CN206524517U - The low-power semiconductor laser powered and controlled using mobile phone charging interface - Google Patents
The low-power semiconductor laser powered and controlled using mobile phone charging interface Download PDFInfo
- Publication number
- CN206524517U CN206524517U CN201720170575.7U CN201720170575U CN206524517U CN 206524517 U CN206524517 U CN 206524517U CN 201720170575 U CN201720170575 U CN 201720170575U CN 206524517 U CN206524517 U CN 206524517U
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- CN
- China
- Prior art keywords
- mobile phone
- semiconductor laser
- microcontroller
- charging interface
- phone charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is related to the low-power semiconductor laser that a kind of utilization mobile phone charging interface is powered and controlled, including interface circuit, microcontroller, laser drive circuit, semiconductor laser diode, the first lens group；The interface circuit is docked with mobile phone charging interface；The interface circuit is sequentially connected the microcontroller, the laser drive circuit, the semiconductor laser diode；The microcontroller be used for by the interface circuit receive mobile phone transmission come information or feed back to mobile phone, and instructed accordingly according to the delivering received；First lens group is placed in the semiconductor laser diode rear end, and the laser for being sent to the semiconductor laser diode carries out optical treatment.The utility model is used to solve the laser using external special driving power supply to power and control power output, and volume is not compact enough, the problem of carrying inconvenient.
Description
Technical field
The utility model is related to field of laser device technology, more particularly to a kind of utilization mobile phone charging interface is powered and controlled
Low-power semiconductor laser.
Background technology
Laser is to utilize stimulated radiation principle, light is amplified or vibrate the device of transmitting in some materials being stimulated.
The features such as laser has high brightness, high directivity, high monochromaticity and high coherence.Semiconductor laser is made with semi-conducting material
For the laser of operation material, the features such as with small volume, compact conformation, low lightweight, energy consumption, efficiency high.Laser medicine,
The fields such as laser ranging, position indicator, detecting instrument are widely used.Existing semiconductor laser is mostly using external special
Driving power supply power and control power output, volume is not compact enough, carries inconvenient.
Utility model content
The purpose of this utility model be to overcome the shortcoming of prior art powered there is provided one kind using mobile phone charging interface and
The low-power laser of control.
In order to solve the above technical problems, the technical solution of the utility model is：
The low-power semiconductor laser that a kind of utilization mobile phone charging interface is powered and controlled, including interface circuit, micro-control
Device processed, laser drive circuit, semiconductor laser diode, the first lens group；The interface circuit is docked with mobile phone charging interface；
The interface circuit is sequentially connected the microcontroller, the laser drive circuit, the semiconductor laser diode；It is described micro-
Controller be used for by the interface circuit receive mobile phone transmission come information or feed back to mobile phone, and according to receiving
Delivering is instructed accordingly；First lens group is placed in the semiconductor laser diode rear end, for partly being led to described
The laser that volumetric laser diode is sent carries out optical treatment.
Further, in addition to current detection circuit；The current detection circuit be connected to the laser drive circuit with
Between the semiconductor laser diode, and it is connected with the microcontroller；The current detection circuit is used to detect described half
Current detecting result is simultaneously fed back to the microcontroller by the driving current of conductor Laser diode.
Further, the further pole of semiconductor laser two according to the current detecting output control of the microcontroller
The driving current of pipe is in given threshold range.
Further, the interface circuit is wholely set with the microcontroller, and the microcontroller directly fills with mobile phone
Electrical interface is docked.
Further, in addition to the second lens group；Second lens group is placed in the output end of first lens group；Institute
The second lens group is stated for demountable structure；For exporting light of different shapes.
Further, second lens group is cylindrical mirror.
Further, including housing, the housing has resettlement section and host cavity；The resettlement section is used to house hand
Machine, the host cavity swashs for housing the interface circuit, the microcontroller, the laser drive circuit, the semiconductor
Optical diode and first lens group；The interface circuit is provided with the plug receptacle that cooperation is patched with mobile phone charging interface,
The plug receptacle extends out from the host cavity to the resettlement section.
Compared with prior art, the utility model has advantages below：Because present smart mobile phone has generally been used,
Directly power supply is provided using mobile phone charging interface and control low-power laser, can use hand at any time when needing to use laser
Machine drives and controlled, and eliminates the trouble for carrying control power supply, more more compact structure, small and exquisite exquisiteness.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used for explaining the utility model together, does not constitute to limitation of the present utility model.
Accompanying drawing 1 is schematic block circuit diagram of the present utility model.
Accompanying drawing 2 is a kind of embodiment structural representation of the present utility model.
Main element symbol description
Interface circuit 1
Microcontroller 2
Laser drive circuit 3
Current detection circuit 4
Semiconductor laser diode 5
First lens group 6
Second lens group 7
Housing 8
Host cavity 10
Plug receptacle 9
Resettlement section 11
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Such as Fig. 1, the low-power semiconductor laser that a kind of utilization mobile phone charging interface is powered and controlled, including interface circuit
1st, microcontroller 2, laser drive circuit 3, semiconductor laser diode 5, the first lens group 6；The interface circuit 1 fills with mobile phone
Electrical interface is docked；The interface circuit 1 is sequentially connected the microcontroller 2, the laser drive circuit 3, the semiconductor and swashed
Optical diode 5；The microcontroller 2 be used for by the interface circuit 1 receive mobile phone transmission come information or feed back to
Mobile phone, and instructed accordingly according to the delivering received；First lens group 6 is placed in the semiconductor laser diode
5 rear ends, the laser for being sent to the semiconductor laser diode 5 carries out optical treatment.
The microcontroller 2 is connected by the interface circuit 1 with the data transfer pin of mobile phone charging interface, described to connect
Mouth circuit 1 is the bridge that the microcontroller 2 is communicated with mobile phone, receives the control instruction that mobile phone is sent, and be transmitted to described
Microcontroller 2 is handled, or by the information back of the microcontroller 2 to mobile phone.The microcontroller 2 uses single-chip microcomputer or embedding
Entering formula etc. has the electronic component or circuit of control function.
For Android mobile phone, mobile phone charging interface is generally USB interface (including USB1.0, USB2.0, USB3.0, USB
Type-C etc.), the interface circuit 1 utilizes wherein data transfer pin：DATA+ and DATA- pins are communicated, if also had
Other pins need connection, judge just to connect in such as USB Type-C interfaces or reversal connection pin, then the interface circuit 1 or
The microcontroller 2 should also design corresponding pin and be attached thereto.Lightning interfaces, Dock interfaces for iPhone
Or other types of interface, then the interface circuit 1 carried out also by data transfer pin DATA+ and DATA- pin therein
Communication.
The instruction that the laser drive circuit 3 is used to be sent according to the microcontroller 2 controls the semiconductor laser two
The operating current and voltage of pole pipe 5, operating current and voltage can change according to instruction.
First lens group 6 is placed in the rear end of semiconductor laser diode 5, for the pole of semiconductor laser two
Laser that pipe 5 is sent carries out optical treatment, such as being assembled to laser, expand, collimate, filter, imitate the light beam of output
Fruit is more preferably.
Whole laser circuit system provides electric current by the power supply pin of mobile phone charging interface, mobile phone charging interface
Power supply pin can provide 5V or 3.3V voltage.For USB interface, the power supply pin of mobile phone charging interface is typically carried
The electric current of confession is even more big up to 500mA.Therefore, the power that the power supply pin of mobile phone charging interface can be provided is at least up to
1.5W or so, the semiconductor laser diode 5 of work and driving below 1.5W for whole laser circuit system is sufficient
It is enough.
When it is implemented, needing to be provided with corresponding control program on mobile phone, for sending control instruction or showing whole
The relevant information of the working condition of individual laser circuit system.
Further optimize, in addition to current detection circuit 4；The current detection circuit 4 is connected to the laser and driven
Move between circuit 3 and the semiconductor laser diode 5, and be connected with the microcontroller 2；The current detection circuit 4 is used
In the driving current for detecting the semiconductor laser diode 5 and current detecting result is fed back into the microcontroller 2.
Further, the further semiconductor laser two according to the current detecting output control of the microcontroller 2
The driving current of pole pipe 5 is in given threshold range.The threshold range is, more than or equal to first threshold voltage, to be less than or equal to
Second threshold voltage.
When detecting driving current less than first threshold electric current or higher than Second Threshold electric current, the microcontroller 2 can
Take corresponding measure.The first threshold electric current is the threshold current of the semiconductor laser diode 5.Specifically, when detection
When being less than first threshold electric current to the driving current of the semiconductor laser diode 5, the microcontroller 2 control improves described
The driving current of semiconductor laser diode 5；When the driving current for detecting the semiconductor laser diode 5 is higher than the second threshold
When being worth electric current, the control of microcontroller 2 reduction or the driving current for cutting off the semiconductor laser diode 5, so as to
Avoid, cause driving current to become big when there are other failures such as short circuit because of the laser circuit system, so as to damage described sharp
Light device damages mobile phone.It is preferred that, when detecting within 30% of driving current higher than Second Threshold electric current, the microcontroller
The control reduction driving current of device 2 is between first threshold electric current and Second Threshold electric current；When detecting driving current higher than the
Two threshold currents more than 30% when, the microcontroller 2 cuts off driving current.It is demonstrated experimentally that when driving current is super for a long time
When crossing Second Threshold electric current more than 30%, the life-span of the semiconductor laser diode 5 can be greatly reduced, and has one to mobile phone
Fixed damage.The Second Threshold electric current can be fixed value, and the Second Threshold electric current can be 400~600mA.This implementation
In example, the Second Threshold electric current is about 500mA.
The interface circuit 1 is wholely set with the microcontroller 2, and the microcontroller 2 is directly and mobile phone charging interface
Docking.If the microcontroller 2 is integrated with the function of interface circuit 1, directly it can be charged with the microcontroller 2 and mobile phone
Interface docking is communicated.
Further optimize, in addition to the second lens group 7；Second lens group 7 is placed in first lens group 6
Output end；Second lens group 7 is demountable structure；For exporting light of different shapes.
Second lens group 7 is cylindrical mirror, and it is placed for exporting " one " word laser, or according to particular condition in use
Second lens group 7 of his shape, the light of exportable required shape.
Such as Fig. 2, in other embodiments, further comprise housing 8, the housing 8 has resettlement section 11 and host cavity
10；The resettlement section 11 is used to house mobile phone, the host cavity 10 be used to housing the interface circuit 1, the microcontroller 2,
The laser drive circuit 3, the semiconductor laser diode 5 and first lens group 6；The interface circuit 1 is set
There is the plug receptacle 9 that cooperation is patched with mobile phone charging interface, the plug receptacle 9 extends from the host cavity 10 to the resettlement section 11
Out.When it is implemented, after mobile phone charging interface is docked with the plug receptacle 9, mobile phone is placed on into the resettlement section 11, solve
Mobile phone is determined and the laser is used separately the inconvenience brought.
The interface circuit 1 is docked by USB interface, Lightning interfaces or Dock interfaces with mobile phone charging interface.
Docked between the interface circuit 1 and mobile phone charging interface by data wire, different length can be selected as needed
Data wire, mobile phone can be put on table or put when the laser is used pocket without by mobile phone for a long time take.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc. should be included in the utility model
Within the scope of protection.
Claims (7)
1. the low-power semiconductor laser that a kind of utilization mobile phone charging interface is powered and controlled, it is characterised in that：Including interface
Circuit, microcontroller, laser drive circuit, semiconductor laser diode, the first lens group；
The interface circuit is docked with mobile phone charging interface；
The interface circuit is sequentially connected the microcontroller, the laser drive circuit, the semiconductor laser diode；
The microcontroller be used for by the interface circuit receive mobile phone transmission come information or feed back to mobile phone, and root
Instructed accordingly according to the delivering received；
First lens group is placed in the semiconductor laser diode rear end, for being sent to the semiconductor laser diode
Laser carry out optical treatment.
2. the low-power semiconductor laser that utilization mobile phone charging interface according to claim 1 is powered and controlled, it is special
Levy and be：Also include current detection circuit；The current detection circuit is connected to the laser drive circuit and the semiconductor
Between laser diode, and it is connected with the microcontroller；The current detection circuit is used to detect the semiconductor laser two
Current detecting result is simultaneously fed back to the microcontroller by the driving current of pole pipe.
3. the low-power semiconductor laser that utilization mobile phone charging interface according to claim 2 is powered and controlled, it is special
Levy and be：Further the driving of semiconductor laser diode according to the current detecting output control is electric for the microcontroller
Flow in given threshold range.
4. the low-power semiconductor laser that utilization mobile phone charging interface according to claim 1 is powered and controlled, it is special
Levy and be：The interface circuit is wholely set with the microcontroller, and the microcontroller is directly docked with mobile phone charging interface.
5. the low-power semiconductor laser that utilization mobile phone charging interface according to claim 1 is powered and controlled, it is special
Levy and be：Also include the second lens group；Second lens group is placed in the output end of first lens group；Second lens
Group is demountable structure；For exporting light of different shapes.
6. the low-power semiconductor laser that utilization mobile phone charging interface according to claim 5 is powered and controlled, it is special
Levy and be：Second lens group is cylindrical mirror.
7. the low-power semiconductor laser that utilization mobile phone charging interface according to claim 1 is powered and controlled, it is special
Levy and be：Further comprise housing, the housing has resettlement section and host cavity；The resettlement section is used to house mobile phone, institute
Stating host cavity is used to house the interface circuit, the microcontroller, the laser drive circuit, the pole of the semiconductor laser two
Pipe and first lens group；The interface circuit is provided with the plug receptacle that cooperation is patched with mobile phone charging interface, described to connect
Socket extends out from the host cavity to the resettlement section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720170575.7U CN206524517U (en) | 2017-02-24 | 2017-02-24 | The low-power semiconductor laser powered and controlled using mobile phone charging interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720170575.7U CN206524517U (en) | 2017-02-24 | 2017-02-24 | The low-power semiconductor laser powered and controlled using mobile phone charging interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206524517U true CN206524517U (en) | 2017-09-26 |
Family
ID=59892134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720170575.7U Expired - Fee Related CN206524517U (en) | 2017-02-24 | 2017-02-24 | The low-power semiconductor laser powered and controlled using mobile phone charging interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206524517U (en) |
-
2017
- 2017-02-24 CN CN201720170575.7U patent/CN206524517U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 |