CN1213273C - Refrigerator display screen device - Google Patents
Refrigerator display screen device Download PDFInfo
- Publication number
- CN1213273C CN1213273C CN 02100787 CN02100787A CN1213273C CN 1213273 C CN1213273 C CN 1213273C CN 02100787 CN02100787 CN 02100787 CN 02100787 A CN02100787 A CN 02100787A CN 1213273 C CN1213273 C CN 1213273C
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- CN
- China
- Prior art keywords
- cold air
- display screen
- refrigerator
- circuit board
- printed circuit
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- 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.)
- Expired - Fee Related
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Abstract
The present invention discloses a display screen device for a refrigerator, which is used for preventing wrong operation and faults and enlarging the storage space of the refrigerator to lower the production cost and improve the operation condition. The display screen device comprises a cold air duct, a printed circuit board, a lateral face structure and an arranged part of the display screen, wherein the cold air duct is arranged in the storage space of the refrigerator, paths used for supply cold air are formed in the cold air duct, the front end of the cold air duct is provided with an arranged groove, a luminescent device is arranged in the printed circuit board to display the operating state of the refrigerator, a control box is arranged at the front end of the cold air duct and has a function that the control box is used for separating the cold air duct from the storage space, and the printed circuit board is inserted into an insertion groove to form a space with a certain size. The arranged part of the display screen has the functions that the lateral face structure space is separated from the storage space, and a front part structure is formed so as to make the light generated by the luminescent device displayed at the outer part.
Description
Technical field
The invention relates to refrigerator, particularly be a kind of refrigerator display screen device of display refrigerator operating condition constantly.
Background technology
In general, refrigerator display screen device links to each other with the control part of control refrigerator running, shows cold by force or weak cold etc. refrigerator operating condition constantly, where necessary, utilizes input function to regulate the refrigerator operating condition arbitrarily.Thus, can be easy to grasp the working order of refrigerator, the control refrigerator carries out special runnings such as snap frozen.
Fig. 1 is traditional display device part-structure exploded perspective view.As shown in the figure, the inner casing 1 of cold compartment of refrigerator R inwall is equivalent to the part of refrigerating chamber R rear wall, is provided with the groove 2 of prescribed depth.And on groove 2, be provided with cold duct 3 to refrigerating chamber supply cold air.
Cold duct 3 is the accessories that the cold air that evaporimeter produces are fed to refrigerating chamber R, and portion is by vertically being provided with the cold air path 3a that can carry cold air within it.And,, be provided with a plurality of cold air delivery outlet 3bs identical along the front of cold duct with cold air path 3a in the front relative with refrigerating chamber R.
Thus, after cold air flows into cold duct 3, flow downwards, and be fed to uniformly among the refrigerating chamber R by cold air delivery outlet 3b along cold air path 3a.And, on a side of cold duct 3 front ends, be provided with the dimetric groove 3c that is provided with.Cold duct is in order to make cold air in the state of thermal isolation current downflow, and its material generally adopts the EPS material of foamed polystyrene and so on.
Outside cold duct 3, be exposed at refrigerating chamber R inside, generally at its installed in front control cabinet 4.The shell of control cabinet 4 is generally selected the synthetic resin casting for use, in control cabinet, is provided with through hole 4a with the corresponding part of cold air delivery outlet 3b of cold duct 3, and through hole 4a is fed to the cold air of cold air delivery outlet 3b output in the refrigerating chamber R.
Simultaneously, the storage part 5 that oriented rear side falls on control cabinet 4.Storage part 5 is inserted into and is provided with in the groove 3c, its shape with groove 3c be set be complementary.Control cabinet 4 is installed in the front side of cold duct 3, and the space that groove 3c and storage part 5 form the prescribed level that falls in to rear side is set.Then, in the inboard of this storage part 5 display device 6 is set.
With reference to Fig. 2 as can be known, display device 6 is to be made of the printed circuit board (PCB) 7 of built-in display refrigerator operating condition and the display lid 8 of protection printed circuit board (PCB) 7.Printed circuit board (PCB) 7 and display lid 8 are mounted to an integral body.And the back side of display device 6 is exactly the back side of printed circuit board (PCB) 7.
Be provided with by electric signal in the printed circuit board (PCB) 7 luminous, and to the LED of outside display refrigerator operating condition 7a.In control part, be provided with the switch 7b of user's input control signal.
Display lid 8 is provided with to the outside and shows display window 8a that LED 7a is luminous and the button 8b of gauge tap 7b.
The display lid 8 of display device 6 is a front end, and display window 8a and button 8b insert to refrigerating chamber R, are fixed in the storage part 5.
But traditional display device has following shortcoming.
At first, as shown in Figure 2, display device 6 is actually and is inserted into being provided with among the groove 3c of cold duct 3.That is, be arranged on the place close with cold air path.Moreover, be provided with storage part 5 at display device 6 with in the middle of groove 3c is set, and the thickness of display device 6 is fixed.Therefore, protrude in refrigerating chamber R side for fear of display unit 6, the Thickness Design that needs to be provided with between groove 3c and the cold air path 3a becomes the thickness identical with the rear wall of storage part 5.
In this case, because of the material of storage part 5 is the lower synthetic resin of heat-insulating capability, therefore,, reduced the heat-insulating capability between display unit 6 and the storage part 5 because thinner thickness between groove 3c and the cold air path 3a is set.Thus, the air by in the refrigerating chamber of the inflow of the slit between display unit 6 and the storage part 5 is subjected to the influence at the cold gas of cold air path 3a internal flow, in the back side of printed circuit board (PCB) 7 and the rear end 5a dewfall of storage part.
At this moment, moisture can be impregnated into the inside of described display unit 6, makes the electric component short circuit that is built in printed circuit board (PCB) 7, causes the misoperation and the fault of electric property than weak part.
In order to address this is that, thickening cold air path 3a and thickness between the groove 3c is set guarantees heat-insulating capability, then can cause display unit 6 outstanding cool room inboards, reduces the volume of refrigerating chamber R accordingly.
And, other is equipped with the display lid 8 of display device 6, when improving fee of material, again when display device 6 is installed, need to increase by one after fitting printed circuit board 7 and display lid 8, again this display device 6 is inserted into the engineering of storage part 5, thereby makes the whole erection engineering become more complicated.
Summary of the invention
In order to solve above problem, the purpose of this invention is to provide a kind of refrigerator display screen device, to reach the purpose that prevents mistake running and fault, can also enlarge the refrigerator memory space.
To achieve these goals, the present invention implements by following scheme, the display device structure comprises: at the indoor cold duct that is provided with to refrigerating chamber supply cold air of refrigerator cold-storage, inside is provided with the passage of supply cold air, outside cold duct, be exposed at refrigerating chamber inside, fall in formation at the cold duct front end groove is set, at cold duct installed in front control cabinet, the display screen portion of setting is positioned at groove is set, portion is set display screen and control cabinet forms an integral body, and be formed with side surface part and front face, in being provided with portion, display screen is provided with printed circuit board (PCB) and luminescent device, side surface part is inserted in and is provided with in the groove, and and be provided with and be formed with the space between the groove, make light that luminescent device produces in front portion demonstrate the operating condition of refrigerator.
In printed circuit board (PCB), built-in send the switch of signal, and be provided with the button of master cock in the front that display screen is provided with portion to control part.
The effect of above structure of the present invention can prevent that moisture is impregnated into printed circuit board (PCB), prevents mistake running and fault thus, enlarges memory space, thereby can reduce producing cost, improves operation.
More than explanation makes display lid and control cabinet form an integral body, thereby can guarantee the spacing between printed circuit board (PCB) and the cold air path fully as can be known among the present invention.So just can prevent the phenomenon of printed circuit board (PCB) back side dewfall, thereby prevent the mistake running and the fault of display unit, improve the reliability of goods, can also reduce the thickness of cold duct self.Thus, when making the memory space increase of refrigerator, can reduce the manufacturing expense of cold duct, reduce the manufacturing cost of whole goods.
Different with the engineering of traditional fitting printed circuit board and display lid, display device is installed in the control cabinet storage part, according to the present invention, printed circuit board (PCB) is arranged on the control cabinet display screen portion is set.Therefore, need not to use in addition display lid, thereby when reducing production costs, make complicated job engineering become simpler, improved operation.
Description of drawings
Fig. 1 is traditional display device part-structure exploded perspective view.
Fig. 2 is the concise and to the point sectional drawing of traditional display device state.
Fig. 3 is the concise and to the point sectional drawing of display device state of the present invention.
Among the figure
1 inner casing, 2 inner casing grooves
3 cold duct 3a cold air paths
3b cold air delivery outlet 3c is provided with groove
4 control cabinet 4a through holes
5 storage part 5a storage part rear walls
6 display devices, 7 printed circuit board (PCB)s
8 display lid 8a display windows
The 8b button
13 display screens are provided with the 13a of portion side surface part
13b front face 13c display screen window
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in more details.
Fig. 3 is the concise and to the point sectional drawing of display device state of the present invention, as shown in the figure, cold duct 3 is set in refrigerating chamber R and the cold air path 3a of cold air is provided to refrigerating chamber.Cold duct 3 is supplied to refrigerating chamber R with the cold air that evaporimeter produces.The front end of cold air path 3a is provided with a plurality of cold air delivery outlet 3b, and cold air is entered in the refrigerating chamber R.And, fall in to form at the area of cold duct 3 front end prescribed level groove 3c be set.Cold duct 3 and cold air path 3a generally adopt heat-barrier materials such as EPS, avoid carrying out heat exchange with cold air.
Front end at cold duct 3 is provided with control cabinet 4.Control cabinet 4 separates cold duct 3 and refrigerating chamber, and the through hole 4a of control cabinet 4 is corresponding with the cold air delivery outlet 3b of cold duct 3, and cold air enters in the refrigerating chamber R by cold air delivery outlet 3b.
Simultaneously, control cabinet 4 is positioned at groove 3c is set, and display screen is provided with portion 13 and is positioned at the control cabinet 4 that groove 3c is set.After display screen is provided with portion 13 and is inserted into the control cabinet 4 that is provided with in the groove 3c, form the side surface part 13a in prescribed level space, side surface part 13a and control cabinet 4 form the front face 13b of refrigerating chamber R.That is, display screen inner space that portion 13 is set is opened to rear side.And the inboard that portion 13 is set at display screen is provided with the printed circuit board (PCB) 7 that constitutes refrigerator display screen device.
Printed circuit board (PCB) 7 has the LED 7a of built-in display refrigerator operating condition and signal is inputed to the switch 7b of control part.The front face 13b that the front end of portion 13 is set at display screen is provided with display window 13c, but also is provided with the button 8b of master cock 7b.
By above structure as can be known, printed circuit board (PCB) 7 is installed in display screen portion 13 is set, and forms wholely, and the front face 13b that the front end of portion 13 is set at display screen is provided with display window 13c and button 8b, plays the effect of traditional display lid 8.That is, traditional display lid 8 forms an integral body with control cabinet 4 among the present invention.
Refrigerator display screen device of the present invention is installed in the structure that display screen is provided with portion 13 with printed circuit board (PCB) 7, and display screen is provided with portion 13 can not form rear wall.Like this, comparison diagram 2 and Fig. 3 can be increased to the thickness X ` that is provided with between groove 3c and the cold air path 3a and traditional identical size of storage part rear wall 5a as can be known at least.That is, adopt the heat insulation material EPS identical with cold duct 3, replacement synthetic resin, heat-insulating capability is correspondingly strengthened, and thickness reduces.Thus, cold air among the cold air path 3a be can prevent, thereby the mistake running and the fault of printed circuit board (PCB) 7 accessories prevented in the back side of printed circuit board (PCB) 7 dewfall.And, because of front face 13b and control cabinet 4 have formed one, so in the present invention, there is not the slit between traditional storage part 5 and the display device 6.Thus, the air of refrigerating chamber R is difficult to therefore the dewfall phenomenon can not take place by being provided with between the groove 3c and printed circuit board (PCB) 7 back sides.
As making the thickness that is provided with between groove 3c and the cold air path 3a keep traditional thickness, printed circuit board (PCB) 7 can be provided with near the inboard that groove 3c is set.At this moment cold duct 3 whole thickness can be reduced, reach the level that printed circuit board (PCB) 7 can be inserted into the inboard that groove 3c is set, thereby, can enlarge the refrigerator memory space, can reduce the manufacturing expense of cold duct 3 simultaneously.
Claims (2)
1. refrigerator display screen device, be included in the indoor cold duct that is provided with to refrigerating chamber supply cold air of refrigerator cold-storage, inside is provided with the passage of supply cold air, outside cold duct, be exposed at refrigerating chamber inside, fall in formation at the cold duct front end groove is set, at cold duct installed in front control cabinet, it is characterized in that, display screen is provided with portion (13) and is positioned at groove (3c) is set, display screen is provided with portion (13) and forms an integral body with control cabinet (4), and be formed with side surface part (13a) and front face (13b), side surface part (13a) and be provided with between the groove (3c) and be formed with the slit, portion (13b) is provided with display window (13c) in front, in being provided with portion (13), display screen is provided with printed circuit board (PCB) (7), be provided with luminescent device (7a) on printed circuit board (PCB) (7), the light that luminescent device (7a) produces demonstrates the operating condition of refrigerator by display window (13c).
2. according to the described refrigerator display screen device of claim 1, it is characterized in that, printed circuit board (PCB) (7) is built-in with the switch (7b) of sending signal to control part, and the front face (13b) that display screen is provided with portion (13) be provided with can master cock (7b) button (8b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02100787 CN1213273C (en) | 2002-01-29 | 2002-01-29 | Refrigerator display screen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02100787 CN1213273C (en) | 2002-01-29 | 2002-01-29 | Refrigerator display screen device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1435663A CN1435663A (en) | 2003-08-13 |
| CN1213273C true CN1213273C (en) | 2005-08-03 |
Family
ID=27627265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02100787 Expired - Fee Related CN1213273C (en) | 2002-01-29 | 2002-01-29 | Refrigerator display screen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1213273C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4948578B2 (en) * | 2009-08-12 | 2012-06-06 | 日立アプライアンス株式会社 | refrigerator |
| KR20120008206A (en) | 2010-07-16 | 2012-01-30 | 엘지전자 주식회사 | Refrigerator |
| KR101968563B1 (en) | 2011-07-15 | 2019-08-20 | 엘지전자 주식회사 | Ice maker |
| CN106500454B (en) * | 2016-10-26 | 2019-06-04 | 合肥美的电冰箱有限公司 | Aobvious control board assembly and refrigeration equipment |
-
2002
- 2002-01-29 CN CN 02100787 patent/CN1213273C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1435663A (en) | 2003-08-13 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20100108 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100108 Address after: Yingbin Road 2, Taizhou Economic Development Zone Patentee after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Lake Road Patentee before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050803 Termination date: 20140129 |