CN213521835U - Human body induction device of household appliance and household appliance - Google Patents
Human body induction device of household appliance and household appliance Download PDFInfo
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- CN213521835U CN213521835U CN202022193788.6U CN202022193788U CN213521835U CN 213521835 U CN213521835 U CN 213521835U CN 202022193788 U CN202022193788 U CN 202022193788U CN 213521835 U CN213521835 U CN 213521835U
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Abstract
A human body sensing device of a household appliance comprises a display screen and a first circuit board electrically connected with the display screen; the first circuit board is arranged on a display panel of the household appliance, and the display screen is arranged on the first circuit board; the display screen comprises a light-transmitting sheet, an infrared pair tube assembly and a shell, the light-transmitting sheet is arranged on the top of the shell, a first accommodating cavity is arranged in the shell and comprises a first accommodating sub-cavity and a second accommodating sub-cavity, the infrared pair tube assembly comprises an infrared transmitting tube and an infrared receiving tube, the infrared pair tube and the display screen are integrated, and the infrared coverage range of the infrared pair tube can more comprehensively cover the household appliance; the infrared transmitting tube and the infrared receiving tube are respectively arranged close to the middle of the display screen, so that the condition that the human body is induced to miss detection can be reduced. The utility model has the characteristics of simple structure is reasonable, low in manufacturing cost, the product is pleasing to the eye and save electric energy etc.
Description
Technical Field
The utility model relates to a domestic appliance, in particular to domestic appliance's human induction system and domestic appliance.
Background
Along with the development of science and technology, the user has higher and higher requirements on household appliances, and besides the diversification of the functions of the household appliances, the intellectualization of the household appliances is also more and more valued by the user.
As shown in fig. 5, 6 and 7, the household appliance (e.g., dishwasher) includes a cabinet 1 ', a door 2 ' and a display panel assembly 3 '; the display panel assembly 3 'is arranged on one side face of the box body 1' or a front shielding plate of the door body 2 ', the display panel assembly 3' comprises a display screen 3.1 'and a sensing module, the sensing module comprises an infrared pair tube 3.2' and a shell body 3.3 ', and the infrared pair tube 3.2' comprises an infrared transmitting tube 3.21 'and an infrared receiving tube 3.22';
when one sensing module is arranged at one end of the display panel assembly, a user approaches the household appliance from the other end of the display panel assembly 3', the sensing module cannot recognize that a human body approaches, the condition of missing detection exists, and the human body sensing error is large;
when the two sensing modules are respectively arranged at the two ends of the display panel component 3', although the condition of missing detection can be reduced, the hardware cost and the manual assembly cost are increased;
the traditional sensing module is influenced by the structural space, only one end or two ends of a computer board can be considered, meanwhile, according to the installation and use requirements of the sensing module, an opaque shell must be added, the infrared emission tube 3.21 'and the infrared receiving tube 3.22' are separated, and no matter which position the traditional sensing module installation scheme is installed, a transparent window needs to be formed in the front panel of the display panel assembly 3 ', infrared rays can be smoothly emitted and received, and the window formed in the display panel assembly 3' influences the external attractiveness of a product.
Therefore, further improvements are desired.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure is reasonable, low in manufacturing cost, effectively improve human response detection's precision, product pleasing to the eye and save the human induction system and domestic appliance of electric energy to overcome the weak point among the prior art.
The human body sensing device of the household appliance comprises a display screen and a first circuit board electrically connected with the display screen; the first circuit board is arranged on a display panel of the household appliance, and the display screen is arranged on the first circuit board; the method is characterized in that: the display screen includes printing opacity piece, infrared geminate transistor subassembly and casing, and the printing opacity piece sets up on the casing top, be provided with the first chamber that holds in the casing, infrared geminate transistor subassembly is located the first intracavity that holds, and infrared geminate transistor subassembly orientation printing opacity piece to make infrared geminate transistor subassembly pass the printing opacity layer of printing opacity piece.
The first chamber that holds includes that the first sub-chamber that holds and the second holds sub-chamber, the first sub-chamber that holds and the second holds sub-chamber and separate the setting each other, infrared pair pipe subassembly includes infrared transmitting tube and infrared receiving tube, and infrared transmitting tube sets up in the first sub-chamber that holds, and infrared receiving tube sets up in the second holds the sub-chamber.
The display screen further comprises a second circuit board, a second accommodating cavity is further arranged in the shell, the second circuit board is arranged in the second accommodating cavity, pin ends are respectively arranged on the infrared transmitting tube and the infrared receiving tube, the first accommodating sub-cavity and the second accommodating sub-cavity are respectively formed by enclosing the light-transmitting sheet, the second circuit board and the shell, and the infrared transmitting tube and the infrared receiving tube are respectively electrically connected with the second circuit board through the pin ends;
or the first sub-chamber and the second sub-chamber of holding are enclosed to close through printing opacity piece, first circuit board and casing respectively and are constituted, and infrared transmitting tube and infrared receiving tube are connected with first circuit board electricity through the pin end respectively.
The infrared transmitting tube comprises a transmitting end, the infrared receiving tube comprises a receiving end, and the transmitting end of the infrared transmitting tube and the receiving end of the infrared receiving tube face the light transmitting sheet respectively.
The first sub-chamber and the second of holding hold sub-chamber and are close to the middle part setting of display screen respectively.
The second circuit board is provided with a metal wire, the shell is provided with a through hole corresponding to the metal wire, and the second circuit board penetrates through the through hole through the metal wire and then is electrically connected with the first circuit board.
The second circuit board comprises a plurality of light-emitting devices, and the light-emitting devices and the light-transmitting sheet are arranged in a hollow manner.
The shell is made of opaque plastic materials.
The household appliance designed according to the purpose comprises a box body and is characterized in that: the front panel of the box body is provided with a display panel assembly, and the display panel assembly comprises the human body induction device of the household appliance.
The household appliances are at least microwave ovens, air conditioners, refrigerators, washing machines, dish washing machines and range hoods.
The utility model discloses a domestic appliance's human induction system and domestic appliance, the first chamber that holds infrared geminate transistors subassembly is set up in the display screen, and the first chamber that holds includes that the first sub chamber that holds and the sub chamber is held to the second, and infrared geminate transistors subassembly includes infrared transmitting tube and infrared receiving tube, realizes that infrared geminate transistors and display screen combine together for the infrared ray coverage of infrared geminate transistors can more comprehensive cover domestic appliance, and then can reduce the condition that human response was missed to be examined. Moreover, a groove for accommodating the infrared geminate transistors is not required to be additionally arranged on the display panel, so that the hardware cost and the manual assembly cost are reduced; the window of the display screen is directly utilized by the window of the infrared geminate transistors, the window does not need to be additionally opened on the display panel assembly, the attractiveness of the product is enhanced, the infrared transmitting tube and the infrared receiving tube are respectively arranged close to the middle of the display screen, the condition that human body induction is missed is reduced, the display screen and/or the key assembly are lightened when a user is close to the household appliance, and the phenomenon that the display screen and/or the key assembly of the household appliance are always lightened, so that electric energy is wasted. It has the characteristics of simple and reasonable structure, low manufacturing cost, attractive appearance and the like.
Drawings
Fig. 1 is a schematic view of an application scene of a user and an infrared pair tube assembly according to an embodiment of the present invention.
Fig. 2 is a schematic view of an assembly structure of the display screen, the key assembly and the display panel assembly according to an embodiment of the present invention.
Fig. 3 is an assembly structure diagram of the infrared pair tube assembly, the housing, the first circuit board, the second circuit board and the light emitting device according to an embodiment of the present invention.
Fig. 4 is a schematic view of an assembly structure of an infrared pair tube assembly, a housing, a first circuit board, a second circuit board and a light emitting device according to a second embodiment of the present invention.
Fig. 5-7 are schematic views of the assembly of a prior art display panel assembly and a sensing module, respectively.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
1-display screen, 2-first circuit board, 3-light-transmitting sheet, 4-infrared pair tube assembly, 4.1-infrared transmitting tube, 4.11-transmitting end, 4.2-infrared receiving tube, 4.21-receiving end, 4.3-pin end, 5-shell, 5.1-first containing cavity, 5.11-first containing cavity, 5.12-second containing cavity, 5.2-second containing cavity, 6-second circuit board, 6.1-metal wire, 6.2-light-emitting device, 7-box body, 8-display panel assembly, 9-key assembly, 10-user and 11-door body.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1-3, the human body sensing device of the household appliance comprises a display screen 1 and a first circuit board 2 electrically connected with the display screen 1; the first circuit board 2 is arranged on a display panel of the household appliance, and the display screen 1 is arranged on the first circuit board 2; display screen 1 includes printing opacity piece 3, infrared geminate transistor subassembly 4 and casing 5, and printing opacity piece 3 sets up on 5 tops of casing, be provided with the first chamber 5.1 that holds in casing 5, infrared geminate transistor subassembly 4 is located the first chamber 5.1 that holds, and infrared geminate transistor subassembly 4 orientation printing opacity piece 3 to make infrared geminate transistor subassembly 4 pass the printing opacity layer of printing opacity piece 3.
Referring to fig. 3, the display screen 1 further includes a second circuit board 6, a second accommodating cavity 5.2 is further provided in the housing 5, the second circuit board 6 is provided in the second accommodating cavity 5.2, the infrared transmitting tube 4.1 and the infrared receiving tube 4.2 are respectively provided with a pin end 4.3, the first accommodating sub-cavity 5.11 and the second accommodating sub-cavity 5.12 are respectively surrounded by the light-transmitting sheet 3, the second circuit board 6 and the housing 5, and the infrared transmitting tube 4.1 and the infrared receiving tube 4.2 are respectively electrically connected with the second circuit board 6 through the pin end 4.3. Through reserving first sub-chamber 5.11 and the second of holding to display screen 1 and holding sub-chamber 5.12 and pass second circuit board 6 for but infrared emission tube 4.1 and infrared receiving tube 4.2 direct electric connection first circuit board 2, the infrared emission tube 4.1 and the assembly of infrared receiving tube 4.2 of being convenient for have improved assembly efficiency in display screen 1.
Realize that infrared geminate transistors subassembly 4 and display screen 1 combine together for the infrared ray coverage of infrared geminate transistors subassembly 4 can be more comprehensive cover domestic appliance, and then can reduce the condition that human response was missed to examine, improve the precision of information collection. An installation groove for accommodating the infrared pair tube assembly 4 is not required to be additionally arranged on the display panel assembly 8, so that the hardware cost and the manual assembly cost are reduced; the window of the infrared pair tube assembly 4 directly utilizes the window of the display screen 1, and the window does not need to be additionally opened on the display panel assembly 8, so that the product appearance is enhanced.
Referring to fig. 1 and 3, the human body sensing device of the household appliance further comprises a door body 11 hinged to the box body 7, and the infrared transmitting tube 4.1 is used for transmitting an infrared signal (the infrared signal is reflected when contacting the human body); the infrared receiving tube 4.2 is used for receiving the reflected infrared signal and transmitting the received infrared signal to the first circuit board 2 and the second circuit board 6; the first circuit board 2 and the second circuit board 6 can judge the distance of the human body according to the transmitting and receiving time, the signal intensity and the like of the infrared signals, and then can confirm whether a user approaches the household appliance. First circuit board 2 and second circuit board 6 judge according to infrared signal that there is the human body to be close to domestic appliance when, can trigger start display screen 1 and/or key subassembly 9 etc. realize that the user lights display screen 1 and/or key subassembly 9 when being close to domestic appliance, avoid domestic appliance's display screen 1 and/or key subassembly 9 to be shining always, extravagant electric energy to promote the accuracy of awakening up or locking, promoted user experience.
Referring to fig. 3, the first chamber 5.1 that holds includes that the first sub-chamber 5.11 and the second that holds sub-chamber 5.12, and the first sub-chamber 5.11 that holds and the second that holds hold sub-chamber 5.12 and separate the setting each other, and infrared pair of transistor module 4 includes infrared transmitting tube 4.1 and infrared receiving tube 4.2, and infrared transmitting tube 4.1 sets up in the first sub-chamber 5.11 that holds, and infrared receiving tube 4.2 sets up in the second holds sub-chamber 5.12.
Realize that infrared geminate transistor subassembly 4 and display screen 1 combine together, and because infrared transmitting tube 4.1 and infrared receiving tube 4.2 have utilized display screen 1 self structure to keep apart, reduced hardware cost and manual assembly cost. The infrared coverage range emitted by the infrared emission tube 4.1 can more comprehensively cover the household appliance, and further the condition of missed detection caused by human body induction can be reduced. In addition, the infrared transmitting tube 4.1 and the infrared receiving tube 4.2 are mutually isolated through the filling material of the first filling layer, an isolation shell does not need to be additionally arranged, and the cost is reduced.
The infrared transmitting tube 4.1 comprises a transmitting end 4.11, the infrared receiving tube 4.2 comprises a receiving end 4.21, and the transmitting end 4.11 of the infrared transmitting tube 4.1 and the receiving end 4.21 of the infrared receiving tube 4.2 face the light-transmitting sheet 3 respectively.
The first and second receiving sub-chambers 5.11, 5.12 are each located near the middle of the display screen 1. And then make the infrared ray coverage that infrared transmitting tube 4.1 sent out can more comprehensive cover domestic appliance, reduce the condition that human response was missed to examine.
The second circuit board 6 is provided with a metal wire 6.1, the shell 5 is provided with a through hole corresponding to the metal wire 6.1, and the second circuit board 6 penetrates through the through hole through the metal wire 6.1 and then is electrically connected with the first circuit board 2. The electric connection between the first circuit board 2 and the second circuit board 6 is realized, and the display screen 1 is fixed on the first circuit board 2 by fixing.
The second circuit board 6 comprises a plurality of light emitting devices 6.2, and hollow-out arrangement is arranged between the light emitting devices 6.2 and the light transmitting sheet 3.
Specifically, the light emitting device 6.2 is at least an LED lamp, so that the interface of the display screen 1 is clearer and more clear, which is beneficial to improving the user experience.
The housing 5 is made of a light-impermeable plastic material. The self structure of the display screen 1 is utilized for isolation, and the hardware cost and the manual assembly cost are reduced.
Referring to fig. 1 and 2, a household appliance includes a box body 7, a display panel assembly 8 is disposed on a front panel of the box body 7, and the display panel assembly 8 includes a human body sensing device of the household appliance. Based on the last display panel subassembly 8 that has human induction system that sets up of domestic appliance, the infrared ray coverage that makes infrared transmitting tube 4.1 launch away can be more comprehensive covers domestic appliance, improves the precision that human response detected, reduces and misses the condition, and does not influence pleasing to the eye.
The household appliances are at least microwave ovens, air conditioners, refrigerators, washing machines, dishwashers and range hoods.
Specifically, the home appliances include, but are not limited to, microwave ovens, air conditioners, refrigerators, washing machines, dish washers, range hoods, and the like.
Second embodiment
Referring to fig. 4, the first sub-cavity 5.11 and the second sub-cavity 5.12 are enclosed by the light-transmitting sheet 3, the first circuit board 2 and the housing 5, respectively, and the infrared transmitting tube 4.1 and the infrared receiving tube 4.2 are electrically connected with the first circuit board 2 through the pin terminals 4.3, respectively.
The other parts not described are the same as those of the first embodiment.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A human body induction device of a household appliance comprises a display screen (1) and a first circuit board (2) electrically connected with the display screen (1); the first circuit board (2) is arranged on a display panel of the household appliance, and the display screen (1) is arranged on the first circuit board (2); the method is characterized in that: display screen (1) includes printing opacity piece (3), infrared geminate transistor subassembly (4) and casing (5), and printing opacity piece (3) set up on casing (5) top, be provided with first chamber (5.1) that holds in casing (5), infrared geminate transistor subassembly (4) are located first chamber (5.1) that holds, and infrared geminate transistor subassembly (4) orientation printing opacity piece (3) to make infrared geminate transistor subassembly (4) pass the euphotic layer of printing opacity piece (3).
2. The human body sensing device of household appliances according to claim 1, characterized in that: first chamber (5.1) of holding holds sub-chamber (5.11) and second and holds sub-chamber (5.12) including first sub-chamber (5.11) and the second of holding, first sub-chamber (5.11) and the second of holding hold sub-chamber (5.12) and separate the setting each other, infrared pair of transistor subassembly (4) includes infrared transmitting tube (4.1) and infrared receiving tube (4.2), and infrared transmitting tube (4.1) set up in first sub-chamber (5.11) of holding, and infrared receiving tube (4.2) set up in the second holds sub-chamber (5.12).
3. The human body sensing device of household appliances according to claim 2, characterized in that: the display screen (1) further comprises a second circuit board (6), a second accommodating cavity (5.2) is further formed in the shell (5), the second circuit board (6) is arranged in the second accommodating cavity (5.2), pin ends (4.3) are respectively arranged on the infrared transmitting tube (4.1) and the infrared receiving tube (4.2), the first accommodating sub-cavity (5.11) and the second accommodating sub-cavity (5.12) are respectively formed by enclosing the light-transmitting sheet (3), the second circuit board (6) and the shell (5), and the infrared transmitting tube (4.1) and the infrared receiving tube (4.2) are respectively electrically connected with the second circuit board (6) through the pin ends (4.3);
or the first sub-cavity (5.11) and the second sub-cavity (5.12) are enclosed and closed through the light-transmitting sheet (3), the first circuit board (2) and the shell (5) respectively, and the infrared transmitting tube (4.1) and the infrared receiving tube (4.2) are electrically connected with the first circuit board (2) through the pin ends (4.3) respectively.
4. The human body sensing device of household appliances according to claim 3, characterized in that: infrared emission pipe (4.1) are including emission end (4.11), infrared receiving tube (4.2) are including receiving terminal (4.21), and emission end (4.11) and receiving terminal (4.21) of infrared receiving tube (4.2) of infrared emission pipe (4.1) are respectively towards light-transmitting piece (3).
5. The human body sensing device of household appliances according to claim 4, characterized in that: the first sub-cavity (5.11) and the second sub-cavity (5.12) are respectively arranged close to the middle part of the display screen (1).
6. The human body sensing device of household appliances according to claim 5, characterized in that: the second circuit board (6) is provided with a metal wire (6.1), the shell (5) is provided with a through hole corresponding to the metal wire (6.1), and the second circuit board (6) penetrates through the through hole through the metal wire (6.1) and then is electrically connected with the first circuit board (2).
7. The human body sensing device of household appliances according to claim 6, characterized in that: the second circuit board (6) comprises a plurality of light-emitting devices (6.2), and hollow-out arrangement is arranged between the light-emitting devices (6.2) and the light-transmitting sheet (3).
8. The human body sensing device of household appliances according to claim 6, characterized in that: the shell (5) is made of a light-tight plastic material.
9. A household appliance comprising a box (7), characterized in that: the front panel of the box body (7) is provided with a display panel assembly (8), and the display panel assembly (8) comprises the human body sensing device of the household appliance according to any one of claims 1 to 8.
10. The household appliance according to claim 9, wherein: the household appliances are at least microwave ovens, air conditioners, refrigerators, washing machines, dish washing machines and range hoods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193788.6U CN213521835U (en) | 2020-09-29 | 2020-09-29 | Human body induction device of household appliance and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193788.6U CN213521835U (en) | 2020-09-29 | 2020-09-29 | Human body induction device of household appliance and household appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213521835U true CN213521835U (en) | 2021-06-22 |
Family
ID=76464038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022193788.6U Active CN213521835U (en) | 2020-09-29 | 2020-09-29 | Human body induction device of household appliance and household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213521835U (en) |
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2020
- 2020-09-29 CN CN202022193788.6U patent/CN213521835U/en active Active
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