CN2283437Y - Electrical water boiler with anti-dryout protective function - Google Patents
Electrical water boiler with anti-dryout protective function Download PDFInfo
- Publication number
- CN2283437Y CN2283437Y CN 96237876 CN96237876U CN2283437Y CN 2283437 Y CN2283437 Y CN 2283437Y CN 96237876 CN96237876 CN 96237876 CN 96237876 U CN96237876 U CN 96237876U CN 2283437 Y CN2283437 Y CN 2283437Y
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- water
- protective function
- water boiler
- dry protective
- water level
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- Expired - Fee Related
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model provides an electrical water boiler with an anti-dry protective function. A hydraulic pressure inductive head is arranged on the position which is 1-2 centimeters above the lowest water level line of the electrical water boiler with an anti-dry protective function. The pressure signal output end of the hydraulic pressure inductive head is connected with the pressure signal input end of a water level meter. The high and low of a water level is judged by the water level meter, and the electrical water boiler with an anti-dry protective function is energized or powered off. An alternating current contactor is connected to a circuit in parallel to a large electric water heater used by a community to ensure the normal work of an anti-dry protective device. Anti-dry protection is adopted by the electrical water boiler with an anti-dry protective function. The electrical water boiler with an anti-dry protective function has simple structure, universal performance, electricity saving, and safety. The phenomena that a heating pipe is too hot, and elements are burned out caused due to water shortage are effectively prevented.
Description
The utility model relates to electric heater, refers to a kind of anti-dryout protective electric water-boiling device of being with particularly.
At present, family expenses electric water-boiling device user understands the height of electric water-boiling device middle water level by a water level display, and adopts and manually add water, the lack of water phenomenon accidentally just takes place, so that heat-generating pipe is overheated, and electric water-boiling device is burnt out.Also has the big electric heater of a kind of group, though water inlet automatically, when water temperature is reduced to the boiling water temperature of setting, electric heater energising work, but, if the situation of the anhydrous work of heat-generating pipe when promptly inflow is less than water yield, takes place in water consumption super large easily, not only wasted electric energy, and under exsiccosis, thermostat is worked again and again, other part that burns out thermostat easily and be installed together with thermostat.Though the big electric heater of minority is equipped with the anti-protective device that dryouies, its control system is complicated and huge, and easy-maintaining more is not suitable for the family expenses electric water-boiling device.
The purpose of this utility model is to overcome shortcoming of the prior art, provide a kind of be with anti-dryout protective, the electric water-boiling device that can cut off the power supply automatically during lack of water, it is anti-, and to dryout protective device be general part one simple in structure, that volume is little.
A kind ofly be with anti-dryout protective electric water-boiling device, it is characterized in that 1～2 centimeters above the lowest water level line of electric water-boiling device is provided with a water pressure sensing head 6, the pressure signal output of water pressure sensing head 6 is connected with the pressure signal input of water gauge 8; Two electric contacts of water gauge 8 are connected with power supply with heat-generating pipe 3 respectively.An A.C. contactor 11 in parallel with water gauge 8 can also be arranged on the circuit.
The utility model compared with prior art has following advantage:
1, adopts and provided by the utility modelly anti-ly to dryout protective device and not only prevented electric heater effectively, but also prevented thermostat and the damage of other components and parts of being installed together with it because of the overheated burnout phenomenon of the caused heat-generating pipe of lack of water.
2, the anti-protective device that dryouies that adopts of the utility model is a general part one simple in structure, easy to maintenance, that volume is little, and the structure that need not change former electric water-boiling device can realize, is accepted by manufacturer easily, also easily applies.
3, the electric water-boiling device power saving, the safety that provide of the utility model, for ease of maintenaince.
Fig. 1 is the structural representation with anti-dryout protective electric water-boiling device;
Fig. 2 is the circuit diagram with anti-dryout protective electric water-boiling device.
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing thereof:
As shown in Figure 1; When power is the heat-generating pipe 3 of 3000W when directly putting into electric water-boiling device inner bag 4, water pressure sensing head 6 is arranged on heat-generating pipe 3 tops 1～2 centimeters.In the time of in heat-generating pipe 3 is imbedded electric water-boiling device inner bag 4 below interlayers, water pressure sensing head 6 is arranged on lowest water level line top 1～2 centimeters of electric water-boiling device.The pressure signal output of water pressure sensing head 6 is connected by tube connector 7 with the pressure signal input of KLS-5C type water gauge 8.Water pressure sensing head 6 and KLS-5C type water gauge 8 are the washing machine general parts that can purchase on the market.The principle that different pressures is arranged at differing heights according to water, water pressure sensing head 6 is accepted the signal of electric water-boiling device water level height, and hydraulic signal exported to water gauge 8, two electric contacts of water gauge 8 link to each other with power supply with heat-generating pipe 3 respectively, and water gauge 8 is judged the water level height and made electric water-boiling device energising or outage.
Because the general part KLS-5C type water gauge maximum current of washing machine is 5A, therefore can only be used for the family expenses electric water-boiling device, group then needs to be in series with a JC A.C. contactor 11 in parallel with water gauge 8 with big electric heater again on circuit, with water gauge 8 co-operation, reach the purpose of electric heater energising and outage.The selection of JC A.C. contactor 11, in the time of can deciding present embodiment heat-generating pipe power and be 3000W according to heat-generating pipe function size, the JC A.C. contactor be 15A, and among the figure, 1 is attaching plug, and 5 is the electric water-boiling device shell.
As shown in Figure 2, be associated with thermostat 2, JC A.C. contactor 11, water gauge 8, heat-generating pipe 3 on the electric water-boiling device circuit successively, be parallel with power supply indicator 9 and relay indicating light 10.
Claims (2)
1, a kind ofly is with anti-dryout protective electric water-boiling device, it is characterized in that, 1～2 centimeters above the lowest water level line of electric water-boiling device is provided with a water pressure sensing head (6), and the pressure signal output of water pressure sensing head (6) is connected with the pressure signal input of water gauge (8); Two electric contacts of water gauge (8) are connected with power supply with heat-generating pipe (3) respectively.
2, a kind of anti-dryout protective electric water-boiling device of being with according to claim 1 is characterized in that, also has an A.C. contactor (11) in parallel with water gauge (8) on its circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96237876 CN2283437Y (en) | 1996-12-09 | 1996-12-09 | Electrical water boiler with anti-dryout protective function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96237876 CN2283437Y (en) | 1996-12-09 | 1996-12-09 | Electrical water boiler with anti-dryout protective function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2283437Y true CN2283437Y (en) | 1998-06-10 |
Family
ID=33913339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96237876 Expired - Fee Related CN2283437Y (en) | 1996-12-09 | 1996-12-09 | Electrical water boiler with anti-dryout protective function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2283437Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900420A (en) * | 2010-08-25 | 2010-12-01 | 章立新 | No-water protection device of movable electric water heater |
| CN106247628A (en) * | 2016-08-16 | 2016-12-21 | 芜湖美的厨卫电器制造有限公司 | Water heater capable of preventing dry heating |
| CN106724807A (en) * | 2017-03-14 | 2017-05-31 | 福建中金在线信息科技有限公司 | A kind of antiaircraft firing method and electric kettle |
-
1996
- 1996-12-09 CN CN 96237876 patent/CN2283437Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900420A (en) * | 2010-08-25 | 2010-12-01 | 章立新 | No-water protection device of movable electric water heater |
| CN106247628A (en) * | 2016-08-16 | 2016-12-21 | 芜湖美的厨卫电器制造有限公司 | Water heater capable of preventing dry heating |
| CN106724807A (en) * | 2017-03-14 | 2017-05-31 | 福建中金在线信息科技有限公司 | A kind of antiaircraft firing method and electric kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |