Double-T-card split intelligent recorder terminal system and recorder

Abstract

The utility model discloses a double T card split intelligent recorder terminal system and a recorder, a second T card storage module is added in an original single T card recorder terminal system, the second T card storage module can be directly accessed to an SPI interface of a main control module after signal voltage transformation through a voltage transformation circuit, and second T card storage is realized. The second T card storage module can be accessed to independently store a secret key without making a new adjustment design on an original CPU interface of the main control module, and when a terminal application layer of the split intelligent recorder needs to use a software secret key, a VPN certificate, an APK secret key and an upper-layer application secret key stored in the second T card storage module can be directly extracted from the second T card storage module, so that the split intelligent recorder is convenient to use. The problem of file missing caused by errors in a common file mixed storage interval is prevented, user certificate management is facilitated, and the security level of the terminal is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to law enforcement recorder technical field more specifically, the utility model mainly relates to a kind of double T card split intelligent recorder terminal system and recorder. BACKGROUND

[0002] Law enforcement recorder is a kind of recorder hung in front of chest, the equipment of the whole process of law enforcement or operation is recorded completely, when starting, the front camera of law enforcement recorder real-time video recording, and video is sent to the display screen of law enforcement instrument rear end and is visualized display.Law enforcement recorder of existing generally is single T card design, for storage function, and law enforcement recorder usually needs to carry out security restriction protection, and encryption processing is needed in the operation, communication, use of law enforcement recorder, when the application layer of recorder needs to use software key, password needs to be copied to single T card storage area alone, and single T card storage file is mixed, leading to terminal operation error, cause file loss major loss.Therefore, the key storage of law enforcement recorder needs to be further improved. SUMMARY

[0003] The utility model aims at the above insufficient, provide a kind of double T card split intelligent recorder terminal system and recorder, to expect to solve the technical problem such as key and ordinary audio-video file mixed storage in prior art.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme:

[0005] The utility model provides a kind of double T card split intelligent recorder terminal system, including main control module, wireless communication positioning module, power module, image audio acquisition module, the wireless communication positioning module, power module, image audio acquisition module are electrically connected with main control module respectively, it further includes:

[0006] First T card storage module, is electrically connected with main control module, for storing image audio monitoring data;

[0007] Second T card storage module, is electrically connected with main control module, for storing VPN certificate, APK key, upper application key;

[0008] When the application layer of split intelligent recorder terminal needs to use software key, the key can be directly extracted from second T card storage module.

[0009] Further, the second T card storage module is electrically connected with main control module by voltage conversion circuit and then by SPI interface.

[0010] Further, the voltage transformation circuit comprises a voltage transformation module U7, the second T card storage module is connected with a capacitor C18 in parallel and then connected with an IN4 pin of the voltage transformation module U7, and the other end of the capacitor C18 is grounded; the SPI interface is connected with a resistor R16 in parallel and then connected with an EN3 pin of the voltage transformation module U7, and the other end of the resistor R16 is grounded; an OUT1 pin of the voltage transformation module U7 is connected with a capacitor C19 in parallel and then connected with the master control module through the SPI interface, and the other end of the capacitor C19 is connected with a GND2 pin and a GND5 pin of the voltage transformation module U7 in parallel and then grounded.

[0011] Further, the C18 is 1UF, the C19 is 1UF, and the resistor R16 is 10KΩ.

[0012] Further, the display module and the control module are further included, and the display module and the control module are connected with the master control module, the display module is used for checking terminal graphic acquisition and equipment state, and the control module is used for inputting terminal control signals.

[0013] Further, the wireless communication positioning module is a full-network wireless communication positioning module, and comprises a full-network antenna, a full-network card seat, a GPS module and a Beidou positioning module.

[0014] In addition, a recorder is provided, the recorder comprises the double-T card split intelligent recorder terminal system in any one of the above, and the recorder is provided with a camera and a microphone on the front face, and is provided with a display screen and a charging interface on the back face; the camera, the microphone, the display screen and the charging interface are connected with the double-T card split intelligent recorder terminal system.

[0015] Further, the recorder is further provided with a back clamp on the back face, and is used for fixing the recorder.

[0016] Compared with the prior art, the beneficial effects of the double-T card split intelligent recorder terminal system are as follows: the second T card storage module is added in the original single-T card recorder terminal system, the second T card storage module can be directly connected with the master control module after signal voltage transformation through the voltage transformation circuit, the voltage of the master control module is 1.8V, and the voltage of the T card storage module is 3.3V, so the second T card storage module needs to be connected through the voltage transformation circuit, the second T card storage module can be connected without new adjustment design of the original master control module CPU interface, the second T card storage module can be used for storing the key alone, when the software key is needed in the split intelligent recorder terminal application layer, the VPN certificate, the APK key and the upper application key stored in the second T card storage module can be directly extracted, the problem that the file is lost due to error caused by mixing storage of the ordinary file and the software key is avoided, the user certificate management is facilitated, and the security level of the terminal is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a double T card split intelligent recording appearance terminal system block diagram for the embodiment of the utility model.

[0018] Figure 2 The utility model discloses a voltage transformation circuit schematic diagram for the embodiment of the utility model. DETAILED DESCRIPTION

[0019] The utility model will be further described below in connection with the drawings.

[0020] Reference Figure 1 As shown in the figure, the embodiment of the utility model is a double T card split intelligent recording appearance terminal system, which comprises a main control module, a wireless communication positioning module, a power module, an image audio acquisition module, the wireless communication positioning module, the power module and the image audio acquisition module are electrically connected with the main control module, and importantly, the first T card storage module is also included and is electrically connected with the main control module and is used for storing image audio monitoring data; the second T card storage module is electrically connected with the main control module and is used for storing VPN certificate, APK key and upper layer application key; when the software key is needed in the split intelligent recording appearance terminal application layer, the key can be directly extracted from the second T card storage module.

[0021] In some embodiments, the second T card storage module is electrically connected with the main control module through the voltage transformation circuit and then through the SPI interface, the interface reserved by the normal main control module is used for accessing the communication card and one is used for accessing the T card storage module, and then one T card storage module needs to be added, so that the existing main control module needs to be newly adjusted and designed, the second T card storage module can be directly accessed to the main control module after passing through the voltage transformation circuit, since the SPI signal voltage of the main control module is 1.8V, and the voltage of the T card storage module is 3.3V, the second T card storage module needs to be accessed through the voltage transformation circuit, and the main control module does not need to be adjusted and designed.

[0022] In some embodiments, as shown in the figure, Figure 2 The voltage transformation circuit comprises a voltage transformation module U7, the second T card storage module is connected with the capacitor C18 in parallel and then is electrically connected with the IN4 pin of the voltage transformation module U7, and the other end of the capacitor C18 is grounded; the SPI interface is connected with the resistor R16 in parallel and then is electrically connected with the EN3 pin of the voltage transformation module U7, and the other end of the resistor R16 is grounded; the OUT1 pin of the voltage transformation module U7 is connected with the capacitor C19 in parallel and then is electrically connected with the main control module through the SPI interface, and the other end of the capacitor C19 is connected with the GND2 pin and the GND5 pin of the voltage transformation module U7 in parallel and then is grounded.

[0023] Among them, in some embodiments, C18 is 1UF, C19 is 1UF, and the resistance R16 is 10KΩ.

[0024] The utility model discloses a main gist lies in, in the original single T card recording appearance terminal system increases the second T card storage module, and the second T card storage module can be directly accessed main control module through the signal voltage conversion after voltage conversion circuit, because the main control module is SPI signal voltage 1.8V, and the voltage of T card storage module is 3.3V, needs through voltage conversion circuit and accesses the second T card storage module, realizes the second T card storage, need not make new adjustment design to the CPU interface of original main control module, can access the second T card storage module single storage key, when needing to use software key in the split intelligent recording appearance terminal application layer, can directly extract the storage VPN certificate, APK key, upper application key in the second T card storage module, prevents and ordinary file mixed use storage interval error and causes the problem of file loss, and the user certificate management of convenient also improves the security level of terminal.

[0025] Further, in some embodiments, further comprising a display module and a control module, the display module and the control module are electrically connected with the main control module, the display module is used for viewing terminal image acquisition and equipment state, and the control module is used for inputting terminal control signal, mainly for observation control of the terminal, convenient to use.

[0026] Further, in some embodiments, the wireless communication positioning module is a full-network wireless communication positioning module, including a full-network antenna, a full-network card seat, a GPS module and a Beidou positioning module, which can realize wireless communication function with any passable card and has positioning function.

[0027] In addition, a recorder is provided, which comprises the double-T card split intelligent recorder terminal system of any one of the above, and the recorder is provided with a camera and a microphone on the front face, and is provided with a display screen and a charging interface on the back face, and the camera, the microphone, the display screen and the charging interface are electrically connected with the double-T card split intelligent recorder terminal system, so that the recorder has a separate T card storage key, prevents error in mixed use of the storage interval with ordinary files, causes file loss, facilitates user certificate management and improves the security level of the terminal.

[0028] In some embodiments, the recorder is further provided with a back clip on the back face, which is used for fixing the recorder and is convenient to clamp on the body, convenient to use.

[0029] In addition to the above, it is also noted that throughout the specification, and in each draw, the use of the expression "one embodiment", "another embodiment", "an embodiment", or the like does not necessarily refer to the same embodiment. Rather, such expression is intended to identify specific embodiments that contain one or more features, structures, or characteristics. Further, the repeated use of the expression "one embodiment" in the specification, and the like, is not intended to convey that a feature, structure, or characteristic is required in all embodiments. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0030] While the present application has been described herein with respect to illustrative embodiments, it will be apparent that those skilled in the art can design many other variations and implementations without departing from the spirit and scope of the application. More particularly, variations and improvements can be made to the components of the subject combination layout and / or the layout itself, within the scope and range of equivalents of the application, drawings, and claims. Other uses will also be apparent to those of ordinary skill in the art, in addition to variations and improvements to the components and / or layout.

Claims

1. A dual-T-card split-type intelligent recorder terminal system, comprising a main control module, a wireless communication and positioning module, a power supply module, and an image and audio acquisition module, wherein the wireless communication and positioning module, the power supply module, and the image and audio acquisition module are electrically connected to the main control module, characterized in that, Also includes: The first T-card storage module is electrically connected to the main control module and is used to store image and audio monitoring data; The second T-card storage module is electrically connected to the main control module and is used to store VPN certificates, APK keys, and upper-layer application keys. When the application layer of the split-type smart recorder needs to use the software key, it can directly extract the key from the second T-card storage module.

2. The dual T-card split-type intelligent recorder terminal system according to claim 1, characterized in that: The second T-card storage module is electrically connected to the main control module via a transformer circuit and then via an SPI interface.

3. The dual-T-card split-type intelligent recorder terminal system according to claim 2, characterized in that: The transformer circuit includes a transformer module U7. The second T-card storage module is connected in parallel with capacitor C18 and then electrically connected to pin IN4 of transformer module U7. The other end of capacitor C18 is grounded. The SPI interface is connected in parallel with resistor R16 and then electrically connected to pin EN3 of transformer module U7. The other end of resistor R16 is grounded. Pin OUT1 of transformer module U7 is connected in parallel with capacitor C19 and then electrically connected to the main control module through the SPI interface. The other end of capacitor C19 is connected in parallel with pins GND2 and GND5 of transformer module U7 and then grounded.

4. The dual T-card split-type intelligent recorder terminal system according to claim 3, characterized in that: The C18 is 1µF, the C19 is 1µF, and the resistor R16 is 10KΩ.

5. The dual T-card split-type intelligent recorder terminal system according to claim 1, characterized in that: It also includes a display module and a control module, which are electrically connected to the main control module. The display module is used to view the terminal's graphic acquisition and device status, and the control module is used to input terminal control signals.

6. The dual T-card split-type intelligent recorder terminal system according to claim 1, characterized in that: The wireless communication positioning module is a full-network compatible wireless communication positioning module, which includes a full-network compatible antenna, a full-network compatible card slot, a GPS module, and a Beidou positioning module.

7. A recorder, characterized in that: The recorder includes the dual T-card split smart recorder terminal system according to any one of claims 1 to 6. The front of the recorder is provided with a camera and a microphone, and the back of the recorder is provided with a display screen and a charging interface. The camera, microphone, display screen, and charging interface are electrically connected to the dual T-card split smart recorder terminal system.

8. The recorder according to claim 7, characterized in that: The recorder also has a back clip on the back for securing it.

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