CN205725647U - A kind of Intelligent photovoltaic array header box - Google Patents
A kind of Intelligent photovoltaic array header box Download PDFInfo
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- CN205725647U CN205725647U CN201620712095.4U CN201620712095U CN205725647U CN 205725647 U CN205725647 U CN 205725647U CN 201620712095 U CN201620712095 U CN 201620712095U CN 205725647 U CN205725647 U CN 205725647U
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- temperature
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- header box
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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
nullThe utility model discloses a kind of Intelligent photovoltaic array header box，Solve the too high problem being easily caused equipment fault of the temperature in casing，Its drip irrigation device is，Casing is provided with whether the temperature in detection case body exceedes the maximum permissible temperature temperature detecting unit with output temperature detection signal，It is coupled with on temperature detecting unit for receiving temperature detection signal and exporting the control unit of control signal，It is coupled with in control unit for receiving control signal the alarm unit in response to control signal，A kind of Intelligent photovoltaic array header box of the present utility model，Temperature detecting unit can detect the temperature in Intelligent photovoltaic array header box casing，When temperature in casing exceedes maximum permissible temperature，Alarm unit can send warning automatically，To remind staff to take appropriate measures in time，Header box is avoided to burn because temperature is too high.
Description
Technical field
This utility model relates to solar photovoltaic technology field, particularly to a kind of Intelligent photovoltaic array header box.
Background technology
At present, solar photovoltaic technology has become as the leading force of new energy field, has bigger dress every year
Machine capacity.Photovoltaic array conflux box is the indispensable part of large-sized photovoltaic electricity generation system, be used for connecting photovoltaic cell group string with
Inverter, play conflux, lightning protection, the function of communication.Using photovoltaic array conflux box can connect up with simplified system, reduction is constructed into
This, improve photovoltaic generating system efficiency, thus improve the economic benefit of photovoltaic generating system.
As it is shown in figure 1, it is Intelligent photovoltaic array header box of the prior art, it includes that negative pole input terminal fuses
Device, chopper and lightning protection device, also include that positive pole AM access module, control sample circuit module, voltage sample module and power supply are powered
Module, voltage sample module and positive pole AM access module are all connected with control sample circuit module, and voltage sample module is for defeated
Entering voltage to sample, the input of power supply module is attempted by the input of chopper, outfan and control sample circuit
Module connects, and negative pole input terminal fuse connects the negative pole of chopper, and lightning protection device is attempted by the input of chopper.
Intelligent photovoltaic array header box is during running, and the components and parts in casing can generate heat because of current work, and
And the time of operation is the longest, temperature is the highest, when temperature exceedes the maximum permissible temperature that components and parts can bear, components and parts
Performance will significantly weaken and is even burned out, and affects the normal use of Intelligent photovoltaic array header box, therefore there is also certain
Room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of Intelligent photovoltaic array header box, when the temperature in casing exceedes Gao Yun
When being permitted temperature, it is possible to automatically send warning.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of Intelligent photovoltaic array header box, including casing, the temperature that described casing is provided with in detection case body is
The no maximum permissible temperature that exceedes detects the temperature detecting unit of signal with output temperature, and described temperature detecting unit is coupled with use
In receiving temperature detection signal and exporting the control unit of control signal, described control unit is coupled with for receiving control letter
Number and in response to the alarm unit of control signal；
When the temperature in temperature detecting unit detects casing exceedes maximum permissible temperature, described control unit controls alert
Show that cell operation is to realize warning.
Using such scheme, temperature detecting unit can detect the temperature in Intelligent photovoltaic array header box casing, casing
When interior temperature exceedes maximum permissible temperature, alarm unit can send warning automatically, to remind staff to take phase in time
The measure answered, it is to avoid header box burns because temperature is too high.
As preferably, described temperature detecting unit includes temperature detecting part and has the comparing section of a reference value, described base
Quasi-value is corresponding to maximum permissible temperature；Described temperature detecting part temperature value in detection case body is with output temperature signal；Institute
State comparing section and be coupled to temperature detecting part to receive temperature signal, and export after the value of temperature signal and reference value are compared
Temperature detection signal is to control unit.
Using such scheme, comparing section provides a reference value corresponding to maximum permissible temperature, only examines when temperature
When temperature measured by survey portion exceedes maximum permissible temperature, comparing section just can make control unit control alarm unit and send warning,
To improve the accuracy of temperature detection.
As preferably, described comparing section is coupled with the regulation portion for regulating reference value.
Using such scheme, the reference value of comparing section can be adjusted, thus regulate temperature detecting unit by regulation portion
Sensitivity, to adapt to different operating mode.
As preferably, described control unit has been also coupled to for receiving control signal and in response to control signal so that warning
Unit keep duty from lock unit.
Use such scheme, the duty of alarm unit can be locked from lock unit, to continue its warning effect
Really, more hommization.
As preferably, described control unit is also coupled to for releasing the reset unit from lock unit self-locking state.
Using such scheme, reset unit can cut off from lock unit, to release the self-locking state from lock unit, it is to avoid alert
Show that unit is in alert status all the time, can prevent alarm from having influence on staff, moreover it is possible to save electric energy.
As preferably, described casing being provided with radiator fan, described radiator fan is provided with performance element, described execution
Unit is coupled to control unit to receive control signal and to start radiator fan in response to control signal.
Using such scheme, radiator fan is for dispelling the heat to casing, and performance element is for controlling opening of radiator fan
Dynamic, when the temperature in temperature detecting unit detects casing exceedes maximum permissible temperature, performance element can automatically turn on scattered
Hot-air fan, dispels the heat to casing, thus races against time for staff's maintenance that comes to the spot.
As preferably, described alarm unit is sounding alarm.
Using such scheme, sounding alarm is more eye-catching, it is simple to cause the attention of staff, with improving warning unit
Alarming effect.
As preferably, described sounding alarm includes that switch element and sounding component, described switch element are coupled to control
Unit is to receive control signal output switching signal, and described sounding component is coupled to switch element to receive switching signal and to ring
Should be in switching signal so that sounding component warns.
Use such scheme so that the integrated circuit of alarm unit is simpler, and it is more convenient to apply, and improves and can implement
Property, the simplest circuit more easy-maintaining and maintenance, improve the feasibility of scheme further.
In sum, this utility model has the advantages that temperature detecting unit can detect Intelligent photovoltaic array
Temperature in header box casing, when the temperature in casing exceedes maximum permissible temperature, alarm unit can send warning automatically, with
Staff is reminded to take appropriate measures in time, it is to avoid header box burns because temperature is too high.
Accompanying drawing explanation
Fig. 1 is the module diagram of Intelligent photovoltaic array header box in prior art；
Fig. 2 is the circuit diagram one of the present embodiment；
Fig. 3 is the circuit diagram two of the present embodiment.
In figure: 1, temperature detecting unit；2, control unit；3, alarm unit；4, temperature detecting part；5, comparing section；6, adjust
Joint portion；7, from lock unit；8, reset unit；9, radiator fan；10, performance element；11, negative pole input terminal fuse；12, disconnected
Road device；13, lightning protection device；14, positive pole AM access module；15, sample circuit module is controlled；16, voltage sample module；17, power supply supplies
Electricity module.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
As it is shown in figure 1, it is Intelligent photovoltaic array header box of the prior art, it includes negative pole input terminal fuse
11, chopper 12 and lightning protection device 13, also includes positive pole AM access module 14, controls sample circuit module 15, voltage sample module 16
All it is connected with control sample circuit module 15 with power supply module 17, voltage sample module 16 and positive pole AM access module 14, electricity
Pressure sampling module 16 is for sampling to input voltage, and the input of power supply module 17 is attempted by the input of chopper 12
End, outfan is connected with controlling sample circuit module 15, and negative pole input terminal fuse 11 connects the negative pole of chopper 12, lightning protection
Device 13 is attempted by the input of chopper 12.
A kind of Intelligent photovoltaic array header box disclosed in the present embodiment, including casing, as in figure 2 it is shown, casing is provided with use
Whether the temperature in detection case body exceedes the maximum permissible temperature temperature detecting unit 1 with output temperature detection signal, temperature
It is coupled with in detector unit 1 for receiving temperature detection signal and exporting the control unit 2 of control signal, coupling in control unit 2
It is connected to for receiving control signal the alarm unit 3 in response to control signal；In temperature detecting unit 1 detects casing
When temperature exceedes maximum permissible temperature, control unit 2 controls alarm unit 3 and works to realize warning.Temperature detecting unit 1 can
Temperature in detection Intelligent photovoltaic array header box casing, when the temperature in casing exceedes maximum permissible temperature, alarm unit 3 energy
Enough automatically send warning, to remind staff to take appropriate measures in time, it is to avoid header box burns because temperature is too high.
As in figure 2 it is shown, temperature detecting unit 1 includes temperature detecting part 4 and has the comparing section 5 of a reference value, reference value
Corresponding to maximum permissible temperature；The temperature detecting part 4 temperature value in detection case body is with output temperature signal；Comparing section 5 coupling
It is connected to temperature detecting part 4 to receive temperature signal, and the value of temperature signal and reference value are compared the detection of rear output temperature
Signal is to control unit 2.Comparing section 5 is coupled with the regulation portion 6 for regulating reference value.Regulation portion 6 can be to the base of comparing section 5
Quasi-value is adjusted, thus regulates the sensitivity of temperature detecting unit 1, to adapt to different operating mode.
As in figure 2 it is shown, temperature detecting part 4 includes critesistor Rt and the resistance R11 being connected in series, critesistor Rt's is another
One end is coupled to the other end ground connection of voltage V1, resistance R11, and critesistor Rt is arranged at the inwall of casing；Wherein critesistor
Rt is preferably negative tempperature coefficient thermistor (NTC), and the temperature i.e. detected is the highest, and its resistance is the lowest, otherwise, temperature is more
Low, resistance value is the highest；Regulation portion 6 includes resistance R12 and variable resistance Rp, and one end of resistance R12 is coupled to voltage V2, another
End is coupled to a end of variable resistance Rp, the b end ground connection of variable resistance Rp；Comparing section 5 is comparator A, and the homophase of comparator A is defeated
Entering end and be coupled to critesistor Rt and the junction point of resistance R11, inverting input is coupled to resistance R12 and the company of variable resistance Rp
Contact, outfan output temperature detection signal is to control unit 2.
As in figure 2 it is shown, critesistor Rt and resistance R11 constitutes bleeder circuit, the resistance of critesistor Rt can be along with
The change of temperature and change, thus change junction point voltage between the two, intelligence can be detected by the change of junction point voltage
Variations in temperature in energy photovoltaic array conflux box casing.Resistance R12 and variable resistance Rp also constitutes bleeder circuit, by changing
The resistance of variable resistance Rp can regulate junction point voltage between the two, thus regulates the reference value voltage of comparator A.
As in figure 2 it is shown, control unit 2 includes relay K, audion Q1 and sustained diode 3, wherein audion Q1 is excellent
Electing NPN type triode as, one end of the coil of relay K is coupled to voltage V4, and the other end is coupled to the colelctor electrode of audion Q1,
The base stage of audion Q1 is coupled to the outfan of comparator A, grounded emitter；Sustained diode 3 is anti-with the coil of relay K
In parallel.
As in figure 2 it is shown, alarm unit 3 is sounding alarm.Sounding alarm includes switch element and sounding component, switch
Element is coupled to control unit 2 to receive control signal output switching signal, and sounding component is coupled to switch element to receive
Switching signal and in response to switching signal so that sounding component warns.
As in figure 2 it is shown, wherein switch element is the normally opened contact K-1 of relay K, sounding component is preferably buzzer SP,
Also including that current-limiting resistance R10, one end of resistance R10 are coupled to voltage V5, the other end is coupled to one end of buzzer SP, buzzer
The other end of SP is coupled to one end of the normally opened contact K-1 of relay K, the other end ground connection of the normally opened contact K-1 of relay K.
As in figure 2 it is shown, control unit 2 has been also coupled to for receiving control signal and in response to control signal so that warning is single
Unit 3 keep duties from lock unit 7.From the normally opened contact K-2 that lock unit 7 is relay K, its two ends are respectively coupled to three
The colelctor electrode of pole pipe Q1 and emitter stage.
As in figure 2 it is shown, control unit 2 is also coupled to, for releasing the reset unit 8 from lock unit 7 self-locking state, reset
Unit 8 is normally closed button SB, and it is series at the emitter stage of audion Q1.
As it is shown on figure 3, be provided with radiator fan 9 on casing, radiator fan 9 is provided with performance element 10, performance element 10
It is coupled to control unit 2 to receive control signal and to start radiator fan 9 in response to control signal.
As it is shown on figure 3, the normally opened contact K-3 that performance element 10 is relay K, its power supply being series at cooling fan is returned
Road.
In sum, when the temperature in Intelligent photovoltaic array header box casing is normal, the resistance of critesistor Rt is relatively big,
At this moment the in-phase input end voltage of comparator A is less than the voltage of its inverting input, makes the temperature of comparator A output low level examine
Survey signal, to the base stage of audion Q1, makes audion Q1 end, and the coil of relay K must not be electric, the normally opened contact K-1 of its correspondence
Being in off-state with K-2, make buzzer SP not report to the police, normally opened contact K-3 is also at off-state simultaneously, and cooling fan is not
Run.
When the temperature in casing rises, the resistance of critesistor Rt reduces, make the in-phase input end voltage of comparator A with
Rising；When temperature rises to the maximum permissible temperature of Intelligent photovoltaic array header box, the in-phase input end voltage of comparator A
It is just above the reference value voltage of its inverting input, makes the temperature detection signal of comparator A output high level to audion Q1
Base stage, make audion Q1 triggering and conducting, the coil of relay K obtains electric adhesive, the normally opened contact K-1 of its correspondence Guan Bi, makes honeybee
Ring device SP sounds the alarm；Normally opened contact K-2 also closes, and makes relay K self-locking, allows alarm unit 3 keep alert status；Simultaneously
Normally opened contact K-3 closes, the current supply circuit of conducting cooling fan, makes cooling fan run, dispels the heat casing.
The contact c of variable resistance Rp is shifted to a end, the resistance of variable resistance Rp just can be made to increase, according to voltage divider principle, than
The reference value voltage of relatively device A raises；Otherwise, the contact c of variable resistance Rp is shifted to b end, just can make the resistance of variable resistance Rp
Reducing, the reference value voltage of comparator A decreases, and regulates the reference value voltage of comparator A with this.
After the temperature in casing declines, the temperature detection signal of temperature detecting unit 1 output low level is to audion
The base stage of Q1, makes audion Q1 end, and the most only need to press normally closed button SB, just can the current supply circuit of block system relay K, make to continue
The coil losing electricity of electrical equipment K resets, and normally opened contact K-1, K-2 and K-3 of its correspondence all disconnect, and make buzzer SP stop alarm, dissipates
Hot-air blower is out of service, and relay K releases self-locking state simultaneously.
Claims (8)
1. an Intelligent photovoltaic array header box, including casing, is characterized in that: described casing is provided with in detection case body
Whether temperature exceedes the maximum permissible temperature temperature detecting unit (1) with output temperature detection signal, described temperature detecting unit
(1) it is coupled with on for receiving temperature detection signal and exporting the control unit (2) of control signal, in described control unit (2)
It is coupled with for receiving control signal the alarm unit (3) in response to control signal；
When the temperature in temperature detecting unit (1) detects casing exceedes maximum permissible temperature, described control unit (2) controls
Alarm unit (3) work is to realize warning.
A kind of Intelligent photovoltaic array header box the most according to claim 1, is characterized in that: described temperature detecting unit (1)
Including temperature detecting part (4) and the comparing section (5) with a reference value, described reference value corresponds to maximum permissible temperature；Described
The temperature detecting part (4) temperature value in detection case body is with output temperature signal；Described comparing section (5) is coupled to temperature detection
Portion (4) is to receive temperature signal, and the value of temperature signal and reference value compares rear output temperature detection signal to controlling
Unit (2).
A kind of Intelligent photovoltaic array header box the most according to claim 2, is characterized in that: described comparing section (5) is coupled with
For regulating the regulation portion (6) of reference value.
A kind of Intelligent photovoltaic array header box the most according to claim 3, is characterized in that: described control unit (2) goes back coupling
Be connected to for receive control signal and in response to control signal so that alarm unit (3) keep duty from lock unit (7).
A kind of Intelligent photovoltaic array header box the most according to claim 4, is characterized in that: described control unit (2) goes back coupling
It is connected to for releasing the reset unit (8) from lock unit (7) self-locking state.
6., according to a kind of Intelligent photovoltaic array header box described in claim 1 to 5 Arbitrary Term, it is characterized in that: on described casing
Being provided with radiator fan (9), described radiator fan (9) is provided with performance element (10), and described performance element (10) is coupled to control
Unit processed (2) is to receive control signal and to start radiator fan (9) in response to control signal.
A kind of Intelligent photovoltaic array header box the most according to claim 6, is characterized in that: described alarm unit (3) is for sending out
Sound alarm subsystem.
A kind of Intelligent photovoltaic array header box the most according to claim 7, is characterized in that: described sounding alarm includes out
Closing element and sounding component, described switch element is coupled to control unit (2) to receive control signal output switching signal, institute
State sounding component and be coupled to switch element to receive switching signal and in response to switching signal so that sounding component warns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712095.4U CN205725647U (en) | 2016-06-30 | 2016-06-30 | A kind of Intelligent photovoltaic array header box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712095.4U CN205725647U (en) | 2016-06-30 | 2016-06-30 | A kind of Intelligent photovoltaic array header box |
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| Publication Number | Publication Date |
|---|---|
| CN205725647U true CN205725647U (en) | 2016-11-23 |
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| CN201620712095.4U Active CN205725647U (en) | 2016-06-30 | 2016-06-30 | A kind of Intelligent photovoltaic array header box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347101A (en) * | 2018-11-28 | 2019-02-15 | 长春光华科技发展有限公司 | A kind of power-supply controller of electric for subway gate |
-
2016
- 2016-06-30 CN CN201620712095.4U patent/CN205725647U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347101A (en) * | 2018-11-28 | 2019-02-15 | 长春光华科技发展有限公司 | A kind of power-supply controller of electric for subway gate |
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| GR01 | Patent grant |