CN216870433U

CN216870433U - Flash point detection device of opening flash point tester

Info

Publication number: CN216870433U
Application number: CN202123295266.8U
Authority: CN
Inventors: 王龙; 冯春花; 王明; 王菲
Original assignee: Zibo Dongling Electric Technology Co ltd
Current assignee: Zibo Dongling Electric Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-01
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a flash point detection device of an open flash point tester, which comprises a box body, wherein a storage battery is arranged on one side of the top of the box body, and an alarm is arranged on one side of the top of the box body, which is far away from the storage battery; the upper end and the lower end of one side outside the box body are respectively provided with a first air pump and a second air pump; the heating wire is installed at the bottom of the interior of the box body, and a heat conducting plate is fixed above the interior of the box body, which is close to the heating wire. The utility model can accelerate the volatilization of the combustible gas in the sample by starting the electric heating wire to heat the sample, shorten the time required by detection and improve the detection efficiency; the first air pump and the second air pump are started to pump air in the box body outwards to ensure that the box body is vacuum, so that the sample is extinguished, the sample is prevented from continuously burning, and the operation is safer; the light is detected through the photoresistor, the photoresistor is reduced by the illuminating resistor, the current is instantaneously enhanced, the brightness of the LED lamp is suddenly increased, the indicating effect is achieved, and a user can conveniently determine whether to flash fire.

Description

Flash point detection device of opening flash point tester

Technical Field

The utility model relates to the technical field of open flash point measurement, in particular to a flash point detection device of an open flash point tester.

Background

The flash point is the lowest temperature at which a flammable liquid or solid can give off a sufficient amount of vapor and form a flammable mixture with air at the surface of the liquid or solid in the container used. The flash point of a flammable liquid changes as its concentration changes. The open flash point is the result measured by a predetermined open flash point measuring instrument and is called the open flash point and is expressed in ℃ C. Is commonly used for the determination of lubricating oils.

The existing flash point detection device is used for detecting the flash point of a sample, usually, after the sample naturally volatilizes for a period of time, flammable gas volatilized in the air is ignited, and whether fire light is generated or not is observed by naked eyes. Therefore, a flash point detection device of an open flash point tester, which can accelerate sample volatilization, has high detection speed and more accurate detection result, is needed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a flash point detection device of an open-end flash point tester, which solves the above-mentioned problems of the prior art.

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

a flash point detection device of an open flash point tester comprises a box body, wherein a storage battery is arranged on one side of the top of the box body, and an alarm is arranged on one side, far away from the storage battery, of the top of the box body; the upper end and the lower end of one side outside the box body are respectively provided with a first air pump and a second air pump; the bottom inside the box body is provided with an electric heating wire, a heat conducting plate is fixed above the inside of the box body, which is close to the electric heating wire, and a storage basket is fixed in the middle position above the heat conducting plate; a temperature monitoring meter and a combustible gas concentration monitoring meter are respectively installed above two sides of the inner wall of the box body, and an electromagnetic igniter is installed below one side, close to the combustible gas concentration monitoring meter, of the inner wall of the box body.

As a further scheme of the utility model: the box is characterized in that a box door is arranged below one side of the front face of the box body, an observation window is arranged above the front face of the box body close to the box door, and toughened glass is embedded and fixed in the observation window.

As a still further scheme of the utility model: a central console is arranged on the box door, and an instrument panel for temperature, humidity and combustible gas concentration and a control button are arranged on the central console; and a handle is fixed below one side of the box door close to the center console.

As a still further scheme of the utility model: the LED lamp is installed to the intermediate position of box top inner wall, the photo resistance is installed to one side that box top inner wall is close to the LED lamp.

As a still further scheme of the utility model: and a humidity monitoring meter is arranged on one side, far away from the photosensitive resistor, of the inner wall of the top of the box body.

As a still further scheme of the utility model: one end of each of the first air pump air inlet pipe and the second air pump air inlet pipe is inserted into the box body, and one end of each of the first air pump air outlet pipe and the second air outlet pipe is fixed with a filter box.

Compared with the prior art, the utility model has the following beneficial effects:

1. the sample to be detected is placed in the storage basket, the door of the box is closed, the volatile combustible gas in the sample overflows into the box, the volatilization of the combustible gas in the sample can be accelerated by starting the electric heating wire to heat the sample, the time required by detection is shortened, and the detection efficiency is improved;

2. the combustible gas concentration inside the box body is monitored in real time through a combustible gas concentration monitor, a user can divide the gas concentration, and after the concentration reaches a certain preset value, the electromagnetic igniter is started to observe whether sparks are generated in the box or not, so that the amount of gas to be volatilized when the sample is ignited is determined;

3. when a flash fire occurs, the light is instantly enhanced, the light resistance is reduced by the lighting resistor, the current is instantly enhanced, the brightness of the LED lamp is suddenly increased, the indicating function is achieved, and a user can conveniently determine whether the flash fire occurs;

4. after the detection is finished, the first air pump and the second air pump are started timely to outwards pump out the air in the box body, so that the box body is internally vacuum, the sample is extinguished, the sample is prevented from continuing to burn, and the operation is safer.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Notations for reference numerals: 1-box body, 2-box door, 3-observation window, 4-storage battery, 5-alarm, 6-first air pump, 7-second air pump, 8-handle, 9-center console, 10-temperature monitor, 11-photoresistor, 12-LED lamp, 13-combustible gas concentration monitor, 14-electromagnetic igniter, 15-electric heating wire, 16-heat conducting plate, 17-basket, 18-humidity monitor.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the utility model. Any obvious modifications or variations can be made without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1, in an embodiment of the present invention, a flash point detection apparatus of an open flash point tester includes a box 1, a box door 2 is disposed below one side of a front surface of the box 1, a central console 9 is installed on the box door 2, and an instrument panel for measuring temperature, humidity, and concentration of combustible gas and a control button are installed on the central console 9; a handle 8 is fixed below one side of the box door 2 close to the center console 9; an observation window 3 is arranged on the front side of the box body 1 close to the upper part of the box door 2, and toughened glass is embedded and fixed in the observation window 3;

a storage battery 4 is arranged on one side of the top of the box body 1, and an alarm 5 is arranged on one side, far away from the storage battery 4, of the top of the box body 1; first air pump 6 and second air pump 7 are installed respectively at the upper and lower both ends of the outside one side of box 1, the one end of first air pump 6 and the 7 intake pipe of second air pump all inserts in box 1 and the one end of first air pump 6 and the 7 outlet ducts of second air pump all is fixed with the rose box.

Example 2

Referring to fig. 2, on the basis of embodiment 1, a temperature monitor 10 and a combustible gas concentration monitor 13 are respectively installed above two sides of the inner wall of the box body 1; an LED lamp 12 is arranged in the middle of the inner wall of the top of the box body 1, and a photosensitive resistor 11 is arranged on one side, close to the LED lamp 12, of the inner wall of the top of the box body 1; the bottom inside the box body 1 is provided with a heating wire 15, a heat conducting plate 16 is fixed above the heating wire 15 inside the box body 1, and a storage basket 17 is fixed in the middle position above the heat conducting plate 16; a humidity monitor 18 is arranged on one side of the inner wall of the top of the box body 1, which is far away from the photoresistor 11; an electromagnetic igniter 14 is arranged below one side of the inner wall of the box body 1 close to the combustible gas concentration monitor 13;

when the device is used, a sample to be detected is placed in the storage basket 17, the box door 2 is closed, volatile combustible gas in the sample overflows into the box body, and the volatilization of the combustible gas in the sample can be accelerated by heating the sample by starting the electric heating wire 15; the combustible gas concentration inside the box body is monitored in real time through a combustible gas concentration monitor 13, a user can divide the gas concentration, and after the concentration reaches a certain preset value, an electromagnetic igniter 14 is started to observe whether sparks are generated in the box or not, so that the amount of gas to be volatilized when the sample is ignited is determined; the light of the sample is small when the sample is ignited for the first time, and the sample is difficult to be distinguished by naked eyes of a user, and whether the sample is ignited or not can be determined through the LED lamp 12; when a sample is in a flash fire, transient bright light can be generated, the photoresistor 11 can detect the brightness, the brightness of the LED lamp 12 is extremely low due to the fact that the resistance of the photoresistor 11 under normal or dark light is large, when the flash fire occurs, the light is instantly enhanced, the photoresistor 11 is reduced by the illumination resistance, the current is instantly enhanced, the brightness of the LED lamp 12 is suddenly increased, an indicating function is achieved, and a user can conveniently determine whether the flash fire occurs; when a user determines that the sample is in a fire, various data about temperature, humidity and combustible gas concentration on an instrument panel of the center console 9 are recorded in time; after the detection is finished, the first air pump 6 and the second air pump 7 are started in time to outwards pump out the air in the box body so as to ensure that the box body is internally vacuum, the sample is extinguished, the sample is prevented from continuing to burn, and the operation is safer.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A flash point detection device of an open flash point tester comprises a box body (1) and is characterized in that a storage battery (4) is installed on one side of the top of the box body (1), and an alarm (5) is installed on one side, far away from the storage battery (4), of the top of the box body (1); the upper end and the lower end of one side of the outer part of the box body (1) are respectively provided with a first air pump (6) and a second air pump (7); an electric heating wire (15) is installed at the bottom inside the box body (1), a heat conducting plate (16) is fixed above the electric heating wire (15) inside the box body (1), and a storage basket (17) is fixed in the middle position above the heat conducting plate (16); a temperature monitoring meter (10) and a combustible gas concentration monitoring meter (13) are respectively installed above two sides of the inner wall of the box body (1), and an electromagnetic igniter (14) is installed below one side, close to the combustible gas concentration monitoring meter (13), of the inner wall of the box body (1).

2. The flash point detection device of the open flash point tester according to claim 1, wherein a box door (2) is arranged below one side of the front surface of the box body (1), an observation window (3) is arranged above the front surface of the box body (1) close to the box door (2), and toughened glass is embedded and fixed in the observation window (3).

3. The flash point detection device of the open flash point tester according to claim 2, characterized in that a center console (9) is installed on the box door (2), and an instrument panel and control buttons for temperature, humidity and combustible gas concentration are installed on the center console (9); a handle (8) is fixed below one side of the box door (2) close to the center console (9).

4. The flash point detection device of the open flash point tester of claim 3, characterized in that the middle position of the inner wall of the top of the box body (1) is provided with an LED lamp (12), and one side of the inner wall of the top of the box body (1) close to the LED lamp (12) is provided with a photoresistor (11).

5. Flash point detection device of an open flash point tester according to claim 4, characterized in that a humidity monitor (18) is mounted on the side of the inner wall of the top of the box (1) far from the photoresistor (11).

6. The flash point detection device of the open flash point tester of claim 1 or 5, wherein one end of the air inlet pipe of the first air pump (6) and one end of the air inlet pipe of the second air pump (7) are both inserted into the box body (1), and one end of the air outlet pipe of the first air pump (6) and one end of the air outlet pipe of the second air pump (7) are both fixed with a filter box.