CN218733195U

CN218733195U - Relay protection device for power system

Info

Publication number: CN218733195U
Application number: CN202223014527.9U
Authority: CN
Inventors: 张兴邦
Original assignee: East China Jiaotong University
Current assignee: East China Jiaotong University
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-24
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses an electric power system relay protection device, including cabinet body structure, one side of cabinet body structure is equipped with the negative pressure jar, and one side that cabinet body structure was keeping away from the negative pressure jar is equipped with the nitrogen gas jar, and the cabinet body is structural to be equipped with the cabinet door with the adjacent one side of negative pressure jar, and cabinet body structure's top is equipped with positive pressure fan, and cabinet body structure's inside is equipped with mounting structure, and mounting structure's interior installation is equipped with fixed knot and constructs. Has the advantages that: the utility model discloses a negative pressure jar and nitrogen gas jar that are equipped with can make perfect understanding the back at relay equipment, manage to find time and aerify a large amount of nitrogen gas to equipment inside rapidly, make inside unable production burning condition, improve the protection to internal plant, reduce the influence to other equipment in the cabinet after the occurence of failure simultaneously.

Description

Relay protection device for power system

Technical Field

The utility model relates to a power equipment technical field particularly, relates to a power system relay protection device.

Background

The relay protection device is an automatic measure and equipment which can timely send out a warning signal to an operation attendant or directly send out a tripping command to a controlled circuit breaker to stop the development of events when the electric power elements in the electric power system or the electric power system per se has faults to endanger the safe operation of the electric power system, and some emergencies can be effectively avoided and timely processed through the existence of the relay protection device.

The notice number is: CN 214478905U's a power system relay protection device belongs to power equipment technical field. The utility model aims at designing a power system relay protection device that carries out safety protection to power component among the power system or power system itself. The utility model discloses a body and installing frame still including can control internal power switch's control structure, can accelerate inside heat give off and dirt-proof heat radiation structure, can be convenient for the fixed knot who installs constructs. The utility model discloses great increase the security when overhauing, realized the device's convenient function of overhauing, realized the fixed and function easy to assemble and the dismantlement of relay, had the function of heat dissipation and clearance.

However, the fire protection device is poor in fire prevention and not comprehensive in fire protection function under the extreme conditions that short circuit occurs in the device and the like.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a power system relay protection device possesses the probability that can reduce the relay equipment and take place the condition of a fire, and then solves the problem that exists among the prior art.

(II) technical scheme

For the probability that realizes above-mentioned reduction relay equipment emergence condition of a fire, the utility model discloses a concrete technical scheme as follows:

the utility model provides an electric power system relay protection device, includes cabinet body structure, one side of cabinet body structure is equipped with the negative pressure jar, cabinet body structure is keeping away from one side of negative pressure jar is equipped with the nitrogen gas jar, the cabinet body structural with one side that the negative pressure jar is adjacent is equipped with the cabinet door, cabinet body structure's top is equipped with the malleation fan, cabinet body structure's inside is equipped with mounting structure, mounting structure's interior installation is equipped with fixed knot and constructs.

Further, the cabinet body structure is main relay equipment outside protector, can prevent that relay equipment from receiving weather erosion, cabinet body structure includes cupboard, interior cabinet, the inside of cupboard is interior cabinet, the installation is equipped with mounting structure on the inner wall of interior cabinet, the inner wall both sides of interior cabinet seted up with the negative pressure jar with nitrogen gas jar assorted gas pocket.

Further, mounting structure mainly used installation fixed knot constructs, and is equipped with the interval between every mounting structure, mounting structure includes protection piece, fluting, sliding tray, magnetic path, the top of protection piece is equipped with the fluting, the sliding tray has been seted up to the inboard of protection piece, the inboard of protection piece with one side that the sliding tray is adjacent is equipped with the magnetic path.

Furthermore, fixed knot constructs can carry out slidable mounting to relay, improves the convenience of installation, fixed knot constructs including movable block, sliding connection groove, sliding block, stirring piece, electro-magnet, one side of movable block is equipped with the sliding connection groove, on the movable block with the adjacent one side of sliding connection groove is equipped with the sliding block, the top of movable block is equipped with stirring piece, on the movable block with the sliding connection groove one side of keeping away from is equipped with the electro-magnet.

Furthermore, the negative pressure jar with the mating connection is equipped with the automatically controlled switch valve on the nitrogen gas jar, the automatically controlled switch valve matching is equipped with relay fault detection device.

Furthermore, a button is arranged on one side of the outer side of the protection block of the mounting structure and matched with the electromagnet.

Further, the top end of the positive pressure fan is an air inlet, the bottom end of the positive pressure fan is provided with an air outlet, the air inlet is provided with a dust filter screen, and the bottom end of the dust filter screen is provided with a quicklime dehumidification layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a power system relay protection device possesses following

Has the advantages that:

(1) The utility model discloses a negative pressure jar and nitrogen gas jar that are equipped with can make perfect ties the back at relay equipment, manage to find time and aerify a large amount of nitrogen gas to equipment inside rapidly, make inside unable production burning condition, improve the protection to internal plant, reduce the influence to other equipment in the cabinet after the occurence of failure simultaneously.

(2) The utility model discloses a mounting structure and fixed knot that are equipped with can improve the fixed efficiency of installation to relay equipment and can not cause the influence to other equipment by solitary relay equipment when breaking down.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a main body of a relay protection device for an electric power system according to an embodiment of the present invention;

fig. 2 is a front view of a cabinet structure of a relay protection device for an electric power system according to an embodiment of the present invention;

fig. 3 is a main structure split view of a relay protection device of an electric power system according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an installation structure of a relay protection device for an electric power system according to an embodiment of the present invention;

fig. 5 is a schematic view of a fixing structure of a relay protection device of an electric power system according to an embodiment of the present invention;

fig. 6 is a rear view of a fixing structure of a relay protection device of an electric power system according to an embodiment of the present invention.

In the figure:

1. a cabinet structure; 101. a cabinet; 102. an inner cabinet; 2. a negative pressure tank; 3. a nitrogen tank; 4. a cabinet door; 5. a positive pressure fan; 6. a mounting structure; 601. a protection block; 602. slotting; 603. a sliding groove; 604. a magnetic block; 7. a fixed structure; 701. a moving block; 702. a sliding connecting groove; 703. a slider; 704. a shifting block; 705. an electromagnet.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

Now combine the attached drawing and detailed implementation to right the utility model discloses explain further, as shown in fig. 1-6, including cabinet body structure 1, one side of cabinet body structure 1 is equipped with negative pressure jar 2, and cabinet body structure 1 is equipped with nitrogen gas jar 3 in the one side of keeping away from negative pressure jar 2, and the one side adjacent with negative pressure jar 2 on the cabinet body structure 1 is equipped with cabinet door 4, and the top of cabinet body structure 1 is equipped with positive pressure fan 5, and the inside of cabinet body structure 1 is equipped with mounting structure 6, and the interior installation of mounting structure 6 is equipped with fixed knot and constructs 7.

The cabinet body structure 1 is a main external protective device of the relay equipment, and can prevent the relay equipment from being eroded by wind and rain;

the mounting structures 6 are mainly used for mounting the fixing structures 7, and a gap is arranged between every two mounting structures 6;

fixed knot constructs 7 and can carry out slidable mounting to relay equipment, improves the convenience of installation.

Cabinet body structure 1 includes cupboard 101, interior cabinet 102, and the inside of cupboard 101 is interior cabinet 102, and the installation is equipped with mounting structure 6 on the inner wall of interior cabinet 102, and the inner wall both sides of interior cabinet 102 are seted up with negative pressure jar 2 and nitrogen gas jar 3 assorted gas pocket.

Inner cabinet 102 of cupboard 101 is used for installing other structures, and the relay fault detection device of installation can detect relay equipment whether take place the trouble such as short circuit disconnection, when detecting out of order, can send out instruction to electric switch valve, make the passageway of negative pressure jar 2 open and absorb inner cabinet 102's air, later open nitrogen tank 3's passageway, make inner cabinet 102 be full of nitrogen gas, block combustible gas's entering, prevent the conflagration from taking place, positive pressure fan 5 can make inner cabinet 102 keep the malleation at normal operating in-process, make the air only can get into inner cabinet 102 through the air intake that possesses filtering capability, and then can't get into the air from other positions in keeping inner cabinet 102, and can keep inner cabinet 102's aridity, prevent that inner cabinet 102 from too moist and causing electrical equipment to wet and damage.

The mounting structure 6 comprises a protective block 601, a slot 602, a sliding groove 603 and a magnetic block 604, wherein the slot 602 is arranged at the top end of the protective block 601, the sliding groove 603 is arranged on the inner side of the protective block 601, and the magnetic block 604 is arranged on the inner side of the protective block 601 adjacent to the sliding groove 603.

The fixed structure 7 comprises a moving block 701, a sliding connection groove 702, a sliding block 703, a shifting block 704 and an electromagnet 705, wherein the sliding connection groove 702 is arranged on one side of the moving block 701, the sliding block 703 is arranged on one side, adjacent to the sliding connection groove 702, of the moving block 701, the shifting block 704 is arranged at the top end of the moving block 701, and the electromagnet 705 is arranged on one side, far away from the sliding connection groove 702, of the moving block 701.

The protection block 601 of the installation structure 6 is used for installing the fixed structure 7, the slot 602 is matched with the dial block 704, the sliding groove 603 is matched with the sliding block 703, the magnetic block 604 is matched with the electromagnet 705, the moving block 701 is in sliding connection with the protection block 601 through the sliding block 703, the sliding connection groove 702 is used for sliding connection installation of relay equipment, and the sliding connection groove 702 is provided with an existing device, so that after the relay equipment is in sliding connection, the relay equipment can be fixed, on-off control can be performed on the electromagnet 705 through pressing a button, magnetic adsorption between the electromagnet 705 and the magnetic block 604 can be controlled, when the button is not operated, the electromagnet 705 can be kept electrified, the electromagnet 604 can be kept in an adsorption device, at the moment, the relay equipment is installed inside the protection block 601, the influence of sputtering to other equipment when the equipment is in fault can be prevented, when the button is required to be disassembled, the electromagnet 705 is powered off, at the moment, the moving block 701 and the relay equipment can be integrally pulled out through the dial block 704, and then maintenance and other operations are performed.

The negative pressure tank 2 and the nitrogen tank 3 are connected in a matching manner and provided with an electric control switch valve, and the electric control switch valve is provided with a relay fault detection device in a matching manner.

A button is arranged on one side of the outer side of the protective block 601 of the mounting structure 6 and matched with the electromagnet 705.

The top of positive pressure fan 5 is the air intake, and positive pressure fan 5's bottom is equipped with the air outlet, and the air intake is equipped with the dust screen, and the bottom of dust screen is equipped with quick lime dehumidification layer.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In conclusion, with the above technical solution of the present invention, the inner cabinet 102 of the cabinet 101 is used for installing other structures, and the relay fault detection device installed in the inner cabinet 102 can detect whether the relay equipment has faults such as short circuit and open circuit, when detecting that the fault occurs, the device can send an instruction to the electric switch valve, so that the channel of the negative pressure tank 2 is opened to absorb the air in the inner cabinet 102, and then the channel of the nitrogen tank 3 is opened, so that the inner cabinet 102 is filled with nitrogen, the combustible gas is blocked, and a fire disaster is prevented, the positive pressure fan 5 can keep the inner cabinet 102 at positive pressure during normal operation, so that the air can only enter the inner cabinet 102 through the air inlet with filtering function, and further the inner cabinet 102 can not enter air from other parts, and the dryness of the inner cabinet 102 can be kept, and the inner cabinet 102 is prevented from being too humid to cause damp damage to the electrical equipment, the protective block 601 of the mounting structure 6 is used for mounting the fixed structure 7, the slot 602 is matched with the dial block 704, the sliding groove 603 is matched with the sliding block 703, the magnetic block 604 is matched with the electromagnet 705, the moving block 701 is connected with the protective block 601 through the sliding block 703 in a sliding manner, the sliding connecting groove 702 is used for connecting and mounting the relay device in a sliding manner, the sliding connecting groove 702 is provided with the existing device, after the relay device is connected in a sliding manner, the relay device can be fixed, the electromagnet 705 can be controlled to be switched on and off by pressing the button, the magnetic adsorption between the electromagnet 705 and the magnetic block 604 can be controlled, when the button is not operated, the electromagnet 705 can be kept electrified and keeps an adsorption device with the magnetic block 604, and at the moment, the relay device is mounted in the protective block 601, the influence of sputtering to other devices when the device is in failure can be prevented, when the device needs to be dismounted, the button is pressed, the electromagnet 705 is powered off, at this time, the moving block 701 and the relay device can be pulled out as a whole by the moving block 704, and further, maintenance and other operations are performed.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric power system relay protection device, a serial communication port, including cabinet body structure (1), one side of cabinet body structure (1) is equipped with negative pressure jar (2), cabinet body structure (1) is keeping away from one side of negative pressure jar (2) is equipped with nitrogen gas jar (3), on cabinet body structure (1) with one side that negative pressure jar (2) are adjacent is equipped with cabinet door (4), the top of cabinet body structure (1) is equipped with positive pressure fan (5), the inside of cabinet body structure (1) is equipped with mounting structure (6), the interior installation of mounting structure (6) is equipped with fixed knot constructs (7).

2. The power system relay protection device according to claim 1, wherein the cabinet body structure (1) comprises a cabinet (101) and an inner cabinet (102), the inner cabinet (102) is arranged inside the cabinet (101), a mounting structure (6) is mounted on the inner wall of the inner cabinet (102), and air holes matched with the negative pressure tank (2) and the nitrogen tank (3) are formed in two sides of the inner wall of the inner cabinet (102).

3. The relay protection device for the power system as claimed in claim 2, wherein the mounting structure (6) comprises a protection block (601), a slot (602), a sliding groove (603) and a magnetic block (604), the slot (602) is formed at the top end of the protection block (601), the sliding groove (603) is formed on the inner side of the protection block (601), and the magnetic block (604) is formed on the side, adjacent to the sliding groove (603), of the inner side of the protection block (601).

4. The power system relay protection device according to claim 3, wherein the fixed structure (7) comprises a moving block (701), a sliding connection groove (702), a sliding block (703), a moving block (704) and an electromagnet (705), the sliding connection groove (702) is arranged on one side of the moving block (701), the sliding block (703) is arranged on one side of the moving block (701) adjacent to the sliding connection groove (702), the moving block (704) is arranged at the top end of the moving block (701), and the electromagnet (705) is arranged on one side of the moving block (701) far away from the sliding connection groove (702).

5. The relay protection device for the power system according to claim 4, wherein the negative pressure tank (2) and the nitrogen tank (3) are provided with an electrically controlled switch valve in a matching connection manner, and the electrically controlled switch valve is provided with a relay fault detection device in a matching manner.

6. The relay protection device for the power system according to claim 5, wherein a button is provided on an outer side of the protection block (601) of the mounting structure (6), and the button is matched with the electromagnet (705).

7. The power system relay protection device according to claim 6, wherein an air inlet is formed in the top end of the positive pressure fan (5), an air outlet is formed in the bottom end of the positive pressure fan (5), a dust filter screen is arranged at the air inlet, and a quicklime dehumidifying layer is arranged at the bottom end of the dust filter screen.