Power adapter based on explosion-proof technology and explosion-proof method thereof

Abstract

The invention relates to a power adapter based on an explosion-proof technology and an explosion-proof method thereof, the power adapter comprises an adapter body and further comprises an explosion-proof shell wrapping the adapter body, a space exists between the explosion-proof shell and the adapter body, and a sandy soil bag layer is arranged at the top in the space; an open groove is formed in the top of the adapter body, a bearing seat is arranged in the open groove in a sliding mode, a transverse rotating shaft is rotationally connected to the bearing seat, and a longitudinal arc-shaped cutting blade is fixedly arranged on the rotating shaft; the adapter body is provided with a deflection unit for driving the rotating shaft to longitudinally rotate and a transverse moving unit for driving the deflection unit and the rotating shaft to transversely slide; according to the device, sufficient sandy soil can be configured to ensure the explosion-proof effect, meanwhile, an intelligent position measuring technology and an automatic fixed-point burying technology are adopted during sandy soil burying, targeted large-amount sandy soil burying can be well achieved for components in the early stage of smoke generation, and the burying accuracy and the effective sandy soil covering thickness are greatly improved.

Description

Technical Field

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

[0002] Explosion-proof power adapter is a special power adapter developed to meet the electrical and safety requirements of the industrial field. It is mainly designed to prevent dangerous accidents such as explosions and fires during use. This power adapter is widely used in the fields of petroleum, chemical, medicine, food, etc. In these fields, due to the particularity of the working environment, the use of ordinary power adapters may cause dangerous situations such as fire or explosion, while explosion-proof power adapters can effectively avoid these risks; 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, when the temperature-variable capsule ruptures due to heat, the internal fine sand is squeezed out to extinguish the fire. However, due to the volume of the temperature-variable capsule, the amount of stored fine sand 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

[0003] 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 view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve the technical problem is: A power adapter based on explosion-proof technology is constructed, comprising an adapter body, wherein the adapter body is also provided with an explosion-proof shell that wraps the adapter body, wherein there is a gap between the explosion-proof shell and the adapter body, and a sand bag layer is arranged at the top of the gap; a slot is provided at the top of the adapter body, 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 arranged on the adapter body; when the cutting blade is turned over to face the blade upward, it is attached to the sand bag layer and can cut the sand bag layer; a frame-shaped support frame is arranged in the gap, and the support frame is used to support the weight of the sand bag layer and install the deflection unit and the transverse movement unit; a smoke sensor for detecting smoke is arranged on the rotating shaft, and a single-chip microcomputer, a power supply battery and an alarm are arranged on the periphery of the support frame, and 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.

[0005] The power adapter based on explosion-proof technology described in the present invention, wherein the support frame includes a frame, a support mesh layer for supporting the sand bag layer is arranged on the top of the frame, and a through groove for the cutting blade to pass through is arranged in the middle of the support mesh layer.

[0006] The power adapter based on explosion-proof technology described in the present invention, wherein the lateral 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.

[0007] The power adapter based on explosion-proof technology described in the present invention, wherein the deflection unit includes a reduction motor installed 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.

[0008] The power adapter based on explosion-proof technology described in the present invention, wherein two first sliding grooves are arranged on the supporting mesh layer, and a first power supply copper bar is arranged at the bottom of the two first sliding grooves; a first power supply rod from the first power supply copper bar is slidably connected to the first sliding groove, and a first power supply brush in contact with the first power supply copper bar is arranged 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.

[0009] 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 are respectively matched with the third power supply brush of the corresponding polarity.

[0010] The power adapter based on explosion-proof technology described in the present invention, wherein the explosion-proof housing is provided with an explosion-proof pressure relief valve, 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.

[0011] 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: Under normal operating conditions, the smoke sensor monitors whether there is smoke in the distance between the explosion-proof housing and the adapter body. If there is no smoke, it will not act. Otherwise, it will automatically perform explosion-proof operations: In the early stage of smoke generation, the single chip microcomputer controls the operation of the lateral 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 that area, the single chip microcomputer controls the deflection unit to drive the cutting blade to rotate, and 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 down and enters the adapter body, covering the components that generate smoke.

[0012] 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 there is no smoke, it does not act, otherwise it performs explosion-proof operation: in the early stage of smoke generation, the single-chip microcomputer controls the lateral movement unit to operate, drives the cutting blade and the deflection unit to move and monitor the smoke concentration value in real time, and finds the area with the highest smoke concentration value; then the lateral 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 lateral 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 internal sand falls and enters the adapter body, covering the components that generate smoke; By applying the method and technique of the present 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. It is possible to carry out targeted large-scale sand burial for components in the early stage of smoke generation, greatly improve the burial accuracy and effective sand coverage thickness, and solve the current problem encountered in the industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] 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 in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work: 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; Figure 2 It 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

[0014] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial 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 belong to the protection scope of the present invention.

[0015] The power adapter based on explosion-proof technology in a 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 arranged on the top of the gap; a slot 10 is opened on the top of the adapter body 1, and a bearing seat is slidably arranged in the slot 10, and a horizontal rotating shaft 12 is rotatably connected to the bearing seat, and a longitudinal arc-shaped cutting blade 13 is fixedly arranged on the rotating shaft 12; a deflection unit 14 for driving the rotating shaft 12 to rotate longitudinally, and a transverse displacement unit 14 for driving the deflection unit 14 and the rotating shaft 12 to slide transversely are arranged on the adapter body 1 Unit 15; when the cutting blade 13 is turned over to face the blade upward, it is attached to 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 lateral 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 lateral movement unit 15 and the alarm; 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 operation: 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, and finds the area with the highest smoke concentration value; then the lateral movement unit 15 drives the cutting blade 13 to move and stay in the area, the single-chip microcomputer 5 controls the deflection unit 14 to operate and drives the cutting blade 13 to rotate, and at the same time, the single-chip microcomputer 5 controls the lateral movement unit 15 to operate, drives 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, and the internal sand falls and enters the adapter body 1, covering the components that generate smoke; By applying the method and technique of the present 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. It is possible to carry out targeted large-scale sand burial for components in the early stage of smoke generation, greatly improve the burial accuracy and effective sand coverage thickness, and solve the current problem encountered in the industry.

[0016] Preferably, the support frame 4 includes a frame 40, a support mesh layer 41 for supporting the sand bag layer 3 is arranged on the top of the frame 40, and a through groove 42 for the cutting blade 13 to pass through is arranged 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, the sand can also fall freely from the mesh holes of the support mesh layer 41.

[0017] 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 bearing seats, 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 a first gear 141 is provided at the output end of the reduction motor 140, 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.

[0018] 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 with a first power supply rod 412 from the first power supply copper bar 411, 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 lead 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 lead screw nut from deflecting, thereby ensuring the stability of the structural operation.

[0019] 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 sliding groove 414 from 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; adopting this structural design, there is no need to design wires, which avoids the risk of internal entanglement causing the mechanism to fail to operate, and ensures the stability of the structural operation; The first power supply copper bar 411 and the second power supply copper bar 415 both draw power from the power supply battery.

[0020] Preferably, an explosion-proof pressure relief valve 20 is provided on the explosion-proof housing 2, and the explosion-proof pressure relief valve 20 is used to exhaust and relieve pressure when the pressure in the explosion-proof housing exceeds a set value, so as to avoid timely pressure relief when unexpected situations occur.

[0021] 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: Under normal operating conditions, the smoke sensor monitors whether there is smoke in the distance between the explosion-proof housing and the adapter body. If there is no smoke, it will not act. Otherwise, it will automatically perform explosion-proof operations: In the early stage of smoke generation, the single chip microcomputer controls the operation of the lateral 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 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; By applying the method and technique of the present 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. It is possible to carry out targeted large-scale sand burial for components in the early stage of smoke generation, greatly improve the burial accuracy and effective sand coverage thickness, and solve the current problem encountered in the industry.

[0022] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these 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 also includes an explosion-proof shell that wraps the adapter body, and there is a gap 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 opened on the top of the adapter body, and a bearing seat is slidably arranged in the slot, and 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 arranged on the adapter body; when the cutting blade is turned over to face the blade upward, it is attached to the sand bag layer and can cut the sand bag layer; a frame-shaped support frame is arranged in the gap, and the support frame is used to support the weight of the sand bag layer and install the deflection unit and the transverse movement unit; a smoke sensor for detecting smoke is arranged on the rotating shaft, and a single-chip microcomputer, a power supply battery and an alarm are arranged on the periphery of the support frame, and 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 comprises a reduction motor mounted on the lead screw nut, a first gear is arranged at an output end of the reduction motor, 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 arranged on the supporting mesh layer, and a first power supply copper bar is arranged at the bottom of the two first sliding grooves; a first power supply rod is slidably connected to the first sliding groove and a first power supply brush in contact with the first power supply copper bar is arranged 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 power adapter based on explosion-proof technology 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 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 are provided with a third power supply brush, and the first conductive ring and the second conductive ring respectively cooperate with the third power supply brush of the 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 for exhausting and relieving 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 as described in 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 there is no smoke, it will not act. Otherwise, it will automatically perform explosion-proof operations: In the early stage of smoke generation, the single chip microcomputer controls the operation of the lateral 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 that area, the single chip microcomputer controls the deflection unit to drive the cutting blade to rotate, and 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 down and enters the adapter body, covering the components that generate smoke.

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