CN220400054U - Gas boiler flue gas on-line measuring alarm device - Google Patents
Gas boiler flue gas on-line measuring alarm device Download PDFInfo
- Publication number
- CN220400054U CN220400054U CN202321910518.XU CN202321910518U CN220400054U CN 220400054 U CN220400054 U CN 220400054U CN 202321910518 U CN202321910518 U CN 202321910518U CN 220400054 U CN220400054 U CN 220400054U
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- Prior art keywords
- main board
- control main
- electrically connected
- gas
- alarm device
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- 239000007789 gas Substances 0.000 title claims abstract description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000003546 flue gas Substances 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000004200 deflagration Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 239000002341 toxic gas Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000034994 death Effects 0.000 description 2
- 231100000517 death Toxicity 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 208000037974 severe injury Diseases 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a flue gas online detection alarm device for a gas boiler, and relates to the technical field of flue gas online detection devices. The device comprises a shell, wherein a control main board is arranged in the shell, and a power supply connecting wire with a plug is electrically connected to the control main board; the display component comprises a liquid crystal display screen which is in signal connection with a signal output end of the control main board, and a plurality of keys are electrically connected to a signal input end of the control main board; the detector is arranged on the control main board, and is electrically connected with an output interface which is inserted with the detector; the signal output end of the sensor is electrically connected with the signal input end of the detector, and the sensor is used for converting detected gas into corresponding voltage signals and outputting the corresponding voltage signals. The utility model can prevent the deflagration of the combustible gas in the hearth by detecting the flue gas in the gas boiler on line.
Description
Technical Field
The utility model relates to the technical field of flue gas online detection devices, in particular to a flue gas online detection alarm device for a gas boiler.
Background
According to the accident grade classification standard of the production safety accident report and investigation treatment regulations, 30 accidents are classified, and in the 30 accidents, 13 people die due to the occurrence of major accident 1, and the direct economic loss is 500 ten thousand; the larger accident 3 causes death of 3, 5 and 7 people respectively; the common accident 24 accounts for 80 percent, and the common accident accounts for relatively high ratio, but does not indicate that the furnace accident of the gas boiler has no serious consequences. 24 common accidents cause 17 deaths, 20 severe injuries and 36 light injuries, and the direct economic loss is 2495.03 ten thousand yuan. The result of the explosion accident of the gas boiler furnace is serious.
At present, when the existing newly-built or technically-improved boiler is poor in brand of a combustion engine and is debugged by a non-combustion engine professional technician, and after the first ignition fails, the ignition is started for many times in violation of regulations under the conditions that the leakage detector detects no failure and the failure is not removed, so that natural gas enters a furnace body to form mixed gas, and the mixed gas is burnt and exploded when meeting open fire.
Disclosure of Invention
The utility model aims to provide an on-line detection alarm device for flue gas of a gas boiler, which can prevent the deflagration of combustible gas in a hearth by detecting the flue gas in the gas boiler on line.
The utility model is realized in the following way:
the application provides a gas boiler flue gas on-line measuring alarm device, include: the shell is internally provided with a control main board, and the control main board is electrically connected with a power supply connecting wire with a plug; the display component comprises a liquid crystal display screen which is in signal connection with a signal output end of the control main board, and a plurality of keys are electrically connected to a signal input end of the control main board; the detector is provided with an output interface which is electrically connected with the control main board, and the detector is inserted into the output interface; and the signal output end of the sensor is electrically connected with the signal input end of the detector, and the sensor is used for converting detected gas into corresponding voltage signals and outputting the corresponding voltage signals.
In the utility model, a battery module is further arranged in the shell, and the battery module is respectively and electrically connected with the control main board and the power supply connecting wire, and the battery module comprises a battery compartment or a rechargeable battery.
In the utility model, the shell is provided with a through hole through which the power supply connecting wire passes, and the through hole is provided with a silica gel protection pad.
In the utility model, the control main board is provided with a plurality of indicator lamps electrically connected with the signal output end of the control main board.
In the utility model, the shell is hinged with a box door, and the box door is provided with a box lock which is detachably connected with the shell.
In the utility model, the control main board is also provided with a standby electric interface and a standby electric switch which are electrically connected with the control main board.
In the present utility model, the control motherboard is provided with a switching value output interface electrically connected with the control motherboard.
Compared with the prior art, the utility model has at least the following advantages or beneficial effects:
the alarm device specifically comprises a shell, a display part, a detector and a sensor, wherein the shell is internally used for placing a control main board, a power connection wire with a plug is electrically connected to the control main board, namely, the power connection wire with the plug can be inserted into a socket through the plug to supply power to the control main board, the display part is further arranged in the shell and comprises a liquid crystal display screen, the liquid crystal display screen is connected with a signal output end of the control main board through signals, namely, information and the like received by the control main board can be transmitted through the liquid crystalThe display screen displays, the liquid crystal display screen is fixed on the shell, a plurality of keys are electrically connected to the signal input end of the control main board, and a menu and a reset are respectively carved on the keys "</-”、“+/>The words "determine" and "mute/cancel" are that specific work can be achieved by pressing a key. The output interface is electrically connected to the control main board, the detector is inserted into the output interface, the detector is 4-20mA, and is connected with the control main board through the output interface, but the control main board only collects signals of the detector, the control main board cannot set the signals, zero calibration and single-point calibration functions are used under the guidance of technicians, and if the control main board is in misoperation, the setting can be recovered. In the corresponding function page, useRegulating the value of the composition by using +.> And switching units, tens and hundreds, adjusting to a target value, and then checking by pressing an [ OK ] key. If the operation is successful, the nixie tube displays COOL, otherwise, FAIL is displayed. The detector should be installed in the place where the gas is easy to leak, flow and stay, and the installation position should be determined according to various conditions such as the density of the detected gas, the direction of the gas flow at the installation site, the temperature and the like. Effective coverage horizontal radius of the spot gas detector: preferably 7.5 meters indoors and 5 meters outdoors (downwind side of annual minimum frequency wind direction of the release source). A detector may be disposed within the effective coverage area. The detector selection point should select a range of not less than 1 meter and not more than 3 meters of a square circle near a valve, a pipeline interface, an air outlet or an easy-leakage point, and the operation of other equipment is not affected. When detecting combustible or toxic gases such as methane, hydrogen and the like which are lighter than air, the installation height of the gas sensor is preferably 0.5-2 meters higher than that of the release source, and the horizontal distance from the release source is preferably not more than 4 meters. When detecting combustible or toxic gases heavier than air, a detector is recommendedThe installation height is 0.3-0.6 meter higher than the terrace (or floor surface), and the horizontal distance from the release source is preferably less than 5 meters. The water inlet of the detector is easily caused by too low installation; too high a level above which the gas tends to accumulate. When detecting toxic gases (such as carbon monoxide) which have a molecular weight close to that of air and are extremely easy to mix with air, the detector should be installed in a height range of 0.5-1 m from the release source; when the toxic gas is slightly lighter than the air, the detector is arranged above the release source, and when the toxic gas is slightly heavier than the air, the detector is arranged below the release source; the horizontal distance of the detector from the release source is preferably not less than 1 meter and not more than 3 meters. The sensor is electrically connected with the detector, and is used for converting detected gas into corresponding voltage signals to be output, the voltage signals are uploaded to the control main board after being processed by the detector, and the control main board analyzes and displays data on a screen after receiving the voltage signals.
Notably, the output interfaces include a detector power interface, a detector signal interface, and a 485 output.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a smoke on-line detection alarm device for a gas boiler according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram II of a smoke on-line detection alarm device for a gas boiler according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram III of a smoke on-line detection alarm device for a gas boiler according to an embodiment of the present utility model;
FIG. 4 is a schematic structural diagram of a control main board in an on-line detection and alarm device for flue gas of a gas boiler according to an embodiment of the present utility model;
FIG. 5 is a schematic circuit diagram of an on-line detection alarm device for flue gas of a gas boiler according to an embodiment of the utility model.
Icon: 1-a housing; 2-a control main board; 3-liquid crystal display; 4-key; 5-indicator lights; 6-battery module; 7-a power supply connection line; 8-box door; 9-a case lock; 10-a standby power interface; 11-through holes; 12-output interface.
Detailed Description
Examples
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an on-line flue gas detection alarm device for a gas boiler according to an embodiment of the present utility model; FIG. 2 is a schematic diagram II of a smoke on-line detection alarm device for a gas boiler according to an embodiment of the present utility model; FIG. 3 is a schematic diagram III of a smoke on-line detection alarm device for a gas boiler according to an embodiment of the present utility model; fig. 4 is a schematic structural diagram of a control main board 2 in an on-line detecting and alarming device for flue gas of a gas boiler according to an embodiment of the present utility model; FIG. 5 is a schematic circuit diagram of an on-line detection alarm device for flue gas of a gas boiler according to an embodiment of the utility model.
The embodiment of the application provides a gas boiler flue gas on-line measuring alarm device, include: the power supply device comprises a shell 1, wherein a control main board 2 is arranged in the shell 1, and a power supply connecting wire 7 with a plug is electrically connected to the control main board 2; the display part comprises a liquid crystal display 3 which is in signal connection with a signal output end of the control main board 2, and a plurality of keys 4 are electrically connected to a signal input end of the control main board 2; the detector is characterized in that the control main board 2 is provided with an output interface 12 which is electrically connected, and the detector is inserted into the output interface 12; and the signal output end of the sensor is electrically connected with the signal input end of the detector, and the sensor is used for converting detected gas into corresponding voltage signals and outputting the corresponding voltage signals.
In some embodiments of the present utility model, a battery module 6 is further disposed inside the housing 1, and the battery module 6 is electrically connected to the control motherboard 2 and the power connection line 7, respectively, and the battery module 6 includes a battery compartment or a rechargeable battery.
When in actual use, the battery module 6 is arranged in the shell 1, and the battery module 6 comprises a battery compartment or a rechargeable battery, so that the effect of directly charging or using the battery can be achieved.
In some embodiments of the present utility model, the housing 1 is provided with a through hole 11 through which the power connection wire 7 passes, and the through hole 11 is provided with a silica gel protection pad.
When in actual use, the through hole 11 is formed in the shell 1, the through hole 11 is used for the power supply connecting wire 7 to pass through, the silica gel protection pad is arranged on the through hole 11, and the silica gel protection pad can play a role in protecting the power supply connection through the through hole 11.
In some embodiments of the present utility model, the control motherboard 2 is provided with a plurality of indicator lamps 5 electrically connected to the signal output terminals of the control motherboard 2.
In actual use, the control main board 2 is provided with a plurality of indicator lamps 5 electrically connected with the signal output ends of the control boards, and the indicator lamps 5 are also provided with alarm, fault, silencing, main power and standby power, namely, the state of the current instrument can be obtained through the prompt of the indicator lamps 5.
In some embodiments of the present utility model, a door 8 is hinged to the housing 1, and a cabinet lock 9 detachably connected to the housing 1 is provided on the door 8.
When in actual use, the box door 8 is hinged on the shell 1, the box door 8 is used for protecting all parts in the shell 1, the box door 8 is provided with the box lock 9, and the box lock 9 can lock the box door 8 on the shell 1, so that the box door 8 is prevented from being opened by oneself.
In some embodiments of the present utility model, the control motherboard 2 is further provided with a standby interface 10 and a standby switch electrically connected thereto.
In actual use, the control main board 2 is provided with an electrical connection standby interface 10 and a standby switch, the standby interface 10 and the standby switch are used for switching on a standby power supply, and the standby power supply is a standby device for supplying power, and is usually started when a normal power supply fails or fails so as to ensure that the device or the system continues to operate normally.
In some embodiments of the present utility model, the control motherboard 2 is provided with a switching value output interface 12 electrically connected thereto.
In actual use, the control main board 2 is provided with an electrically connected switching value output interface 12, and switching value output is a function of converting a sensed analog or digital signal into a switching value signal by the sensor and then outputting the switching value signal.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a gas boiler flue gas on-line measuring alarm device which characterized in that includes:
the shell is internally provided with a control main board, and the control main board is electrically connected with a power supply connecting wire with a plug;
the display part comprises a liquid crystal display screen which is in signal connection with a signal output end of the control main board, and a plurality of keys are electrically connected to a signal input end of the control main board;
the detector is arranged on the control main board, and an output interface is electrically connected with the control main board and is inserted with the detector;
the signal output end of the sensor is electrically connected with the signal input end of the detector, and the sensor is used for converting detected gas into corresponding voltage signals and outputting the corresponding voltage signals.
2. The gas boiler flue gas on-line detection alarm device according to claim 1, wherein a battery module is further arranged in the shell, the battery module is respectively and electrically connected with the control main board and the power supply connecting wire, and the battery module comprises a battery compartment or a rechargeable battery.
3. The gas boiler flue gas on-line detection alarm device according to claim 1, wherein a through hole for the power supply connecting wire to pass through is formed in the shell, and a silica gel protection pad is arranged on the through hole.
4. The on-line detection and alarm device for flue gas of a gas boiler according to claim 1, wherein a plurality of indicator lamps electrically connected with the signal output end of the control main board are arranged on the control main board.
5. The on-line detection and alarm device for flue gas of a gas boiler according to claim 1, wherein the case door is hinged to the case body, and a case lock detachably connected with the case body is arranged on the case door.
6. The on-line detection and alarm device for flue gas of gas boiler according to claim 1, wherein the control main board is further provided with a standby electric interface and a standby electric switch electrically connected with the control main board.
7. The on-line detection and alarm device for flue gas of gas boiler according to claim 1, wherein the control main board is provided with a switching value output interface electrically connected with the control main board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321910518.XU CN220400054U (en) | 2023-07-20 | 2023-07-20 | Gas boiler flue gas on-line measuring alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321910518.XU CN220400054U (en) | 2023-07-20 | 2023-07-20 | Gas boiler flue gas on-line measuring alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220400054U true CN220400054U (en) | 2024-01-26 |
Family
ID=89614450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321910518.XU Active CN220400054U (en) | 2023-07-20 | 2023-07-20 | Gas boiler flue gas on-line measuring alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220400054U (en) |
-
2023
- 2023-07-20 CN CN202321910518.XU patent/CN220400054U/en active Active
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