CN113607049B - Heat dissipation type explosion-proof structure of laser scanner - Google Patents
Heat dissipation type explosion-proof structure of laser scanner Download PDFInfo
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- CN113607049B CN113607049B CN202110778599.1A CN202110778599A CN113607049B CN 113607049 B CN113607049 B CN 113607049B CN 202110778599 A CN202110778599 A CN 202110778599A CN 113607049 B CN113607049 B CN 113607049B
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 26
- 230000005855 radiation Effects 0.000 claims description 11
- 230000001012 protector Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims 3
- 239000007789 gas Substances 0.000 description 18
- 238000004880 explosion Methods 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000005341 toughened glass Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
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- 238000004381 surface treatment Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a radiating type explosion-proof structure of a laser scanner, which comprises a shell, wherein a radiating module is arranged in the shell, the radiating module comprises a heat absorption sheet, one end of the heat absorption sheet is provided with a heat conduction pipe, the outside of the shell is provided with a radiating structure, the heat conduction pipe is connected with the radiating structure so as to enable heat in the shell to be conducted to the outside of the shell, one end of the shell is provided with a top cover, the heat conduction pipe is connected with the inner side of the top cover, and the radiating structure is arranged on the outer side of the top cover; the problem of traditional three-dimensional laser scanner is owing to the unsmooth explosion-proof performance that causes of heat dissipation is low is solved.
Description
Technical Field
The invention relates to the field of laser scanners, in particular to a heat dissipation type explosion-proof structure of a laser scanner.
Background
The three-dimensional laser scanner rapidly acquires three-dimensional coordinate data of the surface of the measured object in a large-area and high-resolution manner by a high-speed laser scanning measurement method, breaks through the traditional single-point measurement mode, and has the unique advantages of high efficiency and high precision. The three-dimensional laser scanning technology can provide three-dimensional point cloud data of the surface of a scanned object, so that the three-dimensional laser scanning technology can be used for obtaining a high-precision and high-resolution digital model and is widely applied to the fields of mining, petroleum, chemical industry, military industry, navigation, traffic and the like.
In general laser scanner equipment, rotary mechanism leakproofness is poor, simultaneously, because the laser generator during operation produces a large amount of heats, instrument itself can be higher in temperature, if the heat dissipation is untimely, can cause the temperature accumulation, when meetting special environment, when there is dangerous inflammable and explosive gas in the colliery environment in the pit, once the scanner has sealed not hard up problem, light then burn the internal component, heavy then ignite gas, consequently traditional equipment that only has single flameproof function hardly reaches the safe operation requirement of explosion-proof, dust proof etc. the prior art see CN 112859041A an explosion-proof structure and contain this explosion-proof structure's laser scanner and structure of recording in using thereof, this structure is explosion-proof mainly through sealed flame proof's mode, but neglect the heat dissipation problem of laser instrument itself.
Disclosure of Invention
The invention provides a heat dissipation type explosion-proof structure of a laser scanner, which solves the problem of low explosion-proof performance of the traditional three-dimensional laser scanner caused by unsmooth heat dissipation.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a laser scanner heat dissipation formula explosion-proof structure, includes the shell, is equipped with the heat dissipation module in the shell, and the heat dissipation module includes the heat absorption piece, and heat absorption piece one end is equipped with the heat pipe, and the shell outside is equipped with heat radiation structure, and the heat pipe is connected with heat radiation structure so that the heat conduction in the shell outside to the shell.
In the preferred scheme, shell one end is equipped with the top cap, and the heat pipe is connected with the top cap inboard, and heat radiation structure establishes in the top cap outside.
In the preferred scheme, still include rotating base, rotating base one end is equipped with rotatable revolving stage, revolving stage and shell end connection, and the rotating base other end is equipped with the flame proof chamber, still is equipped with the flame proof and wears the wall terminal, and the flame proof is worn the wall terminal one end and is arranged in the flame proof intracavity, and the flame proof is worn the wall terminal other end and is passed the rotating base outer wall and get into rotating base inside.
In the preferred scheme, the side wall of the explosion-proof cavity is provided with a cable introduction device, the cable introduction device is communicated with the inside of the explosion-proof cavity so that a cable penetrates into the explosion-proof cavity, and explosion-proof mud is filled between the cable introduction device and the cable.
In the preferred scheme, the outer fringe of revolving stage is equipped with first arch and second arch, is equipped with the double-layered groove between first arch and the second arch, and the rotating base outer fringe is equipped with overhanging portion, and overhanging portion inserts in the double-layered groove.
