Heat dissipation type constant temperature controller with energy-saving effect for large central air conditioner

Abstract

The invention discloses a heat dissipation type constant temperature controller with an energy-saving effect for a large central air conditioner, and relates to the field of air conditioner control, the heat dissipation type constant temperature controller comprises a control panel, a machine body and a mounting cover, the machine body is fixed to the rear side of the control panel, the mounting cover is connected to the outer side of the machine body, and an auxiliary frame is arranged on the rear side of the control panel; a heat dissipation channel is formed in the machine body, the upper end and the lower end of the heat dissipation channel are of opening-shaped structural design, an opening of the heat dissipation channel communicates with the auxiliary frame, a protective cover is arranged on the surface of the auxiliary frame and provides protection for the heat dissipation channel, and an air guide mechanism is arranged above the heat dissipation channel. According to the heat dissipation type constant temperature controller with the energy-saving effect for the large central air conditioner, operation heat of parts in the machine body is absorbed through the heat dissipation module, heat dissipation of the heat dissipation module can be conducted through cooperation of the heat dissipation module and the heat dissipation channel, airflow is blown out through the auxiliary frame, and the problem that heat dissipation is difficult due to the fact that the heat dissipation module is embedded into a wall is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of air conditioning control, in particular to a heat dissipation type constant temperature controller for a large central air conditioner with energy-saving effect. Background Art

[0002] Large-scale central air-conditioning control systems can be connected to the controller in an integrated manner. The controller is installed on the wall for easy adjustment. The controller is equipped with a control module and temperature sensor. The internal components will generate heat during operation. Large-scale central air-conditioning processes a large amount of data, and the continuous accumulation of operating heat can easily cause damage to the internal components of the controller.

[0003] Prior art 1 (application number CN201821981128.0, Chinese patent published on November 19, 2010) A heat dissipation type constant temperature controller for a large central air conditioner, including a controller body, the controller body including a main body shell and a power box both of which are rectangular, the power box and the control panel are respectively provided on two symmetrical sides of the main body shell, the upper and lower parts of the control panel are respectively provided with a display screen and buttons, the side walls of the power box and the main body shell are provided with a plurality of heat dissipation ventilation holes, and filters are provided in the heat dissipation ventilation holes. The application sets up heat dissipation ventilation holes, which are conducive to heat dissipation. The diameter of the heat dissipation ventilation holes can be set larger to accelerate heat dissipation, and the filter set in the heat dissipation ventilation holes can block dust from entering and avoid damage to parts; Prior art 2 (application number CN202120115652.5, Chinese patent published on December 3, 2021) A central air-conditioning controller, involving air-conditioning control, aims to solve the symptoms of air-conditioning disease caused by excessive temperature difference between indoor and outdoor. The key points of its technical solution are: including an external temperature detection circuit, which is used to collect outdoor temperature to output an external temperature signal as a voltage signal; a room temperature detection circuit, which is used to collect indoor temperature to output a room temperature signal as a voltage signal; a subtractor circuit, coupled to the external temperature detection circuit and the room temperature detection circuit, receives the external temperature signal and the room temperature signal and compares the voltage signal to output a temperature feedback signal. This application collects the indoor and outdoor ambient temperatures through an external temperature detection circuit and a room temperature detection circuit, performs linear amplification through an operational amplifier circuit, and transmits it to a subtractor circuit to obtain a voltage difference. The voltage difference is graded through a ten-level voltage divider comparator, and the difference in indoor and outdoor temperatures is intuitively displayed through the number of lit light-emitting diodes, thereby adjusting the cooling system or heating system through a switching circuit.

[0004] The current air conditioning thermostat controller is installed in an embedded manner, and its heat-generating components are located inside the wall, making subsequent heat dissipation difficult. Heat is easily accumulated, and as the temperature rises, the failure to dissipate heat in time can easily cause damage to the internal components of the controller, making the subsequent controller unable to be used normally, affecting the service life of the equipment. Summary of the invention

[0005] The object of the present invention is to provide a heat dissipation thermostatic controller for a large central air conditioner with energy-saving effect, so as to solve the problem proposed in the above background technology that the current air-conditioning thermostatic controller adopts embedded installation, and its heat-generating components are located in the wall, which makes subsequent heat dissipation more difficult, and heat is easily accumulated. Moreover, as the temperature rises, it cannot be dissipated in time, which also easily leads to damage to the internal components of the controller.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a heat dissipation thermostat controller for a large central air conditioner with energy-saving effect, comprising a control panel, a body and a mounting cover, the body is fixed on the rear side of the control panel, and the outer side of the body is connected to the mounting cover, the rear side of the control panel is provided with an auxiliary frame, a heat dissipation channel is opened inside the body, and the upper and lower ends of the heat dissipation channel are designed in an open-shaped structure, the opening of the heat dissipation channel and the auxiliary frame are connected to each other, and a protective cover is provided on the surface of the auxiliary frame to provide protection for the heat dissipation channel, an air guide mechanism is provided above the heat dissipation channel, a heat dissipation module is installed on the rear side of the body, and the heat dissipation module is located inside the heat dissipation channel, the rear side of the heat dissipation channel is designed in an open-shaped structure, and the rear side of the heat dissipation channel is docked with a docking bonding block, and the front side of the docking bonding block is provided with a forward pushing mechanism, and a high temperature detection mechanism is provided above the heat dissipation channel to disconnect the circuit connection in the body when the temperature is high.

[0007] To further optimize the technical solution, the installation cover is embedded in the wall, and a fixing seat is fixed on the surface of the installation cover, and the fixing seat cooperates with bolts to provide a fixing effect for the installation cover.

[0008] To further optimize the technical solution, a temperature sensor is provided below the heat dissipation channel to detect the temperature of external air entering the heat dissipation channel.

[0009] To further optimize the technical solution, the forward pushing mechanism includes a first spring and a limiting mechanism; A first spring is fixed to the rear side of the butt-jointed bonding block to provide a forward thrust for the butt-jointed bonding block, and a front-to-rear sliding structure is formed between the butt-jointed bonding block and the mounting cover; The limiting mechanism is arranged on the inner side of the mounting cover to limit the connection between the mounting cover and the machine body.

[0010] Further optimizing the technical solution, the limiting mechanism includes a limiting block, a third spring, a limiting groove, an automatic triggering mechanism, a control frame and an operating head; The limit blocks are arranged on the left and right sides of the machine body, and the outer ends of the limit blocks are designed to be inclined; A third spring is arranged at the inner end of the limit block to provide an outward thrust for the limit block; A limit groove is provided on the inner side of the mounting cover, and a clamping structure is formed between the limit groove and the limit block; An automatic trigger mechanism is connected to the limit block to automatically control the movement of the limit block; The control frame is fixed to the rear side of the limit block, and a sliding connection is formed between the control frame and the machine body; The operating head is fixed at the front end of the control frame, and the outer end of the operating head penetrates the surface of the auxiliary frame.

[0011] Further optimizing the technical solution, the high temperature detection mechanism includes a heat absorbing plate, a gas sealing cavity, a guide cavity, a sealing plug, a control board, a connector, a conduction head and a second spring; The heat absorbing plate is arranged above the heat dissipation module, and the heat absorbing plate is fixed on the upper part of the heat dissipation channel; A gas sealing chamber is arranged above the heat absorbing plate; A guide cavity connected to the rear side of the gas sealing cavity; A sealing plug is arranged inside the guide cavity; A control panel, fixed to the rear side of the sealing plug; A connector, arranged at the rear side of the machine body; The conduction head is connected to the connector to connect the circuit of the machine body, and the conduction head is located at the rear side of the control board; The second spring is arranged at the rear side of the conductive head to provide a thrust for connecting the conductive head with the connecting head.

[0012] To further optimize the technical solution, a speed regulating mechanism is provided on the outer side of the control plate, and the speed regulating mechanism controls the operating speed of the air guide mechanism when the control plate moves.

[0013] Further optimizing the technical solution, the speed regulating mechanism includes a transmission gear, a movable shaft and a speed regulator; A transmission gear is arranged above the control board and is meshedly connected between the control boards; The movable shaft is fixed to the middle of the transmission gear, and a rotation connection is formed between the movable shaft and the machine body; A speed regulator is connected to the movable shaft.

[0014] To further optimize the technical solution, the automatic trigger mechanism includes a control rope, which is connected to a limit block, and the limit block is connected to a control board through the control rope. After the control board pushes the conductive head to move, the control rope pulls the limit block to release the connection between the limit block and the limit groove.

[0015] To further optimize the technical solution, a guide column is fixed on the front side of the docking fitting block, a connecting groove which is nested with the guide column is opened on the rear side of the body, a fourth spring is fixed inside the connecting groove, and a push plate is fixed on the rear side of the fourth spring.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The heat generated by the components inside the machine body is absorbed by the heat dissipation module, and the heat dissipation module can be used to dissipate heat in conjunction with the heat dissipation channel, so that the air flow is blown out through the auxiliary frame, avoiding heat dissipation difficulties caused by wall-embedded installation. A temperature sensor is provided under the heat dissipation channel to detect the temperature of the incoming gas, which is then fed back to the equipment to facilitate adjustment of the operating status of the central air conditioner. Continuous intake makes temperature detection more flexible and accurate.

[0017] The rear side of the body is set to an open structure so that the heat dissipation module can leak out. Subsequently, the heat dissipation module can be directly exposed by pushing the body out of the mounting cover to facilitate heat dissipation. After the body is installed in the mounting cover, the heat dissipation channel is blocked by the docking and fitting blocks to allow the airflow to flow stably.

[0018] The temperature of the air flow passing through the heat dissipation module can be absorbed by the heat absorption plate. When it is in a high state, the line connection of the body can be automatically disconnected, thereby suspending the operation of the system in the body, avoiding continuous heating and protecting its internal components.

[0019] The speed of the air guide mechanism can be adjusted by the speed regulator. When the temperature is low, the air guide mechanism runs at a low speed. When the temperature is high, the speed of the air guide mechanism is increased to increase the heat dissipation effect, thereby making the overall operation of the heat dissipation structure more energy-efficient.

[0020] The movement of the limit block can be controlled by moving the control panel. After the connection between the limit block and the limit groove is released, the body can be actively pushed out of the installation cover, so that the heat dissipation module moves to the outside of the wall to facilitate the dissipation of heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a rear view structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the internal structure of the mounting cover of the present invention; Figure 4 It is a schematic diagram of the rear view structure of the machine body of the present invention; Figure 5 It is a schematic diagram of the side section structure of the present invention; Figure 6 For the present invention Figure 5 The enlarged structural diagram at a in the middle; Figure 7 This is a schematic diagram of the side cross-sectional structure of the guide cavity of the present invention; Figure 8 This is a schematic diagram of the main cross-sectional structure of the limit block of the present invention; Fig. 9 It is a schematic diagram of the top-section structure of the limit block of the present invention; Fig.10It is a schematic diagram of the top-sectional structure of the guide column of the present invention.

[0022] In the figure: 1. control panel; 2. machine body; 3. mounting cover; 4. fixing seat; 5. auxiliary frame; 6. docking fitting block; 7. first spring; 8. heat dissipation channel; 9. protective cover; 10. temperature sensor; 11. heat dissipation module; 12. air guide mechanism; 13. heat absorbing plate; 14. gas sealing chamber; 15. guide chamber; 16. sealing plug; 17. control board; 18. connector; 19. conduction head; 20. second spring; 21. transmission gear; 22. movable shaft; 23. speed regulator; 24. limit block; 25. third spring; 26. limit groove; 27. control rope; 28. control frame; 29. ​​operating head; 30. guide column; 31. connecting groove; 32. fourth spring; 33. push plate. DETAILED DESCRIPTION

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

[0024] See also Figure 1-Figure 10 The present invention provides the following technical solution: a heat dissipation thermostat controller for a large central air conditioner with energy-saving effect, comprising a control panel 1, a body 2 and a mounting cover 3, the body 2 is fixed to the rear side of the control panel 1, and the outer side of the body 2 is connected to the mounting cover 3; Embodiment 1: The present invention provides the following technical solution, which discloses that an auxiliary frame 5 is provided on the rear side of the control panel 1, a heat dissipation channel 8 is opened inside the body 2, and the upper and lower ends of the heat dissipation channel 8 are designed in an open structure, the opening of the heat dissipation channel 8 and the auxiliary frame 5 are connected to each other, and a protective cover 9 is provided on the surface of the auxiliary frame 5 to provide protection for the heat dissipation channel 8, an air guide mechanism 12 is provided above the heat dissipation channel 8, a heat dissipation module 11 is installed on the rear side of the body 2, and the heat dissipation module 11 is located inside the heat dissipation channel 8, the rear side of the heat dissipation channel 8 is designed in an open structure, and a docking bonding block 6 is docked on the rear side of the heat dissipation channel 8, and a forward pushing mechanism is provided on the front side of the docking bonding block 6, and a high temperature detection mechanism is provided above the heat dissipation channel 8 to disconnect the circuit connection in the body 2 when the temperature is high.

[0025] The body 2 is installed in the wall through the installation cover 3 for use, the operation of the central air conditioner is controlled by the control panel 1, the heat generated inside the body 2 is absorbed by the heat dissipation module 11, and the external air is sucked in from the bottom of the heat dissipation channel 8 through the operation of the air guide mechanism 12, so that the heat of the heat dissipation module 11 is taken out through the heat dissipation module 11 and blown out from the top of the auxiliary frame 5 to achieve the heat dissipation effect. When the heat dissipation module 11 continues to be high in temperature, the high temperature detection mechanism can disconnect the circuit connection of the body 2 to provide protection for it. At the same time, the body 2 can be pushed out of the installation cover 3 to facilitate the dissipation of its heat.

[0026] Embodiment 2: Based on Embodiment 1, it is disclosed that the mounting cover 3 is embedded in the wall, and a fixing seat 4 is fixed on the surface of the mounting cover 3, and the fixing seat 4 cooperates with bolts to provide a fixing effect for the mounting cover 3, and a temperature sensor 10 is arranged under the heat dissipation channel 8 to detect the temperature of the external gas entering the heat dissipation channel 8, and a guide column 30 is fixed on the front side of the docking block 6, and a connecting groove 31 which is nested with the guide column 30 is opened on the rear side of the body 2, and a fourth spring 32 is fixed inside the connecting groove 31, and a push plate 33 is fixed to the rear side of the fourth spring 32.

[0027] When in use, the installation cover 3 can be embedded and installed inside the wall, and the installation cover 3 can be fixed by the fixing seat 4, and then the body 2 can be inserted into the installation cover 3. The guide column 30 enters the connecting groove 31 to guide the insertion of the body 2 and maintain the installation stability of the body 2. When the body 2 is subsequently pushed out, the fourth spring 32 can push the guide column 30 out of the connecting groove 31, so that the body 2 can be separated from the connection with the docking fitting block 6.

[0028] Embodiment 3: On the basis of embodiment 1, a forward pushing mechanism is disclosed, including a first spring 7 and a limiting mechanism. The first spring 7 is fixed on the rear side of the docking fitting block 6 to provide a forward pushing force for the docking fitting block 6, and a front-rear sliding structure is formed between the docking fitting block 6 and the mounting cover 3. The limiting mechanism is arranged on the inner side of the mounting cover 3 to limit the connection between the mounting cover 3 and the body 2. The limiting mechanism includes a limiting block 24, a third spring 25, a limiting groove 26, an automatic triggering mechanism, a control frame 28 and an operating head 29. The limiting block 24 is arranged on the left and right sides of the body 2, and the outer end of the limiting block 24 is designed in an inclined structure. The third spring 25 is arranged on the inner end of the limiting block 24 to limit the limiting block 2 4 provides an outward thrust, a limit groove 26 is provided on the inner side of the mounting cover 3, and a snap-fit ​​structure is formed between the limit groove 26 and the limit block 24, an automatic trigger mechanism is connected to the limit block 24 to automatically control the movement of the limit block 24, a control frame 28 is fixed to the rear side of the limit block 24, and a sliding connection is formed between the control frame 28 and the body 2, an operating head 29 is fixed to the front end of the control frame 28, and the outer end of the operating head 29 passes through the surface of the auxiliary frame 5, the high temperature detection mechanism includes a heat absorbing plate 13, a gas sealing chamber 14, a guide chamber 15, a sealing plug 16, a control board 17, a connecting head 18, a conducting head 19 and a second spring 20, and the heat absorbing plate 13 is arranged on the heat dissipation module 11 , and the heat absorbing plate 13 is fixed on the upper part of the heat dissipation channel 8, the gas sealing chamber 14 is arranged above the heat absorbing plate 13, the guide chamber 15 is connected to the rear side of the gas sealing chamber 14, the sealing plug 16 is arranged inside the guide chamber 15, the control board 17 is fixed to the rear side of the sealing plug 16, the connector 18 is arranged on the rear side of the body 2, the conduction head 19 is connected to the connector 18 to connect the circuit of the body 2, and the conduction head 19 is located on the rear side of the control board 17, the second spring 20 is arranged on the rear side of the conduction head 19 to provide the conduction head 19 with a thrust for connecting with the connector 18, and a speed regulating mechanism is arranged on the outer side of the control board 17, and the speed regulating mechanism moves when the control board 17 The speed regulating mechanism controls the running speed of the air guide mechanism 12, and includes a transmission gear 21, a movable shaft 22 and a speed regulator 23. The transmission gear 21 is arranged above the control panel 17 and is meshed with the control panel 17. The movable shaft 22 is fixed in the middle of the transmission gear 21, and a rotational connection is formed between the movable shaft 22 and the machine body 2. The speed regulator 23 is connected to the movable shaft 22. The automatic trigger mechanism includes a control rope 27, and the control rope 27 is connected to a limit block 24. The limit block 24 is connected to the control panel 17 through the control rope 27. After the control panel 17 pushes the conduction head 19 to move, the control rope 27 pulls the limit block 24 to release the connection between the limit block 24 and the limit groove 26.

[0029] When the heat dissipation module 11 is dissipating heat, the hot air will heat the heat absorbing plate 13. When the heat dissipation module 11 is at a high temperature, the heat absorbing plate 13 is heated to heat the gas in the gas sealing chamber 14, causing it to expand, pushing the sealing plug 16 to move, and the sealing plug 16 drives the control board 17 to move. The control board 17 drives the movable shaft 22 to rotate through the engagement with the transmission gear 21, so that the speed regulator 23 rotates, increases the speed of the air guide mechanism 12, and improves its heat dissipation efficiency. If the high temperature continues to increase, the control board 17 continues to move, which will push the conduction head 19 to move and disconnect the conduction head 19 and the connector 18. At the same time, the control board 17 pulls the control rope 27 to drive the limit block 24 to move, and releases the connection between the limit block 24 and the limit groove 26. At this time, the first spring 7 will push the body 2 to move forward and push it out of the mounting cover 3, so that the body 2 leaks out, which is convenient for heat dissipation.

[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat dissipation thermostatic controller for a large central air conditioner having an energy-saving effect, comprising a control panel (1), a body (2) and a mounting cover (3), wherein the body (2) is fixed to the rear side of the control panel (1), and the outer side of the body (2) is connected to the mounting cover (3); Features: An auxiliary frame (5) is arranged at the rear side of the control panel (1); a heat dissipation channel (8) is provided inside the body (2); and the upper and lower ends of the heat dissipation channel (8) are designed as an open structure; the opening of the heat dissipation channel (8) and the auxiliary frame (5) are connected to each other; and a protective cover (9) is arranged on the surface of the auxiliary frame (5) to provide protection for the heat dissipation channel (8); an air guide mechanism (12) is arranged above the heat dissipation channel (8); a heat dissipation module (11) is installed at the rear side of the body (2); and the heat dissipation module (11) is located inside the heat dissipation channel (8); the rear side of the heat dissipation channel (8) is designed as an open structure; and a docking bonding block (6) is docked at the rear side of the heat dissipation channel (8); and a forward pushing mechanism is arranged at the front side of the docking bonding block (6); and a high temperature detection mechanism is arranged above the heat dissipation channel (8) to disconnect the circuit connection in the body (2) when the temperature is high.

2. A heat dissipation type thermostatic controller for a large central air conditioner with energy-saving effect according to claim 1, characterized in that: The installation cover (3) is embedded and installed in the wall, and a fixing seat (4) is fixed on the surface of the installation cover (3), and the fixing seat (4) cooperates with bolts to provide a fixing effect for the installation cover (3).

3. A heat dissipation type thermostatic controller for a large central air conditioner with energy-saving effect according to claim 1, characterized in that: A temperature sensor (10) is provided below the heat dissipation channel (8) to detect the temperature of external air entering the heat dissipation channel (8).

4. A heat dissipation type thermostatic controller for a large central air conditioner with energy-saving effect according to claim 1, characterized in that: The forward pushing mechanism comprises a first spring (7) and a limiting mechanism; A first spring (7) is fixed to the rear side of the butt-jointed bonding block (6) to provide a forward thrust for the butt-jointed bonding block (6), and a front-rear sliding structure is formed between the butt-jointed bonding block (6) and the mounting cover (3); The limiting mechanism is arranged on the inner side of the mounting cover (3) and limits the connection between the mounting cover (3) and the machine body (2).

5. A heat dissipation type thermostatic controller for a large central air conditioner with energy-saving effect according to claim 4, characterized in that: The limiting mechanism comprises a limiting block (24), a third spring (25), a limiting groove (26), an automatic triggering mechanism, a control frame (28) and an operating head (29); The limit blocks (24) are arranged on the left and right sides of the machine body (2), and the outer ends of the limit blocks (24) are designed to be inclined; A third spring (25), arranged at the inner end of the limit block (24) to provide an outward thrust for the limit block (24); A limit groove (26) is provided on the inner side of the mounting cover (3), and a snap-fit ​​structure is formed between the limit groove (26) and the limit block (24); An automatic trigger mechanism connected to the limit block (24) to automatically control the movement of the limit block (24); A control frame (28) is fixed to the rear side of the limit block (24), and a sliding connection is formed between the control frame (28) and the machine body (2); The operating head (29) is fixed to the front end of the control frame (28), and the outer end of the operating head (29) penetrates the surface of the auxiliary frame (5).

6. A heat dissipation type thermostatic controller for a large central air conditioner with energy-saving effect according to claim 5, characterized in that: The high temperature detection mechanism comprises a heat absorbing plate (13), a gas sealing chamber (14), a guide chamber (15), a sealing plug (16), a control plate (17), a connecting head (18), a conducting head (19) and a second spring (20); A heat absorbing plate (13) is arranged above the heat dissipation module (11), and the heat absorbing plate (13) is fixed to the upper part of the heat dissipation channel (8); A gas sealing chamber (14) is arranged above the heat absorbing plate (13); A guide cavity (15) connected to the rear side of the gas sealing cavity (14); A sealing plug (16) is arranged inside the guide cavity (15); A control panel (17) fixed to the rear side of the sealing plug (16); A connector (18) disposed on the rear side of the machine body (2); The conducting head (19) is connected to the connecting head (18) to connect the circuits of the machine body (2), and the conducting head (19) is located at the rear side of the control board (17); The second spring (20) is arranged on the rear side of the conducting head (19) to provide a thrust for connecting the conducting head (19) to the connecting head (18).

7. A heat dissipation type thermostatic controller for a large central air conditioner with energy-saving effect according to claim 6, characterized in that: A speed regulating mechanism is arranged on the outer side of the control plate (17), and the speed regulating mechanism controls the operating speed of the air guide mechanism (12) when the control plate (17) moves.

8. A heat dissipation type thermostatic controller for a large central air conditioner with energy-saving effect according to claim 7, characterized in that: The speed regulating mechanism comprises a transmission gear (21), a movable shaft (22) and a speed regulator (23); A transmission gear (21) is disposed above the control plate (17) and is meshedly connected with the control plate (17); A movable shaft (22) is fixed to the middle of the transmission gear (21), and a rotation connection is formed between the movable shaft (22) and the machine body (2); The speed regulator (23) is connected to the movable shaft (22).

9. A heat dissipation type thermostatic controller for a large central air conditioner with energy-saving effect according to claim 6, characterized in that: The automatic trigger mechanism comprises a control rope (27), the control rope (27) being connected to a limit block (24), the limit block (24) being connected to a control board (17) via the control rope (27), and after the control board (17) pushes the conduction head (19) to move, the control rope (27) pulls the limit block (24) to release the connection between the limit block (24) and the limit groove (26).

10. A heat dissipation type thermostatic controller for a large central air conditioner with energy-saving effect according to claim 1, characterized in that: A guide column (30) is fixed to the front side of the docking and fitting block (6), a connecting groove (31) is provided on the rear side of the machine body (2) and is nested with the guide column (30), a fourth spring (32) is fixed inside the connecting groove (31), and a push plate (33) is fixed to the rear side of the fourth spring (32).

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