CN215452083U - Intelligent integrated power supply system protection device - Google Patents
Intelligent integrated power supply system protection device Download PDFInfo
- Publication number
- CN215452083U CN215452083U CN202120955820.1U CN202120955820U CN215452083U CN 215452083 U CN215452083 U CN 215452083U CN 202120955820 U CN202120955820 U CN 202120955820U CN 215452083 U CN215452083 U CN 215452083U
- Authority
- CN
- China
- Prior art keywords
- fire extinguisher
- iron plate
- power supply
- supply system
- electromagnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 98
- 229910052742 iron Inorganic materials 0.000 claims description 49
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000010354 integration Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an intelligent integrated power supply system protection device, and particularly relates to the technical field of power supply system protection. According to the utility model, the rectangular frame is automatically lifted by the first spring when the power is off, so that the switch on the fire extinguisher is automatically pressed to open the fire extinguisher, thereby automatically extinguishing a fire when a short circuit fire happens, and avoiding the danger of manual fire extinguishing and electric shock.
Description
Technical Field
The utility model relates to the technical field of power supply system protection, in particular to an intelligent integrated power supply system protection device.
Background
The power supply system provides various high and low frequency alternating current and direct current power supplies for various motors, and can maintain the stable operation of the motor system. The integrated power supply system is a whole consisting of rectifying equipment, direct-current power distribution equipment, a storage battery pack, a direct-current converter, rack power supply equipment and the like and related distribution lines. Power supply systems play an important role in the modern times, often determining whether one or more devices are functioning properly. In order to protect the power supply system, the various devices that make up the power supply system are often housed in a protective control cabinet.
Protection switch board among the prior art can't take place the short circuit at electrical power generating system and arouse self-extinguishing when the conflagration, put out a fire untimely, brings bigger damage for electrical power generating system easily, still needs people to manually open the fire extinguisher and the cabinet door just can put out a fire, but when the emergence short circuit in the switch board, the switch board can carry electric current because of the short circuit, in case people touch the cabinet door and will have the danger of electrocuteeing.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an intelligent integrated power supply system protection device, which can automatically lift a rectangular frame by utilizing a first spring when power is off so as to automatically press a switch on a fire extinguisher to open the fire extinguisher, thereby automatically extinguishing fire when short circuit fire happens and extinguishing fire in time, thereby protecting an internal power supply system, and also avoiding the danger of electric shock caused by manual fire extinguishing so as to solve the problem of electric shock danger caused by manual fire extinguishing because automatic fire extinguishing cannot be carried out in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: an intelligent integrated power supply system protection device comprises a protection control cabinet, wherein a box body is arranged on one side of the protection control cabinet, a fire extinguisher is arranged at the bottom end inside the box body, a communicating mechanism is fixedly arranged at a nozzle of the fire extinguisher, a first electromagnet is arranged on one side of the fire extinguisher and fixedly arranged at the bottom end inside the box body, a first iron plate is adsorbed at the top of the first electromagnet, a rectangular frame is fixedly arranged at the top of the first iron plate, a handle on one side of the fire extinguisher penetrates through the rectangular frame, two first springs are fixedly arranged at the top end of the rectangular frame, the top ends of the first springs are fixedly connected with the top end inside the box body, a connecting rope is fixedly arranged at one end of a safety bolt of the fire extinguisher, one end of the connecting rope is fixedly connected with the rear wall inside the box body, a second spring is fixedly arranged at the other end of the safety bolt of the fire extinguisher, one end of the second spring is fixedly connected with the front wall inside the box body, the cutting knife is fixedly arranged on the rear side of the rectangular frame and arranged at the bottom of the connecting rope, and the shielding mechanism is arranged inside the protection control cabinet.
Further, the feed mechanism includes the intercommunication cover, the fixed outer end of cover at the fire extinguisher nozzle of intercommunication cover, the fixed connecting pipe that is equipped with in intercommunication cover bottom, the connecting pipe is established inside the box and is passed the box and extend into the inside bottom of protection switch board, the fixed funnel that is equipped with in connecting pipe top, the funnel is inlayed in the protection switch board inner wall.
Further, the shielding mechanism comprises a second iron plate, the second iron plate is arranged at the top of the funnel, a second electromagnet is arranged on one side of the second iron plate, the second electromagnet adsorbs the second iron plate, two third springs are fixedly arranged on the other side of the second iron plate, and one ends of the third springs are fixedly connected with the inside of the protection control cabinet.
Furthermore, a groove is formed in the bottom end of the interior of the protection control cabinet, the third spring is arranged in the groove, and the second iron plate is matched with the groove.
Further, a cabinet door is arranged on the front side of the protection control cabinet and movably connected with the protection control cabinet through hinges.
Furthermore, a box door is arranged on one side of the box body, and the box door is movably connected with the box body through a hinge.
Furthermore, the first electromagnet and the second electromagnet are connected in series in a power supply system inside the protection control cabinet.
The utility model has the following advantages:
1. according to the utility model, the first electromagnet is connected with the power supply system, when a short circuit occurs in the protection control cabinet, the first electromagnet and the power supply system can be powered off simultaneously, then the rectangular frame can be driven to move upwards under the action of the first spring, and the cutter can be driven to move upwards through the rectangular frame, so that the cutter can cut off the connecting rope, the second spring can pull out the safety bolt on the fire extinguisher, and the switch of the fire extinguisher can be opened under the action of the first spring and the rectangular frame, therefore, dry powder can be sprayed into the protection control cabinet by the fire extinguisher in time to play a role of fire extinguishing when the short circuit occurs, so that the ignition point in the protection control cabinet can be put out in time when the fire is small, compared with the prior art, the danger of electric shock caused by manual fire extinguishing can be effectively avoided, and the fire can be put out in time, to protect the power system inside the control cabinet;
2. according to the utility model, the movable second iron plate is arranged at the bottom end in the protection control cabinet, so that the funnel can be shielded by the second iron plate from the top, equipment parts in the protection control cabinet can be conveniently prevented from falling into the funnel to cause blockage of the funnel, the second iron plate is adsorbed by the second electromagnet, the second iron plate is connected with a power supply system, and when a short circuit occurs in the protection control cabinet, the second electromagnet and the power supply system can be powered off simultaneously, so that the limitation on the second iron plate can be lost while the power is off, and the second iron plate can move to one side under the action of a third spring on one side, so that the second iron plate can prevent the dry powder in the funnel from being blocked by the second iron plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a schematic structural view of a cutter and a connecting rope provided by the present invention;
FIG. 3 is a schematic structural view of the moving plate, the second electromagnet and the third spring according to the present invention;
FIG. 4 is a schematic structural diagram of a funnel and a connecting tube according to the present invention;
fig. 5 is a schematic structural diagram of a cabinet door and a cabinet door provided by the present invention.
In the figure: the fire extinguisher comprises a protection control cabinet 1, a box body 2, a fire extinguisher 3, a communicating cover 4, a connecting pipe 5, a funnel 6, a first electromagnet 7, a first iron plate 8, a rectangular frame 9, a first spring 10, a connecting rope 11, a second spring 12, a cutter 13, a second iron plate 14, a second electromagnet 15, a third spring 16, a cabinet door 17 and a cabinet door 18.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-4 of the specification, the intelligent integrated power supply system protection device of the embodiment comprises a protection control cabinet 1, a box body 2 is arranged on one side of the protection control cabinet 1, a fire extinguisher 3 is arranged at the bottom end inside the box body 2, a communicating mechanism is fixedly arranged at the nozzle of the fire extinguisher 3, a first electromagnet 7 is arranged on one side of the fire extinguisher 3, the first electromagnet 7 is fixedly arranged at the bottom end inside the box body 2, a first iron plate 8 is adsorbed at the top of the first electromagnet 7, a rectangular frame 9 is fixedly arranged at the top of the first iron plate 8, a handle on one side of the fire extinguisher 3 penetrates through the rectangular frame 9, the position of the first iron plate 8 is limited by the first electromagnet 7, the position of the rectangular frame 9 is limited by the first iron plate 8, so that the rectangular frame 9 can be limited at the outer end of the handle on the fire extinguisher 3, two first springs 10 are fixedly arranged at the top end of the rectangular frame 9, the top end of the first spring 10 is fixedly connected with the top end inside the box body 2, at the moment, the first spring 10 is in a stretching state, once the inside of the protection control cabinet 1 is short-circuited, the first electromagnet 7 is powered off and loses the limitation on the first iron plate 8, then the first spring 10 drives the rectangular frame 9 to move upwards under the action of self elasticity, so that the fire extinguisher 3 can be opened by pressing a handle, one end of a safety bolt of the fire extinguisher 3 is fixedly provided with a connecting rope 11, one end of the connecting rope 11 is fixedly connected with the rear wall inside the box body 2, the other end of the safety bolt of the fire extinguisher 3 is fixedly provided with a second spring 12, one end of the second spring 12 is fixedly connected with the front wall inside the box body 2, the rear side of the rectangular frame 9 is fixedly provided with a cutter 13, the cutter 13 is arranged at the bottom of the connecting rope 11, and before the rectangular frame 9 presses the handle on the fire extinguisher 3, the rectangular frame 9 drives the cutter 13 to move upwards, thereby can cut off connecting rope 11, then second spring 12 can pull down the safety catch on fire extinguisher 3 under the effect of self elasticity to guarantee that rectangle frame 9 can open fire extinguisher 3 smoothly when pressing the handle on fire extinguisher 3, protection switch board 1 is inside to be equipped with shelters from the mechanism.
Further, the first electromagnet 7 is connected in series in the power supply system inside the protection control cabinet 1, so that the first electromagnet 7 can be powered off simultaneously when the power supply system inside the protection control cabinet 1 is short-circuited, and the limitation on the first iron plate 8 and the rectangular frame 9 can be lost.
The implementation scenario is specifically as follows: when a short circuit occurs inside the protection control cabinet 1, the first electromagnet 7 and the power supply system can be powered off simultaneously, the first electromagnet 7 can be powered off and loses the limitation on the first iron plate 8, then the first spring 10 which is originally in a stretching state can drive the rectangular frame 9 to move upwards under the action of self elasticity, and can also drive the cutter 13 to move upwards through the rectangular frame 9, so that the cutter 13 can cut off the connecting rope 11, the second spring 12 in the stretching state can pull out the safety bolt on the fire extinguisher 3 under the action of self elasticity, then the rectangular frame 9 can extrude the handle on the fire extinguisher 3 in the process of moving upwards, so that the fire extinguisher 3 can be opened smoothly, the fire extinguishing dry powder can be sprayed out through the nozzle by the fire extinguisher 3, and the dry powder can be sprayed into the protection control cabinet 1 by the fire extinguisher 3 in time to achieve the effect of fire extinguishing when the short circuit occurs, can in time put out the ignition point inside protection switch board 1 when the intensity of a fire is less, compare with prior art, can effectually avoid the danger of the electric shock that the manual work exists of putting out a fire, but also can in time put out the fire to protect the electrical power generating system inside protection switch board 1.
Referring to the attached drawings 1, 3 and 4 of the specification, the intelligent integrated power supply system protection device of the embodiment comprises a communication cover 4, the communication cover 4 is fixedly covered at the outer end of a nozzle of a fire extinguisher 3, dry powder sprayed by the fire extinguisher 3 can be collected by the communication cover 4, a connecting pipe 5 is fixedly arranged at the bottom end of the communication cover 4, the connecting pipe 5 is arranged inside a box body 2 and penetrates through the box body 2 to extend into the bottom end of the protection control cabinet 1, a funnel 6 is fixedly arranged at the top of the connecting pipe 5, the funnel 6 is embedded in the inner wall of the protection control cabinet 1, and the dry powder in the communication cover 4 can be transmitted to the inside of the protection control cabinet 1 under the action of the connecting pipe 5 and the funnel 6, so that flame inside the protection control cabinet 1 can be put out.
The implementation scenario is specifically as follows: after fire extinguisher 3 is opened, inside fire extinguisher 3 spun dry powder can advance to go into communicating cover 4, then inside rethread communicating cover 4 gets into connecting pipe 5 and funnel 6, inside protection switch board 1 is sprayed to rethread funnel 6 at last to can in time put out the inside flame of protection switch board 1.
Referring to fig. 1, 3 and 4 of the specification, the intelligent integrated power supply system protection device of this embodiment includes a second iron plate 14, the second iron plate 14 is disposed on the top of the funnel 6, and can prevent electric parts and dust inside the protection control cabinet 1 from falling into the funnel 6 to block the funnel 6, a second electromagnet 15 is disposed on one side of the second iron plate 14, the second electromagnet 15 adsorbs the second iron plate 14, the position of the second iron plate 14 can be limited by the second electromagnet 15, two third springs 16 are fixedly disposed on the other side of the second iron plate 14, one end of each third spring 16 is fixedly connected to the inside of the protection control cabinet 1, and each third spring 16 can pull the second iron plate 14 to move when the second electromagnet 15 is powered off, so as to prevent the funnel 6 from being blocked by the second iron plate 14.
Further, a groove is formed in the bottom end inside the protection control cabinet 1, the third spring 16 is arranged inside the groove, the second iron plate 14 is matched with the groove, the third spring 16 can move the second iron plate 14 away from the top of the funnel 6 conveniently, and therefore the funnel 6 can be prevented from being shielded by the second iron plate 14.
Further, the second electromagnet 15 is connected in series to the power supply system inside the protection control cabinet 1, and the power supply to the second electromagnet 15 can be cut off at the same time as the power failure occurs inside the protection control cabinet 1, so that the second electromagnet 15 can be out of the limit on the second iron plate 14.
The implementation scenario is specifically as follows: when a power supply system inside the protection control cabinet 1 is short-circuited, the second electromagnet 15 is powered off at the same time, then the second electromagnet 15 does not adsorb the second iron plate 14, so that the position of the second iron plate 14 cannot be continuously limited, then the stretched third spring 16 drives the second iron plate 14 to move towards the groove under the action of the elastic force of the third spring, so that the second iron plate 14 can be moved away from the top of the funnel 6, and dry powder inside the funnel 6 can be smoothly sprayed out.
Referring to the attached drawing 5 in the specification, in the protection device for the intelligent integrated power supply system of the embodiment, a cabinet door 17 is arranged on the front side of the protection control cabinet 1, and the cabinet door 17 is movably connected with the protection control cabinet 1 through a hinge, so that the equipment inside the protection control cabinet 1 can be checked conveniently by opening the cabinet door 17.
Furthermore, a box door 18 is arranged on one side of the box body 2, the box door 18 is movably connected with the box body 2 through a hinge, so that equipment inside the box body 2 can be checked at any time by opening the box door 18, and the fire extinguisher 3 inside the box body 2 can be replaced after fire extinguishment.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides an intelligence integration electrical power generating system protection device, includes protection switch board (1), its characterized in that: the fire extinguisher protection control cabinet is characterized in that a box body (2) is arranged on one side of a protection control cabinet (1), a fire extinguisher (3) is arranged at the bottom end inside the box body (2), a communicating mechanism is fixedly arranged at a nozzle of the fire extinguisher (3), a first electromagnet (7) is arranged on one side of the fire extinguisher (3), the first electromagnet (7) is fixedly arranged at the bottom end inside the box body (2), a first iron plate (8) is adsorbed at the top of the first electromagnet (7), a rectangular frame (9) is fixedly arranged at the top of the first iron plate (8), a handle on one side of the fire extinguisher (3) penetrates through the rectangular frame (9), two first springs (10) are fixedly arranged at the top end of the rectangular frame (9), the top end of each first spring (10) is fixedly connected with the top end inside the box body (2), a connecting rope (11) is fixedly arranged at one end of a safety bolt of the fire extinguisher (3), and one end of the connecting rope (11) is fixedly connected with the rear wall inside the box body (2), the safety plug of fire extinguisher (3) other end is fixed and is equipped with second spring (12), second spring (12) one end and the inside antetheca fixed connection of box (2), rectangle frame (9) rear side is fixed and is equipped with cutter (13), cutter (13) are established in connecting rope (11) bottom, protection switch board (1) inside is equipped with shelters from the mechanism.
2. The intelligent integrated power supply system protection device of claim 1, wherein: the utility model discloses a fire extinguisher, including intercommunication cover (4), intercommunication cover (4) fixed cover in the outer end of fire extinguisher (3) nozzle, intercommunication cover (4) bottom mounting is equipped with connecting pipe (5), connecting pipe (5) are established inside box (2) and are passed box (2) and extend into the inside bottom of protection switch board (1), connecting pipe (5) top is fixed and is equipped with funnel (6), funnel (6) are inlayed in protection switch board (1) inner wall.
3. The intelligent integrated power supply system protection device of claim 2, wherein: the shielding mechanism comprises a second iron plate (14), the second iron plate (14) is arranged at the top of the funnel (6), a second electromagnet (15) is arranged on one side of the second iron plate (14), the second electromagnet (15) adsorbs the second iron plate (14), two third springs (16) are fixedly arranged on the other side of the second iron plate (14), and one end of each third spring (16) is fixedly connected with the inside of the protection control cabinet (1).
4. The intelligent integrated power supply system protection device of claim 3, wherein: a groove is formed in the bottom end inside the protection control cabinet (1), the third spring (16) is arranged inside the groove, and the second iron plate (14) is matched with the groove.
5. The intelligent integrated power supply system protection device of claim 1, wherein: a cabinet door (17) is arranged on the front side of the protection control cabinet (1), and the cabinet door (17) is movably connected with the protection control cabinet (1) through a hinge.
6. The intelligent integrated power supply system protection device of claim 1, wherein: a box door (18) is arranged on one side of the box body (2), and the box door (18) is movably connected with the box body (2) through a hinge.
7. The intelligent integrated power supply system protection device of claim 3, wherein: the first electromagnet (7) and the second electromagnet (15) are connected in series in a power supply system inside the protection control cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120955820.1U CN215452083U (en) | 2021-05-07 | 2021-05-07 | Intelligent integrated power supply system protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120955820.1U CN215452083U (en) | 2021-05-07 | 2021-05-07 | Intelligent integrated power supply system protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215452083U true CN215452083U (en) | 2022-01-07 |
Family
ID=79706505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120955820.1U Active CN215452083U (en) | 2021-05-07 | 2021-05-07 | Intelligent integrated power supply system protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215452083U (en) |
-
2021
- 2021-05-07 CN CN202120955820.1U patent/CN215452083U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206976521U (en) | A kind of energy-accumulating power station for carrying early warning and fire-fighting system | |
| CN215452083U (en) | Intelligent integrated power supply system protection device | |
| CN111817075A (en) | Can avoid melting dustproof wiring board in hole | |
| CN114733108A (en) | Microcapsule fire extinguishing device for distribution box | |
| CN214057274U (en) | General type cabinet that charges | |
| CN207504359U (en) | A kind of safety and fireproof low-voltage distribution cabinet | |
| CN218124046U (en) | Power cabinet capable of automatically cutting off power and extinguishing fire when fire breaks out | |
| CN217391441U (en) | Building site power supply box on-line monitoring equipment | |
| CN213401925U (en) | Fireproof power distribution cabinet capable of efficiently extinguishing fire | |
| CN115078873A (en) | Load monitoring device for power distribution network | |
| CN209709479U (en) | A kind of maintenance power box of the anti-toy function of band | |
| CN215579608U (en) | Switch board with protect function | |
| CN214379334U (en) | High switch board of security | |
| CN211777942U (en) | Control cabinet for fire pump | |
| CN211720033U (en) | Power cabinet stable in installation | |
| CN210694562U (en) | Electric automatization is two automatically controlled operation panels that open door | |
| CN221282654U (en) | Mechanical control box capable of preventing false touch | |
| CN203135558U (en) | Power supply module of dual-power system capable of preventing maloperation in communication cabinet | |
| CN216529988U (en) | Protection type intelligent switch cabinet | |
| CN212086708U (en) | Fire control electric window opener control equipment with anti-collision function | |
| CN213093679U (en) | Seal distribution box for front wiring front maintenance | |
| CN215678529U (en) | Electrician's electronic voltage detection device that can prevent mistake and bump | |
| CN206314109U (en) | A kind of integral type patrols and examines switch board | |
| CN216016154U (en) | Power motor switch box for construction operation site | |
| CN211151191U (en) | Prevent mistake and touch type electrical control cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240522 Address after: Room 401, Building 48, No. 2180 Tianwei West Road, Xinshi District, Baoding City, Hebei Province, 071000 Patentee after: Li Lijiang Country or region after: China Address before: Room 1612, Pudong building, No. 2, Taixi Road, Jiangbei new area, Nanjing, Jiangsu 210018 Patentee before: NANJING RUIHUITE INTELLIGENT TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240621 Address after: Room 401, Unit 1 and Unit 2, Building 2, No. 21 Shuiyuan West Road, Miyun Economic Development Zone, Beijing, 101500 Patentee after: BEIJING SIHUIDA ELECTRIC POWER TECHNOLOGY Co.,Ltd. Country or region after: China Address before: Room 401, Building 48, No. 2180 Tianwei West Road, Xinshi District, Baoding City, Hebei Province, 071000 Patentee before: Li Lijiang Country or region before: China |