CN209089252U - A kind of thick film heater of regulating power - Google Patents
A kind of thick film heater of regulating power Download PDFInfo
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- CN209089252U CN209089252U CN201821487375.5U CN201821487375U CN209089252U CN 209089252 U CN209089252 U CN 209089252U CN 201821487375 U CN201821487375 U CN 201821487375U CN 209089252 U CN209089252 U CN 209089252U
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- film heating
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Abstract
The utility model relates to a kind of thick film heaters of regulating power, including thick-film heating main body, it is characterized in that, it is in parallel in thick-film heating main body to be equipped at least two-way thick-film heating circuit, the thick-film heating circuit wherein all the way is electrically connected with PCU Power Conditioning Unit, and the thick-film heating circuit on other roads is electrically connected with switching device or PCU Power Conditioning Unit.The thick-film heating circuit in parallel of the multichannel low-power of the utility model collectively forms powerful thick film heater, realize that the heating power of high-power thick-film heater is adjustable, simultaneously, PCU Power Conditioning Unit needed for the thick-film heating circuit of low-power is also small, it is relatively also small to the electromagnetic interference of thick film heater, power grid, enables the Electro Magnetic Compatibility of the thick film heater of high-power regulating power that can also reach EMC authentication requesting.
Description
Technical field
The utility model relates to field of electric heating, the thick film heater of specifically a kind of regulating power.
Background technique
Thick film heater is widely used in all kinds of electric heating products, such as electric kettle, electric cooking pot, electric steam oven.
Thick film heater is typically provided with a thick-film heating circuit and a thyristor regulating regulating device, realizes to thick film heater
The step-less adjustment function of heating power, still, the technical solution are suitable only for the thick film heater of lower-wattage using (such as thick film adds
The maximum power of heater circuit is in 1000W), when (maximum power of such as thick-film heating circuit exists thick film heater heating power
2000W or more) it is larger when, set by thyristor regulating regulating device power it is also big, cause it to thick film heater, power grid
Electromagnetic interference is big, and the Electro Magnetic Compatibility of the thick film heater of high-power regulating power is enabled to be difficult to reach EMC authentication requesting.
Therefore, it is necessary to be further improved.
Utility model content
The purpose of the utility model is to overcome above-mentioned the shortcomings of the prior art, and provide a kind of regulating power
Thick film heater realizes that the heating power of high-power thick-film heater is adjustable, and electromagnetic interference is small.
Purpose of the utility model is realized as follows:
A kind of thick film heater of regulating power, including thick-film heating main body, which is characterized in that in thick-film heating main body
Parallel connection is equipped at least two-way thick-film heating circuit, the thick-film heating circuit wherein all the way and is electrically connected with PCU Power Conditioning Unit,
The thick-film heating circuit on other roads is electrically connected with switching device or PCU Power Conditioning Unit.
The switching device is relay.
The PCU Power Conditioning Unit is thyristor regulating regulating device.
The power per thick-film heating circuit all the way is identical.
The beneficial effects of the utility model are as follows:
The thick-film heating circuit in parallel of multichannel low-power collectively forms powerful thick film heater, realizes high-power thick-film
The heating power of heater is adjustable, meanwhile, PCU Power Conditioning Unit needed for the thick-film heating circuit of low-power is also small, to thickness
Film heater, the electromagnetic interference of power grid are relatively also small, enable the Electro Magnetic Compatibility of the thick film heater of high-power regulating power
EMC authentication requesting can be reached.
The heating power of the utility model thick film heater is big, can stepless regulator heating power, and electromagnetic interference is small,
It is easy to be suitable for all kinds of electric heating products by EMC authentication requesting, as electric kettle, electric cooking pot, electric steam oven, electricity steam
Vapour generator etc..
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model first embodiment thick-film heating main body.
Fig. 2 is the circuit diagram of the utility model first embodiment thick film heater.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.
Referring to Fig. 1-Fig. 2, the thick film heater of this regulating power, including thick-film heating main body, including heat the substrate 2 Hes
By printing, being sintered the thick-film heating body 1 being disposed thereon, parallel connection is equipped with extremely in thick-film heating main body (i.e. thick-film heating body 1)
Few two-way thick-film heating circuit 11, the thick-film heating circuit 11 wherein all the way is electrically connected with PCU Power Conditioning Unit 12, other
The thick-film heating circuit 11 on road is electrically connected with switching device 13 or PCU Power Conditioning Unit 12.
The switching device 13 is relay.
The PCU Power Conditioning Unit 12 is thyristor regulating regulating device.
The power per thick-film heating circuit 11 all the way is identical.
11 parallel connection of thick-film heating circuit of multichannel low-power collectively forms powerful thick film heater, realizes high-power thickness
(its adjustment process is detailed below) is adjusted in the heating power of film heater, meanwhile, needed for the thick-film heating circuit 11 of low-power
PCU Power Conditioning Unit 12 it is also small, it is relatively also small to the electromagnetic interference of thick film heater, power grid, enable high-power regulating power
The Electro Magnetic Compatibility of thick film heater can also reach EMC authentication requesting.
The settable switching device 13 of thick-film heating circuit 11 or PCU Power Conditioning Unit on above-mentioned other roads, are further preferably opened
Pass device 13 is relay, and PCU Power Conditioning Unit 12 is thyristor regulating regulating device 12.Every road thick-film heating circuit 11 adds
Thermal power is within 2000W, and within further preferably 1000W, the power of thick-film heating circuit 11 is smaller, can further drop
Power needed for low power regulation device 12 further makes it smaller to the electromagnetic interference of thick film heater, power grid, enables big function
The Electro Magnetic Compatibility of the thick film heater of rate regulating power is also easier to reach EMC authentication requesting.
Specifically, in parallel on the thick-film heating body 1 of the present embodiment to be equipped with the identical thick-film heating circuit of the above power of two-way
11, wherein thick-film heating circuit 11 all the way is electrically connected with PCU Power Conditioning Unit 12, which is thyristor regulating
Regulating device 12, in addition thick-film heating circuit 11 is electrically connected with switching device 13 all the way, which is relay, every road film
The heating power of heater circuit 11 is 1000W, and total heating power of thick film heater is 2000W.This thick film heater needs to adjust
The heating power of section in 0-1000W, close to control the thick-film heating circuit 11 on the road, silicon-controlled adjusting by cut-off
The heating power that device opens the thick-film heating circuit 11 on the road Bing Duigai is adjusted, and meets thick film heater 0-1000W (i.e.
Within 1000W) requirement of the step-less adjustment of heating power；This thick film heater needs the heating power adjusted in 1000-2000W
When, the thick-film heating circuit 11 that relay opens to control the road is opened, meanwhile, thyristor regulating regulating device opens the road Bing Duigai
The heating power of thick-film heating circuit 11 be adjusted, the stepless-adjustment of heating power when meeting thick film heater 1000-2000W
Section requires.Relay above-mentioned can be substituted by thyristor regulating regulating device, belong to the technical solution simply deformed, this field
Technical staff is appreciated that.
The above-mentioned preferred embodiment for the utility model, has been shown and described the basic principles and main features of the utility model
And the advantages of the utility model.Those skilled in the art should be recognized that the present utility model is not limited to the above embodiments, on
It states and only illustrates the principles of the present invention described in embodiment and specification, do not departing from the spirit and scope of the utility model
Under the premise of the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical new
Within the scope of type.The utility model requires protection scope is defined by appended claims and its equivalent.
Claims (4)
1. a kind of thick film heater of regulating power, including thick-film heating main body, which is characterized in that in thick-film heating main body simultaneously
Connection is equipped at least two-way thick-film heating circuit (11), the thick-film heating circuit (11) wherein all the way and is electrically connected with power regulation
Device (12), the thick-film heating circuit (11) on other roads are electrically connected with switching device (13) or PCU Power Conditioning Unit (12).
2. the thick film heater of regulating power according to claim 1, it is characterised in that: the switching device (13) is
Relay.
3. the thick film heater of regulating power according to claim 1, it is characterised in that: the PCU Power Conditioning Unit
It (12) is thyristor regulating regulating device.
4. the thick film heater of regulating power according to claim 1-3, it is characterised in that: described per all the way
The power of thick-film heating circuit (11) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487375.5U CN209089252U (en) | 2018-09-11 | 2018-09-11 | A kind of thick film heater of regulating power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487375.5U CN209089252U (en) | 2018-09-11 | 2018-09-11 | A kind of thick film heater of regulating power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209089252U true CN209089252U (en) | 2019-07-09 |
Family
ID=67116315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821487375.5U Active CN209089252U (en) | 2018-09-11 | 2018-09-11 | A kind of thick film heater of regulating power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209089252U (en) |
-
2018
- 2018-09-11 CN CN201821487375.5U patent/CN209089252U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Thick film heater with adjustable power Effective date of registration: 20200619 Granted publication date: 20190709 Pledgee: Agricultural Bank of China Limited Shunde Ronggui sub branch Pledgor: GUANGDONG JIBAO ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd. Registration number: Y2020980003245 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |