CN112294187A - Dust cup dust amount detection device of dust collector and detection method thereof - Google Patents
Dust cup dust amount detection device of dust collector and detection method thereof Download PDFInfo
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- CN112294187A CN112294187A CN201910705084.1A CN201910705084A CN112294187A CN 112294187 A CN112294187 A CN 112294187A CN 201910705084 A CN201910705084 A CN 201910705084A CN 112294187 A CN112294187 A CN 112294187A
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- 239000000428 dust Substances 0.000 title claims abstract description 68
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims abstract description 82
- 238000009825 accumulation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2805—Parameters or conditions being sensed
- A47L9/281—Parameters or conditions being sensed the amount or condition of incoming dirt or dust
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- Electric Vacuum Cleaner (AREA)
Abstract
The invention provides a dust cup dust amount detection device of a dust collector, which comprises a sensor, an amplifier and a power supply circuit, wherein the sensor is connected with the positive end of the amplifier through a signal input circuit, a first resistor is arranged on the signal input circuit, the negative end of the amplifier is connected with a first resistor circuit, a second resistor is arranged on the first resistor circuit, the amplifier is connected with a signal output circuit, a third resistor is arranged on the signal output circuit, a first capacitor circuit is connected on the signal output circuit, the end part of the first capacitor circuit is grounded, a first capacitor is arranged on the first capacitor circuit, and the amplifier is arranged on the power supply circuit. The invention also provides a detection method. Compared with the prior art, the invention can realize automatic adjustment of the data signal current and ensure the normal use function of the circuit.
Description
Technical Field
The invention relates to the field of dust collectors, in particular to a dust cup dust amount detection device and a detection method of a dust collector.
Background
The vacuum cleaner is a cleaning device widely used in advanced human lives and industrial production, and its birth has been developed for over one hundred years now. The working principle of the dust collector is that a motor is used for driving blades to rotate at a high speed, air negative pressure is generated in a sealed shell, and then dust is sucked through an external dust suction pipe.
In the existing dust collector, a detection circuit for detecting the dust height in a dust cup mainly sends data to a chip after the detection of a sensor, but in the existing detection circuit, the problem that the transmission is slow or even overloaded due to overlarge current sometimes occurs when a data signal is transmitted, so that the function of the circuit is easy to fail.
Disclosure of Invention
In view of this, the invention provides a device and a method for detecting dust amount in a dust cup of a vacuum cleaner, which can automatically adjust data signal current and ensure the normal use function of a circuit.
In one aspect, the invention provides a dust cup dust amount detection device of a dust collector, which comprises a sensor, an amplifier and a power supply circuit, wherein the sensor is connected with the positive terminal of the amplifier through a signal input circuit, a first resistor is arranged on the signal input circuit, the negative terminal of the amplifier is connected with a first resistor circuit, a second resistor is arranged on the first resistor circuit, the amplifier is connected with a signal output circuit, a third resistor is arranged on the signal output circuit, a first capacitor circuit is connected on the signal output circuit, the end part of the first capacitor circuit is grounded, a first capacitor is arranged on the first capacitor circuit, the amplifier is arranged on the power supply circuit, one end of the power supply circuit is connected with a power supply, the other opposite end of the power supply circuit is grounded, a second capacitor circuit is connected on the power supply circuit, the end part of the second capacitor circuit is grounded, a second capacitor is arranged on the second capacitor circuit, and a third capacitor circuit is arranged between the power supply circuit and the second capacitor, the third capacitor circuit is provided with a third capacitor, the third capacitor and the second capacitor are arranged in parallel, a fourth capacitor circuit is arranged between the first resistor circuit and the signal output circuit, a fourth capacitor is arranged on the fourth capacitor circuit, the fourth capacitor circuit is further connected with a second resistor circuit, and a fourth resistor is arranged on the second resistor circuit.
Further, a third resistor circuit is connected to the signal input circuit, an end of the third resistor circuit is grounded, and a fifth resistor is provided in the third resistor circuit.
Furthermore, a fifth capacitor circuit is connected to the signal input circuit, and is arranged in parallel with the third resistor circuit, and a fifth capacitor is disposed on the fifth capacitor circuit.
Furthermore, the signal output circuit is connected with a control chip, and the control chip is electrically connected with the display panel.
Furthermore, the control chip is electrically connected with a chip power supply circuit, the chip power supply circuit is connected with a +5V direct current power supply, and a sixth capacitor is arranged on the chip power supply circuit.
Furthermore, a sixth capacitor circuit is connected to the chip power supply circuit, the sixth capacitor circuit is electrically connected to the control chip, and a seventh capacitor is arranged on the sixth capacitor circuit.
In another aspect, the present invention provides a method for detecting a dust amount in a dust cup of a vacuum cleaner, comprising the steps of:
1) the sensor detects the height of dust accumulation in the dust cup, and height data are formed and then input to the amplifier through the signal input circuit;
2) the amplifier continuously sends the height data to the control chip through the signal output circuit;
3) when the signal flow of the height data exceeds the set resistance value of the third resistor, the signal flow is sent to the first resistor circuit through the fourth capacitor circuit, and the current is reduced after the fourth capacitor is charged by the signal flow;
4) the signal flow returns through the first resistance circuit and returns to the signal input circuit through the second resistance circuit, and then is continuously sent to the control chip;
and the set resistance value of the third resistor is equal to the set resistance value of the fourth resistor.
In the dust cup dust amount detection device and the detection method thereof of the dust collector, the sensor detects the height of dust accumulation in the dust cup to form height data, when the signal flow of the height data exceeds the set resistance value of the third resistor in transmission, the signal flow is sent to the first resistor circuit through the fourth capacitor circuit, and the current is reduced after the signal flow charges the fourth capacitor; through the working principle of the scheme, the overload protection of the current can be formed during signal transmission, the stability of the signal transmission is ensured, the automatic adjustment of the data signal current is realized, and the normal use function of the circuit is ensured.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a dust cup dust amount detection device of a vacuum cleaner according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a dust cup dust amount detection device of a vacuum cleaner according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 2, there is shown a dust cup dust amount detecting device of a vacuum cleaner according to an embodiment of the present invention, which includes a sensor 1, an amplifier 2 and a power supply circuit 3, wherein the sensor 1 is connected to a positive terminal of the amplifier 2 through a signal input circuit 11, the signal input circuit 11 is provided with a first resistor R26, a negative terminal of the amplifier 2 is connected to a first resistor circuit 21, the first resistor circuit 21 is provided with a second resistor R29, the amplifier 2 is connected to a signal output circuit 22, the signal output circuit 22 is provided with a third resistor R27, the signal output circuit 22 is connected to a first capacitor circuit 23, an end of the first capacitor circuit 23 is grounded, the first capacitor circuit 23 is provided with a first capacitor C21, the amplifier 2 is provided on the power supply circuit 3, one end of the power supply circuit 3 is connected to a power supply, the other opposite end is grounded, the power supply circuit 3 is connected to a second capacitor circuit 31, the end of the second capacitor circuit 31 is grounded, the second capacitor circuit 31 is provided with a second capacitor C17, a third capacitor circuit 33 is further arranged between the power supply circuit 3 and the second capacitor circuit 31, the third capacitor circuit 33 is provided with a third capacitor C20, the third capacitor C20 and the second capacitor C17 are arranged in parallel, a fourth capacitor circuit 4 is arranged between the first resistor circuit 21 and the signal output circuit 22, the fourth capacitor circuit 4 is provided with a fourth capacitor C24, the fourth capacitor circuit 4 is further connected with a second resistor circuit 42, and the second resistor circuit 42 is provided with a fourth resistor R31.
The working process of the device is as follows:
s1: the sensor 1 detects the height of dust accumulation in the dust cup, and the height data is formed and then is input to the amplifier 2 through the signal input circuit 11;
s2: the amplifier 2 continues to send the height data to the control chip 5 through the signal output circuit 22;
s3: when the signal flow of the height data exceeds the set resistance value of the third resistor R27, the signal flow is sent to the first resistor circuit 21 through the fourth capacitor circuit 4, and the signal flow reduces the current after charging the fourth capacitor C24;
s4: the signal flow returns through the first resistance circuit 21 and returns to the signal input circuit 11 through the second resistance circuit 42, and then continues to be sent to the control chip 5;
wherein, the set resistance of the third resistor R27 is equal to the set resistance of the fourth resistor R31.
In the dust cup dust amount detection device of the dust collector provided by the embodiment, the sensor detects the height of dust accumulation in the dust cup to form height data, when the signal flow of the height data exceeds the set resistance value of the third resistor in transmission, the signal flow is sent to the first resistor circuit through the fourth capacitor circuit, and the current is reduced after the signal flow charges the fourth capacitor; through the working principle of the scheme, the overload protection of the current can be formed during signal transmission, the stability of the signal transmission is ensured, the automatic adjustment of the data signal current is realized, and the normal use function of the circuit is ensured.
