CN209614572U - A kind of laser power monitoring device - Google Patents
A kind of laser power monitoring device Download PDFInfo
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- CN209614572U CN209614572U CN201920255714.5U CN201920255714U CN209614572U CN 209614572 U CN209614572 U CN 209614572U CN 201920255714 U CN201920255714 U CN 201920255714U CN 209614572 U CN209614572 U CN 209614572U
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- eyeglass
- laser power
- monitoring device
- power monitoring
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Abstract
The utility model relates to field of laser processing, and in particular to a kind of laser power monitoring device.The laser power monitoring device includes microscope base, for reflecting most of laser and the first eyeglass for fraction laser light and the sensor module for detecting laser power；First eyeglass is mounted on microscope base；The microscope base is connect with sensor module.By penetrating laser on the first eyeglass in microscope base, most laser enters sensor module by the first lens reflecting after the first eyeglass of fraction laser light, sensor module receives laser and simultaneously detected.When laser welding, power is changed, and not when processing in required power bracket, then can determine whether that the workpiece is unqualified.Just the underproof workpiece in part is screened in welding sequence in this way, realizes using the stability of light power come control workpiece quality, and then reduce the time-consuming of subsequent quality inspection process, improves work efficiency and reduce cost of labor.
Description
Technical field
The utility model relates to field of laser processing, and in particular to a kind of laser power monitoring device.
Background technique
Laser welding processing is becoming increasingly popular, and the field being related to is stepping up.Using the workpiece of laser welding
Processing capacity increases thus, and the inspected number of workpiece also increases with it, this certainly will be by the increasing in the reduction and cost that bring operating efficiency
Add.
Welding quality directly affects the quality of workpiece.Directly by control welding, can preliminary control workpiece production
Quality.And the stability of laser power, be determine welding quality an important factor for one of.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, it is real-time provide a kind of energy
Monitor the laser power monitoring device of light power stability.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of laser power monitoring device is provided,
Including microscope base, the first eyeglass and sensor module for detecting laser power；First eyeglass is mounted on microscope base；Institute
Microscope base is stated to connect with sensor module；Laser head emits laser to the first eyeglass, fraction of laser light conduct after the first lens reflecting
Machining beams, another part are incident to sensor module through the first eyeglass, detect laser power by sensor module.
The still more preferably scheme of the utility model is: the angle between first eyeglass and the laser of incidence is
45°。
The still more preferably scheme of the utility model is: the sensor module includes shell, focusing block and use
The sensor of laser after collectiong focusing；The focusing block and sensor are arranged on shell.
The still more preferably scheme of the utility model is: the focusing block includes focusing lens, spacer ring and pressing ring；Institute
It states and offers mounting groove on shell；The focusing lens are arranged in mounting groove；The spacer ring is arranged above focusing lens；Institute
It states pressing ring to be threadedly coupled with mounting groove, and presses spacer ring.
The still more preferably scheme of the utility model is: the sensor module further includes aperture；The aperture
Diaphragm is arranged on shell and between focusing block and sensor.
The still more preferably scheme of the utility model is: the sensor module further includes the data being arranged on shell
Output interface；The data output interface and sensor are electrically connected.
The still more preferably scheme of the utility model is: the laser power monitoring device further includes collimation head；It is described
It collimates head to be arranged on microscope base, and coaxially connected with sensor module.
The still more preferably scheme of the utility model is: the laser power monitoring device further includes attachment base, is used for
The second eyeglass and visual component of reflective visual light；The attachment base is connect with collimation head and microscope base respectively；Second mirror
Piece is arranged in attachment base；The visual component is arranged on attachment base, and is located at the side of the second eyeglass.
The still more preferably scheme of the utility model is: the visual component includes adapter frame, camera lens and camera；It is described
Adapter frame is installed in rotation on attachment base；One end of the camera lens connects adapter frame, and the other end connects camera.
The still more preferably scheme of the utility model is: the laser power monitoring device further includes galvanometer head and flat field
Camera lens；The galvanometer head is mounted on attachment base；The field flattening lens and galvanometer head are coaxially connected.
The beneficial effects of the utility model are, most to swash by penetrating laser on the first eyeglass in microscope base
Light enters sensor module by the first lens reflecting after the first eyeglass of fraction laser light, sensor module receives laser simultaneously
It is detected.When laser welding, power is changed, and not can determine whether the work then when processing in required power bracket
Part is unqualified.Just the underproof workpiece in part is screened in welding sequence in this way, realizes and utilizes the steady of light power
It is qualitative come control workpiece quality, and then reduce the time-consuming of subsequent quality inspection process, improve work efficiency and reduce cost of labor.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the schematic perspective view of the laser power monitoring device of the utility model embodiment；
Fig. 2 is the light path schematic diagram of the laser power monitoring device of the utility model embodiment；
Fig. 3 is the cross-sectional view of the sensor module of the utility model embodiment；
Fig. 4 is the floor map after the laser power monitoring device removal visual component of Fig. 1；
Fig. 5 is the floor map after the laser power monitoring device removal attachment base of Fig. 4；
Fig. 6 is the schematic perspective view of the visual component of the utility model embodiment.
Specific embodiment
Now in conjunction with attached drawing, elaborate to the preferred embodiment of the utility model.
As shown in Figure 1 and Figure 2, the laser power monitoring device of the present embodiment include including microscope base 11, the first eyeglass 12 and
For detecting the sensor module 2 of laser power.First eyeglass 12 is mounted on microscope base 11, microscope base 11 and sensor module 2
Connection.Laser head (not shown) emits on the 10 to the first eyeglass of laser 12, and fraction of laser light is used as after the reflection of the first eyeglass 12 to be added
Work light beam, another part are incident to sensor module 2 through the first eyeglass 12, detect laser power by sensor module 2.Pass through
Laser 10 is penetrated on the first eyeglass 12 in microscope base, most laser is reflected by the first eyeglass 12, fraction laser light
Enter sensor module 2 after first eyeglass 12, sensor module 2 receives laser and detected.When laser welding, power is sent out
Variation is given birth to, and not when processing in required power bracket, then can determine whether that the workpiece (not shown) is unqualified.It is welding in this way
Just the underproof workpiece in part is screened when connecing process, is realized using the stability of light power come control workpiece quality,
And then the time-consuming of subsequent quality inspection process is reduced, improve work efficiency and reduce cost of labor.
In the present embodiment, the angle between the first eyeglass 12 and incident laser is 45 °, can reflect 99.5% laser
And through 0.5% laser.In actual use, the angle of the first eyeglass 12, type can change according to production requirement.
As shown in figure 3, sensor module 2 includes shell 21 and the focusing block, the aperture that are arranged on shell 21
26, for the sensor 22 of the laser after collectiong focusing, data output interface 27 and electric source line interface 28.Specifically, focus portion
Part includes focusing lens 23, spacer ring 24 and pressing ring 25.The top (diagram direction) of above-mentioned shell 21 offers mounting groove.Focus lamp
The bottom of mounting groove is arranged in piece 23；Spacer ring 24 is arranged above focusing lens 23；Pressing ring 25 is threadedly coupled with mounting groove, and is driven
Spacer ring 24 is set to press focusing lens 23.Similarly, focusing block also can be only with focusing lens, by dispensing mode by focusing lens
23 are fixed in mounting groove.The aperture 26 be arranged on shell 21 and be located at focusing lens 23 and sensor 22 it
Between.The data output interface 27 and electric source line interface 28 are electrically connected with sensor 22.
As shown in figure 4, the laser power monitoring device further includes collimation head 31.The collimation head 31 passes through clamp assemblies
32 are arranged above microscope base 11, and coaxial with focusing lens 23.
Fig. 5 is referred to together, and laser power monitoring device further includes attachment base 41, the second eyeglass 42 for reflective visual light
And visual component.The clamp assemblies 32 are mounted on the upper surface of attachment base 41；The right side (diagram direction) of attachment base 41
It is connect with microscope base 11.Second eyeglass 42 is arranged in attachment base 41；Visual component is mounted on attachment base 41, and is located at the second mirror
The side of piece 42.
As shown in fig. 6, above-mentioned visual component includes adapter frame 43, camera lens 44 and camera 45.Above-mentioned attachment base 41 corresponding the
A through-hole 46 (Fig. 4) is offered at the position of two eyeglasses 42.The adapter frame 43 can 360 ° be rotationally vertically mounted on attachment base
On 41, and it is located at through-hole 46 and is connected to.One end of camera lens 44 connects adapter frame 43, and the other end connects camera 45.
With continued reference to Fig. 4, laser power monitoring device further includes galvanometer head 51 and field flattening lens 52.The galvanometer head 51 is logical
Galvanometer mounting plate 53 is crossed to be mounted on attachment base 41；Field flattening lens 52 and galvanometer head 51 are coaxially connected, and are located at galvanometer head 51
Lower section.
The working principle of this laser power monitoring device are as follows:
The laser 10 that collimated head 31 is sent is penetrated after clamp assemblies 32 on the first eyeglass 12.Then, big portion
The laser I divided is reflexed on the second eyeglass 42 by the first eyeglass 12, galvanometer head 51 is entered after passing through the second eyeglass 42, through flat field
Camera lens 52 carries out laser work after focusing on workpiece.And the visible light (not shown) of laser II is reflected by the second eyeglass 42, it can
Depending on light by sequentially being captured after adapter frame 43 and camera lens 44 by camera 45 after through-hole 46, bat is monitored to weld job
It takes the photograph.
Further, after the laser II of fraction passes through the first eyeglass 12, it is focused the focusing of eyeglass 23, then passes through aperture
Diaphragm 26 enters sensor 22, is acquired by sensor 22.Sensor 22 converts thereof into voltage signal output after receiving laser II
To the end PC (not shown), the acquisition software at the end PC starts to read the data, and is showed in the form of curve graph (not shown).
For example, the laser power of certain welding process requirement is 70W, but power is changed in the welding process, is become from 70W
69W or 68W, even 61W.It can be identified using the laser power monitoring device of the utility model.In conjunction with curve graph,
Each performance number can be read, more intuitively to manage welding quality in real time.
It should be understood that above embodiments are only to illustrate the technical solution of the utility model, it is rather than its limitations, right
For those skilled in the art, it can modify to technical solution illustrated in the above embodiments, or to part of skill
Art feature is equivalently replaced；And all such modifications and replacement, it all should belong to the protection of the appended claims for the utility model
Range.
Claims (10)
1. a kind of laser power monitoring device, it is characterised in that: sharp including microscope base (11), the first eyeglass (12) and for detecting
The sensor module (2) of optical power；First eyeglass (12) is mounted on microscope base (11)；The microscope base (11) and sensor group
Part (2) connection；Laser head emits laser to the first eyeglass (12), and fraction of laser light is after the first eyeglass (12) are reflected as processing light
Beam, another part are incident to sensor module (2) through the first eyeglass (12), detect laser power by sensor module (2).
2. laser power monitoring device according to claim 1, it is characterised in that: first eyeglass (12) and incidence
Angle between laser is 45 °.
3. laser power monitoring device according to claim 1, it is characterised in that: the sensor module (2) includes shell
Body (21), focusing block and the sensor (22) for the laser after collectiong focusing；The focusing block and sensor (22)
It is arranged on shell (21).
4. laser power monitoring device according to claim 3, it is characterised in that: the focusing block includes focusing lens
(23), spacer ring (24) and pressing ring (25)；Mounting groove is offered on the shell (21)；Focusing lens (23) setting is being installed
In slot；Spacer ring (24) setting is above focusing lens (23)；The pressing ring (25) is threadedly coupled with mounting groove, and press every
It encloses (24).
5. laser power monitoring device according to claim 3, it is characterised in that: the sensor module (2) further includes
Aperture (26)；The aperture (26) is arranged on shell (21) and between focusing block and sensor (22).
6. laser power monitoring device according to claim 3, it is characterised in that: the sensor module (2) further includes
The data output interface (27) being arranged on shell (21)；The data output interface (27) and sensor (22) are electrically connected.
7. according to the described in any item laser power monitoring devices of claim 3 to 6, it is characterised in that: the laser power prison
Control device further includes collimation head (31)；The collimation head (31) is arranged on microscope base (11), and coaxially connected with focusing block.
8. laser power monitoring device according to claim 7, it is characterised in that: the laser power monitoring device also wraps
Include attachment base (41), the second eyeglass (42) and visual component for reflective visual light；The attachment base (41) respectively with standard
Straight peen (31) and microscope base (11) connection；Second eyeglass (42) setting is in attachment base (41)；The visual component setting exists
On attachment base (41), and it is located at the side of the second eyeglass (42).
9. laser power monitoring device according to claim 8, it is characterised in that: the visual component includes adapter frame
(43), camera lens (44) and camera (45)；The adapter frame (43) is installed in rotation on attachment base (41)；The camera lens (44)
One end connect adapter frame (43), the other end connect camera (45).
10. laser power monitoring device according to claim 9, it is characterised in that: the laser power monitoring device is also
Including galvanometer head (51) and field flattening lens (52)；The galvanometer head (51) is mounted on attachment base (41)；The field flattening lens
(52) coaxially connected with galvanometer head (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255714.5U CN209614572U (en) | 2019-02-28 | 2019-02-28 | A kind of laser power monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255714.5U CN209614572U (en) | 2019-02-28 | 2019-02-28 | A kind of laser power monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN209614572U true CN209614572U (en) | 2019-11-12 |
Family
ID=68455279
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920255714.5U Active CN209614572U (en) | 2019-02-28 | 2019-02-28 | A kind of laser power monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091040A (en) * | 2022-07-08 | 2022-09-23 | 广东国玉科技有限公司 | Laser welding head, laser welding system and laser welding method |
| WO2024001909A1 (en) * | 2022-07-01 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | Laser power measurement system, welding system, and testing method for laser-welded workpiece |
-
2019
- 2019-02-28 CN CN201920255714.5U patent/CN209614572U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001909A1 (en) * | 2022-07-01 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | Laser power measurement system, welding system, and testing method for laser-welded workpiece |
| CN115091040A (en) * | 2022-07-08 | 2022-09-23 | 广东国玉科技有限公司 | Laser welding head, laser welding system and laser welding method |
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