CN118038626A - Alarm and dust removal method thereof - Google Patents
Alarm and dust removal method thereof Download PDFInfo
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- CN118038626A CN118038626A CN202410344194.0A CN202410344194A CN118038626A CN 118038626 A CN118038626 A CN 118038626A CN 202410344194 A CN202410344194 A CN 202410344194A CN 118038626 A CN118038626 A CN 118038626A
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- 239000000428 dust Substances 0.000 title claims abstract description 126
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000002834 transmittance Methods 0.000 claims abstract description 66
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 230000006698 induction Effects 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 239000000779 smoke Substances 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
The application relates to the technical field of alarm equipment, in particular to an alarm and a dust removing method thereof, wherein the alarm comprises a mounting base, an induction unit and an alarm unit are arranged on the mounting base, a light-transmitting dust cover covered outside the induction unit, a light transmittance detection unit for detecting the light transmittance condition of the light-transmitting dust cover and a dust removing unit for removing dust from the light-transmitting dust cover are arranged on the mounting base, and an air inlet hole is formed in the light-transmitting dust cover; when the light transmittance detection unit detects that the light transmittance of the light-transmitting dust cover is lower than a preset value, the dust removal unit is started, and the application has the advantages of reducing the cost of manual inspection and the cost of manual dust removal and improving the use safety.
Description
Technical Field
The application relates to the technical field of alarm equipment, in particular to an alarm and a dust removal method thereof.
Background
In modern society, the safety of public places and production workshops is of paramount importance. In order to prevent disasters such as fire and poisoning by harmful gases, smoke and harmful gas alarms are widely used. The alarms consist of sensing units and alarm units, and the sensing units are controlled to alarm after detecting harmful gases, smoke and other detection media. Wherein the sensor of the sensing unit is generally wrapped with a dust filter screen to prevent dust from affecting the function thereof.
However, current alarms face a key problem. Although dust filters can prevent the sensor from being covered by dust to some extent, dust and insect carcasses, etc. can still cause the filter to clog. Worse, once the filter screen itself is plugged, it is difficult to detect and clean in time.
Such blockage problems may cause the alarm to malfunction, making it impossible to alarm in time in case of an emergency such as a fire or a leakage of harmful gases. This can have catastrophic consequences and people can be life threatening by relying on a failed alarm.
Therefore, a solution is urgently needed to ensure the normal operation of dust filters and to be able to find and clear clogged filters in time, thus ensuring the continuous effectiveness of the alarm. The method has important significance for guaranteeing the life safety of people.
Disclosure of Invention
In order to solve the risk caused by dust, the application provides an alarm and a dust removing method thereof.
In a first aspect, the present application provides an alarm, which adopts the following technical scheme:
The alarm comprises a mounting base, wherein an induction unit and an alarm unit are arranged on the mounting base, a light-transmitting dustproof cover, a light transmittance detection unit and a dust removal unit are arranged on the mounting base, the light-transmitting dustproof cover is covered outside the induction unit, the light transmittance detection unit is used for detecting the light transmittance condition of the light-transmitting dustproof cover, the dust removal unit is used for removing dust from the light-transmitting dustproof cover, and an air inlet detection hole is formed in the light-transmitting dustproof cover;
when the light transmittance detection unit detects that the light transmittance of the light-transmitting dust cover is lower than a preset value, the dust removal unit is started.
In one embodiment: the light transmittance detection unit is at least one, and comprises a light emitter and a light receiver which are respectively arranged at the inner side and the outer side of the light-transmitting dust cover, and the light emitter and the light receiver are oppositely arranged; or alternatively, the first and second heat exchangers may be,
The light transmittance detection unit comprises a light emitter and a light receiver which are arranged outside the light-transmitting dust cover, wherein the light emitter and the light receiver are oppositely arranged, and the light-transmitting dust cover is arranged between the light emitter and the light receiver.
In one embodiment: the light transmittance detection units are arranged in a plurality, and the light receivers are connected in series.
In one embodiment: the light emitter is a blue light or green light diode, and the light receiver is a blue light or green light sensor; or, the light emitter is a laser emitter, and the light receiver is a laser receiver.
In one embodiment: the light-transmitting dustproof cover is a light-transmitting silk screen and is detachably connected with the mounting base.
In one embodiment: the light-transmitting dust cover is connected with the installation base through a rotary buckle.
In one embodiment: the dust removal unit is a dust removal fan, an air blowing pipe is arranged on the installation base, and two ends of the air blowing pipe are respectively connected with the dust removal fan and the light-transmitting dust cover.
In one embodiment: the inner diameter of the air blowing pipe is larger than the caliber of the light-transmitting dust cover.
In one embodiment: the dust removing unit is preset with running time after being started, and stops when reaching the preset running time; and when the dust removing unit reaches the operation time and the transmittance detecting unit detects that the transmittance of the light-transmitting dust cover is lower than a preset value, a dust removing alarm signal is output.
In a second aspect, the application provides a dust removing method for an alarm, which adopts the following technical scheme:
a method of dedusting an alarm, comprising:
acquiring light transmittance detection information;
When the light transmittance detection information is smaller than a preset value, a dust removal maintenance signal is emitted to a dust removal unit;
when the working time of the dust removing unit reaches the preset running time, outputting a dust removing stopping signal to the dust removing unit;
And judging whether the light transmittance detection information is smaller than a preset value or not again, and outputting a dust removal alarm signal if the light transmittance detection information is smaller than the preset value.
In summary, the application has the following beneficial effects:
1. The light transmittance of the light-transmitting dust cover can be detected through the light transmittance detection unit to judge the dust accumulation condition, so that the cost of manual inspection is reduced;
2. The light-transmitting dust cover can be dedusted through the dust removing unit, so that the cost of manual dust removal is reduced;
3. when the dust removal unit can not finish the dust removal treatment of the light-transmitting dust cover, the dust removal operation can be automatically notified manually, and the use safety is effectively ensured.
Drawings
Fig. 1 is a schematic diagram of the structure of the present embodiment, showing one structure of a light transmittance detecting unit;
Fig. 2 is a bottom view of the present embodiment;
fig. 3 is a schematic diagram three of the structure of the present embodiment, showing another structure of the light transmittance detecting unit.
In the figure, 100, a mounting base; 110. an air blowing pipe; 120. a porous web; 200. an induction unit; 300. an alarm unit; 400. a light-transmitting dust-proof cover; 500. a light transmittance detection unit; 510. a light emitter; 520. a light receiver; 600. a dust removal unit; 700. a dust removal prompting unit; 800. and an electric control board.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
Example 1: an alarm, as shown in fig. 1, includes a mounting base 100, and the mounting base 100 is provided with an electric control board 800, an induction unit 200, an alarm unit 300, a light-transmitting dust cover 400, a light transmittance detection unit 500, a dust removal unit 600 and a dust removal prompting unit 700, in this embodiment, an upper end of the mounting base 100 is formed with a mounting base structure as a mounting end, but not limited thereto, and may have different structural arrangements according to different scenes and requirements.
The electric control board 800 is preset with a threshold value for starting the alarm unit 300 to alarm, the sensing unit 200 detects the harmful gas and the smoke, and when the concentration of the harmful gas and the smoke reach the set threshold value, the electric control board 800 starts the alarm unit 300 to alarm.
The induction unit 200 is fixedly installed at the bottom of the installation base 100, the light-transmitting dust cover 400 is detachably installed at the bottom of the installation base 100 and covers the induction unit 200, and the light-transmitting dust cover 400 is provided with an air inlet detection hole.
The light-transmitting dust cover 400 is a light-transmitting wire mesh, that is, a mesh-shaped structure formed by linear transparent materials, and the air inlet detection holes on the light-transmitting wire mesh can be in a strip-shaped or hole-shaped structure. Specifically, the light-transmitting dust cover 400 and the mounting base 100 are fixed by a rotary buckle connection in this embodiment.
The light transmittance detecting unit 500 is configured to detect the light transmittance of the light-transmitting dust cover 400, and the number of the light transmittance detecting units is at least one.
The light transmittance detection unit 500 includes a light emitter 510 and a light receiver 520, where the light emitter 510 and the light receiver 520 are respectively disposed on two sides inside and outside the light-transmitting dust-proof cover 400, and the light emitter 510 and the light receiver 520 are disposed opposite to each other, which is a preferred embodiment, and the light emitter 510 is disposed in the light-transmitting dust-proof cover 400. Wherein, the light emitter 510 and the light receiver 520 are all arranged around the sensing unit 200 as a circle.
The light receivers 520 of the plurality of transmittance detection units 500 are connected in series, so that dust removal and alarm operations can be performed when one of the transmittance detection units 500 is abnormal, the condition that the surface of the dust cover is covered by smoke can be detected in a larger range, and the sensitivity and accuracy are improved.
The light emitter 510 is a blue or green light diode and the light receiver 520 is a blue or green light sensor, and it should be emphasized here that the light of the light emitter 510 must be blue or green light, and not red light.
In other embodiments, the light emitter 510 is a laser emitter and the light receiver 520 is a laser receiver, where the laser emitter and the laser receiver have better detection accuracy, but are more costly to use, and therefore may be selected according to cost and accuracy of use in actual production.
As shown in fig. 3, in another embodiment, the light emitter 510 and the light receiver 520 are both disposed outside the light-transmitting dust-proof cover 400, the light emitter 510 and the light receiver 520 are disposed opposite to each other, and the light-transmitting dust-proof cover 400 is disposed between the light emitter 510 and the light receiver 520, and the number of the light transmittance detecting units 500 in this embodiment is at least one, wherein a plurality of light transmittance detecting units are preferably disposed.
As shown in fig. 1, the dust removing unit 600 is used for removing dust from the light-transmitting dust cover 400, wherein the dust removing unit 600 is a dust removing fan, which is disposed in the mounting base 100, and a gas blowing pipe 110 is disposed in the mounting base 100, the dust removing fan is connected to the upper end of the gas blowing pipe 110, and the lower end of the gas blowing pipe 110 is connected to the light-transmitting dust cover 400.
In order to achieve a better dust removing effect, the inner diameter of the air blowing pipe 110 is larger than the caliber of the light-transmitting dust cover 400, so that the whole dust cover 400 is removed, wherein, it should be noted that the air blowing and dust removing area of the air blowing pipe 110 must cover the position where the light of the light emitter 510 passes through the light-transmitting dust cover 400.
As shown in fig. 1 and 2, the lower end of the air blowing pipe 110 is provided with a porous net 120, and the holes on the porous net 120 may be round holes, waist-shaped holes, etc., so the porous net 120 may be an orifice plate or a wire mesh plate. The sensing unit 200 and the light emitter 510 are mounted on the porous net 120, and in order to avoid the light emitter 510 from being blocked by dust, air outlet holes on the porous net 120 can blow to the light emitter 510.
The alarm unit 300 and the dust-removing alarm unit 700 are provided outside the installation base 100, and may be a light alarm, a sound alarm or a simultaneous sound and light alarm, and in addition, the alarm mode is not limited thereto, and may be a remote alarm through the internet.
The sensing unit 200, the alarm unit 300, the transmittance detection unit 500, the dust removal unit 600 and the dust removal prompting unit 700 are all electrically connected with the electric control board 800, specifically, when the transmittance detection unit 500 detects that the transmittance of the light-transmitting dust cover 400 is lower than a preset value, the electric control board 800 controls the dust removal unit 600 to start to operate, and when the dust removal unit 600 reaches a preset operation time after being started, the electric control board 800 controls the dust removal unit 600 to stop. And judges whether the transmittance of the light-transmitting dust cover 400 detected by the transmittance detection unit 500 is lower than a preset value, if so, the electric control board 800 outputs a dust-removing alarm signal to the dust-removing prompt unit 700 for alarming.
In addition, in order to further reduce the manual intervention, the dust removing unit 600 may be started for multiple times, that is, the dust removing unit 600 is set to alarm through the dust removing prompt unit 700 only when the light transmittance of the light transmittance detecting unit 500 detects that the light transmittance of the light transmittance dust cover 400 is still lower than the preset value after multiple operations.
Embodiment 2a method for dedusting an alarm includes:
The transmittance detection information is acquired, specifically, the transmittance detection information is acquired specifically through the detection of the transmittance detection unit 500, and since the transmittance detection unit 500 is set to be plural, the transmittance detection information is acquired in real time.
When the light transmittance detection information is smaller than a preset value, a dust removal maintenance signal is emitted to the dust removal unit 600. That is, when the light-transmitting dust-proof cover 400 is covered by the pollution to cause the electrical signal parameter of any one or more of the light receivers 520 to be lower than a preset value, the electric control board 800 controls the dust removal unit 600 to start dust removal.
When the working time of the dust removing unit 600 reaches the preset operation time, a dust removing stopping signal is output to the dust removing unit 600, specifically, the preset operation time is realized through a timing circuit, namely, after the dust removing unit 600 is started, the time delay closing is realized through the timing circuit.
While the dust removing unit 600 is stopped, it is again determined whether the light transmittance detection information is less than a preset value, and if so, a dust removing alarm signal is output.
Specifically, the re-judgment can be implemented in various ways, in an embodiment, the re-judgment can be implemented by setting a counter, that is, counting the start and stop of the timing circuit or the dust removing unit 600, and outputting a dust removing alarm signal when the count is not 0 and the light transmittance detection information is smaller than a preset value.
In another embodiment, the method can also be realized by a timing circuit, and a series circuit is adopted, namely, the alarm signal when the detected light transmittance detection information for the first time is smaller than a preset value is output in a delayed mode, wherein the delayed time is identical to the preset operation time. When the delay time is reached and the light transmittance detection information is smaller than the preset value, the alarm signal is output again, and when the alarm signal is output twice at the moment, the serial circuit is conducted to alarm.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. An alarm comprises an installation base (100), wherein an induction unit (200) and an alarm unit (300) are arranged on the installation base (100), and the alarm is characterized in that: the mounting machine seat (100) is provided with a light-transmitting dustproof cover (400) covered outside the sensing unit (200), a light transmittance detection unit (500) for detecting the light transmittance condition of the light-transmitting dustproof cover (400) and a dust removal unit (600) for removing dust from the light-transmitting dustproof cover (400), and the light-transmitting dustproof cover (400) is provided with an air inlet hole;
And when the light transmittance detection unit (500) detects that the light transmittance of the light-transmitting dust cover (400) is lower than a preset value, starting the dust removal unit (600).
2. An alarm as claimed in claim 1, wherein: the light transmittance detection unit (500) is at least one, the light transmittance detection unit (500) comprises a light emitter (510) and a light receiver (520) which are respectively arranged at the inner side and the outer side of the light transmittance dust cover (400), and the light emitter (510) and the light receiver (520) are oppositely arranged; or alternatively, the first and second heat exchangers may be,
The light transmittance detection unit (500) comprises a light emitter (510) and a light receiver (520) which are arranged outside the light-transmitting dust cover (400), wherein the light emitter (510) and the light receiver (520) are oppositely arranged, and the light-transmitting dust cover (400) is positioned between the light emitter (510) and the light receiver (520).
3. An alarm unit according to claim 2 or 3, wherein: the light transmittance detection units (500) are arranged in a plurality, and the light receivers (520) are connected in series.
4. An alarm unit according to claim 2 or 3, wherein: the light emitter (510) is a blue or green light diode, and the light receiver (520) is a blue or green light sensor; or, the light emitter (510) is a laser emitter, and the light receiver (520) is a laser receiver.
5. An alarm as claimed in claim 1, wherein: the light-transmitting dustproof cover (400) is a light-transmitting silk screen, and the light-transmitting dustproof cover (400) is detachably connected with the mounting base (100).
6. An alarm unit according to claim 4, wherein: the light-transmitting dust cover (400) is connected with the mounting base (100) through a rotary buckle.
7. An alarm as claimed in claim 1, wherein: the dust removal unit (600) is a dust removal fan, an air blowing pipe (110) is arranged on the installation base (100), and two ends of the air blowing pipe (110) are respectively connected with the dust removal fan and the light-transmitting dust cover (400).
8. An alarm unit according to claim 7, wherein: the inner diameter of the air blowing pipe (110) is larger than the caliber of the light-transmitting dust cover (400).
9. An alarm as claimed in claim 1 or 8, wherein: the dust removing unit (600) is preset with operation time after being started, and stops when the operation time reaches the preset operation time; and when the dust removing unit (600) reaches the operation time and the light transmittance detecting unit (500) detects that the light transmittance of the light-transmitting dust cover (400) is lower than a preset value, a dust removing alarm signal is output.
10. A method of dedusting an alarm as claimed in claim 1 or 9, comprising:
acquiring light transmittance detection information;
Transmitting a dust removal maintenance signal to a dust removal unit (600) when the light transmittance detection information is smaller than a preset value;
outputting a dust removal stopping signal to the dust removal unit (600) when the working time of the dust removal unit (600) reaches a preset running time;
And judging whether the light transmittance detection information is smaller than a preset value or not again, and outputting a dust removal alarm signal if the light transmittance detection information is smaller than the preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410344194.0A CN118038626A (en) | 2024-03-25 | 2024-03-25 | Alarm and dust removal method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410344194.0A CN118038626A (en) | 2024-03-25 | 2024-03-25 | Alarm and dust removal method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118038626A true CN118038626A (en) | 2024-05-14 |
Family
ID=90991370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410344194.0A Pending CN118038626A (en) | 2024-03-25 | 2024-03-25 | Alarm and dust removal method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118038626A (en) |
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2024
- 2024-03-25 CN CN202410344194.0A patent/CN118038626A/en active Pending
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