CN2786481Y - Electric fan heater - Google Patents
Electric fan heater Download PDFInfo
- Publication number
- CN2786481Y CN2786481Y CN 200520082500 CN200520082500U CN2786481Y CN 2786481 Y CN2786481 Y CN 2786481Y CN 200520082500 CN200520082500 CN 200520082500 CN 200520082500 U CN200520082500 U CN 200520082500U CN 2786481 Y CN2786481 Y CN 2786481Y
- Authority
- CN
- China
- Prior art keywords
- electric
- electric heating
- flow channel
- housing
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Air-Conditioning For Vehicles (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an electric fan heater which comprises a housing, wherein the inner part of the housing is provided with an electric heating film heater which is used for heating water flow by infrared rays and the water flow passes through an inner cavity of the housing. A liquid sealing of the electric heating film heater is connected in series with a flow channel which is connected in series a hydraulic pump and a liquid flow sensor which causes the electric heating film heater to gain electricity by an electric control device. The flow channel is communicated with an expansion water tank which is arranged on the upper side of the inner part of the housing, and both ends of the flow channel are respectively communicated with a liquid inlet and a liquid outlet of a heat exchanger to form a closed loop channel which is filled with a heat changing medium in a pouring mode. An air inlet of the heat exchanger is provided with a cross-flow fan, and a hot air outlet which is arranged on the upper part of the housing is in accordance with an air outlet of the heat exchanger. The utility model enhances the heat efficiency of the electric fan heater by the forced circulation of the heat changing medium and the forced convection of heated air. The electric heating film heater is used for separating water and electricity, and is heated once the electric heating film heater is conducted so that the utility model has the advantages of no open fire, convenient use and safe operation.
Description
Technical field
The utility model relates to the warm-air drier technical field, relates in particular to a kind of electric warm-air machine.
Background technology
Known electric warm-air machine normally directly adds hot-air with electric heating body, transmits heat by radiation and convection type, and it is low to have price, small volume and less weight, characteristics such as sanitation and hygiene, but that its ubiquity the thermal efficiency is low, appearance scalds one's hand, even naked light is arranged, and has potential safety hazard.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of electric warm-air machine is provided, and it is thermal efficiency height not only, and safe in utilization.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of electric warm-air machine, comprise housing, enclosure interior is provided with the electric heating membrane calandria that can carry out infrared heating to the liquid stream of its inner chamber of flowing through, this electric heating membrane calandria liquid sealing is serially connected with in the flow channel, be connected in series hydraulic pump in this flow channel and can make electric heating membrane calandria get electric fluid sensor by electric control gear, this flow channel is communicated with the expansion tank of being located at the enclosure interior upside, the two ends of this flow channel are communicated with the inlet of heat exchanger and liquid outlet respectively and form closed-loop path, perfusion heat exchange working medium in this closed-loop path, the air inlet place of described heat exchanger is provided with cross flow blower, and the top of described housing is provided with the hot-blast outlet that the air outlet position with heat exchanger adapts.
Described electric heating membrane calandria comprises several electrothermal tubes, and its end forms a total inlet and a total liquid outlet by communicating pipe pipeline series connection; The outer peripheral face of described electrothermal tube is coated with the Electric radiant Heating Film that can carry out infrared heating to the liquid stream of its inner chamber of flowing through.
After having adopted technique scheme, during use, the primer fluid press pump, heat exchange working medium flows in closed-loop path, when setting value that the flow and the pressure of the detected liquid of fluid sensor stream reaches electric control gear, electric heating membrane calandria gets electric, and the heat exchange working medium of its inner chamber of flowing through is carried out infrared fast heating, heat exchange working medium is taken heat to heat exchanger, distributes to the external world rapidly by the hot-blast outlet that is arranged at housing top under the effect of cross flow blower.The forced convertion of forced circulation and heated air by heat exchange working medium has improved the thermal efficiency of electric warm-air machine.And the electric heating membrane calandria electricity separation, promptly logical instant heating, the flames of anger makes the utility model not only easy to use, and security of operation.
As a kind of improvement, described electric control gear is provided with the earth leakage protective device that can detect voltage in the water-flowing path.Described electric control gear is provided with the electric heating membrane calandria protector that prevents the electric heating membrane calandria burning.It is safer that above-mentioned improvement is used the utility model.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is the structure cutaway view of the utility model embodiment.
The specific embodiment
As shown in drawings, a kind of electric warm-air machine, comprise housing 3, housing 3 inside are provided with the electric heating membrane calandria 6 that can carry out infrared heating to the liquid stream of its inner chamber of flowing through, electric heating membrane calandria 6 comprises several electrothermal tubes 61, its end forms a total inlet and a total liquid outlet by communicating pipes 62 pipeline series connection; The outer peripheral face of electrothermal tube 61 is coated with the Electric radiant Heating Film that can carry out infrared heating to the liquid stream of its inner chamber of flowing through.These electric heating membrane calandria 6 liquid sealings are serially connected with in the flow channel, be connected in series hydraulic pump 5 in this flow channel and can make electric heating membrane calandria 5 get electric fluid sensor 4 by electric control gear, in order to improve safety coefficient, fluid sensor 4 is two, be serially connected with respectively electric heating membrane calandria 6 water inlet oral-lateral with the flow channel water outlet oral-lateral in.This flow channel is communicated with the expansion tank 7 of being located at housing 3 upper inside, and the effect of expansion tank 7 is the pressure that behind the elimination heat exchange working medium expanded by heating flow channel is produced.The two ends of this flow channel are communicated with the water inlet of heat exchanger 2 and delivery port respectively and form closed-loop path, perfusion heat exchange working medium in this closed-loop path, and heat exchange working medium is the mixture of water, anti-icing fluid and glycerine.Water is the non-conductor of heat, has good fluidity, Heat stability is good, characteristics that density is big, utilizes these characteristics of water to be carrier, can realize the heat orientation, transmit and operation with closed ring at a distance.Anti-icing fluid is selected automobile anti-icing fluid for use, prevents that winter, recirculated water froze.Glycerine has certain viscosity and lubricity preferably, can play in circulation heating process and reduce water impact sound and prevent incrusted effect, plays lubricated to water pump simultaneously and prevents the effect of scale.Heat exchange working medium is by weight: 85 parts in water, 5 parts of anti-icing fluid, 10 parts of glycerine.
Heat exchanger 2 is preferentially selected the coiled surface exchanger for use, and this coiled surface exchanger is upright barrel-like structure, and its top is provided with air outlet, and its underpart is provided with air inlet, and its inside is provided with the copper tube 21 that can be communicated with flow channel of spiral.The air inlet place of heat exchanger 2 is provided with cross flow blower 1, and the top of described housing 3 is provided with the hot-blast outlet that the air outlet position with heat exchanger 2 adapts.
Electric control gear is provided with the earth leakage protective device that can detect voltage in the described flow channel and prevents the electric heating membrane calandria protector of electric heating membrane calandria burning.
Electric control gear of the present utility model adopts the PLC16F873 single-chip microcomputer, the blue screen LCD, and menu mode shows, touches button operation; Other adds IR remote controller and forms intelligent management system.
The operational management function is to set start, shutdown time limit and 24 hours period period management modes.The indoor temperature setting range is 16-22 ℃, precision ± 1 ℃.The management mode of system default is:
(1) starts the management of room temperature acquiescence automatically: when room temperature is lower than 16 ℃, start also heating with full power, circulation automatically, promote room temperature and this machine anti-frost protection rapidly;
The acquiescence management of (2) 24 hours period periods:
6:00 starts, and heating with full power promotes room temperature;
8:00 shuts down, and shuts down to start insulation and protection operation when the back room temperature drops to 18 ℃;
The 11:00 start, system was in armed state when room temperature was higher than 18 ℃, and room temperature is lower than 18 ℃ of Full System Capability heating lifting room temperatures and reaches 18 ℃;
13:00 shuts down, and shuts down to start insulation and protection operation when the back room temperature drops to 18 ℃;
The 16:00 start, system was in armed state when room temperature was higher than 18 ℃, and room temperature is lower than 18 ℃ of Full System Capability heating lifting room temperatures and reaches 18 ℃;
22:00 is incubated operation, keeps room temperature more than 16 ℃ after this period;
6:00 is circular flow once more.
(3) user can oneself needs be provided with moving law and temperature requirement.
Claims (6)
1, a kind of electric warm-air machine, comprise housing (3), housing (3) inside is provided with electric heating body, it is characterized in that: the electric heating membrane calandria (6) of described electric heating element for carrying out infrared heating to the liquid stream of its inner chamber of flowing through, this electric heating membrane calandria (6) liquid sealing is serially connected with in the flow channel, be connected in series hydraulic pump (5) in this flow channel and can make electric heating membrane calandria (5) get electric fluid sensor (4) by electric control gear, this flow channel is communicated with the expansion tank (7) of being located at housing (3) upper inside, the two ends of this flow channel are communicated with the inlet of heat exchanger (2) and liquid outlet respectively and form closed-loop path, perfusion heat exchange working medium in this closed-loop path, the air inlet place of described heat exchanger (2) is provided with cross flow blower (1), and the top of described housing (3) is provided with the hot-blast outlet that the air outlet position with heat exchanger (2) adapts.
2, a kind of electric warm-air machine as claimed in claim 1 is characterized in that: described electric heating membrane calandria (6) comprises several electrothermal tubes (61), and its end forms a total inlet and a total liquid outlet by communicating pipe (62) pipeline series connection; The outer peripheral face of described electrothermal tube (61) is coated with the Electric radiant Heating Film that can carry out infrared heating to the liquid stream of its inner chamber of flowing through.
3, a kind of electric warm-air machine as claimed in claim 2 is characterized in that: described heat exchange working medium is the mixture of water, anti-icing fluid and glycerine.
4, as claim 1 or 2 or 3 described a kind of electric warm-air machines, it is characterized in that: described electric control gear is provided with the earth leakage protective device that can detect voltage in the described flow channel.
5, a kind of electric warm-air machine as claimed in claim 4 is characterized in that: described electric control gear is provided with the electric heating membrane calandria protector that prevents the electric heating membrane calandria burning.
6, a kind of electric warm-air machine as claimed in claim 1, it is characterized in that: described heat exchanger (2) is the coiled surface exchanger, this coiled surface exchanger is upright barrel-like structure, its top is provided with air outlet, its underpart is provided with air inlet, and its inside is provided with the copper tube (21) that can be communicated with flow channel of spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520082500 CN2786481Y (en) | 2005-04-15 | 2005-04-15 | Electric fan heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520082500 CN2786481Y (en) | 2005-04-15 | 2005-04-15 | Electric fan heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2786481Y true CN2786481Y (en) | 2006-06-07 |
Family
ID=36775056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520082500 Expired - Lifetime CN2786481Y (en) | 2005-04-15 | 2005-04-15 | Electric fan heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2786481Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100370181C (en) * | 2005-04-15 | 2008-02-20 | 冷同桂 | Electric warm-air machine |
| CN103968547A (en) * | 2014-04-22 | 2014-08-06 | 东莞市象能电气设备有限公司 | Novel fan heater |
-
2005
- 2005-04-15 CN CN 200520082500 patent/CN2786481Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100370181C (en) * | 2005-04-15 | 2008-02-20 | 冷同桂 | Electric warm-air machine |
| CN103968547A (en) * | 2014-04-22 | 2014-08-06 | 东莞市象能电气设备有限公司 | Novel fan heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080220 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |