CN212632174U - Cab air purification device and cab - Google Patents

Abstract

The application provides a cab air purification device and a cab, wherein the cab air purification device comprises a dust settling box, a filter and a circulating fan, the dust settling box comprises an air inlet and an air outlet, and the air inlet is communicated with the outside; the filter comprises a shell and a filter screen, wherein the filter screen is arranged in the shell and divides the shell into a first cavity and a second cavity; the first chamber is provided with a first ventilation opening communicated with the air outlet of the dust settling box and a second ventilation opening communicated with the interior of the cab, the second chamber is provided with a third ventilation opening communicated with the interior of the cab, and the first ventilation opening and the second ventilation opening are selectively opened; the circulating fan is communicated with the filter and used for driving air to flow circularly. This air purification device not only can carry out filtration purification to the air that the external world got into in the driver's cabin but also can filter repeatedly the air in the driver's cabin.

Description

Cab air purification device and cab

Technical Field

The application relates to the field of agricultural machinery, in particular to a cab air purification device and a cab.

Background

At present, due to the limitation of the manufacturing cost and the capability of the cab of the agricultural machine in China, the external air of the agricultural machine can carry a large amount of dust to directly enter the cab through a gap during operation, so that the inside of the cab is full of the dust, the body health of a driver is directly harmed, and the service life of electronic components in the cab is directly prolonged. Therefore, in order to protect the health of the driver and the structure of the electronic components in the cab, it is necessary to filter and purify the air in the cab.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a driver's cabin air purification device and driver's cabin, this air purification device not only can carry out filtration to the air that the external world got into in the driver's cabin and purify but also can carry out the filtration repeatedly to the air in the driver's cabin.

In a first aspect, the present application provides a cab air purification device, which includes a dust settling box, a filter, and a circulation fan. The dust settling box comprises an air inlet and an air outlet, and the air inlet is communicated with the outside; the filter comprises a shell and a filter screen, wherein the filter screen is arranged in the shell and divides the shell into a first cavity and a second cavity; the first chamber is provided with a first ventilation opening communicated with the air outlet of the dust settling box and a second ventilation opening communicated with the interior of the cab, the second chamber is provided with a third ventilation opening communicated with the interior of the cab, and the first ventilation opening and the second ventilation opening are selectively opened; and the circulating fan is communicated with the filter and is used for driving air to circularly flow.

In the implementation process, the cab air purification device comprises two purification modes of external-internal circulation purification and internal-internal circulation purification.

The external and internal circulation purification mode is as follows: the first vent of filter is opened, the second vent is closed, the air intake that the box was subsided through the dust to external air natural flow or under circulating fan's effect gets into in the dust subsides the box, after the box internal portion subsides is subsided in the dust, first vent through air outlet and filter gets into the first cavity of filter, get into the second cavity after the filter screen filters, through subside with filterable air through the second vent get into in the driver's cabin, above process constitutes outer inner loop and purifies, with external air through subside with filter in the back rethread driver's cabin, the inside air quality of driver's cabin has effectively been improved, the healthy of driver has been guaranteed, electronic components's normal use in the driver's cabin has been protected and electronic components's life has been prolonged.

The internal circulation purification mode is as follows: the first vent of the filter is closed and the second vent is open. The air inside the cab naturally flows or enters the first cavity of the filter through the second ventilation opening of the filter under the action of the circulating fan, enters the second cavity after being filtered by the filter screen, and then enters the cab again through the third ventilation opening of the second cavity, so that the above processes form the circulating repeated filtration of the air inside the cab, and the quality of the air inside the cab is further improved. The external air may enter the cab through other routes except the external-internal circulation purification for various reasons, and pollute the air in the cab, for example, when a driver enters or exits the cab, the air outside the cab may enter the interior of the cab without being purified by the external-internal circulation purification, and pollute the air in the cab. The internal circulation purification mode of the air purification device can circulate the air in the cab repeatedly, and the problem that the external air enters the cab through other ways and pollutes the air in the cab is solved.

In a possible implementation manner, a switching door is arranged in the first chamber, and the switching door is used for selectively plugging the first ventilation opening or the second ventilation opening.

In the implementation process, the switching door is arranged to control the first ventilation opening and the second ventilation opening to be communicated and closed, and then two circulation purification modes of the cab air purification device, namely an outer circulation purification mode and an inner circulation purification mode, are switched. The switching door is simple in structure and simple and convenient in switching operation.

