CN203718848U - Electric heating coil - Google Patents
Electric heating coil Download PDFInfo
- Publication number
- CN203718848U CN203718848U CN201320844272.0U CN201320844272U CN203718848U CN 203718848 U CN203718848 U CN 203718848U CN 201320844272 U CN201320844272 U CN 201320844272U CN 203718848 U CN203718848 U CN 203718848U
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- Prior art keywords
- temperature
- electric heating
- attemperating unit
- generating disc
- tds
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Abstract
The utility model provides an electric heating coil which comprises a heating coil body, a first temperature control device and a second temperature control device. When the temperature of the heating coil body is higher than a first preset temperature, a heating circuit of an auxiliary electric heating element is disconnected through the first temperature control device, and when the temperature of the heating coil body is higher than a second preset temperature, an alarm circuit is connected through the second temperature control device. The electric heating coil disclosed by the utility model is capable of heating though a main electric heating element and the auxiliary electric heating element simultaneously in an initial heating period; the auxiliary electric heating element stops heating through the first temperature control device when the electric heating coil reaches the first preset temperature, thus increasing a heating speed of the electric heating coil, enabling the electric heating coil to reach the preset temperature within a relatively short time to achieve a purpose of rapidly heating and improving the working efficiency of the electric heating coil; meanwhile, when the temperature of the electric heating coil reaches the second preset temperature, the alarm circuit is connected through the second temperature control device so as to prompt users that the electric heating coil is too high in temperature, thus achieving a purpose of high temperature alert.
Description
Technical field
The utility model relates to a kind of electric heating plate, in particular to a kind of electric heating plate that can high temperature early warning.
Background technology
At present; along with client improves constantly electric stove platform product class acceptance level; client also improves constantly the demand of the functions such as the rate of heat addition of electrical heating product, overtemperature protection, overheated early warning; application traditional metal electric heat-generating disc household appliances; technology inferior position in Fast Heating and high temperature/remaining temperature early warning is more next obviously, can not meet existing user's user demand.
Utility model content
In order one of to solve the problems of the technologies described above at least, the utility model provides a kind of electric heating plate to comprise: heat-generating disc, is provided with main heating and auxiliary heating in described heat-generating disc; The first attemperating unit, in the heater circuit of the described auxiliary heating of described the first attemperating unit access, when the temperature of described heat-generating disc is during higher than the first preset temperature, described the first attemperating unit disconnects the heater circuit at described auxiliary heating place; With the second attemperating unit, in described the second attemperating unit access warning circuit, when the temperature of described heat-generating disc is during higher than the second preset temperature, described the second attemperating unit is connected described warning circuit.
The electric heating plate that the utility model provides, at main heating of heating initial stage and auxiliary heating, jointly heat, when electric heating plate reaches the first preset temperature, the first attemperating unit makes auxiliary heating stop heating, like this programming rate that has improved electric heating plate is set, make electric heating plate can reach in the short period of time preset temperature, realize the object of Fast Heating, thereby improved the operating efficiency of electric heating plate, simultaneously, when the temperature of electric heating plate arrives the second preset temperature, the second attemperating unit connects warning circuit, prompting user electric heating plate excess Temperature, realize the object of high temperature early warning, thereby improved the safety in utilization of electric heating plate.
In addition, the described electric heating plate in the utility model above-described embodiment can also have following additional technical feature:
An embodiment who provides according to the utility model, described the first attemperating unit comprises: the first temperature sensor, described the first temperature sensor is for detection of the temperature of described heat-generating disc; With the first controller, in the heater circuit at described the first controller access described auxiliary heating place, and be connected with described the first temperature sensor, when the temperature of described heat-generating disc is during higher than the first preset temperature, described the first controller disconnects the heater circuit at described auxiliary heating place.
An embodiment who provides according to the utility model, described the first attemperating unit is temperature detect switch (TDS), in the circuit of the described auxiliary heating of described temperature detect switch (TDS) access, when the temperature of described heat-generating disc is during higher than the break-off signal of described temperature detect switch (TDS), described temperature detect switch (TDS) disconnects the heater circuit at described auxiliary heating place, and the break-off signal of described temperature detect switch (TDS) is described the first preset temperature.
An embodiment who provides according to the utility model, described the first attemperating unit is bimetal plate temperature controling switch.
An embodiment who provides according to the utility model, described the second attemperating unit comprises: the second temperature sensor, described the second temperature sensor is for detection of the temperature of described heat-generating disc; And second controller, described second controller accesses in described warning circuit, and is connected with described the second temperature sensor, and when the temperature of described heat-generating disc is during higher than the second preset temperature, described second controller is communicated with described warning circuit.
An embodiment who provides according to the utility model, described the second attemperating unit is temperature detect switch (TDS), in described temperature detect switch (TDS) access warning circuit, when the temperature of described heat-generating disc is during higher than the conducting temperature of described temperature detect switch (TDS), described temperature detect switch (TDS) is connected described warning circuit, and the conducting temperature of described temperature detect switch (TDS) is described the second preset temperature.
An embodiment who provides according to the utility model, described the second attemperating unit is bimetal plate temperature controling switch.
An embodiment who provides according to the utility model, described warning circuit comprises alarm lamp, it is luminous that described warning circuit is connected rear described alarm lamp.
An embodiment who provides according to the utility model, also comprises the auxiliary temperature-reducing device in parallel with described alarm lamp in described warning circuit, can be to described heat-generating disc cooling when described alarm lamp is luminous.
An embodiment who provides according to the utility model, described auxiliary temperature-reducing device is blower fan, the motor of described blower fan is connected in described warning circuit, and in parallel with described alarm lamp.
Additional aspect of the present utility model and advantage will become in description part below obviously, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the sectional structure schematic diagram of electric heating plate described in the utility model;
Fig. 2 is the structured flowchart schematic diagram of electric heating plate shown in Fig. 1;
Fig. 3 is the partial circuit connection diagram of one embodiment of electric heating plate shown in Fig. 1;
Fig. 4 is the partial circuit connection diagram of another embodiment of electric heating plate shown in Fig. 1.
Wherein, in Fig. 1 to Fig. 4, the corresponding relation between Reference numeral and component names is:
1 heat-generating disc, 101 main heatings, 102 auxiliary heatings, 2 first attemperating units, 201 first temperature sensors, 202 first controllers, 3 second attemperating units, 301 second temperature sensors, 302 second controllers, 4 alarm lamps, 5 auxiliary temperature-reducing devices.
In Fig. 3 and Fig. 4, in circle, be the circuit structure in electric heating plate, circle is outward the circuit connection structure of electric heating plate and other electric elements.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
Below with reference to Fig. 1 and Fig. 2, describe according to the first embodiment of the electric heating plate described in some embodiment of the utility model.
As depicted in figs. 1 and 2, electric heating plate comprises: heat-generating disc 1, the first attemperating unit 2 and the second attemperating unit 3.
Main heating 101 and auxiliary heating 102 are installed in heat-generating disc 1.
In the heater circuit of the auxiliary heating 102 of the first attemperating unit 2 access, when the temperature of heat-generating disc 1 is during higher than the first preset temperature, the first attemperating unit 2 disconnects the heater circuit at auxiliary heating 102 places.
In the second attemperating unit 3 access warning circuits, when the temperature of heat-generating disc 1 is during higher than the second preset temperature, the second attemperating unit 3 is connected warning circuit.
In a specific embodiment of the present utility model, as shown in Figure 2, the first attemperating unit 2 comprises: the first temperature sensor 201 and the first controller 202; Wherein, the first temperature sensor 201 is for detection of the temperature of heat-generating disc 1, in the heater circuit at the first controller 202 access auxiliary heating 102 places, and be connected with the first temperature sensor 201, when the temperature of heat-generating disc 1 is during higher than the first preset temperature, the first controller 202 disconnects the heater circuit at auxiliary heating 102 places.
The advantages such as that the first attemperating unit 2 that the first controller 202 and the first temperature sensor 201 form has is simple in structure, antijamming capability is strong, control accuracy is high and reaction speed is fast.
In a specific embodiment of the present utility model, as shown in Figure 2, the second attemperating unit 3 comprises: the second temperature sensor 301 and second controller 302; Wherein, the second temperature sensor 301, for detection of the temperature of heat-generating disc 1, in second controller 302 access warning circuits, and is connected with the second temperature sensor 301, when the temperature of heat-generating disc 1 is during higher than the second preset temperature, second controller 302 is communicated with warning circuit.
The advantages such as that the second attemperating unit 3 that second controller 302 and the second temperature sensor 301 form has is simple in structure, antijamming capability is strong, control accuracy is high and reaction speed is fast.
In an embodiment of the present utility model, warning circuit comprises alarm lamp 4, and it is luminous that warning circuit is connected rear alarm lamp 4.Alarm lamp 4 can be cheer and bright the excess Temperature of prompting user electric heating plate, effectively play the effect of high temperature early warning, and alarm lamp 4 is cheap, can reduce manufacturing cost.
Below with reference to Fig. 1, Fig. 3 and Fig. 4, describe according to the second embodiment of the electric heating plate described in some embodiment of utility model.
As shown in Figure 1, Figure 3 and Figure 4, electric heating plate comprises: heat-generating disc 1, the first attemperating unit 2 and the second attemperating unit 3.
Main heating 101 and auxiliary heating 102 are installed in heat-generating disc 1.
In the heater circuit of the auxiliary heating 102 of the first attemperating unit 2 access, when the temperature of heat-generating disc 1 is during higher than the first preset temperature, the first attemperating unit 2 disconnects the heater circuit at auxiliary heating 102 places.
In the second attemperating unit 3 access warning circuits, when the temperature of heat-generating disc 1 is during higher than the second preset temperature, the second attemperating unit 3 is connected warning circuit.
In a specific embodiment of the present utility model, as shown in Figure 3 and Figure 4, the first attemperating unit 2 is temperature detect switch (TDS), temperature detect switch (TDS) accesses in the circuit of auxiliary heating 102, when the temperature of heat-generating disc 1 is during higher than the break-off signal of temperature detect switch (TDS), temperature detect switch (TDS) disconnects the heater circuit at auxiliary heating 102 places, and the break-off signal of temperature detect switch (TDS) is the first preset temperature, preferably, the first attemperating unit 2 is bimetal plate temperature controling switch.
The first attemperating unit 2 is that temperature detect switch (TDS) is simple in structure, and volume is small and exquisite, easy for installation, and can not increase electric heating plate assembling difficulty, and then has improved production efficiency.
In a specific embodiment of the present utility model, as shown in Figure 3 and Figure 4, the second attemperating unit 3 is temperature detect switch (TDS), in temperature detect switch (TDS) access warning circuit, when the temperature of heat-generating disc 1 is during higher than the conducting temperature of temperature detect switch (TDS), temperature detect switch (TDS) is connected warning circuit, and the conducting temperature of temperature detect switch (TDS) is the second preset temperature, preferably, the second attemperating unit 3 is bimetal plate temperature controling switch.
The second attemperating unit 3 is that temperature detect switch (TDS) is simple in structure, and volume is small and exquisite, easy for installation, and can not increase electric heating plate assembling difficulty, and then has improved production efficiency.
In an embodiment of the present utility model, as shown in Figure 3 and Figure 4, warning circuit comprises alarm lamp 4, and it is luminous that warning circuit is connected rear alarm lamp 4.Alarm lamp 4 can be cheer and bright the excess Temperature of prompting user electric heating plate, effectively play the effect of high temperature early warning, and alarm lamp 4 is cheap, can reduce manufacturing cost.
In an embodiment of the present utility model, as shown in Figure 4, in warning circuit, also comprise the auxiliary temperature-reducing device 5 in parallel with alarm lamp 4, can be to heat-generating disc 1 cooling when alarm lamp 4 is luminous.The setting of auxiliary temperature-reducing device 5 can be lowered the temperature to heat-generating disc 1, prevents because electric heat-generating disc 1 excess Temperature accelerates the aging speed of electric elements, thereby has improved the service life of electric heat-generating disc 1.
Preferably, auxiliary temperature-reducing device 5 is blower fan, and the motor of blower fan is connected in warning circuit, and in parallel with alarm lamp 4.Blower fan structure is simple, and can prevent from accelerating because of electric heat-generating disc 1 excess Temperature the aging speed of electric elements effectively to electric heating plate cooling, thus the service life of having improved electric heat-generating disc 1.
In sum, the electric heating plate that the utility model provides, at main heating 101 of heating initial stage and auxiliary heating 102, jointly heat, when electric heating plate reaches the first preset temperature, the first attemperating unit 2 makes auxiliary heating 102 stop heating, like this programming rate that has improved electric heating plate is set, make electric heating plate can reach in the short period of time preset temperature, realize the object of Fast Heating, thereby improved the operating efficiency of electric heating plate, simultaneously, when the temperature of electric heating plate arrives the second preset temperature, the second attemperating unit 3 connects warning circuit, prompting user electric heating plate excess Temperature, realize the object of high temperature early warning, thereby improved the safety in utilization of electric heating plate.
In the utility model, term " first ", " second " be the object for describing only, and can not be interpreted as indication or hint relative importance.The terms such as term " installation ", " being connected ", " connection " all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; " connection " can be to be directly connected, and also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the description of this description, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an electric heating plate, is characterized in that, comprising:
Heat-generating disc, is provided with main heating and auxiliary heating in described heat-generating disc;
The first attemperating unit, in the heater circuit of the described auxiliary heating of described the first attemperating unit access, when the temperature of described heat-generating disc is during higher than the first preset temperature, described the first attemperating unit disconnects the heater circuit at described auxiliary heating place; With
The second attemperating unit, in described the second attemperating unit access warning circuit, when the temperature of described heat-generating disc is during higher than the second preset temperature, described the second attemperating unit is connected described warning circuit.
2. electric heating plate according to claim 1, is characterized in that, described the first attemperating unit comprises:
The first temperature sensor, described the first temperature sensor is for detection of the temperature of described heat-generating disc; With
The first controller, in the heater circuit at described the first controller access described auxiliary heating place, and be connected with described the first temperature sensor, when the temperature of described heat-generating disc is during higher than the first preset temperature, described the first controller disconnects the heater circuit at described auxiliary heating place.
3. electric heating plate according to claim 1, is characterized in that,
Described the first attemperating unit is temperature detect switch (TDS), in the circuit of the described auxiliary heating of described temperature detect switch (TDS) access, when the temperature of described heat-generating disc is during higher than the break-off signal of described temperature detect switch (TDS), described temperature detect switch (TDS) disconnects the heater circuit at described auxiliary heating place, and the break-off signal of described temperature detect switch (TDS) is described the first preset temperature.
4. electric heating plate according to claim 3, is characterized in that,
Described the first attemperating unit is bimetal plate temperature controling switch.
5. electric heating plate according to claim 1, is characterized in that, described the second attemperating unit comprises:
The second temperature sensor, described the second temperature sensor is for detection of the temperature of described heat-generating disc; With
Second controller, described second controller accesses in described warning circuit, and is connected with described the second temperature sensor, and when the temperature of described heat-generating disc is during higher than the second preset temperature, described second controller is communicated with described warning circuit.
6. electric heating plate according to claim 1, is characterized in that,
Described the second attemperating unit is temperature detect switch (TDS), in described temperature detect switch (TDS) access warning circuit, when the temperature of described heat-generating disc is during higher than the conducting temperature of described temperature detect switch (TDS), described temperature detect switch (TDS) is connected described warning circuit, and the conducting temperature of described temperature detect switch (TDS) is described the second preset temperature.
7. electric heating plate according to claim 6, is characterized in that,
Described the second attemperating unit is bimetal plate temperature controling switch.
8. according to the electric heating plate described in any one in claim 1 to 7, it is characterized in that,
Described warning circuit comprises alarm lamp, and it is luminous that described warning circuit is connected rear described alarm lamp.
9. electric heating plate according to claim 8, is characterized in that,
In described warning circuit, also comprise the auxiliary temperature-reducing device in parallel with described alarm lamp, can be to described heat-generating disc cooling when described alarm lamp is luminous.
10. electric heating plate according to claim 9, is characterized in that,
Described auxiliary temperature-reducing device is blower fan, and the motor of described blower fan is connected in described warning circuit, and in parallel with described alarm lamp.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320844272.0U CN203718848U (en) | 2013-12-19 | 2013-12-19 | Electric heating coil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320844272.0U CN203718848U (en) | 2013-12-19 | 2013-12-19 | Electric heating coil |
Publications (1)
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CN203718848U true CN203718848U (en) | 2014-07-16 |
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Family Applications (1)
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CN201320844272.0U Withdrawn - After Issue CN203718848U (en) | 2013-12-19 | 2013-12-19 | Electric heating coil |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103697506A (en) * | 2013-12-19 | 2014-04-02 | 广东美的厨房电器制造有限公司 | Electric heating disk |
WO2019007158A1 (en) * | 2017-07-03 | 2019-01-10 | 袁嘉蔚 | Dual heat source electric ceramic stove |
-
2013
- 2013-12-19 CN CN201320844272.0U patent/CN203718848U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103697506A (en) * | 2013-12-19 | 2014-04-02 | 广东美的厨房电器制造有限公司 | Electric heating disk |
WO2019007158A1 (en) * | 2017-07-03 | 2019-01-10 | 袁嘉蔚 | Dual heat source electric ceramic stove |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20150923 |
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RGAV | Abandon patent right to avoid regrant |