CN113759175B - Portable silicon material resistivity measuring device - Google Patents

Portable silicon material resistivity measuring device Download PDF

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Publication number
CN113759175B
CN113759175B CN202111316640.XA CN202111316640A CN113759175B CN 113759175 B CN113759175 B CN 113759175B CN 202111316640 A CN202111316640 A CN 202111316640A CN 113759175 B CN113759175 B CN 113759175B
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China
Prior art keywords
shell
silicon material
holding part
wall
measuring device
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CN202111316640.XA
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CN113759175A (en
Inventor
刘飞
高健
武凯
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Boxing Xingye Intelligent New Material Co ltd
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Boxing Xingye Intelligent New Material Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

The invention relates to the technical field of silicon material resistivity measurement, and discloses a portable silicon material resistivity measurement device for solving the problem that the conventional silicon material resistivity measurement device is inconvenient to grasp when in use. When the hand-held device is used, the shell is taken by grabbing the holding part for measurement, the inclination angle of the holding part can be adjusted through the driving part, the use is convenient, when the holding part is grabbed, the friction force between the palm and the holding part is increased by the anti-skidding sleeve, meanwhile, the ventilation between the palm and the anti-skidding sleeve is ensured by the transverse ventilation hole and the longitudinal ventilation hole, the perspiration is reduced, meanwhile, the friction force between the palm and the anti-skidding sleeve is increased by the movable part, when the hand is grabbed, the palm presses the movable part, the movable rod moves and pushes the side face of the holding part to be tightly attached, and the carrying and grabbing are convenient.

Description

Portable silicon material resistivity measuring device
Technical Field
The invention relates to the technical field of silicon material resistivity measurement, in particular to a portable silicon material resistivity measurement device.
Background
Silicon material is an important semiconductor material, silicon used in the electronic industry should have high purity and excellent electrical and mechanical properties, and silicon is the most productive and widely used semiconductor material, and its yield and usage mark the electronic industry level in a country. Silicon materials include P-type silicon materials, N-type silicon materials, and heavily doped silicon materials with low resistivity, and if these finely divided silicon materials are to be reused as a raw material for a polysilicon ingot or a single crystal pulling, the conductivity type and resistivity of these silicon materials must be strictly controlled.
The conventional silicon material resistivity measuring device has the problem of inconvenient gripping when in use, and when the measuring device is gripped for a long time for measurement, palms sweat and the measuring device slides off, so that the technical problem needs to be solved by a portable silicon material resistivity measuring device.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a portable silicon material resistivity measuring device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable silicon material resistivity measuring device comprises a shell, wherein a display screen, a loudspeaker, a heat dissipation component and a probe mechanism are arranged on the outer wall of the shell, a battery assembly and an integrated circuit board are arranged inside the shell, and the portable silicon material resistivity measuring device also comprises a holding mechanism used for holding;
the gripping mechanism comprises two fixed seats arranged on the outer wall of the shell, a gripping part is movably arranged on one side opposite to the two fixed seats, and an anti-skidding sleeve and a driving part for driving the gripping part to rotate are sleeved outside the gripping part;
the anti-skid device is characterized by further comprising a ventilation mechanism, wherein the ventilation mechanism comprises a transverse ventilation hole and a longitudinal ventilation hole which are arranged on the side wall of the anti-skid sleeve and are perpendicular to each other, the interior of the transverse ventilation hole is communicated with the interior of the longitudinal ventilation hole, the inner wall of the longitudinal ventilation hole is provided with a containing hole, and the opening position of the containing hole corresponds to the opening position of the transverse ventilation hole;
the movable mechanism is used for increasing the friction force when the anti-skid sleeve is gripped;
the movable mechanism comprises a movable rod penetrating through the transverse ventilation hole and the longitudinal ventilation hole, a movable part is arranged at one end, extending to the outer wall of the anti-skidding sleeve, of the movable rod, a fixed sucker is arranged at one end, extending to the inside of the accommodating hole, of the movable rod, a second side wing is arranged on the side, located in the longitudinal ventilation hole, of the movable rod, and the second side wing is connected with the inner wall of the longitudinal ventilation hole through an elastic piece.
Preferably, a guide part is arranged on the side surface of the movable rod, and the other end of the guide part slides with the inner wall of the accommodating hole.
Preferably, the side surface of the movable rod, which is positioned in the transverse ventilation hole, is provided with a first side wing;
the side of the movable part is provided with a through hole.
Preferably, the probe mechanism comprises a probe jack installed on the outer wall of the shell, and one side of the probe jack is connected with the probe body through a probe wire.
Preferably, one end of the holding part close to the shell is provided with a limiting mechanism for limiting and guiding the rotation of the holding part;
the limiting mechanism comprises a limiting part arranged on the side surface of the fixing seat and a limiting groove arranged on the side surface of the holding part, and the outer diameter of the limiting part is matched with the inner diameter of the limiting groove.
Preferably, a positioning mechanism is arranged at one end of the holding part close to the shell and used for positioning the rotation of the holding part.
Preferably, the positioning mechanism comprises an installation cavity arranged at one end, close to the shell, of the holding part, the inner walls of the two sides of the installation cavity are respectively provided with a vertically arranged containing cavity, and the interior of each containing cavity is communicated with the interior of the limiting groove;
a fixing piece is arranged in the mounting cavity, telescopic pieces are arranged on two sides of the fixing piece, and a pushing part is arranged at one end of a piston rod of each telescopic piece;
the both ends of accomodating intracavity portion are all movable and are provided with locating component, and the one end that two adjacent locating component are relative sets up for the slope, and promotes the inclined plane of part and locating component and corresponding.
Preferably, a groove is formed in the inner wall of one side of the containing cavity, a guide side wing is arranged on the side face of the positioning component, and one end, extending into the groove, of the guide side wing is connected with the inner wall of the groove through an elastic piece.
Preferably, the side surface of the shell is provided with a heat dissipation component for exhausting air and dissipating heat inside the shell;
the air filter also comprises a filtering mechanism used for filtering the air entering the shell.
Preferably, the filtering mechanism comprises an installation shell installed on the outer wall of the shell, the inner wall of the installation shell is sequentially provided with a first filtering component, a second filtering component and a filter element, and the filter element is located on one side close to the inside of the shell.
The invention has the beneficial effects that:
when the anti-slip device is used, the shell is taken by grabbing the holding part to measure the resistivity of the silicon material, the inclination angle of the holding part can be adjusted through the driving part, the anti-slip sleeve is convenient to use, when the holding part is grabbed, the friction force between the palm and the holding part is increased by the anti-slip sleeve, meanwhile, the ventilation between the palm and the anti-slip sleeve is ensured by the transverse ventilation hole and the longitudinal ventilation hole, the perspiration is reduced, the friction force between the palm and the anti-slip sleeve is increased by the movable part, the palm presses the movable part during grabbing, the movable rod moves and pushes the movable rod to be tightly attached to the side surface of the holding part, the tight connection between the anti-slip sleeve and the holding part during grabbing is ensured, the falling of the shell caused by the fact that the anti-slip sleeve falls off from the holding part is effectively avoided, when the palm looses the grabbing of the anti-slip sleeve, the elastic part pushes the second side wings to reset and is separated from the holding part, and the anti-slip device is convenient to carry and grab;
when the holding part rotates to a required inclination angle, the telescopic piece pushes the pushing part to move, the pushing part pushes the positioning parts to move in the containing cavity, so that two adjacent positioning parts are far away from each other, at the moment, the positioning parts are tightly attached to the side surfaces of the limiting parts, the friction force between the limiting parts and the holding part is increased after the holding part rotates, the holding part is effectively positioned, and the holding part is prevented from continuously rotating;
the heat dissipation part carries out convulsions to the inside of casing, and the flow of air in the casing is guaranteed to the inside that the outside air got into the casing through the installation casing, and first filtering component, second filtering component and filter core filter the air that gets into in the casing simultaneously, and is effectively dustproof when the radiating.
Drawings
Fig. 1 is a schematic structural diagram of a portable silicon material resistivity measurement device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a portion a in fig. 1 of a portable silicon material resistivity measurement apparatus according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a filtering mechanism of a portable silicon material resistivity measuring device according to an embodiment of the present invention;
fig. 4 is a cross-sectional side view of a portable silicon material resistivity measurement apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram at B in fig. 4 of a portable silicon material resistivity measurement apparatus according to an embodiment of the invention.
In the figure: 1-shell, 2-holding mechanism, 21-fixing seat, 22-holding component, 23-antiskid sleeve, 24-driving component, 3-filtering mechanism, 31-installation shell, 32-first filtering component, 33-second filtering component, 34-filter core, 4-probe mechanism, 41-probe jack, 42-probe lead, 43-probe body, 5-ventilation mechanism, 51-transverse ventilation hole, 52-longitudinal ventilation hole, 53-accommodation hole, 6-movable mechanism, 61-movable component, 62-movable rod, 63-perforation, 64-first flank, 65-second flank, 66-guide component, 67-fixed sucker, 7-limiting mechanism, 71-limiting groove, 72-limiting component, 8-positioning mechanism, 81-positioning component, 82-pushing component, 83-telescopic component, 84-guiding side wing, 85-containing cavity, 86-mounting cavity, 9-battery component, 10-integrated circuit board, 11-display screen, 12-loudspeaker and 13-heat-radiating component.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 5, a portable silicon material resistivity measuring device comprises a housing 1, wherein a display screen 11, a speaker 12, a heat dissipation component 13 and a probe mechanism 4 are arranged on the outer wall of the housing 1, a battery assembly 9 and an integrated circuit board 10 are arranged inside the housing 1, and a holding mechanism 2 is used for holding;
the holding mechanism 2 comprises two fixed seats 21 arranged on the outer wall of the shell 1, a holding part 22 is movably arranged on one side opposite to the two fixed seats 21, and an anti-skidding sleeve 23 and a driving part 24 for driving the holding part 22 to rotate are sleeved outside the holding part 22;
the anti-skid device further comprises a ventilation mechanism 5, wherein the ventilation mechanism 5 comprises a transverse ventilation hole 51 and a longitudinal ventilation hole 52 which are arranged on the side wall of the anti-skid sleeve 23 and are perpendicular to each other, the interior of the transverse ventilation hole 51 is communicated with the interior of the longitudinal ventilation hole 52, the inner wall of the longitudinal ventilation hole 52 is provided with a containing hole 53, and the opening position of the containing hole 53 corresponds to the opening position of the transverse ventilation hole 51;
the anti-skid device also comprises a movable mechanism 6 which is used for increasing the friction force when the anti-skid sleeve 23 is grasped;
the movable mechanism 6 comprises a movable rod 62 penetrating through the transverse vent hole 51 and the longitudinal vent hole 52, a movable part 61 is arranged at one end of the movable rod 62 extending to the outer wall of the antiskid sleeve 23, a fixed sucker 67 is arranged at one end of the movable rod 62 extending to the inside of the accommodating hole 53, a second side wing 65 is arranged on the side surface of the movable rod 62 located in the longitudinal vent hole 52, the second side wing 65 is connected with the inner wall of the longitudinal vent hole 52 through an elastic part, the shell 1 is taken by grabbing the holding part 22 during use to measure the resistivity of the silicon material, the inclination angle of the holding part 22 can be adjusted through the driving part 24, the use is convenient, when the holding part 22 is grabbed, the antiskid sleeve 23 increases the friction force between the palm and the holding part 22, meanwhile, the transverse vent hole 51 and the longitudinal vent hole 52 ensure the ventilation between the palm and the antiskid sleeve 23, sweat stain is reduced, and meanwhile, the movable part 61 increases the friction force between the palm and the antiskid sleeve 23, the palm presses movable part 61 during gripping, and movable rod 62 removes and promotes the side of fixed suction cup 67 and gripping part 22 and closely laminates, and the zonulae occludens between antiskid cover 23 and the gripping part 22 when guaranteeing the gripping effectively avoids antiskid cover 23 to drop from gripping part 22 and causes dropping of casing 1, and when the palm loosens the gripping to antiskid cover 23, the elastic component promotes second side wing 65 and resets, and fixed suction cup 67 and gripping part 22 separate, conveniently carry, the gripping.
In a preferred embodiment of the present invention, the anti-slip cover 23 is made of rubber, silicone, or the like, and in this embodiment, the anti-slip cover 23 is preferably made of rubber.
In a preferred embodiment of the present invention, a guide member 66 is provided on a side surface of the movable rod 62, the other end of the guide member 66 slides on an inner wall of the receiving hole 53, and the guide member 66 guides the movement of the movable rod 62 and the fixed suction cup 67.
As a preferred embodiment of the present invention, the movable rod 62 has a cylindrical or triangular prism structure, and in this embodiment, the movable rod 62 has a cylindrical structure.
As a preferred embodiment of the present invention, the side of the movable lever 62 located inside the lateral vent hole 51 is provided with a first side wing 64;
the side of the movable part 61 is provided with a through hole 63, and when the movable rod 62 moves, the first side wing 64 drives the air in the transverse vent hole 51, so that the air flowing efficiency in the transverse vent hole 51 is improved.
As a preferred embodiment of the present invention, the probe mechanism 4 includes a probe insertion hole 41 installed on the outer wall of the housing 1, and a probe body 43 is connected to one side of the probe insertion hole 41 through a probe wire 42.
As a preferred embodiment of the present invention, a limiting mechanism 7 is disposed at one end of the holding member 22 close to the housing 1, and is used for limiting and guiding the rotation of the holding member 22;
the limiting mechanism 7 comprises a limiting part 72 arranged on the side surface of the fixing seat 21 and a limiting groove 71 arranged on the side surface of the holding part 22, the outer diameter of the limiting part 72 is matched with the inner diameter of the limiting groove 71, and when the holding part 22 rotates, the limiting part 72 rotates in the limiting groove 71 to limit and guide the rotation of the holding part 22.
In a preferred embodiment of the present invention, the position-limiting member 72 and the position-limiting groove 71 are both annular structures.
As a preferred embodiment of the present invention, a positioning mechanism 8 is disposed at one end of the holding member 22 close to the housing 1 for positioning the rotation of the holding member 22.
As a preferred embodiment of the present invention, the positioning mechanism 8 includes an installation cavity 86 provided at one end of the holding member 22 close to the housing 1, the inner walls of both sides of the installation cavity 86 are provided with vertically arranged receiving cavities 85, and the interiors of the receiving cavities 85 are communicated with the interiors of the limiting grooves 71;
a fixing piece is arranged in the mounting cavity 86, telescopic pieces 83 are arranged on two sides of the fixing piece, and a pushing component 82 is arranged at one end of a piston rod of each telescopic piece 83;
the two ends inside the containing cavity 85 are movably provided with the positioning components 81, the opposite ends of the two adjacent positioning components 81 are obliquely arranged, and the pushing components 82 correspond to the inclined surfaces of the positioning components 81.
In a preferred embodiment of the present invention, the positioning member 81 is made of rubber, silicone, or the like, and in this embodiment, the positioning member 81 is preferably made of rubber.
In a preferred embodiment of the present invention, the pushing member 82 is made of plastic, metal, or the like, and in this embodiment, the pushing member 82 is preferably made of plastic.
As a preferred embodiment of the present invention, the extensible member 83 is an electric extensible rod, a hydraulic cylinder, or the like, and in this embodiment, the extensible member 83 is preferably an electric extensible rod.
As a preferred embodiment of the present invention, a groove is formed in an inner wall of one side of the receiving cavity 85, a guide wing 84 is disposed on a side surface of the positioning member 81, one end of the guide wing 84 extending into the groove is connected to the inner wall of the groove through an elastic member, when the holding member 22 rotates to a desired inclination angle, the telescopic member 83 pushes the pushing member 82 to move, the pushing member 82 pushes the positioning member 81 to move in the receiving cavity 85, so that two adjacent positioning members 81 are away from each other, at this time, the positioning member 81 and a side surface of the limiting member 72 are tightly attached, so that after the rotation of the holding member 22 is completed, a friction force between the limiting member 72 and the holding member 22 is increased, the holding member 22 is effectively positioned, and the holding member 22 is prevented from continuously rotating.
As a preferred embodiment of the present invention, the elastic member is a spring, a rubber column, or the like, and in this embodiment, the elastic member is preferably a spring.
As a preferred embodiment of the present invention, a heat dissipation member 13 is disposed on a side surface of the housing 1, and is used for exhausting air and dissipating heat from the inside of the housing 1;
a filter mechanism 3 is also included for filtering air entering the housing 1.
As a preferred embodiment of the present invention, the filtering mechanism 3 includes a mounting housing 31 mounted on an outer wall of the housing 1, an inner wall of the mounting housing 31 is sequentially provided with a first filtering component 32, a second filtering component 33 and a filter element 34, the filter element 34 is located at a side close to an inside of the housing 1, the heat dissipation component 13 draws air from the inside of the housing 1, outside air enters the inside of the housing 1 through the mounting housing 31 to ensure the flow of air in the housing 1, and the first filtering component 32, the second filtering component 33 and the filter element 34 filter the air entering the housing 1, so as to effectively prevent dust while dissipating heat.
As a preferred embodiment of the present invention, the filter element 34 is a nonwoven fabric, a filter sponge, or the like, and in this embodiment, the filter element 34 is a nonwoven fabric.
When the shell 1 is gripped by the gripping part 22 to measure the resistivity of the silicon material, the inclination angle of the gripping part 22 can be adjusted by the driving part 24, the usage is convenient, when the gripping part 22 is gripped, the friction force between a palm and the gripping part 22 is increased by the antiskid sleeve 23, meanwhile, the ventilation between the palm and the antiskid sleeve 23 is ensured by the transverse ventilation hole 51 and the longitudinal ventilation hole 52, the perspiration is reduced, meanwhile, the friction force between the palm and the antiskid sleeve 23 is increased by the movable part 61, the palm presses the movable part 61 during gripping, the movable rod 62 moves and pushes the fixed suction cup 67 to be tightly attached to the side surface of the gripping part 22, the tight connection between the antiskid sleeve 23 and the gripping part 22 during gripping is ensured, the falling of the shell 1 caused by the falling of the antiskid sleeve 23 from the gripping part 22 is effectively avoided, when the palm looses the gripping of the antiskid sleeve 23, the elastic part pushes the second side wing 65 to reset, the fixed sucker 67 is separated from the holding part 22, so that the carrying and the grasping are convenient; the guide member 66 guides the movement of the movable rod 62 and the fixed suction cup 67; when the movable rod 62 moves, the first side wing 64 drives the air in the transverse ventilation hole 51, so that the air flowing efficiency in the transverse ventilation hole 51 is improved; when the holding part 22 rotates, the limiting part 72 rotates in the limiting groove 71 to limit and guide the rotation of the holding part 22; when the holding part 22 rotates to a required inclination angle, the telescopic piece 83 pushes the pushing part 82 to move, the pushing part 82 pushes the positioning part 81 to move in the accommodating cavity 85, so that two adjacent positioning parts 81 are far away from each other, at the moment, the positioning parts 81 are tightly attached to the side surfaces of the limiting part 72, the friction force between the limiting part 72 and the holding part 22 is increased after the holding part 22 rotates, the holding part 22 is effectively positioned, and the holding part 22 is prevented from continuously rotating; the inside of heat dissipation part 13 to casing 1 carries out convulsions, and the flow of casing 1 interior air is guaranteed in the inside that outside air got into casing 1 through installation casing 31, and first filter component 32, second filter component 33 and filter core 34 filter the air that gets into in the casing 1 simultaneously, and is effectively dustproof when the radiating.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A portable silicon material resistivity measuring device comprises a shell (1), wherein a display screen (11), a loudspeaker (12), a heat dissipation part (13) and a probe mechanism (4) are arranged on the outer wall of the shell (1), a battery component (9) and an integrated circuit board (10) are arranged inside the shell (1), and the portable silicon material resistivity measuring device is characterized by further comprising a holding mechanism (2) for holding;
the holding mechanism (2) comprises two fixed seats (21) arranged on the outer wall of the shell (1), a holding part (22) is movably arranged on one side opposite to the two fixed seats (21), an anti-skidding sleeve (23) and a driving part (24) for driving the holding part (22) to rotate are sleeved outside the holding part (22);
the anti-skidding sleeve is characterized by further comprising a ventilation mechanism (5), wherein the ventilation mechanism (5) comprises a transverse ventilation hole (51) and a longitudinal ventilation hole (52) which are arranged on the side wall of the anti-skidding sleeve 23 and are perpendicular to each other, the interior of the transverse ventilation hole (51) is communicated with the interior of the longitudinal ventilation hole (52), a containing hole (53) is formed in the inner wall of the longitudinal ventilation hole (52), and the opening position of the containing hole (53) corresponds to the opening position of the transverse ventilation hole (51);
the anti-skid device also comprises a movable mechanism (6) for increasing the friction force when the anti-skid sleeve (23) is grasped;
the movable mechanism (6) comprises a movable rod (62) penetrating through a transverse vent hole (51) and a longitudinal vent hole (52), a movable part (61) is arranged at one end of the movable rod (62) extending to the outer wall of the anti-skid sleeve (23), a fixed sucker (67) is arranged at one end of the movable rod (62) extending to the inside of the accommodating hole (53), a second side wing (65) is arranged on the side surface of the movable rod (62) located in the longitudinal vent hole (52), the second side wing (65) is connected with the inner wall of the longitudinal vent hole (52) through an elastic piece, the movable part (61) increases the friction force between a palm and the anti-skid sleeve (23), the movable part (61) is pressed by the palm during grasping, the movable rod (62) moves and pushes the fixed sucker (67) to be tightly attached to the side surface of the grasping part (22), and the tight connection between the anti-skid sleeve (23) and the grasping part (22) is ensured during grasping, the anti-slip sleeve (23) is effectively prevented from falling off from the holding part (22) to cause the falling of the shell (1), when the palm loosens the gripping of the anti-slip sleeve (23), the elastic piece pushes the second side wing (65) to reset, and the fixed sucker (67) is separated from the holding part (22).
2. The resistivity measuring device of a portable silicon material as claimed in claim 1, wherein the side of the movable rod (62) is provided with a guide member (66), and the other end of the guide member (66) slides with the inner wall of the receiving hole (53).
3. A portable silicon material resistivity measuring device according to claim 2, characterized in that the side of the movable rod (62) located in the lateral vent hole (51) is provided with a first side wing (64);
the side surface of the movable part (61) is provided with a through hole (63).
4. A portable silicon material resistivity measuring device according to claim 3, characterized in that the probe mechanism (4) comprises a probe jack (41) installed on the outer wall of the shell (1), and one side of the probe jack (41) is connected with a probe body (43) through a probe lead (42).
5. The portable silicon material resistivity measuring device of claim 4, wherein one end of the holding part (22) close to the shell (1) is provided with a limiting mechanism (7) for limiting and guiding the rotation of the holding part (22);
the limiting mechanism (7) comprises a limiting part (72) arranged on the side surface of the fixing seat (21) and a limiting groove (71) arranged on the side surface of the holding part (22), and the outer diameter of the limiting part (72) is matched with the inner diameter of the limiting groove (71).
6. A portable silicon material resistivity measuring device according to claim 5, characterized in that one end of the holding part (22) close to the shell (1) is provided with a positioning mechanism (8) for positioning the rotation of the holding part (22).
7. The portable silicon material resistivity measuring device of claim 6, wherein the positioning mechanism (8) comprises an installation cavity (86) formed in one end, close to the shell (1), of the holding part (22), the inner walls of two sides of the installation cavity (86) are respectively provided with a vertically-arranged accommodating cavity (85), and the inside of the accommodating cavity (85) is communicated with the inside of the limiting groove (71);
a fixing piece is arranged in the mounting cavity (86), telescopic pieces (83) are arranged on two sides of the fixing piece, and a pushing component (82) is arranged at one end of a piston rod of each telescopic piece (83);
positioning parts (81) are movably arranged at two ends of the interior of the containing cavity (85), one end, opposite to the two adjacent positioning parts (81), of each positioning part is obliquely arranged, and the pushing part (82) corresponds to the inclined surface of each positioning part (81).
8. The portable silicon material resistivity measuring device of claim 7, wherein a groove is formed in an inner wall of one side of the accommodating cavity (85), a guide wing (84) is arranged on a side surface of the positioning component (81), and one end of the guide wing (84) extending into the groove is connected with the inner wall of the groove through an elastic piece.
9. The portable silicon material resistivity measuring device of claim 8, wherein the side of the casing (1) is provided with a heat radiating part (13) for exhausting and radiating air inside the casing (1);
the air purifier also comprises a filtering mechanism (3) for filtering the air entering the shell (1).
10. The portable silicon material resistivity measuring device of claim 9, wherein the filtering mechanism (3) comprises a mounting shell (31) mounted on the outer wall of the shell (1), the inner wall of the mounting shell (31) is provided with a first filtering part (32), a second filtering part (33) and a filter element (34) in sequence, and the filter element (34) is positioned on one side close to the inside of the shell (1).
CN202111316640.XA 2021-11-09 2021-11-09 Portable silicon material resistivity measuring device Active CN113759175B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111316640.XA CN113759175B (en) 2021-11-09 2021-11-09 Portable silicon material resistivity measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111316640.XA CN113759175B (en) 2021-11-09 2021-11-09 Portable silicon material resistivity measuring device

Publications (2)

Publication Number Publication Date
CN113759175A CN113759175A (en) 2021-12-07
CN113759175B true CN113759175B (en) 2022-04-08

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