CN110247626A - A kind of water-cooling type terminal box for photovoltaic power generation - Google Patents
A kind of water-cooling type terminal box for photovoltaic power generation Download PDFInfo
- Publication number
- CN110247626A CN110247626A CN201910533417.7A CN201910533417A CN110247626A CN 110247626 A CN110247626 A CN 110247626A CN 201910533417 A CN201910533417 A CN 201910533417A CN 110247626 A CN110247626 A CN 110247626A
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- connecting hole
- diode
- hole
- inlet opening
- hard
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- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 238000010248 power generation Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000002826 coolant Substances 0.000 abstract description 17
- 206010020843 Hyperthermia Diseases 0.000 abstract description 3
- 230000036031 hyperthermia Effects 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 9
- 239000003292 glue Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
- H02S40/345—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes with cooling means associated with the electrical connection means, e.g. cooling means associated with or applied to the junction box
-
- 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
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of water-cooling type terminal boxes for photovoltaic power generation, including mounting box, circuit unit and cover board can be adapted to the diode pin of different thicknesses while realizing that diode pin and conducting block are kept in contact.Present invention heat dissipation contact surface increases, and heat omnidirectional can conduct, and the efficiency of heat transfer is also higher, therefore radiating efficiency can be improved.The coolant flow structure that second drain through-hole and the first drain through-hole are formed, the case where the temperature at the both ends of diode tube body can be balanced, prevent the temperature difference between the two ends of diode tube body excessive, effectively avoid diode localized hyperthermia.While realizing effectively heat dissipation, it can guarantee the sealing performance of terminal box.Telescopic rod, extension sleeve and hard telescoping tube, hard sleeve docking wire box box body have supporting role, and compared to existing terminal box, the intensity of box body and pressure-resistant performance are also higher.
Description
Technical field
The present invention relates to photovoltaic power generation equipment fields, and in particular to a kind of water-cooling type terminal box for photovoltaic power generation.
Background technique
Photovoltaic junction box is applied on the backboard of photovoltaic module solar cell back, is connect by internal terminal with component
The power output that line and curve connection generates battery component is into external system, and outside is using electrical wiring, controller, inversion
Device, the components such as battery reuse power output to user or storage.Existing terminal box usually just with air-cooled or
Cooling fin realizes the heat conduction of junction box, and terminal box is due to preventing in outdoor, it usually needs is sealed installation, makes
Radiating efficiency it is not high, internal diode can generate a large amount of heat at runtime, cause internal temperature higher, and then influence
The performance and used life of component.
Summary of the invention
In order to solve the above technical problems, the purpose of the present invention is to provide a kind of water-cooling types for photovoltaic power generation to connect
Wire box.
The technical problems to be solved by the invention are as follows:
(1) radiating efficiency of terminal box how is improved under the premise of guaranteeing waterproof performance.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of water-cooling type terminal box for photovoltaic power generation, including mounting box, circuit unit and cover board, the circuit unit
It is used to connect the terminal strip of photovoltaic module including several, and is arranged in parallel between terminal strip, the terminal strip is electrically connected
There is conducting block, the conducting block of two adjacent terminal strips is placed with the both ends pin of diode, and the tube body of diode is placed on
On lower radiating subassembly, the lower radiating subassembly and terminal strip are fixedly connected with the inner bottom wall in mounting box；
The cover board includes sealing plate, and the upper surface of the sealing plate is fixedly connected with total water inlet and total discharge outlet, and
The lower surface of cover board is fixedly connected with to be included two and is used for the one-to-one mounting assembly of diode, each mounting assembly
By the pin of diode be clamped in diode and hold down assembly between hold down assembly and be used to limit the tube body of diode with one
The upper radiating subassembly between lower radiating subassembly and upper radiating subassembly is made, the upper radiating subassembly includes dissipating cover；
The one of corner in dissipating cover upper surface offers the first inlet opening, in the diagonal of first inlet opening
Place offers the first apopore, and the inside of dissipating cover offers connecting hole on multiple first, close to two end faces of diode tube body
First on connecting hole be connected to setting with the first inlet opening and the first apopore respectively；The inside of the lower radiating subassembly offers
The first of connecting hole lower connecting hole in matching first, connecting hole and the first lower connecting hole are by being fixedly connected on the on described first
Connection ring on one at connecting hole port removably seals the screw type for being plugged in together and collectively forming around diode tube body
Through-hole, and the first inlet opening, the first apopore, to collectively form the first drain logical for connecting hole and the first lower connecting hole on first
The upper end of hole, first inlet opening and the first apopore is fixed to be plugged with hard telescoping tube, the hard telescoping tube it is upper
End connects restraining position ring block by second spring, and the stop collar is fixedly connected on the inner sidewall of the upper end opening of hard sleeve, institute
It states hard sleeve to be movably set on hard telescoping tube, the hard sleeve of corresponding first inlet opening and total water inlet perforation connect
It connects, the hard sleeve of corresponding first apopore and the perforation of total discharge outlet connect, while hard sleeve is fixedly connected on sealing
The lower end surface of plate.
