CN213068793U

CN213068793U - Double-probe detector structure

Info

Publication number: CN213068793U
Application number: CN202022082143.5U
Authority: CN
Inventors: 李承冬; 马岳
Original assignee: Xuzhou Kanfur Electronic Technology Co ltd
Current assignee: Xuzhou Kanfur Electronic Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-04-27
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a two probe detector structures, including the main casing body, the inboard even fixed mounting of the main casing body has a plurality of reference column, the middle movable mounting of reference column has the spliced pole, the place ahead of the main casing body is provided with can dismantle the panel, can dismantle the surface of panel and be provided with the ventilative mouthful of TVOC and the ventilative mouthful of formaldehyde, formaldehyde sensor is installed to the centre of the ventilative mouthful of formaldehyde, TVOC sensor is installed to the centre of the ventilative mouthful of TVOC, can dismantle the centre of the panel and the main casing body and be provided with display panel, display panel includes the circuit board, the fixed surface of circuit board installs the board in a poor light, the fixed surface of board in a poor light installs disconnected sign indicating. The utility model discloses an install ventilative mouthful of formaldehyde, the ventilative mouthful of TVOC, TVOC sensor and formaldehyde sensor can be quick and detect the inside formaldehyde in house, and can not cause the interference to the sensor in the testing process, guarantee the sensitivity and the accuracy that detect.

Description

Double-probe detector structure

Technical Field

The utility model relates to a formaldehyde detection device technical field specifically is a two probe detector structures.

Background

With the fast social and economic speedFormaldehyde is a rapidly developing organic chemical of the formula HCHO or CH₂O, molecular weight 30.03, also known as formil, is colorless and irritant gas, has an irritant effect on human eyes, nose and the like, has a gas relative density of 1.067 (air = 1), a liquid density of 0.815g/cm and a full-length (-20 ℃), a melting point of-92 ℃, a boiling point of-19.5 ℃, is easily soluble in water and ethanol, and is easily dissolved in water and ethanol, and formaldehyde poisoning can cause eye lacrimation, conjunctival congestion and inflammation, skin allergy, nasopharynx discomfort, cough, acute and chronic bronchitis and other respiratory system diseases, and can also cause nausea, vomiting and gastrointestinal dysfunction.

However, when the existing formaldehyde detection device in the house is used, because the position of the detection port is below the silent instrument, the formaldehyde detection device is easily interfered by the hands of an operator, and the sensitivity and the accuracy of detection are influenced; therefore, the existing requirements are not met, and a double-probe detector structure is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two probe detector structures to solve the inside formaldehyde detection device in current house that proposes in the above-mentioned background art because the silent instrument in position below of detection mouth, receive the interference of operating personnel hand easily, influence the sensitivity and the accuracy scheduling problem that detect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two probe detector structures, includes the main casing body, the inboard even fixed mounting of the main casing body has a plurality of reference column, the middle movable mounting of reference column has the spliced pole, the place ahead of the main casing body is provided with can dismantle the panel, can dismantle the surface of panel is provided with the ventilative mouthful of TVOC and the ventilative mouthful of formaldehyde, formaldehyde sensor is installed to the ventilative mouthful centre of formaldehyde, TVOC sensor is installed to the ventilative mouthful centre of TVOC, can dismantle the centre of panel and the main casing body and be provided with display panel, display panel includes the circuit board, the fixed surface of circuit board installs the board in a poor light, the fixed surface of board in a poor light installs disconnected sign indicating number screen, display panel's below is provided.

Preferably, the outer surface of reference column and the internal surface of main casing body laminate completely, the reference column passes through integration injection moulding with the main casing body.

Preferably, the middle of the positioning column is provided with a screw hole, and the screw penetrates through the positioning column and is fixedly connected with the detachable panel.

Preferably, a screen protection plate is arranged below the formaldehyde vent hole and the TVOC vent hole, the screen protection plate is connected with the detachable panel through a clamping groove, and a gap between the screen protection plate and the detachable panel is filled with an adhesive.

Preferably, one side of the code breaking screen is completely attached to one side of the backlight board, the other side of the backlight board is completely attached to the surface of the circuit board, and the backlight board, and the backlight board and the circuit board are fixed through welding.

Preferably, a plurality of keys are uniformly arranged below the display panel and are attached to the bottom end surface of the circuit board.

Preferably, the formaldehyde sensor is connected with the circuit board through a flat cable, and the TVOC sensor is fixed on the surface of the circuit board through manual welding.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a can dismantle panel surface and set up formaldehyde gas permeation mouth and TVOC gas permeation mouth, make formaldehyde sensor and TVOC sensor direction up, and lie in the upper portion of equipment principal, can not receive shielding and interference of operating personnel hand when using, in addition formaldehyde gas permeation mouth and TVOC gas permeation mouth adopt the design of big trompil, have guaranteed the biggest air contact surface, have strengthened detection contact and the air flow of formaldehyde sensor and TVOC sensor, the effectual detection sensitivity and the accurate degree that improve equipment;

2. the utility model discloses a can dismantle panel rear surface and main casing body surface and laminate, the screw of recycling passes main casing body rear surface and pegs graft after running through the reference column and can dismantle the panel rear surface for can dismantle the panel and be connected with the main casing body and screw up, the convenience device assembles, and only needs to dismantle the screw when the device breaks down and can dismantle the device, conveniently maintains, overhauls.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is an overall development view of the present invention;

fig. 3 is a schematic structural view of the positioning pin of the present invention;

fig. 4 is a schematic view of a local structure of the connecting column of the present invention.

In the figure: 1. a removable panel; 2. a main housing; 3. a display panel; 4. a formaldehyde vent; 5. a TVOC sensor; 6. a TVOC ventilation port; 7. a formaldehyde sensor; 8. breaking the code screen; 9. a backlight plate; 10. a circuit board; 11. a positioning column; 12. a battery; 13. a screen protection board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The TVOC sensor 5 (model is TVOC gas sensor-AGS 02 MA) and the formaldehyde sensor 7 (model is GB02-CH 2O) mentioned in the utility model can be purchased from the market or obtained from private customization.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a two probe detector structures, including main casing body 2, the even fixed mounting in the inboard of main casing body 2 has a plurality of reference column 11, make things convenient for the location of equipment when installing, make things convenient for the device to fix a position the installation, main casing body 2's the place ahead is provided with can dismantle panel 1, can dismantle panel 1's surface is provided with the ventilative mouthful 6 of TVOC and the ventilative mouthful 4 of formaldehyde, formaldehyde sensor 7 is installed to the centre of the ventilative mouthful 4 of formaldehyde, TVOC sensor 5 is installed to the centre of the ventilative mouthful 6 of TVOC, can dismantle panel 1 and main casing body 2's centre is provided with display panel 3, display panel 3 includes circuit board 10, circuit board 10's fixed surface installs board in a poor light 9, the fixed surface of board in a poor light 9 installs disconnected sign.

Further, the surface of reference column 11 and the internal surface of main casing 2 laminate completely, and reference column 11 and main casing 2 are through integration injection moulding.

By adopting the technical scheme, the integrated injection molded part has good integrity, good stability and mechanical strength, and cannot be easily damaged.

Furthermore, the middle of the positioning column 11 is provided with a screw hole, and the screw penetrates through the positioning column 11 and is fixedly connected with the detachable panel 1.

Through adopting above-mentioned technical scheme, screw simple structure, convenient to use connect stably, and the device of being convenient for is installed or is dismantled.

Further, the ventilative mouthful 4 below of ventilative mouthful 6 of TVOC of formaldehyde is provided with screen protection board 13, and screen protection board 13 passes through the draw-in groove with can dismantle panel 1 and be connected, and screen protection board 13 and the gap that can dismantle between the panel 1 pass through the adhesive and fill.

Through adopting above-mentioned technical scheme, display panel 3 can not appear damaging when the device is using in screen protection board 13, guarantees that display panel 3 can normal abluent demonstration detected data.

Further, one side of the code breaking screen 8 is completely attached to one side of the backlight plate 9, the other side of the backlight plate 9 is completely attached to the surface of the circuit board 10, and the backlight plate 9, and the backlight plate 9 and the circuit board 10 are fixed through welding.

By adopting the technical scheme, the connection performance and the stability of the code breaking screen 8 and the backlight plate 9 and the connection performance and the stability of the backlight plate 9 and the circuit board 10 are enhanced by welding and fixing, the mechanical strength is good, and the damage cannot easily occur.

Further, a plurality of keys are uniformly arranged below the display panel 3, and the keys are attached to the bottom end surface of the circuit board 10.

By adopting the technical scheme, the keys are convenient for operators to use, and the device is controlled to select functions.

Further, the formaldehyde sensor 7 is connected with the circuit board 10 by a flat cable, and the TVOC sensor 5 is fixed on the surface of the circuit board 10 by manual soldering.

Through adopting above-mentioned technical scheme, winding displacement and welding can be so that formaldehyde sensor 7 and TVOC sensor 5 carry out fine being connected with circuit board 10, make things convenient for data to carry out quick interchange, are convenient for detect.

The working principle is as follows: when the device is used, the battery 12 is firstly installed inside the device, then the device is started, after the device is started, the air quality inside a house is detected by the handheld device of a worker, when the detection is carried out, firstly the worker can operate through the keys on the surface of the detachable panel 1 to select a detection program, after the detection program is started, the handheld device of the worker ensures that the TVOC ventilation port 6 and the formaldehyde ventilation port 4 on the surface of the detachable panel 1 face upwards, then the air in the house enters the formaldehyde ventilation port 4 and the TVOC ventilation port 6, the formaldehyde sensor 7 and the TVOC sensor 5 inside the formaldehyde ventilation port 4 and the TVOC ventilation port 6 analyze and transmit the contents of formaldehyde and TVOC contained in the air to the circuit board 10, and then the elements on the circuit board 10 are calculated and converted to form numerical values which are displayed on the surface worker operating personnel of the code breaking screen 8 to visually watch and record, simple structure and convenient operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A dual probe detector arrangement comprising a main housing (2), characterized in that: the inboard even fixed mounting of main casing body (2) has a plurality of reference column (11), the place ahead of the main casing body (2) is provided with detachable panel (1), detachable panel's (1) surface is provided with the ventilative mouthful (6) of TVOC and the ventilative mouthful (4) of formaldehyde, formaldehyde sensor (7) are installed to the centre of the ventilative mouthful (4) of formaldehyde, TVOC sensor (5) are installed to the centre of the ventilative mouthful (6) of TVOC, detachable panel (1) and the centre of the main casing body (2) are provided with display panel (3), display panel (3) include circuit board (10), the fixed surface of circuit board (10) installs board (9) in a poor light, the fixed surface of board (9) in a poor light installs disconnected sign indicating number screen (8), the below of display panel (3) is provided with battery (12).

2. A dual probe meter configuration according to claim 1 wherein: the outer surface of reference column (11) and the internal surface of main casing body (2) laminate completely, reference column (11) and main casing body (2) are through integration injection moulding.

3. A dual probe meter configuration according to claim 1 wherein: the middle of the positioning column (11) is provided with a screw hole, and the screw penetrates through the positioning column (11) and is fixedly connected with the detachable panel (1).

4. A dual probe meter configuration according to claim 1 wherein: a screen protection plate (13) is arranged below the formaldehyde ventilation port (4) and the TVOC ventilation port (6), the screen protection plate (13) is connected with the detachable panel (1) through a clamping groove, and a gap between the screen protection plate (13) and the detachable panel (1) is filled with an adhesive.

5. A dual probe meter configuration according to claim 1 wherein: one side of the code breaking screen (8) is completely attached to one side of the backlight plate (9), the other side of the backlight plate (9) is completely attached to the surface of the circuit board (10), and the backlight plate (9), the circuit board (10) and the backlight plate (9) are fixed through welding.

6. A dual probe meter configuration according to claim 1 wherein: a plurality of keys are uniformly arranged below the display panel (3), and the keys are attached to the bottom end surface of the circuit board (10).

7. A dual probe meter configuration according to claim 1 wherein: the formaldehyde sensor (7) is connected with the circuit board (10) through a flat cable, and the TVOC sensor (5) is fixed on the surface of the circuit board (10) through manual welding.