CN1840995A - Refrigerator with automatically openable door - Google Patents
Refrigerator with automatically openable door Download PDFInfo
- Publication number
- CN1840995A CN1840995A CN 200510033973 CN200510033973A CN1840995A CN 1840995 A CN1840995 A CN 1840995A CN 200510033973 CN200510033973 CN 200510033973 CN 200510033973 A CN200510033973 A CN 200510033973A CN 1840995 A CN1840995 A CN 1840995A
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- refrigerator
- door
- electromagnet
- backstay
- automatically openable
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Abstract
The invention discloses an automatic opening refrigerator, which comprises the following parts: door bulk (1), box and main control board, wherein the switch (2) is set on the door bulk, which connects the main control board; the electric-magnet is set in the door frame of box, which contains an electric-magnet coil of inner iron core; the spring slider device is near the electric-magnet coil; when the electric-magnet coil is power on, the magnet produces repulsion magnetic field. The invention can be used in the refrigerator, cooler and disinfecting cupboard widely.
Description
Technical field
The present invention relates to the refrigerator technical field, more particularly, relate to a kind of refrigerator that opens the door automatically.
Background technology
Along with growth in the living standard, the design of refrigerator is rich and varied, and fancy respectively goes out, and provides many functions of providing amenities for the people to people, as has touched and open the door.Make a general survey of domestic refrigerator market, refrigerator all is equipped with various informative handle mostly, need overcome the magnetic force of gasket when opening refrigerator doors, often need use certain strength, causes the vibration of refrigerator sometimes; And when foodstuff storing in refrigerator, when especially just big buying is returned in the supermarket, wish as early as possible food to be put in, reduce and open the door the time, at this time often two hands are taken full thing and can't be opened the door.
Chinese patent on March No. 00228414.6 calendar year 2001 7 disclosed " automatically-controlled door refrigerator ", constitute a gate opener by being contained in the touch-switch on the door and the electromagnetism push rod at casing top, push rod inserts in the solenoid, one end of push rod is provided with armature, back-moving spring and buffering spring, when the solenoid energising, attract the armature of push rod one end that door is pushed open.This utility model has utilized hot-wire coil to produce the principle in magnetic field: the classics experiment oersted experiment in the physics shows that magnetic originates from the motion of electric current or electric charge.Around electromotion straight wire, there is the magnetic field of an annular, is distributed in around the lead.Magnetic induction intensity is relevant with current strength and direction by lead with direction.Electric current is strong more, and magnetic induction intensity is big more, if when the electromotion straight wire coiling formed a long straight spiral winding, the magnetic field concentration that electric current produced is in the central area of spiral winding.The magnetic field that produces in hot-wire coil just drives push rod door is opened the armature generation attraction of push rod one end away from coil, as long as can open the door once bumping touch-switch slightly with finger or joint, and opening the door the time when reducing foodstuff storing.But this automatic opening structure still need overcome the suction of envelope magnetic stripe and refrigerator body frame, needs suitable thrust, and opens the door that vibrations are big, sound sound.If have bottled or canned food on the door body layer frame, then be easy to produce dangerous.
Summary of the invention
The technical problem to be solved in the present invention is, the deficiency at above-mentioned prior art exists provides a kind of refrigerator that opens the door automatically, only needs touch switch, and refrigerator doors is opened automatically, and open the door light and slow, vibration is little.
The technical solution used in the present invention is, construct a kind of refrigerator with automatically openable door, comprise refrigerator door, casing, master control borad, be arranged on the switch on the body, described switch is connected with master control borad, it is characterized in that, doorframe portion at casing is provided with electromagnet, described electromagnet is the solenoid of built-in iron core, be provided with near the electromagnet when coil electricity to eject the spring block device that slide block backs down door, described solenoid when energising, produce with the door body on the door envelope magnetic stripe magnetic field of repelling each other.
In above-mentioned refrigerator with automatically openable door, described spring block device comprises the backstay that spring block 3, restraining spring slide block eject, the reseting spring leaf of backstay, with the armature that the backstay line is connected, described armature is inhaled when solenoid is switched on and is spurred backstay.
In above-mentioned refrigerator with automatically openable door, also comprise pulley, described backstay is connected by the pulley line with armature.
In above-mentioned refrigerator with automatically openable door, be symmetrical arranged a pair of backstay in the left and right sides of spring block 3, described two backstays are connected with the armature line by pulley respectively.
In above-mentioned refrigerator with automatically openable door, described line is a nylon wire.
In above-mentioned refrigerator with automatically openable door, described electromagnet and spring block device are located at the limit of opening the door of casing frame portion.
In above-mentioned refrigerator with automatically openable door, be interval with two electromagnet and spring block device on the limit of opening the door of described casing frame portion.
In above-mentioned refrigerator with automatically openable door, on the casing frame portion both sides adjacent, be respectively equipped with two electromagnet with the limit of opening the door.
Compared with prior art, refrigerator with automatically openable door of the present invention has the following advantages: the soft-touch type function of opening the door automatically uses refrigerator to bring convenience to people, and it is easily easy to open the door, and pushes chamber door open by solenoid actuated spring block device, can reduce vibrations, avoid the bottled food collision in the refrigerator.The elastic potential energy that the spring block device utilizes spring to accumulate, the elastic potential energy of storing up when switch motion is converted to kinetic energy and opens the door.Simultaneously, utilize electromagnet and the characteristic that door seals magnetic stripe magnetic homopolar-repulsion, when refrigerator open, can reduce the attraction of an envelope magnetic stripe, make an envelope magnetic stripe have the effect of one-object-many-purposes refrigerator body.
Description of drawings
Fig. 1 is the door body structure schematic diagram of refrigerator with automatically openable door of the present invention;
Fig. 2 is the casing doorframe portion schematic diagram of refrigerator with automatically openable door of the present invention;
Fig. 3 is the spring block apparatus structure schematic diagram of refrigerator with automatically openable door of the present invention;
Fig. 4 is the slide block structure schematic diagram of spring block device.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.The door envelope magnetic stripe of refrigerator has certain magnetic force, the Men Tiyu casing of refrigerator is fitted tightly, but when opening refrigerator doors, will overcome the suction of an envelope magnetic stripe to the box-frame bound edge, often when opening the door, cause the vibration of refrigerator, if have bottled or canned food on the layer frame, then be easy to the danger of dropping.Soft-touch type opens the door and then can overcome the above problems.Disclosed automatically-controlled door refrigerator utilizes the solenoid energising to produce magnetic force in the prior art, and armature is attracted to push the door open, and impacts shortcoming big, that sound rings but exist to open the door.And the present invention adopts electromagnet and spring block device to realize opening the door automatically, and it is mild reliable to open the door.The present invention increases iron core and makes electromagnet in spiral winding, strengthened with hundred times multiple in the magnetic field that iron core produces after spiral winding is switched on.The electromagnet of being made by energising solenoid and iron core has the advantage that magnetic induction intensity is adjustable, magnetic pole is adjustable, only need change and to change magnetic pole the sense of current, make it to produce a magnetic field force that seals the magnetic stripe polar repulsion with door when switching on, but the secondary spring slide block device is opened door easily to magnet spool.
Referring to Fig. 1, the switch 2 of a push button is set on refrigerator door 1, switch 2 is connected with the refrigerator master control borad, sends enabling signal to the CPU of master control borad, controls the action of opening the door.
Referring to Fig. 2, on the refrigerator body rectangular shaped rim, door hinge be installed with body be connected on one side, one side of the Bian Yumen that opens the door hinge parallels, and places two electromagnet 4 on the limit of opening the door, and electromagnet is made of solenoid and built-in iron core, electromagnet is connected with master control borad, by CPU control energising.On two electromagnet next doors the spring block device is set respectively.
On the adjacent both sides that are connected with the limit of opening the door on the casing rectangular shaped rim, two blocks of electromagnet 4 also are set respectively, electromagnet is imbedded in the casing alveolar layer wall.The coil windings closure of electromagnet 4 is identical, and its magnetic pole is consistent when guaranteeing energising repels each other with a door envelope magnetic stripe, reduces the attraction of an envelope magnetic stripe to casing.Electromagnet disappears in solenoid outage back magnetic, and built-in iron core is the same with the box-frame metal bound edge of casing, by door envelope magnetic stripe suction.Electromagnet evenly distributes on three limits of casing rectangle frame, and its limit, place on the casing is divided into some equal portions.
Referring to Fig. 3, spring block device and electromagnet are placed in the box body, and box body is contained in the sidewall of refrigerator body.A represents this surface towards refrigerator door among the figure, when electromagnet 4 energisings, the backstay 7 that is stuck on the spring block 3 is pulled away from, and slide block ejects.Specifically comprise: the armature 9 on the electromagnet next door, flexible cord connect armature 9 and backstay 7 respectively, and pulley 8 is used to change the direction of flexible cord.Backstay 7 is sleeved in the backstay sleeve pipe 11, and 11 of backstay sleeve pipes utilize sleeve pipe fixed bar 12 to be fixed on the casing.Reseting spring leaf 6 is set on backstay 7.Referring to Fig. 3～4, when the user need open refrigerator doors, by the switch 2 on the Xiamen body 1, switch 2 sent signal to the CPU of master control borad, and the power supply of electromagnet 4 is connected in CPU control.Electromagnet 4 energisings produce the magnetic field of repelling each other with door envelope magnetic stripe, have overcome a part of envelope magnetic force.Simultaneously, electromagnet 4 attracts an end of armature 9, makes armature 9 along fulcrum 10 rotations, and the other end of armature 9 drives flexible cord downwards, and flexible cord is pulled outwardly backstay 7 by pulley 8, makes backstay 7 be pulled away from spring block screens 15 (referring to Fig. 4).The spring 13 of spring block 3 inside is removed pressured state, and elastic potential energy is converted to kinetic energy, and slide block ejects along positioning slide 14, and refrigerator doors is backed down.
When flexible cord was pulled away from backstay, reseting spring leaf 6 was drawn thereupon, and when the electromagnet outage, when magnetic force disappeared, reseting spring leaf 6 made backstay press to spring block 3, and armature 9 is pulled to original state.At closing time, spring block pressurized, spring 13 and slide block oppositely move, and the bar that is positioned when spring block screens 15 moves through backstay 7 blocks.
The size of electromagnet 4 is mainly according to the concrete width of the tank surface steel plate bound edge of refrigerator and decide.Electromagnet is contained in the below of casing steel plate bound edge, and its end face sticks to the one side of steel plate bound edge towards the door body.The spring of spring block inside and the length of slide block can according to circumstances be adjusted, and make slide block the door body can be opened to certain angle at At time of eject, and can overcome an effect of body suction assisting device.
Claims (8)
1, a kind of refrigerator with automatically openable door, comprise refrigerator door (1), casing, master control borad is arranged on the switch (2) on the body, described switch (2) is connected with master control borad, it is characterized in that in the doorframe portion of casing electromagnet is set, described electromagnet is the solenoid of built-in iron core, be provided with near the electromagnet when coil electricity and eject the spring block device that slide block backs down door, described solenoid when energising, produce with the door body on the door envelope magnetic stripe magnetic field of repelling each other.
2, refrigerator with automatically openable door according to claim 1, it is characterized in that, described spring block device comprises the backstay (7) that spring block (3), restraining spring slide block eject, the reseting spring leaf of backstay (6), the armature (9) that is connected with the backstay line, described armature (9) are inhaled when solenoid is switched on and are spurred backstay (7).
3, refrigerator with automatically openable door according to claim 2 is characterized in that, also comprises pulley (8), and described backstay (7) is connected by pulley (8) line with armature (9).
