CN202853680U - Liquid level sensing system chip - Google Patents
Liquid level sensing system chip Download PDFInfo
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- CN202853680U CN202853680U CN 201220319178 CN201220319178U CN202853680U CN 202853680 U CN202853680 U CN 202853680U CN 201220319178 CN201220319178 CN 201220319178 CN 201220319178 U CN201220319178 U CN 201220319178U CN 202853680 U CN202853680 U CN 202853680U
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Abstract
The utility model discloses a liquid level sensing system chip, and relates to a semiconductor integrated circuit. The liquid level sensing system chip is characterized in that a pin of the chip is connected with more than one liquid level sensor through base plate pins; and a basis reference module, a power module, a programmable amplifier module, an analog-to-digital conversion module, a data processing module, a communication module, an input and output module, an adjustable clock module and a communication bus interface are installed on the chip, and all the function modules are connected in an electrical mode. The liquid level sensing system chip has the advantages that physical quantity information of multiple types of single liquid can be simultaneously measured, or physical quantity information of different liquid mixtures can be simultaneously measured, or after liquid level physical quantity information of liquid-solid mixtures and height physical quantity information of solid are calculated, data information is transmitted in the forms of current signals, voltage signals and communication protocols according to different client requirements. The liquid level sensing system chip is high in integration level, high in stability, accurate in transmission data, low in price, and suitable for various industrial fields.
Description
Technical field
The utility model relates to a kind of SIC (semiconductor integrated circuit), a kind ofly specifically the information exchange of the different physical parameters of plurality of liquid potpourri can be crossed a system integrated chip and carry out simultaneously data acquisition, process and with the multi-form a kind of liquid level sensor system chip that transmits.
Background technology
Traditional liquid level sensor has a lot of limitation, and analog signal output can only be provided, and output terminal all needs to dispose in addition comparer, digital to analog converter or amplifier etc. in great majority are used.Therefore also be subject to the restriction of encapsulation volume and accuracy, limited its application in the high-end electronic product of microminiaturization.Development along with integrated technique, semiconductor integrated temperature liquid level sensor is integrated in the element in the auxiliary circuit and sensing element on the chip piece simultaneously, have cheap, simplicity of design, measure accurately, the advantage such as highly integrated is widely used in fields such as computing machine, telecommunications, Industry Control.Simultaneously, can effectively save the space and reduce cost.But the output problem of the some liquid level sensors of realization that present liquid level sensor chip can only be single, physical quantity information and the output that can not realize simultaneously measuring simultaneously multiple different liquids potpourri.The experimental development liquid level sensor system of universities and colleges and scientific research institution that minority is arranged at present, but all be to be in development owing to adopt a plurality of chip system integrated levels lower in the R﹠D process, less stable, the transmission of data error is larger.At present, also do not have a kind of physical quantity that can measure simultaneously the different liquids potpourri carry out after the computing and according to different customer demands with data message with current signal, the form of voltage signal and communications protocol is transmitted; Have simultaneously the integrated level height, stability is high, and the transmission of data is accurate, and is cheap, can effectively save the space simultaneously, reduce cost, be applicable to chemical industry, water conservancy, heating power, oil, petrochemical industry, in each industrial circle such as traffic, can be to the integrated chip of equipment and instrument Real-Time Monitoring and remote monitoring.
Summary of the invention
The purpose of this utility model provides a kind of liquid level sensor system chip, the physical quantity that this structure can be measured the physical quantity information of single liquid or measure simultaneously the different liquids potpourri carry out after the computing and according to different customer demands with data message with current signal, the form of voltage signal and communications protocol is transmitted; Have simultaneously the integrated level height, stability is high, and the transmission of data is accurate, and is cheap, can effectively save the space simultaneously, reduce the function of cost, be applicable to chemical industry, water conservancy, heating power, oil, petrochemical industry, in each industrial circle such as traffic, can be to the function of equipment and instrument Real-Time Monitoring and remote monitoring.
According to the utility model first aspect, a kind of liquid level sensor system chip is to be made of substrate, and chips welding is on substrate, be provided with a plurality of pins at chip, it is characterized in that: the pin of described chip is connected with liquid level sensor more than 1 by the substrate pin; Be provided with reference data module, power module, amplification module able to programme, analog-to-digital conversion module, data processing module, communication module, input/output module, adjustable clock module and communication bus interface at chip, connect by electric connection mode between each functional module.
A kind of liquid level sensor system chip, wherein, the annexation of each functional module of described chip internal is: amplification module able to programme be connected with liquid level sensor more than 1 by pin and it is amplified after be transferred to carry out the simulating signal input in the analog-to-digital conversion module and switch after with analog signal transmission to data processing module, the reference data module provides a stable voltage signal to realize the stable of signal to analog-to-digital conversion module simultaneously; Process to data processing module through the stable digital data transmission after the analog to digital conversion, obtained respectively different physical quantities information, realize collection and the conversion of each physical quantity, physical quantity information after the processing is transferred to and carries out communication in the communication module and transmit by communication bus, and power module provides required power supply for each functional module; The adjustable clock module is respectively at connecting analog-to-digital conversion module, and signal processing module is connected with communication module; Wherein, the adjustable clock module is respectively the frequency that analog-to-digital conversion module provides the analog to digital conversion sampling, for data processing module provides the operating rate of data processing module, for communication module provides communication speed; One end of input/output module is connected with data processing module, realizes true-time operation and the demonstration of data.
A kind of liquid level sensor system chip, wherein, described data processing module comprises 3 sub-systems, is respectively storage system, control system and disposal system;
Wherein,
Described storage system: be used for storing the required different working procedures of different liquid level sensors;
Described control system: be used for the switching sequence of control channel switching and the enlargement factor of amplification module able to programme;
Described disposal system: be used for digital signal is reduced into various physical quantitys.
A kind of liquid level sensor system chip, wherein, described communication module comprises 2 sub-systems, is respectively emission coefficient and receiving system;
Wherein,
Described receiving system is used for receiving the order of other module and/or system's emission;
The different physical quantities information that described emission coefficient is used for collecting is transmitted with the agreement of agreement.
A kind of liquid level sensor system chip, wherein, described communication bus interface comprises 2 sub-systems, is respectively bus driver system and systems for providing electrostatic discharge protection.
A kind of liquid level sensor system chip, wherein, described communication bus interface is output current signal, voltage signal and communications protocol simultaneously.
A kind of liquid level sensor system chip, wherein, what the mode that described integrated chip is connected with described single liquid level sensor can be in constant voltage method, the constant current method is a kind of.
A kind of liquid level sensor system chip wherein, can contain Huygens's circuit and is connected with the pin of chip by the resistance in this circuit in the described liquid level sensor.
A kind of liquid level sensor system chip, wherein, described adjustable clock module interface channel handover module, for channel module provides adjustable time-switching, its time regulatable scope is 10 μ s-10s;
Described adjustable clock module connects analog-to-digital conversion module, is the frequency that analog-to-digital conversion module provides analog to digital conversion to take a sample, and its sampling frequency time range is 0.1kHz-100kHz;
Described adjustable clock module connects signal processing module, and for data processing module provides the operating rate of data processing module, its operating rate time range is 1MHz-100MHz;
Described adjustable clock module connecting communication module, for communication module provides communication speed, its communication speed scope is 300bps-1Mbps.
A kind of liquid level sensor system chip, wherein, this System on Chip/SoC realizes measuring simultaneously the liquid level physical quantity information of plurality of liquid potpourri; Single liquid liquid level physical quantity information; The degree of physical amount information of the liquid level physical quantity information of liquid and solid mixture and solid.
Compared with prior art have the following advantages, this structure can measure simultaneously the physical quantity information of a plurality of single liquids or measure simultaneously the physical quantity information of different liquids potpourri or the degree of physical amount information of the liquid level physical quantity information of liquid and solid mixture and solid is carried out after the computing and according to different customer demands with data message with current signal, the form of voltage signal and communications protocol is transmitted; Have simultaneously the integrated level height, stability is high, and the transmission of data is accurate, and is cheap, can effectively save the space simultaneously, reduce the function of cost, be applicable to chemical industry, water conservancy, heating power, oil, petrochemical industry, in each industrial circle such as traffic, can be to the function of equipment and instrument Real-Time Monitoring and remote monitoring.
Description of drawings
Fig. 1 is the integral module synoptic diagram of a kind of liquid level sensor system chip of the utility model;
Fig. 2 is the module diagram of data processing module in a kind of liquid level sensor system chip of the utility model;
Fig. 3 is the module diagram of communication module in a kind of liquid level sensor system chip of the utility model;
Fig. 4 is the module diagram of communication bus interface in a kind of liquid level sensor system chip of the utility model.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is elaborated, should be appreciated that following illustrated preferred embodiment only is used for description and interpretation the utility model, and be not used in restriction the utility model.
Embodiment 1, and Fig. 1 has shown the integral module synoptic diagram of liquid level sensor system chip of the present utility model;
As shown in Figure 1: a kind of liquid level sensor system chip is to be made of substrate, and chips welding is provided with 20 pins at chip on substrate, it is characterized in that: 6 pins of described chip are connected with 3 liquid level sensors by the substrate pin; Be provided with reference data module, power module, amplification module able to programme, analog-to-digital conversion module, data processing module, communication module, input/output module, adjustable clock module and communication bus interface at chip, connect by electric connection mode between each functional module.
As shown in Figure 1: a kind of liquid level sensor system chip, to be consisted of by substrate, chips welding is on substrate, be provided with 20 pins at chip, it is characterized in that: 6 pins of described chip are by substrate pin and liquid level sensor 1, liquid level sensor 2, liquid level sensor 3 connects, wherein liquid level sensor 1 is used for measuring the physical parameter of crude oil, liquid level sensor 2 is used for measuring the physical parameter of water level, liquid level sensor 3 is used for measuring the physical parameter of soil property, amplification module able to programme on chip be connected with 3 liquid level sensors by 6 pins and it is amplified after be transferred to carry out the simulating signal input in the analog-to-digital conversion module and switch after with analog signal transmission to data processing module, the reference data module provides a stable voltage signal to realize the stable of signal to analog-to-digital conversion module simultaneously; Process to data processing module through the stable digital data transmission after the analog to digital conversion, obtained respectively crude oil, 3 groups of different physical quantities information of water level and soil property, realize collection and the conversion of 3 groups of physical quantitys, 3 groups of physical quantity informations after the processing are transferred to and carry out communication in the communication module and transmit by communication bus, and power module provides required power supply for each functional module; The adjustable clock module is respectively at connecting analog-to-digital conversion module, and signal processing module is connected with communication module; Wherein, the adjustable clock module is respectively the frequency that analog-to-digital conversion module provides the analog to digital conversion sampling, for data processing module provides the operating rate of data processing module, for communication module provides communication speed; One end of input/output module is connected with data processing module, realizes true-time operation and the demonstration of data.
In the specific embodiment, power module provides required power supply for each functional module.
In the specific embodiment, 2 pins in the chip are connected with liquid level sensor 1.
In the specific embodiment, 2 pins in the chip are connected with liquid level sensor 2.
In the specific embodiment, 2 pins in the chip are connected with liquid level sensor 3.
In the specific embodiment, on the chip: have 1 pin to be connected with an end of reference data module, one end of 2 pins is connected with an end of power module, and 2 pins are connected with an end of data processing module, and 6 pins are connected with an end of communication bus interface.
In the specific embodiment, on the chip, input/output module has 2 pins to be connected with input-output device; Wherein, the other end of these 2 pins is connected with control module in the data processing module, is used for input keyboard information and output display unit information, is convenient to crude oil, the monitoring of water level and 3 groups of different physical quantities information of soil property.
As shown in Figure 2: a kind of liquid level sensor system chip, described data processing module comprises 3 sub-systems, is respectively storage system, control system and disposal system; Wherein,
Described storage system: be used for storage liquid level sensor 1, liquid level sensor 2,3 kinds of working procedures that liquid level sensor 3 is required;
Described control system: be used for the switching sequence of control channel switching and the enlargement factor of amplification module able to programme;
Described disposal system: be used for digital signal being reduced into crude oil, 3 groups of different physical quantities information of water level and soil property.
As shown in Figure 3: a kind of liquid level sensor system chip, described communication module comprises 2 sub-systems, is respectively emission coefficient and receiving system; Wherein,
Described receiving system is used for receiving the order of other module and system's emission;
Described emission coefficient is used for the crude oil that collects, and 3 groups of different physical quantities information of water level and soil property are transmitted with the agreement of agreement.
As shown in Figure 4: a kind of liquid level sensor system chip, described communication bus interface comprises 2 sub-systems, is respectively bus driver system and systems for providing electrostatic discharge protection; Wherein,
Described bus driver system is used for strengthening communication distance;
Described systems for providing electrostatic discharge protection has increased the impact resistance of chip, has improved electric property and the reliability of chip.
In the specific embodiment, described communication bus interface is output current signal, voltage signal and communications protocol simultaneously.
In the specific embodiment, the mode that described integrated chip is connected with described liquid level sensor 1 is the constant voltage method.
In the specific embodiment, the mode that described integrated chip is connected with described liquid level sensor 2 is the constant current method.
In the specific embodiment, the mode constant current method that described integrated chip is connected with described liquid level sensor 3.
In the specific embodiment, contain Huygens's circuit in the described liquid level sensor and be connected with the pin of chip by the resistance in this circuit.
In the specific embodiment, described adjustable clock module connects analog-to-digital conversion module, is the frequency that analog-to-digital conversion module provides analog to digital conversion to take a sample, and its sampling frequency time is 0.3kHz;
In the specific embodiment, described adjustable clock module connects signal processing module, and for data processing module provides the operating rate of data processing module, its operating rate time is 2.5MHz;
In the specific embodiment, described adjustable clock module connecting communication module, for communication module provides communication speed, its communication speed is 500bps.
In the specific embodiment, this System on Chip/SoC is connected with 3 sensors simultaneously, measures crude oil, 3 groups of different physical quantities information of water level and soil property.After carrying out computing with data message with current signal, the form of voltage signal and communications protocol is transmitted.
Embodiment 2, and Fig. 1 has shown the integral module synoptic diagram of liquid level sensor system chip of the present utility model;
As shown in Figure 1: a kind of liquid level sensor system chip is to be made of substrate, and chips welding is provided with 16 pins at chip on substrate, it is characterized in that: 4 pins of described chip are connected with 2 liquid level sensors by the substrate pin; Be provided with reference data module, power module, amplification module able to programme, analog-to-digital conversion module, data processing module, communication module, input/output module, adjustable clock module and communication bus interface at chip, connect by electric connection mode between each functional module.
As shown in Figure 1: a kind of liquid level sensor system chip, to be consisted of by substrate, chips welding is on substrate, be provided with 16 pins at chip, it is characterized in that: 4 pins of described chip are by substrate pin and liquid level sensor 1, liquid level sensor 2 connects, wherein liquid level sensor 1 is used for measuring the physical parameter of crude oil, liquid level sensor 2 is used for measuring the physical parameter of water level, amplification module able to programme on chip be connected with 2 liquid level sensors by 4 pins and it is amplified after be transferred to carry out the simulating signal input in the analog-to-digital conversion module and switch after with analog signal transmission to data processing module, the reference data module provides a stable voltage signal to realize the stable of signal to analog-to-digital conversion module simultaneously; Process to data processing module through the stable digital data transmission after the analog to digital conversion, obtained respectively crude oil, 2 groups of different physical quantities information of water level, realize collection and the conversion of 2 groups of physical quantitys, 2 groups of physical quantity informations after the processing are transferred to and carry out communication in the communication module and transmit by communication bus, and power module provides required power supply for each functional module; The adjustable clock module is respectively at connecting analog-to-digital conversion module, and signal processing module is connected with communication module; Wherein, the adjustable clock module is respectively the frequency that analog-to-digital conversion module provides the analog to digital conversion sampling, for data processing module provides the operating rate of data processing module, for communication module provides communication speed; One end of input/output module is connected with data processing module, realizes true-time operation and the demonstration of data.
In the specific embodiment, power module provides required power supply for each functional module.
In the specific embodiment, 2 pins in the chip are connected with liquid level sensor 1.
In the specific embodiment, 2 pins in the chip are connected with liquid level sensor 2.
In the specific embodiment, on the chip: have 1 pin to be connected with an end of reference data module, one end of 2 pins is connected with an end of power module, and 2 pins are connected with an end of data processing module, and 4 pins are connected with an end of communication bus interface.
In the specific embodiment, on the chip, input/output module has 2 pins to be connected with input-output device; Wherein, the other end of these 2 pins is connected with control module in the data processing module, is used for input keyboard information and output display unit information, is convenient to crude oil, the monitoring of 2 groups of different physical quantities information of water level.
As shown in Figure 2: a kind of liquid level sensor system chip, described data processing module comprises 3 sub-systems, is respectively storage system, control system and disposal system; Wherein,
Described storage system: be used for 2 kinds of required working procedures of storage liquid level sensor 1, liquid level sensor 2;
Described control system: be used for the switching sequence of control channel switching and the enlargement factor of amplification module able to programme;
Described disposal system: be used for digital signal being reduced into crude oil, 2 groups of different physical quantities information of water level.
As shown in Figure 3: a kind of liquid level sensor system chip, described communication module comprises 2 sub-systems, is respectively emission coefficient and receiving system; Wherein,
Described receiving system is used for receiving the order of other module and system's emission;
Described emission coefficient is used for the crude oil that collects, and 2 groups of different physical quantities information of water level are transmitted with the agreement of agreement.
As shown in Figure 4: a kind of liquid level sensor system chip, described communication bus interface comprises 2 sub-systems, is respectively bus driver system and systems for providing electrostatic discharge protection; Wherein,
Described bus driver system is used for strengthening communication distance;
Described systems for providing electrostatic discharge protection has increased the impact resistance of chip, has improved electric property and the reliability of chip.
In the specific embodiment, described communication bus interface is output voltage signal and communications protocol simultaneously.
In the specific embodiment, the mode that described integrated chip is connected with described liquid level sensor 1 is the constant voltage method.
In the specific embodiment, the mode that described integrated chip is connected with described liquid level sensor 2 is the constant current method.
In the specific embodiment, contain Huygens's circuit in the described liquid level sensor and be connected with the pin of chip by the resistance in this circuit.
In the specific embodiment, described adjustable clock module connects analog-to-digital conversion module, is the frequency that analog-to-digital conversion module provides analog to digital conversion to take a sample, and its sampling frequency time is 20kHz;
In the specific embodiment, described adjustable clock module connects signal processing module, and for data processing module provides the operating rate of data processing module, its operating rate time is 8MHz;
In the specific embodiment, described adjustable clock module connecting communication module, for communication module provides communication speed, its communication speed is 1500bps.
In the specific embodiment, this System on Chip/SoC is connected with 2 sensors simultaneously, measures crude oil, and 2 groups of different physical quantities information of water level are transmitted data message after carrying out computing with the form of voltage signal and communications protocol.
Embodiment 3, and Fig. 1 has shown the integral module synoptic diagram of liquid level sensor system chip of the present utility model;
As shown in Figure 1: a kind of liquid level sensor system chip is to be made of substrate, and chips welding is provided with 16 pins at chip on substrate, it is characterized in that: 4 pins of described chip are connected with 2 liquid level sensors by the substrate pin; Be provided with reference data module, power module, amplification module able to programme, analog-to-digital conversion module, data processing module, communication module, input/output module, adjustable clock module and communication bus interface at chip, connect by electric connection mode between each functional module.
As shown in Figure 1: a kind of liquid level sensor system chip, to be consisted of by substrate, chips welding is on substrate, be provided with 16 pins at chip, it is characterized in that: 4 pins of described chip are by substrate pin and liquid level sensor 1, liquid level sensor 2 connects, wherein liquid level sensor 1 is used for measuring the physical parameter of chemical liquid liquid level 1, liquid level sensor 2 is used for measuring the physical parameter of chemical liquid liquid level 2, amplification module able to programme on chip be connected with 2 liquid level sensors by 4 pins and it is amplified after be transferred to carry out the simulating signal input in the analog-to-digital conversion module and switch after with analog signal transmission to data processing module, the reference data module provides a stable voltage signal to realize the stable of signal to analog-to-digital conversion module simultaneously; Process to data processing module through the stable digital data transmission after the analog to digital conversion, obtained respectively chemical liquid liquid level 1, two groups of physical quantity informations of chemical liquid liquid level 2, realize collection and the conversion of 2 groups of physical quantitys, two groups of physical quantity informations after the processing are transferred to and carry out communication in the communication module and transmit by communication bus, and power module provides required power supply for each functional module; The adjustable clock module is respectively at connecting analog-to-digital conversion module, and signal processing module is connected with communication module; Wherein, the adjustable clock module is respectively the frequency that analog-to-digital conversion module provides the analog to digital conversion sampling, for data processing module provides the operating rate of data processing module, for communication module provides communication speed; One end of input/output module is connected with data processing module, realizes true-time operation and the demonstration of data.
In the specific embodiment, power module provides required power supply for each functional module.
In the specific embodiment, 2 pins in the chip are connected with liquid level sensor 1.
In the specific embodiment, 2 pins in the chip are connected with liquid level sensor 2.
In the specific embodiment, on the chip: have 1 pin to be connected with an end of reference data module, one end of 2 pins is connected with an end of power module, and 2 pins are connected with an end of data processing module, and 4 pins are connected with an end of communication bus interface.
In the specific embodiment, on the chip, input/output module has 2 pins to be connected with input-output device; Wherein, the other end of these 2 pins is connected with control module in the data processing module, is used for input keyboard information and output display unit information, is convenient to chemical liquid liquid level 1, the monitorings of 2 liang of groups of chemical liquid liquid level physical quantity information.
As shown in Figure 2: a kind of liquid level sensor system chip, described data processing module comprises 3 sub-systems, is respectively storage system, control system and disposal system; Wherein,
Described storage system: be used for the required working procedure of storage liquid level sensor 1, liquid level sensor 2;
Described control system: be used for the switching sequence of control channel switching and the enlargement factor of amplification module able to programme;
Described disposal system: be used for digital signal is reduced into chemical liquid liquid level 12 liang of groups of chemical liquid liquid level physical quantity information.
As shown in Figure 3: a kind of liquid level sensor system chip, described communication module comprises 2 sub-systems, is respectively emission coefficient and receiving system; Wherein,
Described receiving system is used for receiving the order of other module and system's emission;
Described emission coefficient is used for the chemical liquid liquid level 1 that collects, and 2 liang of groups of chemical liquid liquid level physical quantity information transmits with the agreement of agreement.
As shown in Figure 4: a kind of liquid level sensor system chip, described communication bus interface comprises 2 sub-systems, is respectively bus driver system and systems for providing electrostatic discharge protection; Wherein,
Described bus driver system is used for strengthening communication distance;
Described systems for providing electrostatic discharge protection has increased the impact resistance of chip, has improved electric property and the reliability of chip.
In the specific embodiment, described communication bus interface is output voltage signal and communications protocol simultaneously.
In the specific embodiment, the mode that described integrated chip is connected with described liquid level sensor 1 is the constant voltage method.
In the specific embodiment, the mode that described integrated chip is connected with described liquid level sensor 2 is the constant voltage method.
In the specific embodiment, contain Huygens's circuit in the described liquid level sensor and be connected with the pin of chip by the resistance in this circuit.
In the specific embodiment, described adjustable clock module connects analog-to-digital conversion module, is the frequency that analog-to-digital conversion module provides analog to digital conversion to take a sample, and its sampling frequency time is 22kHz;
In the specific embodiment, described adjustable clock module connects signal processing module, and for data processing module provides the operating rate of data processing module, its operating rate time is 36MHz;
In the specific embodiment, described adjustable clock module connecting communication module, for communication module provides communication speed, its communication speed is 850bps.
In the specific embodiment, this System on Chip/SoC is connected with 2 sensors simultaneously, measures chemical liquid liquid level 1, and 2 liang of groups of chemical liquid liquid level physical quantity information transmits data message after carrying out computing with the form of voltage signal and communications protocol.
In sum, compared with prior art have the following advantages, this structure can measure simultaneously the physical quantity information of a plurality of single liquids or measure simultaneously the physical quantity information of different liquids potpourri or the degree of physical amount information of the liquid level physical quantity information of liquid and solid mixture and solid is carried out after the computing and according to different customer demands with data message with current signal, the form of voltage signal and communications protocol is transmitted; Have simultaneously the integrated level height, stability is high, and the transmission of data is accurate, and is cheap, can effectively save the space simultaneously, reduce the function of cost, be applicable to electric power, water conservancy, heating power, oil, petrochemical industry, in each industrial circle such as traffic, can be to the function of equipment and instrument Real-Time Monitoring and remote monitoring.
Although above the utility model is had been described in detail, the utility model is not limited to this, and those skilled in the art of the present technique can carry out various modifications according to principle of the present utility model.Therefore, all modifications of doing according to the utility model principle all should be understood to fall into protection domain of the present utility model.
Claims (8)
1. a liquid level sensor system chip is to be made of substrate, and chips welding is provided with a plurality of pins at chip on substrate, it is characterized in that: the pin of described chip is connected with liquid level sensor more than 1 by the substrate pin; Be provided with reference data module, power module, amplification module able to programme, analog-to-digital conversion module, data processing module, communication module, input/output module, adjustable clock module and communication bus interface at chip, connect by electric connection mode between each functional module.
2. a kind of liquid level sensor system chip according to claim 1, it is characterized in that, the annexation of each functional module of described chip internal is: amplification module able to programme be connected with liquid level sensor more than 1 by pin and it is amplified after be transferred to carry out the simulating signal input in the analog-to-digital conversion module and switch after with analog signal transmission to data processing module, the reference data module provides a stable voltage signal to realize the stable of signal to analog-to-digital conversion module simultaneously; Process to data processing module through the stable digital data transmission after the analog to digital conversion, obtained respectively different physical quantities information, realize collection and the conversion of each physical quantity, physical quantity information after the processing is transferred to and carries out communication in the communication module and transmit by communication bus, and power module provides required power supply for each functional module; The adjustable clock module is respectively at connecting analog-to-digital conversion module, and signal processing module is connected with communication module; Wherein, the adjustable clock module is respectively the frequency that analog-to-digital conversion module provides the analog to digital conversion sampling, for data processing module provides the operating rate of data processing module, for communication module provides communication speed; One end of input/output module is connected with data processing module, realizes true-time operation and the demonstration of data.
3. a kind of liquid level sensor system chip according to claim 1 and 2, it is characterized in that: described data processing module comprises 3 sub-systems, is respectively storage system, control system and disposal system; Wherein,
Described storage system: be used for storing the required different working procedures of different liquid level sensors;
Described control system: be used for the switching sequence of control channel switching and the enlargement factor of amplification module able to programme;
Described disposal system: be used for digital signal is reduced into various physical quantitys.
4. a kind of liquid level sensor system chip according to claim 1 and 2, it is characterized in that: described communication module comprises 2 sub-systems, is respectively emission coefficient and receiving system; Wherein,
Described receiving system is used for receiving the order of other module and/or system's emission;
The different physical quantities information that described emission coefficient is used for collecting is transmitted with the agreement of agreement.
5. a kind of liquid level sensor system chip according to claim 1 and 2, it is characterized in that: described communication bus interface comprises 2 sub-systems, is respectively bus driver system and systems for providing electrostatic discharge protection.
6. according to claim 1,2 or 5 described a kind of liquid level sensor system chips, it is characterized in that: described communication bus interface is output current signal, voltage signal and communications protocol simultaneously.
7. a kind of liquid level sensor system chip according to claim 1 and 2 is characterized in that: can contain Huygens's circuit in the described liquid level sensor and be connected with the pin of chip by the resistance in this circuit.
8. a kind of liquid level sensor system chip according to claim 1 and 2 is characterized in that:
Described adjustable clock module interface channel handover module, for channel module provides adjustable time-switching, its time regulatable scope is 10 μ s-10s;
Described adjustable clock module connects analog-to-digital conversion module, is the frequency that analog-to-digital conversion module provides analog to digital conversion to take a sample, and its sampling frequency time range is 0.1kHz-100kHz;
Described adjustable clock module connects signal processing module, and for data processing module provides the operating rate of data processing module, its operating rate time range is 1MHz-100MHz;
Described adjustable clock module connecting communication module, for communication module provides communication speed, its communication speed scope is 300bps-1Mbps.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222850A (en) * | 2015-10-18 | 2016-01-06 | 内蒙古科技大学 | Based on the liquid level non-contact measurement system of LabVIEW |
| CN107966187A (en) * | 2017-11-22 | 2018-04-27 | 广州奥格智能科技有限公司 | A kind of tank gage super low-power consumption process circuit and its energy-saving detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222850A (en) * | 2015-10-18 | 2016-01-06 | 内蒙古科技大学 | Based on the liquid level non-contact measurement system of LabVIEW |
| CN107966187A (en) * | 2017-11-22 | 2018-04-27 | 广州奥格智能科技有限公司 | A kind of tank gage super low-power consumption process circuit and its energy-saving detection method |
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