CN217063284U - Dust blowing and sucking device - Google Patents
Dust blowing and sucking device Download PDFInfo
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- CN217063284U CN217063284U CN202220217313.2U CN202220217313U CN217063284U CN 217063284 U CN217063284 U CN 217063284U CN 202220217313 U CN202220217313 U CN 202220217313U CN 217063284 U CN217063284 U CN 217063284U
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Abstract
The utility model provides a blow the dust catcher, blow the dust catcher and include: the blowing and suction assembly is used for generating blowing and suction airflow; a dust bin assembly for collecting dust; the air outlet assembly is used for realizing air outlet; the lithium battery is used for providing electric energy for the dust blowing and absorbing assembly; the circuit board is provided with a quick charging module; wherein, fill the module soon and include: the charging interface chip is used for connecting charging equipment; the quick charging protocol chip is connected with the charging interface chip and is used for realizing protocol communication with the charging interface chip; the boost circuit is connected with the lithium battery; and the boost-buck control chip is used for acquiring the charging power of the charging equipment through the quick charging protocol chip and the charging interface chip and controlling the boost-buck circuit to charge the lithium battery in a boost mode or a buck mode according to the acquired charging power.
Description
Technical Field
The utility model relates to a cleaning device technical field, concretely relates to blow dust catcher.
Background
When cleaning objects, it is usually necessary to suck or blow away dust on the surface of the objects, and the dust blower in the prior art usually includes rechargeable batteries, a motor, fan blades, a control chip, and the like. The chip controls the motor to drive the fan blades to rotate to generate high-speed airflow, and dirt, dust and the like on the surface can be taken away when the airflow passes through the surface of an object, so that accumulated dust can be effectively cleaned.
However, the prior art dust blower has the following disadvantages in use:
1. only 5V/2A common charging is supported, 7 hours are consumed for each full charging, and the charging time is too long.
2. In the using and charging process, the battery capacity and the charging progress cannot be judged. The battery is easy to be charged and discharged excessively, and the service life of the battery is greatly influenced.
3. After the dust collection function is used, dust is stored in the garbage bin in a centralized manner, the garbage bin at the dust collection part needs to be detached integrally to clean the dust in the garbage bin, and the operation is extremely inconvenient.
Disclosure of Invention
The utility model provides a blow the dust catcher, blow the built-in module that fills soon of dust catcher to improve the speed of charging.
In order to solve the technical problem, the utility model discloses a technical scheme is: a blow and suction cleaner, comprising:
the blowing and dust-absorbing assembly is used for generating blowing and dust-absorbing airflow;
a dust bin assembly for collecting dust;
the air outlet assembly is used for realizing air outlet;
the lithium battery is used for providing electric energy for the dust blowing and sucking component; and
the circuit board is provided with a quick charging module;
wherein, fill the module soon and include:
the charging interface chip is used for connecting charging equipment;
the quick charging protocol chip is connected with the charging interface chip and is used for realizing protocol communication with the charging interface chip;
the voltage-boosting circuit is connected with the lithium battery; and
and the boost-buck control chip is used for acquiring the charging power of the charging equipment through the quick charging protocol chip and the charging interface chip and controlling the boost-buck circuit to charge the lithium battery in a boost or buck mode according to the acquired charging power.
Preferably, the dust collection bin assembly comprises a dust collection bin and a dust collection bin cover which are arranged in an opening and closing mode.
Preferably, one side of the dust collection bin and one side of the dust collection bin cover are hinged, and the other side of the dust collection bin and the dust collection bin cover are opened and closed through an opening and closing button.
Preferably, the data communication end of the quick charging protocol chip is connected with the data communication interface of the charging interface chip; the detection ends of the charging interface chip and the quick charging protocol chip are respectively connected with the detection end of the buck-boost control chip and the input end of the buck-boost circuit.
Preferably, the buck-boost circuit comprises:
the first bridge arm comprises a first upper half bridge arm switching tube and a first lower half bridge arm switching tube;
the second bridge arm comprises a second upper half bridge arm switching tube and a second lower half bridge arm switching tube; and
the two ends of the inductor are respectively connected with the middle point of the first bridge arm and the middle point of the second bridge arm;
a first conduction end of a first upper half bridge arm switching tube of the first bridge arm forms an output end of the boost-buck circuit, and the output end of the boost-buck circuit is connected with the lithium battery;
and a first conduction end of a second upper half bridge arm switching tube of the second bridge arm forms an input end of a voltage boosting circuit, and the input end of the voltage boosting circuit is connected with the detection end of the quick charge protocol chip.
Preferably, the first conducting end of the first upper half bridge arm switch tube of the first bridge arm and the first conducting end of the second upper half bridge arm switch tube of the second bridge arm are connected with the buck-boost control chip.
Preferably, still set up battery protection chip on the circuit board, battery protection chip with the lithium cell is connected, is used for right the lithium cell protects.
Preferably, still set up battery fuel gauge chip on the circuit board, battery fuel gauge chip with the lithium cell is used for realizing to the electric quantity of lithium cell measures.
Preferably, the circuit board is further provided with an MCU chip and a display chip, the MCU chip is respectively connected with the battery electricity meter chip and the display chip, and the MCU chip is used for acquiring the electric quantity of the lithium battery and displaying the electric quantity through the display chip.
Preferably, a driving circuit is further arranged on the circuit board, and two ends of the driving circuit are respectively connected with the MCU chip and the dust blowing and sucking component, so that the MCU chip drives the dust blowing and sucking component.
The utility model has the advantages and positive effects that: the utility model discloses a blow built-in module of filling soon of ware, can improve blow the charging power of dirt ware to reduce charge time, and then improve charge efficiency.
In a preferred embodiment, the dust collection bin and the dust collection bin cover jointly form a bin body for containing garbage, and the dust collection bin cover can be opened and closed so as to conveniently clean the garbage in the bin body.
In the preferred embodiment, the dust blower is provided with a display chip to display the electric quantity of the lithium battery, the electric quantity of the lithium battery can be accurately known by observing the display module, and the phenomenon that the service time is estimated by mistake because the residual electric quantity is not known is avoided. Meanwhile, excessive charge and discharge are avoided, and the service life of the battery is greatly prolonged.
Drawings
Fig. 1 is a schematic perspective view of a vacuum blower according to an embodiment of the present invention;
figure 2 shows an exploded view of a dust blower according to an embodiment of the invention;
FIG. 3 is a schematic structural view showing an opened state of the dust collecting chamber and the dust collecting chamber cover according to the embodiment of the present invention;
fig. 4 shows a schematic circuit diagram of the charging interface chip and the fast charging protocol chip according to the embodiment of the present invention;
fig. 5 shows a schematic circuit diagram of a buck-boost control chip according to an embodiment of the present invention;
fig. 6 shows a circuit schematic of a buck-boost circuit in accordance with an embodiment of the present invention;
fig. 7 shows a schematic circuit diagram of a battery protection chip and a battery fuel gauge chip according to an embodiment of the present invention;
fig. 8 shows a schematic circuit diagram of the MCU chip and the display chip according to the embodiment of the present invention;
fig. 9 shows a driving circuit and a circuit schematic diagram of the driving circuit according to an embodiment of the present invention.
Detailed Description
For a better understanding of the present invention, the present invention will be further described with reference to the following detailed description and accompanying drawings.
Fig. 1 is a schematic perspective view of a vacuum blower according to an embodiment of the present invention; fig. 2 shows an exploded view of the blowing and suction cleaner according to an embodiment of the present invention, as shown in fig. 1 and fig. 2, the blowing and suction cleaner includes a housing 110, a blowing and suction assembly, a circuit board 130, a dust collection bin assembly 150, an air outlet assembly 140, and a lithium battery 160, the blowing and suction assembly, the circuit board 130, and the lithium battery 160 are located inside the housing 100, wherein a cavity is provided inside the housing 110 for accommodating the blowing and suction assembly, the circuit board 130, and the lithium battery 160. The housing 110 has a closed end and an open end, and the open end is connected to the dust bin assembly 150. The air outlet assembly 140 is located at a side of the housing 110. In the embodiment of the utility model provides an in, blow the dust absorption subassembly and can work in dust absorption mode and blow the dirt mode.
As shown in fig. 2, the housing includes a first mounting case 111 and a second mounting case 112, the first mounting case 111 and the second mounting case 112 are fastened together, and hollow cavities inside the first mounting case 111 and the second mounting case 112 are used for accommodating the dust blowing and absorbing assembly, the circuit board 130 and the lithium battery 160.
The dust blowing and sucking component comprises a motor 121 and shock absorption silica gel 122 wrapped outside the motor 121. The motor 121 rotates to generate high-speed airflow in forward and reverse directions. The shock-absorbing silica gel 122 isolates the motor 121 from the circuit board 130, the lithium battery 160 and the housing to play a shock-absorbing role.
The circuit board 130 is connected with the motor 121 through an opening on the shock-absorbing silica gel 122, and is used for driving the motor 121 to rotate; the lithium battery 160 is connected to the circuit board 130, and is used for supplying power to the circuit board 130. The dust blower assembly and the circuit board 130 are fastened together to form a cavity by, for example, bolting the first mounting case 111 and the second mounting case 112.
The blowing assembly comprises a rotary shell 141 sleeved on the outer side of the shell and an air outlet pipe 142 connected with the rotary shell 141, the rotary shell 141 is a cylindrical shell with two open ends, the rotary shell 141 is sleeved on the outer side of one open end of the shell, an air outlet 1411 is formed in the side surface of the rotary shell 141, and the air outlet 1411 is communicated with the inside and the outside of the shell through a through hole 113 formed in one side of the shell.
An opening 1412 is formed in a side wall of the air outlet 1411, and the air outlet 1411 is used for installing the air outlet pipe 142. Specifically, a blocking member 143 and a joint 144 rotatably connected to the blocking member 143 are disposed in the air outlet 1411. One end of the joint 144 is hinged to the stop member 143, and the other end of the joint has a connector through which the air duct is detachably connected to the joint 144. The joint 144 is used for realizing the rotational connection of the air outlet pipe 142 with the blocking member 143, and the air pipe 142 can be rotated relative to the housing 110 through the joint 144, so that the air pipe 142 can be perpendicular to the housing 110 or parallel to the housing 110. The joint 144 and the blocking part 143 are provided with through holes to communicate with the inside of the housing. The vacuum blower blows air to the outside of the housing through the air outlet duct 142.
The dust collecting bin assembly 150 comprises a dust collecting bin 151, a dust collecting bin cover 152, a dust collecting pipe 153 and a brush pipe 154 which are sequentially communicated. One end of the dust collection bin 151 is connected with one end of the opening of the shell 110 through a bin bottom cover 155, wherein a filter screen is arranged in the center of the bin bottom cover 155, so that the secondary storage bin 151 is communicated with the cavity inside the shell, and meanwhile, the air flow is filtered. A filter element 156 is installed inside the dust collection bin 151 to filter the airflow passing through the dust collection bin 151.
FIG. 3 is a schematic structural view showing an opened state of the dust collecting chamber and the dust collecting chamber cover according to the embodiment of the present invention; as shown in fig. 3, an end of the dust collection bin 151 away from the housing 110 is connected to the dust collection bin cover 152. In this embodiment, the dust collection bin 151 and the dust collection bin cover 152 together form a bin body for containing garbage, and the dust collection bin 151 and the dust collection bin cover 152 can be opened and closed to conveniently clean the garbage in the bin body. One sides of the dust collection bin 151 and the dust collection bin cover 152 are hinged, and the other sides of the dust collection bin 151 and the dust collection bin cover 152 are opened and closed through an opening and closing button 158. The inside rotation of dust absorption storehouse lid 152 is connected with silica gel separation blade 157, and silica gel separation blade 157 can obstruct rubbish and enter into cross in the filter core 156 of dust absorption storehouse 151 inside.
When the blowing dust collector works in a dust collection mode, the motor 121 rotates rapidly, vacuum negative pressure is formed inside the motor 121, air enters the dust collector motor after passing through the dust collection pipe 153, the dust collection bin cover 152, the dust collection bin 151, the filter element 156 in the dust collection bin 151 and the bin bottom cover 155 under the action of vacuum, suction force is formed, dust, paper dust and other garbage are collected in the dust collection bin 151, and the blowing dust collector is in a dust collection state. When the dust blowing and absorbing device works in a dust blowing mode, the air outlet pipe 142 is turned over and rotated to be in a transverse shape along the position of the opening 1412, the motor 121 rotates rapidly, a cavity is formed under the sealing effect of the shock absorption silica gel 122 and the shell, air in the motor continuously blows air into the cavity, high pressure is formed in the cavity, and the high-pressure air is discharged out of the shell through the position blocking piece 143, the connector 144 and the air outlet pipe 142 to form air blowing.
The circuit board 130 is provided with a fast charging module, and the fast charging module comprises a charging interface chip 131, a fast charging protocol chip 132, a buck-boost control chip 133 and a buck-boost circuit 134. The charging interface chip 131 is used for connecting a charging device; the quick charging protocol chip 132 is configured to implement protocol communication with the charging interface chip 131; the buck-boost control chip 133 is configured to obtain the charging power of the charging device via the fast charging protocol chip 132 and the charging interface chip 131, and control the buck-boost circuit 134 to operate in a boost mode or a buck mode according to the obtained charging power.
Fig. 4 shows a schematic circuit diagram of the charging interface chip and the quick charging protocol chip of the embodiment of the present invention, as shown in fig. 4, the data communication end (UDP, UDM) of the quick charging protocol chip 132 is connected to the data communication interface (a6, a7, B6, B7) of the charging interface chip 131, and the pins (CC1, CC2) of the quick charging protocol chip 132 are connected to the pins (CC1, CC2) of the charging interface chip 131 respectively; the charging interface chip 131 and the detection terminal (VBUS) of the fast charging protocol chip 132 are respectively connected to the detection terminal (VBUS) of the buck-boost control chip 133 and the input terminal of the buck-boost circuit 134.
Fig. 5 shows a schematic circuit diagram of a buck-boost control chip according to an embodiment of the present invention, and fig. 6 shows a schematic circuit diagram of a buck-boost circuit according to an embodiment of the present invention; as shown in fig. 5 and 6, the buck-boost circuit 134 includes a first bridge arm, a second bridge arm, and an inductor L1, the first bridge arm includes a first upper half bridge arm switching tube Q3 and a first lower half bridge arm switching tube Q4, the second bridge arm includes a second upper half bridge arm switching tube Q5 and a second lower half bridge arm switching tube Q6, and two ends of the inductor L are respectively connected to a middle point of the first bridge arm and a middle point of the second bridge arm.
The first conducting end D of the first upper half bridge arm switching tube Q3 of the first bridge arm forms an output end of the boost-buck circuit, the output end of the boost-buck circuit is connected with the lithium battery, the first conducting end D of the second upper half bridge arm switching tube Q5 of the second bridge arm forms an input end of the boost-buck circuit, and the input end of the boost-buck circuit is connected with the detection end (VBUS) of the fast charge protocol chip 132. The control end of a first upper half bridge arm switching tube Q3 of the first bridge arm is connected with a pin HG1 of the buck-boost control chip 133, and the control end of a first lower half bridge arm switching tube Q4 of the first bridge arm is connected with a pin LG1 of the buck-boost control chip 133; the control end of the second upper half bridge arm switching tube Q5 of the second bridge arm is connected with the pin HG2 of the buck-boost control chip 133, and the control end of the second lower half bridge arm switching tube Q6 of the second bridge arm is connected with the pin LG2 of the buck-boost control chip 133.
The first conducting end D of the first upper half bridge arm switching tube Q3 of the first bridge arm is further connected with pins CSP1 and CSN1 of the buck-boost control chip 133; the first conducting end D of the second upper half bridge arm switching tube Q5 of the second bridge arm is connected with pins CSP2 and CSN2 of the buck-boost control chip 133. The buck-boost circuit may operate in a sound pressure mode or a buck mode under the control of the buck-boost control chip 133.
In the embodiment of the present invention, the charging interface chip 131 is, for example, the TYPE-C1 charging interface, the protocol chip 132 is, for example, the CH236 chip, and the buck-boost control chip 133 is, for example, the PL5501 chip. Each of the upper half-bridge arm switching tubes and each of the lower half-bridge arm switching tubes (i.e., the switching tubes Q3 to Q6) is, for example, a field-effect tube ZMS053N03M, and a gate, a drain and a source of the switching tube respectively form a control terminal, a first conducting terminal and a second conducting terminal of the switching tube.
The circuit board 130 is further provided with a battery protection chip 135, a battery fuel gauge chip 136, an MCU chip 137 and a display chip 138.
Fig. 7 shows the circuit schematic diagram of the battery protection chip and the battery electricity meter chip of the embodiment of the present invention, as shown in fig. 7, the battery protection chip 135 is connected to the lithium battery 160 for protecting the lithium battery 160, and the battery electricity meter chip 136 is connected to the lithium battery 160 for measuring the electric quantity of the lithium battery. In the present embodiment, the battery protection chip 135 is, for example, a TMI4031 chip, and the battery fuel gauge chip 136 is, for example, a CW2017 chip.
Fig. 8 shows a schematic circuit diagram of the MCU chip and the display chip according to an embodiment of the present invention, as shown in fig. 8, the pin PA0 and the pin PC4 of the MCU chip 137 are respectively connected to the pin SCL and the pin SDA of the battery fuel gauge chip 136 to obtain the electric quantity of the lithium battery 160, and the electric quantity is displayed via the display chip 138, wherein the display chip 138 is respectively connected to the pins PA1, PA2, PA3, PC0, and PC1 of the MCU chip 137.
The display chip 138 can be selectively disposed outside the housing to enable observation of the charge of the lithium battery.
Still set up drive circuit 139 on the circuit board 130, fig. 9 shows the drive circuit of the embodiment of the utility model and drive circuit's schematic circuit diagram, as shown in fig. 9, drive circuit 139's both ends respectively with the MCU chip 137 with the motor 121 is connected, in order to realize the MCU chip 137 is right the drive of motor 121.
The utility model discloses a blow built-in module of filling soon of ware, can improve blow the charging power of dust catcher to reduce charge time, and then improve charge efficiency. In a specific embodiment, the quick charge module supports an 18W quick charge technology, only 4 hours of time is needed for each full charge, and the efficiency is improved by 43% compared with the original efficiency.
In the preferred embodiment, the dust blowing and sucking device is provided with a display chip to the electric quantity of lithium cell is shown, can accurately know the electric quantity of lithium cell through observing the display module, avoids because of not knowing the residual capacity wrong estimation live time. Meanwhile, excessive charge and discharge are avoided, and the service life of the battery is greatly prolonged.
The above detailed description of the embodiments of the present invention is only for the purpose of describing the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (10)
1. A blowing and sucking dust device is characterized in that: the blowing dust collector comprises:
the blowing and suction assembly is used for generating blowing and suction airflow;
a dust bin assembly for collecting dust;
the air outlet assembly is used for realizing air outlet;
the lithium battery is used for providing electric energy for the dust blowing and absorbing assembly; and
the circuit board is provided with a quick charging module;
wherein, fill the module soon and include:
the charging interface chip is used for connecting charging equipment;
the quick charging protocol chip is connected with the charging interface chip and is used for realizing protocol communication with the charging interface chip;
the boost circuit is connected with the lithium battery; and
and the voltage boosting and reducing control chip is used for acquiring the charging power of the charging equipment through the quick charging protocol chip and the charging interface chip and controlling the voltage boosting and reducing circuit to charge the lithium battery in a voltage boosting or voltage reducing mode according to the acquired charging power.
2. The dust blower according to claim 1, wherein: the dust collection bin assembly comprises a dust collection bin and a dust collection bin cover which are arranged in an opening and closing mode.
3. The blowing and suction cleaner of claim 2, wherein: the dust collection bin is hinged to one side of the dust collection bin cover, and the other side of the dust collection bin is opened and closed through the opening and closing button.
4. The dust blower according to claim 1, wherein: the data communication end of the rapid charging protocol chip is connected with the data communication interface of the charging interface chip; the detection ends of the charging interface chip and the quick charging protocol chip are respectively connected with the detection end of the buck-boost control chip and the input end of the buck-boost circuit.
5. The blowing and sucking device of claim 1, wherein: the buck-boost circuit includes:
the first bridge arm comprises a first upper half bridge arm switching tube and a first lower half bridge arm switching tube;
the second bridge arm comprises a second upper half bridge arm switching tube and a second lower half bridge arm switching tube; and
the two ends of the inductor are respectively connected with the middle point of the first bridge arm and the middle point of the second bridge arm;
a first conduction end of a first upper half bridge arm switching tube of the first bridge arm forms an output end of a boost-buck circuit, and the output end of the boost-buck circuit is connected with the lithium battery;
and a first conduction end of a second upper half bridge arm switching tube of the second bridge arm forms an input end of a voltage boosting circuit, and the input end of the voltage boosting circuit is connected with the detection end of the quick charge protocol chip.
6. The blowing and suction cleaner of claim 5, wherein: and a first conduction end of a first upper half bridge arm switching tube of the first bridge arm and a first conduction end of a second upper half bridge arm switching tube of the second bridge arm are connected with the buck-boost control chip.
7. The dust blower according to claim 1, wherein: the circuit board is further provided with a battery protection chip, and the battery protection chip is connected with the lithium battery and used for protecting the lithium battery.
8. The blowing and sucking device of claim 1, wherein: still set up battery fuel gauge chip on the circuit board, battery fuel gauge chip with the lithium cell is used for realizing right the electric quantity of lithium cell is measured.
9. The blowing suction cleaner of claim 8, wherein: the circuit board is further provided with an MCU chip and a display chip, the MCU chip is respectively connected with the battery electric quantity meter chip and the display chip, and the MCU chip is used for acquiring the electric quantity of the lithium battery and displaying the electric quantity through the display chip.
10. The dust blower of claim 9, wherein: the circuit board is further provided with a driving circuit, and two ends of the driving circuit are respectively connected with the MCU chip and the dust blowing and absorbing assembly, so that the MCU chip drives the dust blowing and absorbing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220217313.2U CN217063284U (en) | 2022-01-26 | 2022-01-26 | Dust blowing and sucking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220217313.2U CN217063284U (en) | 2022-01-26 | 2022-01-26 | Dust blowing and sucking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217063284U true CN217063284U (en) | 2022-07-26 |
Family
ID=82484565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220217313.2U Active CN217063284U (en) | 2022-01-26 | 2022-01-26 | Dust blowing and sucking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217063284U (en) |
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2022
- 2022-01-26 CN CN202220217313.2U patent/CN217063284U/en active Active
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