CN211179763U - Online VOC gas monitoring alarm device - Google Patents

Abstract

The utility model discloses an on-line VOC gas monitoring and alarm device, which comprises a structure and a circuit. A support column is fixedly connected to the bottom of an inner wall of a casing, a mounting plate is fixedly connected to the top of the support column, and a through hole is opened on the surface of the mounting plate. The inner wall of the casing is provided with a heat-conducting groove, the surface of the casing is provided with a heat-dissipating hole at the position of the heat-conducting groove, the surface of the casing and the position of the heat-dissipating hole are fixedly connected with a dust filter device, and the bottom of the inner wall of the casing is provided with a heat-conducting sheet The bottom of the casing is fixedly connected with a mounting seat, and the bottom edge of the surface of the mounting seat is provided with a fixing hole. The utility model relates to the technical field of gas monitoring. The online VOC gas monitoring and alarm device achieves the effect of dustproof and heat dissipation, has a reasonable and simple structure, is easy to use, can dissipate heat in time, reduce dust entry, has good heat dissipation effect, avoids high temperature conditions, and prolongs service life. , reduce maintenance and improve performance.

Description

An online VOC gas monitoring and alarm device

technical field

The utility model relates to the technical field of gas monitoring, in particular to an on-line VOC gas monitoring and alarm device.

Background technique

VOC is a volatile organic compound, and VOC in the general sense is a volatile organic compound; but the definition in the environmental sense refers to a class of volatile organic compounds that are active, that is, the kind of volatile organic compounds that can cause harm. It is a non-industrial environment. One of the most common air pollutants in air pollution, common VOCs are styrene, propylene glycol, ethylene glycol, phenol, toluene, ethylbenzene, xylene, and formaldehyde, which have a huge impact on human health. When the VOC in the room reaches a certain concentration, In a short period of time, people will feel headache, nausea, vomiting, fatigue, etc. In severe cases, convulsions and coma will occur, and it will damage the human liver, kidney, brain and nervous system, resulting in serious consequences such as memory loss. At present, the internal heat of the existing VOC gas monitoring and alarm devices on the market cannot be exported in time, the heat dissipation effect is poor, the internal components are prone to high temperature, the work efficiency is low, or even burn out, and some have heat dissipation holes for heat dissipation. , causing dust to enter, a large amount of dust will accumulate on the surface of components, further causing difficulty in heat dissipation, increasing maintenance, low service life, and reducing performance.

Utility model content

(1) Technical problems solved

Aiming at the shortcomings of the prior art, the utility model provides an online VOC gas monitoring and alarm device, which solves the problem that the internal heat cannot be exported in time, the heat dissipation effect is poor, the internal components are prone to high temperature due to heat, the work efficiency is low, and even burns In addition, some have heat dissipation holes for heat dissipation, which will cause dust to enter, and a large amount of dust will accumulate on the surface of components, which will further cause difficulty in heat dissipation, increase maintenance, and reduce service life. The problem of performance.

(2) Technical solutions

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: an on-line VOC gas monitoring and alarm device, comprising a structure and a circuit, the structure comprising a casing, and a support column is fixedly connected to the bottom of the inner wall of the casing, The top of the support column is fixedly connected with a mounting plate, the surface of the mounting plate is provided with a through hole, the inner wall of the casing is provided with a heat conduction groove, and the surface of the casing is provided with a heat dissipation hole at the position of the heat conduction groove , a dust filter device is fixedly connected to the surface of the casing and located at the position of the heat dissipation hole, and a heat-conducting sheet is arranged at the bottom of the inner wall of the casing.

Preferably, a mounting seat is fixedly connected to the bottom of the casing, and a bottom edge of the surface of the mounting seat is provided with a fixing hole.

Preferably, the circuit includes a microcontroller, the interface of the microcontroller is electrically connected with a battery, a display screen, an alarm module, a converter, a wireless module and a memory in sequence, and the interface of the alarm module is electrically connected with an alarm lamp in sequence And the buzzer, the interface of the converter is electrically connected with the VOC sensor.

Preferably, the heat conduction grooves are evenly distributed on the inner wall of the casing, and the heat dissipation holes are evenly distributed on the inner wall of the heat conduction groove.

Preferably, the bottom end of the heat-conducting sheet penetrates through the bottom of the inner wall of the casing and extends to the outside thereof, and the heat-conducting sheet is evenly distributed on the bottom of the casing.

Preferably, the dust filtering device includes a fixing frame, the surface of the fixing frame is fixedly connected with the surface of the casing, and the inner wall of the fixing frame is sequentially provided with a primary filter screen and a secondary filter screen.

(3) Beneficial effects

The utility model provides an on-line VOC gas monitoring and alarm device. Has the following beneficial effects:

(1) The online VOC gas monitoring and alarm device is fixedly connected to a support column through the bottom of the inner wall of the casing, and a mounting plate is fixedly connected to the top of the support column. The surface of the mounting plate is provided with through holes, and the inner wall of the casing is provided with A heat-conducting groove, a heat-dissipating hole is opened on the surface of the casing and located at the position of the heat-conducting groove, a dust filter device is fixedly connected to the surface of the casing and located at the position of the heat-dissipating hole, and a heat-conducting sheet is arranged at the bottom of the inner wall of the casing to prevent dust and heat dissipation. The effect is reasonable and simple in structure, easy to use, can dissipate heat in time, reduce dust entry, good heat dissipation effect, avoid high temperature, prolong service life, reduce maintenance and improve performance.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a partial enlarged view at A in Fig. 1;

Figure 3 is a circuit block diagram.

In the picture: 1 case, 2 support column, 3 mounting plate, 4 through hole, 5 heat conduction groove, 6 heat dissipation hole, 7 dust filter device, 8 heat conduction sheet, 9 mounting seat, 10 fixing hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3, the present utility model provides a technical solution: an on-line VOC gas monitoring and alarm device, including a structure and a circuit, the circuit includes a microcontroller, and the model of the microcontroller is: C8051F020, which is the existing The interface of the microcontroller is electrically connected with the battery, the display screen, the alarm module, the converter, the wireless module and the memory in sequence, and the interface of the alarm module is electrically connected with the alarm lamp and the buzzer in turn. The interface of the device is electrically connected with a VOC sensor. The model of the VOC sensor is: AS-MLV, which is an existing technology and is available in the market. A mounting plate 3 is fixedly connected to the top of the support column 2. The mounting plate 3 can be used to install internal components. The surface of the mounting plate 3 is provided with a through hole 4. The through hole 4 increases the heat dissipation area and facilitates heat dissipation. There is a heat-conducting groove 5, which has a heat-conducting function and can dissipate heat in time. The heat-conducting grooves 5 are evenly distributed on the inner wall of the casing 1. The surface of the casing 1 and the position of the heat-conducting groove 5 are provided with heat dissipation holes 6. The heat dissipation holes 6 has the function of heat dissipation, which can dissipate heat in time. The heat dissipation holes 6 are evenly distributed on the inner wall of the heat conduction groove 5. The surface of the casing 1 and the position of the heat dissipation holes 6 are fixedly connected with a dust filter device 7. The dust filter device 7 can remove dust. To filter out and reduce dust from entering the interior, the dust filtering device 7 includes a fixing frame 701, the surface of the fixing frame 701 is fixedly connected with the surface of the casing 1, and the inner wall of the fixing frame 701 is sequentially provided with a primary filter screen 702, a secondary filter screen 703, The primary filter 702 can filter out large particles of dust, and the secondary filter 703 can filter out micro-particle dust. The bottom of the inner wall is provided with a heat-conducting sheet 8, which has a heat-conducting effect. The bottom of the casing 1 is fixedly connected with a mounting seat 9. The mounting seat 9 supports the casing 1 to facilitate heat dissipation. The bottom edge of the surface of the mounting seat 9 is provided with a fixed The hole 10 and the fixing hole 10 are convenient for installation and fixation.

When using, first fix the whole device in the designated position through the fixing hole 10, then the VOC gas can be monitored. When the VOC gas is detected by the VOC sensor, the signal is transmitted to the microcontroller through the converter. The controller starts the alarm module. At this time, the alarm light flashes, and the buzzer sends out a voice prompt to alarm. When used for a long time and the internal components work and heat up, the through hole 4 increases the heat dissipation area, which is convenient for heat dissipation. At the same time, the heat conduction groove 5 has The heat conduction function can conduct heat in time. At this time, the heat is dissipated through the heat dissipation holes 6. At the same time, the heat conduction sheet 8 has a heat conduction effect. Therefore, the heat dissipation efficiency is improved through multiple heat dissipation. The primary filter screen 702 can filter out large particles of dust, and the secondary The filter screen 703 can filter out micro-particle dust, and the primary filter screen 702 and the secondary filter screen 703 realize step-by-step filtration, which improves the filtering effect, reduces dust entering the interior, prolongs the service life, and reduces maintenance.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. without more restrictions. An element defined by the statement "comprising an... does not preclude the presence of additional identical elements in the process, method, article or apparatus comprising the element".

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides an online VOC gas monitoring alarm device, includes structure and circuit, its characterized in that: the structure includes casing (1), inner wall bottom fixedly connected with support column (2) of casing (1), top fixedly connected with mounting panel (3) of support column (2), through-hole (4) have been seted up on the surface of mounting panel (3), heat-conducting groove (5) have been seted up to the inner wall of casing (1), louvre (6) have been seted up on the surface of casing (1) and the position that is located heat-conducting groove (5), the surface of casing (1) and the position fixedly connected with dust filter equipment (7) that is located louvre (6), the inner wall bottom of casing (1) is provided with conducting strip (8).

2. The online VOC gas monitoring alarm device of claim 1, wherein: the bottom of the machine shell (1) is fixedly connected with a mounting seat (9), and the bottom edge of the surface of the mounting seat (9) is provided with a fixing hole (10).

3. The online VOC gas monitoring alarm device of claim 1, wherein: the circuit includes microcontroller, microcontroller's interface electricity in proper order is connected with battery, display screen, alarm module, converter, wireless module and memory, alarm module's interface electricity in proper order is connected with alarm lamp and bee calling organ, the interface electricity of converter is connected with the VOC sensor.

4. The online VOC gas monitoring alarm device of claim 1, wherein: the heat conduction groove (5) is uniformly distributed on the inner wall of the machine shell (1), and the heat dissipation holes (6) are uniformly distributed on the inner wall of the heat conduction groove (5).

5. The online VOC gas monitoring alarm device of claim 1, wherein: the bottom end of the heat-conducting fin (8) penetrates through the bottom of the inner wall of the machine shell (1) and extends to the outside of the machine shell, and the heat-conducting fins (8) are uniformly distributed at the bottom of the machine shell (1).

6. The online VOC gas monitoring alarm device of claim 1, wherein: dust filter equipment (7) are including fixed frame (701), the fixed surface of fixed frame (701) is connected with the fixed surface of casing (1), the inner wall of fixed frame (701) has set gradually primary filter screen (702), secondary filter screen (703).

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