CN207423397U - A kind of cable tunnel environment humiture monitoring device - Google Patents
A kind of cable tunnel environment humiture monitoring device Download PDFInfo
- Publication number
- CN207423397U CN207423397U CN201721473009.XU CN201721473009U CN207423397U CN 207423397 U CN207423397 U CN 207423397U CN 201721473009 U CN201721473009 U CN 201721473009U CN 207423397 U CN207423397 U CN 207423397U
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- China
- Prior art keywords
- cable
- mounting base
- temperature
- transfer tube
- temperature detection
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Abstract
The utility model provides a kind of cable tunnel environment humiture monitoring device, including mounting base, cable temperature detection plate and aerial temperature and humidity testing agency, cable temperature detection plate and aerial temperature and humidity testing agency are installed in mounting base, cable temperature detection plate is wrapped in the periphery of cable, aerial temperature and humidity testing agency is mounted on outside of the cable temperature detection plate away from cable, aerial temperature and humidity testing agency includes air inlet, transfer tube, air outlet pipe, outlet collecting chamber and aerial temperature and humidity detection module, air inlet is connected by transfer tube with air outlet pipe, the air outlet pipe is connected with outlet collecting chamber, aerial temperature and humidity detection module is mounted in outlet collecting chamber, cable temperature detection plate and aerial temperature and humidity testing agency are connected respectively with message processing module, install convenient, monitoring is accurate.
Description
Technical field
The utility model is related to cable monitoring device more particularly to a kind of cable tunnel environment humiture monitoring devices.
Background technology
With the increase of net capacity, the raising of intelligence, automation level and the development of smart city, cable are used
To measure increasing, high-tension line has to be laid with by subterranean tunnel, by the circuit in these tunnels because in underground, it is difficult to
Grasp the situation in tunnel.Once occurring special circumstances in tunnel, the understanding field condition of first time is difficult to, and takes phase
Answer measure, it is easy to cause great loss, influence whether the safe operation of power grid.How the base of cable running safety is being ensured
It is the current emphasis of electric administrative department to make good use of high-tension cable conveying current capacity and electric current optimization transportation scheme on plinth to greatest extent
The problem of concern.The effective way for solving the problems, such as this is monitoring cable conductor temperature, makes the actual load ability and fortune of cable
Battalion's load matches.But since conductor temperature cannot directly be measured by temperature sensor, how to obtain conductor problem then
Into the key point solved the problems, such as.
Cable surface temperature is mainly monitored using optical fiber distributed type temp measuring system at present, then applied mathematical model reckoning is led
Temperature calculates the actual loading rate of cable run.The major defect of this mode is：
A cable surface temperature is larger by variation of ambient temperature, calculates that conductor temperature exists by single cable surface temperature
Inaccurate situation；
The temperature value of B optical fiber distributed types temp measuring system characterization is the mean temperature on certain length, for some on circuit
The temperature change of key node is insensitive；
The temperature accuracy of C optical fiber distributed type temp measuring systems is generally at 0.5-2 DEG C or so, the conductor of substantially this precision reckoning
Temperature certainly exists large error.
The content of the invention
The purpose of this utility model is to provide a kind of cable tunnel environment humiture monitoring device, install convenient, monitorings
Precisely.
In order to achieve the above object, the utility model adopts the following technical solution：A kind of cable tunnel environment humiture prison
Device is surveyed, including mounting base, cable temperature detection plate and aerial temperature and humidity testing agency, cable temperature detection plate and air are warm and humid
Degree testing agency is installed in mounting base, and the cable temperature detection plate is wrapped in the periphery of cable, the aerial temperature and humidity
Testing agency be mounted on outside of the cable temperature detection plate away from cable, the aerial temperature and humidity testing agency include air inlet,
Transfer tube, air outlet pipe, outlet collecting chamber and aerial temperature and humidity detection module, the air inlet are connected by transfer tube and air outlet pipe
Logical, the air outlet pipe is connected with outlet collecting chamber, and the aerial temperature and humidity detection module is mounted in outlet collecting chamber, the electricity
Cable temperature detection plate and aerial temperature and humidity testing agency are connected respectively with message processing module.
Further, the mounting base includes the first mounting base and the second mounting base, in first mounting base compared with
First mounting base central axes are arranged symmetrically flexible installing plate, and the elasticity installing plate is mounted on the first mounting base by rotation axis
On, the elasticity installing plate is equipped with cable temperature detection plate on the one side inner wall of cable.
Further, the elastic installing plate and cable temperature detection plate are equipped with gear in one end away from the first mounting base
Plate is equipped with piston and piston shaft between the baffle.
Further, the cable temperature detection plate and elastic installing plate are curved plates, and the cable temperature detection plate
It is identical with the curvature of elastic installing plate.
Further, the elastic periphery of the installing plate away from cable is equipped with transfer tube by transfer tube mounting bracket, institute
Stating transfer tube, axle sleeve is scalable to be mounted in the second mounting base by stretching, and multiple air inlets are set on the transfer tube.
Further, the transfer tube is curved pipe, and the transfer tube is identical with the curvature of elastic installing plate.
Further, the first mounting base lower end is equipped with cable temperature detection module, the second mounting base installation
Air blower, the air blower are equipped with by air blower mounting bracket on the upper end of the first mounting base, second mounting base
Accumulator is equipped with, described air blower one end is connected with transfer tube, and the other end is connected with air outlet pipe, and the air outlet pipe is received with outlet
Collect room connection, the aerial temperature and humidity detection module is mounted in outlet collecting chamber.
Further, the second mounting base upper end installs seat support by sucker and is equipped with sucker mounting base, the suction
Disk mounting base is equipped with sucker, also has in the sucker mounting base and is equipped with message processing module.
After adopting the above technical scheme, the utility model has the following advantages that：
1st, the temperature for being used for detection cable outer wall by wrapping up cable temperature detection plate in the periphery of cable, is realized to cable
The detection of body temperature using cable temperature detection plate to be fixed on to the periphery of cable in mounting base, and is installed in mounting base
Aerial temperature and humidity testing agency realizes that air is reached by transfer tube and air outlet pipe in outlet collecting chamber by air inlet, and profit
Indoor aerial temperature and humidity detection module is collected with outlet to be detected the indoor air of outlet collection, is realized to cable sheet
The detection of the temperature of body and cable ambient enviroment, substantially increases the inspection to humiture in cable body temperature and cable tunnel
Efficiency is surveyed, improves the accuracy of detection.
2nd, elastic installing plate is mounted on by rotation axis in the first mounting base, and first can be surrounded by realizing elastic installing plate
Mounting base rotates, and cable temperature detection plate is mounted on elastic installing plate, and first can be surrounded by realizing cable temperature detection plate
Mounting base rotates, and facilitates the periphery that cable temperature detection plate is easily installed in cable, improves the convenience of installation.
3rd, by baffled in the one end of elastic installing plate and cable temperature detection plate away from the first mounting base, between baffle
If piston and piston shaft, elastic installing plate and cable temperature detection plate are realized in installation process so that cable temperature detects
Plate installation is more firm, effectively improves the detection accuracy of cable temperature detection plate.
4th, by the cable temperature detection plate for setting same flexure degree and elastic installing plate, cable temperature detection plate is improved
The convenience of installation, while also with cable outer wall to cooperation, realize that the fitting to cable outer wall is installed, effectively increase cable temperature
Spend detection plate detection accuracy.
5th, by flexible axle sleeve realize transfer tube can in flexible axle sleeve stretching motion so that in cable temperature detection plate
During mounted on the periphery of cable, corresponding movement can be realized with the rotation of cable temperature detection plate so that transfer tube can
Arrange that detection can be collected to the air of cable periphery by realizing transfer tube, be made around the periphery of cable temperature detection plate
Cable periphery air detection it is representative, further improve to cable periphery aerial temperature and humidity detection accuracy.
6th, by setting the curvature of transfer tube identical with the curvature of elastic installing plate, it ensure that elastic installing plate is revolving
During turning, the bending amplitude that transfer tube can keep identical is adjusted, and ensure that the stability of total, and can
It ensure that transfer tube can be realized in certain deformation limit and ensure synchronous adjustment with elastic installing plate, further improve detection
Accuracy.
7th, the data transmission that the detection of cable temperature detection plate is realized by cable temperature detection module is examined to cable temperature
Module collection analysis is surveyed, is coordinated by air blower and transfer tube, realizes that extraneous air is entered by air inlet in transfer tube,
It is entered by air outlet pipe in outlet collecting chamber, indoor aerial temperature and humidity detection module is collected to the warm and humid of outside air by outlet
Degree is detected, and the data of detection are collected analysis by message processing module, can be to the humiture of the air of cable periphery
It is collected, detects and analyzes, improve the efficiency of detection, improve the accuracy of detection.
8th, by installing sucker in the second mounting base upper end, sucker is mounted in cable tunnel, effectively avoids monitoring device
The normal use of cable is influenced mounted on cable periphery, the installation of monitoring device has been also convenient for by installing sucker, and can be square
Just the movement of monitoring device not only effectively increases the stability of installation, improves the accuracy of detection, can be mounted on cable tunnel
Any position is detected cable in road, effectively increases the flexibility of detection.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation for cable tunnel environment humiture monitoring device that the utility model embodiment 1 proposes
Figure；
Fig. 2 is a kind of structural representation for cable tunnel environment humiture monitoring device that the utility model embodiment 2 proposes
Figure；
Fig. 3 is for the measured value of sample 1 in the utility model embodiment 1 and using cable tunnel environment humiture monitoring device
The test chart of conductor temperature effect is calculated afterwards；
Fig. 4 is for the measured value of sample 2 in the utility model embodiment 1 and using cable tunnel environment humiture monitoring device
The test chart of conductor temperature effect is calculated afterwards；
Fig. 5 is for the measured value of sample 3 in the utility model embodiment 1 and using cable tunnel environment humiture monitoring device
The test chart of conductor temperature effect is calculated afterwards；
It is as follows that the names of the parts is marked in figure：
1- elasticity installing plates, 2- aerial temperature and humidities testing agency, 201- transfer tube mounting brackets, 202- transfer tubes, 203- into
Gas port, 204- stretch axle sleeve, the second mounting bases of 205-, 206- air blowers, 207 air blower mounting bases, 208- accumulators, 209-
Aerial temperature and humidity detection module, 210- outlet collecting chambers, 211- air outlet pipes, the first mounting bases of 301-, 302- rotation axis, 303-
Cable temperature detection module, 304 cable temperature detection plates, 4 sucker mounting brackets, 5- sucker mounting bases, 6- suckers, 7- baffles,
8- pistons, 9- piston shafts, 10- message processing modules.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of cable tunnel environment humiture monitoring device, including mounting base, electricity
Cable temperature detection plate 304 and aerial temperature and humidity testing agency 2, cable temperature detection plate 304 and aerial temperature and humidity testing agency 2 are equal
In mounting base, cable temperature detection plate 304 is wrapped in the periphery of cable, and aerial temperature and humidity testing agency 2 is mounted on electricity
304 outside away from cable of cable temperature detection plate, aerial temperature and humidity testing agency 2 include air inlet 203, transfer tube 202, outlet
Pipe 211, outlet collecting chamber 210 and aerial temperature and humidity detection module 2, air inlet 203 are connected by transfer tube 202 and air outlet pipe 211
Logical, air outlet pipe 211 is connected with outlet collecting chamber 210, and aerial temperature and humidity detection module 209 is mounted in outlet collecting chamber 210,
Cable temperature detection plate 304 and aerial temperature and humidity testing agency 2 are connected respectively with message processing module 10.By in the outer of cable
Week wraps up the temperature that cable temperature detection plate 304 is used for detection cable outer wall, realizes the detection to cable body temperature, utilizes peace
Cable temperature detection plate 304 on dress seat is fixed on to the periphery of cable, and aerial temperature and humidity testing agency is installed in mounting base
2, it realizes that air is reached by transfer tube 202 and air outlet pipe 211 in outlet collecting chamber 210 by air inlet 203, and utilizes
Aerial temperature and humidity detection module 2 in gas collecting chamber 210 is detected the air in outlet collecting chamber 210, realizes to electricity
The detection of the temperature of cable body and cable ambient enviroment is substantially increased to humiture in cable body temperature and cable tunnel
Detection efficiency, improve the accuracy of detection.
In the present embodiment 1, mounting base includes the first mounting base 301 and the second mounting base 205, under the first mounting base 301
End is equipped with cable temperature detection module 303, is arranged symmetrically in the first mounting base 301 compared with 301 central axes of the first mounting base
Flexible installing plate 1, elastic installing plate 1 are mounted on by rotation axis 302 in the first mounting base 301, and elastic installing plate 1 is close to electricity
Cable temperature detection plate 304 is installed on the one side inner wall of cable.Elastic installing plate 1 is mounted on the first installation by rotation axis 302
On seat 301, realizing elastic installing plate 1 can rotate around the first mounting base 301, and cable temperature detection plate 304 is mounted on bullet
Property installing plate 1 on, realizing cable temperature detection plate 304 can rotate around the first mounting base 301, facilitate cable temperature inspection
Drafting board 304 is easily installed in the periphery of cable, improves the convenience of installation.
In the present embodiment 1, cable temperature detection plate 304 and elastic installing plate 1 are curved plates, and cable temperature detection plate
304 is identical with the curvature of elastic installing plate 1.It is installed by the cable temperature detection plate 304 and elasticity that set same flexure degree
Plate 1, improves the convenience of the installation of cable temperature detection plate 304, while also with cable outer wall to cooperation, realizes to cable outer wall
Fitting installation, effectively increase 304 detection accuracy of cable temperature detection plate.
In the present embodiment 1, cable tunnel environment humiture monitoring device is directly laid in tested cable surface, it is local about
The heat dissipation of beam cable forms cable local thermodynamic equilibrium, makes cable conductor temperature, cable surface temperature, cable tunnel environment warm and humid
It spends monitoring device exospheric temperature and forms temperature gradient.
By being embedded in two fiber-optical grating temperature sensors of the inner side and outer side in cable temperature detection plate to cable meter
Face temperature and cable temperature detection plate exospheric temperature are accurately tested.Cable conductor temperature can be calculated by mathematical model.
Conductor temperature is calculated using temperature gradient, coordinates temperature-measuring system of distributed fibers, is established conductor temperature along cable and is distributed.
In the present embodiment 1, cable temperature detector obtains test point temperature using fiber-optical grating temperature sensor, temperature
0.01 DEG C of the resolution ratio of degree, 0.1 DEG C of relative accuracy.Using fiber-optical grating temperature sensor, there is passive, fast response time, spirit
The features such as sensitivity is high, thermometric is accurate, long transmission distance, good integrated performance.
Design parameter is as shown in table 1,
Table 1：
In marginal test, by cable punching hole embedment fiber-optical grating temperature sensor actual measurement conductor temperature.Sample 1, sample
2nd, 3 measured value of sample after application cable tunnel environment humiture monitoring device with calculating conductor temperature effect successively such as Fig. 3, Fig. 4
Shown in Fig. 5,
Wherein, in Fig. 3, temperature 1 detects inner cord temperature for cable temperature, and temperature 2 is cable temperature detection plate outer layer temperature
Degree；
If Fig. 3, Fig. 4 and Fig. 5 are obtained, result of the test shows：Using being calculated after cable tunnel environment humiture monitoring device
Conductor temperature error<±2℃.
Cable temperature detection plate forms cable local thermodynamic equilibrium and temperature gradient by the heat dissipation of local restriction cable；It is logical
Cross two different gradient locations fiber-optical grating temperature sensor sync response external environment variations and conductor heat dissipation；Pass through theory point
Analysis and actual measuring and calculating, obtain cable thermal resistance and cable tunnel environment humiture monitoring device thermal resistance；Then pushed away using mathematical model
Calculate conductor temperature.Should can have performance more superior than traditional approach, system self-adaption external environment and load in this way
Variation.In the case where external environment is slowly varying, it can be achieved that calculating conductor temperature error<±2℃.
In embodiment 1, cable temperature detection plate additionally uses 10Hz (FBG) demodulators, the parameter of (FBG) demodulator as shown in table 2,
Table 2：
In the present embodiment 1, cable tunnel environment humiture monitoring device is connected by (FBG) demodulator with extraneous relay station, and
It is connected by relay station with server, realizes the long-range monitoring to cable.
Embodiment 2
The embodiment of the present invention 2 in place of the difference of above-described embodiment 1 with being.
With reference to Fig. 2, elastic installing plate 1 and cable temperature detection plate 304 are equipped with gear in one end away from the first mounting base 301
Plate 7 is equipped with piston 8 and piston shaft 9 between baffle 7.By in elastic installing plate 1 and cable temperature detection plate 304 away from first
One end baffled 7 of mounting base 301 sets piston 8 and piston shaft 9 between baffle 7, realizes elastic installing plate 1 and cable temperature
Detection plate 304 is in installation process so that cable temperature detection plate 304, which is installed, more to be consolidated, and effectively improves cable temperature detection
The detection accuracy of plate 304.
In the present embodiment 2, elastic periphery of the installing plate 1 away from cable is equipped with transmission by transfer tube mounting bracket 201
Pipe 202, by stretching, axle sleeve 204 is scalable to be mounted in the second mounting base 205 transfer tube 202, is set on the transfer tube 202 more
A air inlet 203.By flexible axle sleeve 204 realize transfer tube 202 can in flexible axle sleeve 204 stretching motion so that in electricity
When cable temperature detection plate 304 is mounted on the periphery of cable, corresponding fortune can be realized with the rotation of cable temperature detection plate 304
It is dynamic so that the periphery that transfer tube 202 can surround cable temperature detection plate 304 arranges that realizing transfer tube 202 can be to cable
The air of periphery is collected detection so that the detection of cable periphery air is representative, further improves outside to cable
The accuracy of all aerial temperature and humidity detections.
In the present embodiment 2, the transfer tube 202 is curved pipe, and the transfer tube 202 and elastic installing plate 1 is curved
Curvature is identical.Curvature by setting transfer tube 202 is identical with the curvature of elastic installing plate 1, ensure that elastic installing plate 1
During rotation, the bending amplitude that transfer tube 202 can keep identical is adjusted, and ensure that the stabilization of total
Property, and can ensure that transfer tube 202 that can be realized in certain deformation limit with elastic installing plate 1 and ensure synchronous adjustment, into
One step improves detection accuracy.
In the present embodiment 2, the second mounting base 205 is on the upper end of the first mounting base 301, the second mounting base 205
Air blower 206 is equipped with by air blower mounting bracket 207, air blower 206 is equipped with accumulator 208,206 one end of air blower with
Transfer tube 202 connects, and the other end is connected with air outlet pipe 211, and the air outlet pipe 211 is connected with outlet collecting chamber 210, and air is warm and humid
Detection module 209 is spent to be mounted in outlet collecting chamber 210.Cable temperature is realized by cable temperature detection module 303 to detect
The data transmission that plate 304 detects is collected and surveyed to cable temperature detection module 303, is matched somebody with somebody by air blower 206 and transfer tube 202
It closes, realizes that extraneous air is entered by air inlet 203 in transfer tube 202, outlet collecting chamber is entered by air outlet pipe 211
In 210, the humiture of outside air is detected by the aerial temperature and humidity detection module 209 in outlet collecting chamber 210, is detected
Data analysis is collected by message processing module 10, the humiture of the air of cable periphery can be collected, detected
And analysis, the efficiency of detection is improved, improves the accuracy of detection,
In the present embodiment 2,205 upper end of the second mounting base installs seat support 4 by sucker and is equipped with sucker mounting base 5,
Sucker mounting base 5 is equipped with sucker 6, also has in sucker mounting base 5 and is equipped with message processing module 10.By in the second mounting base
Sucker 6 is installed in 205 upper ends, and sucker 6 is mounted in cable tunnel, and monitoring device is effectively avoided, which to be mounted on cable periphery, influences cable
Normal use, the installation of monitoring device has been also convenient for by installing sucker 6, and the movement of monitoring device can be facilitated, not only
Effectively increase the stability of installation, improve the accuracy of detection, can be mounted on cable tunnel in any position to cable into
Row detection, effectively increases the flexibility of detection.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, the utility model should all be belonged to
Scope defined in appended claims.
Claims (8)
1. a kind of cable tunnel environment humiture monitoring device is examined including mounting base, cable temperature detection plate and aerial temperature and humidity
Mechanism is surveyed, cable temperature detection plate and aerial temperature and humidity testing agency are installed in mounting base, which is characterized in that the cable
Temperature detection plate is wrapped in the periphery of cable, and the aerial temperature and humidity testing agency is mounted on cable temperature detection plate away from cable
Outside, the aerial temperature and humidity testing agency include air inlet, transfer tube, air outlet pipe, outlet collecting chamber and aerial temperature and humidity
Detection module, the air inlet are connected by transfer tube with air outlet pipe, and the air outlet pipe is connected with outlet collecting chamber, the air
Temperature and Humidity module is mounted in outlet collecting chamber, the cable temperature detection plate and aerial temperature and humidity testing agency respectively with
Message processing module connects.
2. cable tunnel environment humiture monitoring device according to claim 1, which is characterized in that the mounting base includes
First mounting base and the second mounting base are arranged symmetrically flexible peace in first mounting base compared with the first mounting base central axes
Loading board, the elasticity installing plate are mounted on by rotation axis in the first mounting base, and the elasticity installing plate is close to the one side of cable
Cable temperature detection plate is installed on inner wall.
3. cable tunnel environment humiture monitoring device according to claim 2, which is characterized in that the elasticity installing plate
Baffle is equipped in one end away from the first mounting base with cable temperature detection plate, piston and piston shaft are equipped between the baffle.
4. cable tunnel environment humiture monitoring device according to claim 2, which is characterized in that the cable temperature inspection
Drafting board and elastic installing plate are curved plates, and the cable temperature detection plate is identical with the curvature of elastic installing plate.
5. cable tunnel environment humiture monitoring device according to claim 2, which is characterized in that the elasticity installing plate
Periphery away from cable is equipped with transfer tube by transfer tube mounting bracket, and by stretching, axle sleeve is scalable to be mounted on the transfer tube
In second mounting base, multiple air inlets are set on the transfer tube.
6. cable tunnel environment humiture monitoring device according to claim 1, which is characterized in that the transfer tube is song
Shape pipe, and the transfer tube is identical with the curvature of elastic installing plate.
7. cable tunnel environment humiture monitoring device according to claim 2, which is characterized in that first mounting base
Lower end is equipped with cable temperature detection module, and second mounting base is mounted on the upper end of the first mounting base, second installation
Air blower is equipped with by air blower mounting bracket on seat, the air blower is equipped with accumulator, and described air blower one end is with passing
Defeated pipe connection, the other end are connected with air outlet pipe, and the air outlet pipe is connected with outlet collecting chamber, the aerial temperature and humidity detection module
In outlet collecting chamber.
8. cable tunnel environment humiture monitoring device according to claim 2, which is characterized in that second mounting base
Upper end installs seat support by sucker and is equipped with sucker mounting base, and the sucker mounting base is equipped with sucker, the sucker installation
Also have on seat and be equipped with message processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473009.XU CN207423397U (en) | 2017-11-07 | 2017-11-07 | A kind of cable tunnel environment humiture monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473009.XU CN207423397U (en) | 2017-11-07 | 2017-11-07 | A kind of cable tunnel environment humiture monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423397U true CN207423397U (en) | 2018-05-29 |
Family
ID=62307834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721473009.XU Expired - Fee Related CN207423397U (en) | 2017-11-07 | 2017-11-07 | A kind of cable tunnel environment humiture monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207423397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301786A (en) * | 2018-10-31 | 2019-02-01 | 国家电网有限公司 | A kind of cable channel cover plate of energy automatic dehumidifying |
| CN111207793A (en) * | 2020-03-11 | 2020-05-29 | 山东和兑智能科技有限公司 | Cable tunnel environment monitoring device and system |
-
2017
- 2017-11-07 CN CN201721473009.XU patent/CN207423397U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301786A (en) * | 2018-10-31 | 2019-02-01 | 国家电网有限公司 | A kind of cable channel cover plate of energy automatic dehumidifying |
| CN111207793A (en) * | 2020-03-11 | 2020-05-29 | 山东和兑智能科技有限公司 | Cable tunnel environment monitoring device and system |
| CN111207793B (en) * | 2020-03-11 | 2021-12-28 | 山东和兑智能科技有限公司 | Cable tunnel environment monitoring device and system |
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