CN108151807B - Intelligent sensor - Google Patents
Intelligent sensor Download PDFInfo
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- CN108151807B CN108151807B CN201711485846.9A CN201711485846A CN108151807B CN 108151807 B CN108151807 B CN 108151807B CN 201711485846 A CN201711485846 A CN 201711485846A CN 108151807 B CN108151807 B CN 108151807B
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- gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
Abstract
The invention discloses an intelligent sensor, which comprises a shell, wherein the shell is provided with a heat dissipation groove and a light receiving groove, and the light receiving groove and a transparent plate are fixedly arranged; the seventh clapboard is provided with an air inlet, the air inlet is hermetically assembled with the air exhaust end of the air exhaust device, the air outlet end of the air exhaust device is communicated with the temperature measuring cylinder through an air pipe, and the temperature probe is arranged in the temperature measuring cylinder; the temperature measuring cylinder is communicated with the flow meter through an air pipe, the gas flow meter is communicated with the dust meter probe, the dust meter probe is communicated with the humidity sensor, and the humidity sensor is communicated with the filter; the filter is communicated with the first gas-dividing cavity, and the first gas-dividing cavity is communicated with one end of the second gas branch passage, one end of the third gas branch passage and one end of the gas-dividing main pipe; the other ends of the second branch air passage and the third branch air passage are respectively communicated with an oxygen sensor and a combustible gas sensor; the first branch air pipe is communicated with the bottom of the second vent hole, the second branch air pipe is communicated with the second gas distribution cavity, and the second gas distribution cavity is communicated with the first vent hole; a battery is fixed on the fourth clapboard; and the third clapboard is provided with a vibration sensor and a circuit board.
Description
Technical Field
The invention relates to a sensor, in particular to an intelligent sensor for detecting the transportation environment of goods in transportation.
Background
With the increasing development of the logistics industry, different goods have strict requirements on the transportation environment, and if the transportation environment does not meet the standards, such as overhigh temperature, overhigh dust concentration and the like, the goods deteriorate and are polluted, so that the user experience and the safety of the goods are seriously influenced.
It is also important for fire protection during transport, in case of fire, or to cause the entire car or even the entire warehouse to be burnt.
With the development of the internet of things, timely discovery of related hidden dangers by detecting related indexes of goods storage or transportation environments becomes possible. However, conventionally, the detection of indexes related to the environment of storing or transporting goods has been limited to a theoretical stage, and when it is necessary to perform formal practice, it is necessary to introduce different sensors to perform various index detections. The mode is not standardized, detection errors of various sensors after being assembled are large, the sensors are difficult to assemble, wiring is very disordered, and the carrying and loading of goods are seriously influenced.
Therefore, the applicant considers that there is a need to design an intelligent sensor which integrates detection devices for detecting relevant parameters, so as to facilitate use, collect data in a centralized manner, and facilitate background management.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an intelligent sensor.
In order to achieve the purpose, the invention provides an intelligent sensor which comprises a shell, wherein the shell is provided with a heat dissipation groove and a light receiving groove, and the light receiving groove and a transparent plate are fixedly arranged;
the shell in from top to bottom be equipped with in proper order: the first partition plate, the second partition plate, the third partition plate, the fourth partition plate, the fifth partition plate, the sixth partition plate and the seventh partition plate;
the first partition plate and the seventh partition plate are respectively fixed with two ends in the shell in a sealing way;
the seventh clapboard is provided with an air inlet, and the air inlet is formed by a plurality of air inlet through holes arranged on the seventh clapboard;
the gas inlet is hermetically assembled with the gas exhaust end of the gas exhaust device, the gas exhaust end of the gas exhaust device is communicated with the temperature measuring cylinder through a gas pipe, and the temperature probe is arranged in the temperature measuring cylinder and used for detecting the temperature of gas passing through the temperature measuring cylinder;
the output end of the temperature probe is connected with the input end of the temperature sensor so as to transmit the temperature signal to the temperature sensor;
the temperature measuring cylinder is communicated with the air inlet end of the flow meter through an air pipe, the air outlet end of the gas flow meter is communicated with the air inlet of the dust meter probe through the air pipe, the air outlet of the dust meter probe is communicated with the air inlet of the humidity sensor through the air pipe, and the air outlet of the humidity sensor is communicated with the air inlet of the filter through the air pipe;
the signal output end of the dust instrument probe is connected with the signal input end of the dust instrument;
the air outlet of the filter is communicated with a first air distribution cavity through an air pipe, the first air distribution cavity is further communicated with one end of a first branch air passage, a second branch air passage, a third branch air passage, a fourth branch air passage and an air distribution main pipe, the first branch air passage, the second branch air passage, the third branch air passage and the fourth branch air passage are formed by assembling air grooves in a fifth partition plate and a sixth partition plate, and the fifth partition plate and the sixth partition plate are assembled in a sealing mode;
the other ends of the second branch air passage and the third branch air passage are respectively communicated with an oxygen sensor and a combustible gas sensor;
the gas outlets of the oxygen sensor and the combustible gas sensor are communicated with a second branch gas pipe through gas pipes, and the second branch gas pipe and the first branch gas pipe are arranged on and communicated with the branch gas main pipe;
the first branch air pipe is communicated with the bottom of the second vent hole, the second branch air pipe is communicated with the second gas distribution cavity, and the second gas distribution cavity is communicated with the bottom of the first vent hole;
a battery mounting groove is formed in the fourth partition plate, and a battery is fixed in the battery mounting groove;
the third baffle on be equipped with the several baffle through-hole, just the third baffle on be equipped with vibration sensor, circuit board, the transparent plate inside be the light sense device, the light sense device on be equipped with light sensor.
As a further improvement of the invention, a mounting plate is fixed on the shell, and a mounting through hole is arranged on the mounting plate.
As a further improvement of the invention, the transparent plate is in a transparent state.
As a further improvement of the invention, the other ends of the first branch air passage and the fourth branch air passage are respectively sealed by sealing plugs.
As a further improvement of the invention, the top of the second vent hole is communicated with a third vent hole at the bottom of the heat dissipation shell, and the third vent hole is communicated with the vent cavity; the heat dissipation shell is also provided with a heat dissipation mounting groove and a heat dissipation mounting hole, and two ends of the heat dissipation shaft are respectively arranged in the heat dissipation mounting holes and are in sealing assembly with the heat dissipation mounting holes;
the heat dissipation shaft is provided with first cooling fins, and the first ventilation hole is formed below the space between the two first cooling fins;
two ends of the heat dissipation shaft are respectively assembled and fixed with the heat conduction block through countersunk bolts;
the heat conduction block is provided with a refrigeration groove, an electronic refrigeration sheet is fixed in the refrigeration groove, and a refrigeration surface of the electronic refrigeration sheet is fixedly attached to the end surface of the refrigeration groove.
As a further improvement of the invention, a plurality of first heat-conducting protrusions are arranged on the end surface of the refrigeration groove, and the first heat-conducting protrusions are tightly adhered and fixed with the refrigeration surface of the electronic refrigeration piece;
the heating surface of the electronic refrigeration piece is tightly adhered and fixed with a second heat conduction bulge of a second heat radiation piece assembly, the second heat conduction bulge is fixed on a heat radiation fixed block, the heat radiation fixed block and a heat radiation fixed plate are fixed into a whole, and the area of the end surface of the heat radiation fixed block is smaller than that of the heat radiation fixed plate;
the heat dissipation fixed block on be equipped with the air guide radiating groove, heat dissipation fixed plate and second fin assembly fixed, heat dissipation fixed plate side and heat dissipation mounting groove seal assembly, just heat dissipation fixed plate, heat dissipation fixed block and heat dissipation mounting groove lateral wall constitute the chamber of ventilating jointly.
As a further improvement of the invention, a heat dissipation air blowing hole is arranged between the two second heat dissipation plates and on the heat dissipation fixing plate, and the heat dissipation air blowing hole penetrates through the heat dissipation fixing plate and is communicated with the air guide heat dissipation groove; the heat dissipation shell is hermetically assembled with the heat dissipation groove; the heat dissipation shell is fixed on the fourth clapboard groove of the fourth clapboard.
As a further improvement of the invention, the second clapboard and the first clapboard are respectively provided with a first air outlet and a second air outlet, and the first air outlet and the second air outlet are distributed at 180 degrees.
As a further improvement of the present invention, the circuit board is provided with:
the positioning module is used for positioning;
a digital-to-analog converter for converting the electrical signal and the digital signal to each other;
the singlechip is used for receiving and transmitting control instructions;
the power supply circuit is used for controlling the current on-off of the electric equipment connected with the power supply circuit;
the miniature temperature sensor is used for detecting the temperature of the environment where the circuit board is located;
the wireless transceiving module is used for being in wireless connection with external equipment and transmitting data;
the power supply circuit is connected with the power output end of the battery for conduction, the power output end of the power supply circuit is respectively connected with the power input end of each electric device for conduction, and the power supply circuit can control the on-off of the current of the power supply device connected with the power supply circuit;
the signal output ends of the temperature sensor, the flowmeter, the dust meter, the humidity sensor, the combustible gas sensor, the oxygen sensor, the light sensor and the vibration sensor are connected with the signal input end of the digital-to-analog converter through a lead and carry out data transmission;
the signal output end of the digital-to-analog converter is connected with the signal input end of the single chip microcomputer and carries out data transmission, and the signal output end of the single chip microcomputer is connected with the signal input end of the power supply single circuit and carries out data transmission;
the signal output end of the single chip microcomputer is connected with the signal input end of the wireless transceiving module;
and the signal output end of the miniature temperature sensor is connected with the input end of the digital-to-analog converter and carries out data transmission.
As a further improvement of the invention, the second air outlet, the air inlet through hole and the heat dissipation air blowing hole are all pasted with one-way air valve pastes.
The invention has the beneficial effects that:
1. the invention almost covers the parameters to be detected in the transportation and storage of the goods, and the invention is integrated in the shell, so the structure is more compact and the use is more convenient.
2. The invention adopts the air flow to be detected for heat dissipation, can simplify the structure, saves energy and reduces energy consumption.
3. The invention uses the electronic refrigeration piece to refrigerate, so as to increase the heat dissipation effect of the circuit board, thereby ensuring that the circuit board is always in the best temperature environment.
4. The invention adopts the modes of step-by-step air supply, branch pipe air supply and the like to convey air flow, and the detection sequence of each detection device is reasonably arranged, thereby reducing the monitoring error and prolonging the service life of each detection device.
5. Each air flow detection device can be communicated with the main pipe through the branch pipe to supply air, and the main pipe is directly communicated with the air distribution main pipe, so that smoothness and detection accuracy of air flow can be guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 3 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 4 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 5 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 6 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 7 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 8 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 9 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 10 is a schematic structural diagram of an embodiment of the smart sensor according to the present invention.
Fig. 11 is a schematic structural diagram of an embodiment of the smart sensor of the present invention.
Fig. 12 is an enlarged view at F1 in fig. 11.
Fig. 13 is a schematic structural diagram of an embodiment of the smart sensor of the present invention.
Fig. 14 is a schematic structural diagram of a second heat sink assembly according to an embodiment of the smart sensor of the invention.
Fig. 15 is a schematic structural diagram of a second heat sink assembly according to an embodiment of the smart sensor of the invention.
Fig. 16 is a schematic diagram of a second heat sink structure of an embodiment of the smart sensor of the present invention.
FIG. 17 is a schematic view of the gas flow direction and electrical system of one embodiment of the smart sensor of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 to 16, an intelligent sensor includes a housing 100, a mounting plate 110 fixed to the housing 100, a mounting through hole 111 provided in the mounting plate 110, the mounting through hole being used for passing a bolt to fix the housing 100 to an external device;
the housing 100 is provided with a heat dissipation groove 102 and a light receiving groove 101, the light receiving groove 101 is fixedly installed with a transparent plate 120, and the transparent plate is in a transparent state;
the shell 100 in from top to bottom be equipped with in proper order: a first separator 210, a second separator 220, a third separator 230, a fourth separator 240, a fifth separator 250, a sixth separator 260, a seventh separator 270,
the first partition plate 210 and the seventh partition plate 270 are respectively fixed with two ends inside the shell in a sealing way;
the seventh partition 270 is provided with an air inlet, and the air inlet is formed by a plurality of air inlet through holes 271 arranged on the seventh partition 270;
the air inlet is hermetically assembled with the air exhaust end of the air exhaust device 410, the air outlet end of the air exhaust device 410 is communicated with the temperature measuring cylinder 421 through an air pipe, and the temperature probe 423 is arranged in the temperature measuring cylinder 421 for detecting the temperature of the air passing through the temperature measuring cylinder;
the air extracting device is used for extracting external air into the shell and can be an air pump or an air convection fan.
The output end of the temperature probe is connected with the input end of the temperature sensor 422 so as to transmit a temperature signal into the temperature sensor 422;
the temperature measuring cylinder is communicated with the air inlet end of the flow meter 430 through an air pipe, the air outlet end of the gas flow meter is communicated with the air inlet of the dust meter probe 441 through an air pipe, the air outlet of the dust meter probe 441 is communicated with the air inlet of the humidity sensor 450 through an air pipe, and the air outlet of the humidity sensor 450 is communicated with the air inlet of the filter 460 through an air pipe;
the signal output end of the dust instrument probe 441 is connected with the signal input end of a dust instrument 442, and the model of the dust instrument is CEL-712 Microdust Pro (British CASELLA CEL-712 real-time laser dust detector);
the filter 460 is used for filtering large-particle impurities in the air flow, the filtering precision is up to PM2.5, and the design can prevent the impurities in the air flow from influencing the measurement and use of a precision instrument in the later period;
the air outlet of the filter 460 is communicated with a first air distribution cavity 262 through an air pipe, the first air distribution cavity 262 is further communicated with a first air branch passage 263, a second air branch passage 264, a third air branch passage 265, a fourth air branch passage 266 and one end of an air distribution main pipe 610, the first air branch passage 263, the second air branch passage 264, the third air branch passage 265 and the fourth air branch passage 266 are formed by assembling air grooves on a fifth partition plate 250 and a sixth partition plate 260, and the fifth partition plate 250 and the sixth partition plate 260 are assembled in a sealing mode;
the first branch air cavity 262 can enable air flow to enter a first branch air channel 263, a second branch air channel 264, a third branch air channel 265 and a fourth branch air channel 266;
the other ends of the second branch gas channel 264 and the third branch gas channel 265 are respectively communicated with the gas inlets of an oxygen sensor 470 and a combustible gas sensor 480;
the other ends of the first branch air passage 263 and the fourth branch air passage 266 are respectively sealed by a sealing plug 490, and when other equipment is required to be connected externally, the sealing plug is only required to be taken out and then communicated with the air inlet of the other equipment;
the gas outlets of the oxygen sensor 470 and the combustible gas sensor 480 are communicated with the second branch gas pipe 612 through gas pipes, and the second branch gas pipe 612 and the first branch gas pipe 611 are arranged on the branch gas main pipe 610 and are communicated with the same;
the first branch air pipe 611 is communicated with the bottom of the second vent hole 245, the second branch air pipe 612 is communicated with the second gas separation cavity 246, and the second gas separation cavity 246 is communicated with the bottom of the first vent hole 243;
the top of the second ventilation hole 245 is communicated with a third ventilation hole 512 at the bottom of the heat dissipation shell 510, and the third ventilation hole 512 is communicated with a ventilation cavity 514; the heat dissipation shell 510 is further provided with a heat dissipation mounting groove 511 and a heat dissipation mounting hole 513, and two ends of the heat dissipation shaft 531 are respectively installed in the heat dissipation mounting hole 513 and are hermetically assembled with the heat dissipation mounting hole 513;
the second sub-air chamber enables the air flow to be uniformly blown out through the first vent holes 243;
the heat dissipation shaft 531 is provided with first heat dissipation fins 532, and the first ventilation holes 243 are arranged below two first heat dissipation fins 532;
two ends of the heat dissipation shaft 531 are respectively assembled and fixed with the heat conduction block 550 through countersunk bolts 570; the countersunk head bolt 570 is tightly assembled with the countersunk hole 552;
the heat conducting block 550 is provided with a refrigerating groove 551, an electronic refrigerating sheet 540 is fixed in the refrigerating groove 551, and the refrigerating surface of the electronic refrigerating sheet 540 is closely fixed with the end surface of the refrigerating groove 551. Preferably, a plurality of first heat-conducting protrusions 561 are arranged on the end surfaces of the refrigeration grooves 551, and the first heat-conducting protrusions 561 are fixedly attached to the refrigeration surface of the electronic refrigeration sheet 540;
the heating surface of the electronic cooling plate 540 is closely fixed to the second heat conducting protrusion 562 of the second heat sink assembly 520, the second heat conducting protrusion 562 is fixed to the heat dissipation fixing block 522, the heat dissipation fixing block 522 is fixed to the heat dissipation fixing plate 524 as a whole, and the area of the end surface of the heat dissipation fixing block 522 is smaller than that of the heat dissipation fixing plate 524 (see fig. 15, in the left view direction);
the air guide heat dissipation groove 523 is arranged on the heat dissipation fixed block 522, the heat dissipation fixed plate 524 is assembled and fixed with the second heat dissipation fin 521, the side surface of the heat dissipation fixed plate 524 is hermetically assembled with the heat dissipation installation groove 511, and the heat dissipation fixed plate 524, the heat dissipation fixed block 522 and the side wall of the heat dissipation installation groove 511 form a ventilation cavity 514 together;
a heat dissipation air blowing hole 525 is arranged between the two second heat dissipation plates 521 and on the heat dissipation fixing plate 524, and the heat dissipation air blowing hole 525 penetrates through the heat dissipation fixing plate 524 and is communicated with the air guide heat dissipation groove 523;
the heat dissipation shell 510 is hermetically assembled with the heat dissipation groove 102;
the heat dissipation case 510 is fixed on the fourth partition groove 242 of the fourth partition 240, the fourth partition 242 is further provided with a battery installation groove 241, and the battery 340 is fixed in the battery installation groove 241; the design can lead the gas blown out from the third vent hole to be partially blown back to the battery, thus being convenient for the heat dissipation of the battery;
the fourth partition plate groove 242 is designed to enable the air blown out from the third vent hole to directly blow to the third partition plate, so that the heat dissipation effect on the circuit board is increased;
the third partition plate 230 is provided with a plurality of partition plate through holes 231, the third partition plate 230 is provided with a vibration sensor 320 and a circuit board 330, the transparent plate 120 is internally provided with an optical sensing device 310, the optical sensing device 310 is provided with a light sensor, and the light sensor acquires light through the transparent plate 120;
the second partition plate 220 and the first partition plate 210 are respectively provided with a first air outlet 221 and a second air outlet 211, and the first air outlet 221 and the second air outlet 211 are distributed at 180 degrees (see fig. 4, in the top view direction). This design not only enables the air flow to stay in the housing for a prolonged period of time, but also prevents external foreign materials from directly penetrating through the second barrier 220 into the housing.
Referring to fig. 17, the circuit board 330 is provided with:
the positioning module is used for positioning and can be a GPS module;
a digital-to-analog converter for converting the electrical signal and the digital signal to each other;
the singlechip is used for receiving and transmitting control instructions;
the power supply circuit is used for controlling the current on-off of the electric equipment connected with the power supply circuit;
the miniature temperature sensor is used for detecting the temperature of the environment where the circuit board is located;
the wireless transceiving module is used for being in wireless connection with external equipment and performing data transmission, and can be a WIFI module, a 4G module, a Bluetooth module and the like;
the power supply circuit is characterized in that the power supply circuit is electrically connected with the power outlet end of the battery, the power outlet end of the power supply circuit is respectively electrically connected with the power inlet end of each electric device (such as an air extractor, a temperature sensor, a flowmeter, a dust meter, a humidity sensor, an oxygen sensor, a combustible gas sensor, a light sensor, a vibration sensor, a circuit board, an electronic refrigeration sheet and the like), and the power supply circuit can control the on-off of the current of the power supply device connected with the power supply circuit;
the temperature sensor is a thermocouple type temperature sensor;
the signal output ends of the temperature sensor, the flowmeter, the dust meter, the humidity sensor, the combustible gas sensor, the oxygen sensor, the light sensor and the vibration sensor are connected with the signal input end of the digital-to-analog converter through a lead and carry out data transmission;
the signal output end of the digital-to-analog converter is connected with the signal input end of the single chip microcomputer and carries out data transmission, and the signal output end of the single chip microcomputer is connected with the signal input end of the power supply single circuit and carries out data transmission;
the signal output end of the single chip microcomputer is connected with the signal input end of the wireless transceiving module, and when the wireless transceiving module is used, data can be transmitted outwards through the wireless transceiving module;
and the signal output end of the miniature temperature sensor is connected with the input end of the digital-to-analog converter and carries out data transmission.
When the temperature measuring device is used, the power supply single circuit is powered on, the single chip microcomputer controls the power supply circuit to enable the power supply circuit to supply power to all electric equipment, then the air extractor is started, external air is sucked in from the air inlet and conveyed to the temperature measuring cylinder 421, the temperature probe 423 in the temperature measuring cylinder generates an electric signal through temperature change, the electric signal is transmitted to the temperature sensor for analysis and then transmitted to the digital-to-analog converter on the circuit board, the digital signal is converted into a digital signal through the digital-to-analog converter and then transmitted to the single chip microcomputer, and the single chip microcomputer transmits the digital;
the airflow enters a flow meter through a temperature measuring cylinder 421, the flow rate, the flow velocity and the like of the airflow are calculated through the flow meter (an electronic flow meter), then the airflow enters a dust meter probe, and after the dust is detected through laser of the dust meter probe, the dust meter probe transmits a detected electric signal to a dust meter for analysis and then transmits the electric signal to a digital-analog converter;
the airflow enters a humidity sensor through a dust instrument probe, and relevant data are transmitted to a digital-to-analog converter after the humidity of the airflow is detected by the humidity sensor;
the airflow enters the first gas separation cavity after being filtered by the filter, and is filtered by the filter, so that large-particle magazines can be prevented from influencing the detection data and normal use of the combustible gas sensor and the oxygen sensor;
after entering the first gas distribution cavity, the gas flow respectively introduces part of the gas flow into the oxygen sensor and the combustible gas sensor for detection through the second gas branch pipeline and the third gas branch pipeline, and most of the gas flow enters the gas distribution main pipe;
gas detected by the oxygen sensor and the combustible gas sensor is introduced into the second branch gas pipe, enters the second gas distribution cavity through the second branch gas pipe, is blown to the first cooling fins through the first ventilation holes, cools the gas flow through the first cooling fins and then is sent to the third partition plate;
the first branch air pipe introduces part of the air flow into the ventilation cavity and blows the air flow to the second radiating fin through the air guide radiating groove 523 and the radiating air blowing hole 525 so as to radiate the second radiating fin;
through the design of the heat dissipation air blowing hole and the first air ventilation hole, the detected air flow can be directly used for heat dissipation, energy is saved more, the structure is simplified, and the manufacturing cost is reduced.
The vibration sensor monitors the vibration condition of the whole intelligent sensor in real time and transmits corresponding data to the digital-to-analog converter;
the light sensor transmits signals generated by the illumination condition to the digital-to-analog converter, the signals are converted into digital signals by the digital-to-analog converter and then transmitted to the single chip microcomputer, and the single chip microcomputer judges whether the intelligent sensor is in a dark place or a bright place (a light place or a non-light place) according to the digital signals;
the positioning module positions the intelligent sensor in real time and transmits positioning information to the digital-to-analog converter;
the micro temperature sensor monitors the temperature of the circuit board in real time, and if the temperature is higher, a lower signal is sent to the single chip microcomputer, and the single chip microcomputer controls the electronic refrigerating sheet to be powered on to start refrigerating;
because the air current that comes out from first ventilation hole directly blows to the third baffle, and the third baffle is the orifice plate in fact, so the circuit board can obtain better radiating effect to make its electric elements be in best operating temperature, this can improve its work efficiency and life.
The digital-to-analog converter converts the received data into digital signals one by one, and then the digital signals are received by the single chip microcomputer and transmitted to external equipment (such as a control terminal or a server) through the wireless receiving and transmitting module, so that the real-time monitoring of the air index of the environment where the intelligent sensor is located is realized, the hidden danger can be found in time, and the loss is avoided.
A smoke sensor can be arranged between the humidity sensor and the filter, so that fire or fire hidden danger can be found in time.
All the airflow detection data can be directly used after being converted and error-compensated by combining the airflow flow and the flow rate, and the part can be placed in a server or a control terminal.
Further, micro flow meters can be disposed on the first branch air passage 263, the second branch air passage 264, the third branch air passage 265, and the fourth branch air passage 266 for counting the amount of air flow and the flow rate passing through them, but a sensor with such a function can be directly selected.
Further, in order to facilitate wiring, a third separator wire passing hole 232 and a third separator auxiliary wire passing hole may be disposed on the third separator 230, a circuit board wire passing hole 311 is disposed at a position where the circuit board corresponds to the third separator auxiliary wire passing hole, and the third separator auxiliary wire passing hole is directly opposite to the battery jar 241, which is beneficial to that a wire led out from the battery 340 can be directly connected with the circuit board for conduction;
a fourth separator wire passing hole 244 is formed in the position, corresponding to the third separator wire passing hole 232, of the fourth separator, and the fourth separator wire passing hole 244 penetrates through the fourth separator;
the fifth clapboard and the sixth clapboard are provided with comprehensive wire passing holes 261;
during the use, wire, data line can pass each line hole of crossing as required, then seal fixedly between each line hole of crossing and the circuit through the sealing plug, and this can make the inside circuit layout of shell more regular.
Furthermore, the second air outlet 211, the air inlet through hole 271 and the heat dissipation air blowing hole are all pasted with one-way air valve pastes, so that air flow can only flow out or in a one-way mode, and external sundries are prevented from reversely entering the shell or reversely flowing back.
The invention is not described in detail, but is well known to those skilled in the art.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. An intelligent sensor, comprising, a housing, characterized by: the shell is provided with a heat dissipation groove and a light receiving groove, and the light receiving groove is fixedly arranged with the transparent plate;
the shell in from top to bottom be equipped with in proper order: the first partition plate, the second partition plate, the third partition plate, the fourth partition plate, the fifth partition plate, the sixth partition plate and the seventh partition plate;
the first partition plate and the seventh partition plate are respectively fixed with two ends in the shell in a sealing way;
the second partition plate is positioned between the first partition plate and the third partition plate, a first air outlet and a second air outlet are respectively arranged on the second partition plate and the first partition plate, and the first air outlet and the second air outlet are distributed in a 180-degree manner;
the seventh clapboard is provided with an air inlet, and the air inlet is formed by a plurality of air inlet through holes arranged on the seventh clapboard;
the gas inlet is hermetically assembled with the gas exhaust end of the gas exhaust device, the gas exhaust end of the gas exhaust device is communicated with the temperature measuring cylinder through a gas pipe, and the temperature probe is arranged in the temperature measuring cylinder and used for detecting the temperature of gas passing through the temperature measuring cylinder;
the output end of the temperature probe is connected with the input end of the temperature sensor so as to transmit the temperature signal to the temperature sensor;
the temperature measuring cylinder is communicated with the air inlet end of the flow meter through an air pipe, the air outlet end of the gas flow meter is communicated with the air inlet of the dust meter probe through the air pipe, the air outlet of the dust meter probe is communicated with the air inlet of the humidity sensor through the air pipe, and the air outlet of the humidity sensor is communicated with the air inlet of the filter through the air pipe;
the signal output end of the dust instrument probe is connected with the signal input end of the dust instrument;
the air outlet of the filter is communicated with a first air distribution cavity through an air pipe, the first air distribution cavity is further communicated with one end of a first branch air passage, a second branch air passage, a third branch air passage, a fourth branch air passage and an air distribution main pipe, the first branch air passage, the second branch air passage, the third branch air passage and the fourth branch air passage are formed by assembling air grooves in a fifth partition plate and a sixth partition plate, and the fifth partition plate and the sixth partition plate are assembled in a sealing mode;
the other ends of the first branch air passage and the fourth branch air passage are respectively sealed by sealing plugs;
the other ends of the second branch air passage and the third branch air passage are respectively communicated with an oxygen sensor and a combustible gas sensor;
the gas outlets of the oxygen sensor and the combustible gas sensor are communicated with a second branch gas pipe through gas pipes, and the second branch gas pipe and the first branch gas pipe are arranged on and communicated with the branch gas main pipe;
the first branch air pipe is communicated with the bottom of the second vent hole, the second branch air pipe is communicated with the second gas distribution cavity, and the second gas distribution cavity is communicated with the bottom of the first vent hole;
a battery mounting groove is formed in the fourth partition plate, and a battery is fixed in the battery mounting groove;
the third baffle on be equipped with the several baffle through-hole, just the third baffle on be equipped with vibration sensor, circuit board, the transparent plate inside be the light sense device, the light sense device on be equipped with light sensor.
2. The smart sensor of claim 1 wherein: the shell on be fixed with the mounting panel, the mounting panel on be equipped with the installation through-hole.
3. The smart sensor of claim 1 wherein: the transparent plate is in a transparent state.
4. The smart sensor of claim 1 wherein: the top of the second vent hole is communicated with a third vent hole at the bottom of the heat dissipation shell, and the third vent hole is communicated with the vent cavity; the heat dissipation shell is also provided with a heat dissipation mounting groove and a heat dissipation mounting hole, and two ends of the heat dissipation shaft are respectively arranged in the heat dissipation mounting holes and are in sealing assembly with the heat dissipation mounting holes;
the heat dissipation shaft is provided with first cooling fins, and the first ventilation hole is formed below the space between the two first cooling fins;
two ends of the heat dissipation shaft are respectively assembled and fixed with the heat conduction block through countersunk bolts;
the heat conduction block is provided with a refrigeration groove, an electronic refrigeration sheet is fixed in the refrigeration groove, and a refrigeration surface of the electronic refrigeration sheet is fixedly attached to the end surface of the refrigeration groove.
5. The smart sensor of claim 4 wherein: a plurality of first heat conduction bulges are arranged on the end surface of the refrigeration groove, and the first heat conduction bulges are tightly adhered and fixed with the refrigeration surface of the electronic refrigeration piece;
the heating surface of the electronic refrigeration piece is tightly adhered and fixed with a second heat conduction bulge of a second heat radiation piece assembly, the second heat conduction bulge is fixed on a heat radiation fixed block, the heat radiation fixed block and a heat radiation fixed plate are fixed into a whole, and the area of the end surface of the heat radiation fixed block is smaller than that of the heat radiation fixed plate;
the heat dissipation fixed block on be equipped with the air guide radiating groove, heat dissipation fixed plate and second fin assembly fixed, heat dissipation fixed plate side and heat dissipation mounting groove seal assembly, just heat dissipation fixed plate, heat dissipation fixed block and heat dissipation mounting groove lateral wall constitute the chamber of ventilating jointly.
6. The intelligent sensor of claim 5, wherein: radiating air blowing holes are formed between the two second radiating plates and on the radiating fixing plate, penetrate through the radiating fixing plate and are communicated with the air guide radiating grooves; the heat dissipation shell is hermetically assembled with the heat dissipation groove; the heat dissipation shell is fixed on the fourth clapboard groove of the fourth clapboard.
7. The smart sensor of claim 1 wherein: the circuit board is provided with:
the positioning module is used for positioning;
a digital-to-analog converter for converting the electrical signal and the digital signal to each other;
the singlechip is used for receiving and transmitting control instructions;
the power supply circuit is used for controlling the current on-off of the electric equipment connected with the power supply circuit;
the miniature temperature sensor is used for detecting the temperature of the environment where the circuit board is located;
the wireless transceiving module is used for being in wireless connection with external equipment and transmitting data;
the power supply circuit is connected with the power output end of the battery for conduction, the power output end of the power supply circuit is respectively connected with the power input end of each electric device for conduction, and the power supply circuit can control the on-off of the current of the power supply device connected with the power supply circuit;
the signal output ends of the temperature sensor, the flowmeter, the dust meter, the humidity sensor, the combustible gas sensor, the oxygen sensor, the light sensor and the vibration sensor are connected with the signal input end of the digital-to-analog converter through a lead and carry out data transmission;
the signal output end of the digital-to-analog converter is connected with the signal input end of the single chip microcomputer and carries out data transmission, and the signal output end of the single chip microcomputer is connected with the signal input end of the power supply single circuit and carries out data transmission;
the signal output end of the single chip microcomputer is connected with the signal input end of the wireless transceiving module;
and the signal output end of the miniature temperature sensor is connected with the input end of the digital-to-analog converter and carries out data transmission.
8. The smart sensor of claim 6 wherein: and one-way air valve stickers are pasted on the second air outlet, the air inlet through hole and the heat dissipation air blowing hole.
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| CN201711485846.9A CN108151807B (en) | 2017-12-29 | 2017-12-29 | Intelligent sensor |
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| CN108088490B (en) * | 2017-12-29 | 2020-06-02 | 律晖智能科技(上海)有限公司 | Data acquisition device |
| CN109612529A (en) * | 2018-12-27 | 2019-04-12 | 广州市圣高测控科技有限公司 | A kind of measuring multiple parameters control pick-up wireless transmission integrated multi-functional instrument |
| CN109931485A (en) * | 2019-04-15 | 2019-06-25 | 中国船舶重工集团公司第七0三研究所 | A kind of vibration acceleration sensor bracket of band heat dissipation and heat insulating function |
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Effective date of registration: 20220224 Address after: 226000 room 1108, building 8, Tian'an Digital City, No. 199, Shennan Road, Yongxing street, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Jiangsu LUHANG Intelligent Technology Co.,Ltd. Address before: 200120 room 2345-d, building 2, No. 1077, Zuchongzhi Road, China (Shanghai) free trade Experimental Zone, Pudong New Area, Shanghai Patentee before: SPRING BACK TECHNOLOGY (SHANGHAI) Co.,Ltd. |