CN205781932U - A kind of subway track switch external locking oiling device control circuit - Google Patents
A kind of subway track switch external locking oiling device control circuit Download PDFInfo
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- CN205781932U CN205781932U CN201620486514.7U CN201620486514U CN205781932U CN 205781932 U CN205781932 U CN 205781932U CN 201620486514 U CN201620486514 U CN 201620486514U CN 205781932 U CN205781932 U CN 205781932U
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Abstract
This utility model provides a kind of subway track switch external locking oiling device control circuit, including on-the-spot oiling node circuit and centralized Control circuit, described on-the-spot oiling node circuit is all preset COM1 and second and is preset COM1 and be connected with described centralized Control circuit with first, described on-the-spot oiling node circuit includes that oil pump driven circuit, oil pump current collection circuit, the first single-chip microcomputer and the first telecommunication circuit, described centralized Control circuit include the second telecommunication circuit, second singlechip, display screen and keyboard.A kind of subway track switch external locking oiling device control circuit that this utility model provides, it is possible to be track switch external locking oiling device oiling in real time and automatically.
Description
Technical field
This utility model relates to track traffic signal equipment technical field, particularly relates to a kind of subway with outside track switch
Locking oiling device control circuit.
Background technology
Track switch is one of outer three-major-items of signal cabin, is important signalling arrangement, and it is stable and safety directly affects
To the stable of train travel and safety.Switch breakdown often accounts for more than half of signal fault, all of
In switch breakdown, the fault that transfer external locking device jam causes accounts for again great ratio, and jam phenomenon is
Track switch external locking device oil starvation or get rusty causes, and such fault occurs, it is necessary to work area arrives in the very nick of time
Scene carries out oiling to equipment, with lubricating utensil mechanical part.
Existing oiling means are the most also dependent on manpower hand lubrication, on the one hand can not oiling in real time, it is impossible to
The very first time, to equipment lubrication, eliminates jam；On the other hand, owing to equipment arranges dispersion, this oiling side
Formula consumes a large amount of manpower, also cannot thoroughly avoid missing inspection to leak situation about repairing.
Utility model content
The purpose of this utility model embodiment is to provide a kind of subway track switch external locking oiling device to control
Circuit, it is possible to be track switch external locking oiling device oiling in real time and automatically.
For achieving the above object, this utility model embodiment provides a kind of subway track switch external locking oiling
Device control circuit, including on-the-spot oiling node circuit and centralized Control circuit, described on-the-spot oiling node electricity
Road is all preset COM1 and second and is preset COM1 and be connected with described centralized Control circuit with first, institute
State on-the-spot oiling node circuit include oil pump driven circuit, oil pump current collection circuit, the first single-chip microcomputer and
First telecommunication circuit, described centralized Control circuit include the second telecommunication circuit, second singlechip, display screen with
And keyboard；
Wherein, described first telecommunication circuit is identical with the structure of described second telecommunication circuit, described first communication
Circuit and described second telecommunication circuit all include the communication chip that model is MAX485, described first single-chip microcomputer
Being AVR single chip with described second singlechip, the pin 1 of described communication chip is by the first photo-coupler
It is connected with the pin 2 of described AVR single chip, the pin 2 of described communication chip and pin 3 phase short circuit, and
Being connected with the pin 51 of described AVR single chip by the second photo-coupler, the pin 4 of described communication chip leads to
Crossing the 3rd photo-coupler to be connected with the pin 3 of described AVR single chip, the pin 6 of described communication chip passes through
Tenth current-limiting resistance is preset COM1 with described second and is connected, and the pin 7 of described communication chip is by the tenth
One current-limiting resistance is preset COM1 with described first and is connected, and pin 8 and the voltage of described communication chip are 5V
Power supply be connected, pin 5 ground connection of described communication chip；
Described oil pump driven circuit includes audion and the oil pump direct current generator that model is 8550, described three poles
The base stage of pipe is connected with the pin 50 of described AVR single chip by the 15th current-limiting resistance, described audion
Emitter-base bandgap grading is connected with the power supply that voltage is 5V, and the colelctor electrode of described audion is connected with relay, described relay
Movable contact be connected with the negative pole of described oil pump direct current generator, the break of described relay passes through predetermined power
Resistance eutral grounding, the positive pole of described oil pump direct current generator is connected with the power supply that voltage is 12V；
Described oil pump current collection circuit includes operational amplifier and potentiometer, described operational amplifier anti-phase
Input is connected with described relay with described predetermined power resistance by the 12nd resistance of series connection, described fortune
The in-phase input end calculating amplifier passes through the 13rd resistance eutral grounding, and the outfan of described operational amplifier is with described
Between inverting input connect have feedback resistance, the outfan of described operational amplifier by described potentiometer with
The pin PA2 of described AVR single chip is connected.
Further, two poles in described first photo-coupler, the second photo-coupler and the 3rd photo-coupler
Guan Jun includes that feeder ear, described feeder ear are connected with the power supply that voltage is 5V, in described first photo-coupler with
Connect between feeder ear in connected one end of pin 2 of described AVR single chip and described second photo-coupler
There is the 4th pull-up resistor.
Further, the feeder ear of described second photo-coupler is the electricity of 5V by the second current-limiting resistance and voltage
Source is connected, and the feeder ear of described 3rd photo-coupler is by the 3rd current-limiting resistance and the power supply phase that voltage is 5V
Even.
Further, between pin 8 and the pin 6 of described communication chip, connection has the 7th pull-up resistor, institute
State to connect between the pin 7 of communication chip and pin 5 and have the 8th pull down resistor.
Further, between pin 6 and the pin 7 of described communication chip, connection has TVS diode.
Further, described oil pump driven circuit also including, the model being in parallel with described relay is
The backflow diode of 1N4007.
From above-mentioned the application embodiment, the second telecommunication circuit in described centralized Control circuit and described
COM1 and second can be preset by first between the first telecommunication circuit in on-the-spot oiling node circuit
Default COM1 carries out data transmission, and the keyboard in described centralized Control circuit can be to described second monolithic
Machine input control instruction, after described control instruction is conveyed to the first telecommunication circuit by the second telecommunication circuit, institute
State the first single-chip microcomputer pin 50 can with output low level, then model be 8550 audion colelctor electrode and
Emitter-base bandgap grading turns on, so that relay is picked up, and the most just can be with the sound contact of closing relay.So,
Oil pump direct current generator just forms loop, and oil pump just starts oiling work.Therefore, this utility model provides
A kind of subway track switch external locking oiling device control circuit, it is possible to be track switch external lock in real time and automatically
Close oiling device oiling.
Accompanying drawing explanation
Fig. 1 is the subway structural representation of track switch external locking oiling device control circuit in this utility model；
Fig. 2 is the circuit diagram of telecommunication circuit in this utility model；
Fig. 3 is oil pump driven circuit and the circuit diagram of oil pump current collection circuit in this utility model.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, below in conjunction with this
Accompanying drawing in application embodiment, clearly and completely retouches the technical scheme in the application embodiment
State, it is clear that described embodiment is only a part of embodiment of the application rather than whole realities
Execute mode.Based on the embodiment in the application, those of ordinary skill in the art are not making creative labor
Other embodiments all obtained under dynamic premise, all should belong to the scope of the application protection.
The application embodiment provides a kind of subway track switch external locking oiling device control circuit.Refer to figure
1, described control circuit includes on-the-spot oiling node circuit and centralized Control circuit, described on-the-spot oiling node electricity
Road and described centralized Control circuit are all preset COM1 485_A and second and are preset COM1 with first
485_B is connected, and described on-the-spot oiling node circuit includes oil pump driven circuit 12, oil pump current collection circuit
14, the first single-chip microcomputer 11 and the first telecommunication circuit 13, described centralized Control circuit includes the second communication electricity
Road 22, second singlechip 21, display screen 23 and keyboard 24.Wherein, described keyboard 24 can be to institute
Stating second singlechip 21 and input control instruction, described control instruction can be led to by described second telecommunication circuit 22
Cross two communication port transfers to the first telecommunication circuit 13, and then described control instruction can be by the first single-chip microcomputer
11 process.Described display screen 23 is displayed for the oil mass in current track switch external locking oiling device
And other parameters.
Refer to Fig. 2, in the present embodiment, described first telecommunication circuit and described second telecommunication circuit
Structure is identical, all includes that model is the logical of MAX485 in described first telecommunication circuit and described second telecommunication circuit
Letter chip U1, described first single-chip microcomputer and described second singlechip are AVR single chip, described communication chip
The pin 1 of U1 is connected with the pin 2 of described AVR single chip, such as Fig. 2 institute by the first photo-coupler U2
Showing, the pin 2 of described AVR single chip can be AVR_RXD receiving terminal.The pin 2 of described communication chip
With pin 3 phase short circuit, and it is connected with the pin 51 of described AVR single chip by the second photo-coupler U3,
As in figure 2 it is shown, the pin 51 of described AVR single chip can be AVR_PA0.
In the present embodiment, the pin 2 of described communication chip can be only to Low level effective, described communication
The pin 3 of chip can be only effective to high level.So, the pin 51 of described AVR single chip can pass through
Output high level or low level, control described communication chip carry out sometime signal reception or
Send.
The pin 4 of described communication chip pin 3 phase by the 3rd photo-coupler U4 with described AVR single chip
Even, as in figure 2 it is shown, the pin 3 of described AVR single chip is AVR_TXD outfan.In present embodiment
In, the model of described three photo-couplers can be all PS2501.
Additionally, in the present embodiment, described first photo-coupler U2, the second photo-coupler U3 and
Diode in three photo-coupler U4 all includes that feeder ear, described feeder ear are connected with the power supply that voltage is 5V,
The one end being connected with the pin 2 of described AVR single chip in described first photo-coupler U1 and described second optocoupler
Connect between feeder ear in clutch U2 and have the 4th pull-up resistor R4.
The feeder ear of described second photo-coupler U3 is by the second current-limiting resistance R2 and the power supply phase that voltage is 5V
Even, the feeder ear of described 3rd photo-coupler U4 is by the 3rd current-limiting resistance R3 and the power supply phase that voltage is 5V
Even.Additionally, one end of audion in described second photo-coupler U3 by the 5th pull-up resistor R5 with
Voltage is that the power supply of 5V is connected, and one end of the audion in described 3rd photo-coupler U4 is by the 6th pull-up
Resistance R6 is connected with the power supply that voltage is 5V.
In the present embodiment, in order to ensure reliability, it is provided that network failure is protected, it is ensured that the free time of bus,
Can connect between the pin 8 of described communication chip and pin 6 and have the 7th pull-up resistor R7, such that it is able to
The input voltage of pull-up pin 6.Meanwhile, connect between pin 7 and the pin 5 of described communication chip and have the
Eight pull down resistor R8, such that it is able to the input voltage of drop-down pin 7.Simultaneously in order to resist on differential signal line
Surge and transient high-current, the resistance of respectively can connecting on every COM1 is the current limliting of 20 ohm
Resistance R10 and R11, it addition, all right TVS diode D1 in parallel, choosing outside R10 and R11
Type is P6KE6.8CA.It is to say, the pin 6 of described communication chip by the tenth current-limiting resistance R10 with
Described second presets COM1 485_B is connected, and the pin 7 of described communication chip is by the 11st current limliting electricity
Resistance R11 presets COM1 485_A with described first and is connected, and the pin 8 of described communication chip with voltage is
The power supply of 5V is connected, pin 5 ground connection of described communication chip, the pin 6 of described communication chip and pin 7
Between connect have TVS diode D1.
Referring to Fig. 3, in the present embodiment, described oil pump driven circuit includes the PNP that model is 8550
Type audion Q1 and oil pump direct current generator MG1, the base stage of described audion Q1 is by the 15th current limliting electricity
Resistance is connected with the pin 50 of described AVR single chip, as it is shown on figure 3, the pin 50 of described AVR single chip
For AVR_PA1.The emitter-base bandgap grading of described audion Q1 is connected with the power supply that voltage is 5V, described audion Q1's
Colelctor electrode is connected with relay K 1, and the movable contact of described relay K 1 is with described oil pump direct current generator MG1's
Negative pole is connected, and the break of described relay K 1 passes through predetermined power resistance R16 ground connection, described oil pump direct current
The positive pole of motor MG1 is connected with the power supply that voltage is 12V.Additionally, described oil pump driven circuit also includes
The backflow diode D2 that model is 1N4007 being in parallel with described relay K 1.
In the present embodiment, described oil pump current collection circuit includes operational amplifier U5 and potentiometer VR1,
The inverting input of described operational amplifier U5 is electric by the 12nd resistance R12 and the described predetermined power of series connection
Resistance R16 is connected with described relay K 1, and the in-phase input end of described operational amplifier U5 is by the 13rd electricity
Resistance R13 ground connection, is connected between the outfan of described operational amplifier U5 and described inverting input and has feedback electricity
Resistance R14, the outfan of described operational amplifier U5 is by described potentiometer VR1 and described AVR single chip
Pin PA2 is connected.Wherein, the current signal of MG1 can be converted to voltage signal and exports to computing by R16
After the output termination potentiometer VR1 of the resistance R12, U5 of the inverting input of amplifying circuit can will process
Magnitude of voltage is transferred to the PA2 foot of single-chip microcomputer and carries out analog digital conversion.When the pin 50 of described first single-chip microcomputer exports
During low level, then model is the colelctor electrode of audion and the emitter-base bandgap grading conducting of 8550, so that relay is inhaled
Rise, the most just can be with the sound contact of closing relay.So, oil pump direct current generator just forms loop, oil
Pump just starts oiling work.
From above-mentioned the application embodiment, the second telecommunication circuit in described centralized Control circuit and described
COM1 and second can be preset by first between the first telecommunication circuit in on-the-spot oiling node circuit
Default COM1 carries out data transmission, and the keyboard in described centralized Control circuit can be to described second monolithic
Machine input control instruction, after described control instruction is conveyed to the first telecommunication circuit by the second telecommunication circuit, institute
State the first single-chip microcomputer pin 50 can with output low level, then model be 8550 audion colelctor electrode and
Emitter-base bandgap grading turns on, so that relay is picked up, and the most just can be with the sound contact of closing relay.So,
Oil pump direct current generator just forms loop, and oil pump just starts oiling work.Therefore, this utility model provides
A kind of subway track switch external locking oiling device control circuit, it is possible to be track switch external lock in real time and automatically
Close oiling device oiling.
Above the describing of various embodiments of the application is supplied to people in the art with the purpose described
Member.It is not intended to exhaustive or is not intended to be limited to this utility model single disclosed embodiment.
As it has been described above, the various replacements of the application and change will be for above-mentioned technology one of ordinary skill in the art
Obviously.Therefore, although specifically discuss the embodiment of some alternatives, but other is implemented
Mode will be apparent from, or those skilled in the art relatively easily draw.The application is intended to be included in
These of the present utility model all replacements discussed, amendment and change, and fall in above-mentioned application
Other embodiment in spirit and scope.
Each embodiment in this specification all uses the mode gone forward one by one to describe, phase between each embodiment
As homophase part see mutually, each embodiment stress with other embodiments
Difference.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application has perhaps
Shape changeable and change are without deviating from spirit herein, it is desirable to appended claim includes these deformation and becomes
Change without deviating from spirit herein.
Claims (6)
1. a subway track switch external locking oiling device control circuit, including on-the-spot oiling node circuit and collection
Middle control circuit, described on-the-spot oiling node circuit and described centralized Control circuit all preset communication ends with first
Mouth and second is preset COM1 and is connected, it is characterised in that described on-the-spot oiling node circuit includes oil pump
Drive circuit, oil pump current collection circuit, the first single-chip microcomputer and the first telecommunication circuit, described centralized Control
Circuit includes the second telecommunication circuit, second singlechip, display screen and keyboard；
Wherein, described first telecommunication circuit is identical with the structure of described second telecommunication circuit, described first communication
Circuit and described second telecommunication circuit all include the communication chip that model is MAX485, described first single-chip microcomputer
Being AVR single chip with described second singlechip, the pin 1 of described communication chip is by the first photo-coupler
It is connected with the pin 2 of described AVR single chip, the pin 2 of described communication chip and pin 3 phase short circuit, and
Being connected with the pin 51 of described AVR single chip by the second photo-coupler, the pin 4 of described communication chip leads to
Crossing the 3rd photo-coupler to be connected with the pin 3 of described AVR single chip, the pin 6 of described communication chip passes through
Tenth current-limiting resistance is preset COM1 with described second and is connected, and the pin 7 of described communication chip is by the tenth
One current-limiting resistance is preset COM1 with described first and is connected, and pin 8 and the voltage of described communication chip are 5V
Power supply be connected, pin 5 ground connection of described communication chip；
Described oil pump driven circuit includes audion and the oil pump direct current generator that model is 8550, described three poles
The base stage of pipe is connected with the pin 50 of described AVR single chip by the 15th current-limiting resistance, described audion
Emitter-base bandgap grading is connected with the power supply that voltage is 5V, and the colelctor electrode of described audion is connected with relay, described relay
Movable contact be connected with the negative pole of described oil pump direct current generator, the break of described relay passes through predetermined power
Resistance eutral grounding, the positive pole of described oil pump direct current generator is connected with the power supply that voltage is 12V；
Described oil pump current collection circuit includes operational amplifier and potentiometer, described operational amplifier anti-phase
Input is connected with described relay with described predetermined power resistance by the 12nd resistance of series connection, described fortune
The in-phase input end calculating amplifier passes through the 13rd resistance eutral grounding, and the outfan of described operational amplifier is with described
Between inverting input connect have feedback resistance, the outfan of described operational amplifier by described potentiometer with
The pin PA2 of described AVR single chip is connected.
Control circuit the most according to claim 1, it is characterised in that described first photo-coupler,
Diode in two photo-couplers and the 3rd photo-coupler all includes that feeder ear, described feeder ear with voltage are
The power supply of 5V is connected, one end of being connected with the pin 2 of described AVR single chip in described first photo-coupler and
Connect between feeder ear in described second photo-coupler and have the 4th pull-up resistor.
Control circuit the most according to claim 2, it is characterised in that the confession of described second photo-coupler
Electricity end is connected with the power supply that voltage is 5V by the second current-limiting resistance, and the feeder ear of described 3rd photo-coupler leads to
Cross the 3rd current-limiting resistance to be connected with the power supply that voltage is 5V.
Control circuit the most according to claim 1, it is characterised in that the pin 8 of described communication chip
With connection has the 7th pull-up resistor between pin 6, connect between pin 7 and the pin 5 of described communication chip
There is the 8th pull down resistor.
Control circuit the most according to claim 1, it is characterised in that the pin 6 of described communication chip
With connection has TVS diode between pin 7.
Control circuit the most according to claim 1, it is characterised in that in described oil pump driven circuit also
Including the backflow diode that model is 1N4007 being in parallel with described relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486514.7U CN205781932U (en) | 2016-05-25 | 2016-05-25 | A kind of subway track switch external locking oiling device control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620486514.7U CN205781932U (en) | 2016-05-25 | 2016-05-25 | A kind of subway track switch external locking oiling device control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781932U true CN205781932U (en) | 2016-12-07 |
Family
ID=58109621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620486514.7U Expired - Fee Related CN205781932U (en) | 2016-05-25 | 2016-05-25 | A kind of subway track switch external locking oiling device control circuit |
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| Country | Link |
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| CN (1) | CN205781932U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499677A (en) * | 2019-09-03 | 2019-11-26 | 武汉奋翼科技有限公司 | A kind of novel external locking track switch auto Oil-filling System Using |
| CN111158292A (en) * | 2020-01-07 | 2020-05-15 | 中山同胜车辆检测设备有限公司 | Embedded intelligent high-speed network acquisition control module |
| CN111425751A (en) * | 2020-04-14 | 2020-07-17 | 中铁第一勘察设计院集团有限公司 | Automatic lubricating device for outer locking of turnout |
-
2016
- 2016-05-25 CN CN201620486514.7U patent/CN205781932U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499677A (en) * | 2019-09-03 | 2019-11-26 | 武汉奋翼科技有限公司 | A kind of novel external locking track switch auto Oil-filling System Using |
| CN111158292A (en) * | 2020-01-07 | 2020-05-15 | 中山同胜车辆检测设备有限公司 | Embedded intelligent high-speed network acquisition control module |
| CN111425751A (en) * | 2020-04-14 | 2020-07-17 | 中铁第一勘察设计院集团有限公司 | Automatic lubricating device for outer locking of turnout |
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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: 20161207 Termination date: 20170525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |