CN206894528U - Multifunctional high-power power source for helium-neon laser - Google Patents
Multifunctional high-power power source for helium-neon laser Download PDFInfo
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- CN206894528U CN206894528U CN201720451927.6U CN201720451927U CN206894528U CN 206894528 U CN206894528 U CN 206894528U CN 201720451927 U CN201720451927 U CN 201720451927U CN 206894528 U CN206894528 U CN 206894528U
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Abstract
The utility model provides a kind of multifunctional high-power power source for helium-neon laser, it is related to He-Ne laser technical field, including power supply, electromagnetic protection circuit, exchange partial pressure full bridge rectifier, pulse width modulation control circuit, He-Ne laser specification selection circuit, control circuit, current rectifying and wave filtering circuit, inverter circuit, voltage-multiplying circuit, feedback circuit and He-Ne laser.The input of control circuit is connected with the output end of He-Ne laser specification selection circuit, the input of inverter circuit is connected with the output end of control circuit, the output end of inverter circuit and the input of voltage-multiplying circuit connect, and the output end of control circuit and the input of voltage-multiplying circuit connect.The technical scheme alleviates existing He-Ne laser power supply and the technical problem of more specification He-Ne laser suitabilities difference, realize laser power supply to be adjusted the output current and voltage parameter of power supply according to He-Ne laser, improve the suitability of He-Ne laser power supply and He-Ne laser.
Description
Technical field
He-Ne laser technical field is the utility model is related to, more particularly, to a kind of multifunctional high-power He-Ne Lasers electricity
Source.
Background technology
Gas laser is the laser using gas or steam as operation material.Due to the optical-quality homogeneous of gaseous state operation material
Property is good more than solid, so gas laser is easily obtained the Gaussian beam of diffraction limit, good directionality.Gas operation material
Breadth of spectrum line is small more than solid, thus the monochromaticjty of laser is good.At present, He-Ne laser is as the first gas succeeded in developing
Laser, its application are also most extensive.He-Ne laser is that helium-neon gas is housed in quartz ampoule, under the excitation of electronics oscillator,
Generation inelastic collision, makes electron transition, releases the laser generation device of infrared ray.
During the utility model is realized, inventor has found that at least there are the following problems in the prior art:Existing helium
Neon laser is because its applicable situation is different, and model, specification and parameter are also not quite similar, and different He-Ne laser specifications, its
It is required that starting voltage, operating voltage, operating current it is also different, in order to ensure the normal operation of He-Ne laser, it is necessary to right
In the power supply of different He-Ne laser matching dimensions, and large laser production equipment is commonly provided with when being produced
The He-Ne laser of plurality of specifications, the power supply of existing He-Ne laser are difficult to the He-Ne laser for matching different size simultaneously,
Cause to apply the production equipment of laser complicated, while the power supply for configuring plurality of specifications adds production cost, it is therefore, existing
With the presence of the technical problem of the He-Ne laser suitability of technology He-Ne laser power supply and more specifications difference.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of multifunctional high-power power source for helium-neon laser, to alleviate
He-Ne laser power supply present in prior art and the technical problem of the He-Ne laser suitability difference of more specifications.
The utility model embodiment provides a kind of multifunctional high-power power source for helium-neon laser, including:Power supply, electromagnetic protection
Circuit, exchange partial pressure full bridge rectifier, pulse width modulation control circuit, He-Ne laser specification selection circuit, control electricity
Road, current rectifying and wave filtering circuit, inverter circuit, voltage-multiplying circuit, feedback circuit and He-Ne laser;
The output end of power supply is connected with the input of electromagnetic protection circuit;
The output end of electromagnetic protection circuit is respectively with exchanging the input of partial pressure full bridge rectifier and current rectifying and wave filtering circuit
It is connected;
The output end for exchanging partial pressure full bridge rectifier is defeated with control circuit and pulse width modulation control circuit respectively
Enter end to be connected;
The output end of current rectifying and wave filtering circuit is connected with the input of inverter circuit;The input of inverter circuit also with control
The output end of circuit is connected;
Output end of the input of control circuit also with He-Ne laser specification selection circuit is connected;
The output end of inverter circuit is connected with the input of voltage-multiplying circuit;
Input of the output end of voltage-multiplying circuit respectively with He-Ne laser and feedback circuit is connected;
The output end of feedback circuit is connected with the input of pulse width modulation control circuit;
The output end of pulse width modulation control circuit is connected with the input of control circuit;
Input of the output end of control circuit also respectively with voltage-multiplying circuit and feedback circuit is connected.
The utility model embodiment provides the first possible embodiment, wherein, the output voltage of power supply is 170V
~240V.
The utility model embodiment provides second of possible embodiment, wherein, inverter circuit is to be made up of metal-oxide-semiconductor
Half-bridge inversion circuit.
The utility model embodiment provides the third possible embodiment, wherein, electromagnetic protection circuit includes conjugation
Coil and ceramic disc capacitor.
The utility model embodiment provides the 4th kind of possible embodiment, wherein, feedback circuit includes resistance and the
One photoelectrical coupler.
The utility model embodiment provides the 5th kind of possible embodiment, wherein, control circuit include relay and
Second photoelectrical coupler.
The utility model embodiment provides the 6th kind of possible embodiment, wherein, inverter circuit and voltage-multiplying circuit it
Between be connected with high frequency transformer;The input of high frequency transformer is connected with the output end of inverter circuit, high frequency transformer it is defeated
Go out end with the input of voltage-multiplying circuit to be connected.
The utility model embodiment brings following beneficial effect:The utility model embodiment is provided a kind of multi-functional
High-power helium-neon laser power supply, including:Power supply, electromagnetic protection circuit, exchange partial pressure full bridge rectifier, pulse width modulation control
Circuit processed, He-Ne laser specification selection circuit, control circuit, current rectifying and wave filtering circuit, inverter circuit, voltage-multiplying circuit, feedback electricity
Road and He-Ne laser.The output end of power supply is connected with the input of electromagnetic protection circuit, the output end of electromagnetic protection circuit
It is connected respectively with exchanging the input of partial pressure full bridge rectifier and current rectifying and wave filtering circuit, exchange partial pressure full bridge rectifier
Input of the output end respectively with control circuit and pulse width modulation control circuit is connected, the output end of current rectifying and wave filtering circuit
It is connected with the input of inverter circuit.The input of inverter circuit is also connected with the output end of control circuit, control circuit
Output end of the input also with He-Ne laser specification selection circuit be connected, the output end of inverter circuit and voltage-multiplying circuit
Input is connected, and the input of the output end of voltage-multiplying circuit respectively with He-Ne laser and feedback circuit is connected, feedback electricity
The output end on road is connected with the input of pulse width modulation control circuit, the output end of pulse width modulation control circuit with
The input of control circuit is connected, and the input of the output end of control circuit also respectively with voltage-multiplying circuit and feedback circuit is connected
Connect.The technical scheme is combined by using He-Ne laser specification selection circuit with control circuit, realizes He-Ne laser
Power supply is adjusted according to the He-Ne laser of different size to the output current parameter and output voltage parameter of power supply so that helium
Neon laser power supply is applied to the He-Ne laser of plurality of specifications, and then improves the He-Ne of He-Ne laser power supply and more specifications
The suitability of laser, simplifies the structure of the production equipment using laser, and then reduces production cost, alleviates existing
He-Ne laser power supply existing for technology and the technical problem of the He-Ne laser suitability difference of more specifications.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of circuit connection diagram for multifunctional high-power power source for helium-neon laser that the utility model embodiment provides.
Icon:
1- power supplys;2- electromagnetic protection circuits;3- exchanges partial pressure full bridge rectifier;4- pulse width modulation control circuits;
5- He-Ne laser specification selection circuits;6- control circuits;7- current rectifying and wave filtering circuits;8- inverter circuits;9- high frequency transformers;
10- voltage-multiplying circuits;11- feedback circuits;12- He-Ne lasers.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
At present, existing He-Ne laser because its applicable situation it is different, model, specification and parameter are also not quite similar, without
Same He-Ne laser specification, its desired starting voltage, operating voltage, operating current are also different, in order to ensure that He-Ne swashs
The normal operation of light device is, it is necessary to match the power supply of dimension for different He-Ne lasers, and large laser production equipment
When being produced, the He-Ne laser of plurality of specifications is commonly provided with, the power supply of existing He-Ne laser is difficult to match simultaneously
The He-Ne laser of different size, cause to apply the production equipment of laser complicated, while configure the power supply of plurality of specifications
Production cost is added, based on this, a kind of multifunctional high-power power source for helium-neon laser that the utility model embodiment provides can be with
Realize output current parameter and output voltage parameter of the He-Ne laser power supply according to the He-Ne laser of different size to power supply
It is adjusted, and then improves the suitability of He-Ne laser power supply and the He-Ne laser of more specifications.
Referring to Fig. 1, a kind of circuit connection for multifunctional high-power power source for helium-neon laser that the utility model embodiment provides
Figure.The multifunctional high-power power source for helium-neon laser that the utility model embodiment provides, including power supply 1, electromagnetic protection circuit 2, friendship
Flow point pressure full bridge rectifier 3, pulse width modulation control circuit 4, He-Ne laser specification selection circuit 5, control circuit 6,
Current rectifying and wave filtering circuit 7, inverter circuit 8, voltage-multiplying circuit 10, feedback circuit 11 and He-Ne laser 12.
The output end of power supply is connected with the input of electromagnetic protection circuit.Further, the utility model embodiment carries
In the multifunctional high-power power source for helium-neon laser of confession, the output voltage of power supply is 170V~240V.The alternating voltage of power supply output
Transmit to the input of electromagnetic protection circuit, the decline of equipment, transmission channel or systematic function caused by electromagnetic interference.Electromagnetism is prevented
Protection circuit reduces the interference of the external interference source suffered by the alternating voltage of power output end, at the same reduce power supply to it is outside other
Interference caused by electronic device and external electrical network.
Further, in the multifunctional high-power power source for helium-neon laser that the utility model embodiment provides, electromagnetic protection electricity
Road includes associate coil and ceramic disc capacitor.
The output end of electromagnetic protection circuit is respectively with exchanging the input of partial pressure full bridge rectifier and current rectifying and wave filtering circuit
It is connected.
Exchanging partial pressure full bridge rectifier includes exchange bleeder circuit and full bridge rectifier, exchanges the effect of bleeder circuit
To carry out partial pressure using resistance series circuit, to change output voltage, full bridge rectifier is to be led using the unidirectional of diode
The general character carries out the conventional circuit of rectification, it is therefore an objective to which alternating current is changed into direct current.Exchange partial pressure full bridge rectifier is will
The signal of electromagnetic protection circuit output is depressured, and rectification is converted to direct current signal, is control circuit and pulse width modulation
Control circuit is powered.Control circuit is the control circuit that AT80C51 is embedded, and pulse width modulation is a kind of analog control mode,
It changes come the biasing of modulation transistor base stage or metal-oxide-semiconductor grid according to respective loads, to realize transistor or metal-oxide-semiconductor conducting
The change of time, so as to realize the change of switching power supply output.Further, the output of partial pressure full bridge rectifier is exchanged
The input respectively with control circuit and pulse width modulation control circuit is held to be connected.
The signal of electromagnetic protection circuit output is obtained pulsed dc voltage by current rectifying and wave filtering circuit after full-bridge rectification, then right
Pulsed dc voltage filters off high-frequency harmonic using electrochemical capacitor, obtains filtered DC voltage.
The output end of current rectifying and wave filtering circuit is connected with the input of inverter circuit.The input of inverter circuit also with control
The output end of circuit is connected.
In the multifunctional high-power power source for helium-neon laser that the utility model embodiment provides, inverter circuit is by metal-oxide-semiconductor group
Into half-bridge inversion circuit.The output end of pulse width modulation control circuit is connected with the input of control circuit.
The filtered DC voltage that current rectifying and wave filtering circuit generates is added to the defeated of the half-bridge inversion circuit that is made up of metal-oxide-semiconductor
Enter end, one group of complementation square-wave signal is exported by pulse width modulation control circuit, after the amplification of control circuit signal, make inversion electric
Two half-bridge inversion circuits are turned on and ended in turn in road.
The output end of inverter circuit is connected with the input of voltage-multiplying circuit.Voltage-multiplying circuit is by the side of the generation of inverter circuit
Ripple high frequency voltage carries out multiplication of voltage and rectification, produces starting voltage breakdown He-Ne laser, starts laser works, when laser just
Often after work, output voltage standard is changed to operating voltage by voltage-multiplying circuit.
Further, the utility model embodiment provide multifunctional high-power power source for helium-neon laser in, inverter circuit 8 with
High frequency transformer 9 is connected between voltage-multiplying circuit 10.The input of high frequency transformer is connected with the output end of inverter circuit, high
The output end of frequency power transformer is connected with the input of voltage-multiplying circuit.
High frequency transformer is boosted the DC voltage that half-bridge inversion circuit exports, so as to which current rectifying and wave filtering circuit be generated
DC voltage be changed into HF square-wave voltage.
Input of the output end of voltage-multiplying circuit respectively with He-Ne laser and feedback circuit is connected.Feedback circuit it is defeated
Go out end with the input of pulse width modulation control circuit to be connected.Further, more work(that the utility model embodiment provides
In energy high-power helium-neon laser power supply, feedback circuit includes resistance and the first photoelectrical coupler.
When laser operating voltage produces fluctuation, by the feedback circuit that resistance and the first photoelectrical coupler form by electricity
Pressure signal is fed back on pulse width modulation control circuit, and changing output square wave pulse width by pulse width modulation control circuit makes to swash
Light device operating voltage keeps stable.
Output end of the input of control circuit also with He-Ne laser specification selection circuit is connected.He-Ne laser is advised
Lattice selection circuit includes load information Acquisition Circuit and gearshift switching circuit.He-Ne laser specification selection circuit is believed according to load
Circuit information of the Acquisition Circuit to load circuit information gathering is ceased, to default circuit in the circuit information and circuit of load circuit
Rated value is compared, and by shifting gears, switching circuit is shifted gears, and realizes the switching of the specification of He-Ne laser, and then realizes helium
Neon laser power supply is adjusted according to the He-Ne laser of different size to the output current parameter and output voltage parameter of power supply
It is whole so that He-Ne laser power supply be applied to plurality of specifications He-Ne laser, and then improve He-Ne laser power supply with it is more
The suitability of the He-Ne laser of specification, simplifies the structure of the production equipment using laser, and then reduces production cost.
Input of the output end of control circuit also respectively with voltage-multiplying circuit and feedback circuit is connected.The utility model is real
In the multifunctional high-power power source for helium-neon laser for applying example offer, control circuit includes relay and the second photoelectrical coupler.By controlling
The Control voltage-multiplying circuit of circuit processed, change the corresponding starting voltage of different size laser and operating voltage.By controlling
Second photoelectrical coupler feedback control circuit of circuit, change the corresponding operating current of different size laser.
The multifunctional high-power power source for helium-neon laser that the utility model embodiment is provided, including:Power supply, electromagnetic protection electricity
Road, exchange partial pressure full bridge rectifier, pulse width modulation control circuit, He-Ne laser specification selection circuit, control circuit,
Current rectifying and wave filtering circuit, inverter circuit, voltage-multiplying circuit, feedback circuit and He-Ne laser.The output end of power supply and electromagnetic protection electricity
The input on road is connected, and the output end of electromagnetic protection circuit is respectively with exchanging partial pressure full bridge rectifier and current rectifying and wave filtering circuit
Input be connected, exchange partial pressure full bridge rectifier output end respectively with control circuit and pulse width modulation control electricity
The input on road is connected, and the output end of current rectifying and wave filtering circuit is connected with the input of inverter circuit.The input of inverter circuit
End is also connected with the output end of control circuit, the output of the input of control circuit also with He-Ne laser specification selection circuit
End is connected, and the output end of inverter circuit is connected with the input of voltage-multiplying circuit, the output end of voltage-multiplying circuit respectively with He-Ne
Laser is connected with the input of feedback circuit, the output end of feedback circuit and the input of pulse width modulation control circuit
It is connected, the output end of pulse width modulation control circuit is connected with the input of control circuit, the output end of control circuit
Input also respectively with voltage-multiplying circuit and feedback circuit is connected.The technical scheme selects by using He-Ne laser specification
Circuit is combined with control circuit, realizes He-Ne laser power supply according to output of the He-Ne laser of different size to power supply
Current parameters and output voltage parameter are adjusted so that and He-Ne laser power supply is applied to the He-Ne laser of plurality of specifications,
And then the suitability of He-Ne laser power supply and the He-Ne laser of more specifications is improved, simplify and set using the production of laser
Standby structure, and then production cost is reduced, alleviate the He-Ne of He-Ne laser power supply existing for prior art and more specifications
The technical problem of laser suitability difference.
In the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can
To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that:Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that:It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic;And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be wanted with the right
The protection domain asked is defined.
Claims (7)
- A kind of 1. multifunctional high-power power source for helium-neon laser, it is characterised in that including:Power supply, electromagnetic protection circuit, exchange partial pressure Full bridge rectifier, pulse width modulation control circuit, He-Ne laser specification selection circuit, control circuit, rectifying and wave-filtering electricity Road, inverter circuit, voltage-multiplying circuit, feedback circuit and He-Ne laser;The output end of the power supply is connected with the input of electromagnetic protection circuit;The output end of the electromagnetic protection circuit exchanges partial pressure full bridge rectifier and the current rectifying and wave filtering circuit with described respectively Input be connected;The output end of the exchange partial pressure full bridge rectifier controls with the control circuit and the pulse width modulation respectively The input of circuit is connected;The output end of the current rectifying and wave filtering circuit is connected with the input of the inverter circuit;The input of the inverter circuit Output end also with the control circuit is connected;Output end of the input of the control circuit also with the He-Ne laser specification selection circuit is connected;The output end of the inverter circuit is connected with the input of the voltage-multiplying circuit;Input of the output end of the voltage-multiplying circuit respectively with the He-Ne laser and the feedback circuit is connected;The output end of the feedback circuit is connected with the input of the pulse width modulation control circuit;The output end of the pulse width modulation control circuit is connected with the input of the control circuit;Input of the output end of the control circuit also respectively with the voltage-multiplying circuit and the feedback circuit is connected.
- 2. multifunctional high-power power source for helium-neon laser according to claim 1, it is characterised in that the output electricity of the power supply Press as 170V~240V.
- 3. multifunctional high-power power source for helium-neon laser according to claim 1, it is characterised in that the inverter circuit is served as reasons The half-bridge inversion circuit of metal-oxide-semiconductor composition.
- 4. multifunctional high-power power source for helium-neon laser according to claim 1, it is characterised in that the electromagnetic protection circuit Including associate coil and ceramic disc capacitor.
- 5. multifunctional high-power power source for helium-neon laser according to claim 1, it is characterised in that the feedback circuit includes Resistance and the first photoelectrical coupler.
- 6. multifunctional high-power power source for helium-neon laser according to claim 1, it is characterised in that the control circuit includes Relay and the second photoelectrical coupler.
- 7. multifunctional high-power power source for helium-neon laser according to claim 1, it is characterised in that the inverter circuit and institute State and be connected with high frequency transformer between voltage-multiplying circuit;The output end phase of the input of the high frequency transformer and the inverter circuit Connection, the output end of the high frequency transformer are connected with the input of the voltage-multiplying circuit.
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CN201720451927.6U CN206894528U (en) | 2017-04-27 | 2017-04-27 | Multifunctional high-power power source for helium-neon laser |
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CN201720451927.6U CN206894528U (en) | 2017-04-27 | 2017-04-27 | Multifunctional high-power power source for helium-neon laser |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108616222A (en) * | 2018-07-10 | 2018-10-02 | 南京工业大学 | A kind of multi gear for clarifying smoke exports high voltage power supply |
CN110890921A (en) * | 2018-09-07 | 2020-03-17 | 瑞昱半导体股份有限公司 | Laser diode control circuit with rectifier in feedback control loop |
-
2017
- 2017-04-27 CN CN201720451927.6U patent/CN206894528U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108616222A (en) * | 2018-07-10 | 2018-10-02 | 南京工业大学 | A kind of multi gear for clarifying smoke exports high voltage power supply |
CN110890921A (en) * | 2018-09-07 | 2020-03-17 | 瑞昱半导体股份有限公司 | Laser diode control circuit with rectifier in feedback control loop |
CN110890921B (en) * | 2018-09-07 | 2021-04-27 | 瑞昱半导体股份有限公司 | Laser diode control circuit with rectifier in feedback control loop |
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