CN112460054A - Environment-friendly knapsack fan and motor - Google Patents
Environment-friendly knapsack fan and motor Download PDFInfo
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- CN112460054A CN112460054A CN202011291941.7A CN202011291941A CN112460054A CN 112460054 A CN112460054 A CN 112460054A CN 202011291941 A CN202011291941 A CN 202011291941A CN 112460054 A CN112460054 A CN 112460054A
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- plate
- fan
- filter element
- motor
- vertical plate
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- 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
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- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an environment-friendly backpack fan and a motor, which comprise a fan shell and a circulating fan, wherein a cooler and a filter element are arranged in the fan shell, and the fan shell comprises a bottom plate and a fixing plate; the bottom plate is connected with the top plate through a vertical plate, and the vertical plate comprises a right vertical plate and a left vertical plate; the filter element is detachably connected with the fixed plate, and the bottom plate is provided with a fan air inlet, an ash collecting port and a fan air outlet; the fan also comprises a control unit, a vibrator and a back-blowing device. The invention increases the filtering area, ensures the filtering effect, prolongs the service time of the filter element and has low failure rate; meanwhile, the control unit of the invention realizes the purpose of automatically cleaning ash by controlling the back-blowing device, the vibrator, the vibrating motor and the electromagnetic valve; the circulating air volume of the motor is met, the normal use of the motor is guaranteed, the short service life of the motor caused by poor air quality is reduced, and the service life of the motor is prolonged.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and relates to an environment-friendly backpack fan and a motor.
Background
The backpack blower is a special device for cooling a high-power motor, and mainly comprises an air filter, a heat exchanger, a shell and a blower.
At present, a backpack fan air filter basically filters non-woven cotton, the non-woven cotton is flatly paved and fixed in front of a cooler, hot dirty air circulated by a motor is filtered by the non-woven cotton and cooled by a heat exchanger, and then is input into the motor again by a circulating fan to cool the motor.
Because the non-woven cotton filters and can not realize automatic deashing, and hot dirty air just is just cooled off by the cooler after only a non-woven cotton filters in addition, in the short time, the non-woven cotton will block up, need the manual work to open the knapsack fan, pull down the non-woven cotton and clear up, consequently need frequent to carry out the deashing to the knapsack fan and handle, whole process not only wastes the manpower, pollutes the workshop environment moreover.
If the non-woven cotton is seriously blocked, not only the filtering effect is deteriorated, but also the circulating air volume is reduced, the cooling effect of the motor is deteriorated, the temperature of the motor during operation is overhigh, and the normal use of the motor is influenced.
Disclosure of Invention
The invention aims to provide an environment-friendly backpack fan, which improves the filtering effect, does not need to be frequently disassembled, avoids the technical problem of polluting the workshop environment in the dust cleaning process, and can realize suction-free automatic dust cleaning.
The technical scheme adopted by the invention is as follows:
an environment-friendly backpack fan comprises a fan shell and a circulating fan, wherein a cooler and a filter element are arranged in the fan shell, and the fan shell comprises a bottom plate and a fixing plate; the bottom plate is connected with the top plate through a vertical plate, and the vertical plate comprises a right vertical plate and a left vertical plate; the cooler and the fixing plate are arranged in the fan shell from left to right, and the fan shell is divided into 3 cavities;
the filter elements are multiple and columnar, one end of each filter element is an open end, and the other end of each filter element is a closed end; the fixed plate is provided with a vent, the open end of the filter element is detachably connected with the vent, the fixed plate is positioned between the cooler and the filter element, the bottom plate on the right side of the fixed plate is provided with a fan air inlet and a dust collecting port, the filter element and the fan air inlet are arranged in a staggered manner, so that dust on the filter element is prevented from falling into the fan air inlet during dust removal, and the dust collecting port is positioned below the filter element;
the right vertical plate is positioned on the right side of the cooler, a filter element observation window capable of being opened and closed is arranged on the right vertical plate, and a transparent observation port is arranged on the filter element observation window; the left vertical plate is positioned on the left side of the cooler, and the circulating fan is arranged on the left vertical plate; a fan air outlet is formed in the bottom plate on the left side of the cooler;
the environment-friendly backpack blower also comprises a control unit, a vibrator and a back blowing device;
the vibrator comprises a vibrating head, the vibrator is fixed on the right vertical plate or the top plate, and the vibrating head is close to the filter element; the back blowing device comprises an air storage tank and a nozzle connected with the air storage tank, the air storage tank is fixed on the top plate, an air outlet of the nozzle faces the filter element, and the nozzle and the filter element are respectively positioned on two sides of the fixing plate;
the control unit controls the working cycle and the working time of the back flushing device and the vibrator; and the working cycle and the working time of the back flushing device are consistent with those of the vibrator, when the vibrator works, the vibrator can vibrate the filter element, and when the back flushing device works, the nozzle can blow air to the filter element.
Further, the bottom plate comprises a plane plate and an ash collecting part, the plane plate is fixedly connected with the right vertical plate through the ash collecting part, the plane plate is perpendicular to the right vertical plate, the ash collecting part is conical, the large end of the ash collecting part faces upwards, the filter element is positioned above the ash collecting part, and the ash collecting opening is formed in the lower end of the ash collecting part;
further, the dust collecting part is conical, pyramid-shaped, circular truncated cone-shaped or pyramid-truncated cone-shaped.
Further, the outer surface of the dust collecting part is provided with a vibration motor, the control unit also controls the working period and the working time of the vibration motor, and the working period and the working time of the vibration motor are consistent with those of the vibrator.
Further, the right vertical plate comprises a first vertical plate and a second vertical plate, the first vertical plate is positioned on the right side of the fixing plate, and the second vertical plate is positioned between the first vertical plate and the cooler;
the fixing plate is an arc plate or a flat plate or an L-shaped plate; if the fixed plate is an arc plate or a flat plate, the lower end of the fixed plate is fixedly connected with the bottom plate, and the upper end of the fixed plate is fixedly connected with the top plate or the right vertical plate; if the fixed plate is an L-shaped plate, the fixed plate comprises a vertical section and a horizontal section, the vertical section is fixedly connected with the bottom plate, and the horizontal section is fixedly connected with the right vertical plate;
the filter element is cylindrical or prismatic, and is vertical to or parallel to the bottom plate.
Furthermore, the environment-friendly backpack blower also comprises a back-blowing device access hole;
if the filter element is parallel to the bottom plate, the fixed plate is a flat plate, the lower end of the fixed plate is fixedly connected with the bottom plate, the upper end of the fixed plate is fixedly connected with the top plate, the back blowing device access hole and the filter element observation window are arranged on the second vertical plate, the back blowing device access hole is positioned between the cooler and the fixed plate, and the filter element observation window is positioned on the right side of the fixed plate;
if the filter core is perpendicular to the bottom plate, the fixed plate is an arc-shaped plate, the lower end of the fixed plate is fixedly connected with the bottom plate, the upper end of the fixed plate is fixedly connected with the first vertical plate, the blowback device access hole and the filter core observation window are arranged on the first vertical plate, the blowback device access hole is located above the joint of the fixed plate and the first vertical plate, and the filter core observation window is located below the joint of the fixed plate and the first vertical plate.
Furthermore, the air outlet of the fan is arranged on the plane plate, and the air inlet of the fan is provided with a shutter baffle.
Furthermore, the dust collecting port is connected with a dust collecting bag through a dust collecting pipe.
Furthermore, a first electromagnetic valve is arranged on the ash collecting pipe, the air outlet end of the air storage tank is connected with the nozzle through a vent pipe, a second electromagnetic valve is arranged on the vent pipe, the control unit also controls the opening or closing of the first electromagnetic valve and the second electromagnetic valve, and when the control unit controls the back flushing device and/or the vibrator to start working, the control unit controls the corresponding electromagnetic valve to be opened; when the control unit controls the back-blowing device and/or the rapping device to stop working, the control unit controls the corresponding electromagnetic valve to close.
The invention also provides a motor, which comprises a motor shell and the backpack fan, wherein one end of the motor shell is provided with a motor air inlet, and the other end of the motor shell is provided with a motor air outlet; the backpack fan is arranged on the motor shell, the motor air outlet is communicated with the fan air inlet, and the motor air inlet is communicated with the fan air outlet;
the size of the orthographic projection of the plane plate is consistent with or larger than that of the orthographic projection of the motor shell; and a motor overhaul port is formed in the right vertical plate.
The invention has the following beneficial effects:
the filter element is simple in structure, the filtering area is increased, the filtering effect is guaranteed, the service life of the filter element is prolonged, and the failure rate is low;
meanwhile, the control unit of the invention realizes the purpose of automatically cleaning ash by controlling the back-blowing device, the vibrator, the vibrating motor and the electromagnetic valve;
according to the dust removal device, the filter element is detached without opening the backpack fan, and dust on the filter element can be cleaned only by knocking or reversely blowing air flow to the filter element and collected through the dust collection port, so that the dust can be cleaned and collected in a relatively closed environment, and the environment cannot be polluted;
the structure of the ash collecting part realizes the purpose of quickly cleaning ash; the air inlet of the fan is provided with a shutter baffle plate, so that large-particle dust generated when a back-blowing device back-blows gas to the filter element or a vibrator shakes the filter element can be prevented from falling into the motor;
the motor provided with the backpack blower ensures the working time of the motor, can better filter hot and dirty air exhausted by the motor, meets the circulating air quantity of the motor, ensures the normal use of the motor, relieves the short service life of the motor caused by poor air quality, and prolongs the service life of the motor.
Drawings
FIG. 1 is a schematic structural view of an exemplary embodiment of an environmentally friendly backpack blower of the present invention;
fig. 2 is a schematic structural diagram of a motor according to a first embodiment of the present invention;
FIG. 3 is a right cut-away view of FIG. 2;
FIG. 4 is a right side view of FIG. 3;
FIG. 5 is a schematic structural view of a second embodiment of an environmentally friendly backpack blower of the present invention;
fig. 6 is a schematic structural diagram of a motor according to a second embodiment of the present invention;
fig. 7 is a right side view of fig. 6.
Reference numerals: 1 fan shell, 2 dust collecting part, 3 flat plate, 31 fan air inlet, 32 fan air outlet, 4 gas storage tanks, 41 second solenoid valves, 42 blowback device access hole, 43 nozzle, 5 fixed plate, 6 right vertical plate, 7 left vertical plate, 8 circulating fan, 91 filter element, 10 cooler, 11 filter element observation window, 13 vibrator, 14 vibrating motor, 15 control unit, 16 first solenoid valves, 17 motor shell, 18 dust collecting bag, 19 motor access hole, 20 shutter baffle.
Detailed Description
The invention is described below with reference to the accompanying drawings:
fig. 1 to 7 show an environment-friendly backpack blower, in which fig. 1 is a schematic structural view of a first embodiment of the environment-friendly backpack blower of the present invention, and fig. 5 is a schematic structural view of a second embodiment of the environment-friendly backpack blower of the present invention; the air conditioner comprises a fan shell 1 and a circulating fan 8, wherein a cooler 10 and a filter element 91 are arranged in the fan shell 1, and the fan shell comprises a bottom plate and a fixing plate 5; the bottom plate is connected with the top plate through a vertical plate, and the vertical plate comprises a right vertical plate 6 and a left vertical plate 7; the cooler 10 and the fixing plate 5 are arranged in the fan shell 1 from left to right, and the fan shell is divided into 3 cavities;
a plurality of filter elements 91 are cylindrical, one end of each filter element is an open end, and the other end of each filter element is a closed end; the fixed plate 5 is provided with a vent, the open end of the filter element is detachably connected with the vent, in the figure 1, the filter element is parallel to the bottom plate and is arranged on the fixed plate from top to bottom, one or more filter elements are arranged in each row, and in the figure 2, the filter element is vertical to the bottom plate; the fixed plate 5 is positioned between the cooler 10 and the filter element 91, the bottom plate on the right side of the fixed plate is provided with a fan air inlet 31 and a dust collecting port, the filter element and the fan air inlet are arranged in a staggered mode so as to prevent dust on the filter element from falling into the fan air inlet during dust removal, and the dust collecting port is positioned below the filter element 91;
the right vertical plate 6 is positioned on the right side of the cooler 10 (see fig. 1), the right vertical plate 6 is provided with a filter element observation window 11 (see fig. 4 and 7) which can be opened and closed, the filter element observation window is used for observing the filter element, and the filter element observation window is provided with a transparent observation port; as shown in fig. 1, the left vertical plate is positioned at the left side of the cooler, and the circulating fan is arranged on the left vertical plate; a fan air outlet 32 is formed in the bottom plate on the left side of the cooler;
the arrangement of the plurality of columnar filter elements greatly increases the filtering area and prolongs the service life of the filter elements, so that the filter elements cannot be blocked in a short time and have better filtering effect; the hot dirty air from the fan inlet 31 is filtered by the filter element 91, cooled by the cooler 10, and then discharged from the fan outlet 32. If enough dust accumulated on the filter element is observed through the filter element observation window 11, when dust removal is needed, the filter element observation window 11 is opened, the filter element can be knocked, for example, manually knocked, the knocked dust falls on the bottom plate, and finally the dust is collected through the dust collection port, so that the pollution to the environment caused by dust treatment in an open space is avoided.
The environment-friendly backpack blower also comprises a control unit 15, a vibrator 13 and a back blowing device;
as shown in fig. 1 and 5, the rapping device comprises a rapping head, the rapping device 13 is fixed on the right vertical plate 6 or the top plate, and the rapping head is close to the filter core; the back flushing device comprises an air storage tank 4 and a nozzle 43 connected with the air storage tank, the air storage tank 4 is fixed on the top plate, an air outlet of the nozzle 43 faces the filter element, and the nozzle 43 and the filter element 91 are respectively positioned on two sides of the fixing plate; the output end of the control unit is respectively connected with the input end of the rapping device and the input end of the back flushing device, so that the control unit can control the working cycle and the working time of the back flushing device and the rapping device; and the working cycle and working time of the back-flushing device are consistent with those of the vibrator, when the vibrator 13 works, the filter core can be vibrated by the vibrating head, and when the back-flushing device works, the nozzle 43 can blow air to the filter core 91. In addition, when one of the back flushing device and the rapping device is in fault, the control unit can still control the other device to work according to the working period and the working time so as to ensure that the dust can be automatically removed on time; when dust is required to be removed, the control unit controls the vibrator and/or the back-blowing device to start working, dust accumulated on the filter element falls onto the bottom plate under the vibrating action of the vibrating head and/or the back-blowing airflow of the nozzle, and finally the dust can be collected through the dust collecting port, so that the pollution to the environment caused by dust treatment in an open space is avoided.
In some embodiments, in order to collect dust conveniently, the bottom plate comprises a flat plate 3 and an ash collecting part 2, the flat plate 3 is fixedly connected with a right vertical plate 6 through the ash collecting part 2, the flat plate is perpendicular to the right vertical plate, the ash collecting part 2 is conical, the large end of the ash collecting part faces upwards, the filter element is positioned above the ash collecting part, and the ash collecting port is formed at the lower end of the ash collecting part; the dust collecting portion 2 may be conical, pyramidal, circular truncated cone, or truncated pyramid.
In some embodiments, the outer surface of the dust collecting portion is provided with a vibration motor 14 for easier dust collection, said control unit 15 further controlling the duty cycle and the duty time of the vibration motor 14, and the duty cycle and the duty time of the vibration motor coincide with the duty cycle and the duty time of the rapper.
In some embodiments, the right vertical plate comprises a first vertical plate and a second vertical plate, the first vertical plate is located on the right side of the fixing plate, and the second vertical plate is located between the first vertical plate and the cooler; the fixed plate 5 is an arc-shaped plate or a flat plate or an L-shaped plate; fig. 1 and 5 show embodiments in which the fixing plate is an arc-shaped plate and a flat plate, and if the fixing plate is an arc-shaped plate or a flat plate, the lower end of the fixing plate is fixedly connected with the bottom plate, and the upper end of the fixing plate is fixedly connected with the top plate or the first vertical plate; if the fixed plate is the L template, the fixed plate includes vertical section and horizontal section, and vertical section links firmly with the bottom plate, and horizontal section links firmly with first riser.
In some embodiments, the environmentally friendly backpack blower further comprises a blowback device access port;
referring to fig. 1 to 4, the filter element is parallel to the bottom plate, the fixed plate is a flat plate, the lower end of the fixed plate is fixedly connected with the bottom plate, the upper end of the fixed plate is fixedly connected with the top plate, the back-blowing device access hole and the filter element observation window are arranged on the second vertical plate, the back-blowing device access hole is positioned between the cooler 10 and the fixed plate 5, and the filter element observation window is positioned on the right side of the fixed plate 5;
see fig. 5 to 7, the filter core is perpendicular to the bottom plate, then the fixed plate is an arc-shaped plate, the lower end of the fixed plate is fixedly connected with the bottom plate, the upper end of the fixed plate is fixedly connected with the first vertical plate, the blowback device access hole 42 and the filter core observation window 11 are arranged on the first vertical plate, the blowback device access hole 42 is located above the joint of the fixed plate 5 and the first vertical plate, and the filter core observation window 11 is located below the joint of the fixed plate 5 and the first vertical plate.
In some embodiments, the filter element is selected to be a cylindrical filter element or a prismatic filter element, preferably a cylindrical filter element, in order to ensure the filtering effect.
In order to ensure that the invention can be conveniently installed with a motor, the air outlet of the fan is arranged on the plane plate, and the air inlet of the fan is provided with a shutter baffle 20.
In some embodiments, the dust collecting port is connected with the dust collecting bag 18 through a dust collecting pipe, the dust collecting pipe is provided with a first electromagnetic valve 16, the air outlet end of the air storage tank 4 is connected with the nozzle 43 through a vent pipe, the vent pipe is provided with a second electromagnetic valve 41, the control unit further controls the first electromagnetic valve 16 and the second electromagnetic valve 41 to be opened or closed, and when the control unit controls the back flushing device and/or the rapping device to start working, the control unit controls the corresponding electromagnetic valves to be opened; when the control unit controls the back-blowing device and/or the rapping device to stop working, the control unit controls the corresponding electromagnetic valve to close.
According to the dust removal period, the working period and the working time of the back-blowing device are set through the control unit, when dust removal is needed, the control unit controls the vibrator, the back-blowing device and the vibration motor to start working, and controls the electromagnetic valve to be opened, the vibration head starts to vibrate the filter element, the nozzle of the back-blowing device back-blows towards the inside of the filter element through the opening end of the filter element, under the vibration action of the vibration head and the back-blowing airflow of the nozzle, dust accumulated on the filter element falls to the dust collection part 2, and the falling dust is vibrated through the vibration motor 14 and enters the dust collection bag 18 through the dust collection pipe from the dust collection port; when dust removal needs to be stopped, the control unit controls the vibrator and the back blowing device to stop working and controls the electromagnetic valve to be closed; the pollution to the environment caused by dust treatment in an open space is avoided; but also realizes the purpose of automatic dust removal.
The motor, as shown in fig. 2 and 6, comprises a motor shell 17 and the above-mentioned backpack blower, wherein one end of the motor shell is provided with a motor air inlet; the other end is provided with a motor air outlet; the backpack fan is arranged on the motor shell, the motor air outlet is communicated with the fan air inlet, and the motor air inlet is communicated with the fan air outlet; hot and dirty air exhausted from the air outlet of the motor passes through the air inlet of the fan, is filtered and cooled by the backpack fan, is exhausted from the air outlet of the fan, and then enters the motor shell through the air inlet of the motor, so that the hot and dirty air of the motor is filtered and cooled; the shutter baffle 20 arranged at the air inlet of the fan can prevent large-particle dust generated when a back-blowing device back-blows gas to the filter element or a vibrator shakes the filter element from falling into the motor;
the right vertical plate is provided with a motor access opening 19, as shown in fig. 4 and 7, and the size of the orthographic projection of the plane plate is consistent with or larger than that of the motor shell. The purpose of design like this for the ash collecting part can extend to motor casing outside, can also be according to the nimble mounted position of selecting ash collecting part in on-the-spot space simultaneously, has reserved installation space for ash collecting bag 18 to when ash collecting bag needs to be changed, reserved operating space for changing ash collecting bag.
Claims (10)
1. The utility model provides an environment-friendly knapsack fan, includes fan casing and circulating fan, is equipped with cooler and filter core in the fan casing, its characterized in that:
the fan shell comprises a bottom plate and a fixing plate; the bottom plate is connected with the top plate through a vertical plate, and the vertical plate comprises a right vertical plate and a left vertical plate; the cooler and the fixing plate are arranged in the fan shell from left to right, and the fan shell is divided into 3 cavities;
the filter elements are multiple and columnar, one end of each filter element is an open end, and the other end of each filter element is a closed end; the fixed plate is provided with a vent, the open end of the filter element is detachably connected with the vent, the fixed plate is positioned between the cooler and the filter element, the bottom plate on the right side of the fixed plate is provided with a fan air inlet and an ash collecting port, the filter element and the fan air inlet are arranged in a staggered manner, and the ash collecting port is positioned below the filter element;
the right vertical plate is positioned on the right side of the cooler, a filter element observation window capable of being opened and closed is arranged on the right vertical plate, and a transparent observation port is arranged on the filter element observation window; the left vertical plate is positioned on the left side of the cooler, and the circulating fan is arranged on the left vertical plate; a fan air outlet is formed in the bottom plate on the left side of the cooler;
the environment-friendly backpack blower also comprises a control unit, a vibrator and a back blowing device;
the vibrator comprises a vibrating head, the vibrator is fixed on the right vertical plate or the top plate, and the vibrating head is close to the filter element; the back blowing device comprises an air storage tank and a nozzle connected with the air storage tank, the air storage tank is fixed on the top plate, an air outlet of the nozzle faces the filter element, and the nozzle and the filter element are respectively positioned on two sides of the fixing plate;
the control unit controls the working cycle and the working time of the back flushing device and the vibrator; and the working cycle and the working time of the back flushing device are consistent with those of the vibrator, when the vibrator works, the vibrator can vibrate the filter element, and when the back flushing device works, the nozzle can blow air to the filter element.
2. The environment-friendly backpack blower of claim 1, wherein: the bottom plate includes flat panel and collection grey portion, and the flat panel links firmly through collection grey portion and right riser, and the flat panel is perpendicular with right riser, and the shape of collection grey portion is the toper, and the main aspects of collection grey portion up, the filter core is located collection grey portion top, the lower extreme in collection grey portion is seted up to collection grey mouth.
3. The environmentally friendly backpack blower of claim 2, wherein: the ash collecting part is in a conical shape, a pyramid shape, a round table shape or a pyramid table shape.
4. The environmentally friendly backpack blower of claim 3, wherein: the outer surface of the dust collecting part is provided with a vibration motor, the control unit also controls the working period and the working time of the vibration motor, and the working period and the working time of the vibration motor are consistent with those of the vibrator.
5. The environmentally friendly backpack blower of claim 4, wherein:
the right vertical plate comprises a first vertical plate and a second vertical plate, the first vertical plate is positioned on the right side of the fixed plate, and the second vertical plate is positioned between the first vertical plate and the cooler;
the fixing plate is an arc plate or a flat plate or an L-shaped plate; if the fixed plate is an arc-shaped plate or a flat plate, the lower end of the fixed plate is fixedly connected with the bottom plate, and the upper end of the fixed plate is fixedly connected with the top plate or the first vertical plate; if the fixed plate is an L-shaped plate, the fixed plate comprises a vertical section and a horizontal section, the vertical section is fixedly connected with the bottom plate, and the horizontal section is fixedly connected with the first vertical plate;
the filter element is cylindrical or prismatic, and is vertical to or parallel to the bottom plate.
6. The environmentally friendly backpack blower of claim 5, wherein:
the environment-friendly backpack blower further comprises a back-blowing device access hole;
if the filter element is parallel to the bottom plate, the fixed plate is a flat plate, the lower end of the fixed plate is fixedly connected with the bottom plate, the upper end of the fixed plate is fixedly connected with the top plate, the back blowing device access hole and the filter element observation window are arranged on the second vertical plate, the back blowing device access hole is positioned between the cooler and the fixed plate, and the filter element observation window is positioned on the right side of the fixed plate;
if the filter core is perpendicular to the bottom plate, the fixed plate is an arc-shaped plate, the lower end of the fixed plate is fixedly connected with the bottom plate, the upper end of the fixed plate is fixedly connected with the first vertical plate, the blowback device access hole and the filter core observation window are arranged on the first vertical plate, the blowback device access hole is located above the joint of the fixed plate and the first vertical plate, and the filter core observation window is located below the joint of the fixed plate and the first vertical plate.
7. The environmentally friendly backpack blower of claim 6, wherein: the air outlet of the fan is arranged on the plane plate, and the air inlet of the fan is provided with a shutter baffle.
8. The environmentally friendly backpack blower of claim 7, wherein: the dust collecting port is connected with the dust collecting bag through a dust collecting pipe.
9. The environmentally friendly backpack blower of claim 8, wherein: the control unit also controls the first electromagnetic valve and the second electromagnetic valve to be opened or closed, and when the control unit controls the back flushing device and/or the vibrator to start working, the control unit controls the corresponding electromagnetic valve to be opened; when the control unit controls the back-blowing device and/or the rapping device to stop working, the control unit controls the corresponding electromagnetic valve to close.
10. An electric machine characterized by: comprising a motor housing, further comprising the environmentally friendly backpack blower of any one of claims 1 to 9;
one end of the motor shell is provided with a motor air inlet, and the other end of the motor shell is provided with a motor air outlet; the environment-friendly backpack fan is arranged on the motor shell, the motor air outlet is communicated with the fan air inlet, and the motor air inlet is communicated with the fan air outlet;
the size of the orthographic projection of the plane plate is consistent with or larger than that of the orthographic projection of the motor shell; and a motor overhaul port is formed in the right vertical plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011291941.7A CN112460054A (en) | 2020-11-18 | 2020-11-18 | Environment-friendly knapsack fan and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011291941.7A CN112460054A (en) | 2020-11-18 | 2020-11-18 | Environment-friendly knapsack fan and motor |
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| CN112460054A true CN112460054A (en) | 2021-03-09 |
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| CN202011291941.7A Pending CN112460054A (en) | 2020-11-18 | 2020-11-18 | Environment-friendly knapsack fan and motor |
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| CN208320225U (en) * | 2018-03-28 | 2019-01-04 | 浙江润洁环境科技股份有限公司 | A kind of convenient noise reduction sack cleaner of deashing |
| CN209092916U (en) * | 2018-11-17 | 2019-07-12 | 李昶志 | An electrical automatic dust removal device |
| CN211209509U (en) * | 2019-12-31 | 2020-08-07 | 江苏兆胜科技股份有限公司 | 6MW marine air-water cooler |
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2020
- 2020-11-18 CN CN202011291941.7A patent/CN112460054A/en active Pending
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| JP2003061308A (en) * | 2001-08-10 | 2003-02-28 | Honda Motor Co Ltd | Draft cooling device of dc motor |
| CN201126996Y (en) * | 2007-12-04 | 2008-10-01 | 付涛 | Motor-air water cooler |
| CN203387365U (en) * | 2013-08-16 | 2014-01-08 | 武汉钢铁(集团)公司 | Motor cooling box of inner leakage prevention type |
| CN104505985A (en) * | 2014-12-26 | 2015-04-08 | 南车株洲电机有限公司 | Backpack cooler for motors |
| CN207805252U (en) * | 2017-12-28 | 2018-09-04 | 杭州源泉净化设备有限公司 | A kind of round cloth bag single-machine dust remover |
| CN208320225U (en) * | 2018-03-28 | 2019-01-04 | 浙江润洁环境科技股份有限公司 | A kind of convenient noise reduction sack cleaner of deashing |
| CN209092916U (en) * | 2018-11-17 | 2019-07-12 | 李昶志 | An electrical automatic dust removal device |
| CN211209509U (en) * | 2019-12-31 | 2020-08-07 | 江苏兆胜科技股份有限公司 | 6MW marine air-water cooler |
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