A quick-opening blind plate electronic interlocking device

Abstract

The utility model discloses a quick-open blind plate electronic interlocking device, including a blind plate body and a filter, wherein the blind plate body is connected to one side of the filter, a connecting plate is arranged inside the filter, a first locking plate is fixed to one side of the filter, a locking block is fixed to one side of the first locking plate, a jack is provided inside the locking block, a second locking plate is connected to the top of the blind plate body, one end of the second locking plate is connected to a control box, an electromagnetic latch is arranged on one side of the control box, and a locking groove is provided inside the second locking plate. The utility model can only boost the pressure when the predetermined closing position is reached, and can only open the door when the internal pressure is completely released, so as to eliminate the potential safety hazards in the use process, so as to realize interlocking when operating the quick-open blind plate to replace the filter element, further ensure the safe use of the operation, and ensure the purpose of personal safety.

Description

Technical Field

[0001] The utility model relates to the technical field of blind plates, in particular to an electronic interlocking device for quick-opening blind plates. Background Art

[0002] Filters are usually installed in natural gas transmission and distribution pipelines to filter out impurities in natural gas. The open end of the shell of a traditional filter is generally sealed with a blind plate. When necessary, the components in the shell can be inspected, maintained and replaced by removing the blind plate.

[0003] The safety interlock device should meet the following requirements when in use: 1. The pressure can only be increased when the quick-opening door reaches the predetermined closing position; 2. The quick-opening door can only be opened when the internal pressure of the pressure vessel is completely released. In order to eliminate the potential safety hazards during use and to achieve interlocking when operating the quick-opening blind plate to replace the filter element, further ensure the safe use of the operation and personal safety, it is necessary to design a quick-opening blind plate electronic interlocking device to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a quick-open blind plate electronic interlocking device to solve the problem of further improving the use safety proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a quick-open blind plate electronic interlocking device, comprising a blind plate body and a filter, wherein the blind plate body is connected to one side of the filter;

[0006] A connecting plate is provided inside the filter, a first locking plate is fixed on one side of the filter, and a locking block is fixed on one side of the first locking plate, and a plug hole is provided inside the locking block;

[0007] A second locking plate is connected to the top of the blind plate body, and one end of the second locking plate is connected to the control box, an electromagnetic latch is arranged on one side of the control box, a locking groove is arranged inside the second locking plate, and the locking groove is connected to the locking block, the electromagnetic latch passes through the inside of the locking groove and is connected to the jack, a mounting frame is fixed to one side of the blind plate body, and a main control box is fixed to one side of the mounting frame, a single-chip microcomputer is arranged inside the main control box, and an indicator light group is evenly arranged on one side of the main control box, an air vent pipe is connected to the inside of the mounting frame, and a control valve is arranged on the outside of the air vent pipe, one end of the air vent pipe is connected to the inside of the blind plate body, a pressure sensor is arranged inside the blind plate body, a fixing bracket is connected to the bottom end of the second locking plate, and a Hall proximity switch is arranged at the bottom end of the fixing bracket, a mounting groove is arranged on the top of the blind plate body, and the fixing bracket is connected to the mounting groove.

[0008] Preferably, the connecting plate and the filter are connected by welding, a connecting block is fixed on one side of the connecting plate, and a threaded rod is rotatably connected to one side of the connecting block, a threaded groove is opened on one side inside the blind plate body, and the threaded groove is threadedly connected to the threaded rod.

[0009] Preferably, a hand wheel is provided on the outer side of the threaded rod, and a detachable connection structure is formed between the hand wheel and the threaded rod.

[0010] Preferably, a rotation groove is provided inside the connecting block, a rotation block is fixed to a side of the threaded rod close to the connecting block, and the rotation block is connected to the rotation groove.

[0011] Preferably, the width of the rotating block matches the width of the rotating groove, and the cross-sections of the rotating block and the rotating groove are both convex.

[0012] Preferably, handles are fixed at both ends of one side of the blind plate body, and anti-slip patterns are provided on the outer sides of the handles.

[0013] Preferably, a sealing cover is connected between the blind plate body and the mounting frame, and the threaded rod passes through the interior of the sealing cover.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the electronic interlocking device for quick-open blind plate realizes the functions of improving safety and facilitating opening;

[0015] By providing an indicator light group, which includes a no-pressure unlocking indicator light, a pressure locking indicator light, a door-open unlocking indicator light, and a door-closed locking indicator light, during use, first close the manual stop valve at the filter inlet, and release the pressure on the filter through the bleed pipe and the control valve. When the pressure reaches a safe range, the pressure sensor displays a pressure value of zero, and the pressure sensor sends a signal to the single-chip microcomputer, which then outputs a signal to the control box after receiving the signal, that is, controls the electromagnetic latch to unlock. At this time, the pressure locking indicator light on the main control box goes out. After the blind plate body is removed, the Hall proximity switch is separated, and the door-open unlocking indicator light on the main control box lights up. After the core is replaced, the blind plate body is closed in place, the Hall proximity switch receives the signal and inputs it to the main control box, which outputs a signal to the control box, so that the electromagnetic latch is locked. At this time, the door lock indicator light is on. After the manual stop valve of the filter is opened, the pressure rises, and the pressure sensor outputs a pressure signal to the main control box. The pressure lock indicator light is on, so that the pressure can be increased when the predetermined closing position is reached, and the door can be opened when the internal pressure is completely released, so as to eliminate the safety hazards in the use process, and achieve interlocking when operating the quick-open blind plate to replace the filter element, further ensuring the safe use of the operation and ensuring the purpose of personal safety;

[0016] By providing a threaded rod, a detachable connection structure is formed between the threaded rod and the hand wheel during use. When the blind plate body is opened, the hand wheel is engaged with the threaded rod, and the hand wheel is turned to drive the threaded rod to rotate. The threaded rod can loosen the blind plate body through the threaded connection with the blind plate body, thereby assisting the opening of the blind plate body.

[0017] By providing a sealing cover, the sealing cover is connected with the blind plate body and the mounting frame during use, so as to play a sealing and shielding role on the threaded connection of the threaded rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the second locking plate of the utility model;

[0021] Figure 3 For the utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the blind plate main body of the utility model;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the connection block of the utility model.

[0024] Explanation of the reference numerals in the figure: 1. first locking plate; 2. locking block; 3. connecting plate; 4. connecting block; 5. threaded rod; 6. blind plate body; 7. handle; 8. mounting bracket; 9. main control box; 10. single chip microcomputer; 11. indicator light group; 12. hand wheel; 13. vent pipe; 14. control valve; 15. threaded groove; 16. control box; 17. second locking plate; 18. locking groove; 19. electromagnetic latch; 20. sealing cover; 21. fixing bracket; 22. Hall proximity switch; 23. mounting groove; 24. pressure sensor; 25. rotating block; 26. rotating groove; 27. filter; 28. jack. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 , the utility model provides the following technical solutions: Example

[0027] In order to solve the problem of low opening safety of the blind plate body 6 in the prior art, the following solution is disclosed. Figure 1 , Figure 2 and Figure 4 As shown, it includes a blind plate body 6 and a filter 27. Both ends of one side of the blind plate body 6 are fixed with handles 7, and the outer sides of the handles 7 are provided with anti-slip patterns. The blind plate body 6 is connected to one side of the filter 27, and a connecting plate 3 is provided inside the filter 27. A first locking plate 1 is fixed to one side of the filter 27, and a locking block 2 is fixed to one side of the first locking plate 1, and a plug hole 28 is provided inside the locking block 2. The top of the blind plate body 6 is connected to a second locking plate 17, and one end of the second locking plate 17 is connected to a control box 16. An electromagnetic latch 19 is provided on one side of the control box 16, and a locking groove 18 is provided inside the second locking plate 17, and the locking groove 18 is connected to the locking block 2, and the electromagnetic latch 19 penetrates The interior of the locking groove 18 is connected to the jack 28, a mounting frame 8 is fixed to one side of the blind plate body 6, and a main control box 9 is fixed to one side of the mounting frame 8, a single-chip microcomputer 10 is arranged inside the main control box 9, and an indicator light group 11 is evenly arranged on one side of the main control box 9, an air release pipe 13 is connected to the interior of the mounting frame 8, and a control valve 14 is arranged on the outside of the air release pipe 13, one end of the air release pipe 13 is connected to the interior of the blind plate body 6, a pressure sensor 24 is arranged inside the blind plate body 6, a fixed bracket 21 is connected to the bottom end of the second locking plate 17, and a Hall proximity switch 22 is arranged at the bottom end of the fixed bracket 21, and a mounting groove 23 is opened at the top of the blind plate body 6, and the fixed bracket 21 is connected to the mounting groove 23.

[0028] In this embodiment, when in use, an indicator light group 11 is provided, which includes a pressure-free unlocking indicator light, a pressure-locking indicator light, a door-open unlocking indicator light, and a door-closed locking indicator light. First, the manual stop valve at the inlet of the filter 27 is closed, and the filter 27 is depressurized through the air release pipe 13 and the control valve 14. When the pressure reaches a safe range, the pressure sensor 24 displays a pressure value of zero on the display screen of the main control box 9. The pressure sensor 24 sends a signal to the single-chip microcomputer 10, which outputs a signal to the control box 16 after receiving the signal, that is, controls the electromagnetic latch 19 to unlock. At this time, the pressure-locking indicator light on the main control box 9 goes out. After the blind plate body 6 is removed, the Hall proximity switch 22 is separated, and the main control box 9 The door unlocking indicator light is on. After the filter element is replaced, the blind plate body 6 is closed in place, the Hall proximity switch 22 receives the signal and inputs it to the main control box 9, which outputs a signal to the control box 16, so that the electromagnetic latch 19 is locked. At this time, the door closing and locking indicator light is on. After opening the manual stop valve of the filter 27, the pressure rises, and the pressure sensor 24 outputs a pressure signal to the main control box 9. The pressure locking indicator light is on, so that the pressure can be increased only when the predetermined closing position is reached. The door can be opened only when the internal pressure is completely released, so as to eliminate the safety hazards existing in the use process and achieve interlocking when operating the quick-open blind plate to replace the filter element, further ensuring the safe use of the operation and ensuring the purpose of personal safety. Example

[0029] This embodiment is different from the first embodiment. A threaded rod 5 is provided to facilitate loosening of the blind plate body 6. Figure 1 , Figure 3 and Figure 5 As shown, the connection plate 3 and the filter 27 are connected by welding, a connection block 4 is fixed on one side of the connection plate 3, and a threaded rod 5 is rotatably connected on one side of the connection block 4, a threaded groove 15 is provided on one side inside the blind plate body 6, and the threaded groove 15 is threadedly connected to the threaded rod 5, a hand wheel 12 is provided on the outside of the threaded rod 5, and a detachable connection structure is formed between the hand wheel 12 and the threaded rod 5, a rotating groove 26 is provided inside the connection block 4, a rotating block 25 is fixed on one side of the threaded rod 5 close to the connection block 4, and the rotating block 25 is connected to the rotating groove 26, the width of the rotating block 25 matches the width of the rotating groove 26, and the cross-sections of the rotating block 25 and the rotating groove 26 are both convex, a sealing cover 20 is connected between the blind plate body 6 and the mounting frame 8, and the threaded rod 5 passes through the interior of the sealing cover 20.

[0030] In this embodiment, when in use, the threaded rod 5 and the hand wheel 12 are connected in a detachable structure. When the blind plate body 6 is opened, the hand wheel 12 is engaged with the threaded rod 5, and the hand wheel 12 is turned to drive the threaded rod 5 to rotate. The threaded rod 5 can loosen the blind plate body 6 through the threaded connection with the blind plate body 6, thereby assisting the opening of the blind plate body 6, and under the action of the sealing cover 20, it can seal and shield the threaded connection of the threaded rod 5.

[0031] 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 quick-open blind plate electronic interlocking device, comprising a blind plate body (6) and a filter (27), wherein the blind plate body (6) is connected to one side of the filter (27); Features: A connecting plate (3) is provided inside the filter (27), a first locking plate (1) is fixed to one side of the filter (27), and a locking block (2) is fixed to one side of the first locking plate (1), and a plug hole (28) is provided inside the locking block (2); The top end of the blind plate body (6) is connected to a second locking plate (17), and one end of the second locking plate (17) is connected to a control box (16); an electromagnetic latch (19) is arranged on one side of the control box (16); a locking groove (18) is provided inside the second locking plate (17), and the locking groove (18) is connected to the locking block (2); the electromagnetic latch (19) penetrates the inside of the locking groove (18) and is connected to the jack (28); a mounting frame (8) is fixed to one side of the blind plate body (6), and a main control box (9) is fixed to one side of the mounting frame (8); a single-chip microcomputer (10) is arranged inside the main control box (9); An indicator light group (11) is evenly arranged on one side of the main control box (9); an air vent pipe (13) is connected to the interior of the mounting frame (8); a control valve (14) is arranged on the outside of the air vent pipe (13); one end of the air vent pipe (13) is connected to the interior of the blind plate body (6); a pressure sensor (24) is arranged inside the blind plate body (6); a fixing bracket (21) is connected to the bottom end of the second locking plate (17); a Hall proximity switch (22) is arranged at the bottom end of the fixing bracket (21); a mounting groove (23) is provided at the top end of the blind plate body (6); and the fixing bracket (21) is connected to the mounting groove (23).

2. The electronic interlocking device for quick-open blind plate according to claim 1, characterized in that: The connection plate (3) and the filter (27) are connected by welding, a connection block (4) is fixed to one side of the connection plate (3), and a threaded rod (5) is rotatably connected to one side of the connection block (4), and a threaded groove (15) is formed on one side of the interior of the blind plate body (6), and the threaded groove (15) is threadedly connected to the threaded rod (5).

3. The electronic interlocking device for quick-open blind plate according to claim 2, characterized in that: A hand wheel (12) is provided on the outer side of the threaded rod (5), and a detachable connection structure is formed between the hand wheel (12) and the threaded rod (5).

4. The electronic interlocking device for quick-open blind plate according to claim 2, characterized in that: A rotation groove (26) is provided inside the connection block (4), a rotation block (25) is fixed to a side of the threaded rod (5) close to the connection block (4), and the rotation block (25) is connected to the rotation groove (26).

5. The electronic interlocking device for quick-open blind plate according to claim 4, characterized in that: The width of the rotating block (25) matches the width of the rotating groove (26), and the cross-sections of the rotating block (25) and the rotating groove (26) are both convex.

6. The electronic interlocking device for quick-open blind plate according to claim 1, characterized in that: Handles (7) are fixed at both ends of one side of the blind plate body (6), and anti-slip patterns are provided on the outer sides of the handles (7).

7. The electronic interlocking device for quick-open blind plate according to claim 2, characterized in that: A sealing cover (20) is connected between the blind plate body (6) and the mounting frame (8), and the threaded rod (5) passes through the interior of the sealing cover (20).

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