CN201975278U - Refrigerator door switch, refrigerator door switch circuit and refrigerator - Google Patents
Refrigerator door switch, refrigerator door switch circuit and refrigerator Download PDFInfo
- Publication number
- CN201975278U CN201975278U CN2011200430247U CN201120043024U CN201975278U CN 201975278 U CN201975278 U CN 201975278U CN 2011200430247 U CN2011200430247 U CN 2011200430247U CN 201120043024 U CN201120043024 U CN 201120043024U CN 201975278 U CN201975278 U CN 201975278U
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Abstract
The utility model discloses a refrigerator door switch, and aims at providing a refrigerator door switch with a simple structure and lower cost. The refrigerator door switch comprises a button which is pressed down with the closing of a refrigerator door and stays in the normal state with the opening of the refrigerator door. The refrigerator door switch further comprises a first switch for controlling feedback information of the refrigerator door state, and a second switch for controlling an illuminating lamp in a refrigerator; when the button is pressed down, the first switch is closed and the second switch is disconnected; and when the button stays in the normal state, the first switch is disconnected, and the second switch is closed. The utility model further discloses a refrigerator door switch circuit and a refrigerator. The door switch provided by the utility model can be used in various refrigerators.
Description
Technical field
The utility model relates to refrigerator, especially relates to the door switch of refrigerator and the door switch circuit of refrigerator.
Background technology
But refrigerator all is provided with the door switch of a switch refrigerator intraoral illumination lamp usually, but applicant Lejin Electronic and Electric Appliance Co Ltd (Tianjin) in the application number of on June 6th, 2002 application be 02120949.9, denomination of invention is that refrigerator door switch has disclosed a kind of switch refrigerator intraoral illumination lamp and can prevent the door switch of switch electric leakage.But the door switch of this patent application does not have the warning function of not closing the door, and in order to prevent the user in using the process of refrigerator, closes the door tight or forgets and close the door, and all need the tight warning function of not closing the door or close the door be set usually.But current refrigerator only is provided with a button 911 usually usually and is subjected to the switch 912 that described button 911 controls are closed or disconnect on refrigerator door open-close 91, as shown in Figure 4.Switch 912 has splicing ear COM and terminal NC, and when refrigerator doors was opened, button 911 was in the normal state, switch 912 closures, i.e. short circuit between terminal COM and the terminal NC is when refrigerator doors is closed, button 911 is depressed, and switch 912 disconnects, and promptly opens circuit between terminal COM and the terminal NC.
In order current refrigerator to be had do not close the door or Men Wei closes the refrigerator of warning function tight, adopt usually at case inner bag edge tongue tube is installed, a door courage edge adds the method for burying permanent magnet, realizes the transmission of door switch signal.Though this mode can realize not closing the door or Men Wei closes warning function tight,, there is following shortcoming:
⑴ the bad control of the assembly technology of, permanent magnet and tongue tube, workman's operation has deviation slightly, then is difficult to realize the transmission of signal;
, for the contradiction of the transmission that solves assembling bad and signal, often strengthen the size of permanent magnet, increased product cost;
⑶, the inner bag that installs tongue tube additional are different with isometric common inner bag, and mould can not be general.
As seen, existing have do not close the door or refrigerator that Men Wei closes warning function tight complex structure not only, and cost is higher.
The utility model content
The utility model has and does not close the door or refrigerator that Men Wei closes warning function tight complex structure not only in order to solve prior art, and the cost technical problems of high, and a kind of refrigerator door open-close, refrigerator door open-close circuit and refrigerator are provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is a kind of refrigerator door open-close of design, comprise that one closed depresses, opens and the button that is in the normal state with refrigerator doors with refrigerator doors, described refrigerator door open-close also comprises a second switch that is used to control first switch of refrigerator doors state feedback information and is used to control refrigerator intraoral illumination lamp, and during described button down, described first switch closure, second switch disconnect, when described button was in the normal state, described first switch disconnected, the second switch closure.
The utility model also provides a kind of refrigerator door open-close circuit, comprise a refrigerator door open-close, described refrigerator door open-close comprises that one closed depresses, opens and the button that is in the normal state with refrigerator doors with refrigerator doors, described refrigerator door open-close also comprises a second switch that is used to control first switch of refrigerator doors state feedback information and is used to control refrigerator intraoral illumination lamp, and during described button down, described first switch closure, second switch disconnect, when described button was in the normal state, described first switch disconnected, the second switch closure.
Described refrigerator door open-close circuit also comprises a lighting lamp circuit, state-feedback circuit and a MCU who is connected with described door state-feedback circuit, described first switch is connected in the described door state-feedback circuit, described second switch is connected in the described lighting lamp circuit, and during described button down, the conducting of door state-feedback circuit, lighting lamp circuit disconnect, when described button was in the normal state, the door state-feedback circuit disconnected, the lighting lamp circuit conducting; Described MCU is according to the conducting of door state-feedback circuit or disconnect to user feedback refrigerator doors state information.
The utility model also provides a kind of refrigerator, comprise a refrigerator door open-close, described refrigerator door open-close comprises that one closed depresses, opens and the button that is in the normal state with refrigerator doors with refrigerator doors, described refrigerator door open-close also comprises a second switch that is used to control first switch of refrigerator doors state feedback information and is used to control refrigerator intraoral illumination lamp, and during described button down, described first switch closure, second switch disconnect, when described button was in the normal state, described first switch disconnected, the second switch closure.
Described refrigerator also comprises a lighting lamp circuit, state-feedback circuit and a MCU who is connected with described door state-feedback circuit, described first switch is connected in the described door state-feedback circuit, described second switch is connected in the described lighting lamp circuit, and during described button down, the conducting of door state-feedback circuit, lighting lamp circuit disconnect, when described button was in the normal state, the door state-feedback circuit disconnected, the lighting lamp circuit conducting; Described MCU is according to the conducting of door state-feedback circuit or disconnect to user feedback refrigerator doors state information.
The utility model is by being provided with two groups of independently first switch and second switches on refrigerator door open-close, and when button down, first switch closure, second switch disconnect, when button is in the normal state, first switch disconnects, the second switch closure, judges the refrigerator doors state by the break-make of first switch.Thereby traditional tongue tube and permanent magnet can be set, make production technology simple, it is easier to assemble; The door switch overall dimension size and the common door switch commonly used that adopt simultaneously are in full accord, can realize that mould such as case courage is shared, provide cost savings greatly and material; And, do not have common port because the two independent switch is contained in door switch inside, and can one road forceful electric power, one road weak electric signal does not disturb mutually.Therefore, the refrigerator that uses the utility model door switch to make is not only simple in structure but also cost is lower.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is elaborated, wherein:
Fig. 1 is the structural representation of the utility model refrigerator door open-close;
Fig. 2 is the fundamental diagram of the utility model refrigerator door open-close circuit;
Fig. 3 is an embodiment schematic diagram of the utility model refrigerator circuit;
Fig. 4 is the structural representation of prior art refrigerator door open-close.
Embodiment
See also Fig. 1.The utility model refrigerator door open-close 5 comprises button 51, first switch 52 and second switch 53.Wherein, button 51 closed is depressed, is opened and be in the normal state with refrigerator doors with refrigerator doors.First switch 52 is used to control the refrigerator doors state feedback information, and second switch 53 is used to control refrigerator intraoral illumination lamp.When refrigerator doors was closed, button 51 was depressed, described first switch closure, i.e. short circuit between the terminal 1 of first switch and the terminal 2, and second switch disconnects, and promptly opens circuit between the terminal 3 of second switch and the terminal 4, thereby the circuit turn-on that first switch is connected, the circuit that second switch connects disconnects.When refrigerator doors was opened, button 51 was in the normal state, and first switch disconnects, the second switch closure promptly opens circuit between the terminal 1 of first switch and the terminal 2, short circuit between the terminal 3 of second switch and the terminal 4, thereby the circuit that first switch is connected disconnects, the circuit turn-on that second switch connects.These door switch overall dimensions are identical with the common door switch that general refrigerator adopts, because built-in two groups of switches fully independently, therefore assemble the refrigerator of this door switch, an available way switch is used to control the break-make of refrigerator cold-storage room lighting lamp, and is used to feed back the signal of states such as refrigerator doors is opened, refrigerator doors pass with another way switch.This specific embodiment is judged the refrigerator doors state by the closed or disconnection of first switch.
See also Fig. 2.The utility model refrigerator door open-close circuit comprises refrigerator door open-close, a lighting lamp circuit, state-feedback circuit and a MCU who is connected with described door state-feedback circuit, refrigerator door open-close comprises button, first switch and second switch, described first switch is connected in the described door state-feedback circuit, and described second switch is connected in the described lighting lamp circuit.When described button down, first switch closure, second switch disconnects, thereby a state-feedback circuit conducting, lighting lamp circuit are disconnected.When described button was in the normal state, first switch disconnected, the second switch closure, and a state-feedback circuit disconnects, the lighting lamp circuit conducting thereby make.MCU is according to the conducting of door state-feedback circuit or disconnect to user feedback refrigerator doors state information.When the user opened refrigerator doors, first switch disconnected, the second switch closure, and the door state-feedback circuit disconnects, and the lighting lamp circuit conducting feeds back signal to MCU, and MCU is according to predefined program, the information of having opened to the user feedback refrigerator doors; When the user at closing time, first switch closure, second switch disconnect, the conducting of door state-feedback circuit, lighting lamp circuit disconnects, and feeds back signal to MCU, MCU is according to predefined program, the information of having closed to the user feedback refrigerator doors; After the user opens the door, at this moment, in the program Preset Time, the user is overtime not to close the door, first switch does not feed back and closes gate signal and give MCU, and MCU does not receive first switch closure signals in Preset Time, is judged to be then that the user is overtime not to close the door, MCU gives the alarm according to pre-set programs, reminds the user in time to close the door.
See also Fig. 3.Present embodiment has disclosed an embodiment schematic diagram of the utility model refrigerator circuit.This circuit is made of refrigerator door open-close 5, illuminating lamp 60, thermostat 61, plug 62, display module 63, compensating switch 64, compensating heater 65, protector 66, electric capacity 67, starter 68, compressor 69.Be provided with the MCU that is used for the decision gate state in the display module.Identical among the principle of refrigerator door open-close and Fig. 2, therefore repeat no more.
The utility model door switch is used for the mechanical type refrigerator, can improve the science and technology sense and the product competitiveness of mechanical type refrigerator.Can be used for electronic type refrigerator, substitute traditional tongue tube and permanent magnet, can save cost, technology, the assembling simpler.The overall dimensions of the common door switch that the utility model door switch and refrigerator are used are identical, can realize the generalization of isometric case courage, can a shared mold, save product development cost.
The utility model compared with prior art has following advantage:
⑴, no longer need traditional tongue tube and permanent magnet, make production technology simple, it is easier to assemble;
⑵ door switch overall dimension size and common door switch commonly used that, the utility model adopt are in full accord, can realize that mould such as case courage is shared, provide cost savings greatly and material;
⑶ the two independent switch is contained in, this door switch inside, does not have common port, can one road forceful electric power, and one road weak electric signal does not disturb mutually.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. refrigerator door open-close, comprise that one closed depresses, opens and the button that is in the normal state with refrigerator doors with refrigerator doors, it is characterized in that: described refrigerator door open-close also comprises a second switch that is used to control first switch of refrigerator doors state feedback information and is used to control refrigerator intraoral illumination lamp, and during described button down, described first switch closure, second switch disconnect, when described button was in the normal state, described first switch disconnected, the second switch closure.
2. refrigerator door open-close circuit, comprise a refrigerator door open-close, described refrigerator door open-close comprises that one closed depresses, opens and the button that is in the normal state with refrigerator doors with refrigerator doors, it is characterized in that: described refrigerator door open-close also comprises a second switch that is used to control first switch of refrigerator doors state feedback information and is used to control refrigerator intraoral illumination lamp, and during described button down, described first switch closure, second switch disconnect, when described button was in the normal state, described first switch disconnected, the second switch closure.
3. refrigerator door open-close circuit according to claim 2, it is characterized in that: described refrigerator door open-close circuit also comprises a lighting lamp circuit, state-feedback circuit and a MCU who is connected with described door state-feedback circuit, described first switch is connected in the described door state-feedback circuit, described second switch is connected in the described lighting lamp circuit, and during described button down, the conducting of door state-feedback circuit, lighting lamp circuit disconnect, when described button was in the normal state, the door state-feedback circuit disconnected, the lighting lamp circuit conducting; Described MCU is according to the conducting of door state-feedback circuit or disconnect to user feedback refrigerator doors state information.
4. refrigerator, comprise a refrigerator door open-close, described refrigerator door open-close comprises that one closed depresses, opens and the button that is in the normal state with refrigerator doors with refrigerator doors, it is characterized in that: described refrigerator door open-close also comprises a second switch that is used to control first switch of refrigerator doors state feedback information and is used to control refrigerator intraoral illumination lamp, and during described button down, described first switch closure, second switch disconnect, and when described button was in the normal state, described first switch disconnected, the second switch closure.
5. refrigerator according to claim 4, it is characterized in that: described refrigerator also comprises a lighting lamp circuit, state-feedback circuit and a MCU who is connected with described door state-feedback circuit, described first switch is connected in the described door state-feedback circuit, described second switch is connected in the described lighting lamp circuit, and during described button down, the conducting of door state-feedback circuit, lighting lamp circuit disconnect, and when described button was in the normal state, the door state-feedback circuit disconnected, the lighting lamp circuit conducting; Described MCU is according to the conducting of door state-feedback circuit or disconnect to user feedback refrigerator doors state information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200430247U CN201975278U (en) | 2011-02-21 | 2011-02-21 | Refrigerator door switch, refrigerator door switch circuit and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200430247U CN201975278U (en) | 2011-02-21 | 2011-02-21 | Refrigerator door switch, refrigerator door switch circuit and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975278U true CN201975278U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200430247U Expired - Fee Related CN201975278U (en) | 2011-02-21 | 2011-02-21 | Refrigerator door switch, refrigerator door switch circuit and refrigerator |
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| CN (1) | CN201975278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834252A (en) * | 2021-09-06 | 2021-12-24 | 澳柯玛股份有限公司 | Automatic door opening and closing control method for low-temperature refrigerator |
-
2011
- 2011-02-21 CN CN2011200430247U patent/CN201975278U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834252A (en) * | 2021-09-06 | 2021-12-24 | 澳柯玛股份有限公司 | Automatic door opening and closing control method for low-temperature refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING SKYWORTH ELECTRICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN SKYWORTH ELECTRICAL TECHNOLOGY CO., LTD. Effective date: 20120307 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 211299 NANJING, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120307 Address after: 211299 Lishui Economic Development Zone, Jiangsu, Nanjing Patentee after: Nanjing Skyworth Electrical Appliance Technology Co.,Ltd. Address before: 518000, Guangdong province Shenzhen Baoan District Shiyan street Tong Tong Road No. 1 SKYWORTH science and Technology Industrial Park flat factory (two floor) Patentee before: SHENZHEN CHUANGWEI ELECTRONIC APPLIANCE TECH CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20170221 |