CN107643928B - Device and method for dynamically controlling multi-standard railway signal display graphic symbol - Google Patents
Device and method for dynamically controlling multi-standard railway signal display graphic symbol Download PDFInfo
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- CN107643928B CN107643928B CN201610580559.5A CN201610580559A CN107643928B CN 107643928 B CN107643928 B CN 107643928B CN 201610580559 A CN201610580559 A CN 201610580559A CN 107643928 B CN107643928 B CN 107643928B
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Abstract
The invention relates to a device and a method for dynamically controlling multi-standard railway signal display graphic symbols, wherein the device comprises a signal information processing module, an intermediate conversion module and a signal information display module which are sequentially connected, wherein the signal information processing module calculates the equipment state of each signal equipment and sends the equipment state to the intermediate conversion module; the intermediate conversion module converts the equipment state of each signal equipment into a corresponding primitive display characteristic value and sends the primitive display characteristic value to the signal information display module; and the signal display module displays a specific graph on a screen according to the primitive display characteristic value. Compared with the prior art, the method has the advantages of low software functional module coupling, low software development and maintenance cost and the like.
Description
Technical Field
The invention relates to the technical field of railway signal information, in particular to a device and a method for dynamically controlling railway signals to display graphic symbols.
Background
At present, the standards of railway signal screen display graphic symbols in different countries or different regions are different, and the specific detail requirements of different railway signal operation companies for the same signal display are also different. At present, different monitoring terminal software products are designed according to common solutions, and the monitoring terminal software products are specifically realized by using corresponding products according to the requirements of users. The defects are as follows:
1. the product compatibility is poor. When a signal display processing algorithm is updated, all software products need to be upgraded.
2. The project implementation is poor. When a user changes specific requirements displayed by a certain signal, specific functions of software of the user need to be upgraded, and the cost of change influence is high.
3. The product has small application range. When a business is developed in a new country or a new region, a new software product needs to be developed
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a device and a method for dynamically controlling multi-standard railway signal display graphic symbols.
The purpose of the invention can be realized by the following technical scheme:
a device for dynamically controlling multi-standard railway signal display graphic symbols comprises a signal information processing module, an intermediate conversion module and a signal information display module which are sequentially connected, wherein the signal information processing module periodically calculates the equipment state of each signal equipment and sends the equipment state to the intermediate conversion module; the intermediate conversion module converts the equipment state of each signal equipment into a corresponding primitive display characteristic value and sends the primitive display characteristic value to the signal information display module; and the signal display module displays a specific graph on a screen according to the primitive display characteristic value.
And the intermediate conversion module converts the equipment state of each signal equipment into a corresponding graphic element display characteristic value.
A method for dynamically controlling a multi-standard railway signal display graphical symbol device, the method comprising the steps of:
step S1: the signal information processing module periodically calculates the equipment state of each signal equipment and sends the equipment state to the intermediate conversion module;
step S2: each signal device has a corresponding signal device identifier, the intermediate conversion module searches for a corresponding display symbol identifier according to the signal device identifier, if the display symbol identifier is not found, the signal device does not need to be displayed, and the step S5 is executed; if the data is found, the step S3 is executed;
step S3: for each display symbol mark, calculating a graphic element display characteristic value of the signal state according to the configured calculation mask, placing the graphic element display characteristic value into a sending queue of the signal equipment, and entering the step S4;
step S4: all the primitive display characteristic values in the sending queue of the signal equipment are sent to a signal display module in sequence, and the signal display module displays specific graphs on a screen according to the primitive display characteristic values; proceeding to step S5;
step S5: the one-time conversion algorithm is finished and waits for receiving the signal state of the next signal device.
A step SA is further arranged between the steps S1 and S2:
step SA: after receiving the device state of a signal device, the intermediate conversion module searches for the device state of the internal cache, and if the two states are the same, it indicates that the device state is not changed, and then the process goes to step S5; if not, the process proceeds to step S2.
A step SB is further arranged between the steps S3 and S4:
step SB: inquiring whether priority configuration exists in each primitive display characteristic value, if not, directly entering step S4; if the priority exists, the primitive display characteristic values in the sending queue are sorted from small to large according to the priority, and then the step S4 is performed.
Compared with the prior art, the invention has the following advantages:
(1) the coupling of the software functional modules is low. In the method, a three-layer software architecture is designed, the signal information processing module and the signal information display module are separated, and when the function of one module is changed, other modules are not required to be influenced.
(2) The engineering implementation cost is reduced, and the user confirmation process is accelerated. The intermediate conversion module in the method uses a manually configurable signal device state conversion configuration file to correspond each device state of a class of devices to a plurality of primitive display feature values. When the user demand shows that the details are changed, the engineering personnel can directly modify the configuration file to meet the user demand.
(3) Software development and maintenance costs are reduced. According to the method, the driving interface of the signal information display module uses the graphic primitive to display the characteristic value, and the concept of signal equipment is isolated. Therefore, when signal equipment systems of different countries or different regions are different, the configuration file can be modified, so that the intermediate module drives different display primitives, and the product requirements can be met.
Drawings
FIG. 1 is a software three-layer architecture diagram of a monitoring terminal for dynamically controlling a device and method for displaying graphic symbols for railway signals according to the present invention;
FIG. 2 is a flow chart of the intermediate module conversion algorithm of the apparatus and method for dynamically controlling railway signal display graphic symbols of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
Referring to fig. 1, a signal information processing module 1 periodically calculates the device status of each signal device, and sends the device status to an intermediate conversion module 2; the intermediate conversion module 2 converts the equipment state of each signal equipment into one or more corresponding primitive display characteristic values and sends the primitive display characteristic values to the signal information display module 3; and the signal display module displays a specific graph on a screen according to the primitive display characteristic value.
Referring to fig. 2, the process flow when the intermediate conversion module 2 receives a signal status (e.g., location occupied, not single-locked, blocked) of a signaling device (e.g., switch P05D) is illustrated:
step 101: the state of the signal received from switch P05D is status new: and (4) positioning occupation, no single lock, no blocking and no speed limit. Searching in a cache data structure in the middle module by using a turnout name P05D to obtain a cached signal state status old; if status New is equal to status old, go to step 106; if not, go to step 102;
step 102: searching for the display symbol identifier configuration corresponding to the P05D, if the display symbol identifier configuration is not searched, indicating that the display is not required by the P05D, and entering the step 106; if the data is found, step 103 is entered;
step 103: for each display symbol mark, calculating a graphic element display characteristic value of the signal state according to the configured calculation mask and placing the graphic element display characteristic value into a sending queue of the signal equipment;
if the position state is identified, calculating a plurality of graphic element display characteristic values of the positioning occupation state: positioning fork show (p05d. normalpoint. show ═ 1), inverted fork show not (p05d. revertepoint. show ═ 0), pre-fork track show Red (p05d. main. color ═ Red), positioning track show Red (p05d. normalpoint. color ═ Red), positioning fork show Red (p05d. normalpoint. color ═ Red), inverted track show light blue (p05d. revertp. color ═ blue);
if the single lock is identified, calculating the display characteristic values of a plurality of graphic elements in the state of no single lock: switch name shows Red (p05d. name. color ═ Red), switch turn circle shows (p05d. pointcircle. show ═ 1);
if the blocking mark is detected, calculating a plurality of graphic element display characteristic values of the blocked state: the pre-turnout track shows Pink (p05d. main. color. Pink), the positioning track shows Pink (p05d. normal. color. Pink), and the inverted track shows Pink (p05d. reverse. color. Pink); entering step 104;
step 104: inquiring whether priority configuration exists in each primitive display characteristic value, if not, directly entering step 105; if the priority exists, sorting the primitive display characteristic values in the sending queue from small to large according to the priority, if the priority of the positioning occupation display characteristic values is greater than the blocking, so that for the primitive of the track before the fork, the track before the fork displays pink and is arranged before the track before the fork displays red, and then entering the step 105;
step 105: and sequentially sending all the graphic element display characteristic values in the sending queue of the signal equipment to the signal information display module 3, and if aiming at the graphic elements of the track before the fork, firstly sending and displaying pink, and then sending and displaying red. Therefore, the final track graphic element before the fork can display red (namely, occupation is preferentially displayed when the occupation conflicts with the blocking); entering step 106;
step 106: after the first conversion algorithm is finished, waiting for receiving the signal state of the next signal device, such as the states of other signal devices, tracks, buttons and the like;
while the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. A method for adopting the multi-standard railway signal of dynamic control to display the graphical symbol apparatus, characterized by that, the said apparatus includes signal information processing module, intermediate conversion module and signal information display module connected sequentially, the said signal information processing module calculates the apparatus state of each signal device periodically, send to the intermediate conversion module; the intermediate conversion module converts the equipment state of each signal equipment into a corresponding primitive display characteristic value and sends the primitive display characteristic value to the signal information display module; the signal display module displays a specific graph on a screen according to the primitive display characteristic value;
the intermediate conversion module converts the equipment state of each signal equipment into one or more corresponding graphic element display characteristic values;
the method comprises the following steps:
step S1: the signal information processing module periodically calculates the equipment state of each signal equipment and sends the equipment state to the intermediate conversion module;
step S2: each signal device has a corresponding signal device identifier, the intermediate conversion module searches for a corresponding display symbol identifier according to the signal device identifier, if the display symbol identifier is not found, the signal device does not need to be displayed, and the step S5 is executed; if the data is found, the step S3 is executed;
step S3: for each display symbol mark, calculating a graphic element display characteristic value of the signal state according to the configured calculation mask, placing the graphic element display characteristic value into a sending queue of the signal equipment, and entering the step S4;
step S4: all the primitive display characteristic values in the sending queue of the signal equipment are sent to a signal display module in sequence, and the signal display module displays specific graphs on a screen according to the primitive display characteristic values; proceeding to step S5;
step S5: finishing the first conversion algorithm, and waiting for receiving the signal state of the next signal device;
a step SB is further arranged between the steps S3 and S4:
step SB: inquiring whether priority configuration exists in each primitive display characteristic value, if not, directly entering step S4; if the priority exists, sorting the primitive display characteristic values in the sending queue from small to large according to the priority, and then entering the step S4;
if the position state is identified, calculating a plurality of graphic element display characteristic values of the positioning occupation state: positioning fork center display: p05d. normalpoint. show ═ 1, contra-bifurcation does not show: p05d.reversepoint.show ═ 0, the pre-turnout track shows red: color Red, localization track displays Red: color Red, locating the heart shows Red: p05d. normalpoint. color ═ Red, the inverted orbital shows light blue: p05d. reverse. color ═ LightBlue.
2. The method as claimed in claim 1, wherein between steps S1 and S2 there is further provided a step SA:
step SA: after receiving the device state of a signal device, the intermediate conversion module searches for the device state of the internal cache, and if the two states are the same, it indicates that the device state is not changed, and then the process goes to step S5; if not, the process proceeds to step S2.
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