CN207652329U - A kind of water-cooled photovoltaic DC-to-AC converter - Google Patents
A kind of water-cooled photovoltaic DC-to-AC converter Download PDFInfo
- Publication number
- CN207652329U CN207652329U CN201721906734.1U CN201721906734U CN207652329U CN 207652329 U CN207652329 U CN 207652329U CN 201721906734 U CN201721906734 U CN 201721906734U CN 207652329 U CN207652329 U CN 207652329U
- Authority
- CN
- China
- Prior art keywords
- water inlet
- water
- cooled
- outlet pipe
- photovoltaic
- 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
Classifications
-
- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
A kind of water-cooled photovoltaic DC-to-AC converter, including inverter main body, controller unit, breaker unit, IGBT power module, cooled plate, cooling water inlet pipe, cooling water outlet pipe, water inlet pipe and outlet pipe, the controller unit and breaker unit are set to the top of inverter main body, the IGBT power module is set to the lower part of inverter main body, the cooled plate is covered in the surface of IGBT power module, it is connected to cooling water inlet pipe and cooling water outlet pipe respectively in the cooled plate, the water inlet pipe and outlet pipe are placed on the lower plate of inverter main body, and it is connect respectively with cooling water inlet pipe and cooling water outlet pipe.The photovoltaic DC-to-AC converter of the utility model combines the air-cooled type of cooling using water cooling, on the surface of the main element IGBT power module of photovoltaic DC-to-AC converter, cooled plate is set, and coolant liquid is constantly passed through into cooled plate reduces the temperature of IGBT power module, fan is set in the middle part of photovoltaic DC-to-AC converter simultaneously, carries out the cooling inside photovoltaic DC-to-AC converter.
Description
Technical field
The utility model belongs to photovoltaic DC-to-AC converter technical field, and in particular, to a kind of water-cooled photovoltaic DC-to-AC converter.
Background technology
Grid-connected photovoltaic system is by photovoltaic battery matrix, header box, inverter, AC power distribution cabinet/AC distribution panel and solar tracking control
The equipment such as system processed form, and wherein inverter is by the equipment of converting direct-current power into alternating-current power.Since photovoltaic cell is direct current
Source, and network load is AC load, the electric energy of photovoltaic cell conversion needs by inverter to be exchange by DC inverter
Electricity, then supply load use.
With the development of photovoltaic power generation technology and the expansion of scale, grid connection capacity, the power of inverter are increasing, inversion
The volume of device is also increasing, installs and transports very inconvenient while cost increases.Inverter power higher grade, such as million
Current transformer more than watt grade, the heat that equipment generates when running is bigger, while to ensure the compact-sized of converter equipment, generally
Wind-cooling heat dissipating mode cannot be satisfied design requirement, how effectively to take away inverter work generate heat be photovoltaic
Power field urgent problem.
Utility model content
Purpose of utility model：The purpose of this utility model is to provide a kind of water-cooled photovoltaic DC-to-AC converter, using water cooling
The type of cooling efficiently solves the heat generated in photovoltaic DC-to-AC converter operational process, while compact overall structure, can either meet
Cooling requirements, and the power generation performance of photovoltaic DC-to-AC converter can be reached.
Technical solution：The utility model provides a kind of water-cooled photovoltaic DC-to-AC converter, including inverter main body, controller
Unit, breaker unit, IGBT power module, cooled plate, cooling water inlet pipe, cooling water outlet pipe, water inlet pipe and outlet pipe,
The controller unit and breaker unit are set to the top of inverter main body, and the IGBT power module is set to inverter
The lower part of main body, the cooled plate are covered in the surface of IGBT power module, are connected to cooling water water inlet in the cooled plate respectively
Pipe and cooling water outlet pipe, the water inlet pipe and outlet pipe be placed on the lower plate of inverter main body, and respectively with cooling water
Water inlet pipe is connected with cooling water outlet pipe.The photovoltaic DC-to-AC converter of the utility model combines the air-cooled type of cooling using water cooling,
Cooled plate is arranged in the surface of the main element IGBT power module of photovoltaic DC-to-AC converter, passes through the water inlet pipe and outlet pipe of setting, energy
Enough coolant liquids that is constantly passed through into cooled plate reduce the temperature of IGBT power module, while wind is arranged at the middle part of photovoltaic DC-to-AC converter
Fan, can carry out the cooling inside photovoltaic DC-to-AC converter, and take away the heat of water cooling plate surface, while cooled plate cools down, give
Cooled plate cools down, and can reach relatively good cooling-down effect.
Further, above-mentioned water-cooled photovoltaic DC-to-AC converter, the cooling water inlet pipe be equipped with first water inlet branch,
Second water inlet branch, first switch valve and second switch valve, the first water inlet branch and the second water inlet branch respectively with water cooling
The water inlet of plate connects, and the first switch valve is set to end of the cooling water inlet pipe close to water inlet pipe, the second switch
Valve is set to cooling water inlet pipe close to the end of the second water inlet branch.The the first water inlet branch and the second water inlet branch being arranged can
Cool down respectively to different IGBT power modules, while according to the difference of IGBT power module temperature, first can be adjusted
Switch valve and second switch valve carry out different degrees of cooling to adjust coolant rate in water inlet branch.
Further, above-mentioned water-cooled photovoltaic DC-to-AC converter, the cooling water outlet pipe be equipped with first water outlet branch,
Second water outlet branch, third switch valve and the 4th switch valve, the first water outlet branch and the second water outlet branch respectively with water cooling
The water outlet of plate connects, and the third switch valve is set to cooling water outlet pipe close to the end of the second water outlet branch, and described the
Four switch valves are set to end of the cooling water outlet pipe close to outlet pipe.The the first water outlet branch and the second water outlet branch point being arranged
The coolant liquid in cold water plate is not discharged, the third switch valve and the 4th switch valve of setting can be according to feed water flow speed adjusting water outlets
Flow velocity.
Further, the section of above-mentioned water-cooled photovoltaic DC-to-AC converter, the cooled plate is L-shaped.The L-type section of setting
Cold water plate rectangular enclosure structure is just formed by the combination of two pieces of cold water plates, the outer of IGBT power module can be located at
Portion, convenient for connection.
Further, the outer wall of above-mentioned water-cooled photovoltaic DC-to-AC converter, the cooled plate is equipped with one group of cooling fins.
The cooling fins of setting increase the cooling-down effect of cold water plate, improve the heat dissipation performance of photovoltaic DC-to-AC converter.
Further, the middle part of above-mentioned water-cooled photovoltaic DC-to-AC converter, the inverter main body is equipped with fan, the wind
Fan is placed between breaker unit and IGBT power module.Fan is set at the middle part of photovoltaic DC-to-AC converter, it is inverse photovoltaic can be increased
Become the flowing of device inner air, reduce photovoltaic DC-to-AC converter bulk temperature, while fan can also take away the heat of water cooling plate surface, reduces
The temperature of cooled plate, which is cooled plate, has more good cooling-down effect.
Further, above-mentioned water-cooled photovoltaic DC-to-AC converter, the IGBT power module are equipped with temperature sensor.If
The temperature sensor set is used to monitor the temperature of IGBT power module, according to the temperature of temperature sensor, adjusts cold in cooled plate
But flow velocity when needing to improve cooling-down effect, increases flow velocity；It, can be appropriate when weather is colder, and IGBT power module temperature is relatively low
Reduce cooling liquid speed.
Further, above-mentioned water-cooled photovoltaic DC-to-AC converter, the water inlet pipe and outlet pipe are fixed on inverse by clip
Become on the lower plate of device main body.Water inlet pipe and outlet pipe are fixed on lower plate by clip, prevent water inlet pipe and outlet pipe
It is moved in inverter main body, influences the normal use of inverter.
Further, above-mentioned water-cooled photovoltaic DC-to-AC converter, the clip include the clip ontology in U-shaped section, and
Clip ontology extends to form protrusion to the direction far from water inlet pipe or outlet pipe.The clip in the U-shaped section being arranged is convenient for and water inlet
The outer wall of pipe or outlet pipe fits together, and can achieve the effect that preferable fixed water inlet pipe or outlet pipe.
Further, under above-mentioned water-cooled photovoltaic DC-to-AC converter, the water inlet pipe and outlet pipe and inverter main body
Resilient rubbber cushion is equipped between bottom plate.The resilient rubbber cushion of setting can prevent water inlet pipe or outlet pipe and inverter lower plate
Friction, while capableing of the vibration of buffer water inlet tube or outlet pipe.
Above-mentioned technical proposal can be seen that the utility model and have the advantages that：Water cooling described in the utility model
The photovoltaic DC-to-AC converter of formula, simple and reasonable for structure, easy to use, application cost is low, and adaptability is good, using water cooling and air-cooled combination
The type of cooling, can effectively carry out the cooling of photovoltaic DC-to-AC converter, the fan of setting can drive empty in photovoltaic DC-to-AC converter main body
The flowing of gas from bottom to up, while the heat of cooled plate can be taken away, while the cooled plate in two pieces of L-type sections is just located at
The surface of IGBT power module, was both easily installed, while can effectively take away IGBT power module surface temperature, this structure dissipates
Heat structure, radiating efficiency is high, has very high promotional value.
Description of the drawings
Fig. 1 is the structural schematic diagram of water-cooled photovoltaic DC-to-AC converter described in the utility model；
Fig. 2 is the left view of water-cooled photovoltaic DC-to-AC converter described in the utility model；
Fig. 3 is the sectional view of cooled plate described in the utility model.
In figure：It is 1 inverter main body, 2 controller units, 3 breaker units, 4 IGBT power modules, 5 cooled plates, 51 cold
But fin, 6 cooling water inlet pipes, 61 first water inlet branches, 62 second water inlet branches, 63 first switch valves, 64 second switch valves,
7 cooling water outlet pipes, 71 first water outlet branches, 72 second water outlet branches, 73 third switch valves, 74 the 4th switch valves, 8 water inlets
Pipe, 9 outlet pipes, 10 fans, 11 clips, 111 clip ontologies, 112 protrusions, 12 resilient rubbber cushions, 20 temperature sensors.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
Describe the utility model and simplify to describe, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
Embodiment
Water-cooled photovoltaic DC-to-AC converter as shown in Figure 1, 2, including inverter main body 1, controller unit 2, breaker list
Member 3, IGBT power module 4, cooled plate 5, cooling water inlet pipe 6, cooling water outlet pipe 7, water inlet pipe 8 and outlet pipe 9, the control
Device unit 2 and breaker unit 3 processed are set to the top of inverter main body 1, and the IGBT power module 4 is set to inverter master
The lower part of body 1, and IGBT power module 4 is equipped with temperature sensor 20, and the cooled plate 5 is covered in IGBT power module
4 surface is connected to cooling water inlet pipe 6 and cooling water outlet pipe 7, the water inlet pipe 8 and outlet pipe in the cooled plate 5 respectively
9 are placed on the lower plate of inverter main body 1, and are connect respectively with cooling water inlet pipe 6 and cooling water outlet pipe 7；Wherein, inverse
The middle part for becoming device main body 1 is equipped with fan 10, and fan 10 is placed between breaker unit 3 and IGBT power module 4.Pass through setting
Cooled plate 5 and fan 10 form the type of cooling that air-cooled and water cooling combines, air-cooled to can speed up air stream in inverter main body 1
Dynamic, cooled plate 5 carries out fast cooling to main element IGBT power module 4.
In addition, cooling water inlet pipe 6 is equipped with the first water inlet water inlet of branch 61, second branch 62,63 and of first switch valve
Second switch valve 64, the first water inlet branch 61 and second water inlet branch 62 is connect with the water inlet of cooled plate 5 respectively, described
First switch valve 63 is set to cooling water inlet pipe 6 close to the end of water inlet pipe 8, and the second switch valve 64 is set to cooling water
Water inlet pipe 6 is close to the end of the second water inlet branch 62.Also, cooling water outlet pipe 7 goes out equipped with the first water outlet branch 71, second
Water branch 72, third switch valve 73 and the 4th switch valve 74, it is described first water outlet branch 71 and second be discharged branch 72 respectively with
The water outlet of cooled plate 5 connects, and the third switch valve 73 is set to cooling water outlet pipe 7 close to the end of the second water outlet branch 72
Portion, the 4th switch valve 74 are set to cooling water outlet pipe 7 close to the end of outlet pipe 9.
In order to ensure coolant liquid flowing constantly in cooled plate 5, it is provided with total water inlet pipe 8 and outlet pipe 9, and intake
Pipe 8 and outlet pipe 9 are fixed on by clip 11 on the lower plate of inverter main body 1.Wherein, clip 11 includes the card in U-shaped section
Ontology 111 is bound round, and clip ontology 111 extends to form protrusion 112 to the direction far from water inlet pipe 8 or outlet pipe 9.Further
, resilient rubbber cushion 12, the resilient rubbber cushion of setting are equipped between water inlet pipe 8 and outlet pipe 9 and the lower plate of inverter main body 1
12 can reduce the friction and vibration of water inlet pipe 8 and outlet pipe 9.
In addition, the section of cooled plate 5 as shown in Figure 3 is L-shaped.And in order to improve heat dissipation effect, the outer wall of cooled plate 5
It is equipped with one group of cooling fins 51.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvement can also be made, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (10)
1. a kind of water-cooled photovoltaic DC-to-AC converter, it is characterised in that：Including inverter main body（1）, controller unit（2）, open circuit
Device unit（3）, IGBT power module（4）, cooled plate（5）, cooling water inlet pipe（6）, cooling water outlet pipe（7）, water inlet pipe（8）
And outlet pipe（9）, the controller unit（2）And breaker unit（3）It is set to inverter main body（1）Top, it is described
IGBT power module（4）It is set to inverter main body（1）Lower part, the cooled plate（5）It is covered in IGBT power module（4）'s
Surface, the cooled plate（5）It is upper to be connected to cooling water inlet pipe respectively（6）And cooling water outlet pipe（7）, the water inlet pipe（8）With
Outlet pipe（9）It is placed in inverter main body（1）Lower plate on, and respectively with cooling water inlet pipe（6）And cooling water outlet pipe
（7）Connection.
2. water-cooled photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The cooling water inlet pipe（6）On
Equipped with the first water inlet branch（61）, second water inlet branch（62）, first switch valve（63）With second switch valve（64）, described first
Water inlet branch（61）With the second water inlet branch（62）Respectively with cooled plate（5）Water inlet connection, the first switch valve（63）
It is set to cooling water inlet pipe（6）Close to water inlet pipe（8）End, the second switch valve（64）It is set to cooling water inlet pipe
（6）Close to the second water inlet branch（62）End.
3. water-cooled photovoltaic DC-to-AC converter according to claim 2, it is characterised in that：The cooling water outlet pipe（7）On
Equipped with the first water outlet branch（71）, second water outlet branch（72）, third switch valve（73）With the 4th switch valve（74）, described first
It is discharged branch（71）With the second water outlet branch（72）Respectively with cooled plate（5）Water outlet connection, the third switch valve（73）
It is set to cooling water outlet pipe（7）Close to the second water outlet branch（72）End, the 4th switch valve（74）It is set to cooling
Water outlet pipe（7）Close to outlet pipe（9）End.
4. water-cooled photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The cooled plate（5）Section be L
Shape.
5. water-cooled photovoltaic DC-to-AC converter according to claim 4, it is characterised in that：The cooled plate（5）Outer wall on
Equipped with one group of cooling fins（51）.
6. water-cooled photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The inverter main body（1）In
Portion is equipped with fan（10）, the fan（10）It is placed in breaker unit（3）And IGBT power module（4）Between.
7. water-cooled photovoltaic DC-to-AC converter according to claim 6, it is characterised in that：The IGBT power module（4）On
Equipped with temperature sensor（20）.
8. water-cooled photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The water inlet pipe（8）And outlet pipe
（9）Pass through clip（11）It is fixed on inverter main body（1）Lower plate on.
9. water-cooled photovoltaic DC-to-AC converter according to claim 8, it is characterised in that：The clip（11）Including U-shaped section
The clip ontology in face（111）, and clip ontology（111）To far from water inlet pipe（8）Or outlet pipe（9）Direction extend to form it is convex
Portion（112）.
10. water-cooled photovoltaic DC-to-AC converter according to claim 9, it is characterised in that：The water inlet pipe（8）And outlet pipe
（9）With inverter main body（1）Lower plate between be equipped with resilient rubbber cushion（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721906734.1U CN207652329U (en) | 2017-12-29 | 2017-12-29 | A kind of water-cooled photovoltaic DC-to-AC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721906734.1U CN207652329U (en) | 2017-12-29 | 2017-12-29 | A kind of water-cooled photovoltaic DC-to-AC converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652329U true CN207652329U (en) | 2018-07-24 |
Family
ID=62877014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721906734.1U Expired - Fee Related CN207652329U (en) | 2017-12-29 | 2017-12-29 | A kind of water-cooled photovoltaic DC-to-AC converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110708006A (en) * | 2019-10-30 | 2020-01-17 | 徐州格利尔科技有限公司 | Novel household photovoltaic power generation device |
-
2017
- 2017-12-29 CN CN201721906734.1U patent/CN207652329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110708006A (en) * | 2019-10-30 | 2020-01-17 | 徐州格利尔科技有限公司 | Novel household photovoltaic power generation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6234595B2 (en) | Solar air conditioning system | |
| CN202856629U (en) | Locomotive converter | |
| CN206100754U (en) | Heat -dissipation system for whole unit of large -power inverter | |
| CN202309552U (en) | Power conversion device and power driving car with power conversion device | |
| CN107786101A (en) | A kind of rectification module and its ventilating and cooling equipment for nuclear power excitation unit | |
| CN202663281U (en) | Large-power current transformer power module structure | |
| CN110190232A (en) | A kind of machine Vehicular air-cooled Soft Roll power battery box | |
| CN207652329U (en) | A kind of water-cooled photovoltaic DC-to-AC converter | |
| CN207252115U (en) | A kind of liquid cooling heat radiation system of power-supply device | |
| CN206698149U (en) | High-power IGBT device electric energy reclaims heat abstractor | |
| CN208368494U (en) | Modularization multi-level converter half-bridge power unit | |
| CN216959647U (en) | Inverter with a voltage regulator | |
| CN206894512U (en) | High-power photovoltaic inverter liquid cooling is equipped | |
| CN102570778A (en) | Cooling device of high-frequency power source | |
| CN208597219U (en) | A kind of cabinet and electrical equipment | |
| CN203040087U (en) | Heat dissipation apparatus for inverter and solar energy inverter | |
| CN113364027B (en) | Energy storage module, energy storage device and power generation system | |
| CN202652082U (en) | Large power solar energy three-phase grid connected inverter | |
| CN211880292U (en) | Frequency converter for storage battery electric locomotive | |
| CN106972783A (en) | High-power IGBT device electric energy reclaims heat abstractor | |
| CN114915003A (en) | Heat dissipation device for multi-source power supply of team level | |
| CN114132196A (en) | Electric vehicle charging module | |
| CN109194156A (en) | A kind of compact is single-phase or three phase excitation power cell | |
| CN212209601U (en) | Mounting device for emergency lighting centralized power supply | |
| TWI830943B (en) | Charging module for electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20201229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |