CN103336166A - Safe contact rail voltage monitoring device provided with caution lamp - Google Patents
Safe contact rail voltage monitoring device provided with caution lamp Download PDFInfo
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- CN103336166A CN103336166A CN 201310291344 CN201310291344A CN103336166A CN 103336166 A CN103336166 A CN 103336166A CN 201310291344 CN201310291344 CN 201310291344 CN 201310291344 A CN201310291344 A CN 201310291344A CN 103336166 A CN103336166 A CN 103336166A
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Abstract
The invention discloses a safe contact rail voltage monitoring device provided with a caution lamp, and relates to the technical field of contact rail voltage monitoring. Both one end of a first quick-acting fuse (FU1) and one end of a second quick-acting fuse (FU2) are connected with a direct current power supply; the other end of the first quick-acting fuse (FU1) is connected with an anode of an on-site LED (Light-emitting Diode) caution lamp (LED2), one end of a fifth resistor (R5), one end of a first resistor (R1), the other end of the second quick-acting fuse (FU2), one end of a second resistor (R2), and terminals 15 and 16 respectively; the other end of the first resistor (R1) is connected with a cathode of a fourth schottky diode (ZO4), one end of a coil of a first relay (J1), and one end of a third resistor (R3) respectively; and the other end of the third resistor (R3) is connected with one end of a first potentiometer (W1). The device adopts high-reliability relays; the working reliability and the safety of the device are improved greatly due to mutually independent two-way electric quantity detection lines and logical combination outputs output by the two relays; and a trouble signal of any one detection line can be sent immediately.
Description
Technical field:
The present invention relates to conductor rail voltage monitoring technical field, be specifically related to a kind of safety-type band warning lamp conductor rail voltage monitor.
Background technology:
At DC traction power-supply system, there are contact net and conductor rail to award the stream mode for two kinds, and conductor rail is awarded the stream mode to train and is had simple in structure, be convenient to installation and maintenance, advantages such as failure rate is low, the conductor rail mode of DC750V has obtained application more and more widely, adopts the subway engineering of DC1500V conductor rail mode also increasing in recent years.Be mounted in the uphole equipment on two traveling rail next doors because of conductor rail, compare with the overhead contact line mode, it still will consider some necessary protection measures, guarantee on-the-spot operation maintenance personnel's work safety, the demand of configuration DC750V or DC1500V conductor rail voltage monitor is wherein just arranged, be used for warning the state of conductor rail voltage and the electric interlock of switching devices.
The ripe conductor rail voltage monitor of using in DC traction power-supply system mainly contains following 2 kinds: it 1 is the device that adopts voltage isolated amplifier detection method to constitute; It 2 is HR-8539 type voltage monitor and HR-8965 type warning lamps matching used with it (having only the DC500-900V grade) of introducing German ESN company.HR-8539 type device is to gather conductor rail voltage, is handled the method for rear drive auxiliary reclay by the mcu programming in the device.These two kinds of methods exist some unsafe factors, for example:
1, the both need add the accessory power supply power supply, just in case the accessory power supply fault, both output signals just can't guarantee that the correctness of conductor rail voltage judgement is namely had potential safety hazard.
2, to the irredundant function of the circuit of conductor rail voltage monitoring, if run into problems such as the interior components and parts of device or manufacturing process defective, cause failure of apparatus, can not in time send the alerting signal of Monitoring Line fault.
3, can only detect the conductor rail voltage status to voltage isolated amplifier detection method, but be to remove to drive auxiliary reclay by the output of isolated amplifier to warning lamp on the spot, remove to drive warning lamp by auxiliary reclay again, this intermediate link is more, its functional reliability is obviously reduced, and HR type warning lamp is installed on the switch board display panel on the spot, DC750V or 1500V (existing HR does not also have the DC1500V grade) main circuit voltage are directly introduced switch board, on panel, increased the hazards of dc high voltage again.
In sum, it is just very urgent to develop a kind of safety-type conductor rail voltage monitor.
Summary of the invention:
The purpose of this invention is to provide safety-type band warning lamp conductor rail voltage monitor, it adopts the relay of high reliability, has reliable operation, the debugging intuitive and convenient, use the high advantage of safe class, the logical combination output of separate two-way electric weight detection line two group relaies output has improved functional reliability and the security of installing again greatly, can send the fault-signal of arbitrary road detection line again immediately.
In order to solve the existing problem of background technology, the present invention is by the following technical solutions: it comprises first fastp-acting fuse-second fastp-acting fuse FU1-FU2, first resistance-the 5th resistance R 1-R5, first potentiometer-second potentiometer W1-W2, first diode-second diode D1-D2, first schottky diode-the 5th schottky diode ZO1-ZO5, LED lamp LED1, LED warning lamp LED2 on the spot, first relay-second relay J 1-J2, the first fastp-acting fuse FU1, the end of the second fastp-acting fuse FU2 all is connected with direct supply, the other end of the first fastp-acting fuse FU1 respectively with the positive pole of LED warning lamp LED2 on the spot, one end of the 5th resistance R 5, one end of first resistance R 1, the other end of the second fastp-acting fuse FU2, one end of second resistance R 2,15 are connected with No. 16 terminals; The other end of first resistance R 1 is connected with the negative pole of the 4th schottky diode ZO4, an end of first relay J, 1 coil, an end of the 3rd resistance R 3 respectively, the other end of the 3rd resistance R 3 is connected with the end of the first potentiometer w1, and the other end of the positive pole of the 4th schottky diode ZO4, first relay J, 1 coil, the other end of the first potentiometer W1 and movable end all are connected with the positive pole of the first diode D1; The other end of second resistance R 2 is connected with the negative pole of the 5th schottky diode ZO5, an end of second relay J, 2 coils, an end of the 4th resistance R 4 respectively, the other end of the 4th resistance R 4 is connected with the end of the second potentiometer W2, and the other end of the positive pole of the 5th schottky diode ZO5, second relay J, 2 coils, the other end of the second potentiometer W2 and movable end all are connected with the positive pole of the second diode D2; The negative pole of the first diode D1 is connected with the positive pole of LED lamp LED1, the negative pole of the first schottky diode ZO1, the negative pole of the second diode D2, the negative pole of the 3rd schottky diode ZO3 respectively, the negative pole of LED lamp LED1 is connected with the other end of the 5th resistance R 5, the negative pole of the second schottky diode ZO2, the positive pole of the first schottky diode ZO1 respectively, and the positive pole of the second schottky diode ZO2, the anodal of negative pole, the 3rd schottky diode ZO3 of LED warning lamp LED2 all is connected with No. 16 terminals with 15 on the spot; 15 and No. 16 terminals and No. 21 terminals, No. 22 terminals, No. 19 terminals, No. 20 terminals, No. 23 terminals, No. 24 terminals, No. 25 terminals, No. 26 terminals, the negative pole of LED warning lamp LED2 is connected successively on the spot, No. 21 terminals, be parallel with the interlock contact of second relay J 2 between No. 22 terminals, the upper end, interlock contact of second relay J 2 is connected with the interlock contact of first relay J 1, the first pair of normally opened contact of first relay J 1 with after first pair of normally opened contact of second relay J 2 is in parallel respectively with No. 19 terminals, No. 20 terminal connects, the second pair of normally opened contact of first relay J 1 with after second pair of normally opened contact of second relay J 2 is in parallel respectively with No. 23 terminals, No. 24 terminals connect, the normally closed contact of second relay J 2 with after the normally closed contact of first relay J 1 is connected respectively with No. 25 terminals, No. 26 terminal connects.
The described warning lamp of LED on the spot LED2 is connected in parallel between No. 30 terminals and No. 32 terminals.
The first pair of normally opened contact of described first relay J 1 with after first pair of normally opened contact of second relay J 2 is in parallel respectively with No. 19 terminals, No. 20 terminals connect to form three rails that the normal open switch of pressure one K1 is arranged.
Be parallel with the interlock contact of second relay J 2 between described No. 21 terminals, No. 22 terminals, the interlock contact that the upper end, interlock contact of second relay J 2 is connected with first relay J 1 is formed and is detected loop fault alarm switch K2.
The second pair of normally opened contact of described first relay J 1 with after second pair of normally opened contact of second relay J 2 is in parallel respectively with No. 23 terminals, No. 24 terminals connect to form three rails that the normal open switch of pressure two K3 are arranged.
The normally closed contact of described second relay J 2 with after the normally closed contact of first relay J 1 is connected respectively with No. 25 terminals, No. 26 terminals connect to form three rails that the normally closed switch of pressure K4 is arranged.
Principle of the present invention is: same conductor rail voltage is adopted separate two-way electric weight detection line, to the switching value output signal of two-way detection line according to the requirement of switching value logic function be combined into respectively " with ", " or " and the logic of distance, make monitoring device under the principle of fault-safety principle, constitute the alternative function, when in the two-way detection line just in case when having that riches all the way and giving birth to fault, being combined into XOR between the transfer contact with the transfer contact of No. one relay and another road relay does not have source contact, and it can in time send detects the loop fault alerting signal; To every relay output of two-way often open signal, with " or " logical combination becomes normal opening electrified warning priority signal; Equally to the normally closed signal of every relay output of two-way, with " with " logical combination becomes charged normally closed preferential alerting signal.
Separate two-way electric weight detection line and on the spot LED warning lamp LED2 do not need to add in addition accessory power supply power supply, its working current is directly taken from conductor rail voltage, the working current of every road detection line is in the 3-5mA scope, LED warning lamp LED2 one end and two-way detection line aggregation point are in series on the spot, the LED warning lamp LED2 other end is connected to trailer system ground on the spot, namely reflux on the rail, its working current is two-way detection line electric current sum.
Every road electric weight detection line primary circuit is by DC750V or DC1500V inlet wire fuse, and high-pressure glass glaze resistance current limliting (the restriction inlet wire current is about 3-5mA) reaches the special purpose relay current coil and is composed in series.Special purpose relay coil certain in the 3-5mA scope is its critical point pickup value a bit, during greater than this electric current, coil is in critical attracting state, and at relay coil two ends parallel connection shunting potentiometer, adjust the critical point pickup value size of the fine-tuning relay of potentiometer resistance size, thereby reach fine setting conductor rail voltage detecting value size and adjust the conforming function of two-way detection line working value.
The present invention adopts the relay of high reliability, has reliable operation, the debugging intuitive and convenient, use the high advantage of safe class, the logical combination output of separate two-way electric weight detection line two group relaies output has improved functional reliability and the security of installing again greatly, can send the fault-signal of arbitrary road detection line again immediately.
Description of drawings:
Fig. 1 is structural representation of the present invention,
Fig. 2 is external structure of the present invention.
Embodiment:
With reference to Fig. 1-Fig. 2, this embodiment is by the following technical solutions: it comprises first fastp-acting fuse-second fastp-acting fuse FU1-FU2, first resistance-the 5th resistance R 1-R5, first potentiometer-second potentiometer W1-W2, first diode-second diode D1-D2, first schottky diode-the 5th schottky diode ZO1-ZO5, LED lamp LED1, LED warning lamp LED2 on the spot, first relay-second relay J 1-J2, the first fastp-acting fuse FU1, the end of the second fastp-acting fuse FU2 all is connected with direct supply, the other end of the first fastp-acting fuse FU1 respectively with the positive pole of LED warning lamp LED2 on the spot, one end of the 5th resistance R 5, one end of first resistance R 1, the other end of the second fastp-acting fuse FU2, one end of second resistance R 2,15 are connected with No. 16 terminals; The other end of first resistance R 1 is connected with the negative pole of the 4th schottky diode ZO4, an end of first relay J, 1 coil, an end of the 3rd resistance R 3 respectively, the other end of the 3rd resistance R 3 is connected with the end of the first potentiometer W1, and the other end of the positive pole of the 4th schottky diode ZO4, first relay J, 1 coil, the other end of the first potentiometer W1 and movable end all are connected with the positive pole of the first diode D1; The other end of second resistance R 2 is connected with the negative pole of the 5th schottky diode ZO5, an end of second relay J, 2 coils, an end of the 4th resistance R 4 respectively, the other end of the 4th resistance R 4 is connected with the end of the second potentiometer W2, and the other end of the positive pole of the 5th schottky diode ZO5, second relay J, 2 coils, the other end of the second potentiometer W2 and movable end all are connected with the positive pole of the second diode D2; The negative pole of the first diode D1 is connected with the positive pole of LED lamp LED1, the negative pole of the first schottky diode ZO1, the negative pole of the second diode D2, the negative pole of the 3rd schottky diode ZO3 respectively, the negative pole of LED lamp LED1 is connected with the other end of the 5th resistance R 5, the negative pole of the second schottky diode ZO2, the positive pole of the first schottky diode ZO1 respectively, and the positive pole of the second schottky diode ZO2, the anodal of negative pole, the 3rd schottky diode ZO3 of LED warning lamp LED2 all is connected with No. 16 terminals with 15 on the spot; 15 and No. 16 terminals and No. 21 terminals, No. 22 terminals, No. 19 terminals, No. 20 terminals, No. 23 terminals, No. 24 terminals, No. 25 terminals, No. 26 terminals, the negative pole of LED warning lamp LED2 is connected successively on the spot, No. 21 terminals, be parallel with the interlock contact of second relay J 2 between No. 22 terminals, the upper end, interlock contact of second relay J 2 is connected with the interlock contact of first relay J 1, the first pair of normally opened contact of first relay J 1 with after first pair of normally opened contact of second relay J 2 is in parallel respectively with No. 19 terminals, No. 20 terminal connects, the second pair of normally opened contact of first relay J 1 with after second pair of normally opened contact of second relay J 2 is in parallel respectively with No. 23 terminals, No. 24 terminals connect, the normally closed contact of second relay J 2 with after the normally closed contact of first relay J 1 is connected respectively with No. 25 terminals, No. 26 terminal connects.
The described warning lamp of LED on the spot LED2 is connected in parallel between No. 30 terminals and No. 32 terminals.
The first pair of normally opened contact of described first relay J 1 with after first pair of normally opened contact of second relay J 2 is in parallel respectively with No. 19 terminals, No. 20 terminals connect to form three rails that the normal open switch of pressure one K1 is arranged.
Be parallel with the interlock contact of second relay J 2 between described No. 21 terminals, No. 22 terminals, the interlock contact that the upper end, interlock contact of second relay J 2 is connected with first relay J 1 is formed and is detected loop fault alarm switch K2.
The second pair of normally opened contact of described first relay J 1 with after second pair of normally opened contact of second relay J 2 is in parallel respectively with No. 23 terminals, No. 24 terminals connect to form three rails that the normal open switch of pressure two K3 are arranged.
The normally closed contact of described second relay J 2 with after the normally closed contact of first relay J 1 is connected respectively with No. 25 terminals, No. 26 terminals connect to form three rails that the normally closed switch of pressure K4 is arranged.
Principle of the present invention is: same conductor rail voltage is adopted separate two-way electric weight detection line, to the switching value output signal of two-way detection line according to the requirement of switching value logic function be combined into respectively " with ", " or " and the logic of distance, make monitoring device under the principle of fault-safety principle, constitute the alternative function, when in the two-way detection line just in case when having that riches all the way and giving birth to fault, being combined into XOR between the transfer contact with the transfer contact of No. one relay and another road relay does not have source contact, and it can in time send detects the loop fault alerting signal; To every relay output of two-way often open signal, with " or " logical combination becomes normal opening electrified warning priority signal; Equally to the normally closed signal of every relay output of two-way, with " with " logical combination becomes charged normally closed preferential alerting signal.
Separate two-way electric weight detection line and on the spot LED warning lamp LED2 do not need to add in addition accessory power supply power supply, its working current is directly taken from conductor rail voltage, the working current of every road detection line is in the 3-5mA scope, LED warning lamp LED2 one end and two-way detection line aggregation point are in series on the spot, the LED warning lamp LED2 other end is connected to trailer system ground on the spot, namely reflux on the rail, its working current is two-way detection line electric current sum.
Every road electric weight detection line primary circuit is by DC750V or DC1500V inlet wire fuse, and high-pressure glass glaze resistance current limliting (the restriction inlet wire current is about 3-5mA) reaches the special purpose relay current coil and is composed in series.Special purpose relay coil certain in the 3-5mA scope is its critical point pickup value a bit, during greater than this electric current, coil is in critical attracting state, and at relay coil two ends parallel connection shunting potentiometer, adjust the critical point pickup value size of the fine-tuning relay of potentiometer resistance size, thereby reach fine setting conductor rail voltage detecting value size and adjust the conforming function of two-way detection line working value.
This embodiment adopts the relay of high reliability, has reliable operation, the debugging intuitive and convenient, use the high advantage of safe class, the logical combination output of separate two-way electric weight detection line two group relaies output has improved functional reliability and the security of installing again greatly, can send the fault-signal of arbitrary road detection line again immediately.
Claims (6)
1. safety-type band warning lamp conductor rail voltage monitor, it is characterized in that it comprises first fastp-acting fuse-second fastp-acting fuse (FU1-FU2), first resistance-the 5th resistance (R1-R5), first potentiometer-second potentiometer (W1-W2), first diode-second diode (D)-D2), first schottky diode-the 5th schottky diode ((ZO1)-(ZO5)), LED lamp (LED1), LED warning lamp (LED2) on the spot, first relay-second relay (J1-J2), first fastp-acting fuse (FU1), one end of second fastp-acting fuse (FU2) all is connected with direct supply, the other end of first fastp-acting fuse (FU1) respectively with the positive pole of LED warning lamp (LED2) on the spot, one end of the 5th resistance (R5), one end of first resistance (R1), the other end of second fastp-acting fuse (FU2), one end of second resistance (R2), 15 are connected with No. 16 terminals; The other end of first resistance (R1) is connected with the negative pole of the 4th schottky diode (ZO4), an end of first relay (J1) coil, an end of the 3rd resistance (R3) respectively, the other end of the 3rd resistance (R3) is connected with an end of first potentiometer (W1), and the other end of the positive pole of the 4th schottky diode (ZO4), first relay (J1) coil, the other end of first potentiometer (W1) and movable end all are connected with the positive pole of first diode (D1); The other end of second resistance (R2) is connected with the negative pole of the 5th schottky diode (ZO5), an end of second relay (J2) coil, an end of the 4th resistance (R4) respectively, the other end of the 4th resistance (R4) is connected with an end of second potentiometer (w2), and the other end of the positive pole of the 5th schottky diode (ZO5), second relay (J2) coil, the other end of second potentiometer (W2) and movable end all are connected with the positive pole of second diode (D2); The negative pole of first diode (D1) respectively with the positive pole of LED lamp (LED1), the negative pole of first schottky diode (ZO1), the negative pole of second diode (D2), the negative pole of the 3rd schottky diode (ZO3) connects, the negative pole of LED lamp (LED1) respectively with the other end of the 5th resistance (R5), the negative pole of second schottky diode (ZO2), the positive pole of first schottky diode (ZO1) connects, the positive pole of second schottky diode (ZO2), the negative pole of LED warning lamp (LED2) on the spot, the anodal of the 3rd schottky diode (ZO3) all is connected with No. 16 terminals with 15; 15 and No. 16 terminals and No. 21 terminals, No. 22 terminals, No. 19 terminals, No. 20 terminals, No. 23 terminals, No. 24 terminals, No. 25 terminals, No. 26 terminals, the negative pole of LED warning lamp (LED2) is connected successively on the spot, No. 21 terminals, be parallel with the interlock contact of second relay (J2) between No. 22 terminals, the upper end, interlock contact of second relay (J2) is connected with the interlock contact of first relay (J1), the first pair of normally opened contact of first relay (J1) with after first pair of normally opened contact of second relay (J2) is in parallel respectively with No. 19 terminals, No. 20 terminal connects, the second pair of normally opened contact of first relay (J1) with after second pair of normally opened contact of second relay (J2) is in parallel respectively with No. 23 terminals, No. 24 terminals connect, the normally closed contact of second relay (J2) with after the normally closed contact of first relay (J1) is connected respectively with No. 25 terminals, No. 26 terminal connects.
2. safety-type band warning lamp conductor rail voltage monitor according to claim 1 is characterized in that the described warning lamp of LED on the spot (LED2) is connected in parallel between No. 30 terminals and No. 32 terminals.
3. safety-type band warning lamp conductor rail voltage monitor according to claim 1, the first pair of normally opened contact that it is characterized in that described first relay (J1) with after first pair of normally opened contact of second relay (J2) is in parallel respectively with No. 19 terminals, No. 20 terminals connect to form three rails that the normal open switch one (K1) of pressure is arranged.
4. safety-type band warning lamp conductor rail voltage monitor according to claim 1, it is characterized in that being parallel with between described No. 21 terminals, No. 22 terminals interlock contact of second relay (J2), the interlock contact that the upper end, interlock contact of second relay (J2) is connected with first relay (J1) is formed and is detected loop fault alarm switch (K2).
5. safety-type band warning lamp conductor rail voltage monitor according to claim 1, the second pair of normally opened contact that it is characterized in that described first relay (J1) with after second pair of normally opened contact of second relay (J2) is in parallel respectively with No. 23 terminals, No. 24 terminals connect to form three rails that the normal open switch two (K3) of pressure is arranged.
6. safety-type band warning lamp conductor rail voltage monitor according to claim 1, the normally closed contact that it is characterized in that described second relay (J2) with after the normally closed contact of first relay (J1) is connected respectively with No. 25 terminals, No. 26 terminals connect to form three rails that pressure normally closed switch (K4) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310291344 CN103336166A (en) | 2013-07-11 | 2013-07-11 | Safe contact rail voltage monitoring device provided with caution lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310291344 CN103336166A (en) | 2013-07-11 | 2013-07-11 | Safe contact rail voltage monitoring device provided with caution lamp |
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| Publication Number | Publication Date |
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| CN103336166A true CN103336166A (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310291344 Withdrawn CN103336166A (en) | 2013-07-11 | 2013-07-11 | Safe contact rail voltage monitoring device provided with caution lamp |
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| CN (1) | CN103336166A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592496A (en) * | 2013-11-05 | 2014-02-19 | 上海恬吉电气技术有限公司 | Safe contact rail voltage monitoring device with warning light |
| CN110646661A (en) * | 2019-09-27 | 2020-01-03 | 镇江大全赛雪龙牵引电气有限公司 | Novel direct current pulls electrified monitoring of power supply track device |
| CN111263895A (en) * | 2017-10-23 | 2020-06-09 | 阿尔卑斯阿尔派株式会社 | Abnormality detection device and abnormality detection method |
-
2013
- 2013-07-11 CN CN 201310291344 patent/CN103336166A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592496A (en) * | 2013-11-05 | 2014-02-19 | 上海恬吉电气技术有限公司 | Safe contact rail voltage monitoring device with warning light |
| CN111263895A (en) * | 2017-10-23 | 2020-06-09 | 阿尔卑斯阿尔派株式会社 | Abnormality detection device and abnormality detection method |
| CN111263895B (en) * | 2017-10-23 | 2022-02-22 | 阿尔卑斯阿尔派株式会社 | Abnormality detection device and abnormality detection method |
| CN110646661A (en) * | 2019-09-27 | 2020-01-03 | 镇江大全赛雪龙牵引电气有限公司 | Novel direct current pulls electrified monitoring of power supply track device |
| CN110646661B (en) * | 2019-09-27 | 2021-12-03 | 镇江大全赛雪龙牵引电气有限公司 | DC traction power supply track live monitoring device |
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Application publication date: 20131002 |