CN218101022U

CN218101022U - Multi-output form sharing module

Info

Publication number: CN218101022U
Application number: CN202222149852.XU
Authority: CN
Inventors: 戴天鸿
Original assignee: Dongguan Ailifu Technology Co ltd
Current assignee: Dongguan Ailifu Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-12-20
Anticipated expiration: 2032-08-16

Abstract

The utility model relates to a two-wire system switching signal conversion field discloses a many output forms sharing module, include: the connecting end of the two-wire switch is provided with a standard plug; the shared modules are capable of being converted into different output modes, and the connecting ends of the shared modules are respectively provided with a uniform standard interface; the standard plug is connected with the standard interface so that the two-wire switch is in communication connection with one of the plurality of sharing modules, the sharing module is used for receiving the electric signals generated by the two-wire switch and converting the electric signals, the output form is changed by replacing different sharing modules, the two-wire switch and the sharing module only need to be in butt joint with the standard plug and the standard interface, and therefore the two-wire switch can be connected with the sharing modules in different output forms in a replaceable mode, the butt joint is easy, management and maintenance are facilitated, the production cost and the inventory cost are reduced, and the resource utilization rate is improved.

Description

Multi-output form sharing module

Technical Field

The utility model relates to a two line system switching signal conversion field especially relates to a many output form sharing module.

Background

The existing switches have multiple output modes, such as a two-wire switch, a three-wire NPN output normally-open switch, a three-wire NPN output normally-closed switch, a three-wire PNP output normally-open switch, a three-wire PNP output normally-closed switch, etc., electronic components required by different output modes in the use process are different, and manufacturers need to design various special circuit boards and assembly parts, so that various switches in different types need to be configured with various special circuit boards and assembly parts due to the various requirements of the output modes, so that the inventory is increased, the management and maintenance are inconvenient, the production cost is high, and the resource waste is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the above-mentioned inadequacy aims at providing a technical scheme that can solve above-mentioned problem.

A multi-output form sharing module, comprising: the system comprises a two-wire switch, a standard plug and a control circuit, wherein the connecting end of the two-wire switch is provided with the standard plug; the shared modules can be converted into different output modes, and the connecting ends of the shared modules are respectively provided with a uniform standard interface; the standard plug is connected with the standard interface so that the two-wire switch is in communication connection with one of the sharing modules, and in the two-wire switch and the sharing module which are in communication connection with each other, the sharing module is used for receiving the electric signals generated by the two-wire switch, converting the electric signals and changing the output form by replacing different sharing modules.

Compared with the prior art, the beneficial effects of the utility model are that: the two-wire switch and the sharing module only need to be in butt joint with a standard plug and a standard interface, so that the two-wire switch can be in switching connection with the sharing module with different output forms, the butt joint is easy, the management and the maintenance are facilitated, the production cost and the inventory cost are reduced, and the resource utilization rate is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic circuit diagram according to a first embodiment of the present invention.

Fig. 3 is a schematic circuit diagram according to a second embodiment of the present invention.

Fig. 4 is a circuit schematic diagram of a third embodiment of the present invention.

Fig. 5 is a schematic circuit diagram according to a fourth embodiment of the present invention.

Fig. 6 is a schematic circuit diagram of an embodiment of the present invention, which is applied to a PLC.

Fig. 7 is a schematic circuit diagram of a PLC according to a second embodiment of the present invention.

Fig. 8 is a schematic circuit diagram of a PLC according to a third embodiment of the present invention.

Fig. 9 is a schematic circuit diagram of a PLC to which the fourth embodiment of the present invention is applied.

Fig. 10 is a schematic circuit diagram of a two-wire proximity sensor switch of the present invention.

Fig. 11 is a schematic circuit diagram of a two-wire photoelectric inductive switch of the present invention.

Fig. 12 is a schematic circuit diagram of a two-wire microswitch of the invention.

