CN115235551A - Cable tunnel state monitoring system based on environmental factor monitoring - Google Patents
Cable tunnel state monitoring system based on environmental factor monitoring Download PDFInfo
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- CN115235551A CN115235551A CN202211157404.2A CN202211157404A CN115235551A CN 115235551 A CN115235551 A CN 115235551A CN 202211157404 A CN202211157404 A CN 202211157404A CN 115235551 A CN115235551 A CN 115235551A
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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
- G01D11/16—Elements for restraining, or preventing the movement of, parts, e.g. for zeroising
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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
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
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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 relates to the technical field of environmental monitoring, in particular to a cable tunnel state monitoring system based on environmental factor monitoring, which is convenient for installing various sensors, is beneficial to eliminating monitoring errors of the sensors and improves monitoring precision; the method comprises the following steps: the mounting frame is fixedly mounted on the inner wall of the tunnel, two water level sensors, two temperature and humidity sensors, two smoke sensors and two gas sensors are symmetrically mounted on the mounting frame, and a camera is fixedly mounted at the top of the mounting frame; the positions of the water level sensor, the temperature and humidity sensor, the smoke sensor and the gas sensor on the mounting frame are adjustable, the mounting frame comprises a vault and two groups of supporting legs, and the two groups of supporting legs are detachably mounted at two ends of the vault; the electric control cabinet is internally provided with an integrated circuit, the integrated circuit is provided with a data processing module, and the data processing module is used for receiving electric signals sent by the water level sensor, the temperature and humidity sensor, the smoke sensor and the gas sensor.
Description
Technical Field
The invention relates to the technical field of environmental monitoring, in particular to a cable tunnel state monitoring system based on environmental factor monitoring.
Background
The power cable is an aorta for urban electric energy transmission and is related to the safe operation of the whole power grid; along with continuous construction and transformation of a power grid, a power tunnel and the scale are also continuously enlarged, and in the subsequent maintenance of a cable tunnel, in order to prevent the occurrence of conditions such as fire, water leakage and the like, various sensors are often required to be installed in the tunnel so as to indirectly monitor the operation condition of the cable through monitoring the environment; most of the existing monitoring systems are directly installed on the inner wall of the tunnel by drilling, and the installation is more complicated due to the overlong length of the tunnel.
Disclosure of Invention
In order to solve the technical problems, the invention provides the cable tunnel state monitoring system based on environmental factor monitoring, which is convenient for mounting various sensors, is beneficial to eliminating monitoring errors of the sensors and improves monitoring precision.
The invention relates to a cable tunnel state monitoring system based on environmental factor monitoring, which comprises:
the mounting frame is fixedly mounted on the inner wall of the tunnel, two water level sensors, two temperature and humidity sensors, two smoke sensors and two gas sensors are symmetrically mounted on the mounting frame, and a camera is fixedly mounted at the top of the mounting frame; the positions of the water level sensor, the temperature and humidity sensor, the smoke sensor and the gas sensor on the mounting frame are adjustable, the mounting frame comprises a vault and two groups of supporting legs, and the two groups of supporting legs are detachably mounted at two ends of the vault;
the intelligent water level sensor comprises an electric control cabinet, wherein an integrated circuit is arranged in the electric control cabinet, a data processing module is arranged on the integrated circuit and used for receiving electric signals sent by a water level sensor, a temperature and humidity sensor, a smoke sensor and a gas sensor, the data processing module calculates an average value of two groups of data of the same type of sensor within a certain time and sends the average value to external central control equipment.
Wherein the data processing module calculates the average by:
s1: averaging a plurality of values monitored by the same sensor;
s2: respectively subtracting a plurality of numerical values in the group of data from the average value, and eliminating the numerical value with the largest absolute value of the difference value;
s3: calculating the average value of the rest values in the group of data;
s4: the average of the data sets corresponding to the two sensors is compared:
and when the absolute value of the difference between the average values of the two groups of data is greater than the preset threshold, repeating S1 to S3 until the absolute value of the difference between the average values of the two groups of data is not greater than the preset threshold, and transmitting the average value of the two groups of data.
Preferably, the end of vault is provided with the slot, the fixed bolt that is provided with on the landing leg, the bolt inserts to inside the slot, be provided with the constant head tank on the vault, be provided with the cross slot on the bolt, still include the locating plate with supporting use of constant head tank and cross slot, the locating plate clamps between constant head tank and cross slot.
Preferably, two positioning holes are symmetrically arranged in the positioning groove, one positioning hole is arranged on the transverse groove, three convex columns are respectively arranged on the positioning plate corresponding to the three positioning holes, and the three convex columns are respectively inserted into the three positioning holes in an interference manner.
Preferably, the inner walls of the vault and the supporting legs are provided with sliding grooves, the inner walls of the sliding grooves are symmetrically provided with two groups of tooth sections, a plurality of groups of adjusting boxes are slidably mounted between the tooth sections, two sides of each adjusting box are provided with jacking teeth in a telescopic mode, and the adjusting boxes are fixedly connected with a water level sensor, a temperature and humidity sensor, a smoke sensor and a gas sensor.
Preferably, the top teeth are fixedly provided with connecting lugs, the connecting lugs are fixedly provided with second pin shafts, two sets of rotating shafts are arranged in the adjusting box, each set of rotating shafts is rotatably provided with an L-shaped connecting rod, each L-shaped connecting rod is provided with a first strip-shaped groove and a second strip-shaped groove, and the second pin shafts are slidably arranged inside the second strip-shaped grooves.
Preferably, the sliding is provided with on the adjusting box and presses the compression leg, fixedly connected with connecting block on the compression leg, the both sides of connecting block are provided with the mounting groove, and equal fixed mounting has first round pin axle in every group mounting groove to two sets of first round pin axles are sliding mounting respectively in two sets of first bar inslots, and wherein connecting block elastic mounting is in the adjusting box.
Preferably, the inside of the adjusting box is fixedly provided with an elastic sheet by means of a bolt, the connecting block is fixedly provided with a support pillar, and the elastic sheet is in abutting contact with the support pillar.
Compared with the prior art, the invention has the beneficial effects that: the water level sensor, the temperature and humidity sensor, the smoke sensor and the gas sensor are sequentially distributed from bottom to top, wherein the water level sensor is positioned at the lowest point, so that the water leakage condition can be monitored in time when water leakage occurs; wherein the gas sensor primarily monitors toxic gases such as carbon monoxide and methane in the tunnel; because the density of carbon monoxide and methane is less than that of air, the gas sensor is arranged at the top of the mounting frame to detect toxic gas more accurately; the temperature and the humidity in the tunnel are monitored through the temperature and humidity sensor, smoke in the tunnel is monitored through the smoke sensor, whether a fire disaster happens in the tunnel can be monitored, and the condition in the tunnel can be watched in real time through the camera; through the setting, need not to drill the installation on the tunnel inner wall, the all kinds of sensors of installation of being convenient for set up two respectively through every kind of sensor, are favorable to rejecting the monitoring error of sensor, promote the monitoring accuracy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an isometric view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure of the part A in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure of the regulating box connected with the sensor;
FIG. 5 is an enlarged view of the connection between the connecting block and the L-shaped link;
FIG. 6 is an enlarged view of the connection between the L-shaped link and the shaft;
FIG. 7 is an exploded view of the structural connection of the dome with the legs, etc.;
FIG. 8 is an enlarged view of the structure of the portion B in FIG. 7;
FIG. 9 is an enlarged view of the positioning plate;
FIG. 10 is a schematic illustration of the configuration of the arch and leg connection;
FIG. 11 is an enlarged view of the structure of the portion C in FIG. 10;
in the drawings, the reference numbers: 1. a mounting frame; 2. a water level sensor; 3. a temperature and humidity sensor; 4. a smoke sensor; 5. a gas sensor; 6. a camera; 7. an electric control cabinet; 8. a dome; 9. a support leg; 10. inserting slots; 11. a bolt; 12. positioning a groove; 13. a transverse groove; 14. positioning holes; 15. positioning a plate; 16. a convex column; 17. a convex edge; 18. a bolt and nut pair; 19. a chute; 20. a tooth segment; 21. an adjustment box; 22. a top tooth; 23. connecting blocks; 24. pressing the column; 25. mounting grooves; 26. a first pin shaft; 27. an L-shaped connecting rod; 28. a rotating shaft; 29. a first bar-shaped groove; 30. a second strip groove; 31. connecting lugs; 32. a second pin shaft; 33. a spring plate; 34. a top pillar; 35. a foot seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.
As shown in fig. 1, the system for monitoring the state of a cable tunnel based on environmental factor monitoring of the present invention comprises:
the tunnel monitoring system comprises a mounting frame 1, wherein the mounting frame 1 is fixedly mounted on the inner wall of a tunnel, two water level sensors 2, two temperature and humidity sensors 3, two smoke sensors 4 and two gas sensors 5 are symmetrically mounted on the mounting frame 1, and a camera 6 is fixedly mounted at the top of the mounting frame 1; the positions of the water level sensor 2, the temperature and humidity sensor 3, the smoke sensor 4 and the gas sensor 5 on the mounting frame 1 are adjustable;
the intelligent water level control system comprises an electric control cabinet 7, wherein an integrated circuit is installed in the electric control cabinet 7, a data processing module is arranged on the integrated circuit, data transmission is carried out between a water level sensor 2, a temperature and humidity sensor 3, a smoke sensor 4, a gas sensor 5 and a camera 6 and the data processing module through wireless signals, the data processing module is used for receiving electric signals sent by the water level sensor 2, the temperature and humidity sensor 3, the smoke sensor 4 and the gas sensor 5, the data processing module calculates an average value of two groups of data of the same type of sensor within a certain time period and sends the average value to external central control equipment;
when the average value is calculated, a plurality of numerical values monitored by the same sensor are averaged, a plurality of numerical values in the group of data are subtracted from the average value, the numerical value with the largest absolute value of the difference is removed, then the average value of the rest plurality of numerical values is calculated, and when the absolute value of the difference between the two groups of data average values monitored by the two sensors is not larger than a preset threshold value, the two average values are sent; if the absolute value of the difference between the average values of the two groups of data is larger than the preset threshold value, the process is continuously repeated, the numerical value with larger dispersion is removed, the two average values are calculated and compared again until the absolute value of the difference between the two average values is not larger than the preset threshold value, and then the two average values are sent.
Specifically, in the embodiment, the water level sensor 2, the temperature and humidity sensor 3, the smoke sensor 4 and the gas sensor 5 are sequentially distributed from bottom to top, wherein the water level sensor 2 is located at the lowest point, so that the water leakage condition can be monitored in time when water leakage occurs; wherein the gas sensor 5 mainly monitors toxic gases such as carbon monoxide and methane in the tunnel; because the density of the carbon monoxide and the methane is smaller than that of the air, the gas sensor 5 is arranged at the top of the mounting frame 1 to detect the toxic gas more accurately; the temperature and the humidity in the tunnel are monitored by the temperature and humidity sensor 3, and the smoke in the tunnel is monitored by the smoke sensor 4, so that whether a fire disaster happens in the tunnel can be monitored; the condition in the tunnel can be watched in real time through the camera 6, wherein the electric control cabinet 7 calculates the average value within a certain time, and the time length is adjustable; through the setting, need not to drill the installation on the tunnel inner wall, the all kinds of sensors of installation of being convenient for set up two respectively through every kind of sensor, are favorable to rejecting the monitoring error of sensor, promote the monitoring precision.
In order to facilitate the carrying of the mounting frame 1 in the tunnel, the mounting frame 1 adopts a detachable combined structure, specifically, as shown in fig. 7, the mounting frame 1 comprises a vault 8 and two groups of supporting legs 9, the vault 8 is attached to the top of the tunnel, and the two groups of supporting legs 9 are detachably mounted at two ends of the vault 8;
how the vault 8 and the supporting leg 9 are connected specifically, as shown in fig. 8 and 9, a slot 10 is arranged at an end of the vault 8, a bolt 11 is fixedly arranged on the supporting leg 9, the bolt 11 is inserted into the slot 10, a positioning slot 12 transversely penetrating through the slot 10 is arranged on an outer wall of the vault 8, a transverse slot 13 is transversely arranged on the bolt 11, wherein the width of the positioning slot 12 is equal to that of the transverse slot 13, a positioning plate 15 is further included, the positioning slot 12 and the transverse slot 13 are used in cooperation, two positioning holes 14 are symmetrically arranged in the positioning slot 12, a positioning hole 14 is arranged on the transverse slot 13, three convex columns 16 are respectively arranged on the positioning plate 15 corresponding to the three positioning holes 14, and the three convex columns 16 are respectively inserted into the three positioning holes 14 in an interference manner, so that the fixed connection of the vault 8 and the supporting leg 9 is realized, the manner is simple in structure and is convenient to disassemble and assemble; on the other hand, the vault 8 and the leg 9 can also be fixedly connected in the following way, as shown in fig. 11, convex edges 17 are arranged on the side walls of the contact ends of the vault 8 and the leg 9, and the two groups of convex edges 17 are fixedly connected by means of bolt and nut pairs 18.
How to adjust the height of each sensor, as shown in fig. 2 to 4, sliding grooves 19 are formed in the inner walls of the arch top 8 and the supporting legs 9, two sets of tooth sections 20 are symmetrically arranged on the inner wall of the sliding groove 19, an adjusting box 21 is slidably installed between the two sets of tooth sections 20, top teeth 22 are telescopically arranged on two sides of the adjusting box 21 and used for fixing the position of the adjusting box 21 by matching with the tooth sections 20 on the two sides, and the adjusting box 21 is fixedly connected with the water level sensor 2, the temperature and humidity sensor 3, the smoke sensor 4 and the gas sensor 5;
specifically, how to drive two sets of top teeth 22 to synchronously extend and retract is shown in fig. 5 to 6, a connecting lug 31 is fixedly arranged at one end of each top tooth 22, which is positioned inside an adjusting box 21, a second pin shaft 32 is fixedly arranged on each connecting lug 31, two sets of rotating shafts 28 are symmetrically arranged inside the adjusting box 21, an L-shaped connecting rod 27 is rotatably arranged on each set of rotating shaft 28, the connecting point of each L-shaped connecting rod 27 and each rotating shaft 28 is positioned at the corner of each L-shaped connecting rod 27, a first strip-shaped groove 29 and a second strip-shaped groove 30 are respectively arranged on two edges of each L-shaped connecting rod 27, the second pin shaft 32 is slidably arranged inside the second strip-shaped groove 30, a pressing column 24 is slidably arranged on the adjusting box 21, the pressing column 24 penetrates through the adjusting box 21 and extends out of the adjusting box 21, a connecting block 23 is fixedly connected to the end surface of each pressing column 24, two sides of the connecting block 23 are provided with mounting grooves 25, a first pin shaft 26 is fixedly arranged in each mounting groove 25, and the first pin shaft 26 is respectively slidably arranged inside the two sets of the first strip-shaped grooves 29, wherein the connecting block 23 is elastically arranged in the adjusting box 21;
specifically, an elastic sheet 33 is fixedly installed inside the adjusting box 21 by means of a bolt, the elastic sheet 33 is in a concave state, a top column 34 is fixedly arranged on the connecting block 23, and the elastic sheet 33 is in abutting contact with the top column 34;
in this embodiment, the pressing column 24 is pushed upwards, so that the pressing column 24 overcomes the elastic force of the elastic sheet 33 to drive the connecting block 23 to rise, and the sliding connection between the first pin shaft 26 and the first bar-shaped groove 29 drives the L-shaped connecting rod 27 to rotate outwards along the axis of the rotating shaft 28, so that the two groups of second bar-shaped grooves 30 pull the two groups of second pin shafts 32 to approach each other relatively, thereby controlling the two groups of top teeth 22 to contract synchronously, and at this time, the adjusting box 21 can move freely in the sliding groove 19; the pressing column 24 is loosened, the elastic sheet 33 is restored to the initial state under the action of the elastic force, the connecting block 23 is pushed to move downwards, and therefore the two groups of top teeth 22 synchronously extend outwards and are clamped into the tooth sections 20 on the two sides, fixing of the adjusting box 21 is achieved, and the positions of various sensors can be adjusted conveniently through the arrangement.
In order to facilitate the fixed installation of the supporting legs 9 in the tunnel, the bottom ends of the supporting legs 9 are provided with foot seats 35, and the supporting legs 9 are fixedly connected through matching bolts.
The cable tunnel state monitoring system based on environmental factor monitoring is implemented in a common mechanical mode in an installation mode, a connection mode or a setting mode as long as the beneficial effects of the cable tunnel state monitoring system are achieved.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (8)
1. A cable tunnel state monitoring system based on environmental factor monitoring, characterized by comprising:
the tunnel water level sensor mounting structure comprises a mounting frame (1), wherein the mounting frame (1) is fixedly mounted on the inner wall of a tunnel, two water level sensors (2), two temperature and humidity sensors (3), two smoke sensors (4) and two gas sensors (5) are symmetrically mounted on the mounting frame (1), and a camera (6) is fixedly mounted at the top of the mounting frame (1); the positions of the water level sensor (2), the temperature and humidity sensor (3), the smoke sensor (4) and the gas sensor (5) on the mounting rack (1) are adjustable, the mounting rack (1) comprises a vault (8) and two groups of supporting legs (9), and the two groups of supporting legs (9) are detachably mounted at two ends of the vault (8);
the automatic control cabinet (7), automatically controlled cabinet (7) internally mounted has integrated circuit, is provided with data processing module on the integrated circuit, data processing module is used for receiving the signal of telecommunication that level sensor (2), temperature and humidity sensor (3), smoke transducer (4) and gas sensor (5) sent, data processing module calculates the average value with two sets of data of same type of sensor in the certain time to with average value transmission to external well accuse equipment.
