CN215897522U - Frequency converter and motor integrated equipment - Google Patents
Frequency converter and motor integrated equipment Download PDFInfo
- Publication number
- CN215897522U CN215897522U CN202120681089.8U CN202120681089U CN215897522U CN 215897522 U CN215897522 U CN 215897522U CN 202120681089 U CN202120681089 U CN 202120681089U CN 215897522 U CN215897522 U CN 215897522U
- Authority
- CN
- China
- Prior art keywords
- motor
- frequency converter
- heat dissipation
- converter
- equipment
- 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
Images
Abstract
The utility model discloses a frequency converter and motor integrated device, which comprises: the first heat dissipation device (1), the second heat dissipation device (2), the third heat dissipation device (3), the motor (4) and the frequency converter (5) are organically combined together through the coordination and the coordination of the components, and the normal operation of the frequency converter is guaranteed through the coordination work of each system. The utility model breaks through the traditional design mode and reduces the transportation units. After the frequency converter and the motor are combined into a whole, surge voltage can be effectively eliminated, overvoltage impact on the motor and various accessory losses are reduced, the influence of the frequency converter on motor insulation is reduced, and a middle connecting cable and a copper busbar or a connector are reduced, so that the device cost is lower, and the installation, the maintenance and the transportation are more convenient.
Description
Technical Field
The utility model relates to the technical field of frequency conversion, in particular to the field of integration of a frequency converter and a motor.
Background
At present, in the field of oil drilling machines, the solutions of alternating-current variable-frequency transmission systems mostly adopt a combined mode of a motor, a frequency converter and a variable-frequency cable, each part is used as an independent unit, the frequency converter is installed in a control room, the motor is arranged in a field driving actuator, the variable-frequency cable is used for transmitting electric energy, and when the variable-frequency cable is used, the variable-frequency cable is connected through a cable and is matched with control systems such as a switch cabinet and a control cabinet. According to the connecting device integrating the flame-proof motor and the frequency converter, which is provided by the utility model application document with the application number of CN201220699875.1, the flame-proof motor and the frequency converter are connected through the supporting plate, and the flame-proof cable connector is adopted, so that the flame-proof motor and the frequency converter are convenient to install and use, and the connecting device is one of the best schemes for effectively improving the operating efficiency of a motor system and saving energy of the motor system; secondly, the explosion-proof motor and the frequency converter can be used together as an integrated machine or can be respectively and independently used. This solution has some drawbacks, such as: inconvenient installation and transportation, unfavorable electromagnetic compatibility, higher cost and the like. Therefore, how to reduce the volume of the equipment, improve the heat dissipation efficiency, protect the internal structure of the equipment, prevent the influence of vibration on the equipment and eliminate surge voltage is a problem to be solved urgently.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide frequency converter and motor integrated equipment, and aims to solve the problems that in the prior art, motors and frequency converters are distributed dispersedly, are not easy to install and move, are not beneficial to electromagnetic compatibility and have high cost.
In order to achieve the above object, the present invention provides an apparatus for integrating a frequency converter and a motor, including: first heat dissipation equipment, second heat dissipation equipment, third heat dissipation equipment, motor and converter, wherein:
the motor is arranged in the motor shell, and an alternating current asynchronous motor is adopted to provide an alternating current power supply for the whole equipment;
the frequency converter is arranged in a frequency converter shell at the top of the motor in a superposed manner, and the output end of the frequency converter is connected with the motor and outputs a variable-frequency alternating-current driving power supply;
the first heat dissipation equipment and the second heat dissipation equipment are arranged on one side of the shell of the frequency converter and are used for dissipating heat of the frequency converter;
and the third heat dissipation equipment is arranged on one side of the motor shell and used for dissipating heat of the motor.
Preferably, a converter and motor integration equipment, through converter and motor integration back, can far surpass the volume of current motor, consequently a converter and motor integration equipment spatial structure adopt to overlap from top to bottom and arrange, the converter set up in converter and motor integration equipment top, the motor set up in converter and motor integration equipment bottom, radiator fan then arranges in converter and motor integration equipment side, the converter casing is connected the back with motor casing, forms a whole, and the hoisting point of equipment then integrates on the motor casing of bottom.
Preferably, the frequency converter and motor integrated equipment adopts an alternating-current asynchronous motor to supply power to the whole equipment, and the motor is arranged at the bottom of the frequency converter and motor integrated equipment.
Preferably, the frequency converter and motor integrated equipment adopts a frequency converter to convert an input constant-frequency constant-voltage alternating current power supply into an alternating current power supply with variable voltage and frequency and transmit the alternating current power supply to a motor, the frequency converter is arranged at the top of the integrated equipment, the input end of the frequency converter is an alternating current power supply end with the constant-frequency constant-voltage, and the output end of the frequency converter is an alternating current power supply end with the variable frequency and variable voltage.
Preferably, the frequency converter and motor integrated equipment adopts three heat dissipation devices, which are respectively: the frequency converter comprises a first heat dissipation device, a second heat dissipation device and a third heat dissipation device, wherein the first heat dissipation device, the second heat dissipation device and the third heat dissipation device can generate large heat in the operation process of the frequency converter and the motor, the motor and the frequency converter are cooled by strong wind through the three heat dissipation devices, and the first heat dissipation device and the second heat dissipation device are arranged on the outer side of a shell of the frequency converter to dissipate heat of the frequency converter; and arranging the third heat dissipation equipment outside the motor shell to dissipate heat of the motor.
Preferably, the frequency converter and motor integrated equipment is characterized in that a heat dissipation cavity is further arranged between the frequency converter and the motor, and the heat dissipation cavity can be communicated with the outside air so as to dissipate heat through natural circulation of air.
Preferably, the motor and the frequency converter of the frequency converter and motor integrated equipment are arranged in a waterproof and dustproof closed shell, and the protection grade of the motor and the frequency converter is not lower than IP 44.
Preferably, the frequency converter and motor integrated equipment is provided with a vibration reduction structure, the vibration reduction structure is characterized in that the middle parts of the frequency converter and the motor are designed into a cavity, and rubber pads are arranged on the periphery of the frequency converter and the motor.
According to the utility model, the frequency converter and motor integrated equipment adopts a vertically overlapped space structure and the coordination of the motor, the frequency converter, the first heat dissipation equipment, the second heat dissipation equipment and the third heat dissipation equipment, so that the problems of dispersed arrangement of the motor and the frequency converter, difficulty in installation and transportation, inconvenience for electromagnetic compatibility and high cost in the prior art are solved, the overvoltage impact of surge voltage on the motor and various accessory losses can be eliminated through the frequency converter and motor integrated equipment, the influence of the frequency converter on motor insulation is reduced, the layout of a traditional VFD room and the requirement for long-distance arrangement of a motor shielding wire are reduced, the space and transportation cost is saved, and the equipment purchase cost and the potential installation and maintenance problems are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced, which are used to provide further understanding of the present invention and are a part of the specification, and together with the embodiments of the present invention, are used to explain the present invention and do not constitute a limitation of the present invention.
It is to be understood that the drawings in the following description are merely exemplary of the utility model and that other drawings may be derived from the structure shown in the drawings by those skilled in the art without the exercise of inventive faculty.
FIG. 1 is a schematic perspective view of an integrated device of a frequency converter and a motor;
fig. 2 is a schematic plan structure diagram of a frequency converter and motor integrated device.
FIG. 1 illustrates by reference numerals: 1-a first cooling fan, 2-a second cooling fan, 3-a third cooling fan, 4-an alternating current asynchronous motor and 5-a frequency converter.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an embodiment, and referring to fig. 1, fig. 1 is a schematic three-dimensional structure diagram of a frequency converter and motor integrated device provided by the utility model.
As shown in fig. 1, in this embodiment, the frequency converter and motor integrated apparatus includes: first heat dissipation device 1, second heat dissipation device 2, third heat dissipation device 3, motor 4 and converter 5, wherein:
the first heat dissipation device 1 and the second heat dissipation device 2 are arranged on one side of the shell of the frequency converter and used for dissipating heat of the frequency converter;
the third heat dissipation device 3 is arranged on one side of the motor shell and used for dissipating heat of the motor;
the motor 4 is arranged in the motor shell and provides an alternating current power supply for the whole equipment;
the frequency converter 5 is arranged in a frequency converter shell at the top of the motor in an overlapping mode, and the output end of the frequency converter is connected with the motor and outputs a variable-frequency alternating-current driving power supply.
As shown in fig. 1, in this embodiment, after the frequency converter and the motor integrated device are integrated with the motor through the frequency converter, the size of the existing motor can be far exceeded, so that the integrated device space structure is arranged in an up-down overlapping manner, the frequency converter is arranged at the top of the frequency converter and the motor integrated device, the motor is arranged at the bottom of the frequency converter and the motor integrated device, the cooling fan is arranged at the side of the frequency converter and the motor integrated device, the frequency converter shell is connected with the motor shell to form a whole, and the hanging point of the device is integrated on the motor shell at the bottom.
As shown in fig. 2, in this embodiment, the frequency converter and motor integrated device adopts three heat dissipation devices, which are respectively: the first heat dissipation device 1, the second heat dissipation device 2 and the third heat dissipation device 3 are used for dissipating heat of the frequency converter and the motor integrated device through the three heat dissipation devices because great heat is generated in the operation process of the frequency converter 5 and the motor 4, namely the motor 4 and the frequency converter 5 are cooled by strong wind respectively, and the first heat dissipation device 1 and the second heat dissipation device 2 are installed on the side surface of the frequency converter 5 to dissipate heat of a heat sink of the frequency converter 5 because the structures of the motor 4 and the frequency converter 5 are different; and installing the third heat dissipation device 3 on the side surface of the motor 4 to dissipate heat of the motor 4. In addition, at the kneck of motor 4 and converter 5, still be provided with the heat dissipation cavity, prevent that the high temperature of frame from scattering to the converter, utilize the air-out of motor to cool off kneck simultaneously
In the embodiment, as shown in fig. 2, the frequency converter 5 and the motor 4 of the frequency converter and motor integrated equipment both adopt waterproof and dustproof closed shells, and the protection grade of the closed shells is not lower than IP 44.
As shown in fig. 2, in this embodiment, a vibration reduction structure is disposed between a casing of the frequency converter and a casing of the motor of the integrated device of the frequency converter and the motor, the vibration reduction structure adopts a cavity design in the middle of the motor and the frequency converter, and rubber pads are disposed around the vibration reduction structure, so that the vibration of the lower part of the frequency converter is effectively reduced from being transmitted to the upper frequency converter.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides a converter and motor integration equipment which characterized in that, converter and motor integration equipment includes: first heat dissipation device (1), second heat dissipation device (2), third heat dissipation device (3) motor (4) and converter (5), wherein:
the first heat dissipation device (1) and the second heat dissipation device (2) are arranged on one side of the shell of the frequency converter and are used for dissipating heat of the frequency converter;
the third heat dissipation equipment (3) is arranged on one side of the motor shell and is used for dissipating heat of the motor;
the motor (4) is arranged in the motor shell and provides an alternating current power supply for the whole device;
the frequency converter (5) is arranged in a frequency converter shell at the top of the motor in an overlapping mode, and the output end of the frequency converter is connected with the motor and outputs a variable-frequency alternating-current driving power supply.
2. A frequency converter and motor integrated device according to claim 1, characterized in that the motor (4) is an ac asynchronous motor.
3. A frequency converter and motor integrated device according to claim 1, characterized in that the input end of the frequency converter (5) is a rated voltage ac power supply end, and the output end of the frequency converter (5) is a variable voltage ac power supply end.
4. The integrated device of the frequency converter and the motor as claimed in claim 1, wherein the first heat sink (1), the second heat sink (2), and the third heat sink (3) are forced air cooling heat sinks.
5. The integrated equipment of the frequency converter and the motor as claimed in claim 4, wherein a heat dissipation cavity is arranged between the frequency converter and the motor.
6. The integrated equipment of the frequency converter and the motor as claimed in claim 1, wherein the frequency converter shell is made of waterproof and dustproof materials.
7. The integrated inverter and motor device according to claim 1, wherein a vibration damping structure is provided between the inverter housing and the motor housing.
8. The integrated equipment of the frequency converter and the motor as claimed in claim 7, wherein the middle part of the vibration damping structure is designed as a cavity, and the periphery of the vibration damping structure is provided with a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681089.8U CN215897522U (en) | 2021-04-02 | 2021-04-02 | Frequency converter and motor integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681089.8U CN215897522U (en) | 2021-04-02 | 2021-04-02 | Frequency converter and motor integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215897522U true CN215897522U (en) | 2022-02-22 |
Family
ID=80340131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120681089.8U Active CN215897522U (en) | 2021-04-02 | 2021-04-02 | Frequency converter and motor integrated equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215897522U (en) |
-
2021
- 2021-04-02 CN CN202120681089.8U patent/CN215897522U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Integrated modular motor drive design with GaN power FETs | |
| EP2765691A1 (en) | Charging device | |
| CN112217264A (en) | Charging pile and charging unit thereof | |
| CN110525240B (en) | Vehicle-mounted power battery, chargeable and dischargeable energy storage system and electric automobile | |
| EP2879475A1 (en) | Solar inverter | |
| JP6410972B2 (en) | Power converter | |
| CN202085082U (en) | Traction converter | |
| CN215897522U (en) | Frequency converter and motor integrated equipment | |
| WO2013141577A1 (en) | Propulsion control apparatus for electric vehicle | |
| EP2765672B1 (en) | Charging device | |
| CN205105111U (en) | Water -cooling variable frequency speed governing(VFSG) controlgear | |
| CN208387212U (en) | Highly integrated intelligent power module and air conditioner | |
| CN210129833U (en) | Drive control integrated device, drive controller and air conditioner | |
| EP3065283A1 (en) | Integrated power module | |
| CN211508888U (en) | Wind power generation grid-connected inverter | |
| CN212183378U (en) | Mining explosion-proof four-quadrant frequency conversion device structure containing filter reactor | |
| CN206195599U (en) | Power module | |
| CN216216570U (en) | Rectifying device | |
| CN215772561U (en) | Unbalanced three-phase load adjusting device | |
| KR101892817B1 (en) | Power Conversion Device | |
| CN214756047U (en) | Power converter | |
| CN219437423U (en) | Air-cooled heat dissipation charger power module | |
| CN214796999U (en) | Rectifier transformer for power supply product | |
| CN212726828U (en) | Low-power compact H-bridge high-voltage frequency converter power unit | |
| CN210958221U (en) | Motor controller structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |