CN112129210A - Gray bus capable of being replaced quickly and replacement method - Google Patents
Gray bus capable of being replaced quickly and replacement method Download PDFInfo
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- CN112129210A CN112129210A CN201910546643.9A CN201910546643A CN112129210A CN 112129210 A CN112129210 A CN 112129210A CN 201910546643 A CN201910546643 A CN 201910546643A CN 112129210 A CN112129210 A CN 112129210A
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
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Abstract
The invention relates to a gray bus capable of being rapidly replaced, which comprises a ground address check plate, a transmitter, a vehicle-mounted address detection device, an address check receiver, an address superposition transmitter, an address superposition receiver and a segment gray bus, wherein more than 1 transmitter is arranged on the ground address check plate, is vertically arranged in an 8421 code mode, is arranged on the ground along the extension direction of the gray bus and is used for sending absolute value address check information of the gray bus to the vehicle-mounted address detection device 3, the address superposition transmitter is an independent transmitter and is arranged at the initial position of each segment gray bus and is used for sending the absolute value address superposition information of the gray bus to the vehicle-mounted address detection device, the vehicle-mounted address detection device is arranged on a mobile vehicle and is provided with the address check receiver and the address superposition receiver, and the installation height and the arrangement sequence of the address check receiver, the arrangement height and the arrangement sequence of the transmitter on the ground address check plate The order is consistent.
Description
Technical Field
The invention relates to a Gray bus capable of being replaced quickly and a replacement method, and belongs to the technical field of electrical equipment control.
Background
The Gray bus is a non-contact position detection device, and is composed of a cable core wire, a mold core, a cable sheath and the like, electromagnetic signals are generated in a cable through an electromagnetic induction principle, and because the electromagnetic signals at each position are different, the position of an antenna box in the length direction of the Gray bus is detected through electromagnetic coupling between the Gray bus and the antenna box, so that continuous address information can be obtained through an antenna and a mobile vehicle decoding device and is used for online position detection of a rail mobile vehicle, and the main structure is shown in figure 1. The cable core wire comprises a reference wire (1 to R wire) and an address wire (10 to G0 wire-G9 wire), wherein the reference wire is used for acquiring standard signals, and the address wire is used for address detection. Each pair of address lines are arranged according to different step length rules, and intersect once every certain length (step length), the minimum step length of the gray bus is set as W, then the step lengths of G0, G1, G2 … G8 and G9 are respectively 1W, 2W, 4W … 256W and 512W, the reference line R does not intersect in the whole gray bus section, and the gray bus core wire is unfolded as shown in FIG. 2.
The minimum step W of the Gray bus is determined according to the positioning precision, the cable length is determined by the number of the Gray bus core wires and the minimum step W, and generally:
absolute positioning accuracy mu as W/2 (where W is Gray bus minimum step)
Gray bus length L2 n mu (where n is the number of gray bus cores)
From the above analysis, we know that when the minimum step W of gray bar is 200 mm, the detection precision of the large address is:
mu-W/2-200/2-100 mm.
If the gray bus address line is 10 pairs (G0-G9), when W is 200 mm, the gray bus length is:
l210 × 100 (mm) 102.4 m.
Address line G0 steps 200 mm, beginning to cross at 100 mm; g1 steps 400 mm, starts crossing at 200 mm; g2 steps 800 mm, start crossing at 400 mm, …; g8 step size 51.2 meters, crossing once at 25.6 meters; g9 step size is 102.4 meters, and the crossing is performed once at 51.2 meters, and the crossing rule is shown in FIG. 3.
If the distance of 300 meters needs to be measured, the gray bus address lines need to be expanded to 12 pairs (G0-G9), and the maximum measurable distance is 102.4 × 22-409.6 meters.
Therefore, in order to measure a longer positioning length, the mobile vehicle needs to add more logarithm address lines, and electromagnetic signals generated by the address lines are unique in the whole gray bus. In a gray bus with the length of 300 meters, the crossing sequence of address lines of each section is different, so that there is no section with the same interval on the whole gray bus, as shown in fig. 1, the whole gray bus is composed of A, B, C, D and other different sections, the preparation and maintenance of spare parts are difficult due to more signal lines and unique wiring modes, especially under the use conditions that the gray bus is easily scratched and has high temperature, once one place of the whole cable is disconnected or burnt, the address line crossing information of the area must be acquired, and the gray bus with the same crossing information can be repaired by a professional manufacturer, and a repairing illustration is schematically shown in fig. 4. It can therefore be seen that the use of the entire gray bus has the following disadvantages: 1) the number of data lines is large, and the installation and maintenance are difficult; 2) the whole line has no repeated area, the purchase cost is high, and spare parts cannot be prepared; 3) non-professionals cannot find out the core wire crossing law and can not simply and efficiently maintain the core wire. Therefore, a new technical solution is urgently needed to solve the technical problems.
Disclosure of Invention
The invention provides a gray bus capable of being quickly replaced and a replacing method aiming at the problems in the prior art, and the technical scheme of the invention is as follows: the utility model provides a but quick replacement's gray generating line, but quick replacement's gray generating line device includes ground address calibration board, sender, on-vehicle address detection device, and the address is verified and is received the ware, and address stack sender, address stack receive ware and section formula gray generating line. According to the technical scheme, the number of the data lines in the segment type gray bus is small, the installation and the maintenance are simple, all segment type gray bus structures are consistent with the working principle, and replacement and spare part preparation are facilitated.
The ground address check plate is provided with more than 1 transmitter which is vertically arranged in an 8421 code mode, is arranged on the ground along the extension direction of a gray bus and is used for sending absolute value address check information of the gray bus to the vehicle-mounted address detection device, the address superposition transmitter is an independent transmitter which is arranged at the initial position of each section of gray bus and is used for sending the absolute value address superposition information of the gray bus to the vehicle-mounted address detection device, the vehicle-mounted address detection device is arranged on a mobile vehicle and is provided with an address check receiver and an address superposition receiver, the installation height and the arrangement sequence of the address check receiver are consistent with the arrangement height and the sequence of the transmitters on the ground address check plate, the installation height of the address superposition receiver is consistent with the height of the address superposition transmitter and are respectively used for receiving signals transmitted by the ground address check plate and the address superposition transmitter, sending the signals to a vehicle-mounted control system for address information check and calculation; the working principle of each section of gray bus is the same as that of the whole gray bus, but the length of each section of gray bus is greatly reduced, the length, the internal structure and the crossing mode of data lines are completely the same, and the gray bus with the same length is formed by connecting the heads and the tails in series.
When the moving vehicle passes through each gray bus, the vehicle-mounted address detection device detects a distance signal L1 from 0 m to 1 m and sends the distance signal to the vehicle-mounted control system, and under the condition that 3 transmitters can be mounted on the ground address verification board, at most 2 transmitters can be arranged around the gray bus3The vehicle-mounted address detection device reads information of the check plate and transmits a signal to a vehicle-mounted control system, and the control system forcibly verifies that the address is an absolute value address corresponding to the check plate; starting from the position of the second section type gray bus, installing an address superposition transmitter at the initial position of each section type gray bus, when a vehicle passes through the address superposition transmitter, reading the information of the address superposition transmitter by a vehicle-mounted address superposition receiver, transmitting a signal to a vehicle-mounted control system, and accumulating the addresses by the value of an integer generated by the control system; when a vehicle runs from 0 meter to 300 meters, the vehicle passes through a check board at 0 meter, the vehicle-mounted control system forcibly checks the address information to be 0 meter, detects that the gray bus address is L1, and can calculate that the address L of the vehicle at the sectional gray bus is 0+ L1, when the vehicle continues to run to the right and enters the X-th gray bus position, the control system accumulates 1 meter for the integral address due to the electromagnetic contact between the vehicle-mounted address superposition receiver and the address superposition transmitter at the initial position of the sectional gray bus, and can calculate that the address L of the vehicle is (X-1) + L1 meter, and so on; all in oneWhen the vehicle moves in the left direction, when the vehicle reaches the position of the section gray bus of the section X (X is not less than 1 and not more than 300), the read gray bus value is L1, the vehicle address L is (X-1) + L1 m, and then the vehicle moves left to enter the position of the next section gray bus, because the vehicle-mounted address superposition receiver and the address superposition transmitter at the starting position of the section gray bus are in electromagnetic contact, the control system reduces the integral address by 1 m, and the vehicle address L is (X-1-1) + L1 m at this moment, and so on;
when the vehicle reaches the check board at the position of X meters, if the difference value between the vehicle address L (X-1) + L1 meters and the X meters is within the set detection precision range (+ -5 millimeters), the address can be forced to be X meters according to needs, and if the difference value exceeds the set detection precision range, the control system can judge that the address detection device has a fault and carry out forced check, output alarm or stop according to the production condition.
The method for rapidly replacing the Gray bus is characterized by comprising the following steps:
the sectional gray buses with the same specification and length are connected end to end, address information of the mobile vehicle can be detected by matching with a ground address check board, an address superposition transmitter and the like, when the gray buses are burnt or cut and need to be replaced in a large section, only the whole section of the damaged sectional gray buses needs to be taken down, and the sectional gray buses with the same length and number are used for replacement. The specific method comprises the following steps:
1. the vehicle body moves in the direction of the gray bus, the change of the address data is observed, the normal address data is continuously and regularly increased or decreased, and if the address is irregularly jumped or fixed, the abnormal operation of one or more section type gray buses of the section of address is indicated.
2. Marking an abnormal address section, and detaching the sectional Gray bus with the fault off line;
3. installing a new section type gray bus and wiring;
4. and debugging, namely checking whether the newly-installed sectional Gray bus signal output is normal.
Compared with the prior art, the invention has the advantages that 1) the technical scheme uses fewer segment type gray buses and has less internal data lines and simple installation and maintenance; all the sectional Gray bus structures are consistent with the working principle, and the purchase cost is low; 2) the gray bus quick replacement method can be executed by non-professional personnel, and can be used for simply and efficiently maintaining the damaged gray bus; 3) the scheme is provided with an address checking device, so that the out-of-control speed of the vehicle caused by the damage of the Gray bus is avoided; 4) the scheme is consistent with the working principle of the whole gray bus, and the equipment compatibility is good.
Drawings
FIG. 1 Gray bus bar structure diagram;
FIG. 2 is a Gray bus core wire deployment view;
FIG. 3 a Gray bus crossbar;
FIG. 4 Gray bus conventional repair method;
FIG. 5 is a block diagram (front and side views) of an address detection and verification device;
FIG. 6 is a schematic view of a quick change gray bus installation;
fig. 7 is a schematic diagram of a quick change gray bus replacement.
The system comprises a ground address check board 1, a transmitter 2, a vehicle-mounted address detection device 3, an address check receiver 4, an address superposition transmitter 5 and an address superposition receiver 6.
The specific implementation mode is as follows:
for the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.
Example 1: referring to fig. 1-6, a device for quickly replacing a gray bus mainly comprises a ground address check board 1, a transmitter 2, a vehicle-mounted address detection device 3, an address check receiver 4, an address superposition transmitter 5, an address superposition receiver 6 and a segment gray bus, and the structure is shown in fig. 5. Wherein, the ground address check plate 1 is provided with more than 1 transmitter 2 which is vertically arranged according to 8421 codes, is arranged on the ground along the extension direction of a gray bus and is used for sending absolute value address check information of the gray bus to the vehicle-mounted address detection device 3, the address superposition transmitter 5 is an independent transmitter which is arranged at the initial position of each segment of the gray bus and is used for sending the absolute value address superposition information of the gray bus to the vehicle-mounted address detection device 3, the vehicle-mounted address detection device 3 is arranged on a mobile vehicle and is provided with an address check receiver 4 and an address superposition receiver 6, the installation height and the arrangement sequence of the address check receiver 4 are consistent with the arrangement height and the sequence of the transmitter 2 on the ground address check plate 1, the installation height of the address superposition receiver 6 is consistent with the height of the address superposition transmitter 5, and the transmitter is respectively used for receiving signals transmitted by the ground address check plate 1 and the address superposition transmitter 5, and the signals are sent to a vehicle-mounted control system for the checksum calculation of the address information. The working principle of each section of gray bus is the same as that of the whole gray bus, but the length of each section of gray bus is greatly reduced, the length, the internal structure and the crossing mode of data lines are completely the same, the gray bus with the length is formed by connecting the head and the tail in series, the installation schematic diagram is shown in figure 6,
because the gray bus has the characteristics that the longer the length is, the higher the precision is, and the more the number of data line pairs is, the technology changes the mode that the position identification can be carried out only by one whole gray bus into the multi-section gray bus with uniform length and structure, thereby greatly reducing the number of data line pairs in the gray bus and the workload of installation and maintenance. When the minimum step length W of the gray bus is 200 mm, the detection accuracy of the large address is μ W/2 200/2 100 mm, and when the measurement accuracy is the same as that of the 300-meter long whole gray bus, the number n of data lines required inside the 1-meter long gray bus is log2(L/u) log2(1000/100) 4 pairs, and the number n of data lines required by the 300-meter long whole gray bus is 12.
After the devices for rapidly replacing the segment-type gray buses are installed according to the schematic diagram of fig. 6, 300 segment-type gray buses with the length of 1 m are connected in series end to form a gray bus with the length of 300 m under the address coding rule that the detection distance is 300 m and the absolute value address is gradually increased from 0 m to 300 m from left to right, and the vehicle-mounted control system calculates the positions of the vehicles according to the read check point information, the read address superposition information and the read segment-type gray code information.
The specific algorithm is as follows: when the moving vehicle passes through each gray bus, the vehicle-mounted address detection device detects a distance signal L1 from 0 m to 1 m and sends the distance signal L1 to the vehicle-mounted control system. In the case of installing 3 transmitters on the ground address check plate, 2 transmitters can be arranged at most around the gray bus3And (3) setting the check plates at 0 meter, 60 meter, 120 meter, 180 meter, 240 meter and 300 meter of the gray bus respectively, enabling the vehicle to pass through the check plates, reading the information of the check plates by the vehicle-mounted address detection device, transmitting a signal to a vehicle-mounted control system, and forcibly checking the address as an absolute value address corresponding to the check plate by the control system. And starting from the position of the second section type gray bus, installing an address superposition transmitter at the initial position of each section type gray bus, when a vehicle passes through the address superposition transmitter, reading the information of the address superposition transmitter by a vehicle-mounted address superposition receiver, transmitting a signal to a vehicle-mounted control system, and accumulating the addresses by the value of the integer generated by the control system. When the vehicle runs from 0 meter to 300 meters, the vehicle passes through the check board at 0 meter, the vehicle-mounted control system forcibly checks the address information to be 0 meter, detects that the gray bus address is L1, and then can calculate that the address L of the vehicle at the sectional gray bus is 0+ L1, when the vehicle continues to run to the right and enters the X-th gray bus position, the vehicle-mounted address superposition receiver is in electromagnetic contact with the address superposition transmitter at the sectional gray bus starting position, the control system accumulates 1 meter for the integral address, and at this time can calculate that the address L of the vehicle is (X-1) + L1 meter, and so on. Similarly, when the vehicle moves in the reverse direction to the left, when the vehicle reaches the position of the section gray bus of the section X (X is not less than 1 and not more than 300), the read gray bus value is L1, the vehicle address L is (X-1) + L1 m, and when the vehicle moves to the position of the next section gray bus to the left, the vehicle-mounted address superposition receiver and the address superposition transmitter at the starting position of the section gray bus are in electromagnetic contact, the control system reduces the integral address by 1 m, and the vehicle address L is (X-1-1) + L1 m at this time, and so on.
When the vehicle reaches the check board at the position of X meters, if the difference value between the vehicle address L (X-1) + L1 meters and the X meters is within the set detection precision range (+ -5 millimeters), the address can be forced to be X meters according to needs, and if the difference value exceeds the set detection precision range, the control system can judge that the address detection device has a fault and carry out forced check, output alarm or stop according to the production condition.
When the gray bus is burnt or is cut and needs to be replaced in a large section, only the whole section of the damaged section type gray bus needs to be taken down, and the section type gray bus with the same length and number is used for replacing the whole section type gray bus, wherein the replacing schematic diagram is shown in fig. 7, and the specific method comprises the following steps:
5. the vehicle body moves in the direction of the gray bus, the change of the address data is observed, the normal address data is continuously and regularly increased or decreased, and if the address is irregularly jumped or fixed, the abnormal operation of one or more section type gray buses of the section of address is indicated.
6. Marking an abnormal address section, and detaching the sectional Gray bus with the fault off line;
7. installing a new section type gray bus and wiring;
8. and debugging, namely checking whether the newly-installed sectional Gray bus signal output is normal.
The working principle is as follows:
referring to fig. 5, a quick-change gray bus is manufactured and installed. Under the address coding rule that the detection distance is 300 meters and the absolute value address increases from left to right, 300 1-meter-length segment-type gray buses are connected in series end to form a 300-meter-length gray bus, and when a moving vehicle passes through each segment of gray buses, the vehicle-mounted address detection device detects a distance signal L1 from 0 meter to 1 meter and sends the distance signal L1 to the vehicle-mounted control system. In this example, 3 transmitters can be installed on the ground address check plate, so that 23-1 to 7 check plates can be installed at most around the gray bus, in this example, check plates are installed at positions of 0 meter, 60 meters, 120 meters, 180 meters, 240 meters and 300 meters respectively, a vehicle passes through the check plates, the vehicle-mounted address detection device reads information of the check plates and then transmits signals to the vehicle-mounted control system, and the control system forcibly checks that the address is an absolute value address corresponding to the check plate. And starting from the position of the second section type gray bus, installing an address superposition transmitter at the initial position of each section type gray bus, when a vehicle passes through the address superposition transmitter, reading the information of the address superposition transmitter by a vehicle-mounted address superposition receiver, transmitting a signal to a vehicle-mounted control system, and accumulating the addresses by the value of the integer generated by the control system. When the vehicle runs from 0 meter to 300 meters, the vehicle passes through the check board at 0 meter, the vehicle-mounted control system forcibly checks the address information to be 0 meter, detects that the gray bus address is L1, and then can calculate that the address L of the vehicle at the sectional gray bus is 0+ L1, when the vehicle continues to run to the right and enters the X-th gray bus position, the vehicle-mounted address superposition receiver is in electromagnetic contact with the address superposition transmitter at the sectional gray bus starting position, the control system accumulates 1 meter for the integral address, and at this time can calculate that the address L of the vehicle is (X-1) + L1 meter, and so on. Similarly, when the vehicle moves in the reverse direction to the left, when the vehicle reaches the position of the section gray bus of the section X (X is not less than 1 and not more than 300), the read gray bus value is L1, the vehicle address L is (X-1) + L1 m, and when the vehicle moves to the position of the next section gray bus to the left, the vehicle-mounted address superposition receiver and the address superposition transmitter at the starting position of the section gray bus are in electromagnetic contact, the control system reduces the integral address by 1 m, and the vehicle address L is (X-1-1) + L1 m at this time, and so on.
When the vehicle reaches the check board at the position of X meters, if the difference value between the vehicle address L (X-1) + L1 meters and the X meters is within the set detection precision range (+ -5 millimeters), the address can be forced to be X meters according to needs, and if the difference value exceeds the set detection precision range, the control system can judge that the address detection device has a fault and carry out forced check, output alarm or stop according to the production condition.
When the gray bus is burnt or is cut to be broken and needs to be replaced in a large section, only the whole damaged section type gray bus needs to be taken down and replaced by section type gray buses with the same length and number, the replacement schematic diagram is shown in fig. 7, and the section type gray buses adopt fewer data lines, so that the replacement and the maintenance are particularly convenient and fast.
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent modifications and substitutions based on the above-mentioned technical solutions are within the scope of the present invention as defined in the claims.
Claims (3)
1. A Gray bus capable of being rapidly replaced is characterized by comprising a ground address check plate, transmitters, a vehicle-mounted address detection device, an address check receiver, an address superposition transmitter, an address superposition receiver and a segment-type Gray bus, wherein more than 1 transmitter is arranged on the ground address check plate and vertically arranged in an 8421 code mode, the ground address check plate is arranged on the ground along the extension direction of the Gray bus and used for transmitting absolute value address check information of the Gray bus to the vehicle-mounted address detection device, the address superposition transmitter is an independent transmitter and arranged at the initial position of each segment-type Gray bus and used for transmitting the absolute value address superposition information of the Gray bus to the vehicle-mounted address detection device, the vehicle-mounted address detection device is arranged on a mobile vehicle and provided with the address check receiver and the address superposition receiver, the installation height and the arrangement sequence of the address verification receivers are consistent with the arrangement height and the sequence of the transmitters on the ground address verification board, the installation height of the address superposition receivers is consistent with the height of the address superposition transmitters, the address superposition receivers are respectively used for receiving signals transmitted by the ground address verification board and the address superposition transmitters, and the signals are sent to the vehicle-mounted control system for verification and calculation of address information.
2. The method for rapidly replacing the Gray bus is characterized by comprising the following steps:
the sectional gray buses with the same specification and length are connected end to end, address information of the mobile vehicle can be detected by matching with a ground address check board, an address superposition transmitter and the like, when the gray buses are burnt or cut and need to be replaced in a large section, only the whole section of the damaged sectional gray buses needs to be taken down, and the sectional gray buses with the same length and number are used for replacement.
3. The method for rapidly replacing a gray bus according to claim 2, wherein the method comprises the following specific steps:
1) the vehicle body moves in the direction of the gray bus, the change of the address data is observed, the normal address data is continuously and regularly increased or decreased, and if the address is irregularly jumped or fixed, the abnormal operation of one or more section type gray buses of the section of address is indicated.
2) Marking an abnormal address section, and detaching the sectional Gray bus with the fault off line;
3) installing a new section type gray bus and wiring;
4) and debugging, namely checking whether the newly-installed sectional Gray bus signal output is normal.
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CN106335760A (en) * | 2016-08-30 | 2017-01-18 | 中国神华能源股份有限公司 | Detection method and system for gray bus data of unloading car |
CN107555319A (en) * | 2017-09-29 | 2018-01-09 | 中国二十冶集团有限公司 | Change CLTS system Gray bus guard methods during crane girder |
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CN1098974A (en) * | 1993-01-22 | 1995-02-22 | 丰田自动车株式会社 | The equipment and the method for processing gear shape |
CN101014484A (en) * | 2004-07-15 | 2007-08-08 | 安全和电子科技有限责任公司 | Safety device to prevent overfilling of a plurality of tanks |
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