A power adapter based on explosion-proof technology and explosion-proof method thereof

Abstract

The present invention relates to a power adapter based on explosion-proof technology and an explosion-proof method thereof, comprising an adapter body and an explosion-proof shell wrapping the adapter body, wherein a gap exists between the explosion-proof shell and the adapter body, and a sand bag layer is arranged on the top of the gap; a slot is provided on the top of the adapter body, and a bearing seat is slidably arranged in the slot, a transverse rotating shaft is rotatably connected to the bearing seat, and a longitudinal arc-shaped cutting blade is fixedly arranged on the rotating shaft; a deflection unit for driving the rotating shaft to rotate longitudinally, and a transverse movement unit for driving the deflection unit and the rotating shaft to slide transversely are provided on the adapter body; sufficient sand can be configured to ensure an explosion-proof effect, and intelligent position measurement technology and automatic fixed-point burial technology are adopted when burying the sand, which can well achieve targeted large-scale sand burial for components in the early stage of smoke generation, greatly improving the burial accuracy and the effective sand covering thickness.

Description

Technical Field

[0001] The present invention relates to the technical field of green power adapters, and more particularly to a power adapter based on explosion-proof technology and an explosion-proof method thereof. Background Art

[0002] Explosion-proof power adapters are a special type of power adapter developed to meet the electrical and safety requirements of the industrial sector. They are primarily designed to prevent dangerous accidents such as explosions and fires during use. This type of power adapter is widely used in the petroleum, chemical, pharmaceutical, and food industries. In these fields, due to the special working environments, the use of ordinary power adapters may cause dangerous situations such as fires or explosions. Explosion-proof power adapters can effectively avoid these risks.

[0003] The existing patent, application number CN202410291276.3, provides an explosion-proof power adapter. By configuring a temperature-variable capsule in the adapter and setting fine sand in the temperature-variable capsule, the fine sand inside is squeezed out to extinguish the fire when the temperature-variable capsule is heated and ruptured. However, due to the volume of the temperature-variable capsule, the amount of fine sand stored will be small, and it is actually difficult to achieve the purpose of effective coverage for fire extinguishing. In order to solve the above defects, a power adapter based on explosion-proof technology and an explosion-proof method thereof are needed. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a power adapter based on explosion-proof technology and an explosion-proof method for a power adapter based on explosion-proof technology in response to the above-mentioned defects of the prior art.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A power adapter based on explosion-proof technology is constructed, comprising an adapter body and an explosion-proof housing enclosing the adapter body. A gap exists between the explosion-proof housing and the adapter body, and a sandbag layer is disposed at the top of the gap. A slot is formed at the top of the adapter body, and a bearing seat is slidably disposed within the slot. A transverse rotating shaft is rotatably connected to the bearing seat, and a longitudinal arc-shaped cutting blade is fixedly disposed on the rotating shaft. The adapter body is provided with a deflection unit for driving the rotating shaft to rotate longitudinally, and a transverse movement unit for driving the deflection unit and the rotating shaft to slide transversely. When the cutting blade is flipped so that the cutting edge faces upward, it abuts against the sandbag layer and can cut the sandbag layer. A frame-shaped support frame is disposed within the gap, the support frame being used to support the weight of the sandbag layer and to mount the deflection unit and transverse movement unit. A smoke sensor for detecting smoke is disposed on the rotating shaft. A single-chip microcomputer, a power supply battery, and an alarm are disposed on the periphery of the support frame. The single-chip microcomputer receives data from the smoke sensor and controls the operation of the deflection unit, the transverse movement unit, and the alarm.

[0007] The power adapter based on explosion-proof technology described in the present invention, wherein the support frame includes a frame, a support mesh layer supporting the sand bag layer is provided on the top of the frame, and a through groove for the cutting blade to pass through is provided in the middle of the support mesh layer.

[0008] The power adapter based on explosion-proof technology described in the present invention, wherein the transverse movement unit includes a reciprocating screw and a screw motor, both ends of the reciprocating screw are rotatably installed on the frame through a bearing seat, and the screw nut of the reciprocating screw is rotatably connected to the rotating shaft.

[0009] The power adapter based on explosion-proof technology described in the present invention, wherein the deflection unit includes a reduction motor mounted on the screw nut, a first gear is provided at the output end of the reduction motor, and a second gear meshing with the first gear is coaxially fixed on the rotating shaft.

[0010] The power adapter based on explosion-proof technology described in the present invention is characterized in that two first sliding grooves are provided on the supporting mesh layer, and a first power supply copper bar is provided at the bottom of the two first sliding grooves; a first power supply rod is slidably connected to the first sliding groove from the first power supply copper bar, and a first power supply brush in contact with the first power supply copper bar is provided at the end of the first power supply rod, and the two first power supply rods are fixedly connected to the screw nut; the positive and negative poles of the reduction motor are electrically connected to the two first power supply rods respectively.

[0011] The power adapter based on explosion-proof technology described in the present invention is characterized in that a second sliding groove is provided on the supporting mesh layer, and a second power supply copper bar is provided at the bottom of the second sliding groove; a second power supply rod from the second power supply copper bar is slidably connected to the second sliding groove, and a second power supply brush in contact with the second power supply copper bar is provided at the end of the second power supply rod; a first conductive ring and a second conductive ring are provided on the rotating shaft, and the positive and negative poles of the smoke sensor are respectively connected to the first conductive ring and the second conductive ring; the end of the second power supply copper bar and the end of the first power supply copper bar with opposite polarity are both inserted into the screw nut and provided with a third power supply brush, and the first conductive ring and the second conductive ring respectively cooperate with the third power supply brushes of corresponding polarity.

[0012] In the power adapter based on explosion-proof technology described in the present invention, an explosion-proof pressure relief valve is provided on the explosion-proof housing, and the explosion-proof pressure relief valve is used to exhaust and relieve pressure when the pressure in the explosion-proof housing exceeds a set value.

[0013] An explosion-proof method for a power adapter based on explosion-proof technology, using the above-mentioned power adapter based on explosion-proof technology, wherein the method comprises the steps of:

[0014] Under normal operating conditions, the smoke sensor monitors whether there is smoke in the gap between the explosion-proof housing and the adapter body. If not, it will not operate. Otherwise, it will automatically perform explosion-proof operations:

[0015] In the early stage of smoke generation, the single chip microcomputer controls the operation of the transverse movement unit, drives the cutting blade and the deflection unit to move and monitor the smoke concentration value in real time to find the area with the highest smoke concentration value;

[0016] Then the transverse movement unit drives the cutting blade to move and stay in the area. The single chip microcomputer controls the deflection unit to drive the cutting blade to rotate. At the same time, the single chip microcomputer controls the transverse movement unit to drive the cutting blade to move back and forth to cut the sand bag layer, so that the sand bag layer is cut, and the internal sand falls and enters the adapter body, covering the components that generate smoke.

[0017] The beneficial effects of the present invention are as follows: under normal operating conditions, the smoke sensor monitors whether there is smoke in the gap between the explosion-proof housing and the adapter body. If not, it does not operate, otherwise it performs explosion-proof operations: in the early stage of smoke generation, the single-chip microcomputer controls the transverse movement unit to operate, drives the cutting blade and the deflection unit to move and monitors the smoke concentration value in real time to find the area with the highest smoke concentration value; then the transverse movement unit drives the cutting blade to move and stay in the area, the single-chip microcomputer controls the deflection unit to operate and drives the cutting blade to rotate, and at the same time, the single-chip microcomputer controls the transverse movement unit to operate, drives the cutting blade to move back and forth to cut the sand bag layer, so that the sand bag layer is cut, and the sand inside falls and enters the adapter body, covering the components that generate smoke;

[0018] By applying the method of this application, the limitation on sand content is broken through, and sufficient sand can be configured to ensure the explosion-proof effect. At the same time, intelligent position measurement technology and automatic fixed-point burial technology are used when burying sand, which can effectively bury large amounts of sand for components in the early stage of smoke generation, greatly improving the burial accuracy and effective sand coverage thickness, and solving the current problem encountered in the industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive efforts.

[0020] Figure 1 is a cross-sectional view along the length direction of a power adapter based on explosion-proof technology according to a preferred embodiment of the present invention;

[0021] Figure 2 This is a cross-sectional view of the structure of the power adapter deflection unit based on explosion-proof technology in a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the following will be a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work shall fall within the scope of protection of the present invention.

[0023] The power adapter based on explosion-proof technology in the preferred embodiment of the present invention is as follows: Figure 1 See also Figure 2, including an adapter body 1, and also including an explosion-proof shell 2 that wraps the adapter body, there is a gap between the explosion-proof shell 2 and the adapter body 1, and a sand bag layer 3 is set on the top of the gap; the top of the adapter body 1 is provided with a slot 10, a bearing seat is slidably set in the slot 10, a horizontal rotating shaft 12 is rotatably connected to the bearing seat, and a longitudinal arc-shaped cutting blade 13 is fixedly set on the rotating shaft 12; the adapter body 1 is provided with a deflection unit 14 that drives the rotating shaft 12 to rotate longitudinally, and a transverse movement unit 14 that drives the deflection unit 14 and the rotating shaft 12 to slide transversely Unit 15; when the cutting blade 13 is flipped to face the cutting edge upward, it is in contact with the sand bag layer 3 and can cut the sand bag layer 3; a frame-shaped support frame 4 is provided in the spacing, and the support frame 4 is used to support the weight of the sand bag layer 3 and to install the deflection unit 14 and the transverse movement unit 15; a smoke sensor 16 for detecting smoke is provided on the rotating shaft 12, and a single-chip microcomputer 5, a power supply battery (not shown in the figure) and an alarm (not shown in the figure) are provided on the periphery of the support frame 4. The single-chip microcomputer 5 receives data from the smoke sensor 16 and controls the operation of the deflection unit 14, the transverse movement unit 15 and the alarm;

[0024] Under normal operating conditions, the smoke sensor 16 monitors whether there is smoke in the gap between the explosion-proof housing 2 and the adapter body 1. If not, it does not operate. Otherwise, it performs explosion-proof operations: in the early stage of smoke generation, the single-chip microcomputer 5 controls the lateral movement unit 15 to operate, drives the cutting blade 13 and the deflection unit 14 to move and monitor the smoke concentration value in real time to find the area with the highest smoke concentration value; then the lateral movement unit 15 drives the cutting blade 13 to move and stay in this area, and the single-chip microcomputer 5 controls the deflection unit 14 to operate and drive the cutting blade 13 to rotate. At the same time, the single-chip microcomputer 5 controls the lateral movement unit 15 to operate, driving the cutting blade 13 to move back and forth to cut the sand bag layer 3, so that the sand bag layer 3 is cut open, and the internal sand falls and enters the adapter body 1, covering the components that generate smoke;

[0025] By applying the method of this application, the limitation on sand content is broken through, and sufficient sand can be configured to ensure the explosion-proof effect. At the same time, intelligent position measurement technology and automatic fixed-point burial technology are used when burying sand, which can effectively bury large amounts of sand for components in the early stage of smoke generation, greatly improving the burial accuracy and effective sand coverage thickness, and solving the current problem encountered in the industry.

[0026] Preferably, the support frame 4 includes a frame 40, a support mesh layer 41 for supporting the sand bag layer 3 is provided on the top of the frame 40, and a through groove 42 for the cutting blade 13 to pass through is provided in the middle of the support mesh layer 41; this structure can effectively support the sand bag layer 3 without affecting the execution of the cutting action of the cutting blade 13, and at the same time, sand can also fall freely from the mesh holes of the support mesh layer 41.

[0027] Preferably, the transverse movement unit 15 includes a reciprocating screw 150 and a screw motor 151, both ends of the reciprocating screw 150 are rotatably installed on the frame 40 through the bearing seat, and the screw nut of the reciprocating screw 150 is rotatably connected to the rotating shaft 12; the structure is simple and easy to drive; preferably, the deflection unit 14 includes a reduction motor 140 installed on the screw nut, and the output end of the reduction motor 140 is provided with a first gear 141, and a second gear 142 meshing with the first gear is coaxially fixed on the rotating shaft 12; the structure is reasonable and compact, the integration is high, and the volume is small.

[0028] Preferably, two first sliding grooves 410 are provided on the supporting mesh layer 41, and the bottom of the two first sliding grooves 410 is provided with a first power supply copper bar 411; the first sliding groove 410 is slidably connected to the first power supply copper bar 411 with a first power supply rod 412, and the end of the first power supply rod 412 is provided with a first power supply brush 413 in contact with the first power supply copper bar 411, and the two first power supply rods 412 are fixedly connected to the screw nut; the positive and negative poles of the reduction motor 140 are electrically connected to the two first power supply rods 412 respectively; with this structural design, there is no need to design wires, which avoids the risk of internal entanglement causing the mechanism to fail to operate. At the same time, the two first power supply rods are also used to prevent the screw nut from deflecting, thereby ensuring the stability of the structural operation.

[0029] Preferably, a second sliding groove 414 is provided on the supporting mesh layer 41, and a second power supply copper bar 415 is provided at the bottom of the second sliding groove 414; a second power supply rod 416 is slidably connected to the second power supply copper bar 415, and a second power supply brush 417 in contact with the second power supply copper bar 415 is provided at the end of the second power supply rod 416; a first conductive ring 120 and a second conductive ring 121 are provided on the rotating shaft 12, and the positive and negative poles of the smoke sensor 16 are respectively connected to the first conductive ring 120 and the second conductive ring 121; the end of the second power supply copper bar 415 and the end of the first power supply copper bar 411 with opposite polarity are both inserted into the screw nut and provided with a third power supply brush 418, and the first conductive ring 120 and the second conductive ring 121 are respectively matched with the third power supply brush 418 of the corresponding polarity; with this structural design, there is no need to design wires, which avoids the risk of internal entanglement causing the mechanism to fail to operate, thereby ensuring the stability of the structural operation;

[0030] The first power supply copper bar 411 and the second power supply copper bar 415 both draw power from the power supply battery.

[0031] Preferably, an explosion-proof pressure relief valve 20 is provided on the explosion-proof housing 2. The explosion-proof pressure relief valve 20 is used to exhaust and relieve pressure when the pressure inside the explosion-proof housing exceeds a set value, thereby avoiding timely pressure relief when unexpected situations occur.

[0032] An explosion-proof method for a power adapter based on explosion-proof technology, using the above-mentioned power adapter based on explosion-proof technology, wherein the method comprises the steps of:

[0033] Under normal operating conditions, the smoke sensor monitors whether there is smoke in the gap between the explosion-proof housing and the adapter body. If not, it will not operate. Otherwise, it will automatically perform explosion-proof operations:

[0034] In the early stage of smoke generation, the single chip microcomputer controls the operation of the transverse movement unit, drives the cutting blade and the deflection unit to move and monitor the smoke concentration value in real time to find the area with the highest smoke concentration value;

[0035] Then the transverse movement unit drives the cutting blade to move and stay in the area, the single chip controls the deflection unit to drive the cutting blade to rotate, and at the same time the single chip controls the transverse movement unit to drive the cutting blade to move back and forth to cut the sand bag layer, so that the sand bag layer is cut, and the sand inside falls and enters the adapter body, covering the components that generate smoke;

[0036] By applying the method of this application, the limitation on sand content is broken through, and sufficient sand can be configured to ensure the explosion-proof effect. At the same time, intelligent position measurement technology and automatic fixed-point burial technology are used when burying sand, which can effectively bury large amounts of sand for components in the early stage of smoke generation, greatly improving the burial accuracy and effective sand coverage thickness, and solving the current problem encountered in the industry.

[0037] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A power adapter based on explosion-proof technology, comprising an adapter body, characterized in that: The adapter further includes an explosion-proof housing enclosing the adapter body, with a gap between the explosion-proof housing and the adapter body, and a sand bag layer disposed at the top of the gap. A slot is formed at the top of the adapter body, and a bearing seat is slidably disposed within the slot. A transverse rotating shaft is rotatably connected to the bearing seat, and a longitudinal arc-shaped cutting blade is fixedly disposed on the rotating shaft. The adapter body is provided with a deflection unit for driving the rotating shaft to rotate longitudinally, and a transverse movement unit for driving the deflection unit and the rotating shaft to slide transversely. When the cutting blade is flipped so that the cutting edge faces upward, it abuts against the sand bag layer and can cut the sand bag layer. A frame-shaped support frame is disposed within the gap, the support frame being used to support the weight of the sand bag layer and to mount the deflection unit and the transverse movement unit. A smoke sensor for detecting smoke is disposed on the rotating shaft, and a single-chip microcomputer, a power supply battery, and an alarm are disposed on the periphery of the support frame. The single-chip microcomputer receives data from the smoke sensor and controls the operation of the deflection unit, the transverse movement unit, and the alarm.

2. The power adapter based on explosion-proof technology according to claim 1, characterized in that: The support frame comprises a frame body, a support mesh layer for supporting the sand bag layer is arranged on the top of the frame body, and a through slot for the cutting blade to pass through is arranged in the middle of the support mesh layer.

3. The power adapter based on explosion-proof technology according to claim 2, characterized in that: The transverse movement unit includes a reciprocating screw and a screw motor. Both ends of the reciprocating screw are rotatably installed on the frame through a bearing seat, and the screw nut of the reciprocating screw is rotatably connected to the rotating shaft.

4. The power adapter based on explosion-proof technology according to claim 3, characterized in that: The deflection unit includes a reduction motor mounted on the lead screw nut, an output end of the reduction motor is provided with a first gear, and a second gear meshing with the first gear is coaxially fixed on the rotating shaft.

5. The power adapter based on explosion-proof technology according to claim 4, characterized in that: Two first sliding grooves are provided on the supporting mesh layer, and a first power supply copper bar is provided at the bottom of the two first sliding grooves; a first power supply rod is slidably connected to the first sliding groove from the first power supply copper bar, and a first power supply brush in contact with the first power supply copper bar is provided at the end of the first power supply rod, and the two first power supply rods are fixedly connected to the screw nut; the positive and negative poles of the reduction motor are electrically connected to the two first power supply rods respectively.

6. The explosion-proof power adapter according to claim 5, characterized in that: A second sliding groove is provided on the supporting mesh layer, and a second power supply copper bar is provided at the bottom of the second sliding groove; a second power supply rod is slidably connected to the second sliding groove, and a second power supply brush in contact with the second power supply copper bar is provided at the end of the second power supply rod; a first conductive ring and a second conductive ring are provided on the rotating shaft, and the positive and negative poles of the smoke sensor are respectively connected to the first conductive ring and the second conductive ring; the end of the second power supply copper bar and the end of the first power supply copper bar with opposite polarity are both inserted into the screw nut and provided with a third power supply brush, and the first conductive ring and the second conductive ring respectively cooperate with the third power supply brushes of corresponding polarity.

7. The power adapter based on explosion-proof technology according to claim 1, characterized in that: The explosion-proof housing is provided with an explosion-proof pressure relief valve, which is used to exhaust and relieve pressure when the pressure in the explosion-proof housing exceeds a set value.

8. An explosion-proof method for a power adapter based on explosion-proof technology, using the power adapter based on explosion-proof technology according to any one of claims 1 to 7, characterized in that: The method comprises the steps of: Under normal operating conditions, the smoke sensor monitors whether there is smoke in the gap between the explosion-proof housing and the adapter body. If not, it will not operate. Otherwise, it will automatically perform explosion-proof operations: In the early stage of smoke generation, the single chip microcomputer controls the operation of the transverse movement unit, drives the cutting blade and the deflection unit to move and monitor the smoke concentration value in real time to find the area with the highest smoke concentration value; Then the transverse movement unit drives the cutting blade to move and stay in the area. The single chip microcomputer controls the deflection unit to drive the cutting blade to rotate. At the same time, the single chip microcomputer controls the transverse movement unit to drive the cutting blade to move back and forth to cut the sand bag layer, so that the sand bag layer is cut, and the internal sand falls and enters the adapter body, covering the components that generate smoke.

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