CN211086993U - Simulation test system - Google Patents
Simulation test system Download PDFInfo
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- CN211086993U CN211086993U CN201922218785.0U CN201922218785U CN211086993U CN 211086993 U CN211086993 U CN 211086993U CN 201922218785 U CN201922218785 U CN 201922218785U CN 211086993 U CN211086993 U CN 211086993U
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Abstract
The utility model discloses a simulation test system, include: the transformer comprises an analog control unit, a transformer unit, a switch power supply unit and a redundancy control unit, wherein the output ends of the transformer unit and the switch power supply unit are respectively connected with the analog control unit, the output end of the transformer unit is also connected with the redundancy control unit, and the analog control unit is connected with the redundancy control unit. The utility model discloses the mode of module integration and simulation test has overcome the shortcoming that test equipment consumes too much manpower, material resources to the difficult carrying of redundant control unit test system, has built among the prior art, has realized accurate, high-efficient beneficial effect to the test of redundant control unit.
Description
Technical Field
The utility model belongs to the technical field of rail transit platform equipment safety control technique and specifically relates to a simulation test system is related to.
Background
Generally, a continuous barrier which is installed at the edge of a railway station platform of a subway, a light rail and the like, isolates a railway from a platform waiting area, corresponds to a train door, and can open and close a sliding door in a multistage control mode is arranged, and the continuous barrier is called as a shield door of the urban railway station platform, and is called as a shield door for short. The shield door isolates the waiting area of the platform from the track and is provided with a movable door corresponding to the train door, and after the train arrives at a station, passengers can directly enter and exit the train compartment through the movable door synchronously opened with the train door. The subway platform screen door system has the functions of safety, energy conservation, environmental protection and the like. The shielding door can separate the waiting space from the tunnel space completely, and air-conditioning cold air in the waiting hall can not generate air exchange with piston air generated when a train operates, so that the capacity and the power consumption of an air conditioner in a platform hall are greatly reduced, the noise generated when the train operates can be reduced, a comfortable waiting environment subway platform shielding door is created for passengers, the passengers are separated from the train and an operation track, and the safety guarantee is provided for the passengers. The PEDC is used as a key control part of the platform screen door, and once a fault occurs, the situations that a train cannot normally enter the station, a signal is locked, delayed and the like can be caused, and the punctuality rate of train operation is directly influenced, so that the system test of the screen door before leaving the factory or in operation is very important.
At present, an integrated test tool or system is lacked for a shield door redundancy test system, and a large amount of manpower and material resource wiring collocation equipment is needed to be spent before the shield door redundancy test system is tested. In the existing subway platform screen door control system, due to the cost reason, most of PEDCs are single equipment configuration, and when the PEDCs break down, the platform screen door control needs manual operation, so that train delay and delay are easily caused. In the subway industry, the failure probability of PEDC is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a simulation test system can accurately, high-efficiently carry out the simulation test to redundant control system.
In a first aspect, an embodiment of the present invention provides a simulation test system, including analog control unit, transformer unit, switching power supply unit, redundant control unit the output of transformer unit and switching power supply unit is connected respectively analog control unit, redundant control unit is still connected to transformer unit's output, analog control unit connects redundant control unit, communication unit connects redundant control unit.
The utility model discloses a simulation test system has following beneficial effect at least: the simulation test system can be conveniently built and is convenient to carry, the investment cost can be saved, and the capital and manpower investment required for building a real test system are avoided.
According to the utility model discloses a simulation test system of other embodiments, the analog control unit includes host system, power module, switching value output module, host system switching value output module power module links to each other in proper order, host system is direct connection still power module.
According to another embodiment of the present invention, the simulation control unit further comprises a signal failure indication module, the signal failure indication module comprises a simulated door opening signal failure indication module and a simulated enable signal failure indication module, and the simulated door opening signal failure indication module is used for indicating a door opening signal failure; the analog enable signal failure module is used for indicating an enable signal failure.
According to the utility model discloses a simulation test system of other embodiments, redundant control unit includes circuit breaker and relay, the circuit breaker is used for distributing the electric energy and protects redundant control unit, the relay is used for right it controls to cover redundant control unit electric control.
Furthermore, the redundancy control unit further comprises an indication module and an operation module, wherein the indication module is used for indicating signals of the redundancy control unit, and the operation module is used for controlling the on-off of the redundancy control unit.
According to other embodiments of the present invention, an analog testing system, the communication unit includes an RS485/USB converter.
According to another embodiment of the present invention, the simulation test system further comprises a monitoring unit, the monitoring unit is connected to the communication unit, and the other end of the communication unit is connected to the redundancy control unit; the monitoring unit comprises a server and monitoring software on the server, and the installation mode of the monitoring software is a software installation package mode or/and a webpage mode.
According to the utility model discloses a simulation test system of other embodiments, transformer unit includes alternating current transformer, alternating current transformer's amplitude is 50V.
According to another embodiment of the present invention, the switching power supply unit includes a dc switching power supply, and the dc switching power supply includes at least two kinds of amplitudes of 24V and 5V.
Drawings
Fig. 1 is a block diagram of a simulation test system according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of an analog control unit in the analog testing system of the present invention;
FIG. 3 is a block diagram of another embodiment of a simulation test system according to the present invention;
fig. 4 is a block diagram of another embodiment of a simulation test system according to the present invention;
fig. 5 is a block diagram of another embodiment of a simulation test system according to the present invention;
fig. 6 is a block diagram of another embodiment of a simulation test system according to the present invention;
fig. 7 is a connection diagram of the simulation control unit and D0 of the simulation test system according to the embodiment of the present invention.
Detailed Description
ATC: automatically controlling the train;
PSCC: a platform screen door control cabinet;
PEDC: a platform screen door unit controller;
DCU: a gate control unit;
a CPU: a central processing unit;
DO: outputting the switching value;
AC: an alternating current power supply;
DC: a direct current power supply.
The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," "connected," or "mounted" to another feature, it can be directly disposed, secured, or connected to the other feature or indirectly disposed, secured, connected, or mounted to the other feature.
In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
The following embodiments are developed by taking the simulation test system of the redundancy control unit of the subway platform screen door as an example, but the following embodiments are not limited to the simulation test applied to the redundancy control unit of the subway platform screen door.
Example 1: reference is made to fig. 1, which is a block diagram of a specific embodiment of the simulation test system of the present invention, including an analog control unit, a transformer unit, a switching power supply unit, and a redundancy control unit, wherein the output terminals of the transformer unit and the switching power supply unit are respectively connected to the analog control unit, the output terminal of the transformer unit is further connected to the redundancy control unit, and the analog control unit is connected to the redundancy control unit.
Specifically, the redundancy control unit is connected in parallel with key signals such as an opening/closing circuit of an inner terminal of the PSCC cabinet and an ATC slave unit in a hard-wire connection mode. And monitoring an ATC opening/closing door signal in real time, wherein the signal is a 60V direct current signal, PEDC enables the opening/closing door signal, wherein the signal is a 50V alternating current signal, closing locking signals, wherein the signal is a 60V direct current signal, and confirming the running state of the PECD.
The specific classification is as follows:
case 1: when the door is normally opened: and the redundancy control unit confirms that the PEDC has received the ATC door opening signal, and then confirms that the PEDC sends a door opening command to the DCU within 0.3 second after receiving the door opening signal.
Case 2: when normally closing the door: and the redundancy control unit confirms that the PEDC has received the ATC door-closing signal, and then confirms that the PEDC sends a door-opening command to the DCU within 0.3 second after receiving the door-opening signal. And when all the sliding doors are closed in place, the redundant control unit monitors a closing locking signal.
Case 3: when PEDC fails: after the PEDC receives the ATC opening/closing signal, if the redundant controller monitors that the PEDC does not send an enabling opening/closing signal within 0.5S, the failure of the PEDC is judged, the redundant control unit is automatically put into operation at the moment, the PEDC quits from the system to operate at the moment, the enabling signal and the opening/closing signal are sent to the DCU through the relay, and the audible and visual alarm is sent. When the PEDC fault is recovered, the redundant control unit needs to be manually quitted.
It can be understood that, because the redundant control unit of the subway platform screen door and the PEDC are operated in parallel, before the unit is installed and connected to the PEDC, a series of necessary tests need to be performed to ensure that the unit can be normally operated in parallel after the redundant control unit of the subway platform screen door is installed and connected to the PEDC.
Specifically, in the analog control unit part, the kernel adopts a high-performance CPU design, and the peripheral circuit adopts high-performance signal drivers and other elements, so that the following definitions are achieved for 6 groups of switching values D0-D05 to output each group of switching values:
d0: simulating DCU door closing signal output;
d1: simulating ATC door closing signal output;
d2: simulating ATC door opening signal output;
d3: simulating DCU door closing locking signal output;
d4: outputting an analog enable signal;
d5: and simulating the output of a door opening signal.
The direct current 60V power supply for outputting signals from D0 to D3 is provided by the interior of a subway platform screen door redundancy control unit, and the alternating current 50V power supply for outputting signals from D4 to D5 is provided by an alternating current 50V transformer.
Specifically, the transformer unit comprises an alternating current transformer, and the amplitude of the alternating current transformer is 50V;
specifically, the switching power supply unit comprises a direct current switching power supply, and the direct current switching power supply at least comprises two amplitudes of 24V and 5V.
Example 2: fig. 2 is a circuit connection diagram of an analog control unit in the analog test system of the present invention, the analog control unit includes a main control module 3, a power supply module 1, and a switching value output module 2, the main control module 3, the switching value output module 2, and the power supply module 1 are connected in sequence, and the main control module 3 is also directly connected to the power supply module 1;
specifically, DO0 to DO5 of the main control module 3 are respectively connected to DO0 to DO5 pins of the switching value output module 2, and +5V and GND _5V pins of the main control module 3 are respectively connected to +5V and GND _5V pins of the switching value output module 2, and are simultaneously respectively connected to +5V and GND _5V pins of the power supply module 1. Meanwhile, pins +24V and GND _24V of the power supply module 1 are respectively connected with pins +24V and GND _24V of the switching value output module 2.
Example 3: referring to fig. 3, a signal fault indication module is added to the analog control unit on the basis of embodiment 2, where the signal fault indication module includes a simulated door opening signal fault indication module and a simulated enable signal fault indication module, and the simulated door opening signal fault indication module is used to indicate a door opening signal fault; the analog enable signal failure module is used for indicating the enable signal failure.
Specifically, after the simulation test system is powered on by burning a simulation program, the main control module in the simulation control unit is responsible for controlling 6 groups of switching values of DO 0-DO 5 to time and circularly output various simulation signals to be monitored by the subway platform screen door redundancy control system, when a tester presses a simulation door opening signal fault button or a simulation enabling signal fault button, a simulation door opening signal line or a simulation enabling signal line is disconnected, so that a door opening signal output fault or an enabling signal output fault of the subway platform screen door redundancy control system is triggered, and then an audible and visual alarm and an alarm event are sent by the subway platform screen door redundancy control system.
Example 4: referring to fig. 4, the redundancy control unit includes a circuit breaker for distributing power and protecting the redundancy control unit and a relay for electrically controlling the drain door redundancy control unit.
Example 5: referring to fig. 5, on the basis of embodiment 4, the redundant control unit further includes an indication module and an operation module, the indication module is used for signal indication of the redundant control unit, the operation module is used for switch control of the redundant control unit, the signal indication may be an indicator light on a panel or other devices that can function as an indication, and the switch control may select a button or a switch or other devices that can function as a switch device.
Example 6: referring to fig. 6, on the basis of embodiment 1, the system further includes a communication unit and a monitoring unit, wherein the communication unit includes an RS485/USB converter, the monitoring unit is connected to the communication unit, the other end of the communication unit is connected to the redundancy control unit, the monitoring unit includes a server and monitoring software on the server, and an installation manner of the monitoring software is a software installation package manner or/and a web page manner. When the subway platform screen door redundancy control unit sends out audible and visual alarm and records alarm events, the information of the alarm event record, the current state and the like is transmitted to background monitoring software of a background computer through the subway platform screen door redundancy control unit.
In practical application, the DO point connection diagram between the analog control unit and the subway platform screen door redundancy control unit to be tested in the above embodiment referring to fig. 7, the various signals required during the test process do not require real signal output devices, including but not limited to, a simulated DCU door closing locking signal, a simulated ATC door closing signal, a simulated ATC door opening signal, a simulated DCU door opening locking signal, a simulated enable signal, a simulated door opening signal, wherein DO0 is connected with DCU door closing locking signal, DO1 is connected with analog ATC door closing signal, DO2 is connected with analog ATC door opening signal, DO3 is also connected with analog DCU door opening locking signal, DO4 is also connected with analog enabling signal, DO5 is also connected with analog door opening signal, the purpose of connecting the analog DCU door opening locking signals to the DO0 and the DO3 is to enable the analog DCU door opening locking signals to be confirmed by controlling the DO0 and the DO3 simultaneously.
The utility model discloses integrate into a test fixture with scattered simulation test equipment, cable etc. and when carrying out the redundant control unit of subway platform shield door simulation test in batches, the process that significantly reduces, labour saving and time saving when practicing thrift the test equipment cost, efficiency of software testing is also showing and is improving.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (9)
1. A simulation test system, comprising:
the transformer comprises an analog control unit, a transformer unit, a switch power supply unit and a redundancy control unit, wherein the output ends of the transformer unit and the switch power supply unit are respectively connected with the analog control unit, the output end of the transformer unit is also connected with the redundancy control unit, and the analog control unit is connected with the redundancy control unit.
2. The simulation test system of claim 1, wherein the simulation control unit comprises a main control module, a power supply module, and a switching value output module, the main control module, the switching value output module, and the power supply module are connected in sequence, and the main control module is further directly connected to the power supply module.
3. The simulation test system according to claim 2, wherein the simulation control unit further comprises a signal failure indication module, the signal failure indication module comprises a simulation door opening signal failure indication module and a simulation enable signal failure indication module, and the simulation door opening signal failure indication module is used for indicating a door opening signal failure; the analog enable signal fault indication module is used for indicating an enable signal fault.
4. A simulation test system according to claim 1, wherein the redundant control units comprise circuit breakers for distributing electrical energy and protecting the redundant control units and relays for electrically controlling the redundant control units.
5. The simulation test system of claim 4, wherein the redundant control unit further comprises an indication module for signal indication of the redundant control unit and an operation module for switching control of the redundant control unit.
6. The analog testing system of claim 1, further comprising a communication unit, said communication unit comprising an RS485/USB converter.
7. The simulation test system of claim 6, further comprising a monitoring unit, wherein the monitoring unit is connected to the communication unit, and the other end of the communication unit is connected to the redundancy control unit.
8. A simulation test system according to claim 1, wherein the transformer unit comprises an ac transformer having an amplitude of 50V.
9. An analog test system as claimed in claim 1, characterized in that the switching power supply unit comprises a dc switching power supply comprising at least two amplitudes of 24V and 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218785.0U CN211086993U (en) | 2019-12-12 | 2019-12-12 | Simulation test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922218785.0U CN211086993U (en) | 2019-12-12 | 2019-12-12 | Simulation test system |
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| Publication Number | Publication Date |
|---|---|
| CN211086993U true CN211086993U (en) | 2020-07-24 |
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| CN201922218785.0U Active CN211086993U (en) | 2019-12-12 | 2019-12-12 | Simulation test system |
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| CN (1) | CN211086993U (en) |
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- 2019-12-12 CN CN201922218785.0U patent/CN211086993U/en active Active
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