High-precision heating ventilation air conditioner airflow distribution system

Abstract

The utility model discloses a high-precision heating ventilation air conditioner airflow distribution system, which relates to the technical field of heating ventilation and comprises a shell and a regulation and control unit. Gas distribution connectors are evenly fixed to the side face of the shell, the top face of the shell is correspondingly matched with the bottom face of the shell cover, and a gas conveying pipe is fixed to the middle of the top face of the shell cover; and the regulation and control unit comprises two electric telescopic rods, a fixing plate, a sealing block and a mounting frame, the two electric telescopic rods are correspondingly fixed to the side face of the shell front and back, the inner side ends of the electric telescopic rods are connected with one end of the outer side face of the fixing plate, and a mounting groove is formed in the middle of the fixing plate. According to the high-precision heating ventilation air conditioner airflow distribution system, the electric telescopic rod is adopted to enable the sealing block to be matched with the interior of the air distribution connector so that airflow can be distributed to different air outlet pipes, the air flow rate sensor can detect the air outlet amount, the motor is started to adjust the height of the flow limiting plate, and then the flow rate of air in the air outlet pipes is limited.

Description

Technical Field

[0001] The utility model relates to the technical field of heating and ventilation, in particular to a high-precision heating and ventilation air conditioning air flow distribution system. Background Art

[0002] HVAC refers to the system or related equipment responsible for heating, ventilation and air conditioning in a room or car. The HVAC system can control the temperature and humidity of the air and improve the indoor comfort. With the pace and development of society, the environmental protection and energy saving of HVAC have been gradually improved, becoming an important part of medium and large industrial buildings or office buildings (such as skyscrapers).

[0003] However, when traditional HVAC is currently performing temperature control, the central air conditioner needs to transport cold and warm air flows into the room through pipes to achieve the effect of temperature control. Since the central air conditioner has a large adjustment range and is generally composed of a main pipe and multiple branch pipes, when adjusting, the central air conditioner uniformly reduces or increases the air flow to achieve the effect of temperature control, which results in slower air flow delivery, and therefore slower air flow temperature control speed. It is impossible to perform a single wind speed adjustment on the branch pipe, which makes the HVAC less practical. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a high-precision HVAC air flow distribution system. An electric telescopic rod is used to make the sealing block and the internal part of the air distribution connector cooperate to distribute the airflow to different outlet pipes, and the air flow rate sensor can detect the air outlet volume, so as to start the motor to adjust the height of the flow limiting plate, thereby limiting the flow rate of the gas in the outlet pipe, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision HVAC air flow distribution system, comprising a housing and a control unit;

[0006] The side surfaces of the shell are evenly fixed with gas distribution connectors, the top surface of the shell corresponds to the bottom surface of the shell cover, and a gas delivery pipe is fixed in the middle of the top surface of the shell cover;

[0007] The control unit comprises an electric telescopic rod, a fixing plate, a sealing block and a mounting frame, wherein the electric telescopic rod has two and is fixed to the side of the housing in front and back correspondence, the inner end of the electric telescopic rod is connected to one end of the outer side of the fixing plate, a mounting groove is provided in the middle of the fixing plate, mounting frames are fixed at both ends of the outer side of the sealing block, and the mounting frames are correspondingly engaged with the mounting groove in the middle of the fixing plate;

[0008] Wherein, it also includes a controller, which is arranged on the top surface of the shell cover, the input end of the electric telescopic rod is electrically connected to the output end of the controller, and the input end of the controller is electrically connected to the output end of an external power supply.

[0009] The gas distribution connector is connected to the external air outlet pipe. The electric telescopic rod is started to drive the fixed plate to move so that the sealing block cooperates with the inside of the gas distribution connector. In this way, the gas entering from the gas pipe can be distributed to different air outlet pipes to meet the use of HVAC.

[0010] Furthermore, the control unit also includes a flow limiting plate, a sealing strip, a limit frame, a screw and a motor. The motor is fixed on the bottom surface of the air distribution connector, the output shaft of the motor is connected to the bottom end of the screw, the limit frame is fixed inside the air distribution connector, the internal sliding connection of the limit frame is connected to the flow limiting plate, the screw hole in the middle of the flow limiting plate is threadedly connected to the screw, the left and right sides of the flow limiting plate are bonded with sealing strips, the input end of the motor is electrically connected to the output end of the controller, the motor drives the screw to rotate, so that the flow limiting plate is raised and lowered inside the limit frame, so that the flow rate of the airflow in the outlet pipe can be controlled in a single way to prevent the problem of slow airflow delivery.

[0011] Furthermore, the control unit also includes an air flow rate sensor, which is installed at the outer end of the air distribution connector. The output end of the air flow rate sensor is electrically connected to the input end of the controller. The air flow rate sensor can detect the speed of the air flow inside the air distribution connector, thereby facilitating subsequent automatic adjustment according to usage conditions.

[0012] Furthermore, it also includes a fixing frame and a filter. The fixing frame is fixed to the bottom surface of the shell cover, and the filter is inserted into the interior of the fixing frame. The filter inserted into the interior of the fixing frame can filter harmful substances in the airflow, thereby increasing the safety of the airflow blown out by the HVAC.

[0013] Furthermore, it also includes a sealing ring and an insert block, wherein insert blocks are fixed on both sides of the bottom surface of the sealing ring, and the insert blocks are correspondingly plugged into the slots on the top surface of the shell. The insert blocks are inserted into the slots to fix the sealing ring to increase the sealing of the connection and prevent air leakage.

[0014] Furthermore, it also includes a wireless transmitter, which is installed on the bottom surface of the shell, and the output end of the wireless transmitter is electrically connected to the input end of the controller. The wireless transmitter can transmit information data of airflow distribution to personnel for review in a timely manner to facilitate subsequent adjustments.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Start the electric telescopic rod to drive the fixed plate to move, so that the sealing block matches the inside of the gas distribution connector, so that the gas entering from the gas pipeline can be distributed to different outlet pipes to meet the high-precision distribution of HVAC airflow;

[0017] 2. The air velocity sensor can detect the velocity of the air flow inside the air distribution connector, and then the motor is started to drive the screw to rotate, so that the flow limiter plate can be raised and lowered inside the limit frame. In this way, the flow velocity of the air flow in the air outlet pipe can be controlled in a single way to prevent the problem of slow air flow.

[0018] 3. The filter inserted inside the fixed frame can filter harmful substances in the air flow, which can increase the safety of the air flow blown out by the HVAC. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the control unit of the utility model;

[0021] Figure 3 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0022] In the figure: 1 shell, 2 control unit, 21 electric telescopic rod, 22 fixing plate, 23 sealing block, 24 mounting frame, 25 flow limiting plate, 26 sealing strip, 27 limiting frame, 28 screw, 29 motor, 210 air flow rate sensor, 3 air distribution connector, 4 shell cover, 5 air supply pipe, 6 fixing frame, 7 filter, 8 sealing ring, 9 plug-in block, 10 wireless transmitter, 11 controller. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 The present embodiment provides a technical solution: a high-precision HVAC air flow distribution system, comprising a shell 1 and a control unit 2; air distribution connectors 3 are evenly fixed on the side of the shell 1, the top surface of the shell 1 corresponds to the bottom surface of the shell cover 4, and an air supply pipe 5 is fixed in the middle of the top surface of the shell cover 4.

[0025] Among them, the control unit 2 includes an electric telescopic rod 21, a fixed plate 22, a sealing block 23 and a mounting frame 24. There are two electric telescopic rods 21, which are fixed to the side of the shell 1 in front and back correspondence. The inner end of the electric telescopic rod 21 is connected to one end of the outer side of the fixed plate 22. A mounting groove is opened in the middle of the fixed plate 22. Both ends of the outer side of the sealing block 23 are fixed with mounting frames 24, and the mounting frames 24 are correspondingly engaged with the mounting grooves in the middle of the fixed plate 22; the control unit 2 also includes a current limiting plate 25, a sealing strip 26, a limit frame 27, a screw 28 and a motor 29. The motor 29 is fixed to the bottom surface of the gas distribution connector 3, and the output shaft of the motor 29 is connected to the bottom end of the screw 28. The limit frame 27 is fixed to the inside of the gas distribution connector 3, and the internal sliding connection of the limit frame 27 is limited. The plate 25, the screw hole in the middle of the flow limiting plate 25 is threadedly connected with the lead screw 28, and the left and right sides of the flow limiting plate 25 are bonded with sealing strips 26. The input end of the motor 29 is electrically connected to the output end of the controller 11. The motor 29 drives the lead screw 28 to rotate, so that the flow limiting plate 25 is lifted and lowered in the limiting frame 27. In this way, the flow rate of the airflow in the air outlet pipe can be controlled in a single way to prevent the problem of slow airflow delivery. The control unit 2 also includes an air flow rate sensor 210, which is installed at the outer end of the air distribution connector 3. The output end of the air flow rate sensor 210 is electrically connected to the input end of the controller 11. The air flow rate sensor 210 can detect the speed of the airflow inside the air distribution connector 3, so as to facilitate subsequent automatic adjustment according to usage conditions;

[0026] It also includes a controller 11, which is arranged on the top surface of the shell cover 4. The input end of the electric telescopic rod 21 is electrically connected to the output end of the controller 11, and the input end of the controller 11 is electrically connected to the output end of the external power supply. The gas distribution connector 3 is connected to the external air outlet pipe. Starting the electric telescopic rod 21 drives the fixed plate 22 to move, so that the sealing block 23 cooperates with the inside of the gas distribution connector 3. In this way, the gas entering from the gas supply pipe 5 can be distributed to different air outlet pipes to meet the use of HVAC.

[0027] It also includes a fixing frame 6 and a filter 7. The fixing frame 6 is fixed to the bottom surface of the shell cover 4. The filter 7 is inserted into the interior of the fixing frame 6. The filter 7 inserted into the interior of the fixing frame 6 can filter harmful substances in the airflow, thereby increasing the safety of the airflow blown out by the HVAC.

[0028] It also includes a sealing ring 8 and an insert block 9. The insert blocks 9 are fixed on both sides of the bottom surface of the sealing ring 8. The insert blocks 9 are correspondingly plugged into the slots on the top surface of the shell 1. The insert blocks 9 are inserted into the slots to fix the sealing ring 8 to increase the sealing of the connection and prevent air leakage.

[0029] It also includes a wireless transmitter 10, which is installed on the bottom surface of the shell 1. The output end of the wireless transmitter 10 is electrically connected to the input end of the controller 11. The wireless transmitter 10 can transmit information data of airflow distribution to personnel for review in a timely manner to facilitate subsequent adjustments.

[0030] The working principle of the utility model is as follows:

[0031] First, install the shell cover 4 to the top surface of the shell 1, and the plug block 9 is plugged into the slot on the top surface of the shell 1. The plug block 9 is inserted into the slot to fix the sealing ring 8 to increase the sealing of the connection and prevent air leakage. The air outlet pipe is installed to the outside of the air flow sensor 210, and the air flow enters the shell 1 from the air supply pipe 5. The electric telescopic rod 21 is started to drive the fixing plate 22 to move, so that the sealing block 23 cooperates with the inside of the gas distribution connector 3, so that the gas entering from the air supply pipe 5 can be distributed to different outlet pipes to meet the use of HVAC;

[0032] At the same time, the motor 29 drives the screw 28 to rotate, so that the flow limiting plate 25 can be raised and lowered inside the limiting frame 27. In this way, the flow rate of the airflow in the outlet pipe can be controlled in a single way to prevent the problem of slow airflow delivery, while improving the accuracy of HVAC airflow distribution. The air flow rate sensor 210 can detect the speed of the airflow inside the air distribution connector 3 to adjust the airflow distribution amount according to usage, and the wireless transmitter 10 can transmit the information data of the airflow distribution to personnel in a timely manner for viewing, so as to facilitate subsequent adjustments.

[0033] It is worth noting that the controller 11 disclosed in the above embodiment uses the model S7-200, the motor 29 can be freely configured according to the actual application scenario, and it is recommended to use the motor model SC-25GA300, the air flow rate sensor 210 can use the air flow rate sensor model RS485, and the wireless transmitter 10 can use the wireless transmitter model WJL-207. The controller 11 controls the electric telescopic rod 21, the motor 29, the air flow rate sensor 210 and the wireless transmitter 10 to work using the methods commonly used in the prior art.

[0034] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high-precision HVAC air flow distribution system, characterized in that: It comprises a housing (1) and a control unit (2); The side surfaces of the shell (1) are evenly fixed with gas distribution connectors (3); the top surface of the shell (1) corresponds to the bottom surface of the shell cover (4); and a gas delivery pipe (5) is fixed in the middle of the top surface of the shell cover (4); The control unit (2) comprises an electric telescopic rod (21), a fixing plate (22), a sealing block (23) and a mounting frame (24); the electric telescopic rod (21) has two and is fixed to the side surface of the housing (1) in front and back correspondence; the inner end of the electric telescopic rod (21) is connected to one end of the outer side surface of the fixing plate (22); a mounting groove is provided in the middle of the fixing plate (22); mounting frames (24) are fixed to both ends of the outer side surface of the sealing block (23); the mounting frames (24) are correspondingly engaged with the mounting groove in the middle of the fixing plate (22); It also includes a controller (11), the controller (11) is arranged on the top surface of the shell cover (4), the input end of the electric telescopic rod (21) is electrically connected to the output end of the controller (11), and the input end of the controller (11) is electrically connected to the output end of an external power supply.

2. A high-precision HVAC air flow distribution system according to claim 1, characterized in that: The control unit (2) further comprises a flow limiting plate (25), a sealing strip (26), a limiting frame (27), a lead screw (28) and a motor (29); the motor (29) is fixed to the bottom surface of the gas distribution connector (3); the output shaft of the motor (29) is connected to the bottom end of the lead screw (28); the limiting frame (27) is fixed inside the gas distribution connector (3); the inside of the limiting frame (27) is slidably connected to the flow limiting plate (25); the screw hole in the middle of the flow limiting plate (25) is threadedly connected to the lead screw (28); the left and right sides of the flow limiting plate (25) are bonded with sealing strips (26); and the input end of the motor (29) is electrically connected to the output end of the controller (11).

3. A high-precision HVAC air flow distribution system according to claim 1, characterized in that: The control unit (2) further comprises an air flow rate sensor (210), wherein the air flow rate sensor (210) is mounted on the outer end of the air distribution connector (3), and the output end of the air flow rate sensor (210) is electrically connected to the input end of the controller (11).

4. A high-precision HVAC air flow distribution system according to claim 1, characterized in that: It also comprises a fixing frame (6) and a filter screen (7), wherein the fixing frame (6) is fixed on the bottom surface of the shell cover (4), and the filter screen (7) is inserted into the interior of the fixing frame (6).

5. A high-precision HVAC air flow distribution system according to claim 1, characterized in that: It also comprises a sealing ring (8) and an insert block (9), wherein the insert blocks (9) are fixed on both sides of the bottom surface of the sealing ring (8), and the insert blocks (9) are correspondingly inserted into the slots on the top surface of the shell (1).

6. A high-precision HVAC air flow distribution system according to claim 1, characterized in that: It also comprises a wireless transmitter (10), which is mounted on the bottom surface of the housing (1), and an output end of the wireless transmitter (10) is electrically connected to an input end of the controller (11).

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