CN205692021U - A kind of On-off signal type guard grating or isolator base plate - Google Patents
A kind of On-off signal type guard grating or isolator base plate Download PDFInfo
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- CN205692021U CN205692021U CN201620487280.8U CN201620487280U CN205692021U CN 205692021 U CN205692021 U CN 205692021U CN 201620487280 U CN201620487280 U CN 201620487280U CN 205692021 U CN205692021 U CN 205692021U
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Abstract
This utility model relates to a kind of interface arrangement, particularly to a kind of On-off signal type guard grating or isolator base plate, including printed circuit board (PCB) mainboard and the printed circuit board (PCB) subplate of installation corresponding with printed circuit board (PCB) mainboard, binding post, resistance, varistor, relay, diode, D SUB37 socket are installed on printed circuit board (PCB) mainboard, printed circuit board (PCB) mainboard middle and lower part is provided with passage, is provided with the Cornu Bovis seu Bubali male seat seat of honour at printed circuit board (PCB) mainboard right-hand member；Printed circuit board (PCB) subplate left end is provided with Cornu Bovis seu Bubali male seat counter-base, is provided with passage on the right of Cornu Bovis seu Bubali male seat counter-base；Being equipped with JST socket on each passage of printed circuit board (PCB) mainboard and printed circuit board (PCB) subplate, the upper and lower two ends of each passage are equipped with buckle.This utility model simple in construction, guard grating or isolator carry out signal with DCS input and are connected no longer individually distribution, by the direct grafting of base, reduce artificial wiring error rate, simplify power supply wiring.
Description
Technical field
This utility model relates to a kind of interface arrangement, particularly at the bottom of a kind of On-off signal type guard grating or isolator
Plate.
Background technology
In order to prevent various interference and high voltage from scurrying into PLC(programmable logic controller (PLC), Programmable Logic
The abbreviation of Controller) internal and affect the reliability of PLC work, it is necessary to take electrical isolation and interference protection measure.In work
Industry is on-the-spot, consideration for various reasons, it is therefore possible to use direct current supply, it is also possible to using Alternating Current Power Supply, PLC to provide corresponding
Direct current input, exchange input interface.According to theory and practice analysis, most effective, the most economical method solving interference is to use
Input signal is carried out conversion input by guard grating or isolator, accomplishes that input, output and working power three are mutually isolated.Cause
This, the On-off signal signal of field apparatus enters DCS(Distributed Control System, Distributed Control System's
Be called for short) in isolate.At present On-off signal guard grating and the commonly used box structure of isolator, guide rails assembling
With terminal connections mode.Existing frame mode there is problems in that 1, assembly process is many, and process is comparatively laborious, to workman's skill
Art requires higher, long in time limit and misconnection misconnection easily occur；2, the DCS coordinating particular series needs in the face of wiring when using
The differentiation of mode processes, and needs grasp skilled to system hardware when detail design, higher to the competency profiling of designer；
3, easily there is loose contact problem in substantial amounts of distribution and crimping point, hide some dangers for for system debug and steady in a long-term operation；4, every
Block isolator is required for distribution, power distribution equipment to be increased, it is achieved power supply redundancy difficulty is bigger；5, the terminal general strength of isolator
Relatively low, fault rate is higher；Must take out stitches when 6, the isolator maintenance broken down being changed, extend the downtime；7, single
Body is installed and is taken up room relatively greatly, is unfavorable for the system integration；8, operation expense is high；9, overall appearance is unsightly.
Summary of the invention
Problem to be solved in the utility model is the deficiency overcoming background technology, solves DCS and guard grating or isolator
Connectivity problem, at the bottom of a kind of On-off signal type guard grating designed by research switch value input interface feature or isolator
Plate.
This utility model is to be achieved through the following technical solutions: at the bottom of a kind of On-off signal type guard grating or isolator
Plate, including printed circuit board (PCB) mainboard and the printed circuit board (PCB) subplate of installation corresponding with printed circuit board (PCB) mainboard, described printed circuit
The plate mainboard upper left corner is provided with binding post, is separately installed with resistance and varistor, on the right of binding post below binding post
Relay is installed, diode is installed below relay；Be positioned at printed circuit board (PCB) mainboard middle and upper part be provided with D-SUB37 insert
Seat, printed circuit board (PCB) mainboard middle and lower part is provided with passage, is provided with the Cornu Bovis seu Bubali male seat seat of honour at printed circuit board (PCB) mainboard right-hand member；Described print
Printed circuit board subplate left end is provided with Cornu Bovis seu Bubali male seat counter-base, is provided with passage on the right of Cornu Bovis seu Bubali male seat counter-base；Printed circuit board (PCB) mainboard and
Being equipped with JST socket on each passage of printed circuit board (PCB) subplate, the upper and lower two ends of each passage are equipped with buckle.
Further, described binding post, relay, resistance, varistor and diode collectively constitute printed circuit board (PCB)
The power pack installed on mainboard；Described power pack also includes LED light and square slow disconnected insurance.
Further, described power pack uses redundancy dual power supply In-put design, configures power supply power-fail alarm output circuit.
Preferably, described printed circuit board (PCB) mainboard channel number is 16, and printed circuit board (PCB) subplate channel number is 16.
Further, described D-SUB37 jack interface defines and presses table 1:
Table 1: On-off signal signal D-SUB37 jack interface line sequence table
Wherein, in table 1, the 20-35 pin stitch of D-SUB37 jack interface is followed successively by the signal anode of 1-16 passage,
1-16 pin stitch is followed successively by the signal anode of 17-32 passage, and the 18th pin stitch is public negative terminal.
The beneficial effects of the utility model are:
One, simple in construction reducing takes up room.
Two, guard grating or isolator carry out signal and are connected no longer individually distribution with DCS, and use special integrated base direct
Grafting.
Three, change guard grating or isolator need not take out stitches again, can directly plug, reduce artificial wiring error rate, improve
Overhaul efficiency and reduce the downtime.
Four, guard grating or isolator use public power supply, it is not necessary to power supply is separately configured one by one, simplifies power supply wiring,
And achieve power supply redundancy, the instruction of single field power supply and power down to report to the police.
Five, improve the wiring efficiency reduction of erection time, simplify distribution detail design, be suitable for the large scale system signal that switch board is more
Transmission, the connection of simplification dish top-stitching.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the circuit theory diagrams of power pack.
In figure, 1 printed circuit board (PCB) mainboard, 2 printed circuit board (PCB) subplates, 3 binding posts, 4 resistance, 5 varistors, 6 relays
Device, 7 diodes, 8 LED lights, 9 square slow disconnected insurances, 10D-SUB37 socket, 11 passages, the 12 Cornu Bovis seu Bubali male seat seat of honours, 13 Ns
Angle male seat counter-base, 14JST socket, 15 buckles.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings, but not as to restriction of the present utility model.This is real
Execute example and include printed circuit board (PCB) mainboard 1 and the printed circuit board (PCB) subplate 2 of installation corresponding with printed circuit board (PCB) mainboard 1, at printing electricity
Plate mainboard 1 upper left corner, road is provided with binding post 3, is provided with relay 6, is provided with two below relay 6 on the right of binding post 3
Pole pipe 7, is separately installed with resistance 4 and varistor 5, is provided with LED light 8 below resistance 4 below binding post 3, LED refers to
Showing that lamp 8 indicates power supply status, on the right side of LED light 8, side is provided with square slow disconnected insurance 9.Above-mentioned binding post 3, relay
6, resistance 4, varistor 5, LED light 8, square slow disconnected insurance 9 and diode 7 collectively constitute on printed circuit board (PCB) mainboard 1
The power pack installed.Power pack use redundancy dual power supply In-put design, be configured with stream, overvoltage, surge protection circuit with
And power supply power-fail alarm output circuit, and power pack has individually on-the-spot LED light 8, indicates power supply status in real time.
Being positioned at printed circuit board (PCB) mainboard 1 middle and upper part and be provided with D-SUB37 socket 10, printed circuit board (PCB) mainboard 1 middle and lower part is provided with passage 11,
At printed circuit board (PCB) mainboard 1 right-hand member, the Cornu Bovis seu Bubali male seat seat of honour 12 is installed.At printed circuit board (PCB) subplate 2 left end, Cornu Bovis seu Bubali male seat is installed
Counter-base 13, is provided with passage 11 on the right of Cornu Bovis seu Bubali male seat counter-base 13.
Preferably, printed circuit board (PCB) mainboard 1 is provided with 16 passages 11, and printed circuit board (PCB) subplate 2 is provided with 16 passages
11, each passage 11 of printed circuit board (PCB) mainboard 1 and printed circuit board (PCB) subplate 2 is fitted with guard grating or isolator is special
JST socket 14, each passage about 11 two ends be designed with buckle 15, guard grating or isolator be directly inserted into special JST insert
On seat 14, then locked by passage about 11 two ends buckle 15.
This utility model by guard grating or isolator special JST socket 14 by On-off signal guard grating or isolator with
Printed circuit board (PCB) connects, and guard grating or isolator power supply are obtained by printed circuit board (PCB), and its input signal is by printing electricity
Road plate is drawn out on special D-SUB37 socket 10 joint according to the rule of DCS On-off signal signal.Detailed process is as follows:
Printed circuit board (PCB) mainboard 1 power supply enters through binding post 3, through printed circuit board (PCB) track by square slow disconnected insurance 9, diode
7 deliver on special JST socket 14, pass through diode 7, varistor 5, relay 6, LED through track after power on simultaneously
Display lamps 8 etc., indicate power supply status in real time, and the circuit theory diagrams of power pack are as shown in Figure 2.Guard grating or isolator are inserted into
On special JST socket 14, then special fastening 15 can be locked automatically, and its signal is drawn by printed circuit mainboard 1 track
Go out on D-SUB37 socket 10 joint.Printed circuit board (PCB) subplate 2 power supply will through the Cornu Bovis seu Bubali male seat seat of honour 12 and Cornu Bovis seu Bubali male seat counter-base 13
Power supply delivers to JST socket 14, and its signal is drawn out to printing electricity by the connection of the Cornu Bovis seu Bubali male seat seat of honour 12 and Cornu Bovis seu Bubali male seat counter-base 13
On D-SUB37 socket 10 joint of road mainboard 1.Wherein, D-SUB37 socket 10 interface definition is as shown in table 1, and table 1 is switching value
Input signal D-SUB37 socket 10 interface line sequence table, in table 1, the 20-35 pin stitch of D-SUB37 socket 10 interface is followed successively by
The signal anode of 1-16 passage 11,1-16 pin stitch is followed successively by the signal anode of 17-32 passage 11, the 18th pin pin
Foot is public negative terminal.
Table 1 On-off signal signal D-SUB37 jack interface line sequence table
Having the beneficial effect that of the present embodiment
One, simple in construction reducing takes up room.
Two, guard grating or isolator carry out signal and are connected no longer independent distribution with DCS input, and use special integrated base
Directly grafting.
Three, change guard grating or isolator need not take out stitches again, can directly plug, reduce artificial wiring error rate, improve
Overhaul efficiency and reduce the downtime.
Four, guard grating or isolator use public power supply, it is not necessary to power supply is separately configured one by one, simplifies power supply wiring,
And achieve power supply redundancy, the instruction of single field power supply and power down to report to the police.
Five, improve the wiring efficiency reduction of erection time, simplify distribution detail design, be suitable for the large scale system signal that switch board is more
Transmission, the connection of simplification dish top-stitching.
Embodiment described above, the simply one of this utility model more preferably detailed description of the invention, the skill of this area
The usual variations and alternatives that art personnel are carried out in the range of technical solution of the present invention all should be included in protection model of the present utility model
In enclosing.
Claims (4)
1. an On-off signal type guard grating or isolator base plate, it is characterised in that: include printed circuit board (PCB) mainboard (1) and with
The corresponding printed circuit board (PCB) subplate (2) installed of printed circuit board (PCB) mainboard (1), described printed circuit board (PCB) mainboard (1) upper left corner is installed
Binding post (3), binding post (3) lower section is had to be separately installed with resistance (4) and varistor (5), binding post (3) the right peace
Equipped with relay (6), relay (6) lower section is provided with diode (7)；It is positioned at printed circuit board (PCB) mainboard (1) middle and upper part to be provided with
D-SUB37 socket (10), printed circuit board (PCB) mainboard (1) middle and lower part is provided with passage (11), pacifies at printed circuit board (PCB) mainboard (1) right-hand member
Equipped with the Cornu Bovis seu Bubali male seat seat of honour (12)；Described printed circuit board (PCB) subplate (2) left end is provided with Cornu Bovis seu Bubali male seat counter-base (13), Cornu Bovis seu Bubali male seat
Counter-base (13) the right is provided with passage (11)；On each passage (11) of printed circuit board (PCB) mainboard (1) and printed circuit board (PCB) subplate (2)
Being equipped with JST socket (14), each passage (11) is equipped with buckle (15) in two ends up and down.
On-off signal type guard grating the most according to claim 1 or isolator base plate, it is characterised in that: described terminals
Son (3), relay (6), resistance (4), varistor (5) and diode (7) collectively constitute the upper peace of printed circuit board (PCB) mainboard (1)
The power pack of dress；Described power pack also includes LED light (8) and square slow disconnected insurance (9).
On-off signal type guard grating the most according to claim 2 or isolator base plate, it is characterised in that: described power supply unit
Divide and use redundancy dual power supply In-put design, configure power supply power-fail alarm output circuit.
4. according to the On-off signal type guard grating described in any one of claim 1,2,3 or isolator base plate, it is characterised in that:
Described printed circuit board (PCB) mainboard (1) passage (11) number is 16, and printed circuit board (PCB) subplate (2) passage (11) number is 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620487280.8U CN205692021U (en) | 2016-05-26 | 2016-05-26 | A kind of On-off signal type guard grating or isolator base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620487280.8U CN205692021U (en) | 2016-05-26 | 2016-05-26 | A kind of On-off signal type guard grating or isolator base plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205692021U true CN205692021U (en) | 2016-11-16 |
Family
ID=57262950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620487280.8U Active CN205692021U (en) | 2016-05-26 | 2016-05-26 | A kind of On-off signal type guard grating or isolator base plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205692021U (en) |
-
2016
- 2016-05-26 CN CN201620487280.8U patent/CN205692021U/en active Active
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