In the preferred scheme, the inner side of the overhanging part is provided with a sinking groove, a rotary sealing piece is arranged in the sinking groove, and two sides of the rotary sealing piece respectively lean against the bottom of the sinking groove and the first bulge.
In the preferred scheme, the shell side wall is provided with an explosion-proof window, and a soft gasket is arranged between the explosion-proof window and the shell side wall.
In the preferred scheme, deoxidizing gas is filled in the shell, and the internal air pressure of the shell is higher than the external air pressure of the shell.
In the preferred scheme, the inside explosion-proof protector that still is equipped with of shell, explosion-proof protector include the connector, and the connector both ends are equipped with connecting terminal, and the connector middle part is equipped with slidable spacer, and two connecting terminal pass through the spacer and connect, still are equipped with the cavity shell, are equipped with sealed chamber in the cavity shell, and cavity shell one end cover has slidable piston, piston and spacer end connection, and the outside atmospheric pressure of cavity shell changes and makes the spacer slide in order to make two connecting terminal circuit breaker or switch on.
In the preferred scheme, an insulating block is further arranged in the connector, conductive lugs are arranged at two ends of the insulating block and connected with the connecting terminals, contact terminals are arranged at two sides of the spacer, the contact terminals are in sliding sleeve joint with the insulating block, one end of each contact terminal abuts against the spacer, a spring is arranged at the other end of each contact terminal, the end of each spring abuts against the conductive lug, the spacer is provided with a through hole, and the spacer slides to enable the two contact terminals to be in contact and conducted;
The lateral wall of the shell is provided with an observation window, the end part of the spacer is also provided with a plurality of scale grooves, and the scale grooves are filled with color-changing deoxidizing agents.
The beneficial effects of the invention are as follows: the surface heat radiation structure is more excellent than the point heat radiation structure, so that the internal temperature accumulation of the scanner is prevented, and the safety coefficient is improved; the explosion-proof cavity is used for placing a main circuit part and is further explosion-proof by sealing and isolating external gas; the labyrinth structure design is adopted, the sealing mechanism is ingenious, and the risk of sealing failure is reduced; the outer shell is made of stainless steel, so that the explosion force in the scanner can be borne, and the internal explosion flame and high-temperature gas are prevented from igniting an external explosive gas mixture through an explosion-proof gap; the internal cavity of the shell is sealed with oxygen-removed gas with stable properties, and pressurized to improve the heat conduction efficiency, and simultaneously has the effect of preventing external oxygen from entering; an explosion-proof protector is arranged and connected in series to a circuit of the scanner, and is opened when the sealing of the inner cavity fails, so that an explosion-proof effect is achieved.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a view showing a structure of a labyrinth seal according to the present invention.
Fig. 4 is a heat dissipation temperature cloud of the present invention.
Fig. 5 is a schematic view of the location of the explosion proof protector of the present invention.
Fig. 6 is a schematic view of the structure of the explosion-proof protector of the present invention.
In the figure: an explosion-proof cavity 1; a flameproof through-wall terminal 2; a rotating base 3; an overhanging portion 301; sink 302; a turntable 4; a first protrusion 401; a second protrusion 402; a heat radiation module 5; a heat absorbing sheet 501; a top cover 6; a heat dissipation structure 601; a cable lead-in device 7; a rotary seal 8; a roller bearing 9; a housing 10; a viewing window 1001; a pressurization valve 1002; a soft pad 11; an explosion-proof window 12; an explosion-proof protector 13; a cavity housing 1301; a piston 1302; a sealed chamber 1303; spacer 1304; a through hole 1305; a scale groove 1306; a color-changing deoxidizing agent 1307; an insulating block 1308; a connection terminal 1309; a conductive ear 1310; a spring 1311; a contact terminal 1312; connector 1313.
Detailed Description
As shown in fig. 1-6, a heat dissipation type explosion-proof structure of a laser scanner includes a hollow housing 10, a heat dissipation module 5 is disposed in the housing 10, the heat dissipation module 5 includes a heat absorption sheet 501, a heat conduction pipe is disposed at one end of the heat absorption sheet 501, a heat dissipation structure 601 is disposed outside the housing 10, and the heat conduction pipe is connected with the heat dissipation structure 601 so that heat in the housing 10 is conducted to the outside of the housing 10, thereby effectively avoiding heat accumulation.
The internal heat dissipation module 5 is arranged on the circuit board, silicone grease with high heat conductivity is arranged on components with large heat productivity, the heat dissipation module is designed to be unique, the heat dissipation module is sealed, the vapor chamber is arranged in a vacuum cavity, the point heat source is changed into a surface heat source, and the working medium sealed in the cavity is subjected to physical phase change repeatedly to transfer heat; the heat pipes are designed to be in contact with the top cover 6 through a heat conducting medium, the top cover 6 is made of copper, copper has good heat conductivity and higher heat conductivity, and the outer surface electroplating treatment prevents easy rusting; the highest temperature of the surface of the shell is not higher than 110 ℃ through software analysis, and heat can be effectively dissipated in the sealed cavity.
In a preferred embodiment, a top cover 6 is disposed at one end of the housing 10, the heat conducting tube is connected to the inner side of the top cover 6, and the heat dissipation structure 601 is disposed on the outer side of the top cover 6.
In the preferred scheme, still include rotating base 3, rotating base 3 one end is equipped with rotatable revolving stage 4, the two passes through roller bearing 9 and connects and relatively rotates, revolving stage 4 and shell 10 end connection, but make shell 10 360 horizontal rotations, shell 10 designs has the seal groove, be equipped with the oil-resistant rubber circle, screw bolt screws up fixedly through the screw bolt and realizes IP54 protection level, rotating base 3 other end is equipped with explosion proof chamber 1, still be equipped with explosion proof through-wall terminal 2, explosion proof through-wall terminal 2 one end is arranged in explosion proof chamber 1, the explosion proof through-wall terminal 2 other end passes rotating base 3 outer wall entering rotating base 3 inside, explosion proof through-wall terminal 2 inside communication meson and insulating barrier both ends are watered with epoxy.
In the preferred scheme, the side wall of the explosion-proof cavity 1 is provided with a cable introduction device 7, the cable introduction device 7 is communicated with the inside of the explosion-proof cavity 1 so that a cable penetrates into the explosion-proof cavity 1, the cable introduction device 7 is preferably clamped and fixed with a rubber ring through a connector, explosion-proof mud is filled between the cable introduction device 7 and the cable, and mechanical strength, tensile testing and electrical performance are met.
The explosion-proof cavity 1 at the bottom is connected with the cable lead-in device 7 to form a threaded explosion-proof joint surface, and the rubber ring and the plugging piece are arranged in the explosion-proof cavity to achieve an explosion-proof effect, and the explosion-proof cavity is long in service life and good in sealing performance.
In the preferred scheme, a curved sealing structure design is adopted, a first protrusion 401 and a second protrusion 402 are arranged on the outer edge of the rotary table 4, a clamping groove is formed between the first protrusion 401 and the second protrusion 402, an overhanging portion 301 is arranged on the outer edge of the rotary base 3, and the overhanging portion 301 is inserted into the clamping groove.
In a preferred embodiment, the inner side of the overhanging portion 301 is provided with a sink 302, the sink 302 is provided with a rotary sealing member 8, the material is preferably nitrile rubber material, two sides of the rotary sealing member 8 respectively lean against the bottom of the sink 302 and the first protrusion 401, the rotary sealing member 8 is designed to be of a proper material and shape, and is fixed by the internal tension of the rubber body, the installation is convenient, the sealing is performed by a flexible lip, and a relatively small contact pressure is applied to the friction surface, but the sealing function is enough to keep the sealing function, the contact pressure is reduced along with the increase of the speed, and the friction loss and the heating are kept at the minimum, so that the good service life is achieved.
In the preferred scheme, the side wall of the shell 10 is provided with an explosion-proof window 12, the explosion-proof window 12 is made of integrally formed toughened glass, a soft liner 11 is fixedly arranged between the toughened glass and a metal piece, the surface of the joint surface of the shell 10 and the explosion-proof window 12 is pretreated, the adhesive binding force between two material objects is increased, and special adhesive is uniformly coated on the inner wall of the window of the shell 10 to seal and fix the toughened glass, so that the light transmittance and explosion-proof surface treatment are ensured.
In the preferred scheme, deoxidizing gas such as carbon dioxide, nitrogen and the like is filled in the shell 10, a pressurizing valve 1002 is arranged on the side wall of the shell 10 and used for unidirectional filling of gas into the shell 10, the shell 10 is in a sealed state, even if part of the sealing fails, inflammable gas such as external gas enters, the inflammable gas cannot be ignited due to low oxygen concentration, the internal gas pressure of the shell 10 is higher than the external gas pressure of the shell 10, the intermolecular distance is reduced, the heat transfer effect is improved, uniform heat dissipation to the outside through the shell is facilitated, meanwhile, when part of the sealing fails, the internal gas has an outward leakage trend, and positive pressure sealing is formed to prevent the external inflammable gas from entering.
In a preferred scheme, an explosion-proof protector 13 is further arranged inside the casing 10, the explosion-proof protector 13 comprises a connector 1313, connecting terminals 1309 are arranged at two ends of the connector 1313 and are used for being connected into a scanner circuit in a series mode, a slidable spacer 1304 is arranged in the middle of the connector 1313, two connecting terminals 1309 are connected through the spacer 1304 and are not in direct contact, a cavity shell 1301 is further arranged, a sealing cavity 1303 is arranged in the cavity shell 1301, a slidable piston 1302 is sleeved at one end of the cavity shell 1301, the piston 1302 is connected with the end of the spacer 1304, gas equal to the pressure inside the casing 10 is filled in the sealing cavity 1303, and once the pressure outside the cavity shell 1301 changes, if the pressure is reduced, the sealing failure of the casing 10 causes deoxidized gas leakage, and at the moment, the piston 1302 slides outwards to drive the spacer 1304 to open or conduct the two connecting terminals 1309, for example, a conducting part can be arranged in the spacer 1304, and the two connecting terminals 1309 are contacted with the conducting part to conduct.
In a preferred embodiment, the connector 1313 is further provided with an insulating block 1308, conductive lugs 1310 are provided at two ends of the insulating block 1308, the conductive lugs 1310 are connected with connecting terminals 1309, contact terminals 1312 are provided at two sides of the spacer 1304, the contact terminals 1312 are slidably sleeved with the insulating block 1308, one end of the contact terminals 1312 abuts against the spacer 1304, a spring 1311 is provided at the other end of the contact terminals 1312, the end of the spring 1311 abuts against the conductive lugs 1310, the spacer 1304 is provided with a through hole 1305, the spacer 1304 slides, the through hole 1305 moves to a position concentric with the contact terminals 1312, and the two contact terminals 1312 are contacted and conducted;
The side wall of the shell 10 is provided with an observation window 1001, the end part of the spacer 1304 is also provided with a plurality of scale grooves 1306, the lower bottom surface of the insulating block 1308 is taken as a reference surface, the air pressure change in the shell 10 can be observed, if the spacer 1304 moves downwards to indicate that the shell 10 fails in sealing, the scale grooves 1306 are filled with a color-changing deoxidizer 1307, such as iron powder, when an operator observes that the color-changing deoxidizer 1307 turns yellow through the observation window 1001, the scanner indicates that the sealing fails, so that the scanner cannot be electrified to avoid causing safety risks, if the color-changing deoxidizer 1307 turns yellow but the spacer 1304 does not move downwards, the scanner cannot be started, and the related structure of the cavity shell 1301 is damaged, and the scanner needs to be replaced in time.
In order to improve the explosion-proof performance of the connector 1313 itself, the electrical connection device such as the contact terminal 1312 is selectively sealed with epoxy resin at a proper position.
The explosion-proof cavity 1 and the rotating base 3 are connected with the electric signal communication between the two cavities through the installation explosion-proof through-wall terminal 2, and the two ends of the communication meson and the insulating partition plate inside the through-wall terminal are sealed by epoxy resin, so that the reliability of connection is greatly improved, and the dangerous source is effectively blocked.
The whole shape is similar to a barrel shape, so that stress concentration and overlapping can be reduced. The internal guide round angle is as large as possible, so that sharp angles are avoided. The shell 10 is made of stainless steel, has good strength and excellent rust and corrosion resistance, the designed wall thickness of the shell can bear 1Mpa pressure, and the non-explosion-proof surface shell of the inner cavity of the shell is sprayed with arc-proof paint; the flange plates are designed at the joints of the shells, the explosion-proof surfaces are reasonable in design, the safety clearance distance is short, and the roughness is high; the part is provided with a sealing groove which is provided with a rubber ring with oil resistance; the IP54 protection grade is realized through screw bolt tightening and fixing; the shell can be manufactured by casting molding process, is suitable for mass production and manufacturing, and has productivity.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (3)
1. A heat dissipation type explosion-proof structure of a laser scanner is characterized in that: the heat radiation module comprises a shell (10), wherein a heat radiation module (5) is arranged in the shell (10), the heat radiation module (5) comprises a heat absorption sheet (501), one end of the heat absorption sheet (501) is provided with a heat conduction pipe, a heat radiation structure (601) is arranged outside the shell (10), and the heat conduction pipe is connected with the heat radiation structure (601) so that heat in the shell (10) is conducted to the outside of the shell (10);
one end of the shell (10) is provided with a top cover (6), the heat conducting pipe is connected with the inner side of the top cover (6), and the heat dissipation structure (601) is arranged on the outer side of the top cover (6);
Deoxidizing gas is filled in the shell (10), and the internal air pressure of the shell (10) is higher than the external air pressure of the shell (10);
The explosion-proof type electric power generator further comprises a rotating base (3), one end of the rotating base (3) is provided with a rotatable turntable (4), the turntable (4) is connected with the end of the shell (10), the other end of the rotating base (3) is provided with an explosion-proof cavity (1), the explosion-proof type electric power generator is further provided with an explosion-proof wall penetrating terminal (2), one end of the explosion-proof wall penetrating terminal (2) is arranged in the explosion-proof cavity (1), and the other end of the explosion-proof wall penetrating terminal (2) penetrates through the outer wall of the rotating base (3) to enter the rotating base (3);
The outer edge of the rotary table (4) is provided with a first bulge (401) and a second bulge (402), a clamping groove is formed between the first bulge (401) and the second bulge (402), the outer edge of the rotary base (3) is provided with an overhanging part (301), and the overhanging part (301) is inserted into the clamping groove;
a sinking groove (302) is formed in the inner side of the overhanging part (301), a rotary sealing piece (8) is arranged in the sinking groove (302), and two sides of the rotary sealing piece (8) respectively lean against the bottom of the sinking groove (302) and the first bulge (401);
An explosion-proof protector (13) is further arranged inside the shell (10), the explosion-proof protector (13) comprises a connector (1313), connecting terminals (1309) are arranged at two ends of the connector (1313), a slidable spacer (1304) is arranged in the middle of the connector (1313), the two connecting terminals (1309) are connected through the spacer (1304), a cavity shell (1301) is further arranged, a sealing cavity (1303) is arranged in the cavity shell (1301), a slidable piston (1302) is sleeved at one end of the cavity shell (1301), the piston (1302) is connected with the end part of the spacer (1304), and the spacer (1304) is made to slide by changing the external air pressure of the cavity shell (1301) so that the two connecting terminals (1309) are disconnected or conducted;
The connector (1313) is also provided with an insulating block (1308), conductive lugs (1310) are arranged at two ends of the insulating block (1308), the conductive lugs (1310) are connected with connecting terminals (1309), contact terminals (1312) are arranged at two sides of a spacer (1304), the contact terminals (1312) are in sliding sleeve joint with the insulating block (1308), one end of each contact terminal (1312) abuts against each spacer (1304), a spring (1311) is arranged at the other end of each contact terminal (1312), the end of each spring (1311) abuts against each conductive lug (1310), each spacer (1304) is provided with a through hole (1305), and the spacer (1304) slides to enable the two contact terminals (1312) to be contacted and conducted;
The side wall of the shell (10) is provided with an observation window (1001), the end part of the spacer (1304) is also provided with a plurality of scale grooves (1306), and the scale grooves (1306) are filled with a color-changing deoxidizer (1307).
2. The laser scanner heat dissipation type explosion-proof structure as set forth in claim 1, wherein: the side wall of the explosion-proof cavity (1) is provided with a cable introduction device (7), the cable introduction device (7) is communicated with the inside of the explosion-proof cavity (1) so that a cable penetrates into the explosion-proof cavity (1), and explosion-proof mud is filled between the cable introduction device (7) and the cable.
3. The laser scanner heat dissipation type explosion-proof structure as set forth in claim 1, wherein: an explosion-proof window (12) is arranged on the side wall of the shell (10), and a soft gasket (11) is arranged between the explosion-proof window (12) and the side wall of the shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110778599.1A CN113607049B (en) | 2021-07-09 | 2021-07-09 | Heat dissipation type explosion-proof structure of laser scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110778599.1A CN113607049B (en) | 2021-07-09 | 2021-07-09 | Heat dissipation type explosion-proof structure of laser scanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113607049A CN113607049A (en) | 2021-11-05 |
| CN113607049B true CN113607049B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110778599.1A Active CN113607049B (en) | 2021-07-09 | 2021-07-09 | Heat dissipation type explosion-proof structure of laser scanner |
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| CN (1) | CN113607049B (en) |
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