CN106546935B - Testing device of perforation type device - Google Patents
Testing device of perforation type device Download PDFInfo
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- CN106546935B CN106546935B CN201610886808.3A CN201610886808A CN106546935B CN 106546935 B CN106546935 B CN 106546935B CN 201610886808 A CN201610886808 A CN 201610886808A CN 106546935 B CN106546935 B CN 106546935B
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 230000003068 static effect Effects 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 42
- 239000000523 sample Substances 0.000 description 11
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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- General Physics & Mathematics (AREA)
- Photovoltaic Devices (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention provides a testing device of a perforation type device. The testing device of the perforation type device comprises a base, at least three measuring heads are distributed on the base along a first direction, conductive columns extending along the first direction are arranged on the measuring heads, each conductive column is provided with a conductive end used for extending into a corresponding perforation of the perforation type device and being conducted with the corresponding conductive column on the adjacent measuring head, and the two adjacent measuring heads can move relatively along the first direction to form a testing position. At least three measuring heads are arranged along the first direction, the adjacent measuring heads can move relatively along the first direction, at least two testing positions are formed by the three measuring heads, during testing, the perforation type device is placed in the testing positions, perforation of the perforation type device corresponds to the conductive columns of the measuring heads, the conductive ends of the corresponding conductive columns move relatively and are conducted, current passes through the perforation, and testing is completed. The testing device disclosed by the invention can realize synchronous testing of a plurality of perforated devices by clamping once, and is high in testing efficiency.
Description
Technical Field
The present invention relates to a testing device for a punch-through device.
Background
Along with the intelligent development requirement of photovoltaic power plant, intelligent photovoltaic conflux case comes along with, and intelligent photovoltaic conflux case's core is intelligent detection device, possesses the function that detects every way photovoltaic group cluster electric current, can real-time detection photovoltaic group cluster power generation state. Intelligent detection device is mostly the perforation formula detection device, fig. 1 shows photovoltaic conflux case detection device, wherein, 1 is photovoltaic conflux case detection device, 2 is the current detection hole, adopt perforation formula multichannel (generally 16 way) current sensor to detect every photovoltaic group cluster current, when having the electric current to pass from perforation formula detection device's current detection hole, intelligent detection device can detect corresponding magnetic field and output corresponding signal of telecommunication, no electric connection with the major loop, relatively concatenate resistance-type detection current scheme, no tie point, no safety risk and the trouble of itself does not influence the major loop and normally generates electricity, consequently, use extensively.
In order to ensure the accuracy of current detection of the punch-through type detection device, it is necessary to perform a test, such as an offset calibration and a gain calibration, before the punch-through type detection device is shipped, and it is necessary to form a current in the current detection hole 2.
an invention patent with application publication date of 2013, 16.10 and application publication number of CN103353311A discloses a Hall element testing device, which comprises a device frame, a movable contact seat assembled on the device frame in a guiding and moving mode along a set guiding direction, and a static contact seat fixed on the device frame, wherein a conductive post extending along the guiding direction of the movable contact seat is arranged on the movable contact seat, the conductive post is provided with a conductive section used for penetrating through a corresponding through hole on a Hall element, and a static contact corresponding to a conductive end in the guiding and moving direction of the movable contact seat is arranged on the static contact seat. The Hall element is placed on the testing device, the movable contact base drives the conductive column to move towards the fixed contact and to be in conductive contact with the fixed contact to form conductive current, testing of the Hall element is achieved, after testing is completed, the movable contact base drives the conductive column to be separated from the fixed contact, and the Hall element can be taken down from the testing device.
The Hall element testing device can realize the electrification test of the perforated device, but only one perforated device can be tested at a time, the testing efficiency is not high, and only one test can be completed at each clamping.
Disclosure of Invention
The invention aims to provide a testing device of a perforation type device, which solves the problem of low testing efficiency of the conventional testing device.
In order to achieve the purpose, the technical scheme of the testing device of the perforation type device is as follows: the utility model provides a testing arrangement of perforation formula device, includes the base, has laid at least three gauge head along the first direction on the base, is equipped with on the gauge head along the first direction extension to lead electrical pillar, leads electrical pillar and has the electrically conductive end that is used for stretching into in the corresponding perforation of perforation formula device and leads electrical pillar and switch on with the correspondence on the adjacent gauge head, and two adjacent gauge heads can follow first direction relative movement and form the test position.
Furthermore, the probe head has a plurality of conductive columns, the plurality of conductive columns are arranged on the corresponding probe head at intervals along a second direction perpendicular to the first direction, and the conductive columns on the same probe head are insulated from each other.
Further, at least one of the two corresponding conductive terminals is an elastic conductive terminal.
Furthermore, a current input positive terminal and a current output negative terminal are arranged on the base, and wires are connected between the current input positive terminal and one of the measuring heads on the two sides and between the current output negative terminal and the other of the measuring heads on the two sides.
Further, the first direction is a horizontal direction.
Furthermore, the testing device also comprises a displacement driving mechanism for driving the measuring head.
Furthermore, the testing device further comprises a guide rod extending along the first direction and used for guiding the movement of the measuring head, and the measuring head is provided with a guide hole for the guide rod to pass through.
Furthermore, the displacement driving mechanism is a crank sliding block mechanism which is composed of a crank structure hinged on the base, a connecting rod connected with the measuring head and the guide rod.
Furthermore, the base is provided with a groove structure for guiding the movement of the perforating device along the first direction.
Furthermore, the base is arranged obliquely, and the oblique direction is perpendicular to the first direction so that the punching device can move along the groove wall of the groove in a guiding mode.
The invention has the beneficial effects that: at least three measuring heads are arranged along the first direction, the adjacent measuring heads can move relatively along the first direction, at least two testing positions are formed by the three measuring heads, during testing, the perforation type device is placed in the testing positions, perforation of the perforation type device corresponds to the conductive columns of the measuring heads, the conductive ends of the corresponding conductive columns move relatively and are conducted, current passes through the perforation, and testing is completed. The testing device disclosed by the invention can realize synchronous testing of a plurality of perforated devices by clamping once, and is high in testing efficiency.
Drawings
FIG. 1 is a schematic view of a photovoltaic combiner box inspection device;
FIG. 2 is a schematic view of an embodiment of a testing apparatus for a punch-through apparatus according to the present invention;
Fig. 3 is a circuit diagram of an embodiment of a testing apparatus for a punch-through apparatus according to the present invention;
Fig. 4 is a schematic view of a first step in the use of an embodiment of the testing apparatus of the punch-through apparatus of the present invention;
FIG. 5 is a schematic representation of a second step in the use of an embodiment of the testing apparatus of the punch-through apparatus of the present invention;
Fig. 6 is a schematic view of a third step in the use of an embodiment of the testing apparatus of the punch-through apparatus of the present invention;
FIG. 7 is a diagram illustrating a fourth step of the testing apparatus of the punch-through device according to the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Fig. 2 to 7 show a specific embodiment of the testing device of the through-hole type device of the present invention, wherein 1 is a photovoltaic combiner box testing device, 2 is a current detecting hole, 3 is a supporting base, 4 is a negative terminal, 5 is a static plate threading hole, 6 is a static plate, 7 is a static plate conductive column, 8 is a conducting wire, 9 is a positive wiring column, 10 is a bump, 11 is a movable plate conductive column non-elastic end, 12 is a first movable plate, 13 is a movable plate guide sleeve, 14 is a movable plate conductive column elastic end, 15 is a second movable plate, 16 is a third movable plate, 17 is a guide bar, 18 is a guide plate, 19 is a connecting rod, 20 is a fixed base, 21 is a crank, 22 is a conducting wire bundle perforation, 23 is a handle, 24 is a mounting hole, 25 is a third movable plate conductive column, and 26 is a power supply.
In this embodiment, a photovoltaic combiner box detection device is taken as an example, and 16 current detection holes 2 are arranged on the photovoltaic combiner box detection device 1. In the present embodiment, the third movable plate 16 is a driving plate, the first movable plate 12 and the second movable plate 15 are driven plates, and the first movable plate 12 and the second movable plate 15 have the same structure. Quiet board 6 is fixed in the left side of supporting seat 3, and the extending direction of quiet board 6 is perpendicular with the extending direction of guide bar 17, is fixed with quiet board on quiet board 6 and leads electrical pillar 7, and the left end that quiet board led electrical pillar 7 is the wire incoming end, is equipped with quiet board through wires hole 5 on the wire incoming end, and the right-hand member that quiet board led electrical pillar 7 is for leading electrical terminal, and quiet board is led electrical pillar 7 and is gone up the cover and be equipped with the spring, and the spring is compressed tightly and is led between electrical terminal that electrical pillar 7 is led at quiet board 6 and quiet board. The first movable plate 12 and the second movable plate 15 are fixed with conductive columns with the same structure, one end of each conductive column on the left side of the corresponding movable plate is a movable plate conductive column non-elastic end 11, one end of each conductive column on the right side of the corresponding movable plate is a movable plate conductive column elastic end 14, a spring is pressed between the movable plate conductive column elastic end 14 and the movable plate, the third movable plate conductive column 25 is arranged on the third movable plate 16, and the third movable plate conductive column 25 is a non-elastic conductive column.
And a positive terminal 9 and a negative terminal 4 are fixed on the supporting seat 3 and used for connecting a calibration current source. In the figure 2, guide rods 17 are fixed on the upper side and the lower side of the supporting seat 3, the guide rods 17 extend in the left-right direction, the distance between the two guide rods is larger than the length of the photovoltaic combiner box detection device 1, and a certain gap is reserved, so that the photovoltaic combiner box detection device can be conveniently put in and taken out. And a collision block 10 is fixed on the right side of the static plate 6 and is used for contacting with a photovoltaic combiner box detection device. A first movable plate 12, a second movable plate 15 and a third movable plate 16 are sequentially arranged on the guide rod 17 from left to right in a penetrating manner, guide holes (not shown) are formed in the first movable plate 12, the second movable plate 15 and the third movable plate 16, guide sleeves 13 are fixed on the guide holes, and the guide sleeves 13 can slide on the guide rod 17. The conducting columns on the static plate 6, the first movable plate 12, the second movable plate 15 and the third movable plate 16 correspond to each other, the distribution distance and the distribution height are the same, the conducting columns are opposite to the current detection hole 2 of the photovoltaic header box detection device 1, so that the photovoltaic header box detection device can be contacted, matched and conducted mutually, the diameter of each conducting column is smaller than the inner diameter of the current detection hole 2, and when the two opposite conducting columns are contacted and conducted, current passes through the conducting columns but is not contacted with the current detection hole 2. And 16 groups of conductive columns are distributed at intervals in the vertical direction, and the conductive columns in each group are equidistant and insulated from each other.
A connecting rod 19 is connected to the right side of the third movable plate 16, the connecting rod 19 is connected with a crank 21, one end of the crank 21 is hinged to the connecting rod 19, the other end of the crank 21 is hinged to a fixed seat 20 on the supporting seat 3, a handle 23 is installed on a hinged shaft of the crank 21, the handle 23 is pulled upwards, the connecting rod 19 drives the third movable plate 16 to move towards the right side, the handle 23 is pressed downwards, the third movable plate 16 moves towards the left side, and the third movable plate 16 is guided by the guide rod 17 in the moving process. A harness through-hole 22 is also provided on the right side of the third moving plate 16 to allow a plurality of harnesses to be collectively passed therethrough and redirected.
As shown in fig. 3, the conducting wire starts from the positive terminal 9 and is connected to the conducting post of the third movable plate 16 through the wire bundle penetrating hole 22 on the right side of the third movable plate, meanwhile, another conducting wire passes through the conducting post of the stationary plate 6, passes through the stationary plate threading hole 5 on the left side of the stationary plate 6, and is connected to the conducting post of the third movable plate 16 through the wire bundle penetrating hole 22 again, and so on, the last conducting wire is communicated with the conducting post of the stationary plate 6 and then is communicated with the negative terminal. In this embodiment, the wires are connected in series to form a closed testing loop as shown in fig. 3, so that the same calibration current flows through the conductive posts in the same direction and the same size, the bottom of the supporting seat 3 is hollow, and the wires are hidden at the bottom, so that the upper surface of the testing device is simple and beautiful.
On the right side of the stationary plate 6 are mounted 3 striking blocks 10 defining the tested photovoltaic combiner box testing apparatus 1. The upper side and the lower side of the supporting seat 3 are also provided with guide plates 18, the guide plates 18 have a certain height, the two guide plates 18 form a groove-shaped structure, the distance between the two guide plates 18 is the same as the length of the photovoltaic combiner box detection device or slightly larger than the length of the photovoltaic combiner box detection device, and the photovoltaic combiner box detection device can only move along the extension direction of the guide rods and cannot move in the up-and-down direction after being placed. In this embodiment, the supporting seat 3 is placed on the supporting platform that is 30 inclination, and the photovoltaic combiner box detection device can slide along the deflector 18 of downside after putting into.
The working process of the embodiment of the invention is as follows: firstly, the supporting seat is fixed on a supporting platform with a slope of 30 degrees through 4 mounting holes 24, so that the photovoltaic combiner box detection device is aligned on the guide plate on the lower side under the action of gravity. The first step, the handle is pulled up, the third movable plate moves rightmost along with the right movement, then the second movable plate and the first movable plate are sequentially pushed rightmost to be close to the third movable plate, and a distance space between the static plate and the first movable plate is vacated to form a test position. And secondly, placing a first photovoltaic combiner box detection device in a distance space between the static plate and the first movable plate, pushing the photovoltaic combiner box detection device to the left of the static plate, pushing the first movable plate to move left by hand, enabling the non-elastic end of the movable plate conductive column of the first movable plate to be in contact with the conductive end of the static plate conductive column, and correspondingly vacating the distance space between the first movable plate and the second movable plate to form a test position. And thirdly, placing a second photovoltaic combiner box detection device, pushing the photovoltaic combiner box detection device to the left to be close to the first movable plate, and then pushing the second movable plate to the left by hand to enable the non-elastic end of the movable plate conductive column of the second movable plate to be in contact with the elastic end of the movable plate conductive column of the first movable plate, and correspondingly vacating a distance space between the second movable plate and the third movable plate to form a test position. And fourthly, placing a third photovoltaic combiner box detection device in a distance space between the second movable plate and the third movable plate, pushing the third photovoltaic combiner box detection device to the left to be close to the second movable plate, then pushing a handle to push the third movable plate to the left to move, firstly, enabling a conductive column of the third movable plate to be in contact with and tightly press a conductive column elastic end of a movable plate of the second movable plate, then, pushing the third movable plate to push the third photovoltaic combiner box detection device to tightly press the conductive columns of the first movable plate and the second movable plate, enabling a conductive column between the static plate and the first movable plate to be tightly pressed, finally, enabling all corresponding conductive columns to be in an elastic tight state, forming a current conduction loop shown in the figure 3, and carrying out calibration test after electrifying. After the test is finished, firstly, the handle is pulled up, after the third movable plate moves to the right, the third photovoltaic combiner box detection device is firstly moved to the right and taken out, then the second movable plate moves to the right, the second photovoltaic combiner box detection device is taken out, then the first movable plate moves to the right, and the first photovoltaic combiner box detection device is taken out after the right movement. The testing device can be used for testing three photovoltaic combiner box detection devices by one-time mounting and dismounting, is convenient to operate, greatly shortens the testing time and improves the testing efficiency.
The embodiment is suitable for testing the photovoltaic combiner box detection device, and in other embodiments, the invention is also suitable for testing other perforated devices, such as a Hall element circuit board.
In this embodiment, the stationary plate, the first movable plate, the second movable plate, and the third movable plate are all the probes, and the extending direction of the guide bar is the first direction. The arrangement direction of the plurality of conductive columns on the probe is a second direction, and the second direction is perpendicular to the first direction.
In the embodiment, the fixed sleeves are fixed in the guide holes of the first movable plate, the second movable plate and the third movable plate, and in other embodiments, the guide sleeves can be omitted, so that the machining precision of the guide holes in the measuring head is improved, and the guide is realized.
In this embodiment, the displacement driving mechanism is a crank-link mechanism, and in other embodiments, the displacement driving mechanism may be another mechanism capable of driving the stationary plate and/or the movable plate to move, such as a cylinder structure.
In this embodiment, the positive terminal is a positive terminal, and the negative terminal is a negative terminal.
in this embodiment, the supporting seat and the supporting platform constitute the base together.
In other embodiments, the limiting guide for the perforated device may be other than a groove, such as a sliding rail.
In other embodiments, multiple sets of drive mechanisms may be provided to independently drive the first, second, and third movable plates.
In other embodiments, the number of the probes may be increased or decreased according to actual situations, and the conductive columns may also be inelastic conductive columns. The number of the conductive columns is increased or decreased according to the number of the perforations of the perforation type device in actual use.
In other embodiments, the relative movement between two adjacent probes may take various forms, such as fixing one of the probes and moving the other probe or moving both probes, and the test site is formed between two adjacent probes that can move relative to each other.
In other embodiments, the first direction may be a vertical direction, and each measuring head moves along the vertical direction, and at this time, the driving structure may be cancelled, and the driving conduction to the conductive column may be completed by the dead weight of the measuring head at the uppermost end.
Claims (8)
1. The utility model provides a testing arrangement of perforation formula device, includes the base, its characterized in that: the base comprises a supporting seat and a supporting platform, at least three measuring heads are distributed on the base along a first direction, conductive columns extending along the first direction are arranged on the measuring heads, each conductive column is provided with a conductive end which is used for extending into corresponding through holes of the through hole type device and is communicated with the corresponding conductive column on the adjacent measuring head, two adjacent measuring heads can move relatively along the first direction to form a testing position, the testing device further comprises a guide rod extending along the first direction and used for guiding the movement of the measuring heads, guide holes for the guide rod to penetrate are formed in the measuring heads, the guide rods are fixed on the upper side and the lower side of the supporting seat, the guide rods extend along the left and right direction, the extending direction of the guide rods is the first direction, the measuring heads are a static plate, a first movable plate, a second movable plate and a third movable plate, the third movable plate is a driving plate, the first movable plate and the second movable plate are driven plates, and the structures of the, the fixed plate is fixed on the left side of the supporting seat, the extending direction of the fixed plate is perpendicular to the extending direction of the guide rod, the fixed plate conductive column is fixed on the fixed plate, the left end of the fixed plate conductive column is a lead access end, a fixed plate threading hole is formed in the lead access end, the right end of the fixed plate conductive column is a conductive end, a spring is sleeved on the fixed plate conductive column, and the spring is tightly pressed between the fixed plate and the conductive end of the fixed plate conductive column; the first movable plate and the second movable plate are fixed with conductive columns with the same structure, one end of each conductive column, which is located on the left side of the corresponding movable plate, is a movable plate conductive column non-elastic end, one end of each conductive column, which is located on the right side of the corresponding movable plate, is a movable plate conductive column elastic end, a spring is compressed between the movable plate conductive column elastic end and the movable plate, the third movable plate is provided with a third movable plate conductive column, and the third movable plate conductive column.
2. The apparatus for testing a punch-through device according to claim 1, wherein: the conductive columns on the measuring head are multiple, the conductive columns are arranged on the corresponding measuring head at intervals along a second direction perpendicular to the first direction, and the conductive columns on the same measuring head are mutually insulated.
3. The apparatus for testing a punch-through device according to claim 1, wherein: the base is provided with a current input positive wiring terminal and a current output negative wiring terminal, and the current input positive wiring terminal and one of the measuring heads positioned on two sides as well as the current output negative wiring terminal and the other of the measuring heads positioned on two sides are connected with wires.
4. a device for testing a punch-through device according to any one of claims 1-3, wherein: the first direction is a horizontal direction.
5. The apparatus for testing a punch-through device according to claim 4, wherein: the testing device also comprises a displacement driving mechanism for driving the measuring head.
6. The apparatus for testing a punch-through device according to claim 5, wherein: the displacement driving mechanism is a crank-slider mechanism which is composed of a crank structure hinged on the base, a connecting rod connected with the measuring head and the guide rod.
7. The apparatus for testing a punch-through device according to claim 3, wherein: the base is provided with a groove structure for guiding the movement of the perforation type device along the first direction.
8. The apparatus for testing a punch-through device according to claim 7, wherein: the base is obliquely arranged, and the oblique direction is perpendicular to the first direction so that the perforated device can move along the groove wall of the groove in a guiding mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886808.3A CN106546935B (en) | 2016-10-11 | 2016-10-11 | Testing device of perforation type device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886808.3A CN106546935B (en) | 2016-10-11 | 2016-10-11 | Testing device of perforation type device |
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| CN106546935A CN106546935A (en) | 2017-03-29 |
| CN106546935B true CN106546935B (en) | 2019-12-10 |
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| CN201610886808.3A Active CN106546935B (en) | 2016-10-11 | 2016-10-11 | Testing device of perforation type device |
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| JP2016116382A (en) * | 2014-12-17 | 2016-06-23 | 三菱電機ビルテクノサービス株式会社 | Performance inspection device and program in photovoltaic power generation system |
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| CN105301485A (en) * | 2015-07-29 | 2016-02-03 | 重庆大学 | Multi-IGBT quick power circulation accelerated aging device |
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| CN102486508A (en) * | 2010-12-02 | 2012-06-06 | 西安中科麦特电子技术设备有限公司 | Photovoltaic bus bar welding terminal testing table |
| DE202011000284U1 (en) * | 2011-02-08 | 2011-05-12 | Laing, Karsten | Function checking device for photovoltaic systems |
| CN202373605U (en) * | 2011-11-03 | 2012-08-08 | 深圳市禾望电气有限公司 | Module mounting structure for combiner box and combiner box |
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