CN220017739U - Runner structure of PTC heater - Google Patents
Runner structure of PTC heater Download PDFInfo
- Publication number
- CN220017739U CN220017739U CN202321072739.4U CN202321072739U CN220017739U CN 220017739 U CN220017739 U CN 220017739U CN 202321072739 U CN202321072739 U CN 202321072739U CN 220017739 U CN220017739 U CN 220017739U
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- Prior art keywords
- shell
- heating
- flow
- cooling liquid
- base
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- 238000010438 heat treatment Methods 0.000 claims abstract description 91
- 239000000110 cooling liquid Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Resistance Heating (AREA)
Abstract
The utility model belongs to the technical field of coolant circulation of heaters, and particularly provides a flow channel structure of a PTC heater, which comprises a shell, a base and a heating assembly; the shell is in buckling fit with the base to form a cavity for accommodating the heating component; the heating component is arranged in the shell and is matched with the flow blocking plate and the flow guiding plate, and an S-shaped flow channel and a liquid outlet flow channel are formed in the shell. The flow passage structure of the PTC heater provided by the utility model has the advantages that the heating parts are arranged in the vertical water flow direction, a specific cooling liquid flow passage is formed through structural cooperation between the heating parts of the shell and the ribs arranged on the base, a flow passage structure for cooling liquid to flow is formed, the flow of cooling liquid can be oriented, the cooling liquid can be fully heated through each heating part, and the heating efficiency is improved. In addition, through spoiler and guide plate, can set for the size of runner, and then control the flow resistance of coolant liquid for it is more smooth and easy to flow.
Description
Technical Field
The utility model belongs to the technical field of coolant circulation of heaters, and particularly relates to a flow passage structure of a PTC heater.
Background
The PTC heating element product adopts the u-shaped corrugated radiating fins, so that the radiating rate is improved, the advantages of gluing and mechanical property are combined, various thermal and electric phenomena of the PTC heating element during working are fully considered, the binding force is strong, the heat conduction and radiating performance is excellent, the efficiency is high, and the PTC heating element is safe and reliable. The PTC heater has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heater. The thermal power of PTC water heater receives the restriction of runner very big, because runner structure has influenced the flow resistance of coolant liquid, and then influences heat exchange ability, and when heat exchange ability was low, the heat that PTC resistance piece given off can not in time be taken away by coolant liquid, and the resistance of PTC resistance piece can increase, and the thermal power of PTC can greatly reduced under the condition of constant voltage, and product performance and PTC's thermal efficiency receive the influence.
At present, the flow passage and the heating part of the automobile water heater are separately designed, or the flow passage of the heating part is parallel to the inlet water flow direction, so that the heating efficiency of the cooling liquid is low. Therefore, the heating part is designed to be perpendicular to the water flow direction of the inlet, and the base and the shell can fix the water flow direction through the structure to limit the flow direction of the cooling liquid to adjust the flow resistance, so that the base structure of the heater is used for forming a proper flow passage, and the efficiency of the heater is improved.
Disclosure of Invention
The utility model aims to solve the problem of low heat exchange efficiency of cooling liquid in the prior art.
The utility model provides a flow channel structure of a PTC heater, which comprises a shell, a base and a heating component; the shell is in buckling fit with the base to form a cavity for accommodating the heating component; the heating assembly comprises a plurality of first heating elements and a plurality of second heating elements which are arranged in parallel in the shell, and the first heating elements and the second heating elements are sequentially arranged at intervals in a circulating way; one end of each second heating piece is fixedly connected through a vertical guide plate, and the other end of each second heating piece is arranged at intervals with the side wall of the shell; one end of each first heating piece is fixedly connected with the side wall of the shell through a transverse flow blocking plate, and the other ends of the first heating pieces are arranged at intervals with the flow guiding plates; the first heating element and the second heating element form an S-shaped flow channel in the shell; a liquid outlet channel is formed between the guide plate and the side wall of the shell, a cooling liquid inlet and a cooling liquid outlet are symmetrically arranged on two sides of the shell, and the cooling liquid inlet, the S-shaped channel, the liquid outlet channel and the cooling liquid outlet are sequentially communicated.
Specifically, the first heating element and the second heating element are perpendicular to the water flow direction of the cooling liquid inlet.
Specifically, the base and the shell are provided with one-to-one corresponding mounting holes; the shell and the base are in buckling fit through screws and mounting holes.
Specifically, the base is provided with a plurality of rib position plates, and after the shell is buckled with the base, the rib position plates, the first heating piece and the second heating piece are matched to form a cavity.
Specifically, the base and the rib plate are integrally formed.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the flow passage structure of the PTC heater provided by the utility model has the advantages that the heating parts are arranged in the vertical water flow direction, a specific cooling liquid flow passage is formed through structural cooperation between the heating parts of the shell and the ribs arranged on the base, a flow passage structure for cooling liquid to flow is formed, the flow of cooling liquid can be oriented, the cooling liquid can be fully heated through each heating part, and the heating efficiency is improved. In addition, through spoiler and guide plate, can set for the size of runner, and then control the flow resistance of coolant liquid for it is more smooth and easy to flow.
The present utility model will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a flow channel structure of a PTC heater according to the present utility model.
Fig. 2 is a schematic flow diagram of a cooling liquid in a flow channel structure of the PTC heater according to the present utility model.
Fig. 3 is a schematic view of a housing structure of the PTC heater provided by the present utility model.
Fig. 4 is a schematic view of a base structure of the PTC heater according to the present utility model.
Fig. 5 is a schematic view of the structure of the PTC heater provided by the present utility model.
Reference numerals illustrate: 1. a housing; 2. a base; 3. a rib plate; 4. a cooling liquid inlet; 5. a cooling liquid outlet; 6. a first heating member; 7. a spoiler; 8. second heating; 9. a deflector; 10. s-shaped flow channels; 11. a liquid outlet channel; 12. a screw; 13. and (5) mounting holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" may include one or more such features, either explicitly or implicitly; in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Referring to fig. 1 to 5, the present utility model provides a flow path structure of a PTC heater, comprising a housing 1, a base 2, and a heating assembly; the shell 1 is in buckling fit with the base 2 to form a cavity for accommodating the heating component; the heating assembly comprises a plurality of first heating elements 6 and a plurality of second heating elements 8 which are arranged in parallel in the shell 1, and the heating assemblies are arranged at intervals in a circulating mode according to a mode of 'the first heating elements 6-the second heating elements 8-the first heating elements 6-the second heating elements 8', and spaces between adjacent heating elements are used for cooling liquid to flow; one ends of the plurality of second heating elements 8 are fixedly connected through vertical guide plates 9, the other ends of the second heating elements are arranged at intervals with the side wall of the shell 1, and the guide plates 9 are parallel to the cooling liquid outlet 5 and perpendicular to the other spoilers 7; one ends of the first heating elements 6 are fixedly connected with the side wall of the shell 1 through a transverse flow blocking plate 7 respectively, and the other ends of the first heating elements are arranged at intervals with the flow guiding plates 9; the first heating element 6 and the second heating element 8 form an S-shaped flow channel 10 in the shell 1; a liquid outlet channel 11 is formed between the guide plate 9 and the side wall of the shell 1, a cooling liquid inlet 4 and a cooling liquid outlet 5 are symmetrically arranged on two sides of the shell 1, and the cooling liquid inlet 4, the S-shaped channel 10, the liquid outlet channel 11 and the cooling liquid outlet 5 are sequentially communicated.
In the actual use process, as shown in fig. 2, the cooling liquid enters the cavity formed by the shell 1 and the base 2 from the cooling liquid inlet 4, and due to the flow blocking effect of the flow blocking plate 7 arranged between the left end of the first heating element 6 and the side wall of the shell 1 and the flow guiding effect of the flow guiding plate 9 arranged at the right end of the second heating element 8, the cooling liquid enters the S-shaped flow channel 10, and flows through the first heating element 6 and the second heating element 8 which are arranged at intervals in sequence through the limit of the S-shaped flow channel 10, so that the cooling liquid can be heated by each heating element. After flowing through the last heating element, the cooling liquid enters the liquid outlet channel 11 on the right side of the guide plate 9, finally flows out through the cooling liquid outlet 5, and heat exchange is completed. In the production and manufacturing process of the flow channel structure, the interval between the first heating element 6 and the second heating element 8, the interval between the first heating element 6 and the guide plate 9, and the interval between the second heating element 8 and the side wall of the shell 1 can be designed according to the requirements so as to control the flow resistance of the cooling liquid.
Specifically, the first heating element 6 and the second heating element 8 are perpendicular to the water flow direction of the cooling liquid inlet 4, so that the cooling liquid is fully contacted with the heating elements, and the heating efficiency is improved.
In a refined embodiment, the base 2 and the shell 1 are provided with one-to-one corresponding mounting holes 13, and the screws 12 penetrate through the corresponding mounting holes 13 of the base 2 and the shell 1 to lock the shell 1 and the base 2, so that the buckling fit of the base 2 and the shell 1 is realized.
Further, the base 2 is provided with a plurality of rib position plates 3, and after the shell 1 is buckled with the base 2, a matching cavity is formed between the rib position plates 3 and the first heating piece 6 and between the rib position plates and the second heating piece 8. Specifically, the inside of the base 2 is also provided with a flow blocking plate 7 and a flow guiding plate 9 which are in one-to-one correspondence with the flow blocking plate 7 and the flow guiding plate 9 in the shell 1, so that the integrity of the S-shaped flow channel 10 and the liquid outlet flow channel 11 is maintained, and liquid leakage is prevented.
Preferably, the base 2 and the rib position plate 3 are integrally formed, so that the tightness and the overall strength of the heater are enhanced.
In summary, the flow channel structure of the PTC heater provided by the present utility model has the heating elements arranged in the direction perpendicular to the water flow, and forms a specific cooling liquid flow channel by the structural cooperation between the heating elements of the housing 1 and the ribs arranged on the base 2, so as to form a flow channel structure for cooling liquid to flow, so that the cooling liquid can flow directionally, and the cooling liquid is fully heated by each heating element, and the heating efficiency is improved. In addition, through the flow blocking plate 7 and the flow guiding plate 9, the size of the flow channel can be set, and the flow resistance of the cooling liquid is further controlled, so that the flow is smoother.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.
Claims (5)
1. A flow channel structure of a PTC heater, characterized in that: comprises a shell (1), a base (2) and a heating component; the shell (1) is in buckling fit with the base (2) to form a cavity for accommodating the heating component; the heating assembly comprises a plurality of first heating elements (6) and a plurality of second heating elements (8) which are arranged in parallel in the shell (1), and the first heating elements (6) and the second heating elements (8) are sequentially and circularly arranged at intervals; one end of each second heating piece (8) is fixedly connected through a vertical guide plate (9), and the other end of each second heating piece is arranged at intervals with the side wall of the shell (1); one end of each first heating piece (6) is fixedly connected with the side wall of the shell (1) through a transverse flow blocking plate (7), and the other ends of the first heating pieces are arranged at intervals with the flow guiding plates (9); the first heating element (6) and the second heating element (8) form an S-shaped flow channel (10) in the shell (1); a liquid outlet channel (11) is formed between the guide plate (9) and the side wall of the shell (1), a cooling liquid inlet (4) and a cooling liquid outlet (5) are symmetrically arranged on two sides of the shell (1), and the cooling liquid inlet (4), the S-shaped channel (10), the liquid outlet channel (11) and the cooling liquid outlet (5) are sequentially communicated.
2. A flow path structure of a PTC heater according to claim 1, wherein: the first heating element (6) and the second heating element (8) are perpendicular to the water flow direction of the cooling liquid inlet (4).
3. A flow path structure of a PTC heater according to claim 1, wherein: the base (2) and the shell (1) are provided with one-to-one corresponding mounting holes (13); the shell (1) is in buckling fit with the base (2) through a screw (12) and a mounting hole (13).
4. A flow path structure of a PTC heater according to claim 1, wherein: a plurality of rib position plates (3) are arranged in the base (2), and after the shell (1) is buckled with the base (2), the rib position plates (3) are matched with the first heating piece (6) and the second heating piece (8) to form a cavity.
5. A flow path structure of a PTC heater according to claim 4, wherein: the base (2) and the rib position plate (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072739.4U CN220017739U (en) | 2023-05-06 | 2023-05-06 | Runner structure of PTC heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072739.4U CN220017739U (en) | 2023-05-06 | 2023-05-06 | Runner structure of PTC heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220017739U true CN220017739U (en) | 2023-11-14 |
Family
ID=88674705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321072739.4U Active CN220017739U (en) | 2023-05-06 | 2023-05-06 | Runner structure of PTC heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220017739U (en) |
-
2023
- 2023-05-06 CN CN202321072739.4U patent/CN220017739U/en active Active
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