An embedded air quality monitoring sensor

Abstract

The utility model discloses an embedded air quality monitoring sensor, the technical solution of which includes an installation box that can be embedded in a base box, one end of the installation box is open and a sensor assembly is arranged inside the installation box, and is characterized in that a decorative cover plate and a mounting base plate are arranged at the end of the installation box with the opening, the decorative cover plate is arranged at the end of the installation box with the opening to cover the opening, the mounting base plate can be fixedly arranged on the base box and a through hole is opened in the middle for the installation box to pass through; the decorative cover plate and the mounting base plate are connected by a snap-fit ​​structure; the installation box fixedly connected to the decorative cover plate can be directly clamped on the mounting base plate fixedly connected to the box 86, which makes disassembly more convenient and reduces the disassembly and assembly of the screws, thereby reducing the wear of the threaded holes and ensuring the stable connection between the installation box and the box 86.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor equipment, and in particular to an embedded air quality monitoring sensor. Background Art

[0002] Air quality has a significant impact on human health, and pollutants in the air are the triggering factors of many diseases. Currently, pollutants in the air that are harmful to the human body mainly include: fine particles with a diameter of less than 2.5 microns (PM2.5) and dust particles with a diameter of less than 10 microns (PM10), as well as total volatile organic compounds, carbon monoxide, ozone, etc. As people's awareness of environmental protection and health increases, air monitoring devices need to be installed in buildings to monitor whether the indoor air environment meets the standards.

[0003] The air monitoring devices used at home on the market are usually air quality monitoring sensors, which are usually embedded in an 86 box on the wall like a switch panel. The current air quality monitoring sensors usually include an installation box and an upper shell. The sensor module is usually fixed directly in the installation box, and is fixed in the 86 box together with the installation box by screws after wiring. In order to cover the threaded holes on the installation box, it is usually necessary to buckle a panel on the installation box to ensure the appearance. This causes the user to remove the panel first and then remove the screws between the installation box and the 86 box when they need to inspect the wiring harness of the air quality sensor or disassemble and replace the sensor. The operation is cumbersome and affects efficiency. At the same time, after disassembling and assembling the screws many times, the threads in the threaded holes on the 86 box and the installation box will be worn and produce a slipping phenomenon, which makes it impossible to firmly connect the installation box and the 86 box with screws, reducing the service life of the 86 box and affecting the stability of the product after installation. Utility Model Content

[0004] The utility model proposes an embedded air quality monitoring sensor. The installation box fixedly connected to the decorative cover plate can be directly clamped on the installation base plate fixedly connected to the box 86, making disassembly more convenient and reducing the disassembly and assembly of the screws, thereby reducing the wear of the threaded holes and ensuring the stable connection between the installation box and the box 86.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an embedded air quality monitoring sensor, including an installation box that can be embedded in a base box, one end of the installation box is open and a sensor assembly is arranged inside the installation box, the end of the installation box with the opening is provided with a decorative cover plate and a mounting base plate, the decorative cover plate is arranged at the end of the installation box with the opening to cover the opening, the mounting base plate can be fixedly arranged on the base box and a through hole is opened in the middle for the installation box to pass through; the decorative cover plate and the mounting base plate are connected by a snap-fit ​​structure.

[0006] The utility model is further configured as follows: the snap-on structure includes a plurality of snap-on grooves provided on the inner wall of the mounting base plate and a snap-on member provided on the decorative cover plate, wherein a limit block is protruding from the inner wall of the snap-on groove; the snap-on member includes a connecting rod connected to the decorative cover plate and plugged into the snap-on groove, a snap-on head is provided at one end of the connecting rod located in the snap-on groove, and the snap-on head is abutted against the limit block.

[0007] The utility model is further configured such that a plurality of the snap grooves are divided into positioning grooves and locking grooves, and a plurality of the locking grooves and the positioning grooves are respectively located on one side of the mounting base plate and the two are symmetrically arranged with respect to the center line of the mounting base plate; an unlocking hole is provided on the peripheral side of the mounting base plate and is vertically arranged with the locking groove and corresponds to the position of the snap head.

[0008] The utility model is further configured such that the buckle head is divided into a positioning head corresponding to the positioning groove and a locking head corresponding to the locking groove; one end surface of the positioning head and the locking head away from the limit block is a conical guiding surface, one end surface of the positioning head relative to the limit block is a vertical surface fitted with the limit block, and one end surface of the locking head relative to the limit block is a disengaging inclined surface forming an angle with the limit block.

[0009] The utility model is further configured such that a fixing plate is extended outwardly from the peripheral side of one end of the installation box with an opening, the decorative cover plate includes a supporting plate covering the outer surface of the fixing plate and a panel arranged on the supporting plate, the panel is spaced apart from the fixing plate by the supporting plate, a gap is formed therebetween, and ventilation grooves are provided on the peripheral sides of the support plate and the installation box.

[0010] The utility model is further configured that a connecting tube of a vertical fixing plate is provided on the inner side of the panel, a threaded hole connected to the connecting tube is provided on a side of the fixing plate away from the panel, and the fixing plate and the panel are threadedly connected to the connecting tube by screws passing through the threaded holes.

[0011] The utility model is further configured such that an unlocking plate is rotatably provided on one side of the mounting base plate corresponding to the unlocking hole, and an extrusion block located in the unlocking hole is provided on the unlocking plate.

[0012] The utility model is further configured that a rotation groove is provided on one side of the mounting base plate corresponding to the unlocking hole, a rotating shaft is detachably connected in the rotating groove, and one side of the unlocking plate is rotatably arranged on the rotating shaft.

[0013] The utility model is further configured that clamping blocks are provided at both ends of the rotation groove opening, and the clamping blocks are clamped and matched with the rotating shaft.

[0014] In summary, the beneficial effects of the utility model are:

[0015] Compared with the prior art, the present application uses a mounting base plate that is fixedly connected to the base box and detachably connected to the installation box, and a decorative cover plate that is fixedly connected to the installation box. During installation, the mounting box is fixedly connected to the base box through a snap connection between the decorative cover plate and the mounting base. This structure allows the user to directly disassemble the snap structure between the decorative cover plate and the mounting base when it is necessary to inspect the line connected to the mounting box, so as to achieve the separation and disassembly between the mounting box and the base box, so that the mounting box and the base box do not need to be fixedly connected by screws, making disassembly and installation more convenient and quick, and improving efficiency; at the same time, it avoids the wear of the threads in the threaded holes of the base box caused by repeated disassembly and assembly of the screws, avoids the occurrence of thread slippage, ensures that the mounting box can maintain a stable connection with the base box after multiple disassemblies, and extends the service life of the base box and the mounting box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is an exploded view of this embodiment.

[0017] Figure 2 It is a structural schematic diagram of the decorative cover plate and the installation box of this embodiment.

[0018] Figure 3 It is a partial cross-sectional view of the positioning head and the positioning groove of this embodiment.

[0019] Figure 4 It is a partial cross-sectional view of the locking groove and the locking head of this embodiment.

[0020] Figure 5 It is a structural diagram of the second embodiment.

[0021] Figure 6 yes Figure 5 Enlarged view of point A.

[0022] Figure 7 It is a schematic diagram of the structure of the unlocking plate of the second embodiment.

[0023] : Figure numerals: 1. base box; 2. mounting box; 21. opening; 22. fixing plate; 3. sensor assembly; 4. decorative cover plate; 41. support plate; 42. panel; 5. mounting base plate; 51. through hole; 6. snap structure; 61. snap groove; 611. positioning groove; 612. locking groove; 613. unlocking hole; 62. snap member; 63. limit block; 64. connecting rod; 65. snap head; 651. positioning head; 652. locking head; 653. guide surface; 654. vertical surface; 655. tripping slope; 7. ventilation groove; 8. connecting cylinder; 9. threaded hole; 10. screw; 11. unlocking plate; 12. extrusion block; 13. rotating groove; 14. rotating shaft; 15. snap block. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of the utility model.

[0025] like Figure 1-4 As shown, this embodiment discloses an embedded air quality monitoring sensor, including an installation box 2 that can be embedded in a bottom box 1. The bottom box 1 is an 86 junction box, which is a common product of a wall-mounted wiring panel 42 on the market and does not belong to the structure of this application; one end of the installation box 2 has an opening 21 and a sensor component 3 is arranged inside the installation box 2. The sensor component 3 is stuck in the installation box 2 for easy connection with the wire; the end of the installation box 2 with the opening 21 is provided with a decorative cover plate 4 and a mounting base plate 5, as shown in FIG. Figure 1-2 As shown, a fixing plate 22 extends outwardly from the circumference of one end of the installation box 2 with an opening 21, and the decorative cover plate 4 can be covered on the fixing plate 22 to cover the opening 21 of the installation box 2, and the installation base plate 5 can be wrapped around the outer side of the decorative cover plate 4 through the snap-fit ​​structure 6 and fixedly connected to the decorative cover plate 4; the installation base plate 5 can be fixed to the base box 1 by screws 10, and a through hole 51 is provided in the middle of the installation base plate 5 for the installation box 2 to pass through. When the installation box 2 needs to be installed, the installation box 2 can enter the base box 1 through the through hole 51, so that the air quality detection sensor can be embedded in the wall after installation, leaving only the installation base plate 5 and the decorative cover plate 4 exposed to the outside, making the product more beautiful in visual effect and thinner.

[0026] like Figure 2-4 As shown, the buckle structure 6 includes four buckle grooves 61 arranged on the inner side of the mounting base plate 5 and buckle members 62 arranged on the peripheral side of the decorative cover plate 4 and corresponding to the buckle grooves 61. The inner wall of the buckle groove 61 is protruded with a limit block 63, and the limit block 63 can limit the buckle head 65, so that the decorative cover plate 4 cannot be separated from the mounting base plate 5; the buckle member 62 includes a connecting rod 64 connected to the peripheral side of the decorative cover plate 4 and plugged with the buckle groove 61. The end of the connecting rod 64 located in the buckle groove 61 is provided with a buckle head 65, wherein, as shown in FIG. Figure 2As shown, the connecting rod 64 is integrally arranged with the support plate 41 on the side of the decorative cover plate 4, and only one end of the connecting rod 64 is fixedly connected to the support plate 41, and the entire decorative cover plate 4 is made of plastic with a certain elasticity. Therefore, the connecting rod 64 has a certain elastic deformation ability and can elastically deform outward along the part where the connecting rod 64 and the support plate 41 are fixed, thereby realizing that the buckle head 65 is away from the buckle groove 61. When the connection between the installation base plate 5 and the decorative cover plate 4 is completed, the connecting rod 64 will elastically reset, allowing the buckle head 65 to be stuck in the buckle groove 61 for buckling.

[0027] like Figure 3-4 As shown, the four snap grooves 61 are divided into positioning grooves 611 and locking grooves 612, and two positioning grooves 611 and locking grooves 612 are each provided, which are respectively located on one side of the mounting base plate 5 and the positioning grooves 611 and the locking grooves 612 are symmetrically arranged; the mounting base plate 5 is provided with an unlocking hole 613 which is arranged vertically with the locking groove 612 and corresponds to the position of the snap head 65; through the setting of the unlocking hole 613, when the user needs to release the connection between the decorative cover plate 4 and the mounting base plate 5, the user can use some rod-shaped tools to reach into the unlocking hole 613 to push up the snap head 65 corresponding to the locking groove 612, so that the connecting rod 64 corresponding to the locking groove 612 is deformed inwardly so that the snap head 65 is away from the snap groove 61, so that the locking of one side of the mounting base plate 5 and the decorative cover plate 4 is released, thereby facilitating the user to separate and disassemble the mounting base plate 5 and the decorative cover plate 4.

[0028] The buckle head 65 is divided into a positioning head 651 corresponding to the positioning groove 611 and a locking head 652 corresponding to the locking groove 612; the end faces of the positioning head 651 and the locking head 652 away from the limit block 63 are conical guide surfaces 653, the end face of the positioning head 651 relative to the limit block 63 is a vertical surface 654 that is fitted with the limit block 63, and the end face of the locking head 652 relative to the limit block 63 is a disengaging inclined surface 655 that forms an angle with the limit block 63.

[0029] The end faces of the positioning head 651 and the locking head 652 away from the limit block 63 are both tapered guide faces 653, which play a role in that when the clip 62 is inserted into the clip groove 61, the tapered guide faces 653 can be squeezed and guided, so that the connecting rod 64 is deformed inward, so that the clip head 65 can smoothly enter the clip groove 61; and the end face of the positioning head 651 relative to the limit block 63 is set as a vertical face 654 that fits with one side of the limit block 63, which can prevent the positioning head 651 from being separated from the limit block 63; and the end face of the locking head 652 relative to the limit block 63 is set as a vertical face 654 that fits with the limit block 63. The block 63 has a disengagement slope 655 at a certain angle, so that the locking head 652 can be relatively easily disengaged from the locking groove 612; at the same time, the positioning groove 611 and the locking groove 612 are symmetrically arranged on both sides of the base plate, so that one side of the decorative cover plate 4 and the installation base plate 5 can be firmly connected, while the other side can be easily disassembled, so that the installation base plate 5 and the decorative cover plate 4 can only be disassembled and separated by a specific disassembly sequence and disassembly direction, which ensures that the two are detachable while avoiding the problem of loose connection between the two and easy separation and falling.

[0030] Therefore, when the installation box 2 needs to be disassembled, Figure 1 As shown, first the user can pass the screw 10 through the threaded hole 9 on the fixing plate 22 of the installation box 2 and align it with the corresponding connecting tube 8 on the decorative cover plate 4 to tighten the connection, so as to realize the fixed connection between the decorative cover plate 4 and the installation box 2. Then fix the installation base plate 5 and the bottom box 1 with the screw 10. After that, connect the wires in the bottom box 1 to the wiring terminals on the installation box 2 and put the installation box 2 into the bottom box 1 through the through hole 51 on the installation base plate 5. Then align the fastener 62 with the fastener groove 61 and snap it into place.

[0031] When the installation box 2 needs to be disassembled, the user can first use a rod-shaped tool to reach into the unlocking hole 613 to squeeze the locking head 652 to make the connecting rod 64 deform inward, thereby providing a certain amount of assistance for the locking head 652 to move away from the locking groove 612. Then the user holds the side of the decorative cover plate 4 corresponding to the locking head 652 and applies force in the direction away from the installation base plate 5. After one side of the decorative cover plate 4 is separated from one side of the installation base plate 5, the positioning head 651 is moved away from the positioning groove 611, and finally the snap connection between the decorative cover plate 4 and the installation base plate 5 is released, so that the installation box 2 can be directly taken out of the base box 1 for inspection and maintenance of the circuit. During this operation, the user does not need to remove the screws 10 between the mounting base plate 5 and the bottom box 1, thereby avoiding the wear and damage of the screws 10 to the threaded holes 9 of the bottom box 1 caused by multiple disassembly and assembly in the prior art, and further avoiding the problem of loose connection caused by thread slippage between the screws 10 and the threaded holes 9 of the bottom box 1, thereby increasing the service life of the bottom box 1 and ensuring a firm connection between the bottom box 1 and the mounting box 2 after multiple disassembly.

[0032] Among them, the sensor assembly 3 includes a PCB control circuit board that is snapped into the installation box 2. The control circuit board is connected to a terminal block, which can be connected to the wires in the bottom box 1 through the terminal block; the PCB control circuit board is provided with a power conversion module, an LED power indicator light, a carbon dioxide module, a particulate matter module, a TVOC module, a temperature and humidity acquisition module, an RS485 communication module, and a wireless module. The RS485 communication module reports data to the fresh air purification equipment to achieve linkage or centralized control. The wireless module can be connected to the central control of the smart home gateway or the cloud to achieve remote control of the collection app, and the carbon dioxide module, particulate matter module, TVOC module, and temperature and humidity acquisition module and other modules can monitor the air quality in real time.

[0033] like Figure 2 As shown, a fixing plate 22 is provided on the circumference of one end of the installation box 2 with an opening 21, and the decorative cover plate 4 includes a support plate 41 covering the outer surface of the fixing plate 22 and a panel 42 arranged on the support plate 41. The panel 42 is spaced apart from the fixing plate 22 by the support plate 41, and a gap is formed therebetween. Ventilation slots 7 are provided on the circumference of the support plate 41 and the installation box 2, and a gap is formed between the panel 42 and the fixing plate 22 by the support plate 41, so that the thickness of the support plate 41 can be made thinner. The provision of the ventilation slots 7 can increase the exchange amount between the installation box 2 and the outside air, thereby improving the heat dissipation efficiency, and at the same time, allow the outside air to have a larger contact range with the internal components, so that the sensor can monitor the air quality more accurately.

[0034] Embodiment 2:

[0035] like Figure 5-7 As shown, on the basis of the above structure, in this embodiment, an unlocking plate 11 is rotatably arranged on one side of the mounting base plate 5 corresponding to the unlocking hole 613, and a squeezing block 12 located in the unlocking hole 613 is arranged on the unlocking plate 11; the user can press the unlocking plate 11 to allow the squeezing block 12 to generate an inward squeezing force on the locking head 652 in the unlocking hole 613, and the number of squeezing blocks 12 arranged on the unlocking plate 11 corresponds to the unlocking hole 613, so that the user only needs to press the unlocking plate 11 with one hand to squeeze all the locking heads 652, which facilitates the user's operation and improves the disassembly efficiency between the decorative cover plate 4 and the mounting base plate 5.

[0036] In addition, a rotating groove 13 is provided on one side of the mounting base plate 5 corresponding to the unlocking hole 613, and clamping blocks 15 are provided at both ends of the opening 21 of the rotating groove 13. One side of the unlocking plate 11 is rotatably provided on the rotating shaft 14 through a sleeve, and the rotating shaft 14 is clamped on the clamping block 15. The clamping block 15 is annular and has a conical opening 21 on the outside, so that the user can disassemble and assemble the rotating shaft 14 conveniently; and the detachable setting of the unlocking plate 11 can make the sensor more beautiful in daily use.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present invention should be included in the protection scope of the present invention.

Claims

1. An embedded air quality monitoring sensor, comprising a mounting box (2) that can be embedded in a base box (1), wherein one end of the mounting box (2) is open (21) and a sensor assembly (3) is arranged inside the mounting box (2), characterized in that: The end of the installation box (2) with an opening (21) is provided with a decorative cover plate (4) and a mounting base plate (5); the decorative cover plate (4) is provided at the end of the installation box (2) with an opening (21) and is used to cover the opening (21); the mounting base plate (5) can be fixedly arranged on the base box (1) and has a through hole (51) in the middle for the installation box (2) to pass through; the decorative cover plate (4) and the mounting base plate (5) are connected via a snap-fit ​​structure (6).

2. The embedded air quality monitoring sensor according to claim 1, characterized in that: The buckle structure (6) comprises a plurality of buckle grooves (61) arranged on the inner wall of the mounting base plate (5) and a buckle member (62) arranged on the decorative cover plate (4); a limit block (63) is protruding from the inner wall of the buckle groove (61); the buckle member (62) comprises a connecting rod (64) connected to the decorative cover plate (4) and plugged into the buckle groove (61); a buckle head (65) is arranged at one end of the connecting rod (64) located in the buckle groove (61); the buckle head (65) is in abutment with the limit block (63).

3. The embedded air quality monitoring sensor according to claim 2, characterized in that: The plurality of buckle grooves (61) are divided into positioning grooves (611) and locking grooves (612); the plurality of locking grooves (612) and positioning grooves (611) are respectively located on one side of the mounting base plate (5) and are symmetrically arranged about the center line of the mounting base plate (5); and an unlocking hole (613) is provided on the circumference of the mounting base plate (5) and is arranged vertically to the locking groove (612) and corresponds to the position of the buckle head (65).

4. The embedded air quality monitoring sensor according to claim 3, characterized in that: The buckle head (65) is divided into a positioning head (651) corresponding to the positioning groove (611) and a locking head (652) corresponding to the locking groove (612); one end surface of the positioning head (651) and the locking head (652) away from the limit block (63) is a conical guide surface (653), one end surface of the positioning head (651) relative to the limit block (63) is a vertical surface (654) arranged in close contact with the limit block (63), and one end surface of the locking head (652) relative to the limit block (63) is a release inclined surface (655) forming an angle with the limit block (63).

5. An embedded air quality monitoring sensor according to any one of claims 1 to 4, characterized in that: A fixing plate (22) is provided on the periphery of one end of the installation box (2) with an opening (21) extending outwardly, the decorative cover plate (4) comprises a support plate (41) covering the outer surface of the fixing plate (22) and a panel (42) provided on the support plate (41), the panel (42) is spaced apart from the fixing plate (22) by the support plate (41), a gap is formed between the two, and ventilation slots (7) are provided on the periphery of the support plate (41) and the installation box (2).

6. The embedded air quality monitoring sensor according to claim 5, characterized in that: A connecting tube (8) vertically connected to the fixing plate (22) is arranged on the inner side of the panel (42); a threaded hole (9) connected to the connecting tube (8) is arranged on a side of the fixing plate (22) away from the panel (42); the fixing plate (22) and the panel (42) are threadedly connected to the connecting tube (8) by means of screws (10) passing through the threaded holes (9).

7. The embedded air quality monitoring sensor according to claim 4, characterized in that: An unlocking plate (11) is rotatably provided on one side of the mounting base plate (5) corresponding to the unlocking hole (613), and an extrusion block (12) located in the unlocking hole (613) is provided on the unlocking plate (11).

8. The embedded air quality monitoring sensor according to claim 7, characterized in that: A rotation groove (13) is provided on one side of the mounting base plate (5) corresponding to the unlocking hole (613), a rotation shaft (14) is detachably connected in the rotation groove (13), and one side of the unlocking plate (11) is rotatably disposed on the rotation shaft (14).

9. The embedded air quality monitoring sensor according to claim 8, characterized in that: The two ends of the opening (21) of the rotating groove (13) are provided with clamping blocks (15), and the clamping blocks (15) are clamped and matched with the rotating shaft (14).

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