CN102589099A - Heating safety protection device and method and air conditioner with protection device - Google Patents
Heating safety protection device and method and air conditioner with protection device Download PDFInfo
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- CN102589099A CN102589099A CN2011100031805A CN201110003180A CN102589099A CN 102589099 A CN102589099 A CN 102589099A CN 2011100031805 A CN2011100031805 A CN 2011100031805A CN 201110003180 A CN201110003180 A CN 201110003180A CN 102589099 A CN102589099 A CN 102589099A
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Abstract
The invention provides a heating safety protection device and a method and an air conditioner with the protection device. The heating safety protection device comprises an intermediate connecting piece, an air guide connecting rod and a microswitch, wherein the first end of the intermediate connecting member is connected with an air deflector of the air conditioner; the air guide connecting rod is connected with the second end of the intermediate connecting member, and a limiting mechanism is arranged on the air guide connecting rod and is provided with a first position corresponding to the closed state of the air deflector; and the microswitch is arranged at one side of the air guide connecting rod and is in contact with the limiting mechanism at the first position of the limiting mechanism. The air conditioner comprises the heating safety protection device. The heating safety protection method of the air conditioner comprises the following steps of: closing the air deflector; driving the limiting mechanism on the air guide connecting rod to move at the first position corresponding to the closed state of the air deflector; contacting the limiting mechanism and the microswitch and triggering the microswitch; and stopping the operation of a heating element when a main board detects that the microswitch is triggered. With the adoption of the heating safety protection device and the method and the air conditioner with the protection device, the safety performance of the air conditioner is improved.
Description
Technical field
The present invention relates to the adjustment field, more specifically, relate to a kind of air-conditioner that heats safety guard and method and have this protective device.
Background technology
In order to improve the heating capacity under the worst cold case, the pump type heat cabinet air conditioner often adopts the auxiliary electrical heater block.How under various abominable service conditions, the out of service of electric heating element to be out of shape even catching fire by roasting with machine moulding in avoiding, be the constantly problem of research of each air-conditioning producer always.
At present, generally adopt thermal fuse-link and temperature limiter to come electric heating element is protected on the pump type heat cabinet air conditioner.But; For pump type heat cabinet air conditioner with closed wind deflector; In heating process, artificially close by force under the abominable service condition of wind deflector; Thermal fuse-link originally and temperature limiter protective device do not reach operating temperature and can not in time break off, and the machine moulding is by the electrical safety hidden danger of roasting distortion of electric heating element even catching fire in existing.
Summary of the invention
It is automatically out of service with the heating safety guard that guarantees the air-conditioning safe operation and method and air-conditioner with this protective device that the present invention aims to provide a kind of electric heater parts that can make.
According to an aspect of the present invention, a kind of heating safety guard is provided, has comprised intermediate connector, its first end is connected with the wind deflector of air-conditioner; The wind-guiding connecting rod is connected with second end of intermediate connector, and the wind-guiding connecting rod is provided with position-limit mechanism, and position-limit mechanism has and the corresponding primary importance of the closed condition of wind deflector; Microswitch is arranged on a side of wind-guiding connecting rod and contacts with position-limit mechanism in the primary importance of position-limit mechanism.
Further, microswitch comprises microswitch main body and the triggering sheet that is connected with the microswitch main body.
Further, position-limit mechanism comprises first position-limit mechanism, and first position-limit mechanism comprises stopper slot, triggers sheet and is arranged in the stopper slot, and contact with the sidewall of stopper slot in the primary importance of first position-limit mechanism.
Further, position-limit mechanism comprises second position-limit mechanism, and second position-limit mechanism is the spacing preiection that the microswitch that is arranged on the wind-guiding connecting rod belongs to a side, triggers sheet and contacts with spacing preiection in the primary importance of second position-limit mechanism.
Further, spacing preiection is the limited post that is fixed on the wind-guiding connecting rod.
Further, intermediate connector is and the integrated bent axle of wind deflector.
Further, the end of second end of intermediate connector is provided with clamping part, and intermediate connector is through clamping part and the clamping mutually of wind-guiding connecting rod.
Further, the wind-guiding connecting rod is arranged on the one or both sides of wind deflector.
According to another aspect of the present invention, a kind of air-conditioner is provided, has comprised aforesaid heating safety guard.
According to a further aspect of the invention; A kind of heating method for security protection of air-conditioner is provided; Air-conditioner is aforesaid air-conditioner; The heating method for security protection comprises: wind deflector is closed, and the position-limit mechanism that drives on the wind-guiding connecting rod moves to and the corresponding primary importance of the closed condition of wind deflector, and position-limit mechanism contacts with microswitch and triggers microswitch; Mainboard detects microswitch and is triggered, and stops the heater block operation.
The air-conditioner that adopts heating safety guard of the present invention and method and have this protective device; Wind deflector is connected with the wind-guiding connecting rod through intermediate connector, when wind deflector is closed by force, and the position limiting structure touching microswitch on the wind-guiding connecting rod; Make microswitch closed; After the mainboard of air-conditioner detects the microswitch closure, stop the air-conditioning safe operation of electric heating element operation immediately, improved the electrical safety performance of air-conditioning effectively with protection.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Structural representation when Fig. 1 is the wind deflector unlatching according to heating safety guard of the present invention;
Fig. 2 is first partial enlarged drawing of Fig. 1;
Fig. 3 is second partial enlarged drawing of Fig. 1;
Fig. 4 is the structural representation according to of the present invention heating safety guard of wind deflector when closing;
Fig. 5 is first partial enlarged drawing of Fig. 4; And
Fig. 6 is second partial enlarged drawing of Fig. 4.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment, specify the present invention.
According to heating safety guard of the present invention, comprise intermediate connector 20, its first end is connected with the wind deflector 10 of air-conditioner; Wind-guiding connecting rod 30 is connected with second end of intermediate connector 20, and wind-guiding connecting rod 30 is provided with position-limit mechanism, and position-limit mechanism has and the corresponding primary importance of the closed condition of wind deflector 10; Microswitch 40 is arranged on a side of wind-guiding connecting rod 30 and contacts with position-limit mechanism in the primary importance of position-limit mechanism.
In the present embodiment, air-conditioning is the heat pump type air conditioner with closed wind deflector.As shown in Figure 1; When the wind deflector 10 of air-conditioner is in open mode; Position-limit mechanism on the wind-guiding connecting rod 30 breaks away from microswitch 40, and microswitch 40 is in open mode, and this moment, the mainboard electric heating element of controlling air-conditioner by set control logic of air-conditioner normally moved.As shown in Figure 4, when wind deflector 10 was artificially closed by force, the position-limit mechanism touching microswitch 40 on the wind-guiding connecting rod 30 made microswitch 40 closures, after the mainboard of air-conditioner detects microswitch 40 closures, stops the electric heating element operation immediately.By on can know; In heating process with closed wind deflector heat pump type air conditioner; When taking place artificially to close the situation of wind deflector by force, microswitch 40 closures, electric heating element no longer continues heating; Thereby the moulding of having eliminated air-conditioner has been improved the electrical safety performance of heat pump type air conditioner effectively by the electrical safety hidden danger of roasting distortion of electric heating element even catching fire.
Like Fig. 1, Fig. 2 and Fig. 4, shown in Figure 5, intermediate connector 20 is and wind deflector 10 integrated bent axles.The end of second end of intermediate connector 20 is provided with clamping part, and intermediate connector 20 is through clamping part and wind-guiding connecting rod 30 clamping mutually.
Bent axle and wind deflector 10 integrated injection moldings as intermediate connector 20; Bent axle have along the direction of wind deflector 10 distribute and the horizontal part that is connected with wind deflector 10 and with horizontal part bending part at an angle; The end of bending part is provided with clamping part, and clamping part is truncated cone-shaped, and the center has groove; Thereby make clamping part have elasticity, can from the installing hole of wind-guiding connecting rod 30, stretch out and with wind-guiding connecting rod 30 clamping mutually.When wind deflector 10 was closed, the rotating band dynamic crankshaft of wind deflector 10 rotated, and bent axle rotates and drives 30 motions of wind-guiding connecting rod, thereby makes the position-limit mechanism on the wind-guiding connecting rod 30 touch microswitch 40, stops the operation of electric heating element.
Preferably, like Fig. 2, Fig. 3 and Fig. 5, shown in Figure 6, microswitch 40 comprises microswitch main body 41 and the triggering sheet 42 that is connected with microswitch main body 41.
Microswitch 40 has microswitch main body 41 and is connected the triggering sheet 42 on the microswitch main body 41, and in the present embodiment, triggering sheet 42 is spring leaf; When wind deflector 10 is closed; Position-limit mechanism contacts with triggering sheet 42, closes microswitch, and mainboard stops the electric heating element operation immediately.
Like Fig. 1, Fig. 3 and Fig. 4, shown in Figure 6, position-limit mechanism comprises that first position-limit mechanism, 31, the first position-limit mechanisms 31 comprise stopper slot, triggers sheet 42 and is arranged in the stopper slot, and contact with the sidewall of stopper slot in the primary importance of first position-limit mechanism 31.
According to first embodiment of position-limit mechanism of the present invention, position-limit mechanism comprises that first position-limit mechanism, 31, the first position-limit mechanisms 31 are arranged on an end of wind-guiding connecting rod 30 and comprise stopper slot.Stopper slot is the groove that is arranged on wind-guiding connecting rod 30 1 sides; Trigger sheet 42 and be positioned at stopper slot, when wind deflector 10 was closed, wind-guiding connecting rod 30 relative microswitches 40 travelled forward; Thereby make the sidewall of stopper slot contact with triggering sheet 42; Trigger microswitch 40 and close, stop the electric heating element operation, improve the electrical safety performance of air-conditioner.
Like Fig. 1, Fig. 2 and Fig. 4, shown in Figure 5; Position-limit mechanism comprises second position-limit mechanism 32; Second position-limit mechanism 32 is the spacing preiection that is arranged on microswitch 40 places one side of wind-guiding connecting rod 30, triggers sheet 42 and contacts with spacing preiection in the primary importance of second position-limit mechanism 32.Spacing preiection is the limited post that is fixed on the wind-guiding connecting rod 30.
According to second embodiment of position-limit mechanism of the present invention, position-limit mechanism comprises second position-limit mechanism 32.Second position-limit mechanism 32 is the limited post that is arranged on the homonymy of microswitch 40, and limited post is fixed on the wind-guiding connecting rod 30.In the present embodiment, microswitch 40 and limited post all are arranged on the opposite side of wind deflector 10 places one side of wind-guiding connecting rod 30.When wind deflector 10 is closed; Wind-guiding connecting rod 30 travels forward with respect to microswitch 40; Thereby limited post also travels forward with respect to microswitch 40, and final contact and trigger microswitch with the triggering sheet 42 of microswitch 40 make it to close, move thereby stop electric heating element.
According to the 3rd embodiment of position-limit mechanism of the present invention, in the heating safety guard, comprise that simultaneously first position-limit mechanism 31 and second position-limit mechanism, 32, the second position-limit mechanisms 32 are one or are a plurality of.Microswitch 40 is through on the panel that is bolted to air-conditioner, and the position of second position-limit mechanism 32 can be confirmed according to the position of microswitch 40.
Preferably, wind-guiding connecting rod 30 is arranged on the one or both sides of wind deflector 10.
Wind-guiding connecting rod 30 can be arranged on the left side of wind deflector 10, also can be arranged on the right side of wind deflector, perhaps is arranged on the both sides of wind deflector 10 simultaneously.
The invention provides a kind of air-conditioner, comprise aforesaid heating safety guard.
Artificially closing by force under the abominable service condition of wind deflector; Drive mechanism such as the intermediate connector, wind-guiding connecting rod of air-conditioner of the present invention through the heating safety guard and microswitch are realized stopping immediately of electric heating element; Improved with the air-conditioner of the closed wind deflector electrical safety performance when the heating operation, the moulding of having eliminated air-conditioner is by the electrical safety hidden danger of roasting distortion of electric heating element even catching fire.
The present invention also provides a kind of heating method for security protection of air-conditioner; Air-conditioner is aforesaid air-conditioner; The heating method for security protection comprises: wind deflector is closed; The position-limit mechanism that drives on the wind-guiding connecting rod moves to and the corresponding primary importance of the closed condition of wind deflector, and position-limit mechanism contacts with microswitch and triggers microswitch; Mainboard detects microswitch and is triggered, and stops the heater block operation.
When heating operation, when wind deflector was in open mode, the position limiting structure of wind-guiding connecting rod broke away from the triggering sheet on the microswitch, and microswitch is in opening, and the air-conditioner mainboard is according to set logic control electric heating element.When wind deflector is artificially closed by force; Wind deflector drives the wind-guiding link motion through the bent axle as intermediate connector; Make the position limiting structure of wind-guiding connecting rod touch the triggering sheet on the microswitch; Make microswitch closed, mainboard detects microswitch and is triggered after the closure, stops the electric heating element operation.
Preferably, the heating method for security protection comprises that also mainboard detects microswitch and is triggered after the closure, by following logic control air conditioner operation:
When 1. stopping the electric heating element operation, also stop the compressor and the inside and outside blower fan thereof of air-conditioner;
2. wind deflector resets, and opens a period of time to blow out waste heat; Blow in the waste heat process, if artificial positive closing wind deflector once more then stops the operation of air conditioner immediately;
3. after blowing the end of waste heat process, wind deflector is closed, and air conditioner is out of service.
From above description, can find out that the above embodiments of the present invention have realized following technique effect:
Heating safety guard of the present invention and method and air-conditioner with this protective device; Wind deflector is connected with the wind-guiding connecting rod through intermediate connector; When wind deflector was closed by force, the position limiting structure touching microswitch on the wind-guiding connecting rod made microswitch closed; After the mainboard of air-conditioner detects the microswitch closure; Immediately stop the air-conditioning safe operation of electric heating element operation with protection, the moulding of having eliminated air-conditioner has been improved the electrical safety performance of air-conditioning effectively by the electrical safety hidden danger of roasting distortion of electric heating element even catching fire.
More than be merely 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 changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a heating safety guard is characterized in that, comprising:
Intermediate connector (20), its first end is connected with the wind deflector (10) of air-conditioner;
Wind-guiding connecting rod (30) is connected with second end of said intermediate connector (20), and said wind-guiding connecting rod (30) is provided with position-limit mechanism, and said position-limit mechanism has the corresponding primary importance of closed condition with said wind deflector (10);
Microswitch (40) is arranged on a side of said wind-guiding connecting rod (30) and contacts with said position-limit mechanism in the primary importance of said position-limit mechanism.
2. heating safety guard according to claim 1 is characterized in that, said microswitch (40) comprises microswitch main body (41) and the triggering sheet (42) that is connected with said microswitch main body (41).
3. heating safety guard according to claim 2; It is characterized in that; Said position-limit mechanism comprises first position-limit mechanism (31); Said first position-limit mechanism (31) comprises stopper slot, and said triggering sheet (42) is arranged in the said stopper slot, and contacts with the sidewall of said stopper slot in the primary importance of said first position-limit mechanism (31).
4. heating safety guard according to claim 2; It is characterized in that; Said position-limit mechanism comprises second position-limit mechanism (32); Said second position-limit mechanism (32) is the spacing preiection that is arranged on said microswitch (40) place one side of said wind-guiding connecting rod (30), and said triggering sheet (42) contacts with said spacing preiection in the primary importance of said second position-limit mechanism (32).
5. heating safety guard according to claim 4 is characterized in that, said spacing preiection is for being fixed on the limited post on the said wind-guiding connecting rod (30).
6. according to each described heating safety guard in the claim 1 to 5, it is characterized in that said intermediate connector (20) is and the integrated bent axle of said wind deflector (10).
7. heating safety guard according to claim 6 is characterized in that, the end of second end of said intermediate connector (20) is provided with clamping part, and said intermediate connector (20) is through said clamping part and said wind-guiding connecting rod (30) clamping mutually.
8. according to each described heating safety guard in the claim 1 to 5, it is characterized in that said wind-guiding connecting rod (30) is arranged on the one or both sides of said wind deflector (10).
9. an air-conditioner is characterized in that, comprises each described heating safety guard in the claim 1 to 8.
10. the heating method for security protection of an air-conditioner, said air-conditioner is the described air-conditioner of claim 9, it is characterized in that, said method comprises:
Wind deflector is closed, and the position-limit mechanism that drives on the wind-guiding connecting rod moves to and the corresponding primary importance of the closed condition of said wind deflector, and said position-limit mechanism contacts with microswitch and triggers microswitch;
Mainboard detects microswitch and is triggered, and stops the heater block operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100031805A CN102589099A (en) | 2011-01-07 | 2011-01-07 | Heating safety protection device and method and air conditioner with protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100031805A CN102589099A (en) | 2011-01-07 | 2011-01-07 | Heating safety protection device and method and air conditioner with protection device |
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| Publication Number | Publication Date |
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| CN102589099A true CN102589099A (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100031805A Pending CN102589099A (en) | 2011-01-07 | 2011-01-07 | Heating safety protection device and method and air conditioner with protection device |
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| CN (1) | CN102589099A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574870A (en) * | 2012-07-26 | 2014-02-12 | 珠海格力电器股份有限公司 | Air conditioner, air guide plate movement mechanism and method for controlling same |
| CN103574872A (en) * | 2012-07-26 | 2014-02-12 | 珠海格力电器股份有限公司 | Air conditioner and air guide plate driving device thereof |
| CN107270513A (en) * | 2016-04-06 | 2017-10-20 | 广东美的制冷设备有限公司 | A kind of wind deflector connecting rod driving structure, air-supply arrangement and air conditioner room unit |
| CN112902382A (en) * | 2021-02-23 | 2021-06-04 | 宁波奥克斯电气股份有限公司 | Air conditioner electric heating control method and device, storage medium and air conditioner |
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| CN200958834Y (en) * | 2006-09-30 | 2007-10-10 | 广东美的电器股份有限公司 | Upper air-intake structure of indoor unit of separated hung air conditioner |
| CN201209937Y (en) * | 2008-04-09 | 2009-03-18 | 宁波奥克斯空调有限公司 | Protection structure in hot blast mechanism of air conditioner for preventing malfunction of throttle |
| CN201926073U (en) * | 2011-01-07 | 2011-08-10 | 珠海格力电器股份有限公司 | Heating safety protection device and air conditioner comprising same |
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Patent Citations (3)
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| CN200958834Y (en) * | 2006-09-30 | 2007-10-10 | 广东美的电器股份有限公司 | Upper air-intake structure of indoor unit of separated hung air conditioner |
| CN201209937Y (en) * | 2008-04-09 | 2009-03-18 | 宁波奥克斯空调有限公司 | Protection structure in hot blast mechanism of air conditioner for preventing malfunction of throttle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574870A (en) * | 2012-07-26 | 2014-02-12 | 珠海格力电器股份有限公司 | Air conditioner, air guide plate movement mechanism and method for controlling same |
| CN103574872A (en) * | 2012-07-26 | 2014-02-12 | 珠海格力电器股份有限公司 | Air conditioner and air guide plate driving device thereof |
| CN103574872B (en) * | 2012-07-26 | 2016-02-10 | 珠海格力电器股份有限公司 | A kind of air-conditioning and wind deflector drive unit thereof |
| CN103574870B (en) * | 2012-07-26 | 2016-04-20 | 珠海格力电器股份有限公司 | The control method of air-conditioning, wind deflector motion and wind deflector motion |
| CN107270513A (en) * | 2016-04-06 | 2017-10-20 | 广东美的制冷设备有限公司 | A kind of wind deflector connecting rod driving structure, air-supply arrangement and air conditioner room unit |
| CN112902382A (en) * | 2021-02-23 | 2021-06-04 | 宁波奥克斯电气股份有限公司 | Air conditioner electric heating control method and device, storage medium and air conditioner |
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Application publication date: 20120718 |