CN108426979A - A kind of gas/liquid safety detection unit - Google Patents
A kind of gas/liquid safety detection unit Download PDFInfo
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- CN108426979A CN108426979A CN201710806645.8A CN201710806645A CN108426979A CN 108426979 A CN108426979 A CN 108426979A CN 201710806645 A CN201710806645 A CN 201710806645A CN 108426979 A CN108426979 A CN 108426979A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The present invention provides gas/liquid safety detection units, which employs the design schemes of multilayered structure, it can stablize and realize the Concentration Testing and wireless transmission function of formulating chemical composition, make the compact miniaturization for being conducive to gas/liquid safety detection unit overall volume of its structure design again, it can be to the gas/liquid chemical composition safety detection product of carrying convenient for production.Gas/liquid safety detection unit use of the present invention is convenient to, it only needs to be carried, it is placed in the space of detected gas or is immersed in when in use in detected liquid or detected gas liquid is directly sprayed into gas/liquid safety detection unit or wipes detected liquid drop on gas/liquid safety detection unit, the concentration that can quickly detect specified chemical composition in the gas, liquid solves the problems, such as portable, the quick gas/liquid safety detection product missing of detection in the prior art well.
Description
Technical field
The present invention relates to safety detection product technical field more particularly to a kind of gas/liquid safety detection units.
Background technology
With progress of the epoch, many schoolgirls like to make friends using some social softwares, some parties are participated in,
Or it dates meet with other people alone.And drink may be all drunk in majority's appointment, or provide for oneself, or buy outside
, also or other people are unsolicited.At this moment, it is possible to which the people that can feel malice to some provides chance, they may
It takes this opportunity to put in poison in the drink of schoolgirl, causes its stupor.
In addition, under some special occasions, because of the factors such as environmental pollution, waste discharge, artificial dispensing so that drink
Water body itself may also be exceeded because of contained concentration of narmful substance, and drinking person is made the feelings such as uncomfortable, stupor even death occur
Condition.
Also under some occasions, for example, in chemical industry workshop, there are the laboratory of volatile harmful article or presence
The interior space of gas leak may have the risk that harmful gas concentration is exceeded in space, pacify to health and life
It threatens entirely.
Currently, can not achieve water quality easily and fast or gas safety detection in existing chemical safety detection product, it is past
It is past to need to special inspection center to go to detect.And usually social activity, life occasion under, people are difficult to judge to drink at once
The chemical safety of gas in water, the chemical safety of drink and space.At this time, it is necessary to it is a kind of can be convenient for carrying,
The detection product that detection is quick, can be notified to safety information in time occurs, and can be used for detection gas, can be used for detection water
Body.
Invention content
Aiming at the above shortcomings existing in the prior art, the purpose of the present invention is to provide a kind of gas/liquid safety detection lists
Member quickly detection gas, liquid can carry out the concentration information of specified chemical composition and externally be transmitted wirelessly, and its structure
It is compact to design, be conducive to minimize, can be solved existing to the gas/liquid chemical composition safety detection product of carrying convenient for production
There is the technical issues of portable, the quick gas/liquid safety detection product of detection lacks in technology.
In order to solve the above technical problems, present invention employs following technological means：
A kind of gas/liquid safety detection unit, including gas/liquid safety detection cell body, the gas/liquid safety detection cell body
Circuit structure layer, Waterproof structural course and gas/liquid including setting gradually from the inside to the outside keep material layer；The gas/liquid keeps material
The bed of material is made of water-absorbent material or gas permeable material, and gas/liquid keeps being provided with to detect between material layer and Waterproof structural course referring to
Determine the chemical sensor of chemical concentration, and the sensing probe of chemical sensor stretches into gas/liquid and keeps in material layer；It is described anti-
Water-bound layer is integrally made of waterproof material, the closing of circuit structure layer is wrapped in interior so that circuit structure layer and gas/liquid
It keeps being physically isolated between material layer, and is provided through signal conducting terminal on Waterproof structural course, the signal conducting terminal
One end be exposed to the superficies of Waterproof structural course and be electrically connected with the sensing signal output end of chemical sensor, signal is conductive
The other end of terminal is exposed to the internal layer surface of Waterproof structural course；Wireless transmission circuit, and nothing are equipped in the circuit structure layer
One end that the signal input part of line transmission circuit is exposed to Waterproof structural course internal layer surface with signal conducting terminal is electrically connected,
For being electrically connected with the sensing signal output end of chemical sensor by signal conducting terminal, chemical sensor sensing output is obtained
Chemical concentration information, and be converted to chemical concentration wireless signal and externally sent.
In above-mentioned gas/liquid safety detection unit, as improvement project, the gas/liquid keeps also being attached in material layer
The reaction reagent that can be reacted with specified chemical composition can be reacted and be developed the color with specified chemical composition and is aobvious
Color reagent.
It is preferably, fixed on the superficies of the Waterproof structural course in above-mentioned gas/liquid safety detection unit
It is provided with sensor stand, the sensor mounting groove that opening keeps material layer direction towards gas/liquid is provided on sensor stand,
Chemical sensor is fixedly mounted in the sensor mounting groove, and the sensing probe of chemical sensor exposes sensor mounting groove
Opening and stretch into gas/liquid keep material layer in.
In above-mentioned gas/liquid safety detection unit, as improvement project, signal conducting terminal reveals on the Waterproof structural course
The trench bottom position of sensor mounting groove on sensor stand is right against for one end of Waterproof structural course superficies,
And the trench bottom of sensor mounting groove is provided with and is exposed to Waterproof structural course for establishing signal conducting terminal on sensor stand
The signal conductive structure being electrically connected between one end of superficies and the sensing signal output end of chemical sensor.
In above-mentioned gas/liquid safety detection unit, as another preferred embodiment, it is provided with out on the Waterproof structural course
Mouth keeps the sensor storage tank in material layer direction, chemical sensor to be fixedly mounted on the sensor storage tank towards gas/liquid
It is interior, and the sensing probe of chemical sensor exposes the opening of sensor storage tank and stretches into gas/liquid holding material layer；The letter
One end that number conducting terminal is exposed to Waterproof structural course superficies is located in the sensor storage tank.
In above-mentioned gas/liquid safety detection unit, as improvement project, opening direction is provided on the Waterproof structural course
Gas/liquid keeps the button cell mounting slot in material layer direction, the opening of the button cell mounting slot to be provided with and can open and close
Battery settling groove mouth sealing cover, so as to be enclosed by the button cell mounting slot and battery settling groove mouth sealing cover
Sealed cell installation cavity；Battery electrode conducting terminal, and battery electrode conducting end are additionally provided in the button cell mounting slot
Son passes through Waterproof structural course and is exposed to the internal layer surface of Waterproof structural course；The confession of wireless transmission circuit in the circuit structure layer
One end that electrical input is exposed to Waterproof structural course internal layer surface with battery electrode conducting terminal is electrically connected.
In above-mentioned gas/liquid safety detection unit, preferably, circuit structure is provided in the circuit structure layer
Holder, wireless transmission circuit are fixedly mounted on circuit structure holder.
In above-mentioned gas/liquid safety detection unit, as improvement project, accumulator is additionally provided in the circuit structure layer
And wireless charging circuit；There are gap, the storages between circuit structure holder and Waterproof structural course in the circuit structure layer
Battery laying is fixedly mounted in the clearance space between circuit structure holder and Waterproof structural course；The wireless charging circuit packet
Include the wireless charging receiving coil, magnetoelectricity conversion circuit and charge management circuit being sequentially connected electrically, wherein magnetoelectricity conversion circuit and
Charge management circuit is fixedly mounted on circuit structure holder, and wireless charging receiving coil is laid in the waterproof material of Waterproof structural course
In material, and the both ends of wireless charging receiving coil are stretched into circuit structure layer from the internal layer surface of Waterproof structural course and are converted with magnetoelectricity
Circuit is electrically connected, and the charging output end of charge management circuit is then electrically connected with accumulator, is wireless transmission electricity by accumulator
Road powers.
In above-mentioned gas/liquid safety detection unit, preferably, the wireless transmission circuit uses low-power consumption bluetooth
Transmission circuit.
