CN220865163U

CN220865163U - Novel PTC electric heating driver warmer

Info

Publication number: CN220865163U
Application number: CN202322872962.3U
Authority: CN
Inventors: 范建建; 马相银; 鲁国江
Original assignee: Hebei Hongye Yongsheng Vehicle Heater Co ltd
Current assignee: Hebei Hongye Yongsheng Vehicle Heater Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-04-30
Anticipated expiration: 2033-10-25

Abstract

The utility model relates to the technical field of heating equipment, and provides a novel PTC electric heating driver warmer, which comprises a substrate, a PTC heating body arranged on the substrate, a high-voltage relay, a first temperature sensor and a second temperature sensor, wherein the high-voltage relay is arranged on the substrate, the first temperature sensor is arranged on the outer surface of the PTC heating body and is connected in series on a low-voltage loop of the high-voltage relay, and the second temperature sensor is arranged on the outer surface of the PTC heating body and is positioned on one side of the first temperature sensor; through the technical scheme, the problem that the seat of a driver and passengers is damaged by heating when the heating temperature of the PTC electric heating driver warmer is too high in the related art is solved.

Description

Novel PTC electric heating driver warmer

Technical Field

The utility model relates to the technical field of heating equipment, in particular to a novel PTC electric heating driver warmer.

Background

The PTC electric heater is a rapid heating device, and is a common component for heating a driver in the field of new energy electric automobiles; the heat generated by the PTC chip inside the PTC electric heater is conveyed to a working area of a driver, and particularly in a low-temperature environment, the heat is brought into a cab through the heater, so that the comfort level of the driving environment of the driver is improved. The existing common PTC electric heating driver warmer is large in size and too heavy, working noise greatly influences the experience of drivers and passengers, meanwhile, the electric heater is located below a driver seat, once the temperature is too high, the seat is extremely easy to be damaged by heat, fire hazards can occur when the temperature is severe, and therefore improvement and optimization of the prior art are needed, and the safety of the PTC electric heating driver warmer is improved.

Disclosure of utility model

The utility model provides a novel PTC electric heating driver warmer, which solves the problem that seats of drivers and passengers are damaged by heating when the heating temperature of the PTC electric heating driver warmer is too high in the related art.

The technical scheme of the utility model is as follows:

The utility model provides a novel PTC electrical heating driver room heater, is in including base plate and setting PTC heat-generating body on the base plate still includes high-voltage relay, first temperature sensor and second temperature sensor, high-voltage relay sets up on the base plate, first temperature sensor sets up on the surface of PTC heat-generating body and establish ties on high-voltage relay's the low-voltage circuit, second temperature sensor sets up on the surface of PTC heat-generating body and be located one side of first temperature sensor.

As a further technical scheme, the solar energy heat collector further comprises an air conveying unit, wherein the air conveying unit comprises a supporting frame and fans, the supporting frame is arranged on the base plate and located on one side of the PTC heating element, the fans are arranged on the supporting frame, and the number of the fans is a plurality of.

As a further technical scheme, the PTC heating element comprises a guiding unit, the guiding unit comprises a front plate and a rear plate, the front plate and the rear plate are both arranged on the base plate, the front plate and the rear plate are respectively positioned on two sides of the PTC heating element, an air inlet is formed in the front plate, an air outlet is formed in the rear plate, and the fan is positioned between the front plate and the PTC heating element.

As a further technical scheme, the solar heat collector comprises side plates and cover plates, wherein the number of the side plates is two, the two side plates are respectively arranged on two opposite sides of the base plate, the two opposite sides of the side plates are respectively fixedly connected with the front plate and the rear plate, one side, away from the base plate, of the side plates is provided with the cover plates, the two opposite sides of the cover plates are respectively fixedly connected with the front plate and the rear plate, the support frame is arranged on the side plates, a heating body fixing frame is arranged on the side plates, the PTC heating body is arranged on the heating body fixing frame, and the high-voltage relay is arranged on the heating body fixing frame.

As a further technical scheme, the novel fan filter comprises a filter layer, wherein the filter layer is arranged on one side, far away from the fan, of the front plate, and a plurality of filter holes are formed in the filter layer.

As a further technical scheme, the novel filter comprises a rolling unit, the rolling unit comprises a first rotating shaft, a second rotating shaft and a traction rope, the first rotating shaft and the second rotating shaft are all rotatably arranged on the front plate, the first rotating shaft and the second rotating shaft are both positioned on one side, far away from the front plate, of the filter layer, one end of the filter layer is fixedly connected with the second rotating shaft, the other end of the traction rope is fixedly connected with the filter layer, and a part of the middle of the traction rope is wound and arranged on the first rotating shaft.

As a further technical scheme, the traction rope comprises a push-pull rod, wherein the push-pull rod is arranged on one side, far away from the front plate, of the traction rope, and the push-pull rod is positioned in the middle of the traction rope.

As a further technical scheme, the device further comprises a driving machine and a driving wheel, wherein the driving machine is arranged on the front plate, the driving wheel is arranged on the first rotating shaft, and a driving belt is arranged between an output shaft of the driving machine and the driving wheel.

As a further technical scheme, the filter comprises a collecting box, wherein the collecting box is arranged on the front plate, a collecting opening is formed in the collecting box, and the collecting opening is located below the filter layer.

The working principle and the beneficial effects of the utility model are as follows:

The utility model provides a novel PTC electric heating driver warmer, which specifically comprises a substrate, a PTC heating element, a high-voltage relay, a first temperature sensor and a second temperature sensor; wherein the first temperature sensor is a normally closed temperature switch at 90 ℃, and the second temperature sensor is a normally open temperature switch at 150 ℃; when the automobile seat is in operation, the PTC heating element is powered on to generate heat, and the generated heat is emitted to the driver seat to provide a comfortable temperature environment for drivers and passengers; along with the continuous heating of the PTC heating element, the temperature of the outer surface of the PTC heating element gradually rises, when the surface temperature of the PTC heating element reaches 90 ℃, a first temperature sensor connected in series in a low-voltage loop of the high-voltage relay is triggered, and the first temperature sensor is automatically disconnected to cut off the high-voltage loop, so that potential safety hazards caused by overheat of the PTC heating element are avoided. When the first temperature sensor fails, the second temperature sensor can be triggered when the surface temperature of the PTC heating element reaches 150 ℃ along with continuous electrifying and heat dissipation of the PTC heating element, the second temperature sensor is closed and transmits an electric signal to an instrument desk electrically connected with the outside, buzzing alarm is carried out, drivers and passengers are reminded of carrying out maintenance treatment on the pedestrians, and safety accidents are avoided.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

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

FIG. 2 is a schematic view of the structure of the second angle inside the present utility model;

FIG. 3 is a schematic view of the overall structure of the present utility model;

FIG. 4 is a schematic view showing the structure of the PTC heating element of the present utility model;

FIG. 5 is a schematic view of the structure of the junction of the front panel and the filter layer of the present utility model;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a partial enlarged view at B in FIG. 5;

FIG. 8 is a schematic view of the structure of the front plate of the present utility model;

In the figure: 1. the solar heat collector comprises a substrate, 2, a PTC heating element, 3, a high-voltage relay, 4, a first temperature sensor, 5, a second temperature sensor, 6, a supporting frame, 7, a fan, 8, a front plate, 9, a rear plate, 10, an air inlet, 11, an air outlet, 12, a side plate, 13, a cover plate, 14, a filter layer, 15, a first rotating shaft, 16, a second rotating shaft, 17, a traction rope, 18, a push-pull rod, 19, a driving machine, 20, a driving wheel, 21, a driving belt, 22, a collecting box, 23 and a heating element fixing frame.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.

As shown in fig. 1 to 8, the embodiment provides a novel PTC electric heating driver warmer;

The utility model provides a novel PTC electrical heating driver room heater, includes base plate 1 and the PTC heat-generating body 2 of setting on base plate 1, still includes high-voltage relay 3, first temperature sensor 4 and second temperature sensor 5, and high-voltage relay 3 sets up on base plate 1, and first temperature sensor 4 sets up on the surface of PTC heat-generating body 2 and establish ties on high-voltage relay 3's low-voltage circuit, and second temperature sensor 5 sets up on the surface of PTC heat-generating body 2 and is located one side of first temperature sensor 4.

In this embodiment, as shown in fig. 1 to 4, a novel PTC electric heating driver warmer is provided, which specifically includes a substrate 1, a PTC heater 2, a high-voltage relay 3, a first temperature sensor 4 and a second temperature sensor 5; wherein the first temperature sensor 4 is a normally closed temperature switch at 90 ℃, and the second temperature sensor 5 is a normally open temperature switch at 150 ℃; when the automobile seat is in operation, power is supplied to the PTC heating element 2, heat is generated after the PTC heating element 2 is electrified, and the generated heat is dissipated to the seat of a driver and provides a comfortable temperature environment for drivers and passengers; along with the continuous heating of the PTC heating element 2, the temperature of the outer surface of the PTC heating element 2 gradually rises, when the surface temperature of the PTC heating element 2 reaches 90 ℃, a first temperature sensor 4 connected in a low-voltage loop of the high-voltage relay 3 in series is triggered, and the first temperature sensor 4 is automatically disconnected to cut off the high-voltage loop, so that potential safety hazards caused by overheating of the PTC heating element 2 are avoided. When the first temperature sensor 4 fails, along with continuous power-on heat dissipation of the PTC heating element 2, when the surface temperature of the PTC heating element 2 reaches 150 ℃, the second temperature sensor 5 can be triggered, the second temperature sensor 5 is closed and transmits an electric signal to an instrument desk electrically connected with the outside, buzzing alarm is carried out, drivers and passengers are reminded to carry out maintenance treatment on pedestrians, and safety accidents are avoided.

Further, the air conveying unit comprises a supporting frame 6 and a fan 7, wherein the supporting frame 6 is arranged on the base plate 1 and located on one side of the PTC heating body 2, the fan 7 is arranged on the supporting frame 6, and the number of the fans 7 is a plurality.

In the embodiment, as shown in fig. 1-2, an air conveying unit is added, and the specific air conveying unit comprises a support frame 6 and a fan 7; the fan 7 adopts a brushless axial flow fan with soft start, stable operation and low noise in the prior art; when in operation, the fan 7 is driven by external electric power; starting a fan 7, sucking low-temperature gas from the outer side of the warmer by means of the air supply function of the fan 7, and conveying the low-temperature gas to the PTC heating element 2; the heat emitted by the PTC heating element 2 after being electrified can be transferred to the surrounding air, the temperature of the low-temperature air blown by the fan 7 starts to rise by the aid of the heat emitted by the PTC heating element 2 after being electrified, the temperature of the low-temperature air is changed into high-temperature air after being increased, and the high-temperature air is continuously pushed and conveyed into a cab by the aid of wind power generated by the fan 7, so that a comfortable temperature environment is provided for drivers and passengers. Meanwhile, after the high-temperature air with the temperature around the PTC heating element 2 being increased is sent away by the fan 7, new low-temperature air is supplemented to the PTC heating element 2 for heating again, so that the circulating heating is realized, and the consistency of the ambient temperature is maintained.

Further, the PTC heater further comprises a guiding unit, the guiding unit comprises a front plate 8 and a rear plate 9, the front plate 8 and the rear plate 9 are arranged on the base plate 1, the front plate 8 and the rear plate 9 are respectively located at two sides of the PTC heater 2, an air inlet 10 is formed in the front plate 8, an air outlet 11 is formed in the rear plate 9, and the fan 7 is located between the front plate 8 and the PTC heater 2.

Further, the solar heat collector comprises side plates 12 and cover plates 13, the number of the side plates 12 is two, the two opposite sides of the side plates 12 are respectively arranged on two opposite sides of the base plate 1, the two opposite sides of the side plates 12 are respectively fixedly connected with the front plate 8 and the rear plate 9, one side, far away from the base plate 1, of the side plates 12 is provided with the cover plates 13, the two opposite sides of the cover plates 13 are respectively fixedly connected with the front plate 8 and the rear plate 9, the supporting frame 6 is arranged on the side plates 12, the side plates 12 are provided with heating element fixing frames 23, the PTC heating elements 2 are arranged on the heating element fixing frames 23, and the high-voltage relay 3 is arranged on the heating element fixing frames 23.

In this embodiment, as shown in fig. 1 to 4, a guiding unit, a side plate 12 and a cover plate 13 are added, and the specific guiding unit includes a front plate 8 and a rear plate 9, where the front plate 8, the rear plate 9, the two side plates 12, the base plate 1 and the cover plate 13 integrally form a square housing, the front plate 8 and the rear plate 9 are all connected with the two side plates 12 and the base plate 1 by welding, the cover plate 13 is connected with the front plate 8 and the rear plate 9 by screws, and the PTC heater 2 and the fan 7 are protected by means of the formed square housing, and meanwhile, touch with external personnel or objects can be avoided, and equipment damage or scald accidents can be caused; the front plate 8, the rear plate 9, the two side plates 12, the base plate 1 and the cover plate 13 are subjected to corrosion prevention treatment, so that the overall corrosion prevention capability is improved; when the fan 7 is started, external low-temperature air enters the square shell through the air inlet 10 on the front plate 8 under the action of the fan 7, heat exchange occurs when the low-temperature air passes through the periphery of the PTC heating body 2, the temperature rises, the low-temperature air becomes high-temperature air, then under the continuous air conveying action of the fan 7, high-temperature air is discharged out of the warmer through the air outlet 11 on the rear plate 9 and conveyed into the cab, and the consistency of the air flowing direction is ensured by the aid of the guide unit.

Further, the air conditioner further comprises a filter layer 14, wherein the filter layer 14 is arranged on one side, far away from the fan 7, of the front plate 8, and a plurality of filter holes are formed in the filter layer 14.

Further, still include the roll-up unit, the roll-up unit includes first pivot 15, second pivot 16 and haulage rope 17, and first pivot 15 and second pivot 16 all rotate and set up on front bezel 8, and first pivot 15 and second pivot 16 all are located the one side of keeping away from front bezel 8 on the filter layer 14, and the one end and the second pivot 16 of filter layer 14 link firmly, and the other end and the filter layer 14 of haulage rope 17 link firmly, and the winding of a part in the middle of the haulage rope 17 is set up on first pivot 15.

In this embodiment, as shown in fig. 5 to 8, a filter layer 14 and a rolling unit are added, and the rolling unit includes a first rotating shaft 15, a second rotating shaft 16 and a traction rope 17; when the filter layer 14 does not work, the filter layer 14 is wound on the second rotating shaft 16 layer by layer, and the filter layer 14 does not form shielding at the air inlet 10 of the front plate 8; two end points of the traction rope 17 are respectively an A point and a B point, wherein the A point is connected with the filter layer 14, and the B point is connected with the second rotating shaft 16; at this time, the point A is located at one side close to the second rotating shaft 16; when the PTC heating element 2 works, the first rotating shaft 15 is rotated, the first rotating shaft 15 drives the traction rope 17 to wind on the first rotating shaft 15 when rotating, the traction rope 17 moves towards the direction close to the first rotating shaft 15 along with the point A, the point A moves towards the direction close to the first rotating shaft 15 along with the side edge of the filter layer 14, the filter layer 14 wound on the second rotating shaft 16 is gradually released along with the movement of the filter layer 14, and the second rotating shaft 16 synchronously rotates; with the movement of the filter layer 14, stopping the rotation of the first rotating shaft 15 until the point A moves to the first rotating shaft 15; while the point A moves, the point B rotates on the second rotating shaft 16, and a traction rope 17 between the first rotating shaft 15 and the second rotating shaft 16 is wound on the second rotating shaft 16; the traction rope 17 on the first rotating shaft 15 is continuously wound on the first rotating shaft 15 at one side close to the point A, and one side close to the point B is gradually released from the first rotating shaft 15, so that smooth winding and storage of the traction rope 17 on the second rotating shaft 16 are ensured; when the first rotating shaft 15 stops rotating, the filter layer 14 spreads out between the first rotating shaft 15 and the second rotating shaft 16, and forms a filter shielding for the air inlet 10 on the front plate 8, so that impurities such as paper scraps and fluff are prevented from entering the warmer to contact with the PTC heating body 2, and potential safety hazards are further caused. When the gas filtration is not needed, the first rotating shaft 15 can be reversely rotated, at the moment, the traction rope 17 on the first rotating shaft 15 is gradually released at one side close to the point A, and one side close to the point B is gradually wound on the first rotating shaft 15; with the traction rope 17 between the first rotating shaft 15 and the second rotating shaft 16 gradually winding onto the first rotating shaft 15, the second rotating shaft 16 is reversed under the pulling of the traction rope 17, the traction rope 17 wound on the second rotating shaft 16 is released, with the rotation of the second rotating shaft 16, the filter layer 14 gradually winds onto the second rotating shaft 16 until the point A and the point B are restored to the initial positions, then the rotation of the first rotating shaft 15 is stopped, and at this time, the storage operation of the filter layer 14 is completed. A group of traction ropes 17 are respectively arranged on the upper side and the lower side of the filter layer 14, and the smooth operation of the expansion and the storage of the filter layer 14 is ensured by the synchronous operation of the upper traction rope 17 and the lower traction rope 17.

Further, the traction rope comprises a push-pull rod 18, the push-pull rod 18 is arranged on one side, far away from the front plate 8, of the traction rope 17, and the push-pull rod 18 is located in the middle of the traction rope 17.

In this embodiment, as shown in fig. 5 to 8, a push-pull rod 18 is added to the traction rope 17, and by means of the push-pull rod 18, the winding and releasing speed and length of the traction rope 17 can be manually adjusted, so as to adjust the spreading size, area and speed of the filter layer 14.

Further, the device also comprises a driving machine 19 and a driving wheel 20, wherein the driving machine 19 is arranged on the front plate 8, the driving wheel 20 is arranged on the first rotating shaft 15, and a driving belt 21 is arranged between an output shaft of the driving machine 19 and the driving wheel 20.

In this embodiment, as shown in fig. 5 to 8, a driving machine 19, a driving belt 21 and a driving wheel 20 are added, when the filter layer 14 is needed, the driving machine 19 is started, the driving machine 19 is an electric driving motor in the prior art, and the driving machine 19 is electrically connected with an external instrument desk; after the driver 19 is started, the driving belt 21 is driven, the driving belt 21 drives the driving wheel 20 to rotate, the driving wheel 20 drives the first rotating shaft 15 to rotate, and the first rotating shaft 15 rotates to drive the filter layer 14 to spread; on the contrary, the driving machine 19 reversely rotates, the driving belt 21 and the driving wheel 20 drive the first rotating shaft 15 to reversely rotate, the winding and the storage of the filter layer 14 are realized, the automatic spreading and the storage are realized by means of the driving machine 19, the driving belt 21 and the driving wheel 20, and the manual adjustment operation is reduced.

Further, the filter comprises a collecting box 22, wherein the collecting box 22 is arranged on the front plate 8, a collecting opening is formed in the collecting box 22, and the collecting opening is positioned below the filter layer 14.

In this embodiment, as shown in fig. 5 to 8, a collecting box 22 is added, along with the spreading of the filter layer 14 and the running of the fan 7, some impurities such as broken paper scraps and fluff are intercepted on the filter layer 14, and after the fan 7 stops running, under the action of gravity, the impurities gradually slide into the collecting box 22, so as to complete the collecting operation of the impurities and avoid the impurities from falling to other places.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a novel PTC electrical heating driver room heater, is in including base plate (1) and setting PTC heat-generating body (2) on base plate (1), its characterized in that still includes high-voltage relay (3), first temperature sensor (4) and second temperature sensor (5), high-voltage relay (3) set up on base plate (1), first temperature sensor (4) set up on the surface of PTC heat-generating body (2) and establish ties on the low-voltage circuit of high-voltage relay (3), second temperature sensor (5) set up on the surface of PTC heat-generating body (2) and be located one side of first temperature sensor (4).

2. The novel PTC electric heating driver warmer according to claim 1, further comprising an air conveying unit, wherein the air conveying unit comprises a supporting frame (6) and a fan (7), the supporting frame (6) is arranged on the base plate (1) and located on one side of the PTC heating body (2), the fan (7) is arranged on the supporting frame (6), and the number of the fans (7) is a plurality.

3. The novel PTC electric heating driver warmer according to claim 2, further comprising a guiding unit, wherein the guiding unit comprises a front plate (8) and a rear plate (9), the front plate (8) and the rear plate (9) are both arranged on the base plate (1), the front plate (8) and the rear plate (9) are respectively arranged on two sides of the PTC heating body (2), an air inlet (10) is formed in the front plate (8), an air outlet (11) is formed in the rear plate (9), and the fan (7) is arranged between the front plate (8) and the PTC heating body (2).

4. The novel PTC electric heating driver warmer according to claim 3, further comprising side plates (12) and cover plates (13), wherein the number of the side plates (12) is two, the two opposite sides of the side plates (12) are respectively arranged on the base plate (1), the two opposite sides of the side plates (12) are respectively fixedly connected with the front plate (8) and the rear plate (9), one side of the side plates (12) away from the base plate (1) is provided with the cover plates (13), the two opposite sides of the cover plates (13) are respectively fixedly connected with the front plate (8) and the rear plate (9), the supporting frame (6) is arranged on the side plates (12), the side plates (12) are provided with heating element fixing frames (23), the PTC heating elements (2) are arranged on the heating element fixing frames (23), and the high-voltage relay (3) is arranged on the heating element fixing frames (23).

5. A novel PTC electric heating driver warmer as claimed in claim 3, further comprising a filter layer (14), wherein the filter layer (14) is disposed on the front plate (8) at a side far away from the fan (7), and a plurality of filter holes are formed in the filter layer (14).

6. The novel PTC electric heating driver warmer according to claim 5, further comprising a winding unit, wherein the winding unit comprises a first rotating shaft (15), a second rotating shaft (16) and a traction rope (17), the first rotating shaft (15) and the second rotating shaft (16) are both rotatably arranged on the front plate (8), the first rotating shaft (15) and the second rotating shaft (16) are both positioned on one side, away from the front plate (8), of the filter layer (14), one end of the filter layer (14) is fixedly connected with the second rotating shaft (16), the other end of the traction rope (17) is fixedly connected with the filter layer (14), and a part of the middle of the traction rope (17) is wound on the first rotating shaft (15).

7. The novel PTC electric heating driver warmer according to claim 6, further comprising a push-pull rod (18), wherein the push-pull rod (18) is arranged on one side, away from the front plate (8), of the traction rope (17), and the push-pull rod (18) is located at the middle position of the traction rope (17).

8. A novel PTC electric heating driver warmer as claimed in claim 6, further comprising a driving machine (19) and a driving wheel (20), wherein the driving machine (19) is arranged on the front plate (8), the driving wheel (20) is arranged on the first rotating shaft (15), and a driving belt (21) is arranged between an output shaft of the driving machine (19) and the driving wheel (20).

9. The novel PTC electric heating driver warmer of claim 5, further comprising a collecting box (22), wherein the collecting box (22) is disposed on the front plate (8), and a collecting opening is formed in the collecting box (22), and the collecting opening is located below the filter layer (14).