CN209072327U - Power module and current transformer - Google Patents
Power module and current transformer Download PDFInfo
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- CN209072327U CN209072327U CN201822148906.4U CN201822148906U CN209072327U CN 209072327 U CN209072327 U CN 209072327U CN 201822148906 U CN201822148906 U CN 201822148906U CN 209072327 U CN209072327 U CN 209072327U
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- coldplate
- power module
- entrance
- outlet
- switching device
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- 238000001816 cooling Methods 0.000 claims abstract description 20
- 230000004308 accommodation Effects 0.000 claims abstract description 13
- 238000007373 indentation Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model embodiment provides a kind of power module and current transformer, power module includes: concatenation unit, including coldplate and the electronic switching device and capacitance module that are divided into cooling plate thickness direction two sides, coldplate includes plate body, the accommodation space being enclosed by plate body and the entrance and exit being connected to accommodation space.In the present invention, the concatenation unit of power module includes coldplate, electronic switching device and capacitance module, and electronic switching device and capacitance module are divided into the two sides of coldplate, coldplate is radiated simultaneously for electronic switching device and capacitance module, concatenation unit structure is simple, compact, and it is fully able to meet the radiating requirements of itself, quantity by changing concatenation unit can either enable power module meet operation demand, it is not necessary that thermal component is arranged for power module, structure is simpler, and it is easy to the extension of power module, the versatility of power module can be effectively improved.
Description
Technical field
The utility model relates to technical field of electrical equipment more particularly to a kind of power modules and current transformer.
Background technique
In existing current transformer, electric and electronic power module is generally unitary design, and the main part in design includes
IGBT, capacitor, IGBT cold plate, driving, structural support etc..Wherein the main part of volume accounting and weight accounting is
IGBT, capacitor and IGBT cold plate.Common design method is, individually designed according to the comprehensive calorific value of all IGBT and temperature control target
Cold plate pastes IGBT on this monolith cold plate, and capacitor is fixed in capacitance pool, and capacitance pool is fixed on power module, capacitor
Heat dissipation needs to be additionally provided cooling wind.Therefore it when blocks current demand difference, needs to calculate IGBT calorific value, customizes design
Cold plate and capacitance arrangement.Lead to the poor universality of current transformer, the development cycle is long.
Therefore, a kind of new power module and current transformer are needed.
Utility model content
The utility model embodiment provides a kind of power module and current transformer, it is intended to simplify the structure of power module.
On the one hand the utility model embodiment provides a kind of power module, comprising: concatenation unit, including coldplate and point
Electronic switching device and capacitance module set on cooling plate thickness direction two sides, coldplate include plate body, are enclosed by plate body
Accommodation space and the entrance and exit that is connected to accommodation space.
One aspect according to the present utility model, concatenation unit further include shell, and shell has been enclosed accommodating chamber, electronics
Switching device, coldplate and capacitance module are all set in accommodating chamber, are also provided on shell and open with what entrance, outlet were respectively communicated with
Mouthful.
One aspect according to the present utility model, concatenation unit are two or more, are provided with splicing at least one opening
Button, so that more than two concatenation units can detain mutually splicing connection by splicing.
One aspect according to the present utility model, electronic switching device have the first cooling surface, and electronic switching device passes through
First cooling surface and coldplate plane-plane contact；
And/or capacitance module includes the second cooling surface, capacitance module passes through the second cooling surface and coldplate plane-plane contact.
One aspect according to the present utility model, concatenation unit are two or more,
Coldplate includes opposite in a first direction first side and second side, and entrance and exit is set to the first side
Face and/or second side；
The seal member for being additionally provided with the recirculation hole being connected to accommodation space on coldplate and being set at recirculation hole, until
Few two recirculation holes are correspondingly arranged with entrance and outlet respectively in a first direction so that more than two concatenation units pass through into
Mouth, outlet and recirculation hole successively splice connection.
One aspect according to the present utility model, entrance and exit are all set in first side, and at least two recirculation holes are set
It is placed in second side and is correspondingly arranged in a first direction with entrance and outlet；
Alternatively, entrance is set to first side, outlet is set to second side, and entrance and exit misplaces in a first direction
Setting, at least two recirculation holes are respectively arranged at second side and first side, and two recirculation holes are distinguished in a first direction
It is correspondingly arranged with entrance and outlet.
One aspect according to the present utility model is provided with the first stitching section at entrance and exit, is provided at recirculation hole
Second stitching section, so that more than two concatenation units mutually splice connection by the first stitching section and the second stitching section.
One aspect according to the present utility model, the one of them in the first stitching section and the second stitching section protrude from cooling
The surface of plate is arranged, and another one is formed by the surface indentation of coldplate, and the shape phase of the first stitching section and the second stitching section
Match.
One aspect according to the present utility model further includes supporting guide, extends in a first direction setting so that two with
On concatenation unit mutually splice connection along guide rail.
On the other hand the utility model also provides a kind of current transformer, including above-mentioned power module.
In the present invention, the concatenation unit of power module includes coldplate, electronic switching device and capacitance module, and
Electronic switching device and capacitance module are divided into the two sides of coldplate, and coldplate is enabled to be simultaneously electronic switching device and electricity
Molar block radiates, and concatenation unit structure is simple, compact, and is fully able to meet the radiating requirements of itself, by changing
The quantity for becoming concatenation unit can either enable power module meet operation demand, it is not necessary that thermal component, structure is arranged for power module
It is simpler, and it is easy to the extension of power module, the versatility of power module can be effectively improved.
Detailed description of the invention
By reading detailed description of non-limiting embodiments referring to the drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon, wherein the same or similar appended drawing reference indicates the same or similar feature.
Fig. 1 is a kind of structural schematic diagram of power module of the utility model embodiment；
Fig. 2 is a kind of structural schematic diagram of the coldplate of power module of the utility model embodiment；
Fig. 3 is a kind of structural schematic diagram of the coldplate of power module of another embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of power module of another embodiment of the utility model.
Description of symbols:
100, concatenation unit；
110, coldplate；111, plate body；111a, first side；111b, second side；112, accommodation space；113, enter
Mouthful；114, it exports；115, recirculation hole；116, seal member；117, the first stitching section；118, the second stitching section；
120, electronic switching device；130, capacitance module；
140, shell；141, splicing button；
200, supporting guide.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, many details are proposed, in order to provide the comprehensive understanding to the utility model.But for those skilled in the art
It will be apparent that the utility model can be implemented in the case where not needing some details in these details for member.
Below the description of embodiment is used for the purpose of providing by showing the example of the utility model to the more preferable of the utility model
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality
Unnecessary obscure is caused with novel；Also, for clarity, may be exaggerated the size of part-structure.In addition, hereinafter being retouched
Feature, the structure or characteristic stated can be incorporated in any suitable manner in one or more embodiments.
The noun of locality of middle appearance described below is direction shown in figure, is not to the embodiments of the present invention
Specific structure is defined.In the description of the present invention, it should also be noted that, unless otherwise specific regulation and limit
Fixed, term " installation ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be directly connected, can also be indirectly connected.For the ordinary skill in the art, visual specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
The utility model in order to better understand, below with reference to Fig. 1 to Fig. 4 according to the power mould of the utility model embodiment
Block and current transformer are described in detail.
Also referring to Fig. 1 and Fig. 2, Fig. 1 is a kind of power module provided by the embodiment of the utility model, and Fig. 2 is cooling
The sectional view of the X-direction along Fig. 1 of plate 110.Power module includes: concatenation unit 100, including coldplate 110 and is divided into cooling
The electronic switching device 120 and capacitance module 130 of 110 thickness direction two sides of plate, coldplate 110 include plate body 111, by plate body
111 accommodation spaces 112 being enclosed and the entrance 113 being connected to accommodation space 112 and outlet 114.
Wherein, the thickness direction of coldplate 110 refers to two surfaces that coldplate 110 is oppositely arranged in Z-direction in Fig. 1
The distance between.
The power of electronic switching device 120 and capacitance module 130 matches, and coldplate 110 is according to electronic switching device 120
It is arranged with the heat dissipation capacity of capacitance module 130, so that entire concatenation unit 100 can either meet dissipating for oneself without exterior components
Heat and operation demand.
In one concatenation unit 100, it is not limited here, electronic switching device 120 can for the number of electronic switching device 120
Think one or more.Likewise, the number of capacitance module 130 is also without limitation, capacitance module 130 can be with one or two
More than a, as long as the operation power of electronic switching device 120 and capacitance module 130 matches.
Also without limitation, entrance 113 and outlet 114 can be respectively one, cooling for entrance 113 and the quantity of outlet 114
Plate 110 uses the form of one-in-and-one-out；Or entrance 113 and outlet 114 are two or more, coldplate 110 is using mostly into having more
Form.
In the present invention, the concatenation unit 100 of power module includes coldplate 110, electronic switching device 120 and electricity
Molar block 130, and electronic switching device 120 and capacitance module 130 are divided into the two sides of coldplate 110, enables coldplate 110
It enough while for electronic switching device 120 and capacitance module 130 radiates, 100 structure of concatenation unit is simple, compact, easily
In maintenance.And be fully able to meet the radiating requirements of itself, the quantity by changing concatenation unit 100 can either enable power module
Meet operation demand, it is not necessary that thermal component is arranged for power module, structure is simpler, and is easy to the extension of power module, energy
Enough effectively improve the versatility of power module.
In addition, coldplate 110 is liquid radiating, coolant liquid is flowed into the accommodation space 112 of coldplate 110 to electronics
Switching device 120 and capacitance module 130 radiate, and using liquid radiating, non-air radiates, and can reduce power module pair
The demand of cooling wind.While improving heat dissipation effect, additionally it is possible to reduce power module to the dependence of ambient temperature.
When the side that coldplate 110 is arranged in electronic switching device 120 is radiated using coldplate 110, in order to protect
Heat dissipation effect is demonstrate,proved, it is cooling to be provided with first on electronic switching device 120 for 110 plane-plane contact of electronic switching device 120 and coldplate
111 plane-plane contact of plate body of face, the first cooling surface and coldplate 110, so as to increase electronic switching device 120 and coldplate
Contact area between 110 improves coldplate 110 to the heat dissipation effect of electronic switching device 120.
Likewise, in order to guarantee that coldplate 110 to the heat dissipation effect of capacitance module 130, is provided on capacitance module 130
Two cooling surfaces, capacitance module 130 utilize the second cooling surface and 110 plane-plane contact of coldplate.
In order to provide better protective effect, in some alternative embodiments, concatenation unit to concatenation unit 100
100 further include shell 140, and shell 140 has been enclosed accommodating chamber (not shown), electronic switching device 120, coldplate
110 and capacitance module 130 be all set in accommodating chamber, be also provided on shell 140 with entrance 113, outlet 114 be respectively communicated with open
Mouth (not shown).
In these optional embodiments, it can be provided by the way that shell 140 is arranged for other components in concatenation unit 100
Better protective effect prevents electronic switching device 120, coldplate 110 and capacitance module 130 from being collided with and being damaged.
The set-up mode of shell 140 it is not limited here, in some alternative embodiments, the opening on shell 140
It is additionally provided with splicing button 141, when in a power module there are two the above concatenation unit 100, more than two concatenation units
100 can allow the coolant liquid in coldplate 110 in two adjacent concatenation units by the mutually splicing of splicing button 141
It circulates between 100, to realize the extension of power module, improves the versatility of power module.
When concatenation unit 100 is more than two, more than two concatenation units 100 are mutually connected without being limited thereto.
For example, in other optional embodiments, coldplate 110 includes being oppositely arranged in (X-direction in Fig. 2) in a first direction
First side 111a and second side 111b, entrance 113 and outlet 114 are set to first side 111a and/or second side
111b；It is additionally provided with the recirculation hole 115 being connected to accommodation space 112 on coldplate 110 and is removable installed in recirculation hole
Seal member 116 at 115.Wherein, at least two recirculation holes 115 in a first direction respectively with entrance 113 and outlet 114 pairs
Should be arranged so that more than two concatenation units 100 by entrance 113, outlet 114 and recirculation hole 115 in a first direction according to
Secondary splicing connection.
As shown in Fig. 2, entrance 113 and outlet 114 are all set in second side 111b, two are provided on first side 111a
It is a to be sealed with entrance 113,114 corresponding recirculation holes 115 of outlet when more than two 100 mutually splicings of concatenation unit respectively
Component 116 is dismantled by recirculation hole 115, latter in a first direction since recirculation hole 115 and entrance 113, outlet 114 correspond to
The entrance 113 of a concatenation unit 100 and outlet 114 can be correspondingly arranged at the recirculation hole 115 of previous concatenation unit 100,
To which two adjacent concatenation units 100 be linked together.
As shown in figure 3, entrance 113 and outlet 114 are respectively arranged at second side 111b and first side 111a, the first side
Be provided on the 111a of face with the corresponding recirculation hole 115 of entrance 113, be provided with and export 114 corresponding streams on second side 111b
Through-hole 115.When two concatenation units 100 mutually splice, seal member 116 is dismantled by recirculation hole 115, in a first direction
The entrance 113 of upper the latter concatenation unit 100 and the recirculation hole 115 of previous concatenation unit 100 dock, previous concatenation unit
100 outlet 114 and the recirculation hole 115 of the latter concatenation unit 100 dock, so that two adjacent concatenation units 100 be connected
It is connected together.
In order to guarantee the leakproofness of two neighboring 100 junction of concatenation unit, the is provided at entrance 113 and outlet 114
One stitching section 117 is provided with the second stitching section 118 at recirculation hole 115, so that more than two concatenation units 100 pass through first
Stitching section 117 and the second stitching section 118 are connected with each other.
The set-up mode of first stitching section 117 and the second stitching section 118 it is not limited here, as long as 100 energy of concatenation unit
It enough by the first stitching section 117 and the second mutually splicing connection of stitching section 118, and can guarantee the leakproofness of splicing connection, make
Coolant liquid is obtained to circulate between two adjacent concatenation units 100.
For example, in some alternative embodiments, the one of them in the first stitching section 117 and the second stitching section 118 is convex
Surface for coldplate 110 is arranged, and another one is formed by the surface indentation of coldplate 110, and the shape of the first stitching section 117
Match with the shape of the second stitching section 118, to enable two adjacent concatenation units 100 can be by the first stitching section 117
Mutually splice and be tightly connected with the second stitching section 118.
In the above-described embodiments, when power module is spliced by more than two concatenation units 100, if power mould
Block is damaged, and can directly replace the concatenation unit 100 of damage, it is not necessary to and entire power module is replaced, maintenance workload is reduced,
Reduce spare parts cost.
Referring to Figure 4 together, when the mutually splicing of more than two concatenation units 100, in order to more than two splicings
Unit 100 provides guiding and support, and power module further includes supporting guide 200, and supporting guide 200 extends in a first direction shape
At enabling more than two concatenation units 100 mutually to splice along supporting guide 200.
In these optional embodiments, more than two concatenation units 100 mutually splice along supporting guide 200, support
Guide rail 200 can also provide the limit of the Y-direction along Fig. 4 to concatenation unit 100, prevent concatenation unit 100 from tilting in the Y direction,
Guarantee the stabilization and reliability connected between two neighboring concatenation unit 100, prevents coolant liquid by the entrance 113 of coldplate 110
Or 114 leakage of outlet, guarantee the reliable and stable operation of entire power module.
The utility model second embodiment also provides a kind of current transformer, the power mould including any of the above-described first embodiment
Block.Since the current transformer of the present embodiment includes above-mentioned power module, the current transformer of the present embodiment has above-mentioned power mould
Beneficial effect possessed by block, details are not described herein.
The utility model can be realized in other specific forms, without departing from its spirit and essential characteristics.For example, specific
Algorithm described in embodiment can be modified, and system architecture is without departing from the essence spirit of the utility model.Cause
This, current embodiment is all counted as being exemplary rather than in all respects limited, and the scope of the utility model is by institute
Attached claim rather than foregoing description define, also, fall into the meaning of claim and whole in the range of equivalent change
To all be included among the scope of the utility model.
Claims (10)
1. a kind of power module characterized by comprising concatenation unit (100), including coldplate (110) and be divided into described
The electronic switching device (120) and capacitance module (130) of coldplate (110) thickness direction two sides, the coldplate (110) include
Plate body (111), the accommodation space (112) being enclosed by the plate body (111) and enter with what the accommodation space (112) was connected to
Mouth (113) and outlet (114).
2. power module according to claim 1, which is characterized in that the concatenation unit (100) further includes shell
(140), the shell (140) has been enclosed accommodating chamber, the electronic switching device (120), the coldplate (110) and institute
It states capacitance module (130) and is all set in the accommodating chamber, be also provided on the shell (140) and the entrance (113), described
The opening that outlet (114) is respectively communicated with.
3. power module according to claim 2, which is characterized in that the concatenation unit (100) is two or more, at least
One opening is provided with splicing button (141), so that more than two concatenation units (100) can pass through the spelling
Buckle (141) mutually splicing connection.
4. power module according to claim 1, which is characterized in that
The electronic switching device (120) has the first cooling surface, and the electronic switching device (120) is cooling by described first
Face and the coldplate (110) plane-plane contact；
And/or the capacitance module (130) includes the second cooling surface, the capacitance module (130) passes through second cooling surface
With the coldplate (110) plane-plane contact.
5. power module according to claim 1, which is characterized in that the concatenation unit (100) is two or more,
The coldplate (110) includes first side opposite in a first direction (111a) and second side (111b), described
Entrance (113) and the outlet (114) are set to the first side (111a) and/or the second side (111b)；
It is additionally provided with the recirculation hole (115) being connected to the accommodation space (112) on the coldplate (110) and is set to institute
State the seal member (116) at recirculation hole (115), at least two recirculation holes (115) in said first direction respectively and
The entrance (113) and the outlet (114) are correspondingly arranged, so that more than two concatenation units (100) are described in
Entrance (113), the outlet (114) and the recirculation hole (115) successively splice connection.
6. power module according to claim 5, which is characterized in that
The entrance (113) and the outlet (114) are all set in the first side (111a), at least two recirculation holes
(115) be set to the second side (111b) and in said first direction with the entrance (113) and the outlet (114)
It is correspondingly arranged；
Alternatively, the entrance (113) is set to the first side (111a), the outlet (114) is set to described second side
Face (111b), the entrance (113) and the outlet (114) shift to install in said first direction, at least two streams
Through-hole (115) is respectively arranged at the second side (111b) and the first side (111a), and two recirculation holes
(115) it is correspondingly arranged respectively with the entrance (113) and the outlet (114) in said first direction.
7. power module according to claim 5, which is characterized in that set at the entrance (113) and the outlet (114)
It is equipped with the first stitching section (117), is provided with the second stitching section (118) at the recirculation hole (115), so that more than two described
Concatenation unit (100) passes through first stitching section (117) and second stitching section (118) mutually splicing connection.
8. power module according to claim 7, which is characterized in that first stitching section (117) and described second is spelled
One of them in socket part (118) protrudes from the surface setting of the coldplate (110), and another one is by the coldplate (110)
Surface indentation formed, and the shape of first stitching section (117) and second stitching section (118) matches.
9. power module according to claim 5, which is characterized in that further include supporting guide (200), along the first party
To being extended, so that more than two concatenation units (100) mutually splice connection along the guide rail.
10. a kind of current transformer, which is characterized in that including the described in any item power modules of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148906.4U CN209072327U (en) | 2018-12-20 | 2018-12-20 | Power module and current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148906.4U CN209072327U (en) | 2018-12-20 | 2018-12-20 | Power module and current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209072327U true CN209072327U (en) | 2019-07-05 |
Family
ID=67101901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822148906.4U Active CN209072327U (en) | 2018-12-20 | 2018-12-20 | Power module and current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209072327U (en) |
-
2018
- 2018-12-20 CN CN201822148906.4U patent/CN209072327U/en active Active
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