Raw material filtering device for condensed aerosol fire extinguisher
By designing a concealed cleaning structure in the thermal aerosol fire extinguisher, combined with a vibration motor and a servo motor, the problem of filter clogging is solved, achieving an effective filtration effect and ensuring the normal operation of the thermal aerosol fire extinguisher.
Patent Information
- Application Number
- CN202422839399.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Existing filters cannot effectively remove blockages in thermal aerosol fire extinguishers, affecting their filtration efficiency.
A concealed cleaning structure was designed, which combines a vibration motor and a servo motor, and uses components such as a bending seat, longitudinal slide bar, spring, cleaning fins and brushes to effectively clean the filter mesh.
Effectively removes blockages from the filter mesh, ensuring the filtration effect of the thermal aerosol fire extinguisher raw materials, avoiding clogging, and improving the practicality of the device.
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Figure CN223642263U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a hot gas aerosol fire extinguisher raw material filtering device and belongs to the technical field of fire extinguisher raw material filtering equipment. BACKGROUND
[0002] The gas fire extinguishing system is one of the traditional four fixed fire extinguishing systems (water, gas, foam and dry powder), which is composed of a gas fire extinguishing device (or assembly) and an alarm control system. The hot gas aerosol automatic fire extinguishing device can be divided into hot gas aerosol and cold gas aerosol according to the way of generating gas aerosol. The gas aerosol fire extinguishing device applied in domestic engineering belongs to the hot type. The gas aerosol is a stable state system formed by dispersing small solid or liquid particles in gas. The raw material is crushed and needs to be filtered by a filter screen.
[0003] The existing filter screen often only uses a vibration motor to prevent clogging, but only the vibration motor can only vibrate the accumulated raw material, and cannot effectively remove the clogged raw material in the filter screen hole, thereby affecting the subsequent filtering use. Therefore, there is an urgent need for a hot gas aerosol fire extinguisher raw material filtering device to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiencies of the prior art, the utility model aims to provide a hot gas aerosol fire extinguisher raw material filtering device to solve the problems in the background art. The utility model designs a hidden cleaning structure, which can effectively remove the clogged raw material in the filter screen hole, and can vibrate the accumulated raw material by cooperating with the vibration motor, thereby ensuring the subsequent filtering effect of the hot gas aerosol fire extinguisher raw material.
[0005] In order to achieve the above purpose, the utility model is implemented by the following technical scheme: a hot gas aerosol fire extinguisher raw material filtering device, comprising an upper spliced tank body, a lower spliced tank body, a filter screen and a servo motor, the upper spliced tank body is symmetrically fixed with a bent seat on the left and right sides inside by bolts, a longitudinal sliding rod is fixed longitudinally on the front and rear sides of the upper end of the two bent seats, a first spring is sleeved on the outer lower end of the plurality of longitudinal sliding rods, the filter screen is horizontally located inside the upper spliced tank body and is slidably sleeved on the outer middle of the plurality of longitudinal sliding rods, a second spring is longitudinally sleeved on the outer upper end of the plurality of longitudinal sliding rods, a conical flow guide hopper is fixed longitudinally on the upper end of the filter screen, a vibration motor is installed on the left end of the conical flow guide hopper, a sealing bearing is installed on the lower end of the filter screen, a protective cover is fixed longitudinally on the lower end of the filter screen, the servo motor is installed in the protective cover, an extended shaft is installed on the shaft end of the servo motor, the extended shaft penetrates through the sealing bearing and the filter screen, cleaning fins are installed on the left and right sides of the upper end of the extended shaft, and cleaning brushes are installed on the lower end of the two cleaning fins.
[0006] Further, the upper spliced tank body upper end is provided with an inlet in the middle, and the upper spliced tank body lower end is spliced and fixed with the lower spliced tank body through bolts.
[0007] Further, the lower spliced tank body lower end is provided with an outlet in the middle, and the lower spliced tank body lower end is provided with supporting legs around the periphery.
[0008] Further, the filter screen lower end is provided with a plurality of first springs on the left and right sides, and the filter screen upper end is provided with a plurality of second springs on the left and right sides.
[0009] Further, the conical flow guide upper end edge is in sliding contact with the upper spliced tank body inner wall.
[0010] Further, the two cleaning brushes lower ends are in contact with the filter screen.
[0011] The hot gas aerosol fire extinguisher raw material filtering device has the advantages that the bending seat, the longitudinal sliding rod, the first spring, the second spring, the filter screen, the conical flow guide, the vibration motor, the protective cover, the servo motor, the lengthened shaft, the sealing bearing, the cleaning fin plate and the cleaning brush are added, the device structure is reasonable, the practicality is good, a hidden cleaning structure is designed, the clogging raw material in the filter screen hole can be effectively removed, the vibration motor vibration is used in cooperation, the accumulated raw material can be scattered, and the subsequent filtering effect of the hot gas aerosol fire extinguisher raw material is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0012] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:
[0013] Fig. 1 It is a whole structure perspective view of the hot gas aerosol fire extinguisher raw material filtering device.
[0014] Fig. 2 It is a sectional view of the hot gas aerosol fire extinguisher raw material filtering device.
[0015] Fig. 3 It is a lengthened shaft three-dimensional connection schematic view of the hot gas aerosol fire extinguisher raw material filtering device.
[0016] In the drawing: 1-upper spliced tank body, 2-bending seat, 3-longitudinal sliding rod, 4-first spring, 5-second spring, 6-filter screen, 7-conical flow guide, 8-vibration motor, 9-protective cover, 10-servo motor, 11-lengthened shaft, 12-sealing bearing, 13-cleaning fin plate, 14-cleaning brush, 15-lower spliced tank body. DETAILED DESCRIPTION
[0017] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0018] Please refer to Figs. 1-3 The utility model provides a technical scheme: a hot gas aerosol fire extinguisher raw material filtering device, including upper spliced tank body 1, lower spliced tank body 15, filter screen 6 and servo motor 10, the inside left and right sides of upper spliced tank body 1 are fixed with the symmetrical bending seat 2 through bolt, the upper end of two bending seats 2 is longitudinally fixed with longitudinal slide rod 3 on the front and back sides, the outside lower end of multiple longitudinal slide rods 3 is all covered with first spring 4, filter screen 6 is horizontally located in the inside of upper spliced tank body 1, and is slidably covered in the middle of the outside of multiple longitudinal slide rods 3, the outside upper end of multiple longitudinal slide rods 3 is all longitudinally covered with second spring 5, the upper end of filter screen 6 is longitudinally fixed with conical flow guide 7, conical flow guide 7 left end is equipped with vibration motor 8, filter screen 6 lower end middle is equipped with sealing bearing 12, the lower end of filter screen 6 is longitudinally fixed with protective cover 9, servo motor 10 is installed in protective cover 9, the shaft end of servo motor 10 is equipped with lengthened shaft 11, lengthened shaft 11 passes through sealing bearing 12 and filter screen 6, lengthened shaft 11 upper end left and right sides are all equipped with cleaning fin plate 13, two cleaning fin plates 13 lower end are all equipped with cleaning brush 14, this design solves the problem that the original device only uses vibration motor to prevent its blockage, but only vibration motor can only spread the accumulated raw materials, and cannot effectively remove the blocked raw materials in the filter screen holes.
[0019] As the first embodiment of the utility model: the upper end of upper spliced tank body 1 is provided with feed inlet, the lower end of upper spliced tank body 1 is fixed with lower spliced tank body 15 through bolt splicing, the lower end of upper spliced tank body 1 is fixed with lower spliced tank body 15 through bolt splicing, which is convenient for subsequent disassembly, and the inside of upper spliced tank body 1 leaks out. The lower end of lower spliced tank body 15 is provided with discharge port in the middle, the lower end of lower spliced tank body 15 is longitudinally installed with supporting leg all around, the lower end of filter screen 6 is abutted with multiple first springs 4, the upper end of filter screen 6 is abutted with multiple second springs 5, through the addition of multiple first springs 4 and multiple second springs 5, filter screen 6 is conveniently slidably arranged outside multiple longitudinal slide rods 3.
[0020] The upper end edge of conical flow guide 7 is slidably attached to the inner wall of upper spliced tank body 1, through the addition of conical flow guide 7, it can be guaranteed that the hot gas aerosol fire extinguisher raw materials entering the inside of upper spliced tank body 1 fall on the upper surface of filter screen 6 for filtering treatment. The lower end of two cleaning brushes 14 is abutted with filter screen 6, through the rotation of the added two cleaning brushes 14, the hot gas aerosol fire extinguisher raw materials blocked in the holes of filter screen 6 can be swept out, and the accumulated hot gas aerosol fire extinguisher raw materials can also be swept out.
[0021] As a second embodiment of the utility model: first hot gas aerosol fire extinguisher raw materials are added to the upper splicing tank body 1 through the feed inlet, the hot gas aerosol fire extinguisher raw materials will fall to the upper end of the filter screen 6 for filtering, when the filtering effect is reduced, start the vibration motor 8, the vibration motor 8 will transmit vibration force to the filter screen 6 through the protective cover 9, due to the setting of multiple longitudinal slide bars 3, multiple first springs 4 and multiple second springs 5, the filter screen 6 will only vibrate in the up-down direction, so as to facilitate the vibration of the accumulated hot gas aerosol fire extinguisher raw materials, after the vibration is completed, the vibration motor 8 is turned off, then the servo motor 10 is started, the servo motor 10 shaft end drives the elongated shaft 11 to rotate, and then the two cleaning fins 13 and the two cleaning brushes 14 are driven to rotate, the rotating two cleaning brushes 14 can sweep out the hot gas aerosol fire extinguisher raw materials blocked in the filter screen 6 hole, and the filter screen 6 hole is not easy to be blocked (note: the circuits and electronic components not involved in the utility model are prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve the improvement of software and method).
[0022] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0023] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.
Claims
1. A thermal aerosol fire extinguisher raw material filtration device, comprising an upper assembly tank (1), a lower assembly tank (15), a filter screen (6), and a servo motor (10), characterized in that: The upper splicing tank (1) has symmetrically fixed bending seats (2) on the left and right sides inside by bolts. The upper front and rear sides of the two bending seats (2) are longitudinally fixed with longitudinal slide rods (3). The lower ends of the multiple longitudinal slide rods (3) are all fitted with first springs (4). The filter screen (6) is horizontally located inside the upper splicing tank (1) and is slidably fitted in the middle of the multiple longitudinal slide rods (3). Multiple longitudinal slide bars (3) are each longitudinally fitted with a second spring (5) on their upper outer ends. A conical guide bucket (7) is longitudinally fixed on the upper end of the filter screen (6). A vibration motor (8) is installed on the left end of the conical guide bucket (7). A sealed bearing (12) is installed in the middle of the lower end of the filter screen (6). A protective cover (9) is longitudinally fixed on the lower end of the filter screen (6). A servo motor (10) is installed inside the protective cover (9). An extension shaft (11) is installed on the shaft end of the servo motor (10). The extension shaft (11) passes through the sealed bearing (12) and the filter screen (6). Cleaning fins (13) are installed on the left and right sides of the upper end of the extension shaft (11). Cleaning brushes (14) are installed on the lower ends of the two cleaning fins (13).
2. The thermal aerosol fire extinguisher raw material filtration device according to claim 1, characterized in that: The upper splicing tank (1) has a feed inlet in the middle of its upper end, and the lower end of the upper splicing tank (1) is fixed to the lower splicing tank (15) by bolts.
3. The thermal aerosol fire extinguisher raw material filtration device according to claim 1, characterized in that: The lower splicing tank (15) has a discharge port in the middle of its lower end, and the lower splicing tank (15) has longitudinal support legs installed around its lower perimeter.
4. The thermal aerosol fire extinguisher raw material filtration device according to claim 1, characterized in that: The lower left and right sides of the filter screen (6) abut against a plurality of first springs (4), and the upper left and right sides of the filter screen (6) abut against a plurality of second springs (5).
5. A thermal aerosol fire extinguisher raw material filtration device according to claim 1, characterized in that: The upper edge of the conical guide bucket (7) slides against the inner wall of the upper spliced tank (1).
6. A thermal aerosol fire extinguisher raw material filtration device according to claim 1, characterized in that: The lower ends of both cleaning brushes (14) abut against the filter screen (6).