CN207571557U - Universal logic module - Google Patents
Universal logic module Download PDFInfo
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- CN207571557U CN207571557U CN201721478067.1U CN201721478067U CN207571557U CN 207571557 U CN207571557 U CN 207571557U CN 201721478067 U CN201721478067 U CN 201721478067U CN 207571557 U CN207571557 U CN 207571557U
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- buckle
- power supply
- universal logic
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- logic module
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Abstract
The utility model provides a kind of universal logic module, it includes buckle, the groove for being formed in the universal logic module back side and the container on the outside of the groove, the container extends to the groove from the side at the universal logic module back side, when the buckle is contained in the container, the foot of the buckle is exposed in the groove, and the universal logic module is fixed on the fixing piece of the groove.Compared with prior art, special buckle structure is provided in the universal logic module of the utility model, so as to facilitate the fixation of universal logic module.
Description
【Technical field】
The utility model is related to Programmable logical controller technical fields, more particularly to a kind of to be provided with compiling for buckle structure
Journey Logic control module.
【Background technology】
Programmable logic controller (PLC) (Programmable Logic Controller) is kind exclusively in industrial settings
Using and design digital operation electronic system.It uses a kind of programmable memory, and storage inside it is performed and patrolled
The instruction of the operations such as operation, sequential control, timing, counting and arithmetical operation is collected, passes through digital or analog input and output
To control various types of mechanical equipments or production process.
Existing universal logic module is free of Switching Power Supply, low to the insulation of external power supply can not carry out effectively event
Phragma from；The low chip module that can damage in-line power of exterior insulation.Existing universal logic module individual module is adopted
Collection point is few, and the capacity of single substation is small, and cost it is expensive/extension is difficult.The external structure of existing universal logic module
The fixation of inconvenient universal logic module.
Therefore, it is necessary to a kind of improved technical solution is provided to overcome one or more of above problem.
【Utility model content】
The purpose of this utility model is to provide a kind of universal logic modules, can facilitate programmable logic control
The fixation of molding block.
To solve the above-mentioned problems, the utility model provides a kind of universal logic module, including buckle, is formed
Groove in the universal logic module back side and the container on the outside of the groove, the container is described in
The side at the universal logic module back side extends to the groove, when the buckle is contained in the container, institute
The foot for stating buckle is exposed in the groove, and the universal logic module is fixed on positioned at the groove
On fixing piece.
Further, the container is included from the lateral groove side at the universal logic module back side
To extension first receiving groove portion, from described first receiving groove portion end continue to extend up to the groove direction it is described recessed
Second receiving groove portion of slot, the block in the middle part of the container, wherein, it is formed with and leads on the side wall of second container
Approaching channel；The buckle include being buckled ontology, positioned at the head on buckle ontology top, positioned at the ontology bottom end that is buckled foot, be located at
Be buckled ontology head on both sides shoulder and positioned at the buckle ontology both sides and guidance part between the shoulder and foot；
The buckle ontology includes the cavity through the buckle body thickness direction, extended to form from the buckle ontology and be located at
Elastic clip and finger portion in the cavity；The buckle is contained in the container, and can fix position reconciliation card position
Between move, when the buckle in fix position when, the shoulder of the buckle is contained in the first receiving groove portion and institute
The bottom end for stating the shoulder of buckle is butted on the side wall top of the second receiving groove portion；The guidance part is contained in second receiving
In the guide channel of groove portion；The opening of the elastic clip is held on the first side of the widest portion of the block, and the finger portion is separate
The block；The foot of the buckle is exposed in the groove, so that the universal logic module is fixed on and is located at
On the fixing piece of the groove, when the buckle is in solution card position, the shoulders of the buckle exit described first
Recess the side wall top of the second receiving groove portion in the bottom end of receiving groove portion and the shoulder of the buckle；The elastic clip is opened
Mouth is held on the second side of the widest portion of the block；The finger portion stops close to the block and by the block；It is described
The foot of buckle is retracted into the second receiving groove portion, so that the universal logic module is detached from positioned at described recessed
Fixing piece at slot, when the buckle is moved to by solution card position and fixes position, the opening of the elastic clip is by the block
Widest portion the second side by the block widest portion be moved to the block widest portion the first side.
Further, the elastic clip from it is described buckle ontology cavity close buckle head side extend and
Into the finger portion extends from the side of the foot of the close buckle of the cavity of the buckle ontology；The block with it is described
The adjacent one end in finger portion is formed with recess, and when the buckle is in fixing position, the finger portion is partially housed in the gear
The end in the recess of block and the finger portion and the bottom of the recess of the block maintain a certain distance；At the buckle
When card position is solved, the end in the finger portion abuts against the bottom of the recess of the block.
Further, the width of the first receiving groove portion is more than the described second receiving well width, the buckle ontology
The thickness of shoulder is more than the thickness of the guidance part；It is located at the side of the groove on the back side of universal logic module,
The container described in several is formed with, universal logic module is further included patrols from the programmable of opposite side of the groove
The back portion of volume control module extends to several spaced cards above groove, by the card will described in can
Programmed logic control module is affiliated on the fixing piece of the groove, and the buckle, which further includes, is formed in the buckle back side
Conduit, the back side of the buckle is close to the end face of the receiving trench bottom, and the conduit is located at the cavity of the buckle ontology
Between the foot of buckle, when the buckle is inserted into or detaches the container, the block passes through the conduit.
Further, the universal logic module further includes power module, microprocessor, communication module and defeated
Enter/output module, the power module includes Switching Power Supply, and the input terminal of the Switching Power Supply is connected with external power supply, defeated
Outlet to the device power supply in the universal logic module, and the Switching Power Supply it is low to the insulation of external power supply carry out every
From；The input/output module includes N number of voltage/current signals interface, is used to receive or sends external voltage/electric current letter
Number, the N is natural number；The communication module includes the first CAN communication module and the second CAN communication module, the microprocessor
Device is connected with input/output module, the first CAN communication module and the second CAN communication module, the input/output module by its
Foreign current/the voltage signal received is supplied to the microprocessor, the microprocessor to received foreign current/
Voltage signal is handled to form data-signal, and the data-signal is respectively supplied to the first CAN communication modules and
Received data-signal is converted into the data-signal of CAN forms by two CAN communication modules, the first CAN communication module
And export the data-signal of the CAN forms；Received data-signal is converted into CAN lattice by the 2nd CAN communication modules
The data-signal of formula, and export the data-signal of the CAN forms.
Further, the power module further includes the first variable-voltage power supply and the second variable-voltage power supply, and described first becomes piezoelectricity
The input terminal in source is connected with the output terminal of the Switching Power Supply, and the output terminal of first variable-voltage power supply leads to the first CAN
The power end of news module is connected, and first variable-voltage power supply is used to carry out transformation to the voltage that its input terminal receives to be become
Piezoelectricity pressure, and pass through its output terminal and export the transformation voltage；The input terminal of second variable-voltage power supply and the Switching Power Supply
Output terminal is connected, and the output terminal of second variable-voltage power supply is connected with the power end of the second CAN communication module, and described second
Variable-voltage power supply is used to carry out transformation to the voltage that its input terminal receives, and to obtain transformation voltage, and passes through its output terminal and exports
The transformation voltage.
Further, the external power supply is the DC power supply of 24V；The Switching Power Supply turns the switch electricity of 3V for 24V
Source；First variable-voltage power supply and the second variable-voltage power supply turn the variable-voltage power supply of 5V for 3V.
Compared with prior art, special buckle structure is provided in the universal logic module of the utility model,
So as to facilitate the fixation of universal logic module.
【Description of the drawings】
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.Wherein：
Fig. 1 is the structure diagram of the programmable logic control system of the utility model in one embodiment；
Fig. 2 is the circuit diagram of a universal logic module in one embodiment in Fig. 1；
Fig. 3 is the vertical view of universal logic module shown in Fig. 2 in one embodiment；
Fig. 4 is the recognition methods of the failure universal logic module in programmable logic control system shown in FIG. 1
Flow diagram；
Fig. 5 is the explosive view of the backside structure of the universal logic module of the utility model in one embodiment；
Fig. 6 is structure diagram of the universal logic module shown in fig. 5 when buckle is in fixing position；
Fig. 7 is structure diagram of the universal logic module shown in fig. 5 when buckle is in solution card position；
Fig. 8 is the structure diagram of the back side of buckle shown in FIG. 1 in one embodiment；
Fig. 9 is the backside structure signal that multiple universal logic modules are equipped on a fixing piece in Figure 10
Figure；
Figure 10 is the structure diagram of the Programmable logical controller frame of the utility model in one embodiment.
【Specific embodiment】
Above-mentioned purpose, feature and advantage to enable the utility model are more obvious understandable, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
" one embodiment " or " embodiment " referred to herein refers to may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to
Same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiment.Unless stated otherwise,
The word that the expression connect, be connected, connecting herein is electrically connected represents directly or indirectly to be electrical connected.
(1) using the programmable logic control system and Programmable logical controller subsystem of dual CAN bus communication
It is the structure of the programmable logic control system of the utility model in one embodiment shown in please referring to Fig.1
Schematic diagram.Programmable logic control system shown in FIG. 1 includes first work station 110 (being abbreviated as 1 # work stations), the second work
It stands 120 (being abbreviated as 2# work stations) and multiple Programmable logical controller subsystems (not marking).
Each Programmable logical controller subsystem include the first modular converter 122 (i.e. CAN turns NET modules 122), second turn
Change the mold block 124 (i.e. CAN turns NET modules 124) and M universal logic module 130, M is natural number, and M≤16.First
122 and second modular converter 124 of modular converter is that CAN (Controller Area Network, controller local area network) turns
NET (Ethernet, Ethernet) module.Any one Programmable logical controller in each Programmable logical controller subsystem
Module 130 turns NET modules 122 with CAN by the first CAN bus (CNABUS1) and is connected, and CAN turns NET modules 122 and passes through ether
Net is connected through the first interchanger 142 with first work station 110；Any one universal logic module 130 passes through the 2nd CAN
Bus (CNABUS2) turns NET modules 124 with CAN and is connected, and CAN turns NET modules 124 by Ethernet through second switch 144
It is connected with second work station 120.
Each universal logic module 130 receives multiple current/voltage signals, and multiple electric currents to receiving/
Voltage signal is handled, to generate simultaneously outputting data signals.The data-signal is turned by the first CAN bus transfers to CAN
NET modules 122, CAN turn NET modules 122 by received data-signal by CAN format conversions be NET forms, NET forms
Data-signal first work station 110 is transferred to by Ethernet again；The data-signal is transferred to by the second CAN bus
CAN turns NET modules 124, and it is NET lattice by CAN format conversions that the CAN, which turns NET modules 124 by received data-signal,
Formula, the data-signal of NET forms are transferred to second work station 120 by Ethernet again.
In the utility model, (the first CAN bus, the 2nd CAN are total by CAN bus for universal logic module 130
Line) it is communicated with modular converter (CAN turns NET modules 122, CAN turns NET modules 124), since CAN bus is communicated than other buses
The speed of form transmission data is fast, after data turn NET modules 122,124 by CAN, can quickly send data to computer
Work carries out Centralized Monitoring (modular converter connects interchanger by Ethernet), has good interactivity；Using dual CAN bus
Communication, accomplishes the redundancy of data, and dual CAN bus communication can turn NET modules by different CAN respectively and be calculated respectively into first
Machine work station 110 and second computer work station 120 can carry out redundancy monitoring, the first computer to access point respectively in this way
Work station 110 and second computer work station 120 can also do effective redundancy, realize safest monitoring.
The utility model uses modularized design circuit, and single universal logic module 130 (is specifically seen below
Description to Fig. 2) 12 current or voltage signals can be received, utilize the microprocessor of itself of universal logic module 130
Data are transmitted, while a substation (subsystem) can accommodate 16 pieces by dual CAN bus (i.e. the CAN bus of redundancy)
Such universal logic module 130, such a substation can have 192 point accesses, this 192 points are turned by CAN
NET modules 122,124 convert after to computer workstation Centralized Monitoring, turning NET modules by extending n CAN can have the n a
192 points of inputs, system can reception capacity can be gone down by this extended mode infinite expanding, n here can be more than 2
Natural number.
(2) internal structure of universal logic module
Shown in please referring to Fig.2, show for the circuit of a universal logic module in Fig. 1 in one embodiment
It is intended to.Universal logic module shown in Fig. 2 includes input/output module 210, communication module (not marking) and microprocessor
Device (CPU, also referred to as central processing unit).
The input/output module 210 include N number of current/voltage signaling interface IN, be used to receive or send electric current/
Voltage signal, the N is natural number, and in specific embodiment shown in Fig. 2, the input/output module 210 includes 12
Current/voltage signaling interface IN, and it receives 0~10V of ranging from 4~20mA or of current/voltage signal.The communication mould
Block includes the first CAN communication module 222, the second CAN communication module 224, the microprocessor and input/output module 210, the
One CAN communication module 222 is connected with the second CAN communication module 224.
Received foreign current/voltage signal is supplied to the microprocessor by the input/output module 210,
The microprocessor handles received foreign current/voltage signal to form data-signal, and by the data
Signal is respectively supplied to the first CAN communication module 222 and the second CAN communication module 224.The first CAN communication module 222
Received data-signal is converted into the data-signal of CAN forms, then the CAN forms are transmitted by the first CAN bus
Data-signal gives the first modular converter 122；Received data-signal is converted into CAN by the second CAN communication module 224
The data-signal of form, then the data-signal of the CAN forms is transmitted to the second modular converter 124 by the second CAN bus.This
Sample, universal logic module shown in Fig. 2 can be realized between the first modular converter 122 and the second modular converter 124
Dual CAN bus communication.
In specific embodiment shown in Fig. 2, the first CAN communication module 222 includes the first communication input interface 1#
The communication output interface 1# CAN OUT of CAN IN and first, and the first communication input interface 1# CAN IN and the second communication output
Interface 1# CAN OUT are connected by the first CAN bus with the first modular converter 122；The second CAN communication module 224 is wrapped
Include the communication output interface 2# CAN OUT of the second communication input interface 2# CAN IN and second, and the second communication input interface 2#
The communications of CAN IN and second output interface 2# CAN OUT are connected by the first CAN bus with the second modular converter 124.
Please continue to refer to shown in Fig. 2, universal logic module shown in Fig. 2 further includes the power module and (does not mark
Note), the power module includes Switching Power Supply 232, and the input terminal of the Switching Power Supply 232 is connected with external power supply, exports
It holds and powers to the device in the universal logic module, and the progress low to the insulation of external power supply of the Switching Power Supply 232
Isolation, so as to carry out transformation with a Switching Power Supply to reach the low effective Fault Isolation of progress of insulation to external power supply.One
In a embodiment, the Switching Power Supply 232 is by controlling the turn-on and turn-off of switching tube, the voltage received to its input terminal
Transformation is carried out, to pass through the stable output voltage of its output terminal output.
Please continue to refer to shown in Fig. 2, the power module in universal logic module shown in Fig. 2 further includes
One variable-voltage power supply 234 and the second variable-voltage power supply 236.
The input terminal of first variable-voltage power supply 234 is connected with the output terminal of the Switching Power Supply 232, first transformation
The output terminal of power supply 234 is connected with the power end of the first CAN communication module 222, first variable-voltage power supply 234 for pair
The voltage that its input terminal receives carries out transformation, to obtain transformation voltage, and passes through its output terminal and exports the transformation voltage.It is described
The input terminal of second variable-voltage power supply 236 is connected with the output terminal of the Switching Power Supply 232, second variable-voltage power supply 236 it is defeated
Outlet is connected with the power end of the second CAN communication module 224, and second variable-voltage power supply 236 is used to input it termination
The voltage received carries out transformation, to obtain transformation voltage, and passes through its output terminal and exports the transformation voltage.
Wherein, existing power supply electricity may be used in Switching Power Supply 232, the first variable-voltage power supply 234 and the second variable-voltage power supply 236
Road and the technology of transforming circuit, therefore details are not described herein.
In a specific embodiment, the external power supply is the DC power supply of 24V；The Switching Power Supply 232 is
24V turns the Switching Power Supply of 3V；First variable-voltage power supply, 234 and second variable-voltage power supply 236 turns the variable-voltage power supply of 5V for 3V.
(3) indicating lamp structure of universal logic module
Shown in please referring to Fig.2, which show the inside of the indicator light of the universal logic module in the utility model
Structure, please refer to Fig.3 shown in, be the vertical view of universal logic module shown in Fig. 2 in one embodiment, show
The external structure of the indicator light of universal logic module is shown.
With reference to shown in Fig. 2 and Fig. 3, the indicator light of the universal logic module in the utility model includes first and shines
Diode D1, the second light emitting diode D2, third light emitting diode D3, the 4th light emitting diode D4 and the 5th light emitting diode
D5 and 2N light emitting diode corresponding with N number of current/voltage signaling interface of the input/output module 210.
Wherein, the first CAN communication module 222 and the first light emitting diode D1 (Tx represents hair data) and the second hair
Optical diode D2 (Rx represents to receive data) is connected, and the first light emitting diode D1 is used to show the first CAN communication module 222
Whether transmission data is faulty；Second light emitting diode D2 is used to show whether the first CAN communication module 222 receives data
It is faulty.Similarly, the second CAN communication module 224 and third light emitting diode D3 (Tx) and the 4th light emitting diode D4
(Rx) it is connected, third light emitting diode D3 is used to show whether 224 transmission data of the second CAN communication module is faulty；The
Whether four light emitting diode D4 are faulty for showing the reception of the second CAN communication module 224 data.In one embodiment
In, the first light emitting diode D1 to the 4th light emitting diode D4 is by whether flicker to show corresponding CAN communication module
It receives data or whether reception data is faulty, for example, when the first light emitting diode D1 flickers, represent the first CAN communication mould
Block 222 has data transmission, when the first light emitting diode D1 does not flicker, represents that 222 transmission data of the first CAN communication module has event
Barrier；When the second light emitting diode D2 flickers, represent that the first CAN communication module 222 has data receiver, when the second light emitting diode
When D2 does not flicker, it is faulty to represent that the first CAN communication module 222 receives data.
The microprocessor is connected with the 5th light emitting diode D5, and the 5th light emitting diode D5 is used to show microprocessor
Whether device works normally.In one embodiment, the 5th light emitting diode D5 passes through bright or go out and be come display microprocessor
No normal work, for example, when the microprocessor works normally, the 5th light emitting diode D5 is always on, when the microprocessor
During failure, the 5th light emitting diode D5 often goes out；For another example, when the microprocessor works normally, the 5th light-emitting diodes
Pipe D5 often goes out, and when the microprocessor breaks down, the 5th light emitting diode D5 is always on.
Each current/voltage signaling interface of the input/output module 210 passes through two light emitting diodes and microprocessor
Device is connected, and described two light emitting diodes are respectively used to show the transmission signal of the current/voltage signaling interface and receive signal
It is whether normal.For example, the interface of a current/voltage signal in the left side of the input/output module 210 includes 1 He of pin
2, wherein pin 2 passes sequentially through light emitting diode D6, resistance R1 and optocoupler 1 and is connected with microprocessor；The input/output module
The interface of one current/voltage signal on 210 right side include pin 1 and 2, wherein pin 2 pass sequentially through light emitting diode D7,
Resistance R2 and optocoupler 2 are connected with microprocessor.
(4) in programmable logic control system failure universal logic module recognition methods
It is the failure Programmable logical controller mould in programmable logic control system shown in FIG. 1 shown in please referring to Fig.4
The flow diagram of the recognition methods of block.Below in conjunction with Fig. 1, failure universal logic module shown in Fig. 4 is specifically introduced
Recognition methods.
Step 410, modular converter 122,124 gives its corresponding universal logic module with predetermined period of time
130 send random heartbeat signal；
Step 420, the corresponding universal logic module 130 receives the modular converter 122,124 and sends out
Heartbeat signal after, send the data-signal of specified format to the modular converter 122,124, the data-signal includes address
The heartbeat signal that signal, current/voltage signal and the corresponding universal logic module 130 receive, wherein, institute
It is the external signal that the corresponding universal logic module receives to state current/voltage signal；Described address signal is
The signal (similar gateway 1-255) that microprocessor in the corresponding universal logic module obtains after self detecting.
In a specific embodiment, the universal logic module 130 turns the current/voltage signal of the outside received
The identifiable digital signal of computer is changed into, then again by the digital signal, address signal and corresponding Programmable logical controller
The heartbeat signal that module 130 receives is integrated into the data-signal of specified format, then again by CAN bus bus transfer to pair
The modular converter 122,124 answered.
Step 430, the modular converter 122,124 receives the number that corresponding universal logic module 130 is sent
It is believed that number after, whether the heartbeat signal detected in the data-signal received correct.
Step 440, if the modular converter 122,124 detects the heartbeat signal disappearance or wrong returned with data-signal
Accidentally, then judge that there may be failures for corresponding universal logic module 130.
To sum up shown, the recognition methods of the failure universal logic module in the utility model can be patrolled programmable
The universal logic module collected in control system is monitored, and can be quickly found out out of order Programmable logical controller mould
Block.
(5) external structure of universal logic module
In order to facilitate the fixation of universal logic module, the utility model is to the outside of universal logic module
Structure is improved.
It please refers to shown in Fig. 5, is the back side of the universal logic module of the utility model in one embodiment
The explosive view of structure；It please refers to shown in Fig. 6, is that universal logic module shown in fig. 5 is in fixing position in buckle
When structure diagram；It please refers to shown in Fig. 7, is that universal logic module shown in fig. 5 is in solution screens in buckle
Structure diagram when putting.
Universal logic module 500 shown in Fig. 5-7 includes buckle 520, is formed in the Programmable logical controller
The groove 510 at 500 back side of module and the container 530 positioned at 510 outside of groove, the container 530 can be compiled described in
The side at the journey Logic control module back side extends to the groove 510.When the buckle 520 is contained in the container 530
When, the foot 521 of the buckle 520 is exposed in the groove 510, and the universal logic module 500 is fixed
In on the fixing piece 600 at the groove 510.
In specific embodiment shown in Fig. 5-7, the container 530 is included from the universal logic module 500
First receiving groove portion 532 of lateral 510 direction of the groove extension of the one of the back side, the end for accommodating groove portion 532 from described first
Continue to extend up to the second receiving groove portion 534 of the groove 510, in the container 530 to 510 direction of groove
The block 536 in portion, wherein, second container is formed with guide channel 5342 on 534 side wall；The buckle 520 includes card
Detain ontology 525, positioned at the head 522 on buckle ontology 525 top, positioned at the foot 521 of 525 bottom end of buckle ontology, positioned at buckle
The shoulder 523 of 522 both sides of head of ontology 525 and positioned at buckle 525 both sides of ontology and positioned at the shoulder 523 and foot
Guidance part 524 between 521；It is described buckle ontology 525 include through it is described buckle 525 thickness direction of ontology cavity 5252,
Extended to form from the buckle ontology 525 and elastic clip 5256 in the cavity 5252 and finger portion 5254；The card
Button 520 can be contained in the container 530, and can be moved between position reconciliation card position is fixed.
(Fig. 6 is specifically referred to when the buckle 520 is in fixing position), and the shoulder 523 of the buckle 520 accommodates
The second receiving groove portion 534 is butted in the described first receiving groove portion 532 and bottom end of the shoulder 523 of the buckle 520
Side wall top；The guidance part 524 is contained in the guide channel 5342 of the second receiving groove portion 534；The elastic clip 5256
Opening be held on the block 536 widest portion the first side, the finger portion 5254 is far from the block 536；The card
The foot 521 of button 520 is exposed in the groove 510, so that the universal logic module 500 is fixed on positioned at described
On fixing piece 600 at groove 510.
(Fig. 7 is specifically referred to when the buckle 520 is in solution card position), and the shoulders 523 of the buckle 520 move back
Recess the described second side for accommodating groove portion 534 in the bottom end for going out the first receiving groove portion 532 and the shoulder 523 of the buckle 520
Wall top；The opening of the elastic clip 5256 is held on the second side of the widest portion of the block；The finger portion 5254 is close
The block 536 is simultaneously stopped by the block 536；The foot of the buckle 520 is retracted into the second receiving groove portion 534, with
So that the universal logic module 500 is detached from the fixing piece 600 at the groove 510.In the buckle 520
Be moved to by solution card position when fixing position, the opening of the elastic clip 5256 by the block 536 widest portion second
Side is moved to the first side of the widest portion of the block 536 by the widest portion of the block 536.
In the specific embodiment shown in Fig. 5-7, the elastic clip 5256 is from the cavity 5252 of the buckle ontology 525
Extend close to the side on head 522 of buckle 520, the finger portion 5254 is from the cavity 5252 of the buckle ontology 525
Extend close to the side of the foot 521 of buckle 520；The block 536 one end adjacent with the finger portion 5254 is formed with
Recess 5362, when the buckle 520 is in fixing position, the finger portion 5254 is partially housed in the recessed of the block 536
In the mouth 5362 and end in the finger portions 5254 and the bottom of the recess 5362 of the block 536 maintain a certain distance；
When the buckle 520 is in solution card position, the end in the finger portion 5254 abuts against the recess 5362 of the block 536
Bottom.
In the specific embodiment shown in Fig. 5-7, the width of the first receiving groove portion 532 is more than second container
534 width of portion, the thickness of the shoulder 523 of the buckle ontology 525 are more than the thickness of the guidance part 524；Programmable logic control
It is located at the side of the groove 510 on the back side of molding block 500, is formed with the container 530 described in several, programmable logic
The back portion that control module 500 further includes the universal logic module 500 of the opposite side from the groove 510 extends to
Several spaced cards 540 of 510 top of groove, can be first by the Programmable logical controller by the card 540
Module 500 is affiliated on the fixing piece 600 at the groove 510, then again by buckle 520 by the Programmable logical controller
Module 500 is fixed on the fixing piece 600 at the groove 510.
The head 522 of the buckle ontology 525 can be used as push-and-pull portion, by the head for pushing and pulling the buckle ontology 525
Portion 522 is so that the buckle 520 moves between conciliating card position in the fixing position of the container 530.The buckle ontology
525 head 522 is formed through the through-hole 5222 of 522 thickness direction of head, can be auxiliary in the interior insertion of through-hole 5222 at this
Assistant engineer has, the buckle 520 to be driven to be moved between conciliating card position in the fixing position of the container 530.
It please refers to shown in Fig. 8, is the structure diagram of the back side of buckle shown in FIG. 1 in one embodiment, it is shown
Buckle 520 further include the conduit 550 for being formed in 520 back sides of the buckle, the back side of the buckle 520 is close to the receipts
The end face of 530 bottom of tank, the conduit 550 are located at the cavity 5252 of the buckle ontology 525 and the foot 521 of buckle 520
Between, when the buckle 520 is inserted into or detaches the container 530, the block 536 passes through the conduit 550.
It please refers to Fig.1 shown in 0, the structure for the Programmable logical controller frame of the utility model in one embodiment is shown
It is intended to.Programmable logical controller frame shown in Fig. 10 include installing plate 700, multiple fixing pieces 600 and it is multiple as illustrated in figs. 5-7
Universal logic module 500.
Wherein, multiple fixing pieces 600 are sequentially fixed on the end face of the installing plate 700, wherein on each fixing piece 600
It is all fixed with multiple universal logic modules 500 successively.It please refers to described in Fig. 9, is a fixing piece 600 in Figure 10
On the structure schematic diagrams of multiple universal logic modules 500 is installed.In Fig. 5 and embodiment shown in Fig. 10,
The fixing piece 600 is strip board.
It should be pointed out that one skilled in the art specific embodiment of the present utility model is done it is any
Change the range of claims all without departing from the utility model.Correspondingly, the scope of the claims of the utility model
It is not limited only to previous embodiment.
Claims (7)
1. a kind of universal logic module, which is characterized in that
The universal logic module includes buckle, the groove and the position that are formed in the universal logic module back side
Container on the outside of the groove, the container extend to described from the side at the universal logic module back side
Groove,
When the buckle is contained in the container, the foot of the buckle is exposed in the groove, can by described in
Programmed logic control module is fixed on the fixing piece of the groove.
2. universal logic module according to claim 1, which is characterized in that
The container includes first of the lateral groove direction extension from the universal logic module back side
Receiving groove portion continues to extend up to the second receiving of the groove to the groove direction from the end of the described first receiving groove portion
Groove portion, the block in the middle part of the container, wherein, it is formed with guide channel on the side wall of second container；
The buckle include being buckled ontology, positioned at the head on buckle ontology top, positioned at the foot for the ontology bottom end that is buckled, positioned at card
Detain the shoulder of the head on both sides of ontology and positioned at buckle ontology both sides and the guidance part between the shoulder and foot；Institute
State buckle ontology include the cavity through the buckle body thickness direction, extended to form from the buckle ontology and positioned at institute
State the elastic clip in cavity and finger portion；
The buckle is contained in the container, and can be moved between position reconciliation card position is fixed,
When the buckle is in fixing position, the shoulder of the buckle is contained in the first receiving groove portion and the card
The bottom end of the shoulder of button is butted on the side wall top of the second receiving groove portion；The guidance part is contained in the second receiving groove portion
Guide channel in；The opening of the elastic clip is held on the first side of the widest portion of the block, and the finger portion is far from described
Block；The foot of the buckle is exposed in the groove, so that the universal logic module is fixed on positioned at described
On the fixing piece of groove,
When the buckle is in solution card position, the shoulders of the buckle exit the first receiving groove portion and the card
Recess the side wall top of the second receiving groove portion in the bottom end of the shoulder of button；The opening of the elastic clip is held on the block
The second side of widest portion；The finger portion stops close to the block and by the block；The foot of the buckle is retracted into described
In second receiving groove portion, so that the universal logic module is detached from the fixing piece positioned at the groove,
When the buckle is moved to by solution card position and fixes position, the opening of the elastic clip by the block widest portion
The second side by the block widest portion be moved to the block widest portion the first side.
3. universal logic module according to claim 2, which is characterized in that
The elastic clip extends from the side on head of the close buckle of the cavity of the buckle ontology, and the finger portion is from institute
The side for stating the foot of the close buckle of the cavity of buckle ontology extends；
Block one end adjacent with the finger portion is formed with recess, when the buckle is in fixing position, the finger portion
The recess for being partially housed in the block and the recess of the end and block in the finger portion bottom maintain it is certain
Distance；When the buckle is in solution card position, the end in the finger portion abuts against the bottom of the recess of the block.
4. universal logic module according to claim 3, which is characterized in that
The width of the first receiving groove portion is more than the described second receiving well width, and the thickness of the shoulder of the buckle ontology is more than
The thickness of the guidance part；
It is located at the side of the groove on the back side of universal logic module, is formed with the container described in several, it can
The back portion that programmed logic control module further includes the universal logic module of the opposite side from the groove extends to
The universal logic module is affiliated in described by several spaced cards above groove by the card
On the fixing piece of groove,
The buckle further includes the conduit for being formed in the buckle back side, and the back side of the buckle is close to the receiving trench bottom
End face, the conduit is located between the cavity of the buckle ontology and the foot of buckle, is inserted into the buckle or detaches institute
When stating container, the block passes through the conduit.
5. universal logic module according to claim 2, which is characterized in that it includes power module, microprocessor
Device, communication module and input/output module,
The power module includes Switching Power Supply, and the input terminal of the Switching Power Supply is connected with external power supply, and output terminal is given should
Device power supply in universal logic module, and the Switching Power Supply is low to the insulation of external power supply is isolated；
The input/output module includes N number of voltage/current signals interface, is used to receive or sends external voltage/electric current letter
Number, the N is natural number；
The communication module includes the first CAN communication module and the second CAN communication module, the microprocessor and input/output
Module, the first CAN communication module are connected with the second CAN communication module,
Received foreign current/voltage signal is supplied to the microprocessor, micro- place by the input/output module
Reason device is handled received foreign current/voltage signal to form data-signal, and the data-signal is distinguished
The first CAN communication module and the second CAN communication module are supplied to, the first CAN communication module believes received data
It number is converted into the data-signal of CAN forms and exports the data-signal of the CAN forms；The second CAN communication module is connect
The data-signal received is converted into the data-signal of CAN forms, and exports the data-signal of the CAN forms.
6. universal logic module according to claim 5, which is characterized in that the power module further includes first
Variable-voltage power supply and the second variable-voltage power supply,
The input terminal of first variable-voltage power supply is connected with the output terminal of the Switching Power Supply, the output of first variable-voltage power supply
End is connected with the power end of the first CAN communication module, and first variable-voltage power supply is used for the electricity received to its input terminal
Pressure carries out transformation to obtain transformation voltage, and passes through its output terminal and export the transformation voltage；
The input terminal of second variable-voltage power supply is connected with the output terminal of the Switching Power Supply, the output of second variable-voltage power supply
End is connected with the power end of the second CAN communication module, and second variable-voltage power supply is used for the electricity received to its input terminal
Pressure carries out transformation, to obtain transformation voltage, and passes through its output terminal and exports the transformation voltage.
7. universal logic module according to claim 6, which is characterized in that
The external power supply is the DC power supply of 24V；
The Switching Power Supply turns the Switching Power Supply of 3V for 24V；
First variable-voltage power supply and the second variable-voltage power supply turn the variable-voltage power supply of 5V for 3V.
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| CN201721478067.1U CN207571557U (en) | 2017-11-08 | 2017-11-08 | Universal logic module |
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| CN201721478067.1U CN207571557U (en) | 2017-11-08 | 2017-11-08 | Universal logic module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107608309A (en) * | 2017-11-08 | 2018-01-19 | 江苏驷博电气有限公司 | Universal logic module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107608309A (en) * | 2017-11-08 | 2018-01-19 | 江苏驷博电气有限公司 | Universal logic module |
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