CN203339937U - Power unit sub module and explosion-proof frequency converter - Google Patents
Power unit sub module and explosion-proof frequency converter Download PDFInfo
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- CN203339937U CN203339937U CN2013203831101U CN201320383110U CN203339937U CN 203339937 U CN203339937 U CN 203339937U CN 2013203831101 U CN2013203831101 U CN 2013203831101U CN 201320383110 U CN201320383110 U CN 201320383110U CN 203339937 U CN203339937 U CN 203339937U
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- power cell
- explosion
- keyset
- heat radiation
- cell submodule
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Abstract
The utility model discloses a power unit sub module and an explosion-proof frequency converter. The power unit sub module comprises a cooling switching board, a support rack, at least one power device, a capacitor assembly, and a drive board. The support rack is fixed at the cooling switching board; the power device is attached to and is fixed at the upper surface of the cooling switching board; the capacitor assembly is fixed at the support rack and is electrically connected with the power device by a composite laminated copper bar arranged at the support rack; the drive board is arranged on the support rack and is electrically connected with the power device. The provided power unit sub module has the advantages of convenient assembling and maintenance operations for the staff.
Description
Technical field
The utility model relates to the converter technology field, refers in particular to a kind of power cell submodule group and adopts the explosion-proof frequency converter of this power cell submodule group.
Background technology
Frequency control has good speed adjusting performance and significant energy-saving effect, and it is more and more for being widely used in various industrial control fields.In the applied environment such as mine, oil etc., due to the particularity of workplace, require the frequency converter used to possess special structure (for example possessing explosion-proof casing) to guarantee the safety of operation.And the existing explosion-proof frequency converter that is applied to particular surroundings, often exist the installation step complexity, be unfavorable for the problem of Assembling and maintenance, for example, for the explosion-proof frequency converter that is applied to the colliery industry, within the relevant components and parts that comprise power device, capacitance component, control board, copper bar etc. that need first will to form the frequency converter movement are installed on explosion-proof casing one by one, installation of heat radiator on explosion-proof casing again, its assembling process is very complicated very.In addition, because the inner space of general explosion-proof casing is very narrow, the assembly manipulation space had is little, and this just is not easy to staff's I& M operation.
So, have and need to be improved the existing package assembly mode that is applied to the explosion-proof frequency converter components and parts of particular surroundings, for the staff facilitates for the I& M operation of frequency converter.
Summary of the invention
The explosion-proof frequency converter that technical problem to be solved in the utility model is to provide a kind of power cell submodule group and adopts this power cell submodule group, it is convenient to staff's I& M operation.
For solving the problems of the technologies described above, the utility model adopts technical scheme as described below: a kind of power cell submodule group, include a heat radiation keyset, one bracing frame, at least one power device, one capacitance component and a drive plate, wherein, support frame as described above is fixed on described heat radiation keyset, described power device attaches and is fixed in surface on described heat radiation keyset, described capacitance component is fixed on support frame as described above, and be electrically connected with described power device by being arranged at the composite laminate copper bar on support frame as described above, described drive plate is fixedly arranged on support frame as described above, and be electrically connected with described power device.
In above-mentioned power cell submodule group, the opposite two ends of support frame as described above respectively is formed with a bending edges, and the residing horizontal plane of described bending edges, higher than the residing horizontal plane in the bottom surface of support frame as described above, is formed with at least one fixing hole on each bending edges.
In above-mentioned power cell submodule group, support frame as described above is formed with an opening position corresponding to described heat radiation keyset part, and described power device is arranged on described heat radiation keyset corresponding to described opening position.
In above-mentioned power cell submodule group, described capacitance component vertically is arranged at the end of support frame as described above.
In above-mentioned power cell submodule group, place, the back side of described heat radiation keyset is formed with at least one alignment pin.
A kind of explosion-proof frequency converter, include an explosion-proof casing and at least one power cell, and described power cell consists of three above-mentioned power cell submodule groups.
In above-mentioned explosion-proof frequency converter, be formed with at least one opening on the installation backboard of described explosion-proof casing, at least one radiator is fixedly installed on described installation backboard corresponding to described opening with its substrate, and the heat radiation keyset of described power cell submodule group is attached on the substrate of described radiator.
In above-mentioned explosion-proof frequency converter, place, the back side of the heat radiation keyset of described power cell submodule group is formed with at least one alignment pin, is formed with the location hole that at least one and described alignment pin coordinates on described radiator.
In above-mentioned explosion-proof frequency converter, the opposite two ends of the bracing frame of described power cell submodule group respectively is formed with a bending edges, the residing horizontal plane of described bending edges is higher than the residing horizontal plane in the bottom surface of support frame as described above, be formed with at least one fixing hole on each bending edges, use the shell of a lower surface opening by three power cell submodule group cover caps in the inner, wherein, described heat radiation keyset exposes outside the bottom surface of described shell, two bending edges of support frame as described above stretch out in respectively the two ends of described shell, the connection copper bar of drawing from the power device of each power cell submodule group stretches out in outside described shell.
In above-mentioned explosion-proof frequency converter, use screw to be screwed together in the installation backboard of described explosion-proof casing or to be screwed together in the securing supports be fixed on described installation backboard through the fixing hole of the bending edges of support frame as described above.
Useful technique effect of the present utility model is: the power cell of explosion-proof frequency converter consists of three identical power cell submodule groups of structure, each power cell submodule group includes the heat radiation keyset, bracing frame, power device, capacitance component and drive plate, it is a module with standalone feature, like this, the power cell submodule group of can take in working site is assembled or is safeguarded as unit, be convenient to the installation and maintenance work of staff to explosion-proof frequency converter, solved due to the narrow and small problem that is not easy to installation and maintenance in explosion-proof casing inner space, when needs are safeguarded explosion-proof frequency converter, power cell submodule group directly can be dismantled and taken out outside explosion-proof casing and detected or change, like this, can improve maintenance efficiency, and the difficulty of reduction maintenance.
The accompanying drawing explanation
Fig. 1 is the structural representation of facing of explosion-proof frequency converter.
Fig. 2 is the perspective view of explosion-proof frequency converter.
Fig. 3 is the structural representation of power cell.
Fig. 4 is the perspective view of power cell submodule group.
Fig. 5 is the perspective view of another angle of power cell submodule group.
Embodiment
For making those of ordinary skill in the art more be expressly understood technical problem to be solved in the utility model, technical scheme and useful technique effect, below in conjunction with drawings and Examples, the utility model is further elaborated.
Explosion-proof frequency converter disclosed in the utility model can be used for the explosive gas atmosphere such as colliery, oil exploitation etc., and shown in seeing figures.1.and.2, it includes an explosion-proof casing 10 and at least one power cell 20 be installed within this explosion-proof casing 10.The quantity of set power cell 20, determine according to the specification of explosion-proof frequency converter, can be one, can be also a plurality of, and for example, in embodiment more of the present utility model, explosion-proof frequency converter adopts two or three power cells that are arranged side by side 20.
Consult Fig. 3 to Fig. 5, this power cell 20 consists of three identical power cell submodule groups 21 of structure, this power cell submodule group 21 includes a heat radiation keyset 210, one bracing frame 211, at least one power device 212, one capacitance component 213 and a drive plate 214, wherein, this bracing frame 211 is fixed on this heat radiation keyset 210, this power device 212 attaches and is fixed in surface on this heat radiation keyset 210, this capacitance component 213 is fixed on this bracing frame 211, and be electrically connected with this power device 212 by being arranged at the composite laminate copper bar 215 on this bracing frame 211, this drive plate 214 is fixedly arranged on this bracing frame 211 and with this power device 212 and is electrically connected.In the embodiment shown in the figures, between power device 212 and drive plate 214, by cable 216, be electrically connected.
As shown in drawings, this bracing frame 211 is formed with an opening position 2110 corresponding to these heat radiation keyset 210 parts, and this power device 212 is arranged on this heat radiation keyset 210 corresponding to this opening position 2110.Because this power device 212 is attached on this heat radiation keyset 210, the heat produced during work can dispel the heat keyset 210 and conduct fast via this.According to actual needs, the set power device 212 of each power cell submodule group 21 can be one, can be also more than one.
Preferably, this capacitance component 213 vertically is arranged at the end of this bracing frame 211, like this, can reduce the projected area of power cell submodule group 21, within being beneficial to it is assembled in to explosion-proof casing 10.
Shown in Fig. 5, place, the back side of this heat radiation keyset 210 is formed with at least one alignment pin 2100.When power cell submodule group 21 is installed on explosion-proof casing 10 inside, by this alignment pin 2100 be formed at radiator 30 on the coordinating of location hole (not shown in FIG.), can play the effect of this power cell submodule group 21 of accurate location, screw easy to use is fixed in the heat radiation keyset 210 of this power cell submodule group 21 on radiator 30.In the embodiment shown in the figures, in the place, the back side of each heat radiation keyset 210, be formed with two alignment pins 2100, apparently, in other embodiment, can or alignment pin 2100 still less more at place, the back side formation number of this keyset 210 that dispels the heat.
As shown in drawings, preferably, the opposite two ends of this bracing frame 211 respectively is formed with a bending edges 2111, and the residing horizontal plane of this bending 2111, higher than the residing horizontal plane in the bottom surface of this bracing frame 211, is formed with at least one fixing hole 2112 on each bending edges 2111.When power cell submodule group 21 is installed within explosion-proof casing 10, leave enough spacings between fixing hole 2112 on this bending edges 2111 and the installation backboard 100 of explosion-proof casing 10, so, the securing supports that can select corresponding size for the staff, so that power cell submodule group 21 is fixed, reduces the machining tolerance requirement for the installation backboard 100 of explosion-proof casing 10.
Consult shown in Fig. 3, electrical connection between each power cell submodule group 21 of power cell 20 can adopt prior art to carry out, three power cell submodule groups 21 that form a power cell 20 are arranged side by side, and the shell 22 that uses a lower surface opening by three power cell submodule group 21 cover caps in the inner, wherein, this heat radiation keyset 210 exposes outside the bottom surface of this shell 22, and two bending edges 2111 of this bracing frame 211 stretch out in respectively the two ends of this shell 22.217 of the connection copper bars of drawing from the power device 212 of each power cell submodule group 21 stretch out in outside this shell 22, and 217 of the connection copper bars of three power cell submodule groups 21 have formed three of power cell 20 copper bar that is connected.
Shown in Fig. 1 and Fig. 2, be formed with at least one opening on the installation backboard 100 of this explosion-proof casing 10, at least one radiator 30 is fixedly installed on corresponding to the mode of this opening on this installation backboard 100 with its substrate.Within this power cell 20 is arranged to this explosion-proof casing 10, and the heat radiation keyset 210 of power cell submodule group 21 is attached on the substrate of this radiator 30.Power cell 20 is with respectively the power cell submodule group 21 of heat radiation keyset 210 to form by three, three heat radiation keysets 21 are attached on the substrate of radiator 30 independently of one another, like this, the area of heat radiation keyset 210 can be made littlely, the substrate of itself and radiator 30 is more closely attached, realize good thermo-contact, and improve radiating effect.Because the surface area of the substrate of radiator 30 is generally larger, and flatness exists certain tolerance, as larger as the area of the keyset 210 that dispels the heat, be difficult to guarantee the assembly precision between heat radiation keyset 210 and substrate, both thermo-contacts are poor and reduce radiating effect.
In embodiment more of the present utility model, explosion-proof frequency converter has adopted the power cell 20 be arranged side by side more than two, on the installation backboard 100 of explosion-proof casing 10, correspondence offers plural opening side by side, plural radiator 30 correspondence respectively is fixedly installed on described opening part, is respectively used to as described power cell 20 heat radiations.
In embodiment more of the present utility model, this heat radiation keyset 210 is attached on this radiator 30, and uses screw be spirally connected this heat radiation keyset 210 and radiator 30, and realizes being fixedly installed of power cell submodule group 21.
In embodiment more of the present utility model, use screw to be screwed together in the installation backboard 100 of this explosion-proof casing 10 or to be screwed together in the securing supports (not shown in FIG.) be fixed on this installation backboard 100 through the fixing hole 2112 of the bending edges 2111 of this bracing frame 211, thereby realize the fixed installation of power cell submodule group 21 in this explosion-proof casing 10.
In sum, the power cell 20 of explosion-proof frequency converter consists of three identical power cell submodule groups 21 of structure, each power cell submodule group 21 includes hot keyset 210, bracing frame 211, power device 212, capacitance component 213 and drive plate 214, it is a module with standalone feature, like this, the power cell submodule group 21 of can take in working site is assembled or is safeguarded as unit, be convenient to the installation and maintenance work of staff to explosion-proof frequency converter, solved due to the narrow and small problem that is not easy to installation and maintenance in explosion-proof casing 10 inner spaces, when needs are safeguarded explosion-proof frequency converter, power cell submodule group 21 directly can be dismantled and taken out outside explosion-proof casing 10 and detected or change, like this, can improve maintenance efficiency, and the difficulty of reduction maintenance.
The foregoing is only preferred embodiment of the present utility model, but not the utility model is done to any pro forma restriction.Those skilled in the art can impose the various changes that are equal to and improvement on the basis of above-described embodiment, and all equivalent variations of doing in the claim scope or modification, within all should falling into protection range of the present utility model.
Claims (10)
1. a power cell submodule group, it is characterized in that: described power cell submodule group (21) includes a heat radiation keyset (210), one bracing frame (211), at least one power device (212), one capacitance component (213) and a drive plate (214), wherein, support frame as described above (211) is fixed on described heat radiation keyset (210), described power device (212) attaches and is fixed in surface on described heat radiation keyset (210), described capacitance component (213) is fixed on support frame as described above (211), and be electrically connected with described power device (212) by being arranged at the composite laminate copper bar (215) on support frame as described above (211), described drive plate (214) is fixedly arranged on support frame as described above (211), and be electrically connected with described power device (212).
2. power cell submodule group as claimed in claim 1, it is characterized in that: the opposite two ends of support frame as described above (211) respectively is formed with a bending edges (2111), the residing horizontal plane of described bending edges (2111), higher than the residing horizontal plane in bottom surface of support frame as described above (211), is formed with at least one fixing hole (2112) on each bending edges (2111).
3. power cell submodule group as claimed in claim 1, it is characterized in that: support frame as described above (211) is formed with an opening position (2110) corresponding to described heat radiation keyset (210) part, and described power device (212) is arranged on described heat radiation keyset (210) corresponding to described opening position (2110).
4. power cell submodule group as claimed in claim 1, it is characterized in that: described capacitance component (213) vertically is arranged at the end of support frame as described above (211).
5. power cell submodule group as claimed in claim 1 is characterized in that: the place, the back side of described heat radiation keyset (210) is formed with at least one alignment pin (2100).
6. an explosion-proof frequency converter, include an explosion-proof casing (10) and at least one power cell (20), it is characterized in that: described power cell (20) consists of three power cell submodule groups as claimed in claim 1 (21).
7. explosion-proof frequency converter as claimed in claim 6, it is characterized in that: on the installation backboard (100) of described explosion-proof casing (10), be formed with at least one opening, at least one radiator (30) is fixedly installed on described installation backboard (100) corresponding to described opening with its substrate, and the heat radiation keyset (210) of described power cell submodule group (21) is attached on the substrate of described radiator (30).
8. explosion-proof frequency converter as claimed in claim 7, it is characterized in that: the place, the back side of the heat radiation keyset (210) of described power cell submodule group (21) is formed with at least one alignment pin (2100), is formed with the location hole that at least one and described alignment pin (210) coordinates on described radiator (30).
9. explosion-proof frequency converter as claimed in claim 7, it is characterized in that: the opposite two ends of the bracing frame (211) of described power cell submodule group (21) respectively is formed with a bending edges (2111), the residing horizontal plane of described bending edges (2111) is higher than the residing horizontal plane in bottom surface of support frame as described above (211), be formed with at least one fixing hole (2112) on each bending edges (2111), use the shell (22) of a lower surface opening by three power cell submodule groups (21) cover cap in the inner, wherein, described heat radiation keyset (210) exposes outside the bottom surface of described shell (22), two bending edges (2111) of support frame as described above (211) stretch out in respectively the two ends of described shell (22), the connection copper bar (217) of drawing from the power device (212) of each power cell submodule group (21) stretches out in outside described shell (22).
10. explosion-proof frequency converter as claimed in claim 9, is characterized in that: use screw be screwed together in the installation backboard (100) of described explosion-proof casing (10) or be screwed together in the securing supports be fixed on described installation backboard (100) through the fixing hole (2112) of the bending edges (2111) of support frame as described above (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203831101U CN203339937U (en) | 2013-06-28 | 2013-06-28 | Power unit sub module and explosion-proof frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203831101U CN203339937U (en) | 2013-06-28 | 2013-06-28 | Power unit sub module and explosion-proof frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339937U true CN203339937U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203831101U Expired - Fee Related CN203339937U (en) | 2013-06-28 | 2013-06-28 | Power unit sub module and explosion-proof frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339937U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113188A (en) * | 2014-07-29 | 2014-10-22 | 青岛威控电气有限公司 | Coal mine explosion-proof frequency converter |
| CN114172455A (en) * | 2021-12-07 | 2022-03-11 | 珠海格力电器股份有限公司 | Mounting bracket and converter |
-
2013
- 2013-06-28 CN CN2013203831101U patent/CN203339937U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113188A (en) * | 2014-07-29 | 2014-10-22 | 青岛威控电气有限公司 | Coal mine explosion-proof frequency converter |
| CN114172455A (en) * | 2021-12-07 | 2022-03-11 | 珠海格力电器股份有限公司 | Mounting bracket and converter |
| CN114172455B (en) * | 2021-12-07 | 2024-05-03 | 珠海格力电器股份有限公司 | Mounting frame and frequency converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou INVT Electric Equipment Co. Ltd. Assignor: Shenzhen Yingweiteng Electric Co., Ltd. Contract record no.: 2014440020065 Denomination of utility model: Power unit sub module and explosion-proof frequency converter Granted publication date: 20131211 License type: Exclusive License Record date: 20140226 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Suzhou INVT Electric Equipment Co. Ltd. Assignor: Shenzhen Yingweiteng Electric Co., Ltd. Contract record no.: 2014440020065 Date of cancellation: 20150330 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: INVT POWRE ELECTRONICS (SUZHOU) CO., LTD. Assignor: Shenzhen Yingweiteng Electric Co., Ltd. Contract record no.: 2015440020101 Denomination of utility model: Power unit sub module and explosion-proof frequency converter Granted publication date: 20131211 License type: Exclusive License Record date: 20150330 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20200628 |