CN201846223U - Frequency changer - Google Patents
Frequency changer Download PDFInfo
- Publication number
- CN201846223U CN201846223U CN2010205746631U CN201020574663U CN201846223U CN 201846223 U CN201846223 U CN 201846223U CN 2010205746631 U CN2010205746631 U CN 2010205746631U CN 201020574663 U CN201020574663 U CN 201020574663U CN 201846223 U CN201846223 U CN 201846223U
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- CN
- China
- Prior art keywords
- castor
- external member
- frequency converter
- power external
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of frequency changers, in particular to a frequency changer of which a power assembly can be conveniently taken out. The frequency changer comprises a frequency changer frame and the power assembly with a power assembly bracket; and a sliding pair is formed by the bottom of the power assembly bracket and the frequency changer frame in the removal direction of the power assembly. When components in the power assembly of the frequency changer need to be maintained, the power assembly can be drawn in the removal direction of the power assembly, and the power assembly and the frequency changer frame can slide relative to each other, so that the power assembly can be rapidly and conveniently moved out of the frequency changer frame, which can decrease the number of on-site maintainers, reduce the labor cost, dispense with special removal equipment, shorten the shutdown time caused by the removal of the power assembly, and lower the shutdown loss.
Description
Technical field
The utility model relates to the converter technology field, relates in particular to the frequency converter that a kind of power external member is convenient to take out.
Background technology
Frequency converter is the on-off action that utilizes power semiconductor device; power frequency supply is transformed to the electric energy control device of another frequency, and it has soft start, frequency control, raising running accuracy to alternating current machine, changes power factor, overcurrent/overvoltage/functions such as overload protection.Frequency converter is widely used in the various industrial production, occurred mine-used frequency-converter, railway locomotive with frequency converter, blower fan water pump with frequency converters such as frequency converters.
Frequency converter generally includes frequency converter framework, power external member etc., and the power external member is arranged in the frequency converter framework usually.Wherein, generally be provided with in the power external member: capacitance group is used to finish filtering, energy-storage function; Power device mainly is made of diode, IGBT etc., is used to finish the conversion of alternating current-direct current electric energy; Stack bus bar is used to provide the direct current power path; Cooled plate is used to parts such as power device, resistance that better heat radiation support is provided; Power external member support is used to above-mentioned each parts and other structure members to provide support connection.
Along with colliery maximization direction develops; mine-used frequency-converter is also to maximization; the high-power direction develops; mine-used frequency-converter equipment is huge; carry out the installation of mine-used frequency-converter at the scene; debugging; safeguard; during maintenance; usually the critical piece power external member of mine-used frequency-converter need be shifted out in the frequency converter framework; power external member structure is huge; weight is also bigger; when the power external member is shifted out in the frequency converter framework; need to adopt the special equipment that shifts out or use more manpower; and need the long time, and so just brought many inconvenience for on-the-spot maintenance, cost of labor is higher; downtime is longer, and is also bigger by the long loss that causes downtime.
In addition, because power external member structure is huge, weight is bigger, after shifting out in the frequency converter framework, the carrying of power external member or move comparatively difficulty.
Therefore, how developing a kind of power external member can be fast, shift out frequency converter easily in the frequency converter framework, becomes the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of this utility model provides a kind of frequency converter, and the power external member of this frequency converter can be fast, shift out in the frequency converter framework easily.
To achieve these goals, the utility model provides a kind of frequency converter, comprise the frequency converter framework, have the power external member of power external member support, shift out direction, form sliding pair between the bottom of described power external member support and the described frequency converter framework in described power external member.
Preferably, the two bottom sides of described power external member support is equipped with slide rail or chute, and described frequency converter framework is provided with chute or the slide rail that matches with described slide rail or described chute.
Preferably, the bottom of described power external member support also is provided with the tourelle that is used for forming with ground rolling pair.
Preferably, described tourelle is collapsible tourelle.
Preferably, described tourelle comprises anterior caster device and the rear foot wheel apparatus of being located at described power external member frame bottom.
Preferably, described anterior caster device comprises that the two ends of first transverse axis, first castor, second castor, described first transverse axis fix by the bottom of fixed head and described power external member support, and described first castor, described second castor are connected with described first transverse axis by the first castor connector, the second castor connector respectively.
Preferably, the described first castor connector, the described second castor connector all articulate with described first transverse axis.
Preferably, be equipped with torsion spring between the described first castor connector, the described second castor connector and described first transverse axis; Be provided with extension spring between the described first castor connector, the described second castor connector.
Preferably, described first castor and the described first castor connector form and are rotatably connected; Second castor and the described second castor connector form and are rotatably connected.
Preferably, described rear foot wheel apparatus comprises that the two ends of second transverse axis, the 3rd castor, the 4th castor, described second transverse axis fix by the bottom of fixed head and described power socket support, and described the 3rd castor, described the 4th castor are connected with described second transverse axis by the 3rd castor connector, the 4th castor connector respectively.
The frequency converter that the utility model provides, the power external member is placed in the frequency converter framework, form sliding pair between the bottom of the power external member support of power external member and the frequency converter framework, promptly power external member frame bottom can be slided along the direction that shifts out the power external member on the frequency converter framework.
In the time of need safeguarding the parts in the power external member of frequency converter; can shift out direction draw power external member along the power external member; slide relative takes place between power external member and the frequency converter framework; just can be fast, easily the power external member is shifted out in the frequency converter framework; can reduce on-the-spot required attendant's quantity, reduce cost of labor, also not need the special equipment that shifts out; can shorten because of shifting out the downtime that the power external member is caused, reduce shutdown loss.
In the preferred version, the bottom of described power external member support also is provided with the tourelle that is used for forming with ground rolling pair.After the power external member shifted out in the frequency converter framework, for the ease of transportation or mobile power external member, bottom at power external member support is provided with tourelle, can make and form rolling pair between power external member and the ground, promptly push away or when drawing the power external member, under the effect of tourelle, the power external member can move easily along the bottom surface.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of frequency converter provided by the utility model;
Fig. 2 is that the power external member of frequency converter among Fig. 1 is in the structural representation when pulling out state;
Fig. 3 is the structural representation of power external member among Fig. 1;
Structural representation when Fig. 4 is in open mode for tourelle among Fig. 3;
Structural representation when Fig. 5 is in folded state for tourelle among Fig. 3;
Fig. 6 is the structural representation of Fig. 4 middle front part caster device;
Fig. 7 is the structural representation of Fig. 4 postmedian caster device;
Wherein, among Fig. 1-Fig. 7:
Power external member 1, power external member support 11, slide rail 12, tourelle 13, anterior caster device 131, first castor 1311, second castor 1312, the first castor connector 1313, the second castor connector 1314, first transverse axis 1315, fixed head 1316, torsion spring 1317, extension spring 1318, rear foot wheel apparatus 132, the 3rd castor 1321, the 4th castor 1322, the 3rd castor connector 1323, the 4th castor connector 1324, electric capacity 14, stack bus bar 15, fuse 16, power device 17, cooled plate 18, frequency converter framework 2, chute 22.
Embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 1, Fig. 2, Fig. 1 is the structural representation of a kind of embodiment of frequency converter provided by the utility model, and Fig. 2 is that the power external member of frequency converter among Fig. 1 is in the structural representation when pulling out state.
As shown in Figure 1 and Figure 2, the frequency converter that the utility model provides, comprise power external member 1, frequency converter framework 2, power external member 1 is positioned in the frequency converter framework 2, shift out direction in power external member 1, form sliding pair between the bottom of power external member support 11 and the frequency converter framework 2, promptly can slide along the direction that shifts out power external member 1 on frequency converter framework 2 in power external member support 11 bottoms.
In the time of need safeguarding the parts in the power external member 1 of frequency converter; can shift out direction draw power external member 1 along power external member 1; as shown in Figure 2; slide relative takes place between power external member 1 and the frequency converter framework 2, just can be fast, easily power external member 1 is shifted out in frequency converter framework 2, can reduce present required attendant's quantity; reduced cost of labor; do not need the special equipment that shifts out yet, can shorten, reduced shutdown loss because of shifting out the downtime that power external member 1 is caused.
