CN209103505U - A kind of concentrator - Google Patents
A kind of concentrator Download PDFInfo
- Publication number
- CN209103505U CN209103505U CN201821027271.6U CN201821027271U CN209103505U CN 209103505 U CN209103505 U CN 209103505U CN 201821027271 U CN201821027271 U CN 201821027271U CN 209103505 U CN209103505 U CN 209103505U
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- China
- Prior art keywords
- terminal
- pcb board
- terminal box
- pin
- current transformer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a kind of concentrators, the first pcb board for including terminal box and being arranged on the upside of terminal box, the function terminal and voltage terminal being electrically connected with the first pcb board are provided in the terminal box, current transformer is inserted in terminal box, current transformer, function terminal and voltage terminal are sequentially arranged from top to bottom, and one end riveting of the current transformer has metalwork, the other end is provided with the second pin, one end of current transformer is plugged in terminal box by metalwork to be connected with terminal box, the other end is electrically connected by the second pin with the first pcb board.The design of its structure is more reasonable, prevents current transformer, function terminal and voltage terminal from interfering with each other when installing；Without the fixed installation that current transformer can be realized of screw, reliability increases, while reducing contact resistance, reduces temperature rise, in addition, current transformer is arranged in terminal box, so that occupied space of the current transformer in concentrator reduces.
Description
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.
The for another example Chinese utility model of Patent No. CN201721315865.2 (Authorization Notice No. CN207318556U)
Patent " the terminal cartridge of three-phase electric energy meter ", the terminal cartridge include terminal box, relay and transformer component, 4
Voltage jointer component and circuit board；It is equipped with hook and 2 positioning columns at left and right sides of the terminal box, the relay and mutually
Sensor component includes relay assembly and 3 current transformers, and 2 connection needles are equipped on each current transformer；Each electricity
Current transformer is electrically connected with relay assembly, the relay assembly, each current transformer, each voltage jointer component and
Circuit board is connect with terminal box, and hook, 2 positioning columns and each item connection needle are connect with circuit board, and which disclose electricity
The installation of current transformer, still, current transformer are arranged outside terminal box, and occupied space is big, and current transformer passes through screw
It is fixedly connected with terminal box, increases contact resistance, while easily the problem of screw loosening occur using screw connection, reliability is not
It is high.
Therefore, it is necessary to be improved further to existing concentrator.
Utility model content
For the current state of the art, the technical problem to be solved by the utility model is to provide a kind of compact-sized, electricity
Current transformer is quick and easy for installation and reduces the concentrator of contact resistance.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of concentrator, includes terminal box
With the first pcb board being arranged on the upside of terminal box, be provided in the terminal box function terminal being electrically connected with the first pcb board and
Voltage terminal, it is characterised in that: be inserted with current transformer in the terminal box, the current transformer, function terminal and
Voltage terminal is sequentially arranged from top to bottom, and one end riveting of the current transformer has metalwork, and the other end is provided with second
Pin, one end of the current transformer is plugged in terminal box by metalwork to be connected with terminal box, and the other end passes through
Second pin is electrically connected with the first pcb board.
There are many structure types of current transformer, it is preferable that one end of the current transformer passes through sheet metal and gold
Belong to part mutually to rivet, the other end is connected by flexible wire with the second pin.Sheet metal and metalwork rivet, and reduce contact electricity
Resistance, high reliablity.
In order to facilitate the installation of current transformer, is formed on the terminal box and plant it from top to bottom for current transformer
In accommodation groove.
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, it is provided on the terminal box to by voltage
Terminal matches the connecting plate that the first pin of connection is concentrated, and multiple voltage supplied terminals pairing connections are offered on the connecting plate
The slot that first pin plugs, the voltage terminal are connect by the cooperation of the first pin and slot with connecting plate, and described first
Pin exposes to outside slot, and the voltage terminal is able to achieve by first pin and is electrically connected with the first pcb board.
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 realize the connection of function terminal and the first pcb board, the 2nd PCB is removedly provided in the terminal box
Plate, the function terminal are fixed on the second pcb board, and are electrically connected by the second pcb board with the first pcb board.
In order to realize being electrically connected for function terminal and the first pcb board, and prevent function terminal from the case where setup error occur,
Function terminal is provided in the terminal box, the function terminal has the conductive connection column extended downwardly, second pcb board
On offer for being conductively connected the perforation that passes through of column, the function terminal is realized and the by being conductively connected the cooperation of column and perforation
The electrical connection of two pcb boards is additionally provided with the row's needle being electrically connected with the first pcb board on second pcb board.In this way, making function end
The accurate positioning of son, and facilitate and realize being electrically connected for function terminal and 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 extending column, and described first
The location hole passed through for extending column is offered on pcb board, first pcb board is installed by the cooperation of location hole and extending 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.
In order to realize the fixation of the first pcb board, the second buckle, the first PCB are provided on the inner sidewall of the pedestal
The card slot matched with the second buckle is offered on plate, is provided on the inner sidewall of the pedestal to support the first pcb board
Supporting block, the supporting block are located at the lower part of the second buckle, assemble under completion status, and first pcb board is located at the second buckle
Between supporting block.
In order to increase the intensity of pedestal, stiffening plate, second buckle and support are formed on the inner sidewall of the pedestal
Block is arranged at the top of stiffening plate inner sidewall.In this way, increasing pedestal while realizing the fixed installation of the first pcb board
Intensity.
Compared with the prior art, the advantages of the utility model are: being inserted with Current Mutual Inductance in the terminal box of the concentrator
Device, current transformer, function terminal and voltage terminal are sequentially arranged from top to bottom, and structure designs more reasonable and structure more
Add compact, while preventing current transformer, function terminal and voltage terminal from interfering with each other when installing；In addition, Current Mutual Inductance
One end riveting of device has metalwork, and the other end is provided with the second pin, and one end of current transformer passes through metalwork and terminal box
It is connected, the other end is electrically connected by the second pin with the first pcb board grafting with the first pcb board, i.e., is without screw fixation
The installation of current transformer can be achieved, reliability increases while reducing the contact resistance by screw when fixed, reduces temperature
It rises, in addition, current transformer is arranged in terminal box, so that occupied space of the current transformer in concentrator reduces, thus
Increase the space utilization rate of concentrator.
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；
Fig. 8 is the attachment structure schematic diagram of the current transformer of the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figures 1 to 8, the concentrator of the utility model embodiment include pedestal 1, the end that is arranged on pedestal 1
Button box 3 and the first pcb board 2 that the upside of terminal box 3 is arranged in are provided with the function being electrically connected with the first pcb board 2 in terminal box 3
Can terminal 32, voltage terminal 31 and current transformer 30, current transformer 30, function terminal 32 and voltage terminal 31 are from upper
It is sequentially arranged under, wherein
Current transformer 30 is plugged in terminal box 3, and one end riveting of the current transformer 30 has metalwork 304, separately
One end is provided with the second pin 302, and one end of current transformer 30 is plugged in terminal box 3 by metalwork 304 and terminal
Box 3 is connected, and the other end is electrically connected by the second pin 302 with 2 grafting of the first pcb board with the first pcb board 2.Such as Fig. 8 institute
Show, one end of current transformer 30 is riveted by sheet metal 305 and 304 phase of metalwork, and the other end passes through flexible wire 306 and the
Two pins 302 are connected.Wherein, sheet metal 305 is copper sheet, and metalwork 304 is copper post.
Current transformer is anti-loaded in order to prevent, forms on terminal box 3 and plants from top to bottom wherein for current transformer 30
Accommodation groove 301, offer opening 3010 on the side wall of accommodation groove 301, form rib in the one side wall of current transformer 30
303, rib 303 is vertically arranged, and in the case where assembling completion status, rib 303 is located in corresponding opening 3010.
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, the first pin 311 exposes to outside slot 331, voltage end
Son 31 is able to achieve by first pin 311 and is electrically connected with first pcb board 2.Specifically, connecting plate 33 is located at voltage terminal 31
Insertion end, and the connecting plate 33 extends along the length direction of the first pcb board 2, and slot 331 is provided with the lateral wall of connecting plate 33
On.In addition, having the limit plate 332 extended downwardly on connecting plate 33.
In the present embodiment, the longitudinal section of the first pin 311 is substantially L-shaped, which includes 3111 He of plate
It is arranged on plate 3111 and to the contact pin 3112 of 2 direction of the first pcb board extension, the top of plate 3111 is provided with and voltage end
31 conducting wires that are connected of son, slot 331 include the groove 3311 plugged for plate 3111 and pass through for contact pin wire assembly
Through slot 3312, the first pin 311 is plugged in after slot 331 and connect with the first pcb board 2.Wherein, contact pin wire assembly includes
There are contact pin 3112, conducting wire and the interconnecting piece being connected with contact pin 3112 and conducting wire.
The second pcb board 34 is removedly provided in terminal box 3, function terminal is fixed on the second pcb board 34, and is passed through
Second pcb board 34 is electrically connected with the first pcb board 2.Specifically, function terminal 32 is provided in terminal box 3, function terminal 32 has
The conductive connection column 321 extended downwardly offers the perforation 342 passed through for being conductively connected column 321, function on the second pcb board 34
Terminal 32 is by being conductively connected column 321 and the cooperation realization of perforation 342 and being electrically connected for the second pcb board 34, on the second pcb board 34
It is additionally provided with the row's needle 341 being electrically connected with the first pcb board 2.
In order to protect the second pcb board 34 and function terminal 32, outer cover 35, and the end are removedly provided on terminal box 3
There is the cover board 38 matched with outer cover 35, the second pcb board 34 and function terminal 32 are respectively positioned on the sky of the enclosing of outer cover 35 on button box 3
In, the through-hole 381 that the stitch of supply and discharge needle 341 passes through is offered on cover board 38.
In order to realize the installation of outer cover, the first buckle 351 is provided on the lateral wall of outer cover 35, accordingly, on terminal box 3
The cooperation for passing through the first buckle 351 and the first button hole 300 with the first button hole 300 matched with the first buckle 351, outer cover 35
And it is mounted on terminal box 3；Alternatively, the side of outer cover 35 and terminal box 3 are mating, the other side is fixed on by buckle structure
On the inner sidewall of terminal box 3, specifically, the side of outer cover 35 is provided with convex block, and the other side is provided with the first buckle, accordingly,
It is offered on terminal box 3 and plants jack therein, and compatible first button hole with the first buckle for convex block.
Outer cover drops out in order to prevent, and the lower part of outer cover 35 is provided with elastic plate 36, and the first buckle 351 is arranged in the elastic plate
On 36 lateral wall, there is the guiding rib 37 to extend internally on the inner sidewall of terminal box 3, assembles under completion status, elastic plate 36
Bottom offset with guiding rib 37.
In the present embodiment, terminal box 3 is removedly fixed on the side of 1 length direction of pedestal, is provided on pedestal 1 along width
Spend the limit plate 14 that direction extends, in the case where assemble completion status, the lateral wall of terminal box 3 and the inner sidewall of limit plate 14 offset and
It is fixed on pedestal 1 by buckle structure.Specifically, fixture block 39 is provided on the lateral wall of terminal box 3, pedestal 1 is in fixture block 39
The second button hole 13 matched with fixture block 39 is offered on corresponding position, terminal box 3 passes through fixture block 39 and the second button hole 13
Cooperation realize and be fixedly connected with pedestal 1 that fixture block 39 and the second button hole 13 form above-mentioned buckle structure.
In order to realize the fixation of the first pcb board, it is provided with the second buckle 11 on the inner sidewall of pedestal 1, on the first pcb board 2
The card slot 23 matched with the second buckle 11 is offered, the branch to support the first pcb board 2 is provided on the inner sidewall of pedestal 1
Bracer 111, supporting block 111 are located at the lower part of the second buckle 11, assemble under completion status, and the first pcb board 2 is located at the second buckle 11
Between supporting block 111.In the present embodiment, stiffening plate 19, the second buckle 11 and supporting block are formed on the inner sidewall of pedestal 1
111 are arranged at the top of 19 inner sidewall of stiffening plate.
In order to realize the positioning of the first pcb board, the top of terminal box 3 is provided with extending column 307, opens up on the first pcb board 2
There is the location hole 24 passed through for extending column 307, the first pcb board 2 is mounted on end by the cooperation of location hole 24 and extending column 307
On button box 3.In addition, being provided with the supporting element 12 to support the first pcb board 2, the top of supporting element 12 on the inner sidewall of pedestal 1
Substantially in the same plane with the top of supporting block 111, to realize the support to the first pcb board, supporting element 12 has upward
It is extended with pillar 121, the through-hole 22 passed through for pillar 121 is offered on the first pcb board 2, the first pcb board 2 passes through 121 He of pillar
The cooperation of through-hole 22 and be arranged on 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 (13)
- The first pcb board (2) that 1. a kind of concentrator includes terminal box (3) and is arranged on the upside of terminal box (3), the terminal The function terminal (32) and voltage terminal (31) being electrically connected with the first pcb board (2) are provided in box (3), it is characterised in that: described It is inserted with current transformer (30) in terminal box (3), the current transformer (30), function terminal (32) and voltage terminal (31) it is sequentially arranged from top to bottom, and one end riveting of the current transformer (30) has metalwork (304), and passes through sheet metal (305) it is mutually riveted with metalwork (304)；The other end is provided with the second pin (302), and passes through flexible wire (306) and second Pin (302) is connected, one end of the current transformer (30) by metalwork (304) be plugged in terminal box (3) with Terminal box (3) is connected, and the other end is electrically connected by the second pin (302) with the first pcb board (2).
- 2. concentrator according to claim 1, it is characterised in that: form on the terminal box (3) for current transformer (30) accommodation groove therein (301) are planted from top to bottom.
- 3. concentrator according to claim 2, 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).
- 4. according to claim 1 to concentrator described in any one of 3 claims, it is characterised in that: on the terminal box (3) It is provided with the connecting plate (33) to concentrate the first pin (311) of voltage terminal (31) pairing connection, the connecting plate (33) slot (331) that the first pin (311) of multiple voltage supplied terminal (31) pairing connections plugs, the voltage are offered on Terminal (31) is connect by the first pin (311) with the cooperation of slot (331) with connecting plate (33), first pin (311) Expose to slot (331) outside, the voltage terminal (31) is able to achieve the electricity with the first pcb board (2) by first pin (311) Connection.
- 5. concentrator according to claim 4, 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.
- 6. concentrator according to claim 5, 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).
- 7. concentrator according to claim 1, it is characterised in that: be removedly provided with second in the terminal box (3) Pcb board (34), the function terminal are fixed on the second pcb board (34), and pass through the second pcb board (34) and the first pcb board (2) Electrical connection.
- 8. concentrator according to claim 7, it is characterised in that: function terminal (32) are provided in the terminal box (3), The function terminal (32) has the conductive connection column (321) extended downwardly, offers on second pcb board (34) for conduction The perforation (342) that connecting column (321) passes through, the function terminal (32) are matched by being conductively connected column (321) and perforation (342) It closes and realizes and be electrically connected with the second pcb board (34), be additionally provided on second pcb board (34) and be electrically connected with the first pcb board (2) It arranges needle (341).
- 9. concentrator according to claim 8, it is characterised in that: the top of the terminal box (3) is provided with extending column (307), the location hole passed through for extending column (307) is offered on first pcb board (2), first pcb board (2) passes through The cooperation of location hole and extending column (307) and be mounted on terminal box (3).
- 10. concentrator according to claim 1, it is characterised in that: the pedestal of concentrator is arranged in the terminal box (3) (1) on, the limit plate (14) extended in the width direction, in the case where assembling completion status, the terminal are provided on the pedestal (1) The lateral wall of box (3) and the inner sidewall of limit plate (14) offset and are fixed on pedestal (1) by buckle structure.
- 11. concentrator according to claim 10, it is characterised in that: be provided with card on the lateral wall of the terminal box (3) Block (39), the pedestal (1) offer the button hole (13) matched with fixture block (39), institute on the corresponding position of fixture block (39) State terminal box (3) being fixedly connected by fixture block (39) and the cooperation realization of button hole (13) and pedestal (1).
- 12. concentrator according to claim 11, it is characterised in that: be provided with second on the inner sidewall of the pedestal (1) It buckles (11), the card slot (23) matched with the second buckle (11) is offered on first pcb board (2), the pedestal (1) The supporting block (111) to support the first pcb board (2) is provided on inner sidewall, the supporting block (111) is located at the second buckle (11) lower part is assembled under completion status, and first pcb board (2) is located between the second buckle (11) and supporting block (111).
- 13. concentrator according to claim 12, it is characterised in that: form reinforcement on the inner sidewall of the pedestal (1) Plate (19), second buckle (11) and supporting block (111) are arranged at the top of stiffening plate (19) inner sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027271.6U CN209103505U (en) | 2018-06-30 | 2018-06-30 | A kind of concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027271.6U CN209103505U (en) | 2018-06-30 | 2018-06-30 | A kind of concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209103505U true CN209103505U (en) | 2019-07-12 |
Family
ID=67149425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821027271.6U Withdrawn - After Issue CN209103505U (en) | 2018-06-30 | 2018-06-30 | A kind of concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209103505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564780A (en) * | 2018-06-30 | 2018-09-21 | 宁波三星医疗电气股份有限公司 | A kind of concentrator |
-
2018
- 2018-06-30 CN CN201821027271.6U patent/CN209103505U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564780A (en) * | 2018-06-30 | 2018-09-21 | 宁波三星医疗电气股份有限公司 | A kind of concentrator |
| CN108564780B (en) * | 2018-06-30 | 2023-09-01 | 宁波三星医疗电气股份有限公司 | Concentrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190712 Effective date of abandoning: 20230901 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190712 Effective date of abandoning: 20230901 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |