CN205753374U - Protective relaying device and feature card thereof - Google Patents
Protective relaying device and feature card thereof Download PDFInfo
- Publication number
- CN205753374U CN205753374U CN201620383796.8U CN201620383796U CN205753374U CN 205753374 U CN205753374 U CN 205753374U CN 201620383796 U CN201620383796 U CN 201620383796U CN 205753374 U CN205753374 U CN 205753374U
- Authority
- CN
- China
- Prior art keywords
- protective relaying
- relaying device
- mounting plate
- casing
- feature card
- 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
Abstract
This utility model relates to protective relaying device and feature card thereof; feature card includes the metal mounting plate for fixing assembling with protective relaying device casing and for arranging the circuit board of circuit part; described circuit board is fixing with inside metal mounting plate to be connected, and is provided with heat-sink shell inside described metal mounting plate.This protective relaying device includes casing and several above-mentioned functions plug-in units.Feature card of the present utility model and protective relaying device can accelerate quickly shedding of protective relaying device internal heat; advantageously reduce the temperature within protective relaying device; thus improve device service life, it is ensured that the reliability service of device each components and parts internal.
Description
Technical field
This utility model belongs to power system relay protection device technical field, is specifically related to protective relaying device and function is inserted
Part.
Background technology
The demand reduced along with fast development and the transformer substation construction cost of the technology such as computer, network service and microelectronics,
Function is day by day presented integrated, equipment miniaturization as the protective relaying device of power network safety operation the first line of defence
Feature, These characteristics makes the heat dissipation problem of each components and parts at confined space high speed operation become increasingly conspicuous.The most effective
Avoid causing protective relaying device bulk temperature to raise because the heating of components and parts is difficult to shed, by each Utilities Electric Co. and
The highest attention of product development unit.
At present relay protection device of intelligent substation self temperature rise mostlys come from the following aspects: firstly, since intelligent
The application of technology, device more depends on self light mouth and receives the information of fiber-optic transfer, and the rising of light mouth quantity adds dress
Put the power consumption of self；Secondly, what intelligent transformer substation information processed increases so that cores such as device inner member such as CPU, FPGA
Sheet high speed operation, inevitably creates more heat；Again, device internal circuit design and components selection are not
Rationally, cause device power consumption to strengthen；Finally, by equipment miniaturization and Specification, device IP degree of protection is advised
Fixed so that device seals tight, and self heat is difficult to shed.Above-mentioned reason causes in protective relaying device running
Improving constantly of portion's temperature rise, the normal performance to reliability service, life cycle and the device performance of each components and parts has been buried hidden
Suffer from.
Utility model content
This utility model provides protective relaying device and feature card thereof, it is intended in solution protective relaying device running certainly
Fever of the body amount is difficult to shed and makes internal temperature too high, thus reduces device service life and the problem being unfavorable for device reliability service.
For solving above-mentioned technical problem, feature card of the present utility model includes for assembling fixing with protective relaying device casing
Metal mounting plate and for arranging the circuit board of circuit part, described circuit board is connected with fixing inside metal mounting plate, institute
State and inside metal mounting plate, be provided with heat-sink shell.
Described feature card is CPU card, switch acquisition plug-in unit, output switch parameter plug-in unit, analog acquisition plug-in unit or line
Road protective plug-in unit.
Protective relaying device of the present utility model includes casing and several feature cards, each feature card include for
Casing fixes the metal mounting plate of assembling and for arranging the circuit board of circuit part, inside described circuit board and metal mounting plate
Fixing connection, is provided with heat-sink shell inside described metal mounting plate.
Being provided with the socket suitable with described feature card at least one panel of described casing, described feature card inserts
It is connected with protective relaying device inside subject circuit board after corresponding socket.
The each panel of described casing is metal decking, and the inner side of described metal decking is provided with heat-sink shell.
A panel on described casing is guidance panel.
The inner side of described guidance panel is provided with metal level.
It is provided with LCDs on described guidance panel.
The beneficial effects of the utility model: be provided with heat-sink shell inside the metal mounting plate of feature card of the present utility model, when this
Feature card inserts when running in protective relaying device, it is possible to the heat produced by circuit board during this heat-sink shell Absorption and running,
Then by metal mounting plate, heat is imported in air such that it is able to accelerate quickly dissipating of protective relaying device internal heat
Go out, advantageously reduce the temperature within protective relaying device, improve device service life, it is ensured that internal each yuan of device of device
The reliability service of part.
Also in protective relaying device, the inner side of each panel of casing is provided with heat-sink shell to this utility model and each panel uses metal material
Material is made, and is absorbed heat by heat-sink shell and passes through metal decking heat conduction, further enhancing the heat radiation energy within protective relaying device
Power.
By arranging the socket suitable with each feature card at least one panel of casing in this utility model, make function
After plug-in unit inserts, its metal mounting plate can coordinate the structure that composition is airtight with casing, improves the ability of electromagnetism interference,
Ensure the reliability service of device further.
This utility model is provided with the computing formula of heat-sink shell thickness, when protective relaying device designs according to device inner member
Power consumption and metal mounting plate and the inner side area of each panel of casing, select heat-sink shell and its thickness of suitable material.
Accompanying drawing explanation
Fig. 1 is this utility model protective relaying device front portion guidance panel of containing liquid crystal display screen and remaining device connection diagram；
Fig. 2 is this utility model protective relaying device feature card schematic diagram；
Fig. 3 is schematic diagram after this utility model protective relaying device installation function plug-in unit；
Fig. 4 is arbitrary panel schematic diagram that this utility model is provided with the casing of heat-sink shell；
In Fig. 1,1-1 is outside the metal decking of casing, and 1-2 is protective relaying device inside subject circuit, and 1-3 is operation
Panel, 1-4 is protective relaying device casing back, and 1-5 is that protective relaying device casing is anterior, and 1-6 is inside guidance panel,
1-7 is outside guidance panel；
In Fig. 2,2-1 is the metal mounting plate of feature card, and 2-2 is outside metal mounting plate, in 2-3 is metal mounting plate
Side, 2-4 is circuit board；
In Fig. 4,1-1 is outside the metal decking of casing, and 3-1 is inside the metal decking of casing, and 3-2 is the metal of casing
Hole, panel location.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
The embodiment of feature card of the present utility model
As in figure 2 it is shown, the feature card of the present embodiment includes that the metal for fixing assembling with protective relaying device casing is installed
Plate 2-1 and for arrange circuit part circuit board 2-4, described circuit board 2-4 and 2-3 inside metal mounting plate fix be connected,
Inside described metal mounting plate, 2-3 is provided with heat-sink shell.
Circuit board is a pcb board, and pcb board is provided with various electronic component, and each pcb board can realize one
Function, pcb board is fixing with inside metal mounting plate to be connected, when this feature card inserts in the socket of protective relaying device,
Owing to feature card light mouth each in protective relaying device running exists mass message exchanging, power consumption is relatively big, produces heat relatively
Many, therefore inside feature card metal mounting plate, it is provided with heat-sink shell, with the heat within absorption plant, and is pacified by metal
Heat is shed by dress plate, thus improves absorbing and the ability of externally heat radiation of device internal heat.Wherein, heat-sink shell preferentially selects
It is selected as coating, i.e. inside feature card metal mounting plate, is scribbling the material easily absorbing heat, certainly implementing as other
Mode, it is also possible to paste the heat-sink shell that heat-absorbing material is made.
Fig. 3 be each feature card install after device back schematic diagram, the feature card of the present embodiment include CPU card,
Switch acquisition plug-in unit, output switch parameter plug-in unit, analog acquisition plug-in unit or route protection plug-in unit etc..
Protective relaying device embodiment of the present utility model
As it is shown in figure 1, the protective relaying device of the present embodiment includes that the function described in casing and several above-described embodiments is inserted
Part, is not elaborating the concrete structure of feature card.
Specifically, casing includes 6 faces, and box house is provided with inside subject circuit board 1-2, wherein, at the back of the body of casing
Portion 1-4 is provided with the socket suitable with feature card, and feature card inserts socket and protective relaying device inside subject circuit
Plate 1-2 is connected.As it is shown on figure 3, several feature cards (such as standby plug-in unit, CPU card, switch acquisition plug-in unit etc.)
After inserting the matched socket at casing back, the inner side of the metal mounting plate 2-1 of each feature card and the back of the body of casing
Portion fits tightly, and is combined into a seamless entirety, referred to as feature card installing plate between each metal mounting plate 2-1.
This feature card installing plate cooperatively forms airtight structure with the remaining panel of casing.There is the protective relaying device of closed structure
The ability of electromagnetism interference can be improved, ensured the reliability service of device further.As other embodiments, it is also possible to
Other one or more of casing arrange the socket suitable with feature card.
For the ease of protective relaying device is operated, typically the panel that protective relaying device casing is anterior is set to operation
Panel, certainly, as other embodiments, guidance panel may also be arranged on other on casing in addition to the face with socket
On face.
It is provided with operation button on guidance panel, shows for the ease of data or figure, typically can arrange one on guidance panel
Individual LCDs, this guidance panel is connected with device inside subject circuit board with netting twine by wire.
Owing to guidance panel is close to inside subject circuit board, and internal main circuit board has the effect stopping heat, and operating surface
Plate power consumption is less and outside guidance panel, Chang Weifei easy heat radiation material is constituted, and therefore inside guidance panel, 1-6 is typically not provided with
Heat-sink shell, but inside guidance panel, metal level can be set 1-6.Certainly, if also may be used in the case of not considering cost
Heat-sink shell is set.
In order to improve the heat-sinking capability of protective relaying device further, can pacify on remaining four face of protective relaying device casing
Dress metal decking, the inner side 3-1 of each metal decking is provided with heat-sink shell, as shown in Figure 4.
In the present embodiment, the thickness of absorbed layer can pass budgets the power consumption of device, each metal mounting plate and metal decking inside face
The temperature long-pending, test heat-sink shell is inside and outside and the thermal conduction characteristic of selected heat-absorbing material draw, computing formula is as follows:
Wherein t1、t2For the temperature of heat-sink shell inner side and outer side, Q is by the heat flow of heat-sink shell under stable situation, and δ is
The thickness of heat-sink shell, λ is the heat conductivity of the heat-absorbing material of heat-sink shell, and A is heat transfer area.
The protective relaying device of this utility model offer and feature card thereof, be mainly used in intelligent substation, in order to prevent
Due to device internal temperature rise too high service life affecting each components and parts in relay protection device of intelligent substation running
With the performance of normal function, thus reduce the global reliability of device.
It is presented above specific embodiment, but this utility model is not limited to described embodiment.This utility model
Basic ideas be above-mentioned basic scheme, for those of ordinary skill in the art, according to teaching of the present utility model, if
Count out the model of various deformation, formula, parameter are not required to spend creative work.Without departing from principle of the present utility model
With the change in the case of spirit, embodiment carried out, revise, replace and modification still falls within protection domain of the present utility model
In.
Claims (8)
1. feature card, it is characterised in that include metal mounting plate and the use for fixing assembling with protective relaying device casing
In arranging the circuit board of circuit part, described circuit board is fixing with inside metal mounting plate to be connected, inside described metal mounting plate
It is provided with heat-sink shell.
Feature card the most according to claim 1, it is characterised in that described feature card is CPU card, switching value
Gather plug-in unit, output switch parameter plug-in unit, analog acquisition plug-in unit or route protection plug-in unit.
3. protective relaying device, it is characterised in that this protective relaying device includes casing and several feature cards, each
Feature card includes the metal mounting plate for fixing assembling with casing and for arranging the circuit board of circuit part, described circuit
Plate is fixing with inside metal mounting plate to be connected, and is provided with heat-sink shell inside described metal mounting plate.
Protective relaying device the most according to claim 3, it is characterised in that arrange at least one panel of described casing
There is the socket suitable with described feature card, with protective relaying device inside subject after the corresponding socket of described feature card insertion
Circuit board is connected.
Protective relaying device the most according to claim 4, it is characterised in that each panel of described casing is metal decking, institute
The inner side stating metal decking is provided with heat-sink shell.
Protective relaying device the most according to claim 3 a, it is characterised in that panel on described casing is operating surface
Plate.
Protective relaying device the most according to claim 6, it is characterised in that the inner side of described guidance panel is provided with metal level.
Protective relaying device the most according to claim 6, it is characterised in that be provided with liquid crystal display on described guidance panel
Screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383796.8U CN205753374U (en) | 2016-04-29 | 2016-04-29 | Protective relaying device and feature card thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383796.8U CN205753374U (en) | 2016-04-29 | 2016-04-29 | Protective relaying device and feature card thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205753374U true CN205753374U (en) | 2016-11-30 |
Family
ID=57372402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620383796.8U Expired - Fee Related CN205753374U (en) | 2016-04-29 | 2016-04-29 | Protective relaying device and feature card thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205753374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105764310A (en) * | 2016-04-29 | 2016-07-13 | 许继集团有限公司 | Relay protection device and functional plug-in thereof |
| CN109103859A (en) * | 2018-10-24 | 2018-12-28 | 云南电网有限责任公司电力科学研究院 | A kind of distribution differential protection measure and control device for supporting 4G to communicate |
-
2016
- 2016-04-29 CN CN201620383796.8U patent/CN205753374U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105764310A (en) * | 2016-04-29 | 2016-07-13 | 许继集团有限公司 | Relay protection device and functional plug-in thereof |
| CN109103859A (en) * | 2018-10-24 | 2018-12-28 | 云南电网有限责任公司电力科学研究院 | A kind of distribution differential protection measure and control device for supporting 4G to communicate |
| CN109103859B (en) * | 2018-10-24 | 2020-02-07 | 云南电网有限责任公司电力科学研究院 | Distribution network differential protection measurement and control device supporting 4G communication |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190429 |