CN203732701U - Quenching machine tool induction heating power supply fault diagnosis system - Google Patents
Quenching machine tool induction heating power supply fault diagnosis system Download PDFInfo
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- CN203732701U CN203732701U CN201320830665.6U CN201320830665U CN203732701U CN 203732701 U CN203732701 U CN 203732701U CN 201320830665 U CN201320830665 U CN 201320830665U CN 203732701 U CN203732701 U CN 203732701U
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- induction heating
- heating power
- computer diagnostic
- fault diagnosis
- diagnosis system
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Abstract
The utility model discloses a quenching machine tool induction heating power supply fault diagnosis system. The system comprises an isolation device. The output end of the isolation device is connected to a lower computer diagnostic device. The lower computer diagnostic device is connected to an upper computer diagnostic device. The lower computer diagnostic device comprises a signal collection module in connection with the isolation device. The output end of the signal collection module is connected to a PC. The PC is internally provided with an operation selection module. The output end of the PC is connected to the lower computer diagnostic display. The output end of the PC is connected to the upper computer diagnostic device through a communication device. The upper computer diagnostic device comprises a microprocessor. The input end of the microprocessor is connected to the PC through the communication device. The output end of the microprocessor is separately connected to an information display module, an upper computer diagnostic display and a storage module. The induction heating power supply fault diagnosis system enables expert diagnosis and intelligent monitor, and enables remote guidance of on-site unkeeping usage with usage convenience and efficiency.
Description
Technical field
The utility model relates to a kind of diagnostic system, relates in particular to a kind of quenching machine induction heating power fault diagnosis system that is applicable to high-frequency quenching machine.
Background technology
Along with the raising of induction heat treatment production line automation control degree and power supply high reliability request, must strengthen the exploitation of heating process complete equipment.The intelligent future development of controlling of heating system forward simultaneously, there is computer intelligence interface, Long-distance Control and automatic fault diagnosis function, miniaturization and applicable field work, induction heating power system energy-efficient and Based Intelligent Control performance has started to occur; Modern induction heating power is just towards high-power, high frequency future development.This is a sizable challenge to Modern Power Electronic Devices.But the most producers of machinery industry quenching production equipment is still relatively backward at present, works stable not, conformability is poor, can not meet the quenching technical requirement of kinds of processes and many kinds.Based on the above-mentioned defect and the deficiency that exist in prior art products, be therefore badly in need of a kind of high-frequency quenching machine induction power supply diagnostic system with fault diagnosis Based Intelligent Control.
Utility model content
Technical problem to be solved in the utility model is to provide the quenching machine induction heating power fault diagnosis system of the intelligent monitoring of a kind of energy, remote diagnosis guidance.
For solving the problems of the technologies described above, the technical solution of the utility model is: quenching machine induction heating power fault diagnosis system, comprise the spacer assembly being connected with induction heating power, the output terminal of described spacer assembly is connected with slave computer diagnostic device, and described slave computer diagnostic device is connected with host computer diagnostic device;
Described slave computer diagnostic device comprises the signal acquisition module being connected with described spacer assembly, the output terminal of described signal acquisition module is connected with PC, and in described PC, be provided with operation and select module, the output terminal of described PC is connected with slave computer diagnostic display unit, and the output terminal of described PC is connected to described host computer diagnostic device by communication device;
Described host computer diagnostic device comprises microprocessor, and the input end of described microprocessor is connected to described PC by described communication device, and the output terminal of described microprocessor is connected with respectively information display module, host computer diagnostic display unit and memory module.
Improve as one, described induction heating power comprises rectification circuit, and described rectification circuit two ends are connected with inverter circuit, and described inverter circuit two ends are connected with sensor circuit.
Improve as one, the information of described signal acquisition module collection comprises voltage and the shape information of electroless state information, half electricity condition information, full electricity condition information and the described inverter circuit of described induction heating power.
Improve as one, described slave computer diagnostic display unit and described host computer diagnostic display unit are set to respectively liquid crystal display.
Improve as one, described communication device is set to RS-485 communication interface, RS-232 communication interface or wireless ethernet.
Improve as one, described information display module comprises for showing that described induction heating power adds the LED numeral display window of thermal information.
Improve as one, described memory module comprises and is arranged on the internal storage in described microprocessor or is arranged on described microprocessor for connecting the USB interface of outside USB flash disk, portable hard drive.
Improve as one, described spacer assembly comprises electrical isolation plate, signal division board and communication division board.
Owing to having adopted technique scheme, the beneficial effects of the utility model are:
1. by real-time diagnosis control, can effectively enhance productivity to twice, reduce largely maintenance, maintenance time, thereby greatly save cost of labor and equipment investment cost.
2. this induction heating power diagnostic system has the ability of expert diagnosis, intelligent monitoring, can use by remote guide site examining and repairing, convenient to use.
Brief description of the drawings
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is structure framework figure of the present utility model;
Fig. 2 is the circuit theory diagrams of the utility model induction heating power;
Fig. 3 is the structured flowchart of the utility model slave computer diagnostic device;
Fig. 4 is the structured flowchart of the utility model host computer diagnostic device;
In figure: 1-rectification circuit; 2-inverter circuit; 3-sensor circuit.
Embodiment
As shown in Figure 1, quenching machine induction heating power fault diagnosis system, comprises the spacer assembly being connected with induction heating power, and the output terminal of described spacer assembly is connected with slave computer diagnostic device, and described slave computer diagnostic device is connected with host computer diagnostic device.
As shown in Figure 2, described induction heating power comprises rectification circuit 1, and described rectification circuit 1 two ends are connected with inverter circuit 2, and described inverter circuit 2 two ends are connected with sensor circuit 3.Wherein inverter circuit 2 mainly comprises IGBT inversion module, and sensor circuit 3 is RC sensor circuit 3, and rectification circuit 1, inverter circuit 2 and sensor circuit 3 are the known content of those of ordinary skill in the art, here no longer describe in detail.
The described induction heating power of the present embodiment is PPST high frequency induction power supply; it is brand-new generation intelligent power supply; adopt digital integrated circuit control, there is superpotential, excess current, power, frequency, Inlet and outlet water pressure reduction, cooling water temperature, not starting of oscillation, inverter failure, pressure limiting, current limliting, frequency of operation tracking and fault alarm defencive function thereof.And PPST high frequency induction power supply 12 dissimilar heated partses able to programme, the workpiece of each type can comprise 25 and perform an action, and the operating voltage to each workpiece, electric current, frequency can be set by program., to have reduced the unstable of product quality that artificial incorrect operation brings.The frequency of high frequency induction power supply adopts automatic tracking adaptive simultaneously, can make supply frequency in the intermediate frequency wide frequency ranges of 35～100KHz He in 135～400KHz high-frequency range, all realize adaptive control by the external inductors of choosing.
As shown in Figure 3, the described slave computer diagnostic device of the present embodiment comprises the signal acquisition module being connected with described spacer assembly, the output terminal of described signal acquisition module is connected with PC, in described PC, store the standard information parameter of induction heating power, and in described PC, be provided with operation and select module, the output terminal of described PC is connected with slave computer diagnostic display unit, and the output terminal of described PC is connected to described host computer diagnostic device by communication device, slave computer diagnostic device is mainly realized state-detection, switching between detection signal and selection, the functions such as data acquisition, wherein state-detection mainly relies on signal acquisition module to complete, switching between detection signal selects module to complete with selecting main dependence operation, and operation selects module can be set to the selection function button in PC, data acquisition has signal acquisition module to complete.
The information of described signal acquisition module collection comprises voltage and the shape information of electroless state information, half electricity condition information, full electricity condition information and the described inverter circuit 2 of described induction heating power, and native system has been mainly the diagnosis of above-mentioned four kinds of information.Wherein electroless state information spinner will detect RC link in inverter circuit 2 and the parameter information of diode D1～D2; Described half electricity condition information spinner will detect the data of silicon controlled trigger signal in rectification circuit 1, inversion group work GBT control signal and waveform, can make compare of analysis with the standard information parameter of storing in described PC; Described full electricity condition detects the 14 main input of rectification circuit 1 and the inverter voltages of output and inverter circuit 2 of detecting;
Described slave computer diagnostic display unit is set to liquid crystal display, and above-mentioned various waveforms and information can show by liquid crystal display, and carries out data deposit and preserve, and can also make compare of analysis with the reference waveform of prior storage.Liquid crystal display can also show quenching process, technological parameter and tracking all operations were process, as found, fault or technological parameter depart from set-point, just can automatically revise or automatically list rejected part, make control system break-off and report to the police, in liquid crystal display, can also show failure message character and the action that will revise simultaneously.
Described communication device is set to RS-485 communication interface, RS-232 communication interface or wireless ethernet, the monitoring distance of RS-485 communication interface or RS-232 communication interface is between 1000 meters, and by Ethernet can with remote computer networking, realize long-range and strange land monitoring data transmission and expert diagnosis.
As shown in Figure 4, the described host computer diagnostic device of the present embodiment comprises microprocessor, the input end of described microprocessor is connected to described PC by described communication device, and the output terminal of described microprocessor is connected with respectively information display module, host computer diagnostic display unit and memory module.
Wherein microprocessor is 32 bit processors of Arm Cortex M3 kernel, and inside is provided with technical grade chip LPC1765 series.Described information display module comprises for showing that described induction heating power adds the LED numeral display window of thermal information, in order to show operating mode step number, heat time, heating power etc.In microprocessor, be provided with the button identical with selection function button effect in PC, select to realize Long-distance Control and function.Described host computer diagnostic display unit is also set to liquid crystal display, and liquid crystal display is 6.4 cun of sizes, to facilitate inquiry to watch.Described memory module comprises and is arranged on the internal storage in described microprocessor or is arranged on described microprocessor for connecting the USB interface of outside USB flash disk, portable hard drive.
Described spacer assembly comprises electrical isolation plate, signal division board and communication division board, greatly avoids the harmful effect of various factors to induction heating power, diagnostic system, computing machine, has improved the accuracy of native system diagnosis.
Native system can be realized following functions:
1, parameter can directly be carried out input validation by PC the heating power in heat treatment process, heat time, heating frequency, production time etc.12 technique tracing functions of induction heating power, PC can also be stored the technological parameter of half a year, as the problem that the concrete schedule time of heating power, heat time, heating frequency and production (being accurate to certain day some time point) is convenient to occur in production run is reviewed.
2, password protection function can be set on PC, only have professional technologist could change machined parameters, to prevent operation change machined parameters artificial in production run, cause and occur technique substandard product.
3, use Computer Control Technology can monitor and show quenching process and technological parameter by liquid crystal display, follow the tracks of all operations were process, as found, fault or technological parameter depart from set-point, just can automatically revise or automatically list rejected part, make control system break-off and report to the police, in liquid crystal display, showing failure message character and the action that will revise simultaneously.
4, multi-level electrical isolation (isolated from power, signal isolation, communication isolation), greatly avoids the harmful effect to induction heating power, diagnostic system, computing machine.
5, full menu mode is simple to operate, parameter, curve intuitive display, and can normative reference parametric line, greatly reduce the electric theory and practice experience requirement to operator.
6, open connected mode, slave computer (PC) is flexible with being connected of host computer (microprocessor), and host computer also can be set to notebook computer or industrial computer, can realize the connection diagnostic and transmission data in long-range strange land.Can select wire/radio network to connect, diagnostic system measuring error: 0.5%; Power work frequency: maximum 500KHz; Inversion group number :≤6 groups.
The utility model, by real-time diagnosis control, can be enhanced productivity to twice effectively, has reduced largely maintenance, maintenance time, thereby has greatly saved cost of labor and equipment investment cost; This induction heating power diagnostic system has the ability of expert diagnosis, intelligent monitoring, can use by remote guide site examining and repairing, convenient to use.
Claims (8)
1. quenching machine induction heating power fault diagnosis system, it is characterized in that: comprise the spacer assembly being connected with induction heating power, the output terminal of described spacer assembly is connected with slave computer diagnostic device, and described slave computer diagnostic device is connected with host computer diagnostic device;
Described slave computer diagnostic device comprises the signal acquisition module being connected with described spacer assembly, the output terminal of described signal acquisition module is connected with PC, and in described PC, be provided with operation and select module, the output terminal of described PC is connected with slave computer diagnostic display unit, and the output terminal of described PC is connected to described host computer diagnostic device by communication device;
Described host computer diagnostic device comprises microprocessor, and the input end of described microprocessor is connected to described PC by described communication device, and the output terminal of described microprocessor is connected with respectively information display module, host computer diagnostic display unit and memory module.
2. quenching machine induction heating power fault diagnosis system as claimed in claim 1, is characterized in that: described induction heating power comprises rectification circuit, and described rectification circuit two ends are connected with inverter circuit, and described inverter circuit two ends are connected with sensor circuit.
3. quenching machine induction heating power fault diagnosis system as claimed in claim 2, is characterized in that: the information of described signal acquisition module collection comprises voltage and the shape information of electroless state information, half electricity condition information, full electricity condition information and the described inverter circuit of described induction heating power.
4. quenching machine induction heating power fault diagnosis system as claimed in claim 1, is characterized in that: described slave computer diagnostic display unit and described host computer diagnostic display unit are set to respectively liquid crystal display.
5. the quenching machine induction heating power fault diagnosis system as described in claim as arbitrary in claim 1 to 4, is characterized in that: described communication device is set to RS-485 communication interface, RS-232 communication interface or wireless ethernet.
6. quenching machine induction heating power fault diagnosis system as claimed in claim 5, is characterized in that: described information display module comprises for showing that described induction heating power adds the LED numeral display window of thermal information.
7. quenching machine induction heating power fault diagnosis system as claimed in claim 6, is characterized in that: described memory module comprises and is arranged on the internal storage in described microprocessor or is arranged on described microprocessor for connecting the USB interface of outside USB flash disk, portable hard drive.
8. quenching machine induction heating power fault diagnosis system as claimed in claim 7, is characterized in that: described spacer assembly comprises electrical isolation plate, signal division board and communication division board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830665.6U CN203732701U (en) | 2013-12-17 | 2013-12-17 | Quenching machine tool induction heating power supply fault diagnosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830665.6U CN203732701U (en) | 2013-12-17 | 2013-12-17 | Quenching machine tool induction heating power supply fault diagnosis system |
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| Publication Number | Publication Date |
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| CN203732701U true CN203732701U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320830665.6U Expired - Fee Related CN203732701U (en) | 2013-12-17 | 2013-12-17 | Quenching machine tool induction heating power supply fault diagnosis system |
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| CN (1) | CN203732701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698718A (en) * | 2013-12-17 | 2014-04-02 | 十堰高周波科工贸有限公司 | Induction heating power supply fault diagnosis system of quenching machining tool |
| CN107505906A (en) * | 2017-09-29 | 2017-12-22 | 北京星航机电装备有限公司 | A kind of prefabricated assembled concrete structure automatic assembly line fault diagnosis method and system |
-
2013
- 2013-12-17 CN CN201320830665.6U patent/CN203732701U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698718A (en) * | 2013-12-17 | 2014-04-02 | 十堰高周波科工贸有限公司 | Induction heating power supply fault diagnosis system of quenching machining tool |
| CN107505906A (en) * | 2017-09-29 | 2017-12-22 | 北京星航机电装备有限公司 | A kind of prefabricated assembled concrete structure automatic assembly line fault diagnosis method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20151217 |
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| EXPY | Termination of patent right or utility model |