CN210464733U - Built-in high-voltage cable contact wireless temperature measuring device - Google Patents
Built-in high-voltage cable contact wireless temperature measuring device Download PDFInfo
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- CN210464733U CN210464733U CN201921446970.9U CN201921446970U CN210464733U CN 210464733 U CN210464733 U CN 210464733U CN 201921446970 U CN201921446970 U CN 201921446970U CN 210464733 U CN210464733 U CN 210464733U
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Abstract
The utility model provides a built-in high-voltage cable contact wireless temperature measuring device, which solves the problems that the wireless temperature measuring device has poor insulation performance, and a temperature measuring component is easy to slide and damage, the temperature detection device comprises a high-voltage electric box, a temperature detection device is arranged in the high-voltage electric box, the temperature detection device comprises a plurality of cable connecting pieces, cable accessories are arranged on the cable connecting pieces and comprise cable joints, the cable joints are connected with sleeve joints, stress cones and insulating plugs, a small head part is arranged at one end of each insulating plug, a large head part is arranged at the other end of each insulating plug, a flanging is arranged on the outer side of the large head part in the axial direction, a connecting pipe is arranged on an end arm on the inner side of the flanging in the circumferential direction and is connected with an end cover, a plurality of air guide holes which correspond to each, and the insulating plug is internally embedded with a temperature sensor, and the circumferential outer side of the temperature sensor is provided with a fastening structure positioned on the inner wall of the insulating plug. The utility model has the advantages of good insulation performance, good temperature measurement effect and the like.
Description
Technical Field
The utility model belongs to the technical field of wireless temperature measurement equipment, concretely relates to built-in high tension cable contact wireless temperature measuring device.
Background
In an industrial system, temperature is an important parameter for representing normal operation of equipment, with the continuous increase of industrial electrical loads, in order to avoid an emergency caused by heating of the equipment, automatic monitoring of temperature becomes an important link of industrial safety production, for example, electrical equipment in operation usually works in a high-voltage and high-current state, some defects in the equipment can cause abnormal temperature rise of equipment components, so that vicious circle of temperature and contact resistance value is caused, and finally the equipment can not work normally or even burn out, combustion, explosion and even equipment damage or quality accident can be caused due to overhigh temperature, some high-voltage electrical equipment is difficult to be found due to limited fault testing means, particularly temperature exceeding points in a switch box and a closed bus, and numerous enterprises advocate preventive maintenance of the equipment, and temperature is the most important monitoring parameter in preventive maintenance, the possibility of fault generation is indicated by overhigh or overlow temperature, and the realization of online temperature monitoring is an important means for ensuring the safe operation of high-voltage equipment. Traditional temperature measurement mode cycle length, construction are complicated, and is inefficient, and the management of being not convenient for consumes a large amount of manpower physics when breaking down and arranges and lay the cable again, and monitoring point dispersion, environment seal or have high voltage under specific occasion, and the unable measurement work that realizes of a lot of temperature measurement modes, so, wireless temperature measurement technique is in the wake of the business. The wireless temperature on-line monitoring system is a high and new technology product integrating advanced sensing technology, digital identification technology, wireless communication technology, low power consumption technology, anti-interference technology and automatic control technology, generally comprises a wireless temperature display instrument, a wireless temperature sensor and a background management system, can realize on-site and remote simultaneous on-line monitoring and early warning on the temperature change condition of equipment under various severe environmental conditions, and is convenient for maintenance personnel to comprehensively and timely master the operation condition of the equipment.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent document discloses a case of a wireless temperature measuring device, and an electric power apparatus [201220545627.1], including an upper case portion and a lower case portion, the upper case portion including an upper portion formed in a partial spherical shape and a lower portion formed in a cylindrical shape, the upper portion smoothly transits with the lower portion, the lower case portion is formed in a cylindrical shape, a plurality of first reinforcing ribs are formed on an outer surface of the upper case portion uniformly distributed along a circumferential direction of the lower portion, and a plurality of second reinforcing ribs are formed on an outer surface of the lower case portion uniformly distributed along the circumferential direction of the lower case portion. The utility model also provides an use wireless temperature measuring device and the power equipment of casing.
Above-mentioned scheme has solved the poor problem of wireless temperature measuring device temperature measurement subassembly insulating nature to a certain extent, but this scheme still has a great deal of not enough, for example, even very firm that its temperature measuring device shell set up, but its inside fixed knot structure is not too perfect, and general temperature measurement subassembly is temperature sensor, and is unset in inside easily drops under the exogenic action, damages even, influences the temperature measurement effect.
Disclosure of Invention
The utility model aims at the above problem, a reasonable in design is provided, insulating nature is high, the effectual built-in wireless temperature measuring device of high tension cable contact of temperature measurement.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the built-in high-voltage cable contact wireless temperature measuring device comprises a high-voltage electric box capable of being opened and closed, wherein a plurality of temperature detecting devices with temperature sensors are arranged in the high-voltage electric box, the outside of the high-voltage electric box is connected with temperature acquisition management equipment, an MCU module connected with the temperature sensors is arranged in the temperature acquisition management equipment, the temperature acquisition management equipment is connected with a network switch, the network switch is connected with a temperature detecting host, a temperature display module connected with the MCU module is arranged in the temperature detecting host, the temperature detecting device comprises a plurality of cable connecting pieces, cable accessories are arranged on the cable connecting pieces, insulating plugs are arranged in the cable accessories, a plurality of air guide holes corresponding to each other are arranged on the outer wall of the middle parts of the insulating plugs, and air guide rods with two ends extending to the outer sides of the insulating plugs penetrate through the air guide holes, and the temperature sensor is embedded in the insulating plug, and a fastening structure positioned on the inner wall of the insulating plug is arranged on the circumferential outer side of the temperature sensor. Built-in insulating plug of cable accessories, set up temperature sensor on the fastening structure in insulating plug, through temperature sensor and real-time detection temperature, temperature sensor's monolithic microprocessor control converts the equipment under test temperature into digital signal by temperature sensor, transmit through the cable junction spare, the air guide rod is the cavity form and is equipped with a plurality of bleeder vents on the pole wall, can press into and derive to both ends in the air guide rod to middle part bleeder vent when gas in the insulating plug and outside formation atmospheric pressure difference, the insulating plug easily takes place not hard up phenomenon under the exogenic action during avoiding great atmospheric pressure difference.
In the above built-in wireless temperature measuring device for high-voltage cable contact, the fastening structure comprises an inner shell which is arranged inside the insulating plug and clings to the inner wall of the insulating plug, an installation groove is arranged in the inner shell, and the temperature sensor is arranged in the installation groove. The temperature sensor is placed in the mounting groove to ensure the mounting firmness of the temperature sensor, and one side of the mounting groove can be provided with a slender threading groove for placing a conductor rod or a wire of the temperature sensor.
In the built-in wireless temperature measuring device for the high-voltage cable contact, the outer side of the circumferential direction of the mounting groove is provided with the convex rib, and the upper end of the convex rib at each side is provided with the limiting block. The convex ribs provide certain installation space for the temperature sensor, and the limiting blocks ensure that the temperature sensor cannot fall off under large vibration.
In the built-in wireless high-voltage cable contact temperature measuring device, the limiting block comprises a connecting surface fixedly connected with the convex rib, vertical surfaces are arranged on two sides of the connecting surface, the vertical surfaces comprise an outer vertical surface positioned on the outer side of the convex rib and an inner vertical surface positioned on the inner side of the convex rib, and a limiting structure is arranged between the outer vertical surface and the inner vertical surface. The stopper has installed temperature sensor after the preference to the mounting groove center protruding, can prevent to a great extent that temperature sensor from droing, the stopper also can wear to establish on protruding muscle, is equipped with the hole of wearing to establish on the protruding muscle, the stopper can be in wearing to establish the hole horizontal slip, can select gliding distance according to temperature sensor's size.
In the above built-in high-voltage cable contact wireless temperature measuring device, the limit structure includes an inclined plane which gradually extends to the inner vertical plane along the top end of the outer vertical plane and is in a downward trend, the inclined plane is connected with an arc-shaped limit hook head, and a limit groove is formed between the arc-shaped limit hook head and the inner vertical plane. Can be caught by the spacing gib head of arc when temperature sensor takes place not hard up, block in the spacing groove and do not deviate from the mounting groove. The foam sheet is arranged at the top end of the notch of the limiting groove or the arc-shaped limiting hook head, so that damage to the temperature sensor caused by accidental falling can be reduced.
In the above built-in wireless temperature measuring device for high-voltage cable contact, the insulating plug is made of one of plastic and rubber.
In the above built-in wireless temperature measuring device for high-voltage cable contact, the cable accessory comprises a T-shaped cable connector, and the cable connector is provided with a mounting hole at each of the left end, the right end and the lower end. The inner side of each mounting hole is provided with a thread or a clamping structure.
In the built-in wireless high-voltage cable contact temperature measuring device, a sleeve connector is connected with a mounting hole at the left end in the mounting hole, a stress cone is arranged in a mounting hole at the lower end in the mounting hole, and the mounting hole at the right end in the mounting hole is connected with the insulating plug through a double-headed screw. One end of the double-head screw is connected with one end of the adapter, and the other end is connected with the insulating plug, so that the insulating plug is better fixed in the cable joint.
In the built-in wireless high-voltage cable contact temperature measuring device, one end of the insulating plug is provided with a small head part, the diameter of the small head part along the axial direction of the insulating plug is gradually increased to form a large head part positioned at the other end of the insulating plug, the axial outer side of the large head part is provided with a flanging turned out towards the outer side of the large head part, the end arm at the circumferential inner side of the flanging is provided with a connecting pipe, and the connecting pipe is connected with an end cover. The connecting pipe is provided with threads, the connecting pipe is in threaded connection with the end cover, the diameter of the flanging end is close to the diameter of the inner side of the cable joint, the inner side of the mounting hole at the right end of the cable joint is provided with a limiting bulge, the insulating plug is limited by the flanging, and the insulating plug is connected more tightly.
In the built-in wireless temperature measuring device for the high-voltage cable contact, one end of the stress cone, which is far away from the cable joint, is connected with a connecting hose, and one end of the connecting hose, which is far away from the stress cone, extends to the bottom end of the high-voltage electric box and is connected with the bottom end of the high-voltage electric box through a plurality of fasteners. The upper end and the lower end of the cable connecting piece are all firmly connected and are not easy to collapse.
Compared with the prior art, the utility model has the advantages of: the wireless temperature measuring device is firm in connection, safe and stable, high in anti-interference performance and convenient to construct and maintain, and potential battery hazards are eliminated; in the wireless temperature measuring device, the insulating plug is arranged in the cable connector, and the temperature sensor in the insulating plug has high insulativity; be equipped with sensor fixed knot structure in this wireless temperature measuring device in the insulating stopper, can prevent that the sensor from droing or taking place the harm, guaranteed wireless temperature measuring device's temperature measurement effect.
Drawings
Fig. 1 is a schematic structural diagram of a cable connector according to the present invention;
fig. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is an exploded view of the cable connector of the present invention;
fig. 4 is a schematic view of the general structure of the insulating plug of the present invention;
FIG. 5 is a schematic view of the internal structure of the middle insulation plug of the present invention;
FIG. 6 is a schematic structural view of the middle stopper of the present invention;
FIG. 7 is a connection block diagram of the working modules of the present invention;
in the figure, the high-voltage electric box 1, the temperature detection device 2, the temperature sensor 21, the cable connector 3, the cable accessory 4, the cable joint 41, the installation hole 42, the bushing interface 43, the double-threaded screw 44, the stress cone 5, the connection hose 51, the fastening structure 6, the inner housing 61, the installation groove 62, the convex rib 63, the limiting block 64, the connection surface 641, the vertical surface 642, the outer vertical surface 643, the inner vertical surface 644, the limiting structure 65, the inclined surface 651, the arc-shaped limiting hook 652, the limiting groove 653, the insulation plug 7, the small head 71, the large head 72, the flange 73, the connection pipe 74, the end cover 75, the air guide hole 76, the air guide rod 77, the temperature acquisition management device 8, the MCU module 81, the network switch 82, the temperature detection host 83 and the temperature display module 84.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-7, the built-in wireless temperature measuring device for high-voltage cable contacts comprises a high-voltage electric box 1 which can be opened and closed, a plurality of temperature detecting devices 2 with temperature sensors 21 are arranged in the high-voltage electric box 1, a temperature collecting and managing device 8 is connected outside the high-voltage electric box 1, an MCU module 81 connected with the temperature sensors 21 is arranged in the temperature collecting and managing device 8, the temperature collecting and managing device 8 is connected with a network switch 82, the network switch 82 is connected with a temperature detecting host 83, a temperature display module 84 connected with the MCU module 81 is arranged in the temperature detecting host 83, the temperature detecting device 2 comprises a plurality of cable connecting pieces 3, cable accessories 4 are arranged on the cable connecting pieces 3, insulating plugs 7 are arranged in the cable accessories 4, a plurality of air guide holes 76 which correspond to each other are arranged on the outer walls of the middle parts of the insulating plugs 7, and air guide, and a temperature sensor 21 is embedded in the insulating plug 7, and a fastening structure 6 positioned on the inner wall of the insulating plug 7 is arranged on the circumferential outer side of the temperature sensor 21. The cable accessory 4 is internally provided with an insulating plug 7, a temperature sensor 21 is arranged on a fastening structure 6 in the insulating plug 7, the temperature is detected in real time through the temperature sensor 21, and a single-chip microprocessor of the temperature sensor 21 controls the temperature of the detected equipment to be converted into a digital signal through the temperature sensor 21 and then conveyed through the cable connecting piece 3. The air guide rod 77 is hollow and has a plurality of air holes on the rod wall, when the air pressure difference is formed between the air in the insulating plug 7 and the outside, the air is pressed into the air holes in the middle and guided out from the two ends along the air guide rod 77, so as to avoid the phenomenon that the insulating plug 7 is easy to loosen under the action of external force under the condition of larger air pressure difference.
Specifically, the fastening structure 6 includes an inner housing 61 disposed inside the insulating plug 7 and closely attached to the inner wall of the insulating plug 7, wherein an installation groove 62 is disposed in the inner housing 61, and the temperature sensor 21 is disposed in the installation groove 62. The temperature sensor 21 is placed in the mounting groove 62 to ensure the mounting firmness of the temperature sensor 21. One side of the mounting groove 62 may be provided with an elongated threading groove for placing a conductor bar or wire of the temperature sensor 21.
As can be seen, the circumferential outer side of the mounting groove 62 is provided with a rib 63, and the upper end of the rib 63 on each side is provided with a limit block 64. The rib 63 provides a certain installation space for the temperature sensor 21, and the limiting block 64 ensures that the temperature sensor 21 cannot fall off under large vibration.
Preferably, the limiting block 64 includes a connecting surface 641 fixedly connected to the rib 63, two sides of the connecting surface 641 have vertical surfaces 642, the vertical surfaces 642 include an outer vertical surface 643 located at the outer side of the rib 63 and an inner vertical surface 644 located at the inner side of the rib 63, and a limiting structure 65 is disposed between the outer vertical surface 643 and the inner vertical surface 644. After the temperature sensor 21 is mounted, the limiting block 64 is preferentially protruded towards the center of the mounting groove 62, so that the temperature sensor 21 can be prevented from falling off to a large extent. The limiting block 64 can also be arranged on the convex rib 63 in a penetrating way, a penetrating hole is formed in the convex rib 63, the limiting block 64 can slide left and right in the penetrating hole, and the sliding distance can be selected according to the size of the temperature sensor 21.
Further, the limiting structure 65 includes an inclined surface 651 extending gradually toward the inner vertical surface 644 along the top end of the outer vertical surface 643 and descending, the inclined surface 651 is connected with an arc-shaped limiting hook head 652, and a limiting groove 653 is formed between the arc-shaped limiting hook head 652 and the inner vertical surface 644. When the temperature sensor 21 loosens, the temperature sensor can be hooked by the arc-shaped limit hook head 652 and clamped in the limit groove 653 without departing from the mounting groove 62. The foam sheet is arranged at the top end of the notch of the limiting groove 653 or the arc-shaped limiting hook 652, so that damage to the temperature sensor 21 caused by accidental falling can be reduced.
Further, the material of the insulating plug 7 is one of plastic and rubber.
Next, the cable attachment 4 includes a T-shaped cable connector 41, and the cable connector 41 has a mounting hole 42 at each of left and right ends and a lower end. The inner side of each mounting hole 42 is provided with a thread or a clamping structure.
Preferably, a sleeve interface 43 is connected to the mounting hole 42 at the left end in the mounting hole 42, the stress cone 5 is arranged on the mounting hole 42 at the lower end in the mounting hole 42, and the insulating plug 7 is connected to the mounting hole 42 at the right end in the mounting hole 42 through a double-headed screw 44. The double-thread screw 44 is connected with one end of the connecting sleeve interface 43 and the other end of the connecting sleeve interface 7, so that the insulating plug 7 is better fixed in the cable joint 41.
Specifically, a small head 71 is arranged at one end of the insulation plug 7, the diameter of the small head 71 in the axial direction of the insulation plug 7 gradually increases and forms a large head 72 at the other end of the insulation plug 7, a flange 73 which is turned out to the outside of the large head 72 is arranged on the axial outside of the large head 72, a connecting pipe 74 is arranged on an end arm on the circumferential inside of the flange 73, and the connecting pipe 74 is connected with an end cover 75. The connecting pipe 74 is provided with threads and is in threaded connection with the end cover 75, the diameter of the end of the flange 73 is close to the inner diameter of the cable joint 41, the inner side of the mounting hole 42 at the right end of the cable joint 41 is provided with a limiting bulge, the flange 73 is used for limiting the insulating plug 7, and the insulating plug 7 is connected more tightly.
Secondly, the end of the stress cone 5 far away from the cable joint 41 is connected with a connection hose 51, and the end of the connection hose 51 far away from the stress cone 5 extends to the bottom end of the high-voltage electric box 1 and is connected with the bottom end of the high-voltage electric box 1 through a plurality of fasteners. The upper end and the lower end of the cable connecting piece 3 are all firmly connected and are not easy to collapse.
The principle of the embodiment is as follows: built-in insulating stopper 7 of cable accessories 4, set up temperature sensor 21 on the fastening structure 6 in insulating stopper 7, when temperature sensor 21 takes place to become flexible, can be caught by arc spacing gib head 652, the card does not deviate from mounting groove 62 in spacing groove 653, carry out the real-time detection temperature through temperature sensor 21, temperature sensor 21's single chip microprocessor control converts the equipment under test temperature into digital signal by temperature sensor 21, carry to relevant module through cable junction spare 3, temperature sensor 21 promptly, interact between temperature display module 84 and the MCU module 81, accomplish the intelligent monitoring and the data summary of temperature.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the high-voltage electric box 1, the temperature detection device 2, the temperature sensor 21, the cable connector 3, the cable accessory 4, the cable joint 41, the installation hole 42, the bushing interface 43, the double-threaded screw 44, the stress cone 5, the connection hose 51, the fastening structure 6, the inner housing 61, the installation groove 62, the convex rib 63, the limit block 64, the connection surface 641, the vertical surface 642, the outer vertical surface 643, the inner vertical surface 644, the limit structure 65, the inclined surface 651, the arc-shaped limit hook head 652, the limit groove 653, the insulation plug 7, the small head 71, the large head 72, the flange 73, the connection pipe 74, the end cover 75, the air guide hole 76, the air guide rod 77, the temperature collection management device 8, the MCU module 81, the network switch 82, the temperature detection host 83, and the temperature display module 84 are used more often, the possibility of using other terms is. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A built-in wireless temperature measuring device for high-voltage cable contacts comprises a high-voltage electric box (1) which can be opened and closed, and is characterized in that a plurality of temperature detecting devices (2) with temperature sensors (21) are arranged in the high-voltage electric box (1), a temperature acquisition management device (8) is connected outside the high-voltage electric box (1), an MCU module (81) connected with the temperature sensors (21) is arranged in the temperature acquisition management device (8), the temperature acquisition management device (8) is connected with a network switch (82), the network switch (82) is connected with a temperature detecting host (83), a temperature display module (84) connected with the MCU module (81) is arranged in the temperature detecting host (83), the temperature detecting devices (2) comprise a plurality of cable connecting pieces (3), and cable accessories (4) are arranged on the cable connecting pieces (3), cable accessories (4) in be equipped with insulating stopper (7), insulating stopper (7) middle part outer wall on be equipped with a plurality of air guide hole (76) that correspond each other, air guide hole (76) in run through air guide rod (77) that have both ends to extend to the insulating stopper (7) outside, just insulating stopper (7) in embedded have temperature sensor (21), the circumference outside of temperature sensor (21) be equipped with fastening structure (6) that are located on insulating stopper (7) inner wall.
2. The built-in wireless temperature measuring device for the high-voltage cable contact according to claim 1, wherein the fastening structure (6) comprises an inner shell (61) which is arranged inside the insulating plug (7) and is tightly attached to the inner wall of the insulating plug (7), an installation groove (62) is arranged in the inner shell (61), and the temperature sensor (21) is arranged in the installation groove (62).
3. The built-in wireless temperature measuring device for the high-voltage cable contact according to claim 2, wherein a convex rib (63) is arranged on the circumferential outer side of the mounting groove (62), and a limiting block (64) is arranged at the upper end of the convex rib (63) on each side.
4. The built-in wireless high-voltage cable contact temperature measuring device as claimed in claim 3, wherein the limiting block (64) comprises a connecting surface (641) fixedly connected with the convex rib (63), vertical surfaces (642) are arranged on two sides of the connecting surface (641), each vertical surface (642) comprises an outer vertical surface (643) positioned on the outer side of the convex rib (63) and an inner vertical surface (644) positioned on the inner side of the convex rib (63), and a limiting structure (65) is arranged between each outer vertical surface (643) and each inner vertical surface (644).
5. The built-in high-voltage cable contact wireless temperature measuring device as claimed in claim 4, wherein the limiting structure (65) comprises an inclined surface (651) which gradually extends towards the inner vertical surface (644) along the top end of the outer vertical surface (643) and is in a descending trend, the inclined surface (651) is connected with an arc-shaped limiting hook head (652), and a limiting groove (653) is formed between the arc-shaped limiting hook head (652) and the inner vertical surface (644).
6. The built-in wireless temperature measuring device for the high-voltage cable contact according to claim 1, 2, 3, 4 or 5, wherein the insulating plug (7) is made of one of plastic and rubber.
7. The built-in high-voltage cable contact wireless temperature measuring device as claimed in claim 1, wherein the cable accessory (4) comprises a T-shaped cable connector (41), and the cable connector (41) is provided with a mounting hole (42) at each of the left end, the right end and the lower end.
8. The built-in wireless temperature measuring device for the high-voltage cable contact according to claim 7, wherein a sleeve joint (43) is connected to the mounting hole (42) at the left end in the mounting hole (42), a stress cone (5) is arranged on the mounting hole (42) at the lower end in the mounting hole (42), and the mounting hole (42) at the right end in the mounting hole (42) is connected with the insulating plug (7) through a double-headed screw (44).
9. The built-in wireless high-voltage cable contact temperature measuring device according to claim 8, wherein a small head (71) is arranged at one end of the insulating plug (7), the diameter of the small head (71) along the axial direction of the insulating plug (7) is gradually increased and forms a large head (72) located at the other end of the insulating plug (7), a flanging (73) which is turned out towards the outer side of the large head (72) is arranged on the axial outer side of the large head (72), a connecting pipe (74) is arranged on an end arm on the circumferential inner side of the flanging (73), and the connecting pipe (74) is connected with an end cover (75).
10. The built-in wireless high-voltage cable contact temperature measuring device as claimed in claim 8, wherein one end of the stress cone (5) far away from the cable joint (41) is connected with a connecting hose (51), and one end of the connecting hose (51) far away from the stress cone (5) extends to the bottom end of the high-voltage electric box (1) and is connected with the bottom end of the high-voltage electric box (1) through a plurality of fasteners.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019203678166 | 2019-03-21 | ||
| CN201920367816 | 2019-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210464733U true CN210464733U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921446970.9U Active CN210464733U (en) | 2019-03-21 | 2019-09-02 | Built-in high-voltage cable contact wireless temperature measuring device |
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| Country | Link |
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| CN (1) | CN210464733U (en) |
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Effective date of registration: 20211210 Address after: 311121 Room 305, third floor, building 1, Tiaoxi village, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Zhongdian Intelligent Technology Co.,Ltd. Address before: 325000 Liu Shi Zhen Xiang Shan Xin Cun, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Shihe Intelligent Technology Co.,Ltd. |
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