CN111022473A - Bolt, intelligent detection system based on optical communication and detection method - Google Patents
Bolt, intelligent detection system based on optical communication and detection method Download PDFInfo
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- CN111022473A CN111022473A CN201911087657.5A CN201911087657A CN111022473A CN 111022473 A CN111022473 A CN 111022473A CN 201911087657 A CN201911087657 A CN 201911087657A CN 111022473 A CN111022473 A CN 111022473A
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- bolt
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- 230000003287 optical effect Effects 0.000 title claims abstract description 153
- 230000006854 communication Effects 0.000 title claims abstract description 71
- 238000004891 communication Methods 0.000 title claims abstract description 70
- 238000001514 detection method Methods 0.000 title claims abstract description 37
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000003321 amplification Effects 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
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- 238000000034 method Methods 0.000 claims description 6
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- 230000005540 biological transmission Effects 0.000 description 8
- 230000032683 aging Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
Abstract
The invention relates to an intelligent detection system based on optical communication, belonging to the detection field, comprising a bolt, an optical communication transmitting unit arranged in the bolt, equipment with a closed space and an optical communication receiving unit arranged outside the equipment with the closed space; the bolt is connected with the equipment with the closed space through a fixing piece. The optical communication receiving unit receives the internal information of the equipment with the closed space, so that the internal environment of the equipment with the closed space is absolutely isolated from the external environment without any wire connection, the problem that the information cannot be transmitted because of being shielded is avoided, and the purpose of monitoring the internal information of the equipment with the closed space is achieved.
Description
Technical Field
The invention relates to the field of detection, in particular to a bolt, an intelligent detection system based on optical communication and a detection method.
Background
The bolt is widely applied in production and life. For some specific occasions, specific bolts are required to be made according to different scene requirements, the general bolt improvement layers are divided into two categories, one category is to improve the bolt function from the space structure of the bolts, and the other category is to add a specific intelligent function to the bolts, so that the carrier of the bolts is used for detecting specific environment factors.
One of the common electronic bolts is to utilize a wire to perform information interaction between the internal environment and the external environment of the bolt, and in the long-term use process, the aging of the wire can be accelerated due to the difference between the internal environment and the external environment; furthermore, maintenance is complicated by the interconnection of the internal and external circuits via wires. Another electronic bolt takes the above problems into consideration, and utilizes a wireless node to transmit internal information, but because the electronic bolt is installed in a closed metal space, the information of the wireless node is shielded, and thus the application area of the electronic bolt is greatly reduced. Therefore, the electronic bolt of the prior art has a problem that information is shielded.
Therefore, effective solutions to solve the above problems need to be proposed.
Disclosure of Invention
In order to overcome the defects of the prior art, the indoor automatic dust removal spraying device for the green building construction solves the problem that information existing in an electronic bolt is shielded in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a bolt, which comprises a nut in the shape of a cylinder and a bolt main body, wherein a cavity is formed in the bolt main body and is fixedly connected with the nut;
a groove is recessed in the top surface of the nut, which is far away from the bolt main body, and a through hole communicated with the cavity is formed in the center of the groove;
and the through hole is filled with a transparent acrylic plate.
Preferably, the bolt body is cylindrical in shape;
the outer peripheral surface of the bolt main body is provided with an external thread;
the diameter of the groove is larger than that of the through hole;
the diameter of the through hole is equal to the diameter of the chamber.
Preferably, a protection frame arranged along the height direction of the cavity and reinforcing ribs arranged in parallel with the protection frame at intervals are fixed in the cavity.
The invention also provides an intelligent detection system based on optical communication, which comprises the bolt, an optical communication transmitting unit arranged in the bolt, equipment with a closed space and an optical communication receiving unit arranged outside the equipment with the closed space;
the bolt is connected with the equipment with the closed space through a fixing piece.
Preferably, the optical communication transmitting unit includes an optical transmitting circuit module fixedly installed below the transparent acrylic plate;
the optical communication receiving unit comprises an optical receiving circuit module fixedly arranged above the transparent acrylic plate;
the light receiving circuit module is positioned outside the equipment with the closed space;
the optical communication transmitting unit further comprises a first controller;
the first controller performs numerical filtering and weighting processing on the received internal information of the equipment with the closed space to convert the internal information into an optical signal and sends the optical signal to the optical transmitting circuit module;
and the light emitting circuit module sends the received optical signal to the light receiving circuit module.
Preferably, the optical communication receiving unit further includes a second controller and an operational amplifier circuit module connected to the second controller;
the operational amplification circuit module is used for amplifying the optical signal sent by the optical receiving circuit module to obtain an amplified optical signal;
the second controller receives and stores the amplified optical signal.
Preferably, the device further comprises a first sensor for detecting internal information of the device with the closed space, wherein the internal information comprises pressure and temperature information inside the device with the closed space;
the first sensor is fixedly arranged in the cavity;
the first sensor is plugged with the first controller.
Preferably, the system further comprises a second sensor which is used for detecting external information of the equipment with the closed space and is fixedly arranged outside the equipment with the closed space, wherein the external information comprises pressure and temperature information outside the equipment with the closed space;
the second sensor is plugged with the second controller,
and the second sensor sends the detected external information of the equipment with the closed space to the second controller.
Preferably, the second controller compares the received external information of the device with the enclosed space with the stored amplified optical signal, and determines whether water can be discharged from the inside of the device with the enclosed space.
The invention also provides an intelligent detection method based on optical communication, which is suitable for the intelligent detection system based on optical communication and comprises the following steps:
s101: the method comprises the steps that a first sensor detects internal information of equipment with a closed space and sends the internal information of the equipment with the closed space to a first controller, wherein the internal information comprises pressure and temperature information inside the equipment with the closed space;
s102: the first controller performs numerical filtering and weighting processing on the internal information of the equipment with the closed space to convert the internal information into an optical signal, and sends the optical signal to the optical transmitting circuit module;
s103: the optical transmitting circuit module sends the received optical signal to the optical receiving circuit module;
s104: the optical receiving circuit module sends the received optical signal to an operational amplification circuit module;
s105: the operational amplification circuit module is used for amplifying the received optical signal to obtain an amplified optical signal and sending the amplified optical signal to a second controller through the driving circuit module;
s106: the second controller receives and stores the amplified optical signal;
s107: the second sensor detects external information of the equipment with the closed space and sends the detected external information of the equipment with the closed space to the second controller, wherein the external information comprises pressure and temperature information outside the equipment with the closed space;
s108: and the second controller compares the received external information of the equipment with the closed space with the stored amplified optical signal to judge whether water can be discharged from the inside of the equipment with the closed space.
The invention has the beneficial effects that:
the invention provides an intelligent detection system based on optical communication, which comprises a bolt, an optical communication transmitting unit arranged in the bolt, equipment with a closed space and an optical communication receiving unit arranged outside the equipment with the closed space; the bolt is connected with the equipment with the closed space through a fixing piece. The optical communication receiving unit receives the internal information of the equipment with the closed space, so that the internal environment of the equipment with the closed space is absolutely isolated from the external environment without any wire connection, the problem that the information cannot be transmitted because of being shielded is avoided, and the purpose of monitoring the internal information of the equipment with the closed space is achieved. The equipment with the closed space can be a fire hydrant in the concrete implementation, and can also be other equipment with the closed space.
Drawings
FIG. 1 is a schematic structural view of a bolt provided in accordance with an embodiment of the present invention;
fig. 2 is a circuit diagram of an optical communication transmitting unit provided in an embodiment of the present invention;
fig. 3 is a circuit diagram of an optical communication receiving unit according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an intelligent bolt provided in an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a bolt according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a solid bolt provided in accordance with an embodiment of the present invention;
fig. 7 is a schematic flowchart of an intelligent detection method based on optical communication according to an embodiment of the present invention;
fig. 8 is a schematic flowchart of another intelligent detection method based on optical communication according to an embodiment of the present invention;
fig. 9 is a block diagram of an overall structure of an intelligent detection based on optical communication according to an embodiment of the present invention.
In the figure:
10. a nut; 20. a bolt body; 21. an external thread; 30. a light emitting circuit module; 31. a first controller; 40. a light receiving circuit module; 50. a first sensor; 100. a groove; 101. a through hole; 102. a transparent acrylic sheet; 200. a chamber; 201. a protective frame; 202. and (5) reinforcing ribs.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The bolt is suitable for an electronic bolt intelligent detection system and a detection method, and the electronic bolt intelligent detection system and the detection method are particularly suitable for an absolutely-closed space bolt application place, and are particularly suitable for a space place such as a fire hydrant which needs an absolutely-closed environment to maintain the internal pressure. It should be noted that the present invention can be applied to a location having an absolutely closed space such as a fire hydrant, and other devices, such as a storage room having a toxic gas, which are applied to a location having an absolutely closed space. The fire hydrant which needs an absolutely sealed space is taken as an example, the water is gushed out due to the pressure difference between the internal environment and the external environment when the tightness can not meet the index requirement; the use of wires to transmit information may lead to aging of the wires over time; in the metal enclosed structure of the fire hydrant, the internal environment is transmitted by using the wireless node, and node information cannot be transmitted. More importantly, the fire hydrant belongs to emergency measure equipment, the fire hydrant is very emergency in field fire fighting time, the pressure information and the temperature information in the fire hydrant can be directly read to an external circuit to be displayed without opening a valve of the fire hydrant, field personnel can directly observe the fire hydrant, and the field fire fighting efficiency is improved.
Fig. 1 is a schematic structural diagram of a bolt according to an embodiment of the present invention, as shown in fig. 1. The invention provides a bolt, which comprises a nut 10 in a cylindrical shape, a bolt main body 20, a bolt head and a bolt head, wherein the bolt main body 20 is internally provided with a cavity 200 and is fixedly connected with the nut 10; the top surface of the nut 10 away from the bolt body 20 is internally provided with a groove 100, and the center of the groove 100 is provided with a through hole 101 communicated with the cavity 200; the through hole 101 is filled with a transparent acrylic plate 102 for insulation. Wherein, the cross-sectional shape of the groove 100 is circular, and the height of the nut 10 is less than that of the bolt body 20.
Preferably, the bolt body 20 is cylindrical in shape; the bolt body 20 has an external thread 21 on its outer peripheral surface. Wherein, the diameter of the nut 10 is larger than that of the bolt body 20; the diameter of the groove 100 is larger than that of the through hole 101; the diameter of the through-hole 101 is equal to the diameter of the chamber 200. In one embodiment, the diameter of the nut 10 is 8.5cm and the diameter of the groove 100 is 7 cm. The bolt body 20 has a diameter of 7 cm.
Preferably, a protective frame 201 is fixed in the chamber 200 along the height direction of the chamber 200, and reinforcing ribs 202 are arranged in parallel with the protective frame 201 at intervals. In a specific implementation, the protection frame 201 may be a plastic column with an intermediate evacuation portion for placing a wire, and the protection frame 201 is used for preventing liquid from entering the wire; the reinforcing ribs 202 may be two rigid reinforcing ribs in specific implementation, a certain distance is formed between each rigid reinforcing rib and the inner wall of the chamber 200, the distance between the two rigid reinforcing ribs is 6.5cm in specific implementation, and the rigid reinforcing ribs are used for reinforcing the structure of the chamber 200 in the bolt main body 20 and preventing the bolt from being damaged.
Fig. 2 is a schematic structural diagram of an intelligent detection system based on optical communication according to an embodiment of the present invention, as shown in fig. 2. Fig. 3 is a schematic structural diagram of an intelligent detection system based on optical communication according to an embodiment of the present invention, as shown in fig. 3. More specifically, fig. 2 is a circuit diagram of an optical communication transmitting unit, and fig. 3 is a circuit diagram of an optical communication receiving unit. An intelligent detection system based on optical communication comprises the bolt, an optical communication transmitting unit arranged in the bolt, equipment with a closed space and an optical communication receiving unit arranged outside the equipment with the closed space; the bolt is connected with equipment with a closed space through a fixing piece. Specifically, the pressure and temperature factor information of the internal environment of the equipment with the closed space is sent to the optical communication receiving unit through the optical communication transmitting unit, the optical communication receiving unit receives the internal information of the equipment with the closed space, so that the internal environment of the equipment with the closed space is absolutely isolated from the external environment, no wire connection is needed in the middle, the problem that the information cannot be transmitted due to shielding is avoided, and the purpose of monitoring the internal information of the equipment with the closed space is achieved. The equipment with the closed space can be a fire hydrant in the concrete implementation, and can also be other equipment with the closed space.
Preferably, the optical communication transmitting unit includes an optical transmitting circuit module 30 fixedly installed below the transparent acrylic plate 102; the optical communication receiving unit includes an optical receiving circuit module 40 fixedly mounted above the transparent acrylic plate 102; the light receiving circuit module 40 is located outside the apparatus having the closed space; the optical communication transmitting unit further includes a first controller 31; the first controller 31 performs numerical filtering and weighting processing on the received internal information of the device with the enclosed space to convert the internal information into an optical signal, and sends the optical signal to the optical transmission circuit module 30; the light emitting circuit module 30 transmits the received light signal to the light receiving circuit module 40. Specifically, the first controller 31 performs numerical filtering and weighting processing on the received internal information of the device having the enclosed space to convert the internal information into an optical signal, and sends the optical signal to the optical transmission circuit module 30; the light emitting circuit module transmits the received light signal to the light receiving circuit module 40. In a specific implementation, the light emitting circuit module 30 may be an infrared light emitting circuit module, and the light receiving circuit module 40 may be an infrared light receiving circuit module.
The transparent acrylic plate 102 can isolate the inside and the outside environment of the equipment with a closed space, so that the inside and the outside are absolutely isolated, and meanwhile, the transparent acrylic plate is used as an optical communication transmission medium, so that the internal information can be rapidly and accurately transmitted.
In the specific implementation, holes for screws to pass through are formed in the groove 100 of the bolt and on two sides of the through hole 101 formed in the center of the groove 100, the bolt is fixedly connected with equipment with a closed space through the screws, the number of the holes for the screws to pass through is determined according to the specific implementation, and the number of the holes is four, and two holes are formed in each of the two sides.
Preferably, the optical communication receiving unit further includes a second controller and an operational amplifier circuit module connected to the second controller; the operational amplifier circuit module amplifies the optical signal sent by the optical receiver circuit module 40 to obtain an amplified optical signal; the second controller receives and stores the amplified optical signal. The operational amplifier circuit module is an amplifying measure taken for preventing the decrease of the receiving voltage of the optical communication receiving circuit caused by the decrease of the light intensity in the optical communication process. Specifically, the amplified optical signal is stored into the RAM inside the second controller.
Preferably, a first sensor 50 for detecting internal information of the apparatus having the enclosed space is further included, wherein the internal information includes pressure and temperature information of the inside of the apparatus having the enclosed space; the first sensor 50 is fixedly installed in the chamber 200; the first sensor 50 is plugged into the first controller 31. In particular, the first sensor 50 may be directly plugged into an interface of the first controller 31.
Preferably, the system further comprises a second sensor which is used for detecting external information of the equipment with the closed space and is fixedly arranged outside the equipment with the closed space, wherein the external information comprises pressure and temperature information outside the equipment with the closed space; the second sensor is plugged with the second controller, and the second sensor sends the detected external information of the equipment with the closed space to the second controller. In particular, the second sensor can be directly plugged into an interface of the second controller.
In the specific implementation of the first sensor 50 and the second sensor, BMP280 sensors can be used, and the BMP280 sensor is a high-precision pressure, pressure and temperature integrated sensor, wherein the pressure resolution can reach 0.2Pa, the temperature resolution can reach 0.01 ℃, and the BMP280 sensors are mainly used for respectively acquiring pressure, pressure and temperature information inside and outside the fire hydrant.
Preferably, the second controller compares the received information outside the apparatus with the enclosed space with the stored amplified optical signal, and determines whether water can be discharged from the inside of the apparatus with the enclosed space.
In addition, in specific implementation, the second controller compares received equipment external information with a closed space with a stored amplified optical signal, and displays the comparison condition on a liquid crystal screen of an external optical communication receiving circuit, so that whether water can be discharged from the interior of the fire hydrant can be visually observed on site, and the fire fighting time on site is saved; meanwhile, the fire hydrant is sent to a cloud server side so as to remotely monitor the internal condition of the fire hydrant. And judging whether the inside of the equipment with the closed space can discharge water or not, if so, discharging water if the pressure inside the fire hydrant is higher than that outside, and otherwise, discharging water cannot be realized.
In a specific implementation, both the first controller 31 and the second controller may employ stm32f103c8t6 single chip.
In addition, the specific implementation also comprises an internal lithium battery which supplies power to the optical communication transmitting unit, and as the voltage of the lithium battery is reduced along with the longer use time, the voltage value of the stm32f103c8t6 singlechip chip and the BMP280 sensor of the optical communication transmitting unit needs 3.3V voltage, and the voltage of the optical transmitting circuit module needs 5V, a 3.3V and 5V voltage-stabilizing power supply circuit is designed to supply power to the modules. Similarly, power supply is also required for the optical communication receiving unit, and similar to the optical communication transmitting unit, the description is omitted here.
It should be noted that, in fig. 2, the circuits in the top row are a 3.3V voltage circuit and a 5V voltage circuit in sequence from left to right; a first sensor is arranged below the 5V voltage circuit, and an interface of the first sensor is plugged with an interface of the first controller 31; the circuit below the first sensor is a light emitting circuit module; the left side of the optical transmission circuit module is provided with a first controller 31, the first controller 31 has an interface and can be connected with the optical transmission circuit module through a conducting wire, and the optical transmission circuit module also comprises a reset circuit which is positioned on the left side of the first controller 31 in fig. 2 and is used for resetting the first controller 31 and preventing a program from running out and an external system clock. In fig. 3, similarly, the circuits in the top row are a 3.3V voltage circuit and a 5V voltage circuit from left to right; a second sensor is arranged below the 5V voltage circuit, and an interface of the second sensor is plugged with an interface of a second controller; the circuits below the second sensor are respectively a light receiving circuit module and a driving circuit module from left to right, an operational amplification circuit is arranged below the driving circuit module, and the light receiving circuit module sends a received light signal to the operational amplification circuit module; the operational amplification circuit module is used for amplifying the received optical signal to obtain an amplified optical signal and sending the amplified optical signal to the second controller through the driving circuit module; the left side of the light receiving circuit module is provided with a second controller, the second controller is provided with an interface and can be connected with the light receiving circuit module, the driving circuit module and the operational amplifier circuit through the interface and a lead, and similarly, the left side of the second controller also comprises a reset circuit positioned on the left side of the second controller in the figure 3, so that the reset circuit can provide reset for the second controller, and program run-down and external system clock are prevented.
Referring to fig. 1, fig. 2 and fig. 3, it can be seen that an intelligent bolt according to the present invention is provided, and fig. 4 is a schematic structural diagram of an intelligent bolt according to an embodiment of the present invention, as shown in fig. 4.
In fig. 4, the optical transmission module comprises a nut 10, a bolt body 20, an optical transmission circuit module 30, a first sensor 50, a groove 100, a through hole 101, a transparent acrylic plate 102, a chamber 200, a protective frame 201 and a reinforcing rib 202; wherein the first sensor 50 is fixedly mounted at the bottom of the chamber; the transparent acrylic plate 102 below of the light emitting circuit module 30 among the optical communication transmitting unit, first controller 31 fixed mounting in the optical communication transmitting unit just is located the top of first sensor 50 in the cavity, first sensor 50 pegs graft with first controller 31, light emitting circuit module 30 passes through the wire and is connected with first controller 31, this wire is located protection frame 201, the wire is located protection frame 201, prevent that the wire from getting into liquid, be favorable to protecting the wire, thereby avoid influencing the quick correct conveying of signal. The light receiving circuit module 40 in the optical communication receiving unit is fixedly installed above the transparent acrylic plate 102, and the light receiving circuit module 40 is located outside the apparatus having the closed space.
Fig. 5 is a schematic perspective view of a bolt according to an embodiment of the present invention, as shown in fig. 5. In order to replace the intelligent bolt to block the fire hydrant when the battery is replaced and prevent water from flowing out, fig. 6 is a schematic structural diagram of a solid bolt according to an embodiment of the present invention, as shown in fig. 6. The solid bolt in fig. 6 is the same size as the smart bolt.
The present invention further provides an intelligent detection method based on optical communication, which is suitable for the above intelligent detection system based on optical communication, and fig. 7 is a schematic flow chart of the intelligent detection method based on optical communication according to the specific embodiment of the present invention, as shown in fig. 7. The method comprises the following steps:
s101: the method comprises the steps that a first sensor detects internal information of equipment with a closed space and sends the internal information of the equipment with the closed space to a first controller, wherein the internal information comprises pressure and temperature information inside the equipment with the closed space;
s102: the first controller performs numerical filtering and weighting processing on internal information of equipment with a closed space to convert the internal information into an optical signal and sends the optical signal to the light emitting circuit module;
s103: the optical transmitting circuit module sends the received optical signal to the optical receiving circuit module;
s104: the light receiving circuit module sends the received light signal to the operational amplification circuit module;
s105: the operational amplification circuit module is used for amplifying the received optical signal to obtain an amplified optical signal and sending the amplified optical signal to the second controller through the driving circuit module;
s106: the second controller receives and stores the amplified optical signal;
s107: the second sensor detects external information of the equipment with the closed space and sends the detected external information of the equipment with the closed space to the second controller, wherein the external information comprises pressure and temperature information outside the equipment with the closed space;
s108: the second controller compares the received external information of the equipment with the closed space with the stored amplified optical signal, and judges whether the inside of the equipment with the closed space can discharge water or not.
Step S101 to steps S106 and S107 may be performed simultaneously. Therefore, steps S101 to S106 and S107 can also be performed simultaneously, and fig. 8 is a schematic flowchart of another intelligent detection method based on optical communication according to an embodiment of the present invention, as shown in fig. 8. Fig. 9 is a block diagram of an overall structure of an intelligent detection based on optical communication according to an embodiment of the present invention, as shown in fig. 9.
The invention has the advantages that: 1. the internal environment and the external environment of the fire hydrant are absolutely isolated by the optical communication technology, so that the problem of space air gaps caused by aging of the wires due to complex wires is avoided, the pressure difference between the internal environment and the external environment is changed, and the fire hydrant is flushed with water. Meanwhile, the condition that the wireless node cannot send out due to the metal closed environment information is avoided, the intelligent bolt is designed to be a transparent acrylic plate interlayer, and the internal information can be sent out through the transparent layer. 2. The inside pressure condition of traditional detection fire hydrant is more difficult, is more difficult to accomplish to stretch the sensor to the fire hydrant inside to go to detect, and this intelligence electronic bolt uses the bolt to inlay at the fire hydrant top (because top pressure is the same with the inside pressure of fire hydrant, when opening the valve, water can not gush the top, has guaranteed the environment of relative drying) can the real-time detection fire hydrant internal environment condition as the carrier. 3. Traditional intelligent bolt dismantles complicacy (because inside outside wire links together), does not well change the power, and this intelligence electron bolt adopts the blocking design, and inside outside does not have the wire and connects, changes the battery simple and conveniently, as long as this bolt takes out on the spot to change can (because optical communication transmitting unit snap-on in the hollow bolt the inside), and install the same size's of entity bolt simultaneously and remove the position of replacing intelligent bolt, guarantee airtight environment. 4. The intelligent equipment can be used in the fire hydrant environment, can be suitable for the absolute closed environment of any place, such as a storage room with toxic gas and the like, and achieves the advantages that common electronic equipment cannot achieve at all.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (10)
1. A bolt, characterized in that:
the bolt comprises a nut in the shape of a cylinder and a bolt main body, wherein a cavity is formed in the bolt main body and is fixedly connected with the nut;
a groove is recessed in the top surface of the nut, which is far away from the bolt main body, and a through hole communicated with the cavity is formed in the center of the groove;
and the through hole is filled with a transparent acrylic plate.
2. A bolt as defined in claim 1, wherein:
the bolt main body is cylindrical;
the outer peripheral surface of the bolt main body is provided with an external thread;
the diameter of the groove is larger than that of the through hole;
the diameter of the through hole is equal to the diameter of the chamber.
3. A bolt as defined in claim 2, wherein:
and protective frames arranged along the height direction of the cavity and reinforcing ribs arranged in parallel with the protective frames at intervals are fixed in the cavity.
4. The utility model provides an intelligent detection system based on optical communication which characterized in that:
comprising the bolt of any one of claims 1 to 3, an optical communication transmitting unit installed inside the bolt, an apparatus having a closed space, and an optical communication receiving unit installed outside the apparatus having the closed space;
the bolt is connected with the equipment with the closed space through a fixing piece.
5. An intelligent detection system based on optical communication as claimed in claim 4, wherein:
the optical communication transmitting unit comprises an optical transmitting circuit module fixedly mounted below the transparent acrylic plate;
the optical communication receiving unit comprises an optical receiving circuit module fixedly arranged above the transparent acrylic plate;
the light receiving circuit module is positioned outside the equipment with the closed space;
the optical communication transmitting unit further comprises a first controller;
the first controller performs numerical filtering and weighting processing on the received internal information of the equipment with the closed space to convert the internal information into an optical signal and sends the optical signal to the optical transmitting circuit module;
and the light emitting circuit module sends the received optical signal to the light receiving circuit module.
6. An intelligent detection system based on optical communication as claimed in claim 5, wherein:
the optical communication receiving unit also comprises a second controller and an operational amplification circuit module connected with the second controller;
the operational amplification circuit module is used for amplifying the optical signal sent by the optical receiving circuit module to obtain an amplified optical signal;
the second controller receives and stores the amplified optical signal.
7. An intelligent detection system based on optical communication as claimed in claim 6, wherein:
the device also comprises a first sensor used for detecting internal information of the device with the closed space, wherein the internal information comprises pressure and temperature information inside the device with the closed space;
the first sensor is fixedly arranged in the cavity;
the first sensor is plugged with the first controller.
8. An intelligent detection system based on optical communication as claimed in claim 7, wherein:
the device also comprises a second sensor which is used for detecting external information of the device with the closed space and is fixedly arranged outside the device with the closed space, wherein the external information comprises pressure and temperature information outside the device with the closed space;
the second sensor is plugged with the second controller,
and the second sensor sends the detected external information of the equipment with the closed space to the second controller.
9. An intelligent detection system based on optical communication as claimed in claim 8, wherein:
and the second controller compares the received external information of the equipment with the closed space with the stored amplified optical signal to judge whether water can be discharged from the inside of the equipment with the closed space.
10. An intelligent detection method based on optical communication, which is suitable for the intelligent detection system based on optical communication claimed in claim 9, and is characterized in that: the method comprises the following steps:
s101: the method comprises the steps that a first sensor detects internal information of equipment with a closed space and sends the internal information of the equipment with the closed space to a first controller, wherein the internal information comprises pressure and temperature information inside the equipment with the closed space;
s102: the first controller performs numerical filtering and weighting processing on the internal information of the equipment with the closed space to convert the internal information into an optical signal, and sends the optical signal to the optical transmitting circuit module;
s103: the optical transmitting circuit module sends the received optical signal to the optical receiving circuit module;
s104: the optical receiving circuit module sends the received optical signal to an operational amplification circuit module;
s105: the operational amplification circuit module is used for amplifying the received optical signal to obtain an amplified optical signal and sending the amplified optical signal to a second controller through the driving circuit module;
s106: the second controller receives and stores the amplified optical signal;
s107: the second sensor detects external information of the equipment with the closed space and sends the detected external information of the equipment with the closed space to the second controller, wherein the external information comprises pressure and temperature information outside the equipment with the closed space;
s108: and the second controller compares the received external information of the equipment with the closed space with the stored amplified optical signal to judge whether water can be discharged from the inside of the equipment with the closed space.
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