Relay protection device for working of electromechanical equipment

Abstract

The invention discloses a relay protection device for working of electromechanical equipment, and relates to the technical field of relay protection devices, the relay protection device comprises a shell and a line protector, through use of a covering assembly, carbon dioxide gas pushes plugging blocks to move, a heavy block drives a pull rope to enable the plugging blocks to move downwards, and the four plugging blocks pull four corners of fireproof cloth to move downwards; the fire-proof cloth covers the top of the electrical element downwards, the four spraying rods are also covered, carbon dioxide sprayed by the spraying rods can better extinguish the fire of the electrical element, the fire-proof cloth can effectively prevent electric sparks, flame splashing and scattering of original part fragments, the effect of blocking the electric sparks, the flame and the original part fragments is achieved, and the service life of the electrical element is prolonged. Electrical elements are covered, the outer sides of the electrical elements are filled with carbon dioxide gas, the fire can be extinguished more quickly by losing oxygen combustion supporting, the flame combustion range is reduced, the possibility of fire disasters is avoided, and the situation that shells are damaged due to the fact that shells are damaged by electric sparks, flame splashing and scattering of original piece fragments is also avoided.

Description

Technical Field

[0001] The invention relates to the technical field of relay protection devices, in particular to a relay protection device for electromechanical equipment. Background Art

[0002] A relay protection device is an automated device whose main function is to monitor and analyze the operating status of electrical components in the power system. When a fault or abnormal operating state is detected, the device will take immediate action, such as triggering the circuit breaker to trip or sending an alarm signal. By comparing the difference in characteristic quantities between the normal operating state and the fault state of the power system, it can determine whether the system has a fault. Common power system fault characteristic quantities include increased current, reduced voltage, reduced impedance, and changes in the phase angle between voltage and current. The main protection objects are various electrical components in the power system. These components are responsible for the transmission and distribution of electricity under normal circumstances, but in abnormal circumstances, such as short circuit, overload or ground fault, it may cause equipment damage or even system collapse.

[0003] There are many various electrical components inside the power cabinet that distributes power to electromechanical equipment. The circuits of the electrical components are complicated and the temperature of the circuits is high during operation. Some electrical components are sensitive to temperature, humidity, etc. and are prone to burnout. It is necessary to use relay protection devices to cut off the power to the electrical components. However, after the power is cut off, the connections of the electrical components are very likely to fuse and cause arcs, which can easily cause leakage, electric sparks, etc., which will emit strong light and heat in the power cabinet, causing the electrical components to burn, thereby causing a fire.

[0004] Ordinary relay protection devices will light up indicator lights to alert users when electrical components in the circuit are abnormal. However, for complex circuits and numerous electrical components, there are a variety of indicator lights, making it difficult for users to detect abnormalities in electrical components, causing users to miss the best time for maintenance. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a relay protection device for electromechanical equipment, which solves the problems raised in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a relay protection device for working electromechanical equipment, used to protect important electrical components of the circuit, including a shell and a line protector, the shell is provided with a jet cooling component for spraying carbon dioxide to cool down the electrical components to extinguish fire, the shell is provided with a sealing component for sealing the electrical components, the shell is provided with a warning component for prompting abnormal electrical components by ringing bells and flashing lights, and the shell is provided with a covering component for covering the electrical components with a fire blanket.

[0009] Furthermore, the jet cooling component includes a supporting plate fixedly connected to the inside of the shell, a motor is fixedly connected to the inside of the supporting plate, an output shaft of the motor is fixedly connected to a driving bevel gear, a threaded rod is rotatably connected to the inside of the shell, one end of the threaded rod close to the driving bevel gear is fixedly connected to a driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, a moving block is threadedly connected to the outside of the threaded rod, a spray rod is fixedly connected to the top of the moving block, a horizontal spray rod is fixedly connected to the outside of the spray rod, the spray rod is connected to the horizontal spray rod, a gas cylinder is fixedly connected to the inside of the shell, an air outlet pipe of the gas cylinder is fixedly connected to an air distribution pipe, an air supply hose is fixedly connected to the outside of the air distribution pipe, and the air supply hose passes through the moving block and is connected to the spray rod.

[0010] Furthermore, an electric telescopic rod is fixedly connected to the inside of the shell, a mobile frame is fixedly connected to the outside of the electric telescopic rod, a thorn cone is fixedly connected to the side of the mobile frame away from the electric telescopic rod, the thorn cone is slidably connected to the inside of the gas distribution pipe, and a rubber sealing pad is arranged inside the gas outlet pipe of the gas cylinder.

[0011] Furthermore, the sealing assembly includes an air storage bag fixedly connected to the inside of the shell, an air connecting pipe fixedly connected to the outside of the air storage bag, a cable window fixedly connected to the outside of the shell, an elastic air bag fixedly connected to the inside of the cable window, the air connecting pipe is communicated with the elastic air bag, and a soft sealing block is fixedly connected to the top of the elastic air bag.

[0012] Furthermore, the warning component includes an exhaust hopper fixedly connected to the inside of the shell, the top of the exhaust hopper is fixedly connected to an intake pipe, the inside of the shell is fixedly connected to an air pump, the air pump is fixedly connected to the intake pipe, the air pump is fixedly connected to an exhaust gas purification device via a connecting pipe, and the exhaust gas purification device is fixedly connected to the shell.

[0013] Furthermore, a rotating shaft is rotatably connected inside the intake pipe, a fan blade is fixedly connected to the outside of the rotating shaft, a fixed frame is fixedly connected inside the intake pipe, the rotating shaft and the fixed frame are rotatably connected, an end of the rotating shaft away from the rotating shaft is fixedly connected to a warning block, a driving gear is fixedly connected to the outside of the rotating shaft, a light stick is rotatably connected inside the warning block, a pop-up spring is fixedly connected to the top of the light stick, and the pop-up spring is fixedly connected to the warning block.

[0014] Furthermore, a toothed disc is rotatably connected inside the shell, a knocking rod is fixedly connected to the outer side of the toothed disc, a vibration spring is fixedly connected inside the shell, and an alarm is fixedly connected to the outer side of the vibration spring.

[0015] Furthermore, the covering assembly includes a long air pipe fixedly connected to the top of the air distribution pipe, the long air pipe is fixedly connected to the outer shell, a pipe rack is fixedly connected to the top of the long air pipe, the pipe rack is fixedly connected to the outer shell, a blocking block is slidably connected inside the pipe rack, a fireproof cloth is fixedly connected to the outside of the blocking block, a pull rope is fixedly connected to the outside of the blocking block, a weight block is slidably connected inside the outer shell, and the weight block is fixedly connected to the pull rope.

[0016] (III) Beneficial effects

[0017] The present invention provides a relay protection device for electromechanical equipment, which has the following beneficial effects:

[0018] 1. The present invention uses the jet cooling component. The motor drives the active bevel gear to rotate, the moving block drives the spray rod to move, and the stabilizing ring on the outside of the spray rod clamps and fixes the electrical components, thereby achieving the effect of clamping and fixing electrical components of different sizes and reducing the unstable vibration of the electrical components. When the electrical components have abnormal voltage and current, and when the temperature of the electrical components is too high, the line protector controls the electric telescopic rod to extend and push the moving frame to move. The spike pierces the rubber sealing pad inside the gas outlet pipe of the gas cylinder, and the liquid carbon dioxide inside the gas cylinder instantly enters the gas distribution pipe through the gas outlet pipe of the gas cylinder and is sprayed to the electrical components through the spray hole. The carbon dioxide is instantly converted into gas. The heat from the outside of the electrical components is absorbed, and the carbon dioxide inside the spray rod is sprayed obliquely upward toward the electrical components through the horizontal spray rod. At the same time, the movable frame compresses the air storage bag and pushes the soft sealing block to seal the cable window upward, so that a closed space is formed inside the shell, achieving the effect of cooling the outside of the electrical components. The motor drives the clamping stabilization circle electrical components on the outside of the spray rod, and at the same time, the spray rod is close to the outside of electrical components of different sizes. The carbon dioxide gas flow sprayed by the spray rod surrounds the surface of the electrical components, fully cooling the outside of the electrical components to avoid fire caused by the electrical components catching fire. At the same time, the cable window is sealed to prevent the leakage of toxic gases and carbon dioxide gas flow generated by the electrical components.

[0019] 2. The present invention uses a warning component, and an air pump extracts gas from the inside of the shell to reduce the oxygen content inside the shell, reduce the possibility of combustion of electrical components, and discharges the gas after filtering through an exhaust gas purification device, thereby preventing toxic gases from directly diffusing into the air and affecting the safety of users, and preventing the combustion of electrical components from increasing the pressure inside the shell and causing an explosion. At the same time, the fan blade area is large and can effectively block the flame from passing through. The carbon dioxide gas flow will push the fan blades to move, and the light stick will unfold to expose the light bar at the bottom of the light stick. The carbon dioxide gas flow drives the fan blades to rotate, causing the light stick to rotate, which can more clearly remind users of electrical component failures. The rotating shaft drives the active gear to rotate, causing the knocking stick to rotate and knock the alarm bell, causing the alarm bell to emit a continuous ringing sound, thereby achieving the effect of prompting abnormal electrical components through ringing and flashing lights. A rotating light stick is provided to enable the light to rotate to improve the warning effect and to distinguish the continuous alarm bell from the equipment operation sound, making the prompt of electrical component abnormalities more obvious. Users can discover and repair the electrical components in time, thereby preventing users from missing the best maintenance time.

[0020] 3. The present invention uses a covering component. Carbon dioxide gas pushes the block to move. The weight drives the pull rope to move the block downward. The four blocks pull the four corners of the fireproof cloth downward, so that the fireproof cloth covers the top of the electrical components downward, so that the four spray rods are also covered. The carbon dioxide sprayed from the spray rods can better extinguish fires in the electrical components. The fireproof cloth can effectively block electric sparks, flame splashes and scattering of component fragments, thereby achieving the effect of blocking electric sparks, flames and component fragments. The electrical components are covered and filled with carbon dioxide gas on the outside. The loss of oxygen to assist combustion can extinguish the fire faster, reduce the scope of flame combustion, avoid the possibility of fire, and avoid electric sparks, flame splashes and scattering of component fragments to damage the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic cross-sectional view of part of the structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of the jet cooling component of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of the thorn cone of the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of the sealing assembly of the present invention;

[0026] Figure 6 This is a schematic diagram of the structure of the warning component of the present invention;

[0027] Figure 7This is a schematic diagram of the structure of the light stick of the present invention;

[0028] Figure 8 This is a schematic diagram of the structure of the covering assembly of the present invention;

[0029] Fig. 9 It is a schematic diagram of the block structure of the present invention.

[0030] The numbers in the figure represent:

[0031] 1. Shell; 2. Line protector;

[0032] The jet cooling assembly includes: 31, a bearing plate; 32, a motor; 33, a driving bevel gear; 34, a driven bevel gear; 35, a threaded rod; 36, a moving block; 37, a spray rod; 38, a horizontal spray rod; 39, a gas cylinder; 310, a gas distribution pipe; 311, a gas delivery hose; 312, an electric telescopic rod; 313, a moving frame; 314, a thorn cone;

[0033] The sealing assembly includes: 41, air storage bag; 42, air connection pipe; 43, cable window; 44, elastic air bag; 45, soft sealing block;

[0034] The warning components include: 51, air extraction hopper; 52, air intake pipe; 53, air pump; 54, exhaust gas purification device; 55, rotating shaft; 56, fan blade; 57, fixing frame; 58, driving gear; 59, warning block; 510, light stick; 511, pop-up spring; 512, toothed disc; 513, knock stick; 514, vibration spring; 515, alarm bell;

[0035] The covering components include: 61, long gas pipe; 62, pipe rack; 63, blocking block; 64, fireproof cloth; 65, weight block; 66, pull rope. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] refer to Figures 1 to 9 A relay protection device for electromechanical equipment according to a preferred embodiment of the present invention will be described in detail below.

[0038] A relay protection device for electromechanical equipment is used to protect important electrical components of a circuit, including a housing 1 and a line protector 2. The line protector 2 is connected to an electric telescopic rod 312 through a line. A temperature sensor is connected to the top of the line protector 2 through a line. When the temperature of the electrical component is too high, the line protector 2 controls the electric telescopic rod 312 to extend. A sealing door is provided on the outside of the housing 1. The electrical component is connected in series with the circuit breaker. The line protector 2 is connected to the circuit breaker. When the line protector 2 detects that the current in the circuit of the electrical component increases, the voltage decreases, the impedance decreases, or the phase angle of the voltage or current changes, the line protector 2 controls the circuit breaker to cut off the power supply to the electrical component. A jet cooling component for spraying carbon dioxide to cool down the electrical component and extinguish a fire is provided inside the housing 1. A sealing component for sealing the electrical component is provided inside the housing 1. A warning component for prompting abnormal electrical components by ringing a bell and flashing a light is provided inside the housing 1. A covering component for covering the electrical component with a fire blanket is provided inside the housing 1.

[0039] The jet cooling component includes a bearing plate 31 fixedly connected to the inside of the shell 1, a mounting seat is provided on the top of the bearing plate 31, a sliding groove is provided on the top of the bearing plate 31 for sliding of the injection rod 37, a motor 32 is fixedly connected to the inside of the bearing plate 31, the motor 32 is connected to an external power supply to control the rotation of its output shaft, the output shaft of the motor 32 is fixedly connected to a driving bevel gear 33, a threaded rod 35 is rotatably connected to the inside of the shell 1, and one end of the threaded rod 35 close to the driving bevel gear 33 is fixedly connected to a driven bevel gear 34, four driven bevel gears 34 are provided, and the driven bevel gears 34 are meshed with the driving bevel gear 33, a moving block 36 is threadedly connected to the outside of the threaded rod 35, a spray rod 37 is fixedly connected to the top of the moving block 36, and a stabilizing plate 36 is fixedly connected to the outside of the spray rod 37 The fixed circle has four spray rods 37, and the spray rod 37 is provided with a spray hole obliquely toward the center of the shell 1. A transverse spray rod 38 is fixedly connected to the outside of the spray rod 37, and the transverse spray rod 38 is provided with a spray hole obliquely toward the center of the shell 1. The transverse spray rod 38 is divided into three sections, and the middle section is slidably connected to the inside of the two sections on both sides. The spray rod 37 is connected to the transverse spray rod 38. A gas cylinder 39 is fixedly connected to the inside of the shell 1. Liquid carbon dioxide is stored in the gas cylinder 39. Two gas cylinders 39 are provided. A gas distribution pipe 310 is fixedly connected to the outside of the gas outlet pipe of the gas cylinder 39. A switch is provided on the gas outlet pipe of the gas cylinder 39 for closing the gas cylinder 39. A gas supply hose 311 is fixedly connected to the outside of the gas distribution pipe 310. The gas supply hose 311 passes through the moving block 36 and is connected to the spray rod 37.

[0040] An electric telescopic rod 312 is fixedly connected to the inside of the shell 1, and the electric telescopic rod 312 is connected to the line protector 2 through a line to control its extension and contraction. A mobile frame 313 is fixedly connected to the outside of the electric telescopic rod 312, and a thorn cone 314 is fixedly connected to the side of the mobile frame 313 away from the electric telescopic rod 312. The thorn cone 314 is slidably connected to the inside of the gas distribution pipe 310, and a rubber sealing pad is arranged inside the gas outlet pipe of the gas cylinder 39.

[0041] The sealing assembly includes an air storage bag 41 fixedly connected to the inside of the shell 1, a return spring is arranged on the outside of the air storage bag 41, an air connecting pipe 42 is fixedly connected to the outside of the air storage bag 41, a cable window 43 is fixedly connected to the outside of the shell 1, an elastic air bag 44 is fixedly connected inside the cable window 43, the air connecting pipe 42 is connected to the elastic air bag 44, and a soft sealing block 45 is fixedly connected to the top of the elastic air bag 44.

[0042] The warning component includes an exhaust hopper 51 fixedly connected to the inside of the shell 1, an air intake pipe 52 is fixedly connected to the top of the exhaust hopper 51, an air pump 53 is fixedly connected to the inside of the shell 1, the air pump 53 is controlled by the line protector 2 through the line, when the electric telescopic rod 312 is triggered by the line protector 2, the air pump 53 is also turned on, the air pump 53 is fixedly connected to the air intake pipe 52, the air pump 53 is fixedly connected to the exhaust gas purification device 54 through a connecting pipe, an exhaust pipe is arranged on the top of the exhaust gas purification device 54, a filter layer such as activated carbon is arranged inside the exhaust gas purification device 54 for filtering harmful substances, and the exhaust gas purification device 54 is fixedly connected to the shell 1.

[0043] A rotating shaft 55 is rotatably connected inside the air intake pipe 52, and a fan blade 56 is fixedly connected to the outside of the rotating shaft 55. The fan blade 56 has a large area and can effectively block the flame from passing through. A fixing frame 57 is fixedly connected inside the air intake pipe 52, and the rotating shaft 55 is rotatably connected to the fixing frame 57. A warning block 59 is fixedly connected to the end of the rotating shaft 55 away from the rotating shaft 55, and a driving gear 58 is fixedly connected to the outside of the rotating shaft 55. A light stick 510 is rotatably connected inside the warning block 59. The light stick 510 is set in an L shape, and a light strip is set at the bottom of the light stick 510. A pop-up spring 511 is fixedly connected to the top of the light stick 510. The pop-up spring 511 is Figure 7 In the middle, it is in a compressed state, and the pop-up spring 511 is fixedly connected to the warning block 59.

[0044] A toothed disc 512 is rotatably connected inside the housing 1 , a knocking rod 513 is fixedly connected to the outer side of the toothed disc 512 , and three knocking rods 513 are provided. A vibration spring 514 is fixedly connected inside the housing 1 , and an alarm bell 515 is fixedly connected to the outer side of the vibration spring 514 .

[0045] The covering assembly includes a long air pipe 61 fixedly connected to the top of the air distribution pipe 310, the long air pipe 61 is fixedly connected to the outer shell 1, a pipe rack 62 is fixedly connected to the top of the long air pipe 61, the pipe rack 62 is an H-shaped connecting pipe, the pipe rack 62 is fixedly connected to the outer shell 1, a blocking block 63 is slidably connected inside the pipe rack 62, four blocking blocks 63 are provided, a fireproof cloth 64 is fixedly connected to the outside of the blocking block 63, a pull rope 66 is fixedly connected to the outside of the blocking block 63, a weight block 65 is slidably connected to the inside of the outer shell 1, the weight block 65 is fixedly connected to the pull rope 66, a slide groove is provided inside the outer shell 1, and the weight block 65 is slidably connected to the inside of the slide groove.

[0046] The following is the entire working process and working principle of the above embodiment: the user fixes the shell 1 inside the power cabinet, the user opens the sealed door outside the shell 1, the user installs the electrical component on the mounting seat set on the top of the carrier plate 31, and passes the connecting wires of the electrical component through the cable window 43, and connects the connecting wires of the electrical component to the inside of the power cabinet, so that the electrical component can be powered, and the motor 32 is turned on, and the output shaft of the motor 32 drives the active bevel gear 33 fixedly connected to it to rotate, and because the active bevel gear 33 is meshed with the driven bevel gear 34, the active bevel gear 33 drives the driven bevel gear 34 to rotate, and the driven bevel gear 34 drives the fixedly connected The threaded rod 35 rotates, and the moving block 36 contacts the bottom of the carrying plate 31 to prevent the threaded rod 35 from driving the moving block 36 to rotate. The threaded rod 35 drives the threaded moving block 36 to move in the direction of the driven bevel gear 34. The moving block 36 drives the spray rod 37 fixedly connected thereto to move toward the electrical component. When the spray rod 37 moves to the outside of the electrical component, the stabilizing ring on the outside of the spray rod 37 contacts the electrical component first. The four stabilizing rings clamp and fix the electrical component, achieving the effect of clamping and fixing electrical components of different sizes, reducing the unstable vibration of the electrical components. At the same time, the spray rod 37 drives the horizontal spray rod 38 to shrink, turn off the motor 32, and the user closes the sealing door.

[0047] When the electrical components have abnormal voltage and current, the line protector 2 detects that the current in the circuit of the electrical components increases, the voltage decreases, the impedance decreases, or the phase angle of the voltage or current changes, and the line protector 2 controls the circuit breaker to cut off the power supply to the electrical components. Since the top of the line protector 2 is connected to a temperature sensor through a line, when the temperature of the electrical components is too high, the line protector 2 controls the electric telescopic rod 312 to extend, and the electric telescopic rod 312 pushes the movable frame 313 to move toward the gas cylinder 39, and the movable frame 313 drives the spike cone 314 to move toward the gas cylinder 39. The spike cone 314 pierces the rubber sealing gasket inside the gas outlet pipe of the gas cylinder 39, so that the liquid carbon dioxide inside the gas cylinder 39 instantly enters the gas distribution pipe 310 through the gas outlet pipe of the gas cylinder 39, and enters the injection rod 37 through the gas hose 311, and is sprayed toward the electrical components from the spray hole on the outside of the injection rod 37. The carbon dioxide is instantly converted into gas and absorbs the heat on the outside of the electrical components. Since the horizontal spray rod 38 is connected to the injection rod 37, the carbon dioxide inside the injection rod 37 is sprayed obliquely upward toward the electrical components through the horizontal spray rod 38. At the same time, the movable frame 313 moves to compress the air storage bag 41. The air inside the air storage bag 41 enters the elastic air bag 44 through the connecting pipe 42. The elastic air bag 44 expands and pushes the soft sealing block 45 to move upward. The soft sealing block 45 squeezes the connecting wires of the electrical components. The soft sealing block 45 seals the cable window 43, so that a closed space is formed inside the housing 1, achieving the effect of cooling the outside of the electrical components by closely fitting. The motor 32 drives the clamping and stabilizing circle electrical components on the outside of the injection rod 37, while making the injection rod 37 close to the outside of electrical components of different sizes. The carbon dioxide gas flow sprayed by the injection rod 37 surrounds the surface of the electrical components, fully cools the outside of the electrical components, and avoids the fire caused by the electrical components catching fire. At the same time, the cable window 43 is sealed to prevent the leakage of toxic gases and carbon dioxide gas flow generated by the electrical components.

[0048] Furthermore, the air pump 53 is controlled by the line protector 2 through the line. When the electric telescopic rod 312 is triggered, the air pump 53 is also turned on. The air pump 53 uses the suction pipe 52 to make the suction bucket 51 extract the gas inside the shell 1, reduce the oxygen content inside the shell 1, and reduce the possibility of combustion of electrical components. At the same time, the toxic gas generated by the abnormal combustion of the electrical components is extracted with the carbon dioxide gas flow, and the gas is discharged into the exhaust gas purification device 54 through the connecting pipe. After being filtered by the exhaust gas purification device 54, it is discharged from the exhaust pipe on the top of the exhaust gas purification device 54, thereby avoiding the toxic gas from directly diffusing into the air and affecting the safety of users. , and at the same time, it prevents the burning of electrical components from increasing the internal pressure of the housing 1 and causing an explosion. At the same time, the fan blade 56 has a large area and can effectively block the flame from passing through. The instantaneous ejection of carbon dioxide increases the internal pressure of the housing 1, and the carbon dioxide gas flow will impact and push the fan blade 56 to move in the direction of the toothed disc 512. The fan blade 56 drives the rotating shaft 55 fixedly connected thereto to make the driving gear 58 move in the direction of the toothed disc 512. The driving gear 58 meshes with the toothed disc 512, and the fan blade 56 is blocked by the fixing frame 57 and stops moving. The rotating shaft 55 drives the warning block 59 fixedly connected thereto to move out of the housing 1. Since the pop-up spring 511 is in Figure 7 The middle part is in a compressed state, and the pop-up spring 511 stretches to push the lamp stick 510 to rotate, so that the lamp stick 510 is unfolded and the light bar at the bottom of the lamp stick 510 is exposed. The carbon dioxide gas flow passes through the fan blade 56 and also drives the fan blade 56 to rotate. The fan blade 56 drives the rotating shaft 55 to rotate, and the rotating shaft 55 drives the warning block 59 to rotate the lamp stick 510, so that the light bar outside the lamp stick 510 rotates, which can more clearly remind the user of the electrical component failure. At the same time, the rotating shaft 55 drives the active gear 58 to rotate, and the active gear 58 drives the toothed disc 512 to rotate, and the toothed disc 512 drives the knocking rod 513 fixedly connected thereto to rotate, and the knocking rod 513 knocks the alarm bell 515, so that the alarm bell 515 emits a continuous ringing sound, thereby achieving the effect of prompting the abnormality of the electrical component by ringing and flashing lights, providing a rotating lamp stick 510 so that the light rotates to improve the warning effect and distinguish the continuous ringing sound of the alarm bell 515 from the operating sound of the power cabinet, so that the prompt of the abnormality of the electrical component is more obvious, and the user finds and repairs the electrical component in time, avoiding the user missing the best maintenance time.

[0049] Furthermore, when the carbon dioxide gas in the gas cylinder 39 enters the gas distribution pipe 310, the carbon dioxide gas will also enter the long gas pipe 61, and enter the pipe rack 62 through the long gas pipe 61. The impact of the carbon dioxide gas pushes the block 63 to move away from the pipe rack 62, and the block 63 pulls a corner of the fireproof cloth 64 to move. The block 63 moves out of the pipe rack 62. Due to the influence of gravity, the weight block 65 is no longer pulled by the pull rope 66 and the block 63. The weight block 65 moves downward, driving the pull rope 66 to move the block 63 downward, and the block 63 pulls a corner of the fireproof cloth 64 downward. The four block blocks 63 pull the four corners of the fireproof cloth 64 downward, so that the fireproof cloth 64 covers the top of the electrical component downward, so that the four spray rods 37 are covered, and the batteries or When capacitors and the like burn fiercely, the fireproof cloth 64 can effectively block sparks, flame splashes and scattering of component fragments. At the same time, the bottom of the electrical components is not completely covered, so that the combustion gas and carbon dioxide gas can be discharged from the bottom of the electrical components and extracted by the vacuum hopper 51. Since the injection rod 37 is connected to the electrical components and covered together, the carbon dioxide gas ejected by the injection rod 37 can better extinguish the fire of the electrical components, thereby achieving the effect of blocking sparks, flames and component fragments. The electrical components are covered and filled with carbon dioxide gas on the outside, and the fire can be extinguished faster without oxygen to assist combustion, thereby reducing the range of flame combustion, avoiding the possibility of fire, and avoiding sparks, flame splashes and scattering of component fragments to damage the shell 1.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A relay protection device for electromechanical equipment, used to protect important electrical components of a circuit, comprising a housing (1) and a circuit protector (2), characterized in that: The shell (1) is provided with a jet cooling component for jetting carbon dioxide to cool down the electrical components and extinguish fires, the shell (1) is provided with a sealing component for sealing the electrical components, the shell (1) is provided with a warning component for indicating abnormalities of the electrical components by ringing a bell and flashing a light, and the shell (1) is provided with a covering component for covering the electrical components with a fire blanket.

2. A relay protection device for electromechanical equipment according to claim 1, characterized in that: The jet cooling assembly comprises a bearing plate (31) fixedly connected to the inside of the housing (1); a motor (32) is fixedly connected to the inside of the bearing plate (31); an output shaft of the motor (32) is fixedly connected to a driving bevel gear (33); a threaded rod (35) is rotatably connected to the inside of the housing (1); an end of the threaded rod (35) close to the driving bevel gear (33) is fixedly connected to a driven bevel gear (34); the driven bevel gear (34) meshes with the driving bevel gear (33); and a displacement gear (34) is threadedly connected to the outside of the threaded rod (35). A movable block (36), the top of the movable block (36) is fixedly connected to a spray rod (37), the outer side of the spray rod (37) is fixedly connected to a transverse spray rod (38), the spray rod (37) is communicated with the transverse spray rod (38), the inner part of the housing (1) is fixedly connected to a gas cylinder (39), the outer side of the gas outlet pipe of the gas cylinder (39) is fixedly connected to a gas distribution pipe (310), the outer side of the gas distribution pipe (310) is fixedly connected to a gas supply hose (311), and the gas supply hose (311) passes through the movable block (36) and is communicated with the spray rod (37).

3. A relay protection device for electromechanical equipment according to claim 2, characterized in that: An electric telescopic rod (312) is fixedly connected inside the housing (1), a mobile frame (313) is fixedly connected outside the electric telescopic rod (312), a thorn cone (314) is fixedly connected to a side of the mobile frame (313) away from the electric telescopic rod (312), the thorn cone (314) is slidably connected to the inside of the gas distribution pipe (310), and a rubber sealing pad is arranged inside the gas outlet pipe of the gas cylinder (39).

4. A relay protection device for electromechanical equipment according to claim 1, characterized in that: The sealing assembly comprises an air storage bag (41) fixedly connected to the inside of the housing (1); an air connection pipe (42) fixedly connected to the outside of the air storage bag (41); a cable window (43) fixedly connected to the outside of the housing (1); an elastic air bag (44) fixedly connected to the inside of the cable window (43); the air connection pipe (42) is in communication with the elastic air bag (44); and a soft sealing block (45) is fixedly connected to the top of the elastic air bag (44).

5. The relay protection device for electromechanical equipment according to claim 1, characterized in that: The warning component comprises an air suction hopper (51) fixedly connected to the inside of the housing (1); an air intake pipe (52) is fixedly connected to the top of the air suction hopper (51); an air pump (53) is fixedly connected to the inside of the housing (1); the air pump (53) is fixedly connected to the air intake pipe (52); the air pump (53) is fixedly connected to an exhaust gas purification device (54) via a connecting pipe; and the exhaust gas purification device (54) is fixedly connected to the housing (1).

6. A relay protection device for electromechanical equipment according to claim 5, characterized in that: A rotating shaft (55) is rotatably connected inside the air intake pipe (52), a fan blade (56) is fixedly connected to the outside of the rotating shaft (55), a fixed frame (57) is fixedly connected inside the air intake pipe (52), the rotating shaft (55) is rotatably connected to the fixed frame (57), an end of the rotating shaft (55) away from the rotating shaft (55) is fixedly connected to a warning block (59), a driving gear (58) is fixedly connected to the outside of the rotating shaft (55), a lamp stick (510) is rotatably connected inside the warning block (59), a pop-up spring (511) is fixedly connected to the top of the lamp stick (510), and the pop-up spring (511) is fixedly connected to the warning block (59).

7. A relay protection device for electromechanical equipment according to claim 1, characterized in that: A toothed disc (512) is rotatably connected inside the housing (1), a knocking rod (513) is fixedly connected to the outside of the toothed disc (512), a vibration spring (514) is fixedly connected inside the housing (1), and an alarm bell (515) is fixedly connected to the outside of the vibration spring (514).

8. The relay protection device for electromechanical equipment according to claim 1, characterized in that: The covering assembly comprises a long air pipe (61) fixedly connected to the top of the air distribution pipe (310), the long air pipe (61) being fixedly connected to the outer shell (1), a pipe rack (62) being fixedly connected to the top of the long air pipe (61), the pipe rack (62) being fixedly connected to the outer shell (1), a blocking block (63) being slidably connected inside the pipe rack (62), a fireproof cloth (64) being fixedly connected to the outer side of the blocking block (63), a pull rope (66) being fixedly connected to the outer side of the blocking block (63), a weight block (65) being slidably connected inside the outer shell (1), and the weight block (65) being fixedly connected to the pull rope (66).

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