CN103900342A - Air door closing in-place detecting device and refrigerating plant - Google Patents

Air door closing in-place detecting device and refrigerating plant Download PDF

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Publication number
CN103900342A
CN103900342A CN201410136959.8A CN201410136959A CN103900342A CN 103900342 A CN103900342 A CN 103900342A CN 201410136959 A CN201410136959 A CN 201410136959A CN 103900342 A CN103900342 A CN 103900342A
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China
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air door
conductor contact
closed
contact point
resistance
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CN201410136959.8A
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CN103900342B (en
Inventor
符秀亮
孙超
刘富明
祝云飞
张志�
陈鹏
张玉婷
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Hefei Midea Refrigerator Co Ltd
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Hefei Midea Refrigerator Co Ltd
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Abstract

The invention provides an air door closing in-place detecting device and a refrigerating plant. The air door closing in-place detecting device comprises a detecting element, a detecting circuit and a controlling element. The detecting element is mounted on an air door and is used for detecting the air door and determining whether the air door is closed in place or not; the detecting circuit is connected with the detecting element and transmits control signals according to detection results of the detecting element; the controlling element receives the control signals outputted by the detecting circuit and controls actions of the air door according to the received control signals. The air door closing in-place detecting device and the refrigerating plant have the advantages that the air door closing in-place detecting device is provided with the detecting element, the detecting circuit and the controlling element, so that the detection rate of anomaly of the air door can be effectively increased, refrigerating equipment such as a refrigerator can be in the designed allowable optimal working state, and the reliability of a product can be effectively improved.

Description

Air door is closed into level detecting apparatus and refrigerating plant
Technical field
The present invention relates to art of refrigeration units, more specifically, relate to a kind of air door and be closed into level detecting apparatus and contain this air door the refrigerating plant that is closed into level detecting apparatus.
Background technology
Along with the generally use of refrigeration plant, MOD becomes the key components and parts that air-cooled multi-chamber refrigeration control switches, and by the opening and closing of MOD, can reach the different object of each compartment temperature of controlling multi-chamber's refrigeration plant.The MOD that prior art is used, because of design and to be arranged on position in refrigeration plant different with direction, usually because of MOD door body deformability or freeze etc. situation, air door cannot be closed tight, thereby causes the refrigeration abnormal problem of multi-chamber.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For this reason, one object of the present invention is, provides a kind of and can accurately judge that the whether closed air door putting in place of air door is closed into level detecting apparatus.
Another object of the present invention is, a kind of refrigeration plant that has above-mentioned air door and be closed into level detecting apparatus is provided.
For achieving the above object, first aspect present invention embodiment provides a kind of air door to be closed into level detecting apparatus, comprising: detecting element, and described detecting element is arranged on described air door, for detection of described air door, whether closure puts in place described detecting element, and testing result is exported; Testing circuit, described testing circuit is connected with described detecting element, and described testing circuit receives the described testing result of described detecting element output, and sends control signal according to described testing result; And control element, described control element receives the control signal of described testing circuit output, and according to connecing air door action described in described control signal control.
Air door provided by the invention is closed into level detecting apparatus and has detecting element, testing circuit and control element, detecting element is arranged on air door, for detection of air door, whether closure puts in place, and testing result is exported by testing circuit, the control signal that control element receiving test circuit sends, the action of control air door, puts air door closure in place; Specifically, air door is in the time of closed condition, open air door and be closed into level detecting apparatus, in the time that detecting element detects that air door closure puts in place, testing circuit sends the normal control signal of air door to control element, now, control element is not worked, and in the time that detecting element detects that air door is not closed and puts in place, testing circuit sends the abnormal control signal of air door, now, control element control air door again moves to closure and puts in place; The setting of detecting element and testing circuit has improved the abnormal recall rate of air door effectively, makes the optimum Working of the refrigeration plants such as refrigerator in design permission, thereby has effectively promoted the reliability of product.
In addition, the air door providing according to first aspect present invention embodiment is closed into level detecting apparatus and also has following additional technical feature:
According to one embodiment of present invention, described testing circuit comprises: the first resistance, and the first end of described the first resistance is connected with power supply, and the second end is connected with described control element; The second resistance, the first end ground connection of described the second resistance; With the 3rd resistance, the first end of described the 3rd resistance is connected with the second end of described the second resistance, and the second end is connected with described control element, and described detecting element is in parallel with described the 3rd resistance.
According to one embodiment of present invention, described detecting element comprises: at least one conductor contact point group, and described in each, conductor contact point group includes the first conductor contact point and the second conductor contact point; Described the first conductor contact point is arranged on the door limit of door body of described air door, and described the second conductor contact point is arranged on the doorframe of described air door with respect to described the first conductor contact point; When described air door closure puts in place, described the first conductor contact point and described the second conductor contact point are connected to form closed-loop path, make described the 3rd resistance in short-circuit condition.
In the time of Men Tiyu doorframe complete closure, be that air door closure is while putting in place, first conductive contact of the door that is positioned at a body on limit be positioned on doorframe the second conductive contact and join and connect and compose closed-loop path, make described the 3rd resistance in short-circuit condition, change the magnitude of voltage of testing circuit output, the magnitude of voltage that control element changes by reception, whether closure puts in place to judge air door.
According to one embodiment of present invention, described detecting element comprises four conductor contact point groups, described doorframe comprises and connects successively the first rectangular edge, the second edge, the 3rd edge and the 4th edge, and a side and described the 4th edge on described door limit are rotatably connected; On described the second edge, be provided with by lead-in wire two described the second conductor contact points that are connected, another two described the second conductor contact points are separately positioned on described the first edge and described the 3rd edge, and are connected with described the second end with the described first end of described the 3rd resistance respectively; Four described the first conductor contact points are separately positioned on described door limit, and corresponding one by one with four described the second conductor contact points, and be positioned at described door limit adjacent both sides two described in the first conductor contact point be connected by lead-in wire, and be connected two described in the first conductor contact point adjacent.
According to one embodiment of present invention, described lead-in wire is the printed conductor being printed on described air door.
The making of printed conductor is simple and convenient, simplified air door and be closed into the structure of level detecting apparatus, thereby it is simple and convenient to make air door be closed into the processing of level detecting apparatus.
According to one embodiment of present invention, described the first conductor contact point and described the second conductor contact point all adopt plastic foil conductive material to make.
According to one embodiment of present invention, described air door is closed into level detecting apparatus and also comprises: alarm element, and described alarm element is connected with described control element, and described alarm element can send alarm signal while putting in place described air door is not closed.
In the time that air door cannot closure puts in place because of abnormal conditions, there are abnormal conditions in alarm element in time reminding user air door, makes user to find in time and to deal with problems, and further improved the reliability of product.
According to one embodiment of present invention, described alarm element is buzzer or indicator lamp.
Buzzer or indicator lamp all can clearly point out user's air door to occur abnormal conditions, make user to find in time and to deal with problems.
Second aspect present invention embodiment provides a kind of refrigerating plant, comprising: air door, and described air door comprises a body and doorframe, described Men Tike opens or closes and is connected with described doorframe; The air door providing with the arbitrary embodiment of above-mentioned first aspect is closed into level detecting apparatus.
Refrigerating plant provided by the invention comprises that the air door that the arbitrary embodiment of above-mentioned first aspect provides is closed into level detecting apparatus, therefore, the air door that this refrigerating plant has the arbitrary embodiment of above-mentioned first aspect to be provided is closed into whole beneficial effects of level detecting apparatus, does not repeat them here.
According to one embodiment of present invention, described air door is MOD.
Additional aspect of the present invention and advantage will provide in description part below, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is the structural representation that is closed into level detecting apparatus according to the air door described in one embodiment of the invention.
Corresponding relation in Fig. 1 between Reference numeral and component names is:
100 air doors, 10 bodies, 11 first conductor contact points, 20 doorframes, 21 second conductor contact points, 30 lead-in wires, 201 first resistance, 202 second resistance, 203 the 3rd resistance, 300 control elements.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
1 the air door providing according to one embodiment of the invention is provided is closed into level detecting apparatus with reference to the accompanying drawings.
As shown in Figure 1, the air door that one embodiment of the invention provides is closed into level detecting apparatus and comprises: detecting element, testing circuit, control element 300 and alarm element, detecting element is arranged on air door 100, and for detection of air door 100, whether closure puts in place detecting element, and testing result is exported; Testing circuit is connected with detecting element, and testing circuit receives the testing result of detecting element output, and sends control signal according to inspection testing result; The control signal of control element 300 receiving test circuit outputs, and move according to control signal control air door 100; Alarm element is connected with control element 300, and alarm element can send alarm signal while putting in place air door 100 is not closed.
The air door that the present embodiment provides is closed into level detecting apparatus, detecting element is arranged on air door 100, whether closure puts in place for detection of air door 100, and testing result is exported by testing circuit, the control signal that control element 300 receiving test circuits send, control the action of air door 100, put in place to realize air door 100 closures, specifically, air door 100 is in the time of closed condition, open air door and be closed into level detecting apparatus, in the time that detecting element detects that air door 100 closures put in place, testing circuit sends the normal control signal of air door 100 to control element 300, now, control element 300 is not worked, in the time that detecting element detects that air door 100 is not closed and puts in place, testing circuit sends the abnormal control signal of air door 100, now, control element 300 is controlled air door 100 and is again moved to closure and put in place, in the time that air door 100 cannot closure puts in place because of abnormal conditions, there are abnormal conditions in alarm element in time reminding user air door 100, make user to find in time and to deal with problems, thereby improve the reliability of product, the setting of detecting element, testing circuit and alarm element has improved the abnormal recall rate of air door 100 effectively, makes the optimum Working of the refrigeration plants such as refrigerator in design permission, thereby has effectively promoted the reliability of product.
Wherein, alarm element is buzzer or indicator lamp;
Testing circuit comprises: the first end of the first resistance 201, the second resistance 202 and the 3rd resistance 203, the first resistance 201 is connected with power supply, and the second end is connected with control element 300; The first end ground connection of the second resistance 202; The second end of the 3rd resistance 203 and the first end of the 3rd resistance 203 be connected, the second end of the 3rd resistance 203 is connected with control element 300, and detecting element is in parallel with the 3rd resistance 203;
Detecting element comprises: at least one conductor contact point group, and each conductor contact point group includes the first conductor contact point 11 and the second conductor contact point 21; The first conductor contact point 11 is arranged on the door limit of door body 10 of air door 100, and the second conductor contact point 21 is arranged on respect to the first conductor contact point 11 on the doorframe 20 of air door 100; When air door 100 closures put in place, the first conductor contact point 11 and the second conductor contact point 21 are connected to form closed-loop path, make the 3rd resistance 203 in short-circuit condition.
In the time that door body 10 and doorframe 20 closures put in place, first conductive contact of the door that is positioned at a body 10 on limit be positioned on doorframe 20 the second conductive contact and join and connect and compose closed-loop path, make described the 3rd resistance 203 in short-circuit condition, change the magnitude of voltage of testing circuit output, the magnitude of voltage that control element 300 changes by reception, whether closure puts in place to judge air door 100; Buzzer or indicator lamp all can clearly point out user's air door to occur abnormal conditions, make user to find in time and to deal with problems.
Particularly, as shown in Figure 1, detecting element comprises four conductor contact point groups, and doorframe 20 comprises and connect successively the first rectangular edge, the second edge, the 3rd edge and the 4th edge, and a side and the 4th edge on door limit are rotatably connected; On the second edge, be provided with by 30 two the second conductor contact points 21 that are connected that go between, another two the second conductor contact points 21 are separately positioned on the first edge and the 3rd edge, and are connected with the second end with the first end of the 3rd resistance 203 respectively; Four the first conductor contact points 11 are separately positioned on a limit, and corresponding one by one with four the second conductor contact points 21, and two first conductor contact points 11 that are positioned at the adjacent both sides on a limit 30 are connected by going between, and two first conductor contact points 11 that are connected are adjacent.
Preferably, lead-in wire 30 is for being printed on the printed conductor on air door 100; The first conductor contact point 11 and the second conductor contact point 21 all adopt plastic foil conductive material to make.
The making of printed conductor is simple and convenient, simplified air door and be closed into the structure of level detecting apparatus, thereby it is simple and convenient to make air door be closed into the processing of level detecting apparatus.
Illustrate air door provided by the invention and be closed into the course of work of level detecting apparatus below in conjunction with Fig. 1:
The resistance of the first resistance 201, the second resistance 202 and the 3rd resistance 203 in testing circuit is all identical, and is 10K Ω.
Air door 100 is in the time of closed condition, open air door and be closed into level detecting apparatus, if air door 100 closures put in place, the first conductor contact point 11 is connected with the second conductor contact point 21, make the 3rd resistance 203 in short-circuit condition, now, the output voltage of testing circuit is 2 × VCC/3, puts in place if air door 100 is not closed, the first conductor contact point 11 can not be connected with the second conductor contact point 21, make the 3rd resistance 203 in short-circuit condition, now, the output voltage of testing circuit is 1 × VCC/2; If equaling 2 × VCC/3, the magnitude of voltage that control element 300 receives judges that air door 100 closures put in place; If judging higher than 2 × VCC/3 that air door 100 is not closed, the magnitude of voltage that control element 300 receives puts in place, controlling air door 100 moves to closure and puts in place, if extremely can not closure put in place appears in air door 100, alarm element sends alarm signal, there are abnormal conditions in reminding user air door 100, makes user to find in time and to deal with problems.
The refrigerating plant (not shown) that another embodiment provided by the invention provides, comprising: air door 100, and air door 100 comprises a body 10 and doorframe 20, door body 10 can be opened or close and be connected with doorframe 20; The air door providing with above-described embodiment is closed into level detecting apparatus.
Refrigerating plant provided by the invention comprises that the air door that the arbitrary embodiment of above-mentioned first aspect provides is closed into level detecting apparatus, therefore, the air door that this refrigerating plant has the arbitrary embodiment of above-mentioned first aspect to be provided is closed into whole beneficial effects of level detecting apparatus, does not repeat them here.
Preferably, air door 100 is MOD 100.
In sum, air door provided by the invention is closed into level detecting apparatus and has detecting element, testing circuit and control element, detecting element is arranged on air door, for detection of air door, whether closure puts in place, and testing result is exported by testing circuit, the control signal that control element receiving test circuit sends, controls air door action, and air door closure is put in place, specifically, air door is in the time of closed condition, open air door and be closed into level detecting apparatus, in the time that detecting element detects that air door closure puts in place, testing circuit sends the normal control signal of air door to control element, now, control element is not worked, in the time that detecting element detects that air door is not closed and puts in place, testing circuit sends the abnormal control signal of air door, now, control element control air door again moves to closure and puts in place, in the time that air door cannot closure puts in place because of abnormal conditions, there are abnormal conditions in alarm element in time reminding user air door, make user to find in time and to deal with problems, thereby improve the reliability of product, the setting of detecting element, testing circuit and alarm element has improved the abnormal recall rate of air door effectively, makes the optimum Working of the refrigeration plants such as refrigerator in design permission, thereby has effectively promoted the reliability of product.
In description of the invention, the only object for describing of term " first ", " second ", and can not be interpreted as indication or hint relative importance, unless otherwise clearly defined and limited, term " connection ", " being connected ", " installation " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, also can be to removably connect, or connect integratedly; " being connected " can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the description of this description, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. air door is closed into a level detecting apparatus, it is characterized in that, comprising:
Detecting element, described detecting element is arranged on described air door, and for detection of described air door, whether closure puts in place described detecting element, and testing result is exported;
Testing circuit, described testing circuit is connected with described detecting element, and described testing circuit receives the described testing result of described detecting element output, and sends control signal according to described testing result; With
Control element, described control element receives the control signal of described testing circuit output, and according to air door action described in described control signal control.
2. air door according to claim 1 is closed into level detecting apparatus, it is characterized in that,
Described testing circuit comprises:
The first resistance, the first end of described the first resistance is connected with power supply, and the second end is connected with described control element;
The second resistance, the first end ground connection of described the second resistance; With
The 3rd resistance, the first end of described the 3rd resistance is connected with the second end of described the second resistance, and the second end of described the 3rd resistance is connected with described control element, and described detecting element is in parallel with described the 3rd resistance.
3. air door according to claim 2 is closed into level detecting apparatus, it is characterized in that,
Described detecting element comprises: at least one conductor contact point group, and described in each, conductor contact point group includes the first conductor contact point and the second conductor contact point;
Described the first conductor contact point is arranged on the door limit of door body of described air door, and described the second conductor contact point is arranged on the doorframe of described air door with respect to described the first conductor contact point;
When described air door closure puts in place, described the first conductor contact point and described the second conductor contact point are connected to form closed-loop path, make described the 3rd resistance in short-circuit condition.
4. air door according to claim 3 is closed into level detecting apparatus, it is characterized in that,
Described detecting element comprises four conductor contact point groups, and described doorframe comprises and connect successively the first rectangular edge, the second edge, the 3rd edge and the 4th edge, and a side and described the 4th edge on described door limit are rotatably connected;
On described the second edge, be provided with by lead-in wire two described the second conductor contact points that are connected, another two described the second conductor contact points are separately positioned on described the first edge and described the 3rd edge, and are connected with described the second end with the described first end of described the 3rd resistance respectively;
Four described the first conductor contact points are separately positioned on described door limit, and corresponding one by one with four described the second conductor contact points, and be positioned at described door limit adjacent both sides two described in the first conductor contact point be connected by lead-in wire, and be connected two described in the first conductor contact point adjacent.
5. air door according to claim 4 is closed into level detecting apparatus, it is characterized in that,
Described lead-in wire is the printed conductor being printed on described air door.
6. air door according to claim 5 is closed into level detecting apparatus, it is characterized in that,
Described the first conductor contact point and described the second conductor contact point all adopt plastic foil conductive material to make.
7. be closed into level detecting apparatus according to the air door described in any one in claim 1 to 6, it is characterized in that, also comprise:
Alarm element, described alarm element is connected with described control element, and described alarm element can send alarm signal while putting in place described air door is not closed.
8. air door according to claim 7 is closed into level detecting apparatus, it is characterized in that,
Described alarm element is buzzer or indicator lamp.
9. a refrigerating plant, is characterized in that, comprising:
Air door, described air door comprises a body and doorframe, described Men Tike opens or closes and is connected with described doorframe; With
Air door as described in any one in claim 1 to 8 is closed into level detecting apparatus.
10. refrigerating plant according to claim 9, is characterized in that,
Described air door is MOD.
CN201410136959.8A 2014-04-04 2014-04-04 Air door is closed into level detecting apparatus and refrigerating plant Active CN103900342B (en)

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CN104279811A (en) * 2014-10-09 2015-01-14 合肥美的电冰箱有限公司 Electric air door and refrigerator
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
CN104879996A (en) * 2015-05-29 2015-09-02 海信容声(广东)冰箱有限公司 Detecting and limiting structure of air door of refrigeration device
CN104896866A (en) * 2015-05-29 2015-09-09 海信容声(广东)冰箱有限公司 Detection limiting structure of refrigeration device air door, refrigerator and refrigeration device
CN104896867A (en) * 2015-05-29 2015-09-09 海信容声(广东)冰箱有限公司 Detection limiting structure of refrigeration device air door, refrigeration device and control method
CN106875552A (en) * 2017-01-20 2017-06-20 深圳怡化电脑股份有限公司 A kind of finance self-help traction equipment and its module detection method in place and device
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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

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CN104279811A (en) * 2014-10-09 2015-01-14 合肥美的电冰箱有限公司 Electric air door and refrigerator
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
CN104296459B (en) * 2014-10-21 2017-01-25 湖北美的电冰箱有限公司 Air cooling refrigerator air door component and air cooling refrigerator with same
CN104879996A (en) * 2015-05-29 2015-09-02 海信容声(广东)冰箱有限公司 Detecting and limiting structure of air door of refrigeration device
CN104896866A (en) * 2015-05-29 2015-09-09 海信容声(广东)冰箱有限公司 Detection limiting structure of refrigeration device air door, refrigerator and refrigeration device
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