Example two:
referring to fig. 1 to 2, there is shown a dust cup dust amount detecting device of a vacuum cleaner according to a second embodiment of the present invention, which further adopts the following technical solutions as improvements on the basis of the above embodiments: the signal input circuit 11 is connected with a third resistance circuit 12, the end part of the third resistance circuit 12 is grounded, and a fifth resistance R24 is arranged on the third resistance circuit 12; and a fifth capacitance circuit 13 is connected to the signal input circuit 11, and is arranged in parallel with the third resistance circuit 12, and a fifth capacitance C18 is provided on the fifth capacitance circuit 13. Through the arrangement of the structure, the stable grounding effect of the signal input circuit can be realized.
Example three:
referring to fig. 1 to 2, a dust cup dust amount detecting device of a vacuum cleaner according to a third embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: the signal output circuit 22 is connected with the control chip 5, the control chip 5 is electrically connected with the display panel 51, the control chip 5 is electrically connected with the chip power supply circuit 52, the chip power supply circuit 52 is connected with a +5V direct current power supply, a sixth capacitor C6 is arranged on the chip power supply circuit 52, a sixth capacitor circuit 53 is connected on the chip power supply circuit 52, the sixth capacitor circuit 53 is simultaneously electrically connected with the control chip 5, and a seventh capacitor C7 is arranged on the sixth capacitor circuit 53. Through the arrangement of the structure, the signal output circuit can stably input signals to the control chip.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The dust cup dust amount detection device of the dust collector is characterized by comprising a sensor (1), an amplifier (2) and a power supply circuit (3), wherein the sensor (1) is connected with the positive end of the amplifier (2) through a signal input circuit (11), the signal input circuit (11) is provided with a first resistor (R26), the negative end of the amplifier (2) is connected with a first resistor circuit (21), the first resistor circuit (21) is provided with a second resistor (R29), the amplifier (2) is connected with a signal output circuit (22), the signal output circuit (22) is provided with a third resistor (R27), the signal output circuit (22) is connected with a first capacitor circuit (23), the end part of the first capacitor circuit (23) is grounded, and the first capacitor circuit (23) is provided with a first capacitor (C21), the amplifier (2) is arranged on the power supply circuit (3), one end of the power supply circuit (3) is connected with a power supply, the other opposite end of the power supply circuit is grounded, a second capacitor circuit (31) is connected on the power supply circuit (3), the end part of the second capacitor circuit (31) is grounded, a second capacitor (C17) is arranged on the second capacitor circuit (31), a third capacitor circuit (33) is further arranged between the power supply circuit (3) and the second capacitor circuit (31), a third capacitor (C20) is arranged on the third capacitor circuit (33), the third capacitor (C20) and the second capacitor (C17) are arranged in parallel, a fourth capacitor circuit (4) is arranged between the first resistor circuit (21) and the signal output circuit (22), and a fourth capacitor (C24) is arranged on the fourth capacitor circuit (4), and the fourth capacitor circuit (4) is also connected with a second resistor circuit (42), and a fourth resistor (R31) is arranged on the second resistor circuit (42).
2. The dust cup dust amount detecting device of a vacuum cleaner according to claim 1, wherein a third resistor circuit (12) is connected to the signal input circuit (11), an end of the third resistor circuit (12) is grounded, and a fifth resistor (R24) is provided on the third resistor circuit (12).
3. The dust cup dust amount detecting device of a vacuum cleaner according to claim 2, wherein a fifth capacitance circuit (13) is connected to the signal input circuit (11) and arranged in parallel with the third resistance circuit (12), and a fifth capacitance (C18) is provided on the fifth capacitance circuit (13).
4. The dust cup dust amount detecting device of a vacuum cleaner according to claim 1, wherein the signal output circuit (22) is connected to a control chip (5), and the control chip (5) is electrically connected to the display panel (51).
5. The dust cup dust amount detection device of the dust collector as claimed in claim 4, wherein the control chip (5) is electrically connected with a chip power supply circuit (52), the chip power supply circuit (52) is connected with a +5V DC power supply, and a sixth capacitor (C6) is arranged on the chip power supply circuit (52).
6. The dust cup dust amount detection device of the dust collector as claimed in claim 5, wherein a sixth capacitance circuit (53) is connected to the chip power supply circuit (52), the sixth capacitance circuit (53) is electrically connected to the control chip (5), and a seventh capacitance (C7) is arranged on the sixth capacitance circuit (53).
7. The detecting method of a device for detecting the amount of dust in a cup of a vacuum cleaner as claimed in any one of claims 1 to 6, comprising the steps of:
1) the sensor (1) detects the height of dust accumulation in the dust cup, and the height data is formed and then is input to the amplifier (2) through the signal input circuit (11);
2) the amplifier (2) continues to send the height data to the control chip (5) through the signal output circuit (22);
3) when the signal flow of the height data exceeds the set resistance value of the third resistor (R27), the signal flow is sent to the first resistor circuit (21) through the fourth capacitor circuit (4), and the signal flow reduces the current after charging the fourth capacitor (C24);
4) the signal flow returns through the first resistance circuit (21) and returns to the signal input circuit (11) through the second resistance circuit (42), and then continues to be sent to the control chip (5);
wherein the set resistance value of the third resistor (R27) is equal to the set resistance value of the fourth resistor (R31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705084.1A CN112294187B (en) | 2019-07-31 | 2019-07-31 | Dust cup dust amount detection device and detection method of dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705084.1A CN112294187B (en) | 2019-07-31 | 2019-07-31 | Dust cup dust amount detection device and detection method of dust collector |
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| CN112294187A true CN112294187A (en) | 2021-02-02 |
| CN112294187B CN112294187B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910705084.1A Active CN112294187B (en) | 2019-07-31 | 2019-07-31 | Dust cup dust amount detection device and detection method of dust collector |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4618789A (en) * | 1988-12-19 | 1990-06-21 | Sanyo Electric Co., Ltd. | Vacuum cleaner |
| JP2007006922A (en) * | 2005-06-28 | 2007-01-18 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
| CN1954766A (en) * | 2005-10-25 | 2007-05-02 | 松下电器产业株式会社 | Electric cleaner |
| CN201481301U (en) * | 2009-05-17 | 2010-05-26 | 刘瑜 | Dust testing electronic device of automatic dust collector |
| CN101771355A (en) * | 2010-02-05 | 2010-07-07 | 天津市东文高压电源厂 | Fixed-output isolation high-voltage power supply module |
| CN101981459A (en) * | 2008-03-31 | 2011-02-23 | 电子科学工业有限公司 | Programmable gain trans-impedance amplifier overload recovery circuit |
| CN103441471A (en) * | 2013-08-01 | 2013-12-11 | 中国航天科技集团公司第九研究院第七七一研究所 | Over-current protection circuit of three-way output DC/DC converter |
| CN203368016U (en) * | 2013-07-23 | 2013-12-25 | 深圳市晶福源电子技术有限公司 | Overload current-limiting protection circuit |
| CN104037722A (en) * | 2014-06-18 | 2014-09-10 | 中国航天科技集团公司第九研究院第七七一研究所 | Safety circuit based on load over-current fault |
| CN105520689A (en) * | 2015-12-20 | 2016-04-27 | 成都悦翔翔科技有限公司 | Capacity monitoring system for robot dust remover based on signal processing circuit |
| CN109303521A (en) * | 2017-07-27 | 2019-02-05 | Neato机器人技术公司 | Dust detects level and the detection of laser back scattering dust |
-
2019
- 2019-07-31 CN CN201910705084.1A patent/CN112294187B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4618789A (en) * | 1988-12-19 | 1990-06-21 | Sanyo Electric Co., Ltd. | Vacuum cleaner |
| JP2007006922A (en) * | 2005-06-28 | 2007-01-18 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
| CN1954766A (en) * | 2005-10-25 | 2007-05-02 | 松下电器产业株式会社 | Electric cleaner |
| CN101981459A (en) * | 2008-03-31 | 2011-02-23 | 电子科学工业有限公司 | Programmable gain trans-impedance amplifier overload recovery circuit |
| CN201481301U (en) * | 2009-05-17 | 2010-05-26 | 刘瑜 | Dust testing electronic device of automatic dust collector |
| CN101771355A (en) * | 2010-02-05 | 2010-07-07 | 天津市东文高压电源厂 | Fixed-output isolation high-voltage power supply module |
| CN203368016U (en) * | 2013-07-23 | 2013-12-25 | 深圳市晶福源电子技术有限公司 | Overload current-limiting protection circuit |
| CN103441471A (en) * | 2013-08-01 | 2013-12-11 | 中国航天科技集团公司第九研究院第七七一研究所 | Over-current protection circuit of three-way output DC/DC converter |
| CN104037722A (en) * | 2014-06-18 | 2014-09-10 | 中国航天科技集团公司第九研究院第七七一研究所 | Safety circuit based on load over-current fault |
| CN105520689A (en) * | 2015-12-20 | 2016-04-27 | 成都悦翔翔科技有限公司 | Capacity monitoring system for robot dust remover based on signal processing circuit |
| CN109303521A (en) * | 2017-07-27 | 2019-02-05 | Neato机器人技术公司 | Dust detects level and the detection of laser back scattering dust |
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| CN112294187B (en) | 2024-03-15 |
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