CN106768410A - A kind of solar battery connecting box prior-warning device - Google Patents
A kind of solar battery connecting box prior-warning device Download PDFInfo
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- CN106768410A CN106768410A CN201611246983.2A CN201611246983A CN106768410A CN 106768410 A CN106768410 A CN 106768410A CN 201611246983 A CN201611246983 A CN 201611246983A CN 106768410 A CN106768410 A CN 106768410A
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- warning device
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- temperature sensor
- temperature
- solar battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- General Physics & Mathematics (AREA)
- Photovoltaic Devices (AREA)
Abstract
This application discloses a kind of solar battery connecting box prior-warning device, including：For the temperature sensor of printed circuit board (PCB) temperature value in real-time monitoring terminal box；Whether it is connected with the temperature sensor, for judging the temperature value beyond alarm threshold value, if the alarm alarmed if.Terminal box plays very important effect in solar cell module, and the electric energy that solar cell is produced can not only be conveniently transported to external circuit by it, while being also ' umbrella ' of sun component.When photovoltaic junction box temperature overheating, potential safety hazard is very big.The present invention increased temperature sensor on the PCB printed circuit board (PCB)s of junction box, measured by the temperature to pcb board, the result that will be measured by temperature sensor is exported, whether alarm judges the temperature value beyond alarm threshold value, if alarm is synchronized if, monitoring and management to solar junction box temperature are realized.
Description
Technical field
The present invention relates to field of photovoltaic technology, more specifically to a kind of solar battery connecting box prior-warning device.
Background technology
Solar cell module is to carry out opto-electronic conversion by solar cell, and the electricity that single component sends will be transmitted
To in charging, control system, it is necessary to be transmitted by terminal box, terminal box is whole solar battery " tie ",
Many components are cascaded to form an entirety for generating, between solar cell module and solar charging controller for electric consumption
Between connector, the effect in Application of Solar Energy is to can not be ignored.
Terminal box is it is important that Stability and dependability, disclosure satisfy that safe handling for a long time.When in photovoltaic junction box
Portion's diode imbalance, when the electric current of photovoltaic module is excessive, and photovoltaic module is short-circuited, and can all cause junction box temperature
Too high, because terminal box is plastic casing, distributing for heat is very slow, if long-time heat can not be distributed out, terminal box temperature
The security presence problem of degree, and cause backboard adhesive linkage soft or even possibility that is burning also is fully present.
Therefore, how to dock the rising of the temperature inside line box carries out early warning, it is to avoid potential safety hazard is those skilled in the art
Problem in urgent need to solve.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of solar battery connecting box prior-warning device, in docking line box
The temperature in portion is raised and carries out early warning, it is to avoid potential safety hazard.
To achieve the above object, the present invention provides following technical scheme：
A kind of solar battery connecting box prior-warning device, including：
For the temperature sensor of printed circuit board (PCB) temperature value in real-time monitoring terminal box；
It is connected with the temperature sensor, for judging that whether the temperature value, beyond alarm threshold value, is carried out if if
The alarm of alarm.
Preferably, in above-mentioned solar battery connecting box prior-warning device, also including dual power supply handover module, double electricity
The first input end of source handover module is connected with solar cell, and the second input is connected with button cell, output end with it is described
Temperature sensor is connected.
Preferably, in above-mentioned solar battery connecting box prior-warning device, also including voltage-stablizer, the input of the voltage-stablizer
End is connected with the solar cell, and output end is connected with the dual power supply handover module.
Preferably, in above-mentioned solar battery connecting box prior-warning device, the voltage-stablizer includes BUCK circuit chips, electricity
Resistance divider, voltage references and hysteresis comparator, the input of the BUCK circuit chips and the solar cell phase
Even, output end is connected with the input of the resitstance voltage divider, the output end of the resitstance voltage divider and the hysteresis comparator
First input end be connected, the voltage references are connected with the second input of the hysteresis comparator, and the sluggishness compares
The output end of device is connected with the dual power supply handover module.
Preferably, in above-mentioned solar battery connecting box prior-warning device, the alarm is buzzer.
Preferably, in above-mentioned solar battery connecting box prior-warning device, also include：
Input is connected with the temperature sensor, and output end is connected with the buzzer, for entering to the buzzer
The triode of row power amplification.
Preferably, in above-mentioned solar battery connecting box prior-warning device, also include：
One end is connected with the temperature sensor, the outer meeting resistance that the other end is connected with the input of the triode.
From above-mentioned technical proposal as can be seen that a kind of solar battery connecting box prior-warning device provided by the present invention, bag
Include：For the temperature sensor of printed circuit board (PCB) temperature value in real-time monitoring terminal box；It is connected with the temperature sensor, is used for
Whether the temperature value is judged beyond alarm threshold value, if the alarm alarmed if.
Terminal box plays very important effect in solar cell module, what it can not only produce solar cell
Electric energy is conveniently transported to external circuit and goes, while being also ' umbrella ' of sun component.When photovoltaic junction box temperature overheating, safety
Hidden danger is very big.The present invention increased temperature sensor on the PCB printed circuit board (PCB)s of junction box, by the temperature to pcb board
Degree is measured, and the result that will be measured by temperature sensor is exported, and whether alarm judges the temperature value beyond alarm threshold value,
If alarm is synchronized if, monitoring and management to solar junction box temperature are realized.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of solar battery connecting box prior-warning device schematic diagram provided in an embodiment of the present invention；
Fig. 2 is voltage-stablizer schematic diagram provided in an embodiment of the present invention；
Fig. 3 is LM57 temperature sensor chips schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, Fig. 1 is a kind of solar battery connecting box prior-warning device schematic diagram provided in an embodiment of the present invention.
In a kind of specific embodiment, there is provided a kind of prior-warning device of solar battery connecting box 02, including：
For the temperature sensor 03 of printed circuit board (PCB) temperature value in real-time monitoring terminal box 02；
It is connected with the temperature sensor 03, for judging that whether the temperature value, beyond alarm threshold value, enters if if
The alarm 05 of row alarm.
Wherein, terminal box 02 plays very important effect in solar cell 01, and it can not only be by solar cell
01 electric energy for producing is conveniently transported to external circuit, while being also ' umbrella ' of sun component.When the temperature of photovoltaic junction box 02
Heat is spent, potential safety hazard is very big.The tunnels of 01 Fen Wei of solar cell tri- are exported, and the wiring of solar cell 01 is delivered to by three lead-in wires
Box 02, temperature sensor 03 is connected with the printed circuit board (PCB) of the terminal box 02 of solar cell 01, detects the temperature of printed circuit board (PCB),
Temperature value is transferred to alarm 05, alarm 05 judges that whether the temperature value, beyond alarm threshold value, is reported if if
It is alert.The temperature of terminal box 02 is monitored by temperature sensor 03, when temperature is too high can and alarm.
It is pointed out that the temperature of MPPT control chips is monitored by using a chip of temperature sensor 03, it is excellent
Choosing, temperature sensor 03 uses LM57 chips.As shown in figure 3, Fig. 3 is LM57 temperature sensors provided in an embodiment of the present invention
Chip schematic diagram.
The present invention increased temperature sensor 03 on the PCB printed circuit board (PCB)s inside terminal box 02, by pcb board
Temperature is measured, and the result that will be measured by temperature sensor 03 is exported, and whether alarm 05 judges the temperature value beyond report
Alert threshold value, if alarm is synchronized if, realizes monitoring and management to the temperature of solar junction box 02.
On the basis of the prior-warning device of 01 terminal box of above-mentioned solar cell 02, also including dual power supply handover module 04, institute
The first input end for stating dual power supply handover module 04 is connected with solar cell 01, and the second input is connected with button cell 07,
Output end is connected with the temperature sensor 03.
Wherein, powered to temperature sensor 03, the power supply inside the prior-warning device of 01 terminal box of solar cell 02 is using double
Road is input into, wherein input is solar cell 01 all the way, work is exported all the way using this when 01 normal work of solar cell
For the power supply of the device is powered, input is to access a button cell 07 all the way in addition.When the solar cell 01 for being accessed is non-
During normal work, just powered as power supply using selectable button cell 07.
As shown in Fig. 2 Fig. 2 is voltage-stablizer schematic diagram provided in an embodiment of the present invention.
On the basis of the prior-warning device of 01 terminal box of above-mentioned solar cell 02, also including voltage-stablizer 09, the voltage-stablizer
09 input is connected with the solar cell 01, and output end is connected with the dual power supply handover module 04.
Be depressured for the voltage that solar cell 01 is exported by the purpose of voltage-stablizer 09, is reduced to late-class circuit dual power supply and is cut
Voltage needed for mold changing block 04.
Further, in the prior-warning device of 01 terminal box of above-mentioned solar cell 02, the voltage-stablizer 09 includes BUCK electricity
Road chip 10, resitstance voltage divider 08, voltage references and hysteresis comparator, the input of the BUCK circuit chips with it is described
Solar cell 01 is connected, and output end is connected with the input of the resitstance voltage divider 08, the output of the resitstance voltage divider 08
End is connected with the first input end of the hysteresis comparator, the second input of the voltage references and the hysteresis comparator
It is connected, the output end of the hysteresis comparator is connected with the dual power supply handover module 04.
Wherein, BUCK circuit chips 10 are Buck conversion circuit, the input of BUCK circuit chips 10 and the sun
Energy battery 01 is connected, that is, the input all the way in taking the tunnels of solar components Zhong tri- to export.By accessing a BUCK circuit core
Piece 10 reaches the purpose of step-down, the voltage needed for being reduced to late-class circuit.The output voltage of BUCK circuits passes through electric resistance partial pressure, and
One output voltage of voltage references is compared by a hysteresis comparator, if hysteresis comparator is output as electricity high
It is flat, then make dual power supply handover module 04 select the output voltage of BUCK modules, if hysteresis comparator is output as low level,
Dual power supply handover module 04 is made to select the output voltage of button cell 07 as output voltage.
Further, in the prior-warning device of 01 terminal box of above-mentioned solar cell 02, the alarm 05 is buzzer.
Wherein, alarm 05 includes but is not limited to buzzer, can also be other types of audible-visual annunciator 05, is protecting
In the range of shield.
On the basis of the prior-warning device of 01 terminal box of above-mentioned solar cell 02, also include：
Input is connected with the temperature sensor 03, and output end is connected with the buzzer, for the buzzer
Carry out the triode of power amplification.
Further, in the prior-warning device of 01 terminal box of above-mentioned solar cell 02, also include：
One end is connected with the temperature sensor 03, the outer meeting resistance that the other end is connected with the input of the triode.
By the threshold temperature for setting external resistance RSENSE1, RSENSE2 to set overheat protector.Temperature sensor
03 output end TOVER accesses a resistance, and the rear end of resistance accesses a triode and provides larger current to buzzer, works as biography
When the temperature that sensor is sensed is too high, output high level in TOVER ends causes triode ON, buzzer to begin to send out sound, with
This come reach sound warning.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (7)
1. a kind of solar battery connecting box prior-warning device, it is characterised in that including：
For the temperature sensor of printed circuit board (PCB) temperature value in real-time monitoring terminal box；
It is connected with the temperature sensor, for judging that whether the temperature value, beyond alarm threshold value, is alarmed if if
Alarm.
2. solar battery connecting box prior-warning device as claimed in claim 1, it is characterised in that also switch mould including dual power supply
Block, the first input end of the dual power supply handover module is connected with solar cell, and the second input is connected with button cell, defeated
Go out end to be connected with the temperature sensor.
3. solar battery connecting box prior-warning device as claimed in claim 2, it is characterised in that described also including voltage-stablizer
The input of voltage-stablizer is connected with the solar cell, and output end is connected with the dual power supply handover module.
4. solar battery connecting box prior-warning device as claimed in claim 3, it is characterised in that the voltage-stablizer includes BUCK
Circuit chip, resitstance voltage divider, voltage references and hysteresis comparator, the input of the BUCK circuit chips with it is described too
It is positive can battery be connected, output end is connected with the input of the resitstance voltage divider, the output end of the resitstance voltage divider with it is described
The first input end of hysteresis comparator is connected, and the voltage references are connected with the second input of the hysteresis comparator, institute
The output end for stating hysteresis comparator is connected with the dual power supply handover module.
5. the solar battery connecting box prior-warning device as described in claim any one of 1-4, it is characterised in that the alarm
It is buzzer.
6. solar battery connecting box prior-warning device as claimed in claim 5, it is characterised in that also include：
Input is connected with the temperature sensor, and output end is connected with the buzzer, for carrying out work(to the buzzer
The triode that rate is amplified.
7. solar battery connecting box prior-warning device as claimed in claim 6, it is characterised in that also include：
One end is connected with the temperature sensor, the outer meeting resistance that the other end is connected with the input of the triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246983.2A CN106768410A (en) | 2016-12-29 | 2016-12-29 | A kind of solar battery connecting box prior-warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246983.2A CN106768410A (en) | 2016-12-29 | 2016-12-29 | A kind of solar battery connecting box prior-warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106768410A true CN106768410A (en) | 2017-05-31 |
Family
ID=58929155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611246983.2A Pending CN106768410A (en) | 2016-12-29 | 2016-12-29 | A kind of solar battery connecting box prior-warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106768410A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070402A (en) * | 2017-06-07 | 2017-08-18 | 江苏集能易新能源技术有限公司 | A kind of intelligent monitor for being integrated in photovoltaic component terminal box |
| CN108152543A (en) * | 2018-01-19 | 2018-06-12 | 国网江苏省电力有限公司宿迁供电分公司 | A kind of electric energy metering wiring box with fault alarm function |
| CN113340339A (en) * | 2021-04-26 | 2021-09-03 | 江苏海天微电子股份有限公司 | Intelligent detection early warning system for solar cell module junction box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01129404A (en) * | 1987-11-16 | 1989-05-22 | Fuji Electric Co Ltd | Oil reference-temperature device for oil-filled electrical equipment |
| CN201663427U (en) * | 2010-04-23 | 2010-12-01 | 浙江森得保生物制品有限公司 | Low-voltage protection circuit of solar insect-killing lamp |
| CN202329644U (en) * | 2011-11-30 | 2012-07-11 | 成都思茂科技有限公司 | Bicycle speed meter employing auxiliary solar power supply |
| CN105162410A (en) * | 2015-07-02 | 2015-12-16 | 青海盘古新能源科技有限公司 | Solar wiring box with function of constant temperature control |
-
2016
- 2016-12-29 CN CN201611246983.2A patent/CN106768410A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01129404A (en) * | 1987-11-16 | 1989-05-22 | Fuji Electric Co Ltd | Oil reference-temperature device for oil-filled electrical equipment |
| CN201663427U (en) * | 2010-04-23 | 2010-12-01 | 浙江森得保生物制品有限公司 | Low-voltage protection circuit of solar insect-killing lamp |
| CN202329644U (en) * | 2011-11-30 | 2012-07-11 | 成都思茂科技有限公司 | Bicycle speed meter employing auxiliary solar power supply |
| CN105162410A (en) * | 2015-07-02 | 2015-12-16 | 青海盘古新能源科技有限公司 | Solar wiring box with function of constant temperature control |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070402A (en) * | 2017-06-07 | 2017-08-18 | 江苏集能易新能源技术有限公司 | A kind of intelligent monitor for being integrated in photovoltaic component terminal box |
| CN108152543A (en) * | 2018-01-19 | 2018-06-12 | 国网江苏省电力有限公司宿迁供电分公司 | A kind of electric energy metering wiring box with fault alarm function |
| CN108152543B (en) * | 2018-01-19 | 2023-06-23 | 国网江苏省电力有限公司宿迁供电分公司 | Electric energy metering junction box with fault alarm function |
| CN113340339A (en) * | 2021-04-26 | 2021-09-03 | 江苏海天微电子股份有限公司 | Intelligent detection early warning system for solar cell module junction box |
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| PB01 | Publication | ||
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Application publication date: 20170531 |