CN222014256U - Dual-input power monitoring component and AC monitoring device containing the same - Google Patents
Dual-input power monitoring component and AC monitoring device containing the same Download PDFInfo
- Publication number
- CN222014256U CN222014256U CN202420023696.9U CN202420023696U CN222014256U CN 222014256 U CN222014256 U CN 222014256U CN 202420023696 U CN202420023696 U CN 202420023696U CN 222014256 U CN222014256 U CN 222014256U
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- Prior art keywords
- circuit board
- shell
- power monitoring
- module
- dial
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 60
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 230000009977 dual effect Effects 0.000 claims 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16547—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies voltage or current in AC supplies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measurement Of Current Or Voltage (AREA)
- Alarm Systems (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model provides a double-input type power monitoring assembly and alternating current monitoring equipment comprising the same, wherein a control circuit board of the power monitoring assembly is positioned in a shell and is provided with an input module; the dial is arranged in the shell, the dial is electrically connected with the input module, and the operating end of the dial extends out to the outer surface of the shell; the first data connector is arranged in the shell and electrically connected with the input module, extends out to the outer surface of the shell and is used for being connected with external input equipment. When data is required to be written, the power monitoring component can be used for inputting data to the input module from the built-in dial, and can also be used for inputting data to the input module through an external input device connected to the first data connector, and the alternating current monitoring device can be used for various installation places.
Description
Technical Field
The utility model relates to a power monitoring assembly with a double input mode and alternating current monitoring equipment comprising the same.
Background
Conventional power monitoring methods in power distribution systems are generally implemented by using ac monitoring devices. The ac monitoring device generally includes a signal acquisition component and a monitoring component, the signal acquisition component is connected in the circuit for measuring an electrical energy parameter of the circuit, and the monitoring component is used for monitoring the electrical energy parameter measured by the signal acquisition component. The current and voltage measuring parts of the signal acquisition assembly can have measuring errors due to mass or structural differences, and each alternating current monitoring device is required to be provided with an electric quantity calibration coefficient.
Depending on the installation environment, the power calibration factor of the ac monitoring device needs to be set in a plurality of different ways. Thus, the ac monitoring device needs to design different input modes according to different installation environments. This results in excessive types of ac monitoring equipment and is not versatile.
Disclosure of utility model
The utility model aims to overcome the defect that an input mode of an electric quantity calibration coefficient of an electric power monitoring assembly in the prior art cannot be compatible with different installation environments, and provides a double-input-mode electric power monitoring assembly and alternating current monitoring equipment comprising the same.
The utility model solves the technical problems by the following technical proposal:
The utility model provides a double-input type power monitoring assembly, which comprises a shell, a control circuit board, a dial and a first data connector, wherein the control circuit board is positioned in the shell, and the control circuit board is provided with an input module; the dial is arranged in the shell, the dial is electrically connected with the input module, and the operation end of the dial extends out to the outer surface of the shell; the first data connector is installed in the shell, the first data connector is electrically connected with the input module, the first data connector extends out to the outer surface of the shell, and the first data connector is used for being connected with external input equipment.
In the technical scheme, when the installation place is not suitable for accessing the external input equipment, the external input equipment is not installed, and data is input only through the self-contained dialer; the first data connector can be adapted to various external input devices and can be adapted to various installation sites.
Preferably, the outer surface of the housing includes an operative surface facing an operator, the operative end of the dial being exposed to the operative surface of the housing.
In the technical scheme, when the device is installed, the operation end of the dial is set for operators, so that the operators can conveniently adjust the dial, and data input is performed.
Preferably, the control circuit board comprises a lower circuit board and an upper circuit board, the input module is arranged on the upper circuit board, the dial and the first data connector are fixed on the upper circuit board, and the upper circuit board is closer to the operation surface relative to the lower circuit board.
In the technical scheme, the control circuit board is divided into a lower circuit board and an upper circuit board, so that the whole volume of the power monitoring assembly can be reduced; the dial and the first data connector are fixed on the upper circuit board, so that the dial and the first data connector can be more conveniently electrically connected with the input module; the upper circuit board is close to the operation surface, so that the dial and the first data connector can extend out of the outer shell from a position close to the operation surface, and an operator can conveniently adjust the dial and connect external input equipment to the first data connector.
Preferably, the power monitoring assembly further comprises a panel, the panel is mounted on the outer surface of the shell, a through mounting hole is formed in the shell and the panel, and the dial extends out of the mounting hole to the outer surface of the panel.
In the technical scheme, the outer surface of the panel can be printed with information such as a marking symbol, a two-dimensional code and the like of the dial.
Preferably, the outer surface of the shell forms a concave area for mounting the panel, the panel is mounted in the concave area, and the outer surfaces of the panel and the shell form smooth surfaces.
In this technical scheme, the setting of sunk area has made things convenient for the installation of panel, makes the surface of the shell of installing the panel also can form smooth surface.
Preferably, the power monitoring assembly further comprises a second data connector, the second data connector is fixed on the control circuit board, the control circuit board is provided with a display module, the display module is in signal connection with the second data connector, and the second data connector is used for being connected with external display equipment.
In the technical scheme, the display module and the second data connector are arranged, so that the external display equipment is connected with the power monitoring assembly, and related data of the power monitoring assembly can be displayed.
The utility model also provides an alternating current monitoring device, which comprises the electric power monitoring assembly according to the technical scheme; the alternating current monitoring equipment is provided with a calibration storage module, and the calibration storage module is in signal connection with the input module.
In the technical scheme, the calibration storage module is used for storing relevant calibration coefficients such as an electric quantity calibration coefficient, a temperature calibration coefficient and the like, and data in the calibration storage module can be modified through the input module.
Preferably, the alternating current monitoring device further comprises a signal acquisition component, the signal acquisition component comprises a signal acquisition board, and the calibration storage module is arranged on the signal acquisition board.
In the technical scheme, due to individual differences of the signal acquisition components, each signal acquisition component needs to be independently provided with a relevant calibration coefficient; the calibration storage module is arranged on the signal acquisition assembly, so that the calibration coefficient of each signal acquisition assembly can be guaranteed to correspond to the calibration storage module.
Preferably, the signal acquisition component and the power monitoring component are detachably connected.
In this technical scheme, signal acquisition subassembly is detachable connection with electric power monitoring subassembly, and when this signal acquisition subassembly was combined with any monitoring subassembly, the calibration coefficient of the calibration memory module of signal acquisition subassembly all can be read, does not need to match the calibration coefficient again, has improved installation effectiveness.
Preferably, the control circuit board comprises a lower circuit board and an upper circuit board, the input module is arranged on the upper circuit board, the lower circuit board is provided with a main control module, the input module is in signal connection with the main control module, and the main control module is in signal connection with the calibration storage module.
In the technical scheme, data input by a dial or external input equipment enters the main control module through the input module, and then is written into the calibration storage module or other modules through the main control module.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the utility model.
The utility model has the positive progress effects that:
When data is required to be written, the electric power monitoring assembly with the double input mode and the alternating current monitoring equipment comprising the electric power monitoring assembly can be used for inputting data to the input module by using a self-contained dial of the electric power monitoring assembly, and can also be used for inputting data to the input module by using external input equipment connected to the first data connector; the alternating current monitoring equipment can be used for various installation places, and when the installation places are not suitable for being connected with external input equipment, the external input equipment can be not installed, and data can be input only through a self-contained dialer; the first data connector can be adapted to various external input devices and can be adapted to various installation sites.
Drawings
Fig. 1 is a schematic structural diagram of an ac monitoring device according to the present utility model.
Fig. 2 is a schematic diagram of a combination of a signal acquisition component and a power monitoring component of the ac monitoring device shown in fig. 1.
Fig. 3 is an assembled schematic diagram of the power monitoring assembly of the ac monitoring device shown in fig. 1.
Fig. 4 is a cross-sectional view of the ac monitoring device shown in fig. 1.
Fig. 5 is a schematic diagram of circuit connection of the ac monitoring device shown in fig. 1.
Description of the reference numerals
Signal acquisition assembly 1
Signal acquisition board 11
Calibration storage module 111
Power monitoring assembly 2
Housing 21
An operation surface 211
Recessed region 212
Control circuit board 22
Input module 221
Lower wiring board 222
Upper wiring board 223
Display module 224
Main control Module 225
Dial 23
Operating end 231
First data connector 24
Panel 25
Mounting holes 26
Second data connector 27
Detailed Description
The utility model is further illustrated by means of the following examples, which are not intended to limit the scope of the utility model.
As shown in fig. 1 to 2, the ac monitoring device includes a signal acquisition component 1 and a power monitoring component 2, wherein the signal acquisition component 1 is used for being connected in a circuit and acquiring electric quantity data of the circuit, and the power monitoring component 2 is used for monitoring the electric quantity data acquired by the signal acquisition component 1.
As shown in fig. 3, the power monitoring assembly 2 includes a housing 21, a control circuit board 22, a dial 23, and a first data connector 24, the control circuit board 22 is located in the housing 21, and the control circuit board 22 is provided with an input module 221; the dial 23 is arranged in the shell 21, the dial 23 is electrically connected with the input module 221, and the operation end of the dial 23 extends out to the outer surface of the shell 21; a first data connector 24 is mounted within the housing 21, the first data connector 24 being electrically connected to the input module 221, the first data connector 24 extending to an outer surface of the housing 21, the first data connector 24 being for connection to an external input device.
When data is to be written to the ac monitoring device, the power monitoring assembly 2 may be used to input data to the input module 221 from the self-contained dial 23, or may be used to input data to the input module 221 via an external input device connected to the first data connection 24. The AC monitoring device can be used in various installation places, and when the installation places are not suitable for being connected with external input devices, the external input devices are not installed, and data are input only through the self-contained dialer 23; while the first data connector 24 may be adapted to a variety of different external input devices, and may be adapted to a variety of different installation sites.
As shown in fig. 3, the outer surface of the housing 21 includes an operating surface 211 facing the operator, and the operating end 231 of the dial 23 is exposed to the operating surface 211 of the housing 21. During installation, the operation end 231 of the dial 23 is arranged facing an operator, so that the operator can conveniently adjust the dial 23 to input data.
As shown in fig. 3 and 4, the control circuit board 22 includes a lower circuit board 222 and an upper circuit board 223, the input module 221 is disposed on the upper circuit board 223, the dial 23 and the first data connector 24 are fixed on the upper circuit board 223, and the upper circuit board 223 is closer to the operation surface 211 than the lower circuit board 222. Dividing the control circuit board 22 into a lower circuit board 222 and an upper circuit board 223 can reduce the overall volume of the power monitoring assembly 1; fixing the dial 23 and the first data connector 24 on the upper circuit board 223 can enable the dial 23 and the first data connector 24 to be more conveniently electrically connected with the input module 221; the upper circuit board 223 is disposed near the operation surface 211, so that the dial 23 and the first data connector 24 can extend out of the housing 21 from a position near the operation surface 211, which facilitates the operator to adjust the dial 23 and connect an external input device to the first data connector 24.
As shown in fig. 3, the power monitoring assembly 2 further includes a panel 25, the panel 25 is mounted on the outer surface of the housing 21, mounting holes 26 are formed in the housing 21 and the panel 25, and the dial 23 extends from the mounting holes 26 to the outer surface of the panel 25. The outer surface of the panel 25 may be printed with information such as a marking symbol, a two-dimensional code, etc. of the dial 23. When in installation, the dial 23 is extended out of the shell 21, and then the panel 25 is sleeved on the dial 23 and is installed on the outer surface of the shell 21.
The outer surface of the housing 21 forms a concave area 212 for mounting the panel 25, the panel 25 is mounted in the concave area 212, and the outer surfaces of the panel 25 and the housing 21 form a smooth surface. The provision of the recessed area 212 facilitates the mounting of the panel 25, and enables the outer surface of the housing 21 to which the panel 25 is mounted to also form a smooth surface.
As shown in fig. 3 to 5, the power monitoring assembly 2 further includes a second data connector 27, the second data connector 27 is fixed on the control circuit board 22, the control circuit board 22 is provided with a display module 224, the display module 224 is in signal connection with the second data connector 27, and the second data connector 27 is used for being connected with an external display device. The display module 224 is preferably disposed on the upper circuit board 223, so that the display module 224 can be more conveniently connected to an external display screen.
As shown in fig. 4 and 5, the signal acquisition assembly 1 includes a signal acquisition board 11, and a calibration storage module 111 is disposed on the signal acquisition board 11, and the calibration storage module 111 is in signal connection with an input module 221. The calibration storage module 111 is configured to store calibration coefficients related to the power calibration coefficient, the temperature calibration coefficient, etc., and the data in the calibration storage module 111 may be modified by the input module 221.
As shown in fig. 2, the signal acquisition component 1 is detachably connected with the power monitoring component 2. Because of individual differences in the signal acquisition assemblies 1, each signal acquisition assembly 1 needs to be individually set with an associated calibration coefficient. The calibration storage module 111 is arranged on the signal acquisition assembly 1, so that the calibration coefficient of each signal acquisition assembly 1 can be guaranteed to correspond to the calibration storage module. When the signal acquisition component 1 is combined with any monitoring component 2, the calibration coefficients of the calibration storage module 111 of the signal acquisition component 1 can be read, the calibration coefficients do not need to be matched again, and the installation efficiency is improved.
As shown in fig. 5, the lower circuit board 222 of the power monitoring assembly 2 is further provided with a main control module 225, the input module 221 is in signal connection with the main control module 225, and the main control module 225 is in signal connection with the calibration storage module 111. The data input by the dialer 23 or the external input device enters the main control module 225 through the input module 221, and then is written into the calibration storage module 111 or other modules through the main control module 225.
The present utility model is not limited to the above-described embodiments, and any changes in shape or structure thereof are within the scope of the present utility model. The scope of the present utility model is defined by the appended claims, and those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and spirit of the present utility model, but these changes and modifications fall within the scope of the present utility model.
Claims (10)
1. A dual input mode power monitoring assembly, the power monitoring assembly comprising:
a housing;
the control circuit board is positioned in the shell and is provided with an input module;
the dial is arranged in the shell, the dial is electrically connected with the input module, and the operation end of the dial extends out to the outer surface of the shell;
The first data connector is installed in the shell and electrically connected with the input module, extends to the outer surface of the shell, and is used for being connected with external input equipment.
2. The dual input power monitoring assembly of claim 1, wherein: the outer surface of the housing includes an operative surface facing an operator, and the operative end of the dial is exposed to the operative surface of the housing.
3. The dual input mode power monitoring assembly of claim 2, wherein: the control circuit board comprises a lower circuit board and an upper circuit board, the input module is arranged on the upper circuit board, the dial and the first data connector are fixed on the upper circuit board, and the upper circuit board is closer to the operation surface relative to the lower circuit board.
4. The dual input power monitoring assembly of claim 1, wherein: the power monitoring assembly further comprises a panel, the panel is mounted on the outer surface of the shell, a penetrating mounting hole is formed in the shell and the panel, and the dial extends out of the mounting hole to the outer surface of the panel.
5. The dual input power monitoring assembly of claim 4, wherein: the outer surface of the shell forms a concave area for installing the panel, the panel is installed in the concave area, and the outer surfaces of the panel and the shell form smooth surfaces.
6. The dual input power monitoring assembly of claim 1, wherein: the power monitoring assembly further comprises a second data connector, the second data connector is fixed on the control circuit board, the control circuit board is provided with a display module, the display module is in signal connection with the second data connector, and the second data connector is used for being connected with external display equipment.
7. An ac monitoring device, characterized in that: the ac monitoring device comprises a dual input mode power monitoring assembly of any one of claims 1 to 6; the alternating current monitoring equipment is provided with a calibration storage module, and the calibration storage module is in signal connection with the input module.
8. The ac monitoring device of claim 7, wherein: the alternating current monitoring equipment further comprises a signal acquisition assembly, the signal acquisition assembly comprises a signal acquisition board, and the calibration storage module is arranged on the signal acquisition board.
9. The ac monitoring device of claim 8, wherein: the signal acquisition component is detachably connected with the power monitoring component.
10. The ac monitoring device as claimed in any one of claims 7 to 9, wherein: the control circuit board comprises a lower circuit board and an upper circuit board, the input module is arranged on the upper circuit board, the lower circuit board is provided with a main control module, the input module is in signal connection with the main control module, and the main control module is in signal connection with the calibration storage module.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023105404405 | 2023-05-15 | ||
| CN202310540440.5A CN116559720A (en) | 2023-05-15 | 2023-05-15 | Alternating current monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222014256U true CN222014256U (en) | 2024-11-15 |
Family
ID=87487544
Family Applications (12)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310540440.5A Pending CN116559720A (en) | 2023-05-15 | 2023-05-15 | Alternating current monitoring equipment |
| CN202410014417.7A Pending CN117572059A (en) | 2023-05-15 | 2024-01-04 | Integrated signal acquisition components and AC monitoring equipment containing them |
| CN202410016820.3A Pending CN117706177A (en) | 2023-05-15 | 2024-01-04 | Integrated power monitoring assembly and alternating current monitoring equipment comprising same |
| CN202420027705.1U Active CN222014328U (en) | 2023-05-15 | 2024-01-04 | Integrated alternating current monitoring equipment |
| CN202410013653.7A Pending CN117686775A (en) | 2023-05-15 | 2024-01-04 | Interchangeable AC Monitoring Devices |
| CN202420022343.7U Active CN222087756U (en) | 2023-05-15 | 2024-01-04 | Integrated signal acquisition component and AC monitoring device including the same |
| CN202420022183.6U Active CN222014327U (en) | 2023-05-15 | 2024-01-04 | Integrated power monitoring assembly and alternating current monitoring equipment comprising same |
| CN202420023691.6U Active CN222014313U (en) | 2023-05-15 | 2024-01-04 | Integrated electric connector and signal acquisition module comprising same |
| CN202420022494.2U Active CN222087758U (en) | 2023-05-15 | 2024-01-04 | Integrated AC Monitoring Equipment |
| CN202410015053.4A Pending CN117630467A (en) | 2023-05-15 | 2024-01-04 | Integrated alternating current monitoring equipment |
| CN202410015047.9A Pending CN117572064A (en) | 2023-05-15 | 2024-01-04 | Integrated AC Monitoring Equipment |
| CN202420023696.9U Active CN222014256U (en) | 2023-05-15 | 2024-01-04 | Dual-input power monitoring component and AC monitoring device containing the same |
Family Applications Before (11)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310540440.5A Pending CN116559720A (en) | 2023-05-15 | 2023-05-15 | Alternating current monitoring equipment |
| CN202410014417.7A Pending CN117572059A (en) | 2023-05-15 | 2024-01-04 | Integrated signal acquisition components and AC monitoring equipment containing them |
| CN202410016820.3A Pending CN117706177A (en) | 2023-05-15 | 2024-01-04 | Integrated power monitoring assembly and alternating current monitoring equipment comprising same |
| CN202420027705.1U Active CN222014328U (en) | 2023-05-15 | 2024-01-04 | Integrated alternating current monitoring equipment |
| CN202410013653.7A Pending CN117686775A (en) | 2023-05-15 | 2024-01-04 | Interchangeable AC Monitoring Devices |
| CN202420022343.7U Active CN222087756U (en) | 2023-05-15 | 2024-01-04 | Integrated signal acquisition component and AC monitoring device including the same |
| CN202420022183.6U Active CN222014327U (en) | 2023-05-15 | 2024-01-04 | Integrated power monitoring assembly and alternating current monitoring equipment comprising same |
| CN202420023691.6U Active CN222014313U (en) | 2023-05-15 | 2024-01-04 | Integrated electric connector and signal acquisition module comprising same |
| CN202420022494.2U Active CN222087758U (en) | 2023-05-15 | 2024-01-04 | Integrated AC Monitoring Equipment |
| CN202410015053.4A Pending CN117630467A (en) | 2023-05-15 | 2024-01-04 | Integrated alternating current monitoring equipment |
| CN202410015047.9A Pending CN117572064A (en) | 2023-05-15 | 2024-01-04 | Integrated AC Monitoring Equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (12) | CN116559720A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118112406B (en) * | 2024-04-07 | 2025-09-16 | 江苏斯菲尔电气股份有限公司 | Compact signal acquisition module and assembly method thereof |
-
2023
- 2023-05-15 CN CN202310540440.5A patent/CN116559720A/en active Pending
-
2024
- 2024-01-04 CN CN202410014417.7A patent/CN117572059A/en active Pending
- 2024-01-04 CN CN202410016820.3A patent/CN117706177A/en active Pending
- 2024-01-04 CN CN202420027705.1U patent/CN222014328U/en active Active
- 2024-01-04 CN CN202410013653.7A patent/CN117686775A/en active Pending
- 2024-01-04 CN CN202420022343.7U patent/CN222087756U/en active Active
- 2024-01-04 CN CN202420022183.6U patent/CN222014327U/en active Active
- 2024-01-04 CN CN202420023691.6U patent/CN222014313U/en active Active
- 2024-01-04 CN CN202420022494.2U patent/CN222087758U/en active Active
- 2024-01-04 CN CN202410015053.4A patent/CN117630467A/en active Pending
- 2024-01-04 CN CN202410015047.9A patent/CN117572064A/en active Pending
- 2024-01-04 CN CN202420023696.9U patent/CN222014256U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN222014327U (en) | 2024-11-15 |
| CN117686775A (en) | 2024-03-12 |
| CN117572064A (en) | 2024-02-20 |
| CN222014328U (en) | 2024-11-15 |
| CN117572059A (en) | 2024-02-20 |
| CN116559720A (en) | 2023-08-08 |
| CN222087756U (en) | 2024-11-29 |
| CN117630467A (en) | 2024-03-01 |
| CN222014313U (en) | 2024-11-15 |
| CN117706177A (en) | 2024-03-15 |
| CN222087758U (en) | 2024-11-29 |
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