CN221081856U - Frequency converter braking device - Google Patents
Frequency converter braking device Download PDFInfo
- Publication number
- CN221081856U CN221081856U CN202322515571.6U CN202322515571U CN221081856U CN 221081856 U CN221081856 U CN 221081856U CN 202322515571 U CN202322515571 U CN 202322515571U CN 221081856 U CN221081856 U CN 221081856U
- Authority
- CN
- China
- Prior art keywords
- busbar
- fixedly connected
- cooling plate
- frequency converter
- braking device
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 239000003990 capacitor Substances 0.000 claims abstract description 16
- 239000006096 absorbing agent Substances 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 25
- 230000000087 stabilizing effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 2
- 230000017525 heat dissipation Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model discloses a frequency converter braking device, which relates to the technical field of frequency converters and comprises a braking shell and a direct current bus fixedly connected to the surface of an external frequency converter, wherein a cooling plate is fixedly connected to the bottom of one side of the braking shell, two symmetrical I GBT power components are fixedly connected to one side of the upper surface of the cooling plate, a mounting groove is formed in one edge of the upper surface of the cooling plate, and two side walls of the mounting groove are fixedly connected with a stabilizing rod in a path array. According to the utility model, through the arrangement of the structures such as the direct current bus, the radiating block, the first heat absorption pipe, the positive electrode busbar, the capacitor assembly and the like, the heat absorption cooling of the components such as the I GBT power assembly and the capacitor assembly on the surface of the cooling plate can be realized through the arrangement of the cooling plate in the use process of the braking device, the cooling efficiency of the braking device is improved, and when the energy is fed back through braking, the I GBT power assembly, the positive electrode busbar and the negative electrode busbar are used for discharging and discharging.
Description
Technical Field
The utility model belongs to the technical field of frequency converters, and particularly relates to a frequency converter braking device.
Background
The frequency converter is an electric control device for controlling the AC motor by changing the frequency of the working power supply of the motor by applying the frequency conversion technology and the microelectronics technology, and mainly comprises a rectifying unit, a filtering unit, an inversion unit, a braking unit, a driving unit, a detecting unit and a micro-processing unit, wherein the frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal I GBT, and provides the required power supply voltage according to the actual requirement of the motor, thereby achieving the purposes of energy conservation and speed regulation.
When the frequency converter drives the motor to brake, the brake can feed back energy to the direct current bus of the frequency converter, so that the voltage of the direct current bus is increased, the frequency converter brake device is required to release the fed back energy, and the frequency converter brake device is used for protecting the frequency converter;
however, in the use process of the conventional large multi-converter braking device, braking stop is generally realized by an energy consumption braking mode of a braking resistor arranged in a frequency converter, but when the feedback energy is consumed by the braking resistor of the frequency converter, a large amount of heat is generated by the braking resistor of the frequency converter, and the heat dissipation performance of the braking resistor of the frequency converter is poor, so that the heat generated by the braking resistor of the frequency converter can not be quickly dissipated, the temperature of the braking resistor is increased, and the service performance of the braking resistor is influenced due to the fact that the temperature of the braking resistor is too high.
Disclosure of utility model
The utility model aims to provide a frequency converter braking device, which solves the problems that the prior frequency converter braking device generates heat by a resistor when in use, and the brake resistor cannot timely dissipate the heat, so that the temperature of the brake resistor is increased, and the service performance of the brake resistor is reduced due to overhigh temperature.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The utility model relates to a frequency converter braking device which comprises a braking shell and a direct current bus fixedly connected to the surface of an external frequency converter, wherein a cooling plate is fixedly connected to the bottom of one side of the braking shell, two symmetrical I GBT power components are fixedly connected to one side of the upper surface of the cooling plate, a mounting groove is formed in one edge of the upper surface of the cooling plate, two side walls of the mounting groove are fixedly connected with stabilizing rods in a path array mode, radiating blocks are fixedly connected to opposite sides of the corresponding stabilizing rods together, the upper surface of each radiating block is fixedly connected with a heat absorbing plate in a path array mode, hollow heat conducting blocks are fixedly sleeved on the surfaces of a plurality of the heat absorbing plates together, a first heat absorbing pipe and a second heat absorbing pipe are fixedly connected to two sides of each hollow heat conducting block respectively, one end of each first heat absorbing pipe is fixedly connected with a positive busbar, one end of each second heat absorbing pipe is fixedly connected with a negative busbar, and an electrical component is mounted on the upper surface of the braking shell.
Further, the positive electrode busbar corresponds to the negative electrode busbar, an insulating material is sprayed on the surface of the hollow heat conduction block, and the positive electrode busbar and the negative electrode busbar are electrically connected with the direct current busbar through wires.
Further, the electrical component comprises a control unit which is fixedly connected to the upper surface of the cooling plate and is close to the hollow heat conduction block, the control unit is electrically connected with the I GBT power component through a wire, and the control unit is used for controlling the I GBT power component to be turned on or turned off.
Further, the surface of the I GBT power component is electrically connected with a capacitor component through a wire, and the capacitor component is connected with the I GBT power component, the positive electrode busbar and the negative electrode busbar in parallel through wires.
Further, the capacitor assembly is mounted on the upper surface of the cooling plate, the cooling block corresponds to the cooling plate, and the surface of the brake shell is provided with vent holes corresponding to the cooling block.
Further, the positive electrode busbar and the negative electrode busbar are both input copper bars, the hollow heat conducting block is attached to the positive electrode busbar and the negative electrode busbar, and a ventilation groove corresponding to the heat radiating block is formed in the surface of the cooling plate.
The utility model has the following beneficial effects:
Through the arrangement of the structures such as the direct current bus, the radiating block, the first heat absorption pipe, the positive busbar, the capacitor component and the like, the heat absorption cooling of components such as the I GBT power component and the capacitor component on the surface of the device is realized through the arrangement of the cooling plate, the cooling efficiency of the device is improved, when the braking feedback energy is fed back, the components such as the positive busbar, the negative busbar and the like are discharged and discharged through the I GBT power component, the positive busbar and the negative busbar, thereby the components such as the positive busbar and the negative busbar generate heat, the voltage of the direct current bus is kept at a normal value, and the heat absorption and the heat dissipation treatment are carried out on the connected components through the mutual matching of the structures such as the heat absorption plate and the heat dissipation plate, so that the temperature of the braking resistor is reduced, the braking resistor is prevented from being reduced due to the overhigh heat, and the problem that the braking resistor in the prior art can not timely dissipate the heat, and the braking resistor is reduced in service performance due to overhigh temperature is solved;
of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a second view angle structure according to the present utility model;
FIG. 3 is a schematic diagram showing the positional relationship among a cooling plate, a positive electrode busbar and a negative electrode busbar according to the present utility model;
Fig. 4 is a schematic diagram of the positional relationship among the heat absorbing plate, the heat dissipating block, the hollow heat conducting block, the first heat absorbing pipe, and the like.
In the drawings, the list of components represented by the various numbers is as follows:
1. A brake housing; 2. an I GBT power component; 3. a mounting groove; 4. a stabilizing rod; 5. a heat dissipation block; 6. a heat absorbing plate; 7. a hollow heat conducting block; 8. a first heat absorbing pipe; 9. a second heat absorbing pipe; 10. a positive electrode busbar; 11. a negative electrode busbar; 12. a control unit; 13. a capacitor assembly; 14. and (5) cooling the plate.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus consistent with some aspects of the disclosure as detailed in the accompanying claims.
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model discloses a frequency converter brake device, which comprises a brake shell 1 and a direct current bus fixedly connected to the surface of an external frequency converter, wherein a cooling plate 14 is fixedly connected to the bottom of one side of the brake shell 1, two symmetrical I GBT power components 2 are fixedly connected to one side of the upper surface of the cooling plate 14, a mounting groove 3 is formed at one edge of the upper surface of the cooling plate 14, two side walls of the mounting groove 3 are fixedly connected with a stabilizing rod 4 in a path array, the opposite sides of the corresponding stabilizing rod 4 are fixedly connected with a heat dissipation block 5 together, the heat dissipation block 5 corresponds to the cooling plate 14, a vent hole corresponding to the heat dissipation block 5 is formed in the surface of the brake shell 1, a ventilation groove corresponding to the heat dissipation block 5 is formed in the surface of the cooling plate 14, and the cooling plate 14 dissipates heat to the temperature of the heat dissipation block 5 through the arrangement of the heat dissipation block 5 and the cooling plate 14, so that the positive busbar 10 and the negative busbar 11 can perform energy, the upper surface of the cooling plate 5 is fixedly connected with a plate 6 in a path array, the surfaces of the plurality of heat dissipation plates 6 are fixedly connected with a hollow heat absorption block 7 together, and the heat absorption block 7 is discharged to the second heat absorption plate 8 when the heat absorption block 7 and the heat absorption plate 11 absorbs heat inside the positive busbar 10 and the negative busbar heat absorption heat is released, and the heat absorption plate heat is released by the hollow heat absorption plate 8;
The surface of the hollow heat conduction block 7 is sprayed with insulating materials, the two sides of the hollow heat conduction block 7 are respectively and fixedly connected with a first heat absorption pipe 8 and a second heat absorption pipe 9, through the arrangement of the heat dissipation block 5, the heat dissipation block 5 absorbs the temperature of the heat absorption plate 6, the heat absorption plate 6 can continuously absorb the temperature transmitted by the hollow heat conduction block 7, one end of the first heat absorption pipe 8 is fixedly connected with a positive electrode busbar 10, one end of the second heat absorption pipe 9 is fixedly connected with a negative electrode busbar 11, the positive electrode busbar 10 and the negative electrode busbar 11 are both input copper bars, the hollow heat conduction block 7 is attached to the positive electrode busbar 10 and the negative electrode busbar 11, when the energy fed back by a brake resistor is transmitted to a direct current busbar, the energy is transmitted to the surfaces of the positive electrode busbar 10 and the negative electrode busbar 11, so that the surface temperature of the positive electrode busbar 10 and the negative electrode busbar 11 is improved, the positive electrode busbar 10 and the negative electrode busbar 11 are electrically connected with the direct current busbar through wires, and through the arrangement of the first heat absorption tube 8 and the second heat absorption tube 9, when the positive electrode busbar 10 and the negative electrode busbar 11 generate heat, the surfaces of the positive electrode busbar 10 and the negative electrode busbar 11 are subjected to heat absorption treatment, the surfaces of the I GBT power component 2 are electrically connected with the capacitor component 13 through wires, when the braking device is used, the I GBT power component 2, the capacitor component 13 and the control unit 12 on the surfaces of the braking device generate heat in the operation process, and absorb heat to all electric elements through the arrangement of the cooling plate 14, so that the cooling efficiency of the braking device is improved, the braking device is safer to use, the capacitor component 13 is connected with the I GBT power component 2, the positive electrode busbar 10 and the negative electrode busbar 11 in parallel through wires, the upper surface of the braking shell 1 is provided with the electric component, the electrical component includes fixed connection in cooling plate 14 upper surface and is close to the control unit 12 of cavity heat conduction piece 7, control unit 12 passes through wire electric connection with I GBT power module 2, control unit 12 is used for controlling the switching on or closing of I GBT power module 2, capacitor assembly 13 installs in cooling plate 14's upper surface, thereby make the device can be through anodal female row 10, the female row 11 of negative pole and I GBT power module 2 to the energy of feedback release, thereby make direct current busbar maintain at normal voltage, thereby the security that the device used has been improved.
Specifically, this converter arresting gear is when using: when the braking device is used, heat is generated in the running process of the I GBT power assembly 2, the capacitor assembly 13 and the control unit 12 on the surface of the braking device, and each electric element absorbs heat through the arrangement of the cooling plate 14, so that the cooling efficiency of the braking device is improved, the braking device is safer to use, and when the energy fed back by the braking resistor is transmitted to the direct current bus, the energy is transmitted to the surfaces of the positive electrode busbar 10 and the negative electrode busbar 11 through the arrangement of the positive electrode busbar 10 and the negative electrode busbar 11, so that the surface temperature of the positive electrode busbar and the negative electrode busbar is improved;
Through the setting of first absorber pipe 8 and second absorber pipe 9, when the female row of anodal 10 and the female row of negative pole 11 generate heat, heat absorption treatment is carried out to the surface of the two, afterwards the heat transfer of absorption is to the inside of cavity heat conduction piece 7, thereby make absorber plate 6 absorb heat, thereby make the female row of anodal 10 and the female row of negative pole 11's temperature reduce, and through the setting of radiator block 5, make radiator block 5 absorb absorber plate 6's temperature, make absorber plate 6 can continuously absorb the temperature of cavity heat conduction piece 7 transmission, simultaneously through the setting of radiator block 5 and cooling plate 14, make cooling plate 14 dispel the heat to radiator block 5's temperature, thereby make anodal female row 10 and negative pole female row 11 can carry out energy and excrete, thereby make the device can be through anodal female row 10, negative pole female row 11 and I GBT power module 2 release the energy of feedback, thereby make direct current busbar maintain at normal voltage, thereby the security that the device was used has been improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
Claims (6)
1. A transducer braking device, characterized in that: including braking casing (1) and the direct current generating line of fixed connection in outside converter surface, the bottom fixedly connected with cooling plate (14) of braking casing (1) one side, one side fixedly connected with of cooling plate (14) upper surface two symmetrical I GBT power module (2), mounting groove (3) have been seted up to one edge department of cooling plate (14) upper surface, the both sides wall of mounting groove (3) all is route array fixedly connected with stabilizer bar (4), corresponds the common fixedly connected with radiating block (5) of opposite side of stabilizer bar (4), the upper surface of radiating block (5) is route array fixedly connected with absorber plate (6), a plurality of hollow heat conduction piece (7) have been cup jointed on the common fixedly connected with in absorber plate (6) surface, the both sides of hollow heat conduction piece (7) are first absorber tube (8) and second absorber tube (9) respectively, the one end fixedly connected with positive electrode busbar (10) of first absorber tube (8), the one end fixedly connected with of second absorber tube (9) is the negative electrode busbar (11), the female module of electric installation on the casing (1).
2. The frequency converter braking device according to claim 1, wherein the positive electrode busbar (10) corresponds to the negative electrode busbar (11), an insulating material is sprayed on the surface of the hollow heat conducting block (7), and the positive electrode busbar (10) and the negative electrode busbar (11) are electrically connected with the direct current busbar through wires.
3. A frequency converter braking device according to claim 1, characterized in that the electrical component comprises a control unit (12) fixedly connected to the upper surface of the cooling plate (14) and close to the hollow heat conducting block (7), the control unit (12) is electrically connected with the I GBT power component (2) through a wire, and the control unit (12) is used for controlling the on or off of the I GBT power component (2).
4. A frequency converter braking device according to claim 3, characterized in that the surface of the I GBT power module (2) is electrically connected with a capacitor module (13) through a wire, and the capacitor module (13) is connected in parallel with the I GBT power module (2), the positive busbar (10) and the negative busbar (11) through wires.
5. A frequency converter brake according to claim 4, characterized in that the capacitor assembly (13) is mounted on the upper surface of the cooling plate (14), the cooling block (5) corresponds to the cooling plate (14), and the surface of the brake housing (1) is provided with ventilation holes corresponding to the cooling block (5).
6. The frequency converter braking device according to claim 1, wherein the positive busbar (10) and the negative busbar (11) are both input copper bars, the hollow heat conducting block (7) is attached to the positive busbar (10) and the negative busbar (11), and a ventilation groove corresponding to the heat radiating block (5) is formed in the surface of the cooling plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515571.6U CN221081856U (en) | 2023-09-15 | 2023-09-15 | Frequency converter braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515571.6U CN221081856U (en) | 2023-09-15 | 2023-09-15 | Frequency converter braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221081856U true CN221081856U (en) | 2024-06-04 |
Family
ID=91258377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322515571.6U Active CN221081856U (en) | 2023-09-15 | 2023-09-15 | Frequency converter braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221081856U (en) |
-
2023
- 2023-09-15 CN CN202322515571.6U patent/CN221081856U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221081856U (en) | Frequency converter braking device | |
| CN210377137U (en) | Industrial robot drive controller | |
| CN207753612U (en) | A kind of energy-saving speed regulating frequency converter | |
| CN110609518B (en) | Industrial robot drive controller | |
| CN110891406B (en) | Frequency conversion box body and centrifugal machine | |
| CN211090354U (en) | Motor controller | |
| CN210183748U (en) | Solar photovoltaic inverter | |
| CN208690460U (en) | A kind of heating device of battery modules | |
| CN211831603U (en) | Quick heat dissipation circuit board of embedding copper billet for mobile communication | |
| CN112975078A (en) | Cooling device of electric welding machine | |
| CN217882748U (en) | High-stability medium-high voltage direct current bus duct | |
| CN220543898U (en) | Encapsulation unit of TVS | |
| CN209824282U (en) | Heat dissipation cabinet body of frequency converter | |
| CN220604387U (en) | High-voltage wire harness cooling device | |
| CN213754790U (en) | Router heat dissipation base | |
| CN214545298U (en) | Radiator and servo driver | |
| CN216491736U (en) | MPPT's complementary controller of scene | |
| CN219554631U (en) | Bidirectional charging device | |
| CN214101176U (en) | Novel expressway remote power supply modular isolation converter | |
| CN219204383U (en) | Variable-frequency heat dissipation cooling device for high-voltage high-power motor | |
| CN221228083U (en) | Control device for automatic translation and casement window motor | |
| CN220711910U (en) | Compact circuit board module | |
| CN220692548U (en) | Photovoltaic power generation system electric power regulation and control equipment | |
| CN211880328U (en) | Frequency converter with good heat dissipation performance | |
| CN212278132U (en) | Outer protective shell for inverter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |