CN111810003A

CN111810003A - Formaldehyde detector capable of automatically opening and closing window

Info

Publication number: CN111810003A
Application number: CN202010723651.9A
Authority: CN
Inventors: 王天伟
Original assignee: Wenzhou Weiting Electronic Technology Co ltd
Current assignee: Wenzhou Weiting Electronic Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2020-10-23

Abstract

The invention discloses a formaldehyde detector capable of automatically opening and closing a window, which comprises a wall body, wherein a main body is fixedly arranged on the inner right side of the upper end of the wall body, a reaction liquid cavity is arranged in the wall body and positioned in front of the main body, a probe cavity with a rightward opening is arranged at the upper end in the main body, a probe capable of sliding left and right is arranged in the probe cavity, a piston cavity is arranged in the probe, air valves are symmetrically arranged on the upper side and the lower side of the left wall in the piston cavity, air in the room is firstly collected by means of monitoring the formaldehyde concentration in the room firstly and then eliminating the formaldehyde by opening the window, the formaldehyde concentration in the room is monitored in real time through chemical reaction on the formaldehyde, when the concentration is higher than a set value, the window is automatically opened for ventilation, and meanwhile, if the window meets the weather of rainwater when the window is opened, the window is timely closed through, causing losses.

Description

Formaldehyde detector capable of automatically opening and closing window

Technical Field

The invention relates to the technical field of air pollution monitoring, in particular to a formaldehyde detector capable of automatically opening and closing a window.

Background

In our daily life, can meet various air pollution, and formaldehyde pollution is the existence that is not neglected in these polluted air, formaldehyde pollution takes place in the room mostly, volatilize to the air by building material, furniture and floor of new decoration, human body inhales and can cause harm, current formaldehyde removal method mostly still relies on the room in the ventilation natural volatilization, and this kind of mode is inefficient, and need artifical operation of often opening the window ventilation, meet proruption rainwater weather, if not closing the window in time, can only get into indoor by the rainwater and cause the loss. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows: the general formaldehyde ventilation mode depends on the manual work, meets the sudden rainwater weather, if not close the window in time, then can only cause the loss by rainwater entering indoor.

In order to solve the problems, the formaldehyde detector capable of automatically opening and closing the window is designed in the embodiment, and comprises a wall body, wherein a main body is fixedly arranged on the inner right side of the upper end of the wall body, a reaction liquid cavity is arranged in the wall body and positioned in front of the main body, a probe cavity with a right opening is arranged at the upper end in the main body, a probe capable of sliding left and right is arranged in the probe cavity, a piston cavity is arranged in the probe, air valves are symmetrically and fixedly arranged on the upper side and the lower side of the left wall in the piston cavity, one-way valves are symmetrically and fixedly arranged on the upper wall and the lower wall in the piston cavity, the one-way valves on the upper side and the lower side are respectively communicated with the upper end and the lower end in the probe, a piston capable of sliding left and right is arranged in the piston cavity, when the piston slides left and right in the piston cavity, air in a room can be driven to enter the piston cavity through the upper side and the main body is internally communicated with the lower wall in the cavity of the detection head to form a sliding cavity, a belt wheel shaft capable of sliding left and right is arranged in the sliding cavity, the right side of the lower wall in the sliding cavity is rotatably connected with a rotating shaft, when the detection head slides right, the lower end of the belt wheel shaft is driven to slide right in the sliding cavity and is further rotatably connected with the rotating shaft, so that the piston can be pushed to reciprocate left and right in the piston cavity, the lower end in the main body is positioned below the sliding cavity, a switching cavity is arranged below the lower wall in the switching cavity, a rotating part is rotatably arranged at the lower wall in the switching cavity, a spline shaft is connected with the inner spline of the rotating part, the lower end face of the main body is communicated with an opening and closing cavity at the left end in the wall, and the lower end of the spline shaft extends downwards to the opening, the switching intracavity be equipped with bilateral symmetry and with the window frame of circular surface phase meshing of switching straight-tooth gear, work as the integral key shaft can be through driving during rotation the switching straight-tooth gear and then drive the window frame in slide around in the switching intracavity to can control the room in rather than outside closed condition, if formaldehyde exceeds standard in the room, then open the window frame and then to carrying out in the room with outside ventilation, the fixed atmospheric pressure case that is equipped with in the upper end left side in the wall, work as when outside atmospheric pressure change is monitored to atmospheric pressure case left end face, can produce the change of air pressure when raining, then can control the window frame is closed, prevents that the rainwater from getting into in the room.

Preferably, the fixed shield that is equipped with of detecting head right-hand member face, the left end just is located in the detecting head piston chamber left is equipped with the hinge chamber, piston left end hinged joint has the connecting rod, the rotatable bull stick that is equipped with of hinge intracavity lower wall, connecting rod left end hinged joint in the center of rotation one end is kept away from to the bull stick, hinge chamber lower wall intercommunication has the band pulley chamber, band pulley intracavity bilateral symmetry and rotatable band pulley, the left and right sides around being equipped with the hold-in range, the right side between the band pulley axle center with bull stick center of rotation fixed connection.

Preferably, the rotating shaft is located one end in the sliding cavity is fixedly provided with a driving straight gear, the upper end of the belt wheel shaft extends upwards to the left side, the lower end face of the belt wheel is fixedly connected with the shaft center, and the lower end of the belt wheel shaft extends downwards to the sliding cavity is fixedly provided with a belt wheel straight gear which can be meshed with the driving straight gear.

Preferably, detecting head intracavity left side wall upper end with the fixed spring that is equipped with between the detecting head left end face, the fixed spring stay cord that is equipped with of detecting head left end face upside, the main part left just is located the left end is equipped with the bevel gear chamber in the wall, bevel gear intracavity right side wall rotates and is connected with driven bevel gear, the fixed dwang that is equipped with of driven bevel gear right side end face, the dwang right-hand member extends to right the detecting head intracavity left end, be equipped with the screw rod chamber of opening right in the dwang, screw rod intracavity threaded connection have fixed connection in the screw rod at detecting head left end face center, the dwang below is equipped with the fixed link chamber, sliding connection has fixed connection in the fixed pole chamber in the dead lever of.

Preferably, the driving pulley chamber that the slip chamber below was equipped with, driving pulley intracavity bilateral symmetry and rotatable driving pulley that is equipped with, the left and right sides around being equipped with the initiative hold-in range between the driving pulley, axis of rotation lower extreme downwardly extending to driving pulley intracavity fixed connection is in the right side driving pulley axle center, left side the fixed integral key shaft that is equipped with in driving pulley axle center.

Preferably, the rotatable first rotating piece that is equipped with of bevel gear intracavity lower wall, first rotating piece upper end fixed be equipped with driven bevel gear engaged with's initiative bevel gear, bevel gear chamber below is equipped with the sliding block chamber, first rotating piece lower extreme downwardly extending to the internal spline of wall has first rotating internals, first rotating internals lower extreme downwardly extending to sliding block intracavity and outer disc splined connection have the sliding block, the sliding block lower extreme with bilateral symmetry just fixedly is equipped with first spring, left side between the sliding block intracavity lower wall the terminal surface center fixedly connected with stay cord under the sliding block.

Preferably, a motor is fixedly arranged on the left side of the inner lower end of the main body, a power cavity is arranged on the left side of the motor and below the driving belt wheel cavity, the left end and the right end of the motor are symmetrically and dynamically connected with power rods, the lower end of the spline shaft extends downwards into the power cavity and is fixedly provided with a spline bevel gear, the right wall in the power cavity is rotationally connected with a second rotating piece, the left end of the second rotating piece is fixedly provided with a driven bevel gear meshed with the spline bevel gear, the inner spline of the second rotating piece is connected with a second rotating internal part, the inner spline of the second rotating internal part is connected with one end of the power rod far away from the motor, the upper side and the lower side of the outer circular surface of the second rotating piece are symmetrically and fixedly provided with electromagnetic blocks, the outer circular surface of the second rotating internal part is fixedly provided with an electromagnetic, and a second spring is fixedly arranged between the right end surface of the first ball bearing and the left wall in the electromagnetic cavity.

Preferably, the right side the power rod is kept away from motor one end extends to right the switching intracavity is fixed and is equipped with power bevel gear, switch the intracavity and be located the bilateral symmetry about the outer disc of rotation piece just is fixed and is equipped with the switching bevel gear, just be located in the main part the outer disc of rotation piece is equipped with the spring chamber, and the left side the both sides are fixed and are equipped with the drive electromagnetism piece about the spring chamber, the spring chamber just is located the outer disc of rotation piece rotates and is connected with second ball bearing, the left and right sides the terminal surface respectively under the second ball bearing with be fixed with the third spring between the spring intracavity lower wall, the right side the terminal surface center is fixed and is equipped with the second stay cord under the second ball bearing, the left and right sides fixed window.

Preferably, a vacuum cavity is arranged in the air pressure box, a metal sheet cavity is communicated with the right of the vacuum cavity, metal sheets are fixedly arranged between the upper wall and the lower wall of the vacuum cavity and at the limit positions of the left wall and the right wall of the vacuum cavity, a light rod is fixedly arranged between the metal sheets at the front side and the rear side, and a metal sheet pull rope is fixedly connected to the center of the rear end face of the metal sheet at the right side.

Preferably, the reaction liquid intracavity longitudinal symmetry just communicates and has the solution mouth, the fixed admission valve that is equipped with of reaction liquid intracavity right wall downside, the fixed formaldehyde inductor that is equipped with of reaction liquid intracavity left wall, the fixed inductor that is equipped with of left side lower extreme in the main part.

The invention has the beneficial effects that: according to the invention, the formaldehyde concentration in the room is monitored firstly, then the formaldehyde is eliminated by opening the window, the air in the room is collected firstly, the formaldehyde concentration in the room is monitored in real time through the chemical reaction on the formaldehyde, when the concentration is higher than a set value, the window can be automatically opened for ventilation, and meanwhile, if the window is opened in rainy weather, the window is closed in time through the air pressure device, so that the loss of the room caused by the fact that the rainwater is damped is prevented.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view showing the overall structure of a formaldehyde detector capable of automatically opening and closing a window according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is an enlarged view of the structure of "B" in FIG. 1;

FIG. 4 is an enlarged view of the structure of "C" of FIG. 1;

FIG. 5 is an enlarged view of the structure of "D" of FIG. 1;

fig. 6 is an enlarged view of the structure of "E" in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The formaldehyde detector capable of automatically opening and closing the window comprises a wall body 11, a main body 12 is fixedly arranged on the inner right side of the upper end of the wall body 11, a reaction liquid cavity 47 is arranged in the wall body 11 and positioned in front of the main body 12, a probe head cavity 26 with a right opening is arranged at the upper end of the main body 12, a probe head 29 capable of sliding left and right is arranged in the probe head cavity 26, a piston cavity 31 is arranged in the probe head 29, air valves 27 are symmetrically arranged on the upper side and the lower side of the left wall in the piston cavity 31 in a vertical symmetry mode, check valves 28 are symmetrically arranged on the upper side and the lower side of the upper wall and the lower wall in the piston cavity 31 in a fixed mode, the check valves 28 on the upper side and the lower side are respectively communicated with the upper end and the lower end of the probe head 29, a piston 32 capable of sliding left and right is arranged in the piston cavity 31, when the piston 32 slides left and right in the piston cavity 31, air in a room can be driven to enter the The main body 12 is communicated with the lower wall in the probe cavity 26 to form a sliding cavity 34, a pulley shaft 60 capable of sliding left and right is arranged in the sliding cavity 34, the lower wall in the sliding cavity 34 is rotatably connected with a rotating shaft 36 at the right side, when the probe 29 slides right, the lower end of the pulley shaft 60 is driven to slide right in the sliding cavity 34 and is further rotatably connected with the rotating shaft 36, so that the piston 32 can be pushed to reciprocate left and right in the piston cavity 31, a switching cavity 90 is arranged at the lower end in the main body 12 and below the sliding cavity 34, a rotating member 88 is rotatably arranged at the lower wall in the switching cavity 90, a spline shaft 42 is connected to the inner end surface of the rotating member 88, and an open-close cavity 45 is communicated with the lower end surface of the main body 12 and the left end in the wall 11, the lower end of the spline shaft 42 extends downwards to the inside of the opening and closing cavity 45 and is fixedly provided with an opening and closing straight gear 43, window frames 44 which are bilaterally symmetrical and meshed with the outer circular surface of the opening and closing straight gear 43 are arranged in the opening and closing cavity 45, when the spline shaft 42 rotates, the opening and closing straight gear 43 is driven to drive the window frames 44 to slide back and forth in the opening and closing cavity 45, so that the closing state of the inside and the outside of a room can be controlled, if formaldehyde in the room exceeds the standard, the window frames 44 are opened to ventilate the inside of the room with the outside, the left side of the upper end in the wall body 11 is fixedly provided with an air pressure box 52, when the left end face of the air pressure box 52 monitors that the outside air pressure changes, if rain occurs, the air pressure changes, the window frames 44 can be controlled to be closed.

Beneficially, a dust cover 30 is fixedly arranged on the right end face of the detecting head 29, a hinge cavity 63 is arranged at the left end in the detecting head 29 and on the left of the piston cavity 31, a connecting rod 66 is hinged to the left end of the piston 32, a rotating rod 58 is rotatably arranged on the inner lower wall of the hinge cavity 63, the left end of the connecting rod 66 is hinged to one end, far away from the rotation center, of the rotating rod 58, a pulley cavity 62 is communicated with the lower wall of the hinge cavity 63, pulleys 59 are symmetrically and rotatably arranged in the pulley cavity 62, a synchronous belt 64 is wound between the pulleys 59 on the left side and the right side, and the axis of the pulley 59 on the right side is fixedly connected with the rotation center of the rotating.

Advantageously, a driving spur gear 35 is fixedly arranged at one end of the rotating shaft 36 located in the sliding cavity 34, the upper end of the pulley shaft 60 extends upwards to the left, the lower end surface of the pulley 59 is fixedly connected with the shaft center, and the lower end of the pulley shaft 60 extends downwards to the inside of the sliding cavity 34 and is fixedly provided with a pulley spur gear 61 capable of being meshed with the driving spur gear 35.

Beneficially, left wall upper end in probing head chamber 26 with the fixed spring 25 that is equipped with between probing head 29 left end face, the fixed spring stay cord 23 that is equipped with of probing head 29 left end face upside, main part 12 left just is located the left end is equipped with bevel gear chamber 19 in the wall body 11, right wall rotates in bevel gear chamber 19 and is connected with driven bevel gear 20, driven bevel gear 20 right end face is fixed and is equipped with dwang 22, dwang 22 right-hand member extends to right the left end in probing head chamber 26, be equipped with opening screw cavity 21 to the right in the dwang 22, screw cavity 21 internal thread connection have fixed connection in the screw rod 24 at probing head 29 left end face center, dwang 22 below is equipped with fixed rod chamber 17, sliding connection has fixed connection in fixed rod chamber 17 in the dead lever 15 of probing head 29 left end face.

Beneficially, the driving pulley cavity 38 is arranged below the sliding cavity 34, the driving pulley 37 is symmetrically arranged in the driving pulley cavity 38 in a left-right manner and can rotate, the driving synchronous belt 82 is arranged between the driving pulleys 37 on the left side and the right side, the lower end of the rotating shaft 36 extends downwards to the driving pulley cavity 38 and is fixedly connected to the right side of the axis of the driving pulley 37, and the spline shaft 74 is fixedly arranged on the left side of the axis of the driving pulley 37.

Beneficially, a first rotating member 16 is rotatably disposed on the lower wall in the bevel gear cavity 19, the driving bevel gear 18 engaged with the driven bevel gear 20 is fixedly disposed on the upper end of the first rotating member 16, a sliding block cavity 70 is disposed below the bevel gear cavity 19, a first rotating inner member 68 is splined to the wall 11, the lower end of the first rotating inner member 68 extends downward into the sliding block cavity 70, a sliding block 69 is splined to the outer circular surface, a first spring 71 is symmetrically and fixedly disposed between the lower end surface of the sliding block 69 and the lower wall in the sliding block cavity 70, and a first pull rope 72 is fixedly connected to the center of the lower end surface of the sliding block 69 on the left side.

Beneficially, a motor 41 is fixedly arranged on the left side of the inner lower end of the main body 12, a power cavity 14 is arranged on the left side of the motor 41 and below the driving pulley cavity 38, power rods 40 are symmetrically and dynamically connected to the left and right ends of the motor 41, the lower end of the spline shaft 74 extends downwards into the power cavity 14 and is fixedly provided with a spline bevel gear 75, a second rotating member 77 is rotatably connected to the right wall of the power cavity 14, a driven bevel gear 76 engaged with the spline bevel gear 75 is fixedly arranged on the left end of the second rotating member 77, a second rotating inner member 78 is internally splined to the second rotating member 77, the second rotating inner member 78 is internally splined to one end of the power rod 40 far away from the motor 41, electromagnetic blocks 81 are symmetrically and fixedly arranged on the upper and lower sides of the outer circular surface of the second rotating member 77, and an electromagnetic cavity 73 is fixedly arranged on the outer, a first ball bearing 80 rotationally connected with the outer circular surface of the second rotating inner member 78 is arranged in the electromagnetic cavity 73, and a second spring 79 is fixedly arranged between the right end surface of the first ball bearing 80 and the left wall in the electromagnetic cavity 73.

Advantageously, a power bevel gear 83 is fixedly arranged in the right side power rod 40 extending to the right far away from the end of the motor 41 into the switching chamber 90, a switching bevel gear 89 is symmetrically and fixedly arranged on the upper and lower sides of the outer circumferential surface of the rotating member 88 in the switching chamber 90, a spring chamber 87 is arranged on the outer circumferential surface of the rotating member 88 in the main body 12, a driving electromagnet block 85 is fixedly arranged on the upper and lower sides of the spring chamber 87 on the left side, a second ball bearing 86 is rotatably connected to the outer circumferential surface of the rotating member 88 in the spring chamber 87, a third spring 84 is fixedly arranged between the lower end surface of each of the second ball bearings 86 on the left and right sides and the lower wall of the spring chamber 87, a second pull rope 91 is fixedly arranged at the center of the lower end surface of each of the second ball bearing 86 on the right side, and a window.

Advantageously, a vacuum cavity 53 is arranged in the pneumatic box 52, a sheet metal cavity 56 is arranged on the right side of the vacuum cavity 53 in a communicating manner, a sheet metal 55 is fixedly arranged between the upper wall and the lower wall of the vacuum cavity 53 and at the limit of the left wall and the right wall of the vacuum cavity 53, a light weight rod 54 is fixedly arranged between the sheet metals 55 at the front side and the rear side, and a sheet metal pull rope 57 is fixedly connected to the center of the rear end face of the sheet metal 55 at the right side.

Beneficially, the reaction liquid cavity 47 is vertically symmetrical and is communicated with a solution port, an air inlet valve 50 is fixedly arranged on the lower side of the right wall in the reaction liquid cavity 47, a formaldehyde sensor 49 is fixedly arranged on the left wall in the reaction liquid cavity 47, and a sensor 13 is fixedly arranged at the lower end of the left side in the main body 12.

The following will describe in detail the use steps of a formaldehyde detector capable of automatically opening and closing a window with reference to fig. 1 to 6: in the initial state, the probe 29 is folded in the probe cavity 26, the piston 32 is located at the left end in the piston cavity 31, the driving spur gear 35 is separated from the pulley spur gear 61 and located at the left end in the sliding cavity 34, the sliding block 69 is located at the upper end in the sliding block cavity 70, the upper end of the spline shaft 74 is in threaded connection with the first rotating internal part 68, the left power rod 40 is in threaded connection with the second rotating internal part 78, the first ball bearing 80 is located at the left end in the electromagnetic cavity 73 and connected with the electromagnetic block 81, the third spring 84 is separated from the upper and lower side switching bevel gears 89, the second ball bearing 86 is located at the center in the spring cavity 87, the motor 41 is stopped, the vacuum cavity 53 is in a vacuum state, the reaction liquid cavity 47 is filled with formaldehyde reaction liquid, and the window frame 44 is in a closed state and further in a closed.

During monitoring, the motor 41 is started to drive the left and right power rods 40 to rotate, the right power rod 40 drives the power bevel gear 83 to rotate, at this time, the power bevel gear 83 is not engaged with the upper and lower switching bevel gears 89, the rotating member 88 is stationary, the left power rod 40 drives the second rotating internal member 78 to rotate and further drives the second rotating member 77 to drive the driven bevel gear 76 to rotate, the driven bevel gear 76 drives the spline shaft 74 to rotate by driving the engaged spline bevel gear 75, the spline shaft 74 drives the left driving pulley 37 to rotate and further drives the right driving pulley 37 to rotate by the driving timing belt 82, the right driving pulley 37 rotates the driving spur gear 35 by the rotating shaft 36, meanwhile, the upper end of the spline shaft 74 drives the first rotating internal member 68 to rotate and further drives the first rotating member 16 to rotate, the first rotating member 16 drives the engaged driven bevel gear 20 to rotate and further drives the rotating rod 22, the rotating rod 22 rotates to drive the screw rod 24 to slide rightwards to drive the detecting head 29 to be pushed out rightwards, the detecting head 29 drives the pulley shaft 60 to drive the belt pulley spur gear 61 to move rightwards in the sliding cavity 34, when the detecting head 29 moves rightwards to the limit, the spring pull rope 23 is pulled to pull the first pull rope 72 downwards to drive the sliding block 69 to drive the first rotating inner part 68 to slide downwards in the sliding block cavity 70, at the moment, the upper end of the spline shaft 74 is not connected with the inner wall of the first rotating inner part 68, the first rotating inner part 68 stops rotating, and the detecting head 29 is kept still; meanwhile, the belt wheel spur gear 61 is meshed with the driving spur gear 35, the driving spur gear 35 drives the belt wheel spur gear 61 to rotate so as to drive the belt wheel 59 to rotate through the belt wheel shaft 60, the right belt wheel 59 drives the rotating rod 58 to rotate so as to drive the piston 32 to reciprocate left and right in the piston cavity 31 through the connecting rod 66, air in a room is driven by the piston 32 to enter from the one-way valve 28 and then to be pressed into the air valve 27 at the moment, and the air enters the formaldehyde reaction liquid in the reaction liquid cavity 47 through the air valve 27 to perform the reaction of formaldehyde.

When the air collection is completed, the motor 41 starts to rotate reversely to drive the left power rod 40 to drive the first rotating member 16 to rotate reversely, the rotating rod 22 drives the detecting head 29 to slide leftwards to fold, at the same time, the reaction liquid in the reaction liquid cavity 47 reacts with formaldehyde in the air, when the concentration is higher than a set value, the formaldehyde sensor 49 starts to drive the electromagnetic block 85 to slide downwards to drive the second ball bearing 86 to slide downwards, the upper side switching bevel gear 89 is meshed with the power bevel gear 83 to drive the spline shaft 42 through the rotating member 88, the spline shaft 42 drives the window frame 44 to slide through the opening and closing straight gear 43 to open the window frame 44 to communicate with the external air, the formaldehyde sensor 49 starts to drive the electromagnetic block 85 to reset the second ball bearing 86, the switching bevel gear 89 is not meshed with the power bevel gear 83 any more, the window frame 44 keeps the open state, the sensor 13 starts to drive the electromagnetic block 81 to drive the second rotating inner member 78 to slide rightwards through, the second rotating inner member 78 is not rotated any more and the detecting head 29 is kept still, when the concentration is lower than the set value, the formaldehyde sensor 49 is not started, the window frame 44 still seals the room, the sensor 13 starts the electromagnetic block 81, and the motor 41 keeps a reverse rotation state.

When the window is opened, and outside atmospheric pressure changes, lead to atmospheric pressure to rise if it rains, then drive left side sheetmetal 55 and be pushed to the right, left side sheetmetal 55 drives right side sheetmetal 55 and then drives sheetmetal stay cord 57 through light pole 54, sheetmetal stay cord 57 drives second stay cord 91 through right side third spring 84 and goes up, and then drives and rotate the piece 88 and go up, downside switching bevel gear 89 meshes with power bevel gear 83 mutually and drives window frame 44 and close, prevent that the rainwater from getting into the room, when atmospheric pressure is normal, sheetmetal 55 resets, second ball bearing 86 resets, power bevel gear 83 no longer meshes with switching bevel gear 89.

Next time of operation, motor 41 corotation, inductor 13 start electromagnetism piece 81 and rotate the internals 78 with the second and reset, and then repeat above-mentioned step, and simultaneously, the solution after the reaction passes through downside solution mouth in the reaction liquid chamber 47 and discharges, and new reaction liquid is poured into to upside solution mouth, and formaldehyde inductor 49 starts drive electromagnetism piece 85 and drives upside switching bevel gear 89 and power bevel gear 83 mesh mutually, and then will open window frame 44 closed to reach better monitoring effect.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a formaldehyde detector of ability automatic switch window, includes the wall body, its characterized in that: the inner right side of the upper end of the wall body is fixedly provided with a main body, a reaction liquid cavity is arranged in the wall body and positioned in front of the main body, the upper end in the main body is provided with a probe cavity with a right opening, a probe capable of sliding left and right is arranged in the probe cavity, a piston cavity is arranged in the probe, the upper side and the lower side of the left wall in the piston cavity are symmetrically and fixedly provided with air valves, the upper wall and the lower wall in the piston cavity are symmetrically and fixedly provided with check valves, the upper side and the lower side of the check valves are respectively communicated with the upper end and the lower end in the probe, a piston capable of sliding left and right is arranged in the piston cavity, when the piston slides left and right in the piston cavity, air in a room can be driven to enter the piston cavity through the upper side and the lower side of the check valves and then enter the reaction liquid cavity through, and the concentration of formaldehyde, the main part is internal and with the intracavity lower wall intercommunication of detecting head has the slip chamber, be equipped with the pulley axle that can the horizontal slip in the slip chamber, the intracavity lower wall right side of sliding rotates and is connected with the axis of rotation, when the detecting head slides right, drive the pulley axle lower extreme slide right in the slip chamber and then with the axis of rotation rotates and is connected, and then can promote the piston in reciprocating motion about the piston intracavity, the main part is internal lower extreme and is located the slip chamber below is equipped with switches over the chamber, it is equipped with the rotating part to switch intracavity lower wall rotation, it has the integral key shaft to rotate the connection of intracavity spline, terminal surface just is located under the main part the wall body left end intercommunication has the chamber of opening and closing, the integral key shaft lower extreme extends downwards the switching intracavity and is fixed to be equipped with the switching spur gear, be equipped with bilateral symmetry in the, work as the integral key shaft can be through driving during the rotation the switching straight-tooth gear and then drive the window frame in the switching intracavity slides from beginning to end to can control in the room rather than outside closed condition, if formaldehyde exceeds standard in the room, then open the window frame and then carry out in the room with outside ventilation, the fixed atmospheric pressure case that is equipped with in the upper end left side in the wall body works as when outside atmospheric pressure change is monitored to atmospheric pressure case left end face, can produce the change of air pressure when raining, then can control the window frame is closed, prevents that the rainwater from getting into in the room.

2. The formaldehyde detector capable of automatically opening and closing a window according to claim 1, wherein: the utility model discloses a hinge assembly, including the detecting head, piston chamber, hinge connection, connecting rod, band pulley chamber, band pulley intracavity bilateral symmetry and rotatable band pulley, the left and right sides around being equipped with the hold-in range, right sides band pulley axle center with bull stick rotation center fixed connection.

3. The formaldehyde detector capable of automatically opening and closing a window according to claim 1, wherein: the axis of rotation is located the fixed initiative spur gear that is equipped with of slip intracavity one end, pulley shaft upper end upwards extends to the left side terminal surface axle center fixed connection under the band pulley, pulley shaft lower extreme downwardly extending slide the intracavity fixed be equipped with can with initiative spur gear engaged with band pulley spur gear.

4. The formaldehyde detector capable of automatically opening and closing a window according to claim 1, wherein: the utility model discloses a detection head intracavity left wall, including detecting head left end face, main part left end face, bevel gear intracavity right wall, dwang, fixed spring stay cord that is equipped with of detecting head left end face upside, the main part left just is located the left end is equipped with the bevel gear chamber in the wall, bevel gear intracavity right wall rotates and is connected with driven bevel gear, the fixed dwang that is equipped with of driven bevel gear right end face, the dwang right-hand member extends to right detecting head intracavity left end, be equipped with the screw rod chamber of opening right in the dwang, screw rod intracavity threaded connection have fixed connection in the screw rod at detecting head left end face center, the dwang below is equipped with the fixed rod chamber, sliding connection has fixed connection in the fixed.

5. The formaldehyde detector capable of automatically opening and closing a window according to claim 1, wherein: the driving pulley chamber that the sliding chamber below was equipped with, driving pulley intracavity bilateral symmetry and rotatable driving pulley that is equipped with, the left and right sides around being equipped with the initiative hold-in range between the driving pulley, axis of rotation lower extreme downwardly extending to driving pulley intracavity fixed connection is on the right side driving pulley axle center, left side the fixed integral key shaft that is equipped with in driving pulley axle center.

6. The formaldehyde detector capable of automatically opening and closing a window according to claim 4, wherein: the rotatable first rotating piece that is equipped with of bevel gear intracavity lower wall, first rotating piece upper end fixed be equipped with driven bevel gear engaged with's initiative bevel gear, bevel gear chamber below is equipped with the sliding block chamber, first rotating piece lower extreme downwardly extending to there is first rotating internals in the wall body spline connection, first rotating internals lower extreme downwardly extending to sliding block intracavity and outer disc spline connection have the sliding block, the sliding block under the terminal surface with bilateral symmetry just fixed first spring, the left side between the sliding block intracavity lower wall the first stay cord of terminal surface center fixedly connected with under the sliding block.

7. The formaldehyde detector capable of automatically opening and closing a window according to claim 1, wherein: a motor is fixedly arranged on the left side of the inner lower end of the main body, a power cavity is arranged on the left side of the motor and below the driving belt wheel cavity, the left end and the right end of the motor are symmetrically and dynamically connected with a power rod, the lower end of the spline shaft extends downwards into the power cavity and is fixedly provided with a spline bevel gear, the right wall in the power cavity is rotationally connected with a second rotating piece, the left end of the second rotating piece is fixedly provided with a driven bevel gear meshed with the spline bevel gear, the inner spline of the second rotating piece is connected with a second rotating internal part, the inner spline of the second rotating internal part is connected with one end of the power rod, which is far away from the motor, the upper side and the lower side of the outer surface of the second rotating internal part are symmetrically and fixedly provided with electromagnetic blocks, the outer surface of the second rotating internal part is, and a second spring is fixedly arranged between the right end surface of the first ball bearing and the left wall in the electromagnetic cavity.

8. The formaldehyde detector of claim 7, wherein the formaldehyde detector comprises: the right side the power rod is kept away from motor one end extends to right switch the intracavity and is fixed and be equipped with power bevel gear, switch the intracavity and be located it just fixedly is equipped with and switches bevel gear to rotate the bilateral symmetry about the outer disc of piece, just be located in the main part it is equipped with the spring chamber to rotate the outer disc of piece, the left side the fixed drive electromagnetism piece that is equipped with in both sides about the spring chamber, the spring intracavity just is located it rotates to rotate the outer disc of piece and is connected with second ball bearing, the left and right sides under the second ball bearing terminal surface respectively with fixed third spring that is equipped with, right side between the lower wall of spring intracavity the second ball bearing terminal surface center is fixed and is equipped with the second stay cord, the left and right.

9. The formaldehyde detector capable of automatically opening and closing a window according to claim 1, wherein: the light-weight metal sheet vacuum box is characterized in that a vacuum cavity is arranged in the air pressure box, a metal sheet cavity is communicated with the right of the vacuum cavity, metal sheets are fixedly arranged between the upper wall and the lower wall of the vacuum cavity and at the limit positions of the left wall and the right wall of the vacuum cavity, light-weight rods are fixedly arranged between the metal sheets at the front side and the rear side, and a metal sheet pull rope is fixedly connected to the center of the rear end face of the.

10. The formaldehyde detector capable of automatically opening and closing a window according to claim 1, wherein: reaction liquid intracavity longitudinal symmetry and intercommunication have the solution mouth, the fixed admission valve that is equipped with of reaction liquid intracavity right side wall downside, the fixed formaldehyde inductor that is equipped with of reaction liquid intracavity left side wall, the fixed inductor that is equipped with of main part internal left side lower extreme.