CN104714145A - Line detection device and track shielding door control system line detection system and method - Google Patents
Line detection device and track shielding door control system line detection system and method Download PDFInfo
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- CN104714145A CN104714145A CN201410797047.5A CN201410797047A CN104714145A CN 104714145 A CN104714145 A CN 104714145A CN 201410797047 A CN201410797047 A CN 201410797047A CN 104714145 A CN104714145 A CN 104714145A
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Abstract
The embodiment of the invention provides a line detection device and a track shielding door control system line detection system and method. The line detection device comprises a single-chip microcomputer, a switch, LEDs and a LED control device. The single-chip microcomputer comprises a first external input end, a second external input end, N output ends and N input ends, wherein each output end is connected with one LED, each LED is turned on after receiving a low level signal, all the input ends are connected with the LED control device, one end of the switch is grounded, and when the other end of the switch is connected with the first external input end of the single-chip microcomputer, all the output ends of the single-chip microcomputer output low level signals in sequence according to a preset sequence to turn on all the LEDs according to the preset sequence; when the other end of the switch is connected with the second external input end of the single-chip microcomputer, the Kth input end of the single-chip microcomputer receives a low level signal, the LED control device controls the Kth output end to output a low level signal to turn on the Kth LED, wherein N and K are integers, N is larger than or equal to two, and K is larger than zero and smaller than or equal to N.
Description
Technical field
The present invention relates to wireline inspection technical field, particularly relate to a kind of wireline inspection equipment and track screen door control system line detection system and method.
Background technology
In existing track screen door, wire harness (uplink and downlink) can be used to be coupled together by the DCU (Drive Control Unit, train draft control unit) in whole side door shielding control system installing Men Tihou.In the process that DCU is connected, upper and lower line wiring can be there will be and do not connect or the problem such as wrong.
At present, in order to the line that may run into when to solve in existing track screen door the upper and lower line wiring of DCU in single-side-door each shield door Ore-controlling Role does not connect or the problem such as wrong, usually through the large ground by the single line access door body in the uplink of 1 DCU or downlink, and then whether short circuit between the earth detecting the corresponding wired-AND gate body of DCU that other each is surveyed, if short circuit, then illustrate that the connection between two DCU is no problem, if there is no short circuit, circuit existing problems between two DCU are then described, change one after having been detected by this root line again to detect with wire harness, until the wire harness in track screen door control system on all DCU has all detected.
Due to, in track screen door control system, general employing many uplinks connect its each DCU, therefore, prior art is used to detect circuit in track screen door control system, if use N bar wire harness to connect each DCU in track screen door control system, so then at least need connections whether correct, time-consuming, effort in the track screen door control system that just can determine after carrying out detecting for N time to circuit in track screen door control system to detect.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of wireline inspection equipment and track screen door control system line detection system and method, if use N bar wire harness to connect each DCU in track screen door control system to solve in prior art, so then at least need the problem of whether correct, time-consuming, the effort of connections in the track screen door control system that just can determine after carrying out detecting for N time to circuit in track screen door control system to detect.
For achieving the above object, the embodiment of the present invention provides following technical scheme:
A kind of circuit surveys inspection equipment, comprising: single-chip microcomputer, switch, LED and LED opertaing device, wherein,
Described single-chip microcomputer comprises the first external input terminals and the second external input terminals, N number of output terminal and N number of input end, N is integer, N >=2, each output terminal is connected with a LED, and each LED receives bright light after low level signal, and all input ends are all connected with LED opertaing device, one end ground connection of described switch, the other end is connected with single-chip microcomputer first external input terminals or the second external input terminals;
When the other end of described switch is connected with single-chip microcomputer first external input terminals, all output terminals of single-chip microcomputer output low level signal successively in a predetermined order, makes all LED bright light in a predetermined order; When the other end of described switch is connected with single-chip microcomputer second external input terminals, if single-chip microcomputer K input end receives low level signal, then LED opertaing device controls K output terminal output low level signal, makes K LED bright light, K is integer, 0 < K≤N.
Wherein, described wireline inspection equipment also comprises: logic arranges circuit, and described logic arranges circuit and is connected with described single-chip microcomputer, for arranging the order of described single-chip microcomputer each output terminal output low level signal.
Wherein, described wireline inspection equipment also comprises: power circuit, and described power circuit is connected with described single-chip microcomputer, provides burning voltage for giving described single-chip microcomputer.
A kind of track screen door control system line detection system, surveys inspection equipment based on circuit described above, comprising: first line checkout equipment, train draft control unit DCU and the second wireline inspection equipment, wherein,
In described first line checkout equipment, switch one end ground connection other end is connected with single-chip microcomputer in it first external input terminals; In described second wireline inspection equipment, switch one end ground connection other end is connected with single-chip microcomputer in it second external input terminals;
Described DCU comprises some uplinks and downlink, DCU every root uplink is connected by predetermined corresponding relation with each output terminal of the first single-chip microcomputer in first line checkout equipment successively, and DCU every root downlink is connected by predetermined corresponding relation with each input end of second singlechip in the second wireline inspection equipment successively.
Wherein, described track screen door control system line detection system, comprise M DCU, M be greater than 1 integer, the circuit of M DCU is detected simultaneously.
Wherein, when to comprise M DCU, M be the integer being greater than 1 to described track screen door control system line detection system, by a described M DCU is connected in series by the uplink of the downlink of Z DCU as Z+1 DCU, Z is integer, 1≤Z < M.
Wherein, described first line checkout equipment comprises the first panel, and described first panel comprises lead-out terminal, and each uplink of DCU is connected with each output terminal of the first single-chip microcomputer by described lead-out terminal.
Wherein, described second wireline inspection equipment comprises the second panel, and described second panel comprises input terminal, and each downlink of DCU is connected with each input end of second singlechip by described input terminal.
A kind of track screen door control system circuit inspect method, comprising:
The each output terminal of first single-chip microcomputer output low level signal successively in a predetermined order in first line checkout equipment, each low level signal exported passes to DCU respectively by corresponding uplink; In first line checkout equipment, each LED is according to the order bright light successively of the first single-chip microcomputer output terminal output low level signal, determines the bright light order of each LED;
In second wireline inspection equipment, each input end of second singlechip receives each low level signal that the transmission of DCU each downlink comes; In second wireline inspection equipment, LED opertaing device determination second singlechip input end receives the order of low level signal, according to described sequential control second singlechip corresponding output terminal output low level signal; In second wireline inspection equipment, each 2nd LED is according to the order bright light successively of second singlechip output terminal output low level signal, determines the bright light order of each 2nd LED;
Judge that whether the bright light order of a LED is identical with the bright light order of the 2nd LED, if identical, then judges that the connections of described DCE is correct.
Wherein, in first line checkout equipment, each output terminal of the first single-chip microcomputer also comprises before output low level signal in a predetermined order successively: arrange by logic the order that circuit arranges each output terminal output low level of the first single-chip microcomputer in first line checkout equipment.
Based on technique scheme, the wireline inspection equipment that the embodiment of the present invention provides and track screen door control system line detection system and method, wherein, circuit is surveyed inspection equipment and is comprised sheet machine, switch, LED, LED opertaing device, single-chip microcomputer comprises the first external input terminals and the second external input terminals, N number of output terminal and N number of input end, N is integer, N >=2, each output terminal is connected with a LED, each LED receives bright light after low level signal, all input ends are all connected with LED opertaing device, one end ground connection of described switch, the other end is connected with the positive external input terminals of single-chip microcomputer or negative external input terminals, when the other end of described switch is connected with single-chip microcomputer first external input terminals, all output terminals of single-chip microcomputer output low level signal successively in a predetermined order, makes all LED bright light in a predetermined order, when the other end of described switch is connected with single-chip microcomputer second external input terminals, if single-chip microcomputer K input end receives low level signal, then LED opertaing device controls K output terminal output low level signal, makes K LED bright light, K is integer, 0 < K≤N.By two wireline inspection equipment, the wireline inspection equipment be connected with single-chip microcomputer first external input terminals by switch one end ground connection other end in it is claimed to be the first checkout equipment, the wireline inspection equipment be connected with single-chip microcomputer second external input terminals by switch one end ground connection other end in it is claimed to be the second checkout equipment, every for DCU root uplink is connected with each output terminal of the first single-chip microcomputer in first line checkout equipment successively, DCU every root downlink is connected with each input end of second singlechip in the second wireline inspection equipment successively, when detecting track screen door control system circuit, the each output terminal of first single-chip microcomputer output low level signal successively in a predetermined order in first line checkout equipment, the low level signal of each output passes to DCU respectively by corresponding uplink, each LED bright light successively in first line checkout equipment, in second wireline inspection equipment, each input end of second singlechip receives each low level signal that the transmission of DCU each downlink comes, after determining that second singlechip input end receives the order of low level signal, in control first line checkout equipment, the 2nd LED is according to described order successively bright light, afterwards, only need the bright light of judgement the one LED order whether identical with the bright light order of the 2nd LED, just can judge that whether the connections of described DCE is correct.Because single-chip microcomputer has multiple input end and output terminal in line test equipment, in every two wireline inspection equipment, a pair mutual corresponding input end and output terminal can detect a wire harness, therefore, by wireline inspection equipment provided by the invention and track screen door control system line detection system and method, many wire harness can be detected in one-time detection simultaneously, decrease the detection number of times to circuit in track screen door control system, and without the need to carrying out artificial line-to-ground and line short test again, save detection time and manpower.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The connection diagram of the circuit survey inspection equipment that Fig. 1 provides the embodiment of the present invention to provide for the embodiment of the present invention;
The system chart of the track screen door control system line detection system that Fig. 2 provides for the embodiment of the present invention;
Another system chart of the track screen door control system line detection system that Fig. 3 provides for the embodiment of the present invention;
The process flow diagram of the track screen door control system circuit inspect method that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The connection diagram of the circuit survey inspection equipment that Fig. 1 provides for the embodiment of the present invention, with reference to Fig. 1, this circuit is surveyed inspection equipment and is comprised: single-chip microcomputer 10, switch 20, LED 30 and LED opertaing device 40, wherein,
Single-chip microcomputer 10 comprises the first external input terminals P2.3 and the second external input terminals P2.4, N number of output terminal and N number of input end, and N is integer, N >=2.
Optionally, single-chip microcomputer 10 can comprise 7 input ends and 7 output terminals, and be 7 input ends of single-chip microcomputer 10 with reference to Fig. 1, single-chip microcomputer 10 internal pin P1.1 to P1.7, pin P4.0 to P4.6 is 7 output terminals of single-chip microcomputer 10.Output terminal P1.1 can be claimed to be the first output terminal, and output terminal P1.2 is the second output terminal, by that analogy, claims output terminal P1.7 to be the 7th output terminal; Input end P4.0 can be claimed to be first input end, and input end P4.1 is the second input end, by that analogy, claims input end P4.6 to be the 7th input end.
Each output terminal is connected with a LED30, and each LED30 receives bright light after low level signal.
Optionally, when single-chip microcomputer 10 comprises 7 input ends and 7 output terminals, circuit surveys inspection equipment can comprise 7 LED30 accordingly, can claim is first single led with the LED30 of output terminal P1.1, the LED30 be connected with output terminal P1.2 is second single led, by that analogy, the LED30 be connected with output terminal P1.7 is claimed to be the 7th single led.
Because each LED30 is connected with an output terminal of single-chip microcomputer 10, when the output terminal output low level signal of single-chip microcomputer 10, LED30, by conducting, makes LED luminous, i.e. bright light.
All input ends of single-chip microcomputer 10 are all connected with a LED opertaing device 40, the wherein corresponding input end output low level signal of low level signal control single chip computer 10 that receives according to single-chip microcomputer 10 input end of LED opertaing device 40, such as, with reference to Fig. 1, when single-chip microcomputer input end P4.0 receives low level signal, LED opertaing device 40 control single chip computer output terminal P1.1 output low level signal, makes the LED30 bright light be connected with output terminal P1.1.
One end ground connection of switch 20, external input terminals P2.3 or the second external input terminals P2.4 of the other end and single-chip microcomputer 10 are connected,
When the other end of switch 20 is connected with the first external input terminals P2.3 of single-chip microcomputer 10, all output terminals of single-chip microcomputer 10 output low level signal successively in a predetermined order, makes all LED30 bright light in a predetermined order; Such as, if output terminal is according to from the first output terminal to the order of the 7th output terminal successively output low level signal in single-chip microcomputer 10, then LED30 is according to the first single led bright light, the second single led bright light ... the order of the 7th single led bright light carries out bright light.
When the other end of switch 20 is connected with the second external input terminals P2.4 of single-chip microcomputer 10, if a single-chip microcomputer 10 K input end receives low level signal, then LED opertaing device 40 controls K output terminal output low level signal, make K LED bright light, K is integer, 0 < K≤N.Such as, when the other end of switch 20 is connected with the second external input terminals P2.4 of single-chip microcomputer 10, the first input end of single-chip microcomputer 10 receives low level signal, then the first output terminal output low level signal of LED opertaing device 40 control single chip computer 10, makes the first single led bright light.
Based on technique scheme, the wireline inspection equipment that the embodiment of the present invention provides, comprise sheet machine, switch, LED, LED opertaing device, single-chip microcomputer comprises the first external input terminals and the second external input terminals, N number of output terminal and N number of input end, N is integer, N >=2, each output terminal is connected with a LED, each LED receives bright light after low level signal, all input ends are all connected with LED opertaing device, one end ground connection of described switch, the other end is connected with the positive external input terminals of single-chip microcomputer or negative external input terminals; When the other end of described switch is connected with single-chip microcomputer first external input terminals, all output terminals of single-chip microcomputer output low level signal successively in a predetermined order, makes all LED bright light in a predetermined order; When the other end of described switch is connected with single-chip microcomputer second external input terminals, if single-chip microcomputer K input end receives low level signal, then LED opertaing device controls K output terminal output low level signal, makes K LED bright light, K is integer, 0 < K≤N.By two wireline inspection equipment, the wireline inspection equipment be connected with single-chip microcomputer first external input terminals by switch one end ground connection other end in it is claimed to be the first checkout equipment, the wireline inspection equipment be connected with single-chip microcomputer second external input terminals by switch one end ground connection other end in it is claimed to be the second checkout equipment, every for DCU root uplink is connected with each output terminal of the first single-chip microcomputer in first line checkout equipment successively, DCU every root downlink is connected with each input end of second singlechip in the second wireline inspection equipment successively, when detecting track screen door control system circuit, the each output terminal of first single-chip microcomputer output low level signal successively in a predetermined order in first line checkout equipment, the low level signal of each output passes to DCU respectively by corresponding uplink, each LED bright light successively in first line checkout equipment, in second wireline inspection equipment, each input end of second singlechip receives each low level signal that the transmission of DCU each downlink comes, after determining that second singlechip input end receives the order of low level signal, in control first line checkout equipment, the 2nd LED is according to described order successively bright light, afterwards, only need the bright light of judgement the one LED order whether identical with the bright light order of the 2nd LED, just can judge that whether the connections of described DCE is correct.Because single-chip microcomputer has multiple input end and output terminal in line test equipment, in every two wireline inspection equipment, a pair mutual corresponding input end and output terminal can detect a wire harness, therefore, by wireline inspection equipment provided by the invention and track screen door control system line detection system and method, many wire harness can be detected in one-time detection simultaneously, decrease the detection number of times to circuit in track screen door control system, and without the need to carrying out artificial line-to-ground and line short test again, save detection time and manpower.
Optionally, with reference to Fig. 1, this circuit survey inspection equipment can also comprise logic and arrange circuit 50, when needing the order arranging each output terminal output low level in single-chip microcomputer 10, logic is arranged circuit 50 to be connected with single-chip microcomputer 10, the order of output terminal output low level signal each in single-chip microcomputer 10 is arranged.
When first time, the order of output terminal output low level signal each in single-chip microcomputer 10 is arranged, namely before this carries out logic setting to single-chip microcomputer 10, never cross to single-chip microcomputer carry out logic arrange time, then logical device circuit 50 directly interpolation low level signal output logic single-chip microcomputer 10 in; When the order of non-first time to output terminal output low level signal each in single-chip microcomputer 10 is arranged, owing to having preserved low level signal output logic in single-chip microcomputer 10, therefore, first original low level signal output logic can be deleted, newer low level signal output logic is added.
Optionally, with reference to Fig. 1, this wireline inspection equipment can also comprise: power circuit 60, the DVCC namely in Fig. 1, provides burning voltage can to single-chip microcomputer 10, ensure the stability that single-chip microcomputer 10 works by power circuit 60.
Below the track screen door control system line detection system that the embodiment of the present invention provides is introduced, track screen door control system line detection system described below is based on above-described wireline inspection equipment, and this track screen door control system line detection system can detect circuit in track screen door control system.
The system chart of the track screen door control system line detection system that Fig. 2 provides for the embodiment of the present invention, with reference to Fig. 2, this track screen door control system line detection system can comprise: first line checkout equipment 1, train draft control unit DCU2 and the second wireline inspection equipment 3, wherein
In first line checkout equipment 1, switch one end ground connection other end is connected with single-chip microcomputer in it first external input terminals, and in the second wireline inspection equipment 3, switch one end ground connection other end is connected with single-chip microcomputer in it second external input terminals;
When switch one end ground connection other end of wireline inspection equipment is connected with single-chip microcomputer in it first external input terminals, all output terminals of single-chip microcomputer output low level signal successively in a predetermined order in wireline inspection equipment, the bright light successively that each LED be connected to each output terminal will be corresponding.
When in wireline inspection equipment, switch one end ground connection other end is connected with single-chip microcomputer in it second external input terminals, if certain input end of single-chip microcomputer receives low level signal in it, then LED opertaing device controls the corresponding output terminal output low level signal of this input end, makes the LED bright light that this input end is corresponding.
DCU2 comprises some uplinks and downlink, DCU2 every root uplink is connected by predetermined corresponding relation with each output terminal of the first single-chip microcomputer in first line checkout equipment 1, and DCU2 every root downlink is connected by predetermined corresponding relation with each input end of second singlechip in the second wireline inspection equipment 3.
Optionally, when in first line checkout equipment 1 and the second wireline inspection equipment 3, single-chip microcomputer all includes 7 input ends and output terminal, the first up bus in DCU2 can be set be connected with the first output terminal of the first single-chip microcomputer in first line checkout equipment 1, in setting DCU2, the second up bus is connected with the second output terminal of the first single-chip microcomputer in first line checkout equipment 1, the like, until the 7th uplink in DCU2 is connected with the 7th output terminal of the first single-chip microcomputer in first line checkout equipment 1;
Because the first input end of wireline inspection equipment is corresponding with the first output terminal, second input end is corresponding with the second output terminal ... 7th input end is corresponding with the 7th output terminal, therefore, corresponding, also should arrange the first Down-link HighWay in DCU2 to be connected with the first input end of second singlechip in the second wireline inspection equipment 3 simultaneously, arrange the second Down-link HighWay in DCU2 to be connected with the second input end of second singlechip in the second wireline inspection equipment 3, the like, until be connected arranging the 7th Down-link HighWay in DCU2 with the 7th input end of second singlechip in the second wireline inspection equipment 3.
Therefore, if there is wiring all correct in DCU2, the low level signal that then first line checkout equipment 1 first output terminal exports will be input to the first input end of the second wireline inspection equipment 3 by DCU2, same, the low level signal of the second to the 7th output terminal output of first line checkout equipment 1 also can be input to the second to the 7th input end of the second wireline inspection equipment 3 respectively by DCU2.
Therefore, if first line checkout equipment 1 is according to the first single led bright light, the second single led bright light ... the order of the 7th single led bright light carries out bright light, if then there is wiring all correct in DCU2, then also can according to the first single led bright light, the second single led bright light in the second wireline inspection equipment 3 ... the order of the 7th single led bright light carries out bright light.
If have wiring error in DCU2, then in the second wireline inspection equipment 3 the bright light order of LED by inconsistent with the bright light of LED in first line checkout equipment 1 order, if second downlink of DCU2 has been regarded the first downlink, first downlink has been regarded the second downlink, then the second wireline inspection equipment 3 will according to the second single led bright light, the first single led bright light, the 3rd single led bright light, the 4th single led bright light ... the order of the 7th single led bright light carries out bright light.
If have service interruption in DCU2 or do not connect steady, then in the second wireline inspection equipment 3 this obstructed or do not meet steady LED can not bright light, if second uplink of DCU2 is obstructed or do not connect steady, then the second wireline inspection equipment 3 will according to the first single led bright light, without bright light, the 3rd single led bright light ... the order of the 7th single led bright light carries out bright light.
Optionally, when the total number of circuit in DCU2 is than when in first line checkout equipment and the second wireline inspection equipment, the total number of output terminal or output terminal is few, then circuits all in this DCU2 is all accessed first line checkout equipment and the second wireline inspection equipment, all circuits in the complete DCU2 of one-time detection; When the total number of circuit in DCU2 is than when in first line checkout equipment and the second wireline inspection equipment, the total number of output terminal or output terminal is many, then can be complete by the wireline inspection in batches by all in DCU2, such as, there are 12 circuits in DCU2,7 output terminals are only had in first line checkout equipment and the second wireline inspection equipment, then twice detection can be passed through, each detection 6 circuits, by complete for wireline inspection all in DCU2.
Optionally, Fig. 3 shows another system chart of the track screen door control system line detection system that the embodiment of the present invention provides, with reference to Fig. 3, this track screen door control system line detection system can comprise two or more DCU2, and namely this track screen door control system line detection system can detect the circuit of two or more DCU2 simultaneously.
With reference to Fig. 3, when track screen door control system line detection system detects the circuit of two or more DCU2 simultaneously, be provided with M DCU2, the DCU2 be connected with first line checkout equipment is claimed to be the 1st DCU2, be M DCU2 by the DCU2 be connected with the second wireline inspection equipment, then can using the X root uplink of the X root downlink of Z DCU2 as Z+1 DCU2, wherein Z is integer, 1≤Z < M.
If the first line checkout equipment connecting the 1st DCU2 is identical with the bright light order of the second wireline inspection equipment connecting M DCU2, then illustrate that the line of all DCU2 between the 1st DCU2 to M DCU2 is all correct, if different, then also can carry out the detection into.
Optionally, first line checkout equipment 1 can comprise the first panel, and optionally, the first panel can comprise lead-out terminal, each uplink of DCU2 is connected with each output terminal of the first single-chip microcomputer in first line checkout equipment by this lead-out terminal, operation and wiring can be made according to convenient directly perceived.
Accordingly, optionally, the second wireline inspection equipment 3 can comprise the second panel, and optionally, the second face can comprise input terminal, and each downlink of DCU2 is connected with each input end of second singlechip by this input terminal.
Wherein, it should be noted that, certain wireline inspection equipment is first line checkout equipment or the second checkout equipment, the position of switch in this wireline inspection equipment is had to determine, the wireline inspection equipment that switch one end ground connection other end in it is connected with the first external input terminals is called first line checkout equipment, the wireline inspection equipment that switch one end ground connection other end in it is connected with the second external input terminals is called the second wireline inspection equipment.
Wherein, also it should be noted that, first first line checkout equipment or the second wireline inspection equipment are connected decision which root line to be uplink with Na Gen line be downlink has this root in DCU, the line be connected with first line checkout equipment is called uplink, the line be connected with the second wireline inspection equipment in DCU is called downlink.
The track screen door control system line detection system that the embodiment of the present invention provides, many wire harness can be detected in one-time detection simultaneously, decrease the detection number of times to circuit in track screen door control system, and without the need to carrying out artificial line-to-ground and line short test again, save detection time and manpower.
Be introduced the track screen door control system circuit inspect method that the embodiment of the present invention provides below, track screen door control system circuit inspect method described below is based on above-described track screen door control system line detection system and wireline inspection equipment.
The process flow diagram of the track screen door control system circuit inspect method that Fig. 4 provides for the embodiment of the present invention, with reference to Fig. 4, this track screen door control system circuit inspect method can comprise:
Step S100: each output terminal of the first single-chip microcomputer output low level signal successively in a predetermined order in first line checkout equipment, each low level signal exported passes to DCU respectively by corresponding uplink; In first line checkout equipment, each LED is according to the order bright light successively of the first single-chip microcomputer output terminal output low level signal, determines the bright light order of each LED;
Herein, one LED comprises all LED in first line checkout equipment, such as, if comprise in first line checkout equipment 7 single led, first is single led single led to the 7th, then a LED comprise in first line checkout equipment whole these 7 single led.
In step S200: the second wireline inspection equipment, each input end of second singlechip receives each low level signal that the transmission of DCU each downlink comes; In second wireline inspection equipment, LED opertaing device determination second singlechip input end receives the order of low level signal, according to described sequential control second singlechip corresponding output terminal output low level signal; In second wireline inspection equipment, each 2nd LED is according to the order bright light successively of second singlechip output terminal output low level signal, determines the bright light order of each 2nd LED;
Same, it is all single led that the 2nd LED comprises in the second wireline inspection equipment, such as, if comprise in the second wireline inspection equipment 7 single led, then a LED comprise in first line checkout equipment whole these 7 single led.
Step S300: judge that whether the bright light order of the first equipment LED is identical with the bright light order of the 2nd LED, if identical, then judges that the connections of described DCE is correct.
If the bright light order of a LED is not identical with the bright light order of the 2nd LED, then can judges that single line road in DCU goes wrong according to the bright light order of the bright light order and the 2nd LED that compare a LED, only need one-time detection just can detect many circuits.
Optionally, in carry out step 100, in first line checkout equipment, each output terminal of the first single-chip microcomputer, in a predetermined order successively before output low level signal, can also arrange by logic the order that circuit arranges each output terminal output low level of the first single-chip microcomputer in first line checkout equipment.
If need detect circuit total number than the input end of first line checkout equipment or the total number of output terminal few, then the order that circuit arranges each output terminal output low level of the first single-chip microcomputer in first line checkout equipment can be set by logic, make in first line checkout equipment, to only have the output terminal output low level signal of specifying.
Optionally, can simultaneously to the wiring inspection and repair system to platform DCU.
The track screen door control system circuit inspect method that the embodiment of the present invention provides, many wire harness can be detected in one-time detection simultaneously, decrease the detection number of times to circuit in track screen door control system, and without the need to carrying out artificial line-to-ground and line short test again, save detection time and manpower
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. circuit surveys an inspection equipment, it is characterized in that, comprising: single-chip microcomputer, switch, LED and LED opertaing device, wherein,
Described single-chip microcomputer comprises the first external input terminals and the second external input terminals, N number of output terminal and N number of input end, N is integer, N >=2, each output terminal is connected with a LED, and each LED receives bright light after low level signal, and all input ends are all connected with LED opertaing device, one end ground connection of described switch, the other end is connected with single-chip microcomputer first external input terminals or the second external input terminals;
When the other end of described switch is connected with single-chip microcomputer first external input terminals, all output terminals of single-chip microcomputer output low level signal successively in a predetermined order, makes all LED bright light in a predetermined order; When the other end of described switch is connected with single-chip microcomputer second external input terminals, if single-chip microcomputer K input end receives low level signal, then LED opertaing device controls K output terminal output low level signal, makes K LED bright light, K is integer, 0 < K≤N.
2. wireline inspection equipment according to claim 1, is characterized in that, also comprise: logic arranges circuit, and described logic arranges circuit and is connected with described single-chip microcomputer, for arranging the order of described single-chip microcomputer each output terminal output low level signal.
3. wireline inspection equipment according to claim 1, is characterized in that, also comprise: power circuit, and described power circuit is connected with described single-chip microcomputer, provides burning voltage for giving described single-chip microcomputer.
4. a track screen door control system line detection system, is characterized in that, surveys inspection equipment, comprising: first line checkout equipment, train draft control unit DCU and the second wireline inspection equipment based on the circuit according to any one of claims 1 to 3, wherein,
In described first line checkout equipment, switch one end ground connection other end is connected with single-chip microcomputer in it first external input terminals; In described second wireline inspection equipment, switch one end ground connection other end is connected with single-chip microcomputer in it second external input terminals;
Described DCU comprises some uplinks and downlink, DCU every root uplink is connected by predetermined corresponding relation with each output terminal of the first single-chip microcomputer in first line checkout equipment successively, and DCU every root downlink is connected by predetermined corresponding relation with each input end of second singlechip in the second wireline inspection equipment successively.
5. track screen door control system line detection system according to claim 4, is characterized in that, comprise M DCU, M be greater than 1 integer, the circuit of M DCU is detected simultaneously.
6. track screen door control system line detection system according to claim 5, it is characterized in that, when comprising M DCU, when M is the integer being greater than 1, by a described M DCU is connected in series by the uplink of the downlink of Z DCU as Z+1 DCU, Z is integer, 1≤Z < M.
7. track screen door control system line detection system according to claim 4, it is characterized in that, described first line checkout equipment comprises the first panel, and described first panel comprises lead-out terminal, and each uplink of DCU is connected with each output terminal of the first single-chip microcomputer by described lead-out terminal.
8. track screen door control system line detection system according to claim 4, it is characterized in that, described second wireline inspection equipment comprises the second panel, and described second panel comprises input terminal, and each downlink of DCU is connected with each input end of second singlechip by described input terminal.
9. a track screen door control system circuit inspect method, is characterized in that, comprising:
The each output terminal of first single-chip microcomputer output low level signal successively in a predetermined order in first line checkout equipment, each low level signal exported passes to DCU respectively by corresponding uplink; In first line checkout equipment, each LED is according to the order bright light successively of the first single-chip microcomputer output terminal output low level signal, determines the bright light order of each LED;
In second wireline inspection equipment, each input end of second singlechip receives each low level signal that the transmission of DCU each downlink comes; In second wireline inspection equipment, LED opertaing device determination second singlechip input end receives the order of low level signal, according to described sequential control second singlechip corresponding output terminal output low level signal; In second wireline inspection equipment, each 2nd LED is according to the order bright light successively of second singlechip output terminal output low level signal, determines the bright light order of each 2nd LED;
Judge that whether the bright light order of a LED is identical with the bright light order of the 2nd LED, if identical, then judges that the connections of described DCE is correct.
10. track screen door control system circuit inspect method according to claim 9, it is characterized in that, in first line checkout equipment, each output terminal of the first single-chip microcomputer also comprises before output low level signal in a predetermined order successively: arrange by logic the order that circuit arranges each output terminal output low level of the first single-chip microcomputer in first line checkout equipment.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202025058U (en) * | 2011-04-26 | 2011-11-02 | 重庆市电力公司永川供电局 | Digital display secondary cable core aligner based on wireless technology |
| CN202330605U (en) * | 2011-11-08 | 2012-07-11 | 浙江大学 | Wiring automatic detection bread board |
| CN202548266U (en) * | 2012-05-03 | 2012-11-21 | 福州市公共交通集团有限责任公司 | Combined type intelligent detector for circuit wiring harnesses of automobile |
| CN202600084U (en) * | 2012-05-07 | 2012-12-12 | 陈瑾彬 | Connecting line detector |
| CN203587733U (en) * | 2013-12-15 | 2014-05-07 | 江西科技学院 | Computer cable connection detection circuit |
| CN203658514U (en) * | 2013-12-20 | 2014-06-18 | 河南中分仪器股份有限公司 | Flat cable testing device |
-
2014
- 2014-12-19 CN CN201410797047.5A patent/CN104714145B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202025058U (en) * | 2011-04-26 | 2011-11-02 | 重庆市电力公司永川供电局 | Digital display secondary cable core aligner based on wireless technology |
| CN202330605U (en) * | 2011-11-08 | 2012-07-11 | 浙江大学 | Wiring automatic detection bread board |
| CN202548266U (en) * | 2012-05-03 | 2012-11-21 | 福州市公共交通集团有限责任公司 | Combined type intelligent detector for circuit wiring harnesses of automobile |
| CN202600084U (en) * | 2012-05-07 | 2012-12-12 | 陈瑾彬 | Connecting line detector |
| CN203587733U (en) * | 2013-12-15 | 2014-05-07 | 江西科技学院 | Computer cable connection detection circuit |
| CN203658514U (en) * | 2013-12-20 | 2014-06-18 | 河南中分仪器股份有限公司 | Flat cable testing device |
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|---|---|
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