阅读说明：本技术 一种插座、终端电阻自动接入装置及伺服驱动器 (Socket, terminal resistor automatic access device and servo driver ) 是由 王�琦 黄军 朱洪顺 刘文喜 董忠 林传凯 于 2020-05-08 设计创作，主要内容包括：本申请实施例提供一种插座、终端电阻自动接入装置及伺服驱动器,涉及插座技术领域。该插座包括至少一组插接机构,插接机构包括两个并列的第一插接口、第二插接口,用于插入插头；第一引出线的上端穿出端子座,用于连接外部电路；第二引出线用于连接外部电路；动作组件,设置于端子座内部且在所述第一插接口和所述第二插接口之间的空腔内,并与所述第二引出线的下端电连接,用于根据所述插接机构的插接状态进行移动,以使所述第一引出线和所述第二引出线导通或断开；该装置能够根据第一引出线和第二引出线的连接状态,识别插接机构的插头接入状态,解决了现有方法需要人工判断接口的插接状态的问题。(The embodiment of the application provides a socket, a terminal resistor automatic access device and a servo driver, and relates to the technical field of sockets. The socket comprises at least one group of plugging mechanisms, wherein each plugging mechanism comprises a first plugging port and a second plugging port which are arranged in parallel and used for plugging a plug; the upper end of the first outgoing line penetrates out of the terminal base and is used for connecting an external circuit; the second outgoing line is used for connecting an external circuit; the action assembly is arranged in the terminal seat, is arranged in the cavity between the first plug port and the second plug port, is electrically connected with the lower end of the second outgoing line, and is used for moving according to the plug-in state of the plug-in mechanism so as to enable the first outgoing line and the second outgoing line to be connected or disconnected; the device can identify the plug access state of the plugging mechanism according to the connection state of the first outgoing line and the second outgoing line, and solves the problem that the plugging state of the interface needs to be judged manually in the existing method.)

1. A socket, comprising:

a terminal block;

the terminal block comprises at least one group of plug-in mechanisms, and each plug-in mechanism comprises a first plug-in port and a second plug-in port which are arranged in parallel and used for inserting a plug;

the first outgoing line penetrates through the terminal base and is used for connecting an external circuit;

the second outgoing line penetrates through the terminal base and is used for connecting an external circuit;

and the action assembly is electrically connected with the second outgoing line and used for moving according to the plugging state of the plugging mechanism so as to enable the first outgoing line and the second outgoing line to be connected or disconnected.

2. The receptacle of claim 1, wherein the actuation assembly comprises:

a conductive portion for electrically connecting with the second outgoing line;

the first elastic sliding part extends into the first inserting port at one end close to the first inserting port and is in sliding connection with the first inserting port;

one end of the second elastic sliding part, which is close to the second interface, extends into the second interface and is in sliding connection with the second interface;

when a plug is inserted into the first jack or the second jack, the conductive part moves and is conducted with the first outgoing line; when plugs are inserted into the first jack and the second jack simultaneously, the conductive part and the first outgoing line are in a disconnected state.

3. The receptacle of claim 2, wherein: the action assembly is arranged in the terminal seat and in a cavity between the first insertion port and the second insertion port;

the conductive part is a hollow structure with an opening at the lower end, one end of the first outgoing line fixed in the cavity is a contact end, and the contact end extends into the hollow structure;

the first elastic sliding part and the second elastic sliding part are symmetrically arranged at the left end and the right end of the conductive part, the left end of the first elastic sliding part and the right end of the second elastic sliding part respectively extend into the corresponding first inserting port and the second inserting port, and the horizontal distance from the contact end to the inner wall of the conductive part is smaller than the distance between the first sliding part and the second sliding part pressed by the plug; when the plug is inserted into the first insertion port or the second insertion port, the conductive part moves and the inner side surface is in contact with the contact end.

4. The socket of claim 3, wherein the first resilient sliding member comprises a first spring and a first button having a hemispherical shape, a right end of the first spring is connected to the conductive member, a left end of the first spring is connected to the first button, and the left end of the first button extends into the first socket;

the second elastic sliding part comprises a second spring and a second button, the left end of the second spring is connected with the conductive part, the right end of the second spring is connected with the second button, and the right end of the second button extends into the second socket;

when the first button and the second button are in the non-pressed state, the first spring and the second spring are in a free state;

when the plug is inserted into the first jack, the first button moves rightwards, and the conductive part is in contact with the contact end and is conducted;

when the plug is inserted into the second jack, the second button moves leftwards, and the conductive part is contacted with the contact end and is conducted;

when the plug is inserted into the first jack and the second jack simultaneously, the conductive part and the contact end are in a disconnected state.

5. The socket of claim 4, wherein the first button and the second button are provided with cylindrical bosses, an inner protruding step matched with the cylindrical bosses is arranged in the cavity inside the terminal base, and when the cylindrical bosses are clamped into the inner protruding steps, the corresponding first spring and the second spring are in a free state.

6. The socket of claim 1, wherein the plug mechanism further comprises a pin, the pin comprises a soldering portion, a fixing portion and a contact portion contacting with the plug, the soldering portion is disposed on the terminal block and extends into the terminal block and is connected with the fixing portion, and an end of the fixing portion away from the soldering portion is connected with the contact portion.

7. The socket of claim 1, wherein the first interface and the second interface are provided with limiting bosses inside, and the limiting bosses are arranged on the outer side edges of the first interface and the second interface.

8. The receptacle of claim 1, wherein the bottom surfaces of the first and second sockets are sloped surfaces, the sloped surfaces having a front height that is lower than a rear height.

9. An automatic terminal resistor access device, comprising the socket according to any one of claims 1 to 8, the device further comprising:

a power supply connected to the second outgoing line;

and the input end of the judging unit is connected with the first outgoing line, and the output end of the judging unit is connected with the terminal resistor circuit and used for judging whether the terminal resistor needs to be accessed according to the conduction state of the socket.

10. The automatic access device of a terminal resistor according to claim 9, wherein the determining unit is a controller circuit, the terminal resistor circuit includes a relay and a terminal resistor, the relay is connected to the controller circuit, when a plug is inserted into the plugging mechanism, the first connecting line is conducted to the second connecting line, the first outgoing line is in a voltage state of the power supply, and the controller circuit controls the terminal resistor to be accessed through the relay.

11. The automatic terminal resistor access device according to claim 9, wherein the judging unit is a logic gate circuit.

12. A servo drive comprising a socket as claimed in any one of claims 1 to 8.

Technical Field

The application relates to the technical field of sockets, in particular to a socket, a terminal resistor automatic access device and a servo driver.

Background

In CAN bus communication, two CAN bus interfaces are designed on communication equipment, namely a group of CAN signals enter and another group of CAN signals exit, CAN port lines of a plurality of pieces of equipment are connected in series, terminal resistors are required to be accessed at the initial end and the final end of a network, namely only one interface is accessed to the CAN port line, the other interface is accessed to the terminal resistor under the condition, the existing method mainly depends on manual judgment of the plugging state of the interfaces, an operator inserts a terminal with the terminal resistor on a terminal interface of the network, and the method easily causes the condition that the terminal resistor is omitted.

Disclosure of Invention

An object of the embodiment of the application is to provide a socket, a terminal resistor automatic access device and a servo driver, which can identify a plug access state of a plugging mechanism according to a connection state of a first outgoing line and a second outgoing line, and solve the problem that the plugging state of an interface needs to be manually judged in the existing method.

An embodiment of the present application provides a socket, including:

the plug mechanism comprises a first plug interface and a second plug interface which are parallel and used for inserting a plug;

the first outgoing line penetrates through the terminal base, and the upper end of the first outgoing line penetrates through the terminal base and is used for connecting an external circuit;

the second outgoing line penetrates through the terminal base, and the upper end of the second outgoing line penetrates through the terminal base and is used for connecting an external circuit;

and the action assembly is electrically connected with the lower end of the second outgoing line and is used for moving according to the plugging state of the plugging mechanism so as to enable the first outgoing line and the second outgoing line to be connected or disconnected.

In the implementation process, the action structure is used for identifying whether a plug is inserted into the plugging structure or not, the plug is inserted into the first plugging port and the second plugging port of the plugging mechanism, the plug can enable the action assembly to move, and the action assembly is electrically connected with the second outgoing line, so that the action assembly can be switched on or off with the first outgoing line in the moving process, the plug access state of the plugging mechanism can be identified according to the connection state of the first outgoing line and the second outgoing line, and the problem that the plugging state of the interface needs to be manually judged in the existing method is solved.

Further, the action component comprises:

a conductive portion for electrically connecting with the second outgoing line;

the first elastic sliding part extends into the first inserting port at one end close to the first inserting port and is in sliding connection with the first inserting port;

one end of the second elastic sliding part, which is close to the second interface, extends into the second interface and is in sliding connection with the second interface;

when a plug is inserted into the first jack or the second jack, the conductive part moves and is conducted with the first outgoing line; when plugs are inserted into the first jack and the second jack simultaneously, the conductive part and the first outgoing line are in a disconnected state.

In the implementation process, when the plug is inserted, the first elastic sliding part or the second elastic sliding part is pushed by the plug to slide, so that the conductive part is conducted with the first outgoing line.

Furthermore, the lower end of the conductive part is of an open hollow structure, the lower end of the first outgoing line is of a contact end, and the contact end is fixed at the bottom of the cavity, extends into the hollow structure and is used for being connected with or disconnected from the contact end through the movement of the conductive part;

the left end of the first elastic sliding part and the right end of the second elastic sliding part respectively extend into the corresponding first inserting port and the second inserting port, and the horizontal distance from the contact end to the inner wall of the conductive part is smaller than the distance between the first sliding part/the second sliding part and the plug in pressing.

In the implementation process, the conductive part is electrically connected with the second outgoing line, the contact end is arranged in the cavity of the conductive part, the end part of the first elastic sliding part extends into the first socket, the end part of the second elastic sliding part extends into the second socket, and when the plug is inserted into the first socket, the first elastic sliding part is pressed to move rightwards, so that the conductive part moves rightwards, and the contact end is contacted with the conductive part and conducted; when the first jack and the second jack are simultaneously plugged into the plug, the conductive part is not moved, and the contact end and the conductive part are in a disconnected state, so that the purpose of identifying the plugging state of the plugging mechanism is achieved.

The first elastic sliding part comprises a first spring and a hemispherical first button, the right end of the first spring is connected with the conductive part, the left end of the first spring is connected with the first button, and the left end of the first button extends into the first inserting port;

the second elastic sliding part comprises a second spring and a second button, the left end of the second spring is connected with the conductive part, the right end of the second spring is connected with the second button, and the right end of the second button extends into the second socket;

when the first button and the second button are in the non-pressed state, the first spring and the second spring are in a free state;

when the plug is inserted into the first jack, the first button moves rightwards, and the conductive part is in contact with the contact end and is conducted;

when the plug is inserted into the second jack, the second button moves leftwards, and the conductive part is contacted with the contact end and is conducted;

when the plug is inserted into the first jack and the second jack simultaneously, the conductive part and the contact end are in a disconnected state.

In the implementation process, the first spring and the second spring are used as elastic elements, the pressing of the first button and the second button can be accurately sensed, the first spring and the second spring are springs with the same elastic coefficients, when the first inserting port and the second inserting port are inserted into plugs, the conductive part is fixed, the left side and the right side of the conductive part are not in contact with the contact end, and therefore the inserting state of the first inserting port and the inserting state of the second inserting port are accurately sensed.

Furthermore, cylindrical bosses are arranged on the first button and the second button, inner convex steps matched with the cylindrical bosses are arranged in a cavity in the terminal base, and when the cylindrical bosses are clamped into the inner convex steps, the corresponding first spring and the corresponding second spring are in a free state.

In the implementation process, the cylindrical boss is matched with the inner convex step, the first button and the second button are limited, and when the first spring and the second spring are in free states, the first button and the second button are just limited by the inner convex step.

Further, the inserting mechanism further comprises a pin, the pin comprises a welding part, a fixing part and a contact part contacted with the plug, the welding part is arranged on the terminal seat and extends into the terminal seat and is connected with the fixing part, and one end of the fixing part is far away from the welding part and is connected with the contact part.

In the implementation process, the contact part extends into the plug port and is in contact with the plug, so that the conduction between the plug and the contact pin is realized.

The first interface with the second interface is inside to be provided with spacing boss, spacing boss sets up the outside edge of first interface and second interface.

In the implementation process, the limiting boss has limiting and clamping functions on the plug, and when the plug is inserted into the first plug interface or the second plug interface, the limiting boss can prevent the plug from loosening.

Furthermore, the bottom surfaces of the first inserting port and the second inserting port are slope surfaces, and the height of the front side of each slope surface is lower than that of the rear side.

In the above-mentioned realization process, domatic front side height is less than the rear side height, when inserting the plug, can make the contact of plug and the contact site of contact pin more reliable, prevents the contact site contact failure of plug and contact pin.

The embodiment of the present application further provides an automatic access device for a terminal resistor, including the above socket, the device further includes:

a power supply connected to the second outgoing line;

and the input end of the judging unit is connected with the first outgoing line, and the output end of the judging unit is connected with the terminal resistor circuit and used for judging whether the terminal resistor needs to be accessed according to the conduction state of the socket.

In the implementation process, the socket can enable the first outgoing line and the second outgoing line to be connected or disconnected in the plugging state, namely when the plugging mechanism is only inserted into one plug, the first outgoing line and the second outgoing line are connected, the terminal resistor needs to be connected under the condition, when the plugging mechanism is inserted into two plugs, the first outgoing line and the second outgoing line are in the disconnection state, and the terminal resistor does not need to be connected under the condition, so that whether the terminal resistor needs to be connected or not can be judged according to the connection state of the first outgoing line and the second outgoing line, and the phenomenon of terminal resistor connection omission caused by a manual method is avoided.

Furthermore, the judging unit is a controller circuit, the terminal resistance circuit comprises a relay and a terminal resistor, the relay is connected with the controller circuit, when a plug is inserted into the plugging mechanism, the first connecting line is conducted with the second connecting line, the first outgoing line is in a voltage state of the power supply, and the controller circuit controls the terminal resistor to be connected through the relay.

In the implementation process, the judging unit adopts a controller circuit, when a plug is inserted into the plugging mechanism (inserted from the first plugging port or inserted from the second plugging port), the first connecting line is conducted with the second connecting line, the controller circuit detects that the voltage of the first connecting line is in a power supply voltage state, the relay can be controlled to be connected into the terminal resistor, the socket is matched with an external circuit, the automatic connection of the terminal resistor is realized, the manual operation is stopped, and the reliability of network communication is improved.

Further, the judging unit can also adopt a logic gate circuit.

In the implementation process, the logic gate circuit is used for judging the change of high and low levels caused by the connection or disconnection of the first connecting line on the second connecting line so as to control whether the terminal resistor is connected or not, and the purpose of automatically connecting the terminal resistor can be realized.

The embodiment of the application also provides a servo driver, which comprises the socket.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic diagram of a termination resistor in CAN bus communication provided in an embodiment of the present application;

fig. 2 is a schematic networking diagram of a common CAN communication device provided in the embodiment of the present application;

fig. 3 is a schematic structural diagram of a socket according to an embodiment of the present disclosure;

fig. 4 is a schematic longitudinal sectional view of a first socket provided in an embodiment of the present application along a front-back direction;

fig. 5 is a schematic structural diagram of a longitudinal section of the plugging mechanism provided in the embodiment of the present application in the left-right direction;

fig. 6 is a schematic longitudinal sectional view of a first lead-out line provided in an embodiment of the present application in the front-rear direction;

FIG. 7 is an enlarged partial schematic view of the motion assembly shown in FIG. 5;

fig. 8 is a schematic circuit connection diagram of an automatic termination resistor access device according to an embodiment of the present disclosure.

Icon:

10-a terminal block; 2-inserting a pin; 21-a weld; 22-a fixed part; 23-a contact portion; 3-a second outlet; 4-a first outlet; 41-a contact end; 5-an action component; 51-a first button; 52-a first spring; 53-an i-shaped conductive ring; 54-a second button; 55-a second spring; 12-a first interface; 13-a second interface; 14-a bayonet joint; 15-limiting boss; 16-slope surface; 17-a limiting wall; 18-a via hole; 19-cylindrical hole.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.