Control device for building heating and ventilation
By designing multiple pairs of guide rails and connecting plates inside the HVAC control cabinet in the building, the problem of difficulty in pulling out the controller for maintenance is solved, convenient maintenance and installation is achieved, maintenance efficiency is improved, and the stable operation of the controller is ensured through the cooling fan.
Patent Information
- Application Number
- CN202421729006.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-22
AI Technical Summary
When performing maintenance inside the HVAC control cabinet in the building, it is difficult to pull out some controllers that need maintenance, resulting in the inability to be maintenance.
A load bearing mechanism including multiple pairs of guide rails and connecting plates is designed. By rotating the rotating ring and pulling the pull rod, the controller can be separated from the load bearing mechanism and directly pulled out, which is convenient for maintenance, and the controller is re-fixed by a return spring and an L-shaped card slot.
It realizes convenient maintenance and installation of the controller, improves the efficiency and convenience of maintenance, and ensures the stable operation of the controller through a cooling fan.
Smart Images

Figure CN222897434U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building heating and ventilation, in particular to a control device for building heating and ventilation. Background Art
[0002] The controllers of building HVAC are centrally installed in the control cabinet, which can provide good protection for the control unit and facilitate management. In the prior art, when inspecting the control inside the cabinet, it is difficult to pull out the part of the controller that needs to be inspected, making the convenience of inspection less than ideal.
[0003] For example, patent publication number CN218070730U specifically discloses an energy-saving control device for building HVAC, including a control box with a door hinged on the side, a control room matched with the door in the middle of the control box, multiple sliding edges horizontally constructed on the inner walls on both sides of the control room, a fixed plate vertically placed in the control room slidably installed between the multiple sliding edges, a magnetic block fixed at the lower end of the fixed plate, multiple support plates fixed on the side of the fixed plate facing the door, a controller body installed on the support plate, and an electrical room at the bottom of the control box, a first electromagnet and a second electromagnet fixed in the electrical room, the tops of the first electromagnet and the second electromagnet both pass through the bottom surface of the control room and are located on both sides of the magnetic block. The energy-saving control device for building HVAC can solve the problem that the space in the control box is small and inconvenient for maintenance, thereby helping to improve the maintenance efficiency of the staff. When the control inside the cabinet is being repaired, it is difficult to pull out the part of the controller that needs to be repaired, making the convenience of maintenance less than ideal. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a control device for building HVAC, which solves the problem that when inspecting the control inside the cabinet, it is difficult to pull out the part of the controller that needs to be inspected, making the convenience of inspection less than ideal.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: A control device for building HVAC, including a cabinet, a bearing mechanism is provided inside the cabinet, a fixed heat dissipation mechanism is installed on the bearing mechanism, and a controller is installed on the fixed heat dissipation mechanism;
[0006] The bearing mechanism includes multiple pairs of guide rails, each of which is provided with a connecting plate, and multiple pairs of sliding grooves are provided on the surfaces of both sides of the connecting plate. The bottom end of the connecting plate is fixedly connected to a pull rod, and the front side of the connecting plate is provided with multiple bearing seats, and the bottom of each bearing seat is fixedly connected to a connecting seat, and the front side surface of the connecting plate is provided with multiple connecting slots, and the top of the inner wall of each connecting slot is fixedly connected to a connecting rod, a swivel is rotatably connected to the connecting seat, and the end of the swivel is fixedly connected to a rotating shaft, and a limiting plate is fixedly connected to the rotating shaft, and a reset spring is provided on one side of the limiting plate, and the end of the rotating shaft away from the swivel is fixedly connected to a connecting seat, and an L-shaped slot is provided on the connecting seat.
[0007] Preferably, the plurality of pairs of guide rails are fixedly mounted on the inner walls on both sides of the cabinet, and the plurality of bearing seats are respectively slidably connected to the plurality of pairs of guide rails.
[0008] Preferably, the slide groove matches the guide rail, and the connecting plate is slidably connected to the guide rail via a plurality of pairs of slide grooves.
[0009] Preferably, the plurality of connection slots all match the connection card holder, and the connection card rod matches the L-shaped card slot.
[0010] Preferably, one end of the return spring is fixedly connected to the limiting plate, and the other end of the return spring is fixedly connected to the inner wall of the connecting seat.
[0011] Preferably, the connection base is shaped as a cylinder, and one end of the L-shaped slot parallel to the axial direction of the connection base passes through the connection base and is connected to the outside.
[0012] Preferably, a plurality of guide grooves are provided on the bearing seat, and the fixed heat dissipation mechanism comprises a bidirectional screw, which is connected to a fixed knob via a bevel gear pair, and two clamping plates are threadedly connected to the bidirectional screw.
[0013] Preferably, the tops of the two clamping plates are fixedly connected with cooling fans, and the bidirectional screw is provided with two sections of threads in opposite directions. Beneficial Effects
[0014] The utility model provides a control device for building HVAC. Compared with the prior art, it has the following beneficial effects:
[0015] 1. The control device for building HVAC, by rotating the swivel ring, makes the bearing seat and the connecting plate in a separated state, then directly pulls the swivel ring to pull out the controller that needs to be repaired, and then inserts the connecting card seat into the connecting slot again, and the reset spring drives the L-shaped card slot to rotate and re-jam the connecting card rod, and then pulls the pull rod to drive multiple bearing seats to move synchronously at the same time, and can choose to pull out collectively or individually, which is convenient for maintenance of the controller, thereby effectively improving the convenience of maintenance.
[0016] 2. The control device for building HVAC, by rotating the fixed knob, the rotation of the fixed knob drives the rotation of the bidirectional screw, and the rotation of the bidirectional screw drives the movement of the clamping plate, so that the controller can be easily installed and fixed, and the cooling fan is used to dissipate heat to ensure the stability of the controller operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the bearing mechanism of the utility model;
[0019] Figure 3 It is a schematic diagram of the connection structure between the rotating shaft and the connecting plate of the utility model;
[0020] Figure 4 It is a structural schematic diagram of the fixed heat dissipation mechanism of the utility model.
[0021] In the figure: 1. cabinet; 2. bearing mechanism; 201. guide rail; 202. connecting plate; 203. bearing seat; 204. pull rod; 205. connecting seat; 206. slide groove; 207. connecting slot; 208. connecting rod; 209. rotating shaft; 210. swivel; 211. limit plate; 212. return spring; 213. connecting seat; 214. L-shaped slot; 3. controller; 4. fixed heat dissipation mechanism; 401. guide groove; 402. two-way screw; 403. fixing knob; 404. clamp; 405. cooling fan. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-3The utility model provides a technical solution: a control device for building HVAC, including a cabinet 1, a bearing mechanism 2 is provided inside the cabinet 1, a fixed heat dissipation mechanism 4 is installed on the bearing mechanism 2, a controller 3 is installed on the fixed heat dissipation mechanism 4, and the controller 3 can control the building HVAC. It is an existing technology, so it will not be described in detail. Multiple controllers 3 can be carried by the bearing mechanism 2, and can be pulled out collectively or individually during maintenance and installation, which is convenient for maintenance of the controller 3, thereby effectively improving the convenience of maintenance;
[0024] The bearing mechanism 2 includes a plurality of pairs of guide rails 201, each of which is provided with a connecting plate 202, and a plurality of pairs of slide grooves 206 are provided on both sides of the connecting plate 202, and the slide grooves 206 match the guide rails 201. The connecting plate 202 is slidably connected to the guide rails 201 through the plurality of pairs of slide grooves 206, so that the connecting plate 202 can move along the guide rails 201, and a pull rod 204 is fixedly connected to the bottom end of the connecting plate 202, and a plurality of bearing seats 203 are provided on the front side of the connecting plate 202. The plurality of pairs of guide rails 201 are fixedly installed on the inner walls on both sides of the cabinet 1, and the plurality of bearing seats 203 are slidably connected to the plurality of pairs of guide rails 201, respectively, so that the bearing seats 203 can move along the guide rails 201, and each bearing seat 203 is fixedly connected to the bottom of the connecting plate 202. A connecting seat 205 is connected, and a plurality of connecting slots 207 are provided on the front surface of the connecting plate 202. The plurality of connecting slots 207 are matched with the connecting card seat 213, so that the connecting card seat 213 can be inserted into the connecting slot 207. A connecting card rod 208 is fixedly connected to the top of the inner wall of each connecting slot 207, and the connecting card rod 208 matches the L-shaped card slot 214, so that the connecting card rod 208 can enter the L-shaped card slot 214. A swivel 210 is rotatably connected to the connecting seat 205, and a rotating shaft 209 is fixedly connected to the end of the swivel 210. A limiting plate 211 is fixedly connected to the rotating shaft 209. A return spring 212 is provided on one side of the limiting plate 211, and one end of the return spring 212 is fixedly connected to the limiting plate 211. The other end of 212 is fixedly connected to the inner wall of the connecting seat 205, so that the limiting plate 211 can be reset. The end of the rotating shaft 209 away from the rotating ring 210 is fixedly connected to the connecting seat 213, and the connecting seat 213 is provided with an L-shaped slot 214. The shape of the connecting seat 213 is set to be cylindrical. The end of the L-shaped slot 214 parallel to the axial direction of the connecting seat 213 passes through the connecting seat 213 and is connected to the outside, so that the connecting rod 208 can enter the L-shaped slot 214. By rotating the rotating ring 210, the rotating ring 210 rotates to drive the rotating shaft 209 to rotate, and the rotating shaft 209 rotates to drive the limiting plate 211 to rotate. The limiting plate 211 rotates to compress the reset spring 212 to play a limiting role. At the same time, the rotating shaft 2 09 rotates to drive the connecting card seat 213 to rotate, so that the L-shaped slot 214 on the connecting card seat 213 rotates, and the connecting card rod 208 is at the corner position of the L-shaped slot 214, so that the bearing seat 203 and the connecting plate 202 are in a separated state, and then the rotating ring 210 is directly pulled, and the rotating ring 210 drives the bearing seat 203 to move, and the controller 3 that needs to be repaired is pulled out, and then the connecting card seat 213 is inserted into the connecting slot 207 again, and the connecting card rod 208 re-enters the L-shaped slot 214, and the reset spring 212 resets the rotating shaft 209, so that the L-shaped slot 214 rotates and re-clamps the connecting card rod 208, so that the pulling rod 204 drives multiple bearing seats 203 to move synchronously through the connecting plate 202 at the same time,It is possible to choose to pull out collectively or individually, which is convenient for maintenance of the controller 3, thereby effectively improving the convenience of maintenance.
[0025] See also Figure 1 and Figure 4 A plurality of guide grooves 401 are provided on the bearing seat 203, and the fixed heat dissipation mechanism 4 includes a bidirectional screw 402, which is connected to a fixed knob 403 through a bevel gear pair transmission, and two clamping plates 404 are threadedly connected to the bidirectional screw 402, and a cooling fan 405 is fixedly connected to the top of the two clamping plates 404, and two sections of threads in opposite directions are provided on the bidirectional screw 402, so that the bidirectional screw 402 can simultaneously drive the two clamping plates 404 to move toward or away from each other, and the fixing knob 403 can be rotated, and the fixing knob 403 can be rotated to drive the bidirectional screw 402 to rotate, and the bidirectional screw 402 can be rotated to drive the clamping plate 404 to move, so that the controller 3 can be installed and fixed conveniently, and the cooling fan 405 is used to dissipate heat, thereby ensuring the stability of the operation of the controller 3.
[0026] During operation, the rotating ring 210 is rotated, and the rotating ring 210 drives the rotating shaft 209 to rotate, and the rotating shaft 209 drives the limiting plate 211 to rotate, and the limiting plate 211 rotates to compress the reset spring 212 to play a limiting role. At the same time, the rotating shaft 209 rotates to drive the connecting clamp 213 to rotate, so that the L-shaped slot 214 on the connecting clamp 213 rotates, so that the connecting clamp rod 208 is at the corner position of the L-shaped slot 214, so that the bearing seat 203 and the connecting plate 202 are in a separated state, and then the rotating ring 210 is directly pulled, and the rotating ring 210 drives The supporting seat 203 moves, and the controller 3 that needs to be repaired is pulled out. Then the connecting seat 213 is inserted into the connecting slot 207 again, and the connecting rod 208 re-enters the L-shaped slot 214. The reset spring 212 resets the rotating shaft 209, so that the L-shaped slot 214 rotates and re-clamps the connecting rod 208, so that the pulling rod 204 can drive multiple supporting seats 203 to move synchronously through the connecting plate 202 at the same time. It can be selected to be pulled out collectively or individually, which is convenient for the maintenance of the controller 3, thereby effectively improving the convenience of maintenance.
[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
Claims
1. A control device for building HVAC, comprising a cabinet (1), characterized in that: A bearing mechanism (2) is provided inside the cabinet (1), a fixed heat dissipation mechanism (4) is installed on the bearing mechanism (2), and a controller (3) is installed on the fixed heat dissipation mechanism (4); The bearing mechanism (2) comprises a plurality of pairs of guide rails (201), each of the plurality of pairs of guide rails (201) being provided with a connecting plate (202), both side surfaces of the connecting plate (202) being provided with a plurality of pairs of slide grooves (206), the bottom end of the connecting plate (202) being fixedly connected to a pull rod (204), the front side of the connecting plate (202) being provided with a plurality of bearing seats (203), the bottom of each bearing seat (203) being fixedly connected to a connecting seat (205), the front side surface of the connecting plate (202) being provided with a plurality of connecting slots (207), each connecting seat (203) being fixedly connected to a connecting seat (205), A connecting clamp rod (208) is fixedly connected to the top of the inner wall of the connection slot (207); a rotating ring (210) is rotatably connected to the connecting seat (205); a rotating shaft (209) is fixedly connected to the end of the rotating ring (210); a limiting plate (211) is fixedly connected to the rotating shaft (209); a return spring (212) is provided on one side of the limiting plate (211); a connecting clamp seat (213) is fixedly connected to one end of the rotating shaft (209) away from the rotating ring (210); and an L-shaped clamping groove (214) is provided on the connecting clamp seat (213).
2. A control device for building HVAC according to claim 1, characterized in that: The plurality of pairs of guide rails (201) are fixedly mounted on the inner walls on both sides of the cabinet (1), and the plurality of bearing seats (203) are respectively slidably connected to the plurality of pairs of guide rails (201).
3. A control device for building HVAC according to claim 1, characterized in that: The slide groove (206) matches the guide rail (201), and the connecting plate (202) is slidably connected to the guide rail (201) via a plurality of pairs of slide grooves (206).
4. A control device for building HVAC according to claim 1, characterized in that: The plurality of connection slots (207) are matched with the connection card seat (213), and the connection card rod (208) is matched with the L-shaped card slot (214).
5. A control device for building HVAC according to claim 1, characterized in that: One end of the return spring (212) is fixedly connected to the limiting plate (211), and the other end of the return spring (212) is fixedly connected to the inner wall of the connecting seat (205).
6. A control device for building HVAC according to claim 1, characterized in that: The shape of the connection card seat (213) is set to be a cylinder, and one end of the L-shaped card slot (214) which is axially parallel to the connection card seat (213) penetrates the connection card seat (213) and is connected to the outside.
7. A control device for building HVAC according to claim 1, characterized in that: The bearing seat (203) is provided with a plurality of guide grooves (401), the fixed heat dissipation mechanism (4) comprises a bidirectional screw (402), the bidirectional screw (402) is connected to a fixed knob (403) via a bevel gear pair, and two clamping plates (404) are threadedly connected to the bidirectional screw (402).
8. A control device for building HVAC according to claim 7, characterized in that: The tops of the two clamping plates (404) are fixedly connected to a cooling fan (405), and the bidirectional screw (402) is provided with two sections of threads in opposite directions.
Citation Information
Patent Citations
Energy-saving control device for building heating and ventilation
CN218070730U