CN213026581U - Connector, thermal circuit breaker and PTC heater - Google Patents
Connector, thermal circuit breaker and PTC heater Download PDFInfo
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- CN213026581U CN213026581U CN202021771843.9U CN202021771843U CN213026581U CN 213026581 U CN213026581 U CN 213026581U CN 202021771843 U CN202021771843 U CN 202021771843U CN 213026581 U CN213026581 U CN 213026581U
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- 239000002184 metal Substances 0.000 claims abstract description 66
- 229910052751 metal Inorganic materials 0.000 claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 230000005611 electricity Effects 0.000 abstract 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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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
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
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Abstract
The utility model belongs to the technical field of the PTC heating, concretely relates to connector, thermal circuit breaker and PTC heater. The more not enough of metal radiator electricity junction to current PTC heater, the utility model discloses a following technical scheme: a connector is used for connecting a circuit breaker main body of a thermal circuit breaker of a PTC heater and a metal radiator of the PTC heater, one end of the connector is provided with a riveting hole riveted with a riveting column of the circuit breaker main body of the thermal circuit breaker, the other end of the connector is provided with a riveting female head riveted with a riveting sheet of the metal radiator, and the electric connection position inside the connector is not more than one. The utility model discloses a connector reduces electric connection department quantity.
Description
Technical Field
The utility model belongs to the technical field of the PTC heating, concretely relates to connector, thermal circuit breaker and PTC heater.
Background
The PTC heater is also called as a PTC heating body, and the conventional PTC heater comprises a galvanized outer pressing plate, a stainless steel corrugated spring piece, a galvanized inner pressing plate, a PTC heating piece, a nickel-plated copper electrode terminal, a PPS high-temperature plastic electrode sheath and the like. The PTC heater adopts the corrugated radiating fins, so that the radiating rate of the PTC heater is improved, the advantages of adhesion and mechanical type are integrated, various thermal and electrical phenomena of the PTC heating piece during working are fully considered, the binding force is strong, the heat conduction and radiating performance are excellent, the efficiency is high, and the PTC heater is safe and reliable. The PTC heater has the prominent characteristic of safety performance, namely, when the fan stops due to failure, the power of the PTC heater can automatically and rapidly reduce because the PTC heater cannot fully dissipate heat, and the surface temperature of the heater is maintained at about Curie temperature (generally about 250 ℃), so that the surface of the heater such as an electric heating tube heater cannot be reddened.
Referring to fig. 1, a conventional PTC heater employs a plurality of PTCRs connected in parallel, and the PTCRs connected in parallel are also connected in parallel. Terminals are arranged between each set of PTCRs for connection to a power supply, the distance between the two terminals being the sum of the thickness of the two metal heat sinks and the thickness of one PTCR, which is typically less than 20 mm. However, the size of the thermal breaker of the PTCR heater (the conventional thermal breaker structure is shown in fig. 2) is not less than 34 mm. Therefore, the distance between the two terminals is not sufficient to accommodate the thermal cut-out, which must be placed on the other side. Because the thermal circuit breaker is located the opposite side, need increase parts such as wire and connect the thermal circuit breaker of remote department in the circuit of PTCR heater like this, lead to the structure complicacy, the contact point of heavy current increases, increases the potential safety hazard.
Referring to fig. 2, there are six conductive connections from the metal heat sink to the thermal break to the lead wires of the prior art PTC heater. When a device with high current such as PTC works, the current flowing through the contact point reaches 10A-20A, even if the contact resistance is only 0.1 ohm, the generated heat can cause the temperature rise of the terminal to 90 ℃ or even higher due to the small heat dissipation area, and the high temperature rise brings loss of energy consumption and risk of fire. The thermal cut-out for the existing PTC heaters also has two conductive rivets or crimps from the main body of the circuit breaker to the cable.
Disclosure of Invention
The utility model discloses adopt pin connection between the metal radiator to current PTC heater and thermal circuit breaker's circuit breaker main part, the electric connection department is more, perhaps the more not enough of electric connection department between the circuit breaker main part of the thermal circuit breaker of current PTC heater and power lead wire provides a connector, reduces the electric connection department. The utility model discloses provide a thermal circuit breaker and a PTC heater that has aforementioned thermal circuit breaker of this connector simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a connector is used for connecting a circuit breaker main body of a thermal circuit breaker of a PTC heater and a metal radiator of the PTC heater, one end of the connector is provided with a riveting hole riveted with a riveting column of the circuit breaker main body of the thermal circuit breaker, the other end of the connector is provided with a riveting female head riveted with a riveting sheet of the metal radiator, and the electric connection position inside the connector is not more than one.
The connector of the utility model has one end riveted with the riveting column of the breaker main body of the thermal breaker and the other end riveted with the riveting sheet of the metal radiator, the electric connection position inside the connector is not more than one, when the connector is integrally formed, no electric connection position is arranged inside the connector, and when the connector is assembled by two parts, an electric connection position is arranged; because the inside only an electric junction of connector compares among the prior art through five binding post and a pin connection metal radiator and circuit breaker main part, and the electric junction between circuit breaker main part and metal radiator is total six, adopts the utility model discloses a behind the connector, the electric junction between circuit breaker main part and metal radiator is only two (the inside electroless junction of connector) or three (the inside electric junction that has of connector). The plurality of contacts when riveting the two components together count as one electrical connection. The riveting head on the connector is a riveting female head, the metal radiator directly extends to form a riveting sheet, and the riveting sheet is easier to process than the riveting female head. The utility model discloses a connector can not do any change to metal radiator and thermal circuit breaker's circuit breaker main part.
As an improvement, the connector is integrally formed, and no electric connection part exists inside the connector.
As an improvement, the angle between the part of the riveting hole of the connector and the part of the riveting female head is 90 degrees.
As a modification, the connector is also formed with a tap near one end of the breaker main body.
As an improvement, the connector includes a first wiring terminal and a second wiring terminal, the first wiring terminal has one end of the riveting hole, the other end of the first wiring terminal has a connector, one end of the second wiring terminal has the female head of the riveting, and the other end of the second wiring terminal has a connecting portion matched with the connector.
As an improvement, the first connecting terminal or the second connecting terminal is extended to form a tap, and the tap can realize that the same thermal breaker controls more metal radiators. In order to take into account size and power, the PTC heater may have a plurality of metal heat sinks, the first connection terminal or the second connection terminal may further extend to form a tap, and the plurality of metal heat sinks of the same metal heat sink may all be controlled by the same thermal circuit breaker.
A connector is used for connecting a circuit breaker main body of a thermal circuit breaker of a PTC heater and a power supply, one end of the connector is provided with a riveting hole riveted with a riveting column of the circuit breaker main body of the thermal circuit breaker, the other end of the connector is provided with a lead riveting head riveted with a power supply lead, and the connector is integrally formed.
The utility model discloses a connector, one end and the riveting post riveting of thermal circuit breaker's circuit breaker main part, the other end and lead wire riveting, the inside electric connection department integrated into one piece of connector, the inside no electric connection department of connector, because the inside electroless junction of connector compares among the prior art through two binding post and a pin junction lead wire and circuit breaker main part, the electric connection department between circuit breaker main part and lead wire is total three, the utility model discloses an electric connection department between connector circuit breaker main part and lead wire is only two. The riveting contact points are only one electric connection point when the two components are riveted.
As a refinement, the connector is linear or "L" shaped. When the connector is in an L shape, the existing thermal breaker main body can not be changed at all. When the connector is in a linear shape, the insulating case of the main body of the thermal breaker needs to be modified, but the size of the thermal breaker can be made smaller.
A thermal circuit breaker for a PTC heater having a metal heat sink, the thermal circuit breaker comprising:
a circuit breaker main body;
the first connector and/or the second connector are/is electrically connected to the breaker main body respectively, one end of the first connector is provided with a riveting hole riveted with a riveting column of the breaker main body, the other end of the first connector is provided with a riveting female head riveted with a riveting sheet of the metal radiator, and the number of electric connection positions in the first connector is not more than one; one end of the second connector is provided with a riveting hole riveted with a riveting column of a breaker main body of the thermal breaker, the other end of the second connector is provided with a lead riveting head riveted with a power lead, and the second connector is integrally formed.
The utility model discloses a thermal circuit breaker, from metal radiator to lead wire, totally only four (when first connector integrated into one piece inside electroless junction) or five (first connector has an electric connection department) electric connections department, compare among the prior art from metal radiator to the total nine electric connections departments of lead wire, the quantity of electric connection department significantly reduces.
A PTC heater, comprising:
a plurality of metal heat sinks;
the PTC heating sheets are glued between adjacent metal radiators:
the PTC heating elements are connected in parallel between adjacent metal radiators to form heating units, and at least two heating units are connected in series;
at least two riveting sheets, wherein the riveting sheets are arranged on the metal radiator;
the thermal circuit breaker is the aforesaid thermal circuit breaker, the thermal circuit breaker is riveted with one of them riveting piece.
The utility model discloses a PTC heater from metal radiator to lead wire, totally only four (when the inside electroless junction of first connector integrated into one piece) or five (first connector has an electric connection department) electric connections department, compares among the prior art from metal radiator to the total nine electric connections departments of lead wire, and the quantity of electric connection department significantly reduces.
All the riveting sheets are located at the same end of the PTC heater in the length direction, and the thermal circuit breaker is arranged between two of the riveting sheets.
And two riveting sheets adjacent to the thermal circuit breaker are arranged on the corresponding metal radiator and are far away from one end of the thermal circuit breaker along the thickness direction of the PTC heating sheet, so that enough space is reserved for installing the thermal circuit breaker.
The utility model discloses a beneficial effect of connector is: the number of the electric connection parts is reduced, materials are saved, the assembly is simplified, more importantly, the heat productivity can be reduced, and the product stability is improved.
The utility model discloses a thermal circuit breaker and PTC heater adopt the utility model discloses a connector has the utility model discloses a connector's all beneficial effects.
Drawings
Fig. 1 is a schematic view of a conventional PTC heater.
Fig. 2 is a simplified wiring structure of a conventional PTC heater.
Fig. 3 is a schematic structural view of a first embodiment of the PTC heater according to the present invention.
Fig. 4 is a schematic structural diagram of a first embodiment of the thermal circuit breaker of the present invention.
Fig. 5 is an exploded view of a first embodiment of the thermal circuit breaker of the present invention.
Fig. 6 is a simplified schematic structural diagram of a second embodiment of the PTC heater according to the present invention.
Fig. 7 is a simplified exploded view of a second embodiment of the PTC heater according to the present invention.
Fig. 8 is a simplified schematic structural diagram of a PTC heater according to a third embodiment of the present invention.
Fig. 9 is an exploded view of a simplified embodiment of a PTC heater according to the present invention.
Fig. 10 is a simplified schematic structural diagram of a PTC heater according to a fourth embodiment of the present invention.
Fig. 11 is a simplified exploded view of a PTC heater according to the fourth embodiment of the present invention.
Fig. 12 is a simplified schematic structural diagram of a PTC heater according to an embodiment of the present invention.
Fig. 13 is a simplified exploded view of a PTC heater according to an embodiment of the present invention.
In the figure, 1, an outer press plate;
2. a corrugated fin;
3. an inner pressure plate;
4. a PTC heating sheet;
5. riveting the connecting sheet;
6. a circuit breaker main body; 61. riveting the column; 62. an insulating housing;
7. a first connector; 7a, riveting holes; 7b, riveting a female head; 7c, a tap; 71. a first connection terminal; 72. a second connection terminal; 7d, connecting heads; 7e, a connecting part;
8. a second connector; 81. lead wire riveting heads;
9. and a power supply lead.
Detailed Description
The technical solutions of the embodiments of the present invention will be explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and are not all embodiments. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the invention.
Referring to fig. 3 to 13, a PTC heater according to the present invention includes:
a plurality of metal heat sinks;
the PTC heating sheets are glued between adjacent metal radiators:
the PTC heating elements are connected in parallel between adjacent metal radiators to form heating units, and at least two heating units are connected in series;
at least two riveting sheets, wherein the riveting sheets are arranged on the metal radiator;
a thermal circuit breaker, the thermal circuit breaker comprising:
a circuit breaker main body;
the first connector and/or the second connector are/is electrically connected to the breaker main body respectively, one end of the first connector is provided with a riveting hole riveted with a riveting column of the breaker main body, the other end of the first connector is provided with a riveting female head riveted with a riveting sheet of the metal radiator, and the number of electric connection positions in the first connector is not more than one; one end of the second connector is provided with a riveting hole riveted with a riveting column of a breaker main body of the thermal breaker, the other end of the second connector is provided with a lead riveting head riveted with a power lead, and the second connector is integrally formed.
In the PTC heater of the utility model, one end of the connector is riveted with the riveting column of the breaker main body of the thermal breaker, the other end is riveted with the riveting sheet of the metal radiator, the electric connection position in the connector is not more than one, when the connector is integrally formed, no electric connection position exists in the connector, and when the connector is assembled by two parts, an electric connection position is provided; because the inside only an electric junction of connector compares among the prior art through five binding post and a pin connection metal radiator and circuit breaker main part, and the electric junction between circuit breaker main part and metal radiator is total six, adopts the utility model discloses a behind the connector, the electric junction between circuit breaker main part and metal radiator is only two (the inside electroless junction of connector) or three (the inside electric junction that has of connector). The plurality of contacts when riveting the two components together count as one electrical connection. The riveting head on the connector is a riveting female head, the metal radiator directly extends to form a riveting sheet, and the riveting sheet is easier to process than the riveting female head. The utility model discloses a connector can not do any change to metal radiator and thermal circuit breaker's circuit breaker main part.
Embodiment one of PTC Heater
Referring to fig. 3 to 5, a PTC heater according to the present invention includes:
a plurality of metal heat sinks;
the PTC heating plates 4 are adhered between adjacent metal radiators:
the PTC heating elements 4 are connected in parallel between adjacent metal radiators to form heating units, at least two heating units are arranged, and at least two heating units are connected in series;
at least two riveting sheets 5, wherein the riveting sheets 5 are arranged on the metal radiator;
a thermal circuit breaker, the thermal circuit breaker comprising:
a breaker main body 6;
and a first connector 7 electrically connected to the circuit breaker body 6, wherein one end of the first connector 7 has a riveting hole 7a riveted with the riveting column 61 of the circuit breaker body 6, the other end has a riveting female head 7b riveted with the riveting sheet 5 of the metal heat sink, and the electric connection position inside the first connector 7 is not more than one.
The existing thermal circuit breaker comprises a circuit breaker main body 6 and two wiring terminals, wherein the circuit breaker main body 6 comprises an insulating shell 62 and two riveting columns 61, and the two wiring terminals are riveted with the two riveting columns 61 respectively.
In this embodiment, the connector includes a first connection terminal 71 and a second connection terminal 72, the first connection terminal 71 has the riveting hole 7a at one end, and has a connection head 7d at the other end, the second connection terminal 72 has the female riveting head 7b at one end, and has a connection portion 7e at the other end, which is matched with the connection head 7 d.
In this embodiment, the second connection terminal 72 further extends to form a tap 7c, and the tap 7c can realize that the same thermal breaker controls more metal heat sinks. For size and power reasons, the PTC heater will have a plurality of metal heat sinks, and the second connection terminal 72 also extends to form the tap 7c, and the plurality of metal heat sinks of the same metal heat sink can all be controlled by the same thermal circuit breaker. The tap 7c is used for connecting a lead wire.
In this embodiment, the end of the circuit breaker main body 6 connected to the power supply is not modified compared to the prior art.
In this embodiment, the riveting structure between the joints is the prior art, and is not described herein.
In this embodiment, the rivet pieces 5 of all the metal heat sinks are located at the same end of the PTC heater in the length direction, and the thermal circuit breaker is disposed between two of the rivet pieces 5.
In this embodiment, the specific structures of the outer pressing plate 1, the corrugated heat dissipation sheet 2, the inner pressing plate 3, the PTC heating sheet 4, and the riveting sheet 5 of the metal heat sink may refer to the prior art, and are not described herein again.
In this embodiment, with two riveting pieces 5 that thermal circuit breaker is adjacent all set up and keep away from along 4 thickness directions of PTC heating plate of corresponding metal radiator thermal circuit breaker one end to reserve sufficient space for installing thermal circuit breaker. Specifically, in the present embodiment, the position of the rivet 5 is redesigned, and the connector is modified, so that the thermal cut-out can be provided at the end of the metal heat sink where the rivet 5 is located.
The utility model discloses a PTC heater's embodiment one's beneficial effect is: through the improvement of the connector, the thermal circuit breaker can be arranged at the end where the riveting sheet 5 of the metal radiator is positioned, only three electric connection positions are arranged from the metal radiator to the circuit breaker main body 6, and the number of the electric connection positions is effectively reduced; the existing thermal circuit breaker is not required to be modified; the second connection terminal 72 is also extended to form a tap 7c, for better applicability.
Example two of the PTC Heater
The second embodiment of the PTC heater is different from the first embodiment of the PTC heater in that the breaker main body 6 is kept unchanged, and other structures are modified.
Referring to fig. 6 and 7, a PTC heater according to the present invention includes a first connector 7 and a second connector 8 electrically connected to the circuit breaker main body 6, respectively, wherein the first connector 7 has a riveting hole 7a riveted to a riveting post 61 of the circuit breaker main body 6 at one end thereof and a riveting female head 7b riveted to a riveting piece 5 of a metal heat sink at the other end thereof, and the first connector 7 is integrally formed; the second connector 8 has a riveting hole 7a riveted to the riveting post 61 of the breaker main body 6 of the thermal breaker at one end and a lead riveting head 81 riveted to the power lead 9 at the other end, and the second connector 8 is integrally molded.
In this embodiment, an angle between a position of the riveting hole 7a of the first connector 7 and a position of the riveting female head 7b is 90 °.
In this embodiment, a tap 7c is formed at one end of the first connector 7 close to the breaker main body 6. The tap 7c is used for connecting a lead wire.
In this embodiment, the second connector 8 is L-shaped.
Other structures and effects of this embodiment are the same as those of the first embodiment of the PTC heater, and are not described herein.
Example III of PTC Heater
The third embodiment of the PTC heater is different from the second embodiment of the PTC heater in the second connector 8.
Referring to fig. 8 and 9, in the present embodiment, the second connector 8 has a linear shape. The insulating case 62 of the existing breaker body 6 is modified so that the second connector 8 having a straight line shape can be mounted.
When the connector is in a straight shape, although the insulating case 62 of the thermal breaker main body 6 needs to be modified, the thermal breaker can be made smaller in size.
Other structures and effects of this embodiment are the same as those of the second embodiment of the PTC heater, and are not described herein again.
Example four of PTC Heater
The fourth embodiment of the PTC heater is different from the first embodiment of the PTC heater in the first connector 7.
Referring to fig. 10 and 11, in the present embodiment, the connecting head 7d of the first connection terminal 71 of the first connector 7, which is away from one end of the circuit breaker main body 6, is a female rivet head 7b, and the connecting portion 7e of the second connection terminal 72 of the first connector 7, which is away from one end of the rivet 5 of the metal heat sink, is a connecting piece.
Other structures and effects of this embodiment are the same as those of the third embodiment of the PTC heater, and are not described herein again.
Example V of PTC Heater
The fourth embodiment of the PTC heater is different from the first embodiment of the PTC heater in the first connector 7.
Referring to fig. 12 and 13, in the present embodiment, the direction of the tap 7c on the first connection terminal 71 of the first connector 7 is different from that of the fourth embodiment of the PTC heater shown in fig. 10 to 11. In the present embodiment, the tap 7c on the first connection terminal 71 of the first connector 7 is parallel to the axial direction of the rivet post 61 of the breaker main body 6. In the fourth embodiment of the PTC heater, the tap 7c on the first connection terminal 71 of the first connector 7 is parallel to the radial direction of the rivet post 61 of the breaker main body 6.
Other structures and effects of this embodiment are the same as those of the fourth embodiment of the PTC heater, and are not described herein again.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto but is intended to cover various modifications and changes, including but not limited to the details shown in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the following claims.
Claims (10)
1. A connector for connecting a circuit breaker main body (6) of a thermal circuit breaker for a PTC heater and a metal heat sink for the PTC heater, characterized in that: one end of the connector is provided with a riveting hole (7 a) riveted with a riveting column (61) of a breaker main body (6) of the thermal breaker, the other end of the connector is provided with a riveting female head (7 b) riveted with a riveting sheet (5) of the metal radiator, and the electric connection position inside the connector is not more than one.
2. A connector according to claim 1, wherein: the connector is integrally formed; or,
the connector also forms a tap (7 c) near one end of the breaker body (6).
3. A connector according to claim 1, wherein: the connector includes first binding post (71) and second binding post (72), first binding post (71) one end has riveting hole (7 a), and the other end has connector (7 d), second binding post (72) one end has female head (7 b) of riveting, the other end have with connector (7 d) matched with connecting portion (7 e).
4. A connector according to claim 3, wherein: the first connection terminal (71) or the second connection terminal (72) also extends to form a tap (7 c).
5. A connector for connecting a circuit breaker main body (6) of a thermal circuit breaker for a PTC heater and a power supply, characterized in that: the connector is integrally formed, and has a riveting hole (7 a) riveted to a riveting post (61) of a breaker body (6) of the thermal breaker at one end and a lead riveting head (81) riveted to a power lead (9) at the other end.
6. A connector according to claim 5, wherein: the connector is linear or "L" shaped.
7. A thermal circuit breaker for a PTC heater having a metal heat sink, characterized in that: the thermal circuit breaker includes:
a breaker main body (6);
a first connector (7) and/or a second connector (8) respectively electrically connected to the circuit breaker main body (6), wherein one end of the first connector (7) is provided with a riveting hole (7 a) riveted with a riveting column (61) of the circuit breaker main body (6), the other end of the first connector is provided with a riveting female head (7 b) riveted with a riveting sheet (5) of a metal radiator, and the electric connection position inside the first connector (7) is not more than one; one end of the second connector (8) is provided with a riveting hole (7 a) riveted with a riveting column (61) of a breaker main body (6) of the thermal breaker, the other end of the second connector is provided with a lead riveting head (81) riveted with a power lead (9), and the second connector (8) is integrally formed.
8. A PTC heater characterized by: the PTC heater includes:
a plurality of metal heat sinks;
the PTC heating plates (4) are connected in parallel, and the PTC heating plates (4) are glued between adjacent metal radiators:
the PTC heating elements (4) are connected in parallel between adjacent metal radiators to form heating units, at least two heating units are arranged, and at least two heating units are connected in series;
at least two riveting sheets (5), wherein the riveting sheets (5) are arranged on the metal radiator;
thermal disconnector, of the type defined in claim 7, riveted to one of the riveting tabs (5).
9. A PTC heater according to claim 8, wherein: all rivet pieces (5) are located at the same end of the PTC heater in the length direction, and the thermal circuit breaker is arranged between two of the rivet pieces (5).
10. A PTC heater according to claim 9, wherein: and two riveting sheets (5) adjacent to the thermal circuit breaker are arranged on the corresponding metal radiator and are far away from one end of the thermal circuit breaker along the thickness direction of the PTC heating sheet (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020213975640 | 2020-07-15 | ||
| CN202021397564 | 2020-07-15 |
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| CN213026581U true CN213026581U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010691085.8A Pending CN111867162A (en) | 2020-07-15 | 2020-07-17 | High-voltage-resistance PTC heater |
| CN202010691574.3A Pending CN112040579A (en) | 2020-07-15 | 2020-07-17 | Thermal circuit breaker and PTC heater |
| CN202021421231.7U Active CN212344084U (en) | 2020-07-15 | 2020-07-17 | Thermal circuit breaker and PTC heater |
| CN202021421617.8U Active CN212278486U (en) | 2020-07-15 | 2020-07-17 | High-voltage-resistance PTC heater |
| CN202021771843.9U Active CN213026581U (en) | 2020-07-15 | 2020-08-21 | Connector, thermal circuit breaker and PTC heater |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010691085.8A Pending CN111867162A (en) | 2020-07-15 | 2020-07-17 | High-voltage-resistance PTC heater |
| CN202010691574.3A Pending CN112040579A (en) | 2020-07-15 | 2020-07-17 | Thermal circuit breaker and PTC heater |
| CN202021421231.7U Active CN212344084U (en) | 2020-07-15 | 2020-07-17 | Thermal circuit breaker and PTC heater |
| CN202021421617.8U Active CN212278486U (en) | 2020-07-15 | 2020-07-17 | High-voltage-resistance PTC heater |
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| CN113811031A (en) * | 2021-08-20 | 2021-12-17 | 曹黎霞 | PTC heater |
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| CN111867162A (en) * | 2020-07-15 | 2020-10-30 | 高守勇 | High-voltage-resistance PTC heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471034A (en) * | 1993-03-17 | 1995-11-28 | Texas Instruments Incorporated | Heater apparatus and process for heating a fluid stream with PTC heating elements electrically connected in series |
| CN204721625U (en) * | 2015-04-08 | 2015-10-21 | 蒋国屏 | A kind of heat generating core of thermal sensitive ceramics heating element and thermal sensitive ceramics heating element |
| CN204821027U (en) * | 2015-07-22 | 2015-12-02 | 孝感华工高理电子有限公司 | PTC generate heat assembly and vehicle air conditioner ware |
| CN106992103A (en) * | 2016-01-21 | 2017-07-28 | 瑞侃电子(上海)有限公司 | Thermal circuit beraker |
| CN207854201U (en) * | 2017-12-26 | 2018-09-11 | 广州市良升贸易有限公司 | A kind of Multi-layer series PTC resistor heat generating core |
| CN109587838A (en) * | 2018-08-21 | 2019-04-05 | 无锡国威陶瓷电器有限公司 | A kind of sub-assembly of PTC heater part |
| CN111867162A (en) * | 2020-07-15 | 2020-10-30 | 高守勇 | High-voltage-resistance PTC heater |
-
2020
- 2020-07-17 CN CN202010691085.8A patent/CN111867162A/en active Pending
- 2020-07-17 CN CN202010691574.3A patent/CN112040579A/en active Pending
- 2020-07-17 CN CN202021421231.7U patent/CN212344084U/en active Active
- 2020-07-17 CN CN202021421617.8U patent/CN212278486U/en active Active
- 2020-08-21 CN CN202021771843.9U patent/CN213026581U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113811031A (en) * | 2021-08-20 | 2021-12-17 | 曹黎霞 | PTC heater |
| CN113811031B (en) * | 2021-08-20 | 2023-08-22 | 曹黎霞 | PTC heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN212344084U (en) | 2021-01-12 |
| CN111867162A (en) | 2020-10-30 |
| CN212278486U (en) | 2021-01-01 |
| CN112040579A (en) | 2020-12-04 |
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