Modularized solar PTC (Positive Temperature Coefficient) heating device

Abstract

The utility model discloses a modularized solar PTC (Positive Temperature Coefficient) heating device which comprises a support frame, a heating mechanism is arranged on the support frame, the heating mechanism comprises a mounting frame, a heat absorbing plate, a flow pipe, an external pipe and a PTC heating plate, a connecting mechanism is arranged on the external pipe, and the PTC heating plate is arranged on the mounting frame. The connecting mechanism comprises a connecting sleeve, an inserting pipe, a connecting pipe, a threaded sleeve, a threaded rod, a gear, a limiting rod, a sliding sleeve, a rack, a clamping plate and a locking mechanism, the connecting sleeve is fixed to the top end of the external connecting pipe, the inserting pipe is inserted into the connecting sleeve, the connecting pipe is fixed to the top end of the inserting rod, and the connecting mechanism is designed to remarkably improve the connecting and detaching efficiency between modules; through the combination of the sealing gasket and the sealing strip of the connecting sleeve, the sealing performance of the pipeline connecting position is ensured, the leakage phenomenon is avoided, in actual operation, the inserting pipe can be rapidly matched with the structure in the connecting sleeve, and the connecting mechanism is convenient and rapid to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heating system technical field, more specifically, it relates to a modular solar PTC heating device. BACKGROUND

[0002] Under the background that distributed new energy heating systems are gradually popular, modular solar PTC heating devices are widely used in heating systems of residences, offices and industrial sites due to their flexible installation and convenient combination and expansion, and users often combine multiple heating modules according to the heating area and heat demand to improve the overall heating efficiency and system capacity. In such a multi-module system, the different modules need to circulate the heat transfer medium and transfer heat through the medium flow pipe to ensure that each module works cooperatively and the overall temperature distribution is balanced.

[0003] However, in the prior art, the medium flow pipe between the two groups of modules is usually fixed or semi-fixed, and professional tools are usually required during installation, which is time-consuming and laborious and is not convenient for users to operate or quickly adjust the system layout.

[0004] In the operation and maintenance scenarios, users often need to disassemble, replace or expand the modular heating device, which requires a higher requirement for the quick disconnection and reconnection of the medium pipe. However, the existing connection structure has the problems of complex connection interface, difficult to guarantee sealing performance, easy to damage after repeated connection, etc. in actual use, which not only affects the maintenance efficiency of the module system, but also increases the instability of the system operation to some extent. UTILITY MODEL CONTENT

[0005] In view of the problems in the prior art, the utility model provides a modular solar PTC heating device to solve the technical problems mentioned in the background.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of modular solar PTC heating device, including support frame, heating mechanism is arranged on the support frame, the heating mechanism includes mounting frame, heat absorption plate, flow pipe, external pipe and PTC heating plate, mounting frame is fixed on support frame, heat absorption plate is fixed on mounting plate top surface, flow pipe is installed in mounting frame, external pipe is installed at flow pipe both ends, PTC heating plate is provided with multiple groups fixed in mounting frame inner side, connection mechanism is arranged on the external pipe, the connection mechanism includes connecting sleeve, spigot, connecting pipe, screw sleeve, screw rod, gear, limit rod, sliding sleeve, rack, clamping plate and locking mechanism, connecting sleeve is fixed at the top end of external pipe, spigot is inserted in connecting sleeve, connecting pipe is fixed at the top end of spigot, screw sleeve is provided with multiple groups fixed in the outer wall of connecting sleeve, screw rod is threadedly connected in multiple screw sleeves, gear rotates at the top end of multiple screw sleeves, limit rod is fixed at the top end of multiple screw rods and is slidably connected with gear, sliding sleeve is slid in the outer wall of connecting sleeve, rack is provided with multiple groups distributed in the outer wall of sliding sleeve and is respectively engaged with multiple gears, clamping plate is rotatably installed at the bottom end of multiple screw rods.

[0007] The utility model further provides that the outer wall of the plurality of PTC heating plates is provided with a plurality of heat dissipation fins, the plurality of heat dissipation fins are distributed on the outer side of the plurality of PTC heating plates, the design of the heat dissipation fins improves the heat dissipation efficiency, which helps to accelerate the release of heat, thereby enhancing the heat dissipation capacity of the heating plate and ensuring that the system avoids overheating when working efficiently.

[0008] The utility model further provides that a limiting groove is formed in the connecting sleeve, and the plurality of clamping plates are slidably arranged in the limiting groove, the design of the limiting groove and the sliding clamping plate ensures the accurate positioning of the clamping plates in the connecting sleeve, so that the assembly can stably maintain the position during assembly or disassembly, and the error or looseness between components is avoided.

[0009] The utility model further provides that a sealing gasket is arranged in the connecting sleeve, a sealing groove is formed in the bottom surface of the sealing gasket, and a sealing strip is arranged at the top end of the spigot, the combination of the sealing gasket and the sealing strip enhances the sealing property of the system, effectively avoids fluid leakage, ensures the efficiency and stability of the system, and avoids the influence of external environment.

[0010] The utility model further provides that the plurality of limit rods are polygonal and are slidably connected with the plurality of gears, the cooperation of the polygonal limit rods and the gears improves the positioning accuracy, so that the device can maintain a stable operating state during operation, and the instability caused by error is reduced.

[0011] The utility model further sets up, the locking mechanism includes installation cover, clamping plate, rotating cover, clamping sleeve, card block, slide rod, limit block and push spring, installation cover slides in the outer wall of connecting sleeve, clamping plate is provided with multiple groups distribution in installation cover bottom surface, rotating cover rotation is installed in the outer wall of connecting sleeve, clamping sleeve is provided with multiple groups distribution in rotating cover outer wall, card block is provided with multiple groups respectively fixed in installation cover outer wall, slide rod is provided with multiple groups respectively in clamping sleeve inside, limit block is installed in multiple groups slide rod top end, push spring is installed in multiple groups limit block outside and is connected with clamping sleeve inner wall.

[0012] The utility model further sets up, the rotating cover top surface is equipped with pull block, the pull block is provided with multiple groups, the outer wall of connecting sleeve is equipped with side plate fixedly, the side plate is provided with multiple groups and is equipped with the tension spring respectively with multiple pull block connection between, the design of pull block and tension spring makes device can effectively absorb the vibration of operation, provides sufficient elasticity simultaneously, ensures device stable work in the operation process and has longer service life.

[0013] The utility model further sets up, the installation cover top surface is equipped with compression spring between connecting sleeve, the compression spring is provided with multiple groups, the effect of compression spring is to provide necessary elasticity and buffer force, ensures the stable transition of device when connecting and dismounting, reduces the influence of mechanical stress to other components simultaneously, improves the overall stability and safety of system.

[0014] Compared with the prior art, the utility model provides a kind of modular solar PTC heating device, with the following beneficial effects:

[0015] 1, heating mechanism is heated to the medium in flowing pipe by heat absorption plate, fully utilizes solar energy to heat;And the setting of PTC heating plate ensures that in the absence of solar energy at night or cloudy day, still can provide stable heating effect, the setting of radiating fin effectively improves the conduction efficiency of heat, helps to more quickly transfer the medium after heating to flowing pipe, ensures the efficient operation of heating system, overall, heating mechanism can provide efficient and stable heating under different climate conditions, meet the demand of user to temperature.

[0016] 2, the design of connecting mechanism significantly improves the connection and dismounting efficiency between modules, the combination of sealing gasket and sealing strip of connecting sleeve ensures the sealing property of pipeline connection, avoids the occurrence of leakage phenomenon, in actual operation, plug pipe can be quickly cooperated with the structure in connecting sleeve, realizes the accurate control of screw rod by the meshing transmission of rack and pinion, to push the clamping plate fastening plug pipe outer wall, guarantee the firmness of connection, simultaneously, connecting mechanism is convenient and quick in the operation process, not only improves the efficiency of connection between modules, also reduces the fault risk due to improper connection.

[0017] 3、The design of the locking mechanism optimizes the safety and stability of the device, through the ingenious cooperation of the clamping plate and the clamping block, the locking mechanism can ensure that the external pipe is fixed more stably after connection, avoids loosening caused by vibration or external force, and in the disassembly process, the rotating sleeve drives the clamping block to move, releases the clamping state, cooperates with the action of the push spring and the compression spring, ensures the stability and safety of the disassembly process, the efficient operation of the locking mechanism makes the whole connection process more simple and reliable, thereby reducing the operation difficulty and improving the overall maintenance efficiency of the system. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of a modular solar PTC heating device in the utility model;

[0019] Figure 2 It is a structure schematic view in the mounting frame in the utility model;

[0020] Figure 3 It is a structure schematic view of the external pipe and the connecting sleeve in the utility model;

[0021] Figure 4 It is a sectional structure schematic view of the connecting mechanism in the utility model;

[0022] Figure 5 It is a structure schematic view of the locking mechanism in the utility model.

[0023] In the drawing: 1, support frame; 2, mounting frame; 3, heat absorption plate; 4, flow pipe; 5, external pipe; 6, PTC heating plate; 7, connecting sleeve; 8, insertion pipe; 9, connecting pipe; 10, screw sleeve; 11, screw rod; 12, gear; 13, limiting rod; 14, sliding sleeve; 15, rack; 16, clamping plate; 17, heat dissipation fin; 18, limiting groove; 19, sealing gasket; 20, sealing groove; 21, sealing strip; 22, mounting sleeve; 23, clamping plate; 24, rotating sleeve; 25, clamping sleeve; 26, clamping block; 27, sliding rod; 28, limiting block; 29, push spring; 30, pull block; 31, side plate; 32, tension spring; 33, compression spring. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0026] In the utility model, in the case where no opposite statement is made, the orientation such as "up, down" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0027] Please refer to Figures 1-5 A kind of modular solar PTC heating device, including support frame 1, heating mechanism is provided on support frame 1, heating mechanism includes installation frame 2, heat absorption plate 3, flow pipe 4, external pipe 5 and PTC heating plate 6, installation frame 2 is fixed on support frame 1, heat absorption plate 3 is fixed on installation plate top surface, flow pipe 4 is installed in installation frame 2, external pipe 5 is installed at flow pipe 4 both ends, PTC heating plate 6 is provided with multiple groups fixed in the inside of installation frame 2, external pipe 5 is provided with connecting mechanism, connecting mechanism includes connecting sleeve 7, spigot 8, connecting pipe 9, screw sleeve 10, screw rod 11, gear 12, limit rod 13, sliding sleeve 14, rack 15, clamping plate 16 and locking mechanism, connecting sleeve 7 is fixed at the top end of external pipe 5, spigot 8 is inserted in connecting sleeve 7, connecting pipe 9 is fixed at the top end of insertion rod, screw sleeve 10 is provided with multiple groups fixed on the outer wall of connecting sleeve 7, screw rod 11 is threadedly connected in multiple screw sleeve 10, gear 12 rotates at the top end of multiple screw sleeve 10, limit rod 13 is fixed at the top end of multiple screw rod 11 and is slidably connected with gear 12, sliding sleeve 14 slides on the outer wall of connecting sleeve 7, rack 15 is provided with multiple groups distributed on the outer wall of sliding sleeve 14 and is respectively engaged with multiple gear 12, clamping plate 16 is rotatably installed at the bottom end of multiple screw rod 11.

[0028] Multiple PTC heating plate 6 outer wall is equipped with radiating fin 17, radiating fin 17 is provided with multiple groups respectively distributed in multiple PTC heating plate 6 outside, radiating fin 17 is through increasing surface area, is helpful to accelerate the emission of heat, to improve the heat dissipation efficiency of PTC heating plate 6, ensure that system will not be overheated in the process of operation, keep high efficiency work.

[0029] Limit groove 18 is formed in connecting sleeve 7, and multiple clamping plates 16 slide in the limit groove 18.The design of limit groove 18 can accurately control the movement range of clamping plate 16, ensure the stable position of clamping plate 16 in connecting sleeve 7, avoid the misplacement or looseness of components, thereby improve the connection accuracy and stability of the system.

[0030] Sealing gasket 19 is provided in connecting sleeve 7, sealing groove 20 is formed in the bottom surface of sealing gasket 19, sealing strip 21 is provided at the top end of spigot 8, the combination of sealing gasket 19 and sealing strip 21 effectively prevents fluid leakage in the system, the design of sealing groove 20 increases the sealing effect, ensures that the connection is not affected by the external environment, improves the sealing performance of the system.

[0031] The plurality of limiting rods 13 are all polygonal and are respectively in sliding connection with the plurality of gears 12, the cooperation of the polygonal limiting rods 13 and the gears 12 realizes accurate positioning control, reduces errors in the movement process, ensures that the components of the device can stably and accurately operate, and improves the overall performance.

[0032] The locking mechanism comprises a mounting sleeve 22, a clamping plate 23, a rotating sleeve 24, a clamping sleeve 25, a clamping block 26, a sliding rod 27, a limiting block 28 and a push spring 29. The mounting sleeve 22 is slidingly arranged on the outer wall of the connecting sleeve 7. The clamping plate 23 is provided with a plurality of groups distributed on the bottom surface of the mounting sleeve 22. The rotating sleeve 24 is rotatably arranged on the outer wall of the connecting sleeve 7. The clamping sleeve 25 is provided with a plurality of groups distributed on the outer wall of the rotating sleeve 24. The clamping block 26 is provided with a plurality of groups respectively fixed on the outer wall of the mounting sleeve 22. The sliding rod 27 is provided with a plurality of groups respectively sliding in the inner side of the clamping sleeve 25. The limiting block 28 is arranged at the top end of the plurality of sliding rods 27. The push spring 29 is arranged on the outer side of the plurality of limiting blocks 28 and connected with the inner wall of the clamping sleeve 25.

[0033] The top surface of the rotating sleeve 24 is provided with a plurality of pull blocks 30. The outer wall of the connecting sleeve 7 is fixedly provided with a plurality of side plates 31. The side plates 31 are provided with a plurality of groups and are respectively connected with the plurality of pull blocks 30 through a plurality of tension springs 32. The design of the pull blocks 30 and the tension springs 32 can provide necessary elasticity, ensure that the system can absorb vibration and remain stable during work, and effectively alleviate the impact of external force on the components, prolong the service life of the equipment.

[0034] A plurality of compression springs 33 are arranged between the top surface of the mounting sleeve 22 and the connecting sleeve 7. The compression springs 33 provide elastic force, ensure the tight connection between the mounting sleeve 22 and the connecting sleeve 7, and have a certain buffering effect, prevent the system from loosening due to impact or vibration during work, and thus improve the safety and stability of the equipment.

[0035] In the embodiment, the medium in the flow pipe 4 is heated by the heat absorbing plate 3, the heat is generated by the PTC heating plate 6 at night, and the flow pipe 4 is heated by the heat dissipation fins 17. When the external pipe 5 of the two groups of PTC heating devices needs to be connected, the plug-in pipe 8 at both ends of the connecting pipe 9 is inserted into the multiple groups of connecting sleeves 7, the sealing strip 21 is inserted into the sealing groove 20, the sliding sleeve 14 is pushed to engage the transmission gear 12 through the rack 15, the gear 12 drives the rotation of the limiting rod 13, the limiting rod 13 drives the rotation of the screw rod 11 and the screw sleeve 10, the screw rod 11 pushes the clamping plate 16 to slide along the limiting groove 18 and clamps the outer wall of the plug-in pipe 8, then the installation sleeve 22 is slid and installed in the teeth between the multiple groups of gears 12 on the outer wall of the gear 12 through the multiple groups of clamping plates 23, the pulling block 30 is pulled by the tension spring 32 and drives the rotation sleeve 24, the rotation sleeve 24 drives the multiple groups of clamping blocks 26 to move, the multiple groups of limiting blocks 28 are extruded by the multiple groups of clamping blocks 26 at the top, the clamping blocks 26 are clamped in the clamping sleeve 25, and the installation sleeve 22 is limited by the pushing spring 29 and the limiting block 28.

[0036] More specifically, when the connecting pipe 9 needs to be disassembled, the rotation sleeve 24 drives the pulling block 30 to stretch the tension spring 32, and the rotation sleeve 24 drives the clamping block 26 to move, so that the clamping block 26 extrudes the pushing spring 29 by pushing the limiting block 28, then the multiple groups of clamping blocks 26 are separated from the multiple groups of clamping sleeves 25, the installation sleeve 22 is pushed to drive the multiple groups of clamping blocks 26 to be separated from the locking of the multiple groups of gears 12 and extrude the compression spring 33, then the sliding sleeve 14 is pushed to engage the transmission gear 12 through the rack 15 to drive the screw rod 11 to rotate, the screw rod 11 drives the clamping plate 16 to slide along the limiting groove 18 to release the clamping of the outer wall of the plug-in pipe 8, then the plug-in pipe 8 can be pulled out of the connecting sleeve 7, and the connecting pipe 9 can be disassembled.

[0037] In summary, the overall device in use or operation: through the heat absorption plate 3 for solar heat absorption flow pipe 4 in the medium heating, through the PTC heating plate 6 heating at night, through the heat dissipation fin 17 for heat dissipation flow pipe 4 heating, when the need to connect the two groups of PTC heating device on the external pipe 5, the connecting pipe 9 both ends of the plug pipe 8 are inserted into the plurality of connecting sleeve 7, the sealing strip 21 is inserted into the sealing groove 20, the sliding sleeve 14 is driven by the rack 15 to engage the gear 12, the gear 12 drives the rotation through the limiting rod 13, the limiting rod 13 drives the rotation of the screw rod 11 and the screw sleeve 10 to screw, so that the screw rod 11 pushes the clamping plate 16 along the limiting groove 18 and clamps the outer wall of the plug pipe 8, and then the installation sleeve 22 is slidably installed in the plurality of gear 12 between the teeth on the outer wall of the gear 12, the tension spring 32 is pulled to drive the sliding block 30 and the rotating sleeve 24, the rotating sleeve 24 drives the plurality of clamping blocks 26 to move, the plurality of clamping blocks 26 at the top push the plurality of limiting blocks 28 to extrude the push spring 29, and then the clamping block 26 is clamped in the clamping sleeve 25, and the installation sleeve 22 is limited by the push spring 29 and the limiting block 28.

[0038] When the connecting pipe 9 needs to be disassembled, the rotating sleeve 24 drives the sliding block 30 to stretch the tension spring 32, and the rotating sleeve 24 drives the clamping block 26 to move, so that the clamping block 26 pushes the limiting block 28 to extrude the push spring 29, and then the plurality of clamping blocks 26 are separated from the plurality of clamping sleeves 25, the installation sleeve 22 is limited, the installation sleeve 22 drives the plurality of clamping blocks 26 to be separated from the plurality of gear 12 and extrude the compression spring 33, and then the sliding sleeve 14 is driven by the rack 15 to engage the gear 12 to rotate the screw rod 11, the screw rod 11 drives the clamping plate 16 to slide along the limiting groove 18 to release the clamping of the outer wall of the plug pipe 8, and then the plug pipe 8 can be pulled out of the connecting sleeve 7, and the connecting pipe 9 can be disassembled.

[0039] In the above-mentioned all schemes, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever it is mentioned that it is fixedly connected, it is preferred to be welded. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A modular solar PTC heating device comprising a support frame (1), characterized in that: The support frame (1) is provided with a heating mechanism, the heating mechanism comprises a mounting frame (2), a heat absorbing plate (3), a flow pipe (4), an external pipe (5) and a PTC heating plate (6), the mounting frame (2) is fixed on the support frame (1), the heat absorbing plate (3) is fixed on the top surface of the mounting plate, the flow pipe (4) is installed in the mounting frame (2), the external pipe (5) is installed at both ends of the flow pipe (4), the PTC heating plate (6) is provided with a plurality of groups of fixing plates inside the mounting frame (2), the external pipe (5) is provided with a connecting mechanism, the connecting mechanism comprises a connecting sleeve (7), a plug pipe (8), a connecting pipe (9), a screw sleeve (10), a screw rod (11), a gear (12), a limiting rod (13), a sliding sleeve (14), a rack (15), a clamping plate (16) and a locking mechanism, the connecting sleeve (7) is fixed at the top end of the external pipe (5), the plug pipe (8) is inserted into the connecting sleeve (7), the connecting pipe (9) is fixed at the top end of the plug rod, the screw sleeve (10) is provided with a plurality of groups of fixing plates on the outer wall of the connecting sleeve (7), the screw rod (11) is threadedly connected in the plurality of screw sleeves (10), the gear (12) is rotated at the top end of the plurality of screw sleeves (10), the limiting rod (13) is fixed at the top end of the plurality of screw rods (11) and is slidably connected with the gear (12), the sliding sleeve (14) is slidably arranged on the outer wall of the connecting sleeve (7), the rack (15) is provided with a plurality of groups of distribution on the outer wall of the sliding sleeve (14) and is respectively engaged with the plurality of gears (12), and the clamping plate (16) is rotatably installed at the bottom end of the plurality of screw rods (11).

2. The modular solar PTC heating device according to claim 1, characterized in that the plurality of groups The outer wall of the PTC heating plate (6) is provided with a plurality of groups of heat dissipation fins (17) distributed outside the plurality of groups of PTC heating plates (6).

3. A modular solar PTC heating device according to claim 2, characterized in that: The connecting sleeve (7) is provided with a limiting groove (18) in the inner wall, and the plurality of groups of clamping plates (16) are slidably arranged in the limiting groove (18).

4. The modular solar PTC heating device according to claim 3, characterized in that: The connecting sleeve (7) is provided with a sealing gasket (19), the bottom surface of the sealing gasket (19) is provided with a sealing groove (20), and the top end of the plug pipe (8) is provided with a sealing strip (21).

5. The modular solar PTC heating device of claim 4, wherein the plurality of groups of solar PTC heating modules are arranged in a plurality of rows. The limiting rod (13) is polygonal and is slidably connected with the plurality of gears (12). ​ 6. A modular solar PTC heating device according to claim 5, characterized in that: The locking mechanism comprises a mounting sleeve (22), a clamping plate (23), a rotating sleeve (24), a clamping sleeve (25), a clamping block (26), a sliding rod (27), a limiting block (28) and a push spring (29), the mounting sleeve (22) is slidably arranged on the outer wall of the connecting sleeve (7), the clamping plate (23) is provided with a plurality of groups of distribution on the bottom surface of the mounting sleeve (22), the rotating sleeve (24) is rotatably installed on the outer wall of the connecting sleeve (7), the clamping sleeve (25) is provided with a plurality of groups of distribution on the outer wall of the rotating sleeve (24), the clamping block (26) is provided with a plurality of groups of fixing plates on the outer wall of the mounting sleeve (22), the sliding rod (27) is provided with a plurality of groups of sliding rods (27) slidably arranged on the inner side of the clamping sleeve (25), the limiting block (28) is installed at the top end of the plurality of sliding rods (27), and the push spring (29) is installed on the outer side of the plurality of limiting blocks (28) and is connected with the inner wall of the clamping sleeve (25).

7. A modular solar PTC heating device according to claim 6, characterized in that: The top surface of the rotating sleeve (24) is provided with pull blocks (30), the pull blocks (30) are provided with multiple groups, the outer wall of the connecting sleeve (7) is fixedly provided with side plates (31), the side plates (31) are provided with multiple groups and are respectively connected with the multiple groups of pull blocks (30) and are provided with tension springs (32).

8. The modular solar PTC heating device of claim 7, wherein: The top surface of the mounting sleeve (22) and the connecting sleeve (7) are connected with compression springs (33), and the compression springs (33) are provided with multiple groups.

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