CN212013065U

CN212013065U - Signal tester based on narrowband thing networking

Info

Publication number: CN212013065U
Application number: CN202020797132.2U
Authority: CN
Inventors: 林日昕; 卢懋州; 朱洁; 郑晓青; 陈晓君
Original assignee: China United Network Communications Corp Ltd Shenzhen Branch
Current assignee: China United Network Communications Corp Ltd Shenzhen Branch
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-11-24
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a signal tester based on narrowband thing networking, include: the antenna comprises a shell, a control button and an antenna interface, wherein the shell is provided with an opening, the control button and the antenna interface for connecting an external antenna; the control circuit board is arranged in the shell and is electrically connected with the control keys and the antenna interface, and a narrowband Internet of things module for detecting NB-IoT and eMTC networks is arranged on the control circuit board; the display screen is arranged between the control circuit board and the shell opening and is electrically connected with the control circuit board, and a display area of the display screen corresponds to the shell opening; and the power supply assembly is arranged in the shell and is electrically connected with the control circuit board. Overall structure is simple, can realize miniaturized design, has the portability under the prerequisite that has the tester basic function, and the person of facilitating the use carries and detects immediately, improves thing networking network efficiency of software testing. And the signals of the NB-IoT network and the eMCT network can be tested, so that the method is more widely applicable to scenes.

Description

Signal tester based on narrowband thing networking

Technical Field

The utility model relates to a network test technical field, more specifically relates to a signal tester based on narrowband thing networking.

Background

In the age of steady development of the internet of things, the narrowband internet of things becomes a mainstream technology by virtue of low cost and strong penetration capacity, and is widely applied to various scenes such as shared bicycles, intelligent instruments and the like. With the popularization and the promotion of the internet of things, the method is also very important for network maintenance and detection of the narrow-band internet of things, and especially for detection when equipment of the internet of things is laid in a certain place. Therefore, in the prior art, a tester for the NB-IoT network is researched to conveniently detect the coverage condition, the signal quality and the like of the narrowband internet of things. However, the narrow-band internet of things tester in the prior art still has many defects, is complex and unstable in structure, cannot realize miniaturization, and is poor in portability; in addition, in the prior art, the network including the eMCT network is a common internet of things network besides the NB-IoT network, and when the network state of the internet of things except the NB-IoT network in the same place needs to be tested, an additional special tester has to be carried to perform the testing, so that inconvenience is brought to the testing process of testers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming above-mentioned prior art's at least not enough, provide a signal tester based on narrowband thing networking, simple structure, stability has higher portability, and can test the eMCT network signal outside NB-IoT network at least, combines its portable performance to show improvement user efficiency of software testing, enlarge the use scene scope.

The utility model provides a technical scheme be, a signal tester based on narrowband thing networking, include:

the antenna comprises a shell, a control key and an antenna interface, wherein the shell is provided with an opening, the control key and the antenna interface for connecting an external antenna;

the control circuit board is arranged in the shell and electrically connected with the control keys and the antenna interface, and a narrowband Internet of things module used for detecting NB-IoT and eMTC networks is arranged on the control circuit board;

the display screen is arranged between the control circuit board and the shell opening, is electrically connected with the control circuit board, and corresponds to the shell opening in a display area;

and the power supply assembly is arranged in the shell and is electrically connected with the control circuit board.

The opening of the shell is used for exposing the display area of the display screen, so that the display screen can display detection data in real time, and a user can conveniently and visually check the detection data; the control key is electrically connected with the control circuit board and used for triggering the control circuit board to control the tester; the antenna interface is favorable for being connected with the external antenna when the external antenna is required to be used, and is detached when the external antenna is not required to be used, so that the antenna interface is convenient to store and carry. The control circuit board controls the operation of hardware electrically connected with the control circuit board in the tester at least through the control circuit; the narrowband internet of things module comprises a multi-mode internet of things chip for detecting NB-IoT and eMTC networks, and preferably, the multi-mode internet of things chip is an SIM7000C chip. The display screen is provided with a display surface facing the opening and at least used for displaying the detection result. The power supply assembly is used for supplying power for the operation of the whole tester, and compared with the traditional external power supply tester, the built-in power supply assembly can improve the independence of the tester, so that the tester is convenient to carry and use immediately, and the efficiency of the testing process is improved.

The utility model provides a signal tester overall structure is simple, and main occupation space's structure only helps corresponding casing design to be small-size casing including having control circuit board and display screen, the power supply unit who detects NB-IoT and eMTC network signal function, helps realizing portable tester that can hand, simultaneously, because mechanical structure is less in the casing, the structural stability who corresponds can obtain promoting, helps the long-term use of tester.

More preferably, the housing is provided with a heat dissipation hole at one side of the power supply assembly. When long-time testing or frequent testing need to be carried out to needs, the power supply assembly easily produces the situation that generates heat, and one side that is close to the power supply assembly on the casing sets up the louvre and helps in time dispelling the heat, guarantees the normal use of tester.

More preferably, the outer periphery of the shell is provided with a crash pad. When the tester has sufficient portability, its application scene is also more extensive, and the user can take place to grip situation such as not tight under specific scene, leads to the tester to drop, helps protecting the tester wholly through set up the crashproof pad in the casing periphery to improve tester life.

Preferably, one side of the control circuit board is provided with a plurality of SIM card slots, and the housing is provided with a detachable sliding cover at one side corresponding to the SIM card slots, wherein the detachable sliding cover is used for exposing or shielding the SIM card slots. The SIM card slot is arranged to facilitate the real-time insertion of the SIM card and the test of the corresponding network; the arrangement of the plurality of SIM card slots is beneficial to simultaneously inserting the SIM cards of different operators and is beneficial to comparing the network states of different operators in real time. And the SIM card slot is arranged instead of the embedded SIM card, so that the SIM card can be installed by the tester according to actual needs, and the use is more flexible. The shell is provided with a detachable sliding cover on one side corresponding to the SIM card slot, which is beneficial to detaching and installing the SIM card to the SIM card slot in real time, and when the SIM card is not needed to be installed or the SIM card is installed, the detachable sliding cover is slid to shield the SIM card slot, which is beneficial to preventing dust and water, and protecting the tester from normal operation and being influenced by pollutants.

Preferably, the display screen is fixed in on the control circuit board through the display screen support, the display screen support includes the bottom plate, set up in the spacing strip at bottom plate edge and be close to the card structure that sets up of control circuit board one side, the bottom plate with spacing strip forms the display screen bearing position, card structure is used for fixed display screen support on control circuit board. The utility model discloses a display screen passes through the display screen support to be fixed and can improve the stability of its display screen installation on control circuit board, compare in the tradition display screen installation position that sets up the matching through the casing and carry out the display screen installation, it has higher stability to install the display screen in the display screen support earlier to be fixed in again, combine by the fixed control circuit board of casing, the display screen is fixed simultaneously in the casing with control circuit board all the time promptly, can not change for shell open-ended position, thereby can not take place to break away from situations such as casing open region because of the display screen that the condition such as collision leads to. The bottom plate of the display screen support and the limiting strips arranged on the periphery of the bottom plate form a containing cavity matched with the display screen, and the display screen is placed in the containing cavity and then fixed in the direction parallel to the bottom plate along with the fixation of the display screen support. The display screen support is fixed on the control circuit board through the clamping structure, so that the control circuit board is stably and fixedly connected, meanwhile, the follow-up disassembly and maintenance are facilitated, and the maintainability of the tester is improved.

More preferably, the retaining structure is arranged at the edge of the bottom plate, an installation groove which is recessed towards the inner side of the control circuit board is arranged on the outer side of the control circuit board, and the installation groove is matched with the retaining structure. Through setting up the mounting groove that matches with card holding structure setting at bottom edge, control circuit board outside, help avoiding card holding structure to lead to occupation space too big in the control circuit board direction to further reduce the display screen support and in the ascending occupation position in control circuit board plane direction, help miniaturized tester, improve the portability.

More preferably, the bottom plate is equipped with the reference column in the one side that is close to control circuit board, the last locating hole that matches with the reference column that is equipped with of control circuit board helps utilizing the matching of reference column and locating hole to fix display screen support to control circuit board fast when production, equipment tester on, improves the installation effectiveness, and helps the correct orientation installation of display screen support through the matching relation of reference column and locating hole, realizes fool's operation, the installation of being convenient for goes on.

Preferably, the display screen further comprises a buffer area outside the display area, the surface of the buffer area is provided with buffer cotton, and the inner surface of the shell is provided with a groove corresponding to the buffer area. The conventional display screen is fragile, and when the tester collides, the display screen is easily bent at the joint of the display screen and the opening due to inertia, so that the display screen is damaged. And set up the buffering region outside the display area on the display screen, help not influencing under the prerequisite of display screen display function, stabilize the display screen position in the planar direction of perpendicular to display screen, and set up the buffering cotton through the buffering region and can provide the buffering of display screen atress, reduce the possibility that the display screen damaged.

Preferably, the shell comprises an upper shell and a lower shell, the upper shell is detachably connected with the lower shell, the upper shell and the lower shell are connected and enclosed to form a containing cavity, and a waterproof rubber ring is further arranged at the joint of the upper shell and the lower shell; opening, button set up in it is positive to go up the casing, the antenna interface sets up between the tip of casing, last casing and the casing down, it all is equipped with sunken at same end with casing down to go up the casing, and upper and lower casing is sunken to form antenna interface installation position after the casing combines last down, control circuit board, display screen, power supply unit set up in holding the intracavity, just the display screen sets up between control circuit board and last casing, the power supply unit sets up between control circuit board and the casing down. The utility model discloses the structure of tester is last casing, display screen, control circuit board, power supply unit spare, the casing down of arranging from top to bottom in proper order, control circuit board receives casing itself to hold the chamber size and fix, the battery sets up helps dispelling the heat in the one side of keeping away from the display screen between control circuit board and the casing down, the display screen sets up between circuit board and last casing, helps make full use of casing inner space. More preferably, the antenna interface is fixed on the control circuit board, electrically connected to the control circuit board, and exposed at one end of the housing.

Preferably, the shell is provided with a plurality of control keys, and the control keys are fixed on the shell through a connecting shaft branch structure arranged in the shell; the connecting shaft branch structure comprises a cross bar and a plurality of branch bars connected with the cross bar, the cross bar is provided with a limiting hole, and the branch bars are correspondingly connected with the keys one by one; and a limiting column is arranged in the shell and matched with a limiting hole of the connecting shaft branch structure. The front surface of the shell is provided with a plurality of through holes which correspond to the control keys and are used for containing the control keys, the keys are fixed in the through holes, and the keys are further fixed through a connecting shaft branch structure connected with the bottom. The plurality of control keys are connected through the connecting branch structure, so that the keys can be further fixed, shaking can be prevented, a complex key fixing structure can be avoided, and the structure of the tester can be simplified conveniently.

Preferably, the power supply assembly is a lithium battery, and a power switch and a charging interface which are electrically connected with the control circuit board are arranged on the outer side of the shell. The power switch is used for starting and stopping the tester, and the charging interface is beneficial to charging the lithium battery by an external power supply.

Preferably, the control circuit board is also provided with a remote communication unit, a GPS unit and a Bluetooth unit, the tester is connected with a remote statistical analysis platform through the remote communication unit to display and perform statistical analysis, the GPS unit feeds back signals in real time to cover position distribution and detect positions in real time, and the Bluetooth unit is connected with external equipment to display detection data on the external equipment. After the tester transmits the data remote statistical analysis platform through the remote communication unit, the data display of the statistical analysis platform is facilitated, the analysis data are analyzed, and the analysis result is fed back to the tester, so that on the premise that the tester is portable, the multi-dimensional and high-strength analysis capability is provided by using the excellent performance of the remote statistical analysis platform, and the tester can acquire the analyzed data while being portable. The GPS unit is beneficial to feeding back the detection position of the tester in real time, is convenient for obtaining the network coverage area and the regional diagram of signal quality distribution subsequently, and provides a foundation for subsequently installing equipment or improving the performance of the Internet of things.

Preferably, the detection parameters of the tester include Reference Signal Received Power (RSRP), signal-to-interference-plus-noise ratio (SINR), delay (PING), and uplink and downlink rate (LOAD), the detection frequency range is 800-2100 MHz, and the detection frequency range includes B3, B5, B8, B9, B18, and the like.

Preferably, a gravity sensor and a light sensor which are electrically connected with the control circuit board are further arranged in the tester shell. The gravity sensor is used for triggering the display screen to be bright, and is beneficial to bright screen display when a user is inconvenient to perform key operation. The light sense sensor is used for improving the brightness of the display screen in the dark environment and in the highlight environment, so that a user can check detection results in various scenes, and the use experience is improved.

Compared with the prior art, the beneficial effects of the utility model are that: overall structure is simple, can realize miniaturized design, realizes the tester that can hand, has the portability under the prerequisite that has the tester basic function, and the person of facilitating the use carries and detects immediately, improves thing networking network efficiency of software testing. Simultaneously, because mechanical structure is less in the casing, the structural stability who corresponds can obtain promoting, helps the long-term use of tester. Furthermore, the utility model discloses the tester tests NB-IoT network and eMCT network signal homoenergetic at least, and the adaptation scene is more extensive, also is convenient for compare the signal quality of different networks in real time, for the optimization of follow-up network provides the basic data reference, helps realizing the deployment thing networking device of pertinence, improve equipment's result of use.

Drawings

Fig. 1 is a front view of the tester of the present invention;

FIG. 2 is a perspective view (I) of the test apparatus of the present invention;

fig. 3 is a perspective view (two) of the tester of the present invention;

fig. 4 is an explosion diagram (one) of the tester of the invention;

fig. 5 is an explosion diagram (two) of the tester of the present invention;

Detailed Description

The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Examples

As shown in fig. 1, 2, 3, 4, and 5, the present embodiment discloses a signal tester based on a narrowband internet of things, including:

the antenna comprises a shell 1, wherein an opening 2, a plurality of control keys 3 and an antenna interface 4 for connecting an external antenna are arranged on the shell 1, specifically, the shell comprises an upper shell 11 and a lower shell 12, the upper shell 11 and the lower shell 12 are detachably connected, the upper shell 11 and the lower shell 12 are connected and enclosed to form a containing cavity, and a waterproof rubber ring is further arranged at the joint of the upper shell and the lower shell; the opening 2 and the control key 3 are arranged on the front surface of the upper shell 11, the upper shell 11 and the lower shell 12 are both provided with a recess 13 at the same end, the upper shell recess 13 and the lower shell recess 13 form an antenna interface mounting position after the upper shell 11 and the lower shell 12 are combined, and the antenna interface 4 is arranged on the antenna interface mounting position;

the control circuit board 5, as shown in fig. 4 and 5, is disposed in the cavity formed by the

shells

11 and 12, and is electrically connected to the control key 3 and the antenna interface 4, and the control circuit board 5 is provided with a narrowband internet of things module 51 for detecting NB-IoT and eMTC networks, in this embodiment, the control circuit board 5 is a PCBA board equipped with a processor, and the narrowband internet of things module 51 is a SIM7000C multi-mode chip; in addition, in the present embodiment, the antenna interface 4 is fixed on the control circuit board 5, and one end of the antenna interface is exposed at the top ends of the

shells

11 and 12.

The display screen 7, as shown in fig. 4 and 5, is disposed between the control circuit board 5 and the opening 2 of the upper housing 11, and is electrically connected to the control circuit board 5, and the display area 71 of the display screen corresponds to the opening 2; besides, the display screen 7 further includes a buffer area 72 outside the display area, the surface of the buffer area 72 is provided with buffer cotton 721, and the inside of the upper housing 11 is provided with a groove 111 corresponding to the buffer area 72.

As shown in fig. 4 and 5, the power supply assembly 8 is disposed between the control circuit board 5 and the lower housing 12, and is electrically connected to the control circuit board 5, in this embodiment, the power supply assembly 8 is a lithium battery, and the control circuit board is connected to a charging interface 81 and a power switch 82, the charging interface 81 is exposed at the bottom end of the upper housing 11, and the power switch 82 is exposed at one side of the upper housing 11.

Meanwhile, in the present embodiment, the plurality of control buttons 3 are fixed on the housing 1 through the coupling branch structure 31 disposed in the housing; the connecting shaft branch structure 31 comprises a cross bar 311 and a plurality of branch bars 312 connected with the cross bar, the cross bar 311 is provided with a limiting hole 3111, and the plurality of branch bars 312 are connected with the plurality of keys 3 in a one-to-one correspondence manner; a limiting column 14 is arranged in the housing 1, and the limiting column 14 is matched with the limiting hole 3111 of the connecting shaft branch structure 31 and used for fixing the connecting shaft branch structure 31 so as to fix the key 3, as shown in fig. 4 and 5.

The tester in this embodiment can also detect a GSM network, so one side of the control circuit board 5 is provided with a plurality of SIM card slots 52, as shown in fig. 5, and the lower housing 12 is provided with a detachable sliding cover 121 on the side corresponding to the SIM card slots 52, where the detachable sliding cover 121 is used to expose or shield the SIM card slots 52.

In order to improve the stability of the display screen, as shown in fig. 4 and 5, in this embodiment, the display screen 7 is fixed on the control circuit board 5 through a display screen bracket 73, where the display screen bracket 73 includes a bottom plate 731, a limiting strip 732 disposed at the edge of the bottom plate 731, and a clamping structure 733 disposed near one side of the control circuit board 5; specifically, the clamping structure 733 is disposed at the edge of the bottom plate 731, the bottom plate 731 and the limiting strip 732 form a display screen supporting position, an installation groove 53 which is recessed towards the inner side of the control circuit board and is matched with the clamping structure 733 is disposed at the outer side of the control circuit board 5, and the clamping structure 733 is matched with the installation groove 53 to clamp and fix the display screen bracket on the control circuit board.

Meanwhile, in order to facilitate the disassembly and assembly and ensure the position stability of the display screen bracket, a positioning column 7311 is arranged on one side of the bottom plate 731 close to the control circuit board 5, as shown in fig. 5, and a positioning hole 54 matched with the positioning column 7311 is arranged on the control circuit board 5.

In this embodiment, the control circuit board is further provided with a remote communication unit, a GPS unit, and a bluetooth unit, the tester is connected with a remote statistical analysis platform through the remote communication unit to perform data display and statistical analysis, and is connected with an external device through the bluetooth unit to display detection data on the external device, wherein the GPS unit feeds back a signal in real time to cover position distribution and detect a position in real time. In addition, the detection parameters of the tester in this embodiment include Reference Signal Received Power (RSRP), signal to interference plus noise ratio (SINR), delay (PING), and uplink and downlink rate (LOAD), the detection frequency range is 800-2100 MHz, and the detection frequency range supports RF global frequency bands B3, B5, B8, B9, and B18, which is helpful for being used in multiple scenarios, and a relatively comprehensive test result can be obtained based on the detection parameters.

The implementation principle is as follows: a user holds the tester in a hand and turns on the power switch 82 in a certain place or within a specific distance of certain equipment, under the power supply of the battery 8, the display screen 7 is bright and displays a function menu, the control circuit board 5 is triggered through the function keys 3 according to the function menu to control the multimode Internet of things module 51 to operate and start to test corresponding items selected by the function keys 3, and the display screen 7 displays a test result. When a plurality of operator networks need to be compared, the sliding cover 121 is slid open, the SIM card corresponding to the operator to be detected is inserted into the SIM card slot 52, the control circuit board is triggered by the functional key 3 to start testing and comparing the corresponding items, and the test result is displayed by the display screen 7. Besides, when the tester is required to realize other functions based on the existing hardware, the principle of the test operation process is the same as that of the test operation process, and details are not repeated here.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. The utility model provides a signal tester based on narrowband thing networking which characterized in that includes:

2. The signal tester based on the narrowband internet of things of claim 1, wherein one side of the control circuit board is provided with a plurality of SIM card slots, and the housing is provided with a detachable sliding cover at one side corresponding to the SIM card slots, and the detachable sliding cover is used for exposing or shielding the SIM card slots.

3. The signal tester based on the narrowband internet of things of claim 1, wherein the display screen is fixed on the control circuit board through a display screen support, the display screen support comprises a bottom plate, a limiting strip arranged at the edge of the bottom plate and a clamping structure arranged at one side close to the control circuit board, the bottom plate and the limiting strip form a display screen bearing position, and the clamping structure is used for fixing the display screen support on the control circuit board.

4. The narrow-band Internet of things-based signal tester as claimed in claim 3, wherein the bottom plate is provided with a positioning column at one side close to the control circuit board, and the control circuit board is provided with a positioning hole matched with the positioning column.

5. The signal tester based on the narrowband internet of things of claim 1, wherein the display screen further comprises a buffer area outside the display area, the surface of the buffer area is provided with buffer cotton, and the inner surface of the shell is provided with a groove corresponding to the buffer area.

6. The narrow-band Internet of things-based signal tester as claimed in claim 1, wherein the housing comprises an upper housing and a lower housing, the upper housing and the lower housing are detachably connected, and the upper housing and the lower housing are connected to form a cavity; the antenna comprises an upper shell, an antenna interface, a control circuit board, a display screen, a power supply assembly and a power supply assembly, wherein the upper shell is arranged on the upper shell, the antenna interface is arranged at the end part of the shell, between the upper shell and the lower shell, the control circuit board, the display screen and the power supply assembly are arranged in a containing cavity, the display screen is arranged between the control circuit board and the upper shell, and the power supply assembly is arranged between the control circuit board and the.

7. The signal tester based on the narrowband internet of things of claim 1, wherein the housing is provided with a plurality of control keys, and the plurality of control keys are fixed on the housing through a connecting shaft branch structure arranged in the housing; the connecting shaft branch structure comprises a cross bar and a plurality of branch bars connected with the cross bar, the cross bar is provided with a limiting hole, and the branch bars are correspondingly connected with the keys one by one; and a limiting column is arranged in the shell and matched with a limiting hole of the connecting shaft branch structure.

8. The signal tester based on the narrowband internet of things of claim 1, wherein the power supply assembly is a lithium battery, and a power switch and a charging interface which are electrically connected with the control circuit board are arranged on the outer side of the shell.

9. The signal tester based on the narrowband internet of things according to any one of claims 1 to 8, wherein a remote communication unit, a GPS unit and a Bluetooth unit are further deployed on the control circuit board, the tester is connected with a remote statistical analysis platform through the remote communication unit to perform data display and statistical analysis, feeds back signals in real time through the GPS unit to cover position distribution and detect positions in real time, and is connected with an external device through the Bluetooth unit to display detection data on the external device.

10. The signal tester based on the narrowband internet of things according to any one of claims 1 to 8, wherein the tester detection parameters comprise reference signal received power, signal-to-interference-plus-noise ratio, delay, uplink and downlink rates, and the tester detection frequency range is 800-2100 MHz.