Hepa neglected loading prevention mechanism and dust collector with same
By combining conductive springs and electrostatic rings to monitor the installation status of HEPA filters, the problems of false alarms, missed alarms, and high complexity in existing technologies are solved, achieving reliable HEPA installation detection and cost reduction.
Patent Information
- Application Number
- CN202422654402.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing HEPA installation detection technology in vacuum cleaners has false alarms or omissions, and the mechanical locking mechanism increases the complexity and cost of the equipment, while the visual cues are not intuitive in low-light environments.
A combination of conductive springs and electrostatic rings is used to monitor whether the HEPA filter is installed correctly through a conductive circuit, and the control board and warning lights indicate incorrect installation.
It enables reliable detection of HEPA installation, reduces structural complexity and manufacturing costs, ensures proper vacuum cleaner operation, and promptly alerts users to incorrect installation.
Smart Images

Figure CN223817481U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of sea pa leakproof installation mechanism and the dust collector with the mechanism, belong to the technical field of clean household electrical products. BACKGROUND
[0002] Sea pa is the key component in dust collector, it can capture fine particulate matter in air when dust collector works, effectively reduce allergen and pollutant in indoor air. Therefore, ensure the correct installation and sealing of sea pa for the health of user and the performance of dust collector is crucial;In order to ensure the correct installation of sea pa, some high-end dust collector is built-in sensor, for detecting whether sea pa is correctly installed, if sensor detects that sea pa is not correctly installed, dust collector will issue warning or automatically stop working, to prevent dust leakage, but the technology of relying on sensor to detect sea pa installation state can exist false alarm or miss report, cause user inconvenience or equipment prematurely stop working.
[0003] Some dust collectors are provided with transparent window or indicator light at sea pa installation position, user can judge whether sea pa is installed in place through these visual prompts, but visual prompt can not be intuitive enough, especially in insufficient light environment, user can be difficult to judge whether sea pa is correctly installed;
[0004] Some dust collectors are designed with mechanical locking mechanism, only when sea pa is correctly installed in place, dust collector can be started, this design can physically prevent dust leakage caused by incorrectly installed sea pa, but mechanical locking mechanism can increase the complexity and manufacturing cost of equipment, at the same time, it can also fail due to wear and tear of mechanical parts.
[0005] Patent with application publication number CN 113509099 A discloses a kind of dust collector sea pa leakproof installation mechanism, it includes dust collector main body, circuit board being set in dust collector main body, sea pa, magnetic block and hall sensor, magnetic block is inlaid in sea pa, hall sensor is installed on circuit board, circuit board is fixedly connected on the air duct in dust collector main body, and circuit board is set on the side close to magnetic block. The utility model also provides a kind of detection method of dust collector sea pa leakproof installation mechanism. The utility model compared to prior art can timely issue alarm when detecting that sea pa is not installed, and prevent dust collector from working, to effectively prevent dust from entering suction motor, avoid motor and control circuit board suffer damage, thereby prolong the service life of dust collector, improve the use safety of dust collector.But the utility model uses hall sensor can exist false alarm or miss report, cost is also relatively high. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of sea pa leakproof installation mechanism, the sea pa leakproof installation mechanism simple structure, stable and reliable, can effectively prevent sea pa from being installed.
[0007] To solve the above technical problems, the utility model adopts one technical scheme, provide a kind of sea pa leakproof installation mechanism, including cup body, the dust cup of cup body lower is provided with, the sea pa is installed in dust cup, the lower end of cup body is provided with conductive spring and electrostatic ring, the conductive spring is not stressed and is in contact with electrostatic ring to form conductive loop, the conductive spring below is provided with conductive thimble, the conductive thimble is located above sea pa, when sea pa is installed in dust cup, the top of sea pa is up and the conductive thimble is up, and the conductive thimble is up and the conductive spring is made the conductive spring leave electrostatic ring, when sea pa is not installed in dust cup, the conductive thimble does not up the conductive spring, and the conductive spring is in contact with electrostatic ring to form conductive loop.
[0008] Preferably, it further includes a control panel for controlling the conduction of the circuit, and the conductive spring and the electrostatic ring are electrically connected to the control panel respectively.
[0009] Preferably, the top of the sea pa is provided with an arc-shaped groove, and the position of the arc-shaped groove corresponds to the position of the conductive thimble, and when the sea pa is installed in the dust cup, the lower end of the conductive thimble is located in the arc-shaped groove.
[0010] Preferably, it further includes a warning light, and the warning light is electrically connected to the control panel, and when the sea pa is not installed in the dust cup, the warning light is on.
[0011] The utility model further provides a dust collector with the above-mentioned sea pa leakproof installation mechanism, and the dust collector contains the above-mentioned sea pa leakproof installation mechanism.
[0012] The utility model has the advantages that: the sea pa leakproof installation mechanism of the utility model monitors whether the sea pa is leakproof by whether the conductive spring and the electrostatic ring are in circuit conduction, sets physical contact on the conductive spring, and has the advantages of simple structure, stability, reliability, long service life, reduced structural complexity and manufacturing cost, and effective prevention of sea pa installation leakage. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor, and the drawings include:
[0014] Figure 1 It is the structure schematic diagram of the sea pa leakproof installation mechanism of the utility model;
[0015] Figure 2 It is the partial top view of the sea pa leakproof installation mechanism of the utility model. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below. 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 other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.
[0017] The utility model discloses an embodiment:
[0018] The utility model provides a kind of sea pa leakproof mechanism, please refer to Figure 1 And Figure 2 , including cup body 1, the dust cup 6 of cup body 1 below is provided with, the sea pa 5 is installed in dust cup 6, the lower end of cup body 6 is provided with conductive spring 3 and electrostatic ring 2, the conductive spring 3 is not stressed and is in contact with electrostatic ring 2 to form conductive loop, the conductive spring 3 below is provided with conductive thimble 4, the conductive thimble 4 is located above sea pa 5, when sea pa 5 is installed in dust cup 6, the top of sea pa 5 is up and up and top conductive thimble 4, and conductive thimble 4 is up and top conductive spring 3 makes conductive spring 3 leave electrostatic ring 2, when sea pa 5 is not installed in dust cup 6, conductive thimble 4 does not up and top conductive spring 3, and then conductive spring 3 is in contact with electrostatic ring 2 to form conductive loop.
[0019] Preferably, it further includes control panel 7 for controlling the conduction of circuit, and the conductive spring 3 and the electrostatic ring 2 are electrically connected with the control panel 7 respectively.
[0020] Preferably, the top of the sea pa is provided with an arc-shaped groove 8, the position of the arc-shaped groove 8 corresponds to the position of the conductive thimble 4, and the lower end of the conductive thimble 4 is located in the arc-shaped groove 8 when the sea pa 5 is installed in the dust cup 6.
[0021] Preferably, it further includes a warning light (not labeled in the figure), and the warning light is electrically connected with the control panel 7, and the warning light is bright when the sea pa 5 is not installed in the dust cup 6.
[0022] The utility model further provides a dust collector with the above-mentioned sea pa leakproof mechanism, and the dust collector contains the above-mentioned sea pa leakproof mechanism.
[0023] When the sea pa leakproof mechanism of the utility model works, the sea pa 5 is rotated and installed into the dust cup 6, the sea pa 5 will up and top the conductive thimble 4, so as to force the conductive spring 3 to deform, the conductive thimble 4 is separated from the electrostatic ring 2, the circuit signal line is disconnected from the loop, and the dust collector can normally work; when the sea pa 5 is not installed, the conductive thimble 4 is in contact with the electrostatic ring 2, the circuit signal line forms a loop, and feedback is given to the control panel 7 on the cup body 1, at this time, the product display screen (not shown in the figure) will alarm blue light flicker, and it is prompted that the sea pa 5 is not installed.
[0024] The conductive elastic sheet and the static ring are applied to the sea-island type polypropylene copolymer leak-proof loading mechanism, and whether the circuit is conducted is used to monitor whether the sea-island type polypropylene copolymer is leak-proof, so that the sea-island type polypropylene copolymer leak-proof loading mechanism is simple in structure, stable and reliable in use, long in service life, low in structural complexity and manufacturing cost, and can effectively prevent the sea-island type polypropylene copolymer from being loaded in a leaky manner.
[0025] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations made by using the utility model specification content, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.
Claims
1. A HEPA leak-proof device, comprising a cup body, a dust cup disposed below the cup body, and the HEPA filter installed inside the dust cup, characterized in that, The lower end of the cup body is provided with a conductive spring and an electrostatic ring. When the conductive spring is not under force, it contacts the electrostatic ring to form a conductive circuit. A conductive pin is provided below the conductive spring and is located above the HEPA filter. When the HEPA filter is installed in the dust cup, the top of the HEPA filter pushes the conductive pin upward, and the conductive pin pushes the conductive spring upward, causing the conductive spring to leave the electrostatic ring. When the HEPA filter is not installed in the dust cup, the conductive pin will not push the conductive spring upward, and the conductive spring will contact the electrostatic ring to form a conductive circuit. The top of the HEPA filter is provided with an arc groove, and the position of the arc groove corresponds to the position of the conductive pin. When the HEPA filter is installed in the dust cup, the lower end of the conductive pin is located in the arc groove.
2. The HEPA leak-proof installation mechanism according to claim 1, characterized in that, It also includes a control board for controlling the conduction of the control circuit, wherein the conductive spring and the electrostatic ring are electrically connected to the control board.
3. The HEPA leak-proof mechanism according to claim 1, characterized in that, It also includes a warning light, which is electrically connected to the control board and illuminates when the HEPA filter is not installed in the dust cup.
4. A vacuum cleaner having the HEPA leak-proof mechanism according to any one of claims 1-3, characterized in that, The vacuum cleaner has a HEPA leak-proof mechanism as described in any one of claims 1-3.
Citation Information
Patent Citations
Dust collector HEPA neglected loading prevention mechanism and detection method thereof
CN113509099A