Municipal fire safety alarm terminal

Abstract

The utility model discloses a municipal fire safety alarm terminal, which comprises a mounting plate and an outer shell, the inner bottom surface of the outer shell is slotted and fixedly connected with an inner cover body, a detection assembly is arranged in the outer shell, the top of the mounting plate is provided with a mounting assembly, and the detection assembly comprises a servo motor highly mounted on the inner top surface of the outer shell. The output end of the servo motor is fixedly connected with a reciprocating screw rod, the bottom end of the reciprocating screw rod is fixedly connected with fan blades, two connecting plates are further vertically installed in the outer shell in a sliding mode, lower scraping plates are fixedly installed at the two ends of each connecting plate, one side of each lower scraping plate is fixedly connected with an inclined rod, and one end of each inclined rod is fixedly connected with an upper scraping plate. The fan blades continuously rotate for extraction, residues of smoke in the outer shell are reduced, the situation of continuous alarm caused by smoke staying is avoided, the lower scraper blade scrapes and cleans the air inlet filter screen, the upper scraper blade scrapes and cleans the air outlet filter screen, and blockage of particulate matter to the air inlet filter screen and the air outlet filter screen is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire alarm technical field, concretely is a kind of municipal fire safety alarm terminal. BACKGROUND

[0002] Fire alarm terminal is a kind of equipment for fire early warning and alarm, it is composed of sensor, processor, communicator etc., can send alarm signal in time when fire occurs, and notify fire department to carry out corresponding disposal work.

[0003] The utility model discloses a kind of wisdom fire alarm terminal with publication number CN219716188U, including mounting plate and terminal main body, terminal main body is composed of main shell and cover plate, main shell and cover plate form a cavity between the sensor element is received, the top of main shell both sides is provided with the sliding slot matched with side plate, sliding slot is provided with sink in, the top of main shell is provided with spring post in middle part, battery assembly, sensor assembly, processor, buzzer and fan assembly are installed in the inside of main shell, the terminal main body is fixed to mounting plate by snap-fit connection mode, the whole installation and dismounting process is simple and easy to operate;Fan assembly installed in boss can make air flow in the cavity between main shell and cover plate, reduce the situation that sensor is not monitored current state due to air not circulation, improve the monitoring accuracy and timeliness of device, reduce the difficulty of fire rescue.

[0004] But the patent still has the following problems in actual use process: after external flue gas enters alarm terminal, alarm will trigger alarm, if flue gas is not discharged in time, residual in alarm terminal interior, can cause continuous alarm, reduce detection sensitivity, and because of large amount of smoke and small particulate matters contained in fire flue gas, possibly block the filter screen of fire alarm, and then can affect the normal work of its internal sensor.

[0005] Therefore, a kind of municipal fire safety alarm terminal is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of municipal fire safety alarm terminal to solve the problem that large amount of smoke and small particulate matters contained in fire flue gas, possibly block the filter screen of fire alarm, and then can affect the normal work of its internal sensor.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of municipal fire safety alarm terminal, including mounting plate and shell body, the outside of mounting plate is fixedly connected with fixed lug;

[0008] Further comprising:

[0009] The inner bottom surface of the outer shell is fixedly connected with an inner cover body, the inner part of the outer shell is provided with a detection assembly, and the top of the mounting plate is provided with a mounting assembly.

[0010] The detection assembly comprises a servo motor mounted on the inner top surface of the outer shell, the output end of the servo motor is fixedly connected with a reciprocating screw rod, the bottom end of the reciprocating screw rod is fixedly connected with a fan blade, the outer sides of the inner cover body are symmetrically fixedly installed with air inlet filter screens, and the two sides of the outer shell are symmetrically fixedly installed with air outlet filter screens.

[0011] The inner part of the outer shell is also vertically slidably installed with two connecting plates, the two ends of the connecting plate are fixedly installed with lower scrapers, the lower scrapers are in close contact with the air inlet filter screens, one side of the lower scraper is fixedly connected with an inclined rod, one end of the inclined rod is fixedly connected with an upper scraper, and the upper scraper is in close contact with the air outlet filter screen.

[0012] Preferably, the fan blade is rotatably connected with the inner cover body, the fan blade is located on the inner side of the inner cover body, the outer side of the reciprocating screw rod is threadedly connected with an adjusting disc, and the two connecting plates are fixedly connected with the adjusting disc.

[0013] Preferably, the top of the inner cover body is fixedly connected with two limiting rods, the two connecting plates are slidably connected with the two limiting rods respectively, a vertical bar is fixedly connected between the connecting plate and the lower scraper, and the inclined rod is not less than two.

[0014] Preferably, the inner top surface of the outer shell is also fixedly installed with a spring telescopic rod, the telescopic part of the spring telescopic rod is fixedly connected with the upper scraper, one side of the lower scraper and the upper scraper is provided with a side groove, and a sticky roller is rotatably connected in the side groove.

[0015] Preferably, the inner top surface of the outer shell is also fixedly installed with a detection sensor and a battery pack, the bottom of the outer shell is symmetrically fixedly installed with a buzzer, and the top of the outer shell is fixedly installed with a warning light in the middle.

[0016] Preferably, the top of the outer shell is symmetrically fixedly connected with a vertical plate, the vertical plate is slidably connected with the mounting plate, the mounting assembly comprises a top block fixedly connected in the middle of the top of the mounting plate, L-shaped grooves are symmetrically formed in the inner part of the top block, a clamping plate is slidably connected in the L-shaped groove, compression springs are fixedly connected between the clamping plate and the inner wall of the L-shaped groove, and the compression springs are not less than two.

[0017] Preferably, the top of the clamping plate is fixedly connected with a push plate, the push plate is slidably connected with the L-shaped groove, a clamping groove is vertically and uniformly formed in one side of the vertical plate close to the top block, and the push plate is clampedly connected with the clamping groove.

[0018] Compared with the prior art, the fan leaf extracts external air, the air enters the inside of the shell body through the air inlet filter screen and is discharged from the air outlet filter screen, and the fan leaf continuously rotates and extracts, thereby reducing the residue of smoke in the shell body, avoiding the situation that continuous alarm is caused by smoke staying, the lower scraper scrapes and cleans the air inlet filter screen, the upper scraper scrapes and cleans the air outlet filter screen, and the blockage of particulate matter to the air inlet filter screen and the air outlet filter screen is reduced.

[0019] When the device works, the servo motor drives the reciprocating screw rod and the fan leaf to slowly rotate, the fan leaf extracts external air, the air enters the inside of the shell body through the air inlet filter screen and is discharged from the air outlet filter screen, when fire smoke appears, the fire smoke contacts the detection sensor, the detection sensor drives the buzzer to alarm and the warning light to light, and the fan leaf continuously rotates and extracts, thereby reducing the residue of smoke in the shell body, avoiding the situation that continuous alarm is caused by smoke staying, the limiting rod limits the connecting plate and the adjusting disc, the reciprocating screw rod also drives the adjusting disc and the connecting plate to move up and down, the connecting plate drives the vertical strip and the lower scraper to lift, the lower scraper drives the upper scraper to lift through the inclined rod, the lower scraper scrapes and cleans the air inlet filter screen, the upper scraper scrapes and cleans the air outlet filter screen, the blockage of particulate matter to the air inlet filter screen and the air outlet filter screen is reduced, the normal operation of the device is maintained, and when the inclined rod and the upper scraper lift, the inside sticky roller rolls, the sticky roller adheres and cleans the fiber impurities outside the air inlet filter screen and the air outlet filter screen, the cleaning effect is improved, the problem that a large amount of smoke dust and small particulate matter in fire smoke may block the filter screen of the fire alarm and then affect the normal work of the internal sensor is solved.

[0020] By setting the mounting assembly, the operator presses the two toggle plates, the toggle plate drives the clamping plate to move, the clamping plate compresses the compression spring, so that the clamping plate retreats into the L-shaped groove, at this time the operator inserts the vertical plate into the mounting plate, keeps the clamping groove flush with the clamping plate, and then releases the toggle plate, the elastic force of the compression spring drives the clamping plate and the toggle plate to move, so that the clamping plate is clamped into the clamping groove, facilitating the installation and fixation of the vertical plate and the shell body, the uniformly arranged clamping grooves facilitate the adjustment of the installation height of the vertical plate and the shell body, improve the convenience of device installation and disassembly, facilitate disassembly, maintenance or cleaning of the device after a period of use, and improve the flexibility of device use. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional overall structure schematic view of the utility model;

[0022] Figure 2 It is a shell body cross-sectional structure schematic view of the utility model;

[0023] Figure 3 It is a three-dimensional overall structure schematic view of the utility model; Figure 2An enlarged structural schematic view at middle A;

[0024] Figure 4 A fan blade structural schematic view of the utility model;

[0025] Figure 5 A lower scraper structural schematic view of the utility model;

[0026] Figure 6 A utility model Figure 5 An enlarged structural schematic view at middle B;

[0027] Figure 7 A mounting plate sectional structural schematic view of the utility model;

[0028] Figure 8 A utility model Figure 7 An enlarged structural schematic view at middle C.

[0029] In the figure: 1, mounting plate; 2, outer shell; 3, fixed lug; 4, vertical plate; 5, inner cover; 6, detection assembly; 61, servo motor; 62, reciprocating screw rod; 63, fan blade; 64, air inlet filter screen; 65, exhaust filter screen; 66, adjusting disc; 67, connecting plate; 68, limiting rod; 69, vertical bar; 610, lower scraper; 611, inclined rod; 612, upper scraper; 613, side groove; 614, sticky roller; 615, spring telescopic rod; 7, mounting assembly; 71, top block; 72, L-shaped slot; 73, clamping plate; 74, compression spring; 75, actuating plate; 76, clamping groove; 8, detection sensor; 9, battery pack; 10, buzzer; 11, warning light. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to Figure 1 - Figure 8 The utility model provides technical scheme: a kind of municipal fire safety alarm terminal, including mounting plate 1 and outer shell 2, the outer side of mounting plate 1 is fixedly connected with fixed lug 3.

[0032] The inner bottom surface of outer shell 2 is fixedly connected with inner cover 5, and the inside of outer shell 2 is provided with detection assembly 6.

[0033] The detection assembly 6 comprises a servo motor 61 mounted on the top surface of the outer shell 2, the output end of the servo motor 61 is fixedly connected with a reciprocating screw rod 62, the bottom end of the reciprocating screw rod 62 is fixedly connected with a fan blade 63, the outer sides of the inner cover 5 are symmetrically fixedly installed with air inlet screens 64, and the two sides of the outer shell 2 are symmetrically fixedly installed with air outlet screens 65.

[0034] The inner top surface of the outer shell 2 is also fixedly installed with a detection sensor 8 and a battery pack 9, the bottom of the outer shell 2 is symmetrically fixedly installed with a buzzer 10, and the top of the outer shell 2 is fixedly installed with a warning light 11.

[0035] The servo motor 61 drives the reciprocating screw rod 62 and the fan blade 63 to slowly rotate, the fan blade 63 extracts external air, the air enters the inside of the outer shell 2 through the air inlet screens 64 and is discharged from the air outlet screens 65, when fire smoke appears, the smoke contacts the detection sensor 8, the detection sensor 8 drives the buzzer 10 to alarm and the warning light 11 to light up.

[0036] The inside of the outer shell 2 is also vertically slidably installed with two connecting plates 67, the two ends of the connecting plate 67 are fixedly installed with lower scraping plates 610, the lower scraping plate 610 is attached to the air inlet screen 64, one side of the lower scraping plate 610 is fixedly connected with an inclined rod 611, one end of the inclined rod 611 is fixedly connected with an upper scraping plate 612, and the upper scraping plate 612 is attached to the air outlet screen 65.

[0037] The fan blade 63 is rotationally connected with the inner cover 5, the fan blade 63 is located on the inner side of the inner cover 5, the outer side of the reciprocating screw rod 62 is threadedly connected with an adjusting disc 66, and the two connecting plates 67 are fixedly connected with the adjusting disc 66.

[0038] The top of the inner cover 5 is fixedly connected with two limiting rods 68, the two connecting plates 67 are slidably connected with the two limiting rods 68 respectively, the connecting plate 67 is fixedly connected with a vertical strip 69 between the lower scraping plate 610, and the inclined rod 611 is not less than two.

[0039] The fan blade 63 continuously rotates to extract, so that the residual of the smoke in the outer shell 2 is reduced, and the situation that the smoke stays to cause continuous alarm is avoided, the limiting rods 68 limit the connecting plates 67 and the adjusting disc 66, the reciprocating screw rod 62 rotates to drive the adjusting disc 66 and the connecting plates 67 to move up and down, the connecting plate 67 drives the vertical strip 69 and the lower scraping plate 610 to ascend and descend, the lower scraping plate 610 drives the upper scraping plate 612 to ascend and descend through the inclined rod 611, so that the lower scraping plate 610 scrapes and cleans the air inlet screen 64, the upper scraping plate 612 scrapes and cleans the air outlet screen 65, the blockage of particulate matters to the air inlet screen 64 and the air outlet screen 65 is reduced, and the normal operation of the device is maintained.

[0040] The inner top surface of the outer shell 2 is also fixedly provided with a spring telescopic rod 615, the telescopic part of the spring telescopic rod 615 is fixedly connected with the upper scraper 612, and the extension or contraction of the spring telescopic rod 615 can assist the stable descent or ascent of the upper scraper 612, reduce the relative movement of the upper scraper 612, maintain the scraping effect of the upper scraper 612, and the side groove 613 is formed in one side of the lower scraper 610 and the upper scraper 612, and the sticky hair roller 614 is rotatably connected in the side groove 613.

[0041] When the inclined rod 611 and the upper scraper 612 move up and down, the inner sticky hair roller 614 is rolled, the sticky hair roller 614 adheres and cleans the fiber impurities outside the air inlet filter screen 64 and the air outlet filter screen 65, and the cleaning effect is improved.

[0042] The top of the mounting plate 1 is provided with a mounting assembly 7, the top of the outer shell 2 is symmetrically fixedly connected with a vertical plate 4, the vertical plate 4 is slidably connected with the mounting plate 1, the mounting assembly 7 comprises a top block 71 fixedly connected to the top of the mounting plate 1, L-shaped grooves 72 are symmetrically formed in the inside of the top block 71, clamping plates 73 are slidably connected in the L-shaped grooves 72, compression springs 74 are fixedly connected between the clamping plates 73 and the inner walls of the L-shaped grooves 72, and the number of the compression springs 74 is not less than two.

[0043] The operator presses the two toggle plates 75, the toggle plates 75 drive the clamping plates 73 to move, the clamping plates 73 compress the compression springs 74, the clamping plates 73 retreat into the L-shaped grooves 72, at this time, the operator inserts the vertical plate 4 into the mounting plate 1, keeps the clamping grooves 76 flush with the clamping plates 73, releases the toggle plates 75, the elastic force of the compression springs 74 drives the clamping plates 73 and the toggle plates 75 to move, the clamping plates 73 are clamped into the clamping grooves 76, the installation and fixation of the vertical plate 4 and the outer shell 2 are facilitated, the installation height of the vertical plate 4 and the outer shell 2 is adjusted, the convenience of device installation and disassembly is improved, the device is disassembled, repaired or cleaned after being used for a period of time, and the flexibility of device use is improved.

[0044] The top of the clamping plate 73 is fixedly connected with the toggle plate 75, the toggle plate 75 is slidably connected with the L-shaped groove 72, the side of the vertical plate 4 close to the top block 71 is vertically and uniformly provided with the clamping groove 76, and the toggle plate 75 is clamped and connected with the clamping groove 76.

[0045] Working principle:

[0046] Before using the municipal fire safety alarm terminal, the overall condition of the device needs to be checked to determine whether it can work normally, according to the actual situation, the device is installed on the ground or the wall, and the device is connected with the power supply and the alarm system. Figure 1 - Figure 8As shown, the operator presses the two toggle plates 75, so that the clamping plate 73 retreats into the L-shaped slot 72, then inserts the vertical plate 4 into the mounting plate 1, keeps the clamping slot 76 flush with the clamping plate 73, and then releases the toggle plate 75, so that the clamping plate 73 is clamped into the clamping slot 76, facilitating the installation and fixation of the vertical plate 4 and the outer shell 2. The servo motor 61 drives the reciprocating screw rod 62 and the fan blade 63 to rotate slowly, the fan blade 63 extracts external air, the air enters the inside of the outer shell 2 through the air inlet filter screen 64 and is discharged from the air outlet filter screen 65. When the fire smoke appears, the smoke will contact the detection sensor 8, the detection sensor 8 drives the buzzer 10 to alarm and the warning light 11 to light, and the fan blade 63 continues to rotate and extract, reducing the residue of the smoke in the outer shell 2, avoiding the situation that the smoke stays and causes continuous alarm. The reciprocating screw rod 62 also drives the adjusting disc 66 and the connecting plate 67 to move up and down, the lower scraper plate 610 scrapes and cleans the air inlet filter screen 64, and the upper scraper plate 612 scrapes and cleans the air outlet filter screen 65, reducing the blockage of particulate matter to the air inlet filter screen 64 and the air outlet filter screen 65, keeping the device running normally, and when the inclined rod 611 and the upper scraper plate 612 move up and down, the inner side of the sticky roller 614 will roll, the sticky roller 614 adheres and cleans the fiber impurities outside the air inlet filter screen 64 and the air outlet filter screen 65, and the cleaning effect is improved.

[0047] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A municipal fire safety alarm terminal, comprising a mounting plate (1) and a housing (2), wherein a fixing ear (3) is fixedly connected to the outer side of the mounting plate (1); Its features are, Also includes: The inner bottom surface of the outer shell (2) is slotted and fixedly connected to the inner cover (5), the inner shell (2) is provided with a detection component (6), and the top of the mounting plate (1) is provided with a mounting component (7). The detection component (6) includes a servo motor (61) mounted on the top surface of the inner shell (2). The output end of the servo motor (61) is fixedly connected to a reciprocating lead screw (62). The bottom end of the reciprocating lead screw (62) is fixedly connected to a fan blade (63). An air intake filter (64) is symmetrically fixedly installed on both sides of the outer shell (5). An exhaust filter (65) is symmetrically fixedly installed on both sides of the outer shell (2). Inside the outer shell (2), two connecting plates (67) are vertically slidably installed. Both ends of the connecting plates (67) are fixedly installed with lower scrapers (610). The lower scrapers (610) are in contact with the air intake filter (64). A diagonal rod (611) is fixedly connected to one side of the lower scraper (610). An upper scraper (612) is fixedly connected to one end of the diagonal rod (611). The upper scraper (612) is in contact with the exhaust filter (65).

2. A municipal fire safety alarm terminal according to claim 1, characterized in that: The fan blade (63) is rotatably connected to the inner cover (5). The fan blade (63) is located inside the inner cover (5). The outer side of the reciprocating screw (62) is threaded with an adjusting plate (66). Both connecting plates (67) are fixedly connected to the adjusting plate (66).

3. A municipal fire safety alarm terminal according to claim 2, characterized in that: The top of the inner cover (5) is fixedly connected to two limiting rods (68), and the two connecting plates (67) are slidably connected to the two limiting rods (68) respectively. A vertical strip (69) is fixedly connected between the connecting plate (67) and the lower scraper (610), and there are no fewer than two diagonal rods (611).

4. A municipal fire safety alarm terminal according to claim 3, characterized in that: A spring telescopic rod (615) is also fixedly installed on the inner top surface of the outer shell (2). The bottom end of the telescopic part of the spring telescopic rod (615) is fixedly connected to the upper scraper (612). A side groove (613) is opened on one side of both the lower scraper (610) and the upper scraper (612). A lint roller (614) is rotatably connected inside the side groove (613).

5. A municipal fire safety alarm terminal according to claim 1, characterized in that: The inner top surface of the outer shell (2) is also fixedly installed with a detection sensor (8) and a battery pack (9), a buzzer (10) is symmetrically fixedly installed at the bottom of the outer shell (2), and a warning light (11) is fixedly installed at the top center of the outer shell (2).

6. A municipal fire safety alarm terminal according to claim 1, characterized in that: The top of the outer shell (2) is symmetrically fixedly connected with a vertical plate (4), the vertical plate (4) is slidably connected to the mounting plate (1), the mounting assembly (7) includes a top block (71) fixedly connected to the middle of the top of the mounting plate (1), the top block (71) has L-shaped grooves (72) symmetrically opened on both sides inside, the inside of the L-shaped groove (72) is laterally slidably connected with a clamping plate (73), and a compression spring (74) is fixedly connected between the clamping plate (73) and the inner wall of the L-shaped groove (72), and there are no less than two compression springs (74).

7. A municipal fire safety alarm terminal according to claim 6, characterized in that: The top of the clamping plate (73) is fixedly connected to a toggle plate (75), the toggle plate (75) is slidably connected to the L-shaped groove (72), and the vertical plate (4) is vertically and evenly provided with a snap-fit ​​groove (76) on the side near the top block (71), and the toggle plate (75) is snapped into the snap-fit ​​groove (76).

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