A heating and ventilation terminal hydraulic intelligent adjusting device and adjusting method
By using the intelligent hydraulic adjustment device at the HVAC terminal, and by utilizing components such as hydraulic adjustment terminals and adjustment blocks, intelligent hydraulic adjustment of the HVAC system is realized, which solves the problem of energy waste caused by hydraulic imbalance, reduces the energy consumption of chiller units, and improves energy efficiency.
Patent Information
- Application Number
- CN202310643391.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-01
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2043-06-01
AI Technical Summary
Existing HVAC systems suffer from energy waste due to hydraulic imbalance. Static balancing valves and differential pressure control flow logic cannot meet high energy-saving requirements. Chillers generally operate in a mode of small temperature difference and large flow, which affects energy consumption.
The HVAC terminal hydraulic intelligent adjustment device uses components such as hydraulic adjustment end, adjustment block, fixed plate, motor, hydraulic telescopic rod and sensor to realize intelligent adjustment of hydraulic pressure and precise control of water output. Combined with spring and connecting pipe structure, it realizes flexible hydraulic adjustment.
It enables intelligent hydraulic adjustment of the HVAC system, reduces the energy consumption of the chiller unit, improves energy efficiency, and meets the demand for high energy conservation.
Smart Images

Figure CN116678029B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of hydraulic regulation technology for HVAC water pipes, specifically to an intelligent hydraulic adjustment device and method for HVAC terminals. Background Technology
[0002] The hydraulic intelligent adjustment device is a structure for regulating water flow pressure. In HVAC engineering, due to the different water flow pressure requirements in different regions, the hydraulic adjustment structure is used to dredge and divert water flow.
[0003] Patent specification CN210909015U discloses an intelligent pressure plate device for adjusting the clamping angle, comprising a pressure plate body, a clamping end, a connecting shaft, a cotter pin, a pressure plate through groove, a clamping limiting groove, and a height adjustment device. The clamping end is connected to the upper surface of one end of the pressure plate body; one end of the clamping end extends to the outside of the pressure plate body and has a clamping limiting groove; the other end of the clamping end is connected to the pressure plate body via the connecting shaft; a cotter pin is provided at the end of the connecting shaft; the height adjustment device is connected to the lower surface of the other end of the pressure plate body; a pressure plate through groove is provided in the center of the pressure plate body for inserting bolts and applying clamping force. The intelligent pressure plate device for adjusting the clamping angle provided by this invention has a simple process, low manufacturing cost, convenient operation, high flexibility, high versatility, and low maintenance cost, and can be widely applied in CNC machine tools.
[0004] However, in implementing the relevant technology, the following problems were found in the above-mentioned intelligent pressure plate device for adjusting the clamping angle: hydraulic imbalance in HVAC systems will cause energy waste, which has been a research topic for decades. The previous static balancing valves and differential pressure control variable flow logic are increasingly unable to meet the requirements of high energy saving. Chiller units generally have a small temperature difference and large flow operation mode, which seriously affects their energy consumption. Therefore, we propose an intelligent hydraulic adjustment device and adjustment method for HVAC terminals. Summary of the Invention
[0005] In view of this, the present invention aims to provide a hydraulic intelligent adjustment device and method for HVAC terminals to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.
[0006] The technical solution of this invention is implemented as follows: A hydraulic intelligent adjustment device for HVAC terminals includes an HVAC inlet pipe, a clamping pipe, and an embedded pipe. The right end of the HVAC inlet pipe is connected to an intelligent adjustment pipe. The clamping pipe is disposed on the right side of the intelligent adjustment pipe. The embedded pipe is fixedly connected to the right side of the intelligent adjustment pipe. A hydraulic adjustment end is fixedly connected inside the right side of the embedded pipe. The clamping pipe is sleeved on the outside of the embedded pipe. A fixing plate is attached to the right side of the hydraulic adjustment end. An adjustment block is fixedly connected to the right side of the fixing plate, and the adjustment block is slidably connected to the clamping pipe. An outlet pipe is fixedly connected to the right side of the clamping pipe. A motor is fixedly connected inside the right side of the outlet pipe, and the end of the motor's main shaft is fixedly connected to the adjustment block via a telescopic shaft. A vertical pipe is connected to the bottom end of the outlet pipe.
[0007] More preferably, a spring is provided between the intelligent adjusting tube and the pressing tube, and the spring is sleeved on the outside of the embedded tube.
[0008] More preferably, the surface of the hydraulic regulating end is provided with a water inlet, and the diameter of the water inlet hole is set to shorten clockwise.
[0009] More preferably, a sealing plug is fixedly connected to the left side of the fixing plate, the sealing plug is located inside the water inlet, and a water outlet is opened inside the rear side of the fixing plate, and the water outlet is aligned with the water inlet located on the rear side.
[0010] More preferably, a hydraulic telescopic rod is fixedly connected to the top end of the water outlet pipe, and a fixing ring is fixedly connected to the other end of the hydraulic telescopic rod. The fixing ring is sleeved on the outside of the water outlet pipe, and the water outlet pipe is in contact with the pressing pipe.
[0011] More preferably, the vertical pipe is spirally connected to a connecting pipe, the right side of the connecting pipe is connected to an installation pipe, the connecting pipe is fixedly connected to a base plate, the center of the base plate is spirally connected to an adjusting threaded shaft, the top end of the adjusting threaded shaft is rotatably connected to a lifting block, and the lifting block is in contact with the inner wall of the connecting pipe.
[0012] More preferably, a tongue plate is fixedly connected to the right side of the lifting block, and the tongue plate is located inside the square groove of the mounting tube.
[0013] A method for intelligent hydraulic adjustment of HVAC terminals includes the following steps:
[0014] S1. The control HVAC inlet pipe is connected to the intelligent regulating pipe and the compression pipe. The hydraulic regulating end on the right side of the embedded pipe is connected to the outlet of the fixed plate on the left side of the regulating block, thereby connecting the water flow.
[0015] S2. Control the water flow in. Temperature sensors, water pipe temperature sensors, water flow sensors and other components installed inside the regulating block monitor the hydraulic conditions. The controller controls the motor and hydraulic telescopic rod to work. The hydraulic telescopic rod pulls the clamping pipe to move and open on the outside of the outlet pipe through the fixed ring.
[0016] S3. With the spring pushing, it opens quickly. The motor starts to drive the fixed plate at the end of the main shaft to rotate, which rotates the sealing plug into different water inlets. At the same time, the water outlet of the fixed plate is aligned with the water inlet of different sizes, thereby changing the water pressure and achieving energy saving and consumption reduction.
[0017] S4. Water flows into the installed connector and circulates through the installation pipe connected to the right. At the same time, the operator can rotate and adjust the threaded shaft according to the usage requirements to control the lifting block at the top to move up and down inside the connector, which in turn drives the tongue plate to move up and down inside the square groove of the installation pipe, thus changing the water output.
[0018] The embodiments of the present invention have the following advantages due to the adoption of the above technical solutions:
[0019] I. Compared with the existing technology, this intelligent hydraulic adjustment device for HVAC terminals, through the setting of hydraulic adjustment end, adjustment block, fixed plate and adjustment block, the sensing element inside the adjustment block, together with motor and hydraulic telescopic rod, can control the connection of different water outlets, thereby intelligently adjusting the hydraulic power to meet the energy saving requirements and reduce the energy consumption of the chiller unit;
[0020] Second, compared with the existing technology, this intelligent hydraulic adjustment device for HVAC terminals, through the setting of connecting pipe, installation pipe, adjusting threaded shaft and tongue plate, the lifting block moves up and down inside the installation pipe in cooperation with the tongue plate, the lifting and lowering changes the size of the water outlet gap, controls the amount of water output, and further improves the ability to reduce energy consumption.
[0021] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a structural diagram of the present invention;
[0024] Figure 2 This is an exploded view of the regulating block of the present invention;
[0025] Figure 3 This is a structural diagram of the fixing plate of the present invention;
[0026] Figure 4 This is a cross-sectional view of the connecting pipe of the present invention.
[0027] Reference numerals: 1. HVAC inlet pipe; 2. Intelligent regulating pipe; 3. Hydraulic regulating end; 4. Inlet; 5. Pressing pipe; 6. Adjusting block; 7. Fixing plate; 8. Sealing plug; 9. Outlet; 10. Outlet pipe; 11. Hydraulic telescopic rod; 12. Fixing ring; 13. Motor; 14. Vertical pipe; 15. Connecting pipe; 16. Installation pipe; 17. Base plate; 18. Adjusting threaded shaft; 19. Lifting block; 20. Tongue plate; 21. Embedded pipe. Detailed Implementation
[0028] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.
[0029] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
[0030] like Figure 1-4 As shown, this embodiment of the invention provides a hydraulic intelligent adjustment device for HVAC terminals, including an HVAC inlet pipe 1, a clamping pipe 5, and an embedded pipe 21. The right end of the HVAC inlet pipe 1 is connected to an intelligent adjustment pipe 2. The clamping pipe 5 is located on the right side of the intelligent adjustment pipe 2. The embedded pipe 21 is fixedly connected to the right side of the intelligent adjustment pipe 2. A hydraulic adjustment end 3 is fixedly connected inside the right side of the embedded pipe 21. The clamping pipe 5 is sleeved on the outside of the embedded pipe 21. A fixing plate 7 is attached to the right side of the hydraulic adjustment end 3. An adjustment block 6 is fixedly connected to the right side of the fixing plate 7, and the adjustment block 6 is slidably connected to the clamping pipe 5. An outlet pipe 10 is fixedly connected to the right side of the clamping pipe 5. A motor 13 is fixedly connected inside the right side of the outlet pipe 10, and the end of the main shaft of the motor 13 is fixedly connected to the adjustment block 6 through a telescopic shaft. The bottom end of the outlet pipe 10 is connected to a vertical pipe 14. The motor 13 drives the fixing plate 7 at the end of the main shaft to rotate. The connection structure design of the telescopic shaft can maintain the stability of the movement of the fixing plate 7 and prevent it from detaching from the clamping pipe 5.
[0031] In one embodiment, a spring is provided between the intelligent regulating tube 2 and the clamping tube 5, and the spring is sleeved on the outside of the inner tube 21, so that the spring can push the clamping tube 5 to open from the outside of the inner tube 21.
[0032] In one embodiment, an inlet 4 is provided inside the surface of the hydraulic regulating end 3. The diameter of the inlet 4 is set to shorten clockwise so that different sizes of inlets 4 can quickly change different water inflow rates.
[0033] In one embodiment, a sealing plug 8 is fixedly connected to the left side of the fixing plate 7. The sealing plug 8 is located inside the water inlet 4. A water outlet 9 is opened inside the rear side of the fixing plate 7, and the water outlet 9 is aligned with the water inlet 4 located on the rear side. This allows the water outlet 9 to be connected to different water inlets 4 to guide the flow of water.
[0034] In one embodiment, a hydraulic telescopic rod 11 is fixedly connected to the top end of the water outlet pipe 10, and a fixing ring 12 is fixedly connected to the other end of the hydraulic telescopic rod 11. The fixing ring 12 is sleeved on the outside of the water outlet pipe 10, and the water outlet pipe 10 is in contact with the pressing pipe 5, so that the hydraulic telescopic rod 11 can push the fixing ring 12 to press the pressing pipe 5 into the outside of the embedded pipe 21, keep it in a closed state, and press the fixing plate 7 and the hydraulic adjustment end 3.
[0035] In one embodiment, a connecting pipe 15 is spirally connected inside the vertical pipe 14, and an installation pipe 16 is connected to the right side of the connecting pipe 15. A base plate 17 is fixedly connected inside the connecting pipe 15, and an adjusting threaded shaft 18 is spirally connected to the center of the base plate 17. A lifting block 19 is rotatably connected to the top of the adjusting threaded shaft 18, and the lifting block 19 fits against the inner wall of the connecting pipe 15, making it easy to rotate the adjusting threaded shaft 18. The lifting block 19 is controlled to rise and fall by rotating inside the base plate 17.
[0036] In one embodiment, a tongue plate 20 is fixedly connected to the right side of the lifting block 19, and the tongue plate 20 is located inside the square groove of the mounting pipe 16, which facilitates the tongue plate 20 to increase the stability of the guided water flow.
[0037] A method for intelligent hydraulic adjustment of HVAC terminals includes the following steps:
[0038] S1. The control HVAC inlet pipe 1 is connected to the intelligent regulating pipe 2 and the compression pipe 5. The hydraulic regulating end 3 on the right side of the embedded pipe 21 is connected to the outlet 9 of the fixing plate 7 on the left side of the regulating block 6, thereby connecting the water flow.
[0039] S2. Control the water flow into the system. Temperature sensors, water pipe temperature sensors, water flow sensors and other components installed inside the regulating block 6 monitor the hydraulic conditions. The controller controls the motor 13 and the hydraulic telescopic rod 11 to work. The hydraulic telescopic rod 11 pulls the clamping pipe 5 to move and open on the outside of the outlet pipe 10 through the fixing ring 12.
[0040] S3. With the spring push, the machine opens quickly. The motor 13 starts to drive the fixed plate 7 at the end of the main shaft to rotate, which rotates the sealing plug 8 into different water inlets 4. At the same time, the water outlet 9 of the fixed plate 7 is aligned with the water inlets 4 of different sizes, thereby changing the hydraulic pressure and achieving energy saving and consumption reduction.
[0041] S4. Water flows into the installed connecting pipe 15 and circulates through the installation pipe 16 connected to the right side. Simultaneously, the operator can rotate and adjust the threaded shaft 18 according to usage needs, controlling the lifting block 19 at the top to move up and down inside the connecting pipe 15, which in turn moves the tongue plate 20 up and down inside the square groove of the installation pipe 16, thus changing the water flow rate.
[0042] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in the present invention, and these should all be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.
Claims
1. A heating and ventilation terminal hydraulic intelligent adjustment device, comprising a heating and ventilation water inlet pipe (1), a compression pipe (5) and an embedded pipe (21), characterized in that, The right end of the warm water inlet pipe (1) is communicated with an intelligent adjusting pipe (2), the pressing pipe (5) is arranged at the right side of the intelligent adjusting pipe (2), the embedded pipe (21) is fixedly connected at the right side of the intelligent adjusting pipe (2), the right side of the embedded pipe (21) is fixedly connected with the hydraulic adjusting end (3), the pressing pipe (5) is sleeved on the outer side of the embedded pipe (21), the right side of the hydraulic adjusting end (3) is attached with the fixed plate (7), the right side of the fixed plate (7) is fixedly connected with the adjusting block (6), and the adjusting block (6) is slidably connected with the pressing pipe (5), the right side of the pressing pipe (5) is fixedly connected with the water outlet pipe (10), the right side of the water outlet pipe (10) is fixedly connected with the motor (13), and the main shaft end of the motor (13) is fixedly connected with the adjusting block (6) through the telescopic shaft, and the bottom end of the water outlet pipe (10) is communicated with the vertical pipe (14); The spring is arranged between the intelligent adjusting pipe (2) and the pressing pipe (5), and the spring is sleeved on the outer side of the embedded pipe (21); The surface of the hydraulic adjusting end (3) is internally provided with a water inlet (4), the hole diameter of the water inlet (4) is arranged in a clockwise shortening shape; The left side of the fixed plate (7) is fixedly connected with the sealing plug (8), the sealing plug (8) is located in the inside of the water inlet (4), the rear side of the fixed plate (7) is internally provided with a water outlet (9), and the water outlet (9) is aligned with the water inlet (4) located at the rear side; The top end of the water outlet pipe (10) is fixedly connected with the hydraulic telescopic rod (11), the other end of the hydraulic telescopic rod (11) is fixedly connected with the fixed ring (12), and the fixed ring (12) is sleeved on the outer side of the water outlet pipe (10), and the water outlet pipe (10) is attached with the pressing pipe (5); The inside of the vertical pipe (14) is spirally connected with the butt joint pipe (15), the right side of the butt joint pipe (15) is communicated with the mounting pipe (16), the inside of the butt joint pipe (15) is fixedly connected with the bottom plate (17), the center position of the bottom plate (17) is spirally connected with the adjusting threaded shaft (18), the top end of the adjusting threaded shaft (18) is rotatably connected with the lifting block (19), and the lifting block (19) is attached with the inner wall of the butt joint pipe (15); The right side of the lifting block (19) is fixedly connected with the tongue plate (20), and the tongue plate (20) is located in the square slot of the mounting pipe (16).
2. The adjustment method of the warm air terminal hydraulic intelligent adjustment device according to claim 1, characterized in that, The steps include: S1, control the warm water inlet pipe (1) to be communicated together through the intelligent adjusting pipe (2) and the pressing pipe (5), and the water inlet pipe (1) is communicated to the water outlet (9) of the fixed plate (7) on the left side of the adjusting block (6) through the hydraulic adjusting end (3) on the right side of the embedded pipe (21), so as to communicate the water flow; S2, control the water flow, the temperature sensor, the water pipe temperature sensor, the water flow sensor and other elements arranged in the adjusting block (6) monitor the hydraulic condition, the controller controls the motor (13) and the hydraulic telescopic rod (11) to work, and the hydraulic telescopic rod (11) pulls the pressing pipe (5) to move outside the water outlet pipe (10) through the fixed ring (12) to open. S3, cooperate spring push to open quickly, motor (13) starts to drive the fixed plate (7) at the end of the main shaft to start rotating, and the sealing plug (8) is rotated and clamped into different water inlets (4), and the water outlet (9) of the fixed plate (7) is aligned to different sizes of water inlets (4), so as to change the hydraulic pressure and achieve the state of energy saving and consumption reduction; S4, the water flow enters the installed butt joint pipe (15), flows through the right side of the communication installation pipe (16), and at the same time, the staff can rotate and adjust the threaded shaft (18) according to the use demand, control the lifting block (19) at the top to move up and down in the inside of the butt joint pipe (15), drive the tongue plate (20) to move up and down in the square groove of the installation pipe (16), and change the water output.
Citation Information
Patent Citations
Pressing plate device capable of intelligently adjusting pressing angle
CN210909015U
Full-closed loop type ground heating temperature control system
CN101865493A
Variable-flow energy-saving automatic control system of heating ventilation air conditioning water system and control method of variable-flow energy-saving automatic control system
CN114110735A