CN205792273U - A kind of microwave dryer voltage multiplying rectifier plate - Google Patents
A kind of microwave dryer voltage multiplying rectifier plate Download PDFInfo
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- CN205792273U CN205792273U CN201620698469.1U CN201620698469U CN205792273U CN 205792273 U CN205792273 U CN 205792273U CN 201620698469 U CN201620698469 U CN 201620698469U CN 205792273 U CN205792273 U CN 205792273U
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- voltage
- outfan
- multiplying rectifier
- rectifier plate
- microwave dryer
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Abstract
This utility model relates to a kind of microwave dryer voltage multiplying rectifier plate, including cowling panel circuit substrate, transformator, high-voltage capacitance, high-voltage diode and cement resistor；The input of transformator is connected with power supply, and the outfan of transformator is connected with high-voltage capacitance；High-voltage capacitance is connected with the input of high-voltage diode；The outfan of high-voltage diode is connected with the positive pole of outfan and the input of mud resistance of voltage multiplying rectifier plate respectively；The outfan of cement resistor is connected with the negative pole of the outfan of voltage multiplying rectifier plate.The application is by PRHVP 16 type high-voltage diode and the use of the cement resistor of flat wide foot 30W47 Ω J, after working for a long time, the operating temperature of high-voltage diode and cement resistor is below 80 DEG C, it is to avoid the problem that fire accident occurs.
Description
Technical field
This utility model belongs to microwave dryer technical field, particularly relates to a kind of microwave dryer voltage multiplying rectifier plate.
Background technology
Microwave dryer generally under hot and humid environment use, when microwave dryer upon actuation, have about 2300V
High pressure can be flowed in the high-voltage diode of voltage multiplying rectifier plate from high-voltage capacitance, then is flowed into through internal circuit by high-voltage diode
The cement resistor of 47 Ω, finally exports the feedback signal of a 12V.
The mninidiode that high-voltage diode is pressure about the 2000V of plain edition of the microwave dryer of existing technology, water
Mud resistance is 30W47RJ type resistance, and microwave drying machine equipment ran after a period of time, controls this on voltage multiplying rectifier plate
Two element heating are serious, and temperature is up to about 120 DEG C, and the high temperature resistant degree of the two element is low, therefore again and again occur on fire
Accident.
Utility model content
The purpose of this utility model is to provide a kind of microwave dryer voltage multiplying rectifier plate, to solve kenetron and cement
The problem that resistance is prone to fire accident because of high temperature.
This utility model is achieved through the following technical solutions:
A kind of microwave dryer voltage multiplying rectifier plate, including cowling panel circuit substrate, transformator, high-voltage capacitance, high pressure two pole
Pipe and cement resistor；
Described transformator, described high-voltage capacitance, described high-voltage diode and described cement resistor may be contained within described rectification
On plate circuit substrate；
The input of described transformator is connected with power supply, and the outfan of described transformator is connected with described high-voltage capacitance；
Described high-voltage capacitance is connected with the input of described high-voltage diode；The outfan of described high-voltage diode respectively with
The positive pole of the outfan of voltage multiplying rectifier plate and the input of described cement resistor connect；
The outfan of described cement resistor is connected with the negative pole of the outfan of described voltage multiplying rectifier plate.
Further, also include that Spring connector plug, the afterbody of described Spring connector plug connect with the input of described high-voltage diode
Connecing, the head of described Spring connector plug coordinates with described high-voltage capacitance grafting.
Further, the maximum of described high-voltage capacitance is pressure for 2500V.
Further, also include that magnetron, described magnetron are connected with the outfan of described transformator.
Further, between the positive pole of the outfan of described high-voltage diode and the outfan of described voltage multiplying rectifier plate also
It is provided with filter capacitor.
Further, described high-voltage diode is kenotron.
Further, described cement resistor is the cement resistor of flat wide foot.
The beneficial effects of the utility model are:
The application passes through the use of the cement resistor of PRHVP-16 type high-voltage diode and flat wide foot HVP-16 47 Ω,
After working for a long time, the operating temperature of high-voltage diode and cement resistor is below 80 DEG C, it is to avoid generation thing on fire
Therefore problem.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of this utility model microwave dryer voltage multiplying rectifier plate.
Description of reference numerals
1 transformator, 2 high-voltage capacitances, 3 Spring connector plugs, 4 high-voltage diodes, 5 filter capacitors, 6 cement resistors, 7 magnetrons.
Detailed description of the invention
Describing the technical solution of the utility model by the following examples in detail, below example is only exemplary
, it is only capable of for explaining and illustrate the technical solution of the utility model, and is not to be construed as technical solutions of the utility model
Restriction.
This utility model provides a kind of microwave dryer voltage multiplying rectifier plate, as it is shown in figure 1, include cowling panel circuit substrate,
Transformator 1, high-voltage capacitance 2, high-voltage diode 4 and cement resistor 6.
Described transformator 1, described high-voltage capacitance 2, described high-voltage diode 4 and described cement resistor 6 may be contained within described
On cowling panel circuit substrate；In this application, cowling panel circuit substrate is prior art, in this application, to cowling panel circuit
The structures of substrate etc. are not the most improved, and therefore, in the present embodiment, are not described in detail cowling panel circuit substrate.
The input of described transformator 1 is connected with power supply, and in this application, power supply is 220V alternating current power supply, and 220V exchanges
Voltage, after transformator, is brought up to the design voltage scope of the application by power supply；In this application, the voltage that transformator promotes
Value is at about 2300V；This voltage is supplied to high-voltage capacitance 2, and in this application, the model of high-voltage capacitance 2 is 2500VAC1.1uF；
One end of high-voltage capacitance 2 is provided with jack.
The outfan of described transformator 1 is connected with described high-voltage capacitance 2；In this application, also include magnetron 7, at this
In embodiment, the model of magnetron 7 is 2M210-M1, and described magnetron 7 is connected with the outfan of described transformator 1.
Described high-voltage capacitance 2 is connected with the input of described high-voltage diode 4, and in the present embodiment, high-voltage capacitance 2 is with high
Pressure diode 4 is to be connected by Spring connector plug 3；The afterbody of described Spring connector plug 3 connects with the input of described high-voltage diode 4
Connecing, the head of described Spring connector plug 3 coordinates with the jack grafting of described high-voltage capacitance 2.
In this application, high-voltage diode 4 is PRHVP-16 type kenotron；Described high-voltage diode 4 defeated
Go out the end input respectively with the positive pole of the outfan of voltage multiplying rectifier plate and described cement resistor 6 to be connected.
It is additionally provided with filter between the positive pole of the outfan of described high-voltage diode 4 and the outfan of described voltage multiplying rectifier plate
Ripple electric capacity 5, in the present embodiment, filter capacitor 5 is electrochemical capacitor, and specification is 400V100uF.
The outfan of described cement resistor 6 is connected with the negative pole of the outfan of described voltage multiplying rectifier plate.In this application, institute
State the cement resistor that cement resistor is flat wide foot HVP-16 47 Ω.
By the way of explanation, only describe some one exemplary embodiment of the present utility model above, undoubtedly, for
Those of ordinary skill in the art, in the case of without departing from spirit and scope of the present utility model, can be with various different
Described embodiment is modified by mode.Therefore, above-mentioned accompanying drawing and description are the most illustrative, should not be construed as
Restriction to this utility model claims.
Claims (7)
1. a microwave dryer voltage multiplying rectifier plate, it is characterised in that: include cowling panel circuit substrate, transformator, high-voltage capacitance,
High-voltage diode and cement resistor；
Described transformator, described high-voltage capacitance, described high-voltage diode and described cement resistor may be contained within described cowling panel electricity
On base board；
The input of described transformator is connected with power supply, and the outfan of described transformator is connected with described high-voltage capacitance；
Described high-voltage capacitance is connected with the input of described high-voltage diode；The outfan of described high-voltage diode respectively with multiplication of voltage
The positive pole of the outfan of cowling panel and the input of described cement resistor connect；
The outfan of described cement resistor is connected with the negative pole of the outfan of described voltage multiplying rectifier plate.
Microwave dryer voltage multiplying rectifier plate the most according to claim 1, it is characterised in that: also include Spring connector plug, described
The afterbody of Spring connector plug is connected with the input of described high-voltage diode, and the head of described Spring connector plug is inserted with described high-voltage capacitance
Connect cooperation.
Microwave dryer voltage multiplying rectifier plate the most according to claim 1, it is characterised in that: the maximum of described high-voltage capacitance is resistance to
Pressure is 2500V.
Microwave dryer voltage multiplying rectifier plate the most according to claim 1, it is characterised in that: also include magnetron, described magnetic
Keyholed back plate is connected with the outfan of described transformator.
Microwave dryer voltage multiplying rectifier plate the most according to claim 1, it is characterised in that: defeated at described high-voltage diode
It is additionally provided with filter capacitor between the positive pole of the outfan going out end and described voltage multiplying rectifier plate.
Microwave dryer voltage multiplying rectifier plate the most according to claim 1, it is characterised in that: described high-voltage diode is high pressure
Commutation diode.
Microwave dryer voltage multiplying rectifier plate the most according to claim 1, it is characterised in that: described cement resistor is flat wide foot
Cement resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698469.1U CN205792273U (en) | 2016-07-05 | 2016-07-05 | A kind of microwave dryer voltage multiplying rectifier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698469.1U CN205792273U (en) | 2016-07-05 | 2016-07-05 | A kind of microwave dryer voltage multiplying rectifier plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205792273U true CN205792273U (en) | 2016-12-07 |
Family
ID=58127311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620698469.1U Active CN205792273U (en) | 2016-07-05 | 2016-07-05 | A kind of microwave dryer voltage multiplying rectifier plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205792273U (en) |
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2016
- 2016-07-05 CN CN201620698469.1U patent/CN205792273U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |