CN213023028U

CN213023028U - Combustible gas detector convenient to equipment

Info

Publication number: CN213023028U
Application number: CN202021347059.5U
Authority: CN
Inventors: 邓伟利; 郝艳春
Original assignee: Tianjin Fosser Intelligent Fire Technology Co ltd
Current assignee: Tianjin Fosser Intelligent Fire Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-20
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a combustible gas detector convenient to equipment relates to combustible gas and surveys the field, to the inconvenient not strong problem of equipment practicality of current combustible gas detector, now proposes following scheme, the on-line screen storage device comprises a base, the bottom shells inner wall of base has the circuit board through bolted connection, the top casing fixedly connected with leaded light post, self-checking key, trouble lamp and the alarm key of circuit board, the outer wall border joint of base has the shell, the top casing that the shell was run through in the equal activity of top outer lane of leaded light post, self-checking key, trouble lamp and alarm key, the bottom casing joint of base has the fixing base, the through-hole has been seted up to the bottom casing of base, the top casing fixedly connected with fastener of fixing base. The utility model relates to a novelty to the performance drift that arouses to a certain extent because the change of external environment (temperature etc.) factor, can compensate automatically, has improved gas detector's reliability, is fit for carrying out marketing.

Description

Combustible gas detector convenient to equipment

Technical Field

The utility model relates to a combustible gas surveys technical field, especially relates to a combustible gas detector convenient to equipment.

Background

The combustible gas is a substance that can be ignited and is in a gaseous state at normal temperature and pressure. Such as hydrogen, acetylene, ethylene, ammonia, hydrogen sulfide, and the like. Combustible gases have the general characteristics of gases. A component of combustible gas is called a single gas; the mixture of two or more combustible gases is called mixed combustible gas. The combustible gas is mixed in a corresponding combustion-supporting medium according to a certain proportion, and can cause combustion or explosion under the action of an ignition source. The combustible gas is ejected from the nozzle at a flow rate, the combustion rate of which is determined by the diffusion rate of the combustible gas and air.

Because the anti-interference ability of current combustible gas detector is not strong, and receives the influence of circumstances such as external environment high temperature easily to lead to combustible gas detector's practicality not strong. To this end, a combustible gas detector is proposed which is easy to assemble.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of combustible gas detector convenient to equipment has solved the inconvenient not strong problem of equipment practicality of current combustible gas detector.

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

the utility model provides a combustible gas detector convenient to equipment, includes the base, there is the circuit board bottom shells inner wall of base through bolted connection, the top casing fixedly connected with leaded light post, self-checking key, trouble lamp and the warning key of circuit board, the outer wall border joint of base has the shell, the top casing that runs through out the shell is all moved about in the top outer lane of leaded light post, self-checking key, trouble lamp and warning key, the bottom casing joint of base has the fixing base.

Preferably, a through hole is formed in the bottom shell of the base, a clamping piece is fixedly connected to the top shell of the fixing seat, and the top outer ring of the clamping piece is clamped in the inner ring of the through hole.

Preferably, the bottom shell of the base is welded with a threaded column, the top shell of the circuit board is provided with a limiting hole, and the outer ring of the threaded column is movably sleeved in the inner ring of the limiting hole.

Preferably, the front shell of the circuit board is fixedly connected with a combustible gas detector, and the type of the combustible gas detector is V6697.

Preferably, the periphery of the outer wall of the shell is provided with heat dissipation holes, and the top shell of the shell is provided with a light guide post hole, a self-checking key hole, a fault lamp hole and an alarm key hole.

Preferably, the light guide column, the self-checking key, the fault lamp and the alarm key are respectively located under the light guide column hole, the self-checking key hole, the fault lamp hole and the alarm key hole, and respectively and movably penetrate through inner rings of the light guide column hole, the self-checking key hole, the fault lamp hole and the alarm key hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation base, circuit board, leaded light post, self-checking key, trouble lamp, alarm key, shell, louvre, leaded light post hole, self-checking key hole, trouble lamp hole, alarm key hole, fixing base, fastener isotructure, gas concentration acquisition circuit changes the gas concentration signal into voltage signal, the singlechip judges the combustible gas concentration value according to this voltage signal, when the concentration of combustible gas surpasses 5% LEL, the alarm can send the continuous alarm sound of "ticking", red emitting diode scintillation, if the combustible gas detector connects the gas emergency cut-off valve, can make it close, when the combustible gas concentration value is less than the setting value in succession, the alarm resumes "normal" measuring state (green light normally instructs, red lamp goes out); when the internal circuit or the gas sensitive element of the detector has a fault, if the fault cannot be eliminated in time, the detector sends intermittent ' tic ' -tic ' sound after about 10 seconds, and the fault lamp-yellow lamp is long-lighted.

Drawings

Fig. 1 is a schematic diagram of an explosion structure of a combustible gas detector convenient to assemble according to the present invention;

fig. 2 is a schematic top view of a fixing base of a combustible gas detector convenient to assemble according to the present invention;

fig. 3 is a schematic top view of a housing of a combustible gas detector convenient for assembly according to the present invention;

fig. 4 is a schematic side view of the combustible gas detector convenient for assembly according to the present invention.

In the figure: 1 base, 2 circuit boards, 3 leaded light post, 4 self-checking keys, 5 trouble lamps, 6 warning keys, 7 shells, 701 louvre, 702 leaded light post hole, 703 self-checking key hole, 704 trouble lamp hole, 705 warning key hole, 8 fixing bases, 801 fastener.

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.

Referring to fig. 1-4, a combustible gas detector convenient to equipment, includes base 1, there is circuit board 2 bottom shells inner wall of base 1 through bolted connection, the top casing fixedly connected with leaded light post 3 of circuit board 2, self-checking key 4, trouble lamp 5 and alarm key 6, the outer wall border joint of base 1 has shell 7, the top casing that shell 7 was all run through in the activity of leaded light post 3, self-checking key 4, trouble lamp 5 and alarm key 6, the bottom casing joint of base 1 has fixing base 8.

The bottom shell of the base 1 is provided with a through hole, the top shell of the fixed seat 8 is fixedly connected with a clamping piece 801, the top outer ring of the clamping piece 801 is clamped in the inner ring of the through hole, the bottom shell of the base 1 is welded with a threaded column, the top shell of the circuit board 2 is provided with a limiting hole, the outer ring of the threaded column is movably sleeved in the inner ring of the limiting hole, the front shell of the circuit board 2 is fixedly connected with a combustible gas detector, the type of the combustible gas detector is V6697, the periphery of the outer wall of the shell 7 is provided with heat dissipation holes 701, the top shell of the shell 7 is provided with a light guide column hole 702, a self-checking key hole 703, a fault lamp hole 704 and an alarm key hole 705, the light guide column 3, the self-checking key 4, the fault lamp 5 and the alarm key 6 are respectively positioned under the light guide column hole 702, the self-checking key hole 703, the fault lamp hole 704 and the alarm key hole 705, and respectively and movably penetrates through the inner rings of the light guide column hole 702, the self-checking key hole 703, the fault lamp hole 704 and the alarm key hole 705.

In this embodiment, first, the product adopts a gas sensing technology, and is composed of circuits such as a semiconductor gas sensor, a single chip microcomputer, a temperature compensation circuit, and a high-efficiency switching power supply. The gas concentration acquisition circuit converts the gas concentration signal into a voltage signal, the singlechip judges the concentration value of the combustible gas according to the voltage signal, when the concentration of the combustible gas exceeds 5 percent LEL, the alarm can send a continuous alarm sound of ticketing, the red light-emitting diode flickers, if the combustible gas detector is connected with a gas emergency cut-off valve, the combustible gas detector can be closed, and when the concentration value of the combustible gas is continuously smaller than a set value, the alarm returns to a normal measurement state (a green light normally indicates, and a red light goes out); when the internal circuit or the gas sensitive element of the detector has a fault, if the fault cannot be eliminated in time, the detector sends out intermittent ' tic ' -tic ' sound after about 10 seconds, and the fault lamp-yellow lamp is on for a long time. Indication lamp description: the green light is on for a long time: the power supply is normal; the yellow lamp is long bright: prompting a fault; flashing a red light: and (5) alarming leakage. Self-checking function: the self-checking is used for detecting whether the audible and visual alarm function of the alarm is normal. When the key is pressed in the non-alarm state, the red, green and yellow lamps flash, and the buzzer sounds the self-checking sound of beep and beep. The anti-interference capability of the gas detector is improved by adopting software and hardware filtering; a 32-bit ARM low-power-consumption and high-performance processor is adopted; a semiconductor gas sensor element with high sensitivity and long service life is used. Therefore, the function of facilitating assembly of the combustible gas detector is achieved, and the practicability is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a combustible gas detector convenient to equipment, includes base (1), its characterized in that, there are circuit board (2) bottom shells inner wall of base (1) through bolted connection, top casing fixedly connected with leaded light post (3), self-checking key (4), trouble lamp (5) and alarm key (6) of circuit board (2), the outer wall border joint of base (1) has shell (7), the top casing of shell (7) is run through in the top outer lane of leaded light post (3), self-checking key (4), trouble lamp (5) and alarm key (6) is all movable, the bottom casing joint of base (1) has fixing base (8).

2. The combustible gas detector convenient to assemble according to claim 1, wherein a through hole is formed in a bottom shell of the base (1), a clamping piece (801) is fixedly connected to a top shell of the fixing seat (8), and a top outer ring of the clamping piece (801) is clamped in an inner ring of the through hole.

3. The combustible gas detector convenient to assemble according to claim 1, wherein a threaded column is welded on the bottom shell of the base (1), a limiting hole is formed in the top shell of the circuit board (2), and an outer ring of the threaded column is movably sleeved in an inner ring of the limiting hole.

4. The combustible gas detector convenient to assemble according to claim 1, wherein the front shell of the circuit board (2) is fixedly connected with a combustible gas detector, and the type of the combustible gas detector is V6697.

5. The combustible gas detector convenient to assemble according to claim 1, wherein the periphery of the outer wall of the shell (7) is provided with heat dissipation holes (701), and the top shell of the shell (7) is provided with a light guide post hole (702), a self-checking key hole (703), a fault lamp hole (704) and an alarm key hole (705).

6. An easily assembled combustible gas detector according to claim 5, wherein the light guide post (3), the self-checking key (4), the fault lamp (5) and the alarm key (6) are respectively located right below the light guide post hole (702), the self-checking key hole (703), the fault lamp hole (704) and the alarm key hole (705), and respectively movably penetrate through inner rings of the light guide post hole (702), the self-checking key hole (703), the fault lamp hole (704) and the alarm key hole (705).