Blackboard eraser device with noise detection and automatic dust removal functions

Abstract

The utility model discloses a blackboard eraser device with noise detection and automatic dust removal functions, which comprises a blackboard eraser device shell and is characterized in that a dust removal and suction part and a detection control part are arranged in the blackboard eraser device shell and are electrically connected with each other; the dust removal and suction part comprises a dust removal unit and a dust suction unit arranged at the lower end of the dust removal unit, the detection control part comprises a control unit and a power supply unit arranged at the lower end of the control unit, a noise detection unit is arranged on the blackboard eraser device shell, and the noise detection unit is electrically connected with the control unit; the blackboard eraser is reasonable in structural design, and the dust removal unit and the dust suction unit are arranged, so that chalk dust can be effectively reduced, and the classroom environment and the health of teachers and students are protected; by arranging the noise detection unit, students can be reminded to keep quiet in time, and the learning effect is improved; meanwhile, the device has the advantages of simple structure, convenience in use, low cost and the like, and is suitable for being widely used in places such as schools, training institutions and the like.

Description

Technical Field

[0001] The utility model relates to the field of teaching tools, in particular to a blackboard eraser device with the functions of noise detection and automatic dust removal. Background Art

[0002] Blackboard erasers are one of the commonly used tools in teaching. They are used to wipe chalk writing on the blackboard. During the teaching process, teachers often need to use blackboard erasers to wipe the blackboard. However, a large amount of dust will accumulate on the blackboard eraser during the wiping process, causing dust overflow, which not only affects the health of teachers and students, but also pollutes the classroom environment. In addition, the noise level in the classroom will also affect students' learning effects and teachers' teaching quality. Therefore, a blackboard eraser device that can both effectively remove dust and detect classroom noise is needed. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a blackboard eraser device with both noise detection and automatic dust removal in view of the current status of the prior art.

[0004] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a blackboard eraser device with both noise detection and automatic dust removal, including a blackboard eraser device shell, characterized in that a dust removal and suction part and a detection control part are arranged in the blackboard eraser device shell, the dust removal and suction part are electrically connected to the detection control part, the dust removal and suction part includes a dust removal unit and a dust suction unit arranged at the lower end of the dust removal unit, the detection control part includes a control unit and a power supply unit arranged at the lower end of the control unit, and a noise detection unit is arranged on the blackboard eraser device shell, and the noise detection unit is electrically connected to the control unit.

[0005] Preferably, the dust removal unit includes a fixed frame, gears, a dust removal motor, a dust removal brush, a speed regulator, a motor indicator light and a photoelectric sensor. The speed regulator, the dust removal brush and the dust removal motor are arranged on the fixed frame from left to right in sequence. The dust removal motor, the dust removal brush and the speed regulator are all provided with a transmission shaft that cooperates with the gear transmission. The dust removal motor cooperates with the transmission shaft and the gear to mesh and drive the dust removal brush to rotate. The photoelectric sensor is arranged at any position of the dust removal unit. The motor indicator light is arranged on the housing of the blackboard eraser device and corresponds to the dust removal motor. The motor indicator light is electrically connected to the dust removal motor.

[0006] Preferably, the dust suction unit includes a powder receiving box, a powder receiving drawer arranged in the powder receiving box, a powder collecting bag arranged in the powder receiving drawer, a powder suction motor and a powder suction fan arranged outside the powder receiving box, a powder suction channel is provided between the dust suction unit and the dust removal unit, the powder suction fan is arranged on the powder receiving box and electrically connected to the powder suction motor, and the powder suction motor cooperates with the powder suction fan to suck dust into the powder collecting bag through the powder suction channel.

[0007] Preferably, the noise detection unit comprises a volume sensor, a warning indicator light, a speaker and a controller arranged on either side of the housing of the blackboard eraser device, and the controller is provided with a display screen for displaying decibel values.

[0008] Preferably, the control unit comprises:

[0009] A voice detection module, wherein the voice detection module is electrically connected to the noise detection unit;

[0010] A dust removal and dust suction module is electrically connected to the dust removal unit and the dust suction unit.

[0011] Preferably, the power supply unit includes a battery, a power switch, a power supply interface and a voltage stabilizer. The power switch and the power supply interface are arranged on either side of the housing of the blackboard eraser device. The voltage stabilizer cooperates with the power supply interface to adjust the voltage.

[0012] Preferably, a dust removal window and a cover plate cooperating with the dust removal window to prevent dust from overflowing are provided on the housing of the blackboard eraser device; the dust removal window is arranged corresponding to the dust removal unit, and the cover plate is connected to the dust removal window.

[0013] Compared with the prior art, the advantages of the utility model are: by setting up a dust removal unit and a dust suction unit, the generation of chalk dust can be effectively reduced, protecting the classroom environment and the health of teachers and students; by setting up a noise detection unit, students can be reminded to keep quiet in time to improve learning effects; at the same time, the utility model also has the advantages of simple structure, easy use, low cost, etc., and is suitable for widespread use in schools, training institutions and other places. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0016] Figure 3 It is a cross-sectional schematic diagram of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the dust removal unit of the utility model.

[0018] 1. Blackboard eraser housing; 2. Dust removal and suction unit; 3. Detection control unit; 4. Dust removal unit; 5. Dust suction unit; 6. Power supply unit; 7. Noise detection unit; 8. Control unit; 9. Gear; 10. Dust removal motor; 11. Dust removal brush; 12. Speed ​​regulator; 13. Motor indicator light; 14. Photoelectric sensor; 15. Transmission shaft; 16. Powder receiving box; 17. Powder receiving drawer; 18. Powder collecting bag; 19. Powder suction motor; 20. Powder suction fan; 21. Powder suction channel; 22. Volume sensor; 23. Warning indicator light; 24. Speaker; 25. Controller; 26. Display screen; 27. Detection voice module; 28. Dust removal and suction module; 29. ​​Battery; 30. Power supply interface; 31. Voltage stabilizer; 32. Power switch; 33. Dust removal window; 34. Cover plate; 35. Fixing bracket. DETAILED DESCRIPTION

[0019] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0020] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back... are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0021] Moreover, some of the above-mentioned terms may be used to express other meanings besides indicating orientation or positional relationships. For example, the term "on" may also be used to indicate a certain dependency or connection relationship in certain circumstances. A person skilled in the art may understand the specific meanings of these terms in the present utility model according to the specific circumstances.

[0022] In addition, the terms "install", "set", "provided with", "connect", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. The connection methods involved in this article are prior arts, without any improvement, and are all common knowledge of those skilled in the art. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0023] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0024] like Figures 1 to 4 As shown, the utility model provides a blackboard eraser device with both noise detection and automatic dust removal, including a blackboard eraser device housing 1, a dust removal and suction unit 2 and a detection control unit 3 are arranged in the blackboard eraser device housing 1, the dust removal and suction unit 2 is electrically connected to the detection control unit 3, the dust removal and suction unit 2 includes a dust removal unit 4 and a dust suction unit 5 arranged at the lower end of the dust removal unit 4, the detection control unit 3 includes a control unit 8 and a power supply unit 6 arranged at the lower end of the control unit 8, and a noise detection unit 7 is arranged on the blackboard eraser device housing 1, and the noise detection unit 7 is electrically connected to the control unit 8;

[0025] The dust removal and suction part 2 is electrically connected to the detection control part 3 , and the dust suction unit 5 and the dust removal unit 4 are electrically connected to the control unit 8 , and the control unit 8 is electrically connected to the power supply unit 6 .

[0026] The dust removal unit 4 includes a fixing frame 35, a gear 9, a dust removal motor 10, a dust removal brush 11, a speed regulator 12, a motor indicator light 13 and a photoelectric sensor 14. The speed regulator 12, the dust removal brush 11 and the dust removal motor 10 are arranged on the fixing frame 35 from left to right in sequence. The dust removal motor 10, the dust removal brush 11 and the speed regulator 12 are all provided with a transmission shaft 15 that cooperates with the gear 9 for transmission. The dust removal motor 10 cooperates with the transmission shaft 15 to mesh with the gear 9 to drive the dust removal brush 11 to rotate. The photoelectric sensor 14 is arranged at any position of the dust removal unit 4. The motor indicator light 13 is arranged on the blackboard eraser device housing 1 and corresponds to the dust removal motor 10. The motor indicator light 13 is electrically connected to the dust removal motor 10.

[0027] By setting up a photoelectric sensor 14, a blackboard eraser signal is detected and transmitted to the control unit 8, and the dust removal motor 10 is controlled to start. The dust removal motor 10 drives the dust removal brush 11 to rotate through the gear 9, and the speed regulator 12 is set to achieve stepless speed regulation.

[0028] The dust suction unit 5 includes a powder receiving box 16, a powder receiving drawer 17 arranged in the powder receiving box 16, a powder collecting bag 18 arranged in the powder receiving drawer 17, a powder suction motor 19 and a powder suction fan 20 arranged outside the powder receiving box 16, a powder suction channel 21 is provided between the dust suction unit 5 and the dust removal unit 4, the powder suction fan 20 is arranged on the powder receiving box 16 and electrically connected to the powder suction motor 19, and the powder suction motor 19 cooperates with the powder suction fan 20 to suck the dust into the powder collecting bag 18 through the powder suction channel 21;

[0029] The powder suction fan 20 is connected to the powder receiving box 16. By setting the dust suction unit 5, the powder suction motor 19 is started to control the powder suction fan 20 to generate suction, and the dust is sucked into the powder collecting bag 18 through the powder suction channel 21. When cleaning the dust, the powder receiving drawer 17 is pulled out, and the powder collecting bag 18 set in the powder receiving drawer 17 is taken out and cleaned.

[0030] The noise detection unit 7 includes a volume sensor 22, a warning indicator light 23, a speaker 24 and a controller 25 arranged on either side of the blackboard eraser device housing 1, and the controller 25 is provided with a display screen 26 for displaying decibel values;

[0031] The volume sensor 22 monitors the noise decibel value in the classroom and transmits the detected signal to the control unit 8 for analysis and identification to control the early warning indicator light 23 and the speaker 24 to give corresponding prompts. The controller 25 is used to control the volume performance, and the display screen 26 displays the decibel value.

[0032] The control unit 8 comprises:

[0033] A voice detection module 27, wherein the voice detection module 27 is electrically connected to the noise detection unit 7;

[0034] A dust removal and suction module 28, wherein the dust removal and suction module 28 is electrically connected to the dust removal unit 4 and the dust suction unit 5;

[0035] The dust removal and suction module 28 controls the working states of the dust removal unit 4 and the dust suction unit 5 according to the signal detected by the photoelectric sensor 14;

[0036] The voice detection module 27 in the control unit 8 analyzes and identifies the sound collected by the volume sensor 22, and controls the warning indicator light 23 and the speaker 24 to give corresponding prompts.

[0037] The power supply unit 6 includes a battery 29, a power switch 32, a power supply interface 30 and a voltage regulator 31. The power switch 32 and the power supply interface 30 are arranged on either side of the blackboard eraser device housing 1. The voltage regulator 31 cooperates with the power supply interface 30 to adjust the voltage.

[0038] The battery 29 in the power supply unit 6 provides power support for the blackboard eraser device, the power switch 32 is used to control the on and off of the blackboard eraser device, the power supply interface 30 can be connected to an external power supply for charging or power supply, and the voltage stabilizer 31 ensures the stability of the power supply to prevent voltage fluctuations from damaging the control power supply. The voltage stabilizer 31 is arranged on any side of the blackboard eraser device housing 1.

[0039] The blackboard eraser device housing 1 is provided with a dust removal window 33 and a cover plate 34 that cooperates with the dust removal window 33 to prevent dust from overflowing. The dust removal window 33 is arranged corresponding to the dust removal unit 4, and the cover plate 34 is connected to the dust removal window 33;

[0040] The dust removal window 33 on the blackboard eraser device housing 1 facilitates the dust removal brush 11 to contact the blackboard eraser for dust removal and suction. The cover plate 34 can close the dust removal window 33 when in use to prevent dust from overflowing. The connection method between the cover plate 34 and the dust removal window 33 is one of a pull-out connection, a rotational snap connection, a snap-fit ​​connection, etc.

[0041] like Figures 1 to 4 As shown, the working process of the blackboard eraser is as follows: turn on the power switch 32, put the blackboard eraser into the dust removal window 33, the photoelectric sensor 14 detects the signal transmitted to the dust removal and dust suction module 28 in the control unit 8 to control the dust removal motor 10 to start, and the dust removal motor 10 drives the dust removal brush 11 to rotate through the gear 9 transmission to clean the dust on the blackboard eraser; at the same time, the powder suction motor 19 starts to control the powder suction fan 20 to generate suction, and the dust is sucked into the powder collection bag 18 through the powder suction channel 21 to achieve dust removal and dust suction; at the same time, the noise detection unit 7 monitors the decibel value of the noise in the classroom in real time, and the signal is detected by the volume sensor 22 and transmitted to the detection voice module 27 in the control unit 8; the detection voice module 27 determines the noise level according to the set threshold value, and controls the warning indicator 23 and the speaker 24 to give corresponding prompts; when the noise is lower than the set threshold value, the warning indicator 23 displays green; when the noise reaches a certain decibel value, the warning indicator 23 displays yellow; when the noise exceeds a higher decibel value, the warning indicator 23 displays red, and a voice prompt is issued through the speaker 24 to remind students to keep quiet.

[0042] In this embodiment, the voice detection module 27 is not marked in the drawings, but has been described in detail in the document;

[0043] In the present invention, the dust removal module 28 is not marked in the drawings, but has been described in detail in the document;

[0044] In the present invention, the control unit 8 and the control principle are commonly used technical means by those skilled in the art, so they are not described in detail.

[0045] In the description of this specification, reference is made to the terms "one embodiment", "some embodiments", "examples", "specific examples", etc.

[0046] The description of "example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0047] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the prior art, which will not be described in detail here.

[0048] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, various changes and variations can be made in the specific implementation methods and application scopes based on the ideas of the present invention. The content of this specification should not be understood as a limitation on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A blackboard eraser device with both noise detection and automatic dust removal, comprising a blackboard eraser device housing, characterized in that: A dust removal and suction unit and a detection control unit are arranged in the shell of the blackboard eraser device, and the dust removal and suction unit are electrically connected to the detection control unit. The dust removal and suction unit includes a dust removal unit and a dust suction unit arranged at the lower end of the dust removal unit. The detection control unit includes a control unit and a power supply unit arranged at the lower end of the control unit. A noise detection unit is arranged on the shell of the blackboard eraser device, and the noise detection unit is electrically connected to the control unit.

2. A blackboard eraser device with both noise detection and automatic dust removal according to claim 1, characterized in that: The dust removal unit includes a fixed frame, gears, a dust removal motor, a dust removal brush, a speed regulator, a motor indicator light and a photoelectric sensor. The speed regulator, the dust removal brush and the dust removal motor are arranged on the fixed frame from left to right in sequence. The dust removal motor, the dust removal brush and the speed regulator are all provided with a transmission shaft that cooperates with the gear transmission. The dust removal motor cooperates with the transmission shaft and the gear meshing transmission to drive the dust removal brush to rotate. The photoelectric sensor is arranged at any position of the dust removal unit. The motor indicator light is arranged on the housing of the blackboard eraser device and corresponds to the dust removal motor. The motor indicator light is electrically connected to the dust removal motor.

3. A blackboard eraser device with both noise detection and automatic dust removal according to claim 1, characterized in that: The dust suction unit includes a powder receiving box, a powder receiving drawer arranged in the powder receiving box, a powder collecting bag arranged in the powder receiving drawer, a powder suction motor and a powder suction fan arranged outside the powder receiving box, a powder suction channel is provided between the dust suction unit and the dust removal unit, the powder suction fan is arranged on the powder receiving box and electrically connected to the powder suction motor, and the powder suction motor cooperates with the powder suction fan to suck dust into the powder collecting bag through the powder suction channel.

4. A blackboard eraser device with both noise detection and automatic dust removal according to claim 1, characterized in that: The noise detection unit comprises a volume sensor, an early warning indicator light, a speaker and a controller arranged on either side of the housing of the blackboard eraser device. The controller is provided with a display screen for displaying decibel values.

5. A blackboard eraser device with both noise detection and automatic dust removal according to claim 1, characterized in that: The control unit comprises: A voice detection module, wherein the voice detection module is electrically connected to the noise detection unit; A dust removal and dust suction module is electrically connected to the dust removal unit and the dust suction unit.

6. A blackboard eraser device with both noise detection and automatic dust removal according to claim 1, characterized in that: The power supply unit comprises a storage battery, a power switch, a power supply interface and a voltage stabilizer. The power switch and the power supply interface are arranged on either side of the housing of the blackboard eraser device. The voltage stabilizer cooperates with the power supply interface to adjust the voltage.

7. A blackboard eraser device with both noise detection and automatic dust removal according to claim 1, characterized in that: The housing of the blackboard eraser device is provided with a dust removal window and a cover plate cooperating with the dust removal window to prevent dust from overflowing; the dust removal window is arranged correspondingly to the dust removal unit, and the cover plate is connected to the dust removal window.

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