CN210136434U - Digital intelligent three-phase power regulator - Google Patents
Digital intelligent three-phase power regulator Download PDFInfo
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- CN210136434U CN210136434U CN201921421774.6U CN201921421774U CN210136434U CN 210136434 U CN210136434 U CN 210136434U CN 201921421774 U CN201921421774 U CN 201921421774U CN 210136434 U CN210136434 U CN 210136434U
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Abstract
The utility model discloses a digital intelligent three-phase power adjuster, which comprises a central controller, wherein the central controller is electrically connected with a thyristor driving unit correspondingly, the thyristor driving unit is electrically connected with a thyristor correspondingly, the thyristor is electrically connected with a load correspondingly, a temperature monitoring circuit is correspondingly arranged at the load, and the temperature monitoring circuit is electrically connected with the central controller correspondingly; the thyristor driving unit is correspondingly and electrically connected with the circuit protection unit, and the circuit protection unit is also correspondingly and electrically connected with the central controller; the central controller is also electrically connected with an industrial computer correspondingly, the industrial computer is electrically connected with a load address identification module correspondingly, and the load address identification module is connected with the address module of each load device correspondingly. The industrial computer of the digital intelligent three-phase power regulator can control a plurality of loads according to addresses, and the intelligent degree of the digital intelligent three-phase power regulator is higher.
Description
Technical Field
The utility model belongs to the technical field of output power adjustment equipment and specifically relates to a digital intelligent three-phase power adjuster.
Background
The power regulator is an indispensable control component in industrial electric heating systems, especially as an important component for controlling load power variations in industrial automation systems. The pure-resistance industrial load can be adjusted through phase shift triggering and zero-crossing triggering, so that the aim of controlling the temperature is fulfilled. The power regulators may be classified into three-phase power regulators and single-phase power regulators according to the type of power source, and may be classified into analog power regulators and digital power regulators according to the display mode. The power regulator is a precision instrument, has a large number of electrical components inside, and is not sufficient in digitization and intellectualization, so that a digitized intelligent three-phase power regulator needs to be designed.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a digital intelligent three-phase power adjuster.
The utility model discloses a following scheme realizes:
a digital intelligent three-phase power regulator comprises a central controller, wherein the central controller is correspondingly and electrically connected with a thyristor driving unit, the thyristor driving unit is correspondingly and electrically connected with a thyristor, the thyristor is correspondingly and electrically connected with a load, a temperature monitoring circuit is correspondingly arranged at the load, and the temperature monitoring circuit is correspondingly and electrically connected with the central controller;
the thyristor driving unit is correspondingly and electrically connected with the circuit protection unit, and the circuit protection unit is also correspondingly and electrically connected with the central controller;
the central controller is also electrically connected with an industrial computer correspondingly, the industrial computer is electrically connected with a load address identification module correspondingly, and the load address identification module is connected with the address module of each load device correspondingly.
The central controller comprises a singlechip.
The temperature monitoring circuit comprises an upper computer temperature monitoring circuit and a lower computer temperature monitoring circuit, the upper computer temperature monitoring circuit comprises a temperature probe arranged on a load, and the temperature probe transmits the monitored temperature to the central controller through an upper computer and a serial interface; the lower computer temperature monitoring circuit comprises a temperature monitoring instrument, a signal amplifying circuit and a digital-to-analog conversion circuit, wherein the temperature monitoring instrument monitors the temperature of a load and converts the temperature into a current signal to be sent to the signal amplifying circuit, the current signal is sent to the digital-to-analog conversion circuit after being amplified by the signal amplifying circuit, and the current signal is sent to the central controller after being subjected to digital-to-analog conversion by the digital-to-analog conversion circuit.
The central controller is also electrically connected with the zero-crossing detection circuit correspondingly.
The circuit protection unit comprises a current detector which is correspondingly and electrically connected with the load, the current detector is correspondingly and electrically connected with the filtering and amplifying circuit, and the filtering and amplifying circuit is correspondingly and electrically connected with the central controller.
The utility model has the advantages that:
the industrial computer of the digital intelligent three-phase power regulator can control a plurality of loads according to addresses, and the intelligent degree of the digital intelligent three-phase power regulator is higher.
Drawings
Fig. 1 is a block diagram of the digital intelligent three-phase power regulator of the present invention.
Detailed Description
The preferred embodiments of the present invention will be further described with reference to the accompanying drawings in which:
a digital intelligent three-phase power regulator comprises a central controller, wherein the central controller comprises a single chip microcomputer. The central controller is correspondingly and electrically connected with the thyristor driving unit, the thyristor driving unit is correspondingly and electrically connected with the thyristor, the thyristor is correspondingly and electrically connected with the load, the load is correspondingly provided with a temperature monitoring circuit, and the temperature monitoring circuit is correspondingly and electrically connected with the central controller; the central controller is also electrically connected with an industrial computer correspondingly, the industrial computer is electrically connected with a load address identification module correspondingly, and the load address identification module is connected with the address module of each load device correspondingly.
The load of this application is by thyristor control voltage and power, and central controller can receive the temperature current signal of temperature monitoring circuit, judges the temperature of load according to temperature current signal, then control thyristor drive unit and take corresponding measure, and the relation of connection, the working process of thyristor drive unit and thyristor are known technology, and it is no longer repeated here. Meanwhile, the central controller can also receive signals from the industrial computer, an address module is arranged on each load device, each load device is coded by the address module to generate unique address information and send the unique address information to the load address identification module, the load address identification module analyzes the address information and sends the result to the industrial computer, the industrial computer can identify each load device, and when the voltage and the power of the specific load device need to be regulated, the industrial computer can send commands to the single chip microcomputer of the specific load device, so that remote control is achieved. In practical application, one central controller can control a plurality of loads of one parcel or one central controller can control one load according to the model and the capability of the central controller and the characteristics of the loads, setting can be realized in all the central controllers, emergency treatment can be carried out under the condition that an industrial computer is not received, and potential safety hazards caused by emergency conditions such as communication interruption and the like are avoided. This application adopts industrial computer to control a plurality of loads, avoids a large amount of loads in the twinkling of an eye to launch simultaneously or close the impact that causes the electric wire netting, has also improved the efficiency of pipeline.
The temperature monitoring circuit comprises an upper computer temperature monitoring circuit and a lower computer temperature monitoring circuit, the upper computer temperature monitoring circuit comprises a temperature probe arranged on a load, and the temperature probe transmits the monitored temperature to the central controller through an upper computer and a serial interface; the lower computer temperature monitoring circuit comprises a temperature monitoring instrument, a signal amplifying circuit and a digital-to-analog conversion circuit, wherein the temperature monitoring instrument monitors the temperature of a load and converts the temperature into a current signal to be sent to the signal amplifying circuit, the current signal is sent to the digital-to-analog conversion circuit after being amplified by the signal amplifying circuit, and the current signal is sent to the central controller after being subjected to digital-to-analog conversion by the digital-to-analog conversion circuit.
The central controller is also electrically connected with the zero-crossing detection circuit correspondingly. The purpose of zero-crossing detection is to determine whether the current cycle is active output or reactive output by executing a power output uniform distribution algorithm at the time of a certain phase zero-crossing point of the three-phase alternating current. The specific circuit structure, working process and principle of the zero-crossing detection circuit in the application are known technologies, and are not described herein again.
The thyristor driving unit is correspondingly and electrically connected with the circuit protection unit, and the circuit protection unit is also correspondingly and electrically connected with the central controller; the circuit protection unit comprises a current detector which is correspondingly and electrically connected with the load, the current detector is correspondingly and electrically connected with the filtering and amplifying circuit, and the filtering and amplifying circuit is correspondingly and electrically connected with the central controller. When the current detector detects that the load is overloaded or short-circuited, the related signal is transmitted to the central controller, the central controller sends a command to the thyristor driving unit to close the thyristor, and the equipment is prevented from being damaged; meanwhile, the central controller can also send alarm information to the industrial computer. In addition, the soft start function of the load is built in the thyristor driving unit, so that the current of the load is slowly increased when the load is started, and the service life of the load is prolonged.
Although the invention has been shown and described in detail with respect to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A digital intelligent three-phase power regulator is characterized in that: the regulator comprises a central controller, wherein the central controller is correspondingly and electrically connected with a thyristor driving unit, the thyristor driving unit is correspondingly and electrically connected with a thyristor, the thyristor is correspondingly and electrically connected with a load, a temperature monitoring circuit is correspondingly arranged at the load, and the temperature monitoring circuit is correspondingly and electrically connected with the central controller;
the thyristor driving unit is correspondingly and electrically connected with the circuit protection unit, and the circuit protection unit is also correspondingly and electrically connected with the central controller;
the central controller is also electrically connected with an industrial computer correspondingly, the industrial computer is electrically connected with a load address identification module correspondingly, and the load address identification module is connected with the address module of each load device correspondingly.
2. The digital intelligent three-phase power regulator of claim 1, wherein: the central controller comprises a singlechip.
3. The digital intelligent three-phase power regulator of claim 1, wherein: the temperature monitoring circuit comprises an upper computer temperature monitoring circuit and a lower computer temperature monitoring circuit, the upper computer temperature monitoring circuit comprises a temperature probe arranged on a load, and the temperature probe transmits the monitored temperature to the central controller through an upper computer and a serial interface; the lower computer temperature monitoring circuit comprises a temperature monitoring instrument, a signal amplifying circuit and a digital-to-analog conversion circuit, wherein the temperature monitoring instrument monitors the temperature of a load and converts the temperature into a current signal to be sent to the signal amplifying circuit, the current signal is sent to the digital-to-analog conversion circuit after being amplified by the signal amplifying circuit, and the current signal is sent to the central controller after being subjected to digital-to-analog conversion by the digital-to-analog conversion circuit.
4. The digital intelligent three-phase power regulator of claim 1, wherein: the central controller is also electrically connected with the zero-crossing detection circuit correspondingly.
5. The digital intelligent three-phase power regulator of claim 1, wherein: the circuit protection unit comprises a current detector which is correspondingly and electrically connected with the load, the current detector is correspondingly and electrically connected with the filtering and amplifying circuit, and the filtering and amplifying circuit is correspondingly and electrically connected with the central controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421774.6U CN210136434U (en) | 2019-08-29 | 2019-08-29 | Digital intelligent three-phase power regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421774.6U CN210136434U (en) | 2019-08-29 | 2019-08-29 | Digital intelligent three-phase power regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210136434U true CN210136434U (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921421774.6U Active CN210136434U (en) | 2019-08-29 | 2019-08-29 | Digital intelligent three-phase power regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210136434U (en) |
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2019
- 2019-08-29 CN CN201921421774.6U patent/CN210136434U/en active Active
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