Explosion-proof smoke detector
By introducing an inclined surface and a vibration device into the explosion-proof smoke detector, the dust inside the detection hole is removed by high-frequency vibration of a cleaning rod, thus solving the problem of dust clogging and achieving the effect of easy cleaning and anti-clogging.
Patent Information
- Application Number
- CN202423121394.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Explosion-proof smoke detectors are easily clogged by dust particles in explosive environments, and are difficult to clean, which affects the detection effect.
A probe hole structure with an inclined surface and a vibration device was designed. The motor drives the eccentric wheel to make the cleaning rod vibrate at high frequency, which removes the dust in the probe hole and prevents clogging.
This technology prevents dust from accumulating at the detection port, maintains the detector's effective operation, facilitates cleaning, and improves the reliability of the explosion-proof smoke detector.
Smart Images
Figure CN223743145U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of explosion -proof smoke detector, especially to an explosion -proof smoke detector. BACKGROUND
[0002] The main role of the explosion -proof smoke detector is to monitor the smoke concentration in the environment in real time, and trigger an alarm when the smoke concentration exceeds the preset threshold, to alert personnel to take timely measures to prevent fire or explosion accidents. Specifically, the explosion -proof smoke detector can work reliably in environments with potential explosion hazards, such as the oil, chemical, pharmaceutical and other industries. These industries often have a lot of flammable and explosive substances, and the consequences of a fire or explosion accident will be disastrous.
[0003] Because the explosion -proof smoke detector is in an explosion -hazardous environment for a long time, dust particles in the air will adhere to the detection holes of the explosion -proof smoke detector, thereby blocking the detection holes and affecting the detection effect of the explosion -proof smoke detector. The smoke detector is usually installed at a high position, and the staff may overlook the inspection, and it is not convenient for the staff to manually clean up. Therefore, the applicant has made a beneficial design and found a method to solve the above problems. The technical scheme to be introduced below is generated in this background. SUMMARY
[0004] The utility model discloses to overcome the deficiency of the prior art, and provide a kind of product of anti-blocking, it is convenient to clean.
[0005] To solve the above problems, the utility model adopts the following technical scheme.
[0006] An explosion -proof smoke detector, comprising a shell, a cover, and a detector housing fixed to the cover, the detector housing is uniformly distributed with a plurality of detection holes from bottom to top with a dot as the axis, the entrance of the detection hole is provided with an inclined surface, the detector housing is provided with a guide block, the guide block is provided with a first movable plate and a second movable plate in sequence, the first movable plate and the second movable plate abut each other, a spring is arranged between the first movable plate and the detector housing, cleaning rods are arranged on both sides of the detection hole and connected and fixed with the first movable plate and the second movable plate, and a vibration device is arranged on the top of the guide block and abuts against the second movable plate.
[0007] Preferably, one end of the cover is provided with a threaded hole, and the cover is provided with a wire inlet hole.
[0008] Preferably, the detector shell is provided with a tapered contraction part, the detector shell is provided with a cavity, the cavity is provided with a mounting hole corresponding to a threaded hole, the detection hole is arranged in the contraction part, the cavity is provided with a spring receiving counterbore, and the counterbore is provided with a cross groove.
[0009] Preferably, the guide block is arranged in a cross shape and is inserted into the cross groove, the side wall of the guide block is provided with a limiting part, and the limiting part is arranged below the first movable plate.
[0010] Preferably, the first movable plate and the second movable plate are provided with blind holes for accommodating the cleaning rods, one end of the blind hole is provided with a fastening screw and is threadedly connected to the cleaning rod, the first movable plate is provided with at least two pressure receiving columns and abuts against the second movable plate, so that the spacing between the upper and lower cleaning rods is consistent with the spacing between the upper and lower detection holes.
[0011] Preferably, the vibration device comprises a fixed plate, a motor and a timing module circuit board, the fixed plate is provided with recess cavities for accommodating the motor on both sides, the motor is fixed on both sides of the recess cavities through a clamp on the upper side of the motor, the rotating shaft of the motor is provided with an eccentric wheel and abuts against the second movable plate, and the motor is electrically connected with the output end of the timing module circuit board.
[0012] Preferably, the shell is provided with a threading pipe on both sides.
[0013] Beneficial effects:
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] In the utility model, the circuit board is used for setting a timing time, the motor runs the eccentric wheel to apply downward pressure to the second movable plate and the second movable plate when the timing time is reached, a vibration source is generated, the spring switches back and forth between energy storage and energy release, the cleaning rod moves up and down at a high frequency and vibrates, dust particles are affected by the vibration and leave the detection hole through the inclined surface, the inclined surface prevents the dust from entering the detector shell and accumulating, prevents the dust from accumulating at the detection hole, further prevents the dust particles from accumulating at the detection hole, and the above design overcomes the technical problems in the background art, so that the product has the advantages of anti-clogging and convenient cleaning. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the anti-explosion smoke detector.
[0017] Figure 2 It is a side cross-sectional structural schematic view of the anti-explosion smoke detector.
[0018] Figure 3 It is a structural schematic view of the anti-explosion smoke detector. Figure 2 It is an enlarged view of A in the utility model.
[0019] Figure 4 Figure is the explosion drawing of the explosion-proof smoke detector of the utility model;
[0020] Figure 5 Figure is the internal structure schematic diagram of the detector shell of the explosion-proof smoke detector of the utility model;
[0021] The corresponding relationship between the reference signs and the component names in the drawings is as follows:
[0022] Reference signs: 1, shell; 2, end cover; 3, detector shell; 4, guide block; 5, first movable plate; 6, second movable plate; 7, cleaning rod; 8, vibration device; 9, blind hole; 11, threading pipe; 21, threaded hole; 22, wire inlet hole; 31, detection hole; 32, contraction part; 33, cavity; 34, mounting hole; 35, counterbore; 36, cross slot; 311, inclined surface; 41, spring; 42, limiting part; 51, pressure bearing column; 81, fixed plate; 82, motor; 83, timing module circuit board; 84, clamp; 811, concave cavity; 821, eccentric wheel; 91, fastening screw. DETAILED DESCRIPTION
[0023] The technical solutions of the utility model will be described clearly and completely below in combination with the embodiments. 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 making creative efforts belong to the protection scope of the utility model.
[0024] In the description of the utility model, it should be understood that the directions or position relations indicated by the terms such as "upper", "lower", "left", "right" are the directions or position relations based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model.
[0025] In the embodiments of the utility model, "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that there are three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects have an "or" relationship.
[0026] Reference Example Figures 1 to 5The utility model provides an explosion -proof smoke detector, including the shell 1, and the end cap 2 of covering the shell 1 and the detector shell 3 of fixing on the end cap 2, the detector shell 3 is evenly distributed with a plurality of detection holes 31 from below to above with round dot as the axis, and the entrance of detection hole 31 is equipped with the inclined plane 311, and the detector shell 3 is equipped with the guide block 4, and the guide block 4 is equipped with the first movable plate 5, the second movable plate 6 in turn, and the first movable plate 5 and the second movable plate 6 are mutually abutted, and the first movable plate 5 and the detector shell 3 between are equipped with spring 41, and the both sides of detection hole 31 are equipped with the cleaning stick 7, and are connected and fixed with the first movable plate 5, the second movable plate 6, and the top of guide block 4 is equipped with the vibration device 8, and is abutted with the second movable plate 6, and the inclined plane 311 prevents dust from entering the detector shell 3 to produce the accumulation on one hand, and dust is prevented from piling up at detection hole 31, further prevent dust particles from piling up at detection hole 31 on the other hand;
[0027] Worth mentioning is that the end cap 2 is equipped with threaded hole 21, and the end cap 2 is equipped with the wire inlet hole 22, and threaded hole 21 is used with mounting hole 34, and the power line is electrically connected with the detector in the detection shell through the wire inlet hole 22;
[0028] Worth mentioning is that the detector shell 3 is equipped with the taper shrinkage part 32, and the detector shell 3 is equipped with the cavity 33, and the cavity 33 is equipped with the mounting hole 34 corresponding to threaded hole 21, and detection hole 31 is arranged in the shrinkage part 32, and the cavity 33 is equipped with the counterbore 35 containing spring 41, and the counterbore 35 is equipped with cross groove 36, and the shrinkage part 32 prevents dust particles from adhering to it, and the cavity 33 contains the detector, and the detector belongs to the prior art, and will not be described here too much, and the cross groove 36 prevents the guide block 4 from rotating due to vibration;
[0029] Worth mentioning is that the guide block 4 is arranged in the cross shape and is inserted in the cross groove 36, and the side wall of the guide block 4 is equipped with the limiting portion 42 and is arranged below the first movable plate 5, and the limiting portion 42 limits the distance of the first movable plate 5 descending, and prevents the spring 41 from being compressed too much;
[0030] Worth mentioning is that the first movable plate 5 and the second movable plate 6 are equipped with the blind hole 9 containing the cleaning stick 7, and the blind hole 9 is equipped with the fastening screw 91 at one end and is threadedly connected to the cleaning stick 7, and the first movable plate 5 is equipped with at least two pressure bearing columns 51 and abuts against the second movable plate 6, so that the spacing between the upper and lower cleaning sticks 7 is consistent with the spacing between the upper and lower detection holes 31, the fastening screw 91 connects the cleaning stick 7 with the first movable plate 5 and the second movable plate 6, and the pressure bearing column 51 also plays a role in conducting vibration source;
[0031] It is worth mentioning that the vibration device 8 includes a fixed plate 81, a motor 82, a timing module circuit board 83, the fixed plate 81 is provided with a recess 811 accommodating the motor 82 on both sides, the motor 82 is provided with a clamp 84 above and is fixed on both sides of the recess 811, the rotating shaft of the motor 82 is provided with an eccentric wheel 821 and abuts against the second movable plate 6, the motor 82 is electrically connected with the output end of the timing module circuit board 83, the clamp 84 fixes the motor 82, the timing module circuit board 83 is prior art and can be purchased in a related mall, therefore, here is not too much redundant;
[0032] It is worth mentioning that the shell 1 is provided with a wire pipe 11 on both sides, and the external power line enters the wire pipe 11 to provide power supply for the detector, and the shell 1 is a relatively sealed space, thereby playing an anti-explosion role.
[0033] The use principle of the utility model will be described as follows:
[0034] The timing module circuit board 83 is provided with a timing time, when the timing time is reached, the timing module circuit board 83 provides a conveying start instruction and power supply for the motor 82, the rotating shaft of the motor 82 rotates and drives the eccentric wheel 821 to rotate, and applies a downward pressure to the second movable plate 6 and the first movable plate 5, the spring 41 switches back and forth between energy storage and energy release, the cleaning rod 7 transmits the vibration source to the detection hole 31, and the dust particles are removed from the detection hole 31 through the inclined surface 311 under high-frequency vibration; at the same time, the cleaning rod 7 makes high-frequency up-down movement, and breaks the dust particles adhered together.
[0035] The above design scheme can realize the advantages of anti-clogging and convenient cleaning.
[0036] The above content is further described in detail in combination with the specific embodiment, and the specific embodiment of the utility model cannot be limited to these descriptions, and for ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection range determined by the claims of the utility model.
Claims
1. An explosion-proof smoke detector, comprising a housing (1), an end cap (2) covering the housing (1), and a detector housing (3) fixed to the end cap (2), wherein the detector housing (3) has a plurality of detection holes (31) evenly distributed from bottom to top with a dot as the axis, characterized in that: The entrance of the detection hole (31) is provided with an inclined surface (311), the detector shell (3) is provided with a guide block (4), the guide block (4) is sequentially provided with a first movable plate (5) and a second movable plate (6) which can be lifted, the first movable plate (5) and the second movable plate (6) abut against each other, a spring (41) is arranged between the first movable plate (5) and the detector shell (3), both sides of the detection hole (31) are provided with a cleaning rod (7) and are connected and fixed with the first movable plate (5) and the second movable plate (6), the top of the guide block (4) is provided with a vibration device (8) and abuts against the second movable plate (6).
2. The explosion-proof smoke detector of claim 1, wherein: One end of the end cover (2) is provided with a threaded hole (21), and the end cover (2) is provided with a wire inlet hole (22).
3. The explosion-proof smoke detector of claim 2, wherein: The detector shell (3) is provided with a tapered contraction part (32), the detector shell (3) is provided with a cavity (33), the cavity (33) is provided with a mounting hole (34) corresponding to the threaded hole (21), the detection hole (31) is arranged in the contraction part (32), the cavity (33) is provided with a counterbore (35) accommodating the spring (41), and the counterbore (35) is provided with a cross slot (36).
4. The explosion-proof smoke detector of claim 3, wherein: The guide block (4) is arranged in a cross shape and is inserted into the cross slot (36), the side wall of the guide block (4) is provided with a limiting portion (42) arranged below the first movable plate (5).
5. The explosion-proof smoke detector of claim 1, wherein: The first movable plate (5) and the second movable plate (6) are provided with a blind hole (9) accommodating the cleaning rod (7), one end of the blind hole (9) is provided with a fastening screw (91) and is threadedly connected to the cleaning rod (7), and the first movable plate (5) is provided with at least two pressure bearing columns (51) abutting against the second movable plate (6), so that the spacing between the upper and lower cleaning rods (7) is consistent with the spacing between the upper and lower detection holes (31).
6. The explosion-proof smoke detector of claim 5, wherein: The vibration device (8) comprises a fixed plate (81), a motor (82) and a timing module circuit board (83), both sides of the fixed plate (81) are provided with a recess cavity (811) accommodating the motor (82), the motor (82) is provided with an eccentric wheel (821) on the rotating shaft and abuts against the second movable plate (6), and the motor (82) is electrically connected with the output end of the timing module circuit board (83).
7. The explosion-proof smoke detector according to claim 4 or 6, characterized in that: Both sides of the shell (1) are provided with a wire pipe (11).