CN209844538U - Digital fixed-period relay protection device - Google Patents
Digital fixed-period relay protection device Download PDFInfo
- Publication number
- CN209844538U CN209844538U CN201921052789.XU CN201921052789U CN209844538U CN 209844538 U CN209844538 U CN 209844538U CN 201921052789 U CN201921052789 U CN 201921052789U CN 209844538 U CN209844538 U CN 209844538U
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- CN
- China
- Prior art keywords
- protection device
- heat dissipation
- device body
- top cover
- dissipation mechanism
- 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
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a digital fixed-period relay protection device, which comprises a protection device body, a first placing groove, a first heat dissipation mechanism, a top cover, a second placing groove, a second heat dissipation mechanism, a base mechanism and a clearance mechanism, wherein the first placing groove is arranged at the top of the protection device body, and is distributed at the two sides of the top of the protection device body; a top cover is arranged at the top of the protection device body, wherein the top cover is positioned between the first placing grooves; the top of the top cover is provided with a second placing groove; the side edges of the protection device body and the top cover are respectively provided with a first heat dissipation mechanism and a second heat dissipation mechanism. The utility model can place cooling equipment in the first and second placing grooves, thereby improving the cooling efficiency; the first heat dissipation mechanism and the second heat dissipation mechanism can accelerate the heat dissipation speed and efficiency; the maintenance cost of the relay protection device is reduced.
Description
Technical Field
The utility model relates to a relay protection device, in particular to digital fixed cycle relay protection device.
Background
When a power element (such as a generator, a line and the like) in a power system or the power system itself has a fault, which endangers the safe operation of the power system, an automatic measure and equipment which can send out a warning signal to an operation attendant in time or directly send out a tripping command to a controlled breaker to terminate the development of the events are provided. Plants for carrying out such automation measures, generally known as protective relaying devices; the relay protection is based on the principle that changes in electrical quantities (current, voltage, power, frequency, etc.) during a short circuit or an abnormal condition of an element in an electric power system constitute a relay protection operation, and also includes other physical quantities such as a large amount of gas and an increase in oil flow rate or an increase in oil pressure intensity that are associated with a failure in a transformer tank. In most cases, a relay protection device includes a measurement unit (and a constant value adjustment unit), a logic unit, and an execution unit, regardless of the physical quantity to be reflected.
At present, the use and the variety of the relay protection device are very wide, but the digital relay protection device is difficult to perform special targeted processing under long-time, especially high-load trial use, and the performance of the relay protection device is possibly reduced, or the efficiency of some cooling processing modes and heat dissipation processing modes is very low, so that the maintenance cost of the relay protection device is greatly increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a digital fixed cycle relay protection device.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a digital fixed-period relay protection device, which comprises a protection device body, a first placing groove, a first heat dissipation mechanism, a top cover, a second placing groove, a second heat dissipation mechanism, a base mechanism and a clearance mechanism, wherein the first placing groove is arranged at the top of the protection device body, and is distributed at two sides of the top of the protection device body; a top cover is installed at the top of the protection device body, wherein the top cover is positioned between the first placing grooves; a second placing groove is formed in the top of the top cover; the protection device body with the avris of top cap is provided with first heat dissipation mechanism and second heat dissipation mechanism respectively.
As a preferred technical solution of the present invention, the first heat dissipation mechanism is disposed at two long sides of the protection device body; the second heat dissipation mechanism is arranged on two short sides of the top cover.
As an optimal technical scheme of the utility model, the bottom of protection device body is provided with basement mechanism, wherein, basement mechanism is two blocks of curb plates just space between the basement mechanism forms to clearance mechanism.
As an optimized technical solution of the present invention, the first heat dissipation mechanism and the second heat dissipation mechanism are all composed of a plurality of heat dissipation fins.
The utility model discloses the beneficial effect who reaches is: the utility model can place cooling equipment in the first and second placing grooves, thereby improving the cooling efficiency; the first heat dissipation mechanism and the second heat dissipation mechanism can accelerate the heat dissipation speed and efficiency; the maintenance cost of the relay protection device is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1. a protection device body; 101. a first placing groove; 102. a first heat dissipation mechanism; 2. a top cover; 201. a second placing groove; 202. a second heat dissipation mechanism; 3. a base mechanism; 301. a clearance mechanism.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1
As shown in fig. 1, the utility model provides a digital fixed-period relay protection device, which comprises a protection device body 1, a first placing groove 101, a first heat dissipation mechanism 102, a top cover 2, a second placing groove 201, a second heat dissipation mechanism 202, a base mechanism 3 and a clearance mechanism 301, wherein the first placing groove 101 is arranged on the top of the protection device body 1, and the first placing groove 101 is distributed on two sides of the top of the protection device body 1; the top of the protection device body 1 is provided with a top cover 2, wherein the top cover 2 is positioned between the first placing grooves 101; the top of the top cover 2 is provided with a second placing groove 201; the first heat dissipation mechanism 102 and the second heat dissipation mechanism 202 are respectively disposed on the sides of the protection device body 1 and the top cover 2.
Further, the first heat dissipation mechanism 102 is disposed on two long sides of the protection device body 1; the second heat dissipation mechanisms 202 are arranged at two short sides of the top cover 2, so that cooling equipment can be placed in the first placing groove 101 and the second placing groove 201, and the cooling efficiency is improved; the bottom of the protection device body 1 is provided with a substrate mechanism 3, wherein the substrate mechanism 3 is formed into a gap mechanism 301 by two side plates and a gap between the substrate mechanisms 3, so that the speed of air circulation can be increased, and the cooling and heat dissipation efficiency can be improved. The first heat dissipation mechanism 102 and the second heat dissipation mechanism 202 are both composed of a plurality of heat dissipation fins.
The utility model can place cooling equipment in the first placing groove 101 and the second placing groove 201, thereby improving the cooling efficiency; the first heat dissipation mechanism 102 and the second heat dissipation mechanism 202 can increase the speed and efficiency of heat dissipation; the maintenance cost of the relay protection device is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The digital fixed-period relay protection device is characterized by comprising a protection device body (1), a first placing groove (101), a first heat dissipation mechanism (102), a top cover (2), a second placing groove (201), a second heat dissipation mechanism (202), a base mechanism (3) and a gap mechanism (301), wherein the first placing groove (101) is formed in the top of the protection device body (1), and the first placing groove (101) is distributed on two sides of the top of the protection device body (1); a top cover (2) is installed on the top of the protection device body (1), wherein the top cover (2) is located between the first placing grooves (101); a second placing groove (201) is formed in the top of the top cover (2); the protection device comprises a protection device body (1) and a top cover (2), wherein a first heat dissipation mechanism (102) and a second heat dissipation mechanism (202) are arranged on the lateral sides of the protection device body and the top cover respectively.
2. The digital fixed-period relay protection device as claimed in claim 1, wherein the first heat dissipation mechanism (102) is disposed at two long sides of the protection device body (1); the second heat dissipation mechanisms (202) are arranged on two short sides of the top cover (2).
3. The digital fixed-period relay protection device according to claim 1, wherein a base mechanism (3) is arranged at the bottom of the protection device body (1), wherein the base mechanism (3) is two side plates and a gap between the base mechanisms (3) is formed as a gap mechanism (301).
4. The digital fixed-period relay protection device as claimed in claim 1, wherein said first heat dissipation mechanism (102) and said second heat dissipation mechanism (202) are each comprised of a plurality of heat dissipation fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052789.XU CN209844538U (en) | 2019-07-08 | 2019-07-08 | Digital fixed-period relay protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052789.XU CN209844538U (en) | 2019-07-08 | 2019-07-08 | Digital fixed-period relay protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209844538U true CN209844538U (en) | 2019-12-24 |
Family
ID=68899542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921052789.XU Expired - Fee Related CN209844538U (en) | 2019-07-08 | 2019-07-08 | Digital fixed-period relay protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209844538U (en) |
-
2019
- 2019-07-08 CN CN201921052789.XU patent/CN209844538U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |