Air conditioner defrosting system and method

Abstract

The invention provides an air conditioner defrosting system and method.The air conditioner defrosting system comprises an air conditioner outdoor unit and a defrosting detection control system, and the defrosting detection control system comprises a detection module, a judgment module, a display control module and an execution module; the air conditioner outdoor unit is connected with an air blowing device, a heating pipe and an outdoor heat exchanger, the air conditioner outdoor unit is connected with a sealing device, and the sealing device comprises a sealing plate, a gear, a toothed belt and a first motor. Whether an outdoor heat exchanger is frosted or not is detected through a camera, if the frosting degree is too high or a user presses a control button, an air conditioner outdoor unit is heated through a heating pipe, the temperature inside and outside the air conditioner outdoor unit is detected through a temperature sensor and an outdoor temperature probe, and if the temperature difference exceeds a temperature difference threshold value, a first motor drives a gear to rotate; therefore, the gears and the sealing plate rotate synchronously through the toothed belt, the air outlet is sealed, and the defrosting effect is enhanced.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of air conditioner defrosting, and in particular to an air conditioner defrosting system and method. Background Art

[0002] The air conditioner mainly adjusts the ambient temperature by cooling or heating. The air conditioner generally adjusts the indoor temperature by cooling and heating. When the air conditioner is heating, the outdoor heat exchanger will be frosted.

[0003] In the prior art, the outdoor return air is generally heated by utilizing the liquid refrigerant condensed indoors, and the heat is transferred to the outdoor heat exchanger through the outdoor return air for defrosting, thereby achieving the purpose of defrosting by return air. However, this method is likely to cause the temperature inside the room to change during the defrosting process, resulting in poor comfort for the human body. Therefore, the present invention provides an air conditioner defrosting system and method for solving the above-mentioned problem. Summary of the invention

[0004] The present invention mainly provides an air conditioner defrosting system and method to solve the technical problems raised in the above background technology.

[0005] The technical solution adopted by the present invention to solve the above technical problems is: an air conditioner defrosting system, including an air conditioner outdoor unit and a defrosting detection control system, the defrosting detection control system includes:

[0006] A detection module, used to detect the humidity inside the air conditioner outdoor unit and monitor frost, and detect the temperature inside and outside the air conditioner outdoor unit;

[0007] A judgment module, used to judge whether frost has formed and the humidity inside the air conditioner outdoor unit;

[0008] Display control module, used to display the degree of frost and manually control defrosting;

[0009] An execution module, used for controlling the operation of the defrosting equipment;

[0010] The air-blowing device is connected to both sides of the interior of the air-conditioning outdoor unit, the heating pipe is connected to one side of the interior of the air-conditioning outdoor unit, the outdoor heat exchanger is connected to the other side of the interior of the air-conditioning outdoor unit, and the sealing device is connected to the other side of the air-conditioning outdoor unit. The sealing device includes a plurality of sealing plates rotatably connected to one side of the air-conditioning outdoor unit, a gear connected to one side of the sealing plate, a toothed belt meshingly connected to the outer wall of the gear and a first motor connected to one side of the gear, and one side of the first motor is connected to the air-conditioning outdoor unit.

[0011] Furthermore, a temperature sensor is connected to one side of the top of the air-conditioning outdoor unit, an outdoor temperature probe is connected to the top of the air-conditioning outdoor unit, and a camera is connected to one side of the bottom of the air-conditioning outdoor unit.

[0012] Furthermore, the detection module includes:

[0013] A visual monitoring unit, used to monitor whether the outdoor heat exchanger is frosted, the visual monitoring unit being electrically connected to a camera;

[0014] A first temperature detection unit, used to detect the temperature inside the air conditioner outdoor unit, the first temperature detection unit is electrically connected to the temperature sensor;

[0015] A second temperature detection unit, used to detect outdoor temperature, wherein the second temperature detection unit is electrically connected to the outdoor temperature probe;

[0016] The humidity detection unit is used to detect the humidity inside the air conditioner outdoor unit.

[0017] Furthermore, the blowing device includes a second motor connected to the bottom of the air conditioner outdoor unit and a fan blade connected to the driving end of the second motor.

[0018] Furthermore, the judging module includes:

[0019] A first judgment unit, used for receiving a signal sent by the visual monitoring unit to judge the degree of frost;

[0020] A second judgment unit, used for receiving signals sent by the first temperature detection unit and the second temperature detection unit to determine whether the temperature difference is greater than a temperature difference threshold;

[0021] The third judgment unit is used to receive the signal sent by the humidity detection unit to determine whether the humidity is greater than a humidity threshold.

[0022] Furthermore, a humidity sensor is connected to one side of the top of the air conditioner outdoor unit, and the humidity sensor is electrically connected to the humidity detection unit.

[0023] Furthermore, the display control module includes:

[0024] A display screen, used to display the picture sent by the visual monitoring unit;

[0025] The control button is used to manually control the defrosting operation. The control button sends an operation signal to the execution module, and the execution module sends a signal to the heating pipe, the sealing device and the blowing device.

[0026] Furthermore, a plurality of air outlets are provided on one side of the air conditioner outdoor unit, and a bevel is provided on one side of the bottom of the air outlet, and the bevel cooperates with the sealing plate.

[0027] According to the above technical solution of an air conditioner defrosting system, a method for defrosting an air conditioner is also provided, comprising the following steps:

[0028] S1, detecting whether the outdoor heat exchanger is frosted by a camera, and judging the degree of frosting of the outdoor heat exchanger by a first judging unit. If the degree of frosting is too high, heating the outdoor unit of the air conditioner by a heating pipe;

[0029] S2, then detecting the temperature inside and outside the air conditioner outdoor unit through the temperature sensor and the outdoor temperature probe, and judging the temperature difference between the inside and outside of the air conditioner outdoor unit through the second judgment unit. If the temperature difference exceeds the temperature difference threshold, the air outlet is sealed by the sealing device, and the temperature of the heating pipe is controlled. Otherwise, the blowing device is operated.

[0030] S3, detecting the humidity through the humidity sensor, if the humidity exceeds a threshold, the blowing device is activated.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] The present invention detects whether an outdoor heat exchanger is frosted by a camera, and determines the degree of frost on the outdoor heat exchanger by a first judgment unit. If the degree of frost is too high or the user presses a control button, the outdoor unit of the air conditioner is heated by a heating pipe, and the temperatures inside and outside the outdoor unit of the air conditioner are detected by a temperature sensor and an outdoor temperature probe. The temperature difference between the inside and outside of the outdoor unit of the air conditioner is determined by a second judgment unit. If the temperature difference exceeds a temperature difference threshold, the gear is driven to rotate by a first motor, so that a plurality of gears are rotated synchronously by a toothed belt, and then a plurality of sealing plates are rotated synchronously to achieve sealed air outlets, thereby enhancing the defrosting effect. The humidity is detected by a humidity sensor. If the humidity exceeds a threshold, the fan blades are rotated to discharge the humid air, and the air heated by the heating pipe is allowed to pass through the outdoor heat exchanger to facilitate defrosting. The device can defrost while the air conditioner is working, thereby avoiding indoor temperature fluctuations, thereby improving the user experience.

[0033] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a flow chart of the defrost detection control system of the present invention;

[0035] Figure 2 is a cross-sectional view of the external machine of the present invention;

[0036] Figure 3 It is a side sectional view of the external unit of the present invention;

[0037] Figure 4 The figure is a flow chart of the defrosting method of the present invention.

[0038] In the figure: 10, detection module; 11, visual monitoring unit; 12, first temperature detection unit; 13, second temperature detection unit; 14, humidity detection unit; 20, judgment module; 21, first judgment unit; 22, second judgment unit; 23, third judgment unit; 30, display control module; 31, display screen; 32, control button; 40, execution module; 50, air conditioner outdoor unit; 51, air outlet; 60, sealing device; 61, sealing plate; 62, gear; 63, toothed belt; 64, first motor; 70, outdoor heat exchanger; 80, heating pipe; 90, blowing device; 91, second motor; 92, fan blade; 100, temperature sensor; 110, humidity sensor; 120, outdoor temperature probe; 130, camera. DETAILED DESCRIPTION

[0039] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0040] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0042] For examples, please refer to the attached Figure 1-3 , an air conditioner defrosting system, comprising an air conditioner outdoor unit 50 and a defrosting detection control system, wherein the defrosting detection control system comprises:

[0043] The detection module 10 is used to detect the humidity inside the air conditioner outdoor unit 50 and monitor frost, and detect the temperature inside and outside the air conditioner outdoor unit 50;

[0044] A judging module 20, used to judge whether frost has formed and the humidity inside the air conditioner outdoor unit 50;

[0045] Display control module 30, used for displaying the degree of frost and manually controlling defrosting;

[0046] An execution module 40 is used to control the operation of the defrosting equipment;

[0047] The air-conditioning outdoor unit 50 is connected to a blowing device 90 on both sides, the air-conditioning outdoor unit 50 is connected to a heating pipe 80 on one side, the air-conditioning outdoor unit 50 is connected to an outdoor heat exchanger 70 on the other side, and the air-conditioning outdoor unit 50 is connected to a sealing device 60 on the other side. The sealing device 60 includes a plurality of sealing plates 61 rotatably connected to one side of the air-conditioning outdoor unit 50, a gear 62 connected to one side of the sealing plate 61, a toothed belt 63 meshingly connected to the outer wall of the gear 62, and a first motor 64 connected to one side of the gear 62, and one side of the first motor 64 is connected to the air-conditioning outdoor unit 50.

[0048] It should be noted that, in the present embodiment, the air-conditioning outdoor unit 50 is heated by the heating tube 80, thereby facilitating the defrosting of the outdoor heat exchanger 70, and the gear 62 is driven to rotate by the first motor 64, thereby causing the plurality of gears 62 to rotate synchronously through the toothed belt 63, and then causing the plurality of sealing plates 61 to rotate synchronously, thereby sealing the air-conditioning outdoor unit 50, thereby enhancing the defrosting effect of the outdoor heat exchanger 70.

[0049] For examples, please refer to the attached Figure 3 A temperature sensor 100 is connected to one side of the top of the air-conditioning outdoor unit 50 , an outdoor temperature probe 120 is connected to the top of the air-conditioning outdoor unit 50 , and a camera 130 is connected to one side of the bottom of the air-conditioning outdoor unit 50 .

[0050] It should be noted that, in the present embodiment, the temperature sensor 100 is convenient for detecting the temperature inside the air conditioner outdoor unit 50 to avoid excessive cooling of the air resulting in increased frost, and the outdoor temperature probe 120 is convenient for detecting the temperature outside the air conditioner outdoor unit 50 to avoid excessive cooling outside resulting in poor defrosting effect.

[0051] For examples, please refer to the attached Figure 1 , the detection module 10 comprises:

[0052] A visual monitoring unit 11, used to monitor whether the outdoor heat exchanger 70 is frosted, and the visual monitoring unit 11 is electrically connected to the camera 130;

[0053] A first temperature detection unit 12, used to detect the temperature inside the air conditioner outdoor unit 50, the first temperature detection unit 12 is electrically connected to the temperature sensor 100;

[0054] A second temperature detection unit 13, used to detect outdoor temperature, the second temperature detection unit 13 is electrically connected to the outdoor temperature probe 120;

[0055] The humidity detection unit 14 is used to detect the humidity inside the air conditioner outdoor unit 50 .

[0056] For examples, please refer to the attached Figure 3 The blowing device 90 includes a second motor 91 connected to the bottom of the air conditioner outdoor unit 50 and a fan blade 92 connected to the driving end of the second motor 91.

[0057] It should be noted that, in this embodiment, the fan blades 92 are driven to rotate by the second motor 91, thereby facilitating the discharge of air inside the air-conditioning outdoor unit 50 and allowing the air heated by the heating tube 80 to pass through the outdoor heat exchanger 70 for defrosting.

[0058] For examples, please refer to the attached Figure 1 , the judging module 20 comprises:

[0059] A first judging unit 21, configured to receive a signal sent by the visual monitoring unit 11 and judge the degree of frost;

[0060] A second judgment unit 22 is used to receive the signal sent by the first temperature detection unit 12 and the second temperature detection unit 13 to determine whether the temperature difference is greater than a temperature difference threshold;

[0061] The third judgment unit 23 is used to receive the signal sent by the humidity detection unit 14 to judge whether the humidity is greater than a humidity threshold.

[0062] It should be noted that, in the present embodiment, the first judgment unit 21 is convenient for judging the degree of frost on the outdoor heat exchanger 70 to avoid a high degree of frost causing the heat exchange effect of the outdoor heat exchanger 70 to deteriorate. The second judgment unit 22 is convenient for judging whether the temperature difference between the inside and outside of the air-conditioning outdoor unit 50 is greater than the temperature difference threshold and judging the temperature inside the air-conditioning outdoor unit 50, thereby facilitating controlling the temperature of the heating pipe 80 and sealing the air-conditioning outdoor unit 50 through the sealing device 60.

[0063] For examples, please refer to the attached Figure 3 A humidity sensor 110 is connected to one side of the top of the air conditioner outdoor unit 50 , and the humidity sensor 110 is electrically connected to the humidity detection unit 14 .

[0064] It should be noted that, in the present embodiment, the humidity sensor 110 is convenient for detecting the humidity inside the air-conditioning outdoor unit 50 , so that the outdoor heat exchanger 70 can be prevented from frosting due to the dehumidified air by replacing the air.

[0065] For examples, please refer to the attached Figure 1-3 , the display control module 30 includes:

[0066] A display screen 31, used to display the picture sent by the visual monitoring unit 11;

[0067] The control button 32 is used to manually control the defrosting operation. The control button 32 sends an operation signal to the execution module 40 , and the execution module 40 sends a signal to the heating tube 80 , the sealing device 60 and the blowing device 90 .

[0068] It should be noted that, in the present embodiment, the display screen 31 allows the user to observe the frost on the outdoor heat exchanger 70 , and the user can manually start the defrosting device through the control button 32 to perform the defrosting operation.

[0069] For examples, please refer to the attached Figure 3 A plurality of air outlets 51 are provided on one side of the air conditioner outdoor unit 50 , and a bevel is provided on one side of the bottom of the air outlet 51 , and the bevel cooperates with the sealing plate 61 .

[0070] It should be noted that, in the present embodiment, the air outlet 51 is convenient for discharging moist air and cold air inside the air conditioner outdoor unit 50 , and the bevel is convenient for making the sealing plate 61 fully contact with the air conditioner outdoor unit 50 , so as to seal the air outlet 51 .

[0071] For examples, please refer to the attached Figure 4 According to the above technical solution of an air conditioner defrosting system, a method for defrosting an air conditioner is also provided, comprising the following steps:

[0072] S1, detecting whether the outdoor heat exchanger 70 is frosted by the camera 130, and determining the degree of frosting of the outdoor heat exchanger 70 by the first determining unit 21. If the degree of frosting is too high, heating the air conditioner outdoor unit 50 by the heating pipe 80;

[0073] S2, then the temperature sensor 100 and the outdoor temperature probe 120 detect the temperature inside and outside the air conditioner outdoor unit 50, and the second judgment unit 22 judges the temperature difference between the inside and outside of the air conditioner outdoor unit 50. If the temperature difference exceeds the temperature difference threshold, the air outlet 51 is sealed by the sealing device 60, and the temperature of the heating pipe 80 is controlled. Otherwise, the blowing device 90 is operated.

[0074] S3, the humidity is detected by the humidity sensor 110, and if the humidity exceeds a threshold, the blowing device 90 is activated.

[0075] The specific operation mode of the present invention is as follows: first, the camera 130 is used to detect whether the outdoor heat exchanger 70 is frosted, and the first judgment unit 21 is used to judge the degree of frost on the outdoor heat exchanger 70. If the degree of frost is too high or the user presses the control button 32, the execution module 40 is used to make the heating pipe 80 heat the air conditioner outdoor unit 50, and then the temperature sensor 100 and the outdoor temperature probe 120 are used to detect the temperature inside and outside the air conditioner outdoor unit 50, and the second judgment unit 22 is used to judge the temperature difference between the inside and outside of the air conditioner outdoor unit 50. If the temperature difference exceeds the temperature difference threshold, the execution module 40 is used to drive the first motor 64 to rotate the gear 62, so that the toothed belt 63 is used to make multiple gears 62 rotate synchronously, and then the multiple sealing plates 61 are rotated synchronously to achieve sealing of the air outlet 51 and control the temperature of the heating pipe 80. On the contrary, the execution module 40 is used to make the second motor 91 drive the fan blade 92 to rotate, and the humidity is detected by the humidity sensor 110 at the same time. If the humidity exceeds the threshold, the fan blade 92 is rotated to discharge the humid air.

[0076] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An air conditioner defrosting system, comprising an air conditioner outdoor unit (50) and a defrosting detection control system, characterized in that: The defrost detection control system comprises: A detection module (10) for detecting humidity inside the air conditioner outdoor unit (50) and monitoring frost, and detecting temperatures inside and outside the air conditioner outdoor unit (50); A judgment module (20) for judging whether frost has formed and the humidity inside the air conditioner outdoor unit (50); A display control module (30) for displaying the degree of frost and manually controlling defrosting; An execution module (40) is used to control the operation of the defrosting device; The air-blowing device (90) is connected to both sides of the interior of the air-conditioning outdoor unit (50), the heating pipe (80) is connected to one side of the interior of the air-conditioning outdoor unit (50), the outdoor heat exchanger (70) is connected to the other side of the interior of the air-conditioning outdoor unit (50), and the sealing device (60) is connected to the other side of the air-conditioning outdoor unit (50), and the sealing device (60) includes a plurality of sealing plates (61) rotatably connected to one side of the air-conditioning outdoor unit (50), a gear (62) connected to one side of the sealing plate (61), a toothed belt (63) meshingly connected to the outer wall of the gear (62), and a first motor (64) connected to one side of one of the gears (62), and one side of the first motor (64) is connected to the air-conditioning outdoor unit (50).

2. An air conditioner defrosting system according to claim 1, characterized in that: A temperature sensor (100) is connected to one side of the top of the air-conditioning outdoor unit (50), an outdoor temperature probe (120) is connected to the top of the air-conditioning outdoor unit (50), and a camera (130) is connected to one side of the bottom of the air-conditioning outdoor unit (50).

3. An air conditioner defrosting system according to claim 2, characterized in that: The detection module (10) comprises: A visual monitoring unit (11) is used to monitor whether the outdoor heat exchanger (70) is frosted, and the visual monitoring unit (11) is electrically connected to the camera (130); A first temperature detection unit (12) for detecting the temperature inside the air conditioner outdoor unit (50), wherein the first temperature detection unit (12) is electrically connected to a temperature sensor (100); A second temperature detection unit (13) is used to detect outdoor temperature, and the second temperature detection unit (13) is electrically connected to an outdoor temperature probe (120); The humidity detection unit (14) is used to detect the humidity inside the air conditioner outdoor unit (50).

4. The air conditioner defrosting system according to claim 3, characterized in that: The blowing device (90) comprises a second motor (91) connected to the bottom of the air conditioner outdoor unit (50) and a fan blade (92) connected to the driving end of the second motor (91).

5. The air conditioner defrosting system according to claim 3, characterized in that: The judging module (20) comprises: A first judgment unit (21) is used to receive a signal sent by the visual monitoring unit (11) to judge the degree of frost; A second judgment unit (22) is used to receive signals sent by the first temperature detection unit (12) and the second temperature detection unit (13) to determine whether the temperature difference is greater than a temperature difference threshold; The third judgment unit (23) is used to receive the signal sent by the humidity detection unit (14) to judge whether the humidity is greater than a humidity threshold.

6. The air conditioner defrosting system according to claim 3, characterized in that: A humidity sensor (110) is connected to one side of the top of the air conditioner outdoor unit (50), and the humidity sensor (110) is electrically connected to the humidity detection unit (14).

7. An air conditioner defrosting system according to claim 3, characterized in that: The display control module (30) comprises: A display screen (31) for displaying the picture sent by the visual monitoring unit (11); A control button (32) is used to manually control the defrosting operation. The control button (32) sends an operation signal to an execution module (40), and the execution module (40) sends a signal to a heating pipe (80), a sealing device (60), and a blowing device (90).

8. The air conditioner defrosting system according to claim 1, characterized in that: A plurality of air outlets (51) are provided on one side of the air conditioner outdoor unit (50), and a bevel is provided on one side of the bottom of the air outlet (51), and the bevel cooperates with the sealing plate (61).

9. An air conditioner defrosting method, used to implement an air conditioner defrosting system according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1, detecting whether the outdoor heat exchanger (70) is frosted by means of a camera (130), judging the degree of frosting of the outdoor heat exchanger (70) by means of a first judging unit (21), and if the degree of frosting is too high, heating the outdoor unit (50) of the air conditioner by means of a heating pipe (80); S2, then detecting the temperature inside and outside the air conditioner outdoor unit (50) through the temperature sensor (100) and the outdoor temperature probe (120), judging the temperature difference between the inside and outside of the air conditioner outdoor unit (50) through the second judgment unit (22), and if the temperature difference exceeds the temperature difference threshold, sealing the air outlet (51) through the sealing device (60) and controlling the temperature of the heating pipe (80), otherwise, operating the blowing device (90); S3, the humidity is detected by the humidity sensor (110), and if the humidity exceeds a threshold value, the blowing device (90) is activated.

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