CN2493930Y - Air quality reactor - Google Patents

Abstract

The utility model relates to a reactor used for monitoring the indoor air quality, which comprises a detecting cassette and an induction control circuit, wherein, the detecting cassette is provided with a ventilation opening which is communicated with the outside air; two convex lenses used for light signals emitting and receiving respectively are arranged in the detecting cassette; the axial lines of the two lenses is of same angle; an infrared emitting diode DY is positioned at the inside focus of the light emitting lens, while an infrared receiving diode DX is arranged at the inside focus of the light receiving lens, moreover, both the infrared emitting diode DY and the infrared receiving diode DX are connected in the induction control circuit. The utility model has the advantages of small structure, convenient operation, and monitoring of the suspended particles and the harmful gas in the indoor air at any time.

Description

The air quality reactor

Technical field

The utility model relates to a kind of air quality reactor that is used for monitoring IAQ (indoor air quality).

Background technology

Along with improving constantly of living standard, people require more and more higher to the air quality in the room, but still do not have a kind of convenient and practical monitoring device at present, make people can understand indoor air quality at any time.

Summary of the invention

Technical problem to be solved in the utility model is, provide a kind of structure small and exquisite, easy to use, can monitor the suspended particulate substance in the room air and the air quality reactor of harmful gas at any time.

Air quality reactor of the present utility model comprises that a detection magazine and inductive control circuit have the ventilating opening that communicates with outside air on the detection magazine, in surveying magazine, two convex lens are installed, one of them is the light diversing lens that is used for launching light signal, another is to be used for the optical receiver lens of receiving optical signals, the axis of two lens is an angle, inboard focus place at the light diversing lens is equipped with an infrarede emitting diode DY, inboard focus place at optical receiver lens is equipped with an infrared receiving diode DX, and infrarede emitting diode DY and infrared receiving diode DX all are connected in the inductive control circuit.

It is the ic chip of LM324 that a model is arranged in the described inductive control circuit ₁(also can adopt the integrated package of other model identical with its function, as: BA10324 etc.), it has 14 pins, wherein

IC ₁4 pin directly be connected with the anodal node A of power supply; Ic chip ₁5 pin through a resistance R ₁Be connected on the anodal node A of power supply; While IC ₁5 pin also through a diode D ₁Ground connection; Above-mentioned infrared receiving diode DX is connected IC ₁5 pin and 6 pin between; At IC ₁6 pin and 7 pin between be connected with a resistance R ₂, a capacitor C is arranged ₇With resistance R ₂In parallel; IC ₁3 pin directly be connected with 7 pin; IC ₁2 pin divide two-way to connect, the one tunnel through the resistance R of serial connection successively ₃And capacitor C ₆Ground connection, the resistance R of another road through being connected in series successively ₄, capacitor C ₅And resistance R ₅Ground connection also has a capacitor C ₄With resistance R ₄In parallel; IC ₁1 pin be connected resistance R ₄With capacitor C ₅Between; IC ₁12 pin be connected capacitor C ₅With resistance R ₅Between; IC ₁14 pin and 10 pin between be serially connected with resistance R successively ₁₀With diode D ₃, also have a diode D ₄Input end be connected on resistance R ₁₀With diode D ₃Between, its output terminal is through resistance R ₁₄Ground connection; IC ₁13 pin and 10 pin between be connected with resistance R ₉, 13 pin are also through an adjustable resistance RW ground connection simultaneously; IC ₁10 pin through resistance R ₈Ground connection also has a capacitor C ₃With resistance R ₈In parallel; IC ₁9 pin through resistance R ₆Ground connection; IC ₁8 pin and 9 pin between be connected with resistance R ₇IC ₁11 ground connection.

In inductive control circuit, also has a triode Q ₁, Q ₁Emitter through resistance R ₁₁Connect on the anodal node A with power supply, the anodal node A of power supply is through capacitor C ₁Ground connection, Q ₁Emitter also through a capacitor C ₂Ground connection, Q ₁Emitter and base stage between be connected with resistance R ₁₂, Q ₁Collector be connected above-mentioned diode D through described infrarede emitting diode DY ₄With resistance R ₁₄Between, Q ₁Base stage also through a resistance R ₁₃Be connected on the node C, when the utility model used as independent product, node C is ground connection directly, and when with the supporting use of air conditioner, node C can be connected the pulse signal output end of air conditioner.

Also have a GAS gas sensor in inductive control circuit, the electrode input end of this GAS gas sensor and heating wire input end all are connected on the anodal node B of power supply, and the electrode output of GAS gas sensor is through a diode D ₂With ic chip ₁10 pin connect, the heating wire output head grounding of GAS gas sensor also is connected with resistance R between the electrode output of GAS gas sensor and heating wire output terminal ₁₅

For the air quality situation is shown intuitively, can pass through ic chip ₁8 pin connect a dichromatic LED control circuit, show the IAQ (indoor air quality) situation by variation red, green light.Also can pass through IC ₁8 pin connect an analog to digital conversion and liquid crystal display circuit, directly show the IAQ (indoor air quality) situation by LCD.

The utility model structure is small and exquisite, easy to use, can monitor suspended particulate substance and harmful gas in the room air at any time.

Description of drawings

Fig. 1 is the structural representation of detection magazine of the present utility model;

Fig. 2 is the circuit diagram of inductive control circuit of the present utility model;

Fig. 3 is a kind of dichromatic LED control circuit figure of form.

Embodiment

As shown in Figure 1, on the detection magazine 1 of wanting utility model air quality reactor, have the ventilating opening 2 that communicates with outside air, in surveying magazine, two convex lens are installed, one of them is the light diversing lens 3 that is used for launching light signal, another is to be used for the optical receiver lens 4 of receiving optical signals, inboard focus place at light diversing lens 3 is equipped with an infrarede emitting diode DY, inboard focus place at optical receiver lens 4 is equipped with an infrared receiving diode DX, and infrarede emitting diode DY and infrared receiving diode DX all are connected in the inductive control circuit.Because the axis of two lens is an angle, under the normal condition, can't be received by optical receiver lens 4 and infrared receiving diode DX through the light signal that light diversing lens 3 sends by infrarede emitting diode DY.And suspended particulate substance is more for a long time in the air, enter detection magazine 1 by ventilating opening, because suspended particulate substance random scatters effect, part optical signals can be received by optical receiver lens 4 and infrared receiving diode DX, amplifies, handles and show by inductive control circuit again.

It is the ic chip of LM324 that a model is arranged in the inductive control circuit as shown in Figure 2 ₁(also can adopt the integrated package of other model identical with its function, as: BA10324 etc.), it has 14 pins, wherein

IC ₁4 pin directly be connected with the anodal node A of power supply; Ic chip ₁5 pin through a resistance R ₁Be connected on the anodal node A of power supply; While IC ₁5 pin also through a diode D ₁Ground connection; Above-mentioned infrared receiving diode DX is connected IC ₁5 pin and 6 pin between; At IC ₁6 pin and 7 pin between be connected with a resistance R ₂, a capacitor C is arranged ₇With resistance R ₂In parallel; IC ₁3 pin directly be connected with 7 pin; IC ₁2 pin divide two-way to connect, the one tunnel through the resistance R of serial connection successively ₃And capacitor C ₆Ground connection, the resistance R of another road through being connected in series successively ₄, capacitor C ₅And resistance R ₅Ground connection also has a capacitor C ₄With resistance R ₄In parallel; IC ₁1 pin be connected resistance R ₄With capacitor C ₅Between; IC ₁12 pin be connected capacitor C ₅With resistance R ₅Between; IC ₁14 pin and 10 pin between be serially connected with resistance R successively ₁₀With diode D ₃, also have a diode D ₄Input end be connected on resistance R ₁₀With diode D ₃Between, its output terminal is through resistance R ₁₄Ground connection; IC ₁13 pin and 10 pin between be connected with resistance R ₉, 13 pin are also through an adjustable resistance RW ground connection simultaneously; IC ₁10 pin through resistance R ₈Ground connection also has a capacitor C ₃With resistance R ₈In parallel; IC ₁9 pin through resistance R ₆Ground connection; IC ₁8 pin and 9 pin between be connected with resistance R ₇IC ₁11 ground connection.

In inductive control circuit, also has a triode Q ₁, Q ₁Emitter through resistance R ₁₁Connect on the anodal node A with power supply, the anodal node A of power supply is through capacitor C ₁Ground connection, Q ₁Emitter also through a capacitor C ₂Ground connection, Q ₁Emitter and base stage between be connected with resistance R ₁₂, Q ₁Collector be connected above-mentioned diode D through described infrarede emitting diode DY ₄With resistance R ₁₄Between, Q ₁Base stage also through a resistance R ₁₃Be connected on the node C, when the utility model used as independent product, node C is ground connection directly, and when with the supporting use of air conditioner, node C can be connected the pulse signal output end of air conditioner.

Also have a GAS gas sensor in inductive control circuit, the electrode input end of this GAS gas sensor and heating wire input end all are connected on the anodal node B of power supply, and the electrode output of GAS gas sensor is through a diode D ₂With ic chip ₁10 pin connect, the heating wire output head grounding of GAS gas sensor also is connected with resistance R between the electrode output of GAS gas sensor and heating wire output terminal ₁₅Can be detected during harmful gas if contain the GAS gas sensor in the room air, resistance R ₁₅On voltage sharply raise, make the D2 conducting when reaching certain value, level signal is added in ic chip ₁10 pin on, the output level on 8 pin is increased, show by display circuit again.

For the air quality situation is shown intuitively, can pass through ic chip ₁8 pin connect a dichromatic LED control circuit 5, show the IAQ (indoor air quality) situation by variation red, green light.Also can pass through IC ₁8 pin connect an analog to digital conversion and liquid crystal display circuit 6, directly show the IAQ (indoor air quality) situation by LCD.

Claims (3)

1, a kind of air quality reactor, it is characterized in that: it comprises that one is surveyed magazine (1) and inductive control circuit, on the detection magazine, have the ventilating opening (2) that communicates with outside air, in surveying magazine, two convex lens are installed, one of them is the light diversing lens (3) that is used for launching light signal, another is to be used for the optical receiver lens (4) of receiving optical signals, the axis of two lens is an angle, inboard focus place at the light diversing lens is equipped with an infrarede emitting diode DY, inboard focus place at optical receiver lens is equipped with an infrared receiving diode DX, and infrarede emitting diode DY and infrared receiving diode DX all are connected in the inductive control circuit.

2, air quality reactor according to claim 1 is characterized in that: it is the ic chip of LM324 that a model is arranged in the described inductive control circuit ₁, it has 14 pins, wherein

IC ₁4 pin directly be connected with the anodal node A of power supply; Ic chip ₁5 pin through a resistance R ₁Be connected on the anodal node A of power supply; While IC ₁5 pin also through a diode D ₁Ground connection; Above-mentioned infrared receiving diode DX is connected IC ₁5 pin and 6 pin between; At IC ₁6 pin and 7 pin between be connected with a resistance R ₂, a capacitor C is arranged ₇With resistance R ₂In parallel; IC ₁3 pin directly be connected with 7 pin; IC ₁2 pin divide two-way to connect, the one tunnel through the resistance R of serial connection successively ₃And capacitor C ₆Ground connection, the resistance R of another road through being connected in series successively ₄, capacitor C ₅And resistance R ₅Ground connection also has a capacitor C ₄With resistance R ₄In parallel; IC ₁1 pin be connected resistance R ₄With capacitor C ₅Between; IC ₁12 pin be connected capacitor C ₅With resistance R ₅Between; IC ₁14 pin and 10 pin between be serially connected with resistance R successively ₁₀With diode D ₃, also have a diode D ₄Input end be connected on resistance R ₁₀With diode D ₃Between, its output terminal is through resistance R ₁₄Ground connection; IC ₁13 pin and 10 pin between be connected with resistance R ₉, 13 pin are also through an adjustable resistance RW ground connection simultaneously; IC ₁10 pin through resistance R ₈Ground connection also has a capacitor C ₃With resistance R ₈In parallel; IC ₁9 pin through resistance R ₆Ground connection; IC ₁8 pin and 9 pin between be connected with resistance R ₇IC ₁11 ground connection;

In inductive control circuit, also has a triode Q ₁, Q ₁Emitter through resistance R ₁₁Connect on the anodal node A with power supply, the anodal node A of power supply is through capacitor C ₁Ground connection, Q ₁Emitter also through a capacitor C ₂Ground connection, Q ₁Emitter and base stage between be connected with resistance R ₁₂, Q ₁Collector be connected above-mentioned diode D through described infrarede emitting diode DY ₄With resistance R ₁₄Between, Q ₁Base stage also through a resistance R ₁₃Be connected on the node C;

Also have a GAS gas sensor in inductive control circuit, the electrode input end of this GAS gas sensor and heating wire input end all are connected on the anodal node B of power supply, and the electrode output of GAS gas sensor is through a diode D ₂With ic chip ₁10 pin connect, the heating wire output head grounding of GAS gas sensor also is connected with resistance R between the electrode output of GAS gas sensor and heating wire output terminal ₁₅

3, air quality reactor according to claim 1 and 2 is characterized in that: at ic chip ₁8 pin on connect a dichromatic LED control circuit (5), perhaps connect an analog to digital conversion and liquid crystal display circuit (6).

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