CN208623560U - A kind of high-performance electric source circuit - Google Patents
A kind of high-performance electric source circuit Download PDFInfo
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- CN208623560U CN208623560U CN201821367557.9U CN201821367557U CN208623560U CN 208623560 U CN208623560 U CN 208623560U CN 201821367557 U CN201821367557 U CN 201821367557U CN 208623560 U CN208623560 U CN 208623560U
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- module
- master controller
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- signal
- electric source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The utility model discloses a kind of high-performance electric source circuits, including master controller, master controller is connected with rectification module, voltage changing module and switching tube by signal one-way transmission indicating circuit, switching tube is connected with ac input end and rectification module by signal one-way transmission indicating circuit, filter module is connected with voltage changing module and rectification module by signal one-way transmission indicating circuit, conversion module is connected with master controller by signal transmitted in both directions indicating circuit, and conversion module is connected with voltage changing module and DC output end by signal one-way transmission indicating circuit；The utility model high-performance electric source circuit, using master controller as switching tube master control, circuit integration active power factor correction circuit, very high power factor and very low total harmonic distortion may be implemented, master controller adjusts the output frequency of switching tube by rear class sampling, to reach synchronous with bearing power.
Description
Technical field
The utility model relates to a kind of circuit, specially a kind of high-performance electric source circuit.
Background technique
Well known Switching Power Supply be using semiconductor devices by DC power supply be modulated into can by transformer transmit it is each
Kind of impulse waveform, and frequency is significantly larger than mains frequency, sends out the high-frequency current high frequency all much smaller by volume weight this
Then transformer transmitting is being opened (supersaturation) and is being closed as exporting in rectifying and wave-filtering again since power semiconductor only works
Disconnected two states, so referred to as Switching Power Supply.But Switching Power Supply currently on the market once burns fuse, and it is most to burn insurance
Number is because late-class circuit high current causes, that is subsequent circuit has short circuit, such as switch tube short circuit, current-limiting resistance burn out,
Wafer damage and the short circuit of bridge heap and big filter capacitor damage can all cause to blow insurance, and phenomenon of the failure is that energization is reactionless；Base
In disadvantages described above, we design a kind of high-performance electric source circuit that can overcome disadvantages described above in daily life experience.
Utility model content
Once the technical problems to be solved in the utility model is that existing Switching Power Supply late-class circuit is overcome to have high current to pass through
Caused short circuit will lead to fuse and burn, and be unable to the defect of regulating switch pipe output frequency, provide a kind of high-performance power supply
Circuit, to solve the above problems.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model provides a kind of high-performance electric source circuit, including master controller, and master controller is unidirectionally passed by signal
Defeated indicating circuit is connected with rectification module, voltage changing module and switching tube, and rectification module is connected by signal one-way transmission indicating circuit
It is connected to switching tube and filter module, switching tube is connected with exchange incoming end, exchange access by signal one-way transmission indicating circuit
Input ac power is held, filter module transmits indicating circuit by signal individual event and is connected with voltage changing module, and voltage changing module passes through letter
Number one-way transmission indicating circuit is connected with conversion module, and conversion module is connected with main control by signal transmitted in both directions indicating circuit
Device, conversion module are connected with DC output end by signal one-way transmission indicating circuit.
As a kind of optimal technical scheme of the utility model, master controller is using GM6182 chip.
As a kind of optimal technical scheme of the utility model, there are bridge rectifier U1, bridge rectifier in rectification module
It is provided with fuse FU1 on U1 and the connection circuit for exchanging incoming end, and connects and is parallel with capacitor Cx, bridge rectifier on circuit
The output end of U1 passes through the VCC pin and VDD pin that resistance R1 connects master controller with resistance R3 respectively.
As a kind of optimal technical scheme of the utility model, filter module is connected to the output end of rectification module, filtering
Module includes in parallel filter capacitor C1 and filter capacitor C2, is provided in the connection line of filter capacitor C1 and filter capacitor C2
Inductance L1.
As a kind of optimal technical scheme of the utility model, transformer T1 is provided in voltage changing module, transformer T1 is adopted
It is EFD15 model, the drain that one end of transformer T1 passes sequentially through field-effect tube Q1 connects master controller with resistance R5
GATE pin, the ISEN pin of the source electrode connection master controller of field-effect tube Q1, the source electrode of field-effect tube Q1 pass through capacitor C6 simultaneously
The GND pin being associated on master controller, the other end ground connection of capacitor C6.
As a kind of optimal technical scheme of the utility model, DC converter U2, DC converter is provided in conversion module
U2 input terminal passes sequentially through inductance L2 and connects voltage changing module with diode D4, in DC converter U2 and voltage changing module connection line simultaneously
It is associated with diode D5 and the one end capacitor C5, DC converter U2 passes sequentially through the CAL that diode D6 connects master controller with resistance R8
Pin.
As a kind of optimal technical scheme of the utility model, the model that field-effect tube Q1 is used can be FDD3N40 type
Number or AOD3N50 model in any one.
The utility model beneficial effect achieved is: a kind of high-performance electric source circuit of the utility model, using main control
Device is as Switching Power Supply master control, suitable for exchanging the inverse-excitation type isolation drive of 85V-265V gamut input voltage.Circuit integration
Very high power factor and very low total harmonic distortion may be implemented in active power factor correction circuit, due to working in inductance
Electric current critical continuous conduction mode, power tube are in zero current turning-on state, and switching tube loss is also reduced, while master controller is logical
Later grade samples, to reach synchronous with bearing power to adjust the output frequency of switching tube, and on master controller connection circuit
Multiple protective is further comprised to increase the reliability of system, open-circuit-protection, short-circuit protection, current sampling resistor open circuit and short circuit are protected
Shield and Cycle by Cycle control protection, and each defencive function all has the function of to restart.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model circuit diagram.
Figure label: 1, master controller；2, incoming end is exchanged；3, switching tube；4, rectification module；5, filter module；6, become
Die block；7, conversion module；8, DC output end.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
In the description of the present invention, it should be noted that the instructions such as term "vertical", "upper", "lower", "horizontal"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment: as shown in Figs. 1-2, the utility model provides a kind of high-performance electric source circuit, including master controller 1, main
Controller 1 is connected with rectification module 4, voltage changing module 6 and switching tube 3 by signal one-way transmission indicating circuit, and rectification module 4 is logical
It crosses signal one-way transmission indicating circuit and is connected with switching tube 3 and filter module 5, switching tube 3 passes through signal one-way transmission instruction electricity
Road is connected with exchange incoming end 2, and filter module 5 transmits indicating circuit by signal individual event and is connected with voltage changing module 6, voltage changing module
6 are connected with conversion module 7 by signal one-way transmission indicating circuit, and conversion module 7 is connected by signal transmitted in both directions indicating circuit
It is connected to master controller 1, conversion module 7 is connected with DC output end 8 by signal one-way transmission indicating circuit, exchanges incoming end 2
Short-circuit protection is provided in the connection line of input ac power, ac input end 2 and rectification module 4, rectification module 4 will input
Alternating current be converted to direct current and send out, although because rectification module can convert alternating current to direct current, its pulse at
It is point larger, so filter module 5 need to be added, it keep direct current more smooth to reduce the ripple component after rectification in direct current, it is defeated
Direct current out is sent to voltage changing module 6, and the transformer T1 in voltage changing module can according to actual needs boost to direct current
Decompression, the direct current after transformation is sent to master controller 1 by transformer T1, after master controller 1 carries out sampling analysis, conversion module
Fixed direct current is transformed into the variable DC voltage of different frequency by the DC converter U2 in 7, so as to adjust 3 frequency of switching tube,
Reach the matching way of output, short circuit will not be caused because of the high current of late-class circuit, and master controller 1 connects on circuit and also includes
Multiple protective increases the reliability of system, open-circuit-protection, short-circuit protection, current sampling resistor open circuit and short-circuit protection, with
And Cycle by Cycle control protection, and each defencive function all has the function of to restart.
Further, master controller 1 is using GM6182 chip.
Further, there are bridge rectifier U1, bridge rectifier U1 and the connection electricity for exchanging incoming end 2 in rectification module 4
Road is provided with fuse FU1, and connects and be parallel with capacitor Cx on circuit, and the output end of bridge rectifier U1 passes through resistance respectively
R1 connects the VCC pin and VDD pin of master controller 1 with resistance R3.
Further, filter module 5 is connected to the output end of rectification module 4, and filter module 5 includes filter capacitor in parallel
Inductance L1 is provided in the connection line of C1 and filter capacitor C2, filter capacitor C1 and filter capacitor C2, filter module 5 can reduce
Ripple component after rectification in direct current keeps direct current more smooth.
Further, transformer T1 is provided in voltage changing module 6, transformer T1 is using EFD15 model, transformer T1
One end pass sequentially through the drain of field-effect tube Q1 and connect the GATE pin of master controller 1, the source of field-effect tube Q1 with resistance R5
Pole connects the ISEN pin of master controller 1, and the source electrode of field-effect tube Q1 is drawn by the GND that capacitor C6 is parallel on master controller 1
Foot, the other end ground connection of capacitor C6, transformer T1 can be boosted and are depressured according to actual needs to the direct current in circuit.
Further, be provided in conversion module 7 DC converter U2, DC converter U2 input terminal pass sequentially through inductance L2 and
It is parallel with diode D5 and capacitor C5 in diode D4 connection voltage changing module 6, DC converter U2 and 6 connection line of voltage changing module,
The one end DC converter U2 passes sequentially through the CAL pin that diode D6 connects master controller 1 with resistance R8, and DC converter U2 will be fixed
Direct current be transformed into the variable DC voltage of different frequency.
Further, the model that field-effect tube Q1 is used can be any one in FDD3N40 model or AOD3N50 model
Kind.
Specifically, a kind of high-performance electric source circuit of the utility model, master controller 1 passes through signal one-way transmission indicating circuit
It is connected with rectification module 4, voltage changing module 6 and switching tube 3, rectification module 4 is connected with out by signal one-way transmission indicating circuit
Pipe 3 and filter module 5 are closed, switching tube 3 is connected with exchange incoming end 2 by signal one-way transmission indicating circuit, and filter module 5 is logical
It crosses signal individual event transmission indicating circuit and is connected with voltage changing module 6, voltage changing module 6 is connected with by signal one-way transmission indicating circuit
Conversion module 7, conversion module 7 are connected with master controller 1 by signal transmitted in both directions indicating circuit, and conversion module 7 passes through signal
One-way transmission indicating circuit is connected with DC output end 8, exchanges 2 input ac power of incoming end, ac input end 2 and rectification mould
Short-circuit protection is provided in the connection line of block 4, the alternating current of input is converted to direct current and sent out by rectification module 4, because
Although rectification module can convert alternating current to direct current, its ripple component is larger, so filter module 5 need to be added, to subtract
Ripple component after small rectification in direct current keeps direct current more smooth, and the direct current of output is sent to voltage changing module 6, transformation mould
Transformer T1 in block can carry out voltage raising and reducing to direct current according to actual needs, and transformer T1 transmits electrically the direct current after transformation
To master controller 1, after master controller 1 carries out sampling analysis, the DC converter U2 in conversion module 7 changes fixed direct current
Reach the matching way of output at the variable DC voltage of different frequency so as to adjust 3 frequency of switching tube, it will not be because of late-class circuit
High current cause short circuit, and master controller 1 connects and further comprises multiple protective on circuit to increase the reliability of system, open circuit
Protection, short-circuit protection, current sampling resistor open circuit and short-circuit protection and Cycle by Cycle control protection, and each defencive function is all
Have the function of to restart.
Finally, it should be noted that the above is only the preferred embodiment of the utility model, it is not limited to practical
It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (7)
1. a kind of high-performance electric source circuit, which is characterized in that including master controller (1), master controller (1) is unidirectionally passed by signal
Defeated indicating circuit is connected with rectification module (4), voltage changing module (6) and switching tube (3), and rectification module (4) is unidirectionally passed by signal
Defeated indicating circuit is connected with switching tube (3) and filter module (5), and switching tube (3) is connected by signal one-way transmission indicating circuit
Have exchange incoming end (2), exchange incoming end (2) input ac power, filter module (5) transmits indicating circuit by signal individual event
It is connected with voltage changing module (6), voltage changing module (6) is connected with conversion module (7), modulus of conversion by signal one-way transmission indicating circuit
Block (7) is connected with master controller (1) by signal transmitted in both directions indicating circuit, and conversion module (7) is referred to by signal one-way transmission
Show that circuit connection there are DC output end (8).
2. a kind of high-performance electric source circuit according to claim 1, which is characterized in that master controller (1) using
GM6182 chip.
3. a kind of high-performance electric source circuit according to claim 1, which is characterized in that rectification module has bridge-type whole in (4)
Device U1 is flowed, is provided with fuse FU1 on bridge rectifier U1 and the connection circuit for exchanging incoming end (2), and connect on circuit simultaneously
It is associated with capacitor Cx, the output end of bridge rectifier U1 passes through the VCC pin that resistance R1 connects master controller (1) with resistance R3 respectively
With VDD pin.
4. a kind of high-performance electric source circuit according to claim 1, which is characterized in that filter module (5) is connected to rectification
The output end of module (4), filter module (5) include the filter capacitor C1 and filter capacitor C2 of parallel connection, filter capacitor C1 and filtering
Inductance L1 is provided in the connection line of capacitor C2.
5. a kind of high-performance electric source circuit according to claim 1, which is characterized in that voltage changing module is provided with change in (6)
Using EFD15 model, one end of transformer T1 passes sequentially through the drain and resistance of field-effect tube Q1 by depressor T1, transformer T1
The GATE pin of R5 connection master controller (1), the ISEN pin of source electrode connection master controller (1) of field-effect tube Q1, field-effect
The source electrode of pipe Q1 is parallel with the GND pin on master controller (1), the other end ground connection of capacitor C6 by capacitor C6.
6. a kind of high-performance electric source circuit according to claim 1, which is characterized in that conversion module is provided with DC in (7)
Converter U2, DC converter U2 input terminal passes sequentially through inductance L2 and connects with diode D4 voltage changing module (6), DC converter U2 with
Be parallel with diode D5 in voltage changing module (6) connection line and the one end capacitor C5, DC converter U2 pass sequentially through diode D6 and
The CAL pin of resistance R8 connection master controller (1).
7. a kind of high-performance electric source circuit according to claim 5, which is characterized in that the model that field-effect tube Q1 is used can
To be any one in FDD3N40 model or AOD3N50 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821367557.9U CN208623560U (en) | 2018-08-23 | 2018-08-23 | A kind of high-performance electric source circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821367557.9U CN208623560U (en) | 2018-08-23 | 2018-08-23 | A kind of high-performance electric source circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208623560U true CN208623560U (en) | 2019-03-19 |
Family
ID=65716772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821367557.9U Active CN208623560U (en) | 2018-08-23 | 2018-08-23 | A kind of high-performance electric source circuit |
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| Country | Link |
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| CN (1) | CN208623560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219356A (en) * | 2021-04-21 | 2021-08-06 | 苏州汇川技术有限公司 | Battery detection system and method |
-
2018
- 2018-08-23 CN CN201821367557.9U patent/CN208623560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219356A (en) * | 2021-04-21 | 2021-08-06 | 苏州汇川技术有限公司 | Battery detection system and method |
| CN113219356B (en) * | 2021-04-21 | 2023-12-19 | 苏州汇川技术有限公司 | Battery detection system and method |
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