CN201401948Y - Anti-freeze drainage device of water heater - Google Patents
Anti-freeze drainage device of water heater Download PDFInfo
- Publication number
- CN201401948Y CN201401948Y CN2009201523171U CN200920152317U CN201401948Y CN 201401948 Y CN201401948 Y CN 201401948Y CN 2009201523171 U CN2009201523171 U CN 2009201523171U CN 200920152317 U CN200920152317 U CN 200920152317U CN 201401948 Y CN201401948 Y CN 201401948Y
- Authority
- CN
- China
- Prior art keywords
- magnetic valve
- water heater
- water
- control module
- module
- 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
Links
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides an anti-freeze drainage device of a water heater. The anti-freeze drainage device comprises a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a temperature sensor and a control unit, wherein the first electromagnetic valve is arranged on a water inlet pipe of the water heater, the second electromagnetic valve is arranged between the first electromagnetic valve and the water heater and located on the water inlet pipe; the other end of the second electromagnetic valve is communicated with the atmosphere; the third electromagnetic valve is arranged on a water outlet pipe of the water heater; the other end of the third electromagnetic valve is communicated with the atmosphere; the temperature sensor is used for detecting the temperature of the water pipes inside the water heater or the ambient temperature; and the control unit is connected with the electromagnetic valves and the temperature sensor (6) to form a controlloop. When in use, the anti-freeze drainage device not only can achieve the automatic anti-freeze function according to signals from the temperature sensor, but also can consume less power energy.
Description
Technical field
The utility model relates to a kind of water heater, is meant a kind of antifreeze drainage arrangement of water heater especially.
Background technology
Water heater is after using winter, because the user can not well remove the ponding of water tank the inside, can cause temperature to reduce the back water heater conduit and split because of ponding freezes to expand to rise.Mainly solve this problem at present by increase temperature sensor and de-icer on water heater.When temperature is lower than preset temperature, the de-icer heating pipe.The patent No. is the gas heater defroster that the Chinese patent of ZL200520061531.8 discloses a kind of efficient heating.It comprises electrical control gear, circulating water pipe and heat exchanger, the pipeline of described heat exchanger is provided with temperature sensor, described circulating water pipe is provided with heater, and the temperature sensor contact that is provided with connection and break-off signal value is connected in series the back by lead and is electrically connected with electrical control gear with heater.When adopting heating means antifreeze, realized signal automatic freezing-protective, but heater can consume more electric energy, causes the wasting of resources according to temperature sensor.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of antifreeze drainage arrangement of water heater, consumes electric energy still less when realizing the signal automatic freezing-protective according to temperature sensor again.
For solving the problems of the technologies described above, the utility model provides a kind of antifreeze drainage arrangement of water heater, comprising: be arranged on first magnetic valve on the heater inleting pipe; Be arranged between this first magnetic valve and the water heater and be positioned at second magnetic valve on the described water inlet pipe, this second magnetic valve other end is communicated with atmosphere; Be arranged on the 3rd magnetic valve on the water heater outlet, the 3rd magnetic valve other end is communicated with atmosphere; Be used to detect the temperature sensor of water heater inner conduit temperature or environment temperature; And control module, connect and compose control loop with each magnetic valve and described temperature sensor.
Water heater is freezing because water pipe ponding freezes to be caused, as long as discharge the water in the water pipe, has just realized antifreeze.As seen from the above, control module can be in suitable according to the signal of temperature sensor, after for example temperature is lower than preset temperature or is lower than the preset temperature certain time, water inlet pipe can be closed by closing first magnetic valve, and open second, third magnetic valve, can directly the water among the water heater conduit be discharged.Again because the electric energy that the control magnetic valve needs is than low many of de-icer, so the electric energy that is consumed still less.
Preferable, being communicated with breather pipe on the water inlet pipe sidewall of this device, described second magnetic valve is arranged on this breather pipe, and/or is communicated with drainpipe on the outlet pipe sidewall, and described the 3rd magnetic valve is arranged on this drainpipe.Described breather pipe or drainpipe are provided with the drainage arrangement that is electrically connected with control module; Described control module also is used for starting described drainage arrangement when control first closed electromagnetic valve and the unlatching of second and third magnetic valve.Described drainage arrangement is water pump or air pump.
By last, by drainage arrangement is set, can provide extra power, make draining more rapid.And, water pump can be set as required, water is extracted out, air pump perhaps is set, by the mode of injecting air water is ejected.
Wherein, described first magnetic valve is a normally open solenoid valve, and described second magnetic valve, the 3rd magnetic valve are normally closed solenoid valves, or described first and second and three magnetic valves are bistable electromagnetic valve; Described control module is used to receive temperature sensor when detecting the signal that sends when temperature is lower than setting value, controls first closed electromagnetic valve and second and third magnetic valve is opened.
As seen from the above, under the situation of normal water flowing, each magnetic valve is not consumed power, more economize on electricity all.
Preferable, described control module comprises: power-saving module, be used to judge that described second and third magnetic valve is opened setting-up time after, control described second and third closed electromagnetic valve.
As seen from the above, after opening described second, third magnetic valve Preset Time, draining is finished.This moment, second, third magnetic valve dead electricity was closed, and had only just consumed power of first magnetic valve.Can further reduce the antifreeze electric energy that consumes.
Optionally, described device also comprises: whether with the detector that described control module is electrically connected, being used to detect the water heater inner conduit has water; Described control module is used to also receive that detector detects the water heater inner conduit when anhydrous, controls described second and third closed electromagnetic valve.
As seen from the above,, finish, just can control second, third magnetic valve dead electricity and close, have only just consumed power of first magnetic valve when judging draining by detector is set.Can further reduce the antifreeze electric energy that consumes.
Optionally, described detector comprises one of following: the inductance that passes through of be arranged on level switch in the water heater inner conduit, pressing close to the setting of water heater inner conduit changes the inductive detector that judges whether water, presses close to the inductive detector that capacitance variations judges whether water that passes through of water heater inner conduit setting.
By last, can be provided with as required, implementation is various.
Preferably, described device also comprises the display unit that is electrically connected with control module, is used for when control module is controlled each magnetic valve corresponding state being shown.
As seen from the above, to carry out different display modes be the information of just finishing in draining or draining for the user provides relevant water heater to display unit.
Wherein, described device also comprises: force button, send the pressure conversion instruction when being used to be pressed; Described control module also comprises: force the conversion judge module, when being used to receive described pressure conversion instruction, judge whether first magnetic valve closes; With pressure conversion Executive Module, be used for forcing the conversion judge module to judge that first magnetic valve is when opening, close described first magnetic valve and open described second, third magnetic valve, force the conversion judge module to judge that first magnetic valve when cutting out, opens described first magnetic valve and cut out described second, third magnetic valve.
As seen from the above, utilize and force conversion, the residing state of water heater can be forced conversion.That is, force to be converted to anhydrous antifreeze state (first magnetic valve gets electric cutting out, and other magnetic valve is opened draining and finished), perhaps force to be converted to the state of water flowing from anhydrous antifreeze state from the state (the equal dead electricity of each magnetic valve) of water flowing.This just for the user to the manual intervention of antifreeze state provide may, increased the human oriented design of water heater.
Description of drawings
Fig. 1 is the structure chart of the antifreeze drainage arrangement of water heater;
Fig. 2 is the position view of temperature sensor among the embodiment;
Fig. 3 be among the embodiment control module according to the flow chart of the switch of each magnetic valve of signal controlling of temperature sensor;
Fig. 4 is for realizing forcing the flow chart of translation function;
Fig. 5 is the schematic diagram of control circuit.
The specific embodiment
Is example below in conjunction with accompanying drawing with the gas heater, and present embodiment is elaborated.
Fig. 1 is the structure chart of the antifreeze drainage arrangement of water heater.As shown in the figure, antifreeze drainage arrangement of the present utility model comprises and is located at the temperature sensor 6 that is used to detect water heater inner conduit temperature or environment temperature on the water heater, and with heater inleting pipe 11 that water heater water inlet 1 links to each other on be provided with first magnetic valve 12, between described first magnetic valve 12 and water heater water inlet 1, be provided with the breather pipe 21 that is communicated with water inlet pipe 11, and on this breather pipe 21, being provided with second magnetic valve 22, breather pipe 21 other ends have the blow vent 2 that communicates with atmosphere; With water heater outlet 41 that water heater delivery port 4 links to each other on be communicated with drainpipe 31, and on this drainpipe 31, be provided with the 3rd magnetic valve 32, drainpipe 31 is connected with the discharge outlet 3 of drainage arrangement;
The schematic diagram of control circuit as shown in Figure 5 also is provided with control module 5 on water heater, be connected to form control loop with each magnetic valve 12,22,32 and described temperature sensor 6, is used for the switch according to described each magnetic valve of signal controlling of temperature sensor 6.
Water heater is freezing because water heater inner conduit ponding freezes to be caused, as long as discharge the water in the water heater inner conduit, has just realized antifreeze.Control module 5 can be implemented under the appropriate condition according to the signal of temperature sensor 6, for example when temperature sensor 6 detects temperature and is lower than preset temperature, can control the water of discharging in the water heater inner conduit by the switch of controlling each magnetic valve according to its testing result.Again because the electric energy that the control electromagnetic valve switch needs is than low many of de-icer, so the electric energy that is consumed still less.The principle that hereinafter will be in conjunction with the accompanying drawings further introduce draining when antifreeze.
In the present embodiment, discharge outlet 3 places of drainpipe 31 also additionally are connected to drainage arrangement, as micro pump, and the flow dynamic during with the increase draining, and described discharge outlet 3 is lower than the position of the blow vent 2 of breather pipe 21.When antifreeze draining, the water in the water heater inner conduit will be discharged from discharge outlet 3.Certainly, also can be connected to drainage arrangement at described blow vent 2 places, and described blow vent 2 is lower than described discharge outlet 3, when antifreeze draining, the water among the water heater conduit will utilize gravity or utilize the power of drainage arrangement to discharge from blow vent 2 simultaneously.
In another embodiment, drainage arrangement is connected to blow vent 2 places, and at this moment, drainage arrangement adopts and inwardly inflates as air pump class device, so that water in the water heater conduit is discharged from the other end.
In the present embodiment, first magnetic valve 12 is normally open solenoid valve (a hereinafter referred magnetic valve 12), and second magnetic valve 22 (hereinafter referred magnetic valve 22) and the 3rd magnetic valve 32 (hereinafter referred magnetic valve 32) are normally closed solenoid valves.Under normal operating position, three equal dead electricity of magnetic valve, i.e. equal consumed powers not.In the winter time, when temperature is lower than preset temperature, when spending as 4.5, three magnetic valves consumed power simultaneously just when starting draining.Here explanation is, first magnetic valve 12 adopts normally open solenoid valve, is that the user is not adding under the electric control situation first magnetic valve 12 when opening the corresponding water outlet of water heater for convenience, and current can normally flow into water heater, to save electric energy.Three magnetic valves 12,22 and 32 can be bistable electromagnetic valve.When temperature was higher than certain value, for example, in the time of 13 degrees centigrade, described control module 5 can be controlled first magnetic valve 12 and open, and guaranteed that described second and third magnetic valve 22,32 is in closed condition.
In another embodiment, described control module 5 also comprises: power-saving module, be used to open magnetic valve 22 and magnetic valve 32 Preset Times after, after one minute, close magnetic valve 22 and magnetic valve 32.Even so be lower than preset temperature, when spending, after draining, still has only just consumed power of magnetic valve 12 as 4.5 in temperature.So can further reduce the antifreeze electric energy that consumes.
Power-saving module is set is and consider that after institute's scheduled time ponding can emptying come magnetic valve 22 and magnetic valve 32 are carried out closing control in the water heater conduit.In another embodiment, also can adopt be electrically connected with control module, be used to detect and whether have the detector of water to replace power-saving module in the water heater inner conduit.When detector detects the water heater inner conduit when anhydrous, send corresponding signal to control module 5, control module 5 described magnetic valves 22 of control and magnetic valve 32 are closed.Wherein, detector can adopt the level switch that is arranged in the water heater conduit, perhaps change the inductive detector judge whether water, judge whether the inductive detector of water, when adopting the inductance/capacitance detector, can press close to the water heater conduit and be provided with by capacitance variations by inductance.
Fig. 2 is the position view of temperature sensor 6 among the embodiment.As shown in the figure, in the present embodiment, temperature sensor 6 is positioned at U type pipe 7 places on water-heater water tank top.U type pipe 7 place's water are not easy to flow, and after water heater quit work, water will stop wherein, and when ambient temperature reduced, the just easy freezing and expansion of water caused the water pipe spalling, therefore temperature sensor 6 was arranged on this and sentenced this place's temperature of monitoring.Certainly, the position of temperature sensor 6 also can be in the position of other easy ponding, for example on the water pipe of the heat exchanger of water heater.
Fig. 3 is the flow chart of control module 5 according to the switch of each magnetic valve of signal controlling of temperature sensor 6.As shown in the figure, may further comprise the steps.
So far water heater draining finishes, and enters anhydrous antifreeze state.
As shown in Figure 5, also can comprise in the input unit of water heater and force button 9, be used for when being pressed, sending the pressure conversion instruction by the user, can be to realize by a simple switching device, the curtage of connecting when being pressed is as described instruction, also can be with water heater on each key-press matrix in one, the key code information of correspondence is as described instruction when being pressed.Accordingly, described control module 5 also comprises:
Force the conversion judge module, when being used to receive described pressure conversion instruction, judge whether magnetic valve 12 closes;
Force the conversion Executive Module, be used for forcing the conversion judge module to judge that magnetic valve 12 is when opening, close described magnetic valve 12 and open magnetic valve 22 and magnetic valve 32, force the conversion judge module to judge that magnetic valve 12 when cutting out, opens magnetic valve 12 and cut out magnetic valve 22 and magnetic valve 32.
Fig. 4 is for realizing the flow chart of above-mentioned pressure translation function.
As seen from the above, utilize and force conversion, the residing state of water heater can be forced conversion.That is, force to be converted to anhydrous antifreeze state, perhaps force to be converted to the state of water flowing from anhydrous antifreeze state from the state (magnetic valve 12, magnetic valve 22 and magnetic valve 32 equal dead electricity) of water flowing.This just for the user to the manual intervention of antifreeze state provide may, increased the human oriented design of water heater.
It below only is preferred embodiment of the present utility model; all within spirit of the present utility model and principle; any modification of being done, be equal to replacement, improvement etc.; as increase air pump at blow vent 2 places; improve drainage speed; or be that display unit increases the LED lamp; be used to illustrate current water heater state; for example whether connect power supply or deny water flowing etc.; can change to the function that only has detection transmission temperature signal as temperature sensor 9; and the function setting that judges whether to be lower than setting value more than all should be included within the protection domain of the present utility model on control module 5.
Claims (10)
1. the antifreeze drainage arrangement of a water heater is characterized in that, comprising:
Be arranged on first magnetic valve (12) on the heater inleting pipe (11);
Be arranged between this first magnetic valve (12) and the water heater and be positioned at second magnetic valve (22) on the described water inlet pipe (11), this second magnetic valve (22) other end is communicated with atmosphere;
Be arranged on the 3rd magnetic valve (32) on the water heater outlet (41), the 3rd magnetic valve (32) other end is communicated with atmosphere;
Be used to detect the temperature sensor (6) of water heater inner conduit temperature or environment temperature; With
Control module (5) connects and composes control loop with each magnetic valve (12,22,32) and described temperature sensor (6).
2. device according to claim 1, it is characterized in that, be communicated with breather pipe (21) on water inlet pipe (11) sidewall, described second magnetic valve (22) is arranged on this breather pipe (21), and/or being communicated with drainpipe (31) on outlet pipe (41) sidewall, described the 3rd magnetic valve (32) is arranged on this drainpipe (31).
3. device according to claim 2 is characterized in that, described breather pipe (21) or drainpipe (31) are provided with the drainage arrangement that is electrically connected with control module (5);
Described control module (5) also is used for closing and second and third magnetic valve (22,32) starts described drainage arrangement when opening at control first magnetic valve (12).
4. device according to claim 3 is characterized in that, described drainage arrangement is water pump or air pump.
5. device according to claim 1 is characterized in that, described first magnetic valve (12) is a normally open solenoid valve, and described second magnetic valve (22), the 3rd magnetic valve (32) they are normally closed solenoid valves, or
Described first and second and three magnetic valves (12,22,32) are bistable electromagnetic valve;
Described control module (5) is used to receive temperature sensor (6) when detecting the signal that sends when temperature is lower than setting value, controls first magnetic valve (12) and closes with second and third magnetic valve (22,32) and open.
6. according to the described device of each claim of claim 1 to 5, it is characterized in that described control module (5) comprising:
Power-saving module, be used to judge that described second and third magnetic valve (22,32) is opened setting-up time after, control described second and third magnetic valve (22,32) and close.
7. according to the described device of each claim of claim 1 to 5, it is characterized in that described device also comprises: whether with the detector that described control module (5) is electrically connected, being used to detect the water heater inner conduit has water;
Described control module (5) is used to also receive that detector detects the water heater inner conduit when anhydrous, controls described second and third magnetic valve (22,32) and closes.
8. device according to claim 7 is characterized in that, it is one of following that described detector comprises:
The inductance that passes through of be arranged on level switch in the water heater inner conduit, pressing close to the setting of water heater inner conduit changes the inductive detector that judges whether water, presses close to the inductive detector that capacitance variations judges whether water that passes through of water heater inner conduit setting.
9. device according to claim 1 is characterized in that, described device also comprises:
The display unit (8) that is electrically connected with control module (5) is used for when control module (5) is controlled each magnetic valve (12,22,32) corresponding state being shown.
10. device according to claim 1 is characterized in that, described device also comprises:
Force button (9), send the pressure conversion instruction when being used to be pressed;
Described control module (5) also comprises:
Force the conversion judge module, when being used to receive described pressure conversion instruction, judge whether first magnetic valve (12) closes; With
Force the conversion Executive Module, be used for forcing the conversion judge module to judge that first magnetic valve (12) is when opening, close described first magnetic valve and open described second, third magnetic valve, force the conversion judge module to judge that first magnetic valve (12) when cutting out, opens described first magnetic valve and cut out described second, third magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201523171U CN201401948Y (en) | 2009-04-29 | 2009-04-29 | Anti-freeze drainage device of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201523171U CN201401948Y (en) | 2009-04-29 | 2009-04-29 | Anti-freeze drainage device of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201401948Y true CN201401948Y (en) | 2010-02-10 |
Family
ID=41661743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201523171U Expired - Lifetime CN201401948Y (en) | 2009-04-29 | 2009-04-29 | Anti-freeze drainage device of water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201401948Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155783A (en) * | 2011-03-31 | 2011-08-17 | 美的集团有限公司 | Liquid heating device and heating method thereof |
| CN103322684A (en) * | 2013-05-30 | 2013-09-25 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and drainage freezing-preventing device thereof |
| CN103471210A (en) * | 2012-06-06 | 2013-12-25 | 苏州三星电子有限公司 | Water system air conditioner and anti-freezing system and anti-freezing method of air-conditioning system |
| CN104422138A (en) * | 2013-08-27 | 2015-03-18 | 海尔集团公司 | Water heater and control method thereof |
| CN107062625A (en) * | 2017-05-10 | 2017-08-18 | 广东超人节能厨卫电器有限公司 | A kind of anti-freeze type water heater |
| CN108019957A (en) * | 2018-01-19 | 2018-05-11 | 湘潭大学 | A kind of gas heater directly goes out hot water apparatus and its control method |
-
2009
- 2009-04-29 CN CN2009201523171U patent/CN201401948Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155783A (en) * | 2011-03-31 | 2011-08-17 | 美的集团有限公司 | Liquid heating device and heating method thereof |
| CN102155783B (en) * | 2011-03-31 | 2013-02-13 | 美的集团股份有限公司 | Liquid heating device and method |
| CN103471210A (en) * | 2012-06-06 | 2013-12-25 | 苏州三星电子有限公司 | Water system air conditioner and anti-freezing system and anti-freezing method of air-conditioning system |
| CN103471210B (en) * | 2012-06-06 | 2016-08-10 | 苏州三星电子有限公司 | Water system air-conditioner, the winterization system of air conditioning system and method |
| CN103322684A (en) * | 2013-05-30 | 2013-09-25 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and drainage freezing-preventing device thereof |
| CN104422138A (en) * | 2013-08-27 | 2015-03-18 | 海尔集团公司 | Water heater and control method thereof |
| CN104422138B (en) * | 2013-08-27 | 2018-03-09 | 海尔集团公司 | Water heater and its control method |
| CN107062625A (en) * | 2017-05-10 | 2017-08-18 | 广东超人节能厨卫电器有限公司 | A kind of anti-freeze type water heater |
| CN108019957A (en) * | 2018-01-19 | 2018-05-11 | 湘潭大学 | A kind of gas heater directly goes out hot water apparatus and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201401948Y (en) | Anti-freeze drainage device of water heater | |
| CN201463299U (en) | Water-saving type solar water heater | |
| CN202195617U (en) | Water-saving device of solar water heater | |
| CN101672426A (en) | Recycling device of reserved fluid in fluid supply system or equipment and application method thereof | |
| CN109372055A (en) | Water system and its control method | |
| CN203132115U (en) | Full-intelligent safe pressure control system | |
| CN201059777Y (en) | Hot-water circulation energy-saving device | |
| CN106983367A (en) | A kind of full touch-control Intelligent reverse osmosis cold-hot integrated Drinking fountain and its control method | |
| CN204445413U (en) | A kind of new and effective Green energy-saving drinking water machine | |
| CN201327114Y (en) | Modularization central hot water supplying system | |
| CN107246735B (en) | Multi-energy hot water system and control method thereof | |
| CN202532723U (en) | Intelligent water return control device for water heater | |
| CN108469121A (en) | The water saving fixtures of water heater | |
| CN205094168U (en) | Multi -function vehicle carries water dispenser | |
| CN201606964U (en) | Residual water water conservation control device in gas solar pipeline | |
| CN101666547A (en) | Anti-freezing cyclic solar heat collecting system with small flow | |
| CN201421213Y (en) | Pipeline evacuating and water saving system of solar water heater | |
| CN203249383U (en) | Water heater with double heat sources | |
| CN201724371U (en) | Gas water heater capable of automatically preventing frost cracking | |
| CN103591636A (en) | Double-tank heat exchange and water supply system and method for controlling same | |
| CN202304158U (en) | Heat pump water heater capable of balancing pressure of compressor | |
| CN102620431A (en) | Water saving device applicable to various water heaters | |
| CN201983420U (en) | Instant heating type electric water heater of central hot water circulation system | |
| CN201289163Y (en) | Life hot water dynamic intelligent control system | |
| CN201672686U (en) | Full-intelligence water circulating preheater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100210 |