CN118139222B - Stacked assembled high-power PTC heater - Google Patents
Stacked assembled high-power PTC heater Download PDFInfo
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- CN118139222B CN118139222B CN202410551378.4A CN202410551378A CN118139222B CN 118139222 B CN118139222 B CN 118139222B CN 202410551378 A CN202410551378 A CN 202410551378A CN 118139222 B CN118139222 B CN 118139222B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
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Abstract
The invention provides a stacked assembled high-power PTC heater, which relates to the technical field of PTC heaters and comprises a PTC heater shell, wherein three limiting strips with grooves are fixedly connected to the inner top surface of the PTC heater shell, three pairs of equidistant limiting strips are fixedly connected to the inner bottom surface of the PTC heater shell, and a sliding groove and a positioning groove are arranged between each pair of limiting strips, wherein three groups of horizontal equidistant mounting devices are arranged in the PTC heater shell, each mounting device comprises a top frame, a bottom frame and two connecting frames, a heating mechanism is arranged between the top frame and the bottom frame, the problem that one resistor sheet of the PTC heater connected in series is failed or damaged, the damaged resistor heating sheet is detached for overhauling and replacement, and the whole heating circuit is interrupted and can not work normally is solved.
Description
Technical Field
The invention belongs to the technical field of PTC heaters, and particularly relates to a stacked assembled high-power PTC heater.
Background
The high-power PTC heater is a PTC heater capable of providing a higher heating power, and the PTC heater having a plurality of heating resistor sheets connected in series can increase the overall heating power. By connecting a plurality of PTC resistive sheets in series, a current is caused to pass through each resistive sheet in turn, thereby achieving a higher heating power. Each series resistor sheet contributes a part of the heating power, and the heating power of the entire series circuit can be added up, and therefore, the PTC heater in which a plurality of heating resistor sheets are connected in series can be regarded as a high-power PTC heater.
However, in the PTC heaters connected in series, the current flows through each PTC resistor sheet in turn, and there are the following problems in use:
in a series circuit, current has only one path available for flow. For a series PTC heater, current enters the first PTC resistor from the positive pole of the power supply, passes through it, and then continues to flow to the next PTC resistor, and so on until the last PTC resistor. The last PTC resistor piece guides the current back to the negative electrode of the power supply to complete a circuit loop, if one of the resistor pieces fails or is damaged, the whole heating circuit can be interrupted, so that the heating circuit cannot work normally, and in the overhaul process, when the damaged heating resistor piece is disassembled and before the overhaul is completed, the whole heater cannot work normally, so that the use effect of the heater is affected;
The heating plate of heater is installed in PTC heater shell, need dismantle more bolts during the dismouting, and the dismouting is inconvenient, can't accomplish the quick assembly disassembly of heating core, shortens the maintenance duration.
Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a stacked high-power PTC heater with improved practical value.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a stacked assembled high-power PTC heater to solve the above problems.
The utility model provides a high-power PTC heater of stack assembled, includes the PTC heater shell, the restriction strip of three trough of belt of interior top surface fixedly connected with of PTC heater shell, the three equidistant spacing of interior bottom surface fixedly connected with of PTC heater shell, all be provided with spout and constant head tank between every spacing, wherein, be provided with the installation device of three horizontal equidistance of group in the PTC heater shell, installation device includes roof-rack, chassis and two link, is provided with heating mechanism between roof-rack and the chassis, and heating mechanism includes two ceramic heating cores and a set of radiating fin that piles up, and two ceramic heating core bottom fixedly connected with electrically conductive connecting seat, and the upper end of every ceramic heating core all is equipped with the conducting layer, all has seted up logical groove on every radiating fin, logical groove and the activity of corresponding ceramic heating core cup joint, and the roof-rack is L type frame, and the upper end card of roof-rack is in the restriction strip, has seted up four equidistant slots on the lateral frame of roof-rack, fixedly connected with diaphragm on the vertical frame of roof-rack, eight pairs of fixed connection have the dead lever on the fixed lever of every dead lever that has, wherein, every dead lever of equidistant cup joint.
Preferably, each pair of fixing rods is movably sleeved with a conductive contact plate, the first spring is positioned between the contact plate and the transverse plate, the first spring is in a compressed state, seven equidistant conductive plates are fixedly connected to the vertical frame of the top frame, wherein the left rear ends of the second, fourth and sixth contact plates from front to back are fixedly connected with conductive rods, two conductive jacks are respectively formed in the second, fourth and sixth conductive plates from front to back, the left front ends of the third, fifth and seventh contact plates from front to back are fixedly connected with the same conductive rods, the six conductive rods are respectively aligned with the six conductive jacks up and down, and wires are respectively fixedly connected to the contact plates at the foremost end and the rearmost end.
Preferably, the chassis is 匚 type framves, eight equidistant draw-in grooves have been seted up on the top of chassis horizontal frame, protruding type groove has been seted up to the upper surface of the horizontal frame in below of chassis, the horizontal frame bottom in top of chassis fixedly connected with two pairs of foraminiferous positioning seats, a set of equidistant pulley is all installed in the rotation of the horizontal frame both sides in below of chassis, wherein, the equal fixedly connected with cover piece in front end of the horizontal frame in top of chassis and the horizontal frame in below, the inserted bar has been cup jointed in the activity between two cover pieces, fixedly connected with separation blade and plectrum on the inserted bar.
Preferably, four groups of round rods are fixedly connected between the upper transverse frame and the lower transverse frame of the underframe, each group of round rods consists of four rod bodies which are arranged in a matrix, each round rod is movably sleeved with a second spring, each group of round rods is movably sleeved with a lifting plate, and the springs are located between the lifting plate and the lower transverse frame of the underframe.
Preferably, two pairs of support columns are further arranged between the upper transverse frame and the lower transverse frame of the underframe, the upper surface of each lifting plate is provided with a placing groove, the opposite surfaces of each pair of limiting strips are provided with wheel grooves, the pulleys are movably clamped with the wheel grooves at corresponding positions, the bottom surface of each lifting plate is provided with a hole groove identical to the hole on the positioning seat, the rear end of the lower transverse frame of the underframe is in threaded connection with a positioning screw, and the lower end of the positioning screw is clamped in the sliding groove.
Preferably, the upper surface of every support column has all seted up the circular slot, and perpendicular groove has all been seted up to the side of every support column, and the equal fixedly connected with convex type piece in bottom surface of every support column has all movably sleeved the draw-in lever in every circular slot, and the equal fixedly connected with quarter butt in every circular slot tank bottom, quarter butt and draw-in lever activity sleeve, wherein, the activity has cup jointed the spring three on the quarter butt, the both ends of spring three respectively with draw-in lever and circular slot tank bottom fixed connection, fixedly connected with pull rod on the draw-in lever, the pull rod card is in perpendicular inslot.
Preferably, the convex block is clamped in the convex groove.
Preferably, the upper end of the ceramic heating core is propped against the contact plate, the lower end of the ceramic heating core penetrates through the clamping groove, and the connecting seat is clamped in the placing groove.
Preferably, the top frame and the bottom frame are fixedly connected through two connecting frames.
Compared with the prior art, the invention has the following beneficial effects:
In the invention, after the failed ceramic heating core is disassembled, the contact plates at corresponding positions are propped against the conducting plates under the elasticity of the first spring, the second group of ceramic heating cores are pulled out, after the second group of ceramic heating cores are pulled out, the second contact plates and the third contact plates are connected with current through the conducting rods and the conducting plates from front to back, the third contact plates and the fourth contact plates are connected with current through the conducting plates, the fourth contact plates and the fifth contact plates are connected with current through the conducting rods and the conducting plates, the first contact plates and the second contact plates are connected with current through the ceramic heating cores and the connecting seats, the fifth contact plates and the sixth contact plates are connected with current through the ceramic heating cores and the connecting seats, the sixth contact plates and the seventh contact plates are connected with current through the conducting rods and the conducting plates, the whole circuit is not affected, the problem that one of the serially connected PTC heaters is damaged or broken is solved, the heating resistor is replaced by repairing the broken, the whole heating circuit is not broken, the whole heating core can be repaired, the whole heating core can be disassembled and the PTC heater can be continuously repaired after the heating is stopped, and the repairing work is not needed.
According to the invention, the lower end of the inserted link is inserted into the positioning groove, so that the position of the chassis between the two limit bars is kept stable and is not easy to deviate, when the installation device is required to be moved out of the PTC heater shell for maintenance, the inserted link is moved upwards through the poking plate, so that the inserted link is separated from the positioning groove to release the limit of the chassis, at the moment, the chassis can slide forwards along the limit bars through the pulleys to be out of the PTC heater shell until the lower end of the positioning screw abuts against the forefront end of the sliding groove, at the moment, the installation device cannot move forwards any more, the installation device is prevented from being directly separated from the PTC heater shell in the process of moving out, and the effect of convenient maintenance is achieved when the installation device is required to be pulled out for maintenance.
In the invention, when the installation device is completely detached to finish maintenance, the installation device is pulled out, and then the positioning screw rod is deflected to enable the bottom of the installation device to be separated from the chute, at the moment, the underframe at the lower end of the installation device can completely slide out along the limit strip, thereby achieving the effect of separating the PTC heater shell from the installation device and being convenient for dismounting the installation device.
According to the invention, when overhauling is needed to be carried out on some heating cores of the PTC heater, an operator presses the pull rod to enable the upper end of the clamping rod to be separated from a corresponding lifting plate bottom hole, then the supporting column is translated to the lower portion of the adjacent lifting plate along the convex groove, at the moment, the lifting plate below the ceramic heating core to be overhauled is required to be disassembled to lose the support of the supporting column, the lifting plate descends to a height under the tensile force of the second spring, at the moment, the operator can move the ceramic heating core to be overhauled downwards to be separated from the slot, and then the ceramic heating core is translated to be separated from the underframe, so that the effect of rapidly disassembling and assembling the ceramic heating core is achieved.
In the invention, when the ceramic heating core is installed, the radiating fins can be stacked on the ceramic heating core first, then the ceramic heating core is installed, and after the ceramic heating core is clamped into the slot, the radiating fins are kept stable, so that the effect of automatically completing the positioning of the radiating fins while installing the ceramic heating core is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of a ceramic heating core according to the present invention;
FIG. 3 is a schematic view of the structure of the top frame of the present invention;
Fig. 4 is a schematic view of the structure of the PTC heater housing of the present invention;
FIG. 5 is a schematic view of the structure of the chassis of the present invention;
FIG. 6 is a schematic view of a support column according to the present invention;
FIG. 7 is a schematic view of the structure of the plunger according to the present invention;
fig. 8 is a schematic structural view of a conductive sheet in the present invention.
In the figure, the correspondence between the component names and the drawing numbers is: 1. a PTC heater housing; 2. a top frame; 3. a chassis; 4. a connecting frame; 5. a restriction strip; 6. a chute; 7. a limit bar; 8. wheel grooves; 9. a positioning groove; 10. a ceramic heating core; 11. a heat radiation fin; 12. a through groove; 13. a connecting seat; 14. a fixed rod; 15. a conductive sheet; 16. a first spring; 17. a slot; 18. a contact plate; 19. a conductive rod; 20. a clamping groove; 21. a pulling piece; 22. a baffle; 23. sleeving blocks; 24. a rod; 25. a convex groove; 26. a pulley; 27. a lifting plate; 28. a support column; 29. a round bar; 30. a second spring; 31. a positioning seat; 33. a placement groove; 34. a circular groove; 35. a convex block; 36. a third spring; 37. a pull rod; 38. a short bar; 39. a clamping rod; 40. a cross plate; 41. positioning a screw; 42. vertical grooves.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Referring to fig. 1-8, the invention provides a stacked assembled high-power PTC heater, which comprises a PTC heater housing 1, wherein three grooved limiting strips 5 are fixedly connected to the inner top surface of the PTC heater housing 1, three pairs of equidistant limiting strips 7 are fixedly connected to the inner bottom surface of the PTC heater housing 1, a chute 6 and a positioning slot 9 are arranged between each pair of limiting strips 7, three groups of horizontally equidistant mounting devices are arranged in the PTC heater housing 1, each mounting device comprises a top frame 2, a bottom frame 3 and two connecting frames 4, a heating mechanism is arranged between the top frame 2 and the bottom frame 3, each heating mechanism comprises two ceramic heating cores 10 and a group of stacked radiating fins 11, a conductive connecting seat 13 is fixedly connected to the bottom of each ceramic heating core 10, a conductive layer is arranged at the upper end of each ceramic heating core 10, a through slot 12 is formed on each radiating fin 11, and the through slot 12 and the corresponding ceramic heating core 10 are movably stacked on the ceramic heating cores 10, so that the radiating fins 11 are stacked on the ceramic heating cores 10 in a sleeved mode, and the effect of stacking is achieved;
the top frame 2 is an L-shaped frame, the upper end of the top frame 2 is clamped in the limiting strip 5, four pairs of equidistant slots 17 are formed in the transverse frame of the top frame 2, when the ceramic heating core 10 is installed, the radiating fins 11 can be stacked on the ceramic heating core 10 first, then the ceramic heating core 10 is installed, after the ceramic heating core 10 is clamped in the slots 17, the radiating fins 11 are kept stable, the effect of installing the ceramic heating core 10 and simultaneously automatically completing the positioning of the radiating fins 11 is achieved, the transverse frame of the top frame 2 is fixedly connected with the transverse plate 40, eight pairs of equidistant fixing rods 14 are fixedly connected between the transverse frame of the top frame 2 and the transverse plate 40, the first springs 16 are movably sleeved on each fixing rod 14, the conductive contact plates 18 are movably sleeved on each pair of fixing rods 14, the first springs 16 are positioned between the contact plates 18 and the transverse plate 40, the first springs 16 are in a compressed state, seven equidistant conducting strips 15 are fixedly connected to the vertical frame of the top frame 2, wherein conducting rods 19 are fixedly connected to the left rear ends of the second, fourth and sixth contact plates 18 from front to back, two conducting jacks are formed in the second, fourth and sixth conducting strips 15 from front to back, the same conducting rods 19 are fixedly connected to the left front ends of the third, fifth and seventh contact plates 18 from front to back, the six conducting rods 19 are aligned up and down with the six conducting jacks respectively, conducting wires are fixedly connected to the contact plates 18 at the foremost end and the rearmost end respectively, after the failed ceramic heating core 10 is detached, the contact plates 18 at corresponding positions are propped against the conducting strips 15 under the elasticity of springs one 16, the second group of ceramic heating cores 10 are extracted for example, after the second contact plates 18 and the third contact plates 18 from front to back are extracted, current is conducted through the conducting rods 19 and the conducting strips 15, the third contact plate 18 and the fourth contact plate 18 are connected with current through the conducting strip 15, the fourth contact plate 18 and the fifth contact plate 18 are connected with current through the conducting rod 19 and the conducting strip 15, the first contact plate 18 and the second contact plate 18 are connected with current through the ceramic heating core 10 and the connecting seat 13, the fifth contact plate 18 and the sixth contact plate 18 are connected with current through the ceramic heating core 10 and the connecting seat 13, the seventh contact plate 18 and the eighth contact plate 18 are connected with current through the ceramic heating core 10 and the connecting seat 13, the sixth contact plate 18 and the seventh contact plate 18 are connected with current through the conducting rod 19 and the conducting strip 15, the whole circuit is not affected, the problem that one resistor of the serially connected PTC heaters is failed or damaged, the damaged resistor heating strip is overhauled and replaced, and the whole heating circuit is not normally operated is interrupted is solved, so that when overhauling, after the damaged heating core is disassembled, the whole PTC heater can continue to work without stopping the broken heating core to complete;
