CN209514354U - A kind of clean or secrecy workshop debugging serial ports multifunction instrument - Google Patents
A kind of clean or secrecy workshop debugging serial ports multifunction instrument Download PDFInfo
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- CN209514354U CN209514354U CN201920192087.5U CN201920192087U CN209514354U CN 209514354 U CN209514354 U CN 209514354U CN 201920192087 U CN201920192087 U CN 201920192087U CN 209514354 U CN209514354 U CN 209514354U
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Abstract
The cleaning of the utility model or secrecy workshop, which are debugged, uses serial ports multifunction instrument, including shell, LCD display, operation button, 4 crimping knobs, USB interface and RJ45 network interface, is provided with control circuit in shell；Be characterized in that: control circuit is made of ARM controller, the first and second RS485 communicating circuits, USB communicating circuit, ethernet controller and matrix keyboard circuit, 4 crimping knobs are connected with the terminals of the first, second RS485 communicating circuit respectively, and communication state indicator light, malfunction indicator light, ground connection socket and state selecting switch are additionally provided on shell.The multifunction instrument of the utility model, commissioning staff carries it into after dustless clean room or technical know-how workshop, the connection with field device can be realized by RS485 communication interface or RJ45 network interface, to read the electricity consumption data of field device, and then faulty equipment is found out, realize the malfunction elimination to field device and debugging.
Description
Technical field
The utility model relates to a kind of serial ports multifunction instruments, more specifically, more particularly to a kind of clean or secrecy factory
Room debugging serial ports multifunction instrument.
Background technique
In the debugging process of semiconductor clean room (dust-free workshop as produced liquid crystal display panel), do not require nothing more than into factory
The commissioning staff in room wears dustless work clothes, does not allow also to bring into laptop, in order to avoid clean room is polluted, this
Just make troubles to the debugging efforts at scene.For the manufacturing enterprise of technical know-how, in order to guarantee that data are not leaked,
It is that commissioning staff is not allowed to carry out field adjustable using laptop.The PLC for such as encountering master controller can not read RS485
Instrument on network-bus is tested when doing PLC debugging routine without electric instrument, when lookup fault point needs to spend very long
Between, it not only makes troubles to debugging efforts, but also have an effect on the normal production of enterprise.
Summary of the invention
The utility model in order to overcome the shortcomings of the above technical problems, provides a kind of clean or secrecy workshop debugging string
Mouth multifunction instrument.
The cleaning of the utility model or secrecy workshop debugging serial ports multifunction instrument, including shell and it is set to shell
On LCD display, operation button, carry out RS485 communication 4 crimping knobs, USB interface and RJ45 network interface, shell
In be provided with control circuit；It is characterized by: the control circuit is led to by ARM controller and the first coupled RS485
Interrogate circuit, the 2nd RS485 communicating circuit, USB communicating circuit, ethernet controller and matrix keyboard circuit composition, 4 crimping rotations
Button is connected with the terminals of the first, second RS485 communicating circuit respectively, and RJ45 network interface is through ethernet controller and ARM
Controller communicates, and operation button is set in matrix keyboard circuit, and LCD display is connected with ARM controller；The shell
On be additionally provided with the communication state indicator light being connected with ARM controller, malfunction indicator light, ground connection socket and state selection
Switch.
The cleaning of the utility model or secrecy workshop debugging serial ports multifunction instrument, the ARM control use model
The chip of S3C2440X, the first RS485 communicating circuit and the 2nd RS485 communicating circuit are all made of the core of model MAX485CUA
Piece, the PORT COM of two MAX485CUA chip-sides respectively with TXD0, RXD0, TXD1, RXD2 pin of S3C2440X chip
It is connected, the PORT COM of the other side is connected with 4 crimping knobs respectively；The USB communicating circuit is by S3C2440X chip
DNO and DPO pin series resistance R23 and resistance R24 are formed respectively.
The cleaning of the utility model or secrecy workshop debugging serial ports multifunction instrument, the ethernet controller use type
Number be DM9000 chip, the RJ45 network interface use model HR911103A socket, the TXO- of chip DM9000,
TXO+, RXI-, RXI+ pin are connected with TD+, TD-, RD+, RD- terminals of RJ45 network interface respectively.
The cleaning of the utility model or secrecy workshop debugging serial ports multifunction instrument, the power management and control circuit
Including 3.3V power generation circuit, 1.8V power generation circuit and 1.25V power generation circuit, 3.3V, 1.8V and 1.25V power supply
The chip of model LM1117-33, LM1117-1.8V and MAX8860EUA18 is respectively adopted in generation circuit.
The cleaning of the utility model or secrecy workshop debugging serial ports multifunction instrument, the number of the communication state indicator light
Amount is 2, sends state to data receiving state and data respectively and indicates, the quantity of malfunction indicator light is one,
Communication state indicator light and malfunction indicator light are made of light emitting diode；The keyboard that the matrix keyboard circuit is 5 × 7
Matrix.
The cleaning of the utility model or secrecy workshop debugging serial ports multifunction instrument, including be connected with ARM controller
Failure alarm circuit, failure alarm circuit is made of triode Q1, loudspeaker and resistance R34, triode Q1 and loudspeaker string
Connection is followed by both ends of power, and the base stage of triode Q1 is connected through resistance R34 with the control terminal of ARM controller.
The cleaning of the utility model or secrecy workshop debugging serial ports multifunction instrument, the shell are rectangular shape,
LCD display is set to before shell, and the back side of shell is provided with openable power supply rear cover, 4 crimping knobs and RJ45
Network interface is set on the upper section of shell, and USB interface, state selecting switch and ground connection socket are set to the same of shell
On side.
The beneficial effects of the utility model are: the multifunction instrument of the utility model, by the way that 2 are arranged on the shell of instrument
Road can carry out the crimping knob of RS485 communication, the RJ45 network interface that can carry out ethernet communication, USB interface, state and select to open
It closes, LCD display and operation button, commissioning staff carries it into after dustless clean room or technical know-how workshop, passes through
USB interface can download the data and export test data of various brand instrument, so that multifunction instrument and different manufacturers produce
Field instrument can be communicated, to obtain the electricity consumption data of field device；It is connect by RS485 communication interface or RJ45 network
The connection with field device can be achieved in mouth, to read the electricity consumption data of field device, and then finds out faulty equipment, realization pair
The malfunction elimination of field device and debugging.
Detailed description of the invention
Fig. 1 is the main view of the serial ports multifunction instrument of the utility model；
Fig. 2 is the rearview of the serial ports multifunction instrument of the utility model；
Fig. 3 is the right view of the serial ports multifunction instrument of the utility model；
Fig. 4 is the top view of the serial ports multifunction instrument of the utility model；
Fig. 5 is the schematic diagram of the control circuit of the serial ports multifunction instrument of the utility model；
Fig. 6 is the circuit diagram of ARM controller and its port label in the utility model；
Fig. 7 is the circuit diagram of LCD display interface socket in the utility model；
Fig. 8 is the circuit diagram of two-way RS485 communicating circuit in the utility model；
Fig. 9 is the circuit diagram of USB communicating circuit in the utility model；
Figure 10 is the circuit diagram of ethernet controller in the utility model；
Figure 11 is the circuit diagram of RJ45 network interface in the utility model；
Figure 12 is the circuit diagram of power management and control circuit in the utility model；
Figure 13 is the circuit diagram of failure alarm circuit in the utility model；
Figure 14 is the circuit diagram of status indicator lamp in the utility model；
Figure 15 is the circuit diagram of matrix keyboard circuit in the utility model.
In figure: 1 shell, 2 LCD displays, 3 operation buttons, 4 crimping knobs, 5 communication state indicator lights, 6 malfunctions
Indicator light, 7 power supply rear covers, 8 USB interfaces, 9 state selecting switch, 10 ground connection sockets, 11 RJ45 network interfaces, 12 ARM control
Device processed, 13 the oneth RS485 communicating circuits, 14 the 2nd RS485 communicating circuits, 15 USB communicating circuits, 16 ethernet controllers, 17
Power management and control circuit, 18 batteries, 19 failure alarm circuits, 20 status indicator lamps, 21 matrix keyboard circuits.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
As shown in Figures 1 to 4, main view, the rearview, the right side of the serial ports multifunction instrument of the utility model is set forth
View and top view are made of, shell shell 1, LCD display 2, operation button 3 and the control circuit being set in shell 1
1 serves and fixes and supports, and shell 1 is rectangular shape, and LCD display is set to the top half of 1 front of shell, and operation is pressed
Key 3 is set to the lower half portion of 1 front of shell.4 crimping knobs 4 and a RJ45 are provided on the upper surface of shown shell 1
11,4 crimping knobs 4 of network interface are the terminals of 2 road RS485 communication, and label is respectively A, B, A1 and B1, wherein label
It is RS485 communication interface all the way for the crimping knob 4 of A and B, is another way marked as A1 and B1.In use, by scene
RS485 connection is respectively wound around the lower section of A and B or A1 and B1, then screws crimping knob 4, can be realized multi-functional
The communication of instrument and field device can obtain the data of instrument according to the argument address of instrument in RS485 bus, as voltage,
A phase current, B phase current, C phase current and average current etc..RJ45 network interface 11 passes through Modbus ICP/IP protocol and scene
Equipment connection.
Removable power supply rear cover 7 is provided on behind shell 1, having for shell 1 is provided with USB interface 8, shape on side
State selects switch 9 and ground connection socket 10, and USB interface 8, can be to the serial ports multi-functional instrument of the utility model for connecting serial ports tool
In table download and install hardware driving, to import the field instrument data of each brand, as field instrument communicate baud rate,
The information such as check bit, stop position.Meanwhile after connecting by USB interface 8 with host computer, test data, interference information can be also exported
Deng to analyze debugging system.
Socket 10 is grounded to be grounded for RS485 bus.State selecting switch 9 is that terminal resistance and isolated gate selection switch,
When state selecting switch 9 toggles it to the one end TER, RJ45 network interface 11 is used as terminal resistance, at this time marked as A1 with
The crimping knob 4 of B1 is incoming end.When the one end ISO is arrived in fluctuation, A and B are signal input, and A1 and B1 are isolation signals output.
The upper end of shown 1 front of shell is additionally provided with 2 communication state indicator lights 5 and a malfunction indicator light 6, when
When the serial ports multifunction instrument of the utility model breaks down, malfunction indicator light 6 will do it flashing.Shown 2 communications shape
The label of state indicator light 5 is respectively TX and RX, when the multifunction instrument of the utility model, which is in data, sends state, marked as
The communication state indicator light 5 of TX will do it flashing, the communication state indicator light 5 when being in data receiving state, marked as RX
It will do it flashing.
As shown in figure 5, the schematic diagram of the control circuit of the serial ports multifunction instrument of the utility model is given, by ARM
Controller 12 and the first coupled RS485 communicating circuit 13, the 2nd RS485 communicating circuit 14, USB communicating circuit 15,
Ethernet controller 16, power management and control circuit 17, failure alarm circuit 19, status indicator lamp 20 and matrix keyboard circuit
21 compositions, ARM controller 12 has the function of signal acquisition, data operation and control output, as shown in fig. 6, giving this reality
With novel middle ARM controller and its circuit diagram of port label, the chip of model S3C2440X, LCD are used in the present embodiment
Display screen 2 is connected with ARM controller 12, is shown with will pass through the progress of LCD display 2 information.As shown in fig. 7, giving this
The circuit diagram of LCD display interface socket in utility model, it is seen then that the data port and control port of chip S3C2440X is through connecing
Mouth socket is connected with the data of LCD display 2, control port respectively, to realize the information display control to LCD display 2.
As shown in figure 8, give the circuit diagram of two-way RS485 communicating circuit in the utility model, shown in the first RS485
Communicating circuit 13 and the 2nd RS485 communicating circuit 14 are all made of the chip of model MAX485CUA, two MAX485CUA chips
The PORT COM of side is connected with TXD0, RXD0, TXD1, RXD2 pin of S3C2440X chip respectively, the communication of the other side
Port is connected with 4 crimping knobs 4 respectively, thereby realizes two-way RS485 bus communication.As shown in figure 9, giving this
The circuit diagram of USB communicating circuit in utility model, shown in USB communicating circuit 5 by S3C2440X chip DNO and DPO pin
Series resistance R23 and resistance R24 are formed respectively, and USB interface 8 is type-A interface.
As shown in Figure 10, the circuit diagram of ethernet controller in the utility model is given, model DM9000 is used
Chip give the circuit diagram of RJ45 network interface in the utility model as shown in figure 11, shown in RJ45 network interface 11
Using the socket of model HR911103A, TXO-, TXO+, RXI-, RXI+ pin of chip DM9000 connects with RJ45 network respectively
TD+, TD-, RD+, RD- terminals of mouth are connected, and the multifunction instrument of the utility model can be with scene through RJ45 network interface
The communication of equipment progress Modbus ICP/IP protocol.
As shown in figure 12, the circuit diagram of power management and control circuit in the utility model, shown power management are given
With control circuit 17 include 3.3V power generation circuit, 1.8V power generation circuit and 1.25V power generation circuit, 3.3V,
The core of model LM1117-33, LM1117-1.8V and MAX8860EUA18 is respectively adopted in 1.8V and 1.25V power generation circuit
Piece, in this way, power management and control circuit 17 be by the processing to 18 output voltage of battery, exportable 3.3V, 1.8V and
The DC voltage of 1.25V, to meet the voltage requirements of a chip.
As shown in figure 13, give the circuit diagram of failure alarm circuit in the utility model, shown in failure alarm circuit
It is made of triode Q1, loudspeaker and resistance R34, triode Q1 and loudspeaker in series are followed by both ends of power, triode Q1's
Base stage is connected through resistance R34 with the control terminal of ARM controller.When the multifunction instrument of the utility model breaks down, ARM
Controller 12 can control loudspeaker to make a sound alarm.As shown in figure 14, the electricity of status indicator lamp in the utility model is given
Lu Tu, shown in status indicator lamp 20 include two 2 communication state indicator lights 5 and a malfunction indicator light 6, be
Light emitting diode.As shown in figure 15, give the circuit diagram of matrix keyboard circuit in the utility model, shown in matrix keyboard electricity
The keyboard matrix that road 21 is 5 × 7, operation button 3 are read in a manner of it will pass through scanning on being set in matrix keyboard circuit 21
The state of each operation button.
Claims (7)
1. a kind of clean or secrecy workshop debugging serial ports multifunction instrument, including LCD shell (1) and be set on shell
Display screen (2), operation button (3), 4 crimping knobs (4), USB interface (8) and the RJ45 network interface for carrying out RS485 communication
(11), control circuit is provided in shell；It is characterized by: the control circuit is by ARM controller (12) and coupled
The first RS485 communicating circuit (13), the 2nd RS485 communicating circuit (14), USB communicating circuit (15), ethernet controller
(16) it is formed with matrix keyboard circuit (21), 4 crimping knobs terminals phase with the first, second RS485 communicating circuit respectively
Connection, RJ45 network interface are communicated through ethernet controller and ARM controller, and operation button is set to matrix keyboard circuit
In, LCD display is connected with ARM controller；The communication state being connected with ARM controller is additionally provided on the shell to refer to
Show lamp (5), malfunction indicator light (6), ground connection socket (10) and state selecting switch (9).
2. clean or secrecy workshop debugging serial ports multifunction instrument according to claim 1, it is characterised in that: described
ARM controller (12) uses the chip of model S3C2440X, the first RS485 communicating circuit (13) and the 2nd RS485 communication electricity
Road (14) is all made of the chip of model MAX485CUA, the PORT COM of two MAX485CUA chip-sides respectively with
TXD0, RXD0, TXD1, RXD2 pin of S3C2440X chip are connected, the PORT COM of the other side respectively with 4 crimping knobs
(4) it is connected；The USB communicating circuit (15) distinguishes series resistance R23 and electricity by DNO the and DPO pin of S3C2440X chip
Resistance R24 is formed.
3. clean or secrecy workshop debugging serial ports multifunction instrument according to claim 1 or 2, it is characterised in that: institute
The chip that ethernet controller (16) use model DM9000 is stated, the RJ45 network interface (11) uses model
The socket of HR911103A, TXO-, TXO+, RXI-, RXI+ pin of chip DM9000 respectively with the TD+ of RJ45 network interface,
TD-, RD+, RD- terminals are connected.
4. clean or secrecy workshop debugging serial ports multifunction instrument according to claim 1 or 2, it is characterised in that: packet
Power management and control circuit (17) are included, the power management and control circuit (17) include 3.3V power generation circuit, 1.8V
Model is respectively adopted in power generation circuit and 1.25V power generation circuit, 3.3V, 1.8V and 1.25V power generation circuit
The chip of LM1117-33, LM1117-1.8V and MAX8860EUA18.
5. clean or secrecy workshop debugging serial ports multifunction instrument according to claim 1 or 2, it is characterised in that: institute
The quantity for stating communication state indicator light (5) is 2, sends state to data receiving state and data respectively and indicates, failure
The quantity of status indicator lamp (6) is one, and communication state indicator light and malfunction indicator light are made of light emitting diode；Institute
State the keyboard matrix that matrix keyboard circuit (21) are 5 × 7.
6. clean or secrecy workshop debugging serial ports multifunction instrument according to claim 1 or 2, it is characterised in that: packet
The failure alarm circuit (19) being connected with ARM controller (12) is included, failure alarm circuit is by triode Q1, loudspeaker and resistance
R34 composition, triode Q1 and loudspeaker in series are followed by both ends of power, and the base stage of triode Q1 is through resistance R34 and ARM controller
Control terminal be connected.
7. clean or secrecy workshop debugging serial ports multifunction instrument according to claim 1 or 2, it is characterised in that: institute
Stating shell (1) is rectangular shape, and LCD display (2) is set to before shell, and the back side of shell is provided with openable electricity
Source rear cover (7), 4 crimping knobs (4) and RJ45 network interface (11) are set on the upper section of shell, USB interface (8), shape
State selection switch (9) and ground connection socket (10) are set on the same side of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192087.5U CN209514354U (en) | 2019-02-12 | 2019-02-12 | A kind of clean or secrecy workshop debugging serial ports multifunction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192087.5U CN209514354U (en) | 2019-02-12 | 2019-02-12 | A kind of clean or secrecy workshop debugging serial ports multifunction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209514354U true CN209514354U (en) | 2019-10-18 |
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ID=68204179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920192087.5U Active CN209514354U (en) | 2019-02-12 | 2019-02-12 | A kind of clean or secrecy workshop debugging serial ports multifunction instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209514354U (en) |
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2019
- 2019-02-12 CN CN201920192087.5U patent/CN209514354U/en active Active
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Address after: 201800 Lane No. 1015, Boxue South Road, Malu Town, Jiading District, Shanghai Patentee after: SOTIS cloud intelligent control technology (Shanghai) Co.,Ltd. Address before: 201800 Lane No. 1015, Boxue South Road, Malu Town, Jiading District, Shanghai Patentee before: SOTHIS INDUSTRIAL (SHANGHAI) Co.,Ltd. |