CN203375727U - Water heater - Google Patents
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- Publication number
- CN203375727U CN203375727U CN201320383055.6U CN201320383055U CN203375727U CN 203375727 U CN203375727 U CN 203375727U CN 201320383055 U CN201320383055 U CN 201320383055U CN 203375727 U CN203375727 U CN 203375727U
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- temperature
- heater
- water
- water tank
- detecting device
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Abstract
The utility model discloses a water heater which comprises a water tank used for storing water, a temperature detecting device, a heating device and a controller. The temperature detecting device is arranged in the water tank to detect the temperature in the water tank, the heating device is arranged on the water tank to heat the water in the water tank, and the controller is connected with the temperature detecting device and the heating device to control the heating device to be turned on or turned off according to a temperature detecting value measured by the temperature detecting device. The water heater is simple in structure, more accurate in heating control over the water tank and more convenient for a user to use.
Description
Technical field
The utility model relates to the water heater arrangement field, especially relates to a kind of water heater.
Background technology
Existing water heater is generally in water tank, to be full of after water to start shooting to be heated, but sometimes due to operating personnel's reasons such as general idea, water heater is probably started shooting and is heated in anhydrous situation in water tank, the dry combustion method of water heater will be caused like this, the damage of water heater key components and parts may be caused in this situation.
The utility model content
The utility model is intended at least solve one of technical problem existed in prior art.
For this reason, the utility model need to provide a kind of water heater, and this water heater is not only simple in structure, and to water tank to add thermal control more accurate, convenient user's use.
According to water heater of the present utility model, comprising: for the water tank of water storage; Temperature-detecting device, described temperature-detecting device is located in described water tank to detect temperature in described water tank; Heater, described heater is located on described water tank with the water in heating water tank; And controller, described controller is connected with described temperature-detecting device and described heater and controls described heater unlatching or cut out with the temperature detection value measured according to described temperature-detecting device.
According to water heater of the present utility model, by controller is set, thereby can control temperature-detecting device is detected the temperature in water tank, and control heater according to measured temperature detection value and open or close, for example, when measured temperature detection value during higher than predetermined temperature, can control heater stop work,, can control heater and proceed heating, to reach needed temperature requirement during lower than predetermined temperature when measured temperature detection value.Therefore, not only simple in structure according to water heater of the present utility model, and to water tank to add thermal control more accurate, convenient user's use.
In addition, also can there is following additional technical feature according to water heater of the present utility model:
According to an embodiment of the present utility model, described controller comprises: the temperature detection control module, and described temperature detection control module is connected with described temperature-detecting device; The heater control module, described heater control module is connected with described heater; Judge module, described judge module is connected to receive the measured temperature of described temperature-detecting device and controls described heater according to this temperature and open or close with described temperature detection control module and described heater control module.
According to an embodiment of the present utility model, described heater is electrical heating, and described temperature-detecting device is located in described water tank and contiguous its top arranges, and described temperature-detecting device is positioned on described electrical heating.
According to an embodiment of the present utility model, described heater is heat(ing) coil, and described heat(ing) coil is around described tank inner wall setting.Can make thus heat(ing) coil more even to the heating of water in water tank.
According to an embodiment of the present utility model, described heater is heat(ing) coil, and described heat(ing) coil is around described tank outer wall setting.Can make thus heat(ing) coil more even to the heating of water in water tank.
According to an embodiment of the present utility model, described temperature-detecting device is temperature sensor.Can reduce the manufacturing cost of water heater thus.
According to an embodiment of the present utility model, described temperature-detecting device is a plurality of and interval is located in described water tank.By a plurality of temperature-detecting devices are set, thereby can make temperature-detecting device more accurate to the detection of the temperature in water tank.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structure cutaway view according to the water heater of an embodiment of the utility model;
Fig. 2 is the structure cutaway view according to the water heater of another embodiment of the utility model;
Fig. 3 is the structure cutaway view according to the water heater of another embodiment of the utility model;
Fig. 4 is the flow chart according to the anti-dry control method of the water heater of an embodiment of the utility model;
Fig. 5 is the flow chart according to the anti-dry control method of the water heater of another embodiment of the utility model.
Description of reference numerals
Water tank 1; Temperature-detecting device 2; Heater 3.
The specific embodiment
Below describe embodiment of the present utility model in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the indication such as term " interior ", " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Describe the water heater 100 according to the utility model embodiment below with reference to Fig. 1 to Fig. 3, this water heater 100 is the hot water with supply people life, work etc. for heating water.
As shown in Figure 1 to Figure 3, comprise water tank 1, temperature-detecting device 2, heater 3 and the controller (scheming not shown) for water storage according to the water heater 100 of the utility model embodiment.
Particularly, it is interior to detect temperature in described water tank that temperature-detecting device 2 is located at water tank 1, and heater 3 is located on water tank 1 with the water in heating water tank.Alternatively, heater 3 can be located at water tank 1 inside, or also can be located at water tank 1 outside.Wherein, controller is connected with temperature detection value control heater 3 unlatchings measured according to temperature-detecting device 2 or cuts out with temperature-detecting device 2, heater 3.
Here be understandable that, this controller can be controlled 2 pairs of interior temperature of described water tank 1 of this temperature-detecting device and be detected, to obtain temperature detection value, this controller can also be controlled 3 pairs of water tanks of heater 1 and carry out heat treated, and this controller can be measured according to temperature-detecting device 2 temperature detection value judge in water tank 1 whether there is enough water, can prevent thus water tank 1 dry combustion method.Wherein, the anti-dry control method of this water heater will be described in following content.
Particularly, controller can comprise temperature detection control module, heater 3 control modules and judge module.The temperature detection control module is connected with temperature-detecting device 2, with the temperature of utilizing this temperature detection control module to control in 2 pairs of water tanks of temperature-detecting device 1, is detected.Heater 3 control modules are connected with heater 3, to utilize these heater 3 control modules to control heater 3, open or close.Wherein, judge module is connected with temperature detection control module and heater 3 control modules, to receive the measured temperature of temperature-detecting device 2 and to control heater 3 according to this temperature and open or close.Particularly, can and pass through front and back more at certain time intervals, the variation of the temperature in water tank 1 judges in water tank 1 whether have enough water, and then determines whether that needing to start 3 pairs of water tanks of heater 1 carry out heat treated.
As shown in Figure 1, in embodiment more of the present utility model, heater 3 can be electrical heating, and temperature-detecting device 2 is located in water tank 1 and the top of contiguous water tank 1 arranges, and temperature-detecting device 2 is positioned on electrical heating.The temperature that temperature-detecting device 2 detects like this is the interior upper space temperature of water tank 1 or the temperature of upper water.
As shown in Figure 2, in other embodiment of the present utility model, heater 3 can also be heat(ing) coil, and heat(ing) coil is around water tank 1 inwall setting, and it is inner and around the madial wall setting of water tank 1 that heat(ing) coil is located at water tank 1.Can make thus heat(ing) coil more even to the heating of water tank 1 interior water.
Particularly, heat(ing) coil can be connected with outside hot water source, carries out heat exchange by the water in hot water source and water tank 1, to reach the purpose of heating water tank 1.Wherein, alternatively, according to water heater 100 of the present utility model, can be Teat pump boiler, heat(ing) coil can be connected with the evaporimeter of heat pump, and heat(ing) coil can be heated the water in water tank 1 by the mode of heat exchange.Wherein be understandable that, the structure of heat pump and principle are known to those skilled in the art, are not described in detail in this.
Certainly the utility model is not limited to this, in other embodiment of the present utility model, as shown in Figure 3, heater 3 is heat(ing) coil, and heat(ing) coil is around water tank 1 outer wall setting, it is outside and around the lateral wall setting of water tank 1 that heat(ing) coil is located at described water tank 1.Can make thus heat(ing) coil more even to the heating of the water in water tank 1.
