CN214666960U - Chain type TD observation instrument and TD observation chain - Google Patents

Chain type TD observation instrument and TD observation chain Download PDF

Info

Publication number
CN214666960U
CN214666960U CN202023108286.5U CN202023108286U CN214666960U CN 214666960 U CN214666960 U CN 214666960U CN 202023108286 U CN202023108286 U CN 202023108286U CN 214666960 U CN214666960 U CN 214666960U
Authority
CN
China
Prior art keywords
chain
connector
observation
detection
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202023108286.5U
Other languages
Chinese (zh)
Inventor
韩广辉
樊江燕
尚晓东
谢晓辉
周生启
郭双喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Ona Electronic Technology Co ltd
Original Assignee
Guangzhou Ona Electronic Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Ona Electronic Technology Co ltd filed Critical Guangzhou Ona Electronic Technology Co ltd
Priority to CN202023108286.5U priority Critical patent/CN214666960U/en
Application granted granted Critical
Publication of CN214666960U publication Critical patent/CN214666960U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The utility model discloses a chain type TD (time division) observation instrument, which comprises a shell, a detection unit and a control module; the shell is provided with a waterproof bin and a detection cavity, and two ends of the shell are respectively provided with a first connecting head; the control module is arranged in the waterproof bin, the detection unit is electrically connected with the control module, the detection working part of the detection unit is arranged in the detection cavity, and the detection cavity is communicated with the outside. Sequentially connecting a plurality of chain type TD observators in series through first connecting heads arranged at two ends of a shell, or connecting the plurality of chain type TD observators in series through middle cables; then the seawater is thrown into a sea area to be observed, the seawater can enter a detection chamber to contact with a detection working part of a detection unit, and the detection unit finishes the detection of the seawater; because a plurality of chain type TD observation instruments are connected in series for use, after the observation instruments are put into seawater, the observation instruments naturally and sequentially fall on a sea area profile, and therefore hydrological data of seawater at different depth positions can be measured.

Description

Chain type TD observation instrument and TD observation chain
Technical Field
The utility model relates to a chain TD visulizer.
Background
The salinity, temperature and the like of seawater are the most basic ocean information parameters which are desired to be acquired by ocean researchers, the probe measurement technology is a common technical means for acquiring the parameters, and the probe measurement technology is the most basic measurement technology for researching and applying ocean resources.
With the arrival of the ocean century, the probe measurement technology is more and more popular in all countries of the world, and has a large market in China and internationally. At present, a detection head is usually adopted to measure seawater at different depth positions for many times through manual or electric auxiliary power of manpower, and the defect of overlong working hours exists because the seawater at different depth positions cannot be measured simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a chain TD visulizer solves one or more among the above-mentioned prior art problem.
According to an aspect of the present invention, there is provided a chain TD observation instrument, comprising a housing, a detection unit and a control module; the shell is provided with a waterproof bin and a detection cavity, and two ends of the shell are respectively provided with a first connecting head; the control module is arranged in the waterproof bin, the detection unit is electrically connected with the control module, the detection working part of the detection unit is arranged in the detection cavity, and the detection cavity is communicated with the outside.
Therefore, when the chain type TD observation instrument is used, a plurality of chain type TD observation instruments are sequentially connected in series through first connecting joints arranged at two ends of a shell, or are connected in series through middle cables; then the sea water is thrown into a sea area to be observed, as the detection working part of the detection unit is arranged in the detection chamber, and the detection chamber is communicated with the outside, the sea water can enter the detection chamber to contact with the detection working part of the detection unit, the detection unit finishes the detection of the sea water, and then the hydrological data is transmitted to the control module; meanwhile, as a plurality of chain type TD observation instruments are connected in series for use, after the observation instruments are put into seawater, the observation instruments naturally and sequentially fall on a sea area profile, so that hydrological data of seawater at different depth positions can be measured, and the measuring working hours are shortened.
In some embodiments, the detection unit comprises a probe body and a temperature sensor; the probe body is provided with an accommodating cavity, and the temperature sensor is arranged in the accommodating cavity; the probe body is arranged on the shell, and the part of the probe body where the temperature sensor is arranged extends into the detection chamber; the temperature sensor is in electric signal connection with the control module.
When using, because the detection cavity on the casing link up with the external world mutually, the sea water can enter into in the detection cavity for the detection, because the position at temperature-sensing ware place extends to in the detection cavity on the probe body, the temperature of sea water conducts through the probe body and sets up on holding the temperature-sensing ware of intracavity, then temperature-sensing ware gives control module with the temperature numerical value transmission that measures, has simple structure, convenient to use's characteristics.
In some embodiments, the detection unit further includes a resistance strain column, the resistance strain column is embedded in the accommodating cavity of the probe body, and the resistance strain column abuts against the inner wall of the accommodating cavity; the resistance strain column is in electric signal connection with the control module.
Therefore, when the probe body is immersed in seawater, the pressure of the seawater can extrude the probe body, and accordingly the resistance strain column is abutted to the inner wall of the accommodating cavity and is correspondingly extruded to deform, so that the resistance value of the resistance strain column can change, then the control module calculates the pressure value of the seawater through the resistance value through a built-in algorithm, and then calculates the depth value through the built-in algorithm.
According to an aspect of the present invention, there is provided a TD observation chain, comprising a chain TD observation instrument, a chain cable and a second connector; the two ends of the chain cable are respectively provided with a second connector, and the second connectors are locked and matched with the first connectors; the chain type TD observation instrument and the chain cable are sequentially and alternately connected with the first connector through the second connector.
Therefore, the chain type TD observation instrument and the chain cable can be sequentially and alternately connected in series according to the preset length through the locking connection of the second connector and the first connector so as to measure the sea area with the preset depth; meanwhile, when in transportation or storage, the chain cable and the chain TD observation instrument are separated, so that the advantages of saving occupied space and being convenient to transport and store are achieved; in addition, the chain cable can also be made of flexible materials, so that the TD observation chain can be wound on the wheel type winding and unwinding device, and the TD observation chain winding and unwinding device has the characteristic of simplicity and convenience in operation.
In some embodiments, further comprising a first electrical signal line and a second electrical signal line; the first electric signal circuit is arranged on the shell and extends to two ends of the shell, and the first electric signal circuit is electrically connected with the control module; the second electric signal line is arranged on the chain cable; and the second electrical signal line extends to both ends of the chain cable; the first electrical signal line is electrically connected to the second electrical signal line.
Therefore, after the chain type TD observators and the chain cable are sequentially and alternately connected in series, as the first electric signal circuit and the second electric signal circuit realize conductive transmission and the first electric signal circuit is electrically connected with the control module, the first electric signal circuit or the second electric signal circuit on the tail end (the end which is not put into seawater) of the TD observation chain can be electrically connected with the monitoring terminal computer, the monitoring terminal computer supplies power to the control module on the whole TD observation chain and provides electric signal communication, and the monitoring terminal computer can monitor and record hydrological information detected by the chain type TD observers at different depth positions in real time.
In some embodiments, further comprising a first terminal pad, a first terminal, a second terminal pad, and a second terminal; the first terminals are arranged on the first terminal disks, the first terminal disks are arranged at two ends of the shell, and the first electric signal circuit is electrically connected with the first terminals; the second terminals are arranged on the second terminal discs, the second terminal discs are arranged at the two ends of the chain cable, and the second electric signal circuit is electrically connected with the second terminals; when the second connector is connected with the first connector in a locking mode, the first terminal and the second terminal are in contact in an abutting conducting mode.
Like this, all set up first terminal dish through the both ends at the casing, the both ends of chain cable all set up the second terminal dish, and chain TD visulizer and chain cable concatenate the back in turn in proper order, and the first terminal on the first terminal dish offsets electrically conductive contact with the second terminal on the second terminal dish, has realized promptly that first signal of telecommunication circuit and second signal of telecommunication circuit transmit the setting, has simple structure, assembles convenient characteristics.
In some embodiments, further comprising a lock nut, the lock nut being provided with an inner flange; the periphery of the first connecting head is provided with an external thread part matched with the locking nut; an outer flange matched with the inner flange in a clamping manner is arranged on the periphery of the second connector; the locking nut is sleeved on the chain cable, and the locking nut is screwed with the external thread part of the first connector to pull the second connector to be connected with the first connector in a locking mode.
In this way, when the locking nut is screwed with the external thread part of the first connector, the internal flange on the locking nut pulls the external flange of the second connector, so that the locking nut pulls the second connector to be locked with the first connector.
In some embodiments, a waterproof rubber layer is arranged on the periphery of the chain cable, an annular groove is arranged on the periphery of the second connector, and the waterproof rubber layer is embedded into the annular groove; the second connector is also provided with a through hole for the second electric signal circuit to pass through.
Therefore, the annular groove is formed in the periphery of the second connector, and the waterproof rubber layer laid on the periphery of the chain cable can be embedded into the annular groove during production, so that the waterproof rubber layer is not easy to fall off from the chain cable, and the waterproof rubber layer can enhance the waterproof performance and the wear resistance of the chain cable; in addition, the second electric signal circuit can penetrate through the second connector through the through hole, can be buried inside the chain cable, can be prevented from being scratched when in use, and has the characteristic of compact structure.
In some embodiments, the cable further comprises a kevlar fiber reinforced cable, the kevlar fiber reinforced cable is arranged in the chain cable, and the second connectors arranged at both ends of the chain cable are connected with the kevlar fibers.
Like this, through setting up Kevlar fibre reinforced cable in the chain cable, and the second connector at the both ends of chain cable all is connected with Kevlar fibre, has strengthened the anti ability of drawing of chain cable for the chain cable is difficult for the fracture.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic half-section view of FIG. 1;
FIG. 3 is a schematic diagram of a portion of a TD observation chain using the chain TD viewer of FIG. 1;
FIG. 4 is a schematic half-section view of FIG. 3;
FIG. 5 is a cross-sectional view of the TD observation chain of FIG. 4 after assembly;
FIG. 6 is a perspective view of the TD observation chain shown in FIG. 3;
FIG. 7 is a schematic diagram of an exploded view of the TD observation chain of FIG. 6;
FIG. 8 is a schematic view of another exploded view of the TD observation chain shown in FIG. 6;
FIG. 9 is a schematic diagram of another exploded view of the TD observation chain shown in FIG. 6.
Reference numerals:
1-shell, 11-waterproof bin, 12-detection chamber, 13-first connector, 2-detection unit, 21-probe body, 22-temperature sensor, 23-resistance strain column, 3-chain cable, 31-second connector, 4-first electric signal circuit, 5-second electric signal circuit, 41-first terminal disc, 411-first terminal, 51-second terminal disc, 511-second terminal, 6-locking nut, 311-waterproof rubber layer, 312-annular groove, 313-through hole, 32-Kevlar fiber reinforced cable
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 to 2 schematically show the structure of a chain TD observation instrument according to an embodiment of the present invention.
As shown in fig. 1 to 2, the chain TD viewer includes a housing 1, a detection unit 2, and a control module; wherein, the shell 1 is provided with a waterproof bin 11 and a detection chamber 12, and two ends of the shell 1 are respectively provided with a first connector 13; control module sets up in waterproof storehouse 11, and detecting element 2 is connected with control module is automatically controlled, and detecting element 2's detection work portion sets up in detecting cavity 12, and detecting cavity 12 link up with the external world mutually.
Thus, when in use, a plurality of the present chain type TD observers are connected in series in sequence through the first connecting joints 13 arranged at the two ends of the shell 1, or connected in series through the intermediate cables; then the seawater is thrown into the sea area to be observed, as the detection working part of the detection unit 2 is arranged in the detection chamber 12, and the detection chamber 12 is communicated with the outside, the seawater can enter the detection chamber 12 to contact with the detection working part of the detection unit 2, the detection unit 2 finishes the detection of the seawater, and then the hydrological data is transmitted to the control module; meanwhile, as a plurality of chain type TD observation instruments are connected in series for use, after the observation instruments are put into seawater, the observation instruments naturally and sequentially fall on a sea area profile, so that hydrological data of seawater at different depth positions can be measured, and the measuring working hours are shortened.
In detail, in the present embodiment, the detecting unit 2 includes a probe body 21 and a temperature sensor 22; wherein, the probe body 21 is provided with a containing cavity, and the temperature sensor 22 is arranged in the containing cavity; the probe body 21 is arranged on the shell 1, and the part of the probe body 21 where the temperature sensor 22 is located extends into the detection chamber 12; the temperature sensor 22 is in electrical signal connection with the control module.
Like this, when using, because detection cavity 12 on the casing 1 link up with the external world mutually, the sea water can enter into detection cavity 12 in order to detect, because the position at temperature-sensing ware 22 place extends to in detection cavity 12 on the probe body 21, the temperature of sea water is conducted through probe body 21 and is set up on holding the temperature-sensing ware 22 of intracavity, then temperature-sensing ware 22 transmits the temperature value who measures for control module, has simple structure, convenient to use's characteristics.
In this embodiment, the detecting unit 2 further includes a resistance strain column 23, the resistance strain column 23 is embedded in the accommodating cavity of the probe body 21, and the resistance strain column 23 abuts against the inner wall of the accommodating cavity; the resistance strain column 23 is in electrical signal connection with the control module.
Therefore, when the probe body 21 is immersed in seawater, the pressure of the seawater can extrude the probe body 21, and accordingly, the resistance strain column 23 is abutted to the inner wall of the accommodating cavity and accordingly the resistance strain column 23 is extruded to deform, so that the resistance value of the resistance strain column 23 changes, then the control module calculates the pressure value of the seawater through the resistance value through a built-in algorithm, and then calculates the depth value through the built-in algorithm.
As shown in fig. 3 to 9, a TD observation chain includes the chain TD visualizer, a chain cable 3 and a second connecting head 31; the two ends of the chain cable 3 are both provided with a second connector 31, and the second connector 31 is locked and matched with the first connector 13; the chain type TD observation instrument and the chain cable 3 are sequentially and alternately connected with the first connecting head 13 through the second connecting head 31.
Thus, through the locking connection of the second connector 31 and the first connector 13, the chain type TD observation instrument and the chain cable 3 can be sequentially and alternately connected in series according to a preset length so as to measure the sea area with a preset depth; meanwhile, when in transportation or storage, the chain cable 3 and the chain TD observation instrument are separated, so that the advantages of saving occupied space and being convenient to transport and store are achieved; in addition, the chain cable 3 can also be made of flexible materials, so that the TD observation chain can be wound on the wheel type winding and unwinding device, and the TD observation chain winding and unwinding device has the characteristic of being simple and convenient to operate.
In the present embodiment, a first electrical signal line 4 and a second electrical signal line 5 are further included; the first electric signal circuit 4 is arranged on the shell 1, the first electric signal circuit 4 extends to two ends of the shell 1, and the first electric signal circuit 4 is electrically connected with the control module; the second electrical signal line 5 is arranged on the chain cable 3; and the second electrical signal line 5 extends to both ends of the chain cable 3; the first electrical signal line 4 is arranged electrically conductively with the second electrical signal line 5.
Therefore, after the chain type TD observation instrument and the chain cable 3 are sequentially and alternately connected in series, as the first electric signal circuit 4 and the second electric signal circuit 5 realize conductive transmission, and the first electric signal circuit 4 is electrically connected with the control module, the first electric signal circuit 4 or the second electric signal circuit 5 on the tail end (the end which is not put into seawater) of the TD observation chain can be electrically connected with the monitoring terminal computer, the monitoring terminal computer supplies power to the control module on the whole TD observation chain and provides electric signal communication, and the monitoring terminal computer can monitor and record hydrological information detected by the chain type TD observation instrument at different depth positions in real time.
As shown in fig. 4 to 9, in the present embodiment, a first terminal pad 41, a first terminal 411, a second terminal pad 51, and a second terminal 511 are further included; the first terminals 411 are arranged on the first terminal plate 41, the first terminal plate 41 is arranged at both ends of the housing 1, and the first electrical signal line 4 is electrically connected with the first terminals 411; the second terminals 511 are arranged on the second terminal plate 51, the second terminal plate 51 is provided at both ends of the chain cable 3, and the second electrical signal line 5 is electrically connected to the second terminals 511; when the second connector 31 is locked with the first connector 13, the first terminal 411 and the second terminal 511 are contacted with each other in an electrically conductive manner.
Like this, all set up first terminal dish 41 through the both ends at casing 1, the both ends of chain cable 3 all set up second terminal dish 51, chain TD visulizer and chain cable 3 concatenate the back in proper order in turn, and first terminal 411 on the first terminal dish 41 offsets electrically conductive contact with the second terminal 511 on the second terminal dish 51, has realized promptly that first electric signal circuit 4 passes through the electric setting with second electric signal circuit 5, has simple structure, the convenient characteristics of equipment.
In the embodiment, the locking device further comprises a locking nut 6, wherein the locking nut 6 is provided with an inner flange; the outer periphery of the first connecting head 13 is provided with an external thread part matched with the locking nut 6; an outer flange in clamping fit with the inner flange is arranged on the periphery of the second connector 31; the lock nut 6 is fitted over the chain cable 3, and by screwing the lock nut 6 to the external thread portion of the first joint 13, the lock nut 6 pulls the second joint 31 to be locked to the first joint 13.
In this way, when the locknut 6 is screwed to the external thread of the first connector 13 during assembly, the internal flange of the locknut 6 pulls the external flange of the second connector 31, and the locknut 6 pulls the second connector 31 into locking connection with the first connector 13.
In this embodiment, the outer periphery of the chain cable 3 is provided with a waterproof rubber layer 311, the outer periphery of the second connector 31 is provided with an annular groove 312, and the waterproof rubber layer 311 is embedded in the annular groove 312; the second connector 31 is further provided with a through hole 313 for the second electrical signal line 5 to pass through.
Thus, the annular groove 312 is formed in the periphery of the second connector 31, and the waterproof rubber layer 311 laid on the periphery of the chain cable 3 can be embedded into the annular groove 312 during production, so that the waterproof rubber layer 311 is not easy to fall off from the chain cable 3, and the waterproof rubber layer 311 can enhance the waterproof performance and the wear resistance of the chain cable 3; in addition, the second electrical signal line 5 can pass through the second connector 31 through the through hole 313, and the second electrical signal line 5 can be buried inside the chain cable 3, so that the second electrical signal line 5 can be prevented from being damaged by scraping in use, and the structure is compact.
In this embodiment, the cable further includes a kevlar fiber reinforced cable 32, the kevlar fiber reinforced cable 32 is disposed in the chain cable 3, and the second connectors 31 disposed at two ends of the chain cable 3 are both connected with kevlar fibers.
Like this, through setting up Kevlar fibre reinforced cable 32 in chain cable 3, and the second connector 31 at the both ends of chain cable 3 all is connected with Kevlar fibre, has strengthened the anti ability of pulling of chain cable 3, makes chain cable 3 difficult fracture.
What has been described above is only one embodiment of the present invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (9)

1. Chain TD visulizer, its characterized in that: comprises a shell, a detection unit and a control module;
the shell is provided with a waterproof bin and a detection cavity, and two ends of the shell are respectively provided with a first connecting head;
the control module is arranged in the waterproof bin, the detection unit is electrically connected with the control module, the detection working part of the detection unit is arranged in the detection cavity, and the detection cavity is communicated with the outside.
2. The chain TD viewer of claim 1, wherein: the detection unit comprises a probe body and a temperature sensor;
the probe body is provided with an accommodating cavity, and the temperature sensor is arranged in the accommodating cavity;
the probe body is arranged on the shell, and the part of the probe body where the temperature sensor is arranged extends into the detection chamber;
the temperature sensor is in electric signal connection with the control module.
3. The chain TD viewer of claim 2, wherein: the detection unit further comprises a resistance strain column, the resistance strain column is embedded in the accommodating cavity of the probe body and is abutted against the inner wall of the accommodating cavity;
and the resistance strain column is in electrical signal connection with the control module.
A TD observation chain, characterized in that: comprising the chain TD viewer of any one of claims 1-3, a chain cable and a second connector;
the two ends of the chain cable are both provided with the second connectors, and the second connectors are locked and matched with the first connectors;
the chain TD observation instrument and the chain cable are sequentially and alternately connected and arranged through the second connector and the first connector.
5. The TD observation chain according to claim 4, wherein: the circuit also comprises a first electric signal line and a second electric signal line;
the first electric signal circuit is arranged on the shell and extends to two ends of the shell, and the first electric signal circuit is electrically connected with the control module;
the second electrical signal line is arranged on the chain cable; and a second electrical signal line extends to both ends of the chain cable;
the first electrical signal line is in electrical communication with the second electrical signal line.
6. The TD observation chain according to claim 5, wherein: the device also comprises a first terminal disk, a first terminal, a second terminal disk and a second terminal;
the first terminals are arranged on the first terminal disks, the first terminal disks are arranged at two ends of the shell, and the first electric signal circuit is electrically connected with the first terminals;
the second terminals are arranged on the second terminal discs, the second terminal discs are arranged at two ends of the chain cable, and the second electric signal lines are electrically connected with the second terminals;
when the second connector is in locking connection with the first connector, the first terminal and the second terminal are in contact in an abutting conductive manner.
7. The TD observation chain according to claim 6, wherein: the locking nut is provided with an inner flange;
the periphery of the first connecting head is provided with an external thread part matched with the locking nut;
an outer flange in clamping fit with the inner flange is arranged on the periphery of the second connector;
the locking nut is sleeved on the chain cable, and the locking nut is screwed with the external thread part of the first connector to pull the second connector to be in locking connection with the first connector.
8. The TD observation chain according to claim 7, wherein: a waterproof rubber layer is arranged on the periphery of the chain cable, an annular groove is formed in the periphery of the second connector, and the waterproof rubber layer is embedded into the annular groove;
and the second connecting head is also provided with a through hole for the second electric signal circuit to pass through.
9. The TD observation chain according to any one of claims 4-8, wherein: the cable is characterized by further comprising Kevlar fiber reinforced cables, wherein the Kevlar fiber reinforced cables are arranged in the chain cables, and the second connectors arranged at the two ends of the chain cables are connected with Kevlar fibers.
CN202023108286.5U 2020-12-21 2020-12-21 Chain type TD observation instrument and TD observation chain Active CN214666960U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023108286.5U CN214666960U (en) 2020-12-21 2020-12-21 Chain type TD observation instrument and TD observation chain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023108286.5U CN214666960U (en) 2020-12-21 2020-12-21 Chain type TD observation instrument and TD observation chain

Publications (1)

Publication Number Publication Date
CN214666960U true CN214666960U (en) 2021-11-09

Family

ID=78501701

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023108286.5U Active CN214666960U (en) 2020-12-21 2020-12-21 Chain type TD observation instrument and TD observation chain

Country Status (1)

Country Link
CN (1) CN214666960U (en)

Similar Documents

Publication Publication Date Title
US7793559B2 (en) Monitoring probes and methods of use
JPH05507975A (en) Video logging device with remote power supply
CA2541542A1 (en) Composite riser with integrity monitoring apparatus and method
JP2017535019A5 (en)
CN112291007B (en) Distributed optical fiber automatic monitoring system
CN112130267A (en) Submarine optical cable connection box
CN214666960U (en) Chain type TD observation instrument and TD observation chain
US4526430A (en) Marine seismic cable connector
US6158276A (en) Apparatus for measuring and recording data from boreholes
CA3231793A1 (en) Cable monitoring apparatus and method
JPH0440674B2 (en)
CN112729385A (en) Chain type TD observation instrument
CN214252662U (en) Submarine optical cable connection box
CN114705322A (en) Temperature chain and method of use thereof
US7825365B2 (en) Fiber-optic harness testing apparatus and related methods
WO1998059229A3 (en) Pod monitor for use in a controlled environment
WO2021036611A1 (en) Online temperature monitoring system for deep well-type grounding electrode
CN1971223B (en) Temperature measuring cable
CN201111993Y (en) Intelligent monitoring type power cable
CN209416530U (en) It is a kind of for detecting the wireless temperature measuring device of food temperature
CN214124263U (en) Temperature chain
CN217980573U (en) Armored temperature measuring cable with replaceable temperature measuring element
CN201178226Y (en) Public needle terminal connector plug for communication cable connection
CN113917289B (en) Solid cable testing device and method
JP3837414B2 (en) Connection box

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant