CN206258552U - A kind of diode is in the forward and reverse device for detecting performance of photovoltaic module - Google Patents
A kind of diode is in the forward and reverse device for detecting performance of photovoltaic module Download PDFInfo
- Publication number
- CN206258552U CN206258552U CN201621253091.0U CN201621253091U CN206258552U CN 206258552 U CN206258552 U CN 206258552U CN 201621253091 U CN201621253091 U CN 201621253091U CN 206258552 U CN206258552 U CN 206258552U
- Authority
- CN
- China
- Prior art keywords
- reverse
- diode
- insulating box
- current source
- constant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model is related to a kind of diode in the forward and reverse device for detecting performance of photovoltaic module, including insulating box, positive constant-current source, reverse constant pressure source, forward and reverse converter and moisture recorder, wherein：Diode is placed in insulating box, positive constant-current source and reverse constant pressure source are electrically connected in the upper of diode, positive constant-current source, reverse constant pressure source and diodes in parallel, connected between positive constant-current source and reverse constant pressure source, forward and reverse converter is also associated with positive constant-current source, the lower end of insulating box is also connected with moisture recorder；The utility model apparatus structure is simple, is tested with reference to high temperature reverse biased and diode junction temperature, and the diode required for preferably selection meets photovoltaic junction box, i.e., forward and reverse performance can all meet the diode of component maximum demand, improve photovoltaic module qualified products rate.
Description
Technical field
The utility model is related to a kind of detection means, and in particular to a kind of diode is in the forward and reverse performance detection of photovoltaic module
Device.
Background technology
Conventional diode in electronic product, positive better performances, and in the diode applications of photovoltaic module, more noting
The reverse performance of weight, and the maximum shortcoming of Schottky diode is exactly relatively low its reverse biased, temperature is higher, and reverse leakage current is bigger,
The heat that diode is produced is also bigger, so easily thermal runaway is caused punch through, on current photovoltaic plant, bad the having of component appearance
70% above is because diode reverse performance is bad, leakage current is larger to cause diode heating to puncture, or even causes terminal box to be burnt
Ruin.
Utility model content
Technical problem to be solved in the utility model is the shortcoming for overcoming prior art, there is provided a kind of diode is in light
The volt forward and reverse device for detecting performance of component, the apparatus structure is simple, is tested with reference to high temperature reverse biased and diode junction temperature, more preferably
Selection meet photovoltaic junction box required for diode, i.e., forward and reverse performance can all meet the diode of component maximum demand,
Improve photovoltaic module qualified products rate.
In order to solve the above technical problems, the utility model provides a kind of diode in the forward and reverse performance detection of photovoltaic module
Device, including insulating box, positive constant-current source, reverse constant pressure source, forward and reverse converter and moisture recorder, wherein：
Diode is placed in insulating box, and positive constant-current source and reverse constant pressure source are electrically connected in the upper of diode, just
To constant-current source, reverse constant pressure source and diodes in parallel, connected between positive constant-current source and reverse constant pressure source, on positive constant-current source also
Forward and reverse converter is connected with, the lower end of insulating box is also connected with moisture recorder.
The utility model further limit technical scheme be：
Further, in the forward and reverse device for detecting performance of photovoltaic module, the temperature of insulating box is maintained aforementioned diodes
90℃。
In the forward and reverse device for detecting performance of photovoltaic module, the voltage of positive constant-current source is 11.25A to aforementioned diodes.
In the forward and reverse device for detecting performance of photovoltaic module, the left and right sides of insulating box is arranged with radiating circle to aforementioned diodes
Post, radiating cylinder is hollow structure, and radiating cylinder is caved inward by the surface of insulating box and formed, and the top of the cylinder that radiates is provided with scattered
Hot hole, the angle that radiating cylinder and the insulating box right flank of insulating box right flank are formed counterclockwise is acute angle.
The beneficial effects of the utility model are：
Ensure diode to be at certain temperature using insulating box in the utility model to be detected, can be with accurate inspection
Survey diode whether composite demand, the radiating cylinder in insulating box be conducive to insulation and while be also beneficial to radiating, radiate cylinder
It is recessed and incline at an acute angle, the inside is hot-air, and outside is cold air, and hot-air is flowed into outward, and tiny hole is unfavorable for
The intrusion of cold air, while also ensuring radiating well.
The setting of forward and reverse converter saves the time beneficial to the free switching between positive constant-current source and reverse constant pressure source,
Improve the efficiency of detection diode behavior.
Moisture recorder is conducive to preferably controlling the temperature of insulating box, can in real time be adjusted according to actual conditions
Match somebody with somebody, it is applied widely.
The device combination high temperature reverse biased and diode junction temperature are tested；Coordinate test mode, forward and reverse switch is accomplished
The equipment that forward current is switched to backward voltage VR in 10ms；Two grades required for preferably selection meets photovoltaic junction box
Pipe, i.e., forward and reverse performance can all meet the diode of component maximum demand.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment；
In figure：1- insulating boxs, 2- forward direction constant-current sources, the reverse constant pressure sources of 3-, the forward and reverse converters of 4-, 5- moisture recorders,
6- radiating cylinders.
Specific embodiment
Embodiment 1
A kind of diode that the present embodiment is provided is in the forward and reverse device for detecting performance of photovoltaic module, structure as shown in figure 1, bag
Positive constant-current source 2, reverse constant pressure source 3, forward and reverse converter 4 and moisture recorder 5 that insulating box 1, voltage is 11.25A are included,
Wherein：
Diode is placed in insulating box 1, and the temperature of insulating box 1 maintains 90 DEG C, reversely positive constant-current source 2 and constant pressure source
3 are electrically connected in the upper of diode, positive constant-current source 2, reverse constant pressure source 3 and diodes in parallel, positive constant-current source 2 with it is reverse
Connected between constant pressure source 3, forward and reverse converter 4 is also associated with positive constant-current source 2, the lower end of insulating box 1 is also connected with temperature note
Record instrument 5；
The left and right sides of insulating box 1 is arranged with radiating cylinder 6, and radiating cylinder 6 is hollow structure, and radiating cylinder 6 is by constant temperature
The surface of case 1 caves inward to be formed, and the top of the cylinder 6 that radiates is provided with louvre, radiating cylinder 6 and the perseverance of the right flank of insulating box 1
The angle that the right flank of incubator 1 is formed counterclockwise is acute angle.
When specific detection is implemented：
（1）The temperature of insulating box 1 is controlled in the environment of 90 DEG C, diode is placed wherein, and positive constant-current source 2 is provided
The forward current of 11.25A, and kept for 1 hour；
（2）Can be met by forward and reverse converter 4 and switch to backward voltage VR in forward current moment, during do not hit
Wear；
（3）During backward voltage is applied, diode is not breakdown, and diode temperature and leakage current are shown as declining；
（4）Diode and insulating box global design radiating are preferable, and junction temperature is needed less than 130 DEG C substantially；
（5）Qualified diode will be demarcated as by the diode for detecting.
In addition to the implementation, the utility model can also have other embodiment.All use equivalents or equivalent change
The technical scheme to be formed is changed, the protection domain of the utility model requirement is all fallen within.
Claims (4)
1. a kind of diode is in the forward and reverse device for detecting performance of photovoltaic module, it is characterised in that：Including insulating box（1）, it is positive permanent
Stream source（2）, reverse constant pressure source（3）, forward and reverse converter（4）And moisture recorder（5）, wherein：
Diode is placed on the insulating box（1）In, the positive constant-current source（2）And reverse constant pressure source（3）Be electrically connected in
Upper, the positive constant-current source of diode（2）, reverse constant pressure source（3）With the diodes in parallel, the positive constant-current source（2）
With reverse constant pressure source（3）Between connect, the positive constant-current source（2）On be also associated with forward and reverse converter（4）, the insulating box
（1）Lower end be also connected with the moisture recorder（5）.
2. diode according to claim 1 is in the forward and reverse device for detecting performance of photovoltaic module, it is characterised in that：The perseverance
Incubator（1）Temperature maintain 90 DEG C.
3. diode according to claim 1 is in the forward and reverse device for detecting performance of photovoltaic module, it is characterised in that：It is described just
To constant-current source（2）Voltage be 11.25A.
4. diode according to claim 1 is in the forward and reverse device for detecting performance of photovoltaic module, it is characterised in that：The perseverance
Incubator（1）Left and right sides be arranged with radiating cylinder（6）, the radiating cylinder（6）It is hollow structure, described radiating cylinder
（6）By insulating box（1）Surface cave inward to be formed, the radiating cylinder（6）Top be provided with louvre, the insulating box
（1）The radiating cylinder of right flank（6）With insulating box（1）The angle that right flank is formed counterclockwise is acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253091.0U CN206258552U (en) | 2016-11-22 | 2016-11-22 | A kind of diode is in the forward and reverse device for detecting performance of photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253091.0U CN206258552U (en) | 2016-11-22 | 2016-11-22 | A kind of diode is in the forward and reverse device for detecting performance of photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206258552U true CN206258552U (en) | 2017-06-16 |
Family
ID=59025298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621253091.0U Expired - Fee Related CN206258552U (en) | 2016-11-22 | 2016-11-22 | A kind of diode is in the forward and reverse device for detecting performance of photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206258552U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859204A (en) * | 2022-07-06 | 2022-08-05 | 江苏泽润新材料有限公司 | Photovoltaic junction box live-action simulation evaluation mode and testing device |
| CN117991068A (en) * | 2024-04-03 | 2024-05-07 | 浙江明禾新能科技股份有限公司 | Detection device for diode of photovoltaic junction box |
| CN117991068B (en) * | 2024-04-03 | 2024-06-11 | 浙江明禾新能科技股份有限公司 | Detection device for diode of photovoltaic junction box |
-
2016
- 2016-11-22 CN CN201621253091.0U patent/CN206258552U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859204A (en) * | 2022-07-06 | 2022-08-05 | 江苏泽润新材料有限公司 | Photovoltaic junction box live-action simulation evaluation mode and testing device |
| CN117991068A (en) * | 2024-04-03 | 2024-05-07 | 浙江明禾新能科技股份有限公司 | Detection device for diode of photovoltaic junction box |
| CN117991068B (en) * | 2024-04-03 | 2024-06-11 | 浙江明禾新能科技股份有限公司 | Detection device for diode of photovoltaic junction box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204020489U (en) | Vehicular solar semiconductor refrigerating air conditioning device | |
| CN206258552U (en) | A kind of diode is in the forward and reverse device for detecting performance of photovoltaic module | |
| CN104161470A (en) | Thermoelectric power generation barbecue oven | |
| CN203261005U (en) | LED constant-current over-temperature protection circuit and LED lamp | |
| CN204241499U (en) | Integrated anemoclinograph | |
| CN206224803U (en) | Car speed monitoring device based on technology of Internet of things | |
| CN202906549U (en) | Self-cooling vehicle-mounted charger based on hot film heat dissipation | |
| CN203435286U (en) | Electronic load instrument | |
| CN204268701U (en) | A kind of Intelligent warm air blower reception control circuit | |
| CN203421874U (en) | Semiconductor-type vehicle-mounted refrigerator with temperature capable of being regulated and displayed | |
| CN206865940U (en) | A kind of Electromechanical Control heat abstractor | |
| CN110913515B (en) | Infrared radiator and graphene heating film thereof | |
| CN205944327U (en) | Square aluminum hull or hot balance control's of box hat power lithium cell group system component | |
| CN202733770U (en) | Lighting device capable of converting heat energy into electric energy | |
| CN203980710U (en) | Temperature generating means | |
| CN203396899U (en) | Device for detecting insulating properties of aluminum foil heater | |
| CN203322909U (en) | Automatic heat dissipation LED reflector lamp | |
| CN204437964U (en) | A kind of LED street lamp with broadcast capability | |
| CN204557282U (en) | A kind of notebook bottom | |
| CN202747075U (en) | Light emitting diode with heat dissipation system | |
| CN210350036U (en) | Portable power supply device for industrial control instrument | |
| CN208859567U (en) | A kind of high energy-saving multi-layer anti-explosion LED petrol station lamp driver plate | |
| CN207381377U (en) | A kind of solar battery sheet heating unit | |
| CN108075374A (en) | Mobile waterproof power distribution cabinet | |
| CN201348402Y (en) | Portable semiconductor hot and cold tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20201122 |