CN101639284A - Electric heater - Google Patents

Electric heater Download PDF

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Publication number
CN101639284A
CN101639284A CN200910042377A CN200910042377A CN101639284A CN 101639284 A CN101639284 A CN 101639284A CN 200910042377 A CN200910042377 A CN 200910042377A CN 200910042377 A CN200910042377 A CN 200910042377A CN 101639284 A CN101639284 A CN 101639284A
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CN
China
Prior art keywords
water
thick film
film heater
control circuit
electric heater
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Granted
Application number
CN200910042377A
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Chinese (zh)
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CN101639284B (en
Inventor
林小艺
熊君
谭发刚
陈前
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Midea Group Co Ltd
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Midea Group
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Priority to CN2009100423772A priority Critical patent/CN101639284B/en
Publication of CN101639284A publication Critical patent/CN101639284A/en
Application granted granted Critical
Publication of CN101639284B publication Critical patent/CN101639284B/en
Expired - Fee Related legal-status Critical Current
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  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

The invention relates to an electric heater, which comprises a control circuit (9), a water tank (1), a water pump (2), a thick film heater (4) with a water inlet (5) and a water outlet (8), and a water outlet nozzle (7), wherein the water tank (1) is connected with the water pump (2) through a water pipe, the water outlet of the water pump (2) is connected with the water inlet (5) of the thick film heater (4), and the water outlet (8) of the thick film heater (4) is connected with the water outlet nozzle (7), and the electric heater is characterized in that at least one temperature sensor is arranged on the electric heater, and the temperature sensor is connected with the control circuit (9). The heater is provided with the temperature sensor, so that the working power of the thick film heater can be adjusted and controlled, when the water temperature of the water tank is too low, the temperature sensor transmits a temperature signal of the water entering the thick film heater to the control circuit, and the control circuit can meet the requirement of constant temperature according to a program, so that the water can be quickly boiled, and the thick film heater is safer in product and more convenient to use.

Description

A kind of electric heater
Technical field
The present invention relates to electric heater, particularly a kind of electric heater that is used for Fast Heating liquid belongs to the improvement technology that has electric heater now.
Background technology
The electrical heating product that present specialty is used for the liquid heating has for example products such as water dispenser, insulating pot, electric water bottle, electric water boiler, these products all are to place a lot of water in heating chamber in advance, whole water with the inside heat fully then, like this, hot water if desired is not a lot, obviously is to waste energy.
Therefore, the someone proposes, and heating chamber is separated with storage tank, wants to burn how much water and just burns how much water, and storage tank separates with heating chamber, when needs add hot water, by water pump with the water pump in the storage tank in heating chamber, need how much water, with regard to how much water of pump.Can reach certain energy-saving effect.
But for above-mentioned heater, the operating power of thick film heater is fixed, and can not regulate its operating power automatically according to the variations in temperature of water to be heated.Because the temperature of water tank is different in different places, under different seasons and different state of weather, temperature differs and may reach about 20 degree, in when heating, and the variation that thick film heater can't the perception water temperature, still heat according to certain power, like this, when temperature is low, original water temperature is crossed when low, firing rate is slow, and the temperature of water may not reach the requirement that requires the user.
Summary of the invention
The objective of the invention is to address the above problem and provide a kind of can be according to water temperature with the power adjusting of thick film heater to making the water can boiled fast value, make it to satisfy the electric heater of the temperature that quickly heats up to customer requirements.
The technical scheme that realizes the object of the invention is: a kind of electric heater, comprise control circuit, water tank, water pump, the thick film heater that has water inlet and delivery port and faucet, water tank is connected by water pipe with water pump, the delivery port of water pump is connected with the water inlet of thick film heater, the delivery port of thick film heater is connected with faucet, it is characterized in that at least one temperature sensor is set on the electric heater, and temperature sensor is connected with control circuit.Temperature sensor is used to monitor the inner or peripheral water temperature of electric heater thick film heater, and water temperature is fed back to control circuit, realizes the adjusting control to the thick film heater heating power.
The said temperature sensor adopts thermistor.
Above-mentioned thermistor be arranged in the water tank as the water inlet thermistor or the connecting pipe of water tank and thick film heater in.Be used to detect the temperature that enters water in the water tank.
In order accurately to detect coolant-temperature gage, so that the present invention can also also be provided with a delivery port thermistor that is connected with control circuit according to the heating power of leaving water temperature control heater near the delivery port of thick film heater.
The delivery port of above-mentioned thick film heater is equipped with effluent switch, and effluent switch is communicated with faucet and is electrically connected with control circuit.
Above-mentioned effluent switch is by electronically controlled magnetic valve.
Be provided with water return pipeline between the delivery port of above-mentioned thick film heater and the water tank, water return pipeline is provided with and is equiped with the effluent recycling gauge tap, and the effluent recycling gauge tap is electrically connected with control circuit.
Above-mentioned water pump also is connected with control circuit, to realize the control of control circuit to the thick film heater inflow.
The delivery port of above-mentioned thick film heater is in the position of thick film heater periphery or bottom.
For safety, avoid thick film heater generation dry combustion method, in the bottom of thick film heater an anti-dry thermistor is set also, it is electrically connected with control circuit.Be used to monitor the surface temperature of thick film heater, prolong the service life of thick film heater.
The invention has the beneficial effects as follows that because temperature sensor is set on heater, the operating power of thick film heater becomes and can control, and can carry out work according to user's needs, not only product is safer, uses also more convenient.When the water temperature of water tank is crossed when low, the temperature signal that temperature sensor will enter the water of thick film heater is delivered to control circuit, control circuit according to program with the power adjusting of thick film heater to making the water can boiled fast value, make it the constant requirement of satisfied temperature.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is a circuit connection diagram of the present invention.
Fig. 3 is that of the present invention another implemented structural representation.
The specific embodiment
Below in conjunction with drawings and Examples concrete real-time mode of the present invention is described further.
Embodiment 1:
As shown in Figure 1, in the present embodiment, electric heater comprises control circuit 9, water tank 1, water pump 2, the thick film heater 4 that has water inlet 5 and delivery port 8, effluent switch 6 and faucet 7, water tank 1 and water pump 2 are connected by water pipe, the delivery port of water pump 2 is connected with the water inlet 5 of thick film heater 4, effluent switch 6 is installed on the delivery port 8 of thick film heater 4, and effluent switch 6 is communicated with faucet 7.In concrete enforcement, effluent switch 6 adopts magnetic valve, two thermistors 3 are separately positioned on the position of the water inlet 5 of thick film heater 4 and delivery port 8, an anti-dry thermistor 3 is located at thick film heater 4 bottom (not shown)s, and three thermistors 3 and effluent switch 6 are electrically connected with control circuit 9 respectively.Can know the direction of current and being connected of each part clearly from Fig. 1, when these parts being placed in any one shell that designs, just form actual product.
Circuit connection diagram of the present invention as shown in Figure 2, control circuit comprises input power supply L/N, this power supply is used to supply with central control unit through voltage of circuit such as reduction voltage circuit output, because of reduction voltage circuit and central control unit belong to the mature technology of household appliances product, so do not give unnecessary details.
Water inlet 5 on the thick film heater 4, delivery port 8 and three thermistors 3 of anti-dry are electrically connected so that detected three place's real-time temperatures to be provided with central control unit respectively, K1, K2, K3 are electrically connected with central control unit respectively, and central control unit provides power supply by reduction voltage circuit.K1, K2, K3 control thick film heater 4, water pump 2, effluent switch 6 respectively.
The flow direction of current was when the present invention worked: the user is placed on water in the storage tank 1, effect through water pump 2, water in the water tank 1 is extracted in the thick film heater 4 by water pump 2, then, slowly flow in the pipeline of these water in thick film heater 4, the shape of pipeline can be spiral, also can be linear, can can realize easily that the present invention does not give unnecessary details by prior art; Water in the thick film heater 4 enters effluent switch 6 from its outlet then; Water inlet thermistor 3 passes to control circuit 9 with the temperature value that records, control circuit 9 sends signal the power of thick film heater 4 is regulated, in addition, delivery port thermistor 3 passes to control circuit 9 with the temperature value that records, when its temperature that records meets the demands, effluent switch 6 is opened, and boiling water flows to faucet 7 backs from effluent switch 6 outlets and flows out.
Above-mentioned thick film heater 4 is that heating resistance wire is imprinted on stainless iron or stainless steel surfaces, energising back Fast Heating, and its thermal efficiency and security are more taller than common heat-generating pipe, therefore, have at present to begin to be applied on the insulating pot.
Embodiment 2:
As shown in Figure 3, the electric heater difference from Example 1 is in the present embodiment: the delivery port 8 of thick film heater 4 is not installed effluent switch 6, but between the delivery port 8 of described thick film heater 4 and water tank 1, be provided with water return pipeline 11, water return pipeline 11 is provided with and is equiped with effluent recycling gauge tap 10, and effluent recycling gauge tap 10 is electrically connected with control circuit 9.When thick film heater 4 stops to heat, control circuit 9 opens it to water outlet backflow gauge tap 10 signals, hot water in the thick film heater 4 is back in the water tank 1, during use, thick film heater 4 heating, effluent recycling gauge tap 10 cuts out, and the hot water in the thick film heater 4 normally flows out from faucet 7.

Claims (10)

1, a kind of electric heater, comprise control circuit (9), water tank (1), water pump (2), the thick film heater (4) that has water inlet (5) and delivery port (8) and faucet (7), water tank (1) is connected by water pipe with water pump (2), the delivery port of water pump (2) is connected with the water inlet (5) of thick film heater (4), the delivery port (8) of thick film heater (4) is connected with faucet (7), it is characterized in that at least one temperature sensor is set on the electric heater, and temperature sensor is connected with control circuit (9).
2, electric heater according to claim 1 is characterized in that described temperature sensor adopts thermistor (3).
3, electric heater according to claim 2, it is characterized in that described thermistor (3) be arranged in the water tank (1) as the water inlet thermistor or the connecting pipe of water tank (1) and thick film heater (4) in.
4, electric heater according to claim 3 is characterized in that also being provided with a delivery port thermistor (3) that is connected with control circuit (9) near the delivery port (8) of described thick film heater (4).
5, electric heater according to claim 1 is characterized in that the delivery port (8) of described thick film heater (4) is equipped with effluent switch (6), and effluent switch (6) is communicated with faucet (7) and is electrically connected with control circuit (9).
6, electric heater according to claim 5 is characterized in that described effluent switch (6) is by electronically controlled magnetic valve.
7, electric heater according to claim 1, it is characterized in that being provided with water return pipeline (11) between the delivery port (8) of described thick film heater (4) and the water tank (1), water return pipeline (11) is provided with and is equiped with effluent recycling gauge tap (10), and effluent recycling gauge tap (10) is electrically connected with control circuit (9).
8, electric heater according to claim 1 is characterized in that described water pump (2) is electrically connected with control circuit (9).
9, electric heater according to claim 1 is characterized in that the delivery port (8) of described thick film heater (4) is in the position of thick film heater (4) periphery or bottom.
10, according to claim 3 or 4 described electric heaters, it is characterized in that an anti-dry temperature sensor (3) also being set in the bottom of thick film heater (4), it is electrically connected with control circuit (9).
CN2009100423772A 2009-09-02 2009-09-02 Electric heater Expired - Fee Related CN101639284B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100423772A CN101639284B (en) 2009-09-02 2009-09-02 Electric heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100423772A CN101639284B (en) 2009-09-02 2009-09-02 Electric heater

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CN101639284A true CN101639284A (en) 2010-02-03
CN101639284B CN101639284B (en) 2012-11-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102313357A (en) * 2011-09-27 2012-01-11 孙希波 Heater for hot-water pipe
CN102357007A (en) * 2011-10-12 2012-02-22 东莞市酷美电子科技有限公司 Instantaneous water dispenser
CN107126099A (en) * 2016-02-27 2017-09-05 湖南康之源科技有限公司 A kind of energy-saving heating system for water dispenser
CN107157321A (en) * 2017-05-11 2017-09-15 浙江绍兴苏泊尔生活电器有限公司 Electric kettle
CN107997584A (en) * 2017-12-22 2018-05-08 胡庆滨 Constant-temperature water discharge device, milk maker and water dispenser

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201052087Y (en) * 2007-04-11 2008-04-30 罗红光 Intelligent vehicle mounted drinking machine
CN101464061B (en) * 2009-01-07 2012-01-25 广东亿龙电器股份有限公司 Heating method for household instant liquid heating mechanism
CN201488238U (en) * 2009-09-02 2010-05-26 美的集团有限公司 Electric heater

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102313357A (en) * 2011-09-27 2012-01-11 孙希波 Heater for hot-water pipe
CN102357007A (en) * 2011-10-12 2012-02-22 东莞市酷美电子科技有限公司 Instantaneous water dispenser
CN107126099A (en) * 2016-02-27 2017-09-05 湖南康之源科技有限公司 A kind of energy-saving heating system for water dispenser
CN107157321A (en) * 2017-05-11 2017-09-15 浙江绍兴苏泊尔生活电器有限公司 Electric kettle
CN107157321B (en) * 2017-05-11 2019-08-13 浙江绍兴苏泊尔生活电器有限公司 Electric kettle
CN107997584A (en) * 2017-12-22 2018-05-08 胡庆滨 Constant-temperature water discharge device, milk maker and water dispenser

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Publication number Publication date
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Owner name: MIDEA GROUP CO., LTD.

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Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28

Patentee after: MIDEA GROUP Co.,Ltd.

Address before: 528311 Penglai Road, Beijiao Town, Foshan District, Guangdong, China,

Patentee before: Midea Group

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121107

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CF01 Termination of patent right due to non-payment of annual fee