CN207117489U - A kind of engraving machine special converter - Google Patents
A kind of engraving machine special converter Download PDFInfo
- Publication number
- CN207117489U CN207117489U CN201721085989.6U CN201721085989U CN207117489U CN 207117489 U CN207117489 U CN 207117489U CN 201721085989 U CN201721085989 U CN 201721085989U CN 207117489 U CN207117489 U CN 207117489U
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- circuit
- inverter
- filter
- rectification
- governor
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Abstract
The utility model discloses a kind of engraving machine special converter, including：Rectification circuit, filter circuit, inverter circuit, motor circuit, power circuit, governor circuit and man-machine interface circuit；The rectification circuit includes six commutation diodes, and the rectification circuit output end is connected to filter circuit via a charging resistor, and the charging resistor is parallel with a contactor；The filter circuit includes four electrochemical capacitors, is parallel with resistance respectively on four electrochemical capacitors, the filter circuit is connected to the inverter circuit；The inverter circuit includes six FETs, and the inverter circuit is connected with the motor circuit and power circuit respectively；The power circuit is connected to the governor circuit；The governor circuit is connected to the man-machine interface circuit.The utility model is compared with prior art, more compact durable.
Description
Technical field
It the utility model is related to Frequency Converter Control technical field, more particularly to a kind of engraving machine special converter.
Background technology
At present, digital-controlled carving machine is increasingly becoming the indispensable professional tool of every profession and trade production.Axis system is digital-controlled carving machine
Important composition part, its performance has vital influence to the performance of digital-controlled carving machine complete machine.Frequency converter is as main shaft
Heart in system, even more indispensable critical component.By Design of Inverter obtain more small and exquisite exquisiteness, be easily installed, quality
More reliable and more stable is always that all research staff for being directed to IGBT and user compare concern.The change of compact
Frequency device make it that more apparatus can be installed in the switch board of same size, can further reduce equipment cost,
Make product competitive.
The content of the invention
The utility model purpose is to provide a kind of engraving machine special converter.
Technical scheme is used by the utility model solves above-mentioned technical problem：
A kind of engraving machine special converter, including：Rectification circuit, filter circuit, inverter circuit, motor circuit, power supply electricity
Road, governor circuit and man-machine interface circuit；
The rectification circuit includes six commutation diodes, and the rectification circuit output end connects via a charging resistor
To filter circuit, the charging resistor is parallel with a contactor；
The filter circuit includes four electrochemical capacitors, and resistance, the filter are parallel with respectively on four electrochemical capacitors
Wave circuit is connected to the inverter circuit；
The inverter circuit includes six FETs, the inverter circuit respectively with the motor circuit and power circuit
Connection；
The power circuit is connected to the governor circuit；
The governor circuit is connected to the man-machine interface circuit.
The utility model is compared with prior art, more compact durable.
Brief description of the drawings
Fig. 1 is a kind of engraving machine special converter of an embodiment of the present utility model.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Description is according to a kind of engraving machine special converter of an embodiment of the present utility model, the root as shown in Figure 1
A kind of engraving machine special converter according to an embodiment of the present utility model includes：Rectification circuit 1, filter circuit 2, inversion
Circuit 3, motor circuit 4, power circuit 5, governor circuit 6 and man-machine interface circuit 7；
The filter circuit 2 is connected with the output end of rectification circuit 1, and the filter circuit 2 is additionally coupled to inverter circuit 3；
The inverter circuit 3 is connected with the motor circuit 4 and power circuit 5 respectively；The power circuit 5 is connected to the master control electricity
Road 6；The governor circuit 6 is connected to the man-machine interface circuit 7；
The rectification circuit 1 includes six commutation diodes, and the rectification circuit output end connects via a charging resistor
Filter circuit is connected to, the charging resistor is parallel with a contactor；Industrial frequency AC electric rectification is pulsation by the rectification circuit 1
Direct current, used for subordinate circuit.
The filter circuit 2 includes four electrochemical capacitors, and resistance, the filter are parallel with respectively on four electrochemical capacitors
Wave circuit is connected to the inverter circuit；Filter circuit 2 is connected in the output end of rectification circuit 1, and filter circuit 2 is responsible for arteries and veins
Dynamic direct current becomes gentle, eliminates peak current.
The inverter circuit 3 of frequency converter includes six FETs, is changed into amplitude and frequency-adjustable for completing direct current
Alternating current this process, so as to control the purpose of asynchronous machine；
Isolated drive circuit is connected with inverter circuit 3 and with adjusting frequency and the voltage that inversion exports.
In motor circuit 4, transducer drive power panel is mainly made up of drive circuit, Switching Power Supply, protection circuit, is completed
Control, regulation and warning function during whole service.
The power circuit 5 includes：3844 chips, switching tube, transformer and voltage stabilizing and calibration circuit.It is responsible for main control loop
And the normal operation of outside high speed cooling fan.
In frequency converter governor circuit 6, master control borad uses computing of the SPWM algorithms to signal mainly using dsp chip as core
Every control function of frequency converter is completed in processing and the output of every analog quantity, switching value and temperature detection；GPRS units are adopted
With hardware-software combination design concept, the communication between CPU and GPRS communication modules is realized, by the different types of of CPU outputs
Multiple data are separated, errorless, in good time by network, and then are transmitted to remote monitoring data center, while will can also monitor
The order of data center it is in good time be sent to CPU, so as to realize monitoring in real time, processing, regulatory function.
Frequency converter man-machine interface circuit 7 is responsible for setting, change and the prison of user's parameter in frequency converter is run or is shut down
Depending on.
In embodiment as shown in Figure 1, after input survey is passed through three-phase alternating current, rectification circuit 1 passes through six diodes
Rectified action, alternating current is converted to the direct current of pulsation, then give large bulk capacitance to charge by charging resistor, electrochemical capacitor
Energy storage is proceeded by, after the completion of to be charged, contactor receives the pickup signal of master control borad, and charging resistor is short-circuit, now, just
Complete the upper electronic work of frequency converter.Afterwards, filter circuit 2 carries out flat ripple to direct current, and the module of inverter circuit 3 turns direct current
Exchange electricity output of the size with frequency-adjustable is changed to, and then controls asynchronous machine, power panel and master control borad rise in whole process
To the effect regulated and controled for major loop comprehensively, wherein power panel can pass through drive circuit, switching power circuit 5, detection electricity
Road, protection circuit etc. reach the real-time control to voltage, frequency, and wherein master control borad can use using DSP main control chips as core
The items of frequency converter are completed in output of the SPWM algorithms to the calculation process and every analog quantity, switching value and temperature detection of signal
Control function.
The utility model is compared with prior art, more compact durable.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (1)
- A kind of 1. engraving machine special converter, it is characterised in that including：Rectification circuit, filter circuit, inverter circuit, motor electricity Road, power circuit, governor circuit and man-machine interface circuit；The rectification circuit includes six commutation diodes, and the rectification circuit output end is connected to filter via a charging resistor Wave circuit, the charging resistor are parallel with a contactor；The filter circuit includes four electrochemical capacitors, and resistance, the filtered electrical are parallel with respectively on four electrochemical capacitors Road is connected to the inverter circuit；The inverter circuit includes six FETs, and the inverter circuit connects with the motor circuit and power circuit respectively Connect；The power circuit is connected to the governor circuit；The governor circuit is connected to the man-machine interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085989.6U CN207117489U (en) | 2017-08-29 | 2017-08-29 | A kind of engraving machine special converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085989.6U CN207117489U (en) | 2017-08-29 | 2017-08-29 | A kind of engraving machine special converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207117489U true CN207117489U (en) | 2018-03-16 |
Family
ID=61577946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721085989.6U Active CN207117489U (en) | 2017-08-29 | 2017-08-29 | A kind of engraving machine special converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207117489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164097A (en) * | 2018-03-29 | 2019-08-23 | 浙江中越检测技术服务有限公司 | Poisonous gas leakage detection circuit in a kind of chemical industry preparation process |
-
2017
- 2017-08-29 CN CN201721085989.6U patent/CN207117489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164097A (en) * | 2018-03-29 | 2019-08-23 | 浙江中越检测技术服务有限公司 | Poisonous gas leakage detection circuit in a kind of chemical industry preparation process |
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