CN210142795U - Laser head shell and laser - Google Patents
Laser head shell and laser Download PDFInfo
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- CN210142795U CN210142795U CN201920983557.XU CN201920983557U CN210142795U CN 210142795 U CN210142795 U CN 210142795U CN 201920983557 U CN201920983557 U CN 201920983557U CN 210142795 U CN210142795 U CN 210142795U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000004087 circulation Effects 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 47
- 238000001816 cooling Methods 0.000 claims description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model provides a laser head casing and laser instrument solves the lens and the protection lens of current laser instrument head and freezes easily or burns out, influences the output effect and the life's of laser instrument power problem. The laser head shell comprises a head shell, a water circulation passage is arranged on the head shell and comprises a first water inlet, a first water outlet and a water flow pipeline communicated with the first water inlet and the first water outlet, the water flow pipeline is arranged along the circumferential direction of the head shell, and the first water inlet and the first water outlet are respectively connected with an external circulating water cooler; the laser comprises a controller, a circulating water cooler, a temperature detection unit and a laser shell, wherein the laser shell comprises a laser head shell and a stacked water path arranged in the laser shell, and the laser head shell adopts the laser head shell.
Description
Technical Field
The utility model belongs to a laser instrument especially relates to a laser instrument head housing and laser instrument.
Background
The laser is a core component in laser processing production, and the reliability and stability of the laser directly determine the production quality and the production efficiency of laser processing equipment. Besides the parameters of the laser itself, the temperature variation inside the laser also directly affects the characteristics of the optical device. Under different environments, if the temperature of the laser cannot be stably detected and controlled, the output characteristic of the laser can be seriously influenced, and further the processing precision and the processing quality of laser processing equipment are influenced.
The existing laser is internally provided with a stacked water path, and controls the temperature of an optical light-emitting device inside the laser through water circulation, but the laser is damaged due to the fact that a lens and a protective lens which are arranged at the head of the laser are easily frozen or burnt in the working process, the power and the wavelength of an optical signal are changed, and the output effect and the service life of the power of the laser are influenced.
SUMMERY OF THE UTILITY MODEL
The laser head lens and the protection lens are easy to freeze or burn, and the output effect of the laser power and the service life are affected. The utility model provides a laser head casing and laser instrument.
In order to achieve the above purpose, the utility model provides a technical scheme is:
a laser head shell comprises a head shell body and is characterized in that: the water circulation pipeline is arranged along the circumferential direction of the head shell, and the first water inlet and the first water outlet are respectively connected with the external circulation water cooler.
Furthermore, a groove is formed in the outer surface of the head shell, a shell is sleeved on the head shell, and a water flow pipeline is formed between the groove and the inner surface of the shell.
Further, the water flow pipeline is spirally distributed on the head shell.
Further, the water flow pipelines are distributed on the side surface of the head shell in an S shape.
The utility model also provides a laser, including controller, circulating water-cooling machine, temperature detecting element, laser instrument casing, the laser instrument casing includes laser instrument head portion casing and the pile battle array water route of setting in the laser instrument casing, pile battle array water route and circulating water-cooling machine are connected and are formed the circulation circuit; the temperature detection unit is used for collecting the temperature in the laser shell and outputting the collected temperature to the controller, and the controller is connected with the circulating water cooling machine and used for controlling the work of the circulating water cooling machine;
it is characterized in that: the laser head shell adopts the laser head shell; and a first water inlet and a first water outlet of the laser head shell are respectively connected with the circulating water cooler.
Furthermore, the circulating water cooler comprises two water tanks, namely a first water tank and a second water tank; the first water tank is deionized water and is connected with the stacked array water path; the second water tank is common water and is connected with the water circulation passage.
Further, the laser device also comprises a humidity detection unit, a dry gas device, a gas inlet and a gas outlet which are communicated with the cavity in the laser shell; the humidity detection unit collects humidity in the laser shell and outputs the collected humidity to the controller; the gas inlet and the gas outlet are respectively connected with a dry gas device to form a gas circulation loop; the controller is connected with the dry gas device and used for controlling the work of the dry gas device.
Further, the temperature detection unit and the humidity detection unit are both arranged in the laser housing.
Further, the dry gas device adopts nitrogen with the purity of 99.99%.
Further, the temperature detection unit acquires the temperature of a stacked array inside the laser shell, the temperature of a light shielding plate, the temperature of a beam combining mirror or the temperature of a diaphragm; the controller is controlled by a PLC.
Compared with the prior art, the utility model has the advantages that:
1. the utility model discloses set up the hydrologic cycle route at laser head casing, control by temperature change laser head, avoid the laser instrument in the course of the work, the head is because of the high temperature or low messenger laser instrument fragile excessively, influences the output effect and the life of laser instrument power.
2. The utility model discloses can set up recess and suit shell at head casing surface, form the rivers pipeline, processing is convenient.
3. In order to cool or heat the laser head as large as possible, the water flow pipelines can be spirally distributed on the laser head;
or the water flow lines may be distributed "S" on the side of the laser head housing.
4. The utility model discloses the temperature control of laser instrument can form two way hydrologic circulations with laser head casing in the laser instrument cavity, and the heat is taken away or the heat is increased through the circulation flow of water, guarantees the cooling or the effect of rising temperature of laser instrument head and cavity, is favorable to improving the work efficiency and the life of laser instrument.
5. The utility model discloses a circulating water cooling casing includes two water tanks, is the deionized water with the water tank that folds battle array water path connection, guarantees that the inside microchannel that folds battle array of laser instrument is difficult to the jam when the cooling, and another water tank is only used for the cooling heat dissipation, does not have the microchannel, and ordinary water can, can effectively reduce use cost.
6. The utility model discloses the laser instrument still can include carries out dry gas device of drying to the laser instrument cavity, prevents that the laser instrument cavity is internal because the humidity too high can make the light source subassembly form the dewfall to pollute the light emitting area, cause the laser instrument to burn out.
7. The utility model discloses dry gas device can adopt nitrogen gas, and nitrogen gas is difficult for taking place chemical reaction with water, is insoluble in water, also absorbs water, gets into through the air inlet, blows off from the gas outlet at the inside convection current circulation of laser cavity to take away inside humid air, remain dry nitrogen gas and play the drying action.
8. The utility model discloses the temperature detecting element and the humidity detecting element of laser instrument can realize the temperature and humidity measurement to the laser instrument, can be used for in the laser instrument working process, and the data that pass through the controller based on the detection of the inside humiture of laser instrument reads and handles to real time control circulation water-cooling machine and dry gas device are with reaching laser instrument work and to temperature, the rated requirement of humidity, have and do benefit to the implementation, the convenient characteristics that realize.
Drawings
Fig. 1 is a schematic view of a head housing according to the present invention;
FIG. 2 is a schematic view of the head housing according to the present invention in one direction;
FIG. 3 is a schematic view of the head housing of the present invention in another orientation;
fig. 4 is a schematic structural view of the laser temperature and humidity control of the present invention;
fig. 5 is a first schematic structural diagram of a laser housing in the laser of the present invention;
fig. 6 is a second schematic structural diagram of a laser housing in the laser of the present invention;
fig. 7 is a third schematic structural diagram of a laser housing in the laser of the present invention;
fig. 8 is a schematic structural diagram of a laser housing in the laser of the present invention;
wherein the reference numbers are as follows:
1-laser shell, 11-head shell, 12-first water inlet, 13-first water outlet, 14-groove, 15-shell, 2-air outlet, 3-air inlet, 4-second water inlet, 5-second water outlet, 6-power supply, 7-signal transmission interface and 8-laser panel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The applicant finds in practice that in the working process of the existing laser, a lens and a protective lens mounted on the head of the laser are easy to be frozen or burnt, the main reason is that the temperature of the head of the laser is too low or too high in the working process of the laser, so that the lens and the protective lens are easy to be frozen or burnt, the existing water circulation only controls the temperature of an optical light-emitting device inside a cavity of the laser, but does not control the temperature of the head, and therefore, in order to prolong the service life of the laser, the temperature control design of the head of the laser is needed.
As shown in fig. 1 to 3, a laser head casing includes a head casing 11, the head casing 11 is provided with a water circulation path, the water circulation path includes a first water inlet 12, a first water outlet 13 and a water flow pipeline communicating the first water inlet 12 and the first water outlet 13, the water flow pipeline is circumferentially arranged along the head casing 11, and the first water inlet 12 and the first water outlet 13 are respectively connected with an external circulating water cooler to form a circulation loop.
The head shell 11 is provided with a water circulation passage, and the specific mode is as follows: a groove 14 is formed in the outer surface of the head shell 11, a shell 15 is mounted on the head shell 11, and a water flow pipeline is formed by the groove 14 and the inner surface of the shell. In order to cool the laser head as large as possible, the water flow pipelines can be distributed in two ways, the first way is that the water flow pipelines are spirally distributed on the head shell 11 (four side surfaces); secondly, the water flow pipelines are distributed on four side surfaces of the head shell 11 in an S-shaped manner in a bending manner, wherein the pipe orifices close to two adjacent side surfaces are respectively communicated with the first water inlet 12 or the first water outlet 13, and the pipe orifices close to the other side surfaces are communicated.
As shown in fig. 4 to 8, a laser includes a controller, a circulating water cooler, a temperature detection unit, and a laser housing 1, where the laser housing 1 includes a laser head housing and a stacked array waterway disposed in the laser housing, and the stacked array waterway is connected with the circulating water cooler to form a circulation loop; the temperature detection unit is used for collecting the temperature in the laser shell and outputting the collected temperature to the controller, and the controller is connected with the circulating water cooling machine and used for controlling the work of the circulating water cooling machine; the laser head shell adopts the laser head shell, a first water inlet 12 and a first water outlet 13 of the head shell 11 are respectively connected with a circulating water cooling machine to form a circulating loop, the circulating water cooling machine is connected to the head shell 11 and a laser cavity through rubber hoses to form a circulating water path, and the laser cavity cooling mainly cools the stacked array and the optical element to ensure the working temperature of the stacked array, so that the optical element is not subjected to thermal deformation, the optimal working effect is achieved, and the optimal power is output. The cooling of the head part of the laser head is mainly cooling and heat dissipation of a lens part at the front end of the laser head, and because the lens and the protective lens are arranged at the front end, laser is emitted from the inside finally through the protective lens; the lens is easy to crack due to the high temperature of reflected light and the like during working. The temperature and humidity inside the laser are detected, data are read and processed through the controller, and therefore the circulating water cooling machine and the gas drying device are controlled in real time in an automatic adjusting mode to meet the requirements of the laser on the temperature and humidity.
The circulating water cooler comprises two water tanks, namely a first water tank and a second water tank; the first water tank is deionized water and is connected with the stacked array water path, and the constant-temperature deionized water is cooled and circulated in the laser, so that the purpose of cooling the stacked array is achieved. The deionized water is pure water with impurities in the form of ions removed, so that the stacked micro-channels in the laser are not easy to block during cooling. The first water tank is provided with deionized resin for filtration, so that the water quality is ensured, and the conductivity is required to be less than 5 mu s/cm; the second water tank is only used for cooling the outer wall of the head shell 11, so that heat dissipation of the front-end lens is achieved, a micro-channel is not needed, common water can be used, the second water tank is connected with the first water inlet 12 and the first water outlet 13, heat is taken away through circulating flow of water, and the cooling effect of the surface of the head shell of the laser is guaranteed to be as large as possible.
The laser also comprises a humidity detection unit, a dry gas device, a gas inlet 3 and a gas outlet 2 which are communicated with the laser cavity; the humidity detection unit collects the humidity in the laser cavity and outputs the collected humidity to the controller; the gas inlet 3 and the gas outlet 2 are connected with a dry gas device to form a gas circulation loop; the controller is connected with the dry gas device and is used for controlling the work of the dry gas device.
The drying gas device is used for drying the laser according to the detection data of the humidity detection unit, the adopted gas is nitrogen which is not easy to react with water chemically, is insoluble in water and does not absorb water, the nitrogen is blown out from the gas outlet 2 in an internal convection circulation mode, the internal moist air is taken away, and the dry nitrogen is reserved to play a drying role, and the nitrogen with the purity of 99.99 percent is adopted; the drying gas device is provided with a gas regulating valve.
Inside laser instrument casing was all arranged in to temperature, humidity detecting element, temperature detecting element detected the temperature of position such as fold battle array, light screen, beam combiner, diaphragm for NTC thermistor, and NTC thermistor sensitivity is higher, and stability is good, simple structure, and is small, can measure unable measuring space, the cavity of other temperature-detecting device. The humidity detection unit is in linear analog output, and the linear analog output can facilitate programming and data accuracy. The controller is controlled by the PLC, so that the signals can be conveniently collected and processed, the anti-interference capability is high, and the communication is convenient. The circulating water cooler is connected with the laser shell to form a closed-loop water path and is controlled by the PLC. The drying gas device is connected with the inner cavity of the laser shell and is controlled by the PLC.
The utility model discloses the inside temperature detecting element and the humidity detecting element of laser instrument detect corresponding data, feed back to PLC and according to laser instrument parameter control circulation water-cooling machine and dry gas device through data interface to provide a good operational environment for the laser instrument, guarantee the efficiency and the quality of laser instrument equipment production.
The rear end of the laser is provided with a laser panel 8, a dry gas one-way valve is arranged on the laser panel 8, a signal transmission interface 7 is arranged on the laser panel, a power supply 6 for supplying power to the controller, a second water inlet 4 and a second water outlet 5 which are communicated with a cascade waterway in the laser cavity are arranged on the laser panel 8, and the second water inlet 4 and the second water outlet 5 are communicated with a first water tank of the circulating water cooler to form a circulating waterway.
The controller PLC calculates the temperature of the relevant position of the laser according to the feedback resistance value of the thermistor (the thermistor detects and outputs a resistance signal), and obtains the internal humidity value of the laser (the humidity detection unit outputs a voltage signal) by performing digital-to-analog conversion through the humidity detection unit. And the controller respectively calculates the temperature and the humidity inside the laser according to the resistance value and the voltage fed back by the temperature and humidity detection unit.
The PLC controller operates through the touch screen, and sets three temperature values related to the optimal temperature according to the optimal temperature of the laser during working, so that the laser can be protected, for example, the optimal temperature of the laser during working is 25 ℃, and the three temperature values related to the optimal temperature are set to be 5 ℃ at the first temperature, 45 ℃ at the second temperature and 60 ℃ at the third temperature. When the detected temperature is lower than the first temperature, starting the circulating water cooler for heating, and closing the circulating water cooler when the temperature of the circulating water rises to 25 ℃ of the working temperature of the laser; when the temperature is detected to be higher than the second temperature, starting the circulating water cooling machine to refrigerate, and closing the circulating water when the temperature is reduced to 25 ℃ of the working temperature of the laser; when the detected temperature is higher than the third temperature, the laser stops working so as to protect the performance and the service life of the laser. Meanwhile, the humidity value can be similarly designed, and the first humidity and the second humidity in the laser can be set to be 10% and 30%; when the internal humidity is detected to be higher than the first humidity, reading a signal and sending an instruction by a PLC (programmable logic controller) to control the dry gas device to be opened, conveying dry gas to the laser until the humidity is reduced to be lower than 10%, and closing the dry gas device; when the internal humidity is detected to be greater than the second humidity, the laser stops working to protect the performance and the service life of the laser. The detection and control are real-time, so that the working temperature of the laser is about 25 ℃ under any working condition, and the working humidity is below 10%.
The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any known modifications made by those skilled in the art on the basis of the main technical idea of the present invention belong to the technical scope to be protected by the present invention.
Claims (10)
1. A laser head housing comprising a head housing (11), characterized in that: be provided with the hydrologic cycle route on head casing (11), the hydrologic cycle route includes first water inlet (12), first delivery port (13), the rivers pipeline of first water inlet of intercommunication (12) and first delivery port (13), rivers pipeline sets up along head casing (11) circumference, first water inlet (12) and first delivery port (13) are connected with the cold machine of outside circulation respectively.
2. A laser head housing according to claim 1, wherein: the water flow pipe is characterized in that a groove (14) is formed in the outer surface of the head shell (11), a shell (15) is sleeved on the head shell (11), and a water flow pipeline is formed between the groove (14) and the inner surface of the shell (15).
3. A laser head housing according to claim 1 or 2, wherein: the water flow pipelines are spirally distributed on the head shell (11).
4. A laser head housing according to claim 1 or 2, wherein: the water flow pipelines are distributed on the side surface of the head shell (11) in an S shape.
5. A laser comprises a controller, a circulating water-cooling machine, a temperature detection unit and a laser shell (1), wherein the laser shell (1) comprises a laser head shell and a stacked water path arranged in the laser shell (1), and the stacked water path is connected with a circulating water cooling machine to form a circulating loop; the temperature detection unit is used for collecting the temperature in the laser shell (1) and outputting the collected temperature to the controller, and the controller is connected with the circulating water cooling machine and used for controlling the work of the circulating water cooling machine;
the method is characterized in that: the laser head housing is the one described in any one of claims 1 to 4.
6. A laser according to claim 5, wherein: the circulating water cooler comprises two water tanks, namely a first water tank and a second water tank;
the first water tank is deionized water and is connected with the stacked array water path;
the second water tank is common water and is connected with the water circulation passage.
7. A laser according to claim 5 or 6, characterized in that: the laser device also comprises a humidity detection unit, a dry gas device, a gas inlet (3) and a gas outlet (2), wherein the gas inlet and the gas outlet are communicated with a cavity in the laser shell (1);
the humidity detection unit is used for collecting the humidity of the inner cavity of the laser shell and outputting the collected humidity to the controller;
the gas inlet (3) and the gas outlet (2) are respectively connected with a dry gas device to form a gas circulation loop;
the controller is connected with the dry gas device and used for controlling the work of the dry gas device.
8. A laser according to claim 7, wherein: the temperature detection unit and the humidity detection unit are both arranged in the laser shell.
9. A laser according to claim 8, wherein: the drying gas device adopts nitrogen with the purity of 99.99 percent.
10. A laser according to claim 5, wherein: the temperature detection unit is used for acquiring the temperature of a stacked array or the temperature of a light shielding plate or the temperature of a beam combining mirror or the temperature of a diaphragm in the laser shell (1); the controller is controlled by a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920983557.XU CN210142795U (en) | 2019-06-27 | 2019-06-27 | Laser head shell and laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920983557.XU CN210142795U (en) | 2019-06-27 | 2019-06-27 | Laser head shell and laser |
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| Publication Number | Publication Date |
|---|---|
| CN210142795U true CN210142795U (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920983557.XU Expired - Fee Related CN210142795U (en) | 2019-06-27 | 2019-06-27 | Laser head shell and laser |
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| CN (1) | CN210142795U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590212A (en) * | 2020-05-11 | 2020-08-28 | 浙江摩多巴克斯科技股份有限公司 | High-speed high-precision multi-axis linkage laser cutting machine with free circular cutting function |
| CN113422288A (en) * | 2021-08-24 | 2021-09-21 | 山东强能新能源有限公司 | Cooling device for solar photovoltaic semiconductor laser |
-
2019
- 2019-06-27 CN CN201920983557.XU patent/CN210142795U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590212A (en) * | 2020-05-11 | 2020-08-28 | 浙江摩多巴克斯科技股份有限公司 | High-speed high-precision multi-axis linkage laser cutting machine with free circular cutting function |
| CN113422288A (en) * | 2021-08-24 | 2021-09-21 | 山东强能新能源有限公司 | Cooling device for solar photovoltaic semiconductor laser |
| CN113422288B (en) * | 2021-08-24 | 2021-11-02 | 山东强能新能源有限公司 | Cooling device for solar photovoltaic semiconductor laser |
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Granted publication date: 20200313 |