Air quality detector

Abstract

The utility model provides an air quality detector which comprises a top seat, a lifting seat and an air quality detector body, two pairs of shaft seats are arranged in an inner cavity of the top seat, a rotating shaft is rotatably connected between each pair of shaft seats, two sides of each rotating shaft are respectively provided with a wire coil, and steel wires are wound on the wire coils. The four steel wires penetrate through the bottom of the top seat and are connected with a lifting seat, and an air quality detector body is fixed to the bottom of the lifting seat through screws. According to the utility model, the rotating shafts are driven under the work of the motor, and the wire coils arranged on the two rotating shafts are driven to take up and pay off the steel wire under the meshing transmission of the gears arranged at the end parts of the two rotating shafts, so that the lifting of the lifting seat and the air quality detector body is completed; maintenance personnel can repair and maintain the air quality detector body without climbing, and operation is convenient and safe.

Description

TECHNICAL FIELD

[0001] The utility model relates to air quality detection technical field especially relates to a kind of air quality detectors. BACKGROUND

[0002] In order that people can clearly know the air quality of indoor environment, air detector is usually installed in indoor, which can detect the composition in air, so that people can know the quality of surrounding air in time. The traditional air detector is usually installed on the top of ceiling, and during the maintenance of air detector, the maintenance personnel needs to climb by ladder, and then disassemble and install, which is more complicated, and there is a security risk during the maintenance. UTILITY MODEL CONTENT

[0003] In order to solve the above problems, the utility model provides an air quality detector to more accurately solve the above problems.

[0004] The utility model is realized by the following technical scheme:

[0005] The utility model provides an air quality detector, which comprises a top seat, a lifting seat and an air quality detector body, a top plate for fixing with a building ceiling is arranged on the top of the top seat, two pairs of shaft seats are arranged in the inner cavity of the top seat, a rotating shaft is rotatably connected between each pair of shaft seats, a wire reel is arranged on each side of each rotating shaft, a steel wire is wound on the wire reel, and the four steel wires all penetrate through the bottom of the top seat and are connected with the lifting seat, the air quality detector body is fixed on the bottom of the lifting seat by screws, a pair of wire wheels is arranged at the position corresponding to each steel wire at the bottom of the inner cavity of the top seat, each pair of wire wheels rolls against the corresponding steel wire, a concave power connection cavity is arranged on the bottom of the top seat, a power connection protrusion is integrally formed on the lifting seat at the position corresponding to the power connection cavity, a power supply contact is arranged on the top of the power connection cavity, a power supply wire head is connected to the upper end of the power supply contact, a power connection contact corresponding to the power supply contact is arranged in the power connection protrusion, and the lower end of the power connection contact is connected with the power supply interface of the air quality detector body.

[0006] Further, a motor is integrally arranged on the outer wall of the top seat, and the output end of the motor is drivingly connected with one end of one of the rotating shafts.

[0007] Further, one end of each of the two rotating shafts is provided with a gear, and the two gears are drivingly engaged.

[0008] Further, the power connection protrusion is a conical protrusion body, and the power connection cavity is a conical cavity matched with the power connection protrusion.

[0009] Further, the top of the lifting seat is provided with a positioning clamping groove in the shape of a trapezoidal opening on both side edges, and the bottom of the top seat is integrally provided with a positioning clamping plate matched with the positioning clamping groove.

[0010] Further, the inner cavity of the top seat is provided with a pair of electromagnets, and the upper surface of the lifting seat is inlaid with an armature corresponding to the position of the pair of electromagnets.

[0011] Further, the inner cavity of the top seat is provided with a control box, and the control box is internally provided with a backup power supply, a control chip, an electric control module and a wireless transceiver module.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model drives the rotating shaft under the work of the motor, and drives the wire reel arranged on the two rotating shafts to wind and unwind the steel wire under the meshing transmission of the gears arranged at the ends of the two rotating shafts, so as to complete the lifting of the lifting seat and the air quality detector body.

[0014] 2. The utility model receives the instruction sent by the user remote control terminal through the wireless transceiver module to remotely control the work of the motor, so as to remotely control the lifting of the air quality detector body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the first three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is the second three-dimensional structure schematic view of the utility model;

[0017] Figure 3 It is the internal structure sectional view of the top seat in the utility model;

[0018] Figure 4 It is Figure 3 the sectional view of A-A;

[0019] Figure 5 It is Figure 3 the sectional view of B-B.

[0020] In the diagram: 1. Top seat; 101. Top plate; 102. Shaft seat; 1021. Rotating shaft; 1022. Wire reel; 1023. Steel wire; 1024. Gear; 1025. Motor; 1026. Torque detector; 1027. Wire wheel; 103. Electrical contact cavity; 1031. Power supply contact; 1032. Power supply wire end; 104. Electromagnet; 105. Control box; 106. Positioning plate; 2. Lifting seat; 201. Electrical contact protrusion; 2011. Electrical contact; 202. Armature; 203. Positioning slot; 3. Air quality detector body. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: An air quality detector includes a top base 1, a lifting base 2, and an air quality detector body 3. The top of the top base 1 is provided with a top plate 101 for fixing to the building ceiling. The inner cavity of the top base 1 is provided with two pairs of bearing seats 102. A rotating shaft 1021 is rotatably connected between each pair of bearing seats 102. Each rotating shaft 1021 has a coil 1022 on each side. Steel wire 1023 is wound on the coil 1022, and all four steel wires 1023 pass through the bottom of the top base 1 and are connected to the lifting base 2. The bottom of the lifting base 2 is fixed to the air quality detector body 3 by screws. One end of each of the two rotating shafts 1021 is provided with a gear 1024, and the two gears 1024 are meshed. An electric motor 1025 is integrally provided on the outer wall of the top base 1, and the output end of the electric motor 1025 is connected to one end of one of the rotating shafts 1021. The motor 1025 drives the rotating shaft 1021, and the meshing transmission of the gears 1024 at the ends of the two rotating shafts 1021 drives the coils 1022 on the two rotating shafts 1021 to wind and unwind the steel wire 1023, thereby completing the lifting of the lifting seat 2 and the air quality detector body 3.

[0023] like Figure 3 As shown, a torque detector 1026 is provided at the connection between the output end of the motor 1025 and the rotating shaft 1021. The torque detector 1026 is used to detect the torque between the motor 1025 and the rotating shaft 1021. After the lifting seat 2 rises and contacts the top seat 1, the motor 1025 stops working to prevent the steel wire 1023 from being broken. Figure 5As shown, the inner cavity bottom of the top base 1 and the position corresponding to each steel wire 1023 are provided with a pair of wire wheels 1027, each pair of wire wheels 1027 rolls against the corresponding steel wire 1023 to ensure the stable winding and unwinding of the steel wire 1023.

[0024] The technical scheme in the embodiment of the application has at least the following technical effects or advantages: the motor 1025 drives the rotating shaft 1021, and the gears 1024 on the ends of the two rotating shafts 1021 drive the wire reels 1022 on the two rotating shafts 1021 to wind and unwind the steel wire 1023, thereby completing the lifting of the lifting base 2 and the air quality detector body 3, and the maintenance personnel can maintain the air quality detector body 3 without climbing, which is convenient and safe to operate.

[0025] As shown in Figure 1 , Figure 2 and Figure 4 , the bottom of the top base 1 is provided with an inner recessed power connection cavity 103, the lifting base 2 is integrally formed with a power connection protrusion 201 at the position corresponding to the power connection cavity 103, the top of the power connection cavity 103 is provided with a power supply contact end 1031, the upper end of the power supply contact end 1031 is connected with a power supply wire end 1032, the power supply wire end 1032 is used for connecting a power supply line, the power connection protrusion 201 is internally provided with a power connection contact end 2011 corresponding to the power supply contact end 1031, the lower end of the power connection contact end 2011 is connected with a power supply interface of the air quality detector body 3. After the lifting base 2 is lifted to be attached to the top base 1, the power supply contact end 1031 is in contact with the power connection contact end 2011 to be electrified, thereby completing the power supply to the air quality detector body 3.

[0026] The power connection protrusion 201 is a conical frustum protrusion, the power connection cavity 103 is a conical frustum cavity matched with the power connection protrusion 201, when the lifting base 2 is lifted, the accurate alignment is ensured, the top of the lifting base 2 is provided with a positioning clamping groove 203 in a trapezoidal opening shape on both side edges, the bottom of the top base 1 is integrally formed with a positioning clamping plate 106 matched with the positioning clamping groove 203 to further ensure the accurate alignment, the inner cavity of the top base 1 is provided with a pair of electromagnets 104, the upper surface of the lifting base 2 is inlaid with an armature 202 at the position corresponding to the pair of electromagnets 104, after the lifting base 2 is lifted to be attached to the top base 1, the electromagnets 104 are electrified to attract and fix the armature 202, thereby ensuring the stable attachment between the top base 1 and the lifting base 2.

[0027] The inner cavity of the top base 1 is provided with a control box 105, and the control box 105 internally collects a backup power supply, a control chip, an electric control module and a wireless transceiver module; the control chip is signal connected with the torsion detector 1026 and the wireless transceiver module; the electric control module receives the instruction issued by the control chip; and the electric control module is electrically connected with the motor 1025. The wireless transceiver module can cooperate with the user remote control terminal, receives the instruction sent by the user remote control terminal through the wireless transceiver module, and remotely controls the work of the motor 1025.

[0028] The technical scheme in the embodiment of the application has at least the following technical effects or advantages: the utility model discloses, through wireless transceiver module receives the instruction that user remote control terminal sent, reaches remote control motor 1025's work, thereby remote control air quality detector body 3's lift, simple operation, and in the lift seat 2 rises to with top base 1 is pasted after, electromagnet 104 power on to armature 202 carries out attraction fixed, guarantees the stable adhesion between top base 1 and lift seat 2.

[0029] Of course, the utility model can also have other various implementation manners, and other implementation manners obtained by the person skilled in the art based on the embodiment without any creative labor belong to the range protected by the utility model.

Claims

1. An air quality detector, comprising a top seat (1), a lifting seat (2) and an air quality detector body (3), characterized in that, The top of the top base (1) is provided with a top plate (101) for fixing with the building ceiling, and the inner cavity of the top base (1) is provided with two pairs of shaft seats (102), each pair of shaft seats (102) is rotatably connected with a rotating shaft (1021), each rotating shaft (1021) is provided with a wire reel (1022) on each side, the wire reel (1022) is wound with a steel wire (1023), and the four steel wires (1023) penetrate through the bottom of the top base (1) and are connected with the lifting seat (2), the bottom of the lifting seat (2) is fixed with an air quality detector body (3) through a screw, the inner cavity bottom of the top base (1) is provided with a pair of wire wheels (1027) corresponding to the position of each steel wire (1023), each pair of wire wheels (1027) is in rolling contact with the corresponding steel wire (1023), the bottom of the top base (1) is provided with a concave power connection cavity (103), the lifting seat (2) is integrally formed with a power connection block (201) corresponding to the position of the power connection cavity (103), the top of the power connection cavity (103) is provided with a power supply contact end (1031), the upper end of the power supply contact end (1031) is connected with a power supply wire end (1032), the power connection block (201) is provided with a power connection contact end (2011) corresponding to the power supply contact end (1031) in the inside, and the lower end of the power connection contact end (2011) is connected with the power supply interface of the air quality detector body (3).

2. The air quality detector of claim 1, wherein, The outer wall of the top base (1) is integrally provided with a motor (1025), and the output end of the motor (1025) is in transmission connection with one end of one of the rotating shafts (1021), and the output end of the motor (1025) is in transmission connection with one end of one of the rotating shafts (1021).

3. The air quality detector of claim 1, wherein, One end of each of the two rotating shafts (1021) is provided with a gear (1024), and the two gears (1024) are in transmission engagement.

4. The air quality detector of claim 1, wherein, The power connection block (201) is a frustum-shaped block, and the power connection cavity (103) is a frustum-shaped cavity matched with the power connection block (201).

5. The air quality detector of claim 1, wherein, The top of the lifting seat (2) is provided with a positioning clamping groove (203) in the form of a trapezoidal opening at the two side edges, and the bottom of the top base (1) is integrally formed with a positioning clamping plate (106) matched with the positioning clamping groove (203).

6. The air quality detector of claim 1, wherein, The inner cavity of the top base (1) is provided with a pair of electromagnets (104), and the upper surface of the lifting seat (2) is inlaid with an armature (202) corresponding to the position of the pair of electromagnets (104).

7. The air quality detector of claim 1, wherein, The inner cavity of the top base (1) is provided with a control box (105), and the control box (105) is internally provided with a backup power supply, a control chip, an electric control module and a wireless transceiver module, the control chip is in signal connection with the torque detector (1026) and the wireless transceiver module, the electric control module receives instructions issued by the control chip, and the electric control module is in electrical connection with the motor (1025).

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