CN112770568A

CN112770568A - Photoelectric technology training device

Info

Publication number: CN112770568A
Application number: CN202011594817.8A
Authority: CN
Inventors: 齐伟; 陈小东; 陈宏刚
Original assignee: Zhongshan Biaozhi Electronic Technology Co ltd
Current assignee: Zhongshan Biaozhi Electronic Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-05-07
Anticipated expiration: 2040-12-29
Also published as: CN112770568B

Abstract

The invention provides a practical training device for a photoelectric technology, which comprises a handle, a top cover, a cover body, a first data interface, a power supply interface, a copper column, a sealing rubber sleeve, a first practical training module, a supporting rubber mat, a second practical training module, a third practical training module, a fourth practical training module, a chute, a fixing screw, a connecting plate, a bearing, a screw rod, a shaft roller, a clamping block, an outer shaft sleeve, a circular groove, a fixing groove, an electric wire, a copper plate, an insulating block, a connecting block, a steel ball, a spring, a conductive head, a practical training bin, a serial connector and a connecting component, wherein the top cover is arranged on the lower end face of the handle, the practical training bin is arranged on the lower end face of the top cover, the first data interface is arranged on the right side of the rear end face of the cover body, the: the problem that the device is heavy in size and inconvenient to carry is solved, the problem that the training effect of the original device is poor is solved, and the photoelectric technology training effect of the invention is improved.

Description

Photoelectric technology training device

Technical Field

The invention relates to a practical training device for a photoelectric technology, and belongs to the field of practical training of the photoelectric technology.

Background

Electricity generated by the action of light is called photoelectricity. Based on optoelectronics, the technical subjects of solving various engineering application problems by comprehensively utilizing optics, precision machinery, electronics and computer technologies, and the information carrier is being expanded from an electromagnetic wave band to an optical wave band, so that the optoelectronics science and optoelectronics-mechanical-electrical integration technology are focused on the optoelectronics information industry of optical information acquisition, transmission, processing, recording, storage, display, sensing and the like.

The practical training device of the photoelectric technology in the prior art is widely applied, but the existing device is heavy in size, inconvenient to carry, poor in practical training effect, and only capable of realizing practical training of a single project, cannot be moved, and cannot be used in series for the practical training devices of multiple projects, so that the practical training device of the photoelectric technology is urgently needed to solve the problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a practical training device for the photoelectric technology, which solves the problems in the background technology by adding a handle, a top cover, a practical training bin, a serial joint and a connecting part.

The technical scheme of the invention is realized as follows: the utility model provides a real device of instructing of photoelectricity technique, includes handle, top cap, real storehouse of instructing, series connection and adapting unit, the top cap is installed to the terminal surface under the handle, real storehouse of instructing has been seted up to the terminal surface under the top cap, real storehouse outside of instructing installs the series connection, real storehouse outside left end of instructing installs adapting unit, the top cap includes lid, data interface one, insulating rubber frame, power source, copper post and data interface two, real storehouse of instructing includes sealed gum cover, real module one, support cushion, real module two, real module three of instructing, real module four, inner wall, wire casing, fixed slot, electric wire, copper plate, conductive copper bar, power source, insulating block, fixed cover, connecting block, solid fixed ring, steel ball, packing ring, insulation board, spring and conductive head, adapting unit includes spout, clamping screw, connecting plate, bearing, fixed lug, The device comprises a screw rod, a shaft roller, a clamping block, an outer shaft sleeve, a steel ball, an inner shaft sleeve and a circular groove.

As a preferred embodiment, a first data interface is installed on the right side of the rear end face of the cover body, an insulating rubber frame is installed on the right end face of the first data interface, a power supply interface is installed on the inner side of the insulating rubber frame, a copper column is installed in the middle of the power supply interface, and a second data interface is installed on the right end face of the insulating rubber frame.

As a preferred embodiment, the cover body cross section is a rectangular structure, a sealing coating is installed on the edge of the lower end of the cover body, the specifications of a first data interface and a second data interface are the same, the first data interface and the second data interface are connected with a copper plate, sealant is coated on the inner side of an insulating rubber frame, a concave structure is arranged inside the insulating rubber frame, a copper column is connected with the copper plate, the copper column is of a cylindrical structure, in actual use, a voltage value, a current value and a resistance value of a circuit are respectively measured through the first data interface and the second data interface, and the concave structure inside the insulating rubber frame effectively prevents external dust from entering and influences various numerical values of the circuit.

As a preferred embodiment, a sealing rubber sleeve is arranged on the outer side of the practical training bin, a practical training module I is arranged on the inner side of the sealing rubber sleeve, a practical training module II is arranged on the right end face of the practical training module I, a practical training module III is arranged on the right end face of the practical training module II, a practical training module IV is arranged on the right end face of the practical training module III, an inner wall is arranged on the inner side of the practical training bin, a wire groove is formed in the middle position inside the inner wall, a fixed shell is arranged inside the wire groove, an electric wire is arranged inside the fixed shell, a copper plate is arranged at the front end of the electric wire, a conductive copper bar is arranged on the right end face of the copper plate, a power interface is arranged in the middle position of the conductive copper bar, an insulating block is arranged at the left end of, the steel ball is installed to solid fixed ring intermediate position, the packing ring is installed in the steel ball intermediate position outside, the insulation board is installed to the terminal surface under the steel ball, the spring is installed to the terminal surface under the insulation board, electrically conductive head is installed to the spring right-hand member face.

As a preferred embodiment, the sealing rubber sleeve wraps the outer side surface of the practical training bin, the practical training module i, the practical training module ii, the practical training module iii and the practical training module iv are respectively a light-emitting character nameplate module, an LED light source module, an LED lamp module and a photoresistor module, the lower end of the supporting foot pad is provided with a rubber block, the inner wall is made of rubber, the cross section of the wire slot is of a rectangular structure, the fixing shell is made of polyethylene, the fixing shell is of an irregular concave structure, the electric wires are provided with five groups, the electric wires are connected with the copper plate by welding, the copper plate is connected with the conductive copper strip by welding, the power interface is connected with the conductive copper strip by welding, in actual use, different practical training teaching is carried out by the practical training module i, the practical training module ii, the practical training module iii and the practical training module iv, so as to avoid the situation that various practical training, when needs will instruct the inside electric wire reconnection in storehouse in fact, the set casing is convenient fixed with electric wire winding displacement mode, prevents that the chaotic condition that leads to the equipment short circuit of circuit from appearing.

As a preferred implementation mode, the power interface is internally provided with an annular groove, the width of the annular groove is consistent with that of a steel ball, the insulating block and the fixed cover are fixed by pasting, the longitudinal section of the fixed cover is of an irregular trapezoidal structure, a round hole is formed in the middle of the connecting block, threads are arranged on the inner side of the fixed ring, two groups of steel balls are arranged, the specifications of the two groups of steel balls are the same, a round groove is formed in the gasket, the diameter of the cross section of the round groove is smaller than that of the cross section of the steel ball, the gasket and the steel balls are fixed by pasting through a sealant, two groups of insulating plates are arranged, the specifications of the two groups of insulating plates are the same, the insulating plates are made of rubber materials, the diameter of the cross section of the spring is consistent with that of the cross, when the training modules of multiple groups are spliced in series, the conductive heads are aligned to the power supply interface, the conductive heads are inserted and then extrude the steel ball to move downwards, the steel ball extrudes the spring while moving downwards, the conductive heads move inside the power supply interface, when the steel ball reaches the annular groove, the steel ball is sprung through the release deformation of the spring and enters the inside clamping of the annular groove, so that the conductive heads are fixed, and the electric connection between the training bins of the two groups is realized.

As a preferred embodiment, the connecting part right-hand member has been seted up the spout, spout internally mounted has set screw, the connecting plate is installed to the set screw right-hand member, the bearing is installed to the inside right-hand member of connecting plate, fixed lug is installed to the set screw rear end face, the lead screw is installed to fixed lug rear end face, the beam barrel is installed in the lead screw outside, the fixture block is installed to beam barrel rear end face, the outer axle sleeve is installed to the beam barrel inboard, the steel ball is installed to outer axle sleeve inboard, the inner shaft sleeve is installed to the steel ball inboard, the circular slot has been seted up to inner shaft sleeve.

As a preferred embodiment, the chute is internally provided with a rubber coating, the length of the fixing screw is greater than the depth of the chute, the connecting plate is of a movable structure, the connecting plate is made of a metal material, the connecting plate and the bearing are fixed through bolts, the connecting plate and the fixing lug are fixed through extrusion, the length of the screw rod is less than that of the shaft roller, the cross section of the shaft roller is annular, the outer shaft sleeve and the inner shaft sleeve are made of the same material, the steel balls are provided with a plurality of groups, the specifications of the steel balls are the same, the cross section of the circular groove is consistent with that of the screw rod, the screw rod is arranged in the circular groove, in practical use, the practical training bin is folded and tiled through a connecting component, different shape changes are carried out according to different teaching contents and teaching modes, the top cover and the practical training, the practical training bin is folded, the screw rod and the shaft roller are driven to rotate by rotating the fixing screw rod, and the connecting plate is moved, so that the practical training bin is tiled and unfolded.

After the technical scheme is adopted, the invention has the beneficial effects that: the practical training device for the photoelectric technology comprises a handle, a top cover, a practical training bin, a serial connector and a connecting component, the design facilitates improvement of the device, the problem that the device is heavy in size and inconvenient to carry is solved, the problem that an original device is poor in practical training effect is solved, and the practical training effect of the photoelectric technology is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a practical training device for optoelectronic technology according to the present invention;

FIG. 2 is a schematic structural diagram of a practical training device according to the optoelectronic technology in a folded state;

FIG. 3 is a rear sectional view of a top cover of the optoelectronic practical training device of the present invention;

FIG. 4 is a schematic structural diagram of a photoelectric technology training device in a tiled state according to the present invention;

FIG. 5 is a right sectional view of an inner wall of the optoelectronic device in accordance with the present invention;

FIG. 6 is a rear sectional view of a training bin of the optoelectronic device according to the present invention;

FIG. 7 is a front sectional view of a power port of the practical training device for optoelectronic technology in accordance with the present invention;

FIG. 8 is a top cross-sectional view of a connecting member of the optoelectronic practical training device of the present invention;

FIG. 9 is a rear sectional view of a connecting member of the practical training apparatus for optoelectronic technology in accordance with the present invention;

in the figure: 1-handle, 2-top cover, 3-training bin, 4-series connector, 5-connecting part, 21-cover, 22-data interface I, 23-insulating rubber frame, 24-power interface, 25-copper column, 26-data interface II, 31-sealing rubber sleeve, 32-training module I, 33-supporting rubber pad, 34-training module II, 35-training module III, 36-training module IV, 37-inner wall, 38-wire groove, 39-fixing groove, 301-wire, 302-copper plate, 303-conductive copper bar, 304-power port, 3041-insulating block, 3042-fixing cover, 3043-connecting block, 3044-fixing ring, 3045-steel ball, 3046-gasket, 3047-insulating plate, 3047-connecting block, 3048-spring, 3049-conductive head, 51-slide groove, 52-fixed screw, 53-connecting plate, 54-bearing, 55-fixed projection, 56-screw, 57-arbor roller, 58-fixture block, 561-external axle sleeve, 562-steel ball, 563-internal axle sleeve and 564-circular groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, a practical training device for photoelectric technology includes a handle 1, a top cover 2, a practical training bin 3, a serial connection head 4 and a connection component 5, the top cover 2 is mounted on a lower end face of the handle 1, the practical training bin 3 is mounted on a lower end face of the top cover 2, the serial connection head 4 is mounted on an outer side of the practical training bin 3, the connection component 5 is mounted on a left end of an outer side of the practical training bin 3, the top cover 2 includes a cover body 21, a first data interface 22, an insulating rubber frame 23, a power interface 24, a copper column 25 and a second data interface 26, the practical training bin 3 includes a sealing rubber sleeve 31, a first practical training module 32, a supporting rubber pad 33, a second practical training module 34, a third practical training module 35, a fourth practical training module 36, an inner wall 37, a wire groove 38, a fixing shell 39, an electric wire 301, a copper plate 302, a conductive copper strip 303, a power port 304, an insulating block 3041, The connecting member 5 includes a sliding slot 51, a fixing screw 52, a connecting plate 53, a bearing 54, a fixing protrusion 55, a lead screw 56, a roller 57, a latch 58, an outer sleeve 561, a steel ball 562, an inner sleeve 563, and a circular groove 564.

Referring to fig. 1-3, a first data interface 22 is installed on the right side of the rear end face of the cover 21, a first insulating rubber frame 23 is installed on the right end face of the first data interface 22, a power supply interface 24 is installed on the inner side of the first insulating rubber frame 23, a copper column 25 is installed in the middle of the power supply interface 24, and a second data interface 26 is installed on the right end face of the second insulating rubber frame 23.

Referring to fig. 1-3, a cross section of the cover 21 is a rectangular structure, a sealing coating is installed on the edge of the lower end of the cover 21, the first data interface 22 and the second data interface 26 have the same specification, the first data interface 22 and the second data interface 26 are connected with the copper plate 302, a sealant is coated on the inner side of the insulating rubber frame 23, the inner portion of the insulating rubber frame 23 is a concave structure, the copper pillar 25 is connected with the copper plate 302, the copper pillar 25 is a cylindrical structure, in actual use, the voltage value, the current value and the resistance value of the circuit are respectively measured through the first data interface 22 and the second data interface 26, and the concave structure in the insulating rubber frame 23 effectively prevents external dust from entering and affecting various values.

Referring to fig. 1-7, a sealing rubber sleeve 31 is installed on the outer side of a training bin 3, a training module i 32 is installed on the inner side of the sealing rubber sleeve 31, a training module ii 34 is installed on the right end face of the training module i 32, a training module iii 35 is installed on the right end face of the training module ii 34, a training module iv 36 is installed on the right end face of the training module iii 35, an inner wall 37 is installed on the inner side of the training bin 3, a wire groove 38 is formed in the middle position inside the inner wall 37, a fixing shell 39 is installed inside the wire groove 38, an electric wire 301 is installed inside the fixing shell 39, a copper plate 302 is installed at the front end of the electric wire 301, a conductive copper bar 303 is installed on the right end face of the copper plate 302, a power port 304 is installed in the middle position of the conductive copper bar 303, an insulating block 3041 is installed on the left end of the power, a steel ball 3045 is mounted in the middle of the fixing ring 3044, a washer 3046 is mounted outside the middle of the steel ball 3045, an insulating plate 3047 is mounted on the lower end surface of the steel ball 3045, a spring 3048 is mounted on the lower end surface of the insulating plate 3047, and a conductive head 3049 is mounted on the right end surface of the spring 3048.

Referring to fig. 1-7, the outer surface of the training bin 3 is wrapped by the sealant sleeve 31, the training module i 34, the training module ii 35, the training module iii 36 and the training module iv 37 are respectively a light-emitting character nameplate module, an LED light source module, an LED lamp module and a photoresistor module, a rubber block is mounted at the lower end of the supporting foot pad, the inner wall 37 is made of rubber, the cross section of the wire groove 38 is rectangular, the fixing shell 39 is made of polyethylene, the fixing shell 39 is irregular concave, five groups of wires 301 are provided, the wires 301 are connected with the copper plate 302 by welding, the copper plate 302 is connected with the conductive copper bar 303 by welding, the power interface 24 is connected with the conductive copper bar 303 by welding, in practical use, different specific training teaching is performed by the training module i 34, the training module ii 35, the training module iii 36 and the training module iv 37, so as to avoid the situation that various devices are used in multiple training processes, when needs will instruct the inside electric wire 301 reconnection of storehouse 3 in fact, fixed shell 39 conveniently is fixed with electric wire 301 winding displacement mode, prevents the condition that the circuit confusion leads to the equipment short circuit.

Referring to fig. 1-7, an annular groove is formed inside a power supply port 304, the width of the annular groove is consistent with that of a steel ball 3045, an insulating block 3041 and a fixing cover 3042 are fixed by adhesion, the longitudinal section of the fixing cover 3042 is of an irregular trapezoidal structure, a round hole is formed in the middle of a connecting block 3043, threads are formed on the inner side of a fixing ring 3044, two groups of steel balls 3045 are provided, the specifications of the two groups of steel balls 3045 are the same, a round groove 564 is formed inside a gasket 3046, the diameter of the cross section of the round groove 564 is smaller than that of the cross section of the steel ball 3045, the gasket 3046 and the steel ball 3045 are fixed by adhesion of a sealant, two groups of insulating plates 3047 are provided, the specifications of the two groups of insulating plates 3047 are the same, the insulating plates 3047 are made of rubber materials, the diameter of the cross section of a spring 3048 is consistent with, the conductive head 3049 is aligned with the power interface 24, the conductive head 3049 is inserted and then extrudes the inner side of the steel ball 3045 to move, the steel ball 3045 extrudes the spring 3048 while moving downwards, the conductive head 3049 moves inside the power interface 24, when the steel ball 3045 reaches the annular groove, the steel ball 3045 is deformed and bounced up through the release of the spring 3048 and enters the annular groove to be clamped, so that the conductive head 3049 is fixed, and the two groups of training bins 3 are electrically connected.

Referring to fig. 1-9, a sliding groove 51 is formed at the right end of the connecting member 5, a fixing screw 52 is installed inside the sliding groove 51, a connecting plate 53 is installed on the right end face of the fixing screw 52, a bearing 54 is installed at the right end inside the connecting plate 53, a fixing protrusion 55 is installed on the rear end face of the fixing screw 52, a screw 56 is installed on the rear end face of the fixing protrusion 55, a spindle roller 57 is installed on the outer side of the screw 56, a fixture block 58 is installed on the rear end face of the spindle roller 57, an outer spindle sleeve 561 is installed on the inner side of the spindle roller 57, a steel ball 562 is installed on the inner side of the outer.

Referring to fig. 1-9, a rubber coating is disposed inside the sliding groove 51, the length of the fixing screw 52 is greater than the depth of the sliding groove 51, the connecting plate 53 is of a movable structure, the connecting plate 53 is made of a metal material, the connecting plate 53 is fixed to the bearing 54 through a bolt, the connecting plate 53 is fixed to the fixing bump 55 through extrusion, the length of the screw 56 is smaller than that of the shaft roller 57, the cross section of the shaft roller 57 is annular, the outer shaft sleeve 561 and the inner shaft sleeve 563 are made of the same material, the steel balls 562 are provided in a plurality of groups, the steel balls 562 are of the same specification, the cross section of the circular groove 564 is identical to that of the screw 56, the screw 56 is mounted inside the circular groove 564, in practical use, the practical training chamber 3 is folded and tiled through the connecting part 5, different shape changes are performed according to different teaching contents and teaching modes, the practical training bin 3 is folded, the screw rod 56 and the shaft roller 57 are driven to rotate by rotating the fixing screw rod 52, and the connecting plate 53 is moved, so that the practical training bin 3 is laid flatly and unfolded.

As an embodiment of the present invention: in practical use, because the specifications of the first data interface 22 and the second data interface 26 are the same, the first data interface 22 and the second data interface 26 are connected with the copper plate 302, the inner side of the insulating glue frame 23 is coated with sealing glue, the inner part of the insulating glue frame 23 is of a concave structure, the copper column 25 is connected with the copper plate 302, the copper column 25 is of a cylindrical structure, the voltage value, the current value and the resistance value of the circuit are respectively measured through the first data interface 22 and the second data interface 26, and the concave structure in the insulating glue frame 23 effectively prevents external dust from entering and affecting various numerical values of the circuit.

As an embodiment of the present invention: in practical use, because practical training module one 34, practical training module two 35, practical training module three 36 and practical training module four 37 are luminous character nameplate module respectively, LED light source module, LED lamps and lanterns module, through practical training module one 34, practical training module two 35, practical training module three 36 and practical training module four 37 carry out different pertinence practical training teaching, the condition that the practical training in-process used multiple practical training equipment has been avoided, because wire casing 38 cross section is the rectangle structure, set casing 39 is made for the polyethylene material, set casing 39 is irregular indent structure, electric wire 301 has five groups, electric wire 301 accessible extrusion mode is installed inside set casing 39, when needing to practice training 3 inside electric wires 301 reconnection in storehouse, set casing 39 conveniently is fixed with electric wire 301 winding displacement mode, prevent the circuit confusion from leading to the condition of equipment short circuit.

As an embodiment of the present invention: in practical use, when multiple sets of training modules are connected in series, the conductive head 3049 is aligned with the power interface 24, because the cross section of the conductive head 3049 is in an irregular semicircular structure, the right end surface of the conductive head 3049 is coated with a metallic tin coating, the conductivity is strong, after the conductive head 3049 is inserted into the power supply port 304, the steel ball 3045 is pressed to move inwards, because the diameter of the cross section of the spring 3048 is consistent with that of the steel ball 3045, the steel ball 3045 pushes the spring 3048 while moving downwards, and the conductive head 3049 moves inside the power supply port 304, because the power supply opening 304 is internally provided with the annular groove, the width of the annular groove is consistent with that of the steel ball 3045, when the steel ball 3045 reaches the annular groove, the steel ball 3045 springs up through the release deformation of the spring 3048, enters the annular groove and is clamped, thereby fixing the conductive head 3049, connecting the conductive head with the copper plate inside the power port 304, and realizing the electrical connection between the two training bins 3.

As an embodiment of the present invention: in practical use, the practical training bin 3 is folded and tiled through the connecting component 5, the top cover 2 and the practical training bin 3 are moved by lifting the handle 1, the top cover 2 drives the fixture block to move 58, the fixture block 58 drives the screw rod 56 and the fixed screw rod 52 to move, the screw rod 56 and the fixed screw rod 52 drive the outer shaft sleeve 561 and the inner shaft sleeve 563 to rotate, as the steel balls 562 have a plurality of groups with the same specification, and the steel balls rotate inside the outer shaft sleeve 561 and the inner shaft sleeve 563, the connecting plate 53 is driven to move, the connecting plate 53 moves inside the sliding groove 51 due to tensile force, the practical training bin 3 forms a folded state, as the length of the fixed screw rod 52 is greater than the depth of the sliding groove 51, the screw rod 56 and the shaft roller 57 are driven to rotate by rotating the fixed screw rod 52, the connecting plate 53 is moved, the practical training bin 3 forms a tiled and unfolded state, and the, the photoelectric training device is fully suitable for various photoelectric training environments.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a real device of instructing of photoelectric technology, includes handle (1), top cap (2), real storehouse (3), series connection head (4) and adapting unit (5), its characterized in that: handle (1) lower terminal surface installs top cap (2), real standard storehouse (3) have been seted up to top cap (2) lower terminal surface, the series connection head (4) are installed in real standard storehouse (3) outside, real standard storehouse (3) outside left end is installed adapting unit (5), top cap (2) are including lid (21), data interface (22), insulating rubber frame (23), power source (24), copper post (25) and data interface two (26), real standard storehouse (3) are including sealed gum cover (31), real standard module one (32), support cushion (33), real standard module two (34), real standard module three (35), real standard module four (36), inner wall (37), wire casing (38), set casing (39), electric wire (301), copper (302), electrically conductive copper bar (303), power mouth (304), insulating block (3041), fixed cover (3042), The connecting component (5) comprises a sliding groove (51), a fixing screw (52), a connecting plate (53), a bearing (54), a fixing lug (55), a screw rod (56), a shaft roller (57), a clamping block (58), an outer shaft sleeve (561), a steel ball (562), an inner shaft sleeve (563) and a circular groove (564).

2. The practical training device for the photoelectric technology according to claim 1, characterized in that: data interface (22) are installed on lid (21) rear end face right side, the insulating rubber frame (23) is installed to data interface (22) right-hand member face, power source (24) are installed to insulating rubber frame (23) inboard, copper post (25) are installed to power source (24) intermediate position, data interface two (26) are installed to insulating rubber frame (23) right-hand member face.

3. The practical training device for the photoelectric technology according to claim 2, characterized in that: the utility model discloses a copper cover, including lid (21), sealed coating, data interface (22) and data interface (26), copper column (25) are connected with copper (302), and copper column (25) are the cylindrical structure, and in the in-service use, survey circuit voltage value, current value and resistance value respectively through data interface (22) and data interface (26), and the inside spill structure of insulated rubber frame (23) effectively prevents that outside dust from getting into to influence each item numerical value of circuit through data interface (22) and data interface (26).

4. The practical training device for the photoelectric technology according to claim 1, characterized in that: the outer side of the practical training bin (3) is provided with a sealing rubber sleeve (31), the inner side of the sealing rubber sleeve (31) is provided with a practical training module I (32), the right end face of the practical training module I (32) is provided with a practical training module II (34), the right end face of the practical training module II (34) is provided with a practical training module III (35), the right end face of the practical training module III (35) is provided with a practical training module IV (36), the inner side of the practical training bin (3) is provided with an inner wall (37), the middle position inside the inner wall (37) is provided with a wire groove (38), the wire groove (38) is internally provided with a fixed shell (39), the fixed shell (39) is internally provided with an electric wire (301), the front end of the electric wire (301) is provided with a copper plate (302), the right end face of the copper plate (302) is provided, the power interface comprises a power interface body and is characterized in that an insulating block (3041) is installed at the left end of the power interface body, a fixed cover (3042) is installed on the right end face of the insulating block (3041), a connecting block (3043) is installed on the right end face of the fixed cover (3042), a fixed ring (3044) is installed on the right end face of the connecting block (3043), a steel ball (3045) is installed at the middle position of the fixed ring (3044), a gasket (3046) is installed on the outer side of the middle position of the steel ball (3045), an insulating plate (3047) is installed on the lower end face of the steel ball (3045), a spring (3048) is installed on the lower end face of the.

5. The practical training device for the photoelectric technology according to claim 4, characterized in that: real storehouse (3) outside surface of instructing of sealed gum cover (31) parcel, real standard module one (34), real standard module two (35), real standard module three (36) and real standard module four (37) are luminous word data plate module, LED light source module, LED lamps and lanterns module and photo resistance module respectively, support the callus on the sole lower extreme and install the block rubber, inner wall (37) are made for the rubber material, wire casing (38) cross section is the rectangle structure, set casing (39) are made for the polyethylene material, set casing (39) are irregular indent structure, electric wire (301) have five groups, electric wire (301) and copper (302) are through welded connection, copper (302) and conductive copper strip (303) welded connection, power source (24) and conductive copper strip (303) welded connection, in the in-service use, through real standard module one (34), The practical training module II (35), the practical training module III (36) and the practical training module IV (37) are used for different specific practical training teaching, the situation that multiple practical training devices are used in the practical training process is avoided, when the electric wires (301) in the practical training bin (3) need to be reconnected, the fixing shell (39) is convenient to fix the wire arrangement mode of the electric wires (301), and the situation that the short circuit of the devices is caused due to the fact that the lines are disordered is prevented.

6. The practical training device for the photoelectric technology according to claim 4, characterized in that: the power interface (24) is internally provided with an annular groove, the width of the annular groove is consistent with that of a steel ball (3045), the insulating block (3041) and the fixing cover (3042) are fixed by sticking, the longitudinal section of the fixing cover (3042) is of an irregular trapezoid structure, a round hole is arranged in the middle of the connecting block (3043), threads are arranged on the inner side of the fixing ring (3044), two groups of steel balls (3045) are provided, the specifications of the two groups of steel balls (3045) are the same, a round groove (564) is arranged in the gasket (3046), the diameter of the cross section of the round groove (564) is smaller than that of the steel ball (3045), the gasket (3046) and the steel ball (3045) are fixed by a sealant, two groups of insulating plates (3047) are provided, the specifications of the two groups of insulating plates (3047) are the same, the insulating plates (3047) are made of rubber materials, the diameter of the cross section of the spring, the cross section of the conductive head (3049) is of an irregular semicircular structure, a metallic tin coating is coated on the right end surface of the conductive head (3049), in practical use, when multiple groups of training modules are spliced in series, the conductive head (3049) is aligned to the power interface (24), the conductive head (3049) is inserted and then extrudes the steel ball (3045) to move downwards, the steel ball (3045) extrudes the spring (3048) while moving downwards, the conductive head (3049) moves inside the power interface (24), and when the steel ball (3045) reaches the annular groove, the steel ball (3045) is deformed and ejected upwards through the release of the spring (3048) and enters the annular groove to be clamped, so that the conductive head (3049) is fixed, and the electrical connection between the two groups of training bins (3) is realized.

7. The practical training device for the photoelectric technology according to claim 1, characterized in that: spout (51) have been seted up to adapting unit (5) right-hand member, spout (51) internally mounted has set screw (52), connecting plate (53) are installed to set screw (52) right-hand member face, bearing (54) are installed to the inside right-hand member of connecting plate (53), fixed lug (55) are installed to set screw (52) rear end face, lead screw (56) are installed to fixed lug (55) rear end face, beam barrel (57) are installed in lead screw (56) outside, fixture block (58) are installed to beam barrel (57) rear end face, outer axle sleeve (561) are installed to beam barrel (57) inboard, steel ball (562) are installed to outer axle sleeve (561) inboard, interior axle sleeve (563) are installed to steel ball (562) inboard, circular slot (564) have been seted up to interior axle sleeve (563) inboard.

8. The practical training device for the photoelectric technology according to claim 7, characterized in that: the utility model discloses a steel ball training device, including spout (51), connecting plate (53), lead screw (56), connecting plate (561), outer axle sleeve (561), inner axle sleeve (563), steel ball (562) and steel ball (562), the spout (51) is inside to be equipped with rubber coating, set screw (52) length is greater than spout (51) degree of depth, connecting plate (53) are the active structure, connecting plate (53) are made for metal material, connecting plate (53) pass through the bolt fastening with bearing (54), connecting plate (53) are fixed through the extrusion with fixed lug (55), lead screw (56) length is less than beam barrel (57) length, beam barrel (57) cross section is the annular, outer axle sleeve (561) is the same with inner axle sleeve (563) preparation material, steel ball (562) have a plurality of groups, and a plurality of groups steel ball (562) specification is the same, round groove (564) cross section is unanimous with lead screw (56), round groove (564), carry out different shape changes according to different teaching content and teaching mode, through mentioning handle (1) with top cap (2) and real storehouse (3) removal of instructing, connecting plate (53) produce deformation because of the tensile force, make real storehouse (3) of instructing form fold condition, through rotating clamping screw (52), drive lead screw (56) and beam barrel (57) and rotate, remove connecting plate (53), make real storehouse (3) of instructing form the tiling expansion state.