Further, described hold down assembly further includes for the insulating press boards inconsistent with diode pin, the insulation
The upper end of pressing plate is fixedly connected with telescopic rod, and the telescopic rod is arranged with extension sleeve, and the inner roof wall of extension sleeve passes through the
The connection of the upper surface of one spring and telescopic rod, the extension sleeve are fixedly connected on the lower end surface of sealing plate.
Further, the dissipating cover upper surface is additionally provided with the second inlet opening and the second apopore, second water inlet
Hole, the second apopore, the first inlet opening and the first apopore are distributed in dissipating cover upper surface in matrix, and the second inlet opening and the
Two apopores be located at same it is diagonal on, first inlet opening and the second inlet opening are located at the both ends of diode tube body,
The inside of the dissipating cover offers connecting hole on multiple second, the connecting hole point on the second of two end faces of diode tube body
Setting is not connected to the second inlet opening and the second apopore, the inside of the lower radiating subassembly offers connecting hole in matching second
The second lower connecting hole, the second lower connecting hole of connecting hole is by being fixedly connected on second at connecting hole port on described second
Connection ring removably seal the through-hole for being plugged in together and collectively forming the screw type around diode tube body, and connect on second
Connect the screw type that connecting hole and the first lower connecting hole are constituted on the through-hole and first of the screw type of hole and the second lower connecting hole composition
Through-hole rotation direction it is identical and be staggered, second inlet opening, the second apopore, connecting hole and the second lower connecting hole on second
Collectively form the second drain through-hole, second inlet opening, the second apopore upper end be connected with hard telescoping tube, hard is flexible
Pipe is connected with hard sleeve, and connect the second inlet opening, the hard telescoping tube of the second apopore and hard sleeve with connect first
The structure and mounting means of inlet opening, the hard telescoping tube of the first apopore and hard sleeve are all the same, and corresponding second water inlet
The hard sleeve and the total water inlet perforation in hole connect, and the hard sleeve of corresponding second apopore and total discharge outlet penetrate through
Connection.
Further, the outer ring side wall of the connection ring is equipped with seal washer.
Further, the dissipating cover is made with lower radiating subassembly of alumina ceramic material.
Beneficial effects of the present invention:
(1) for the realization of waterproof sealing: the realization for waterproof sealing: diode is placed on lower radiating subassembly,
Diode pin is placed on conducting block, and solar panel is connect with circuit unit, covers cover board, and close by glue fixation
Terminal box is being passed through glue fixing seal on the backboard of solar panel by envelope, and entire terminal box is in sealing state, Neng Gouti
For outstanding protective performance；
(2) pressure is provided for insulating press boards by the first spring, is realizing what diode pin and conducting block were kept in contact
Meanwhile by the axial movement of telescopic rod, it can be adapted to the diode pin of different thicknesses, and the installation and removal of diode are compared
It is more convenient in existing welding and the mode snapped connection.
(3) realization for water cooling and raising radiating efficiency: the present invention will by then passing through dissipating cover and lower radiating subassembly
Diode tube body surrounds completely, so that heat dissipation contact surface increases, heat omnidirectional can conduct, simultaneously because using heat dissipation effect
The higher material of rate, the efficiency of heat transfer is also higher, therefore radiating efficiency can be improved.Second drain through-hole and the first drain through-hole
The coolant flow structure of formation, so that the flow direction of coolant liquid is different, the coolant liquid in the first drain through-hole flows from left to right,
And the coolant liquid in the second drain through-hole flows from right to left, the two cooperates, and can balance the both ends of diode tube body
Temperature the case where preventing the temperature difference between the two ends of diode tube body excessive, effectively avoid diode localized hyperthermia, realizes effective dissipate
Heat.
(4) due to being provided with telescopic rod, extension sleeve and hard telescoping tube, hard sleeve, docking wire box box body has
Supporting role, compared to existing terminal box, the intensity of box body and pressure-resistant performance are also higher.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is explosive view of the invention；
Fig. 2 is the structural schematic diagram of circuit unit in the present invention；
Fig. 3 is the structural schematic diagram of diode in the present invention to hold down assembly；
Fig. 4 is the structural schematic diagram of the upper radiating subassembly of diode in the present invention；
Fig. 5 is Fig. 3 schematic diagram of internal structure；
Fig. 6 is the internal structure connection schematic diagram of hard sleeve and hard telescoping tube in Fig. 4；
Fig. 7 is the installation diagram of diode in the present invention, lower radiating subassembly and dissipating cover；
Fig. 8 is the reverse side perspective view of dissipating cover in Fig. 7；
Fig. 9 is that the position of the first drain through-hole and the second drain through-hole is illustrated after lower radiating subassembly is connect with upper radiating subassembly
Figure；
Figure 10 is the structural schematic diagram of the first drain through-hole in Fig. 9；
Figure 11 is the structural schematic diagram of the second drain through-hole in Fig. 9；
Figure 12 is cover board, is held down assembly and the connection schematic diagram of upper radiating subassembly.
In figure: mounting box 1, circuit unit 2, terminal strip 201, conducting block 202, diode 203, lower radiating subassembly 204, peace
Arrangement 3, the 301, insulating press boards 3011 that hold down assembly, telescopic rod 3012, extension sleeve 3013, the first spring 3014, upper heat dissipation
Component 302, dissipating cover 3021, hard telescoping tube 3022, hard sleeve 3023, second spring 3024, stop collar 3025, sealant
The 3026, first drain through-hole 3027, the first inlet opening 3027a, the first apopore 3027b, connecting hole 3027c on first are enclosed, the
Once connecting hole 3027d, the second drain through-hole 3028, the second inlet opening 3028a, the second apopore 3028b, connecting hole on second
3028c, the second lower connecting hole 3028d, connection ring 3029, cover board 4, sealing plate 401, total water inlet 402, total discharge outlet 403.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-12, present embodiments provides a kind of water-cooling type terminal box for photovoltaic power generation, including peace
The output end of mounted box 1, circuit unit 2 and cover board 4, circuit unit 2 and terminal box is electrically connected, and cover board 4 and mounting box 1 pass through glue
It is sealed fixation, and is fixed after 1 wiring of mounting box by the backboard of glue and solar panels, circuit unit 2 includes several use
It in the terminal strip 201 of connection photovoltaic module, and is arranged in parallel between terminal strip 201, terminal strip 201 is electrically connected with conducting block
202, therefore, such as Fig. 2, the terminal strip 201 of two sides is only provided with a conducting block 202, and remaining terminal strip 201 is provided with two
The conducting block 202 of a conducting block 202, two adjacent terminal strips 201 is placed with the both ends pin of diode 203, and diode
203 tube body is placed on lower radiating subassembly 204, and lower radiating subassembly 204 is fixedly connected with terminal strip 201 in mounting box 1
Inner bottom wall；
Cover board 4 includes sealing plate 401, and the upper surface of sealing plate 401 is fixedly connected with total water inlet 402 and total discharge outlet
403, by being connected to the pumping plant of total water inlet 402, it can be pumped into coolant liquid from total water inlet 402, finally from total discharge outlet
403 discharges, and the lower surface of cover board 4 is fixedly connected with and the one-to-one mounting assembly 3 of diode 203, each mounting assembly 3
Including two for the pin of diode 203 is clamped in diode 203 and hold down assembly between 301 hold down assembly 301 and
One upper radiating subassembly for being limited in the tube body of diode 203 between lower radiating subassembly 204 and upper radiating subassembly 302
302, the gap of lower radiating subassembly 204, upper radiating subassembly 302 and diode 203 can fill heat dissipating silicone grease, to improve heat dissipation effect
Rate, upper radiating subassembly 302 include dissipating cover 3021；
The one of corner in 3021 upper surface of dissipating cover offers the first inlet opening 3027a, for flowing into coolant liquid,
The diagonal angle of first inlet opening 3027a offers the first apopore 3027b, for coolant liquid, the inside of dissipating cover 3021 to be discharged
Connecting hole 3027c on multiple first is offered, the connecting hole 3027c difference on the first of 203 two end faces of tube body of diode
Setting is connected to the first inlet opening 3027a and the first apopore 3027b；The inside of lower radiating subassembly 204 offers matching first
The first of upper connecting hole 3027c descends connecting hole 3027d, and the lower connecting hole 3027d of connecting hole 3027c and first pass through fixation on first
Being connected to the connection ring 3029 on first at the port connecting hole 3027c, removably sealing is plugged in together and collectively forms around two
The through-hole of the screw type of 203 tube body of pole pipe is, it can be achieved that fix the position of diode 203, the outer ring side wall of connection ring 3029
It is equipped with seal washer.Such as Figure 10, the first inlet opening 3027a, the first apopore 3027b, connecting hole 3027c and first on first
Lower connecting hole 3027d collectively forms the first drain through-hole 3027, constitutes a complete access, the first inlet opening 3027a and the
The upper end of one apopore 3027b is fixed to be plugged with hard telescoping tube 3022, and the upper end of hard telescoping tube 3022 passes through the second bullet
Spring 3024 connects restraining position ring block 3025, and stop collar 3025 is fixedly connected on the inner sidewall of the upper end opening of hard sleeve 3023, firmly
Matter casing 3023 is movably set on hard telescoping tube 3022, realizes that hard telescoping tube 3022 is done along axis and hard sleeve 3023
Relative motion, and the size of down force pressure when installing is controlled by the elastic force of second spring 3024, it effectively prevents to diode
203 damage, the hard sleeve 3023 of corresponding first inlet opening 3027a and the perforation of total water inlet 402 connect, corresponding first water outlet
The hard sleeve 3023 of hole 3027b and the perforation of total discharge outlet 403 connect, while hard sleeve 3023 is fixedly connected on sealing plate
401 lower end surface.Coolant liquid enters from total water inlet 402, is branching to each upper radiating subassembly 302, coolant liquid sequentially passes through
Hard sleeve 3023, hard telescoping tube 3022, the first inlet opening 3027a, the lower connecting holes of connecting hole 3027c and first on first
3027d collectively forms the through-hole of screw type, the first apopore 3027b, and the coolant liquid that final multiple upper radiating subassemblies 302 are discharged is converged
Always it is discharged to total discharge outlet 403.The heat that 203 tube body of diode issues in the process of work is conducted to dissipating cover 3021 under
Radiating subassembly 204, then the coolant liquid by flowing are discharged after absorbing heat in dissipating cover 3021 and lower radiating subassembly 204, realize
The function of cooling, and it is existing different by air-cooled and cooling fin localized contact diode 203 cooling profiles, the present invention by
It then passes through dissipating cover 3021 and lower radiating subassembly 204 surrounds 203 tube body of diode completely, so that heat dissipation contact surface increases
Greatly, heat omnidirectional can conduct, simultaneously because the efficiency of heat transfer is also higher, therefore using radiating efficiency higher material
Radiating efficiency can be improved.
Hold down assembly 301 further includes for the insulating press boards 3011 inconsistent with 203 pin of diode, insulating press boards 3011
Upper end be fixedly connected with telescopic rod 3012, telescopic rod 3012 is arranged with extension sleeve 3013, and the interior top of extension sleeve 3013
Wall is connect by the first spring 3014 with the upper surface of telescopic rod 3012, and extension sleeve 3013 is fixedly connected on sealing plate 401
Lower end surface.It is that insulating press boards 3011 provide pressure by the first spring 3014, is realizing 203 pin of diode and conducting block 202
While being kept in contact, by the axial movement of telescopic rod 3012,203 pin of diode of different thicknesses can be adapted to.
3021 upper surface of dissipating cover is additionally provided with the second inlet opening 3028a and the second apopore 3028b, the second inlet opening
3028a, the second apopore 3028b, the first inlet opening 3027a and the first apopore 3027b are in square in 3021 upper surface of dissipating cover
Battle array distribution, and the second inlet opening 3028a and the second apopore 3028b be located at same it is diagonal on, the first inlet opening 3027a and the
Two inlet opening 3028a are located at the both ends of 203 tube body of diode, and the inside of dissipating cover 3021 offers to be connected on multiple second
Hole 3028c, on the second of 203 two end faces of tube body of diode connecting hole 3028c respectively with the second inlet opening 3028a and the
Two apopore 3028b connection setting, the inside of lower radiating subassembly 204 offers under second of connecting hole 3028c in matching second
Connecting hole 3028d, the second lower connecting hole 3028d of connecting hole 3028c is by being fixedly connected on connecting hole on second on second
Removably sealing is plugged in together the spiral collectively formed around 203 tube body of diode to connection ring 3029 at the port 3028c
The through-hole of type, and connected on the through-hole and first for the screw type that the lower connecting hole 3028d of connecting hole 3028c and second is constituted on second
The through-hole rotation direction for the screw type that the lower connecting hole 3027d of hole 3027c and first are constituted is identical and is staggered, such as Figure 11, second into
Water hole 3028a, the second apopore 3028b, the lower connecting hole 3028d of connecting hole 3028c and second collectively form second and lead on second
Fluid through-hole 3028, the second inlet opening 3028a, the second apopore 3028b upper end be connected with hard telescoping tube 3022, hard is flexible
Pipe 3022 is connected with hard sleeve 3023, and connects the hard telescoping tube of the second inlet opening 3028a, the second apopore 3028b
3022 and hard sleeve 3023 and the hard telescoping tube 3022 and hard that connect the first inlet opening 3027a, the first apopore 3027b
The structure and mounting means of casing 3023 are all the same, and the hard sleeve 3023 and total water inlet of corresponding second inlet opening 3028a
402 perforation connections, the hard sleeve 3023 of corresponding second apopore 3028b and the perforation of total discharge outlet 403 connect.Second drain is logical
Hole 3028 is identical as the radiating principle of 3027 coolant liquid of the first drain through-hole, the second drain through-hole 3028 and the first drain through-hole
3027 since the flow direction of coolant liquid is different, and the coolant liquid in the first drain through-hole 3027 flows from left to right, and the second drain is logical
Coolant liquid in hole 3028 flows from right to left, and the two cooperates, and can balance the temperature at the both ends of 203 tube body of diode,
The case where preventing the temperature difference between the two ends of 203 tube body of diode excessive, effectively avoiding 203 localized hyperthermia of diode.It is effectively dissipated realizing
While hot, it can guarantee the sealing performance of terminal box.
Dissipating cover 3021 is made with lower radiating subassembly 204 of alumina ceramic material.
The specific work process of the present embodiment is as follows:
1) for the realization of waterproof sealing: diode 203 being placed on lower radiating subassembly 204,203 pin of diode is put
It sets on conducting block 202, solar panel is connect with circuit unit 2, cover cover board 4, and by glue fixing seal, inciting somebody to action
Terminal box is by glue fixing seal on the backboard of solar panel；
2) realization for water-cooling effect: when covering cover board 4, the diode 203 of insulating press boards 3011 and lower section
Pin is inconsistent, due to the elastic force of the first spring 3014, is kept in contact 203 pin of diode with conducting block 202, radiates simultaneously
Lid 3021 is inserted into lower radiating subassembly 204 by connection ring 3029, fixes the position of diode 203, is formed simultaneously complete the
Two drain through-holes 3028 and the first drain through-hole 3027, and then connect the flow path of entire coolant liquid.It works in terminal box
When, total water inlet 402 connects water pump, the cooling water of low temperature is pumped into total water inlet 402, each diode 203 is right branching to
In the second drain through-hole 3028 and the first drain through-hole 3027 answered, after the heat absorption that diode 203 is issued, it is collected to total
Discharge outlet 403 is discharged.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (5)
1. a kind of water-cooling type terminal box for photovoltaic power generation, including mounting box (1), circuit unit (2) and cover board (4), special
Sign is, the circuit unit (2) includes the terminal strip (201) that several are used to connect photovoltaic module, and terminal strip (201) it
Between be arranged in parallel, the terminal strip (201) is electrically connected with conducting block (202), the conduction of two adjacent terminal strips (201)
Block (202) is placed with the both ends pin of diode (203), and the tube body of diode (203) is placed on lower radiating subassembly (204)
On, the lower radiating subassembly (204) and terminal strip (201) are fixedly connected with the inner bottom wall in mounting box (1)；
The cover board (4) includes sealing plate (401), and the upper surface of the sealing plate (401) is fixedly connected with total water inlet (402)
It is fixedly connected with and diode (203) one-to-one mounting assembly with the lower surface of total discharge outlet (403), and cover board (4)
(3), each mounting assembly (3) includes two for the pin of diode (203) to be clamped in diode (203) and is compressed
Holding down assembly (301) between component (301) and one are for being limited in lower radiating subassembly for the tube body of diode (203)
(204) the upper radiating subassembly (302) between upper radiating subassembly (302), the upper radiating subassembly (302) includes dissipating cover
(3021)；
The one of corner in dissipating cover (3021) upper surface offers the first inlet opening (3027a), described first into
The diagonal angle in water hole (3027a) offers the first apopore (3027b), and the inside of dissipating cover (3021) offers on multiple first
Connecting hole (3027c), connecting hole (3027c) is intake with first respectively on the first of diode (203) two end faces of tube body
Hole (3027a) is connected to setting with the first apopore (3027b)；The inside of the lower radiating subassembly (204) offers matching first
The first of upper connecting hole (3027c) is lower connecting hole (3027d), connecting hole (3027c) and the first lower connecting hole on described first
(3027d) removably seals grafting by being fixedly connected on the connection ring (3029) at the port connecting hole on first (3027c)
The through-hole of the screw type around diode (203) tube body, and the first inlet opening (3027a), the first water outlet are collectively formed together
Hole (3027b), connecting hole (3027c) and first lower connecting hole (3027d) collectively form the first drain through-hole (3027) on first,
The fixation of the upper end of first inlet opening (3027a) and the first apopore (3027b) is plugged with hard telescoping tube (3022), institute
The upper end for stating hard telescoping tube (3022) passes through second spring (3024) connection restraining position ring block (3025), the stop collar (3025)
It is fixedly connected on the inner sidewall of the upper end opening of hard sleeve (3023), the hard sleeve (3023) is movably set in hard and stretches
On the draw (3022), the hard sleeve (3023) of corresponding first inlet opening (3027a) and total water inlet (402) perforation connect
It connects, the hard sleeve (3023) of corresponding first apopore (3027b) and total discharge outlet (403) perforation connect, while hard
Casing (3023) is fixedly connected on the lower end surface of sealing plate (401).
2. a kind of water-cooling type terminal box for photovoltaic power generation according to claim 1, which is characterized in that the compression group
Part (301) further include for the insulating press boards (3011) inconsistent with diode (203) pin, the insulating press boards (3011)
Upper end is fixedly connected with telescopic rod (3012), and the telescopic rod (3012) is arranged with extension sleeve (3013), and extension sleeve
(3013) inner roof wall is connect by the first spring (3014) with the upper surface of telescopic rod (3012), the extension sleeve (3013)
It is fixedly connected on the lower end surface of sealing plate (401).
3. a kind of water-cooling type terminal box for photovoltaic power generation according to claim 1, which is characterized in that the dissipating cover
(3021) upper surface is additionally provided with the second inlet opening (3028a) and the second apopore (3028b), second inlet opening
(3028a), the second apopore (3028b), the first inlet opening (3027a) and the first apopore (3027b) are in dissipating cover (3021)
Upper surface in matrix be distributed, and the second inlet opening (3028a) and the second apopore (3028b) be located at same it is diagonal on, it is described
First inlet opening (3027a) and the second inlet opening (3028a) are located at the both ends of diode (203) tube body, the dissipating cover
(3021) inside offers connecting hole (3028c) on multiple second, on the second of diode (203) two end faces of tube body
Connecting hole (3028c) is connected to setting, the lower heat dissipation group with the second inlet opening (3028a) and the second apopore (3028b) respectively
The inside of part (204) offers second lower connecting hole (3028d) of connecting hole (3028c) in matching second, connects on described second
Connect second time connecting hole (3028d) connection by being fixedly connected at the port connecting hole on second (3028c) in hole (3028c)
Ring (3029) removably seals and is plugged in together the through-hole for collectively forming the screw type around diode (203) tube body, and the
Connecting hole (3027c) on the through-hole and first for the screw type that connecting hole (3028c) and second lower connecting hole (3028d) are constituted on two
The through-hole rotation direction of screw type of connecting hole (3027d) composition is identical down and is staggered with first, second inlet opening
(3028a), the second apopore (3028b), connecting hole (3028c) and second lower connecting hole (3028d) collectively form the on second
Two drain through-holes (3028), second inlet opening (3028a), the second apopore (3028b) to be connected with hard flexible for upper end
It manages (3022), hard telescoping tube (3022) is connected with hard sleeve (3023), and connects the second inlet opening (3028a), second goes out
The hard telescoping tube (3022) and hard sleeve (3023) in water hole (3028b) with connect the first inlet opening (3027a), first water outlet
The hard telescoping tube (3022) in hole (3027b) and the structure and mounting means of hard sleeve (3023) are all the same, and corresponding second
The hard sleeve (3023) of inlet opening (3028a) and total water inlet (402) perforation connect, corresponding second apopore
The hard sleeve (3023) of (3028b) and total discharge outlet (403) perforation connect.
4. a kind of water-cooling type terminal box for photovoltaic power generation according to claim 1, which is characterized in that the connection ring
(3029) outer ring side wall is equipped with seal washer.
5. a kind of water-cooling type terminal box for photovoltaic power generation according to claim 1, which is characterized in that the dissipating cover
(3021) it is made with lower radiating subassembly (204) of alumina ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910533417.7A CN110247626B (en) | 2019-06-19 | 2019-06-19 | Water-cooling type junction box for photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910533417.7A CN110247626B (en) | 2019-06-19 | 2019-06-19 | Water-cooling type junction box for photovoltaic power generation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110247626A true CN110247626A (en) | 2019-09-17 |
| CN110247626B CN110247626B (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910533417.7A Active CN110247626B (en) | 2019-06-19 | 2019-06-19 | Water-cooling type junction box for photovoltaic power generation |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202190230U (en) * | 2011-09-23 | 2012-04-11 | 昆山捷讯腾精密电子科技有限公司 | Solar photovoltaic connecting box |
| CN204332565U (en) * | 2015-01-22 | 2015-05-13 | 河南中科起重电气有限公司 | A kind of Novel resistor |
| CN106449564A (en) * | 2016-12-01 | 2017-02-22 | 中山市恒能电子科技有限公司 | Large-current rectification heat radiation equipment |
| CN208112251U (en) * | 2018-05-07 | 2018-11-16 | 北京金风科创风电设备有限公司 | (PCC) power, wind power generating set and wind power plant |
| CN108988780A (en) * | 2018-08-28 | 2018-12-11 | 湖州景盛新能源有限公司 | A kind of photovoltaic junction box improving radiating efficiency |
-
2019
- 2019-06-19 CN CN201910533417.7A patent/CN110247626B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202190230U (en) * | 2011-09-23 | 2012-04-11 | 昆山捷讯腾精密电子科技有限公司 | Solar photovoltaic connecting box |
| CN204332565U (en) * | 2015-01-22 | 2015-05-13 | 河南中科起重电气有限公司 | A kind of Novel resistor |
| CN106449564A (en) * | 2016-12-01 | 2017-02-22 | 中山市恒能电子科技有限公司 | Large-current rectification heat radiation equipment |
| CN208112251U (en) * | 2018-05-07 | 2018-11-16 | 北京金风科创风电设备有限公司 | (PCC) power, wind power generating set and wind power plant |
| CN108988780A (en) * | 2018-08-28 | 2018-12-11 | 湖州景盛新能源有限公司 | A kind of photovoltaic junction box improving radiating efficiency |
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| Publication number | Publication date |
|---|---|
| CN110247626B (en) | 2020-11-27 |
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