CN204807678U - Motor type test system - Google Patents
Motor type test system Download PDFInfo
- Publication number
- CN204807678U CN204807678U CN201520550055.XU CN201520550055U CN204807678U CN 204807678 U CN204807678 U CN 204807678U CN 201520550055 U CN201520550055 U CN 201520550055U CN 204807678 U CN204807678 U CN 204807678U
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- Prior art keywords
- circuit
- module
- output voltage
- voltage gear
- gear switch
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Abstract
The utility model relates to an electric machine the system discloses a motor type test system, include the supply input module that connects gradually according to the direction of current flow, rectifier module, DCAC conversion module, filter module, the output voltage gear switches the module, the output modul, inverter drive circuit, the last rectifier circuit that is equipped with of rectifier module, the last DCAC converting circuit that is equipped with of DCAC conversion module, the last filter circuit that is equipped with of filter module, be equipped with output voltage gear switching circuit in the output voltage gear switching module, be connected through DCAC converting circuit between rectifier circuit and the filter circuit. The utility model discloses a contravariant return circuit of originality design, frequency conversion drive circuit through setting up on the contravariant return circuit has realized the frequency conversion soft start, has reduced the current rush the when motor starts, again through setting up excess temperature observation circuit, FUSE fusing observation circuit, input voltage observation circuit on the contravariant return circuit for system's interference killing feature is stronger, and the electric property is better, and the reliability is also higher.
Description
Technical field
The utility model relates to a kind of electric system, particularly relates to a kind of electrical type tests system.
Background technology
Mainly there is following shortcoming in existing electrical type tests system: one is that variable-frequency power sources adopts common inversion module and control circuit thereof mostly, and make system rejection to disturbance ability more weak, and electric property is poor, reliability is also lower; Two is that driving circuit on inversion circuit lacks the corresponding functional circuit such as electrostatic protection, gate pole protection, anti-pressure protection, overvoltage protection, short-circuit protection, as excess temperature observation circuit, FUSE fuse observation circuit, input voltage observation circuit etc.
Summary of the invention
Mainly there is following shortcoming for electrical type tests system existing in prior art in the utility model: one is that variable-frequency power sources adopts common inversion module and control circuit thereof mostly, make system rejection to disturbance ability more weak, and electric property is poor, reliability is also lower; Two is that driving circuit on inversion circuit lacks the corresponding functional circuit such as electrostatic protection, gate pole protection, anti-pressure protection, overvoltage protection, short-circuit protection; as excess temperature observation circuit, FUSE fuse observation circuit, input voltage observation circuit etc., provide a kind of adopt the inversion circuit of innovative design and by inversion circuit being arranged excess temperature observation circuit, FUSE fuses observation circuit, input voltage observation circuit makes that system rejection to disturbance ability is comparatively strong, electric property better and the also higher electrical type tests system of reliability.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of electrical type tests system, comprise the civil power load module connected successively by direction of current, rectification module, DC/AC modular converter, filtration module, output voltage gear switch module, output module, rectification module, filtration module is located at impulse commutation transformer respectively, on filter transformer, rectification module is provided with rectification circuit, DC/AC modular converter is provided with DC/AC change-over circuit, filtration module is provided with filtering circuit, output voltage gear switch module is provided with output voltage gear switch circuit, be connected by DC/AC change-over circuit between rectification circuit with filtering circuit, from civil power load module input power, successively through rectification module, DC/AC modular converter, filtration module, the effect of output voltage gear switch module, from output module out-put supply, also comprise the inverse changing driving circuit be located in inverter control chip, inverse changing driving circuit is connected between DC/AC change-over circuit and output voltage gear switch circuit, inverse changing driving circuit comprises electrical quantity sample circuit, feedback loop, waveform generating circuit, PWM ripple output control circuit, variable frequency drive, output voltage gear switch circuit, electrical quantity sample circuit, feedback loop, waveform generating circuit, PWM ripple output control circuit, variable frequency drive, DC/AC change-over circuit connects successively by direction of current, DC/AC change-over circuit, filtering circuit, output voltage gear switch circuit, electrical quantity sample circuit, feedback loop, waveform generating circuit, PWM ripple output control circuit, variable frequency drive, DC/AC change-over circuit forms inversion circuit.
As preferably, PWM ripple output control circuit is connected with excess temperature observation circuit.
As preferably, PWM ripple output control circuit is connected with FUSE and fuses observation circuit.
As preferably, PWM ripple output control circuit is connected with input voltage observation circuit.
The utility model is owing to have employed above technical scheme, there is significant technique effect: the inversion circuit adopting innovative design, by the variable frequency drive that inversion circuit is arranged, achieve frequency conversion soft start, reduce rush of current during electric motor starting, again by inversion circuit being arranged excess temperature observation circuit, FUSE fuses observation circuit, input voltage observation circuit, makes system rejection to disturbance ability stronger, electric property is better, and reliability is also higher.
Accompanying drawing explanation
Fig. 1 is the system principle diagram of the utility model electrical type tests system embodiment.
The toponym that in accompanying drawing, each number designation refers to is as follows: 1-output module, 2-output voltage gear switch module, 3-filtration module, 4-DC/AC modular converter, 5-rectification module, 6-civil power load module, 7-excess temperature observation circuit, 8-FUSE fuses observation circuit, 9-input voltage observation circuit, 10-inverse changing driving circuit, 20-output voltage gear switch circuit, 30-filtering circuit, 40-DC/AC change-over circuit, 50-rectification circuit, 101-electrical quantity sample circuit, 102-variable frequency drive, 103-feedback loop, 104-waveform generating circuit, 105-PWM ripple output control circuit.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
A kind of electrical type tests system, as shown in Figure 1, comprise the civil power load module 6 connected successively by direction of current, rectification module 5, DC/AC modular converter 4, filtration module 3, output voltage gear switch module 2, output module 1, rectification module 5, filtration module 3 is located at impulse commutation transformer respectively, on filter transformer, rectification module 5 is provided with rectification circuit 50, DC/AC modular converter 4 is provided with DC/AC change-over circuit 40, filtration module 3 is provided with filtering circuit 30, output voltage gear switch module 2 is provided with output voltage gear switch circuit 20, be connected by DC/AC change-over circuit 40 between rectification circuit 50 with filtering circuit 30, from civil power load module 6 input power, successively through rectification module 5, DC/AC modular converter 4, filtration module 3, the effect of output voltage gear switch module 2, from output module 1 out-put supply, also comprise the inverse changing driving circuit 10 be located in inverter control chip, inverse changing driving circuit 10 is connected between DC/AC change-over circuit 40 and output voltage gear switch circuit 20, and inverse changing driving circuit 10 comprises electrical quantity sample circuit 101, feedback loop 103, waveform generating circuit 104, PWM ripple output control circuit 105, variable frequency drive 102, output voltage gear switch circuit 20, electrical quantity sample circuit 101, feedback loop 103, waveform generating circuit 104, PWM ripple output control circuit 105, variable frequency drive 102, DC/AC change-over circuit 40 connects successively by direction of current, DC/AC change-over circuit 40, filtering circuit 30, output voltage gear switch circuit 20, electrical quantity sample circuit 101, feedback loop 103, waveform generating circuit 104, PWM ripple output control circuit 105, variable frequency drive 102, DC/AC change-over circuit 40 forms inversion circuit.
PWM ripple output control circuit 105 is connected with excess temperature observation circuit 7.
PWM ripple output control circuit 105 is connected with FUSE fusing observation circuit 8.
PWM ripple output control circuit 105 is connected with input voltage observation circuit 9.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (4)
1. an electrical type tests system, comprise the civil power load module (6) connected successively by direction of current, rectification module (5), DC/AC modular converter (4), filtration module (3), output voltage gear switch module (2), output module (1), rectification module (5), filtration module (3) is located at impulse commutation transformer respectively, on filter transformer, rectification module (5) is provided with rectification circuit (50), DC/AC modular converter (4) is provided with DC/AC change-over circuit (40), filtration module (3) is provided with filtering circuit (30), output voltage gear switch module (2) is provided with output voltage gear switch circuit (20), be connected by DC/AC change-over circuit (40) between rectification circuit (50) with filtering circuit (30), from civil power load module (6) input power, successively through rectification module (5), DC/AC modular converter (4), filtration module (3), the effect of output voltage gear switch module (2), from output module (1) out-put supply, it is characterized in that: also comprise the inverse changing driving circuit (10) be located in inverter control chip, inverse changing driving circuit (10) is connected between DC/AC change-over circuit (40) and output voltage gear switch circuit (20), and inverse changing driving circuit (10) comprises electrical quantity sample circuit (101), feedback loop (103), waveform generating circuit (104), PWM ripple output control circuit (105), variable frequency drive (102), output voltage gear switch circuit (20), electrical quantity sample circuit (101), feedback loop (103), waveform generating circuit (104), PWM ripple output control circuit (105), variable frequency drive (102), DC/AC change-over circuit (40) connects successively by direction of current, DC/AC change-over circuit (40), filtering circuit (30), output voltage gear switch circuit (20), electrical quantity sample circuit (101), feedback loop (103), waveform generating circuit (104), PWM ripple output control circuit (105), variable frequency drive (102), DC/AC change-over circuit (40) forms inversion circuit.
2. a kind of electrical type tests system according to claim 1, is characterized in that: PWM ripple output control circuit (105) is connected with excess temperature observation circuit (7).
3. a kind of electrical type tests system according to claim 1 and 2, is characterized in that: PWM ripple output control circuit (105) is connected with FUSE fusing observation circuit (8).
4. a kind of electrical type tests system according to claim 3, is characterized in that: PWM ripple output control circuit (105) is connected with input voltage observation circuit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550055.XU CN204807678U (en) | 2015-07-23 | 2015-07-23 | Motor type test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550055.XU CN204807678U (en) | 2015-07-23 | 2015-07-23 | Motor type test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204807678U true CN204807678U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520550055.XU Expired - Fee Related CN204807678U (en) | 2015-07-23 | 2015-07-23 | Motor type test system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204807678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459183A (en) * | 2017-02-20 | 2018-08-28 | 武汉市欧睿科技有限公司 | Frequency tripling induced voltage generator |
-
2015
- 2015-07-23 CN CN201520550055.XU patent/CN204807678U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459183A (en) * | 2017-02-20 | 2018-08-28 | 武汉市欧睿科技有限公司 | Frequency tripling induced voltage generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 314100 Jiashan City, Jiaxing province Huimin street, No. Jiang Road, building 81, No. 2 Patentee after: Jiaxing VOR Electronic Science and Technology Co., Ltd. Address before: 314000 room, room 1, No. 522, Yatai Road, Zhejiang, Jiaxing, China Patentee before: Jiaxing VOR Electronic Science and Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20180723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |