CN111929291A - Air cavity air pressure adjusting device of multifunctional laser-induced breakdown spectrometer - Google Patents
Air cavity air pressure adjusting device of multifunctional laser-induced breakdown spectrometer Download PDFInfo
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- CN111929291A CN111929291A CN202010593988.2A CN202010593988A CN111929291A CN 111929291 A CN111929291 A CN 111929291A CN 202010593988 A CN202010593988 A CN 202010593988A CN 111929291 A CN111929291 A CN 111929291A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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Abstract
The invention discloses an air cavity air pressure adjusting device of a multifunctional laser induced breakdown spectrometer, which comprises a laser induced breakdown spectrometer body, a handheld handle, a base, a main controller, a display panel, a laser lens, an air outlet pipe, an air inlet pipe, an air guide hose, an air outlet, an air inlet, an air pressure buffer tank, an air cylinder, an air pressure adjustable meter structure, an impurity-proof filtering gas processing net structure and a detachable exhaust heat dissipation pipe structure, wherein the right lower side of the laser induced breakdown spectrometer body is connected with the base through the handheld handle; the laser induced breakdown spectrometer is characterized in that the left wall and the right wall of the right lower side inside the laser induced breakdown spectrometer body are longitudinally connected with a main controller and a display panel through screws. The arrangement of the barometer, the air release pipe, the adjusting rod, the adjusting bolt, the air pressure adjusting plug, the buffer spring and the handheld cap is favorable for adjusting air pressure, facilitates detection operation and ensures convenience in adjustment.
Description
Technical Field
The invention belongs to the technical field of spectrum detection equipment, and particularly relates to an air cavity pressure adjusting device of a multifunctional laser-induced breakdown spectrometer.
Background
The handheld laser-induced breakdown spectrometer comprises a laser excitation part and a spectral analysis part, and the working principle of the handheld laser-induced breakdown spectrometer is that a small part of material on the surface of an object to be measured is converted into a plasma state by laser, then a light collector is used for collecting light emitted by the material in the plasma state, and the spectral analysis part is further used for carrying out spectral analysis on the collected light so as to determine the components of the object to be measured.
When a substance is detected by the conventional handheld laser-induced breakdown spectrometer, an inert gas is generally required to protect a detected area so as to prevent the chemical reaction of the detected substance from changing the components of the detected substance, and the spectral analysis accuracy can be improved.
However, the existing air cavity air pressure adjusting device also has the problems that the detection effect is influenced due to unclean air inflow, the air pressure adjusting effect is poor and the air exhausting and heat dissipating functions are not provided.
Therefore, it is necessary to invent an air cavity pressure adjusting device of a multifunctional laser-induced breakdown spectrometer.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a multi-functional laser-induced breakdown spectroscopy's air cavity atmospheric pressure adjusting device to there is the unclean problem that influences the detection effect of admitting air, and atmospheric pressure regulating effect is poor and do not possess the exhaust heat dissipation function in current air cavity atmospheric pressure adjusting device.
In order to solve the technical problems, the invention adopts the technical scheme that: an air cavity pressure adjusting device of a multifunctional laser-induced breakdown spectrometer comprises a laser-induced breakdown spectrometer body, a handheld handle, a base, a main controller, a display panel, a laser lens, an air outlet pipe, an air inlet pipe, an air guide hose, an air outlet, an air inlet, an air pressure buffer box, an air cylinder, an air pressure adjustable meter structure, an impurity-proof filtering gas processing net structure and a detachable exhaust and heat dissipation pipe structure, wherein the base is connected to the lower right side of the laser-induced breakdown spectrometer body through the handheld handle; the left wall and the right wall of the right lower side inside the laser induced breakdown spectrometer body are longitudinally connected with a main controller and a display panel through screws; the right lower wall of the laser induced breakdown spectrometer body is provided with an observation port and is arranged opposite to and matched with the display panel; the upper left end of the laser induced breakdown spectrometer body is connected with a laser lens through a screw; the upper side and the lower side of the laser lens are both provided with an air outlet pipe and an air inlet pipe, and the air outlet pipe and the air inlet pipe are connected with the laser induced breakdown spectrometer body through screws; the air outlet pipe is connected with the air outlet through an air guide hose; the air inlet pipe is connected with the air inlet through an air guide hose; the air outlet and the air inlet are arranged at the upper part and the lower part of the left side of the air pressure buffer box; the air pressure adjustable meter structure is connected with the air pressure buffer box; the impurity-proof filtering gas processing net structure is connected with the gas bottle; the detachable exhaust heat dissipation pipe structure is connected with the laser induced breakdown spectrometer body; the air pressure adjustable meter structure comprises an air pressure meter, an air releasing pipe, an adjusting rod, an adjusting bolt, an air pressure adjusting plug, a buffer spring and a handheld cap, wherein the air pressure meter is in threaded connection with an outlet at the lower left side of the air releasing pipe; the air release pipe is sleeved on the outer wall of the adjusting rod and is fastened and connected through an adjusting bolt; the upper end of the adjusting rod is in threaded connection with an air pressure adjusting plug; the buffer spring is sleeved on the outer wall of the adjusting rod; the hand-held cap is in threaded connection with the lower end of the adjusting rod.
Preferably, the anti-impurity filtering gas treatment net structure comprises a treatment box, an impurity filtering treatment net, box covers, fixing bolts, a gas guide pipe and an anti-impurity adsorption core, wherein the impurity filtering treatment net is arranged in the middle of the inside of the treatment box, and is longitudinally arranged in the middle of the inner side between the box covers and is also fixedly connected and arranged through the fixing bolts; the air guide pipe is in threaded connection with the right end of the treatment box; the inner screw of the air duct is connected with an impurity-proof adsorption core.
Preferably, the detachable exhaust and heat dissipation pipe structure comprises an exhaust pipe, a detachable frame, a protective net, a quick-detachable bolt, an exhaust box and a heat dissipation fan, wherein the right end of the exhaust pipe is in threaded connection with the middle part of the left side of the detachable frame; the middle part in the disassembly frame is connected with a protective net through a screw; the four corners inside the disassembling frame are all connected with quick disassembling bolts in a threaded manner; the right end of the disassembling frame is connected with an exhaust box through a screw; and the upper and lower outlets on the right side of the exhaust box are connected with radiating fans through screws.
Preferably, the gas release pipe longitudinally penetrates through the left wall of the bottom of the laser induced breakdown spectrometer body, and the upper end of the gas release pipe is in threaded connection with the outlet at the lower part of the gas pressure buffer tank.
Preferably, the buffer spring is positioned between the handheld cap and the air release pipe, and the buffer spring is a cylindrical stainless steel spring.
Preferably, the air pressure adjusting plug adopts a rubber plug and is positioned at the upper end of the air release pipe.
Preferably, the box cover is in threaded connection with the upper end and the lower end of the treatment box.
Preferably, the inlet of the left end of the treatment box is in threaded connection with the outlet of the right end of the air pressure buffer box.
Preferably, the right end of the air guide pipe is in threaded connection with the left end of the air bottle.
Preferably, the impurity filtering treatment net is a rectangular stainless steel filter net.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the arrangement of the barometer, the air release pipe, the adjusting rod, the adjusting bolt, the air pressure adjusting plug, the buffer spring and the handheld cap is favorable for adjusting air pressure, is convenient for detection operation and ensures the convenience of adjustment.
According to the invention, the treatment box, the impurity filtering treatment net, the box cover, the fixing bolt, the air guide pipe and the impurity-preventing adsorption core are arranged, so that impurities can be adsorbed and treated, the cleanness of air inlet is ensured, and the detection accuracy is improved.
In the invention, the arrangement of the exhaust pipe, the disassembly frame, the protective net, the quick-disassembly bolt, the exhaust box and the heat dissipation fan is beneficial to increasing the exhaust and heat dissipation functions and ensuring the working stability of the instrument.
According to the laser induced breakdown spectrometer, the arrangement of the laser induced breakdown spectrometer body, the handheld handle and the base is favorable for achieving good supporting stability, and the laser induced breakdown spectrometer is convenient to hold and operate.
In the invention, the main controller, the display panel and the laser lens are arranged, so that the detection and the use are facilitated, and the operation is convenient.
In the invention, the arrangement of the air outlet pipe, the air inlet pipe, the air guide hose, the air outlet and the air inlet is favorable for air inlet and exhaust, and the smooth detection operation is ensured.
In the invention, the arrangement of the air pressure buffer box is beneficial to air pressure buffering and ensures the operation stability.
In the invention, the arrangement of the gas cylinder is beneficial to gas backflow and ensures the operation stability. Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic structural diagram of an adjustable air pressure gauge structure according to the present invention.
FIG. 3 is a schematic structural view of the anti-contamination filtering gas processing net structure of the present invention.
Fig. 4 is a schematic structural diagram of a detachable exhaust heat sink structure according to the present invention.
In fig. 1 to 4:
1. a laser induced breakdown spectrometer body; 2. a handle; 3. a base; 4. a main controller; 5. a display panel; 6. a laser lens; 7. an air outlet pipe; 8. an air inlet pipe; 9. an air guide hose; 10. an exhaust port; 11. an air inlet; 12. an air pressure buffer tank; 13. a gas cylinder; 14. an air pressure adjustable gauge structure; 141. a barometer; 142. a gas releasing pipe; 143. adjusting a rod; 144. adjusting the bolt; 145. a pressure regulating plug; 146. a buffer spring; 147. a cap is held by hand; 15. a structure of impurity-proof filtering gas processing net; 151. a treatment tank; 152. filtering the impurity processing net; 153. a box cover; 154. fixing the bolt; 155. an air duct; 156. an anti-impurity adsorption core; 16. a detachable exhaust heat radiation pipe structure; 161. an exhaust pipe; 162. disassembling the frame; 163. a protective net; 164. a quick release bolt; 165. an exhaust box; 166. a heat dissipation fan.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in fig. 1 and fig. 2, the air cavity pressure adjusting device of a multifunctional laser-induced breakdown spectrometer comprises a laser-induced breakdown spectrometer body 1, a handheld handle 2, a base 3, a main controller 4, a display panel 5, a laser lens 6, an air outlet pipe 7, an air inlet pipe 8, an air guide hose 9, an air outlet 10, an air inlet 11, an air pressure buffer tank 12, an air cylinder 13, an air pressure adjustable meter structure 14, an impurity-proof filtering gas processing net structure 15 and a detachable exhaust and heat dissipation pipe structure 16, wherein the right lower side of the laser-induced breakdown spectrometer body 1 is connected with the base 3 through the handheld handle 2; the left wall and the right wall of the right lower side inside the laser induced breakdown spectrometer body 1 are longitudinally connected with a main controller 4 and a display panel 5 through screws; the right lower wall of the laser induced breakdown spectrometer body 1 is provided with an observation port and is arranged opposite to and matched with the display panel 5; the laser induced breakdown spectrometer comprises a laser induced breakdown spectrometer body 1, wherein a laser lens 6 is connected to the upper left end of the laser induced breakdown spectrometer body through a screw; the upper side and the lower side of the laser lens 6 are both provided with an air outlet pipe 7 and an air inlet pipe 8, and the air outlet pipe 7 and the air inlet pipe 8 are in screw connection with the laser induced breakdown spectrometer body 1; the air outlet pipe 7 is connected with an air outlet 10 through an air guide hose 9; the air inlet pipe 8 is connected with an air inlet 11 through an air guide hose 9; the exhaust port 10 and the air inlet 11 are both arranged at the upper part and the lower part of the left side of the air pressure buffer box 12; the air pressure adjustable meter structure 14 is connected with the air pressure buffer box 12; the impurity-proof filtering gas processing net structure 15 is connected with the gas bottle 13; the detachable exhaust and heat dissipation pipe structure 16 is connected with the laser induced breakdown spectrometer 1; the air pressure adjustable meter structure 14 comprises an air pressure meter 141, an air release pipe 142, an adjusting rod 143, an adjusting bolt 144, an air pressure adjusting plug 145, a buffer spring 146 and a handheld cap 147, wherein the air pressure meter 141 is in threaded connection with the outlet at the lower left side of the air release pipe 142; the air release pipe 142 is sleeved on the outer wall of the adjusting rod 143 and is fastened and connected through an adjusting bolt 144; the upper end of the adjusting rod 143 is connected with an air pressure adjusting plug 145 through threads; the buffer spring 146 is sleeved on the outer wall of the adjusting rod 143; the hand-held cap 147 is in threaded connection with the lower end of the adjusting rod 143, the adjusting bolt 144 can be loosened when the air pressure of the air cavity is adjusted, the hand-held cap 147 moves to adjust the action position of the adjusting rod 143 in the air release pipe 142, the air exhaust pressure can be adjusted, the air exhaust pressure is detected in an auxiliary mode through the air pressure gauge 141, the hand-held cap 147 is loosened after the air pressure is determined, the buffer spring 146 is made to automatically return at the moment, the air pressure adjusting plug 145 can be made to block the upper end of the air release pipe 142, and the adjustment convenience is guaranteed.
In this embodiment, referring to fig. 3, the impurity filtering gas preventing treating net structure 15 includes a treating box 151, an impurity filtering treating net 152, a box cover 153, a fixing bolt 154, a gas guide tube 155 and an impurity preventing adsorbing core 156, the impurity filtering treating net 152 is disposed at the middle part inside the treating box 151, the impurity filtering treating net 152 is longitudinally disposed at the middle part inside between the box covers 153, and is further fastened and connected by the fixing bolt 154; the gas guide pipe 155 is in threaded connection with the right end of the treatment box 151; the inside screw connection of air duct 155 prevent miscellaneous absorption core 156, admit air through intake pipe 8, accessible air guide hose 9 gets into inside the air inlet 11, and get into through atmospheric pressure baffle-box 12 and handle inside the case 151, the accessible is strained miscellaneous and is handled net 152 and filter impurity, the inside miscellaneous absorption core 156 of preventing of rethread air duct 155 carries out degree of depth adsorption impurity, with the inside gaseous cleanness of assurance entering gas cylinder 13, accessible laser instrument camera lens 6 detects at last, and show data through main control unit 4 via display panel 5, guarantee the simple operation nature.
In this embodiment, referring to fig. 4, the detachable exhaust and heat dissipation pipe structure 16 includes an exhaust pipe 161, a detachable frame 162, a protective screen 163, a detachable bolt 164, an exhaust box 165 and a heat dissipation fan 166, wherein the right end of the exhaust pipe 161 is screwed to the middle of the left side of the detachable frame 162; a protective net 163 is connected to the middle part of the inside of the disassembling frame 162 through a screw; the four corners inside the disassembling frame 162 are all connected with quick disassembling bolts 164 through threads; an exhaust box 165 is connected to the right end of the disassembling frame 162 through a screw; all screwed connection in two portion exits has heat dissipation fan 166 about exhaust case 165's right side, can dispel the heat through heat dissipation fan 166 and exhaust, through the inside gas of exhaust pipe 161 exhaust laser induction puncture spectrometer instrument body 1, filter in order to guarantee the clean nature of handling through protection network 163, avoid environmental pollution, improve the radiating effect.
In this embodiment, specifically, the gas release pipe 142 longitudinally penetrates through the left wall of the bottom of the laser-induced breakdown spectrometer 1, and the upper end of the gas release pipe is screwed to the lower outlet of the pneumatic buffer tank 12.
In this embodiment, specifically, the buffer spring 146 is located between the handheld cap 147 and the air release pipe 142, and the buffer spring 146 is a cylindrical stainless steel spring.
In this embodiment, specifically, the air pressure adjusting plug 145 is a rubber plug and is located at the upper end of the air releasing pipe 142.
In this embodiment, specifically, the case cover 153 is screwed to the upper and lower ends of the treatment case 151.
In this embodiment, specifically, the inlet of the left end of the processing box 151 is screwed to the outlet of the right end of the pneumatic buffer box 12.
In this embodiment, specifically, the right end of the air duct 155 is screwed to the left end of the air bottle 13.
In this embodiment, the impurity filtering treatment net 152 is a rectangular stainless steel filter net.
In this embodiment, specifically, the impurity-preventing adsorption core 156 is an activated carbon adsorption core having a cylindrical longitudinal section.
In this embodiment, specifically, the detaching frame 162 is disposed at an outlet on the upper right side of the laser-induced breakdown spectrometer 1 and is fastened and connected by a quick-detaching bolt 164.
In this embodiment, specifically, the protective screen 163 is a rectangular stainless steel screen.
In this embodiment, specifically, the laser lens 6 and the display panel 5 are both connected to the main controller 4 through wires.
In this embodiment, specifically, the heat dissipation fan 166 is two 12V small heat dissipation fans.
Principle of operation
In the invention, when the air pressure of the air cavity is adjusted, the adjusting bolt 144 can be loosened, the handheld cap 147 moves the adjusting rod 143 to move to the action position in the air release pipe 142, so that the exhaust air pressure can be adjusted, the exhaust air pressure is detected by the aid of the barometer 141, after the air pressure is determined, the handheld cap 147 is loosened, the buffer spring 146 is automatically returned, the air pressure adjusting plug 145 blocks the upper end of the air release pipe 142, so that the adjustment convenience is ensured, air is introduced through the air inlet pipe 8, the air can enter the air inlet 11 through the air guide hose 9, enters the processing box 151 through the air pressure buffer box 12, impurities can be filtered through the impurity filtering processing net 152, impurities are deeply adsorbed through the impurity adsorption preventing core 156 in the air guide pipe 155, so that the cleanness of the air entering the air bottle 13 is ensured, finally, the detection can be carried out through the laser lens 6, and data is displayed, guarantee the simple operation nature, can dispel the heat through heat dissipation fan 166 and exhaust, through the inside gas of the exhaust pipe 161 exhaust laser induction breakdown spectroscopy appearance body 1, filter in order to guarantee the clean nature of processing through protection network 163, avoid environmental pollution, improve the radiating effect.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (10)
1. The air cavity air pressure adjusting device of the multifunctional laser-induced breakdown spectrometer is characterized by comprising a laser-induced breakdown spectrometer body (1), a handheld handle (2), a base (3), a main controller (4), a display panel (5), a laser lens (6), an air outlet pipe (7), an air inlet pipe (8), an air guide hose (9), an air outlet (10), an air inlet (11), an air pressure buffer box (12), an air cylinder (13), an air pressure adjustable meter structure (14), an impurity-preventing filtering gas processing net structure (15) and a detachable exhaust heat dissipation pipe structure (16), wherein the base (3) is connected to the lower right side of the laser-induced breakdown spectrometer body (1) through the handheld handle (2); the left wall and the right wall of the right lower side inside the laser induced breakdown spectrometer body (1) are longitudinally connected with a main controller (4) and a display panel (5) through screws; the right lower wall of the laser induced breakdown spectrometer body (1) is provided with an observation port and is arranged opposite to and matched with the display panel (5); the upper left end of the laser induced breakdown spectrometer body (1) is connected with a laser lens (6) through a screw; the upper side and the lower side of the laser lens (6) are respectively provided with an air outlet pipe (7) and an air inlet pipe (8), and the air outlet pipe (7) and the air inlet pipe (8) are in screw connection with the laser induced breakdown spectrometer body (1); the air outlet pipe (7) is connected with the air outlet (10) through an air guide hose (9); the air inlet pipe (8) is connected with the air inlet (11) through an air guide hose (9); the exhaust port (10) and the air inlet (11) are arranged at the upper part and the lower part of the left side of the air pressure buffer box (12); the air pressure adjustable meter structure (14) is connected with the air pressure buffer box (12); the impurity-proof filtering gas processing net structure (15) is connected with the gas cylinder (13); the detachable exhaust heat dissipation pipe structure (16) is connected with the laser induced breakdown spectrometer body (1); the air pressure adjustable meter structure (14) comprises an air pressure meter (141), an air release pipe (142), an adjusting rod (143), an adjusting bolt (144), an air pressure adjusting plug (145), a buffer spring (146) and a handheld cap (147), wherein the air pressure meter (141) is in threaded connection with an outlet at the left lower side of the air release pipe (142); the air release pipe (142) is sleeved on the outer wall of the adjusting rod (143) and is fastened and connected through an adjusting bolt (144); the upper end of the adjusting rod (143) is in threaded connection with an air pressure adjusting plug (145); the buffer spring (146) is sleeved on the outer wall of the adjusting rod (143); the hand-held cap (147) is in threaded connection with the lower end of the adjusting rod (143).
2. The air cavity pressure adjusting device of the multifunctional laser-induced breakdown spectrometer as claimed in claim 1, wherein the impurity-proof filtering gas processing net structure (15) comprises a processing box (151), an impurity-proof processing net (152), a box cover (153), a fixing bolt (154), an air duct (155) and an impurity-proof adsorption core (156), the impurity-proof processing net (152) is arranged in the middle of the inside of the processing box (151), the impurity-proof processing net (152) is longitudinally arranged in the middle of the inside between the box covers (153) and is also fixedly connected and arranged through the fixing bolt (154); the air guide pipe (155) is in threaded connection with the right end of the treatment box (151); the inner part of the air duct (155) is connected with an impurity-proof adsorption core (156) through screws.
3. The air cavity air pressure adjusting device of the multifunctional laser induced breakdown spectrometer as claimed in claim 1, wherein the detachable exhaust heat dissipation pipe structure (16) comprises an exhaust pipe (161), a detachable frame (162), a protective screen (163), a quick-release bolt (164), an exhaust box (165) and a heat dissipation fan (166), and the right end of the exhaust pipe (161) is in threaded connection with the middle part of the left side of the detachable frame (162); a protective net (163) is connected to the middle part of the inside of the disassembling frame (162) through screws; the four corners inside the disassembling frame (162) are connected with quick disassembling bolts (164) in a threaded manner; the right end of the disassembly frame (162) is connected with an exhaust box (165) through a screw; and the upper and lower outlets on the right side of the exhaust box (165) are both connected with a heat radiation fan (166) by screws.
4. The air cavity air pressure adjusting device of the multifunctional laser induced breakdown spectrometer as claimed in claim 1, wherein the air release pipe (142) longitudinally penetrates through the left wall of the bottom of the laser induced breakdown spectrometer body (1) and is screwed at the upper end to the lower outlet of the air pressure buffer tank (12).
5. The air cavity air pressure regulating device of the multifunctional laser induced breakdown spectrometer as claimed in claim 1, wherein the buffer spring (146) is located between the handheld cap (147) and the air release pipe (142), and the buffer spring (146) is a cylindrical stainless steel spring.
6. The air cavity pressure regulating device of the multifunctional laser induced breakdown spectrometer as claimed in claim 1, wherein the air pressure regulating plug (145) is a rubber plug and is located at the upper end of the air release pipe (142).
7. The air cavity pressure regulating device of the multifunctional LIBS of claim 2, wherein the case cover (153) is screwed to the upper and lower ends of the processing case (151).
8. The air chamber pressure regulating device of the multifunctional laser induced breakdown spectrometer as claimed in claim 2, wherein the inlet of the left end of the processing box (151) is screwed to the outlet of the right end of the air pressure buffer box (12).
9. The air chamber pressure regulating device of the multifunctional laser induced breakdown spectrometer as claimed in claim 2, wherein the right end of the air duct (155) is screwed to the left end of the air bottle (13).
10. The air chamber pressure regulating device of the multifunctional laser induced breakdown spectrometer as claimed in claim 2, wherein the impurity filtering processing mesh (152) adopts a rectangular stainless steel filter screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010593988.2A CN111929291A (en) | 2020-06-28 | 2020-06-28 | Air cavity air pressure adjusting device of multifunctional laser-induced breakdown spectrometer |
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| CN202010593988.2A CN111929291A (en) | 2020-06-28 | 2020-06-28 | Air cavity air pressure adjusting device of multifunctional laser-induced breakdown spectrometer |
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Application publication date: 20201113 |