The underframe 3 is 匚 -shaped, eight equidistant clamping grooves 20 are formed in the upper transverse frame of the underframe 3, a convex groove 25 is formed in the upper surface of the lower transverse frame of the underframe 3, two pairs of positioning seats 31 with holes are fixedly connected to the bottom surface of the upper transverse frame of the underframe 3, a group of equidistant pulleys 26 are rotatably arranged on two sides of the lower transverse frame of the underframe 3, sleeve blocks 23 are fixedly connected to the front ends of the upper transverse frame and the lower transverse frame of the underframe 3, an inserting rod 24 is movably sleeved between the two sleeve blocks 23, a baffle 22 and a pulling piece 21 are fixedly connected to the inserting rod 24, four groups of round rods 29 are fixedly connected between the upper transverse frame and the lower transverse frame of the underframe 3, each group of round rods 29 consists of four rod bodies arranged in a matrix, a second spring 30 is movably sleeved on each round rod 29, wherein a lifting plate 27 is movably sleeved on each round rod 29, the second spring 30 is positioned between the lifting plate 27 and the lower transverse frame of the underframe 3, two pairs of support columns 28 are further arranged between the upper transverse frame and the lower transverse frame of the underframe 3, a placing groove 33 is formed in the upper surface of each lifting plate 27, a wheel groove 8 is formed in the opposite surface of each pair of limiting strips 7, the pulleys 26 are movably clamped with the wheel grooves 8 in the corresponding positions, a hole groove which is the same as the hole on the positioning seat 31 is formed in the bottom surface of each lifting plate 27, a positioning screw 41 is sleeved at the rear end screw thread of the lower transverse frame of the underframe 3, and the lower end of the positioning screw 41 is clamped in the sliding groove 6;
Round grooves 34 are formed in the upper surface of each supporting column 28, vertical grooves 42 are formed in the side faces of each supporting column 28, convex blocks 35 are fixedly connected to the bottom faces of each supporting column 28, clamping rods 39 are movably sleeved in each round groove 34, short rods 38 are fixedly connected to the bottom of each round groove 34, the short rods 38 are movably sleeved with the corresponding clamping rods 39, springs III 36 are movably sleeved on the short rods 38, two ends of the springs III 36 are fixedly connected with the clamping rods 39 and the bottom of the round grooves 34 respectively, pull rods 37 are fixedly connected to the clamping rods 39, the pull rods 37 are clamped in the vertical grooves 42, the convex blocks 35 are clamped in the convex grooves 25, the upper ends of the ceramic heating cores 10 abut against the contact plates 18, the lower ends of the ceramic heating cores 10 penetrate through the clamping grooves 20, connecting seats 13 are clamped in the containing grooves 33, and the top frames 2 and the bottom frames 3 are fixedly connected through the two connecting frames 4.
Working principle: when the PTC heater is used, the lower end of the inserted link 24 is inserted into the positioning groove 9, so that the position of the chassis 3 between the two limit bars 7 is kept stable and is not easy to deviate, when the installation device is required to be moved out of the PTC heater shell 1 for maintenance, the inserted link 24 is moved upwards through the pulling piece 21, so that the inserted link 24 is separated from the positioning groove 9, the limit of the chassis 3 is relieved, at the moment, the chassis 3 can slide out of the PTC heater shell 1 forwards along the limit bars 7 through the pulleys 26 until the lower end of the positioning screw 41 abuts against the forefront end of the sliding groove 6, at the moment, the installation device cannot move forwards any more, the installation device is prevented from being directly separated from the PTC heater shell 1 in the process of moving out of the installation device, and the effect of convenient maintenance is achieved when the installation device is required to be pulled out for maintenance;
When the installation device is required to be completely detached to finish maintenance, after the installation device is pulled out, the positioning screw 41 is deflected to enable the bottom of the installation device to be separated from the chute 6, at the moment, the underframe 3 at the lower end of the installation device can be completely slid out along the limit strip 7, the effect of separating the PTC heater shell 1 from the installation device is achieved, the installation device is convenient to disassemble and assemble, when maintenance is required to be performed on some heating cores of the PTC heater, an operator presses the pull rod 37 to enable the upper end of the clamping rod 39 to be separated from a corresponding bottom hole of the lifting plate 27, then the supporting column 28 is translated along the convex groove 25 to be below the adjacent lifting plate 27, at the moment, the lifting plate 27 below the ceramic heating core 10 to be disassembled is free from the supporting column 28, the lifting plate 27 is lowered to a height under the tensile force of the spring II 30, at the moment, the operator can move the ceramic heating core 10 to be disassembled downwards to be separated from the slot 17, and then translate the ceramic heating core 10 to be separated from the underframe 3, and the effect of rapidly disassembling and assembling the ceramic heating core 10 is achieved;
After the failed ceramic heating core 10 is detached, the contact plate 18 at the corresponding position props against the conducting plate 15 under the elasticity of the first spring 16, taking the second group of ceramic heating cores 10 as an example, after the second group of ceramic heating cores 10 are pulled out, the second contact plate 18 and the third contact plate 18 are connected with current through the conducting rod 19 and the conducting plate 15 from front to back, the third contact plate 18 and the fourth contact plate 18 are connected with current through the conducting plate 15, the fourth contact plate 18 and the fifth contact plate 18 are connected with current through the conducting rod 19 and the conducting plate 15, the first contact plate 18 and the second contact plate 18 are connected with current through the ceramic heating core 10 and the connecting seat 13, the fifth contact plate 18 and the sixth contact plate 18 are connected with current through the ceramic heating core 10 and the connecting seat 13, the seventh contact plate 18 and the seventh contact plate 18 are connected with current through the conducting rod 19 and the conducting plate 15, the whole circuit is not affected, the PTC heater is detached from the whole circuit, and the heating core is repaired or the PTC heater is stopped after the heating core is detached, and the heating core is repaired, and the heating is not damaged, and the repair work is continued;
when the ceramic heating core 10 is installed, the radiating fins 11 can be stacked on the ceramic heating core 10, then the ceramic heating core 10 is installed, after the ceramic heating core 10 is clamped into the slot 17, the radiating fins 11 are kept stable, and the effect of installing the ceramic heating core 10 and simultaneously automatically completing the positioning of the radiating fins 11 is achieved.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a stack assembled high-power PTC heater, includes PTC heater shell (1), its characterized in that: three limiting strips (5) with grooves are fixedly connected to the inner top surface of the PTC heater shell (1), three pairs of equidistant limiting strips (7) are fixedly connected to the inner bottom surface of the PTC heater shell (1), and a sliding groove (6) and a positioning groove (9) are arranged between each pair of limiting strips (7);
Three groups of horizontal equidistant mounting devices are arranged in the PTC heater shell (1), each mounting device comprises a top frame (2), a bottom frame (3) and two connecting frames (4), and a heating mechanism is arranged between the top frame (2) and the bottom frame (3);
The heating mechanism comprises two ceramic heating cores (10) and a group of stacked radiating fins (11), the bottoms of the two ceramic heating cores (10) are fixedly connected with conductive connecting seats (13), the upper end of each ceramic heating core (10) is provided with a conductive layer, each radiating fin (11) is provided with a through groove (12), and the through grooves (12) are movably sleeved with the corresponding ceramic heating cores (10);
The top frame (2) is an L-shaped frame, the upper end of the top frame (2) is clamped in the limiting strip (5), four pairs of equidistant slots (17) are formed in the transverse frame of the top frame (2), a transverse plate (40) is fixedly connected to the vertical frame of the top frame (2), eight pairs of equidistant fixing rods (14) are fixedly connected between the transverse frame of the top frame (2) and the transverse plate (40), and a first spring (16) is movably sleeved on each fixing rod (14);
each pair of fixed rods (14) is movably sleeved with a conductive contact plate (18), a first spring (16) is positioned between the contact plate (18) and a transverse plate (40), the first spring (16) is in a compressed state, seven equidistant conductive plates (15) are fixedly connected to a vertical frame of a top frame (2), conductive rods (19) are fixedly connected to the left rear ends of the second, fourth and sixth contact plates (18) from front to back, two conductive jacks are formed in the second, fourth and sixth conductive plates (15) from front to back, the same conductive rods (19) are fixedly connected to the left front ends of the third, fifth and seventh contact plates (18) from front to back, the six conductive rods (19) are respectively aligned with the six conductive jacks up and down, and wires are fixedly connected to the contact plates (18) at the foremost end and the rearmost end.
2. The stacked assembled high-power PTC heater as claimed in claim 1, wherein the underframe (3) is a 匚 -shaped frame, eight equidistant clamping grooves (20) are formed in the upper transverse frame of the underframe (3), a convex groove (25) is formed in the upper surface of the lower transverse frame of the underframe (3), two pairs of positioning seats (31) with holes are fixedly connected to the bottom surface of the upper transverse frame of the underframe (3), a group of equidistant pulleys (26) are rotatably arranged on two sides of the lower transverse frame of the underframe (3), sleeve blocks (23) are fixedly connected to the front ends of the upper transverse frame and the lower transverse frame of the underframe (3), an inserting rod (24) is movably sleeved between the two sleeve blocks (23), and a baffle (22) and a poking piece (21) are fixedly connected to the inserting rod (24).
3. The stacked assembled high-power PTC heater as claimed in claim 2, wherein four groups of round rods (29) are fixedly connected between the upper transverse frame and the lower transverse frame of the underframe (3), each group of round rods (29) consists of four rods arranged in a matrix, and each round rod (29) is movably sleeved with a second spring (30);
wherein, all movable sleeve has connected lifter plate (27) on every group round bar (29), and spring two (30) are located between lifter plate (27) and the below transverse frame of chassis (3).
4. A stacked assembled high-power PTC heater according to claim 3, wherein two pairs of support columns (28) are further arranged between the upper transverse frame and the lower transverse frame of the underframe (3), the upper surface of each lifting plate (27) is provided with a placement groove (33), the opposite surfaces of each pair of limiting strips (7) are provided with wheel grooves (8), the pulleys (26) are movably clamped with the wheel grooves (8) at corresponding positions, and the bottom surface of each lifting plate (27) is provided with a hole groove identical to the hole on the positioning seat (31);
the rear end of the transverse frame below the underframe (3) is in threaded sleeve connection with a positioning screw rod (41), and the lower end of the positioning screw rod (41) is clamped in the chute (6).
5. The superimposed assembled high-power PTC heater according to claim 4, wherein the upper surface of each supporting column (28) is provided with a circular groove (34), the side surface of each supporting column (28) is provided with a vertical groove (42), the bottom surface of each supporting column (28) is fixedly connected with a convex block (35), a clamping rod (39) is movably sleeved in each circular groove (34), the bottom of each circular groove (34) is fixedly connected with a short rod (38), and the short rod (38) is movably sleeved with the clamping rod (39);
The short rod (38) is movably sleeved with a spring III (36), two ends of the spring III (36) are fixedly connected with the clamping rod (39) and the bottom of the round groove (34) respectively, the clamping rod (39) is fixedly connected with a pull rod (37), and the pull rod (37) is clamped in the vertical groove (42).
6. A stacked, assembled, high power PTC heater as claimed in claim 5, wherein the male blocks (35) are snapped into the male slots (25).
7. A stacked assembled high power PTC heater according to claim 6, wherein the upper end of the ceramic heating core (10) abuts against the contact plate (18), the lower end of the ceramic heating core (10) passes through the clamping groove (20), and the connection base (13) is clamped in the holding groove (33).
8. A stacked assembled high power PTC heater as claimed in claim 7, wherein the top frame (2) and the bottom frame (3) are fixedly connected by two connecting frames (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410551378.4A CN118139222B (en) | 2024-05-07 | 2024-05-07 | Stacked assembled high-power PTC heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410551378.4A CN118139222B (en) | 2024-05-07 | 2024-05-07 | Stacked assembled high-power PTC heater |
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| Publication Number | Publication Date |
|---|---|
| CN118139222A CN118139222A (en) | 2024-06-04 |
| CN118139222B true CN118139222B (en) | 2024-08-20 |
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| CN202410551378.4A Active CN118139222B (en) | 2024-05-07 | 2024-05-07 | Stacked assembled high-power PTC heater |
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| CN118400821B (en) * | 2024-06-27 | 2024-09-17 | 东莞市赛尔盈电子有限公司 | Alumina insulation PTC heating device |
Citations (1)
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| CN218416702U (en) * | 2022-09-27 | 2023-01-31 | 东莞市龙阳电子科技有限公司 | Double-tube type PTC heating element structure |
| CN219459311U (en) * | 2023-03-01 | 2023-08-01 | 江苏沙子电器有限公司 | PTC heater protection device |
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