CN215813324U - Cooling and protection device based on CMOS laser displacement sensor - Google Patents
Cooling and protection device based on CMOS laser displacement sensor Download PDFInfo
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- CN215813324U CN215813324U CN202121965379.1U CN202121965379U CN215813324U CN 215813324 U CN215813324 U CN 215813324U CN 202121965379 U CN202121965379 U CN 202121965379U CN 215813324 U CN215813324 U CN 215813324U
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Abstract
The utility model discloses a cooling and protecting device based on a CMOS laser displacement sensor, which belongs to the technical field of material increase manufacturing. When the external environment temperature obviously exceeds the temperature tolerance of the CMOS laser displacement sensor, the periphery of the sensor can be always maintained in an acceptable temperature range through the cooling mechanism, and under the working condition of dust, the dust cover is opened when the laser displacement sensor needs to work and is closed when the laser displacement sensor does not need to work, so that the dust is prevented from polluting the lens of the laser to the maximum extent.
Description
Technical Field
The utility model relates to the technical field of additive manufacturing, in particular to a cooling and protecting device based on a CMOS laser displacement sensor.
Background
The CMOS laser displacement sensor is a sensor for measuring the displacement of a target object based on the triangulation principle by adopting a CMOS sensor; in the laser additive manufacturing process, different movement working conditions of acceleration, uniform speed and deceleration exist in the cladding laser; the height of the deposition layer is deviated from the ideal height; the difference of the heat dissipation conditions of the edge and the central area is caused by heat accumulation and temperature gradient, so that the surface appearance of the part is deviated from a theoretical digital model; if not measured and corrected in time, the deviations may gradually accumulate and the final part is scrapped; in order to realize closed-loop control in the additive manufacturing process, the CMOS laser displacement sensor is introduced to realize timely measurement of parts; in the additive manufacturing process, the environment around a deposition layer is relatively severe, and high-temperature and high-dust working conditions exist, and because the upper limit of the working temperature of a common CMOS laser displacement sensor is about 50 ℃, when the temperature of the working environment exceeds the upper limit, the measuring precision and the service life of the laser displacement sensor are affected, even the laser displacement sensor is directly burnt; and if the lens of the laser is easily stained under the high dust working condition after being exposed for a long time, the measuring effect is also influenced.
Aiming at the defects of the prior art, the utility model aims to provide a device which can simultaneously play a role in protecting a CMOS laser displacement sensor under the working conditions of high temperature and dust, so that the periphery of the sensor is always maintained in an acceptable temperature range when the external environment temperature obviously exceeds the tolerance temperature of the CMOS laser displacement sensor; and under the dust operating mode, the shield need the during operation to open need not the during operation shield and close, prevents dust pollution laser instrument's camera lens to the at utmost.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The present invention is directed to a cooling and protection device based on a CMOS laser displacement sensor, so as to solve the problems mentioned in the background art.
2. Technical scheme
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a cooling and protector based on CMOS laser displacement sensor, includes CMOS laser displacement sensor and protection casing, the inside of protection casing is equipped with the CMOS laser displacement sensor who in time measures the spare part, the protection casing is made by insulation material, the inside and outside both sides of protection casing are equipped with temperature sensor respectively, and the inside of protection casing is equipped with the cooling body who carries out the cooling to CMOS laser displacement sensor to two temperature sensor all with the circuit connection of cooling body, the bottom of protection casing set up with the vertical detection window that aligns of last camera lens of CMOS laser displacement sensor, and be equipped with in the protection casing and can close the automatic protection mechanism who prevents dust to the camera lens of last camera lens of CMOS laser displacement sensor of detecting the window.
Furthermore, the cooling mechanism comprises a cooling pipeline wound on the peripheral bearing of the CMOS laser displacement sensor in a thread structure, and two ends of the cooling pipeline are connected with a water cooling device.
Furthermore, a metal shell which is positioned outside the cooling pipeline and can dissipate heat of the CMOS laser displacement sensor is arranged inside the protective cover.
Further, protection machanism includes that locate the interior bottom of protection casing and can carry out the slide that shelters from to the detection window through slide mechanism, set up on the slide and can with the perforation of detection window vertical alignment and intercommunication through actuating mechanism.
Furthermore, the driving mechanism comprises a permanent magnetic plate which is fixedly and vertically arranged at the left end of the sliding plate, and an electrifying magnetic block which is arranged at the left side of the bottom end of the protective cover and has opposite magnetism to the permanent magnetic plate when being electrified, and an elastic mechanism for resetting the permanent magnetic plate is arranged at the right side of the bottom end of the protective cover.
Furthermore, the elastic mechanism comprises a first vertical plate which is vertically and fixedly arranged at the top end of the sliding plate, a second vertical plate which is fixedly arranged at the inner bottom of the protective cover and is parallel to the first vertical plate, and a return spring which is arranged between the second vertical plate and the first vertical plate at equal intervals, wherein when the magnetism of the electrified magnetic block disappears, the permanent magnetic plate resets under the action of the return spring.
Furthermore, slide mechanism including the slip locate the slide bottom and with the protection casing in bottom sliding connection's T type slider, set up in the protection casing in the bottom and supply T type slider horizontal slip's T type spout.
Further, the protection casing includes two butt joints and can dismantle last casing, the lower casing of connection through the bolt, go up the casing and be equipped with seal ring on the casing butt joint terminal surface down, protection machanism, detection window are located down on the casing, temperature sensor, cooling mechanism locate down on the casing.
3. Advantageous effects
1. The utility model can separate the heat in the working environment from the components inside the protective cover through the protective cover so as to protect the components arranged on the inner side of the protective cover, and meanwhile, the CMOS laser displacement sensor under high-temperature work can be timely radiated through the mutual matching of the temperature sensor and the cooling mechanism.
2. According to the utility model, the metal shell can conduct heat conduction and transfer high heat around the CMOS laser displacement sensor, and can conduct wire transfer on low-temperature heat on the cooling pipeline, so that the cooling pipeline can conduct heat dissipation on the CMOS laser displacement sensor, and can conduct heat dissipation protection on other components outside the metal shell and arranged on the inner side of the protective cover.
3. When the CMOS laser displacement sensor needs to work, the through hole in the sliding plate can be adjusted to the position vertically aligned with the detection window through the driving mechanism, so that a lens on the CMOS laser displacement sensor can smoothly detect a processed part, when the CMOS laser displacement sensor is idle, the sliding plate can shield the detection window through the driving mechanism, namely, parts installed in the protective cover can be sealed through the mutual matching of the movable sliding plate and the protective cover, so that dust in the working environment of the CMOS laser displacement sensor is prevented from entering the protective cover when the CMOS laser displacement sensor is idle, and in sum, the arrangement of the sliding type through hole can ensure the sealing performance of the protective device and cannot influence the work of the CMOS laser displacement sensor.
4. According to the utility model, because the laser displacement sensor cooling protection system is provided with the temperature sensor, the temperature information in the working environment of the laser displacement sensor can be monitored in real time through the temperature sensor, when the temperature in the working environment of the laser displacement sensor is higher, the inner side of the protection device can be subjected to pre-cooling treatment through the opening of the cooling mechanism, so that the laser displacement sensor can be always in the temperature range borne by the laser displacement sensor to ensure the normal work of the laser displacement sensor, and in the initial working stage, because the temperature in the working environment of the laser displacement sensor is lower, the temperature sensor can control the cooling liquid pump connected with the cooling mechanism to reduce the flow; and after working for a period of time, along with the temperature rise in the working environment where the laser displacement sensor is located, the flow of the cooling liquid can be increased, so that the periphery of the laser displacement sensor can be in a relatively constant temperature state, and the laser displacement sensor can be normally used.
5. When the electrified magnetic block is electrified, the permanent magnetic plate is attracted by the electrified magnetic block, and the sliding plate can slide at the inner bottom of the protective cover, so that power is provided for whether the through hole on the sliding plate is aligned and communicated with the detection window; in addition, when the sliding plate moves leftwards under the magnetic attraction of the energized magnetic block and the permanent magnetic plate, the return spring is stretched, and when the energized magnetic block is powered off, the sliding plate can automatically return under the elastic action of the return spring.
Drawings
FIG. 1 is a schematic front view of the internal structure of the present invention;
FIG. 2 is a schematic top view of the internal structure of the present invention;
fig. 3 is a schematic structural view of the connection between the slide plate and the protective cover.
Reference numerals: 1. an upper housing; 2. a lower housing; 3. a CMOS laser displacement sensor; 4. a lens; 5. a temperature sensor; 6. a notch; 7. a heat-preserving cover; 8. a cooling duct; 9. detecting a window; 10. a slide plate; 11. perforating; 12. a first vertical plate; 13. a second longitudinal plate; 14. a T-shaped slider; 15. a return spring; 16. a permanent magnetic plate; 17. an energizing magnetic block; 18. a T-shaped chute; 19. a shield.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1, a cooling and protecting device based on a CMOS laser displacement sensor includes a CMOS laser displacement sensor 3 and a protective cover 19, the CMOS laser displacement sensor 3 for measuring parts in time is disposed inside the protective cover 19, the protective cover 19 is made of a heat insulating material, temperature sensors 5 are disposed on inner and outer sides of the protective cover 19, a cooling mechanism for cooling the CMOS laser displacement sensor 3 is disposed inside the protective cover 19, the two temperature sensors 5 are both connected to a circuit of the cooling mechanism, a detection window 9 vertically aligned with a lens 4 on the CMOS laser displacement sensor 3 is disposed at a bottom end of the protective cover 19, and a protecting mechanism capable of automatically closing the detection window 9 and preventing dust of the lens 4 on the CMOS laser displacement sensor 3 is disposed inside the protective cover 19;
as shown in fig. 1, the cooling mechanism includes a cooling pipe 8 wound on the peripheral bearing of the CMOS laser displacement sensor 3 in a spiral structure, two ends of the cooling pipe 8 are connected to water cooling devices, the cooling pipe 8 is disposed outside the CMOS laser displacement sensor 3 in a spiral structure so as to dissipate heat from the CMOS laser displacement sensor 3 in multiple directions, thereby improving the heat dissipation effect of the cooling pipe 8 on the CMOS laser displacement sensor 3, a metal casing 7 is disposed inside the protective cover 19 and is disposed outside the cooling pipe 8 and can dissipate heat from the CMOS laser displacement sensor 3, the metal casing 7 can not only conduct heat around the CMOS laser displacement sensor 3, but also conduct wire transfer to low temperature heat on the cooling pipe 8, so that the cooling pipe 8 can not only dissipate heat from the CMOS laser displacement sensor 3, but also can dissipate heat from other components outside the metal casing 7 and mounted inside the protective cover 19, in addition, a water cooling device connected with the cooling pipeline 8 can be arranged on the inner side of the protective cover 19, so that the device can carry out temperature reduction treatment on the CMOS laser displacement sensor 3;
as shown in fig. 1 and 3, the protection mechanism includes a sliding plate 10 disposed at the bottom of the protective cover 19 through a sliding mechanism and capable of shielding the detection window 9, and a through hole 11 disposed on the sliding plate 10 and capable of being vertically aligned and communicated with the detection window 9 through a driving mechanism, when the CMOS laser displacement sensor 3 needs to operate, the through hole 11 on the sliding plate 10 can be adjusted to a position vertically aligned with the detection window 9 through the driving mechanism, so that the lens 4 on the CMOS laser displacement sensor 3 can smoothly detect a processed part, when the CMOS laser displacement sensor 3 is idle, the sliding plate 10 can shield the detection window 9 through the driving mechanism, that is, by moving the sliding plate 10 and the protective cover 19 to cooperate with each other, a part installed inside the protective cover 19 can be sealed, so as to prevent dust in a working environment where the CMOS laser displacement sensor 3 is located from entering the protective cover 19 when the CMOS laser displacement sensor is idle, in conclusion, the arrangement of the sliding type through hole 11 not only ensures the sealing performance of the protection device, but also does not influence the work of the CMOS laser displacement sensor 3;
as shown in fig. 2 and 3, the driving mechanism includes a permanent magnetic plate 16 fixed and vertically arranged on the left end of the sliding plate 10, an energizing magnetic block 17 installed on the left side of the bottom end of the protective cover 19 and having a magnetic polarity opposite to that of the permanent magnetic plate 16 when energized, and an elastic mechanism for resetting the permanent magnetic plate 16 is arranged on the right side of the bottom end of the protective cover 19, when the energizing magnetic block 17 is energized, the permanent magnetic plate 16 is attracted by the energizing magnetic block 17, and the sliding plate 10 can slide on the inner bottom of the protective cover 19, so as to provide power for the sliding plate 10 to determine whether the through hole 11 is aligned and communicated with the detection window 9;
as shown in fig. 2 and 3, the elastic mechanism includes a first vertical plate 12 vertically and fixedly disposed at the top end of the sliding plate 10, a second vertical plate 13 fixedly disposed at the bottom in the protective cover 19 and parallel to the first vertical plate 12, and a return spring 15 disposed between the second vertical plate 13 and the first vertical plate 12 at equal intervals, when the magnetism of the energized magnetic block 17 disappears, the permanent magnetic plate 16 returns under the action of the return spring 15, when the sliding plate 10 moves leftwards under the magnetic attraction of the energized magnetic block 17 and the permanent magnetic plate 16, the return spring 15 is stretched, when the energized magnetic block 17 is de-energized, the sliding plate 10 automatically returns under the elastic action of the return spring 15, the sliding mechanism includes a T-shaped slider 14 slidably disposed at the bottom end of the sliding plate 10 and slidably connected with the bottom in the protective cover 19, a T-shaped chute 18 opened at the bottom in the protective cover 19 and allowing the T-shaped slider 14 to horizontally slide, and by the cooperation of the T-shaped slider 14 and the T-shaped chute 18, the sliding plate 10 can not only horizontally slide on the inner bottom of the protective cover 19, but also limit the sliding plate 10 during sliding;
as shown in fig. 1, the protective cover 19 includes two upper and lower casings 1, 2 which are butt-jointed and detachably connected by bolts, a sealing gasket is arranged on the butt-joint end surface of the upper casing 1 and the lower casing 2, the protective mechanism and the detection window 9 are arranged on the lower casing 2, the temperature sensor 5 and the cooling mechanism are arranged on the lower casing 2, and the upper casing 1 and the lower casing 2 are detachably connected, so that a powerful condition is provided for the maintenance and replacement of the internal parts thereof.
The specific application process of the cooling and protecting device based on the CMOS laser displacement sensor comprises the following steps: when the temperature sensor is used, the temperature sensor 5 arranged on the inner side of the protective cover 19 can detect the temperature on the inner side of the protective cover 19 in real time, when the temperature detected in the temperature sensor is higher than the temperature born by the CMOS laser displacement sensor 3, the temperature can be cooled through the cooling pipeline 8 which is in a spiral structure and is positioned on the outer side of the CMOS laser displacement sensor 3, so that the CMOS laser displacement sensor 3 in a high-temperature environment can be cooled and protected in time, the normal use of the CMOS laser displacement sensor 3 is ensured, the metal shell 7 can conduct heat conduction and transmission to high heat around the CMOS laser displacement sensor 3 and conduct wire transmission to low-temperature heat on the cooling pipeline 8, so that the cooling pipeline 8 can not only conduct heat dissipation to the CMOS laser displacement sensor 3, but also conduct heat dissipation and protection to other components which are arranged on the outer side of the metal shell 7 and are arranged on the inner side of the protective cover 19, meanwhile, the temperature sensor 5 on the outer side of the protective cover 19 can be used for monitoring the temperature information of the working environment where the CMOS laser displacement sensor 3 is located in real time, when the temperature of the working environment where the CMOS laser displacement sensor 3 is located is higher, the inner side of the protective device can be subjected to pre-cooling treatment by starting the cooling mechanism, so that the laser displacement sensor can be always within the temperature range borne by the laser displacement sensor, and the normal work of the laser displacement sensor can be guaranteed;
when the CMOS laser displacement sensor 3 needs to work, the electrified magnetic block 17 is electrified, the permanent magnetic plate 16 is attracted by the electrified magnetic block 17, the sliding plate 10 can slide at the inner bottom of the protective cover 19, when the permanent magnetic plate 16 is abutted to the right end of the electrified magnetic block 17, the through hole 11 on the sliding plate 10 is just adjusted to the position vertically aligned with the detection window 9, so that the lens 4 on the CMOS laser displacement sensor 3 can smoothly detect the processed part, when the CMOS laser displacement sensor 3 is idle, the electrified magnetic block 17 is powered off, the sliding plate 10 can reset under the elastic action of the reset spring 15 and shield the detection window 9, so that the parts arranged inside the protective cover 19 can be sealed, dust in the working environment where the CMOS laser displacement sensor 3 is located when the CMOS laser displacement sensor 3 is idle can be prevented from entering the inside the protective cover 19 and polluting the lens 4 on the CMOS laser displacement sensor 3, therefore, the use process of the cooling and protection device based on the CMOS laser displacement sensor is completed.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (8)
1. A cooling and protection device based on a CMOS laser displacement sensor comprises a CMOS laser displacement sensor (3) and a protective cover (19), a CMOS laser displacement sensor (3) for timely measuring the parts is arranged in the protective cover (19), it is characterized in that the protective cover (19) is made of heat-insulating material, the inner side and the outer side of the protective cover (19) are respectively provided with a temperature sensor (5), and a cooling mechanism for cooling the CMOS laser displacement sensor (3) is arranged in the protective cover (19), the two temperature sensors (5) are connected with a circuit of the cooling mechanism, the bottom end of the protective cover (19) is provided with a detection window (9) vertically aligned with the lens (4) on the CMOS laser displacement sensor (3), and a protection mechanism which can automatically close the detection window (9) and can prevent dust from entering the lens (4) on the CMOS laser displacement sensor (3) is arranged in the protection cover (19).
2. The CMOS laser displacement sensor-based cooling and protecting device according to claim 1, wherein the cooling mechanism comprises a cooling pipe (8) wound on a peripheral bearing of the CMOS laser displacement sensor (3) in a thread-like structure, and two ends of the cooling pipe (8) are connected with a water cooling device.
3. The CMOS laser displacement sensor-based cooling and protection device according to claim 2, wherein the protection cover (19) is provided with a metal shell (7) inside, which is located outside the cooling pipe (8) and can dissipate heat of the CMOS laser displacement sensor (3).
4. The CMOS laser displacement sensor-based cooling and protection device according to claim 1, wherein the protection mechanism comprises a sliding plate (10) which is arranged at the bottom in the protection cover (19) through a sliding mechanism and can shield the detection window (9), and a through hole (11) which is arranged on the sliding plate (10) and can be vertically aligned and communicated with the detection window (9) through a driving mechanism.
5. The CMOS laser displacement sensor-based cooling and protecting device according to claim 4, wherein the driving mechanism comprises a permanent magnetic plate (16) fixedly and vertically arranged on the left end of the sliding plate (10), and an energizing magnetic block (17) which is arranged on the left side of the bottom end of the protecting cover (19) and has opposite magnetism to the permanent magnetic plate (16) when energized, and an elastic mechanism for resetting the permanent magnetic plate (16) is arranged on the right side of the bottom end of the protecting cover (19).
6. The CMOS laser displacement sensor-based cooling and protecting device according to claim 5, wherein the elastic mechanism comprises a first longitudinal plate (12) which is vertically and fixedly arranged at the top end of the sliding plate (10), a second longitudinal plate (13) which is fixedly arranged at the inner bottom of the protective cover (19) and is parallel to the first longitudinal plate (12), and a return spring (15) which is equidistantly arranged between the second longitudinal plate (13) and the first longitudinal plate (12), and when the magnetism of the energized magnetic block (17) disappears, the permanent magnetic plate (16) returns under the action of the return spring (15).
7. The CMOS laser displacement sensor-based cooling and protecting device according to claim 4, wherein the sliding mechanism comprises a T-shaped sliding block (14) slidably disposed at the bottom end of the sliding plate (10) and slidably connected with the inner bottom of the protecting cover (19), and a T-shaped sliding slot (18) opened at the inner bottom of the protecting cover (19) and allowing the T-shaped sliding block (14) to horizontally slide.
8. The CMOS laser displacement sensor-based cooling and protecting device according to claim 1, wherein the protecting cover (19) comprises an upper shell (1) and a lower shell (2) which are butted and detachably connected through a bolt, a sealing gasket is arranged on the butt joint end faces of the upper shell (1) and the lower shell (2), the protecting mechanism and the detection window (9) are arranged on the lower shell (2), and the temperature sensor (5) and the cooling mechanism are arranged on the lower shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965379.1U CN215813324U (en) | 2021-08-20 | 2021-08-20 | Cooling and protection device based on CMOS laser displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965379.1U CN215813324U (en) | 2021-08-20 | 2021-08-20 | Cooling and protection device based on CMOS laser displacement sensor |
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| Publication Number | Publication Date |
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| CN215813324U true CN215813324U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121965379.1U Active CN215813324U (en) | 2021-08-20 | 2021-08-20 | Cooling and protection device based on CMOS laser displacement sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507243A (en) * | 2022-10-12 | 2022-12-23 | 南京晨光东螺波纹管有限公司 | Online displacement corrugated pipe compensator applied to high-temperature occasions |
-
2021
- 2021-08-20 CN CN202121965379.1U patent/CN215813324U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507243A (en) * | 2022-10-12 | 2022-12-23 | 南京晨光东螺波纹管有限公司 | Online displacement corrugated pipe compensator applied to high-temperature occasions |
| CN115507243B (en) * | 2022-10-12 | 2023-08-18 | 南京晨光东螺波纹管有限公司 | Online displacement corrugated pipe compensator applied to high-temperature occasion |
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