CN212748874U

CN212748874U - Environmental test chamber for combustible gas detector

Info

Publication number: CN212748874U
Application number: CN202021951525.0U
Authority: CN
Inventors: 梁凡
Original assignee: Shenzhen Zhongtianhang Technology Co ltd
Current assignee: Shenzhen Zhongtianhang Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-03-19
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses an environmental test chamber for a combustible gas detector, which comprises a chamber body, a control mechanism, a bottom plate, an experimental combustible gas detector and an air pump; the top fixed mounting of bottom plate has the box, four angle fixed mounting of bottom plate bottom have buffer spring, buffer spring's bottom fixed mounting has the universal wheel, one side fixed mounting of box has control mechanism, the output of combustible gas storage jar is equipped with first admission valve, the interior bottom of box is equipped with the cavity. The utility model discloses a set up aspiration pump and first blast pipe, taken out the inside combustible gas of proof box through the aspiration pump, rethread first blast pipe circulates the inside of combustible gas storage jar, avoids discharging combustible gas to the external world, causes the harm to operating personnel's health, retrieves the combustible gas of combustible gas storage jar moreover and can also recycle once more, has improved economic benefits.

Description

Environmental test chamber for combustible gas detector

Technical Field

The utility model relates to an environmental test case technical field specifically is an environmental test case for combustible gas detector.

Background

The combustible gas detector is widely applied to places emitting combustible gas and combustible steam, and can be suitable for places emitting the combustible gas such as oil refineries, oil depots, liquefied gas stations, household workshops and the like to carry out gas leakage alarm, and the fault reasons of a user using the combustible gas detector are very complicated, so that an environment test box for the combustible gas detector is needed to simulate the use environment of the combustible gas detector.

The existing environment test box of the combustible gas detector has the following defects:

1. the environmental test case of current combustible gas detector need discharge the combustible gas in the proof box to the external world after the experiment, causes the harm to operating personnel's healthy easily, can the polluted environment moreover.

2. The environmental test case of current combustible gas detector, operating personnel can make the violent vibration of proof box at the in-process that promotes the proof box to cause the damage to proof box internal component easily, for this reason we propose an environmental test case for combustible gas detector and solve current problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environmental test case for combustible gas detector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an environmental test chamber for a combustible gas detector comprises a chamber body, a control mechanism, a bottom plate, an experimental combustible gas detector and an air pump; the top of the bottom plate is fixedly provided with a box body, four corners of the bottom plate are fixedly provided with buffer springs, the bottom of each buffer spring is fixedly provided with a universal wheel, one side of the box body is fixedly provided with a control mechanism, the top of the other side of the box body is provided with a safety valve, one side of the top of the box body is fixedly provided with a combustible gas storage tank, the output end of the front bottom of the combustible gas storage tank is communicated with the box body through a guide pipe, the output end of the combustible gas storage tank is provided with a first air inlet valve, the inner bottom of the box body is provided with a cavity, one side of the inner bottom of the cavity is fixedly provided with an air pump, the input end of the air pump is fixedly connected with the output end of the bottom of the box body through a guide pipe, the output end, the utility model discloses a gas sensor, including box top, box fixed mounting, the inside central point department fixed mounting of box has the installation pole, the central point department fixed mounting of installation pole has experimental combustible gas detector, the central point department fixed mounting of the inside one side of box has gas sensor, gas sensor passes through wire and control mechanism electric connection, one side fixed mounting at box top has explosion-proof light, and explosion-proof light passes through wire and control mechanism electric connection.

Preferably, a pressure gauge is arranged at the center of one side of the front face of the air pump, a second air inlet valve is arranged at the output end of the air pump, and an exhaust valve is arranged at the output end of the air pump.

Preferably, a limiting insertion rod is inserted into the top of the buffer spring, a limiting insertion tube is inserted into the bottom end of the buffer spring, and the limiting insertion rod is inserted into the limiting insertion tube.

Preferably, a switch is fixedly mounted at the center of the front surface of the control mechanism, a first display is fixedly mounted at the position, close to the upper part, of the front surface of the control mechanism, and a plug is connected to the center of the bottom of one side of the control mechanism through a wire.

Preferably, the positive top of experiment combustible gas detector is equipped with the second display, the positive bottom of experiment combustible gas detector is equipped with three group's pilot lamps, a week of experiment combustible gas detector is equipped with the equidistant casing of three groups, one side at experiment combustible gas detector top is equipped with the alarm, the bottom of experiment combustible gas detector is equipped with the second sensor.

Preferably, the front of the box body is provided with a box door, the central position of the box door is provided with an observation window, the central position of one side of the front of the box door is provided with a handle, and the position of the front of the box body corresponding to the cavity is provided with a ventilation hole.

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

1. the utility model discloses a set up aspiration pump and first blast pipe, taken out the inside combustible gas of proof box through the aspiration pump, rethread first blast pipe circulates the inside of combustible gas storage jar, avoids discharging combustible gas to the external world, causes the harm to operating personnel's health, retrieves the combustible gas of combustible gas storage jar moreover and can also recycle once more, has improved economic benefits.

2. The utility model discloses a buffer spring has been set up, at the in-process that operating personnel promoted the proof box, buffer spring's spring and telescopic link can cushion the vibration that the proof box received, avoid at the in-process that promotes, the proof box receives violent vibration to cause the inside subassembly of proof box to damage.

Drawings

Fig. 1 is an external view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is an enlarged schematic view of the present invention at a in fig. 2;

FIG. 4 is a schematic external view of the combustible gas detector of the present invention;

fig. 5 is an enlarged schematic view of the position B in fig. 2 according to the present invention.

In the figure: 1. a box body; 101. an observation window; 102. a handle; 103. an explosion-proof illuminating lamp; 104. a vent hole; 105. a box door; 2. a control mechanism; 201. a first display; 202. a switch; 203. a plug; 3. a base plate; 4. a combustible gas storage tank; 5. a first intake valve; 6. a buffer spring; 601. a limiting inserted rod; 602. limiting the cannula; 7. a universal wheel; 8. an experimental combustible gas detector; 801. a second display; 802. an indicator light; 803. a housing; 804. a second sensor; 805. an alarm; 9. a gas sensor; 10. an air pump; 1001. a pressure gauge; 1002. a second intake valve; 1003. an exhaust valve; 11. a safety valve; 12. a cavity; 13. and (5) installing a rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: an environmental test chamber for a combustible gas detector comprises a chamber body 1, a control mechanism 2, a bottom plate 3, an experimental combustible gas detector 8 and an air pump 10; the box body 1 is welded at the top of the bottom plate 3, the box body 1 is supported and fixed by the bottom plate 3, the buffer springs 6 are welded at four corners of the bottom plate 3, the buffer springs 6 buffer external vibration to prevent an operator from damaging components inside the box body 1 due to severe vibration in the process of moving the box body 1, the universal wheels 7 are welded at the bottoms of the buffer springs 6, the universal wheels 7 are convenient for the operator to push the device to move, the control mechanism 2 is welded at one side of the box body 1, the control mechanism 2 is used for controlling the device and displaying detection data, the safety valve 11 is arranged at the top of the other side of the box body 1, the safety valve 11 is opened by the operator, external air enters the box body 1 to prevent the internal pressure of the box body 1 from being too large and cannot be opened 105, the combustible gas storage tank 4 is welded at one side of the top of the box body, the output end of the front bottom of the combustible gas storage tank 4 is communicated with the box body 1 through a guide pipe, the output end of the combustible gas storage tank 4 is provided with a first air inlet valve 5, a person opens the first air inlet valve 5, the combustible gas in the combustible gas storage tank 4 enters the box body 1, the environment is simulated and detected, the inner bottom of the box body 1 is provided with a cavity 12, one side of the inner bottom of the cavity 12 is fixedly provided with an air pump 10 through a bolt, the model of the air pump 10 is V-i120-R32, the input end of the air pump 10 is fixedly connected with the output end of the bottom of the box body 1 through a guide pipe, the output end of the air pump 10 is fixedly connected with the input end of the bottom of one side of the combustible gas storage tank 4 through a guide pipe, after the detection is finished, the air pump 10 is controlled to work, the combustible gas, meanwhile, the combustible gas in the box body 1 can be prevented from escaping to the outside to pollute the environment, the air pump 10 is electrically connected with the control mechanism 2 through a lead, the installation rod 13 is welded at the central position in the box body 1 and is used for installing an instrument to be detected, the experimental combustible gas detector 8 is fixedly installed at the central position of the installation rod 13 through a bolt, the experimental combustible gas detector 8 to be detected is placed in the box body 1 to detect the combustible gas in the box body 1, the gas sensor 9 is fixedly installed at the central position of one side in the box body 1 through a bolt, the gas sensor 9 is electrically connected with the control mechanism 2 through a lead, the gas sensor 9 detects the combustible gas in the box body 1, the detected data is transmitted to the control mechanism 2, and the experimental combustible gas detector 8 to be detected is placed in the box body 1, detect the inside combustible gas of box 1, there is explosion-proof light 103 one side at 1 top of box through bolt fixed mounting, and explosion-proof light 103 throws light on 1 inside of box, and the operating condition of being convenient for operating personnel observation experiment combustible gas detector 8, explosion-proof light 103 passes through wire and 2 electric connection of control mechanism.

Further, the front side central position department of air pump 10 is equipped with manometer 1001, and manometer 1001 records the pressure value of air pump 10, and the operating condition of air pump 10 is observed to the operating personnel of being convenient for, and the output of air pump 10 is equipped with second admission valve 1002, and the output of air pump 10 is equipped with discharge valve 1003, and second admission valve 1002 is used for controlling the closed state of air pump 10 input, and discharge valve 1003 is used for controlling the closed state of the defeated department end of air pump 10.

Further, buffer spring 6's top has inserted spacing inserted bar 601, and buffer spring 6's bottom has inserted spacing intubate 602, and inside spacing inserted bar 601 inserted spacing intubate 602, spacing inserted bar 601 and spacing intubate 602 carried on spacingly to buffer spring 6, avoided buffer spring 6 to take place the skew to lead to box 1 to empty, cause personnel's unexpected injury.

Further, a switch 202 is arranged at the center of the front face of the control mechanism 2, an operator controls the air pump 10 and the explosion-proof illuminating lamp 103 through the switch 202, a first display 201 is fixedly mounted at a position, close to the upper portion, of the front face of the control mechanism 2, the first display 201 is used for displaying detection data of the gas sensor 9, a plug 203 is connected to the center of the bottom of one side of the control mechanism 2 through a wire, and the plug 203 is connected with an external power supply to supply power to the device.

Further, a second display 801 is arranged at the top of the front face of the experimental combustible gas detector 8, the second display 801 displays detection data, three groups of indicator lamps 802 are arranged at the bottom of the front face of the experimental combustible gas detector 8, the indicator lamps 802 display the gas concentration inside the box body 1 and are classified into high alarm indication, low alarm indication and fault indication, three groups of equally-spaced shells 803 are arranged around the experimental combustible gas detector 8, the experimental combustible gas detector 8 is fixed on the mounting rod 13 through the shells 803, an alarm 805 is arranged on one side of the top of the experimental combustible gas detector 8, when the gas concentration in the box body 1 exceeds a certain value, the alarm 805 gives an alarm to remind personnel to take measures, the bottom of the experimental combustible gas detector 8 is provided with the second sensor 804, and the second sensor 804 detects the gas concentration in the box body 1 and converts the gas concentration into an electric signal to be displayed.

Further, the front central position of box 1 is equipped with chamber door 105, chamber door 105 is used for sealing up box 1, chamber door 105 front central position is equipped with observation window 101, observation window 101 is convenient for personnel to observe the inside experimental conditions of box 1, the central position department of the positive one side of chamber door 105 is equipped with handle 102, the personnel of being convenient for of handle 102 stimulate chamber door 105, the position department that box 1 openly corresponds with cavity 12 is equipped with ventilation hole 104, ventilation hole 104 is convenient for give off the heat inside cavity 12.

The working principle is as follows: before using the device, the device is used after detecting and confirming that no problem exists, an operator pulls the handle 102, the experimental combustible gas detector 8 is installed on the installation rod 13, the box body 1 is closed, an external power supply is connected through the plug 203, the first air inlet valve 5 is opened to release the combustible gas in the combustible gas storage tank 4 into the box body 1, the experimental combustible gas detector 8 starts to detect the concentration of the gas in the box body 1, the second display 801 displays the detection data, meanwhile, the gas sensor 9 detects the value of the combustible gas in the box body 1, then the detection data is transmitted to the control mechanism 2 and displayed through the first display 201, then the data on the first display 201 is compared with the data on the second display 801, whether the two groups of data are consistent or not is observed, when the two groups of data are consistent, the experimental combustible gas detector 8 can be normally used, when two sets of data are inconsistent, then experiment combustible gas detector 8 has a problem, unable normal use, when detecting the completion, close first admission valve 5, start aspiration pump 10 through switch 202, aspiration pump 10 takes the inside combustible gas of box 1 out, flow back through the pipe and be convenient for reuse inside combustible gas storage jar 4, after aspiration pump 10 extracts the completion, open relief valve 11, let in the external air inside box 1, adjust the inside atmospheric pressure of box 1, the personnel of being convenient for open chamber door 105.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. An environmental test chamber for a combustible gas detector, characterized by: comprises a box body (1), a control mechanism (2), a bottom plate (3), an experimental combustible gas detector (8) and an air pump (10); the top fixed mounting of bottom plate (3) has box (1), four angles fixed mounting of bottom plate (3) bottom have buffer spring (6), the bottom fixed mounting of buffer spring (6) has universal wheel (7), one side fixed mounting of box (1) has control mechanism (2), there is relief valve (11) at the top of box (1) opposite side, top one side fixed mounting of box (1) has combustible gas storage jar (4), the output of combustible gas storage jar (4) positive bottom is through pipe and box (1) intercommunication, the output of combustible gas storage jar (4) is equipped with first admission valve (5), the interior bottom of box (1) is equipped with cavity (12), one side fixed mounting of bottom has aspiration pump (10) in cavity (12), the input of aspiration pump (10) passes through the output fixed connection of pipe and box (1) bottom, the output of aspiration pump (10) passes through the input fixed connection of pipe and combustible gas storage jar (4) one side bottom, aspiration pump (10) are through wire and control mechanism (2) electric connection, the inside central point department fixed mounting of box (1) has installation pole (13), the central point department fixed mounting of installation pole (13) has experiment combustible gas detector (8), the central point department fixed mounting of the inside one side of box (1) has gas sensor (9), gas sensor (9) are through wire and control mechanism (2) electric connection, one side fixed mounting at box (1) top has explosion-proof light (103), and explosion-proof light (103) are through wire and control mechanism (2) electric connection.

2. An environmental test chamber for a combustible gas detector according to claim 1, wherein: the positive one side central point department of aspiration pump (10) is equipped with manometer (1001), the output of aspiration pump (10) is equipped with second admission valve (1002), the output of aspiration pump (10) is equipped with discharge valve (1003).

3. An environmental test chamber for a combustible gas detector according to claim 1, wherein: a limiting insertion rod (601) is inserted into the top of the buffer spring (6), a limiting insertion tube (602) is inserted into the bottom end of the buffer spring (6), and the limiting insertion rod (601) is inserted into the limiting insertion tube (602).

4. An environmental test chamber for a combustible gas detector according to claim 1, wherein: switch (202) are fixedly mounted at the front center position of control mechanism (2), first display (201) are fixedly mounted at the front side of control mechanism (2) close to the upper position, and plug (203) is connected at the center position of one side bottom of control mechanism (2) through a wire.

5. An environmental test chamber for a combustible gas detector according to claim 1, wherein: experiment combustible gas detector (8) positive top is equipped with second display (801), experiment combustible gas detector (8) positive bottom is equipped with three group pilot lamps (802), a week of experiment combustible gas detector (8) is equipped with three equidistant casings (803), one side at experiment combustible gas detector (8) top is equipped with alarm (805), the bottom of experiment combustible gas detector (8) is equipped with second sensor (804).

6. An environmental test chamber for a combustible gas detector according to claim 1, wherein: the front of the box body (1) is provided with a box door (105), the central position of the box door (105) is provided with an observation window (101), the central position of one side of the front of the box door (105) is provided with a handle (102), and the position of the front of the box body (1) corresponding to the cavity (12) is provided with a ventilation hole (104).