CN210180973U - Indoor formaldehyde detection box based on electrochemical sensor - Google Patents

Abstract

The utility model relates to an indoor formaldehyde detects box based on electrochemical receptor discloses one kind and can carry out multinomial poisonous gas simultaneously and detect, and every detection channel independent control's detection box. The acquisition and detection of multiple data can be carried out simultaneously. Its characterized in that operating panel arranges the aluminum alloy box in, and two rows of air pump parallels arrange the aluminum alloy box in, and the air pump in two rows staggers mutually, the air pump is located operating panel's below, and an exhaust pump comprises at least three air pump, an extraction pipe is connected to the extraction opening of air pump, and extraction pipe one end upwards extends the operating panel, the overhead leading filter tip that has of one end of extraction pipe, an acquisition pipe is connected to the gas vent of air pump, and the acquisition pipe one end on a set of air pump is connected through leading to the pipe, leading to the pipe and gathering the pipe and being linked together, leading to the pipe on two sets of air pumps is located the relative both sides of aluminum alloy box respectively.

Description

Indoor formaldehyde detection box based on electrochemical sensor

Technical Field

The utility model relates to an indoor formaldehyde detects box based on electrochemical sensor relates to a detect box that utilizes electrochemical sensor to carry out indoor formaldehyde and detect, belongs to the environmental monitoring field. In particular to a detection box which can simultaneously detect a plurality of toxic gases and can independently control each detection channel.

Background

Formaldehyde has a great harm to human bodies, and most commonly, skin mucous membranes are contacted with formaldehyde to generate an irritation effect, for example, eyes are contacted with formaldehyde in air to cause eye conjunctiva injury, and ulcer of cornea and conjunctiva can be formed. Also, damage to the trachea, bronchi and lung tissue can cause congestion, edema and ulcer of the mucous membrane, and cough, expectoration, chest distress, asthma and dyspnea can be manifested as symptoms, and respiratory failure can be manifested in severe cases. The national standard of the people's republic of China, the sanitary Standard for Formaldehyde in the air of Living rooms, stipulates that: with the rising health consciousness, the maximum allowable concentration of formaldehyde in the air of a living room is 0.08 mg/cubic meter (0.08 mg/m 3), and some formaldehyde-removing articles are produced on the market: planting green plants, placing activated carbon, wallpaper for absorbing formaldehyde and the like, but judging whether indoor formaldehyde exceeds the standard or not, special instruments are also needed for detection, and some formaldehyde detectors such as:

1. formaldehyde self-testing box, placing the testing box in the furniture to test the formaldehyde concentration in the furniture

2. Professional indoor air quality monitoring instrument for detecting formaldehyde for formaldehyde detector

3. Formaldehyde detector household TVOC air quality self-monitoring tester

4. Model 4160-II formaldehyde analyzer (made up of American import INTEASCAN high-sensitivity formaldehyde electrochemical sensor and central processing unit, its sensitivity is 20-100 times greater than that of diffusible sensor)

The common technical principles of the above instruments are focused on: the device comprises an electrochemical sensor, a phenol reagent spectrophotometry, an imported photoelectric sensor, an acetylacetone method, a color-changing acid method (CTA method), a parafuchsin method (PRA), a potassium bromate-methine blue method and the like, has high detection equipment cost and strong use specificity, partially uses the American imported INTEASCAN high-sensitivity formaldehyde electrochemical sensor in an instrument for testing formaldehyde, can only acquire a group of data at a time, and has high cost, while a device with low cost in the prior art can be interfered by other factors to cause inaccurate measurement results when the formaldehyde content is measured.

Disclosure of Invention

In order to improve the situation, the utility model relates to an indoor formaldehyde detects box based on electrochemical receptor provides one kind and can carry out multinomial toxic gas simultaneously and detect, and every testing channel independent control's detection box. The acquisition and detection of multiple data can be carried out simultaneously.

The utility model relates to an indoor formaldehyde detects box based on electrochemical receptor is realized like this: the utility model relates to an indoor formaldehyde detection box based on electrochemical receptor comprises an aluminum alloy box body, a power switch, a touch switch, a power cord socket, a battery box cover, an air outlet, a filter box cover plate, a thermal printer, a display, an operation panel, an extraction pipe, a mounting seat, an on-off timer, an independent control switch, an air pump, a front filter tip, an acquisition pipe, a multi-way pipe, a communication pipe, a filter box, a guide pipe, a battery box, a power cord, a microprocessor, a solenoid valve, a molecular sieve and an electrochemical receptor, wherein the operation panel is arranged in the aluminum alloy box body, two rows of air pumps are arranged in the aluminum alloy box body in parallel, the air pumps in the two rows are staggered, the air pump is arranged below the operation panel, one air pump comprises at least three air pumps, the air outlet of the air pump is connected with the extraction pipe, one end of the extraction pipe extends upwards through the, the air outlet of the air pump is connected with a collecting pipe, one end of the collecting pipe on one group of air pumps is connected through a multi-way pipe, the multi-way pipe is communicated with the collecting pipe, the multi-way pipes on two groups of air pumps are respectively positioned at two opposite sides of the aluminum alloy box body, two molecular sieves are arranged in the collecting pipe, an electrochemical sensor is arranged between the two molecular sieves, one end of the collecting pipe is provided with an electromagnetic valve, a mounting seat is arranged on an operation panel, a plurality of on-off timers for controlling the on-off time of the electromagnetic valve are arranged on the mounting seat and are in one-to-one correspondence with the electromagnetic valves on the collecting pipes on the plurality of air pumps, a plurality of independent control switches for controlling the work of the air pumps are arranged on the mounting seat and are in one-to-one correspondence with the plurality of air pumps, the thermal printer is arranged on the, and be located operating panel's below, the both ends of rose box are arranged respectively in to two communicating pipe one end, and are linked together with the rose box respectively, and the other end of two communicating pipes is linked together with the multi-ported pipe on two sets of air pumps respectively, and the rose box apron is arranged in on operating panel, and corresponding with the rose box, the rose box embeds there is filter unit, filter unit is the filter screen, and rose box one side is arranged in to the contact tube, and is linked together with the rose box, the other end of contact tube is arranged in on the one end inner wall of aluminum alloy box, one end of aluminum alloy box is overhead to have the air exit, and with the corresponding intercommunication of contact tube, and rose box one side is arranged in to the battery case, and the battery case lid is arranged in operating panel, and corresponding with the battery case, the battery case embeds there is the battery, and is connected through power, The electrochemical sensor is connected with the thermal printer, the microprocessor is connected with the battery through a power line, the operation panel is provided with a power switch for controlling the on-off of the air pump and the microprocessor, the operation panel is provided with a touch switch for performing power supply safety protection, the power line socket is arranged on the operation panel, and is connected with the air pump and the microprocessor through a power cord, the top of the aluminum alloy box body is a top cover, the top cover is provided with a buckle, one side of the aluminum alloy box body is provided with a clamping seat which corresponds to the buckle, a handle is arranged on one side of the aluminum alloy box body, the molecular sieve consists of a 10X molecular sieve and a 13X molecular sieve, and the effective pore diameter of the 10X molecular sieve is 9A, the effective pore diameter of the 13X molecular sieve is 10A, the operation panel is provided with an alarm and is connected with the microprocessor through a data transmission line.

Has the beneficial effects.

The portable detection device can be driven by a power line and a battery in a double-support mode, and is convenient to carry and detect.

And secondly, the touch switch can cut off the power supply and protect the detection equipment when the box body is closed.

And thirdly, the molecular sieve is adopted for collection and filtration, so that the gas can be efficiently absorbed, and the detection is convenient.

And fourthly, the acquisition and detection of multiple data can be simultaneously carried out.

Drawings

FIG. 1 is a perspective view of an electrochemical sensor-based indoor formaldehyde testing kit according to the present invention;

FIG. 2 is a three-dimensional structure diagram of the pipeline connection of an indoor formaldehyde detection box based on an electrochemical sensor;

FIG. 3 is a schematic view of the structure inside the collection tube of the indoor formaldehyde testing box based on the electrochemical sensor of the present invention;

FIG. 4 is a schematic diagram of an electrochemical sensor-based indoor formaldehyde detection kit of the present invention;

in the attached drawings

Wherein the method comprises the following steps: the device comprises an aluminum alloy box 1, a power switch 2, a touch switch 3, a power line socket 4, a battery box cover 5, an air outlet 6, a filter box cover plate 7, a thermal printer 8, a display 9, an operation panel 10, an extraction pipe 11, a mounting seat 12, an on-off timer 13, an independent control switch 14, an air pump 15, a front filter tip 16, an acquisition pipe 17, a multi-way pipe 18, a communicating pipe 19, a filter box 20, a delivery pipe 21, a battery box 22, a power line 23, a microprocessor 24, an electromagnetic valve 25, a molecular sieve 26 and an electrochemical sensor 27.

The specific implementation mode is as follows:

the utility model relates to an indoor formaldehyde detection box based on electrochemical receptor is realized like this, by aluminum alloy box 1, switch 2, touch switch 3, power cord socket 4, battery box lid 5, air exit 6, rose box apron 7, thermal printer 8, display 9, operating panel 10, extraction pipe 11, mount pad 12, on-off timer 13, independent control switch 14, air pump 15, leading filter tip 16, acquisition pipe 17, multi-ported tube 18, communicating pipe 19, rose box 20, eduction tube 21, battery case 22, power cord 23, microprocessor 24, solenoid valve 25, molecular sieve 26 and electrochemical receptor 27 constitute, operating panel 10 arranges in aluminum alloy box 1, two rows of air pumps 15 arrange in aluminum alloy box 1 in parallel, and the air pump 15 in two rows staggers mutually, the air pump 15 is located the below of operating panel 10, an air pump 15 comprises at least three air pumps 15, the air pump 15 is characterized in that an air suction port is connected with an extraction pipe 11, one end of the extraction pipe 11 extends upwards to extend through the operation panel 10, a front filter tip 16 is arranged at one end of the extraction pipe 11, an air exhaust port of the air pump 15 is connected with a collection pipe 17, one end of the collection pipe 17 on one group of air pump 15 is connected with the collection pipe 18 through a multi-way pipe 18, the multi-way pipes 18 and the collection pipe 17 are communicated, the multi-way pipes 18 on two groups of air pumps 15 are respectively positioned at two opposite sides of the aluminum alloy box 1, two molecular sieves 26 are arranged in the collection pipe 17, an electrochemical sensor 27 is arranged between the two molecular sieves 26, an electromagnetic valve 25 is arranged at one end of the collection pipe 17, the mounting seat 12 is arranged on the operation panel 10, a plurality of on-off timers 13 for controlling the time of the electromagnetic valves 25 are arranged on the mounting seat 12 and are, the mounting seat 12 is provided with a plurality of independent control switches 14 for controlling the air pumps 15 to work and corresponds to the air pumps 15 one by one, the thermal printer 8 is arranged on the operating panel 10 and is adjacent to the mounting seat 12, the display screen is arranged on the operating panel 10, the filter box 20 is arranged in the aluminum alloy box 1 and is positioned below the operating panel 10, one ends of two communicating pipes 19 are respectively arranged at two ends of the filter box 20 and are respectively communicated with the filter box 20, the other ends of the two communicating pipes 19 are respectively communicated with the multi-way pipes 18 on the two groups of air pumps 15, the filter box cover plate 7 is arranged on the operating panel 10 and corresponds to the filter box 20, the filter box 20 is internally provided with a filter component which is a filter screen, the outlet pipe 21 is arranged on one side of the filter box 20 and is communicated with the filter box 20, and the other end of the outlet pipe 21 is arranged on the inner wall of one, an air outlet 6 is arranged at one end of the aluminum alloy box 1 and is correspondingly communicated with an eduction tube 21, a battery box 22 is arranged at one side of a filter box 20, a battery box cover 5 is arranged on an operation panel 10 and is corresponding to the battery box 22, a battery is arranged in the battery box 22 and is connected with two air exhaust pumps 15 through a power line 23, a microprocessor 24 is arranged in the aluminum alloy box 1 and is connected with a display screen, an electrochemical sensor 27 and a thermal printer 8 through a data transmission line, the microprocessor 24 is connected with the battery through a power line 23, a power switch 2 for controlling the on-off of the air pump 15 and the microprocessor 24 is arranged on the operation panel 10, a touch switch 3 for performing power supply safety protection is arranged on the operation panel 10, a power line socket 4 is arranged on the operation panel 10 and is connected with the air pump 15 and the microprocessor 24 through the power line 23, and the top of the aluminum, the top cover is provided with a buckle, one side of the aluminum alloy box 1 is provided with a clamping seat and corresponds to the buckle, one side of the aluminum alloy box 1 is provided with a handle, the molecular sieve 26 consists of a 10X molecular sieve 26 and a 13X molecular sieve 26, the effective aperture of the 10X molecular sieve 26 is 9A, the effective aperture of the 13X molecular sieve 26 is 10A, and the operating panel 10 is provided with an alarm and is connected with the microprocessor 24 through a data transmission line.

When in use, when in detection of poisonous gas, the box cover of the aluminum alloy box 1 is opened, then the power switch 2 is opened, the whole detection box is electrified, the corresponding independent control switch 14 is opened according to the detected poisonous gas to enable the corresponding air pump 15 to start working, the on-off timer 13 is set one by one for setting the on-off time of the electromagnetic valve 25 on the corresponding sampling tube, the time corresponding to different gas detection samples is different, the air pump 15 extracts the external gas through the extraction tube 11, the external gas enters the extraction tube 11 after being filtered by the front end filter tip and then enters the sampling tube through the exhaust port on the air pump 15, the molecular sieve 26 in the sampling tube adsorbs the poisonous gas in the gas, the gas stays in the sampling tube for a longer time, the electrochemical sensor 27 detects the concentration of the poisonous gas in the sampling tube and transmits the detected signal to the microprocessor 24, the microprocessor 24 carries out data processing according to a computer readable storage medium stored inside to obtain a toxic gas concentration value, the microprocessor 24 transmits the concentration value to the display 9 for displaying, and controls the thermal printer 8 to print the toxic gas concentration value for watching, when the concentration value exceeds a safety value, the microprocessor 24 controls the alarm to give an alarm, the extracted gas enters the filter box 20 through the multi-way pipe 18 and the communicating pipe 19, is filtered by the filter box 20 and then is discharged to the outside through the delivery pipe 21 and the air outlet 6;

the device can simultaneously detect the concentration of multiple toxic gases, and each detection channel is independently controlled and cannot influence each other;

the touch switch 3 can control the power-off of the detection box to carry out safety protection when the box cover of the aluminum alloy box 1 is closed;

the power line socket 4 can be used for plugging in the battery in a non-electric state;

the molecular sieve 26 consists of a 10X molecular sieve 26 and a 13X molecular sieve 26, the effective pore diameter of the 10X molecular sieve 26 is 9A, the effective pore diameter of the 13X molecular sieve 26 is 10A, and the main components of harmful gases in the air are formaldehyde, benzene, ammonia, toluene, xylene and TVOC. The diameter of the formaldehyde is 0.45 nm; benzene was 0.58 nm; ammonia is 0.444 nanometers; toluene is 0.60 nm, the molecular sieve 26 has the characteristic that the molecular sieve 26 absorbs all molecules with smaller aperture, the closer the molecular diameter is to the diameter of the molecular sieve 26 aperture, the stronger the adsorptivity is, and the adsorbability to polar molecules is stronger than the adsorbability polarity of non-polar molecules;

the microprocessor 24 and the electrochemical receptor 27 are in information interaction, and a computer readable storage medium is stored in the data processor;

the computer readable storage medium when executed performs the steps of: carrying out data processing on the received toxic gas concentration signal, transmitting the processed toxic gas concentration value to a display 9 for displaying, controlling a thermal printer 8 to print the concentration value, comparing the concentration value with a safety value, and controlling an alarm to give an alarm by a microprocessor 24 when the concentration value exceeds the safety value;

the display 9 can display the detected toxic gas concentration value and performs information interaction with the microprocessor 24;

the alarm can carry out voice alarm reminding;

the microprocessor 24 is comprised of processing components and memory

The processing components control overall operation of the microprocessor 24, such as display, telephone calls, data communications, camera operations and recording operations associated operations;

the processing components may include one or at least two processors to execute instructions to perform all or part of the steps of the above-described methods

The memory is configured to store various types of data to support the operation of the data processing apparatus.

The memory may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power supply provides power to the various components of the data processing apparatus. The power supply may include a power management system, one or at least two power supplies, and other components associated with generating, managing, and distributing power for the data processing device.

The aim of simultaneously detecting multiple toxic gases is achieved, and each detection channel is independently controlled.

In practice, the microprocessor 24 and electrochemical susceptor 27 are standard parts in general or parts known to those skilled in the art, the structure and principle of which are known to the skilled person in the technical manual or by routine experimentation.

The microprocessor 24 and electrochemical susceptor 27 are not limited to a particular make and model, and are commercially available in their entirety as mature products, and thus the present invention need not be described with respect to the specific configuration and shape of the microprocessor 24 and electrochemical susceptor 27. The utility model discloses need not explain to this, need explain, microprocessor 24 loaded computer program, not the utility model discloses an in the protection scope, the utility model discloses do not protect computer program, using the utility model discloses a time, all computer programs all need the extra loading of technical field personnel, according to the utility model discloses, certain step can be gone on in proper order or go on simultaneously.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (5)

1. An indoor formaldehyde detection box based on an electrochemical sensor is characterized in that: the device is composed of an aluminum alloy box body, a power switch, a touch switch, a power line socket, a battery box cover, an air outlet, a filter box cover plate, a thermal printer, a display, an operation panel, an extraction pipe, a mounting seat, an on-off timer, an independent control switch, an air pump, a front filter tip, an acquisition pipe, a multi-way pipe, a communication pipe, a filter box, a guide pipe, a battery box, a power line, a microprocessor, an electromagnetic valve, a molecular sieve and an electrochemical sensor, wherein the operation panel is arranged in the aluminum alloy box body, two rows of air pumps are arranged in the aluminum alloy box body in parallel, the air pumps in the two rows are staggered, the air pump is positioned below the operation panel, the air outlet of the air pump is connected with the extraction pipe, one end of the extraction pipe extends upwards to pass through the operation panel, the front filter tip is arranged at one end of the extraction pipe, the, the multi-way pipe is communicated with the collecting pipe, the multi-way pipes on the two groups of air pumps are respectively positioned at two opposite sides of the aluminum alloy box body, two molecular sieves are arranged in the collecting pipe, an electrochemical sensor is arranged between the two molecular sieves, an electromagnetic valve is arranged at one end of the collecting pipe, the mounting seat is arranged on the operation panel, a plurality of on-off timers for controlling the on-off time of the electromagnetic valve are arranged on the mounting seat and are in one-to-one correspondence with the electromagnetic valves on the collecting pipes on the plurality of air pumps, a plurality of independent control switches for controlling the work of the air pumps are arranged on the mounting seat and are in one-to-one correspondence with the plurality of air pumps, the thermal printer is arranged on the operation panel and is adjacent to the mounting seat, the display screen is arranged on the operation panel, the filter box is arranged in the aluminum alloy box body and is positioned below the operation panel, the other ends of the two communicating pipes are respectively communicated with the multi-way pipes on the two groups of air pumps, the filter box cover plate is arranged on the operation panel and corresponds to the filter box, the delivery pipe is arranged on one side of the filter box and is communicated with the filter box, the other end of the delivery pipe is arranged on the inner wall of one end of the aluminum alloy box body, one end of the aluminum alloy box body is provided with an air outlet which is correspondingly communicated with the delivery pipe, the battery box is arranged on one side of the filter box, the battery box cover is arranged on the operation panel and corresponds to the battery box, a battery is arranged in the battery box and is connected with the two air exhaust pumps through a power line, the microprocessor is arranged in the aluminum alloy box body and is connected with the display screen, the electrochemical sensor and the thermal printer through a data transmission line, the microprocessor is connected with the battery, the operating panel is provided with a touch switch for power supply safety protection, a power line socket is arranged on the operating panel and is connected with the air pump and the microprocessor through a power line, the top of the aluminum alloy box body is a top cover, one side of the aluminum alloy box body is provided with a handle, and the operating panel is provided with an alarm and is connected with the microprocessor through a data transmission line.

2. The electrochemical receptor-based indoor formaldehyde detecting box according to claim 1, wherein one row of the air pumps is composed of at least three air pumps.

3. The electrochemical receptor-based indoor formaldehyde detecting box according to claim 1, wherein the filtering box is provided with a filtering component inside, and the filtering component is a filtering net.

4. The electrochemical receptor-based indoor formaldehyde detecting box according to claim 1, wherein the molecular sieve is composed of a 10X molecular sieve and a 13X molecular sieve, and the effective pore size of the 10X molecular sieve is 9A, and the effective pore size of the 13X molecular sieve is 10A.

5. The electrochemical receptor-based indoor formaldehyde detection box according to claim 1, wherein a top cover of the aluminum alloy box body is provided with a buckle, and one side of the aluminum alloy box body is provided with a clamping seat corresponding to the buckle.

Images