In a possible implementation manner, the filter further includes a motor, the switching door includes a rotating shaft, one end of the rotating shaft is fixedly connected to an output shaft of the motor, and the other end of the rotating shaft is hinged to the housing.

In the implementation process, the rotating shaft of the switching door is fixedly connected to the output shaft of the motor, the motor controls the switching door to rotate, and then the first ventilation opening or the second ventilation opening is selectively blocked.

In one possible implementation, the filter screen is detachably mounted to the housing.

In the implementation process, the filter screen and the shell are detachably mounted, so that the filter is convenient to replace or clean. The filter screen can accumulate more dust after a period of time, and the filter function of filter screen can be hindered to the dust of accumulation, consequently, regularly changes or washs the filter screen, can effectively guarantee the normal filter function of filter.

In a possible implementation manner, the housing comprises a first housing and a second housing which can be embedded in the first housing, and the filter screen is detachably mounted on the second housing; the second shell comprises a first end and a second end, the first end is rotatably connected with the first shell, and the second end is detachably connected with the first shell, so that the second shell can be opened and closed in a rotating mode relative to the first shell.

In the implementation process, the shell is divided into a first shell and a second shell which can be opened and closed in a rotating mode, when the filter screen needs to be replaced and cleaned or the interior of the shell of the filter needs to be maintained, the second end of the second shell is detached from the first shell, then the second shell rotates around the first end, the second shell rotates out of the first shell, the filter is opened, the filter screen is exposed out of the first shell, and the interior of the filter can be maintained or replaced and cleaned subsequently.

In a possible implementation manner, a supporting plate is arranged on the inner wall of the first shell, a locking device is arranged at the second end of the second shell, the locking device comprises a mounting hole formed in the second end and a rotating rod arranged in the mounting hole, one end of the rotating rod extending into the second shell is provided with a buckle piece perpendicular to the rotating rod, and when the rotating rod rotates to the buckle piece to be clamped with the supporting plate, the second end of the second shell is locked on the first shell.

In the implementation process, the second end of the second shell and the detachable mounting of the first shell are achieved by rotating the buckle piece on the rotating rod and clamping the supporting plate, the structure is simple, the operation is convenient, and when the shell is required to be opened or closed, the rotating rod is only required to be rotated to a preset angle.

In a possible implementation manner, the number of the filter screens is two, and the two filter screens are arranged in an overlapping manner.

In the implementation process, the two filter screens are overlapped to improve the filtering effect of the filter and the air purification effect.

In one possible implementation, the air inlet is of a honeycomb structure.

In the above-mentioned realization process, the air intake design of honeycomb structure can effectively block the large granule impurity in the air and get into air purification device in, realizes air purification device's the first step of outer inner loop purification and filters.

In a second aspect, embodiments of the present application further provide a cab, where the cab includes the cab air purification apparatus described in the first aspect or any optional implementation manner of the first aspect.

In a possible implementation manner, the air conditioner further comprises an air conditioning device, wherein the air conditioning device is communicated with the third ventilation opening and is used for adjusting the temperature and the humidity of air.

In the implementation process, the air temperature and the humidity in the cab are adjusted by arranging the air conditioning device, so that a suitable working environment can be provided for a driver in the cab.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a structural diagram of an air cleaning device for a cab according to an embodiment of the present disclosure;

fig. 2 is a structural view of another perspective of an air cleaning device for a cab according to an embodiment of the present disclosure;

fig. 3 is a structural diagram of a dust settling box provided in an embodiment of the present application;

FIG. 4 is a block diagram of a filter according to an embodiment of the present disclosure;

FIG. 5 is a block diagram of another perspective view of a filter according to an embodiment of the present disclosure;

fig. 6 is a structural view of a further view of an air cleaning device for a cab according to an embodiment of the present disclosure;

fig. 7 is a structural diagram of a second housing 212 according to an embodiment of the present disclosure.

Icon: 100-dust settling box; 110-an air inlet; 120-air outlet; 200-a filter; 210-a housing; 220-a filter screen; 230-a first chamber; 240-a second chamber; 250-a first vent; 260-a second vent; 270-a third vent; 280-a switching gate; 281-rotating shaft; 290-a motor; 211-a first housing; 212-a second housing; 213-a first end; 214-a second end; 215-a pallet; 216-rotating lever; 217-snap-in.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

In a first aspect, referring to fig. 1, 2, 3 and 4, an embodiment of the present application provides a cab air cleaning apparatus, which includes a dust settling box 100, a filter 200 and a circulating fan. The dust settling box 100 comprises an air inlet 110 and an air outlet 120, wherein the air inlet 110 is communicated with the outside; the filter 200 comprises a housing 210 and a filter screen 220, wherein the filter screen 220 is arranged in the housing 210, and the filter screen 220 divides the housing 210 into a first chamber 230 and a second chamber 240; the first chamber 230 is provided with a first vent 250 for communicating with the air outlet 120 of the dust settling box 100 and a second vent 260 for communicating with the interior of the cab, the second chamber 240 is provided with a third vent 270 for communicating with the interior of the cab, and the first vent 250 and the second vent 260 are selectively opened; the circulation fan is communicated with the filter 200, and the circulation fan is used for driving air to circularly flow.

In the implementation process, the cab air purification device comprises two purification modes of external-internal circulation purification and internal-internal circulation purification.

The external and internal circulation purification mode is as follows: the first ventilation opening 250 of the filter 200 is opened, the second ventilation opening 260 is closed, the outside air naturally flows or enters the dust settling box 100 through the air inlet 110 of the dust settling box 100 under the action of the circulating fan, after the part inside the dust settling box 100 is settled, the outside air enters the first chamber 230 of the filter 200 through the air outlet 120 and the first ventilation opening 250 of the filter 200, the outside air is filtered by the filter screen 220 and then enters the second chamber 240, the air after being settled and filtered enters the cab through the second ventilation opening 260, the above processes form external and internal circulation purification, the outside air is again introduced into the cab after being settled and filtered, the internal air quality of the cab is effectively improved, the body health of the driver is ensured, the normal use of electronic components in the cab is protected, and the service life of the electronic components is prolonged.

The internal circulation purification mode is as follows: the first vent 250 of the filter 200 is closed and the second vent 260 is opened. The air in the cab naturally flows or enters the first chamber 230 of the filter 200 through the second ventilation opening 260 of the filter 200 under the action of the circulating fan, enters the second chamber 240 after being filtered by the filter screen 220, and then enters the cab again through the third ventilation opening 270 of the second chamber 240, so that the air in the cab is circularly and repeatedly filtered, and the quality of the air in the cab is further improved. The external air may enter the cab through other routes except the external-internal circulation purification for various reasons, and pollute the air in the cab, for example, when a driver enters or exits the cab, the air outside the cab may enter the interior of the cab without being purified by the external-internal circulation purification, and pollute the air in the cab. The internal circulation purification mode of the air purification device can circulate the air in the cab repeatedly, and the problem that the external air enters the cab through other ways and pollutes the air in the cab is solved.

The external and internal circulation purification is separated from the internal circulation purification, so that the internal air and the external air can be prevented from being mixed and crossed to cause pollution, and the internal and internal circulation purification effect can be improved.

It should be understood that the above-mentioned external world refers to a space outside the cab. The cab air purification device can be completely arranged in the cab; can be installed outside the cab completely; the air conditioner can also be partially installed inside the cab and partially installed outside the cab, which is not limited in the embodiments of the present application.

It should be noted that, the above-mentioned circulating fan is communicated with the filter 200, because the filter 200 can be communicated with the dust settling box 100 through the first ventilation opening 250, and the dust settling box 100 is communicated with the outside, and the filter 200 can also be communicated with the inside of the cab through the second ventilation opening 260, the circulating fan can drive the air to perform the external and internal circulating flows.

In a possible implementation manner, please refer to fig. 5, a switching door 280 is disposed in the first chamber 230, and the switching door 280 is used for selectively blocking the first ventilation opening 250 or the second ventilation opening 260.

In the implementation process, the switching door 280 is arranged to control the communication and the closing of the first ventilation opening 250 and the second ventilation opening 260, so as to switch two circulation purification modes of the cab air purification device, namely an external circulation purification mode and an internal circulation purification mode. The switching gate 280 has a simple structure, and the switching operation is simple and convenient.

In a possible implementation manner, the filter 200 further includes a motor 290, the switching door 280 includes a rotating shaft 281, one end of the rotating shaft 281 is fixedly connected to an output shaft of the motor 290, and the other end is hinged to the housing 210.

In the implementation process, the rotating shaft 281 of the switching door 280 is fixedly connected to the output shaft of the motor 290, and the motor 290 controls the rotation of the switching door 280, so as to selectively block the first air vent 250 or the second air vent 260. Further, the air purification device for the cab can further comprise a controller, the controller is in communication connection with the motor 290, the controller controls the rotation angle of the motor 290, and then the rotation of the switching door 280 is controlled, and the operation is more convenient.

It should be noted that the number of the conversion gates 280 may be one or two.

In some embodiments, the number of the switching door 280 is one, the rotating shaft of the switching door 280 is disposed between the first ventilation opening 250 and the second ventilation opening 260, and the control motor 290 rotates the switching door 280 to rotate the switching door 280 to the first ventilation opening 250 or the second ventilation opening 260 to block the first ventilation opening 250 or the second ventilation opening 260. When the number of the switching doors 280 is one, the first ventilation openings 250 and the second ventilation openings 260 cannot be simultaneously blocked.

In some embodiments, the number of the switching doors 280 is two, and further, the switching doors 280 include a first door disposed at the first ventilation opening 250 to close or open the first ventilation opening 250 and a second door disposed at the second ventilation opening 260 to close or open the second ventilation opening 260. When the cab air purification device is in an external-internal circulation purification mode, the first door opens the first ventilation opening 250, and the second door blocks the second ventilation opening 260; when the cab is in the internal circulation purification mode, the second door opens the second vent 260, and the first door closes the first vent 250. When the number of the switching doors 280 is two, the first and second ventilation openings 250 and 260 may be simultaneously blocked. For example, when no person is present in the cab, the first vent 250 and the second vent 260 can be simultaneously blocked, the circulating fan is turned off, and the operation of the air purification device is stopped, so as to save energy.

In one possible implementation, the filter screen 220 is detachably mounted to the housing 210.

In the above implementation process, the filter screen 220 is detachably mounted to the housing 210, so that the filter 200 can be replaced or cleaned conveniently. After the filter screen 220 works for a period of time, more dust can be accumulated, and the accumulated dust can obstruct the filtering function of the filter screen 220, so that the normal filtering function of the filter 200 can be effectively ensured by regularly replacing or cleaning the filter screen 220.

It should be noted that the filter 200 and the housing 210 may be detachably mounted in various manners.

In a possible implementation manner, the filter 200 may be detachably mounted to the housing 210 in a buckling or clamping manner, for example, the filter screen 220 includes a fixing frame, the fixing frame is provided with a mounting protrusion, the housing 210 is provided with a mounting groove matched with the mounting protrusion, the mounting protrusion is mounted in cooperation with the mounting groove to achieve detachable mounting between the filter screen 220 and the housing 210, and accordingly, the housing 210 is provided with an opening to facilitate replacing or cleaning the filter screen 220.

In a possible implementation manner, referring to fig. 6, the housing 210 includes a first housing 211 and a second housing 212 that can be embedded in the first housing 211, and the filter 220 is detachably mounted on the second housing 212; the second housing 212 includes a first end 213 and a second end 214, the first end 213 is rotatably connected to the first housing 211, and the second end 214 is detachably connected to the first housing 211, so that the second housing 212 can be rotatably opened and closed relative to the first housing 211.

In the implementation process, the housing 210 is divided into the first housing 211 and the second housing 212 which can be opened and closed in a rotating manner, when the filter screen 220 needs to be replaced and cleaned or the interior of the housing 210 of the filter 200 needs to be maintained, the second end 214 of the second housing 212 is detached from the first housing 211, and then the second housing 212 rotates around the first end 213, so that the first housing 211 is rotated out of the second housing 212, the filter 200 is opened, the filter screen 220 is exposed out of the first housing 211, and the interior of the filter 200 can be maintained or the filter screen 220 can be replaced and cleaned subsequently.

It should be noted that, the manner of detachably mounting the second end 214 of the second housing 212 to the first housing 211 is various, and the embodiment of the present application does not limit this.

In a possible implementation manner, referring to fig. 7, a supporting plate 215 is disposed on an inner wall of the first housing 211, a locking device is disposed on the second end 214 of the second housing 212, the locking device includes a mounting hole disposed on the second end 214 and a rotating rod 216 disposed in the mounting hole, a buckle 217 perpendicular to the rotating rod 216 is disposed at one end of the rotating rod 216 extending into the second housing 212, and when the rotating rod 216 rotates to the buckle 217 to be engaged with the supporting plate 215, the second end 214 of the second housing 212 is locked on the first housing 211.

In the implementation process, the second end 214 of the second housing 212 and the first housing 211 are detachably mounted by rotating the buckle 217 on the rotating rod 216 and engaging with the supporting plate 215, the structure is simple, the operation is convenient, and when the housing 210 needs to be opened or closed, the rotating rod 216 only needs to be rotated to a predetermined angle.

It should be noted that the number of the filter screens 220 may be one, two, or multiple, and this is not limited in the embodiment of the present application.

In a possible implementation manner, the number of the filter screens 220 is two, and the two filter screens 220 are stacked.

In the above implementation process, the two filter screens 220 are stacked to improve the filtering effect of the filter 200 and the air purification effect. Further, the two filter screens 220 are a first-stage filter screen 220 and a second-stage filter screen 220, respectively, the first-stage filter screen 220 is disposed near the first chamber 230, and the second-stage filter screen 220 is disposed near the second chamber 240, so that the air filtering effect of the filter 200 can be further improved by stage filtering.

In one possible implementation, the intake vent 110 has a honeycomb structure.

In the implementation process, the air inlet 110 with the honeycomb structure is designed to effectively prevent large-particle impurities in the air from entering the air purification device, so that the first-step filtration of the external and internal circulation purification of the air purification device is realized.

In a second aspect, embodiments of the present application further provide a cab, where the cab includes the cab air purification apparatus described in the first aspect or any optional implementation manner of the first aspect.

In a possible implementation manner, an air conditioning device is further included, and the air conditioning device is communicated with the third ventilation opening 270 and is used for adjusting the temperature and the humidity of the air.

In the implementation process, the air temperature and the humidity in the cab are adjusted by arranging the air conditioning device, so that a suitable working environment can be provided for a driver in the cab.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (10)

1. A cab air purification apparatus, comprising:

the dust settling box comprises an air inlet and an air outlet, and the air inlet is communicated with the outside;

the filter comprises a shell and a filter screen, wherein the filter screen is arranged in the shell and divides the shell into a first chamber and a second chamber;

the first chamber is provided with a first ventilation opening communicated with the air outlet of the dust settling box and a second ventilation opening communicated with the interior of the cab, the second chamber is provided with a third ventilation opening communicated with the interior of the cab, and the first ventilation opening and the second ventilation opening are selectively opened;

and the circulating fan is communicated with the filter and is used for driving air to circularly flow.

2. The cab air purification device according to claim 1, wherein a switching door is provided in the first chamber, and the switching door is used for selectively blocking the first ventilation opening or the second ventilation opening.

3. The cab air cleaning device according to claim 2, wherein the filter further includes a motor, and the switching door includes a rotating shaft having one end fixedly connected to an output shaft of the motor and the other end hinged to the housing.

4. The cab air-cleaning device according to claim 1, wherein the filter screen is detachably mounted to the housing.

5. The cab air purification device according to claim 4, wherein the housing includes a first housing and a second housing embeddable within the first housing, the filter screen being detachably mounted on the second housing;

the second shell comprises a first end and a second end, the first end is rotatably connected with the first shell, and the second end is detachably connected with the first shell, so that the second shell can be opened and closed in a rotating mode relative to the first shell.

6. The cab air purification device according to claim 5, wherein a support plate is disposed on an inner wall of the first housing, a locking device is disposed on the second end of the second housing, the locking device includes a mounting hole formed in the second end, and a rotating rod disposed in the mounting hole, a locking member perpendicular to the rotating rod is disposed at an end of the rotating rod extending into the second housing, and when the rotating rod rotates to a position where the locking member is engaged with the support plate, the second end of the second housing is locked to the first housing.

7. The cab air purification device according to claim 1, wherein the number of the filter screens is two, and the two filter screens are arranged in a stacked manner.

8. The cab air purification device according to claim 1, wherein the air inlet is of a honeycomb structure.

9. A cab, characterized by comprising the cab air cleaning device of any one of claims 1 to 8.

10. The cab of claim 9, further comprising an air conditioning device in communication with the third vent for conditioning the temperature and humidity of the air.

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