CN210663361U

CN210663361U - Fan making mechanism of fan heater

Info

Publication number: CN210663361U
Application number: CN201921063482.XU
Authority: CN
Inventors: 徐显顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-06-02
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a system fan constructs of electric fan heater, including the electric fan heater organism, the electric fan heater organism divide into preceding organism and back organism, be formed with the air outlet on the preceding organism, form the air intake on the back organism in the electric fan heater organism, be equipped with system fan and construct, it is further, system fan constructs including the air exhauster, wind channel and heater, the mount is equipped with on the wind channel, is equipped with at least one cowling panel on the mount, and the cowling panel is connected on the inner wall in wind channel, the cowling panel is a blade that has curved surface to the cowling panel is towards a lopsidedness, the air exhauster is installed on the mount, wind channel air outlet department still is equipped with the heater. The utility model discloses a system wind mechanism sets up the cowling panel through inside, carries out the rectification and stabilizes to the inside air current in wind channel according to the coanda effect of its production for the heater can effectual cooling, has protected the heater, has improved the reliability and the durability of product.

Description

Fan making mechanism of fan heater

Technical Field

The utility model belongs to the technical field of daily electronic heating product and specifically relates to a fan heater.

Background

The warm air blower is a heating device capable of delivering warm air, and the maximum temperature of the warm air blower is 40 ℃ under the normal condition. The warm air blower consists of ventilator, motor and heat radiator, and includes three parts of heating, blowing, temperature and blowing control and protection. The working principle is that the air heater dissipates heat, and then the fan sends out the heat, so that the indoor air temperature is adjusted. The fan heater can be divided into a household fan heater and an industrial fan heater according to the using place, and a radiation type fan heater and a hot air type fan heater can be used according to the heat output mode.

The existing fan heater mainly works through the exhaust fan, air is pumped into the air channel through the exhaust fan, the air enters the heater to be heated and then is blown out, but the problem that the heater is not uniformly heated can be generally solved due to the existing designed air channel, when the heater is used for heating, the temperature can be continuously increased, but the heater is not sufficiently cooled due to the uneven wind, and the heating sheet is melted due to the overhigh temperature.

Disclosure of Invention

The utility model provides a to above-mentioned problem, provide a structure that carries out the rectification through the wind to the air exhauster suction, realize that the inside air of mechanism of making wind flows stable even for the heater can not cool off the inequality.

The purpose of the invention is realized as follows:

the utility model provides a system fan constructs of electric fan heater, includes the electric fan heater organism, and the electric fan heater organism divide into preceding organism and back organism, be formed with the air outlet on the preceding organism, form the air intake on the back organism in the electric fan heater organism, be equipped with system fan and construct, it is further, system fan constructs including the air exhauster, wind channel and heater, the mount is equipped with on the wind channel, is equipped with at least one cowling panel on the mount, and the cowling panel is connected on the inner wall in wind channel, the cowling panel is a blade that has arc curved surface to the cowling panel inclines towards one side, the air exhauster is installed on the mount, wind channel air outlet department still is equipped with the heater;

when the exhaust fan works, the air enters the air channel through the exhaust fan, passes through the rectifying plate, enters the heater to be heated and then is blown out.

Further, the quantity of cowling panel is two to two cowling panels are located the upper and lower both ends of mount respectively, and wherein lie in the cowling panel of upper end opposite with the direction that the cowling panel slope that lies in the lower extreme.

Furthermore, one end of the rectifying plate is spliced on one side of the fixing frame to form a plane, and the other end of the rectifying plate extends out of the fixing frame.

Further, the fixing frame is of a bridge-type structure.

Further, the fixing frame center is provided with a motor fixing groove, the exhaust fan is provided with a positioning boss, and the positioning boss is matched and fixed with the motor fixing groove.

Furthermore, a protective plate is arranged on the outer side of the heater and connected with the outer side of the air duct, and the heater is clamped in the protective plate.

Furthermore, a temperature sensor is arranged on the heater.

Furthermore, a groove is formed in the air inlet of the air duct, a positioning step is arranged on the fixing frame, and the fixing frame is installed and fixed through the matching of the positioning step and the groove.

Furthermore, the air outlet side of the air duct is in a flat rectangular shape, the air inlet side of the air duct is in a circular shape to form a flat-mouth cylindrical shape, and a slope matched with the shape of the outer side of the air duct is arranged on the inner side of the air duct.

Furthermore, a positioning column is arranged on the outer side of the air duct, a round hole is formed in the center of the positioning column, and a positioning block matched with the positioning column is formed on the fan heater body.

The utility model discloses the beneficial effect who reaches is: the utility model relates to a system wind mechanism of electric fan heater, it is through setting up the cowling panel in the wind channel in system wind mechanism, stabilizes the air flow in the wind channel, evenly blows on the heater through stable air for the heater can not lead to the inside heating piece to melt the damage because of the cooling inequality when work, has effectively protected the product, has strengthened its durability, stability.

Drawings

Fig. 1 is a schematic view of a fan heater.

Fig. 2 is an exploded view of the fan heater.

Fig. 3 is an exploded view of the blower mechanism.

FIG. 4 is a schematic view of the air flow in the duct with the rectifying plate.

FIG. 5 is a schematic view of the flow of air in an air duct without a flow straightener.

FIG. 6 is a schematic view of a fixing frame and a rectifying plate.

1-warm air blower body, 11-air outlet, 12-air inlet, 2-air making mechanism, 21-heater, 211-temperature sensor, 22-air channel, 23-fixing frame, 231-rectifying plate, 24-motor, 25-fan and 3-protecting plate.

Detailed Description

The invention will be further described in the following with reference to the accompanying drawings in which specific embodiments are shown.

Please refer to fig. 1, fig. 2, fig. 3, and fig. 4, which illustrate a blower mechanism of a blower fan, wherein the blower fan 1 is divided into a front body and a rear body, the front body is formed with an air outlet 11, the rear body is formed with an air inlet 12, the blower fan 1 is provided with the blower mechanism 2, further, the blower mechanism 2 includes an exhaust fan, an air duct 22 and a heater 21, the air duct 22 is provided with a fixing frame 23, the fixing frame 23 is provided with at least one rectifying plate 231 connected to an inner wall of the air duct 22, the rectifying plate 231 is a blade having an arc curved surface, the rectifying plate 231 is inclined toward one side, when the air flows through the rectifying plate 231, a coanda effect is generated to change the air flow inside the air duct, the exhaust fan is mounted on the fixing frame 23, the air outlet of the air duct 22 is further provided with the heater 21, and passes through an air outlet and an air inlet at two ends of the air duct 22, referring to fig. 4 and 5, because the exhaust fan has a large volume, when the exhaust fan works, a cavity is formed right behind the motor of the exhaust fan, and the air flow is relatively small, which causes the air pressure in the air duct to be unbalanced, when the rectifying plate is added, the air can flow through the cavity to balance the air pressure in the air duct, and when the air flows through the heater, the air can take away the heat emitted from the heater 21 to generate hot air, and at the same time, the heater 21 can be assisted to cool.

Referring to fig. 6, the number of the rectifying plates 231 is two, and the two rectifying plates 231 are respectively located at the upper end and the lower end of the fixing frame 23, wherein the direction of the inclination of the rectifying plate 231 located at the upper end is opposite to that of the rectifying plate 231 located at the lower end, and the rectifying plates 231 are respectively located at the upper end and the lower end, and the directions of the rectifying plates 231 are opposite to each other, so as to increase the stability of the air pressure of the air flow in the air duct 22.

Further, one end of the rectifying plate 231 is spliced on one side of the fixing frame 23 to form a plane, and the other end extends out of the fixing frame 23, so as to provide a longer guiding path and increase the stability of the internal air flow.

Further, the fixing frame 23 is a bridge structure, and the general bridge structure improves the rigidity of the component.

Further, mount 23 center is equipped with the motor fixed slot, be equipped with the location boss on the air exhauster, the location boss cooperatees fixedly with the motor fixed slot, because of mount 23 dress in wind channel 22, establish the air exhauster at mount 23 center, just in time establish the center in wind channel 22, can produce the biggest convulsions effect, and can not lead to the air to lead to the air distribution inequality because of fan 25 off-centre at the suction-type.

Further, the outer side of the heater 21 is provided with a protection plate 3, the protection plate 3 is connected with the outer side of the air duct 22, the heater 21 is clamped in the protection plate 3, the heater 21 cannot easily fall off from the air duct 22 due to the arrangement of the protection plate 3, and the whole air-blowing mechanism 2 can be protected to prevent damage.

Further, the heater 21 is provided with the temperature sensor 211, and the temperature sensor 211 can transmit temperature data in real time, so that the temperature can be conveniently regulated.

Further, the air inlet of the air duct 22 is provided with a groove, the fixing frame 23 is provided with a positioning step, the fixing frame 23 is fixedly installed through the matching of the positioning step and the groove, the positioning groove and the positioning step are convenient to match the fixing frame 23 and the exhaust fan, and the smaller positioning surface is arranged to increase the positioning precision.

Further, wind channel 22 wind outlet side is flat mouthful rectangle, and wind inlet side is circular, forms the flat mouth conical shape, is equipped with the slope of fitting mutually with the outside shape in wind channel 22 inboard, sets wind channel 22 into the flat mouth conical shape, and the air outlet is circular multiplicable air intake, sets up the flat mouth with the air outlet and can be with the more concentrated of wind guide.

Furthermore, a positioning column is arranged on the outer side of the air duct 22, a round hole is formed in the center of the positioning column, a positioning block matched with the positioning column is formed on the fan heater body 1, and the air duct 22 can be fixed on the body 1 through the matching of the positioning column on the air duct 22 and the positioning column on the body.

The above embodiments are only preferred embodiments of the present invention, and do not limit the scope of the present invention, and any structural changes made under the teaching of the present invention shall be understood as falling within the scope of the present invention.

Claims

1. A fan making mechanism of a fan heater comprises a fan heater body (1), wherein the fan heater body (1) is divided into a front body and a rear body, an air outlet (11) is formed on the front machine body, an air inlet (12) is formed on the rear machine body, a wind making mechanism (2) is arranged in the warm air blower machine body (1), it is characterized in that the air producing mechanism (2) comprises an exhaust fan, an air duct (22) and a heater (21), a fixing frame (23) is arranged on the air duct (22), at least one rectifying plate (231) is arranged on the fixed mount (23), the rectifying plate (231) is connected on the inner wall of the air duct (22), the rectifying plate (231) is a blade with an arc-shaped curved surface, the rectifying plate (231) inclines towards one side, the exhaust fan is arranged on the fixed frame (23), and the heater (21) is also arranged at the air outlet of the air duct (22);

when the exhaust fan works, outside air enters the air channel (22) through the exhaust fan, passes through the rectifying plate (231), enters the heater (21) to be heated and is blown out.

2. The air-producing mechanism of the warm-air drier according to claim 1, wherein the number of the rectifying plates (231) is two, and the two rectifying plates (231) are respectively located at the upper and lower ends of the fixing frame (23), wherein the direction of inclination of the rectifying plate (231) located at the upper end is opposite to that of the rectifying plate (231) located at the lower end.

3. The wind-making mechanism of the warm-air drier according to claim 1 or 2, wherein one end of the rectifying plate (231) is spliced on one side of the fixing frame (23) to form a plane, and the other end extends out of the fixing frame (23).

4. The wind-producing mechanism of a warm-air blower according to claim 1, characterized in that the holder (23) is of bridge-type construction.

5. The air-producing mechanism of the warm-air drier according to claim 1, wherein the center of the fixing frame (23) is provided with a motor fixing groove, the exhaust fan is provided with a positioning boss, and the positioning boss is matched and fixed with the motor fixing groove.

6. The wind-making mechanism of the warm-air drier according to claim 1, characterized in that a protective plate (3) is arranged outside the heater (21), and the protective plate (3) is connected with the outside of the wind channel (22) to clamp the heater (21) therein.

7. The wind-making mechanism of the warm-air drier according to claim 1, characterized in that the heater (21) is provided with a temperature sensor (211).

8. The air making mechanism of the warm air blower according to the claim 1 is characterized in that a groove is formed at the air inlet of the air duct (22), a positioning step is arranged on the fixing frame (23), and the fixing frame (23) is installed and fixed through the matching of the positioning step and the groove.

9. The air making mechanism of the warm-air drier according to claim 8, wherein the air outlet side of the air duct (22) is rectangular with a flat mouth, the air inlet side is circular to form a cylindrical shape with a flat mouth, and the inner side of the air duct (22) is provided with a slope fitting with the shape of the outer side.

10. The air making mechanism of the warm air blower according to claim 1, wherein a positioning column is arranged on the outer side of the air duct (22), a circular hole is formed in the center of the positioning column, and a positioning block matched with the positioning column is formed on the warm air blower body (1).