CN220826457U

CN220826457U - Water heating PTC

Info

Publication number: CN220826457U
Application number: CN202322430374.4U
Authority: CN
Inventors: 陶振; 陈小东; 潘正昊; 王劲; 余蓓蓓; 陈露; 何泽江
Original assignee: Wuhu Huizhan New Energy Technology Co ltd
Current assignee: Wuhu Huizhan New Energy Technology Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-23
Anticipated expiration: 2033-09-07

Abstract

The utility model relates to the technical field of new energy automobiles, in particular to a water heating PTC (Positive temperature coefficient), which comprises a box body, a heat radiating piece, a heating component, a water inlet and a water outlet, wherein the heat radiating piece comprises an upper heat radiating body and a lower heat radiating body, a first runner is arranged at the top of the upper heat radiating body, a second runner is arranged at the bottom of the lower heat radiating body, a third runner is arranged at the bottom of the lower heat radiating body, antifreeze fluid is introduced into the second runner through the water inlet, enters the first runner through the second runner, enters the third runner through the first runner, and is discharged from the water outlet through the third runner, and is sequentially circulated.

Description

Water heating PTC

Technical Field

The utility model relates to the technical field of new energy automobiles, in particular to a water heating PTC.

Background

The PTC heater for heating the electric automobile is provided with two types of hot-air heating and water heating, the PTC water heating heater takes a PTC heating element as a heating core, a PTC heating pipe is manufactured, then a special aluminum alloy heat conductor is inserted, hot air is provided for the inside of the automobile through a hot air core body by heating antifreeze fluid, the hot air is soft and comfortable, the temperature is stable and moderate, the use is safe, and the energy conservation and the high efficiency are realized. In addition, the PTC water heater can be used for a power battery thermal management system of an electric automobile, and the battery is heated by heating the antifreeze. The publication number is: CN209972110U, an intelligent water heating heater is provided.

However, in the above scheme, the radiator structure is realized through two flow channels and two water tanks, so that the structure is too simple, the weight of the product is increased, the heat transfer barrier is increased, and the heat exchange efficiency is reduced.

Disclosure of utility model

In view of the above, the utility model aims to provide a water heating PTC to solve the problems that the existing water heating PTC radiator is simple in structure, heavy in weight, increases heat transfer barrier and reduces heat exchange efficiency.

Based on the above object, the present utility model provides a water heating PTC, comprising a case, a heat dissipating member, a heat generating component, a water inlet and a water outlet, wherein the heat dissipating member and the heat generating component are both disposed inside the case, the water inlet and the water outlet are both disposed on the case, and the heat dissipating member comprises:

The upper radiator is arranged at the top of the heating component and is fixedly connected with the top of the box body; the first runner is arranged at the top of the upper heat radiation body; the lower radiator is arranged at the bottom of the heating component and is fixedly connected with the bottom of the box body; the second flow passage is arranged at the bottom of the lower heat radiation body, and two ends of the second flow passage are respectively communicated with the water inlet and one end of the first flow passage; the third flow passage is arranged at the bottom of the lower heat radiation body, and two ends of the third flow passage are respectively communicated with the water outlet and the other end of the first flow passage.

Preferably, the case includes: the upper shell is sleeved on the upper heat radiation body and fixedly connected with the upper heat radiation body; the lower shell is detachably connected to the bottom of the upper shell, the lower shell is sleeved on the lower heat radiating body, the lower shell is fixedly connected with the lower heat radiating body, and the water inlet and the water outlet are both formed in the lower shell.

Preferably, the top of going up the casing is equipped with the installing frame, one side of installing frame is equipped with two and connects the installing port, heating element's joint passes go up the casing sets up the inside of installing frame, just the installing frame is used for placing the controller.

Preferably, welding grooves are formed in the edges of the upper radiator and the lower radiator around the sides, close to each other, of the upper shell and the lower shell respectively.

Preferably, the upper radiator is provided with two sealing pipes, one end of each sealing pipe is communicated with the upper radiator, the other end of each sealing pipe extends downwards to penetrate through the lower radiator, and the two sealing pipes are respectively close to one end of the first runner.

Preferably, the first flow channels are two first U-shaped flow channels which are communicated, each first U-shaped flow channel is composed of a plurality of first U-shaped plates, and each first U-shaped plate is fixedly connected with the upper radiator.

Preferably, the top of the lower heat radiation body is provided with a mounting groove, and the heating component is arranged in the mounting groove.

Preferably, the second flow channel and the third flow channel are both second U-shaped flow channels, the two second U-shaped flow channels are respectively located at one ends of the water inlet and the water outlet and are sealed, each second U-shaped flow channel is composed of a plurality of second U-shaped plates, and each second U-shaped plate is fixedly connected with the lower radiator.

The utility model has the beneficial effects that: the antifreeze fluid is introduced into the second flow channel through the water inlet, enters the first flow channel through the second flow channel, enters the third flow channel through the first flow channel, is discharged from the water outlet through the third flow channel and circulates in sequence, so that the heat dissipation effect on the heating component is improved by increasing the flowing time of the antifreeze fluid on the upper heat dissipation body and the lower heat dissipation body, and the problems that the existing water heating PTC radiator is simple in structure, heavy in weight, increases heat transfer obstruction and reduces heat exchange efficiency are solved.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic plan view illustrating an assembly of an upper housing and an upper heat sink according to an embodiment of the present utility model;

FIG. 3 is a schematic plan view illustrating an assembly of a lower housing and a lower heat sink according to an embodiment of the present utility model;

FIG. 4 is a schematic top view of an assembly of an upper heat sink and a lower heat sink according to an embodiment of the present utility model;

FIG. 5 is a schematic bottom view of an assembly of an upper heat sink and a lower heat sink according to an embodiment of the utility model.

Marked in the figure as:

1. A heating component; 2. a water inlet; 3. a water outlet; 4. an upper radiator; 5. a first flow passage; 6. a lower heat sink; 7. a second flow passage; 8. a third flow passage; 9. an upper housing; 10. a lower housing; 11. a mounting frame; 12. a joint mounting port; 13. a welding groove; 14. sealing the tube; 15. a first U-shaped flow channel; 16. a first U-shaped plate; 17. a mounting groove; 18. a second U-shaped flow channel; 19. and a second U-shaped plate.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1 to 5, a water heating PTC comprises a case, a heat radiating member, a heat generating component 1, a water inlet 2 and a water outlet 3, wherein the heat radiating member and the heat generating component 1 are all arranged in the case, the water inlet 2 and the water outlet 3 are all arranged on the case, and the heat radiating member comprises:

The upper radiator 4 is arranged at the top of the heating component 1, and the upper radiator 4 is fixedly connected with the top of the box body;

a first flow path 5 provided on top of the upper radiator 4;

the lower radiator 6 is arranged at the bottom of the heating component 1, and the lower radiator 6 is fixedly connected with the bottom of the box body;

a second flow passage 7 arranged at the bottom of the lower heat radiation body 6, wherein two ends of the second flow passage 7 are respectively communicated with the water inlet 2 and one end of the first flow passage 5;

The third flow channel 8 is arranged at the bottom of the lower heat radiation body 6, and two ends of the third flow channel 8 are respectively communicated with the water outlet 3 and the other end of the first flow channel 5.

The antifreeze is introduced into the second flow channel 7 through the water inlet 2, enters the first flow channel 5 through the second flow channel 7, enters the third flow channel 8 through the first flow channel 5, is discharged from the water outlet 3 through the third flow channel 8, and circulates in sequence, so that the heat dissipation effect on the heating component 1 is improved by increasing the flowing time of the antifreeze in the upper heat dissipation body 4 and the lower heat dissipation body 6, and the problems that the existing water heating PTC radiator is simple in structure, heavy in weight, increases heat transfer obstruction and reduces heat exchange efficiency are solved.

As an alternative embodiment, the case includes:

the upper shell 9 is sleeved on the upper heat radiation body 4, and the upper shell 9 is fixedly connected with the upper heat radiation body 4;

The lower shell 10 is detachably connected to the bottom of the upper shell 9, the lower shell 10 is sleeved on the lower heat radiation body 6, the lower shell 10 is fixedly connected with the lower heat radiation body 6, and the water inlet 2 and the water outlet 3 are both arranged on the lower shell 10.

As an alternative embodiment, the top of the upper housing 9 is provided with a mounting frame 11, one side of the mounting frame 11 is provided with two connector mounting openings 12, the connector of the heating component 1 passes through the upper housing 9 and is arranged in the mounting frame 11, and the mounting frame 11 is used for placing a controller.

For example, by providing the mounting frame 11 on the upper case 9, by mounting the controller in the mounting frame 11, the antifreeze also acts on the upper case 9 when passing through the first flow path 5, and the controller is subjected to the cooling process by the upper case 9.

As an alternative embodiment, a welding groove 13 is provided around the edges of the upper radiator 4 and the lower radiator 6 on the side where the upper case 9 and the lower case 10 are close to each other, respectively.

For example, in order to avoid that the welded seam between the upper shell 9 and the upper radiator 4 and the welded seam between the lower shell 10 and the lower radiator 6 affect the sealing installation between the upper shell 9 and the lower shell 10, the welding grooves 13 are arranged at the fitting installation positions of the upper shell 9 and the upper radiator 4 and the fitting installation positions of the lower shell 10 and the lower radiator 6, and the upper radiator 4 and the lower radiator 6 are respectively welded and fixed on the upper shell 9 and the lower shell 10 at the positions of the welding grooves 13, and the welded seam is arranged in the welding grooves 13, so that the sealing installation of the upper shell 9 and the lower shell 10 is not affected.

As an alternative embodiment, the upper radiator 4 is provided with two sealing pipes 14, one end of each sealing pipe 14 is communicated with the upper radiator 4, the other end of each sealing pipe extends downwards to penetrate through the lower radiator 6, and the two sealing pipes 14 are respectively arranged near one end of the first flow passage 5.

For example, by providing the seal pipe 14, the antifreeze in the first flow passage 5, the second flow passage 7, and the third flow passage 8 does not flow into the heat generating component 1, causing damage to the heat generating component 1.

As an alternative embodiment, the first flow channels 5 are two first U-shaped flow channels 15, each first U-shaped flow channel 15 is formed by a plurality of first U-shaped plates 16, and each first U-shaped plate 16 is fixedly connected with the upper radiator 4.

As an alternative embodiment, the top of the lower radiator 6 is provided with a mounting groove 17, and the heating element 1 is disposed inside the mounting groove 17.

As an alternative embodiment, the second flow channel 7 and the third flow channel 8 are both second U-shaped flow channels 18, two second U-shaped flow channels 18 are respectively located at one ends of the water inlet 2 and the water outlet 3 and are sealed, each second U-shaped flow channel 18 is composed of a plurality of second U-shaped plates 19, and each second U-shaped plate 19 is fixedly connected with the lower radiator 6.

For example, by placing the heat generating component 1 in the mounting groove 17, the upper radiator 4 and the lower radiator 6 wrap the heat generating component 1, so that the upper radiator 4 and the lower radiator 6 can fully absorb heat generated by the operation of the heat generating component 1, antifreeze is introduced from one end of the first and second U-shaped channels 18 through the water inlet 2, the antifreeze absorbs heat of the plurality of second U-shaped channels 19, passes through the antifreeze and enters the first and first U-shaped channels 15 from the other end of the first and second U-shaped channels 18 through the sealing tube 14, the antifreeze absorbs heat of the plurality of first U-shaped channels 16 again, passes through the sealing tube 14 and enters the second and second U-shaped channels 18 from the other first U-shaped channel 15, finally absorbs heat of the plurality of second U-shaped channels 19 through the antifreeze, and is discharged from the water outlet 3, and circulation processing is sequentially performed, so that the flow resistance is smaller, heat absorption is more sufficient, and PTC can fully exert power.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a hot-water heating PTC, includes box, radiating element, heating element (1), water inlet (2) and delivery port (3), radiating element and heating element (1) all set up the inside of box, water inlet (2) and delivery port (3) all set up on the box, its characterized in that, the radiating element includes:

The upper radiator (4) is arranged at the top of the heating component (1), and the upper radiator (4) is fixedly connected with the top of the box body; a first flow channel (5) arranged on the top of the upper radiator (4); the lower radiator (6) is arranged at the bottom of the heating component (1), and the lower radiator (6) is fixedly connected with the bottom of the box body; the second flow channel (7) is arranged at the bottom of the lower heat radiation body (6), and two ends of the second flow channel (7) are respectively communicated with the water inlet (2) and one end of the first flow channel (5); the third flow channel (8) is arranged at the bottom of the lower radiating body (6), and two ends of the third flow channel (8) are respectively communicated with the water outlet (3) and the other end of the first flow channel (5).

2. A water heating PTC according to claim 1 wherein the housing comprises:

An upper shell (9) sleeved on the upper heat radiation body (4), wherein the upper shell (9) is fixedly connected with the upper heat radiation body (4);

The lower shell (10) is detachably connected to the bottom of the upper shell (9), the lower shell (10) is sleeved on the lower radiating body (6), the lower shell (10) is fixedly connected with the lower radiating body (6), and the water inlet (2) and the water outlet (3) are both arranged on the lower shell (10).

3. A water heating PTC according to claim 2, characterized in that the top of the upper housing (9) is provided with a mounting frame (11), one side of the mounting frame (11) is provided with two joint mounting openings (12), the joint of the heating assembly (1) is disposed inside the mounting frame (11) through the upper housing (9), and the mounting frame (11) is used for placing a controller.

4. A water heating PTC according to claim 2 wherein the sides of the upper and lower cases (9, 10) which are close to each other are provided with a soldering groove (13) around the edges of the upper and lower heat-radiating bodies (4, 6), respectively.

5. A water heating PTC according to claim 1, wherein the upper radiator (4) is provided with two sealing pipes (14), one end of each sealing pipe (14) is communicated with the upper radiator (4), the other end of each sealing pipe extends downwards to penetrate the lower radiator (6), and the two sealing pipes (14) are respectively arranged near one end of the first flow passage (5).

6. A water heating PTC according to claim 1, wherein the first flow channels (5) are two first U-shaped flow channels (15) which are arranged in a communicating manner, each first U-shaped flow channel (15) is composed of a plurality of first U-shaped plates (16), and each first U-shaped plate (16) is fixedly connected with the upper radiator (4).

7. A water heating PTC according to claim 1, characterized in that the top of the lower radiator (6) is provided with a mounting groove (17), and the heating element (1) is provided inside the mounting groove (17).

8. A water heating PTC according to claim 1, wherein the second flow channel (7) and the third flow channel (8) are both second U-shaped flow channels (18), the two second U-shaped flow channels (18) are respectively located at one ends of the water inlet (2) and the water outlet (3) and are sealed, each second U-shaped flow channel (18) is composed of a plurality of second U-shaped plates (19), and each second U-shaped plate (19) is fixedly connected with the lower radiator (6).