CN204287815U - Novel integrated current transformer - Google Patents
Novel integrated current transformer Download PDFInfo
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- CN204287815U CN204287815U CN201420827864.6U CN201420827864U CN204287815U CN 204287815 U CN204287815 U CN 204287815U CN 201420827864 U CN201420827864 U CN 201420827864U CN 204287815 U CN204287815 U CN 204287815U
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- water
- current transformer
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Abstract
The utility model discloses a kind of Novel integrated current transformer, comprise one cabinet and be integratedly arranged on water circulation cabinet in described one cabinet and converter cabinet, wherein: described water circulation cabinet comprises sensor, action executing circuit; Described converter cabinet comprises controller; Described sensor in described water circulation cabinet is electrically connected with the controller in described converter cabinet; Described controller in described converter cabinet is also electrically connected with the described action executing circuit in described water circulation cabinet; Described action executing circuit is for controlling the water supply situation in water circulation cabinet; Described water circulation cabinet is also communicated with external water circulation cooling system.This Novel integrated current transformer, it achieves the information interaction coordinated signals of water circulation cabinet and converter cabinet.Such feedback controling mode science more, more rationally, also more fast effectively.
Description
Technical field
The utility model relates to electrical circuitry equipment technical field, particularly relates to a kind of Novel integrated current transformer.
Background technology
Wind energy, as a kind of clean regenerative resource, is more and more subject to the attention of countries in the world, and THE WIND ENERGY RESOURCES IN CHINA is enriched, and national policy also vigorously supported Wind Power Generation Industry in recent years.Wherein, wind electric converter is the core component of wind generator system, and generally it realizes soft grid-connected and generating by controlling aerogenerator, reduces the adverse effect that grid-connected dash current causes motor and electrical network.
At present, high-power wind power converter majority all needs to adopt water-cooling heat radiating system to be mated operation, and water-cooling heat radiating system is mainly used in effectively lowering the temperature process to high-power wind power converter.But water-cooling heat radiating system of the prior art and wind electric converter are two independently systems, each own independently controller, also relatively independent, separated in structure.
Obviously, the water-cooling heat radiating system in the wind electric converter structure of prior art and converter cabinet have and independently two overlap controller and cabinet, and its manufacturing cost is higher, installs and comparatively bothers.In addition, control because the control of water-cooling heat radiating system and the control of current transformer adhere to different controller separately, mutually incompatible, very difficult combination realizes wind power master control system coordination and controls.
In sum, how overcoming the technological deficiency of wind electric converter of the prior art, is those skilled in the art's technical matterss urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of Novel integrated current transformer, to solve the problem.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of Novel integrated current transformer, comprises one cabinet and is integratedly arranged on water circulation cabinet in described one cabinet and converter cabinet, wherein:
Described water circulation cabinet comprises sensor, action executing circuit, coolant circulation system; Described converter cabinet comprises controller, internal cooling liquid pipeline; Described sensor in described water circulation cabinet is electrically connected with the controller in described converter cabinet; Described controller in described converter cabinet is also electrically connected with the described action executing circuit in described water circulation cabinet; Described action executing circuit is for controlling the water supply situation in water circulation cabinet; Described water circulation cabinet is also communicated with external water circulation cooling system.
Preferably, can embodiment as one, the sensor in described water circulation cabinet comprises pressure transducer, temperature sensor and flow sensor.
Preferably, can embodiment as one, the described coolant circulation system of described water circulation cabinet comprises water inlet for connecting described external water circulation cooling system, water delivering orifice and water pump, electrically operated valve, manually-operated gate, water tank and the water supply line and the water return pipeline that are communicated with described converter cabinet; Described water tank is communicated with described water return pipeline with described water supply line respectively; Water inlet, the water delivering orifice of described external water circulation cooling system are also communicated with described water tank respectively;
Described water supply line and described water return pipeline are separately installed with described pressure transducer, described temperature sensor and described flow sensor and described water pump, described electrically operated valve, described manually-operated gate.
Preferably, can embodiment as one, described action executing circuit is for controlling described water pump start and stop in water circulation cabinet and the switch of described electrically operated valve and the startup optimization of described external water circulation cooling system.
Preferably, can embodiment as one, the described controller of described converter cabinet inside comprises signal gathering unit;
Described signal gathering unit is connected with the output terminal of described sensor, and the electric signal for exporting described sensor processes and samples, and is connected with described controller by cable or optical cable.
Preferably, can embodiment as one, described action executing circuit comprises contactor, relay and electrically operated valve; Described contactor, relay and electrically operated valve are all connected on described action executing circuit.
Preferably, can embodiment as one, described action executing circuit is also connected with overload protective device.Described overload protective device is voltage overload protector and/or thermistor and/or current over-load protector.
Preferably, can embodiment as one, described Novel integrated current transformer can also be electrically connected with long-range control host machine.
Preferably, can embodiment as one, described main control system and the described controller in described converter cabinet are electrically connected with described controller by optical cable or cable or radio;
Compared with prior art, the advantage of the utility model embodiment is:
A kind of Novel integrated current transformer that the utility model provides, analyzes above-mentioned Novel integrated converter structure known: water circulation cabinet and converter cabinet have integrated cabinet body structure, and structure integrates, and can realize integral installation transport; Electrical control integrates, and the control of water circulation cabinet is realized by the controller of current transformer; For wind power master control system, do not need independent watering cycle cabinet to send out steering order, only need to send out steering order to current transformer, the water-cooled current transformer in field of general technology self is integrated with the current transformer of heat-sinking capability as one.Namely above-mentioned Novel integrated current transformer its specifically have linkage control structure that is highly integrated, integration.Wherein in water circulation cabinet, there is sensor and action executing circuit; Wherein sensor may be used for detecting the information such as pressure, temperature and the flow that water circulation cabinet interior conduit supplies water, and then passes to the controller in converter cabinet; Controller receives the signal of the sensor subsequently, then carries out FEEDBACK CONTROL by action executing circuit to the water pump on coolant circulation system, electrically operated valve and external water circulation cooling system.
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 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.
The structural representation of the Novel integrated current transformer that Fig. 1 provides for the utility model embodiment;
The control principle schematic diagram of the Novel integrated current transformer that Fig. 2 provides for the utility model embodiment.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is 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.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
See Fig. 1, a kind of Novel integrated current transformer that the utility model embodiment provides, comprises one cabinet 1 and is integratedly arranged on water circulation cabinet 2 in described one cabinet 1 and converter cabinet 3, wherein:
Described water circulation cabinet 2 comprises sensor 20, action executing circuit, coolant circulation system; Described converter cabinet 3 comprises controller 30, internal cooling liquid pipeline; Described sensor 20 in described water circulation cabinet 2 is electrically connected with the controller 30 in described converter cabinet 3 (wherein, its function of sensor 20 is for controller 30 provides the various status signals of water circulation cabinet); Described controller 30 in described converter cabinet 3 is also electrically connected with the described action executing circuit in described water circulation cabinet 2 (can realize the function that current transformer controls the electrical equipment action of action executing circuit in water circulation cabinet by above-mentioned connected mode); Described action executing circuit is for controlling the water supply situation in water circulation cabinet 2; Described water circulation cabinet 2 is also communicated with external water circulation cooling system 4.In addition, converter cabinet inside is provided with the electrical structure such as electronic power parts, distribution component controlling liquid cooling heat radiator, controller in described converter cabinet is electrically connected with electric power electric parts, distribution component etc. in converter cabinet, complete the function of general convertor, it repeats this no longer one by one for current techique.
The structure analyzing above-mentioned Novel integrated current transformer is known: water circulation cabinet 2 and converter cabinet 3 have integrated cabinet body structure, and structure integrates; And above-mentioned Novel integrated current transformer its specifically have coordinated signals mode that is highly integrated, integration.Wherein in water circulation cabinet 2, there is sensor and action executing circuit; Wherein sensor may be used for detecting the information such as pressure, temperature and the flow that water circulation cabinet interior conduit supplies water, and then passes to the controller in converter cabinet; Controller receives the signal of the sensor subsequently, then carries out FEEDBACK CONTROL by action executing circuit.Because action executing circuit can control the water supply situation of water circulation cabinet 2 interior conduit; So namely, by some devices (such as: pump switch and electrically operated valve) on the pipeline of the coolant circulation system in controller FEEDBACK CONTROL water circulation cabinet.Control especially by electrical equipment realizing circuit such as the switch on action executing circuit, contactors.
It should be noted that, the Novel integrated current transformer that the utility model embodiment provides incorporates existing converter cabinet and water circulation cabinet, original controller and sensor is combined, integrates; The funtion part that controller wherein in converter cabinet completes converter cabinet in current techique does not relate to the improvement in any program, and it belongs to known technology and repeats no longer one by one this.Its maximum improvement is:
Split type water circulation cabinet of the prior art and converter cabinet are carried out structure-integrated design; Control eliminates the controller of water circulation cabinet in prior art, but the signal that the water circulation cabinet sensor be connected on former water circulation cabinet controller collects is changed into be connected on the controller of converter cabinet, by the controller of converter cabinet, water circulation cabinet action executing parts of the prior art are controlled, achieve control integrated design.Further, eliminate in prior art, water circulation cabinet is to the connection of other controllers except converter cabinet.Change into and externally connecting by converter cabinet is unified, simplify control level and the model of whole system.
Wherein, the sensor 20 in described water circulation cabinet 2 comprises pressure transducer, temperature sensor and flow sensor.
The described coolant circulation system of described water circulation cabinet also comprises water inlet A for connecting described external water circulation cooling system, water outlet B and water pump, electrically operated valve, manually-operated gate, water tank and the water supply line and the water return pipeline that are communicated with described converter cabinet; Described water tank is communicated with described water return pipeline with described water supply line respectively; Water inlet, the water delivering orifice of described external water circulation cooling system are also communicated with described water tank respectively; Further illustrate water tank 5 in FIG, the structure such as the electric heater 6 be arranged in water tank, the Electrocontrolled tee valve door 7 that water return pipeline is arranged and water pump 8, all the other structures are not shown.
Described water supply line and described water return pipeline are separately installed with described pressure transducer, described temperature sensor and described flow sensor and described water pump, described electrically operated valve, manually-operated gate.Described action executing circuit is for controlling described water pump start and stop in water circulation cabinet and the switch of described electrically operated valve and the startup optimization of described external water circulation cooling system.
Integral layout feature is: the water circulation cabinet 2 in above-mentioned Novel integrated current transformer and converter cabinet 3 are also provided with suspension ring.Such water circulation cabinet and converter cabinet, in same integrated cabinet body structure, can get up in integral hoisting, are convenient to passing on and transporting of large-scale converter cabinet.
Control principle drawing is shown in Fig. 2: the sensor in water circulation cabinet refers to: the general water circulation cabinet sensors used such as pressure, flow, temperature.Can embodiment as one, described action executing circuit comprises contactor, relay and electrically operated valve; Described contactor, relay and electrically operated valve are all connected on described action executing circuit.Water circulation cabinet externally has water inlet and water delivering orifice, connects outside water circulation cooling system 4 respectively.Above-mentioned water circulation cooling system 4 can be the various ways such as water-cooled system or water wind cooling system, and its function is the water in water delivering orifice is become the lower water of temperature by this cooling system and is back to water circulation cabinet by water inlet.In fact, the signal (its signal message reflects the ruuning situation information of water circulation cabinet) gathered can be sent to the controller of converter cabinet by the sensor analyzing above-mentioned water circulation cabinet; Then the controller of converter cabinet carries out FEEDBACK CONTROL by action executing circuit.
The structure structure analyzing above-mentioned Novel integrated current transformer total is known: the Novel integrated current transformer that the utility model embodiment provides, sensor 20 in water circulation cabinet 2 comprises pressure transducer, temperature sensor and flow sensor can to collect in water circulation cabinet flow information in pressure information, temperature information and pipeline, then by sensor passes to the controller in converter cabinet; Controller carries out switch control rule by action executing circuit to pipeline charging pump, electrically operated valve again; Action executing circuit wherein in water circulation cabinet is connected with: the water circulation cabinet control assembly used that electrically operated valve, contactor, relay, electrically operated valve etc. are general.Namely complete global optimization by the action executing circuit in the controller in water circulation cabinet inner sensor and converter cabinet and water circulation cabinet like this to run, and information real-time collecting and quick feedback control are combined togather, it achieves the information interaction coordinated signals of water circulation cabinet and converter cabinet.Obviously, such feedback controling mode science more, more rationally, also more fast effectively.
Above-mentioned water circulation cabinet feature is: the water circulation cabinet supporting with general (namely of the prior art) wind electric converter is distinguished and be following 2 points:
In the utility model embodiment water circulation cabinet its without controller and no signal processing capacity, only can will be arranged on signal transmission that in water circulation, various sensor collects to converter cabinet, and can accept and perform the various action commands that converter cabinet transmission comes and realize controlling.Therefore it has given up a controller, so both cost-saving obviously, also achieves conservative control.
Preferably, can embodiment as one, the described controller of described converter cabinet inside comprises signal gathering unit; Described signal gathering unit is connected with the output terminal of described sensor, and the electric signal for exporting described sensor processes and samples, and is connected with described controller by optical cable or cable.
Preferably, can embodiment as one, described action executing circuit is also connected with overload protective device.Described overload protective device is voltage overload protector and/or thermistor and/or current over-load protector.
It should be noted that, action executing circuit is also connected with overload protective device; This overload protective device can implement overcurrent protection, overvoltage protection and short-circuit protection etc. to action executing circuit.Overload protective device is in order to promote the safety and reliability of circuit structure obviously.
It should be noted that, converter cabinet feature is: possess all functions of general wind electric converter and possess the ability accepting and process the various signals that the transmission of water circulation cabinet comes simultaneously.The controller of converter cabinet is by the radiating requirements of various signal combination current transformers self next for the transmission of water circulation cabinet, the each parts of watering cycle cabinet send action command, allow water circulation cabinet normally work, and monitor the duty of water circulation cabinet, the status information of water circulation cabinet is provided.Integrated by structural integrity and control mode, allow water-cooling system and wind electric converter overall operation effective, and save cost.
Preferably, can embodiment as one, described Novel integrated current transformer can also be electrically connected with being arranged on long-range main control system;
Preferably, can embodiment as one, described main control system and the described controller in described converter cabinet are electrically connected with described controller by optical cable or cable or wireless signal mode; Described main control system is also connected with display; The sensor detects the discharge in the temperature of converter cabinet, pressure and water-circulating pipe in real time, and is shown by display, is supplied to that staff is auxiliary carries out current transformer work condition inspection and control.
It should be noted that, in order to embody better, remote monitoring be carried out to the status information of water circulation cabinet; The integrated current transformer that the utility model embodiment provides also add long-range main control system, i.e. PC host computer or industrial computer or DCS control system.Pass discharge result in the temperature results measured in converter cabinet, pressure texture and pipeline back pulpit, all there is far-reaching influence for the normal operation of converter cabinet and cost.Such as: control, monitoring or record case time all need to connect the temperature of current transformer, and current transformer temperature is also a crucial measurand of converter cabinet FEEDBACK CONTROL.
Be connected in order to main control system when ensureing remote monitoring realizes communication with the controller in above-mentioned converter cabinet, the utility model embodiment has enumerated several embodiment; Comprise direct wiring mode, serial communication or bus mode.Wherein, direct wiring: directly spot sensor or controller are connected to the main control system in pulpit.Signal through adjusting, or is converted into simulating signal and digital signal, then is recorded by main control system and show.
In sum, the Novel integrated current transformer that the utility model embodiment provides, control mode is more reasonable, integrated; Overall-in-one control schema can be achieved by the controller in converter cabinet; Such as: it carries out FEEDBACK CONTROL when sensor detects that water circulation cabinet temperature is higher by controller and action executing circuit; Such as control water pump and open increasing output, increase water-cooled efficiency, thus reach the problem reducing temperature, so just can ensure the timely heat radiation of converter cabinet, avoid it to be damaged because temperature is too high.The Novel integrated current transformer that the utility model embodiment provides; its action executing circuit structure is more stable; overload protective device can guarantee the normal operation of water pump, while having ensured circuit safety, also strengthens the serviceable life of water pump (pump body).The Novel integrated current transformer that the utility model embodiment provides, can integratedization in structure, and also one is placed, and its manufacturing cost is lower, and install more simple, working stability, has many technical advantages.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a Novel integrated current transformer, is characterized in that,
Comprise one cabinet and be integratedly arranged on water circulation cabinet in described one cabinet and converter cabinet, wherein:
Described water circulation cabinet comprises sensor, action executing circuit, coolant circulation system; Described converter cabinet comprises controller, internal cooling liquid pipeline; Described sensor in described water circulation cabinet is electrically connected with the controller in described converter cabinet; Described controller in described converter cabinet is also electrically connected with the described action executing circuit in described water circulation cabinet; Described action executing circuit is for controlling the water supply situation in water circulation cabinet; Described water circulation cabinet is also communicated with external water circulation cooling system.
2. Novel integrated current transformer as claimed in claim 1, is characterized in that,
Sensor in described water circulation cabinet comprises pressure transducer, temperature sensor and flow sensor.
3. Novel integrated current transformer as claimed in claim 2, is characterized in that,
The described coolant circulation system of described water circulation cabinet also comprises water inlet for connecting described external water circulation cooling system, water delivering orifice and water pump, electrically operated valve, manually-operated gate, water tank and the water supply line and the water return pipeline that are communicated with described converter cabinet; Described water tank is communicated with described water return pipeline with described water supply line respectively; Water inlet, the water delivering orifice of described external water circulation cooling system are also communicated with described water tank respectively;
Described water supply line and described water return pipeline are separately installed with described pressure transducer, described temperature sensor and described flow sensor and described water pump, described electrically operated valve, manually-operated gate.
4. Novel integrated current transformer as claimed in claim 3, is characterized in that,
Described action executing circuit is for controlling described water pump start and stop in water circulation cabinet and the switch of described electrically operated valve and the startup optimization of described external water circulation cooling system.
5. Novel integrated current transformer as claimed in claim 4, is characterized in that,
The described controller of described converter cabinet inside comprises signal gathering unit;
Described signal gathering unit is connected with the output terminal of described sensor, and the electric signal for exporting described sensor processes and samples, and is connected with described controller by optical cable or cable.
6. Novel integrated current transformer as claimed in claim 5, is characterized in that,
Described action executing circuit comprises contactor, relay and electrically operated valve; Described contactor, relay and electrically operated valve are all connected on described action executing circuit.
7. Novel integrated current transformer as claimed in claim 6, is characterized in that,
Described action executing circuit is also connected with overload protective device.
8. Novel integrated current transformer as claimed in claim 7, is characterized in that,
Described overload protective device is voltage overload protector and/or thermistor and/or current over-load protector.
9. Novel integrated current transformer as claimed in claim 5, is characterized in that,
Described Novel integrated current transformer also be arranged on long-range main control system and be electrically connected.
10. Novel integrated current transformer as claimed in claim 9, is characterized in that,
Described main control system and the described controller in described converter cabinet are electrically connected with described controller by optical cable or cable or radio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420827864.6U CN204287815U (en) | 2014-12-23 | 2014-12-23 | Novel integrated current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420827864.6U CN204287815U (en) | 2014-12-23 | 2014-12-23 | Novel integrated current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204287815U true CN204287815U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420827864.6U Expired - Fee Related CN204287815U (en) | 2014-12-23 | 2014-12-23 | Novel integrated current transformer |
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| Country | Link |
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| CN (1) | CN204287815U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108121840A (en) * | 2016-11-29 | 2018-06-05 | 中车大同电力机车有限公司 | The distribution method in water route between a kind of traction current transformation cabinet and train power supply cabinet |
| CN109588000A (en) * | 2017-09-28 | 2019-04-05 | 株洲中车时代电气股份有限公司 | A kind of integrated form traction convertor cooling system |
| CN113739862A (en) * | 2020-05-29 | 2021-12-03 | 比亚迪股份有限公司 | Flow detection and control device of heat dissipation water channel and electrically driven vehicle |
-
2014
- 2014-12-23 CN CN201420827864.6U patent/CN204287815U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108121840A (en) * | 2016-11-29 | 2018-06-05 | 中车大同电力机车有限公司 | The distribution method in water route between a kind of traction current transformation cabinet and train power supply cabinet |
| CN109588000A (en) * | 2017-09-28 | 2019-04-05 | 株洲中车时代电气股份有限公司 | A kind of integrated form traction convertor cooling system |
| CN113739862A (en) * | 2020-05-29 | 2021-12-03 | 比亚迪股份有限公司 | Flow detection and control device of heat dissipation water channel and electrically driven vehicle |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20201223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |