CN203895659U - RS485 concentrator - Google Patents
RS485 concentrator Download PDFInfo
- Publication number
- CN203895659U CN203895659U CN201420250489.3U CN201420250489U CN203895659U CN 203895659 U CN203895659 U CN 203895659U CN 201420250489 U CN201420250489 U CN 201420250489U CN 203895659 U CN203895659 U CN 203895659U
- Authority
- CN
- China
- Prior art keywords
- binding post
- circuit board
- circuit module
- binding posts
- binding
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000002955 isolation Methods 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Abstract
The utility model provides an RS485 concentrator which comprises a box body and a circuit board arranged in the box body. Binding posts are arranged on the circuit board in a derangement manner. Indicating lamps are arranged on the circuit board and are connected with the binding posts. Through wire holes directly facing the binding posts are arranged in the box body, and binding belts directly facing the binding posts are arranged on the box body. The binding posts arranged on the circuit board in the derangement manner are adopted, which is convenient for connection of multiple binding posts; the indicating lamps connected with the binding posts and arranged on the circuit board show that whether external connection devices are connected rightly or mistakenly; and a bus isolation and protection circuit module, a bus lightning protection circuit module and a fault detecting circuit module which are arranged on the circuit board make an acquisition terminal data line has isolation and protection functions, so that acquisition of other electric energy meters are not influenced by short circuit or open circuit of a communication line of an electric energy meter, and the influence on a system caused by wiring problems in meter changing and meter dismounting work in the future is avoided.
Description
Technical field
The utility model relates to a kind of hub, particularly a kind of 485 interface intelligent HUBs.
Background technology
Development along with power marketing automation construction, long-distance meter-reading system is checked meter by having replaced gradually craft, but to account for the proportion of total failare larger for RS485 fault in long-distance meter-reading system, the RS485 communication failure of long-distance meter-reading system mainly concentrates on interface short circuit or open circuit according to statistics; Therefore, to low-voltage electric energy table, the wiring of checking meter is installed standardization, fail safe and the reliability of (realizing acquisition terminal is connected with the data wire between low-voltage electric energy table) and is had higher requirement, and it is more because of wiring way in traditional low-voltage electric energy table wiring installment work, exist wiring difficulty of construction large, the inadequate standard of wiring and equipment are subject to the shortcoming of thunderbolt.
Therefore need a kind of termination of safety standard.
Utility model content
In view of this, technical problem to be solved in the utility model is to provide a kind of termination of safety standard, meanwhile, improves the performance of equipment anti-lightning.
The utility model is achieved through the following technical solutions:
The RS485 hub that the utility model provides, comprises casing, circuit board, binding post and indicator light;
Described circuit board is arranged in casing, and described binding post is arranged on circuit board by dislocation arrangement mode, and whether described indicator light is arranged to be connected with binding post on circuit board and is used to indicate external connection apparatus and connects correctly; On described casing, over against binding post place, be provided with through wires hole, on described circuit board, over against through wires hole place, be provided with for being fixedly connected with the binding band of wire.
Further, on described circuit board, be also provided with Bus isolation and protective circuit module, bus lightning protection circuit module and fault monitoring circuit module;
Described Bus isolation and protective circuit module, bus lightning protection circuit module are connected with binding post respectively with fault monitoring circuit module.
Further, be also provided with electrostatic discharge protection circuit module on described circuit board, described electrostatic discharge protection circuit module is connected with binding post.
Further, described binding post comprises first group of binding post and second group of binding post, described first group of binding post is set in parallel on circuit board along the long limit of casing, and described second group of binding post binding post corresponding with first group of binding post pressed row dislocation mode spread configuration.
Further, described binding post is Maranyl binding post.
Further, described casing is cold rolled plate case.
The beneficial effects of the utility model are: the utility model adopts by dislocation arrangement mode and is arranged at the binding post on circuit board, be convenient to the connection of a plurality of binding posts, by being arranged at the indicator light being connected with binding post on circuit board, show whether external connection apparatus connects correctly; Simultaneously by the Bus isolation and protective circuit module, bus lightning protection circuit module and the fault monitoring circuit module that arrange on circuit board; Make acquisition terminal data wire have isolation and defencive function, the communication line short circuit of certain electric energy meter or open circuit do not affect the collection of other electric energy meter, avoid changing table, tear open in table work because wiring problem impacts system in the future; Any more than one or one when the interface A of electric energy meter and B short circuit or open circuit when having, status indicator lamp will extinguish.And this device possessed lightning protection design, prevent external voltage, the destruction of rush of current to equipment and electric energy meter; Cabinet design makes this install light portable, can effectively improve low-voltage electric energy table wiring efficiency of construction.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can from practice of the present utility model, be instructed.Target of the present utility model and other advantages can be realized and be obtained by specification and desired protection range below.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is RS485 hub vertical view of the present utility model;
Fig. 2 is RS485 hub stereogram of the present utility model.
In figure, 1, casing; 2, circuit board; 3, indicator light; 4, binding post; 5, through wires hole; 6, binding band; 7, Bus isolation and protective circuit module; 8, bus lightning protection circuit module; 9, fault monitoring circuit module; 10, electrostatic discharge protection circuit module.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment is only for the utility model is described, rather than in order to limit protection range of the present utility model.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is RS485 hub vertical view of the present utility model, and Fig. 2 is RS485 hub stereogram of the present utility model, as shown in the figure: the RS485 hub that the utility model provides, comprises casing 1, circuit board 2, binding post 4 and indicator light 3;
Described circuit board 2 is arranged in casing 1, and described binding post 4 is arranged on circuit board 2 by dislocation arrangement mode, and whether described indicator light 3 is arranged to be connected with binding post 4 on circuit board 2 and is used to indicate external connection apparatus and connects correctly; On described casing 1, over against binding post 4 places, be provided with through wires hole 5, on described circuit board 2, over against through wires hole 5 places, be provided with for being fixedly connected with the binding band 6 of wire.
On described circuit board 2, be also provided with Bus isolation and protective circuit module 7, bus lightning protection circuit module 8 and fault monitoring circuit module 9;
Described Bus isolation and protective circuit module 7, bus lightning protection circuit module 8 and fault monitoring circuit module 9 are connected with binding post 4 respectively.Bus lightning protection circuit module 8 adopts overvoltage protection device.
On described circuit board 2, be also provided with electrostatic discharge protection circuit module 10, described electrostatic discharge protection circuit module 10 is connected with binding post 4.
Described binding post comprises first group of binding post and second group of binding post, described first group of binding post is set in parallel on circuit board along the long limit of casing, and described second group of binding post binding post corresponding with first group of binding post pressed row dislocation mode spread configuration.The present embodiment provides two groups of binding posts, each group binding post comprises 5 binding posts, two groups of upper and lower Heterogeneous Permutations, upper and lower two corresponding binding posts and the corresponding through wires hole that arranges on casing, each through wires hole can pass through the connecting line of 4 binding posts, and each through wires hole place is also provided with binding band.In figure, numeral 1 to 20 sign in square frame and circle represents the connection device of external cabling.
The RS485 hub that the present embodiment provides be mainly applicable to low-voltage power automatic meter reading system, the connection device as between acquisition terminal RS-485 bus and 485 ammeter RS-485 buses, mainly plays insulation blocking effect, improves the stability of a system; 16 low-voltage electric energy tables of descending connection, up connection acquisition terminal; The advantages such as casing is selected cold rolled plate case, so it has sturdy and durablely, is convenient to install, and water proofing property is strong; Circuit board is selected surface-mounted integrated circuit.Described binding post is Maranyl binding post.
Finally explanation is; above embodiment is only unrestricted in order to the technical solution of the utility model to be described; although the utility model is had been described in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model; and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of scope required for protection of the present utility model.
Claims (5)
1.RS485 hub, is characterized in that: comprise casing, circuit board, binding post and indicator light; Described circuit board is arranged in casing, and described binding post is arranged on circuit board by dislocation arrangement mode, and whether described indicator light is arranged to be connected with binding post on circuit board and is used to indicate external connection apparatus and connects correctly; On described casing, over against binding post place, be provided with through wires hole, on described circuit board, over against through wires hole place, be provided with for being fixedly connected with the binding band of wire; On described circuit board, be also provided with Bus isolation and protective circuit module, bus lightning protection circuit module and fault monitoring circuit module; Described Bus isolation and protective circuit module, bus lightning protection circuit module are connected with binding post respectively with fault monitoring circuit module.
2. RS485 hub according to claim 1, is characterized in that: on described circuit board, be also provided with electrostatic discharge protection circuit module, described electrostatic discharge protection circuit module is connected with binding post.
3. RS485 hub according to claim 1, it is characterized in that: described binding post comprises first group of binding post and second group of binding post, described first group of binding post is set in parallel on circuit board along the long limit of casing, and described second group of binding post binding post corresponding with first group of binding post pressed row dislocation mode spread configuration.
4. RS485 hub according to claim 1, is characterized in that: described binding post is Maranyl binding post.
5. RS485 hub according to claim 1, is characterized in that: described casing is cold rolled plate case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250489.3U CN203895659U (en) | 2014-05-16 | 2014-05-16 | RS485 concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250489.3U CN203895659U (en) | 2014-05-16 | 2014-05-16 | RS485 concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895659U true CN203895659U (en) | 2014-10-22 |
Family
ID=51722019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420250489.3U Expired - Fee Related CN203895659U (en) | 2014-05-16 | 2014-05-16 | RS485 concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277760A (en) * | 2015-09-29 | 2016-01-27 | 江苏省电力公司镇江供电公司 | 485 communication bus wiring terminal strip for intelligent electric meter |
-
2014
- 2014-05-16 CN CN201420250489.3U patent/CN203895659U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277760A (en) * | 2015-09-29 | 2016-01-27 | 江苏省电力公司镇江供电公司 | 485 communication bus wiring terminal strip for intelligent electric meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101738565A (en) | Adaptive fault indicator | |
| CN203433022U (en) | Electric energy meter terminal suite | |
| CN204610151U (en) | A kind of wind speed, wind direction detect anti-disabling device | |
| CN203895659U (en) | RS485 concentrator | |
| CN203350349U (en) | Transformer substation bus phase voltage off-limit alarm system | |
| CN204116486U (en) | Based on the open type lightning arrester on-Line Monitor Device of sensing technology | |
| CN201004743Y (en) | Thunder proof terminal distribution case | |
| CN203231469U (en) | Cabinet air conditioner having communication interface lightning protection function | |
| CN205724932U (en) | Intelligent photovoltaic electricity generation grid-connecting metering system | |
| CN202443081U (en) | Self-adaptive burn testing device with monitoring function for input/output plug-in boards | |
| CN207200723U (en) | A kind of intelligent RS485 hubs | |
| CN203166397U (en) | Circuit structure for eliminating induction voltage | |
| CN201813160U (en) | Direct-current power distribution box | |
| CN201252401Y (en) | Signal lightning protection device | |
| CN102435832A (en) | Single-phase distribution transformer operation monitoring metering device | |
| CN208955748U (en) | Power distribution station safety utilization of electric power monitoring system | |
| CN203164278U (en) | Transformer substation switch chamber high-voltage equipment grounding step voltage detecting device | |
| CN201758278U (en) | Bus bar controller | |
| CN202034694U (en) | Dual power supply 10kV power distribution device | |
| CN201289967Y (en) | Distribution box for base station | |
| CN201417940Y (en) | Combined surge protector | |
| CN205986135U (en) | Can wall -hanging source defend thunder equipment | |
| CN204792666U (en) | Fuse -element malfunction alerting ware | |
| CN203617706U (en) | Multifunctional surge protector | |
| CN203204103U (en) | Electrical signal monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20170516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |