CN206775460U - DC control cabinet and control system - Google Patents
DC control cabinet and control system Download PDFInfo
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- CN206775460U CN206775460U CN201720416153.3U CN201720416153U CN206775460U CN 206775460 U CN206775460 U CN 206775460U CN 201720416153 U CN201720416153 U CN 201720416153U CN 206775460 U CN206775460 U CN 206775460U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides a kind of DC control cabinet and control system, is related to power control technology field, and the DC control cabinet includes：Cabinet and junction station, controller and the data collector being arranged on inside cabinet；Junction station is provided with multiple interfaces, and multiple input resistances, the first breaker, amperometric detector and the output interface being connected respectively with multiple interfaces；Controller includes on-off circuit, power detector and the second breaker being sequentially connected；Data collector includes data acquisition unit and wireless communication module.A kind of DC control cabinet and control system provided by the utility model, junction station and controller are integrated in a DC control cabinet so that multi-channel DC electric current caused by photovoltaic cell is converged and controlled, and it is transmitted directly to inversion system, reduce the quantity of switch board in photovoltaic plant, avoid because equipment disperses the inconvenience next to the monitoring band of photovoltaic plant, effectively increase the maintenance of staff and the operating efficiency of inspection.
Description
Technical field
Power control technology field is the utility model is related to, more particularly, to a kind of DC control cabinet and control system.
Background technology
With the development of modern industry, energy crisis and atmosphere polluting problem become increasingly conspicuous, and photovoltaic generation is as a kind of new
The type energy is increasingly valued by people.Photovoltaic generation is exactly to be changed solar energy using the photovoltaic effect of photovoltaic cell material
Into a kind of novel energy system of electric energy, in use, photovoltaic cell produces DC current, and multi-channel DC electric current passes through simultaneously
Connection is converged in header box, and direct current is being converted into the alternating current of frequency needed for user by inversion system.In the prior art,
Multiple header boxs are arranged in photovoltaic apparatus array more by use, and DC current caused by photovoltaic cell is passed into direct current matches somebody with somebody
In electric cabinet, and then it is transferred to inversion system.Due to the scattered distribution of photovoltaic apparatus, convey header box and power distribution cabinet of electric energy etc. and set
Standby more, the monitoring to photovoltaic plant brings huge challenge, also reduces the efficiency safeguarded with inspection.
For above-mentioned during electrical energy transportation, because the scattered distribution of photovoltaic apparatus, conveying electric energy device are more so that
Photovoltaic plant is unfavorable for monitoring, and reduces the problem of safeguarding the efficiency with inspection, not yet proposes effective solution at present.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of DC control cabinet and control system, with alleviate due to
The scattered distribution of photovoltaic apparatus, conveying electric energy device are more so that photovoltaic plant is unfavorable for monitoring, and safeguards and the efficiency of inspection drops
Low technical problem.
In a first aspect, the utility model embodiment provides a kind of DC control cabinet, the DC control cabinet includes：Cabinet and
Junction station, controller and the data collector being arranged on inside cabinet；Junction station is provided with multiple interfaces, each interface be used for
The photovoltaic cell connection of extraneous photovoltaic plant；Multiple input resistances that junction station also includes being connected respectively with multiple interfaces, the
One breaker, amperometric detector and output interface；Junction station is connected by the photovoltaic cell of input resistance and photovoltaic plant, by light
The DC signal of volt battery input is delivered to controller through output interface；The test side of amperometric detector and each input resistance
Connection, the control terminal of amperometric detector are connected with the first breaker, when amperometric detector detects the direct current of photovoltaic cell input
When electric signal is more than current threshold, the first breaker is triggered by control terminal and disconnected, stops conveying DC signal to controller；
Controller includes on-off circuit, power detector and the second breaker being sequentially connected, and controller is used for junction station conveying
DC signal is transmitted to inversion system；Wherein, the output end of power detector is connected with the second breaker, works as power detector
When detecting that the power output of junction station is more than the power threshold of setting, the second breaker of triggering disconnects, and stops to inversion system
Convey DC signal；Data collector includes data acquisition unit and wireless communication module；Data acquisition unit and amperometric detector
Connected with power detector, for gathering the running parameter of amperometric detector and power detector, and pass through wireless communication module
Running parameter is sent to the server of the supervision department of DC control cabinet, so that work shape of the staff to DC control cabinet
State is monitored.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, above-mentioned DC control cabinet also includes the first grounding resistance and the second grounding resistance；One end of first grounding resistance is connected to defeated
On the path for entering resistance and the first breaker, the other end ground connection of the first grounding resistance；One end of second grounding resistance is connected to
On the path of on-off circuit and the second breaker, the other end ground connection of the second grounding resistance.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, above-mentioned DC control cabinet also includes insulating monitor；The insulating monitor is arranged on the connecting path of junction station and controller
On, for carrying out insulating monitoring to DC control cabinet.
With reference to second of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Three kinds of possible embodiments, wherein, above-mentioned DC control cabinet also includes the alarm being connected with insulating monitor, when direct current control
When the insulation against ground resistance of cabinet processed exceeds preset alarm scope, alarm sends alarm under the triggering of insulating monitor.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In, above-mentioned DC control cabinet also includes the ambient parameter collector being connected with data collector, and ambient parameter collector is used to adopt
Collect the ambient parameter of DC control cabinet local environment；Data collector is additionally operable to the ambient parameter for gathering ambient parameter collector
Send to the server of the monitoring system of DC control cabinet, so that staff supervises to the ambient parameter of DC control cabinet
Control；Wherein, ambient parameter collector includes temperature sensor and humidity sensor.
With reference to the 4th kind of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Five kinds of possible embodiments, wherein, above-mentioned DC control cabinet also includes display, and the display is connected with data collector,
For the running parameter of display data transceiver collection, and the ambient parameter of display DC control cabinet local environment.
With reference to the 5th kind of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Six kinds of possible embodiments, wherein, above-mentioned cabinet is provided with the cabinet door with door lock；It is provided with cabinet door and the display
Size matches transparent panel.
With reference in a first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, its
In, above-mentioned DC control cabinet also includes the fan being connected with controller；Air vent is provided with cabinet.
Second aspect, the utility model embodiment additionally provide a kind of photovoltaic plant DC control system, and the system includes
DC control cabinet described in above-mentioned first aspect, in addition to server；Wherein, the server is arranged on the monitoring of DC control cabinet
Department.
With reference to second aspect, the utility model embodiment provides the first possible embodiment of second aspect, its
In, said system also includes the work station being connected with server, and the work station is used for the working condition for showing server.
The utility model embodiment brings following beneficial effect：
A kind of DC control cabinet and control system provided by the utility model, by the way that junction station and controller are integrated in into one
In individual DC control cabinet, the DC control cabinet is set to realize convergence and control to multi-channel DC electric current caused by photovoltaic cell
System, and the DC current of photovoltaic cell is directly transmitted directly to inversion system by DC control cabinet, considerably reduce light
The quantity of switch board in overhead utility, avoid because equipment disperses the inconvenience next to the monitoring band of photovoltaic plant, effectively increase
The maintenance of staff and the operating efficiency of inspection.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those skilled in the art, do not paying creative work
On the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of internal structure schematic diagram for DC control cabinet that the utility model embodiment provides；
Fig. 2 is the concrete structure schematic diagram of the junction station in a kind of DC control cabinet that the utility model embodiment provides；
Fig. 3 is the concrete structure schematic diagram of the controller in a kind of DC control cabinet that the utility model embodiment provides；
Fig. 4 is a kind of particular circuit configurations schematic diagram for DC control cabinet that the utility model embodiment provides；
Fig. 5 is a kind of dimensional structure diagram for DC control cabinet that the utility model embodiment provides；
Fig. 6 is a kind of structured flowchart for DC control system that the utility model embodiment provides.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of the utility model protection.
Photovoltaic plant uses header box and control cabinet for power distribution phase more when conveying DC current caused by photovoltaic cell at present
With reference to mode conveyed, because photovoltaic apparatus distribution is scattered, the monitoring to photovoltaic plant brings huge challenge, also reduces
The efficiency of maintenance and inspection, based on this, a kind of DC control cabinet and control system that the utility model embodiment provides, to carry
The maintenance of high photovoltaic plant and routing inspection efficiency.
For ease of understanding the present embodiment, first to a kind of DC control cabinet disclosed in the utility model embodiment
Describe in detail.
Embodiment one：
A kind of internal structure schematic diagram of DC control cabinet as shown in Figure 1, the DC control cabinet include：Cabinet and setting
Junction station 10, controller 20 and data collector 30 inside cabinet；Wherein, cabinet is not shown in Fig. 1.
Specifically, above-mentioned junction station 10 is provided with multiple interfaces 101, each interface 101 is used for the photovoltaic plant with the external world
Photovoltaic cell connection；Multiple input resistances 102, first that the junction station also includes with multiple interfaces are connected respectively are disconnected
Road device 103, amperometric detector 105 and output interface 104；It should be appreciated that it is easy for description, one is illustrate only in Fig. 1
Interface 101, and an input resistance 102, in actual use, the number of interface 101 and input resistance 102 can be according to reality
Situation is configured, and the present embodiment is not limited to this.
During specific implementation, junction station 10 is connected by input resistance 102 with the photovoltaic cell of photovoltaic plant, by photovoltaic cell
The DC signal of input is delivered to controller 20 through output interface 104；The test side of amperometric detector 105 and each input electricity
The connection of resistance 102, the control terminal of amperometric detector 105 is connected with the first breaker 103, when amperometric detector 105 detects photovoltaic
When the DC signal of battery input is more than current threshold, the first breaker 103 is triggered by control terminal and disconnected, is stopped to control
Device 20 conveys DC signal.
Controller 20 includes on-off circuit 201, the breaker 203 of power detector 202 and second being sequentially connected, controller
20 are used to transmit the DC signal that junction station 10 conveys to inversion system；Wherein, the output end of power detector 202 and the
Two breakers 203 connect, when power detector 202 detects that the power output of junction station 10 is more than the power threshold of setting,
Trigger the second breaker 203 to disconnect, stop conveying DC signal to inversion system.
Specifically, data collector 30 includes data acquisition unit 301 and wireless communication module 302；Wherein, data acquisition unit
301 are connected with amperometric detector 105 and power detector 202, for gathering amperometric detector 105 and power detector 202
Running parameter, and sent running parameter to the server of the supervision department of DC control cabinet, tool by wireless communication module 302
When body is realized, above-mentioned wireless communication module 302 can be realized by wifi embedded chips, built-in wireless network protocol and TCP/
IP agreement etc., internet is connected into by wifi signals, and then establishes and connect with Cloud Server；It can also be moved by 2G/3G/4G etc.
Dynamic cellular network, establishes with server and communicates, so that staff is monitored to the working condition of DC control cabinet.
A kind of DC control cabinet that the utility model embodiment provides, by the way that junction station and controller are integrated in into one directly
In flow control cabinet, the DC control cabinet is set to realize convergence and control to multi-channel DC electric current caused by photovoltaic cell, and
The DC current of photovoltaic cell is directly transmitted directly to inversion system by DC control cabinet, considerably reduces photovoltaic plant
The quantity of middle switch board, avoid because equipment disperses the inconvenience next to the monitoring band of photovoltaic plant, effectively increase work people
The maintenance of member and the operating efficiency of inspection.
Fig. 2 shows a kind of concrete structure schematic diagram of above-mentioned junction station, it is contemplated that photovoltaic plant meeting in practical application
Many photovoltaic cells are distributed, therefore, using multi-channel DC electric current is imported into junction station by way of parallel connection, as shown in Fig. 2
In use, the input of photovoltaic cell includes positive pole input and negative pole input, and each pole has multi-channel DC electric current to pass through
Input resistance parallel connection is imported into junction station, and in the schematic diagram shown in Fig. 2, the positive pole input of photovoltaic cell includes four road batteries
Tandem, the negative pole input of photovoltaic cell also include four road battery tandems, have an input resistance per battery tandem all the way,
After parallel connection all the way, output interface is transported to by the first breaker, and the test side of amperometric detector per road positive pole with inputting
Input resistance connection, further, corresponding to photovoltaic cell positive pole input and negative pole input, output interface also include positive pole it is straight
Output interface and negative DC output interface are flowed, the direct current that junction station converges is streamed to controller.
Fig. 3 shows a kind of concrete structure schematic diagram of controller noted above, wherein, on-off circuit is preferably diode with protecting
The single-phase turning circuit that shield switch is composed in series, can effectively prevent backflow phenomena, and power detector is arranged on switch electricity
On the path of road and the second breaker, to detect the power output of the direct current signal of junction station transmission.
Specifically, above-mentioned DC control cabinet also includes the first grounding resistance and the second grounding resistance；As shown in Figures 2 and 3
Electrical block diagram, one end of the first grounding resistance is connected on the path of input resistance and the first breaker, and first connects
The other end ground connection of ground resistance；One end of second grounding resistance is connected on the path of on-off circuit and the second breaker, and second
The other end ground connection of grounding resistance.Further, as shown in Figure 2, it is contemplated that junction station has positive pole input and negative pole to input two and lead to
Road, in actual use, grounding resistance preferably is both provided with the positive pole input channel and negative pole input channel of junction station,
Therefore, the first grounding resistance in fig. 2 is provided with two.
On the basis of Fig. 2 and Fig. 3, the utility model embodiment additionally provides a kind of physical circuit knot of DC control cabinet
Structure schematic diagram, as shown in figure 4, the concrete structure schematic diagram including above-mentioned junction station, controller, in addition to data collector.Together
When, for the safe operation consideration to DC control cabinet, and can be effectively to every when insulation fault occurs in DC control cabinet
Individual branch road is identified, and above-mentioned DC control cabinet also includes insulating monitor；As shown in figure 4, the insulating monitor is arranged on remittance
On the connecting path for flowing device and controller, for carrying out insulating monitoring to DC control cabinet, during specific implementation, the insulating monitor
Monitoring side be connected on the path that the positive DC output interface of junction station and negative DC output interface are connected with controller.
Further, above-mentioned DC control cabinet also includes the alarm being connected with insulating monitor, when pair of DC control cabinet
When ground insulaion resistance exceeds preset alarm scope, above-mentioned alarm sends alarm under the triggering of insulating monitor, is having
When body is realized, the threshold value of the alarm range of above-mentioned insulaion resistance can be set by staff in advance, to meet different bars
Insulating requirements under part, to improve the grade of safeguard protection.
Further, above-mentioned DC control cabinet also includes the ambient parameter collector being connected with data collector, environment ginseng
Number collector is not shown in Fig. 4.The ambient parameter collector is used for the ambient parameter for gathering DC control cabinet local environment；Number
The service for the monitoring system for being additionally operable to send the ambient parameter that ambient parameter collector gathers to DC control cabinet according to transceiver
Device, so that staff is monitored to the ambient parameter of DC control cabinet；Wherein, the ambient parameter collector passes including temperature
Sensor and humidity sensor.During specific implementation, the temperature sensor and humidity sensor can be as needed, are arranged on direct current control
Inside the cabinet of cabinet processed, it can also be arranged on outside cabinet, while the quantity of sensor can be one or multiple,
Specifically it is defined by actual use situation, the utility model embodiment is not limited to this.
For the ease of attendant when carrying out inspection and maintenance to above-mentioned DC control cabinet, direct current control can be effectively checked
The running status of cabinet processed, above-mentioned DC control cabinet also include display, and the display is connected with data collector, for showing number
The running parameter gathered according to transceiver, and the ambient parameter of display DC control cabinet local environment；Further, it is above-mentioned straight
The cabinet of flow control cabinet is provided with the cabinet door with door lock；It is also provided with matching with the size of display in cabinet door transparent
Panel so that in Daily Round Check or maintenance process, attendant can effectively view the current fortune of DC control cabinet
Row state, improve the operating efficiency of attendant.
In view of the heat dissipation problem of DC control cabinet in the process of running, in actual use, above-mentioned DC control cabinet is also
The fan being connected with controller can be provided with；Meanwhile air vent is also provided with cabinet, to improve the ventilation of cabinet
Effect.Fig. 5 shows a kind of dimensional structure diagram of above-mentioned DC control cabinet, including cabinet, air vent, door lock, panel and
Nameplate, wherein panel are the transparent panel to match with the size of display, can show running parameter that display show with
Ambient parameter etc..In specific implementation, said fans can be by the way of individually powering, so that fan can be constantly in fortune
Row state, further, the fan can also connect with temperature sensor, when the temperature in DC control cabinet is more than the temperature of setting
During threshold value, fan is run by the way of triggering automatically, realize automatically controlling for fan-temperature in DC control cabinet, enter
One step improves the monitoring efficiency to DC control cabinet.
Embodiment two：
On the basis of above-described embodiment one, the utility model embodiment additionally provides a kind of DC control system, such as Fig. 6
The structured flowchart of shown DC control system, the system include the DC control cabinet 601 described in above-described embodiment one, in addition to
Server 600；Wherein, the server 600 is arranged on the supervision department of DC control cabinet.
Further, said system also includes the work station 602 being connected with server 600, and the work station 602, which is used to show, to be taken
The working condition of business device 600.
During specific implementation, the quantity of above-mentioned DC control cabinet 601 can be one, can also be multiple, particular number with
Actual conditions are defined, and the utility model embodiment is not limited to this.Further, above-mentioned DC control cabinet 601 is by wireless
Communication module is established wireless network with server 600 and is connected, and realizes the upload of data so that the supervision department of DC control cabinet
Staff can realize the monitoring to DC control cabinet according to the data of upload.
The utility model embodiment provide a kind of DC control system, make DC control cabinet by wireless communication module with
Server establishes network connection, can send the service data of DC control cabinet to the server of supervision department, straight to realize
The real-time monitoring of flow control cabinet, enables staff to check the running status of DC control cabinet in time, effectively increases work
The maintenance of personnel and the operating efficiency of inspection.
The DC control system that the utility model embodiment provides, the DC control cabinet provided with above-described embodiment have phase
Same technical characteristic, so can also solve identical technical problem, reaches identical technique effect.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.To those skilled in the art, with concrete condition above-mentioned term can be understood in this reality
With the concrete meaning in new.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Above example, only specific embodiment of the present utility model, to illustrate this practicality
New technical scheme, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing implementation
The utility model is described in detail example, it should be understood by those skilled in the art that：Any skill for being familiar with the art
In the technical scope that the utility model discloses, it can still be carried out art personnel to the technical scheme described in previous embodiment
Modification can readily occur in change, or carry out equivalent substitution to which part technical characteristic；And these are changed, change or replace
Change, the essence of appropriate technical solution is departed from the spirit and scope of the utility model embodiment technical scheme, should all cover
Within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should using scope of the claims as
It is accurate.
Claims (10)
1. a kind of DC control cabinet, it is characterised in that the DC control cabinet includes：Cabinet and it is arranged on inside the cabinet
Junction station, controller and data collector；
The junction station is provided with multiple interfaces, and each interface is used to be connected with the photovoltaic cell of the photovoltaic plant in the external world；
The junction station also includes the multiple input resistances, the first breaker, current detecting being connected respectively with multiple interfaces
Meter and output interface；
The junction station is connected by the photovoltaic cell of the input resistance and photovoltaic plant, the photovoltaic cell is inputted straight
Stream electric signal is delivered to the controller through the output interface；
The test side of the amperometric detector is connected with each input resistance, the control terminal of the amperometric detector with it is described
First breaker connects, when the amperometric detector detects that the DC signal of the photovoltaic cell input is more than current threshold
When, first breaker is triggered by the control terminal and disconnected, stops conveying DC signal to the controller；
The controller includes on-off circuit, power detector and the second breaker being sequentially connected, and the controller is used for will
The DC signal of the junction station conveying is transmitted to inversion system；Wherein, the output end of the power detector and described the
Two breakers connect, when the power detector detects that the power output of the junction station is more than the power threshold of setting,
Trigger second breaker to disconnect, stop conveying DC signal to the inversion system；
The data collector includes data acquisition unit and wireless communication module；The data acquisition unit and the amperometric detector
Connect with the power detector, for gathering the running parameter of the amperometric detector and the power detector, and pass through
The wireless communication module sends the running parameter server of the supervision department to the DC control cabinet, so that work
Personnel are monitored to the working condition of the DC control cabinet.
2. DC control cabinet according to claim 1, it is characterised in that the DC control cabinet also includes the first ground connection electricity
Resistance and the second grounding resistance；
One end of first grounding resistance is connected on the path of the input resistance and first breaker, and described first
The other end ground connection of grounding resistance；One end of second grounding resistance is connected to the on-off circuit and second breaker
Path on, the other end of second grounding resistance ground connection.
3. DC control cabinet according to claim 1, it is characterised in that the DC control cabinet also includes insulating monitoring
Instrument；
The insulating monitor is arranged on the connecting path of the junction station and the controller, for the DC control
Cabinet carries out insulating monitoring.
4. DC control cabinet according to claim 3, it is characterised in that the DC control cabinet also includes and the insulation
The alarm of monitor connection, when the insulation against ground resistance of the DC control cabinet exceeds preset alarm scope, the alarm
Device sends alarm under the triggering of the insulating monitor.
5. DC control cabinet according to claim 1, it is characterised in that the DC control cabinet also includes and the data
The ambient parameter collector of transceiver connection, the ambient parameter collector are used to gather the DC control cabinet local environment
Ambient parameter；
The data collector is additionally operable to send the ambient parameter of ambient parameter collector collection to the DC control
The server of the monitoring system of cabinet, so that the staff is monitored to the ambient parameter of the DC control cabinet；Wherein,
The ambient parameter collector includes temperature sensor and humidity sensor.
6. DC control cabinet according to claim 5, it is characterised in that the DC control cabinet also includes display, institute
State display to be connected with the data collector, for showing the running parameter of the data collector collection, Yi Jixian
Show the ambient parameter of the DC control cabinet local environment.
7. DC control cabinet according to claim 6, it is characterised in that the cabinet is provided with the cabinet door with door lock；Institute
State to be provided with cabinet door and match transparent panel with the size of the display.
8. DC control cabinet according to claim 1, it is characterised in that the DC control cabinet also includes and the control
The fan of device connection；Air vent is provided with the cabinet.
9. a kind of DC control system, it is characterised in that the system includes the direct current control described in any one of claim 1~8
Cabinet processed, in addition to server；Wherein, the server is arranged on the supervision department of the DC control cabinet.
10. system according to claim 9, it is characterised in that the system also includes the work station being connected with server,
The work station is used for the working condition for showing the server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720416153.3U CN206775460U (en) | 2017-04-19 | 2017-04-19 | DC control cabinet and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720416153.3U CN206775460U (en) | 2017-04-19 | 2017-04-19 | DC control cabinet and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775460U true CN206775460U (en) | 2017-12-19 |
Family
ID=60635181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720416153.3U Expired - Fee Related CN206775460U (en) | 2017-04-19 | 2017-04-19 | DC control cabinet and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775460U (en) |
-
2017
- 2017-04-19 CN CN201720416153.3U patent/CN206775460U/en not_active Expired - Fee Related
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