CN201830278U - Dual-machine switching device of transformer substation communication management unit - Google Patents
Dual-machine switching device of transformer substation communication management unit Download PDFInfo
- Publication number
- CN201830278U CN201830278U CN2010205546546U CN201020554654U CN201830278U CN 201830278 U CN201830278 U CN 201830278U CN 2010205546546 U CN2010205546546 U CN 2010205546546U CN 201020554654 U CN201020554654 U CN 201020554654U CN 201830278 U CN201830278 U CN 201830278U
- Authority
- CN
- China
- Prior art keywords
- pin
- slave
- integrated chip
- main frame
- control loop
- Prior art date
- 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
Links
- 238000004891 communication Methods 0.000 title claims abstract description 81
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 101150056741 Xirp2 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Landscapes
- Small-Scale Networks (AREA)
Abstract
The utility model discloses a dual-machine switching device of a transformer substation communication management unit. The dual-machine switching device comprises an in-out control loop and a communication control loop, wherein the in-out control loop comprises a host in-out control loop and a slave in-out control loop; the host in-out control loop realizes the in-access and the out-control of the host end; the slave in-out control loop realizes the in-access and the out-control of the slave end; the communication control loop realizes the connection or disconnection of a communication hardware loop; the in and out relation of the host in-out control loop and the slave in-out control loop are adopted for distinguishing the host and the slave, and then a relay of the communication control loop is driven according to the result so as to enable the communication to be connected or prohibited. The dual-machine switching device realizes the hardware dual-machine switching through the in-out control loop and the communication control loop, is simple and reliable, can accurately and fast realize the switching of the host and the slave of the communication management unit and simultaneously can ensure the normal communication in the switching process.
Description
Technical field
The utility model relates to a module in the automation of transformation substations device, especially a kind of two-shipper switching device shifter of communication processor.
Background technology
Communication processor in the transformer station mainly is in charge of the communication between all smart machines, and full station automatic information is carried out summarizing, is responsible for station inside and outside information exchange and Equipment Control, has important effect and status.
Communication processor is based on system for computer equipment, because network failure or self hardware fault can appear in the inherent characteristic of computer unavoidably, in order to guarantee the reliable communication of full station equipment, supervisor all is set to the dual-computer redundancy pattern usually.When the main frame operate as normal constantly, communication management is realized by main frame in full station, slave can be monitored communication but should not cause interference to communication; When hostdown, slave should be able to be automatically upgraded to main frame, takes over main frame and devotes oneself to work rapidly.Therefore be necessary to design a kind of can the oneself identification, the two-shipper switching device shifter that the oneself is switched is effectively realized the mechanism that two-shipper switches.
Summary of the invention
Goal of the invention: the communication processor two-shipper that the utility model is primarily aimed in the automation of transformation substations device switches requirement, has designed a kind of can the oneself identification, the self-two-shipper switching device shifter that switches.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of two-shipper switching device shifter of transformer substation communication supervisor, it comprises opens into leaving control loop and Communication Control loop; Open into leaving control loop and comprise that main frame leaves into leaving control loop and slave and open into leaving control loop, main frame leaves into leaving control loop and realizes opening into access and leaving control of host side, and slave is opened into leaving control loop and realized opening into access and leaving control of slave end; The conducting or the shutoff in communication hardware loop realized in the Communication Control loop; Open into leaving control loop and slave by main frame and to open into leaving opening of control loop and determine main frame and slave, enable communication or forbid communication according to differentiating the relay that the result drives the Communication Control loop then into, the relation left.
In the utility model, described main frame is opened into leaving control loop and is comprised main frame optocoupler integrated chip, 7 pin of main frame optocoupler integrated chip connect positive supply through a pull-up resistor, 8 pin of main frame optocoupler integrated chip connect the control pin of CPU, 10 pin of main frame optocoupler integrated chip through behind No. five resistance as the positive output pin, the positive output pin is opened into the positive input pin of leaving the loop by slave and is connect positive supply, 9 pin of main frame optocoupler integrated chip are the negative output pin, and the negative output pin is opened into the negative input pin of leaving the loop with slave and is connected; 6 pin of main frame optocoupler integrated chip connect negative supply, 5 pin of main frame optocoupler integrated chip through behind No. two resistance as negative input pin, the positive input pin of optocoupler integrated chip connects positive supply; 12 pin of main frame optocoupler integrated chip connect positive supply, and 11 pin of main frame optocoupler integrated chip are through No. six drop-down ground connection of resistance, and 11 pin are output pin simultaneously; 3 pin of main frame optocoupler integrated chip connect positive supply through No. three resistance, 4 pin of main frame optocoupler integrated chip connect positive supply after through No. four resistance, 4 pin connect negative supply through a wire jumper simultaneously, 14 pin of main frame optocoupler integrated chip connect positive supply through No. seven resistance, 14 pin are as opening into input pin 13 pin ground connection of main frame optocoupler integrated chip simultaneously.
In the utility model, described slave is opened into leaving control loop and is comprised slave optocoupler integrated chip, and 7 pin of slave optocoupler integrated chip connect positive supply through the ride on Bus No. 11 pull-up resistor, and 8 pin of slave optocoupler integrated chip connect the control pin of CPU; 10 pin of slave optocoupler integrated chip through behind ten No. five resistance as the positive output pin, the positive input pin of the positive output pin of slave optocoupler integrated chip and main frame optocoupler integrated chip joins; 9 pin of slave optocoupler integrated chip are the negative output pin; 6 pin of slave optocoupler integrated chip connect negative supply, 5 pin of slave optocoupler integrated chip through behind ten No. two resistance as negative input pin, 12 pin of slave optocoupler integrated chip connect positive supply, and 11 pin of slave optocoupler integrated chip are through ten No. six drop-down ground connection of resistance, and 11 pin are output pin simultaneously; 3 pin of slave optocoupler integrated chip connect positive supply through ten No. three resistance, 4 pin of slave optocoupler integrated chip connect positive supply after through ten No. four resistance, 4 pin connect negative supply through No. two wire jumpers simultaneously, 14 pin of slave optocoupler integrated chip connect positive supply through ten No. seven resistance, 14 pin are as opening into input pin 13 pin ground connection of slave optocoupler integrated chip simultaneously.
In the utility model, described Communication Control loop comprises the serial communication level translator, and 14 pin of serial communication level translator link to each other with 4 pin of relay, and 3 pin of relay are received on the communication terminal through ten No. nine resistance; 13 pin of serial communication level translator are received on the communication terminal through two No. ten resistance; The IO pin of CPU is received photoelectrical coupler 2 pin through ten No. eight resistance, 1 pin of photoelectrical coupler connects power supply, 4 pin ground connection of photoelectrical coupler, 5 pin of photoelectrical coupler are received on 10 pin of relay, 1 pin of relay is received on the positive supply, simultaneously on 10 pin of relay and 1 pin also and diode arranged.
Operation principle of the present utility model: CPU will leave opening into SWINx (x=1 or 2) and opening into A/Bx (x=1 or 2) and carry out and logic determines of control loop, and the result is a main frame for high self-identifying, otherwise is slave.Opening into the grounding jumper of leaving control loop of telecommunication management machine host do not jumped, and slave is jumped onto this wire jumper, thus when start, the opening into input pin A/B1 of main frame to high, slave be low.The control mouthful line SWOUTx (x=1 or 2) that leaves of main frame and slave all is set to low during initialization, SWINx is height, therefore A/Bx is that the supervisor of high (promptly not jumping JP1) can be identified as main frame with oneself, and the supervisor that the JP1 wire jumper is jumped onto is because A/Bx is identified as slave for low with oneself.Slave Communication Control level is set to high level, then Communication Control loop optocoupler ends, not conducting of relay, the transmission pin of serial communication level translator 232 chips of slave is isolated from the outside, and slave can not send information, but can receive normally, thereby realization principal and subordinate machine all can be received information, but have only main frame energy transmission information, slave can not send information, can not cause interference to normal communication.In the time of hostdown, slave can not receive the heartbeat message that main frame sends, after the time-delay judgement, slave is promoted as main frame with self, be set to height with opening into leaving leaving of control loop, make opening of original main frame become low level by high level into SWIN, the Communication Control level is set to low level simultaneously, then Communication Control loop optocoupler conducting, the conducting of Control on Communication relay, the transmission pin and the extraneous conducting of serial communication level translator 232 chips of supervisor are taken over original main frame and are begun sent-received message.If subsequently, main frame originally recovers from fault, it can detect hold into leave control loop to hold into SWIN be low level, be slave and automatically oneself is lowered one's standard or status, turn-off communication and send the loop, enter into the slave listening state, guaranteed that the identity of principal and subordinate's machine is exchanged.
Beneficial effect: the utility model utilization is opened into leaving control loop and Control on Communication loop and is realized that the two-shipper of hardware switches, simple and reliable, cooperate the principal and subordinate's machine that accurately to realize communication processor efficiently to switch with software, can guarantee simultaneously the proper communication of handoff procedure, cost is low, the efficient height has that the loop is simple, reliability is high, characteristics rapidly and accurately.
Description of drawings
Fig. 1 opens into leaving the control loop connection layout for the two-shipper handover module.
Fig. 2 is the Communication Control loop diagram of two-shipper handover module.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done further explanation.
The two-shipper switching device shifter of transformer substation communication supervisor of the present utility model comprises and opening into leaving control loop and Communication Control loop two parts.Opening into leaving control loop by optocoupler integrated chip (adopt TLP521-4) and outer meeting resistance, power supply composition of principal and subordinate's machine left control loop and used 3 optocouplers in the optocoupler integrated chip.Opening into leaving control loop of principal and subordinate's machine all has one one end ground connection, the wire jumper of a termination pull-up resistor.The Communication Control loop comprises the photoelectrical coupler U4 and the relay J D1 of serial communication level translator U3, control level output.
As shown in Figure 1, it is main frame optocoupler integrated chip U1 (TLP521-4) that main frame leaves into leaving the control loop main devices, the light-emitting diode anode of first optocoupler that main frame optocoupler integrated chip U1 comprises, and promptly 7 pin meet positive supply VCC through a pull-up resistor R1; The negative terminal of this light-emitting diode, promptly 8 pin of main frame optocoupler integrated chip U1 meet the IO control pin SWOUT1 of CPU, and the anode of the light-receiving device of first optocoupler is that 10 pin of main frame optocoupler integrated chip U1 are back as positive output pin XOUT1+ through No. five resistance R 5; The negative terminal of the light-receiving device of first optocoupler is that 9 pin of main frame optocoupler integrated chip U1 are negative output pin XOUT1-.
The light-emitting diode negative terminal of second optocoupler that main frame optocoupler integrated chip U1 comprises, 6 pin that are main frame optocoupler integrated chip U1 meet negative supply VSS, this light-emitting diode anode is that 5 pin of main frame optocoupler integrated chip U1 are born input pin XIN1-through No. two resistance R 2 back conducts, and positive input pin XIN1+ directly connects positive supply VDD; The anode of the light-receiving device of second optocoupler is that 12 pin of main frame optocoupler integrated chip U1 meet positive supply VCC, the negative terminal of the light-receiving device of second optocoupler be 11 pin of main frame optocoupler integrated chip U1 through No. six resistance R 6 drop-down ground connection, this 11 pin is output pin SWIN1 simultaneously.
The light-emitting diode anode of the 3rd optocoupler that main frame optocoupler integrated chip U1 comprises, promptly 3 pin of main frame optocoupler integrated chip U1 meet positive supply VDD through No. three resistance R 3; This light-emitting diode negative terminal, promptly 4 pin of main frame optocoupler integrated chip U1 meet positive supply VDD after through No. four resistance R 4, and this pin meets negative supply VSS through a wire jumper JP1 simultaneously; The anode of the light-receiving device of the 3rd optocoupler is that 14 pin of main frame optocoupler integrated chip U1 meet positive supply VCC through No. seven resistance R 7, and this pin is as opening into input pin A/B1 simultaneously; The negative terminal of the light-receiving device of second optocoupler, the i.e. 13 pin ground connection of main frame optocoupler integrated chip U1.
As shown in Figure 1, slave is opened and is opened into the structure of leaving control loop identical into leaving control loop with main frame.It is slave optocoupler integrated chip U2 (TLP521-4) that slave is opened into the main devices of leaving control loop, the light-emitting diode anode of first optocoupler that slave optocoupler integrated chip U2 comprises, and promptly 7 pin meet positive supply VCC through ride on Bus No. 11 pull-up resistor R11; The negative terminal of this light-emitting diode, promptly 8 pin of slave optocoupler integrated chip U2 meet the IO control pin SWOUT2 of CPU, and the anode of the light-receiving device of first optocoupler is that 10 pin of slave optocoupler integrated chip U2 are back as positive output pin XOUT2+ through ten No. five resistance R 15; The negative terminal of the light-receiving device of first optocoupler is that 9 pin of slave optocoupler integrated chip U2 are negative output pin XOUT2-.
The light-emitting diode negative terminal of second optocoupler that slave optocoupler integrated chip U2 comprises, 6 pin that are slave optocoupler integrated chip U2 meet negative supply VSS, and this light-emitting diode anode is that 5 pin of slave optocoupler integrated chip U2 are born input pin XIN2-through ten No. two resistance R 12 back conducts; The anode of the light-receiving device of second optocoupler is that 12 pin of slave optocoupler integrated chip U2 meet positive supply VCC, the negative terminal of the light-receiving device of second optocoupler be 11 pin of slave optocoupler integrated chip U2 through ten No. six resistance R 16 drop-down ground connection, this pin is output pin SWIN2 simultaneously.
The light-emitting diode anode of the 3rd optocoupler that slave optocoupler integrated chip U2 comprises, promptly 3 pin of slave optocoupler integrated chip U2 meet positive supply VDD through ten No. three resistance R 13; This light-emitting diode negative terminal, promptly 4 pin of slave optocoupler integrated chip U2 meet positive supply VDD after through ten No. four resistance R 14, and this pin meets negative supply VSS through No. two wire jumper JP2 simultaneously; The anode of the light-receiving device of the 3rd optocoupler is that 14 pin of slave optocoupler integrated chip U2 meet positive supply VCC through ten No. seven resistance R 17, and this pin is as opening into input pin A/B2 simultaneously; The negative terminal of the light-receiving device of second optocoupler, the i.e. 13 pin ground connection of slave optocoupler integrated chip U2.
Described main frame is opened to open into the positive input pin XIN2+ that leaves control loop with slave into the positive output pin XOUT1+ that leaves control loop and is linked to each other; Main frame leaves to open into the negative input pin XIN2-that leaves control loop with slave into the negative output pin XOUT1-that leaves control loop and links to each other; Main frame leaves to open into the positive output pin XOUT2+ that leaves control loop with slave into the positive input pin XIN1+ that leaves control loop and links to each other; Main frame leaves to open into the negative output pin XOUT2-that leaves control loop with slave into the negative input pin XIN1-that leaves control loop and links to each other.A wire jumper JP1 of main frame connects 1,2 pin by jumper wire device, and 1,2 pin of No. two wire jumper JP2 of slave does not connect.
Among Fig. 1, a wire jumper JP1 wire jumper of main frame is not jumped, then the 3rd of main frame optocoupler integrated chip U1 the not conducting of optocoupler, and opening into input pin A/B1 of main frame drawn resistance because of connecting, and therefore is high.No. two wire jumper JP2 wire jumpers of slave are jumped onto, then the 3rd of slave optocoupler integrated chip U2 the optocoupler conducting, and therefore opening into input pin A/B2 because optocoupler conducting ground connection of slave be low.When the control mouth line SWOUT1 of host CPU is low, first optocoupler conducting of main frame optocoupler integrated chip U1, the then also conducting of slave optocoupler integrated chip U2 of the slave that links to each other with first optocoupler of main frame optocoupler integrated chip U1, then slave to open into SWIN2 be high because meeting VCC.When the control mouth line SWOUT1 of host CPU is high, first optocoupler of main frame optocoupler integrated chip U1 ends, then second optocoupler of the slave optocoupler integrated chip U2 that links to each other with first optocoupler of main frame optocoupler integrated chip U1 also ends, then slave to open into SWIN2 be low because connecing pull down resistor.Slave is opened into the control mouth line SWOUT2 that leaves the loop has similar control logic to opening into SWIN1 of main frame.SWOUT1 during initialization, SWOUT2 is low, then open into SWINx (x is 1 or 2) and be height, therefore be the high discrimination principle of main frame that is according to SWIN and A/B and logical consequence, A/Bx is that the supervisor of high (promptly not jumping JP1) can be identified as main frame with oneself, and the supervisor that the JP1 wire jumper is jumped onto is because A/Bx is identified as slave for low with oneself.In case hostdown, from chance SWOUT2 is output as height, then the optocoupler of slave optocoupler integrated chip U2 ends, then second optocoupler of the main frame optocoupler integrated chip U1 that links to each other with the optocoupler of slave optocoupler integrated chip U2 also ends, then main frame to open into SWIN1 be low because connecing pull down resistor, main frame detects SWIN1 and automatically oneself is switched to slave after low.Thus by split into leave the loop input and output control, realized the mutual switching of principal and subordinate's machine.
As shown in Figure 2, the Control on Communication loop comprises serial communication level translator U3 (adopting MAX232), the transmission pin TIO of serial communication level translator U3 (i.e. 14 pin) links to each other with empty node 4 pin of relay J D1,3 pin of relay J D1 are that PTXD receives on the communication terminal J1 through ten No. nine resistance R 19, and the reception pin PRXD0 (13 pin) of serial communication level translator U3 receives on the communication terminal J1 through two No. ten resistance R 20.The IO pin DUTYDRV of CPU receives the light-emitting diode negative terminal of photoelectrical coupler U4 (MOC8050) through ten No. eight resistance R 18, be 2 pin of photoelectrical coupler U4,1 pin of photoelectrical coupler U4 meets power supply VCC, the light-receiving device negative terminal of photoelectrical coupler U4 i.e. 4 pin ground connection, 5 pin of photoelectrical coupler U4 are received on coil 10 pin of relay J D1, the coil of relay J D1 other one promptly 1 pin receive+the 12V power supply on, simultaneously on 10 pin of relay J D1 and 1 pin also and diode D1 arranged.
In the Communication Control loop of Fig. 2, if supervisor is identified as main frame by opening into leaving control loop with oneself, then Communication Control level DUTYDRV is dragged down, then photoelectrical coupler U4 conducting, relay J D1 coil is charged, relay J D1 node 4 and 3 conductings, serial communication level translator U3, be that the transmission pin TIO of MAX232 and the transmission pin PTXDO of communication terminal J1 are communicated with, the transmission of communication can normally be carried out.Otherwise, if supervisor is identified as slave by opening into leaving control loop with oneself, then Communication Control level DUTYDRV is drawn high, then photoelectrical coupler U4 ends, relay J D1 coil is not charged, relay J D1 node 4 and 3 disconnects, and the transmission pin PTXDO of the transmission pin TIO of serial communication level translator U3 and communication terminal J1 disconnects, thereby slave can not outwards send data.In the Communication Control loop, receive pin PRXDO and not controlled by relay J D1, therefore no matter main frame or slave can both receive data normally.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. the two-shipper switching device shifter of a transformer substation communication supervisor, it is characterized in that: it comprises opens into leaving control loop and Communication Control loop;
Open into leaving control loop and comprise that main frame leaves into leaving control loop and slave and open into leaving control loop, main frame leaves into leaving control loop and realizes opening into access and leaving control of host side, and slave is opened into leaving control loop and realized opening into access and leaving control of slave end;
The conducting or the shutoff in communication hardware loop realized in the Communication Control loop; Open into leaving control loop and slave by main frame and to open into leaving opening of control loop and determine main frame and slave, enable communication or forbid communication according to differentiating the relay that the result drives the Communication Control loop then into, the relation left.
2. the two-shipper switching device shifter of transformer substation communication supervisor according to claim 1, it is characterized in that: described main frame is opened into leaving control loop and is comprised main frame optocoupler integrated chip, 7 pin of main frame optocoupler integrated chip connect positive supply through a pull-up resistor, 8 pin of main frame optocoupler integrated chip connect the control pin of CPU, 10 pin of main frame optocoupler integrated chip through behind No. five resistance as the positive output pin, the positive output pin is opened into the positive input pin of leaving the loop by slave and is connect positive supply, 9 pin of main frame optocoupler integrated chip are the negative output pin, and the negative output pin is opened into the negative input pin of leaving the loop with slave and is connected; 6 pin of main frame optocoupler integrated chip connect negative supply, 5 pin of main frame optocoupler integrated chip through behind No. two resistance as negative input pin, the positive input pin of optocoupler integrated chip connects positive supply; 12 pin of main frame optocoupler integrated chip connect positive supply, and 11 pin of main frame optocoupler integrated chip are through No. six drop-down ground connection of resistance, and 11 pin are output pin simultaneously; 3 pin of main frame optocoupler integrated chip connect positive supply through No. three resistance, 4 pin of main frame optocoupler integrated chip connect positive supply after through No. four resistance, 4 pin connect negative supply through a wire jumper simultaneously, 14 pin of main frame optocoupler integrated chip connect positive supply through No. seven resistance, 14 pin are as opening into input pin 13 pin ground connection of main frame optocoupler integrated chip simultaneously.
3. the two-shipper switching device shifter of transformer substation communication supervisor according to claim 1, it is characterized in that: described slave is opened into leaving control loop and is comprised slave optocoupler integrated chip, 7 pin of slave optocoupler integrated chip connect positive supply through the ride on Bus No. 11 pull-up resistor, and 8 pin of slave optocoupler integrated chip connect the control pin of CPU; 10 pin of slave optocoupler integrated chip through behind ten No. five resistance as the positive output pin, the positive input pin of the positive output pin of slave optocoupler integrated chip and main frame optocoupler integrated chip joins; 9 pin of slave optocoupler integrated chip are the negative output pin; 6 pin of slave optocoupler integrated chip connect negative supply, 5 pin of slave optocoupler integrated chip through behind ten No. two resistance as negative input pin, 12 pin of slave optocoupler integrated chip connect positive supply, and 11 pin of slave optocoupler integrated chip are through ten No. six drop-down ground connection of resistance, and 11 pin are output pin simultaneously; 3 pin of slave optocoupler integrated chip connect positive supply through ten No. three resistance, 4 pin of slave optocoupler integrated chip connect positive supply after through ten No. four resistance, 4 pin connect negative supply through No. two wire jumpers simultaneously, 14 pin of slave optocoupler integrated chip connect positive supply through ten No. seven resistance, 14 pin are as opening into input pin 13 pin ground connection of slave optocoupler integrated chip simultaneously.
4. the two-shipper switching device shifter of transformer substation communication supervisor according to claim 1, it is characterized in that: described Communication Control loop comprises the serial communication level translator, 14 pin of serial communication level translator link to each other with 4 pin of relay, and 3 pin of relay are received on the communication terminal through ten No. nine resistance; 13 pin of serial communication level translator are received on the communication terminal through two No. ten resistance; The I0 pin of CPU is received photoelectrical coupler 2 pin through ten No. eight resistance, 1 pin of photoelectrical coupler connects power supply, 4 pin ground connection of photoelectrical coupler, 5 pin of photoelectrical coupler are received on 10 pin of relay, 1 pin of relay is received on the positive supply, simultaneously on 10 pin of relay and 1 pin also and diode arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205546546U CN201830278U (en) | 2010-09-29 | 2010-09-29 | Dual-machine switching device of transformer substation communication management unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205546546U CN201830278U (en) | 2010-09-29 | 2010-09-29 | Dual-machine switching device of transformer substation communication management unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201830278U true CN201830278U (en) | 2011-05-11 |
Family
ID=43968791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205546546U Expired - Lifetime CN201830278U (en) | 2010-09-29 | 2010-09-29 | Dual-machine switching device of transformer substation communication management unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201830278U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065428A (en) * | 2012-12-13 | 2013-04-24 | 辽宁省电力有限公司锦州供电公司 | Alarming method of converting station monitoring system |
| CN104751544A (en) * | 2015-02-10 | 2015-07-01 | 国家电网公司 | Intelligent lock control system and management method thereof |
| CN106294236A (en) * | 2016-08-25 | 2017-01-04 | 广东迪奥技术有限公司 | A kind of communication means based on RS485, device and communication system |
-
2010
- 2010-09-29 CN CN2010205546546U patent/CN201830278U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065428A (en) * | 2012-12-13 | 2013-04-24 | 辽宁省电力有限公司锦州供电公司 | Alarming method of converting station monitoring system |
| CN104751544A (en) * | 2015-02-10 | 2015-07-01 | 国家电网公司 | Intelligent lock control system and management method thereof |
| CN106294236A (en) * | 2016-08-25 | 2017-01-04 | 广东迪奥技术有限公司 | A kind of communication means based on RS485, device and communication system |
| CN106294236B (en) * | 2016-08-25 | 2018-12-04 | 广东迪奥技术有限公司 | A kind of communication means based on RS485, device and communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206433003U (en) | Ethernet link switching device | |
| CN204190488U (en) | A kind of intelligent substation pressing plate monitoring system | |
| CN201830278U (en) | Dual-machine switching device of transformer substation communication management unit | |
| CN103220040A (en) | Method and system for switching state of embedded optical port BYPASS | |
| CN107785998A (en) | The monitoring method of power distribution automation equipment in a kind of distribution system | |
| CN202617154U (en) | Train communication system | |
| CN201805421U (en) | Communication device between direct current (DC) protection systems and DC control systems | |
| CN205610343U (en) | Embedding integrated form distribution automation terminal | |
| CN102324126A (en) | Access controller and annular door access control system | |
| CN202759437U (en) | Interface circuit for dual-interface smart card | |
| CN201425723Y (en) | Switch of dual hard disk power lines | |
| CN204156601U (en) | A kind of intelligent distribution network distribution terminal | |
| CN203876779U (en) | 64D block machine based on DTMF communication | |
| CN109547010A (en) | Passive isolated form RS232 serial communication circuit | |
| CN206003089U (en) | A kind of idle call multifunctional signal switching device | |
| CN212473483U (en) | Input/output device, manual unlocking disc and interval monitoring system | |
| CN107818675A (en) | Power information acquisition system and the micro- work(radio communication devices of NB IOT | |
| CN202949446U (en) | High-reliability highly-real-time ring network topology structure suitable for remote-control system | |
| CN202935897U (en) | Sudden-stop lock switch position recognition device of belt conveyor | |
| CN108649531B (en) | A kind of double loop acquisition tripping interface arrangement | |
| CN207382350U (en) | The one-way communication system and board of nuclear power station security level system and non-security grade system | |
| CN206671823U (en) | A kind of novel CAN interface communication supervisor | |
| CN201839304U (en) | Access system for third-party control devices of nuclear power station | |
| CN216014243U (en) | Dual-core peripheral digital interface switching system | |
| CN202495756U (en) | Dual CAN power supply system comprehensive protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU DAYBRIGHT ELECTRIC CO., LTD. Free format text: FORMER OWNER: NANJING ANEN ELECTRIC CONTROL EQUIPMENT CO., LTD. Effective date: 20131120 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131120 Address after: 211102, 1286, Ting Ting Dong Road, Jiangning District, Jiangsu, Nanjing Patentee after: Jiangsu Daybright Electric Co., Ltd. Address before: 211102, 2, Ting Ting West Road, Jiangning Development Zone, Jiangsu, Nanjing Patentee before: Nanjing Anneng Electric Control Equipment Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU DAYBRIGHT INTELLIGENT ELECTRICAL CO., LTD. Free format text: FORMER NAME: JIANGSU DAYBRIGHT ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 211102, 1286 Ting Ting Dong Road, Jiangning Development Zone, Jiangsu, Nanjing Patentee after: JIANGSU DAYBRIGHT ELECTRIC CO., LTD. Address before: 211102, 1286, Ting Ting Dong Road, Jiangning District, Jiangsu, Nanjing Patentee before: Jiangsu Daybright Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |