CN204471794U - Three-phase electricity multichannel voltage controller - Google Patents
Three-phase electricity multichannel voltage controller Download PDFInfo
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- CN204471794U CN204471794U CN201420862201.8U CN201420862201U CN204471794U CN 204471794 U CN204471794 U CN 204471794U CN 201420862201 U CN201420862201 U CN 201420862201U CN 204471794 U CN204471794 U CN 204471794U
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Abstract
The utility model relates to voltage controller technical field, refers in particular to a kind of three-phase electricity multichannel voltage controller; The output of three-phase electricity input connects the input of three-phase electricity zero cross detection circuit, and connects input, the input of three-phase electricity output current detection circuit, the input of three-phase electricity output voltage detecting circuit, the input of voltage acquisition MCU circuit of three phase electric power control circuit successively; The input of three phase electric power control circuit connects the output of main control MCU circuit; The input of main control MCU circuit connects the output of three-phase electricity output current detection circuit, the output of three-phase electricity zero cross detection circuit; The output of three-phase electricity output voltage detecting circuit connects heating collar power termination; The input/output terminal of main control MCU circuit connects the input/output terminal of voltage acquisition MCU circuit; 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.
Description
Technical field
The utility model relates to voltage controller technical field, refers in particular to a kind of three-phase electricity multichannel voltage controller being applied to industrial injection machine mould domain of control temperature.
Background technology
Existing voltage controller has following shortcoming.
1, existing voltage controller adopts single channel Control of Voltage, single channel voltage controller uses single-phase electricity to power for control system, although system is simple, but the commercial Application environment of reality, usually need dozens or even hundreds of single channel voltage controller to focus on a temperature control box to realize centralized Control, like this will be very complicated.Due to the restriction of industrial three-phase electricity, the mean allocation access three-phase electricity that needs all single channel voltage controllers to try one's best each mutually in, but each power averaging that accesses mutually that reality is difficult to realize three-phase electricity distributes.For integrated mill, when the temperature control box accessed is too much, three-phase electricity each phase voltage gap can be caused too large.Cause temperature control box volume large, wiring is complicated simultaneously.
2, in circuit design, each single channel voltage controller at least needs a microcontroller (MCU) to carry out voltage acquisition and the Isobarically Control of voltage controller, and therefore can cause the high cost of whole temperature control box, simultaneity factor volume is excessive.
3, existing single channel voltage controller lacks High voltage output portion of electrical current, voltage detecting circuit, cannot detect heating collar power termination open circuit and short circuit fault.
4, existing single channel voltage controller does not possess communication function, control command, each channel voltage information of concentrated collection is not sent by communication interface, realize controls such as electric pressure controller voltage sets, unlatching, closedown, centralized operations, manually must be set by button.
Therefore, based on the defect of above-mentioned existing voltage controller, need to improve existing voltage controller.
Utility model content
The purpose of this utility model is to provide a kind of three-phase electricity multichannel voltage controller for the deficiencies in the prior art, and this three-phase electricity multichannel voltage controller solves existing for existing voltage controller: be difficult to realize three-phase electricity respectively access that power averaging distributes, wiring is complicated, cost is high, volume is large mutually, load condition cannot be detected, cannot the defect such as centralized Control.
For achieving the above object, the utility model is achieved through the following technical solutions:
Three-phase electricity multichannel voltage controller, is characterized in that: an output of three-phase electricity input connects the input of three phase electric power control circuit, and another output of three-phase electricity input connects the input of three-phase electricity zero cross detection circuit;
The output of three phase electric power control circuit connects the input of three-phase electricity output current detection circuit, and an input of three phase electric power control circuit connects an output of main control MCU circuit;
An output of three-phase electricity output current detection circuit connects the input of three-phase electricity output voltage detecting circuit, and another output of three-phase electricity output current detection circuit connects an input of main control MCU circuit;
An output of three-phase electricity output voltage detecting circuit connects heating collar power termination, and another output connects the input of voltage acquisition MCU circuit;
The output of three-phase electricity zero cross detection circuit connects an input of main control MCU circuit;
An input/output terminal of main control MCU circuit connects an input/output terminal of voltage acquisition MCU circuit.
Another input/output terminal of main control MCU circuit connects an input/output terminal of CAN communication circuit, and an input/output terminal of CAN communication circuit connects isolated can signal of communication line.
Three phase electric power control circuit each mutually in be in series with power control device.
Current transformer is connected with in three-phase electricity output current detection circuit.
Voltage transformer is connected with in three-phase electricity output voltage detecting circuit.
In main control MCU circuit, there is analog-digital converter.
Power control device is controllable silicon.
An input/output terminal of voltage acquisition MCU circuit connects digital-scroll technique and the input/output terminal arranging circuit.
Controller also includes complete machine power supply.
In voltage acquisition MCU circuit, there is analog-digital converter.
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 open a way to each phase load heating collar, short-circuit detecting; The voltage of the multiple passage of concentrated collection, error message, have controller address, control panel type, port number setting and Presentation Function, conveniently checks and mistake investigation; The expansion of the integral multiple passage of single voltage controller three can be realized.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
See Fig. 1, the utility model three-phase electricity multichannel voltage 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, voltage acquisition MCU circuit 7, complete machine power supply 8, digital-scroll technique and arrange circuit 9, CAN communication circuit 10.
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 of three-phase electricity input 1 connects the input of three phase electric power control circuit 2, and another output of three-phase electricity input 1 connects the input of three-phase electricity zero cross detection circuit 5.The output of three phase electric power control circuit 2 connects the input of three-phase electricity output current detection circuit 3; An input of three phase electric power control circuit 2 connects an output of main control MCU circuit 6, has analog-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 power output.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 of three-phase electricity output current detection circuit 3 connects the input of three-phase electricity output voltage detecting circuit 4, and another output of three-phase electricity output current detection circuit 3 connects an input 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 is connected with in three-phase electricity output voltage detecting circuit 4, output loading voltage signal is gathered by voltage transformer, again by processing of circuit, the analog-digital converter ADC in main control MCU circuit 6 changes, calculates and carry out heating collar power termination open circuit, short-circuit detecting.
An output of three-phase electricity output voltage detecting circuit 4 connects heating collar power termination, and another output connects the input of voltage acquisition MCU circuit 7.
The output of three-phase electricity zero cross detection circuit 5 connects an input 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 an input/output terminal of voltage acquisition 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 voltage acquisition MCU circuit 7, by judging the deviation between setting voltage and virtual voltage, by internal calculation power output, 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.
Digital-scroll technique with circuit 9 is set for arranging the information such as controller address, control panel type, port number of three-phase electricity multichannel temperature controller when dispatching from the factory, and under running status the information such as display controller address, error code, information displaying is shown by the scan round of double figures code pipe.
An input/output terminal of voltage acquisition MCU circuit 7 connects digital-scroll technique and the input/output terminal arranging circuit 9.Voltage acquisition MCU circuit 7, is changed by analog-digital converter, and calculates actual magnitude of voltage by internal algorithm, and sends to main control MCU circuit 6.
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, voltage acquisition MCU circuit 7, digital-scroll technique and circuit 9 is set, 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.
Feature following points of the present utility model.
(1) single voltage controller can according to the expansion of integral multiple passage of three, as three-phase electricity triple channel voltage controller, three-phase electricity Hexamermis spp voltage controller and three-phase electricity nine channel voltage controller etc.
(2) each phase the connect load of single voltage controller to access three-phase electricity carries out Isobarically Control simultaneously, realizes each phase power averaging of three-phase electricity on each voltage controller and distributes.
(3) open circuit, the function of short circuit detection to heating collar power termination is possessed.
(4) CAN communication function is possessed, for realizing each channel voltage of the equipment such as computer, Centralized Controller centralized Control voltage controller, unlatching, closedown, each channel voltage of concentrated collection voltage controller and error message.
(5) triggering mode is exported: phase-shifting trigger.
(6) global design is saved machine volume, is reduced complete machine cost, balanced complete machine three phase electric power, reduces complete machine assembling human cost.
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 (10)
1. three-phase electricity multichannel voltage controller, is characterized in that: an output of three-phase electricity input connects the input of three phase electric power control circuit, and another output of three-phase electricity input connects the input of three-phase electricity zero cross detection circuit;
The output of three phase electric power control circuit connects the input of three-phase electricity output current detection circuit, and an input of three phase electric power control circuit connects an output of main control MCU circuit;
An output of three-phase electricity output current detection circuit connects the input of three-phase electricity output voltage detecting circuit, and another output of three-phase electricity output current detection circuit connects an input of main control MCU circuit;
An output of three-phase electricity output voltage detecting circuit connects heating collar power termination, and another output connects the input of voltage acquisition MCU circuit;
The output of three-phase electricity zero cross detection circuit connects an input of main control MCU circuit;
An input/output terminal of main control MCU circuit connects an input/output terminal of voltage acquisition MCU circuit.
2. three-phase electricity multichannel voltage controller according to claim 1, it is characterized in that: another input/output terminal of main control MCU circuit connects an input/output terminal of CAN communication circuit, an input/output terminal of CAN communication circuit connects isolated can signal of communication line.
3. three-phase electricity multichannel voltage 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.
4. three-phase electricity multichannel voltage controller according to claim 1, is characterized in that: be connected with current transformer in three-phase electricity output current detection circuit.
5. three-phase electricity multichannel voltage controller according to claim 1, is characterized in that: be connected with voltage transformer in three-phase electricity output voltage detecting circuit.
6. three-phase electricity multichannel voltage controller according to claim 1, is characterized in that: have analog-digital converter in main control MCU circuit.
7. three-phase electricity multichannel voltage controller according to claim 3, is characterized in that: power control device is controllable silicon.
8. three-phase electricity multichannel voltage controller according to claim 1, is characterized in that: an input/output terminal of voltage acquisition MCU circuit connects digital-scroll technique and the input/output terminal arranging circuit.
9. three-phase electricity multichannel voltage controller according to claim 1, is characterized in that: controller also includes complete machine power supply.
10. three-phase electricity multichannel voltage controller according to claim 1, is characterized in that: have analog-digital converter in voltage acquisition MCU circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420862201.8U CN204471794U (en) | 2014-12-31 | 2014-12-31 | Three-phase electricity multichannel voltage controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420862201.8U CN204471794U (en) | 2014-12-31 | 2014-12-31 | Three-phase electricity multichannel voltage controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204471794U true CN204471794U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420862201.8U Active CN204471794U (en) | 2014-12-31 | 2014-12-31 | Three-phase electricity multichannel voltage controller |
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| Country | Link |
|---|---|
| CN (1) | CN204471794U (en) |
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- 2014-12-31 CN CN201420862201.8U patent/CN204471794U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181122 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 |
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| TR01 | Transfer of patent right |