CN208781044U - Hydraulic support electronic control system signal coupler - Google Patents
Hydraulic support electronic control system signal coupler Download PDFInfo
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- CN208781044U CN208781044U CN201821810470.4U CN201821810470U CN208781044U CN 208781044 U CN208781044 U CN 208781044U CN 201821810470 U CN201821810470 U CN 201821810470U CN 208781044 U CN208781044 U CN 208781044U
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- interface
- intrinsic safety
- direct current
- electric source
- safety electric
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Abstract
The utility model discloses a kind of hydraulic support electronic control system signal couplers, including the first and second intrinsic safety electric source input interface, the first and second intrinsic safety electric source output interface, the first CAN interface, the first Ethernet interface, the second CAN interface, the second Ethernet interface；First intrinsic safety power input interface connect with the first intrinsic safety power output interface, is connect by the first current/voltage detection circuit with single-chip microcontroller, first CAN interface is connect by the first CAN signal transceiver with single-chip microcontroller, and the first Ethernet interface is connect by vehicle-mounted Ethernet isolation circuit with the second Ethernet interface；Second intrinsic safety electric source input interface connect with the second intrinsic safety electric source output interface, is connect by the second current/voltage detection circuit and digital isolation circuit with single-chip microcontroller, and the second CAN interface is connected by the CAN interface of the second CAN signal transceiver and CAN signal isolation circuit and single-chip microcontroller.The utility model advantage is the reliability of raising system.
Description
Technical field
The utility model relates to the transmission of hydraulic support electronic control system signal, more particularly, to hydraulic support electronic control system signal
Coupler.
Background technique
Hydraulic support is widely used in coal working face, and hydraulic support used in a coal working face lacks then tens,
More then up to a hundred, each hydraulic support is equipped with a bracket controller.Currently, the direct current sheet powered to bracket controller
It is low to pacify power, so that each direct current intrinsic safety electric source can only power to 2-4 platform bracket controller.Therefore, entire coal work
The bracket controller in face needs multiple direct current intrinsic safety electric source power supplies.Traditionally, the institute powered by the same direct current intrinsic safety electric source
There is equipment to be known as a power domain.Therefore, the bracket controller of entire coal working face is divided into multiple power domains.Positioned at coal mining
It needs to communicate between the bracket controller in working face different electrical power domain, signal of communication needs to carry out coupling when across different electrical power domain
It closes, it is relatively reliable the purpose is to make to communicate.
Automatically controlled signal is communicated by CAN bus between existing bracket controller, the bracket positioned at different electrical power domain
Signal coupling between controller is 1, CAN signal is isolated by magnetic coupling, to realize the coupling of communication；2, pass through
Analog signal is isolated in linear optical coupling, is then acquired again, to obtain the voltage and current parameter of each power domain.It is above two
Coupled modes do not support the coupling of vehicle-mounted ethernet signal；Meanwhile using linear optical coupling be isolated analog signal, it is at high cost,
Precision is low；And by optical coupling or magnetic coupling isolated can signal, optocoupler can performance degradation with the extension of use time, magnetic
Coupling EMI radiation is big, and power consumption is big.
Summary of the invention
The utility model aim is to provide a kind of hydraulic support electronic control system signal coupler.
To achieve the above object, the utility model takes following technical proposals:
Hydraulic support electronic control system signal coupler described in the utility model, including the input of the first direct current intrinsic safety electric source connect
Mouth, the output of the second direct current intrinsic safety electric source input interface, the first direct current intrinsic safety electric source output interface, the second direct current intrinsic safety electric source connect
Mouth, the first CAN interface, the first Ethernet interface, the second CAN interface, the second Ethernet interface；The first direct current intrinsic safety electric source
Input interface connect with the first direct current intrinsic safety electric source output interface and passes through the first current/voltage detection circuit and monolithic
The ADC interface (Digital to Analog Converter interface) of machine connects, and the first CAN interface passes through the first CAN signal transceiver and institute
The CAN interface connection of single-chip microcontroller is stated, first Ethernet interface passes through vehicle-mounted Ethernet isolation circuit and second ether
Network interface connection；The second direct current intrinsic safety electric source input interface is connect, simultaneously with the second direct current intrinsic safety electric source output interface
Pass through the ADC interface (Digital to Analog Converter of the second current/voltage detection circuit and digital isolation circuit and single-chip microcontroller
Interface) it connects, second CAN interface passes through the second CAN signal transceiver and CAN signal isolation circuit (RF isolation) and monolithic
The CAN interface of machine connects.
The first direct current intrinsic safety electric source input interface, the second direct current intrinsic safety electric source input interface are respectively and for coupler
The DC12V of in-line power turns the connection of 3.3V power module.
The utility model advantage is that coupler supports the vehicle-mounted Ethernet interface of hydraulic bracket controller, analog acquisition to make
It is isolated with number and substitutes analog isolation, improved precision, reduce costs, CAN signal isolation is isolated using RF, improves system
Reliability.
Detailed description of the invention
Fig. 1 is the schematic block circuit diagram of the utility model.
Fig. 2 is the utility model use state schematic block circuit diagram.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention, the present embodiment before being with technical solution of the present invention
It puts and is implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to down
State embodiment.
As shown in Figure 1, hydraulic support electronic control system signal coupler described in the utility model, including the first direct current intrinsic safety
Power input interface 1, the second direct current intrinsic safety electric source input interface 2, the first direct current intrinsic safety electric source output interface 1.1, the second direct current
Intrinsic safety electric source output interface 2.1, the first CAN interface 1.2, the first Ethernet interface 1.3, the second CAN interface 2.2, the second ether
Network interface 2.3.First direct current intrinsic safety electric source input interface 1, the second direct current intrinsic safety electric source input interface 2 are respectively and for coupler
The DC12V of in-line power turns the connection of 3.3V power module, and DC12V turns 3.3V power module and is responsible for each circuit mould inside coupler
Block power supply.
First direct current intrinsic safety electric source input interface 1 connect with the first direct current intrinsic safety electric source output interface 1.1 and by first
The connection of the ADC interface (Digital to Analog Converter interface) of current/voltage detection circuit and single-chip microcontroller, the first CAN interface
1.2 are connected by the CAN interface of the first CAN signal transceiver and single-chip microcontroller, and the first Ethernet interface 1.3 passes through vehicle-mounted Ethernet
Isolation circuit is connect with second Ethernet interface 2.3；Second direct current intrinsic safety electric source input interface 2 and the second direct current intrinsic safety electricity
Source output interface 2.1 connects and by the ADC interface of the second current/voltage detection circuit and digital isolation circuit and single-chip microcontroller
(Digital to Analog Converter interface) connection, the second CAN interface 2.2 by the second CAN signal transceiver and CAN signal every
It is connect from circuit (RF isolation) with the CAN interface of single-chip microcontroller.
Utility model works principle is summarized as follows:
After the direct current 12V intrinsic safety electric source of first direct current intrinsic safety electric source input interface 1 input enters coupler, pass through DC12V
Turn 3.3V power module to use for internal circuit, and through the first direct current intrinsic safety electric source output interface 1.1 into this power domain
Each bracket controller power supply；The direct current that first current/voltage detection circuit inputs the first direct current intrinsic safety electric source input interface 1
After electric current, the voltage signal of 12V intrinsic safety electric source are adjusted to suitable analog signal, the ADC interface for being sent into single-chip microcontroller is sampled.
After the direct current 12V intrinsic safety electric source of second direct current intrinsic safety electric source input interface 2 input enters coupler, pass through DC12V
Turn 3.3V power module to use for internal circuit, and through the second direct current intrinsic safety electric source output interface 2.1 into this power domain
Each bracket controller power supply.
The direct current 12V intrinsic safety electric source that second current/voltage detection circuit inputs the second direct current intrinsic safety electric source input interface 2
Electric current, voltage signal signal sampled, obtained digital quantity signal is connect by the ADC that digital isolation circuit is sent into single-chip microcontroller
Mouthful, take the mode of this number isolation to transmit in such a way that linear optical coupling is first analog signal by isolation compared to existing
Have that precision is higher, the lower advantage of cost to single-chip microcontroller, again by the mode of single-chip microcontroller sampling.
First and second current/voltage detection circuit is sent into the current/voltage sampled signal of single-chip microcontroller, passes through the by single-chip microcontroller
Two CAN interfaces 2.2 send upper control host to.So far coupler completes the distribution of direct current 12V intrinsic safety electric source and to difference
The detection and upload of power domain voltage, electric current.
CAN signal enters coupler by the first CAN interface 1.2, and the one of single-chip microcontroller is accessed after the first CAN signal transceiver
A CAN interface, CAN message are connected to CAN signal isolation circuit by another CAN interface of single-chip microcontroller after single-chip microcontroller is handled
(RF isolation), the CAN signal for completing isolation are connected to adjacent branch via the second CAN signal transceiver, the second CAN interface 2.2
The CAN interface of frame controller so far completes the isolation of CAN signal.CAN signal isolation circuit has used the isolated core of RF mode
Piece has strong antijamming capability, and EMI radiation is small, advantage with long service life.
Vehicle-mounted ethernet signal through 1.3 switch-in coupler of the first Ethernet interface, by vehicle-mounted Ethernet isolation circuit with
The connection of second Ethernet interface 2.3, realizes the ethernet communication between adjacent bracket pressure controller；Vehicle-mounted Ethernet isolation electricity
Routing capacitance and common mode inductance composition.
As shown in Fig. 2, the first direct current intrinsic safety electric source is connected to coupler by explosion-proof electrical source line, power supply carries out coupler
Afterwards, 12V power supply is given first, second bracket of two different power domains by six core explosion-proof mine cables by coupler respectively
Controller, what is drawn in Fig. 2 is two adjacent bracket controllers of two power domains.
Six core explosion-proof mine cables, comprising power supply positive and negative, CANH and CANL and a pair of vehicle-mounted Ethernet differential signal,
First, second bracket controller passes through explosion-proof mine cable respectively and connect each signal with coupler, realizes inside coupler
Vehicle-mounted ethernet signal coupling, CAN signal coupling and voltage/current acquisition, collection result upload to upper control by CAN bus
Host processed carries out power control.
Claims (2)
1. a kind of hydraulic support electronic control system signal coupler, it is characterised in that: including the first direct current intrinsic safety electric source input interface
(1), the second direct current intrinsic safety electric source input interface (2), the first direct current intrinsic safety electric source output interface (1.1), the second direct current intrinsic safety electricity
Source output interface (2.1), the first CAN interface (1.2), the first Ethernet interface (1.3), the second CAN interface (2.2), second with
Too network interface (2.3)；The first direct current intrinsic safety electric source input interface (1) and the first direct current intrinsic safety electric source output interface
(1.1) it connects and is connected by the ADC interface of the first current/voltage detection circuit and single-chip microcontroller, the first CAN interface (1.2) is logical
It crosses the first CAN signal transceiver to connect with the CAN interface of the single-chip microcontroller, first Ethernet interface (1.3) passes through vehicle-mounted
Ethernet isolation circuit is connect with second Ethernet interface (2.3)；The second direct current intrinsic safety electric source input interface (2) with
The second direct current intrinsic safety electric source output interface (2.1) connects and by the second current/voltage detection circuit and number isolation electricity
The connection of the ADC interface of road and single-chip microcontroller, second CAN interface (2.2) by the second CAN signal transceiver and CAN signal every
It is connected from the CAN interface of circuit and single-chip microcontroller.
2. hydraulic support electronic control system signal coupler according to claim 1, it is characterised in that: the first direct current sheet
Pacify power input interface (1), the second direct current intrinsic safety electric source input interface (2) respectively with the DC12V for coupler in-line power
Turn the connection of 3.3V power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821810470.4U CN208781044U (en) | 2018-11-05 | 2018-11-05 | Hydraulic support electronic control system signal coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821810470.4U CN208781044U (en) | 2018-11-05 | 2018-11-05 | Hydraulic support electronic control system signal coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208781044U true CN208781044U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821810470.4U Active CN208781044U (en) | 2018-11-05 | 2018-11-05 | Hydraulic support electronic control system signal coupler |
Country Status (1)
| Country | Link |
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| CN (1) | CN208781044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343412A (en) * | 2018-11-05 | 2019-02-15 | 郑州煤机液压电控有限公司 | Hydraulic support electronic control system signal coupler |
-
2018
- 2018-11-05 CN CN201821810470.4U patent/CN208781044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343412A (en) * | 2018-11-05 | 2019-02-15 | 郑州煤机液压电控有限公司 | Hydraulic support electronic control system signal coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201201 Address after: 450016 No. ninth, 167 Avenue, Zhengzhou Economic Development Zone, Henan, China Patentee after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Patentee after: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: 450016 No. ninth, 167 Avenue, Zhengzhou Economic Development Zone, Henan, China Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220720 Address after: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: No.167, 9th Street, Zhengzhou Economic Development Zone, Henan Province, 450016 Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Patentee before: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.167, 9th Street, Zhengzhou Economic and Technological Development Zone, Henan Province, 450016 Patentee after: Zhengzhou Hengda Intelligent Control Technology Co.,Ltd. Address before: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |