Electric heating device for additional heating device of motor vehicle

Abstract

The invention discloses electric heating equipment for an additional heating device of a motor vehicle, and relates to the technical field of electric heating equipment.The electric heating equipment comprises a fixed base, a front shell and a rear shell are arranged on the upper surface of the fixed base, and air inlets and air outlets are formed in the surfaces of the two sides of the front shell and the surfaces of the two sides of the rear shell correspondingly; an exhaust fan is arranged at an air inlet of the front shell, adjusting mechanisms are arranged in the front shell and the rear shell, each adjusting mechanism comprises a plate body assembly and a trigger assembly, each plate body assembly comprises an inner base plate, a plurality of fixed connecting columns are arranged on the upper surface of each inner base plate, each trigger assembly comprises a bottom supporting rod, and each bottom supporting rod is provided with an air inlet and an air outlet. The bottom supporting rod is fixedly installed below the connecting strip, an air inducing cavity is formed in the bottom face of the inner base plate, and an air inducing opening communicating with the air inducing cavity is formed in the surface of one side of the inner base plate. According to the scheme, by arranging the adjusting mechanism, the heating efficiency can be improved through automatic triggering, and the heating effect is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of electric heating equipment, in particular to an electric heating equipment for an additional heating device of a motor vehicle. Background Art

[0002] With the continuous advancement of motor vehicle technology and people's increasing pursuit of driving comfort, the application of additional heating devices in motor vehicles has become more and more widespread. This device preheats the air entering the vehicle through electric heating equipment to increase the temperature of the cab and provide passengers with a more comfortable driving experience.

[0003] However, there are some inconveniences in the use of traditional heating devices. Traditional heating devices often use a single heating element, such as an electric heating plate for heating. Its position and shape are generally fixed. When the wind is too strong, it is easy for the air to pass through quickly because the contact time with the heating plate is too short, resulting in the heating effect not meeting the expected level. In addition, long-term use and high-temperature environment can easily cause the heating element to deform, thereby affecting its heating effect and service life. Traditional repair methods often require disassembly and replacement of the entire heating device, which is not only time-consuming and labor-intensive, but also increases the user's maintenance costs. Summary of the Invention

[0004] The object of the present invention is to provide an electric heating device for an additional heating device of a motor vehicle to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an electric heating device for an additional heating device of a motor vehicle, comprising: A fixed base, wherein a front shell and a rear shell are provided on the upper surface of the fixed base, an air inlet and an air outlet are respectively provided on the two side surfaces of the front shell and the rear shell, the air inlet of the rear shell is connected to the air outlet of the front shell, an exhaust fan is provided at the air inlet of the front shell, and an adjustment mechanism is provided inside the front shell and the rear shell; The adjustment mechanism includes a plate assembly and a trigger assembly, wherein the plate assembly includes: an internal base plate, wherein a plurality of fixed connecting columns are provided on the upper surface of the internal base plate, wherein two fixed connecting columns form a group, a heating base plate is provided between the two fixed connecting columns of each group, and a bottom sliding block is fixedly installed on the bottom surface of each fixed connecting column; The trigger assembly includes: a bottom support rod, which is fixedly installed below the connecting strip, an air induced air cavity is provided on the bottom surface of the internal base plate, and an air induced air port connected to the air induced air cavity is provided on one side surface of the internal base plate. The bottom support rod is located inside the air induced air cavity, a connecting block is fixedly installed on one end of the connecting strip, a slidable pushing top block is provided on one side of the connecting block, a force transmission rod is provided on the side surface of the pushing top block facing away from the connecting block, and a force-bearing arc plate is provided on the end of the force transmission rod.

[0006] Furthermore, a connecting strip is provided on the side surface of the bottom sliding block, and each of the bottom sliding blocks is connected by the connecting strip, and a pressure sensor is provided on one side surface of the outermost bottom sliding block, a placement groove is provided at the center of the heating substrate, a temperature transfer plate is provided on one side surface of the placement groove, an electric heating wire is provided inside the placement groove, a power cable is provided at one end of the electric heating wire, one end of the power cable is connected to a power conditioner, a main power cable is provided on the bottom surface of the power conditioner, and a series wire is also provided on one side surface of the power conditioner, and the other end of the series wire is connected to one side surface of the pressure sensor.

[0007] Furthermore, one side surface of the pushing top block is provided with a sliding side piece, one side surface of the engaging block is provided with a sliding groove matching the sliding side piece, and one side surface of the bottom support rod is also provided with a limiting card for limiting the sliding distance of the pushing top block.

[0008] Furthermore, an inner sealing plate is provided inside the air induced cavity, and a circular hole is provided on the surface of the inner sealing plate for the force transmission rod to pass through. The bottom surface of the bottom support rod, the coupling block, the pushing top block and the force arc plate are all provided with supporting pulleys.

[0009] Furthermore, the adjustment mechanism also includes a repair component, which includes: a top limiting block, the top limiting block is fixedly mounted on the upper surface of the fixed connecting column, the side surface of the top limiting block is provided with a top plate, the upper surface of the top limiting block is fixedly mounted with an end connecting plate, one side surface of the end connecting plate is provided with a rotatable threaded rod, one end of the threaded rod is provided with a driving motor for driving it, and the surface of the threaded rod is also provided with a movable engaging sliding block, and a threaded hole that engages with the threaded rod is opened at the center of the engaging sliding block.

[0010] Furthermore, a sliding plate is provided below the engaging sliding block, and a long groove is provided on the upper surface of the top limiting block to facilitate the connection between the engaging sliding block and the sliding plate. A limiting slide is also provided inside the top limiting block to prevent the sliding plate from detaching. Two sliding frames are also provided on the bottom surface of the sliding plate, and a storage groove for accommodating the sliding frame is provided on one side surface of the fixed connecting column.

[0011] Furthermore, an additional box is provided on the upper and lower sides of the two sliding frames, a sensing plate is provided on one side surface of the additional box, a shrink sleeve is provided between the sensing plate and the additional box, a hidden groove is provided on one side surface of the additional box, a rotatable rotating plate is also provided on one side surface of the additional box, a repair pressure plate is fixedly installed on one side surface of the rotating plate, and a torsion spring is provided at the connection between the rotating plate and the additional box.

[0012] Furthermore, a movable hook is provided on the inner side surface of the hidden groove, a slot is provided on one side surface of the rotating plate to cooperate with the movable hook, a connecting spring is provided between the movable hook and the side surface of the hidden groove, a connecting rod is provided on one side surface of the movable hook, a matching arc piece is provided on one side surface of the connecting rod, and a touch pressure piece is provided on one side surface of the sensing piece to cooperate with one side surface of the matching arc piece.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. In this solution, a stable heating structure is formed by providing a plate assembly, multiple fixed connecting columns on the internal base plate, and the heating base plate. The electric heating wire and heat transfer plate provided inside the heating base plate can efficiently convert electrical energy into heat energy and transfer it to the passing air to achieve a heating effect. In addition, the adjustability of the plate assembly allows the heating base plate to deform according to the feedback of the trigger assembly when the air flow rate increases, thereby increasing the contact area and contact time with the air, thereby enhancing the heating effect. 2. In this solution, a trigger component is provided to automatically adjust the position and shape of the heating substrate by sensing changes in air flow rate to adapt to different heating needs. When the exhaust fan power increases and the air flow rate accelerates, the trigger component can respond quickly, using wind force to push the stressed arc plate, thereby causing the heating substrate to deform, increasing the contact area with the air and the heating time, improving heating efficiency, and enabling the device to adaptively adjust according to changes in the external environment; 3. In this solution, a repair component is provided, and the threaded rod is driven to rotate by a driving motor, thereby driving the engaging sliding block and the sliding frame to slide inside the top limiting block. The additional box and the repair pressure plate inside it can accurately locate the deformed position of the heating substrate and perform hammering or flattening operations, thereby ensuring the flatness of the surface of the heating substrate and the stability of the heating effect, thereby extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the adjustment mechanism of the present invention; Figure 3 A schematic diagram of a trigger assembly of the present invention; Figure 4 This is a schematic diagram of the heating substrate structure of the present invention; Figure 5 This is a schematic diagram of the repair component structure of the present invention; Figure 6 This is a schematic diagram of the internal structure of the additional box of the present invention; Figure 7 It is a partial structural diagram of the trigger component of the present invention.

[0015] In the figure: 1. Fixed base; 2. Front housing; 3. Rear housing; 4. Exhaust fan; 5. Internal base plate; 6. Fixed connecting column; 7. Air inlet; 8. Stress arc plate; 9. Inner sealing plate; 10. Electric heating wire; 11. Drive motor; 12. Threaded rod; 13. End connecting plate; 14. Engaging slide block; 15. Top plate; 16. Pressure sensor; 17. Series wires; 18. Power cable; 19. Power conditioner; 20. Main power cable; 21. Bottom slide block; 22. Connecting bar; 23. Bottom support rod; 24. Support pulley 25. Storage slot; 26. Top limiting block; 27. Heat transfer plate; 28. Heating substrate; 29. ​​Slide frame; 30. Additional box; 31. Induction plate; 32. Slide plate; 33. Rotating plate; 34. Shrink sleeve; 35. Torsion spring; 36. Contact plate; 37. Matching arc plate; 38. Connecting rod; 39. Connecting spring; 40. Movable hook; 41. Hidden slot; 42. Bayonet; 43. Repair pressure plate; 44. Engaging block; 45. Limiting card plate; 46. Sliding slot; 47. Push top block; 48. Sliding side plate; 49. Force transmission rod. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0017] Example 1: Please refer to Figures 1 to 7 An electric heating device for an additional heating device of a motor vehicle includes a fixed base 1, a front shell 2 and a rear shell 3 are provided on the upper surface of the fixed base 1, an air inlet and an air outlet are respectively opened on the side surfaces of the front shell 2 and the rear shell 3, the air inlet of the rear shell 3 is connected to the air outlet of the front shell 2, an exhaust fan 4 is provided at the air inlet of the front shell 2, and an adjustment mechanism is provided inside the front shell 2 and the rear shell 3; When in use, external air is sucked in by the exhaust fan 4 and then discharged into the interior of the front shell 2 and the rear shell 3 for heating treatment. The heated air enters the interior of the vehicle cab through the air outlet of the rear shell 3.

[0018] The adjustment mechanism includes a plate assembly and a trigger assembly, and the plate assembly includes: an internal base plate 5, a plurality of fixed connecting columns 6 are provided on the upper surface of the internal base plate 5, each two fixed connecting columns 6 form a group, and a heating base plate 28 is provided between the two fixed connecting columns 6 in each group, and a bottom sliding block 21 is fixedly installed on the bottom surface of each fixed connecting column 6, and a connecting strip 22 is provided on the side surface of the bottom sliding block 21. Each bottom sliding block 21 is connected by the connecting strip 22, and a pressure sensor 16 is provided on one side surface of the outermost bottom sliding block 21, and a placement groove is provided at the center of the heating base plate 28, and a temperature transfer plate 27 is provided on one side surface of the placement groove. An electric heating wire 10 is provided inside the placement groove, and a power cable 18 is provided at one end of the electric heating wire 10, and one end of the power cable 18 is connected to a power conditioner 19. A main power cable 20 is provided on the bottom surface of the power conditioner 19, and a series wire 17 is also provided on one side surface of the power conditioner 19, and the other end of the series wire 17 is connected to one side surface of the pressure sensor 16; During use, when air passes through the inside of the two shells, the air comes into contact with the plate assembly and is heated. When the air passes through the inside of the front shell 2 and the rear shell 3, because the electric heating wire 10 arranged inside the heating substrate 28 is connected to the voltage regulator 19 by the power cable 18, when the power regulator 19 receives the power supply and adjusts it to the appropriate voltage, the current passes through the electric heating wire 10, causing it to heat up, and then transfers the heat energy to the temperature transfer plate 27 to achieve heating of the air. The voltage regulator 19 is mainly responsible for adjusting the current passing through the electric heating wire 10, thereby controlling the heating temperature. A main power cable 20 is provided on its bottom surface for receiving external power supply, and a series wire 17 is provided on one side surface connected to the pressure sensor 16, which can adjust the power output according to the signal of the pressure sensor.

[0019] The trigger assembly includes: a bottom support rod 23, the bottom support rod 23 is fixedly installed below the connecting strip 22, the bottom surface of the internal base plate 5 is provided with an air induction cavity, and one side surface of the internal base plate 5 is provided with an air induction port 7 connected to the air induction cavity. The bottom support rod 23 is located inside the air induction cavity, one end of the connecting strip 22 is fixedly installed with a joint block 44, one side of the joint block 44 is provided with a slidable push top block 47, one side surface of the push top block 47 is provided with a sliding side piece 48, and one side surface of the joint block 44 is provided with a sliding side piece 48. A matching sliding groove 46 is provided on one side surface of the bottom support rod 23, and a limiting card plate 45 is provided on the side surface of the push top block 47 to limit the sliding distance of the push top block 47. A force transmission rod 49 is provided on the side surface of the push top block 47 away from the joint block 44. A force arc plate 8 is provided at the end of the force transmission rod 49. An inner sealing plate 9 is further provided inside the air induction cavity. A circular hole is provided on the surface of the inner sealing plate 9 to facilitate the penetration of the force transmission rod 49. The bottom surfaces of the bottom support rod 23, the joint block 44, the push top block 47, and the force arc plate 8 are all provided with a supporting pulley 24. The trigger component is used to adjust the plate component according to the speed of the wind passing through. During use, when the passengers in the cab increase the air output power of the internal heating device as needed, the power of the exhaust fan 4 is enhanced, and the flow rate of the inhaled air becomes faster, causing the wind to pass through the two shells at a faster speed. The wind is delivered to the interior of the cab before it is fully heated, resulting in insufficient heating effect inside the cab. The trigger component can play a role in this case. When the power of the exhaust fan 4 is enhanced and the flow rate of the inhaled air becomes faster, when the wind enters the air inlet of the front shell 2, part of the wind is drawn to the inlet through the air inlet 7. The inside of the air cavity and contacts the stressed arc plate 8. Because the inner bottom surface of the air cavity is an inclined surface toward the air inlet 7, the stressed arc plate 8 will remain close to the air inlet 7 due to its own weight after there is not enough wind to push it. After the stressed arc plate 8 is pushed by the wind with sufficient strength, the stressed arc plate 8 slides toward the inside of the air cavity and uses the sliding side piece 48 on the side of the pushing top block 47 to slide inside the sliding groove 46 on the side of the engaging block 44. As the pushing top block 47 moves, the engaging block 44 is pushed toward the side together with the bottom support rod 23. After the pushing top block 47 is pushed to the farthest distance, it is connected to the bottom support rod The limiting card plate 45 on the side of the front housing 23 is engaged and is restricted by the limiting card plate 45 to stop. As the multiple bottom support rods 23 move laterally, the bottom sliding block 21 is driven to generate a pulling force from the bottom center of the heating substrate 28. Because the bottom surface of the heating substrate 28 and the upper surface of the internal substrate 5 are not fixed, the heating substrate 28 will be deformed as the bottom sliding block 21 pulls, causing the heating substrate 28 to generate a curved surface in one direction. The curved surface positions inside the front housing 2 and the rear housing 3 are set in opposite directions, so that when the wind passes through the interior of the front housing 2 and the rear housing 3, the contact area with the heating substrate 28 is increased. And because of the curved air duct, the air passes through the front shell 2 and the rear shell 3 for a longer time, thereby achieving a stronger heating effect. When the bottom sliding block 21 moves sideways, the bottom sliding block 21 at the sidemost side moves and approaches the pressure sensor 16, and presses the connecting sensing rod between the pressure sensor 16. After receiving the signal, the pressure sensor 16 transmits the signal to the inside of the power regulator 19 through the series wire 17. The power regulator 19 then increases the output power of the electric heating wire 10, so that the heating effect of the heating substrate 28 is stronger. Combined with the change of the air duct, the heating effect of the air is significantly improved.

[0020] The adjustment mechanism also includes a repair component, which includes: a top limit block 26, the top limit block 26 is fixedly mounted on the upper surface of the fixed connecting column 6, the side surface of the top limit block 26 is provided with a top plate 15, the upper surface of the top limit block 26 is fixedly mounted with an end connecting plate 13, one side surface of the end connecting plate 13 is provided with a rotatable threaded rod 12, one end of the threaded rod 12 is provided with a driving motor 11 for driving it, the surface of the threaded rod 12 is also provided with a movable engaging sliding block 14, the center of the engaging sliding block 14 is provided with a threaded hole engaged with the threaded rod 12, and a sliding piece 32 is provided below the engaging sliding block 14, the upper surface of the top limit block 26 is provided with a long groove for facilitating the connection between the engaging sliding block 14 and the sliding piece 32, the interior of the top limit block 26 is also provided with a limiting slideway for preventing the sliding piece 32 from disengaging, and the bottom surface of the sliding piece 32 is also provided with two sliding frames 29, and one side surface of the fixed connecting column 6 is provided with a The storage slot 25 of the frame 29, the upper and lower sides of the two sliding frames 29 are each provided with an additional box 30, one side surface of the additional box 30 is provided with a sensing sheet 31, a shrink sleeve 34 is provided between the sensing sheet 31 and the additional box 30, a hidden groove 41 is opened on one side surface of the additional box 30, and a rotatable rotating plate 33 is further provided on one side surface of the additional box 30, and a repair pressure plate 43 is fixedly installed on one side surface of the rotating plate 33, and a torsion spring 35 is provided at the connection between the rotating plate 33 and the additional box 30, and the inner side surface of the hidden groove 41 is provided with a movable movable hook 40, and one side surface of the rotating plate 33 is provided with a bayonet 42 that cooperates with the movable hook 40, and a connecting spring 39 is provided between the movable hook 40 and the side surface of the hidden groove 41, and a connecting rod 38 is provided on one side surface of the movable hook 40, and a matching arc piece 37 is provided on one side surface of the connecting rod 38, and a touch pressure piece 36 that cooperates with a side surface of the matching arc piece 37 is provided on one side surface of the sensing sheet 31; After the wind force decreases, the repair component is used after the trigger component stops changing the air duct. In this case, the heating base 28 returns to its original state with memory. At this time, the repair component is started, and the threaded rod 12 is driven by the driving motor 11 to rotate, and the meshing sliding block 14 is driven. A repair process is that the meshing sliding block 14 moves back and forth on the surface of the threaded rod 12. When in use, as the meshing sliding block 14 moves, the sliding piece 32 below the meshing sliding block 14 slides inside the top limit block 26, and the sliding frame 29 below is brought out from the inside of the storage groove 25. The additional boxes 30 on both sides of the slide 29 slide on the surface of the heating substrate 28. Because the additional boxes 30 have a certain thickness, during the sliding process, the electric heating wire 10 and the temperature transfer plate 27 will not be affected by the contact effect of the slide 29. During the sliding, if the heating substrate 28 is deformed after being bent for a long time, the additional box 30 will slide, and the induction piece 31 will first contact the inclined angle and press the shrink sleeve 34 and shrink. As the induction piece 31 shrinks, the contact piece 36 on one side of the induction piece 31 will move synchronously and push the arc piece 37 to one side, so that the matching arc piece 37 can be matched. The arc-closing piece 37 pushes the movable hook 40 to one side through the connecting rod 38. The movable hook 40 completes its movement after compressing the connecting spring 39 and loses the hooking effect with the bayonet 42, causing the rotating plate 33 to pop out quickly under the action of the torsion spring 35 and rotate 180 degrees. The inclined position is hammered by the repair pressure plate 43 on the side surface to return it to a flat state. Subsequently, the repair pressure plate 43 is attached to the surface of the heating substrate 28. When the engaging sliding block 14 drives the slide frame 29 to move, the repair pressure plate 43 also rubs on the surface of the heating substrate 28, heating the surface of the heating substrate 28. The tilt angle that appears is flattened to ensure the flatness of the surface of the heating substrate 28. Then, when it reaches the inside of the receiving groove 25 of the fixed connecting column 6 on the other side, the unfolded rotating plate 33 is retracted as the engaging sliding block 14 moves and receives the reaction force at the entrance of the receiving groove 25. After completely entering the interior of the receiving groove 25, the latch 42 on the side surface of the rotating plate 33 is re-hooked with the movable hook 40. Then, by driving the reverse rotation of the motor 11, the engaging sliding block 14 carries the slide frame 29 for a return movement and returns to the receiving groove 25 on the side surface of the fixed connecting column 6 for storage.

[0021] The working principle of the present invention is: When in use, the external air is sucked in by the exhaust fan 4 and then discharged into the interior of the front housing 2 and the rear housing 3 for heating. The heated air enters the interior of the vehicle cab through the air outlet of the rear housing 3; During use, when air passes through the inside of the two shells, the air comes into contact with the plate assembly and is heated. When the air passes through the inside of the front shell 2 and the rear shell 3, because the electric heating wire 10 arranged inside the heating substrate 28 is connected to the voltage regulator 19 by the power cable 18, when the power regulator 19 receives the power supply and adjusts it to the appropriate voltage, the current passes through the electric heating wire 10, causing it to heat up, and then transfers the heat energy to the temperature transfer plate 27 to achieve heating of the air. The voltage regulator 19 is mainly responsible for adjusting the current passing through the electric heating wire 10, thereby controlling the heating temperature. A main power cable 20 is provided on its bottom surface for receiving external power supply, and a series wire 17 is provided on one side surface to be connected to the pressure sensor 16, which can adjust the power output according to the signal of the pressure sensor; When the power of the exhaust fan 4 is increased and the flow rate of the inhaled air becomes faster, when the wind enters the air inlet of the front shell 2, a part of the wind is guided into the interior of the air induction chamber through the air inlet 7 and contacts the stressed arc plate 8. After the stressed arc plate 8 is pushed by the wind force of sufficient strength, the stressed arc plate 8 slides toward the interior of the air induction chamber and uses the sliding side pieces 48 on the side of the pushing top block 47 to slide inside the sliding groove 46 on the side of the engaging block 44, and as the pushing top block 47 moves, the engaging block 44 is pushed sideways together with the bottom support rod 23. After the pushing top block 47 is pushed to the farthest distance, it engages with the limiting card 45 on the side of the bottom support rod 23 and is restricted by the limiting card 45 to stop. As the multiple bottom support rods 23 move laterally, the bottom sliding block 21 is driven, and a pulling force is generated from the bottom center of the heating substrate 28. Because the bottom surface of the heating substrate 28 is not fixed to the upper surface of the internal substrate 5, the heating The substrate 28 will deform as the bottom sliding block 21 pulls, causing the heating substrate 28 to produce a curved surface in one direction, and the curved surfaces inside the front shell 2 and the rear shell 3 are set in opposite positions. When the wind passes through the interior of the front shell 2 and the rear shell 3, the contact area with the heating substrate 28 is increased, and due to the curved air duct, the wind passes through the front shell 2 and the rear shell 3 for a longer time, thereby achieving a stronger heating effect. When the bottom sliding block 21 moves sideways, the bottom sliding block 21 at the far side moves and approaches the pressure sensor 16, and presses the connecting sensing rod between the pressure sensor 16. After receiving the signal, the pressure sensor 16 transmits the signal to the inside of the power regulator 19 through the series wire 17. The power regulator 19 then increases the output power of the electric heating wire 10, so that the heating effect of the heating substrate 28 is stronger. Combined with the change of the air duct, the heating effect of the air is significantly improved. After the wind force decreases, the complex component is used after the trigger component stops changing the air duct. When in use, as the engaging sliding block 14 moves, the sliding piece 32 below the engaging sliding block 14 slides inside the top limiting block 26, bringing the lower slide frame 29 out from the inside of the storage groove 25. The additional boxes 30 on both sides of the slide frame 29 slide on the surface of the heating substrate 28. Because the additional box 30 has a certain thickness, during the sliding process, the electric heating wire 10 and the heat transfer plate 27 will not be affected by the contact with the slide frame 29. Effect: When sliding, if the heating substrate 28 is deformed after being bent for a long time, the additional box 30 will slide, and the sensing piece 31 will first contact the tilt angle and press the shrink sleeve 34 to shrink. As the sensing piece 31 shrinks, the touch-pressure piece 36 on one side of the sensing piece 31 will move synchronously and push the matching arc piece 37 to one side. The matching arc piece 37 pushes the active hook 40 to one side through the connecting rod 38. The active hook 40 completes the movement after compressing the connecting spring 39 and loses contact with the bayonet. The hooking effect of 42 causes the rotating plate 33 to pop out quickly under the action of the torsion spring 35 and rotate 180 degrees, and the repair pressure plate 43 on the side surface hammers the inclined position to return it to a flat state. Subsequently, the repair pressure plate 43 is attached to the surface of the heating substrate 28. When the engaging sliding block 14 drives the slide frame 29 to move, the repair pressure plate 43 also rubs on the surface of the heating substrate 28, flattens the inclined angle on the surface of the heating substrate 28, thereby ensuring the flatness of the surface of the heating substrate 28. After that, when it reaches the receiving groove 25 of the fixed connecting column 6 on the other side, the unfolded rotating plate 33 is retracted as the engaging sliding block 14 moves and receives the reaction force at the entrance of the receiving groove 25. After completely entering the interior of the receiving groove 25, the latch 42 on the side surface of the rotating plate 33 is re-hooked with the movable hook 40. Then, by driving the reverse rotation of the driving motor 11, the engaging sliding block 14 carries the sliding frame 29 for a return movement and returns to the receiving groove 25 on the side surface of the fixed connecting column 6 for storage.

[0022] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An electric heating device for an additional heating device of a motor vehicle, characterized in that include: A fixed base (1), wherein the upper surface of the fixed base (1) is provided with a front shell (2) and a rear shell (3), both side surfaces of the front shell (2) and the rear shell (3) are respectively provided with an air inlet and an air outlet, the air inlet of the rear shell (3) is connected to the air outlet of the front shell (2), an exhaust fan (4) is provided at the air inlet of the front shell (2), and adjustment mechanisms are provided inside the front shell (2) and the rear shell (3); The adjustment mechanism includes a plate assembly and a trigger assembly, wherein the plate assembly includes: an internal base plate (5), a plurality of fixed connection columns (6) are provided on the upper surface of the internal base plate (5), two fixed connection columns (6) form a group, a heating base plate (28) is provided between the two fixed connection columns (6) in each group, and a bottom sliding block (21) is fixedly installed on the bottom surface of each fixed connection column (6); The trigger assembly comprises: a bottom support rod (23), the bottom support rod (23) being fixedly mounted below the connecting strip (22), an air induction cavity being provided on the bottom surface of the internal base plate (5), an air induction port (7) being connected to the air induction cavity being provided on one side surface of the internal base plate (5), the bottom support rod (23) being located inside the air induction cavity, a joint block (44) being fixedly mounted on one end of the connecting strip (22), a slidable pushing top block (47) being provided on one side of the joining block (44), a force transmission rod (49) being provided on the side surface of the pushing top block (47) facing away from the joining block (44), and a force arc plate (8) being provided at the end of the force transmission rod (49).

2. The electric heating device for an additional heating device of a motor vehicle according to claim 1, characterized in that: The side surface of the bottom sliding block (21) is provided with a connecting strip (22), and each of the bottom sliding blocks (21) is connected to each other through the connecting strip (22), and a pressure sensor (16) is provided on one side surface of the outermost bottom sliding block (21), and a placement groove is provided at the center of the heating substrate (28), and a heat transfer plate (27) is provided on one side surface of the placement groove, and an electric heating wire (10) is provided inside the placement groove, and a power cable (18) is provided at one end of the electric heating wire (10), and one end of the power cable (18) is connected to an electric power regulator (19), and a main power cable (20) is provided on the bottom surface of the electric power regulator (19), and a series wire (17) is also provided on one side surface of the electric power regulator (19), and the other end of the series wire (17) is connected to one side surface of the pressure sensor (16).

3. The electric heating device for an additional heating device of a motor vehicle according to claim 1, characterized in that: A sliding side piece (48) is provided on one side surface of the pushing top block (47), a sliding groove (46) matching the sliding side piece (48) is provided on one side surface of the engaging block (44), and a limiting card (45) for limiting the sliding distance of the pushing top block (47) is also provided on one side surface of the bottom support rod (23).

4. The electric heating device for an additional heating device of a motor vehicle according to claim 3, characterized in that: An inner sealing plate (9) is further provided inside the air induction chamber, and a circular hole is provided on the surface of the inner sealing plate (9) for the force transmission rod (49) to pass through. Support pulleys (24) are provided on the bottom surfaces of the bottom support rod (23), the joint block (44), the push top block (47), and the force arc plate (8).

5. The electric heating device for an additional heating device of a motor vehicle according to claim 1, characterized in that: The adjustment mechanism also includes a repair component, which includes: a top limiting block (26), the top limiting block (26) is fixedly mounted on the upper surface of the fixed connecting column (6), the side surface of the top limiting block (26) is provided with a top plate (15), the upper surface of the top limiting block (26) is fixedly mounted with an end connecting plate (13), a side surface of the end connecting plate (13) is provided with a rotatable threaded rod (12), one end of the threaded rod (12) is provided with a driving motor (11) for driving the threaded rod (12), and a movable engaging sliding block (14) is further provided on the surface of the threaded rod (12), and a threaded hole engaged with the threaded rod (12) is provided at the center of the engaging sliding block (14).

6. The electric heating device for an additional heating device of a motor vehicle according to claim 5, characterized in that: A slide plate (32) is provided below the engaging sliding block (14), and a long groove is provided on the upper surface of the top limiting block (26) for facilitating the connection between the engaging sliding block (14) and the slide plate (32). A limiting slideway is provided inside the top limiting block (26) for preventing the slide plate (32) from detaching. Two slide frames (29) are provided on the bottom surface of the slide plate (32), and a receiving groove (25) for receiving the slide frame (29) is provided on one side surface of the fixed connecting column (6).

7. The electric heating device for an additional heating device of a motor vehicle according to claim 6, characterized in that: An additional box (30) is provided on the upper and lower sides of the two sliding frames (29), a sensing sheet (31) is provided on one side surface of the additional box (30), a shrink sleeve (34) is provided between the sensing sheet (31) and the additional box (30), a hidden groove (41) is provided on one side surface of the additional box (30), a rotatable rotating plate (33) is also provided on one side surface of the additional box (30), a repair pressure plate (43) is fixedly installed on one side surface of the rotating plate (33), and a torsion spring (35) is provided at the connection between the rotating plate (33) and the additional box (30).

8. The electric heating device for an additional heating device of a motor vehicle according to claim 7, characterized in that: The inner side surface of the hidden groove (41) is provided with a movable hook (40), a side surface of the rotating plate (33) is provided with a bayonet (42) that matches the movable hook (40), a connecting spring (39) is provided between the movable hook (40) and the side surface of the hidden groove (41), a side surface of the movable hook (40) is provided with a connecting rod (38), a side surface of the connecting rod (38) is provided with a matching arc piece (37), and a side surface of the sensing piece (31) is provided with a touch-pressure piece (36) that matches a side surface of the matching arc piece (37).

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