CN205427141U - Safety loop state monitoring system - Google Patents
Safety loop state monitoring system Download PDFInfo
- Publication number
- CN205427141U CN205427141U CN201521043309.5U CN201521043309U CN205427141U CN 205427141 U CN205427141 U CN 205427141U CN 201521043309 U CN201521043309 U CN 201521043309U CN 205427141 U CN205427141 U CN 205427141U
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- main
- relay
- contact
- bleeder circuit
- safety return
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Abstract
The utility model discloses a safety loop state monitoring system, including main safety loop, the individual controller that is provided with the serial number of host computer and N, main safety loop includes an individual N main relay and the N main bleeder circuit who is provided with the controller one -to -one of serial number with N, and a N main relay establishes ties in proper order, main throw contact and main normally open contact between of setting in main relay that a N main bleeder circuit corresponds respectively, main bleeder circuit's output and being connected with the controller that main relay corresponds, whether the controller determines main relay according to the height of the level of main bleeder circuit's output closed, and closed main relay's trouble information does not report to the host computer, because each controller is provided with the serial number, therefore, dimension guarantor person can according to will be not closed main relay's trouble information report that to come timely sureness to the serial number of the controller of host computer be that which relay breaks down, the troubleshooting that so as to is timely, and the safety performance is improved.
Description
Technical field
This utility model relates to track traffic safety monitoring technology field, particularly relates to a kind of safety return circuit condition monitoring system.
Background technology
In the track traffic in existing each city, the most corresponding multiple the machine controllers of platform, in order to ensure the safety of passenger, can be to each machine controller one relay of distribution, the series connection of all of relay forms safety return circuit, only when all of relay Guan Bi namely safety return circuit Guan Bi, host computer just can provide a safety door and close and the signal of locking, and train could set off normally.But, in prior art, when certain relay in multiple relays breaks down, generally cannot determine that the relay which machine controller is corresponding breaks down timely, fix a breakdown timely from being unable to, poor stability.
Therefore, the shortcoming the most effectively solving above-mentioned technology is the problem that those skilled in the art are presently required solution.
Utility model content
The purpose of this utility model is to provide a kind of safety return circuit condition monitoring system, because each controller is provided with numbering, therefore, according to by the numbering of the fault information reporting of not closed main relay to the controller of host computer, repair and maintenance personnel can determine which relay breaks down timely, it is thus possible to fix a breakdown timely, improve security performance.
For solving above-mentioned technical problem, this utility model provides a kind of safety return circuit condition monitoring system, including main safety return circuit, host computer and N number of arrange numbered controller, wherein, described main safety return circuit includes and N number of the most N number of main relay of described controller and N number of main bleeder circuit, the first main relay, the second main relay that N number of described main relay is respectively sequentially connected in series are until N main relay, and N is the positive integer not less than 2；
Described main relay includes main throwing contact, main normally opened contact and main normally-closed contact, in the described main relay of any two series connection, the main throwing contact of one described main relay is connected with the main normally opened contact of main relay another described, the main throwing contact of described first main relay is connected with power supply, the main normally opened contact ground connection of described N main relay；
Between described main throwing contact and described main normally opened contact that what described main bleeder circuit was corresponding be arranged in described main relay, the outfan of described main bleeder circuit and corresponding described controller connect, according to the height of the level of the outfan of described main bleeder circuit, described controller judges whether described main relay closes, and by the fault information reporting of not closed described main relay to described host computer.
Preferably, this system also includes from safety return circuit, wherein, described include from safety return circuit the most N number of with N number of described controller from relay and N number of from bleeder circuit, N number of described from relay be respectively sequentially connected in series first from relay, second from relay until N is from relay；
Described from relay include from throw contact, from normally opened contact and from normally-closed contact, it is described from relay that any two is connected, described in one from relay from throwing contact and being connected from normally opened contact from relay described in another, described first from relay from throw contact being connected with described power supply, described N from relay from normally opened contact ground connection；
Described from bleeder circuit corresponding be arranged on described from relay described in from throwing contact and described between normally opened contact, described outfan from bleeder circuit and corresponding described controller connect, described controller judges described whether to close from relay according to the height of the level of the described outfan from bleeder circuit, and by described in not closed from the fault information reporting of relay to described host computer.
Preferably, described relay is single-pole single-throw(SPST relay.
Preferably, described relay is dpdt relay.
Preferably, described main bleeder circuit includes the first main divider resistance and the second main divider resistance, wherein:
First end of described first main divider resistance is connected with described main throwing contact, second end of described second main divider resistance is as the outfan of described main bleeder circuit, it is connected with the first end of described second main divider resistance, being connected with described main normally opened contact of described second main divider resistance.
Preferably, described from bleeder circuit include first from divider resistance and second from divider resistance, wherein:
Described first is connected from throwing contact with described from the first end of divider resistance, described second from the second end of divider resistance as the described outfan from bleeder circuit, it is connected from the first end of divider resistance with described second, the described second being connected with described main normally opened contact from divider resistance.
Preferably, this system also includes:
Isolation module, the first input end of described isolation module is connected with the outfan of described main bleeder circuit, second input of described isolation module is connected with the described outfan from bleeder circuit, and first outfan corresponding with described first input end and second outfan corresponding with described second input of described isolation module are all connected with described controller.
Preferably, this system also includes:
The alarm device being connected with described host computer.
Preferably, described alarm device is LED.
Preferably, described alarm device is buzzer.
nullA kind of safety return circuit condition monitoring system that this utility model provides，Including main safety return circuit、Host computer and N number of numbered controller is set，Wherein，Main safety return circuit includes arranging the most N number of main relay of numbered controller and N number of main bleeder circuit with N number of，And N number of main relay is sequentially connected in series，Between the main throwing contact and the main normally opened contact that are arranged in main relay that N number of main bleeder circuit is corresponding respectively，The outfan of main bleeder circuit and the controller corresponding with main relay connect，According to the height of the level of the outfan of main bleeder circuit, controller judges whether main relay closes，And by the fault information reporting of not closed main relay to host computer，Because each controller is provided with numbering，Therefore，According to by the numbering of the fault information reporting of not closed main relay to the controller of host computer, repair and maintenance personnel can determine which relay breaks down timely，It is thus possible to fix a breakdown timely，Improve security performance.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, the accompanying drawing used required in prior art and embodiment will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of safety return circuit condition monitoring system that Fig. 1 provides for this utility model；
When Fig. 2 is dpdt relay for a kind of relay that this utility model provides, the circuit theory diagrams of main safety return circuit；
In a kind of safety return circuit condition monitoring system that Fig. 3 provides for this utility model, relay is the schematic diagram of safety return circuit drive circuit during dpdt relay；
A kind of bleeder circuit feedback principle figure that Fig. 4 provides for this utility model.
Detailed description of the invention
Core of the present utility model is to provide a kind of safety return circuit condition monitoring system, because each controller is provided with numbering, therefore, according to by the numbering of the fault information reporting of not closed main relay to the controller of host computer, repair and maintenance personnel can determine which relay breaks down timely, it is thus possible to fix a breakdown timely, improve security performance.
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
It should be noted that, in the application, for any one relay, relay disconnection refers to normally opened contact and does not close, namely now the throwing contact in this relay is connected with normally-closed contact, then relay Guan Bi refers to normally opened contact Guan Bi, namely now the throwing contact in this relay is connected with normally opened contact.
Refer to the structural representation of a kind of safety return circuit condition monitoring system that Fig. 1, Fig. 1 provide for this utility model, this system includes:
Main safety return circuit 2, host computer 3 and N number of numbered controller 1 is set, wherein, main safety return circuit 2 includes and N number of the most N number of main relay of controller 1 and N number of main bleeder circuit, the first main relay, the second main relay that N number of main relay is respectively sequentially connected in series are until N main relay, and N is the positive integer not less than 2；
Main relay includes main throwing contact, main normally opened contact and main normally-closed contact, in the main relay of any two series connection, the main throwing contact of one main relay is connected with the main normally opened contact of another main relay, the main throwing contact of the first main relay is connected with power supply, the main normally opened contact ground connection of N main relay；
Between main throwing contact and main normally opened contact that what main bleeder circuit was corresponding be arranged in main relay, outfan and the corresponding controller 1 of main bleeder circuit connect, according to the height of the level of the outfan of main bleeder circuit, controller 1 judges whether main relay closes, and by the fault information reporting of not closed main relay to host computer 3.
As preferably, this system also includes from safety return circuit 4, wherein, include the most N number of with N number of controller 1 from relay and N number of from bleeder circuit from safety return circuit 4, N number of from relay be respectively sequentially connected in series first from relay, second from relay until N is from relay；
Include from throwing contact, from normally opened contact and from normally-closed contact from relay, any two series connection from relay, one from relay from throwing contact and another being connected from normally opened contact from relay, first from relay from throw contact being connected with power supply, N from relay from normally opened contact ground connection；
From bleeder circuit corresponding be arranged on from relay from throwing contact and between normally opened contact, connect from outfan and the corresponding controller 1 of bleeder circuit, controller 1 judges from whether relay closes according to the height of the level from the outfan of bleeder circuit, and by not closed from the fault information reporting of relay to host computer 3.
It is understandable that, in order to prevent the generation of the situation causing main safety return circuit 2 not close owing to relay can not close, this utility model additionally provides from safety return circuit 4, in this utility model, main safety return circuit 2 and be distinct from safety return circuit 4, is controlled by controller 1, respectively when main safety return circuit 2 can not close, close immediately from safety return circuit 4, do not affect the normal operation of train.
As preferably, relay can be single-pole single-throw(SPST relay or dpdt relay.
Selecting which kind of relay for concrete, this utility model the most particularly limits at this.
Specifically, refer to Fig. 2 and Fig. 3, wherein, when Fig. 2 is dpdt relay for a kind of relay that this utility model provides, the circuit theory diagrams of main safety return circuit；In a kind of safety return circuit condition monitoring system that Fig. 3 provides for this utility model, relay is the schematic diagram of safety return circuit drive circuit during dpdt relay.
In Fig. 2, in each dpdt relay, pin 11 and pin 12 be one group of main throwing contact, pin 21 and pin 22 be one group of main normally-closed contact, pin 31 and pin 32 are one group of main normally opened contact.It addition, pin 32 draws A1 by wire, pin 12 draws B1 by wire, corresponding, from safety return circuit 4, corresponding with the A1 in main safety return circuit 2 for C1, corresponding with B1 in main safety return circuit 2 for D1.
Under normal circumstances, the normally-closed contact Guan Bi of dpdt relay, it is off between the dpdt relay of now any two series connection, namely safety return circuit is off, when all safety doors all close, each dpdt relay is closed again, when all dpdt relays all close, namely during safety return circuit Guan Bi, now host computer 3 can provide the signal that a door is closed and tightly locked, and train could set off normally.
In Fig. 3, under normal circumstances, when safety door is closed, each controller 1 can send ALLCLOSE low level signal to main drive circuit, the most main drive circuit turns on, closing through the main safety return circuit of photoelectric coupler isolation rear drive 2, wherein, ALLCLOSE low level signal is main all door shutdown signals；When main safety return circuit 2 is because wherein certain or some relay faults can not close, each controller 1 can send ALLCLOSEB low level signal in time to from drive circuit, turn on from drive circuit, close from safety return circuit 4 through photoelectric coupler isolation rear drive, wherein, ALLCLOSEB low level signal is from all door shutdown signals.
As preferably, main bleeder circuit includes the first main divider resistance and the second main divider resistance, wherein:
First end of the first main divider resistance is connected with main throwing contact, and the second end of the second main divider resistance, as the outfan of main bleeder circuit, is connected with the first end of the second main divider resistance, being connected with main normally opened contact of the second main divider resistance.
As preferably, from bleeder circuit include first from divider resistance and second from divider resistance, wherein:
First from the first end of divider resistance with from throw contact be connected, second from the second end of divider resistance as from the outfan of bleeder circuit, be connected from the first end of divider resistance with second, the second being connected with main normally opened contact from divider resistance.
As preferably, this system also includes:
Isolation module, the first input end of isolation module is connected with the outfan of main bleeder circuit, second input of isolation module is connected with the outfan from bleeder circuit, and first outfan corresponding with first input end and second outfan corresponding with the second input of isolation module are all connected with controller 1.
Specifically, refer to a kind of bleeder circuit feedback principle figure that Fig. 4, Fig. 4 provide for this utility model.
nullIt is understandable that，In any one relay，Throw contact (including main throwing contact and from throwing contact) to be powered by outside 24V，When relay closes，Throw the voltage difference difference between contact and normally opened contact less than 0.5V，When relay disconnects，Throw contact and be 24V with normally opened contact，By the voltage between throwing contact and normally opened contact after divider resistance dividing potential drop，Voltage signal (the main bleeder circuit output CLOSE of outfan，CLOSEB is exported from bleeder circuit) after isolation module is isolated, export signal (the main bleeder circuit correspondence CLOSE T after isolating，From bleeder circuit corresponding be CLOSEB T) deliver to the I/O port of controller 1，By the state of I/O port low and high level being judged this relay whether normally closed，When the level of I/O port is low level，Then illustrate there is bigger pressure reduction between throwing contact and the normally opened contact of relay，Then illustrate that now this relay does not close，And now each controller 1 has been received by a shutdown command and time action completes，The most at once closed pair answer from relay，And do not have effectively closed fault message to be sent to host computer 3 main relay.Because the controller 1 of each safety door is both provided with numbering accordingly, therefore repair and maintenance personnel can directly find out which the safety door controller 1 of working state abnormal is, and then knows which relay breaks down, it is possible to judges it is what problem intuitively.
As preferably, this system also includes:
The alarm device being connected with host computer 3.
As preferably, alarm device can be LED or buzzer.
It is understood that when main safety return circuit 2 can not normally closed time, host computer 3 can send alarm signal to alarm device, and alarm device sends alarm, thus reminds repair and maintenance personnel to be purged fault in time, improves the security performance of this system.
Certainly, this utility model does not do particularly judgement for the particular type of this alarm device, it is possible to realize the alarm device of this utility model purpose all within protection domain of the present utility model.
nullA kind of safety return circuit condition monitoring system that this utility model provides，Including main safety return circuit、Host computer and N number of numbered controller is set，Wherein，Main safety return circuit includes arranging the most N number of main relay of numbered controller and N number of main bleeder circuit with N number of，And N number of main relay is sequentially connected in series，Between the main throwing contact and the main normally opened contact that are arranged in main relay that N number of main bleeder circuit is corresponding respectively，The outfan of main bleeder circuit and the controller corresponding with main relay connect，According to the height of the level of the outfan of main bleeder circuit, controller judges whether main relay closes，And by the fault information reporting of not closed main relay to host computer，Because each controller is provided with numbering，Therefore，According to by the numbering of the fault information reporting of not closed main relay to the controller of host computer, repair and maintenance personnel can determine which relay breaks down timely，It is thus possible to fix a breakdown timely，Improve security performance.
It should be noted that, in this manual, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation or sequentially that there is any this reality between these entities or operation.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Professional further appreciates that, the unit of each example described in conjunction with the embodiments described herein and algorithm steps, can be with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate the interchangeability of hardware and software, the most generally describe composition and the step of each example according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel specifically should can be used for using different methods to realize described function to each, but this realization is it is not considered that exceed scope of the present utility model.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.Multiple amendment to these embodiments will be apparent from for those skilled in the art, and generic principles defined herein can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a safety return circuit condition monitoring system, it is characterized in that, including main safety return circuit, host computer and N number of arrange numbered controller, wherein, described main safety return circuit includes and N number of the most N number of main relay of described controller and N number of main bleeder circuit, the first main relay, the second main relay that N number of described main relay is respectively sequentially connected in series are until N main relay, and N is the positive integer not less than 2；
Described main relay includes main throwing contact, main normally opened contact and main normally-closed contact, in the described main relay of any two series connection, the main throwing contact of one described main relay is connected with the main normally opened contact of main relay another described, the main throwing contact of described first main relay is connected with power supply, the main normally opened contact ground connection of described N main relay；
Between described main throwing contact and described main normally opened contact that what described main bleeder circuit was corresponding be arranged in described main relay, the outfan of described main bleeder circuit and corresponding described controller connect, according to the height of the level of the outfan of described main bleeder circuit, described controller judges whether described main relay closes, and by the fault information reporting of not closed described main relay to described host computer.
2. safety return circuit condition monitoring system as claimed in claim 1, it is characterized in that, this system also includes from safety return circuit, wherein, described include from safety return circuit the most N number of with N number of described controller from relay and N number of from bleeder circuit, N number of described from relay be respectively sequentially connected in series first from relay, second from relay until N is from relay；
Described from relay include from throw contact, from normally opened contact and from normally-closed contact, it is described from relay that any two is connected, described in one from relay from throwing contact and being connected from normally opened contact from relay described in another, described first from relay from throw contact being connected with described power supply, described N from relay from normally opened contact ground connection；
Described from bleeder circuit corresponding be arranged on described from relay described in from throwing contact and described between normally opened contact, described outfan from bleeder circuit and corresponding described controller connect, described controller judges described whether to close from relay according to the height of the level of the described outfan from bleeder circuit, and by described in not closed from the fault information reporting of relay to described host computer.
3. safety return circuit condition monitoring system as claimed in claim 2, it is characterised in that described relay is single-pole single-throw(SPST relay.
4. safety return circuit condition monitoring system as claimed in claim 2, it is characterised in that described relay is dpdt relay.
5. the safety return circuit condition monitoring system as described in claim 3 or 4, it is characterised in that described main bleeder circuit includes the first main divider resistance and the second main divider resistance, wherein:
First end of described first main divider resistance is connected with described main throwing contact, second end of described second main divider resistance is as the outfan of described main bleeder circuit, being connected with the first end of described second main divider resistance, the second end of described second main divider resistance is connected with described main normally opened contact.
6. safety return circuit condition monitoring system as claimed in claim 5, it is characterised in that described from bleeder circuit include first from divider resistance and second from divider resistance, wherein:
Described first is connected from throwing contact with described from the first end of divider resistance, described second from the second end of divider resistance as the described outfan from bleeder circuit, being connected from the first end of divider resistance with described second, described second is connected with described main normally opened contact from the second end of divider resistance.
7. safety return circuit condition monitoring system as claimed in claim 6, it is characterised in that this system also includes:
Isolation module, the first input end of described isolation module is connected with the outfan of described main bleeder circuit, second input of described isolation module is connected with the described outfan from bleeder circuit, and first outfan corresponding with described first input end and second outfan corresponding with described second input of described isolation module are all connected with described controller.
8. safety return circuit condition monitoring system as claimed in claim 6, it is characterised in that this system also includes:
The alarm device being connected with described host computer.
9. safety return circuit condition monitoring system as claimed in claim 8, it is characterised in that described alarm device is LED.
10. safety return circuit condition monitoring system as claimed in claim 8, it is characterised in that described alarm device is buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043309.5U CN205427141U (en) | 2015-12-11 | 2015-12-11 | Safety loop state monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043309.5U CN205427141U (en) | 2015-12-11 | 2015-12-11 | Safety loop state monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205427141U true CN205427141U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521043309.5U Expired - Fee Related CN205427141U (en) | 2015-12-11 | 2015-12-11 | Safety loop state monitoring system |
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| Country | Link |
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| CN (1) | CN205427141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652191A (en) * | 2015-12-11 | 2016-06-08 | 重庆川仪自动化股份有限公司 | Safety loop state monitoring system |
-
2015
- 2015-12-11 CN CN201521043309.5U patent/CN205427141U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652191A (en) * | 2015-12-11 | 2016-06-08 | 重庆川仪自动化股份有限公司 | Safety loop state monitoring system |
| CN105652191B (en) * | 2015-12-11 | 2019-01-08 | 重庆川仪自动化股份有限公司 | A kind of safety return circuit condition monitoring system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20191211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |