CN212719931U

CN212719931U - Electric heater convenient to heat dissipation

Info

Publication number: CN212719931U
Application number: CN202021703133.2U
Authority: CN
Inventors: 任学华
Original assignee: Sidia Technology Beijing Co ltd
Current assignee: Sidia Technology Beijing Co ltd
Priority date: 2020-08-15
Filing date: 2020-08-15
Publication date: 2021-03-16
Anticipated expiration: 2030-08-15

Abstract

The application relates to an electric heater convenient for heat dissipation, which comprises a shell, a heating assembly arranged in the shell and a heat dissipation assembly connected with the heating assembly, wherein a sliding assembly for realizing the sliding connection of the heating assembly and the heat dissipation assembly is arranged between the heating assembly and the heat dissipation assembly; the heating assembly comprises an electric heating wire and a heat conduction pipe which is totally enclosed and covers the outside of the electric heating wire, the heat conduction pipe is arranged along the horizontal direction, and a wiring end of the electric heating wire extends out of the heat conduction pipe; the radiating component is located heating element's top, and radiating component includes a plurality of fin, and the fin sets up to the bar piece, and the length direction of fin sets up along vertical direction, and a plurality of fin are parallel to each other, have set firmly down the connecting plate between a plurality of fin, and the connecting plate sets up along heat pipe length direction down. This application has improved the radiating effect of electric heater.

Description

Electric heater convenient to heat dissipation

Technical Field

The application relates to the field of heating equipment, in particular to an electric heater convenient to radiate.

Background

The electric heater is used as a heating device with convenient use, and is widely applied to various civil and public buildings such as houses, offices, hospitals, schools and the like. At present common electric heater includes the casing, has seted up air intake and air outlet on the casing, is provided with a plurality of fin that the heating pipe reaches to be connected with the heating pipe in the casing, and the heating pipe sets up along the horizontal direction, and the fin sets up to the bar, and the length direction of fin is parallel with the length direction of heating pipe, and a plurality of fin are along the outer peripheral face direction evenly distributed of heating pipe, the width direction's of fin one end and the outer peripheral face fixed connection of heating pipe. After the electric heater is used for a long time, dust is easily accumulated at the joint of the radiating fin and the heating pipe, so that the radiating effect is influenced, the local temperature is easily overhigh, the heating pipe is damaged, and the service life of the heating pipe is influenced. In addition, because the plurality of radiating fins are distributed on the circumferential direction of the heating pipe, the circulation and the exchange of air around the heating pipe are not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to improve the electric heater radiating effect, this application provides a radiating electric heater of being convenient for.

The application provides a be convenient for radiating electric heater adopts following technical scheme:

an electric heater convenient for heat dissipation comprises a shell, a heating assembly arranged in the shell and a heat dissipation assembly connected with the heating assembly, wherein a sliding assembly for realizing sliding connection between the heating assembly and the heat dissipation assembly is arranged between the heat dissipation assembly and the heating assembly;

the heating assembly comprises an electric heating wire and a heat conduction pipe which is totally enclosed and covers the outside of the electric heating wire, the heat conduction pipe is arranged along the horizontal direction, and a wiring end of the electric heating wire extends out of the heat conduction pipe;

the heat dissipation assembly is located at the top of the heating assembly and comprises a plurality of heat dissipation fins, the heat dissipation fins are arranged to be strip-shaped fins, the length directions of the heat dissipation fins are arranged in the vertical direction, the heat dissipation fins are parallel to each other and are multiple, a lower connecting plate is fixedly arranged between the heat dissipation fins, and the lower connecting plate is arranged in the length direction of the heat conduction pipes.

By adopting the technical scheme, the radiating fins are strip-shaped, and the length direction of the radiating fins is arranged along the vertical direction, so that dust is not easy to accumulate on the radiating fins, and the radiating fins are favorable for radiating; the heat dissipation assembly is arranged at the top of the heating assembly, so that air on two sides of the heating assembly can circulate conveniently, and heat dissipation is facilitated; the sliding assembly and the driving assembly enable the heat dissipation assembly to reciprocate within a certain range, circulation of air around the heat dissipation assembly is promoted, and heat dissipation is promoted.

Preferably, an upper connecting plate is fixedly arranged among the plurality of radiating fins, and the plurality of radiating fins are distributed on two sides of the lower connecting plate in a staggered manner.

By adopting the technical scheme, the plurality of radiating fins are distributed on the two sides of the lower connecting plate in a staggered manner, so that the heat exchange range between the radiating fins and the ambient air is enlarged, and the radiating of the radiating fins is promoted; the arrangement of the upper connecting plate increases the connecting strength between the radiating fins.

Preferably, the sliding assembly comprises a sliding plate fixedly connected with the lower connecting plate, a fixed sleeve sleeved on the outer peripheral surface of the heat conducting pipe, and two fixed plates which are fixedly arranged on the outer side wall of the fixed sleeve respectively and are abutted to two side walls of the sliding plate, wherein a sliding groove is formed between the fixed plates, a yielding hole communicated with the sliding groove is formed in the side wall of the fixed sleeve, the bottom end of the sliding plate penetrates through the sliding groove, the yielding hole is abutted to the outer side wall of the heat conducting pipe, and the sliding plate, the fixed sleeve and the fixed plates are all arranged along the length direction of the.

Through adopting above-mentioned technical scheme, the sliding connection of radiator unit and heating element has been realized to the setting of fixed sleeve, fixed plate, sliding plate, has strengthened radiator unit's radiating effect.

Preferably, the sliding plate is provided with an S-shaped cross-section.

Through adopting above-mentioned technical scheme, the cross section of sliding plate sets up to the S-shaped, has increased the area of contact between fixed plate and the sliding plate, has strengthened the heat conduction effect between fixed plate and the sliding plate, and then has increased the heat that the heat pipe conducted on radiator unit, has promoted the radiating effect.

Preferably, the heat pipe sets up to be the U-shaped, radiator unit's quantity is two radiator unit sets up along the length direction of heat pipe, two radiator unit parallel arrangement.

Through adopting above-mentioned technical scheme, two radiator unit of parallel arrangement in the horizontal plane have increased the area of contact of air and fin, improve the radiating effect.

Preferably, the driving assembly comprises a U-shaped rod, a driving rack, a gear and a motor, wherein two ends of the U-shaped rod are respectively and fixedly connected with the two sliding plates, the driving rack is fixedly connected with the U-shaped rod, the gear is meshed with the driving rack, the motor realizes positive and negative alternate rotation of the gear, the driving rack moves along the length direction of the sliding plates, a connecting rod is arranged between the motor and the gear, one end of the connecting rod along the length direction of the connecting rod coincides with the axis of the gear, and the connecting rod is fixedly connected with the gear.

Through adopting above-mentioned technical scheme, the motor drives the positive and negative rotation in turn of gear, and the gear drives drive rack reciprocating motion in its ascending certain distance range of length direction, and drive rack passes through U-shaped pole, sliding plate and drives two radiator unit reciprocating motion in its ascending certain distance range of length direction, has promoted the flow of radiator unit surrounding air, has promoted the heat dissipation.

Preferably, the number of the heating wires is two, and the two heating wires are spirally arranged along the length direction of the heat conduction pipe.

Through adopting above-mentioned technical scheme, the heating wire spiral sets up in the heat-conducting pipe, makes the heat-conducting pipe can hold longer distance's heating wire, and the total resistance of heating wire is bigger, and the quantity of heating wire is two, has reduced the temperature that generates heat of unit length heating wire, has prolonged the life of heating wire.

Preferably, the air inlet is located at the bottom of the shell, the air outlet is located at the top of the shell, and the number of the air inlet and the air outlet is multiple.

Through adopting above-mentioned technical scheme, cold air density is big, is close to the air intake to in getting into the casing through the air intake, the air is heated the back in the casing, and density reduces, and hot-air rises, flows out outside the casing from the air outlet, realizes the heating and the circulation of air.

Preferably, the inner side wall of the shell is provided with a protective baffle at the air outlet, and the protective baffle inclines downwards along the air outlet direction.

Through adopting above-mentioned technical scheme, protective baffle has reduced on dust, splash fall heating element, the radiator unit, has played the guard action to heating element and radiator unit.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the radiating fins are strip-shaped, and the length direction of the radiating fins is arranged along the vertical direction, so that dust is not easy to accumulate on the radiating fins, and the radiating fins are favorable for radiating; the heat dissipation assembly is arranged at the top of the heating assembly, so that air on two sides of the heating assembly can circulate conveniently, and heat dissipation is facilitated; the sliding assembly and the driving assembly enable the heat dissipation assembly to reciprocate within a certain range, so that the circulation of air around the heat dissipation assembly is promoted, and the heat dissipation is promoted;

2. the heat conduction pipe is U-shaped, and the two heat dissipation assemblies are arranged in parallel in the same horizontal plane, so that the air circulation sectional area in the same horizontal plane is reduced, and the air circulation speed between the two heat dissipation assemblies is increased for the air with the same volume;

3. the heating wires are spirally arranged in the heat conduction pipe, so that the heating wires with longer distance can be accommodated in the heat conduction pipe, the total resistance of the heating wires is larger, and the number of the heating wires is two, so that the heating temperature of the heating wires in unit length is reduced, and the service life of the heating wires is prolonged;

4. the protective baffle reduces dust and splashed water from falling onto the heating assembly and the radiating assembly, and plays a role in protecting the heating assembly and the radiating assembly.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic view showing the internal structure of the housing.

Fig. 3 is a partial sectional view for showing the heating wire.

Fig. 4 is a schematic view for showing the structure of the heat dissipating module.

Fig. 5 is a sectional view taken in the direction of a-a in fig. 4.

Description of reference numerals: 1. a housing; 11. an air inlet; 12. an air outlet; 13. a protective baffle; 2. a heating assembly; 21. an electric heating wire; 22. a heat conducting pipe; 3. a support; 4. a heat dissipating component; 41. a lower connecting plate; 42. a heat sink; 43. an upper connecting plate; 5. a sliding assembly; 51. a sliding plate; 52. fixing the sleeve; 53. a fixing plate; 54. a chute; 55. a hole of abdication; 6. a drive assembly; 61. a U-shaped rod; 62. a drive rack; 63. a gear; 64. a motor; 65. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses electric heater convenient to heat dissipation, refer to fig. 1 and 2, including casing 1, casing 1 sets up to the cuboid. The bottom wall of the shell 1 is provided with a plurality of strip-shaped air inlets 11. A plurality of air outlets 12 that are the bar are seted up at the top of casing 1 lateral wall, and a plurality of air outlets 12 evenly set up along casing 1's length direction. A plurality of protective baffles 13 are fixedly arranged on the inner side wall of the shell 1 at the air outlet 12, the protective baffles 13 correspond to the air outlets 12 one by one, and the protective baffles 13 incline downwards along the air outlet direction.

Referring to fig. 2 and 3, a heating assembly 2 is arranged inside the casing 1, the heating assembly 2 is located at the bottom of the casing 1, and a support 3 for supporting the heating assembly 2 is fixedly arranged between the heating assembly 2 and the casing 1. The heating assembly 2 includes two heating wires 21, and the two heating wires 21 are arranged in a spiral shape. The two heating wires 21 are externally sleeved with a U-shaped heat pipe 22, and the heat pipe 22 is arranged along the horizontal direction. The two heating wires 21 are arranged along the length direction of the heat conduction pipe 22, the heat conduction pipe 22 is totally enclosed and coated outside the heating wires 21, and the wiring end of the heating wire 21 extends out of the heat conduction pipe 22.

Referring to fig. 4 and 5, two heat dissipation assemblies 4 are disposed on the top of the heating assembly 2, and the two heat dissipation assemblies 4 are disposed in parallel on the top of the heat conductive pipes 22. The heat dissipating component 4 includes a strip-shaped lower connecting plate 41, and a plurality of strip-shaped heat dissipating fins 42 fixedly connected to a top wall of the lower connecting plate 41. The fins 42 are arranged in the vertical direction, the plurality of fins 42 are parallel to each other, and the lower connecting plate 41 is arranged along the longitudinal direction of the heat conductive pipes 22. The longitudinal direction of the heat radiation fins 42 is perpendicular to the longitudinal direction of the lower connection plate 41. The plurality of fins 42 are uniformly distributed in a staggered manner on both sides in the longitudinal direction of the lower connecting plate 41. The top of the plurality of radiating fins 42 is fixedly provided with an upper connecting plate 43, and the upper connecting plate 43 is parallel to the lower connecting plate 41.

Referring to fig. 4 and 5, a sliding assembly 5 is provided between the lower connection plate 41 and the heat conductive pipes 22. The sliding assembly 5 comprises a strip-shaped sliding plate 51 fixedly arranged at the bottom end of the lower connecting plate 41, the length direction of the sliding plate 51 is parallel to the length direction of the lower connecting plate 41, and the cross section of the sliding plate 51 is S-shaped. The outer peripheral surface of the heat conduction pipe 22 is fixedly provided with a fixed sleeve 52, the outer side wall of the fixed sleeve 52 is fixedly provided with two fixed plates 53 which are parallel to each other, a sliding groove 54 is formed between the two fixed plates 53, the side wall of the fixed sleeve 52 is provided with a yielding hole 55 communicated with the sliding groove 54, the bottom end of the sliding plate 51 penetrates through the sliding groove 54 and the yielding hole 55 to be abutted against the outer side wall of the heat conduction pipe 22, and the two side walls of the sliding plate 51 are abutted against the side walls of the two fixed plates.

Referring to fig. 2 and 4, the sliding plate 51 is provided with a driving assembly 6 for enabling the sliding plate 51 to slide along the length direction thereof. The driving assembly 6 comprises a U-shaped rod 61 with two ends respectively fixedly connected with the sliding plates 51 of the two sliding assemblies 5, and a driving rack 62 is fixedly arranged on the outer peripheral surface of the U-shaped rod 61. The longitudinal direction of the driving rack 62 is parallel to the longitudinal direction of the slide plate 51. The driving rack 62 is engaged with a gear 63, the gear 63 is provided with a motor 64, a connecting rod 65 is fixedly arranged between the motor 64 and the gear 63, the axis of the connecting rod 65 is overlapped with the axis of the gear 63, the motor 64 and the connecting rod 65 enable the gear 63 to rotate in a positive and negative alternating mode, and the gear 63 enables the driving rack 62 to move in the length direction of the driving rack, and finally the heat dissipation assembly 4 is moved. The motor 64 is fixedly connected to the inner bottom wall of the housing 1.

The implementation principle of the electric heater convenient for heat dissipation in the embodiment of the application is as follows: the heating wire 21 is operated to convert electric energy into heat, the heat is conducted to the heat radiating fins 42 through the heat conductive pipe 22, the fixed plate 53, the sliding plate 51, and the lower connecting plate 41 in sequence, and the heat radiating fins 42 conduct the heat to the surrounding air.

The cool air is at a lower position near the air inlet 11 due to its high density, and enters the housing 1 through the air inlet 11, and circulates around the heat dissipation fins 42 to be heated. The density of the cold air is reduced after the cold air is changed into hot air, and the hot air circulates upwards and is circulated to the outside of the shell 1 through the air outlet 12.

The arrangement of the sliding assembly 5 and the driving assembly 6 moves the heat dissipating assembly 4 along the length direction of the heat pipe 22, and promotes the circulation of air around the heat dissipating fins 42, thereby further improving the heat dissipating effect of the heat dissipating fins 42. The heat conducting pipe 22 is set to be U-shaped, and the two heat dissipation assemblies 4 are arranged on the top of the heat conducting pipe 22 in parallel, so that the sectional area of an air circulation channel is reduced, the air circulation speed is increased, and the heat dissipation effect of the heat dissipation fins 42 is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an electric heater convenient to heat dissipation which characterized in that: the heat dissipation device comprises a shell (1), a heating assembly (2) arranged in the shell (1) and a heat dissipation assembly (4) connected with the heating assembly (2), wherein a sliding assembly (5) for realizing sliding connection between the heating assembly (2) and the heat dissipation assembly (4) is arranged between the heat dissipation assembly (4), a driving assembly (6) for realizing sliding of the heat dissipation assembly (4) on the heating assembly (2) is arranged on the sliding assembly (5), and an air inlet (11) and an air outlet (12) are formed in the shell (1);

the heating assembly (2) comprises an electric heating wire (21) and a heat conduction pipe (22) which is covered outside the electric heating wire (21) in a totally-enclosed manner, the heat conduction pipe (22) is arranged along the horizontal direction, and a wiring end of the electric heating wire (21) extends out of the heat conduction pipe (22);

radiator unit (4) are located the top of heating element (2), radiator unit (4) include a plurality of fin (42), fin (42) set up to the bar piece, the length direction of fin (42) sets up along vertical direction, and is a plurality of fin (42) are parallel to each other, and are a plurality of lower connecting plate (41) have set firmly between fin (42), heat pipe (22) length direction setting is followed in lower connecting plate (41).

2. The electric heater convenient for heat dissipation of claim 1, wherein: an upper connecting plate (43) is fixedly arranged among the radiating fins (42), and the radiating fins (42) are distributed on two sides of the lower connecting plate (41) in a staggered mode.

3. The electric heater convenient for heat dissipation of claim 1, wherein: sliding assembly (5) establish fixed sleeve (52), two fixed plate (53) that set firmly on fixed sleeve (52) lateral wall and inconsistent with two lateral walls of sliding plate (51) respectively at fixed sleeve (52) outer peripheral face including with lower connecting plate (41) fixed connection's sliding plate (51), cover and form spout (54) between fixed plate (53), the hole of stepping down (55) that is linked together with spout (54) is seted up to fixed sleeve (52) lateral wall, the bottom of sliding plate (51) is passed spout (54), is stepped down hole (55) and heat pipe (22) lateral wall and is inconsistent, sliding plate (51), fixed sleeve (52), fixed plate (53) all set up along heat pipe (22) length direction.

4. The electric heater convenient for heat dissipation of claim 3, wherein: the sliding plate (51) is provided with an S-shaped cross section.

5. The electric heater convenient for heat dissipation of claim 1, wherein: the heat pipe (22) is arranged in a U shape, the number of the heat dissipation assemblies (4) is two, the heat dissipation assemblies (4) are arranged in the length direction of the heat pipe (22), and the heat dissipation assemblies (4) are arranged in parallel.

6. The electric heater convenient for heat dissipation of claim 5, wherein: the driving assembly (6) comprises a U-shaped rod (61) with two ends respectively fixedly connected with the two sliding plates (51), a driving rack (62) fixedly connected with the U-shaped rod (61), a gear (63) meshed with the driving rack (62) and a motor (64) for realizing forward and reverse alternate rotation of the gear (63), wherein the driving rack (62) moves along the length direction of the sliding plates (51), a connecting rod (65) is arranged between the motor (64) and the gear (63), one end of the connecting rod (65) along the length direction is overlapped with the axis of the gear (63), and the connecting rod (65) is fixedly connected with the gear (63).

7. The electric heater convenient for heat dissipation of claim 1, wherein: the number of the heating wires (21) is two, and the two heating wires (21) are spirally arranged along the length direction of the heat conduction pipe (22).

8. The electric heater convenient for heat dissipation of claim 1, wherein: the air inlet (11) is located at the bottom of the shell (1), the air outlet (12) is located at the top of the shell (1), and the number of the air inlets (11) and the number of the air outlets (12) are multiple.

9. The electric heater convenient for heat dissipation of claim 1, wherein: the inner side wall of the shell (1) is provided with a protective baffle (13) at the air outlet (12), and the protective baffle (13) inclines downwards along the air outlet direction.