CN220509053U - Dynamic map testing device - Google Patents
Dynamic map testing device Download PDFInfo
- Publication number
- CN220509053U CN220509053U CN202321929639.9U CN202321929639U CN220509053U CN 220509053 U CN220509053 U CN 220509053U CN 202321929639 U CN202321929639 U CN 202321929639U CN 220509053 U CN220509053 U CN 220509053U
- Authority
- CN
- China
- Prior art keywords
- module
- main control
- control module
- dynamic map
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model relates to the technical field of map testing, in particular to a dynamic map testing device, which is characterized in that a product to be tested is connected with a display connection module, then a power supply is turned on to start testing, a worker adjusts different testing modes according to actual requirements, and a testing result of a main control module U2 is obtained, so that the dynamic map of a train is detected in real time, and the test can be performed without a train or a PIS testing platform, so that the testing process is simpler; and the signal receiving and transmitting module can be used for receiving and transmitting data signals of a local area network, filtering unnecessary message data, reducing consumption of the main control module U2 and facilitating high efficiency of test work.
Description
Technical Field
The utility model relates to the technical field of map testing, in particular to a dynamic map testing device.
Background
The dynamic map fault rate is gradually increased after the subway train enters the deep maintenance stage, and the dynamic map can be tested on the train or the PIS test platform after maintenance due to the lack of an off-line auxiliary test tool, and the problems of limited test quantity, large manpower workload, incomplete test function and the like are solved. In the prior art, as disclosed in patent CN201920529445.7, an LED dynamic map testing device adopts a manner of displaying a single chip microcomputer and an LED lamp to perform testing, that is, the tested data is processed only by the single chip microcomputer, and the control manner can realize the purpose of testing, but the filtration of unnecessary data, messages and the like can also be completed only by the single chip microcomputer, so that resources controlled by the single chip microcomputer are occupied, corresponding consumption is generated for the single chip microcomputer, and finally the processing of the tested data is influenced, and efficiency and the like are influenced.
Disclosure of Invention
The utility model provides a dynamic map testing device aiming at the problems in the prior art, which controls testing work through a main control module U2, is provided with a signaling module, controls signal receiving and transmitting through a local area network protocol controller U3 and a bus receiving and transmitting controller U1, can filter unnecessary message data, can reduce consumption of the main control module U2, and is beneficial to high-efficiency testing work.
In order to solve the technical problems, the utility model adopts the following technical scheme: the dynamic map testing device comprises a shell and a testing device arranged on the shell, wherein the testing device comprises a power supply module, a main control module U2, a display connection module, a signal receiving and transmitting module and a mode selection module, the input end of the power supply module is connected with external alternating current power supply, the output end of the power supply module is connected with the main control module U2, the signal receiving and transmitting module and the display connection module, and the mode selection module and the display connection module are connected with the main control module U2; the display connection module is used for connecting a test product, the mode selection module is used for providing different test signals to the main control module U2, and the main control module U2 is used for selecting different test modes according to the different test signals and detecting the test product; the signal receiving and transmitting module comprises a local area network protocol controller U3 and a bus receiving and transmitting controller U1, wherein the local area network protocol controller U3 is connected with the main control module U2, and a data receiving and transmitting end of the bus receiving and transmitting controller U1 is connected with a data receiving and transmitting end of the local area network protocol controller U3.
Preferably, the chip model of the local area network protocol controller U3 is MCP2515.
Preferably, the chip signal of the bus transceiver controller U1 is TJA1050.
Preferably, the power module includes a power switch S6, a fuse F1, a first conversion unit D2, and a second conversion unit D3, where an input end of the first conversion unit D2 is connected with an external ac power supply through the fuse F1 and the power switch S6, an output end of the first conversion unit D2 outputs a first conversion voltage, the second conversion unit D3 is connected in parallel with the first conversion unit D2, and an output end of the second conversion unit D3 outputs a second conversion voltage, where the first conversion voltage is different from the second conversion voltage.
Preferably, the testing device further comprises a display module, and the display module is connected with the main control module U2.
Preferably, the test device further comprises a reset module, and the reset module is connected with the main control module U2 and is used for resetting the main control module U2.
Preferably, the test device further comprises a prompt lamp module, and a power supply end of the prompt lamp module is connected with the power supply module.
The utility model has the beneficial effects that:
according to the dynamic map testing device provided by the utility model, the product to be tested is connected with the display connection module, then the power supply is turned on to start testing, and the staff adjusts different testing modes according to actual requirements to obtain the testing result of the main control module U2, so that the dynamic map of the train is detected in real time, and the test can be performed without being carried out on the train or a PIS testing platform, so that the testing process is simpler; and the signal receiving and transmitting module can be used for receiving and transmitting data signals of a local area network, filtering unnecessary message data, reducing consumption of the main control module U2 and facilitating high efficiency of test work.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an electrical circuit of the main control module U2, the reset module and the mode selection module of the present utility model;
FIG. 3 is a schematic circuit diagram of a signal transceiver module according to the present utility model;
FIG. 4 is a schematic circuit diagram of a power module of the present utility model;
FIG. 5 is a schematic circuit diagram of a display connection module according to the present utility model;
fig. 6 is a schematic circuit diagram of the indicator light module of the present utility model.
The reference numerals in fig. 1 to 6 include:
the device comprises a 1-shell, a 2-power module, a 3-display connection module, a 4-mode selection module, a 5-display module, a 6-reset module and a 7-indicator light module.
Detailed Description
The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model. The present utility model will be described in detail below with reference to the accompanying drawings.
The dynamic map testing device provided in this embodiment, as shown in fig. 1 to 6, includes a housing 1 and a testing device mounted on the housing 1, where the testing device includes a power module 2, a main control module U2, a display connection module 3, a signal transceiver module and a mode selection module 4, the input end of the power module 2 is connected with external ac power supply, the output end of the power module 2 is connected with the main control module U2, the signal transceiver module and the display connection module 3, and the mode selection module 4 and the display connection module 3 are connected with the main control module U2; the display connection module 3 is used for connecting a test product, the mode selection module 4 is used for providing different test signals to the main control module U2, and the main control module U2 is used for selecting different test modes according to the different test signals and detecting the test product; the signal receiving and transmitting module comprises a local area network protocol controller U3 and a bus receiving and transmitting controller U1, wherein the local area network protocol controller U3 is connected with the main control module U2, and the data receiving and transmitting end of the bus receiving and transmitting controller U1 is connected with the data receiving and transmitting end of the local area network protocol controller U3. Wherein, the main control module U2 adopts controllers of the prior art such as a singlechip.
In the prior art, the dynamic map of the subway train mostly needs to be on the train or a specific platform to perform test work, namely, specific test conditions exist, so that more manpower and material resources are consumed, and the test efficiency is low. Because the embodiment can detect the function of the dynamic map in real time by arranging the testing device, no specific testing condition exists, and the detection work of the staff can be simpler and more convenient.
Specifically, as shown in fig. 2, the main control module U2 of the present embodiment adopts a controller in the prior art such as a single chip microcomputer, and fig. 3 is a schematic circuit diagram of a signal transceiver module, including a local area network protocol controller U3 with a model number of MCP2515 and a bus transceiver controller U1 with a model number of TJA1050, where two acceptance mask registers and six acceptance filter registers of the MCP2515 can filter unwanted messages, so that the overhead and consumption of the main control module U2 are reduced. The MCP2515 is connected to the master control module U2 through an industry standard serial peripheral interface (Serial Peripheral Interface, SPI); the bus transceiver controller U1 of the TJA1050 is a high-speed CAN transceiver, and the TJA1050 CAN provide differential transmission performance for the bus and differential reception performance for the CAN controller; therefore, the signal transceiver module CAN better receive and transmit data of the bus (CAN), and further CAN reduce the loss of the main control module U2.
As shown in fig. 4, the power module 2 of the present embodiment includes a power switch S6, a fuse F1, a first conversion unit D2 and a second conversion unit D3, wherein an input end of the first conversion unit D2 is connected with an external ac power supply through the fuse F1 and the power switch S6, an output end of the first conversion unit D2 outputs a first conversion voltage, the second conversion unit D3 is connected in parallel with the first conversion unit D2, an output end of the second conversion unit D3 outputs a second conversion voltage, and the first conversion voltage is different from the second conversion voltage. Specifically, the first conversion unit D2 converts AC220V AC into 110V dc voltage, and the second conversion unit D3 converts AC220V AC into 5V dc voltage, so as to meet the requirements of operating voltages of different devices. Optionally, the first conversion unit D2 and the second conversion unit D3 adopt an optocoupler isolation feedback switch power supply, rectify and transform an AC220V power supply into a DC5V, the maximum power can reach 65W, at least 6 dynamic map power supplies are satisfied while the power supply of the singlechip system is provided, and the mutual interference between the dynamic map and the singlechip power supply is avoided through decoupling means.
As shown in fig. 2, the mode selection module 4 of this embodiment includes a plurality of switches, and each switch controls a different mode, such as mode 0 (arrival broadcasting), mode 1 (uplink prediction station), mode 2 (downlink prediction station), mode 3 (emergency alarm) and mode 4 (test), so that different modes can be controlled by different switches, thereby facilitating the test of the staff.
As shown in fig. 1, this embodiment further includes a display module 5, a reset module 6, and a prompting light module 7, for example, after being electrified, the prompting light module 7 lights to indicate that the current testing device is in a working state, and when in different testing modes, the prompting light module 7 can emit lights with different colors to prompt a worker to belong to which testing mode currently. The reset module 6 is mainly connected with the reset end of the main control module U2, and when needed, for example, after the test is completed, the main control module U2 is reset to an initial state through the reset module 6, and the reset module is set according to actual requirements, which is not limited in this embodiment. The display module 5 is preferably an LED display screen or an LCD display screen, and can display the result data of the test for the staff to understand.
As shown in fig. 1 to 6, the specific working principle of the present embodiment is as follows: the product to be tested (such as an LCD display screen) is connected with the display connection module 3, and after power supply is started through the power supply module 2, testing work can be performed. A worker selects different test modules through the mode selection module 4, and the main control module U2 cooperates with the signal receiving and transmitting module to control and realize subtitle display of a dynamic map full-segment forecast station, an arrival station, an emergency report station and the like according to the received test signals; and secondly, through control signal output, the lattice color (such as yellow and red) of the tested product (display panel LED) is switched, and the display mode (column scanning and full display) is switched according to the requirements. The embodiment provides stable DC5V working voltage and display trigger signals for the test of the dynamic map, and ensures the safety and high efficiency of the test work; the function tests of various subtitle display, display red screen, display green screen, scrolling and the like of the tested product are realized, and all whisker functions of dynamic map on-line display are covered; the testing device is connected with the dynamic map simply, the signal plug is plug and play, the signal plug of the product to be tested is connected with the display connection module 3, the operation is simple and easy, and the testing is smart and rapid.
The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.
Claims (7)
1. A dynamic map testing device, characterized in that: the testing device comprises a power supply module, a main control module U2, a display connection module, a signal receiving and transmitting module and a mode selection module, wherein the input end of the power supply module is connected with external alternating current power supply, the output end of the power supply module is connected with the main control module U2, the signal receiving and transmitting module and the display connection module, and the mode selection module and the display connection module are connected with the main control module U2; the display connection module is used for connecting a test product, the mode selection module is used for providing different test signals to the main control module U2, and the main control module U2 is used for selecting different test modes according to the different test signals and detecting the test product; the signal receiving and transmitting module comprises a local area network protocol controller U3 and a bus receiving and transmitting controller U1, wherein the local area network protocol controller U3 is connected with the main control module U2, and a data receiving and transmitting end of the bus receiving and transmitting controller U1 is connected with a data receiving and transmitting end of the local area network protocol controller U3.
