Energy-saving explosion-proof LED driving power supply and explosion-proof method thereof

Abstract

The present application relates to energy-saving explosion-proof LED driving power supply and its explosion-proof method, including power supply body, also including the explosion-proof shell made of metal material, the explosion-proof shell includes the base plate and the explosion-proof cover that can be detached sealed connection with the base plate, the base plate is used for fixedly connected power supply body, the explosion-proof cover cover is established on power supply body;The inner wall and inner top of explosion-proof cover and the corresponding outside surface of power supply body all exist gap, and multiple gaps are communicated to form explosion-proof space;The upper surface of power supply body is provided with a plurality of heat dissipation grooves that are communicated with explosion-proof space;Not only can set up large area of sand bag layer, guarantee the amount of sand is sufficient, also has the function of smoke outlet position detection and smoke outlet position fixed point covers sand, in addition, the rotating blade not only has the function of air drainage, but also plays the additional effect of preventing and breaking up sand clumps and sand drainage.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of explosion-proof LED driving power supply, more particularly to an energy-saving explosion-proof LED driving power supply and an explosion-proof method thereof. BACKGROUND

[0002] As a high-efficiency, energy-saving and environment-friendly lighting product, the LED explosion-proof lamp needs to have an explosion-proof driving power supply when used in a specific environment. This is to prevent any spark during the lighting process from causing danger. In these environments, the circuit of the lamp itself and the emergency power supply must be sealed, dustproof, waterproof and fireproof to ensure safety in use. For example, in the environment of oil stations, mines and dust workshops, there are flammable and explosive substances such as gas, gas and dust, so the LED driving power supply needs to meet the relevant explosion-proof standards to ensure that it will not cause danger when used in these environments.

[0003] At present, the explosion-proof of the LED driving power supply is mostly solved from the material aspect, but there is no good intelligent solution to the fire caused by circuit failure, and an energy-saving explosion-proof LED driving power supply and an explosion-proof method thereof are needed to deal with this situation well. SUMMARY

[0004] The technical problem to be solved by the present application is to provide an energy-saving explosion-proof LED driving power supply and an explosion-proof method thereof to solve the above-mentioned defects of the prior art.

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

[0006] An energy-saving and explosion-proof LED driver power supply is constructed, including a power supply body and an explosion-proof shell made of metal. The explosion-proof shell includes a substrate and an explosion-proof cover detachably and sealingly connected to the substrate. The substrate is used to fix the power supply body, and the explosion-proof cover is placed on the power supply body. Gaps exist between the inner wall and the inner top of the explosion-proof cover and the corresponding outer surfaces of the power supply body, with multiple gaps connecting to form an explosion-proof space. Multiple heat dissipation slots communicating with the explosion-proof space are provided on the upper surface of the power supply body. A layer of sandbags is provided at the inner top of the explosion-proof space, and a track is provided below the sandbag layer. A horizontal plate is slidably mounted on the track. A funnel-shaped groove is formed on the horizontal plate. Two infrared emitting tubes and one infrared receiving tube are distributed along the edge of the funnel-shaped groove on the lower surface of the horizontal plate. The two infrared emitting tubes and the infrared receiving tube constitute a smoke detection unit, and the detection space is located inside the funnel-shaped groove. A rotating blade and a blade driving unit are provided on the upper surface of the horizontal plate. A cutting edge is provided on the outer side of the rotating blade. A horizontal plate driving unit and a microcontroller are installed within the explosion-proof space to drive the horizontal plate's movement. The microcontroller receives data from the smoke detection unit and controls the operation of the horizontal plate driving unit and the blade driving unit.

[0007] The energy-saving and explosion-proof LED driver power supply of the present invention includes a track comprising a first track rod and a second track rod arranged horizontally side by side. The upper surfaces of the first track rod and the second track rod provide support for the sandbag layer, and the lower surfaces are fixed with L-shaped slide rails. The two ends of the horizontal plate are slidably connected to the two slide rails respectively.

[0008] The energy-saving and explosion-proof LED driver power supply of the present invention includes a horizontal plate driving unit comprising a reciprocating lead screw and a lead screw motor; two bearing seats for mounting the reciprocating lead screw are fixed on any of the slide rails; and the lead screw motor is fixed to the inner wall of the explosion-proof cover.

[0009] The energy-saving and explosion-proof LED driver power supply of the present invention includes a blade driving unit comprising a crossbar mounted on a horizontal plate, a bearing seat mounted on the crossbar and aligned with the center of the funnel-shaped groove, a longitudinal rod rotatably connected to the bearing seat, an arc-shaped rotating blade with its inner side angled downwards, and the rotating blade being fixed to the upper end of the longitudinal rod; the blade driving unit also includes a micro motor that drives the longitudinal rod to rotate via a helical gear assembly.

[0010] The energy-saving explosion-proof LED driving power supply, wherein the first rail rod and the second rail rod are copper rods, and the positive and negative poles of the micro motor are electrically connected with the first rail rod and the second rail rod respectively; the smoke detection unit further comprises a control circuit board, the infrared emitting tube and the infrared receiving tube are electrically connected with the control circuit board and controlled by the control circuit board, and the control circuit board is electrically connected with the single-chip microcomputer through the first rail rod and the second rail rod; the two infrared emitting tubes and the infrared receiving tube are embedded on the lower surface of the horizontal plate.

[0011] The energy-saving explosion-proof LED driving power supply, wherein the inner surface of the explosion-proof cover is provided with a power supply battery; and the outer surface of the explosion-proof cover is provided with a control panel and an alarm electrically connected with the single-chip microcomputer.

[0012] The energy-saving explosion-proof LED driving power supply, wherein the explosion-proof cover is further provided with an explosion-proof valve, which is used for opening and releasing pressure when the internal pressure of the explosion-proof cover exceeds a set pressure value.

[0013] An explosion-proof method of an energy-saving explosion-proof LED driving power supply, which applies the energy-saving explosion-proof LED driving power supply as described above, wherein the method comprises the following steps:

[0014] In a normal operation state, the smoke detection unit detects smoke and sends the detection result to the single-chip microcomputer; if the single-chip microcomputer receives no smoke in the detection result, no action is taken, otherwise, an external alarm is sounded and the following explosion-proof operation is automatically executed:

[0015] The single-chip microcomputer controls the horizontal plate driving unit to operate, drives the horizontal plate to move, at the same time, controls the blade driving unit to operate, drives the rotating blade to rotate and suck the wind below the funnel-shaped groove to the upper part of the funnel-shaped groove; the rotating blade rotates at the same time, extrudes the sand soil bag layer and breaks the sand soil clumps that may exist;

[0016] The single-chip microcomputer receives the data fed back by the smoke detection unit, determines the area with the highest smoke concentration, and drives the horizontal plate driving unit to operate and drive the horizontal plate to move to the area;

[0017] The single-chip microcomputer controls the blade driving unit to operate, drives the rotating blade to reverse, cuts the sand soil bag layer by the blade edge, and rotates to guide the sand soil to flow down, the sand soil enters the inside of the power supply body through the funnel-shaped groove and the heat dissipation slot corresponding to the area, and covers the surface of the component generating smoke.

[0018] The beneficial effects of the present application are that, in the normal operating state, the smoke detection unit performs smoke detection and sends the detection results to the single-chip microcomputer; if the single-chip microcomputer receives no smoke detection results, no action is taken, otherwise, external alarm is given and the following explosion-proof operation is automatically performed: the single-chip microcomputer controls the horizontal plate driving unit to operate, drives the horizontal plate to move, at the same time, the single-chip microcomputer controls the blade driving unit to operate, drives the blade to rotate to suck the air below the funnel-shaped groove to the upper part of the funnel-shaped groove; the blade rotates at the same time to extrude the sand soil bag layer and break the sand soil agglomerates that may exist; the single-chip microcomputer receives the data fed back by the smoke detection unit, determines the area with the highest smoke concentration, drives the horizontal plate driving unit to operate to drive the horizontal plate to move to the area; the single-chip microcomputer controls the blade driving unit to operate, drives the blade to reverse, cuts the sand soil bag layer with the blade edge, and rotates to guide the sand soil to flow down, the sand soil enters the power body through the funnel-shaped groove and the heat dissipation slot corresponding to the area, and covers the surface of the component generating smoke;

[0019] By using the method of the present application, the explosion-proof shell can improve the explosion-proof performance, can not only set a large area of sand soil bag layer to ensure sufficient amount of sand soil, but also has the functions of smoke outlet position detection and smoke outlet position fixed-point sand soil covering, in addition, the rotating blade has the functions of air guiding, sand soil agglomerate prevention and breaking, and sand soil guiding; the application structure of the present application can be improved on the existing LED driving power supply, and the improvement cost is low, which is suitable for popularization and application. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the present application will be further described below with reference to the drawings and embodiments. The drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings:

[0021] Figure 1 is a sectional view of the energy-saving explosion-proof LED driving power supply of the preferred embodiment of the present application along the length direction;

[0022] Figure 2 is Figure 1 is an enlarged schematic view of A in FIG.

[0023] Figure 3 is a track sectional view of the energy-saving explosion-proof LED driving power supply of the preferred embodiment of the present application. DETAILED DESCRIPTION

[0024] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the following will make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present application.

[0025] The energy-saving explosion-proof LED driving power supply of the preferred embodiment of the present application, as shown in Figure 1 , and referring to Figure 2 and Figure 3 , comprises a power body 1, and further comprises an explosion-proof shell 2 made of metal material, the explosion-proof shell 2 comprises a base plate 20 and an explosion-proof cover 21 detachably and sealingly connected with the base plate 20, the base plate 20 is used for fixedly connecting the power body 1 (which can be fixed by using glue or the like), and the explosion-proof cover 21 covers the power body 1; the inner wall and the inner top of the explosion-proof cover 21 are both provided with gaps with the corresponding outer side surface of the power body 1, and the gaps at multiple positions are communicated to form an explosion-proof space; the upper surface of the power body 1 is provided with a plurality of heat dissipation grooves 10 (which are convenient for sand entering while dissipating heat) communicated with the explosion-proof space; the inner top of the explosion-proof space is provided with a sand bag layer 30, and the lower side of the sand bag layer 30 is provided with a track 31, the track 31 is slidingly provided with a horizontal plate 32, the horizontal plate 32 is provided with a funnel-shaped groove 320, the lower surface of the horizontal plate 32 is provided with two infrared emitting tubes 40 and one infrared receiving tube 41 distributed at the edge of the funnel-shaped groove 320, the two infrared emitting tubes 40 and the infrared receiving tube 41 constitute a smoke detection unit 4 (which further comprises a control circuit board described below) and detect a space inside the funnel-shaped groove 320; the upper surface of the horizontal plate 32 is provided with a rotating blade 50 and a blade driving unit 51, the outer side of the rotating blade 50 is provided with a cutting edge 500; the explosion-proof space is provided with a horizontal plate driving unit 6 and a single-chip microcomputer 7 for driving the horizontal plate 32 to move, the single-chip microcomputer 7 receives data of the smoke detection unit 4 and controls the horizontal plate driving unit 6 and the blade driving unit 51 to operate;

[0026] In normal operation state, the smoke detection unit 4 detects smoke and sends the detection result to the single-chip microcomputer 7; if the single-chip microcomputer 7 receives no smoke detection result, it does not act, otherwise, it alarms externally and automatically executes the following explosion-proof operation: the single-chip microcomputer 7 controls the horizontal plate driving unit 6 to operate, drives the horizontal plate 32 to move, at the same time, the single-chip microcomputer 7 controls the blade driving unit 51 to operate, drives the rotating blade 50 to rotate and suck the air below the funnel-shaped groove 320 to the upper part of the funnel-shaped groove 320 (through the inside of the funnel-shaped groove 420, to ensure that the smoke detection unit 4 can accurately detect); the rotating blade 50 rotates at the same time, extrudes the sand bag layer 30 and breaks the sand clumps that may exist; the single-chip microcomputer 7 receives the data fed back by the smoke detection unit 4, determines the area with the highest smoke concentration, drives the horizontal plate driving unit 6 to operate and drives the horizontal plate 32 to move to the area; the single-chip microcomputer 7 controls the blade driving unit 51 to operate, reverses the blade, cuts the sand bag layer 30 with the blade edge, and rotates to guide the sand to flow down, the sand enters the inside of the power supply body through the funnel-shaped groove 320 and the heat dissipation slot 10 corresponding to the area, and covers the surface of the component generating smoke;

[0027] The application can not only set a large area of sand bag layer to ensure sufficient amount of sand, but also has the functions of smoke outlet position detection and sand covering at the smoke outlet position. In addition, the rotating blade has the functions of air guiding, sand clump breaking and sand guiding. The application can be improved on the basis of the existing LED driving power supply, has low improvement cost, and is suitable for popularization and application.

[0028] Preferably, the track 31 comprises a first track rod 310 and a second track rod 311 arranged transversely and side by side, the upper surfaces of the first track rod 310 and the second track rod 311 provide support for the sand bag layer 30, and the lower surfaces are fixed with L-shaped slide rails 312; the two ends of the horizontal plate 32 are respectively connected with the two slide rails 312 in sliding mode.

[0029] The structure design can effectively utilize the track 31 to disperse the weight of the sand bag layer 30, improve the reliability, and ensure the spatial position relationship between the horizontal plate 32 and the sand bag layer 30 without interfering with the sliding of the horizontal plate 32, and ensure that the rotating blade 50 contacts and acts on the sand bag layer 30.

[0030] Preferably, the horizontal plate driving unit 6 comprises a reciprocating screw rod 60 and a screw rod motor 61; two bearing seats 313 for mounting the reciprocating screw rod are fixed on any slide rail 312; the screw rod motor 61 is fixed on the inner wall of the explosion-proof cover 21; the position of the horizontal plate 32 can be adjusted back and forth by the reciprocating screw rod 61 to determine the smoke generation point.

[0031] Preferably, the vane driving unit 51 comprises a horizontal rod 510 arranged on the horizontal plate 32, the horizontal rod 510 is provided with a bearing seat 511 opposite to the center of the funnel-shaped groove 320, a longitudinal rod 512 is rotatably connected to the bearing seat 511, the rotating vane 50 is arranged in an arc shape and the inner side is arranged in a downward slope, and the rotating vane 50 is fixed to the upper end of the longitudinal rod 512; the vane driving unit 51 further comprises a micro motor 514 for driving the longitudinal rod 512 to rotate through a bevel gear assembly 513;

[0032] During operation, the micro motor 514 drives the bevel gear assembly 513 to rotate, thereby driving the longitudinal rod 512 to rotate, and further driving the rotating vane 50 to rotate; the bevel gear assembly 513 can adopt a first bevel gear and a second bevel gear in meshing, the first bevel gear is connected with the micro motor 514, and the second bevel gear is connected with the longitudinal rod.

[0033] Preferably, the first rail 310 and the second rail 311 are both copper rods, and the positive and negative electrodes of the micro motor 514 are respectively electrically connected with the first rail 310 and the second rail 311; the smoke detection unit 4 further comprises a control circuit board 42, the infrared emitter tube 40 and the infrared receiver tube 41 are both electrically connected with and controlled by the control circuit board 42, the control circuit board 42 is electrically connected with the single-chip microcomputer 7 through the first rail 310 and the second rail 311; the two infrared emitter tubes 40 and the infrared receiver tubes 41 are both embedded on the lower surface of the horizontal plate 32; the structure is reasonable and compact, and the wiring through the first rail 310 and the second rail 311 can reduce the internal wires and improve the reliability.

[0034] Preferably, the inner surface of the explosion-proof cover 21 is provided with a power supply battery 8; the outer surface of the explosion-proof cover 21 is provided with a control panel 9 and an alarm 90 electrically connected with the single-chip microcomputer; the explosion-proof cover 21 is further provided with an explosion-proof valve 91 for opening and pressure relief when the internal pressure of the explosion-proof cover exceeds the set pressure value; the operation control, alarm and overpressure protection are facilitated.

[0035] An explosion-proof method of an energy-saving explosion-proof LED driving power supply, which applies the energy-saving explosion-proof LED driving power supply as described above, wherein the method comprises the following steps:

[0036] In a normal operation state, the smoke detection unit detects smoke and sends the detection result to the single-chip microcomputer; if the single-chip microcomputer receives no smoke in the detection result, it does not act, otherwise it alarms externally and automatically executes the following explosion-proof operation:

[0037] The single-chip microcomputer controls the horizontal plate driving unit to operate and drive the horizontal plate to move, and controls the vane driving unit to operate and drive the vane to rotate to suck the wind below the funnel-shaped groove to the upper part of the funnel-shaped groove; the vane rotates to squeeze the sand bag layer and break the sand lumps that may exist;

[0038] The single-chip microcomputer receives the data fed back by the smoke detection unit, determines the area with the highest smoke concentration, and drives the horizontal plate driving unit to move the horizontal plate to the area;

[0039] The single-chip microcomputer controls the blade driving unit to operate, drives the blade to reverse, cuts the sand soil bag layer by the cutting edge, and rotates to guide the sand soil to flow down. The sand soil enters the power body through the funnel-shaped groove and the corresponding heat dissipation slot in the area, and covers the surface of the component generating smoke;

[0040] The application method of the application can not only set a large area of sand soil bag layer to ensure sufficient amount of sand soil, but also has the functions of smoke outlet position detection and smoke outlet position fixed-point sand soil covering. In addition, the rotating blade has the functions of air drainage, prevention and dispersion of sand soil clumps, and sand soil drainage. The application structure can be improved on the existing LED driving power supply, and the improvement cost is low, which is suitable for popularization and application.

[0041] It should be understood that those skilled in the art can make improvements or changes according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the present application.

Claims

1. An energy-saving explosion-proof LED driving power supply, comprising a power supply body, characterized in that, The explosion-proof shell is made of metal material, and comprises a base plate and an explosion-proof cover detachably and sealingly connected with the base plate, the base plate is used for fixedly connecting the power supply body, and the explosion-proof cover covers the power supply body; gaps exist between the inner wall and the inner top of the explosion-proof cover and the corresponding outer side surface of the power supply body, and the gaps at multiple positions are communicated to form an explosion-proof space; a plurality of heat dissipation grooves which communicate with the explosion-proof space are arranged on the upper surface of the power supply body; a sand bag layer is arranged on the inner top of the explosion-proof space, a track is arranged below the sand bag layer, a horizontal plate is slidingly arranged on the track, a funnel-shaped groove is arranged on the horizontal plate, two infrared emitting tubes and one infrared receiving tube are arranged on the lower surface of the horizontal plate and are distributed at the edge of the funnel-shaped groove, the two infrared emitting tubes and the infrared receiving tube constitute a smoke detection unit and a detection space is arranged inside the funnel-shaped groove; a rotating blade and a blade driving unit are arranged on the upper surface of the horizontal plate, and a cutting edge is arranged on the outer side of the rotating blade; a horizontal plate driving unit and a single-chip microcomputer are arranged in the explosion-proof space and are used for driving the horizontal plate to move, and the single-chip microcomputer receives data of the smoke detection unit and controls the horizontal plate driving unit and the blade driving unit to operate.

2. The energy-saving explosion-proof LED driving power supply according to claim 1, characterized in that, The track comprises a first track rod and a second track rod which are transversely arranged side by side, the upper surfaces of the first track rod and the second track rod provide support for the sand bag layer, and the lower surfaces of the first track rod and the second track rod are fixedly connected with L-shaped sliding rails; the two ends of the horizontal plate are slidingly connected with the two sliding rails respectively.

3. The energy-saving explosion-proof LED driving power supply according to claim 2, characterized in that, The horizontal plate driving unit comprises a reciprocating screw rod and a screw rod motor, and two bearing seats for mounting the reciprocating screw rod are fixed on any one of the sliding rails; the screw rod motor is fixed on the inner wall of the explosion-proof cover.

4. The energy-saving explosion-proof LED driving power supply according to claim 2, characterized in that, The blade driving unit comprises a horizontal rod arranged on the horizontal plate, a bearing seat arranged on the horizontal rod and opposite to the center of the funnel-shaped groove, a longitudinal rod rotatably connected with the bearing seat, and a rotating blade arranged in an arc shape and inclined downward, the rotating blade is fixed on the upper end of the longitudinal rod; the blade driving unit further comprises a micro motor used for driving the longitudinal rod to rotate through a bevel gear assembly.

5. The energy-saving explosion-proof LED driving power supply according to claim 4, characterized in that, The first track rod and the second track rod are both copper rods, the positive and negative poles of the micro motor are electrically connected with the first track rod and the second track rod respectively, the smoke detection unit further comprises a control circuit board, the infrared emitting tubes and the infrared receiving tube are electrically connected with the control circuit board and are controlled by the control circuit board, the control circuit board is electrically connected with the single-chip microcomputer through the first track rod and the second track rod, and the two infrared emitting tubes and the infrared receiving tube are embedded on the lower surface of the horizontal plate.

6. The energy-saving explosion-proof LED driving power supply according to claim 5, characterized in that, A power supply battery is arranged on the inner surface of the explosion-proof cover, and a control panel and an alarm which are electrically connected with the single-chip microcomputer are arranged on the outer surface of the explosion-proof cover.

7. The energy-saving explosion-proof LED driving power supply according to claim 1, characterized in that, An explosion-proof valve is further arranged on the explosion-proof cover, and the explosion-proof valve is used for being opened and releasing pressure when the pressure inside the explosion-proof cover exceeds a set pressure value.

8. An explosion-proof method of the energy-saving explosion-proof LED driving power supply, applying the energy-saving explosion-proof LED driving power supply according to any one of claims 1-7, characterized in that, The method comprises the following steps: In normal operation state, the smoke detection unit detects smoke and sends the detection result to the single-chip microcomputer; if the single-chip microcomputer receives no smoke, it does not act, otherwise, it alarms and automatically executes the following explosion-proof operation: The single-chip microcomputer controls the horizontal plate driving unit to operate, drives the horizontal plate to move, and controls the blade driving unit to operate, drives the rotating blade to rotate and suck the wind below the funnel-shaped groove to the upper part of the funnel-shaped groove; The rotating blade rotates while extruding the sand soil bag layer and breaking the sand soil clumps that may exist; The single-chip microcomputer receives the data fed back by the smoke detection unit, determines the area with the highest smoke concentration, and drives the horizontal plate driving unit to operate and drive the horizontal plate to move to the area; The single-chip microcomputer controls the blade driving unit to operate, drives the rotating blade to reverse, cuts the sand soil bag layer with the blade edge, and rotates to guide the sand soil to flow down, the sand soil enters the power body through the funnel-shaped groove and the corresponding heat dissipation slot of the area, and covers the surface of the component generating smoke.

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