CN209516978U - It is a kind of for underwater redundant direct current motor driver - Google Patents
It is a kind of for underwater redundant direct current motor driver Download PDFInfo
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- CN209516978U CN209516978U CN201822093270.8U CN201822093270U CN209516978U CN 209516978 U CN209516978 U CN 209516978U CN 201822093270 U CN201822093270 U CN 201822093270U CN 209516978 U CN209516978 U CN 209516978U
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- module
- direct current
- load feedback
- isolation
- control signal
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- Control Of Multiple Motors (AREA)
Abstract
The utility model discloses a kind of for underwater redundant direct current motor driver, comprising: load feedback amplification module, for the running current enhanced processing of current direct current generator to be obtained load feedback signal；Two main controller modules, its input terminal is connected to load feedback amplification module, executes the control instruction that CAN bus transmits and generates initial motor control signal and obtain the first and second motor control signal with the progress operation of the load feedback signal of load feedback amplification module；Two isolation modules, circuit connection is in the first and second main controller module, for first and second motor control signal to be isolated；Motor drive module, input terminal are connected to two isolation modules, for according to the first and second control signal control driving direct current generator after isolation.
Description
Technical field
It is the utility model relates to based on underwater small device electric power source, in particular to a kind of for underwater redundancy
DC motor driver.
Background technique
Submersible machine rich choice of products, technology maturation, but the control loop for controlling motor be generally placed at the water surface it
On.And since motor product to be put under water, it is easy to appear failure, direct current generator can not be driven.
Utility model content
The purpose of the utility model is to provide a kind of for underwater redundant direct current motor driver, and the control of motor is returned
Road as it is underwater while joined redundancy control logic.
In order to achieve the goal above, the utility model is achieved through the following technical solutions:
It is a kind of for underwater redundant direct current motor driver, its main feature is that, comprising:
Load feedback amplification module, for the running current enhanced processing of current direct current generator to be obtained load feedback letter
Number；
First main controller module, input terminal are connected to load feedback amplification module, execute what CAN bus transmitted
Control instruction generates initial motor control signal and carries out operation with the load feedback signal of load feedback amplification module and obtains
First motor controls signal；
Second main controller module, input terminal are connected to load feedback amplification module, execute what CAN bus transmitted
Control instruction generates initial motor control signal and carries out operation with the load feedback signal of load feedback amplification module and obtains
Second motor control signal；
First isolation module, circuit connection is in the first and second main controller module, for the first motor control to be isolated
Signal processed；
Second isolation module, circuit connection is in the first and second main controller module, for the second motor control to be isolated
Signal processed；
Motor drive module, input terminal are connected to the first and second isolation module, for according to the first control after isolation
Signal control driving direct current generator processed drives direct current generator according to the second control signal control after isolation.
Further include: Transformer Rectifier module, circuit connection in the first and second main controller module and the first and second isolation module,
For being two class direct currents by the AC conversion of 220V.
First motor control signal after isolation is also issued the second master control molding by first isolation module
Block, when second main control module does not receive first motor control signal and does not receive load feedback letter simultaneously
Number, second main controller module exports the second motor control signal.
The operating parameter of the direct current generator is also returned to host computer by first and second main controller module.
The redundant direct current motor driver is set in waterproof case.
The utility model compared with prior art, has the advantage that
By the control loop of motor as it is underwater while joined redundancy control logic.
Good compatibility: can be with the 12V DC motor of compatible portion.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for underwater redundant direct current motor driver of the utility model.
Specific embodiment
The utility model is done and is further explained by the way that a preferable specific embodiment is described in detail below in conjunction with attached drawing
It states.
As shown in Figure 1, a kind of for underwater redundant direct current motor driver, comprising: load feedback amplification module 1 is used
In the running current enhanced processing of current direct current generator is obtained load feedback signal；First main controller module 2, input terminal
It is connected to load feedback amplification module 1, the control instruction that CAN bus transmits is executed and generates initial motor control signal simultaneously
Operation, which is carried out, with the load feedback signal of load feedback amplification module obtains motor control signal A；Second main controller module 3,
Its input terminal is connected to load feedback amplification module 1, executes the control instruction that CAN bus transmits and generates an initial motor control
Signal processed simultaneously obtains motor control signal B with the progress operation of the load feedback signal of load feedback amplification module 1；First isolation mode
Block 4, circuit connection is in the first main controller module 2 and the second main controller module 3, for the motor control letter to be isolated
Number A；Second isolation module 5, circuit connection is in the first and second main controller module, for the motor control signal to be isolated
A；Motor drive module 6, input terminal are connected to the first and second isolation module, for being believed according to the first control after isolation
Number control driving direct current generator or according to after isolation second control signal control driving direct current generator.
The first and second above-mentioned main controller module, uses device type are as follows: STM32F405；First and second isolation module makes
The control loop of control signal and motor that main controller module generates is subjected to Phototube Coupling with precision photoelectric coupler, is used
Device type are as follows: HCNR200；Load feedback amplification module 1 is led to the current operating current of direct current generator using operational amplifier
Over-sampling resistance or obtained signal carry out Linear Amplifer, use device type are as follows: AD8552；Transformer Rectifier module uses transformation
The full bridge rectifier that device and heavy-duty diode are constituted by the AC conversion of the 220V50Hz of input at DC5V and DC24V,
Use device type are as follows: 10A10；The full-bridge electricity that motor drive module is constituted using large power triode and heavy-duty diode
Drive circuit realizes the driving of direct current generator, uses device type are as follows: 2N3055,10A10.
In a particular embodiment, this is used for underwater redundant direct current motor driver further include: Transformer Rectifier module 7,
Circuit connection is in the first and second main controller module and the first and second isolation module, for being that two classes are straight by the AC conversion of 220V
Galvanic electricity.
Motor control signal A after isolation is also issued second main control module by first isolation module 2
3, when second main control module does not receive motor control signal A and does not receive load feedback signal simultaneously, institute
3 output motor of the second main controller module control signal B stated.
The operating parameter of the direct current generator is also returned to host computer by first and second main controller module.
The redundant direct current motor driver is set in waterproof case 10.
220V AC conversion in application, is used for the power supply of direct current generator, while exporting one by the utility model at DC24V
Road DC5V controls power supply for internal drive.Refer to when main controller module receives the control transmitted from CAN bus
When enabling, main controller module generates modulus control signal, passes through again after the isolation and amplification by controlling signal isolation module
Motor drive module drives direct current generator.After the running current of direct current generator is obtained by sampling resistor, put by load feedback
Big module is returned to main controller module, and load feedback signal will repair after carrying out proportional integral derivative operation in main controller module
The Analog control signal just crossed is passed to subsequent control signal isolation module and motor drive module again, to reach CAN bus
The revolving speed and torque request of the control instruction transmitted.Main controller module returns the operating parameter of motor by CAN bus
While being transmitted to upper equipment, main controller module can also be controlled the operating status of direct current generator, to prevent motor
The functions such as overlond running and earth leakage protective.
Driver default operation uses the first main controller module, and user can also be switched default system by teleinstruction
To in the second main system device module.The case where passing through load feedback, when any one system jam can not normal driving
When motor, automatically switches to another main system device module and controlled, and upper set is sent for the situation by CAN bus
It is standby.
In conclusion the utility model is a kind of for underwater redundant direct current motor driver, by the control loop of motor
As for it is underwater while joined redundancy control logic.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (5)
1. a kind of for underwater redundant direct current motor driver characterized by comprising
Load feedback amplification module, for the running current enhanced processing of current direct current generator to be obtained load feedback signal；
First main controller module, input terminal are connected to load feedback amplification module, execute the control that CAN bus transmits
Instruction, which generates initial motor control signal and carries out operation with the load feedback signal of load feedback amplification module, obtains first
Motor control signal；
Second main controller module, input terminal are connected to load feedback amplification module, execute the control that CAN bus transmits
Instruction, which generates initial motor control signal and carries out operation with the load feedback signal of load feedback amplification module, obtains second
Motor control signal；
First isolation module, circuit connection is in the first and second main controller module, for the first motor control letter to be isolated
Number；
Second isolation module, circuit connection is in the first and second main controller module, for the second motor control letter to be isolated
Number；
Motor drive module, input terminal are connected to the first and second isolation module, for being believed according to the first control after isolation
Number control driving direct current generator or according to after isolation second control signal control driving direct current generator.
2. being used for underwater redundant direct current motor driver as described in claim 1, which is characterized in that further include: transformation is whole
Flow module, circuit connection is in the first and second main controller module and the first and second isolation module, for turning the alternating current of 220V
Turn to two class direct currents.
3. being used for underwater redundant direct current motor driver as described in claim 1, which is characterized in that first isolation
First motor control signal after isolation is also issued second main controller module by module, when second main control
Device module does not receive first motor control signal and does not receive load feedback signal, second master controller simultaneously
Module exports the second motor control signal.
4. being used for underwater redundant direct current motor driver as described in claim 1, which is characterized in that described first and second
The operating parameter of the direct current generator is also returned to host computer by main controller module.
5. being used for underwater redundant direct current motor driver as described in claim 1, which is characterized in that the redundant direct current
Motor driver is set in waterproof case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093270.8U CN209516978U (en) | 2018-12-13 | 2018-12-13 | It is a kind of for underwater redundant direct current motor driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093270.8U CN209516978U (en) | 2018-12-13 | 2018-12-13 | It is a kind of for underwater redundant direct current motor driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516978U true CN209516978U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822093270.8U Active CN209516978U (en) | 2018-12-13 | 2018-12-13 | It is a kind of for underwater redundant direct current motor driver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347368A (en) * | 2018-12-13 | 2019-02-15 | 美钻深海能源科技研发（上海）有限公司 | It is a kind of for underwater redundant direct current motor driver |
-
2018
- 2018-12-13 CN CN201822093270.8U patent/CN209516978U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347368A (en) * | 2018-12-13 | 2019-02-15 | 美钻深海能源科技研发（上海）有限公司 | It is a kind of for underwater redundant direct current motor driver |
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