CN112294187B - Dust cup dust amount detection device and detection method of dust collector - Google Patents
Dust cup dust amount detection device and detection method of dust collector Download PDFInfo
- Publication number
- CN112294187B CN112294187B CN201910705084.1A CN201910705084A CN112294187B CN 112294187 B CN112294187 B CN 112294187B CN 201910705084 A CN201910705084 A CN 201910705084A CN 112294187 B CN112294187 B CN 112294187B
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- power supply
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- 239000000428 dust Substances 0.000 title claims abstract description 69
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims abstract description 86
- 238000009825 accumulation Methods 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 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
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
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, the signal output circuit is connected with a first capacitor 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 current of the data signal 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 dust cup dust amount detection method of a dust collector.
Background
The cleaner is a cleaning device widely used in advanced human life and industrial production, and has been developed for over one hundred years from its birth to the present. The working principle of the dust collector is that a motor is used for driving the blades to rotate at high speed, air negative pressure is generated in the sealed shell, and dust is sucked through an external dust suction pipe.
In the current dust collector, a detection circuit for detecting the dust height in the dust cup mainly sends data to a chip after detection by a sensor, but in the current detection circuit, the problem that the transmission is slow or even overloaded due to overlarge current sometimes happens when a data signal is transmitted, so that the function of the circuit is easy to be disabled.
Disclosure of Invention
In view of this, the invention provides a dust cup dust amount detection device and a detection method of a dust collector, which can realize automatic adjustment of 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 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, the signal output circuit is connected with the first capacitor circuit, the end part of the first capacitor circuit is grounded, the first capacitor circuit is provided with a first capacitor, the amplifier is arranged on the power supply circuit, one end of the power supply circuit is connected with a power supply, the other end of the power supply circuit is grounded, a second capacitor is connected on the power supply circuit, a third capacitor is arranged between the power supply circuit and the second capacitor circuit, a third capacitor is arranged on the third capacitor circuit, a fourth capacitor is arranged between the third capacitor circuit and the second capacitor circuit in parallel, a fourth capacitor circuit is arranged between the first resistor circuit and the signal output circuit, and the fourth capacitor circuit is connected with the fourth resistor.
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 arranged on the third resistor circuit.
Further, 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 arranged on the fifth capacitor circuit.
Further, the signal output circuit is connected with the control chip, and the control chip is electrically connected with the display panel.
Further, 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.
Further, the chip power supply circuit is connected with a sixth capacitor circuit, the sixth capacitor circuit is electrically connected with the control chip at the same time, and a seventh capacitor is arranged on the sixth capacitor circuit.
In another aspect, the present invention provides a method of detecting a dust amount of a dust cup of a vacuum cleaner, comprising the steps of:
1) The sensor detects the dust accumulation height in the dust cup, forms height data and inputs the height data to the amplifier through the signal input circuit;
2) The amplifier continues to send 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 signal flow charges the fourth capacitor;
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;
wherein, the set resistance value of the third resistor is equal to the set resistance value of the fourth resistor.
According to the dust cup dust amount detection device and the dust cup dust amount detection method of the dust collector, the sensor detects the dust accumulation height 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 theory of operation of above-mentioned scheme, can make the overload protection of formation electric current when signal transmission, guarantee signal transmission's stability, realize the automatic adjustment to data signal electric current, guarantee the normal of circuit service function.
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 designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic view of a dust amount detecting device for a dust cup of a dust collector according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an implementation structure of a dust cup dust amount detecting device of a dust collector according to an embodiment of the 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.
Embodiment one:
referring to fig. 1 to 2, a dust cup dust amount detection device of a dust collector provided by the first embodiment of the invention is shown in the drawings, which comprises 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, a first resistor R26 is arranged on the signal input circuit 11, the negative end of the amplifier 2 is connected with a first resistor 21, a second resistor R29 is arranged on the first resistor 21, the amplifier 2 is connected with a signal output circuit 22, a third resistor R27 is arranged on the signal output circuit 22, a first capacitor 23 is connected on the signal output circuit 22, the end part of the first capacitor 23 is grounded, a first capacitor C21 is arranged on the first capacitor 23, 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 end of the power supply circuit is grounded, a second capacitor 31 is arranged on the power supply circuit 3, a second capacitor C17 is arranged on the second capacitor 31, a third capacitor 33 is arranged on the end part of the second capacitor circuit 31, a fourth capacitor 33 is arranged on the third capacitor circuit 20, a fourth capacitor 33 is arranged between the power supply circuit 3 and the fourth capacitor circuit 20, a fourth capacitor 33 is arranged on the fourth capacitor circuit 20 and the fourth capacitor 33, and a fourth capacitor 20 is arranged between the fourth capacitor circuit 20 and the fourth capacitor 33 is connected on the fourth capacitor circuit 20.
The working process of the device is as follows:
s1: the sensor 1 detects the dust accumulation height in the dust cup, forms height data and inputs the height data 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 current is reduced after the signal flow charges 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;
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 dust accumulation height 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 theory of operation of above-mentioned scheme, can make the overload protection of formation electric current when signal transmission, guarantee signal transmission's stability, realize the automatic adjustment to data signal electric current, guarantee the normal of circuit service function.
Embodiment two:
referring to fig. 1 to 2, there is shown a dust cup dust amount detecting device for a dust collector according to a second embodiment of the present invention, and the following technical solutions are further provided as improvements on the basis of the above embodiment: the signal input circuit 11 is connected with a third resistor circuit 12, the end part of the third resistor circuit 12 is grounded, and the third resistor circuit 12 is provided with a fifth resistor R24; 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.
Embodiment III:
referring to fig. 1 to 2, there is shown a dust cup dust amount detecting device for a dust collector according to a third embodiment of the present invention, and the following technical solutions are further provided as improvements on the basis of the above embodiment: 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 the +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 electrically connected with the control chip 5 at the same time, and a seventh capacitor C7 is arranged on the sixth capacitor circuit 53. Through the arrangement of the structure, the signal output circuit can be used for stably inputting signals to the control chip.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (1)
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 electrode end of the amplifier (2) through a signal input circuit (11), a first resistor (R26) is arranged on the signal input circuit (11), the negative electrode end of the amplifier (2) is connected with the first resistor circuit (21), a second resistor (R29) is arranged on the first resistor circuit (21), the amplifier (2) is connected with a signal output circuit (22), a third resistor (R27) is arranged on the signal output circuit (22), a first capacitor circuit (23) is connected onto the signal output circuit (22), the end part of the first capacitor circuit (23) is grounded, a first capacitor (C21) is arranged on the first capacitor circuit (23), one end of the power supply circuit (3) is connected with a power supply source, the other end part of the power supply circuit (3) is connected with the other capacitor (C) opposite to the ground, the second capacitor circuit (31) is connected onto the second capacitor (31), the second capacitor (31) is connected onto 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), a fourth capacitor (C24) is arranged on the fourth capacitor circuit (4), a second resistor circuit (42) is further connected on the fourth capacitor circuit (4), a fourth resistor (R31) is arranged on the second resistor circuit (42), the signal output circuit (22) is connected with a control chip (5), 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 direct current power supply, a sixth capacitor (C6) is arranged on the chip power supply circuit (52), and the sixth capacitor (53) is electrically connected with the control chip (5), and the control chip (53) is electrically connected with the sixth capacitor (53);
the detection method of the dust cup dust amount detection device of the dust collector comprises the following steps:
1) The sensor (1) detects the dust accumulation height in the dust cup, and the dust accumulation height data 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) via 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 current is reduced after the signal flow charges 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 is continuously 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); the signal input circuit (11) is connected with a third resistor circuit (12), the end part of the third resistor circuit (12) is grounded, and a fifth resistor (R24) is arranged on the third resistor circuit (12); the signal input circuit (11) is connected with a fifth capacitor circuit (13) which is arranged in parallel with the third resistor circuit (12), and a fifth capacitor (C18) is arranged on the fifth capacitor circuit (13).
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN112294187A CN112294187A (en) | 2021-02-02 |
| CN112294187B true 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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| CN112294187A (en) | 2021-02-02 |
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