CN2921731Y - Refrigerator ice box door-opening auxiliary device - Google Patents
Refrigerator ice box door-opening auxiliary device Download PDFInfo
- Publication number
- CN2921731Y CN2921731Y CN 200520115435 CN200520115435U CN2921731Y CN 2921731 Y CN2921731 Y CN 2921731Y CN 200520115435 CN200520115435 CN 200520115435 CN 200520115435 U CN200520115435 U CN 200520115435U CN 2921731 Y CN2921731 Y CN 2921731Y
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- China
- Prior art keywords
- door
- flexible cord
- liftout attachment
- electromagnet
- steel flexible
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- Expired - Lifetime
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Abstract
A refrigerator ice box door-opening auxiliary device belonging to refrigeration equipment technology field is provided to realize automatic opening of the door when consumer puts his/her hand at general door opening position so as to change the condition that opening the door of refrigerator or ice box with ideal performance is often laborsome. The mechanical part of the utility model consists of the following three parts: a liftout attachment assembly, an electromagnet assembly and a steel flexible cord with the liftout attachment assembly and the electromagnet assembly being connected by the steel flexible cord. The utility model is characterized in that: when in use, a sensor converts human body (such as the hand of the person opening the door) signal into electric signal and the electric signal drives the electromagnet to open the door after being simplified and treated; different refrigerators or ice boxes can respectively adopt photoelectricity type sensor or touch type sensor both being uneasy to be found by consumer after being installed; a time-delay circuit can guarantee no automatic opening of the door of refrigerator or ice box within the several seconds after it is closed with the hand of consumer still staying on the door handle.
Description
Technical field
The utility model is a kind of refrigerator ice cabinet door-opening auxiliary, belongs to technical field of refrigeration equipment.
Background technology
Along with the raising of people's living standard, people improve the requirement of refrigerator ice cabinet thereupon.In order to improve reserves, must do refrigerator ice cabinet greatly; In order to increase fresh keeping time, must reduce refrigerated storage temperature; In order to cut down the consumption of energy, must improve sealing property.Yet refrigerated storage temperature is low more, and sealing property is good more, and the air pressure in the refrigerator ice cabinet inner room is just more little, and is just big more with the pressure difference (negative pressure) of atmosphere, if the area of door is bigger, because the resistance that opens the door that negative pressure causes is just bigger.Also will overcome the suction, frictional resistance of magnetic stripe etc. when opening the door, the required power of opening the door is just bigger, for old man and child, opens the door and just feels more painstaking in addition.Up to the present, also there is not the refrigerator ice cabinet door-opening auxiliary on the domestic and international market---the hand that can realize the consumer is put into conventional opening position, and door can be opened automatically.The utility model is the refrigerator ice cabinet door-opening auxiliary that can realize such purpose.
Summary of the invention
The utility model is by two most of compositions, first mechanical part, and it two is electrical control parts.
Mechanical part is made up of liftout attachment assembly 1, electromagnet assembly 2 and steel flexible cord 3 three parts.Liftout attachment assembly 1 and electromagnet assembly 2 are linked by steel flexible cord 3.When the consumer need not open the door, sensor did not produce the signal of telecommunication, and electromagnet assembly 2 is in reset mode, and liftout attachment assembly 1 also is in reset mode, and Men Buhui is backed down.When consumer wants opens the door, when consumer's hand is put into conventional opening position, sensor produces the signal of telecommunication, this signal treated and amplify after, DM action, electromagnet movable core 9 pulling steel flexible cords 3, steel flexible cord 3 is by steel flexible cord pull head 19 pull lever 16, lever 16 promotes roller 14, and roller 14 promotes top 20, and the door of refrigerator ice cabinet is backed down in top 20.
Electrical appliance part is by sensor R
c, five most of compositions such as amplifying circuit, delay circuit, drive circuit, power circuit relatively.The sensor R that the utility model adopts
cTwo kinds of patterns are arranged: electro-optical pickoff or tactile sensor, adopt which kind of sensor to decide on the profile of refrigerator ice cabinet actually, after being installed, these two kinds of sensors can make the consumer be not easy to find the existence of sensor.Relatively amplifying circuit, drive circuit, power circuit of the present utility model adopt known circuit, not necessarily will adopt the circuit shown in the accompanying drawing 4.Delay circuit of the present utility model is by resistance R
1, capacitor C, microswitch S form, microswitch S is connected in parallel on the capacitor C two ends, microswitch S opens circuit when the refrigerator ice cabinet door is closed, microswitch S closure when the refrigerator ice cabinet door is opened, delay circuit with by R
2, D
1, D
2The AND circuit of forming cooperates, and can guarantee in several seconds after the door of refrigerator ice cabinet is shut (set in advance, be generally 2-10 second), and Men Buhui was opened automatically when consumer's hand was trapped in door handle.
The beneficial effects of the utility model are the opening positions that are put into the refrigerator ice cabinet that this device is installed when consumer's hand, and door can be opened automatically, can solve the problem laboriously of opening the door when this device is not installed.
Description of drawings
Accompanying drawing 3 is schematic diagrames of the liftout attachment assembly 1 of the utility model mechanical part.
Accompanying drawing 4 is the utility model electrical schematics.R
cBe resistance sensor, can be touch or photo-electric .S is a microswitch, when the refrigerator ice cabinet door is closed, open circuit closure when the refrigerator ice cabinet door is opened.
Accompanying drawing 5 is tactile sensor of the present utility model installation site example schematic.
Accompanying drawing 6 is photoelectric sensor of the present utility model installation site schematic diagrames for example.
Accompanying drawing 7 is photoelectric sensor of the present utility model installation site two schematic diagrames for example.
The specific embodiment
As shown in Figure 1, mechanical part of the present utility model is made up of liftout attachment assembly 1, electromagnet assembly 2 and steel flexible cord 3 three parts; Liftout attachment assembly 1 and electromagnet assembly 2 are linked by steel flexible cord 3.As shown in Figure 2, the electromagnet of electromagnet assembly 2 part is made up of electromagnet magnet steel and coil 8, movable core 9, support 7, support 10; When switching in the electromagnet coil, movable core 9 moves to right, pulling steel flexible cord 3, steel flexible cord 3 can slide in steel flexible cord outer tube 4, steel flexible cord outer tube 4 is fixed on the support 7 by fixed sleeving 6, spring 5 is arranged in the fixed sleeving 6, the effect of spring 5 is to make steel flexible cord 3 be in tensioning state all the time after installation, eliminate issuable gap, yielding rubber 11 is housed in the support 10, and the effect of yielding rubber 11 is noises that movable core 9 bump supports 10 produce when reducing electromagnetic actuation.As shown in Figure 3, liftout attachment assembly 1 is made up of top 20, liftout attachment shell 12, spring 13, roller 14, liftout attachment shell 15, lever 16, lever shaft 17, the dog 18 of steel flexible cord outer tube 4, steel flexible cord pull head 19; Top 20 and 12 loose fits of liftout attachment shell, the effect of spring 13 is when having the signal input top 20 and electromagnet movable core 9 to be automatically reset, roller 14 can rotate around the axle of himself, and lever 16 can rotate around lever shaft 17, and liftout attachment shell 12 links with liftout attachment shell 15.As shown in Figure 4, electrical appliance part is by sensor R
c, five most of compositions such as amplifying circuit, delay circuit, drive circuit, power circuit relatively.The sensor R that the utility model adopts
cTwo kinds of patterns are arranged: electro-optical pickoff or tactile sensor, adopt which kind of sensor to decide on the profile of refrigerator ice cabinet actually, after being installed, these two kinds of sensors can make the consumer be not easy to find the existence of sensor.Relatively amplifying circuit, drive circuit, power circuit of the present utility model adopt known circuit, not necessarily will adopt the circuit shown in the accompanying drawing 4.Delay circuit of the present utility model is by resistance R
1, capacitor C, microswitch S form, microswitch S opens circuit when the refrigerator ice cabinet door is closed, microswitch S closure when the refrigerator ice cabinet door is opened, delay circuit with by R
2, D
1, D
2The AND circuit of forming cooperates, can guarantee in several seconds after the door of refrigerator ice cabinet is shut (set in advance, be generally 2-10 second), consumer close the door defensive position when being trapped in door handle contact metal film 21 or being trapped in the band of position 26 Men Buhui opened automatically.As shown in Figure 5, sheet metal 21 is installed in the groove handle of usefulness (the be equivalent to open the door) inboard of the usefulness of opening the door of refrigerator doors 22, and sheet metal 21 is connected with the input of control circuit by lead, so sheet metal 21 is exactly the input of tactile sensor.As shown in Figure 6, the transmitting tube of photoelectric sensor and receiving tube 25 are installed in the upper end fixture 24 of refrigerator doors handle 27, and pipe pushes up down, and expose upper end fixture 24; The wiring board 23 of photoelectric sensor also is installed in the fixture 24 of upper end (if can not load in the thermal insulation layer that can be installed in refrigerator doors 22), the band of position 26 of hand when the region representation consumer shown in two arrows opens the door among the figure.As shown in Figure 7, this is a kind of refrigerator of a kind of top cover face 27 greater than the refrigerator level cross-sectionn, it does not have special door handle, a side that pulls door when the consumer opens the door is directly opened the door, the transmitting tube of photoelectric sensor and receiving tube 25 are installed in a jiao of refrigerator top cover face 27, the pipe top down, the wiring board 23 of photoelectric sensor also is installed in a jiao of refrigerator top cover face 27 inside, the pipe top down, and expose refrigerator top cover face 27, the band of position 26 of hand when the region representation consumer shown in two arrows opens the door among the figure.
Following mask body is narrated course of action of the present utility model and operation principle:
When not having the signal input, control circuit is in holding state; When consumer's hand contact metal film 21 or when being put into the band of position 26 of hand when opening the door, sensor is transformed into the signal of telecommunication with human body signal and the signal of telecommunication is passed to the input of control circuit by lead, through comparing amplifying circuit signal is amplified and processing, pass to drive circuit, the action of drive circuit DM, electromagnet movable core 9 pulling steel flexible cords 3, steel flexible cord 3 rotates around lever shaft 17 by steel flexible cord pull head 19 pull lever 16, the other end of lever 16 promotes roller 14, roller 14 promotes top 20, and the door of refrigerator ice cabinet is backed down in top 20.When consumer's hand leaves sheet metal 21 or leave the band of position 26 of hand when opening the door, sensor does not receive human body signal, does not produce the signal of telecommunication, no current in the electromagnet coil, electromagnet movable core 9 loses suction, electromagnet movable core 9 and top 20 spring 13 effect under reset.After the refrigerator ice cabinet door is opened, microswitch S closure. capacitor C is by short circuit, the capacitor C repid discharge, the voltage at capacitor C two ends levels off to zero very soon; After the refrigerator ice cabinet door was shut, microswitch S opened circuit, and capacitor C is passed through R
1Charging, after several seconds (set in advance, be generally 2-10 second), the voltage at capacitor C two ends reaches the operating voltage of setting; Before the voltage at capacitor C two ends does not reach the operating voltage of setting, if consumer's hand contact metal film 21 or be put into the band of position 26 of hand when opening the door, the Men Buhui of refrigerator ice cabinet is opened automatically, so just can guarantee when the consumer close the door defensive position when being trapped in door handle contact metal film 21 or being trapped in the band of position 26 Men Buhui opened automatically.
Claims (6)
1, a kind of refrigerator ice cabinet door-opening auxiliary is characterized in that mechanical part is made up of liftout attachment assembly (1), electromagnet assembly (2) and steel flexible cord (3) three parts; Liftout attachment assembly (1) and electromagnet assembly (2) are linked by steel flexible cord (3), and human body signal produces the signal of telecommunication through sensor (Rc), and this signal of telecommunication amplifies through control circuit handles the action of rear drive electromagnet.
2, refrigerator ice cabinet door-opening auxiliary as claimed in claim 1 is characterized in that liftout attachment assembly (1) is made up of top (20), liftout attachment shell (12), spring (13), roller (14), liftout attachment shell (15), lever (16), lever shaft (17), the dog (18) of steel flexible cord outer tube (4), steel flexible cord pull head (19); Top (20) and liftout attachment shell (12) loose fit, spring (13) can not make top (20) and electromagnet movable core (9) automatically reset when having the signal input, roller (14) can rotate around the axle of himself, lever (16) can rotate around lever shaft (17), and liftout attachment shell (12) links with liftout attachment shell (15).
3, refrigerator ice cabinet door-opening auxiliary as claimed in claim 1 is characterized in that the electromagnet part of electromagnet assembly (2) is made up of electromagnet magnet steel and coil (8), movable core (9), support (7), support (10); Steel flexible cord (3) can slide in steel flexible cord outer tube (4), steel flexible cord outer tube (4) is fixed on the support (7) by fixed sleeving (6), spring (5) is arranged in the fixed sleeving (6), the effect of spring (5) is to make steel flexible cord (3) be in tensioning state all the time after installation, eliminate issuable gap, yielding rubber (11) is housed in the support (10), and the effect of yielding rubber (11) is the noise that movable core when reducing electromagnetic actuation (9) bump support (10) produces.
4, refrigerator ice cabinet door-opening auxiliary as claimed in claim 1 is characterized in that delay circuit is arranged in the control circuit, and delay circuit is by resistance (R
1), electric capacity (C), microswitch (S) forms, microswitch (S) is connected in parallel on electric capacity (C) two ends.
5, refrigerator ice cabinet door-opening auxiliary as claimed in claim 1 is characterized in that when sensor is tactile sensor, and its input is a sheet metal (21), and its shape is identical with the inboard shape of the groove of the usefulness of opening the door of refrigerator doors (22).
6, refrigerator ice cabinet door-opening auxiliary as claimed in claim 1 is characterized in that when sensor is electro-optical pickoff, and photoelectric sensor is made of transmitting tube and receiving tube (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520115435 CN2921731Y (en) | 2005-07-19 | 2005-07-19 | Refrigerator ice box door-opening auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520115435 CN2921731Y (en) | 2005-07-19 | 2005-07-19 | Refrigerator ice box door-opening auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2921731Y true CN2921731Y (en) | 2007-07-11 |
Family
ID=38254211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520115435 Expired - Lifetime CN2921731Y (en) | 2005-07-19 | 2005-07-19 | Refrigerator ice box door-opening auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2921731Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472563A (en) * | 2009-07-28 | 2012-05-23 | Lg电子株式会社 | Refrigerator and method of controlling the same |
| CN102979395A (en) * | 2012-12-10 | 2013-03-20 | 合肥美的荣事达电冰箱有限公司 | Door opener and refrigerator with same |
| US8638224B2 (en) | 2009-07-21 | 2014-01-28 | Lg Electronics Inc. | Refrigerator and method of operating the same |
| CN106546051A (en) * | 2016-10-14 | 2017-03-29 | 青岛海尔股份有限公司 | Refrigerator and its automatic door opening control method |
| WO2017185500A1 (en) * | 2016-04-26 | 2017-11-02 | 合肥海尔电冰箱有限公司 | Refrigerator door body opening method and refrigerator |
| WO2017193451A1 (en) * | 2016-05-10 | 2017-11-16 | 青岛海尔股份有限公司 | Refrigerator and method for opening refrigerator door |
| CN108826811A (en) * | 2018-06-07 | 2018-11-16 | 邵凌云 | A kind of freezer door |
-
2005
- 2005-07-19 CN CN 200520115435 patent/CN2921731Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8638224B2 (en) | 2009-07-21 | 2014-01-28 | Lg Electronics Inc. | Refrigerator and method of operating the same |
| CN102472563A (en) * | 2009-07-28 | 2012-05-23 | Lg电子株式会社 | Refrigerator and method of controlling the same |
| CN104101169A (en) * | 2009-07-28 | 2014-10-15 | Lg电子株式会社 | Refrigerator |
| CN102472563B (en) * | 2009-07-28 | 2014-11-26 | Lg电子株式会社 | Refrigerator and method for controlling same |
| CN102979395A (en) * | 2012-12-10 | 2013-03-20 | 合肥美的荣事达电冰箱有限公司 | Door opener and refrigerator with same |
| CN102979395B (en) * | 2012-12-10 | 2015-12-23 | 合肥美的电冰箱有限公司 | Door opener and the refrigerator with it |
| WO2017185500A1 (en) * | 2016-04-26 | 2017-11-02 | 合肥海尔电冰箱有限公司 | Refrigerator door body opening method and refrigerator |
| WO2017193451A1 (en) * | 2016-05-10 | 2017-11-16 | 青岛海尔股份有限公司 | Refrigerator and method for opening refrigerator door |
| CN106546051A (en) * | 2016-10-14 | 2017-03-29 | 青岛海尔股份有限公司 | Refrigerator and its automatic door opening control method |
| CN106546051B (en) * | 2016-10-14 | 2019-05-31 | 青岛海尔股份有限公司 | Refrigerator and its automatic door opening control method |
| CN108826811A (en) * | 2018-06-07 | 2018-11-16 | 邵凌云 | A kind of freezer door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150719 Granted publication date: 20070711 |
|
| EXPY | Termination of patent right or utility model |