A cooling and heating window air conditioner

Abstract

The present invention discloses a heating and cooling window air conditioner, which includes a chassis, a drainage mechanism and a water pumping motor. When the air conditioner is in the heating state, the drainage mechanism is started according to the defrosting cycle of the air conditioner and / or the water level height of the chassis, and the drainage mechanism is closed after running for a preset time; when the air conditioner is in the cooling state, the drainage mechanism is in a normally closed state. The heating and cooling window air conditioner proposed by the present invention can achieve automatic drainage when drainage is required, and can automatically block the drainage port when the air conditioner does not need drainage, improving the convenience of user use.

Description

Technical Field

[0001] The present invention relates to the field of air conditioners, and particularly to a cooling and heating window air conditioner. Background Art

[0002] For the existing cooling and heating window air conditioners, if the drain outlet is normally closed, manual drainage needs to be carried out regularly during heating, which is inconvenient to use; if the drain outlet is normally open, the defrosting water will gradually solidify into ice at the drain outlet in an ultra-low temperature environment, and finally block the drain outlet. If not dealt with in time, it may cause indoor water leakage and pose a safety hazard. Summary of the Invention

[0003] The technical problem to be solved by the present invention is:

[0004] The present invention provides a cooling and heating window air conditioner, which can drain water when the air conditioner needs to drain water, and can automatically block the drain outlet when the air conditioner does not need to drain water.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a cooling and heating window air conditioner, including a chassis, a drainage mechanism and a water pumping motor. When the air conditioner is in the heating state, the drainage mechanism is started according to the defrosting cycle of the air conditioner and / or the water level height of the chassis, and the drainage mechanism is closed after running for a preset time; when the air conditioner is in the cooling state, the drainage mechanism is in a normally closed state.

[0006] Further, when the air conditioner is in the cooling state, the condensed water generated by the air conditioner is pumped onto the condenser of the air conditioner by the water pumping motor to achieve self-evaporation.

[0007] Further, the drainage mechanism is started to run for one minute and then closed every two defrosting cycles of the air conditioner until the heating state ends.

[0008] Further, the air conditioner is provided with a drainage channel, the water inlet of the drainage channel is arranged on the bottom plate of the chassis, and the water outlet of the drainage channel is arranged on the chassis or outside the chassis.

[0009] Further, the drainage mechanism is integrally strip-shaped, the drainage mechanism is horizontally installed on the chassis, and the drainage mechanism is a mechanical drainage pump using a stepping motor and a spring in cooperation.

[0010] Further, the drainage mechanism is vertically installed on the chassis, and the drainage mechanism is a mechanical drainage pump using a float and a spring in cooperation.

[0011] Further, the drainage mechanism includes a motor, a runner engaged with the rotating shaft of the motor, a water plug, a transmission rope connecting the runner and the water plug, and a spring with one end fixed to the box body and the other end abutting against the water plug; the motor is disposed on the upper right side of the drainage mechanism, the runner is disposed below the motor, the water plug is disposed on the left side of the housing, and the spring is in a compressed state.

[0012] Further, a rotating shaft is disposed on the left side of the drainage mechanism. The diameter of the rotating shaft is large at both ends and small in the middle. The water plug is generally in an "n" shape and is rotatably and fixedly connected to the rotating shaft. A "C" - shaped notch is fixedly provided at one end of the water plug connected to the rotating shaft. A rubber head is provided at the other end of the water plug, and the end of the water plug with the rubber head is located outside the housing of the drainage mechanism.

[0013] Further, the drainage mechanism includes a fixed seat, a spring, a connecting rod, a float, and a water plug. The float and the water plug are fixed on the connecting rod. The water plug is sleeved with a rubber head, and the spring is in a compressed state.

[0014] Further, the drainage mechanism includes any one of a transmission structure such as an electromagnetic pump, a hydraulic pump, a cam, and a lever.

[0015] The beneficial effects of the present invention are as follows:

[0016] The air conditioner starts the drainage mechanism according to the defrosting cycle and / or the water level height of the chassis. When the drainage mechanism is closed, it can automatically block the drain hole, thereby realizing the automatic opening or closing of the drain port and improving the convenience of user use.

[0017] The additional aspects and advantages of the present invention will be partially given in the following description, and partially will become obvious from the following

[0018] description, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the drawings and embodiments.

[0020] Figure 1 It is a schematic assembly diagram of the drainage mechanism of a cooling - heating window - type air conditioner in the chassis in the embodiment;

[0021] Figure 2 It is a schematic cross - sectional view of the drainage mechanism using a stepper motor and a spring in cooperation in the embodiment;

[0022] Figure 3 It is a schematic exploded view of the drainage mechanism using a stepper motor and a spring in cooperation in the embodiment;

[0023] Figure 4Schematic exploded view of the drainage mechanism using a float and a spring in the embodiment;

[0024] Reference numerals:

[0025] Lower box body 10, box cover 20, motor 30, runner 40, groove 41, water plug 50, notch 51, rubber head 52, transmission rope 60, spring 70, rotating shaft 80, fixed seat 90, connecting rod 91, float 92, drainage mechanism 100, chassis 200, bottom plate 210. Detailed implementation manners

[0026] Now, the present invention will be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basic structure of the present invention in a schematic manner, so it only shows the components related to the present invention.

[0027] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0028] See the attached Figure 1 , a cooling and heating window air conditioner of the present invention includes a chassis 200, a drainage mechanism 100, a water pumping motor and a drainage channel. The water inlet of the drainage channel is arranged on the bottom plate 210 of the chassis 200, and the water outlet of the drainage channel is arranged outside the chassis 200. When the air conditioner is in the cooling state, the drainage mechanism 100 is in the normally closed state, and the condensed water generated by the air conditioner is pumped onto the condenser of the air conditioner by the water pumping motor to achieve self-evaporation. When the air conditioner is in the heating state, the air conditioner needs to defrost, thus generating defrosting water. When one or more defrosting cycles have passed, the main board program controls the drainage mechanism 100 to start. After the drainage mechanism 100 starts to operate for a preset time, it automatically closes, and the drainage ends, and so on in a cycle. Thus, the defrosting water generated during defrosting can be drained completely or partially in time. When the drainage mechanism 100 closes automatically after running for a certain time, it can also prevent the drainage port on the chassis 200 from being blocked due to the solidification and icing of the defrosting water. Specifically, through experimental tests, the opening and closing logic of the drainage mechanism 100 is that after every two defrosting cycles, the drainage mechanism 100 starts to operate for one minute and then closes until the heating state ends.

[0029] According to another embodiment of the present invention, the drainage mechanism 100 can also be activated according to or in combination with the water level height of the chassis 200. When the water level switch detects that the water level reaches a certain height, the main board program controls the drainage mechanism 100 to start, and the drainage mechanism automatically shuts down after a preset time.

[0030] See attached Figure 2 and attached Figure 3 , the drainage mechanism 100 is a mechanical drainage pump that is integrally long and uses a stepper motor and a spring in cooperation. The main components include a housing composed of a lower box body 10 and a box cover 20, a motor 30, a runner 40 that mates with the motor shaft of the motor 30, a water plug 50, a transmission rope 60 that connects the runner 40 and the water plug 50, and a spring 70 with one end fixed to the lower box body 20 and the other end abutting against the water plug 50.

[0031] The motor 30 is arranged on the upper right side of the drainage mechanism 100 to keep the motor 30 as far away from the water level line as possible to improve its use reliability. The runner 40 is arranged below the motor 30 and fixed on the motor shaft and is driven by the motor 30. The runner 40 then drives the water plug 50 through the transmission rope 60. To facilitate the cooperation between the runner 40 and the transmission rope 60, a groove 41 is provided around the outer circumference of the runner, which is convenient for the transmission rope 60 to wind around the runner 40 and move.

[0032] A rotating shaft 80 is provided on the left side of the lower box body 10. The water plug 50 is generally in an "n" shape. One end of the water plug 50 is provided with a "C" - shaped notch 51, and the other end of the water plug 50 is fixedly provided with a rubber head 52 to improve the sealing performance of the water plug 50 in cooperation with the drain hole. The end of the water plug 50 with the "C" - shaped notch 51 is located inside the housing of the drainage mechanism 100, and the end with the rubber head 52 is located outside the housing of the drainage mechanism 100. The water plug 50 is rotatably fixedly connected to the rotating shaft 80 through the "C" - shaped notch 51. Since the existing general rotating shafts are generally large at both ends and small in the middle, the design of the "C" - shaped notch 51 solves the problem of the assembly of the water plug 50 and the rotating shaft 80.

[0033] When the motor 30 is in the off state, under the elastic force of the spring 70, the rubber head 52 of the water plug 50 cooperates with the drain hole of the chassis 200, and the drainage mechanism 100 is in the closed state. When the motor 30 rotates forward, the motor 30 drives the water plug 50 to rotate around the rotating shaft 80 through the runner 40 and the transmission rope 60, and the rubber head 52 of the water plug 50 is separated from the drain hole, thus realizing the opening of the drainage mechanism 100. When the motor 30 rotates in the reverse direction, the transmission rope 60 is released, and the rubber head 52 of the water plug 50 is re - mated with the drain hole under the elastic force of the spring 70, so that the drainage mechanism 100 returns to the closed state.

[0034] The drainage mechanism 100 is horizontally installed on the chassis 200 of the air conditioner. A sunken area with a depth of 2 mm - 3 mm is provided on the bottom plate 210 of the chassis 200, and the drain hole is arranged in this sunken area for easy drainage. The drainage mechanism 100 cooperates with the drain hole. The horizontal installation can greatly reduce the longitudinal space occupied by the drainage mechanism 100. In general, there is a relatively loose horizontal space inside the existing integrated air conditioner products. Therefore, the above design can make full use of the remaining space inside the product according to the existing layout of the product, so that there is no need to reserve longitudinal space for installing the drainage mechanism 100. The water plug 50 cooperates with the drain hole in a rotating manner, so that the water plug 50 and the drain hole do not need to be coaxially designed, which is one of the key points for realizing the horizontal installation of the drainage mechanism 100.

[0035] According to another embodiment of the present invention, refer to the appendix Figure 4 , the drainage mechanism 100 is a mechanical drain pump that is longitudinally installed on the chassis 200 and uses a float and a spring in cooperation. The drainage mechanism 100 includes a fixed seat 90, a spring 70, a connecting rod 91, a float 92, and a water plug 50. The float 92 and the water plug 50 are fixed on the connecting rod 91. A rubber head 52 is sleeved on the water plug 50, and the spring 70 is in a compressed state. When the drainage mechanism 100 is in the closed state, under the action of the elastic force of the spring 70, the rubber head 52 of the water plug 50 cooperates with the drain hole of the chassis 200, and the drain hole is in the closed state. When the water level rises and passes through the float 92, the buoyancy received by the water plug 50 is greater than the elastic force of the spring 70, and the water plug 50 moves upward, and the water is discharged from the drain hole. When the water level drops, the water plug 50 moves downward under the action of the elastic force of the spring 70, and the rubber head 52 cooperates with the drain hole again, and the drain hole returns to the closed state.

[0036] Inspired by the above ideal embodiments according to the present invention, through the above description, relevant workers can completely make various changes and modifications without departing from the scope of the present invention.

Claims

1. A cold and warm window air conditioner, comprising a chassis, a drainage mechanism and a water pumping motor, characterized in that, When the air conditioner is in the heating state, the drainage mechanism is activated according to the defrosting cycle of the air conditioner and / or the water level height of the chassis, and the drainage mechanism shuts down after running for a preset time; when the air conditioner is in the cooling state, the drainage mechanism is normally closed. The drainage mechanism is a mechanical drainage pump that uses a stepper motor and a spring in cooperation. The drainage mechanism includes a housing composed of a lower box body and a box cover. The drainage mechanism is horizontally installed on the chassis of the air conditioner. The drainage mechanism cooperates with a drainage hole. The drainage mechanism includes a motor, a runner that cooperates with the rotating shaft of the motor, a water plug, a transmission rope connecting the runner and the water plug, and a spring with one end fixed to the box body and the other end abutting against the water plug; the motor is arranged on the upper right side of the drainage mechanism, the runner is arranged below the motor, the water plug is arranged on the left side of the housing, the spring is in a compressed state, the water plug cooperates with the drainage hole in a rotating manner, and a circle of grooves is arranged on the outer circumference of the runner to facilitate the transmission rope to wind and move on the runner.

2. The cold and warm window air conditioner according to claim 1, characterized in that, When the air conditioner is in the cooling state, the condensed water generated by the air conditioner is pumped onto the condenser of the air conditioner by the water pumping motor to achieve self-evaporation.

3. The cold and warm window air conditioner according to claim 1, wherein After every two defrosting cycles of the air conditioner, the drainage mechanism starts to operate for one minute and then shuts down until the heating state ends.

4. The cold and warm window air conditioner according to claim 1, wherein, The air conditioner is provided with a drainage channel. The water inlet of the drainage channel is arranged on the bottom plate of the chassis, and the water outlet of the drainage channel is arranged on the chassis or outside the chassis.

5. The cold and warm window air conditioner according to claim 4, characterized in that The drainage mechanism is integrally in a long strip shape and is horizontally installed on the chassis.

6. The cold and warm window air conditioner according to claim 4, characterized in that, The drainage mechanism is vertically installed on the chassis. The drainage mechanism is a mechanical drainage pump that uses a float and a spring in cooperation.

7. The cold and warm window air conditioner according to claim 5, wherein A rotating shaft is arranged on the left side of the drainage mechanism. The diameter of the rotating shaft is large at both ends and small in the middle. The water plug is roughly in the shape of "n". The water plug is rotatably and fixedly connected to the rotating shaft. A "C" - shaped notch is fixedly arranged at one end of the water plug connected to the rotating shaft. A rubber head is arranged at the other end of the water plug. The end of the water plug with the rubber head is located outside the housing of the drainage mechanism.

8. The cold and warm window air conditioner according to claim 6, wherein The drainage mechanism includes a fixed seat, a spring, a connecting rod, a float, and a water plug. The float and the water plug are fixed on the connecting rod. The water plug is sleeved with a rubber head, and the spring is in a compressed state.

9. The cold and warm window air conditioner according to claim 4, characterized in that, The drainage mechanism includes any one of a transmission structure such as an electromagnetic pump, a hydraulic pump, a cam, and a lever.

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