In the concrete scheme, as shown in Figure 3, power external member 1 can comprise power external member support 11, electric capacity 14, stack bus bar 15, fuse 16, power device 17, cooled plate 18.Wherein, electric capacity 14, stack bus bar 15, fuse 16, power device 17, cooled plate 18 are prior art, and itself and inventive point of the present utility model have nothing to do, and no longer do detailed annotation introduction at this.
In a kind of concrete execution mode, the sliding pair that forms between the bottom of power external member support 11 and the frequency converter framework 2, be specifically as follows: the bottom of power external member support 11 is provided with slide rail 12, slide rail 12 shifts out the direction setting along power external member 1, the relevant position of frequency converter framework 2 is provided with the chute 22 that matches with slide rail 12, slide rail 12 and chute 22 form sliding pair, slide rail 12 and chute 22 formed sliding pairs, force of sliding friction is less, use less action force, just power external member 1 can be shifted out in frequency converter framework 2.
In the preferred version, the bottom of power external member support 11 also is provided with the tourelle 13 that is used for forming with ground rolling pair, and tourelle 13 moves on the ground in the mode of rolling after can making that power external member 1 shifts out in the frequency converter framework 2.In the concrete scheme, as shown in Figure 1, tourelle 13 can be located at the inboard of slide rail 12, and tourelle can be in the bearing of trend setting of slide rail 12.
After power external member 1 shifted out in the frequency converter framework 2, for the ease of transportation or mobile power external member 1, bottom at power external member support 11 is provided with tourelle 13, can make and form rolling pair between power external member 1 and the ground, promptly push away or when drawing power external member 1, under the effect of tourelle, power external member 1 can move easily along ground.
In the preferred scheme, tourelle 13 can be folding tourelle 13, when using tourelle 13, tourelle 13 can be stretched out, make tourelle 13 stretch out plane, slide rail 12 place, so that tourelle 13 can normally roll, be positioned at frequency converter framework 2 in power external member 1, when not needing to use tourelle 13, can tourelle 13 is folding, make tourelle 13 be positioned in the plane, slide rail 12 place, this structure can be saved the space between power external member support 11 and the frequency converter framework 2, makes that the structure of frequency converter is compact more.
In the concrete scheme, as Fig. 4, shown in Figure 5, tourelle 13 can comprise anterior caster device 131, rear foot wheel apparatus 132, anterior caster device 131 and rear foot wheel apparatus 132 can support the front and rear of power external member 1 simultaneously, can make power external member 1 be in poised state after being supported on ground, be convenient to moving of power component.
More specifically in the scheme, as shown in Figure 6, anterior caster device 131 specifically can comprise first transverse axis 1315, first castor 1311, second castor 1312, first castor 1311, second castor 1312 can be common roller structure, first transverse axis 1315 can be along the direction setting perpendicular to slide rail 12, the two ends of first transverse axis 1315 are fixed by the fixed head 1316 and the bottom of power external member support 11, and first castor 1311, second castor 1312 can connect by the first castor connector 1313, the second castor connector 1314 respectively.
The first castor connector 1313, the second castor connector 1314 can be connected with first transverse axis 1315 by the mode of fixedly connected (as welding), and the anterior caster device 131 of this structure is not collapsible tourelle 13.
The first castor connector 1313, the second castor connector 1314 also can be connected with first connecting axle by the mode that flexibly connects, make anterior caster device 131 form folding tourelle 13, as shown in Figure 3, the first castor connector 1313, the second castor connector 1314 can be connected with first transverse axis 1315 by the mode that articulates.
In the preferred version, in order to make the castor 1311 of winning, second castor 1312 can be stablized and is in folded state or open mode, and can between this two states, carry out freely changing, the first castor connector 1313, be equipped with torsion spring 1317 between the second castor connector 1314 and first transverse axis 1315, the first castor connector 1313, be provided with extension spring 1318 between the second castor connector 1314, under the effect of torsion spring 1317 and extension spring 1318, first castor 1311, second castor 1312 can be stablized and is in folded state or open mode, and can change between this two states freely.
In the preferred version, in the process of mobile power external member 1, in order to make power external member 1 to turn to, promptly in order to make power external member 1 in moving process, can change moving direction arbitrarily, first castor 1311 and 1313 formation of the first castor connector can be rotatably connected, second castor 1312 and second castor 1312 are connected to form and are rotatably connected, for example, first castor 1311 can be connected with the first castor connector 1313 by rotating screw, also can be connected with the first castor connector 1313 by universal joint or ball-joint.
In the concrete scheme, as shown in Figure 7, rear foot wheel apparatus 132 specifically can comprise second transverse axis, the 3rd castor 1321, the 4th castor 1322, the 3rd castor 1321, the 4th castor 1322 can be common roller structure, second transverse axis can be along the direction setting perpendicular to slide rail 12, the two ends of second transverse axis are fixed by the bottom of fixed head and power external member support 11, the 3rd castor 1321, the 4th castor 1322 can pass through the 3rd castor connector 1323 respectively, the 4th castor connector 1324 connects, the similar of the structure of rear foot wheel apparatus 132 and anterior caster device 131 no longer is described in detail at this.
In the foregoing description; the sliding pair that forms between power external member frame bottom and the frequency converter framework is to establish slide rail, on the frequency converter framework chute is set in the bottom of power socket support; the utility model is not limited thereto; can also chute be set, on the frequency converter framework, slide rail be set in power external member frame bottom; form described sliding pair according to this, both of these case all should be in protection range of the present utility model.
Frequency converter provided by the utility model can be used as mine-used frequency-converter, railway locomotive uses with frequency converters such as frequency converters with frequency converter, blower fan water pump.
The above only is the description of the preferred implementation of utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a frequency converter comprises the frequency converter framework, has the power external member of power external member support, it is characterized in that, shifts out direction in described power external member, forms sliding pair between the bottom of described power external member support and the described frequency converter framework.
2. frequency converter according to claim 1 is characterized in that, the two bottom sides of described power external member support is equipped with slide rail or chute, and described frequency converter framework is provided with chute or the slide rail that matches with described slide rail or described chute.
3. frequency converter according to claim 1 is characterized in that, the bottom of described power external member support also is provided with the tourelle that is used for forming with ground rolling pair.
4. frequency converter according to claim 3 is characterized in that, described tourelle is collapsible tourelle.
5. according to claim 3 or 4 described frequency converters, it is characterized in that described tourelle comprises anterior caster device and the rear foot wheel apparatus of being located at described power external member frame bottom.
6. frequency converter according to claim 5, it is characterized in that, described anterior caster device comprises that the two ends of first transverse axis, first castor, second castor, described first transverse axis fix by the bottom of fixed head and described power external member support, and described first castor, described second castor are connected with described first transverse axis by the first castor connector, the second castor connector respectively.
7. frequency converter according to claim 6 is characterized in that, the described first castor connector, the described second castor connector all articulate with described first transverse axis.
8. frequency converter according to claim 7 is characterized in that, is equipped with torsion spring between the described first castor connector, the described second castor connector and described first transverse axis; Be provided with extension spring between the described first castor connector, the described second castor connector.
9. frequency converter according to claim 8 is characterized in that, described first castor and the described first castor connector form and be rotatably connected; Second castor and the described second castor connector form and are rotatably connected.
10. frequency converter according to claim 5, it is characterized in that, described rear foot wheel apparatus comprises that the two ends of second transverse axis, the 3rd castor, the 4th castor, described second transverse axis fix by the bottom of fixed head and described power socket support, and described the 3rd castor, described the 4th castor are connected with described second transverse axis by the 3rd castor connector, the 4th castor connector respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205746631U CN201846223U (en) | 2010-10-15 | 2010-10-15 | Frequency changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205746631U CN201846223U (en) | 2010-10-15 | 2010-10-15 | Frequency changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201846223U true CN201846223U (en) | 2011-05-25 |
Family
ID=44041099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205746631U Expired - Fee Related CN201846223U (en) | 2010-10-15 | 2010-10-15 | Frequency changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201846223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223055A (en) * | 2011-06-20 | 2011-10-19 | 深圳市英威腾电气股份有限公司 | Frequency converter with master device installed in modularized way |
-
2010
- 2010-10-15 CN CN2010205746631U patent/CN201846223U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223055A (en) * | 2011-06-20 | 2011-10-19 | 深圳市英威腾电气股份有限公司 | Frequency converter with master device installed in modularized way |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20141015 |
|
| EXPY | Termination of patent right or utility model |