CN1122163C - Electric water-heater with flow switch - Google Patents
Electric water-heater with flow switch Download PDFInfo
- Publication number
- CN1122163C CN1122163C CN 98110430 CN98110430A CN1122163C CN 1122163 C CN1122163 C CN 1122163C CN 98110430 CN98110430 CN 98110430 CN 98110430 A CN98110430 A CN 98110430A CN 1122163 C CN1122163 C CN 1122163C
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- CN
- China
- Prior art keywords
- flow switch
- heating system
- electric heating
- water
- power supply
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- 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 - Fee Related
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- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Plumbing Installations (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The present invention relates to an electric water heater providing hot water for shower, washing and other washing. In order to overcome the defect that when the existing electric water heater is used, a power supply needs manually switching on and off repeatedly, the present invention comprises a water tank, an electric heating system and a flow valve, wherein the flow valve is connected with one of a tap water supply pipe, a water inlet pipe of the water tank, a water outlet pipe of the water tank, and a water outlet pipe of a mixing valve, and the flow valve controls the power supply of the electric heating system to be switched on or switched off. When the valve of the present invention is opened, the power supply can be automatically cut off, when the valve is closed, the power supply is switched on automatically, and the operation is convenient.
Description
The present invention relates to a kind of for shower, wash one's face and rinse one's mouth and other washing provides the electric heater of hot water.
At present, family, enterprises and institutions, service trade etc. are used for shower, wash one's face and rinse one's mouth and the electric heater of other washing mainly comprises water tank and electric heating system.Human electric shock when these electric heaters prevent to use with earth leakage protective device with mainly being abutted against; under imperfect earth (perhaps earth connection can't be installed) and earth leakage protective device situation out of control; charged bathing or washing may jeopardize personal safety because of the electric heating system electric leakage.Safest using method is, fills with earlier water in water tank, and the power supply of connecting electric heating system is heated to the water in the water tank temperature required, and the power supply that cuts off electric heating system then carries out bathing or washing.After hot water in the water tank uses up, connect the power supply of electric heating system again, the water in the water tank is heated.Cut off the electricity supply and connect power supply and all need manually-operated, bathing or washing once repeat repeatedly this operation possibly, and after using up a water tank hot water, connect the power supply heating once more, also to stop bathing or washing, cold water in the wait water tank is heated to temperature required, and troublesome poeration uses very inconvenient.
The objective of the invention is, provide a kind of can automatic disconnection electric heating system power supply when opening valve, when valve-off, can connect the electric heater of electric heating system power supply automatically.
The object of the present invention is achieved like this, the electric heater of band flow switch, comprise water tank and electric heating system, its special character is, also comprise flow switch, one of outlet pipe of flow switch and tap water supply pipe, tank inlet pipe, radiator drain and mixing valve is connected, the switching on and off of flow switch control electric heating system power supply.
Flow switch is connected in one of outlet pipe of tap water supply pipe, tank inlet pipe, radiator drain and mixing valve, and valve open or close and the changes in flow rate that produces makes switching signal of flow switch output.Flow switch of the present invention should be made broad understanding, if can with a switching signal of the variation of flow in water pipe output all be the flow switch of indication of the present invention, its inside also can comprise control circuit and/or relay.Flow switch generally is to come output switching signal by the contact.Flow switch can directly be controlled switching on and off of electric heating system power supply, for example normally-closed contact is connected in the major loop of electric heating system.Flow switch also can be controlled switching on and off of electric heating system power supply by other control circuit.Flow switch is connected with water pipe, should meet the installation requirement of flow switch self.When valve open of the present invention (outwards heat supply water), flow switch disconnects the power supply of electric heating system, and when valve closing of the present invention (stopping heat supply water), flow switch is connected the power supply of electric heating system.
Can disconnect or connect under the situation of big electric current at flow switch, the normally-closed contact of flow switch of the present invention can be connected in the major loop of electric heating system.
Safer in order to use, two normally-closed contacts of flow switch of the present invention are connected on respectively among the live wire and zero line of major loop of electric heating system.
Can not disconnect or connect under the situation of big electric current at flow switch, can connect with the coil of relay in the contact of flow switch of the present invention, and the normally-closed contact of relay is connected in the major loop of electric heating system.
Equally, safer in order to use, two normally-closed contacts of relay of the present invention are connected on respectively among the live wire and zero line of major loop of electric heating system.
The present invention is owing to have flow switch, when opening the outside heat supply water of valve, and the power supply that flow switch can the automatic disconnection electric heating system.When bathing or washing, because power supply is cut off automatically, human electric shock's phenomenon can not take place, improved safety in utilization than existing electric heater like this.In bathing or washing process, the temporary close valve, flow switch can be connected the power supply of electric heating system automatically, and the water in the water tank is heated at any time.The present invention compares with existing electric heater, connects power supply and all carries out automatically with cutting off the electricity supply, and does not need repeatedly artificial the disconnection and the connection power supply in the use, and is easy to use.Because during valve-off of the present invention, flow switch can be connected power supply and at any time the water in the water tank be heated, do not need as existing electric heater, behind the hot water in using up water tank, also will connect power supply heats whole one case cold water in the water tank, time to be heated such as reduced, used convenient.
Embodiments of the present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
Fig. 3 is the structural representation of embodiment 3.
Fig. 4 is the structural representation of embodiment 4.
Fig. 5 is the structural representation of embodiment 5.
Fig. 6 is the structural representation of embodiment 6.
Fig. 7 is the electrical schematic diagram of electric heating system of the present invention.
Fig. 8 and Fig. 9 are the another kind of electrical schematic diagram of electric heating system of the present invention.
Embodiment 1:
As Fig. 1, Fig. 7, Fig. 8 and shown in Figure 9, present embodiment is a kind of outlet open-type electric heater, shower nozzle 7 and flow switch 8 that it mainly comprises the tap water supply pipe 4, mixing valve 5, mixing valve outlet pipe 6 of water tank 1, electric heating system, tank inlet pipe 2, radiator drain 3, mixing valve 5, is connected with mixing valve outlet pipe 6 by flexible pipe.Flow switch 8 is connected in the tank inlet pipe 2.The electric heating system of present embodiment can adopt two kinds of forms, is a kind of form as shown in Figure 7, and it has temperature controller T
1, temperature controller T
2, electrothermal tube HL and flow switch 8 normally-closed contact K
1, they are cascaded, normally-closed contact K
1Have two, be connected on respectively among the live wire and zero line of electric heating system major loop; As Fig. 8 and shown in Figure 9 be another kind of form, it has temperature controller T
1, temperature controller T
2, electrothermal tube HL, flow switch 8 normally-closed contact K
2And relay J, the normally opened contact K of the coil of relay J and flow switch 8
2Series connection, the normally-closed contact JL of relay J
1, temperature controller T
1With temperature controller T
2With electrothermal tube HL series connection, normally-closed contact JL
1Have two, be connected on respectively among the live wire and zero line of electric heating system major loop.
Embodiment 2:
As Fig. 2, Fig. 7, Fig. 8 and shown in Figure 9, present embodiment is a kind of outlet open-type electric heater.Present embodiment is except that flow switch 8 is connected in the radiator drain 3, and the shape of other parts is identical with embodiment 1 with structure.
Embodiment 3:
As Fig. 3, Fig. 7, Fig. 8 and shown in Figure 9, present embodiment is a kind of outlet open-type electric heater.Present embodiment is except that flow switch 8 is connected in the tap water supply pipe 4 of mixing valve 5, and the shape of other parts is identical with embodiment 1 with structure.
Embodiment 4:
As Fig. 4, Fig. 7, Fig. 8 and shown in Figure 9, present embodiment is a kind of outlet open-type electric heater.Present embodiment is except that flow switch 8 is connected in the mixing valve outlet pipe 6, and the shape of other parts is identical with embodiment 1 with structure.
Embodiment 5:
As Fig. 5, Fig. 7, Fig. 8 and shown in Figure 9, present embodiment is a kind of closed electrical water heater, and it comprises water tank 1, electric heating system, tank inlet pipe 2, radiator drain 3, flow switch 8 and valve 9.Flow switch 8 is connected in the tank inlet pipe 2, and valve 9 is connected in the radiator drain 3.Electric heating system is identical with the electric heating system of embodiment 1.
Embodiment 6:
As Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, present embodiment is a kind of closed electrical water heater, and it is except flow switch 8 is connected in the radiator drain 3, and the shape of other parts is identical with embodiment 5 with structure.
During use, open mixing valve 5 or valve 9, the variation that flow switch 8 will perceived flux, flow switch 8 actions.In electric heating system as shown in Figure 7, the normally-closed contact K of flow switch 8
1Open, thus the power supply of cut-out electric heating system; In as Fig. 8 and electric heating system shown in Figure 9, the normally opened contact K of flow switch 8
2Closure, the coil of relay J gets electric closure, the normally-closed contact JL of relay J
1Open, thus the power supply of cut-out electric heating system.When closing mixing valve 5 or valve 9, the variation of flow switch 8 perceived flux, flow switch 8 resets.In electric heating system shown in Figure 7, the normally-closed contact K of flow switch 8
1Closure, thereby the power supply of connection electric heating system; In Fig. 8 and electric heating system shown in Figure 9, the normally opened contact K of flow switch 8
2Open, relay J discharges, the normally-closed contact JL of relay J
1Closure, thereby the power supply of connection electric heating system.
Claims (5)
1, the electric heater of band flow switch, comprise water tank and electric heating system, it is characterized in that, also comprise flow switch, one of outlet pipe of flow switch and tap water supply pipe, tank inlet pipe, radiator drain and mixing valve is connected, the switching on and off of flow switch control electric heating system power supply.
2, electric heater according to claim 1 is characterized in that, the normally-closed contact of flow switch is connected in the major loop of electric heating system.
3, electric heater according to claim 2 is characterized in that, two normally-closed contacts of flow switch are connected on respectively among the live wire and zero line of major loop of electric heating system.
4, electric heater according to claim 1 is characterized in that, connects with the coil of relay in the contact of flow switch, and the normally-closed contact of relay is connected in the major loop of electric heating system.
5, electric heater according to claim 4 is characterized in that, two normally-closed contacts of relay are connected on respectively among the live wire and zero line of major loop of electric heating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98110430 CN1122163C (en) | 1998-08-26 | 1998-08-26 | Electric water-heater with flow switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98110430 CN1122163C (en) | 1998-08-26 | 1998-08-26 | Electric water-heater with flow switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1245881A CN1245881A (en) | 2000-03-01 |
| CN1122163C true CN1122163C (en) | 2003-09-24 |
Family
ID=5220478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98110430 Expired - Fee Related CN1122163C (en) | 1998-08-26 | 1998-08-26 | Electric water-heater with flow switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1122163C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865532A (en) * | 2010-07-15 | 2010-10-20 | 无锡职业技术学院 | Water heater power supply automatic controller |
-
1998
- 1998-08-26 CN CN 98110430 patent/CN1122163C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1245881A (en) | 2000-03-01 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |