CN220842130U

CN220842130U - PTC heating protector for new energy automobile

Info

Publication number: CN220842130U
Application number: CN202322243118.4U
Authority: CN
Inventors: 张进
Original assignee: Hefei Haosheng Control Technology Co ltd
Current assignee: Hefei Haosheng Control Technology Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-04-26
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses a PTC heating protection device for a new energy automobile, which comprises a positioning shell, wherein a blower is arranged in the positioning shell, a first through pipe is fixedly arranged at the output end of the blower, a square through pipe is fixedly arranged at one end of the first through pipe, which is far away from the blower, a second through pipe is fixedly arranged at the side end surface of the square through pipe, a mounting shell is fixedly arranged at one end of the second through pipe, which is far away from the square through pipe, and a PTC body is arranged in the mounting shell. In the using process of the utility model, through the arrangement of the backflow prevention component, the hot air in the backflow phenomenon can directly flow to the back surfaces of the two limiting rotating plates by using the flow guide blocks, the limiting rotating plates in the rotating state can be directly restored to the original positions by pushing the hot air, and the pipeline can be directly sealed by using the two limiting rotating plates, so that the damage of the blower caused by the hot air flowing into the blower can be avoided, and the service life of the blower is effectively prolonged.

Description

PTC heating protector for new energy automobile

Technical Field

The utility model relates to the technical field of automobile air conditioners, in particular to a PTC heating protection device for a new energy automobile.

Background

Along with the development of the automobile industry, the energy-saving use of the engine leads to insufficient heating of the heat generated by the engine, an auxiliary heating device is needed to be additionally arranged, and the PTC heater is formed by combining a plurality of single-chip PTC thermal sensitive ceramic elements, is an automatic constant-temperature and electricity-saving electric heater, and is widely applied to the fields of automobiles and air conditioners.

Among the prior art, the publication number is "CN217969176U" discloses a new energy automobile air conditioner PTC heater device, promote the ejector pad through the staff right and drive the fixture block and remove to the right, make the left end of fixture block shrink to the inside of fixed box, until the upper surface of stopper breaks away from of left end of fixture block, the staff can directly take off the protective case from the mounting panel this moment, make things convenient for the staff to dismantle the maintenance to PTC heater, the maintenance efficiency of PTC heater when the maintenance has been improved, the protective case of having solved current PTC heater plays the guard action to the piece group that generates heat, its protective case generally passes through the screw fixation on the mounting panel, when maintaining the fin group, comparatively troublesome problem that influences maintenance inspection efficiency.

However, the prior art still has great disadvantages, such as:

At present, heat generated by the PTC in the heating process passes through the periphery of the heat generated by the PTC through the air flow of the blower, and then drives the heat to be transferred to the inside of the automobile, when an outlet of the PTC heating device and an automobile air conditioner pipeline are blocked or backflow occurs, the heat generated by the PTC can partially enter a channel of the blower, and when the heat enters the blower, the blower can be damaged.

Disclosure of utility model

The utility model aims to provide a PTC heating protection device for a new energy automobile, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The PTC heating protection device for the new energy automobile comprises a positioning shell, wherein a blower is arranged in the positioning shell, a first through pipe is fixedly arranged at the output end of the blower, a square through pipe is fixedly arranged at one end of the first through pipe, which is far away from the blower, a second through pipe is fixedly arranged at the side end surface of the square through pipe, a mounting shell is fixedly arranged at one end of the second through pipe, which is far away from the square through pipe, a PTC body is arranged in the mounting shell, and a discharge pipe for blowing hot air into the new energy automobile is fixedly arranged at the side end surface of the mounting shell;

And a backflow prevention assembly for preventing the damage of the blower caused by hot air flow in the pipeline is arranged in the square through pipe.

Preferably, the backflow prevention assembly comprises a mounting hole arranged in the square through pipe, a rotating shaft is rotatably arranged in the mounting hole, a limiting rotating plate is fixedly arranged at one end, far away from the mounting hole, of the rotating shaft, a reset torsion spring is fixedly arranged on the rotating shaft, and one end, far away from the rotating shaft, of the reset torsion spring is fixedly arranged on the inner side surface of the mounting hole;

Inside and the right side fixed mounting that is in spacing revolving plate of installation shell have the reposition of redundant personnel piece, the side terminal surface fixed mounting of reposition of redundant personnel piece has the water conservancy diversion piece, through the air current that the air-blower produced can be with two spacing revolving plates of closed state to both sides expansion, thereby can realize square siphunculus's circulation.

Preferably, the dustproof assembly is arranged at the inlet of the positioning shell and comprises a positioning ring which is arranged in the positioning shell through a fastening bolt, a mounting ring is fixedly arranged in the positioning ring, a sound absorbing ring is fixedly arranged on the inner side surface of the mounting ring, and a dustproof filter screen for intercepting external dust is arranged on the inner side surface of the sound absorbing ring.

Preferably, the sound absorbing ring is made of a sound absorbing plate.

Preferably, the sound absorbing cotton is fixedly arranged on the inner side surface of the sound absorbing ring and on two sides of the dustproof filter screen.

Preferably, the side surface of the mounting case is provided with a mounting groove.

Preferably, the cross-sectional shape of the diverter block is configured as an isosceles triangle.

Preferably, the number of the limiting rotating plates is two, and the limiting rotating plates are symmetrically arranged.

Compared with the prior art, the utility model has the beneficial effects that:

1. Through the arrangement of the backflow prevention assembly, the hot air in the backflow phenomenon can directly flow to the back surfaces of the two limiting rotating plates by utilizing the flow guide blocks, the limiting rotating plates in the rotating state can be directly restored to the original positions by pushing the hot air, and the pipeline can be directly sealed by utilizing the two limiting rotating plates, so that the damage to the blower caused by the hot air flowing into the blower can be avoided, and the service life of the blower is effectively prolonged;

2. Through the setting of dustproof subassembly, utilize dustproof filter screen can intercept external impurity and dust, can avoid impurity and dust to cause the damage of air-blower, utilize the holding ring simultaneously can carry out the dismouting with dustproof filter screen, conveniently clear up impurity and dust on the dustproof filter screen, improve the practicality of device.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the positioning housing according to the present utility model;

FIG. 3 is a cross-sectional view of a square tube in accordance with the present utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a schematic view of the internal structure of the square tube according to the present utility model;

FIG. 6 is a schematic view of a retaining ring according to the present utility model.

FIG. 7 is an enlarged view at B in FIG. 6;

FIG. 8 is a schematic view of a spoiler according to the present utility model.

In the figure: 1. positioning a shell; 2. a first through pipe; 3. a square through pipe; 4. a second through pipe; 5. a mounting shell; 6. a PTC body; 7. a discharge pipe; 8. a mounting hole; 9. a rotating shaft; 10. a reset torsion spring; 11. limiting rotating plate; 12. a shunt block; 13. a flow guiding block; 14. a blower; 15. a positioning ring; 16. a mounting ring; 17. a sound absorbing ring; 18. sound absorbing cotton; 19. a dust-proof filter screen; 20. a fastening bolt; 21. a mounting groove; 22. a flow blocking plate.

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.

Referring to fig. 1-8, the present utility model provides a technical solution:

Embodiment one:

The utility model provides a PTC heating protector for new energy automobile, including positioning shell 1, can install on the car on the positioning shell 1, be provided with air-blower 14 in the positioning shell 1, the power of air-blower 14 can be set up on the car, perhaps utilize the electric power of car to start also can, this technique is the conventional technical means in the field, do not make details here, the output fixed mounting of this place has first siphunculus 2, the one end that first siphunculus 2 kept away from air-blower 14 has square siphunculus 3, square siphunculus 3's side terminal surface fixed mounting has second siphunculus 4, the one end that square siphunculus 3 was kept away from to second siphunculus 4 has the installation shell 5, the side surface of installation shell 5 is provided with mounting groove 21, can dismantle PTC body 6 with the mounting groove 21, conveniently change PTC body 6, be provided with PTC body 6 in the installation shell 5, the side terminal surface fixed mounting of installation shell 5 has the exhaust pipe 7 that is used for blowing into new energy automobile, the heat that exhaust pipe 7 discharged can lead into in the car, thereby can realize the inside heating of new energy automobile;

The inside of the square through pipe 3 is provided with a backflow prevention component for preventing the damage of the blower 14 caused by hot air flow in the pipeline, the backflow prevention component comprises a plurality of mounting holes 8 arranged in the square through pipe 3, a rotating shaft 9 is rotatably arranged in each mounting hole 8, one end of each rotating shaft 9, far away from each mounting hole 8, is fixedly provided with two limiting rotating plates 11, the limiting rotating plates 11 are symmetrically arranged, the inside of the square through pipe 3 can be sealed by using the two limiting rotating plates 11, no external force acts on the sealing of the pipeline, the rotating shaft 9 is fixedly provided with a reset torsion spring 10, one end of each reset torsion spring 10, far away from each rotating shaft 9, is fixedly arranged on the inner side surface of each mounting hole 8, the number of each mounting hole 8 is multiple, and the two limiting rotating plates 11 are symmetrically arranged, the positions of each mounting hole 8 are positioned in the inside of each positioning groove, and the mounting holes 8 can fully store the rotating shaft 9 and the reset torsion spring 10;

Inside the installation shell 5 and be in the right side fixed mounting of spacing revolving plate 11 and divide the flow block 12, divide the cross sectional shape of flow block 12 to set up to isosceles triangle, can directly blow in second through-tube 4 with the air current that air-blower 14 produced, and then can blow in installation shell 5, divide the side terminal surface fixed mounting of flow block 12 to have guide block 13, the air current that produces through air-blower 14 can expand two spacing revolving plates 11 of closed state to both sides, thereby can realize square siphunculus 3's circulation, when the phenomenon of backward flow appears in the pipeline, the flow of hot air current can directly let in the back of spacing revolving plate 11 through guide block 13, can directly restore to original position with the spacing revolving plate 11 of rotation state, limit revolving plate 11 also can be through reset torsion spring 10 torsion can restore original position with the spacing revolving plate 11 of rotation state simultaneously.

Embodiment two:

On the basis of embodiment one, in order to avoid the damage of the blower 14 caused by the inflow of external dust and impurities into the blower 14 along with the air flow, the dust-proof filter screen 19 is utilized to avoid the phenomenon, the dust-proof component is arranged at the inlet of the positioning shell 1 and comprises a positioning ring 15 installed in the positioning shell 1 through a fastening bolt 20, a mounting ring 16 is fixedly installed in the positioning ring 15, a sound absorbing ring 17 is fixedly installed on the inner side surface of the mounting ring 16, the sound absorbing ring 17 is made of a sound absorbing plate, and sound absorbing cotton 18 is fixedly installed on the inner side surface of the sound absorbing ring 17 and on two sides of the dust-proof filter screen 19. Utilize inhale the sound cotton 18 and can further absorb the noise that produces on the basis of inhaling sound ring 17, can further reduce the noise around the positioning shell 1, the medial surface of inhaling sound ring 17 is provided with the dustproof filter screen 19 that is used for with external dust interception, utilize dustproof filter screen 19 can intercept external impurity and dust, can avoid external impurity and dust to avoid the air-blower 14 to damage, can effectually improve the life of air-blower 14, and can absorb the sound that produces between air current and the dustproof filter screen 19 through inhaling sound ring 17, can reduce the noise around the positioning shell 1.

Embodiment III:

On the basis of the first embodiment, in order to avoid the trouble of the structure of the backflow prevention assembly in the first embodiment in actual production, the backflow prevention assembly in the square pipe 3 can be provided with spoilers 22 which are symmetrically arranged up and down and are obliquely arranged, and part of backflow air flow in the pipeline can be intercepted by using the spoilers 22, and although part of hot air flow can flow into the blower 14, the backflow prevention effect is poor, but the backflow prevention assembly is very convenient in the actual production process, and although the structure of the backflow prevention assembly in the first embodiment is trouble in actual production, the backflow prevention effect is very good, the whole pipeline can be directly closed in the airflow backflow process, and part of hot air flow can not flow into the blower 14.

Working principle:

When the air conditioner is used, external air flow can enter the positioning shell 1 through the dustproof filter screen 19 by the air blower 14, then the air flow can be introduced into the square through pipe 3 through the air blower 14 by the first through pipe 2, the limit rotating plate 11 in a closed state can be unfolded outwards by pushing of the air flow, then the air flow can enter the second through pipe 4 through the split block 12, the air flow in the second through pipe 4 can be directly blown to the PTC body 6 in the mounting shell 5, heat of the PTC body can be directly blown to the exhaust pipe 7 by the air flow, and finally hot air flow can directly flow into an automobile;

When a backflow phenomenon occurs in the installation shell 5, hot air in the installation shell 5 directly enters the square through pipe 3 through the second through pipe 4, the hot air in the square through pipe 3 is guided outwards through the guide block 13, the guided hot air directly acts on the back surface of the limiting rotating plate 11, the limiting rotating plate 11 can be restored to the original state through pushing of the hot air and torsion of the reset torsion spring 10 on the limiting rotating plate 11, the limiting rotating plate 11 restored to the original state can block the hot air, damage of the blower 14 caused by the hot air flowing to the blower 14 in the positioning shell 1 can be effectively avoided, and the service life of the blower 14 is prolonged;

The positioning ring 15 can be detached by rotating the fastening bolts 20, then the dustproof filter screen 19 on the positioning ring 15 is taken down to clean impurities and dust on the dustproof filter screen 19, and the sound generated between the air flow and the dustproof filter screen 19 can be absorbed by the sound absorbing ring 17 and the sound absorbing cotton 18, so that the noise outside the positioning shell 1 can be reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PTC heating protector for new energy automobile, includes location casing (1), its characterized in that: the novel energy automobile is characterized in that a blower (14) is arranged in the positioning shell (1), a first through pipe (2) is fixedly arranged at the output end of the blower (14), a square through pipe (3) is fixedly arranged at one end, far away from the blower (14), of the first through pipe (2), a second through pipe (4) is fixedly arranged at the side end face of the square through pipe (3), a mounting shell (5) is fixedly arranged at one end, far away from the square through pipe (3), of the second through pipe (4), a PTC body (6) is arranged in the mounting shell (5), and a discharge pipe (7) used for blowing hot air into the novel energy automobile is fixedly arranged at the side end face of the mounting shell (5);

And a backflow prevention assembly for preventing the blower (14) from being damaged due to hot air flow in the pipeline is arranged in the square through pipe (3).

2. The PTC heating protection device for a new energy vehicle according to claim 1, wherein: the backflow prevention assembly comprises a mounting hole (8) arranged in the square through pipe (3), a rotating shaft (9) is rotatably arranged in the mounting hole (8), a limiting rotating plate (11) is fixedly arranged at one end, far away from the mounting hole (8), of the rotating shaft (9), a reset torsion spring (10) is fixedly arranged on the rotating shaft (9), and one end, far away from the rotating shaft (9), of the reset torsion spring (10) is fixedly arranged on the inner side surface of the mounting hole (8);

Inside just be in the right side fixed mounting of spacing revolving plate (11) of installation shell (5) has reposition of redundant personnel piece (12), the side terminal surface fixed mounting of reposition of redundant personnel piece (12) has guide block (13), can expand two spacing revolving plates (11) of closed state to both sides through the air current that air-blower (14) produced, thereby can realize the circulation of square siphunculus (3).

3. The PTC heating protection device for a new energy vehicle according to claim 2, wherein: the dust-proof assembly is arranged at the inlet of the positioning shell (1), the dust-proof assembly comprises a positioning ring (15) arranged in the positioning shell (1) through a fastening bolt (20), a mounting ring (16) is fixedly arranged in the positioning ring (15), a sound absorbing ring (17) is fixedly arranged on the inner side surface of the mounting ring (16), and a dust-proof filter screen (19) for intercepting external dust is arranged on the inner side surface of the sound absorbing ring (17).

4. A PTC heating protection device for a new energy vehicle according to claim 3, wherein: the sound absorbing ring (17) is made of a sound absorbing plate.

5. A PTC heating protection device for a new energy vehicle according to claim 3, wherein: the sound absorbing cotton (18) is fixedly arranged on the inner side surface of the sound absorbing ring (17) and on two sides of the dustproof filter screen (19).

6. The PTC heating protection device for a new energy vehicle according to claim 2, wherein: the side surface of the mounting shell (5) is provided with a mounting groove (21).

7. The PTC heating protection device for a new energy vehicle according to claim 2, wherein: the cross-sectional shape of the shunt block (12) is set to be isosceles triangle.

8. The PTC heating protection device for a new energy vehicle according to claim 2, wherein: the number of the limiting rotating plates (11) is two, and the limiting rotating plates are symmetrically arranged.