CN2731510Y - Electronic temp controller - Google Patents
Electronic temp controller Download PDFInfo
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- CN2731510Y CN2731510Y CN 200420083408 CN200420083408U CN2731510Y CN 2731510 Y CN2731510 Y CN 2731510Y CN 200420083408 CN200420083408 CN 200420083408 CN 200420083408 U CN200420083408 U CN 200420083408U CN 2731510 Y CN2731510 Y CN 2731510Y
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Abstract
The utility model relates to an electronic temperature controller. The utility model includes a dry burning temperature comparison circuit used for monitoring the dry burning temperature of the heating disk, a steam temperature comparison circuit used for monitoring the steam temperature, an electronic water level monitoring circuit used for monitoring whether the water in the container is higher than the lowest water level. A high water temperature monitoring comparison circuit used for monitoring the temperature of the pot body and driving the indicating lamp to indicate the high temperature state or not, a double color LED indicating lamp used for indicating the stand-by state, the operation state, and the high temperature state by using three colors, a self locking switch circuit using a light touching switch to control the relay switch circuit and the states of the indicating lamp, a temperature control point self changing circuit which makes the temperature controller be more widely suitable for different heat dissipation conditions of various pot bodies, and a relay switch circuit. The utility model can be extensively adequate for various heating apparatus for water, and comparing with the mechanical temperature controller, the reaction is more sensitive; the utility model can continuously heat the water, and the use is convenient; the volume is small, and the utility model can be more adequate for various pot body shapes and other apparatus.
Description
Technical field
The utility model relates to a kind of electronic temperature controller of liquid heating apparatus, particularly is applicable to the electronic temperature controller such as hot-water cylinder or kettle etc.
Background technology
Existing rapid electric kettle temperature controller adopts mechanical temperature controller more, UK Patent Application GB2331848 discloses a kind of electric switch and has comprised a contact spring that is placed in eccentric position, contact spring has three elements to stretch out from horizontal-associate spare, when the boiled generation water vapour of water makes the bimetallic strip temperature distortion, thereby promoting a push rod rotates control lever, control lever rotates and makes the rotation of eccentric spring part that the contact of element will be moved, and realization is thrown off with the contact on the power supply connector and cut off the power supply.Because the bimetallic strip temperature distortion needs a very long time could recover original state, cause electric kettle not heat up water continuously, use extremely inconvenience, and, make the style design and the Mechanical Builds of product be subject to many limitations because the mechanical temperature controller volume is bigger.
The utility model content
For overcoming the above-mentioned defective of prior art, the utility model provides a kind of and is quick on the draw, the electronic temperature controller that can heat up water continuously.
The technical scheme that the utility model adopted is that a kind of electronic temperature controller is included as the switch DC power supply that following apparatus provides direct-current working volts, also has the dry combustion method temperature comparison circuit of a monitoring heat-generating disc dry combustion method temperature; The vapor (steam) temperature comparator circuit of one monitoring vapor (steam) temperature; In the one monitoring container whether the electronics water level supervisory circuit that is higher than the lowest water level amount is arranged; One monitoring pot body temperature degree also drives the high water temperature monitoring comparator circuit whether pilot lamp indicates the condition of high temperature; One indication standby, work, high temperature, the dichromatic LED pilot lamp of three kinds of color indications of three kinds of states; The relay switching circuit of one control heat-generating pipe work, the self-lock switch circuit of a usefulness touch-switch pilot relay on-off circuit and led status; One compensation vapor (steam) temperature sensor temperature induction speed makes this temperature-sensitive point still can restart in boiled back 20 seconds and can repeatedly repeat the temperature control point of aforesaid operations from the power transformation road at water under the not enough situation of heat radiation.
Of the present utility modelly further be improved to, dry combustion method temperature comparison circuit 1 comprises the comparer U1 of resistance R 11, diode D1 and chip EN0407 inside; 4 pin of one termination IC of resistance R 11, its other end then connects 12 pin of IC; 9 pin of the termination IC of diode D1, its other end then connects 1 pin of IC.Vapor (steam) temperature comparator circuit 2 comprises the comparer U2 of resistance R 18, R2, R6, diode D2 and chip EN0407 inside; 4 pin of one termination IC of resistance R 18, its other end then connects 13 pin of IC; 4 pin of one termination IC of resistance R 2, its other end then connects 6 pin of IC; 6 pin of one termination IC of resistance R 6, its other end then connects 11 pin of IC; 9 pin of the termination IC of diode D2, its other end then connects 11 pin of IC.Water level supervisory circuit 3 comprises the comparer U3 of resistance R 12, R3, R7, R9 and chip EN0407 inside; 11 pin of one termination IC of resistance R 12, its other end then connects 8 pin of IC; 4 pin of one termination IC of resistance R 3, its other end then connects 8 pin of IC; 7 pin of one termination IC of resistance R 7, its other end then connects 4 pin of IC; 7 pin of one termination IC of resistance R 9, its other end then connects electronics water level contact.High water temperature monitoring comparator circuit 4 comprises the comparer U4 of resistance R 17, R5 and chip EN0407 inside; 10 pin of one termination IC of resistance R 17, its other end then connects 11 pin of IC; 4 pin of one termination IC of resistance R 5, its other end then connects 10 pin of IC.Self-lock switch circuit 5 comprises not gate NOT2, NOT3, NOT1, OR1, the NAN1 of starting switch, capacitor C 1, chip EN0407 inside; The two ends of starting switch connect 3 pin and 5 pin of IC respectively; 5 pin of one termination IC of capacitor C 1, its other end ground connection.Temperature control point comprises R1, R15, C4 from power transformation road 6; The two ends of R15 connect 14 pin and 12 pin of IC respectively; An end was pressed 14 pin of IC, 12 pin of its another termination IC after R1 connected with C4.Duty, coolant-temperature gage pilot lamp 7 comprise L1, L2, R4, R14; An end ground connection after light emitting diode L1 connects with resistance R 4, its other end IC1 pin; An end ground connection after light emitting diode L2 connects with resistance R 14, the collector of its another termination triode Q1.Relay switching circuit 8 comprises resistance R 8, triode Q1, diode D3; 2 pin of one termination IC of resistance R 8, the base stage of its another termination triode Q1; The end of the base stage connecting resistance R8 of triode Q1, its grounded emitter, its collector connects the end of diode D3.The collector of the termination triode Q1 of diode D3, the positive pole of its another termination capacitor C 3.
The utility model compared with prior art has following advantage:
1. be quick on the draw, can heat up water continuously, easy to use;
2. volume is little, more can be applicable to different pot shapes and other utensil.
Description of drawings
Fig. 1 is a block scheme of the present utility model;
Fig. 2 is a schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is done further detailed description:
As shown in Figure 1, a kind of electronic type thermostat comprises a dry combustion method temperature comparison circuit 1, one vapor (steam) temperature comparator circuit 2, one electronics water level supervisory circuits 3; One high water temperature monitoring comparator circuit 4; The duty of self-lock switch circuit 5 is by dry combustion method temperature comparison circuit 1, temperature comparison circuit 2,3 controls of electronics water level supervisory circuit; Self-lock switch circuit 5 is controlled the duty of pilot lamp 7, relay switching circuit 8 by the signal that obtains dry combustion method temperature comparison circuit 1, temperature comparison circuit 2, electronics water level supervisory circuit 3; One compensation vapor (steam) temperature sensor temperature induction speed makes this temperature-sensitive point still can restart in boiled back 20 seconds and can repeat the temperature control point of 20 aforesaid operations from power transformation road 7 at water under the not enough situation of heat radiation; One duty, coolant-temperature gage pilot lamp 7; The relay switching circuit 8 of one control heat-generating pipe, 9 work.
As shown in Figure 2, dry combustion method temperature comparison circuit 1 comprises the comparer U1 of resistance R 11, diode D1 and chip EN0407 inside; 4 pin of one termination IC of resistance R 11, its other end then connects 12 pin of IC; 9 pin of the termination IC of diode D1, its other end then connects 1 pin of IC.Vapor (steam) temperature comparator circuit 2 comprises the comparer U2 of resistance R 18, R2, R6, diode D2 and chip EN0407 inside; 4 pin of one termination IC of resistance R 18, its other end then connects 13 pin of IC; 4 pin of one termination IC of resistance R 2, its other end then connects 6 pin of IC; 6 pin of one termination IC of resistance R 6, its other end then connects 11 pin of IC; 9 pin of the termination IC of diode D2, its other end then connects 11 pin of IC.Water level supervisory circuit 3 comprises the comparer U3 of resistance R 12, R3, R7, R9 and chip EN0407 inside; 11 pin of one termination IC of resistance R 12, its other end then connects 8 pin of IC; 4 pin of one termination IC of resistance R 3, its other end then connects 8 pin of IC; 7 pin of one termination IC of resistance R 7, its other end then connects 4 pin of IC; 7 pin of one termination IC of resistance R 9, its other end then connects electronics water level contact.High water temperature monitoring comparator circuit 4 comprises the comparer U4 of resistance R 17, R5 and chip EN0407 inside; 10 pin of one termination IC of resistance R 17, its other end then connects 11 pin of IC; 4 pin of one termination IC of resistance R 5, its other end then connects 10 pin of IC.Self-lock switch circuit 5 comprises not gate NOT2, NOT3, NOT1, OR1, the NAN1 of starting switch, capacitor C 1, chip EN0407 inside; The two ends of starting switch connect 3 pin and 5 pin of IC respectively; 5 pin of one termination IC of capacitor C 1, its other end ground connection.Temperature control point comprises R1, R15, C4 from power transformation road 6; The two ends of R15 connect 14 pin and 12 pin of IC respectively; An end was pressed 14 pin of IC, 12 pin of its another termination IC after R1 connected with C4.Duty, coolant-temperature gage pilot lamp 7 comprise L1, L2, R4, R14; An end ground connection after light emitting diode L1 connects with resistance R 4, its other end IC1 pin; An end ground connection after light emitting diode L2 connects with resistance R 14, the collector of its another termination triode Q1.Relay switching circuit 8 comprises resistance R 8, triode Q1, diode D3; 2 pin of one termination IC of resistance R 8, the base stage of its another termination triode Q1; The end of the base stage connecting resistance R8 of triode Q1, its grounded emitter, its collector connects the end of diode D3.The collector of the termination triode Q1 of diode D3, the positive pole of its another termination capacitor C 3.
During use, self-lock switch circuit 5 original states are output as zero potential, and light emitting diode L2 lights pilot lamp 7 for green, is shown as holding state, and relay disconnects, and heat-generating pipe 9 is not worked.Press on/off switch once, self-lock switch circuit 5 output high level, light-emitting diodes L1 lights pilot lamp 7 and transfers redness to, and the relay adhesive makes heat-generating pipe 9 work.Vapor (steam) temperature comparator circuit 2 output signals promote 5 upsets of self-lock switch circuit when water is boiled when steam temperature-sensitive diode temperature being risen reach setting value, and relay disconnects, and heat-generating pipe 9 is not worked.Dry combustion method this moment temperature-sensitive diode temperature reaches setting value, and high water temperature monitoring comparator circuit 4 output signals make light emitting diode L1, L2 be shown as orange (high temperature indication) with lighting pilot lamp 7.When the water-in-kettle temperature is lower than the setting value of high water temperature monitoring comparator circuit 4, the green when pilot lamp 7 reverts to standby.Anhydrous in kettle, user misoperation and press on/off switch, level sensor output signal make water level supervisory circuit 3 output signals promote self-lock switch circuit 5 and enter anhydrous guard mode, and kettle work automatically replies holding state one second.As having foreign matter to connect level sensor in the kettle and when above-mentioned anhydrous maloperation occurring; when the rising of 9 temperature of heat-generating pipe at the bottom of the kettle makes dry combustion method temperature-sensitive diode temperature reach setting value; vapor (steam) temperature comparator circuit 2 output signals promote 5 upsets of self-lock switch circuit and enter holding state, thereby play the dry combustion method protective effect.
Claims (9)
1. an electronic temperature controller is included as the switch DC power supply that following apparatus provides direct-current working volts, it is characterized in that: the dry combustion method temperature comparison circuit (1) that also has a monitoring heat-generating disc dry combustion method temperature; The vapor (steam) temperature comparator circuit (2) of one monitoring vapor (steam) temperature; In the one monitoring container whether the electronics water level supervisory circuit (3) that is higher than the lowest water level amount is arranged; One monitoring pot body temperature degree also drives the high water temperature monitoring comparator circuit (4) whether pilot lamp indicates the condition of high temperature; One indication standby, work, high temperature, the dichromatic LED pilot lamp (7) of three kinds of color indications of three kinds of states; The relay switching circuit (8) of one control heat-generating pipe (9) work, the self-lock switch circuit (5) of a usefulness touch-switch pilot relay on-off circuit (8) and pilot lamp (7) state; One compensation vapor (steam) temperature sensor temperature induction speed makes this temperature-sensitive point still can restart in boiled back 20 seconds and can repeatedly repeat the temperature control point of aforesaid operations from power transformation road (6) at water under the not enough situation of heat radiation.
2. electronic temperature controller according to claim 1 is characterized in that: dry combustion method temperature comparison circuit (1) comprises the comparer U1 of resistance R 11, diode D1 and chip EN0407 inside; 4 pin of one termination IC of resistance R 11, its other end then connects 12 pin of IC; 9 pin of the termination IC of diode D1, its other end then connects 11 pin of IC.
3. electronic temperature controller according to claim 1 is characterized in that: vapor (steam) temperature comparator circuit (2) comprises the comparer U2 of resistance R 18, R2, R6, diode D2 and chip EN0407 inside; 4 pin of one termination IC of resistance R 18, its other end then connects 13 pin of IC; 4 pin of one termination IC of resistance R 2, its other end then connects 6 pin of IC; 6 pin of one termination IC of resistance R 6, its other end then connects 11 pin of IC; 9 pin of the termination IC of diode D2, its other end then connects 11 pin of IC.
4. electronic temperature controller according to claim 1 is characterized in that: electronics water level supervisory circuit (3) comprises the comparer U3 of resistance R 12, R3, R7, R9 and chip EN0407 inside; 11 pin of one termination IC of resistance R 12, its other end then connects 8 pin of IC; 4 pin of one termination IC of resistance R 3, its other end then connects 8 pin of IC; 7 pin of one termination IC of resistance R 7, its other end then connects 4 pin of IC; 7 pin of one termination IC of resistance R 9, its other end then connects electronics water level contact.
5. electronic temperature controller according to claim 1 is characterized in that: high water temperature monitoring comparator circuit (4) comprises the comparer U4 of resistance R 17, R5 and chip EN0407 inside; 10 pin of one termination IC of resistance R 17, its other end then connects 11 pin of IC; 4 pin of one termination IC of resistance R 5, its other end then connects 10 pin of IC.
6. electronic temperature controller according to claim 1 is characterized in that: self-lock switch circuit (5) comprises starting switch, capacitor C 1, not gate NOT2, the NOT3 of chip EN0407 inside, NOT1, rejection gate NOR1, Sheffer stroke gate NAN1; The two ends of starting switch connect 3 pin and 5 pin of IC respectively; 5 pin of one termination IC of capacitor C 1, its other end ground connection.
7. electronic temperature controller according to claim 1 is characterized in that: temperature control point comprises not gate NOT2, R1, R15, C4 from power transformation road (6); The two ends of R15 connect 14 pin and 12 pin of IC respectively; An end was pressed 14 pin of IC, 12 pin of its another termination IC after R1 connected with C4.
8. electronic temperature controller according to claim 1 is characterized in that: duty, coolant-temperature gage pilot lamp (7) comprise or door OR1, L1, L2, R4, R14; An end ground connection after light emitting diode L1 connects with resistance R 4,1 pin of its other end IC; An end ground connection after light emitting diode L2 connects with resistance R 14, the collector of its another termination triode Q1.
9. electronic temperature controller according to claim 1 is characterized in that: relay switching circuit (8) comprises resistance R 8, triode Q1, diode D3; 2 pin of one termination IC of resistance R 8, the base stage of its another termination triode Q1; The end of the base stage connecting resistance R8 of triode Q1, its grounded emitter, its collector connects the end of diode D3.The collector of the termination triode Q1 of diode D3, the positive pole of its another termination capacitor C 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420083408 CN2731510Y (en) | 2004-08-30 | 2004-08-30 | Electronic temp controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420083408 CN2731510Y (en) | 2004-08-30 | 2004-08-30 | Electronic temp controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731510Y true CN2731510Y (en) | 2005-10-05 |
Family
ID=35051837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420083408 Expired - Fee Related CN2731510Y (en) | 2004-08-30 | 2004-08-30 | Electronic temp controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2731510Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007118427A1 (en) * | 2006-04-17 | 2007-10-25 | Eternal (Guangdong) Electric Holding Ltd. | electronic controller for liquid heating container |
| CN103034264A (en) * | 2011-09-30 | 2013-04-10 | 北大方正集团有限公司 | Temperature controlling device |
-
2004
- 2004-08-30 CN CN 200420083408 patent/CN2731510Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007118427A1 (en) * | 2006-04-17 | 2007-10-25 | Eternal (Guangdong) Electric Holding Ltd. | electronic controller for liquid heating container |
| CN103034264A (en) * | 2011-09-30 | 2013-04-10 | 北大方正集团有限公司 | Temperature controlling device |
| CN103034264B (en) * | 2011-09-30 | 2015-11-25 | 北大方正集团有限公司 | Attemperating unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YILONG ELECTRIC APPLIANCE CO., LTD., GUANGDONG; PA Free format text: FORMER NAME OR ADDRESS: GUANGDONG ETERNAL ELECTRICAL MFG CO., LTD.; PATENTEE |
|
| CP03 | Change of name, title or address |
Address after: Longjiang town Shunde District Guangdong city Foshan province Longzhou road 528318 Co-patentee after: Guo Yuhang Patentee after: Yilong Electrical Appliances Co., Ltd., Guangdong Co-patentee after: Lao Guanghong Address before: Longjiang town Shunde District Guangdong city Foshan province Longzhou road 528318 Co-patentee before: Guo Yuhang Patentee before: Guangdong Yilong Electric Appliance Product Co., Ltd. Co-patentee before: Lao Guanghong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051005 Termination date: 20130830 |