CN1693809A - Electric heating machine - Google Patents
Electric heating machine Download PDFInfo
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- CN1693809A CN1693809A CN 200510043428 CN200510043428A CN1693809A CN 1693809 A CN1693809 A CN 1693809A CN 200510043428 CN200510043428 CN 200510043428 CN 200510043428 A CN200510043428 A CN 200510043428A CN 1693809 A CN1693809 A CN 1693809A
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Abstract
The invention discloses an electric heating machine that includes casing and electric heating velum heating body that is set in the casing. The heating velum heating bodies are connected with each other in parallel and connect to water flow channel. Water flow sensor is connected to each water flow branch in series. Water level detecting device connecting to CPU is set in the expansion water tank. Water compensation by pass is set in the water collection buffer. And an electromagnetic valve is set in the water compensation by pass. The invention is safe and has high heat efficiency.
Description
Technical field
The present invention relates to the heating plant technical field, relate in particular to a kind of wall-hanging a kind of electrothermal heating machine that water is heated with electric heating membrane calandria.
Background technology
Electric heating membrane calandria is a kind of Fast Heating body, and its principle is: in the surface-coated Electric radiant Heating Film of its electrothermal tube, Electric radiant Heating Film when energising, the current of the electrothermal tube inner chamber of flowing through are carried out infrared heating.The electrothermal heating machine utilizes this principle just, and itself and user's radiator or fan coil or buried hot-water line etc. are coupled together the composition hot water system, has environment-friendly high-efficiency, sanitation and hygiene, free from extraneous odour, the flames of anger, advantage easy to use.But known electrothermal heating facility have following shortcoming: 1) connect mutually between a plurality of electric heating membrane calandrias, increased the resistance of current, slowed down water velocity, reduced the thermal efficiency; 2) for security of operation, a kind of electrothermal heating machine need move under zero-pressure usually, its expansion tank is communicated with atmosphere by overflow pipe, reasons such as evaporating, emitting, dripping or leaking of liquid or gas are added in water meeting natural evaporation, need frequent moisturizing, pass through artificial recharge, not only time-consuming, and in a single day forget, the potential safety hazard of dry combustion method will be caused.
Summary of the invention
Technical problem to be solved by this invention is: a kind of thermal efficiency height is provided, and safe in utilization, moisturizing is the electrothermal heating machine easily.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of electrothermal heating machine, comprise housing, enclosure interior is provided with several electric heating membrane calandrias that can carry out infrared heating to the current of its inner chamber of flowing through, this electric heating membrane calandria liquid sealing is connected in the water-flowing path, the two ends of this water-flowing path are connected with delivery port with the water inlet of heat abstractor respectively, in the water-flowing path of water inlet oral-lateral, be connected in series water pump, serial connection charge for remittance buffer in the water-flowing path of water outlet oral-lateral, the position that is higher than any one electric heating membrane calandria in enclosure interior is provided with expansion tank, this expansion tank is communicated with water-flowing path and is provided with overflow pipe, described electric heating membrane calandria is parallel with one another, the current that lead to each electric heating membrane calandria along separate routes in respectively serial connection can be subjected to the water flow sensing unit of thermal power by the CPU control electric heating membrane calandria of variable range controller, described each water flow sensing unit and CPU electricity are connected in series; Expansion tank inside is provided with the level detecting device that electrically connects with CPU; The charge for remittance buffer is provided with a moisturizing bypass that is connected with the running water pipe network, and serial connection can prevent the command valve of aqueous reflux and the magnetic valve that controlled by CPU in this moisturizing bypass.
After having adopted technique scheme,, reduced the resistance of current in pipeline, thereby improved heat exchanger effectiveness because electric heating membrane calandria is parallel with one another.The current that lead to each electric heating membrane calandria along separate routes in respectively serial connection can make electric heating membrane calandria get electric water flow sensing unit by the CPU of variable range controller, described each water flow sensing unit and CPU electricity are connected in series, when all water flow sensing units have detected current and have passed through, CPU will make electric heating membrane calandria get, when one of them water flow sensing unit does not detect current, CPU can not make electric heating membrane calandria get yet, thereby water flowing energising, cut the supply of water and electricity, water power is chain, do not have the dry combustion method phenomenon extremely, improved safe effect.Expansion tank inside is provided with the level detecting device that electrically connects with CPU, and the charge for remittance buffer is provided with a moisturizing bypass that is connected with the running water pipe network, and serial connection can prevent the command valve of aqueous reflux and the magnetic valve that controlled by CPU in this moisturizing bypass.When the water level in level detecting device detects expansion tank is lower than designated water level, send signal to CPU, CPU will open magnetic valve, the beginning moisturizing; When the water level in the expansion tank is higher than designated water level, CPU will close magnetic valve, stop moisturizing.Thus, the moisturizing process is finished under the control of CPU automatically, and not only saving trouble saves time, and does not have potential safety hazard.
As a kind of improvement, but the input pin of described CPU connect respectively the testing environment temperature the environment temperature sniffer, can detect the inflow temperature sniffer of inflow temperature and can detect the leaving water temperature sniffer of coolant-temperature gage.By above-mentioned sniffer, obtain environment temperature, inflow temperature and leaving water temperature respectively, the parameter of setting in above-mentioned numerical value and the variable range controller is compared, CPU will control the terminal voltage of electric heating membrane calandria, and then the thermal power that is subjected to of regulating electric heating membrane calandria, realize control automatically, and effectively reduce power consumption.
As further improvement, the input pin of described CPU connects the electric leakage sniffer that can detect electrical leakage voltage in the water-flowing path, and this electric leakage sniffer connects electric leakage alarm device.
The input pin of described CPU connects the electric heating membrane calandria overheat detection device that can prevent the electric heating membrane calandria burning, and its output pin connects the electric heating membrane calandria temperature alarm.
When the electric leakage sniffer detects when in the water-flowing path electrical leakage voltage being arranged, when the electric leakage alarm device buzzing is reported to the police, pass the signal to CPU, CPU is immediately with the dump of electric heating membrane calandria, and stops the water pump circulation; Equally, when the surface temperature that electric heating membrane calandria overheat detection device detects electric heating membrane calandria surpasses setting, pass the signal to CPU, CPU stops the water pump circulation immediately with the dump of electric heating membrane calandria; And by electric heating membrane calandria temperature alarm buzzing warning.Above-mentioned improvement has further improved safety in utilization.
Improve as another kind, but described CPU connects the display unit and the parameter set unit that temperature can be set of displays temperature respectively.Environment temperature, inflow temperature and leaving water temperature are presented on the LCDs of display unit respectively by display unit; By parameter set unit, the user can be provided with environment temperature as required.Said structure provides convenience for user's use.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is a logic control block diagram of the present invention.
The specific embodiment
Shown in Fig. 1 and Fig. 2 are common, a kind of electrothermal heating machine, comprise housing 1, housing 1 inside is provided with three electric heating membrane calandrias 7 that can carry out infrared heating to the current of its inner chamber of flowing through, electric heating membrane calandria 7 comprises three electrothermal tubes, its end forms a total water inlet and a total delivery port by communicating pipes 71 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 current of its inner chamber of flowing through.Certainly, electrothermal tube is not limited to three, and electric heating membrane calandria 4 also is not limited to three, rationally selects for use according to water consumption and power demand.These electric heating membrane calandria 7 liquid sealings are connected in the water-flowing path also parallel with one another, and the total water inlet area of passage sum of above-mentioned three electric heating membrane calandrias 7 is greater than the area of passage of water pump 2 delivery ports, and its effect is the resistance that reduces current.The two ends of this water-flowing path are connected with delivery port with the water inlet of heat abstractor respectively, serial connection water pump 2 in the water-flowing path of water inlet oral-lateral, serial connection charge for remittance buffer 8 in the water-flowing path of water outlet oral-lateral, the position that is higher than any one electric heating membrane calandria 7 in housing 1 inside is provided with expansion tank 5, this expansion tank 5 is communicated with water-flowing path by water inlet pipe 3 and is provided with overflow pipe 6, the current that lead to each electric heating membrane calandria 7 along separate routes in respectively serial connection can be subjected to the water flow sensing unit 4 of thermal power by the CPU control electric heating membrane calandria 7 of variable range controller, in order to improve safety coefficient, each current is provided with two water flow sensing units 4 along separate routes and lays respectively at the inlet end and the water outlet end of electric heating membrane calandria, each water flow sensing unit 4 is connected in series with the CPU electricity, when all water flow sensing units have all detected current and have passed through, CPU will make electric heating membrane calandria get, when one of them water flow sensing unit did not detect current, CPU can not make electric heating membrane calandria get yet.Expansion tank 5 inside are provided with the level detecting device 15 (as shown in Figure 3) that electrically connects with CPU; Charge for remittance buffer 8 is provided with a moisturizing bypass that is connected with the running water pipe network, and serial connection can prevent the command valve 9 of aqueous reflux and the magnetic valve 10 that controlled by CPU in this moisturizing bypass.
As shown in Figure 3, but the input pin of CPU connect respectively the testing environment temperature environment temperature sniffer 11, can detect the inflow temperature sniffer 12 of inflow temperature and can detect the leaving water temperature sniffer 13 of coolant-temperature gage.The input pin of CPU connects the electric leakage sniffer 16 that can detect electrical leakage voltage in the water-flowing path, and this electric leakage sniffer connects electric leakage alarm device 17.The input pin of CPU connects the electric heating membrane calandria overheat detection device 14 that can prevent electric heating membrane calandria 7 burning, and its output pin connects electric heating membrane calandria temperature alarm 18.But CPU connects the display unit 19 of displays temperature respectively and the parameter set unit 20 of temperature can be set.
The thermally equilibrated level of heat power engineering system will directly influence the size of heating power consumption and the quality of heating effect.Because heat power engineering system relates to many uncertain factors, as geographical environment and geographical position, environment weather and climatic phenomenon, construction conditions and building enclosure, relative position and be located orientation, room purposes and thermic load thermal technology amount and endless form etc., thereby very complicated, can't set up Mathematical Modeling.Evidence, the supply water temperature of circulating hot water and the temperature difference of return water temperature not only can save energy but also can make room temperature to rise continually and steadily in the time of 25 ℃.From fuzzy control theory, on the basis of a large amount of experiments, derive the thermal technology's fuzzy rule (table 1) and the fuzzy control rule (table 2) of electric heating water warming machine, according to above-mentioned rule, CPU compares temperature value and the setting value that detects, by regulating the silicon controlled angle of flow, control the thermal power that is subjected to of electric heating membrane calandria, realize the autobalance of the heat power engineering system of electrothermal heating machine.One of characteristics of electric heating membrane calandria are that speed is fast, can just the circulating water temperature of unit can be risen to more than 90 ℃ at tens minutes.By these characteristics, under computer regulating, take the tonsure heating mode can realize purpose of energy saving significantly.
Table 1: thermal technology's fuzzy rule
Table 2: fuzzy control rule
Claims (7)
1, a kind of electrothermal heating machine, comprise housing (1), housing (1) inside is provided with several electric heating membrane calandrias (7) that can carry out infrared heating to the current of its inner chamber of flowing through, this electric heating membrane calandria (7) liquid sealing is connected in the water-flowing path, the two ends of this water-flowing path are connected with delivery port with the water inlet of heat abstractor respectively, in the water-flowing path of water inlet oral-lateral, be connected in series water pump (2), serial connection charge for remittance buffer (8) in the water-flowing path of water outlet oral-lateral, the position that is higher than any one electric heating membrane calandria (7) in housing (1) inside is provided with expansion tank (5), this expansion tank (5) is communicated with water-flowing path and is provided with overflow pipe (6), it is characterized in that: described electric heating membrane calandria (7) is parallel with one another, the current that lead to each electric heating membrane calandria (7) along separate routes in respectively serial connection can be subjected to the water flow sensing unit (4) of thermal power by the CPU control electric heating membrane calandria (7) of variable range controller, described each water flow sensing unit (4) and CPU electricity are connected in series; Expansion tank (5) inside is provided with the level detecting device (15) that electrically connects with CPU; Charge for remittance buffer (8) is provided with a moisturizing bypass that is connected with the running water pipe network, the magnetic valve (10) that serial connection can prevent the command valve (9) of aqueous reflux and controlled by CPU in this moisturizing bypass.
2, a kind of electrothermal heating machine as claimed in claim 1, it is characterized in that: described electric heating membrane calandria (7) comprises several electrothermal tubes, its end forms a total water inlet and a total delivery port by communicating pipe (71) 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 current of its inner chamber of flowing through.
3, a kind of electrothermal heating machine as claimed in claim 2 is characterized in that: the total water inlet area of passage sum of described several electric heating membrane calandrias (7) parallel with one another is greater than the area of passage of water pump (2) delivery port.
4, a kind of electrothermal heating machine as claimed in claim 3 is characterized in that: but the input pin of described CPU connect respectively the testing environment temperature environment temperature sniffer (11), can detect the inflow temperature sniffer (12) of inflow temperature and can detect the leaving water temperature sniffer (13) of coolant-temperature gage.
5, as claim 1 or 2 or 3 or 4 described a kind of electrothermal heating machines, it is characterized in that: the input pin of described CPU connects the electric leakage sniffer (16) that can detect electrical leakage voltage in the water-flowing path, and this electric leakage sniffer connects electric leakage alarm device (17).
6, a kind of electrothermal heating machine as claimed in claim 5, it is characterized in that: the input pin of described CPU connects the electric heating membrane calandria overheat detection device (14) that can prevent electric heating membrane calandria (7) burning, and its output pin connects electric heating membrane calandria temperature alarm (18).
7, a kind of electrothermal heating machine as claimed in claim 6 is characterized in that: but described CPU connects the display unit (19) of displays temperature respectively and the parameter set unit (20) of temperature can be set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100434285A CN100370192C (en) | 2005-05-08 | 2005-05-08 | Electric heating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100434285A CN100370192C (en) | 2005-05-08 | 2005-05-08 | Electric heating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1693809A true CN1693809A (en) | 2005-11-09 |
| CN100370192C CN100370192C (en) | 2008-02-20 |
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ID=35352885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100434285A Expired - Fee Related CN100370192C (en) | 2005-05-08 | 2005-05-08 | Electric heating machine |
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| Country | Link |
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| CN (1) | CN100370192C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650449A (en) * | 2012-05-18 | 2012-08-29 | 陶士龙 | Efficient energy-saving and environment-friendly electrothermal film warmer |
| CN104062992A (en) * | 2014-06-09 | 2014-09-24 | 河海大学 | Electric heating device |
| CN106989506A (en) * | 2017-04-20 | 2017-07-28 | 深圳市华高瀚禹科技有限公司 | A kind of heating and domestic water electric heating equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2148467B (en) * | 1983-10-18 | 1988-04-13 | Gainsborough Electrical | Water heaters |
| US5504306A (en) * | 1994-07-25 | 1996-04-02 | Chronomite Laboratories, Inc. | Microprocessor controlled tankless water heater system |
| CN2457501Y (en) * | 2000-12-20 | 2001-10-31 | 潍坊润泰智能电气有限公司 | Wall hanging type household electric heating water circulation heating and bathing device |
| CN2489260Y (en) * | 2001-07-20 | 2002-05-01 | 潍坊科信冷暖设备有限公司 | Domestic electric water heater |
| CN2567517Y (en) * | 2002-08-27 | 2003-08-20 | 山东润泰智能电气有限公司 | Quick heating type solar electric water heater |
| CN2804710Y (en) * | 2005-05-08 | 2006-08-09 | 冷同桂 | Electrothermal warmer |
-
2005
- 2005-05-08 CN CNB2005100434285A patent/CN100370192C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650449A (en) * | 2012-05-18 | 2012-08-29 | 陶士龙 | Efficient energy-saving and environment-friendly electrothermal film warmer |
| CN104062992A (en) * | 2014-06-09 | 2014-09-24 | 河海大学 | Electric heating device |
| CN106989506A (en) * | 2017-04-20 | 2017-07-28 | 深圳市华高瀚禹科技有限公司 | A kind of heating and domestic water electric heating equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100370192C (en) | 2008-02-20 |
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Granted publication date: 20080220 Termination date: 20100508 |