CN214952871U - Laser instrument camera lens dustproof construction - Google Patents
Laser instrument camera lens dustproof construction Download PDFInfo
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- CN214952871U CN214952871U CN202120958697.9U CN202120958697U CN214952871U CN 214952871 U CN214952871 U CN 214952871U CN 202120958697 U CN202120958697 U CN 202120958697U CN 214952871 U CN214952871 U CN 214952871U
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Abstract
The utility model relates to a dustproof structure of a laser lens, which comprises a shell, clean gas supply equipment and a gas injection structure, wherein a laser is arranged in the shell, and a first gas inlet and a gas outlet are arranged on the wall of the shell below the lens of the laser; the air injection structure is arranged between the lens of the laser and the first air inlet; the clean gas supply equipment is communicated with the gas injection structure to convey clean gas to the gas injection structure, and the clean gas is sprayed out of the gas injection structure and forms a gas curtain wall of the clean gas below the lens of the laser. The beneficial effects are that: the air curtain wall of clean gas is built in the below of the camera lens of laser instrument, and the air curtain wall of clean gas can block the camera lens that the gas flow direction laser instrument that awaits measuring like this to effectively solve the laser instrument camera lens and influenced the problem by the dust in the use, the camera lens surface is dustproof more reliable, and no particle is adhered to, and is dustproof effectual, promotes laser instrument camera lens precision, and no particle air current activity in the camera lens surface, and the detection result precision is high.
Description
Technical Field
The utility model relates to a gaseous suspended particle detects technical field, concretely relates to laser instrument camera lens dustproof construction.
Background
Along with the increasing popularization of laser application, utilize the laser instrument to detect gas particle, laser instrument camera lens dustproof commonly used at present is the air blowing type structure:
the problems with this approach are:
1. dust in the air can be attached to the surface of the lens in the blowing process, so that the actual dustproof effect is poor;
2. the particle activity is frequent in the blowing process, so that the accuracy of a detection result is influenced;
3. after the operation is finished, the lens cannot continue to be effectively dustproof.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a laser instrument camera lens dustproof construction is provided to overcome not enough among the above-mentioned prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a dustproof structure of a laser lens comprises a shell, clean gas supply equipment and a gas injection structure, wherein a laser is installed in the shell, and a first gas inlet and a gas outlet are formed in the wall of the shell and below the laser lens; the air injection structure is arranged between the lens of the laser and the first air inlet; the clean gas supply equipment is communicated with the gas injection structure to convey clean gas to the gas injection structure, and the clean gas is sprayed out of the gas injection structure and forms a gas curtain wall of the clean gas below the lens of the laser.
The utility model has the advantages that: the air curtain wall of clean gas is built in the below of the camera lens of laser instrument, and the air curtain wall of clean gas can block the camera lens that the gas flow direction laser instrument that awaits measuring like this to effectively solve the laser instrument camera lens and influenced the problem by the dust in the use, the camera lens surface is dustproof more reliable, and no particle is adhered to, and is dustproof effectual, promotes laser instrument camera lens precision, and no particle air current activity in the camera lens surface, and the detection result precision is high.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the gas injection structure comprises a gas cabin which is positioned in the wall of the shell and surrounds the lens, and a plurality of gas outlet holes which are positioned on the inner wall of the shell and are communicated with the gas cabin; the plurality of air outlet holes are distributed around the lens and are positioned below the lens; the clean gas supply equipment is communicated with the gas cabin to convey clean gas to the gas cabin, and the clean gas is sprayed out of the gas outlet hole to form a gas curtain wall of the clean gas below the lens of the laser.
The adoption of the further beneficial effects is as follows: simple structure, and can effectually ensure to form clean gaseous gas curtain wall.
Further, the clean gas supply equipment comprises an electric fan and a filter, wherein the gas outlet of the electric fan is communicated with the gas inlet of the filter, and the gas outlet of the filter is communicated with the gas injection structure.
The adoption of the further beneficial effects is as follows: the method for obtaining the clean gas is simple, and the air can be directly used.
Further, clean gas supply equipment still includes first trachea and second trachea, and electric fan's gas outlet passes through the air inlet intercommunication of first trachea and filter, and the gas outlet of filter passes through second trachea and jet-propelled structure intercommunication.
Further, still include third trachea and ooff valve, electric fan has two gas outlets, and one of them gas outlet communicates with the air inlet of filter, and another gas outlet passes through third trachea and first air inlet intercommunication, and the ooff valve sets up on the third trachea.
The adoption of the further beneficial effects is as follows: when the gas spraying structure starts to work, the switch valve is closed firstly, then the electric fan is started, the electric fan sucks gas to be detected, part of the gas to be detected forms clean gas after being filtered by the filter, the clean gas enters the gas spraying structure and is ejected by the gas spraying structure, and a gas curtain wall of the clean gas is formed; then opening a switch valve, enabling part of gas to be detected to enter the shell through a third gas pipe and a first gas inlet, simultaneously working a laser, detecting the gas to be detected through a gas curtain wall, and closing the switch valve after the detection is finished; the same electric fan is shared, so that the cost can be saved, and the utilization rate of equipment is improved.
Further, still include the intake pipe, the one end of intake pipe and electric fan's air inlet intercommunication.
Further, still include the check valve, set up the check valve in the gas vent, the gas flow direction of check valve is for flowing to the shell outside by the inside flow direction of shell.
The adoption of the further beneficial effects is as follows: after the equipment is shut down, external gas can be prevented from entering the shell through the exhaust port, the dustproof effect of the lens is ensured permanently, and the dust removal and maintenance-free effect of the lens is achieved.
Drawings
Fig. 1 is the structure diagram of the dustproof structure of the laser lens of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. shell, 110, first air inlet, 120, gas vent, 2, laser instrument, 3, gas cabin, 4, venthole, 5, electric fan, 6, filter, 7, first trachea, 8, second trachea, 9, third trachea, 10, ooff valve, 11, check valve, 12, intake pipe.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1, a dust-proof structure for a laser lens comprises a housing 1, a clean gas supply device and a gas injection structure; the laser 2 is arranged in the housing 1, in general, the laser 2 is arranged at the top of the interior of the housing 1, a first air inlet 110 is arranged on the wall of the housing 1 below the lens of the laser 2, an air outlet 120 is arranged on the wall of the housing 1 below the lens of the laser 2, and the first air inlet 110 is preferably arranged coaxially with the air outlet 120; the air injection structure is arranged between the lens of the laser 2 and the first air inlet 110; the clean gas supply equipment is communicated with the gas injection structure to convey clean gas to the gas injection structure, and the clean gas is sprayed out by the gas injection structure and forms a gas curtain wall of the clean gas below the lens of the laser 2.
Example 2
As shown in fig. 1, this embodiment is further optimized based on embodiment 1, and it specifically includes the following steps:
the air injection structure comprises an air chamber 3 which is positioned in the wall of the shell 1 and surrounds the lens, and a plurality of air outlet holes 4 which are positioned on the inner wall of the shell 1 and are communicated with the air chamber 3; a plurality of air outlet holes 4 are distributed around the lens, and the air outlet holes 4 are positioned below the lens; clean gas supply apparatus and 3 intercommunications in gas cabin, clean gas supply apparatus carry clean gas to gas cabin 3, and the clean gas that enters into in the gas cabin 3 is spouted by venthole 4 and forms the gas curtain wall of at least one clean gas below the camera lens of laser instrument 2, in this embodiment, it can to form the gas curtain wall of one clean gas, if need form the multichannel, then set up many rings of ventholes 4 can.
Of course the air injection structure can also be other structures, such as: the gas injection structure comprises an annular pipe and gas holes arranged on the inner annular surface of the annular pipe, and the clean gas supply equipment is communicated with the annular pipe.
Example 3
As shown in fig. 1, this embodiment is further optimized based on embodiment 1 or 2, and it is specifically as follows:
the clean gas supply equipment comprises an electric fan 5 and a filter 6, wherein a gas outlet of the electric fan 5 is communicated with a gas inlet of the filter 6, a gas outlet of the filter 6 is communicated with a gas injection structure, the electric fan 5 sucks gas, sends the gas into the filter 6, and filters the gas by the filter 6, so that clean gas can be obtained.
Example 4
As shown in fig. 1, this embodiment is further optimized based on embodiment 1 or 2, and it is specifically as follows:
the clean gas supply equipment further comprises a first gas pipe 7 and a second gas pipe 8, the gas outlet of the electric fan 5 is communicated with the gas inlet of the filter 6 through the first gas pipe 7, and the gas outlet of the filter 6 is communicated with the gas injection structure through the second gas pipe 8.
Example 5
As shown in fig. 1, this embodiment is further optimized based on embodiment 3 or 4, and it is specifically as follows:
laser instrument camera lens dustproof construction still includes third trachea 9 and ooff valve 10, and electric fan 5 has two gas outlets, and one of them gas outlet of electric fan 5 and the air inlet intercommunication of filter 6, another gas outlet of electric fan 5 pass through third trachea 9 and first air inlet 110 intercommunication, and ooff valve 10 sets up on third trachea 9, and ooff valve 10 can be the ball valve.
Example 6
As shown in fig. 1, this embodiment is further optimized based on any one of embodiments 1 to 5, and specifically includes the following steps:
laser instrument camera lens dustproof construction still includes intake pipe 12, the one end of intake pipe 12 and electric fan 5's air inlet intercommunication, and the other end of intake pipe 12 is arranged in waiting to survey the environment.
Example 7
As shown in fig. 1, this embodiment is further optimized based on any one of embodiments 1 to 6, and specifically includes the following steps:
the dustproof structure of the laser lens further comprises a one-way valve 11, the one-way valve 11 is arranged in the exhaust port 120, and the gas flow direction of the one-way valve 11 flows from the inside of the shell 1 to the outside of the shell 1.
The first, second and third gas tubes 7, 8, 9 are preferably silica gel gas tubes.
When the gas curtain wall starts to work, the switch valve 10 is closed firstly, then the electric fan 5 is started, the electric fan 5 sucks gas to be detected, the gas to be detected is filtered by the filter 6 to form clean gas and enters the gas cabin 3, and the gas is ejected from the gas outlet holes 4 to form a clean gas curtain wall;
then, opening the switch valve 10, allowing a part of gas to be detected to enter the shell 1 through the third gas pipe 9 and the first gas inlet 110, and simultaneously, operating the laser 2 to detect the gas to be detected through the gas curtain wall; after the detection is finished, the switch valve 10 is closed, the gas to be cleaned is discharged through the one-way valve 11 and the exhaust port 120, and the electric fan 5 is closed.
Through this kind of mode can not only effectively solve the laser instrument camera lens and receive the dust influence problem in the use, guarantee the equipment precision, can avoid outside gas to pass through gas vent 120 and get into in the shell 1 in addition after equipment shuts down, guarantee the dustproof effect of camera lens lastingly.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. A dustproof structure of a laser lens is characterized by comprising a shell (1), clean gas supply equipment and a gas injection structure, wherein a laser (2) is installed in the shell (1), and a first gas inlet (110) and a gas outlet (120) are formed in the wall of the shell (1) and below the lens of the laser (2); the air injection structure is arranged between a lens of the laser (2) and the first air inlet (110); the clean gas supply equipment is communicated with the gas injection structure to convey clean gas to the gas injection structure, and the clean gas is sprayed out of the gas injection structure and forms a gas curtain wall of the clean gas below the lens of the laser.
2. The dust-proof structure of the laser lens according to claim 1, wherein the gas injection structure comprises a gas chamber (3) located in the wall of the housing (1) and surrounding the lens, and a plurality of gas outlet holes (4) located on the inner wall of the housing (1) and communicating with the gas chamber (3); the air outlet holes (4) are distributed around the lens and are positioned below the lens; the clean gas supply equipment is communicated with the gas cabin (3) to convey clean gas to the gas cabin (3), and the clean gas is sprayed out of the gas outlet hole (4) to form a gas curtain wall of the clean gas below the lens of the laser (2).
3. The laser lens dustproof structure according to claim 1, wherein the clean gas supply device comprises an electric fan (5) and a filter (6), an air outlet of the electric fan (5) is communicated with an air inlet of the filter (6), and an air outlet of the filter (6) is communicated with the air injection structure.
4. The laser lens dust-proof structure according to claim 3, wherein the clean gas supply device further comprises a first gas pipe (7) and a second gas pipe (8), the gas outlet of the electric blower (5) is communicated with the gas inlet of the filter (6) through the first gas pipe (7), and the gas outlet of the filter (6) is communicated with the gas injection structure through the second gas pipe (8).
5. A dust-proof structure for laser lens according to claim 3, further comprising a third air tube (9) and a switch valve (10), wherein the electric blower (5) has two air outlets, one of which is communicated with the air inlet of the filter (6), and the other is communicated with the first air inlet (110) through the third air tube (9), and the switch valve (10) is disposed on the third air tube (9).
6. The laser lens dustproof structure according to claim 5, further comprising an air inlet pipe (12), wherein one end of the air inlet pipe (12) is communicated with an air inlet of the electric blower (5).
7. The laser lens dustproof structure according to any one of claims 1 to 6, further comprising a check valve (11), wherein the check valve (11) is disposed in the exhaust port (120), and a gas flow direction of the check valve (11) is from inside the housing (1) to outside the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958697.9U CN214952871U (en) | 2021-05-07 | 2021-05-07 | Laser instrument camera lens dustproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958697.9U CN214952871U (en) | 2021-05-07 | 2021-05-07 | Laser instrument camera lens dustproof construction |
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| CN214952871U true CN214952871U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120958697.9U Active CN214952871U (en) | 2021-05-07 | 2021-05-07 | Laser instrument camera lens dustproof construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115945491A (en) * | 2023-03-14 | 2023-04-11 | 合肥金星智控科技股份有限公司 | Protective housing of laser detection equipment and laser detection equipment |
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2021
- 2021-05-07 CN CN202120958697.9U patent/CN214952871U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115945491A (en) * | 2023-03-14 | 2023-04-11 | 合肥金星智控科技股份有限公司 | Protective housing of laser detection equipment and laser detection equipment |
| CN115945491B (en) * | 2023-03-14 | 2023-08-08 | 合肥金星智控科技股份有限公司 | Protective housing of laser detection equipment and laser detection equipment |
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