CN203521817U - Connection device for RS485 transmission cable and electric energy monitor device - Google Patents

Abstract

The utility model provides a connection device for RS485 transmission cables and electric energy monitoring equipment, wherein the connection device includes: a plug, including a plug housing, and a plurality of first terminals and a plurality of second terminals are arranged on the outer surface of the plug housing. Two terminals, a plurality of first terminals are connected to the first lead wire of the RS485 transmission cable, and a plurality of second terminals are connected to the second lead wire of the RS485 transmission cable; the socket includes a socket housing, and the socket housing is provided with a socket for accommodating the plug A slot, a plurality of third terminals and a plurality of fourth terminals are arranged on the inner surface of the slot, the plurality of third terminals are connected to the first port of the RS485 transmission cable, and the plurality of third terminals correspond to the plurality of first terminals It is set that a plurality of fourth terminals are connected to the second port of the RS485 transmission cable, and the plurality of fourth terminals are set correspondingly to the plurality of second terminals. The plug of the utility model can be inserted into the slot of the socket simply and conveniently, and the connection is reliable, and construction workers can conveniently connect in complex construction environments.

Description

Connection device and energy monitoring device for RS485 transmission cables

technical field

The utility model relates to the field of communication equipment, in particular to a connection device for RS485 transmission cables and electric energy monitoring equipment.

Background technique

At present, when installing or replacing the collector, it is difficult for the construction personnel to connect the relatively thin RS485 transmission cable to the collector smoothly in the relatively narrow space of the construction environment. The main reason is that the RS485 transmission cable and the corresponding interface are adopted. The way of screw fixing. The traditional wiring method is not convenient for construction in an open construction environment, and it is even more difficult to complete construction in a relatively narrow environment. The inner core of the RS485 transmission cable is composed of two thinner data transmission lines. These two thinner data transmission lines need to be respectively connected to the two data line interfaces at the lower end of the collector. It is easy to be confused with other sockets when connecting. If there is a slight deviation in the wiring, the data in the meter cannot be effectively transmitted to the collector, so every construction, the construction personnel need to spend a lot of construction time on the link of connecting the RS485 transmission cable, if the construction environment is bad , it takes longer. At the same time, when installing or replacing the collector, construction workers are operating in a live environment. The traditional screw fixing method is prone to electric shock accidents, which poses a threat to the safety of construction workers.

Utility model content

The utility model aims to provide a connection device and electric energy monitoring equipment for RS485 transmission cables to solve the problem of inconvenient connection of RS485 transmission cables when installing or replacing collectors in the prior art.

In order to solve the above technical problems, according to one aspect of the present invention, a connection device for RS485 transmission cables is provided, including: a plug, including a plug housing, and a plurality of first terminals are arranged on the outer surface of the plug housing And a plurality of second terminals, a plurality of first terminals are connected with the first leads of the RS485 transmission cable, and a plurality of second terminals are connected with the second leads of the RS485 transmission cable; the socket includes a socket housing, and the socket housing is provided with useful In the slot for accommodating the plug, a plurality of third terminals and a plurality of fourth terminals are arranged on the inner surface of the slot, the plurality of third terminals are connected with the first port of the RS485 transmission cable, and the plurality of third terminals are connected with a plurality of The first terminals are set correspondingly, the multiple fourth terminals are connected to the second port of the RS485 transmission cable, and the multiple fourth terminals are set correspondingly to the multiple second terminals.

Further, the first lead is connected to at least one first terminal, and the second lead is connected to at least one second terminal.

Further, the first port is connected with every third terminal, and the second port is connected with every fourth terminal.

Further, the plug further includes elastic clips, which are protrudingly provided on the outer surface of the plug housing, and a slot for cooperating with the elastic clips is provided on the inner wall of the slot.

Further, the elastic clip is arranged on a first side of the plug housing, and the first terminal and the second terminal are arranged on a second side of the plug housing opposite to the first side.

Further, the first end of the elastic clip is disposed on the plug housing, and the second end of the elastic clip extends in a direction opposite to the plugging direction of the plug and the socket.

Further, the length of the elastic clip is greater than the insertion depth of the plug and the socket.

According to another aspect of the present utility model, there is also provided a power monitoring device, including an electric meter, a collector, and an RS485 transmission cable. The power monitoring device also includes the above-mentioned connection device. One end of the cable is connected to the plug of the connecting device, and the other end of the RS485 transmission cable is connected to the ammeter.

Further, the electric meter is also provided with a socket, and the other end of the RS485 transmission cable is also provided with a plug.

The plug of the utility model can be simply and conveniently plugged into the slot of the socket, and after plugged in, the plurality of first terminals are connected to the plurality of third terminals, and the first leads are connected to the first ports; The second terminal is connected to a plurality of fourth terminals, and the second lead wire is connected to the second port, so that the connection of the RS485 transmission cable can be realized. Compared with the traditional screw fixing, the connection is more simple and reliable, and the construction personnel can use it in complex Easy connection in construction environment. In addition, the connection device of the present invention uses multiple first terminals to connect multiple third terminals, and multiple second terminals to connect multiple fourth terminals, so that even if some terminals have faults such as poor contact, the connection effect of the connection device will not be affected. , so that the RS485 transmission cable can transmit more stably.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute an improper limitation of the utility model. In the attached picture:

Fig. 1 schematically shows the schematic diagram of the connecting device for RS485 transmission cable in the utility model; And

Fig. 2 schematically shows a schematic diagram of the socket used for the connection device of the RS485 transmission cable in the present invention.

Reference numerals in the figure: 10, plug; 11, first terminal; 12, second terminal; 13, plug housing; 14, elastic clip; 20, socket; 21, third terminal; 22, fourth terminal; 23. Socket shell; 24. Slot; 25. Card slot; 30. RS485 transmission cable.

Detailed ways

The embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, but the utility model can be implemented in various ways defined and covered by the claims.

According to one aspect of the present invention, a connection device for RS485 transmission cables is provided, as shown in Figures 1 and 2, the connection device includes: a plug 10, including a plug housing 13, the outer surface of the plug housing 13 A plurality of first terminals 11 and a plurality of second terminals 12 are arranged on the top, the plurality of first terminals 11 are connected to the first leads of the RS485 transmission cable 30, and the plurality of second terminals are connected to the second leads of the RS485 transmission cable 30; The socket 20 includes a socket housing 23, the socket housing 23 is provided with a slot 24 for accommodating the plug 10, the inner surface of the slot 24 is provided with a plurality of third terminals 21 and a plurality of fourth terminals 22, and a plurality of The third terminal 21 is connected to the first port of the RS485 transmission cable 30, and a plurality of third terminals 21 are correspondingly arranged with a plurality of first terminals 11, and a plurality of fourth terminals 22 are connected with the second port of the RS485 transmission cable 30, and a plurality of The fourth terminal 22 is provided corresponding to the plurality of second terminals 12 .

The plug 10 of the present utility model can be inserted into the slot 24 of the socket 20 simply and conveniently. After the insertion, the plurality of first terminals 11 and the plurality of third terminals 21 are conducted, and the first lead wire and the first lead wire are connected. port; a plurality of second terminals 12 and a plurality of fourth terminals 22 are conducted, and the second lead wire and the second port are conducted, so that the connection of the RS485 transmission cable can be realized, which is simpler and more reliable than traditional screw fixing , Construction personnel can easily connect in complex construction environments. Moreover, the connection device of the present invention connects multiple first terminals 11 to multiple third terminals 21, and multiple second terminals 12 to multiple fourth terminals 22, so that even if some terminals have faults such as poor contact, the connection will not be affected. The connection effect of the device enables the RS485 transmission cable to transmit more stably.

Preferably, the first leads are connected to the four first terminals 11 on the left side of the plug 10 in FIG. 1 , and the second leads are connected to the four second terminals 12 on the right side. The first port is connected to the four third terminals 21 on the left side of the socket 20 in FIG. 2 , and the second port is connected to the four fourth terminals 22 on the right side.

Preferably, the plug housing 13 is made of insulating material. Since the RS485 transmission cable 30 needs to be connected in a charged state, it is not easy for workers to get an electric shock when holding the plug housing 13 made of insulating material, which ensures the safety of the workers.

Preferably, the first lead is connected to at least one first terminal 11 , and the second lead is connected to at least one second terminal 12 . Preferably, the first port is connected with each third terminal 21 , and the second port is connected with each fourth terminal 22 . If the first lead wire is connected to any one or more first terminals 11, then the connection between the first port and each third terminal 21 can ensure that the first lead wire is connected to the first port. The second port is turned on.

Preferably, the plug 10 further includes an elastic clip 14 protrudingly disposed on the outer surface of the plug housing 13 , and a slot 25 for cooperating with the elastic clip 14 is provided on the inner wall of the slot 24 . Preferably, the elastic clip 14 is disposed on a first side of the plug housing 13 , and the first terminal 11 and the second terminal 12 are disposed on a second side of the plug housing 13 opposite to the first side. The elastic clamping feet 14 are engaged tightly with the clamping slot 25 to fix the plug 10 in the slot 24 of the socket 20 .

Preferably, the first end of the elastic clip 14 is disposed on the plug housing 13 , and the second end of the elastic clip 14 extends in a direction opposite to the insertion direction of the plug 10 and the socket 20 . Preferably, the length of the elastic clip 14 is greater than the insertion depth of the plug 10 and the socket 20 . When the plug 10 is disassembled, the elastic clip 14 needs to be pressed to unlock the plug 10 and the socket 20, so when the plug 10 is installed in the slot 24, the elastic clip 14 can protrude from the slot 24, so as to facilitate personnel operation.

Preferably, the plug 10 is a crystal plug. The connection device of the utility model adopts a standard crystal head assembly, which is convenient to manufacture and replace, can be used repeatedly, and can be clearly distinguished from other interfaces due to its obvious features, preventing the RS485 transmission cable 30 from being wrongly connected to other plugs.

According to another aspect of the present utility model, a kind of electric energy monitoring equipment is also provided, including electric meter, collector and RS485 transmission cable 30, electric energy monitoring equipment also includes above-mentioned connection device, and the socket 20 of connection device is arranged on the collector, One end of the RS485 transmission cable 30 is connected to the plug 10 of the connection device, and the other end of the RS485 transmission cable 30 is connected to the ammeter.

After adopting the connection device of the utility model, the RS485 transmission cable 30 can be connected into the collector more conveniently and quickly, and it is easy to connect even in a narrow and complicated environment, and problems such as wrong connection and wrong connection are not easy to occur. Compared with the existing screw connection, this connection method is more stable, and the transmission of the RS485 transmission cable 30 is more reliable. In addition, electric leakage and electric shock accidents are less likely to occur during the construction process, and the working environment of the staff is safer.

Preferably, the electric meter is also provided with a socket 20 , and the other end of the RS485 transmission cable 30 is also provided with a plug 10 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (9)

1. for a jockey for RS485 transmission cable, it is characterized in that, comprising:

Plug (10), comprise plug casing (13), on the outer surface of described plug casing (13), be provided with a plurality of the first terminals (11) and a plurality of the second terminal (12), described a plurality of the first terminal (11) is connected with the first lead-in wire of described RS485 transmission cable (30), and described a plurality of the second terminals are connected with the second lead-in wire of described RS485 transmission cable (30);

Socket (20), comprise Socket casing (23), on described Socket casing (23), be provided with the slot (24) for holding described plug (10), on the inner surface of described slot (24), be provided with a plurality of the 3rd terminals (21) and a plurality of the 4th terminal (22), described a plurality of the 3rd terminal (21) is connected with the first port of described RS485 transmission cable (30), described a plurality of the 3rd terminal (21) and the corresponding setting of described a plurality of the first terminals (11), described a plurality of the 4th terminal (22) is connected with the second port of described RS485 transmission cable (30), described a plurality of the 4th terminal (22) and the corresponding setting of described a plurality of the second terminals (12).

2. jockey according to claim 1, is characterized in that, described the first lead-in wire is at least connected with a described the first terminal (11), and described the second lead-in wire is at least connected with described second terminal (12).

3. jockey according to claim 2, is characterized in that, described the first port is connected with the 3rd terminal (21) described in each, and described the second port is connected with the 4th terminal (22) described in each.

4. jockey according to claim 1, it is characterized in that, described plug (10) also comprises elasticity card base (14), described elasticity card base (14) is arranged on the outer surface of described plug casing (13) highlightedly, is provided with the draw-in groove (25) for coordinating with described elasticity card base (14) on the inwall of described slot (24).

5. jockey according to claim 4, it is characterized in that, described elasticity card base (14) is arranged on the first side of described plug casing (13), and described the first terminal (11) and described the second terminal (12) are arranged on second side relative with described the first side of described plug casing (13).

6. jockey according to claim 4, it is characterized in that, it is upper that the first end of described elasticity card base (14) is arranged on described plug casing (13), and the second end of described elasticity card base (14) extends along the direction of the grafting opposite direction with described plug (10) and described socket (20).

7. jockey according to claim 6, is characterized in that, the length of described elasticity card base (14) is greater than the inserting depth of described plug (10) and described socket (20).

8. a power energy monitoring and controlling equipment, comprise ammeter, collector and RS485 transmission cable (30), it is characterized in that, described power energy monitoring and controlling equipment also comprises the jockey described in any one in claim 1 to 7, the socket of described jockey (20) is arranged on described collector, one end of described RS485 transmission cable (30) is connected with the plug (10) of described jockey, and the other end of described RS485 transmission cable (30) is connected with described ammeter.

9. power energy monitoring and controlling equipment according to claim 8, is characterized in that, is also provided with described socket (20) on described ammeter, and the other end of described RS485 transmission cable (30) is also provided with described plug (10).