Energy-saving control equipment of VAV air conditioning system

Abstract

The utility model discloses energy-saving control equipment for a VAV air conditioning system, which relates to the technical field of VAV air conditioning systems and comprises a variable air volume terminal control box group and a control assembly, a protection frame group is mounted outside the variable air volume terminal control box group, the control assembly is mounted on one side of the variable air volume terminal control box group, and the protection frame group is mounted on the other side of the variable air volume terminal control box group. An air outlet pipe is installed on the side, away from the control assembly, of the variable air volume tail end control box set. According to the energy-saving control equipment for the VAV air conditioning system, through connection and use of the supporting frame and cooperation of sliding connection between the front box body and the supporting frame, the air valve body connected with the energy-saving control equipment can be synchronously disassembled and assembled along with disassembly and assembly of the supporting frame, and therefore workers can conveniently carry out equipment maintenance on the air valve body; and in addition, the left filtering assembly and the right filtering assembly are matched with the structure of the variable air volume tail end control box set, so that the effective air filtering effect is provided, and meanwhile, the filter element is convenient to disassemble, assemble and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of VAV air conditioning systems, in particular to energy-saving control equipment for VAV air conditioning systems. Background Art

[0002] VAV air conditioning system, or variable air volume air conditioning system, is a new type of air conditioning method that adjusts and controls the temperature of a certain area by changing the air supply volume instead of the air supply temperature. This system automatically adjusts the air supply volume of the air conditioning system according to the changes in the indoor load or the changes in the indoor required parameters, thereby ensuring the indoor temperature requirements. The VAV system can independently control the temperature of each room according to the use requirements of different rooms. Each terminal can be equipped with its own temperature controller. According to the changes in the load of the controlled area or personal requirements, the ambient temperature can be set by itself and the air supply volume can be adjusted to achieve independent control of each local area. Compared with constant air volume air conditioning, the VAV system can effectively adjust the temperature of a local area to avoid overcooling or overheating in the local area.

[0003] There are various types of variable air volume air conditioning systems, all of which are composed of four basic parts: variable air volume terminal device (variable air volume air conditioning box, room thermostat), air handling and delivery equipment, duct system (fresh air / exhaust air / supply air / return air ducts) and automatic control system. For example, the utility model with application number 202122924811.9 discloses a VAV air conditioning system energy-saving control device. The VAV air conditioning system energy-saving control device connects the air valves in the two air inlets in series through an air valve adjustment component, thereby improving the control efficiency of the controller and facilitating subsequent maintenance and inspection. At the same time, the two air valve blades arranged perpendicular to each other can meet the adjustment of the air intake volume by the traditional air volume terminal control device, and the overall structure of the air valve adjustment component is simple and easy to install and replace. However, similar to the VAV air conditioning system energy-saving control device in the above-mentioned document, the internal air valve adjustment component is fixedly installed inside the variable air volume terminal control box. During structural maintenance, it not only occupies the operable space inside the variable air volume terminal control box, but also its structure is relatively complex, making it more cumbersome, time-consuming and labor-intensive to carry out operations and maintenance in a narrow space.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a VAV air conditioning system energy-saving control device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a VAV air conditioning system energy-saving control device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: VAV air-conditioning system energy-saving control equipment, including a variable air volume terminal control box group and a control component, the variable air volume terminal control box group is externally installed with a protection frame group, the control component is installed on one side of the variable air volume terminal control box group, and the side of the variable air volume terminal control box group away from the control component is installed with an air outlet duct, and the inside of the variable air volume terminal control box group is symmetrically installed with a diamond-shaped air dividing block, and the middle of one end of the variable air volume terminal control box group close to the air outlet duct is respectively installed with a left filter component and a right filter component, and the left and right parts of the left and right parts of the left and right parts of the left and right parts of the right filter component are threadedly connected with fastening bolts, the control component includes a support frame, a connecting flange, a return air inlet pipe, an air inlet pipe and an air valve body, the edge of the side of the support frame away from the air outlet duct is installed with a connecting flange, and the outer surface of the front side elevation of the support frame is respectively connected with the return air inlet pipe and the air inlet pipe with flanges on the left and right sides, and the return air inlet pipe and the air inlet pipe are connected with the air valve body at one end close to the air outlet duct.

[0007] Furthermore, the variable air volume terminal control box group includes a front box body, a docking flange, a rear box body and a guide rail. A docking flange is installed on the edge surface of one end of the front box body away from the air outlet duct, and a rear box body is arranged on the end of the front box body away from the docking flange, and guide rails are installed on the opposite edge surfaces of the front box body and the rear box body.

[0008] Furthermore, the docking flange and the connecting flange are threadedly connected, and the structures at the docking points between the docking flange and the connecting flange match each other. The guide rails are installed on one side of the front box and the rear box close to the left filter assembly and the right filter assembly respectively using an embedded structure.

[0009] Furthermore, the protection frame assembly includes a reinforcement frame, a protective plate and a stabilizing frame. The protective plates are installed on both upper and lower sides of the reinforcement frame, and the stabilizing frame is symmetrically installed inside the reinforcement frame.

[0010] Furthermore, the support frame is arranged in an "I"-shaped structure, and the support frame is slidably installed at one end inside the front box body.

[0011] Furthermore, the left filter assembly includes a sealing frame, a filter element, a connecting frame and a docking block. The filter element is installed in the middle of the sealing frame, and connecting frames are installed on the upper and lower surfaces of the sealing frame. In addition, docking blocks are installed on the upper and lower sides of the sealing frame close to the vertical central axis of the variable air volume terminal control box group.

[0012] Furthermore, the threads of the fastening bolts penetrate the left and right sides of the docking block, and the connecting frame and the guide rail are slidably connected.

[0013] Furthermore, the right filter assembly and the left filter assembly are arranged between the air outlet pipe and the diamond-shaped air distribution block, and the right filter assembly and the left filter assembly have the same structure.

[0014] The utility model provides a VAV air conditioning system energy-saving control device, which has the following beneficial effects:

[0015] 1. The utility model installs the air valve body on both sides of the inner part of the support frame of the "I"-shaped structure, and adopts a sliding connection structure between the support frame and the inner part of the front box body, so that after the connecting flange and the docking flange for connecting the support frame and the front box body are disassembled, the air valve body can be disassembled synchronously with the support frame. The use of the above structure not only simplifies the device structure, but also makes the equipment structure have a certain modularity to facilitate maintenance by operators. In addition, since the air valve body is taken out from the inner part of the front box body along with the disassembly of the support frame, the internal maintenance and cleaning of the entire variable air volume terminal control box group becomes sufficient to have an operational space, thereby avoiding the problem of inconvenience in operation caused by structural interference.

[0016] 2. The utility model installs a left filter assembly and a right filter assembly between the front box body and the rear box body, wherein the left filter assembly and the right filter assembly utilize connecting frames on the upper and lower surfaces of the sealing frame and a sliding connection formed by guide rails arranged on the opposite sides of the front box body and the rear box body, so that the filter element can be quickly pulled out from the interior of the entire variable air volume terminal control box group in the horizontal direction and replaced or cleaned, thereby ensuring the flexibility and convenience of the structure and avoiding the inconvenience caused by space limitations during the maintenance of the filter element, or the problem of excessive space occupation caused by disassembling and assembling the filter element.

[0017] 3. The utility model, by installing a protective frame group around the outside of the variable air volume terminal control box group, wherein a relatively dense frame structure is formed by the combination of a reinforcing frame and a stabilizing frame, can effectively reduce the structural collision of the side surface of the entire variable air volume terminal control box group during movement and transportation, and at the same time, with the use of a protective plate made of sound-absorbing material, on the one hand, it can further provide a structural protection buffer effect, and on the other hand, it can absorb and alleviate the vibration or noise generated inside the variable air volume terminal control box group when conveying air to the greatest extent. The use of the above-mentioned simple structural facilities can not only play a good protective role, but also minimize noise pollution when the entire device is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the disassembled structure of the main body of the VAV air conditioning system energy-saving control device of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the main body of the VAV air conditioning system energy-saving control device of the utility model;

[0020] Figure 3It is a three-dimensional structural diagram of the protection frame group of the energy-saving control device of the VAV air-conditioning system of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the left filter component of the VAV air conditioning system energy-saving control device of the utility model.

[0022] In the figure: 1. variable air volume terminal control box group; 101. front box body; 102. docking flange; 103. rear box body; 104. guide rail; 2. protection frame group; 201. strengthening frame; 202. protective plate; 203. stabilizing frame; 3. control component; 301. support frame; 302. connecting flange; 303. return air inlet pipe; 304. air inlet pipe; 305. air valve body; 4. air outlet pipe; 5. diamond-shaped air distribution block; 6. left filter assembly; 601. sealing frame; 602. filter element; 603. connecting frame; 604. docking block; 7. right filter assembly; 8. fastening bolts. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] like Figures 1 to 4 As shown, the VAV air conditioning system energy-saving control device includes a variable air volume terminal control box group 1 and a control component 3, the variable air volume terminal control box group 1 is externally installed with a protection frame group 2, the control component 3 is installed on one side of the variable air volume terminal control box group 1, and the variable air volume terminal control box group 1 is installed with an air outlet duct 4 on the side away from the control component 3, and the variable air volume terminal control box group 1 is symmetrically installed with a diamond-shaped air dividing block 5, and the middle of one end of the variable air volume terminal control box group 1 close to the air outlet duct 4 is respectively installed with a left filter component 6 and a right filter component 7 on the left and right, and the left filter component 6 and the right filter component 7 are threadedly connected at the joint. The control component 3 includes a support frame 301, a connecting flange 302, a return air inlet duct 303, an air inlet duct 304 and an air valve body 305, and the support frame 301 A connecting flange 302 is installed on the edge of the side away from the air outlet duct 4, and the outer surface of the front side elevation of the support frame 301 is flange-connected with the return air inlet duct 303 and the air inlet duct 304 on the left and right sides respectively, and the return air inlet duct 303 and the air inlet duct 304 are connected to the air valve body 305 at one end close to the air outlet duct 4, the support frame 301 is arranged in an "I"-shaped structure, and the support frame 301 is slidably installed on one end inside the front box body 101, by installing the air valve body 305 on both sides of the support frame 301 of the "I"-shaped structure, and at the same time, the support frame 301 and the interior of the front box body 101 adopt a sliding connection structure, so that after the connecting flange 302 and the docking flange 102 used to connect the support frame 301 and the front box body 101 are disassembled, the air valve body 305 can be disassembled synchronously with the support frame 301.

[0025] like Figures 1 to 4 As shown, the variable air volume terminal control box group 1 includes a front box body 101, a docking flange 102, a rear box body 103 and a guide rail 104. The docking flange 102 is installed on the edge surface of one end of the front box body 101 away from the air outlet 4, and the rear box body 103 is provided at the end of the front box body 101 away from the docking flange 102, and the guide rail 104 is installed on the edge surfaces of the front box body 101 and the rear box body 103 at opposite ends. The docking flange 102 is threadedly connected to the connecting flange 302, and the docking structures of the docking flange 102 and the connecting flange 302 match each other. The guide rail 104 adopts an embedded structure and is respectively installed on one side of the front box body 101 and the rear box body 103 close to the left filter component 6 and the right filter component 7, to ensure The guard frame group 2 includes a reinforcement frame 201, a protective plate 202 and a stabilizing frame 203. The protective plates 202 are installed on the upper and lower sides of the reinforcement frame 201, and the stabilizing frame 203 is symmetrically installed inside the reinforcement frame 201. The combination of the reinforcement frame 201 and the stabilizing frame 203 forms a relatively dense frame structure, which can effectively reduce the structural collision of the side surface of the entire variable air volume terminal control box group 1 during movement and transportation. At the same time, the use of the protective plate 202 made of sound-absorbing material can further provide structural protection and buffering on the one hand, and on the other hand, it can absorb and alleviate the vibration or noise generated inside the variable air volume terminal control box group 1 when conveying air to the greatest extent.

[0026] like Figures 1 to 4 As shown, the left filter assembly 6 includes a sealing frame 601, a filter element 602, a connecting frame 603 and a docking block 604. The filter element 602 is installed in the middle of the sealing frame 601, and the connecting frames 603 are installed on the upper and lower surfaces of the sealing frame 601. In addition, the sealing frame 601 is close to the vertical central axis of the variable air volume terminal control box group 1. The upper and lower sides are installed with docking blocks 604, and the fastening bolts 8 are threadedly penetrated on the left and right sides of the docking block 604. The connecting frame 603 and the guide rail 104 are slidably connected. The right filter assembly The right filter assembly 7 and the left filter assembly 6 are arranged between the air outlet duct 4 and the diamond-shaped air distribution block 5, and the right filter assembly 7 and the left filter assembly 6 have the same structure, wherein the left filter assembly 6 and the right filter assembly 7 utilize the connecting frame 603 on the upper and lower surfaces of the sealing frame 601, and cooperate with the sliding connection formed by the guide rail 104 arranged on the opposite side of the front box body 101 and the rear box body 103, so that the filter element 602 can be quickly pulled out in the horizontal direction from the inside of the entire variable air volume terminal control box group 1, and it can be replaced or cleaned.

[0027] In summary, if Figures 1 to 4As shown, when the VAV air conditioning system energy-saving control device is used, first, when the variable air volume terminal control box group 1 is in the process of moving and transporting, the externally connected strengthening frame 201 and the stabilizing frame 203 can play a good role in frame protection, and at the same time, it is convenient for the operator to use the strengthening frame 201 in conjunction with ropes and other structures to limit and fix the entire device, and the protective plate 202 further provides external protection;

[0028] When the whole device is maintained, the connecting flange 302 and the docking flange 102 connected by the flange structure are structurally disassembled, and then the whole protection frame group 2 can be pulled out from one end of the variable air volume terminal control box group 1. As the support frame 301 is pulled out, the air valve body 305 installed on both sides of the interior is taken out synchronously. At this time, the interior of the front box body 101 is in an evacuated structural state, so that the operator has enough space to perform maintenance operations therein. At the same time, the return air inlet pipe 303 and the air inlet pipe 304 on one side of the support frame 301 are also structurally supported by the support frame 301 by means of flange connection, and can also be flexibly disassembled in structure to facilitate the inspection and maintenance of each structure.

[0029] When the left filter assembly 6 and the right filter assembly 7 need to be processed, first unscrew the fastening bolts 8 in the docking block 604 that threads through the left filter assembly 6 and the right filter assembly 7 one by one, and then the sliding connection structure of the connecting frame 603 and the guide rail 104 can be used to pull the sealing frame 601 installed with the filter element 602 out horizontally to the left and right sides respectively. After cleaning and maintaining the filter element 602, the structure can be reset in the above manner.

[0030] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A VAV air conditioning system energy-saving control device, comprising a variable air volume terminal control box group (1) and a control component (3), characterized in that: The variable air volume terminal control box group (1) is provided with a protective frame group (2) on the outside, the control component (3) is provided on one side of the variable air volume terminal control box group (1), and an air outlet duct (4) is provided on the side of the variable air volume terminal control box group (1) away from the control component (3), and a diamond-shaped air distribution block (5) is provided symmetrically on the left and right inside the variable air volume terminal control box group (1), and a left filter component (6) and a right filter component (7) are provided on the left and right sides of the middle of one end of the variable air volume terminal control box group (1) close to the air outlet duct (4), and screws are provided at the joint between the left filter component (6) and the right filter component (7). The control assembly (3) comprises a support frame (301), a connecting flange (302), a return air inlet pipe (303), an air inlet pipe (304) and an air valve body (305); a connecting flange (302) is installed on an edge of a side of the support frame (301) away from the air outlet pipe (4); and the outer surface of the front side elevation of the support frame (301) is respectively connected to the return air inlet pipe (303) and the air inlet pipe (304) by flanges on the left and right sides; and the return air inlet pipe (303) and the air inlet pipe (304) are connected to the air valve body (305) at one end close to the air outlet pipe (4).

2. The VAV air conditioning system energy-saving control device according to claim 1, characterized in that: The variable air volume terminal control box group (1) comprises a front box body (101), a docking flange (102), a rear box body (103) and a guide rail (104); the docking flange (102) is installed on the edge surface of one end of the front box body (101) away from the air outlet pipe (4); the rear box body (103) is arranged on the end of the front box body (101) away from the docking flange (102); and the guide rail (104) is installed on the edge surfaces of the front box body (101) and the rear box body (103) at opposite locations.

3. The VAV air conditioning system energy-saving control device according to claim 2, characterized in that: The butt flange (102) and the connecting flange (302) are threadedly connected, and the structures of the butt flange (102) and the connecting flange (302) match each other. The guide rail (104) is installed on one side of the front box body (101) and the rear box body (103) close to the left filter assembly (6) and the right filter assembly (7) respectively using an embedded structure.

4. The VAV air conditioning system energy-saving control device according to claim 3, characterized in that: The protection frame assembly (2) comprises a reinforcement frame (201), a protection plate (202) and a stabilizing frame (203); the protection plates (202) are installed on both upper and lower sides of the reinforcement frame (201); and the stabilizing frame (203) is symmetrically installed inside the reinforcement frame (201).

5. The VAV air conditioning system energy-saving control device according to claim 2, characterized in that: The support frame (301) is arranged in an "I"-shaped structure, and the support frame (301) is slidably mounted on one end inside the front box body (101).

6. The VAV air conditioning system energy-saving control device according to claim 2, characterized in that: The left filter assembly (6) comprises a sealing frame (601), a filter element (602), a connecting frame (603) and a docking block (604); the filter element (602) is installed in the middle of the sealing frame (601), and the connecting frames (603) are installed on the upper and lower surfaces of the sealing frame (601); and the docking blocks (604) are installed on the upper and lower sides of the sealing frame (601) close to the vertical central axis of the variable air volume terminal control box group (1).

7. The VAV air conditioning system energy-saving control device according to claim 6, characterized in that: The fastening bolts (8) are threadedly inserted into the left and right sides of the docking block (604), and the connecting frame (603) and the guide rail (104) are slidably connected.

8. The VAV air conditioning system energy-saving control device according to claim 1, characterized in that: The right filter assembly (7) and the left filter assembly (6) are arranged between the air outlet pipe (4) and the diamond-shaped air distribution block (5), and the right filter assembly (7) and the left filter assembly (6) have the same structure.

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