2. The system for monitoring the status of a cable tunnel based on environmental factor monitoring of claim 1, wherein said data processing module calculates the average value by:
s1: averaging a plurality of values monitored by the same sensor;
s2: respectively subtracting a plurality of numerical values in the group of data from the average value, and eliminating the numerical value with the largest absolute value of the difference value;
s3: calculating the average value of the rest values in the group of data;
s4: the average of the data sets corresponding to the two sensors is compared:
and when the absolute value of the difference between the average values of the two groups of data is greater than the preset threshold, repeating S1 to S3 until the absolute value of the difference between the average values of the two groups of data is not greater than the preset threshold, and transmitting the average value of the two groups of data.
3. The system for monitoring the state of the cable tunnel based on the environmental factor monitoring as recited in claim 1, wherein a slot (10) is provided at an end of the arch top (8), a bolt (11) is fixedly provided on the leg (9), the bolt (11) is inserted into the slot (10), a positioning slot (12) is provided on the arch top (8), a transverse slot (13) is provided on the bolt (11), a positioning plate (15) is further included for matching with the positioning slot (12) and the transverse slot (13), and the positioning plate (15) is clamped between the positioning slot (12) and the transverse slot (13).
4. The environmental factor monitoring-based cable tunnel state monitoring system according to claim 3, wherein two positioning holes (14) are symmetrically arranged in the positioning groove (12), one positioning hole (14) is arranged on the transverse groove (13), three convex columns (16) are respectively arranged on the positioning plate (15) corresponding to the three positioning holes (14), and the three convex columns (16) are respectively inserted into the three positioning holes (14) in an interference manner.
5. The cable tunnel state monitoring system based on environmental factor monitoring as claimed in claim 1, wherein a sliding groove (19) is arranged on the inner wall of the vault (8) and the supporting leg (9), two sets of tooth sections (20) are symmetrically arranged on the inner wall of the sliding groove (19), a plurality of sets of adjusting boxes (21) are slidably mounted between the two sets of tooth sections (20), both sides of each adjusting box (21) can be telescopically provided with a top tooth (22), and the adjusting boxes (21) are fixedly connected with the water level sensor (2), the temperature and humidity sensor (3), the smoke sensor (4) and the gas sensor (5).
6. The system for monitoring the cable tunnel state based on the environmental factor monitoring as recited in claim 5, wherein a connecting lug (31) is fixedly disposed on the top tooth (22), a second pin shaft (32) is fixedly disposed on the connecting lug (31), two sets of rotating shafts (28) are disposed in the adjusting box (21), an L-shaped connecting rod (27) is rotatably disposed on each set of rotating shaft (28), a first strip-shaped groove (29) and a second strip-shaped groove (30) are disposed on the L-shaped connecting rod (27), and the second pin shaft (32) is slidably disposed inside the second strip-shaped groove (30).
7. The system for monitoring the state of the cable tunnel based on the environmental factor monitoring as recited in claim 6, wherein a pressing column (24) is slidably disposed on the adjusting box (21), a connecting block (23) is fixedly connected to the pressing column (24), mounting grooves (25) are disposed on two sides of the connecting block (23), a first pin (26) is fixedly mounted in each mounting groove (25), and two sets of first pins (26) are respectively slidably mounted in two sets of first grooves (29), wherein the connecting block (23) is elastically mounted in the adjusting box (21).
8. The system for monitoring the cable tunnel state based on the environmental factor monitoring as recited in claim 7, wherein a spring plate (33) is fixedly installed inside the adjusting box (21) by means of a bolt, a support pillar (34) is fixedly arranged on the connecting block (23), and the spring plate (33) is in abutting contact with the support pillar (34).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211157404.2A CN115235551B (en) | 2022-09-22 | 2022-09-22 | Cable tunnel state monitoring system based on environmental factor monitoring |
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| CN202211157404.2A CN115235551B (en) | 2022-09-22 | 2022-09-22 | Cable tunnel state monitoring system based on environmental factor monitoring |
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| CN115235551B CN115235551B (en) | 2022-12-09 |
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| CN115235551B (en) | 2022-12-09 |
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