4, refrigerator with automatically openable door according to claim 3 is characterized in that, is symmetrical arranged a pair of backstay (7) in the left and right sides of spring block (3), and described two backstays are connected with armature (9) line by pulley (8) respectively.
5, refrigerator with automatically openable door according to claim 4 is characterized in that, described line is a nylon wire.
6, according to claim 1 or 2 or 3 or 4 or 5 described refrigerator with automatically openable door, it is characterized in that described electromagnet and spring block device are located at the limit of opening the door of casing frame portion.
7, refrigerator with automatically openable door according to claim 6 is characterized in that, is interval with two electromagnet and spring block device on the limit of opening the door of described casing frame portion.
8. refrigerator with automatically openable door according to claim 7 is characterized in that, is respectively equipped with two electromagnet on the casing frame portion both sides adjacent with the limit of opening the door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100339736A CN100357682C (en) | 2005-03-31 | 2005-03-31 | Refrigerator with automatically openable door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100339736A CN100357682C (en) | 2005-03-31 | 2005-03-31 | Refrigerator with automatically openable door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1840995A true CN1840995A (en) | 2006-10-04 |
| CN100357682C CN100357682C (en) | 2007-12-26 |
Family
ID=37030118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100339736A Expired - Fee Related CN100357682C (en) | 2005-03-31 | 2005-03-31 | Refrigerator with automatically openable door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100357682C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778094A (en) * | 2007-08-24 | 2012-11-14 | 株式会社东芝 | Refrigerator |
| CN107397516A (en) * | 2017-07-31 | 2017-11-28 | 宁波欧琳厨具有限公司 | The opening structure of Novel trough-type dish-washing machine |
| CN108548369A (en) * | 2018-04-04 | 2018-09-18 | 安徽安缆模具有限公司 | A kind of control device that achievable refrigerator non-resistance opens the door with automatic tightening shutdown |
| CN111964330A (en) * | 2020-08-20 | 2020-11-20 | 赵萍 | Refrigerator capable of being opened easily and preventing air leakage |
| CN112665290A (en) * | 2021-01-15 | 2021-04-16 | 长虹美菱股份有限公司 | Fixing and locking device for refrigerator door body |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116574C (en) * | 1999-01-07 | 2003-07-30 | 海尔集团公司 | Electromagnetic pneumatic damping opening device for electric refrigerator |
| CN2448804Y (en) * | 2000-09-13 | 2001-09-19 | 武文明 | Return powder humidifying ash discharging machine |
| JP2003121062A (en) * | 2001-10-05 | 2003-04-23 | Toshiba Corp | Door opening device for refrigerator |
| KR20040067203A (en) * | 2003-01-22 | 2004-07-30 | 엘지전자 주식회사 | Door opening system by using electric magnet |
| CN2786510Y (en) * | 2005-03-31 | 2006-06-07 | 广东科龙电器股份有限公司 | Refrigerator with automatically openable door |
-
2005
- 2005-03-31 CN CNB2005100339736A patent/CN100357682C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778094A (en) * | 2007-08-24 | 2012-11-14 | 株式会社东芝 | Refrigerator |
| CN102778094B (en) * | 2007-08-24 | 2014-08-20 | 株式会社东芝 | Refrigerator |
| CN107397516A (en) * | 2017-07-31 | 2017-11-28 | 宁波欧琳厨具有限公司 | The opening structure of Novel trough-type dish-washing machine |
| CN108548369A (en) * | 2018-04-04 | 2018-09-18 | 安徽安缆模具有限公司 | A kind of control device that achievable refrigerator non-resistance opens the door with automatic tightening shutdown |
| CN111964330A (en) * | 2020-08-20 | 2020-11-20 | 赵萍 | Refrigerator capable of being opened easily and preventing air leakage |
| CN112665290A (en) * | 2021-01-15 | 2021-04-16 | 长虹美菱股份有限公司 | Fixing and locking device for refrigerator door body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100357682C (en) | 2007-12-26 |
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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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 Termination date: 20130331 |