CN215646830U - CAT thing allies oneself with module - Google Patents
CAT thing allies oneself with module Download PDFInfo
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- CN215646830U CN215646830U CN202121064218.5U CN202121064218U CN215646830U CN 215646830 U CN215646830 U CN 215646830U CN 202121064218 U CN202121064218 U CN 202121064218U CN 215646830 U CN215646830 U CN 215646830U
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Abstract
According to the CAT Internet of things module, the main control module, the power supply module, the remote upgrading module and the offline upgrading module are arranged, and the remote upgrading module comprises the WiFi unit and the BT unit, so that when the CAT Internet of things module is located in an area with weak signals, a user can finish software program upgrading through an external WiFi device, or can establish Bluetooth matching with external equipment, and finish upgrading through a software program upgrading packet transmitted by Bluetooth; in addition, owing to still be provided with off-line upgrading module, when can't receive radio signal around the CAT thing allies oneself with the module, the user transmits the software program upgrading package to CAT thing allies oneself with the module and accomplishes the upgrading through wired connection's mode, because the CAT thing of this application allies oneself with the module and possesses two kinds of upgrading modes on-line and off-line, guarantees that software can in time be updated, adapts to all kinds of environment, and can improve the stability of CAT thing allies oneself with the module greatly.
Description
Technical Field
The utility model relates to the technical field of Internet of things, in particular to a CAT Internet of things module.
Background
With the high-speed advance of 5G construction, 2G and 3G networks tend to quit the stage. However, the 2G network involves many real-time and mobility, and needs a certain bandwidth transmission capability, even supports application scenarios of voice communication capability, such as vehicle-mounted, mobile payment, industrial interconnection, elderly people, and the like, and the CAT internet of things module stands out of the market of the internet of things of the 2G network.
In the age of rapid development of science and technology, the upgrading of any electronic product is also very frequent, and the CAT internet of things module is no exception. At present, the software updating and upgrading mode of the CAT internet of things module is single, and the on-line upgrading is basically carried out through an SIM card used by the CAT internet of things module. However, in the area with weak signals, the software update of the CAT internet of things module is very blocked, and if the software cannot be updated in time, the normal operation of the CAT internet of things module is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a CAT (CAT Internet of things) module which has multiple software updating modes, can ensure that software can be updated in time and has strong stability.
The purpose of the utility model is realized by the following technical scheme:
a CAT networking module, comprising:
a main control module;
the input end of the power supply module is used for being connected with external equipment, and the first output end of the power supply module is connected with the main control module;
the remote upgrading module comprises a WiFi unit, a BT unit, a switch unit and a level conversion unit, wherein the WiFi unit is respectively connected with the second output end of the power supply module and the switch unit, the BT unit is respectively connected with the second output end of the power supply module and the switch unit, and the level conversion unit is respectively connected with the switch unit and the main control module; and
and the off-line upgrading module is connected with the main control module.
In one embodiment, the WiFi unit includes a WiFi chip, a resistor R3, a capacitor C4 and a capacitor C5, the power end of the WiFi chip is connected to the second output terminal of the power module, the data terminal of the WiFi chip is connected to the switch unit, the reset terminal of the WiFi chip is connected to one end of the resistor R3, the ground terminal of the WiFi chip is grounded, the other end of the resistor R3 is connected to the switch unit, one end of the capacitor C4 is connected to one end of the resistor R3, the other end of the capacitor C4 is grounded, one end of the capacitor C5 is connected to the power end of the WiFi chip, and the other end of the capacitor C5 is grounded.
In one embodiment, the BT unit includes a BT chip, a resistor R4, a capacitor C3, and a capacitor C6, a power supply end of the BT chip is connected to the second output end of the power module, a data end of the BT chip is connected to the switch unit, a reset end of the BT chip is connected to one end of the resistor R4, the other end of the resistor R4 is connected to the switch unit, one end of the capacitor C3 is connected to one end of the resistor R4, the other end of the capacitor C3 is grounded, one end of the capacitor C6 is connected to the power supply end of the BT chip, and the other end of the capacitor C6 is grounded.
In one embodiment, the level shifter unit includes a level shifter U1, a resistor R12, a resistor R10, a resistor R11, a capacitor C16 and a resistor R13, wherein a 1 st pin of the level shifter U1 is respectively connected to one end of the resistor R12 and the main control module, the other end of the resistor R12 is connected to the voltage output terminal of the main control module, a 2 nd pin of the level shifter U1 is connected to the voltage output terminal of the main control module, a 3 rd pin of the level shifter U1 is respectively connected to one end of the resistor R10 and the switch unit, the other end of the resistor R10 is connected to the second output terminal of the power module, a 4 th pin of the level shifter U1 is respectively connected to one end of the resistor R11 and the main control module, the other end of the resistor R11 is connected to the voltage output terminal of the main control module, one end of the capacitor C16 is respectively connected to a 5 th pin of the level shifter U1 and the voltage output terminal of the main control module, the other end of the capacitor C16 is grounded, the 6 th pin of the level shifter U1 is connected to one end of the resistor R13 and the switch unit, respectively, and the other end of the resistor R13 is connected to the second output terminal of the power module.
In one embodiment, the offline upgrade module includes a connection terminal USB1, a capacitor C12, a resistor R8, an anti-static tube D1, a resistor R9, and an anti-static tube D2, a 1 st pin of the connection terminal USB1 is connected in series with the capacitor C12 and is grounded, a 2 nd pin of the connection terminal USB1 is connected to one end of the resistor R8, the other end of the resistor R8 is connected to the main control module, one end of the anti-static tube D1 is connected to the other end of the resistor R8, the other end of the anti-static tube D1 is grounded, a 3 rd pin of the connection terminal USB1 is connected to one end of the resistor R9, the other end of the resistor R9 is connected to the main control module, the other end of the resistor R9 is connected to one end of the anti-static tube D2, the other end of the anti-static tube D2 is grounded, and a 5 th pin of the connection terminal 1 is grounded.
Compared with the prior art, the utility model at least has the following advantages and beneficial effects:
according to the CAT Internet of things module, the main control module, the power supply module, the remote upgrading module and the offline upgrading module are arranged, and the remote upgrading module comprises the WiFi unit and the BT unit, so that when the CAT Internet of things module is located in an area with weak signals, a user can finish software program upgrading through an external WiFi device, or can establish Bluetooth matching with external equipment, and finish upgrading through a software program upgrading packet transmitted by Bluetooth; in addition, owing to still be provided with off-line upgrading module, when can't receive radio signal around the CAT thing allies oneself with the module, the user transmits the software program upgrading package to CAT thing allies oneself with the module and accomplishes the upgrading through wired connection's mode, because the CAT thing of this application allies oneself with the module and possesses two kinds of upgrading modes on-line and off-line, guarantees that software can in time be updated, adapts to all kinds of environment, and can improve the stability of CAT thing allies oneself with the module greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic block diagram of a CAT internet of things module according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a WiFi unit in an embodiment of the utility model;
fig. 3 is a schematic circuit diagram of a BT unit according to an embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of a level shifting unit according to an embodiment of the present invention;
FIG. 5 is a schematic circuit diagram of an offline upgrade module according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a switching unit according to an embodiment of the utility model.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a CAT internet of things module 10 includes a main control module 100, a power supply module 200, a remote upgrade module 300, and an offline upgrade module 400.
Thus, it should be noted that the main control module 100 plays a role in signal processing and signal transceiving; the power module 200 plays a role of voltage conversion and supplies power to the functional module of the CAT internet of things module 10; the remote upgrading module 300 is used for upgrading the CAT internet of things module 10 on line; the offline upgrade module 400 is used for performing offline upgrade on the CAT internet of things module 10.
Referring to fig. 1, an input terminal of the power module 200 is used for connecting with an external device, and a first output terminal of the power module 200 is connected with the main control module 100.
Thus, it should be noted that the power module 200 plays a role of voltage conversion, and may adopt a voltage converter commonly found in the market, and a peripheral circuit is formed around the voltage converter to form the power module 200, and the power module 200 of the present application can output two voltages with different values.
Referring to fig. 1, the remote upgrade module 300 includes a WiFi unit 310, a BT unit 320, a switch unit 330, and a level shift unit 340, where the WiFi unit 310 is connected to the second output terminal of the power module 200 and the switch unit 330, the BT unit 320 is connected to the second output terminal of the power module 100 and the switch unit 330, and the level shift unit 340 is connected to the switch unit 330 and the main control module 100.
In this way, it should be noted that, since the remote upgrade module 300 includes the WiFi unit 310 and the BT unit 320, when the CAT internet of things module 10 is located in a weak signal area, the user may complete software program upgrade by using an external WiFi device, or may complete upgrade by using a software program upgrade package transmitted by bluetooth by establishing bluetooth matching with an external device.
It should be further noted that, as shown in fig. 6, which is a schematic circuit diagram of the switch unit 330, the switch unit 330 is a P1 electronic component shown in fig. 6, and the main control module 100 can correspondingly select to turn on the WiFi unit 310 or the BT unit 320 through the switch unit 330, and perform online upgrade in an alternative manner, so as to reduce the overall power consumption of the CAT internet of things module 10.
Referring to fig. 1, the offline upgrade module 400 is connected to the main control module 100.
Thus, it should be noted that, because the offline upgrade module 400 is further provided, when the CAT internet of things module 10 cannot receive wireless signals around, the user transmits the software program upgrade package to the CAT internet of things module 10 in a wired connection manner to complete the upgrade.
It should be further noted that, because the CAT thing allies oneself with module 10 of this application possesses two kinds of upgrading modes on-line and off-line, guarantees that software can in time be updated, adapts to all kinds of environments, and can improve CAT thing allies oneself with the stability of module 10 greatly.
Further, referring to fig. 2, in an embodiment, the WiFi unit 310 includes a WiFi chip, a resistor R3, a capacitor C4 and a capacitor C5, a power end of the WiFi chip is connected to the second output end of the power module, a data end of the WiFi chip is connected to the switch unit 330, a reset end of the WiFi chip is connected to one end of the resistor R3, a ground end of the WiFi chip is grounded, the other end of the resistor R3 is connected to the switch unit 330, one end of the capacitor C4 is connected to one end of the resistor R3, the other end of the capacitor C4 is grounded, one end of the capacitor C5 is connected to the power end of the WiFi chip, and the other end of the capacitor C5 is grounded.
Thus, it should be noted that the WiFi chip is the WF1 electronic component shown in fig. 2; the resistor R3 and the capacitor C4 form a delay branch circuit, which can play a role in protecting the WiFi unit 310 and prevent the WiFi unit 310 from being damaged due to excessive surge current at the moment of power-on or power-off; the capacitor C5 functions as a filter to eliminate spurious signals in the input voltage.
Further, referring to fig. 3, in an embodiment, the BT unit 320 includes a BT chip, a resistor R4, a capacitor C3 and a capacitor C6, a power supply terminal of the BT chip is connected to the second output terminal of the power module 200, a data terminal of the BT chip is connected to the switch unit, a reset terminal of the BT chip is connected to one end of the resistor R4, the other end of the resistor R4 is connected to the switch unit 330, one end of the capacitor C3 is connected to one end of the resistor R4, the other end of the capacitor C3 is grounded, one end of the capacitor C6 is connected to the power supply terminal of the BT chip, and the other end of the capacitor C6 is grounded.
As such, the BT chip, i.e., the BT1 electronic component shown in fig. 3; the resistor R4 and the capacitor C3 also form a delay branch circuit, which can play a role in protecting the BT unit 320 and prevent the BT unit 320 from being damaged due to excessive surge current at the moment of power-on or power-off; the capacitor C6 functions as a filter to eliminate spurious signals in the input voltage.
Further, referring to fig. 4, in an embodiment, the level shifter unit 340 includes a level shifter U1, a resistor R12, a resistor R10, a resistor R11, a capacitor C16 and a resistor R13, a 1 st pin of the level shifter U1 is respectively connected to one end of the resistor R12 and the main control module 100, the other end of the resistor R12 is connected to a voltage output terminal of the main control module 100, a 2 nd pin of the level shifter U1 is connected to a voltage output terminal of the main control module 100, a 3 rd pin of the level shifter U1 is respectively connected to one end of the resistor R10 and the switch unit 330, the other end of the resistor R10 is connected to a second output terminal of the power module 200, a 4 th pin of the level shifter U1 is respectively connected to one end of the resistor R11 and the main control module 100, the other end of the resistor R11 is connected to a voltage output terminal of the main control module 100, one end of the capacitor C16 is respectively connected to a 5 th pin of the level shifter U1 and a voltage output terminal of the main control module 100, the other end of the capacitor C16 is grounded, the 6 th pin of the level shifter U1 is connected to one end of the resistor R13 and the switch unit 330, respectively, and the other end of the resistor R13 is connected to the second output terminal of the power module 200.
Thus, it should be noted that the level shifter U1 plays a role of level shifting, so that the WiFi unit 310 and the BT unit 320 can normally communicate with the main control module 100 for data interaction; the resistor R12, the resistor R10, the resistor R11 and the resistor R13 are pull-up resistors and are used for realizing high-low level conversion; the capacitor C16 is a filter capacitor for eliminating clutter signals.
Further, referring to fig. 5, in an embodiment, the offline upgrade module 400 includes a connection terminal USB1, a capacitor C12, a resistor R8, an anti-static tube D1, a resistor R9, and an anti-static tube D2, the 1 st pin of the connection terminal USB1 is grounded in series with the capacitor C12, the 2 nd pin of the connection terminal USB1 is connected to one end of the resistor R8, the other end of the resistor R8 is connected to the main control module, one end of the anti-static tube D1 is connected to the other end of the resistor R8, the other end of the anti-static tube D1 is grounded, the 3 rd pin of the connection terminal USB1 is connected to one end of the resistor R9, the other end of the resistor R9 is connected to the main control module, the other end of the resistor R9 is connected to one end of the anti-static tube D2, the other end of the anti-static tube D2 is grounded, and the 5 th pin of the connection terminal USB1 is grounded.
Therefore, it should be noted that the connection terminal USB1 plays a role in connection, and a user can connect with the connection terminal USB1 through a USB connection line, and transmit the upgrade package into the main control module 100 for upgrade, so that the CAT internet of things module 10 can complete upgrade online; the capacitor C12 is a filter capacitor; the anti-static tube D1 and the anti-static tube D2 play a role of anti-static electricity, and protect the offline upgrade module 400.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A CAT thing allies oneself with module, its characterized in that includes:
a main control module;
the input end of the power supply module is used for being connected with external equipment, and the first output end of the power supply module is connected with the main control module;
the remote upgrading module comprises a WiFi unit, a BT unit, a switch unit and a level conversion unit, wherein the WiFi unit is respectively connected with the second output end of the power supply module and the switch unit, the BT unit is respectively connected with the second output end of the power supply module and the switch unit, and the level conversion unit is respectively connected with the switch unit and the main control module; and
and the off-line upgrading module is connected with the main control module.
2. The CAT module of claim 1, wherein the WiFi unit comprises a WiFi chip, a resistor R3, a capacitor C4 and a capacitor C5, a power supply terminal of the WiFi chip is connected to the second output terminal of the power module, a data terminal of the WiFi chip is connected to the switch unit, a reset terminal of the WiFi chip is connected to one end of the resistor R3, a ground terminal of the WiFi chip is grounded, the other end of the resistor R3 is connected to the switch unit, one end of the capacitor C4 is connected to one end of the resistor R3, the other end of the capacitor C4 is grounded, one end of the capacitor C5 is connected to the power supply terminal of the WiFi chip, and the other end of the capacitor C5 is grounded.
3. The CAT IoT module according to claim 1, wherein the BT unit comprises a BT chip, a resistor R4, a capacitor C3 and a capacitor C6, a power supply terminal of the BT chip is connected to the second output terminal of the power module, a data terminal of the BT chip is connected to the switch unit, a reset terminal of the BT chip is connected to one terminal of the resistor R4, the other terminal of the resistor R4 is connected to the switch unit, one terminal of the capacitor C3 is connected to one terminal of the resistor R4, the other terminal of the capacitor C3 is grounded, one terminal of the capacitor C6 is connected to the power supply terminal of the BT chip, and the other terminal of the capacitor C6 is grounded.
4. The CAT IoT module of claim 1, wherein the level shifter unit comprises a level shifter U1, a resistor R12, a resistor R10, a resistor R11, a capacitor C16 and a resistor R13, wherein a pin 1 of the level shifter U1 is connected to one end of the resistor R12 and the main control module, respectively, the other end of the resistor R12 is connected to a voltage output terminal of the main control module, a pin 2 of the level shifter U1 is connected to a voltage output terminal of the main control module, a pin 3 of the level shifter U1 is connected to one end of the resistor R10 and the switch unit, respectively, the other end of the resistor R10 is connected to a second output terminal of the power module, a pin 4 of the level shifter U1 is connected to one end of the resistor R11 and the main control module, respectively, and the other end of the resistor R11 is connected to a voltage output terminal of the main control module, one end of the capacitor C16 is connected to the 5 th pin of the level shifter U1 and the voltage output end of the main control module, the other end of the capacitor C16 is grounded, the 6 th pin of the level shifter U1 is connected to one end of the resistor R13 and the switch unit, and the other end of the resistor R13 is connected to the second output end of the power module.
5. The CAT networking module of claim 1, wherein the offline upgrade module comprises a connection terminal USB1, a capacitor C12, a resistor R8, an anti-static tube D1, a resistor R9 and an anti-static tube D2, the 1 st pin of the connecting terminal USB1 is connected in series with the capacitor C12 and is grounded, the 2 nd pin of the connecting terminal USB1 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with the main control module, one end of the anti-static tube D1 is connected with the other end of the resistor R8, the other end of the anti-static tube D1 is grounded, the 3 rd pin of the connecting terminal USB1 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with the main control module, the other end of the resistor R9 is connected with one end of the anti-static tube D2, the other end of the anti-static tube D2 is grounded, and the 5 th pin of the connecting terminal USB1 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121064218.5U CN215646830U (en) | 2021-05-18 | 2021-05-18 | CAT thing allies oneself with module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121064218.5U CN215646830U (en) | 2021-05-18 | 2021-05-18 | CAT thing allies oneself with module |
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| Publication Number | Publication Date |
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| CN215646830U true CN215646830U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121064218.5U Active CN215646830U (en) | 2021-05-18 | 2021-05-18 | CAT thing allies oneself with module |
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| CN (1) | CN215646830U (en) |
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- 2021-05-18 CN CN202121064218.5U patent/CN215646830U/en active Active
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