CN208571963U - Cradle head controllor circuit for nuclear power station - Google Patents
Cradle head controllor circuit for nuclear power station Download PDFInfo
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- CN208571963U CN208571963U CN201821188708.4U CN201821188708U CN208571963U CN 208571963 U CN208571963 U CN 208571963U CN 201821188708 U CN201821188708 U CN 201821188708U CN 208571963 U CN208571963 U CN 208571963U
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- direct current
- circuit
- power supply
- motor drive
- cradle head
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Abstract
A kind of cradle head controllor circuit for nuclear power station, the cradle head controllor circuit is used to control the direct current generator of driving holder, to control the rotation of holder, the cradle head controllor circuit includes direct current motor drive circuit and cpu control circuit, cpu control circuit is made of CPU and its peripheral circuit, for issuing the control signal of the direct current generator of driving holder to direct current motor drive circuit, cradle head controllor circuit includes several groups power supply, which includes: cpu control circuit power supply, for being individually for cpu control circuit power supply, direct current motor drive circuit power supply, for being individually for direct current motor drive circuit power supply, the ground connection of cpu control circuit power supply and the ground connection of direct current motor drive circuit power supply are mutually not attached to, the ground connection of direct current motor drive circuit power supply is connected with the ground connection of direct current generator.
Description
Technical field
The utility model belongs to nuclear power plant equipment technical field, in particular to a kind of cradle head controllor electricity for nuclear power station
Road.
Background technique
Patent document CN201885076U discloses a kind of reactor reloading pattern pond underwater illuminating device, including is placed in underwater
The lamp cap with light source, further include fixing with the holder that is mounted on the lamp cap under water, position and connecting with the holder
Connect with drive it to horizontally rotate the first direct current generator, to be mounted on drive the lamp cap vertically to rotate on the holder second straight
Galvanic electricity machine, positioned at the control device of control waterborne first, second direct current generator work, the control device and described the
One, the second direct current generator passes through cable connection.Due to particular job environment and historical experience of nuclear power station, used in nuclear power station
Various equipment all sanctified by usagely as far as possible use direct current generator.
However, many civilian equipment, such as can control the holder of video camera rotation and lamp cap rotation, it is all to use to hand over
It flows motor-driven.If these equipment used in nuclear power plant environment, it is necessary to be transformed to these equipment, i.e., with straight
Galvanic electricity machine replaces alternating current generator.
Direct current generator at runtime, generates electric spark between brush and commutator, thus caused strong electromagnetic interference
The normal work of circuit for controlling motor CPU will be influenced by circuits such as motor-drive circuit and power supplys.
Utility model content
It is interfered the purpose of the utility model is to provide the discharge direct current generator that one kind can use in nuclear power plant environment
Cradle head controllor circuit.
The embodiments of the present invention first is that, a kind of cradle head controllor circuit for nuclear power station, the cradle head controllor
Circuit is used to control the direct current generator of driving holder, to control the rotation of holder, the cradle head controllor circuit includes direct current
Motor-drive circuit and cpu control circuit.Cpu control circuit is made of CPU and its peripheral circuit, for driving to direct current generator
Circuit issues the control signal of the direct current generator of driving holder.Cradle head controllor circuit includes several groups power supply, wherein wrapping
It has included:
Cpu control circuit power supply, for being individually for cpu control circuit power supply,
Direct current motor drive circuit power supply, for being individually for direct current motor drive circuit power supply,
The ground connection of cpu control circuit power supply and the ground connection of direct current motor drive circuit power supply are mutually not attached to, and direct current generator drives
The ground connection of dynamic circuit power is connected with the ground connection of direct current generator.
Photoelectrical coupler is connected between direct current motor drive circuit and cpu control circuit, cpu control circuit passes through photoelectricity
Coupler sends control signals to direct current motor drive circuit.
Generated electromagnetic interference when the utility model is for isolated DC motor operation, is given with 2 groups of power supplys respectively first
Driving motor circuit and cpu control circuit power supply, enter cpu control circuit to break off EMI of motor by power-supply system.
It can be entered by the common ground of driving motor circuit and cpu control circuit since this method not can solve EMI of motor
Cpu control circuit thoroughly will so cpu control circuit control signal is transferred to driving motor circuit by photoelectrical coupler
The ground wire of cpu control circuit and driving motor circuit is divided into 2 independent earth systems, to thoroughly solve EMI of motor
Interference of the signal to cpu control circuit.
Detailed description of the invention
The following detailed description is read with reference to the accompanying drawings, the utility model illustrative embodiments above-mentioned and other
Objects, features and advantages will become prone to understand.In the accompanying drawings, it is practical new that this is shown by way of example rather than limitation
Several embodiments of type, in which:
Holder controller circuitry circuit diagram in Fig. 1 the utility model embodiment.
Specific embodiment
According to one or more embodiment, as shown in Figure 1, a kind of cradle head controllor circuit for nuclear power station, the cloud
Platform controller circuitry is used to control the direct current generator of driving holder, so that the rotation of holder is controlled, the cradle head controllor circuit
Including direct current motor drive circuit and cpu control circuit.Cpu control circuit is made of CPU and its peripheral circuit, is used for direct current
Motor-drive circuit issues the control signal of the direct current generator of driving holder.
The cradle head controllor circuit includes several groups power supply, which includes:
Cpu control circuit power supply, for being individually for cpu control circuit power supply,
Direct current motor drive circuit power supply, for being individually for direct current motor drive circuit power supply,
The ground connection of cpu control circuit power supply and the ground connection of direct current motor drive circuit power supply are mutually not attached to, and direct current generator drives
The ground connection of dynamic circuit power is connected with the ground connection of direct current generator.
According to one or more embodiment, as shown in Figure 1, in the cradle head controllor circuit of nuclear power station, direct current
Photoelectrical coupler is connected between drive circuit and cpu control circuit, cpu control circuit is believed control by photoelectrical coupler
Number it is sent to direct current motor drive circuit.
According to one or more embodiment, as shown in Figure 1, direct current motor drive circuit power supply is divided into 2 groups, first group again
It is ± 5 volts for voltage value, second group of voltage value is ± 28 volts, and first group of power supply is that the output end of photoelectrical coupler is powered, the
Two groups of power supplys are the driving amplifier power supply for including in direct current motor drive circuit, this two groups of power supplys are altogether.Cpu control circuit electricity
The voltage value in source is 3.3 volts.The model of photoelectrical coupler uses EL817.
It is worth noting that being created although foregoing teachings describe the utility model by reference to several specific embodiments
Spirit and principle, it should be appreciated that, it is not limited to the specific embodiments disclosed for the utility model, draws to various aspects
Divide and does not also mean that the feature in these aspects cannot combine, it is this to divide the convenience merely to statement.The utility model purport
Covering various modifications and equivalent arrangements included in spirit and scope of the appended claims.
Claims (5)
1. a kind of cradle head controllor circuit for nuclear power station, which is used to control the direct current of driving holder
Machine, to control the rotation of holder, which is characterized in that the cradle head controllor circuit includes direct current motor drive circuit and CPU
Control circuit,
Cpu control circuit is made of CPU and its peripheral circuit, for issuing the direct current of driving holder to direct current motor drive circuit
The control signal of motor,
The cradle head controllor circuit includes several groups power supply, which includes:
Cpu control circuit power supply, for being individually for cpu control circuit power supply,
Direct current motor drive circuit power supply, for being individually for direct current motor drive circuit power supply,
The ground connection of cpu control circuit power supply and the ground connection of direct current motor drive circuit power supply are mutually not attached to, direct current generator driving electricity
The ground connection of road power supply is connected with the ground connection of direct current generator.
2. the cradle head controllor circuit according to claim 1 for nuclear power station, which is characterized in that direct current generator driving electricity
Photoelectrical coupler is connected between road and cpu control circuit, cpu control circuit is sent control signals to by photoelectrical coupler
Direct current motor drive circuit.
3. the cradle head controllor circuit according to claim 2 for nuclear power station, which is characterized in that direct current generator driving electricity
Road power supply is divided into 2 groups again, and first group is that voltage value is ± 5 volts, and second group of voltage value is ± 28 volts, and first group of power supply is photoelectricity
The output end of coupler is powered, and second group of power supply is that the driving amplifier for including is powered in direct current motor drive circuit, and this two groups
Power supply is altogether.
4. the cradle head controllor circuit according to claim 3 for nuclear power station, which is characterized in that cpu control circuit electricity
The voltage value in source is 3.3 volts.
5. the cradle head controllor circuit according to claim 1 for nuclear power station, which is characterized in that the type of photoelectrical coupler
Number use EL817.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821188708.4U CN208571963U (en) | 2018-07-26 | 2018-07-26 | Cradle head controllor circuit for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821188708.4U CN208571963U (en) | 2018-07-26 | 2018-07-26 | Cradle head controllor circuit for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208571963U true CN208571963U (en) | 2019-03-01 |
Family
ID=65448044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821188708.4U Active CN208571963U (en) | 2018-07-26 | 2018-07-26 | Cradle head controllor circuit for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208571963U (en) |
-
2018
- 2018-07-26 CN CN201821188708.4U patent/CN208571963U/en active Active
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