CN111791669A - Circulating ventilation device for purifying air in carriage - Google Patents
Circulating ventilation device for purifying air in carriage Download PDFInfo
- Publication number
- CN111791669A CN111791669A CN202010708447.XA CN202010708447A CN111791669A CN 111791669 A CN111791669 A CN 111791669A CN 202010708447 A CN202010708447 A CN 202010708447A CN 111791669 A CN111791669 A CN 111791669A
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- Prior art keywords
- carriage
- rotating shaft
- wall
- limiting cylinder
- air
- 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.)
- Pending
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- 238000009423 ventilation Methods 0.000 title description 10
- 230000000670 limiting effect Effects 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000002250 absorbent Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 241001474374 Blennius Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00457—Ventilation unit, e.g. combined with a radiator
- B60H1/00464—The ventilator being of the axial type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00564—Details of ducts or cables of air ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a circulating air interchanger for purifying air in a carriage, which comprises a carriage wall, wherein a hollow groove is formed in the carriage wall, a rotating shaft is rotatably arranged on the upper surface of the carriage wall through a limiting piece, a circulating fan is arranged at the upper end of the rotating shaft, the lower end of the rotating shaft penetrates through the top wall of the hollow groove and extends into the hollow groove, a limiting cylinder is fixedly arranged in the middle of the hollow groove, a coil spring is arranged in the limiting cylinder, one end of the coil spring, close to the limiting cylinder, is fixedly connected with the inner wall of the limiting cylinder, one end of the coil spring, far away from the limiting cylinder, is fixedly connected with a rotating plate, the lower end of the rotating shaft is rotatably connected with the rotating plate, and at. The invention can drive the sealing block to move along a specific path by means of the airflow when the vehicle runs, thereby continuously leading the external fresh air to enter the carriage, gradually realizing the replacement of the air in the carriage and achieving the purpose of purifying the air.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a circulating ventilation device for purifying air in a carriage.
Background
Public transport means occupies an extremely important position in the construction of urban traffic systems, public transport means, subways, electric cars and other transport means bring obvious convenience for people to go out, and when passengers are on a bus and are many, air in the bus is difficult to circulate, wherein the carriage of the bus is small, and peculiar smell is more easily generated in the carriage.
For buses, a common ventilation method is to open windows, but with the increase of air-conditioned vehicles, windows of many buses are installed in a totally-enclosed mode, and the windows cannot be opened in seasons without opening the air-conditioned vehicles, and especially in the rush hours of taking the buses, the air in the buses is the most dirty, so that the sense of the passengers is uncomfortable, and the probability of spreading bacteria and diseases is increased.
Disclosure of Invention
The invention aims to solve the defects that air in a bus is difficult to circulate and especially air in a fully-closed carriage is more dirty in the prior art, and provides a circulating ventilation device for purifying air in the carriage.
In order to achieve the purpose, the invention adopts the following technical scheme:
a circulating air exchange device for purifying air in a carriage comprises a carriage wall, wherein a hollow groove is formed in the carriage wall, a rotating shaft is rotatably arranged on the upper surface of the carriage wall through a limiting part, a circulating fan is arranged at the upper end of the rotating shaft, the lower end of the rotating shaft penetrates through the top wall of the hollow groove and extends into the hollow groove, a limiting cylinder is fixedly arranged in the middle of the hollow groove, a coil spring is arranged in the limiting cylinder, one end, close to the limiting cylinder, of the coil spring is fixedly connected with the inner wall of the limiting cylinder, one end, far away from the limiting cylinder, of the coil spring is fixedly connected with a rotating plate, and the lower end of the rotating shaft is;
the cavity inslot is provided with at least one mechanism of taking a breath, the mechanism of taking a breath includes the sealed tube and slides the sealed piece that sets up in the sealed tube, the one end of sealed piece is passed through the spring and is linked to each other with the lateral wall of sealed tube, the other end of sealed piece passes through the stay cord and links to each other with the commentaries on classics board, the sealed tube intercommunication has intake pipe and blast pipe, the upper end of intake pipe runs through the roof in cavity groove and extends to outside the carriage, the lower extreme of blast pipe runs through the diapire in cavity groove and extends to in the carriage, all install the check valve in intake pipe and the.
Preferably, a stop ring is fixedly arranged on the inner top wall of the hollow groove and is coaxial with the rotating shaft, an elastic ring is arranged on one side, close to the rotating shaft, of the stop ring, a placing groove is formed in the stop ring, an expansion part is arranged in the placing groove, and a liquid inlet communicated with the placing groove is formed in the compartment wall.
Preferably, the lower end of the rotating shaft is fixedly connected with a circular plate, a magnetic block is arranged in the circular plate, a convex groove is formed in the rotating plate, a permanent magnetic plate is embedded at the bottom of the convex groove, and the magnetic poles of the magnetic block and the permanent magnetic plate face opposite directions;
the circulating fan comprises a mounting plate, an annular groove is formed in the mounting plate, an expansion piece is arranged in the annular groove, and a plurality of drainage grooves communicated with the annular groove are formed in the mounting plate.
The invention has the beneficial effects that:
1. through setting up devices such as circulation fan, pivot, commentaries on classics board, can drive the motion along specific route with the help of the air current when the vehicle traveles to make in the outside fresh air continuously gets into the carriage, realize the change of the gaseous in the carriage gradually, reach air-purifying's purpose.
2. Through setting up devices such as check ring, inflation piece, elastic ring, in sleet weather, can stop the pivot with the help of the pressure that produces after the inflation of inflation piece and rotate to make the bottom of sealed piece and intake pipe offset, prevent rivers entering sealed intraductal, avoid rivers from the blast pipe during infiltration carriage.
3. The mutual friction of the sealing block and the sealing pipe can generate certain heat, so that air discharged into a carriage is heated, discomfort caused by airflow in cold weather is reduced, and the temperature of the air is difficult to rise more than ten ℃ quickly because the heat generated by the friction between the sealing block and the sealing pipe is not abundant, so that the discomfort cannot be brought to passengers by a little warm airflow in hot summer.
4. The weight of the seaweed sponge is obviously increased after the seaweed sponge fully absorbs water, so that the rotating shaft can move downwards to promote the circular plate to be separated from the inner wall of the convex groove, the circulating fan is in an idle running state in rainy and snowy weather, and the rotating plate is prevented from rotating.
5. When the vehicle runs, the fan blades of the circulating fan can bear larger pressure caused by airflow by limiting the movement of the circulating fan, and the rotating circulating fan does not have the problem, so the arrangement of the convex groove can effectively protect the circulating fan from being damaged.
Drawings
Fig. 1 is a schematic structural view of an embodiment 1 of a circulating air-exchanging device for purifying air inside a vehicle cabin according to the present invention;
fig. 2 is a schematic structural view of a circulating ventilator for purifying air inside a vehicle cabin according to an embodiment 1 of the present invention, in which a plurality of ventilation mechanisms are used;
fig. 3 is a plan view of a stop ring of the embodiment 1 of the circulation ventilator for purifying air inside a vehicle cabin according to the present invention;
fig. 4 is a schematic structural view of a rotating shaft and a rotating plate part in embodiment 2 of a circulation ventilator for purifying air inside a vehicle cabin according to the present invention.
In the figure: the device comprises a compartment wall 1, a pull rope 2, a sealing block 3, a spring 4, an air inlet pipe 5, a sealing pipe 6, a stop ring 7, a liquid inlet 8, a limiting part 9, a rotating shaft 10, a circulating fan 11, a limiting cylinder 12, a rotating plate 13, a coil spring 14, an air outlet pipe 15, an elastic ring 16, an expansion part 17, an installation plate 18, a drainage groove 19, a circular plate 20, a convex groove 21 and a permanent magnet plate 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-3, a circulating ventilation device for purifying air inside a carriage comprises a carriage wall 1, wherein a hollow groove is formed in the carriage wall 1, a rotating shaft 10 is rotatably mounted on the upper surface of the carriage wall 1 through a limiting piece 9, the limiting piece 9 is a ball bearing, a circulating fan 11 is mounted at the upper end of the rotating shaft 10, the lower end of the rotating shaft 10 penetrates through the top wall of the hollow groove and extends into the hollow groove, a limiting cylinder 12 is fixedly mounted in the middle of the hollow groove, a coil spring 14 is arranged in the limiting cylinder 12, one end, close to the limiting cylinder 12, of the coil spring 14 is fixedly connected with the inner wall of the limiting cylinder 12, one end, far away from the limiting cylinder 12, of the coil spring 14 is fixedly connected with a rotating plate 13, the lower end of the rotating shaft 10 is rotatably connected with the rotating plate 13, a large friction force exists between the rotating shaft 10 and the;
at least one ventilation mechanism is arranged in the hollow groove, the ventilation mechanism comprises a sealing pipe 6 and a sealing block 3 which is arranged in the sealing pipe 6 in a sliding mode, one end of the sealing block 3 is connected with the side wall of the sealing pipe 6 through a spring 4, the other end of the sealing block 3 is connected with a rotating plate 13 through a pull rope 2, when the rotating plate 13 rotates, a part of the pull rope 2 can be wound, so that the sealing block 3 moves along the sealing pipe 6, the spring 4 is in a stretching state, the sealing pipe 6 is communicated with an air inlet pipe 5 and an exhaust pipe 15, the upper end of the air inlet pipe 5 penetrates through the top wall of the hollow groove and extends out of the carriage, the lower end of the exhaust pipe 15 penetrates through the bottom wall of the hollow groove and extends into the carriage, and one-;
the check valve in the air inlet pipe 5 only allows the air outside the carriage to flow into the sealing pipe 6, the check valve in the exhaust pipe 15 only allows the air in the exhaust pipe 15 to flow into the carriage, and when the spring 4 is in a natural state, the sealing block 3 just abuts against the lower end of the air inlet pipe 5 to prevent foreign matters from entering the sealing pipe 6 from the air inlet pipe 5, and in addition, one end of the sealing pipe 6, which is close to the rotating plate 13, is also provided with a communicating pipeline for balancing the air pressure change in the sealing pipe 6.
In this embodiment, a stop ring 7 is fixedly disposed on the inner top wall of the hollow groove, the stop ring 7 is coaxial with the rotating shaft 10, an elastic ring 16 is disposed on one side of the stop ring 7 close to the rotating shaft 10, a placing groove is disposed in the stop ring 7, an expansion member 17 is disposed in the placing groove, and a liquid inlet 8 communicated with the placing groove is disposed on the compartment wall 1.
When the car is used, one side where the circulating fan 11 is located is the outside of the car, the car wall 1 refers to the top wall of the car, when the car runs forwards, the circulating fan 11 always rotates in the same direction, and when the car stops, the circulating fan 11 does not rotate any more;
when the circulating fan 11 starts to rotate, because the rotating plate 13 is sleeved at the lower end of the rotating shaft 10 and a large friction force exists between the rotating plate 13 and the rotating shaft 10, the rotating plate 13 can synchronously rotate along with the rotating shaft 10 so as to wind the pull rope 2, at the moment, the sealing block 3 slides towards the rotating plate 13, air on the left side of the sealing block 3 enters a carriage through a communicating pipeline, and air on the right side of the sealing block 3 is external air supplemented to the sealing pipe 6 by the air inlet pipe 5;
when the rotating plate 13 continues to rotate, the coil spring 14 connected with the rotating plate is also stretched, and when the coil spring 14 is stretched to a limit degree (the limit refers to a range limited by the limiting cylinder 12 and does not refer to a limit of the elastic limit of the coil spring 14), the sealing block 3 just abuts against the side wall of the sealing tube 6, and the rotating plate 13 cannot rotate under the action of the coil spring 14;
when the vehicle decelerates or stops, the force of wind on the circulating fan 11 is weakened, at the moment, the circulating fan 11 is in a free state, the coil spring 14 releases the stored elastic potential energy, the rotating plate 13 rotates reversely, the pull rope 2 wound on the rotating plate 13 is gradually unwound, the sealing block 3 is reset under the action of the spring 4, and in the process, fresh air on the right side of the sealing block 3 enters a carriage through the exhaust pipe 15, so that the circulation of air flow is realized;
the bus can be braked for many times when running and can be temporarily stopped in a platform, so that the rotating plate 13 can frequently rotate forwards and reversely, external fresh air can continuously enter a carriage, the replacement of air in the carriage is gradually realized, the material of the sealing tube 6 can be a wear-resistant metal material, certain heat can be generated in the relative motion process of the sealing block 3 and the sealing tube 6, the air discharged into the carriage is heated, the discomfort caused by airflow in cold weather is reduced, the heat generated by the friction between the sealing block 3 and the sealing tube 6 is insufficient, the temperature of the air is difficult to rapidly rise by more than ten ℃ even if the heat is completely converted into the internal energy of the air, and a little warm airflow can not bring discomfort to passengers in hot summer;
in rainy and snowy days, water flow enters the stop ring 7 from the liquid inlet 8, the expansion piece 17 in the stop ring 7 absorbs water and then expands rapidly, so that the elastic ring 16 is extruded, the elastic ring 16 deforms and is tightly attached to the rotating shaft 10, and the expansion piece 17 also generates pressure perpendicular to the rotating shaft 10 on the rotating shaft 10, so that the rotating shaft 10 cannot rotate, the rotating plate 13 cannot rotate any more, the sealing block 3 abuts against the bottom end of the air inlet pipe 5 to prevent the water flow from entering the sealing pipe 6, the water flow is prevented from permeating into a carriage from the exhaust pipe 15, and when rain does not occur any more, the circulating ventilation function of the device can be recovered after the water in the expansion piece 17 evaporates;
the expansion member 17 can be made of water-absorbent resin, and the water-absorbent resin has better water retention property and can increase the limiting effect on the rotating shaft 10;
and a plurality of groups of air exchange mechanisms can be arranged, as shown in fig. 2, the air exchange mechanism is added to accelerate the circulation speed of the gas in the carriage, and the gas purification speed is improved.
Example 2
Referring to fig. 4, the present embodiment is different from embodiment 1 in that: a circular plate 20 is fixedly connected to the lower end of the rotating shaft 10, a magnetic block is arranged in the circular plate 20, a convex groove 21 is formed in the rotating plate 13, the circular plate 20 is located in the convex groove 21 and abuts against the convex groove 21, a permanent magnetic plate 22 is embedded at the bottom of the convex groove 21, and the magnetic poles of the magnetic block and the permanent magnetic plate 22 face opposite directions;
the circulating fan 11 comprises a mounting plate 18, a ring groove is formed in the mounting plate 18, an expansion piece 17 is arranged in the ring groove, and a plurality of drainage grooves 19 communicated with the ring groove are formed in the mounting plate 18.
When the embodiment is used, the limiting piece 9 is not a bearing, but a circular ring embedded with balls, as shown in fig. 4, the limiting piece 9 ensures that the rotating shaft 10 is in a vertical state, and simultaneously allows the rotating shaft 10 to move up and down;
in rainy and snowy weather, water flow enters the circular groove from the drainage groove 19, the expansion piece 17 absorbs water rapidly, the expansion piece 17 can replace water-absorbent resin by using sponge, the sponge has good water storage property and poor expansibility, and the weight is obviously increased after the water is absorbed sufficiently, so that the rotating shaft 10 moves downwards, the repulsive force between the circular plate 20 and the permanent magnetic plate 22 is not enough to prevent the rotating shaft 10 from moving downwards, the circular plate 20 moves to the bottom of the convex groove 21 from the upper end of the convex groove 21, and the circular plate 20 is separated from the side wall of the convex groove 21;
when the circulation fan 11 rotates, the rotating shaft 10 can not drive the rotating plate 13 to rotate any more, which is equivalent to that the circulation fan 11 is in an idle state, when a vehicle runs, the circulation fan 11 rotates due to the acting force of the airflow on the circulation fan 11, if the movement of the circulation fan 11 is limited, the fan blades of the circulation fan 11 can bear large pressure caused by the airflow, and the rotating circulation fan 11 does not have the problem, so that the arrangement of the convex groove 21 can effectively protect the circulation fan 11 from being damaged;
when the water absorbed by the expansion member 17 evaporates, the circular plate 20 returns to the position shown in fig. 4 by the repulsive force, and the rotating plate 13 rotates along with the rotation of the circulating fan 11;
if considering the problem that the side wall of the circular plate 20 is worn after a long time use, which results in a reduction of the friction between the circular plate 20 and the convex groove 21, an elastic member, such as an elastic ring, a rubber strip, etc., may be disposed on the side wall of the circular plate 20, and there are various ways to solve this problem, which will not be described herein again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. A circulating air exchange device for purifying air inside a carriage comprises a carriage wall (1) and is characterized in that a hollow groove is formed in the carriage wall (1), a rotating shaft (10) is rotatably installed on the upper surface of the carriage wall (1) through a limiting piece (9), a circulating fan (11) is installed at the upper end of the rotating shaft (10), the lower end of the rotating shaft (10) penetrates through the top wall of the hollow groove and extends into the hollow groove, a limiting cylinder (12) is fixedly installed in the middle of the hollow groove, a coil spring (14) is arranged in the limiting cylinder (12), one end, close to the limiting cylinder (12), of the coil spring (14) is fixedly connected with the inner wall of the limiting cylinder (12), a rotating plate (13) is fixedly connected with one end, far away from the limiting cylinder (12), of the coil spring (14), and the lower end of the rotating shaft (10) is rotatably connected with the rotating plate;
the cavity inslot is provided with at least one mechanism of taking a breath, the mechanism of taking a breath includes sealed tube (6) and sliding seal piece (3) of setting in sealed tube (6), the lateral wall that spring (4) and sealed tube (6) are passed through to the one end of sealed piece (3) links to each other, the other end of sealed piece (3) passes through stay cord (2) and links to each other with commentaries on classics board (13), sealed tube (6) intercommunication has intake pipe (5) and blast pipe (15), the roof that the cavity inslot was run through to the upper end of intake pipe (5) extends outside the carriage, the lower extreme of blast pipe (15) runs through the diapire of cavity inslot and extends to in the carriage, all install the check valve in intake pipe (5) and blast pipe (15).
2. The circulating air interchanger for purifying the air inside the carriage as claimed in claim 1, wherein a stop ring (7) is fixedly arranged on the inner top wall of the hollow groove, the stop ring (7) is coaxial with the rotating shaft (10), an elastic ring (16) is arranged on one side, close to the rotating shaft (10), of the stop ring (7), a placing groove is formed in the stop ring (7), an expansion member (17) is arranged in the placing groove, and a liquid inlet (8) communicated with the placing groove is formed in the carriage wall (1).
3. The circulating air interchanger for purifying air inside a carriage as claimed in claim 1, wherein a circular plate (20) is fixedly connected to the lower end of the rotating shaft (10), a magnetic block is arranged inside the circular plate (20), a convex groove (21) is formed in the rotating plate (13), a permanent magnet plate (22) is embedded in the bottom of the convex groove (21), and the magnetic poles of the magnetic block and the permanent magnet plate (22) face opposite directions;
circulation fan (11) are including mounting panel (18), seted up the annular in mounting panel (18), and be equipped with inflation piece (17) in the annular, set up a plurality of drainage grooves (19) that are linked together with the annular on mounting panel (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708447.XA CN111791669A (en) | 2020-07-22 | 2020-07-22 | Circulating ventilation device for purifying air in carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708447.XA CN111791669A (en) | 2020-07-22 | 2020-07-22 | Circulating ventilation device for purifying air in carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111791669A true CN111791669A (en) | 2020-10-20 |
Family
ID=72827426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010708447.XA Pending CN111791669A (en) | 2020-07-22 | 2020-07-22 | Circulating ventilation device for purifying air in carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111791669A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378250A (en) * | 2020-11-12 | 2021-02-19 | 吴石金 | Three-dimensional material guide assembly adopting granular heating |
| CN113335100A (en) * | 2021-06-22 | 2021-09-03 | 徐州坤元电子科技有限公司 | District intelligent charging station with dampproofing function |
| CN114801969A (en) * | 2022-05-17 | 2022-07-29 | 黑系智能装备(威海)有限公司 | Intelligent motor home safety device |
-
2020
- 2020-07-22 CN CN202010708447.XA patent/CN111791669A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378250A (en) * | 2020-11-12 | 2021-02-19 | 吴石金 | Three-dimensional material guide assembly adopting granular heating |
| CN113335100A (en) * | 2021-06-22 | 2021-09-03 | 徐州坤元电子科技有限公司 | District intelligent charging station with dampproofing function |
| CN113335100B (en) * | 2021-06-22 | 2021-11-30 | 徐州坤元电子科技有限公司 | District intelligent charging station with dampproofing function |
| CN114801969A (en) * | 2022-05-17 | 2022-07-29 | 黑系智能装备(威海)有限公司 | Intelligent motor home safety device |
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Application publication date: 20201020 |
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