CN216144883U - Device capable of automatically rotating and switching multiple signals - Google Patents
Device capable of automatically rotating and switching multiple signals Download PDFInfo
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- CN216144883U CN216144883U CN202120993797.5U CN202120993797U CN216144883U CN 216144883 U CN216144883 U CN 216144883U CN 202120993797 U CN202120993797 U CN 202120993797U CN 216144883 U CN216144883 U CN 216144883U
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Abstract
A device capable of automatically rotating and switching multi-path signals is characterized in that a plurality of grooves of a fixed seat are respectively clamped with a contact piece, and the fixed seat is fixed on a moving shaft main body; the slip ring moving shaft is arranged in the fixed shaft; a circuit board is respectively fixed in a plurality of circuit board areas on the circular cylinder of the fixed shaft, and a plurality of sliding wires on a plurality of annular sliding wire groups are respectively and correspondingly inserted into a plurality of annular grooves formed on the sliding ring moving shaft in the cavity of the circular cylinder; the stepping motor is fixed on the disc surface of the connecting flange I, the stepping motor is fixed with the gear pair, and the gear pair is meshed with a gear fixed on the side shaft of the large-diameter convex ring of the moving shaft main body; the driving box is fixed with one side of the connecting flange I at the end III of the moving shaft main body connecting flange; the driving box is fixed outside the stepping motor, the gear pair and the gear; the slip ring box shell is fixed outside the shaft, the junction box is fixed on one side of the shaft, a plurality of micro-rectangular electric connectors are fixed on the other side face of the junction box, and the control box 1 is fixed on the junction box. The problem of current multistation relay auto-change over device bulky is solved.
Description
Technical Field
The utility model relates to a device capable of automatically rotating and switching multi-path signals, which is used for multi-station control and switching of measurement signals.
Background
The spin type multi-channel signal switching device is mainly used in the environments of measurement and control equipment and the like, and is used for switching and selecting multi-channel signals of a plurality of similar products to be tested to complete the physical connection between the test equipment and the signals of the tested products so as to complete the time-sharing test of various performance indexes of the plurality of tested products.
In a traditional implementation mode, a relay circuit board card and the like are mainly used, and switching of different stations is mainly realized by means of a relay switch matrix. In order to realize switching of different stations, a circuit board needs to be designed, various components need to be welded, a plurality of relay board cards are integrated, interference of the components during working is considered, the components need to be isolated from each other, and the size is large; in the traditional implementation mode, a switching instruction needs to be sent to continuously switch the relay, and the switching can be realized only by programming; meanwhile, the relay needs to work continuously in the test process, so that larger energy consumption and electromagnetic interference can be generated; for high-frequency signals, ordinary relay switching often affects the signals to different degrees and sometimes causes signal distortion. In a traditional implementation mode, equal-length wiring cannot be realized for each station, and the consistency of test results of each station cannot be ensured; once the relay adhesion, damage or procedure confusion appear when the relay switches multichannel signal, probably switch two way signals on same way simultaneously, lead to being surveyed product, test circuit damage, cause great loss.
Disclosure of Invention
The utility model provides a device capable of automatically rotating and switching multi-path signals, aiming at solving the defects of the multi-station relay switching device in the prior art in the aspects of production, operation, fault elimination and the like, and aiming at reducing the cost and improving the working reliability.
The utility model can realize station switching only by rotating a certain angle; because the station switching is realized by mechanical rotation control, no programming instruction is required to be sent, and no extra power supply is required; when the micro-rectangular electric connector is used, after all parts are assembled according to the specification, the wire at the other end of the micro-rectangular electric connector is only required to be welded on the circuit board of the corresponding station, so that debugging can be realized, the operation principle is simple, and the welding is convenient; because all the paths are directly connected by shielding wires, a high-frequency signal communication line can be selected when high-frequency signals are transmitted, and the anti-interference capability of the equipment is effectively improved.
The technical scheme adopted by the utility model is as follows: an apparatus for switching multiple signals in an autonomous rotation, comprising: the device comprises a control box, a junction box, a fixed shaft, a driving box, a sliding ring moving shaft, a micro-rectangular electric connector, a circuit board, a sliding ring box shell, a gear pair, a stepping motor, a circular connector and a control circuit, wherein the control circuit is arranged in the control box;
the slip ring moving shaft comprises a moving shaft main body, a contact piece, a fixed seat and a gear;
the contact piece is clamped in each of the grooves on the fixed seat, the fixed seat is fixed in the strip-shaped fixed seat hole formed in the movable shaft main body, two groups of groove groups formed in the fixed seat correspond to two groups of sliding rings formed in the movable shaft main body, and the grooves formed in the two groups of groove groups correspond to the sliding ring grooves formed in the two groups of sliding rings one to form a plurality of annular grooves arranged at intervals;
the gear penetrates through a shaft of the connecting flange III arranged on the moving shaft main body and is fixed with a side shaft of the large-diameter convex ring;
the fixed shaft comprises a circular cylinder, a connecting flange I and a connecting flange II;
the circular cylinder is provided with a convex disc I fixed with one end of a connecting flange I, the sliding ring moving shaft is inserted into a circular cylinder cavity, the reducing shaft is arranged in a bearing arranged in a center hole of the convex disc II, the large-diameter convex ring cylinder side shaft is arranged in a bearing arranged in a center hole of the convex disc I, and the circular connector is fixed with the connecting flange III;
a circuit board is respectively fixed in a plurality of circuit board areas which are horizontally arranged on a circular cylinder arranged on a fixed shaft at intervals, a plurality of sliding wires fixed on a board main body arranged on the circuit boards form a plurality of annular sliding wire groups arranged at intervals in a one-to-one correspondence manner, and arc-shaped hooks arranged on the plurality of sliding wires on the plurality of annular sliding wire groups are respectively inserted into a plurality of annular grooves formed on a sliding ring moving shaft in the cavity of the circular cylinder in a corresponding manner;
the stepping motor is fixed on the disc surface of the connecting flange I through a motor frame and is connected with the speed reducer, a speed reducer shaft is fixed with the gear pair through a middle hole of the motor frame, and the gear pair is meshed with the gear;
the driving box sleeve is fixed with one surface of the connecting flange I through the end III of the connecting flange;
one end of the slip ring box shell is sleeved into the round cylinder and fixed with the other end of the connecting flange I, one end of the connecting flange II is fixed with the other end of the slip ring box shell and the other end of the convex disc II respectively, the side end of the junction box is fixed with the other end of the connecting flange II, a plurality of micro-rectangular electric connectors are fixed on the other side face of the junction box, and a control box is fixed on the junction box;
the control circuit comprises a single chip microcomputer MCU, a power circuit, a motor control circuit, an in-place detection and indication circuit, a station selection circuit, a station display nixie tube, a power switch, a determination button, a crystal oscillator circuit, a reset circuit, a communication interface, an in-place indicator lamp, a station selection button and a power input port;
the single chip microcomputer MCU is respectively connected with a power circuit, a motor control circuit, an in-place detection and indication circuit, a station selection circuit, a station display nixie tube, a power switch, a determination button, a crystal oscillator circuit, a reset circuit and a communication interface, the motor control circuit is connected with a stepping motor through a stepping motor controller, the in-place detection and indication circuit is respectively connected with a plurality of micro-rectangular electric connectors and an in-place indication lamp, a plurality of contact pins of each micro-rectangular electric connector correspond to a plurality of slide wires fixed on a circuit board main body, a plurality of contact pins of a circular connector are respectively connected with a plurality of contact pieces, the circular connector is connected with the micro-rectangular electric connectors through a sliding ring moving shaft and any circuit board, and the station selection button indication lamp and the station selection button are respectively connected with the station selection circuit;
one path of the external power supply is connected with the stepping motor controller, and the other path of the external power supply is connected with the power supply circuit through the power supply input port;
the power switch, the determining button, the station display nixie tube, the in-place indicator light, the station selection button, the power input port and the communication interface are respectively arranged on the control box;
the stepping motor drives the ring moving shaft to rotate in the fixed shaft circular cylinder, when the fixed seat fixed on the shaft main body and any circuit board of the fixed shaft are in the same direction, the arc-shaped hook arranged on the sliding wire fixed on the plate main body is respectively in contact fit with the contact pieces clamped in the grooves arranged on the fixed seat, and at the moment, the circuit is switched on, so that the function of multi-station switching is realized.
The utility model has the following advantages:
one, compared with the traditional implementation mode
1. The utility model has small volume, flexible installation and use, one-to-one correspondence of the lines and lower troubleshooting complexity. The problem of current multistation relay auto-change over device bulky is solved.
2. The utility model can automatically control the small motor to realize station switching without complex station switching control signals. The problem that the existing multi-station relay switching device can be realized only by programming because switching instructions need to be sent to continuously switch the relays is solved.
3. According to the utility model, station switching can be realized through manual rotation without power-on, electromagnetic interference and energy consumption are avoided, and the driving box needs to be detached when station switching is realized manually. The problems that the existing multi-station relay switching device generates large electromagnetic interference and consumes electricity during working are solved.
4. The utility model has simple line distribution, no cross distribution, strong anti-interference capability of signal transmission and is suitable for high-frequency signal transmission. The problem of current multistation relay auto-change over device can cause signal distortion sometimes, can't transmit high frequency signal is solved.
5. The stations of the utility model can be wired with equal length, and the consistency of the test results of the stations can be ensured. The problem of current multistation relay auto-change over device can cause the test result inconsistent sometimes is solved.
6. The multi-station relay switching device can realize station switching by mechanically rotating a certain angle, and physically solves the problems that the tested product and the test circuit are damaged due to relay adhesion, damage or program confusion when the conventional multi-station relay switching device works.
Secondly, the utility model also has new advantages
7. The utility model avoids welding small components, only needs to weld wires on the aviation plug and the circuit board, can be used after assembly, and has simple, convenient and quick operation.
8. The utility model can flexibly select the number of the output stations according to different application requirements without secondary development, thereby saving the development cost.
9. The utility model can select the same type or different types of output stations according to different application requirements without additionally increasing the cost.
To sum up, new utility model has solved the shortcoming of having had the device, not enough, has reduced the volume, makes easy and simple to handle swift, has improved job stabilization nature, reliability and efficiency, simultaneously, has saved development cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view of the structure of FIG. 1;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic structural view of a stationary shaft according to the present invention;
FIG. 5 is a schematic structural view of a slip ring moving shaft according to the present invention;
fig. 6 is a partial enlarged view of the structural movable shaft body of fig. 5;
FIG. 7 is a schematic view of a portion of the fixing base of the structure shown in FIG. 5;
FIG. 8 is a cross-sectional view of the structural channel of FIG. 7;
FIG. 9 is a schematic view of a contact sheet of the structure of FIG. 5;
FIG. 10 is a schematic diagram of a circuit board according to the present invention;
FIG. 11 is an enlarged view of a portion of the structure of FIG. 10;
FIG. 12 is a schematic structural view of a slide wire according to the present invention;
FIG. 13 is a schematic structural view of a control box according to the present invention;
fig. 14 is a connection block diagram of the control circuit of the present invention.
Detailed Description
As shown in fig. 1 to 14, a device capable of autonomously rotating and switching multiple signals includes a control box 1, a distribution box 2, a stationary shaft 3, a driving box 4, a sliding ring moving shaft 5, a micro-rectangular electric connector 6, a circuit board 7, a sliding ring box housing 8, a gear pair 9, a stepping motor 10, a circular connector 11 and a control circuit;
the fixed shaft 3 comprises a round cylinder 3-1, a connecting flange I3-2 and a connecting flange II 3-3, a circle of convex disc I3-1-1 and a circle of convex disc II 3-1-2 are arranged at two sides of the round cylinder 3-1, external threads are respectively arranged on the cylinder body at the outer sides of the convex disc I3-1-1 and the convex disc II 3-1-2, a plurality of semicircular grooves 3-1-2-1 are arranged on the circumferential surface of the convex disc II 3-1-2 at intervals, a plurality of circuit board areas 3-1-3 are arranged on the circumferential surface of the circular cylinder 3-1 at intervals, three screw holes I3-1-3-1 are arranged in each circuit board area 3-1-3, a strip-shaped hole 3-1-4 is respectively arranged between the middle screw hole I3-1-3-1 and the two side screw holes I3-1-3-1;
the circular cylinder 3-1, the convex disc I3-1-1 is in threaded connection with a screw hole in the connecting flange I3-2 through the external thread of the cylinder body.
The slip ring moving shaft 5 comprises a moving shaft main body 5-1, a contact piece 5-2 array, a fixed seat 5-3 and a gear 5-4;
the moving shaft main body 5-1 is hollow tube-shaped, one end of the moving shaft main body 5-1 is a reducing shaft 5-1-1, the end surface of the other end shaft is a connecting flange III 5-1-2, two groups of sliding rings 5-1-3, strip-shaped fixed seat holes 5-1-4 and large-diameter convex rings 5-1-5 are arranged on a middle-diameter shaft surface between the reducing shaft 5-1-1 and the connecting flange III 5-1-2, the two groups of sliding rings 5-1-3 are arranged at intervals, each group of sliding rings 5-1-3 is composed of a plurality of sliding ring grooves 5-1-3-1 which are arranged at intervals at equal intervals, the strip-shaped fixed seat holes 5-1-4 disconnect the plurality of sliding ring grooves 5-1-3-1 of the two groups of sliding rings 5-1-3, the end surfaces of two sides in the strip-shaped fixed seat hole 5-1-4 are semicircular surfaces, and a screw hole II 5-1-4-1 is respectively arranged on the fixed seat positioning surfaces arranged in the middle and at two sides in the strip-shaped fixed seat hole 5-1-4;
the contact piece 5-2 is in a sheet shape, the cross piece surface at the upper end of the contact piece 5-2 is an arc surface 5-2-1, the lower end surface of the cross piece is provided with two vertical pieces 5-2-2, the two vertical pieces 5-2-2 are arranged at intervals, the cross piece surfaces at two sides of the two vertical pieces 5-2-2 are positioning surfaces II 5-2-3, the outer side surface in the middle of the two vertical pieces 5-2-2 is respectively provided with a convex piece 5-2-1, the two convex pieces 5-2-2-1 are symmetrically arranged, the upper ends of the two convex pieces 5-2-2-1 are planes, and the lower ends are inclined planes;
the end faces of two sides of the fixed seat 5-3 are semicircular strip-shaped bodies, the middle and two side faces of the arc surface on the fixed seat 5-3 are respectively provided with a counter bore 5-3-1, the arc surface on the fixed seat 5-3 between the counter bore 5-3-1 in the middle and the counter bore 5-3-1 at two sides is respectively provided with a group of strip groove groups 5-3-2, each group of strip groove groups 5-3-2 is composed of a plurality of grooves 5-3-2-1 arranged at equal intervals, and a contact piece vertical piece hole 5-3-2-3 is arranged between two positioning surfaces I5-3-2-2 in the plurality of grooves 5-3-2-1;
a contact piece 5-2 is clamped in a plurality of grooves 5-3-2-1 of a fixed seat 5-3 respectively, two vertical pieces 5-2-2 of the contact piece 5-2 extend out of vertical piece holes 5-3-2-3 of the contact piece of the grooves 5-3-2-1, positioning surfaces II 5-2-3 at two sides of the contact piece 5-2 are lapped on the two positioning surfaces I5-3-2-2, and convex pieces 5-2-2-1 on the two vertical pieces 5-2-2 extend out of the vertical piece holes 5-3-2-3 of the contact piece or the upper end plane of the convex pieces 5-2-2-1 on the two vertical pieces 5-2-2 is clamped with the lower surface of the fixed seat 5-3;
arranging a fixed seat 5-3 on a fixed seat positioning surface in a strip-shaped fixed seat hole 5-1-4 of a shaft main body 5-1, respectively penetrating a plurality of bolts through counter bores 5-3-1 to be in threaded connection with screw holes II 5-1-4-1, fixing the fixed seat 5-3 in the strip-shaped fixed seat hole 5-1-4, wherein two groups of strip groove groups 5-3-2 of the fixed seat 5-3 correspond to two groups of sliding rings 5-1-3 of the shaft main body 5-1, and a plurality of strip grooves 5-3-2-1 in the two groups of strip groove groups 5-3-2 correspond to a plurality of sliding ring grooves 5-1-3-1 in the two groups of sliding rings 5-1-3 one by one to form a plurality of annular grooves arranged at intervals;
the gear 5-4 passes through the shaft of the movable shaft main body 5-1 connecting flange III 5-1-2 and is fixed with the shaft of the large-diameter convex ring 5-1-5 side.
The circuit board 7 comprises a board main body 7-1 and a slide wire 7-2;
one end of the sliding thread 7-2 is a straight needle, the other end is an oblique needle, and an arc-shaped hook 7-2-1 is arranged at the end of the straight needle;
the plate main body 7-1 is rectangular, a through hole 7-1-1 is respectively arranged in the middle of the plate main body 7-1 and on two side faces, two groups of lug welding pieces are respectively arranged on one face of the plate main body 7-1 between the through hole 7-1-1 in the middle and the through hole 7-1-1 on two sides, each group of lug welding pieces consists of a plurality of lug welding pieces 7-1-2 arranged at intervals, and the triangular end of each lug welding piece 7-1-2 in the previous group is respectively arranged between the triangular ends of each lug welding piece 7-1-2 in the next group;
the inclined needles of the plurality of the slide wires 7-2 are horizontally arranged at intervals, penetrate through one surface of the plate main body 7-1, extend out of the corner ends of the two groups of the plurality of the lug welding pieces 7-1-2, and are respectively welded with each lug welding piece 7-1-2,
namely, the odd number of the sliding wires 7-2 are welded together one by one corresponding to the next group of the terminal lugs 7-1-2, the even number of the sliding wires 7-2 are welded together one by one corresponding to the last group of the terminal lugs 7-1-2,
the arc-shaped hooks 7-2-1 of the plurality of the slide wires 7-2 are arranged on a horizontal line at intervals.
Inserting a sliding ring moving shaft 5 into a cavity of a circular cylinder 3-1, placing a moving shaft main body 5-1 reducing shaft 5-1-1 of the sliding ring moving shaft 5 into a bearing arranged in a center hole of a convex disc II 3-1-2 of the circular cylinder 3-1, arranging a large-diameter convex ring 5-1-5 cylinder side shaft of the moving shaft main body 5-1 of the sliding ring moving shaft 5 into a bearing arranged in a center hole of a convex disc I3-1-1 of the circular cylinder 3-1, and fixing a circular connector 11 and a connecting flange III 5-1-2 of the moving shaft main body 5-1 together;
a circuit board 7 is respectively arranged in a plurality of circuit board areas 3-1-3 horizontally arranged on a circular cylinder 3-1 of a fixed shaft 3 at intervals, a plurality of bolts respectively penetrate through holes 7-1-1 of the circuit board 7 and are in threaded connection with screw holes I3-1-3-1 in the circuit board areas 3-1-3, and the circuit boards 7 are respectively fixed in the circuit board areas 3-1-3;
a plurality of sliding wires 7-2 fixed on a board main body 7-1 of the circuit board 7 are in one-to-one correspondence, a plurality of annular sliding wire groups arranged at intervals are formed in the circular cylinder 3-1, and a plurality of arc-shaped hooks 7-2-1 of the sliding wires 7-2 on the annular sliding wire groups are respectively and correspondingly inserted into a plurality of annular grooves formed on a sliding ring moving shaft 5 in the cavity of the circular cylinder 3-1;
fixing a stepping motor 10 on the disc surface of a connecting flange I3-2 through a motor frame, connecting the stepping motor 10 with a speed reducer, fixing a speed reducer shaft with a gear pair 9 by penetrating through a middle hole of the motor frame, and meshing the gear pair 9 with a gear 5-4 fixed on a large-diameter convex ring 5-1-5 side shaft of a moving shaft main body 5-1;
fixing the end 5-1-2 of the connecting flange III 5-1-2 sleeved with the main body 5-1 of the over-moving shaft of the driving box 4 with one surface of the connecting flange I3-2;
one end of a slip ring box shell 8 is sleeved into a fixed shaft 3 round cylinder 3-1 and fixed with the other end of a connecting flange I3-2, one end of the connecting flange II 3-3 is fixed with the other end of the slip ring box shell 8 and the other end of a convex disc II 3-1-2 respectively, the side end of a junction box 2 is fixed with the other end of the connecting flange II 3-3, a plurality of micro-rectangular electric connectors 6 are fixed on the other side surface of the junction box 2, a control box 1 is fixed on the junction box 2, and a control circuit is arranged in the control box 1.
The stepping motor 10 drives the revolving shaft 5 to rotate in the circular cylinder 3-1 of the fixed shaft 3, when the revolving shaft 5 moves the shaft body 5-1 of the shaft body 5-3 and any circuit board 7 of the fixed shaft 3 in the same direction, the arc hook 7-2-1 of the slide wire 7-2 fixed on the board body 7-1 of the circuit board 7 contacts and cooperates with the contact piece 5-2 clamped in the 5-3 grooves 5-3-2-1 of the fixed shaft body 5-1 respectively, the circuit is conducted at this time, realize the function of multi-station switching;
the control circuit comprises a single chip microcomputer MCU, a power circuit, a motor control circuit, an in-place detection and indication circuit, a station selection circuit, a station display nixie tube 1-3, a power switch 1-1, a determination button 1-2, a crystal oscillator circuit, a reset circuit, a communication interface 1-8, an in-place indication lamp 1-4, a station selection button indication lamp 1-5, a station selection button 1-6 and a power input port 1-7;
the single chip microcomputer MCU is respectively connected with a power circuit, a motor control circuit, an in-place detection and indication circuit, a station selection circuit, a station display nixie tube 1-3, a power switch 1-1, a determination button 1-2, a crystal oscillator circuit, a reset circuit and a communication interface 1-8, the motor control circuit is connected with a stepping motor 10 through a stepping motor controller, the in-place detection and indication circuit is respectively connected with a plurality of micro-rectangular electric connectors 6 and in-place indication lamps 1-4, a plurality of contact pins of each micro-rectangular electric connector 6 are connected with a plurality of slide wires 7-2 fixed on a circuit board 7 board main body 7-1 correspondingly, a plurality of contact pins of a circular connector 11 are respectively connected with a plurality of contact pieces 5-2, the circular connector 11 is connected with the micro-rectangular electric connectors 6 through a sliding ring moving shaft 5 and any one circuit board 7, the station selection button indicator lamps 1-5 and the station selection buttons 1-6 are respectively connected with a station selection circuit;
one path of the external power supply is connected with the stepping motor controller, and the other path of the external power supply is connected with the power supply circuit through the power supply input ports 1-7;
a power switch 1-1, a determination button 1-2, a station display nixie tube 1-3, an in-place indicator lamp 1-4, a station selection button indicator lamp 1-5, a station selection button 1-6, a power input port 1-7 and a communication interface 1-8 are respectively arranged on the control box 1;
the stepping motor 10 drives the revolving shaft 5 to rotate in the circular cylinder 3-1 of the fixed shaft 3, when the fixed base 5-3 of the revolving shaft 5, the revolving shaft body 5-1 and any circuit board 7 of the fixed shaft 3 are in the same direction, the arc hook 7-2-1 of the slide wire 7-2 fixed on the circuit board 7-1 is respectively contacted and matched with the contact piece 5-2 clamped in the plurality of grooves 5-3-2-1 of the fixed base 5-3 of the revolving shaft body 5-1, at this time, the circuit is conducted, and the function of multi-station switching is realized.
The micro-rectangular electric connector 6 of the embodiment of the utility model is eight, and 8 stations which need to be switched are provided. The number of the micro-rectangular electric connectors 6 and the number of the wire through holes 3-3-1 can be selected according to the specific station requirement.
A circular moving shaft 5 embedded with a contact piece 5-2 is connected with a signal of 1 path, a fixed shaft 3 provided with a main body 7-1 with 8 strips and a slide wire 7-2 is connected with a signal of 8 paths, the circular moving shaft 5 is driven by a stepping motor 10 to rotate a certain angle in the fixed shaft 3, so that a brush wire 7-2 is connected with the contact piece 5-2, and the function of multi-station switching is realized, wherein the reduction ratio i =16:1 of a motor gear pair 9 and a gear 5-4 on the circular moving shaft.
The reduction ratio, i.e., the gear ratio of the reduction gear, is one of the gear ratios, and refers to the ratio of the instantaneous input speed to the output speed in the reduction mechanism, and is denoted by the symbol "i".
The outer side of the circuit board 7 is provided with two groups of connection lugs, each group of connection lugs comprises an upper group and a lower group, 4 groups of connection lugs are provided, each group comprises 25 connection lugs,
1. conductor arrangement
1 power supply lead: and (3) positive electrode: red AFR 2501.1 mm2And, negative electrode: black AFR 2501.0 mm2；
2, analog signals: teflon shielded cable AFR 2501 x 0.2mm2；
3 digital switching value signal: teflon shielded cable AFR 2501 x 0.2mm2；
4, high-frequency signal: RG316 radio frequency cable, can support the transmission of the maximum 100M high-frequency signal;
5, communication differential signal: teflon shielded twisted pair cable AFR 2502 x 0.2mm2。
2. Arrangement of main parts
1 stepping motor 10: 33mm stepping motor, the configuration reduction ratio is 1: 16, the rotating speed of the motor is fixed, and the station switching can be controlled by the rotating time of the motor;
2 contact piece 5-2: the surface of the copper-silver composite material plated with gold is 1mm thick;
3, slide wire 7-2: the surface of the copper-silver composite material plated with gold has the length of 35mm and the section of 0.5mm2；
4, rotating shaft 5: is made of insulating material, and the width of the sliding ring groove 5-1-3-1 is 1 mm.
A method for realizing a device capable of autonomously rotating and switching multiple signals comprises the following steps:
step 3, turning on the power supply of the control box through a power switch 1-1 on the control box 1, selecting the number of a station 1 where a product to be tested is located through a station selection button 1-6, lighting a corresponding station selection button indicator lamp 1-5 when the station selection button 1-6 is pressed, displaying the number of the selected station through a station display nixie tube 1-3, then pressing a determination button 1-2, controlling a stepping motor 10 to start rotating through a motor control circuit by a single chip microcomputer MCU, driving a sliding ring moving shaft 5 to rotate through the matching of a gear pair 9 and gears 5-4 by the stepping motor 10, detecting whether the sliding ring moving shaft rotates to the set station through an in-place feedback signal on a circuit board 7 by an in-place detection and indication circuit, when the sliding ring moving shaft rotates to the set station, namely when a fixed seat 5-3 on the sliding ring moving shaft 5 rotates to the circuit board 7 connected with the station 1 of the micro-rectangular electric connector 6, a sliding wire 7-2 arc-shaped hook 7-2-1 on a circuit board 7 is in contact fit with a contact piece 5-2 clamped in a plurality of grooves 5-3-2-1 of a fixed seat 5-1 of a moving shaft main body 5-1, an in-place indicator lamp 1-4 is lightened, and a stepping motor 10 is controlled to stop rotating at the same time, so that a signal link formed by testing equipment, a circular connector 11, a micro-rectangular electric connector 6 and a product to be tested is formed, and the testing equipment can test the product to be tested at a station 1;
or after the steps 1 and 2 are completed, connecting the communication interfaces 1-8 on the control box with an external computer or control equipment through a communication cable;
and 3, remotely controlling the external computer or the control equipment through the communication cable according to a communication protocol to replace a manual button for operation, and finally forming a signal link formed by the testing equipment, the circular connector 11, the micro-rectangular electric connector 6 and the product to be tested, so that the testing equipment can test the product on the selected station.
The communication protocol can adopt standard RS232 or RS485 or USB or TCP/IP communication protocol.
The products to be tested are circuit board assemblies in various civil products, complete machines in various civil products, parts of a certain cabin section of the missile or functional single boards and the like.
The external test equipment or test instrument is a digital multimeter, a counter, a programmable power supply, an oscilloscope, a frequency spectrograph, a vector network analyzer, an electronic load, a distortion degree tester, an insulation resistance tester, a voltage withstanding tester and the like.
Claims (4)
1. An apparatus for switching multiple signals in an autonomous rotation, comprising: the device comprises a control box (1), a junction box (2), a fixed shaft (3), a driving box (4), a slip ring moving shaft (5), a micro-rectangular electric connector (6), a circuit board (7), a slip ring box shell (8), a gear pair (9), a stepping motor (10), a circular connector (11) and a control circuit, wherein the control circuit is arranged in the control box (1);
the slip ring moving shaft (5) comprises a moving shaft main body (5-1), a contact piece (5-2), a fixed seat (5-3) and a gear (5-4);
a plurality of grooves (5-3-2-1) arranged on the fixed seat (5-3) are respectively provided with a contact piece (5-2) in a clamping way, the fixed seat (5-3) is fixed in a strip-shaped fixed seat hole (5-1-4) formed in the movable shaft main body (5-1), two groups of strip groove groups (5-3-2) formed in the fixed seat (5-3) correspond to two groups of sliding rings (5-1-3) formed in the movable shaft main body (5-1), and a plurality of grooves (5-3-2-1) formed in the two groups of strip groove groups (5-3-2) correspond to a plurality of sliding ring grooves (5-1-3-1) formed in the two groups of sliding rings (5-1-3) one by one to form a plurality of annular grooves arranged at intervals;
the gear (5-4) penetrates through a shaft of the connecting flange III (5-1-2) arranged on the moving shaft main body (5-1) and is fixed with a side shaft of the large-diameter convex ring (5-1-5);
the fixed shaft (3) comprises a circular cylinder (3-1), a connecting flange I (3-2) and a connecting flange II (3-3);
a convex disc I (3-1-1) arranged on the circular cylinder (3-1) is fixed with one end of a connecting flange I (3-2), a sliding ring moving shaft (5) is inserted into a cavity of the circular cylinder (3-1), a reducing shaft (5-1-1) is arranged in a bearing arranged in a central hole of the convex disc II (3-1-2), a cylinder body side shaft of a large-diameter convex ring (5-1-5) is arranged in a bearing arranged in the central hole of the convex disc I (3-1-1), and the circular connector (11) and the connecting flange III (5-1-2) are fixed together;
a circuit board (7) is respectively fixed in a plurality of circuit board areas (3-1-3) which are horizontally arranged on a circular cylinder (3-1) arranged on a fixed shaft (3) at intervals, a plurality of sliding wires (7-2) fixed on a board main body (7-1) arranged on the circuit boards (7) are in one-to-one correspondence to form a plurality of annular sliding wire groups arranged at intervals, and arc-shaped hooks (7-2-1) arranged on the sliding wires (7-2) on the annular sliding wire groups are respectively and correspondingly inserted into a plurality of annular grooves formed on a sliding ring moving shaft (5) in the cavity of the circular cylinder (3-1);
the stepping motor (10) is fixed on the disc surface of the connecting flange I (3-2) through a motor frame, the stepping motor (10) is connected with a speed reducer, a speed reducer shaft is fixed with a gear pair (9) through a middle hole of the motor frame, and the gear pair (9) is meshed with a gear (5-4);
the end, sleeved with the connecting flange III (5-1-2), of the driving box (4) is fixed with one surface of the connecting flange I (3-2);
one end of the slip ring box shell (8) is sleeved into the round cylinder (3-1) and fixed with the other end of the connecting flange I (3-2), one end of the connecting flange II (3-3) is respectively fixed with the other end of the slip ring box shell (8) and the other end of the convex disc II (3-1-2), the side end of the junction box (2) is fixed with the other end of the connecting flange II (3-3), a plurality of micro-rectangular electric connectors (6) are fixed on the other side face of the junction box (2), and the control box (1) is fixed on the junction box (2);
the control circuit comprises a single chip microcomputer MCU, a power circuit, a motor control circuit, an in-place detection and indication circuit, a station selection circuit, a station display nixie tube (1-3), a power switch (1-1), a determination button (1-2), a crystal oscillator circuit, a reset circuit, a communication interface (1-8), an in-place indicator lamp (1-4), a station selection button indicator lamp (1-5), a station selection button (1-6) and a power input port (1-7);
the single chip microcomputer MCU is respectively connected with a power circuit, a motor control circuit, an in-place detection and indication circuit, a station selection circuit, a station display nixie tube (1-3), a power switch (1-1), a determination button (1-2), a crystal oscillator circuit, a reset circuit and a communication interface (1-8), the motor control circuit is connected with a stepping motor (10) through a stepping motor controller, the in-place detection and indication circuit is respectively connected with a plurality of micro-rectangular electric connectors (6) and in-place indication lamps (1-4), a plurality of contact pins of each micro-rectangular electric connector (6) are connected with a plurality of sliding wires (7-2) fixed on a circuit board (7) main body (7-1) corresponding to one circuit board (7), a plurality of contact pins of a circular connector (11) are respectively connected with a plurality of contact pieces (5-2), the round connector (11) is connected with the micro-rectangular electric connector (6) through a sliding ring moving shaft (5) and any one circuit board (7), and the station selection button indicator lamps (1-5) and the station selection buttons (1-6) are respectively connected with a station selection circuit;
one path of the external power supply is connected with the stepping motor controller, and the other path of the external power supply is connected with the power supply circuit through the power supply input ports (1-7);
the power switch (1-1), the confirming button (1-2), the station display nixie tube (1-3), the in-place indicator lamp (1-4), the station selection button indicator lamp (1-5), the station selection button (1-6), the power input port (1-7) and the communication interface (1-8) are respectively arranged on the control box (1);
a stepping motor (10) drives a ring moving shaft (5) to rotate in a round barrel (3-1) of a fixed shaft (3), when a fixed seat (5-3) fixed on a shaft main body (5-1) and any circuit board (7) of the fixed shaft (3) are in the same direction, an arc hook (7-2-1) arranged on a sliding wire (7-2) fixed on the plate main body (7-1) is respectively in contact fit with a contact piece (5-2) clamped in a plurality of grooves (5-3-2-1) arranged on the fixed seat (5-3), at the moment, a circuit is conducted, and the function of multi-station switching is realized.
2. The apparatus of claim 1, wherein the apparatus is capable of autonomously and rotationally switching a plurality of signals: a circle of convex disc I (3-1-1) and a circle of convex disc II (3-1-2) are arranged at two sides of the round cylinder (3-1), external threads are respectively arranged on the cylinder body at the outer sides of the convex disc I (3-1-1) and the convex disc II (3-1-2), a plurality of semicircular grooves (3-1-2-1) are arranged on the circumferential surface of the convex disc II (3-1-2) at intervals, a plurality of circuit board areas (3-1-3) are arranged on the circumferential surface of the circular cylinder (3-1) at intervals, three screw holes I (3-1-3-1) are arranged in each circuit board area (3-1-3), a strip-shaped hole (3-1-4) is respectively arranged between the middle screw hole I (3-1-3-1) and the screw holes I (3-1-3-1) at the two sides;
the convex disc I (3-1-1) arranged on the round cylinder (3-1) is in threaded connection with a screw hole in the connecting flange I (3-2) through the external thread of the cylinder body.
3. The apparatus of claim 1, wherein the apparatus is capable of autonomously and rotationally switching a plurality of signals: the movable shaft main body (5-1) is hollow and tubular, one end of the movable shaft main body (5-1) is a reducing shaft (5-1-1), the end face of the other end shaft is a connecting flange III (5-1-2), two groups of sliding rings (5-1-3), strip-shaped fixing seat holes (5-1-4) and large-diameter convex rings (5-1-5) are arranged on a middle-diameter shaft surface between the reducing shaft (5-1-1) and the connecting flange III (5-1-2) at intervals, each group of sliding rings (5-1-3) consists of a plurality of sliding ring grooves (5-1-3-1) which are arranged at intervals, and the strip-shaped fixing seat holes (5-1-4) disconnect the plurality of sliding ring grooves (5-1-3-1) of the two groups of sliding rings (5-1-3) The end surfaces of two sides in the strip-shaped fixed seat hole (5-1-4) are semicircular surfaces, and a screw hole II (5-1-4-1) is respectively arranged on the fixed seat positioning surfaces arranged in the middle and at two sides in the strip-shaped fixed seat hole (5-1-4);
the contact piece (5-2) is sheet-shaped, the cross piece surface at the upper end of the contact piece (5-2) is an arc surface (5-2-1), the lower end surface of the cross piece is provided with two vertical pieces (5-2-2), the two vertical pieces (5-2-2) are arranged at intervals, the cross piece surfaces at two sides of the two vertical pieces (5-2-2) are positioning surfaces II (5-2-3), the outer side surface in the middle of the two vertical pieces (5-2-2) is respectively provided with a convex piece (5-2-2-1), the two convex pieces (5-2-2-1) are symmetrically arranged, the upper ends of the two convex pieces (5-2-2-1) are planes, and the lower ends of the two convex pieces (5-2-2-1) are inclined planes;
the end faces of two sides of the fixed seat (5-3) are semicircular strip-shaped bodies, the middle and two side faces of the upper arc face of the fixed seat (5-3) are respectively provided with a counter bore (5-3-1), the upper arc face of the fixed seat (5-3) between the middle counter bore (5-3-1) and the counter bores (5-3-1) at two sides is respectively provided with a group of strip groove groups (5-3-2), each group of strip groove groups (5-3-2) is composed of a plurality of grooves (5-3-2-1) arranged at equal intervals, and a contact piece vertical piece hole (5-3-2-3) is arranged between two positioning faces I (5-3-2-2) in the plurality of grooves (5-3-2-1);
a plurality of grooves (5-3-2-1) formed in the fixed seat (5-3) are respectively provided with a contact piece (5-2), two vertical pieces (5-2-2) of the contact piece (5-2) extend out of the contact piece vertical piece holes (5-3-2-3) of the grooves (5-3-2-1), positioning surfaces II (5-2-3) on two sides of the contact piece (5-2) are lapped on the two positioning surfaces I (5-3-2-2), and the upper end planes of the protruding pieces (5-2-2-1) on the two vertical pieces (5-2-2) are clamped with the lower surface of the fixed seat (5-3);
the fixing seat (5-3) is arranged on a fixing seat positioning surface in a strip-shaped fixing seat hole (5-1-4) formed in the shaft main body (5-1), and a plurality of bolts respectively penetrate through the counter bore (5-3-1) to be in threaded connection with the screw hole II (5-1-4-1) so as to fix the fixing seat (5-3) in the strip-shaped fixing seat hole (5-1-4).
4. The apparatus of claim 1, wherein the apparatus is capable of autonomously and rotationally switching a plurality of signals: the circuit board (7) comprises a board main body (7-1) and a sliding wire (7-2);
one end of the sliding wire (7-2) is a straight needle, the other end of the sliding wire is an oblique needle, and an arc-shaped hook (7-2-1) is arranged at the end of the straight needle;
the plate main body (7-1) is rectangular, a through hole (7-1-1) is formed in the middle of the plate main body (7-1) and on two side faces of the plate main body respectively, two groups of wiring soldering lugs are arranged on one face of the plate main body (7-1) between the middle through hole (7-1-1) and the through holes (7-1-1) on two sides respectively, each group of wiring soldering lugs consists of a plurality of wiring soldering lugs (7-1-2) arranged at intervals, and the triangular end of each wiring soldering lug (7-1-2) in the upper group is arranged between the triangular ends of each wiring soldering lug (7-1-2) in the lower group respectively;
oblique needles of a plurality of sliding wires (7-2) penetrate through one surface of the plate main body (7-1), extend out of the corner ends of two groups of the plurality of lug welding pieces (7-1-2), and are respectively welded with each lug welding piece (7-1-2), and arc-shaped hooks (7-2-1) of the plurality of sliding wires (7-2) are arranged on a horizontal line at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993797.5U CN216144883U (en) | 2021-05-11 | 2021-05-11 | Device capable of automatically rotating and switching multiple signals |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993797.5U CN216144883U (en) | 2021-05-11 | 2021-05-11 | Device capable of automatically rotating and switching multiple signals |
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| CN216144883U true CN216144883U (en) | 2022-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156255A (en) * | 2021-05-11 | 2021-07-23 | 天津七一二移动通信有限公司 | Device capable of switching multi-channel signals in autonomous rotation mode and implementation method |
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2021
- 2021-05-11 CN CN202120993797.5U patent/CN216144883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156255A (en) * | 2021-05-11 | 2021-07-23 | 天津七一二移动通信有限公司 | Device capable of switching multi-channel signals in autonomous rotation mode and implementation method |
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Address after: 300140 No. 185, new great road, Tianjin, Hebei District Patentee after: Tianjin 712 Mobile Communication Co.,Ltd. Country or region after: China Address before: 300140 No. 185, new great road, Tianjin, Hebei District Patentee before: TIANJIN 712 MOBILE COMMUNICATIONS Co.,Ltd. Country or region before: China |
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