CN215006404U - Automatic control maintenance device for electromechanical equipment - Google Patents

Automatic control maintenance device for electromechanical equipment Download PDF

Info

Publication number
CN215006404U
CN215006404U CN202121429617.7U CN202121429617U CN215006404U CN 215006404 U CN215006404 U CN 215006404U CN 202121429617 U CN202121429617 U CN 202121429617U CN 215006404 U CN215006404 U CN 215006404U
Authority
CN
China
Prior art keywords
maintenance device
pipeline
fixedly connected
heat
protective sleeve
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.)
Expired - Fee Related
Application number
CN202121429617.7U
Other languages
Chinese (zh)
Inventor
王朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Changwu Tingnan Coal Industry Co Ltd
Original Assignee
Shaanxi Changwu Tingnan Coal Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Changwu Tingnan Coal Industry Co Ltd filed Critical Shaanxi Changwu Tingnan Coal Industry Co Ltd
Priority to CN202121429617.7U priority Critical patent/CN215006404U/en
Application granted granted Critical
Publication of CN215006404U publication Critical patent/CN215006404U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Thermal Insulation (AREA)

Abstract

The utility model belongs to the technical field of maintenance of electromechanical equipment, in particular to an automatic control maintenance device of electromechanical equipment, which comprises a maintenance device main body, a supporting plate, a protective sleeve and a pipeline, wherein the pipeline is embedded and connected at the middle part of the inner side of the maintenance device main body, the protective sleeve is fixedly connected at the middle part of the inner part of the maintenance device main body, the outer side of the protective sleeve is fixedly connected with a thermal insulation sleeve ring, the supporting plate is fixedly connected with the outer side of the maintenance device main body, the supporting plate can support and fix the pipeline embedded in the maintenance device main body and can isolate the low temperature of the external environment, the influence of the low temperature on the pipeline is reduced, the practicability of the use of the supporting plate is effectively improved, the protective sleeve can heat and preserve the contacted pipeline, the pipeline is prevented from being frost-cracked at low temperature, the temperature of the inner wall of the pipeline can be known in real time, the outer wall of the pipeline is heated through mica sheets, thereby preventing the temperature of the pipeline from being continuously reduced and avoiding the pipeline from being frozen.

Description

Automatic control maintenance device for electromechanical equipment
Technical Field
The utility model belongs to the technical field of electromechanical device dimension is protected, specifically is an electromechanical device automatic control dimension protects device.
Background
With the development of scientific technology, more and more electromechanical devices are used by people, meanwhile, mechanical technology is the basis of electromechanical integration, other high and new technologies are utilized to update concepts, change in structure, material and performance is realized, the requirements of reducing weight, reducing volume, improving precision, improving rigidity and improving performance are met, and in the manufacturing process of an electromechanical integration system, a classical mechanical theory and process are formed into a new generation of mechanical manufacturing technology by means of a computer-aided technology and by adopting artificial intelligence, an expert system and the like.
The existing automatic control maintenance device for the electromechanical equipment is low in practicability, poor in heat preservation and protection effects and incapable of automatically heating and preserving heat for a pipeline, so that the pipeline cannot be prevented from being frozen and cracked, the pipeline cannot be favorably subjected to automatic control maintenance, the existing automatic control maintenance device for the electromechanical equipment cannot support and protect a fixed pipeline, the circular pipeline is easy to roll or move, the pipeline is easy to damage, and the service life of the pipeline is influenced.
Therefore, how to design an automatic control maintenance device for electromechanical equipment becomes a problem which needs to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electromechanical device automatic control dimension protects device to it is low to provide the practicality in solving above-mentioned background art, keeps warm and protects the not good problem of effect.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic control maintenance device for electromechanical equipment comprises a maintenance device main body, a supporting plate, a protective sleeve and a pipeline, wherein the pipeline is embedded and connected at the middle part of the inner side of the maintenance device main body, the protective sleeve is fixedly connected at the middle part of the inner part of the maintenance device main body, the supporting plate is fixedly connected at the outer side of the maintenance device main body, a control panel is embedded and connected at the middle part of the other end of the supporting plate, a bearing plate is fixedly connected at the bottom of the supporting plate, a fixed plate is movably connected at the outer side of the top of the supporting plate, a thermal insulation cover is fixedly connected at the inner side of the top of the supporting plate, a battery pack is fixedly connected at the bottom of the other side of the inner part of the bearing plate, a connecting groove is embedded and connected at the inner wall of the other side of the bearing plate, a positioning clamping groove is fixedly connected at the inner layer of the connecting groove, and a thermal insulation sleeve is fixedly connected at the outer side of the protective sleeve, the heat-insulating sleeve is characterized in that a first heat-conducting element is fixedly connected to the inner side bottom end inner wall of the protective sleeve, a second heat-conducting element is fixedly connected to the inner side top end inner wall of the protective sleeve, a temperature sensing unit is fixedly connected to the middle position of the inner side bottom end of the protective sleeve, a mica sheet is fixedly connected to the middle position of the inner portion of the heat-insulating sleeve ring, an insulating block is connected to the other side of the bottom of the heat-insulating sleeve ring in an embedded mode, and an anti-slip pad is connected to the bottom end of the supporting plate in an embedded mode.
Preferably, the top end of the other side of the fixing plate is fixedly connected with fixing teeth, and the fixing teeth are arranged in a concave-convex uniform shape and meshed with the positioning clamping grooves.
Preferably, the supporting plate is provided with one, and the fixing plate and the heat preservation cover are both arranged in an arc shape.
Preferably, the protective sleeve is provided with one, and the first heat conducting element and the second heat conducting element can form a ring shape.
Compared with the prior art, the beneficial effects of the utility model are that:
1. electromechanical device automatic control dimension protects device, backup pad setting are in the outside of dimension protecting device main part, and device main part fixed connection is protected with the dimension to the backup pad, and the backup pad can be protected the pipeline in the device main part with the embedding dimension and support and fix, and can also completely cut off external environment's low temperature, reduces the pipeline and receives the influence of low temperature, the effectual practicality that improves the backup pad and use.
2. Electromechanical device automatic control dimension protects device, a protective sleeve sets up the inside middle part in the device main part is protected in the dimension, a protective sleeve and dimension protect device main part fixed connection, a protective sleeve can heat the pipeline of contact and keep warm, avoid the pipeline by the frost crack at low temperature, and can also know the temperature of pipeline inner wall in real time, heat the outer wall of pipeline through the mica sheet, thereby prevent that the temperature of pipeline from continuing to reduce, avoid the pipeline by the frost crack, the effectual heat preservation and the protection effect of device to the pipeline that has improved.
Drawings
FIG. 1 is a schematic view of the main structure of the maintenance device of the present invention;
FIG. 2 is a cross-sectional view of the support plate of the present invention;
FIG. 3 is a schematic structural view of the protective sleeve of the present invention;
FIG. 4 is a cross-sectional view of the protective sleeve of the present invention;
fig. 5 is a diagram of the circuit connection frame of the present invention.
In the figure: 1. a maintenance device body; 2. a support plate; 3. a protective sleeve; 4. a pipeline; 5. a control panel; 6. a non-slip mat; 7. a bearing plate; 8. a battery pack; 9. a fixing plate; 10. a heat preservation cover; 11. connecting grooves; 12. fixing teeth; 13. a heat-preserving lantern ring; 14. a temperature sensing unit; 15. a first heat conducting element; 16. Mica sheets; 17. an insulating block; 18. a second heat conducting element; 19. and a positioning clamping groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defined as "first", "second" may explicitly or implicitly include one or more of such features, in the description of the invention "plurality" means two or more unless explicitly specifically defined otherwise.
In a first embodiment, please refer to fig. 1-5, the present invention provides a technical solution: an automatic control maintenance device for electromechanical equipment comprises a maintenance device main body 1, a supporting plate 2, a protective sleeve 3 and a pipeline 4, wherein the pipeline 4 is embedded and connected at the middle part of the inner side of the maintenance device main body 1, the protective sleeve 3 is fixedly connected at the middle part of the inner part of the maintenance device main body 1, the supporting plate 2 is fixedly connected at the outer side of the maintenance device main body 1, a control panel 5 is embedded and connected at the middle part of the other end of the supporting plate 2, a bearing plate 7 is fixedly connected at the bottom of the supporting plate 2, a fixing plate 9 is movably connected at the outer side of the top of the supporting plate 2, a thermal insulation cover 10 is fixedly connected at the inner side of the top of the supporting plate 2, a battery pack 8 is fixedly connected at the bottom of the other side of the inner part of the bearing plate 7, a connecting groove 11 is embedded and connected at the inner wall of the top of the other side of the bearing plate 7, a positioning clamping groove 19 is fixedly connected at the inner layer of the connecting groove 11, and a thermal insulation sleeve ring 13 is fixedly connected at the outer side of the protective sleeve 3, the heat-conducting element I is fixedly connected with the inner side bottom end inner wall of the protection sleeve barrel 3, the inner side top end inner wall of the protection sleeve barrel 3 is fixedly connected with the heat-conducting element II 18, the temperature sensing unit 14 is fixedly connected with the middle position of the inner side bottom end of the protection sleeve barrel 3, the mica sheet 16 is fixedly connected with the middle position of the inner portion of the heat-insulating sleeve ring 13, the insulating block 17 is connected with the other side of the bottom of the heat-insulating sleeve ring 13 in an embedded mode, and the anti-skidding pad 6 is connected with the bottom end of the supporting plate 2 in an embedded mode.
Preferably, the fixed teeth 12 are fixedly connected to the top end of the other side of the fixing plate 9, the fixed teeth 12 are arranged in a concave-convex uniform shape and are meshed with the positioning clamping grooves 19, the other side of the fixing plate 9 is embedded into the connecting groove 11, and the positioning clamping grooves 19 are arranged in the connecting groove 11, meanwhile, the fixed teeth 12 are arranged in a concave-convex uniform shape and are meshed with the positioning clamping grooves 19, so that after the other side of the fixing plate 9 is embedded into and penetrates through the connecting groove 11 from top to bottom, the positioning clamping grooves 19 clamp the fixed teeth 12 arranged on the fixing plate 9, and the fixing of the fixing plate 9 is completed.
Preferably, the support plate 2 is provided with one, the fixing plate 9 and the heat preservation cover 10 are both arranged in an arc shape, the support plate 2 is provided with one, the support plate 2 is arranged at the outer side of the maintenance device main body 1, the support plate 2 is fixedly connected with the maintenance device main body 1, the support plate 2 can support and fix the pipeline 4 embedded in the maintenance device main body 1 and can isolate the low temperature of the external environment, the influence of the low temperature on the pipeline 4 is reduced, the support plate 2 is provided with the bearing plate 7 and the fixing plate 9, the heat preservation cover 10 is attached and connected, the battery pack 8 in the bearing plate 7 improves the electric energy for the internal circuit or the control panel 5, when the support plate 2 on the maintenance device main body 1 is used for supporting, the pipeline 4 can be placed in the inner layer of the maintenance device main body 1, then the other side of the fixing plate 9 is moved to the other side and wraps the pipeline 4, meanwhile, the other end of the fixing plate 9 is embedded into and penetrates through a connecting groove 11 formed in the bearing plate 7 from top to bottom, the fixing plate 9 is fixed through the connecting groove 11, the heat preservation cover 10 can reduce the temperature and heat dissipation or reduction in the pipeline 4 of the package, the heat preservation and insulation effect is achieved, then the bearing plate 7 supports on the ground, the displacement of the circular pipeline 4 is prevented, and the practicability of the supporting plate 2 is effectively improved.
Preferably, the protecting sleeve 3 is provided with one, the first heat conducting element 15 and the second heat conducting element 18 can form a ring shape, the protecting sleeve 3 is provided with one, the protecting sleeve 3 is arranged at the middle part inside the maintenance device main body 1, the protecting sleeve 3 is fixedly connected with the maintenance device main body 1, the protecting sleeve 3 can heat and insulate a contacted pipeline 4, the pipeline 4 is prevented from being frozen and cracked at a low temperature, the temperature of the inner wall of the pipeline 4 can be known in real time, a heat insulating sleeve ring 13, the first heat conducting element 15 and the second heat conducting element 18 are arranged on the protecting sleeve 3, a temperature sensing unit 14 is arranged on the inner side of the protecting sleeve 3, a mica sheet 16 is arranged in the heat insulating sleeve ring 13, the first heat conducting element 15 and the second heat conducting element 18 are respectively attached and connected with the bottom end and the top end of the heat insulating sleeve ring 13, the temperature sensing unit 14 and the mica sheet 16 are connected with a control panel 5 arranged on the protecting sleeve 3 through leads, meanwhile, the bottom end of a heat-insulating sleeve ring 13 arranged on the protective sleeve 3 is connected with the bottom end of the inner side of a bearing plate 7 arranged on the protective sleeve 3, the top end of the heat-insulating sleeve ring 13 arranged on the protective sleeve 3 is connected with the top end of the inner side of a heat-insulating cover 10 arranged on the protective sleeve 3, when a fixing plate 9 on the protective sleeve 3 is unfolded leftwards, the top of the protective sleeve 3 is also unfolded, so that the pipeline 4 can be placed on the inner layer of the maintenance device main body 1, the inner layer of the protective sleeve 3 is contacted with the pipeline 4, a temperature sensing unit 14 is contacted with or attached to the outer wall of the pipeline 4, the temperature of the outer wall of the pipeline 4 is detected through the temperature sensing unit 14, the temperature is displayed through the control panel 5, when the temperature is reduced to a value set by the control panel 5, the control panel 5 is communicated with a circuit of a mica sheet 16, the mica sheet 16 heats the outer wall of the pipeline 4, and further reduction of the temperature of the pipeline 4 is prevented, avoid pipeline 4 to be frost crack, the effectual device that has improved keeps warm and the protection effect to pipeline 4.
The working principle is as follows: firstly, the other side of the fixing plate 9 is embedded into the connecting groove 11, and a positioning clamping groove 19 is arranged in the connecting groove 11, meanwhile, since the fixing teeth 12 are arranged in a concave-convex uniform shape and are mutually meshed with the positioning clamping groove 19, after the other side of the fixing plate 9 is embedded into and penetrates through the connecting groove 11 from top to bottom, the positioning clamping groove 19 can clamp the fixing teeth 12 arranged on the fixing plate 9 and complete the fixing of the fixing plate 9.
Then, the support plate 2 is provided with one, the support plate 2 is arranged at the outer side of the maintenance device main body 1, the support plate 2 is fixedly connected with the maintenance device main body 1, the support plate 2 can support and fix the pipeline 4 embedded in the maintenance device main body 1 and can isolate the low temperature of the external environment to reduce the influence of the low temperature on the pipeline 4, the support plate 2 is provided with a bearing plate 7 and a fixing plate 9, the heat preservation cover 10 is attached and connected, the battery pack 8 in the bearing plate 7 is an internal circuit or a control panel 5 to improve the electric energy, when the support plate 2 on the maintenance device main body 1 is used for supporting, the pipeline 4 can be placed in the inner layer of the maintenance device main body 1, then the other side of the fixing plate 9 is moved to the other side and wraps the pipeline 4, and meanwhile, the other end of the fixing plate 9 is embedded into and penetrates through a connecting groove 11 arranged on the bearing plate 7 from top to bottom, fix fixed plate 9 through spread groove 11, and keep warm lid 10 can reduce the temperature in the pipeline 4 of parcel and thermal scattering and disappearing or reduce, played the thermal-insulated effect that keeps warm, then support subaerial through bearing plate 7, prevent the displacement of circular shape pipeline 4, the effectual practicality that improves backup pad 2 and use.
Finally, the protecting sleeve 3 is provided with one protecting sleeve 3, the protecting sleeve 3 is arranged in the middle of the interior of the maintenance device main body 1, the protecting sleeve 3 is fixedly connected with the maintenance device main body 1, the protecting sleeve 3 can heat and insulate the contacted pipeline 4 to prevent the pipeline 4 from being frost crack at low temperature, and can also know the temperature of the inner wall of the pipeline 4 in real time, the protecting sleeve 3 is provided with a heat-insulating sleeve ring 13, a first heat-conducting element 15 and a second heat-conducting element 18, the inner side of the protecting sleeve 3 is provided with a temperature sensing unit 14, a mica sheet 16 is arranged in the heat-insulating sleeve ring 13, the first heat-conducting element 15 and the second heat-conducting element 18 are respectively attached and connected with the bottom end and the top end of the heat-insulating sleeve ring 13, the temperature sensing unit 14 and the mica sheet 16 are connected with the control panel 5 arranged on the protecting sleeve 3 through wires, and the bottom end of the heat-insulating sleeve ring 13 arranged on the protecting sleeve 3 is connected with the bottom end of the inner side of the bearing plate 7 arranged on the protecting sleeve 3, the top end of a heat-insulating sleeve ring 13 arranged on the protective sleeve 3 is connected with the top end of the inner side of a heat-insulating cover 10 arranged on the protective sleeve 3, when a fixing plate 9 on the protective sleeve 3 is unfolded leftwards, the top of the protective sleeve 3 is also unfolded, the pipeline 4 can be placed on the inner layer of the maintenance device main body 1, the inner layer of the protective sleeve 3 is in contact with the pipeline 4, a temperature sensing unit 14 is in contact with or attached to the outer wall of the pipeline 4, the temperature of the outer wall of the pipeline 4 is detected through the temperature sensing unit 14, the temperature is displayed through a control panel 5, when the temperature is reduced to a value set by the control panel 5, the control panel 5 is communicated with a circuit of a mica sheet 16, the mica sheet 16 is used for heating the outer wall of the pipeline 4, the temperature of the pipeline 4 is prevented from being further reduced, the pipeline 4 is prevented from being frozen and cracked, the heat-insulating and protecting effects of the pipeline 4 by the device are effectively improved, the working principle of the automatic control maintenance device of the electromechanical equipment is described.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a device is protected to electromechanical device automatic control dimension, protects device main part (1), backup pad (2), protective sleeve (3) and pipeline (4) including the dimension, its characterized in that: the maintenance device is characterized in that a pipeline (4) is embedded and connected in the middle of the inner side of the maintenance device main body (1), a protective sleeve barrel (3) is fixedly connected in the middle of the inner part of the maintenance device main body (1), a supporting plate (2) is fixedly connected to the outer side of the maintenance device main body (1), a control panel (5) is embedded and connected in the middle of the other end of the supporting plate (2), a bearing plate (7) is fixedly connected to the bottom of the supporting plate (2), a fixing plate (9) is movably connected to the outer side of the top of the supporting plate (2), a thermal insulation cover (10) is fixedly connected to the inner side of the top of the supporting plate (2), a battery pack (8) is fixedly connected to the bottom of the other side of the inner part of the bearing plate (7), a connecting groove (11) is embedded and connected in the inner wall of the top of the other side of the bearing plate (7), and a positioning clamping groove (19) is fixedly connected to the inner layer of the connecting groove (11), the heat-insulation protective sleeve is characterized in that a heat-insulation sleeve ring (13) is fixedly connected to the outer side of the protective sleeve (3), a first heat-conduction element (15) is fixedly connected to the inner wall of the bottom end of the inner side of the protective sleeve (3), and a second heat-conduction element (18) is fixedly connected to the inner wall of the top end of the inner side of the protective sleeve (3).
2. The automatic control maintenance device of electromechanical equipment according to claim 1, wherein: the temperature sensing device is characterized in that a temperature sensing unit (14) is fixedly connected to the middle position of the inner side bottom end of the protective sleeve (3), a mica sheet (16) is fixedly connected to the middle position of the inner portion of the heat-insulating sleeve ring (13), an insulating block (17) is connected to the other side of the bottom of the heat-insulating sleeve ring (13) in an embedded mode, and an anti-slip pad (6) is connected to the bottom end of the supporting plate (2) in an embedded mode.
3. The automatic control maintenance device of electromechanical equipment according to claim 1, wherein: the fixing teeth (12) are fixedly connected to the top end of the other side of the fixing plate (9), and the fixing teeth (12) are arranged in a concave-convex uniform shape and are meshed with the positioning clamping grooves (19).
4. The automatic control maintenance device of electromechanical equipment according to claim 1, wherein: the supporting plate (2) is provided with one.
5. The automatic control maintenance device of electromechanical equipment according to claim 1, wherein: the fixing plate (9) and the heat preservation cover (10) are both arc-shaped.
6. The automatic control maintenance device of electromechanical equipment according to claim 1, wherein: the number of the protective sleeves (3) is one.
7. The automatic control maintenance device of electromechanical equipment according to claim 1, wherein: the first heat conducting element (15) and the second heat conducting element (18) can form a ring shape.
CN202121429617.7U 2021-06-25 2021-06-25 Automatic control maintenance device for electromechanical equipment Expired - Fee Related CN215006404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121429617.7U CN215006404U (en) 2021-06-25 2021-06-25 Automatic control maintenance device for electromechanical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121429617.7U CN215006404U (en) 2021-06-25 2021-06-25 Automatic control maintenance device for electromechanical equipment

Publications (1)

Publication Number Publication Date
CN215006404U true CN215006404U (en) 2021-12-03

Family

ID=79102746

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121429617.7U Expired - Fee Related CN215006404U (en) 2021-06-25 2021-06-25 Automatic control maintenance device for electromechanical equipment

Country Status (1)

Country Link
CN (1) CN215006404U (en)

Similar Documents

Publication Publication Date Title
CN215006404U (en) Automatic control maintenance device for electromechanical equipment
CN203597518U (en) Electrothermal constant-temperature camera bag suitable for use in winter
CN206269230U (en) Ceramic heat-storing warmer
CN209607885U (en) A kind of low temperature self-heating battery
CN104621760A (en) Automatic temperature control down jacket
CN202179143U (en) Self-heating thermal garment
CN213401380U (en) Low-temperature-resistant thermally coupled lithium ion battery
CN203910939U (en) Thermal insulation box for storage battery
CN203576733U (en) Semiconductor solid-state multi-layer integrated electronic ice bag
CN104716285A (en) Heatable battery box
CN104037472A (en) Lithium ion battery pack heat management device based on PTC resistance tape heating
CN212973234U (en) Simple and easy ice compress device of orthopedics nursing
CN214363818U (en) Tap water pipe device with anti-freezing function
CN218039445U (en) Unmanned aerial vehicle power battery insulation can
CN201388565Y (en) Electric heating glove
CN216590536U (en) Ice expansion prevention device for pipeline laying protection
CN216407929U (en) Water conservancy water and electricity freeze-proof device
CN205560944U (en) Electromagnetic type heating room heater
CN216089043U (en) Self-heating medical glove
CN113768227B (en) Temperature-control internal circulation epidemic prevention suit
CN214104835U (en) Medical first-aid blanket with heating function
CN214672804U (en) Cold-resistant lithium battery
CN210486500U (en) Protection structure for sodium-sulfur battery heating furnace
CN210770954U (en) Anti-freezing device for water supply pipeline in winter
CN210896676U (en) High-temperature-resistant cable for railway

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211203

CF01 Termination of patent right due to non-payment of annual fee