CN210579295U - Flat thick film heater - Google Patents
Flat thick film heater Download PDFInfo
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- CN210579295U CN210579295U CN201920118535.7U CN201920118535U CN210579295U CN 210579295 U CN210579295 U CN 210579295U CN 201920118535 U CN201920118535 U CN 201920118535U CN 210579295 U CN210579295 U CN 210579295U
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Abstract
The utility model discloses a dull and stereotyped thick film heater belongs to electric rice cooker heater field, including base plate layer and dielectric layer, the dielectric layer setting still includes resistance layer, conductive layer, glass layer on the base plate layer, and resistance layer and conductive layer all set up on the dielectric layer, and the glass layer sets up on resistance layer and conductive layer. Through a dedicated thick film heater of electric rice cooker who sets up to make directly install this thick film heater and be connected with the power in going into the shell and just can accomplish the heating effect, thereby make great quickening the production process of electric rice cooker manufacturer, the square frame structure of design simultaneously, the even advantage of electric rice cooker heating is better satisfied, temperature sensor has been installed into to this thick film heater simultaneously, thereby make better induction temperature, the temperature of detection heating that can be accurate, make the security higher.
Description
Technical Field
The utility model relates to an electricity rice cooker heater field especially relates to a dull and stereotyped thick film heater.
Background
At present, the thick film heat printing technology is mature gradually, and has the characteristics of good heat conduction performance, large heat dissipation area and high safety performance, but the efficiency and the performance of fluid heating do not meet the design requirements of complete effective utilization. For example, in the prior art, a thick film heater for an electric rice cooker is generally manufactured by fixing a single heating plate on a back plate of the electric rice cooker so as to avoid contact between a thick film circuit on the heating plate and an object to be added, and to ensure the power supply requirement of the thick film heater and avoid electric leakage. The heater of the existing electric cooker is basically integrated in the device, so that the situations of large individual and large (thick) shell often occur in the processing process. The technique wherein depends on the inside thickness of carrying out the heater that generates heat, and current thick film heater thickness is than thicker, and the heating temperature often can appear simultaneously and detect the not accurate condition, often can make situations such as meal scorch, can not satisfy user's demand.
Because the space that the thick film heater used is less, traditional electric rice cooker thick film heater does not have the design to have thermodetector to make the condition that can scald the clothing carrying out the use, consequently, the security is not high, consequently, need design a higher electric iron thick film heater of security.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dull and stereotyped thick film heater solves current electric rice cooker thick film heater design complicacy, the not high technical problem of security. While the heating is supplied to the corresponding specific customer so as to be modified in design according to the structure of the product to be installed by the customer, including the installation hole or the leak hole therein, etc.
A flat thick film heater comprises a substrate layer and a dielectric layer, wherein the dielectric layer is arranged on the substrate layer, the heater also comprises a resistance layer, a conductor layer and a glass layer, the resistance layer and the conductor layer are both arranged on the dielectric layer, the glass layer is arranged on the resistance layer and the conductor layer,
the base plate layer is set to be a square structural plate, square holes are formed in the square structural plate, the dielectric layer and the glass layer are both provided with hollow frame structures, and the resistance layer is set to be a concave frame structure.
Further, the utility model discloses still include temperature sensor, temperature sensor sets up on the glass layer, temperature sensor is temperature sensor, temperature sensor comprises the NTC coating, temperature sensor is connected with the conductor layer.
Further, be provided with the fixed orifices on the base plate layer and reserve the through-hole, the quantity of fixed orifices is 6, sets up respectively on the four corners on base plate layer and the position of side board, the diameter of reserving the through-hole is greater than the diameter of fixed orifices, and the quantity of reserving the through-hole is two.
Further, a medium layer fixing hole and a medium layer reserved through hole area are formed in the medium layer, the medium layer fixing hole is arranged above the fixing hole, and the medium layer reserved through hole area is arranged above the reserved through hole.
The resistance layer is formed by resistance lines, the resistance lines are connected in series, the resistance layer is provided with resistance layer fixing holes, and the resistance layer fixing holes are formed in the dielectric layer fixing holes.
Furthermore, the conductor layer includes connecting wires and solder joint interfaces, the connecting wires interconnect the discontinuous parts of the disconnected resistance lines, the number of the solder joint interfaces is four, two of the solder joint interfaces are used as current input and output points of the resistance lines, and the other two solder joint interfaces are used as signal output points of the temperature sensor.
Furthermore, the glass layer is provided with a glass layer fixing hole and a welding spot leakage hole, the glass layer fixing hole is arranged above the resistor layer fixing hole, the welding spot leakage hole is arranged above the welding spot interface and is a leakage hole, the NTC coating is of a cuboid structure, the thickness of the NTC coating is 0.1-0.2mm, the length of the NTC coating is 1.8-2.5mm, the width of the NTC coating is 1.8-2.2mm, and the interval between the resistor lines is 11-19 micrometers.
The utility model adopts the above technical scheme, the utility model discloses following technological effect has:
the utility model discloses a dedicated thick film heater of electric rice cooker through setting up to make and directly install this thick film heater in the shell and be connected with the power and just can accomplish the heating effect, thereby make great quickening the production process of electric rice cooker manufacturer, the square frame structure of simultaneous design, the even advantage of electric rice cooker heating is better satisfied, this thick film heater installation has simultaneously been put into temperature sensor, thereby make better induction temperature, the temperature that can accurate detection heating, make the security higher; meanwhile, the thickness of the printed thermistor is only 0.1-0.2mm, and the thickness of the traditional chip resistor is more than 1mm, so that innovative progress is made in the thickness, the requirements of modern microelectronics are better met, and the short circuit caused by electric arcs is better prevented by the distance of the resistor wire.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Numbering in the figures: 1-substrate layer, 1.1-fixed hole, 1.2-reserved through hole, 2-dielectric layer, 2.1-dielectric layer fixed hole, 3-resistance layer, 3.1-resistance line, 3.2-resistance layer fixed hole, 4-conductor layer, 4.1-connecting wire, 4.2-welding point interface, 5-glass layer, 5.1-glass layer fixed hole, 5.2-welding point leak hole and 6-temperature sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1, the structural diagram of a flat thick film heater according to the present invention includes a substrate layer 1 and a dielectric layer 2, the dielectric layer 2 is disposed on the substrate layer 1, and further includes a resistance layer 3, a conductor layer 4, and a glass layer 5, wherein the resistance layer 3 and the conductor layer 4 are both disposed on the dielectric layer 2, the glass layer 5 is disposed on the resistance layer 3 and the conductor layer 4,
the base plate layer 1 is set to be a square structural plate, square holes are formed in the square structural plate, the dielectric layer 2 and the glass layer 5 are both provided with hollow frame structures, and the resistance layer 3 is set to be a concave frame structure. And the dielectric layer 2 is made of ceramic or other materials, so that the deformation of the substrate layer 1 can be better reduced. The substrate layer 1 is a metal plate, and the dielectric layer 2 is a ceramic layer or other insulating and heat-conducting plates. The empty frame structure can heat the electric cooker with a specific structure, and the effect is better. The substrate layer 1 has a size of 173mm x 108 mm. And a novel insulating material is used, so that the deformation of the steel plate is smaller after sintering. The resistor lines are simple in layout and the heat distribution is more uniform.
The present embodiment further includes a temperature sensor 6, the temperature sensor 6 is disposed on the glass layer 5, the temperature sensor 6 is a thermal sensor, the thermal sensor is a thermal sensor formed by an NTC coating, and the temperature sensor 6 is connected to the conductor layer 4. The resistance material of the NTC coating uses resistance paste with the model number of ESL NTC-2115; the NTC coating has thinner, more accords with the demand of modern microthin electron, and simultaneously the precision is also higher.
In this scheme embodiment, be provided with fixed orifices 1.1 and reservation through-hole 1.2 on the base plate layer 1, the quantity of fixed orifices 1.1 is 6, sets up respectively on the four corners on base plate layer 1 and the position of side board, the diameter ratio of reserving through-hole 1.2 is big than the diameter of fixed orifices 1.1, and the quantity of reserving through-hole 1.2 is two. The fixing hole 1.1 is used for fixing the heater during installation, and the reserved through hole 1.2 is used for allowing components suitable for a specific electric cooker to penetrate through, so that the requirements of the electric cooker can be better met.
In the embodiment of the scheme, a medium layer fixing hole 2.1 and a medium layer reserved through hole area are arranged on the medium layer 2, the medium layer fixing hole 2.1 is arranged above the fixing hole 1.1, and the medium layer reserved through hole area is arranged above the reserved through hole 1.2. The medium layer fixing hole 2.1 and the medium layer reserved through hole area are matched with the fixing hole 1.1 and the reserved through hole 1.2 for use, and the requirements of products are met.
In this embodiment, the resistance layer 3 is composed of a resistance line 3.1, the resistance line 3.1 and the resistance line 3.1 are connected in series, the resistance layer 3 is provided with a resistance layer fixing hole 3.2, and the resistance layer fixing hole 3.2 is arranged on a dielectric layer fixing hole 2.1. The number of the loops of the resistance line 3.1 is two, and the width and the thickness of the resistance line 3.1 are determined according to specific requirements.
In the embodiment of the present disclosure, the conductor layer 4 includes a connection wire 4.1 and solder joint interfaces 4.2, the connection wire 4.1 connects the discontinuous portions of the disconnected resistance wires 3.1 to each other, the number of the solder joint interfaces 4.2 is four, two of the four are used as current input/output points of the resistance wires 3.1, and the other two are used as signal output points of the temperature sensor 6. The connecting wire 4.1 is mainly used for connecting the preformed hole and the fixed hole to interrupt the resistance wire 3.1, so that closed-loop connection is realized.
In the embodiment of the scheme, a glass layer fixing hole 5.1 and a welding spot leakage hole 5.2 are formed in the glass layer 5, the glass layer fixing hole 5.1 is arranged above a resistor layer fixing hole 3.2, the welding spot leakage hole 5.2 is arranged above a welding spot interface 4.2 and is a leakage hole, the NTC coating is of a cuboid structure, the thickness of the NTC coating is 0.1-0.2mm, the length of the NTC coating is 1.8-2.5mm, the width of the NTC coating is 1.8-2.2mm, and the interval between the resistor line 3.1 and the resistor line 3.1 is 11-19 microns. Different thicknesses and lengths are set according to different requirements, so that the sensor can be well miniaturized, and the development requirements of modern microelectronics are met.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A flat thick film heater comprising a substrate layer (1) and a dielectric layer (2), the dielectric layer (2) being disposed on the substrate layer (1), characterized in that: the conductive glass further comprises a resistance layer (3), a conductor layer (4) and a glass layer (5), wherein the resistance layer (3) and the conductor layer (4) are both arranged on the dielectric layer (2), the glass layer (5) is arranged on the resistance layer (3) and the conductor layer (4),
the substrate layer (1) is set to be a square structural plate, square holes are formed in the square structural plate, the dielectric layer (2) and the glass layer (5) are both provided with hollow frame structures, and the resistance layer (3) is set to be a concave frame structure.
2. A flat thick film heater according to claim 1, wherein: the glass-reinforced composite material is characterized by further comprising a temperature sensor (6), wherein the temperature sensor (6) is arranged on the glass layer (5), the temperature sensor (6) is a thermosensitive sensor, the thermosensitive sensor is composed of an NTC coating, and the temperature sensor (6) is connected with the conductor layer (4).
3. A flat thick film heater according to claim 1, wherein: be provided with fixed orifices (1.1) and reserve through-hole (1.2) on base plate layer (1), the quantity of fixed orifices (1.1) is 6, sets up respectively on the four corners and the side board of base plate layer (1), the diameter ratio of reserving through-hole (1.2) is big than the diameter of fixed orifices (1.1), and the quantity of reserving through-hole (1.2) is two.
4. A flat thick film heater according to claim 2, wherein: the medium layer (2) is provided with a medium layer fixing hole (2.1) and a medium layer reserved through hole area, the medium layer fixing hole (2.1) is arranged above the fixing hole (1.1), and the medium layer reserved through hole area is arranged above the reserved through hole (1.2).
5. The flat plate thick film heater of claim 4, wherein: the resistance layer (3) comprises resistance line (3.1), series connection between resistance line (3.1) and resistance line (3.1), resistance layer (3) are provided with resistance layer fixed orifices (3.2), resistance layer fixed orifices (3.2) set up on dielectric layer fixed orifices (2.1).
6. The flat plate thick film heater of claim 5, wherein: the conductor layer (4) comprises connecting wires (4.1) and welding spot interfaces (4.2), the discontinuous parts of the disconnected resistance wires (3.1) are connected with each other through the connecting wires (4.1), the number of the welding spot interfaces (4.2) is four, two of the connecting wire are used as current input and output points of the resistance wires (3.1), and the other two connecting wire are used as signal output points of the temperature sensor (6).
7. The flat plate thick film heater of claim 6, wherein: the glass resistor is characterized in that a glass layer fixing hole (5.1) and a welding spot leakage hole (5.2) are formed in the glass layer (5), the glass layer fixing hole (5.1) is formed in the upper portion of the resistor layer fixing hole (3.2), the welding spot leakage hole (5.2) is formed in the upper portion of the welding spot interface (4.2) and is a leakage hole, the NTC coating is of a cuboid structure, the thickness of the NTC coating is 0.1-0.2mm, the length of the NTC coating is 1.8-2.5mm, the width of the NTC coating is 1.8-2.2mm, and the interval between the resistor line (3.1) and the resistor line (3.1) is 11-19 micrometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118535.7U CN210579295U (en) | 2019-01-24 | 2019-01-24 | Flat thick film heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118535.7U CN210579295U (en) | 2019-01-24 | 2019-01-24 | Flat thick film heater |
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| CN210579295U true CN210579295U (en) | 2020-05-19 |
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| CN201920118535.7U Active CN210579295U (en) | 2019-01-24 | 2019-01-24 | Flat thick film heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640407A (en) * | 2019-01-24 | 2019-04-16 | 广西桂仪科技有限公司 | A kind of plate thick film heater and manufacturing process |
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2019
- 2019-01-24 CN CN201920118535.7U patent/CN210579295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640407A (en) * | 2019-01-24 | 2019-04-16 | 广西桂仪科技有限公司 | A kind of plate thick film heater and manufacturing process |
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