CN208108213U - A kind of range hood - Google Patents
A kind of range hood Download PDFInfo
- Publication number
- CN208108213U CN208108213U CN201820297931.6U CN201820297931U CN208108213U CN 208108213 U CN208108213 U CN 208108213U CN 201820297931 U CN201820297931 U CN 201820297931U CN 208108213 U CN208108213 U CN 208108213U
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- China
- Prior art keywords
- microphone
- range hood
- host
- voice recognition
- recognition chip
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Abstract
The utility model relates to fields of home appliance technology, disclose a kind of range hood, including host, dual microphone sound pick up equipment and controller；The dual microphone sound pick up equipment includes voice recognition chip, the first microphone and second microphone, the output end of first microphone is electrically connected with the first input end of the voice recognition chip, and the output end of the second microphone is electrically connected with the second input terminal of the voice recognition chip；The output end of the voice recognition chip is electrically connected with the controller；The upper end of the side of the host is equipped with installation cavity, and first microphone and second microphone are arranged in the installation cavity, and the front end face of the host is equipped with and the first microphone and second microphone opposite first through hole respectively.The utility model can be improved the validity of voice control.
Description
Technical field
The utility model relates to fields of home appliance technology, more particularly to a kind of range hood.
Background technique
Range hood is also known as smoke exhaust ventilator, is a kind of household electrical appliance for purifying kitchen environment.Range hood is typically mounted on
The top of cooking stove can take the pernicious gas generated in the waste and cooking process that generate in cooking stove combustion process simultaneously away
Discharge is outdoor, play reduction pollution, purification air, gas defence and it is explosion-proof the effects of, therefore, range hood is deep by the majority of consumers
Like.
With the development of science and technology, range hood also develops progressively towards intelligentized direction, range hood of today
Has the function of voice control.But noise is inevitably present in kitchen, high speed especially, which is in, in range hood transports
When capable state, the noise of generation is larger, and existing range hood is generally without noise reduction process, at this point, if using voice control
Function, range hood will be unable to the voice signal for correctly judging to receive, so that under the sensitivity of the voice control of range hood
Drop, results even in the faulty operation of range hood.As it can be seen that the validity of the voice control of range hood is lower at present.
Utility model content
The technical issues of the utility model is solved is to provide for a kind of range hood, and can be improved voice control has
Effect property.
Above-mentioned technical problem is solved by the following technical programs：
A kind of range hood, including host, dual microphone sound pick up equipment and controller；The dual microphone sound pick up equipment packet
Include voice recognition chip, the first microphone and second microphone, the output end of first microphone and the speech recognition core
The first input end of piece is electrically connected, and the output end of the second microphone and the second input terminal of the voice recognition chip are electrically connected
It connects；The output end of the voice recognition chip is electrically connected with the controller；The upper end of the side of the host is equipped with installation
Chamber, first microphone and the second microphone are arranged in the installation cavity, the front end face of the host be equipped with
First microphone and the second microphone opposite first through hole respectively.
Range hood described in the utility model compared with the background art caused by beneficial effect：
Dual microphone sound pick up equipment is arranged in above-mentioned range hood, since dual microphone sound pick up equipment is picked up relative to single microphone
Mixer, usual noiseproof feature with higher, can improve the speech recognition performance of smoke machine；By by the first microphone and second
Microphone is set to the upper end of the side of host, and the first microphone and second microphone are located on the smallest position of noise source, energy
The quality of the voice signal received, the first microphone and the setting of second microphone built-in manner are improved, it can be farthest
Avoid the pollution of the oil smoke at the air port by the range hood bottom, it is ensured that effective acquisition of voice signal.Therefore, above-mentioned
Range hood can be improved the validity of voice control.
In one of the embodiments, the host include ontology and be connected to the ontology front end panel, institute
The upper end for stating the side of ontology is equipped with groove, and the installation cavity is formed between the groove and the panel；First wheat
Gram wind and second microphone are connected to the medial surface of the panel, and the panel is equipped with the first through hole.
Acoustic material is filled in the installation cavity in one of the embodiments, and the acoustic material wraps up respectively
First microphone and the second microphone.By the way that the acoustic material is arranged in the installation cavity, and make it is described every
Sound material wraps up first microphone and the second microphone respectively, the back motor work of the range hood is isolated
When generated noise, thereby further ensure that the dual microphone sound pick up equipment can receive the less voice letter of noise
Number, and then guarantee to improve the quality of the voice signal received.
The acoustic material is sound-proof material in one of the embodiments,.In order to make to design and simplify the structure, to reduce
Cost, acoustic material described in the present embodiment are sound-proof material.
The distance between first microphone and the second microphone are 50mm- in one of the embodiments,
120mm.By setting 50mm-120mm for the distance between first microphone and described second microphone, to ensure
First microphone and the second microphone are on the optimum position for receiving frequency-region signal, and thereby further ensuring that can
The quality of the voice signal received is improved, and then guarantees to improve the accuracy of the range hood speech recognition, so as to
The voice control function of the range hood is used in people.
First microphone and the second microphone are setting up and down or horizontally disposed in one of the embodiments,.
Wherein, first microphone and the second microphone it is setting up and down be more excellent scheme, the program adapts to different heights
User；After tested, the program is more conducive to the acquisition of sound.
It is described in one of the embodiments, when first microphone and the second microphone are setting up and down
First microphone and the second microphone are located on same vertical plane.By making first microphone and second Mike
Wind is located on same vertical plane, further ensures that first microphone and the second microphone are in and receives frequency-region signal
Optimum position on, to further ensure that the quality that can be improved the voice signal received, and then further increase institute
State the validity of range hood voice control.
Silica gel sheath is arranged with outside first microphone and the second microphone in one of the embodiments,.
By being arranged the silica gel sheath respectively outside first microphone and the second microphone, so that first microphone
The function of oil-stain-preventing is all had with the second microphone, to efficiently avoid due to first microphone and described
Two microphones by oil smoke pollution and there is a phenomenon where blocking, and then ensure first microphone and the second microphone
Voice signal can be received.
First microphone, the second microphone are logical with multiple described first respectively in one of the embodiments,
Hole is opposite.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the range hood in the utility model embodiment；
Fig. 2 is the setting schematic diagram of the dual microphone sound pick up equipment in the utility model embodiment.
Wherein, 1, host；11, installation cavity；12, panel；13, acoustic material；121, first through hole；21, the first microphone；
22, second microphone；23, voice recognition chip.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the explanation of the utility model, the description of the orientation such as upper, lower, left, right, front and rear and upper end and bottom is all
It is defined for Fig. 1, when the modes of emplacement of the range hood changes, corresponding orientation and upper end
Description with bottom will also change according to the change of modes of emplacement, and this will not be repeated here for the utility model.
Referring to figs. 1 and 2, a kind of range hood of the preferred embodiment in the utility model, including host 1, diamylose gram
Wind sound pick up equipment and controller (not shown), the dual microphone sound pick up equipment include voice recognition chip 23, the first wheat
Gram wind 21 and second microphone 22, the first input end of the output end of first microphone 21 and the voice recognition chip 23
Electrical connection, the output end of the second microphone 22 are electrically connected with the second input terminal of the voice recognition chip 23；Institute's predicate
The output end of sound identification chip 23 is electrically connected with the controller；The upper end of the side of the host 1 is equipped with installation cavity 11, the
One microphone 21 and second microphone 22 are arranged in the installation cavity 11, and the front end face of the host 1 is equipped with and the first wheat
Gram wind 21 and second microphone 22 opposite first through hole 121 respectively.
In the utility model embodiment, dual microphone sound pick up equipment is arranged in above-mentioned range hood, since dual microphone picks up
Mixer can improve the speech recognition performance of smoke machine relative to single microphone sound pick up equipment, usual noiseproof feature with higher；
By the way that the first microphone 21 and second microphone 22 to be set to the upper end of the side of host 1, the first microphone 21 and the second wheat
Gram wind 22 is located on the smallest position of noise source, can improve the quality of the voice signal received, the first microphone 21 and second
The setting of 22 built-in manner of microphone, can farthest avoid the dirt of the oil smoke at the air port by the range hood bottom
Dye, it is ensured that effective acquisition of voice signal.Therefore, above-mentioned range hood can be improved the validity of voice control.
Above-mentioned dual microphone sound pick up equipment can be bought from existing market.
As shown in Fig. 2, providing the mounting structure of host 1 Yu dual microphone sound pick up equipment.Host 1 includes in the present embodiment
Ontology and be connected to the ontology front end panel 12, the upper end of the side of the ontology is equipped with groove, the groove
The installation cavity 11 is formed between the panel 12；First microphone 21 and second microphone 22 are connected to the panel
12 medial surface, the panel 12 are equipped with the first through hole 121.Wherein, it is preferably set as：First microphone 21,
The second microphone 22 is opposite with multiple first through hole 121 respectively.
In the utility model embodiment, in order to further ensure that the dual microphone sound pick up equipment can receive noise
Less voice signal, to guarantee to improve the quality of voice signal received, in installation cavity 11 described in the present embodiment
Filled with acoustic material 13, and the acoustic material wraps up first microphone 21 and the second microphone 22.By
The setting acoustic material 13 in the installation cavity 11, and the acoustic material 13 is made to wrap up first microphone 21 and described
Second microphone 22 thereby further ensures that institute so that generated noise when the back motor of the range hood works is isolated
The less voice signal of noise can be received by stating dual microphone sound pick up equipment, and then guarantee to improve the voice letter received
Number quality.
In the utility model embodiment, the acoustic material 13 can be arranged according to actual operation requirements, as sound-proof material,
Attract cotton, soundproof plate etc., in order to make to design and simplify the structure, to reduce cost, acoustic material 13 described in the present embodiment is
Sound-proof material.
In the utility model embodiment, in order to further ensure that the quality that can be improved the voice signal received, with
Guarantee to improve the accuracy of the range hood speech recognition, the first microphone 21 and described second described in the present embodiment
The distance between microphone 22 is 50mm-120mm.By will be between first microphone 21 and the second microphone 22
Distance be set as 50mm-120mm, receive frequency domain to ensure that first microphone 21 and the second microphone 22 are in
On the optimum position of signal, the quality that can be improved the voice signal received is thereby further ensured that, and then guarantee to mention
The accuracy of the high range hood speech recognition, in order to which people use the voice control function of the range hood.
In practice, first microphone 21 and the second microphone 22 can be setting up and down or horizontally disposed.Its
In, first microphone and the second microphone it is setting up and down be more excellent scheme, the program adapts to the use of different heights
Family；After tested, the program is more conducive to the acquisition of sound.
In the utility model embodiment, in order to further ensure that first microphone 21 and the second microphone 22
On the optimum position for receiving frequency-region signal, to guarantee to improve the accuracy of the range hood speech recognition, this reality
It applies in example when first microphone 21 and the second microphone 22 are setting up and down, first microphone 21 and described
Second microphone 22 is located on same vertical plane.By being upper and lower when first microphone 21 and the second microphone 22
When setting, it is located at first microphone 21 and the second microphone 22 on same vertical plane, further ensures described
First microphone 21 and the second microphone 22 are on the optimum position for receiving frequency-region signal, to further ensure that energy
The quality of the voice signal received is enough improved, and then guarantees to improve the accuracy of the range hood speech recognition, with
The voice control function of the range hood is further used convenient for people.
In the utility model embodiment, in order to avoid due to first microphone 21 and the second microphone 22 by
To oil smoke pollution and there is a phenomenon where blocking, to ensure that first microphone 21 and the second microphone 22 can receive
Silica gel sheath is arranged with outside voice signal, the first microphone 21 described in the present embodiment and the second microphone 22.Pass through
It is arranged the silica gel sheath respectively outside first microphone 21 and the second microphone 22, so that first microphone
21 and the second microphone 22 all have the function of oil-stain-preventing, efficiently avoid due to first microphone 21 and described
Second microphone 22 by oil smoke pollution and there is a phenomenon where blocking, so that it is guaranteed that first microphone 21 and described second
Microphone 22 can receive more visible voice signal.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (9)
1. a kind of range hood, which is characterized in that including host (1), dual microphone sound pick up equipment and controller；The diamylose gram
Wind sound pick up equipment includes voice recognition chip (23), the first microphone (21) and second microphone (22), first microphone
(21) output end is electrically connected with the first input end of the voice recognition chip (23), the output of the second microphone (22)
End is electrically connected with the second input terminal of the voice recognition chip (23)；The output end of the voice recognition chip (23) with it is described
Controller electrical connection；The upper end of the side of the host (1) is equipped with installation cavity (11), first microphone (21) and described
In the installation cavity (11), the front end face of the host (1) is equipped with and first Mike for second microphone (22) setting
Wind (21) and the second microphone (22) opposite first through hole (121) respectively.
2. range hood as described in claim 1, which is characterized in that the host (1) includes ontology and is connected to described
The panel (12) of the front end of ontology, the upper end of the side of the ontology are equipped with groove, the groove and the panel (12) it
Between form the installation cavity (11)；First microphone (21) and the second microphone (22) are connected to the panel (12)
Medial surface, the panel (12) be equipped with the first through hole (121).
3. range hood as claimed in claim 1 or 2, which is characterized in that be filled with acoustic material in the installation cavity (11)
(13), and the acoustic material (13) wraps up first microphone (21) and the second microphone (22).
4. range hood as claimed in claim 3, which is characterized in that the acoustic material is sound-proof material.
5. range hood as claimed in claim 1 or 2, which is characterized in that first microphone (21) and second wheat
The distance between gram wind (22) is 50mm-120mm.
6. range hood as claimed in claim 1 or 2, which is characterized in that first microphone (21) and second wheat
Gram wind (22) is setting up and down or horizontally disposed.
7. range hood as claimed in claim 6, which is characterized in that as first microphone (21) and second Mike
When wind (22) is setting up and down, first microphone (21) and the second microphone (22) are located on same vertical plane.
8. range hood as claimed in claim 1 or 2, which is characterized in that first microphone (21) and second wheat
Gram wind (22) is arranged with silica gel sheath outside.
9. range hood as claimed in claim 2, which is characterized in that first microphone (21), the second microphone
(22) opposite with multiple first through hole (121) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820297931.6U CN208108213U (en) | 2018-03-02 | 2018-03-02 | A kind of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820297931.6U CN208108213U (en) | 2018-03-02 | 2018-03-02 | A kind of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208108213U true CN208108213U (en) | 2018-11-16 |
Family
ID=64126369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820297931.6U Active CN208108213U (en) | 2018-03-02 | 2018-03-02 | A kind of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208108213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160106A (en) * | 2019-06-26 | 2019-08-23 | 珠海格力电器股份有限公司 | A kind of range hood |
-
2018
- 2018-03-02 CN CN201820297931.6U patent/CN208108213U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160106A (en) * | 2019-06-26 | 2019-08-23 | 珠海格力电器股份有限公司 | A kind of range hood |
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