2. A dynamic map testing apparatus according to claim 1, wherein: the chip model of the local area network protocol controller U3 is MCP2515.
3. A dynamic map testing apparatus according to claim 1, wherein: the chip signal of the bus transceiver controller U1 is TJA1050.
4. A dynamic map testing apparatus according to claim 1, wherein: the power module comprises a power switch S6, a fuse F1, a first conversion unit D2 and a second conversion unit D3, wherein the input end of the first conversion unit D2 is connected with external alternating current power supply through the fuse F1 and the power switch S6, the output end of the first conversion unit D2 outputs a first conversion voltage, the second conversion unit D3 is connected with the first conversion unit D2 in parallel, the output end of the second conversion unit D3 outputs a second conversion voltage, and the first conversion voltage is different from the second conversion voltage.
5. A dynamic map testing apparatus according to claim 1, wherein: the testing device further comprises a display module, and the display module is connected with the main control module U2.
6. A dynamic map testing apparatus according to claim 1, wherein: the testing device further comprises a reset module, wherein the reset module is connected with the main control module U2 and used for resetting the main control module U2.
7. A dynamic map testing apparatus according to claim 1, wherein: the testing device further comprises a prompt lamp module, and a power supply end of the prompt lamp module is connected with the power supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321929639.9U CN220509053U (en) | 2023-07-20 | 2023-07-20 | Dynamic map testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321929639.9U CN220509053U (en) | 2023-07-20 | 2023-07-20 | Dynamic map testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220509053U true CN220509053U (en) | 2024-02-20 |
Family
ID=89866645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321929639.9U Active CN220509053U (en) | 2023-07-20 | 2023-07-20 | Dynamic map testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220509053U (en) |
-
2023
- 2023-07-20 CN CN202321929639.9U patent/CN220509053U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201867968U (en) | Solar wireless road traffic signal control machine | |
| CN103217602A (en) | Testing device and testing method of train power supply system | |
| CN216117915U (en) | Signal machine simulation device based on railway system | |
| CN220509053U (en) | Dynamic map testing device | |
| CN201821540U (en) | Intelligent illumination electricity-saving system | |
| CN211347920U (en) | Gas monitoring device | |
| CN102427639A (en) | Light modulation system of LED street lamp with direct current high voltage power supply and signal transmission and reception method thereof | |
| CN207937857U (en) | A kind of monitoring unmanned equipment fault detecting system | |
| CN210780235U (en) | Wireless charging system for lighting device | |
| CN202548607U (en) | Control module | |
| CN211906047U (en) | Wireless measurement and control centralized display device | |
| CN110647128B (en) | Integrated automatic monitoring management system for transformer substation | |
| CN208672727U (en) | Feeder line detection and control terminal DTU | |
| CN202696965U (en) | Lamp control system | |
| CN111968386A (en) | Intelligent photoelectric traffic control system and control method thereof | |
| CN218041414U (en) | Interface device of process layer equipment | |
| CN215934529U (en) | Multi-channel power supply display and control equipment | |
| CN212183379U (en) | Smart city multifunctional rod and intelligent power adapter | |
| CN214954647U (en) | High-voltage electrified centralized monitoring system | |
| CN210958166U (en) | Low frequency patrolling device based on FPGA | |
| CN110673059A (en) | Wireless lighting monitoring and electric measuring device | |
| CN220730311U (en) | Alternating current effective value power failure detection circuit | |
| CN216956725U (en) | Intelligent acquisition controller and circuit thereof | |
| CN217563394U (en) | Safety remote control device | |
| CN218041417U (en) | Interface board card device for vehicle-mounted safety monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |