CN103441653A - Transducer with novel mounting structure of power device - Google Patents
Transducer with novel mounting structure of power device Download PDFInfo
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- CN103441653A CN103441653A CN2013104194815A CN201310419481A CN103441653A CN 103441653 A CN103441653 A CN 103441653A CN 2013104194815 A CN2013104194815 A CN 2013104194815A CN 201310419481 A CN201310419481 A CN 201310419481A CN 103441653 A CN103441653 A CN 103441653A
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Abstract
The invention provides a transducer with a novel mounting structure of a power device. The transducer comprises an outer barrel, an inner barrel, a transducer main body and an end cover, wherein the outer barrel can enter inside a wellhole; the inner barrel is internally sleeved in the outer barrel and a wellhole rod body can penetrate through the inner barrel; the transducer main body is arranged inside a containing cavity between the inner barrel and the outer barrel; the end cover is respectively connected with the inner barrel and the outer barrel in a sealing way, and comprises a through hole through which the wellhole rod body passes; a mounting area is formed at the inner wall of the outer barrel; the transducer main body comprises a plurality of power devices, and a drive plate; the plurality of power devices are arranged inside the mounting area; the drive plate is arranged inside the mounting area and connected with the power devices. The transducer can enter inside the wellhole along with the wellhole rod body, so that the use cost is reduced; the use reliability is also improved. The power devices are arranged inside the mounting area; the drive plate is also arranged inside the mounting area; the interior space of the transducer is reasonably utilized, so that the internal structure of the transducer is more compact and smaller in volume; the heat dispersion of the transducer is also effectively improved. Thus, the transducer can be applied to a downhole high-temperature environment.
Description
Technical field
The present invention relates to drilling equipment Frequency Drive Control technical field, more particularly, relate to a kind of frequency converter with power device novel mounting structure.
Background technology
Frequency converter is the visual plant in the frequency control field, is widely used in traditional industry (as weaving, pottery, machine tooling etc.).At present, common common frequency converter mainly comprises: casing, and be positioned at the frequency converter main body of casing; Wherein the frequency converter main body mainly comprises power device IGBT(Insulated Gate Bipolar Transistor), the drive plate be connected with power device, the control board be connected with drive plate, capacitance component; Wherein, drive plate and control board are provided with I/O(input/output) interface.The frequency converter of different capacity grade, vary in size, and transducer power is larger usually, and its volume is also larger.Usually the casing of frequency converter is rectangular-shaped.
In down-hole exploration and oil exploitation application, the Frequency Drive Control of pit gear is had a wide range of applications, existence is the demand in pit gear by application of frequency converter.In down-hole exploration and oil exploitation application, the cross section of hoistway is circular, and the hoistway body of rod of pit gear (being driven the body of rod that is rotated or repeatedly moves back and forth such as drilling rod, sucker rod, the bar that draws water etc. by motor) need to stretch in hoistway and carry out work.For example, in the oil exploitation industry, there is specific criteria in diameter for hoistway and the hoistway body of rod, usually the hoistway diameter is 116mm, hoistway body of rod diameter is 64mm, existing frequency converter casing is rectangular-shaped, frequency converter can only be placed on the top (on the ground outside hoistway) of hoistway mouth, then by controlling cable and drive cable, receives on the oil pumper in hoistway.But, for darker hoistway, on the motor that control cable that need to be longer and drive cable are received oil pumper, affect the timely response of motor, cause the consumption of power output larger, make the use cost of frequency converter higher; In addition, longer cable is more damaged, causes the dependability of frequency converter lower.
In sum, how reducing the motor impact of response in time, to reduce the consumption of power output, and then reduce the use cost of frequency converter, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The purpose of this invention is to provide a kind of frequency converter with power device novel mounting structure, to reduce the motor impact of response in time, reduce the consumption of power output, and then reduce the use cost of frequency converter.
To achieve these goals, the invention provides following technical scheme:
A kind of frequency converter with power device novel mounting structure, comprise: the urceolus that can enter hoistway, the inner core that inside is placed in described urceolus and can runs through for the hoistway body of rod, frequency converter main body in cavity volume between described inner core and described urceolus, and seal with described urceolus the end cap be connected with described inner core respectively; Wherein,
Described end cap has the through hole passed for the described hoistway body of rod; Described outer tube inner wall has installing zone; Described frequency converter main body comprises: be arranged at some power devices of described installing zone, the drive plate that is positioned at described installing zone place and is connected with described power device.
Preferably, in above-mentioned frequency converter, the number of described installing zone is at least two, and described installing zone distributes along the hoop of described urceolus successively; The number of described drive plate is identical with the number of described installing zone, and described drive plate is connected in series successively.
Preferably, in above-mentioned frequency converter, described installing zone extends axially along described cylindrical shell, between two adjacent described power devices, has gap.
Preferably, in above-mentioned frequency converter, described power device is single tube IGBT.
Preferably, in above-mentioned frequency converter, described single tube IGBT is fixed on described installing zone by screw, and described single tube IGBT is connected with described drive plate by pin; Described drive plate is connected with the inwall of described urceolus by screw or buckle.
Preferably, in above-mentioned frequency converter, described single tube IGBT is to be equally distributed in described installing zone, and described single tube IGBT is close on the surface of described installing zone.
Preferably, in above-mentioned frequency converter, described urceolus is cylinder; Described installing zone is plane.
Preferably, in above-mentioned frequency converter, described urceolus comprises minute cylinder that at least two sealings are connected, and the interface of two described minute cylinders that are connected is parallel to the axis of described urceolus.
Preferably, in above-mentioned frequency converter, the number of described minute cylinder is two, is respectively first minute cylinder and second minute cylinder, and described power device and described drive plate are positioned on described first minute cylinder, and described first minute cylinder of described installing zone hoop decile; The control board of described frequency converter main body is positioned on described second minute cylinder.
Preferably, in above-mentioned frequency converter, on the outer wall of described urceolus, the position of corresponding described installing zone is provided with radiator structure.
Frequency converter with power device novel mounting structure provided by the invention, there is the urceolus that can enter hoistway and the inner core that can run through for the hoistway body of rod, end cap has the through hole passed for the hoistway body of rod, like this, can make the hoistway body of rod run through whole frequency converter, make this frequency converter be distributed in the surrounding of the hoistway body of rod, can effectively utilize the space in hoistway, thereby can avoid the borehole wall to produce and interfere this frequency converter, make this frequency converter to enter hoistway with the hoistway body of rod, shortened the distance of this frequency converter and motor, thereby shortened the length of controlling cable and drive cable, reduced the motor impact of response in time, reduced the consumption of power output, and then reduced the use cost of this frequency converter, simultaneously, also reduce the impaired probability of control cable and drive cable, and then improved the dependability of this frequency converter.
Simultaneously, frequency converter with power device novel mounting structure provided by the invention, be arranged on power device the installing zone of outer tube inner wall, simultaneously, drive plate also is positioned at the installing zone place, like this, make power device and drive plate be positioned at same position, radially distribute successively, take full advantage of the cavity volume between inner core and urceolus, thereby rationally utilized the inner space of this frequency converter, made the internal structure of this frequency converter compacter, made the small volume of this frequency converter.
Simultaneously, frequency converter with power device novel mounting structure provided by the invention, power device is arranged in the installing zone of outer tube inner wall, the heat that makes power device produce directly distributes by urceolus, has effectively improved the heat dispersion of whole frequency converter; Simultaneously, drive plate also is positioned at installing zone, has strengthened the heat radiation of drive plate, thereby has improved the heat dispersion of whole frequency converter.To sum up, the frequency converter with power device novel mounting structure provided by the invention, effectively improved its heat dispersion, makes this frequency converter can be applied to the hot environment of down-hole.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The exploded perspective view of the frequency converter with power device novel mounting structure that Fig. 1 provides for the embodiment of the present invention;
The enlarged diagram that Fig. 2 is A part in Fig. 1;
The part-structure schematic diagram of the frequency converter with power device novel mounting structure that Fig. 3 provides for the embodiment of the present invention;
The transverse sectional view of the frequency converter with power device novel mounting structure that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 illustrates for the external structure of the frequency converter with power device novel mounting structure that the embodiment of the present invention provides;
The enlarged diagram that Fig. 6 is B part in Fig. 5.
In upper Fig. 1-6:
1 is that urceolus, 11 is that installing zone, 12 is that radiating groove, 2 is that inner core, 3 is that electric capacity, 4 is that end cap, 41 is that through hole, 5 is that control board, 6 is that I/O interface, 7 is that drive plate, 8 is power device.
Embodiment
The embodiment of the present invention provides a kind of frequency converter with power device novel mounting structure, can enter hoistway with the hoistway body of rod, has reduced the motor impact of response in time, has reduced the consumption of power output, and then has reduced the use cost of this frequency converter.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
The frequency converter with power device novel mounting structure that the embodiment of the present invention provides, comprise: the urceolus 1 that can enter hoistway, the inner core 2 that inside is placed in urceolus 1 and can runs through for the hoistway body of rod, frequency converter main body in cavity volume between inner core 2 and urceolus 1, with the end cap 4 be connected with 1 sealing of inner core 2 and urceolus respectively; Wherein, end cap 4 has the through hole 41 passed for the hoistway body of rod; The inwall of urceolus 1 has installing zone 11; The frequency converter main body comprises: be arranged at some power devices 8 of installing zone 11, the drive plate 7 that is positioned at installing zone 11 places and is connected with power device 8.
It should be noted that, the hoistway body of rod that the hoistway body of rod is drilling equipment, hoistway is the underground hoistways such as oil exploitation hoistway, down-hole exploration hoistway; The number of end cap 4 is two, lays respectively at the two ends of urceolus 1, on one of them end cap 4, is provided with cable-through hole, so that cable can be connected with the binding post of frequency converter main body.When end cap 4 is enclosed within the outside of inner core 2, through hole 41 can pass for inner core 2, and then guarantees to pass for the hoistway body of rod.The annexation of the miscellaneous part of frequency converter main body is identical with the annexation of prior art, particularly, capacitance component is electrically connected to power device 8, capacitance component comprises capacitor board and is arranged at the electric capacity 3 on capacitor board, electric capacity 3 is arranged on capacitor board, control board 5 is connected with drive plate 7, and drive plate 7 and control board 5 are respectively arranged with I/O interface 6; Can preferentially select, capacitor board, drive plate 7 and control board 5 all are arranged on the inwall of urceolus 1.The set-up mode of capacitor board, electric capacity 3, control board 5, I/O interface 6 is set according to actual needs, and the embodiment of the present invention is not done this particularly and limited.
The frequency converter with power device novel mounting structure that the embodiment of the present invention provides, there is the urceolus 1 that can enter hoistway and the inner core 2 that can run through for the hoistway body of rod, end cap 4 has the through hole 41 passed for the hoistway body of rod, like this, can make the hoistway body of rod run through whole frequency converter, make this frequency converter be distributed in the surrounding of the hoistway body of rod, can effectively utilize the space in hoistway, thereby can avoid the borehole wall to produce and interfere this frequency converter, make this frequency converter to enter hoistway with the hoistway body of rod, shortened the distance of this frequency converter and motor, thereby shortened the length of controlling cable and drive cable, reduced the motor impact of response in time, reduced the consumption of power output, and then reduced the use cost of this frequency converter, simultaneously, also reduce the impaired probability of control cable and drive cable, and then improved the dependability of this frequency converter.
Simultaneously, the frequency converter with power device novel mounting structure that the embodiment of the present invention provides, be arranged on power device 8 installing zone 11 of urceolus 1 inwall, simultaneously, drive plate 7 also is positioned at installing zone 11 places, like this, make power device 8 and drive plate 7 be positioned at same position, radially distribute successively, take full advantage of the cavity volume between inner core 2 and urceolus 1, thereby rationally utilized the inner space of this frequency converter, made the internal structure of this frequency converter compacter, made the small volume of this frequency converter.
Simultaneously, the frequency converter with power device novel mounting structure that the embodiment of the present invention provides, power device 8 is arranged in the installing zone 11 of inwall of urceolus 1, the heat that makes power device 8 produce directly distributes by urceolus 1, has effectively improved the heat dispersion of whole frequency converter; Simultaneously, drive plate 7 also is positioned at installing zone 11, has strengthened the heat radiation of drive plate 7, thereby has improved the heat dispersion of whole frequency converter.To sum up, the frequency converter with power device novel mounting structure that the embodiment of the present invention provides, effectively improved its heat dispersion, makes this frequency converter can be applied to the hot environment of down-hole.
The installation method of the frequency converter with power device novel mounting structure that the embodiment of the present invention provides is: this frequency converter is set in to the outside of the hoistway body of rod, frequency converter is fixedly connected with the hoistway body of rod.The preferential frequency converter of selecting is positioned at the top of motor driving apparatus and is electrically connected to the motor of motor driving apparatus, and motor driving apparatus is fixed on the hoistway body of rod.Realize that frequency converter is fixedly connected with the hoistway body of rod, various ways can be arranged, for example by frequency converter by realizing and indirectly being fixedly connected with of the hoistway body of rod with the motor driving apparatus butt, perhaps directly frequency converter is fixed on the hoistway body of rod, frequency converter can be fixedly connected with by bolt, buckle or binding rope with the hoistway body of rod.The embodiment of the present invention is not done this particularly and is limited.It should be noted that, motor driving apparatus is drill bit apparatus, oil pumper or immersible pump etc.When motor driving apparatus is immersible pump, the hoistway body of rod mainly plays a supportive role, and all with the hoistway body of rod up and down reciprocatingly, when the hoistway body of rod walks downward, frequency converter drives the immersible pump oil suction for frequency converter and immersible pump; When the hoistway body of rod is mentioned both, control motor speed without oil suction to play the effect of saving energy.
Preferably, in the frequency converter with power device novel mounting structure that above-described embodiment provides, the number of installing zone 11 is at least two, and installing zone 11 distributes along the hoop of urceolus 1 successively; The number of drive plate 7 is identical with the number of installing zone 11, and drive plate 7 is connected in series successively.Like this, take full advantage of the space of the cavity volume between inner core 2 and urceolus 1, make the internal structure of this frequency converter compacter, can reduce as much as possible the volume of this frequency converter; Simultaneously, drive plate 7 is identical with the number of installing zone 11, and drive plate 7 is connected in series successively, makes drive plate 7 be laid on the inwall of urceolus 1, and drive plate 7 does not have overlapping, has further strengthened the heat radiation of drive plate 7, thereby has improved the heat dispersion of whole frequency converter.Preferably, installing zone 11 is rectangle.Certainly, installing zone 11 also can be other shapes, also can be along the axially distribution successively of urceolus 1, and the embodiment of the present invention is not done restriction particularly to shape and the distribution of installing zone 11.
In order effectively to increase the area of installing zone 11, in the frequency converter with power device novel mounting structure that above-described embodiment provides, installing zone 11 extends axially along cylindrical shell 1, between two adjacent power devices 8, has gap.Like this, can take full advantage of the inner space of frequency converter; There is gap between simultaneously adjacent power device 8, more be convenient to the heat radiation of power device 8, be conducive to improve the heat dispersion of this frequency converter.
In order to make this frequency converter can enter hoistway, need to reduce as much as possible the cross-sectional area of this frequency converter.In the frequency converter with power device novel mounting structure that above-described embodiment provides, power device 8 totally is divided into two classes, and a class is single tube IGBT, and another kind of is the IGBT module, the former small volume, and latter's volume is large and thickness is also larger.For the ease of the installation of power device 8 and the cross-sectional area that reduces this frequency converter, preferentially select power device 8 for single tube IGBT.Single tube IGBT small volume, can effectively utilize the annular inner space of this frequency converter, compact conformation, because the frequency converter axial length with power device novel mounting structure provided by the invention is longer, be particularly suitable for placing vertically several single tubes IGBT, simultaneously can be circumferentially, meet the design requirement of various power section frequency converters, very rationally utilize the annular confined space of frequency converter inside.The concrete number of single tube IGBT, need to be set according to the power grade of this frequency converter, when power grade is larger, increases the number of single tube IGBT, and power grade hour, reduces the number of single tube IGBT.
Preferably, in the frequency converter with power device novel mounting structure that above-described embodiment provides, single tube IGBT is fixed on installing zone 11 by screw, and single tube IGBT is connected with drive plate 7 by pin; Drive plate 7 is connected with the inwall of urceolus 1 by screw or buckle.Certainly, single tube IGBT and drive plate 7 also can be fixed by other means, and the embodiment of the present invention is not done this particularly and limited.
In order effectively to improve the heat dispersion of this frequency converter, in the frequency converter with power device novel mounting structure that above-described embodiment provides, single tube IGBT is to be equally distributed in installing zone 11.Like this, can guarantee that the heat radiation of single tube IGBT is more even, effectively improve the heat dispersion of whole frequency converter.Concrete, the spacing of single tube IGBT need to be determined according to actual concrete condition, such as watt level and heat dispersion etc.The embodiment of the present invention is not done particularly and is limited the distribute spacing of single tube IGBT.
Further, in the frequency converter with power device novel mounting structure that above-described embodiment provides, single tube IGBT is close on the surface of installing zone 11.Like this, heat that can single tube ICBT can pass to urceolus 1 rapidly, further strengthens the heat dispersion of this frequency converter; Simultaneously, utilize and take full advantage of the cavity volume between inner core 2 and urceolus 1 like this, make the internal structure of this frequency converter compacter, further reduce the volume of this frequency converter.
For the ease of the installation of single tube IGBT, in the frequency converter with power device novel mounting structure that above-described embodiment provides, urceolus 1 is cylinder; Installing zone 11 is plane.Because the solder side of single tube IGBT is plane, so installing zone 11 is set also for plane, be convenient to like this installation of single tube IGBT.
For the ease of the installation of frequency converter main body, in the frequency converter with power device novel mounting structure that above-described embodiment provides, urceolus 1 comprises minute cylinder that at least two sealings are connected, and the interface of two minutes of being connected cylinder is parallel to the axis of urceolus 1.Like this, can first the frequency converter main body be arranged on each minute cylinder, then at a docking minute cylinder, form a urceolus 1, thereby be convenient to the installation of frequency converter main body.
Preferably, in the frequency converter with power device novel mounting structure that above-described embodiment provides, the number of minute cylinder is two, is respectively first minute cylinder and second minute cylinder, power device 8 and drive plate 7 are positioned on first minute cylinder, and first minute cylinder of installing zone 11 hoop decile; The control board 5 of frequency converter main body is positioned on second minute cylinder.Select the circumferential decile first minute cylinder of installing zone 11 along first minute cylinder, make the distribution uniform of power device 8, effectively strengthened the heat radiation of power device 8, improved the heat dispersion of this frequency converter.For the ease of the setting of power device 8, preferentially select first minute cylinder and the second minute cylinder center line symmetry about frequency converter.When urceolus 1 is cylindric, first minute cylinder and second minute cylinder all are the semicircle tubular.Certainly, can urceolus 1 be divided into to minute cylinder that two or more differ in size according to the distribution of frequency converter main body yet, or urceolus 1 is divided into to a plurality of equal-sized minute cylinder, the embodiment of the present invention is not done this particularly and is limited.
In order further to optimize technique scheme, in the frequency converter with power device novel mounting structure that above-described embodiment provides, on the outer wall of urceolus 1, be provided with radiator structure.This radiator structure can be distributed on the outer wall of whole urceolus 1, also can be distributed on the part outer wall of urceolus 1, and the heat dispersion required according to reality determined.When selecting the latter, preferentially select the position of corresponding installing zone 11 on the outer wall of urceolus 1 to be provided with radiator structure.Because power device 8 is main heater members.Radiator structure can be radiating groove 12 and also can be the heat radiation texture, by the exterior surface area that increases urceolus 1, improves the heat dispersion of urceolus 1, and then improves the heat dispersion of whole frequency converter.In order to improve to greatest extent heat dispersion, preferentially selecting radiator structure is radiating groove 12.Concrete, radiating groove 12 can be bar-shaped trough, and extending axially along urceolus 1; Radiating groove 12 also can be cannelure, along the circumferential extension of urceolus 1.
Preferably, in the frequency converter with power device novel mounting structure that above-described embodiment provides, urceolus 1 and inner core 2 are metal shell, and end cap 4 is metal end, improve the heat dispersion of urceolus 1, inner core 2 and end cap 4, and then further improve the heat dispersion of whole frequency converter.Preferably, urceolus 1, inner core 2 and end cap 4 are selected the higher metal of thermal conductivity.Concrete, urceolus 1 and inner core 2 are the cast copper housing, and end cap 4 is the cast copper end cap.In order to reduce costs, preferentially selecting urceolus 1 and inner core 2 is the die cast cylindrical shell, and end cap 4 is the die cast end cap.
In the frequency converter with power device novel mounting structure that above-described embodiment provides, the shape of urceolus 1 and inner core 2 can be the cylinder of other shapes such as square tube, circular cylinder.Enter hoistway for the ease of this frequency converter, preferentially select urceolus 1 and inner core 2 to be cylinder.Concrete, urceolus 1 and inner core 2 are isometrical cylinder.
In the frequency converter with power device novel mounting structure that above-described embodiment provides, power device 8 and control board 5 all are fixed on the inwall of urceolus 1 by trip bolt, certainly, also can adopt other modes to be fixed on the inwall of urceolus 1; Capacitor board is established and is connected with the inwall card of urceolus 1; Power device 8 is weldingly connected with drive plate 7; Drive plate 7 is connected in series successively by cable or copper bar; Control board 5 is connected with drive plate 7 by soft arranging wire.
In the frequency converter with power device novel mounting structure that above-described embodiment provides, need to determine according to power grade the number of drive plate 7 and power device 8.Concrete, when power grade is larger, increase the number of drive plate 7 and power device 8, power grade hour, reduces the number of drive plate 7 and power device 8.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the frequency converter with power device novel mounting structure, it is characterized in that, comprise: the urceolus (1) that can enter hoistway, the inner core (2) that inside is placed in described urceolus (1) and can runs through for the hoistway body of rod, be positioned at the frequency converter main body of the cavity volume between described inner core (2) and described urceolus (1), and seal with described inner core (2) and described urceolus (1) end cap (4) be connected respectively; Wherein,
Described end cap (4) has the through hole (41) passed for the described hoistway body of rod; The inwall of described urceolus (1) has installing zone (11); Described frequency converter main body comprises: be arranged at some power devices (8) of described installing zone (11), be positioned at the drive plate (7) that described installing zone (11) is located and be connected with described power device (8).
2. frequency converter according to claim 1, is characterized in that, the number of described installing zone (11) is at least two, and described installing zone (11) distributes along the hoop of described urceolus (1) successively; The number of described drive plate (7) is identical with the number of described installing zone (11), and described drive plate (7) is connected in series successively.
3. frequency converter according to claim 1, is characterized in that, described installing zone (11) extends axially along described cylindrical shell (1), between adjacent two described power devices (8), has gap.
4. frequency converter according to claim 1, is characterized in that, described power device (8) is single tube IGBT.
5. frequency converter according to claim 4, is characterized in that, it is upper that described single tube IGBT is fixed in described installing zone (11) by screw, and described single tube IGBT is connected with described drive plate (7) by pin; Described drive plate (7) is connected with the inwall of described urceolus (1) by screw or buckle.
6. frequency converter according to claim 4, is characterized in that, described single tube IGBT is to be equally distributed in described installing zone (11), and described single tube IGBT is close on the surface of described installing zone (11).
7. frequency converter according to claim 6, is characterized in that, described urceolus (1) is cylinder; Described installing zone (11) is plane.
8. frequency converter according to claim 1, is characterized in that, described urceolus (1) comprises minute cylinder that at least two sealings are connected, and the interface of two described minute cylinders that are connected is parallel to the axis of described urceolus (1).
9. frequency converter according to claim 8, it is characterized in that, the number of described minute cylinder is two, is respectively first minute cylinder and second minute cylinder, described power device (8) and described drive plate (7) are positioned on described first minute cylinder, and described first minute cylinder of described installing zone (11) hoop decile; The control board of described frequency converter main body (5) is positioned on described second minute cylinder.
10. according to the described frequency converter of any one in claim 1-9, it is characterized in that, on the outer wall of described urceolus (1), the position of corresponding described installing zone (11) is provided with radiator structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310419481.5A CN103441653B (en) | 2013-09-13 | 2013-09-13 | A kind of frequency converter with power device installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310419481.5A CN103441653B (en) | 2013-09-13 | 2013-09-13 | A kind of frequency converter with power device installation structure |
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| CN103441653A true CN103441653A (en) | 2013-12-11 |
| CN103441653B CN103441653B (en) | 2016-03-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002280809A (en) * | 2001-03-21 | 2002-09-27 | Toshiba Corp | United structure of high frequency component and high frequency transmission line conversion circuit |
| CN201303288Y (en) * | 2008-10-20 | 2009-09-02 | 湘潭平安电气有限公司 | Mineral frequency converter body |
| CN102751851A (en) * | 2012-06-05 | 2012-10-24 | 深圳市英威腾电气股份有限公司 | Frequency converter for explosive gas atmosphere |
-
2013
- 2013-09-13 CN CN201310419481.5A patent/CN103441653B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002280809A (en) * | 2001-03-21 | 2002-09-27 | Toshiba Corp | United structure of high frequency component and high frequency transmission line conversion circuit |
| CN201303288Y (en) * | 2008-10-20 | 2009-09-02 | 湘潭平安电气有限公司 | Mineral frequency converter body |
| CN102751851A (en) * | 2012-06-05 | 2012-10-24 | 深圳市英威腾电气股份有限公司 | Frequency converter for explosive gas atmosphere |
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| CN103441653B (en) | 2016-03-16 |
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