CN103633821A - Frequency converter - Google Patents
Frequency converter Download PDFInfo
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- CN103633821A CN103633821A CN201310644902.4A CN201310644902A CN103633821A CN 103633821 A CN103633821 A CN 103633821A CN 201310644902 A CN201310644902 A CN 201310644902A CN 103633821 A CN103633821 A CN 103633821A
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- Prior art keywords
- frequency converter
- fan
- transducer body
- fan guard
- buckle
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Abstract
The invention provides a frequency converter comprising a converter body. A heating electric element is disposed inside the converter body and integrated to a circuit board. A converter fan is connected to the converter body and provided with a fan cover. The frequency converter is characterized in that the fan cover is provided with a first fastener comprising a connecting part, the connecting part corresponds to a connecting hole in the converter body, the connecting part and the connecting hole can be connected, the first fastener comprises a grip part extending opposite to the connecting part, and part of the grip art extends out of the converter body.
Description
Technical field
The relevant frequency changer of the present invention field, especially relevant a kind of frequency converter of being simultaneously convenient to take apart fan of frequency converter of being convenient to install.
Background technology
Frequency converter is the important production article of work production field, and its purposes is to install on ground electric elements, by changing the operating frequency of electric elements, reaches the object of saving electric power.China is current electric power and other energy country more in short supply all in the world, and for the saving demand of electric power also especially strong, therefore, the saving of electric power has larger meaning for the current situation of China.
Frequency converter is generally used in the production field of factory, has more severe operational environment, such as high temperature, high heat etc.Under such environment, the heat of generation is relatively difficult to distribute faster.So so under this environment, frequency converter being carried out to good heat radiation becomes very necessary.
In addition, because the operation element in frequency converter has a large amount of heat generating members, the heat that this heat generating member produces also needs to have necessity of heat radiation.And in the common workplace of frequency converter, be generally the environment relatively sealing, natural wind cannot form and circulate, so need to carry out extra heat dissipation element, dispels the heat.
Usually, industrial circle adopts fan to carry out for the heat radiation of frequency converter, and radiator fan is the part often damaging, and in reality maintenance, maintenance work is the fan damaging changing greatly.For fan can promptly be changed, need a kind of frequency changer of being convenient to change fan of development and Design.
The normal operation of cooling fan is extremely important to the stable operation of frequency converter, needs cleaning in time when therefore the dust on cooling fan is more, and must change in time when cooling fan damages, with the operation of guaranteeing that frequency converter is stable.At present, fan is all installed in the housing of frequency converter, when fan is changed or when cleaning fan need to be taken out from frequency converter shell, can only first open the upper cover of frequency converter, pull out the power line of fan, then with screwdriver, back out the fixed screw of provided with fan, fan could be taken out from frequency converter shell, visible this dismounting mode is time-consuming, effort, but also need to, by instrument, operate extremely inconvenient.
In order to address this problem, there is human hair to understand fan of frequency converter or the fan of frequency converter cover that uses buckle mode and frequency converter shell to carry out combination.Its edge at fan or fan guard arranges buckling body or snap fit, and at transducer body, corresponding binding site is set, as shown in Figure 1.
When cooling fan is installed, first fan body 21 is installed on the erection column on transducer body 11, afterwards the second grab 313 of fan guard 31 is put into the second screens 114, afterwards first grab 312 on fan guard 31 tops is pushed in the first screens 113, when hearing the sound of " click ", represent that the lug boss on the first grab 312 installed in the first screens 113, now show that fan guard 31 is in place, fan body 21 is by erection column 112 location, after again fan guard 31 fastenings being put in place, make fan guard 31 push down fan body 21, guaranteed the stability of fan, prevent that it from getting loose.
Yet, when installing, such fan really provides convenience, but more inconvenient when taking apart.Reason is, the operating space at fan of frequency converter cover rear is limited, often needs operating personnel directly to go hand to remove to detain the first grab with hand, yet, in the design, the first grab flushes with transducer body, if there is no special-purpose work, operator is difficult to the first grab to fasten.Use nail to fasten, also cannot stablize and control, so easily fall.
The present invention is to provide a kind of fan of frequency converter and not only easily installs, and the fan of being convenient to take apart in the time need to changing or fan guard.
Summary of the invention
The object of this invention is to provide and a kind ofly not only easily install, and the frequency converter that also can conveniently pull down in the time need to taking apart of its fan of frequency converter.
For this reason, the invention provides a kind of frequency converter, comprise transducer body, in described transducer body, be provided with the electric component of heating, described electric component in described transducer body is integrated on a circuit board, on described transducer body, be combined with fan of frequency converter, on described fan of frequency converter, there is fan guard, it is characterized in that, on described fan guard, there is the first buckle, described the first buckle has joint portion, knot also can be blocked with the corresponding setting of combined hole on described transducer body in described joint portion, described the first buckle also has handle part, oppositely extend described handle part and described joint portion, and part is extended outside transducer body.
According to a further aspect in the invention, described handle part extends part outside described transducer body and is less than 1 centimetre.
According to a further aspect in the invention, the part that described handle part extends outside described transducer body is flat lamellar body.
According to a further aspect in the invention, described the first buckle has a plurality of, and is arranged at the same side of fan guard.
According to a further aspect in the invention, described the first buckle has a plurality of, and is arranged at the relative both sides of fan guard.
According to a further aspect in the invention, described fan guard also has location division, described location division can with the corresponding location hole combination on transducer body.
According to a further aspect in the invention, described fan guard also has location hole, described location hole can with the corresponding location division combination on transducer body.
By the handle part of the first buckle is partly extended outside transducer body, can conveniently control described handle part, convenient operation person takes out the fan guard of frequency converter to change or keep in repair.
Accompanying drawing explanation
These and other object and feature of the present invention, in a preferred embodiment and with reference to accompanying drawing, below describes the easy to understand that will become.
Fig. 1 is the schematic diagram that transducer body of the prior art is combined with fan of frequency converter cover, and the buckle part in figure flushes with transducer body.
Fig. 2 is the structural representation of an embodiment of frequency converter of the present invention, and fan of frequency converter and fan guard in figure are installed on transducer body.
Fig. 3 is that diagram is amplified in the part that in an embodiment of frequency converter of the present invention, fan of frequency converter cover is installed on transducer body not yet completely.
Embodiment
Below with reference to accompanying drawing, describe the preferred embodiments of the present invention, unless otherwise indicated, identical or intimate element and device have identical reference marker.
Refer to shown in Fig. 2, frequency converter of the present invention comprises transducer body 11, is provided with and has circuit board (not shown) in transducer body 11.On circuit board, be provided with a plurality of heater elements, for the heater element in transducer body 11 enters heat radiation, in one end of transducer body 11, there is holding portion, the groove of this holding portion for offering on transducer body 11.In described groove, have radiator fan, described radiator fan can also can be one group of radiator fan for one.By the wind-force effect of radiator fan, or discharging in the heat self frequency-changing device body 11 that described heater element was produced, described radiator fan can be fan blowing, can be also extractor fan.Arranging according to the needs in actual production of fan determined, the fan that different heat dissipation wind channels need to be different.Do not make in the present embodiment particular determination.
Fan is generally positioned and is installed by limited post, and conventionally, the position corresponding to above-mentioned limited post on fan is provided with spacing hole.By the installation corresponding to described limited post of described spacing hole, fan can be carried out in transducer body to Primary Location.But do not need other device to be fixed.Therefore, be further provided with the fan guard 12 for fixing described fan in the outside of fan, on described fan guard 12, have location division 122, described location division 122 is arranged at the bottom of fan guard 12, has 2.A side with respect to location division 122 on fan guard 12 is provided with 2 the first grabs 121.In other embodiments, described the first grab 121 can divide and is arranged, i.e. a side at fan guard 12, and another is in its relative side.Described the first grab 121 is corresponding in vertical direction with the position of above-mentioned location division 122, thereby makes can not produce moment of torsion because of the error of manufacturing or installing between location division 122 and the first grab 121, thus protection fan guard 12.On transducer body 11, corresponding to 122 places, described location division, offer location hole 131, described location division 122 can be inserted in location hole 131, thereby realizes fan guard 12 with respect to the location of transducer body 11.Certainly, in other embodiments, the position of above-mentioned location hole and location division can be changed mutually.That is, location division is arranged on transducer body, and location hole fixation is on fan guard.
Refer to shown in Fig. 3, described the first grab 121 parts stretch in transducer body 11, have buckling body 1211, and buckling body 1211 is detained knot with the corresponding part in transducer body 11 and fixed.On the rightabout with described buckling body 1211, extend the sheet body structure of flat, form handle part 1222, described handle part 1222 is exposed to outside transducer body 11 in installation rear section.Conventionally, the length that above-mentioned handle part 1222 protrudes from outside transducer body 11 is not more than 1 centimetre.
When mounted, first fan is located and is accommodated in described groove by the combination of spacing hole and limited post, then described location division 122 is inserted in location hole 131.Then, promote to the inside fan guard 12, make buckling body 1211 and the corresponding part in transducer body 11 detain knot fixing, now, the installation of fan guard 12 just completes.
When needing repairing or change, user presses described handle part 1222, described buckling body 1211 and the corresponding part in transducer body 11 are disengaged, and outwards pull lightly handle part 1222, because handle part 1222 parts protrude from outside transducer body 11, so easily holding and be not easy, handle part 1222 comes off.Then the light punka cover 12 that makes progress, makes to leave within self-align hole 131, location division 122, and the step of separating fan guard 12 completes.User can change or maintenance action easily.
The present invention is based on particularly preferred embodiment and illustrate and describe, but be not restricted to details shown and that describe.On the contrary, in the situation that do not depart from the essence and the scope that are limited by appended claims, can carry out various modifications or variation.
Claims (7)
1. a frequency converter, comprise transducer body, in described transducer body, be provided with the electric component of heating, described electric component in described transducer body is integrated on a circuit board, on described transducer body, be combined with fan of frequency converter, on described fan of frequency converter, there is fan guard, it is characterized in that, on described fan guard, there is the first buckle, described the first buckle has joint portion, knot also can be blocked with the corresponding setting of combined hole on described transducer body in described joint portion, described the first buckle also has handle part, oppositely extend described handle part and described joint portion, and part is extended outside transducer body.
2. frequency converter as described in claim 1, is characterized in that, described handle part extends part outside described transducer body and is less than 1 centimetre.
3. frequency converter as described in claim 1, is characterized in that, the part that described handle part extends outside described transducer body is flat lamellar body.
4. frequency converter as described in claim 1, is characterized in that, described the first buckle has a plurality of, and is arranged at the same side of fan guard.
5. frequency converter as described in claim 1, is characterized in that, described the first buckle has a plurality of, and is arranged at the relative both sides of fan guard.
6. frequency converter as described in claim 1, is characterized in that, described fan guard also has location division, described location division can with the corresponding location hole combination on transducer body.
7. frequency converter as described in claim 1, is characterized in that, described fan guard also has location hole, described location hole can with the corresponding location division combination on transducer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310644902.4A CN103633821A (en) | 2013-12-05 | 2013-12-05 | Frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310644902.4A CN103633821A (en) | 2013-12-05 | 2013-12-05 | Frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103633821A true CN103633821A (en) | 2014-03-12 |
Family
ID=50214542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310644902.4A Pending CN103633821A (en) | 2013-12-05 | 2013-12-05 | Frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103633821A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201403272Y (en) * | 2009-03-24 | 2010-02-10 | 深圳市四方电气技术有限公司 | Electronic device with cooling fan |
| CN201854173U (en) * | 2010-11-03 | 2011-06-01 | 深圳市四方电气技术有限公司 | Fan mounting structure |
| CN202103570U (en) * | 2011-07-08 | 2012-01-04 | 深圳市日业电气有限公司 | Cooling fan of transducer |
-
2013
- 2013-12-05 CN CN201310644902.4A patent/CN103633821A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201403272Y (en) * | 2009-03-24 | 2010-02-10 | 深圳市四方电气技术有限公司 | Electronic device with cooling fan |
| CN201854173U (en) * | 2010-11-03 | 2011-06-01 | 深圳市四方电气技术有限公司 | Fan mounting structure |
| CN202103570U (en) * | 2011-07-08 | 2012-01-04 | 深圳市日业电气有限公司 | Cooling fan of transducer |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140312 |