CN205091290U - Food and beverage oil smoke concentration detector - Google Patents
Food and beverage oil smoke concentration detector Download PDFInfo
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- CN205091290U CN205091290U CN201520348071.0U CN201520348071U CN205091290U CN 205091290 U CN205091290 U CN 205091290U CN 201520348071 U CN201520348071 U CN 201520348071U CN 205091290 U CN205091290 U CN 205091290U
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- back seat
- oil smoke
- sensor
- shell back
- smoke concentration
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- 239000000779 smoke Substances 0.000 title claims abstract description 39
- 235000013361 beverage Nutrition 0.000 title abstract description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 239000003517 fume Substances 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 13
- 238000013461 design Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 9
- 238000005070 sampling Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 description 28
- 239000000523 sample Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 13
- 239000004065 semiconductor Substances 0.000 description 9
- 230000007613 environmental effect Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005036 potential barrier Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005355 Hall effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004347 surface barrier Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Fire-Detection Mechanisms (AREA)
Abstract
The application discloses food and beverage oil smoke concentration detector, this food and beverage oil smoke concentration detector includes: protection casing, sensor PCB board, mainboard, hall device, shell back seat and protective housing, protective housing and institute's shell back seat are connected in proper order, protective housing's one end symmetry is equipped with the protection casing, be equipped with in the protective housing with sensor PCB board and mainboard matched with draw -in groove, in sensor PCB board and the draw -in groove of mainboard card in protective housing, hall device is located the tip that protective housing links to each other with the shell back seat to run through the exploration hole on the shell back seat, the shell back seat, for with the circular structure of protective housing matched with, run through hall device in this shell back seat. The utility model provides a food and beverage oil smoke concentration detector unique design's product shape and structure make the installation simple, convenient. Simultaneously, to sampling and protection design can be effectual the life and fortune dimension cycle of extension oil smoke concentration detector, whole use cost that can the online equipment of to a great extent saving.
Description
Technical field
The utility model relates to on-line monitoring in the fields such as electronics, industry, fire-fighting, environmental protection and telemanagement measurement instrument, specifically, relates to a kind of kitchen fumes concentrations detectors.
Background technology
At present, the speed of development of measurement instrument quickly, product form and type very abundant; Product function, structure, material use also varied.But but vary in concrete sector application and product function, there is its singularity.In specific product form, Functional Design is preferential being considered, and is secondly that structure, outward appearance, color matching design and material are selected.
Kitchen fumes concentrations detectors mainly adopts semiconductor gas sensor as detection part at present.The development of Semiconductor gas sensors material can trace back to 1931, and P.Braver etc. find that the conductivity of CuO changes with the absorption of water vapor.J.Gray in 1948 finds that CuO2 film exists gas sensing property at about 200 degree, and less than 200 degree do not have.Japan's clear mountain wise man's pioneering research to ZnO, SnO2 film such as youth and Tian Kou Shangyi in 1962, makes gas sensitive and sensor true development.
Kitchen fumes concentration monitor belongs to the category that monitoring is forced in pollution source environmental protection, and kitchen fumes monitoring instrument user is food and beverage enterprise, and the pressure by Environmental Protection Agency is supervised.Therefore, be equipped with standard as foundation at system actual use Instrumental equipment working state and installation position, but monitoring instrument uses whether He Gui food and beverage enterprise does not pay close attention to.Even, by artificial mobile, operating mode by people for a change etc., monitoring system is in non-effective duty in part instrument and equipment installation site.For above-mentioned reasons, oil smoke concentration detector when designing, also needs monitoring system ruuning situation and reported data, is convenient to remote inquiry and O&M except the design of monitoring function own.
Common monitoring instrument lays particular emphasis on the realization detecting self function, and have ignored the monitoring of instrument operating mode.More lack the status monitoring that instrument uses structural intergrity.
Utility model content
Kitchen fumes concentrations detectors of the present utility model technical matters to be solved is: first, the structural design solving instrument meets the problem that onsite application requires, such as oil smoke is sampled reliably, is convenient to measurement, good barrier propterty, parts not easily pollute, easy for installation, quick, be convenient to safeguard etc.; Secondly, solve detector and meet field working conditions environmental requirement and the problem of Real-Time Monitoring operating mode index, such as detector meets the environmental requirements such as scene temperature, humidity, pressure and the above-mentioned operating mode index of Real-Time Monitoring; Again, for guaranteeing monitoring system reliability service, solve the problem of detector duty Real-Time Monitoring;
For solving the problems of the technologies described above, the utility model provides a kind of kitchen fumes concentrations detectors, and this kitchen fumes concentrations detectors comprises: protective cover, sensor pcb board, mainboard, hall device, shell back seat and guard shield, wherein,
Described guard shield and described shell back seat are linked in sequence, and one end of described guard shield is arranged with described protective cover, are provided with the draw-in groove matched with described sensor pcb board and mainboard in described guard shield;
Described sensor pcb board and mainboard are stuck in the draw-in groove in described guard shield;
Described hall device, is positioned at the end that described guard shield is connected with shell back seat, and runs through the exploration hole on described shell back seat;
Described shell back seat, is the circular configuration matched with described guard shield, runs through described hall device in this shell back seat;
Described sensor pcb board is provided with temperature sensor, humidity sensor, oil smoke concentration sensor, Hall element and sample circuit, wherein,
Described temperature sensor, couples mutually with described sample circuit;
Described humidity sensor, couples mutually with described sample circuit;
Described oil smoke concentration sensor, couples mutually with described sample circuit;
Described Hall element, couples mutually with described sample circuit;
Described sample circuit, couples mutually with parallel described temperature sensor, humidity sensor, oil smoke concentration sensor and Hall element respectively.
Described mainboard is provided with main control chip, supply module and communication module, wherein,
Described main control chip, couples mutually with sample circuit, supply module and communication module on described sensor pcb board respectively;
Described communication module, couples mutually with described main control chip;
Described supply module, couples mutually with described main control chip.
Preferably, described guard shield, comprises symmetrically arranged upper shell and lower house, and the edge of described upper shell and lower house is provided with the draw-in groove cooperatively interacted, and described upper shell and lower house are respectively equipped with described protective cover.
Preferably, described protective cover is rectangle or ellipse.
Kitchen fumes concentrations detectors adopts multi-sensor monitoring technology, and oil smoke concentration adopts gas sensor, and monitoring of working condition is divided into two classes, comprises the environmental parameter monitorings such as temperature, and rule of thumb whether environmental parameter scope to carry out auxiliary real-time judge current working normal; Meanwhile, by structural design in conjunction with hall detection component, by decision means relative position, instrument component composition integrality is monitored; Thus whether synthetic determination instrument system is run normal.
Oil smoke concentration in the application detects and adopts semiconductor gas sensor, semiconductor gas sensor principle of work is: when metal-oxide semiconductor (MOS) is heated to uniform temperature in atmosphere, oxygen atom is attracted to electronegative semiconductor surface, the electrons of semiconductor surface is transferred in adsorb oxygen, oxygen atom just becomes negative oxygen ion, simultaneously form a positive space charge layer at semiconductor surface, cause surface barrier to raise, thus obstruction electron flow.Inner at sensitive material, the binding site (crystal boundary) that free electron has to pass through metal-oxide semiconductor (MOS) micrinite could form electric current.The potential barrier produced by oxygen desorption is present in crystal boundary equally and hinders flowing freely of electronics, and the resistance of sensor is namely because of this potential barrier.Under running conditions when sensor runs into reducibility gas, negative oxygen ion is because causing its surface concentration to reduce with reducibility gas generation redox reaction, and potential barrier decreases and causes the resistance of sensor to reduce.
Hall element in the application is a kind of Magnetic Sensor based on Hall effect, and Hall effect defines the relation between magnetic field and induced voltage.When electric current is arranged in the conductor in magnetic field by one time, magnetic field can produce one perpendicular to the acting force on electron motion direction to the electronics in conductor, thus produces electric potential difference in the both direction perpendicular to conductor and magnetic induction line.Magnetic field and change thereof can be accurately detected, the relative position of judging part with Hall element.Hall element has many advantages, and precision is high, the linearity good; Its sound construction, volume is little, lightweight, and the life-span is long; Easy for installation, contactless, nothing wearing and tearing; Power consumption is little, frequency high (can reach 1MHZ); Vibration resistance, is not afraid of pollution or the corrosion of dust, greasy dirt, steam and salt fog etc.
Kitchen fumes concentrations detectors of the present invention is used for kitchen fumes on-line monitoring system, being the demand in order to meet the supervision of catering industry oil smoke discharge, utilizing the kitchen fumes on-line real time monitoring system of a set of reliable, the perfect in shape and function of the technological development such as Internet of Things perception, GPRS radio communication.This system is by monitoring sensor, and data acquisition, transmission, memory device, data server and supervisory system form.Food and beverage enterprise's oil smoke discharge concentration can be monitored in real time, cleaning equipment running status and efficiency etc., simultaneously in conjunction with generalized information system and database management function, for kitchen fumes on-line monitoring, information management etc. provide complete product solution.Kitchen fumes concentrations detectors is the field monitoring sensor device of system, oil smoke concentration detector composition and major function:
1) Monitoring Data collection:
By air-sensitive and Temperature Humidity Sensor collection site oil smoke concentration signal and temperature signal;
2) equipment running status data acquisition:
By Hall element collecting device working state signal;
3) data processing:
Collection signal also amplifies process, carries out A/D conversion, adopts RS485Modbus communications protocol; Electromagnetism interference, the processing of circuit such as power protection.
4) structural design:
According to the mounting structure of application characteristic and Demand Design uniqueness; The particular design of the gas circuit structure such as oil fume acquisition, sensor guard is related in oil smoke concentration observation process.
Compared with prior art, kitchen fumes concentrations detectors described in the utility model, reaches following effect:
The shape of product of kitchen fumes concentrations detectors unique design and structure make installation simple, convenient.Meanwhile, effectively can extend serviceable life and the O&M cycle of oil smoke concentration detector for sampling and protection Design, the overall use cost of online equipment can be saved to a great extent;
Oil smoke concentration detector is for the detection of duty parameter, may be used for the measurement of auxiliary sampling data, transform according to relevant criterion, oil smoke concentration data can be measured more accurately, whether the working range that simultaneously duty parameter can feed back oil smoke concentration detector closes rule, can the validity of auxiliary judgment data.
The monitoring of oil smoke concentration detector device duty belongs to instrument and meter reliability design, can the running status of remote monitoring detector, is convenient to system O&M.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is kitchen fumes concentrations detectors STRUCTURE DECOMPOSITION figure of the present utility model;
Fig. 2 is kitchen fumes concentrations detectors installation diagram of the present utility model;
Fig. 3 is kitchen fumes concentrations detectors circuit diagram of the present utility model.
Embodiment
As employed some vocabulary to censure specific components in the middle of instructions and claim.Those skilled in the art should understand, and hardware manufacturer may call same assembly with different noun.This specification and claims are not used as with the difference of title the mode distinguishing assembly, but are used as the criterion of differentiation with assembly difference functionally." comprising " as mentioned in the middle of instructions and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and indirectly electric property coupling means at this.Therefore, if describe a first device in literary composition to be coupled to one second device, then represent described first device and directly can be electrically coupled to described second device, or be indirectly electrically coupled to described second device by other devices or the means that couple.Instructions subsequent descriptions is for implementing better embodiment of the present utility model, and right described description is to illustrate for the purpose of rule of the present utility model, and is not used to limit scope of the present utility model.Protection domain of the present utility model is when being as the criterion depending on the claims person of defining.
Below in conjunction with accompanying drawing, the utility model is described in further detail, but not as to restriction of the present utility model.
Embodiment 1:
Composition graphs 1 and Fig. 3, the present embodiment provides a kind of kitchen fumes concentrations detectors, comprising: protective cover 1, sensor pcb board 2, mainboard 3, hall device 4, shell back seat 5 and guard shield 6, wherein,
Described guard shield 6 and described shell back seat 5 are linked in sequence, and one end of described guard shield 6 is arranged with described protective cover 1, are provided with the draw-in groove matched with described sensor pcb board 2 and mainboard 3 in described guard shield 6;
Described sensor pcb board 2 and mainboard 3 are stuck in the draw-in groove in described guard shield 6;
Described hall device 4, is positioned at the end that described guard shield 6 is connected with shell back seat 5, and runs through the exploration hole on described shell back seat 5;
Described shell back seat 5, is the circular configuration matched with described guard shield 6, runs through described hall device 4 in this shell back seat;
As shown in Figure 3, described sensor pcb board 2 is provided with temperature sensor 21, humidity sensor 22, oil smoke concentration sensor 23, Hall element 24 and sample circuit 25, wherein,
Described temperature sensor 21, couples mutually with described sample circuit 25;
Described humidity sensor 22, couples mutually with described sample circuit 25;
Described oil smoke concentration sensor 23, couples mutually with described sample circuit 25;
Described Hall element 24, couples mutually with described sample circuit 25;
Described sample circuit 25, couples mutually with parallel described temperature sensor 21, humidity sensor 22, oil smoke concentration sensor 23 and Hall element 24 respectively.
Described mainboard 3 is provided with main control chip 36, supply module 37 and communication module 38, wherein,
Described main control chip 36, couples mutually with the sample circuit 25 on described sensor pcb board, supply module 37 and communication module 38 respectively;
Described communication module 38, couples mutually with described main control chip 36, and communication module 38 described in the present embodiment is coupled by RS485Modbus communications protocol mutually with described main control chip 36.
Described supply module 37, couples mutually with described main control chip 36.
As shown in Figure 1, described guard shield 6, comprises symmetrically arranged upper shell and lower house, and the edge of described upper shell and lower house is provided with the draw-in groove cooperatively interacted, and described upper shell and lower house are respectively equipped with described protective cover 1.
Described protective cover 1 is rectangle or ellipse.Be oval in the present embodiment, the shape of protective cover 1 be not specifically limited here.
Protective cover part carries out gas circuit design, is convenient to gas sensor and carries out oil smoke sample detecting; Housing integration does protective treatment, protection PCB, anticorrosion moisture resistance; The relative position detected between detector mounting part part and monitoring processing element by hall device is not subjected to displacement, and monitors oil smoke probe duty, prevents detector from being removed by improper.
Embodiment 2:
On the basis of embodiment 1, the present embodiment provides described kitchen fumes concentrations detectors installation diagram, and as shown in Figure 2, oil smoke concentration detector is installed as follows.
Step 1: walling of flue perforate.
Oil smoke passage chooses the particular location installing detector, and as shown in Figure 2, oil smoke passage is got the circular hole that detector can stretch into, diameter detector is between 30-60mm, so the diameter of circular hole also should between 30-60mm.
Step 2: Rubber washer installed by reversion screw.
Punch on oil smoke passage according to the position of four screw holes on the shell back seat of detector, and pad is fixed.
Step 3: detector is inserted into floss hole.
Detector is stretched in circular hole, fixed detector.First flap after shell is turned on, with screw, detector is fixed in blind flange.According to the arrow that probe body back seat identifies, the direction of fixed detector in flue, the direction of arrow as shown in Figure 2 on cylinder joint flange points to gas outlet by air intake opening.
Step 4: fixed detector bonnet.
During fixed detector, as shown in Figure 2, note the hall device on detector to be aimed at.
Step 5: by screw-driving, installs.
Compared with prior art, kitchen fumes concentrations detectors described in the utility model, reaches following effect:
The shape of product of kitchen fumes concentrations detectors unique design and structure make installation simple, convenient.Meanwhile, effectively can extend serviceable life and the O&M cycle of oil smoke concentration detector for sampling and protection Design, the overall use cost of online equipment can be saved to a great extent;
Oil smoke concentration detector is for the detection of duty parameter, may be used for the measurement of auxiliary sampling data, transform according to relevant criterion, oil smoke concentration data can be measured more accurately, whether the working range that simultaneously duty parameter can feed back oil smoke concentration detector closes rule, can the validity of auxiliary judgment data.
The monitoring of oil smoke concentration detector device duty belongs to instrument and meter reliability design, can the running status of remote monitoring detector, is convenient to system O&M.
Above-mentioned explanation illustrate and describes some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in utility model contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection domain of the utility model claims.
Claims (3)
1. a kitchen fumes concentrations detectors, is characterized in that, this kitchen fumes concentrations detectors comprises: protective cover, sensor pcb board, mainboard, hall device, shell back seat and guard shield, wherein,
Described guard shield and described shell back seat are linked in sequence, and one end of described guard shield is arranged with described protective cover, are provided with the draw-in groove matched with described sensor pcb board and mainboard in described guard shield;
Described sensor pcb board and mainboard are stuck in the draw-in groove in described guard shield;
Described hall device, is positioned at the end that described guard shield is connected with shell back seat, and runs through the exploration hole on described shell back seat;
Described shell back seat, is the circular configuration matched with described guard shield, runs through described hall device in this shell back seat;
Described sensor pcb board is provided with temperature sensor, humidity sensor, oil smoke concentration sensor, Hall element and sample circuit, wherein,
Described temperature sensor, couples mutually with described sample circuit;
Described humidity sensor, couples mutually with described sample circuit;
Described oil smoke concentration sensor, couples mutually with described sample circuit;
Described Hall element, couples mutually with described sample circuit;
Described sample circuit, couples mutually with parallel described temperature sensor, humidity sensor, oil smoke concentration sensor and Hall element respectively;
Described mainboard is provided with main control chip, supply module and communication module, wherein,
Described main control chip, couples mutually with sample circuit, supply module and communication module on described sensor pcb board respectively;
Described communication module, couples mutually with described main control chip;
Described supply module, couples mutually with described main control chip.
2. kitchen fumes concentrations detectors according to claim 1, it is characterized in that described guard shield comprises symmetrically arranged upper shell and lower house, the edge of described upper shell and lower house is provided with the draw-in groove cooperatively interacted, and described upper shell and lower house are respectively equipped with described protective cover.
3. kitchen fumes concentrations detectors according to claim 1, is characterized in that, described protective cover is rectangle or ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348071.0U CN205091290U (en) | 2015-05-26 | 2015-05-26 | Food and beverage oil smoke concentration detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348071.0U CN205091290U (en) | 2015-05-26 | 2015-05-26 | Food and beverage oil smoke concentration detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205091290U true CN205091290U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520348071.0U Expired - Fee Related CN205091290U (en) | 2015-05-26 | 2015-05-26 | Food and beverage oil smoke concentration detector |
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| Country | Link |
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| CN (1) | CN205091290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432932A (en) * | 2021-06-08 | 2021-09-24 | 北京市劳动保护科学研究所 | Catering oil smoke pollutant sampling device |
-
2015
- 2015-05-26 CN CN201520348071.0U patent/CN205091290U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432932A (en) * | 2021-06-08 | 2021-09-24 | 北京市劳动保护科学研究所 | Catering oil smoke pollutant sampling device |
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| 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: 20160316 |