CN206559311U - A kind of inexpensive alarm type photovoltaic component terminal box - Google Patents
A kind of inexpensive alarm type photovoltaic component terminal box Download PDFInfo
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- CN206559311U CN206559311U CN201720290602.4U CN201720290602U CN206559311U CN 206559311 U CN206559311 U CN 206559311U CN 201720290602 U CN201720290602 U CN 201720290602U CN 206559311 U CN206559311 U CN 206559311U
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- terminal box
- alarm
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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
Be provided with multiple binding posts the utility model proposes a kind of inexpensive alarm type photovoltaic component terminal box, including box body, in it, per two neighboring binding post between connected by diode；Voltage output positive pole and negative pole；Alarm unit is monitored, alarm element is which is provided with, described monitoring alarm unit is electrically connected by wire with each binding post；Described monitoring alarm unit includes monitoring alarm unit power module, component substring voltage acquisition module and signal transacting and output module.Described terminal box, solar components fault monitoring circuit is set in terminal box, utilize the self-powered of establishment, effective monitoring and the alert when failure occurs can be carried out to photovoltaic module working condition, structure easily realizes that cost is low, effect is good and the investment repayment time is short, it is non-maintaining, it is to avoid it is high that corded power carrier wave and wireless telecommunications monitoring have a cost, the shortcoming of investment repayment time length.
Description
Technical field
The utility model is related to solar photovoltaic technology field, more particularly to a kind of inexpensive alarm type photovoltaic module
Terminal box.
Background technology
Accreditation with the world to clean energy resource, solar energy power generating is considered as that a kind of most sustainable development is preferable
The renewable energy power generation technology of feature (most abundant resource and most clean power generation process).Solar energy power generating is to utilize
Solar photovoltaic assembly is as basic generator unit, and over time, the decay of the generated output of photovoltaic module is must
Right phenomenon, power attenuation refers to the growth with light application time, the phenomenon that the power output of component is gradually reduced.Its relaxation phenomenon
Four classes can be roughly divided into：The first kind, because power is decayed suddenly caused by monkey wrench, monkey wrench is referred mainly in component
Occur failure welding, packaging technology in production process and there is starved phenomenon, or due to being operated not in carrying, installation process
When, in addition in use component internal it is hidden split, the serious phenomenon such as broken of cell piece；Equations of The Second Kind, initial photo attenuation, i.e.,
Decline by a relatively large margin occurs in initial several days just begun to use for the power output of photovoltaic module, but then tends towards stability；
3rd class, the aging decay of component, i.e., the extremely slow power down phenomenon that solar panel occurs in long-term use；The
Members in four classes, the subregion of component or photovoltaic plant occur to block for a long time.
The monolithic monitoring technology of existing component hair dotted state has two ways：One is corded power ZAP, and two be nothing
Line mechanics of communication, both modes all suffer from some problems.In actual applications, there is many not in corded power ZAP
Foot, such as have impulse disturbances in itself；There is the very big loss of signal on line；Power line causes high reduction to carrier signal, works as electricity
When load is very heavy in the line of force, transmission range is short；And wireless communication technique is vulnerable to interference under forceful electric power magnetic environment；Both modes
Also there is cost high, investment repayment is long, the shortcomings of being less susceptible to safeguard.In addition, in many practical applications, user only need to and
Problem and be subject to timely failture evacuation in Shi Faxian component power generation processes, and need not be complicated signals transmission, therefore,
Need to propose that a kind of practicality is high, cost is lower, the extremely short component generating state monitoring system of investment repayment.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide that a kind of cost is low and efficient alarm type light
Assembly junction box is lied prostrate, the generating efficiency variable condition for the battery pack string that it can at any time in monitoring assembly, and to power plant maintenance people
Member sends warning.
To reach the purpose of this utility model, a kind of inexpensive alarm type photovoltaic component terminal box of the present utility model includes
Box body, is provided with multiple binding posts in it, per two neighboring binding post between connected by diode；Voltage output positive pole
And negative pole；Alarm unit is monitored, alarm element is which is provided with, described monitoring alarm unit passes through wire and each binding post
It is electrically connected；Described monitoring alarm unit include monitoring alarm unit power module, component substring voltage acquisition module with
And signal transacting and output module.
It is preferred that, described power module uses TL431 controllable accurate voltage stabilizing source circuits, and its positive pole and negative pole are respectively with connecing
Positive pole and the negative pole connection of line box, its output end are connected with the input of signal transacting and output module.
Further preferably, the input of the component substring voltage acquisition module corresponds to three groups of single battery component respectively
The output voltage of string, binding post of its output end respectively with signal transacting and output module is connected.
Further preferably, described alarm element is connected with the output end of signal transacting and output module.
Further preferably, described alarm element is LED and/or buzzer.
Further preferably, when between the voltage of three substrings of the photovoltaic module that the component substring voltage acquisition module is gathered
Difference when reaching a predetermined value, the signal transacting and output module send alarm signal by alarm element.
Further preferably, the voltage sum of three substrings of the photovoltaic module gathered when the component substring voltage acquisition module
During less than a predetermined value, the signal transacting and output module send alarm signal by alarm element.
The beneficial effects of the utility model are that described inexpensive alarm type photovoltaic component terminal box is set in terminal box
Solar components fault monitoring circuit is put, using the self-powered of establishment, effective monitoring can be carried out to photovoltaic module working condition
And when failure occurs alert, structure easily realizes that cost is low, and effect is good and the investment repayment time is short, non-maintaining,
Avoid corded power carrier wave and wireless telecommunications monitoring has cost height, the shortcoming of investment time length.
Brief description of the drawings
By detailed description below in conjunction with the accompanying drawings, the utility model is foregoing to incite somebody to action with other objects, features and advantages
Become apparent.Wherein：
Fig. 1 show a kind of structural representation of inexpensive alarm type photovoltaic component terminal box of the present utility model；
Fig. 2 show the comprising modules schematic diagram of the monitoring alarm unit of Fig. 1 terminal box；
Fig. 3 show the circuit theory diagrams of the power module of the monitoring alarm unit of Fig. 1 terminal box；
Fig. 4 show the circuit theory diagrams of the component substring voltage acquisition module of the monitoring alarm unit of Fig. 1 terminal box；
Fig. 5 show the signal transacting and the circuit theory diagrams of output module of the monitoring alarm unit of Fig. 1 terminal box.
Embodiment
With reference to accompanying drawing, details are as follows for structure of the present utility model, principle and advantage.
A kind of structural representation of inexpensive alarm type photovoltaic component terminal box of the present utility model shown in reference picture 1,
Described terminal box includes box body 10, is provided with binding post 121,122,123 and 124 in it, per two neighboring binding post
Between connected by diode 101；Voltage output positive pole 14 and negative pole 16；Alarm unit 20 is monitored, alarm element is which is provided with
22, described monitoring alarm unit 20 is electrically connected by wire with each binding post.Reference picture 2, described monitoring police
Show that unit 20 includes monitoring alarm unit power module, component substring voltage acquisition module and signal transacting and output module.
With reference to accompanying drawing 3 to 5, the monitoring of terminal box of the present utility model is described in detail by taking the component including three substrings as an example
The structure composed and operation principle of alarm unit 20 are as follows.
The circuit theory diagrams of the power module of monitoring alarm unit shown in reference picture 3, power module is controllable using TL431
Precision voltage regulator circuit, its positive pole P and negative pole N are connected with the positive pole 14 and negative pole 16 of terminal box respectively, its output end VDD and letter
Number processing and output module input connect (referring to Fig. 5)；Reference picture 4, the input PV+ of component substring voltage acquisition module
A, PV+B, PV+C correspond to the output voltage of three group strings of battery component, its output end PV+A1, PV+B1, PV+C1 difference respectively
It is connected with the binding post of signal transacting and output module (reference picture 5), alarm element 22 and signal transacting and output module
Output end is connected, in a preferred embodiment, and described alarm element 22 is LED and/or buzzer.
Inexpensive alarm type photovoltaic component terminal box of the present utility model, is confessed by power module from solar components
Electricity, NPN type triode is controlled by TL431 precision shunts conditioned circuit, and solar components input voltage is converted into 3.3V
Burning voltage.The input voltage range of this circuit is extremely wide, can reach 10V to 75V, can cover current all solar components.
Component substring voltage acquisition module gathers 3 substrings of solar photovoltaic assembly by 8 single-chip microcomputers respectively
Voltage, is compared to the output voltage of three substrings of component and the value of voltage addition is judged, specific voltage
Comparing method is：1st, judge whether the voltage of three substrings of solar photovoltaic assembly is close, if three substrings differ greatly
(such as than more than or equal to 3V), single-chip microcomputer judges failure after being handled collection value, is flashed by alarm element such as LED
And/or buzzer call is pointed out；2：When assembly surface has foreign matter to block, component can be caused to export the relatively low (ratio of total voltage output
Such as less than be equal to 31V), single-chip microcomputer to collection value be compared processing after judge failure, by alarm element such as LED flash or/
And buzzer call is pointed out.
A kind of inexpensive alarm type photovoltaic component terminal box of the present utility model, sets solar components event in terminal box
Hinder observation circuit, can be to the substring working condition and the work shape of whole component in photovoltaic module using the self-powered of establishment
State carries out effective monitoring and the alert when failure occurs, and structure easily realizes that cost is low, and effect is good and investment repayment
Time is short, non-maintaining.
The utility model is not limited to described embodiment, those skilled in the art do not depart from it is of the present utility model
In the i.e. open scope of spirit, it can still make some amendments or change, therefore rights protection scope of the present utility model is with claims
The scope of restriction is defined.
Claims (7)
1. it is provided with a kind of inexpensive alarm type photovoltaic component terminal box, it is characterised in that the terminal box includes box body, in it
Connected between multiple binding posts, every two neighboring binding post by diode；Voltage output positive pole and negative pole；Monitoring warning
Unit, which is provided with alarm element, and described monitoring alarm unit is connected respectively by wire with each binding post；Described
Monitoring alarm unit includes monitoring alarm unit power module, component substring voltage acquisition module and signal transacting and output mould
Block.
2. a kind of inexpensive alarm type photovoltaic component terminal box as claimed in claim 1, it is characterised in that described power supply mould
Block uses TL431 controllable accurate voltage stabilizing source circuits, and its positive pole and negative pole are connected with the positive pole and negative pole of terminal box respectively, and it is exported
End is connected with the input of signal transacting and output module.
3. a kind of inexpensive alarm type photovoltaic component terminal box as claimed in claim 2, it is characterised in that the component substring
The input of voltage acquisition module corresponds to the output voltage of three group strings of single battery component respectively, its output end respectively with letter
Number processing and output module binding post connection.
4. a kind of inexpensive alarm type photovoltaic component terminal box as claimed in claim 3, it is characterised in that described alarm member
Part is connected with the output end of signal transacting and output module.
5. a kind of inexpensive alarm type photovoltaic component terminal box as claimed in claim 4, it is characterised in that described alarm member
Part is LED and/or buzzer.
6. a kind of inexpensive alarm type photovoltaic component terminal box as claimed in claim 1, it is characterised in that when component
When difference between the voltage of three substrings of the photovoltaic module of string voltage acquisition module collection reaches a predetermined value, the signal
Processing and output module send alarm signal by alarm element.
7. a kind of inexpensive alarm type photovoltaic component terminal box as claimed in claim 1, it is characterised in that when component
Go here and there voltage acquisition module collection photovoltaic module three substrings voltage sum be less than a predetermined value when, the signal transacting and
Output module sends alarm signal by alarm element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720290602.4U CN206559311U (en) | 2017-03-23 | 2017-03-23 | A kind of inexpensive alarm type photovoltaic component terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720290602.4U CN206559311U (en) | 2017-03-23 | 2017-03-23 | A kind of inexpensive alarm type photovoltaic component terminal box |
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| Publication Number | Publication Date |
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| CN206559311U true CN206559311U (en) | 2017-10-13 |
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| CN201720290602.4U Active CN206559311U (en) | 2017-03-23 | 2017-03-23 | A kind of inexpensive alarm type photovoltaic component terminal box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106803739A (en) * | 2017-03-23 | 2017-06-06 | 苏州快可光电科技有限公司 | A kind of inexpensive alarm type photovoltaic component terminal box |
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2017
- 2017-03-23 CN CN201720290602.4U patent/CN206559311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106803739A (en) * | 2017-03-23 | 2017-06-06 | 苏州快可光电科技有限公司 | A kind of inexpensive alarm type photovoltaic component terminal box |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200102 Address after: 211700 Xinhai Avenue, Xuyi Economic Development Zone, Huai'an City, Jiangsu Province Patentee after: Jiangsu may Amperex Technology Limited Address before: 215123 No. 31 Xinfa Road, Suzhou Industrial Park, Jiangsu, China Patentee before: QC Solar (Suzhou) Corporation |