CN214228223U - Multi-path electronic contactor and transmission system - Google Patents
Multi-path electronic contactor and transmission system Download PDFInfo
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- CN214228223U CN214228223U CN202120223762.3U CN202120223762U CN214228223U CN 214228223 U CN214228223 U CN 214228223U CN 202120223762 U CN202120223762 U CN 202120223762U CN 214228223 U CN214228223 U CN 214228223U
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Abstract
The utility model relates to the technical field of contactors, and provides a multi-path electronic contactor and a transmission system, wherein the electronic contactor comprises a signal source terminal, a communication PCB, an electronic contactor PCB and a plurality of power output terminals; communication PCB with electronic contactor PCB electricity is connected, and is a plurality of power output terminal sets up side by side electronic contactor PCB's first edge, signal source terminal sets up electronic contactor PCB's second edge, communication PCB is used for the basis input signal control of signal source terminal input the output signal of power output terminal output, it is a plurality of power output terminal with signal source terminal passes through electronic contactor PCB electricity is connected. The multi-path electronic contactor provided by the application optimizes the structural layout of common contactors by using the PCB, and solves the problems of large occupied space, large wiring workload and poor expansibility due to the fact that a plurality of contactors are connected by adopting a lead.
Description
Technical Field
The utility model relates to a contactor technical field especially relates to a multichannel electronic contactor and transmission system.
Background
Contactors are one of the important components in automatic control systems. The function of common contactor is comparatively single, needs integrated a plurality of contactors when needs realize a plurality of functions. In the process, a plurality of wires are needed to be used for connecting a plurality of contactors in order to integrate the plurality of contactors, and although the plurality of contactors are communicated by using the connecting mode to realize a plurality of functions, a plurality of problems are caused at the same time, for example, the occupied space is large due to the fact that the plurality of contactors are connected by using the wires; connecting a plurality of contactors increases the workload of wiring and is easy to cause lead connection errors or unreliable connection; if a plurality of connected contactors are added or reduced, the connected wires are detached and then connected again, and the connection mode causes the problem of poor expansibility and the like.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides a multi-path electronic contactor and a transmission system, which aims to solve the problems of large occupied space and large wiring workload caused by connecting a plurality of contactors by wires, and improve the expansibility of the contactors.
In order to achieve the above object, in a first aspect, the present application provides a multi-path electronic contactor, which includes a signal source terminal, a communication PCB, an electronic contactor PCB, and a plurality of power output terminals; communication PCB with electronic contactor PCB electricity is connected, and is a plurality of power output terminal sets up side by side electronic contactor PCB's first edge, signal source terminal sets up electronic contactor PCB's second edge, communication PCB is used for the basis input signal control of signal source terminal input the output signal of power output terminal output, it is a plurality of power output terminal with signal source terminal passes through electronic contactor PCB electricity is connected.
It is a plurality of power output terminal sets up side by side on electronic contactor PCB's the first edge, not only made things convenient for the connection to be in alternating current motor's on the power output terminal plug, it is a plurality of through arranging in order moreover power output terminal can promote overall design's aesthetic property.
Optionally, the first edge and the second edge are two opposite edges on the electronic contact PCB. The design can effectively separate the input end from the output end, and the confusion of the input end and the output end is avoided.
Optionally, the signal source terminal includes a ground terminal, a high-level signal source terminal, and a low-level signal source terminal.
Optionally, the electronic contactor further comprises a power terminal and a power supply PCB, the power supply PCB is electrically connected with the electronic contactor PCB, the power supply PCB is used for supplying electric energy to the electronic contactor, and the power terminal is arranged on the second edge of the electronic contactor PCB.
Optionally, the power supply terminals include a three-phase power supply terminal and a power supply terminal.
Optionally, the electronic contactor further comprises a casing, and the casing is provided with mounting avoiding holes corresponding to the signal source terminal, the power supply terminal and the plurality of power output terminals respectively.
Optionally, the installation avoiding hole corresponding to the power output terminal is located on a first side surface of the casing, the installation avoiding hole corresponding to the signal source terminal is located on a second side surface of the casing, and a heat dissipation hole is formed in a third side surface of the casing, which is located between the first side surface and the second side surface.
The electronic contactor provided by the application optimizes the structural layout of a common contactor by using the PCB, the electronic contactor takes the electronic contactor PCB as a base, a communication PCB is inserted on the electronic contactor PCB, and a signal source terminal is locked and arranged on the electronic contactor PCB to be used as a control part of the contactor; and inserting a power supply PCB on the electronic contactor PCB, and locking and setting a power supply terminal on the electronic contactor PCB to serve as a power supply part of the contactor. The problems that in the prior art, occupied space is large due to the fact that a plurality of contactors are connected through wires, connection of the plurality of contactors increases the workload of wiring, the connection of the wires is prone to being wrong or unreliable, and the expansibility is poor due to the fact that the wires need to be disconnected when functions are changed are solved through the electric connection of the devices.
In a second aspect, embodiments of the present application provide a transmission system, which includes a common bus rack and the electronic contactor; the common bus rack is respectively provided with common bus contacts corresponding to the signal source terminal and the power supply terminal; the signal source terminal is connected with a common bus signal source contact on the common bus rack in a plug-in manner, and the power terminal is connected with a common bus power source contact on the common bus rack in a plug-in manner.
Optionally, a sliding groove is further formed in the third side face, the sliding groove is connected with a sliding rail on the common bus rack in a sliding mode, and the heat dissipation holes correspond to the heat dissipation holes in the common bus rack.
Optionally, the system further includes an ac motor, and the ac motor is connected to the power output terminal exposed to the mounting avoiding hole.
Through the transmission system that this application embodiment provided, when realizing a certain function, AC motor can the direct access transmission system in, realizes the control to AC motor through the control signal that a certain function corresponds. Therefore, the functions are realized without complicated wiring, so that the problem of large wiring workload is effectively solved, and the expansibility of the contactor is improved.
Drawings
Fig. 1 is a schematic view of an overall structure of a multi-path electronic contactor provided in an embodiment of the present application without a housing;
fig. 2 is a schematic view illustrating a partial module structure of a multi-path electronic contactor according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a multi-path electronic contactor according to an embodiment of the present application after a housing is added;
FIG. 4 is a schematic diagram of a rear view of a multi-way electrical contactor according to an embodiment of the present application;
fig. 5 is a schematic diagram of an embodiment of the present application illustrating an application of a multi-path electronic contactor;
fig. 6 is a schematic view of a partial structure of a common bus rack in a multi-path electronic contactor according to an embodiment of the present disclosure.
Description of reference numerals:
300-an electronic contactor; 1-a machine shell;
2-a signal source terminal; 21-a ground terminal;
22-high level signal source terminal; 23-low level signal source terminal;
3-electronic contactor PCB; 4-a communication PCB;
5-a power supply terminal; 6-power supply PCB;
7-mounting a position avoiding hole on the signal source terminal; 8-power supply terminal installation avoiding holes;
9-heat dissipation holes; 10-power supply output terminal;
11-common bus frame; 12-the power output terminal is provided with a clearance hole.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are a module embodiment of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The function of common contactor is comparatively single, needs integrated a plurality of contactors when needs realize a plurality of functions. In the process, a plurality of wires are needed to connect a plurality of contactors for integrating the plurality of contactors, and although the plurality of contactors are communicated in the connecting mode to realize a plurality of functions, a plurality of problems are caused, for example, the occupied space is large due to the fact that the plurality of contactors are connected through the wires; the workload of wiring is increased by connecting a plurality of contactors, so that the connection of wires is easy to make mistakes or unreliable; if a plurality of connected contactors are added or reduced, the connected wires must be reconnected after being detached again, and such a connection mode causes a problem of poor expansibility.
In order to solve the above technical problem, an embodiment of the present invention provides an electronic contactor, wherein a communication PCB is plugged into an electronic contactor PCB and a signal source terminal is locked to form a control portion; the power supply part is formed by inserting a power supply PCB and locking and setting a power supply terminal on the electronic contactor PCB; the power supply part supplies power to the contactor, and the control part controls the external equipment. Adopt the pluggable mode of an electronic contactor utilization that this application provided like this to connect the connector and reduced the wiring volume, promoted electronic contactor's scalability, solved and adopted the wire to connect a plurality of contactors and lead to the problem that occupation space is big.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Fig. 1 is a schematic diagram of an overall structure of an electronic contactor provided in an embodiment of the present application, the electronic contactor including a signal source terminal 2, a communication PCB4, an electronic contactor PCB3, and a plurality of power output terminals 10; the communication PCB4 is electrically connected to the electronic contactor PCB3, the power output terminals 10 are disposed side by side at a first edge of the electronic contactor PCB3, the signal source terminal 2 is disposed at a second edge of the electronic contactor PCB3, the communication PCB4 is configured to control output signals output by the power output terminals 10 according to input signals input by the signal source terminal 2, and the power output terminals 10 and the signal source terminal 2 are electrically connected through the electronic contactor PCB 3.
It should be understood that a Printed Circuit Board (PCB), also called a Printed Circuit Board, is one of the important components in the electronic industry, and the PCB is used to electrically interconnect the components, so that the components can be assembled more conveniently, and the cost of consumed materials can be reduced.
It should be understood that terminals, also known as wire terminals, are widely used in various fields, serve to transmit electrical signals and to make electrically conductive connections, and are components connected to external conductors.
Set up a plurality of power output terminal 10 side by side on the first edge of electronic contactor PCB3, the alternating current motor plug of convenient connection on power output terminal 10, and can increase the aesthetic property of design.
Optionally, the first edge and the second edge are opposite edges on the electrical contact PCB 3. The design can effectively separate the input end from the output end, and is beneficial to the use of the electronic contactor in a practical transmission system.
The above-mentioned electronic contactor further includes a power terminal 5 and a power PCB6, the power PCB6 is electrically connected with the electronic contactor PCB3, the power terminal 5 is disposed on a second edge of the electronic contactor PCB 3; the power PCB6 is used to provide power to the electrical contacts.
As is clear from fig. 1, the signal source terminal 2 includes a ground terminal 21, a high-level signal source terminal 22, and a low-level signal source terminal 23.
It should be understood that, in practical applications, the ground terminal 21 is indicated by the symbol PE, the high-level signal source terminal 22 is indicated by the symbol CANH, and the low-level signal source terminal 23 is indicated by the symbol CANL.
Similarly, the power supply terminals 5 include a three-phase power supply terminal and a power supply terminal. The three-phase power supply terminal can provide three power supplies with the same frequency, the same amplitude and the same phase difference of 120 degrees in sequence, and is used for controlling the turn-off of external equipment connected to the plurality of power output terminals 10. For ease of understanding, the terminals of the three-phase four-wire system shown in fig. 1 are respectively designated 51, 52, 53, 54, and in practical applications, 51 may be designated by symbol R, 52 may be designated by symbol S, 53 may be designated by symbol T, and 54 may be designated by symbol N, where R, S and T are three-phase line entries and N is a zero-line entry. Similarly, the power supply terminals shown in fig. 1 are labeled 55 and 56 for ease of understanding, 55 being the positive pole of the input power source, i.e., "+", and 56 being the negative pole of the input power source, i.e., "-", and the power supplied through 55 and 56 can provide power to the electrical contactor.
Optionally, the power supply portion supports 380V or 24V. The present application does not limit the value of the voltage provided by the power supply.
It will be understood that the signal source terminal 2 and the power source terminal 5 are respectively locked and disposed on the electronic contactor PCB 3. The locking manner may be to fix the signal source terminal 2 and the power terminal 5 on the electronic contactor PCB3 by using screws, or to fix the signal source terminal 2 or the power terminal 5 on the electronic contactor PCB3 by using a welding manner, which is not limited in this application.
In order to more clearly view the local module of the electronic contactor, after the signal source terminal 2 and the power source terminal 5 are removed, the remaining components of the electronic contactor PCB3, the communication PCB4 and the power source PCB6 are connected with reference to fig. 2, as shown in fig. 2, which is an exploded view of the local module of the electronic contactor provided by the embodiment of the present application, the communication PCB4 is pluggable into the electronic contactor PCB3 to form a control portion. The power supply portion is formed by removably inserting the power PCB6 onto the electrical contact PCB 3.
By way of example and not limitation, a plurality of powered output terminals 10 are provided on the electrical contactor PCB3 as shown in fig. 1 or 2 for connection to multiple external devices. The communication PCB4 is electrically connected to the electronic contactor PCB3, and the power output terminal 10 is electrically connected to the signal source terminal 2 through the electronic contactor PCB3, so that the communication PCB4 can control an external device connected to the power output terminal 10 through the electronic contactor PCB3 by using an input signal received by the signal source terminal 2. For example, five power output terminals 10 are provided on the electronic contactor PCB3, and if the connected external device is an ac motor, the signal source output through the power output terminals 10 can simultaneously control the five ac motors to perform different functions, thereby solving the problem that the connection is prone to error and occupies a large space due to the connection of a plurality of contactors by using a plurality of wires, and the specific design manner of the power output terminals 10 is not limited in this application.
As shown in fig. 3 to 4, the electronic contactor further includes a housing 1, and the housing 1 is provided with mounting clearance holes corresponding to the signal source terminal 2, the power source terminal 5, and the power source output terminal 10, respectively. The avoiding hole comprises a signal source terminal installation avoiding hole 7, a power supply terminal installation avoiding hole 8 and a power supply output terminal installation avoiding hole 12.
The housing 1 is made of an insulating material. Of course, the casing 1 may be made of insulating material in other ways. For example, the case is made of a material having a good heat dissipation property, and the material having a good heat dissipation property is covered with an insulating material such that the material on the surface of the case 1 is an insulating material, as shown in fig. 3 to 4.
It will be appreciated that in order to facilitate the movement of the above-described electronic contactor, a handle may be provided on the housing 1. The handle can be detachably arranged on the electronic contactor, and can be reserved on the shell 11 in a cutting mode and the like.
It should be understood that the signal source terminal 2, the communication PCB4, the power terminal 5, the power PCB6 and the electrical contact PCB3 are mounted in the interior of the housing 1 to provide structural support and also protect the various components. The casing structure adopts a flat design, the space occupied by each integrated device is reduced as much as possible, for example, a cuboid or a cube casing can be adopted, and the shape of the casing is not limited by the application.
Optionally, a heat dissipation hole 9 is disposed on the casing 1, and the heat dissipation hole 9 can ventilate the electronic contactor to dissipate heat. In order not to affect the normal operation of the signal source terminal 2, the power source terminal 5 and the power source output terminal 10, and at the same time, to ensure the ventilation of each device inside the casing 1. The side surface of the casing 1 where the installation avoiding hole corresponding to the power output terminal 10 is located is called a first side surface, the side surface of the casing 1 where the installation avoiding hole corresponding to the signal source terminal 2 is located is called a second side surface, and then a heat dissipation hole 9 is arranged on a third side surface located between the first side surface and the second side surface in the four side surfaces of the casing 1, and the third side surface is close to the power supply terminal installation avoiding hole 8.
In order to make the designed electronic contactor more regular and beautiful, a sliding groove is arranged on the third side surface, the sliding groove is connected with a sliding rail on the common bus rack 11 in a sliding manner, and the heat dissipation holes 9 on the electronic contactor correspond to the heat dissipation holes on the common bus rack 11. Similarly, in the transmission system of a plurality of modules of work of mutually supporting, can all set up louvre 9 and spout in same one side, not only can utilize the spout to slide a plurality of modules in with transmission system and set up on total bus frame 11 like this, can utilize the louvre that sets up in same one side to dispel the heat for the components and parts in each module moreover.
In a possible implementation mode, the power terminal 5 of the power supply part receives input alternating current power through a power terminal installation clearance hole 8 arranged on the machine shell 1. The signal source terminal 2 of the control part receives the input signal source through the signal source terminal installation avoiding hole 7 arranged on the machine shell 1, and the external equipment connected to the power output terminal 10 can be controlled by the input signal source to realize the starting, running and/or closing functions.
The electronic contactor is suitable for a low-power multi-transmission system as shown in fig. 5, and fig. 5 is a schematic diagram of a multi-path electronic contactor provided by the embodiment of the application in the low-power multi-transmission system. The drive train includes a common bus frame 11 and an electronic contactor 300.
Fig. 6 is a schematic diagram of a common bus rack 11 corresponding to the application scenario in fig. 5 according to an embodiment of the present application. Optionally, the common bus rack 11 is provided with common bus contacts corresponding to the signal source terminal 2 and the power supply terminal 5 respectively; the signal source terminal 2 is connected with a common bus signal source contact on the common bus rack 11 in a plug-in mode, and the power terminal 5 is connected with a corresponding common bus power source contact on the common bus rack 11 in a plug-in mode.
The material used for the common bus signal source contact and the common bus power source contact may be any material with better conductivity, for example, the material may be gold, silver, copper, or the like with better conductivity.
Illustratively, a slide rail corresponding to the electronic contactor 300 is arranged on the common bus rack 11; the electronic contactor 300 is provided with a sliding groove corresponding to the sliding rail, so that the electronic contactor 300 can be slidably disposed on the common bus rack 11 through the sliding rail and the sliding groove. When the electronic contactor 300 module cannot work normally, the electronic contactor 300 module can be independently disassembled for maintenance or inspection, so that the assembly or disassembly efficiency of the transmission mechanism is improved.
Illustratively, 300a shown in fig. 6 is that the electronic contactor 300 corresponds to a sliding rail on the common bus bar rack 11, 21a is that a ground contact corresponds to the ground terminal 21 in the electronic contactor 300, 22a is that a high-level signal source contact corresponds to the high-level signal source terminal 22 in the electronic contactor 300, and 23a is that a low-level signal source contact corresponds to the low-level signal source terminal 23 in the electronic contactor 300. Similarly, 51a is an R incoming line contact corresponding to the 51 incoming line terminal indicated by the symbol R in the electronic contactor 300, 52a is an S incoming line contact corresponding to the 52 incoming line terminal indicated by the symbol S in the electronic contactor 300, 53a is a T incoming line contact corresponding to the 53 incoming line terminal indicated by the symbol T in the electronic contactor 300, and 54a is an N neutral incoming line contact corresponding to the 54 neutral incoming line terminal indicated by the symbol N in the electronic contactor 300. 55a is a positive power supply contact corresponding to the positive power supply terminal designated 55 in the electronic contactor 300, and 56a is a negative power supply contact corresponding to the negative power supply terminal designated 56 in the electronic contactor 300. When the sliding groove of the electronic contactor 300 slides in the sliding rail of the common bus rack 11, the above-mentioned each contact can be accurately butted with the input terminal of the electronic contactor 300. The common bus rack 11 can avoid the problem of large occupied space caused by connecting a plurality of modules by adopting wires. In addition, the problem that connection of a plurality of modules causes easy error or unreliable connection of wires can be solved.
For example, in the low-power multi-transmission system, other functional modules can be further included. Such as PLC modules, rectifier modules and inverter modules. Similarly, the other functional modules may be slidably disposed on the common bus rack 11 in a manner similar to the electronic contactor 300 module, so as to further improve the transmission system. The present application does not limit the arrangement of other functional modules and the corresponding structures.
It is understood that the common bus bar housing 11 may be provided with a baffle. In order to better fix the electronic contactor 300 in the common bus bar rack 11, the electronic contactor 300 module can be effectively protected by the baffle.
Optionally, the transmission system further includes an external device, and the external device is connected to the power output terminal 10 exposed to the installation avoiding hole. The external device may be an ac motor, for example, an ac motor with a power of 2.2KW, or other low-power devices, and the application does not limit the external device in any way.
In summary, through the multi-path electronic contactor and the transmission system provided by the application, the problems that in the prior art, a plurality of contactors are connected through wires, so that the occupied space is large, the workload of connecting the plurality of contactors is increased, the wires are easily connected in a wrong way or unreliable, and the expansibility caused by disconnecting the wires when the functions are changed is poor are effectively solved.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" 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 at least one such feature.
It should be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items. As used in this specification and the appended claims, the term "if" may be interpreted depending on the context as "when. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
In addition, in the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In addition, in the present invention, unless otherwise explicitly stated or limited, the terms "connected" and the like are used broadly, and may be, for example, mechanically connected, directly connected, indirectly connected through an intermediate medium, connected between two members or interacting between two members, unless otherwise explicitly stated or limited, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific circumstances.
Finally, it should be noted that: the above embodiments and drawings are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or modules or all technical features thereof may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A multi-path electronic contactor is characterized in that the electronic contactor comprises a signal source terminal, a communication PCB, an electronic contactor PCB and a plurality of power output terminals;
communication PCB with electronic contactor PCB electricity is connected, and is a plurality of power output terminal sets up side by side electronic contactor PCB's first edge, signal source terminal sets up electronic contactor PCB's second edge, communication PCB is used for the basis input signal control of signal source terminal input the output signal of power output terminal output, it is a plurality of power output terminal with signal source terminal passes through electronic contactor PCB electricity is connected.
2. The contactor as claimed in claim 1, wherein said first edge and said second edge are opposite edges on said electronic contactor PCB.
3. The contactor as recited in claim 1, wherein the signal source terminals include a ground terminal, a high level signal source terminal, and a low level signal source terminal.
4. The contactor according to claim 1, wherein said electronic contactor further comprises power terminals and a power PCB, said power PCB being electrically connected to said electronic contactor PCB, said power PCB being adapted to provide power to said electronic contactor, said power terminals being disposed on said second edge of said electronic contactor PCB.
5. The contactor as claimed in claim 4, wherein said power terminals include three-phase power terminals and power supply power terminals.
6. The contactor as claimed in claim 4 or 5, wherein said electronic contactor further comprises a housing, said housing being provided with mounting clearance holes corresponding to said signal source terminal, said power source terminal and said plurality of power output terminals, respectively.
7. The contactor as claimed in claim 6, wherein the mounting and avoiding holes corresponding to the power output terminals are located on a first side surface of the housing, the mounting and avoiding holes corresponding to the signal source terminals are located on a second side surface of the housing, and heat dissipation holes are formed in a third side surface of the housing between the first side surface and the second side surface.
8. A transmission system, characterized in that it comprises a common bus frame and an electronic contactor according to claim 7;
the common bus rack is respectively provided with common bus contacts corresponding to the signal source terminal and the power supply terminal; the signal source terminal is connected with a common bus signal source contact on the common bus rack in a plug-in manner, and the power terminal is connected with a common bus power source contact on the common bus rack in a plug-in manner.
9. The system of claim 8, wherein the third side further comprises a sliding slot, the sliding slot is slidably connected to a sliding rail of the common bus rack, and the heat dissipation holes correspond to the heat dissipation holes of the common bus rack.
10. The system of claim 9, further comprising an ac motor connected to the power output terminal exposed to the mounting clearance hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120223762.3U CN214228223U (en) | 2021-01-26 | 2021-01-26 | Multi-path electronic contactor and transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120223762.3U CN214228223U (en) | 2021-01-26 | 2021-01-26 | Multi-path electronic contactor and transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214228223U true CN214228223U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120223762.3U Active CN214228223U (en) | 2021-01-26 | 2021-01-26 | Multi-path electronic contactor and transmission system |
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| CN (1) | CN214228223U (en) |
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2021
- 2021-01-26 CN CN202120223762.3U patent/CN214228223U/en active Active
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