CN104896866A - Detection limiting structure of refrigeration device air door, refrigerator and refrigeration device - Google Patents
Detection limiting structure of refrigeration device air door, refrigerator and refrigeration device Download PDFInfo
- Publication number
- CN104896866A CN104896866A CN201510292723.8A CN201510292723A CN104896866A CN 104896866 A CN104896866 A CN 104896866A CN 201510292723 A CN201510292723 A CN 201510292723A CN 104896866 A CN104896866 A CN 104896866A
- Authority
- CN
- China
- Prior art keywords
- air door
- switch
- main control
- control chip
- mechanical switch
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
Abstract
The invention discloses a detection limiting structure of a refrigeration device air door, a refrigerator and a refrigeration device, which relate to the technical field of refrigeration devices and are invented in order to solve the problems in the prior art that air door state signals cannot be fed back to a main control chip and temperature inside a compartment can hardly be controlled due to non-tight closing of an air door. The detection limiting structure of the refrigeration device air door provided by the invention comprises a supporting base, the air door, a driving device and a main control chip, wherein an air hole is disposed in the supporting base, the air door is disposed at the air hole, and the driving device is used to drive rotation of the air door; and the detection limiting structure also comprises a closing position detection switch, wherein the closing position detection switch is a mechanical switch, the mechanical switch is connected to the main control chip, the mechanical switch is equipped with a limiting part, the air door can extrude an acting face of the mechanical switch with the rotation of the air door towards a closing position, the air door can trigger the mechanical switch when the air door is completely closed, the mechanical switch can then send a first feedback signal to the main control chip and the air door is locked by a limiting part. The detection limiting structure of the refrigeration device air door provided by the invention is used to distribute refrigerating capacity to compartments.
Description
Technical field
The present invention relates to cold storage plant technical field, particularly relate to a kind of detectability bit architecture of cold storage plant air door, refrigerator and cold storage plant.
Background technology
Air door is electronic load important in cold storage plant, carries out cold distribution for giving each room.When an indoor temperature is higher than design temperature, drive unit drives air door to open, and the cold that evaporimeter is produced enters this room by air door, thus the temperature making this indoor reduces; When an indoor temperature is lower than design temperature, drive unit drives air door to cut out, and the cold that evaporimeter is produced stops entering this room, thus the temperature preventing this indoor is too low.
Air door of the prior art when closing completely without any feedback signal, when air door break down can not close completely time, cannot by throttle condition signal feedback to main control chip, to carry out fault restoration or process, difficult control of temperature indoor between causing.In addition, after drive unit drives air door to cut out completely, drive unit stops, under the impetus driving reaction force and flowing cold, air door can turn an angle to the direction of opening, air door is not closed completely reality, cold can continue to enter corresponding between room, difficult control of temperature indoor between also causing.
Summary of the invention
Embodiments of the invention provide a kind of detectability bit architecture of cold storage plant air door, refrigerator and cold storage plant, can solve in prior art when air door break down can not close completely time, cannot by throttle condition signal feedback to main control chip, to carry out fault restoration or process, and air door is not closed completely the problem of difficult control of temperature indoor between real causing.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of detectability bit architecture of cold storage plant air door, comprise supporting seat, air door, drive unit and main control chip, described supporting seat is provided with air port, described air port place is provided with described air door, described drive unit rotates for driving described air door to open or close described air port, also comprise closed position sense switch, described closed position sense switch is mechanical switch, described mechanical switch is connected with described main control chip, described mechanical switch has limiting section, along with described air door is to the rotation of closed position, described air door can extrude the acting surface of described mechanical switch, when described air door is closed completely, described air door can trigger described mechanical switch, described mechanical switch is made to send the first feedback signal to described main control chip, described air door can be locked by described limiting section simultaneously.
The detectability bit architecture of the cold storage plant air door that the embodiment of the present invention provides, owing to arranging closed position sense switch, when air door is closed completely, closed position sense switch can send the first feedback signal to main control chip, therefore, when air door break down can not close completely time, closed position sense switch then can not send the first feedback signal, main control chip can learn that air door breaks down, thus restarted by drive unit or adjust the modes such as heater duty and carry out fault and independently repair and process, when damper faults cannot independently be repaired, then by display board display damper faults code, technical staff is facilitated to keep in repair cold storage plant, and then the problem of indoor difficult control of temperature occurs between avoiding, in addition, because closed position sense switch is mechanical switch, and mechanical switch has limiting section, when air door is closed completely, air door can be locked by limiting section, prevent air door from rotating to the direction of opening, ensure that air door is positioned at buttoned-up status, thus avoid because of air door be not closed completely cause between the unmanageable problem of indoor temperature occur.
The embodiment of the present invention additionally provides a kind of refrigerator, comprises the detectability bit architecture of above-mentioned cold storage plant air door.
The refrigerator that the embodiment of the present invention provides, owing to arranging closed position sense switch, when air door is closed completely, closed position sense switch can send the first feedback signal to main control chip, therefore, when air door break down can not close completely time, closed position sense switch then can not send the first feedback signal, main control chip can learn that air door breaks down, thus restarted by drive unit or adjust the modes such as heater duty and carry out fault and independently repair and process, when damper faults cannot independently be repaired, then by display board display damper faults code, technical staff is facilitated to keep in repair refrigerator, and then the problem of indoor difficult control of temperature occurs between avoiding, in addition, because closed position sense switch is mechanical switch, and mechanical switch has limiting section, when air door is closed completely, air door can be locked by limiting section, prevent air door from rotating to the direction of opening, ensure that air door is positioned at buttoned-up status, thus avoid because of air door be not closed completely cause between the unmanageable problem of indoor temperature occur.
The embodiment of the present invention additionally provides a kind of cold storage plant, comprises the detectability bit architecture of above-mentioned cold storage plant air door.
The cold storage plant that the embodiment of the present invention provides, owing to arranging closed position sense switch, when air door is closed completely, closed position sense switch can send the first feedback signal to main control chip, therefore, when air door break down can not close completely time, closed position sense switch then can not send the first feedback signal, main control chip can learn that air door breaks down, thus restarted by drive unit or adjust the modes such as heater duty and carry out fault and independently repair and process, when damper faults cannot independently be repaired, then by display board display damper faults code, technical staff is facilitated to keep in repair cold storage plant, and then the problem of indoor difficult control of temperature occurs between avoiding, in addition, because closed position sense switch is mechanical switch, and mechanical switch has limiting section, when air door is closed completely, air door can be locked by limiting section, prevent air door from rotating to the direction of opening, ensure that air door is positioned at buttoned-up status, thus avoid because of air door be not closed completely cause between the unmanageable problem of indoor temperature occur.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is schematic diagram when air door is opened in the detectability bit architecture of embodiment of the present invention cold storage plant air door;
Fig. 2 is schematic diagram when air door is closed in the detectability bit architecture of embodiment of the present invention cold storage plant air door;
Fig. 3 is the schematic diagram of limiting section in the detectability bit architecture of embodiment of the present invention cold storage plant air door;
Fig. 4 is the schematic diagram that the detectability bit architecture protrusions of embodiment of the present invention cold storage plant air door and groove cooperatively interact;
Fig. 5 is the schematic diagram of magnetic part and the mutual adhesive of the first adsorption piece in the detectability bit architecture of embodiment of the present invention cold storage plant air door.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.
Dividing plate is provided with in the inner bag of the cold storage plants such as wind cooling refrigerator, the space surrounded by inner bag by dividing plate is divided into the back of refrigerating chamber and refrigerating chamber refrigerating chamber to be provided with evaporimeter storehouse, evaporimeter storehouse is communicated with by freezing air channel with refrigerating chamber, the back of refrigerating chamber is provided with refrigeration air channel, refrigeration air channel is communicated with refrigerating chamber, be communicated with by blast pipe between refrigeration air channel and freezing air channel, cold distribution is carried out in order to give each room, air door can be set in corresponding air channel, such as, air door can be set in the exit of blast pipe, air door is connected with drive unit, evaporimeter and fan is provided with in evaporimeter storehouse, the cold that evaporimeter produces can be delivered to refrigerating chamber by freezing air channel by fan, be delivered to air door place by blast pipe simultaneously, when the temperature in refrigerating chamber is higher than turn-on temperature, drive unit drives air door to open, the cold in blast pipe is made to flow to refrigeration air channel by air door, and then flow to refrigerating chamber and freeze, when the temperature in refrigerating chamber is lower than shutdown temperature, drive unit drives air door to cut out, and makes the cold in blast pipe stop flowing to refrigeration air channel, makes refrigerating chamber stop refrigeration.
Fig. 1 and Fig. 2 is a specific embodiment of the detectability bit architecture of embodiment of the present invention cold storage plant air door, the detectability bit architecture of the cold storage plant air door in the present embodiment, comprise supporting seat 1, air door 2, drive unit (not shown) and main control chip (not shown), supporting seat 1 is provided with air port 11, air port 11 place is provided with air door 2, described drive unit opens or closes air port 11 for driving air door 2 to rotate, also comprise closed position sense switch 3 and stopping means 4, closed position sense switch 3 is connected with described main control chip, along with air door 2 is to the rotation of closed position, air door 2 can gradually near closed position sense switch 3, when air door 2 is closed completely, air door 2 can trigger closed position sense switch 3, closed position sense switch 3 is made to send the first feedback signal to described main control chip, air door 2 can be locked by stopping means 4 simultaneously.
The detectability bit architecture of the cold storage plant air door that the embodiment of the present invention provides, owing to arranging closed position sense switch 3, when air door 2 is closed completely, closed position sense switch 3 can send the first feedback signal to main control chip, therefore, when air door 2 break down can not close completely time, closed position sense switch 3 can not send the first feedback signal, main control chip can learn that air door 2 breaks down, thus restarted by drive unit or adjust the modes such as heater duty and carry out fault and independently repair and process, when air door 2 fault cannot independently be repaired, then by display board display air door 2 failure code, technical staff is facilitated to keep in repair cold storage plant, and then the problem of indoor difficult control of temperature occurs between avoiding, in addition, owing to arranging stopping means 4, when air door 2 is closed completely, air door 2 can be locked by stopping means 4, prevent air door 2 from rotating to the direction of opening, ensure that air door 2 is positioned at buttoned-up status, thus avoid because of air door 2 be not closed completely cause between the unmanageable problem of indoor temperature occur.
Whether breaking down to detect air door, also can adopt electric current testing, concrete, current value in drive unit running is gathered, and contrasts with preset value, when air door breaks down, the current value collected does not mate with preset value, then represent that air door breaks down.Because air door is operated in low temperature environment, air door there will be frosting or icing situation, now, the load change of air door makes greatly the electric current in drive unit running also increase, the current value collected also can not mate with preset value, represent that air door breaks down, and in fact air door does not break down, namely electric current testing easily produces misjudgment phenomenon.The detectability bit architecture of the cold storage plant air door in the embodiment of the present invention, the first feedback signal can be sent when air door is closed completely, then the first feedback signal can not be sent when air door breaks down and can not close completely, namely represent that air door breaks down, compare electric current testing, the detectability bit architecture of the cold storage plant air door that the embodiment of the present invention provides can not produce misjudgment phenomenon because of frosting or the factor such as to freeze, thus improves the accuracy of detection.
With reference to Fig. 1, the supporting seat 1 in above-described embodiment comprises rectangular recess 12, and the bottom surface of rectangular recess 12 is provided with air port 11, and air door 2 and rectangular recess 12 are rotationally connected, and the turning cylinder 21 of air door 2 as shown in Figure 2.Closed position sense switch 3 can be arranged at rectangular recess 12 sidewall vertical with turning cylinder 21, as shown in Figures 1 and 2, closed position sense switch 3 also can be arranged at rectangular recess 12 parallel with turning cylinder 21 and away from turning cylinder 21 sidewall or be arranged at the bottom surface of rectangular recess 12
In an embodiment of the present invention, with reference to Fig. 1, closed position sense switch 3 is mechanical switch, namely the mode of machinery touching is adopted to change the switch of the break-make of its internal circuit, along with air door 2 is to the rotation of closed position, air door 2 can gradually near and extrude the acting surface of described mechanical switch, when air door 2 is closed completely, air door 2 can trigger described mechanical switch, makes described mechanical switch send described first feedback signal to described main control chip.When air door 2 is opened by needs, drive unit drives air door 2 to rotate to open position, and along with air door 2 is to the rotation of open position, air door 2 is separated with the acting surface of described mechanical switch gradually.Owing to described mechanical switch could be triggered when the acting surface of described mechanical switch to be expressed to certain position by air door 2, thus improve the accuracy of detection, and the price of mechanical switch is lower, and the manufacturing cost of the detectability bit architecture of cold storage plant air door is reduced.
In another embodiment of the invention, with reference to Fig. 2, closed position sense switch 3 is inductive switch, along with air door 2 is to the rotation of closed position, air door 2 can gradually near the induction zone of described inductive switch, when air door 2 is closed completely, air door 2 can enter the induction zone of described inductive switch and trigger described inductive switch, makes described inductive switch send described first feedback signal to described main control chip.When air door 2 is opened by needs, under the effect of drive unit, air door 2 can gradually away from the induction zone of inductive switch.
Concrete, inductive switch can be magnetic induction switch, such as Hall switch, now, air door is provided with magnetic part, along with air door is to the rotation of closed position, magnetic part on air door can gradually near the induction zone of Hall switch, when air door is closed completely, the magnetic part on air door can enter the induction zone of Hall switch and trigger Hall switch, makes Hall switch send described first feedback signal to described main control chip.Hall switch has contactless, low-power consumption, long life, response frequency high, thus improve the service life of the detectability bit architecture of cold storage plant air door, in addition, when air door is closed completely, Hall switch can sense magnetic part fast, and send described first feedback signal to main control chip fast, thus improve the sensitivity of detection.
Inductive switch also can be photoelectric sensor switch, along with air door is to the rotation of closed position, air door can gradually near the induction zone of photoelectric sensor switch, when air door is closed completely, air door can enter the induction zone of photoelectric sensor switch and the light sent by photoelectric sensor switch reflects back, photoelectric device in photoelectric sensor switch is received, thus triggers photoelectric sensor switch.Photoelectric sensor switch is fast response time not only, and less by the restriction of object materials, and not only can detect magnetic bodies, can also detect glass, plastics, the object of the materials such as woodwork, detection range is wider.
With reference to Fig. 2, stopping means 4 in the embodiment of the present invention comprises the first locating part 41 be arranged on supporting seat 1 and the second locating part 42 be arranged on air door 2, when air door 2 is in complete closed position, the first locating part 41 and the second locating part 42 can cooperatively interact and lock air door 2.
In an embodiment of the present invention, the first locating part 41 is groove, and the second locating part 42 is protruding, and when air door 2 is in complete closed position, described projection can engage with described groove, thus locking air door 2; When air door 2 is opened by needs, under the effect of drive unit, projection can skid off in groove.By groove and protruding engaging, air door 2 is locked, prevent air door 2 from rotating to the direction that air door 2 is opened under the impetus of flowing cold, ensure that air door 2 is positioned at buttoned-up status, thus avoid because of air door 2 be not closed completely cause between the unmanageable problem of indoor temperature occur.
In addition, when the first locating part 41 is groove, the second locating part 42 also can be the door limit of air door 2, and when air door 2 is in complete closed position, the Men Bianke of air door 2 engages with groove, thus locking air door 2.
Conveniently projection skids off in groove, the bottom land of described groove is connected by cambered surface with notch, along with air door 2 is to the rotation of closed position, air door 2 can drive projection to slide in groove gradually along cambered surface, when air door 2 is closed completely, projection slides in groove, engage with groove, thus air door 2 is locked, when drive unit drives air door 2 to rotate to open position, projection can skid off in groove along cambered surface, and it is more level and smooth that the setting due to cambered surface makes the bottom land of groove be connected with notch, thus facilitates and protrudingly to skid off in groove.
For ensureing when air door 2 is closed completely, projection can along cambered surface slide into grooves, supporting seat 1 in the present embodiment is provided with the gathering sill be connected with described cambered surface, thus, along with air door 2 is to the rotation of closed position, projection can enter gathering sill from the entrance of gathering sill, and slide to cambered surface along gathering sill, and then slide into grooves, thus ensure that when air door is closed completely, projection can along cambered surface slide into grooves.
When air door is closed completely, in order to ensure protruding and groove engaging, when air door is opened, conveniently projection skids off in groove along cambered surface, in the present embodiment, air door 2 is provided with blind hole, protruding one end is located in blind hole, and be connected by elastic component with the bottom of blind hole, the protruding other end is inconsistent with supporting seat 1 under the elastic force effect of elastic component, along with air door 2 is to the rotation of closed position, projection can gradually near groove, when air door 2 is closed completely, projection can stretch in groove under the elastic force effect of elastic component, thus engages with groove.When needs air door is opened, under the effect of drive unit, air door 2 rotates to open position, when projection slides to cambered surface, projection can extrude elastic component, and slides along the hole wall of blind hole to blind via bottom direction, thus make elastic component produce deformation, and then facilitate and protruding to skid off in groove along cambered surface.
In another embodiment of the invention, the first locating part 41 is the first adsorption piece, and the second locating part 42 is the second adsorption piece, and when air door 2 is in complete closed position, described first adsorption piece and the mutual adhesive of described second adsorption piece are to lock air door 2; When air door 2 is opened by needs, under the effect of drive unit, the attraction that air door 2 overcomes between the first adsorption piece and the second adsorption piece is rotated to open position.By the first adsorption piece and the mutual adhesive of described second adsorption piece, air door 2 is locked, prevent air door 2 from rotating to the direction that air door 2 is opened under the impetus of flowing cold, ensure that air door 2 is positioned at buttoned-up status, thus avoid because of air door 2 be not closed completely cause between the problem of indoor difficult control of temperature occur.
The first above-mentioned adsorption piece can be magnet, and also can be the electromagnet formed after being wound around hot-wire coil by iron core, described second adsorption piece be by being made by the material of magnet or electromagnet magnetic absorption; Or described first adsorption piece is by being made by the material of magnet or electromagnet magnetic absorption, described second adsorption piece is magnet, also can be the electromagnet formed after being wound around hot-wire coil by iron core, when air door is closed completely, can by the material of magnet or electromagnet magnetic absorption and magnet or the mutual adhesive of electromagnet, thus locking air door.
Conveniently air door 2 rotates to open position, when the first adsorption piece is by when can be made by the material of magnet or electromagnet magnetic absorption, second adsorption piece is preferably electromagnet, and when the second adsorption piece is by when can be made by the material of magnet or electromagnet magnetic absorption, the first adsorption piece is preferably electromagnet.Now with the first adsorption piece by being made by the material of magnet or electromagnet magnetic absorption, second adsorption piece is that electromagnet is specifically set forth: in the process that air door 2 rotates to closed position, electromagnet power-off, when air door 2 is closed completely, produce attraction between first adsorption piece and electromagnet, air door 2 is locked by electromagnet and the mutual adhesive of the first adsorption piece; When air door 2 is opened by needs, electromagnet is energized, make electromagnet identical with the polarity of the first adsorption piece near one end of the first adsorption piece, thus make to produce repulsive force between the first adsorption piece and electromagnet, under the acting in conjunction of drive unit, air door 2 can leave the induction zone of magnetic induction switch, rotates to open position.In the process that air door 2 is opened, by being energized to electromagnet, make the attraction between the first adsorption piece and electromagnet change repulsive force into, this repulsive force facilitates the rotation of air door 2 to open position.
When air door is closed completely, also other position limiting structures can be adopted to be locked by air door, such as, sucker can be set on supporting seat, sucker connects vacuum generator, along with air door is to the rotation of closed position, air door can be fitted with the adsorption plane of sucker, now, described vacuum generator can extract the gas between the adsorption plane of sucker and damper surface out, make to produce vacuum between the adsorption plane of sucker and damper surface, thus make air door by sucker suction, air door is locked, when needs air door is opened, vacuum generator can be inflated between the adsorption plane of sucker and damper surface, Vacuum solutions between the adsorption plane of described sucker and damper surface is removed, under the acting in conjunction of drive unit, air door rotates to open position gradually.By sucker and air door mutual adhesive, air door is locked, prevent air door from rotating to the direction that air door is opened under the impetus of flowing cold, ensure that air door is positioned at buttoned-up status, thus avoid because of air door be not closed completely cause between the problem of indoor difficult control of temperature occur.
Whether open completely to detect air door, see figures.1.and.2, the detectability bit architecture of the cold storage plant air door that the embodiment of the present invention provides, also comprise open position sense switch 5, open position sense switch 5 is connected with described main control chip, along with air door 2 is to the rotation of open position, air door 2 can gradually near open position sense switch 5, when air door 2 is opened completely, air door 2 can trigger open position sense switch 5, open position sense switch 5 is made to send the second feedback signal to described main control chip, thus, when air door 2 break down can not open completely time, open position sense switch 5 can not send the second feedback signal, main control chip can learn that air door breaks down, thus restarted by drive unit or adjust heater duty and carry out fault and independently repair and process, when damper faults cannot independently be repaired, then by display board display damper faults code, technical staff is facilitated to keep in repair cold storage plant, the problem of difficult control of temperature indoor between avoiding occurs.
Open position sense switch 5 can be arranged at rectangular recess 12 sidewall vertical with turning cylinder 21, also rectangular recess 12 can be arranged at parallel with turning cylinder 21 and near the sidewall of turning cylinder 21, rectangular recess 12 sidewall vertical with turning cylinder 21 is located at for open position sense switch 5 shown in Fig. 1 with Fig. 2, when air door 2 is opened completely, air door 2 can trigger the open position sense switch 5 be located on rectangular recess 12.
In an embodiment of the present invention, with reference to Fig. 1, open position sense switch 5 is mechanical switch, namely the mode of machinery touching is adopted to change the switch of the break-make of its internal circuit, along with air door 2 is to the rotation of open position, air door 2 can the acting surface of extrusion machinery switch, when air door 2 is opened completely, air door 2 can Crush trigger switch, makes described mechanical switch send described second feedback signal to described main control chip; Along with air door 2 is to the rotation of closed position, air door 2 can be separated with the acting surface of mechanical switch, due to could Crush trigger switch when the acting surface of mechanical switch to be expressed to certain position by air door 2, thus improve the accuracy of detection, in addition, the price of mechanical switch is lower, thus reduces the manufacturing cost of the detectability bit architecture of cold storage plant air door.
In another embodiment of the invention, with reference to Fig. 2, open position sense switch 5 is inductive switch, along with air door 2 is to the rotation of open position, air door 2 can gradually near the induction zone of inductive switch, when air door 2 is opened completely, air door 2 can enter the induction zone of described inductive switch and trigger described inductive switch, described inductive switch is made to send described second feedback signal to described main control chip, when air door 2 is closed by needs, under the effect of drive unit, air door 2 can gradually away from the induction zone of inductive switch.
Concrete, inductive switch can be magnetic induction switch, such as Hall switch, now, air door is provided with magnetic part, along with air door is to the rotation of open position, magnetic part on air door can gradually near the induction zone of Hall switch, when air door is opened completely, the magnetic part on air door can enter the induction zone of Hall switch and trigger Hall switch, makes Hall switch send described second feedback signal to described main control chip.Hall switch has contactless, low-power consumption, long life, response frequency high, thus improve the service life of the detectability bit architecture of cold storage plant air door, in addition, when air door is opened completely, Hall switch can sense magnetic part fast, and send described second feedback signal to main control chip fast, thus improve the sensitivity of detection.
Inductive switch also can be photoelectric sensor switch, along with air door is to the rotation of open position, air door can gradually near the induction zone of photoelectric sensor switch, when air door is opened completely, air door can enter the induction zone of photoelectric sensor switch and the light sent by photoelectric sensor switch reflects back, photoelectric device in photoelectric sensor switch is received, thus triggers photoelectric sensor switch.Photoelectric sensor switch is fast response time not only, and less by the restriction of object materials, and not only can detect magnetic bodies, can also detect glass, plastics, the object of the materials such as woodwork, detection range is wider.
Further, drive unit is direct current generator, and the moment of torsion of direct current generator is large, and price is low, not only achieves the rapidly opened and closed of air door, also reduces the manufacturing cost of the detectability bit architecture of cold storage plant air door.
In addition, drive unit also can be stepper motor, the step angle of stepper motor is not by the impact of voltage, electric current and temperature etc., therefore, when stepper motor is according to the action of demand step number, drive air door close or when opening, the angular error that air door turns over is very little, and this error not long term accumulation, thus ensure that, when stepper motor stops, air door has been opened completely or closed completely.
For ensureing that air door 2 can be opened completely or close completely, described main control chip is connected with described drive unit, described main control chip can receive described first feedback signal that closed position sense switch 3 sends and described second feedback signal that open position sense switch 5 sends, and controls described drive unit and close.When needs air door 2 is opened, main control chip accessory drive is opened, and makes drive unit drive air door 2 to rotate to open position, when air door 2 is opened completely, open position sense switch 5 sends described second feedback signal to main control chip, and main control chip accessory drive is closed; When needs air door 2 is closed, main control chip accessory drive is opened, and makes drive unit drive air door 2 to rotate to closed position, when air door 2 is closed completely, closed position sense switch 3 sends described first feedback signal to main control chip, and main control chip accessory drive is closed.
Due to when open position sense switch 5 detects that air door 2 is opened completely, open position sense switch 5 sends the second feedback signal to main control chip, main control chip accessory drive is closed, when closed position sense switch 3 detects that air door 2 is closed completely, closed position sense switch 3 sends the first feedback signal to main control chip, main control chip accessory drive is closed, thus avoid air door 2 open completely or closedown completely front driving device close, and then prevent air door 2 from closing cold that the evaporimeter that causes not in place produces is by after between air door 2 and supporting seat 1, gap enters a room, the problem of difficult control of temperature indoor between causing.
The detectability bit architecture of the cold storage plant air door that the embodiment of the present invention provides, there are detection and spacing two kinds of functions, and these two kinds of functions also can produce interlock effect under some specific structure, thus the object of saving parts or making structure can be reached, illustrate below by way of two embodiments:
Embodiment one:
With reference to Fig. 1 and Fig. 3, the detectability bit architecture of the cold storage plant air door in the present embodiment, comprise supporting seat 1, air door 2, drive unit (not shown) and main control chip (not shown), supporting seat 1 is provided with air port 11, air port 11 place is provided with air door 2, described drive unit opens or closes air port 11 for driving air door 2 to rotate, also comprise closed position sense switch 3, closed position sense switch 3 is mechanical switch, namely the mode of machinery touching is adopted to change the switch of the break-make of its internal circuit, described mechanical switch is connected with described main control chip, described mechanical switch has limiting section 31, along with air door 2 is to the rotation of closed position, air door 2 can extrude the acting surface of described mechanical switch, when air door 2 is closed completely, air door 2 can trigger described mechanical switch, described mechanical switch is made to send the first feedback signal to described main control chip, air door 2 can be locked by limiting section 31 simultaneously.
The detectability bit architecture of the cold storage plant air door that the embodiment of the present invention provides, owing to arranging closed position sense switch 3, when air door 2 is closed completely, closed position sense switch 3 can send the first feedback signal to main control chip, therefore, when air door 2 break down can not close completely time, closed position sense switch 3 can not send the first feedback signal, main control chip can learn that air door 2 breaks down, thus restarted by drive unit or adjust the modes such as heater duty and carry out fault and independently repair and process, when damper faults cannot independently be repaired, then by display board display damper faults code, technical staff is facilitated to keep in repair cold storage plant, and then the problem of indoor difficult control of temperature occurs between avoiding, in addition, because closed position sense switch 3 is mechanical switch, and mechanical switch has limiting section 31, when air door 2 is closed completely, air door 2 can be locked by limiting section 31, prevent air door 2 from rotating to the direction of opening, ensure that air door 2 is positioned at buttoned-up status, thus avoid because of air door be not closed completely cause between the unmanageable problem of indoor temperature occur.
The limiting section implementation of mechanical switch has following two kinds:
Implementation one: above-mentioned mechanical switch can be rocker switch, described limiting section 31 is the acting surface of described rocker switch, along with described air door is to the rotation of closed position, described air door can extrude the acting surface of described rocker switch one end, when described air door is closed completely, the acting surface of described rocker switch one end is depressed, thus trigger described rocker switch, described rocker switch is made to send described first feedback signal to described main control chip, the acting surface of the described rocker switch other end tilts simultaneously, thus withstand the rear surface of air door, described air door is locked, when the rear surface of air door described here is air door closedown, parallel with the plane at place, air port and away from the plane in described air port on air door.The special construction that this structure make use of rocker switch realizes spacing to air door, and scheme is simple and be easy to realize.
Implementation two: with reference to Fig. 4, limiting section 31 can for being arranged at the groove on described mechanical switch acting surface, now, air door 2 is provided with protruding 22, and along with air door 2 is to the rotation of closed position, air door 2 is by the acting surface of protruding 22 extrusion machinery switches, when air door 2 is closed completely, protruding 22 can trigger described mechanical switch, make described mechanical switch send described first feedback signal to described main control chip, and air door 2 is locked by projection 22 and groove fit clamping simultaneously.By the cooperation clamping of protruding 22 and groove, air door 2 is locked, prevent air door 2 from rotating to the direction that air door is opened under the impetus of flowing cold, ensure that air door 2 is positioned at buttoned-up status, thus avoid because of air door be not closed completely cause between the unmanageable problem of indoor temperature occur.When air door 2 is opened by needs, drive unit drives air door 2 to rotate to open position, makes protruding 22 to skid off in groove, and then is separated with mechanical switch.
Contrary, limiting section also can be protruding, now, air door is provided with groove, along with air door is to the rotation of closed position, air door can extrude the projection on described mechanical switch, and then extrude described mechanical switch, when described air door is closed completely, air door can trigger described mechanical switch, make described mechanical switch send described first feedback signal to described main control chip, air door is locked by protruding and groove fit clamping simultaneously.
With reference to Fig. 4, conveniently protruding 22 skid off in groove, the bottom land of described groove is connected by cambered surface 32 with notch, along with air door 2 is to the rotation of closed position, air door 2 is by the acting surface of protruding 22 extrusion machinery switches, and slide in groove along cambered surface 32 gradually, when air door 2 is closed completely, protruding 22 slide in groove, with groove fit clamping, thus air door 2 is locked, when drive unit drives air door 2 to rotate to open position, protruding 22 can skid off in groove along cambered surface 32, it is more level and smooth that setting due to cambered surface 32 makes the bottom land of groove be connected with notch, thus facilitate and protruding to skid off in groove.
With reference to Fig. 4, for ensureing when air door 2 is closed completely, protruding 22 can along cambered surface 32 slide into grooves, and the acting surface of the mechanical switch in the present embodiment is provided with the gathering sill 33 be connected with cambered surface 32, thus, along with air door 2 is to the rotation of air door closed position, protruding 22 can enter gathering sill 33 from the entrance of gathering sill 33, and slide to cambered surface 32 along gathering sill 33, and then slide into grooves, thus ensure that when air door 2 is closed completely, protruding 22 can along cambered surface 32 slide into grooves.
When needs air door 2 is opened, with reference to Fig. 4, conveniently protruding 22 skid off in groove along cambered surface 32, in the present embodiment, air door 2 is provided with blind hole 23, one end of protruding 22 is located in blind hole 23, and be connected by elastic component 24 with the bottom of blind hole 23, under the effect of drive unit, air door 2 rotates to open position, when protruding 22 slide in cambered surface 32, protruding 22 can extrude elastic component 24, and slide along the hole wall of blind hole 23 to blind hole 23 bottom direction, thus make elastic component 24 produce deformation, and then facilitate protruding 22 and skid off in groove along cambered surface 32.
Embodiment two:
With reference to Fig. 1, Fig. 2 and Fig. 5, the detectability bit architecture of the cold storage plant air door in the present embodiment, comprise supporting seat 1, air door 2, drive unit (not shown) and main control chip (not shown), supporting seat 1 is provided with air port 11, air port 11 place is provided with air door 2, drive unit opens or closes air port 11 for driving air door 2 to rotate, also comprise closed position sense switch 3 and magnetic part 421, closed position sense switch 3 is magnetic induction switch, described magnetic induction switch is connected with described main control chip, magnetic part 421 is located on air door 2, supporting seat 1 comprise can with the first adsorption piece 411 of magnetic part 421 magnetic absorption, along with air door 2 is to the rotation of closed position, magnetic part 421 can gradually near the induction zone of described magnetic induction switch, when air door 2 is closed completely, magnetic part 421 can enter the induction zone of described magnetic induction switch, described magnetic induction switch is made to send the first feedback signal to described main control chip, air door 2 is locked by magnetic part 421 and the mutual adhesive of the first adsorption piece 411 simultaneously.
The detectability bit architecture of the cold storage plant air door that the embodiment of the present invention provides, owing to arranging closed position sense switch 3, when air door 2 is closed completely, closed position sense switch 3 can send the first feedback signal to main control chip, therefore, when air door 2 break down can not close completely time, closed position sense switch 3 can not send the first feedback signal, main control chip can learn that air door 2 breaks down, thus restarted by drive unit or adjust the modes such as heater duty and carry out fault and independently repair and process, when air door 2 fault cannot independently be repaired, then by display board display air door 2 failure code, technical staff is facilitated to keep in repair cold storage plant, and then the problem of indoor difficult control of temperature occurs between avoiding, in addition, when air door 2 is closed completely, air door 2 is locked by magnetic part 421 and the first adsorption piece 411 mutually adhesive, can prevent air door 2 from rotating to the direction of opening, ensure that air door 2 is positioned at buttoned-up status, thus avoid because of air door 2 be not closed completely cause between the unmanageable problem of indoor temperature occur.When air door 2 is opened by needs, under the effect of drive unit, the attraction that air door 2 overcomes between magnetic part 421 and the first adsorption piece 411 is rotated to open position, can gradually away from the induction zone of magnetic induction switch.
Above-mentioned magnetic part 421 can be magnet, also can be the electromagnet formed after being wound around hot-wire coil by iron core.
The embodiment of the present invention additionally provides a kind of control method of the detectability bit architecture for above-mentioned cold storage plant air door, and when magnetic part 421 is electromagnet, described method comprises:
When needs air door 2 is closed, main control chip receives air door shutdown signal, main control chip accessory drive is opened, drive unit is made to drive air door 2 to rotate to closed position, described electromagnet energising simultaneously, along with described air door 2 is to the rotation of closed position, electromagnet can gradually near the induction zone of described magnetic induction switch, when described air door is closed completely, electromagnet can enter the induction zone of described magnetic induction switch, described magnetic induction switch is made to send the first feedback signal to described main control chip, air door 2 is locked by electromagnet and the mutual adhesive of the first adsorption piece 411 simultaneously.
When needs air door 2 is opened, when needs air door is opened, said method is further comprising the steps of:
Main control chip receives air door opening signal, and described main control chip controls electromagnet power-off, and the attraction between electromagnet and the first adsorption piece 411 is eliminated, and described main control chip controls described drive unit drive air door 2 and rotates to open position simultaneously.
In the process that said method is opened at air door 2, by giving electromagnet power-off, the attraction between electromagnet and the first adsorption piece 411 is eliminated, thus facilitate the rotation of drive unit driving air door 2 to open position.
The first above-mentioned adsorption piece 411 can be electromagnet.
The embodiment of the present invention additionally provides a kind of control method of the detectability bit architecture for above-mentioned cold storage plant air door, and described method comprises:
The original state of described electromagnet is off-position, when needs air door 2 is closed, main control chip receives air door shutdown signal, main control chip accessory drive is opened, drive unit is made to drive air door to rotate to closed position, along with described air door is to the rotation of closed position, magnetic part 421 can gradually near the induction zone of described magnetic induction switch, when described air door is closed completely, magnetic part 421 can enter the induction zone of described magnetic induction switch, described magnetic induction switch is made to send the first feedback signal to described main control chip, magnetic part 421 can attract the iron core of described electromagnet, air door 2 is locked by the iron core of described electromagnet and the mutual adhesive of magnetic part 421.
When needs air door is opened, said method is further comprising the steps of:
Main control chip receives air door opening signal, described main control chip controls described electromagnet and is energized a period of time, make the electromagnet after energising identical with the polarity of magnetic part near one end of magnetic part, thus make to produce repulsive force between magnetic part and electromagnet, simultaneously described main control chip controls described drive unit and drives described air door to rotate to open position.
It should be noted that, in order to avoid the electromagnet after energising has an impact to magnetic induction switch, the time that above-mentioned main control chip controls the energising of described electromagnet is set in advance by program in main control chip, within this time period, the magnetic that inductive switch senses, but do not send signal, in addition, in order to avoid the electromagnet after energising has an impact to magnetic induction switch, electromagnet can also be located at outside the induction range of inductive switch.
In the process that said method is opened at air door 2, by electromagnet energising, make the attraction between magnetic part 421 and electromagnet change repulsive force into, this repulsive force facilitates the rotation of air door 2 to open position.
When the first adsorption piece 411 is electromagnet, can also control by the following method:
Main control chip receives air door shutdown signal, main control chip accessory drive is opened, drive unit is made to drive air door to rotate to closed position, described electromagnet is in off-position, when described air door is closed completely, described magnetic part can enter the induction zone of described magnetic induction switch, described magnetic induction switch is made to send the first feedback signal to described main control chip, described main control chip controls the electric current of described electromagnetism Tie Tong first direction after receiving described first feedback signal, make electromagnet and the mutual adhesive of described magnetic part.
When needs air door is opened, said method is further comprising the steps of:
Main control chip receives air door opening signal, described main control chip controls electric current a period of time of described electromagnetism Tie Tong second direction, the electric current of described second direction is contrary with the sense of current of described first direction, and simultaneously described main control chip controls described drive unit and drives described air door to rotate to open position.
In another kind of implementation, when needs air door is opened, said method can also be realized by following steps:
Main control chip receives air door opening signal, and described main control chip controls described electromagnet power-off, and simultaneously described main control chip controls described drive unit and drives described air door to rotate to open position.
Embodiments of the invention additionally provide a kind of control method of detectability bit architecture of cold storage plant air door, described method comprises: when needs air door 2 is opened, main control chip accessory drive is opened, drive unit is made to drive air door 2 to rotate to open position, when air door 2 is opened completely, open position sense switch sends described second feedback signal to main control chip, and main control chip accessory drive is closed; When needs air door 2 is closed, main control chip accessory drive is opened, and makes drive unit drive air door 2 to rotate to closed position, when air door 2 is closed completely, closed position sense switch 3 sends described first feedback signal to main control chip, and main control chip accessory drive is closed.
The control method of the detectability bit architecture of the cold storage plant air door that the embodiment of the present invention provides, when open position sense switch 5 detects that air door 2 is opened completely, open position sense switch 5 sends the second feedback signal to main control chip, main control chip accessory drive is closed, when closed position sense switch 3 detects that air door 2 is closed completely, closed position sense switch 3 sends the first feedback signal to main control chip, main control chip accessory drive is closed, thus avoid air door 2 open completely or closedown completely front driving device close, and then prevent air door 2 from closing cold that the evaporimeter that causes not in place produces is by after between air door 2 and supporting seat 1, gap enters a room, the problem of difficult control of temperature indoor between causing.
The embodiment of the present invention additionally provides a kind of refrigerator, comprises the detectability bit architecture of the cold storage plant air door in above-mentioned any embodiment.
The refrigerator that the embodiment of the present invention provides, owing to arranging closed position sense switch 3, when air door 2 is closed completely, closed position sense switch 3 can send the first feedback signal to main control chip, therefore, when air door 2 break down can not close completely time, closed position sense switch 3 can not send the first feedback signal, main control chip can learn that air door 2 breaks down, thus restarted by drive unit or adjust the modes such as heater duty and carry out fault and independently repair and process, when air door 2 fault cannot independently be repaired, then by display board display air door 2 failure code, technical staff is facilitated to keep in repair refrigerator, and then the problem of indoor difficult control of temperature occurs between avoiding, in addition, owing to arranging stopping means, when air door 2 is closed completely, air door 2 can be locked by stopping means, can prevent air door 2 from rotating to the direction of opening, ensure that air door 2 is positioned at buttoned-up status, thus avoid because of air door 2 be not closed completely cause between the unmanageable problem of indoor temperature occur.
Because the detectability bit architecture of the cold storage plant air door used in the refrigerator of the present embodiment is identical with the detectability bit architecture of the cold storage plant air door provided in the various embodiments described above, therefore the two can solve identical technical problem, and reaches identical Expected Results.
Other formations about the refrigerator of the embodiment of the present invention wait known by those skilled in the art, no longer describe in detail at this.The embodiment of the present invention additionally provides a kind of cold storage plant, comprises the detectability bit architecture of the cold storage plant air door in above-mentioned any embodiment.
The cold storage plant that the embodiment of the present invention provides, owing to arranging closed position sense switch 3, when air door 2 is closed completely, closed position sense switch 3 can send the first feedback signal to main control chip, therefore, when air door 2 break down can not close completely time, closed position sense switch 3 can not send the first feedback signal, main control chip can learn that air door 2 breaks down, thus restarted by drive unit or adjust the modes such as heater duty and carry out fault and independently repair and process, when air door 2 fault cannot independently be repaired, then by display board display air door 2 failure code, technical staff is facilitated to keep in repair cold storage plant, and then the problem of indoor difficult control of temperature occurs between avoiding, in addition, owing to arranging stopping means, when air door 2 is closed completely, air door 2 can be locked by stopping means, can prevent air door 2 from rotating to the direction of opening, ensure that air door 2 is positioned at buttoned-up status, thus avoid because of air door 2 be not closed completely cause between the unmanageable problem of indoor temperature occur.
Because the detectability bit architecture of the cold storage plant air door used in the cold storage plant of the present embodiment is identical with the detectability bit architecture of the cold storage plant air door provided in the various embodiments described above, therefore the two can solve identical technical problem, and reaches identical Expected Results.
Other formations about the cold storage plant of the embodiment of the present invention wait known by those skilled in the art, no longer describe in detail at this.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. the detectability bit architecture of a cold storage plant air door, comprise supporting seat, air door, drive unit and main control chip, described supporting seat is provided with air port, described air port place is provided with described air door, described drive unit rotates for driving described air door to open or close described air port, it is characterized in that, also comprise closed position sense switch, described closed position sense switch is mechanical switch, described mechanical switch is connected with described main control chip, described mechanical switch has limiting section, along with described air door is to the rotation of closed position, described air door can extrude the acting surface of described mechanical switch, when described air door is closed completely, described air door can trigger described mechanical switch, described mechanical switch is made to send the first feedback signal to described main control chip, described air door can be locked by described limiting section simultaneously.
2. the detectability bit architecture of cold storage plant air door according to claim 1, it is characterized in that, described mechanical switch is rocker switch, described limiting section is the acting surface of described rocker switch, along with described air door is to the rotation of closed position, described air door can extrude the acting surface of described rocker switch one end, when described air door is closed completely, the acting surface of described rocker switch one end is depressed, and the acting surface of the other end tilts locks described air door.
3. the detectability bit architecture of cold storage plant air door according to claim 1, it is characterized in that, described limiting section is be arranged at the groove on described mechanical switch acting surface, described air door is provided with projection, along with described air door is to the rotation of closed position, described air door is by the acting surface of the described mechanical switch of described projection extruding, when described air door is closed completely, described projection can trigger described mechanical switch, described mechanical switch is made to send described first feedback signal to described main control chip, described air door is locked by described projection and described groove fit clamping simultaneously.
4. the detectability bit architecture of cold storage plant air door according to claim 3, is characterized in that, the bottom land of described groove is connected by cambered surface with notch, and the acting surface of described mechanical switch is provided with the gathering sill be connected with described cambered surface.
5. the detectability bit architecture of the cold storage plant air door according to claim 3 or 4, is characterized in that, described air door is provided with blind hole, and one end of described projection is located in described blind hole, and is connected by elastic component with the bottom of described blind hole.
6. the detectability bit architecture of cold storage plant air door according to claim 1, it is characterized in that, also comprise open position sense switch, described open position sense switch is connected with described main control chip, when described air door is opened completely, described open position sense switch can send the second feedback signal to described main control chip.
7. the detectability bit architecture of cold storage plant air door according to claim 6, it is characterized in that, described open position sense switch is mechanical switch, along with described air door is to the rotation of open position, described air door can extrude the acting surface of described mechanical switch, when described air door is opened completely, described air door can trigger described mechanical switch, makes described mechanical switch send described second feedback signal to described main control chip.
8. the detectability bit architecture of cold storage plant air door according to claim 6, it is characterized in that, described open position sense switch is inductive switch, along with described air door is to the rotation of open position, described air door can gradually near the induction zone of described inductive switch, when described air door is opened completely, described air door can enter the induction zone of described inductive switch and trigger described inductive switch, makes described inductive switch send described second feedback signal to described main control chip.
9. a refrigerator, is characterized in that, comprises the detectability bit architecture of the cold storage plant air door according to any one of claim 1 ~ 8.
10. a cold storage plant, is characterized in that, comprises the detectability bit architecture of the cold storage plant air door according to any one of claim 1 ~ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292723.8A CN104896866B (en) | 2015-05-29 | 2015-05-29 | A kind of detection position limiting structure, refrigerator and the cold storage plant of cold storage plant air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292723.8A CN104896866B (en) | 2015-05-29 | 2015-05-29 | A kind of detection position limiting structure, refrigerator and the cold storage plant of cold storage plant air door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104896866A true CN104896866A (en) | 2015-09-09 |
| CN104896866B CN104896866B (en) | 2017-08-25 |
Family
ID=54029685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510292723.8A Active CN104896866B (en) | 2015-05-29 | 2015-05-29 | A kind of detection position limiting structure, refrigerator and the cold storage plant of cold storage plant air door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104896866B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091551A (en) * | 2017-03-08 | 2017-08-25 | 青岛海尔特种电冰柜有限公司 | Cold storage air-cooled sleeping cabinet |
| CN107131705A (en) * | 2017-03-08 | 2017-09-05 | 青岛海尔特种电冰柜有限公司 | Horizontal type wind-cooling refrigerator |
| CN107131695A (en) * | 2017-03-08 | 2017-09-05 | 青岛海尔特种电冰柜有限公司 | Air-cooled horizontal counter |
| CN107238244A (en) * | 2017-06-01 | 2017-10-10 | 青岛海尔特种电冰柜有限公司 | Horizontal type wind-cooling refrigerating cabinet |
| CN107314598A (en) * | 2017-06-01 | 2017-11-03 | 青岛海尔特种电冰柜有限公司 | Multi-temperature zone Horizontal type wind-cooling refrigerator |
| CN107314597A (en) * | 2017-06-01 | 2017-11-03 | 青岛海尔特种电冰柜有限公司 | Horizontal type wind-cooling refrigerator with keepalive feature |
| CN107339842A (en) * | 2017-06-01 | 2017-11-10 | 青岛海尔特种电冰柜有限公司 | With air curtain function Horizontal type wind-cooling refrigerator |
| CN109722851A (en) * | 2019-01-23 | 2019-05-07 | 安徽意华电器有限公司 | A kind of roller washing machine using air dampers |
| CN111623584A (en) * | 2020-05-15 | 2020-09-04 | 海信（山东）冰箱有限公司 | Refrigerator air door resetting method and system, refrigerator and related equipment |
| CN112325545A (en) * | 2020-11-27 | 2021-02-05 | 浙江冰盛制冷科技有限公司 | Air door device for refrigerator |
| WO2023005526A1 (en) * | 2021-07-30 | 2023-02-02 | 青岛海尔电冰箱有限公司 | Ventilation door assembly and refrigeration apparatus |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001023815A1 (en) * | 1999-09-28 | 2001-04-05 | Arçelik A.Ş. | Memory element controlled damper |
| CN1637370A (en) * | 2004-01-07 | 2005-07-13 | 三星电子株式会社 | Refrigerator |
| KR20090133023A (en) * | 2008-06-23 | 2009-12-31 | 엘지전자 주식회사 | Refrigerator |
| CN102352711A (en) * | 2011-07-28 | 2012-02-15 | 合肥美的荣事达电冰箱有限公司 | Door closing structure for refrigerator and refrigerator with door closing structure |
| CN202692363U (en) * | 2012-05-04 | 2013-01-23 | Tcl空调器(中山)有限公司 | Air door control device and fresh air integrated air conditioning equipment |
| CN103900342A (en) * | 2014-04-04 | 2014-07-02 | 合肥美的电冰箱有限公司 | Air door closing in-place detecting device and refrigerating plant |
| CN104296459A (en) * | 2014-10-21 | 2015-01-21 | 湖北美的电冰箱有限公司 | Air cooling refrigerator air door component and air cooling refrigerator with same |
| CN104296467A (en) * | 2013-07-17 | 2015-01-21 | 苏州三星电子有限公司 | Door-in-door structure of fridge |
| CN104329862A (en) * | 2014-11-07 | 2015-02-04 | 合肥美的电冰箱有限公司 | Refrigerator ventilation door and electric refrigerator |
-
2015
- 2015-05-29 CN CN201510292723.8A patent/CN104896866B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001023815A1 (en) * | 1999-09-28 | 2001-04-05 | Arçelik A.Ş. | Memory element controlled damper |
| CN1637370A (en) * | 2004-01-07 | 2005-07-13 | 三星电子株式会社 | Refrigerator |
| KR20090133023A (en) * | 2008-06-23 | 2009-12-31 | 엘지전자 주식회사 | Refrigerator |
| CN102352711A (en) * | 2011-07-28 | 2012-02-15 | 合肥美的荣事达电冰箱有限公司 | Door closing structure for refrigerator and refrigerator with door closing structure |
| CN202692363U (en) * | 2012-05-04 | 2013-01-23 | Tcl空调器(中山)有限公司 | Air door control device and fresh air integrated air conditioning equipment |
| CN104296467A (en) * | 2013-07-17 | 2015-01-21 | 苏州三星电子有限公司 | Door-in-door structure of fridge |
| CN103900342A (en) * | 2014-04-04 | 2014-07-02 | 合肥美的电冰箱有限公司 | Air door closing in-place detecting device and refrigerating plant |
| CN104296459A (en) * | 2014-10-21 | 2015-01-21 | 湖北美的电冰箱有限公司 | Air cooling refrigerator air door component and air cooling refrigerator with same |
| CN104329862A (en) * | 2014-11-07 | 2015-02-04 | 合肥美的电冰箱有限公司 | Refrigerator ventilation door and electric refrigerator |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091551A (en) * | 2017-03-08 | 2017-08-25 | 青岛海尔特种电冰柜有限公司 | Cold storage air-cooled sleeping cabinet |
| CN107131705A (en) * | 2017-03-08 | 2017-09-05 | 青岛海尔特种电冰柜有限公司 | Horizontal type wind-cooling refrigerator |
| CN107131695A (en) * | 2017-03-08 | 2017-09-05 | 青岛海尔特种电冰柜有限公司 | Air-cooled horizontal counter |
| CN112577235A (en) * | 2017-03-08 | 2021-03-30 | 青岛海尔特种电冰柜有限公司 | Horizontal air-cooled refrigerator |
| CN112556270A (en) * | 2017-03-08 | 2021-03-26 | 青岛海尔特种电冰柜有限公司 | Air-cooled horizontal cabinet |
| CN107339842A (en) * | 2017-06-01 | 2017-11-10 | 青岛海尔特种电冰柜有限公司 | With air curtain function Horizontal type wind-cooling refrigerator |
| CN107314597A (en) * | 2017-06-01 | 2017-11-03 | 青岛海尔特种电冰柜有限公司 | Horizontal type wind-cooling refrigerator with keepalive feature |
| CN107314598A (en) * | 2017-06-01 | 2017-11-03 | 青岛海尔特种电冰柜有限公司 | Multi-temperature zone Horizontal type wind-cooling refrigerator |
| CN107238244A (en) * | 2017-06-01 | 2017-10-10 | 青岛海尔特种电冰柜有限公司 | Horizontal type wind-cooling refrigerating cabinet |
| CN109722851A (en) * | 2019-01-23 | 2019-05-07 | 安徽意华电器有限公司 | A kind of roller washing machine using air dampers |
| CN111623584A (en) * | 2020-05-15 | 2020-09-04 | 海信（山东）冰箱有限公司 | Refrigerator air door resetting method and system, refrigerator and related equipment |
| CN112325545A (en) * | 2020-11-27 | 2021-02-05 | 浙江冰盛制冷科技有限公司 | Air door device for refrigerator |
| WO2023005526A1 (en) * | 2021-07-30 | 2023-02-02 | 青岛海尔电冰箱有限公司 | Ventilation door assembly and refrigeration apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104896866B (en) | 2017-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104896866A (en) | Detection limiting structure of refrigeration device air door, refrigerator and refrigeration device | |
| CN104879996A (en) | Detecting and limiting structure of air door of refrigeration device | |
| CN101392979B (en) | Door switch counting refrigerator control system and control method for defrosting | |
| CN102519219B (en) | Refrigerator and control method for air door of refrigerator | |
| CN102313394B (en) | Refrigerator and refrigerating system thereof | |
| CN101470965A (en) | Automatic control type traffic light control system | |
| CN104896867A (en) | Detection limiting structure of refrigeration device air door, refrigeration device and control method | |
| AU2016220682B2 (en) | Refrigerator and method for controlling the same | |
| CN102927767A (en) | Refrigerator and control method of microwave oven chamber | |
| CN104329862B (en) | Refrigerator ventilation door and electric refrigerator | |
| CN205373225U (en) | Electronic air door and refrigerator | |
| CN103047831A (en) | Refrigerator | |
| US8545297B2 (en) | Air-flap device for a refrigerator and/or freezer for equipping a kitchen | |
| CN209980791U (en) | Temperature test box | |
| JP2009222307A (en) | Refrigerator | |
| CN102410600B (en) | Refrigerator and moisture-preserving device | |
| CN105805995B (en) | More refrigerators share condensation unit autonomous control system | |
| CN214197472U (en) | Wide accurate control electric actuator of application scope | |
| CN110259355B (en) | Locking system for environmental chamber and environmental chamber | |
| CN204574376U (en) | A kind of air-conditioner control system | |
| CN208590206U (en) | A kind of cold passage cabinet retractable roof system | |
| CN202300086U (en) | Device for opening and closing window type grille of ventilator | |
| CN220355818U (en) | Air door failure of air door failure of device and method for controlling the operation of a device refrigerator with a refrigerator body | |
| CN102980340A (en) | Refrigerating device | |
| CN203037001U (en) | Refrigerating device and temperature control assembly thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |