A multifunctional distribution cabinet used in the reconstruction stage of rail communication equipment

Abstract

The present invention discloses a multifunctional distribution cabinet for rail communication equipment transformation stage, including a component placement rack arranged in the cabinet. The first and second layers at the bottom of the component placement rack are respectively installed with a terminal row; the third to eighth layers are installed with a lightning protection distribution base and a lightning protection module; the ninth and tenth layers are each installed with a row of inverted switches; the main debugging indicator light is installed on the lintel; the operating status indicator light and the debugging status indicator light are installed above the knob panel of each inverted switch; the input end of each inverted switch is respectively connected to the interface of the existing equipment and the positive pole of the indicator light power supply, one output end is respectively connected to the interface of the existing system and the positive pole of the operating status indicator light, the negative pole is connected to the negative pole of the indicator light power supply, the other output end is connected to the interface of the new system and the positive pole of the debugging status indicator light, and the negative pole is connected to the negative pole of the indicator light power supply through the main debugging indicator light. The present invention solves the problem of tight space in the machine room of existing equipment.

Description

Technical Field

[0001] The invention relates to a multifunctional distribution cabinet used in the reconstruction stage of rail communication equipment. Background Art

[0002] At present, the signal equipment in the parking lots of urban rail transit operating lines is limited in service life and the equipment is aging and needs to be updated. Therefore, many subway projects have entered the design stage of major renovation to ensure the normal operation of the subway. These major renovation projects all have a prominent problem. Many stations cannot provide new signal equipment rooms for the new system. They can only use the space in the existing old equipment room to insert the equipment of the new system. In order to ensure the normal operation of the existing system during the renovation, the existing outdoor equipment needs to be connected to the new system or the existing system through reverse connection. The universal test interface reverse connection cabinet currently on the market has many shortcomings in practical applications. The main shortcomings are: it exists as an independent cabinet and occupies the space of the equipment room; after the renovation is completed, the cable of the reverse connection cabinet needs to be removed and reconnected to the back-end cabinet, and the line calibration and other work need to be performed again; after the renovation is completed, the reverse connection cabinet needs to be removed. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a multifunctional distribution cabinet for use in the renovation stage of rail communication equipment, which integrates the functions of the inverted connection cabinet and the lightning protection distribution cabinet, thereby solving the problem of tight space in the existing equipment room.

[0004] The object of the present invention is achieved as follows: a multifunctional distribution cabinet for rail communication equipment modification stage, which is arranged in an existing equipment room and comprises a cabinet body and a component placement frame fixed in the cabinet body;

[0005] The component placement rack is a rectangular frame and is divided into ten layers from bottom to top. The first and second layers at the bottom are respectively equipped with a terminal block for connecting the interface of the new system, the interface of the existing system, the interface of the existing equipment and the power supply of the indicator light; the third to eighth layers are equipped with a lightning protection line base and a lightning protection module; the ninth and tenth layers are respectively equipped with a row of inverted switches;

[0006] A debugging general indicator light is installed on the lintel of the component placement rack;

[0007] An operation status indicator light and a debugging status indicator light are installed one by one on both sides above the knob panel of each inverted switch;

[0008] Each inverted switch has an input end and two output ends; the input end of each inverted switch is respectively connected to the interface of the existing outdoor equipment and the positive pole of the indicator light power supply, one output end of each inverted switch is respectively connected to the interface of the existing system and the positive pole of the corresponding operation status indicator light, and the other output end of each inverted switch is respectively connected to the interface of the new system and the positive pole of the corresponding debugging status indicator light;

[0009] The negative pole of the operating status indicator light corresponding to each inverted switch is connected to the negative pole of the indicator light power supply, the negative pole of the debugging status indicator light corresponding to each inverted switch is connected to the positive pole of the debugging master indicator light, and the negative pole of the debugging master indicator light is connected to the negative pole of the indicator light power supply;

[0010] A knife switch is arranged between the incoming line side and the outgoing line side of each wiring position on the wiring terminal block; every three adjacent wiring positions form a wiring unit, and the incoming line side of the left wiring position, the incoming line side of the middle wiring position and the incoming line side of the right wiring position of each wiring unit are respectively connected to an interface of an existing system, an interface of an existing device and an interface of a new system in a one-to-one correspondence through external wiring, and the outgoing line side of the left wiring position, the outgoing line side of the middle wiring position and the outgoing line side of the right wiring position of each wiring unit are respectively connected to an output end, an input end and another output end of a reverse switch in the cabinet in a one-to-one correspondence through internal wiring;

[0011] Two power wiring positions are also arranged on the terminal block; the incoming line side of one power wiring position is connected to the positive pole of the external indicator light power supply through two positive external wires, the outgoing line side of the power wiring position is connected to the input end of an inverting switch in the cabinet through two positive internal wires, and the input ends of the other inverting switches are connected to each other through positive wires; the incoming line side of another power wiring position is connected to the negative pole of the external indicator light power supply through two negative external wires, and the outgoing line side of the power wiring position is connected to the negative pole of the debugging main indicator light in the cabinet through two negative internal wires;

[0012] When the knobs of all the inverted switches are in the position corresponding to the operating status indicator light, the operating status indicator light is on and the debugging status indicator light is off, indicating that the existing system is working normally and the new system is not working;

[0013] When the knobs of all the inverted switches are in the position corresponding to the debugging status indicator, the debugging status indicator lights up and the operating status indicator goes out, indicating that the new system is being debugged and the existing system is not working;

[0014] When the knob of any inverted switch is located at a position corresponding to the debugging status indicator light, the debugging general indicator light is on;

[0015] When the knob of any reversing switch is at the position corresponding to the debugging status indicator light, if the reversing switch fails, first pull open the knife switch in each wiring unit on the wiring terminal block connected to the reversing switch, and then use a shorting piece to short-circuit the interface of the existing system with the interface of the existing equipment on the incoming line side of each wiring unit on the wiring terminal block connected to the reversing switch, so as to quickly restore the normal operation state of the existing system;

[0016] When the new system is officially put into operation and all the reverse switches need to be removed, first pull out the knife switches in each wiring unit on the terminal blocks connected to all the reverse switches, then use short-circuit pieces to short-circuit the interface of the new system with the interface of the existing equipment on the incoming line side of each wiring unit on the terminal blocks connected to all the reverse switches, then remove the wiring connected to all the reverse switches and the two rows of reverse switches, then remove the wiring connected to the existing system on the incoming line side of the two terminal blocks, and finally fill the ninth and tenth gaps on the component placement rack with blind plates.

[0017] The above-mentioned multifunctional distribution cabinet used in the renovation stage of rail communication equipment, wherein the number of inverted switches in each row is four; each inverted switch is connected to at most twelve groups of wires, that is, the input end of each inverted switch is connected to at most eleven interfaces of existing equipment and the positive pole of the indicator light power supply, one output end of each inverted switch is connected to at most eleven interfaces of existing systems and the positive pole of the corresponding operating status indicator light, and the other output end of each inverted switch is connected to at most eleven interfaces of new systems and the positive pole of the corresponding debugging status indicator light.

[0018] The above-mentioned multifunctional distribution cabinet used in the renovation stage of rail communication equipment, wherein the colors of the three external wirings of each wiring unit correspond one to one with the colors of the three internal wirings.

[0019] The multifunctional distribution cabinet used in the reconstruction stage of rail communication equipment of the present invention has the following characteristics:

[0020] 1) The functions of the reverse connection cabinet and the lightning protection distribution cabinet are integrated into one, and no additional reverse connection cabinet is required to occupy the space of the existing equipment room, which solves the problem of tight space in the existing equipment room and saves engineering costs;

[0021] 2) The present invention provides a debugging indicator light on the lintel of the component placement rack, which is convenient for the debugging personnel to quickly complete the confirmation of the reverse connection status, and convenient for the operation and maintenance personnel to intuitively record the status of the multi-functional distribution cabinet;

[0022] 3) The present invention provides a function of quickly throwing off the fault reversing switch to reduce the impact on normal operation;

[0023] 4) The present invention provides a convenient way to remove the reverse connection function, which greatly reduces the workload of dismantling and alignment for the complete transition to a new system, and provides great convenience for the implementation of rail communication equipment renovation projects.

[0024] 5) The present invention reduces the workload of transitioning from an existing system to a new system. The design update can be completed by simply deleting the inverted switches and wiring that need to be removed and adding short connections between the new system and the existing equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is an internal front view of the multifunctional wiring cabinet of the present invention;

[0026] Figure 2 This is an internal rear view of the multifunctional wiring cabinet of the present invention;

[0027] Figure 3 is a front view of a single inversion switch of the present invention;

[0028] Figure 4 It is a wiring schematic diagram of a single inverted switch of the present invention;

[0029] Figure 5 It is a wiring diagram of a single wiring unit and an inverted switch on a wiring terminal block of the present invention;

[0030] Figure 6 A schematic diagram of a quick handling method for a faulty reverse switch;

[0031] Figure 7 Schematic diagram of the dismantling of the reverse connection function for the official operation of the new system. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] See also Figures 1 to 7 The multifunctional distribution cabinet for rail communication equipment renovation stage of the present invention is arranged in an existing equipment room and includes a cabinet body (not shown) and a component placement rack 100 fixed in the cabinet body.

[0034] The component placement rack 100 is a rectangular frame and is divided into ten layers of spaces from bottom to top through nine horizontal bars. The first layer of space 1 and the second layer of space 2 at the bottom are respectively installed with a terminal block 20 for connecting the interface 200 of the new system, the interface 300 of the existing system, the interface 400 of the existing equipment and the indicator light power supply, and the indicator light power supply adopts a 24V DC power supply; the third layer of space 2 to the eighth layer of space 8 are installed with the existing lightning protection branch line base and lightning protection module; the ninth layer of space 9 and the tenth layer of space 10 at the top are respectively installed with a row of inverted switches 30; the number of inverted switches 30 in each row is four; a total debugging indicator light 11 (see Figure 1 and Figure 2 ). This arrangement can reduce the space occupied by the existing equipment room, save equipment room space for installing other equipment, and provide convenience for the overall renovation construction.

[0035] An operating status indicator light 31 and a debugging status indicator light 32 are installed on the left and right sides of the knob panel above each inversion switch 30 in a one-to-one correspondence; the operating status indicator light 31 and the debugging status indicator light 32 are used to indicate the power-on position of the corresponding inversion switch 30 (see Figure 3 ); the operating status indicator light 31 and the debugging status indicator light 32 may adopt different colors, such as the operating status indicator light 31 may be green, the debugging status indicator light 32 is yellow, but the color of the total debugging indicator light 11 is the same as the color of the debugging status indicator light 32.

[0036] Each reversing switch 30 has an input end and two output ends; the input end of each reversing switch 30 is respectively connected to the interface 400 of the existing outdoor equipment and the positive pole of the indicator light power supply, one output end of each reversing switch 30 is respectively connected to the interface 300 of the existing system and the positive pole of the corresponding operation status indicator light 31, and the other output end of each reversing switch 30 is respectively connected to the interface 200 of the new system and the positive pole of the corresponding debugging status indicator light 32;

[0037] Each reversing switch 30 is connected to at most twelve groups of lines, that is, the input end of each reversing switch 30 is connected to at most eleven interfaces 400 of existing devices and the positive pole of the indicator light power supply, one output end of each reversing switch 30 is connected to at most eleven interfaces 300 of existing systems and the positive poles of the corresponding operating status indicators 31, and the other output end of each reversing switch 30 is connected to at most eleven interfaces 200 of new systems and the positive poles of the corresponding debugging status indicators 32 (see Figure 4 ).

[0038] The negative pole of the operating status indicator light 31 corresponding to each inverted switch 30 is connected to the negative pole of the indicator light power supply, and the negative pole of the debugging status indicator light 32 corresponding to each inverted switch 30 is connected to the positive pole of the debugging main indicator light 11, and the negative pole of the debugging main indicator light 11 is connected to the negative pole of the indicator light power supply.

[0039] A knife switch 20A is arranged between the incoming side and the outgoing side of each wiring position on the terminal block 20, for connecting or disconnecting the input and output; every three adjacent wiring positions form a wiring unit, and every eleven adjacent wiring units form a wiring area; the wiring setting of each wiring unit is consistent with the knob position of the inverted switch 30, that is, the incoming side of the left wiring position, the incoming side of the middle wiring position and the incoming side of the right wiring position of each wiring unit are respectively connected to an interface 300 of an existing system, an interface 400 of an existing device and an interface 200 of a new system through external wiring, and the outgoing side of the left wiring position, the outgoing side of the middle wiring position and the outgoing side of the right wiring position of each wiring unit are respectively connected to an output end, an input end and another output end of an inverted switch 30 in the cabinet through internal wiring.

[0040] Two power wiring positions are also provided on the terminal block 20 (the total wiring positions of the two terminal blocks 20 are at least 3×11×8=264+2 power wiring positions=266). The incoming line side of one power wiring position is connected to the positive pole of the external indicator light power supply through two positive external wires, and the outgoing line side of the power wiring position is connected to the input end of a reversing switch 30 in the cabinet through two positive internal wires, and the input ends of the remaining reversing switches 30 are interconnected through positive wires; the incoming line side of the other power wiring position is connected to the negative pole of the external indicator light power supply through two negative external wires, and the outgoing line side of the power wiring position is connected to the negative pole of the debugging main indicator light 11 in the cabinet through two negative internal wires. The colors of the two positive external wires are consistent with the colors of the two positive internal wires; the colors of the two negative external wires are consistent with the colors of the two negative internal wires. When any positive external wire or negative external wire is broken, all indicator lights can still work normally (see Figure 5 ).

[0041] The incoming side of the left wiring position, the incoming side of the middle wiring position and the incoming side of the right wiring position of each wiring unit respectively use wiring of different colors, and the colors of the three wirings used on the outgoing side of the left wiring position, the outgoing side of the middle wiring position and the outgoing side of the right wiring position correspond one to one with the colors of the wiring on the incoming side of the left wiring position, the incoming side of the middle wiring position and the incoming side of the right wiring position. For example, the wiring between the interface 200 connected to the new system and the incoming side of the right wiring position uses yellow, which is the same color as the debugging status indicator 32; the wiring between the interface 300 connected to the existing system and the incoming side of the left wiring position uses green, which is the same color as the operating status indicator 31; the wiring between the interface 400 connected to the existing equipment and the incoming side of the middle wiring position uses dark blue; the color of the positive external wire and the color of the negative external wire are both light blue or red, which is convenient for operators to calibrate and troubleshoot.

[0042] When the knobs of all the inverted switches 30 are located at positions corresponding to the operating status indicator lights 31, the operating status indicator lights 31 are on and the debugging status indicator lights 32 are off, indicating that the existing system 300 is working normally and the new system 200 is not working.

[0043] When the knobs of all the inverted switches 30 are located at positions corresponding to the debugging status indicator lights 32, the debugging status indicator lights 32 are on, and the operating status indicator lights 31 are off, indicating that the new system is being debugged and the existing system is not working.

[0044] When the knob of any inverted switch 30 is in the position corresponding to the debugging status indicator light 32, the total debugging indicator light 11 lights up to indicate that the distribution cabinet is currently in the debugging state, which is convenient for operation and maintenance personnel to intuitively inspect the equipment status, and also convenient for debugging personnel to confirm whether to switch to the existing system after completing the debugging work.

[0045] When the knob of any reversing switch 30 is located at the position corresponding to the debugging status indicator light 32, if the reversing switch 30 fails, first open the knife switch 20A in each wiring unit on the wiring terminal block 20 connected to the reversing switch 30, and then use the shorting piece 40 to short-circuit the interface 300 of the existing system and the interface 400 of the existing device on the incoming line side of each wiring unit on the wiring terminal block 20 connected to the reversing switch 30 (see Figure 6 ) to quickly restore the normal operation of the existing system, and replace the faulty reversing switch at night. This fault handling method is simple to operate, effectively reduces the impact of the faulty reversing switch on normal operation, and facilitates operation and maintenance personnel to quickly handle the fault.

[0046] When the new system 200 is officially put into operation and all the reverse switches 30 are to be removed, the knife switches 20A in each wiring unit on the wiring terminal block 20 connected to all the reverse switches 30 are first opened, and then the shorting piece 40 is used to short-circuit the interface 200 of the new system with the interface 400 of the existing equipment on the incoming line side of each wiring unit on the wiring terminal block 20 connected to all the reverse switches 30 (see Figure 7 ), then remove the wiring connected to all the reverse switches 30 and two rows of reverse switches 30, then remove the wiring connected to the interface 300 of the existing system on the incoming side of the terminal block 20, and finally fill the ninth-layer gap 9 and the tenth-layer gap 10 of the component placement rack 100 with blind plates. The entire demolition is carried out in the lightning protection distribution cabinet to avoid affecting the equipment and wiring outside the cabinet; the demolition work can be carried out in sections, and the demolition work can be reasonably arranged according to the time of the skylight point; the advantage of a separate reverse cabinet is that there is no need to remove and move the wiring connected to the new system, so there is no need to calibrate the line, which greatly reduces the amount of work to remove the reverse function and provides implementation convenience for the complete transition to the new system.

[0047] The multifunctional branching cabinet used in the renovation stage of rail communication equipment of the present invention integrates the functions of the reverse connection cabinet and the lightning protection branching cabinet, and does not require an additional reverse connection cabinet to occupy the space of the existing equipment room, thereby solving the problem of space shortage in the existing equipment room and saving engineering costs; the present invention sets a total debugging indicator light on the lintel of the component placement rack, which is convenient for debugging personnel to quickly complete the confirmation of the reverse connection state and convenient for operation and maintenance personnel to intuitively record the state of the multifunctional branching cabinet; the present invention provides a function of quickly throwing away the fault reverse connection switch to reduce the impact on normal operation; the present invention provides a convenient way to remove the reverse connection function, which greatly reduces the workload of dismantling and calibrating the line for the complete transition to the new system, and provides great implementation convenience for the rail communication equipment renovation project; the present invention reduces the workload of transitioning from the existing system to the new system, and only needs to delete the reverse connection switch and wiring to be removed, and add a short connection line between the new system and the existing equipment to complete the design update.

[0048] The above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Those skilled in the relevant technical field may make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also belong to the scope of the present invention and should be defined by the claims.

Claims

1. A multifunctional distribution cabinet for rail communication equipment renovation, which is installed in an existing equipment room and includes a cabinet body and a component placement rack fixed in the cabinet body; characterized in that: The component placement rack is a rectangular frame and is divided into ten layers from bottom to top. The first and second layers at the bottom are respectively equipped with a terminal block for connecting the interface of the new system, the interface of the existing system, the interface of the existing equipment and the power supply of the indicator light; the third to eighth layers are equipped with a lightning protection line base and a lightning protection module; the ninth and tenth layers are respectively equipped with a row of inverted switches; A debugging general indicator light is installed on the lintel of the component placement rack; An operation status indicator light and a debugging status indicator light are installed one by one on both sides above the knob panel of each inverted switch; Each inverted switch has an input end and two output ends; the input end of each inverted switch is respectively connected to the interface of the existing outdoor equipment and the positive pole of the indicator light power supply, one output end of each inverted switch is respectively connected to the interface of the existing system and the positive pole of the corresponding operation status indicator light, and the other output end of each inverted switch is respectively connected to the interface of the new system and the positive pole of the corresponding debugging status indicator light; The negative pole of the operating status indicator light corresponding to each inverted switch is connected to the negative pole of the indicator light power supply, the negative pole of the debugging status indicator light corresponding to each inverted switch is connected to the positive pole of the debugging master indicator light, and the negative pole of the debugging master indicator light is connected to the negative pole of the indicator light power supply; A knife switch is arranged between the incoming line side and the outgoing line side of each wiring position on the wiring terminal block; every three adjacent wiring positions form a wiring unit, and the incoming line side of the left wiring position, the incoming line side of the middle wiring position and the incoming line side of the right wiring position of each wiring unit are respectively connected to an interface of an existing system, an interface of an existing device and an interface of a new system in a one-to-one correspondence through external wiring, and the outgoing line side of the left wiring position, the outgoing line side of the middle wiring position and the outgoing line side of the right wiring position of each wiring unit are respectively connected to an output end, an input end and another output end of a reverse switch in the cabinet in a one-to-one correspondence through internal wiring; Two power wiring positions are also arranged on the terminal block; the incoming line side of one power wiring position is connected to the positive pole of the external indicator light power supply through two positive external wires, the outgoing line side of the power wiring position is connected to the input end of an inverting switch in the cabinet through two positive internal wires, and the input ends of the other inverting switches are connected to each other through positive wires; the incoming line side of another power wiring position is connected to the negative pole of the external indicator light power supply through two negative external wires, and the outgoing line side of the power wiring position is connected to the negative pole of the debugging main indicator light in the cabinet through two negative internal wires; When the knobs of all the inverted switches are in the position corresponding to the operating status indicator light, the operating status indicator light is on and the debugging status indicator light is off, indicating that the existing system is working normally and the new system is not working; When the knobs of all the inverted switches are in the position corresponding to the debugging status indicator, the debugging status indicator lights up and the operating status indicator goes out, indicating that the new system is being debugged and the existing system is not working; When the knob of any inverted switch is located at a position corresponding to the debugging status indicator light, the debugging general indicator light is on; When the knob of any reversing switch is at the position corresponding to the debugging status indicator light, if the reversing switch fails, first pull open the knife switch in each wiring unit on the wiring terminal block connected to the reversing switch, and then use a shorting piece to short-circuit the interface of the existing system with the interface of the existing equipment on the incoming line side of each wiring unit on the wiring terminal block connected to the reversing switch, so as to quickly restore the normal operation state of the existing system; When the new system is officially put into operation and all the reverse switches need to be removed, first pull out the knife switches in each wiring unit on the terminal blocks connected to all the reverse switches, then use short-circuit pieces to short-circuit the interface of the new system with the interface of the existing equipment on the incoming line side of each wiring unit on the terminal blocks connected to all the reverse switches, then remove the wiring connected to all the reverse switches and the two rows of reverse switches, then remove the wiring connected to the existing system on the incoming line side of the two terminal blocks, and finally fill the ninth and tenth gaps on the component placement rack with blind plates.

2. The multifunctional distribution cabinet for the railway communication equipment reconstruction stage according to claim 1 is characterized in that: There are four reverse switches in each row; each reverse switch is connected to at most twelve groups of wires, that is, the input end of each reverse switch is connected to at most eleven interfaces of existing equipment and the positive pole of the indicator light power supply, one output end of each reverse switch is connected to at most eleven interfaces of existing systems and the positive pole of the corresponding operation status indicator light, and the other output end of each reverse switch is connected to at most eleven interfaces of new systems and the positive pole of the corresponding debugging status indicator light.

3. The multifunctional distribution cabinet for rail communication equipment reconstruction according to claim 1 is characterized in that: The colors of the three external wirings of each wiring unit correspond one to one with the colors of the three internal wirings.

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