CN113494969A - Composite wireless temperature measuring sensor and mounting method thereof - Google Patents
Composite wireless temperature measuring sensor and mounting method thereof Download PDFInfo
- Publication number
- CN113494969A CN113494969A CN202110690013.6A CN202110690013A CN113494969A CN 113494969 A CN113494969 A CN 113494969A CN 202110690013 A CN202110690013 A CN 202110690013A CN 113494969 A CN113494969 A CN 113494969A
- Authority
- CN
- China
- Prior art keywords
- piece
- sensor
- temperature
- temperature sensing
- block
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention provides a composite wireless temperature sensor and an installation method thereof, wherein the composite wireless temperature sensor comprises: the temperature sensor comprises at least two sensor bodies and a control body, wherein the sensor bodies comprise temperature sensing bodies and the control body which are electrically connected, the sensor bodies are used for realizing active temperature measurement or passive temperature measurement, the temperature sensing bodies are used for measuring temperature, and the control body is used for signal conversion and data uploading; the fixing mechanism comprises a fixing block, a corrugated pipe, a rotating assembly and a spring assembly which are oppositely arranged, two ends of the corrugated pipe are respectively connected with the fixing block and the rotating assembly and are used for realizing the angle adjustment between the fixing block and the rotating assembly, a clamping groove is formed in the fixing block, the control body is embedded in the clamping groove, two ends of the spring assembly are respectively and alternately connected with one end, far away from the corrugated pipe, of the corresponding fixing block in a penetrating manner and are used for realizing the clamping of the fixing mechanism; and the at least two fastening mechanisms comprise side plates, a plurality of fastening blocks, a plurality of clamping balls and a plurality of special-shaped springs. The invention realizes multi-position temperature measurement of the piece to be measured through the fixing mechanism, has diversified data, and is convenient and practical to assemble and disassemble.
Description
Technical Field
The invention belongs to the technical field of temperature measurement sensors, and particularly relates to a composite wireless temperature measurement sensor and an installation method thereof.
Background
The wireless temperature measurement sensor is composed of a lithium battery, an MCU, a temperature sensor and an RF module, adopts a full-digital working mode and is used for solving the problem of online temperature detection of equipment. The wireless temperature measuring sensor is suitable for temperature monitoring of contacts, busbars and other electrical contacts of high-voltage equipment such as high-voltage switch cabinets, transformers, high-voltage cables and the like in the industries of electric power, steel, mining, petrochemical engineering and the like. The commonly used monitoring positions are as follows: the three-side bushing of main transformer, all kinds of fastener, switch, wall bushing, cable joint, condenser surface, switch, contactor contact, generating line tie point, each tie point in the cubical switchboard, all kinds of high-low voltage equipment have contact resistance's tie point, other positions etc..
In the prior art, the wireless temperature measurement sensor is mostly fixed on the outer side of the piece to be measured by adopting a binding band, and the wireless temperature measurement sensor is inserted into the piece to be measured by a single contact to measure the temperature. If the patent with the publication number of CN207074088U discloses a wireless temperature measurement sensor for electric contacts, the sensor is fixed on the electric contacts through the fastening of a fixing band and an elastic band in a fixing component, and auxiliary tools are not needed during installation, so that the sensor is convenient and flexible. But it can carry out the temperature measurement to the fixed position of electrical contact, and data are single and only be applicable to the piece that awaits measuring that the temperature measurement area is less, and application scope is less.
Disclosure of Invention
The invention aims to provide a composite wireless temperature measurement sensor and an installation method thereof, which realize multi-position temperature measurement of a to-be-measured piece through a fixing mechanism, have diversified data, are convenient to assemble and disassemble and are practical.
The invention provides the following technical scheme:
the application provides a compound wireless temperature measurement sensor, includes:
the temperature sensor comprises at least two sensor bodies and a control body, wherein the sensor bodies comprise temperature sensing bodies and the control body which are electrically connected, the sensor bodies are used for realizing active temperature measurement or passive temperature measurement, the temperature sensing bodies are used for measuring temperature, and the control body is used for signal conversion and data uploading;
the fixing mechanism comprises a fixing block, a corrugated pipe, a rotating assembly and a spring assembly which are oppositely arranged, two ends of the corrugated pipe are respectively connected with the fixing block and the rotating assembly and are used for realizing the angle adjustability between the fixing block and the rotating assembly, a clamping groove is formed in the fixing block, the control body is embedded in the clamping groove, and two ends of the spring assembly are respectively inserted and connected with one end, far away from the corrugated pipe, of the corresponding fixing block and are used for realizing the clamping of the fixing mechanism;
at least two fastening device, including curb plate, a plurality of fastening block, a plurality of card ball and a plurality of contour spring, the temperature sensing body is located to the curb plate and is kept away from fixed establishment one side, the curb plate is located to the fastening block and the relative one side of temperature sensing body, the fastening block outside is located to the card ball, contour spring passes adjacent card ball and forms closed ring and is used for pressing from both sides tight piece that awaits measuring.
Preferentially, be equipped with power module in the control body and include battery, stand-by power supply and female the inserting, battery and stand-by power supply parallel connection, stand-by power supply connects female the inserting.
Preferentially, the fixing block is provided with a heat conducting block on the side opposite to the clamping groove, and heat-radiating silica gel is arranged on the outer side of the heat conducting block.
Preferably, the heat conducting block is provided with a through hole, and the female plug penetrates through the through hole to be connected with an external power supply.
Preferentially, the rotating assembly comprises a first fixing rod and a second fixing rod, a containing cavity is formed in the first fixing rod, a sliding groove is formed in the side, opposite to the inner wall of the containing cavity, of the sliding groove, the sliding groove is close to the opening of the containing cavity, a sliding block is oppositely arranged at one end, close to the first fixing rod, of the second fixing rod, the sliding block is arranged in the sliding groove in a sliding mode and clamped, and the first fixing rod is rotatably connected with the second fixing rod.
Preferably, the cross section of the sliding block is in a T shape, and the diameter of the side far away from the two fixed rods is larger than the diameter of the side close to the two fixed rods.
Preferentially, hooks are arranged at two ends of each special-shaped spring, and the special-shaped springs penetrate through the clamping balls and then are connected with the adjacent special-shaped springs through the hooks.
Preferentially, the temperature sensing body is dull and stereotyped or arc, curb plate and the relative one side of temperature sensing body are equipped with the bottom plate the same with the temperature sensing body shape, the bottom plate is kept away from to the fastening block and is equipped with the interval between curb plate one side and the adjacent fastening block, the fastening block is kept away from curb plate one end and is equipped with the dop, and is used for pressing from both sides through the fastener and tightly awaits measuring.
Based on the compound wireless temperature sensor, the application also provides an installation method using the compound wireless temperature sensor, which comprises the following steps:
s1, selecting the shape of a temperature sensing body according to the section shape of a piece to be detected, wherein if the piece to be detected is a square cylinder, a flat plate temperature sensing body is adopted, and if the piece to be detected is a cylinder, an arc temperature sensing body is adopted;
s2, selecting the power supply mode of the power supply modules of the control bodies on the two sides to be active or passive according to the use scene;
s3, pushing a second fixing rod to clamp the sliding block in the leakage groove, rotationally lengthening or shortening the corrugated pipe according to the measuring position of the piece to be measured, and adjusting the angle between the first fixing rod and the second fixing rod;
s4, determining the number of the special-shaped springs according to the diameter of the piece to be detected;
s5, sequentially penetrating a to-be-measured piece through a fastening block, a bottom plate, a side plate and a temperature sensing body, connecting hooks at two ends of a closed loop formed by the special-shaped springs, penetrating a fastening piece through the fastening block and clamping the fastening piece by a clamping head, splicing a plurality of fastening blocks to form an external protection structure of the to-be-measured piece, reinforcing the to-be-measured piece, enabling the temperature sensing body to be attached to the outer wall of the to-be-measured piece, and measuring temperature from multiple positions;
and S6, the temperature sensing body uploads the measurement data to the control body, and the control body converts and transmits the temperature signal.
The invention has the beneficial effects that:
1. through the matching of the rotating assembly, the corrugated pipe and the fixed block, the temperature of different parts of the to-be-detected piece is measured by adopting at least two sensor bodies, the highest temperature, the lowest temperature and the average temperature of the to-be-detected piece are obtained through comparison, data are diversified, and the sensor body on one side can be selected as a standby sensor, so that the service life is prolonged, meanwhile, the sensor body can select an active mode or a passive mode according to an actual application scene, and the sensor is practical and convenient to use;
2. the piece to be measured passes fastening block, bottom plate, curb plate and temperature sensing body in proper order, and the outside protective structure of fastening block concatenation formation to consolidate through fastener, closed loop's special-shaped spring and spring assembly, it is convenient to load and unload.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a sensor body attachment of the present invention;
FIG. 2 is a schematic view of the connection of the rotating assembly of the present invention;
FIG. 3 is a schematic view of the slider attachment of the present invention;
fig. 4 is a schematic view of the fastening mechanism connection of the present invention.
Labeled as: 1. the temperature-sensing sensor comprises a sensor body, 11, a temperature-sensing body, 12, a control body, 13, a power module, 131, a female plug, 2, a fixing mechanism, 21, a fixing block, 211, a clamping groove, 212, a heat-conducting block, 213, a through hole, 22, a corrugated pipe, 23, a spring assembly, 3, a rotating assembly, 31, a first fixing rod, 311, a sliding groove, 312, a leakage groove, 32, a second fixing rod, 321, a sliding block, 4, a fastening mechanism, 41, a side plate, 42, a fastening block, 421, a clamping head, 43, a clamping ball, 44, a special-shaped spring, 441, a hook and 45, and a bottom plate.
Detailed Description
Example one
The application provides a compound wireless temperature measurement sensor, includes:
as shown in fig. 1, at least two sensor bodies 1 include a temperature sensing body 11 and a control body 12 which are electrically connected, the sensor bodies 1 are used for measuring temperature, the temperature sensing body 11 is used for measuring temperature, and the control body 12 is used for signal conversion and data uploading. The control body 12 is internally provided with a power module 13 and comprises a battery, a standby power supply and a female plug 131, wherein the battery is connected with the standby power supply in parallel, and the standby power supply is connected with the female plug 131. The temperature sensing body 11 is flat or arc.
As shown in fig. 1-3, the fixing mechanism 2 includes a fixing block 21, a bellows 22, a rotating component 3 and a spring component 23, which are oppositely disposed, two ends of the bellows 22 are respectively connected to the fixing block 21 and the rotating component 3 and are used for adjusting an angle between the fixing block 21 and the rotating component 3, a clamping groove 211 is disposed in the fixing block 21, the control body 12 is embedded in the clamping groove 211, and two ends of the spring component 23 are respectively inserted and connected with one end of the fixing block 21, which is far away from the bellows 22, and are used for clamping the fixing mechanism 2. The rotating assembly 3 comprises a first fixing rod 31 and a second fixing rod 32, an accommodating cavity is arranged in the first fixing rod 31, a sliding groove 311 is formed in the side opposite to the inner wall of the accommodating cavity, a leakage groove 312 is formed in the position, close to an opening of the accommodating cavity, of the sliding groove 311, a sliding block 321 is oppositely arranged at one end, close to the first fixing rod 31, of the second fixing rod 32, the sliding block 321 slides in the sliding groove 311 and is clamped in the leakage groove 312, and the first fixing rod 31 is rotatably connected with the second fixing rod 32.
As shown in fig. 4, the at least two fastening mechanisms 4 include a side plate 41, a plurality of fastening blocks 42, a plurality of clamping balls 43 and a plurality of shaped springs 44, the side plate 41 is disposed on one side of the temperature-sensitive body 11 away from the fixing mechanism 2, the fastening blocks 42 are disposed on one side of the side plate 41 opposite to the temperature-sensitive body 11, the clamping balls 43 are disposed on the outer side of the fastening blocks 42, and the shaped springs 44 penetrate through the adjacent clamping balls 43 to form a closed loop and are used for clamping the to-be-tested piece. The side of the side plate 41 opposite to the temperature-sensitive body 11 is provided with a bottom plate 45 with the same shape as the temperature-sensitive body 11, the fastening block 42 is arranged on one side of the bottom plate 45 far away from the side plate 41, a space is arranged between the adjacent fastening blocks 42, and one end of the fastening block 42 far away from the side plate 41 is provided with a clamping head 421 and is used for clamping a to-be-detected piece through a fastening piece. Hooks 441 are arranged at two ends of each special-shaped spring 44, and after the special-shaped springs 44 penetrate through the clamping balls 43, the adjacent special-shaped springs 44 are connected through the hooks 441.
As shown in fig. 1 to 4, based on the above-mentioned composite wireless temperature sensor, the present application also provides an installation method using the above-mentioned composite wireless temperature sensor, which includes the following steps:
s1, selecting the shape of a temperature sensing body 11 according to the section shape of a piece to be detected, adopting a flat temperature sensing body 11 if the piece to be detected is a square cylinder, and adopting an arc temperature sensing body 11 if the piece to be detected is a cylinder to ensure that the temperature sensing body 11 can be attached to the outer wall of the piece to be detected.
And S2, selecting the power supply mode of the power supply modules 13 of the two side control bodies 12 to be active or passive according to the use scene.
S3, the second fixing rod 32 is pushed, the sliding block 321 is clamped in the leakage groove 312, the corrugated pipe 22 is rotated, lengthened or shortened according to the measuring position of the piece to be measured, the angle between the first fixing rod 31 and the second fixing rod 32 is adjusted, if the piece to be measured is a square cylinder, the angle between the rotatable assemblies 3 can be 90 degrees, 180 degrees and 270 degrees, if the piece to be measured is cylindrical, the angle range between the rotatable assemblies 3 is (0 degree and 360 degrees), and the temperature sensing body 11 can be attached to the outer wall of the piece to be measured.
S4, determining the number of the special-shaped springs 44 according to the diameter of the piece to be tested, wherein the number of the special-shaped springs 44 is generally less than or equal to that of the fastening blocks 42, and fastening the piece to be tested in the radial direction.
S5, the to-be-measured piece sequentially penetrates through the fastening block 42, the bottom plate 45, the side plate 41 and the temperature sensing body 11, hooks 441 at two ends of a closed loop formed by the special-shaped spring 44 are connected, the fastening piece penetrates through the fastening block 42 and the clamping head 421 to clamp the fastening piece, the fastening blocks 42 are spliced to form an external protection structure of the to-be-measured piece, the to-be-measured piece is reinforced, the temperature sensing body 11 is attached to the outer wall of the to-be-measured piece, temperature measurement is carried out from multiple positions, the highest temperature, the lowest temperature and the average temperature of the to-be-measured piece are obtained through measurement, and data are diversified.
S6, the temperature sensing body 11 uploads the measurement data to the control body 12, and the control body 12 carries out temperature signal conversion and transmission.
Example two
As shown in fig. 1 and fig. 3, the present embodiment is different from the first embodiment in that: the fixing block 21 is provided with a heat conducting block 212 on the side opposite to the clamping groove 211, and heat-dissipating silica gel is arranged on the outer side of the heat conducting block 212, so that the control body 12 can dissipate heat conveniently, and the normal work of the control body 12 is prevented from being influenced. The heat conducting block 212 is provided with a through hole 213, and the female plug 131 penetrates through the through hole 213 to be connected with an external power supply, so that active temperature measurement is facilitated. The slider 321 is T-shaped in cross section, and the diameter of the side far away from the second fixing rod 32 is larger than the diameter of the side close to the second fixing rod 32, so that the second fixing rod 32 is prevented from falling off from the first fixing rod 31, and the measuring efficiency is prevented from being influenced.
Other technical features and technical principles of the present embodiment are the same as those of the first embodiment.
EXAMPLE III
The present embodiment is different from the second embodiment in that: the sensor bodies 1 on two sides can be two and are supplied power actively, passively, actively supplied power on one side and passively supplied power on the other side, and are selected according to actual scenes and cost, so that the sensor body has practicability. The sensor body 1 on one side can be selected as a spare sensor, online temperature measurement can be continuously carried out under the condition that the sensor body 1 on the other side is damaged, and the service life is prolonged. Other technical features and technical principles of the present embodiment are the same as those of the first embodiment.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a compound wireless temperature measurement sensor which characterized in that: the method comprises the following steps:
the temperature sensor comprises at least two sensor bodies and a control body, wherein the sensor bodies comprise temperature sensing bodies and the control body which are electrically connected, the sensor bodies are used for realizing active temperature measurement or passive temperature measurement, the temperature sensing bodies are used for measuring temperature, and the control body is used for signal conversion and data uploading;
the fixing mechanism comprises a fixing block, a corrugated pipe, a rotating assembly and a spring assembly which are oppositely arranged, two ends of the corrugated pipe are respectively connected with the fixing block and the rotating assembly and are used for realizing the angle adjustability between the fixing block and the rotating assembly, a clamping groove is formed in the fixing block, the control body is embedded in the clamping groove, and two ends of the spring assembly are respectively inserted and connected with one end, far away from the corrugated pipe, of the corresponding fixing block and are used for realizing the clamping of the fixing mechanism;
at least two fastening device, including curb plate, a plurality of fastening block, a plurality of card ball and a plurality of contour spring, the temperature sensing body is located to the curb plate and is kept away from fixed establishment one side, the curb plate is located to the fastening block and the relative one side of temperature sensing body, the fastening block outside is located to the card ball, contour spring passes adjacent card ball and forms closed ring and is used for pressing from both sides tight piece that awaits measuring.
2. The composite wireless thermometric sensor of claim 1, wherein: the control body is internally provided with a power module and comprises a battery, a standby power supply and a female plug, the battery is connected with the standby power supply in parallel, and the standby power supply is connected with the female plug.
3. The compound wireless thermometric sensor of claim 2, wherein: the fixed block is equipped with the heat conduction piece with draw-in groove opposite side, the heat conduction piece outside is equipped with heat dissipation silica gel.
4. The composite wireless thermometric sensor of claim 3, wherein: the heat conduction block is provided with a through hole, and the female plug penetrates through the through hole to be connected with an external power supply.
5. The composite wireless thermometric sensor of claim 1, wherein: the rotating assembly comprises a first fixing rod and a second fixing rod, a containing cavity is arranged in the first fixing rod, a sliding groove is formed in the side, opposite to the inner wall of the containing cavity, of the sliding groove, a leakage groove is formed in the position, close to the opening of the containing cavity, of the sliding groove, a sliding block is oppositely arranged at one end, close to the first fixing rod, of the second fixing rod, the sliding block is arranged in the leakage groove in a sliding mode and clamped mode, and the first fixing rod is connected with the second fixing rod in a rotating mode.
6. The composite wireless thermometric sensor of claim 5, wherein: the slider cross-section is T shape and keeps away from two side diameters of dead lever and is greater than being close to two side diameters of dead lever.
7. The composite wireless thermometric sensor of claim 1, wherein: the special-shaped spring is characterized in that hooks are arranged at two ends of the special-shaped spring, and the special-shaped spring penetrates through the clamping ball and then is connected with an adjacent special-shaped spring through the hooks.
8. The composite wireless thermometric sensor of claim 1, wherein: the temperature sensing body is flat or arc, the curb plate is equipped with the bottom plate the same with the temperature sensing body shape with the relative one side of temperature sensing body, the bottom plate is located to the fastening block and is kept away from curb plate one side and adjacent fastening block and be equipped with the interval between, the fastening block is kept away from curb plate one end and is equipped with the dop, and is used for pressing from both sides tight piece that awaits measuring through the fastener.
9. An installation method using the composite wireless temperature measurement sensor according to any one of claims 1 to 8, wherein: the method comprises the following steps:
s1, selecting the shape of a temperature sensing body according to the section shape of a piece to be detected, wherein if the piece to be detected is a square cylinder, a flat plate temperature sensing body is adopted, and if the piece to be detected is a cylinder, an arc temperature sensing body is adopted;
s2, selecting the power supply mode of the power supply modules of the control bodies on the two sides to be active or passive according to the use scene;
s3, pushing a second fixing rod to clamp the sliding block in the leakage groove, rotationally lengthening or shortening the corrugated pipe according to the measuring position of the piece to be measured, and adjusting the angle between the first fixing rod and the second fixing rod;
s4, determining the number of the special-shaped springs according to the diameter of the piece to be detected;
s5, sequentially penetrating a to-be-measured piece through a fastening block, a bottom plate, a side plate and a temperature sensing body, connecting hooks at two ends of a closed loop formed by the special-shaped springs, penetrating a fastening piece through the fastening block and clamping the fastening piece by a clamping head, splicing a plurality of fastening blocks to form an external protection structure of the to-be-measured piece, reinforcing the to-be-measured piece, enabling the temperature sensing body to be attached to the outer wall of the to-be-measured piece, and measuring temperature from multiple positions;
and S6, the temperature sensing body uploads the measurement data to the control body, and the control body converts and transmits the temperature signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690013.6A CN113494969A (en) | 2021-06-21 | 2021-06-21 | Composite wireless temperature measuring sensor and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690013.6A CN113494969A (en) | 2021-06-21 | 2021-06-21 | Composite wireless temperature measuring sensor and mounting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113494969A true CN113494969A (en) | 2021-10-12 |
Family
ID=77998065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110690013.6A Pending CN113494969A (en) | 2021-06-21 | 2021-06-21 | Composite wireless temperature measuring sensor and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113494969A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889489A (en) * | 2022-07-13 | 2022-08-12 | 深圳市小樱桃实业有限公司 | Online temperature measuring equipment for emergency power supply of new energy automobile |
| CN116593017A (en) * | 2023-07-18 | 2023-08-15 | 常州恒盾机械科技有限公司 | Mining wireless temperature sensor protection mechanism |
-
2021
- 2021-06-21 CN CN202110690013.6A patent/CN113494969A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889489A (en) * | 2022-07-13 | 2022-08-12 | 深圳市小樱桃实业有限公司 | Online temperature measuring equipment for emergency power supply of new energy automobile |
| CN116593017A (en) * | 2023-07-18 | 2023-08-15 | 常州恒盾机械科技有限公司 | Mining wireless temperature sensor protection mechanism |
| CN116593017B (en) * | 2023-07-18 | 2023-09-19 | 常州恒盾机械科技有限公司 | Mining wireless temperature sensor protection mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113494969A (en) | Composite wireless temperature measuring sensor and mounting method thereof | |
| US9271563B2 (en) | Portable self powered line mountable electric power line current monitoring transmitting and receiving system | |
| US20070084623A1 (en) | Direct current superconducting power transmission cable and system | |
| CN106597301B (en) | High current plane contact electric installation | |
| CN216349180U (en) | Composite wireless temperature measuring sensor | |
| CN210825435U (en) | Flexible connection supporting and insulating device for copper strip of conductive trolley of graphitized internal series furnace | |
| CN115603245B (en) | Intelligent bellows | |
| CN215003985U (en) | Miniature temperature measuring device for power cable intermediate joint | |
| CN216284004U (en) | T-shaped cable joint self-power-taking temperature sensor | |
| CN211293212U (en) | Power transformer detection system | |
| CN215114898U (en) | Mounting structure of wireless temperature measurement sensor | |
| CN207689036U (en) | A kind of temperature-detecting device of the outdoor electrical equipment based on surface acoustic wave | |
| CN206683764U (en) | Temperature-detecting device | |
| CN220851807U (en) | Underground pipe network monitoring equipment | |
| CN216524449U (en) | Wireless temperature sensor of distribution transformer | |
| CN220107554U (en) | Intermediate head with temperature monitoring | |
| CN212110337U (en) | Intelligent infrared temperature measuring equipment for power equipment | |
| CN117405248A (en) | Passive temperature measurement press-fitting structure and system of medium-high voltage converter | |
| CN218272077U (en) | Device for measuring bending performance of narrow surface of high-temperature superconducting tape | |
| CN209198630U (en) | A kind of electric vehicle lithium battery residual service life prediction device | |
| CN219455321U (en) | Wireless temperature measuring device for high-voltage switch cabinet | |
| CN220358712U (en) | Magnetic clamp for cable laying | |
| CN114088248A (en) | Wireless temperature sensor of distribution transformer and use method thereof | |
| CN218994409U (en) | Integrated lora transmission sensor of current temperature | |
| CA2834064C (en) | Portable self powered line mountable electric power line current monitoring transmitting and receiving system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |