CN207471761U - A kind of window air exhausting device exceeded interior prevention VOC - Google Patents

Abstract

The utility model discloses a kind of exceeded window air exhausting devices of indoor prevention VOC, including window frame and VOC detection devices, it is fitted into be equipped in the middle part of flow guide bar ontology both ends in the through-hole that opposite position is set between a pair of fixed strip and is welded with fixing axle, the tooth socket engagement private of con-rod only top side cutting takes the gear of motor drive terminal connection, the private takes motor in the installation position in the middle part of window frame head plate, it is equipped in the first wind turbine and lower part mounting bracket in the upper lateral part mounting bracket far from flow guide bar inside the window frame body and the second wind turbine is installed, wind transducer is installed in mounting bracket between first wind turbine and the second wind turbine, the protective cover side of the window frame roof installation is equipped with VOC detection devices.Window air exhausting device exceeded interior prevention VOC can adjust the work of different wind turbines according to practical VOC concentration, energy saving while exhaust conditions are met.

Description

A kind of window air exhausting device exceeded interior prevention VOC

Technical field

The utility model belongs to air exhausting device technical field, and in particular to window air draft exceeded a kind of interior prevention VOC Device.

Background technology

VOCs is the english abbreviation of volatile organic compounds (volatile organic compounds).Its definition has Several kinds, for example, VOC is defined as any to participate in organising for atmospheric photochemical reaction by U.S.'s ASTM D3960-98 standards Close object.The definition of Environmental Protection Administration of the United States Federal (EPA)：Volatile organic compounds is except CO, CO2, H2CO3, metal carbides, gold Belong to outside carbonate and ammonium carbonate, any carbon compound for participating in atmospheric photochemical reaction.The World Health Organization (WHO, 1989) is right The definition of total volatile organic compounds (TVOC) is that fusing point is less than room temperature and volatility of the boiling point between 50~260 DEG C has The general name of machine compound.Indoor VOC concentration has harmful effect when higher to health.

Air draft or exhaust apparatus on the market is only set there are one wind turbine, and short time row can not be met when VOC concentration is high The effect of gas and capacity is big when VOC concentration is low, wastes electric power.Outside air is easily from air exhausting device when Indoor Air forces down It is got in gas passage, the pollutant of carrying will be assembled indoors, influence the health of human body, while to indoor VOC concentration Particulate matter in the device air being detected will have an impact testing result, while inner wall attachment is used for a long time in sampler Pollutant it is not easy to clean, can also influence testing result.

Utility model content

It is above-mentioned to solve the purpose of this utility model is to provide a kind of exceeded window air exhausting devices of indoor prevention VOC The problem of being proposed in background technology.

To achieve the above object, the utility model provides following technical solution：A kind of window row exceeded interior prevention VOC Wind apparatus, including window frame and VOC detection devices, the window frame body inner wall side goes out close to outer rim is erected by bolt It is straight to be fixed with fixed strip, it is fitted into the through-hole that opposite position is set between a pair of fixed strip and flow guide bar ontology two is installed End middle part is welded with fixing axle, and the flow guide bar passes through pin in the mounting hole that the side of window lower portion is set Connecting rod is connected, the tooth socket engagement private of con-rod only top side cutting takes the gear of motor drive terminal connection, the private clothes Motor is mounted in the installation position in the middle part of window frame head plate, the upper lateral part far from flow guide bar inside the window frame body It is equipped in mounting bracket in the first wind turbine and lower part mounting bracket and the second wind turbine is installed, between first wind turbine and the second wind turbine Mounting bracket in wind transducer is installed, the protective cover side of the window frame roof installation is equipped with VOC detection devices.

Preferably, the window frame head plate side cutting has the through-hole passed through for connecting rod.

Preferably, the private takes in the window frame head plate installation position of motor body side and is equipped with relay, the private It takes motor and window frame is mounted on inside protective cover.

Preferably, the outside of the window frame body far from flow guide bar side has been bolted kuppe, described The exhaust outlet direction of water conservancy diversion cover body setting is welded with steel separation net straight down and in exhaust outlet.

Preferably, the VOC detection devices include microcomputer, Optochemical sensor, air pump, filter cartridge and sampling Pipe, the microcomputer are mounted in crust of the device interior side mounting bracket, and the microcomputer ontology side is equipped with Optochemical sensor, the Optochemical sensor sampling room connect air pump gas outlet, the air pump connection sampling by gas-guide tube Filter cartridge is installed in the middle part of the gas-guide tube of pipe.

Preferably, the gas tank of the air pump connects probe tube by tracheal pressure, and electricity is equipped in the middle part of the tracheal pressure Magnet valve, the Optochemical sensor sampling room pass through thin tracheae communication apparatus housing exterior.

The technique effect and advantage of the utility model：Window air exhausting device exceeded interior prevention VOC, passes through microcomputer Calculation machine controls the first wind turbine or the second blower fan work according to VOC concentration, realizes energy saving, adapts under different VOC concentration The single wind turbine of exhaust work cannot meet indoor exhaust work under different VOC concentration, waste electric power；When passing through wind transducer Carve detection airflow direction, realize the effect for preventing external air flow from pouring in down a chimney, when room pressure is less than ambient pressure outside air to Indoor moveable easily brings extraneous VOC into interiors, influences indoor environment, wind transducer detection in opposite directions to during interior by microcomputer Calculation machine control flow guide bar is closed, and closes exhaust passage；Pass through the gas tank of particle and air pump in filter cartridge filtered sample gas It is cleaned to probe tube release high pressure gas, the raising of VOC detection reliabilitys is realized, reduces in gas and carry particle The influence of object and sampling inside pipe wall attachment impurity to testing result.

Description of the drawings

Fig. 1 is the diagrammatic cross-section of the utility model；

Fig. 2 is the VOC detection device diagrammatic cross-sections of the utility model；

Fig. 3 is the circuit connection diagram of the utility model.

In figure：1 window frame, 2 first wind turbines, 3 second wind turbines, 4 kuppes, 5 wind transducers, 6 flow guide bars, 7 connecting rods, 8 fixed strips, 9 privates take motor, 10 relays, 11VOC detection devices, 111 microcomputers, 112 Optochemical sensors, 113 gas Pump, 114 filter cartridges, 115 probe tubes, 12 protective covers.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

Referring to Fig. 1, Fig. 1 is the diagrammatic cross-section of the utility model, window air draft dress exceeded a kind of interior prevention VOC It puts, wherein, including window frame 1 and VOC detection devices 11, the 1 inner body wall side of window frame goes out to pass through close to outer rim Bolt is vertically fixed fixed strip 8, and the fixed strip 8 fixes flow guide bar 6, is horizontally mounted more flow guide bars 6；It is a pair of described solid Determine to be fitted into the through-hole that opposite position is set between item 8 to be equipped in the middle part of 6 ontology both ends of flow guide bar and be welded with fixing axle, The flow guide bar 6 controls gas passing area, controls extraction flow；Side setting of the flow guide bar 6 inside window frame 1 Connecting rod 7 is connected by pin in mounting hole, the movement of the connecting rod 7 control flow guide bar 6 rotates, and gas passing area is controlled, so as to control Capacity；1 top plate side of the window frame cutting has the through-hole passed through for connecting rod 7,7 body upper part side of the connecting rod cutting Tooth socket engagement private take the gear that motor 9 drives end connection, the private takes 9 job control connecting rod of motor, 7 displacement；The private Motor 9 is taken in the installation position in the middle part of 1 top plate of window frame, the private takes 1 top plate of window frame of 9 ontology side of motor Relay 10 is installed, the relay 10 controls private to take motor 0 and works in installation position；The private takes motor 9 and window frame 1 Inside protective cover 12, the protective cover 12 protects private to take motor 9 and relay 10；1 body interior of window frame It is equipped in the first wind turbine 2 and lower part mounting bracket in a upper lateral part mounting bracket far from flow guide bar 6 and the second wind turbine 3 is installed, institute It states the first wind turbine 2 and the work of the second wind turbine 3 is exhausted；It is installed in mounting bracket between first wind turbine, 2 and second wind turbine 3 There is wind transducer 5, the wind transducer 5 detects airflow direction；12 side of protective cover that 1 top of window frame is installed VOC detection devices 11 are installed, the VOC detection devices 11 detect indoor VOC concentration；1 ontology of window frame is separate to lead The outside of 6 side of stream item has been bolted kuppe 4, and the kuppe 4 controls discharge directions, makes airflow direction downward, External impurities or rainwater is avoided to pour in down a chimney；It welds straight down and in exhaust outlet in the exhaust outlet direction of 4 ontology of the kuppe setting It connects and is fixed with steel separation net.

Referring to Fig. 2, Fig. 2 is the VOC detection device diagrammatic cross-sections of the utility model.The VOC detection devices 11 are wrapped Include microcomputer 111, Optochemical sensor 112, air pump 113, filter cartridge 114 and probe tube 115, the microcomputer 111 are mounted in crust of the device interior side mounting bracket, and the microcomputer 111 carries out data processing, comparison and to it Its component is controlled；The 111 ontology side of microcomputer is equipped with Optochemical sensor 112, the optochemical sensor Device 112 detects VOC content in gas sampled；112 sampling room of Optochemical sensor connects 113 outlet of air pump by gas-guide tube Mouthful, the air pump 113 generates suction and sucks outside air；The air pump 113 is connected and is installed in the middle part of the gas-guide tube of probe tube 115 There is a filter cartridge 114,114 inside of filter cartridge is multistorey strainer mesh, the particle in filtered sample gas；The gas of the air pump 113 Tank connects probe tube 115 by tracheal pressure, and the probe tube 115 is glass tube；Electromagnetism is installed in the middle part of the tracheal pressure Valve, the gas in the solenoid valve control gas tank are discharged into probe tube 115, the solenoid valve by be oriented to be electrically connected it is miniature Computer 111；112 sampling room of Optochemical sensor passes through thin tracheae communication apparatus housing exterior.

Referring to Fig. 3, Fig. 3 is the circuit connection diagram of the utility model.The microcomputer 111 is connected by power cord External power supply, the microcomputer 111 are electrically connected air pump 113 by conducting wire, and the microcomputer 111 is by being oriented to electricity Property connection relay 10, the microcomputer 111 pass through conducting wire be electrically connected wind transducer 5, the microcomputer 111 First wind turbine 2 is electrically connected by conducting wire, the microcomputer 111 is electrically connected the second wind turbine 3, the air pump by conducting wire 113 are electrically connected Optochemical sensor 112 by conducting wire, and the relay 10 is electrically connected private by conducting wire and takes motor 9.

Operation principle：Window frame 1 is installed to pre-position just to install whole device, is connected by power cord Microcomputer 111 is connect, microcomputer 111 controls 113 timing working of air pump by the program being written in advance, passes through probe tube 115 take a certain amount of sample gas from the external world, sample gas by the filtering of filter cartridge 114 enter inside Optochemical sensor 112 into Row VOC Concentration Testings, microcomputer 111 controls the gas tank of air pump 113 to 115 jet of probe tube after side detection is completed, If VOC concentration over-standards, microcomputer 111 first controls the energization of relay 10 that private is made to take motor 9 and works, so as to revolve flow guide bar 6 Turn to make gas that can pass through, the first wind turbine 1 and the second wind turbine 2 is controlled to work and be exhausted later, gas is made by the guiding of kuppe 4 Wind direction is downward, and data are conveyed to microcomputer 111, if wind direction is to interior by 5 moment of wind transducer detection airflow direction Microcomputer 111, which controls private to take the work of motor 9 and move up connecting rod 7, is closed gap between flow guide bar 6, so as to make gas Face is closed, and is reduced extraneous air and is poured in down a chimney.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. window air exhausting device exceeded a kind of interior prevention VOC, special including window frame (1) and VOC detection devices (11) Sign is：Window frame (1) the inner body wall side goes out close to outer rim is vertically fixed fixed strip (8) by bolt, a pair of It is fitted into be equipped in the middle part of flow guide bar (6) ontology both ends in the through-hole that opposite position is set between the fixed strip (8) and weld admittedly Surely there is fixing axle, the flow guide bar (6) is connected in the mounting hole of the internal side setting of window frame (1) by pin to be connected Bar (7), the tooth socket engagement private of connecting rod (7) the body upper part side cutting take the gear of motor (9) driving end connection, the private Motor (9) is taken in the installation position in the middle part of window frame (1) top plate, window frame (1) body interior is far from water conservancy diversion It is equipped in the first wind turbine (2) and lower part mounting bracket in one upper lateral part mounting bracket of item (6) and the second wind turbine (3) is installed, it is described Wind transducer (5), window frame (1) top are installed in the mounting bracket between the first wind turbine (2) and the second wind turbine (3) Protective cover (12) side of installation is equipped with VOC detection devices (11).

2. window air exhausting device exceeded a kind of indoor prevention VOC according to claim 1, it is characterised in that：The window The cutting of formula frame (1) top plate side has the through-hole passed through for connecting rod (7).

3. window air exhausting device exceeded a kind of indoor prevention VOC according to claim 1, it is characterised in that：The private Take and relay (10) be installed in window frame (1) mounting of roof plate position of motor (9) ontology side, the private take motor (9) and Window frame (1) is internal mounted on protective cover (12).

4. window air exhausting device exceeded a kind of indoor prevention VOC according to claim 1, it is characterised in that：The window Outside of formula frame (1) ontology far from flow guide bar (6) side has been bolted kuppe (4), kuppe (4) ontology The exhaust outlet direction of setting is welded with steel separation net straight down and in exhaust outlet.

5. window air exhausting device exceeded a kind of indoor prevention VOC according to claim 1, it is characterised in that：The VOC Detection device (11) includes microcomputer (111), Optochemical sensor (112), air pump (113), filter cartridge (114) and sampling It manages (115), the microcomputer (111) is in crust of the device interior side mounting bracket, the microcomputer (111) Ontology side is equipped with Optochemical sensor (112), and Optochemical sensor (112) sampling room connects air pump by gas-guide tube (113) gas outlet, the gas-guide tube middle part of air pump (113) the connection probe tube (115) are equipped with filter cartridge (114).

6. window air exhausting device exceeded a kind of indoor prevention VOC according to claim 5, it is characterised in that：The gas The gas tank for pumping (113) connects probe tube (115) by tracheal pressure, and solenoid valve, the light are equipped in the middle part of the tracheal pressure Chemical sensor (112) sampling room passes through thin tracheae communication apparatus housing exterior.