CN207652736U - A kind of power supply circuit of LED light source beam-defining clipper - Google Patents
A kind of power supply circuit of LED light source beam-defining clipper Download PDFInfo
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- CN207652736U CN207652736U CN201721848185.7U CN201721848185U CN207652736U CN 207652736 U CN207652736 U CN 207652736U CN 201721848185 U CN201721848185 U CN 201721848185U CN 207652736 U CN207652736 U CN 207652736U
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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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses a kind of power supply circuit of LED light source beam-defining clipper, including beam-defining clipper LED light source drive circuit board and the connecting terminal, bridge rectifier filter circuit, the LM2596 voltage conversion circuits that are respectively arranged on beam-defining clipper LED light source drive circuit board；The connecting terminal, bridge rectifier filter circuit, LM2596 voltage conversion circuits are sequentially connected；The utility model realizes the power supply power supply of LED light source beam-defining clipper with the circuit design structure optimized, and makes the 24V electric supply systems of its compatible universal, and can be worked normally under severe net voltage.
Description
Technical field
The utility model belongs to the technical field of medical X-ray generator beam-defining clipper, especially a kind of LED light source beam-defining clipper
Power supply circuit.
Background technology
With the increasingly maturation of X-ray technology, use is also more and more extensive, especially medically uses all the more frequency
It is numerous.Wherein medical X-ray camera chain often with the power supply circuit of accessory beam-defining clipper light source be limit that it is widely popularized it is important because
Element, existing power supply circuit power consumption is high, and luminance is low, and output is established a capital for the DC voltage shakiness that LED light source works in certain journey
The use of medical X ray machine is limited on degree.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, power consumption can be reduced, improve the effect that shines by providing one kind
Rate keeps the zone boundary of visible light projection clear and exports the LED light source beam-defining clipper of the DC voltage for LED light source the operation is stable
Power supply circuit.
To achieve the goals above, the utility model uses following technical scheme：
A kind of power supply circuit of LED light source beam-defining clipper, including beam-defining clipper LED light source drive circuit board and it is respectively arranged on limit
Connecting terminal, bridge rectifier filter circuit, LM2596 voltage conversion circuits on beam device LED light source drive circuit board；It is described to connect
Line terminals, bridge rectifier filter circuit, LM2596 voltage conversion circuits are sequentially connected.
The bridge rectifier filter circuit includes diode D1, diode D2, diode D3, diode D4；Two pole
The anode of pipe D1 and the interface 1 of connecting terminal connect, and cathode is connect with the cathode of diode D3；The anode of the diode D3 with
The interface 2 of connecting terminal connects；The cathode of the diode D2 and the interface 1 of connecting terminal connect, and cathode is with diode D4's
Anode connects；The cathode of the diode D4 and the interface 2 of connecting terminal connect.
Further explanation to the utility model, the LM2596 voltage conversion circuits include LM2596 chips, capacitance C1,
Capacitance C2, inductance L1, zener diode ZD1；The pin 1 of the LM2596 chips passes through node and diode D1 and diode D3
Connecting line connection；The pin 2 of the LM2596 chips is connect with the one end inductance L1；The pin 3 of the LM2596 chips and draw
Foot 5 is connect with the connecting line of diode D2 and diode D4 respectively by connecting line, and is grounded；The pin of the LM2596 chips
4 connect with the anode of capacitance C2, and are connect with the inductance L1 other ends by node；The capacitance C1 anodes and LM2596 chips
Pin 1 is connect with the connecting line of diode D1 and diode D3, the pin 3 and pin 5 and diode of cathode and LM2596 chips
D2 is connected with the connecting line of diode D4；The capacitance C2 anodes are connect with the pin 4 of LM2596 chips, cathode ground connection；It is described
Zener diode ZD1 cathodes are connect with the pin 2 of LM2596 chips, anode and the pin 3 and pin 5 of LM2596 chips and two poles
Pipe D2 is connected with the extended line of the connecting line of diode D4.
Input circuit carries out rectifying and wave-filtering using the bridge rectifier of four diode compositions, is adapted in the market often
Exchange 24V and the requirement of direct current 24V control sources.Rear class is using LM2956 chips and its peripheral circuits progress+24V to+5V
The conversion of voltage, to supply the 5V power supply power supplies requirement of LED light source beam-defining clipper circuit requirement；By voltage conversion chip LM2956 and
There is the power-switching circuit of peripheral circuits composition the wide range input voltage of 12V~30V, the voltage range to adapt to 24V confessions
The wider power network fluctuation in electric system location, power supply 24V variation in voltage amplitudes are up to 25%.
Compared with prior art, the utility model has the advantage that：
1. the circuit of the utility model is applied in LED light source beam-defining clipper, circuit structure is simple, and can directly replace
Other beam-defining clipper work are without any change.
2. the utility model simplifies power supply circuit, the power consumption of visible light source is reduced, luminous efficiency is improved, making can
The zone boundary of light-exposed projection is clear, and maximum is characterized in that wide-range power inputs, and exports the direct current for LED light source the operation is stable
Pressure.
Description of the drawings
Fig. 1 is the structure connection diagram of the utility model；
Fig. 2 is the circuit connection diagram of the utility model.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples, but the scope of protection of the utility model is not
It is limited only to following specific examples.
Embodiment：
A kind of power supply circuit of LED light source beam-defining clipper, including beam-defining clipper LED light source drive circuit board and it is respectively arranged on limit
Connecting terminal, bridge rectifier filter circuit, LM2596 voltage conversion circuits on beam device LED light source drive circuit board；It is described to connect
Line terminals, bridge rectifier filter circuit, LM2596 voltage conversion circuits are sequentially connected.
The bridge rectifier filter circuit includes diode D1, diode D2, diode D3, diode D4；Two pole
The anode of pipe D1 and the interface 1 of connecting terminal connect, and cathode is connect with the cathode of diode D3；The anode of the diode D3 with
The interface 2 of connecting terminal connects；The cathode of the diode D2 and the interface 1 of connecting terminal connect, and cathode is with diode D4's
Anode connects；The cathode of the diode D4 and the interface 2 of connecting terminal connect.
The LM2596 voltage conversion circuits include LM2596 chips, capacitance C1, capacitance C2, inductance L1, zener diode
ZD1；The pin 1 of the LM2596 chips is connect by node with the connecting line of diode D1 and diode D3；The LM2596
The pin 2 of chip is connect with the one end inductance L1；The pin 3 and pin 5 of the LM2596 chips by connecting line respectively with two poles
Pipe D2 is connected with the connecting line of diode D4, and is grounded；The pin 4 of the LM2596 chips is connect with the anode of capacitance C2, and
It is connect with the inductance L1 other ends by node；Pin 1 and diode D1 and two poles of the capacitance C1 anodes with LM2596 chips
The connecting line of pipe D3 connects, and cathode connects with the pin 3 of LM2596 chips and the connecting line of pin 5 and diode D2 and diode D4
It connects；The capacitance C2 anodes are connect with the pin 4 of LM2596 chips, cathode ground connection；The zener diode ZD1 cathodes with
The pin 2 of LM2596 chips connects, the company of anode and the pin 3 and pin 5 and diode D2 and diode D4 of LM2596 chips
The extended line of wiring connects.
Input voltage 24V inputs and passes through the bridge rectifier of diode D1, D2, D3, D4 composition through connecing connecting terminal
It is converted into 24V DC voltages to power to circuit chip LM2596,24V DC voltages pass through LM2596 chips and its surrounding component
The voltage conversion circuit of C1, ZD1, L1, C2 composition is converted into+5V voltage outputs to LED light source circuit and realizes power supply.
Bridge rectifier filter circuit can realize conversion of the input ac voltage to DC voltage, to input direct-current voltage without shadow
It rings.The voltage conversion circuit of circuit chip LM2596 and the element of surrounding composition sees feelings input wide-voltage range 12V~30V's
Stable 5V DC voltages can be exported under condition, are realized and be can be used normally immediately in the more severe area of net voltage fluctuation.
Claims (2)
1. a kind of power supply circuit of LED light source beam-defining clipper, it is characterised in that：Including beam-defining clipper LED light source drive circuit board and
Connecting terminal, bridge rectifier filter circuit, the LM2596 voltages conversion electricity being respectively arranged on beam-defining clipper LED light source drive circuit board
Road；The connecting terminal, bridge rectifier filter circuit, LM2596 voltage conversion circuits are sequentially connected；
The bridge rectifier filter circuit includes diode D1, diode D2, diode D3, diode D4；The diode D1
Anode and the interface 1 of connecting terminal connect, cathode connect with the cathode of diode D3；The anode of the diode D3 and wiring
The interface 2 of terminal connects；The cathode of the diode D2 and the interface 1 of connecting terminal connect, the anode of cathode and diode D4
Connection；The cathode of the diode D4 and the interface 2 of connecting terminal connect.
2. the power supply circuit of LED light source beam-defining clipper according to claim 1, it is characterised in that：The LM2596 voltages turn
It includes LM2596 chips, capacitance C1, capacitance C2, inductance L1, zener diode ZD1 to change circuit；The pin 1 of the LM2596 chips
It is connect with the connecting line of diode D1 and diode D3 by node；The pin 2 of the LM2596 chips connects with the one end inductance L1
It connects；The pin 3 and pin 5 of the LM2596 chips are connected with the connecting line of diode D2 and diode D4 respectively by connecting line
It connects, and is grounded；The pin 4 of the LM2596 chips is connect with the anode of capacitance C2, and is connected by node and the inductance L1 other ends
It connects；The capacitance C1 anodes are connect with the pin 1 of LM2596 chips with the connecting line of diode D1 and diode D3, cathode with
The pin 3 and pin 5 of LM2596 chips are connect with the connecting line of diode D2 and diode D4；The capacitance C2 anodes with
The pin 4 of LM2596 chips connects, cathode ground connection；The zener diode ZD1 cathodes are connect with the pin 2 of LM2596 chips,
Anode is connect with the pin 3 of LM2596 chips and pin 5 with the extended line of the connecting line of diode D2 and diode D4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848185.7U CN207652736U (en) | 2017-12-26 | 2017-12-26 | A kind of power supply circuit of LED light source beam-defining clipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848185.7U CN207652736U (en) | 2017-12-26 | 2017-12-26 | A kind of power supply circuit of LED light source beam-defining clipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652736U true CN207652736U (en) | 2018-07-24 |
Family
ID=62875439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721848185.7U Active CN207652736U (en) | 2017-12-26 | 2017-12-26 | A kind of power supply circuit of LED light source beam-defining clipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652736U (en) |
-
2017
- 2017-12-26 CN CN201721848185.7U patent/CN207652736U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200709 Address after: No.82 Gaoling Road, Jiangnan District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI DAOJI MEDICAL EQUIPMENT Co.,Ltd. Address before: 530031 the Guangxi Zhuang Autonomous Region mayor of Nanning Road No. 16 Patentee before: NANNING YIJU MEDICAL ELECTRONIC Co.,Ltd. |
|
| TR01 | Transfer of patent right |