CN116295658B - Monitoring and early warning system and monitoring and early warning method for multiple environment parameters - Google Patents
Monitoring and early warning system and monitoring and early warning method for multiple environment parameters Download PDFInfo
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- CN116295658B CN116295658B CN202310551406.8A CN202310551406A CN116295658B CN 116295658 B CN116295658 B CN 116295658B CN 202310551406 A CN202310551406 A CN 202310551406A CN 116295658 B CN116295658 B CN 116295658B
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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
- 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
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a monitoring and early warning system for multiple environment parameters, which comprises: the system comprises a monitoring inspection terminal, a plurality of data acquisition boxes, a wireless transmission module, an electric switching box, various cables and a sensor system. A monitoring and early warning method for multiple environment parameters comprises the following steps: s1, determining a use mode of monitoring and early warning of multiple environmental parameters according to a communication mode and an applicable working condition, wherein the use mode comprises a wired use mode, a wireless use mode and an off-line use mode; s2, monitoring and early warning of the environmental parameters are carried out based on monitoring and inspection software, control switching software, data acquisition software and wireless transmission software, wherein the monitoring and inspection software is stored in a handheld computer of a monitoring and inspection terminal, the control switching software is stored in a control switching board of the monitoring and inspection terminal, the data acquisition software is stored in a data acquisition board of a data acquisition box, and the wireless transmission software is stored in a wireless transmission board of a wireless transmission module.
Description
Technical Field
The invention belongs to the technical field of environment monitoring and early warning sensors, and particularly relates to a monitoring and early warning system and a monitoring and early warning method for multiple environment parameters.
Background
In the application scenes of aerospace and military industry, the monitoring of environmental parameters is usually single, at most, 2-3 parameters can be measured together, however, the power supply, the electrical conversion and the communication module of the equipment for multi-parameter comprehensive measurement are not public, so that the volume of the environmental monitoring equipment is huge, and effective interference isolation and elimination measures are lacking in the parameter measurement process, so that the measured parameters are low in precision, and the equipment is difficult to adapt to the development of follow-up application equipment such as parameter-based control and adjustment in the high-precision aerospace equipment and military application scenes.
Thus, the above-mentioned prior art does have to propose a better solution.
Disclosure of Invention
The first aspect of the present invention provides a monitoring and early warning system for multiple environmental parameters, comprising:
the system comprises a monitoring inspection terminal 1, a plurality of data acquisition boxes 2, a wireless transmission module 3, an electrical switching box 4, a plurality of cables 5 and a sensor system 6;
the monitoring and inspection terminal 1 is respectively connected with a plurality of data acquisition boxes 2, and is used for receiving the information of various sensors in the sensor system through a wired or wireless mode from the data acquisition boxes 2 and comprehensively analyzing, displaying and storing the acquisition results of the sensors; human-computer interaction is realized; the power supply control, the working mode control and the communication control are used for the data acquisition box 2; for operating mode control and communication control of the wireless transmission module 3;
The data acquisition box 2 is connected with an object to be detected through the cable 5 respectively, and is used for acquiring sensor information and surrounding environment information on the object to be detected and sending the sensor information and the surrounding environment information to the outside, and storing the acquired sensor information and the acquired environment information to supply power to various sensors forming the sensor system 6 when the external sending is impossible;
the wireless transmission module 3 is used for sending the information of the sensor and the environmental information obtained by the data acquisition box 2 to the outside in a wireless mode and supplying power to the data acquisition box 2; the wireless transmission module 3 is matched with the data acquisition box 2 for use under the wireless working mode of the monitoring and early warning system and is directly fixedly connected with the data acquisition box 2;
the electric switching box 4 is connected between the data acquisition box 2 and the monitoring and inspection terminal 1 in a bridging way and is used for cascade long-distance transmission of the data acquisition box 2;
the plurality of cables 5 include a detection cable 51, a transit cable 52, a transmission cable 53, and a collection cable; the detection cable 51 is used for connecting the data acquisition box 2 with the monitoring and inspection terminal 1; or for connection of said transmission cable 53 to said monitoring and inspection terminal 1; the transfer cable 52 is used for transitional connection between the data acquisition box 2 and the transmission cable 53; or for connection of the data acquisition box 2 with the electrical junction box 4, wireless transmission module 3; the transmission cable 53 is used for transitional connection between the internal structure and the surface structure of the object to be measured and various sensors in the sensor system; the acquisition cable is used for connecting the connector on the object to be detected with the data acquisition box;
The sensor system 6 is disposed inside or on the surface of the object to be measured, and comprises a temperature-humidity-pressure synthesis sensor for monitoring the interior of the object to be measured, a leakage sensor for monitoring the interior of the object to be measured, a temperature sensor for monitoring the interior of the object to be measured, an acceleration sensor for monitoring the object to be measured, a vibration sensor for monitoring the surrounding environment of the object to be measured, and a temperature-humidity-pressure synthesis sensor for monitoring the surrounding environment of the object to be measured.
Preferably, the monitoring and inspection terminal 1 is realized by adopting a reinforced three-proofing handheld computer and is internally provided with a control adapter plate; the reinforced three-proofing handheld computer is used for man-machine interaction, and comprehensively analyzing, displaying and storing the acquisition result of the sensor; the built-in control adapter plate is used for carrying out power-on control, working mode control and communication control on the data acquisition box and the wireless transmission module in cooperation with the reinforced three-proofing handheld computer; the control adapter plate consists of a processor circuit, a power supply control circuit, an interface control circuit and a wireless communication circuit; the control adapter plate realizes control logic by a processor circuit and is communicated with the reinforced three-proofing handheld computer through a serial port; the power supply circuit boosts the power supply by adopting a power supply booster circuit, so that the power supply long-distance transmission requirement is met; the power supply control circuit is used for controlling and switching the power supply boosting circuit, and switching the power supply sources according to different working modes; the interface control circuit adopts an isolated RS-485 bus to perform wired communication with the data acquisition box 2, so that the requirement of long-distance signal transmission is met; the wireless communication circuit adopts a Lora module to carry out communication interaction with the wireless transmission module 3; the side of the monitoring inspection terminal 1 is provided with 3 monitoring inspection terminal connectors which are respectively used for supplying power to the adapter, connecting with the detection cable and connecting with the antenna.
Preferably, the data collection box 2 includes a data collection box housing 21, a data collection box housing cover 22, an environmental parameter probe, a data collection plate 24, an alarm indicator 25 and a data collection box connector 26, where the data collection box housing 21 and the data collection box housing cover 22 are buckled together to form a space for accommodating the data collection plate 24 and the environmental parameter probe; the environmental parameter probe comprises a temperature and humidity probe 231 and a pressure probe 232 or the temperature and humidity probe 231, the pressure probe 232 and other environmental parameter probes are fused together, so that a composite sensor probe integrating temperature, humidity, pressure and vibration is formed as the environmental parameter probe; the alarm indicator lamp 25 is arranged at the upper end of one side wall of the data acquisition box shell 21 and is used for carrying out data audible and visual alarm indication; the data acquisition box connectors 26 comprise three connectors which are respectively and uniformly arranged on the other side wall of the data acquisition box shell 21, wherein one connector is connected with the monitoring and inspection terminal 1 or the wireless transmission module 3, and the other two connectors are mutually backed up and are connected with the detection cable 51; a data acquisition box sealing ring 27 is arranged around the position where the data acquisition box shell 21 and the data acquisition box shell cover 22 are buckled, so that the interior of the data acquisition box 2 is blocked from the outside air; the connection part of the data acquisition box connector 26 and the data acquisition box shell 21 is sealed by a data acquisition box conductive sealing ring 28 to ensure electromagnetic shielding continuity; the data acquisition board 24 is used for acquiring various sensor information, and consists of a data acquisition board processor circuit, a data acquisition board acquisition circuit, a data acquisition board interface circuit, a data acquisition board power-on control circuit and a data acquisition board storage circuit; three data acquisition box connectors are designed on the side face of the data acquisition box, one data acquisition box connector is connected with the monitoring inspection terminal or the wireless transmission module 3, and the other two data acquisition box connectors are mutually backed up and connected with the detection cable; the inside of the data acquisition box is blocked from the outside air by a data acquisition box sealing ring 27 between the data acquisition box shell 21 and the data acquisition box shell cover 22; and each connector is connected with the shell and is sealed by a conductive sealing ring of the data acquisition box, so that the continuity of electromagnetic shielding is ensured.
Preferably, the wireless transmission module 3 is composed of a wireless transmission plate 30, a wireless transmission module housing 31, a wireless transmission module rear cover 32, a wireless transmission module battery 33, a wireless transmission module antenna 34, a wireless transmission module fixing plate 36 and a wireless transmission module connector 37, wherein the wireless transmission module housing 31 and the wireless transmission module rear cover 32 are buckled to form a space for accommodating the wireless transmission plate 30, the wireless transmission module battery 33 and the wireless transmission module fixing plate 36, and the buckled part isolates the interior from the air through a wireless transmission module sealing ring 38; the wireless transmission module antenna 34 is arranged on the antenna base 35; the wireless transmission module fixing plate 36 is used for fixing the wireless transmission module battery 33; the wireless transmission module battery 33 is used for supplying power to the data acquisition box 2 and supplying power to the sensor on the object to be detected through the data acquisition box 2; the wireless transmission module battery 33 has the functions of overcharge, overdischarge, overcurrent and short-circuit protection; the wireless transmission board 30 is used for wireless receiving and transmitting of information, and consists of a wireless transmission board wireless communication circuit, a wireless transmission board processor circuit, a wireless transmission board interface circuit, a wireless transmission board power supply conversion circuit and a wireless transmission board power-on control circuit; two wireless transmission module connectors are designed on the side face of the wireless transmission module 3, one wireless transmission module connector is connected with an antenna, and the other wireless transmission module connector is connected with the data acquisition box 2; a wireless transmission module sealing ring 38 is arranged between the wireless transmission module shell 31 and the wireless transmission module rear cover 32, and the wireless transmission module connector 37 and the wireless transmission module shell 31 are provided with wireless transmission module conductive sealing rings, so that the requirements of integral explosion suppression and electromagnetic shielding are met.
Preferably, the electrical junction box 4 is composed of an electrical junction box housing 41, an electrical junction box housing cover 42, an electrical junction box connector 43, an electrical junction box terminal block 44 and an electrical junction box sealing ring 45, wherein the electrical junction box housing 41 and the electrical junction box housing cover 42 are buckled to form a space for accommodating the electrical junction box terminal block 44, and the electrical junction box sealing ring 45 is arranged at the buckled position; the two side surfaces of the electric switching box 4 are provided with 3 electric switching box connectors 43 with the same specification, which are respectively used for the adaptive connection of the multi-equipment cascade connection in the case of 2-to-1; the inside of the box adopts a 2-in and 1-out connection mode, and leads of two groups of electric switching box connectors 43 are combined into a group of leads of the electric switching box connectors 43 through an electric switching box wiring terminal block 44; an electrical junction box sealing ring 45 is arranged between the electrical junction box shell 41 and the electrical junction box shell cover 42 for sealing, so that airtight explosion isolation is ensured. The electrical junction box connector 43 and the electrical junction box housing 41 are sealed by an electrical junction box conductive gasket.
Preferably, the acquisition cable is used for connecting a connector on an object to be detected with the data acquisition box, and the cable consists of 18 cores; the transfer cable is used for the transition connection of the data acquisition box and the transmission cable, or is used for the connection of the data acquisition box, the electric transfer box and the wireless transmission module, and the cable consists of 5 cores; the transmission cable is used for transitional connection between the structural cabins, and the cable consists of 5 cores; the detection cable is used for collecting connection of the box and the monitoring inspection terminal or connection of the transmission cable and the monitoring inspection terminal, and the cable is composed of 5 cores.
The second aspect of the present invention is to provide a method for monitoring and early warning of multiple environmental parameters, including:
s1, determining a use mode of monitoring and early warning of multiple environmental parameters according to a communication mode and an applicable working condition, wherein the use mode comprises a wired use mode, a wireless use mode and an off-line use mode, and the wired use mode comprises a wired inspection mode and a wired monitoring mode; the wireless use mode comprises a wireless inspection mode and a wireless monitoring mode; the off-line use mode comprises an off-line high-speed acquisition mode and an off-line monitoring acquisition mode;
s2, monitoring and early warning of the environmental parameters are carried out based on monitoring and inspection software, control switching software, data acquisition software and wireless transmission software, wherein the monitoring and inspection software is stored in a handheld computer of a monitoring and inspection terminal, the control switching software is stored in a control switching board of the monitoring and inspection terminal, the data acquisition software is stored in a data acquisition board of a data acquisition box, and the wireless transmission software is stored in a wireless transmission board of a wireless transmission module.
Preferably, the wired inspection mode is used for performing point-to-point short-time inquiry on the state of the object to be inspected, connecting the data acquisition box with a connector on the object to be inspected through an acquisition cable, and connecting the monitoring inspection terminal 1 with the data acquisition box 2 through a detection cable; the wired monitoring mode is used for performing point-to-point (or point-to-many) long-time monitoring on the state of the object to be detected, and when the point-to-point monitoring object to be detected is far away, the communication extension can be performed by using the cooperation of the switching cable and the transmission cable; when in point-to-multipoint monitoring, the data acquisition box is connected with a connector on an object to be monitored through an acquisition cable, the monitoring inspection terminal is connected with the electric switching box through a switching cable in a cascading manner, and the electric switching box is connected with the uppermost electric switching box through a detection cable to realize point-to-multipoint monitoring; when the distance is far, the communication extension can be carried out by using the cooperation of the transfer cable and the transmission cable.
Preferably, the wireless inspection mode is used for performing wireless point-to-point or point-to-many single inquiry on the state of the object to be inspected in the wireless signal coverage area, connecting the data acquisition box with a connector on the object to be inspected through an acquisition cable, adding a wireless transmission module to the data acquisition box, and reporting the acquisition information to the monitoring inspection terminal through a wireless communication mode; the wireless monitoring mode is used for carrying out wireless point-to-point or point-to-many long-time monitoring on the state of an object to be detected in the wireless signal coverage area.
Preferably, the off-line use mode is used for supplying power to the data acquisition box by using the wireless transmission module, and the data acquisition box stores the acquired sensor information; connecting the data acquisition box with a connector on the object to be detected through an acquisition cable, and additionally installing a wireless transmission module on the data acquisition box; and collecting the data stored by the data acquisition box in an offline use mode and collecting the data on the monitoring and inspection terminal for recording, displaying and analyzing through a historical data reading command in a wired inspection mode.
The measuring system provided by the invention has the following beneficial technical effects:
the environment parameters can be comprehensively measured by monitoring the environment parameters, the power supply, the electrical conversion and the communication module of the equipment are public, the volume of the environment monitoring equipment is effectively reduced, interference can be effectively isolated and eliminated in the parameter measurement process, the measured parameters are high in precision, and the environment monitoring equipment is suitable for development of follow-up application equipment such as high-precision aerospace equipment and control and adjustment based on parameters in military application scenes.
Drawings
FIG. 1 is a schematic diagram of a system for monitoring and pre-warning of environmental parameters according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of data acquisition and architecture shown in accordance with a preferred embodiment of the present invention;
FIG. 3 is a schematic view of a shielded and flameproof data acquisition box according to a preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of an environmental parameter probe configuration shown in accordance with a preferred embodiment of the present invention;
FIG. 5 is a schematic diagram of the principle components of a data acquisition board according to a preferred embodiment of the present invention;
fig. 6 is a schematic diagram showing a structure of a wireless transmission module according to a preferred embodiment of the present invention;
FIG. 7 is a schematic view of an electrical junction box according to a preferred embodiment of the present invention;
FIG. 8 is a functional diagram of a monitoring and inspection software system according to a preferred embodiment of the present invention;
FIG. 9 is a block diagram of a control transfer software flow diagram in accordance with a preferred embodiment of the present invention;
FIG. 10 is a block diagram of a data acquisition software flow diagram in accordance with a preferred embodiment of the present invention;
fig. 11 is a block diagram of a wireless transmission software flow according to a preferred embodiment of the present invention.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1, the present embodiment provides a monitoring and early warning system for multiple environmental parameters, including:
a monitoring inspection terminal 1, a plurality of data acquisition boxes 2, a wireless transmission module 3, an electrical switching box 4, a plurality of cables 5 and a sensor system 6,
wherein:
monitoring and inspection terminal 1
1. The monitoring and inspection terminal 1 is respectively connected with a plurality of data acquisition boxes 2, and is used for receiving the information of various sensors in the sensor system through a wired or wireless mode from the data acquisition boxes 2 and comprehensively analyzing, displaying and storing the acquisition results of the sensors; human-computer interaction is realized; the power supply control, the working mode control and the communication control are used for the data acquisition box 2; for operating mode control and communication control of the wireless transmission module 3; in this embodiment, the monitoring and inspection terminal 1 is implemented by using a reinforced three-proofing handheld computer, and may be customized developed based on a test requirement, for example, a built-in control adapter board;
2. in the embodiment, the reinforced three-proofing handheld computer is used for man-machine interaction, and comprehensively analyzing, displaying and storing the acquisition result of the sensor; adopting a CPU main frequency of 2.2 GHz; the working temperature is-20-55 ℃.
3. In this embodiment, the built-in control adapter board is used to cooperate with the reinforced three-proofing handheld computer to perform power-up control, working mode control and communication control on external equipment (including the data acquisition box 2 and the wireless transmission module 3). The control adapter plate consists of a processor circuit, a power supply control circuit, an interface control circuit and a wireless communication circuit; the control adapter plate realizes control logic by a processor circuit and is communicated with the reinforced three-proofing handheld computer through a serial port; the power supply circuit boosts the power supply by adopting a power supply booster circuit, so that the power supply long-distance transmission requirement is met; the power supply control circuit is used for controlling and switching the power supply boosting circuit, and switching the power supply sources according to different working modes; the interface control circuit adopts an isolated RS-485 bus to perform wired communication with the data acquisition box 2, so that the requirement of long-distance signal transmission is met; the wireless communication circuit adopts the Lora module to carry out communication interaction with the wireless transmission module 3.
4. And (3) electric design: the side of the monitoring and inspection terminal 1 is provided with 3 monitoring and inspection terminal connectors which are respectively used for supplying power to the adapter, connecting with the detection cable 51 and connecting with the antenna.
5. Structural design: the monitoring inspection terminal 1 uses a structural shell of a handheld computer, the whole machine uses an aluminum alloy integrally-formed shell, and the whole machine is designed in a totally-sealed fan-free manner, so that the environmental protection requirement is met; the internal installation reinforcing design and the external encapsulation buffering design meet the requirement of mechanical conditions; the back of the monitoring inspection terminal 1 is provided with a wrist strap, the side face of the monitoring inspection terminal is provided with a handle strap, and the man-machine effect during use is improved; the monitoring inspection terminal structure size is 261mm×205mm×44.5mm.
(II) data acquisition Box 2
1. As shown in fig. 2, the data collection boxes 2 are respectively connected with the object to be detected through the cables 5, and are used for collecting sensor information and surrounding environment information on the object to be detected and sending the sensor information and the surrounding environment information to the outside, and when the sensor information and the surrounding environment information can not be sent to the outside, the collected sensor information and the collected environment information are stored to supply power to various sensors forming the sensor system 6;
2. the data acquisition box 2 comprises a data acquisition box shell 21, a data acquisition box shell cover 22, an environment parameter probe, a data acquisition plate 24, an alarm indicator 25 and a data acquisition box connector 26, wherein the data acquisition box shell 21 and the data acquisition box shell cover 22 are buckled together to form a space for accommodating the data acquisition plate 24 and the environment parameter probe; the environmental parameter probe comprises a temperature and humidity probe 231 and a pressure probe 232, and the alarm indicator lamp 25 is arranged at the upper end of one side wall of the data acquisition box shell 21 and is used for carrying out data audible and visual alarm indication; the data acquisition box connectors 26 comprise three connectors which are respectively and uniformly arranged on the other side wall of the data acquisition box shell 21, wherein one connector is connected with the monitoring and inspection terminal 1 or the wireless transmission module 3, and the other two connectors are mutually backed up and are connected with the detection cable 51;
As shown in fig. 3, as a preferred embodiment, a data collection box sealing ring 27 is disposed around the position where the data collection box housing 21 and the data collection box housing cover 22 are buckled, so as to ensure that the interior of the data collection box 2 is blocked from the outside air; the data acquisition box 2 has IP 65-level waterproof property; the connection between the data collection box connector 26 and the data collection box housing 21 is sealed by a data collection box conductive sealing ring 28 to ensure electromagnetic shielding continuity.
3. The data acquisition box is arranged on the object to be measured parking frame and flows along with the object to be measured parking frame. The parking frame is provided with a detection cable storage connector (not shown in the figure), and when the monitoring and early warning system is not connected with an object to be monitored, one end of the detection cable 51 can be connected with the data acquisition box 2, and the other end of the detection cable 51 is connected with the detection cable storage connector.
4. Environmental parameter probe: in this embodiment, the temperature and humidity probe 231, the pressure probe 232 and other multi-environment parameter probes are fused together, so as to form a composite sensor probe integrating temperature, humidity, pressure and vibration as an environment parameter probe, thereby accurately measuring the parameter information of the environment where the object to be measured is located; the environmental parameter measurement indexes are as follows:
Temperature measurement range: -40 to +60 ℃;
temperature measurement accuracy: (+ -1 ℃;
humidity measurement range: 10% RH to 90% RH;
humidity measurement accuracy: 8% RH;
pressure measurement range: 60kpa to 150kpa; (absolute pressure);
pressure measurement accuracy: 1kpa;
impact measurement range: 24g;
impact measurement accuracy: 0.5g.
As shown in fig. 4, in order to more accurately measure the environmental information of the parking area, the environmental parameter probe on the data acquisition box 2 is designed to extend out and is provided with a rainproof and dustproof cover.
5. Data acquisition board 24: as shown in fig. 5, the data acquisition board 24 is used for acquiring various sensor information, and is composed of a data acquisition board processor circuit, a data acquisition board acquisition circuit, a data acquisition board interface circuit, a data acquisition board power-on control circuit and a data acquisition board storage circuit; the data acquisition board 24 implements the overall control logic, including power-up time, signal acquisition, external communication and data storage, through the data acquisition board processor circuitry; the data acquisition board power supply circuit is used for converting external power supply to meet the power supply use requirement of the sensor; the data acquisition board power-on control circuit reduces the power consumption of the equipment by controlling the power-on of each functional circuit; the data acquisition board acquisition circuit acquires square wave signals, current signals and voltage signals of an external sensor; the data acquisition board interface circuit acquires sensor information through a CAN bus and an I2C bus and interacts with the monitoring and inspection terminal 1 through an RS-485 bus; the data acquisition board storage circuit stores various acquired information.
6. And (3) electric design: three data acquisition box connectors are designed on the side face of the data acquisition box, one data acquisition box connector is connected with the monitoring and inspection terminal 1 (or the wireless transmission module 3), and the other two data acquisition box connectors are mutually backed up and connected with the detection cable 51.
7. Structural appearance: the external outline size of the data acquisition box structure is 150mm multiplied by 186.5mm multiplied by 48mm; the data acquisition box structure adopts a sealing explosion-proof design, the inside and outside air of the data acquisition box are blocked by a data acquisition box sealing ring 27 between a data acquisition box shell 21 and a data acquisition box shell cover 22, and the data acquisition box 2 has IP 65-level waterproof property; and each connector is connected with the shell and is sealed by a conductive sealing ring of the data acquisition box, so that the continuity of electromagnetic shielding is ensured.
(III) Wireless Transmission Module 3
1. As shown in fig. 6, the wireless transmission module 3 is configured to send the information of the sensor and the environmental information obtained by the data acquisition box 2 to the outside in a wireless manner, and supply power to the data acquisition box 2; the wireless transmission module 3 is matched with the data acquisition box 2 for use under the wireless working mode of the monitoring and early warning system and is directly fixedly connected with the data acquisition box 2, the wireless transmission module 3 consists of a wireless transmission plate 30, a wireless transmission module shell 31, a wireless transmission module rear cover 32, a wireless transmission module battery 33, a wireless transmission module antenna 34, a wireless transmission module fixing plate 36 and a wireless transmission module connector 37, wherein the wireless transmission module shell 31 and the wireless transmission module rear cover 32 are buckled to form a space for accommodating the wireless transmission plate 30, the wireless transmission module battery 33 and the wireless transmission module fixing plate 36, and the buckled part is isolated from the inside and air through a wireless transmission module sealing ring 38; the wireless transmission module antenna 34 is arranged on the antenna base 35; the wireless transmission module fixing plate 36 is used for fixing the wireless transmission module battery 33; the wireless transmission module battery 33 is used for supplying power to the data acquisition box 2 and supplying power to the sensor on the object to be detected through the data acquisition box 2; the wireless transmission module battery 33 has the functions of overcharge, overdischarge, overcurrent and short-circuit protection, wherein the charging voltage is 16.8V, the maximum continuous charging current is 6A, the maximum continuous discharging current is 6A, the static current (self-consumption) is less than or equal to 35uA, the internal resistance is less than or equal to 30mΩ, the working temperature is-40-70 ℃, and the storage temperature is-40-70 ℃.
2. The wireless transmission board 30 is used for wireless receiving and transmitting of information, the communication frequency band is 915MHz, and the wireless transmission board comprises a wireless transmission board wireless communication circuit, a wireless transmission board processor circuit, a wireless transmission board interface circuit, a wireless transmission board power supply conversion circuit and a wireless transmission board power-on control circuit, wherein the wireless transmission board 30 realizes the whole control logic by the wireless transmission board processor circuit, and comprises power-on time and external communication; the wireless transmission board power supply conversion circuit converts battery power supply, meets the power supply use requirement, and performs battery charging management; the wireless transmission board power-on control circuit reduces the power consumption of the equipment by controlling the power-on of each functional circuit; the wireless transmission board interface circuit interacts with the data acquisition box through an RS-485 bus; the wireless communication circuit of the wireless transmission board adopts a Lora module to carry out communication interaction with the monitoring and inspection terminal 1.
3. And (3) electric design: the side of the wireless transmission module 3 is designed with two wireless transmission module connectors, one of which is connected with an antenna, and the other is connected with the data acquisition box 2.
4. Structural design: the outline size of the wireless transmission module structure is 150mm multiplied by 162mm multiplied by 90mm; the wireless transmission module is of a three-prevention design, and is integrally sealed, waterproof and dustproof. The surface treatment is an aluminum alloy anode hard oxidation process, can meet corrosion resistance and has certain surface hardness. The whole structure is designed into a back-span type mounting structure for better matching with the data acquisition box 2 for mounting. The module is internally provided with a special explosion-proof battery, a wireless transmission module sealing ring 38 is arranged between the wireless transmission module shell 31 and the wireless transmission module rear cover 32, and a wireless transmission module connector 37 and the wireless transmission module shell 31 are provided with wireless transmission module conductive sealing rings, so that the module meets the requirements of integral explosion isolation and electromagnetic shielding.
(IV) Electrical junction Box 4
1. As shown in fig. 7, the electrical adapter box 4 is bridged between the data acquisition box 2 and the monitoring and inspection terminal 1, and is used for cascade long-distance transmission of the data acquisition box 2;
the electric switching box comprises an electric switching box shell 41, an electric switching box shell cover 42, an electric switching box connector 43, an electric switching box wiring terminal row 44 and an electric switching box sealing ring 45, wherein the electric switching box shell 41 and the electric switching box shell cover 42 are buckled to form a space for accommodating the electric switching box wiring terminal row 44, and the electric switching box sealing ring 45 is arranged at the buckled position.
2. And (3) electric design: the two side surfaces of the electric switching box 4 are provided with 3 electric switching box connectors 43 with the same specification, which are respectively used for the adaptive connection of the multi-equipment cascade connection in the case of 2-to-1; the inside of the box adopts a 2-in and 1-out connection mode, and leads of two groups of electric switching box connectors 43 are combined into a group of leads of the electric switching box connectors 43 through the electric switching box wiring terminal block 44.
3. Structural design: the external outline dimensions of the structure of the electrical appliance adapter 4 are 150mm×160mm×48mm. The electric switching box 4 is of a three-prevention design, and is integrally sealed, waterproof and dustproof. The surface treatment is an aluminum alloy anode hard oxidation process, so that the corrosion resistance requirement can be met, and meanwhile, the aluminum alloy anode hard oxidation process has certain surface hardness; the upper cover is fastened by 4M 4 outer hexagon bolts, and an electric switching box sealing ring 45 is arranged between the electric switching box shell 41 and the electric switching box shell cover 42 for sealing, so that airtight explosion isolation is ensured. The electrical junction box connector 43 and the electrical junction box housing 41 are sealed by an electrical junction box conductive gasket.
(fifth) Cable 5
1. The plurality of cables 5 include a detection cable 51, a transit cable 52, a transmission cable 53, and a collection cable; the detection cable 51 is used for connecting the data acquisition box 2 with the monitoring and inspection terminal 1; or for connection of said transmission cable 53 to said monitoring and inspection terminal 1; the transfer cable 52 is used for transitional connection between the data acquisition box 2 and the transmission cable 53; or for connection of the data acquisition box 2 with the electrical junction box 4, wireless transmission module 3; the transmission cable 53 is used for transitional connection between the internal structure and the surface structure of the object to be measured and various sensors in the sensor system; the acquisition cable is used for connecting the connector on the object to be detected with the data acquisition box;
2. the acquisition cable is used for connecting the connector on the object to be detected with the data acquisition box, and the cable consists of 18 cores;
3. the transfer cable is used for the transition connection of the data acquisition box and the transmission cable, and can also be used for the connection of the data acquisition box, the electric transfer box and the wireless transmission module, and the cable consists of 5 cores;
4. the transmission cable is used for transitional connection between the structural cabins, and consists of 5 cores;
5. The detection cable is used for collecting the connection of box and control inspection terminal, also can be used for transmission cable and control inspection terminal's connection, and the cable comprises 5 cores.
The sensor system 6 is disposed in the object to be measured or on the surface of the object to be measured, and includes a temperature-humidity-pressure synthesis sensor for monitoring the interior of the object to be measured, a leakage sensor for monitoring the interior of the object to be measured, a temperature sensor for monitoring the interior of the object to be measured, an acceleration sensor for monitoring the object to be measured, a vibration sensor for monitoring the surrounding environment of the object to be measured, and a temperature-humidity-pressure synthesis sensor for monitoring the surrounding environment of the object to be measured.
The second aspect of the present invention is to provide a method for monitoring and early warning of multiple environmental parameters, including:
s1, determining a use mode of monitoring and early warning of multiple environmental parameters according to a communication mode and an applicable working condition, wherein the use mode comprises a wired use mode, a wireless use mode and an off-line use mode, and the wired use mode comprises a wired inspection mode and a wired monitoring mode; the wireless use mode comprises a wireless inspection mode and a wireless monitoring mode; the off-line use mode comprises an off-line high-speed acquisition mode and an off-line monitoring acquisition mode;
the wired inspection mode is used for inquiring the state of an object to be detected in a point-to-point short time, the data acquisition box is connected with a connector on the object to be detected through the acquisition cable, the monitoring inspection terminal 1 is connected with the data acquisition box 2 through the detection cable, in the wired inspection mode, the equipment uses the monitoring inspection terminal battery to supply power, and in consideration of the electricity saving factor, the mode can be finished by personnel operation or can be automatically finished after 3 minutes of working; reporting the sensor data in the information updating interval at the first time if the sensor data are collected abnormally;
The wired monitoring mode is used for performing point-to-point (or point-to-many) long-time monitoring on the state of the object to be detected, and when the point-to-point monitoring object to be detected is far away, the communication extension can be performed by using the cooperation of the switching cable and the transmission cable; when in point-to-multipoint monitoring, the data acquisition box is connected with a connector on an object to be monitored through an acquisition cable, the monitoring inspection terminal is connected with the electric switching box through a switching cable in a cascading manner, and the electric switching box is connected with the uppermost electric switching box through a detection cable to realize point-to-multipoint monitoring; when the distance is far, the communication extension can be carried out by using the cooperation of the transfer cable and the transmission cable; in a wired monitoring mode, the monitoring inspection terminal uses external power supply, so that 7×24 hours of monitoring can be realized; when the point-to-multi monitoring is performed, the monitoring inspection terminal needs to be firstly networked (completed within 2 minutes) after power is applied, and then enters a monitoring state; reporting the sensor data in the information updating interval at the first time if the sensor data are collected abnormally;
the wireless inspection mode is used for carrying out wireless point-to-point (or point-to-many) single inquiry on the state of an object to be inspected in a wireless signal coverage area, connecting a data acquisition box with a connector on the object to be inspected through an acquisition cable, adding a wireless transmission module to the data acquisition box, and reporting acquisition information to a monitoring inspection terminal in a wireless communication mode; in the wireless inspection mode, a wireless transmission module is used for supplying power to the data acquisition box, and the monitoring inspection terminal is powered by a battery; before the equipment works, the equipment needs to wake up a wireless communication module in a wireless signal coverage area, then performs wireless network networking, and can start inspection, wherein the whole process does not exceed 3 minutes; reporting the sensor data in the information updating interval at the first time if the sensor data are collected abnormally; when the wireless communication module works, the inspection frequency is not less than 100 times;
The wireless monitoring mode is used for carrying out wireless point-to-point (or point-to-many) long-time monitoring on the state of an object to be detected in the wireless signal coverage area; in the wireless inspection mode, the wireless transmission module is used for supplying power to the data acquisition box, and the monitoring inspection terminal is externally powered, so that 7X 24 hours of monitoring can be realized; before the equipment works, the equipment needs to wake up a wireless communication module in a wireless signal coverage area, then performs wireless network networking, and can start inspection, wherein the whole process does not exceed 3 minutes; reporting the sensor data in the information updating interval at the first time if the sensor data are collected abnormally; the working time of the wireless communication module is not less than 15 days.
The off-line use mode is used for supplying power to the data acquisition box by using the wireless transmission module, and the data acquisition box stores acquired sensor information. Connecting the data acquisition box with a connector on the object to be detected through an acquisition cable, and additionally installing a wireless transmission module on the data acquisition box; the data stored by the data acquisition box in the off-line use mode can be collected to the monitoring and inspection terminal for recording, displaying and analyzing through a special historical data reading command in the wired inspection mode;
In the off-line high-speed acquisition mode, if the vibration sensor on the acquisition box senses abnormal vibration in the information storage interval, the system is immediately awakened to continuously acquire the information under the condition of the abnormal vibration at a high speed for 30s until the abnormal vibration is over, and the leakage sensor index is detected; storing data for not less than 24 hours; the working time of the wireless communication module is not less than 24 hours;
in the off-line monitoring acquisition mode, if the vibration sensor on the acquisition box senses abnormal vibration in the information storage interval, the system is immediately awakened to continuously acquire the information under the condition of the abnormal vibration at a high speed for 30s until the abnormal vibration is over, and the leakage sensor index is detected; storing the data for no less than 15 days; the working time of the wireless communication module is not less than 15 days.
As a preferred embodiment, the applicable working conditions include:
(1) The wired inspection mode is suitable for temporary spot inspection of the object to be inspected in a scene that personnel can contact;
(2) The wired monitoring mode is suitable for long-term periodic monitoring and information recording of objects to be detected in a fixed place where the cable can be laid;
(3) The wireless inspection mode is suitable for temporary spot check and spot check of the object to be detected under the scene that personnel cannot touch;
(4) The wireless monitoring mode is suitable for monitoring and information recording of objects to be detected in a fixed place and periodically for a long time without laying a cable;
(5) The off-line high-speed acquisition mode is suitable for the situations that cables cannot be laid and radio cannot be used, and is used for temporarily monitoring the situation experienced by an object to be detected, in particular for monitoring the abnormal vibration situation experienced;
(6) The off-line monitoring acquisition mode is suitable for the situations that cables cannot be laid and radio cannot be used, and is used for monitoring the conditions experienced by the object to be detected in a period of time, and particularly monitoring the abnormal vibration conditions experienced.
S2, monitoring and early warning of the environmental parameters are carried out based on monitoring and inspection software, control switching software, data acquisition software and wireless transmission software, wherein the monitoring and inspection software is stored in a handheld computer of a monitoring and inspection terminal, the control switching software is stored in a control switching board of the monitoring and inspection terminal, the data acquisition software is stored in a data acquisition board of a data acquisition box, and the wireless transmission software is stored in a wireless transmission board of a wireless transmission module.
As shown in fig. 8, the monitoring and inspection software system is used in cooperation with a monitoring and inspection terminal, and mainly has the functions of collecting various sensor information obtained by the data acquisition box, processing, displaying, storing and statistically analyzing the information, alarming for detecting abnormal conditions and the like. The monitoring and inspection software consists of a terminal data docking module, a mode switching module, a data display module, a data statistics module, a data storage module, a data screen projection module, a data export module, an alarm processing module, a system setting module and the like.
The data docking module is used for carrying out information interaction with the acquisition box, analyzing the information reported by the acquisition box, delivering the information to the data display or data storage module for data processing, and issuing an instruction to the acquisition box; the data display module is used for displaying the data transmitted by the data docking module; the data storage module is used for storing the data transmitted by the data docking module; the data statistics module is used for displaying all data of the acquisition box according to classification by using a chart; the data export module is used for exporting the data of the acquisition box in a certain way, such as exporting to excel; the data screen projection module is used for projecting real-time data of the acquisition box to the screen, so that the display is convenient; the alarm processing module is used for processing alarm information of the acquisition box; the system setting module comprises the functions of mode switching, threshold setting, power management, acquisition box system restarting and the like.
And secondly, as shown in a flow chart of the control transfer software in fig. 9, the control transfer software works in cooperation with a control transfer board in the monitoring and inspection terminal and is used for translating data sent by the data acquisition box in a RS-485 or Lora wireless mode and the like into signals identified by the monitoring and inspection software and realizing power supply control on the acquisition box end in cooperation with the monitoring and inspection software.
And thirdly, as shown in a flow chart of the data acquisition software in fig. 10, the data acquisition software is used together with a data acquisition box, and is mainly used for acquiring various sensor information on an object to be detected, monitoring surrounding environment parameters and sending detection results to the outside.
And fourth, as shown in fig. 11, the wireless transmission software is used in cooperation with the wireless transmission module, and mainly transmits various sensor information obtained by the data acquisition box wirelessly.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. A monitoring and early warning system for multiple environmental parameters, comprising:
The system comprises a monitoring inspection terminal (1), a plurality of data acquisition boxes (2), a wireless transmission module (3), an electrical switching box (4), a plurality of cables (5) and a sensor system (6);
the monitoring and inspection terminal (1) is respectively connected with a plurality of data acquisition boxes (2) and is used for receiving the data acquisition boxes (2) in a wired or wireless mode to obtain information of various sensors in the sensor system and comprehensively analyzing, displaying and storing the acquisition results of the sensors; human-computer interaction is realized; the control device is used for controlling power supply, working mode and communication of the data acquisition box (2); the wireless transmission module (3) is used for controlling the working mode and communication of the wireless transmission module;
the data acquisition box (2) is connected with an object to be detected through the cable (5) respectively, is used for acquiring sensor information and surrounding environment information on the object to be detected and sending the sensor information and the surrounding environment information to the outside, and stores the acquired sensor information and the acquired environment information to supply power to various sensors forming the sensor system (6) when the external sending is impossible;
the wireless transmission module (3) is used for sending the information of the sensor and the environmental information obtained by the data acquisition box (2) to the outside in a wireless mode and supplying power to the data acquisition box (2); the wireless transmission module (3) is matched with the data acquisition box (2) for use when the monitoring and early warning system is in a wireless working mode, and is directly and fixedly connected with the data acquisition box (2);
The electric switching box (4) is bridged between the data acquisition box (2) and the monitoring and inspection terminal (1) and is used for cascade long-distance transmission of the data acquisition box (2);
the plurality of cables (5) comprise a detection cable (51), a transfer cable (52), a transmission cable (53) and a collection cable; the detection cable (51) is used for connecting the data acquisition box (2) with the monitoring and inspection terminal (1); or for connection of the transmission cable (53) to the monitoring and inspection terminal (1); the transfer cable (52) is used for transitional connection of the data acquisition box (2) and the transmission cable (53); or the connection between the data acquisition box (2) and the electrical transfer box (4) and the wireless transmission module (3); the transmission cable (53) is used for the transition connection between the internal structure and the surface structure of the object to be detected and various sensors in the sensor system; the acquisition cable is used for connecting the connector on the object to be detected with the data acquisition box;
the sensor system (6) is arranged in or on the surface of the object to be detected and comprises a temperature-humidity-pressure synthesis sensor for monitoring the interior of the object to be detected, a leakage sensor for monitoring the interior of the object to be detected, a temperature sensor for monitoring the interior of the object to be detected, an acceleration sensor for monitoring the environment around the object to be detected, a vibration sensor for monitoring the environment around the object to be detected and a temperature-humidity-pressure synthesis sensor for monitoring the environment around the object to be detected;
The monitoring inspection terminal (1) is realized by adopting a reinforced three-proofing handheld computer, and is internally provided with a control adapter plate; the reinforced three-proofing handheld computer is used for man-machine interaction, and comprehensively analyzing, displaying and storing the acquisition result of the sensor; the built-in control adapter plate is used for carrying out power-on control, working mode control and communication control on the data acquisition box and the wireless transmission module in cooperation with the reinforced three-proofing handheld computer; the control adapter plate consists of a processor circuit, a power supply control circuit, an interface control circuit and a wireless communication circuit; the control adapter plate realizes control logic by a processor circuit and is communicated with the reinforced three-proofing handheld computer through a serial port; the power supply circuit boosts the power supply by adopting a power supply booster circuit, so that the power supply long-distance transmission requirement is met; the power supply control circuit is used for controlling and switching the power supply boosting circuit, and switching the power supply sources according to different working modes; the interface control circuit adopts an isolated RS-485 bus to perform wired communication with the data acquisition box, so that the requirement of long-distance signal transmission is met; the wireless communication circuit adopts a Lora module to carry out communication interaction with the wireless transmission module; 3 monitoring inspection terminal connectors are arranged on the side face of the monitoring inspection terminal (1) and are respectively used for supplying power to the adapter, connecting with the detection cable and connecting with the antenna;
The data acquisition box (2) comprises a data acquisition box shell (21), a data acquisition box shell cover (22), an environment parameter probe, a data acquisition plate (24), an alarm indicator lamp (25) and a data acquisition box connector (26), wherein the data acquisition box shell (21) and the data acquisition box shell cover (22) are buckled together to form a space for accommodating the data acquisition plate (24) and the environment parameter probe; the environment parameter probe comprises a temperature and humidity probe (231) and a pressure probe (232) or the temperature and humidity probe (231) and the pressure probe (232) are fused with other environment parameter probes, so that a temperature, humidity, pressure and vibration integrated composite sensor probe is formed as the environment parameter probe; the alarm indicator lamp (25) is arranged at the upper end of one side wall of the data acquisition box shell (21) and is used for carrying out data audible and visual alarm indication; the data acquisition box connectors (26) comprise three connectors which are respectively and uniformly arranged on the other side wall of the data acquisition box shell (21), wherein one connector is connected with the monitoring and inspection terminal (1) or the wireless transmission module (3), and the other two connectors are mutually backed up and are connected with the detection cable (51); a data acquisition box sealing ring (27) is arranged around the buckled position of the data acquisition box shell (21) and the data acquisition box shell cover (22), so that the inside of the data acquisition box (2) is blocked from the outside air; the connection part of the data acquisition box connector (26) and the data acquisition box shell (21) is sealed by a data acquisition box conductive sealing ring (28) to ensure electromagnetic shielding continuity; the data acquisition board (24) is used for acquiring various sensor information and consists of a data acquisition board processor circuit, a data acquisition board acquisition circuit, a data acquisition board interface circuit, a data acquisition board power supply circuit, a data acquisition board power-on control circuit and a data acquisition board storage circuit; three data acquisition box connectors are designed on the side face of the data acquisition box, one data acquisition box connector is connected with a monitoring inspection terminal or a wireless transmission module (3), and the other two data acquisition box connectors are mutually backed up and connected with a detection cable; the inside of the data acquisition box is blocked from the outside air by a data acquisition box sealing ring (27) between a data acquisition box shell (21) and a data acquisition box shell cover (22); each connector is connected with the shell and is sealed by a conductive sealing ring of the data acquisition box, so that the continuity of electromagnetic shielding is ensured;
The wireless transmission module (3) is composed of a wireless transmission plate (30), a wireless transmission module shell (31), a wireless transmission module rear cover (32), a wireless transmission module battery (33), a wireless transmission module antenna (34), a wireless transmission module fixing plate (36) and a wireless transmission module connector (37), wherein the wireless transmission module shell (31) and the wireless transmission module rear cover (32) are buckled to form a space for accommodating the wireless transmission plate (30), the wireless transmission module battery (33) and the wireless transmission module fixing plate (36), and the buckling part is isolated from the inside and air through a wireless transmission module sealing ring (38); the wireless transmission module antenna (34) is arranged on the antenna base (35); the wireless transmission module fixing plate (36) is used for fixing the wireless transmission module battery (33); the wireless transmission module battery (33) is used for supplying power to the data acquisition box (2) and supplying power to the sensor on the object to be detected through the data acquisition box (2); the wireless transmission module battery (33) has the functions of overcharge, overdischarge, overcurrent and short-circuit protection; the wireless transmission board (30) is used for wireless receiving and transmitting of information and consists of a wireless transmission board wireless communication circuit, a wireless transmission board processor circuit, a wireless transmission board interface circuit, a wireless transmission board power supply conversion circuit and a wireless transmission board power-on control circuit; two wireless transmission module connectors are designed on the side face of the wireless transmission module (3), one wireless transmission module connector is connected with an antenna, and the other wireless transmission module connector is connected with the data acquisition box (2); a wireless transmission module sealing ring (38) is arranged between the wireless transmission module shell (31) and the wireless transmission module rear cover (32), and a wireless transmission module connector (37) and the wireless transmission module shell (31) are provided with wireless transmission module conductive sealing rings, so that the requirements of integral explosion suppression and electromagnetic shielding are met;
The electric switching box (4) consists of an electric switching box shell (41), an electric switching box shell cover (42), an electric switching box connector (43), an electric switching box wiring terminal row (44) and an electric switching box sealing ring (45), wherein the electric switching box shell (41) and the electric switching box shell cover (42) are buckled to form a space for accommodating the electric switching box wiring terminal row (44), and the electric switching box sealing ring (45) is arranged at the buckled position; the two side surfaces of the electric switching box (4) are provided with 3 electric switching box connectors (43) with the same specification, the electric switching box connectors are respectively used for the adaptive connection of the multi-equipment cascading condition 2 to 1, the inside of the box adopts a 2-in and 1-out connection mode, and the leads of the two groups of electric switching box connectors (43) are combined into leads of one group of electric switching box connectors (43) through the electric switching box connecting terminal blocks (44); an electrical switching box sealing ring (45) is arranged between the electrical switching box shell (41) and the electrical switching box shell cover (42) for sealing, so that airtight and explosion isolation are ensured; the electrical junction box connector (43) and the electrical junction box housing (41) are sealed by an electrical junction box conductive gasket;
the acquisition cable is used for connecting a connector on an object to be detected with the data acquisition box, and the cable consists of 18 cores; the transfer cable is used for the transition connection of the data acquisition box and the transmission cable, or is used for the connection of the data acquisition box, the electric transfer box and the wireless transmission module, and the cable consists of 5 cores; the transmission cable is used for transitional connection between the structural cabins, and the cable consists of 5 cores; the detection cable is used for collecting connection of the box and the monitoring inspection terminal or connection of the transmission cable and the monitoring inspection terminal, and the cable is composed of 5 cores.
2. The method for monitoring and early warning of the environmental parameters based on the system implementation of claim 1, is characterized by comprising the following steps:
s1, determining a use mode of monitoring and early warning of multiple environmental parameters according to a communication mode and an applicable working condition, wherein the use mode comprises a wired use mode, a wireless use mode and an off-line use mode, and the wired use mode comprises a wired inspection mode and a wired monitoring mode; the wireless use mode comprises a wireless inspection mode and a wireless monitoring mode; the off-line use mode comprises an off-line high-speed acquisition mode and an off-line monitoring acquisition mode;
s2, monitoring and early warning of the environmental parameters are carried out based on monitoring and inspection software, control switching software, data acquisition software and wireless transmission software, wherein the monitoring and inspection software is stored in a handheld computer of a monitoring and inspection terminal, the control switching software is stored in a control switching board of the monitoring and inspection terminal, the data acquisition software is stored in a data acquisition board of a data acquisition box, and the wireless transmission software is stored in a wireless transmission board of a wireless transmission module.
3. The method for monitoring and early warning of the multiple environment parameters according to claim 2, wherein the wired inspection mode is used for inquiring the state of an object to be detected in a point-to-point short time, the data acquisition box is connected with a connector on the object to be detected through an acquisition cable, and the monitoring inspection terminal (1) is connected with the data acquisition box (2) through a detection cable; the wired monitoring mode is used for monitoring the state of an object to be detected in a point-to-point or point-to-point manner for a long time, and when the object to be detected is monitored in a point-to-point manner to be far away from the object to be detected, the communication is prolonged by using the cooperation of the switching cable and the transmission cable; when in point-to-multipoint monitoring, the data acquisition box is connected with a connector on an object to be monitored through an acquisition cable, the monitoring inspection terminal is connected with the electric switching box through a switching cable in a cascading manner, and the electric switching box is connected with the uppermost electric switching box through a detection cable to realize point-to-multipoint monitoring; when the distance is far, the communication is prolonged by using the cooperation of the transfer cable and the transmission cable.
4. The method for monitoring and early warning of the environmental parameters according to claim 2, wherein the wireless inspection mode is used for carrying out wireless point-to-point or point-to-many single inquiry on the state of the object to be detected in the wireless signal coverage area, connecting the data acquisition box with the connector on the object to be detected through the acquisition cable, adding a wireless transmission module to the data acquisition box, and reporting the acquisition information to the monitoring inspection terminal through a wireless communication mode; the wireless monitoring mode is used for carrying out wireless point-to-point or point-to-many long-time monitoring on the state of an object to be detected in the wireless signal coverage area.
5. The method for monitoring and early warning of the environmental parameters according to claim 2, wherein the offline use mode is used for supplying power to a data acquisition box by using a wireless transmission module, and the data acquisition box stores acquired sensor information; connecting the data acquisition box with a connector on the object to be detected through an acquisition cable, and additionally installing a wireless transmission module on the data acquisition box; and collecting the data stored by the data acquisition box in an offline use mode and collecting the data on the monitoring and inspection terminal for recording, displaying and analyzing through a historical data reading command in a wired inspection mode.
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| CN201307023Y (en) * | 2008-09-17 | 2009-09-09 | 珠海赛迪生电气设备有限公司 | High-frequency wireless environmental parameter online monitoring and early-warning system |
| CN106017560A (en) * | 2016-06-14 | 2016-10-12 | 上海君世电气科技有限公司 | Cable well state comprehensive monitoring and early warning system |
| CN106840258A (en) * | 2017-01-23 | 2017-06-13 | 国网山东省电力公司电力科学研究院 | The full state electromagnetic environment monitoring system of wide area and method based on multi-parameter synergic monitoring |
| RU180856U1 (en) * | 2017-02-14 | 2018-06-28 | Открытое акционерное общество "Авангард" | Automated information device for remote monitoring of hazardous objects |
| CN114111888A (en) * | 2021-11-01 | 2022-03-01 | 北京宇航系统工程研究所 | Intelligent environment monitoring system of no cable low-power consumption |
| CN114509112A (en) * | 2022-02-15 | 2022-05-17 | 陕西理工大学 | Wireless bridge health remote multi-parameter monitoring system |
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