CN210349665U - Electric operating device and grounding switch operating cabinet - Google Patents
Electric operating device and grounding switch operating cabinet Download PDFInfo
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- CN210349665U CN210349665U CN201921358893.1U CN201921358893U CN210349665U CN 210349665 U CN210349665 U CN 210349665U CN 201921358893 U CN201921358893 U CN 201921358893U CN 210349665 U CN210349665 U CN 210349665U
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Abstract
An electric operating device and a grounding switch operating cabinet. The problem of current earthing switch troublesome poeration and can only manual operation is solved. It includes the cabinet body, the cabinet internal earthing switch, be used for driving the earthing operation axle of earthing switch action, earthing switch on be equipped with foretell electric operating means, electric operating means include drive element, output mechanism and clutching mechanism, drive element be connected with output mechanism through clutching mechanism, clutching mechanism and output mechanism between be equipped with the protector, the protector have with clutching mechanism, output mechanism synchronous motion's first state and surpass and separate the second state that makes clutching mechanism, output mechanism unable synchronous motion when setting for the moment of torsion. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, long service life, advantages such as security performance height.
Description
Technical Field
The utility model relates to an earthing switch operation cabinet, concretely relates to electric operating means and earthing switch operation cabinet.
Background
The switch cabinet is an electric device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch circuit is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The main function of the switch gear is to open, close, control and protect the electric equipment in the process of generating, transmitting, distributing and converting electric energy of the power system. The components in the switch cabinet mainly comprise a circuit breaker, a disconnecting switch, a load switch, an operating mechanism, a mutual inductor, a grounding switch, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades, and the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like are mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, factories and mining enterprises, residential districts, high-rise buildings and the like.
An earthing switch (earthing switch) is a mechanical earthing device used for the mechanical switch of the circuit earthing part, and the earthing switch in the medium and high voltage switch cabinets is used for ensuring the personal safety during maintenance and earthing. The portable grounding wire is used for replacing a portable grounding wire, and grounding equipment when high-voltage equipment and lines are overhauled, so that personal safety is protected; artificial grounding is caused, and the protection requirement is met; the earthing switch is arranged beside the disconnecting switches on the two sides of the circuit breaker, and the earthing switch plays a role in earthing the two sides when the circuit breaker is overhauled. The existing grounding switch is usually driven to be disconnected or closed by a grounding operation main shaft, an interlocking device is arranged on the grounding operation main shaft, and when a rear door (sealing plate) is closed, the interlocking device is unlocked to operate the grounding switch; when the grounding switch is in a closing state and the back door (closing plate) is opened, the interlocking device is locked, so that the grounding operation main shaft cannot rotate, the grounding switch cannot be opened, and the safety of maintainers is ensured.
The existing grounding switch can only be operated manually, namely, the grounding operation shaft is driven by the action of the operation handle, so that the grounding switch is folded or separated, the operation is time-consuming and labor-consuming, the field operation is required, and the efficiency is low. Although the simple addition of the electric operating mechanism can realize the switching-on and switching-off operation of the grounding switch, the safety is poor, for example, the grounding switch is used as a main protection measure, usually, the grounding switch and an opened cabinet door (back door) can be interlocked, and the grounding switch and the operating mechanism of the circuit breaker can also be interlocked in an operating mode, that is, when the electric operating mechanism malfunctions or a grounding operating shaft is clamped and interfered, the electric operating mechanism is easily damaged, and even the personal safety is affected.
SUMMERY OF THE UTILITY MODEL
For solving the problem that current earthing switch troublesome poeration and can only manual operation among the background art, the utility model provides an electric operating device and earthing switch operation cabinet.
The technical scheme of the utility model is that: the utility model provides an electric operating device, includes drive element, output mechanism and clutching mechanism, drive element be connected with output mechanism through clutching mechanism, clutching mechanism make drive element drive the first state of output mechanism action and make drive element and output mechanism separation second state that can not synchronous motion when closing when having closing during electric operation, clutching mechanism and output mechanism between be equipped with the protector, the protector have with clutching mechanism, output mechanism synchronous motion's first state and exceed and separate when setting for the moment of torsion and make clutching mechanism, output mechanism can not synchronous motion's second state.
As an improvement of the present invention, the output mechanism includes an output wheel for driving the operation member to move, the protector includes a locking wheel, the clutch mechanism is connected with the locking wheel, and the locking wheel is connected with the output wheel.
As a further improvement, the protector comprises a first transmission shaft and a clutch assembly, the locking wheel sleeve is arranged on the first transmission shaft, and the clutch assembly has a second position which enables the locking wheel and the first transmission shaft to synchronously rotate, and enables the locking wheel and the first transmission shaft to be separated and cannot synchronously rotate when exceeding a set torque.
As a further improvement, the clutch assembly include the connecting piece, first transmission shaft on be equipped with the transmission groove, the connecting piece locate the transmission groove of first transmission shaft and make locking wheel and first transmission shaft ability synchronous rotation when clutch assembly is in the first position, the connecting piece make the relative first transmission shaft rotation of locking wheel when clutch assembly is in the second position.
As a further improvement of the present invention, the clutch assembly includes an adjusting plate, an elastic member and an adjusting member, the elastic member is disposed between the connecting member and the adjusting member, the adjusting member is fixed on the adjusting plate and used for adjusting the elastic force of the elastic member, the elastic member has a movement tendency that presses the connecting member to make the connecting member tend to the first transmission shaft.
As a further improvement, the locking wheel on be equipped with flange portion, flange portion on be equipped with intercommunicating pore and mounting hole, the adjusting disk cover locate outside the flange portion of locking wheel, the elastic component locate in the intercommunicating pore, the adjusting disk on be equipped with the mounting that is used for fixed locking wheel and adjusting disk.
As a further improvement, the first transmission shaft is provided with a first transmission wheel, the first transmission wheel is meshed with the output wheel, and the clutch mechanism is meshed with the locking wheel through a gear assembly.
As a further improvement, clutch mechanism include pivot, axle sleeve and rotation wheel, rotation wheel be connected with the protector transmission, the axle sleeve cover locate in the pivot, rotation wheel cover locate outside the axle sleeve, the pivot on be equipped with the ball, the ball have when the drive element moves through the protector drive output mechanism action the primary importance and the manual operation time separation make the drive element can not drive the second place of output mechanism action.
The footpath of pivot upwards is equipped with a plurality of mounting grooves, the setting that corresponds in every mounting groove the ball, the axle sleeve on be equipped with the slotted hole of mounting groove one-to-one, the sunken recess that forms and the mounting groove corresponds of inner wall that rotates the wheel, the ball wear out the slotted hole when the first position of drive element action and make pivot and rotation wheel circumference linkage cooperation, fall into mounting groove, slotted hole when manual operation and make pivot and rotation wheel separation in.
The utility model provides a earthing switch operation cabinet, includes the cabinet body, the cabinet internal earthing switch that is equipped with, the earthing operation axle that is used for driving the earthing switch action, earthing switch on be equipped with foretell electric operating means, output mechanism cover locate on the earthing operation axle and be used for driving the earthing operation axle and rotate, clutching mechanism and output mechanism all locate in the casing, the casing be equipped with auxiliary switch outward, output mechanism on be equipped with the switch switching piece that is used for switching auxiliary switch, switch switching piece cover locate on the shaft coupling, the shaft coupling cover locate on the earthing operation axle and be connected with the output mechanism linkage.
The beneficial effects of the utility model are that, set up electric operating means on the ground connection operation axis, the cooperation control ground connection operation axis through drive element, clutching mechanism and output mechanism rotates to can realize that electric control ground connection operation axis rotates, ground switch operation labour saving and time saving, efficient, the system monitoring of being convenient for can not influence the damage drive element when clutching mechanism makes the action of ground connection operation axis when manual operation, influences product life. The protector can enable the clutch mechanism to idle and not drive the output mechanism and the grounding operation shaft to act when the driving element malfunctions or the grounding operation shaft is clamped and interfered, namely the output torque exceeds the set torque. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, long service life, advantages such as security performance height.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of the electric operation device 4 in fig. 1.
Fig. 3 is a schematic diagram of the exploded structure of fig. 2.
Fig. 4 is a schematic view of an exploded structure at the protector 8 of fig. 2.
Fig. 5 is an exploded view of the clutch mechanism 7 of fig. 3.
In the figure, 1, a cabinet body; 2. a grounding switch; 3. a ground operating shaft; 4. an electrically operated device; 5. a drive element; 6. an output mechanism; 61. an output wheel; 7. a clutch mechanism; 71. a rotating shaft; 711. a placing groove; 72. a shaft sleeve; 721. a slot; 73. a rotating wheel; 731. a groove; 74. a ball bearing; 8. a protector; 81. a locking wheel; 811. a flange portion; 812. a communicating hole; 813. mounting holes; 82. a first drive shaft; 821. a transmission groove; 83. a clutch assembly; 831. a connecting member; 832. an adjusting disk; 833. an elastic member; 834. an adjustment member; 84. a fixing member; 85. a first drive pulley; 86. a gear assembly; 9. a housing; 91. an auxiliary switch; 92. a switch switching member; 93. a coupling sleeve.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown by combining fig. 1 with fig. 2-5, an earthing switch operation cabinet comprises a cabinet body 1, the cabinet body 1 is internally provided with an earthing switch 2 and an earthing operation shaft 3 for driving the earthing switch 2 to act, the earthing switch 2 is provided with an electric operation device 4, the electric operation device 4 comprises a driving element 5, an output mechanism 6 and a clutch mechanism 7, the driving element 5 is connected with the output mechanism 6 through the clutch mechanism 7, the clutch mechanism 7 has a first state for driving the driving element 5 to drive the output mechanism 6 to act when being closed during electric operation and a second state for separating the driving element 5 from the output mechanism 6 and not moving synchronously when being manually operated, a protector 8 is arranged between the clutch mechanism 7 and the output mechanism 6, and the protector 8 has a first state for moving synchronously with the clutch mechanism 7 and the output mechanism 6 and a second state for separating the clutch mechanism 7 when exceeding a set torque, A second state in which the output mechanism 6 cannot move synchronously. The output mechanism 6 is sleeved on the grounding operation shaft 3 and used for driving the grounding operation shaft 3 to rotate, the clutch mechanism 7 and the output mechanism 6 are both arranged in the shell 9, the auxiliary switch 91 is arranged outside the shell 9, the output mechanism 6 is provided with a switch switching piece 92 used for switching the auxiliary switch 91, the switch switching piece 92 is sleeved on the coupling sleeve 72, and the coupling sleeve 72 is sleeved on the grounding operation shaft 3 and is in linkage connection with the output mechanism 6. The structure can reliably switch the auxiliary switch after the grounding switch moves in place, other parts in the cabinet body are reliably matched through the auxiliary switch, the interlocking is reliable, and the safety performance of the product is greatly improved. The utility model discloses set up electric operating means on the ground connection operation axis, the cooperation control ground connection operation axis through drive element, clutching mechanism and output mechanism rotates to can realize that electric control ground connection operation axis rotates, ground connection switch operation labour saving and time saving, it is efficient, the system monitoring of being convenient for, clutching mechanism can not influence damage drive element when making the action of ground connection operation axis when manual operation, influences product life. The protector can enable the clutch mechanism to idle and not drive the output mechanism and the grounding operation shaft to act when the driving element malfunctions or the grounding operation shaft is clamped and interfered, namely the output torque exceeds the set torque. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, long service life, advantages such as security performance height. Specifically, during manual operation, the grounding operation shaft drives the output wheel to rotate due to the arrangement of the clutch mechanism, the output wheel drives the gear assembly to rotate, and the clutch mechanism is in a second state (namely, separation) at the moment and cannot damage the driving element; when the electric operation is carried out, the driving element drives the rotating shaft of the clutch mechanism to move, the ball drives the rotating wheel to move, the protector is driven by the speed reduction function of the gear assembly to drive the output wheel to rotate, the grounding operation shaft is driven to rotate, and the grounding switch acts; when the grounding switch is in an interlocking position, is interfered and can not act or the driving element can not act in error, namely the torque force required to control the rotation of the grounding operation shaft is increased, and when the torque force is greater than the set value of the protector, the protector can idle, so that the electric equipment and the personal safety are protected.
The output mechanism 6 comprises an output wheel 61 for driving an operating component (a grounding operating shaft) to act, the protector 8 comprises a locking wheel 81, the clutch mechanism 7 is connected with the locking wheel 81, and the locking wheel 81 is connected with the output wheel 61. The structure transmits through the gear, the transmission is reliable, the structure is simple, the action is stable, and the torque force is transmitted rapidly.
The protector 8 comprises a first transmission shaft 82 and a clutch component 83, the locking wheel 81 is sleeved on the first transmission shaft 82, and the clutch component 83 is provided with a first position enabling the locking wheel 81 and the first transmission shaft 82 to synchronously rotate and a second position enabling the locking wheel 81 and the first transmission shaft 82 to be separated and incapable of synchronously rotating when a set torque is exceeded. When the grounding switch is in an interlocking position, is interfered and can not act or the driving element can not act in error, namely the torque force required to control the rotation of the grounding operation shaft is increased, and when the torque force is greater than the set value of the protector, the protector can idle, so that the electric equipment and the personal safety are protected.
The clutch assembly 83 includes a connecting member 831, the first transmission shaft 82 is provided with a transmission groove 821, the connecting member 831 is disposed in the transmission groove 821 of the first transmission shaft 82 when the clutch assembly 83 is at the first position and enables the locking wheel 81 and the first transmission shaft 82 to rotate synchronously, and the connecting member 831 enables the locking wheel 81 to rotate relative to the first transmission shaft 82 when the clutch assembly 83 is at the second position. Specifically, the clutch assembly 83 includes an adjusting plate 832, an elastic member 833 and an adjusting member 834, the elastic member 833 is disposed between the connecting member 831 and the adjusting member 834, the adjusting member 834 is fixed on the adjusting plate 832 and is used for adjusting the elastic force of the elastic member 833, and the elastic member 833 has a tendency of pressing the connecting member 831 to tend to move the first transmission shaft 82. Thereby the connecting piece passes through the elastic component and presses on first transmission shaft and make locking wheel and first transmission shaft synchronous rotation, when ground connection operation axle interferes or can not rotate, the torsion increase of first transmission shaft through first drive wheel output, when torsion exceeded the setting value, the connecting piece compression elastic component to make the connecting piece break away from the transmission groove, realize the idle running of locking wheel, play the guard action. Specifically, the elastic part is a spring.
Locking wheel 81 on be equipped with flange portion 811, flange portion 811 on be equipped with intercommunicating pore 812 and mounting hole 813, adjusting disk 832 outside the flange portion 811 of locating locking wheel 81, elastic component 833 locate in intercommunicating pore 812, adjusting disk 832 on be equipped with the mounting 84 that is used for fixed locking wheel 81 and adjusting disk 832. The mounting makes adjustment disk and locking wheel fixed, and specific saying so, mounting and regulating part are crisscross to be set up on the adjustment disk. Therefore, the adjusting disc is convenient and reliable to fix, and meanwhile, the adjusting piece is convenient to adjust the pressure of the elastic piece, so that the opening force of the protector is adjusted.
The mounting grooves 711 are arranged in a row of three, the mounting grooves 711 in each row are uniformly arranged on the circumference of the outer wall of the rotating shaft 71, and the mounting grooves 711 are conical grooves. Specifically, the mounting grooves 711 have at least two rows. The multi-row placing grooves and the balls are arranged, so that torsion can be reliably transmitted, the grounding operation shaft is driven to reliably act, the structure is simple, and the operation is convenient and reliable.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.
Claims (10)
1. An electrically operated device characterized by: comprises a driving element (5), an output mechanism (6) and a clutch mechanism (7), the driving element (5) is connected with the output mechanism (6) through a clutch mechanism (7), the clutch mechanism (7) has a first state that the driving element (5) drives the output mechanism (6) to act when the clutch mechanism is closed during electric operation and a second state that the driving element (5) and the output mechanism (6) are separated and cannot move synchronously during manual operation, a protector (8) is arranged between the clutch mechanism (7) and the output mechanism (6), the protector (8) has a first state of synchronous movement with the clutch mechanism (7) and the output mechanism (6) and a second state of separation when the set torque is exceeded, so that the clutch mechanism (7) and the output mechanism (6) cannot move synchronously.
2. An electrically operated device according to claim 1, characterized in that the output means (6) comprises an output wheel (61) for driving the operating member, the protector (8) comprises a locking wheel (81), the clutch means (7) is connected to the locking wheel (81), and the locking wheel (81) is connected to the output wheel (61).
3. An electrically operated device according to claim 2, wherein the protector (8) comprises a first transmission shaft (82) and a clutch assembly (83), the locking wheel (81) is sleeved on the first transmission shaft (82), and the clutch assembly (83) has a first position where the locking wheel (81) and the first transmission shaft (82) rotate synchronously and a second position where the locking wheel (81) and the first transmission shaft (82) are separated and cannot rotate synchronously when a set torque is exceeded.
4. An electrically operated device according to claim 3, wherein the clutch assembly (83) comprises a connecting member (831), the first transmission shaft (82) is provided with a transmission groove (821), the connecting member (831) is arranged in the transmission groove (821) of the first transmission shaft (82) when the clutch assembly (83) is in the first position and enables the locking wheel (81) and the first transmission shaft (82) to rotate synchronously, and the connecting member (831) enables the locking wheel (81) to rotate relative to the first transmission shaft (82) when the clutch assembly (83) is in the second position.
5. An electrically operated device according to claim 4, wherein said clutch assembly (83) comprises an adjusting plate (832), an elastic member (833) and an adjusting member (834), said elastic member (833) being disposed between the connecting member (831) and the adjusting member (834), said adjusting member (834) being fixed to the adjusting plate (832) and being adapted to adjust the elastic force of the elastic member (833), said elastic member (833) having a tendency to press the connecting member (831) to tend to the movement of the first transmission shaft (82).
6. An electric operating device according to claim 5, characterized in that the locking wheel (81) is provided with a flange portion (811), the flange portion (811) is provided with a communication hole (812) and a mounting hole (813), the adjusting plate (832) is sleeved outside the flange portion (811) of the locking wheel (81), the elastic member (833) is arranged in the communication hole (812), and the adjusting plate (832) is provided with a fixing member (84) for fixing the locking wheel (81) and the adjusting plate (832).
7. An electrically operated device according to claim 3, wherein the first drive shaft (82) is provided with a first drive wheel (85), the first drive wheel (85) is engaged with the output wheel (61), and the clutch mechanism (7) is engaged with the locking wheel (81) through a gear assembly (86).
8. The electric operating device according to claim 1, wherein the clutch mechanism (7) comprises a rotating shaft (71), a shaft sleeve (72) and a rotating wheel (73), the rotating wheel (73) is in transmission connection with the protector (8), the shaft sleeve (72) is sleeved on the rotating shaft (71), the rotating wheel (73) is sleeved outside the shaft sleeve (72), a ball (74) is arranged on the rotating shaft (71), the ball (74) has a first position for driving the output mechanism (6) to act through the protector (8) when the driving element (5) acts and a second position for preventing the driving element (5) from driving the output mechanism (6) to act when the driving element (5) is manually operated, and the first position and the second position are separated.
9. An electric operation device according to claim 8, wherein a plurality of mounting grooves (711) are radially formed on the rotating shaft (71), the balls (74) are correspondingly arranged in each mounting groove (711), the sleeve (72) is provided with slot holes (721) corresponding to the mounting grooves (711) one by one, the inner wall of the rotating wheel (73) is recessed to form a groove (731) corresponding to the mounting grooves (711), the balls (74) penetrate through the slot holes (721) when the driving element (5) acts at the first position so that the rotating shaft (71) and the rotating wheel (73) are in circumferential linkage fit, and the balls fall into the mounting grooves (711) and the slot holes (721) when being manually operated so that the rotating shaft (71) and the rotating wheel (73) are separated.
10. The utility model provides an earthing switch operation cabinet, includes the cabinet body (1), its characterized in that: the electric operating device is characterized in that a grounding switch (2) and a grounding operating shaft (3) for driving the grounding switch (2) to act are arranged in the cabinet body (1), the grounding switch (2) is provided with the electric operating device according to any one of claims 1-9, the output mechanism (6) is sleeved on the grounding operating shaft (3) and used for driving the grounding operating shaft (3) to rotate, the clutch mechanism (7) and the output mechanism (6) are both arranged in the shell (9), an auxiliary switch (91) is arranged outside the shell (9), the output mechanism (6) is provided with a switch switching piece (92) for switching the auxiliary switch (91), the switch switching piece (92) is sleeved on the coupling sleeve (72), and the coupling sleeve (72) is sleeved on the grounding operating shaft (3) and is in linkage connection with the output mechanism (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358893.1U CN210349665U (en) | 2019-08-21 | 2019-08-21 | Electric operating device and grounding switch operating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358893.1U CN210349665U (en) | 2019-08-21 | 2019-08-21 | Electric operating device and grounding switch operating cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210349665U true CN210349665U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921358893.1U Active CN210349665U (en) | 2019-08-21 | 2019-08-21 | Electric operating device and grounding switch operating cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210349665U (en) |
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2019
- 2019-08-21 CN CN201921358893.1U patent/CN210349665U/en active Active
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Address after: 325000 No. 58, Jixian Road, Louqiao Industrial Zone, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Address before: 325000, Jixian Road, Wenzhou, Ouhai District, Zhejiang province 12 Patentee before: XINGJI ELECTRIC APPLIANCE Co.,Ltd. |
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Address after: 325000 58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: Xingji Electric Appliance Group Co.,Ltd. Country or region after: China Address before: 325000 58 Jixian Road, Louqiao Industrial Zone, Ouhai District, Wenzhou City, Zhejiang Province Patentee before: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Country or region before: China |