In above-mentioned gas/liquid safety detection unit, it is additionally provided with detection as improvement project, in the circuit structure layer and carries
Awake circuit, the detection alert circuit includes detection comparator and vibrator；The detection comparator is provided with benchmark concentration letter
Breath, comparison signal input terminal and the signal conducting terminal of detection comparator are exposed to one end progress of Waterproof structural course internal layer surface
Electrical connection obtains chemical sensor for being electrically connected with the sensing signal output end of chemical sensor by signal conducting terminal
The chemical concentration information of output is sensed, the comparison output end of detection comparator is electrically connected with the enabled control terminal of vibrator,
Can comparison signal input terminal input chemical concentration information be more than benchmark concentration information when by comparing output end to
The enabled control terminal of vibrator sends enable signal, and vibration operation is executed to trigger vibrator.
Compared with the prior art, the invention has the advantages that：
1, gas/liquid safety detection unit of the invention uses the design scheme of multilayered structure, can stablize and realize formulationization
The Concentration Testing and wireless transmission function studied point, and so that its structure design compact to be conducive to gas/liquid safety detection unit whole
The miniaturization of body volume, can be to the gas/liquid chemical composition safety detection product of carrying convenient for production.
2, different power-supply service schemes may be used in gas/liquid safety detection unit of the present invention, to meet different be applicable in
Occasion better meets its demand as Portable gas/liquid chemical composition safety detection product under different situations.
3, gas/liquid safety detection unit of the present invention is very easy to use, it is only necessary to be carried, is placed in when in use
In the space of detected gas or it is immersed in detected liquid or detected gas liquid is directly sprayed into gas/liquid peace
Full detection unit wipes detected liquid drop on gas/liquid safety detection unit, it will be able to quickly detect the gas,
The concentration of chemical composition is specified in liquid, and can be by externally transmitting wirelessly information, superficial layer reagent colour development, triggering execution
The modes such as vibration operation prompt user.
4, gas/liquid safety detection unit of the invention solve well in the prior art portable, the quick gas of detection/
The problem of liquid safety detection product lacks.
Description of the drawings
Fig. 1 is a kind of embodiment structure schematic diagram of gas/liquid safety detection unit of the present invention.
Fig. 2 is the another embodiment structural schematic diagram of gas/liquid safety detection unit of the present invention.
Fig. 3 is the another embodiment structural schematic diagram of gas/liquid safety detection unit of the present invention.
Specific implementation mode
The present invention provides a kind of gas/liquid safety detection unit, as shown in Figure 1, gas/liquid safety detection unit include gas/
Liquid safety detection cell body, the gas/liquid safety detection cell body include the circuit structure layer set gradually from the inside to the outside
10, Waterproof structural course 20 and gas/liquid keep material layer 30.Gas/liquid keeps material layer 30 to be made of water-absorbent material or gas permeable material
Liquid to be measured or gas is enable to be absorbed or keep resting in gas/liquid holding material layer.Gas/liquid keeps material layer 30
The chemical sensor 41 of specified chemical concentration can be detected by being provided between Waterproof structural course 20, and used chemistry passes
The type of sensor is different, then its chemical composition object that can be detected is also different, therefore the type of chemical sensor can basis
It is determined using the selection of needs；The sensing probe of chemical sensor 41 stretch into gas/liquid keep material layer 30 in, to sense gas/
Liquid keeps the concentration of the specified chemical composition contained in liquid or gas in material layer 30.Waterproof structural course 20 is whole to be used
Waterproof material is made, and the closing of circuit structure layer 10 is wrapped in interior so that circuit structure layer 10 keeps material layer 30 with gas/liquid
Between be physically isolated, avoid moisture from entering in circuit structure layer and cause the circuit damages such as short circuit；Run through on Waterproof structural course 20 and sets
It is equipped with signal conducting terminal 21, is transmitted for carrying out the signal between chemical sensor 41 and circuit structure layer 10, the signal
One end of conducting terminal 21 is exposed to the superficies of Waterproof structural course 20 and the sensing signal output end with chemical sensor 41
Electrical connection, the other end of signal conducting terminal 21 are exposed to the internal layer surface of Waterproof structural course 20；In the circuit structure layer 10
Equipped with wireless transmission circuit 11, and the signal input part of wireless transmission circuit 11 is exposed to waterproof construction with signal conducting terminal 21
One end of layer internal layer surface is electrically connected, for being exported by signal conducting terminal 21 and the sensing signal of chemical sensor 41
End electrical connection, obtains the chemical concentration information of chemical sensor sensing output, and is converted to chemical concentration wireless communication
It number is externally sent.
The present invention gas/liquid safety detection unit to be detected to the chemical composition safety of gas or liquid,
The chemical sensor being arranged in gas/liquid safety detection cell body can be one or more, and each chemical sensor is selected
It selects or is designed as to be detected for a kind of concentration of specified harmful chemical composition, such as selection or design chemistry
The sensitive specified chemical composition of sensor is the active ingredient in magic potion, the active ingredient in pesticide, CO gas（Coal
Harmful components in gas）Etc. so that the chemical sensor being arranged in gas/liquid safety detection cell body can be in magic potion
Active ingredient, CO gas in active ingredient, pesticide etc. formulate chemical composition carry out Concentration Testing, so as to by
Gas/liquid safety detection unit detects magic potion active ingredient or pesticide active ingredient progress Concentration Testing, space in liquid beverage
Carbon monoxide gas concentration in air etc. prevents from being poisoned.
The present invention gas/liquid safety detection unit safety detection process and principle be：Allow gas/liquid safety detection unit with
Detected gas or liquid is in contact, for example, being placed in detected space or liquid using gas/liquid safety detection unit
In, either so that detected gas spray to gas/liquid safety detection unit gas/liquid safety detection cell body or will be by
The liquid drop of detection is wiped in the gas/liquid safety detection cell body of gas/liquid safety detection unit；Detected gas or liquid
Into after the gas/liquid holding material layer of gas/liquid safety detection cell body, gas/liquid is stretched by it by chemical sensor and is kept
Sensing probe in material layer is detected detected gas or liquid, senses specified chemical composition contained therein
Concentration；Waterproof structural course can prevent liquid from entering internal circuit structure layer and form interference, and chemical sensor senses output
Chemical concentration information the wireless transmission circuit in circuit structure layer is then transmitted to by signal conducting terminal, by wirelessly sending out
Power transmission road is converted to chemical concentration wireless signal and is externally sent.And for user, then it can utilize and carry
The electronic equipments such as mobile phone, tablet computer receive what gas/liquid safety detection unit was externally sent by way of wireless connection
Then chemical concentration wireless signal is subject to chemical concentration and shows, or carry out analysis to its chemical concentration and sentence
It has no progeny and shows safety results, user just can be allowed to learn the chemical composition safety of detected gas or liquid.
Each layer of structure design is compact in the gas/liquid safety detection unit of the present invention, in addition current integrated circuit miniaturization
The development of technology, circuit structure layer and chemical sensor can make sufficiently small volume by the way of integrated circuit, from
And be conducive to the miniaturization of gas/liquid safety detection unit overall volume, it can be to the gas/liquid chemical composition of carrying convenient for production
Safety detection product；It can see in combination with above-mentioned safety detection process, gas/liquid safety detection unit of the invention can
Effectively and rapidly carry out the chemical composition safety detection of gas/liquid and send out testing result wireless signal to supply other electronics
Equipment receives processing and display；Therefore, gas/liquid safety detection unit of the invention compensates for solution in the prior art just well
The problem of take, the quick gas/liquid safety detection product of detection lacks, can be in daily life and social activity for examining
Survey and warn security threat existing for environmental gas or Drinking w ater.
For specific implementation, the global shape of gas/liquid safety detection unit of the invention can be made into ball
Shape（As shown in Figure 1）, other different shapes such as American football shape, circular block shape, polygon bulk can also be made into；Meanwhile
The gas/liquid safety detection unit can both be used as independent individual products（As shown in Figure 1）, can also be used as hair clip, pendant, money
Composition component on packet, knapsack, Cellphone Accessories and other items or decoration, in order to carry.
The gas/liquid of gas/liquid safety detection unit keeps material layer that cloth, foamed plastics, empty structure material may be used
It is made Deng the material with water suction or permeability, so that detected liquid or gas can be absorbed or keep resting on
Gas/liquid is kept in material layer, waits for that chemical sensor is detected.If targeted specified chemical composition can not be directly quick
Feel the chemical sensor of detection, then gas/liquid, which keeps to design in material layer, is attached with and can be carried out instead with specified chemical composition
The reaction reagent answered so that specified chemical composition generate that chemical sensor is capable of that sensitivity detects after react with reaction reagent at
Point, to indirectly realize the detection to specifying chemical concentration；Further, it is also possible to keep designing in material layer in gas/liquid
It is attached with the colour reagent that can be reacted and be developed the color with specified chemical composition, so that the gas of gas/liquid safety detection unit/
Liquid keeps material layer intuitive that user is warned to there is specifiedization in monitored gas or liquid by way of colour developing
The risk studied point enhances ease for use.
For the fixed installation mode of chemical sensor in gas/liquid safety detection unit, as shown in Figure 1, can design
Sensor stand 42 is fixedly installed on the superficies of Waterproof structural course 20, gas/liquid holding material layer 30 is then wrapped up setting and passed
Except sensor bracket 42；The sensor mounting groove that opening keeps material layer direction towards gas/liquid is provided on sensor stand 42
43, chemical sensor 41 is then fixedly mounted in the sensor mounting groove, and the sensing probe of chemical sensor 41 exposes biography
The opening of sensor mounting groove 43 simultaneously stretches into gas/liquid holding material layer 30.So that sensor stand and chemical sensor structure
At an independent sensor structure layer, in order to using sensor stand and the sensor structure layer of sensor composition as independent
Component groups are produced in batches and are assembled, and are conducive to improve production efficiency.Under such set-up mode, need to design waterproof construction
Signal conducting terminal 21 is exposed to one end of Waterproof structural course superficies and is right against 42 sensor on sensor stand on layer 20
The trench bottom position of mounting groove 43, and the trench bottom of sensor mounting groove 43 is provided with for building on sensor stand 42
Vertical signal conducting terminal is exposed between one end of Waterproof structural course superficies and the sensing signal output end of chemical sensor
The signal conductive structure of electrical connection, the signal conductive structure specifically may be used elastic probe or elastic electrode, can also use
The conductive structures form such as conducting wire or electrode, to ensure that the sensing signal output end of chemical sensor can be by signal conducting terminal
It is electrically connected with the foundation of circuit structure layer.
And as another fixed installation mode of chemical sensor in gas/liquid safety detection unit, as shown in Fig. 2, can
To design the sensor storage tank 22 for being provided with opening on Waterproof structural course 20 towards gas/liquid holding material layer direction, chemistry passes
Sensor 41 is fixedly mounted in the sensor storage tank 22, and the sensing probe of chemical sensor 41 exposes sensor storage tank
22 opening simultaneously stretches into gas/liquid holding material layer 30；And signal conducting terminal is exposed to the one of Waterproof structural course superficies
End is located in the sensor storage tank 22.The meaning of other labels is identical as Fig. 1 in Fig. 2.Such set-up mode, directly profit
Fixed installation and support construction of the Waterproof structural course as chemical sensor are used, helps to reduce gas/liquid safety detection unit
Structure level number is more advantageous to structural compactness and the miniaturization of gas/liquid safety detection unit.
For the power supply plan of gas/liquid safety detection unit, then according to different design and applicable cases, it can adopt
With different power supply realization methods.For example, as shown in Fig. 2, can design be provided on Waterproof structural course 20 opening towards gas/
Liquid keeps the button cell mounting slot 23 in material layer direction, for installing button cell, the opening of the button cell mounting slot 23
Place is provided with the battery settling groove mouth sealing cover 24 that can be opened and closed, so as to by the button cell mounting slot 23 and battery peace
Tankage mouth sealing cover 24 is enclosed sealed cell installation cavity, to ensure that button cell is installed in button cell mounting slot it
After can be sealed by battery settling groove mouth sealing cover, avoid moisture enter and cause being asked for electric short circuit for button cell
Topic；Battery electrode conducting terminal 25 is additionally provided in button cell mounting slot 23, to connect respectively button cell just,
Cathode, and battery electrode conducting terminal 25 passes through Waterproof structural course and is exposed to the internal layer surface of Waterproof structural course；And circuit knot
The energization input of wireless transmission circuit 11 is exposed to Waterproof structural course inner layer sheet with battery electrode conducting terminal 25 in structure layer 10
The one end in face is electrically connected, to realize with the button cell installed in button cell mounting slot for being electrically connected.
In addition, gas/liquid safety detection unit can also use internal battery and be realized using the power supply of wireless charging
Mode.For example, as shown in figure 3, be provided with the circuit structure holder 12 for installing wireless transmission circuit in circuit structure layer 10,
Wireless transmission circuit 11 is then fixedly mounted on circuit structure holder 12；In addition, the circuit structure holder in circuit structure layer 10
There are gaps between 12 and Waterproof structural course 20, and accumulator 13 and wireless charging circuit are additionally provided in circuit structure layer 10,
Accumulator 13 is then laid with and is fixedly mounted in the clearance space between circuit structure holder 12 and Waterproof structural course 20, in waterproof knot
In the case that structure layer 20 is provided with sensor storage tank 22, such layout type can make full use of Waterproof structural course setting and pass
The concave-convex space generated inside it after sensor storage tank 22；And wireless charging circuit includes the wireless charging being sequentially connected electrically connects
Take-up circle 14, magnetoelectricity conversion circuit 15（Magnetoelectricity conversion circuit generally includes resonance circuit, rectification circuit, regulator circuit）And charging
Manage circuit 16, wherein magnetoelectricity conversion circuit 15 and charge management circuit 16 are fixedly mounted on circuit structure holder 12, wirelessly
Charging receiving coil 14 is then preferably laid in the waterproof material of Waterproof structural course 20, and the both ends of wireless charging receiving coil 14
It stretches into circuit structure layer 10 from the internal layer surface of Waterproof structural course 20 and is electrically connected with magnetoelectricity conversion circuit 15, charge management circuit
16 charging output end is then electrically connected with accumulator 13, is that wireless transmission circuit 11 is powered by accumulator 13.It is other in Fig. 3
The meaning of label is identical as Fig. 1.User's self-changeable battery is that of avoiding using the advantage of wireless charging and storage battery power supply
Problem troublesome in poeration, while accumulator and its interlock circuit can design the Waterproof structural course in gas/liquid safety detection unit
Within obtain better waterproofing protection, contribute to promoted power supply structure circuit safety.This is to use wireless charging and electric power storage
A kind of battery-powered optimization topology layout scheme can preferably utilize the inner space of circuit structure layer, wireless charging is connect
Take-up circle is laid in Waterproof structural course to carry out the reception that wireless charging emits signal, allows the paving of accumulator larger area
It is located at the space segment in the outer part of circuit structure layer（Clearance space between circuit structure holder and Waterproof structural course）, Qi Ta electricity
Road part is laid in the space segment in the inner part of circuit structure floor（On circuit structure holder）, so that integrated circuit structure cloth
Office is compacter, is conducive to the miniaturization of gas/liquid safety detection unit.Certainly, those skilled in the art can also use other
The wireless charging and storage battery power supply scheme of design method.
And for considering the power consumption of gas/liquid safety detection unit, the wireless transmission circuit in circuit structure layer is best
Using low-power consumption bluetooth transmission circuit, have many advantages, such as it is low in energy consumption, have suspend mode operating mode, help to increase gas/liquid safety
The continuation of the journey working time of detection unit；Meanwhile low-power consumption bluetooth is that the electronic equipments such as current mainstream mobile phone, tablet computer generally prop up
A kind of wireless communication connection mode held can enable gas/liquid safety detection unit using low-power consumption bluetooth transmission circuit
Has the better universality that wireless communication is established with other electronic equipments.Certainly, for technology is realized above, wireless transmission electricity
Road can also use the wireless transmission circuits ways of realization such as near-field communication, WiFi, mobile communications network, RF radio frequencies.
In addition, if in order to increase the ease for use of gas/liquid safety detection unit, can also design in its circuit structure layer
Setting detection alert circuit, the detection alert circuit includes detection comparator and vibrator；The detection comparator is provided with
Benchmark concentration information, comparison signal input terminal and the signal conducting terminal of detection comparator are exposed to Waterproof structural course internal layer surface
One end be electrically connected, for being electrically connected with the sensing signal output end of chemical sensor by signal conducting terminal, acquisition
The chemical concentration information of chemical sensor sensing output, the enabled control of the comparison output end and vibrator of detection comparator
End electrical connection, can be when the chemical concentration information that comparison signal input terminal inputs be more than benchmark concentration information by comparing
Output end sends enable signal to the enabled control terminal of vibrator, and vibration operation is executed to trigger vibrator.Since in this way, if
After gas/liquid safety detection unit contact with detected gas or liquid, the sensing signal output of chemical sensor it is chemical at
It is more than benchmark concentration information to divide concentration information, will trigger the vibrator in gas/liquid safety detection unit and execute vibration operation, directly
It connects and user is reminded, prompt user to reinforce vigilant, gas/liquid is wirelessly connected without being completely dependent on other electronic equipments
Safety detection unit obtains and display security result；Certainly, user is in the vibration behaviour for obtaining hair gas/liquid safety detection unit
After reminding, it can also be wirelessly connected the acquisition of gas/liquid safety detection unit by electronic equipment and display security result is subject to
Further validation of information.
In conclusion the gas/liquid safety detection unit of the present invention uses the design scheme of multilayered structure, can stablize
It realizes the Concentration Testing for formulating chemical composition and wireless transmission function, and makes its structure design is compact to be conducive to gas/liquid safety
The miniaturization of detection unit overall volume, can be to the gas/liquid chemical composition safety detection product of carrying convenient for production.Together
When, different power-supply service schemes may be used in gas/liquid safety detection unit of the present invention, to meet different applicable situations, more
Good meets the needs of it is as Portable gas/liquid chemical composition safety detection product under different situations.In addition, gas of the present invention/
Liquid safety detection unit use is convenient to, it is only necessary to be carried, be placed in the space of detected gas when in use
In or be immersed in detected liquid or detected gas liquid directly sprayed into gas/liquid safety detection unit or will be by
Detection liquid drop wipes on gas/liquid safety detection unit, it will be able to quickly detect in the gas, liquid specify chemistry at
The concentration divided, and can be by externally transmitting wirelessly the modes pair such as information, superficial layer reagent colour development, triggering execution vibration operation
User is prompted.It can be seen that the present invention gas/liquid safety detection unit solve well it is portable in the prior art
, detection quick gas/liquid safety detection product missing the problem of.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to reality
Example is applied to describe the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the technical side of the present invention
Case is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered in the present invention
Right in.
Claims (10)
1. a kind of gas/liquid safety detection unit, which is characterized in that including gas/liquid safety detection cell body, the gas/liquid peace
It includes that the circuit structure layer, Waterproof structural course and gas/liquid set gradually from the inside to the outside keeps material layer that full inspection, which surveys cell body,；
The gas/liquid keeps material layer to be made of water-absorbent material or gas permeable material, gas/liquid keep material layer and Waterproof structural course it
Between be provided with the chemical sensor that can detect specified chemical concentration, and the sensing probe of chemical sensor stretches into gas/liquid
It keeps in material layer；The Waterproof structural course is integrally made of waterproof material, circuit structure layer is closed in being wrapped in, is made
It obtains circuit structure layer and gas/liquid keeps being physically isolated between material layer, and be provided through signal conducting end on Waterproof structural course
Son, one end of the signal conducting terminal are exposed to superficies of Waterproof structural course and defeated with the sensing signal of chemical sensor
Outlet is electrically connected, and the other end of signal conducting terminal is exposed to the internal layer surface of Waterproof structural course；It is set in the circuit structure layer
There is wireless transmission circuit, and the signal input part of wireless transmission circuit is exposed to Waterproof structural course inner layer sheet with signal conducting terminal
The one end in face is electrically connected, and for being electrically connected with the sensing signal output end of chemical sensor by signal conducting terminal, is obtained
The chemical concentration information of chemical sensor sensing output is taken, and is converted to chemical concentration wireless signal and carries out to outgoing
It send.
2. gas/liquid safety detection unit according to claim 1, which is characterized in that the gas/liquid is kept in material layer also
It is attached with the reaction reagent that can be reacted with specified chemical composition or can be reacted and shown with specified chemical composition
The colour reagent of color.
3. gas/liquid safety detection unit according to claim 1, which is characterized in that the outer layer table of the Waterproof structural course
It is fixedly installed sensor stand on face, the sensing that opening keeps material layer direction towards gas/liquid is provided on sensor stand
Device mounting groove, chemical sensor are fixedly mounted in the sensor mounting groove, and the sensing probe of chemical sensor exposes biography
The opening of sensor mounting groove simultaneously stretches into gas/liquid holding material layer.
4. gas/liquid safety detection unit according to claim 3, which is characterized in that signal is led on the Waterproof structural course
One end that electric terminal is exposed to Waterproof structural course superficies is right against the trench bottom institute of sensor mounting groove on sensor stand
At position, and on sensor stand the trench bottom of sensor mounting groove be provided with for establish signal conducting terminal be exposed to it is anti-
The signal conductive structure being electrically connected between one end of water-bound layer superficies and the sensing signal output end of chemical sensor.
5. gas/liquid safety detection unit according to claim 1, which is characterized in that be provided on the Waterproof structural course
It is open and keeps the sensor storage tank in material layer direction towards gas/liquid, it is accommodating that chemical sensor is fixedly mounted on the sensor
In slot, and the sensing probe of chemical sensor exposes the opening of sensor storage tank and stretches into gas/liquid holding material layer；It is described
One end that signal conducting terminal is exposed to Waterproof structural course superficies is located in the sensor storage tank.
6. gas/liquid safety detection unit according to claim 1, which is characterized in that be provided on the Waterproof structural course
It is open and the button cell mounting slot in material layer direction, the opening of the button cell mounting slot is kept to be provided with towards gas/liquid
The battery settling groove mouth sealing cover that can be opened and closed, so as to by the button cell mounting slot and battery settling groove mouth sealing cover
It is enclosed sealed cell installation cavity；Battery electrode conducting terminal, and battery electricity are additionally provided in the button cell mounting slot
Pole conducting terminal passes through Waterproof structural course and is exposed to the internal layer surface of Waterproof structural course；Wireless transmission in the circuit structure layer
One end that the energization input of circuit is exposed to Waterproof structural course internal layer surface with battery electrode conducting terminal is electrically connected.
7. gas/liquid safety detection unit according to claim 1, which is characterized in that be provided in the circuit structure layer
Circuit structure holder, wireless transmission circuit are fixedly mounted on circuit structure holder.
8. gas/liquid safety detection unit according to claim 7, which is characterized in that also set up in the circuit structure layer
There are accumulator and wireless charging circuit；
There are gap between circuit structure holder and Waterproof structural course in the circuit structure layer, the accumulator, which is laid with, to be fixed
In clearance space between circuit structure holder and Waterproof structural course；
The wireless charging circuit includes wireless charging receiving coil, magnetoelectricity conversion circuit and the Charge Management electricity being sequentially connected electrically
Road, wherein magnetoelectricity conversion circuit and charge management circuit are fixedly mounted on circuit structure holder, wireless charging receiving coil cloth
It is located in the waterproof material of Waterproof structural course, and the both ends of wireless charging receiving coil are stretched into from the internal layer surface of Waterproof structural course
It is electrically connected with magnetoelectricity conversion circuit in circuit structure layer, the charging output end of charge management circuit is then electrically connected with accumulator
It connects, is powered for wireless transmission circuit by accumulator.
9. gas/liquid safety detection unit according to claim 1, which is characterized in that the wireless transmission circuit is using low
Power consumption bluetooth transmission circuit.
10. gas/liquid safety detection unit according to claim 1, which is characterized in that also set up in the circuit structure layer
There is detection alert circuit, the detection alert circuit includes detection comparator and vibrator；The detection comparator is provided with base
Quasi- concentration information, comparison signal input terminal and the signal conducting terminal of detection comparator are exposed to Waterproof structural course internal layer surface
One end is electrically connected, for being electrically connected with the sensing signal output end of chemical sensor by signal conducting terminal, acquisitionization
Learn the chemical concentration information of sensor sensing output, the comparison output end of detection comparator and the enabled control terminal of vibrator
Electrical connection, can be when the chemical concentration information that comparison signal input terminal inputs be more than benchmark concentration information by comparing defeated
Outlet sends enable signal to the enabled control terminal of vibrator, and vibration operation is executed to trigger vibrator.
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| CN201710806645.8A CN108426979B (en) | 2017-09-08 | 2017-09-08 | Gas/liquid safety detection unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710806645.8A CN108426979B (en) | 2017-09-08 | 2017-09-08 | Gas/liquid safety detection unit |
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| CN108426979A true CN108426979A (en) | 2018-08-21 |
| CN108426979B CN108426979B (en) | 2020-09-29 |
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| CN108426979B (en) | 2020-09-29 |
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