CN112362806A - Indoor harmful gas detection device with alarm function and use method - Google Patents
Indoor harmful gas detection device with alarm function and use method Download PDFInfo
- Publication number
- CN112362806A CN112362806A CN202011204944.2A CN202011204944A CN112362806A CN 112362806 A CN112362806 A CN 112362806A CN 202011204944 A CN202011204944 A CN 202011204944A CN 112362806 A CN112362806 A CN 112362806A
- Authority
- CN
- China
- Prior art keywords
- shell
- sliding groove
- harmful gas
- detection device
- casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 2
- 238000007667 floating Methods 0.000 abstract description 2
- 231100001261 hazardous Toxicity 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000246 remedial effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
Abstract
The invention discloses an indoor harmful gas detection device with an alarm function and a using method thereof, wherein the indoor harmful gas detection device comprises a first shell and a wall top, wherein the inner side wall of the first shell is respectively provided with a first sliding groove, a second sliding groove and a third sliding groove; utilize expansion bolts to fix this device in the below of wall crown for this device is more firm, utilizes gas sensor to detect indoor gas, and the use of cooperation pump fan can be faster detects floating harmful gas, utilizes controller cooperation siren and infrared emitter's use, can send out the police dispatch newspaper when detecting hazardous gas, sends information to user's mobile information equipment simultaneously, the message that long-range warning user harmful gas distributed.
Description
Technical Field
The invention relates to the technical field of harmful gas detection, in particular to an indoor harmful gas detection device with an alarm function and a using method thereof.
Background
Gas refers to a deformable flowable fluid without shape and volume, gas is a state of matter, and gas is a fluid like a liquid: it can flow, can be deformed, and different from liquid is that gas can be compressed, if there is no restriction (container or force field), gas can be diffused, its volume is not limited, atoms or molecules of gaseous substance can move freely with each other, kinetic energy of atoms or molecules of gaseous substance is higher, gas has actual gas and ideal gas, gas form can be influenced by its volume, temperature and its pressure, these several elements form several gas laws, and they can be mutually influenced.
The detection is that a specified method is used for detecting and testing specified technical performance indexes of certain objects (gas, liquid and solid), and mainly comprises highways, bridges, buildings, electric power, nuclear power, railways, ships, special equipment and the like.
The existing gas detection device which is convenient for being hung in a room is usually hung by a sucker, but the fixing effect of the sucker is reduced after the sucker is used for a long time, so that a user needs to replace the sucker, the sucker is inconvenient to disassemble, so that the operation of a user is increased, the replacement of the sucker by the user is not facilitated, meanwhile, the prior gas detection device which is convenient for hanging the indoor falls down due to the failure of the sucker, thus easily damaging the internal structure of the device, affecting the normal work of the device, reducing the service life of the device, meanwhile, the existing gas detection device lacks of alarm function, the alarm function of partial devices is not perfect, the users can not know the dangerous situation remotely, therefore, the gas is spread, adverse effects are easily caused, and physical and psychological health of other people is harmed.
Disclosure of Invention
The invention aims to provide an indoor harmful gas detection device with an alarm function and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an indoor harmful gas detection device with an alarm function comprises a first shell and a wall top, wherein a first sliding groove, a second sliding groove and a third sliding groove are formed in the inner side wall of the first shell respectively, a supporting plate is fixedly connected to the inner side wall of the first shell between the first sliding groove and the second sliding groove, a gas sensor is installed at the bottom of the supporting plate, an air exhaust fan is connected to the inner portion of the first sliding groove in a sliding mode, a filter screen plate is connected to the inner portion of the second sliding groove in a sliding mode, an activated carbon plate is connected to the inner portion of the third sliding groove in a sliding mode, four supporting rods are symmetrically welded to the upper surface of the first shell, a top plate is welded to the tops of the four supporting rods, a second shell and a third shell are welded to the bottom of the top plate respectively, the top of the top plate is in threaded connection with the bottom of the wall top through expansion bolts, the controller is installed at the top of fixed plate, the siren is installed to the bottom of fixed plate, the inside wall of third casing articulates there is the second baffle, the front surface mounting of second baffle has the display, infrared emitter and switch block are installed respectively to the lateral wall of third casing.
As further preferable in the present technical solution: the joint of the outer side wall of the activated carbon plate and the inner side wall of the third chute is fixedly connected with a second rubber pad, and the joint of the outer side wall of the filter screen plate and the inner side wall of the second chute is fixedly connected with a first rubber pad.
As further preferable in the present technical solution: the activated carbon plate is far away from a first handle fixedly connected with one side of the first shell, the filter screen plate is far away from a second handle fixedly connected with one side of the first shell, and the exhaust fan is far away from a third handle fixedly connected with one side of the first shell.
As further preferable in the present technical solution: the front surface mounting of second baffle has first cabinet door lock, the through-hole has evenly been seted up to the bottom of third casing.
As further preferable in the present technical solution: the inboard diapire threaded connection of second casing has the battery, the inside wall of second casing articulates there is first baffle, second cabinet lock and USB charge mouthful are installed respectively to the front surface of first baffle.
As further preferable in the present technical solution: the electrical output end of the USB charging port is electrically connected with the electrical input end of the storage battery, the electrical output end of the storage battery is electrically connected with the electrical input end of the switch group, the electrical output end of the switch group is electrically connected with the electrical input end of the controller, the electrical output end of the controller is respectively electrically connected with the air exhaust fan, the gas sensor, the display, the alarm and the electrical input end of the infrared emitter, the signal output end of the gas sensor is in signal connection with the signal input end of the controller, and the signal output end of the controller is respectively in signal connection with the display and the signal input end of the infrared emitter.
As further preferable in the present technical solution: the lateral wall symmetrical welding of first casing has two connecting rods, one the connecting rod is kept away from the one end of first casing weld in the lateral wall of second casing, another the connecting rod is kept away from the one end of first casing weld in the lateral wall of third casing, the bottom intercommunication of first casing has the air intake fill.
The invention also provides a use method of the indoor harmful gas detection device with the alarm function, which comprises the following steps:
s1, fixedly connecting the top plate with the second shell through an expansion bolt;
s2, starting the controller through the switch group;
and S3, connecting the infrared emitter with information equipment such as a mobile phone through signals.
As further preferable in the present technical solution: in the S2 and the S3, when the battery capacity is insufficient, the battery is charged through the USB charging port.
Compared with the prior art, the invention has the beneficial effects that: utilize expansion bolts to fix this device in the below of wall crown for this device is more firm, utilizes gas sensor to detect indoor gas, and the use of cooperation pump fan can be faster detects floating harmful gas, utilizes controller cooperation siren and infrared emitter's use, can send out the police dispatch newspaper when detecting hazardous gas, sends information to user's mobile information equipment simultaneously, the message that long-range warning user harmful gas distributed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a first housing according to the present invention;
FIG. 3 is a schematic view of the internal structure of a third housing according to the present invention;
FIG. 4 is a schematic view of the internal structure of the second housing according to the present invention;
FIG. 5 is a side view of a third housing according to the present invention;
FIG. 6 is a schematic top view of the first housing of the present invention;
fig. 7 is a circuit diagram of a controller according to the present invention.
In the figure: 1. a first housing; 2. a first chute; 3. a second chute; 4. a third chute; 5. an air extracting fan; 6. a filter screen plate; 7. an activated carbon plate; 8. a first rubber pad; 9. a second rubber pad; 10. a support plate; 11. a gas sensor; 12. a first handle; 13. a second handle; 14. a third handle; 15. a support bar; 16. a top plate; 17. a second housing; 18. a third housing; 19. a fixing plate; 20. a controller; 21. a display; 22. a first cabinet door lock; 23. an air inlet hopper; 24. a storage battery; 25. a first baffle plate; 26. a second cabinet door lock; 27. a USB charging port; 28. a connecting rod; 29. an expansion bolt; 30. a wall top; 31. a switch group; 32. an alarm; 33. a through hole; 34. an infrared emitter; 35. a second baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-7, the present invention provides a technical solution: an indoor harmful gas detection device with an alarm function comprises a first shell 1 and a wall top 30, wherein a first sliding groove 2, a second sliding groove 3 and a third sliding groove 4 are respectively formed in the inner side wall of the first shell 1, a supporting plate 10 is fixedly connected to the inner side wall of the first shell 1, which is positioned between the first sliding groove 2 and the second sliding groove 3, a gas sensor 11 is installed at the bottom of the supporting plate 10, an air suction fan 5 is slidably connected inside the first sliding groove 2, a filter screen plate 6 is slidably connected inside the second sliding groove 3, an activated carbon plate 7 is slidably connected inside the third sliding groove 4, four supporting rods 15 are symmetrically welded on the upper surface of the first shell 1, a top plate 16 is welded at the tops of the four supporting rods 15, a second shell 17 and a third shell 18 are respectively welded at the bottom of the top plate 16, the top of the top plate 16 is in threaded connection with the bottom of the wall top 30 through an expansion bolt 29, the controller 20 is installed on the top of the fixed plate 19, the alarm 32 is installed on the bottom of the fixed plate 19, the inner side wall of the third casing 18 is hinged to the second baffle 35, the display 21 is installed on the front surface of the second baffle 35, and the infrared emitter 34 and the switch group 31 are installed on the outer side wall of the third casing 18 respectively.
In this embodiment, specifically: a second rubber pad 9 is fixedly connected at the joint of the outer side wall of the activated carbon plate 7 and the inner side wall of the third chute 4, and a first rubber pad 8 is fixedly connected at the joint of the outer side wall of the filter screen plate 6 and the inner side wall of the second chute 3; through the setting of second rubber pad 9, can be so that between activated carbon plate 7 and the third spout 4 inseparabler, through the setting of first rubber pad 8, can be so that between second spout 3 and the filter plate 6 inseparabler.
In this embodiment, specifically: a first handle 12 is fixedly connected to one side of the activated carbon plate 7, which is far away from the first shell 1, a second handle 13 is fixedly connected to one side of the filter screen plate 6, which is far away from the first shell 1, and a third handle 14 is fixedly connected to one side of the exhaust fan 5, which is far away from the first shell 1; through the setting of first handle 12, be convenient for open activated carbon plate 7 and clear up or change, through the setting of second handle 13, be convenient for open filter plate 6 and clear up or change, through the setting of third handle 14, be convenient for take out aspirating fan 5 and maintain or change.
In this embodiment, specifically: the first cabinet door lock 22 is mounted on the front surface of the second baffle 35, and through holes 33 are uniformly formed in the bottom of the third shell 18; through the setting of first cabinet lock 22, can be with second baffle 35 and third casing 18 fixed connection to can have the effect of protection to controller 20 and siren 32, through the setting of through-hole 33, can be convenient for propagate the alarm sound that siren 32 sent.
In this embodiment, specifically: the bottom wall of the inner side of the second shell 17 is in threaded connection with a storage battery 24, the inner side wall of the second shell 17 is hinged with a first baffle 25, and a second cabinet door lock 26 and a USB charging port 27 are respectively mounted on the front surface of the first baffle 25; through the setting of battery 24, can provide portable power source to this device for this device is applicable to different places, through the setting of second cabinet lock 26, can be with first baffle 25 and second casing 17 fixed connection, thereby can have the effect of protection to battery 24, through the setting of USB mouth 27 that charges, can charge to battery 24.
In this embodiment, specifically: the electrical output end of the USB charging port 27 is electrically connected to the electrical input end of the battery 24, the electrical output end of the battery 24 is electrically connected to the electrical input end of the switch group 31, the electrical output end of the switch group 31 is electrically connected to the electrical input end of the controller 20, the electrical output end of the controller 20 is electrically connected to the electrical input ends of the suction fan 5, the gas sensor 11, the display 21, the alarm 32 and the infrared emitter 34, the signal output end of the gas sensor 11 is in signal connection with the signal input end of the controller 20, and the signal output end of the controller 20 is in signal connection with the signal input ends of the display 21 and the infrared emitter 34.
In this embodiment, specifically: two connecting rods 28 are symmetrically welded on the outer side wall of the first shell 1, one end, far away from the first shell 1, of one connecting rod 28 is welded on the outer side wall of the second shell 17, one end, far away from the first shell 1, of the other connecting rod 28 is welded on the outer side wall of the third shell 18, and the bottom of the first shell 1 is communicated with an air inlet hopper 23; the second shell 17 and the third shell 18 can be reinforced by the arrangement of the connecting rod 28, and the air suction fan 5 can conveniently suck the air in the chamber by the arrangement of the air inlet hopper 23.
The invention also provides a use method of the indoor harmful gas detection device with the alarm function, which comprises the following steps:
s1, fixedly connecting the top plate 16 and the second housing 17 by the expansion bolt 29;
s2, starting the controller 20 through the switch group 31;
s3, the infrared emitter 34 is connected to the information device such as a mobile phone.
In this embodiment, specifically: in S2 and S3, when the battery 24 is short of charge, the battery 24 is charged through the USB charging port 27.
Working principle or structural principle, when in use, the top plate 16 is fixedly connected with the second shell 17 through the expansion bolt 29, the controller 20 is started through the switch group 31, the controller 20 is in signal connection with the infrared emitter 34 through information equipment such as a mobile phone, the controller 20 can start the air exhaust fan 5 and the gas sensor 11 after being started, when harmful gas occurs, the gas sensor 11 cannot detect the harmful gas at the first time due to the drifting speed of the gas and the characteristics of the gas, the indoor gas can be absorbed and blown to the gas sensor 11 after the air exhaust fan 5 is started, the indoor information can be rapidly detected by the gas sensor 11, the existence of the harmful gas can be sensed more rapidly, after the gas sensor 11 detects the gas content, the result can be fed back to the controller 20, then the controller 20 displays the result through the display 21, when the harmful gas exists in the gas, the controller 20 will activate the alarm 32 to generate an alarm, and through the arrangement of the through hole 33, the transmission of the alarm sound can be facilitated, at the same time, the controller 20 will send the result of detecting the harmful gas to the user's mobile communication device through the infrared transmitter 34, so that the user can know the specific situation remotely, thereby facilitating the timely adoption of remedial measures, reducing the risk of harming the personal safety of surrounding residents, when harmful gas appears, the air exhaust fan 5 blows the gas to the filter screen 6, when the gas passes through the filter screen 6, primary filtration can be performed, and when the gas passes through the activated carbon plate 7, the activated carbon plate 7 can adsorb harmful substances in the gas, thereby diluting the indoor harmful gas, delaying the spread of the harmful gas, reducing the concentration of the harmful gas, thereby gaining part of the time for remedial action and reducing the loss of personal safety in the vicinity.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an indoor harmful gas detection device with alarming function, includes first casing (1) and wall crown (30), its characterized in that: a first sliding groove (2), a second sliding groove (3) and a third sliding groove (4) are respectively formed in the inner side wall of the first shell (1), a supporting plate (10) is fixedly connected to the inner side wall, located between the first sliding groove (2) and the second sliding groove (3), of the first shell (1), a gas sensor (11) is installed at the bottom of the supporting plate (10), an air exhaust fan (5) is connected to the inside of the first sliding groove (2) in a sliding mode, a filter screen plate (6) is connected to the inside of the second sliding groove (3) in a sliding mode, an activated carbon plate (7) is connected to the inside of the third sliding groove (4) in a sliding mode, four supporting rods (15) are symmetrically welded to the upper surface of the first shell (1), a top plate (16) is welded to the top of the supporting rods (15), a second shell (17) and a third shell (18) are welded to the bottom of the top, the top of roof (16) pass through expansion bolts (29) with the bottom threaded connection of wall crown (30), the inside wall welding of third casing (18) has fixed plate (19), controller (20) are installed at the top of fixed plate (19), siren (32) are installed to the bottom of fixed plate (19), the inside wall of third casing (18) articulates there is second baffle (35), the front surface mounting of second baffle (35) has display (21), infrared emitter (34) and switch block (31) are installed respectively to the lateral wall of third casing (18).
2. The indoor harmful gas detection device with the alarm function according to claim 1, characterized in that: the outer side wall of the activated carbon plate (7) is fixedly connected with a second rubber pad (9) at the joint of the inner side wall of the third sliding groove (4), and the outer side wall of the filter screen plate (6) is fixedly connected with a first rubber pad (8) at the joint of the inner side wall of the second sliding groove (3).
3. The indoor harmful gas detection device with the alarm function according to claim 1, characterized in that: keep away from activated carbon plate (7) first handle (12) of one side fixedly connected with of first casing (1), filter plate (6) are kept away from one side fixedly connected with second handle (13) of first casing (1), pump fan (5) are kept away from one side fixedly connected with third handle (14) of first casing (1).
4. The indoor harmful gas detection device with the alarm function according to claim 1, characterized in that: the front surface mounting of second baffle (35) has first cabinet lock (22), through-hole (33) have evenly been seted up to the bottom of third casing (18).
5. The indoor harmful gas detection device with the alarm function according to claim 1, characterized in that: the inboard diapire threaded connection of second casing (17) has battery (24), the inside wall of second casing (17) articulates there is first baffle (25), second cabinet lock (26) and USB charge mouth (27) are installed respectively to the front surface of first baffle (25).
6. The indoor harmful gas detection device with the alarm function according to claim 5, wherein: the electrical output end of the USB charging port (27) is electrically connected with the electrical input end of the storage battery (24), the electrical output end of the storage battery (24) is electrically connected with the electrical input end of the switch group (31), the electrical output end of the switch group (31) is electrically connected with the electrical input end of the controller (20), the electrical output end of the controller (20) is respectively electrically connected with the electrical input ends of the air extracting fan (5), the gas sensor (11), the display (21), the alarm (32) and the infrared emitter (34), the signal output end of the gas sensor (11) is in signal connection with the signal input end of the controller (20), and the signal output end of the controller (20) is respectively in signal connection with the signal input ends of the display (21) and the infrared emitter (34).
7. The indoor harmful gas detection device with the alarm function according to claim 1, characterized in that: two connecting rods (28) are symmetrically welded on the outer side wall of the first shell (1), one connecting rod (28) is far away from one end of the first shell (1) and is welded on the outer side wall of the second shell (17), the other connecting rod (28) is far away from one end of the first shell (1) and is welded on the outer side wall of the third shell (18), and the bottom of the first shell (1) is communicated with an air inlet hopper (23).
8. The utility model provides an indoor harmful gas detection device's application method with alarming function which characterized in that: the method comprises the following steps:
s1, fixedly connecting the top plate (16) and the second shell (17) through the expansion bolt (29);
s2, starting the controller (20) through the switch group (31);
s3, the infrared emitter (34) is connected with the information equipment such as a mobile phone through signals.
9. The use method of the indoor harmful gas detection device with the alarm function according to claim 8, characterized in that: in the S2 and the S3, when the secondary battery (24) is short of charge, the secondary battery (24) is charged through the USB charging port (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204944.2A CN112362806A (en) | 2020-11-02 | 2020-11-02 | Indoor harmful gas detection device with alarm function and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204944.2A CN112362806A (en) | 2020-11-02 | 2020-11-02 | Indoor harmful gas detection device with alarm function and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112362806A true CN112362806A (en) | 2021-02-12 |
Family
ID=74512641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011204944.2A Pending CN112362806A (en) | 2020-11-02 | 2020-11-02 | Indoor harmful gas detection device with alarm function and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112362806A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2252489A1 (en) * | 1997-12-19 | 1999-06-19 | Manuel Sierra Medina | Domestic apparatus for detecting and expulsing gas |
| EP0995115A1 (en) * | 1997-07-12 | 2000-04-26 | IDT-LCD Holdings (BVI) Limited | Device for monitoring the air quality |
| CN208505368U (en) * | 2018-07-20 | 2019-02-15 | 湖北凯瑞知行智能装备有限公司 | A kind of indoor environment monitoring device |
| CN208737639U (en) * | 2018-08-17 | 2019-04-12 | 陈海青 | A kind of building safety monitoring early-warning device |
| WO2019120096A1 (en) * | 2017-12-20 | 2019-06-27 | 青岛海尔空调器有限总公司 | Cleaning apparatus and air conditioner indoor unit having same |
| CN211753209U (en) * | 2020-03-13 | 2020-10-27 | 广东省环境科学研究院 | Emergent purifier of environmental monitoring's air |
-
2020
- 2020-11-02 CN CN202011204944.2A patent/CN112362806A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0995115A1 (en) * | 1997-07-12 | 2000-04-26 | IDT-LCD Holdings (BVI) Limited | Device for monitoring the air quality |
| CA2252489A1 (en) * | 1997-12-19 | 1999-06-19 | Manuel Sierra Medina | Domestic apparatus for detecting and expulsing gas |
| WO2019120096A1 (en) * | 2017-12-20 | 2019-06-27 | 青岛海尔空调器有限总公司 | Cleaning apparatus and air conditioner indoor unit having same |
| CN208505368U (en) * | 2018-07-20 | 2019-02-15 | 湖北凯瑞知行智能装备有限公司 | A kind of indoor environment monitoring device |
| CN208737639U (en) * | 2018-08-17 | 2019-04-12 | 陈海青 | A kind of building safety monitoring early-warning device |
| CN211753209U (en) * | 2020-03-13 | 2020-10-27 | 广东省环境科学研究院 | Emergent purifier of environmental monitoring's air |
Non-Patent Citations (1)
| Title |
|---|
| 郭云飞等: "基于单片机的汽车室内有害气体参数测试系统设计", 《电子质量》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208367889U (en) | gas pipeline emergency rescue device | |
| CN201210339Y (en) | Earthquake intensity alarm device based on acceleration sensor | |
| CN112362806A (en) | Indoor harmful gas detection device with alarm function and use method | |
| CN206236255U (en) | A kind of combustible gas detecting device | |
| CN206583893U (en) | A kind of Portable combustible gas detector | |
| CN205643654U (en) | Equipment state detection device of lithium cell group | |
| CN111679037A (en) | Gas leakage detection device | |
| CN210106197U (en) | Water leakage alarm vertical centrifugal pump | |
| CN210567553U (en) | Internet of things gas flow monitoring device | |
| CN214502790U (en) | Gas distribution leakage detection alarm | |
| CN209564539U (en) | A kind of automatic collection fires the lithium ion battery safe storage box of product | |
| CN210015693U (en) | Man-machine interactive advertising device | |
| CN205910822U (en) | Fuel gas alarm device | |
| CN201622275U (en) | Indoor and outdoor air integrated detector | |
| CN217845776U (en) | Online oil smoke monitoring device | |
| CN206194080U (en) | Fire extinguishing system of family based on community management | |
| CN204719931U (en) | Domestic gas alarm | |
| CN211905295U (en) | Energy-conserving portable formaldehyde detector | |
| CN208270404U (en) | A kind of hand-held SF for GIS maintenance6Gas detecting instrument | |
| CN216691702U (en) | Be used for colliery emulsion pump energy storage ware pressure on-line measuring device | |
| CN204178514U (en) | Domestic gas alarm | |
| CN210924843U (en) | Business and living early warning device based on safe cities and towns | |
| CN212433101U (en) | Gas leakage detection device | |
| CN212516054U (en) | Electrical fire monitoring device | |
| CN213356994U (en) | Boiler condensate water discharge pollutant alarm system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210212 |