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CN108302702A - Remote controler and air conditioner - Google Patents

Remote controler and air conditioner Download PDF

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Publication number
CN108302702A
CN108302702A CN201810025762.5A CN201810025762A CN108302702A CN 108302702 A CN108302702 A CN 108302702A CN 201810025762 A CN201810025762 A CN 201810025762A CN 108302702 A CN108302702 A CN 108302702A
Authority
CN
China
Prior art keywords
touch
remote controler
upper cover
cover
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810025762.5A
Other languages
Chinese (zh)
Inventor
陆惠坤
曹拓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Guangdong Midea Refrigeration Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Midea Refrigeration Equipment Co Ltd filed Critical Guangdong Midea Refrigeration Equipment Co Ltd
Priority to CN201810025762.5A priority Critical patent/CN108302702A/en
Publication of CN108302702A publication Critical patent/CN108302702A/en
Pending legal-status Critical Current

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Abstract

The present invention discloses a kind of remote controler and air conditioner, wherein the remote controler includes upper cover, lower cover, display cover board, touch circuit plate and control circuit board;Lower cover is adapted to lid conjunction with upper cover and forms hollow installation cavity;Show that cover board is set to the upper surface of upper cover, display cover board includes the display area of transparent setting and the key area equipped with button figure;Touch circuit plate, which appears, is set to upper cover, and touch circuit plate is equipped with multiple touch sensible portions, and touch circuit plate is correspondingly arranged at the lower section of key area, and touch sensible portion is touched with button figure one-to-one correspondence;Control circuit board is placed in installation cavity, and is connect with touch circuit board communications, and control circuit board includes display screen, and display screen is correspondingly arranged at the lower section of display area and is shown by display area.The service life of remote controler can be improved in technical scheme of the present invention.

Description

Remote controler and air conditioner
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of remote controler and air conditioner.
Background technology
In common air conditioner at present, especially in air conditioner indoor unit, it will usually configured with manipulating the distant of air-conditioning Control device.However, traditional air-conditioning remote control selects conductive rubber as button mostly, this remote controller structure is complicated, non-watertight, And button is easy aging, causes durability poor, influences the remote controler service life.
Invention content
The main object of the present invention is to provide a kind of remote controler, it is intended to improve the service life of remote controler.
To achieve the above object, remote controler proposed by the present invention include upper cover, lower cover, display cover board, touch circuit plate with And control circuit board;The lower cover is adapted to lid conjunction with the upper cover and forms hollow installation cavity;Show that cover board is set to the upper cover Upper surface, the display cover board includes the display area of transparent setting and the key area equipped with button figure;It touches Circuit board, which appears, is set to the upper cover, and the touch circuit plate is equipped with multiple touch sensible portions, the touch circuit plate pair It should be set to the lower section of the key area, and the touch sensible portion is touched with button figure one-to-one correspondence;Control circuit Plate is placed in the installation cavity, and is connect with the touch circuit board communications, and the control circuit board includes display screen, institute Display screen is stated to be correspondingly arranged at the lower section of the display area and show by the display area.
Preferably, the upper cover corresponds to the first window that the display area offers shape adaptation, and the upper cover corresponds to The key area offers the second window of shape adaptation.
Preferably, the upper surface of the upper cover is equipped with installation deep gouge, and the first window is set to institute with second window The slot bottom of installation deep gouge is stated, the display cover board adaptation is installed on the installation deep gouge.
Preferably, the touch sensible portion is touching in the one side of the key area set on the touch circuit plate face Induction copper foil is touched, the touch sensible portion is Nian Jie with the medial surface of the key area.
Preferably, the touch circuit plate further includes touching chip, and the touch chip is set to the touch circuit backboard One side from the key area, and the touch chip is electrically connected with the touch sensible portion.
Preferably, one of the touch circuit plate and the control circuit board are convexly equipped with contact pin, and another be equipped with supplies The jack that the contact pin adaptation is planted.
Preferably, the key area is equipped with locking key figure, and the touch sensible portion includes and the locking key figure The locking induction part touched, the locking key figure form locking button with the locking induction part.
Preferably, the display cover board is Nian Jie with the upper cover, and the control circuit board is spirally connected with the upper cover.
Preferably, it is corresponded on the display cover board and is coated with fluorescent material at the button figure.
The present invention also proposes a kind of air conditioner, including remote controler, which includes upper cover, lower cover, display cover board, touches Circuit board and control circuit board;The lower cover is adapted to lid conjunction with the upper cover and forms hollow installation cavity;Display cover board is set to The upper surface of the upper cover, the display cover board includes the display area of transparent setting and the key zone equipped with button figure Domain;Touch circuit plate, which appears, is set to the upper cover, and the touch circuit plate is equipped with multiple touch sensible portions, the touch electricity Road plate is correspondingly arranged at the lower section of the key area, and the touch sensible portion is touched with button figure one-to-one correspondence;Control Circuit board processed is placed in the installation cavity, and is connect with the touch circuit board communications, and the control circuit board includes display Screen, the display screen are correspondingly arranged at the lower section of the display area and are shown by the display area.
In technical scheme of the present invention, the assembling process of remote controler is as follows:First, display cover board is installed on upper cover upper table Face;Then, touch circuit plate and the display screen of control circuit board are corresponded to the key area and display area for showing cover board respectively Installation, while touch circuit plate and control circuit board realize communication connection;Finally, lower cover and upper cover lid are closed.By above procedure It is found that compared to traditional remote controler for doing button using conductive rubber, this remote controler can avoid button and be easy aging durability The problem of difference, not only simple in structure, assembly facility also has the advantages that water proof and dust proof, is greatly improved the practicability of remote controler And service life, and improve the class of remote controler.Simultaneously as this remote controler is controlled using touch-key, therefore operate ten It is point convenient, and for the remote controler using all touch screen, then have at low cost, is suitble to remote controler unitized excellent Point.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the cross-sectional view of one embodiment of remote controler of the present invention along its length;
Fig. 2 is the structural schematic diagram of upper cover in Fig. 1;
Fig. 3 is the structural schematic diagram that cover board is shown in Fig. 1;
Fig. 4 is the structural schematic diagram of one angle of touch circuit plate in Fig. 1;
Fig. 5 is the structural schematic diagram of another angle of touch circuit plate in Fig. 1;
Fig. 6 is the structural schematic diagram of control circuit board in Fig. 1.
Drawing reference numeral explanation:
Label Title Label Title
1 Remote controler 11 Upper cover
111 First window 112 Second window
113 Defining flange 114 Deep gouge is installed
12 Lower cover 13 Show cover board
131 Display area 132 Key area
14 Touch circuit plate 141 Touch sensible portion
142 Touch chip 143 Jack
15 Control circuit board 151 Display screen
152 Contact pin 16 Installation cavity
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...), Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component, Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc. Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of remote controler.
Referring to figs. 1 to Fig. 6, in an embodiment of the present invention, which is primarily adapted for use in split type air conditioning chamber Machine, certainly, other kinds of air conditioner are also applicable.This remote controler 1 includes upper cover 11, lower cover 12, display cover board 13, touches electricity Road plate 14 and control circuit board 15;Lower cover 12 is adapted to lid conjunction with upper cover 11 and forms hollow installation cavity 16;Display cover board 13 is set In the upper surface of upper cover 11, display cover board 13 includes the display area 131 of transparent setting and the button equipped with button figure Region 132;Touch circuit plate 14, which appears, is set to upper cover 11, and touch circuit plate 14 is equipped with multiple touch sensible portions 141, touches Circuit board 14 is correspondingly arranged at the lower section of key area 132, and touch sensible portion 141 is touched with button figure one-to-one correspondence;Control Circuit board 15 is placed in installation cavity 16, and is communicated to connect with touch circuit plate 14, and control circuit board 15 includes display screen 151, Display screen 151 is correspondingly arranged at the lower section of display area 131 and is shown by display area 131.
It should be noted that, display screen 151 is preferably liquid crystal display herein, which is convexly equipped in control circuit board 15 towards institute State the one side of display area 131, and connect with the interlock circuit in control circuit board 15, with accurately show related temperature, wind direction, The information of air quantity etc..Upper cover 11 and 12 preferred sealing cover of lower cover close mode, and it is right in installation cavity 16 to enter to avoid dust and water etc. Two circuit boards impact.Plastic cement can be selected for upper cover 11 and lower cover 12 or metal material is made, but shows that cover board 13 is preferably adopted It is made of PC or the injection molding of other plastic materials, shows that the button figure of key area 132 on cover board 13 can silk according to actual needs Impression at.
In the present embodiment, the assembling process of remote controler 1 is as follows:First, display cover board 13 is installed on 11 upper surface of upper cover; Then, touch circuit plate 14 and the display screen of control circuit board 15 151 are corresponded to 132 He of key area for showing cover board 13 respectively Display area 131 is installed, while touch circuit plate 14 and control circuit board 15 realize communication connection;Finally, by lower cover 12 with it is upper The lid of lid 11 closes.By above procedure it is found that compared to traditional remote controler for doing button using conductive rubber, this remote controler 1 can be kept away Exempt from the problem that button is easy aging durability difference, not only simple in structure, assembly facility also has the advantages that water proof and dust proof, can be big It is big to improve the practicability and service life of remote controler, and improve the class of remote controler.Simultaneously as this remote controler 1 is using tactile Formula is touched by key control, therefore easy to operate, and for the remote controler using all touch screen, then have it is at low cost, It is suitble to the unitized advantage of remote controler.
Referring to Figures 1 and 2, in the present embodiment, specifically, upper cover 11 corresponds to display area 131 and offers shape adaptation First window 111, upper cover 11 corresponds to key area 132 and offers the second window 112 of shape adaptation.In this way, display screen 151 It can be manifested by first window 111, and be seen by transparent display area 131, and show the display area of cover board 13 131 also have the covering protection effect to display screen 151;Meanwhile one side of the touch circuit plate 14 equipped with touch sensible portion 141 can It is revealed by the second window 112, and is touched with button figure one-to-one correspondence.Right the design is without being limited thereto, in other implementations In example, the first window 111 that display area 131 opens up is corresponded in upper cover 11 can also use transparent membrane or transparent sheet generation It replaces.In addition, the medial surface in upper cover 11 is convexly equipped with defining flange 113 adjacent to two opposite edges of first window 111, controlling The display screen 151 of projection on circuit board 15 is mounted between two opposite defining flanges 113.
Referring to figs. 1 to Fig. 4, in this embodiment, it is preferred that, the upper surface of upper cover 11 is equipped with installation deep gouge 114, the first window Mouth 111 and the second window 112 are set to the slot bottom of installation deep gouge 114, and display cover board 13, which is then adapted to, is installed on installation deep gouge 114. Here, the setting of installation deep gouge 114 at least has following both sides effect, on the one hand, by showing the insertion installation of cover board 13 In deep gouge 114, the fixing assembling of display cover board 13 and upper cover 11 can be realized substantially;On the other hand, display cover board 13 adaptation peace Loaded on installation deep gouge 114 after upper surface of the upper surface of display cover board 13 substantially with upper cover 11 can be made to be substantially flush, it is whole to make The more smooth beauty of appearance of a remote controler 1.Certainly, in other embodiment, can not have to set on the upper surface of upper cover 11 yet Installation deep gouge 114 is set, upper surface of the display cover board 13 directly with upper cover 11 is fitted and connected.
Here, to make to connect more secured between display cover board 13 and upper cover 11, display cover board 13 is Nian Jie with upper cover 11, Specifically, display cover board 13 is coated with fixing glue (not shown) below, these fixing glues can be such that display cover board 13 is firmly sticked to Above lid 11, certainly, showing the modes such as can also use clamping or be spirally connected connect between cover board 13 and upper cover 11, but use herein Bonding way can make structure simpler and be conducive to assembly facility.Meanwhile in the present embodiment, control circuit board 15 preferably with it is upper Lid 11 is spirally connected, and such as, but not limited to, control circuit board 15 can be equipped with mounting hole, and the medial surface of upper cover 11 can correspond to mounting hole and set The column that is spirally connected of screw hole is equipped in setting.Certainly, in other embodiment, control circuit board 15 can also use the side such as bonding or clamping Formula is connect with upper cover 11, can also be connected on lower cover 12.But in the present embodiment, since touch circuit plate 14 is and control electricity What road plate 15 was directly connected to, therefore the pressing force pinned when touching figure can also be transferred to control circuit board 15, and use and be spirally connected Mode can be such that 150 points of control circuit board is connect securely with upper cover 11, and then can avoid touch circuit plate 14 and control circuit board 15 are detached from and influence signal transmission.
Referring to Fig.1, Fig. 3 and Fig. 4, in the present embodiment, specifically, touch sensible portion 141 is set on touch circuit plate 14 Touch sensible copper foil in one side towards key area 132, touch sensible portion 141 are Nian Jie with the medial surface of key area 132. Specifically, the position lower section that is sticked to display cover board 13 corresponding button figure of the touch sensible copper foil by fixing glue tightly.It changes Yan Zhi, touch sensible portion 141 and button figure constitute a touch key-press, when user touch press represent certain function by When key figure, touch sensible copper foil below can perceive at once, and corresponding signal is transmitted control circuit board 15.
Together with reference to Fig. 5, in the present embodiment, further, touch circuit plate 14 further includes touching chip 142 and periphery Circuit element (does not indicate), touches chip 142 and is set to the one side that touch circuit plate 14 deviates from key area 132, and touches chip 142 are electrically connected with touch sensible portion 141.Preferably capacitive sensing type is used to touch chip 142 here, touching chip 142, and utilized PCB copper foils make touch sensible portion 141, when corresponding button graph position on human body touch to display cover board 13, display lid The capacitance of plate 13 just will produce variation, that is, touch the control that chip 142 realizes touch key-press by the capacitance variation, and Control circuit board 15 is sent a signal to, to make control circuit board 15 generate corresponding control response.
Referring to Fig.1, Fig. 5 and Fig. 6, in the present embodiment, one of touch circuit plate 14 and control circuit board 15 are convex It is another to be equipped with the jack 143 planted for the adaptation of contact pin 152 equipped with contact pin 152.Specifically, deviate from button in touch circuit plate 14 Region 132 is convexly equipped with a metallic conduction convex block as the first communication connection interface on one side, and the convex block is towards control circuit board 15 Surface on set there are four jack 143, be convexly equipped with another metallic conduction on one side towards key area 132 in control circuit board 15 As the second communication connection interface, which sets on the surface towards touch circuit plate 14 there are four contact pin 152 convex block.In reality In assembly, contact pin 152 can closely be inserted into 143 the inside of jack, and be attached with the metal of 143 the inside of jack, this connection Mode is not only simple in structure but also fast and convenient.Certainly, in other embodiment, contact pin 152 can also be set to touch circuit plate 14 On, and jack 143 is set in control circuit board 15;Alternatively, touch circuit plate 14 can also be wirelessly communicated with control circuit board 15 Connection;Or both using connecting wire connection etc..
In the present embodiment, as shown in Figure 3 and Figure 4, button figure includes the various rectangles that can realize different control functions Block, such as temperature regulating key figure, air quantity regulating key figure, wind direction regulating key figure etc..Wherein, key area 132 It (is not indicated) equipped with locking key figure, touch sensible portion 141 includes the locking induction part touched with locking key figure, locking key figure Shape forms locking button with locking induction part, in this way, preventing from when user does not have to and encounters so as to cause false triggering the phenomenon that Occur.
Further, for user convenience, in this example it is shown that corresponded on cover board 13 be coated at button figure it is glimmering Luminescent material reduces the generation of maloperation in this way, user also can clearly identify different function buttons at night.Certainly, aobvious Fluorescent material can also be coated with by showing at the frame in region 131, in order to which user can also be clearly seen on display screen 151 at night Font.Here, to prevent from wearing, fluorescent material is preferably coated on the medial surface of display cover board 13.
The present invention also proposes a kind of air conditioner, which includes remote controler, and the concrete structure of the remote controler is with reference to above-mentioned Embodiment at least has above-described embodiment since this air conditioner uses whole technical solutions of above-mentioned all embodiments Technical solution caused by all advantageous effects, this is no longer going to repeat them.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly In the scope of patent protection that other related technical areas are included in the present invention.

Claims (10)

1. a kind of remote controler, which is characterized in that including:
Upper cover;
Lower cover, the lower cover are adapted to lid conjunction with the upper cover and form hollow installation cavity;
It shows cover board, is set to the upper surface of the upper cover, the display cover board includes the display area of transparent setting and sets There is the key area of button figure;
Touch circuit plate appears and is set to the upper cover, and the touch circuit plate is equipped with multiple touch sensible portions, the touch Circuit board is correspondingly arranged at the lower section of the key area, and the touch sensible portion is touched with button figure one-to-one correspondence; And
Control circuit board is placed in the installation cavity, and is connect with the touch circuit board communications, the control circuit board packet Display screen is included, the display screen is correspondingly arranged at the lower section of the display area and is shown by the display area.
2. remote controler as described in claim 1, which is characterized in that the upper cover corresponds to the display area, and to offer shape suitable The first window matched, the upper cover correspond to the second window that the key area offers shape adaptation.
3. remote controler as claimed in claim 2, which is characterized in that the upper surface of the upper cover is equipped with installation deep gouge, and described the One window is set to the slot bottom of the installation deep gouge with second window, and it is heavy that the display cover board adaptation is installed on the installation Slot.
4. remote controler as claimed in claim 2, which is characterized in that the touch sensible portion is set on the touch circuit plate face The medial surface of touch sensible copper foil in the one side of the key area, the touch sensible portion and the key area is viscous It connects.
5. remote controler as claimed in claim 4, which is characterized in that the touch circuit plate further includes touching chip, described to touch It touches chip and is set to the one side of the touch circuit backboard from the key area, and the touch chip and the touch sensible portion Electrical connection.
6. remote controler as claimed in claim 4, which is characterized in that the touch circuit plate and the control circuit board are wherein One of be convexly equipped with contact pin, it is another to be equipped with the jack planted for contact pin adaptation.
7. remote controler as described in claim 1, which is characterized in that the key area is equipped with locking key figure, the touch Induction part includes the locking induction part touched with the locking key figure, and the locking key figure is formed with the locking induction part Locking button.
8. remote controler as described in claim 1, which is characterized in that the display cover board is Nian Jie with the upper cover, the control Circuit board is spirally connected with the upper cover.
9. remote controler as described in claim 1, which is characterized in that correspond on the display cover board and be coated at the button figure Fluorescent material.
10. a kind of air conditioner, which is characterized in that include the remote controler as described in claim 1 to 9 any one.
CN201810025762.5A 2018-01-09 2018-01-09 Remote controler and air conditioner Pending CN108302702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810025762.5A CN108302702A (en) 2018-01-09 2018-01-09 Remote controler and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810025762.5A CN108302702A (en) 2018-01-09 2018-01-09 Remote controler and air conditioner

Publications (1)

Publication Number Publication Date
CN108302702A true CN108302702A (en) 2018-07-20

Family

ID=62868813

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810025762.5A Pending CN108302702A (en) 2018-01-09 2018-01-09 Remote controler and air conditioner

Country Status (1)

Country Link
CN (1) CN108302702A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110260476A (en) * 2019-05-29 2019-09-20 佛山市中格威电子有限公司 A kind of no battery idle call remote controler
CN113017882A (en) * 2021-03-08 2021-06-25 上海飞象健康科技有限公司 Tooth flushing device and tooth flushing device setting method with human body induction technology

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Publication number Priority date Publication date Assignee Title
CN201821429U (en) * 2010-10-15 2011-05-04 深圳Tcl新技术有限公司 Remote controller
CN202813647U (en) * 2012-06-13 2013-03-20 广东美的制冷设备有限公司 Remote controller for air conditioner
CN202870789U (en) * 2012-08-31 2013-04-10 比亚迪股份有限公司 Remote control
CN203628935U (en) * 2013-12-05 2014-06-04 美的集团股份有限公司 Air-conditioning remote controller
JP2014214935A (en) * 2013-04-24 2014-11-17 ダイキン工業株式会社 Terminal device and air conditioning unit
CN204345861U (en) * 2014-12-25 2015-05-20 上海新祁环境科技有限公司 Sliding screen formula air-conditioner remote control device
CN204853830U (en) * 2015-08-04 2015-12-09 广东美的制冷设备有限公司 Remote controller and domestic appliance
CN206452635U (en) * 2016-12-23 2017-08-29 深圳市明森照明电器科技有限公司宝安分公司 Multifunctional remote controlller

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201821429U (en) * 2010-10-15 2011-05-04 深圳Tcl新技术有限公司 Remote controller
CN202813647U (en) * 2012-06-13 2013-03-20 广东美的制冷设备有限公司 Remote controller for air conditioner
CN202870789U (en) * 2012-08-31 2013-04-10 比亚迪股份有限公司 Remote control
JP2014214935A (en) * 2013-04-24 2014-11-17 ダイキン工業株式会社 Terminal device and air conditioning unit
CN203628935U (en) * 2013-12-05 2014-06-04 美的集团股份有限公司 Air-conditioning remote controller
CN204345861U (en) * 2014-12-25 2015-05-20 上海新祁环境科技有限公司 Sliding screen formula air-conditioner remote control device
CN204853830U (en) * 2015-08-04 2015-12-09 广东美的制冷设备有限公司 Remote controller and domestic appliance
CN206452635U (en) * 2016-12-23 2017-08-29 深圳市明森照明电器科技有限公司宝安分公司 Multifunctional remote controlller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110260476A (en) * 2019-05-29 2019-09-20 佛山市中格威电子有限公司 A kind of no battery idle call remote controler
CN113017882A (en) * 2021-03-08 2021-06-25 上海飞象健康科技有限公司 Tooth flushing device and tooth flushing device setting method with human body induction technology

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Application publication date: 20180720

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