CN211184526U

CN211184526U - Concentrator

Info

Publication number: CN211184526U
Application number: CN201922082595.0U
Authority: CN
Inventors: 黄光文; 赵方超; 张萍
Original assignee: Zhejiang Chint Instrument and Meter Co Ltd
Current assignee: Zhejiang Chint Instrument and Meter Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-04
Anticipated expiration: 2029-11-27

Abstract

The utility model relates to an electric power system technical field, concretely relates to concentrator. The concentrator includes shell and PCB board, is equipped with removable module on the PCB board, but plug module fixed part, USB connecting piece and SIM draw-in groove, but the change of equidimension module is realized to removable module, but two modules of first module installation department of plug module fixed part accessible and second module installation department fixed simultaneously, USB connecting piece and SIN draw-in groove also can realize external equipment's connection, the utility model discloses a concentrator can realize the removable installation of multiple module simultaneously, can realize rail mounted installation and bikini installation moreover, compact structure, and the practicality is good, realizes many communication connection and convenient installation.

Description

Concentrator

Technical Field

The utility model relates to an electric power system technical field, concretely relates to concentrator.

Background

A concentrator is a central connection point device to which terminals, computers or communication devices are connected. The concentrator has the functions of data acquisition, data management and storage, parameter setting and query, event recording, local maintenance and the like. The concentrator automatically reads and stores various data of the intelligent electric meter with wireless and carrier communication functions through a downlink channel, and simultaneously performs data interaction with a master station or handheld equipment through an uplink channel, wherein the uplink communication mode can be a GPRS/3G/4G communication mode, an Ethernet communication mode, an NB-iot communication mode and the like. The communication part can adopt a modular design, and the communication module can be replaced according to requirements to realize data interaction of various communication modes.

The traditional Chinese patent document CN209088949U discloses a dual-mode communication intelligent concentrator device, which comprises a working power supply module, a main chip module, an RS485 communication module, a carrier communication module, a L ORA communication module, a GPRS/Ethernet module and a three-phase metering module.

Therefore, the existing chinese patent document CN204118411U discloses a concentrator, which comprises a housing, a PCB, an SPI connector, a display and a communication module, the SPI connector in the concentrator, the display and the communication module are provided with male plugs on the electric devices, the PCB is provided with a female plug, the SPI connector and the like are plugged on the female plug through the male plugs, therefore, when the concentrator is manufactured, the male plug and the female plug are plugged to complete the assembly of the electric devices, the welding of a lead wire is not needed like the prior art, and the production efficiency of the concentrator is improved.

However, the concentrator has fewer replaceable modules, and the male plug and the female plug are not firmly connected, so that the requirement of the market on the concentrator cannot be met.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the present invention lies in overcoming that the replaceable modules of concentrator among the prior art are few, and the insecure technical problem of connection provides a concentrator moreover.

The utility model discloses a concentrator, which comprises,

the shell comprises a cover cap, a module cap, an end button cap and a rear cap, wherein the cover cap), the module cap, the rear cap and the end button cap are arranged in an enclosing manner to form an installation cavity;

a PCB is arranged in the mounting cavity, and one end of the PCB is connected with an end button box;

the PCB is positioned below the module cover and is provided with a replaceable module, a pluggable module fixing part, a USB connecting piece and an SIM card slot, and the replaceable module is electrically connected with the PCB;

wherein, but plug module fixed part top still is equipped with side flip.

Optionally, but plug module fixed part is fixed on the PCB board and through the pin with PCB board electric connection, but plug module fixed part includes first mounting, second mounting, third mounting and fourth mounting, first mounting with the second mounting constitutes first module installation department, the third mounting with the fourth mounting constitutes second module installation department.

Optionally, the pluggable module fixing component and the side flip form a module installation cavity, and the side flip is clamped on the side wall surface of the module installation cavity.

Optionally, the first fixing member includes a first base and an elastic member, the first base is provided with a protruding portion, one end of the elastic member is fixedly inserted into the protruding portion, two ends of the first base are further provided with positioning protrusions, the second fixing member and the first fixing member are arranged oppositely, and one side of the second fixing member facing the first fixing member is provided with a row of contact pins.

Optionally, the first base further includes a pin welded to the PCB and a limiting member, the limiting member is provided with a limiting groove extending in a direction parallel to the PCB, one end of the protruding portion, which is far away from the elastic member, is inserted into the limiting groove, a distance from one end of the protruding portion to the second fixing member is smaller than a distance from one end of the protruding portion to the second fixing member, and an abutting portion is provided at one end of the protruding portion, which is far away from the elastic member.

Optionally, the replaceable module is fixed in the installation cavity through a magic tape.

Optionally, the USB connector is fixed to the PCB and electrically connected to the PCB, and includes two USB interfaces, which are a first USB interface and a second USB interface, where one of the USB interfaces is connected to the replaceable module, and the other USB interface is connected to the external device.

Optionally, the module installation cavity is provided with wire clamping grooves along the periphery, and a wire outlet is further arranged between the first module installation part and the second module installation part.

Optionally, a rail-mounted mounting component and a three-point mounting component are arranged at the bottom of the rear cover, the rail-mounted mounting component includes a sliding piece and a spring, the sliding piece is provided with a spring slot, the spring is mounted in the spring slot, and the three-point mounting component includes a fixing hole.

Optionally, an antenna connection port is respectively arranged on two sides of the installation cavity, and is fixed at the upper end part of the PCB and electrically connected with the PCB, an external antenna port and an external connection port are respectively arranged on two side surfaces of the rear cover, the external antenna port is connected with an external antenna, and the external antenna port is further provided with a dustproof silica gel plug.

The utility model discloses technical scheme has following advantage:

1. the utility model discloses a concentrator, which comprises a shell, wherein the shell comprises a cover cap, a module cover, an end button cover and a rear cover, wherein the cover cap and the module cover form a front cover; the front cover, the rear cover and the end button cover form an installation cavity; the replaceable module, the pluggable module fixing part, the USB connecting piece and the SIM card slot are arranged on the PCB, and one end of the PCB is connected with the terminal button box and is arranged in the installation cavity; wherein, the upper part of the pluggable module fixing component is also provided with a side flip cover. After the module cover is opened, the replaceable module can be replaced, the module cover can achieve the waterproof and dustproof effects, the module can be replaced on the pluggable module fixing component after the side flip cover is opened, the USB connecting piece and the SIM card slot are further included, and therefore the concentrator disclosed by the embodiment can achieve replaceable installation of various modules.

2. The utility model discloses a concentrator, but two modules of fixed component accessible of plug module first module installation department and second module installation department fixed simultaneously, the utility model discloses a concentrator can realize the installation of 4 modules simultaneously.

The first fixing part and the third fixing part are respectively provided with two elastic parts, a certain elastic force is applied to the module, so that the module and the second fixing part or the module and a contact pin on the fourth fixing part are stably connected, and when the module is a communication module, the stable connection ensures a better communication effect; two positioning bulges are respectively arranged on the first fixing piece and the third fixing piece, so that the stability of the module is further ensured.

The size of the replaceable module is 72 × 52 × 23(mm), the replaceable module can be selected from various sizes, and the module replacement with different sizes can be conveniently realized by adopting the magic tape.

The arrangement of the wire clamping groove enables the connection mode of the internal circuit to be clear, the maintenance or the replacement is easy, and the wire outlet can be connected with a module fixed by the pluggable module fixing component and an external device. The concentrator disclosed in the embodiment is characterized in that the sliding piece is arranged at the corresponding position of the rear cover, the spring is arranged in the spring groove of the sliding piece, the sliding piece can be fixed on the base and is not easy to fall off by utilizing the mutual pushing-away force of the spring, and the concentrator can be installed in a rail type manner by utilizing the spring to provide elastic force. And the rail type mounting component and the three-point type mounting component are arranged at the same time, so that two mounting modes of three-point type and rail type can be realized at the same time.

The internal antenna can be directly connected with the antenna wiring port, the external antenna is connected with the antenna wiring port through the external antenna port, and when the external antenna is not connected, the external antenna is sealed by the silica gel dustproof plug, so that the dustproof and waterproof effects are realized on the premise that the internal antenna and the external antenna coexist. The external wire interface can be connected with an external power supply.

3. The utility model discloses a concentrator can realize installing 4 kinds of modules simultaneously, can realize rail mounted installation and bikini installation moreover, compact structure, and the practicality is good, realizes many communication connection and convenient installation.

Drawings

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

Fig. 1 is a schematic structural diagram of a concentrator according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of the back surface of the concentrator according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a concentrator module installation cavity according to embodiment 1 of the present invention;

fig. 4 is a schematic structural diagram of a concentrator PCB board according to embodiment 1 of the present invention;

fig. 5 is a schematic structural diagram of a concentrator PCB board according to embodiment 1 of the present invention;

fig. 6 is a schematic structural view of a rail-type mounting part of a concentrator according to embodiment 1 of the present invention;

fig. 7 is a schematic structural diagram of a pluggable module mounting component of a concentrator in embodiment 1 of the present invention;

fig. 8 is a schematic structural view of a concentrator wire clamping groove according to embodiment 1 of the present invention.

Description of reference numerals:

1-a housing; 11-a cover; 12-a module cover; 13-end button cover; 14-rear cover; 2-a PCB board; 21-a replaceable module; 22-side flip cover; 23-a pluggable module securing means; 231-a first fixture; 2311-an elastic member; 2312-locating the projection; 2313-a first base; 2314-a projection; 2315-a stop; 2316-a limit groove; 2317-an abutment; 232-a second fixture; 2321-insert pin; 233-third fixing part; 234-a fourth fastener; 235-module mounting cavity; 2351-a first module mounting section; 2352-a second module mount; 24-a USB connector; 241-a USB first interface; 242-USB second interface; 25-a SIM card slot; 26-a wire clamping groove; 27-outlet port; 28-an antenna interface; 281-external connection port; 29-external antenna port; 31-a slide; 311-spring groove; 32-a spring; 33-a fixation hole; 4-external antenna; 5-terminal box.

Detailed Description

The following examples are provided for better understanding of the present invention, and are not limited to the best mode, and do not limit the scope and content of the present invention, and any product similar or identical to the present invention, which is obtained by combining the features of the present invention with other prior art or any person who is taught by the present invention, falls within the scope of the present invention.

The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.

Example 1

The embodiment discloses a concentrator, which specifically comprises the following components:

the concentrator disclosed in this embodiment, as shown in fig. 1-8, includes,

the shell 1 comprises a cover cap 11, a module cap 12, an end button cap 13 and a rear cap 14, wherein the cover cap 11, the module cap 12, the rear cap 14 and the end button cap 13 are arranged in an enclosing manner to form an installation cavity;

a PCB (printed circuit board) 2 is arranged in the mounting cavity, and one end of the PCB 2 is connected with an end button box 5;

the PCB 2 is positioned below the module cover 12 and is provided with a replaceable module 21, a pluggable module fixing part 23, a USB connecting piece 24 and an SIM card slot 25, and the replaceable module 21 is electrically connected with the PCB 2;

wherein, a side flip 22 is further disposed above the pluggable module fixing component 23.

After the module cover 12 is opened, the replaceable module 21 can be replaced, the module cover 12 can achieve the waterproof and dustproof effects, the module can be replaced on the pluggable module fixing part 23 after the side flip cover 22 is opened, and the USB connecting piece 24 can be connected with the module, so that the concentrator disclosed by the embodiment can achieve replaceable installation of at least three modules.

Specifically, the pluggable module fixing component 23 is fixed on the PCB 2 and electrically connected to the PCB 2 through a pin, and includes a first fixing member 231, a second fixing member 232, a third fixing member 233 and a fourth fixing member 234 to form a module mounting cavity 235, the first fixing member 231 and the second fixing member 232 form a first module mounting portion 2351, and the third fixing member 233 and the fourth fixing member 234 form a second module mounting portion 2352.

The pluggable module securing member 23 may simultaneously secure two modules through the first module mounting portion 2351 and the second module mounting portion 2352, and the concentrator of the present embodiment may simultaneously implement the replaceable mounting of 4 modules.

Specifically, in the concentrator disclosed in this embodiment, the pluggable module fixing part 23 and the side flip 22 form the module mounting cavity 235, and the side flip 22 is connected to the side wall surface of the module mounting cavity 235, so as to be opened, and protect the pluggable module fixing part 23, thereby preventing dust and water.

Specifically, in the concentrator disclosed in this embodiment, the first fixing member 231 includes a first base 2313 and an elastic member 2311, the first base 2313 is provided with a protrusion 2314, one end of the elastic member 2311 is fixedly inserted into the protrusion 2314, two ends of the first base 2313 are further provided with a positioning protrusion 2312, the second fixing member 232 and the first fixing member 231 are oppositely disposed, and one side of the second fixing member 232 facing the first fixing member 231 is provided with a row of insertion pins 2321.

Specifically, in the concentrator disclosed in this embodiment, the first base 2313 further includes a pin welded to the PCB 2 and a limiting member 2315, the limiting member 2315 is provided with a limiting groove 2316 extending in a direction parallel to the PCB 2, one end of the elastic member 2311 away from the protrusion 2314 is inserted into the limiting groove 2316, a distance from one end of the elastic member 2311 away from the protrusion 2314 to the second fixing member 232 is smaller than a distance from one end of the elastic member 2311 inserted into the protrusion 2314 to the second fixing member 232, and one end of the elastic member 2311 away from the protrusion 2314 is provided with an abutting portion 2317.

The first fixing member 231 and the third fixing member 233 are respectively provided with two elastic members, and apply a certain elastic force to the module, so that the connection between the module and the second fixing member 232 or between the module and the contact pin on the fourth fixing member 234 is stable, and when the module is a communication module, the stable connection ensures a better communication effect; the first fixing member 231 and the third fixing member 233 are respectively provided with two positioning protrusions 2312, so that the stability of the module is further ensured.

Specifically, in the concentrator disclosed in this embodiment, the replaceable module 21 is fixed in the mounting cavity by a hook and loop fastener.

The size of the replaceable module 21 is 72 × 52 × 23(mm), the replaceable module 21 has no fixed size, and the replacement of modules with different sizes can be conveniently realized by using the magic tape.

Specifically, in the concentrator disclosed in this embodiment, the USB connector 24 is fixed to the PCB 2 and electrically connected to the PCB 2, and includes two USB interfaces, namely a USB first interface 241 and a USB second interface 242, where one of the USB interfaces is connected to the replaceable module 21, and the other USB interface is connected to an external device.

Specifically, in the concentrator disclosed in this embodiment, the edge around the module mounting cavity 235 is provided with the wire clamping groove 26, and a wire outlet 27 is further provided between the first module mounting portion 2351 and the second module mounting portion 2352.

The arrangement of the wire clamping groove 26 ensures that the connection mode of the internal circuit is clear, the maintenance or the replacement is easy, and the wire outlet 27 can be connected with the module fixed by the pluggable module fixing component 21 and an external device.

Specifically, in the concentrator disclosed in the present embodiment, the bottom of the rear cover 14 is provided with a rail-type mounting component and a three-point mounting component, the rail-type mounting component includes a sliding member 31 and a spring 32, the spring 32 is mounted in a spring slot 311 of the sliding member 31, and the three-point mounting component includes a fixing hole 33.

The sliding piece 31 is arranged at the corresponding position of the back cover 14, the spring 32 is arranged in the spring groove 311 of the sliding piece 31, the sliding piece 31 can be fixed on the base and is not easy to fall off by the mutual pushing force of the spring 32, and the concentrator rail type installation can be realized by the elastic force provided by the spring 32. And the rail type mounting component and the three-point type mounting component are arranged at the same time, so that two mounting modes of three-point type and rail type can be realized at the same time.

Specifically, the concentrator that this embodiment discloses, installation cavity both sides respectively are equipped with an antenna wiring mouth 28, are fixed in 2 upper end of PCB board and with 2 electric connection of PCB board, and back lid 14 both sides face respectively is equipped with an external antenna mouth 281 and external connection mouth 29, and external antenna mouth 281 even has external antenna 4, and external antenna mouth 281 still is equipped with a dustproof silica gel stopper.

The internal antenna can be directly connected with the antenna wiring port 28, the external antenna is connected with the antenna wiring port 28 through the external antenna port 281, and when the external antenna 4 is not connected, the external antenna is sealed by the silica gel dustproof plug, so that the dustproof and waterproof effects are realized on the premise that the internal antenna and the external antenna coexist. The external connection port 29 can be connected with an external power supply.

It is to be understood that the above examples are illustrative only for the purpose of clarity of description and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A concentrator, comprising,

the shell (1) comprises a cover cap (11), a module cap (12), an end button cap (13) and a rear cap (14), wherein the cover cap (11), the module cap (12), the rear cap (14) and the end button cap (13) are arranged in a surrounding mode to form a mounting cavity;

a PCB (2) is arranged in the mounting cavity, and one end of the PCB (2) is connected with an end button box (5);

the PCB (2) is positioned below the module cover (12) and is provided with a replaceable module (21), a pluggable module fixing part (23), a USB connecting piece (24) and an SIM card slot (25), and the replaceable module (21) is electrically connected with the PCB (2);

wherein, a side flip cover (22) is also arranged above the pluggable module fixing component (23).

2. The concentrator of claim 1, wherein the pluggable module securing component (23) is secured to the PCB (2) and electrically connected to the PCB (2) via pins, the pluggable module securing component (23) includes a first securing member (231), a second securing member (232), a third securing member (233), and a fourth securing member (234), the first securing member (231) and the second securing member (232) form a first module mounting portion (2351), and the third securing member (233) and the fourth securing member (234) form a second module mounting portion (2352).

3. The concentrator of claim 2, wherein the pluggable module securing member (23) and the side flap (22) form a module mounting cavity (235), the side flap (22) snapping into a side wall surface of the module mounting cavity (235).

4. The concentrator according to claim 2, wherein the first fixing member (231) comprises a first base (2313) and an elastic member (2311), the first base (2313) is provided with a protrusion (2314), one end of the elastic member (2311) is fixedly inserted into the protrusion (2314), two ends of the first base (2313) are further provided with positioning protrusions (2312), the second fixing member (232) is opposite to the first fixing member (231), and one side of the second fixing member (232) facing the first fixing member (231) is provided with a row of pins (2321).

5. The concentrator according to claim 4, wherein the first base (2313) further comprises a pin welded to the PCB (2) and a stopper (2315), the stopper (2315) is provided with a stopper groove (2316) extending in a direction parallel to the PCB, one end of the elastic member (2311) away from the protrusion (2314) is inserted into the stopper groove (2316), one end of the elastic member (2311) away from the protrusion (2314) is located at a distance from the second fixing member (232) that is smaller than a distance from one end of the elastic member (2311) inserted into the protrusion (2314) to the second fixing member (232), and one end of the elastic member (2311) away from the protrusion (2314) is provided with an abutting portion (2317).

6. Concentrator according to claim 1, characterized in that the replaceable module (21) is fixed in the mounting cavity by means of velcro.

7. The concentrator according to claim 1, wherein the USB connector (24) is fixed to the PCB (2) and electrically connected to the PCB (2), and comprises two USB interfaces, namely a USB first interface (241) and a USB second interface (242), one of the USB interfaces is connected to the replaceable module (21), and the other USB interface is connected to an external device.

8. The concentrator of claim 3, wherein a wire retaining groove (26) is formed in a peripheral edge of the module mounting cavity (235), and a wire outlet (27) is formed between the first module mounting portion (2351) and the second module mounting portion (2352).

9. The concentrator according to claim 1, wherein the bottom of the rear cover (14) is provided with a rail-type mounting member and a three-point mounting member, the rail-type mounting member comprises a sliding member (31) and a spring (32), the sliding member is provided with a spring groove (311), the spring (32) is mounted in the spring groove (311), and the three-point mounting member comprises a fixing hole (33).

10. The concentrator of claim 1, wherein an antenna connection port (28) is disposed on each of two sides of the mounting cavity, the antenna connection port is fixed on the upper end of the PCB (2) and electrically connected with the PCB (2), an external antenna port (281) and an external connection port (29) are disposed on each of two sides of the rear cover (14), the external antenna port (281) is connected with the external antenna (4), and the external antenna port (281) is further provided with a dustproof silicone plug.