CN217385381U - Automatic calibration device for combustible detector - Google Patents
Automatic calibration device for combustible detector Download PDFInfo
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- CN217385381U CN217385381U CN202122809934.8U CN202122809934U CN217385381U CN 217385381 U CN217385381 U CN 217385381U CN 202122809934 U CN202122809934 U CN 202122809934U CN 217385381 U CN217385381 U CN 217385381U
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- programmable logic
- logic controller
- automatic calibration
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Abstract
The utility model provides a combustible gas detector automatic calibration device, including the device shell, device shell inboard is provided with programmable logic controller, programmable logic controller inboard is provided with the time-recorder, device shell inboard is provided with the gas pitcher, one side of gas pitcher is through pipeline fixedly connected with relief pressure valve, the one end fixedly connected with solenoid valve of relief pressure valve, programmable logic controller and solenoid valve electric connection, programmable logic controller and relief pressure valve electric connection, device shell top is provided with installation interface and pipeline, the one end fixedly connected with installation interface of pipeline, the one end of installation interface is provided with combustible gas detector, one side fixedly connected with siren of combustible gas detector, programmable logic controller and combustible gas detector electric connection; through the arrangement of the programmable logic controller, the data is more accurate, the detection speed is increased, and the efficiency is improved.
Description
Technical Field
The utility model relates to a detector calibration technical field, in particular to combustible detector automatic calibration device.
Background
At present, with the continuous improvement of production environment safety policies, various combustible gas detectors gradually become necessary early warning equipment in industrial safety production, so that the gas alarm industry is rapidly developed, and the demand of the industry on the gas detectors is greatly increased. And the process for producing the detector has various contents, including shell glue filling, shell water pressure testing, mainboard burning program, component equipment, function testing, quality inspection, aging and the like. The function test is usually artificial current calibration, and the artificial current calibration needs to add an independent process and is adjusted by connecting a current meter, so that the problems of high labor cost, low efficiency and low detection accuracy of a test link are caused.
Through retrieval, the chinese patent publication No. CN213121789U discloses a calibration device and a calibration system for a gas detector, which includes a current detection module, a gas supply module, and a calibration module, wherein the gas detector is electrically connected to the current detection module, the gas supply module, and the calibration module respectively; the current detection module comprises a detection unit and a judgment unit which are connected with each other, and a first current circuit and a second current circuit for detection are arranged between the detection unit and the gas detector.
The calibration device and the calibration system for the gas detector in the above patent have the following disadvantages: the device obtains whether the actual output current from the detection unit is positioned in a first preset interval through the suppression current path of the gas detector and the actual output current path of the detection unit which are arranged between the detection unit and the gas detector, and then outputs standard gas to judge whether the detector is in an abnormal state.
For this purpose, an automatic calibration device for a combustible detector is proposed.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide an automatic calibration device for a flammable detector, which solves or alleviates the technical problems in the prior art, and at least provides a useful choice.
The embodiment of the utility model provides a technical scheme is so realized: the automatic calibration device for the combustible detector comprises a device shell, wherein a programmable logic controller is arranged on the inner side of the device shell, a timer is arranged at the inner side of the programmable logic controller, a display screen and an operation panel are arranged at one side of the programmable logic controller, the inner side of the device shell is provided with a gas tank, one side of the gas tank is fixedly connected with a pressure reducing valve through a pipeline, one end of the pressure reducing valve is fixedly connected with an electromagnetic valve, the programmable logic controller is electrically connected with the electromagnetic valve, the programmable logic controller is electrically connected with the pressure reducing valve, a mounting interface and a pipeline are arranged above the device shell, one end of the pipeline is fixedly connected with an installation interface, one end of the installation interface is provided with a combustible gas detector, one side of the combustible gas detector is fixedly connected with an alarm, and the programmable logic controller is electrically connected with the combustible gas detector.
In some embodiments, a device cover is bolted over the device housing.
In some embodiments, one end of the electromagnetic valve is fixedly connected with a float flowmeter, and the pipeline is fixedly connected with the float flowmeter.
In some embodiments, the float flow meter is located on one side of the device housing, and an adjusting knob is rotatably connected to one side of the float flow meter, and is provided with scale lines.
In some embodiments, a power source is disposed in the device housing, one side of the power source penetrates through the device housing and is fixedly connected with a power socket, and the power source is electrically connected with the programmable logic controller.
In some embodiments, a plug is fixedly connected to one end of the combustible gas detector, and the plug is matched with an electric outlet.
In some embodiments, an air inlet pipe is fixedly connected to one side of the air tank, and a valve is fixedly connected to one side of the air inlet pipe.
In some embodiments, a solar panel is disposed on the device cover, the solar panel is electrically connected to a power supply, a through hole is formed in one side of the device housing, a heat sink is fixedly connected to the through hole, and a heat sink button is disposed on one side of the heat sink.
The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:
1. the whole detection process of the device is controlled by the programmable logic controller, so that the data is more accurate, and gas directly flows to the combustible gas detector through the electromagnetic valve and the flowmeter, so that the detection speed is greatly increased, and the efficiency is improved.
2. Combustible gas detector automatic calibration device through being provided with installation interface and supply socket for combustible gas detector can be directly through having installation interface and pipeline intercommunication, and with the plug insert supply socket can, saved artifical and be convenient for the proofreading of large quantity.
3. Combustible detector automatic calibration device can supply power for the power through being provided with solar panel, and dispels the heat to device shell inside through the radiator to the life-span of extension device.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an external view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a schematic diagram of a second embodiment of the present invention.
Reference numerals:
1-device shell, 2-device cover, 3-display screen, 4-operation panel, 5-combustible gas detector, 6-alarm, 7-installation interface, 8-pipeline, 9-power socket, 10-float flowmeter, 11-graduation line, 12-adjusting knob, 13-programmable logic controller, 14-gas tank, 15-pressure reducing valve, 16-solenoid valve, 17-power supply, 18-gas inlet pipe, 19-valve, 20-plug, 21-solar power generation board, 22-radiator and 23-radiator button.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-3, the automatic calibration device for a combustible detector comprises a device housing 1, wherein a programmable logic controller 13 is arranged on the inner side of the device housing 1, a timer is arranged on the inner side of the programmable logic controller 13, a display screen 3 and an operation panel 4 are arranged on one side of the programmable logic controller 13, a gas tank 14 is arranged on the inner side of the device housing 1, a pressure reducing valve 15 is fixedly connected to one side of the gas tank 14 through a pipeline, an electromagnetic valve 16 is fixedly connected to one end of the pressure reducing valve 15, the programmable logic controller 13 is electrically connected to the electromagnetic valve 16, the programmable logic controller 13 is electrically connected to the pressure reducing valve 15, a mounting interface 7 and a pipeline 8 are arranged above the device housing 1, a mounting interface 7 is fixedly connected to one end of the pipeline 8, and a combustible gas detector 5 is arranged at one end of the mounting interface 7, one side of the combustible gas detector 5 is fixedly connected with an alarm 6, and the programmable logic controller 13 is electrically connected with the combustible gas detector 5; through being provided with programmable logic controller 13, gas pitcher 14 and relief pressure valve 15, make when testing personnel let the device detect the back through operation panel 4, programmable logic controller 13 then starts timer and relief pressure valve 15, and through opening solenoid valve 16, make the gas in the gas pitcher 14 pass through the pipeline and carry to installation interface 7, through being provided with installation interface 7 and siren 6, make combustible gas detector 5 accessible installation interface 7 and pipe connection, thereby detect the gas in the pipeline, when gas reaches combustible value, siren 6 then begins the warning, programmable logic controller 13 then stops timing and calculates gas from ventilating to the time of reporting to the police this moment, and show through display screen 3.
In the embodiment, one end of the electromagnetic valve 16 is fixedly connected with a float flowmeter 10, the float flowmeter 10 is positioned on one side of the device shell 1, one side of the float flowmeter 10 is rotatably connected with an adjusting knob 12, the adjusting knob 12 is provided with scale marks 11, and the pipeline 8 is fixedly connected with the float flowmeter 10; the float flowmeter 10, the scale mark 11 and the adjusting knob 12 are arranged, so that the gas enters the float flowmeter 10 after passing through the electromagnetic valve 16, and the flow rate of the gas is adjusted by the adjusting knob 12 and the scale mark 11 to reach the specified flow rate.
In this embodiment, a power supply 17 is arranged in the device housing 1, one side of the power supply 17 penetrates through the device housing 1 and is fixedly connected with a power socket 9, one end of the combustible gas detector 5 is fixedly connected with a plug 20, the power supply 17 is electrically connected with the programmable logic controller 13, and the plug 20 is matched with the power socket 9; the power supply 17 is provided so that the power supply 17 can supply power to the programmable logic controller 13, the pressure reducing valve 15 and the solenoid valve 16, while the power supply 17 can supply power to the combustible gas detector 5 through the plug 20 and the power outlet 9.
In the present embodiment, an air inlet pipe 18 is fixedly connected to one side of the air tank 14, and a valve 19 is fixedly connected to one side of the air inlet pipe 18; by providing the inlet pipe 18 and the valve 19, when the gas in the gas tank 14 is insufficient, the valve 19 is opened and the inlet pipe 18 is connected to the gas supply pipe, so that the gas is supplied from the inlet pipe 18 to the gas tank 14.
In the present embodiment, a device cover 2 is bolted to the upper side of the device case 1; by providing the device cover 2, when the internal parts are out of order, the bolts can be removed to repair or replace the internal parts, or the power supply can be replaced when the power supply is insufficient.
The working principle is as follows:
1. firstly, the electromagnetic valve 16 is closed through the programmable logic controller 13, then the valve 19 is opened, and the air inlet pipe 18 is connected with an air supply pipeline, so that the interior of the air tank 14 is inflated through the air inlet pipe 18;
2. after the inflation is finished, closing the valve 19 and releasing the connection of the gas supply pipeline;
3. when calibration is to be carried out, the combustible gas detector 5 to be calibrated is connected through the mounting interface 7;
4. inserting the plug 20 into the power socket 9, and turning on the combustible gas detector 5;
5. a command is issued to the programmable logic controller 13 through the operation panel 4 so as to cause the programmable logic controller 13 to activate the pressure reducing valve 15;
6. the programmable logic controller 13 opens the electromagnetic valve 16 and starts a timer to time;
7. the float flowmeter 10 is adjusted through an adjusting knob 12 and confirmed through a scale mark 11;
8. when the gas reaches a certain value, the alarm 6 starts to give an alarm, and the timer stops timing;
9. the programmable logic controller 13 calculates the time by the timer and displays the detection result by the display screen 3.
Example 2:
an automatic calibration device for a combustible detector is improved based on embodiment 1, as shown in fig. 1-4, a solar power generation panel 21 is arranged on a device cover 2, the solar power generation panel 21 is electrically connected with a power supply 17, a through hole is formed in one side of a device shell 1, a radiator 22 is fixedly connected with the through hole, and a radiator button 23 is arranged on one side of the radiator 22; the solar panel 21 is provided to supplement power supply for the power supply 17, and the heat sink 22 and the heat sink button 23 are provided to activate the heat sink 22, so that the inside of the device is radiated through the through hole formed in the device case 1.
The working principle is as follows:
the solar panel 21 supplements the power supply 17, so that the power supply can be replaced without frequently disassembling the device cover 2, and when the device works for a long time or the weather is hot, the heat can be dissipated from the inside of the device shell 1 through the heat radiator 22, and the service life of the device is prolonged.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. Combustible detector automatic calibration device, including device shell (1), its characterized in that: the device is characterized in that a programmable logic controller (13) is arranged on the inner side of the device shell (1), a timer is arranged on the inner side of the programmable logic controller (13), a display screen (3) and an operation panel (4) are arranged on one side of the programmable logic controller (13), a gas tank (14) is arranged on the inner side of the device shell (1), a pressure reducing valve (15) is fixedly connected to one side of the gas tank (14) through a pipeline, an electromagnetic valve (16) is fixedly connected to one end of the pressure reducing valve (15), the programmable logic controller (13) is electrically connected with the electromagnetic valve (16), the programmable logic controller (13) is electrically connected with the pressure reducing valve (15), an installation interface (7) and a pipeline (8) are arranged above the device shell (1), an installation interface (7) is fixedly connected to one end of the pipeline (8), a combustible gas detector (5) is arranged at one end of the installation interface (7), one side fixedly connected with siren (6) of combustible gas detector (5), programmable logic controller (13) and combustible gas detector (5) electric connection.
2. The automatic calibration device for a flammable detector according to claim 1, wherein: the upper part of the device shell (1) is connected with a device cover (2) through a bolt.
3. The automatic calibration device of a combustible detector according to claim 1, wherein: one end of the electromagnetic valve (16) is fixedly connected with a float flowmeter (10), and the pipeline (8) is fixedly connected with the float flowmeter (10).
4. The automatic calibration device of a combustible detector according to claim 3, characterized in that: the float flowmeter (10) is located on one side of the device shell (1), one side of the float flowmeter (10) is rotatably connected with an adjusting knob (12), and the adjusting knob (12) is provided with scale marks (11).
5. The automatic calibration device for a flammable detector according to claim 1, wherein: the device is characterized in that a power supply (17) is arranged in the device shell (1), one side of the power supply (17) penetrates through the device shell (1) and is fixedly connected with a power socket (9), and the power supply (17) is electrically connected with the programmable logic controller (13).
6. The automatic calibration device for a flammable detector according to claim 5, wherein: one end of the combustible gas detector (5) is fixedly connected with a plug (20), and the plug (20) is matched with a power socket (9).
7. The automatic calibration device for a flammable detector according to claim 1, wherein: one side of the air tank (14) is fixedly connected with an air inlet pipe (18), and one side of the air inlet pipe (18) is fixedly connected with a valve (19).
8. The automatic calibration device of a combustible detector according to claim 2, wherein: the solar energy power generation device is characterized in that a solar energy power generation panel (21) is arranged on the device cover (2), the solar energy power generation panel (21) is electrically connected with a power supply (17), a through hole is formed in one side of the device shell (1) and is fixedly connected with a radiator (22) through the through hole, and a radiator button (23) is arranged on one side of the radiator (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122809934.8U CN217385381U (en) | 2021-11-17 | 2021-11-17 | Automatic calibration device for combustible detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122809934.8U CN217385381U (en) | 2021-11-17 | 2021-11-17 | Automatic calibration device for combustible detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217385381U true CN217385381U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122809934.8U Active CN217385381U (en) | 2021-11-17 | 2021-11-17 | Automatic calibration device for combustible detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217385381U (en) |
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2021
- 2021-11-17 CN CN202122809934.8U patent/CN217385381U/en active Active
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