CN109254213A - A kind of electric property detection device and method of intelligent assembly - Google Patents
A kind of electric property detection device and method of intelligent assembly Download PDFInfo
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- CN109254213A CN109254213A CN201811189508.5A CN201811189508A CN109254213A CN 109254213 A CN109254213 A CN 109254213A CN 201811189508 A CN201811189508 A CN 201811189508A CN 109254213 A CN109254213 A CN 109254213A
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- Prior art keywords
- intelligent assembly
- intelligent
- property detection
- module
- controller
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
Abstract
The present invention provides the electric property detection device and method of a kind of intelligent assembly, it is connected by electronic load with the output end of intelligent assembly, so that its power module is before intelligent assembly enters IV scanning process, the intelligent wiring box that photovoltaic module is intelligent assembly can be replaced to power, ensure that the switch in intelligent wiring box is closed in advance, and then scans and obtain complete curve；It is therefore not necessary to which short-circuit intelligent wiring box switchs and disassembly and installation work of the bring for intelligent wiring box in the prior art, cumbersome problem is avoided.
Description
Technical field
The present invention relates to power electronics field, in particular to the electric property detection device of a kind of intelligent assembly and side
Method.
Background technique
Photovoltaic power generation technology is widely used at home and abroad as a kind of renewable energy power generation technology；Due to series connection
Photovoltaic array have very high voltage, in order to improve photovoltaic system safety, be usually integrated on photovoltaic module and have shutdown
The intelligent wiring box of function, becomes intelligent assembly.As shown in Figure 1, in the intelligent wiring box mainly comprising sampling module, from
Photovoltaic module takes power supply, controller, drive module and at least one and the concatenated switch K1 of photovoltaic module of electricity.Work as normal work
When, controller is connected by drive module control switch K1, and photovoltaic module can export electric energy；When needing to turn off, controller
Switch K1 is controlled by drive module to disconnect, and makes the external output voltage 0 of photovoltaic module, to realize the function of safeguard protection
Energy.
Since intelligent assembly is as general components, require to carry out electrical property detection before factory, namely giving photovoltaic
An electronic load is terminated in its output while component polishing and carries out IV scanning, as shown in Figure 2；Specific testing principle is:
The resistance value of electronic load is gradually changed between infinity and zero, to realize between open circuit and short circuit for photovoltaic module
The scanning of output；The voltage and current of each point in scanning process is recorded, to depict homologous thread on host computer.Detection
In the process, it needs switch K1 to be in closed state, otherwise can not form current loop；But switch K1 from initial off-state to
Closed state needs to power to drive module, this initial power-on processes needs to spend a few tens of milliseconds；However photovoltaic module polishing
But there was only more than ten milliseconds with the process of electronic load scanning, that is to say, that during the entire process of electronic load scanning, switch K1
Be not whole all it is closure, causes to scan the curve come imperfect.
Therefore, usually intelligent wiring box is fabricated in the prior art it is detachable, when needing to do IV scanning, disassembly
Its printed circuit board, the switch K1 being shorted in Fig. 2 with a short-circuit block.It is to be detected to complete and then short-circuit block is taken away, is pacified
Intelligent wiring box is installed, prepares factory and uses.However, this scheme is cumbersome for producing line worker, it is easy to forget short
Road block leads to intelligent wiring box disabler.
Summary of the invention
The present invention provides the electric property detection device and method of a kind of intelligent assembly, cumbersome in the prior art to solve
The problem of.
To achieve the above object, technical solution provided by the present application is as follows:
A kind of electric property detection device of intelligent assembly is connected by electronic load with the output end of intelligent assembly；
The electric property detection device of the intelligent assembly includes: power module；
The power module before intelligent assembly enters IV scanning process for the intelligent wiring box of intelligent assembly for supplying
Electricity.
Preferably, the electric property detection device of the intelligent assembly further include: sampling module, controller and controllable switch；
Wherein:
The sampling module is used to detect the output voltage of intelligent assembly and is forwarded to the controller；
The controller is used to receive the power supply of the power module, and judges that intelligent assembly is according to the output voltage
No to enter IV scanning process, if judging, intelligent assembly enters IV scanning process, the controllable switch movement is controlled, to disconnect
State the circuit connection of the power supply of intelligent wiring box described in electric power source pair of module.
Preferably, the controller is used to judge whether intelligent assembly enters IV scanning process according to the output voltage
When, it is specifically used for:
Judge whether the output voltage is greater than preset threshold；
If the output voltage is greater than the preset threshold, determine that intelligent assembly enters IV scanning process.
Preferably, further includes: counnter attack module；
The counnter attack module is used for after intelligent assembly enters IV scanning process, prevents intelligent assembly from exporting electric energy to institute
State power module.
Preferably, the counnter attack module, the power module and the controllable switch are serially connected in the first branch, described
The first branch and the electronic load are connected in parallel between the output positive and negative charge of intelligent assembly；
When the controller is for controlling controllable switch movement, it is specifically used for: controls the controllable switch by powering on
When closed state be changed into off-state.
Preferably, the counnter attack module and the power module are serially connected in second branch, the second branch and institute
It states controllable switch and is connected in parallel into third branch, the third branch is connected in series in the defeated of intelligent assembly with the electronic load
Between outlet positive and negative anodes；
When the controller is for controlling controllable switch movement, it is specifically used for: controls the controllable switch by powering on
When off-state be changed into closed state.
Preferably, the power module is direct-flow voltage regulation source or Switching Power Supply.
Preferably, the counnter attack module is current-limiting resistance or diode；The conducting direction of the diode is the electricity
Source module exports the direction of electric energy to intelligent assembly.
A kind of electrical property detection method of intelligent assembly, the electric property detection device applied to intelligent assembly；
The electric property detection device of the intelligent assembly is connected by electronic load with the output end of intelligent assembly, and described
The electric property detection device of intelligent assembly includes: power module；
The electrical property detection method of the intelligent assembly includes:
The power module is powered before intelligent assembly enters IV scanning process for the intelligent wiring box of intelligent assembly.
Preferably, the electric property detection device of the intelligent assembly further include: sampling module, controller and controllable switch；
What the power module was powered before intelligent assembly enters IV scanning process for the intelligent wiring box of intelligent assembly
Simultaneously, further includes:
The power module is controller power supply；
The power module powers it before intelligent assembly enters IV scanning process for the intelligent wiring box of intelligent assembly
Afterwards, further includes:
The output voltage of the sampling module detection intelligent assembly is simultaneously forwarded to the controller；
The controller judges whether intelligent assembly enters IV scanning process according to the output voltage；
If judging, intelligent assembly enters IV scanning process, and the controller controls the controllable switch movement, to disconnect
The circuit connection of the power supply of intelligent wiring box described in the electric power source pair of module.
Preferably, the controller judges whether intelligent assembly enters IV scanning process according to the output voltage, comprising:
The controller judges whether the output voltage is greater than preset threshold；
If the output voltage is greater than the preset threshold, it is scanned that the controller determines that intelligent assembly enters IV
Journey.
Preferably, the electric property detection device of the intelligent assembly further include: counnter attack module；
The electrical property detection method of the intelligent assembly judges intelligent assembly according to the output voltage in the controller
Whether enter after IV scanning process, further includes: after intelligent assembly enters IV scanning process, prevent intelligent assembly output electricity
It can be to the power module.
Preferably, the counnter attack module, the power module and the controllable switch are serially connected in the first branch, described
The first branch and the electronic load are connected in parallel between the output positive and negative charge of intelligent assembly；
The controller controls the controllable switch movement, comprising: the controller controls the controllable switch by powering on
When closed state be changed into off-state.
Preferably, the counnter attack module and the power module are serially connected in second branch, the second branch and institute
It states controllable switch and is connected in parallel into third branch, the third branch is connected in series in the defeated of intelligent assembly with the electronic load
Between outlet positive and negative anodes；
The controller controls the controllable switch movement, comprising: the controller controls the controllable switch by powering on
When off-state be changed into closed state.
The electric property detection device of intelligent assembly provided by the invention passes through the output end phase of electronic load and intelligent assembly
Even, so that its power module is before intelligent assembly enters IV scanning process, can replace photovoltaic module is the intelligence of intelligent assembly
Energy terminal box power supply, it is ensured that the switch in intelligent wiring box is closed in advance, and then is scanned and obtained complete curve；It is therefore not necessary to
Short-circuit intelligent wiring box switchs and disassembly and installation work of the bring for intelligent wiring box in the prior art, avoids operation
Cumbersome problem.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly or in the prior art to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, it is only this that interior attached drawing, which is described below,
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the intelligent wiring box that the prior art provides；
Fig. 2 is the device connection relationship diagram when intelligent assembly that the prior art provides carries out electrical property detection；
Fig. 3 a and Fig. 3 b are that a kind of device when intelligent assembly provided in an embodiment of the present invention carries out electrical property detection connects
Relation schematic diagram；
Fig. 4 a and Fig. 4 b are another devices when intelligent assembly provided in an embodiment of the present invention carries out electrical property detection
Connection relationship diagram；
Fig. 5 and Fig. 6 be another embodiment of the present invention provides signal waveform schematic diagram；
Fig. 7 be another embodiment of the present invention provides intelligent assembly electrical property detection method flow chart.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The present invention provides a kind of electric property detection device of intelligent assembly, to solve cumbersome in the prior art ask
Topic.
Specifically, Fig. 3 a and Fig. 4 a is referred to, it is integrally disposed in intelligent assembly to have photovoltaic module and intelligent wiring box, intelligence
It include: sampling module 201, the power supply 202, controller 203, drive module 204 and at least for taking from photovoltaic module electricity in terminal box
One and the concatenated switch K1 of photovoltaic module.
In order to realize the electrical property detection for intelligent assembly, need the electrical property of the intelligent assembly provided in this embodiment
Energy detection device, is connected by electronic load R1 and the output end of intelligent assembly to be detected；It, can be in specific practical application
By the connector and replacement intelligent assembly to be detected of the plug electric property detection device, to realize for multiple intelligent assemblies
Detect respectively, without the circuit in intelligent wiring box is made change, simple and convenient, and will not additionally increase intelligent assembly at
This.
As shown in Fig. 3 a and Fig. 4 a, the electric property detection device of the intelligent assembly includes: power module 101, sampling module
102, controller 103 and controllable switch K2.
Power module 101 can be direct-flow voltage regulation source or Switching Power Supply, it is not limited to this, as long as can be in intelligence
Component can power before entering IV scanning process for the intelligent wiring box of the intelligent assembly, depending on its specific application environment
It is fixed, within the scope of protection of this application.In addition, the power module 101 also needs to power for the electric property detection device, mainly
It is to power for controller 103, to ensure that controller 103 can work normally.
After power module 101 is intelligent wiring box power supply, the controller 203 in intelligent wiring box must be electric, and then can
It is closed by 204 control switch K1 of drive module, photovoltaic module is made to have the circuit normally exported；It is swept once IV is carried out
It retouches, to after photovoltaic module polishing, photovoltaic module can export corresponding electric energy.In practical application, the environment item of IV scanning
Part is 25 degrees Celsius of temperature, can be floated up and down 2 degrees Celsius, irradiation level 1000W/m2, spatial distribution AM1.5.
Sampling module 102 can be direct sampling, is also possible to isolation sampling, is also not specifically limited herein, as long as energy
It enough detects the output voltage of intelligent assembly and forwards it to controller 103, within the scope of protection of this application.
Controller 103 is responsible for control controllable switch K2 open and close as the core of entire electric property detection device
Timing, controllable switch K2 can be transistor or relay in practical application, and according to the specific choice of controllable switch K2,
Also drive module can may be set for it, be not specifically limited herein, within the scope of protection of this application.
In order to make the intelligent assembly of connection can be realized electrical property detection, controller 103 is receiving power module 101
After power supply, specific working principle are as follows: realize the output voltage of the intelligent assembly exported according to sampling module 102, judgement
Whether intelligent assembly enters IV scanning process；If judging, intelligent assembly enters IV scanning process, in order to ensure electrical property inspection
It surveys device to be unaffected, needs to control controllable switch K2 movement at this time, changes initial shape of the controllable switch K2 when powering on
State connects the circuit that intelligent wiring box is powered to disconnect power module 101.And it is connect disconnecting 101 pairs of intelligence of power module
After the power supply of wire box, due to the drive module 204 in intelligent wiring box stored electric energy, be able to maintain that switch K1 be closed
For a period of time, to subsequent IV scanning provide output loop, so as to obtain photovoltaic module maximum open circuit voltage Voc,
Maximum short circuit current Isc, maximum power Pmax and IV scanning curve.
To sum up, the electric property detection device of the intelligent assembly provided in this embodiment passes through electronic load R1 and smart group
The output end of part is connected, so that its power module 101 before intelligent assembly enters IV scanning process, can replace photovoltaic module
It powers for the intelligent wiring box of intelligent assembly, it is ensured that the switch in intelligent wiring box is closed in advance, and then is scanned and obtained completely
Curve；It is therefore not necessary to the disassembly and installation of short-circuit intelligent wiring box switch and bring for intelligent wiring box in the prior art
Work, avoids cumbersome problem；Then after judging that intelligent assembly enters IV scanning process, pass through controller 103
Controllable switch K2 movement is controlled, power module 101 is disconnected and the circuit that intelligent wiring box is powered is connected, and then examine the electrical property
Device is surveyed to be unaffected.
Another embodiment of the present invention additionally provides a kind of electric property detection device of specific intelligent assembly, in above-mentioned implementation
On the basis of example and Fig. 3 a and Fig. 4 a, it is preferred that controller 103 judges whether intelligent assembly is swept into IV according to output voltage
When retouching process, can specifically it pass through:
Judge whether output voltage is greater than preset threshold；
If output voltage is greater than preset threshold, determine that intelligent assembly enters IV scanning process.
The IV scanning process can be the scanning process from open circuit to short circuit, be also possible to from being shorted to the scanned of open circuit
Journey is not specifically limited herein, depending on its application environment, within the scope of protection of this application.
By the output voltage of power module 101 be 20V, photovoltaic module open-circuit voltage be 45V for be illustrated, when logical
The insertion for crossing connector, it is electric first when the electric property detection device and electronic load R1 are connected to the output end of intelligent assembly
Source module 101 will export the output end of 20V voltage to intelligent assembly, so make controller 203 it is electric, can by drive mould
204 control switch K1 of block closure.When start to intelligent assembly carry out IV scanning when, photovoltaic module by illumination, pass through switch K1
Electric energy is exported to the output end of intelligent assembly, it is more than preset threshold that the voltage of intelligent assembly output end, which will will become 45V, at this time,
Controller 103 will determine that therefrom intelligent assembly comes into IV scanning process.
In addition, in order to ensure the anti-power module 101 filled to output voltage 20V of the 45V open-circuit voltage of photovoltaic module, the electricity
Device for detecting performance should also include: counnter attack module 104, as shown in Fig. 3 a and Fig. 4 a.
In practical application, which can be current-limiting resistance, and (R2 in such as Fig. 4 b, resistance value can be 20 Europe
Nurse) and diode (D1 in such as Fig. 3 b), the conducting direction of diode is the side that power module 101 exports electric energy to intelligent assembly
To；It is not limited in both forms, it can be depending on its specific application environment, within the scope of protection of this application.
The counnter attack module 104 is used for after intelligent assembly enters IV scanning process, prevents intelligent assembly output electric energy extremely
Power module 101.Due to the presence of the counnter attack module 104, even if because sampling time delay causes controllable switch K2 to disconnect not in time,
Also it is unlikely to make the output voltage of photovoltaic module is counter to fill to power module 101.
Remaining principle is same as the previously described embodiments, no longer repeats one by one herein.
Another embodiment of the present invention additionally provides the electric property detection device of the intelligent assembly of other two kinds of concrete forms, i.e.,
The form (as shown in Figure 3a and Figure 3b shows) in parallel with electronic load R1, and, with the concatenated form of electronic load R1 (such as Fig. 4 a and
Shown in Fig. 4 b).
Fig. 3 a and Fig. 3 b is referred to, counnter attack module 104, power module 101 and controllable switch K2 are serially connected in first
Branch, the first branch and electronic load R1 are connected in parallel between the output positive and negative charge of intelligent assembly；Under this form, control
Device 103 is when controlling controllable switch K2 movement, specifically: closed state when control controllable switch K2 is by powering on is changed into disconnection
State.
For Fig. 3 a and Fig. 3 b, the output voltage with power module 101 be 20V, photovoltaic module open-circuit voltage be that 45V is
Example is illustrated, and when the insertion by connector, the electric property detection device and electronic load R1 are connected in parallel to intelligent assembly
Output end (as shown in the A point and B point in Fig. 3 b) when, t0 moment power module 101 will export 20V voltage to controller
103, controller 103 will control controllable switch K2 closure after powering on；After controllable switch K2 closure, power module 101 can be exported
20V voltage to intelligent assembly output end so that controller 203 it is electric, switch K1 t1 to during t2 by the beginning of powering on
It is closed after beginningization about 40mS；The voltage at the both ends electronic load R1 is 20V at this time.When start to intelligent assembly carry out IV scanning
When, t3 moment photovoltaic module exports electric energy by illumination, by switch K1 to the output end of intelligent assembly, at this time electronic load R1
The voltage of both ends and intelligent assembly output end will will become 45V, and after being detected by sampling module 102, controller 103 judges that it is super
Preset threshold is crossed, and then controls controllable switch K2 and disconnects, cuts off the connection between intelligent assembly output end and power module 101.
Switch K1 inside intelligent wiring box is because storing certain energy and can maintain more than ten milliseconds of closed state early period, to subsequent
IV scanning provides the output loop being made of electronic load R1 and switch K1；If t3 sweeps to short-circuit progress from open circuit to during t4
IV scanning, then specific signal waveform is as shown in Figure 5.
Referring to Fig. 4 a and Fig. 4 b, counnter attack module 104 and power module 101 are serially connected in second branch, and second
Road and controllable switch K2 are connected in parallel into third branch, and third branch and electronic load R1 are connected in series in the output of intelligent assembly
Rectify between cathode；Under this form, controller 103 is when controlling controllable switch K2 movement, specifically: control controllable switch K2
Off-state when by powering on is changed into closed state.
For Fig. 4 a and Fig. 4 b, the output voltage with power module 101 be 20V, photovoltaic module open-circuit voltage be that 45V is
Example is illustrated, and when the insertion by connector, the electric property detection device and electronic load R1 are connected to intelligent assembly
Output end (as shown in the A point and B point in Fig. 4 b) when, t0 moment power module 101 will export 20V voltage to controller
103, controller 103 disconnects control controllable switch K2 after powering on；After controllable switch K2 is disconnected, power module 101 can be exported
20V voltage adds to the output end of intelligent assembly by current-limiting resistance R2 and electronic load R1, so that controller 203 must be electric,
Switch K1 is closed in t0 to after passing through power-up initializing about 40mS during t1；The voltage of the output end of intelligent assembly at this time
(voltage in Fig. 4 b between AB two o'clock) is 20V, and the voltage (voltage in Fig. 4 b between AC two o'clock) at the both ends electronic load R1 is
0V.When starting to carry out IV scanning to intelligent assembly, t2 moment photovoltaic module exports electric energy by illumination, by switch K1 to intelligence
The output end of energy component, the voltage of intelligent assembly output end will will become 45V at this time, after being detected by sampling module 102, control
Device 103 judges that it is more than preset threshold, and then controls controllable switch K2 closure, and power module 101 is bypassed.In intelligent wiring box
The switch K1 in portion is provided because storing certain energy and can maintain more than ten milliseconds of closed state early period to subsequent IV scanning
The output loop being made of electronic load R1, controllable switch K2 and switch K1；If t2 sweeps to short-circuit progress from open circuit to during t3
IV scanning, then specific signal waveform is as shown in Figure 6.
Remaining principle is same as the previously described embodiments, no longer repeats one by one herein.
Another embodiment of the present invention additionally provides a kind of electrical property detection method of intelligent assembly, is applied to Fig. 3 a to Fig. 4 b
Shown in electric property detection device；The electric property detection device of the intelligent assembly passes through the output of electronic load R1 and intelligent assembly
End is connected, and the electric property detection device of intelligent assembly includes: power module 101, sampling module 102, controller 103 and controllable
Switch K2.
As shown in fig. 7, the electrical property detection method of the intelligent assembly includes:
S101, power module are controller power supply, and are intelligent assembly before intelligent assembly enters IV scanning process
Intelligent wiring box power supply；
S102, sampling module detect the output voltage of intelligent assembly and are forwarded to controller；
S103, controller judge whether intelligent assembly enters IV scanning process according to output voltage；
If judging, intelligent assembly enters IV scanning process, thens follow the steps S104；
S104, controller control controllable switch movement, to disconnect the circuit connection of electric power source pair of module intelligent wiring box power supply.
Preferably, as shown in fig. 7, step S103 includes:
S301, controller judge whether output voltage is greater than preset threshold；
If output voltage is greater than preset threshold, S302 is thened follow the steps；
S302, controller determine that intelligent assembly enters IV scanning process.
Preferably, the electric property detection device of intelligent assembly further include: counnter attack module；
The electrical property detection method of the intelligent assembly, after step s 103, further includes: enter IV in intelligent assembly and sweep
After retouching process, prevent intelligent assembly from exporting electric energy to power module.
If counnter attack module, power module and controllable switch are serially connected in the first branch, the first branch and electronic load are simultaneously
Connection is connected between the output positive and negative charge of intelligent assembly；The then controller control controllable switch movement in step S104, comprising:
Controller controls closed state of the controllable switch by powering on when and is changed into off-state；
If counnter attack module and power module are serially connected in second branch, second branch and controllable switch are connected in parallel into the
Three branches, third branch and electronic load are connected in series between the output positive and negative charge of intelligent assembly；Then in step S104
Controller controls controllable switch movement, comprising: controller controls off-state of the controllable switch by powering on when and is changed into closed form
State.
Remaining principle is same as the previously described embodiments, no longer repeats one by one herein.
Each embodiment is described in a progressive manner in the present invention, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
More than, it is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention.Anyone skilled in the art,
It does not depart under technical solution of the present invention ambit, all using the methods and technical content of the disclosure above to the technology of the present invention side
Case makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all without departing from the present invention
The content of technical solution, according to the technical essence of the invention it is made to the above embodiment it is any it is simple modification, equivalent variations and
Modification, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (14)
1. a kind of electric property detection device of intelligent assembly, which is characterized in that pass through the output end of electronic load and intelligent assembly
It is connected；
The electric property detection device of the intelligent assembly includes: power module；
The power module before intelligent assembly enters IV scanning process for the intelligent wiring box of intelligent assembly for powering.
2. the electric property detection device of intelligent assembly according to claim 1, which is characterized in that the electricity of the intelligent assembly
Device for detecting performance further include: sampling module, controller and controllable switch；Wherein:
The sampling module is used to detect the output voltage of intelligent assembly and is forwarded to the controller；
The controller is used to receive the power supply of the power module, and according to the output voltage judge intelligent assembly whether into
Enter IV scanning process, intelligent assembly enters IV scanning process if judging, the controllable switch movement is controlled, to disconnect the electricity
Source module connects the circuit that the intelligent wiring box is powered.
3. the electric property detection device of intelligent assembly according to claim 2, which is characterized in that the controller is used for root
When judging whether intelligent assembly enters IV scanning process according to the output voltage, it is specifically used for:
Judge whether the output voltage is greater than preset threshold；
If the output voltage is greater than the preset threshold, determine that intelligent assembly enters IV scanning process.
4. the electric property detection device of intelligent assembly according to claim 2 or 3, which is characterized in that further include: anti-reverse
Block；
The counnter attack module is used for after intelligent assembly enters IV scanning process, prevents intelligent assembly from exporting electric energy to the electricity
Source module.
5. the electric property detection device of intelligent assembly according to claim 4, which is characterized in that the counnter attack module, institute
It states power module and the controllable switch is serially connected in the first branch, the first branch is connected in parallel with the electronic load
Between the output positive and negative charge of intelligent assembly；
When the controller is for controlling controllable switch movement, it is specifically used for: when controlling the controllable switch by powering on
Closed state is changed into off-state.
6. the electric property detection device of intelligent assembly according to claim 4, which is characterized in that the counnter attack module and institute
It states power module and is serially connected in second branch, the second branch and the controllable switch are connected in parallel into third branch, institute
It states third branch and the electronic load is connected in series between the output positive and negative charge of intelligent assembly；
When the controller is for controlling controllable switch movement, it is specifically used for: when controlling the controllable switch by powering on
Off-state is changed into closed state.
7. the electric property detection device of intelligent assembly according to claim 1, which is characterized in that the power module is straight
Flow source of stable pressure or Switching Power Supply.
8. the electric property detection device of intelligent assembly according to claim 4, which is characterized in that the counnter attack module is limited
Leakage resistance or diode；The conducting direction of the diode is the direction that the power module exports electric energy to intelligent assembly.
9. a kind of electrical property detection method of intelligent assembly, which is characterized in that the electric property detection device applied to intelligent assembly；
The electric property detection device of the intelligent assembly is connected by electronic load with the output end of intelligent assembly, and the intelligence
The electric property detection device of component includes: power module；
The electrical property detection method of the intelligent assembly includes:
The power module is powered before intelligent assembly enters IV scanning process for the intelligent wiring box of intelligent assembly.
10. the electrical property detection method of intelligent assembly according to claim 9, which is characterized in that the intelligent assembly
Electric property detection device further include: sampling module, controller and controllable switch；
While the power module is powered before intelligent assembly enters IV scanning process for the intelligent wiring box of intelligent assembly,
Further include:
The power module is controller power supply；
After the power module is powered before intelligent assembly enters IV scanning process for the intelligent wiring box of intelligent assembly, also
Include:
The output voltage of the sampling module detection intelligent assembly is simultaneously forwarded to the controller；
The controller judges whether intelligent assembly enters IV scanning process according to the output voltage；
If judging, intelligent assembly enters IV scanning process, and the controller controls the controllable switch movement, described in disconnecting
The circuit connection of the power supply of intelligent wiring box described in electric power source pair of module.
11. the electrical property detection method of intelligent assembly according to claim 10, which is characterized in that the controller according to
The output voltage judges whether intelligent assembly enters IV scanning process, comprising:
The controller judges whether the output voltage is greater than preset threshold；
If the output voltage is greater than the preset threshold, the controller determines that intelligent assembly enters IV scanning process.
12. the electrical property detection method of intelligent assembly described in 0 or 11 according to claim 1, which is characterized in that the smart group
The electric property detection device of part further include: counnter attack module；
Whether the electrical property detection method of the intelligent assembly judges intelligent assembly according to the output voltage in the controller
Into after IV scanning process, further includes: after intelligent assembly enters IV scanning process, prevent intelligent assembly output electric energy extremely
The power module.
13. the electrical property detection method of intelligent assembly according to claim 12, which is characterized in that the counnter attack module,
The power module and the controllable switch are serially connected in the first branch, and the first branch is in parallel with the electronic load to be connected
It is connected between the output positive and negative charge of intelligent assembly；
The controller controls the controllable switch movement, comprising: when the controller controls the controllable switch by powering on
Closed state is changed into off-state.
14. the electrical property detection method of intelligent assembly according to claim 12, which is characterized in that the counnter attack module with
The power module is serially connected in second branch, and the second branch and the controllable switch are connected in parallel into third branch,
The third branch and the electronic load are connected in series between the output positive and negative charge of intelligent assembly；
The controller controls the controllable switch movement, comprising: when the controller controls the controllable switch by powering on
Off-state is changed into closed state.
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