CN211043326U - Detection device for formaldehyde content in indoor air - Google Patents
Detection device for formaldehyde content in indoor air Download PDFInfo
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- CN211043326U CN211043326U CN201922002493.3U CN201922002493U CN211043326U CN 211043326 U CN211043326 U CN 211043326U CN 201922002493 U CN201922002493 U CN 201922002493U CN 211043326 U CN211043326 U CN 211043326U
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Abstract
The utility model relates to a formaldehyde detection device technical field specifically is a detection device for indoor air formaldehyde content, the bottom side intercommunication of detection cylinder is equipped with the air intake, and the horizontal bracing piece that sets up of fixedly connected with in the air intake, fixedly connected with air inlet fan on the bracing piece, the bottom threaded connection of detection cylinder has the screen panel, and the air intake is located the screen panel, one side fixedly connected with supporting seat of detection cylinder is kept away from to the screen panel, the upside threaded connection of detection cylinder has the flap, and the lateral wall intercommunication of flap is equipped with the air outlet. The utility model discloses in, filter formaldehyde granule and impurity in with the air through starting air inlet fan cooperation active carbon filter screen, purify the air, reach the effect to indoor air purification, through setting up fixed establishment, be convenient for dismantle the installation to the active carbon filter screen, this device structural design is simple, convenient to use, the size is little, the energy consumption is low, convenient to carry.
Description
Technical Field
The utility model relates to a formaldehyde detection device technical field specifically is a detection device for indoor air formaldehyde content.
Background
Formaldehyde is an important organic raw material and widely applied to decoration raw materials, and is a substance with high toxicity, so that the formaldehyde content in the environment is generally required to be detected in practice, and according to different use places, formaldehyde detection devices comprise household and industrial detection devices, and the household detection devices are further divided into simple devices and precise instruments, wherein the precise instruments are expensive, and need to be sampled at multiple points in the whole space to be detected in the detection process, then the samples are mixed and then are kept stand for a period of time, and the detection can be carried out after the samples are completely stabilized, because the detection procedures of the precise instruments are complex, the cost is high, the application range is small, at present, the common household detection devices for formaldehyde are simple devices and comprise sensors arranged on the inner surfaces of ventilation holes, so that the sensors can be fully contacted with air to be detected, thereby detecting the formaldehyde content in the air.
A prior art's a detection device for indoor air formaldehyde content only relies on formaldehyde sensor to detect, and it is undulant big that the air is influenced by external wind-force, and poor stability leads to the detection data precision lower, and secondly, current detection device only possesses the detection function, can't accomplish the effect of purifying simultaneously to the indoor air, and practical function is poor. Therefore, the person skilled in the art provides a device for detecting formaldehyde content in indoor air to solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a detection device for indoor air formaldehyde content to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a detection device for indoor air formaldehyde content comprises a detection cylinder, wherein the bottom side of the detection cylinder is communicated with an air inlet, a transversely arranged support rod is fixedly connected in the air inlet, an air inlet fan is fixedly connected on the support rod, the bottom of the detection cylinder is in threaded connection with a mesh enclosure, the air inlet is positioned in the mesh enclosure, one side of the mesh enclosure, which is far away from the detection cylinder, is fixedly connected with a support seat, the upper side of the detection cylinder is in threaded connection with a movable cover, the side wall of the movable cover is communicated with an air outlet, one side inner wall of the detection cylinder, which is close to the air inlet, is fixedly connected with a formaldehyde sensor, the side wall of the detection cylinder is fixedly connected with a control panel which is electrically connected with the formaldehyde sensor, the inner wall of the detection cylinder is fixedly connected with a fixing ring, the fixing ring is positioned above the formaldehyde sensor, and the two fixing mechanisms are respectively positioned on two sides of the activated carbon filter screen and symmetrically arranged, and one ends of the two fixing mechanisms are respectively abutted against two sides of the activated carbon filter screen.
As a further aspect of the present invention: the control panel comprises a data processor, a display screen and a controller, the controller and the display screen are respectively electrically connected with the data processor, and the formaldehyde sensor is electrically connected with the data processor.
As a further aspect of the present invention: the input end of the air inlet fan is electrically connected with the controller on the control panel.
As a further aspect of the present invention: the fixing mechanism comprises a mounting groove arranged on the fixing ring, a supporting rod is transversely arranged in the mounting groove and fixedly connected with the supporting rod in a sleeved mode, a supporting block is arranged on the supporting rod in a sleeved mode and connected with the supporting rod in a sliding mode, one side, far away from the activated carbon filter screen, of the supporting block is fixedly connected with the inner wall of the mounting groove through a compression spring, the compression spring is sleeved on the supporting rod, and one side of the supporting block extends to the outer side of the mounting groove and offsets with the activated carbon filter screen.
As a further aspect of the present invention: the side wall of the supporting block is provided with a through hole, the supporting rod penetrates through the through hole, and the inner wall of the through hole of the supporting block is connected with the outer side wall of the supporting rod in a sliding mode.
As a further aspect of the present invention: fixedly connected with transversely sets up the steel wire block in the air outlet, and the lateral wall of steel wire block adopts welded mode fixed connection with the inner wall of air outlet.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through operation control panel, start fan and formaldehyde sensor into, the air inlet fan rotates and produces wind-force suction, sees through the screen panel with the room air in by the air intake suction test tube, with the formaldehyde sensor contact in the test tube, closes the fan into, makes the air in the test tube be in quiescent condition, prevents to receive external wind-force influence, keeps the stability of air current, improves the precision that formaldehyde detected, and this device structural design is simple, convenient to use, and the size is little, and the energy consumption is low, convenient to carry.
2. Through starting the air inlet fan cooperation active carbon filter screen and filtering formaldehyde granule and impurity in with the air, carry out purifying effect to the air, improve purification efficiency, arrange indoor by the air outlet on the flap again, make indoor air and detection section of thick bamboo form the circulation and circulate, reach the effect to indoor air purification, improve the air quality, maintain health.
3. Through setting up fixed establishment, utilize compression spring because the spring action, promote to support the piece toward the direction displacement of active carbon filter screen and support tightly, realize the fixed to the active carbon filter screen, this design is convenient for dismantle the installation to the active carbon filter screen, and the clearance of being convenient for is maintained, uses manpower sparingly, and then improves the effect of purification.
Drawings
FIG. 1 is a schematic perspective view of a device for detecting formaldehyde content in indoor air;
FIG. 2 is a schematic sectional front view of a device for detecting formaldehyde content in indoor air;
fig. 3 is an enlarged schematic structural diagram of a point a in fig. 2 in a detection device for formaldehyde content in indoor air.
In the figure: 1. a detection cylinder; 2. an air inlet; 3. a support bar; 4. a fan inlet; 5. a mesh enclosure; 6. a supporting seat; 7. a removable cover; 8. an air outlet; 9. a formaldehyde sensor; 10. a control panel; 11. a fixing ring; 12. an activated carbon filter screen; 13. mounting grooves; 14. a strut; 15. a resisting block; 16. a compression spring; 17. a steel wire blocking net.
Detailed Description
Referring to fig. 1-3, in an embodiment of the present invention, a device for detecting formaldehyde content in indoor air includes a detecting cylinder 1, an air inlet 2 is disposed at a bottom side of the detecting cylinder 1 for air inlet, a support rod 3 is fixedly connected to the air inlet 2 and is welded and fixed, the connection is firm, an air inlet fan 4 is fixedly connected to the support rod 3, the air inlet fan 4 is turned on to generate wind force suction, indoor air is sucked into the detecting cylinder 1 from the air inlet 2 through a mesh enclosure 5, the bottom of the detecting cylinder 1 is screwed with the mesh enclosure 5, the device is convenient to disassemble, the air inlet 2 is located in the mesh enclosure 5, the mesh enclosure 5 neither affects the air circulation nor intercepts garbage, and prevents the interior of the detecting cylinder 1 from being blocked by garbage, a support base 6 is fixedly connected to a side of the mesh enclosure 5 away from the detecting cylinder 1, the support is stable, and a movable cover 7, the indoor air purifier is convenient to disassemble, an air outlet 8 is communicated with the side wall of the movable cover 7 and used for exhausting air, a formaldehyde sensor 9 is fixedly connected to the inner wall of one side, close to the air inlet 2, of the detection cylinder 1, the indoor air purifier is prior art, a control panel 10 electrically connected with the formaldehyde sensor 9 is fixedly connected to the side wall of the detection cylinder 1, a fixing ring 11 is fixedly connected to the inner wall of the detection cylinder 1 and supports an active carbon filter screen 12, the fixing ring 11 is located above the formaldehyde sensor 9 and is convenient to detect the content of formaldehyde in indoor air, the active carbon filter screen 12 is arranged on the upper side of the fixing ring 11, two symmetrically-arranged fixing mechanisms are arranged on the upper side of the fixing ring 11 and are respectively located on two sides of the active carbon filter screen 12 and symmetrically arranged, and one ends;
in fig. 1 and 2: the control panel 10 comprises a data processor, a display screen and a controller, the controller and the display screen are respectively electrically connected with the data processor, the formaldehyde sensor 9 is electrically connected with the data processor, the sensing end of the formaldehyde sensor 9 transmits the detected data to the data processor in the control panel 10, and then the display screen on the control panel 10 displays the detected data, so that the collected data can be observed by personnel conveniently;
in fig. 2: the input end of the air inlet fan 4 is electrically connected with the controller on the control panel 10, and the controller on the control panel 10 is operated to control the operation of the air inlet fan 4, so that the air circulation is accelerated, and the purification efficiency is improved;
in fig. 3: the fixing mechanism comprises a mounting groove 13 arranged on the fixing ring 11, a supporting rod 14 transversely arranged is fixedly connected in the mounting groove 13, a resisting block 15 is sleeved on and slidably connected with the supporting rod 14, one side, far away from the activated carbon filter screen 12, of the resisting block 15 is fixedly connected with the inner wall of the mounting groove 13 through a compression spring 16, the compression spring 16 is sleeved on the supporting rod 14, one side of the resisting block 15 extends to the outer side of the mounting groove 13 and is abutted against the activated carbon filter screen 12, as the resisting block 15 is slidably connected with the supporting rod 14, only the resisting block 15 needs to be pulled towards two sides, the activated carbon filter screen 12 loses limitation, the activated carbon filter screen 12 can be taken down, meanwhile, the compression spring 16 is extruded by the resisting block 15 to generate elastic force, then a new activated carbon filter screen 12 is taken up, the detection cylinder 1 is placed between the two resisting blocks 15 on the fixing ring 11, then the resisting block 15 is loosened, the compression spring 16 pushes the resisting block 15 to move towards the activated carbon filter, the fixation of the activated carbon filter screen 12 is realized, the replacement of the activated carbon filter screen 12 is completed, and the design is convenient for the disassembly and the assembly of the activated carbon filter screen 12;
in fig. 3: a through hole is formed in the side wall of the abutting block 15, the supporting rod 14 penetrates through the through hole, and the inner wall of the through hole of the abutting block 15 is connected with the outer side wall of the supporting rod 14 in a sliding mode, so that the abutting block 15 can be displaced conveniently;
in fig. 1 and 2: fixedly connected with transversely sets up steel wire block 17 in the air outlet 8, neither influences the circulation of air, also can prevent that rubbish from falling into detection section of thick bamboo 1 by air outlet 8, and steel wire block 17's lateral wall adopts welded mode fixed connection with the inner wall of air outlet 8, connects more firmly.
The utility model discloses a theory of operation is: when the device is used, the control panel 10 is operated, the air inlet fan 4 and the formaldehyde sensor 9 are started, the air inlet fan 4 rotates to generate wind power suction force, indoor air is sucked into the detection cylinder 1 from the air inlet 2 through the mesh enclosure 5 and is in contact with the formaldehyde sensor 9 in the detection cylinder 1, the air inlet fan 4 is closed, air in the detection cylinder 1 is in a static state and is prevented from being influenced by external wind power, the stability of air flow is kept, the formaldehyde detection accuracy is improved, the detection data are transmitted to the data processor in the control panel 10 by the sensing end of the formaldehyde sensor 9, the detection data are displayed by the display screen on the control panel 10, a person can conveniently observe and collect the data, then the air inlet fan 4 can be continuously started, the air in the detection cylinder 1 is filtered by the activated carbon filter screen 12, formaldehyde particles and impurities in the air are filtered, the air is purified, and the purification efficiency is improved, then the air is discharged into the room through the air outlet 8 on the movable cover 7, so that the indoor air and the detection cylinder 1 form circulation, the indoor air purification effect is achieved, the air quality is improved, and the human health is maintained;
when the active carbon filter screen 12 needs to be replaced or cleaned, the movable cover 7 can be directly screwed off to open the detection cylinder 1 because the movable cover 7 is in threaded connection with the detection cylinder 1, because the resisting block 15 is connected with the supporting rod 14 in a sliding way, the resisting block 15 is only needed to be pulled to two sides, and the active carbon filter screen 12 is not limited, the active carbon filter screen 12 can be taken down, meanwhile, the compression spring 16 is extruded by the abutting block 15 to generate elastic force, then a new active carbon filter screen 12 is taken, the detection cylinder 1 is placed between two abutting blocks 15 on the fixing ring 11, then the abutting block 15 is loosened, the compression spring 16 pushes the abutting block 15 to move towards the direction of the active carbon filter screen 12 and abut tightly due to the elastic force, the active carbon filter screen 12 is fixed, the replacement of the active carbon filter screen 12 is completed, this design is convenient for dismantle the installation to active carbon filter screen 12, and the clearance of being convenient for is maintained, uses manpower sparingly, and then improves the effect of purification.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The detection device for the formaldehyde content of indoor air comprises a detection cylinder (1) and is characterized in that the bottom side of the detection cylinder (1) is communicated with an air inlet (2), a transverse support rod (3) is fixedly connected in the air inlet (2), a fan (4) is fixedly connected to the support rod (3), a mesh enclosure (5) is in threaded connection with the bottom of the detection cylinder (1), the air inlet (2) is located in the mesh enclosure (5), a support seat (6) is fixedly connected to one side, away from the detection cylinder (1), of the mesh enclosure (5), a movable cover (7) is in threaded connection with the upper side of the detection cylinder (1), an air outlet (8) is communicated with the side wall of the movable cover (7), a formaldehyde sensor (9) is fixedly connected to the inner wall of one side, close to the air inlet (2), of the detection cylinder (1), and a control panel (10) electrically connected with the formaldehyde sensor (9) is fixedly connected to the side wall of the, the utility model discloses a formaldehyde sensor, including detection section of thick bamboo (1), inner wall fixedly connected with solid fixed ring (11), and solid fixed ring (11) are located the top of formaldehyde sensor (9), gu fixed ring (11) upside is equipped with activated carbon filter screen (12), the upside of solid fixed ring (11) is equipped with the fixed establishment that two symmetries set up, and two fixed establishment are located the bilateral symmetry setting of activated carbon filter screen (12) respectively, two fixed establishment's one end offsets with the both sides of activated carbon filter screen (12) respectively and sets up.
2. The device for detecting the formaldehyde content in the indoor air as claimed in claim 1, wherein the control panel (10) comprises a data processor, a display screen and a controller, the controller and the display screen are respectively electrically connected with the data processor, and the formaldehyde sensor (9) is electrically connected with the data processor.
3. The device for detecting the formaldehyde content in the indoor air as claimed in claim 2, wherein the input end of the air inlet fan (4) is electrically connected with the controller on the control panel (10).
4. The device for detecting the formaldehyde content in indoor air according to claim 1, wherein the fixing mechanism comprises a mounting groove (13) formed in the fixing ring (11), a transversely-arranged supporting rod (14) is fixedly connected to the mounting groove (13), a supporting block (15) is sleeved on the supporting rod (14) and slidably connected to the supporting rod, one side, away from the activated carbon filter screen (12), of the supporting block (15) is fixedly connected with the inner wall of the mounting groove (13) through a compression spring (16), the compression spring (16) is sleeved on the supporting rod (14), and one side of the supporting block (15) extends to the outer side of the mounting groove (13) and abuts against the activated carbon filter screen (12).
5. The device for detecting the formaldehyde content in the indoor air according to claim 4, wherein a through hole is formed in a side wall of the abutting block (15), the supporting rod (14) penetrates through the through hole, and an inner wall of the through hole of the abutting block (15) is slidably connected with an outer side wall of the supporting rod (14).
6. The device for detecting the formaldehyde content in the indoor air according to claim 1, wherein a steel wire blocking net (17) is transversely arranged in the air outlet (8) and the side wall of the steel wire blocking net (17) is fixedly connected with the inner wall of the air outlet (8) in a welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922002493.3U CN211043326U (en) | 2019-11-19 | 2019-11-19 | Detection device for formaldehyde content in indoor air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922002493.3U CN211043326U (en) | 2019-11-19 | 2019-11-19 | Detection device for formaldehyde content in indoor air |
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| Publication Number | Publication Date |
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| CN211043326U true CN211043326U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922002493.3U Active CN211043326U (en) | 2019-11-19 | 2019-11-19 | Detection device for formaldehyde content in indoor air |
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| CN (1) | CN211043326U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974117A (en) * | 2020-08-19 | 2020-11-24 | 泉州市先卓工业设计有限公司 | Interior decoration removes flavor and uses formaldehyde clean-up equipment |
| CN112191048A (en) * | 2020-09-01 | 2021-01-08 | 合肥常青机械股份有限公司 | Welding smoke dust adsorption device for automobile welding and using method thereof |
| CN113063899A (en) * | 2021-03-27 | 2021-07-02 | 昆山市疾病预防控制中心 | Indoor formaldehyde detection system for home decoration detection acceptance |
-
2019
- 2019-11-19 CN CN201922002493.3U patent/CN211043326U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974117A (en) * | 2020-08-19 | 2020-11-24 | 泉州市先卓工业设计有限公司 | Interior decoration removes flavor and uses formaldehyde clean-up equipment |
| CN112191048A (en) * | 2020-09-01 | 2021-01-08 | 合肥常青机械股份有限公司 | Welding smoke dust adsorption device for automobile welding and using method thereof |
| CN113063899A (en) * | 2021-03-27 | 2021-07-02 | 昆山市疾病预防控制中心 | Indoor formaldehyde detection system for home decoration detection acceptance |
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