CN202586968U - Anti-interference transmission system of remote control signals of power grid - Google Patents
Anti-interference transmission system of remote control signals of power grid Download PDFInfo
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- CN202586968U CN202586968U CN 201220120896 CN201220120896U CN202586968U CN 202586968 U CN202586968 U CN 202586968U CN 201220120896 CN201220120896 CN 201220120896 CN 201220120896 U CN201220120896 U CN 201220120896U CN 202586968 U CN202586968 U CN 202586968U
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Abstract
The utility model provides an anti-interference transmission system of remote control signals of a power grid, wherein the anti-interference transmission system comprises a CAN (Controller Area Network) bus by adopting an optical fibre as a communication medium; the CAN bus is connected with a first CAN transceiver and at least one second CAN transceiver in parallel; the first CAN transceiver is connected with a first photoelectric coupler; the first photoelectric coupler is connected with a controller; each second CAN transceiver is connected with a second photoelectric coupler; and each second photoelectric coupler is connected to an electric mechanism. According to the utility model, the transmission anti-interference performance of the remote control signals of the power grid is increased, so that the operation stability of the power grid system is increased.
Description
Technical field
The utility model relates to the power network signal transmission technology, particularly relates to a kind of anti-interference transmission system of electrical network Remote signal.
Background technology
Tele-control system based on electrical network generally includes: telemechanical remote control, cable and motor drive mechanism.The telemechanical remote control is used to carry out Long-distance Control, sends Remote signal etc.; Cable is used for transmission as Remote signals such as combined floodgate or separating brake; Motor mechanism box is used to receive the control signal of cable transmission and carries out corresponding operating, as according to said control signal motor drive mechanisms such as high-voltage switch gear being closed a floodgate or operation such as separating brake.
In some network system, as the railway electrical network particularly the high-speed railway electrical network adopt cable transmission Remote signal, receive the interference of factors such as external electromagnetic field, harsh weather easily.Disturbed the Remote signal possibly cause the malfunction of motor drive mechanism, as caused the combined floodgate or the separating brake of high-voltage switch gear mistake, made that the train mistake starts or stops etc., cause potential safety hazard thus, even cause serious traffic accident.
In order to improve the antijamming capability of the above-mentioned Remote signal of cable transmission, prior art is in the periphery of cable one screen to be set, and reduces the interference to the Remote signal of cable transmission through screen.But it is limited that existing periphery is provided with the antijamming capability of cable of screen, can't be applied in the strong interference environments such as high pressure; In addition, dissimilar signal demands is laid different cables and is transmitted, and also exists signal to disturb between the different cables, and then has reduced the stability of network system.
The utility model content
The utility model provides a kind of anti-interference transmission system of electrical network Remote signal, is used to improve the anti-interference of electrical network Remote signal transmission, and then improves the stability of network system operation.
The utility model provides a kind of anti-interference transmission system of electrical network Remote signal, comprising:
Adopt the CAN bus of optical fiber as communication media; Said CAN bus parallel connection has one the one CAN transceiver and at least one the 2nd CAN transceiver; A said CAN transceiver is connected with first photoelectrical coupler, and said first photoelectrical coupler is connected with controller; Each said the 2nd CAN transceiver connects one second photoelectrical coupler, and each said second photoelectrical coupler connects a motor drive mechanism;
A said CAN transceiver is used for and said CAN bus exchanging data; The photoelectricity that said first photoelectrical coupler is used to carry out between a said CAN transceiver and the said controller is isolated; Said controller is used to obtain the data that a said CAN transceiver receives; And generate the Remote signal that is used to control said motor drive mechanism, said Remote signal is transferred to said CAN bus through said first photoelectrical coupler and a said CAN transceiver successively;
Said the 2nd CAN transceiver is used for and said CAN bus exchanging data, from the data of receiving through said CAN bus interface, confirms said Remote signal, and said Remote signal is sent to said second photoelectrical coupler; Said second photoelectrical coupler is used for isolating carrying out photoelectricity between said the 2nd CAN transceiver and the said controller; Said motor drive mechanism is used for receiving the said Remote signal that said the 2nd CAN transceiver is transmitted through said second photoelectrical coupler, carries out corresponding operating according to said Remote signal.
Optional, said electric power mechanism comprises: temperature sensor, high voltage isolator, iron core and coil; Said high voltage isolator comprises: a trigger installation and a contact apparatus that an outlet seat, pair of parallel are provided with; Said outlet seat is connected with each said trigger installation with said second photoelectrical coupler respectively, and said contact apparatus is arranged between a pair of said trigger installation; Said outlet seat is used for signal through the input of said second photoelectrical coupler when being said Remote signal, between a pair of said trigger installation, forms or eliminates preset pressure drop, so that said trigger installation and said contact apparatus electrically contact or break off and electrically contacting; Said iron core sleeve is located at the periphery of said a pair of said trigger installation, does not contact with each said trigger installation; Be arranged with said coil on the said iron core; The leading-out terminal of said coil is connected with the power input of said temperature sensor; Said temperature sensor is used to detect the temperature of said trigger installation or contact apparatus, and data that will be relevant with detected temperatures send to said CAN bus through said second photoelectrical coupler and said the 2nd CAN transceiver.
Optional, each said trigger installation comprises: fingertip conductive arm and fingertip; One end of said fingertip conductive arm is connected with said outlet seat, and the other end is connected with said fingertip; The said fingertip of two said trigger installations, lay respectively between the said fingertip conductive arm of two said trigger installations and the position relative.Said contact apparatus is arranged between the said fingertip of two said trigger installations.
Optional, each said fingertip is a U type fingertip; The said dorsad outlet seat of the opening part of said U type fingertip; In two arms that said U type fingertip comprises, an arm and said fingertip conductive arm are affixed, and another arm is a free arm.Said contact apparatus is arranged between the free arm of two said U type fingertips.
Optional, the anti-interference transmission system of said electrical network Remote signal also comprises: the alarm that is used for output alarm signal; Said alarm is connected with said controller; Said controller also is used for obtaining the data relevant with said detected temperatures that a said CAN transceiver receives through said first photoelectrical coupler; When definite said detected temperatures exceeds preset reasonable temperature scope, then trigger said alarm output alarm signal; Said alarm signal is used to point out the working temperature of said high voltage isolator to exceed standard.
Optional, a said CAN transceiver comprises: first transceiver and first protocol converter; Said first transceiver is connected with said CAN bus, said first protocol converter and said first photoelectrical coupler respectively; Said first transceiver is used to receive first of said CAN bus or the transmission of said first photoelectrical coupler and treats swap data; Treat that with said first swap data sends to said first protocol converter, and after protocol conversion, said first treat that swap data sends to said first photoelectrical coupler or said CAN bus what said first protocol converter returned; Said first protocol converter is used for treating that to said first but swap data carries out the conversion process between CAN agreement and the said controller identification protocol; Said first treats that swap data comprises: said Remote signal and/or the data relevant with said detected temperatures.
Optional, said the 2nd CAN transceiver comprises: second transceiver and second protocol converter; Said second transceiver is connected with said CAN bus, said second protocol converter and said second photoelectrical coupler respectively; Said second transceiver is used to receive second of said CAN bus or the transmission of said second photoelectrical coupler and treats swap data; Treat that with said second swap data sends to said second protocol converter, and after protocol conversion, said second treat that swap data sends to said second photoelectrical coupler or said CAN bus what said second protocol converter returned; Said second protocol converter is used for treating that to said second but swap data carries out the conversion process between CAN agreement and the said electric structure identification protocol; Said second treats that swap data comprises: said Remote signal and/or the data relevant with said detected temperatures.
Optional, said the 2nd CAN transceiver also comprises: filter; Said filter is connected between said CAN bus and said second transceiver; Be used for to comprise through the data that said CAN bus receives the Remote signal of sign of sign and the said motor drive mechanism of a said CAN transceiver; Send to said second transceiver, and abandon other data except that Remote signal described in the data that receive through said CAN bus.
The anti-interference transmission system of the electrical network Remote signal that the utility model provides; Employing makes up the transmission system of distributed power grid Remote signal as the CAN bus of transmission medium with optical fiber; Data transmission bauds and anti-interference have been improved; Reduce the propagation delay time that traditional electrical network Remote signal causes through cable transmission; Independently lay under the situation of signal-transmitting cable need not to each independent motor drive mechanism, also can realize the quick response of the centralized control of each motor drive mechanism in the network system and motor drive mechanism to the Remote signal; In addition; Present embodiment is provided with photoelectrical coupler and carries out the photoelectricity isolation between CAN transceiver and controller or motor drive mechanism; Further improved the anti-interference of electrical network Remote signal transmission; Reduce motor drive mechanism because of disturbing the probability of errored response, improved the stability of network system operation thus.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the anti-interference transmission system of the electrical network Remote signal that Fig. 1 provides for the utility model embodiment one;
The structural representation of the CAN transceiver that Fig. 2 provides for the utility model embodiment two;
The structural representation of the 2nd CAN transceiver that Fig. 3 provides for the utility model embodiment three;
The structural representation of the 2nd CAN transceiver that Fig. 4 provides for the utility model embodiment four;
The structural representation of the motor drive mechanism that Fig. 5 provides for the utility model embodiment five;
The structural representation of the anti-interference transmission system of the electrical network Remote signal that Fig. 6 provides for the utility model embodiment six.
Reference numeral:
The 1-CAN bus; 2-the one CAN transceiver; 3-first photoelectrical coupler;
The 4-controller; 5-the 2nd CAN transceiver; 6-second photoelectrical coupler;
The 7-motor drive mechanism; 22-first protocol converter; 21-first transceiver;
51-second transceiver; 52-second protocol converter; The 53-filter;
The 71-temperature sensor; The 73-iron core; The 74-coil;
721-fingertip conductive arm; The 722-fingertip; The 723-contact apparatus;
The 724-trigger installation; 725-outlet seat; The 8-alarm;
The bottom of 7221-U type fingertip; The free arm of 7222-U type fingertip.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not paying the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The sequence number of the utility model following examples is not represented the quality of embodiment just to description.
The structural representation of the anti-interference transmission system of the electrical network Remote signal that Fig. 1 provides for the utility model embodiment one.The anti-interference transmission system of electrical network Remote signal as shown in Figure 1 comprises: adopt CAN (Controller Area Network, the control area net network) bus 1 of optical fiber as communication media; CAN bus 1 is parallel with one the one CAN transceiver 2 and at least one the 2nd CAN transceiver 2; The one CAN transceiver 2 is connected with first photoelectrical coupler 3, and first photoelectrical coupler 3 is connected with controller 4; Each the 2nd CAN transceiver 5 connects one second photoelectrical coupler 6, and each second photoelectrical coupler 6 connects a motor drive mechanism 7.
Wherein, a CAN transceiver 2 is used for and CAN bus 1 swap data.The photoelectricity that first photoelectrical coupler 3 is used to carry out between a CAN transceiver 2 and the controller 4 is isolated.Controller 4 is used to obtain the data that a CAN transceiver 2 receives, and generates the Remote signal that is used to control motor drive mechanism 7, and the Remote signal is transferred to CAN bus 1 through first photoelectrical coupler 3 and a CAN transceiver 2 successively.
The 2nd CAN transceiver 5 is used for and CAN bus 1 swap data, from the data that receive through CAN bus 1, confirms said Remote signal, and said Remote signal is sent to second photoelectrical coupler 6.Second photoelectrical coupler 6 is used for isolating carrying out photoelectricity between the 2nd CAN transceiver 5 and the controller 4.Motor drive mechanism 7 is used for receiving the said Remote signal that said the 2nd CAN transceiver 5 is transmitted through second photoelectrical coupler 6, carries out corresponding operating according to said Remote signal.
Present embodiment adopts the transmission system that makes up distributed power grid Remote signal with optical fiber as the CAN bus of transmission medium; Data transmission bauds and anti-interference have been improved; Reduce the propagation delay time that traditional electrical network Remote signal causes through cable transmission; Independently lay under the situation of signal-transmitting cable need not to each independent motor drive mechanism, also can realize the quick response of the centralized control of each motor drive mechanism in the network system and motor drive mechanism to the Remote signal; In addition; Present embodiment is provided with photoelectrical coupler and carries out the photoelectricity isolation between CAN transceiver and controller or motor drive mechanism; Further improved the anti-interference of electrical network Remote signal transmission; Reduce motor drive mechanism because of disturbing the probability of errored response, improved the stability of network system operation thus.
The structural representation of the CAN transceiver that Fig. 2 provides for the utility model embodiment two.As shown in Figure 2, a CAN transceiver 2 comprises: first transceiver 21 and first protocol converter 22; First transceiver 21 is connected with CAN bus 1, first protocol converter 22 and first photoelectrical coupler 3 respectively.
Wherein, First transceiver 21 is used to receive first of CAN bus 1 or 3 transmissions of first photoelectrical coupler and treats swap data; Treat that with said first swap data sends to first protocol converter 22, and after protocol conversion, said first treat that swap data sends to first photoelectrical coupler 3 or CAN bus 1 what first protocol converter 22 returned.First protocol converter 22 is used for treating that to said first but swap data carries out the conversion process between CAN agreement and controller 4 identification protocols.
When first transceiver 21 receive send on the CAN bus first when treating swap data, this first is treated that swap data sends to first protocol converter 22; This first treats that but swap data carries out the conversion of CAN agreement to controller 4 identification protocols 22 pairs of first protocol converters; And will be after protocol conversion first treat that swap data sends to first transceiver 21, send to controller 4 by first transceiver 21 through first photoelectrical coupler 3.
When first transceiver 21 receive that first photoelectrical coupler 3 sends first when treating swap data, this first is treated that swap data sends to first protocol converter 22; This first treats that but swap data carries out the conversion of controller 4 identification protocols to the CAN agreement 22 pairs of first protocol converters, and will be after protocol conversion first treat that swap data sends to first transceiver 21, is transferred on the CAN bus 1 by first transceiver 21.
Above-mentioned first treats that swap data can comprise said Remote signal, and/or the related data required to each motor drive mechanism Remote is as to the relevant data of the detected temperatures of motor drive mechanism etc.
The CAN transceiver that present embodiment provides has the agreement auto-conversion function, has improved the compatibility of the anti-interference transmission system of electrical network Remote signal to former communication interfaces of parts such as controllers, has reduced the cost of distributed system upgrading.
The structural representation of the 2nd CAN transceiver that Fig. 3 provides for the utility model embodiment three.As shown in Figure 3, the 2nd CAN transceiver 5 comprises: second transceiver 51 and second protocol converter 52; Second transceiver 51 is connected with CAN bus 1, second protocol converter 52 and second photoelectrical coupler 6 respectively.
Wherein, Second transceiver 51 is used to receive second of CAN bus 1 or 6 transmissions of second photoelectrical coupler and treats swap data; Treat that with said second swap data sends to second protocol converter 6, and after protocol conversion, said second treat that swap data sends to second photoelectrical coupler 6 or CAN bus 1 what second protocol converter 6 returned.Second protocol converter 52 is used for treating that to said second but swap data carries out the conversion process between CAN agreement and said electric structure 7 identification protocols.
When second transceiver 51 receive on the CAN bus 1 send second when treating swap data, this second is treated that swap data sends to second protocol converter 52; This second treats that but swap data carries out the conversion of CAN agreement to motor drive mechanism 7 identification protocols 52 pairs of second protocol converters; And will be after protocol conversion second treat that swap data sends to second transceiver 51, send to motor drive mechanism 7 by second transceiver 51 through second photoelectrical coupler 6.
When second transceiver 51 receive that second photoelectrical coupler 6 sends second when treating swap data, this second is treated that swap data sends to second protocol converter 52; This second treats that but swap data carries out the conversion of motor drive mechanism 7 identification protocols to the CAN agreement 52 pairs of second protocol converters, and will be after protocol conversion second treat that swap data sends to second transceiver 51, is transferred on the CAN bus 1 by second transceiver 51.
Above-mentioned second treats that swap data can comprise said Remote signal, and/or the related data required to each motor drive mechanism Remote is as to the relevant data of the detected temperatures of motor drive mechanism etc.
The 2nd CAN transceiver that present embodiment provides has the agreement auto-conversion function, has improved the compatibility of the anti-interference transmission system of electrical network Remote signal to former communication interfaces of parts such as motor drive mechanisms, has reduced the cost of distributed system upgrading.
The structural representation of the 2nd CAN transceiver that Fig. 4 provides for the utility model embodiment four.The 2nd CAN transceiver 5 that present embodiment provides is on the basis of structure shown in Figure 3, further comprises filter 53.
That is to say; In the anti-interference transmission system of electrical network Remote signal; The data of transmitting on the CAN bus are a lot, and filter carries out filtration treatment to the data of transmitting on the CAN bus, and the Remote filtering signals that is used to control the motor drive mechanism related with it in the data is come out; And send it to second transceiver, send to the motor drive mechanism that is connected with second photoelectrical coupler by second transceiver through connected second photoelectrical coupler; Filter can be tackled other signals except above-mentioned Remote signal, and these signals of discardable interception.
Present embodiment is on the basis of realizing embodiment three technical schemes; Because the 2nd CAN transceiver that the controlled part of network system such as motor drive mechanism connect; Only response comes the Remote signal of self-controller; Reduce the probability of motor drive mechanism malfunction, improved the accuracy and the anti-interference of Long-distance Control thus.
The structural representation of the motor drive mechanism that Fig. 5 provides for the utility model embodiment five.Motor drive mechanism as shown in Figure 5 comprises: temperature sensor 71, high voltage isolator, iron core 73 and coil 74.
High voltage isolator comprises: a trigger installation 724 and a contact apparatus 723 that an outlet seat 725, pair of parallel are provided with.Outlet seat 725 is connected with each trigger installation 724 with second photoelectrical coupler 6 respectively.Contact apparatus 723 is arranged between a pair of trigger installation 724.Outlet seat 725 is used for when the signal of second photoelectrical coupler 6 input is the Remote signal, between a pair of trigger installation 724, forms or eliminates preset pressure drop, so that trigger installation 724 electrically contacts with contact apparatus 723 or breaks off and electrically contacting.
Optional, each trigger installation 724 comprises: fingertip conductive arm 721 and fingertip 722.One end of fingertip conductive arm 721 is connected with outlet seat 725, and the other end is connected with fingertip 722.The fingertip 722 of two trigger installations 724, lay respectively between the fingertip conductive arm 721 of two trigger installations 724 and the position relative.Contact apparatus 723 is arranged between the fingertip 722 of two trigger installations 724.
Optional, each fingertip 722 is a U type fingertip.The opening part of U type fingertip is outlet seat 725 dorsad, and the opening part of bottom 7221 relative U type fingertips that also is U type fingertip is more near outlet seat 725.In two arms that U type fingertip 722 comprises, arm and fingertip conductive arm 721 are affixed, and another arm is the free arm 7222 of U type fingertip.Contact apparatus 723 is arranged between the free arm 7222 of two U type fingertips.
Present embodiment can carry out monitoring temperature to high voltage isolator, need not to lay in addition cable, can be through monitor datas such as CAN bus transfer detected temperatures, and helping controller carries out unified monitoring to each parts of train; In addition, the input power supply of temperature sensor is provided by the power supply of inducting of high voltage isolator, helps realizing the clamping down on of temperature sensor input voltage avoided crossing the damage that high factor causes temperature sensor because of input voltage.
The structural representation of the anti-interference transmission system of the electrical network Remote signal that Fig. 6 provides for the utility model embodiment six.Be that with the difference of the anti-interference transmission system of electrical network Remote signal shown in Figure 1 the anti-interference transmission system of the electrical network Remote signal that present embodiment provides also can comprise the alarm 8 that is used for output alarm signal.Alarm 8 is connected with controller 4.Controller 4 also can be used for obtaining the relevant data of a CAN transceiver 2 detected temperatures that receive and said through first photoelectrical coupler 3, when definite said detected temperatures exceeds preset reasonable temperature scope, then triggers alarm 8 output alarm signals; Said alarm signal is used to point out the working temperature of said high voltage isolator to exceed standard.
Present embodiment can in time be reported to the police when particularly the high voltage isolator working temperature exceeds standard at motor drive mechanism, so that attendant's discovery in time and processing have reduced potential safety hazard thus, has improved fail safe, helps the whole safe operation of network system.
Each device shown in above-mentioned Fig. 2-5 all can be applicable in Fig. 1 or the system shown in Figure 6.In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that details among certain embodiment, can be referring to the associated description of other embodiment.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (10)
1. the anti-interference transmission system of an electrical network Remote signal is characterized in that, comprising:
Adopt the CAN bus of optical fiber as communication media; Said CAN bus parallel connection has one the one CAN transceiver and at least one the 2nd CAN transceiver; A said CAN transceiver is connected with first photoelectrical coupler, and said first photoelectrical coupler is connected with controller; Each said the 2nd CAN transceiver connects one second photoelectrical coupler, and each said second photoelectrical coupler connects a motor drive mechanism;
A said CAN transceiver is used for and said CAN bus exchanging data; The photoelectricity that said first photoelectrical coupler is used to carry out between a said CAN transceiver and the said controller is isolated; Said controller is used to obtain the data that a said CAN transceiver receives; And generate the Remote signal that is used to control said motor drive mechanism, said Remote signal is transferred to said CAN bus through said first photoelectrical coupler and a said CAN transceiver successively;
Said the 2nd CAN transceiver is used for and said CAN bus exchanging data, from the data of receiving through said CAN bus interface, confirms said Remote signal, and said Remote signal is sent to said second photoelectrical coupler; Said second photoelectrical coupler is used for isolating carrying out photoelectricity between said the 2nd CAN transceiver and the said controller; Said motor drive mechanism is used for receiving the said Remote signal that said the 2nd CAN transceiver is transmitted through said second photoelectrical coupler, carries out corresponding operating according to said Remote signal.
2. the anti-interference transmission system of electrical network Remote signal according to claim 1 is characterized in that,
Said electric power mechanism comprises: temperature sensor, high voltage isolator, iron core and coil;
Said high voltage isolator comprises: a trigger installation and a contact apparatus that an outlet seat, pair of parallel are provided with; Said outlet seat is connected with each said trigger installation with said second photoelectrical coupler respectively, and said contact apparatus is arranged between a pair of said trigger installation; Said outlet seat is used for signal through the input of said second photoelectrical coupler when being said Remote signal, between a pair of said trigger installation, forms or eliminates preset pressure drop, so that said trigger installation and said contact apparatus electrically contact or break off and electrically contacting;
Said iron core sleeve is located at the periphery of said a pair of said trigger installation, does not contact with each said trigger installation; Be arranged with said coil on the said iron core; The leading-out terminal of said coil is connected with the power input of said temperature sensor; Said temperature sensor is used to detect the temperature of said trigger installation or contact apparatus, and data that will be relevant with detected temperatures send to said CAN bus through said second photoelectrical coupler and said the 2nd CAN transceiver.
3. the anti-interference transmission system of electrical network Remote signal according to claim 2 is characterized in that,
Each said trigger installation comprises: fingertip conductive arm and fingertip; One end of said fingertip conductive arm is connected with said outlet seat, and the other end is connected with said fingertip;
The said fingertip of two said trigger installations, lay respectively between the said fingertip conductive arm of two said trigger installations and the position relative.
4. the anti-interference transmission system of electrical network Remote signal according to claim 3 is characterized in that, said contact apparatus is arranged between the said fingertip of two said trigger installations.
5. the anti-interference transmission system of electrical network Remote signal according to claim 3 is characterized in that, each said fingertip is a U type fingertip; The said dorsad outlet seat of the opening part of said U type fingertip; In two arms that said U type fingertip comprises, an arm and said fingertip conductive arm are affixed, and another arm is a free arm.
6. the anti-interference transmission system of electrical network Remote signal according to claim 5 is characterized in that, said contact apparatus is arranged between the free arm of two said U type fingertips.
7. the anti-interference transmission system of electrical network Remote signal according to claim 2 is characterized in that, also comprises: the alarm that is used for output alarm signal; Said alarm is connected with said controller; Said controller also is used for obtaining the data relevant with said detected temperatures that a said CAN transceiver receives through said first photoelectrical coupler; When definite said detected temperatures exceeds preset reasonable temperature scope, then trigger said alarm output alarm signal; Said alarm signal is used to point out the working temperature of said high voltage isolator to exceed standard.
8. according to the anti-interference transmission system of the arbitrary described electrical network Remote signal of claim 1-7, it is characterized in that,
A said CAN transceiver comprises: first transceiver and first protocol converter; Said first transceiver is connected with said CAN bus, said first protocol converter and said first photoelectrical coupler respectively;
Said first transceiver is used to receive first of said CAN bus or the transmission of said first photoelectrical coupler and treats swap data; Treat that with said first swap data sends to said first protocol converter, and after protocol conversion, said first treat that swap data sends to said first photoelectrical coupler or said CAN bus what said first protocol converter returned; Said first protocol converter is used for treating that to said first but swap data carries out the conversion process between CAN agreement and the said controller identification protocol; Said first treats that swap data comprises: said Remote signal and/or the data relevant with said detected temperatures.
9. according to the anti-interference transmission system of the arbitrary described electrical network Remote signal of claim 1-7, it is characterized in that,
Said the 2nd CAN transceiver comprises: second transceiver and second protocol converter; Said second transceiver is connected with said CAN bus, said second protocol converter and said second photoelectrical coupler respectively;
Said second transceiver is used to receive second of said CAN bus or the transmission of said second photoelectrical coupler and treats swap data; Treat that with said second swap data sends to said second protocol converter, and after protocol conversion, said second treat that swap data sends to said second photoelectrical coupler or said CAN bus what said second protocol converter returned; Said second protocol converter is used for treating that to said second but swap data carries out the conversion process between CAN agreement and the said electric structure identification protocol; Said second treats that swap data comprises: said Remote signal and/or the data relevant with said detected temperatures.
10. the anti-interference transmission system of electrical network Remote signal according to claim 9 is characterized in that, said the 2nd CAN transceiver also comprises: filter; Said filter is connected between said CAN bus and said second transceiver; Be used for to comprise through the data that said CAN bus receives the Remote signal of sign of sign and the said motor drive mechanism of a said CAN transceiver; Send to said second transceiver, and abandon other data except that Remote signal described in the data that receive through said CAN bus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220120896 CN202586968U (en) | 2012-03-27 | 2012-03-27 | Anti-interference transmission system of remote control signals of power grid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220120896 CN202586968U (en) | 2012-03-27 | 2012-03-27 | Anti-interference transmission system of remote control signals of power grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368649A (en) * | 2012-03-27 | 2013-10-23 | 北京华美煜力电力技术有限公司 | Anti-interference transmission system for remote control signals of power grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368649A (en) * | 2012-03-27 | 2013-10-23 | 北京华美煜力电力技术有限公司 | Anti-interference transmission system for remote control signals of power grid |
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