CN210466116U - AC contactor driving signal feedback device - Google Patents

AC contactor driving signal feedback device Download PDF

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Publication number
CN210466116U
CN210466116U CN201921617679.3U CN201921617679U CN210466116U CN 210466116 U CN210466116 U CN 210466116U CN 201921617679 U CN201921617679 U CN 201921617679U CN 210466116 U CN210466116 U CN 210466116U
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China
Prior art keywords
signal feedback
contactor
alternating current
feedback
action state
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CN201921617679.3U
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Chinese (zh)
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王浚泽
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Henan Hongze Electronic Technology Co ltd
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Henan Hongze Electronic Technology Co ltd
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Abstract

The utility model relates to a driving signal feedback device of an AC contactor, which comprises a linkage part and a feedback component, wherein the feedback circuit at least comprises an action state electric signal feedback unit for inducing the suction and disconnection actions of the AC contactor; the on-board relay or the intermediate relay is not used, so that the space is saved, the structure of a system circuit board and the system wiring are simplified, the system reliability is improved, the system material and the wiring installation cost are reduced, and the purposes of saving the space and reducing the cost are achieved.

Description

AC contactor driving signal feedback device
Technical Field
The utility model relates to an automatic control technical field, in particular to an ac contactor drive signal feedback mechanism that is used for thing networking remote control, PLC autonomous system, uses MCU microcontroller to carry out the drive signal feedback as the autonomous system of core.
Background
In the driving of the alternating current contactor in the prior art, a split external switch connected with a coil of the alternating current contactor in series is used for controlling the attraction and the disconnection of the alternating current contactor, so that the connection and the disconnection of a coil power supply are realized, and the attraction and the disconnection of the alternating current contactor are completed.
In the prior art, when an alternating current contactor needs to be driven in an isolation mode, a small relay or a solid-state relay on or outside a control system circuit board is generally used as a switching element when the technology is used for remote control of the internet of things, a PLC (programmable logic controller) automatic control system, an automatic control system taking an MCU (micro control unit) microcontroller as a core and the like, and action feedback switching value signals are all completed by connecting a longer lead to an auxiliary contact on the alternating current contactor, so that the problems of longer lead, complex wiring structure, abnormal system operation caused by introduction of strong interference pulses at the moment of disconnection or connection of a contactor coil into the automatic control system, high actual construction and installation cost and the like exist.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned problem, provide one kind and install in the isolated coil drive of integration and action signal feedback device with ac contactor to solve among the prior art problem that the lead wire is longer, produce pulse interference, structure complicacy, actual construction cost are high easily, the utility model relates to an ac contactor drive signal feedback mechanism.
The utility model is used for solve above-mentioned problem's technical scheme does: a driving signal feedback device of an alternating current contactor comprises a linkage part and a feedback assembly, wherein a feedback circuit at least comprises an action state electric signal feedback unit for inducing the suction and disconnection actions of the alternating current contactor;
the overload protection module is used for automatically cutting off the circuit when the current is overlarge;
the Internet of things terminal module is used for wirelessly sending feedback information;
the driving and feedback module is used for sensing the action state electric signal feedback unit and driving the terminal module of the Internet of things;
the action state electric signal feedback unit is synchronously linked with the suction and disconnection actions of the alternating current contactor through a linkage piece.
Preferably, the action state electric signal feedback unit comprises a signal transmitting end and a signal receiving end, wherein the signal transmitting end and the signal receiving end are integrated with the outer wall of the alternating current contactor, the signal transmitting end is linked with the linkage piece, and the signal receiving end is electrically connected with the feedback circuit.
Preferably, the linkage is fixedly connected with an armature or a plug core of the alternating current contactor, the outer part of the alternating current contactor is connected with a base, the linkage penetrates through the base and is connected with a sliding plate, and the sliding plate is connected with the switch signal operated piece. The base is provided with a sliding groove extending along the synchronous linkage direction of the linkage piece, and the sliding plate is assembled in the sliding groove in a sliding mode.
Furthermore, the base is connected with a shell in a detachable mode, a circuit board is arranged in the shell, and the action state electric signal feedback unit, the overload protection module, the internet of things terminal module and the driving and feedback module are integrally arranged on the circuit board.
Further, the operating member is a magnetic element or a light shielding plate, and the switching signal operated member is a hall sensing element or a photocoupler.
The beneficial technical effects are as follows: the on-board relay or the intermediate relay is not used, so that the space is saved, the structure of a system circuit board and the system wiring are simplified, the system reliability is improved, the system material and the wiring installation cost are reduced, and the purposes of saving the space and reducing the cost are achieved.
Drawings
FIG. 1 is a schematic view of the structure of the device;
FIG. 2 is a schematic view of the base mounting;
FIG. 3 is a schematic view of the linkage installation;
FIG. 4 is a schematic view of a cartridge structure;
fig. 5 is a schematic view of the base structure.
In the figure, 1 an alternating current contactor, 2 a base, 3 a shell, 4 clamping seats, 5 linkage pieces, 6 a sliding plate, 7 tenons and 8 clamping jaws are arranged.
Detailed Description
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.
An ac contactor driving signal feedback device according to an embodiment is shown in fig. 1 to 5: the feedback circuit at least comprises an action state electric signal feedback unit for inducing the closing and opening actions of the alternating current contactor 1;
the overload protection module is used for automatically cutting off the circuit when the current is overlarge;
the Internet of things terminal module is used for wirelessly sending feedback information;
the driving and feedback module is used for sensing the action state electric signal feedback unit and driving the terminal module of the Internet of things;
the action state electric signal feedback unit is synchronously linked with the suction and disconnection actions of the alternating current contactor 1 through a linkage piece 5.
The action state electric signal feedback unit comprises a signal transmitting end and a signal receiving end which are integrated with the outer wall of the alternating current contactor 1, the signal transmitting end is linked with the linkage piece 5, and the signal receiving end is electrically connected with the feedback circuit.
The on-board relay or the intermediate relay is not used, so that the space is saved, the structure of a system circuit board and the system wiring are simplified, the system reliability is improved, the system material and the wiring installation cost are reduced, and the purposes of saving the space and reducing the cost are achieved.
The linkage piece 5 is fixedly connected with an armature or a plug core of the alternating current contactor 1, the base 2 is connected to the outside of the alternating current contactor 1, the linkage piece 5 penetrates through the base 2 and is connected with the sliding plate 6, and the sliding plate 6 is connected with the signal transmitting end.
The linkage piece 5 is fixedly connected with an armature or a plug core of the alternating current contactor 1, the outer part of the alternating current contactor 1 is connected with the base 2 in a detachable mode, the linkage piece 5 penetrates through the base 2 and is connected with the sliding plate 6, and the sliding plate 6 is connected with the signal transmitting end in a detachable mode.
The base 2 is provided with a shell 3, a circuit board is arranged in the shell 3, and the circuit board comprises a relay unit for controlling a coil power supply switch of the alternating current contactor 1, an action signal feedback unit of the alternating current contactor 1 and input and output terminals.
The side wall of the conventional alternating current contactor 1 (Germany system) is provided with a through hole corresponding to the armature or the insertion core, a shifting block or a shifting sheet linked with the armature or the insertion core is arranged at the through hole to display the state of the alternating current contactor 1, and the linkage piece 5 is correspondingly connected to the shifting block or the shifting sheet.
Because the action signal acquisition mode synchronously linked with the suction action and the disconnection action of the alternating current contactor 1 is integrated, an auxiliary contact of the alternating current contactor 1 is not used for generating an isolated action feedback signal, the action reliability of the Internet of things and the like needing remote or automatic control is more conveniently improved, the wiring of the function is simplified, and the cost is reduced; because the drive signal input and the action signal output of the alternating current contactor 1 both adopt an isolation transmission mode, the pulse interference generated at the moment of attracting and disconnecting the coil of the alternating current contactor 1 is effectively avoided, and the operation reliability of an automatic control system connected with the alternating current contactor is ensured. The on-board relay or the intermediate relay is not used, so that the space is saved, the structure of a system circuit board and the system wiring are simplified, the system reliability is improved, the system material and the wiring installation cost are reduced, and the purposes of saving the space and reducing the cost are achieved.
Example two this example is substantially the same as the above embodiment, except that: furthermore, the base 2 is provided with a sliding groove extending along the synchronous linkage direction of the linkage member 5, and the sliding plate 6 is slidably assembled in the sliding groove. The signal transmitting end is detachably connected to the sliding plate 6.
Realize spacingly through the spout to the slide, guarantee stability and the accuracy nature of signal emission end along with the slide linkage.
Example three this embodiment is substantially the same as the above embodiment, except that: the base 2 is connected with a shell 3 in a detachable mode, a circuit board is arranged in the shell 3, and the action state electric signal feedback unit, the overload protection module, the internet of things terminal module and the driving and feedback module are integrally arranged on the circuit board.
The operating piece is placed in the clamping seat 4, and a clamping jaw 8 correspondingly assembled with the sliding plate 6 extends out of the clamping seat 4. The claw 8 is used for assembling the sliding plate 6 in a snap fastener mode, so that the structure is simple, and the disassembly and the assembly are convenient. The operating part is a magnetic element or a light screen, and the switching signal operated part is a Hall sensing element or a photoelectric coupler.
The lateral part of the base 2 extends out to form a dovetail tenon 7, the lateral wall of the alternating current contactor 1 is provided with a matching groove of the tenon 7, the tenon 7 matched with the groove of the conventional alternating current contactor 1 for installation is arranged, and the installation and the disassembly are convenient, and the replacement and the assembly are convenient.
The design integrates, realizes the installation through base 2 to casing 3, simple structure, and modular design has extremely strong installation convenience, has simplified the assembly degree of difficulty.
Furthermore, the signal transmitting end is placed in the card holder 4, and the card holder 4 is extended with a claw 8 correspondingly assembled with the sliding plate 6. The claw 8 is used for assembling the sliding plate 6 in a snap fastener mode, so that the structure is simple, and the disassembly and the assembly are convenient.
The lateral part of the base 2 extends out to form a dovetail tenon 7, the lateral wall of the alternating current contactor 1 is provided with a matching groove of the tenon 7, the tenon 7 matched with the groove of the conventional alternating current contactor 1 for installation is arranged, and the installation and the disassembly are convenient, and the replacement and the assembly are convenient.
The above-described embodiments are only some of the embodiments of the present invention, and it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present invention, and still fall within the scope of the present invention.

Claims (6)

1. The utility model provides a ac contactor drive signal feedback device, includes linkage and feedback assembly, characterized by: the feedback component at least comprises an action state electric signal feedback unit for inducing the suction and disconnection actions of the alternating current contactor;
the overload protection module is used for automatically cutting off the circuit when the current is overlarge;
the Internet of things terminal module is used for wirelessly sending feedback information;
the driving and feedback module is used for sensing the action state electric signal feedback unit and driving the terminal module of the Internet of things;
the action state electric signal feedback unit is synchronously linked with the suction and disconnection actions of the alternating current contactor through a linkage piece.
2. The ac contactor drive signal feedback device according to claim 1, wherein: the action state electric signal feedback unit comprises a switching signal operated piece integrated on the outer wall of the alternating current contactor and a feedback circuit unit which generates an action state electric signal along with the operation of the operated piece.
3. The ac contactor drive signal feedback device according to claim 2, wherein: the linkage piece is fixedly connected with an armature or a plug core of the alternating current contactor, the base is connected to the outer portion of the alternating current contactor, the linkage piece penetrates through the base and is connected with a sliding plate, and the sliding plate is connected with a switch signal operated piece.
4. The ac contactor drive signal feedback device according to claim 3, wherein: the base is provided with a sliding groove extending along the synchronous linkage direction of the linkage piece, and the sliding plate is assembled in the sliding groove in a sliding mode.
5. The ac contactor drive signal feedback device according to claim 4, wherein: the base is connected with a shell in a detachable mode, a circuit board is arranged in the shell, and the action state electric signal feedback unit, the overload protection module, the Internet of things terminal module and the driving and feedback module are integrally arranged on the circuit board.
6. The ac contactor drive signal feedback device according to any one of claims 1 to 3, wherein: the operating part is a magnetic element or a light screen, and the switching signal operated part is a Hall sensing element or a photoelectric coupler.
CN201921617679.3U 2019-09-26 2019-09-26 AC contactor driving signal feedback device Active CN210466116U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921617679.3U CN210466116U (en) 2019-09-26 2019-09-26 AC contactor driving signal feedback device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921617679.3U CN210466116U (en) 2019-09-26 2019-09-26 AC contactor driving signal feedback device

Publications (1)

Publication Number Publication Date
CN210466116U true CN210466116U (en) 2020-05-05

Family

ID=70435275

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921617679.3U Active CN210466116U (en) 2019-09-26 2019-09-26 AC contactor driving signal feedback device

Country Status (1)

Country Link
CN (1) CN210466116U (en)

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