CN215374021U - Multifunctional chip suitable for intelligent instrument and intelligent instrument - Google Patents
Multifunctional chip suitable for intelligent instrument and intelligent instrument Download PDFInfo
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- CN215374021U CN215374021U CN202022524006.2U CN202022524006U CN215374021U CN 215374021 U CN215374021 U CN 215374021U CN 202022524006 U CN202022524006 U CN 202022524006U CN 215374021 U CN215374021 U CN 215374021U
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Abstract
The utility model provides a multifunctional chip suitable for an intelligent instrument and the intelligent instrument. Wherein the multifunctional chip is integrated with: the data acquisition circuit is used for acquiring data of the intelligent instrument; the micro-control processing circuit is electrically connected with the data acquisition circuit and is used for processing the acquired intelligent instrument data; the micro-control processing circuit comprises a national password safety circuit and is used for encrypting and protecting the data of the intelligent instrument; and the communication circuit is connected with the micro-control processing circuit and is used for being in communication connection with the outside. The multifunctional chip is integrated with the national secret security circuit, so that safer protection can be provided for data of the intelligent instrument, and privacy information and property security of users of the intelligent instrument are effectively guaranteed; a remote upgrading control circuit is integrated, so that the product function can be improved in time; the full-band communication of the intelligent instrument can be realized; in addition, the utility model realizes the multifunction and high integration of the intelligent instrument, is convenient for batch production design and improves the production efficiency of products.
Description
Technical Field
The utility model relates to the technical field of intelligent instruments, in particular to a multifunctional chip suitable for an intelligent instrument and the intelligent instrument.
Background
Traditional mechanical or electronic instruments are gradually transitioning to intelligent instruments by means of advanced computer technology and microelectronic electronic technology. The intelligent instrument can solve the problem that the traditional instrument is difficult to solve or can not solve, if the on-site real-time monitoring can be carried out, an instrument circuit can be simplified, the reliability of the instrument is improved, the purposes of high precision, high performance and multiple functions can be realized more easily, the accurate display of multiple physical quantities can be completed, multiple functions such as transmission output, relay control output, communication, data maintenance can be carried out, and the functions such as data acquisition, data processing, data communication and the diversified transmission of data can be completed. With the advent of the big data era, how to ensure the integrity, reliability and confidentiality of data of the intelligent instrument and avoid leakage or illegal tampering of user information has become an important ring for the healthy development of the intelligent instrument industry. In addition, under the condition that the requirements on the intelligent instrument are higher and higher, how to better realize the multifunction of the intelligent instrument, and meanwhile, the convenience of use and installation of the intelligent instrument also needs further research.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, the present invention provides a multifunctional chip and a smart meter suitable for a smart meter, which protect data of the smart meter and avoid data loss, leakage or falsification; and multiple functions of the intelligent instrument are integrated on the chip, so that high integration of the intelligent instrument is realized, and the cost performance of the intelligent instrument is improved while the functions are ensured.
To achieve the above and other related objects, a first aspect of the present invention provides a multifunctional chip for a smart meter, the chip integrating: the data acquisition circuit is used for acquiring data of the intelligent instrument; the micro-control processing circuit is electrically connected with the data acquisition circuit and is used for processing the acquired intelligent instrument data; the micro-control processing circuit comprises a national password safety circuit and is used for encrypting and protecting the data of the intelligent instrument; and the communication circuit is connected with the micro-control processing circuit and is used for being in communication connection with the outside.
In a preferred embodiment of the first aspect of the present invention, the chip further integrates: and the remote upgrading control circuit is respectively connected with the micro-control processing circuit and the communication circuit and is used for remotely upgrading the intelligent instrument.
In a preferred embodiment of the first aspect of the present invention, the smart meter data comprises user transaction data, user identity data, meter metering data and meter parameter data; the meter metering data in turn comprises water usage data, gas usage data or heat usage data.
In a preferred embodiment of the first aspect of the present invention, the chip further integrates: and the interface circuit or the eSIM communication circuit of the external SIM card module is connected with the micro-control processing circuit and is used for realizing full-band communication of the intelligent instrument.
In a preferred embodiment of the first aspect of the present invention, the chip further integrates: and the voltage detection circuit is connected with the micro-control processing circuit and is used for detecting the power supply voltage and sending a reminding signal when the power supply voltage is insufficient.
In a preferred embodiment of the first aspect of the present invention, the chip further integrates: and the extended Flash storage circuit is connected with the micro-control processing circuit and is used for storing and backing up the data of the intelligent instrument.
In a preferred embodiment of the first aspect of the present invention, the chip further integrates: and the LCD display driving circuit is connected with the micro-control processing circuit and is used for driving an LCD display screen of the intelligent instrument.
In a preferred embodiment of the first aspect of the present invention, the chip further integrates: and the valve control circuit is connected with the micro control processing circuit.
In a preferred embodiment of the first aspect of the present invention, the chip further integrates: and the reserved GPIO interface is connected with the micro-control processing circuit.
To achieve the above and other related objects, a second aspect of the present invention provides a smart meter, comprising: the instrument shell with the multi-functional chip, wherein the multi-functional chip is located in the instrument shell.
As described above, the multifunctional chip and the smart meter suitable for the smart meter according to the present invention have the following advantages: the multifunctional chip is integrated with a national secret safety circuit, so that safer protection can be provided for data of the intelligent instrument, corresponding information cannot be easily obtained by the outside, and privacy information and property safety of intelligent instrument users are effectively guaranteed; the multifunctional chip is also integrated with a remote upgrading control circuit, so that upgrading treatment can be performed when an adaptive upgrading package and an instrument need to be newly added or a product has a problem, and the product function can be improved in time; the multifunctional chip can realize full-band communication of the intelligent instrument, and a user can independently select and even enjoy communication services of three operators simultaneously; in addition, the multifunctional chip realizes the multifunction and high integration of the intelligent instrument, the obtained intelligent instrument is small in size, light in weight and convenient for batch production design, the production efficiency of products is improved, and the cost performance of the products and the use experience of users are improved.
Drawings
Fig. 1 shows a schematic structural diagram of a multifunctional chip suitable for a smart meter according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present application is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "below," "lower," "above," "upper," and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature as illustrated in the figures.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "retained," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," and/or "comprising," when used in this specification, specify the presence of stated features, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions or operations are inherently mutually exclusive in some way.
The utility model aims to provide a multifunctional chip suitable for an intelligent instrument and the intelligent instrument, so as to solve the technical problems of safety protection and function integration of the intelligent instrument.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are further described in detail by the following embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example one
As shown in fig. 1, the present invention provides a multifunctional chip suitable for a smart meter. The multifunctional chip includes: data acquisition circuit 11, little control processing circuit 12 and communication circuit 13, specifically state as follows:
the data acquisition circuit 11 is used for acquiring data of the intelligent instrument. The smart meter data includes, but is not limited to: user transaction data, user identity data, meter metering data, and meter parameter data. The meter metering data comprises water consumption data, gas consumption data or heat consumption data, and the corresponding intelligent meters are an intelligent water meter, an intelligent gas meter and an intelligent heat meter. The user transaction data, in turn, includes load data, consumption data, account balance data, and the like. The data acquisition circuitry includes, but is not limited to: an ultrasonic data acquisition circuit, a pulse data acquisition circuit, and the like.
The micro-control processing circuit 12 is electrically connected with the data acquisition circuit 11, and processes the acquired intelligent instrument data. Specifically, the micro-control processing circuit 12 may select: a Micro Control Unit (MCU), a general Processor such as a Central Processing Unit (CPU), a Network Processor (NP), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc.
It is worth mentioning that the micro-control processing circuit 12 comprises a cryptographic security circuit 121 for protecting the smart meter data in an encrypted manner. The national security circuit 121 integrates a high-speed security algorithm and a communication interface, abandons a traditional data encryption and decryption processing mode, greatly improves the encryption and decryption speed of a data stream, and is particularly suitable for encryption protection of intelligent instrument data. It should be noted that, in the present invention, the existing security chip is integrated into the multifunctional chip provided in this embodiment, and the existing security chip does not relate to software update. The secret security circuit can be selected from a TF32A09 chip, a SJK1127 chip and the like.
The communication circuit 13 is connected to the micro control processing circuit 12 for communication connection with the outside. The communication circuit 13 includes any one or a combination of a plurality of 3G/4G/5G communication circuits, NB-IoT communication circuits, LoRa communication circuits, Zigbee communication circuits, Z-wave communication circuits, Wifi communication circuits, bluetooth communication circuits, infrared communication circuits, and the like. The combination of the NB-IoT communication circuit and the Bluetooth communication circuit is preferred in the embodiment, so that the advantages of wide NB-IoT network coverage, more connections and low cost can be fully utilized, and the smart meter can interact with the user mobile phone through the Bluetooth communication circuit under the condition that partial NB-IoT signals are not covered in place, and the utility model is particularly suitable for the utility model.
In a preferred embodiment of this embodiment, the chip further integrates: the control circuit 14 is upgraded remotely. The remote upgrade control circuit 14 is respectively connected with the micro-control processing circuit 12 and the communication circuit 13, and is used for remotely upgrading the intelligent instrument. The remote upgrade control circuit 14 includes a storage unit and a control unit, and completes the upgrade of the chip through the communication circuit 13 and a software upgrade protocol, including COTA (remote configuration upgrade), DOTA (data packet remote upgrade), FOTA (remote firmware upgrade), or the like.
Specifically, the remote upgrade control circuit 14 may upgrade the micro-control processing circuit 12 and the communication circuit 13 of the smart meter respectively: for the micro-control processing circuit 12, the remote upgrading control circuit downloads and stores the upgrading packet into the storage unit of the micro-control processing circuit through the communication circuit 13, then the control unit of the remote upgrading control circuit performs verification calculation on the upgrading packet, and after the verification is passed, the upgrading application program in the upgrading packet is started to realize the updating of the micro-control processing circuit 12; for the communication circuit 13, the remote upgrade control circuit may obtain a corresponding upgrade package from the platform server (for example, upgrade 3GPP R13 to 3GPP R14), download and store the upgrade package in its storage unit, perform verification calculation on the upgrade package, and start the upgrade application program in the upgrade package after the verification is passed, thereby implementing the update of the communication circuit 13. The remote upgrading control circuit is started when an adaptive upgrading packet appears on the network upgrading end side, a function needs to be added on the application end side, or a product problem appears in the operation of the application end side and the remote upgrading needs to be carried out on the application end side, so that the intelligent instrument is timely adjusted to the optimal configuration and performance, and the remote upgrading control circuit has important significance for guaranteeing normal energy supply and rapidly processing faults.
It should be noted that, in the present embodiment, the remote upgrade control circuit 14 starts the remote upgrade, downloads and stores the upgrade package, and checks and calculates the upgrade package, etc. all are based on the existing program or software, and does not involve any software technology update.
In a preferred embodiment of this embodiment, the chip further integrates: the external SIM card module is an interface circuit or an eSIM communication circuit, which is collectively referred to as a full-band communication circuit 15. And the full-frequency communication circuit 15 is connected with the micro-control processing circuit 12 and is used for realizing full-frequency-band communication of the intelligent instrument. The intelligent instrument can be connected with the external SIM card module through the interface circuit, and the SIM card module comprises SIM cards of three operators, so that full-band communication of the intelligent instrument is realized. The multifunctional chip integrated eSIM communication circuit is a circuit of SIM cards of three operators, namely, an intelligent instrument can directly enter communication networks of the three operators through the eSIM communication circuit on the multifunctional chip without being connected with an SIM card module outside the chip, and therefore interfaces of the chip and occupation of instrument space are reduced. Optionally, the multifunctional chip may be integrated with only any one of an interface circuit of an external SIM card module or an eSIM communication circuit; an interface circuit of an external SIM card module and an eSIM communication circuit can be integrated at the same time, so that a user can select a full-frequency communication mode according to the actual use environment and requirements; this embodiment is not limited to this.
In a preferred embodiment of this embodiment, the chip further integrates: and a voltage detection circuit 16. The voltage detection circuit 16 is connected to the micro-control processing circuit 12, and is configured to detect a power supply voltage and send out a warning signal when the power supply voltage is insufficient. Optionally, the voltage detection circuit 16 includes, but is not limited to, a resistance division detection circuit, a voltage sensor detection circuit, a 555 voltage detection circuit, and the like. Among the commonly used voltage sensors are voltage transformers, hall voltage sensors, fiber optic voltage sensors, and the like. Moreover, the reminding signal sent by the voltage detection circuit 16 is sent to a corresponding alarm device to alarm; the optional alarm device comprises an acoustic alarm device, an optical alarm device, a character alarm device and the like.
In a preferred embodiment of this embodiment, the chip further integrates: and the Flash storage circuit 17 is expanded. The extended Flash storage circuit 17 is connected with the micro control processing circuit 12 and is used for storing and backing up data of the intelligent instrument. Extended Flash memory storage circuits (Flash memories) are a form of electrically erasable programmable read-only memory that allow multiple erasures or writes during operation and retain stored information for long periods of time without power up, and also have the advantages of high access speed and low power consumption.
In a preferred embodiment of this embodiment, the chip further integrates: a crystal clock circuit (not shown). The crystal oscillator clock circuit is used for supporting the stabilization of a micro-control processing circuit in the intelligent instrument and a clock of a radio frequency part (such as an induction type electronic wafer or a proximity card, an induction card, a non-contact card, an electronic tag, an electronic bar code and the like) of the intelligent instrument. The crystal oscillator clock circuit generally comprises a crystal oscillator, a crystal oscillator control chip and a capacitor. Common crystal clock circuits are DS1302, DS1307, PCF8485, DS1302, etc.
In a preferred embodiment of the present embodiment, the chip further integrates a power management circuit (not shown). The power management circuit is responsible for the conversion, distribution, detection and other power management of power in the intelligent instrument, can effectively distribute power to different components of the intelligent instrument, and can prolong the service life of a battery by two times or three times by reducing the energy consumption of the components when the components are idle. Common power management chips include HIP6301, IS6537, RT9237, ADP3168, KA7500, TL494 and the like.
In a preferred embodiment of the present invention, the chip further integrates an LCD display driving circuit (not shown). The LCD display driving circuit comprises a static driving circuit, a multiplex driving circuit, a character type LCD driving circuit and a dot matrix type LCD driving circuit; the rotation direction of liquid crystal molecules is controlled by adjusting the signal and voltage change on the thin film transistor TFT, so that whether polarized light of each pixel point is emitted or not is controlled, and the display purpose is achieved.
In a preferred embodiment of this embodiment, the chip further integrates a valve control circuit (not shown). The valve control circuit controls the motor for driving the valve of the intelligent instrument to act so as to control the valve to realize the functions of diversion, interception, regulation, throttling, backflow prevention, diversion or overflow pressure relief and the like, and further control the water supply, air supply or heat energy transmission of the system.
In a preferred embodiment of this embodiment, the chip further integrates a reserved GPIO (General-purpose input/output) interface circuit (not shown), so as to facilitate subsequent expansion of the functions of the meter. The expanded functional circuit is connected with the reserved GPIO interface circuit to realize corresponding functions. The PINs of the GPIO can be freely used by a user through program control, and the PINs of the PIN can be used as general input, general output or general input and output according to practical consideration, so that the PIN has the advantages of low power consumption, small package, low cost, simple wiring and the like.
Example two
The embodiment provides an intelligent instrument, including instrument casing and multi-functional chip, multi-functional chip wherein locates in the instrument casing. The instrument shell comprises elements such as but not limited to a shell, a panel, a lining plate and a bracket, mainly plays a role in protecting internal elements, and is generally designed and manufactured by adopting high-quality aluminum alloy profiles; the multifunctional chip in the instrument housing is similar to the multifunctional chip described above, and therefore, the description thereof is omitted.
It should be noted that, the intelligent instrument using the multifunctional chip is not only beneficial to the realization of standardized design of product modules, miniaturization of partial volume of electronic pcba (printed Circuit Board assembly), standardization of production line in the product testing process and better standardization of supply chain, but also realizes the improvement of user design efficiency and product production efficiency.
In summary, the utility model provides a multifunctional chip and an intelligent instrument suitable for the intelligent instrument, wherein the multifunctional chip is integrated with a national secret security circuit, so that safer protection can be provided for the data of the intelligent instrument, corresponding information can not be easily obtained by the outside, and privacy information and property safety of a user of the intelligent instrument are effectively guaranteed; the multifunctional chip is also integrated with a remote upgrading control circuit, so that upgrading treatment can be performed when an adaptive upgrading package and an instrument need to be newly added or a product has a problem, and the product function can be improved in time; the multifunctional chip can realize full-band communication of the intelligent instrument, and a user can independently select and even enjoy communication services of three operators simultaneously; in addition, the multifunctional chip realizes the multifunction and high integration of the intelligent instrument, the obtained intelligent instrument is small in size, light in weight and convenient for batch production design, the production efficiency of products is improved, and the cost performance of the products and the use experience of users are improved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A multifunctional chip adapted for smart meters, said chip integrated with:
the data acquisition circuit is used for acquiring data of the intelligent instrument;
the micro-control processing circuit is electrically connected with the data acquisition circuit and is used for processing the acquired intelligent instrument data; the micro-control processing circuit comprises a national password safety circuit and is used for encrypting and protecting the data of the intelligent instrument;
and the communication circuit is connected with the micro-control processing circuit and is used for being in communication connection with the outside.
2. The multifunctional chip of claim 1, wherein said chip further integrates: and the remote upgrading control circuit is respectively connected with the micro-control processing circuit and the communication circuit and is used for remotely upgrading the intelligent instrument.
3. The multifunction chip of claim 1, wherein said smart meter data comprises user transaction data, user identity data, meter metering data, and meter parameter data; the meter metering data in turn comprises water usage data, gas usage data or heat usage data.
4. The multifunctional chip of claim 1, wherein said chip further integrates: and the interface circuit or the eSIM communication circuit of the external SIM card module is connected with the micro-control processing circuit and is used for realizing full-band communication of the intelligent instrument.
5. The multifunctional chip of claim 1, wherein said chip further integrates: and the voltage detection circuit is connected with the micro-control processing circuit and is used for detecting the power supply voltage and sending a reminding signal when the power supply voltage is insufficient.
6. The multifunctional chip of claim 1, wherein said chip further integrates: and the extended Flash storage circuit is connected with the micro-control processing circuit and is used for storing and backing up the data of the intelligent instrument.
7. The multifunctional chip of claim 1, wherein said chip further integrates: and the LCD display driving circuit is connected with the micro-control processing circuit and is used for driving an LCD display screen of the intelligent instrument.
8. The multifunctional chip of claim 1, wherein said chip further integrates: and the valve control circuit is connected with the micro control processing circuit.
9. The multifunctional chip of claim 1, wherein said chip further integrates: and the reserved GPIO interface is connected with the micro-control processing circuit.
10. A smart meter, comprising:
an instrument housing;
the multifunctional chip of any one of claims 1 to 9, disposed within the instrument housing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022524006.2U CN215374021U (en) | 2020-11-04 | 2020-11-04 | Multifunctional chip suitable for intelligent instrument and intelligent instrument |
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| CN202022524006.2U CN215374021U (en) | 2020-11-04 | 2020-11-04 | Multifunctional chip suitable for intelligent instrument and intelligent instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117202174A (en) * | 2023-01-31 | 2023-12-08 | 杭州水务数智科技股份有限公司 | Low-power-consumption water meter information transmission method based on encrypted wireless communication |
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2020
- 2020-11-04 CN CN202022524006.2U patent/CN215374021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117202174A (en) * | 2023-01-31 | 2023-12-08 | 杭州水务数智科技股份有限公司 | Low-power-consumption water meter information transmission method based on encrypted wireless communication |
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