CN217116643U - Subway network control system - Google Patents
Subway network control system Download PDFInfo
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- CN217116643U CN217116643U CN202220606257.1U CN202220606257U CN217116643U CN 217116643 U CN217116643 U CN 217116643U CN 202220606257 U CN202220606257 U CN 202220606257U CN 217116643 U CN217116643 U CN 217116643U
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Abstract
The utility model discloses a subway network control system, which comprises a central control unit arranged in a first case with case length of 44 TE; the safety recorder comprises an input/output unit, an ENC switch unit, a POE switch unit, a vehicle-ground wireless transmitter unit and a safety recorder unit which are arranged in a second case with the case length of 84TE, wherein one end of the first case is provided with a first board card mounting port, and the first board card mounting port is provided with a first board card mounting plate which is provided with a mounting hole every 2TE in the length direction; one end of the second case is provided with a second board card mounting opening, and the second board card mounting opening is provided with a second board card mounting plate with one mounting hole processed every 2TE interval along the length direction. The utility model discloses a subway network control system sets unified standard owing to the quick-witted case with different equipment among the subway network control system, consequently need not process the quick-witted case of multiple size, has reduced the processing cost.
Description
Technical Field
The utility model relates to an regard as the communication technology in vehicle level and the vehicle with on-vehicle industry ethernet, especially relate to subway network control system.
Background
At present, the subway network control system products mainly comprise a central control unit, an input and output unit, an ECN (electronic communications network) switch, a POE (power over Ethernet) switch, a train-ground wireless transmission unit, a safety recording unit and the like, wherein different equipment units are arranged in different machine cases, and the sizes of the different machine cases are different and cannot be unified.
Therefore, the types of the current subway equipment are fixed, but the sizes are various, and some functions can simultaneously exist in the same chassis, or some function modules can be added for improving the performance of the subway product, but unnecessary redundant designs can be caused because the space problem cannot be realized and a standardized system type is not formed, and resources are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a subway network control system has solved current subway network control system and has needed the quick-witted case of multiple size to cause the increase of processing cost and the waste of resource.
The utility model discloses a technical means as follows:
a subway network control system comprises a central control unit, a man-machine interface unit, an input/output unit, an ENC switch unit, a POE switch unit, a vehicle-ground wireless transmitter unit, a vehicle-ground wireless transmission antenna unit and a safety recorder unit;
the central control unit is arranged in a first case with the case length of 44 TE;
the input and output unit, the ENC switch unit, the POE switch unit, the train-ground wireless transmitter unit and the safety recorder unit are respectively arranged in a second case with the length of 84TE corresponding to each case;
a first board mounting opening is formed in one end of the first case, two first board mounting plates which are arranged oppositely are arranged at the first board mounting opening along the length direction, and mounting holes are formed in the first board mounting plates at intervals of 2TE along the length direction;
the one end of second machine case is equipped with the second integrated circuit board installing port, second integrated circuit board installing port department is equipped with the second integrated circuit board mounting panel of two relative settings along length direction, every interval 2TE along length direction is equipped with a mounting hole on the second integrated circuit board mounting panel.
Furthermore, the safety recorder unit comprises at least one power board card, a main control unit, a data recording unit, a switch board card, a digital input board card and an analog input/output board card which are sequentially arranged in the second case.
Compared with the prior art, the utility model discloses a subway network control system has following beneficial effect: because the chassis of different equipment in the subway network control system is set to be the unified standard, the chassis with various sizes does not need to be processed, the processing cost is reduced, and meanwhile, certain functional modules can be conveniently added when the performance of the subway products is improved.
Drawings
Fig. 1 is a front view of a central control unit in the subway network control system disclosed by the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is an axial view of a central control unit of the present disclosure;
fig. 5 is a front view of an input/output unit disclosed in the present invention;
fig. 6 is an axial view of an input-output unit of the present disclosure;
fig. 7 is a front view of an ENC switch unit of the present disclosure;
fig. 8 is an axial view of an ENC switch unit of the present disclosure;
fig. 9 is a front view of the POE switch unit disclosed in the present invention;
fig. 10 is an axial view of the POE switch unit of the present invention;
fig. 11 is a front view of the train-ground wireless transmitter unit disclosed by the present invention;
fig. 12 is an axial view of a vehicle-ground wireless transmitter unit disclosed in the present invention;
fig. 13 is a front view of a safety recorder unit of the present disclosure;
fig. 14 is an axial view of a safety recorder unit of the present disclosure;
FIG. 15 is a front view of a human interface unit as disclosed in the present invention;
fig. 16 is an axial view of a human interface unit according to the present disclosure.
Detailed Description
The serialized standard subway adopts a whole-vehicle ring Ethernet topology structure, and the configuration of a main case can be seen in the following table 1.
TABLE 1 System configuration of serialized Standard Metro
Tc represents a trailer with cab; MP represents a motor car with a pantograph; m1 denotes a motor car; m2 denotes a motor car.
Namely, a standardized subway needs to be configured with 2 groups of central control units, 2 groups of man-machine interface units, 8 groups of input and output units, 6 groups of ENC switch units, 6 groups of POE switch units, 2 groups of train-ground wireless transmitter units, 2 groups of train-ground wireless transmission antenna units and 1 group of safety recorder units.
The utility model discloses a subway network control system, including central control unit 1, man-machine interface unit 2, input/output unit 3, ENC switch unit 4, POE switch unit 5, train-ground wireless transmitter unit 6, train-ground wireless transmission antenna unit and safety recorder unit 8;
the central control unit 1 is arranged in a first case 90 with a case length of 44 TE;
the input and output unit 3, the ENC switch unit 4, the POE switch unit 5, the vehicle-ground wireless transmitter unit 6, and the safety recorder unit 8 are respectively disposed in second enclosures with respective corresponding enclosure lengths of 84 TE;
a first board mounting port 95 is formed in one end of the first case 90, two first board mounting plates 97 which are arranged oppositely are arranged at the first board mounting port 95 along the length direction, and mounting holes are formed in the first board mounting plates 97 at intervals of 2TE along the length direction;
one end of second machine case 91 is equipped with second integrated circuit board installing port 96, second integrated circuit board installing port 96 department is equipped with two second integrated circuit board mounting panels 98 that set up relatively along length direction, every interval 2TE is equipped with a mounting hole along length direction on the second integrated circuit board mounting panel 98.
The utility model discloses a subway network control system is owing to set the quick-witted case of different equipment to unified standard among the subway network control system, consequently need not process the quick-witted case of multiple size, has reduced the processing cost, also is convenient for simultaneously to the subway product can be convenient when promoting some functional module of increase.
Preferably, the utility model discloses an each unit adopts following mode to arrange among the subway network control system: 1. if the power supply board card is used for supplying power to other board cards of the chassis, the power supply board card is arranged from the rightmost side of the chassis; 2. functional (gateway, processor, IO, switch, etc.) boards are arranged from the left side of the chassis, and special communication boards (such as MVB boards, independent ethernet boards, repeater boards, etc.) are generally arranged from the leftmost side; 3. the width of the board card generally takes 2TE as a basic unit, and the minimum width is not less than 4TE, such as: 4TE, 6TE, 8TE, 12TE, 16TE, 32TE, 42TE, etc.
Further, a first handle flange 93 is further fixed on two sides of the first chassis 90, where the first board mounting opening 95 is provided; and second handle flanges 94 are further fixed on two sides of the second case 91, which are provided with the second board card mounting openings 96, and the second case can be conveniently carried and mounted by virtue of the handle flanges.
Further, all be equipped with earth bolt on first handle flange with the second handle flange to ground protection is carried out. As shown in fig. 15 and 16, a man-machine interface unit.
Further, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the central control unit 1 includes at least one power supply board card 10, a central control unit board card 11, and a data recording unit board card 12, the power supply board card 10 is installed from the right side of the first chassis 90 in sequence, the central control unit board card 11 and the data recording unit board card 12 are installed from the left side of the first chassis 90 in sequence, and in this embodiment, there are two power supply board cards.
Specifically, the hardware platform of the central control unit reaches SIL2 level, and the control unit has the functions of bus management, equipment state monitoring, functional logic control, fault diagnosis and the like, and can realize the functions of traction brake control, direction control, speed control and the like of the vehicle. When communication faults of the bus or the network equipment are detected, corresponding fault diagnosis information or fault guiding safety can be prompted, the central control unit is installed in a first case, the first case is a 3U case, the length of the case is 44TE, and the depth of the case meets the maximum size of 250mm (without a handle). The ground bolts 99 (one on each side) are provided outside the first handle flange 93, and M5 are threaded through holes with ground bolts.
The performance parameters of the central control unit are shown in table 2:
TABLE 2 Performance parameters Table for Central control Unit
Table 3 shows the screen printing of the interface of the central control unit:
TABLE 3 interface screen printing of central control unit
The electrical interface parameters of the central control unit are as follows:
power supply connector
Both the equipment side and the cable side employ a metric 25-core connector (25W3), and the cable-side connector is provided by the equipment manufacturer. Power connector pin definition:
TABLE 4 Central control Unit Power connector Pin definition
Connector match line footpath: the address line (pin number 1-22) is 0.5mm 2 The power line (pin number A1-A3) is 1.5mm 2 。
Ethernet connector
The equipment side and the cable side both adopt M12 connectors (D-Code), the equipment side is female, and the cable side is male.
TABLE 5 Ethernet connector definition for a central control unit
| Pin number | Signal name | Signal definition |
| 1 | Transmit data + | |
| 2 | Receive data + | |
| 3 | Sending data- | TXD- |
| 4 | Receiving data- | RXD- |
Connector match line footpath: CAT5e-AWG20 or CAT5e-AWG 22.
MVB connector
Both the equipment side and the cable side adopt DB9 metric M3 connectors, and the cable side connectors are provided by equipment manufacturers.
TABLE 6 MVB connector definition for the Central control Unit
| Pin number | Signal name | Signal definition |
| 1 | Way A is just | A/ |
| 2 | Negative way A | A/ |
| 3 | -- | |
| 4 | Way B is right | B/ |
| 5 | Negative way B | B/Data N |
| 6 | -- | NC |
| 7 | -- | NC |
| 8 | -- | NC |
| 9 | -- | NC |
Connector match line footpath: CAT5e-AWG 20.
Further, as shown in fig. 5 and 6, the input/output unit 3 includes at least one power board card 30, an ethernet interaction board card 31, a secure digital input/output board card, a digital output board card, a universal digital input/output board card, a digital output board card, and an analog input/output board card, which are sequentially disposed in the second chassis 91, where different input/output board cards are all represented by reference numeral 32, and the number and arrangement positions of the different board cards may be set as required.
And the input and output unit is arranged in the second case, reaches SIL2 level and is used for acquiring various digital quantity and analog quantity signals of the train and outputting control signals. Each input/output unit (IOM chassis) can carry out corresponding board card configuration according to the difference of the signal quantity of DI, DO, AI and AO (digital input, digital output, analog input and analog output) of the vehicle, and the voltage and current range can be correspondingly configured according to the change requirement of the load so as to meet the integral design requirement of the vehicle. The second case adopts a 3U case, the length of the case is 84TE, and the depth meets the maximum size of 250mm (without a handle). The grounding bolts (one on the left and the right) are arranged on the outer side of the flange, M5 threaded through holes are formed, the grounding bolts are arranged on the through holes, and the specific positions are not required.
TABLE 7 Performance parameters of input-output units
TABLE 8 Board description of input-output Unit
Interface silk screen printing of input and output unit of meter 9
Note: the IO connector is provided with an error insertion prevention mechanism.
A power supply connector:
both the equipment side and the cable side employ a metric 25-core connector (25W3), and the cable-side connector is provided by the equipment manufacturer. The power connector pin definition of the input and output unit is as follows:
TABLE 10 Power connector Pin definitions for input and output units
Connector match line footpath: the address line (pin number 1-22) is 0.5mm 2 The power line (pin number A1-A3) is 1.5mm 2 。
DIO card for safety and general purpose (safety digital input/output card)
Both the equipment side and the cable side employ F48 pin connectors, and the cable side connectors are provided by the equipment manufacturer.
The DI circuit is responsible for collecting 110V input signals; the DO circuit is responsible for the output signal of the switch 110V, and the output control adopts a MOSFET circuit. The DI input circuit and the DO output circuit both adopt an isolation mode. For the safe DIO board card, each switching value input and each path of output are provided with corresponding indicator lamps. The pin definitions of the non-safe DIO board card and the safe DIO board card are consistent, the non-safe DIO board card occupies one slot position, and the safe DIO board card occupies two slot positions. The stitch is defined as follows:
TABLE 11 DIO Board card connector pin definitions
Note: all pins of the 110V negative terminal are conducted, common ground is provided for digital input and digital output, and the 110V negative terminal is not required to be connected when the vehicle is connected with wires. All pins of the 110V positive terminal are conducted, and all the pins are recommended to be connected into the 110V positive terminal when the vehicle is connected, so that the DO driving insufficiency caused by too small current is avoided. Connector match line footpath: 1.0mm 2.
Dry gusset plate
Both the equipment side and the cable side employ F48 pin connectors, and the cable side connectors are provided by the equipment manufacturer. The safe type does the node integrated circuit board and accounts for 2 trench tape light, and the non-safe type accounts for a trench and does not take the pilot lamp, and 48 core points of trunk node are as follows.
TABLE 12 Dry node connector pin definitions
Note: connector match line footpath: 1.0mm 2 。
General purpose type AIO board (general purpose type analog input/output board card)
Both the equipment side and the cable side employ F48 pin connectors, and the cable side connectors are provided by the equipment manufacturer. The general DI board card occupies 1 slot, and the 48 core points of the general AIO board are as follows
TABLE 13 AIO Board connector Pin definition
Note: connector match line footpath: 0.75 to 1.0mm 2 。
General type DI board (general type digital input board card)
Both the equipment side and the cable side employ F48 pin connectors, and the cable side connectors are provided by the equipment manufacturer. The general DI board card occupies 1 slot position, and 16 DI inputs are supported to the maximum extent. The definition of the common DI board is shown in the table.
TABLE 14 DI Board connector Pin definition
Note: connector match line footpath: 1.0mm 2 。
Ethernet connector (Ethernet interactive board card)
The equipment side and the cable side both adopt M12 connectors (D-Code), the equipment side is female, and the cable side is male.
Table 15 a ethernet connector pin definition
| Pin number | Signal name | Signal definition |
| 1 | Transmit data + | |
| 2 | Receive data + | |
| 3 | Sending data- | TXD- |
| 4 | Receiving data- | RXD- |
Note: connector match line footpath: CAT5e-AWG20 or CAT5e-AWG 22.
MVB connector
Both the equipment side and the cable side adopt DB9 metric M3 connectors, and the cable side connectors are provided by equipment manufacturers.
TABLE 16 MVB connector Pin definitions
| Pin number | Signal name | Signal definition |
| 1 | Way A is just | A/ |
| 2 | Negative way A | A/ |
| 3 | -- | |
| 4 | Way B is right | B/ |
| 5 | Negative way B | B/Data N |
| 6 | -- | NC |
| 7 | -- | NC |
| 8 | -- | NC |
| 9 | -- | NC |
Note: connector match line footpath: CAT5e-AWG 20.
Further, as shown in fig. 7 and 8, the ENC switch unit 4 includes at least one power board 40, a marshalling network switch 41, and a repeater board 42, which are sequentially disposed in the second chassis 91.
The ENC switch unit (SRU case) mainly realizes the functions of Ethernet data and MVB relay switching, and supports the functions of looped network, VLAN, QoS, port flow limitation, broadcast inhibition and the like. The chassis adopts dual power supplies for redundancy, and the exchange board card supports giga and hundred mega transmission rates. Two groups of switch boards (16 hundred million and 4 giga interface boards are a group of switch boards) in the same cabinet are not connected through a backplane. The ENC switch unit adopts a 3U case embedded installation structure, the length of the case is 84TE, and the depth meets the maximum size of 250mm (without a handle). The grounding bolts (one on the left and the right) are arranged on the outer side of the flange, and M5 is a threaded through hole and is provided with the grounding bolts.
TABLE 17 ENC switch Unit Performance parameter Table
TABLE 18 ENC switch unit interface Screen printing
A power supply connector:
the device side and vehicle side employ a metric 25-core connector (25W3), with the pins defining:
TABLE 19 Power connector Silk-screen Table of ENC switchboard Unit
Connector match line footpath: address line (pin number 1-22)0.5mm2, power line (pin number A1-A3) 1.5mm 2 。
Gigabit ethernet electrical interface
M12 connector (X-Code), as in the table below.
TABLE 20 gigabit Ethernet Electrical interface for ENC switch units
Connector match line footpath: CAT7-AWG 24.
Hundred mega Ethernet electrical interface
The M12 connectors (D-codes) are as follows.
TABLE 21 one hundred mega Ethernet electrical interface for ENC switch units
| Pin number | Signal name | Signal definition |
| 1 | Transmit data + | |
| 2 | Receive data + | |
| 3 | Sending data- | TXD- |
| 4 | Receiving data- | RXD- |
Connector match line footpath: CAT5e-AWG20 or CAT5e-AWG 22.
Further, as shown in fig. 9 and 10, the POE switch unit includes two POE switches 50 and two power boards 51 sequentially disposed in the second chassis.
The POE switch unit mainly realizes the PIS data exchange function and adopts a management type switch. Support functions such as VLAN, QoS, port flow limitation, broadcast suppression, etc. The switch board card supports gigabit and hundred megabyte transmission rate and supports POE ports. Two exchange boards in the same cabinet are not connected through a back board. POE switch unit adopts 3U machine case embedded type mounting structure, and machine case length is 84TE, and the degree of depth satisfies maximum dimension 250mm (do not contain the handle). The grounding bolts (one on the left and the right) are arranged on the outer side of the flange, M5 threaded through holes are formed, the grounding bolts are arranged on the through holes, and the specific positions are not required.
Table 22 POE switch unit performance parameter table
Table 23 POE switch unit interface screen printing table
Gigabit ethernet electrical interface
The M12 connectors (X-Code) are as follows.
Table 24 POE switch unit gigabit ethernet electric interface meter
Connector match line footpath: CAT7-AWG 24.
Hundred mega Ethernet electrical interface
The M12 connectors (D-codes) are as follows.
Table 25 POE ethernet electric interface meter of exchanger unit
| Pin number | Signal name | Signal definition |
| 1 | Transmit data + | |
| 2 | Receive data + | |
| 3 | Sending data- | TXD- |
| 4 | Receiving data- | RXD- |
Note: connector match line footpath: CAT5e-AWG20 or CAT5e-AWG 22.
Electric interface of power supply
M12 connector (A-Code), as in the table below.
Table 26 POE power supply electric interface meter of exchanger unit
| Pin number | Signal name | Signal definition |
| 1 | 110V+ | 110V |
| 2 | NC | -- |
| 3 | 110V- | |
| 4 | NC | -- |
Note: connector match line footpath: 0.5mm 2.
Further, as shown in fig. 11 and 12, the vehicle-ground wireless transmitter unit 6 includes a power supply unit 60, a data recording unit 61, an ethernet switch 62, a security board 63, and a wireless transmission board 64, which are sequentially disposed in a second housing 91.
The vehicle-ground wireless transmitter unit 6 adopts a 3U case embedded installation structure, the length of the case is 84TE, and the depth meets the maximum size of 250mm (without a handle). The grounding bolts (one on the left and the right) are arranged on the outer side of the flange, M5 threaded through holes are formed, the grounding bolts are arranged on the through holes, and the specific positions are not required.
TABLE 27 Performance parameters of the vehicle-ground radio transmitter unit
TABLE 28 interface ID for a train-ground wireless transmitter unit
Further, as shown in fig. 13 and 14, the safety recorder unit 8 includes at least one power board 80, a main control unit 81, a data recording unit 82, a switch board 83, a digital input board 84, and an analog input/output board 85, which are sequentially disposed in the second enclosure 91.
The serialized Chinese standard subway train safety event recorder is a product meeting the key operation data recording function of a train, and the safety recorder unit 8 can realize the data recording and event recording functions in the modes of an MVB bus, an Ethernet interface, a digital input interface and the like. The safety recorder unit 8 comprises a protection storage module to realize a recording function. The safety recorder unit adopts a 3U case embedded installation structure, the case length is 84TE, and the depth meets the maximum size of 250mm (without a handle). The grounding bolts (one on the left and the right) are arranged on the outer side of the flange, M5 threaded through holes are formed, the grounding bolts are arranged on the through holes, and the specific positions are not required.
TABLE 29 Performance parameters of the safety recorder Unit
Screen printing interface of meter 30 safety recorder unit
Power supply connector
Both the device side and the cable side employ a metric 25-core connector (25W3), the power connector pins defining:
table 31 interface definition of 25W3 for a security recorder unit
Connector match line footpath: address line (pin number 1-22)0.5mm2, power line (pin number A1-A3) 1.5mm 2 。
Ethernet connector
The equipment side and the cable side both adopt M12 connectors (D-Code), the equipment side is female, the cable side is male, and the cable side connector is provided by the equipment manufacturer.
| Pin number | Signal name | Signal definition | Colour(s) | |
| 1 | Transmit data + | TXD+ | White colour (Bai) | |
| 2 | Receive data + | | Yellow colour | |
| 3 | Sending data- | TXD- | Blue (B) | |
| 4 | Receiving data- | RXD- | Orange |
Connector match line footpath: CAT5e-AWG20 or CAT5e-AWG 22.
MVB connector
Both the equipment side and the cable side adopt DB9 metric M3 connectors, and the cable side connectors are provided by equipment manufacturers.
| Pin number | Signal name | Signal definition |
| 1 | Way A is just | A/ |
| 2 | Negative way A | A/ |
| 3 | -- | |
| 4 | Way B is right | B/ |
| 5 | Negative way B | B/Data N |
| 6 | -- | NC |
| 7 | -- | NC |
| 8 | -- | NC |
| 9 | -- | NC |
Connector match line footpath: CAT5e-AWG 20.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A metro network control system characterized in that: the intelligent control system comprises a central control unit, a man-machine interface unit, an input/output unit, an ENC switch unit, a POE switch unit, a vehicle-ground wireless transmitter unit, a vehicle-ground wireless transmission antenna unit and a safety recorder unit;
the central control unit is arranged in a first case with the case length of 44 TE;
the input and output unit, the ENC switch unit, the POE switch unit, the train-ground wireless transmitter unit and the safety recorder unit are respectively arranged in a second case with the length of 84TE corresponding to each case;
a first board mounting opening is formed in one end of the first case, two first board mounting plates which are arranged oppositely are arranged at the first board mounting opening along the length direction, and mounting holes are formed in the first board mounting plates at intervals of 2TE along the length direction;
the one end of second machine case is equipped with the second integrated circuit board installing port, second integrated circuit board installing port department is equipped with the second integrated circuit board mounting panel of two relative settings along length direction, every interval 2TE along length direction is equipped with a mounting hole on the second integrated circuit board mounting panel.
2. The subway network control system as claimed in claim 1, wherein: first handle flanges are further fixed to two sides of the first case, where the first board card mounting opening is formed;
and second handle flanges are further fixed on two sides of the second case, which are provided with the second board card mounting opening.
3. A subway network control system as claimed in claim 2, wherein: and the first handle flange and the second handle flange are both provided with grounding bolts.
4. The subway network control system as claimed in claim 1, wherein: the central control unit comprises at least one power supply board card, a central control unit board card and a data recording unit board card, the power supply board card is installed on the right side of the first case in sequence, and the central control unit board card and the data recording unit board card are installed on the left side of the first case in sequence.
5. The subway network control system as claimed in claim 4, wherein: the input and output unit comprises at least one power supply board card, an Ethernet interaction board card, a safety digital input and output board card, a digital output board card, a universal digital input and output board card, a digital output board card and an analog input and output board card which are arranged in the second case in sequence.
6. The subway network control system as claimed in claim 1, wherein: the ENC switch unit comprises at least one power supply board card, a marshalling network switch and a repeater board card which are sequentially arranged in the second case.
7. The subway network control system as claimed in claim 1, wherein: and the POE switch unit comprises two POE switches which are sequentially arranged in the second case.
8. The subway network control system as claimed in claim 1, wherein: the train-ground wireless transmitter unit comprises a power supply unit, a data recording unit, an Ethernet switch, a safety board card and a wireless transmission board card which are sequentially arranged in the second case.
9. The subway network control system as claimed in claim 1, wherein: the safety recorder unit comprises at least one power supply board card, a main control unit, a data recording unit, a switch board card, a digital input board card and an analog input/output board card which are sequentially arranged in the second case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220606257.1U CN217116643U (en) | 2022-03-18 | 2022-03-18 | Subway network control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220606257.1U CN217116643U (en) | 2022-03-18 | 2022-03-18 | Subway network control system |
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| Publication Number | Publication Date |
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| CN217116643U true CN217116643U (en) | 2022-08-02 |
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| CN202220606257.1U Active CN217116643U (en) | 2022-03-18 | 2022-03-18 | Subway network control system |
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