CN114665438B - Terminal board and surge device and safety barrier device comprising same - Google Patents
Terminal board and surge device and safety barrier device comprising same Download PDFInfo
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- CN114665438B CN114665438B CN202210565978.7A CN202210565978A CN114665438B CN 114665438 B CN114665438 B CN 114665438B CN 202210565978 A CN202210565978 A CN 202210565978A CN 114665438 B CN114665438 B CN 114665438B
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- 238000010586 diagram Methods 0.000 description 6
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- 230000009286 beneficial effect Effects 0.000 description 3
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- 230000008054 signal transmission Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to a terminal board and a surge device and a safety barrier device comprising the same, wherein the terminal board comprises a bottom plate and a universal module base welded on the bottom plate, and the universal module base is provided with: the device comprises a power interface used for connecting an external power supply, a signal interface used for connecting an external control unit and a wiring terminal connected with the signal interface through a signal wire; the power interface comprises a first power interface end used for connecting the anode of an external power supply and a second power interface end used for connecting the cathode of the external power supply; the first power interface end is connected with the first end of the first wire; the second power interface end is connected with the first end of the second wire; still be provided with on the general module base: the universal interface is used for inserting external equipment, and the module identification circuit is connected with the second end of the first wire; and the module identification circuit is used for cutting off the signal wire under the condition that the module identification circuit is communicated with the second end of the second wire after the universal interface is plugged with the external equipment.
Description
Technical Field
The invention relates to the technical field of printed circuit boards, in particular to a terminal board and a surge device and a safety barrier device comprising the same.
Background
In the conventional terminal board, a safety barrier, an isolator or a relay, a printed circuit board, a resistor, a diode and the like are integrated, and since only one of the safety barrier, the isolator or the relay is integrated in the terminal board, the terminal board with a certain function needs to be selected according to the type of an input signal, so that the terminal board selection is diversified and spare parts are diversified during system integration design.
Therefore, the existing terminal board has single function and various types. This type terminal board needs carry out the apolegamy according to the type of on-the-spot input/output signal, and system integrated design is complicated relatively, spare part variety is various, is unfavorable for system integrated design and operation maintenance. Meanwhile, the replacement of the electrical element causes signal interruption, which is not favorable for the operation of the control system. The isolator, the relay and the safety barrier which are inserted on the terminal board are loop safety protection type electric appliance devices, when large current and strong voltage are generated, the devices serve as the protection function of current limiting and voltage limiting, so that the possibility of failure is high, and the signal input and output are influenced during replacement to be not beneficial to the operation of a control system due to the fact that a hot plug function is not designed.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides a terminal board and a surge device and a safety barrier device including the same, which solves the problems that the existing terminal board has a single function and multiple types, needs to be selected and matched according to the type of the on-site input and output signals, has relatively complex system integration design and multiple types of spare parts, and is not beneficial to system integration design and operation maintenance. Meanwhile, the replacement of the electrical element causes signal interruption, which is not favorable for controlling the operation of the system.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
in a first aspect, an embodiment of the present invention provides a terminal board, including a base plate and a universal module base welded to the base plate, the universal module base being provided with:
the power supply interface is used for connecting an external power supply, the signal interface is used for connecting an external control unit, and the wiring terminal is connected with the signal interface through a signal wire;
the power interface comprises a first power interface end used for connecting the anode of an external power supply and a second power interface end used for connecting the cathode of the external power supply; the first power interface end is connected with a first end of a first wire; the second power interface end is connected with a first end of a second wire;
still be provided with on the general module base: the universal plug interface is used for plugging external equipment, and the module identification circuit is connected with the second end of the first wire;
the external equipment is any one of a safety grid, a relay, an isolator and a surge protector;
and the module identification circuit is used for cutting off the signal wire under the condition that the module identification circuit is communicated with the second end of the second wire after the universal interface is plugged with external equipment.
Preferably, the first and second electrodes are formed of a metal,
the signal interface comprises a first signal interface end used for connecting a positive signal sent by the external control unit and a second signal interface end used for connecting a negative signal sent by the external control unit;
the first signal interface end is connected with the first end of the first signal wire; the second signal interface end is connected with the first end of the second signal wire;
the connecting terminal comprises a first connecting terminal and a second connecting terminal;
the first connecting terminal is connected with the second end of the first signal wire;
the second connecting terminal is connected with a second end of the second signal wire;
the universal interface comprises a first interface, a second interface, a third interface, a fourth interface, a fifth interface, a sixth interface and a seventh interface; the first interface is connected with a second end of the first wire; the second interface is connected with the module identification circuit; the third interface is connected with the first end of the first signal line; the fourth interface is connected with the first end of the second signal line; the fifth interface is connected with the second end of the first signal line; the sixth interface is connected with the second end of the second signal line; the seventh interface is grounded;
a first normally closed relay interface switch is arranged between two ends of the first signal wire;
and a second normally closed relay interface switch is arranged between two ends of the second signal wire.
Preferably, the first and second electrodes are formed of a metal,
the first signal interface end is connected with the first end of the first signal line through a fuse.
Preferably, the first and second liquid crystal display panels are,
the universal module base is also provided with a third wiring terminal, and the third wiring terminal is grounded;
the external power supply is 24V.
Preferably, the first and second liquid crystal display panels are,
the module identification circuit includes: the first diode, the second diode, a first relay for controlling the interface switch of the first normally closed relay and a second relay for controlling the interface switch of the second normally closed relay are connected in the module identification circuit;
the second end of the first wire is respectively connected with the cathode of the first diode, the cathode of the second diode, the anode of the first relay and the anode of the second relay;
and the anode of the first diode, the anode of the second diode, the cathode of the first relay and the cathode of the second relay are connected with the fourth interface.
Preferably, the first and second electrodes are formed of a metal,
the module identification circuit includes: the third diode and a third relay are used for controlling the first normally closed relay interface switch and the second normally closed relay interface switch in the state that the module identification circuit is communicated;
a second end of the first wire is connected with a cathode of the third diode and an anode of the third relay respectively;
and the anode of the third diode and the cathode of the third relay are both connected with the fourth interface.
Preferably, the first and second electrodes are formed of a metal,
the third relay is a double-pole relay.
In another aspect, the present embodiment provides a surge device, including: a surge protector and a terminal board as described above;
the surge protector comprises a first jack, a second jack and a third jack;
the first socket of the surge protector is connected with the grounding end in the surge protector;
the second socket and the third socket of the surge protector are respectively connected with a piezoresistor in the surge protector;
the first jack, the second jack and the third jack of the surge protector are correspondingly plugged with the fifth interface, the sixth interface and the seventh interface in the terminal board one by one.
Preferably, the first and second electrodes are formed of a metal,
still be provided with in the surge protector: a fourth interface and a fifth interface;
the fourth insertion port and the fifth insertion port are respectively connected with a rebound switch in the surge protector, and when the rebound switch is closed, the fourth insertion port and the fifth insertion port are communicated in the surge protector;
the universal module base in the terminal board is also provided with an eighth interface and an optical coupler connected with the eighth interface;
the fourth interface and the fifth interface of the surge protector are correspondingly spliced with the first interface and the eighth interface in the terminal board one by one;
the eighth interface is connected with the input end of the optical coupler;
the optical coupler is used for being communicated with an external power supply after a fourth plug port and a fifth plug port in the surge protector are communicated inside the surge protector, and receiving an electric signal input by the external power supply;
the bottom plate is also welded with a processing unit;
the processing unit includes: the MCU processor, the 485 converter and the signal output interface are connected in sequence;
and the MCU processor in the processing unit is connected with the output end of the optical coupler and used for processing the electric signals after the isolation processing, and transmitting the signals processed by the MCU processor to an external control system connected with the signal output interface through the 485 converter and the signal output interface.
In another aspect, the present embodiment provides a safety barrier device, including: a safety fence and a terminal board as described above;
the safety barrier is spliced with the terminal board through a first interface, a second interface, a third interface, a fourth interface, a sixth interface and a seventh interface of the terminal board;
the safety barrier also comprises a seventh interface and a sixth interface;
the seventh socket and the sixth socket of the safety barrier are communicated inside the safety barrier;
the safety barrier is spliced with the terminal board through a seventh splicing opening, a sixth splicing opening, 2 signal input ends and 2 signal output ends of the safety barrier;
specifically, a seventh interface of the safety barrier is spliced with the first interface of the terminal board;
a sixth jack of the safety barrier is plugged with the second interface of the terminal board;
2 signal input ends of the safety barrier are respectively spliced with a third interface and a fourth interface of the terminal board;
and 2 signal output ends of the safety barrier are respectively spliced with the fifth interface and the sixth interface of the terminal board.
(III) advantageous effects
The beneficial effects of the invention are:
in the terminal board of the present invention, the general module base on each terminal board is provided with: compared with the prior art, the universal plug interface for plugging external equipment and the module identification circuit connected with the first wire can be used for cutting off the signal wire in the state that the module identification circuit is communicated after the external equipment is plugged into the universal plug interface through the module identification circuit, so that the external equipment can be plugged into any one of a safety barrier, a relay, an isolator and a surge protector.
Compared with the prior art, the surge device has the advantages that the circuit switch in the terminal board can not act when the surge protector is pulled out, the electrical communication state is still kept, the normal transmission of signals can not be influenced when the surge protector is pulled out, and the circuit overvoltage, overcurrent and pulse isolation can be protected after the surge protector is inserted into the terminal board.
Compared with the prior art, the safety barrier device has the advantages that the terminal board and the safety barrier are adopted, so that when the safety barrier is pulled out of the terminal board, the safety barrier triggers the normally closed and normally open contact of the circuit of the terminal board to be sucked or disconnected to break an internal passage, namely the safety barrier is pulled out to break the whole circuit.
Drawings
FIG. 1 is a schematic view of a circuit configuration of a universal module base on a terminal board according to the present invention;
fig. 2 is another schematic circuit configuration diagram of a universal module base on a terminal board of the present invention;
FIG. 3 is a schematic diagram of a surge apparatus of the present invention;
fig. 4 is a schematic diagram of a circuit in a surge protector in a surge device of the present invention;
FIG. 5 is a schematic diagram of a surge device in an embodiment of the present invention;
FIG. 6 is a schematic diagram of the internal structure of the processing unit according to the present invention;
FIG. 7 is a schematic view of a safety barrier device according to the present invention;
fig. 8 is a schematic structural diagram of a safety barrier device according to the present invention.
[ description of reference ]
1: a first interface;
2: a second interface;
3: a third interface;
4: a fourth interface;
5: a fifth interface;
6: a sixth interface;
7: a seventh interface;
8: a first connection terminal;
9: a second connection terminal;
10: a third connection terminal;
11: a first power interface end;
12: a second power interface end;
13: a first signal interface end;
14: a second signal interface terminal;
15: a first relay;
16: a second relay;
17: a first normally closed relay interface switch;
18: a second normally closed relay interface switch;
20: an eighth interface;
19: a third relay;
21: a first interface;
22: a second interface;
23: a third interface;
24: a fourth interface;
25: a fifth interface;
26: an output of the optical coupler;
a: a rebound switch;
b: an optical coupler;
27: a seventh interface;
28: a sixth interface;
29: a signal input terminal;
30: and a signal output terminal.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Referring to fig. 1, the present embodiment provides a terminal board including a base plate and a general module base welded to the base plate, the general module base having:
the power supply interface is used for connecting an external power supply, the signal interface is used for connecting an external control unit, and the wiring terminal is connected with the signal interface through a signal wire;
the power interface comprises a first power interface end 11 used for connecting the anode of an external power supply and a second power interface end 12 used for connecting the cathode of the external power supply; the first power interface end 11 is connected with a first end of a first wire; the second power interface end 12 is connected to a first end of a second electrical cord.
The signal interface comprises a first signal interface end 13 used for connecting a positive signal sent by an external control unit and a second signal interface end 14 used for connecting a negative signal sent by the external control unit; the first signal interface end 13 is connected with a first end of a first signal line; the second signal interface terminal 14 is connected to a first terminal of a second signal line.
Still be provided with on the general module base: the universal socket is used for plugging external equipment, and the module identification circuit is connected with the second end of the first wire.
The external equipment is any one of a safety barrier, a relay, an isolator and a surge protector.
The module identification circuit is used for cutting off the first signal line and the second signal line under the condition that the module identification circuit is communicated after the universal interface is plugged with external equipment, namely cutting off the signal line under the condition that the module identification circuit is communicated with the second end of the second wire after the universal interface is plugged with the external equipment.
The connecting terminals comprise a first connecting terminal 8 and a second connecting terminal 9; the first connection terminal 8 is connected to a second end of the first signal line; the second connection terminal 9 is connected to a second end of the second signal line.
The universal interface comprises a first interface 1, a second interface 2, a third interface 3, a fourth interface 4, a fifth interface 5, a sixth interface 6 and a seventh interface 7; the first interface 1 is connected with a second end of the first wire; the second interface 2 is connected with the module identification circuit; the third interface 3 is connected with a first end of the first signal line; the fourth interface 4 is connected with the first end of the second signal line; the fifth interface 5 is connected with the second end of the first signal line; the sixth interface 6 is connected with the second end of the second signal line; the seventh interface 7 is connected to ground.
In the embodiment, through researching the pin specification of external equipment (a safety barrier, an isolator, a relay and a surge protector) and an internal electric circuit of a device, a universal hardware interface and an internal circuit of a terminal board are designed aiming at the external equipment, so that the internal electric circuit of the interface and the terminal board can be plugged by one of an optional safety barrier, an isolator, a relay and a surge protector, plug and play can be realized, the whole body is adaptive to field input analog quantity and digital quantity signals, different terminal boards do not need to be selected according to different signals, and the terminal board has the characteristic of multifunction and universality.
Referring to fig. 1, in practical application of the present embodiment, a first normally closed relay interface switch 17 is disposed between two ends of the first signal line; a second normally closed relay interface switch 18 is provided between the two ends of the second signal line.
In practical application of this embodiment, the first signal interface end and the first end of the first signal line are connected by a fuse.
In practical application of this embodiment, a third connection terminal 10 is further disposed on the universal module base, and the third connection terminal 10 is grounded. The external power supply in this embodiment may be 24V.
Referring to fig. 1, in practical application of the present embodiment, the module identification circuit includes: a first diode, a second diode, and a first relay 15 for controlling a first normally closed relay interface switch 17, a second relay 16 for controlling a second normally closed relay interface switch 18 in a state where the module identification circuit is connected.
The second end of the first wire is connected to the cathode of the first diode, the cathode of the second diode, the anode of the first relay 15, and the anode of the second relay 16, respectively.
The anode of the first diode, the anode of the second diode, the cathode of the first relay 15 and the cathode of the second relay 16 are all connected with the fourth interface 4.
Referring to fig. 2, in another embodiment, the module identification circuit includes: a third diode, and a third relay 19 for controlling the first normally closed relay interface switch 17 and the second normally closed relay interface switch 18 in a state where the module identifying circuit is connected.
The second end of the first wire is connected to the cathode of the third diode and the anode of the third relay 19, respectively.
And the anode of the third diode and the cathode of the third relay 19 are both connected with the fourth interface 4.
Specifically, the third relay 19 is a double pole relay.
In the terminal board of the present embodiment, the general module base on the terminal board is provided with: compared with the prior art, the universal plug interface is used for plugging external equipment, and the module identification circuit is connected with the first electric wire, and can be used for cutting off the first signal line and the second signal line in a communicated state after the external equipment is plugged into the universal plug interface through the module identification circuit, so that the external equipment can be plugged into any one of a safety barrier, a relay, an isolator and a surge protector.
For example, the terminal board in this embodiment is provided with a universal socket for plugging external devices, so that the terminal board is used in combination with a safety barrier, a relay, an isolator and a surge protector, and plug and play is realized; for example, when a surge protector is inserted into a terminal board in this embodiment, referring to fig. 3, protection against overvoltage, overcurrent, and pulse isolation of a circuit can be achieved. When the safety barrier is inserted into the terminal board in the embodiment, referring to fig. 8, the normally closed relay interface switch in the node board can be opened and closed, and the signal loop can realize the connection of the safety barrier to the control system. When the safety barrier is pulled out, the pin position of the component triggers the normally closed and normally open contact of the loop to attract or break so as to break the internal path, namely the safety barrier is pulled out and the whole loop is broken. In the embodiment, the ground wire of the terminal board adopts a long and short pin design, so that the internal module identification circuit is started only after external equipment is completely inserted, and normal signal transmission is ensured.
Referring to fig. 3, the present embodiment also provides a surge device including: a surge protector and a terminal board as described above.
The surge protector comprises a first socket 21, a second socket 22 and a third socket 23.
The first socket 21 of the surge protector is connected with the grounding terminal inside the surge protector.
The second interface 22 and the third interface 23 of the surge protector are respectively connected with the piezoresistor inside the surge protector.
The first jack 21, the second jack 22 and the third jack 23 of the surge protector are correspondingly plugged with the fifth interface 5, the sixth interface 6 and the seventh interface 7 in the terminal board one by one.
Referring to fig. 4 and 5, in practical application of the present embodiment, the surge protector further includes: a fourth interface 25, a fifth interface 24.
The fourth socket 25 and the fifth socket 24 are respectively connected with a rebound switch a in the surge protector, and when the rebound switch a is closed, the fourth socket 25 and the fifth socket 24 are communicated with the interior of the surge protector.
When the phenomenon of thunderbolt takes place, under the condition of the continuous short circuit of piezo-resistor among the surge protector, inside overheated melting, rebound switch A among the surge protector this moment can be closed (rebound switch A among the surge protector is the switch including the spring in common surge protector inside on the market), when rebound switch A among the surge protector is closed (fourth interface 25, fifth interface 24 in this embodiment increase the metal contact on original rebound switch, when rebound switch A among the surge protector is closed fourth interface 25, fifth interface 24 are in the inside intercommunication of surge protector), the power switches on drive opto-coupler work.
The general-purpose module base in the terminal board is also provided with an eighth interface 20 and an optocoupler B connected to the eighth interface 20.
The fourth interface 25 and the fifth interface 24 of the surge protector are correspondingly plugged with the first interface 1 and the eighth interface 20 in the terminal board one by one.
The eighth interface 8 is connected to the input of the optical coupler B.
The optical coupler is used for being conducted with an external power supply after a fourth plug port 25 and a fifth plug port 24 in the surge protector are communicated inside the surge protector, and receiving an electric signal input by the external power supply.
Referring to fig. 6, a processing unit is further welded on the bottom plate; the processing unit includes: MCU treater, 485 converter and the signal output interface that connects gradually.
And the MCU processor in the processing unit is connected with the output end of the optical coupler and used for processing the electric signals after the isolation processing, and transmitting the signals processed by the MCU processor to an external control system connected with the signal output interface through the 485 converter and the signal output interface.
Compared with the prior art, the surge device in the embodiment has the advantages that the terminal board and the surge protector can be used, when the surge protector is pulled out, the loop switch in the terminal board does not act, the electrical communication state is still kept, the normal transmission of signals cannot be influenced by the insertion and the pulling of the surge protector, and when the surge protector is inserted into the terminal board, the protection on loop overvoltage, overcurrent and pulse isolation can be realized.
Referring to fig. 8, a safety barrier device includes: a safety barrier and a terminal board as described in any of the above.
The safety barrier is plugged with the terminal board through a first interface 1, a second interface 2, a third interface 3, a fourth interface 4, a sixth interface 6 and a seventh interface 7 of the terminal board.
Referring to fig. 7, the safety barrier further comprises a seventh interface 27 and a sixth interface 28.
The seventh interface 27 and the sixth interface 28 of the safety barrier communicate inside the safety barrier.
The safety barrier is plugged into the terminal board via a seventh plug opening 27, a sixth plug opening 28 and 2 signal inputs 29 and 2 signal outputs 30 of the safety barrier.
Specifically, the seventh socket 27 of the safety barrier is plugged into the first socket 1 of the terminal board.
The sixth plug-in opening 28 of the safety barrier is plugged into the second connection opening 2 of the terminal board.
The 2 signal inputs 29 of the safety barrier are each plugged into the third and fourth connections 3, 4 of the terminal board.
The 2 signal outputs 30 of the safety barrier are each plugged into the fifth and sixth interfaces 5, 6 of the terminal board.
After the safety barrier is inserted, a signal loop on the terminal board is automatically disconnected, signals flow through the safety barrier, and the sixth interface and the seventh interface (signal output connected with the safety barrier) are plugged with the assembling device for the integrated device in the cabinet.
Compared with the prior art, the safety barrier device in the embodiment of the invention has the advantages that the terminal board and the safety barrier are adopted, so that when the safety barrier is pulled out of the terminal board, the safety barrier triggers the normally closed and normally open contact of the circuit of the terminal board to be attracted or disconnected, and the internal passage is disconnected, namely the safety barrier is pulled out and the whole circuit is disconnected.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description of the present specification, the description of "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (10)
1. A terminal board, characterized in that, including the bottom plate and weld the general module base on this bottom plate, be provided with on the general module base:
the power supply interface is used for connecting an external power supply, the signal interface is used for connecting an external control unit, and the wiring terminal is connected with the signal interface through a signal wire;
the power interface comprises a first power interface end used for connecting the anode of an external power supply and a second power interface end used for connecting the cathode of the external power supply; the first power interface end is connected with a first end of a first wire; the second power interface end is connected with a first end of a second wire;
still be provided with on the general module base: the universal plug interface is used for plugging external equipment, and the module identification circuit is connected with the second end of the first wire;
the external equipment is any one of a safety grid, a relay, an isolator and a surge protector;
and the module identification circuit is used for cutting off the signal wire under the condition that the module identification circuit is communicated with the second end of the second wire after the universal interface is plugged with external equipment.
2. The terminal board according to claim 1,
the signal interface comprises a first signal interface end used for connecting a positive signal sent by the external control unit and a second signal interface end used for connecting a negative signal sent by the external control unit;
the first signal interface end is connected with the first end of the first signal wire; the second signal interface end is connected with the first end of the second signal wire;
the connecting terminal comprises a first connecting terminal and a second connecting terminal;
the first connecting terminal is connected with the second end of the first signal wire;
the second connecting terminal is connected with a second end of the second signal wire;
the universal interface comprises a first interface, a second interface, a third interface, a fourth interface, a fifth interface, a sixth interface and a seventh interface; the first interface is connected with a second end of the first wire; the second interface is connected with the module identification circuit; the third interface is connected with the first end of the first signal line; the fourth interface is connected with the first end of the second signal line; the fifth interface is connected with the second end of the first signal line; the sixth interface is connected with the second end of the second signal line; the seventh interface is grounded;
a first normally closed relay interface switch is arranged between two ends of the first signal wire;
and a second normally closed relay interface switch is arranged between two ends of the second signal wire.
3. The terminal board according to claim 2,
the first signal interface end is connected with the first end of the first signal line through a fuse.
4. The terminal board according to claim 3,
the universal module base is also provided with a third wiring terminal, and the third wiring terminal is grounded;
the external power supply is 24V.
5. The terminal board according to claim 4,
the module identification circuit includes: the module identification circuit comprises a first diode, a second diode, a first relay and a second relay, wherein the first relay is used for controlling a first normally closed relay interface switch under the condition that the module identification circuit is communicated;
the second end of the first wire is respectively connected with the cathode of the first diode, the cathode of the second diode, the anode of the first relay and the anode of the second relay;
and the anode of the first diode, the anode of the second diode, the cathode of the first relay and the cathode of the second relay are connected with the fourth interface.
6. The terminal board according to claim 4,
the module identification circuit includes: the third diode and a third relay are used for controlling the first normally closed relay interface switch and the second normally closed relay interface switch in the state that the module identification circuit is communicated;
the second end of the first wire is respectively connected with the cathode of the third diode and the anode of the third relay;
and the anode of the third diode and the cathode of the third relay are both connected with the fourth interface.
7. The terminal board according to claim 6,
the third relay is a double-pole relay.
8. A surge device, comprising: a surge protector and a terminal board according to any one of claims 2 to 7;
the surge protector comprises a first jack, a second jack and a third jack;
the first socket of the surge protector is connected with the grounding end in the surge protector;
the second interface and the third interface of the surge protector are respectively connected with a piezoresistor in the surge protector;
the first jack, the second jack and the third jack of the surge protector are correspondingly plugged with the fifth interface, the sixth interface and the seventh interface in the terminal board one by one.
9. The surge device of claim 8,
still be provided with in the surge protector: a fourth interface and a fifth interface;
the fourth insertion port and the fifth insertion port are respectively connected with a rebound switch in the surge protector, and when the rebound switch is closed, the fourth insertion port and the fifth insertion port are communicated in the surge protector;
the universal module base in the terminal board is also provided with an eighth interface and an optical coupler connected with the eighth interface;
the fourth jack and the fifth jack of the surge protector are correspondingly plugged with the first interface and the eighth interface in the terminal board one by one;
the eighth interface is connected with the input end of the optical coupler;
the optical coupler is used for being communicated with an external power supply after a fourth plug port and a fifth plug port in the surge protector are communicated inside the surge protector, and receiving an electric signal input by the external power supply;
the bottom plate is also welded with a processing unit;
the processing unit includes: the MCU processor, the 485 converter and the signal output interface are connected in sequence;
and the MCU processor in the processing unit is connected with the output end of the optical coupler and used for processing the electric signals after the isolation processing, and transmitting the signals processed by the MCU processor to an external control system connected with the signal output interface through the 485 converter and the signal output interface.
10. A safety barrier device comprising: a safety barrier and a terminal board according to any one of claims 2 to 7;
the safety barrier is spliced with the terminal board through a first interface, a second interface, a third interface, a fourth interface, a sixth interface and a seventh interface of the terminal board;
the safety barrier also comprises a seventh interface and a sixth interface;
the seventh socket and the sixth socket of the safety barrier are communicated inside the safety barrier;
the safety barrier is spliced with the terminal board through a seventh splicing opening, a sixth splicing opening, 2 signal input ends and 2 signal output ends of the safety barrier;
specifically, a seventh interface of the safety barrier is spliced with the first interface of the terminal board;
a sixth jack of the safety barrier is plugged with the second interface of the terminal board;
2 signal input ends of the safety barrier are respectively spliced with a third interface and a fourth interface of the terminal board;
and 2 signal output ends of the safety barrier are respectively spliced with the fifth interface and the sixth interface of the terminal board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210565978.7A CN114665438B (en) | 2022-05-24 | 2022-05-24 | Terminal board and surge device and safety barrier device comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210565978.7A CN114665438B (en) | 2022-05-24 | 2022-05-24 | Terminal board and surge device and safety barrier device comprising same |
Publications (2)
| Publication Number | Publication Date |
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| CN114665438A CN114665438A (en) | 2022-06-24 |
| CN114665438B true CN114665438B (en) | 2022-09-06 |
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| CN202210565978.7A Active CN114665438B (en) | 2022-05-24 | 2022-05-24 | Terminal board and surge device and safety barrier device comprising same |
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| CN114665438A (en) | 2022-06-24 |
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Effective date of registration: 20221110 Address after: 310051 No. 309, Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG SUPCON TECHNOLOGY Co.,Ltd. Patentee after: Zhongkong Zhiwang (Beijing) Energy Technology Co.,Ltd. Address before: 310051 No. 309, Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SUPCON TECHNOLOGY Co.,Ltd. |
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Address after: 310051 No. 309, Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG SUPCON TECHNOLOGY Co.,Ltd. Patentee after: Zhongkong Innovation (Beijing) Energy Technology Co.,Ltd. Address before: 310051 No. 309, Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SUPCON TECHNOLOGY Co.,Ltd. Patentee before: Zhongkong Zhiwang (Beijing) Energy Technology Co.,Ltd. |
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Address after: 310051 No. 309, Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhongkong Technology Co.,Ltd. Patentee after: Zhongkong Innovation (Beijing) Energy Technology Co.,Ltd. Address before: 310051 No. 309, Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SUPCON TECHNOLOGY Co.,Ltd. Patentee before: Zhongkong Innovation (Beijing) Energy Technology Co.,Ltd. |