CN207339667U - Inverter - Google Patents
Inverter Download PDFInfo
- Publication number
- CN207339667U CN207339667U CN201721450810.2U CN201721450810U CN207339667U CN 207339667 U CN207339667 U CN 207339667U CN 201721450810 U CN201721450810 U CN 201721450810U CN 207339667 U CN207339667 U CN 207339667U
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- Prior art keywords
- heat
- inverter
- housing
- conducting piece
- circuits
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Abstract
The disclosure provides a kind of inverter, including housing, main part, the DC/DC translation circuits being connected with the main part, DC/AC inverter circuits and heat-conducting piece, the heat-conducting piece are also connected with the DC/DC translation circuits and/or DC/AC inverter circuits.By casting glue, the embedding in the housing is molded as one the main part with the DC/DC translation circuits, DC/AC inverter circuits and heat-conducting piece, and the casting glue and the heat-conducting piece are used for the heat transfer that the inverter produces to the housing.The heat that the inverter that the disclosure provides produces is transferred to housing through heat-conducting piece, casting glue and radiates, and realizes uniform, quick conductive the purpose of heat, improves the radiating efficiency of inverter.
Description
Technical field
This disclosure relates to inverter technology field, more particularly to a kind of inverter.
Background technology
Inverter is that direct current (battery, battery) is transformed into alternating current (generally 220V, 50Hz sine waves).It by
Inverter bridge, control logic and filter circuit etc. form.
In correlation technique, the heat dissipation of inverter is to carry out forced heat radiation by fan.Not only volume is big for inverter, its fan
Noise, and absorption dust etc. inside flabellum can be produced in operation, can be accelerated the aging of fan, be caused damage of product.
Utility model content
The disclosure provides a kind of heat dissipation performance high inverter, to solve the deficiency in correlation technique.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of inverter, including housing, main part, with the main body
The DC/DC translation circuits (DC-DC transfer circuit) of portion's connection, DC/AC inverter circuits (DC-AC inverter circuit) and lead
Warmware, the heat-conducting piece are also connected with the DC/DC translation circuits and/or DC/AC inverter circuits；
The main part is with the DC/DC translation circuits, DC/AC inverter circuits and heat-conducting piece by casting glue in the shell
Internal embedding is molded as one, and the casting glue and the heat-conducting piece are used for the heat transfer that the inverter produces to described
Housing；
The heat-conducting piece includes supporting part and blade, and the first end of the supporting part is connected with the main part, the branch
The second end of support part is connected with the blade.
Optionally, the blade is at least provided with one.
Optionally, the casting glue is filled in the inside of the housing, and is connected with the madial wall of the housing.
Optionally, multiple blades are arranged along the length direction of the supporting part, and the length edge of multiple blades
Successively decrease in the direction of first end away from the supporting part.
Optionally, the supporting part includes two connecting portions, and two connecting portions are arranged at intervals and one end connects, described
The bottom of two connecting portions is respectively equipped with locating piece, and two locating pieces shift to install.
Optionally, the heat-conducting piece is equipped with two, and a heat-conducting piece is connected with the DC/AC inverter circuits, another
A heat-conducting piece is connected with DC/AC inverter circuits.
Optionally, the transistor of the DC/AC inverter circuits and/or the DC/AC inverter circuits is fitted in the heat conduction
On on part；Be equipped with accommodating space between the blade and the main part, the transistor be located in the accommodating space and with
The heat-conducting piece connection.
Optionally, the transistor of the DC/AC inverter circuits and/or the DC/AC inverter circuits is using MOSFET pipe (gold
Category-oxide semiconductor field effect transistor).
Optionally, the heat-conducting piece includes supporting part and blade, and the first end of the supporting part is connected with the main part,
The second end of the supporting part is connected with the blade；Accommodating space is equipped between the blade and the main part, it is described
MOSFET pipes are connected in the accommodating space and with the heat-conducting piece.
Optionally, the DC/AC inverter circuits are push-pull circuit.
Optionally, the main part is also associated with least one USB charging interfaces.
Optionally, the housing includes being used to house the main part, DC/DC translation circuits, DC/AC inverter circuits and lead
First housing of warmware, and second housing affixed with first housing, the second shell body is interior to be inserted equipped with AC power
Mouthful.
Optionally, the case lid, which further includes, is covered on second housing and is detachably connected with second housing
The 3rd housing, is equipped with least one USB charging interfaces in the 3rd housing, the 3rd case lid is arranged on the second shell
When on body, at least partly second housing and the USB charging interfaces are contained in the 3rd housing.
The technical solution that the disclosure provides can include the following benefits：
The heat that the inverter that the disclosure provides produces is transferred to housing through heat-conducting piece, casting glue and radiates, and realizes
Uniform, quick conductive the purpose of heat, improves the radiating efficiency of inverter.
Brief description of the drawings
Fig. 1 is a kind of explosive view of inverter shown in one exemplary embodiment of the disclosure.
Fig. 2 is a kind of partial exploded view of inverter shown in one exemplary embodiment of the disclosure.
Fig. 3 is the schematic diagram of Fig. 2 opposite sides.
Fig. 4 is a kind of heat-conducting piece schematic perspective view shown in one exemplary embodiment of the disclosure.
Fig. 5 is a kind of heat-conducting piece schematic perspective view shown in disclosure another exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
It is only merely for the purpose of description specific embodiment in the term that the disclosure uses, and is not intended to be limiting the disclosure.
" one kind " of singulative used in disclosure and the accompanying claims book, " described " and "the" are also intended to including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
Containing the associated list items purpose of one or more, any or all may be combined.
As shown in Figures 1 to 4, the inverter 100 that the disclosure provides, including housing 2, main part 1, with the main part 1
DC/DC translation circuits 5, DC/AC inverter circuits 6 and the heat-conducting piece 3 of connection.The main part 1 passes through connector 4 and external equipment
Connection.The main part 1 is circuit board, which is provided with step-up transformer and other circuits etc..Other described circuits are included but not
It is limited to the isolation boosting circuit being electrically connected with the DC/DC translation circuits 5, the rectification filter being electrically connected with the isolation boosting circuit
Wave circuit, the current rectifying and wave filtering circuit are electrically connected with the DC/AC inverter circuits 6.The main part 1 further includes prime control circuit
With the circuit such as input protection circuit, inversion control and output overcurrent, power detection.Main part 1 by the detection to input voltage,
Carry out input undervoltage protection and input overvoltage protection；Main part 1 passes through the output current to inverter 100, the inspection of output power
Survey, when overpower, which occurs, for inverter 100 uses or export generation short trouble, inverter 100 closes exchange output, to protect
Inverter 100.
The heat-conducting piece 3 is also connected with the DC/DC translation circuits 5 and/or DC/AC inverter circuits 6, the heat-conducting piece 3
For the heat absorption for producing the DC/DC translation circuits 5 and DC/AC inverter circuits 6 and export.The disclosure is by the main body
Portion 1 and the DC/DC translation circuits 5, DC/AC inverter circuits 6 and heat-conducting piece 3 are placed in the housing 2, by casting glue by institute
Main part 1 is stated to be molded as one with the DC/DC translation circuits 5, DC/AC inverter circuits 6 and 3 embedding of heat-conducting piece.The embedding
There is waterproof and dampproof glue, dust-proof, insulation, heat conduction, secrecy, anticorrosion, heatproof, shockproof, thus filled by the casting glue
The heat that the inverter 100 of envelope produces can directly transfer heat to the casting glue.What the inverter 100 produced
Heat can also be transferred to the heat-conducting piece 3, and heat is passed uniformly be handed to the casting glue again by the heat-conducting piece 3, wherein institute
Stating heat-conducting piece 3 has the advantages that to accelerate heat transfer.Since the casting glue has thermal conductivity, can cause in the inverter 100
The even heat that portion produces is distributed in the casting glue.
The casting glue is filled in the inside of the housing 2, and is connected with the madial wall of the housing 2, thus the filling
The heat transfer that the inverter 100 produces to the housing 2, the housing 2 can be carried out heat loss through convection by sealing with air, from
And realize the integral heat sink of inverter 100.The heat exchange resistance value of the casting glue and the housing 2 is relatively low, and heat exchanger effectiveness is high,
Therefore 100 internal heat of inverter can be realized by casting glue is uniformly distributed.The inverter 100 is by homogenizing it
The heat of inside simultaneously carries out heat exchange with the housing 2, is radiated using the housing 2, can not only improve radiating efficiency,
It can also realize the miniaturization (calm fan structure) of the inverter 100.Tested through inventor, the technology provided described in the disclosure
Scheme can reduce by 35 DEG C of the fever temperature rise highest of the inverter 100, thus can improve the Applicable temperature of the inverter 100
Scope.
In one embodiment, the DC/DC translation circuits 5 use push-pull circuit, the push-pull circuit have it is efficient,
The advantages of low is lost, is particularly suitable for low input, the inverter 100 (such as inverter 100 of connection automobile storage battery) of height output.
Thus, the power consumption heat dissipation problem of the inverter 100 can be reduced using push-pull circuit.
Further, the DC/DC translation circuits 5, the transistor energy consumption of the DC/AC inverter circuits 6 are usually larger, hot
Amount is high.The transistor of low-power consumption, low internal resistance may be selected to reduce the DC/DC translation circuits 5 and the DC/AC inverter circuits 6
Energy consumption and heat.For example, being managed using MOSFET, the MOSFET pipes have the advantages that low-power consumption, low internal resistance, using described
MOSFET pipes can reduce by 100 power consumption of inverter, while reduce the heat dissipation pressure of inverter 100.
As shown in Figures 2 and 3, the transistor of the DC/DC translation circuits 5 uses MOSFET pipes 41, the MOSFET pipes
The identical MOSFET pipes 41 of two parameters can be used, its parameter can be pressure-resistant：60V, through-current capability 110A, Full-plastics sealed TO-
220F is encapsulated.In yet another embodiment, the transistor of the DC/AC inverter circuits 6 uses MOSFET pipes 61.The DC/AC
Inverter circuit 6 can use the single-phase bridge inverter circuit based on H bridges, it may include four MOSFET pipes 61, by controlling four
MOSFET pipes 61 turn in sequence, end and can just obtain required exchange output waveform.In other embodiments,
The transistor of the DC/DC translation circuits 5 and the DC/AC translation circuits is managed using MOSFET.
Further, the heat-conducting piece 3 includes supporting part 31 and blade 32.The first end 311 of the supporting part 31 and institute
State main part 1 to connect, the second end 312 of the supporting part 31 is connected with the blade 32.The supporting part 31 and the blade
32 can be integrative-structure or Split type structure；Wherein, the blade 32 is used for the radiating surface for increasing the heat-conducting piece 3
Product.It is equipped with accommodating space between the blade 32 and the main part 1, the DC/AC translation circuits and states DC/DC translation circuits
5 MOSFET pipes 51 and MOSFET pipes 61 is respectively positioned in the accommodating space and is bonded with the heat-conducting piece 3, the MOSFET pipes
The lateral wall on the heat-conducting piece 3 is fixed on by fixing screws.The DC/DC translation circuits 5 and/or the DC/AC inversions
Heat can rapidly be transferred to the heat-conducting piece 3 caused by the MOSFET pipes of circuit 6.
Specifically, as shown in figure 4, the supporting part 31 includes two connecting portions 313, two connecting portion intervals 313
Set and one end connects, formed with section into U-shaped space 314 between two connecting portions 311.The MOSFET pipes 51 and
MOSFET pipes 61 can specifically be installed with the outer surface of the heat-conducting piece 3, and the U-shaped space 314 can fill the casting glue, with more
Heat between good two connecting portions 311 of transmission, and carry out heat exchange with other positions casting glue.The two of the supporting part 31
The end of a connecting portion 313 is respectively equipped with a locating piece 315.Two locating pieces 315 are in described two connecting portions 311
End shifts to install, and is connected on the circuit board of the main part 1, with the fixation heat-conducting piece 3.Direction i.e. shown in Fig. 4
On, a locating piece 315 is set close to the upper end of the connecting portion 313, another described locating piece 315 is close to the company
The lower end of socket part is set.In one embodiment, the material of the heat-conducting piece 3 is aluminium alloy, and the material of the locating piece 315 is
Iron, a locating piece 315 are 6mm apart from the end face upper end of the connecting portion 311 distance, another described locating piece 315
Apart from the end face upper end of the connecting portion 311, distance is 4mm.
The blade 32 is equipped with multiple (multiple to refer to two or more), and multiple blades 32 are based on the supporting part
31 second end 312 is symmetrical arranged.Specifically, length side of multiple blades 32 along the second end 312 of the supporting part 31
To arrangement.Along 312 length direction of second end of the supporting part 31, the two neighboring blade 32 is arranged at intervals, two neighboring
The casting glue is filled between the blade 32.The heat dissipation beneficial to the supporting item is so provided with, supporting item can be by heat more
Hurry up, evenly be transferred to the casting glue.First end 311 of the length of multiple blades 32 along the remote supporting part 31
Direction successively decrease, be suitable for the interior shape of the housing 2, and increase the heat exchange area of the blade 32.Certainly, it is multiple described
Second end 312 of the blade 32 based on the supporting part 31 can not also be symmetrical arranged and select to shift to install, and the ruler of each blade
It is very little can not also be identical, or the blade number of the second end 312 positioned at supporting part 31 can not also be same.In other embodiment
In, the blade 32 can also be equipped with one, specifically can according to the actual requirements depending on.
Heat-conducting piece shown in Fig. 5 is the variant embodiment of heat exchanging piece shown in Fig. 4.It is described in the embodiment shown in Fig. 5
Difference lies in the supporting part 31 and the blade 32 are Split type structure to heat exchanging piece 3 shown in heat-conducting piece 3 and above-mentioned Fig. 4；Scheming
In embodiment shown in 5, the supporting part 31 is structure as a whole with the blade 32.
In one embodiment, the heat-conducting piece 3 sets two, and a heat-conducting piece 3 and DC/DC conversion are electric
Road 5 connects, another described heat-conducting piece 3 is connected with DC/AC inverter circuits 6.Two heat-conducting pieces 3 are separately positioned on institute's main body
The lower section at 1 both ends of portion, two heat-conducting pieces 3 correspond the DC/DC translation circuits 5 and DC/AC inverter circuits 6 respectively.
Wherein, two MOSFET pipes 51 of the DC/DC translation circuits 5 are separately fixed at the both sides (see Fig. 2) of the supporting part 31, and
It is fixed on the supporting part 31.Four MOSFET pipes 61 of the DC/AC inverter circuits 6 are separately fixed at the supporting part 31
Both sides, and be fixed on the supporting part 31.It is of course also possible to a heat-conducting piece 3 is set while connects the DC/DC
Translation circuit 5 and DC/AC inverter circuits 6.Compared to a heat-conducting piece 3 is set, two heat-conducting pieces 3 are set to reduce institute
The volume and weight of heat-conducting piece 3 are stated, is conducive to the miniaturization of inverter 100.
With the appearance of smart mobile phone, battery of mobile phone power consumption is accelerated, and quick charge becomes market greatest requirements.Especially in vapour
Che Shang, the use of inverter 100 increasingly receive concern.The inverter 100 that the disclosure provides is equipped with charging plug, with
And at least one USB charging interfaces.The output terminal of the charging plug and the USB charging interfaces and the main part 1 is electrically connected
Connect.The charging plug can be connected with the power supply of notebook, car refrigerator, vehicle-mounted dust collector, vehicle-mounted clarifier；The USB
Charging interface can be quick charge interface, its parameter is 5V/2.4A, general power:5V/3.1A, can meet user's fast charge need
Ask.
As shown in Figure 1, the housing 2 includes the first housing 21 and the second housing 22.First housing 21 in cylinder,
Bottom is arc, for housing the main part 1, DC/DC translation circuits 5, DC/AC inverter circuits 6 and heat-conducting piece 3.Described
Two housings 22 are affixed with first housing 21 (such as clamping), (can be three sockets, two for setting AC power supply jack 24
The combination of socket or three sockets and two sockets), which is contained in second housing 22, can directly with pen
Remember that this grade power connector connects.
Further, the housing 2 further includes the 3rd housing 23.3rd housing 23 is covered on second housing 22
Above and with second housing 22 it is detachably connected.At least one USB charging interfaces 25 are equipped with 3rd housing 23, it is described
When 3rd housing 23 is covered on second housing 22, at least part second housing 22 and the USB charging interfaces 25
It is contained in the 3rd housing 23.
In the embodiment shown in fig. 1, the USB charging interfaces 25 are connected by cable with the main part 1, and are housed
In the inner space of the 3rd housing 23.The opening of 3rd housing 23 corresponds to second housing 22, along described inverse
Become device length direction, the 3rd housing 23 can be provide with second housing 22, and cause be arranged on second housing
The AC power supply jack 24 in 22 is contained in the inner space of the 3rd housing 23.On the one hand the 3rd housing 23
The USB charging interfaces 25 and AC power supply jack 24 of the inverter 100 can be protected, on the other hand can optimize the inverter
100 structure, reduces the volume of inverter 100.
As shown from the above technical solution, the heat that the inverter that the disclosure provides produces is transferred to through heat-conducting piece, casting glue
Housing radiates, and realizes uniform, quick conductive the purpose of heat, improves the radiating efficiency of inverter.
The foregoing is merely the preferred embodiment of the disclosure, not limiting the disclosure, all essences in the disclosure
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of disclosure protection.
Claims (12)
- A kind of 1. inverter, it is characterised in that including housing, main part, the DC/DC translation circuits being connected with the main part, DC/AC inverter circuits and heat-conducting piece, the heat-conducting piece are also connected with the DC/DC translation circuits and/or DC/AC inverter circuits；The main part and the DC/DC translation circuits, DC/AC inverter circuits and heat-conducting piece are by casting glue in the housing Embedding is molded as one, and the casting glue and the heat-conducting piece are used for the heat transfer that the inverter produces to the shell Body；The heat-conducting piece includes supporting part and blade, and the first end of the supporting part is connected with the main part, the supporting part Second end be connected with the blade.
- 2. inverter according to claim 1, it is characterised in that the blade is at least provided with one.
- 3. inverter according to claim 1, it is characterised in that the casting glue is filled in the inside of the housing, and It is connected with the madial wall of the housing.
- 4. inverter according to claim 1, it is characterised in that length direction of multiple blades along the supporting part Arrangement, and the length of multiple blades is successively decreased along the direction of the first end away from the supporting part.
- 5. inverter according to claim 1, it is characterised in that the supporting part includes two connecting portions, described in two Connecting portion is arranged at intervals and one end connects, and the bottom of described two connecting portions is respectively equipped with locating piece, and two locating pieces are wrong Position is set.
- 6. inverter according to claim 1, it is characterised in that the heat-conducting piece is equipped with two, a heat-conducting piece It is connected with the DC/AC inverter circuits, another described heat-conducting piece is connected with DC/AC inverter circuits.
- 7. inverter according to claim 1, it is characterised in that the DC/AC inverter circuits and/or the DC/AC are inverse The transistor for becoming circuit is fitted on the heat-conducting piece；Accommodating space, the crystalline substance are equipped between the blade and the main part Body pipe is located in the accommodating space and is connected with the heat-conducting piece.
- 8. inverter according to claim 1, it is characterised in that the DC/AC inverter circuits and/or the DC/AC are inverse The transistor for becoming circuit is managed using MOSFET.
- 9. inverter according to claim 1, it is characterised in that the DC/AC inverter circuits are push-pull circuit.
- 10. inverter according to claim 1, it is characterised in that the main part is also associated with least one USB chargings Interface.
- 11. inverter according to claim 1, it is characterised in that the housing include be used for house the main part, First housing of DC/DC translation circuits, DC/AC inverter circuits and heat-conducting piece, and the second shell affixed with first housing Body, the second shell body is interior to be equipped with AC power supply jack.
- 12. inverter according to claim 11, it is characterised in that the housing, which further includes, is covered on second housing The 3rd housing that is upper and being detachably connected with second housing, the 3rd housing is interior to be equipped with least one USB charging interfaces, When 3rd case lid is arranged on second housing, at least partly second housing and the USB charging interfaces house In the 3rd housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450810.2U CN207339667U (en) | 2017-11-02 | 2017-11-02 | Inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450810.2U CN207339667U (en) | 2017-11-02 | 2017-11-02 | Inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339667U true CN207339667U (en) | 2018-05-08 |
Family
ID=62364566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721450810.2U Active CN207339667U (en) | 2017-11-02 | 2017-11-02 | Inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707132A (en) * | 2017-11-02 | 2018-02-16 | 北京小米移动软件有限公司 | Inverter |
-
2017
- 2017-11-02 CN CN201721450810.2U patent/CN207339667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707132A (en) * | 2017-11-02 | 2018-02-16 | 北京小米移动软件有限公司 | Inverter |
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