CN213986284U

CN213986284U - Portable anion detector

Info

Publication number: CN213986284U
Application number: CN202022954638.2U
Authority: CN
Inventors: 蔡兴琴; 吴子满; 滕振壮
Original assignee: Zhengzhou Guorong Environmental Protection Technology Co ltd
Current assignee: Zhengzhou Guorong Environmental Protection Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-17
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a portable anion detector, which comprises a housin, the upper surface of casing is provided with polar plate and transparent window, the lower surface of casing is provided with the bottom plate, the side of casing is provided with the breach, inside circuit board and the battery of being provided with of casing, be provided with liquid crystal display and TYPE-C interface on the circuit board, liquid crystal display is located below the transparent window of casing upper surface, TYPE-C interface is located the breach of casing, it is connected with the circuit board with the bottom plate to go up the polar plate, the battery is the circuit board power supply. The utility model discloses small in size, portable can test the anion content of the position of locating at any time, convenient convenience, the practicality, measured data is directly perceived.

Description

Portable anion detector

Technical Field

The utility model belongs to the technical field of anion detection equipment technique and specifically relates to a portable anion detector is related to.

Background

Experts in medical field and environmental science at home and abroad have proved that negative ions with proper concentration in the air are beneficial to human healthThe anion generator has great influence on the living environment, the anion concentration in the air of places with less pollution such as forests, seas, waterfalls and suburbs is higher, people can feel that the air is fresh and smooth to breathe, and the anion generator can play the roles of eliminating fatigue, promoting sleep, promoting appetite, stretching and preventing cardiovascular and cerebrovascular diseases and the like on human bodies, but along with the development of urbanization and industrialization, the expansion of cement forests and the reduction of green vegetation lead to the fact that the anion concentration in the air is lower and lower, and in cities, the anion concentration in a closed air-conditioning room is less than 100/cm³The health of human body is threatened in many aspects, and various devices for generating negative ions are increasingly on the market in order to improve the air quality and increase the concentration of the negative ions in the air.

However, the current various negative ion detection instruments are relatively professional, and the test results are also accurate, but the negative ion detection instruments have the defects of huge size and inconvenience for carrying.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at prior art's is not enough, provides a portable anion detector, small in size, portable can test the anion content of the position of locating at any time, and is convenient, practical, measured data is directly perceived.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a portable anion detector, includes the casing, the upper surface of casing is provided with polar plate and transparent window, the lower surface of casing is provided with the bottom plate, the side of casing is provided with the breach, inside circuit board and the battery of being provided with of casing, be provided with liquid crystal display and TYPE-C interface on the circuit board, liquid crystal display is located below the transparent window of casing upper surface, TYPE-C interface is located the breach of casing, it is connected with the circuit board with the bottom plate to go up the polar plate, the battery is the circuit board power supply.

Furthermore, the upper polar plate and the lower polar plate are metal plates, and the surfaces of the upper polar plate and the lower polar plate are polished.

Further, the upper pole plate and the lower pole plate are made of stainless steel.

Furthermore, the area of the upper polar plate is smaller than that of the lower polar plate.

Furthermore, a microprocessor and a signal amplifying circuit are arranged on the circuit board.

Further, the type of the microprocessor is Atmel SAMD21, and the microprocessor is based on an ARM Cortex-M0+ architecture.

Further, the battery is two button type rechargeable lithium batteries connected in parallel.

Further, the voltage of the button type rechargeable lithium battery is 3 v.

The utility model relates to a portable anion detector, an upper polar plate and a lower polar plate are flat plate type anion sensors, wherein the lower polar plate is a flat plate type negative ion collector, when in use, the upper polar plate is pressed by hands, the human body is used as a grounding electrode, after the negative ions are collected on the lower polar plate, a weak voltage difference exists between the circuit board and the upper polar plate, an amplifying circuit on the circuit board carries out differential amplification on weak voltage signals, then the signals are subjected to filtering and noise reduction treatment, smooth imitation voltage signals are input, the digital signal generated by A \ D conversion is convenient for the microprocessor to process, the microprocessor analyzes and processes the signal inlet water, removes the violent jump signal, and averaging the signals obtained by multiple measurements, then obtaining the concentration value of negative ions in the air by using a voltage-concentration comparison table stored in a memory, and sending a signal to the liquid crystal display screen to display the concentration value on the liquid crystal display screen.

The utility model discloses a portable anion detector, battery adopt but button rechargeable lithium cell, and its TYPE-C interface is used for charging to button lithium cell.

The utility model has the advantages that:

1. the utility model discloses a portable anion detector, small in size, convenient to use, data processing is fast, and the result visual display.

2. The utility model discloses a portable anion detector adopts flat difference ion mobility spectrometry theory and flat detector, produces more easily than the tubular detector, and is miniaturized, and the cost is lower, easily uses widely.

3. The utility model discloses a portable anion detector adopts the microprocessor of ultra-low power consumption, can let the utility model discloses a long-term standby of equipment and use avoid the awkwardness that can not be measured of electroless very fast.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention.

Fig. 2 is a circuit block diagram of the present invention.

In the figure: the display device comprises a shell 1, a transparent window 2, an upper polar plate 3, a lower polar plate 4, a 5-TYPE-C interface, a circuit board 6, a liquid crystal display 7, a microprocessor 8, a signal amplifying circuit 9 and a battery 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1, a portable anion detector comprises a casing 1, wherein an upper pole plate 3 and a transparent window 2 are arranged on the upper surface of the casing 1, a lower pole plate 4 is arranged on the lower surface of the casing 1, the upper pole plate 3 and the lower pole plate 4 are made of stainless steel, the surface is polished, the area of the upper pole plate 3 is smaller than that of the lower pole plate 4, a notch is arranged on the side surface of the casing 1, a circuit board 6 and a battery 10 are arranged inside the casing 1, a liquid crystal display 7 and a TYPE-C interface 5 are arranged on the circuit board 6, the liquid crystal display 7 is arranged below the transparent window 2 on the upper surface of the casing 1, the TYPE-C interface 5 is arranged in the notch of the casing 1, a microprocessor 8 and a signal amplification circuit 9 are arranged on the circuit board 6, the model of the microprocessor 8 is Atmel SAMD21, and based on ARM-M0 + architecture, the upper polar plate 3 and the lower polar plate 4 are connected with the circuit board 6, the battery 10 is two parallel-connected 3V button type rechargeable lithium batteries, and the battery 10 supplies power for the circuit board 6.

The utility model discloses a portable anion detector, based on flat ion difference formula analysis principle, add the radio frequency electric field of asymmetric waveform on one of them flat board promptly, another piece ground connection (pressing with the hand promptly), anion in the air is except moving at the air current direction, still can be under the effect of high frequency electric field the motion of vibrating about doing in the direction with carrier gas direction vertically. Because the mobility of ions in high and low fields are different, in each period of the high-frequency electric field, the negative ions can generate a displacement deltay in the vertical direction, the ions can hit the polar plate and be annihilated after a plurality of periods, if a matched compensation voltage is applied to the high-frequency electric field, the total displacement s of the negative ions in the y direction is smaller than the distance from the initial position to the polar plate, so that the ions can pass through the migration region and reach the offset region, different sample ions can pass through the migration region under a specific compensation voltage by scanning the compensation voltage in a certain range and then enter the offset region, the migration spectrogram obtained by the method can be used for identifying the sample after being represented by standard substances, a direct current electric field is applied to a polar plate in the offset region, the negative ions can shift under the common left and right of the electric field and the flow field, the offset electric field is scanned, negative ions of different mobilities can enter the detection area through the channel to be detected.

The utility model discloses a portable anion detector, in order to obtain comparatively accurate result, clean last polar plate and bottom plate before the measurement, get rid of the dust and the greasy dirt on surface, can improve sensitivity, obtain comparatively accurate measuring result.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A portable anion detector which is characterized in that: including casing (1), the upper surface of casing (1) is provided with polar plate (3) and transparent window (2), the lower surface of casing (1) is provided with down polar plate (4), the side of casing (1) is provided with the breach, inside circuit board (6) and battery (10) of being provided with of casing (1), be provided with liquid crystal display (7) and TYPE-C interface (5) on circuit board (6), liquid crystal display (7) are located below casing (1) upper surface transparent window (2), TYPE-C interface (5) are located the breach of casing (1), go up polar plate (3) and down polar plate (4) and be connected with circuit board (6), battery (10) are circuit board (6) power supply.

2. The portable negative ion detector of claim 1, wherein: the upper polar plate (3) and the lower polar plate (4) are metal plates, and the surfaces of the metal plates are polished.

3. The portable negative ion detector of claim 2, wherein: the upper pole plate (3) and the lower pole plate (4) are made of stainless steel.

4. The portable negative ion detector of claim 1, wherein: and the circuit board (6) is provided with a microprocessor (8) and a signal amplification circuit (9).

5. The portable negative ion detector of claim 4, wherein: the microprocessor (8) is of the type Atmel SAMD 21.

6. The portable negative ion detector of claim 1, wherein: the battery (10) is two button type rechargeable lithium batteries connected in series.