CN210927476U - Continuous conduction boost converter for refrigerator - Google Patents
Continuous conduction boost converter for refrigerator Download PDFInfo
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- CN210927476U CN210927476U CN201822243249.1U CN201822243249U CN210927476U CN 210927476 U CN210927476 U CN 210927476U CN 201822243249 U CN201822243249 U CN 201822243249U CN 210927476 U CN210927476 U CN 210927476U
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Abstract
The utility model discloses a continuous conduction boost converter for a refrigerator, which comprises a rectifier bridge circuit, a first controller module and a second controller module; the rectifier bridge circuit is connected with the first controller module, and the first controller module is connected with the second controller module; the utility model discloses a TIUCC28180PFC controller has that all necessary protections are built-in, can realize switching on in succession, and the electric current ripples of output is less, and accords with domestic appliance's electric current harmonic service standard, and the circuit is simple, uses components and parts few, has reduced manufacturing cost, has better use value.
Description
Technical Field
The utility model relates to the converter field especially involves a switch on boost converter in succession for refrigerator.
Background
A boost converter is a power converter that converts a dc input voltage to a regulated dc output voltage that is higher than the input voltage.
In the power electronic application, for example, the home appliances and computers need to be switched, and the power supply industry based on the existing home appliances has been developed towards high efficiency and high power (power factor), so that there is a strict requirement for the power factor of the electrical equipment.
The boost converter used by the household appliance in the current market can not realize continuous conduction boost, has low stability coefficient and consumes a large amount of power in a standby state.
The prior art has defects and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a switch on boost converter in succession for refrigerator has solved above-mentioned problem.
In order to solve the above problem, the utility model provides a technical scheme as follows:
a continuous conduction boost converter for a refrigerator comprises a rectifying bridge circuit, a first controller module and a second controller module; the rectifier bridge circuit is connected with the first controller module, and the first controller module is connected with the second controller module.
According to the preferable technical scheme, the rectification bridge circuit comprises a connector J1, a bridge rectifier BR1, fixed resistors R1-R2, fixed resistors R5-R7, an iron core coil L1, diodes D1-D3, a field effect transistor Q1, capacitors C13 and C5.
Preferably, a port 1 of the connector J1 is connected to a pin 2 of the rectifier bridge BR1, a pin 3 of the bridge rectifier BR1 is connected to a port 3 of the connector J1, a pin 4 of the connector J1 is connected to a first end of the fixed resistor R6, a first end of the fixed resistor R2, and a second end of the capacitor C1, respectively, a pin 1 of the bridge rectifier BR1 is connected to a first end of the capacitor C1, a first end of the iron core coil L1, and an anode of the diode D2, a second end of the iron core coil L1 is connected to a pin 2 of the fet Q1 and an anode of the diode D1, a second end of the fixed resistor R1 is connected to a first end of the fixed resistor R7, a pin 1 of the fet Q1 is connected to first ends of the fixed resistors R3-R5, respectively, a second end of the fixed resistor R3 is connected to an anode of the diode D3, and a pin 3 of the fet Q1 is connected to an anode of the diode D673654, The second terminal of the capacitor C5 and the second terminal of the fixed resistor R2 are both grounded.
In a preferred technical scheme, the first controller module comprises an integrated circuit U1, a diode D4, a diode LED1, capacitors C2-C4, capacitors C6-C9, a switch S1 and fixed resistors R8 and R15.
In a preferred embodiment, pin 2 of the integrated circuit U1 is connected to the first terminal of the capacitor C2, pin 3 is connected to the first terminal of the capacitor C3, the cathode of the diode D4 is connected to the second terminal of the fixed resistor R6, pin 4 is connected to the first terminal of the fixed resistor R10, pin 8 is connected to the second terminal of the fixed resistor R5 and the cathode of the diode D3, pin 7 is connected to the first terminals of the capacitors C6 to C7, the first terminal of the fixed resistor R15 is connected to the first terminal of the switch S1, pin 6 is connected to the first terminal of the capacitor C4, the first terminal of the fixed resistor R11 and the second terminal of the fixed resistor R8, pin 5 is connected to the first terminal of the fixed resistor R9 and the first terminal of the capacitor C8, the second terminal of the fixed resistor R9 is connected to the first terminal of the capacitor C9, the first terminal of the fixed resistor R8 is connected to the second terminal of the fixed resistor R7, the anode of the diode D4, the second ends of the capacitors C2-C4, the pin 1 of the integrated circuit U1, the second ends of the capacitors C6-C9 and the second ends of the fixed resistors R10-R11 are all grounded, the second end of the fixed resistor R15 is connected with the anode of the diode LED1, and the cathode of the diode LED1 is grounded.
According to the preferable technical scheme, the second controller module comprises an integrated circuit U2, diodes D5-D7, iron core coils L2-L3, a connector J2, fixed resistors R12-R14 and capacitors C10-C13.
Preferably, pin 4 and pin 3 of the integrated circuit U2 are connected to the first end of the capacitor C10, respectively, and pin 3 is connected to the first ends of the fixed resistors R12 to R13, the second end of the fixed resistor R12 is connected to the first end of the capacitor C12 and the negative electrode of the diode D5, the positive electrode of the diode D5 is connected to the first end of the iron core coil L3, the second end of the switch D1, the first end of the capacitor C11, the first end of the fixed resistor R14, the negative electrode of the diode D7, the first end of the capacitor C13 and the second end of the iron core coil L2, the second end of the iron core coil L3 is connected to the port 3 of the connector J2, the port 2 of the connector J2 and the second end of the capacitor C11 are both grounded, the port 1 of the connector J2 is connected to a voltage of 5V, and the first end of the iron core coil L2 is connected to the second end of the capacitor C12 and the second end of the fixed resistor R13, The second end of the capacitor C10, the cathode of the diode D6 and the pin 1-2 of the integrated circuit U2 are connected, the anodes of the diodes D6-D7, the second end of the capacitor C13 and the second end of the fixed resistor R14 are all grounded, and the cathode of the diode D2, the first end of the capacitor C5 and the first end of the fixed resistor R1 are connected with the pin 5 and the pin 8 of the integrated circuit U2.
Compared with the prior art, adopt above-mentioned scheme, the utility model discloses a TIUCC28180PFC controller has that all necessary protections are built-in, can realize switching on in succession, and the electric current ripples of output is less, and accords with domestic appliance's electric current harmonic service standard, and the circuit is simple, uses components and parts few, has reduced manufacturing cost, has better use value.
Drawings
For a clearer explanation of the embodiments or technical solutions in the prior art, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a circuit diagram of a rectifier bridge type of a continuous conduction boost converter for a refrigerator according to the present invention;
fig. 2 is a circuit diagram of a first controller module of a continuous conduction boost converter for a refrigerator according to the present invention;
fig. 3 is a circuit diagram of a second controller module of a continuous conduction boost converter for a refrigerator according to the present invention;
fig. 4 is a schematic diagram of a continuous conduction boost converter for a refrigerator according to the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1-4, one embodiment of the present invention is:
a continuous conduction boost converter for a refrigerator comprises a rectifying bridge circuit, a first controller module and a second controller module; the rectifier bridge circuit is connected with the first controller module, and the first controller module is connected with the second controller module.
Preferably, the rectifying bridge circuit comprises a connector J1, a bridge rectifier BR1, fixed resistors R1-R2, fixed resistors R5-R7, an iron core coil L1, diodes D1-D3, a field effect transistor Q1 and capacitors C13 and C5.
Preferably, a port 1 of the connector J1 is connected to a pin 2 of the rectifier bridge BR1, a pin 3 of the bridge rectifier BR1 is connected to a port 3 of the connector J1, a pin 4 of the connector J1 is connected to a first end of the fixed resistor R6, a first end of the fixed resistor R2 and a second end of the capacitor C1, a pin 1 of the bridge rectifier BR1 is connected to a first end of the capacitor C1, a first end of the iron core coil L1 and an anode of the diode D2, a second end of the iron core coil L1 is connected to a pin 2 of the field effect transistor Q1 and an anode of the diode D1, a second end of the fixed resistor R1 is connected to a first end of the fixed resistor R7, a pin 1 of the field effect transistor Q1 is connected to first ends of the fixed resistors R3-R5, a second end of the fixed resistor 539r 3 is connected to an anode of the diode D3, and a pin 3 of the field effect transistor Q1 is connected to an anode of the diode D, The second terminal of the capacitor C5 and the second terminal of the fixed resistor R2 are both grounded.
Preferably, the first controller module comprises an integrated circuit U1, a diode D4, a diode LED1, capacitors C2-C4, capacitors C6-C9, a switch S1 and fixed resistors R8 and R15.
Preferably, pin 2 of the integrated circuit U1 is connected to the first terminal of the capacitor C2, pin 3 is connected to the first terminal of the capacitor C3, the cathode of the diode D4 and the second terminal of the fixed resistor R6, pin 4 is connected to the first terminal of the fixed resistor R10, pin 8 is connected to the second terminal of the fixed resistor R5 and the cathode of the diode D3, pin 7 is connected to the first terminals of the capacitors C6-C7, the first terminal of the fixed resistor R15 and the first terminal of the switch S1, pin 6 is connected to the first terminal of the capacitor C4, the first terminal of the fixed resistor R11 and the second terminal of the fixed resistor R8, pin 5 is connected to the first terminal of the fixed resistor R9 and the first terminal of the capacitor C8, the second terminal of the fixed resistor R9 is connected to the first terminal of the capacitor C9, the first terminal of the fixed resistor 539r 8 is connected to the second terminal of the fixed resistor R7, the anode of the diode D4, the second ends of the capacitors C2-C4, the pin 1 of the integrated circuit U1, the second ends of the capacitors C6-C9 and the second ends of the fixed resistors R10-R11 are all grounded, the second end of the fixed resistor R15 is connected with the anode of the diode LED1, and the cathode of the diode LED1 is grounded.
Preferably, the second controller module comprises an integrated circuit U2, diodes D5-D7, ferrite coils L2-L3, a connector J2, fixed resistors R12-R14 and capacitors C10-C13.
Preferably, pin 4 and pin 3 of the integrated circuit U2 are connected to the first end of the capacitor C10, respectively, and are connected to the first ends of the fixed resistors R12-R13, the second end of the fixed resistor R12 is connected to the first end of the capacitor C12 and the negative electrode of the diode D5, the positive electrode of the diode D5 is connected to the first end of the ferrite coil L3, the second end of the switch D1, the first end of the capacitor C11, the first end of the fixed resistor R14, the negative electrode of the diode D7, the first end of the capacitor C13 and the second end of the ferrite coil L2, the second end of the ferrite coil L3 is connected to the port 3 of the connector J2, the port 2 of the connector J2 and the second end of the capacitor C11 are both grounded, the port 1 of the connector J2 is connected to 5V, and the first end of the ferrite coil L2 is connected to the second end of the capacitor C12 and the second end of the fixed resistor R13, The second end of the capacitor C10, the cathode of the diode D6 and the pin 1-2 of the integrated circuit U2 are connected, the anodes of the diodes D6-D7, the second end of the capacitor C13 and the second end of the fixed resistor R14 are all grounded, and the cathode of the diode D2, the first end of the capacitor C5 and the first end of the fixed resistor R1 are connected with the pin 5 and the pin 8 of the integrated circuit U2.
It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A continuous conduction boost converter for a refrigerator is characterized by comprising a rectifier bridge circuit, a first controller module and a second controller module; the rectifier bridge circuit is connected with the first controller module, and the first controller module is connected with the second controller module.
2. The continuous-conduction boost converter for the refrigerator according to claim 1, wherein said rectifier bridge circuit comprises a connector J1, a bridge rectifier BR1, fixed resistors R1-R2, fixed resistors R5-R7, a ferrite core coil L1, diodes D1-D3, a field effect transistor Q1 and capacitors C13, C5.
3. The consecutive conduction boost converter according to claim 2, wherein the port 1 of said connector J1 is connected to the pin 2 of said rectifier bridge BR1, the pin 3 of said bridge rectifier BR1 is connected to the port 3 of said connector J1, the pin 4 is connected to the first terminal of said fixed resistor R6, the first terminal of fixed resistor R2 and the second terminal of capacitor C1, the pin 1 of said bridge rectifier BR1 is connected to the first terminal of said capacitor C1, the first terminal of core coil L1 and the anode of diode D2, the second terminal of said core coil L1 is connected to the pin 2 of said FET Q1 and the anode of diode D1, the second terminal of said fixed resistor R1 is connected to the first terminal of said fixed resistor R7, the pin 1 of said FET Q1 is connected to the first terminals of said fixed resistors R3-R5, the second terminal of the fixed resistor R3 is connected to the anode of the diode D3, and pin 3 of the fet Q1, the second terminal of the capacitor C5, and the second terminal of the fixed resistor R2 are all grounded.
4. The continuous-conduction boost converter for the refrigerator according to claim 1, wherein said first controller module comprises an integrated circuit U1, a diode D4, a diode LED1, capacitors C2-C4, capacitors C6-C9, a switch S1, and fixed resistors R8, R15.
5. A continuous conduction boost converter for refrigerator according to claim 4, characterized in that pin 2 of said integrated circuit U1 is connected to the first terminal of said capacitor C2, pin 3 is connected to the first terminal of said capacitor C3, respectively, to the cathode of diode D4 and to the second terminal of a fixed resistor R6, pin 4 is connected to the first terminal of said fixed resistor R10, pin 8 is connected to the second terminal of said fixed resistor R5 and to the cathode of diode D3, pin 7 is connected to the first terminals of said capacitors C6-C7, respectively, to the first terminal of fixed resistor R15 and to the first terminal of switch S1, pin 6 is connected to the first terminal of said capacitor C4, to the first terminal of fixed resistor R11 and to the second terminal of fixed resistor R8, pin 5 is connected to the first terminal of said fixed resistor R9 and to the first terminal of capacitor C8, respectively, the second terminal of said fixed resistor R9 is connected to the first terminal of said capacitor C9, the first end of the fixed resistor R8 is connected with the second end of the fixed resistor R7, the anode of the diode D4, the second ends of the capacitors C2-C4, the pin 1 of the integrated circuit U1, the second ends of the capacitors C6-C9 and the second ends of the fixed resistors R10-R11 are all grounded, the second end of the fixed resistor R15 is connected with the anode of the diode LED1, and the cathode of the diode LED1 is grounded.
6. The continuous-conduction boost converter for the refrigerator according to claim 5, wherein said second controller module comprises an integrated circuit U2, diodes D5-D7, iron core coils L2-L3, a connector J2, fixed resistors R12-R14 and capacitors C10-C13.
7. The continuous-conduction boost converter for the refrigerator according to claim 6, wherein pin 4 of the integrated circuit U2 is connected to the first end of the capacitor C10, pin 3 is connected to the first ends of the fixed resistors R12-R13, respectively, the second end of the fixed resistor R12 is connected to the first end of the capacitor C12 and the negative end of the diode D5, the positive electrode of the diode D5 is connected to the first end of the iron core coil L3, the second end of the switch D1, the first end of the capacitor C11, the first end of the fixed resistor R14, the negative electrode of the diode D7, the first end of the capacitor C13 and the second end of the iron core coil L2, the second end of the iron core coil L3 is connected to the port 3 of the connector J2, the port 2 of the connector J2 and the second end of the capacitor C11 are grounded, the port 1 of the connector J5 is connected to a voltage V, and the first end of the iron core coil L3923 and the second end of the capacitor C12 are connected to the second end of the capacitor C57324, The second end of the fixed resistor R13, the second end of the capacitor C10, the cathode of the diode D6 and the pin 1-2 of the integrated circuit U2 are connected, the anodes of the diodes D6-D7, the second end of the capacitor C13 and the second end of the fixed resistor R14 are all grounded, and the cathode of the diode D2, the first end of the capacitor C5 and the first end of the fixed resistor R1 are connected with the pin 5 and the pin 8 of the integrated circuit U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822243249.1U CN210927476U (en) | 2018-12-29 | 2018-12-29 | Continuous conduction boost converter for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822243249.1U CN210927476U (en) | 2018-12-29 | 2018-12-29 | Continuous conduction boost converter for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210927476U true CN210927476U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822243249.1U Expired - Fee Related CN210927476U (en) | 2018-12-29 | 2018-12-29 | Continuous conduction boost converter for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210927476U (en) |
-
2018
- 2018-12-29 CN CN201822243249.1U patent/CN210927476U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |