CN204479560U - Wireless real-time methylene oxide detecting instrument - Google Patents
Wireless real-time methylene oxide detecting instrument Download PDFInfo
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- CN204479560U CN204479560U CN201520189139.5U CN201520189139U CN204479560U CN 204479560 U CN204479560 U CN 204479560U CN 201520189139 U CN201520189139 U CN 201520189139U CN 204479560 U CN204479560 U CN 204479560U
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- drain pan
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- printed circuit
- circuit board
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Abstract
The utility model proposes a kind of wireless real-time methylene oxide detecting instrument, comprise drain pan and upper cover, cover rim is coated on outside drain pan, drain pan and upper cover are connected and fixed, drain pan edge convolution upward, storage tank is formed in drain pan, printed circuit board (PCB) is provided with in storage tank, this printed circuit board (PCB) is provided with main control chip, main control chip is connected with sensor, storage chip, signal transmitting chip and signal receiving chip, printed circuit board (PCB) be also provided with tantalum electric capacity and control button, drain pan one end is provided with dividing plate, in the middle part of this dividing plate, there is notch, printed circuit board edge is provided with Bluetooth antenna, this Bluetooth antenna is protruding from notch, there is in the middle part of top cover one group of air admission hole, sensor is positioned at below air admission hole, printed circuit board (PCB) is provided with one group of open-work, one group of vent port is provided with in the middle part of drain pan, vent port is positioned at below sensor, printed circuit board (PCB) is also provided with loudspeaker and warning light, loudspeaker connects with main control chip with warning light.
Description
Technical field
The utility model relates to methylene oxide detecting instrument, particularly relates to a kind of wireless real-time methylene oxide detecting instrument.
Background technology
Methylene oxide detecting instrument is divided into self-priming pump type and diffusion type two kinds substantially.Self-priming pump type can bring good air circulation, make methylene oxide detecting instrument can obtain formolite number within the shorter time, but cost is higher, and adds air velocity when detecting, have an impact to air formaldehyde concentration actual value to be detected.The advantage of diffusion type is the concentration of formaldehyde value can reacting current actual air very accurately, and its shortcoming is that reaction velocity is slow.
At present, conventional methylene oxide detecting instrument is made up of parts such as formaldehyde sensor, A/D Acquisition Circuit, main control chip, liquid crystal displays.Transfer chemical signal to analog electrical signal by sensor, by A/D circuit, analog electrical signal is converted into digital signal, by main control chip by digital signal reaction on a display screen.Due to its detection part and display unit integrated, the testing environment that must be in closed state during detection is open, brings error to detection, and cannot reach the object detected in real time.Therefore, be necessary to carry out structure optimization to this methylene oxide detecting instrument, to overcome above-mentioned defect.
Utility model content
In order to the metrical error that the test environment overcoming in the detection again opening encapsulation causes, and the problem that methylene oxide detecting instrument cannot be made to detect in real time for a long time, the utility model provides a kind of wireless real-time methylene oxide detecting instrument, to realize the function detected in real time, and reduces metrical error.
The technical scheme that the utility model adopts for its technical matters of solution is,
Wireless real-time methylene oxide detecting instrument, comprise drain pan and upper cover, cover rim is coated on outside drain pan, drain pan and upper cover are connected and fixed, drain pan is circular, its edge convolution upward, storage tank is formed in drain pan, printed circuit board (PCB) is provided with in storage tank, this printed circuit board (PCB) is provided with main control chip, main control chip is connected with sensor, storage chip, signal transmitting chip and signal receiving chip, concentration of formaldehyde signal is detected by sensor, and signal is sent into main control chip, by main control chip, signal is outwardly sent through signal transmitting chip, and by main control chip, storage chip preservation is sent in signal record, printed circuit board (PCB) is also provided with tantalum electric capacity, tantalum electric capacity connects with main control chip, main control chip is powered, printed circuit board (PCB) is also provided with control button, this control button connects with main control chip, control by controlling the duty of button to main control chip, control button and be provided with pilot lamp, shown by the duty of pilot lamp to main control chip, drain pan one end is provided with dividing plate, in the middle part of this dividing plate, there is notch, printed circuit board edge is provided with Bluetooth antenna, this Bluetooth antenna is protruding from notch, top cover is provided with top margin, this top margin and partition shape adaptation, top margin is coated on outside dividing plate, there is in the middle part of top cover one group of air admission hole, each air admission hole circular array, sensor is positioned at below air admission hole, printed circuit board (PCB) is provided with one group of open-work, one group of vent port is provided with in the middle part of drain pan, vent port is positioned at below sensor, the rounded arrangement of each vent port, printed circuit board (PCB) is also provided with loudspeaker and warning light, loudspeaker connects with main control chip with warning light, audible and visible alarm is sent by loudspeaker and warning light,
Be provided with one group of flexible feet bottom drain pan, flexible feet is evenly arranged at drain pan bottom margin, has cell body in each flexible feet, and cell body runs through flexible feet two ends;
Printed circuit board edge is provided with data cube computation termination, and this data cube computation termination connects with storage chip, the data in storage chip is outwardly carried by data cube computation termination, and drain pan and cover rim have through hole, and data cube computation termination is protruding from through hole.
The utility model has the advantage of, this is wireless, and real-time methylene oxide detecting instrument can place in advance before environmental sealing to be detected, after reaching the sealing time limit, connected by application program of mobile phone long distance wireless, long-range reading formaldehyde data, in order to realize long-time uninterrupted monitoring formaldehyde data, this methylene oxide detecting instrument has abandoned traditional liquid crystal display display, on power circuit with large capacitance tantalum electric capacity as accumulator, when overcoming wireless transmission, big current is to the impact of battery, thus greatly improve battery, extend the stand-by time of enhancing equipment, and increase perforate design in the printed circuit boards, strengthen cross-ventilation, thus overcome the defect that diffusion type formaldehyde sensor reacts slow, can under not secondary opening encapsulation ambient condition, record concentration of formaldehyde data very accurately, and by the maintenance of this state for extended periods, thus accomplish the reaction velocity of methylene oxide detecting instrument, equilibrium point between exact value and cost three.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the wireless real-time methylene oxide detecting instrument that the utility model proposes;
Fig. 2 is the structure schematic diagram of this methylene oxide detecting instrument;
Fig. 3 is the system power dissipation schematic diagram of this methylene oxide detecting instrument.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with diagram and specific embodiment, setting forth the utility model further.
As shown in Fig. 1 ~ Fig. 2, the wireless real-time methylene oxide detecting instrument that the utility model proposes comprises drain pan 1 and upper cover 2, cover rim is coated on outside drain pan, drain pan and upper cover are connected and fixed, drain pan is circular, its edge convolution upward, storage tank is formed in drain pan, printed circuit board (PCB) 3 is provided with in storage tank, this printed circuit board (PCB) is provided with main control chip 4, main control chip is connected with sensor 5, storage chip 6, signal transmitting chip 7 and signal receiving chip 8, concentration of formaldehyde signal is detected by sensor, and signal is sent into main control chip, by main control chip, signal is outwardly sent through signal transmitting chip, and by main control chip, storage chip preservation is sent in signal record, printed circuit board (PCB) is also provided with tantalum electric capacity 9, tantalum electric capacity connects with main control chip, main control chip is powered, printed circuit board (PCB) is also provided with and controls button 10, this control button connects with main control chip, control by controlling the duty of button to main control chip, control button and be provided with pilot lamp 11, shown by the duty of pilot lamp to main control chip, drain pan one end is provided with dividing plate 12, in the middle part of this dividing plate, there is notch, printed circuit board edge is provided with Bluetooth antenna 13, this Bluetooth antenna is protruding from notch, top cover is provided with top margin 14, this top margin and partition shape adaptation, top margin is coated on outside dividing plate, there is in the middle part of top cover one group of air admission hole 15, each air admission hole circular array, sensor is positioned at below air admission hole, printed circuit board (PCB) is provided with one group of open-work 16, one group of vent port 17 is provided with in the middle part of drain pan, vent port is positioned at below sensor, the rounded arrangement of each vent port, printed circuit board (PCB) is also provided with loudspeaker 18 and warning light 19, loudspeaker connects with main control chip with warning light, audible and visible alarm is sent by loudspeaker and warning light,
Be provided with one group of flexible feet 20 bottom drain pan, flexible feet is evenly arranged at drain pan bottom margin, has cell body 21 in each flexible feet, and cell body runs through flexible feet two ends;
Printed circuit board edge is provided with data cube computation termination 22, this data cube computation termination connects with storage chip, data in storage chip outwardly carried by data cube computation termination, drain pan and cover rim have through hole, and data cube computation termination is protruding from through hole.
During use, the control of detector loosed one's grip by 3s by bond distance, main control chip detects that this operates, inner unlatching Bluetooth broadcast function, signal is sent from antenna, and lights bluetooth state pilot lamp to show that broadcast starts, press 6s adjustable methylene oxide detecting instrument zero datum point.Click in application program of mobile phone interface afterwards and connect button, mobile phone and methylene oxide detecting instrument will on being dynamically connected.Now methylene oxide detecting instrument can send concentration of formaldehyde, environment temperature and current electric quantity value to mobile phone, is shown in real time by mobile phone screen.
Fig. 3 shows the power consumption recording blue tooth transmission system with oscillograph, every a sleep time period, the current drain of a spike will be had, one can be produced to battery like this to impact in short-term, very strong test is created to the durability of battery itself, so need the large capacitance tantalum electric capacity in Fig. 1 to do energy cistern, to reduce the pulse shock to battery.And conventional detector generally adopts electrochemical capacitor, the electrochemical capacitor volume of identical capacitance is much bigger, methylene oxide detecting instrument as portable small and exquisite design is inapplicable, for this product remembering serviceable life with year of methylene oxide detecting instrument, electrochemical capacitor service time is long can there is leakage, a large amount of loss is its fatal shortcoming.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. wireless real-time methylene oxide detecting instrument, it is characterized in that, comprise drain pan and upper cover, cover rim is coated on outside drain pan, drain pan and upper cover are connected and fixed, drain pan is circular, its edge convolution upward, storage tank is formed in drain pan, printed circuit board (PCB) is provided with in storage tank, this printed circuit board (PCB) is provided with main control chip, main control chip is connected with sensor, storage chip, signal transmitting chip and signal receiving chip, concentration of formaldehyde signal is detected by sensor, and signal is sent into main control chip, by main control chip, signal is outwardly sent through signal transmitting chip, and by main control chip, storage chip preservation is sent in signal record, printed circuit board (PCB) is also provided with tantalum electric capacity, tantalum electric capacity connects with main control chip, main control chip is powered, printed circuit board (PCB) is also provided with control button, this control button connects with main control chip, control by controlling the duty of button to main control chip, control button and be provided with pilot lamp, shown by the duty of pilot lamp to main control chip, drain pan one end is provided with dividing plate, in the middle part of this dividing plate, there is notch, printed circuit board edge is provided with Bluetooth antenna, this Bluetooth antenna is protruding from notch, top cover is provided with top margin, this top margin and partition shape adaptation, top margin is coated on outside dividing plate, there is in the middle part of top cover one group of air admission hole, each air admission hole circular array, sensor is positioned at below air admission hole, printed circuit board (PCB) is provided with one group of open-work, one group of vent port is provided with in the middle part of drain pan, vent port is positioned at below sensor, the rounded arrangement of each vent port, printed circuit board (PCB) is also provided with loudspeaker and warning light, loudspeaker connects with main control chip with warning light, audible and visible alarm is sent by loudspeaker and warning light.
2. wireless real-time methylene oxide detecting instrument according to claim 1, is characterized in that, be provided with one group of flexible feet bottom drain pan, flexible feet is evenly arranged at drain pan bottom margin, has cell body in each flexible feet, and cell body runs through flexible feet two ends.
3. wireless real-time methylene oxide detecting instrument according to claim 1, it is characterized in that, printed circuit board edge is provided with data cube computation termination, this data cube computation termination connects with storage chip, by data cube computation termination, the data in storage chip are outwardly carried, drain pan and cover rim have through hole, and data cube computation termination is protruding from through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189139.5U CN204479560U (en) | 2015-03-31 | 2015-03-31 | Wireless real-time methylene oxide detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189139.5U CN204479560U (en) | 2015-03-31 | 2015-03-31 | Wireless real-time methylene oxide detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204479560U true CN204479560U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520189139.5U Expired - Fee Related CN204479560U (en) | 2015-03-31 | 2015-03-31 | Wireless real-time methylene oxide detecting instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362325A (en) * | 2017-01-26 | 2018-08-03 | 霍尼韦尔国际公司 | Enter and leave the air-flow of sensor device |
-
2015
- 2015-03-31 CN CN201520189139.5U patent/CN204479560U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362325A (en) * | 2017-01-26 | 2018-08-03 | 霍尼韦尔国际公司 | Enter and leave the air-flow of sensor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20160331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |