CN212483514U - Alarm type carbon dioxide and oxygen multi-measuring point detector - Google Patents
Alarm type carbon dioxide and oxygen multi-measuring point detector Download PDFInfo
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- CN212483514U CN212483514U CN202020855434.0U CN202020855434U CN212483514U CN 212483514 U CN212483514 U CN 212483514U CN 202020855434 U CN202020855434 U CN 202020855434U CN 212483514 U CN212483514 U CN 212483514U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/76—Oxygen
Abstract
The utility model relates to an alarm-type carbon dioxide and oxygen multi-measuring-point detector, which comprises a master machine provided with a power plug, wherein a plurality of submachine are connected in series on the master machine through a network communication line; the submachine is a carbon dioxide sensor unit and an oxygen sensor unit which are independent from each other. The alarm type carbon dioxide and oxygen multi-measuring-point detector can facilitate a user to randomly select the number and the sequence of carbon dioxide and oxygen submachine, meets the requirement of monitoring a plurality of rooms in a monitoring room of the client, can enable the user to better know the variation process of the carbon dioxide concentration and the oxygen concentration, can call historical data of a certain submachine in a certain time period, can also enable the user to number the submachine according to the requirement, automatically judges the type of gas sensor used in the submachine which is numbered currently, and has strong practicability.
Description
Technical Field
The utility model relates to a gaseous detection area especially relates to a warning type carbon dioxide, oxygen multi-measuring-point detector.
Background
The gas detector is an instrument and meter tool for detecting gas leakage concentration, and comprises a portable gas detector, a handheld gas detector, a fixed gas detector, an online gas detector and the like. Gas sensors are used to detect the types of gases present in the environment, gas sensors are sensors used to detect the composition and content of gases.
The main functions of the existing fixed gas detector and the existing online gas detector mainly lie in carbon dioxide detection, and the existing fixed gas detector and the existing online gas detector are mainly applied to detecting the concentration of carbon dioxide in industrial, agricultural and residential environments; the device mainly comprises a master machine with a sensor and a plurality of submachine with a display function, wherein the submachine is provided with a carbon dioxide sensor, detects the content of carbon dioxide through the carbon dioxide sensor, can display data measured by the master machine at a plurality of positions and can give an alarm if the submachine is abnormal; however, the gas detector has a single function, can only detect single carbon dioxide content in the air, cannot measure data of multiple places, can only check current data, cannot inquire historical data and number submachine data, is not high in monitoring comparison effect, cannot independently regulate and control abnormal gas in the air, and is not high in using effect.
Disclosure of Invention
The utility model aims to solve the technical problem that a warning type carbon dioxide, oxygen multiple measuring point detector that can realize many places carbon dioxide data and oxygen data measurement and can regulate and control the inquiry to historical data is provided.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme: an alarm-type carbon dioxide and oxygen multi-measuring-point detector comprises a master machine provided with a power plug, wherein a plurality of submachine are connected in series on the master machine through network communication lines; the submachine is a carbon dioxide sensor unit and an oxygen sensor unit which exist in an independent main body form; the mother machine consists of a mother machine rear cover, a mother machine circuit board and a mother machine front cover; the front surface of the main machine rear cover is provided with a first cavity with an outward opening, the main machine circuit board is fixed in the first cavity, and the main machine front cover is fixed on the front surface of the main machine rear cover through bolts and seals the main machine circuit board; the front surface of the mother machine front cover is provided with a mother machine panel; a main machine buzzer is welded at the right upper part of the front side of the main machine circuit board, a dot-matrix liquid crystal display screen is welded in the middle of the main machine circuit board, five independent main machine LED lamps, four independent control keys and a main machine reset key are welded at the position, below the dot-matrix liquid crystal display screen, of the main machine circuit board, and the control keys and the main machine reset key are located right below the main machine LED lamps; the back of the mother machine circuit board is welded with a storage chip and a relay, the storage chip is positioned above the relay, and the back of the mother machine circuit board is also welded with a wiring terminal, a power supply module, a safety capacitor, a common mode inductor and a direct current switch regulator; the bottom of the rear cover of the main machine is provided with a plurality of wiring holes communicated with the first cavity in the main machine, the wiring terminals on the circuit board of the main machine correspond to the wiring holes, the wiring holes are sleeved with waterproof cable fixing heads, and external wiring harnesses penetrate through the cable fixing heads and are inserted into the wiring terminals; the sub machine consists of a sub machine rear cover, a sub machine circuit board, a sensor small plate and a sub machine front cover; the front side of the sub-machine rear cover and the back side of the sub-machine front cover are respectively provided with a second cavity with an outward opening and corresponding to each other, the sub-machine circuit board and the sensor small plate are fixed in the second cavity, and the sub-machine front cover is fixed on the front side of the sub-machine rear cover through bolts and seals the sub-machine circuit board and the sensor small plate; the temperature and humidity sensor comprises a submachine circuit board, a submachine buzzer, a selection switch and a dial switch, wherein the submachine buzzer is welded on the left upper side of the front side of the submachine circuit board, five submachine LED lamps are welded on the submachine circuit board at the positions below the submachine buzzer and the right side of the submachine circuit board, the back of the submachine circuit board is provided with the selection switch and the dial switch which correspond to the positions of the submachine LED lamps, two network connector sockets which are arranged in parallel are welded below the selection switch and the dial switch, the bottom of each network connector socket corresponds to a network line connection hole which is preset on a back cover of the submachine, the top of each network connector socket is connected with a network communication connector socket small plate, the network communication connector socket small plate is welded on the back of the submachine circuit board through a 90-degree double-row PIN needle, a temperature and, the submachine reset key is positioned right above the sensor; the front side of the sub machine front cover is provided with a sub machine panel, the sub machine panel and the sub machine front cover are provided with lamp holes with the number and the positions corresponding to those of sub machine LED lamps on a sub machine circuit board and key holes with the number and the positions corresponding to those of sub machine reset keys, the heads of the sub machine LED lamps are inserted in the corresponding lamp holes, and rubber keys with the tail ends contacting with the end faces of the sub machine reset keys are arranged in the key holes; and the front surface of the sub-machine front cover is positioned under the key hole and is provided with a front air hole and a rear air hole which are hollowed out, and the air holes correspond to the sensors on the front surface of the small sensor plate.
Preferably, the front cover of the mother machine is provided with a display hole which can be mutually clamped with the dot matrix liquid crystal display screen on the mother machine circuit board and lamp holes which correspond to the five mother machine LED lamps on the mother machine circuit board in number and position, and the heads of the mother machine LED lamps are inserted into the corresponding lamp holes; all be provided with on female quick-witted protecgulum and the female quick-witted panel with female quick-witted circuit board on control button and female quick-witted reset key quantity equal and the key hole that the position corresponds, be provided with the female quick-witted button of making by rubber in the key hole, the terminal of female quick-witted button and the control button and the contact of female quick-witted reset key that correspond.
Preferably, a first waterproof ring is arranged between the joint of the female machine rear cover and the female machine front cover; and a fixed frame is arranged on the back surface of the back cover of the main machine.
Preferably, the sensor is a carbon dioxide sensor, and the handset to which the carbon dioxide sensor is attached constitutes a carbon dioxide sensor unit.
Preferably, the sensor is an oxygen sensor, and the handset to which the oxygen sensor is attached constitutes an oxygen sensor unit.
Preferably, the partitions corresponding to each other are arranged in the second cavities corresponding to the sub-machine rear cover and the sub-machine front cover, the inner cavities formed by the second cavities in the spliced sub-machine rear cover and the sub-machine front cover are divided into an upper independent cavity and a lower independent cavity by the partitions, and the small sensor plate welded with the sensor is positioned in the lower cavity formed by the sub-machine rear cover and the sub-machine front cover; the front side of the back cover of the submachine, which is close to the upper part, is provided with a switch presetting cavity in a cylindrical structure, the switch presetting cavity is communicated with the front and the back, the end surface of the switch presetting cavity is circular, the selector switch and the dial switch are positioned in the switch presetting cavity, a switch cover is clamped at an opening on the back side of the back cover of the submachine in the switch presetting cavity, and a switch waterproof ring is arranged between the switch cover and the switch presetting cavity.
Preferably, a second waterproof ring is arranged between the joint of the front cover and the rear cover of the submachine; a waterproof buffer pad is arranged on the front side of the son machine buzzer; a waterproof breathable film is arranged on the inner side of the air hole on the front cover of the submachine and between the end surfaces of the sensors.
Compared with the prior art, the utility model discloses an useful part is: the alarm type carbon dioxide and oxygen multi-measuring-point detector can facilitate a user to randomly select the number and the sequence of carbon dioxide and oxygen submachine, meets the requirement of monitoring a plurality of rooms by one monitoring room of the client, can enable the user to better know the variation process of carbon dioxide concentration and oxygen concentration, can call historical data of a certain submachine in a certain period, can also enable the user to number the submachine according to the requirement, and automatically judges the type of gas sensor used in the currently numbered submachine; the gas in the little space that the sensor belongs to can be faster with the corresponding efficiency of instrument outside gas exchange improvement instrument, when being surveyed the gas and exceed standard, the relay can be opened, can control the operation of external equipment such as fan or air conditioner and adjust the gas concentration that is surveyed in the air, facilitate promotion and application.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure principle of the multi-point detector for carbon dioxide and oxygen with alarm function;
FIG. 2 is a schematic view of the split structure of the main unit of the multi-point detector for alarming carbon dioxide and oxygen;
fig. 3 is the utility model discloses carbon dioxide sensor unit submachine split structure sketch map in warning class carbon dioxide, oxygen multi-point detector.
In the figure: 1. a master machine; 11. a back cover of the main machine; 111. a first cavity; 112. a wiring hole; 12. a front cover of the main machine; 121. a display aperture; 13. a mother board panel; 131. a key hole; 14. a mother board; 140. a dot-matrix liquid crystal display; 141. a wiring terminal; 142. a power supply module; 143. a safety capacitor; 144. a common mode inductor; 145. a DC switching regulator; 146. a memory chip; 147. a relay; 148. a parent machine buzzer; 149. a master LED lamp; 15. a first waterproof ring; 16. a key of the master machine; 161. a control key; 162. a master reset key; 17. a fixed mount; 2. a sub machine; 21. a sub machine rear cover; 211. a second cavity; 212. switching a preset cavity; 213. a switch cover; 214. a waterproof ring is opened and closed; 22. a front cover of the submachine; 221. a lamp hole; 222. air holes are formed; 223. a waterproof breathable film; 23. a sub machine panel; 24. a sub machine circuit board; 241. a submachine LED lamp; 242. a network connector socket; 243. a communication line socket; 244. a selector switch; 245. a waterproof cushion pad; 246. a sub-machine buzzer; 25. a network communication connector socket platelet; 251. a dial switch; 252. 90-degree double-row PIN needles; 26. a temperature and humidity small plate; 27. a sensor platelet; 271. a sensor; 272. a submachine reset key; 273. a rubber key; 28. a second waterproof ring; 3. a computer; 4. a power plug; 5. a fan; 6. a power supply system; 7. a warning light.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:
fig. 1 shows an alarm-type carbon dioxide and oxygen multi-point detector, which comprises a master machine 1 provided with a power plug 4, wherein a plurality of slave machines 2 are connected in series on the master machine 1 through network communication lines; the submachine 2 is a carbon dioxide sensor unit and an oxygen sensor unit which are independent from each other; the master machine 1 can be externally connected with a computer 3, a fan 5 and a power supply system 6 which are connected in series, and the master machine 1 and the slave machine 2 can be connected with warning lamps 7; the computer 3 displays data measured by the submachine 2 in real time through the master machine 1, the warning lamp 7 warns the monitoring of the master machine 1 and the submachine 2 and controls the fan 5, the power supply system 6 and the submachine 2 through the master machine 1. In order to ensure that the concentration of the measured gas in the air can be adjusted when the measured gas exceeds the standard, a fan 5 and a power supply system 6 which are connected in series are externally connected to the main machine 1; the power supply system 6 is a common power socket, and can be convenient for an air conditioner or other equipment to be electrified for use; the alarm lamps 7 which can be connected with the master machine 1 and the slave machine 2 can play a role in alarming when data is abnormal.
As shown in fig. 2, the main unit 1 is composed of a main unit rear cover 11, a main unit circuit board 14 and a main unit front cover 12; the front surface of the main machine rear cover 11 is provided with a first cavity 111 with an outward opening, the main machine circuit board 14 is fixed in the first cavity 111, and the main machine front cover 12 is fixed on the front surface of the main machine rear cover 11 through bolts and seals the main machine circuit board 14; a main machine panel 13 is arranged on the front surface of the main machine front cover 12; a mother machine buzzer 148 is welded at the right upper part of the front surface of the mother machine circuit board 14, when the measured gas exceeds the preset value of a user, the alarm can be given, and a dot-matrix liquid crystal display screen 140 is welded in the middle of the mother machine circuit board 14, so that the display mode of a chart is collated with the data of the average value and the maximum value, and the user can better know the change process of the concentration of the measured gas; five independent mother machine LED lamps 149, four independent control keys 161 and a mother machine reset key 162 are welded on the mother machine circuit board 14 below the dot matrix type liquid crystal display screen 140, related control programs are upgraded, a user can call historical data of a certain sub machine 2 in a certain time period, the control keys 161 and the mother machine reset key 162 are located right below the mother machine LED lamps 149, and the five independent mother machine LED lamps 149 respectively indicate whether a power supply, the concentration of the detected gas are abnormal or not, whether the concentration of the currently detected gas exceeds a first preset value or not, whether the concentration of the currently detected gas exceeds a second preset value or not and whether the concentration of the currently detected gas exceeds a third preset value or not; the back side of the mother machine circuit board 14 is welded with a memory chip 146 and a relay 147 capable of automatically controlling external equipment such as a computer 3, a fan 5, a power supply system 6 and the like according to measured data, the memory chip 146 is positioned above the relay 147, when the measured gas exceeds the standard, the relay 147 is opened to control the operation of external equipment such as a fan or an air conditioner to adjust the concentration of the measured gas in the air, and the memory chip 146 is used for storing historical data of the measured gas for a user to check; the back of the mother machine circuit board 14 is also welded with a wiring terminal 141, a power supply module 142, a safety capacitor 143, a common mode inductor 144 and a direct current switching regulator 145; the bottom of the main machine rear cover 11 is provided with a plurality of wiring holes 112 communicated with the first cavity 111 inside the main machine rear cover, the wiring terminals 141 on the main machine circuit board 14 correspond to the wiring holes 112, and external wiring harnesses penetrate through the wiring holes 112 to be inserted into the wiring terminals 141.
In order to ensure that the display data of the dot matrix type liquid crystal display screen 140 and the mother machine LED lamps 149 can be observed in real time on the mother machine 1 and the control of the mother machine keys 16 is facilitated, the display hole 121 capable of being mutually clamped with the dot matrix type liquid crystal display screen 140 on the mother machine circuit board 14 and the lamp holes corresponding to the number and the positions of the five mother machine LED lamps 149 on the mother machine circuit board 14 are arranged on the mother machine front cover 12, and the heads of the mother machine LED lamps 149 are inserted into the lamp holes corresponding to the lamp holes; all be provided with on female quick-witted protecgulum 12 and the female quick-witted panel 13 with female quick-witted circuit board 14 on control button 161 and female quick-witted reset key 162 quantity equal and the key hole 131 that the position corresponds, be provided with the female quick-witted button 16 of making by rubber in the key hole 131, the terminal of female quick-witted button 16 and the contact of corresponding control button 161 and female quick-witted reset key 162.
In order to prevent water from entering the main unit 1, a first waterproof ring 15 is arranged at the joint of the main unit rear cover 11 and the main unit front cover 12, a waterproof cable fixing head is sleeved on the wiring hole 112, and an external wiring harness penetrates through the cable fixing head and is connected to the wiring terminal 141 in an inserting mode; in order to facilitate the installation and fixation of the main unit 1, a fixing frame 17 is arranged on the back surface of the main unit rear cover 11.
As shown in fig. 3, the sub-unit 2 is composed of a sub-unit rear cover 21, a sub-unit circuit board 24, a sensor small board 27 and a sub-unit front cover 22, and the program is upgraded, so that a user can conveniently and automatically judge the type of the sensor 271 used by the current sub-unit, so as to meet the requirements of measuring different gases in different places; the front side of the sub-machine rear cover 21 and the back side of the sub-machine front cover 22 are both provided with second cavities 211 with outward openings and corresponding to each other, the sub-machine circuit board 24 and the sensor small board 27 are fixed in the second cavities 211, and the sub-machine front cover 22 is fixed on the front side of the sub-machine rear cover 21 through bolts and seals the sub-machine circuit board 24 and the sensor small board 27; a submachine buzzer 246 is welded on the left upper part of the front surface of the submachine circuit board 24, and can alarm when the measured gas exceeds the preset value of a user; five submachine LED lamps 241 are welded at the positions, below the submachine buzzer 246 and on the right, of the submachine circuit board 24, and the five submachine LED lamps 241 respectively represent a power supply, whether the concentration of the detected gas is abnormal or not, whether the concentration of the currently detected gas exceeds a first preset value or not, whether the concentration of the currently detected gas exceeds a second preset value or not and whether the concentration of the currently detected gas exceeds a third preset value or not; the back of the sub-machine circuit board 24 is provided with a selection switch 244 and a dial switch 251 corresponding to the positions of the sub-machine LED lamps 241, so that a user can number the sub-machines 2 through the switches, and the numerical value of which sub-machine 2 is currently displayed can be clearly displayed on the main machine 1 through the numbers; two network connector sockets 242 arranged in parallel are welded below the selection switch 244 and the dial switch 251 and can be connected with a master machine, a slave machine or a warning lamp, and a user can randomly select the number and the sequence of the slave machines to meet the requirements of the user by matching with the switch; the bottom of the network connector socket 242 corresponds to a network line connection hole preset on the sub-machine rear cover 21, the top of the network connector socket 242 is connected with a network communication connector socket small plate 25, the network communication connector socket small plate 25 is welded on the back of the sub-machine circuit board 24 through a 90-degree double-row PIN needle 252, a temperature and humidity small plate 26 is welded on the lower left of the network connector socket 242, a communication line socket 243 for connecting a sensor small plate 27 is welded on the right of the temperature and humidity small plate 26, a sensor 271 and a sub-machine reset key 272 are welded on the front of the sensor small plate 27, and the sub-machine reset key 272 is located right above the sensor; the front surface of the sub-machine front cover 22 is provided with a sub-machine panel 23, the sub-machine panel 23 and the sub-machine front cover 22 are provided with lamp holes 221 with the number and the positions corresponding to those of the sub-machine LED lamps 241 on the sub-machine circuit board 24 and key holes with the number and the positions corresponding to those of the sub-machine reset keys 272, the heads of the sub-machine LED lamps 241 are inserted into the corresponding lamp holes 221, and the key holes are internally provided with rubber keys 273 of which the tail ends are in contact with the end surfaces of the sub-machine reset keys 272; the front surface of the sub-machine front cover 22 is provided with air holes 222 which are hollowed out in the front and back directions and are located right below the key hole, and the air holes 222 correspond to the sensor 271 on the front surface of the sensor small plate 27.
In order to match with a switch user, the number and the sequence of the carbon dioxide and oxygen submachine can be selected randomly to meet the requirements of the user, the sensor 271 is a carbon dioxide sensor, and the submachine 2 provided with the carbon dioxide sensor forms a carbon dioxide sensor unit; or the sensor 271 is an oxygen sensor, and the submachine 2 provided with the oxygen sensor forms an oxygen sensor unit; the carbon dioxide or oxygen sensor is independently welded on the sensor small plate 27, so that the sensor small plate 27 can be replaced only when the sensor 271 is damaged, and the scrapping of the whole machine is avoided;
in order to enable gas in a small space where the sensor 271 is located to exchange with gas outside the instrument more quickly and improve the corresponding efficiency of the instrument, the second cavities 211 corresponding to the sub-machine rear cover 21 and the sub-machine front cover 22 are internally provided with corresponding partition boards, the inner cavities formed by the second cavities in the spliced sub-machine rear cover 21 and the sub-machine front cover 22 are divided into an upper independent cavity and a lower independent cavity by the partition boards, and the sensor small plate 27 welded with the sensor 271 is located in the lower cavity formed by the sub-machine rear cover 21 and the sub-machine front cover 22; the front side of the sub-machine rear cover 21 close to the upper part is provided with a switch presetting cavity 212 in a cylindrical structure, the switch presetting cavity 212 is communicated front and back, the end surface of the switch presetting cavity is circular, the selector switch 244 and the dial switch 251 are positioned in the switch presetting cavity 212, an opening of the switch presetting cavity 212 positioned on the back side of the sub-machine rear cover 21 is clamped with a switch cover 213, and a switch waterproof ring 214 is arranged between the switch cover 213 and the switch presetting cavity 212.
In order to ensure the waterproof performance of the submachine 2, a second waterproof ring 28 is arranged between the joint of the submachine front cover 22 and the submachine rear cover 21; the front surface of the son machine buzzer 246 is provided with a waterproof buffer 245; a waterproof breathable film 223 is arranged on the inner side of the air hole 222 on the submachine front cover 22 between the end surfaces of the sensors 271.
The specific working mode is as follows: the master machine 1 is connected with a plurality of slave machines 2, the slave machines 2 can be set as carbon dioxide sensor units or oxygen sensor units according to the requirements of different places for measuring different gases, and the master machine 1 can automatically judge the type of the sensor used by the current slave machine 2, and can be arbitrarily changed and monitored according to the gas requirements; the computer 3 can call the historical data of a certain period of time of a certain submachine 2 through the master machine 1 and can number the submachine 2; the dot matrix type liquid crystal display screen 140 on the mother machine 1 displays data arrangement capable of displaying the average value and the maximum value, so that a user can better know the change process of the concentration of the gas to be detected. When the measured gas in the space exceeds the preset value of the user, the buzzer 148 of the master machine and the buzzer 246 of the slave machine can alarm, and meanwhile, when the measured gas in the space exceeds the standard, the relay 147 can be opened to control the operation of the fan 5 or the external equipment such as an air conditioner and the like plugged in the power supply system 6 to adjust the concentration of the measured gas in the air.
The alarm type carbon dioxide and oxygen multi-measuring-point detector can facilitate a user to randomly select the number and the sequence of carbon dioxide and oxygen submachine, meets the requirement of monitoring a plurality of rooms by one monitoring room of the client, can enable the user to better know the variation process of carbon dioxide concentration and oxygen concentration, can call historical data of a certain submachine in a certain period, can also enable the user to number the submachine according to the requirement, and automatically judges the type of gas sensor used in the currently numbered submachine; the gas in the small space where the sensor 271 is located can be exchanged with the external gas of the instrument more quickly to improve the corresponding efficiency of the instrument, when the measured gas exceeds the standard, the relay 147 can be opened, the operation of external equipment such as a fan 5 or an air conditioner can be controlled to adjust the concentration of the measured gas in the air, and the popularization and the application are facilitated.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an alarm type carbon dioxide, oxygen multiple measuring point detector which characterized in that: the power supply system comprises a master machine (1) provided with a power plug (4), wherein a plurality of sub machines (2) are connected in series on the master machine (1) through network communication lines; the submachine (2) is a carbon dioxide sensor unit and an oxygen sensor unit which are independent from each other in a main body form; the master machine (1) consists of a master machine rear cover (11), a master machine circuit board (14) and a master machine front cover (12); the front surface of the main machine rear cover (11) is provided with a first cavity (111) with an outward opening, the main machine circuit board (14) is fixed in the first cavity (111), and the main machine front cover (12) is fixed on the front surface of the main machine rear cover (11) through bolts and seals the main machine circuit board (14); a mother machine panel (13) is arranged on the front surface of the mother machine front cover (12); a mother machine buzzer (148) is welded at the right upper part of the front face of the mother machine circuit board (14), a dot-matrix liquid crystal display screen (140) is welded in the middle of the mother machine circuit board, five independent mother machine LED lamps (149), four independent control keys (161) and a mother machine reset key (162) are welded at the position, below the dot-matrix liquid crystal display screen (140), of the mother machine circuit board (14), and the control keys (161) and the mother machine reset key (162) are located right below the mother machine LED lamps (149); the back of the mother machine circuit board (14) is welded with a storage chip (146) and a relay (147), the storage chip (146) is located above the relay (147), and the back of the mother machine circuit board (14) is also welded with a wiring terminal (141), a power supply module (142), a safety capacitor (143), a common mode inductor (144) and a direct current switch regulator (145); the bottom of the main machine rear cover (11) is provided with a plurality of wiring holes (112) communicated with the first cavity (111) inside the main machine rear cover, a wiring terminal (141) on the main machine circuit board (14) corresponds to the wiring holes (112), a waterproof cable fixing head is sleeved on the wiring holes (112), and an external wiring harness penetrates through the cable fixing head and is connected onto the wiring terminal (141) in an inserting mode; the sub-machine (2) consists of a sub-machine rear cover (21), a sub-machine circuit board (24), a sensor small plate (27) and a sub-machine front cover (22); the front side of the sub-machine rear cover (21) and the back side of the sub-machine front cover (22) are respectively provided with a second cavity (211) which is provided with an outward opening and corresponds to each other, the sub-machine circuit board (24) and the sensor small plate (27) are fixed in the second cavity (211), and the sub-machine front cover (22) is fixed on the front side of the sub-machine rear cover (21) through bolts and seals the sub-machine circuit board (24) and the sensor small plate (27); a sub-machine buzzer (246) is welded on the upper left side of the front face of the sub-machine circuit board (24), five sub-machine LED lamps (241) are welded on the sub-machine circuit board (24) at the positions below and right of the sub-machine buzzer (246), a selection switch (244) and a dial switch (251) corresponding to the positions of the sub-machine LED lamps (241) are arranged on the back face of the sub-machine circuit board (24), two network connector sockets (242) arranged in parallel are welded below the selection switch (244) and the dial switch (251), the bottom of each network connector socket (242) corresponds to a network line connection hole preset on a sub-machine rear cover (21), the top of each network connector socket (242) is connected with a network communication connector socket small plate (25), and each network communication connector socket small plate (25) is welded on the back face of the sub-machine circuit board (24) through a 90-degree double-row PIN (252), a temperature and humidity small plate (26) is welded at the lower left of the network connector socket (242), a communication wire socket (243) used for being connected with the sensor small plate (27) is welded at the right of the temperature and humidity small plate (26), a sensor (271) and a sub machine reset key (272) are welded on the front surface of the sensor small plate (27), and the sub machine reset key (272) is located right above the sensor (271); the front surface of the sub-machine front cover (22) is provided with a sub-machine panel (23), the sub-machine panel (23) and the sub-machine front cover (22) are provided with lamp holes (221) with the number and the positions corresponding to those of sub-machine LED lamps (241) on a sub-machine circuit board (24) and key holes with the number and the positions corresponding to those of sub-machine reset keys (272), the head part of the sub-machine LED lamp (241) is inserted into the corresponding lamp hole (221), and the key hole is internally provided with a rubber key (273) with the tail end contacting with the end surface of the sub-machine reset key (272); and the front surface of the sub-machine front cover (22) is positioned under the key hole and is provided with air holes (222) which are hollowed out in the front and back directions, and the air holes (222) correspond to the sensor (271) on the front surface of the sensor small plate (27).
2. The carbon dioxide, oxygen alarm multi-point detector as claimed in claim 1, wherein: the center of the mother machine front cover (12) is provided with a display hole (121) which can be mutually clamped with the dot matrix liquid crystal display (140) on the mother machine circuit board (14) and lamp holes which correspond to the number and the positions of five mother machine LED lamps (149) on the mother machine circuit board (14), and the heads of the mother machine LED lamps (149) are inserted in the corresponding lamp holes; all be provided with on female quick-witted protecgulum (12) and female quick-witted panel (13) with female quick-witted circuit board (14) on control button (161) and female quick-witted reset key (162) quantity equal and the key hole (131) that the position corresponds, be provided with female quick-witted button (16) of making by rubber in the key hole (131), the terminal of female quick-witted button (16) and the control button (161) and the contact of female quick-witted reset key (162) that correspond.
3. The carbon dioxide, oxygen alarm multi-point detector as claimed in claim 1, wherein: a first waterproof ring (15) is arranged between the joint of the mother machine rear cover (11) and the mother machine front cover (12); and a fixed frame (17) is arranged on the back surface of the main machine rear cover (11).
4. The carbon dioxide, oxygen alarm multi-point detector as claimed in claim 1, wherein: the sensor (271) is a carbon dioxide sensor, and the submachine (2) provided with the carbon dioxide sensor forms a carbon dioxide sensor unit.
5. The carbon dioxide, oxygen alarm multi-point detector as claimed in claim 1, wherein: the sensor (271) is an oxygen sensor, and the submachine (2) provided with the oxygen sensor forms an oxygen sensor unit.
6. The carbon dioxide, oxygen alarm multi-point detector as claimed in claim 1, wherein: the second cavity (211) corresponding to the sub-machine rear cover (21) and the sub-machine front cover (22) is internally provided with corresponding partition boards, an inner cavity formed by the second cavity is divided into an upper independent cavity and a lower independent cavity by the partition boards inside the spliced sub-machine rear cover (21) and the sub-machine front cover (22), and the small sensor plate (27) welded with the sensor (271) is positioned in the lower cavity formed by the sub-machine rear cover (21) and the sub-machine front cover (22); the front part of the sub-machine rear cover (21) close to the upper part is provided with a switch presetting cavity (212) which is of a cylindrical structure, the switch presetting cavity (212) is communicated with the front and the back, the end surface of the switch presetting cavity is circular, the selector switch (244) and the dial switch (251) are positioned in the switch presetting cavity (212), a switch cover (213) is clamped at an opening on the back surface of the sub-machine rear cover (21) in the switch presetting cavity (212), and a switch waterproof ring (214) is arranged between the switch cover (213) and the switch presetting cavity (212).
7. The carbon dioxide, oxygen alarm multi-point detector as claimed in claim 1, wherein: a second waterproof ring (28) is arranged between the joint of the front cover (22) and the rear cover (21) of the submachine; a waterproof buffer pad (245) is arranged on the front surface of the son machine buzzer (246); a waterproof breathable film (223) is arranged on the inner side of the air hole (222) on the submachine front cover (22) and between the end faces of the sensors (271).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020855434.0U CN212483514U (en) | 2020-05-20 | 2020-05-20 | Alarm type carbon dioxide and oxygen multi-measuring point detector |
| PCT/CN2021/093814 WO2021233223A1 (en) | 2020-05-20 | 2021-05-14 | Alarm-type carbon dioxide and oxygen multi-measurement point detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020855434.0U CN212483514U (en) | 2020-05-20 | 2020-05-20 | Alarm type carbon dioxide and oxygen multi-measuring point detector |
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| Publication Number | Publication Date |
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| CN212483514U true CN212483514U (en) | 2021-02-05 |
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|---|---|---|---|
| CN202020855434.0U Active CN212483514U (en) | 2020-05-20 | 2020-05-20 | Alarm type carbon dioxide and oxygen multi-measuring point detector |
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| Country | Link |
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| CN (1) | CN212483514U (en) |
| WO (1) | WO2021233223A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021233223A1 (en) * | 2020-05-20 | 2021-11-25 | 昆山热映光电有限公司 | Alarm-type carbon dioxide and oxygen multi-measurement point detector |
| WO2021233221A1 (en) * | 2020-05-20 | 2021-11-25 | 昆山热映光电有限公司 | Agricultural multifunctional carbon dioxide monitoring instrument |
| CN114047297A (en) * | 2021-11-17 | 2022-02-15 | 惠州凯美特气体有限公司 | Workshop oxygen-containing monitoring method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105044277A (en) * | 2014-12-05 | 2015-11-11 | 中国农业大学 | Carbon dioxide detection device |
| CN204423210U (en) * | 2015-03-06 | 2015-06-24 | 常州轻工职业技术学院 | A kind of industrialized agriculture intelligent monitor system based on radio sensing network |
| CN106482786A (en) * | 2016-10-19 | 2017-03-08 | 北京爱空气科技有限公司 | A kind of intelligent air detecting system |
| KR20180072438A (en) * | 2016-12-21 | 2018-06-29 | 주식회사 에스에스엘 | Agricultural IoT Integrated Sensor Terminal Apparatus based on Wireless Communications for Plant Growth Monitoring |
| CN206650698U (en) * | 2017-04-18 | 2017-11-17 | 南昌航空大学 | A kind of reading intelligent agriculture detection control apparatus based on internet |
| CN207908455U (en) * | 2017-07-21 | 2018-09-25 | 宁波市双嘉仪器有限公司 | A kind of carbon dioxide concentration detecting device for carbon dioxide incubator |
| CN208239915U (en) * | 2018-05-10 | 2018-12-14 | 云南绿界农业科技有限公司 | A kind of intelligence control system monitoring planting environment |
| IN201841049865A (en) * | 2018-12-29 | 2019-07-19 | ||
| CN212483513U (en) * | 2020-05-20 | 2021-02-05 | 昆山热映光电有限公司 | Alarm-like carbon dioxide multi-measuring-point detector |
| CN212483514U (en) * | 2020-05-20 | 2021-02-05 | 昆山热映光电有限公司 | Alarm type carbon dioxide and oxygen multi-measuring point detector |
| CN212301478U (en) * | 2020-05-20 | 2021-01-05 | 昆山热映光电有限公司 | Agricultural multifunctional carbon dioxide monitoring controller |
| CN111505218A (en) * | 2020-05-20 | 2020-08-07 | 昆山热映光电有限公司 | Agricultural is with multi-functional carbon dioxide monitor control appearance |
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2020
- 2020-05-20 CN CN202020855434.0U patent/CN212483514U/en active Active
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2021
- 2021-05-14 WO PCT/CN2021/093814 patent/WO2021233223A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021233223A1 (en) * | 2020-05-20 | 2021-11-25 | 昆山热映光电有限公司 | Alarm-type carbon dioxide and oxygen multi-measurement point detector |
| WO2021233221A1 (en) * | 2020-05-20 | 2021-11-25 | 昆山热映光电有限公司 | Agricultural multifunctional carbon dioxide monitoring instrument |
| CN114047297A (en) * | 2021-11-17 | 2022-02-15 | 惠州凯美特气体有限公司 | Workshop oxygen-containing monitoring method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021233223A1 (en) | 2021-11-25 |
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