Control system of central air conditioner

Abstract

The invention belongs to the technical field of air conditioners, and particularly relates to a control system of a central air conditioner, which comprises a box body, one side wall of the box body is fixedly communicated with a pipeline mechanism, the top of the box body is fixedly connected with an air volume control mechanism, the side wall of the box body is provided with a controller, and one end part of the pipeline mechanism is provided with an air exhaust dust removal mechanism. And a filtering mechanism is arranged in the box body. According to the device, the air exhaust dust removal mechanism is arranged, a motor is adopted to drive a driving lead screw to drive a dust collection frame to ascend and descend, a cleaning roller on the dust collection frame can conveniently achieve the up-and-down all-directional rolling cleaning process of a net plate, and dust sucked in the dust collection frame is sucked into a dust collection box through a hose under the cooperation of the dust collection box for use; and dust collection is achieved through an internal collection frame, the situation that dust is attached to the surface of the screen plate is prevented, air flowing is not affected, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of air conditioners, and particularly relates to a control system of a central air conditioner. BACKGROUND

[0002] The central air conditioning system is composed of one or more cold and heat source systems and multiple air conditioning systems, which is different from traditional refrigerant air conditioners (such as single machines and VRVs) in that air is centrally processed to meet comfort requirements. The principle of liquid gasification refrigeration is used to provide the required cold quantity for the air conditioning system to offset the heat load of the indoor environment; the heating system provides the required heat for the air conditioning system to offset the cold and heat load of the indoor environment. The central air conditioner can provide a comfortable temperature environment for people's life and work, and is therefore widely used.

[0003] The existing control system of the central air conditioner is inconvenient for controlling the air volume of the air conditioner, reduces the comfort of indoor personnel, and causes the filter screen of the air inlet to be blocked and covered with dust after long-time use of the equipment, which affects the airflow and causes the equipment to be difficult to dissipate heat and inhale air, thereby reducing the service life of the equipment. Therefore, a new type of building construction pipe cutting device needs to be improved. SUMMARY

[0004] In view of the defects of the prior art, the application provides a control system of a central air conditioner to achieve the above-mentioned purposes and solve the problems that the existing central air conditioner is difficult to control the air volume, and the filter screen of the external air inlet pipe of the equipment is blocked and covered with dust after long-time use, thereby affecting the use of the equipment.

[0005] To achieve the above-mentioned purposes, the application provides the following technical scheme: a control system of a central air conditioner, comprising a box body, a pipeline mechanism is fixedly and communicatively arranged on one side wall of the box body, an air volume control mechanism is fixedly connected to the top of the box body, a controller is installed on the side wall of the box body, an air extraction and dust removal mechanism is installed at one end of the pipeline mechanism, and a filter mechanism is arranged in the box body. The air extraction and dust removal mechanism comprises an air extraction device and a lifting piece, the lifting piece is arranged on both sides of the inner cavity of the air extraction device, the air extraction device comprises a fixed box, a mesh plate, a dust collection box, a collection frame, a dust collection frame, a cleaning roller and a hose, the top of the fixed box is connected with the dust collection box, the inner cavity of the dust collection box is provided with the collection frame, the bottom of the dust collection box is communicatively provided with the hose, the other end of the hose is connected with the dust collection frame, the inner cavity of the dust collection frame is provided with the cleaning roller, the two sides of the dust collection frame are provided with the lifting piece, the inner cavity of the fixed box is hollow, and the side wall of the fixed box is provided with the mesh plate.

[0006] As a preferred scheme, the lifting piece comprises a motor, a limiting groove, a drive screw and a bearing ring, limiting grooves are arranged on both sides of the inner cavity of the fixing box, a motor is installed on the top of the inner wall of the two limiting grooves, a drive screw is connected to the output end of the motor, and a bearing ring is rotatably connected to the top of the drive screw; the outer wall of the drive screw is slidably arranged on the two side walls of the dust absorption frame.

[0007] As a preferred scheme, the air volume control mechanism comprises a top box, a fan, a connecting pipe, a fixing support and a heat exchanger, the top of the box body is fixedly connected with a top box through bolts, the inner cavity of the top box is provided with a fan, the output end of the fan is connected with a connecting pipe, one side of the fan is provided with a fixing support, the connecting pipe penetrates through the top of the box body and extends into the inner cavity of the box body, and the inner cavity of the box body is provided with a heat exchanger.

[0008] As a preferred scheme, a plurality of heating pipes are formed between the heat exchanger and the connecting pipe, and a temperature sensor is arranged on the side wall of the box body.

[0009] As a preferred scheme, the filtering mechanism comprises a filtering frame, a filter screen, a non-woven fabric filter core and an activated carbon layer, the inner wall of the box body is fixedly provided with a filtering frame, the top of the filtering frame is provided with a filter screen, the inner wall bottom of the filtering frame is provided with a non-woven fabric filter core, the inner wall of the filtering frame is provided with an activated carbon layer, and the filter screen is arranged below the heat exchanger.

[0010] As a preferred scheme, a through hole is arranged on the right side of the box body, and the surface of the filtering frame is movably connected with the inner wall of the through hole.

[0011] As a preferred scheme, the pipeline mechanism comprises a return air pipe, a fresh air pipe and an adjusting valve, the right side of the box body is communicatively provided with a return air pipe, the left side wall of the box body is communicatively provided with a fresh air pipe, the top of the fresh air pipe is provided with an adjusting valve, and the other end of the fresh air pipe is communicatively provided with the fixing box.

[0012] As a preferred scheme, the input end of the controller is electrically connected with the output end of the temperature sensor, and the output end of the controller is electrically connected with the input end of the fan, the motor, the heating pipe and the adjusting valve respectively.

[0013] Compared with the prior art, the present application has at least the following advantages: 1、The air suction and dust removal mechanism is arranged, the dust absorption frame is driven to ascend and descend by the motor driving the drive screw, the cleaning roller on the dust absorption frame is used to realize the rolling cleaning process on the screen plate in all directions, the dust sucked in the dust absorption frame is sucked into the dust absorption box through the hose, and the dust is collected through the internal collecting frame, so that the adhesion of the dust on the surface of the screen plate is prevented, the air flow is not affected, and the service life of the equipment is improved.

[0014] 2、The air volume control system of the central air conditioner, when in use, can mix and adjust the air volume in the fresh air pipe and the air volume in the return air pipe in the room under the action of the fan, and can realize layer-by-layer filtration of impurities in the air through the filtering mechanism, further improve the air quality, and can realize temperature adjustment through the heat exchanger, the temperature sensor and the heating pipe, so as to improve the comfort of the user. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable a person skilled in the relevant art to implement and use the present disclosure.

[0016] Fig. 1 It is a three-dimensional structure schematic diagram of a central air conditioner control system; Fig. 2 It is an air extraction and dust removal mechanism structure explosion diagram of a central air conditioner control system; Fig. 3 It is a lifting piece structure analysis diagram of a central air conditioner control system; Fig. 4 It is a wind volume control mechanism schematic diagram of a central air conditioner control system; Fig. 5 It is a filtering mechanism structure explosion diagram of a central air conditioner control system; Fig. 6 It is a pipeline mechanism structure schematic diagram of a central air conditioner control system.

[0017] [Reference signs] 1, air extraction and dust removal mechanism; 11, air extraction device; 12, lifting piece; 101, fixed box; 102, screen plate; 103, cleaning roller; 104, dust extraction frame; 105, dust collection box; 106, collection frame; 107, hose; 108, motor; 109, drive lead screw; 110, bearing ring; 111, limiting groove; 2, pipeline mechanism; 201, fresh air pipe; 202, regulating valve; 203, return air pipe; 3, box body; 4, filtering mechanism; 401, filter screen; 402, activated carbon layer; 403, filter frame; 404, non-woven fabric filter core; 5, air volume control mechanism; 501, fixed support; 502, fan; 503, connecting pipe; 504, top box; 505, heating pipe; 506, heat exchanger; 507, temperature sensor; 6, controller.

[0018] As shown in the drawings, in order to clearly show the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application to the specific structures, devices and environments. Those skilled in the art can adjust or modify these devices and environments according to specific needs, and the adjustments or modifications still fall within the scope of the appended claims. DETAILED DESCRIPTION

[0019] The control system of the central air conditioner according to the present application will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement some known technologies; and the accompanying drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the present application.

[0020] It should be noted that in the specification, "one embodiment", "an embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiment can include a specific feature, structure or characteristic, but not necessarily every embodiment includes the specific feature, structure or characteristic. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it should be within the knowledge of those skilled in the art to implement such a feature, structure or characteristic in combination with other embodiments (whether or not explicitly described).

[0021] Generally, the terms can be understood at least in part from the context in which they are used. For example, depending at least in part upon the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular or can be used to describe combinations of features, structures, or characteristics, in the plural, without necessarily dictating what the scope of the claim is. In addition, the term "based on" can be understood as not necessarily requiring a set of factors to be exclusively considered by an entity, and can, instead, permit additional factors to be considered in addition to or in place of a particularly recited set of factors.

[0022] It can be understood that the meanings of "on", "over", and "above" in the present disclosure should be interpreted in the broadest way, so that "on" not only means "directly on" something, but also includes the meaning of "on" something with intervening features or layers therebetween, and "over" or "above" not only means the meaning of "over" or "above" something, but also can include the meaning of "over" or "above" something without intervening features or layers therebetween.

[0023] Moreover, spatially relative terms, such as "beneath", "below", "lower", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein can likewise be interpreted accordingly.

[0024] EMBODIMENT Please refer to Figs. 1 to 3 The application provides a technical scheme: a control system of a central air conditioner, comprising a box body 3, a pipeline mechanism 2 is fixedly and communicatively arranged on one side wall of the box body 3, a wind volume control mechanism 5 is fixedly connected to the top of the box body 3, a controller 6 is installed on the side wall of the box body 3, an air extraction and dust removal mechanism 1 is installed at one end of the pipeline mechanism 2, and a filtering mechanism 4 is arranged in the box body 3. The air extraction and dust removal mechanism 1 comprises an air extraction device 11 and lifting pieces 12, the lifting pieces 12 are arranged on both sides of the inner cavity of the air extraction device 11, the air extraction device 11 comprises a fixed box 101, a mesh plate 102, a dust collection box 105, a collection frame 106, a dust collection frame 104, a cleaning roller 103 and a hose 107, the top of the fixed box 101 is connected with the dust collection box 105, the inner cavity of the dust collection box 105 is provided with the collection frame 106, the bottom of the dust collection box 105 is communicatively provided with the hose 107, the other end of the hose 107 is connected with the dust collection frame 104, the inner cavity of the dust collection frame 104 is provided with the cleaning roller 103, the two sides of the dust collection frame 104 are provided with the lifting pieces 12, the inner cavity of the fixed box 101 is hollow, and the side wall of the fixed box 101 is provided with the mesh plate 102, the lifting pieces 12 comprise a motor 108, a limiting groove 111, a driving lead screw 109 and a bearing ring 110, the limiting grooves 111 are formed on both sides of the inner cavity of the fixed box 101, the inner walls of the two limiting grooves 111 are provided at the top with the motor 108, the output end of the motor 108 is connected with the driving lead screw 109, the top of the driving lead screw 109 is rotatably connected with the bearing ring 110, and the outer wall of the driving lead screw 109 is slidably arranged on the two side walls of the dust collection frame 104. The dust collection frame 104 arranged on the mesh plate 102 can utilize the dust collection box 105 to clean the surface of the mesh plate 102 by utilizing the motor to drive the cleaning roller 103, the motor 108 can drive the driving lead screw 109 to realize up and down movement, further realizing multi-layer cleaning of the surface of the mesh plate 102, and the driving lead screw 109 and the dust collection frame 104 are slidably arranged, which is used in cooperation to prevent the surface of the mesh plate 102 from being attached or blocked, improve the air circulation, and the hose 107 is elastically arranged, facilitating the suction of dust, and the collection of dust is completed through the collection frame 106.

