CN213214204U - Outdoor constant temperature control cabinet - Google Patents
Outdoor constant temperature control cabinet Download PDFInfo
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- CN213214204U CN213214204U CN202022414278.7U CN202022414278U CN213214204U CN 213214204 U CN213214204 U CN 213214204U CN 202022414278 U CN202022414278 U CN 202022414278U CN 213214204 U CN213214204 U CN 213214204U
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- conveying pipe
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- fan
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- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000036760 body temperature Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
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Abstract
An outdoor constant temperature control cabinet comprises a cabinet body, a first conveying pipe, a second conveying pipe, a fan, a heating rod, a temperature sensor, a starting and closing plate, a fixing plate, an elastic piece, a sliding column, an armature, an electromagnet and a controller; first conveyer pipe and second conveyer pipe are L venturi tube column structure, first conveyer pipe sets up on internal side top surface of cabinet and horizontal side surface, the second conveyer pipe sets up on internal side bottom surface of cabinet and horizontal side surface, be provided with a plurality of first through-holes on the internal side surface of first conveyer pipe, first through-hole department is provided with first filter screen, be provided with a plurality of second through-holes on the internal side surface of second conveyer pipe, second through-hole department is provided with the second filter screen, the fan is connected respectively with first conveyer pipe one end and second conveyer pipe one end, the one end that the fan was kept away from to the second conveyer pipe is provided with a plurality of first exhaust vents. The utility model discloses can control cabinet body temperature, make electron device and cable in the rack be in under the suitable service temperature environment.
Description
Technical Field
The utility model relates to a switch board technical field especially relates to an outdoor constant temperature control cabinet.
Background
The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment.
For a control cabinet arranged outdoors, the temperature in the cabinet is easily influenced by the environment, if the temperature in the cabinet is too high, the aging and the consumption of internal electronic devices and cables can be accelerated, if the temperature in the cabinet is too low, the running performance of the electronic devices can be reduced, the cables can be embrittled and easily broken, and the service lives of the electronic devices and the cables can be reduced due to the too high and too low temperatures.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides an outdoor constant temperature control rack can control cabinet body temperature, makes under electron device and the cable in the rack is in suitable service temperature environment, guarantees its life.
(II) technical scheme
The utility model provides an outdoor constant temperature control cabinet, which comprises a cabinet body, a first conveying pipe, a second conveying pipe, a fan, a heating rod, a temperature sensor, an opening and closing plate, a fixed plate, an elastic piece, a sliding column, an armature, an electromagnet and a controller;
the first conveying pipe and the second conveying pipe are both of L-shaped tubular structures, the first conveying pipe is arranged on the top surface and the transverse side surface of the inner side of the cabinet body, the second conveying pipe is arranged on the bottom surface and the transverse side surface of the inner side of the cabinet body, a plurality of first through holes are formed in the inner side surface of the first conveying pipe, a first filter screen is arranged at the position of the first through holes, a plurality of second through holes are formed in the inner side surface of the second conveying pipe, a second filter screen is arranged at the position of the second through holes, the fan is respectively connected with one end of the first conveying pipe and one end of the second conveying pipe, a plurality of first air outlet holes are formed in the end, far away from the fan, of the second conveying pipe, third air outlet holes corresponding to the first air outlet holes are formed in the upper portion of the cabinet body, the transverse side surfaces of the opening and closing plate are respectively in contact with the cabinet body and the second conveying pipe, second air outlet holes corresponding, the fixed plate and the electromagnet are arranged on the second conveying pipe, the fixed plate is a U-shaped plate, a U-shaped opening of the fixed plate faces the front side, the sliding column is vertically arranged at the top of the armature, the sliding column is in sliding connection with the fixed plate, the elastic piece is vertically arranged on the inner side of the fixed plate, two ends of the elastic piece are respectively connected with the fixed plate and the sliding column, the armature is connected with the opening and closing plate, and the armature is located below the electromagnet; temperature sensor and controller all set up on the second conveyer pipe, and temperature sensor is connected with the controller communication, and controller and fan, heating rod and electro-magnet are control connection respectively, and the heating rod setting is inside first conveyer pipe, and the heating rod is located the fan below.
Preferably, the structure turning points of the first conveying pipe and the second conveying pipe are smoothly transited.
Preferably, a third filter screen is arranged at the second air outlet.
Preferably, the elastic member is a compression spring.
Preferably, the sliding column is a rectangular column structure.
Preferably, be provided with the spout along vertical direction on the slip post, slip post sliding connection has spacing post, and spacing post bottom is located the spout inboard, and spacing capital end is connected with the inboard top surface of fixed plate, and the elastic component is located spacing post periphery side.
Preferably, a plurality of pipe clamps are arranged on the first conveying pipe and the second conveying pipe, and the pipe clamps are connected with the inner surface of the cabinet body.
Preferably, the top of the cabinet body is provided with a rain shield which is of a pyramid structure, the vertex of the rain shield is upward, the bottom surface of the rain shield is flush with the top surface of the cabinet body, and the outline of the top surface of the cabinet body is positioned on the inner side of the outline of the bottom surface of the rain shield.
Preferably, be provided with solar panel on the rain-proof cover top surface, cabinet body top is provided with the battery, solar panel and battery electric connection, and the battery is located the rain-proof cover inboard, battery and fan, heating rod, temperature sensor and electro-magnet difference electric connection.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
the utility model can control the air temperature in the cabinet body, and can self-adaptively regulate the temperature when the temperature exceeds the highest threshold or is lower than the lowest threshold, so that the electronic devices and cables in the cabinet are in a proper use temperature environment; the temperature sensor is used for monitoring the temperature in the cabinet body and transmitting a detection result to the controller.
When the temperature inside the cabinet body exceeds the highest threshold value, the controller starts the fan and the electromagnet, the electromagnet attracts the armature, the armature drives the opening and closing plate to move upwards, the second air outlet hole is communicated with the first air outlet hole and the third air outlet hole, the sliding column compresses the elastic part on the inner side of the fixing plate, the fan sucks air from the first conveying pipe and blows air to the second conveying pipe, and therefore negative air pressure is generated in the first conveying pipe and the second conveying pipe, hot air inside the cabinet body can enter the first conveying pipe through the first filter screen, enters the second conveying pipe through the second filter screen and is finally discharged from the third air outlet hole, the purpose of heat dissipation is achieved, and the air temperature inside the cabinet body is reduced; when the temperature in the cabinet body is lower than the minimum threshold value, the controller starts the fan and the heating rod, the electromagnet does not attract the armature, the opening and closing plate separates the first air outlet hole from the third air outlet hole, so that the end part of the second conveying pipe is blocked, the fan sucks air with lower temperature from the first through hole through the first filter screen, the heating rod produces hot air in the first conveying pipe, the fan blows the hot air from the second through hole to the interior of the cabinet body through the second filter screen again, the circulating heating of the air in the cabinet body is realized, and the air temperature in the cabinet body is improved; the utility model discloses cool down and intensification processing according to the internal portion air temperature condition of cabinet, guarantee that the electronic device and the cable of the internal portion of cabinet can normal use, guaranteed its life.
Drawings
Fig. 1 is the utility model provides an outdoor thermostatic control cabinet's schematic structure.
Fig. 2 is the utility model provides an outdoor thermostatic control rack's structure cross-sectional view.
Fig. 3 is an enlarged view of a structure at a in fig. 2.
Fig. 4 is a partial structure sectional view of an outdoor thermostatic control cabinet provided by the utility model.
Reference numerals: 1. a cabinet body; 101. a third air outlet; 2. a first delivery pipe; 201. a first through hole; 202. a first filter screen; 3. a second delivery pipe; 301. a second through hole; 302. a second filter screen; 303. a first air outlet; 4. a fan; 5. a heating rod; 6. a temperature sensor; 7. a shutter plate; 701. a second air outlet hole; 8. a fixing plate; 9. an elastic member; 10. a sliding post; 11. an armature; 12. an electromagnet; 13. a controller; 14. a pipe clamp; 15. a rain shield; 16. a solar panel; 17. and (4) a storage battery.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the utility model provides an outdoor constant temperature control cabinet, which comprises a cabinet body 1, a first delivery pipe 2, a second delivery pipe 3, a fan 4, a heating rod 5, a temperature sensor 6, an opening and closing plate 7, a fixing plate 8, an elastic part 9, a sliding column 10, an armature 11, an electromagnet 12 and a controller 13;
the first conveying pipe 2 and the second conveying pipe 3 are both L-shaped tubular structures, the first conveying pipe 2 is arranged on the top surface and one lateral side surface of the inner side of the cabinet body 1, the second conveying pipe 3 is arranged on the bottom surface and one lateral side surface of the inner side of the cabinet body 1, the inner side surface of the first conveying pipe 2 is provided with a plurality of first through holes 201, a first filter screen 202 is arranged at the position of the first through holes 201, the inner side surface of the second conveying pipe 3 is provided with a plurality of second through holes 301, the position of the second through holes 301 is provided with a second filter screen 302, the fan 4 is respectively connected with one end of the first conveying pipe 2 and one end of the second conveying pipe 3, one end of the second conveying pipe 3 far away from the fan 4 is provided with a plurality of first air outlet holes 303, the upper part of the cabinet body 1 is provided with third air outlet holes 101 corresponding to the first air outlet holes 303, the lateral side surfaces of the opening and closing plate 7 are respectively contacted with the cabinet body 1 and the second, the second air outlet 701 is positioned between the first air outlet 303 and the third air outlet 101, the fixing plate 8 and the electromagnet 12 are both arranged on the second conveying pipe 3, the fixing plate 8 is a U-shaped plate, the U-shaped opening of the fixing plate 8 faces the front side, the sliding column 10 is vertically arranged at the top of the armature 11, the sliding column 10 is in sliding connection with the fixing plate 8, the elastic piece 9 is vertically arranged on the inner side of the fixing plate 8, two ends of the elastic piece 9 are respectively connected with the fixing plate 8 and the sliding column 10, the armature 11 is connected with the opening and closing plate 7, and the armature 11 is positioned below the electromagnet 12; temperature sensor 6 and controller 13 all set up on second conveyer pipe 3, and temperature sensor 6 is connected with the communication of controller 13, and controller 13 and fan 4, heating rod 5 and electro-magnet 12 control connection respectively, and heating rod 5 sets up inside first conveyer pipe 2, and heating rod 5 is located fan 4 below.
The utility model can control the air temperature in the cabinet body 1, and can self-adaptively regulate the temperature when the temperature exceeds the highest threshold or is lower than the lowest threshold, so that the electronic devices and cables in the cabinet are in a proper use temperature environment; the temperature sensor 6 is used for monitoring the temperature inside the cabinet body 1 and transmitting the detection result to the controller 13; when the internal temperature of the cabinet body 1 exceeds the maximum threshold value, the controller 13 starts the fan 4 and the electromagnet 12, the electromagnet 12 attracts the armature 11, the armature 11 drives the opening and closing plate 7 to move upwards, so that the second air outlet 701 is communicated with the first air outlet 303 and the third air outlet 101, the sliding column 10 compresses the elastic part 9 on the inner side of the fixing plate 8, the fan 4 draws air from the first conveying pipe 2 and blows air to the second conveying pipe 3, and therefore air negative pressure is generated in the first conveying pipe 2 and the second conveying pipe 3, hot air in the cabinet body 1 can enter the first conveying pipe 2 through the first filter screen 202, enter the second conveying pipe 3 through the second filter screen 302 and finally be discharged from the third air outlet 101, the purpose of heat dissipation is achieved, and the internal air temperature of the cabinet body 1 is reduced; when the temperature inside the cabinet 1 is lower than the minimum threshold value, the controller 13 starts the fan 4 and the heating rod 5, the electromagnet 12 does not attract the armature 11, the opening and closing plate 7 separates the first air outlet 303 and the third air outlet 101, so as to block the end part of the second delivery pipe 3, the fan 4 sucks air with lower temperature from the first through hole 201 through the first filter screen 202, the heating rod 5 produces hot air in the first delivery pipe 2, the fan 4 blows the hot air from the second through hole 301 through the second filter screen 302 to the inside of the cabinet 1 again, and the circulating heating of the air inside the cabinet 1 is realized, so as to improve the air temperature inside the cabinet 1; the utility model discloses cool down and intensification processing according to the 1 inside air temperature condition of the cabinet body, guarantee that the electronic device and the cable of the 1 inside of the cabinet body can normal use, guaranteed its life.
In an alternative embodiment, the structural turns of the first delivery tube 2 and the second delivery tube 3 are smoothly transitioned.
It should be noted that, when the fan 4 draws air from the first conveying pipe 2 and blows air into the second conveying pipe 3, air can smoothly circulate at the smooth transition position, and the circulation speed is ensured, so that the effective production of negative air pressure is ensured.
In an alternative embodiment, a third filter is disposed at the second air outlet 701.
It should be noted that, by providing the third filter screen, the impurities in the outside air can be prevented from entering the cabinet 1 when the first air outlet 303, the second air outlet 701 and the third air outlet 101 are communicated.
In an alternative embodiment, the elastic member 9 is a compression spring, and has a long service life.
In an alternative embodiment, the sliding column 10 is a rectangular column structure, which can stably slide in the vertical direction.
In an optional embodiment, a sliding groove is formed in the sliding column 10 in the vertical direction, a limiting column is connected to the sliding column 10 in a sliding mode, the bottom end of the limiting column is located on the inner side of the sliding groove, the top end of the limiting column is connected with the top face of the inner side of the fixing plate 8, and the elastic piece 9 is located on the outer peripheral side of the limiting column and is stable in position and cannot fall off.
In an alternative embodiment, a plurality of pipe clamps 14 are disposed on each of the first delivery pipe 2 and the second delivery pipe 3, and the pipe clamps 14 are connected to the inner surface of the cabinet 1, so that the first delivery pipe 2 and the second delivery pipe 3 can be easily disassembled and assembled, and maintenance is facilitated.
In an alternative embodiment, the top of the cabinet body 1 is provided with a rain shield 15, the rain shield 15 is of a pyramid-shaped structure, the vertex of the rain shield 15 faces upwards, the bottom surface of the rain shield 15 is flush with the top surface of the cabinet body 1, and the contour of the top surface of the cabinet body 1 is located inside the contour of the bottom surface of the rain shield 15.
It should be noted that, in outdoor rainy and snowy weather, the rain-proof cover 15 plays a role in shielding, so as to prevent rain and snow from entering the cabinet 1.
In an alternative embodiment, a solar panel 16 is disposed on the top surface of the rain shield 15, a storage battery 17 is disposed on the top of the cabinet 1, the solar panel 16 is electrically connected to the storage battery 17, the storage battery 17 is located inside the rain shield 15, and the storage battery 17 is electrically connected to the fan 4, the heating rod 5, the temperature sensor 6, and the electromagnet 12.
It should be noted that, the solar panel 16 can convert solar energy into electric energy to be stored in the storage battery 17, and the storage battery 17 supplies power to the electric appliances, so that the solar energy-saving and environment-friendly effects are achieved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. An outdoor constant-temperature control cabinet is characterized by comprising a cabinet body (1), a first conveying pipe (2), a second conveying pipe (3), a fan (4), a heating rod (5), a temperature sensor (6), an opening and closing plate (7), a fixing plate (8), an elastic piece (9), a sliding column (10), an armature (11), an electromagnet (12) and a controller (13);
the first conveying pipe (2) and the second conveying pipe (3) are both of L-shaped tubular structures, the first conveying pipe (2) is arranged on the top surface of the inner side and one lateral side surface of the cabinet body (1), the second conveying pipe (3) is arranged on the bottom surface of the inner side and one lateral side surface of the cabinet body (1), a plurality of first through holes (201) are formed in the inner side surface of the first conveying pipe (2), a first filter screen (202) is arranged at the first through holes (201), a plurality of second through holes (301) are formed in the inner side surface of the second conveying pipe (3), a second filter screen (302) is arranged at the second through holes (301), the fan (4) is respectively connected with one end of the first conveying pipe (2) and one end of the second conveying pipe (3), a plurality of first air outlet holes (303) are formed in one end, far away from the fan (4), a third air outlet hole (101) corresponding to the first air outlet holes (303) is formed in the upper portion of, the surfaces of two transverse sides of the opening and closing plate (7) are respectively contacted with the cabinet body (1) and the second conveying pipe (3), a second air outlet hole (701) corresponding to the first air outlet hole (303) and the third air outlet hole (101) is arranged on the opening and closing plate (7), the second air outlet hole (701) is positioned between the first air outlet hole (303) and the third air outlet hole (101), the fixing plate (8) and the electromagnet (12) are both arranged on the second conveying pipe (3), the fixing plate (8) is a U-shaped plate, the U-shaped opening of the fixing plate (8) faces the front side, the sliding column (10) is vertically arranged at the top of the armature (11), the sliding column (10) is connected with the fixing plate (8) in a sliding mode, the elastic piece (9) is vertically arranged on the inner side of the fixing plate (8), two ends of the elastic piece (9) are respectively connected with the fixing plate (8) and the sliding column (10), the armature (11) is connected with the opening and closing plate (7), and the armature (11) is located below the electromagnet (12); temperature sensor (6) and controller (13) all set up on second conveyer pipe (3), and temperature sensor (6) are connected with controller (13) communication, and controller (13) and fan (4), heating rod (5) and electro-magnet (12) are control connection respectively, and heating rod (5) set up inside first conveyer pipe (2), and heating rod (5) are located fan (4) below.
2. An outdoor thermostatic control cabinet according to claim 1 characterized in that the structural turning points of the first delivery pipe (2) and the second delivery pipe (3) are smoothly transited.
3. An outdoor thermostatic control cabinet according to claim 1, characterized in that a third filter screen is arranged at the second air outlet (701).
4. An outdoor thermostatic control cabinet according to claim 1 characterized in that the resilient member (9) is a compression spring.
5. An outdoor thermostatic control cabinet according to claim 4 characterized in that the sliding post (10) is a rectangular column structure.
6. The outdoor constant temperature control cabinet according to claim 5, wherein the sliding column (10) is provided with a sliding slot along a vertical direction, the sliding column (10) is slidably connected with a limiting column, a bottom end of the limiting column is located at an inner side of the sliding slot, a top end of the limiting column is connected with an inner top surface of the fixing plate (8), and the elastic member (9) is located at an outer peripheral side of the limiting column.
7. An outdoor thermostatic control cabinet according to claim 1 characterized in that, a plurality of pipe clamps (14) are arranged on the first delivery pipe (2) and the second delivery pipe (3), and the pipe clamps (14) are connected with the inner surface of the cabinet body (1).
8. The outdoor constant temperature control cabinet according to claim 1, wherein a rain shield (15) is arranged at the top of the cabinet body (1), the rain shield (15) has a pyramid-shaped structure, the top of the rain shield (15) faces upwards, the bottom surface of the rain shield (15) is flush with the top surface of the cabinet body (1), and the contour of the top surface of the cabinet body (1) is located inside the contour of the bottom surface of the rain shield (15).
9. The outdoor constant temperature control cabinet according to claim 8, wherein a solar panel (16) is arranged on the top surface of the rain shield (15), a storage battery (17) is arranged on the top of the cabinet body (1), the solar panel (16) is electrically connected with the storage battery (17), the storage battery (17) is positioned inside the rain shield (15), and the storage battery (17) is electrically connected with the fan (4), the heating rod (5), the temperature sensor (6) and the electromagnet (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022414278.7U CN213214204U (en) | 2020-10-26 | 2020-10-26 | Outdoor constant temperature control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022414278.7U CN213214204U (en) | 2020-10-26 | 2020-10-26 | Outdoor constant temperature control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213214204U true CN213214204U (en) | 2021-05-14 |
Family
ID=75826807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022414278.7U Active CN213214204U (en) | 2020-10-26 | 2020-10-26 | Outdoor constant temperature control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213214204U (en) |
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2020
- 2020-10-26 CN CN202022414278.7U patent/CN213214204U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Outdoor constant temperature control cabinet Effective date of registration: 20210830 Granted publication date: 20210514 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: CHINA DYNAMICS TECHNOLOGY (SHENZHEN) Co.,Ltd. Registration number: Y2021440020089 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221216 Granted publication date: 20210514 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: CHINA DYNAMICS TECHNOLOGY (SHENZHEN) CO.,LTD. Registration number: Y2021440020089 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An outdoor thermostatic control cabinet Effective date of registration: 20230113 Granted publication date: 20210514 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: CHINA DYNAMICS TECHNOLOGY (SHENZHEN) CO.,LTD. Registration number: Y2023440020006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210514 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: CHINA DYNAMICS TECHNOLOGY (SHENZHEN) CO.,LTD. Registration number: Y2023440020006 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An outdoor constant temperature control cabinet Granted publication date: 20210514 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: CHINA DYNAMICS TECHNOLOGY (SHENZHEN) CO.,LTD. Registration number: Y2024980002612 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |