CN202109986U - Laser light spot power density measuring apparatus - Google Patents
Laser light spot power density measuring apparatus Download PDFInfo
- Publication number
- CN202109986U CN202109986U CN2011201032069U CN201120103206U CN202109986U CN 202109986 U CN202109986 U CN 202109986U CN 2011201032069 U CN2011201032069 U CN 2011201032069U CN 201120103206 U CN201120103206 U CN 201120103206U CN 202109986 U CN202109986 U CN 202109986U
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- module
- power density
- display terminal
- laser
- shell
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Abstract
The utility model relates to a laser light spot power density measuring apparatus, comprising a measuring probe and a display terminal, wherein a central control module equipped inside the display terminal is connected with a key model and a display module embedded on the outer wall of a display terminal housing. The laser light spot power density measuring apparatus is characterized in that the measuring probe comprises a housing, a base mounted at the bottom of the housing, a thermoelectric conversion module and a thermocouple module, wherein the thermoelectric conversion module and the thermocouple module are arranged inside the housing, the front end face of the housing is provided with a laser transmission hole, the position aligning to the laser transmission hole, inside the housing is provided with the thermocouple module, the output end of the thermocouple module is connected with the thermoelectric conversion module, and the output end of the thermoelectric conversion module is connected with the central control module of the display terminal. The laser light spot power density measuring apparatus is simple in structure and low in cost, can visually display the power density of the laser light spot through calculating by a single-chip microcomputer according to the voltage change of the thermocouple module, enables the whole process to automatically finish, is convenient in using and carrying, and has the advantages of being free of wavelength selection, having flat spectrum response curve, and being high in accuracy, thereby providing convenience for clinical application.
Description
Technical field
The utility model belongs to the laser equipment field, especially a kind of laser facula power density tester.
Background technology
Laser is a kind of light of CF, and it has been applied in every field widely, such as: military affairs, civil aviaton, science and medical treatment etc.In medical field; Laser therapy apparatus can use when patients ' recovery; Also can be used as operating equipment and use, these laser therapy apparatus all relate to the problem of Laser Measurement power in use, and the normal at present power meter that uses is the power that is used for the output of Laser Measurement device; Just need the measurement result of power meter be calculated inconvenience very for medical application than the power density measurement of the laser facula of paying close attention to.
The utility model content
The purpose of the utility model is to overcome the deficiency of prior art, provides a kind of simple in structure, with low cost and measure laser facula power density tester accurate, easy to use.
The technical scheme that the utility model is taked is:
A kind of laser facula power density tester; Comprise measuring sonde and display terminal; The central control module of being adorned in the display terminal connects key-press module and the display module that is inlaid in display terminal housing outer wall; It is characterized in that: said measuring sonde comprises shell, is installed in the base of outer casing bottom, in the enclosure thermo-electric conversion module and thermopair module are installed, and makes a laser-transmitting hole at the shell front end face, in the shell of contraposition the thermopair module is installed mutually with this laser-transmitting hole; The output terminal of this thermopair module connects thermo-electric conversion module, and the output terminal of thermo-electric conversion module connects the central control module of display terminal.
And; Be connected through a sliding sleeve between said shell and the base, this sliding sleeve comprises upper slide bar and outer tube, and the upper end of upper slide bar is packed in the shell bottom surface; The lower end of upper slide bar is sleeved on the upper end of outer tube and fixes through clamping screw, and the lower end of outer tube is installed in base upper surface.
And; Said thermo-electric conversion module comprises chopper-zero-stabilized amplification module, 50Hz trap module, low-pass filtering module and A/D modular converter; One end of chopper-zero-stabilized amplification module connects the thermopair module; The other end of chopper-zero-stabilized amplification module passes through 50Hz trap module is connected the A/D modular converter with low-pass filtering module a end, and the other end of A/D modular converter connects central control module.
And, be connected through the DB9 data line between said A/D modular converter and the central control module.
And the rear end of said shell is equipped with radiating fin.
The advantage and the good effect of the utility model are:
The utility model is simple in structure, with low cost, according to the change in voltage of thermopair, calculates through single-chip microcomputer; Power density with laser facula shows intuitively; Whole process is accomplished automatically, and is easy to use, is easy to carry; And it has the advantage that no wavelength is selected, spectral response curve is smooth and accuracy is high, for clinical use has brought facility.
Description of drawings
Fig. 1 is the front view of the utility model;
Fig. 2 is the electric furnace block scheme of the utility model.
Embodiment
Below in conjunction with embodiment, the utility model is further specified, following embodiment is illustrative, is not determinate, can not limit the protection domain of the utility model with following embodiment.
A kind of laser facula power density tester; Shown in Fig. 1～2; Comprise measuring sonde and display terminal 12; The central control module of being adorned in the display terminal connects the key-press module 14 and display module 13 that is inlaid in display terminal housing outer wall; The innovation of the utility model is: measuring sonde comprises shell 4, is installed in the base 10 of outer casing bottom, in the enclosure thermo-electric conversion module 5 and thermopair module 3 are installed, and makes a laser-transmitting hole 2 at shell front end face 1, in the shell of contraposition the thermopair module is installed mutually with this laser-transmitting hole; The output terminal of this thermopair module connects thermo-electric conversion module, and the output terminal of thermo-electric conversion module connects the central control module of display terminal.
In the present embodiment; Be connected through a sliding sleeve between shell and the base; This sliding sleeve comprises upper slide bar 6 and outer tube 9; The upper end of upper slide bar is packed in the shell bottom surface, and the lower end of upper slide bar is sleeved on the upper end of outer tube and fixes through clamping screw 7, and the lower end of outer tube is installed in base upper surface.Operating personnel can adjust upper slide bar and outer tube so that made laser-transmitting hole alignment light source on the shell is very convenient.
Thermo-electric conversion module is as shown in Figure 2; Comprise chopper-zero-stabilized amplification module, 50Hz trap module, low-pass filtering module and A/D modular converter; One end of chopper-zero-stabilized amplification module connects the thermopair module; The other end of chopper-zero-stabilized amplification module passes through 50Hz trap module is connected the A/D modular converter with low-pass filtering module a end, and the other end of A/D modular converter connects central control module.Be connected through DB9 data line 11 between A/D modular converter and the central control module.
Because the thermopair module produces a lot of heats in the operating room, gathering undoubtedly of heat impacts measurement result, so radiating fin 8 is installed to increase whole cooling surface area in the rear end of shell, guarantees the in proper working order of each parts.
The course of work of the utility model is:
Measuring sonde is mainly realized the reception and the processing effect of signal; Laser arrives the thermopair module through the laser-transmitting hole on the shell, is realized that by the thermopair module pyroelectricity of laser signal is changed, and changes it into electric signal; Be sent to the chopper-zero-stabilized amplification module through signal wire; Carry out preliminary signal denoising, signal obtains ideal signal after 50Hz trap module and low-pass filtering module processing then, and is converted into digital signal by the A/D modular converter.Shell has not only played and has supported the effect of a module, and can also effectively shield extraneous noise jamming, has also realized good heat sinking function simultaneously.Display terminal comprises: the central control module that is made up of the AVR single-chip microcomputer, the display module that is made up of LCD, built-in power module and Keysheet module; Display terminal has been realized the further processing of signal and the demonstration of power density; Also comprise control function simultaneously, the AVR single-chip microcomputer receives the signal by the transmission of DB9 data line, after it is further handled; Be presented on the LCD screen, it has played whole control (switch, zeroing etc.) simultaneously.
The utility model is simple in structure, with low cost, according to the change in voltage of thermopair, calculates through single-chip microcomputer; Power density with laser facula shows intuitively; Whole process is accomplished automatically, and is easy to use, is easy to carry; And it has the advantage that no wavelength is selected, spectral response curve is smooth and accuracy is high, for clinical use has brought facility.
Claims (5)
1. laser facula power density tester; Comprise measuring sonde and display terminal; The central control module of being adorned in the display terminal connects key-press module and the display module that is inlaid in display terminal housing outer wall; It is characterized in that: said measuring sonde comprises shell, is installed in the base of outer casing bottom, in the enclosure thermo-electric conversion module and thermopair module are installed, and makes a laser-transmitting hole at the shell front end face, in the shell of contraposition the thermopair module is installed mutually with this laser-transmitting hole; The output terminal of this thermopair module connects thermo-electric conversion module, and the output terminal of thermo-electric conversion module connects the central control module of display terminal.
2. laser facula power density tester according to claim 1; It is characterized in that: be connected through a sliding sleeve between said shell and the base; This sliding sleeve comprises upper slide bar and outer tube; The upper end of upper slide bar is packed in the shell bottom surface, and the lower end of upper slide bar is sleeved on the upper end of outer tube and fixes through clamping screw, and the lower end of outer tube is installed in base upper surface.
3. laser facula power density tester according to claim 1; It is characterized in that: said thermo-electric conversion module comprises chopper-zero-stabilized amplification module, 50Hz trap module, low-pass filtering module and A/D modular converter; One end of chopper-zero-stabilized amplification module connects the thermopair module; The other end of chopper-zero-stabilized amplification module passes through 50Hz trap module is connected the A/D modular converter with low-pass filtering module a end, and the other end of A/D modular converter connects central control module.
4. laser facula power density tester according to claim 3 is characterized in that: be connected through the DB9 data line between said A/D modular converter and the central control module.
5. laser facula power density tester according to claim 1, it is characterized in that: the rear end of said shell is equipped with radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201032069U CN202109986U (en) | 2011-04-11 | 2011-04-11 | Laser light spot power density measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201032069U CN202109986U (en) | 2011-04-11 | 2011-04-11 | Laser light spot power density measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202109986U true CN202109986U (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201032069U Expired - Fee Related CN202109986U (en) | 2011-04-11 | 2011-04-11 | Laser light spot power density measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202109986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243099A (en) * | 2011-04-11 | 2011-11-16 | 天津滨海华医光电技术有限公司 | Laser spot power density testing device |
| CN107647913A (en) * | 2017-10-31 | 2018-02-02 | 重庆京渝激光技术有限公司 | The laser cure apparatus of display screen convenient for cleaning |
-
2011
- 2011-04-11 CN CN2011201032069U patent/CN202109986U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243099A (en) * | 2011-04-11 | 2011-11-16 | 天津滨海华医光电技术有限公司 | Laser spot power density testing device |
| CN107647913A (en) * | 2017-10-31 | 2018-02-02 | 重庆京渝激光技术有限公司 | The laser cure apparatus of display screen convenient for cleaning |
| CN107647913B (en) * | 2017-10-31 | 2023-12-08 | 重庆京渝激光技术有限公司 | Laser therapeutic machine convenient for cleaning display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Laser light spot power density measuring apparatus Effective date of registration: 20130628 Granted publication date: 20120111 Pledgee: Bank of Tianjin Limited by Share Ltd small business financial services center Pledgor: Tianjin Qimei science and Technology Development Co Ltd|Tianjin Binhai Huayi Photoelectric Technology Co., Ltd. Registration number: 2013990000417 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140221 Granted publication date: 20120111 Pledgee: Bank of Tianjin Limited by Share Ltd small business financial services center Pledgor: Tianjin Qimei science and Technology Development Co Ltd|Tianjin Binhai Huayi Photoelectric Technology Co., Ltd. Registration number: 2013990000417 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20120111 Termination date: 20170411 |