[0025] As Figs. 4 to 6 shown, the air volume control mechanism 5 includes a top box 504, a fan 502, a connecting pipe 503, a fixed support 501 and a heat exchanger 506, the top of the box body 3 is fixedly connected with the top box 504 by bolts, the inner cavity of the top box 504 is provided with the fan 502, the output end of the fan 502 is connected with the connecting pipe 503, one side of the fan 502 is provided with the fixed support 501, the connecting pipe 503 penetrates through the top of the box body 3 and extends into the inner cavity of the box body 3, the inner cavity of the box body 3 is provided with the heat exchanger 506; a plurality of heating pipes 505 are formed between the heat exchanger 506 and the connecting pipe 503, the side wall of the box body 3 is provided with a temperature sensor 507; the filtering mechanism 4 includes a filtering frame 403, a filter screen 401, a non-woven fabric filter core 404 and an activated carbon layer 402, the inner wall of the box body 3 is fixedly provided with the filtering frame 403, the top of the filtering frame 403 is provided with the filter screen 401, the inner wall bottom of the filtering frame 403 is provided with the non-woven fabric filter core 404, the inner wall of the filtering frame 403 is provided with the activated carbon layer 402, and the filter screen 401 is arranged below the heat exchanger 506; a through hole is formed in the right side of the box body 3, and the surface of the filtering frame 403 is movably connected with the inner wall of the through hole; the pipeline mechanism 2 includes a return air pipe 203, a fresh air pipe 201 and an adjusting valve 202, the right side of the box body 3 is communicatively provided with the return air pipe 203, the left side wall of the box body 3 is communicatively provided with the fresh air pipe 201, the top of the fresh air pipe 201 is provided with the adjusting valve 202, and the other end of the fresh air pipe 201 is communicatively provided with the fixed box 101; the input end of the controller 6 is electrically connected with the output end of the temperature sensor 507, and the output end of the controller 6 is electrically connected with the input end of the fan 502, the motor 108, the heating pipe 505 and the adjusting valve 202 respectively.

[0026] It should be noted that the fresh air pipe 201 is arranged to introduce the external fresh air into the box body 3, the return air pipe 203 is arranged to facilitate the indoor air to flow into the inside of the box body 3 and mix with the fresh air, the adjusting valves 202 are arranged on the fresh air pipe 201 and the return air pipe 203 to adjust and control the air volume, and the filtering mechanism 4 is arranged to filter the fine particles in the air through the non-woven fabric filter core 404 and the activated carbon layer 402 on the filtering frame 403, the filtering frame 403 is arranged in the box body 3 and movably connected with the through hole in the box body 3, so that the filtering mechanism 4 can be taken out and cleaned, and the heat exchanger 506, the heating pipe 505 and the temperature sensor 507 are arranged to control the temperature, which greatly improves the temperature adjustment process, and the heat exchanger 506 is arranged to reduce heat loss in winter and recover air conditioning cold air in summer, the heating pipe 505 is arranged to heat the cold air, and the heating pipe 505 and the temperature sensor 507 are arranged to heat the fresh air.

[0027] The working principle of the above-mentioned embodiment is that: in use, when fresh air needs to be extracted, the fresh air pipe 201 can be extracted under the action of the fan 502, filtered through the mesh plate 102, and at the same time, the air return pipe 203 arranged at the other end can realize the process of inhaling the air in the room, and the regulating valve 202 arranged on the fresh air pipe 201 and the air return pipe 203 can adjust the proportion of the air suction and be used together, so that the mixture is realized in the box 3, when passing through the filtering mechanism 4, the non-woven fabric filter core 404 and the activated carbon layer 402 arranged in the filtering frame 403 can further filter the air, the non-woven fabric filter core 404 can filter larger particles, the activated carbon layer 402 can eliminate odors in the air, and the filter screen 401 arranged on the filtering frame 403 can further improve the filtering effect, and the heat exchanger 506 and the heating pipe 505 can adjust the temperature of the air, and the air can be controlled and heated or pre-cooled by cooperation, and when the mesh plate 102 needs to be cleaned, the motor 108 can drive the driving lead screw 109 at the bottom to realize the up-down lifting process of the dust collection frame 104 under the control of the controller 6, and the cleaning roller 103 on the dust collection frame 104 can realize the cleaning process of the surface of the mesh plate 102, and the cooperation can complete the cleaning, and the inhaled dust can be collected in the collection frame 106 for unified treatment.

[0028] The present application encompasses any substitutions, modifications, equivalent methods and solutions made to the essence and scope of the present application. In order to make the public have a thorough understanding of the present application, specific details are described in the following preferred embodiments of the present application, and the present application can also be fully understood without the description of these details to those skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the present application, well-known methods, processes, procedures, elements and circuits are not described in detail.

[0029] Those skilled in the art can understand that all or part of the steps in the above-mentioned embodiment method can be completed by programs instructing related hardware, and the programs can be stored in computer readable storage medium, such as ROM / RAM, magnetic disc, optical disc, etc.

[0030] The above-mentioned is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A control system for a central air conditioning system, comprising a housing (3), characterized in that: A pipe mechanism (2) is fixedly connected to one side wall of the box (3), an air volume control mechanism (5) is fixedly connected to the top of the box (3), a controller (6) is installed on the side wall of the box (3), an air extraction and dust removal mechanism (1) is installed at one end of the pipe mechanism (2), and a filter mechanism (4) is provided inside the box (3). The dust extraction mechanism (1) includes an extraction device (11) and a lifting component (12). The lifting component (12) is located on both sides of the inner cavity of the extraction device (11). The extraction device (11) includes a fixed box (101), a mesh plate (102), a dust collection box (105), a collection frame (106), a suction frame (104), a cleaning roller (103), and a hose (107). The top of the fixed box (101) is connected to the dust collection box (105). The inner cavity of the dust collection box (105) is provided with a collection frame (106), and a hose (107) is connected to the bottom of the dust collection box (105). The other end of the hose (107) is connected to a dust collection frame (104). The inner cavity of the dust collection frame (104) is provided with a cleaning roller (103), and lifting parts (12) are provided on both sides of the dust collection frame (104). The inner cavity of the fixed box (101) is hollow, and a mesh plate (102) is provided on one side wall of the fixed box (101).

2. The control system for a central air conditioning system according to claim 1, characterized in that: The lifting component (12) includes a motor (108), a limiting groove (111), a drive screw (109), and a bearing ring (110). The inner cavity of the fixed box (101) has limiting grooves (111) on both sides. The motor (108) is installed on the top of the inner wall of the two limiting grooves (111). The output end of the motor (108) is connected to the drive screw (109). The top of the drive screw (109) is rotatably connected to the bearing ring (110). The outer wall of the drive screw (109) is slidably disposed with the two side walls of the dust collection frame (104).

3. The control system for a central air conditioning system according to claim 1, characterized in that: The air volume control mechanism (5) includes a top box (504), a fan (502), a connecting pipe (503), a fixed bracket (501), and a heat exchanger (506). The top of the box (3) is fixedly connected to the top box (504) by bolts. The fan (502) is installed in the inner cavity of the top box (504). The output end of the fan (502) is connected to the connecting pipe (503). The fixed bracket (501) is installed on one side of the fan (502). The connecting pipe (503) passes through the top of the box (3) and extends into the inner cavity of the box (3). The heat exchanger (506) is installed in the inner cavity of the box (3).

4. A control system for a central air conditioning system according to claims 1 and 3, characterized in that: Multiple heating tubes (505) are formed between the heat exchanger (506) and the connecting pipe (503), and a temperature sensor (507) is provided on the side wall of the housing (3).

5. The control system for a central air conditioning system according to claim 1, characterized in that: The filtration mechanism (4) includes a filter frame (403), a filter screen (401), a non-woven filter core (404), and an activated carbon layer (402). The filter frame (403) is fixed to the inner wall of the housing (3). The filter screen (401) is provided on the top of the filter frame (403). The non-woven filter core (404) is provided at the bottom of the inner wall of the filter frame (403). The activated carbon layer (402) is provided on the inner wall of the filter frame (403). The filter screen (401) is located below the heat exchanger (506).

6. The control system for a central air conditioning system according to claim 5, characterized in that: The right side of the box (3) has a through hole, and the surface of the filter frame (403) is movably connected to the inner wall of the through hole.

7. The control system for a central air conditioning system according to claim 1, characterized in that: The ductwork (2) includes a return air duct (203), a fresh air duct (201), and a regulating valve (202). The right side of the housing (3) is connected to the return air duct (203), the left side wall of the housing (3) is connected to the fresh air duct (201), the top of the fresh air duct (201) is connected to the regulating valve (202), and the other end of the fresh air duct (201) is connected to the fixed box (101).

8. The control system for a central air conditioning system according to claim 1, characterized in that: The input terminal of the controller (6) is electrically connected to the output terminal of the temperature sensor (507), and the output terminal of the controller (6) is electrically connected to the input terminals of the fan (502), the motor (108), the heating tube (505) and the regulating valve (202).

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