CN113384188A - Device for automatically identifying ground material and dust collector - Google Patents
Device for automatically identifying ground material and dust collector Download PDFInfo
- Publication number
- CN113384188A CN113384188A CN202110691787.0A CN202110691787A CN113384188A CN 113384188 A CN113384188 A CN 113384188A CN 202110691787 A CN202110691787 A CN 202110691787A CN 113384188 A CN113384188 A CN 113384188A
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- Prior art keywords
- resistor
- operational amplifier
- circuit
- ground
- vibration
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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
- A47L9/2826—Parameters or conditions being sensed the condition of the floor
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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
- A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
- A47L9/2842—Suction motors or blowers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
Abstract
The invention discloses a device for automatically identifying ground materials and a dust collector, wherein the device for automatically identifying ground materials comprises a vibration detection circuit, an operational amplifier circuit, a comparison circuit and a controller; the output end of the vibration detection circuit is connected with the input end of the operational amplifier circuit, the output end of the operational amplifier circuit is connected with the input end of the comparison circuit, and the output end of the comparison circuit is connected with the ground detection signal feedback end of the controller; the vibration detection circuit is used for detecting the material of the ground according to the vibration frequency and outputting a voltage signal when the dust collector runs on the ground; the operational amplifier circuit is used for amplifying the voltage signal and outputting a vibration voltage value; and the comparison circuit is used for comparing the vibration voltage value with a preset voltage value so as to feed back a comparison result to the controller. The technical scheme of the invention avoids the problem that the ground is easily interfered by different ground colors and ambient light when being detected by ultrasonic waves and infrared rays, and improves the reliability of the dust collector.
Description
Technical Field
The invention relates to the technical field of dust collectors, in particular to a device for automatically identifying ground materials and a dust collector.
Background
Along with the increasing development of economy, people are increasingly promoting the beautiful life, the requirement on the surrounding clean environment is higher and higher, especially in household cleaning, the dirt inside a house needs to be thoroughly cleaned, but the indoor cleanliness cannot be met through a traditional mode, time and labor are wasted, and the dust collector can effectively and quickly clean indoor dirt and dirt, so that the requirement of people is met.
Because the current dust collector with the storage battery has short endurance time, the working gear of the dust collector needs to be switched for different floor users so as to achieve the best cleaning effect and better endurance time. When the floor is cleaned, the low grade of the dust collector can be selected for cleaning, and when the carpet is cleaned, the high grade of the dust collector can be selected for cleaning so as to achieve a better cleaning effect.
Disclosure of Invention
The invention mainly aims to provide a device for automatically identifying ground materials and a dust collector, and aims to solve the problem that the ground is easily interfered by different ground colors and ambient light when being detected by ultrasonic waves and infrared rays, and improve the reliability of the dust collector.
In order to achieve the above object, the present invention provides an apparatus for automatically identifying a floor material, comprising a vibration detection circuit, an operational amplifier circuit, a comparison circuit and a controller;
the output end of the vibration detection circuit is connected with the input end of the operational amplifier circuit, the output end of the operational amplifier circuit is connected with the input end of the comparison circuit, and the output end of the comparison circuit is connected with the ground detection signal feedback end of the controller;
the vibration detection circuit is used for detecting the material of the ground according to the vibration frequency and outputting a voltage signal when the dust collector runs on the ground;
the operational amplifier circuit is used for amplifying the voltage signal and outputting a vibration voltage value;
the comparison circuit is used for comparing the vibration voltage value with a preset voltage value so as to feed back a comparison result to the controller.
Optionally, the vibration detection circuit comprises a buzzer;
the buzzer is used for generating a vibration signal when the dust collector runs on the ground.
Optionally, the vibration detection circuit further comprises a twelfth resistor;
the first end of the twelfth resistor and the common end of the first end of the buzzer are connected with a power supply end, and the second end of the twelfth resistor is connected with the second end of the buzzer and is the output end of the vibration detection circuit.
Optionally, the operational amplifier circuit includes a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, an eighth resistor, an eleventh resistor, a third capacitor, and a first operational amplifier;
the first end of the first resistor is grounded, the common end of the second ends of the first resistor and the second resistor is connected with the equidirectional input end of the first operational amplifier, the first end of the second resistor is connected with the first end of the fourth resistor, the common end of the second end of the fourth resistor and the first end of the fifth resistor is grounded, the second end of the fifth resistor, the first end of the eighth resistor and the common end of the first end of the third capacitor are connected with the inverting input end of the first operational amplifier, the second end of the third capacitor is connected with the first end of the eleventh resistor, and the second end of the eighth resistor, the second end of the eleventh resistor and the common end of the first end of the third resistor are connected with the output end of the first operational amplifier.
Optionally, the device for automatically identifying the ground material further comprises a first diode, a sixth resistor and a first capacitor;
the anode of the first diode is connected with the output end of the first operational amplifier, the cathode of the first diode is connected with the first end of the sixth resistor, the second end of the sixth resistor, the anode of the first capacitor and the second end of the third resistor are connected with each other, and the cathode of the first capacitor is grounded.
Optionally, the comparison circuit comprises a second operational amplifier, a second diode, a ninth resistor and a second capacitor;
the inverting input end of the second operational amplifier is connected with the second end of the third resistor, the non-inverting input end of the second operational amplifier, the first end of the ninth resistor and the first end of the second capacitor are connected with each other, the second end of the second capacitor is grounded, the second end of the ninth resistor is connected with the anode of the second diode, and the cathode of the second diode is connected with the output end of the second operational amplifier and is the ground detection signal feedback end.
Optionally, the device for automatically identifying a ground material further comprises a voltage dividing circuit;
the voltage division circuit is used for dividing voltage and providing a preset voltage value.
Optionally, the voltage divider circuit comprises a seventh resistor and a tenth resistor;
a first end of the seventh resistor is connected with a power supply end, a common end of a second end of the seventh resistor and a first end of the tenth resistor is connected with a homodromous input end of the second operational amplifier, and a second end of the tenth resistor is grounded.
Optionally, the first operational amplifier and the second operational amplifier are both model LM 358.
The embodiment also provides a dust collector, wherein a filter screen for filtering pollutants is arranged on the dust collector, the dust collector comprises the device for automatically identifying the ground materials, and the device for automatically identifying the ground materials comprises a vibration detection circuit, an operational amplifier circuit, a comparison circuit and a controller;
the output end of the vibration detection circuit is connected with the input end of the operational amplifier circuit, the output end of the operational amplifier circuit is connected with the input end of the comparison circuit, and the output end of the comparison circuit is connected with the ground detection signal feedback end of the controller;
the vibration detection circuit is used for detecting the material of the ground according to the vibration frequency and outputting a voltage signal when the dust collector runs on the ground;
the operational amplifier circuit is used for amplifying the voltage signal and outputting a vibration voltage value;
the comparison circuit is used for comparing the vibration voltage value with a preset voltage value so as to feed back a comparison result to the controller.
The device for automatically identifying the ground material is provided with a vibration detection circuit, an operational amplifier circuit, a comparison circuit and a controller; at the dust catcher during operation, the vibration detection circuitry detects the material on dust catcher work ground according to vibration frequency, when detecting the different materials on ground, the voltage signal of vibration detection circuit output is different, adopt the fortune discharge circuit to vibration detection circuit's voltage signal amplification processing, and compare through the comparator and judge, feed back the testing result to the controller, in order to judge that the dust catcher moves on floor or carpet, easily receive different ground colour when having avoided ultrasonic wave and infrared detection ground, the problem of the interference of ambient light, with this reliability that promotes the dust catcher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic block diagram of an apparatus for automatically identifying a ground material according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an embodiment of the apparatus for automatically identifying a floor material according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Vibration detection circuit | R1 | A |
| 20 | Operational amplifier circuit | R2 | |
| 30 | Comparison circuit | R3 | |
| 40 | Controller | R4 | |
| 50 | Voltage divider circuit | R5 | Fifth resistor |
| LS1 | Buzzer | R6 | Sixth resistor |
| D1 | First diode | R7 | Seventh resistor |
| D2 | Second diode | R8 | Eighth resistor |
| U1 | A first operational amplifier | R9 | Ninth resistor |
| U2 | A second operational amplifier | R10 | Tenth resistor |
| C1 | First capacitor | R11 | Eleventh resistor |
| C2 | Second capacitor | R12 | Twelfth resistor |
| C3 | Third capacitor |
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a device for automatically identifying ground materials.
In an embodiment of the present invention, as shown in fig. 1 and 2, the apparatus for automatically recognizing a floor material includes a vibration detecting circuit 10, an operational amplifier circuit 20, a comparing circuit 30, and a controller 40;
the output end of the vibration detection circuit 10 is connected with the input end of the operational amplifier circuit 20, the output end of the operational amplifier circuit 20 is connected with the input end of the comparison circuit 30, and the output end of the comparison circuit 30 is connected with the ground detection signal feedback end of the controller 40;
the vibration detection circuit 10 is used for detecting the material of the ground according to the vibration frequency and outputting a voltage signal when the dust collector runs on the ground;
the operational amplifier circuit 20 is configured to amplify the voltage signal and output a vibration voltage value;
the comparison circuit 30 is configured to compare the vibration voltage value with a preset voltage value, so as to feed back a comparison result to the controller 40.
In this embodiment, when the vacuum cleaner operates on the ground, and when the floor or the carpet operates, the vibration frequency is different, and the buzzer LS1 in the vibration detection circuit 10 may generate corresponding vibration signals according to different vibration frequencies of the floor or the carpet and other ground materials, that is, different voltage signals according to different ground materials; the generated voltage signal is amplified by the operational amplifier circuit 20, compared with a preset voltage value by the comparison circuit 30, and after comparison, the comparison result is fed back to the controller 40; with the vibration amplitude variation through detecting the dust catcher round brush, whether automatic identification dust catcher round brush is in carpet or floor, bee calling organ LS1 carries out the ground material discernment in the device through automatic identification ground material in this scheme also, has avoided receiving different ground colour, ambient light interference's limitation easily when adopting ultrasonic wave and infrared detection ground material at present.
Further, referring to fig. 2, the vibration detection circuit 10 further includes a twelfth resistor R12; a first terminal of the twelfth resistor R12 is connected to the common terminal of the first terminal of the buzzer LS1, and a second terminal of the twelfth resistor R12 is connected to the second terminal of the buzzer LS1 and is an output terminal of the vibration detection circuit 10. The vibration sensitivity of the buzzer LS1 is adjusted by the twelfth resistor R12.
In an embodiment, referring to fig. 2, the operational amplifier circuit 20 includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, an eighth resistor R8, an eleventh resistor R11, a third capacitor C3, and a first operational amplifier U1;
the first end of the first resistor R1 is grounded, the common end of the second end of the first resistor R1 and the second end of the second resistor R2 is connected with the same-direction input end of the first operational amplifier U1, a first terminal of the second resistor R2 and a first terminal of the fourth resistor R4 are connected, a common terminal of a second terminal of the fourth resistor R4 and a first terminal of the fifth resistor R5 is grounded, a common terminal of a second terminal of the fifth resistor R5, a first terminal of the eighth resistor R8, and a first terminal of the third capacitor C3 is connected to an inverting input terminal of the first operational amplifier U1, a second end of the third capacitor C3 is connected to a first end of the eleventh resistor R11, and a common end of a second end of the eighth resistor R8, a second end of the eleventh resistor R11, and a first end of the third resistor R3 is connected to an output end of the first operational amplifier U1.
The apparatus for automatically recognizing ground material further includes a first diode D1, a sixth resistor R6, and a first capacitor C1;
an anode of the first diode D1 is connected to an output terminal of the first operational amplifier U1, a cathode of the first diode D1 is connected to a first terminal of the sixth resistor R6, a second terminal of the sixth resistor R6, an anode of the first capacitor C1, and a second terminal of the third resistor R3 are connected to each other, and a cathode of the first capacitor C1 is grounded.
The comparison circuit 30 comprises a second operational amplifier U2, a second diode D2, a ninth resistor R9 and a second capacitor C2;
an inverting input terminal of the second operational amplifier U2 is connected to a second terminal of the third resistor R3, a non-inverting input terminal of the second operational amplifier U2, a first terminal of the ninth resistor R9 and a first terminal of the second capacitor C2 are connected to each other, a second terminal of the second capacitor C2 is grounded, a second terminal of the ninth resistor R9 is connected to an anode of the second diode D2, and a cathode of the second diode D2 is connected to an output terminal of the second operational amplifier U2 and is the ground detection signal feedback terminal.
In this embodiment, when the vacuum cleaner is operated on the floor, vibration is generated to drive the buzzer LS1 to operate, and the buzzer LS1 generates a square wave at the equidirectional input end of the first operational amplifier U1 due to the vibration, and the amplitude of the square wave changes according to the change of the vibration amplitude. The square wave input from the same-direction input end of the first operational amplifier U1 is output after being amplified by the same-phase proportion, and then a voltage value is obtained through the first diode D1, the sixth resistor R6 and the first capacitor C1. Comparing the obtained voltage value with the voltage value divided by the tenth resistor R10, when the voltage of the first capacitor C1 is less than the voltage of the tenth resistor R10, the ground detection signal is at a low level, and the controller 40 determines that the ground is a floor; when the voltage of the first capacitor C1 is greater than the voltage of the tenth resistor R10, the ground detection signal is at a high level, and the controller 40 determines that the ground is a carpet. In the scheme, positive feedback is introduced into the ninth resistor R9 to generate a return difference for the comparison circuit 30, and the second capacitor C2 plays a role in filtering, so that the voltage of the comparison circuit 30 is prevented from oscillating at a critical point.
Through the combination of above-mentioned vibration detection circuit 10, fortune amplifier circuit 20 and comparison circuit 30, combine each concrete components and parts in order to discern the ground material for the dust catcher is when doing cleanly, through the discernment to ground, and control chooses for use low-grade work when the floor, chooses for use high-grade work when the carpet, so that reach better clean effect, promote user's use and experience.
It should be noted that, the seventh resistor R7 and the tenth resistor R10 in the voltage divider circuit 50 set a preset voltage value, and the preset voltage value is compared with the voltage value amplified by the operational amplifier circuit 20 to feed back the ground detection signal to the controller 40. In addition, the first operational amplifier U1 and the second operational amplifier U2 can adopt an operational amplifier with the model number LM 358.
In order to achieve the above object, the present embodiment further provides a vacuum cleaner, wherein a filter screen for filtering contaminants is disposed on the vacuum cleaner, the vacuum cleaner includes the above apparatus for automatically identifying floor materials, and the apparatus for automatically identifying floor materials includes a vibration detection circuit 10, an operational amplifier circuit 20, a comparison circuit 30, and a controller 40;
the output end of the vibration detection circuit 10 is connected with the input end of the operational amplifier circuit 20, the output end of the operational amplifier circuit 20 is connected with the input end of the comparison circuit 30, and the output end of the comparison circuit 30 is connected with the ground detection signal feedback end of the controller 40;
the vibration detection circuit 10 is used for detecting the material of the ground according to the vibration frequency and outputting a voltage signal when the dust collector runs on the ground;
the operational amplifier circuit 20 is configured to amplify the voltage signal and output a vibration voltage value;
the comparison circuit 30 is configured to compare the vibration voltage value with a preset voltage value, so as to feed back a comparison result to the controller 40.
The specific structure of the dust collector refers to the above embodiments, and as the dust collector adopts all technical solutions of all embodiments of the device for automatically identifying floor materials, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The device for automatically identifying the ground material is applied to a dust collector and is characterized by comprising a vibration detection circuit, an operational amplifier circuit, a comparison circuit and a controller;
the output end of the vibration detection circuit is connected with the input end of the operational amplifier circuit, the output end of the operational amplifier circuit is connected with the input end of the comparison circuit, and the output end of the comparison circuit is connected with the ground detection signal feedback end of the controller;
the vibration detection circuit is used for detecting the material of the ground according to the vibration frequency and outputting a voltage signal when the dust collector runs on the ground;
the operational amplifier circuit is used for amplifying the voltage signal and outputting a vibration voltage value;
the comparison circuit is used for comparing the vibration voltage value with a preset voltage value so as to feed back a comparison result to the controller.
2. The apparatus for automatically recognizing a floor material according to claim 1, wherein the vibration detecting circuit includes a buzzer;
the buzzer is used for generating a vibration signal when the dust collector runs on the ground.
3. The apparatus for automatically recognizing a floor material according to claim 2, wherein the vibration detecting circuit further comprises a twelfth resistor;
the first end of the twelfth resistor and the common end of the first end of the buzzer are connected with a power supply end, and the second end of the twelfth resistor is connected with the second end of the buzzer and is the output end of the vibration detection circuit.
4. The apparatus for automatically identifying ground materials according to claim 1, wherein the operational amplifier circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, an eighth resistor, an eleventh resistor, a third capacitor and a first operational amplifier;
the first end of the first resistor is grounded, the common end of the second ends of the first resistor and the second resistor is connected with the equidirectional input end of the first operational amplifier, the first end of the second resistor is connected with the first end of the fourth resistor, the common end of the second end of the fourth resistor and the first end of the fifth resistor is grounded, the second end of the fifth resistor, the first end of the eighth resistor and the common end of the first end of the third capacitor are connected with the inverting input end of the first operational amplifier, the second end of the third capacitor is connected with the first end of the eleventh resistor, and the second end of the eighth resistor, the second end of the eleventh resistor and the common end of the first end of the third resistor are connected with the output end of the first operational amplifier.
5. The apparatus for automatically recognizing a floor material as claimed in claim 4, further comprising a first diode, a sixth resistor and a first capacitor;
the anode of the first diode is connected with the output end of the first operational amplifier, the cathode of the first diode is connected with the first end of the sixth resistor, the second end of the sixth resistor, the anode of the first capacitor and the second end of the third resistor are connected with each other, and the cathode of the first capacitor is grounded.
6. The apparatus for automatically recognizing a floor material according to claim 5, wherein the comparison circuit includes a second operational amplifier, a second diode, a ninth resistor, and a second capacitor;
the inverting input end of the second operational amplifier is connected with the second end of the third resistor, the non-inverting input end of the second operational amplifier, the first end of the ninth resistor and the first end of the second capacitor are connected with each other, the second end of the second capacitor is grounded, the second end of the ninth resistor is connected with the anode of the second diode, and the cathode of the second diode is connected with the output end of the second operational amplifier and is the ground detection signal feedback end.
7. The apparatus for automatically recognizing floor material according to claim 6, further comprising a voltage dividing circuit;
the voltage division circuit is used for dividing voltage and providing a preset voltage value.
8. The apparatus for automatically recognizing a floor material according to claim 7, wherein the voltage dividing circuit includes a seventh resistance and a tenth resistance;
a first end of the seventh resistor is connected with a power supply end, a common end of a second end of the seventh resistor and a first end of the tenth resistor is connected with a homodromous input end of the second operational amplifier, and a second end of the tenth resistor is grounded.
9. The apparatus for automatically recognizing a floor material according to claim 6, wherein the first operational amplifier and the second operational amplifier are each of a model LM 358.
10. A vacuum cleaner, characterized in that it comprises a device for automatic recognition of floor material according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691787.0A CN113384188A (en) | 2021-06-22 | 2021-06-22 | Device for automatically identifying ground material and dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691787.0A CN113384188A (en) | 2021-06-22 | 2021-06-22 | Device for automatically identifying ground material and dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113384188A true CN113384188A (en) | 2021-09-14 |
Family
ID=77623383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110691787.0A Pending CN113384188A (en) | 2021-06-22 | 2021-06-22 | Device for automatically identifying ground material and dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113384188A (en) |
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2021
- 2021-06-22 CN CN202110691787.0A patent/CN113384188A/en active Pending
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