CN1317743A - Hardware and method for detecting switch-in or-off of microcomputer protecting device - Google Patents
Hardware and method for detecting switch-in or-off of microcomputer protecting device Download PDFInfo
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- CN1317743A CN1317743A CN 01129328 CN01129328A CN1317743A CN 1317743 A CN1317743 A CN 1317743A CN 01129328 CN01129328 CN 01129328 CN 01129328 A CN01129328 A CN 01129328A CN 1317743 A CN1317743 A CN 1317743A
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- microcomputer protecting
- protecting device
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000001012 protector Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 13
- 238000011161 development Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
A device and method for detecting the hardware switch-in or-off of microcomputer protector in electric powr system is disclosed. Said device includes a notebook computer connected with the microcomputer protector to be detected via RS-232 port, and with the external interface circuit via a digital switch-in and-off PC card. Said external interface circuit is connected to the backplate terminal of said microcomputer protector. Its advantages are more numbers of switched-on or-off channels, and easily portable.
Description
The present invention relates to power communication system, relate more specifically to pick-up unit and method microcomputer protecting device.
Along with the continuous development of computer technology, for the detection means of electric system protection device and detection method also in development constantly.As far back as the seventies, it is link that operation department begins to change patch, and testing equipment is fitted together, and the blank of reaying protection test device has appearred in appellation testing table or chamber.Developing on a large scale, produce and using typing reaying protection test device is the thing of nearly more than ten years.Along with putting into operation in a large number of Microcomputer Protection, bring new influence to detection technique, development department active adoption is digital control, numeral shows, microcomputer is able to programme and technology such as real-time simulation, and test unit develops to digitizing, microcomputerization and specialized direction.Typical product has the MRT-02 type detector of the electric New Tech S. R. L. in MRT-01 type detector, Witter, Beijing development of Huabei Electric Power College Beijing China electric power automation company development, 5108 serial detectors of Guangdong Onlly electric automatization company limited development or the like during this.But at present the domestic detector technical feature that lays particular emphasis on protective device detects, and open into, the amount of leaving path few, for detect microcomputer protecting device a large amount of open into, leave hardware circuit, need repeatedly substep wiring and repeatedly substep test and finish.
Problem numerous and diverse, that the test labor capacity is big, repeatability is strong that the test that an object of the present invention is to exist at above-mentioned prior art is used, provide a kind of simple in structure, easy to carry, succinct microcomputer protecting device of test open into, leave the pick-up unit of hardware.
Another object of the present invention is the problem that detects at the technical feature that only lays particular emphasis on protective device that above-mentioned prior art exists, provide a kind of microcomputer protecting device open into, leave the detection method of hardware.
The formation of device of the present invention is to realize by following technical scheme; microcomputer protecting device open into, leave the hardware detection device and comprise a portable notebook computer; this portable notebook computer is connected with the RS-232 interface of detected microcomputer protecting device by RS-232 Serial Port Line; by a numeral open into, leave the PC card and be connected with external interface circuit, this external interface circuit is connected with the backboard terminal of detected microcomputer protecting device by connecting line.
Described external interface circuit comprises that 32 the road leave photoelectric isolating circuit and 48 and open into photoelectric isolating circuit, and they are subjected to the control of electronics commutation circuit respectively.
The step of method of the present invention is to realize by following technical scheme, and a kind of microcomputer protecting device is opened into, the detection method of leaving hardware and comprised step:
Detecting the microcomputer protecting device pressing plate opens into amount;
Detecting the microcomputer protecting device signal opens into amount;
Detecting the switching of microcomputer protecting device definite value district opens into amount;
Detect the amount of leaving of microcomputer protecting device.
Below by accompanying drawing in conjunction with the embodiments, further specify technical scheme of the present invention.
Fig. 1 is the synoptic diagram that pick-up unit of the present invention constitutes;
Fig. 2 is the schematic diagram that the interface circuit of pick-up unit of the present invention constitutes;
Fig. 3 is the circuit diagram of electronic switch in the interface circuit of pick-up unit of the present invention;
Fig. 4 leaves photoelectric isolating circuit figure in the interface circuit of pick-up unit of the present invention;
Fig. 5 opens into photoelectric isolating circuit figure in the interface circuit of pick-up unit of the present invention;
Fig. 6 is the process flow diagram of detection method step of the present invention;
Fig. 7 checks in the detection method step of the present invention that pressing plate leaves the process flow diagram into amount;
Fig. 8 is a process flow diagram of checking the amount of leaving in the detection method step of the present invention;
Fig. 1 is the synoptic diagram that pick-up unit of the present invention constitutes.Microcomputer protecting device of the present invention open into, leave the hardware detection device and comprise a portable notebook computer 1; this portable notebook computer 1 is connected with the RS-232 interface of detected microcomputer protecting device 5 by a RS-232 Serial Port Line 7; by a numeral open into, leave PC card 2 and be connected with external interface circuit 3, this external interface circuit is connected with the backboard terminal 6 of detected microcomputer protecting device 5 by connecting line 4.
Described interface circuit 3 comprises that 32 the road leave photoelectric isolating circuit and 48 tunnel and open into photoelectric isolating circuit, and they are subjected to the control of electronics commutation circuit respectively.
The portability of notebook computer is more and more favored by users, and notebook computer is in order to keep its portability, and technical pattern is more than the desktop computer complexity, and can't allow the user open cabinet as desktop computer increases, changes various plug-in cards.Expand the performance of notebook computer, one of most important approach is exactly to obtain by inserting the PC card.The PC card standard that is suitable for various types of peripheral hardwares has been arranged in the prior art, so the PC card peripherals of various functions is just used and given birth to.Select for use in this pick-up unit open into, leave the peripherals that the PC card belongs to interface class, the PC card of selecting for use have 48 the tunnel open into/leave resource, it have open/the cut-through amount is many, software programming is convenient, flexibly, for any path programming personnel can be made as open into, also can be made as advantage such as cut-through.
Be satisfied with all kinds in order to make this detection system; the protective device hardware of various electric pressures open into/leave the detection of hardware circuit; prerequisite the most basic is that this detection system of requirement has opening into/cut-through of q.s; so just can realize to protective device automatically; closed loop detects; be about to after the opening of this pick-up unit and protective device/the cut-through line all connects; the detection software that utilizes this pick-up unit to be equipped with; the user detects after choosing measuring ability; at last testing result is shown to screen, the user can learn that path of protective device is intact; that path has problem.This detection thinking can improve detection efficiency, reduce tester's labor capacity, avoid the tester do a large amount of repeatability wiring, detect, see the work such as display result of protective device; if tester's energy is placed on when a certain path has problem, addresses this problem this intelligent work and come up.
The PC card of selecting for use have 48 the tunnel open into/leave resource; it be at present the obtainable PC card of opening into/the amount of leaving maximum; have 48 the tunnel open into/leave resource; for dissimilar; the microcomputer protecting device of different electric pressures open into/to leave the total amount difference big; the protective device that has is opened into total amount big; it is few to leave total amount; the protective device that has is then opposite; and the amount of opening and leave total amount and have more than 70 at most; so use this PC card; can not meet the demands obviously, in addition, because the card of this type has only a few countries production; and price comparison costliness; so be equipped with two such cards, obviously not good scheme, so in order to improve the usability of this card; the external interface circuit of special this card of design, its schematic diagram is referring to shown in Figure 2.
Fig. 2 is the schematic diagram that the interface circuit of pick-up unit of the present invention constitutes.One of function of external interface circuit is to extend out to open into/cut-through.The resource of this card be set to preceding 24 the tunnel be made as leave, the back 24 the tunnel be made as open into, leave establish in the resource 12 the tunnel as fixing leave to throw with the pressing plate that is used for protective device move back and the switching of definite value district and signal return, 8 road are left and can be switched by electronic switch, such 8 the road leave and can expand to 16 the road and leave, and also have four tunnel the Controlling Source that gives over to electronic switch of leaving in addition; Back 24 tunnel open into switch by electronic switch expand to 48 the tunnel open into.Electronic switch adopts referring to circuit shown in Figure 3 to be formed.
Fig. 3 is the circuit diagram of electronic switch in the interface circuit of pick-up unit of the present invention.Wherein VCC and VSS are connected the 24V+ and the 24V ground of protective device respectively, and when QH13 was high level, the triode on the right side was by the triode conducting on, the left side, and VO1 is that 24V+, VO2 are low level; On the contrary, when QH13 was low level, VO2 was that 24V+, VO1 are low level, by this principle switch two-way open into or cut-through.
In addition; opening into/cut-through of the PC card of selecting for use do not have photoelectric isolating circuit; in order to make notebook computer 1 safety, to work reliably; need external photoelectric isolating circuit that notebook computer 1 and protective device 5 are kept apart from electric; so externally special design is left photoelectric isolating circuit and is opened into photoelectric isolating circuit in the interface circuit, referring to Fig. 4 and shown in Figure 5.In the photoelectric isolating circuit power supply in light emitting diode left side from notebook computer+power supply on 5v power supply, its right side draw self-protecting device+the 24v power supply.
This detection system is at special microcomputer protecting device; be characterized in opening/the cut-through amount is many; if so the user one by one path come wiring; it is very loaded down with trivial details, very hard work; so it is special with the line part shown in accompanying drawing Fig. 1 frame of broken lines; design special line connection board at specific protective device, line between the two adopt and the protective device backboard on open into/plug wire capitiform the formula of leaving mouth and be connected.
This detection system is at specifically; special microcomputer protecting device designs; for adopting one to detect software flow with a kind of protective device; concrete test item is with reference to the pilot project instructions of microcomputer protecting device to be tested; open into; the flow scheme design that the amount of leaving is checked; for example Beijing Ha Dewei protects the opening of CSL101A (B) device of cubic company to be divided into pressing plate into the amount inspection and to open into the amount inspection; signal is opened to switch to open into amount into amount inspection and definite value district and is checked three parts; it is that example illustrates that concrete programming process is opened into the amount inspection with pressing plate, and its software flow is seen shown in Figure 6.
Fig. 6 is the process flow diagram of detection method step of the present invention.At first from step S601; entering step S602 detection microcomputer protecting device pressing plate opens into amount; entering step S603 detection microcomputer protecting device signal then opens into amount; then be to enter the district's switching of step S604 detection microcomputer protecting device definite value to open into amount; the amount of leaving at step S604 detection microcomputer protecting device finishes at step S606 at last.
Fig. 7 checks in the detection method step of the present invention that pressing plate leaves the process flow diagram into amount: at first from step S701; entering step S702 detects software and the protection pressing plate of choosing is opened into the amount path is put the TTL high level; by external interface circuit the TTL high level is converted to the idle contact closure; show that this pressing plate throws; communicate by the serial ports of notebook computer and the serial ports of protective device at step S703 then; the pressing plate information of read protection device; then judge at step S704 whether communication is successful; if judge it is sure; after promptly in the regular hour, calling required information; program enters step S704; then the pressing plate of display protection device is thrown the information of moving back; entering step S707 then finishes; if step S704 judge whether fixed; be the required information of not calling in the regular hour; then judge whether to continue communication at step S706; finish if judge whether fixed then enter step S707; if the judgement at step S706 is sure; step is got back to step S703; can point out the user again with the protective device communications codes; if the user selects to recommunicate, then to communicate by letter with protective device again, step is got back to step S703.
Fig. 8 checks the process flow diagram of leaving transmission in the detection method step of the present invention.Protection is left transmission test and is used for protective device is left the inspection of hardware path; at first from step S801; what enter that step S802 selects protective device leaves transmission number; be after the user chooses the object of leaving transmission and treats the CPU of transmission; enter step S803; notebook computer and protective device carry out serial communication and send out the transmission order; and judge whether success of transmission at step S804; if judge it is sure at step S804; then step enters the state of leaving of S805 read protection device; after promptly operating successfully; return successfully indicates (whether function returns successfully sign automatically in the program), successfully indicates if read operation, and then pick-up unit read protection device leaves close access; and the cut-through that these are closed is shown to the screen of notebook computer; program enters into step S808 and finishes then, if judge whether surely at step S804, then step enters S806; notify the user, communication is unsuccessful! And judge further at step S807 whether communication continues, and if judge whether surely, then enter step S808 and finish, if be sure in the judgement of step S807, step is got back to step S803, promptly the user can check whether respective via moves normally; If read the operation failure sign or communicate by letter undesiredly, then point out the user to withdraw from communication or continue communication, the user can select to proceed communication or withdraw from this test.
Claims (5)
1, a kind of microcomputer protecting device open into, leave the hardware detection device; comprise a portable notebook computer (1); this portable notebook computer (1) is connected with the RS-232 interface of detected microcomputer protecting device (5) by a RS-232 Serial Port Line (7); it is characterized in that: this portable notebook computer (1) by a numeral open into, leave PC card (2) and be connected with external interface circuit (3), this external interface circuit (3) is connected with the backboard terminal (6) of detected microcomputer protecting device (5) by connecting line (4).
2, according to claims 1 described device, it is characterized in that: described interface circuit comprises that 32 the road leave photoelectric isolating circuit and 48 tunnel and open into photoelectric isolating circuit, and they are subjected to the control of electronics commutation circuit respectively.
3, a kind of microcomputer protecting device open into, leave the detection method of hardware, it is characterized in that: described method comprises step:
Detecting the microcomputer protecting device pressing plate opens into amount;
Detecting the microcomputer protecting device signal opens into amount;
Detecting the switching of microcomputer protecting device definite value district opens into amount;
Detect the amount of leaving of microcomputer protecting device.
4, according to the method for claim 3; it is characterized in that: the step that described detection microcomputer protecting device pressing plate is opened into amount further comprises: detection software is opened into the amount path the protection pressing plate of choosing and is put the TTL high level, communicates by the serial ports of notebook computer and the serial ports of protective device, and the pressing plate information of read protection device, judgement communication pressing plate whether successful, display protection device are thrown the step of the information of moving back.
5, according to the method for claim 4; it is characterized in that: the step of leaving transmission of described detection microcomputer protecting device further comprises: that selects protective device leaves transmission number; be that notebook computer and protective device carry out serial communication sends out transmission makes, judges whether transmission is successful, the state of leaving of read protection device; after promptly operating successfully; return successfully indicates; notify the user, communication is unsuccessful, whether the communication of judgement continues, checks whether respective via moves normally, the user can select to proceed to communicate by letter or withdraw from the step of this test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011293284A CN1139875C (en) | 2001-06-12 | 2001-06-12 | Hardware and method for detecting switch-in or-off of microcomputer protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011293284A CN1139875C (en) | 2001-06-12 | 2001-06-12 | Hardware and method for detecting switch-in or-off of microcomputer protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1317743A true CN1317743A (en) | 2001-10-17 |
| CN1139875C CN1139875C (en) | 2004-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011293284A Expired - Fee Related CN1139875C (en) | 2001-06-12 | 2001-06-12 | Hardware and method for detecting switch-in or-off of microcomputer protecting device |
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| Country | Link |
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| CN (1) | CN1139875C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100382593C (en) * | 2005-06-28 | 2008-04-16 | 海信集团有限公司 | Photoelectric insulation protector for serial port |
| CN102005815A (en) * | 2009-09-01 | 2011-04-06 | 上海艾木恩投资发展有限公司 | Intelligent detection system and detection method of press plate position |
| CN109116133A (en) * | 2018-06-22 | 2019-01-01 | 国电南瑞科技股份有限公司 | A kind of power equipment IO plug-in unit automatic test approach of suitable flow line production |
-
2001
- 2001-06-12 CN CNB011293284A patent/CN1139875C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100382593C (en) * | 2005-06-28 | 2008-04-16 | 海信集团有限公司 | Photoelectric insulation protector for serial port |
| CN102005815A (en) * | 2009-09-01 | 2011-04-06 | 上海艾木恩投资发展有限公司 | Intelligent detection system and detection method of press plate position |
| CN102005815B (en) * | 2009-09-01 | 2013-07-17 | 上海艾木恩投资发展有限公司 | Intelligent detection system and detection method of press plate position |
| CN109116133A (en) * | 2018-06-22 | 2019-01-01 | 国电南瑞科技股份有限公司 | A kind of power equipment IO plug-in unit automatic test approach of suitable flow line production |
| CN109116133B (en) * | 2018-06-22 | 2020-10-16 | 国电南瑞科技股份有限公司 | Automatic test method for IO plug-in of power equipment suitable for assembly line production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1139875C (en) | 2004-02-25 |
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| SE01 | Entry into force of request for substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING SIFANG JIBAO AUTOMATION CO., LTD. Free format text: FORMER OWNER: SIFANG TONGCHUANG PROTECTION AND CONTROL EQUIPMENT CO., LTD., BEIJING Effective date: 20040521 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20040521 Patentee after: Beijing Sifang Jibao Automation Co., Ltd. Patentee before: Sifang Tongchuang Protection and Control Equipment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040225 Termination date: 20180612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |