CN204423193U - Three-phase electricity Multi Channel Controller - Google Patents
Three-phase electricity Multi Channel Controller Download PDFInfo
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- CN204423193U CN204423193U CN201420861994.1U CN201420861994U CN204423193U CN 204423193 U CN204423193 U CN 204423193U CN 201420861994 U CN201420861994 U CN 201420861994U CN 204423193 U CN204423193 U CN 204423193U
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Abstract
The utility model discloses a kind of three-phase electricity Multi Channel Controller, and an output terminal of three-phase electricity input connects the input end of three phase electric power control circuit, and another output terminal of three-phase electricity input connects the input end of three-phase electricity zero cross detection circuit; The output terminal of three phase electric power control circuit connects the input end of three-phase electricity output current detection circuit, and an input end of three phase electric power control circuit connects an output terminal of main control MCU circuit; Can diagnose the mistake of heating collar load and thermopair, conveniently carry out the quick position of hard error, thus save man-hour, convenient for maintaining personnel carry out mistake investigation and mistake maintenance fast.
Description
Technical field
The utility model relates to industrial injection machine mould technical field of temperature control, refers in particular to a kind of three-phase electricity Multi Channel Controller.
Background technology
There is following shortcoming in the temperature controller used in existing industrial injection machine mould temperature control system, voltage controller.
(1) common drawback: existing single channel temperature controller, voltage controller lack High voltage output fractional load electric current, load voltage testing circuit, cannot detect open circuit and the short circuit fault of load heating collar.
(2) for temperature controller: existing single channel temperature controller lacks thermopair error detection mechanism, in use cannot detect thermopair reversal connection, thermopair short circuit, thermopair open circuit errors.
Therefore, based on the defect of above-mentioned existing single channel temperature controller, voltage controller, need to improve existing single channel temperature controller, voltage controller.
Utility model content
The purpose of this utility model is to provide a kind of three-phase electricity Multi Channel Controller for the deficiencies in the prior art, solves existing for existing single channel temperature controller, voltage controller: cannot detect open circuit and the short circuit fault of load heating collar, in use cannot detect the defects such as thermopair reversal connection, thermopair short circuit, thermopair open circuit errors.
For achieving the above object, the utility model is achieved through the following technical solutions:
Three-phase electricity Multi Channel Controller, an output terminal of three-phase electricity input connects the input end of three phase electric power control circuit, and another output terminal of three-phase electricity input connects the input end of three-phase electricity zero cross detection circuit;
The output terminal of three phase electric power control circuit connects the input end of three-phase electricity output current detection circuit, and an input end of three phase electric power control circuit connects an output terminal of main control MCU circuit;
An output terminal of three-phase electricity output current detection circuit connects the input end of three-phase electricity output voltage detecting circuit, and another output terminal of three-phase electricity output current detection circuit connects an input end of main control MCU circuit;
An output terminal of three-phase electricity output voltage detecting circuit connects heating collar power termination, and another output terminal connects the input end that temperature/voltage gathers MCU circuit;
The output terminal of three-phase electricity zero cross detection circuit connects an input end of main control MCU circuit;
An input/output terminal of main control MCU circuit connects the input/output terminal that temperature/voltage gathers MCU circuit, and another input/output terminal of main control MCU circuit connects an input/output terminal of CAN communication circuit;
Temperature/voltage gathers the output terminal of an input end connection thermocouple voltages Acquisition Circuit of MCU circuit, and the input end of thermocouple voltages Acquisition Circuit connects thermopair.
The input/output terminal that temperature/voltage gathers MCU circuit also connects digital-scroll technique and the input/output terminal arranging circuit.
Three phase electric power control circuit each mutually in be in series with power control device, power control device is controllable silicon.
Be connected with current transformer in three-phase electricity output current detection circuit, in three-phase electricity output voltage detecting circuit, be connected with voltage transformer (VT).
In main control MCU circuit, there is analog to digital converter.
An input/output terminal of CAN communication circuit connects isolated can signal of communication line.
Temperature/voltage gathers in MCU circuit has analog to digital converter.
Controller also includes complete machine power supply.
The beneficial effects of the utility model are: three-phase electricity is accessed simultaneously a voltage controller, pass through circuit design, realize each respectively access load mutually of three-phase electricity in single voltage controller, by a microcontroller implementation, Isobarically Control is carried out to load that each phase connects simultaneously, realize each phase power averaging of three-phase electricity on each voltage controller and distribute; Can diagnose the mistake of heating collar load and thermopair, conveniently carry out the quick position of hard error, thus save man-hour, convenient for maintaining personnel carry out mistake investigation and mistake maintenance fast.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
See Fig. 1, the utility model three-phase electricity Multi Channel Controller comprises: three-phase electricity input 1, three phase electric power control circuit 2, three-phase electricity output current detection circuit 3, three-phase electricity output voltage detecting circuit 4, three-phase electricity zero cross detection circuit 5, main control MCU circuit 6, temperature/voltage gather MCU circuit 7, complete machine power supply 8, thermocouple voltages Acquisition Circuit 9, CAN communication circuit 10, digital-scroll technique and arrange circuit 11.
The utility model can detect at least three road heating collar load and thermopairs simultaneously.
Power supply input of the present utility model meets three-phase AC100 ~ 220V, 50/60Hz commercial power, and power stage connects heating collar power termination, and CAN communication circuit 10 interface connects isolated can signal of communication line.
An output terminal of three-phase electricity input 1 connects the input end of three phase electric power control circuit 2, and another output terminal of three-phase electricity input 1 connects the input end of three-phase electricity zero cross detection circuit 5.The output terminal of three phase electric power control circuit 2 connects the input end of three-phase electricity output current detection circuit 3; An input end of three phase electric power control circuit 2 connects an output terminal of main control MCU circuit 6, has analog to digital converter in main control MCU circuit 6.
Three phase electric power control circuit 2 each mutually in be in series with power control device, power control device is controllable silicon, by change each mutually in the power control device silicon controlled ON time of series connection change each phase output power.Adopt phase-shifting trigger, by control each mutually in the ON time of each sinusoidal wave half-wave realize each phase adjustable constant voltage and export.
An output terminal of three-phase electricity output current detection circuit 3 connects the input end of three-phase electricity output voltage detecting circuit 4, and another output terminal of three-phase electricity output current detection circuit 3 connects an input end of main control MCU circuit 6.
Current transformer is connected with in three-phase electricity output current detection circuit 3, output load current signal is gathered by current transformer, voltage transformer (VT) is connected with in three-phase electricity output voltage detecting circuit 4, output load voltage signal is gathered by voltage transformer (VT), pass through again and gather MCU circuit 7 by temperature/voltage, analog to digital converter in main control MCU circuit 6 carries out analog to digital conversion, calculating, carries out heating collar power termination open circuit, short-circuit detecting.
An output terminal of three-phase electricity output voltage detecting circuit 4 connects heating collar power termination, and another output terminal connects the input end that temperature/voltage gathers MCU circuit 7.
The output terminal of three-phase electricity zero cross detection circuit 5 connects an input end of main control MCU circuit 6; Three-phase electricity zero cross detection circuit 5 is by detecting the zero crossing of each phase in three-phase electricity, and the power realizing different ON time for three phase electric power control circuit 2 controls to provide time reference starting point.
An input/output terminal of main control MCU circuit 6 connects the input/output terminal that temperature/voltage gathers MCU circuit 7, and another input/output terminal of main control MCU circuit 6 connects an input/output terminal of CAN communication circuit 10.The zero cross signal of main control MCU circuit 6 according to three-phase electricity zero cross detection circuit 5, the magnitude of voltage of temperature/voltage collection MCU circuit 7, by judging the deviation between setting voltage and virtual voltage, by internal calculation output power, again according to the output control algolithm of phase-shifting trigger, control the ON time of the power control device of series connection in three phase electric power control circuit 2, final control power, completes the constant control of voltage.
An input/output terminal of CAN communication circuit 10 connects isolated can signal of communication line; CAN communication circuit 10 receives the control command of the equipment such as computer, Centralized Controller, each channel voltage of centralized control voltage controller, unlatching, closedown, each channel voltage of concentrated collection voltage controller and error message.
The input/output terminal that temperature/voltage gathers MCU circuit 7 connects digital-scroll technique and the input/output terminal arranging circuit 11.Temperature/voltage gathers MCU circuit 7, is changed by analog to digital converter, and calculates actual magnitude of voltage by internal algorithm, and sends to main control MCU circuit 6.By digital-scroll technique with arrange circuit 11 this locality show error code, by inquiry error handbook, carry out error diagnosis fast, and keep in repair.
Complete machine power supply 8 is three phase electric power control circuit 2, three-phase electricity output current detection circuit 3, three-phase electricity output voltage detecting circuit 4, three-phase electricity zero cross detection circuit 5, main control MCU circuit 6, temperature/voltage gather MCU circuit 7, digital-scroll technique and arrange circuit 11, CAN communication circuit 10 provides all size power supply.
Three-phase electricity is accessed a voltage controller by the utility model three-phase electricity multichannel voltage controller simultaneously, pass through circuit design, realize each respectively access load mutually of three-phase electricity in single voltage controller, carry out Isobarically Control by a microcontroller implementation to load that each phase connects, the power averaging realizing three-phase electricity each phase on each voltage controller distributes simultaneously.
By reading the thermocouple voltages value that thermocouple voltages Acquisition Circuit 9 is sampled, and being gathered the co-treatment of MCU circuit 7 and main control MCU circuit 6 by temperature/voltage, carrying out thermopair reversal connection, thermopair short circuit, the detection of thermopair open circuit errors.
The utility model advantage is mainly reflected in several aspect.
(1) three-phase electricity each phase output electric current, voltage detecting circuit is added, for opening a way to each phase load heating collar, short-circuit detecting.
(2) increase thermopair error detection mechanism, in the actual use procedure of temperature controller, detect the mistakes such as thermopair reversal connection, thermopair short circuit, thermopair open circuit in real time.
(4) increase CAN communication function, type of error code is sent to master control board, and carries out showing and reporting to the police on host computer (liquid crystal, computer).Remind operating personnel's shut-down operation, and keep in repair.
(5) error code Presentation Function is increased, convenient by inquiry error handbook, carry out error diagnosis fast, and keep in repair.
(6) save man-hour, convenient for maintaining personnel carry out mistake investigation and mistake maintenance fast.
Certainly, the embodiment of the above, just preferred embodiments of the present utility model, and unrestricted the utility model practical range, therefore all equivalences done according to structure, feature and the principle described in the utility model claim change or modify, and all should be included in the utility model claim.
Claims (8)
1. three-phase electricity Multi Channel Controller, is characterized in that: an output terminal of three-phase electricity input connects the input end of three phase electric power control circuit, and another output terminal of three-phase electricity input connects the input end of three-phase electricity zero cross detection circuit;
The output terminal of three phase electric power control circuit connects the input end of three-phase electricity output current detection circuit, and an input end of three phase electric power control circuit connects an output terminal of main control MCU circuit;
An output terminal of three-phase electricity output current detection circuit connects the input end of three-phase electricity output voltage detecting circuit, and another output terminal of three-phase electricity output current detection circuit connects an input end of main control MCU circuit;
An output terminal of three-phase electricity output voltage detecting circuit connects heating collar power termination, and another output terminal connects the input end that temperature/voltage gathers MCU circuit;
The output terminal of three-phase electricity zero cross detection circuit connects an input end of main control MCU circuit;
An input/output terminal of main control MCU circuit connects the input/output terminal that temperature/voltage gathers MCU circuit, and another input/output terminal of main control MCU circuit connects an input/output terminal of CAN communication circuit;
Temperature/voltage gathers the output terminal of an input end connection thermocouple voltages Acquisition Circuit of MCU circuit, and the input end of thermocouple voltages Acquisition Circuit connects thermopair.
2. three-phase electricity Multi Channel Controller according to claim 1, is characterized in that: the input/output terminal that temperature/voltage gathers MCU circuit also connects digital-scroll technique and the input/output terminal arranging circuit.
3. three-phase electricity Multi Channel Controller according to claim 1, is characterized in that: three phase electric power control circuit each mutually in be in series with power control device, power control device is controllable silicon.
4. three-phase electricity Multi Channel Controller according to claim 1, is characterized in that: be connected with current transformer in three-phase electricity output current detection circuit, is connected with voltage transformer (VT) in three-phase electricity output voltage detecting circuit.
5. three-phase electricity Multi Channel Controller according to claim 1, is characterized in that: have analog to digital converter in main control MCU circuit.
6. three-phase electricity Multi Channel Controller according to claim 1, is characterized in that: an input/output terminal of CAN communication circuit connects isolated can signal of communication line.
7. three-phase electricity Multi Channel Controller according to claim 1, is characterized in that: temperature/voltage gathers in MCU circuit has analog to digital converter.
8. three-phase electricity Multi Channel Controller according to claim 1, is characterized in that: controller also includes complete machine power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420861994.1U CN204423193U (en) | 2014-12-31 | 2014-12-31 | Three-phase electricity Multi Channel Controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420861994.1U CN204423193U (en) | 2014-12-31 | 2014-12-31 | Three-phase electricity Multi Channel Controller |
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| CN204423193U true CN204423193U (en) | 2015-06-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571200A (en) * | 2014-12-31 | 2015-04-29 | 李久伦 | Three-phase electricity multi-channel controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571200A (en) * | 2014-12-31 | 2015-04-29 | 李久伦 | Three-phase electricity multi-channel controller |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20181127 Address after: 510000 No. 21 Jitou Street, Xindun Village, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Czech Easy Automation Equipment Co., Ltd. Address before: 637667 Group 2, Wenjialiang Village, Wenxing Town, Yilong County, Nanchong City, Sichuan Province Patentee before: Li Jiulun |