CN201600574U - Vehicular logic control unit for realizing interchange of inserts - Google Patents

Vehicular logic control unit for realizing interchange of inserts Download PDF

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Publication number
CN201600574U
CN201600574U CN2009202153171U CN200920215317U CN201600574U CN 201600574 U CN201600574 U CN 201600574U CN 2009202153171 U CN2009202153171 U CN 2009202153171U CN 200920215317 U CN200920215317 U CN 200920215317U CN 201600574 U CN201600574 U CN 201600574U
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CN
China
Prior art keywords
circuit
plug
control
card
input
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009202153171U
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Chinese (zh)
Inventor
何鸿云
李家武
王玉松
陈溉泉
吕正银
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Yuanda Technology Co., Ltd.
Original Assignee
YUNDA CREATIVE TECH Co LTD CHENGDU
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Priority to CN2009202153171U priority Critical patent/CN201600574U/en
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Publication of CN201600574U publication Critical patent/CN201600574U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a vehicular logic control unit for realizing interchange of inserts, which solves the problem that control card boards in the prior art are unable to be interchanged completely. The vehicular logic control unit comprises a power source interface, an input/output interface, a communication interface, a power source card board and at least one control card board, wherein the power source interface and the input/output interface are respectively connected with the power card board and the control card board through conductors, and all control card boards are connected with the communication interface through a communication bus. The vehicular logic control unit is characterized in that both the at least one control card board and the input/output interface are provided with a module position identification device. Each of the at least one control card board includes an input circuit, an output circuit, a single chip microcomputer, a module position identification circuit and a communication circuit, wherein the input circuit, the output circuit, the module position identification circuit and the communication circuit are respectively connected with the single chip microcomputer. The vehicular logic control unit not only realizes complete interchange of the at least one control card board, but also leads use of devices to be convenient and speedy.

Description

A kind of vehicle-mounted logic control element of realizing that plug-in unit exchanges
Technical field
The utility model relates to a kind of onboard control device, specifically is meant a kind of vehicle-mounted logic control element of realizing that plug-in unit exchanges.
Background technology
Vehicle-mounted logic control element (LCU, DKL) is vehicle-mounted control and the driving arrangement of realizing with modern power electronics technology and Computer Control Technology, on the one hand, it replaces relay directly to drive control coils such as electromagnetic contactor with power electric components such as power field effect pipe, IGBT, guarantees the execution of various control commands; On the other hand, it realizes logic linkage relationship between the various electrical equipment with computer software, ensures train safe, travels reliably.
According to the function of vehicle-mounted logic control element, can be divided into power module, control module, load module and output module, its structured flowchart is seen shown in Figure 1.
For the physical construction that realizes vehicle-mounted logic control element is installed, except that the cabinet that needs the design logic control module, also need designing power supply plug-in card, control plug-in card, input plug-in card and output inserter plate.Cabinet is realized the machinery installation of power interface socket, input/output interface socket and all kinds of plug-in cards, the power insert plate provides working power for control plug-in card, input plug-in card and output inserter plate, the input plug-in card is finished photoelectricity isolation, the level conversion of input signal, the output inserter plate is finished and is amplified after the isolation of output order and the driving of load circuit, control plug-in card to input plug-in card and the firm and hard existing unified management of output inserter, and realize logical operation, functions such as time-delay control, Control on Communication and Software Anti-interference.We are referred to as discrete technology this implementation.
At present, adopt discrete technology to realize that the vehicle-mounted logic control element of control is also using, its composition is seen shown in Figure 2.But in actual applications,, brought inconvenience to daily servicing because the kind of plug-in card is too many.Because logic control element belongs to locomotive vitals (equipment), applying unit need be prepared necessary standby redundancy, and has to each plug-in unit is all bought spare part when buying, and the use cost of equipment is increased greatly.
The another kind of implementation of vehicle-mounted logic control element is: the control plug-in card adopts unified hardware configuration design, and all designing on the every control plug-in card has input circuit, output circuit, logic control circuit and telecommunication circuit, and its composition is seen shown in Figure 3.But adopt the logic control element of this mode, its control plug-in unit can't be confirmed the function of self automatically.For satisfying practice, need on the control plug-in card, toggle switch be set plug-in unit is carried out geocoding, perhaps use different Control Software to achieve the working control demand that different functions satisfies locomotive to plug-in unit.Though this implementation has been simplified the composition structure of logic control element concerning device fabrication producer, equipment has caused the big shortcoming of management difficulty in actual use again.Device fabrication producer often can not give the user with the logic control software of core for the protection that self-technique is realized; The user has also limited the daily management level of equipment to the grasp degree of automatic control technology.In order to address this problem, the user often needs to prepare simultaneously some " different control plug-in units " (only be the Control Software difference, by manufacturer plug-in unit preset different Control Software).In this case, not only do not solve the problem that plug-in card is of a great variety, the equipment use cost is too high, also can coexist mutually and obscure easily, make mistakes in the daily use because of the plug-in card outward appearance.
The utility model content
The purpose of this utility model is to provide a kind of vehicle-mounted logic control element that can realize fully that plug-in unit exchanges, solve problems of the prior art, make the kind normalizing of control plug-in card, not only reduce the use cost of equipment, and use more convenient, safety.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of vehicle-mounted logic control element of realizing that plug-in unit exchanges, comprise power interface, input/output interface, communication interface, power insert plate, and at least one control plug-in card, power interface, input/output interface are connected with power insert plate, control plug-in card respectively by lead, all control plug-in cards all are connected with communication interface by communication bus, it is characterized in that, on control plug-in card and input/output interface, be equipped with the module position identification circuit.
Described control plug-in card comprises single-chip microcomputer, and the input circuit that is connected with single-chip microcomputer, output circuit, module position identification circuit and telecommunication circuit.
Described telecommunication circuit is one or both in CAN telecommunication circuit, the RS-485 telecommunication circuit.
Also be provided with signal noiseproof circuit and input photoelectric isolating circuit on the described control plug-in card, input circuit, signal noiseproof circuit, input photoelectric isolating circuit, single-chip microcomputer connect successively.
Also be provided with the output that is connected with the single-chip microcomputer clear circuit that powers on the described control plug-in card.
Also be provided with output photoelectric isolating circuit and overcurrent, short-circuit protection circuit on the described control plug-in card, described output circuit one end is connected by output photoelectric isolating circuit and the output clear circuit that powers on, and the other end passes through stream, short-circuit protection circuit is connected with single-chip microcomputer.
Also be provided with panel display lamp driving circuit on the described control plug-in card, described panel display lamp driving circuit one end is connected with single-chip microcomputer, and the other end is connected with overcurrent, short-circuit protection circuit.
Also be provided with the watchdog circuit that is connected with single-chip microcomputer on the described control plug-in card.
Also be provided with the program download port on the described control plug-in card.
The utility model is by controlling the inside and outside module position identification circuit that is provided with respectively of plug-in card, by both cooperations, coding is realized the uniqueness of plug-in card position ID, automatically confirm to control the plate position of plug-in card in cabinet by logic control software then, realize the different input signals and the control of output load separately, finish the logic control of locomotive jointly.All control plug-in units use identical Control Software, therefore each is opened control plug-in card and can be installed on arbitrary control plug-in card position in the vehicle-mounted logic control element, has really realized the exchange fully of control plug-in card of the vehicle-mounted logic control element of same locomotive model.
Simple in structure, the stable performance of the utility model, resemblance, the electric characteristic of control plug-in card are in full accord, the employed logic control software of control plug-in card is also in full accord, the control plug-in card of the vehicle-mounted logic control element of same locomotive model can exchange use fully, thereby the use cost of equipment is reduced greatly, and make the user more convenient to administering and maintaining of equipment, have very high practical value.
Description of drawings
Fig. 1 is the system chart of the vehicle-mounted logic control element of routine.
Fig. 2 is the system chart of the vehicle-mounted logic control element of the discrete technology of employing.
Fig. 3 only realizes that control plug-in card hardware exchanges the system chart of the vehicle-mounted logic control element of function.
Fig. 4 is a system chart of the present utility model.
Fig. 5 is the system chart of control plug-in card in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As Fig. 4, shown in Figure 5, a kind of vehicle-mounted logic control element of realizing that plug-in unit exchanges, comprise power interface, input/output interface, communication interface, power insert plate, and at least one control plug-in card, power interface, input/output interface are connected with power insert plate, control plug-in card respectively by lead, all control plug-in cards all are connected with communication interface by communication bus, it is characterized in that, on each control plug-in card and input/output interface, be equipped with the module position identification circuit.
Described control plug-in card comprises input circuit, output circuit, single-chip microcomputer, module position identification circuit, telecommunication circuit, signal noiseproof circuit, input photoelectric isolating circuit, output photoelectric isolating circuit, watchdog circuit, panel display lamp driving circuit, exports power on clear circuit and overcurrent, short-circuit protection circuit and program download port.Wherein, described module position identification circuit, telecommunication circuit, watchdog circuit and program download port directly are connected with single-chip microcomputer respectively; Input circuit, signal noiseproof circuit, input photoelectric isolating circuit are connected with single-chip microcomputer after being linked in sequence; Output powers on and is connected with single-chip microcomputer after clear circuit, output photoelectric isolating circuit, output circuit and overcurrent, short-circuit protection circuit are linked in sequence, and exports the clear circuit that powers on and also directly is connected with single-chip microcomputer; Panel display lamp driving circuit one end is connected with single-chip microcomputer, and the other end is connected with overcurrent, short-circuit protection circuit.
In each circuit of above-mentioned control plug-in card, port, the module position identification circuit is by gathering the multichannel level signal, level signal is converted to digital signal, and (high level is " 1 ", low level is " 0 "), carry out binary coding then in a certain order, the numerical value of coding back gained is used as the current ID value of control plug-in card.
Watchdog circuit is a kind of working condition and electric voltage observation circuit, triggers " resetting " signal when the electric voltage exception of controlling plug-in card or CPU operation irregularity, allows the CPU of control plug-in card devote oneself to work again.
The Control Software that the function of program download port is to realize to control plug-in card writes in the storage medium of CPU (single-chip microcomputer) in the mode of serial communication.
Input circuit is a 110V input translation circuit.After the 110V input signal carried out step-down processing and voltage stabilizing amplitude limiting processing by resistor network, the voltage signal that only meets design requirement could normally be passed through, just can send into follow-up circuit and carry out next step processing and handle.
Output circuit is the 110V output driving circuit.When the output circuit instruction is " 1 ", the command voltage amplitude is enlarged into 110V, be used for driving external loading.
The signal noiseproof circuit carries out delay process by modes such as capacitor filterings, eliminates the shake of input signal.
Photoelectric isolating circuit converts the 110V input signal to the 5V digital signal.
Two CAN telecommunication circuits realize that control plug-in card and miscellaneous equipment (plug-in card) carry out data communication.
Exporting the clear circuit that powers on is a kind of output circuit State Control and memory circuit, can carry out clear operation to all output circuits when control plug-in card electrifying startup, can keep current output circuit state when resetting.
Overcurrent, short-circuit protection circuit are monitored the 110V driving circuit, protect action when excess current or short trouble.
Panel display lamp driving circuit is the indicating circuit of control plug-in card working condition and fault, lights corresponding pilot lamp when input circuit or output circuit " have ", lights " communication failure " pilot lamp when CPU detects communication abnormality.
Single-chip microcomputer is the control core of The whole control plug-in card, is the CPU of control plug-in card, and it carries out automatic management by Control Software to each functional circuit of plug-in card.

Claims (9)

1. vehicle-mounted logic control element of realizing that plug-in unit exchanges, comprise power interface, input/output interface, communication interface, power insert plate, and at least one control plug-in card, power interface, input/output interface are connected with power insert plate, control plug-in card respectively by lead, all control plug-in cards all are connected with communication interface by communication bus, it is characterized in that, on control plug-in card and input/output interface, be equipped with the module position identification circuit.
2. the vehicle-mounted logic control element that realization plug-in unit according to claim 1 exchanges is characterized in that described control plug-in card comprises single-chip microcomputer, and the input circuit that is connected with single-chip microcomputer, output circuit, module position identification circuit and telecommunication circuit.
3. the vehicle-mounted logic control element that realization plug-in unit according to claim 2 exchanges is characterized in that described telecommunication circuit is one or both in CAN telecommunication circuit, the RS-485 telecommunication circuit.
4. the vehicle-mounted logic control element that realization plug-in unit according to claim 2 exchanges, it is characterized in that, also be provided with signal noiseproof circuit and input photoelectric isolating circuit on the described control plug-in card, input circuit, signal noiseproof circuit, input photoelectric isolating circuit, single-chip microcomputer connect successively.
5. the vehicle-mounted logic control element that realization plug-in unit according to claim 2 exchanges is characterized in that, also is provided with the output that is connected with the single-chip microcomputer clear circuit that powers on the described control plug-in card.
6. the vehicle-mounted logic control element that realization plug-in unit according to claim 5 exchanges; it is characterized in that; also be provided with output photoelectric isolating circuit and overcurrent, short-circuit protection circuit on the described control plug-in card; described output circuit one end is connected by output photoelectric isolating circuit and the output clear circuit that powers on, and the other end passes through stream, short-circuit protection circuit is connected with single-chip microcomputer.
7. the vehicle-mounted logic control element that realization plug-in unit according to claim 6 exchanges; it is characterized in that; also be provided with panel display lamp driving circuit on the described control plug-in card, described panel display lamp driving circuit one end is connected with single-chip microcomputer, and the other end is connected with overcurrent, short-circuit protection circuit.
8. the vehicle-mounted logic control element that realization plug-in unit according to claim 2 exchanges is characterized in that, also is provided with the watchdog circuit that is connected with single-chip microcomputer on the described control plug-in card.
9. the vehicle-mounted logic control element that realization plug-in unit according to claim 2 exchanges is characterized in that, also is provided with the program download port on the described control plug-in card.
CN2009202153171U 2009-12-31 2009-12-31 Vehicular logic control unit for realizing interchange of inserts Expired - Lifetime CN201600574U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202153171U CN201600574U (en) 2009-12-31 2009-12-31 Vehicular logic control unit for realizing interchange of inserts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202153171U CN201600574U (en) 2009-12-31 2009-12-31 Vehicular logic control unit for realizing interchange of inserts

Publications (1)

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CN201600574U true CN201600574U (en) 2010-10-06

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104181834A (en) * 2013-05-23 2014-12-03 中国科学院软件研究所 Eight-channel 110V digital PC104 control card and control method
CN104881331A (en) * 2015-06-05 2015-09-02 南京国电南自城乡电网自动化工程有限公司 Intelligent module recognition method based on software and hardware coding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104181834A (en) * 2013-05-23 2014-12-03 中国科学院软件研究所 Eight-channel 110V digital PC104 control card and control method
CN104881331A (en) * 2015-06-05 2015-09-02 南京国电南自城乡电网自动化工程有限公司 Intelligent module recognition method based on software and hardware coding

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GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20110418

Address after: High tech Zone Chengdu city Sichuan province 610000 Gaopeng Road No. 2 Conte incubator base

Patentee after: Chengdu Yunda Rail Equipment Co., Ltd.

Address before: High tech Zone Chengdu city Sichuan province 610000 Gaopeng Road No. 2 Conte incubator base

Patentee before: Yunda Creative Tech Co., Ltd, Chengdu

Effective date of registration: 20110418

Address after: High tech Zone Chengdu city Sichuan province 610000 Gaopeng Road No. 2 Conte incubator base

Patentee after: Chengdu Yunda Rail Equipment Co., Ltd.

Address before: High tech Zone Chengdu city Sichuan province 610000 Gaopeng Road No. 2 Conte incubator base

Patentee before: Yunda Creative Tech Co., Ltd, Chengdu

ASS Succession or assignment of patent right

Owner name: CHENGDU YUNDA RAIL EQUIPMENT CO., LTD.

Free format text: FORMER OWNER: YUNDA CREATIVE TECH CO., LTD, CHENGDU

Effective date: 20110418

C41 Transfer of patent application or patent right or utility model
CP01 Change in the name or title of a patent holder

Address after: High tech Zone Chengdu city Sichuan province 610000 Gaopeng Road No. 2 Conte incubator base

Patentee after: Chengdu Yuanda Technology Co., Ltd.

Address before: High tech Zone Chengdu city Sichuan province 610000 Gaopeng Road No. 2 Conte incubator base

Patentee before: Chengdu Yunda Rail Equipment Co., Ltd.

Address after: High tech Zone Chengdu city Sichuan province 610000 Gaopeng Road No. 2 Conte incubator base

Patentee after: Chengdu Yuanda Technology Co., Ltd.

Address before: High tech Zone Chengdu city Sichuan province 610000 Gaopeng Road No. 2 Conte incubator base

Patentee before: Chengdu Yunda Rail Equipment Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: CHENGDU YUNDA TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: CHENGDU YUNDA RAIL TRANSIT EQUIPMENT CO., LTD.

CX01 Expiry of patent term

Granted publication date: 20101006

CX01 Expiry of patent term