CN206835049U - A kind of photovoltaic combiner box monitor - Google Patents
A kind of photovoltaic combiner box monitor Download PDFInfo
- Publication number
- CN206835049U CN206835049U CN201720678974.4U CN201720678974U CN206835049U CN 206835049 U CN206835049 U CN 206835049U CN 201720678974 U CN201720678974 U CN 201720678974U CN 206835049 U CN206835049 U CN 206835049U
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- China
- Prior art keywords
- power
- photovoltaic
- monitor
- interface
- photovoltaic cell
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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
Abstract
The utility model discloses a kind of photovoltaic combiner box monitor, and it includes central processing unit, power module, communication module, power interface and sensor interface；The power module is connected with central processing unit, communication module and power interface respectively；The power interface is connected with a photovoltaic cell component, and for obtaining working power from photovoltaic cell component, the photovoltaic cell component is arranged on outside photovoltaic combiner box, and the sensor interface is connected with the sensor in central processing unit and header box.The utility model has the stability for improving equipment by changing power supply orientation and structure；The design cost of power module is saved；Improve device security；Header box inner space is saved, makes the beneficial effect such as easier for installation.
Description
Technical field
It the utility model is related to a kind of photovoltaic combiner box monitor.
Background technology
In solar photovoltaic generation system, in order to reduce the line between solar-energy photo-voltaic cell array and inverter,
User can get up certain amount, the series connection of specification identical photovoltaic cell, form photovoltaic tandem one by one, then again will be some
Individual photovoltaic tandem access intelligent photovoltaic combiner box in parallel, after confluxing in intelligent photovoltaic combiner box, is exported by dc circuit breaker,
Support the use so as to form complete photovoltaic generating system, realize grid-connected with civil power with photovoltaic DC-to-AC converter.
The power of one photovoltaic cell component of current most main flow is about 300W, and its voltage is about 35V, one group of photovoltaic cell
Array is 20 photovoltaic cell components, and the voltage after it is connected is about 700V.Existing header box monitor, which is arranged at, to conflux
The inside of case, because the voltage that confluxes in header box is 700V, so header box monitor directly uses 700V power voltage supplies, and
Its central processing unit and other modules only need 5V dc source.Therefore, there is following defect using 700V power voltage supplies：1st, supervise
It is complicated to control device internal electric source Modular circuit design, it is desirable to which high, cost is high, and often damage；2nd, space is limited in header box, installation
It is inconvenient；3rd, high voltage supply carrys out potential safety hazard to equipment belt.In addition, traditional monitor is arranged on the inside of header box, when confluxing
When miscellaneous part breaks down in case, because user's relevant speciality technological know-how is shallow, monitor failure, misidentification can be mistaken for
It is of poor quality for monitor, cause brand image to reduce.
Utility model content
The purpose of this utility model is in view of the deficienciess of the prior art, providing a kind of by a photovoltaic cell component confession
The photovoltaic combiner box monitor of electricity.
The technical scheme in the invention for solving the above technical problem is：
A kind of photovoltaic combiner box monitor, including central processing unit, power module, communication module, power interface and biography
Sensor interface；The power module is connected with central processing unit, communication module and power interface respectively；The power interface with
One photovoltaic cell component connection, for obtaining working power from photovoltaic cell component, the photovoltaic cell component is arranged on
Outside photovoltaic combiner box, the sensor interface is connected with the sensor in central processing unit and header box.
Preferably, the monitor is arranged on the outside of header box, side or its branch of photovoltaic cell component are fixed on
On frame.
Preferably, the monitor is arranged on the inside of header box.
Preferably, the monitor also includes a waterproof case, the power interface and sensor interface are arranged on institute
State the bottom of shell；The power interface and sensor interface are waterproof port.
Preferably, the outer casing bottom is fixed with installing plate, some mounting holes, the photovoltaic are opened up on the installing plate
Matched positioning hole is opened up on battery component support, bolt is fixed on photovoltaic cell group through the mounting hole with positioning hole
On part support.
Preferably, the communication module is wireless communication module.
Beneficial effect：The utility model after changing power supply orientation and structure by having the advantages that：
1st, the stability of equipment is improved；
2nd, the design cost of power module has been saved；
3rd, device security is improved；
4th, header box inner space is saved, is made easier for installation.
Brief description of the drawings
Fig. 1 is a kind of structural representation for photovoltaic combiner box monitor that the utility model embodiment provides；
Fig. 2 is the structural representation for another photovoltaic combiner box monitor that the utility model embodiment provides；
Fig. 3 is a kind of shell mechanism schematic diagram for photovoltaic combiner box monitor that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is furtherd elucidate, the present embodiment is with the utility model
Implemented under premised on technical scheme, it should be understood that these embodiments are merely to illustrate the utility model rather than limit this reality
With new scope.
As shown in Figure 1 or 2, the utility model discloses a kind of photovoltaic combiner box monitor, during the monitor includes
Central processor 1, power module 2, communication module 3, power interface 4 and sensor interface 5.Power module 2 respectively with central processing
Device 1, communication module 3 and power interface 4 connect, and power module 2 is respectively to central processing unit 1, communication module 3 and power interface 4
Dc source is provided.Power interface 4 is connected with a photovoltaic cell component 6, for obtaining work from a photovoltaic cell component 6
Make power supply, the photovoltaic cell component 6 is arranged on outside photovoltaic combiner box.Sensor interface 5 is respectively with central processing unit 1 and confluxing
Current sensor 7 in case connects, and the current signal that current sensor 7 gathers, by sensor interface 4, is sent to centre
Device 1 is managed, is then sent through communication module 3.
As shown in figure 1, as a kind of embodiment, this monitor is arranged on to the inside of header box.By a photovoltaic cell
The power supply of component 6 is incorporated into header box by power line.But this method has empty inside the defects of certain, such as header box
Between it is limited, installed in header box, overhaul this monitor and have unhandy phenomenon, if the size of increase header box, meeting
Waste of material is caused, also add the quality of header box.In addition, photovoltaic cell component 6 is distant with header box, power line goes out
Existing damaged, short circuit probability is relatively large, photovoltaic cell component may be caused to burn out.
As shown in Fig. 2 as a kind of preferred embodiment, this monitor is arranged on to the outside of header box, is fixed on photovoltaic
Near battery component 6, on the side of photovoltaic cell component 6 or its support.Because power line is very short, its power line breaks down
Probability be greatly reduced, photovoltaic cell component 6 is greatly reduced because of the possibility that burns out of short circuit.
This monitor is fixed near photovoltaic cell component, is equal to leak monitor in extraneous air cruelly, it is necessary to really
Protecting its water resistance could be long-term use of.As shown in figure 3, this monitor also includes a waterproof case 8, the utility model uses
The classification of waterproof of shell 8 be IP67.Power interface 4 and sensor interface 5 are arranged on shell 8, are preferably provided at shell 8
Bottom, it can prevent liquid or dust from falling into enclosure；Power interface 4 and sensor interface 5 preferably use waterproof port, this reality
With the waterproof port of new use as in the prior art, it includes a clamp nut and sealing ring, power line and letter
Number line tightens nut after passing through sealing ring, you can reaches waterproof effect.
Fixed in order to which monitor is consolidated, as shown in figure 3, this monitor is preferably fixed to the support of photovoltaic cell component 6
On, fixed form is preferably detachably fixed, easy access or replacing.A kind of fixed form of the present utility model is the bottom of shell 8
Installing plate 9 is fixed with, in order to ensure waterproof effect, it is preferred to use be welded and fixed.Installing plate 9 can also be with the bottom one of shell 8
Body is formed.Some mounting holes 10 are opened up on installing plate 9, mounting hole 10 is preferably two, is opened up on the support of photovoltaic cell component
The positioning hole coordinated with mounting hole, bolt is through the mounting hole with being fixed on photovoltaic cell component 6 with nut after spacing hole
On support.
The communication module that the utility model uses can be wire communication module, such as use RS485 interfaces and MODBUS
Rtu protocol.It can also be wireless communication module, such as use the one or more of GPRS, 2G, 3G or 4G module.Such as using wired
Communication module, need to set up communication interface on shell 8, the utility model preferably uses wireless communication module.
The utility model improves the stability of equipment by changing power supply orientation and structure；Power module is saved
Design cost；Improve device security；Header box inner space is saved, is made easier for installation；By monitor and photovoltaic
Header box is provided separately, and also solves the problem of photovoltaic combiner box other failures are often mistakenly considered monitor failure by user.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of photovoltaic combiner box monitor, it is characterised in that including central processing unit, power module, communication module, power supply
Interface and sensor interface；The power module is connected with central processing unit, communication module and power interface respectively；The electricity
Source interface is connected with a photovoltaic cell component, for obtaining working power, the photovoltaic cell group from photovoltaic cell component
Part is arranged on outside photovoltaic combiner box, and the sensor interface is connected with the sensor in central processing unit and header box.
2. photovoltaic combiner box monitor according to claim 1, it is characterised in that the monitor is arranged on header box
Outside, be fixed on the side or its support of photovoltaic cell component.
3. photovoltaic combiner box monitor according to claim 1, it is characterised in that the monitor is arranged on header box
Inside.
4. photovoltaic combiner box monitor according to claim 2, it is characterised in that the monitor also includes a waterproof
Shell, the power interface and sensor interface are arranged on the bottom of the shell；The power interface and sensor interface are equal
For waterproof port.
5. photovoltaic combiner box monitor according to claim 4, it is characterised in that the outer casing bottom is fixed with installation
Plate, some mounting holes are opened up on the installing plate, matched positioning hole, bolt are opened up on the photovoltaic cell component support
It is fixed on through the mounting hole and positioning hole on photovoltaic cell component support.
6. photovoltaic combiner box monitor according to claim 1, it is characterised in that the communication module is radio communication
Module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678974.4U CN206835049U (en) | 2017-06-13 | 2017-06-13 | A kind of photovoltaic combiner box monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678974.4U CN206835049U (en) | 2017-06-13 | 2017-06-13 | A kind of photovoltaic combiner box monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206835049U true CN206835049U (en) | 2018-01-02 |
Family
ID=60775626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720678974.4U Active CN206835049U (en) | 2017-06-13 | 2017-06-13 | A kind of photovoltaic combiner box monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206835049U (en) |
-
2017
- 2017-06-13 CN CN201720678974.4U patent/CN206835049U/en active Active
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