CN202709420U - Energy-saving constant-temperature electric water heater - Google Patents
Energy-saving constant-temperature electric water heater Download PDFInfo
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- CN202709420U CN202709420U CN 201220245223 CN201220245223U CN202709420U CN 202709420 U CN202709420 U CN 202709420U CN 201220245223 CN201220245223 CN 201220245223 CN 201220245223 U CN201220245223 U CN 201220245223U CN 202709420 U CN202709420 U CN 202709420U
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Abstract
The utility model relates to an energy-saving constant-temperature electric water heater which comprises a water storage tank. A temperature sensor is arranged in the water storage tank, the water storage tank is provided with a water inlet pipe and a water outlet pipe, a water pump, an electric heating device and a three-way valve are sequentially connected onto a pipeline of the water outlet pipe, a second valve port of the three-way valve is connected with a normally closed electromagnetic valve, the normally closed electromagnetic valve is communicated with the water storage tank via a return water pipe, and a third valve port of the three-way valve is connected with a faucet at a user end; flow meters are respectively disposed on the water inlet pipe and the water outlet pipe, and the flow meter on the water outlet pipe is arranged between the third valve port of the three-way valve and the faucet at the user end; and an electric control valve is mounted on the water inlet pipe and is connected with the corresponding flow meter to control the water storage tank, so that the water inflow and the water outflow of the water storage tank are equal. The energy-saving constant-temperature electric water heater is small in size, low in energy consumption and high in heating speed and water flux, and is applicable to low-water-pressure environments, the temperature of outlet water is constant, and the cost of the water storage tank is low.
Description
Technical field
The utility model relates to a kind of electric heater, particularly a kind of energy-saving constant-temperature electric hydrophone.
Background technology
Traditional electric heater mainly contains two kinds of instant electric water heater and storage type electric water heaters.The instant electric water heater is provided with the large power, electrically heat pipe in less storage metal water tank, usually directly be installed in the bathroom to join with the hot water line, carries out heat temperature raising in user's open water tap, obtains hot water.The advantage of this water heater is that firing rate is fast, and the volume of device is little.Although the instant electric water heater does not need power consumption to keep water temperature when usual, when the open water tap, need sizable electric weight to heat in real time at once, energy consumption is large, has in use simultaneously the potential safety hazard of electric leakage; And the electric current of instant electric water heater when working is larger, and be also higher to the requirement of controller switching equipment and power line, makes that its applicable scope is little, installation cost is high; Instant electric water heater's hot water effluent amount is also less simultaneously, can not well satisfy user's demand.
Because the instant electric water heater exists above-mentioned shortcoming, therefore, a lot of users are partial to select the storage type electric water heater that operating current is little, the water yield is large.Storage type electric water heater mainly is installed on electrothermal tube in the large capacity storage metal water tank, during work in advance with the water in the water tank, be heated to design temperature (between normally 75 ℃～80 ℃), during person's open water tap to be used, by hot-water line emit hot water and with the cold water mix of running water pipe, thereby the water temperature of transferring is suitably used.The advantage of this water heater is that the water yield is large, and operating current is little.But also there is obvious shortcoming in it, at first is bulky, and it is large to take up room, and usually can only be installed on outside the bathroom; Secondly, use for the ease of the user, the inner long term storage of storage tank has hot water, and the water temperature of storage tank inner chamber higher (between normally 75 ℃～80 ℃), large with the external environment temperature difference, heat loss is fast, even the outer surface of casing is provided with insulation material, this water heater still can carry out Automatic-heating warm-keeping because of heat loss after a period of time, cause the loss of the energy; Simultaneously and since when work storage tank inside water temperature higher, thereby storage tank all is to adopt metal pressure container, and need take Insulation, causes the cost of product higher; Then, storage type electric water heater all will be equipped with the cold-hot type tap in use, utilize the high-temperature-hot-water in the storage tank to mix use with the normal-temperature water of running water pipe, and because the hydraulic pressure of the hydraulic pressure of hot water and cold water is not identical and all unstable, the hydraulic pressure of running water pipe is usually larger, therefore can cause the hot water effluent unstable, brings discomfort to the user, special in the low area of some pressure of supply waters, this phenomenon is especially obvious.In addition, when having many people to use storage type electric water heater in turn among the manager, replenish the cold water in the inlet water tank to wait the time that water heats up also long, make troubles to the user.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides that a kind of volume is little, energy consumption is low, firing rate is fast, discharge is large, the storage tank cost low and the energy-saving constant-temperature electric hydrophone of applicable low hydraulic pressure environment.
The technical scheme that the utility model adopts is:
A kind of energy-saving constant-temperature electric hydrophone, be provided with the storage tank of temperature sensor in comprising, storage tank is provided with water inlet pipe and outlet pipe, be connected with water pump, electric heater unit and triple valve in turn at the outlet pipe pipeline, the second valve port of triple valve is connected with normally closed solenoid valve, normally closed solenoid valve is communicated with storage tank by return pipe, the 3rd valve port of triple valve is connected with the tap of user side, the plastics vessels not under pressure of described storage tank for communicating with atmosphere, the water temperature control range value in the storage tank is 30～45 ℃; Be respectively arranged with flowmeter on described water inlet pipe and the outlet pipe, the flowmeter on the described outlet pipe is arranged between the tap of the 3rd valve port of triple valve and user side; Be equipped with on the described water inlet pipe and be connected the motor-operated control valve that control storage tank inflow equates with water yield with flowmeter.
The design's electric heater combines traditional instant electric water heater and the advantage of storage type electric water heater, adopt the mode of two-step heating to work, before the user need to use hot water, be lower than design temperature such as the water temperature in the water tank, the control system of water heater just utilizes water pump and electric heater unit in advance the water suction circulation of storage tank to be warming up to 30～45 ℃ that are higher than conventional temperature, when the user needs water, the tap of user side is opened, the hydraulic pressure of electric heater unit water outlet side reduces, electric heater unit energising work, to within the hot water utmost point short time that storage tank flows out, be heated to the shower water temperature that the user sets, for people to use.Because adopt the mode of two-step heating to work, the water temperature in the storage tank is controlled between 30～45 ℃, less with the extraneous temperature difference, thermal loss is slow, so the storage tank of this product can adopt the plastics vessels not under pressure that communicates with atmosphere, the saving production cost.In addition, in order to guarantee in use constant-temperature effluent of electric heater, the design's electric heater is respectively arranged with flowmeter at water inlet pipe and outlet pipe, and at water inlet pipe the motor-operated control valve that is connected with flowmeter being installed, motor-operated control valve is adjusted the inflow of water inlet pipe according to the flow information of two flowmeters feedbacks, the inflow of control storage tank equates with water yield, it is not intermittent making the moisturizing in the storage tank, and keeps constant water outlet and moisturizing, thereby has guaranteed constant-temperature effluent.
The beneficial effects of the utility model are: owing to adopt the structure of above-mentioned secondary heating, this product has overcome the shortcoming of traditional structure electric heater, and this energy-conservation thermostatic electric water heater has following advantage: 1, volume is little, does not take up room; 2, power is low, and electric current is little; 3, the water yield is large; 4, stable water pressure goes out water termostat; 5, waiting time lacks, and even need not wait for; 6, adopt water pump to supply water the environment that applicable hydraulic pressure is low; 7, heating is fast, and the heat consumption is lost little, energy-saving water-saving.
Preferably, described electric heater unit is the water outlet flow electric heater unit.
Preferably, the height of water level for the ease of in the control storage tank is provided with water level controller in the described storage tank, and further, described water level controller is ball-cock assembly.
Preferably, in order to prevent dry-fire condition, described storage tank is provided with low water level controller, crosses when low when water level, and electric heater quits work.
Preferably, for the ease of the cleaning of storage tank, the bottom of described storage tank is provided with blowoff valve.
Preferably, described water temperature control range value has 4 grades, is respectively 30 ℃, 35 ℃, 40 ℃, 45 ℃ gears, and the user can select different gears in Various Seasonal, as selecting 30 ℃ of shelves summer, saves the part energy; Select 45 ℃ winter, guarantee that the temperature of water outlet is enough high.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of water outlet flow electric heater unit.
Drawing reference numeral explanation: 1, storage tank, 2, water level controller, 3, water pump, 4, electric heater unit, 5, triple valve, the 51, first valve port, the 52, second valve port, 53, the 3rd valve port, 6, normally closed solenoid valve, 7, motor-operated control valve, 8, blowoff valve, 9, tap, 10, low water level controller, 11, water inlet pipe, 12, outlet pipe, 13, return pipe, 14, temperature sensor, 15, flowmeter, 16, flowmeter.
The specific embodiment
With reference to shown in Figure 1, a kind of energy-saving constant-temperature electric hydrophone, be provided with the storage tank 1 of temperature sensor 14 in comprising, storage tank 1 is provided with water inlet pipe 11 and outlet pipe 12, be connected with water pump 3, electric heater unit 4 in turn at outlet pipe 12 pipelines, the first valve port 51 of the outlet pipe connecting tee valve 5 of electric heater unit 4, the second valve port 52 of triple valve 5 is connected with normally closed solenoid valve 6, normally closed solenoid valve 6 is communicated with storage tank 1 by return pipe 13, and the 3rd valve port 53 of triple valve 5 is connected with the tap 9 of user side; In addition, be respectively arranged with flowmeter 15,16 on described water inlet pipe 11 and the outlet pipe 12, the flowmeter 16 on the described outlet pipe 12 is arranged between the tap 9 of the 3rd valve port 53 of triple valve 5 and user side; The motor-operated control valve 7 that is connected with flowmeter 15,16 is installed on the water inlet pipe 11.
The design's the electric heater unit 4 preferred water outlet flow electric heater units that adopt, its structure can adopt patent application " electric heating device capable of controlling water outlet flow quantity " (patent No. 03223068.0), or disclosed heater in " a kind of electric heater of anti-dry " (patent No. 200820201008.4), as shown in Figure 2, this electric heater unit is that the slot-shaped circulating-heating water channel that utilizes a plurality of cellular construction stacks to form heats current, it is fast to have heating, efficient is high, not the advantage such as scaling.Certainly, also can adopt other any firing equipment.
This energy-conservation thermostatic electric water heater is owing to adopt two-step heating, user's water in the storage tank 1 before water is preheated to 30～45 ℃, compare with traditional large capacity storage type electric water heater, because forward and backward the having a narrow range of temperature of heating, thermal loss is little, the electric weight that consume this moment is most economical, and the time that preheats that reaches simultaneously insulation is also extremely short.Needs according to Various Seasonal, the design can be made as the preheat temperature scope of storage tank 14 gears, respectively 30 ℃, 35 ℃, 40 ℃, 45 ℃ gears, when summer, environment temperature was high, use 30 ℃ control gear, use 35 ℃ control gear when spring, autumn, at 40 ℃ the control gear of then using winter of cold, in order to adapt to the special hot water requirement of using, 45 ℃ higher temperature control gear can be set also.
When the user needs water, the tap 9 of user side is opened, the hydraulic pressure of electric heater unit 4 water outlet sides reduces, heater 4 energising work, to within the hot water utmost point short time that storage tank 1 flows out, be heated to the shower water temperature that the user sets, can supply with the user and use, and not need and re-use after running water mixes.In addition, in order to guarantee electric heater constant-temperature effluent when the user uses, the design's electric heater is respectively arranged with flowmeter 15,16 at water inlet pipe 11 and outlet pipe 12, and the motor-operated control valve 7 that is connected with flowmeter 15,16 is installed at water inlet pipe 11, motor-operated control valve 7 is according to the flow information of two flowmeters 15,16 feedbacks, adjust the inflow of water inlet pipe 11, the inflow of control storage tank 1 equates with water yield, make the hydraulic pressure in the storage tank 1 keep constant, thereby guaranteed constant-temperature effluent.Because the design utilizes water pump 3 to supply water, therefore, can be the user sufficient hot water is provided, also solved the regional unsettled problem that supplies water of low hydraulic pressure simultaneously.
During work, the energy-saving constant-temperature electric hydrophone is controlled by temperature control system, take summer as example, when the water in the storage tank does not reach 30 ℃, water pump 3 and 4 work of water outlet flow electric heater unit, simultaneously normally closed solenoid valve 6 energisings are opened,------------normally closed solenoid valve 6---return pipe 13---is back to storage tank 1 to triple valve 5 to electric heater unit 4 to water pump 3 to cold water in the storage tank 1 through outlet pipe 12, and the constantly heating that circulates, water pump 3 and water outlet flow electric heater unit 4 quit work when reaching the design temperature of storage tank 1, and normally closed solenoid valve 6 outages are normally closed; When the user needs water, the tap 9 of fetching boiling water, water pump 3 and 4 work of water outlet flow electric heater unit, current are heated to the water temperature that the user sets up by water outlet flow electric heater unit 4 time, the hot water supply user is used.
When electric water heater system is in the circulation intensification, such as user's open water tap 9 waters, under the control of automatic control circuit, normally closed solenoid valve 6 dead electricity are closed, hot water is flowed out by user side, and simultaneously motor-operated control valve 7 equates with water yield according to flowmeter 15,16 feedback information control inflow; As when finding that water temperature is not enough, only must close the user side tap, waiting a moment the short time can obtain hot water, in actual applications, the design carries out reasonable disposition to the power of electric heater unit 4, under the prerequisite that satisfies water demand fully, the coolant-temperature gage of user side remains at 60 ℃ with interior any controlling value.
Because adopting the mode of two-step heating works, water temperature in the storage tank 1 is controlled between 30～45 ℃, less with the extraneous temperature difference, thermal loss is slow, and owing to the setting of water pump 3, the design's storage tank 1 does not need to adopt special pressure vessel simultaneously, therefore can adopt low, the durable plastic containers of cost, this container can directly communicate with atmosphere, and plastic containers can also be made into various shape, for the user provides more more options.
Preferably, in order to control the height of water level of storage tank 1, be provided with water level controller 2 in the storage tank 1, described water level controller 2 is ball-cock assembly, does not certainly also get rid of the water-level control apparatus that uses other pattern.
For the water level that prevents storage tank 1 is excessively low, affect work, be provided with low water level controller 10 in the storage tank 1.
After the long-time use of water tank, the user may need to clean or the cleaning water tank cavity, for easy to operate, is provided with blowoff valve 8 in the bottom of storage tank 1.
Certainly, the utility model is not limited to the above embodiments, be equal to the utility model or similarly technical scheme also should belong within the protection domain of the present utility model.
Claims (7)
1. energy-saving constant-temperature electric hydrophone, be provided with the storage tank (1) of temperature sensor (14) in comprising, storage tank (1) is provided with water inlet pipe (11) and outlet pipe (12), be connected with water pump (3) in turn at outlet pipe (12) pipeline, electric heater unit (4) and triple valve (5), second valve port (52) of triple valve (5) is connected with normally closed solenoid valve (6), normally closed solenoid valve (6) is communicated with storage tank (1) by return pipe (13), the 3rd valve port (53) of triple valve (5) is connected with the tap of user side, it is characterized in that: the plastics vessels not under pressure of described storage tank (1) for communicating with atmosphere, the water temperature control range value in the storage tank (1) is 30～45 ℃; Be respectively arranged with flowmeter (15,16) on described water inlet pipe (11) and the outlet pipe (12), the flowmeter (16) on the described outlet pipe (12) is arranged between the tap of the 3rd valve port (53) of triple valve (5) and user side; Be equipped with on the described water inlet pipe (11) and be connected the motor-operated control valve (7) that control storage tank (1) inflow equates with water yield with flowmeter (15,16).
2. a kind of energy-saving constant-temperature electric hydrophone according to claim 1, it is characterized in that: described electric heater unit (4) is the water outlet flow electric heater unit.
3. a kind of energy-saving constant-temperature electric hydrophone according to claim 1 is characterized in that: be provided with water level controller (2) in the described storage tank (1).
4. a kind of energy-saving constant-temperature electric hydrophone according to claim 2, it is characterized in that: described water level controller (2) is ball-cock assembly.
5. a kind of energy-saving constant-temperature electric hydrophone according to claim 1, it is characterized in that: described storage tank (1) is provided with low water level controller (10).
6. a kind of energy-saving constant-temperature electric hydrophone according to claim 1, it is characterized in that: the bottom of described storage tank (1) is provided with blowoff valve (8).
7. a kind of energy-saving constant-temperature electric hydrophone according to claim 1, it is characterized in that: described water temperature control range value has 4 grades, is respectively 30 ℃, 35 ℃, 40 ℃, 45 ℃ gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220245223 CN202709420U (en) | 2012-05-28 | 2012-05-28 | Energy-saving constant-temperature electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220245223 CN202709420U (en) | 2012-05-28 | 2012-05-28 | Energy-saving constant-temperature electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202709420U true CN202709420U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220245223 Expired - Fee Related CN202709420U (en) | 2012-05-28 | 2012-05-28 | Energy-saving constant-temperature electric water heater |
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| Country | Link |
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| CN (1) | CN202709420U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679534A (en) * | 2012-05-28 | 2012-09-19 | 张秀英 | Energy-saving constant temperature electric water heater |
| CN113758023A (en) * | 2021-09-13 | 2021-12-07 | 厦门阿玛苏电子卫浴有限公司 | Constant-temperature integrated water heater and control method thereof |
-
2012
- 2012-05-28 CN CN 201220245223 patent/CN202709420U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679534A (en) * | 2012-05-28 | 2012-09-19 | 张秀英 | Energy-saving constant temperature electric water heater |
| CN113758023A (en) * | 2021-09-13 | 2021-12-07 | 厦门阿玛苏电子卫浴有限公司 | Constant-temperature integrated water heater and control method thereof |
| CN113758023B (en) * | 2021-09-13 | 2023-12-19 | 厦门阿玛苏电子卫浴有限公司 | Control method of constant-temperature integrated water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20140528 |