In the figure: 1. the system comprises a two-wire switch, 2, a standard plug, 3, a shared module, 4, a standard interface, 5, an output end, 6, a programmable logic controller, 7, a proximity sensor main loop, 8 and a photoelectric sensor main loop.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first", "second", etc. in this application are used to distinguish different objects, and are not used to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. It should be noted that when an element is fixed to another element, it includes fixing the element directly to the other element, or fixing the element to the other element through at least one other element interposed therebetween. When a component is connected to another component, it includes connecting the component directly to the other component or connecting the component to the other component through at least one intervening other component.

Referring to fig. 1, in an embodiment of the present invention, a multi-output sharing module includes:

the two-wire switch 1 can be any two-wire electronic type contactless switch or any two-wire mechanical type contact switch, specifically, the two-wire switch 1 is one of a two-wire magnetic induction switch, a two-wire proximity induction switch, a two-wire photoelectric induction switch or a two-wire microswitch, and a standard plug 2 is arranged at the connecting end of the two-wire switch 1;

the device comprises a plurality of sharing modules 3 which can be converted into different output modes, wherein the connecting ends of the sharing modules 3 are respectively provided with a uniform standard type interface 4;

a first wire is connected between the connecting end of the two-wire switch 1 and the standard plug 2, and a second wire is connected between the connecting end of the sharing module 3 and the standard interface 4;

the standard plug 2 and the standard interface 4 are connected with the standard interface 4 through the standard plug 2, so that the two-wire switch 1 is in communication connection with one of a plurality of sharing modules 3, in the two-wire switch 1 and the sharing module 3 which are in communication connection with each other, the sharing module 3 is used for receiving an electric signal generated by the two-wire switch 1 and converting the electric signal, and the output form is changed by replacing different sharing modules 3; it is worth mentioning that the sharing module 3 is further provided with an output end 5 and can output the converted electric signal, and the output end 5 is connected with an output lead wire.

Example one

Referring to fig. 2, the two-wire switch 1 is a two-wire magnetic inductive switch, and the shared module 3 includes an NPN normally-open converter circuit.

The two-wire magnetic induction switch circuit includes: the voltage stabilizing chip U1, magnetic induction chip U2, zener diode ZD11, resistance R21, electric capacity C11, electric capacity C21, triode Q11, triode Q3 and LED, two line type magnetism inductive switch circuit's positive pole circuit, negative pole circuit respectively with the standard type plug be connected, wherein: the LED drive circuit comprises a capacitor C11 and a voltage stabilizing diode ZD11 which are connected in parallel, wherein two ends of the capacitor C11 are respectively connected with a positive electrode line and a negative electrode line, the capacitor C11 plays a role of power supply and signal filtering, the voltage stabilizing diode ZD11 plays a role of absorbing a surge protection circuit, a V + end of a voltage stabilizing chip U1 is connected to the positive electrode line, an OUT end of the voltage stabilizing chip U1 is connected with a V + end of a magnetic induction chip U2 to provide a voltage stabilizing power supply of the magnetic induction chip, a connection point of a line between the OUT end of the voltage stabilizing chip U1 and the V + end of the magnetic induction chip U2 is connected with the capacitor C21 to play a role of filtering of the voltage stabilizing power supply and is connected to the negative electrode line through the capacitor C21, a G (GND) end of the voltage stabilizing chip U1 and a G (GND) end of the magnetic induction chip U2 are respectively connected to the negative electrode line, the OUT end of the magnetic induction chip U2 is connected with a resistor R21, the base electrode of the triode Q3 is connected with a drive current, an emitter electrode of the triode Q3 is connected to the negative electrode line, one end of the resistor R11 is connected to the negative electrode line, and the emitter electrode line of the triode Q11 to provide a drive current for the triode Q11, and the triode Q11, the triode Q3, the triode Q11 is connected with the action of the triode Q11, and the triode Q3, the triode Q3 is connected with the triode Q11, and the triode Q3 is connected with the triode Q11;

the NPN normally-open converter is provided with a standard interface 4 connected with the input, and an output OUT NPN/NO connected with a power supply positive electrode V +, a power supply negative electrode V-and a conversion signal. The NPN normally-open converter circuit comprises: the circuit comprises a resistor R21, a resistor R22, an N-type field effect transistor Q21, a voltage stabilizing diode ZD21 and a diode D21, wherein one end of the resistor R21 is connected to a positive electrode (V +) line of a power supply, the other end of the resistor R21 is connected with a standard interface 4, the resistor R21 is used as a load of the two-wire switch to provide power supply and limit current, the NPN normally-open converter circuit further comprises an input line connected to the standard interface 4 and connected to a current input end of the two-wire switch, the resistor R22 is connected to a grid and a source of the N-type field effect transistor Q21 in parallel, when the two-wire switch 1 is switched on, an output current flows through the resistor R22 and the D21 and then flows to a negative electrode V-, R22 of the power supply to generate voltage drop between the grid and the source of the N-type field effect transistor Q21, so that the drain and the source of the N-type field effect transistor Q21 are switched on and output conversion signals through an output end of an NPN/NO, the diode D21 is connected to the negative electrode V-, the voltage stabilizing diode ZD21 is connected to a drain and a positive electrode V-, a surge protection circuit (P-type field effect (P-) which absorbs surge protection circuit (P) and can be used in a surge protection process control circuit (PLC (a surge protection circuit, and a PLC (NO) which can be used in a surge process such as a surge protection circuit, a surge process of a PLC (a PLC (NO) and a surge process can be used in which can be controlled by a surge process.

Example two

Referring to fig. 3, the two-wire switch 1 is a two-wire magnetic inductive switch, and the shared module 3 includes an NPN normally closed converter circuit, where the two-wire magnetic inductive switch is the same as the first embodiment;

the NPN normally closed converter is provided with a standard interface 4 connected with the input, and an output OUT NPN/NC connected with a power supply positive electrode V +, a power supply negative electrode V-and a conversion signal. The NPN normally-closed converter circuit comprises: the circuit comprises a resistor R31, a resistor R32, a voltage stabilizing diode ZD31, a voltage stabilizing diode ZD32, an NPN type triode Q31 and a diode D31, wherein one end of the resistor R31 is connected to a positive (V +) line of a power supply, the other end of the resistor R31 is connected with a standard interface 4, the resistor R31 is used as a load of the two-wire switch and plays a role in providing power supply and current limiting, and when the two-wire switch 1 is not operated and conducted, the resistor R31 conducts current through the voltage stabilizing diode ZD32 and provides base driving current of the NPN type triode Q31, so that a collector and an emitter of the NPN type triode Q31 are conducted, and a normally closed switch signal is output through a collector connecting output end OUT NPN/NC of the NPN type triode Q31. When the two-wire switch 1 is conducted, the voltage of the cathode of the voltage stabilizing diode ZD32 is pulled down to the potential V-of the cathode of a power supply, the conduction voltage drop of the two-wire switch 1 is generally between about 0V and 2.6V, and because the reverse conduction voltage of the voltage stabilizing diode ZD32 is greater than the conduction voltage drop of the two-wire switch 1, the voltage stabilizing diode ZD32 is not conducted and cannot provide the base current of the NPN type triode Q31, the collector and the emitter of the NPN type triode Q31 are not conducted, and the collector of the NPN type triode Q31 is connected with the output end OUT NPN/NC to output a normally closed switch action conversion signal. When the voltage stabilizing diode ZD31 is not conducting, the resistor R32 pulls the base voltage of the NPN-type triode Q31 to a low potential, so that the NPN-type triode Q31 is in a stable non-conducting state, the diode D31 is connected in series to the negative electrode V-of the power supply, which plays a role in protecting the power supply from a wrong polarity connection, the voltage stabilizing diode ZD31 is connected in parallel to the collector and emitter of the NPN-type triode Q31, which plays a role in absorbing a surge and protecting the NPN-type triode Q31, as shown in fig. 7, in an actual use process, a positive power source terminal (V +), an output terminal (OUT NPN/NC) and a negative power source terminal (V-) of the NPN normally-closed converter circuit can be connected to the programmable logic controller 6 (PLC).

EXAMPLE III

Referring to fig. 4, the two-wire switch 1 is a two-wire magnetic inductive switch, and the shared module 3 includes a PNP normally-open converter circuit, wherein the two-wire magnetic inductive switch circuit is the same as the first embodiment;

the PNP normally-open converter is provided with a standard interface 4 connected with the input, and an output OUT PNP/NO connected with the positive pole V + of the power supply, the negative pole V-of the power supply and a conversion signal. The PNP normally-open converter circuit includes: a resistor R41, a resistor R42, a diode D41, a P-type field effect transistor Q41 and a voltage stabilizing diode ZD41, wherein, one end of the resistor R41 is connected with a negative pole (V-) line of a power supply, the other end of the resistor R41 is connected with a standard interface 4, the resistor R41 is used as a load of the two-wire switch to provide a power supply loop and limit current, the PNP normally open converter circuit also has another input line connected with the standard interface 4 to be connected with a current output end of the two-wire switch, the resistor R42 is connected with a drain electrode and a grid electrode of the P-type field effect transistor Q41 in parallel, when the two-wire switch 1 is conducted, the output (inflow) current flows to the two-wire switch 1 from the positive pole V + of the power supply and flows through the D41 and the R42, R42 generates voltage drop between the drain and the grid of the P-type field effect transistor Q41, so that the drain and the source of the P-type field effect transistor Q41 are conducted, and are connected with an output end OUT PNP/NO through the source to output a conversion signal, a diode D41 is connected to the positive electrode V + of the power supply in series, the protection effect of preventing the wrong wiring of the polarity of the power supply is achieved, a voltage stabilizing diode ZD41 is connected to the drain and the source of the P-type field effect transistor Q41 in parallel, the effect of absorbing surge and protecting the P-type field effect transistor Q41 is achieved, and as shown in figure 8, in the actual use process, a positive power source end (V +), an output end OUT PNP/NO and a negative power source end (V-) of the PNP normally-open type converter circuit can be connected to a programmable logic controller 6 (PLC).

Example four

Referring to fig. 5, the two-wire switch 1 is a two-wire magnetic inductive switch, and the shared module 3 includes a PNP normally-closed converter circuit, where the two-wire magnetic inductive switch is similar to the first embodiment;

the PNP normally-closed converter is provided with a standard interface 4 connected with an input, and an output OUT PNP/NC connected with a power supply positive electrode V +, a power supply negative electrode V-and a conversion signal. The PNP normally-off converter circuit includes: the circuit comprises a resistor R51, a resistor R52, a resistor R53, a voltage stabilizing diode ZD51, a voltage stabilizing diode ZD52, a PNP type triode Q51 and a diode D51, wherein one end of the resistor R53 is connected to a negative electrode (V-) circuit of a power supply, the other end of the resistor R53 is connected with a standard interface 4, the resistor R53 is used as a load of the two-wire switch and plays a role in providing power supply and current limiting, and when the two-wire switch 1 is not operated and conducted, the resistor R53 is connected with the voltage stabilizing diode ZD52 in series through the resistor R51 to conduct current and provide base driving current of the PNP type triode Q51, so that an emitter and a collector of the PNP type triode Q51 are conducted, and the collector of the PNP type triode Q51 is connected with an output end OUT/NC through the collector of the PNP type triode Q51 to output a normally closed switch signal. When the two-wire switch 1 is switched on, the positive electrode potential of the voltage stabilizing diode ZD52 is pulled up to the positive electrode V + potential of the power supply through the resistor R51 which is connected in series, the conduction voltage drop of the two-wire switch 1 is generally between 0V and 2.6V, and the reverse conduction voltage of the voltage stabilizing diode ZD52 is greater than the conduction voltage drop of the two-wire switch 1, so that the voltage stabilizing diode ZD52 is not conducted, the base current of the PNP type triode Q51 cannot be provided, the emitter and the collector of the PNP type triode Q51 are not conducted, and the collector of the PNP type triode Q51 is connected with the output end OUT PNP/NC to output a normally closed switch action switching signal. When the voltage stabilizing diode ZD51 is not conducting, the resistor R52 pulls up the base potential of the PNP triode Q51 to the positive V + potential of the power supply, so that the PNP triode Q51 is in a stable non-conducting state, the diode D51 is connected in series to the positive V + potential of the power supply, which plays a role in protecting the polarity of the power supply from being incorrectly connected, the voltage stabilizing diode ZD51 is connected in parallel to the emitter and collector of the PNP triode Q51, which plays a role in absorbing surge surges and protecting the PNP triode Q51, as shown in fig. 9, during actual use, the positive power source terminal (V +), the output terminal (OUT NPN/NC) and the negative power source terminal (V-) of the PNP normally-closed converter circuit can be connected to the programmable logic controller 6 (PLC).

The sharing module 3 in the first to fourth embodiments is arranged in a shell with uniform shape and size;

as shown in fig. 10, 11 and 12, a two-wire proximity inductive switch including the proximity sensor main circuit 7, a two-wire photoelectric inductive switch including the photoelectric sensor main circuit 8, and a two-wire micro switch, respectively, may be substituted for the two-wire magnetic inductive switch in the first to fourth examples of the above examples according to use needs.

It should be noted that, in the technical solution of the present application, circuits of the two-wire switch are well known to those skilled in the art, and only the standard plug 2 and the standard interface 4 need to be butted, so that one two-wire switch 1 can be selectively connected to different sharing modules 3 to implement sharing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A multi-output form sharing module, comprising:

the connecting end of the two-wire switch is provided with a standard plug;

the shared modules are capable of being converted into different output modes, and the connecting ends of the shared modules are respectively provided with a uniform standard interface;

the standard plug is connected with the standard interface so that the two-wire switch is in communication connection with one of the sharing modules, and in the two-wire switch and the sharing module which are in communication connection with each other, the sharing module is used for receiving the electric signals generated by the two-wire switch, converting the electric signals and changing the output form by replacing different sharing modules.

2. A multi-output form sharing module according to claim 1, wherein: the standard plug and the standard interface conform to IEC61076-2-104 protocol specifications.

3. The multi-output form sharing module of claim 1, wherein: the two-wire switch is any two-wire electronic contactless switch or any two-wire mechanical contact switch.

4. A multi-output form sharing module according to claim 3, wherein: the sharing module comprises an NPN normally-open converter circuit, and the NPN normally-open converter circuit is connected with the standard interface.

5. A multi-output form sharing module according to claim 3, wherein: the sharing module comprises an NPN normally closed converter circuit, and the NPN normally closed converter circuit is connected with the standard interface.

6. A multi-output form sharing module according to claim 3, wherein: the sharing module comprises a PNP normally-open converter circuit, and the PNP normally-open converter circuit is connected with the standard interface.

7. A multi-output form sharing module according to claim 3, wherein: the shared module comprises a PNP normally-closed converter circuit, and the PNP normally-closed converter circuit is connected with the standard interface.

8. A multi-output form sharing module according to any one of claims 4-7, wherein: and a first electric wire is connected between the connecting end of the two-wire switch and the standard plug, and a second electric wire is connected between the connecting end of the sharing module and the standard interface.

9. The multi-output form sharing module of claim 8, wherein: the sharing module is provided with an output end and can output the converted electric signal.