CN201616766U - Power module for high-pressure frequency converter - Google Patents
Power module for high-pressure frequency converter Download PDFInfo
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- CN201616766U CN201616766U CN2009202620041U CN200920262004U CN201616766U CN 201616766 U CN201616766 U CN 201616766U CN 2009202620041 U CN2009202620041 U CN 2009202620041U CN 200920262004 U CN200920262004 U CN 200920262004U CN 201616766 U CN201616766 U CN 201616766U
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- copper bar
- frequency converter
- high voltage
- power module
- voltage frequency
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Abstract
The utility model relates to a power module for a high-pressure frequency converter, which comprises a radiator (2), a capacitor component (3) and a case (1). The inside of the case (1) is divided into a mounting groove (11) and a holding groove (12), the radiator (2) is disposed inside the holding groove (12), the capacitor component (3) is retractably mounted in the mounting groove (11), the capacitor component (3) consists of a drawer component (31) and a capacitor unit (30) disposed on the drawer component (31), the capacitor unit (30) consists of at least two capacitor groups (32) which are staggered on the drawer component (31), and each capacitor group (32) consists of at least one capacitor (321). The power module for a high-pressure frequency converter is simple and compact in integral structure and reasonable in layout of power devices, and is capable of shortening a power circuit to the greatest extent on the premise of guaranteeing radiation.
Description
Technical field
The utility model relates to electric and electronic technical field, more particularly, relates to a kind of high voltage frequency converter power module.
Background technology
In today of energy scarcity, high voltage converter is being brought into play more and more significantly effect as the product of Development of Power Electronic Technology aspect high-voltage energy-saving.
At present, in the high voltage converter product, power model is as the core, and is extremely important, thereby requires very high to the rational deployment of power device.Different device layouts can cause the loop of power circuit difference, and reasonably layout is under the prerequisite that guarantees heat radiation, makes loop of power circuit as far as possible little.Because the rational deployment of power model not only can promote the overall performance of high voltage converter, and can effectively save the space, thereby be necessary power model is carried out appropriate design.
Designer of the present utility model has carried out long-term analysis and research to existing high voltage frequency converter power module, finds that there is following problem in the design of these power models at present:
1, three diodes (Diode) and two igbts (Isolation Gate BipolarTransistor) are installed on the radiator, female copper bar that sub-copper bar and capacitance component are installed on the radiator electrically connects, loop of power circuit passes through female copper bar of sub-copper bar, capacitance component again to three diodes via two igbts, thereby loop of power circuit is very long, causes whole power model oversize.
2, radiator is connected by copper bar with capacitance component, and copper bar all is to be divided into two parts basically, thereby alignment error is big, is inconvenient to assemble.
3, the electric capacity of capacitance component is that parallel array is arranged, and not only occupies a lot of spaces, and makes copper bar become big, has both wasted cost, makes whole power model size bigger than normal again, thereby has also caused the high voltage converter system to become big.
4, the integral layout of power model does not utilize the space preferably.
The utility model content
The technical problems to be solved in the utility model is, at the existing deficiency of above-mentioned existing high voltage frequency converter power module, provides a kind of high voltage frequency converter power module, and is rationally distributed, can make loop of power circuit short as far as possible under the prerequisite that guarantees heat radiation.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of high voltage frequency converter power module is provided, comprise: radiator, capacitance component, cabinet, mounting groove and storage tank have been separated to form in the described cabinet, described radiator places storage tank, and what described capacitance component can extract is installed in the mounting groove.
In high voltage frequency converter power module described in the utility model, described capacitance component comprises drawer structure spare, is located at the capacitor cell on the described drawer structure spare, described capacitor cell comprises at least two capacitance group, described at least two capacitance group are staggered on described drawer structure spare, and each capacitance group comprises at least one electric capacity.
In high voltage frequency converter power module described in the utility model, described capacitor cell comprises three capacitance group, and described three capacitance group are staggered on described drawer structure spare, and each capacitance group comprises three electric capacity.
In high voltage frequency converter power module described in the utility model, described high voltage frequency converter power module also comprises the electrical connection module that is used to form loop of power circuit, described electrical connection module comprises: be located at the negative copper bar of the mutually insulated on the described capacitance component, positive copper bar, and being installed on two igbts, diode combination on the radiator, described negative copper bar, positive copper bar are connected with described two igbts, diode combinations respectively.
In high voltage frequency converter power module described in the utility model, the positive pole of described each electric capacity is towards a side setting of radiator, and negative pole is towards the opposite side setting; The series connection copper bar is installed and by series connection copper bar electrical communication on two adjacent capacitance group, on the positive pole near the capacitance group of radiator described positive copper bar is installed, on the negative pole away from the capacitance group of radiator described negative copper bar is installed.
In high voltage frequency converter power module described in the utility model, described negative copper bar is located at the top of described positive copper bar, bears copper bar and just is equipped with dielectric film between the copper bar and insulate mutually by this dielectric film.
In high voltage frequency converter power module described in the utility model, described positive copper bar is provided with three positive straps, and described three positive straps electrically connect with the positive pole of described diode combination, two igbts respectively; Described negative copper bar is provided with three negative pole braces, and described three negative pole braces electrically connect with the negative pole of described diode combination, two igbts respectively.
In high voltage frequency converter power module described in the utility model, described drawer structure spare is provided with the through hole that is used to insert electric capacity, and the clip that is used for fixing electric capacity is installed accordingly, described clamp connection is in the lower surface of described through hole, and a side of clip is provided with the trip bolt that is used to lock or loosen clip; Described electric capacity is arranged in the through hole of drawer structure spare, and is fixed on the drawer structure spare by clip.
In high voltage frequency converter power module described in the utility model, the both sides of described mounting groove are provided with slideway, the both sides of described drawer structure spare are provided with slipping part accordingly, described capacitance component is by the slipping part of drawer structure spare both sides and being equipped with of slideway, in the mounting groove that places cabinet that can extract.
In high voltage frequency converter power module described in the utility model, described radiator can extract places described storage tank.
The beneficial effect of high voltage frequency converter power module of the present utility model:
One, the not only independent but also contact of capacitance component and radiator is two separate units before the assembling, is fixed in mounting groove and the storage tank after can pushing cabinet respectively, and the mounting structure of drawer type makes installs simple and fast, and overall structure is simple, compact; After the assembling electrical connection module can be installed on capacitance component and radiator accordingly, realize the electric connection of power model, the integral layout of power model is reasonable, loop of power circuit is short and smooth and easy.
Two, the electric capacity of capacitance component is staggered, and has effectively utilized installing space, has reduced the size of whole power model, and the electric capacity of capacitance component makes that by rational copper bar design the loop of power circuit of power model is clear smooth and easy.
Three, need not to install in addition copper bar on the radiator, the positive and negative copper bar of capacitance component can be used as the positive and negative copper bar of whole high voltage frequency converter power module, and the power device of installing on the radiator simplified, thereby make the size of radiator dwindle greatly, reduced the difficulty of processing and the processing cost of radiator.
In a word, the overall structure of high voltage frequency converter power module of the present utility model is simple, compact, power device rationally distributed, can be under the prerequisite that guarantees heat radiation, make loop of power circuit short as far as possible, can effectively reduce the volume of high voltage frequency converter power module and promote its performance, save cost, make product more competitive.
Description of drawings
Fig. 1 is the decomposing schematic representation of high voltage frequency converter power module of the present utility model;
Fig. 2 is the combination schematic diagram of high voltage frequency converter power module of the present utility model;
Fig. 3 A is the structural representation of the capacitance component shown in Fig. 1;
Fig. 3 B is the structural representation of another angle of capacitance component shown in Fig. 3 A;
Fig. 3 C is the schematic diagram before the capacitance component shown in Fig. 3 A is installed on cabinet;
Fig. 4 A is the capacitance component shown in Figure 1 and the decomposing schematic representation of electrical connection module;
Fig. 4 B is the combination schematic diagram of capacitance component shown in Fig. 4 A and electrical connection module.
Embodiment
As shown in Figures 1 and 2, it is the decomposing schematic representation of high voltage frequency converter power module of the present utility model, described high voltage frequency converter power module, be divided into two parts: radiator 2 and capacitance component 3, described radiator 2 and capacitance component 3 are installed in the cabinet 1, when assembling is two independent sectors, makes that like this assembling is more succinct, interconnects the unified whole power model that forms after the assembling again.Below describe in detail with regard to the concrete improvement of high voltage frequency converter power module of the present utility model.
One, the layout of capacitance component and fixed form:
Be the structural representation of the capacitance component of high voltage frequency converter power module as shown in Figure 3A, described capacitance component 3 comprises drawer structure spare 31, is located at the capacitor cell on the described drawer structure spare 31, in the present embodiment, described capacitor cell 30 comprises three capacitance group 32, these three capacitance group 32 are staggered on described drawer structure spare 31, each capacitance group 32 comprises three electric capacity 321, by the staggered layout of electric capacity 321, has effectively utilized installing space.
Consult 3B, it shown in Fig. 3 B the rearview of capacitance component, described drawer structure spare 31 is provided with the through hole 34 that is used to insert electric capacity 321, and the corresponding clip 33 that is used for fixing electric capacity 321 that is provided with, described clip 33 and through hole 34 corresponding settings, and be connected in the lower surface of described through hole 34 by screw 331, one side of clip 33 is provided with the trip bolt 332 that is used to lock or loosen clip 33, described electric capacity 321 is fixed on the drawer structure spare 31 by clip 33, during installation, electric capacity 321 being passed the through hole 34 of drawer structure spare 31 inserts in the clip 33, lock the trip bolt 332 of clip 33 again, so that electric capacity 321 is fixed on the drawer structure spare 31, order is installed this three capacitance group 32, finishes the assembling of capacitance component 3.
Consult Fig. 3 C and Fig. 2, Fig. 3 C is the schematic diagram before capacitance component is installed on cabinet; Fig. 2 is the schematic diagram after capacitance component is installed on cabinet; Be provided with the mounting groove 11 that is used to place capacitance component 3 in the described cabinet 1, the both sides of described mounting groove 11 are provided with slideway 15, the both sides of described drawer structure spare 31 are provided with slipping part 35 accordingly, by the slipping part 35 of drawer structure spare 31 both sides and being equipped with of slideway 15, capacitance component 3 is pushed cabinet 1, place then in the mounting groove 11 of cabinet 1, can finish the installation of capacitance component 3 in cabinet 1 easily, simple in structure, easy to operate.
Two, the layout of power model and electrical connection form:
Shown in Fig. 4 A the capacitance component shown in Figure 1 and the decomposing schematic representation of electrical connection module; Described high voltage frequency converter power module also comprises electrical connection module 4, setting by electrical connection module 4 is to realize the circuit communication of high voltage frequency converter power module, described electrical connection module 4 comprises negative copper bar 40, dielectric film 41, two series connection copper bars 42, positive copper bar 43, two igbts 44 (Isolation Gate BipolarTransistor), and diode combination 45 (Diode), described two igbts 44, diode combination 45 is installed on the radiator 2, diode combination 45 is formed by existing three diode combinations, structure is simpler, install more convenient, two igbts 44 adopt identical structure, the fine current-sharing that guarantees igbt.In the utility model, the positive and negative copper bar of the negative copper bar 40 of high voltage frequency converter power module, positive copper bar 43 and capacitance component 3 is shared, it is the positive and negative copper bar that the positive and negative copper bar of capacitance component can be used as whole high voltage frequency converter power module, be connected with the positive and negative copper bar of capacitance component 3 and need not in addition copper bar to be set on radiator, simplified connection, installed more convenient.
Consult Fig. 3 A and Fig. 4 A simultaneously, the electrode of described three capacitance group 32 towards unanimity, the positive pole of each electric capacity 321 is towards a side setting of radiator 2, negative pole is towards the opposite side setting.Pass through series connection copper bar 42 electrical communication between two adjacent capacitance group 32, three capacitance group 32 are connected by two series connection copper bars 42, described positive copper bar 43 is installed on the positive pole of a capacitance group 32 of close radiator 2, away from described negative copper bar 40 is installed on the negative pole of a capacitance group 32 of radiator 2, described negative copper bar 40 is located at the top of described positive copper bar 43, bears copper bar 40 and just lays described dielectric film 41 between the copper bar 43 and insulate mutually by this dielectric film 41.Simultaneously, described positive copper bar 43 is provided with three positive straps 431, and described three positive straps 431 electrically connect with the positive pole of described diode combination 45, described two igbts 44 respectively; Described negative copper bar 40 is provided with three negative pole braces 401, described three negative pole braces 401 electrically connect with the negative pole of described diode combination 45, described two igbts 44 respectively, by above-mentioned copper bar setting, realized that the power of high voltage frequency converter power module connects.
Consult Fig. 4 B, Fig. 4 B is the combination schematic diagram of capacitance component shown in Fig. 4 A and electrical connection module; There is shown the power device layout of high voltage frequency converter power module, layout is smooth and easy clear like this, lines in the diagram are represented the loop of power model, from diode 45 after rectification, by capacitor cell 30, flow out from igbt 44, power circuit is very smooth and easy again, and loop of power circuit is very short.
As shown in Figures 1 and 2, be separated to form in the described cabinet 1 and be used to the storage tank 12 placing the mounting groove 11 of capacitance component 3 and be used to place radiator 2.During installation, radiator 2 is pushed cabinet 1 and place in the storage tank 12 of cabinet 1, capacitance component 3 is pushed cabinet 1 and place in the mounting groove 11 of cabinet, diode combination 45 and two igbts 44 of electrical connection module 4 are installed on radiator 2 then, the negative copper bar 40 of electrical connection module 4 is installed on capacitance component 3, dielectric film 41, two series connection copper bars 42, positive copper bar 43, finish the assembling of high voltage frequency converter power module, overall structure is simple, compact, easy for installation, and the integral layout of power model is reasonable, loop of power circuit is short and smooth and easy.
As from the foregoing, high voltage frequency converter power module of the present utility model has following advantage:
One, the not only independent but also contact of capacitance component and radiator is two separate units before the assembling, is fixed in mounting groove and the storage tank after can pushing cabinet respectively, and the mounting structure of drawer type makes installs simple and fast, and overall structure is simple, compact; After the assembling electrical connection module can be installed on capacitance component and radiator accordingly, realize the electric connection of power model, the integral layout of power model is reasonable, loop of power circuit is short and smooth and easy.
Two, the electric capacity of capacitance component is staggered, and has effectively utilized installing space, has reduced the size of whole power model, and the electric capacity of capacitance component makes that by rational copper bar design the loop of power circuit of power model is clear smooth and easy.
Three, need not to install in addition copper bar on the radiator, the positive and negative copper bar of capacitance component can be used as the positive and negative copper bar of whole high voltage frequency converter power module, and the power device of installing on the radiator simplified, thereby make the size of radiator dwindle greatly, reduced the difficulty of processing and the processing cost of radiator.
In a word, the overall structure of high voltage frequency converter power module of the present utility model is simple, compact, power device rationally distributed, can be under the prerequisite that guarantees heat radiation, make loop of power circuit short as far as possible, can effectively reduce the volume of high voltage frequency converter power module and promote its performance, save cost, make product more competitive.
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (10)
1. high voltage frequency converter power module, comprise: radiator (2), capacitance component (3), it is characterized in that, described high voltage frequency converter power module also comprises a cabinet (1), mounting groove (11) and storage tank (12) have been separated to form in the described cabinet (1), described radiator (2) places storage tank (12), and what described capacitance component (3) can extract is installed in the mounting groove (11).
2. high voltage frequency converter power module according to claim 1, it is characterized in that, described capacitance component (3) comprises drawer structure spare (31), is located at the capacitor cell (30) on the described drawer structure spare (31), described capacitor cell (30) comprises at least two capacitance group (32), described at least two capacitance group (32) are staggered on described drawer structure spare (31), and each capacitance group (32) comprises at least one electric capacity (321).
3. high voltage frequency converter power module according to claim 2, it is characterized in that, described capacitor cell (30) comprises three capacitance group (32), and described three capacitance group (32) are staggered on described drawer structure spare (31), and each capacitance group (32) comprises three electric capacity (321).
4. according to claim 2 or 3 described high voltage frequency converter power modules, it is characterized in that, described high voltage frequency converter power module also comprises the electrical connection module (4) that is used to form loop of power circuit, described electrical connection module (4) comprising: the negative copper bar (40) of being located at the mutually insulated on the described capacitance component (3), positive copper bar (43), and be installed on two igbts (44) on the radiator (2), diode combination (45), described negative copper bar (40), positive copper bar (43) respectively with described two igbts (44), diode combination (45) is connected.
5. high voltage frequency converter power module according to claim 4 is characterized in that, the positive pole of described each electric capacity (321) is towards a side setting of radiator (2), and negative pole is towards the opposite side setting; Series connection copper bar (42) is installed on adjacent two capacitance group (32) and passes through series connection copper bar (42) electrical communication, near described positive copper bar (43) is installed on the positive pole of the capacitance group (32) of radiator (2), on the negative pole away from the capacitance group (32) of radiator (2) described negative copper bar (40) is installed.
6. high voltage frequency converter power module according to claim 4, it is characterized in that, described negative copper bar (40) is located at the top of described positive copper bar (43), bears copper bar (40) and just is equipped with dielectric film (41) between the copper bar (43) and insulate mutually by this dielectric film (41).
7. high voltage frequency converter power module according to claim 4, it is characterized in that, described positive copper bar (43) is provided with three positive straps (431), and described three positive straps (431) electrically connect with the positive pole of described diode combination (45), two igbts (44) respectively; Described negative copper bar (40) is provided with three negative pole braces (401), and described three negative pole braces (401) electrically connect with the negative pole of described diode combination (45), two igbts (44) respectively.
8. high voltage frequency converter power module according to claim 2, it is characterized in that, described drawer structure spare (31) is provided with the through hole (34) that is used to insert electric capacity (321), and the clip (33) that is used for fixing electric capacity (321) is installed accordingly, described clip (33) is connected in the lower surface of described through hole (34), and a side of clip (33) is provided with and is used for locking or loosens the trip bolt (332) of clip (33); Described electric capacity (321) is arranged in the through hole (34) of drawer structure spare (31), and is fixed on the drawer structure spare (31) by clip (33).
9. high voltage frequency converter power module according to claim 2, it is characterized in that, the both sides of described mounting groove (11) are provided with slideway (15), the both sides of described drawer structure spare (31) are provided with slipping part (35) accordingly, described capacitance component (3) is by the slipping part (35) of drawer structure spare (31) both sides and being equipped with of slideway (15), in the mounting groove that places cabinet (1) (11) that can extract.
10. high voltage frequency converter power module according to claim 1 is characterized in that, described radiator (2) can extract places described storage tank (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202620041U CN201616766U (en) | 2009-12-24 | 2009-12-24 | Power module for high-pressure frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202620041U CN201616766U (en) | 2009-12-24 | 2009-12-24 | Power module for high-pressure frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201616766U true CN201616766U (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202620041U Expired - Lifetime CN201616766U (en) | 2009-12-24 | 2009-12-24 | Power module for high-pressure frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201616766U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013060128A1 (en) * | 2011-10-27 | 2013-05-02 | 荣信电力电子股份有限公司 | Multi-unit integrated drawer type power module based on fully-controlled device |
| CN105490508A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | High-voltage frequency converter power unit |
| CN107294398A (en) * | 2017-07-14 | 2017-10-24 | 华远电气股份有限公司 | Frequency converter box assembly |
| US10707768B2 (en) | 2013-05-22 | 2020-07-07 | Abb Schweiz Ag | Power module for medium and high-voltage frequency converter and frequency converter comprising same |
-
2009
- 2009-12-24 CN CN2009202620041U patent/CN201616766U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013060128A1 (en) * | 2011-10-27 | 2013-05-02 | 荣信电力电子股份有限公司 | Multi-unit integrated drawer type power module based on fully-controlled device |
| US10707768B2 (en) | 2013-05-22 | 2020-07-07 | Abb Schweiz Ag | Power module for medium and high-voltage frequency converter and frequency converter comprising same |
| CN105490508A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | High-voltage frequency converter power unit |
| CN107294398A (en) * | 2017-07-14 | 2017-10-24 | 华远电气股份有限公司 | Frequency converter box assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park B2 building 1-4 floor, building 6-10 Patentee after: Vitamin Technology Co., Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Branch Road, No. Patentee before: Aimosheng Network Energy Source Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101027 |
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| CX01 | Expiry of patent term |