CN102692079B - Water lack protection device for fast water boiler - Google Patents
Water lack protection device for fast water boiler Download PDFInfo
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- CN102692079B CN102692079B CN201210193896.0A CN201210193896A CN102692079B CN 102692079 B CN102692079 B CN 102692079B CN 201210193896 A CN201210193896 A CN 201210193896A CN 102692079 B CN102692079 B CN 102692079B
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Abstract
The invention provides a water lack protection device for a fast water boiler. The water lack protection device comprises a water storage tank, a water pump, a water conveying pipe, a use water pipe and an electric heating water pipe. A water conveying pipe opening, a use water pipe opening and a water storage pipe opening which are arranged at the same horizontal height form a water inlet and outlet water level control surface, and the water inlet and outlet water level control surface and an overflow pipe opening higher than the water inlet and outlet water level control surface form a water inlet and outlet water level controller, a horizontal liquid level groove is arranged in the water inlet and outlet water level controller, a magnetic buoy is arranged in the horizontal liquid level groove, a magnetic control conversion switch is correspondingly arranged above the magnetic buoy, and a power supply of the electric heating water pipe is switched on or switched off through the magnetic control conversion switch. When the water level in the liquid level groove is lower than the lower limit value, the magnetic buoy descends, the corresponding magnetic control conversion switch switches off the power supply of an electric heating water boiler, meanwhile, a water lack display circuit is conducted, the effect of protecting the electric heating water boiler in time is reached, the water lack protection function is effective and reliable, the magnetic control conversion switch does not frequently act, and the service life is prolonged.
Description
Technical field
The present invention relates to the water-shortage protection device of the resist technology of electric heater, particularly a kind of rapid boiling water machine.
Background technology
Electric heater all will be worked under the state that has water, once no-water dry combustion will cause heater to burn, there are many kinds to adopt for this reason and detect superhigh temperature control circuit, the mode of cutting off heater power source stops electric heater dry combustion method, particularly a kind of rapid boiling water machine is to adopt buoy is set in water tank, utilize the buoy of water tank to carry out the power supply of control heater, when water level is low, heater power source cuts off, if but the heater moisturizing in time once water pump breaks down, heater will be burnt rapidly, brings unnecessary loss and trouble.
Summary of the invention
The invention reside in and overcome the deficiencies in the prior art, a kind of boiled water machine water-shortage protection device is provided, it is low that it has cost simple in structure, safe and reliable advantage.
The present invention solves its technical problem and takes following technical scheme to realize:
Rapid boiling water machine water-shortage protection device, it comprises water storage tank, water pump, flow pipe, water pipe, electric heating water pipe, upper heating electrode and lower heating electrode, it is characterized in that: form U-shaped pipe by water pipe, advection pipe and electric heating water pipe, one end of water pump connects respectively water pipe and water storage tank tube connector by pump water inlet, and the other end of water pump connects flow pipe; Form Inlet and outlet water water level chain of command by the flow pipe mouth, the water mouth of pipe and the water storage mouth of pipe that are located at same level height, form Inlet and outlet water water level controller by described Inlet and outlet water water level chain of command with higher than the overflow mouth of pipe of this Inlet and outlet water water level chain of command; In the described water mouth of pipe, establish a horizontal level tank, in this horizontal level tank, establish magnet buoy, described magnet buoy corresponding above establish magnetic control change-over switch, described magnetic control change-over switch opens or closes electric heating water pipe power supply.
Described magnetic control change-over switch connects respectively electric heating water pipe power supply and lack of water display circuit.
Advection pipe composition between described water pipe, electric heating water pipe and connection water pipe and electric heating water pipe prevents the U-shaped pipe of dry combustion method.
The liquid level of described Inlet and outlet water water level controller higher than the height of electric heating water pipe lower than electric heating water pipe boiling liquid level.
Beneficial effect of the present invention is: when water level in level tank is higher; magnet buoy floats the power supply of connecting electric water boiler with magnetic control change-over switch corresponding above magnet buoy; though which kind of reason if level tank in water level lower than the value of rolling off the production line; the cursory whereabouts of the magnetic magnetic control change-over switch corresponding with magnet buoy disconnects the power supply of electric water boiler and connects lack of water display circuit simultaneously; reach the effect of timely protection electric water boiler; excessive low water level protection function is effectively reliable; due to the not action frequently of magnetic control change-over switch, increase the service life greatly.
Brief description of the drawings
Accompanying drawing 1 is rapid boiling water machine water-shortage protection device schematic diagram.
Detailed description of the invention
By reference to the accompanying drawings the embodiment of the present invention is further described.
The present embodiment is taking boiled water machine adopting quartz glass tube heater as example.
As shown in Figure 1; boiled water machine water-shortage protection device comprises that flow pipe 1, water level controller 2, water pipe 3, advection pipe 4, electric heating water pipe are quartz glass tube 5, horizontal level tank 8, magnet buoy 7, magnetic control change-over switch 9, lack of water display circuit 10, power line AC(L) switch 11, water pipe 12, water pump 14, water storage tank 16, power line AC (N) 17, boiling water delivery port 18, and heating electrode 19 and 20.
Form Inlet and outlet water water level chain of command by being located at 12 mouthfuls of 3 mouthfuls of 1 mouthful of flow pipe, the water pipes of same level height and water pipes.Form Inlet and outlet water water level controller 2 by Inlet and outlet water water level chain of command with higher than the overflow mouth of pipe 21 of this Inlet and outlet water water level chain of command.In Inlet and outlet water water level controller 2, establish a horizontal level tank 8, and communicate with water pipe 3, in this horizontal level tank 8, establish magnet buoy 7, buoy floats on the water surface of level tank 8, and the magnet steel 90 in the middle of buoy 7 is with to be located at magnetic control change-over switch 9 on horizontal level tank 8 corresponding.Magnetic control change-over switch 9 connects respectively electric heating water pipe supply terminals 91, power line L switch terminals 92 and lack of water display circuit 10 terminals 93 above.
Water pipe 12 connects water storage tank tube connector 15, water storage tank tube connector one end connects water storage tank 16, and the other end connects pump water inlet 13 and is connected with water pump 14.
Water pipe 3, electric heating water pipe 5 and be connected water pipe 3 and form excessive low water level protection U-shaped pipe with the advection pipe 4 of electric heating water pipe 5.Inlet and outlet water water level controller liquid level 6 on horizontal level tank 8 should seethe with excitement liquid level 22 highly lower than electric heating water pipe 5 higher than the height of upper electric heating electrode 19.
Also lack of water in horizontal level tank 8 when electric heating water pipe 5 interior lack of water, or water level is very low, magnet buoy 7 drives that magnet steel 90 falls, magnetic control change-over switch 9 is experienced magnetic induction deficiency, power line AC (L) switch terminals 92 is connected with lack of water display circuit end 93, the lack of water display circuit 10 lack of water indicator lamp of working is bright, heating electrode 19 links 91 disconnect with power line AC (L) end 92, and electric heating water pipe 5 power-off are not heated.Starting power line AC(L after boiling water function) switch 11 connects, water pump 14 is worked, the water of water storage tank 16 is through water storage tank tube connector 15, pump water inlet 13, water pump 14, flow pipe 1 flows into water level controller 2, flow into again horizontal level tank 8, via water pipe 3, the U-shaped pipe that advection pipe 4 and electric heating water pipe 5 form, water level in electric heating water pipe 5 and horizontal level tank 8 rises to magnet buoy 7 magnet steel 90 above while approaching Inlet and outlet water water level controller liquid level 6 height simultaneously and rises to a high position, the magnetic force of magnet steel 90 makes the state turnover of magnetic control change-over switch 9, power line AC (L) switch terminals 92 disconnects with lack of water display circuit end 93, lack of water display circuit 10 quits work, lack of water indicator lamp extinguishes, electric heater link 91 is connected with power line AC (L) switch terminals 92, power to electric heating water pipe 5, heated boiling water produces a large amount of air bubble expansions risings and constantly flows out from boiling water delivery port 18, the water that water pump 14 pumps exceeds the part water of Inlet and outlet water water level controller liquid level 6 height through water pipe 12, pump water inlet 13, water pump 14 is back to U-shaped pipeline, boiling boiling water flows out the mouth of a river 18, the minable water yield flowing out is supplemented through water storage tank tube connector 15 by the water of water storage tank 16 the insides.Water pump 14 and all power-off of electric heating water pipe 5 in the time quitting work, water in electric heating water pipe 5 no longer adds thermal expansion and rises, rest on below Inlet and outlet water water level controller liquid level 6 height, water is no longer flowed out by boiling water delivery port 18, because the water level in horizontal level tank 8 is constant, magnetic cursory 7 still floats over a high position, again start boiling water function, electric water boiler is worked immediately, cause the too low said process that will repeat of water level to restart heater if run into special circumstances, be operated in safe condition thereby reach always, ensure that electric water boiler can not cause dry combustion method in exsiccosis, guarantee to be operated in safe condition always.
The present embodiment is suitable for as long as way of supplying water is similar too for Electric radiant Heating Film boiler.
Claims (4)
1. rapid boiling water machine water-shortage protection device, it comprises water storage tank, water pump, flow pipe, water pipe, electric heating water pipe, upper heating electrode and lower heating electrode, it is characterized in that: form U-shaped pipe by water pipe, advection pipe and electric heating water pipe, one end of water pump connects respectively water pipe and water storage tank tube connector by pump water inlet, and the other end of water pump connects flow pipe; Form Inlet and outlet water water level chain of command by the flow pipe mouth, the water mouth of pipe and the water storage mouth of pipe that are located at same level height, form Inlet and outlet water water level controller by described Inlet and outlet water water level chain of command with higher than the overflow mouth of pipe of this Inlet and outlet water water level chain of command; In the described water mouth of pipe, establish a horizontal level tank, in this horizontal level tank, establish magnet buoy, described magnet buoy corresponding above establish magnetic control change-over switch, described magnetic control change-over switch opens or closes electric heating water pipe power supply.
2. rapid boiling water machine water-shortage protection device according to claim 1, is characterized in that described magnetic control change-over switch (9) connects respectively electric heating water pipe (5) power supply and lack of water display circuit (10).
3. rapid boiling water machine water-shortage protection device according to claim 1, the liquid level (6) that it is characterized in that described Inlet and outlet water water level controller higher than the height of upper heating electrode (19) lower than the height of electric heating water pipe (5) boiling liquid level (22).
4. rapid boiling water machine water-shortage protection device according to claim 1, is characterized in that magnet steel (90) in the middle of described magnet buoy (7) and to be located at magnetic control change-over switch (9) on horizontal level tank (8) corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210193896.0A CN102692079B (en) | 2012-06-13 | 2012-06-13 | Water lack protection device for fast water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210193896.0A CN102692079B (en) | 2012-06-13 | 2012-06-13 | Water lack protection device for fast water boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102692079A CN102692079A (en) | 2012-09-26 |
| CN102692079B true CN102692079B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210193896.0A Expired - Fee Related CN102692079B (en) | 2012-06-13 | 2012-06-13 | Water lack protection device for fast water boiler |
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| Country | Link |
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| CN (1) | CN102692079B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925692B (en) * | 2013-01-16 | 2016-08-03 | 美的集团股份有限公司 | Electric water boiler |
| CN103691494B (en) * | 2013-12-28 | 2018-04-10 | 苏州市东华试验仪器有限公司 | A kind of water replanishing device |
| CN103691497B (en) * | 2013-12-28 | 2018-04-10 | 苏州市东华试验仪器有限公司 | A kind of constant temperature humidity chamber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109606A (en) * | 1994-04-01 | 1995-10-04 | 郭德全 | Liquid level automatic controlled liquid storage tank |
| CN202101413U (en) * | 2011-05-18 | 2012-01-04 | 赵灵太 | Integrated water tank of instantaneous electric water boiler |
| CN102353133A (en) * | 2011-08-01 | 2012-02-15 | 宁波市塞纳电热电器有限公司 | Quick-heating electrical heating water boiling device |
| CN202221148U (en) * | 2011-08-22 | 2012-05-16 | 宁波市塞纳电热电器有限公司 | Rapid boiling water heater |
| CN202692438U (en) * | 2012-06-13 | 2013-01-23 | 宁波圣莱达电器股份有限公司 | Protection device of rapid water boiler in time of water shortage |
-
2012
- 2012-06-13 CN CN201210193896.0A patent/CN102692079B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109606A (en) * | 1994-04-01 | 1995-10-04 | 郭德全 | Liquid level automatic controlled liquid storage tank |
| CN202101413U (en) * | 2011-05-18 | 2012-01-04 | 赵灵太 | Integrated water tank of instantaneous electric water boiler |
| CN102353133A (en) * | 2011-08-01 | 2012-02-15 | 宁波市塞纳电热电器有限公司 | Quick-heating electrical heating water boiling device |
| CN202221148U (en) * | 2011-08-22 | 2012-05-16 | 宁波市塞纳电热电器有限公司 | Rapid boiling water heater |
| CN202692438U (en) * | 2012-06-13 | 2013-01-23 | 宁波圣莱达电器股份有限公司 | Protection device of rapid water boiler in time of water shortage |
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| Publication number | Publication date |
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| CN102692079A (en) | 2012-09-26 |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20200330 Address after: 315033 No.188, Changyang Road, Jiangbei District, Ningbo City, Zhejiang Province Patentee after: NINGBO RUIFU INDUSTRIAL GROUP Co.,Ltd. Address before: 315032, 515, Chong Kang South Road, Zhuang Qiao Town, Jiangbei District, Zhejiang, Ningbo Patentee before: NINGBO SUNLIGHT ELECTRICAL APPLIANCE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20200613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |