Protective device of contact type voltage regulator

Abstract

The utility model belongs to the field of protective equipment, and particularly relates to a protective device of a contact type voltage regulator, which comprises a cabinet body, an intelligent voltage regulating assembly is mounted in the cabinet body, a protective shell is mounted at the top of the cabinet body, a fire extinguishing mechanism is arranged in the protective shell, and ventilation holes are formed in the inner walls of the two sides of the cabinet body. The fire extinguishing mechanism comprises a fire extinguishing agent tank, a pipeline and a fire extinguishing agent spray head, the fire extinguishing agent tank is installed in the protective shell through a detachable structure, the pipeline is installed at an opening of the fire extinguishing agent tank, the fire extinguishing agent spray head is installed at one end of the pipeline, and an electromagnetic valve is arranged on the pipeline; a fire extinguishing opening is formed in the top of the cabinet body, and the fire extinguishing agent spray head is located above the fire extinguishing opening. According to the utility model, the design is reasonable, the intelligent pressure regulating assembly can be protected through the cabinet body, and the purpose of performing fire extinguishing protection on the intelligent pressure regulating assembly can be achieved through the arrangement of the fire extinguishing mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective equipment, especially to a protection device of contact type voltage regulator. BACKGROUND

[0002] The contact type voltage regulator is a commonly used voltage regulating equipment, which is widely used in the fields of industry, power, communication, etc. It adjusts the output voltage by changing the position of the brush on the winding.

[0003] However, in the actual use process, the contact type voltage regulator has some safety hazards. For example, the brush of the voltage regulator may be worn out after a long time of operation, producing sparks and easily causing a fire; at the same time, the voltage regulator generates heat when working, and if the heat dissipation is poor, it will affect its performance and service life, and even may cause equipment failure, therefore we propose a protection device of contact type voltage regulator to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and proposes a protection device of contact type voltage regulator.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A protection device of contact type voltage regulator, comprising a cabinet body, an intelligent voltage regulating assembly is installed in the cabinet body, a protective shell is installed on the top of the cabinet body, a fire extinguishing mechanism is arranged in the protective shell, ventilation holes are formed in the inner walls of the two sides of the cabinet body, rainproof boards are installed on the two sides of the cabinet body and matched with the ventilation holes, the fire extinguishing mechanism comprises a fire extinguishing agent tank, a pipeline and a fire extinguishing agent nozzle, the fire extinguishing agent tank is installed in the protective shell through a detachable structure, the opening of the fire extinguishing agent tank is installed with the pipeline, one end of the pipeline is installed with the fire extinguishing agent nozzle, an electromagnetic valve is arranged on the pipeline, a fire extinguishing opening is formed in the top of the cabinet body, the fire extinguishing agent nozzle is located above the fire extinguishing opening, and a sealing mechanism is arranged in the fire extinguishing opening.

[0007] Preferably, sealing plates for sealing the ventilation holes are slidably installed on the inner walls of the two sides of the cabinet body, a driving mechanism is arranged in the protective shell, and the driving mechanism is connected with the sealing plates.

[0008] Preferably, the driving mechanism comprises a push rod motor and a driving plate, the driving plate is fixedly installed on the sealing plate, two push rod motors are fixedly installed on the inner walls of the top of the protective shell, and the output shafts of the push rod motors are fixedly connected with the corresponding driving plates.

[0009] Preferably, the sealing mechanism comprises a moving groove and a shielding plate, the moving groove is formed in the inner walls of the two sides of the fire extinguishing opening, and the shielding plate for sealing the fire extinguishing opening is slidably installed in the moving groove.

[0010] Preferably, a push hole is formed in the inner wall of the bottom of the moving groove, a push base is slidably installed in the push hole, a hinge rod is hinged to one side of the push base, and the bottom end of the hinge rod is hinged to the corresponding sealing plate.

[0011] Preferably, a vertical rod is fixedly installed on the top inner wall of the protective shell, a rectangular groove is formed in the bottom of the vertical rod, a rectangular rod is slidably installed in the rectangular groove, a fixed plate is fixedly installed on the bottom of the rectangular rod, and the fire extinguishing agent nozzle is detachably installed on the fixed plate.

[0012] Preferably, a fixed spring is fixedly installed on the top inner wall of the rectangular groove, the bottom end of the fixed spring is fixedly installed on the rectangular rod, the bottom of the fixed plate is fixedly installed with a jacking rod, and the jacking rod is in contact with the shielding plate.

[0013] Preferably, a smoke sensor is fixedly installed on the top inner wall of the cabinet body, a controller is installed in the protective shell, and the smoke sensor, the push rod motor and the electromagnetic valve are electrically connected with the controller.

[0014] Preferably, the intelligent pressure regulating assembly is composed of a protective circuit breaker, a gear contactor, a pressure regulating transformer, and an intelligent control lightning arrester.

[0015] The utility model discloses the beneficial effect:

[0016] 1. The cabinet can accommodate and protect the intelligent pressure regulating assembly, the ventilation hole can realize the heat dissipation of the intelligent pressure regulating assembly, and the rainproof plate is installed on the two sides of the cabinet, so that rainwater can not enter the cabinet through the ventilation hole and damage the intelligent pressure regulating assembly.

[0017] 2. When the intelligent pressure regulating assembly catches fire, the smoke sensor can receive the smoke signal and send it to the controller, the push rod motor is started by the controller, and the bottom sealing plate moves downward to seal the ventilation hole, so that the oxygen entering is reduced.

[0018] 3. When the movement of the shielding plate releases the pressure on the jacking rod, the fixed spring can push the rectangular rod, the fixed plate and the fire extinguishing agent nozzle to move downward under the elastic force of the fixed spring, so that the fire extinguishing agent nozzle moves into the cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a kind of three-dimensional structure schematic diagram of protective device of contact type pressure regulator;

[0020] Figure 2The utility model provides a kind of protective device of contact type voltage regulator's sectional view three-dimensional structure schematic diagram;

[0021] Figure 3 The utility model provides a kind of protective device of contact type voltage regulator's A part structure schematic diagram;

[0022] Figure 4 The utility model provides a kind of protective device of contact type voltage regulator's B part structure schematic diagram.

[0023] In the drawing: 1, cabinet body;2, intelligent pressure regulating component;3, protective shell;4, fire extinguishing mechanism;401, fire extinguishing agent tank;402, pipeline;403, fire extinguishing agent nozzle;501, ventilation hole;502, rain shield;601, push rod motor;602, drive plate;603, sealing plate;701, smoke sensor;702, controller;801, fire extinguishing port;802, moving groove;803, baffle;901, push hole;902, push seat;903, hinged rod;1001, vertical rod;1002, rectangular groove;1003, rectangular rod;1004, fixed spring;1005, fixed plate;1006, top rod. DETAILED DESCRIPTION

[0024] The following will be described in detail in combination with the drawings Figures 1-4 The present application is further described in detail.

[0025] The present application discloses a kind of protective device of contact type voltage regulator.

[0026] Refer to Figures 1-2The utility model provides a kind of protective device of contact voltage regulator, including cabinet 1, intelligent voltage regulating assembly 2 is installed in cabinet 1, more specifically, intelligent voltage regulating assembly 2 is composed of protection circuit breaker, shift contactor, voltage regulating transformer, intelligent control static arrester, intelligent voltage regulating assembly 2 can realize real-time tracking equipment output end (user end) voltage, when single-phase equipment output end actual voltage is lower than input voltage (default value is AC 210), equipment automatically regulates and upgrades until highest gear 3;When equipment detects that output end actual voltage is higher than cut-off voltage (default value is AC 235V), equipment automatically regulates and reduces voltage until lowest gear 0;When equipment detects that output end actual voltage is higher than overvoltage threshold (default value 250V), equipment immediately starts overvoltage protection and automatically cuts to lowest gear 0 (equipment detects that output end actual voltage recovers to threshold below, and equipment automatically removes overvoltage protection);When detecting that output end actual current exceeds set value and reaches set time, equipment immediately starts overcurrent protection and automatically cuts to lowest gear 0 (equipment detects that output end actual current recovers to threshold below, and equipment automatically removes overcurrent protection), protective shell 3 is installed at the top of cabinet 1, fire extinguishing mechanism 4 is arranged in protective shell 3, ventilation hole 501 is formed in the inner wall of both sides of cabinet 1, rain baffle 502 that is matched with ventilation hole 501 is installed at the both sides of cabinet 1, fire extinguishing mechanism 4 includes fire extinguishing agent tank 401, pipeline 402 and fire extinguishing agent nozzle 403, fire extinguishing agent tank 401 is installed in protective shell 3 by detachable structure, the opening of fire extinguishing agent tank 401 is provided with pipeline 402, one end of pipeline 402 is provided with fire extinguishing agent nozzle 403, and electromagnetic valve is arranged on pipeline 402, fire extinguishing port 801 is formed at the top of cabinet 1, and fire extinguishing agent nozzle 403 is located above fire extinguishing port 801, and sealing mechanism is arranged in fire extinguishing port 801.

[0027] Refer to Figures 2-3 Sealing plate 603 for sealing ventilation hole 501 is slidably installed on the inner wall of both sides of cabinet 1, driving mechanism is arranged in protective shell 3, driving mechanism is connected with sealing plate 603, driving mechanism includes push rod motor 601 and drive plate 602, drive plate 602 is fixedly installed on sealing plate 603, two push rod motors 601 are fixedly installed on the inner wall at the top of protective shell 3, and the output shaft of push rod motor 601 is fixedly connected with corresponding drive plate 602, by being provided with push rod motor 601, push rod motor 601 can drive sealing plate 603 to move and close ventilation hole 501, to realize the sealing of cabinet 1, the purpose of reducing the entry of oxygen and reducing the fire intensity can be realized.

[0028] Refer to Figure 3The sealing mechanism comprises a moving groove 802 and a shielding plate 803, the moving groove 802 is arranged on the inner wall of both sides of the fire extinguishing port 801, the shielding plate 803 for sealing the fire extinguishing port 801 is slidably arranged in the moving groove 802, the shielding plate 803 is arranged to separate the intelligent pressure regulating assembly 2 and the fire extinguishing mechanism 4, a pushing hole 901 is arranged on the bottom inner wall of the moving groove 802, a pushing seat 902 is slidably arranged in the pushing hole 901, a hinged rod 903 is hinged on one side of the pushing seat 902, and the bottom end of the hinged rod 903 is hinged on the corresponding sealing plate 603, the movement of the sealing plate 603 can drive the pushing seat 902 and the shielding plate 803 to move through the hinged rod 903, so that the synchronous movement of the sealing plate 603 and the shielding plate 803 can be realized.

[0029] With reference to Figure 4 A vertical rod 1001 is fixedly arranged on the top inner wall of the protective shell 3, a rectangular groove 1002 is arranged on the bottom of the vertical rod 1001, a rectangular rod 1003 is slidably arranged in the rectangular groove 1002, a fixed plate 1005 is fixedly arranged on the bottom of the rectangular rod 1003, and the fire extinguishing agent nozzle 403 is detachably arranged on the fixed plate 1005, a fixed spring 1004 is fixedly arranged on the top inner wall of the rectangular groove 1002, the bottom end of the fixed spring 1004 is fixedly arranged on the rectangular rod 1003, a top rod 1006 is fixedly arranged on the bottom of the fixed plate 1005, and the top rod 1006 is in contact with the shielding plate 803, the movement of the shielding plate 803 can release the pressure on the top rod 1006, under the elastic force of the fixed spring 1004, the fixed spring 1004 can push the rectangular rod 1003, the fixed plate 1005 and the fire extinguishing agent nozzle 403 to move downward, so that the fire extinguishing agent nozzle 403 moves into the cabinet 1, a smoke sensor 701 is fixedly arranged on the top inner wall of the cabinet 1, a controller 702 is arranged in the protective shell 3, and the smoke sensor 701, the pushing rod motor 601 and the electromagnetic valve are electrically connected with the controller 702.

[0030] The utility model discloses a working principle: through cabinet 1 can store protection to intelligent pressure regulating component 2, through being provided with ventilation hole 501 can realize to intelligent pressure regulating component 2 heat dissipation, simultaneously through the both sides installation rainproof board of cabinet 1, avoid rainwater through ventilation hole 501 and enter cabinet 1 and cause intelligent pressure regulating component 2's damage, through being provided with smoke transducer 701 can carry out fire detection to intelligent pressure regulating component 2, when intelligent pressure regulating component 2 appears fire, smoke transducer 701 can receive smoke signal and take place to controller 702 at this moment, through controller 702 start push rod motor 601, and push rod motor 601 can drive drive board 602 and sealing plate 603 and move downwards, through sealing plate 603 can seal ventilation hole 501, can reduce the entry of oxygen, and sealing plate 603 can drive push seat 902 and shelter board 803 and move through hinged link 903, to open the purpose of fire extinguishing mouth 801 can be realized, when the movement of shelter board 803 can remove the pressurization of top rod 1006, under the elastic force action of fixed spring 1004, fixed spring 1004 can push rectangular rod 1003, fixed plate 1005 and fire extinguishing agent spray head 403 and move downwards, make fire extinguishing agent spray head 403 move into cabinet 1, through controller 702 can start solenoid valve, make the fire extinguishing agent in fire extinguishing agent tank 401 through fire extinguishing agent spray head 403 and spray to intelligent pressure regulating component 2 to intelligent pressure regulating component 2 realizes the purpose of fire extinguishing protection.

Claims

1. A guard for a contact pressure regulator, characterized in that The application relates to a cabinet body (1) which is internally provided with an intelligent pressure regulating assembly (2), the top of the cabinet body (1) is provided with a protective shell (3), the protective shell (3) is internally provided with a fire extinguishing mechanism (4), ventilation holes (501) are formed in the inner walls of the two sides of the cabinet body (1), and rainproof plates (502) matched with the ventilation holes (501) are arranged on the two sides of the cabinet body (1). The fire extinguishing mechanism (4) comprises a fire extinguishing agent tank (401), a pipeline (402) and a fire extinguishing agent nozzle (403), the fire extinguishing agent tank (401) is detachably arranged in the protective shell (3), the pipeline (402) is arranged on the opening of the fire extinguishing agent tank (401), one end of the pipeline (402) is provided with the fire extinguishing agent nozzle (403), an electromagnetic valve is arranged on the pipeline (402), a fire extinguishing opening (801) is formed in the top of the cabinet body (1), the fire extinguishing agent nozzle (403) is arranged above the fire extinguishing opening (801), and a sealing mechanism is arranged in the fire extinguishing opening (801).

2. A guard for a contact pressure regulator according to claim 1, wherein Sealing plates (603) for sealing the ventilation holes (501) are slidably arranged on the inner walls of the two sides of the cabinet body (1), and a driving mechanism is arranged in the protective shell (3) and connected with the sealing plates (603).

3. A guard for a contact pressure regulator according to claim 2, wherein The driving mechanism comprises push rod motors (601) and driving plates (602), the driving plates (602) are fixedly arranged on the sealing plates (603), two push rod motors (601) are fixedly arranged on the inner walls of the top of the protective shell (3), and the output shafts of the push rod motors (601) are fixedly connected with the corresponding driving plates (602).

4. A guard for a contact pressure regulator as defined in claim 1, wherein The sealing mechanism comprises moving grooves (802) and shielding plates (803), the moving grooves (802) are formed in the inner walls of the two sides of the fire extinguishing opening (801), and the shielding plates (803) for sealing the fire extinguishing opening (801) are slidably arranged in the moving grooves (802).

5. A guard for a contact pressure regulator according to claim 4, wherein Push holes (901) are formed in the bottom inner walls of the moving grooves (802), push seats (902) are slidably arranged in the push holes (901), hinge rods (903) are hingedly arranged on one side of the push seats (902), and the bottom ends of the hinge rods (903) are hingedly arranged on the corresponding sealing plates (603).

6. A guard for a contact pressure regulator as defined in claim 1, wherein A vertical rod (1001) is fixedly arranged on the inner wall of the top of the protective shell (3), a rectangular groove (1002) is formed in the bottom of the vertical rod (1001), a rectangular rod (1003) is slidably arranged in the rectangular groove (1002), a fixed plate (1005) is fixedly arranged on the bottom of the rectangular rod (1003), and the fire extinguishing agent nozzle (403) is detachably arranged on the fixed plate (1005).

7. A guard for a contact pressure regulator according to claim 6, wherein A fixed spring (1004) is fixedly arranged on the top inner wall of the rectangular groove (1002), the bottom end of the fixed spring (1004) is fixedly arranged on the rectangular rod (1003), a top rod (1006) is fixedly arranged on the bottom of the fixed plate (1005), and the top rod (1006) is in contact with the shielding plate (803).

8. A guard for a contact pressure regulator as defined in claim 1, wherein The smoke sensor (701) is fixedly installed on the top inner wall of the cabinet body (1), the controller (702) is installed in the protective shell (3), and the smoke sensor (701), the push rod motor (601) and the electromagnetic valve are electrically connected with the controller (702).

9. A guard for a contact pressure regulator as defined in claim 1, wherein The intelligent voltage regulating assembly (2) is composed of a protection circuit breaker, a gear shifting contactor, a voltage regulating transformer and an intelligent control static arrester.

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