CN218349538U

CN218349538U - Video equipment comprehensive test bed

Info

Publication number: CN218349538U
Application number: CN202222284006.9U
Authority: CN
Inventors: 魏亚广; 赵福信; 苗毅军
Original assignee: Xi'an Huaxin Railway Tech Ltd
Current assignee: Xi'an Huaxin Railway Tech Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-20
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a video equipment combined test platform relates to the test equipment field. The method comprises the following steps: the L end of the test bed power supply inlet end is electrically connected with the first input end of the first contactor through a first power supply control main switch and the L end of a first power socket; the N end of the first contactor is electrically connected with the second input end of the first contactor through the N end of the first power socket; the output end of the first power socket is electrically connected with any one or more of the first industrial personal computer, the second industrial personal computer, the first display and the second display and is used for providing power; the output end of the second power socket is electrically connected with any one or more groups of the first receiving optical transceiver, the second receiving optical transceiver and the third receiving optical transceiver and is used for providing power; the output end of the third power socket is electrically connected with any one or more of the encoder, the sound pick-up, the local terminal, the first interval optical terminal and the second interval optical terminal and is used for providing power.

Description

Video equipment comprehensive test bed

Technical Field

The utility model relates to a test equipment field, more specifically relate to video equipment combined test platform.

Background

With the rapid development of rail transit, on-site video equipment is continuously updated. Many current ordinary detections that carry out through ordinary detecting instrument can not satisfy the work needs gradually, for example, some types of video equipment detect the degree of difficulty and increase or inconvenient detection, detection efficiency reduces scheduling problem.

In the prior art, a test bed for detecting or performing a function test on video equipment is not provided temporarily, a user also lacks an effective detection means for the video equipment, if a returned fault equipment is encountered, a part of equipment has no detection condition and needs to build a verification circuit by oneself, so that the detection difficulty is large, even if the detection can be performed temporarily, the detection accuracy cannot be guaranteed, and the problems of time and labor are also caused.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a video equipment combined test platform when can carrying out functional verification to video equipment, effectively improves measuring accuracy, detection efficiency and reduces intensity of labour.

The embodiment of the utility model provides a video equipment combined test platform, include:

the L end of the test bed power supply inlet end is electrically connected with the first input end of the first contactor through a first power supply control main switch and the L end of a first power socket; the N end of the first contactor is electrically connected with the second input end of the first contactor through the N end of the first power socket;

a first output end and a second output end of the first contactor are electrically connected with a first input end and a second input end of the isolation transformer respectively;

the first output end of the isolation transformer is electrically connected with the L end of the second power socket, the second power control main switch, the L end of the third power socket and the L end of the power transformer;

the second output end of the isolation transformer is electrically connected with the N end of the second power socket, the N end of the third power socket and the N end of the power transformer;

the output end of the first power socket is electrically connected with any one or more of a first industrial personal computer, a second industrial personal computer, a first display, a second display and a switch and used for providing power;

the output end of the second power socket is electrically connected with any one or more groups of the first receiving optical transceiver, the second receiving optical transceiver and the third receiving optical transceiver or the first transmitting optical transceiver, the second transmitting optical transceiver and the third transmitting optical transceiver for providing power;

the output end of the third power socket is electrically connected with any one or more of the encoder, the sound pick-up, the local side unit, the first interval optical transceiver and the second interval optical transceiver and is used for providing power;

the first industrial personal computer comprises a first port, the second industrial personal computer comprises a second port, the switch comprises a third port, the first transmitting optical transceiver comprises a fourth port, the first receiving optical transceiver comprises a fifth port, the second receiving optical transceiver comprises a sixth port, the second transmitting optical transceiver comprises a seventh port, the third receiving optical transceiver comprises an eighth port, the third transmitting optical transceiver comprises a ninth port, the encoder comprises a tenth port, the local optical transceiver comprises an eleventh port, the first interval optical transceiver comprises a twelfth port, and the second interval optical transceiver comprises a thirteenth port.

Preferably, the first industrial personal computer comprises a first VGA interface connected with the first display, and a first network port connected with a third network port of the switch; the second industrial personal computer comprises a second VGA interface connected with the second display and a second network port connected with a third network port of the switch;

the first port comprises a USB interface, the second port comprises a USB interface, and the third port comprises a network port interface;

the first industrial personal computer, the second industrial personal computer, the first display, the second display and the switch share one group of power supplies.

Preferably, the fourth port, the fifth port, the sixth port, the seventh port, the eighth port and the ninth port each comprise an optical fiber interface, a BNC interface and a terminal interface;

the first receiving optical transceiver, the second receiving optical transceiver and the third receiving optical transceiver share one group of power supply;

the first sending optical transceiver, the second sending optical transceiver and the third sending optical transceiver share one group of power supplies.

Preferably, the tenth port comprises a net gape interface, a BNC interface, and a terminal interface; the eleventh port comprises a network interface, a BNC interface, a fiber interface and a terminal interface, the twelfth port comprises a fiber interface, and the thirteenth port comprises a fiber interface, a BNC interface and a terminal interface;

the encoder, the sound pick-up, the local side unit, the first interval optical transmitter and receiver and the second interval optical transmitter and receiver share one group of power supply.

The embodiment of the utility model provides a video equipment combined test platform, include: the L end of the power inlet end of the test bed is electrically connected with the first input end of the first contactor through a first power control main switch and the L end of a first power socket; the N end of the first contactor is electrically connected with the second input end of the first contactor through the N end of the first power socket; a first output end and a second output end of the first contactor are respectively and electrically connected with a first input end and a second input end of the isolation transformer; the first output end of the isolation transformer is electrically connected with the L end of the second power socket, the second power control main switch, the L end of the third power socket and the L end of the power transformer; the second output end of the isolation transformer is electrically connected with the N end of the second power socket, the N end of the third power socket and the N end of the power transformer; the output end of the first power socket is electrically connected with any one or more of a first industrial personal computer, a second industrial personal computer, a first display, a second display and a switch and used for providing power; the output end of the second power socket is electrically connected with any one or more groups of the first receiving optical transceiver, the second receiving optical transceiver and the third receiving optical transceiver or the first transmitting optical transceiver, the second transmitting optical transceiver and the third transmitting optical transceiver for providing power; the output end of the third power socket is electrically connected with any one or more of the encoder, the sound pick-up, the local end machine, the first interval optical end machine and the second interval optical end machine and is used for providing power supply; the first industrial personal computer comprises a first port, the second industrial personal computer comprises a second port, the switch comprises a third port, the first transmitting optical transceiver comprises a fourth port, the first receiving optical transceiver comprises a fifth port, the second receiving optical transceiver comprises a sixth port, the second transmitting optical transceiver comprises a seventh port, the third receiving optical transceiver comprises an eighth port, the third transmitting optical transceiver comprises a ninth port, the encoder comprises a tenth port, the local optical transceiver comprises an eleventh port, the first interval optical transceiver comprises a twelfth port, and the second interval optical transceiver comprises a thirteenth port. The test bed leads all interfaces of the equipment to an operation panel, can be flexibly replaced and adjusted, and can be used for detecting or performing function tests on video equipment such as an encoder, an optical transceiver, a dome camera base, a dome camera, a throat machine, a local side machine, an interval optical transceiver, an interval cloud, a inter-platform gunlock, a sound pick-up and the like; the intelligent high-precision direct current excitation source is self-developed by adopting a digital power electronic technology and an integrated circuit design technology, the power supply has high regulation precision, the adjustable resolution is 0.05 percent, and the voltage regulation rate is less than 0.5 percent. The response time is short; all external conditions and detection tools which are needed to be used during maintenance can effectively and practically improve the detection efficiency; various power supplies adopt measures such as isolation, short-circuit protection and the like, so that the safety of operators and equipment can be effectively ensured; the working table type box body structure solves the problems that the conventional operating table is unreasonable in internal layout, poor in universality, low in internal space utilization rate and incapable of placing large/heavy equipment on the table top of the test table, and improves labor productivity; the human engineering principle is fully utilized, so that a user is more comfortable; the system can simply and conveniently test the performance of various devices, and can reduce and avoid the phenomenon that the field can not work normally due to device faults.

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, 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 diagram of a power control structure of a video equipment comprehensive test bed provided by an embodiment of the present invention;

fig. 2 is a schematic diagram of a control panel structure of a video equipment comprehensive test bed provided by the embodiment of the utility model;

fig. 3 is a schematic connection diagram of a first industrial computer and a second industrial computer inside a test bed provided by the embodiment of the present invention;

fig. 4 is a schematic connection diagram of an optical transceiver inside a test bed according to an embodiment of the present invention;

fig. 5 is a schematic connection diagram of an internal encoder, a local side unit and an interval optical transceiver of the test bench according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a video equipment comprehensive test bed provided by an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a test principle of a video equipment comprehensive test bed provided by an embodiment of the present invention;

101-a test bed power supply inlet end, 102-a first power supply control main switch, 103-an alternating current voltmeter, 104-a first contactor, 105-an isolation transformer, 106-a second power supply control main switch, 107-a first internal power supply socket, 108-a test bed panel lighting switch, 109-a test bed panel lighting lamp, 110-a test bed panel power off button, 111-a test bed panel power on button, 112-a second contactor, 113-a third contactor, 114-a test bed panel power on indicator lamp, 115-a second internal power supply socket, 116-a third internal power supply socket, 117-a step-down power supply transformer, 118-a first power supply interface, 119-a second power supply interface and 120-a third power supply interface; 201-a first industrial personal computer, 202-a first industrial personal computer switch, 203-a first industrial personal computer switch indicator light, 204-a first port, 205-a first connecting line, 206-a first external port, 207-a first network port, 208-a network port connecting line, 209-a switch, 210-a first industrial personal computer network port, 211-a third port, 212-a third external port, 213-a second industrial personal computer, 214-a second port, 215-a second external port, 216-a second industrial personal computer switch, 217-a second industrial personal computer switch indicator light, 218-a first display, 219-a VGA connecting line, 220-a second display, 221-a first group of power supply and 222-a first group of power supply connecting line;

301-a first receiving optical transceiver, 302-a fourth port, 303-a fourth connecting line, 304-a fourth external port, 305-a first transmitting optical transceiver, 306-a fifth external port, 307-a second receiving optical transceiver, 308-a sixth external port, 309-a second transmitting optical transceiver, 310-a seventh external port, 311-a third receiving optical transceiver, 312-an eighth external port, 313-a third transmitting optical transceiver, 314-a ninth external port, 315-a second group of power supplies, 316-a third group of power supplies;

401 to an encoder, 402 to a tenth port, 403 to a tenth connecting line, 404 to a tenth external port, 405 to a sound pickup, 406 to an external BNC interface, 407 to a local side unit, 408 to an eleventh external port, 409 to a first interval optical transceiver, 410 to a twelfth external port, 411 to a second interval optical transceiver, 412 to a thirteenth external port, 413 to a fourth group of power supply wires, and 414 to a fourth group of power supply.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

fig. 2 is a schematic diagram of a control panel structure of a video equipment comprehensive test bed provided by the embodiment of the present invention; FIG. 3 is a schematic diagram of connection between a first industrial personal computer and a second industrial personal computer inside a test bed provided by the embodiment of the invention;

fig. 4 is a schematic diagram of connection of an optical transceiver inside a test bench according to an embodiment of the present invention; fig. 5 is a schematic connection diagram of an internal encoder, a local side unit and an interval optical transceiver of the test bench according to an embodiment of the present invention; fig. 6 is a schematic structural diagram of a video equipment comprehensive test bed provided by an embodiment of the present invention; the video equipment comprehensive test bed provided by the embodiment of the invention is described in detail below with reference to fig. 1 to 6.

The embodiment of the utility model provides a video equipment combined test platform adopts like the two-sided maintenance workstation structure of adoption shown in figure 6, and it includes test bench panel 10 and workstation 20. Various ports of the video equipment are mapped on a panel of the test bed, and different tested pieces can be visually tested by using an alternative method. This combined test platform adopts two-sided maintenance workstation structure, and instruments such as momentum journey digital voltmeter, constant voltage power supply are installed with the embedding mode, convenient operation, pleasing to the eye practicality. Moreover, the novel multifunctional desk adopts two large and small panels, and the small panel can be used as a spare panel and is convenient for use in expanded functions.

It should be noted that, as shown in fig. 2, the industrial personal computers a and B in the figure are hereinafter respectively represented by a first industrial personal computer 201 and a second industrial personal computer 213, and correspondingly, the displays a and B are hereinafter respectively represented by a first display 218 and a second display 220, the optical transceiver a (receiving), the optical transceiver B (receiving), the optical transceiver C (receiving), the optical transceiver a (transmitting), the optical transceiver B (transmitting) and the optical transceiver C (transmitting) are hereinafter respectively represented by a first receiving optical transceiver 301, a second receiving optical transceiver 307, a third receiving optical transceiver 311, a first transmitting optical transceiver 305, a second transmitting optical transceiver 309 and a third transmitting optical transceiver 313, and the section optical transceiver a and the section optical transceiver B are hereinafter represented by a first section optical transceiver 409 and a second section optical transceiver 411.

The following describes the test bed panel in detail, and as shown in fig. 1, the power control structure of the test bed panel mainly includes: the test bed power supply inlet terminal 101, a first power supply control main switch 102, a first contactor 104, an isolation transformer 105, a second power supply control main switch 106, a first internal power socket 107, a second internal power socket 115, a step-down power transformer 117 and a tested device power socket.

Specifically, the input voltage of the test bed is a single-phase alternating current power supply, the power inlet end 101XP1 of the test bed is electrically connected with an external network, the voltage of the test bed is required to be 220V +/-10 percent, 50Hz +/-2 Hz, the waveform distortion coefficient is not more than 2.5 percent, and the capacity of a power supply is not less than 0.5kVA; further, a live wire L included in the power inlet terminal 101 of the test bed is electrically connected through an input end of a first power control main switch 102 (QF 1), and then is electrically connected with an L terminal of a first power socket and a first input end of the first contactor 104 from an output end of the first power control main switch 102; the N terminal of the first contactor 104 is electrically connected to the second input terminal of the first contactor through the N terminal of the first power socket.

Further, a first output terminal and a second output terminal of the first contactor 104 are electrically coupled with a first input terminal and a second input terminal of the isolation transformer 105, respectively; a first output end of the isolation transformer 105 is electrically connected with an L end (fire wire ends of XS3, XS4, XS5, XS6, XS 7) of the second power socket and an input end of a second power control main switch 106 (QF 2); the output end of the second power control main switch 106 is respectively and electrically connected with the L ends (fire wire ends of XS8, XS9 and XS 10) of the third power socket, the third power interface 120 (AC 220V power interface) and the L end of the power transformer; the second output end of the isolation transformer 105 is electrically connected with the N-terminal of the second power socket (the neutral terminals of XS3, XS4, XS5, XS6, XS 7), the N-terminal of the third power socket (the neutral terminals of XS8, XS9, XS 10) and the N-terminal of the power transformer.

In this embodiment, an output terminal of the first power socket is electrically coupled to any one or more of the first industrial computer 201, the second industrial computer 213, the first display 218, and the second display 220, for respectively providing power to any one or more of the first industrial computer 201, the second industrial computer 213, the first display 218, the second display 220, and the interaction device; the output end of the second power socket is electrically connected to any one or more of the first receiving optical transceiver 301, the second receiving optical transceiver 307, and the third receiving optical transceiver 311, or the first transmitting optical transceiver 305, the second transmitting optical transceiver 309, and the third transmitting optical transceiver 313, and is used for simultaneously providing power to the first receiving optical transceiver 301, the second receiving optical transceiver 307, and the third receiving optical transceiver 311, or simultaneously providing power to the first transmitting optical transceiver 305, the second transmitting optical transceiver 309, and the third transmitting optical transceiver 313, or simultaneously providing power to the first receiving optical transceiver 301, the second receiving optical transceiver 307, the third receiving optical transceiver 311, the first transmitting optical transceiver 305, the second transmitting optical transceiver 309, and the third transmitting optical transceiver 313. The output end of the third power socket is electrically connected to any one or more of the encoder 401, the sound pickup 405, the local terminal 407, the first zone optical transceiver 409 and the second zone optical transceiver 411, and is configured to provide power to any one or more of the encoder 401, the sound pickup 405, the local terminal 407, the first zone optical transceiver 409 and the second zone optical transceiver 411, respectively.

Further, the first industrial personal computer 201 includes a first port 204, the second industrial personal computer 213 includes a second port 214, the switch 209 includes a third port 211, the first transmitting optical transceiver 305 includes a fourth port 302, the first receiving optical transceiver 301 includes a fifth port, the second receiving optical transceiver 307 includes a sixth port, the second transmitting optical transceiver 309 includes a seventh port, the third receiving optical transceiver 311 includes an eighth port, the third transmitting optical transceiver 313 includes a ninth port, the encoder 401 includes a tenth port 402, the local transceiver 407 includes an eleventh port, the first zone optical transceiver 409 includes a twelfth port, and the second zone optical transceiver 411 includes a thirteenth port.

It should be noted that the third power socket is a test bed panel power socket and is used for providing a test power supply to a device under test, and the first power socket and the second power socket are both test bed internal power sockets and are used for providing a working power supply to a test bed internal device.

Illustratively, the power control structure of the test bed panel further comprises an alternating current voltmeter 103, a test bed panel lighting switch 108, a test bed panel lighting lamp 109, a test bed panel power off button 110, a test bed panel power on button 111 and a test bed panel power on indicator lamp 114.

As shown in fig. 1, the ac voltmeter 103 is disposed between the live line L included in the power inlet terminal 101 of the test bed and the first power socket, and is used for displaying the working voltage of the test bed; further, the live wire L of the single-phase ac power supply is electrically connected to the end of the test bed panel lighting lamp 109L (live wire) through the output end of the first power socket, and the test bed panel lighting lamp 109 is controlled by the test bed panel lighting switch 108.

A live wire L of the single-phase alternating-current power supply is respectively and electrically connected with the input end of a power on button 111 of the test bed panel and the input end of a third group of main contacts of the third contactor 113 through a power off button 110 of the test bed panel; the output end of the third group of main contacts of the third contactor 113 is respectively electrically connected with the output end of the power-on button 111 of the test bed panel, the L end of the second contactor 112 and the L end of the power-on indicator lamp 114 of the test bed panel; the part forms a power-on self-locking and power-off control circuit of the test bed.

The on-off of the test bed working power supply (the attraction or release of the first contactor 104) is controlled by a test bed panel power supply off button 110 and a test bed panel power supply on button 111 on the test bed panel, and the first contactor 104 comprises a first group of main contacts and a second group of main contacts which are respectively and electrically connected with the L1 end and the N1 end of the T input of the isolation transformer 105.

It should be noted that the third power socket, which includes XS8, XS9 and XS10, is controlled by the second power control main switch 106 on the test bed panel; a first power outlet comprising XS1 and XS2; a second power outlet comprising XS3, XS4, XS5, XS6 and XS7.

Further, a step-down power transformer 117 provides power for the ball machine to be tested and the cradle head, and specifically, an output end L3 of the step-down power transformer 117 (T2) is electrically connected to L ends of a first power interface 118 (an AC24V ball machine power interface) and a second power interface 119 (an AC24V cradle head power interface), respectively; the output end N3 of the step-down power transformer 117 (T2) is electrically connected to the N ends of the first power interface 118 (power interface of AC24V dome camera) and the second power interface 119 (power interface of AC24V pan/tilt head), respectively.

Exemplarily, as shown in fig. 3, the first industrial personal computer 201, the second industrial personal computer 213, and the switch 209 in this embodiment mainly include: the industrial personal computer comprises a first industrial personal computer switch 202, a first industrial personal computer switch indicator lamp 203, a first port 204, a first connecting line 205, a first external port 206, a first internet access 207, an internet access connecting line 208, a first industrial personal computer internet access 210, a third port 211, a third external port 212, a second port 214, a second external port 215, a second industrial personal computer switch 216, a second industrial personal computer switch indicator lamp 217, a first display 218, a VGA connecting line 219, a second display 220, a first group of power supplies 221 and a first group of power supply connecting lines 222.

Specifically, the first industrial personal computer 201 includes a first industrial personal computer switch 202, a normally open end and a common end of which are electrically connected to a start control end of the first industrial personal computer 201, and are used for starting and shutting down the first industrial personal computer 201; furthermore, a first industrial personal computer switch indicator lamp 203 electrically connected with the first industrial personal computer switch 202 is electrically connected with a DC5V output end inside the first industrial personal computer 201; in practical applications, the first industrial personal computer 201 is started by operating the first industrial personal computer switch 202, and the working state of the first industrial personal computer 201 is indicated by the first industrial personal computer switch indicator lamp 203.

Further, the first industrial personal computer 201 includes a first port 204, which includes two USB interfaces, connected to a first external port 206 on the panel of the retest bench through a first connection line 205. It should be noted that the type and number of the external interfaces arranged on the test bed panel are matched with the type and number of the first interfaces of the first industrial personal computer 201.

In this embodiment, as shown in fig. 3, the network port connection line 208 is a network cable with a specified length, and the two ends of the network cable are connected with the crystal heads by pressing according to a specified rule, so that the network signal can be reliably transmitted between the two crystal heads.

Further, a first network interface 207 included in the first industrial personal computer 201 and a third network interface included in the switch 209 are connected through a network interface connection line 208, and a first VGA interface included in the first industrial personal computer 201 and a VGA interface included in the first display 218 are connected through a first VGA connection line 219.

Specifically, the second industrial computer 213 includes a second industrial computer switch 216, a normally open end and a public end of which are electrically connected to a start control end of the first industrial computer 201, and are configured to start and shut down the second industrial computer 213; moreover, a second industrial computer switch indicator light 217 electrically connected with a second industrial computer switch 216 is electrically connected with a DC5V output end inside the second industrial computer 213; in practical applications, the second industrial personal computer 213 is started by operating the second industrial personal computer switch 216, and the operating state of the second industrial personal computer 213 is indicated by the second industrial personal computer switch indicator lamp 217.

Further, the second port 214 of the second industrial computer 213, which includes two USB interfaces, is connected to a second external port 215 on the panel of the retest bench through a second connection line. It should be noted that the type and number of the external interfaces arranged on the test bed panel are matched with the type and number of the second interfaces of the second industrial personal computer 213.

Further, a second network port included in the second industrial personal computer 213 is connected to a third network port included in the switch 209 through the network port connection line 208, and a second VGA interface included in the second industrial personal computer 213 is connected to a VGA interface included in the second display 220 through the second VGA connection line 219.

Further, as shown in fig. 3, in the switch 209 of this embodiment, the third port 211 includes two network port interfaces, the two network port interfaces are connected to the third external port 212 on the panel of the retest bench through a third connection line, and furthermore, the switch 209 further includes two third network ports respectively connected to the first industrial computer 201 and the second industrial computer 213.

It should be noted that the first industrial personal computer 201, the second industrial personal computer 213, the first display 218, the second display 220 and the switch 209 share a set of power supplies, that is, a first set of power supplies 221 (XS 1), and the first set of power supplies 221 are electrically connected to the first internal power socket 107 through a first set of power connection lines 222, that is, power supplies are provided to the first industrial personal computer 201, the second industrial personal computer 213, the first display 218, the second display 220 and the switch 209 through the first internal power socket 107.

Illustratively, as shown in fig. 4, the first receiving optical transceiver 301 in this embodiment includes a fourth port 302, a fourth connecting line 303 and a fourth external port 304.

Specifically, the fourth ports 302 include an optical fiber interface, a BNC interface, and a terminal interface, and the fourth ports 302 are connected to corresponding fourth external ports 304 (H, c, d) in the "first receiving optical transceiver" area on the test bed panel through fourth connection lines 303 (FC-FC single-mode single-core optical fiber line assembly, video connection line assembly, and terminal connection line assembly). The optical fiber wire assembly is a single-mode single-core optical fiber with a specified length, and the FC joints are respectively welded at two ends of the optical fiber according to a specified rule, so that signals can be reliably transmitted between two plugs; the video connecting wire assembly is a coaxial cable with a specified length, and a wire harness which enables video signals to be reliably transmitted between two plugs and a socket is formed by respectively welding BNC connectors at two ends of the cable according to a specified rule; the terminal connecting wire assembly is a wire harness which is formed by respectively welding an aviation plug and an aviation socket at two ends of a multi-core cable with specified length according to specified rules, so that signals can be reliably transmitted between the plug and the socket.

Further, the first transmitting optical transceiver 305 in this embodiment includes a fifth port, a fifth connecting line and a fifth external port 306.

Specifically, the fifth port includes an optical fiber interface, a BNC interface, and a terminal interface, and the fifth ports are all connected to the corresponding fifth external ports 306 (h, k, l) in the "first transmitting optical transceiver" area on the test bed panel through the fifth connection line (FC-FC single-mode single-core optical fiber line assembly, video connection line assembly, terminal connection line assembly). The optical fiber wire assembly is a single-mode single-core optical fiber with a specified length, and FC joints are respectively welded at two ends of the optical fiber according to a specified rule, so that signals can be reliably transmitted between two plugs; the video connecting line assembly is a coaxial cable with a specified length, and the BNC connectors are respectively welded at two ends of the cable according to a specified rule, so that video signals can be reliably transmitted between the two plugs and the socket; the terminal connecting wire component is a multi-core cable with specified length, and a wire harness which is used for respectively welding an aviation plug and an aviation socket at two ends of the cable according to specified rules and ensures that signals can be reliably transmitted between the plug and the socket.

Further, the embodiment includes a second receiving optical transceiver 307, a third receiving optical transceiver 311, a second transmitting optical transceiver 309, and a third transmitting optical transceiver 313, which respectively include a sixth port, a sixth connection line, and a sixth external port 308; an eighth port, an eighth connecting line and an eighth external port 312; a seventh port, a seventh connecting line and a seventh external port 310; a ninth port, a ninth connecting line and a ninth external port 314.

Specifically, the sixth ports include an optical fiber interface, a BNC interface, and a terminal interface, and are all connected to the corresponding sixth external ports 308 (i, c, d) in the region of the "second receiving optical transceiver 307" on the test bed panel through the sixth connection lines (FC-FC single-mode single-core optical fiber line assembly, video connection line assembly, and terminal connection line assembly). The seventh port comprises an optical fiber interface, a BNC interface and a terminal interface, and the seventh ports are connected with corresponding seventh external ports 310 (i, K, L) in the area of the "second transmitting optical transceiver" on the test bed panel through seventh connecting lines (an FC-FC single-mode single-core optical fiber line assembly, a video connecting line assembly, and a terminal connecting line assembly). The eighth port includes an optical fiber interface, a BNC interface, and a terminal interface, and the eighth ports are all connected to corresponding eighth external ports 312 (J, c, d) in a "third receiving optical transceiver" region on the test bed panel through a fifth connection line (an FC-FC single-mode single-core optical fiber line assembly, a video connection line assembly, and a terminal connection line assembly). The ninth port comprises an optical fiber interface, a BNC interface and a terminal interface, and the ninth ports are connected with corresponding ninth external ports 314 (j, K, L) in a region of a third sending optical transceiver on the test bed panel through ninth connecting lines (an FC-FC single-mode single-core optical fiber line assembly, a video connecting line assembly, and a terminal connecting line assembly).

It should be noted that the first receiving optical transceiver 301, the second receiving optical transceiver 307, and the third receiving optical transceiver 311 share a set of power supplies, that is, a second set of power supplies 315 (XS 3), and are electrically connected to the second internal power socket 115 through the second set of power supplies 315, that is, power is supplied to the first receiving optical transceiver 301, the second receiving optical transceiver 307, and the third receiving optical transceiver 311 through the second internal power socket 115; the first, second and third transmitting

optical transceivers

305, 309 and 313 share a set of power source, i.e., a third set of power source 316 (XS 4), and are electrically connected to the second internal power socket 115 through the third set of power source 316, i.e., the first, second and third transmitting

optical transceivers

305, 309 and 313 are supplied with power through the second internal power socket 115.

Illustratively, as shown in fig. 5, the encoder 401 in this embodiment includes a tenth port 402, a tenth connection line 403 and a tenth external port 404.

Specifically, the tenth port 402 includes a net port interface, a terminal interface and a BNC interface, and the tenth ports 402 are connected to the corresponding tenth external ports 404 (a, c, D, E, F, G) in the "encoder" area on the test board panel through the tenth connection lines 403 (net port connection line 208 assembly, video connection line assembly, terminal connection line assembly).

Further, pickup 405 includes an internal BNC interface that connects to an "pickup" off-site BNC interface 406 (bulkhead interface e) on the test bed panel via a BNC connection line (video connection line assembly).

Further, the office terminal 407 includes an eleventh port, which includes a network port interface, a terminal interface, a BNC interface and an optical fiber interface, and the eleventh ports are all connected to the corresponding eleventh external ports 408 (b, g, f, M) in the "office terminal" area on the test bed panel through an eleventh connection line (the network port connection line 208 assembly, the video connection line assembly, the terminal connection line assembly, and the FC-FC single-mode single-core optical fiber line assembly).

Further, the first section optical transceiver 409 includes a twelfth port (optical fiber interface) connected to a corresponding twelfth external port 410 (m, N) in the "first section optical transceiver" region on the test bed panel through a twelfth connection line (FC-FC single-mode single-core optical fiber line assembly). The thirteenth port of the second zone optical transceiver 411 includes an optical fiber interface, a BNC interface, and a terminal interface, and is connected to a corresponding thirteenth external port 412 (n, O, P) in the "second zone optical transceiver" region on the test bed panel through a thirteenth connection line (FC-FC single-mode single-core optical fiber line assembly, video connection line assembly, and terminal connection line assembly).

It should be noted that the encoder 401, the sound collector 405, the central office 407, the first block optical transceiver 409 and the second block optical transceiver 411 share a set of power, i.e., a fourth set of power 414 (XS 7), and the fourth set of power 414 is electrically connected to the third internal power socket 116 through a fourth set of power wires 413, i.e., the third internal power socket 116 supplies power to the encoder 401, the sound collector 405, the central office 407, the first block optical transceiver 409 and the second block optical transceiver 411.

In order to introduce more clearly the embodiment of the present invention provides a video equipment comprehensive test bench, fig. 7 is the embodiment of the present invention provides a video equipment comprehensive test bench test principle structure schematic diagram, and the following combines fig. 7 to introduce the use method of this video equipment in detail.

The test principle shown in fig. 7 is that a video device to be tested is replaced and accessed into a next drawing system by using a direct replacement method, and then whether the function of the tested device is good or bad is judged by observing whether the whole system is normal.

1. Preparation before testing

And the test bench is electrified to regulate the voltage and the current on the direct-current stabilized power supply to the minimum in a counterclockwise way. And closing an air switch of the first power supply control main switch, and pressing a power supply on button of the test bed panel. If the lighting is needed, the button of the panel lighting lamp of the test bed is pressed. The first industrial personal computer switch and the second industrial personal computer switch are respectively pressed in the first industrial personal computer area and the second industrial personal computer area, the first industrial personal computer is correspondingly connected with the first displayer, and the second industrial personal computer is correspondingly connected with the second displayer.

2. Encoder testing

a) Inserting a power cord plug end of a tested encoder into an AC220V socket on a panel of the test bed;

b) Connecting the network port of the tested encoder and the network port of the panel 'switch' of the test bed together by using a network cable test line;

c) A video test line is used for connecting a BNC port of a tested encoder with a BNC port of a panel 'pickup' of the test bed;

d) Connecting a BNC port and a control port of an encoder to be tested with a BNC port and a control port of a first transmitting optical transceiver of a test bed panel by using a video connecting wire;

e) Connecting the optical fiber port of the first transmitting optical transceiver of the test bed panel and the optical fiber port of the first receiving optical transceiver of the test bed panel together by using an optical fiber connecting wire;

f) Connecting a BNC port and a control port of a first receiving optical transceiver of a test bed panel and a BNC port and a control port of a ball machine of the test bed together by using a video short-circuit wire;

g) Closing an air switch of an output power supply of a test bed panel, pressing a switch button of a tested encoder, and after the encoder is preheated for 5 minutes, if signals of a pickup and a ball machine can be normally received on the industrial personal computer A, the tested encoder is normal in function; otherwise, it is abnormal.

3. Optical transmitter and receiver test

a) Inserting the power line plug end of the tested optical transceiver to an AC220V socket on a panel of the test bed;

b) Connecting the network port of the encoder of the test bed panel and the network port of the switchboard of the test bed panel together by using a network cable short-circuit wire;

c) A BNC port of an encoder of the test bed panel and a BNC port of a pickup of the test bed panel are connected together by using a video short-circuit wire;

d) Connecting a BNC port and a control port of an encoder of a test bed panel with a BNC port and a control port of an optical transceiver to be tested by using a video connecting line;

e) Connecting the optical fiber port of the tested optical transceiver with the optical fiber port of the first receiving optical transceiver of the test bed panel by using an optical fiber connecting wire;

g) Closing an air switch of an output power supply of a panel of the test bed, pressing a switch button of the tested optical transceiver, and after the optical transceiver is preheated for 5 minutes, if signals of a sound pickup and a ball machine can be normally received on the industrial personal computer A, the function of the tested optical transceiver is normal; otherwise, it is abnormal.

4. Ball machine test

a) The power line plug end of the ball machine to be tested is plugged into a ball machine power socket on a test bed panel;

d) Connecting a BNC port and a control port of an encoder of the test bed panel and a BNC port and a control port of a first transmitting optical transceiver of the test bed panel together by using a video connecting wire;

f) A video short-circuit wire is used for connecting a BNC port and a control port of a first receiving optical transceiver of a test bed panel and a BNC port and a control port of a ball machine to be tested together;

g) Turning on a power switch of the ball machine to be tested, and after the ball machine is preheated for 5 minutes, if the signal of the ball machine to be tested can be normally received on the industrial personal computer A, the function of the ball machine to be tested is normal; otherwise, it is abnormal.

5. Sound pick-up test

a) The power line plug end of the tested pickup is plugged into an AC220V socket on a panel of the test bed;

c) Connecting a BNC port of an encoder of a test bed panel and a BNC port of a tested pickup by using a video test line;

d) Closing an air switch of an 'output power supply' of a test bed panel, opening a power supply switch of a tested sound pick-up, and after the sound pick-up is preheated for 5 minutes, if a signal of the tested sound pick-up can be normally received on the industrial personal computer A, indicating that the tested sound pick-up is normal in function; otherwise, it is abnormal.

6. Throat machine test

a) Inserting the power line plug end of the throat machine to be tested into an 'AC 220V' socket on a panel of the test bed;

b) The network port of the encoder of the test bed panel and the network port of the switchboard of the test bed panel are connected together by using a network cable short-circuit wire;

c) Connecting a BNC port and a control port of an encoder of the test bed panel and a BNC port and a control port of a first transmitting optical transceiver of the test bed panel together by using a video connecting wire;

d) Connecting the optical fiber port of the first transmitting optical transceiver of the test bed panel and the optical fiber port of the first receiving optical transceiver of the test bed panel together by using an optical fiber connecting wire;

e) Connecting a BNC port and a control port of a first receiving optical transceiver of a test bed panel and a BNC port and a control port of a tested throat machine together by using a video short-circuit wire;

f) Closing an air switch of an output power supply of a test bed panel, opening a power supply switch of the throat machine to be tested, and after the throat machine is preheated for 5 minutes, if a signal of the throat machine to be tested can be normally received on the industrial personal computer A, the function of the throat machine to be tested is normal; otherwise, it is abnormal.

7. Local side machine testing

a) Inserting the power line plug end of the tested local terminal machine to an AC220V socket on a panel of the test bed; connecting the zone tripod head power supply with normal function to the test bed panel "

c) Connecting the network port of the local side machine to be tested with the network port of the panel 'switch' of the test bed by using a network test line;

d) Connecting a BNC port and a control port of an encoder of a test bed panel with a BNC port and a control port of a local-side unit to be tested by using a video connecting line;

e) Connecting the optical fiber port of the tested local terminal machine and the optical fiber port of the first interval optical terminal machine of the test bed panel together by using an optical fiber connecting wire;

f) Connecting an optical fiber port of an interval optical transceiver A of a test bed panel and an optical fiber port of a second interval optical transceiver of the test bed panel together by using an optical fiber short-circuit wire;

g) Connecting a BNC port and a control port of a first receiving optical transceiver of a test bed panel with a BNC port and a control port of an interval pan head and an interval cloud gun with complete work functions together by using a video short-circuit wire;

h) Closing an air switch of an 'output power supply' on a panel of the test bed, pressing a switch button of a tested local side machine, and after the local side machine is preheated for 5 minutes, if a signal of an 'interval cloud gun' can be normally received on the industrial personal computer A and an interval cloud platform can normally work, indicating that the function of the tested local side machine is normal; otherwise, it is abnormal.

8. Interval optical transmitter and receiver testing

a) Inserting a power line plug end of the optical transceiver in a tested interval onto an AC220V socket on a panel of the test bed;

d) Connecting a BNC port and a control port of an encoder of the test bed panel and a BNC port and a control port of a local-side unit of the test bed panel together by using a video connecting line;

e) Connecting the optical fiber port of the local terminal machine of the test bed panel and the optical fiber port of the tested interval optical terminal machine together by using an optical fiber connecting wire;

f) Connecting the optical fiber port of the tested section optical transceiver with the optical fiber port of the first section optical transceiver on the test bed panel by using an optical fiber short-circuit wire;

g) Connecting a BNC port and a control port of a first receiving optical transceiver of a test bed panel with a BNC port and a control port of an interval pan head and an interval cloud gun with complete functions together by using a video short-circuit wire;

h) Closing an air switch of an output power supply of a panel of the test bed, pressing a switch button of the optical transceiver in the tested interval, and after the optical transceiver in the interval is preheated for 5 minutes, if a signal of an interval cloud gun can be normally received on the industrial personal computer A and the interval cloud platform can normally work, the optical transceiver in the tested interval is normal in function; otherwise, it is abnormal.

9. Interval cloud platform and interval cloud gun test

a) Connecting a cradle head power supply of a tested interval to a 'cradle head power supply' of a test bed panel;

d) A video connecting line is used for connecting a BNC port and a control port of an encoder of the test bed panel with a BNC port and a control port of a local terminal of the test bed panel;

e) Connecting the optical fiber port of the local terminal machine of the test bed panel and the optical fiber port of the first interval optical terminal machine of the test bed panel together by using an optical fiber connecting wire;

g) Connecting a BNC port and a control port of a first receiving optical transceiver of a test bed panel and a BNC port and a control port of a tested interval pan head and an interval cloud gun together by using a video short-circuit wire;

h) Opening a switch button of a tested interval cloud platform and an interval cloud gun, after preheating for 5 minutes, if a signal of an interval cloud gun can be normally received on the industrial personal computer A and the interval cloud platform can normally work, the functions of the tested interval cloud platform and the interval cloud gun are normal; otherwise, it is abnormal.

To sum up, the embodiment of the present invention provides a video device comprehensive test bed, wherein the L-end of the power inlet of the test bed is electrically connected to the first input end of the first contactor through the first power control main switch and the L-end of the first power socket; the N end of the first contactor is electrically connected with the second input end of the first contactor through the N end of the first power socket; a first output end and a second output end of the first contactor are electrically connected with a first input end and a second input end of the isolation transformer respectively; the first output end of the isolation transformer is electrically connected with the L end of the second power socket, the second power control main switch, the L end of the third power socket and the L end of the power transformer; the second output end of the isolation transformer is electrically connected with the N end of the second power socket, the N end of the third power socket and the N end of the power transformer; the output end of the first power socket is electrically connected with any one or more of the first industrial personal computer, the second industrial personal computer, the first display, the second display and the interactive machine and used for providing power; the output end of the second power socket is electrically connected with any one or more groups of the first receiving optical transceiver, the second receiving optical transceiver and the third receiving optical transceiver or the first transmitting optical transceiver, the second transmitting optical transceiver and the third transmitting optical transceiver for providing power; the output end of the third power socket is electrically connected with any one or more of the encoder, the sound pick-up, the local side unit, the first interval optical transceiver and the second interval optical transceiver and is used for providing power; the first industrial personal computer comprises a first port, the second industrial personal computer comprises a second port, the switch comprises a third port, the first transmitting optical transceiver comprises a fourth port, the first receiving optical transceiver comprises a fifth port, the second receiving optical transceiver comprises a sixth port, the second transmitting optical transceiver comprises a seventh port, the third receiving optical transceiver comprises an eighth port, the third transmitting optical transceiver comprises a ninth port, the encoder comprises a tenth port, the local optical transceiver comprises an eleventh port, the first interval optical transceiver comprises a twelfth port, and the second interval optical transceiver comprises a thirteenth port. The test bed leads all interfaces of the equipment to the operation panel, can be flexibly replaced and adjusted, and can be used for detecting or performing functional tests on video equipment such as an encoder, an optical transceiver, a ball machine base, a ball machine, a throat machine, a local side machine, an interval optical transceiver, an interval pan-tilt interval gun, a sound pick-up and the like; the intelligent high-precision direct current excitation source is self-developed by adopting a digital power electronic technology and an integrated circuit design technology, the power supply has high regulation precision, the adjustable resolution is 0.05 percent, and the voltage regulation rate is less than 0.5 percent. The response time is short; all external conditions and detection tools which are needed to be used during maintenance can effectively and practically improve the detection efficiency; various power supplies adopt measures such as isolation, short-circuit protection and the like, so that the safety of operators and equipment can be effectively ensured; the working table type box body structure solves the problems that the conventional operating table is unreasonable in internal layout, poor in universality, low in internal space utilization rate and incapable of placing large/heavy equipment on the table top of the test table, and improves labor productivity; the human engineering principle is fully utilized, so that a user is more comfortable; the system can simply and conveniently test the performance of various devices, and can reduce and avoid the phenomenon that the field can not work normally due to the failure of the devices.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. Video equipment combined test platform which characterized in that includes:

the L end of the power inlet end of the test bed is electrically connected with the first input end of the first contactor through a first power control main switch and the L end of a first power socket; the N end of the first contactor is electrically connected with the second input end of the first contactor through the N end of the first power socket;

the output end of the third power socket is electrically connected with any one or more of the encoder, the sound pick-up, the local end machine, the first interval optical end machine and the second interval optical end machine and is used for providing power supply;

2. The video equipment comprehensive test bed of claim 1, wherein the first industrial personal computer comprises a first VGA interface connected with a first display and a first network port connected with a third network port of the switch; the second industrial personal computer comprises a second VGA interface connected with the second display and a second network port connected with a third network port of the switch;

the first industrial personal computer, the second industrial personal computer, the first display, the second display and the switch share one set of power supply.

3. The video equipment integrated test stand of claim 1, wherein the fourth port, the fifth port, the sixth port, the seventh port, the eighth port, and the ninth port each comprise a fiber interface, a BNC interface, and a terminal interface;

the first receiving optical transceiver, the second receiving optical transceiver and the third receiving optical transceiver share a group of power supplies;

the first transmitting optical transceiver, the second transmitting optical transceiver and the third transmitting optical transceiver share a group of power supplies.

4. The video equipment integrated test stand of claim 1, wherein said tenth port comprises a net port interface, a BNC interface, and a terminal interface; the eleventh port comprises a network interface, a BNC interface, a fiber interface and a terminal interface, the twelfth port comprises a fiber interface, and the thirteenth port comprises a fiber interface, a BNC interface and a terminal interface;

the encoder, the sound pick-up, the local side unit, the first interval optical transceiver and the second interval optical transceiver share one group of power supply.