CN208873273U

CN208873273U - A kind of concentrator

Info

Publication number: CN208873273U
Application number: CN201821029220.7U
Authority: CN
Inventors: 魏伟; 黄健; 陈欢; 林国庆
Original assignee: Ningbo Sanxing Medical and Electric Co Ltd
Current assignee: Ningbo Sanxing Electric Co Ltd; Ningbo Sanxing Medical and Electric Co Ltd
Priority date: 2018-06-30
Filing date: 2018-06-30
Publication date: 2019-05-17
Anticipated expiration: 2028-06-30

Abstract

The utility model relates to a kind of concentrators, it include terminal box and current transformer, voltage terminal and function terminal are provided in the terminal box, it is characterized by: being provided with the connecting plate to concentrate the first pin of voltage terminal pairing connection on the terminal box, the current transformer is integrated in the upside in terminal box and being located at function terminal, and is located at the same side of terminal box with connecting plate.In this way, facilitating the connection realized to voltage terminal, prevent the pin installation of voltage terminal pairing connection is mixed and disorderly from even the case where connection error occur, it is time saving and energy saving；The case where installation of current transformer, voltage terminal and function terminal is not interfere with each other simultaneously, prevents each element installation entanglement, so that the installation enhanced convenience of each element is fast reasonable, increases installation effectiveness.

Description

A kind of concentrator

Technical field

The utility model is specifically related to a kind of concentrator.

Background technique

Concentrator is the centre management equipment and control equipment of remote auto meter reading system, is responsible for timing reading terminals number Functions, the concentrator such as lateral transport according to the order transmission of, system, data communication, network management, logout, data are companies Connect the central connection point equipment of terminal, computer or communication equipment.

In several terminal compact districts, communication line is usually reduced, terminal is first connected to concentrator, then using height Concentrator is connected to the communication controler of computer by fast route, and therefore, concentrator is also that share wires and raising route utilize A kind of effective equipment of rate.

Terminal box and pcb board are provided in concentrator, wherein voltage terminal, function terminal, electric current are provided in terminal box The various elements such as mutual inductor, current concentrator, as (Authorization Notice No. is Patent No. CN201220210623.8 CN202662155U Chinese utility model patent " a kind of operation panel of power information concentrator "), the operation of the concentrator Panel includes shell, be provided on shell liquid crystal display, indicator light, optic communication mouth, RS232 port, USB interface, SIM card box, Control keyboard, GPRS module, carrier module, main terminal and auxiliary terminal, main terminal include current terminal and voltage terminal, auxiliary Terminal includes remote signalling terminal, the cascade of RS485 II terminal, I meter reading terminal of RS485 and spare terminal, although setting in above-mentioned concentrator It is equipped with the arrangement of various elements and each element, still, there is no the reasonable connection sides for disclosing each element and pcb board Formula prevents installation entanglement so that the installation enhanced convenience of each element is quick.In addition, the electric current in current concentrator Mutual inductor is generally arranged in concentrator, and occupied space is big, and structure is not compact.

Therefore, it is necessary to be improved further to existing concentrator.

Utility model content

Technical problem to be solved in the utility model is in view of the above-mentioned state of the art, to provide a kind of easy for installation Fast, accurate and compact-sized concentrator.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of concentrator, includes terminal box And current transformer, voltage terminal and function terminal are provided in the terminal box, it is characterised in that: are arranged on the terminal box There is the connecting plate to concentrate the first pin of voltage terminal pairing connection, the current transformer is integrated in terminal box simultaneously Positioned at the upside of function terminal, and it is located at connecting plate the same side of terminal box.

It is electrically connected in order to facilitate realizing that current transformer and the first pcb board are realized, the is provided on the upside of the terminal box One pcb board is provided with the second pin on the current transformer and is plugged on the first pcb board and by second pin The electrical connection of one pcb board.In this way, fixed without screw, to reduce contact resistance, reduce long-time high current by when cause Temperature rise.

It is integrated in terminal box in order to facilitate current transformer, it is preferable that it is mutual that accommodating electric current is formed on the terminal box The accommodation groove of sensor, the current transformer are inserted in from top to bottom in the accommodation groove.In this way, facilitating the peace of current transformer Dress, meanwhile, increase the space utilization rate of concentrator.

Current transformer installation is anti-in order to prevent, and opening, the current transformer are offered on the side wall of the accommodation groove One side wall on form rib, in the case where assembling completion status, the rib is located in corresponding opening.In this way, making electric current mutual Sensor is accurately fitted within corresponding accommodation groove, prevents anti-loaded problem, to increase installation effectiveness.

In order to facilitate being electrically connected for voltage terminal and the first pcb board is realized, multiple voltage supplieds are offered on the connecting plate The slot that first pin of terminal pairing connection plugs, the voltage terminal pass through cooperation and the connecting plate of the first pin and slot Connection, first pin expose to outside slot, and the voltage terminal is able to achieve the electricity with the first pcb board by first pin Connection.

The first pin of voltage terminal drops out in order to prevent, and the connecting plate is located at the insertion end of voltage terminal, and the company Fishplate bar extends along the length direction of the first pcb board, and the slot is provided on the lateral wall of connecting plate.

There are many structure types of pin, it is preferable that the longitudinal section of first pin is substantially L-shaped, first pin Include plate and be arranged on plate and to the contact pin that the first pcb board direction extends, the top of the plate is provided with and electricity The conducting wire that pressure side is connected, the slot include the groove plugged for plate and pass through for contact pin wire assembly logical Slot, first pin are plugged in after slot and connect with the first pcb board.

In order to increase the stability of the first pcb board installation, the top of the terminal box is provided with positioning column, and described first The location hole passed through for positioning column is offered on pcb board, first pcb board is installed by the cooperation of location hole and positioning column On terminal box.In this way, terminal box is supported the first pcb board, to increase the first pcb board stability.

In order to increase the installation fastness of terminal box, the terminal box is arranged on the pedestal of concentrator, on the pedestal Be provided with the limit plate extended in the width direction, in the case where assembling completion status, the lateral wall of the terminal box and limit plate it is interior Side wall offsets and is fixed on the base by buckle structure.

Further preferably, fixture block is provided on the lateral wall of the terminal box, the pedestal is in the corresponding position of fixture block On offer the button hole matched with fixture block, the terminal box is realized by the cooperation of fixture block and button hole to be connected with the fixed of pedestal It connects.

Compared with the prior art, the advantages of the utility model are: being provided on terminal box in the concentrator to will The connecting plate that first pin of voltage terminal pairing connection is concentrated prevents voltage to facilitate the connection realized to voltage terminal The pin installation of terminal pairing connection is mixed and disorderly even to there is the case where connection error, time saving and energy saving；Current transformer is integrated in end In button box, and the upside of function terminal, and it is located at connecting plate the same side of terminal box, so that the installation side of current transformer Just, not the case where and with the installation of voltage terminal, function terminal not interfereing with each other, preventing each element installation entanglement, so that respectively The installation enhanced convenience of a element is fast reasonable, increases installation effectiveness；Structural compactness is increased, meanwhile, save collection The space of middle device, increases space utilization rate.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the dimensional decomposition structure diagram of the utility model embodiment；

Fig. 3 is the structural schematic diagram of another angle of Fig. 2；

Fig. 4 is the structural schematic diagram of the terminal box (being equipped with voltage terminal and function terminal) of the utility model embodiment；

Fig. 5 is the structural schematic diagram of the terminal box of the utility model embodiment；

Fig. 6 is the dimensional decomposition structure diagram of the terminal box of the utility model embodiment；

Fig. 7 is the dimensional decomposition structure diagram of part-structure in Fig. 2.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Figures 1 to 7, the concentrator of the utility model embodiment includes terminal box 3, is provided in terminal box 3 Voltage terminal 31, function terminal 32 and current transformer 30, the upside of terminal box 3 are provided with the first pcb board 2, wherein

The connecting plate 33 to concentrate the first pin 311 of the pairing connection of voltage terminal 31 is provided on terminal box 3, even The slot 331 that the first pin 311 of the multiple pairing of voltage supplied terminal 31 connections plugs is offered on fishplate bar 33, voltage terminal 31 is logical It crosses the first pin 311 to connect with the cooperation of slot 331 with connecting plate 33, it is outer and with first that the first pin 311 exposes to slot 331 Pcb board 2 connects, and connecting plate 33 is located at the insertion end of voltage terminal 31, and the connecting plate 33 is along the length direction of the first pcb board 2 Extend, slot 331 is provided on the lateral wall of connecting plate 33, and voltage terminal 31 is able to achieve and the first PCB by the first pin 311 The electrical connection of plate 2.In addition, having the limit floor 332 extended downwardly on connecting plate 33.

Specifically, the longitudinal section of the first pin 311 is substantially L-shaped, which includes plate 3111 and setting On plate 3111 and to the contact pin 3112 that 2 direction of the first pcb board extends, the top of plate 3111 is provided with and voltage terminal 31 The conducting wire being connected, slot 331 include the groove 3311 plugged for plate 3111 and pass through for contact pin wire assembly logical Slot 3312, the first pin 311 are plugged in after slot 331 and connect with the first pcb board 2.Wherein, contact pin wire assembly includes slotting Needle 3112, conducting wire and the interconnecting piece being connected with contact pin 3112 and conducting wire.

Current transformer 30 is integrated in terminal box 3, and in the present embodiment, accommodating current transformer is formed on terminal box 3 30 accommodation groove 301, current transformer 30 are plugged in from top to bottom in accommodation groove 301, and accommodation groove 301 is located at function terminal 32 Upside, and it is located at connecting plate 33 the same side of terminal box 3.Specifically, the second pin 302 is provided on current transformer 30, And the current transformer 30 is plugged on the first pcb board 2 by the second pin 302 and is electrically connected with the first pcb board.In order to prevent Current transformer is anti-loaded, and opening 3010 is offered on the side wall of accommodation groove 301, which is vertical openings, Current Mutual Inductance Rib 303 is formed in the one side wall of device 30, in the case where assembling completion status, rib 303 is located in corresponding opening 3010, this implementation In example, current transformer 30 has 3.

The second pcb board 34 is removedly provided in terminal box 3, function terminal 32 is fixed on the second pcb board 34, and logical The second pcb board 34 is crossed to be electrically connected with the first pcb board 2.Specifically, function terminal 32 has the conductive connection column 321 extended downwardly, The perforation 342 passed through for being conductively connected column 321 is offered on second pcb board 34, function terminal 32 is by being conductively connected 321 He of column The cooperation of perforation 342 is realized to be electrically connected with the second pcb board 34, is additionally provided on the second pcb board 34 and is electrically connected with the first pcb board 2 Row's needle 341.

In order to protect to the second pcb board 34, the outside of the second pcb board 34 is provided with outer cover 35, sets on the terminal box 3 It is equipped with the cover board 38 matched with outer cover 35, the through-hole 381 that the stitch 3411 of supply and discharge needle 341 passes through is offered on the cover board 38. Outer cover 35 in the present embodiment is fixed on terminal box 3 by buckle structure, specifically, on the opposite lateral wall of the two of the outer cover 35 It is provided with the first buckle 351, button hole 300 is offered on the inner sidewall of terminal box 3, outer cover 35 passes through the first buckle 351 and button hole 300 cooperation and be mounted on terminal box 3；Outer cover drops out in order to prevent, and the lower part of outer cover 35 is provided with elastic plate 36, the first card Button 351 is arranged on the lateral wall of the elastic plate 36, has the guiding rib 37 to extend internally, assembly on the inner sidewall of terminal box 3 Under completion status, bottom and the guiding rib 37 of elastic plate 36 offset.

In order to facilitate the installation for realizing the first pcb board, the first pcb board 2 is fixed on pedestal 1 by buckle structure.Specifically Ground is provided with the second buckle 11 on the inner sidewall of pedestal 1, and the card slots matched with the second buckle 11 are offered on the first pcb board 2 23, the supporting block 111 to support the first pcb board 2 is provided on the inner sidewall of pedestal 1, supporting block 111 is located at the second buckle 11 Lower part, assemble completion status under, the first pcb board 2 be located at second buckle 11 and supporting block 111 between.In the present embodiment, pedestal Stiffening plate 19 is formed on 1 inner sidewall, the second buckle 11 and supporting block 111 are arranged at the top of 19 inner sidewall of stiffening plate.

In order to consolidate the installation of the first pcb board more, it is provided on the inner sidewall of pedestal 1 to support the first PCB The top of the supporting element 12 of plate 2, the top of supporting element 12 and supporting block 111 substantially in the same plane, to realize to first The support of pcb board, supporting element 12, which has, has upwardly extended pillar 121, offers on the first pcb board 2 and leads to for what pillar 121 passed through Hole 22, the first pcb board 2 are arranged on pedestal 1 by the cooperation of pillar 121 and through-hole 22；First pcb board is located at terminal box Top, the top of the terminal box 3 are provided with positioning column 304, offer the location hole passed through for positioning column 304 on the first pcb board 2 24, the first pcb board 2 is mounted on the top of terminal box 3 by the cooperation of location hole 24 and positioning column 304, thus further Positioning support is carried out to the first pcb board.

Terminal box 3 is arranged on the pedestal 1 of concentrator, and the limit plate 14 extended in the width direction is provided on pedestal 1, It assembles under completion status, the lateral wall of terminal box 3 and the inner sidewall of limit plate 14 offset and be fixed on pedestal 1 by buckle structure On.Specifically, fixture block 39 is provided on the lateral wall of terminal box 3, pedestal 1 offers and blocks on the corresponding position of fixture block 39 The button hole 13 that block 39 matches, terminal box 3 pass through fixture block 39 and the cooperation realization of button hole 13 and being fixedly connected for pedestal 1.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims

1. a kind of concentrator includes terminal box (3) and current transformer (30), live end is arranged in the terminal box (3) Sub (31) and function terminal (32), it is characterised in that: be provided on the terminal box (3) and connect to match voltage terminal (31) The connecting plate (33) that the first pin (311) connect is concentrated, the current transformer (30) are integrated in terminal box (3) and are located at function Can terminal (32) upside, and be located at connecting plate (33) the same side of terminal box (3).

2. concentrator according to claim 1, it is characterised in that: be provided with the first pcb board on the upside of the terminal box (3) (2), it is provided with the second pin (302) on the current transformer (30) and the first PCB is plugged in by second pin (302) It is electrically connected on plate (2) with the first pcb board (2).

3. concentrator according to claim 2, it is characterised in that: form accommodating Current Mutual Inductance on the terminal box (3) The accommodation groove (301) of device (30), the current transformer (30) are inserted in from top to bottom in the accommodation groove (301).

4. concentrator according to claim 3, it is characterised in that: offer opening on the side wall of the accommodation groove (301) (3010), rib (303) are formed in the one side wall of the current transformer (30), in the case where assembling completion status, the rib (303) it is located in corresponding opening (3010).

5. concentrator according to claim 4, it is characterised in that: offer multiple supply voltage terminals on the connecting plate (33) The slot (331) that the first pin (311) of sub (31) pairing connection plugs, the voltage terminal (31) pass through the first pin (311) it is connect with the cooperation of slot (331) with connecting plate (33), first pin (311) exposes to slot (331) outside, institute It states voltage terminal (31) and is able to achieve by first pin (311) and is electrically connected with the first pcb board (2).

6. concentrator according to claim 5, it is characterised in that: the connecting plate (33) is located at inserting for voltage terminal (31) Enter end, and the connecting plate (33) extends along the length direction of the first pcb board (2), the slot (331) is provided with connecting plate (33) Lateral wall on.

7. concentrator according to claim 6, it is characterised in that: the longitudinal section of first pin (311) is in L substantially Type, first pin (311) include plate (3111) and are arranged on plate (3111) and prolong to the first pcb board (2) direction The top of the contact pin (3112) stretched, the plate (3111) is provided with the conducting wire being connected with voltage terminal (31), the slot It (331) include the groove (3311) plugged for plate (3111) and the through slot (3312) passed through for contact pin wire assembly, institute The first pin (311) is stated to be plugged in slot (331) afterwards and connect with the first pcb board (2).

8. according to concentrator described in any one of claim 2 to 7 claim, it is characterised in that: the terminal box (3) Top is provided with positioning column (304), and the location hole (24) passed through for positioning column (304) is offered on first pcb board (2), First pcb board (2) is mounted on terminal box (3) by the cooperation of location hole (24) and positioning column (304).

9. concentrator according to claim 8, it is characterised in that: the pedestal (1) of concentrator is arranged in the terminal box (3) On, the limit plate (14) extended in the width direction, in the case where assembling completion status, the terminal box are provided on the pedestal (1) (3) inner sidewall of lateral wall and limit plate (14) offsets and is fixed on pedestal (1) by buckle structure.

10. concentrator according to claim 9, it is characterised in that: be provided with fixture block on the lateral wall of the terminal box (3) (39), the pedestal (1) offers the button hole (13) matched with fixture block (39) on the corresponding position of fixture block (39), described Terminal box (3) is fixedly connected by fixture block (39) and the cooperation realization of button hole (13) and pedestal (1).