Ceramic PTC heater with high-voltage temperature fuse

Abstract

The utility model is applicable to the technical field of heaters, and provides a ceramic PTC heater with a high-voltage temperature fuse, which comprises an outer frame, two sides of the outer frame are respectively and fixedly connected with a mounting seat, the outer frame is in the shape of a Chinese character'hui ', the middle of the lower end of the outer frame is detachably and fixedly connected with a support plate, the outer frame is provided with a plurality of through holes, and the through holes are communicated with the mounting seats. A PTC electric heater body is installed in the outer frame, and aluminum plates are arranged on the two sides of the PTC electric heater body. The PTC electric heater comprises an aluminum plate, two sides of the aluminum plate are respectively provided with a protection assembly, overload protection of the PTC electric heater body is facilitated by arranging the protection assemblies and arranging fuses in the protection assemblies, the circuit is prevented from being damaged due to over-current, over-voltage and other abnormal conditions, and when current in the circuit exceeds a set value, the fuses are fused to cut off the circuit, so that the PTC electric heater is protected. And through the arrangement of the protection assembly, the connected fuse is convenient to replace, and through the arrangement of the heat dissipation assembly, the heat dissipation effect is convenient to enhance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heater, especially relates to a high pressure temperature fuse ceramic PTC heater. BACKGROUND

[0002] The PTC heating body is also called PTC electric heater, which is composed of PTC ceramic heating element and aluminum pipe, is an automatic constant temperature, power saving electric heater, and its main feature is safety performance, which will not cause the surface of electric heating tube type heater to appear "red" phenomenon in any application, thereby avoiding causing scald or fire safety hidden trouble.

[0003] The prior art still has the following shortcomings:

[0004] The electric heating sheet of the prior art is easy to cause power failure or damage when heated to a certain degree and the power is too large. UTILITY MODEL CONTENTS

[0005] The utility model provides a high pressure temperature fuse ceramic PTC heater, aims at solving the problem of the electric heating sheet of the prior art which is easy to cause power failure or damage when heated to a certain degree and the power is too large.

[0006] The utility model is such a realization, a high pressure temperature fuse ceramic PTC heater, include: outer frame, the both sides of outer frame are fixedly connected with mounting seat respectively, the outer frame is back type, the lower end middle of outer frame is detachably fixedly connected with support plate, a plurality of through -holes are seted up on the outer frame, the inside installation of outer frame has PTC electric heater main part, the both sides of PTC electric heater main part are provided with aluminium plate, the both sides of aluminium plate are provided with protection subassembly respectively, the bottom of outer frame is provided with two heat dissipation subassembly, two protection subassembly all include with the fixed connection of two fixed blocks of one side of aluminium plate, the side of mutual approach of two fixed blocks is seted up L type fixed slot respectively, the same fuse shell is inserted between two L type fixed slots, the inside connection fuse of fuse shell, the side of aluminium plate close to fuse shell is seted up connecting hole, the extension end of fuse passes through connecting hole and is connected with PTC electric heater main part.

[0007] Preferably, the two protection assemblies each further include a magnetic plate fixedly connected to the inner walls of the two L-shaped fixed slots; the fuse shell is fixedly connected with an iron column on both sides thereof, and the two iron columns are slidingly adsorbed with the two magnetic plates, respectively; the inner wall bottom end and the top of the two L-shaped fixed slots are fixedly connected with a sealing rubber pad, and the sealing rubber pad is in contact with the fuse shell.

[0008] Preferably, the two protection assemblies further comprise sealing plates arranged at the opening ends of the two L-shaped fixing grooves, and the two fixing blocks are respectively provided with insertion grooves on the sides close to the sealing plates.

[0009] Preferably, the two protection assemblies further comprise insertion rods fixedly connected to the sides of the sealing plates close to the two insertion grooves, respectively, the two insertion rods are respectively inserted into the two insertion grooves, the extension ends of the two insertion rods are respectively fixedly connected with second magnetic blocks, the two first magnetic blocks are respectively magnetically attracted to the two second magnetic blocks, and the side of the sealing plate close to the fuse shell is fixedly connected with a rubber sealing ring.

[0010] Preferably, the two heat dissipation assemblies each comprise sliding blocks fixedly connected to the bottom of the outer frame and the bottom of the support plate, the sides of the two sliding blocks close to each other are respectively provided with sliding grooves, and the two sliding grooves are slidably connected with a heat dissipation plate.

[0011] Preferably, the two heat dissipation assemblies each further comprise a mounting groove arranged at the middle of the upper end of the heat dissipation plate, the bottom of the heat dissipation plate is provided with a plurality of heat dissipation holes on the two sides, the plurality of heat dissipation holes are in communication with the mounting groove, and a heat dissipation fan is detachably fixedly connected to the middle of the mounting groove.

[0012] Preferably, the two heat dissipation assemblies each further comprise fixing holes arranged at the front and rear ends of the two sides of the heat dissipation plate, the lower ends of the two sliding blocks are respectively provided with penetrating holes on the front and rear sides, the lower ends of the two sliding blocks are respectively provided with adjusting plates on the front and rear ends, four fixing columns are respectively fixedly connected to the sides close to the two sliding blocks of the four adjusting plates, and the four fixing columns are inserted through the four penetrating holes and the four fixing holes.

[0013] Preferably, the two heat dissipation assemblies each further comprise third magnetic blocks fixedly connected to the interiors of the four fixing holes, the extension ends of the four fixing columns are respectively fixedly connected with fourth magnetic blocks, the four third magnetic blocks are respectively magnetically attracted to the four fourth magnetic blocks, guide springs are respectively sleeved on the four fixing columns, one sides of the four guide springs are respectively fixedly connected to the bottoms of the two sliding blocks, and the other sides of the four guide springs are respectively fixedly connected to the four adjusting plates.

[0014] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0015] By setting the protection assembly, the fuse is arranged in the protection assembly, so that the PTC electric heater main body is conveniently protected from overload, and damage of the circuit due to abnormal conditions such as overcurrent and overvoltage is prevented; when the current in the circuit exceeds the set value, the fuse is fused, so that the circuit is cut off, and the electric appliance and equipment are protected from damage; by setting the protection assembly, the connected fuse is conveniently replaced; and by setting the heat dissipation assembly, the heat dissipation effect is conveniently enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 is a top view structure schematic diagram of the utility model;

[0018] Figure 3 is a front view structure schematic diagram of the utility model;

[0019] Figure 4 is a bottom view structure schematic diagram of the utility model;

[0020] Figure 5 is a utility model Figure 3 A place enlarged structure schematic diagram in the utility model;

[0021] Figure 6 is a utility model Figure 3 B place enlarged structure schematic diagram in the utility model;

[0022] Figure 7 is a protection assembly place front view cross section structure schematic diagram of the utility model;

[0023] Figure 8 is a utility model Figure 7 C place enlarged structure schematic diagram in the utility model;

[0024] In the drawing: 1, outer frame; 2, PTC electric heater main body; 3, protection assembly; 4, heat dissipation assembly; 5, through hole; 6, sliding block; 7, sliding slot; 8, heat dissipation plate; 9, fixed hole; 10, third magnetic block; 11, adjusting plate; 12, fixed column; 13, fourth magnetic block; 14, guide spring; 15, heat dissipation hole; 16, heat dissipation fan; 17, fixed block; 18, L-shaped fixed groove; 19, fuse shell; 20, fuse; 21, magnetic plate; 22, iron column; 23, sealing rubber pad; 24, sealing plate; 25, insertion slot; 26, insertion rod; 27, second magnetic block; 28, first magnetic block; 29, mounting seat; 30, aluminum plate. DETAILED DESCRIPTION

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the application described in this specification and claims and the aforementioned drawings will be understood to include all modifications equivalent in scope to the embodiments described herein. The terms "comprising," "having," "including," and "containing" are to be construed as open-ended terms (i.e., meaning "including, but not limited to,") unless otherwise noted. The terms "first," "second," and the like, as used herein do not have any specific meaning, and are used only to distinguish one element from another.

[0026] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0027] The utility model discloses an embodiment provides a kind of with high pressure temperature fuse ceramic PTC heater, as shown in Figures 1-8 It comprises: outer frame 1, the both sides of outer frame 1 are respectively fixedly connected with mounting seat 29, outer frame 1 is back type, the lower end of outer frame 1 is detachably fixedly connected with support plate, a plurality of through holes 5 are formed in outer frame 1, PTC electric heater main body 2 is installed in the inside of outer frame 1, and aluminum plate 30 is arranged on the both sides of PTC electric heater main body 2;Protection assembly 3 is arranged on the both sides of aluminum plate 30, and two heat dissipation assemblies 4 are arranged on the bottom of outer frame 1;Two protection assemblies 3 all include two fixed blocks 17 fixedly connected with one side of aluminum plate 30, L-shaped fixed slots 18 are formed on the side of the mutual approach of two fixed blocks 17 respectively, and the same fuse housing 19 is inserted between two L-shaped fixed slots 18, fuse 20 is connected with fuse housing 19, and connecting hole is formed in the side of aluminum plate 30 close to fuse housing 19, and the extension end of fuse 20 is connected with PTC electric heater main body 2 by passing through connecting hole.

[0028] It needs to be explained that, since existing technology electric heating sheet is heated to a certain extent, power is too large to cause power failure or damage, the present scheme is provided with protection assembly 3, and fuse 20 is arranged in protection assembly 3, so as to facilitate overload protection of PTC electric heater main body 2, prevent circuit from being damaged due to abnormal conditions such as overcurrent and overvoltage, when the current in the circuit exceeds the set value, the fuse will be fused, so as to cut off the circuit, and protect the electrical appliances and equipment from being damaged, by setting protection assembly 3, the connected fuse 20 is convenient to replace, and by setting heat dissipation assembly 4, it is convenient to strengthen the heat dissipation effect.

[0029] In further preferred embodiments of the application, as shown in Figures 1-8As shown, the two protection components 3 also each include a magnetic plate 21 fixedly connected to the inner wall of the two L-shaped fixing grooves 18; the two sides of the fuse shell 19 are fixedly connected with iron columns 22, and the two iron columns 22 are slidably adsorbed with the two magnetic plates 21; the inner wall bottom and top of the two L-shaped fixing grooves 18 are fixedly connected with sealing rubber pads 23, and the sealing rubber pads 23 are in contact with the fuse shell 19.

[0030] In the embodiment, the fuse shell 19 is conveniently fixed and conveniently disassembled, the fuse 20 penetrates into the fuse shell 19 and is fixed by the fuse shell 19, the extension end of the fuse 20 is connected with the PTC electric heater body 2, and the connection mode of the fuse 20 and the PTC electric heater body 2 is prior art, which will not be described in detail.

[0031] In the further preferred embodiment of the utility model, as shown in Figures 1-8 As shown, the two protection components 3 also each include a sealing plate 24 arranged at the opening end of the two L-shaped fixing grooves 18, the side close to the sealing plate 24 of the two fixing blocks 17 is respectively provided with an insertion slot 25, and the bottom of the two insertion slots 25 is respectively fixedly connected with a first magnetic block 28.

[0032] In the embodiment, the opening end of the two L-shaped fixing grooves 18 is conveniently sealed by the sealing plate 24, the extension end of the fuse 20 is connected with the PTC electric heater body 2 by penetrating through the aluminum plate 30 between the two fixing blocks 17, and the fuse shell 19 is convenient for fixing the position of the fuse 20.

[0033] In the further preferred embodiment of the utility model, as shown in Figures 1-8 As shown, the two protection components 3 also each include an insertion rod 26 fixedly connected to the side close to the two insertion slots 25 of the sealing plate 24, the two insertion rods 26 are respectively inserted into the two insertion slots 25, the extension end bottom of the two insertion rods 26 is respectively fixedly connected with a second magnetic block 27, the two first magnetic blocks 28 are respectively adsorbed with the two second magnetic blocks 27, and the side close to the fuse shell 19 of the sealing plate 24 is fixedly connected with a rubber sealing ring.

[0034] In the embodiment, the fixing effect is improved.

[0035] In the further preferred embodiment of the utility model, as shown in Figures 1-6 As shown, the two heat dissipation components 4 each include a sliding block 6 fixedly connected to the bottom of the outer frame 1 and the bottom of the supporting plate, the side close to each other of the two sliding blocks 6 is respectively provided with a sliding groove 7, and the sliding plate 8 is slidably connected between the two sliding grooves 7.

[0036] In the embodiment, the sliding heat dissipation plate 8 is conveniently slid out of the sliding groove 7.

[0037] In the further preferred embodiment of the utility model, as shown inFigures 1-6 As shown in the figure, the two heat dissipation assemblies 4 also each include a mounting slot formed in the middle of the upper end of the two heat dissipation plates 8, and a plurality of heat dissipation holes 15 are formed in the bottom of the two heat dissipation plates 8 on both sides, the plurality of heat dissipation holes 15 are in communication with the mounting slot, and a heat dissipation fan 16 is detachably fixedly connected in the middle of the mounting slot, and the heat dissipation fan 16 corresponds to the PTC electric heater main body 2 in an up-down direction.

[0038] In this embodiment, heat dissipation is facilitated.

[0039] In further preferred embodiments of the utility model, as shown in the figure, Figures 1-6 As shown in the figure, the two heat dissipation assemblies 4 also each include a mounting slot formed in the middle of the upper end of the two heat dissipation plates 8, and a plurality of heat dissipation holes 15 are formed in the bottom of the two heat dissipation plates 8 on both sides, the plurality of heat dissipation holes 15 are in communication with the mounting slot, and a heat dissipation fan 16 is detachably fixedly connected in the middle of the mounting slot, and the heat dissipation fan 16 corresponds to the PTC electric heater main body 2 in an up-down direction.

[0040] In this embodiment, the position of the heat dissipation plate 8 is facilitated to be fixed.

[0041] In further preferred embodiments of the utility model, as shown in the figure, Figures 1-6 As shown in the figure, the two heat dissipation assemblies 4 also each include a mounting slot formed in the middle of the upper end of the two heat dissipation plates 8, and a plurality of heat dissipation holes 15 are formed in the bottom of the two heat dissipation plates 8 on both sides, the plurality of heat dissipation holes 15 are in communication with the mounting slot, and a heat dissipation fan 16 is detachably fixedly connected in the middle of the mounting slot, and the heat dissipation fan 16 corresponds to the PTC electric heater main body 2 in an up-down direction.

[0042] In this embodiment, the position of the heat dissipation plate 8 is facilitated to be fixed.

[0043] The electrical components appearing in the text are all electrically connected with the controller and the power supply, the control mode of the utility model is controlled through the controller, the control circuit of the controller can be realized through simple programming by the person skilled in the art, the provision of the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, therefore, the control mode and the circuit connection of the utility model will not be explained in detail.

[0044] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the action sequence described, because according to the present application, some steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0045] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented by other ways. For example, the device embodiments described above are only illustrative, for example, the division of the above units, actual implementation can have another division way, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point, the coupling or communication connection between the displayed or discussed each other can be through some interface, indirect coupling or communication connection between devices or units, which can be electrical or other forms.

[0046] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place, or they can be distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0047] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features of the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of the present application.

Claims

1. A high-voltage temperature fuse ceramic PTC heater, characterized in that, Include: The outer frame (1), the two sides of the outer frame (1) are respectively fixedly connected with the mounting seat (29), the outer frame (1) is back type, the lower end of the outer frame (1) is detachably fixedly connected with the support plate, a plurality of through holes (5) are formed in the outer frame (1), and the PTC electric heater body (2) is installed in the inside of the outer frame (1); The both sides of the PTC electric heater body (2) are provided with aluminum plate (30); The both sides of the aluminum plate (30) are respectively provided with protection assembly (3), and the bottom of the outer frame (1) is provided with two heat dissipation assemblies (4); Two protection assemblies (3) all include two fixed blocks (17) fixedly connected with one side of the aluminum plate (30), two L-shaped fixed grooves (18) are respectively formed in the side of the two fixed blocks (17) close to each other, the same fuse shell (19) is inserted between the two L-shaped fixed grooves (18), the fuse (20) is connected in the fuse shell (19), and the connection hole is formed in the side of the aluminum plate (30) close to the fuse shell (19); The extended end of the fuse (20) passes through the connection hole and is connected with the PTC electric heater body (2).

2. A high voltage temperature fuse ceramic PTC heater as claimed in claim 1, characterized in that, Two protection assemblies (3) also include magnetic plates (21) fixedly connected with the inner walls of two L-shaped fixed grooves (18) respectively; The both sides of the fuse shell (19) are respectively fixedly connected with iron columns (22), and the two iron columns (22) are respectively and slidably adsorbed with the two magnetic plates (21); The inner wall bottom and top of the two L-shaped fixed grooves (18) are fixedly connected with sealing rubber pads (23), and the sealing rubber pads (23) are in contact with the fuse shell (19).

3. A high voltage temperature fuse ceramic PTC heater as claimed in claim 2, characterized in that, Two protection assemblies (3) also include sealing plates (24) arranged at the opening ends of two L-shaped fixed grooves (18), and the sides of the two fixed blocks (17) close to the sealing plates (24) are respectively provided with insertion grooves (25), and the bottoms of the two insertion grooves (25) are respectively fixedly connected with first magnetic blocks (28).

4. A high voltage temperature fuse ceramic PTC heater as claimed in claim 3, characterized in that, Two protection assemblies (3) also include insertion rods (26) fixedly connected with the sides of the sealing plates (24) close to the two insertion grooves (25) respectively, the two insertion rods (26) are respectively inserted into the two insertion grooves (25), the extended end bottoms of the two insertion rods (26) are respectively fixedly connected with second magnetic blocks (27), the two first magnetic blocks (28) are respectively and mutually adsorbed with the two second magnetic blocks (27), and the side of the sealing plate (24) close to the fuse shell (19) is fixedly connected with a rubber sealing ring.

5. A high voltage temperature fuse ceramic PTC heater as claimed in claim 1, wherein, Two heat dissipation assemblies (4) all include sliding blocks (6) fixedly connected with the bottom of the outer frame (1) and the bottom of the support plate, the sides of the two sliding blocks (6) close to each other are respectively provided with sliding grooves (7), and the heat dissipation plate (8) is slidably connected between the two sliding grooves (7).

6. A high voltage temperature fuse ceramic PTC heater as claimed in claim 5, wherein, Two heat dissipation components (4) also include installation slots in the middle of the upper ends of two heat dissipation plates (8), and a plurality of heat dissipation holes (15) are arranged on the bottoms of the two sides of the heat dissipation plates (8), and the installation slots are communicated with the heat dissipation holes (15), and a heat dissipation fan (16) is detachably fixed in the middle of the installation slot, and the heat dissipation fan (16) is corresponded with the PTC electric heater body (2) in up and down directions.

7. A high voltage temperature fuse ceramic PTC heater as claimed in claim 6, wherein, Two heat dissipation components (4) also include fixing holes (9) arranged on the front and back ends of the heat dissipation plates (8), and through holes are arranged on the front and back sides of the lower ends of two sliding blocks (6), and adjusting plates (11) are arranged on the front and back ends of the lower ends of two sliding blocks (6), and four fixing columns (12) are fixed on the sides of the adjusting plates (11) close to the sliding blocks (6), and the four fixing columns (12) are inserted through the four through holes and the four fixing holes (9).

8. A high voltage temperature fuse ceramic PTC heater as claimed in claim 7, characterized in that, Two heat dissipation components (4) also include third magnetic blocks (10) fixed in the four fixing holes (9), and fourth magnetic blocks (13) are fixed on the extension ends of the four fixing columns (12), and the four third magnetic blocks (10) are adsorbed with the four fourth magnetic blocks (13), and guide springs (14) are arranged on the four fixing columns (12), and one side of the four guide springs (14) is fixed with the bottoms of the two sliding blocks (6), and the other side of the four guide springs (14) is fixed with the four adjusting plates (11).

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