CN204586528U - Integral and intelligent current colector - Google Patents
Integral and intelligent current colector Download PDFInfo
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- CN204586528U CN204586528U CN201520108535.0U CN201520108535U CN204586528U CN 204586528 U CN204586528 U CN 204586528U CN 201520108535 U CN201520108535 U CN 201520108535U CN 204586528 U CN204586528 U CN 204586528U
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- circuit
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- integral
- current colector
- inverter circuit
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Abstract
The utility model discloses a kind of integral and intelligent current colector, relate to vehicle powering system technical field, comprise power transfer module, high-voltage safety isolation module and trolley pole gas, electric control module, they are integrated in overall control box, described control box and trolley pole assembly be unified to be fixed on the base that is connected with roof, realize the assembly module of slip ring system, there is the feature of high integration; In using, high-tension current, after power transfer module, forms adjustable burning voltage, and high-voltage safety isolation module can form effective protection to circuit.
Description
Technical field
The utility model relates to vehicle powering system technical field, particularly relates to a kind of current colector electric power system, comprises power transfer module, high-voltage safety isolation module and intelligent trolley pole module.
Background technology
Along with the develop rapidly of China's traffic technique, for the trip of the public provides a great convenience, such as automobile, electric car, train etc., play important effect in the production and life of people.
As everyone knows, electronlmobil or train need to rely on external power supply to provide power, usually at the top of vehicle, trolley pole is installed, trolley pole is overlapped on external high pressure electrical network, high-tension current is introduced vehicle powering system, such as patent publication No. CN 104130796 A discloses a kind of trackless trolley car and isolated electric power system thereof, by isolated DC/DC, direct current (DC) is introduced the direct current (DC) that voltage transformer forms demand, its weak point is: easily occur the frequency beyond required frequency in (1) electric power system, cannot obtain stable power supply signal; (2) when there is counter-current in electric power system, lacking protection, whole electric power system can be caused to interrupt, even likely cause accident; (3) electrical network is positioned at above roof, general current collection electric power system, its trolley pole and DC/DC dispersed placement, and integrated level is poor, installs difficulty; When introducing high-tension current, needing to connect more power electric cable and control signal wire, adding the risk that electric leakage and control signal are made mistakes, reducing safety.
Therefore, how the isolation of actv. high-voltage safety is carried out to electric power system, simultaneously under the prerequisite reaching high integration, it can also be made to obtain the stable power supply signal of required frequency, become the utility model technical issues that need to address.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides integral and intelligent current colector, high-tension current is after chopper circuit, inverter circuit and rectifying circuit, form adjustable burning voltage, simultaneously, high pressure magnetic isolation can form effective protection to circuit, and the more important thing is, the current colector that the utility model provides has the feature of high integration.
The technical solution of the utility model is as follows:
Integral and intelligent current colector, comprise: power transfer module, high-voltage safety isolation module and trolley pole gas, electric control module, they are integrated in overall control box, and described control box and trolley pole assembly be unified to be fixed on the base that is connected with roof, realizes the assembly module of slip ring system.
As preferably, described power transfer module includes the chopper circuit be integrated in one, the inverter circuit of more than at least one group, and the rectifying circuit matched with described inverter circuit, is integratedly arranged in control box, is connected with electrical network by described intelligent trolley pole; Wherein, described inverter circuit comprises the first filter and DC/AC conv; described rectifying circuit comprises AC/DC conv and the second filter; by direct current (DC) is converted to alternating current; again alternating current is converted to direct current (DC); this current colector has translation function, is provided with high pressure magnetic simultaneously and isolates between described DC/AC conv and described AC/DC conv, can form protection to circuit.
As further technical scheme; the utility model is provided with overvoltage protective module between described chopper circuit and described electrical network; described overvoltage protective module comprises and is set in turn in fuse between described electrical network and described chopper circuit and input switch, and described input switch is controlled by main control module.
As preferred technical scheme, the utility model includes chopper circuit, one or more groups inverter circuit and corresponding rectifying circuit, in parallel between described many group inverter circuits, is provided with high pressure magnetic isolation between rectifying circuit and corresponding inverter circuit.
As further technical scheme, the utility model is equipped with reactor on electric wire, and described reactor is between described input switch and described rectifying circuit.
As further technical scheme; the utility model at least between described electrical network and fuse, described fuse or be parallel with transformer or pizo-resistance between described input switch and described reactor, between described chopper circuit and described inverter circuit; for monitoring high voltage circuit in the state of its Current Voltage after different electric elements or carry out overload protection, electrical isolation effect can be played to electric elements.
As preferably, the control unit of described power transfer module, described high-voltage safety isolation module and described intelligent trolley pole, can be arranged in described control box.
Beneficial effect: the utility model is by carrying out the isolation of actv. high-voltage safety and high integration design to electric power system; it is made to obtain the stable power supply signal of required frequency; when there is counter-current, inverter circuit and rectifying circuit can be disconnected in time, protective device element safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the integrated form current colector with power source conversion function and high_voltage isolation disclosed in the utility model embodiment 1;
Fig. 2 is the structural representation of the integrated form current colector with power source conversion function and high_voltage isolation disclosed in the utility model embodiment 2;
Fig. 3 is the integral structure schematic diagram of the integrated form current colector with power source conversion function and high_voltage isolation disclosed in the utility model embodiment.
Numeral and the corresponding component title represented by letter in figure:
1, chopper circuit; 2, inverter circuit; 21, the first inverter circuit; 22, the second inverter circuit; 211, the first filter; 212, DC/AC conv; 3, reactor; 4, high pressure magnetic isolation; 5, rectifying circuit; 51, the first rectifying circuit; 52, the second rectifying circuit; 511, AC/DC conv; 512, the second filter; 6, transformer; 7, fuse; 8, input switch.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides integral and intelligent current colector, its principle of work is: by by chopper circuit, inverter circuit and rectifying circuit integrate and are placed in roof, cable is connected with intelligent trolley pole, intelligence trolley pole relies on cylinder to promote to realize being connected with external high pressure electrical network (being generally 400V-1200V), the electric current introduced is by described chopper circuit, high voltage direct current can be transformed into a kind of adjustable direct current (DC), export to by IGBT (Insulated Gate BipolarTransistor, insulated gate bipolar transistor) the controlled H-bridge inverter circuit that forms, rectifying circuit is entered after high pressure magnetic isolation, export the adjustable burning voltage of certain limit.
Below in conjunction with embodiment and detailed description of the invention, the utility model is described in further detail.
Embodiment 1
Integral and intelligent current colector, comprise the power transfer module, high-voltage safety isolation module and the intelligent trolley pole that are integrated in one, power transfer module, high-voltage safety isolation module are arranged in control box 9, composition graphs 3, be fixed on the base 10 that is connected with roof, there is the feature of high integration, easy for installation, strong interference immunity.
Composition graphs 1, power transfer module comprises the chopper circuit 1 connected successively by electric wire, one group of inverter circuit 2, and the rectifying circuit 5 to be connected with described inverter circuit 2, described chopper circuit 1 connects with external electrical network, this connection can connect with external electrical network by utilizing trolley pole, or directly connected with external electrical network by power lead, high-tension current in external electrical network is introduced on described chopper circuit 1, by described chopper circuit 1, high voltage direct current can be converted to adjustable direct current (DC), and input on inverter circuit 2.
Described inverter circuit comprises filter A211, and the DC/AC212 to connect with described filter A211, described filter A211 can carry out effective filtering to the frequency beyond the frequency of the characteristic frequency in the adjustable DC electricity of input, the power supply signal of the characteristic frequency of demand can be obtained, transfer direct current (DC) to alternating current by DC/AC212.
Described rectifying circuit 5 comprises AC/DC511 and filter B512, between described DC/AC212 and described AC/DC511, be provided with high pressure magnetic isolate 4, the electric current exported from described DC/AC212, described AC/DC511 is inputed to through described high pressure magnetic isolation 4, through described filter B512, export adjustable direct current (DC).
In use, because the voltage of electrical network is very high, electric current is directly being accessed in the process of chopper circuit 1 by electrical network, in order to protection can be formed to circuit, the utility model is provided with overvoltage protective module between described chopper circuit 1 and described electrical network, described overvoltage protective module comprises and is set in turn in fuse 7 between described electrical network and described chopper circuit 1 and input switch 8, described input switch 8 is controlled by main control module, when electric current is through chopper circuit 1, described fuse 7 can form protection to circuit, namely after electric current exceeds the specified value of fuse 7, fuse 7 can be made to disconnect, avoid chopper circuit 1 and inverter circuit, and rectified current forms damage.
In practical work process; usual electrical network and current colector keep the state connected for a long time; the safety of fuse 7 protective circuit at any time; and vehicle does not need to use external power supply in some cases; Long Term Contact can shorten the service life of electric elements, and therefore, the utility model adds input switch 8 between described chopper circuit 1 and described fuse 7; send signal by whole-control system to main control module, described main control module energy amplifying signal carrys out the closed of control inputs switch 8 and disconnects.
In order to can monitor the electric current that electric current enters before and after overvoltage protective module, the utility model is between described electrical network and described fuse 7, and between described fuse 7 and chopper circuit 1, transformer 6 or pizo-resistance is parallel with between described chopper circuit 1 and described inverter circuit, the current value before fuse 7 can flowed into electric current by described transformer 6 or described pizo-resistance, after flowing through fuse 7, current value before chopper circuit 1, and the current value after described chopper circuit 1 is monitored, described pizo-resistance can realize overload protection.
In sum, the utility model is by protecting by overvoltage protective module the electric current introduced, protection can be formed to the electric components in described chopper circuit 1, described inverter circuit 2 and described rectifying circuit 5, especially by described overvoltage protective module, the safety of circuit on vehicle can be guaranteed; After electric current enters to described inverter circuit 2 by described chopper circuit 1, after flowing to described rectifying circuit 5, counter-current can cause described rectifying circuit 5, described inverter circuit 2 and described chopper circuit 1 to damage, now, by arranging high pressure magnetic isolation 4 between described inverter circuit 2 and described rectifying circuit 5, when certain counter-current being detected, described high pressure magnetic isolation 4 can cut off the connection between described rectifying circuit 5 and described inverter circuit 2 automatically, guarantees the safety of the electric elements on current colector integrated circuit.
Embodiment 2
Integral and intelligent current colector, all the other are identical with embodiment 1, institute's difference is, the present embodiment includes two groups of inverter circuits and two groups of rectifying circuits, be connected in parallel between wherein different inverter circuits, in this embodiment, please refer to Fig. 2, inverter circuit is divided into the first inverter circuit 21 and the second inverter circuit 22, rectifying circuit is divided into the first rectifying circuit 51 and the second rectifying circuit 52, between described first rectifying circuit 51 and described first inverter circuit 21, be respectively equipped with high pressure magnetic between described second rectifying circuit 52 and described second inverter circuit 22 and isolate 4, described second inverter circuit 22 connects with described first inversion road, electric current after being processed by chopper circuit 1, through described first inverter circuit 21, a part flows to described first rectifying circuit 51, another part flows to described second inverter circuit 22, and then through high pressure magnetic isolation 4, exported by described second rectifying circuit 52.
In the present embodiment, described first rectified current connects with the mouth of described second rectifying circuit 52, form unified mouth, export the direct current (DC) of adjustable voltage, adopt the circuit structure of this embodiment, to compare embodiment 1, can higher power be exported, meanwhile, if there is counter-current in current flowing process, can not be formed between each circuit and influence each other, the safety that lifting vehicle runs.
Embodiment 3
All the other are identical with embodiment 1 or embodiment 2, institute's difference is, the utility model is equipped with reactor 3 on electric wire, incorporated by reference to Fig. 1 and Fig. 2, described reactor 3 is between described input switch 8 and described chopper circuit, by described reactor 3, electric current effectively can be suppressed to flow to the high order harmonic produced in chopper circuit 1, promote the safety of total system further.
Transformer 6 or pizo-resistance is parallel with between described input switch and described reactor; by described transformer 6 or pizo-resistance; can monitor the current value that electric current enters before and after described reactor 3, described transformer 6 or pizo-resistance can play protection to described reactor 3 simultaneously.
It should be noted that at this, the inverter circuit mentioned by the utility model and rectifying circuit, can be one group, two groups or many groups, two groups or many groups adopt parallel way to connect, and do not do to organize the restriction on number at this.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. integral and intelligent current colector, it is characterized in that, comprise: power transfer module, high-voltage safety isolation module and trolley pole gas, electric control module, they are integrated in overall control box, described control box and trolley pole assembly be unified to be fixed on the base that is connected with roof, realizes the assembly module of slip ring system.
2. integral and intelligent current colector according to claim 1, it is characterized in that, described power transfer module comprises chopper circuit, at least one group of inverter circuit, and the rectifying circuit to match with described inverter circuit, described chopper circuit, inverter circuit and rectifying circuit are integrated in control box, are connected with electrical network by trolley pole; Described inverter circuit comprises the first filter and DC/AC conv, and described rectifying circuit comprises AC/DC conv and the second filter, between described DC/AC conv and described AC/DC conv, be provided with high-voltage safety isolation module.
3. integral and intelligent current colector according to claim 2; it is characterized in that; be provided with overvoltage protective module between described chopper circuit and described electrical network, described overvoltage protective module comprises and is set in turn in fuse between described electrical network and described chopper circuit and input switch.
4. integral and intelligent current colector according to claim 3, is characterized in that, described input switch is by its switch of master control module controls.
5. the integral and intelligent current colector according to Claims 2 or 3, it is characterized in that, include one or more groups inverter circuit and corresponding rectifying circuit, be connected in parallel between described many group inverter circuits, be provided with high pressure magnetic between described rectifying circuit and corresponding inverter circuit and isolate.
6. the integral and intelligent current colector according to claim 3 or 4, is characterized in that, is provided with the reactor suppressing high order harmonic to produce between described input switch and described chopper circuit.
7. integral and intelligent current colector according to claim 6, it is characterized in that, at least between described electrical network and fuse, described fuse or be parallel with transformer or pizo-resistance between described input switch and described reactor, between described chopper circuit and described inverter circuit.
8. integral and intelligent current colector according to claim 1, is characterized in that, the control unit of power transfer module, high-voltage safety isolation module and described intelligent trolley pole, is arranged in described control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108535.0U CN204586528U (en) | 2015-02-13 | 2015-02-13 | Integral and intelligent current colector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108535.0U CN204586528U (en) | 2015-02-13 | 2015-02-13 | Integral and intelligent current colector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204586528U true CN204586528U (en) | 2015-08-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520108535.0U Withdrawn - After Issue CN204586528U (en) | 2015-02-13 | 2015-02-13 | Integral and intelligent current colector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204586528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626998A (en) * | 2015-02-13 | 2015-05-20 | 上海尊阶士工程技术有限公司 | Integrated intelligent current collector |
-
2015
- 2015-02-13 CN CN201520108535.0U patent/CN204586528U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626998A (en) * | 2015-02-13 | 2015-05-20 | 上海尊阶士工程技术有限公司 | Integrated intelligent current collector |
| WO2016127776A1 (en) * | 2015-02-13 | 2016-08-18 | 上海尊阶士工程技术有限公司 | Integrated smart current collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20171114 |