CN208861162U - A kind of six channel intelligent controlling devices - Google Patents
A kind of six channel intelligent controlling devices Download PDFInfo
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- CN208861162U CN208861162U CN201820072053.8U CN201820072053U CN208861162U CN 208861162 U CN208861162 U CN 208861162U CN 201820072053 U CN201820072053 U CN 201820072053U CN 208861162 U CN208861162 U CN 208861162U
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Abstract
The utility model discloses a kind of six channel intelligent controlling devices, including channel controller, there are six channels for the channel controller tool, the firewire of the input terminal access alternating current transmission line of the channel controller, using bus connection, load equipment is directly connect with the zero curve of alternating current transmission line without channel controller, and the zero line of load equipment is connected to the output end of channel controller.The channel controller includes control module, relay module, power module, the control module sets voltage comparator, current comparator with to prevent over-voltage, under-voltage and overcurrent, relay module also sets relay actuation time measuring circuit, and cooperation alternating current zero crossing detection module, voltage detection module, current detection module reduce security risk when channel controller is switched on or switched off the connection of power load and alternating current transmission line.
Description
Technical field
The utility model relates to a kind of channel controllers, more particularly to a kind of control device of six channel controllers.
Background technique
Channel intelligent switch is usually used in some large-scale business offices, large-sized workshop, school, hospital these illuminations, air-conditioning
Etc. the more place of power loads equipment, with realize the power load of, position widely distributed to these dispersion concentrate effectively into
Row control.
Existing channel intelligent switch has there has been no reasonable overvoltage protection, under-voltage protection and overcurrent protection measure
Security risk, once and accident occur, easily bring economic loss, serious person threatens personal safety.
In addition, existing intelligent channel controller is relay or thyristor there are commonly control device, when connecing on-off
When opening the connection of electrical equipment and alternating current, electric arc can be generated, security risk is brought.Existing channel intelligent switch cannot still have
Effect solves to generate security hidden trouble brought by electric arc when on-off, and the control mode of intelligent switch is also more single.
Utility model content
The purpose of this utility model is to provide the Electrical Safety that six channel intelligent controlling devices of one kind solve existing switch
Hidden danger and the single problem of control mode.
To solve the above-mentioned problems, the technical solution of the utility model are as follows: a kind of six channel intelligent controlling devices, including it is logical
Track control unit, for channel controller tool there are six channel, the channel controller includes relay module, control module,
It is characterized in that, each channel of the channel controller control has been correspondingly connected with a load, and the channel controller also wraps
It includes voltage measurement module, current measurement module, alternating current zero crossing detection module, communication and input/output interface module and alternating current-direct current turns
Power supply module is changed, the input terminal of the AC-DC conversion power supply module is external to alternating current transmission line;AC-DC conversion power supply module
Output give relay module, communication and input/output interface module and control module to provide working power respectively;
The control module is provided with voltage comparator and current comparator;
The relay module includes relay and the relay drive circuit to control relay and the actuating of relay
Time measuring circuit;
The communication and input/output interface module include that serial ports turns RS485 module and turn RS485 module with serial ports to connect
WIFI module and I/O input/output module;
The current detection module includes current transformer, and the voltage detection module includes voltage transformer;
The relay module, WIFI module, I/O input/output module are each attached to the respective end of the control module
Mouthful, the input terminal of the alternating current zero crossing detection module accesses alternating current transmission line, and the output end of the alternating current zero crossing detection module connects
Connect the corresponding port of the control module;The corresponding port of the control module is also respectively connected with the voltage measurement module and electricity
The output end of flow measurement module;
The control module samples the alternating current transmission line by the voltage measurement module and the current measurement module
In voltage and current, and detect that the electric current in alternating current transmission line is zero and voltage is zero by alternating current zero crossing detection module
Moment, the relay actuation time measuring circuit to measuring relay close the switch mechanical action and cutting machine movement
Actuation time, the control module also to obtain closure mechanical action and cutting machine movement actuation time, as its
Electric current is that voltage is mentioning for zero moment closing relay switch in zero moment disconnection or alternating current transmission line in the alternating current transmission line
Preceding amount controls the connection between the open or closed alternating current transmission line of the relay module and the load;
The control module also to memory channel controller upper limit voltage value, lower voltage limit value and upper bound current value, is led to
Cross the voltage comparator, the electric current that current comparator measures voltage value that voltage measurement module measures, current measurement module
It is high in the voltage value measured to control the relay module compared with upper limit voltage value, lower voltage limit value and upper bound current value for value
Break in the upper limit voltage value of setting or lower than lower voltage limit value, or when the current value measured is higher than the upper bound current value of setting
Open the connection between the alternating current transmission line and the load.
Preferentially, the control module is single-chip microcontroller or microcontroller.
Preferentially, the control module is STM32 series monolithic.
Preferentially, light-coupled isolation between control module and the relay module is stated.
Preferentially, the AC-DC conversion power supply module includes AC-DC conversion module and sequentially connected first straight with its
Circulate DC Module and the second DC to DC module, and the AC-DC conversion module output provides relay module work electricity
Source;The first DC to DC module output provides the working power of the control module;Second DC to DC module is defeated
The working power of communication and input/output interface module is provided out.
Preferentially, the voltage comparator and current comparator are integrated and connected on the control module.
The utility model has the advantage that
1. being provided with voltage comparator and electric current fiducial value, load equipment overvoltage, under-voltage, overcurrent are effectively prevented
Brought security risk.
2. cooperating alternating current zero crossing detection module by relay actuation time measuring circuit, alternating current wires are further improved
Power load reduces the peace of electric arc bring produced by make and break process in voltage, the accuracy of current zero moment on-off in road
Full hidden danger.
3. controller is configured with RS485 module and WIFI communication module, long-range control and monitoring of tools can be effectively realized.
Detailed description of the invention
Fig. 1 is the channel controller schematic block diagram of the utility model;
Fig. 2 is the connection signal block diagram of the utility model.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is clearly and completely retouched
It states.
Six channel intelligent controlling devices as shown in Figure 1, 2, including channel controller 10, channel controller 10 are provided with six
A channel, each channel are correspondingly connected with a load, totally six load equipments.The input terminal of channel controller accesses alternating current
The firewire of route 1, using bus connection, load equipment without channel controller 10, directly with alternating current transmission line 1 zero
Line connection, the zero line of load equipment are connected to the output end of channel controller 10.
Above-mentioned channel controller 10 includes relay module, control module 30, voltage measurement module 41, current measurement module
42, alternating current zero crossing detection module 60, communication and input/output interface module and AC-DC conversion power supply module, AC-DC conversion supply
Electric module includes AC-DC conversion module 11 and turns straight with its sequentially connected first DC to DC module 12 and the second direct current
Flow module 13, the output of AC-DC conversion module 11 provide relay module working power;The output of first DC to DC module 12
The working power of control module 30 is provided;The output of the second DC to DC module 13 provides communication and input/output interface module
Working power.The AC-DC conversion module 11 is additionally coupled to alternating current transmission line 1.Relay module include relay 21 and to
Control the relay drive circuit 22 and relay actuation time measuring circuit 23 of relay;Communication and input/output interface module
Turn RS485 module 51 including serial ports and turns the WIFI module 52 and I/O input/output module 53 that RS485 module is connect with serial ports;
Relay module, WIFI module 52, I/O input/output module 53 are each attached to the respective end of control module 30
Mouthful, the input terminal of alternating current zero crossing detection module 60 accesses alternating current transmission line, and the output end of alternating current zero crossing detection module 60 connects institute
State the corresponding port of control module 30;The corresponding port of control module 30 is also respectively connected with the voltage measurement module 41 and electric current
The output end of measurement module 42.
Voltage measurement module 41 includes a voltage transformer, and current detection module 42 includes a current transformer, and electric current
Mutual inductor IC model BL6522B, control module 30 are single-chip microcontroller or microcontroller, the specific CPU type for using STM32 series
Number single-chip microcontroller for being STM32F0103VGT6, is sampled described by the voltage measurement module 41 and the current measurement module 42
Voltage and current in alternating current transmission line, and detect that the electric current in alternating current transmission line is zero by alternating current zero crossing detection module 60
At the time of with voltage being zero, the relay actuation time measuring circuit 23 to measuring relay close the switch mechanical action and
The actuation time of cutting machine movement, movement of the control module 30 to obtain closure mechanical action and cutting machine movement
Time, as it, electric current is that zero moment disconnects or voltage is shifting to an earlier date for zero quarter closing relay switch in the alternating current transmission line
Amount, controls the connection between the open or closed alternating current transmission line of the relay module and the load.
Also integrally disposed in the control module 30 to have voltage comparator and current comparator, control module 30 is to store mark
Fixed controller upper limit voltage value, lower voltage limit value and upper bound current value, will be electric by the voltage comparator, current comparator
Current value and upper limit voltage value that pressure measurement module 41 voltage value, the current measurement module 42 that measure measure, lower voltage limit value and
Upper bound current value compares, and controls the relay module and is higher than the upper limit voltage value of setting in the voltage value measured or is lower than lower limit
Voltage value, or the alternating current transmission line and the load are disconnected when the current value measured is higher than the upper bound current value of setting
Between connection.
Single-chip microcontroller or microcontroller specific work process can be found in Publication No. CN105182229A, and entitled " electric power is opened
Close actuation time dynamic measurement and ac zero-crossing point accuracy control method and application " patent of invention, it discloses a kind of electric power
Switch motion time dynamic measurement method;Use the method that can integrate treatment process with modularization.
In addition, light-coupled isolation between control module 30 and the relay module, prevents the interference between electrical equipment, it is described
AC-DC conversion module 11 turns 12V DC using 220V exchange, and the power module of model LD10-20B12, described first is straight
Circulation DC Module 12 turns 3.3V direct current using 12V DC, the power module of model WRB-1203-3WR2, and described second
DC to DC module turns 5V direct current, the power module of model B1205-1WR2, to improve channel control using 12V DC
10 internal module stability of device and reliability.
Turning RS485 module by serial ports directly can be connected to the terminal controls such as computer equipment by patchcord or pass through
WIFI module is wirelessly connected to the terminals such as cell phone application and realizes remotely to the control and monitoring of channel controller 10.
It should be the above content is specific preferred embodiment further detailed description of the utility model be combined, no
It can assert that the specific implementation of the utility model is only limited to these instructions.For the common skill of the utility model technical field
For art personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should
It is considered as belonging to the protection scope of the utility model.
Claims (6)
1. a kind of six channel intelligent controlling devices, including channel controller, there are six channels for the channel controller tool, described logical
Track control unit includes relay module, control module, which is characterized in that each channel of the channel controller control is corresponding
It is connected with a load, the channel controller further includes voltage measurement module, current measurement module, alternating current zero crossing detection mould
Block, communication and input/output interface module and AC-DC conversion power supply module, the input terminal of the AC-DC conversion power supply module
It is external to alternating current transmission line;Relay module, communication and input/output interface are given in the output of AC-DC conversion power supply module respectively
Module and control module provide working power;
The control module is provided with voltage comparator and current comparator;
The relay module includes relay and the relay drive circuit to control relay and relay actuation time
Measuring circuit;
The communication and input/output interface module include that serial ports turns RS485 module and turn RS485 module with serial ports to connect
WIFI module and I/O input/output module;
The relay module, WIFI module, I/O input/output module are each attached to the corresponding port of the control module,
The input terminal of the alternating current zero crossing detection module accesses alternating current transmission line, and the output end of the alternating current zero crossing detection module connects institute
State the corresponding port of control module;The corresponding port of the control module is also respectively connected with the voltage measurement module and electric current is surveyed
Measure the output end of module;
The current detection module includes current transformer, and the voltage detection module includes voltage transformer;
The control module is sampled in the alternating current transmission line by the voltage measurement module and the current measurement module
Voltage and current, and by alternating current zero crossing detection module detect the electric current in alternating current transmission line be zero and voltage be zero when
It carves, the relay actuation time measuring circuit closes the switch the dynamic of mechanical action and cutting machine movement to measuring relay
Make the time, the control module is also to the actuation time for obtaining closure mechanical action and cutting machine movement, as it in institute
Stating electric current in alternating current transmission line is that voltage is shifting to an earlier date for zero moment closing relay switch in zero moment disconnection or alternating current transmission line
Amount, controls the connection between the open or closed alternating current transmission line of the relay module and the load;
The control module also to memory channel controller upper limit voltage value, lower voltage limit value and upper bound current value, passes through institute
State voltage comparator, current value that current comparator measures voltage value that voltage measurement module measures, current measurement module with
Upper limit voltage value, lower voltage limit value and upper bound current value compare, control the relay module the voltage value measured be higher than set
Fixed upper limit voltage value is lower than lower voltage limit value, or disconnects institute when the current value measured is higher than the upper bound current value of setting
State the connection between alternating current transmission line and the load.
2. six channel according to claim 1 intelligent controlling device, which is characterized in that the control module be single-chip microcontroller or
Microcontroller.
3. six channel according to claim 2 intelligent controlling device, which is characterized in that the control module is STM32 system
Column single-chip microcontroller.
4. six channel according to claim 1 intelligent controlling device, which is characterized in that the control module and the relay
Device intermodule light-coupled isolation.
5. six channel according to claim 1 intelligent controlling device, which is characterized in that the AC-DC conversion power supply module
Including AC-DC conversion module and with its sequentially connected first DC to DC module and the second DC to DC module, it is described
The output of AC-DC conversion module provides relay module working power;The first DC to DC module output provides the control
The working power of molding block;The output of second DC to DC module provides the working power of communication and input/output interface module.
6. six channel according to claim 1 intelligent controlling device, which is characterized in that the voltage comparator and electric current ratio
It is integrated and connected on the control module compared with device.
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CN201820072053.8U CN208861162U (en) | 2018-01-17 | 2018-01-17 | A kind of six channel intelligent controlling devices |
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CN201820072053.8U CN208861162U (en) | 2018-01-17 | 2018-01-17 | A kind of six channel intelligent controlling devices |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210305908A1 (en) * | 2020-03-30 | 2021-09-30 | Panasonic Intellectual Property Management Co., Ltd. | Switching device, switching power supply apparatus, and vehicle |
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2018
- 2018-01-17 CN CN201820072053.8U patent/CN208861162U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210305908A1 (en) * | 2020-03-30 | 2021-09-30 | Panasonic Intellectual Property Management Co., Ltd. | Switching device, switching power supply apparatus, and vehicle |
US11799390B2 (en) * | 2020-03-30 | 2023-10-24 | Panasonic Intellectual Property Management Co., Ltd. | Switching device, switching power supply apparatus, and vehicle having zero-crossing point detection time correction |
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