CN202133104U - Hot air circulation heating device - Google Patents
Hot air circulation heating device Download PDFInfo
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- CN202133104U CN202133104U CN201120158054U CN201120158054U CN202133104U CN 202133104 U CN202133104 U CN 202133104U CN 201120158054 U CN201120158054 U CN 201120158054U CN 201120158054 U CN201120158054 U CN 201120158054U CN 202133104 U CN202133104 U CN 202133104U
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Abstract
The utility model discloses a hot air circulation heating device, comprising a frame and a heating element, wherein an insulating end face is arranged at the upper part of the frame; the heating element is arranged on the insulating end surface; and the heating element is composed of a plurality of straight-pipe electric heating radiation pipes. The hot air circulation heating device has the advantages of being simple in structure, convenient for installation and maintenance, low in production cost and long in service life, overcomes the problems of non-uniform air heating and poor air heat exchange effect of the hot air circulation heating device in the prior art, and avoids local overheating phenomenon of electric heating elements in the hot air circulation heating device.
Description
Technical field:
The utility model relates to a kind of heat wind circulation heating equipment.
Background technology:
Hot-air is widely used in industry, agricultural, perhaps is applied to the heating in places such as family, hotel, hospital.Existing hot-air generator is on the body of heater body, to be provided with air duct, and heating back hot-air causes equipment or the place that needs, because the air thermal conductivity is lower; Heat exchange effect is poor; This equipment heat has greatly been wasted significant amount of energy through fume emission, and the output of hot-air is lower.Existing heat wind circulation heating equipment comprises the resistance wire that is installed in the housing, adds hot-air through resistance wire, produces free convection, and hot-air is reached surrounding environment.The deficiency of this type of heat wind circulation heating equipment is that the area of resistance wire and air heat exchange is little, and temperature is high in the housing.From heat resistance and the security consideration that case material can bear, must limit the maximum temperature that can reach in the heat wind circulation heating equipment.
Chinese patent 200620123303 discloses a kind of heat wind circulation heating equipment, comprises outer courage, inner bag, spiral case, rectification box and heating wire, and the bottom of said outer courage offers through hole, and flange passes the inboard that this through hole is arranged on outer courage; The bottom of said inner bag, side are connected with flange, inner bag side plate respectively, and this inner bag side plate links to each other with outer courage; Said spiral case links to each other with inner bag is inboard; Said rectification box is installed on the sidewall of inner bag and is positioned at the top of spiral case; Said heating wire is placed between spiral case and the rectification box.Printed substrate (PCB to electronic product; Printed Circuit Board) surface-assembled is produced especially the pb-free solder of printed circuit board element pasted on surface and is used the hot air reflux welding equipment usually, and one of important device of this hot air reflux welding equipment is exactly a heat wind circulation heating equipment.This heat wind circulation heating equipment has plurality of advantages such as high heat exchange efficiency, good uniform temperature and stability.This device can effectively reduce because of malformation in heating process
The technological parameter change that brings; Can also strengthen heat-insulating capability, reduce thermal loss, and utilize the high heat reflectivity of aluminium plating zinc plate; Acquisition is than the high efficiency of heating surface and the uniform temperature that doubles more than 20% of conventional structure, thereby more can satisfy the harsh technological requirement of pb-free solder.But this heat wind circulation heating equipment complex structure, installation and maintenance inconvenience increases production cost.
Summary of the invention:
In order to overcome the defective that prior art exists; It is inhomogeneous to the gas heating to solve heat wind circulation heating equipment; The gas converting heat effect is bad; The utility model provides a kind of simple in structure, heat wind circulation heating equipment of being convenient to installation and maintenance, avoids heating hot-spot phenomenon in the heat wind circulation heating equipment, effectively reduces production costs.
The technical scheme that the utility model adopts is:
Heat wind circulation heating equipment comprises skeleton, heater, and the top of described skeleton is provided with the insulation end face, and described heater is arranged on the insulation end face, and described heater is made up of some straight pipe type electrical heating radiant tubes.
Described straight pipe type electrical heating radiant tube is made up of two electrode lead-out rods, some ceramic spacer rings and high-resistance electrothermic alloy rod; Some ceramic spacer rings axially are provided with along straight pipe type electrical heating radiant tube; The high-resistance electrothermic alloy rod interts on ceramic spacer ring and mutual serial connection; The interspersed soaking zone of one end of two electrode lead-out rods is connected to the high-resistance electrothermic alloy rod two ends of mutual serial connection, and an other end of electrode lead-out rod is fixed on the insulation end face and with power supply and is connected.
Described straight pipe type electrical heating radiant tube is made up of heat resisting pipe, some ceramic spacer rings and resistance wire; Some ceramic spacer rings axially are provided with along straight pipe type electrical heating radiant tube; Heat resisting pipe is interspersed to be wound on the ceramic spacer ring, and described resistance wire is arranged in the heat resisting pipe and by dielectric and fills, and the two ends of described resistance wire are provided with binding post; The interspersed soaking zone of described heat resisting pipe is fixed on the insulation end face, and described binding post is connected with power supply.
The utility model is made up of skeleton and heater, and the top of described skeleton is provided with the insulation end face, and described heater is arranged on the insulation end face, and described heater is made up of some straight pipe type electrical heating radiant tubes.The utility model is arranged in the air channel, and skeleton opens wide heat radiation on four sides, can heat gas to various air channel structures, and gas converting heat is effective, and simple in structure, be convenient to installation and maintenance, production cost is low.
The beneficial effect of the utility model: simple in structure, be convenient to installation and maintenance; Production cost is low, long service life, and it is inhomogeneous to the gas heating to have overcome in the prior art heat wind circulation heating equipment; The gas converting heat effect is bad, has avoided heating hot-spot phenomenon in the heat wind circulation heating equipment.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the cross section enlarged drawing of heat resisting pipe among the utility model embodiment 2.
Sequence number among the figure: 1, skeleton, 2, the electrical heating radiant tube, 3, the insulation end face, 4, electrode lead-out rod, 5, ceramic spacer ring, 6, the high-resistance electrothermic alloy rod, 7, soaking zone, 8, heat resisting pipe, 9, resistance wire, 10, dielectric, 11, binding post.
The specific embodiment:
Below in conjunction with accompanying drawing and specific embodiment the utility model is further specified:
Embodiment one: referring to Fig. 1 and Fig. 2; A kind of heat wind circulation heating equipment; Comprise skeleton 1, heater, the top of described skeleton 1 is provided with insulation end face 3, and described heater is arranged on the insulation end face 3; Described heater is made up of 18 straight pipe type electrical heating radiant tubes 2, and described 18 straight pipe type electrical heating radiant tubes 2 adopt Y-connection; Described single straight pipe type electrical heating radiant tube 2 is made up of two electrode lead-out rods 4, six ceramic spacer rings 5 and high-resistance electrothermic alloy rod 6; Six ceramic spacer rings 5 axially are provided with along straight pipe type electrical heating radiant tube 2; High-resistance electrothermic alloy rod 6 interts on ceramic spacer ring 5 and mutual serial connection; The interspersed soaking zone 7 of one end of two electrode lead-out rods 4 is connected to high-resistance electrothermic alloy rod 6 two ends of mutual serial connection, and an other end of electrode lead-out rod 4 is fixed on the insulation end face 3 and with power supply and is connected.
Embodiment two: referring to Fig. 3, Fig. 4 and Fig. 5; A kind of heat wind circulation heating equipment; Comprise skeleton 1, heater, the top of described skeleton 1 is provided with insulation end face 3, and described heater is arranged on the insulation end face 3; Described heater is made up of 18 straight pipe type electrical heating radiant tubes 2, and described 18 straight pipe type electrical heating radiant tubes 2 adopt Y-connection; Described single straight pipe type electrical heating radiant tube 2 is made up of heat resisting pipe 8, six ceramic spacer rings 5 and resistance wire 9; Six ceramic spacer rings 5 axially are provided with along straight pipe type electrical heating radiant tube 2; Heat resisting pipe 8 interspersed being wound on the ceramic spacer ring 5; Described resistance wire 9 is arranged in the heat resisting pipe 8 and by dielectric 10 and fills; The two ends of described resistance wire 9 are provided with binding post 11, and described heat resisting pipe 8 interspersed soaking zones 7 are fixed on the insulation end face 3, and described binding post 11 is connected with power supply.
Embodiment is just for the ease of understanding the technical scheme of the utility model; Do not constitute restriction to the utility model protection domain; Every interior any simple modification, equivalent variations and modification of perhaps according to the technical spirit of the utility model above scheme being done that does not break away from the utility model technical scheme all still belongs within the utility model protection domain.
Claims (3)
1. heat wind circulation heating equipment; Comprise skeleton ⑴, heater; It is characterized in that: the top of described skeleton ⑴ is provided with insulation end face ⑶, and described heater is arranged on the insulation end face ⑶, and described heater is made up of some straight pipe type electrical heating radiant tube ⑵.
2. heat wind circulation heating equipment according to claim 1; It is characterized in that: described straight pipe type electrical heating radiant tube ⑵ is made up of two electrode lead-out rod ⑷, some ceramic spacer ring ⑸ and high-resistance electrothermic alloy rod ⑹; Some ceramic spacer ring ⑸ axially are provided with along straight pipe type electrical heating radiant tube ⑵; High-resistance electrothermic alloy rod ⑹ interts on ceramic spacer ring ⑸ and mutual serial connection; The interspersed soaking zone ⑺ of the end of two electrode lead-out rod ⑷ is connected to the high-resistance electrothermic alloy rod ⑹ two ends of mutual serial connection, and the other end of electrode lead-out rod ⑷ is fixed in insulation end face ⑶ and upward and with power supply is connected.
3. heat wind circulation heating equipment according to claim 1; It is characterized in that: described straight pipe type electrical heating radiant tube ⑵ is made up of heat resisting pipe ⑻, some ceramic spacer ring ⑸ and resistance wire ⑼; Some ceramic spacer ring ⑸ axially are provided with along straight pipe type electrical heating radiant tube ⑵; Heat resisting pipe ⑻ is interspersed to be wound on the ceramic spacer ring ⑸, and described resistance wire ⑼ is arranged among the heat resisting pipe ⑻ and by dielectric ⑽ and fills, and the two ends of described resistance wire ⑼ are provided with binding post ⑾; The interspersed soaking zone ⑺ of described heat resisting pipe ⑻ is fixed on the insulation end face ⑶, and described binding post ⑾ is connected with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120158054U CN202133104U (en) | 2011-05-18 | 2011-05-18 | Hot air circulation heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120158054U CN202133104U (en) | 2011-05-18 | 2011-05-18 | Hot air circulation heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202133104U true CN202133104U (en) | 2012-02-01 |
Family
ID=45521870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120158054U Expired - Fee Related CN202133104U (en) | 2011-05-18 | 2011-05-18 | Hot air circulation heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202133104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104823004A (en) * | 2012-10-19 | 2015-08-05 | 法雷奥热***公司 | Heat sink, associated heating module and corresponding assembly method |
-
2011
- 2011-05-18 CN CN201120158054U patent/CN202133104U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104823004A (en) * | 2012-10-19 | 2015-08-05 | 法雷奥热***公司 | Heat sink, associated heating module and corresponding assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20180518 |