CN1888929A - Apparatus and method for detecting railway signal relay connector uniform - Google Patents
Apparatus and method for detecting railway signal relay connector uniform Download PDFInfo
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- CN1888929A CN1888929A CN 200610047254 CN200610047254A CN1888929A CN 1888929 A CN1888929 A CN 1888929A CN 200610047254 CN200610047254 CN 200610047254 CN 200610047254 A CN200610047254 A CN 200610047254A CN 1888929 A CN1888929 A CN 1888929A
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Abstract
This is a test installation using for contact uniformity to railway signal relay. It relates to tiny controller MCU for getting contact style data from the relay, LCD liquid crystal display, contact state indicator of LED and search key. This is the method to achieve the memory of normal and discriminating contact style of the relay, the self-motion search of the need test contact style of the relay and the real time track of the relay contact uniformity. It can be used alone and self-motion search for the permutation and combination type of relay contact to fast diagnose the fault about anterior, posterior contact uniformity and badness contact. It enhances the automatization degree and production quality to reduce the manpower and cost as a convenient assistant to people with veracious inspection result.
Description
Technical field
The invention belongs to the testing techniques of equipment field, specifically a kind of pick-up unit of railway signal relay connector uniform and method.
Background technology
As everyone knows, relay is a kind of electronic equipment performer, it has control system (claim not only input circuit) and Be Controlled system (but also claiming output loop), is applied to usually in the automatic control circuit, and it is actually a kind of " automatic switch " that removes to control big electric current with less current.So in circuit, play effects such as automatic adjusting, safeguard protection, change-over circuit.The type of relay is a lot, and railway signal relay mostly is electromagnetic type relay, and this relay generally is made up of iron core, coil, armature, contact reed etc.As long as add certain voltage at the coil two ends, will flow through certain electric current in the coil, thereby generation galvanomagnetic effect, armature will overcome the pulling force of return spring under the effect of electromagnetic attracting force inhales to iron core, thereby drives the movable contact and front contact (normally opened contact) adhesive of armature.Behind coil blackout, the suction of electromagnetism also disappears thereupon, and armature will return original position at the reacting force of spring, make movable contact and original back contact (normally closed contact) adhesive.Adhesive like this, release, thus reached the conducting in circuit, the purpose of cut-out.For " back contact " and " front contact " of relay, can distinguish like this: when relay coil is not switched on and movable contact be in the contact of off-state, be called " front contact " (normally opened contact); The contact that is in conducting state with movable contact is called " back contact " (normally closed contact).
The performance quality of railway signal relay directly has influence on the railroad train security of operation, so to the Performance Detection of relay by being important, and connector uniform is one of important indicator of railway signal relay in the numerous performance parameter of relay itself, and connector uniform promptly refers to detect relay energized or back contact or front contact conducting or whether synchronously to disconnect (maximum 8 groups of forward and backward contacts) when falling.The method of traditional measurement railway signal relay connector uniform is that relay is inserted on the mobile test dish socket, again mobile test dish cable is connected with " railway signal relay Comprehensive Parameter Test Rig for Electrical ", at first select the measured relay model by button on the manual operation test board or knob, can not directly search for the measured relay model automatically, complex operation is selected to finish the connector uniform test after the measured relay model.Breaking away from test board can't detect, and test board Shi Fen Ang is expensive, about about 30,000 yuan to 80,000 yuan.
Summary of the invention
The purpose of this invention is to provide a kind of intelligent high, cost is low and the pick-up unit and the method for railway signal relay connector uniform accurately.
The object of the present invention is achieved like this: a kind of pick-up unit of railway signal relay connector uniform is characterized in that: it is provided with the microcontroller MCU that obtains measured relay contact categorical data and compare with internal storage data from Relay base; Be provided with the LCD LCD that microcontroller MCU is shown in the relay types the discerned information of confirming relatively later on; Be provided with by microcontroller MCU the LED contact positioning indicator that the judged result of relay tip conducting state shows, be provided with and drive " search " key that microcontroller MCU continues search measured relay contact type.
A kind of detection method of railway signal relay connector uniform is characterized in that:
(1) microcontroller MCU and LCD LCD enter reset mode, all of the port output high level;
(2) microcontroller MCU at first according to from front to back order in " can discern the relay tip list of types " to all movable contacts of measured relay output test low levels " 0 ";
(3) microcontroller MCU carries out the read data function, reads measured relay contact logic level and convert 4 hexadecimal codes to deposit microcontroller MCU buffer zone in;
(4) microcontroller MCU will deposit the coding of buffer zone and " can discern the relay tip type " in the internal memory in standard code relatively, the carrying out that comparative result conforms to next step, the repetition that does not conform to (1) is to (4);
(5) after microcontroller MCU affirmation searches and can discern relay types, the measured relay contact type information that searches is delivered to the LCD liquid crystal display displays;
(6) microcontroller MCU is to each group back contact and front contact conducting state real-time follow-up test, and the LED by corresponding contact in the MCU driving LED contact positioning indicator lights or extinguish, and observes connector uniform.
Pick-up unit of the present invention must not connect test board and input relay model, can independently use fully, and can search for the existing general various relay tip permutation and combination types of railway automatically, the front contact of quick diagnosis relay is spent together, back contact is spent together and fault such as loose contact; For maintainer's maintenance repair relay is very convenient assistant, also can be applied on the relay production line simultaneously, improves production line automation degree and product quality, and it is lower to reduce a large amount of manpower work and cost.Advantages such as it is simple to operate that detection method of the present invention also possesses step, and testing result is directly perceived accurate.
Description of drawings
Fig. 1 is a program flow diagram of the present invention;
Fig. 2 is a device connection diagram of the present invention;
Fig. 3 reads the circuit diagram that the contact model is the 8QH relay for the present invention;
Fig. 4 reads the circuit diagram that the contact model is the 4QH-A relay for the present invention;
Fig. 5 drives LCD LCD and buzzer circuit figure for MCU;
Fig. 6 is MCU driving LED contact status indicator circuit figure.
Embodiment
By shown in Figure 2, the present invention is a kind of pick-up unit of railway signal relay connector uniform, it is characterized in that: it is provided with the microcontroller MCU that obtains measured relay contact categorical data and compare with internal storage data from Relay base; Be provided with the LCD LCD that microcontroller MCU is shown in the relay types the discerned information of confirming relatively later on; Be provided with the LED contact positioning indicator that the judged result of relay tip conducting state is shown by microcontroller MCU, be provided with and drive " search " key that microcontroller MCU continues search measured relay contact type, be provided with " resetting " key that when changing detected relay, microcontroller MCU and LCD LCD is resetted, also be provided with after microcontroller MCU confirms to discern relay types and drive the hummer that carries out auditory tone cues by microcontroller MCU.
By shown in Figure 1, the detection method that the present invention utilizes above device to detect railway signal relay connector uniform is made up of following step:
(1), this device writes " can discern the relay tip type " standard code in the storer of microcontroller MCU.That is: to all relay movable contact output low levels " 0 ", the high level " 1 " of output when then low level of exporting when back contact and movable contact conducting " 0 " and front contact and movable contact disconnect writes in the storer of microcontroller MCU after being compiled into 4 sexadecimal standard codes in certain sequence.Table 1 is 4 sexadecimal standard codes that write the relay tip the discerned type of microcontroller MCU internal memory;
Table 1 can be discerned the relay tip type
| Numbering | The contact | Standard code | |
| 1 | 8QH | 0x9204 | |
| 2 | 6QH-A | 0x9909 | |
| 3 | 6QH-B | 0xf204 | |
| 4 | 4QH_A | 0xfe04 | |
| 5 | 4QH_B | 0xf207 | |
| 6 | 4QH_C | 0xf909 | |
| 7 | 4QH_2Q_A | 0xf604 | |
| 8 | 4QH_2Q_B | 0xf205 | |
| 9 | 4QH_2Q_C | 0x920f | |
| 10 | 4QJ_2H_A | 0xdd03 | |
| 11 | 4QJ_2H_B | 0x3b07 | |
| 12 | | 0xee0f | |
| 13 | 2QH_2H | 0xfe04 | |
| 14 | 2QH_2Q | 0xfe05 | |
| 15 | 2QHJ_2H_A | 0xce0b | |
| 16 | 2QHJ_2H_B | 0x870f | |
| 17 | 2QH_2QJ | 0x9d0f | |
| 18 | 2QH_A | 0x9f0f | |
| 19 | 2QH_B | 0xfe07 | |
| 20 | 2QH_C | 0xf30f | |
| 21 | 2QH_D | 0xff0c | |
| 22 | 2QHJ_2QH_A | 0xce0b | |
| 23 | 2QHJ_2QH_B | 0x9a0f | |
| 24 | 2Q_4HJ | 0xaa0b | |
| 25 | 2QJ_2HJ_2H | 0x3907 | |
| 26 | 2QHJ_2QJ_2QH | 0x9a0e |
Annotate: the Q-front contact, the H-back contact, J-strengthens contact
(2), microcontroller MCU and LCD LCD enter reset mode, all of the port output high level, so 16 LED all do not work in the LED contact positioning indicator;
(3), microcontroller MCU at first according to from front to back order in " can discern the relay tip type " tabulation to all movable contacts of measured relay output test low levels " 0 "; Promptly numbering 1 to 26 order is from front to back tested low levels " 0 " to all movable contact outputs of measured relay from table 1;
(4), microcontroller MCU carries out the read data function, read measured relay contact logic level and convert 4 hexadecimal codes to deposit microprocessor MCU buffer zone in;
(5), microcontroller MCU will deposit 4 hexadecimal codes of buffer zone and " can discern the relay tip type " in the internal memory in 4 sexadecimal standard codes relatively, the carrying out that comparative result conforms to next step, the MCU that does not conform to resets to high level " 1 " LCD cls simultaneously with contact port, and low levels " 0 " are tested in all movable contact outputs of next contact type in " can discern the relay tip list of types ", promptly repeat (2) to (5), till searching measured relay contact type;
(6), microcontroller MCU confirm to search can discern relay types after, the measured relay contact type information that searches is delivered to the LCD liquid crystal display displays, drive the hummer prompting of sounding simultaneously;
(7), microcontroller MCU is to each group back contact and front contact conducting state tracking and testing, and the LED by corresponding contact in the MCU driving LED contact positioning indicator lights or extinguishes, and observes connector uniform.
Specifically detecting can discern relay tip type 8QH is example, and microcontroller MCU and LCD LCD enter reset mode after the energized, all of the port output high level " 1 ", so 16 LED all do not work in the LED contact positioning indicator; Microcontroller MCU at first according to from front to back order in " can discern the relay tip type " tabulation to all movable contacts of measured relay output test low levels " 0 "; Promptly the order from front to back of numbering 1 to 26 is to all movable contact output test low levels " 0 " of measured relay from table 1, i.e. low level " 0 " is tested in all movable contact P81, P61, P41, P21 and P71, the P51 of measured relay contact type " 8QH ", P31, P11 output; Microcontroller MCU carries out the read data function, read measured relay contact logic level and convert 4 hexadecimal codes to and deposit microcontroller MCU buffer zone in, 4 sexadecimal standard codes that microcontroller MCU will deposit 4 hexadecimal codes of buffer zone and " can discern the relay tip type " in the internal memory in relatively, the carrying out that comparative result conforms to next step, the MCU that does not conform to resets to high level " 1 " LCD cls simultaneously with contact port, and low levels " 0 " are tested in all movable contact outputs of next contact type in " can discern the relay tip type " tabulation, promptly repeat (2) to (5), till searching measured relay contact type, because measured relay contact type is " 8QH ", microcontroller MCU confirms to search, then measured relay contact type information is delivered to the LCD liquid crystal display displays, drive the hummer prompting of sounding simultaneously; Below function be automatic output and the search function that reads measured relay contact logic level: void Disting_REL (CODE) defines automatic search function, CODE be standard code
Reset_Point (); The MCU port reset is to high level " 1 "
P81=0; Below 8 row to movable contact output test level " 0 "
P61＝0； (8QH)
P41＝0；
P21＝0；
P71＝0；
P51＝0；
P31＝0；
P11＝0；
Read_Point (); Read the contact state
Wirt_COM (Rest); The LCD cls
If (REL_Pint==CODE) DIS=1; Compare with standard code
if(LEF_Pint＝＝CODE)DIS＝1；
If (DIS==1) searches measured relay contact type
{
Key_Voice (); Drive hummer
TypeCode＝1；
Wirt_Data (0x38); Drive the LCD display message
Wirt_Data(0x51)；
Wirt_Data(0x48)；
return；
}}
By Fig. 3, shown in Figure 4, back contact logic level and front contact logic level that MCU reads 8QH are encoded to 100100100100B (16 scale-of-two), and converting 4 hexadecimal codes to is 0x9204; The back contact logic level of 4QH-A and front contact logic level are encoded to 111111100100B (16 scale-of-two), and converting 4 hexadecimal codes to is 0xfe04.The left side contact and the right side contact symmetry of general relay as long as side joint point logic level coding conforms to the standard code of MCU internal memory, just can be assert to have searched measured relay contact type.Utilize this point, still can search measured relay contact type even a side joint point damages MCU.After searching measured relay contact type, microcontroller MCU is to each group back contact and front contact conducting state real-time follow-up test, and by shown in Figure 6, and the LED by corresponding contact in the MCU driving LED contact positioning indicator lights or extinguishes, and observes connector uniform.The neat degree of test function is as follows: void Follow_8QH () definition tracking and testing 8QH function // * * * * * * * * * back contact * * * * * * * * //
If (P83==0) P4=P4﹠amp; 0xfe; Do you judge whether conducting of back contact? be to light LED
Else P4=P4|0x01; Not to extinguish LED
if(P63＝＝0)P4＝P4&0xfd；
else?P4＝P4|0x02；
if(P43＝＝0)P4＝P4&0xfb；
else?P4＝P4|0x04；
if(P23＝＝0)P4＝P4&0xf7；
else?P4＝P4|0x08；
if(P73＝＝0)P4＝P4&0xef；
else?P4＝P4|0x10；
if(P53＝＝0)P4＝P4&0xdf；
else?P4＝P4|0x20；
if(P33＝＝0)P4＝P4&0xbf；
else?P4＝P4|0x40；
if(P13＝＝0)P4＝P4&0x7f；
Else P4=P4|0x80; // * * * * * * * * * front contact * * * * * * * * * //
If (P82==0) P5=P5﹠amp; 0xfe; Do you judge whether conducting of front contact? be to light LED
Else P5=P5|0x01; Not to extinguish LED
if(P62＝＝0)P5＝P5&0xfd；
else?P5＝P50x02；
if(P42＝＝0)P5＝P5&0xfb；
else?P5＝P5|0x04；
if(P22＝＝0)P5＝P5&0xf7；
else?P5＝P5|0x08；
if(P72＝＝0)P5＝P5&0xef；
else?P5＝P5|0x10；
if(P52＝＝0)P5＝P5&0xdf；
else?P5＝P5|0x20；
if(P32＝＝0)P5＝P5&0xbf；
else?P5＝P5|0x40；
if(P12＝＝0)P5＝P5&0x7f；
else?P5＝P5|0x80；}
From top function declaration MCU busy relay back contact conducting state one by one earlier, and then busy relay front contact conducting state one by one.Light with regard to driving corresponding LED as a certain contact conducting, do not work, illustrate that then this contact damages as the LED of correspondence.Slowly promote the armature of relay with hand this moment, makes back contact disconnect the front contact conducting, and the LED that MCU extinguishes the LED of corresponding back contact and drives corresponding front contact lights, and can observe the front and back connector uniform, referring to Fig. 6 fully aware ofly.
Because this pick-up unit has embedded high speed microcontroller MCU chip, cycle detection once need only tens microseconds.Comprehensively above-mentioned, realized purpose of the present invention.
Claims (7)
1, a kind of pick-up unit of railway signal relay connector uniform is characterized in that: it is provided with the microcontroller MCU that obtains measured relay contact categorical data and compare with internal storage data from Relay base; Be provided with the LCD LCD that microcontroller MCU is shown in the relay types the discerned information of confirming relatively later on; Be provided with by microcontroller MCU the LED contact positioning indicator that the judged result of relay tip conducting state shows, be provided with and drive " search " key that microcontroller MCU continues search measured relay contact type.
2, the pick-up unit of railway signal relay connector uniform according to claim 1 is characterized in that: also be provided with after microcontroller MCU confirms to discern relay types and drive the hummer that carries out auditory tone cues by microcontroller MCU.
3, the pick-up unit of railway signal relay connector uniform according to claim 1 is characterized in that: be provided with " resetting " key that when changing detected relay microcontroller MCU and LCD LCD is resetted.
4, a kind of detection method of railway signal relay connector uniform is characterized in that:
(1) microcontroller MCU and LCD LCD enter reset mode, all of the port output high level;
(2) microcontroller MCU at first according to from front to back order in " can discern the relay tip list of types " to all movable contacts of measured relay output test low levels " 0 ";
(3) microcontroller MCU carries out the read data function, reads measured relay contact logic level and convert coding to deposit microcontroller MCU buffer zone in;
(4) microcontroller MCU will deposit the coding of buffer zone and " can discern the relay tip type " in the internal memory in standard code relatively, the carrying out that comparative result conforms to next step, the repetition that does not conform to (1) is to (4);
(5) after microcontroller MCU affirmation searches and can discern relay types, the measured relay contact type information that searches is delivered to the LCD liquid crystal display displays;
(6) microcontroller MCU is to each group back contact and front contact conducting state real-time follow-up test, and the LED by corresponding contact in the MCU driving LED contact positioning indicator lights or extinguish, and observes connector uniform.
5, the detection method of railway signal relay connector uniform according to claim 4, it is characterized in that: preceding in step (1), the logic level of output was encoded when the back contact of all relays and movable contact conducting and front contact and movable contact disconnected in needing earlier " can discern the relay tip type " to be tabulated, and write in the storer of microprocessor MCU.
6, the detection method of railway signal relay connector uniform according to claim 5, it is characterized in that: in movable contact output low level " 0 ", the high level " 1 " of output when then low level of exporting when back contact and movable contact conducting " 0 " and front contact and movable contact disconnect writes in the storer of microcontroller MCU after being compiled into 4 hexadecimal codes in certain sequence.
7, the detection method of railway signal relay connector uniform according to claim 4, it is characterized in that: after microcontroller MCU affirmation searches and can discern relay types, the measured relay contact type information that searches is delivered to the LCD liquid crystal display displays, drive the hummer prompting of sounding simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610047254 CN1888929A (en) | 2006-07-21 | 2006-07-21 | Apparatus and method for detecting railway signal relay connector uniform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610047254 CN1888929A (en) | 2006-07-21 | 2006-07-21 | Apparatus and method for detecting railway signal relay connector uniform |
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| Publication Number | Publication Date |
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| CN1888929A true CN1888929A (en) | 2007-01-03 |
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| CN 200610047254 Pending CN1888929A (en) | 2006-07-21 | 2006-07-21 | Apparatus and method for detecting railway signal relay connector uniform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371009A (en) * | 2016-09-23 | 2017-02-01 | 上海地铁维护保障有限公司 | Test device and test method of safety type relay |
| CN107656199A (en) * | 2017-11-06 | 2018-02-02 | 郑州市城市隧道综合管理养护中心 | With relay rapid detection apparatus directly perceived and its detection method in hand-held tunnel |
| CN111624203A (en) * | 2020-06-16 | 2020-09-04 | 河北工业大学 | Relay contact alignment non-contact measurement method based on machine vision |
| CN111736069A (en) * | 2020-08-07 | 2020-10-02 | 浙江众合科技股份有限公司 | Relay state safety acquisition system for avoiding signal acquisition line mixing |
| CN112100801A (en) * | 2020-07-01 | 2020-12-18 | 河北工业大学 | Railway signal relay parameter variable weight fusion method based on mathematical modeling |
-
2006
- 2006-07-21 CN CN 200610047254 patent/CN1888929A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371009A (en) * | 2016-09-23 | 2017-02-01 | 上海地铁维护保障有限公司 | Test device and test method of safety type relay |
| CN107656199A (en) * | 2017-11-06 | 2018-02-02 | 郑州市城市隧道综合管理养护中心 | With relay rapid detection apparatus directly perceived and its detection method in hand-held tunnel |
| CN111624203A (en) * | 2020-06-16 | 2020-09-04 | 河北工业大学 | Relay contact alignment non-contact measurement method based on machine vision |
| CN111624203B (en) * | 2020-06-16 | 2023-07-04 | 河北工业大学 | Relay contact point alignment non-contact measurement method based on machine vision |
| CN112100801A (en) * | 2020-07-01 | 2020-12-18 | 河北工业大学 | Railway signal relay parameter variable weight fusion method based on mathematical modeling |
| CN112100801B (en) * | 2020-07-01 | 2022-04-01 | 河北工业大学 | Railway signal relay parameter variable weight fusion method based on mathematical modeling |
| CN111736069A (en) * | 2020-08-07 | 2020-10-02 | 浙江众合科技股份有限公司 | Relay state safety acquisition system for avoiding signal acquisition line mixing |
| CN111736069B (en) * | 2020-08-07 | 2021-01-26 | 浙江众合科技股份有限公司 | Relay state safety acquisition system for avoiding signal acquisition line mixing |
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