CN208723799U - A kind of frequency conversion single tube power electric component - Google Patents
A kind of frequency conversion single tube power electric component Download PDFInfo
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- CN208723799U CN208723799U CN201821508969.XU CN201821508969U CN208723799U CN 208723799 U CN208723799 U CN 208723799U CN 201821508969 U CN201821508969 U CN 201821508969U CN 208723799 U CN208723799 U CN 208723799U
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- pcb board
- single tube
- rectification bridge
- frequency conversion
- phase rectification
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Abstract
The utility model discloses a kind of frequency conversion single tube power electric components, including single tube IGBT, shell, pcb board and three-phase rectification bridge, the outer casing bottom inner wall is fixedly installed with pcb board by screw, the pcb board upper surface middle part is fixedly installed with temperature sensor by screw, the temperature sensor is electrically connected by conducting wire and pcb board, the pcb board upper surface is located at temperature sensor side and is fixedly welded with three-phase rectification bridge, the three-phase rectification bridge and pcb board are electrically connected, the pcb board upper surface is located at three-phase rectification bridge side and is fixedly welded with single tube IGBT, the utility model will be by that will brake freewheeling diode, single tube IGBT, temperature sensor and three-phase rectification bridge are integrated on pcb board, each electrical component installed respectively relative to existing For mode, integrated installation can save a large amount of installation spaces, and convenient for concentrating maintenance；Simultaneously because integrated installation, can integrate multiple single tube IGBT on pcb board, the effect that frequency conversion uses can be realized.
Description
Technical field
The utility model relates to frequency conversion single tube technical field, specially a kind of frequency conversion single tube power electric component.
Background technique
Inverter is that direct current energy (battery, battery) is transformed into alternating current (generally 220V, 50Hz sine wave).It
It is made of inverter bridge, control logic and filter circuit.It is widely used in air-conditioning, home theater, electric wheel, electric tool, seam
It threads machine, DVD, VCD, computer, TV, washing machine, smoke exhaust ventilator, refrigerator, video recorder, massager, fan, illumination etc..In foreign countries
Because the i.e. available inverter connection battery of the higher outgoing work of the popularity rate of automobile or out on tours drives electric appliance and various tools
Work.
But it is traditional there are some drawbacks in use, such as:
The inverter of small-power 0.4-1.5KW in the market, in order to which there are also much use single tube scheme for save the cost.But
The stability of single tube scheme entirety is poor, and installation dimension is larger, occupies more installation space, and since component is pacified
Dress relatively disperses, bad concentration maintenance.
Utility model content
The purpose of this utility model is to provide a kind of frequency conversion single tube power electric components, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of frequency conversion single tube power electric component,
Including single tube IGBT, shell, pcb board and three-phase rectification bridge, the outer casing bottom inner wall is fixedly installed with PCB by screw
Plate, the pcb board upper surface middle part are fixedly installed with temperature sensor by screw, the temperature sensor by conducting wire with
Pcb board is electrically connected, and the pcb board upper surface is located at temperature sensor side and is fixedly welded with three-phase rectification bridge, the three-phase
Rectifier bridge and pcb board are electrically connected, and the pcb board upper surface is located at three-phase rectification bridge side and is fixedly welded with single tube IGBT, institute
It states single tube IGBT to be electrically connected by conducting wire and pcb board, the pcb board upper surface is welded with braking freewheeling diode, the system
Dynamic freewheeling diode and pcb board are electrically connected, and the braking freewheeling diode is mounted on single tube IGBT far from three-phase rectification bridge one
Side；The pcb board upper surface is uniformly fixedly welded with stitch, and the cover top portion is uniformly provided with stitch hole, and the stitch is inserted
It connects inside stitch hole, fixation offers peep pole at the center of the cover top portion side.
Further, the shell both ends have been respectively fixedly connected with mounting groove, and fixation offers spiral shell in the middle part of the mounting groove
Nail hole.
Further, fixation offers mounting hole respectively for the shell quadrangle.
Further, the pcb board upper surface is uniformly equipped with seven single tube IGBT.
Further, the temperature sensor is for detecting inverter temperature.
Compared with prior art, the utility model has the beneficial effects that
It is integrated on pcb board by the way that freewheeling diode, single tube IGBT, temperature sensor and three-phase rectification bridge will be braked,
For the existing mode for installing each electrical component respectively, it is empty that integrated installation can save a large amount of installations
Between, and convenient for concentrating maintenance；Simultaneously because integrated installation, multiple single tube IGBT can be integrated on pcb board, can be realized frequency conversion
The effect used.
Detailed description of the invention
Fig. 1 is the utility model top view cross section structural schematic diagram；
Fig. 2 is the utility model overlooking structure diagram；
Fig. 3 is the utility model schematic view of the front view.
In Fig. 1-3: 1- mounting hole；2- brakes freewheeling diode；3- single tube IGBT；4- shell；5-PCB plate；6- mounting groove；
7- temperature sensor；8- three-phase rectification bridge；9- stitch；10- stitch hole；11- screw hole；12- peep pole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of frequency conversion single tube power electric component, packet
Single tube IGBT3, shell 4, pcb board 5 and three-phase rectification bridge 8 are included, 4 bottom interior wall of shell is fixedly installed with by screw
Pcb board 5,5 upper surface middle part of pcb board are fixedly installed with temperature sensor 7 by screw, and the temperature sensor 7 is logical
It crosses conducting wire and pcb board 5 is electrically connected, 5 upper surface of pcb board is located at 7 side of temperature sensor and is fixedly welded with three phase rectifier
Bridge 8, the three-phase rectification bridge 8 are electrically connected with pcb board 5, and 5 upper surface of pcb board is located at the fixed weldering in 8 side of three-phase rectification bridge
It is connected to single tube IGBT3, the single tube IGBT3 is electrically connected by conducting wire and pcb board 5, and 5 upper surface of pcb board is welded with system
Dynamic freewheeling diode 2, the braking freewheeling diode 2 are electrically connected with pcb board 5, and the braking freewheeling diode 2 is mounted on list
Pipe IGBT3 is far from 8 side of three-phase rectification bridge；5 upper surface of pcb board is uniformly fixedly welded with stitch 9,4 top of shell
It is uniformly provided with stitch hole 10, the stitch 9 is plugged on inside stitch hole 10, and fixation is opened at the 4 top side center of shell
Equipped with peep pole 12.
It is respectively fixedly connected with mounting groove 6 by 4 both ends of shell, fixation offers screw in the middle part of the mounting groove 6
Hole 11, the mounting groove 6 convenient for users to being arranged by 4 both ends of shell is installed, so that installation is more convenient, and mounting groove 6
The screw that can be protected and be installed inside hidden screw hole 11；It is fixed respectively by 4 four jiaos of the shell and offers mounting hole
1, convenient for will be installed between shell 4 and shell bottom plate, so that shell 4 has more globality；Pass through table on the pcb board 5
Face is uniformly equipped with seven single tube IGBT3, so that the integration of single tube IGBT3 is higher, reduces electronic component overall volume；It is logical
The temperature sensor 7 is crossed for detecting inverter temperature, convenient for the operating temperature of real-time detection inverter, and by operating temperature
It is reported, will be alarmed when operating temperature is excessively high.
Working principle: in use, by the way that freewheeling diode 2, single tube IGBT3, temperature sensor 7 and three phase rectifier will be braked
Bridge 8 is integrated on pcb board 5, for the existing mode for installing each electrical component respectively, integrated installation
A large amount of installation spaces can be saved, and convenient for concentrating maintenance；Simultaneously because integrated installation, can integrate multiple lists on pcb board 5
Pipe IGBT3 can be realized the effect that frequency conversion uses.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of frequency conversion single tube power electric component, including single tube IGBT(3), shell (4), pcb board (5) and three-phase rectification bridge
(8), it is characterised in that: shell (4) bottom interior wall is fixedly installed with pcb board (5) by screw, on the pcb board (5)
Surface middle part is fixedly installed with temperature sensor (7) by screw, and the temperature sensor (7) passes through conducting wire and pcb board (5)
It is electrically connected, pcb board (5) upper surface is located at temperature sensor (7) side and is fixedly welded with three-phase rectification bridge (8), described
Three-phase rectification bridge (8) and pcb board (5) are electrically connected, and pcb board (5) upper surface is located at the fixed weldering in three-phase rectification bridge (8) side
It is connected to single tube IGBT(3), the single tube IGBT(3) it is electrically connected by conducting wire and pcb board (5), pcb board (5) upper surface
It is welded with braking freewheeling diode (2), the braking freewheeling diode (2) and pcb board (5) are electrically connected, the braking afterflow
Diode (2) is mounted on single tube IGBT(3) far from three-phase rectification bridge (8) side；Pcb board (5) upper surface uniformly fixed weldering
It is connected to stitch (9), is uniformly provided with stitch hole (10) at the top of the shell (4), the stitch (9) is plugged in stitch hole (10)
Portion, fixation offers peep pole (12) at shell (4) the top side center.
2. a kind of frequency conversion single tube power electric component according to claim 1, it is characterised in that: the shell (4) two
End has been respectively fixedly connected with mounting groove (6), and fixation offers screw hole (11) in the middle part of the mounting groove (6).
3. a kind of frequency conversion single tube power electric component according to claim 1, it is characterised in that: the shell (4) four
Fixation offers mounting hole (1) respectively at angle.
4. a kind of frequency conversion single tube power electric component according to claim 1, it is characterised in that: on the pcb board (5)
Surface is uniformly equipped with seven single tube IGBT(3).
5. a kind of frequency conversion single tube power electric component according to claim 1, it is characterised in that: the temperature sensor
(7) for detecting inverter temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821508969.XU CN208723799U (en) | 2018-09-15 | 2018-09-15 | A kind of frequency conversion single tube power electric component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821508969.XU CN208723799U (en) | 2018-09-15 | 2018-09-15 | A kind of frequency conversion single tube power electric component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723799U true CN208723799U (en) | 2019-04-09 |
Family
ID=65982055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821508969.XU Active CN208723799U (en) | 2018-09-15 | 2018-09-15 | A kind of frequency conversion single tube power electric component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208723799U (en) |
-
2018
- 2018-09-15 CN CN201821508969.XU patent/CN208723799U/en active Active
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