Stadium ventilation equipment based on intelligent control

Abstract

The invention provides stadium ventilation equipment based on intelligent control, and relates to the technical field of ventilation control, the stadium ventilation equipment comprises a ventilation channel, the inner wall of the front side of the ventilation channel is rotatably provided with a transverse shutter; the ventilation channel is fixedly assembled through a positioning frame; an inner shutter frame is fixedly arranged at the indoor end of the ventilation channel; an assembly base is fixedly arranged on one side between the inner shutter frame and the ventilation channel, and a control electric cylinder is fixedly arranged at the telescopic end of the assembly base; a U-shaped bottom frame is fixedly arranged at the bottom of the inner shutter frame; an adjustable opening and closing control structure is adopted, the air inlet position and the air supply direction can be automatically adjusted according to the air direction, energy-saving and convenient ventilation is achieved, air exchange is conducted through natural air, the opening and closing degree of the vertical shutters and the transverse shutters is controlled, the air inlet speed or the air outlet speed can be limited, and the ventilation effect is improved. The problem that an existing device cannot automatically adjust the air inlet position according to the air direction conveniently is solved.

Description

Technical Field

[0001] The invention relates to the technical field of ventilation control, and in particular to sports stadium ventilation equipment based on intelligent control. Background Art

[0002] In recent years, new-generation information technology represented by big data, artificial intelligence, and automation has developed rapidly in the field of sports venues. Intelligent ventilation systems have become an important part of smart sports venues and a key technology for smart construction and smart operations. As the scale and number of sports venues continue to increase, the scale and complexity of ventilation and air conditioning systems are also increasing.

[0003] The operation and control mode of the traditional stadium ventilation system has problems such as over-reliance on manpower, insufficient adjustment refinement and high operating costs, which restricts the energy conservation and emission reduction and sustainable development of the venue. It has the following disadvantages: 1. It is inconvenient to automatically adjust the air inlet position and air supply direction according to the wind direction, thus failing to achieve energy-saving and convenient ventilation; 2. Lack of multifunctional ventilation effects that are easy to choose, making it inconvenient to perform natural ventilation or mechanical air supply as needed; 3. Lack of flexible monitoring and control functions, making it inconvenient to work automatically according to weather factors. Summary of the invention

[0004] In view of this, the present invention aims at the deficiencies in the above-mentioned prior art and provides a sports stadium ventilation equipment based on intelligent control.

[0005] The present invention provides a sports stadium ventilation device based on intelligent control, specifically comprising: a ventilation channel, wherein a transverse louver is rotatably provided on the front inner wall of the ventilation channel; a positioning frame is slidably provided outside the ventilation channel, and the positioning frame and the ventilation channel are fixedly assembled by bolts; an inner louver frame is fixedly provided at one end of the ventilation channel located indoors; an assembly seat is fixedly provided on one side between the inner louver frame and the ventilation channel, and a control electric cylinder is fixedly provided on the telescopic end of the assembly seat; a U-shaped base frame is fixedly provided on the bottom of the inner louver frame; an active Wind control channel, an optional hole is opened in the middle of the outside of the active wind control channel; two openings are opened at the top and lower middle of one side of the active wind control channel that fits the inner louver frame, and two groups of current control electric cylinders are fixedly set at the position between the two openings, and the telescopic ends of the current control electric cylinders are fixedly set with closed valve plates, and the two groups of closed valve plates can close the two openings respectively; a main control air pump is fixedly set at a position aligned with the bottom of the lower opening in the active wind control channel, and a curved pipe is set at the bottom of the main control air pump, which is connected to the lower side of the active wind control channel facing the room, and a filter is also set at the connection.

[0006] Optionally, a transmission groove for control is provided on one side of the ventilation channel; a control rocker arm is coaxially fixedly arranged at one end of the transverse louver, and the control rocker arm is located in the transmission groove; a control slide rod is longitudinally slidably arranged in the transmission groove, and a connecting hinge is vertically slidably arranged outside the control slide rod, and the connecting hinge is hingedly connected to the control rocker arm; the control slide rod is fixedly connected to the telescopic end of the control electric cylinder.

[0007] Optionally, the positioning frame is provided with assembly holes all around; the ventilation duct is integrally provided with protruding positioning ears at the four corners on the indoor side, four groups of screw holes are provided at positions where the positioning frame is aligned with the positioning ears, and the ventilation duct and the positioning frame are fixedly connected by bolts passing through the positioning ears and inserted into the screw holes; the ventilation duct is installed above the gymnasium.

[0008] Optionally, a vertical blind is rotatably arranged in the middle of the inner louver frame, and rubber strips are arranged on the side ends of the vertical blinds; the bottom ends of the vertical blinds pass through the bottom of the inner louver frame and are fixedly provided with a control worm gear; a transmission bin is arranged at the bottom of the inner louver frame, and a control worm is rotatably arranged in the transmission bin, and the control worm is transmission-connected to the control worm gear, and a control motor for driving the control worm is fixedly arranged on one side of the transmission bin.

[0009] Optionally, an opening and closing electric cylinder is fixedly installed in the middle of the bottom of the U-shaped base frame, and a closed partition is installed outside the opening and closing electric cylinder; a circular groove structure is opened in the middle of the bottom of the closed partition, and the telescopic end of the opening and closing electric cylinder is fixedly connected to the inner top surface of the circular groove structure; the closed partition is slidably connected to the bottom of the inner louver frame, and the width of the closed partition is consistent with the inner width of the inner louver frame.

[0010] Optionally, a heater is fixedly arranged at the upper middle portion of the active air control channel, and the heater is made of a stainless steel electric heating tube; the heater is located between two openings on one side of the active air control channel.

[0011] Optionally, an indoor data acquisition module is installed inside the gymnasium, and the indoor data acquisition module includes an air pressure sensor, a temperature sensor, an air quality sensor and a light sensor; an outdoor data acquisition module is installed outside the gymnasium, and the outdoor data acquisition module includes an air pressure sensor, a temperature sensor, a wind direction sensor and a wind speed sensor.

[0012] Optionally, a central processing module for setting parameters is installed inside the gymnasium, and the central processing module includes a data summarization unit, a data storage unit, a learning unit and an analysis unit. The data summarization unit is used to summarize the building indoor environmental parameters collected by the indoor data collection module; the data storage unit is used to store the environmental parameters collected by the summarization unit; the learning unit is used for the system to learn the data of the building indoor environmental parameters through the data summarization unit and the data storage unit; the analysis unit is used to analyze the stored environmental parameter data; the central processing module is also connected to a processing terminal capable of control and feedback display.

[0013] Optionally, the central processing module has a built-in execution module, and the execution module is provided with signal lines connected to the control motor, the control electric cylinder, the main control air pump and the heater.

[0014] The beneficial effects are as follows: 1. The present invention adopts an adjustable opening and closing control structure, which can automatically adjust the air inlet position and the air supply direction according to the wind direction, realize energy-saving and convenient ventilation, and achieve energy-saving effects by ventilation through natural wind. It can also control the opening and closing degree of vertical louvers and horizontal louvers, and limit the speed of air inlet or air outlet. Through decentralized installation, it can also reduce the space occupied by building equipment, and at the same time increase the ventilation flow rate and improve the ventilation efficiency of the overall device.

[0015] 2. The instant noodles adopt a multi-functional ventilation function that is easy to choose. Natural ventilation or mechanical air supply can be carried out as needed. In windless or windy weather, active wind control channels can be used to supply air. The horizontal blinds can be opened, the vertical blinds can be closed, and the closed valve plate below can be opened using the control electric cylinder. The main air pump on the leeward side is started to draw air into the room. The main air pumps installed on both sides that are not facing or facing away from the wind direction can be used to discharge excess air and maintain the indoor air pressure.

[0016] 3. The present invention installs different sensors and processing modules indoors and outdoors, and can work naturally according to weather changes. For example, on windy days and in winter, the closed partitions are raised and the inner shutters are closed by program-controlled opening and closing electric cylinders to improve the sealing. In summer, the cooling function can be added as needed, and the optional holes are set with pipes to directly connect air-conditioning equipment, or compressors and other equipment to transport cold air into the room, thereby lowering the indoor temperature and achieving natural adjustment according to climate changes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of a three-dimensional structure according to an embodiment of the present invention is shown; Figure 2 A schematic diagram of the shaft side structure according to an embodiment of the present invention is shown; Figure 3 A schematic diagram of the layout structure of the ventilation channel according to an embodiment of the present invention is shown; Figure 4 A schematic diagram of a three-dimensional cross-sectional structure according to an embodiment of the present invention is shown; Figure 5 The embodiment according to the present invention is shown Figure 4 Schematic diagram of the three-dimensional disassembled structure; Figure 6 The embodiment according to the present invention is shown Figure 4 Schematic diagram of the side elevation structure; Figure 7 A schematic diagram of a three-dimensional cross-sectional structure of an active wind control channel according to an embodiment of the present invention is shown; Figure 8 A partial cross-sectional structural schematic diagram of a ventilation channel according to an embodiment of the present invention is shown; Fig. 9 A system flow module block diagram according to an embodiment of the present invention is shown; Fig.10 The embodiment according to the present invention is shown Figure 6 Schematic diagram of the local enlarged structure at A in the figure.

[0018] List of reference numerals: 1. Gymnasium; 2. Ventilation duct; 201. Horizontal louver; 202. Control swing arm; 203. Control slide bar; 204. Connecting hinge; 3. Positioning frame; 4. Inner louver frame; 401. Vertical louver; 402. Control worm gear; 403. Control worm; 404. Control motor; 5. Assembly seat; 501. Control electric cylinder; 6. U-shaped base frame; 601. Opening and closing electric cylinder; 602. Sealed partition; 7. Active air control duct; 701. Optional hole; 702. Heater; 703. Current control electric cylinder; 704. Closed valve plate; 705. Main control air pump. DETAILED DESCRIPTION

[0019] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention.

[0020] Embodiment 1: Please refer to Figures 1 to 10 As shown: The present invention proposes a sports stadium ventilation equipment based on intelligent control, comprising: a ventilation channel 2, wherein a transverse louver 201 is rotatably arranged on the inner wall of the front side of the ventilation channel 2; a positioning frame 3 is slidably arranged outside the ventilation channel 2, and the positioning frame 3 is fixedly assembled with the ventilation channel 2 by bolts; an inner louver frame 4 is fixedly arranged at one end of the ventilation channel 2 located indoors; an assembly seat 5 is fixedly arranged on one side between the inner louver frame 4 and the ventilation channel 2, and a control electric cylinder 501 is fixedly arranged on the telescopic end of the assembly seat 5; a U-shaped base frame 6 is fixedly arranged on the bottom of the inner louver frame 4; an active wind control channel 7 is fixedly arranged on one side of the inner louver frame 4, An optional hole 701 is provided in the middle of the outside of the active air control channel 7; two openings are provided at the top and the middle and lower part of one side of the active air control channel 7 that fits the inner louver frame 4, and two groups of current control cylinders 703 are fixedly provided at the position between the two openings, and the telescopic ends of the current control cylinders 703 are fixedly provided with closed valve plates 704, and the two groups of closed valve plates 704 can close the two openings respectively; a main control air pump 705 is fixedly provided in the active air control channel 7 at a position aligned with the bottom of the lower opening, and a bent pipe is provided at the bottom of the main control air pump 705, which is connected to the lower side of the active air control channel 7 facing the indoor room, and a filter is also provided at the connection.

[0021] Among them, a transmission groove for control is opened on one side of the ventilation channel 2; a control rocker 202 is coaxially fixedly arranged at one end of the transverse louver 201, and the control rocker 202 is located in the transmission groove; a control slide bar 203 is longitudinally slidably arranged in the transmission groove, and a connecting hinge 204 is vertically slidably arranged outside the control slide bar 203, and the connecting hinge 204 is hingedly connected to the control rocker 202; the control slide bar 203 is fixedly connected to the telescopic end of the control electric cylinder 501.

[0022] Among them, assembly holes are opened around the positioning frame 3; the ventilation duct 2 is integrally provided with protruding positioning ears at the four corners on the indoor side, and four groups of screw holes are opened at the positions where the positioning frame 3 is aligned with the positioning ears. The ventilation duct 2 and the positioning frame 3 are fixedly connected by setting bolts through the positioning ears and inserting them into the screw holes; the ventilation duct 2 is installed above the gymnasium 1.

[0023] Among them, a vertical blind 401 is rotatably arranged in the middle of the inner shutter frame 4, and rubber strips are arranged on the side ends of the vertical blinds 401; the bottom ends of the vertical blinds 401 pass through the bottom of the inner shutter frame 4 and are fixedly provided with a control worm gear 402; a transmission bin is arranged at the bottom of the inner shutter frame 4, and a control worm 403 is rotatably arranged in the transmission bin, and the control worm 403 is transmission-connected to the control worm gear 402, and a control motor 404 for driving the control worm 403 is fixedly arranged on one side of the transmission bin.

[0024] Among them, an opening and closing electric cylinder 601 is fixedly arranged in the middle of the bottom of the U-shaped base frame 6, and a closed partition 602 is arranged outside the opening and closing electric cylinder 601; a circular groove structure is opened in the middle of the bottom of the closed partition 602, and the telescopic end of the opening and closing electric cylinder 601 is fixedly connected to the inner top surface of the circular groove structure; the closed partition 602 is slidably connected to the bottom of the inner louver frame 4, and the width of the closed partition 602 is consistent with the inner width of the inner louver frame 4.

[0025] A heater 702 is fixedly arranged in the upper middle portion of the active air control channel 7 , and the heater 702 is made of a stainless steel electric heating tube; the heater 702 is located between two openings on one side of the active air control channel 7 .

[0026] Among them, an indoor data acquisition module is installed inside the gymnasium 1, and the indoor data acquisition module includes an air pressure sensor, a temperature sensor, an air quality sensor and a light sensor; an outdoor data acquisition module is installed outside the gymnasium 1, and the outdoor data acquisition module includes an air pressure sensor, a temperature sensor, a wind direction sensor and a wind speed sensor.

[0027] Among them, a central processing module for setting parameters is installed inside the gymnasium 1. The central processing module includes a data induction unit, a data storage unit, a learning unit and an analysis unit. The data induction unit is used to summarize the building indoor environmental parameters collected by the indoor data acquisition module; the data storage unit is used to store the environmental parameters collected by the induction unit; the learning unit is used for the system to learn the data of the building indoor environmental parameters through the data induction unit and the data storage unit; the analysis unit is used to analyze the stored environmental parameter data; the central processing module is also connected to a processing terminal capable of control and feedback display.

[0028] The central processing module has a built-in execution module, and the execution module is provided with signal lines connected to the control motor 404 , the control electric cylinder 501 , the main control air pump 705 and the heater 702 .

[0029] The specific usage and function of this embodiment are as follows: S1. According to the venue reservation information, the setting parameters are determined, including ventilation mode, air supply volume, wind speed and temperature, and the parameters are reset according to the environmental parameter information: the control electric cylinder 501 is used to drive the control slide bar 203 to move, and the control slide bar 203 drives the connection hinge 204 to move. During this period, the connection hinge 204 cooperates with the control swing rod 202 to drive the angle of the horizontal blinds 201 to rotate, thereby opening the outdoor vents; the control motor 404 is used to drive the control worm 403 to rotate, the control worm 403 drives the control worm wheel 402 to rotate, and the control worm wheel 402 drives the vertical blinds 401 to rotate, so as to open the indoor vents, and further control the indoor wind direction; S11), if it is detected that the natural ventilation is sufficient and the wind force is appropriate, the opening and closing ratio of the natural ventilation opening is set to 100%, and at the same time, the current control electric cylinder 703 is used to drive the closing valve plate 704 to move, closing the two openings on one side of the active air control channel 7; S12), if it is detected that there is no wind or the wind is too strong, the active wind control channel 7 is used to supply air, the horizontal shutter 201 is opened, the vertical shutter 401 is closed, the current control electric cylinder 703 opens the lower closed valve plate 704, and the main control air pump 705 on the leeward side is started to extract air into the room, and the main control air pumps 705 installed on both sides that are not facing or facing away from the wind direction are used to discharge excess air to maintain the indoor air pressure; S13), when it is detected that the indoor temperature is lower than the threshold, the heater 702 is used to heat the air flowing into the room, and the lower closed valve plate 704 is closed by the current control electric cylinder 703, and the upper closed valve plate 704 is opened, so that the air can flow through the heater 702, heat the air, and increase the indoor temperature; on windy days and in winter, the closed partition 602 is raised by program-controlled opening and closing electric cylinder 601, and the inner louver frame 4 is closed to improve the sealing performance; S2. Adopt artificial intelligence algorithm to automatically adjust the opening and closing duty ratio, ventilation mode, air supply volume, wind speed and return air volume of natural ventilation openings according to the environmental parameters and weather information in the venue, so as to achieve automatic control of precise ventilation; S21), the system collects building indoor environment parameters through the data induction unit; S22) Store indoor environmental parameters and obtain ventilation mode, natural ventilation opening ratio, indoor air supply volume, wind speed, and return air volume based on artificial intelligence algorithms; S23), determining whether the set parameters are not manually set, if so, sending the manually set parameters to the feedback module, if not, analyzing the stored environmental parameters through the analysis unit, and optimizing the ventilation system; S24) uses artificial intelligence algorithms to summarize and analyze the collected venue reservation information. When weather conditions are met, based on the predicted population density and according to the real-time changes in weather characteristics, the opening and closing duty ratio and ventilation mode of the horizontal louvers 201 and the vertical louvers 401 are automatically adjusted, and the air supply volume and wind speed of the main control air pump 705 are automatically adjusted to meet the ventilation needs in the venue in the most energy-efficient way.

[0030] Among them, the artificial intelligence algorithm adopts the Bayesian network algorithm, and the steps of the Bayesian network algorithm are as follows: (1) Determine nodes and relationships based on the collected data; (2) Determine the conditional probability of the relationship based on the data; (3) Determine whether the training data is sufficient. If so, proceed to the next step. If not, redefine the relationship. (4) Establishing an initial Bayesian network; (5) Calculate the posterior probability through the algorithm and optimize the Bayesian network training; (6) Update the conditional probability table.

[0031] Embodiment 2: On the basis of Example 1, Figure 1 As shown, the position of the optional hole 701 is generally sealed with a sealing cover; Since high indoor temperature in summer will affect human activities, especially various sports, it will cause high body temperature and affect health; if the room is equipped with air conditioning, you can directly use air conditioning; However, as required, a cooling function can be added, and the optional hole 701 can be provided with a pipe to directly connect the air conditioning equipment, or a compressor and other equipment to deliver cold air to the room, thereby lowering the indoor temperature, which is mainly suitable for summer; During this process, the vertical louvers 401 can be opened to supply air using the intervals between the vertical louvers 401 and to control the air flow direction.

[0032] Embodiment 3: Based on Example 1, the size of the ventilation channel 2 can be adjusted and customized as needed; When installing the ventilation channel 2, a through groove in the direction is opened on the outside of the gymnasium 1, holes are drilled around one side of the through groove room and expansion bolts are installed, and the positioning frame 3 is fixedly installed using the expansion bolts. At the same time, the positioning frame 3 is sleeved on the outside of the ventilation channel 2 and fixed by bolt connection, so that the positioning frame 3 and the ventilation channel 2 can be fixed; This equipment can be installed in this way according to different types of venues.

Claims

1. A sports stadium ventilation equipment based on intelligent control, characterized in that: include: A ventilation passage (2), wherein a front inner wall of the ventilation passage (2) is rotatably provided with a transverse louver (201); a positioning frame (3) is slidably provided outside the ventilation passage (2), and the positioning frame (3) and the ventilation passage (2) are fixedly assembled by bolts; an inner louver frame (4) is fixedly provided at one end of the ventilation passage (2) located indoors; an assembly seat (5) is fixedly provided at one side between the inner louver frame (4) and the ventilation passage (2), and a control electric cylinder (501) is fixedly provided at the telescopic end of the assembly seat (5); a U-shaped base frame (6) is fixedly provided at the bottom of the inner louver frame (4); an active air control passage (7) is fixedly provided at one side of the inner louver frame (4), and the active air control passage (7) is fixedly provided at one side of the inner louver frame (4). An optional hole (701) is provided in the middle of the exterior of the duct (7); two openings are provided at the top and the middle and lower part of one side of the active air control duct (7) that is in contact with the inner louver frame (4); two groups of current control electric cylinders (703) are fixedly provided at the position between the two openings; the telescopic ends of the current control electric cylinders (703) are fixedly provided with closed valve plates (704); the two groups of closed valve plates (704) are capable of closing the two openings respectively; a main control air pump (705) is fixedly provided at a position aligned with the bottom of the lower opening in the active air control duct (7); a curved pipe is provided at the bottom of the main control air pump (705) and is connected to the lower part of the active air control duct (7) facing the room; a filter is also provided at the connection.

2. A sports stadium ventilation device based on intelligent control as claimed in claim 1, characterized in that: A transmission groove for control is provided on one side of the ventilation passage (2); a control swing rod (202) is coaxially fixedly provided at one end of the transverse louver (201), and the control swing rod (202) is located in the transmission groove; a control slide rod (203) is longitudinally slidably provided in the transmission groove, and a connecting hinge (204) is vertically slidably provided outside the control slide rod (203), and the connecting hinge (204) is hingedly connected to the control swing rod (202); the control slide rod (203) is fixedly connected to the telescopic end of the control electric cylinder (501).

3. A sports stadium ventilation device based on intelligent control as claimed in claim 1, characterized in that: The positioning frame (3) is provided with assembly holes all around; the ventilation channel (2) is integrally provided with protruding positioning ears at the four corners on one side of the room; the positioning frame (3) is provided with four groups of screw holes at positions aligned with the positioning ears; the ventilation channel (2) and the positioning frame (3) are fixedly connected by bolts passing through the positioning ears and inserted into the screw holes; the ventilation channel (2) is installed above the gymnasium (1).

4. A sports stadium ventilation device based on intelligent control as claimed in claim 3, characterized in that: A vertical louver (401) is rotatably arranged in the middle of the inner louver frame (4), and rubber strips are arranged at the edges of the vertical louvers (401); the bottom ends of the vertical louvers (401) pass through the bottom of the inner louver frame (4) and are fixedly provided with a control worm gear (402); a transmission compartment is arranged at the bottom of the inner louver frame (4), and a control worm (403) is rotatably arranged in the transmission compartment, the control worm (403) is transmission-connected to the control worm gear (402), and a control motor (404) for driving the control worm gear (403) is fixedly arranged on one side of the transmission compartment.

5. The sports stadium ventilation equipment based on intelligent control as claimed in claim 1, characterized in that: An opening and closing electric cylinder (601) is fixedly arranged in the middle of the bottom of the U-shaped base frame (6), and a sealed partition (602) is arranged outside the opening and closing electric cylinder (601); a circular groove structure is provided in the middle of the bottom of the sealed partition (602), and the telescopic end of the opening and closing electric cylinder (601) is fixedly connected to the inner top surface of the circular groove structure; the sealed partition (602) is slidably connected to the bottom of the inner louver frame (4), and the width of the sealed partition (602) is consistent with the inner width of the inner louver frame (4).

6. A sports stadium ventilation device based on intelligent control as claimed in claim 4, characterized in that: A heater (702) is fixedly arranged at the upper middle portion of the active air control channel (7); the heater (702) is made of a stainless steel electric heating tube; the heater (702) is located between two openings on one side of the active air control channel (7).

7. A sports stadium ventilation device based on intelligent control as claimed in claim 6, characterized in that: An indoor data acquisition module is installed inside the gymnasium (1), and the indoor data acquisition module includes an air pressure sensor, a temperature sensor, an air quality sensor and a light sensor; an outdoor data acquisition module is installed outside the gymnasium (1), and the outdoor data acquisition module includes an air pressure sensor, a temperature sensor, a wind direction sensor and a wind speed sensor.

8. A sports stadium ventilation device based on intelligent control as claimed in claim 7, characterized in that: The gymnasium (1) is internally installed with a central processing module for setting parameters, the central processing module comprising a data summarization unit, a data storage unit, a learning unit and an analysis unit, the data summarization unit being used to summarize the building indoor environmental parameters collected by the indoor data collection module; the data storage unit being used to store the environmental parameters collected by the summarization unit; and the learning unit being used for the system to learn the data of the building indoor environmental parameters through the data summarization unit and the data storage unit; The analysis unit is used to analyze the stored environmental parameter data; the central processing module is also connected to a processing terminal capable of control and feedback display.

9. A sports stadium ventilation device based on intelligent control as claimed in claim 8, characterized in that: The central processing module has a built-in execution module, and the execution module is provided with signal lines connected to the control motor (404), the control electric cylinder (501), the main control air pump (705) and the heater (702).

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