CN210697491U - Dust cup dust amount detection device of dust collector - Google Patents
Dust cup dust amount detection device of dust collector Download PDFInfo
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- CN210697491U CN210697491U CN201921228422.9U CN201921228422U CN210697491U CN 210697491 U CN210697491 U CN 210697491U CN 201921228422 U CN201921228422 U CN 201921228422U CN 210697491 U CN210697491 U CN 210697491U
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Abstract
The utility model provides a dirt cup dust content detection device of dust catcher, which comprises a sensor, amplifier and supply circuit, the positive terminal of sensor passing signal input circuit connection amplifier, be provided with first resistance on the signal input circuit, first resistance circuit is connected to the negative pole end of amplifier, be provided with the second resistance on the first resistance circuit, signal output circuit is connected to the amplifier, be provided with the third resistance on the signal output circuit, be connected with first electric capacity circuit on the signal output circuit, the tip ground connection of first electric capacity circuit, and be provided with first electric capacity on the first electric capacity circuit, the amplifier sets up on supply circuit. The utility model discloses compare in prior art and can realize guaranteeing the normal of circuit service function to data signal electric current automatic adjustment.
Description
Technical Field
The utility model relates to a dust catcher field particularly, relates to a dirt cup dust volume detection device of dust catcher.
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.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a dirt cup dust volume detection device of dust catcher can realize guaranteeing the normal of circuit service function to the automatic adjustment of data signal electric current.
The utility model 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, 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, 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 is grounded, the power supply circuit is connected with a second capacitor circuit, the end part of the second capacitor circuit is grounded, a second capacitor is arranged on the second capacitor circuit, a third capacitor circuit is arranged between the power supply circuit and the second capacitor circuit, 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 the dust cup dust amount detection device of the dust collector, the sensor forms height data after detecting the height of dust accumulation in the dust cup, when the signal flow of the height data exceeds the set resistance value of the third resistor in transmission, the signal flow can be 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 and 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, 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 arranged 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.
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, a dust cup dust amount detecting device of a vacuum cleaner according to an embodiment of the present invention is shown in the drawings, and the present embodiment 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 in the drawings, 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 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 and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228422.9U CN210697491U (en) | 2019-07-31 | 2019-07-31 | Dust cup dust amount detection device of dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228422.9U CN210697491U (en) | 2019-07-31 | 2019-07-31 | Dust cup dust amount detection device of dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210697491U true CN210697491U (en) | 2020-06-09 |
Family
ID=70962403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921228422.9U Active CN210697491U (en) | 2019-07-31 | 2019-07-31 | Dust cup dust amount detection device of dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210697491U (en) |
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2019
- 2019-07-31 CN CN201921228422.9U patent/CN210697491U/en active Active
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