CN114089053A - All-round type HPLC module tester - Google Patents
All-round type HPLC module tester Download PDFInfo
- Publication number
- CN114089053A CN114089053A CN202110926969.1A CN202110926969A CN114089053A CN 114089053 A CN114089053 A CN 114089053A CN 202110926969 A CN202110926969 A CN 202110926969A CN 114089053 A CN114089053 A CN 114089053A
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- Prior art keywords
- generator
- connector
- gear
- connecting piece
- support plate
- 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.)
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- 238000004128 high performance liquid chromatography Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 29
- 230000007704 transition Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 16
- 238000012360 testing method Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The utility model provides an all-round type HPLC module tester, includes casing (1) and internal component, and internal component includes the NBIOT module, and the NBIOT module includes external antenna (2), and the generator module is installed to the lower extreme of casing (1), the generator module includes generator (3) and rocking handle (4), connect through connecting piece (5) between generator (3) and rocking handle (4), rocking handle (4) can be around connecting piece (5) to the side swing, connecting piece (5) can be 360 rotations in succession, the axis of rotation of connecting piece (5) is parallel with the axis of rotation of generator (3), connecting piece (5) center trompil, rocking handle (4) inside is provided with cylindrical groove (41), external antenna (2) pass the center trompil of connecting piece (5) and install in cylindrical groove (41). The power consumption is low, the signal quality is high, the hand-operated power generation can be realized, the external antenna (2) is arranged in the rocking handle (4), and the installation space is saved.
Description
Technical Field
The invention relates to the technical field of HPLC module test application, in particular to a universal HPLC module tester.
Background
The all-round type HPLC module tester is a field communication fault diagnosis and maintenance tool developed aiming at the operation and maintenance of a national grid power utilization collection system HPLC power carrier module, can detect a single-phase electric energy meter, a three-phase electric energy meter and an HPLC communication unit (including CCO) of the single-phase electric energy meter, and can also carry out field test and verification on an SIM card and a mobile communication 2G or 4G antenna. The HPLC communication module test connection mode supports strong-current connection PLC communication, supports non-contact near field short-distance communication, and supports various communication interfaces of infrared, Bluetooth, HPLC and wireless radio frequency.
The existing module tester is generally provided with a built-in battery, but in use, if the electric quantity of the battery is more consumed and a test task is still carried out, in order to not interrupt the test, a temporary charging method is needed to support the tester to complete the test; in addition, the NBIOT technology and the communication module are used as a branch of the 5G technology, are low-power-consumption and high-performance communication modules, are used as technologies with more applications in the field of the current Internet of things, and are very suitable for data communication of outdoor mobile equipment.
Disclosure of Invention
In order to reduce the communication power consumption of the tester and enable the tester to have a temporary charging function and complete the test when the electric quantity is insufficient, the invention provides the all-round type HPLC module tester, a NBIOT module is used for data communication, the power consumption is low, the communication distance is long, the signal quality is high, a generator assembly is added, the generator assembly can generate electricity by hand cranking, and an external antenna of the NBIOT module is installed in a rocking handle, so that the signal quality can be ensured, and the installation space is saved.
The technical scheme of the invention is as follows:
the utility model provides an all-round type HPLC module tester, includes casing and internal component, the internal component includes the NBIOT module, the NBIOT module includes external antenna, the generator module is installed to the lower extreme of casing, the generator module can be for the internal component power supply, the generator module includes generator and rocking handle, connect through the connecting piece between generator and rocking handle, the rocking handle can be swung to the side around the connecting piece, 360 rotations can be in succession to the connecting piece, the axis of rotation of connecting piece is parallel with the axis of rotation of generator, connecting piece center trompil, the inside cylindrical groove that is provided with of rocking handle, external antenna passes the center trompil of connecting piece and installs in the cylindrical groove.
Further, connect through the gear train between generator and connecting piece, the gear train includes generator gear, connecting piece gear, generator drive gear, connecting piece drive gear and transmission shaft, the generator gear is installed in the pivot of generator, the connecting piece gear is installed on the connecting piece and rotates with the connecting piece is synchronous, generator drive gear and generator gear meshing, connecting piece drive gear and connecting piece gear meshing, generator drive gear and connecting piece drive gear install the both ends at the transmission shaft respectively.
Preferably, the connecting piece gear and the connecting piece are both provided with a central opening with the same diameter, the external antenna comprises a wire section, a transition section and an antenna section, the diameters of the wire section, the transition section and the antenna section are sequentially reduced, the diameter of the central opening is larger than that of the wire section, and the antenna section is arranged in the cylindrical groove.
As a specific implementation mode, a generator support plate and a connecting piece support plate are arranged between the generator gear and the connecting piece gear in parallel, the transmission shaft penetrates through the generator support plate and the connecting piece support plate, the connecting piece support plate is further provided with an antenna opening, and the external antenna is arranged in the cylindrical groove by sequentially penetrating through the antenna opening, the central opening of the connecting piece gear and the central opening of the connecting piece between the generator support plate and the connecting piece support plate.
In a specific embodiment, the wire segment passes through the antenna opening of the connector support plate, the diameter of the antenna opening of the connector support plate is equal to the diameter of the wire segment, and the wire segment cannot rotate in the antenna opening of the connector support plate.
Preferably, the transmission shaft is connected with the generator support plate and the connector support plate through bearings.
As a specific implementation mode, the edge of the connecting piece close to the gear of the connecting piece is provided with a limiting ring, the inside of the shell is provided with a mounting groove, and the limiting ring is mounted in the mounting groove.
Furthermore, the inner wall of the cylindrical groove is smooth, and the maximum diameter of the antenna section is smaller than the inner diameter of the cylindrical groove.
Preferably, the transition section has a restorable bending radius of at most 1.5 cm.
Further, the maximum angle of the rocking handle swinging to the side around the connecting piece does not exceed 100 degrees.
Compared with the prior art, the invention has the advantages that:
the invention relates to an all-round HPLC module tester, which uses an NBIOT module for data communication, and has low power consumption, long communication distance and high signal quality; the generator component can be used for generating electricity by hand, so that the normal work of the tester is ensured; the external antenna of the NBIOT module is arranged in the rocking handle, so that the signal quality can be ensured, and the installation space is saved; the generator is connected with the connecting piece through a gear set, so that the external antenna can pass through the connecting piece to be installed in the cylindrical groove; the generator support plate and the connector support plate function to support the transmission shaft.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
In the drawings:
FIG. 1 is a schematic cross-sectional view of the structure of example 1;
FIG. 2 is a schematic view of the structure of a gear train in embodiment 1;
FIG. 3 is a schematic view showing the relative positions of a generator support plate and a connector support plate in embodiment 1;
FIG. 4 is a schematic view of the structure of the external antenna and the rocking handle in embodiment 1;
FIG. 5 is a schematic view showing a positional relationship among a rocking handle, a connecting member, and a generator in embodiment 1;
FIG. 6 is a schematic view showing the construction of a rocking handle in embodiment 1;
FIG. 7 is a schematic sectional view of the top view of the swing handle in embodiment 1 when it is retracted;
FIG. 8 is a schematic top sectional view showing the rocking handle swung to a maximum angle in embodiment 1;
fig. 9 is a schematic view of the external structure in embodiment 1.
The components represented by the reference numerals in the figures are:
1. the device comprises a shell, 11, a mounting groove, 2, an external antenna, 21, a wire section, 22, a transition section, 23, an antenna section, 3, a generator, 31, a generator gear, 32, a generator transmission gear, 4, a rocking handle, 41, a cylindrical groove, 5, a connecting piece, 51, a connecting piece gear, 52, a connecting piece transmission gear, 53, a limiting ring, 6, a transmission shaft, 61, a generator supporting plate, 62, a connecting piece supporting plate, 63 and a bearing.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.
Example 1
Referring to fig. 1 to 6, fig. 1 is a schematic cross-sectional structure diagram of this embodiment 1, and this all-purpose HPLC module tester includes a housing 1 and an internal component, the internal component includes an NBIOT module, the NBIOT module includes an external antenna 2, a generator component is installed at a lower end of the housing 1, the generator component can supply power to the internal component, the generator component includes a generator 3 and a rocking handle 4, the generator 3 and the rocking handle 4 are connected through a connecting member 5, the rocking handle 4 can swing to a side around the connecting member 5, the connecting member 5 can rotate continuously 360 °, a rotation axis of the connecting member 5 is parallel to a rotation axis of the generator 3, a central opening of the connecting member 5 is provided, a cylindrical groove 41 is provided inside the rocking handle 4, and the external antenna 2 passes through the central opening of the connecting member 5 and is installed in the cylindrical groove 41.
Referring to fig. 1 to 3, further, the generator 3 and the connecting member 5 are connected through a gear set, the gear set includes a generator gear 31, a connecting member gear 51, a generator transmission gear 32, a connecting member transmission gear 52 and a transmission shaft 6, the generator gear 31 is installed on a rotating shaft of the generator 3, the connecting member gear 51 is installed on the connecting member 5 and rotates synchronously with the connecting member 5, the generator transmission gear 32 is engaged with the generator gear 31, the connecting member transmission gear 52 is engaged with the connecting member gear 51, and the generator transmission gear 32 and the connecting member transmission gear 52 are respectively installed at two ends of the transmission shaft 6. When the rocking handle 4 is operated to rotate the link 5, the link gear 51 rotates synchronously, the power is further transmitted to the link transmission gear 52, and further, the generator transmission gear 32 at the other end of the transmission shaft 6 rotates to drive the generator gear 31 to rotate, and the power generation starts.
Referring to fig. 1 to 4, the connector gear 51 and the connector 5 are both provided with central openings with the same diameter, the external antenna 2 includes a wire section 21, a transition section 22 and an antenna section 23, the diameters of the wire section 21, the transition section 22 and the antenna section 23 are sequentially reduced, the diameter of the central opening is larger than that of the wire section 21, and the antenna section 23 is installed in the cylindrical groove 41. The end of the wire section 21 is ensured to be stationary and the transition section 22 can be flexibly bent.
Referring to fig. 1 and 3, as a specific embodiment, a generator support plate 61 and a connector support plate 62 are installed between the generator gear 31 and the connector gear 51 in parallel, the transmission shaft 6 passes through the generator support plate 61 and the connector support plate 62, the connector support plate 62 is further provided with an antenna opening, the external antenna 2 is installed in the cylindrical groove 41 by passing through the antenna opening, the center opening of the connector gear 51 and the center opening of the connector 5 between the generator support plate 61 and the connector support plate 62 in sequence, and the generator support plate 61 and the connector support plate 62 play a role in supporting and separating, thereby preventing a possible winding situation between the wire section 21 and the gear.
In a specific embodiment, the wire segment 21 passes through the antenna opening of the connector support plate 62, the diameter of the antenna opening of the connector support plate 62 is equal to the diameter of the wire segment 21, the wire segment 21 cannot rotate in the antenna opening of the connector support plate 62, the tail end of the wire segment 21 is separated from the front end by the connector support plate 62, the tail end of the wire segment 21 is static, and the transition segment 22 can be flexibly bent.
Referring to fig. 4 to 9, the process of the rocking handle 4 continuing to rotate 360 ° can be regarded as the transition section 22 continuously bending to different directions, because the end of the wire section 21 is stationary, i.e. the wire section 21 and the transition section 22 cannot rotate, the antenna section 23 rotates relative to the cylindrical groove 41 during the process of the transition section 22 continuously bending to different directions, and because the transition section 22 only repeatedly continuously bends to different directions, the transition section 22 itself does not rotate, so the process of rocking the rocking handle does not cause the wire to wind tightly.
Referring to fig. 1 and 3, the drive shaft 6 is preferably connected to a generator support plate 61 and a connector support plate 62 through a bearing 63.
Referring to fig. 1 and 5, as a specific embodiment, a limit ring 53 is disposed at an edge of the connecting member 5 near the connecting member gear 51, a mounting groove 11 is disposed inside the housing 1, the limit ring 53 is mounted in the mounting groove 11, and the connecting member 5 can rotate in the mounting groove 11.
Furthermore, the inner wall of the cylindrical groove 41 is smooth, the maximum diameter of the antenna segment 23 is smaller than the inner diameter of the cylindrical groove 41, so that the antenna segment 23 bends along the transition segment 22 in different directions and can rotate relative to the cylindrical groove 41, and if the antenna segment 23 cannot rotate relative to the cylindrical groove 41, the transition segment 22 and the antenna segment 23 are twisted.
Preferably, the restorable bending radius of the transition section 22 is at most 1.5 cm, which enables the transition section 22 to have a better bending resistance.
Referring to fig. 7 and 8, further, the rocking handle 4 swings around the connecting piece 5 to the side in an angle ranging from 0 to 100 degrees, so that the external antenna 2 is not exposed outside, and the abrasion of wires is avoided.
By the scheme of the embodiment, the NBIOT module is used for data communication, so that the power consumption is low, the communication distance is long, and the signal quality is high; the generator component can be used for generating electricity by hand, so that the normal work of the tester is ensured; the external antenna 2 of the NBIOT module is arranged in the rocking handle 4, so that the signal quality can be ensured, and the installation space is saved; the generator 3 is connected with the connecting piece 5 through a gear set, so that the external antenna 2 can pass through the connecting piece 5 and be arranged in the cylindrical groove 41; the generator support plate 61 and the connector support plate 62 function to support the drive shaft 6.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or additions or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A full-function HPLC module tester comprises a shell (1) and an internal component, characterized in that the internal components comprise an NBIOT module comprising an external antenna (2), the lower end of the shell (1) is provided with a generator component which can supply power for the internal components, the generator component comprises a generator (3) and a rocking handle (4), the generator (3) and the rocking handle (4) are connected through a connecting piece (5), the rocking handle (4) can swing to the side around the connecting piece (5), the connecting piece (5) can rotate for 360 degrees continuously, the rotation axis of the connecting piece (5) is parallel to the rotation axis of the generator (3), the center of the connecting piece (5) is provided with a hole, a cylindrical groove (41) is arranged inside the rocking handle (4), the external antenna (2) passes through the central opening of the connecting piece (5) and is arranged in the cylindrical groove (41).
2. The all-purpose HPLC module tester of claim 1, wherein said generator (3) and said connector (5) are connected by a gear set, said gear set comprises a generator gear (31), a connector gear (51), a generator transmission gear (32), a connector transmission gear (52) and a transmission shaft (6), said generator gear (31) is installed on the rotation shaft of the generator (3), said connector gear (51) is installed on the connector (5) and rotates synchronously with the connector (5), said generator transmission gear (32) is engaged with the generator gear (31), said connector transmission gear (52) is engaged with the connector gear (51), said generator transmission gear (32) and the connector transmission gear (52) are installed at two ends of the transmission shaft (6) respectively.
3. The all-purpose HPLC module tester of claim 2, wherein the connector gear (51) and the connector (5) are both provided with a central opening with the same diameter, the external antenna (2) comprises a wire section (21), a transition section (22) and an antenna section (23), the diameters of the wire section (21), the transition section (22) and the antenna section (23) are sequentially reduced, the diameter of the central opening is larger than that of the wire section (21), and the antenna section (23) is installed in the cylindrical groove (41).
4. The all-purpose HPLC module tester according to claim 3, wherein a generator support plate (61) and a connector support plate (62) are installed in parallel between the generator gear (31) and the connector gear (51), the transmission shaft (6) passes through the generator support plate (61) and the connector support plate (62), the connector support plate (62) is further provided with an antenna opening, and the external antenna (2) is installed in the cylindrical groove (41) by passing through the antenna opening, the central opening of the connector gear (51) and the central opening of the connector (5) in sequence between the generator support plate (61) and the connector support plate (62).
5. A universal HPLC module tester as claimed in claim 4, wherein the wire section (21) passes through the antenna opening of the connector support plate (62), the diameter of the antenna opening of the connector support plate (62) is equal to the diameter of the wire section (21), and the wire section (21) cannot rotate in the antenna opening of the connector support plate (62).
6. An all-purpose HPLC module tester as claimed in claim 4, wherein said drive shaft (6) is connected to generator support plate (61) and connector support plate (62) by bearings (63).
7. The all-purpose HPLC module tester according to claim 1, wherein the edge of the connecting piece (5) near the connecting piece gear (51) is provided with a limiting ring (53), the inside of the housing (1) is provided with a mounting groove (11), and the limiting ring (53) is mounted in the mounting groove (11).
8. A full-function HPLC module tester as claimed in claim 1, wherein said cylindrical recess (41) has smooth inner walls, and said antenna section (23) has a maximum diameter smaller than the inner diameter of said cylindrical recess (41).
9. A full-scale HPLC module tester as claimed in claim 1, wherein said transition section (22) has a restorable bend radius of at most 1.5 cm.
10. A full-function HPLC module tester as claimed in claim 1, wherein said rocking handle (4) swings sideways about the connection piece (5) through a maximum angle not exceeding 100 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110926969.1A CN114089053B (en) | 2021-08-12 | 2021-08-12 | Universal HPLC module tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110926969.1A CN114089053B (en) | 2021-08-12 | 2021-08-12 | Universal HPLC module tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114089053A true CN114089053A (en) | 2022-02-25 |
| CN114089053B CN114089053B (en) | 2024-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110926969.1A Active CN114089053B (en) | 2021-08-12 | 2021-08-12 | Universal HPLC module tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114089053B (en) |
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| WO2021051825A1 (en) * | 2019-09-20 | 2021-03-25 | 宁波三星医疗电气股份有限公司 | Electrical energy meter with communication module |
| CN112803969A (en) * | 2020-12-31 | 2021-05-14 | 佳源科技有限公司 | High-speed reliable Internet of things power broadband carrier HPLC |
| CN213718231U (en) * | 2020-11-06 | 2021-07-16 | 云南电网有限责任公司电力科学研究院 | Simulation test system applied to HPLC and micropower wireless dual-mode communication |
-
2021
- 2021-08-12 CN CN202110926969.1A patent/CN114089053B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002058282A1 (en) * | 2001-01-22 | 2002-07-25 | Blue2Space Ab | Radio communication system comprising an internal and an external antenna part connected via a digital signal transmitting cable |
| CN203590238U (en) * | 2013-10-17 | 2014-05-07 | 哈尔滨师范大学 | Network signal testing apparatus capable of generating electricity by rotating handle with hand |
| CN107155191A (en) * | 2017-05-15 | 2017-09-12 | 夏汉铸 | A kind of communications network monitors device |
| US20210048843A1 (en) * | 2019-08-12 | 2021-02-18 | Htc Corporation | Wireless communication device and case assembly |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114089053B (en) | 2024-03-29 |
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