CN219475651U - Partial discharge monitoring sensor of guide rail type movable switch cabinet - Google Patents

Abstract

The utility model relates to a partial discharge monitoring sensor of a guide rail type movable switch cabinet, which comprises a base, wherein a protection box is fixed on the upper surface of the base, a monitoring sensor body is inserted into the protection box, a ventilation mechanism for radiating heat is arranged on the right side of the monitoring sensor body, a buffer mechanism for weakening impact force is arranged on the top wall of an inner cavity of the protection box, and the ventilation mechanism comprises a heat radiating box fixed on the right side of the monitoring sensor body. This monitoring sensor is put in guide tracked removal cubical switchboard office under ventilation mechanism's effect releases the heat that monitoring sensor body produced to its outside through first fan, radiating box, radiating fin, semiconductor radiator and the cooperation of second dust screen, accelerates the inside circulation of air of guard box through the cooperation of air exhauster, second fan and first dust screen simultaneously to make the heat that the radiating box released circulate to the outside fast, and then improve its radiating efficiency to monitoring sensor body.

Description

A guide rail type mobile switchgear partial discharge monitoring sensor

technical field

The utility model relates to the technical field of switch cabinet partial discharge detection, in particular to a guide rail type mobile switch cabinet partial discharge monitoring sensor.

Background technique

The switch cabinet is one of the tools that people use for electricity. It can step down a large amount of high-voltage current to form a low-voltage current that can be used by people normally. It is more convenient to use, but because the current inside the switch cabinet is relatively large, it needs to be adjusted Partial discharge detection is carried out inside the switchgear to ensure the safety of the switchgear. Usually, during the detection process, the switchgear is moved through the guide rail, which is convenient for the detection of the switchgear and easy to use.

An example of a Chinese patent, the utility model discloses a local on-line monitoring sensor of a rail-type mobile switchgear, including an installation jacket, a monitoring sensor, and an installation base. A monitoring sensor is inserted inside the installation jacket, and the inner wall of the installation jacket A shock-absorbing mechanism is provided, and the bottom end of the installation jacket is fixedly installed with an installation base, and both sides of the installation base are provided with grooves, and the inside of the groove is provided with an installation mechanism, and the installation mechanism includes an installation rod, The first spring, the installation sleeve and the fixing bolt, the inside of the groove is inserted with the installation rod, and the outer wall of the installation rod is sleeved with the first spring, the utility model can make the monitoring sensor be installed by being provided with the installation base and the fixing bolt It is more convenient. At the same time, the suction cup can make the installation more stable. The installation jacket and connecting plate can monitor the sensor for protection. At the same time, it can absorb the shock of the monitoring sensor and further protect the monitoring sensor.

The above-mentioned patents still have certain defects. The on-line monitoring sensor of the switchgear will generate more heat during operation. It will affect the measurement accuracy of the sensor itself, and at the same time, if the temperature is too high, it will accelerate the aging of the internal parts of the equipment, resulting in a decrease in the service life of the equipment.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a guide rail type mobile switch cabinet partial discharge monitoring sensor, which has the advantages of good heat dissipation effect and solves the problem that the measurement accuracy of the sensor itself may be affected when the temperature is too high. If it is too high, it will cause the problem of accelerated aging of the internal parts of the equipment.

In order to achieve the above purpose, the utility model provides the following technical solutions: a partial discharge monitoring sensor for a rail-type mobile switchgear, including a base, a protection box is fixed on the upper surface of the base, and a monitoring sensor is inserted inside the protection box The main body, the right side of the monitoring sensor body is provided with a ventilation mechanism for heat dissipation, and the top wall of the inner cavity of the protection box is provided with a buffer mechanism for weakening the impact force;

The ventilation mechanism includes a heat dissipation box fixed on the right side of the monitoring sensor body, the top wall and the bottom wall of the inner cavity of the heat dissipation box are fixed with a second dust-proof net, and the right side wall of the inner cavity of the heat dissipation box is fixed with a fixed block, the left side of the fixed block is fixed with a first fan, the right side of the monitoring sensor body is fixed with a semiconductor radiator and the semiconductor radiator is located inside the cooling box, and the left and right sides of the semiconductor radiator are fixed with cooling fins.

Further, a second fan is fixed on the top wall of the inner cavity of the protection box, a first dust-proof net is fixed on the upper surface of the protection box, and an exhaust fan is fixed on the right side of the protection box.

Further, the shape of the heat dissipation box is a hollow cuboid with missing left and right sides, vents are opened on the upper surface and the lower surface of the heat dissipation box, and the second dust-proof net is fixed inside the vents.

Further, the right side of the monitoring sensor body is provided with a through hole for inserting the left cooling fin, and the first fan is located on the upper side of the right cooling fin.

Furthermore, an air inlet is opened on the upper surface of the protection box, the first dust-proof net is fixed inside the air inlet, and an air outlet for communicating with an exhaust fan is opened on the right side of the protection box.

Further, the buffer mechanism includes no less than two limit springs fixed on the top wall of the inner chamber of the protection box, a buffer plate is fixed on the lower surface of the limit spring, and a buffer plate is fixed on the lower surface of the buffer plate. The rubber pad attached to the monitoring sensor body, the upper surface of the buffer plate is fixed with not less than two limit rods and the limit rods are located inside the limit spring, and the top of the limit rod is fixed with a limit block .

Further, the upper surface of the protection box is provided with a limit hole for the limit rod to pass through, and the limit rod is matched with the protection box through the limit hole, and the number is not less than two. The limit springs are evenly distributed on the upper surface of the rubber mat.

Compared with the prior art, the technical solution of the present application has the following beneficial effects:

1. The partial discharge monitoring sensor of the rail-type mobile switchgear releases the heat generated by the monitoring sensor body through the cooperation of the first fan, cooling box, cooling fins, semiconductor radiator and the second dust-proof net under the action of the ventilation mechanism At the same time, through the cooperation of the exhaust fan, the second fan and the first dust-proof net, the air circulation inside the protective box is accelerated, so that the heat released by the cooling box can be quickly circulated to the outside, thereby improving the cooling efficiency of the monitoring sensor body .

2. The partial discharge monitoring sensor of the rail-type mobile switchgear weakens the impact force through the cooperation of the limit block, limit rod, limit spring, buffer plate and rubber pad under the action of the buffer mechanism, so that the impact force cannot be affected to the monitoring sensor body, while preventing the monitoring sensor body from being impacted and moving upwards to collide with the top wall of the inner chamber of the protection box.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the schematic diagram of ventilation mechanism of the present utility model;

Fig. 3 is a schematic diagram of the buffer mechanism of the present invention.

Among the figure: 1 ventilation mechanism, 101 exhaust fan, 102 fixed block, 103 first fan, 104 second fan, 105 first dustproof net, 106 cooling box, 107 cooling fin, 108 semiconductor radiator, 109 second anti-dust Dust net, 2 buffer mechanism, 201 limit block, 202 limit rod, 203 limit spring, 204 buffer plate, 205 rubber pad, 3 protection box, 4 monitoring sensor body, 5 base.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, a partial discharge monitoring sensor for a rail-type mobile switchgear in this embodiment includes a base 5, a protection box 3 is fixed on the upper surface of the base 5, and a monitoring sensor body 4 is inserted inside the protection box 3, The right side of the monitoring sensor body 4 is provided with a ventilation mechanism 1 for heat dissipation, and the top wall of the inner cavity of the protection box 3 is provided with a buffer mechanism 2 for weakening the impact force. The electrical components appearing in the text are all electrically connected to the main controller and the power supply. The master controller can be a conventionally known device for controlling such as a computer, and the existing disclosed power connection technology will not be repeated in this article.

Please refer to Fig. 2, in order to improve the heat dissipation effect, the ventilation mechanism 1 in the present embodiment includes a heat dissipation box 106 fixed on the right side of the monitoring sensor body 4, and the top wall and the bottom wall of the heat dissipation box 106 inner cavity are fixed with a second dustproof Net 109, the right side wall of cooling box 106 cavity is fixed with fixed block 102, and the left side of fixed block 102 is fixed with first fan 103, and the right side of monitoring sensor body 4 is fixed with semiconductor radiator 108 and semiconductor radiator 108 is positioned at In the inside of the cooling box 106, the left and right sides of the semiconductor radiator 108 are fixed with cooling fins 107, and the semiconductor radiator 108 absorbs the heat inside the monitoring sensor body 4 through the cooling fins 107 on the left side and passes through the cooling fins on the right side. The sheet 107 releases it into the interior of the heat sink 106 .

In this embodiment, the first fan 103 blows and dissipates heat to the heat dissipation fin 107 on the right side to accelerate the release of heat, thereby accelerating the rate at which the heat dissipation fin 107 on the left side absorbs heat, and the heat is blown out by the first fan 103 for heat dissipation Inside the case 106, the top wall of the protection case 3 cavity is fixed with a second fan 104, the upper surface of the protection case 3 is fixed with a first dustproof net 105, and the right side of the protection case 3 is fixed with an exhaust fan 101, and the second fan 104 is started. The fan 104 and the exhaust fan 101 make the air inside the protection box 3 circulate quickly, and when the air circulates, the heat released in the heat dissipation box 106 is carried out of the protection box 3 to improve heat dissipation efficiency. The shape of the heat dissipation box 106 is hollow inside and The left and right sides are all missing cuboids, the upper surface and the lower surface of the cooling box 106 are provided with vents, the second dust-proof net 109 is fixed inside the vents, and the right side of the monitoring sensor body 4 is provided with a vent for the left side to dissipate heat. Fin 107 inserts the through hole, the first fan 103 is positioned at the upper side of right cooling fin 107, and the upper surface of protection box 3 is provided with air inlet, and the first dust-proof net 105 is fixed on the inside of air inlet, and protection box The right side of 3 is provided with the air outlet that is communicated with exhaust fan 101, and the control mode of the present utility model is controlled by controller, and the control circuit of controller can be realized through the simple programming of those skilled in the art, and the provision of power supply It also belongs to common knowledge in this field, and the utility model is mainly used to protect mechanical devices, so the utility model no longer explains the control mode and circuit connection in detail.

It should be noted that the ventilation mechanism 1 releases the heat generated by the monitoring sensor body 4 to its outside through the cooperation of the first fan 103, the cooling box 106, the cooling fins 107, the semiconductor radiator 108 and the second dust-proof net 109, and at the same time Through the cooperation of the exhaust fan 101, the second fan 104 and the first dust-proof net 105, the air circulation inside the protection box 3 is accelerated, so that the heat released by the heat dissipation box 106 is quickly circulated to the outside, and then the heat dissipation of the monitoring sensor body 4 is improved. efficiency.

Please refer to Fig. 3, in order to prevent the monitoring sensor body 4 from colliding with the protection box 3, the buffer mechanism 2 in this embodiment includes no less than two limit springs 203 fixed on the top wall of the inner cavity of the protection box 3, and the limit The lower surface of the position spring 203 is fixed with a buffer plate 204, the lower surface of the buffer plate 204 is fixed with a rubber pad 205 that fits the monitoring sensor body 4, and the upper surface of the buffer plate 204 is fixed with a number of not less than two limit rods 202 and the limit rod 202 is located inside the limit spring 203, and the top end of the limit rod 202 is fixed with the limit block 201.

In this embodiment, the upper surface of the protection box 3 is provided with a limit hole for the limit rod 202 to pass through, and the limit rod 202 is clearance-fitted with the protection case 3 through the limit hole, and the length of the limit block 201 is greater than the limit. The length of the inner cavity of the positioning hole is not less than two limit springs 203 evenly distributed on the upper surface of the rubber pad 205, and the number of limit rods 202 and limit springs 203 is equal.

It should be noted that the buffer mechanism 2 weakens the impact force through the cooperation of the limit block 201, the limit rod 202, the limit spring 203, the buffer plate 204 and the rubber pad 205, so that the impact force cannot affect the monitoring sensor body 4, At the same time, the monitoring sensor body 4 is prevented from colliding with the top wall of the inner cavity of the protection box 3 and moving upwards under the impact.

The working principle of the above-mentioned embodiment is:

(1) start the semiconductor radiator 108 when the monitoring sensor body 4 starts, the semiconductor radiator 108 absorbs the heat inside the monitoring sensor body 4 by the heat dissipation fin 107 on the left side and releases it to the Inside the cooling box 106, then start the first fan 103, and the first fan 103 blows and dissipates heat to the heat dissipation fin 107 on the right side to accelerate the release of heat, thereby accelerating the rate at which the heat dissipation fin 107 on the left side absorbs heat, and passes through the second heat dissipation fin 107. A fan 103 blows heat out of the inside of the cooling box 106, and then starts the second fan 104 and the exhaust fan 101, so that the air in the protection box 3 is circulated quickly, and the heat released in the cooling box 106 is carried out of the protection box while the air is circulating. The box 3 improves the heat dissipation efficiency, and the ventilation mechanism 1 releases the heat generated by the monitoring sensor body 4 to its outside through the cooperation of the first fan 103, the cooling box 106, the cooling fins 107, the semiconductor radiator 108 and the second dust-proof net 109 At the same time, through the cooperation of the exhaust fan 101, the second fan 104 and the first dust-proof net 105, the air circulation inside the protection box 3 is accelerated, so that the heat released by the heat dissipation box 106 can quickly flow to the outside, and then improve its effect on the monitoring sensor body 4 cooling efficiency.

(2) When the monitoring sensor body 4 is impacted, the rubber pad 205 is pushed upwards, and the buffer plate 204 is driven to move upward together by the rubber pad 205, and the limit rod 202 is driven by the buffer plate 204 to move upward and compress the limit spring 203 at the same time. The position spring 203 is compressed to produce a rebound force that weakens the impact force and pushes the monitoring sensor body 4 downwards, thereby reducing the impact of the impact force on the monitoring sensor body 4. The cooperation of the buffer plate 204 and the rubber pad 205 weakens the impact force, so that the impact force cannot affect the monitoring sensor body 4, and simultaneously avoids the monitoring sensor body 4 being impacted and moving upwards to collide with the top wall of the protection box 3 inner cavity.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A guide rail type mobile switch cabinet partial discharge monitoring sensor, comprising a base (5), characterized in that: the upper surface of the base (5) is fixed with a protection box (3), and the inside of the protection box (3) A monitoring sensor body (4) is inserted, the right side of the monitoring sensor body (4) is provided with a ventilation mechanism (1) for heat dissipation, and the top wall of the inner cavity of the protection box (3) is provided with a The buffer mechanism (2); The ventilation mechanism (1) includes a cooling box (106) fixed on the right side of the monitoring sensor body (4), the top wall and the bottom wall of the inner cavity of the cooling box (106) are fixed with a second dust-proof net (109 ), the right side wall of the inner cavity of the cooling box (106) is fixed with a fixed block (102), the left side of the fixed block (102) is fixed with a first fan (103), and the monitoring sensor body (4) The right side of the semiconductor radiator (108) is fixed and the semiconductor radiator (108) is located in the inside of the cooling box (106), and the left and right sides of the semiconductor radiator (108) are all fixed with cooling fins (107). 2. A partial discharge monitoring sensor for a rail-type mobile switchgear according to claim 1, characterized in that: a second fan (104) is fixed on the top wall of the inner cavity of the protection box (3), and the protection box A first dust-proof net (105) is fixed on the upper surface of (3), and an exhaust fan (101) is fixed on the right side of the protection box (3). 3. A partial discharge monitoring sensor for a rail-type mobile switchgear according to claim 1, characterized in that: the shape of the heat dissipation box (106) is a cuboid with a hollow interior and missing left and right sides, and the heat dissipation box (106) Both the upper surface and the lower surface of (106) are provided with air vents, and the second dustproof net (109) is fixed inside the air vents. 4. A partial discharge monitoring sensor for a rail-type mobile switchgear according to claim 1, characterized in that: the right side of the monitoring sensor body (4) is provided with a left cooling fin (107) for plugging The first fan (103) is located on the upper side of the right cooling fin (107). 5. A partial discharge monitoring sensor for a rail-type mobile switchgear according to claim 2, characterized in that: the upper surface of the protection box (3) is provided with an air inlet, and the first dust-proof net (105) It is fixed inside the air inlet, and the right side of the protection box (3) is provided with an air outlet for communicating with the exhaust fan (101). 6. A partial discharge monitoring sensor for a rail-type mobile switchgear according to claim 1, characterized in that: the buffer mechanism (2) includes not less than two parts fixed on the inner cavity top wall of the protection box (3). A limit spring (203), the lower surface of the limit spring (203) is fixed with a buffer plate (204), and the lower surface of the buffer plate (204) is fixed with a monitoring sensor body (4) fit A rubber pad (205), the upper surface of the buffer plate (204) is fixed with not less than two limit rods (202) and the limit rods (202) are located inside the limit spring (203), the A limit block (201) is fixed on the top of the limit rod (202). 7. A partial discharge monitoring sensor for a rail-type mobile switchgear according to claim 6, characterized in that: the upper surface of the protection box (3) is provided with a limit hole for the limit rod (202) to pass through , and the limit rod (202) is clearance-fitted with the protection box (3) through the limit hole, and the quantity is not less than two limit springs (203) evenly distributed on the upper surface of the rubber pad (205).