In optional embodiment more of the present utility model, temperature-detecting device 2 can be temperature sensor.Because the temperature sensor price is low, thereby by temperature-detecting device 2 is made as to the manufacturing cost that temperature sensor can reduce water heater 100.
In preferred embodiments more of the present utility model, temperature-detecting device 2 is located in water tank 1 for a plurality of and interval.As shown in Figure 1-Figure 3, the measured temperature of a plurality of temperature-detecting devices 2 can average to obtain the temperature in more accurate water tank 1, that is to say, by a plurality of temperature-detecting devices 2 are set, thereby can make the detection of the temperature in 2 pairs of water tanks of temperature-detecting device 1 more accurate.
Particularly, as shown in Figure 1, when heater 3 is electrical heating, a plurality of temperature-detecting devices 2 can be respectively adjacent to water tank 1 top and arrange.As shown in Figures 2 and 3, when heater 3 is heat exchanger tube, a plurality of temperature-detecting devices 2 can be evenly distributed in the inner setting of water tank 1.
Below with reference to Fig. 4 and Fig. 5, the anti-dry control method according to water heater 100 of the present utility model is described.At first it should be noted that, during water shortage in water tank 1, heated if now open heater 3, probably heater 3 is caused to damage, for example electrical heating may be burnt, or, when water heater 100 is Teat pump boiler, probably the parts such as compressor be caused to damage.
Particularly, this control method comprises the steps:
S10, control temperature-detecting device 2 detect the interior temperature of water tanks 1 to obtain the first temperature value T0.That is to say, before 3 pairs of water tanks 1 of heater are heated, at first by the temperature in 2 pairs of water tanks of temperature-detecting device 1, detected, and obtain the first temperature value T0.
S20,3 pairs of water tanks 1 of control heater are heated, and after heater H 3 running time, again detect the interior temperature of water tank 1 to obtain the second temperature value Th.
S30, the second temperature value Th and the first temperature value T0 and temperature rise preset value delta t sum are compared, to determine in water tank 1, whether there is enough water.
Anti-dry control method according to the water heater 100 of the utility model embodiment, can be under the prerequisite that does not increase water heater 100 costs, by before the heating in water tank 1 and the temperature after heating compare, thereby can determine in water tank 1 and whether there is enough water, can guarantee that thus heater 3 dry-fire condition can not occur, avoid heater 3 is caused to damage, increase the service life, improve the security performance of water heater 100.
Particularly, in a specific embodiment of the present utility model, as shown in Figure 2, in step S30, can comprise following situation:
S31, when Th≤T0+ Δ t, control 3 pairs of water tanks 1 of heater and proceed heating;
S32, when Th>T0+ Δ t, control heater 3 and stop water tank 1 is heated.
Here it will be appreciated that the water shortage in water tank 1, for example maximum conditions: in the interior anhydrous situation of water tank 1, the first temperature value T0 and the shown temperature that is water tank 1 inner air of the second temperature value Th; When the water yield in water tank 1 is sufficient, the first temperature value T0 and the shown temperature that is water tank 1 internal water of the second temperature value Th.
The speed that the speed raise due to the air heating temperature raises faster than water temperature, so when Th>T0+ Δ t, the first temperature value T0 and the shown temperature that is water tank 1 inner air of the second temperature value Th are described, it is the water shortage in water tank 1, should close heater 3, stop water tank 1 is heated, prevent dry combustion method; When Th≤T0+ Δ t, illustrate the first temperature value T0 and the second temperature value Th shown be the temperature of water tank 1 internal water, the water yield in water tank 1 is enough, can carry out work according to the normal procedure of water heater 100, for example can proceed heating to water tank 1.
Particularly, in another specific embodiment of the present utility model, as shown in Figure 3, in step S30, can comprise following situation:
S33, when Th≤T0+ Δ t, control 3 pairs of water tanks 1 of heater and proceed heating;
S34, when Th>T0+ Δ t, control water replanishing device water tank 1 carried out to moisturizing.
Different from above-mentioned specific embodiment, when Th>T0+ Δ t, can control water replanishing device water tank 1 is carried out to moisturizing, now can make heater 3 keep the duty of heating, can avoid thus frequently opening or closing heater 3.
In preferred embodiments more of the present utility model, temperature-detecting device 2 for a plurality of and in step S10 and step S20 respectively to a plurality of temperature-detecting devices 2 the measured interior temperature value of water tank 1 averaged to obtain corresponding the first temperature value T0 and the second temperature value Th.In other words, the first temperature value T0 and the second temperature value Th can be mean value, can make thus measured temperature more accurate.
In examples more of the present utility model, this running time, the scope of H can be 0～30min.Preferably, this running time H scope can be 5～10min.Can avoid under the prerequisite of test error thus, dwindle the maximum running time of heater 3, more effectively avoid heater 3 that the dry combustion method phenomenon occurs.
Here it should be noted that, temperature rise preset value delta t is determined by the parameters such as heating power of the volume of water tank 1, heater 3, and for different water heater 100, this temperature rise preset value delta t is different, and this temperature rise preset value delta t can be recorded by experiment.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (7)
1. a water heater, is characterized in that, comprising:
Water tank for water storage;
Temperature-detecting device, described temperature-detecting device is located in described water tank to detect temperature in described water tank;
Heater, described heater is located on described water tank with the water in heating water tank; And
Controller, described controller is connected with described temperature-detecting device and described heater and controls described heater unlatching or cut out with the temperature detection value measured according to described temperature-detecting device.
2. water heater according to claim 1, is characterized in that, described controller comprises:
The temperature detection control module, described temperature detection control module is connected with described temperature-detecting device;
The heater control module, described heater control module is connected with described heater; And
Judge module, described judge module is connected to receive the measured temperature of described temperature-detecting device and controls described heater according to this temperature and open or close with described temperature detection control module and described heater control module.
3. water heater according to claim 1 and 2, is characterized in that, described heater is electrical heating, and described temperature-detecting device is located in described water tank and contiguous its top arranges, and described temperature-detecting device is positioned on described electrical heating.
4. water heater according to claim 1 and 2, is characterized in that, described heater is heat(ing) coil, and described heat(ing) coil is around described tank inner wall setting.
5. water heater according to claim 1 and 2, is characterized in that, described heater is heat(ing) coil, and described heat(ing) coil is around described tank outer wall setting.
6. water heater according to claim 1, is characterized in that, described temperature-detecting device is temperature sensor.
7. the water heater of stating according to claim 6, is characterized in that, described temperature-detecting device is a plurality of and interval is located in described water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320383055.6U CN203375727U (en) | 2013-06-28 | 2013-06-28 | Water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320383055.6U CN203375727U (en) | 2013-06-28 | 2013-06-28 | Water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203375727U true CN203375727U (en) | 2014-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320383055.6U Expired - Fee Related CN203375727U (en) | 2013-06-28 | 2013-06-28 | Water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203375727U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251559A (en) * | 2013-06-28 | 2014-12-31 | 广东美的暖通设备有限公司 | Water heater and anti-dry-heating control method thereof |
| CN108158411A (en) * | 2018-03-07 | 2018-06-15 | 佛山市顺德区美的饮水机制造有限公司 | Anti-dry control method, anti-dry control system and drinking device |
-
2013
- 2013-06-28 CN CN201320383055.6U patent/CN203375727U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251559A (en) * | 2013-06-28 | 2014-12-31 | 广东美的暖通设备有限公司 | Water heater and anti-dry-heating control method thereof |
| CN108158411A (en) * | 2018-03-07 | 2018-06-15 | 佛山市顺德区美的饮水机制造有限公司 | Anti-dry control method, anti-dry control system and drinking device |
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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: 20140101 |