CN214581386U

CN214581386U - Electric warmer with high-effect heat exchanger

Info

Publication number: CN214581386U
Application number: CN202120529322.0U
Authority: CN
Inventors: 陈振声
Original assignee: Jiangmen Liansheng Hardware & Electrical Appliance Co ltd
Current assignee: Jiangmen Liansheng Hardware & Electrical Appliance Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-02
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses an electric warmer with a high-efficiency heat exchanger, which comprises a shell, a heat exchanger in the shell and a blowing module, wherein the blowing module comprises an impeller and an impeller frame; the heating module comprises a heating lamp tube, guide plates are arranged on two sides of the heating lamp tube to form a heating cavity, the heating lamp tube is surrounded, a radiation light source of the heating lamp tube is limited in the heating cavity, radiation loss is reduced, the heating lamp tube can intensively heat an area near the heating cavity, and heating efficiency is improved; because the heating lamp tube is arranged in the heating cavity, the situation that wind directly blows the heating lamp tube and blows from two sides of the heating cavity is avoided, negative pressure is formed at the vent of the heating cavity under the principle of atmospheric pressure, and heat in the heating cavity is taken out and mixed with the wind to form hot wind; the outer side surface of the guide plate is protruded to have a flow guide effect, so that the friction with wind and the occurrence of turbulence can be reduced, and the air outlet noise is further reduced.

Description

Electric warmer with high-effect heat exchanger

Technical Field

The utility model relates to an electric warmer field.

Background

The electric heater is a device for heating by taking electricity as an energy source, wherein one common hot air type heater takes the heat radiation of an electric heating lamp as a heat source and comprises a blowing module and a heat exchanger provided with an electric heating lamp tube, the heat exchanger is provided with an air channel and is in butt joint with the blowing module, the electric heating lamp tube is arranged in the air channel and radiates on the wall surface of the air channel in the air channel, heat is generated by continuous reflection between the wall surfaces, and the blowing module blows air into the air channel and takes away the heat on the wall surface of the air channel to blow out the air to form hot air. However, at present, the hot air type warmer has the following defects: 1. because the light source of the electric heating lamp tube can be scattered on all wall surfaces of the air duct in an unconcentrated manner in the air duct, the heating is slow, and the air duct is provided with an air inlet and an air outlet, part of the radiant heat of the electric heating lamp can be radiated from the air inlet and the air outlet, and the heat formed by reflecting the radiant heat through the wall surfaces can also be directly radiated from the air inlet and the air outlet, so that a large amount of radiant heat is lost; 2. the electric heating lamp tube is directly arranged in the air duct, and when wind directly blows the electric heating lamp tube, turbulent flow is generated to generate air outlet noise, so that the use experience of a user is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides an electric warmer with a high-effect heat exchanger.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an electric heater with high-effect heat exchanger, includes the heat exchanger and the module of blowing in casing, the module of blowing includes impeller and impeller frame, and heat exchanger includes the wind channel casing with the butt joint of impeller frame and arranges the module of generating heat in the wind channel casing in, the module of generating heat is including the fluorescent tube that generates heat, and the guide plate has been arranged to the both sides of the fluorescent tube that generates heat, and forms between the guide plate of both sides and will generate heat the fluorescent tube and enclose the cavity of generating heat including establishing, and the guide plate of both sides is arranged around the air-out direction of wind channel casing, and leans on the protruding water conservancy diversion effect that has of guide plate outside surface of wind channel casing air intake and arranges the place ahead at the heating tube along the air inlet direction, leaves the blow vent of the cavity of generating heat between the guide plate.

The cross section of each guide plate is arranged in a V shape, the guide plates on two sides are symmetrically arranged, and the sharp corners of the guide plates are arranged close to the outside.

The side parts of the blowing module and the heat exchanger are also provided with electrical parts, and a partition plate is arranged above a vent hole at one side of the heating cavity facing the electric control module.

The heating lamp tube is provided with two guide plates which are respectively close to the two sides.

The impeller is a centrifugal impeller, the impeller base comprises a cover body for containing the impeller, and a motor for driving the impeller is arranged at the end part of the cover body.

The utility model has the advantages that: 1. the guide plates are arranged on two sides of the heating lamp tube to form a heating cavity to surround the heating lamp tube, so that the radiant heat of the heating lamp tube is limited in the heating cavity, the loss of the radiant heat is reduced, the heating lamp tube can intensively irradiate the area near the heating cavity, the radiant heat is continuously reflected in the heating cavity, the radiant heating is rapid, and the heating efficiency is improved; 2. The heating lamp tube is arranged in the heating cavity, so that the direct blowing of wind to the heating lamp tube is avoided, the outer side surface of the guide plate has a flow guide effect, the occurrence of turbulence can be reduced, and further the wind outlet noise is reduced, the wind blows from two sides of the heating cavity, negative pressure is formed at the vent of the heating cavity under the principle of atmospheric pressure, and the heat in the heating cavity is taken out to be mixed with the wind to form hot wind; 3. the guide plates are arranged on two sides of the heating tube according to the air inlet direction, so that too much space cannot be occupied, the structural arrangement of the air duct shell is not required to be excessively improved, the applicability is high, and the small electric warmer can still keep the small-size product shape.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic exploded view of the present invention;

fig. 3 is a schematic view of the working principle of the heat exchanger of the present invention.

Detailed Description

Referring to fig. 1 to 3, the electric warmer comprises a housing 1, a heat exchanger 2 and a blowing module 3 in the housing 1, wherein the blowing module 3 comprises an impeller 31 and an impeller base 32, and the heat exchanger 2 comprises an air duct shell 21 butted with the impeller base 32 and a heating module 4 arranged in the air duct shell 21.

The heating module 4 comprises a heating lamp tube 41, guide plates 42 are arranged on two sides of the heating lamp tube 41, a heating cavity 5 which surrounds the heating lamp tube 41 is formed between the guide plates 42 on the two sides, the radiant heat of the heating lamp tube 41 is limited in the heating cavity 5, the loss of the radiant heat is reduced, the heating lamp tube 41 can intensively heat the area near the heating cavity 5, the temperature around the electric heating lamp tube 41 can be rapidly increased, the air involved by the blowing module can be mixed with the heat to form hot air which is blown out and can reach high temperature immediately, and the conversion of the high efficiency of the heat exchanger is realized.

The guide plates 42 on the two sides are arranged in the front and back direction according to the air outlet direction of the air duct shell 21, the wind involved in the blowing module 3 is blocked, the phenomenon that the wind directly blows the heating lamp tube to generate turbulence to generate noise is avoided, the vent holes 51 of the heating cavity 5 are reserved between the guide plates 42, when the wind blows from the two sides of the heating cavity 5, negative pressure is formed at the vent holes 51 under the principle of atmospheric pressure, and the heat in the heating cavity 5 is taken out to be mixed with the wind to form hot wind. The outer side surface of the guide plate 42 has a flow guiding function, a raised outer side surface is mainly required to be arranged on the guide plate 42 close to the air inlet of the air duct shell 21 and is arranged in front of the heating tube along the air inlet direction, the inlet air can be guided to two sides of the heating cavity 5 to pass through quickly, noise generated by friction with wind is reduced, the guide plate 42 is preferably made into a plate with a V-shaped cross section, the guide plates 42 on the two sides are symmetrically arranged, and sharp corners of the guide plates are arranged close to the outside to form a < > "streamline structure; the aerodynamic is fully utilized, the wind resistance is greatly reduced, the generation of turbulent flow is reduced, and the purposes of guiding the flow and reducing the air outlet noise are achieved.

On the other hand, the guide plate 42 is arranged on both sides of the heating lamp tube 41 according to the air inlet direction of the air duct shell 21, so that too much space is not occupied, the structural arrangement of the air duct shell 21 is not required to be modified too much, the applicability is strong, and the small electric warmer can still keep the small-sized product shape.

Preferably, in order to utilize the internal space of the casing 1 and reduce the volume of the whole machine, the electrical components are arranged at the side parts of the blowing module 3 and the heat exchanger 2, and a partition plate 43 is arranged above the air vent at one side of the heating chamber 5 facing the electronic control module to block the radiation irradiation of the heating lamp tube, so as to prevent the side wall of the air duct casing 21 close to the electrical components from being influenced by the increase of the radiation heating temperature to work.

In order to further ensure that the temperature in the heating chamber 5 can be rapidly raised, the heating lamp tube 41 is provided with two guide plates 42 which are respectively close to two sides, the guide plates 42 play a role of a reflecting cover, so that the temperature in the heating chamber 5 can be raised instantly, and the working efficiency of the electric warmer is higher.

Preferably, the impeller 31 is a centrifugal impeller, the impeller base 32 includes a cover 321 for accommodating the impeller 31, and the end of the cover 321 is provided with a motor 322 for driving the impeller 31 to form a centrifugal fan, so that the centrifugal fan has the characteristics of large air volume and high air pressure, hot air of the electric warmer can fill the whole room quickly, and the temperature in the room is increased quickly to keep warm for a human body.

Claims

1. The utility model provides an electric warmer with high-effect heat exchanger, includes heat exchanger (2) and the module of blowing (3) in casing (1), the module of blowing (3) are including impeller (31) and impeller frame (32), and heat exchanger (2) are including wind channel casing (21) with impeller frame (32) butt joint and place the module of generating heat (4) in wind channel casing (21) in, its characterized in that: the heating module (4) comprises a heating lamp tube (41), guide plates (42) are arranged on two sides of the heating lamp tube (41), a heating cavity (5) which is formed between the guide plates (42) on two sides and surrounds the heating lamp tube (41) is arranged, the guide plates (42) on two sides are arranged front and back according to the air outlet direction of the air duct shell (21), the outer side surface of each guide plate (42) close to an air inlet of the air duct shell (21) is protruded to have a flow guiding effect and is arranged in front of the heating tube along the air inlet direction, and air vents (51) of the heating cavity (5) are reserved between the guide plates (42).

2. The electric warmer of claim 1, wherein: the cross section of the guide plate (42) is arranged in a V shape, the guide plates on the two sides are symmetrically arranged, and the sharp corner positions are arranged close to the outside.

3. The electric warmer of claim 1, wherein: the side parts of the blowing module (3) and the heat exchanger (2) are also provided with electrical parts, and a partition plate (43) is arranged above a vent hole on one side of the heating cavity (5) facing the electric control module.

4. The electric warmer of claim 1, wherein: the heating lamp tube (41) is provided with two guide plates (42) which are respectively arranged close to two sides.

5. The electric warmer of claim 1, wherein: the impeller (31) is a centrifugal impeller, the impeller base (32) comprises a cover body (321) for accommodating the impeller (31), and a motor (322) for driving the impeller (31) is arranged at the end part of the cover body (321).