shaft 51 while reciprocating in the second chute body 70, the second chute body 70 is intermittently rotated, through the compound superposition of movement, the second slide block 59 intermittently rotates around the transmission shaft 51 while reciprocating in the second chute body 70, the spray head 67 is driven to intermittently rotate around the transmission shaft 51 while reciprocating in the second chute body 70, the piston rod 62 and the piston 61 are driven to reciprocate in the cylinder body 60, because the two second slide blocks 59 move in the same direction in the second chute body 70, when the two second slide blocks 59 move rightwards, the piston 61 moves rightwards in the cylinder body 60, the liquid inlet one-way valve 65 on the left side opens the liquid outlet one-way valve 69 and closes, the liquid in the liquid storage tank 63 enters the cylinder body 60 on the left side of the piston 61 through the liquid inlet pipe 64, the liquid inlet one-way valve 65 on the right side closes the liquid outlet one-way valve 69 and opens, the liquid in the cylinder body 60 on the right side of the piston 61 is sprayed out through the flexible liquid outlet pipe 68, the cavity 66 to the spray head 67 on the right side, when the two second slide blocks 59 move leftwards, the left spray head 67 sprays liquid, the two spray heads 67 alternately spray liquid to cool the vacuum pump 8, lubricate and cool the protective device, ensure the protective device to normally operate, damp the vacuum pump 8 for protection, prolong the service life of the vacuum pump 8, enlarge the spray range of the liquid by the movement of the spray heads 67, and improve the lubrication and cooling efficiency; the two second fan blades 58 blow air flow to further enlarge the spraying range, and meanwhile, the second fan blades 58 blow air to cool the mechanism in the shell 16, so that the evaporation of liquid is accelerated, and the cooling efficiency and the cooling effect are improved; the two spray heads 67 alternately spray liquid, so that the waste of the liquid is reduced, the utilization rate of the liquid is improved, and the use cost of the lubricating and cooling device is reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a protector of new energy automobile electron vacuum pump which characterized in that includes: base (1), base (1) top both sides are provided with U type cell body (2) that the opening faces upward respectively, be provided with dead lever (3) in U type cell body (2), the cover is equipped with two sleeves (4) and two first springs (5) on dead lever (3), first spring (5) one end with U type cell body (2) are connected, the first spring (5) other end with sleeve (4) are connected, U type cell body (2) top is provided with fixed plate (6), the department articulates respectively in the middle of fixed plate (6) both ends bottom has bracing piece (7) that two symmetries set up, bracing piece (7) are kept away from the one end and the homonymy of fixed plate (6) sleeve (4) are articulated, fixed plate (6) top is provided with vacuum pump (8).
2. The protection device of a new energy automobile electron vacuum pump of claim 1, characterized in that, the top of U type cell body (2) both sides is provided with vertical direction second spring (30) respectively, second spring (30) bottom with U type cell body (2) are connected, second spring (30) top with fixed plate (6) are connected.
3. The protection device of the new energy automobile electronic vacuum pump according to claim 1, characterized in that the vacuum pump (8) comprises a driving motor (9), a shock absorber (10), a lower cover plate (11), a cavity (12), an upper cover plate (13), a silencing cover (14) and a rotor (15).
4. The protection device for the new energy automobile electronic vacuum pump according to claim 1, characterized in that a housing (16) is disposed above the base (1), and the housing (16) is connected to the base (1) through screws.
5. The protection device of a new energy automobile electron vacuum pump according to claim 1, characterized in that a ring-shaped limiting plate (17) is arranged on the top end of the fixing plate (6), the vacuum pump (8) is located in the ring-shaped limiting plate (17), a plurality of screws (18) are arranged on the circumferential side wall of the ring-shaped limiting plate (17) at intervals, a handle (19) is arranged at one end of each screw (18), the other end of each screw (18) extends into the ring-shaped limiting plate (17) to be connected with a mounting plate (20), and the screws (18) are in threaded connection with the ring-shaped limiting plate (17).
6. The protection device for the new energy automobile electronic vacuum pump is characterized in that a buffer cushion (21) is arranged on the outer wall of one side, close to the vacuum pump (8), of the mounting plate (20).
7. The protection device for the new energy automobile electronic vacuum pump according to claim 4, characterized in that an exhaust hole (22) is formed in one side wall of the casing (16), an exhaust pipe (23) is arranged in the casing (16), one end of the exhaust pipe (23) is communicated with the exhaust port of the vacuum pump (8), and the other end of the exhaust pipe (23) extends out of the casing (16) through the exhaust hole (22).
8. The protection device of a new energy automobile electron vacuum pump of claim 1, characterized in that, a temperature sensor (24), a current sensor (25), a pressure sensor (26) are provided at the top of the fixed plate (6), a controller (27), a wireless transmission component (28), a filter (29) are provided at the bottom of the fixed plate (6), the controller (27) is respectively electrically connected with the temperature sensor (24), the current sensor (25), the pressure sensor (26), the wireless transmission component (28), the filter (29) is electrically connected with the current sensor (25), and the wireless transmission component (28) is wirelessly connected with the alarm system of the new energy automobile.
9. The protection device for the new energy automobile electronic vacuum pump according to claim 4, further comprising a heat dissipation device, wherein the heat dissipation device comprises: a driving motor (31), a first crank (32), a swing rod (33) and a first slide block (34),
a heat dissipation opening (35) is formed in one side wall of the shell (16), a filter screen (36) is arranged in the heat dissipation opening (35), a connecting rod (37) in the vertical direction is arranged on the inner wall of the top end of the shell (16), a driving motor (31) is arranged at the bottom end of the connecting rod (37), an output shaft of the driving motor (31) faces towards the heat dissipation opening (35) and is connected with one end of a first crank (32), a first sliding groove body (38) is arranged on one side of the driving motor (31), one end of the first sliding groove body (38) is connected with the inner wall of one side of the shell (16), a first sliding block (34) is arranged on the first sliding groove body (38), the first sliding block (34) can reciprocate on the first sliding groove body (38), and one end, close to the driving motor (31), of the first sliding block (34) is rotatably connected with a first rotating rod (39), one end of the first sliding block (34) far away from the driving motor (31) is rotatably connected with a second rotating rod (40), and two ends of the first sliding block body (38) are respectively provided with a buffer block (49);
first pivot pole (39) one end is passed first slider (34), first gear (41) axis, pendulum rod (33) one end in proper order and is connected with first sweeping brush (42), first pivot pole (39) respectively with first gear (41), pendulum rod (33) fixed connection, the pendulum rod (33) other end with first crank (32) other end rotates and is connected, second pivot pole (40) one end is passed first slider (34), second gear (43) axis in proper order and is connected with second sweeping brush (44), second pivot pole (40) with second gear (43) fixed connection, first gear (41) with second gear (43) intermeshing, first pivot pole (39) with the second pivot pole (40) other end is provided with first pivot board (45) respectively, first pivot board (45) circumference outer wall is gone up the interval and is provided with a plurality of first flabellum (46), the swing rod (33) is close to an air plate (47) is arranged on the outer wall of one side of the heat dissipation opening (35), a third sweeping brush (48) is arranged on the outer wall of one side of the heat dissipation opening (35) close to the air plate (47), and the first sweeping brush (42), the second sweeping brush (44) and the third sweeping brush (48) are respectively in contact with the filter screen (36).
10. The protection device for the new energy automobile electronic vacuum pump according to claim 4, further comprising a lubricating and cooling device, wherein the lubricating and cooling device comprises: a motor (50), a transmission shaft (51), a fixed gear (52) and a second crank (53),
be provided with motor (50) on casing (16) top inner wall, the output shaft of motor (50) is connected with transmission shaft (51) top of vertical setting down, transmission shaft (51) bottom passes fixed gear (52) axis, connecting rod (54) centre department and the middle department rotation of second chute body (70) in proper order and is connected, transmission shaft (51) with fixed gear (52) rotate and are connected, transmission shaft (51) with connecting rod (54) fixed connection, fixed gear (52) with motor (50) fixed connection, connecting rod (54) both ends are rotated respectively and are connected with vertical direction's third dwang (55), driven gear (56) axis is passed on third dwang (55) top and is connected with second rotor plate (57), third dwang (55) with driven gear (56) fixed connection, a plurality of second fan blades (58) are arranged on the circumferential outer wall of the second rotating plate (57) at intervals;
the bottom end of the third rotating rod (55) penetrates through the connecting rod (54) to be connected with one end of a second crank (53), the other end of the second crank (53) is connected with a second sliding block (59) in a rotating mode, the second sliding block (59) can reciprocate in the second sliding groove body (70), the two second sliding blocks (59) move in the second sliding groove body (70) in the same direction, a cylinder body (60) is arranged in the middle of the bottom end of the second sliding groove body (70), a piston (61) is arranged in the cylinder body (60), piston rods (62) are arranged on two sides of the piston (61) respectively, one end of each piston rod (62) is connected with the corresponding piston (61), the other end of each piston rod (62) extends out of the cylinder body (60) to be connected with the corresponding second sliding block (59), a liquid storage tank (63) is arranged on the outer wall of one side of the second sliding groove body (70), cylinder body (60) both ends communicate respectively has feed liquor pipe (64), two feed liquor pipe (64) are kept away from the one end of cylinder body (60) with liquid reserve tank (63) intercommunication, be provided with feed liquor check valve (65) on feed liquor pipe (64), be provided with cavity (66) in second slider (59), second slider (59) bottom is provided with shower nozzle (67), shower nozzle (67) with cavity (66) intercommunication, flexible drain pipe (68) one end with cylinder body (60) intercommunication, flexible drain pipe (68) other end with cavity (66) intercommunication, be provided with out liquid check valve (69) on flexible drain pipe (68).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210618989.7A CN114992125A (en) | 2022-06-01 | 2022-06-01 | Protection device of new energy automobile electron vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210618989.7A CN114992125A (en) | 2022-06-01 | 2022-06-01 | Protection device of new energy automobile electron vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114992125A true CN114992125A (en) | 2022-09-02 |
Family
ID=83031125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210618989.7A Withdrawn CN114992125A (en) | 2022-06-01 | 2022-06-01 | Protection device of new energy automobile electron vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114992125A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209212879U (en) * | 2018-12-25 | 2019-08-06 | 淄博干式真空泵有限公司 | A kind of vacuum pump damping device |
| CN110985381A (en) * | 2019-12-22 | 2020-04-10 | 吉林东光奥威汽车制动系统有限公司 | Automobile electric vacuum pump |
| CN211230773U (en) * | 2019-11-05 | 2020-08-11 | 青岛海之隆机械有限公司 | Protection device of new energy automobile electron vacuum pump |
| CN213089341U (en) * | 2020-07-25 | 2021-04-30 | 济南兴鲁医药科技有限公司 | But height-adjusting's vacuum pump damping device |
| CN213892464U (en) * | 2020-11-27 | 2021-08-06 | 陈有伟 | Protection device of new energy automobile electron vacuum pump |
| CN214464772U (en) * | 2021-02-25 | 2021-10-22 | 重庆文勒机械制造有限公司 | Electronic vacuum pump shock absorption support convenient to dock and lock fast |
| CN214616924U (en) * | 2020-12-29 | 2021-11-05 | 山东积高环境工程有限公司 | Air-cooled oilless vacuum pump |
| WO2022000901A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州众创阳光新能源科技有限公司 | Vibration damping device for vacuum pump maintenance |
| CN216642457U (en) * | 2022-01-15 | 2022-05-31 | 惠州市同益尖端新材料科技有限公司 | Water ring vacuum pump |
-
2022
- 2022-06-01 CN CN202210618989.7A patent/CN114992125A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209212879U (en) * | 2018-12-25 | 2019-08-06 | 淄博干式真空泵有限公司 | A kind of vacuum pump damping device |
| CN211230773U (en) * | 2019-11-05 | 2020-08-11 | 青岛海之隆机械有限公司 | Protection device of new energy automobile electron vacuum pump |
| CN110985381A (en) * | 2019-12-22 | 2020-04-10 | 吉林东光奥威汽车制动系统有限公司 | Automobile electric vacuum pump |
| WO2022000901A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州众创阳光新能源科技有限公司 | Vibration damping device for vacuum pump maintenance |
| CN213089341U (en) * | 2020-07-25 | 2021-04-30 | 济南兴鲁医药科技有限公司 | But height-adjusting's vacuum pump damping device |
| CN213892464U (en) * | 2020-11-27 | 2021-08-06 | 陈有伟 | Protection device of new energy automobile electron vacuum pump |
| CN214616924U (en) * | 2020-12-29 | 2021-11-05 | 山东积高环境工程有限公司 | Air-cooled oilless vacuum pump |
| CN214464772U (en) * | 2021-02-25 | 2021-10-22 | 重庆文勒机械制造有限公司 | Electronic vacuum pump shock absorption support convenient to dock and lock fast |
| CN216642457U (en) * | 2022-01-15 | 2022-05-31 | 惠州市同益尖端新材料科技有限公司 | Water ring vacuum pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212210698U (en) | High-stability motor for building | |
| CN115118064B (en) | Power output structure of self-adaptive feedback weak disturbance intelligent sampling equipment | |
| CN113124555B (en) | Energy recovery system for central air conditioner | |
| CN114992125A (en) | Protection device of new energy automobile electron vacuum pump | |
| CN212352045U (en) | Central air conditioning cleaning robot | |
| CN213484646U (en) | Novel heat dissipation shell body for direct current brushless motor | |
| CN218787586U (en) | Noise reduction structure of air conditioner | |
| CN217923298U (en) | Synchronous lifting mechanism for sweeper | |
| CN115696799B (en) | Vehicle remote monitoring device based on OBD | |
| CN217031481U (en) | Room air conditioner with fresh air purification function | |
| CN116146127A (en) | Drilling and dust-falling system and method for highway construction | |
| CN216198813U (en) | Oil-free double-cylinder low-noise air compressor head | |
| CN216894867U (en) | Novel energy-conserving closed circulating water system | |
| CN213016909U (en) | Suspension type centrifugal fan with locking structure | |
| CN212802695U (en) | Waterproof repair engineering gap cleaning device of building | |
| CN113915130A (en) | Air compressor machine with air purification function | |
| CN212318248U (en) | Dust collector for air compressor | |
| CN212130818U (en) | Fluid delivery pump | |
| CN212190227U (en) | Cleaning equipment for recycling and remanufacturing automobile gearbox shell | |
| CN216313711U (en) | Electric power control is with communication management machine that radiating effect is good | |
| CN112994338A (en) | Double-motor device capable of rotating clockwise and anticlockwise synchronously | |
| CN114243999A (en) | Automobile alternating-current generator with silencing ring structure and heat dissipation method thereof | |
| CN217240473U (en) | Motor with noise reduction function | |
| CN217270476U (en) | Outdoor diesel generating set | |
| CN218407948U (en) | Low-noise centrifugal fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220902 |