CN103528708A - Single-bus temperature acquisition system integrated chip - Google Patents
Single-bus temperature acquisition system integrated chip Download PDFInfo
- Publication number
- CN103528708A CN103528708A CN201210226066.3A CN201210226066A CN103528708A CN 103528708 A CN103528708 A CN 103528708A CN 201210226066 A CN201210226066 A CN 201210226066A CN 103528708 A CN103528708 A CN 103528708A
- Authority
- CN
- China
- Prior art keywords
- module
- resistance
- temperature
- chip
- physical quantity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a single-bus temperature acquisition system integrated chip, and relates to a semiconductor integrated circuit. The single-bus temperature acquisition system integrated chip is composed of a substrate on which a chip is welded. The chip is provided with a plurality of pins. The single-bus temperature acquisition system integrated chip is characterized in that: partial pins of the chip are connected with more than one temperature sensor through a substrate pin; the chip is provided with a constant-current driving module, a power module, a channel switching module, an analog-to-digital conversion module, a decision output module, an output indicating module, a rough measurement output module, an accurate measurement output module, a single data bus, an adjustable clock module and a control mode module; and the functional modules are connected in an electrical connecting manner. Physical quantity information of a plurality of different temperature sensors can be measured simultaneously. After performing rough measurement calculation or accurate measurement calculation on a plurality of pieces of physical quantity information, the data information is transmitted according to different client requirements. The single-bus temperature acquisition system integrated chip has the following functions: cost reduction, simple wiring, capability of realizing long-distance communication, and ultralow power consumption.
Description
Technical field
The present invention relates to a kind of SIC (semiconductor integrated circuit), a kind ofly specifically different temperatures physical parameter can be carried out to data acquisition by a system integrated chip, a kind of unibus temperature acquisition system integrated chip of processing and transmitting simultaneously.
Background technology
Traditional temperature sensor has a lot of limitation, and analog signal output can only be provided, and output terminal all needs to configure in addition comparer, digital to analog converter or amplifier etc. in great majority application.Therefore be also subject to the restriction of encapsulation volume and accuracy, limited its application in the high-end electronic product of microminiaturization.Along with the development of integrated technique, semiconductor integrated temperature sensor is integrated in the element in auxiliary circuit on chip piece, has cheap, simplicity of design, measure the advantages such as accurate, highly integrated, in fields such as computing machine, telecommunications, Industry Control, be widely used.Can effectively save space reduces costs simultaneously.In recent years, integrated sensor is when average price declines to some extent, sales rate is but with the speed sustainable growth of 17%-18%, and total sales revenue reaches 600,000,000 dollars, so the key issue of the design of semiconductor transducer and integrated chip technology has become the research emphasis of each high-tech enterprise.But the output problem that realizes some temperature sensor physical quantity informations that current temperature sensor chip can only be single can not realize measurement and the output of the many groups physical quantity that can simultaneously measure a plurality of temperature sensors simultaneously.There is at present the experimental development of school and scientific research institution of minority can measure multi-parameter sensing system, but be all to adopt a plurality of chip system integrated levels lower in development in due to R&D process, less stable, transmission data error is larger.At present, also there is no a kind of physical quantity information that can simultaneously measure a plurality of different temperatures sensors, and a plurality of physical quantity informations are carried out to rough measure computing or accurately after operation result of measurement and according to different customer demands, data message is transmitted; Have integrated level high, stability is high simultaneously, and transmission data are accurate, cheap, can effectively save space simultaneously, reduce costs, wiring is simple, can realize long haul communication, and power consumption is extremely low, chip overall dimensions is less, is applicable to electric power, chemical industry, heating power, oil, petrochemical industry, in each industrial circle such as traffic, integrated chip that can be to equipment and instrument Real-Time Monitoring and remote monitoring.
Summary of the invention
The object of this invention is to provide a kind of unibus temperature acquisition system integrated chip, this structure can be measured the physical quantity information of a plurality of different temperatures sensors simultaneously, and a plurality of physical quantity informations is carried out to rough measure computing or accurately after operation result of measurement and according to different customer demands, data message is transmitted.Have integrated level high, stability is high simultaneously, and transmission data are accurate, cheap, can effectively save space simultaneously, reduces costs, and wiring is simple, can realize long haul communication, and power consumption is extremely low, and chip overall dimensions is less.Be applicable to electric power, chemical industry, heating power, oil, petrochemical industry, in each industrial circle such as traffic, function that can be to equipment and instrument Real-Time Monitoring and remote monitoring.
According to first aspect present invention, a kind of unibus temperature acquisition system integrated chip is provided, to be formed by substrate, chips welding is on substrate, on chip, be provided with a plurality of pins, it is characterized in that: the part pin of described chip is connected by the substrate pin temperature sensor above with 1; On chip, be provided with constant-current driven module, power module, channel switching module, analog-to-digital conversion module, judgement output module, output indicating module, bigness scale output module, accurate measurement output module, forms data bus, adjustable clock module and control model module, between each functional module, by electric connection mode, connect.
A temperature acquisition system integrated chip, the annexation of each functional module of wherein said chip internal is: described power module provides required power supply for constant-current driven module, constant-current driven module is connected with 1 above temperature sensor by pin; Described channel switching module by the pin temperature sensor above with 1, be connected and its simulating signal input is switched after analog signal transmission is changed and is transferred digital signal to carrying out simulating signal in analog-to-digital conversion module; Stable digital data transmission after analog to digital conversion is processed to adjudicating in output module, obtained respectively different temperatures physical quantity information, realize collection and the conversion of each temperature physical quantity information, the temperature physical quantity information after processing transfers to respectively in output indicating module, bigness scale output module, accurate measurement output module and control model module; In described output indicating module, be provided with temperature normality threshold, temperature pre-warning threshold value and temperature alarming threshold value, on output indicating module, be provided with 3 pins; Described bigness scale output module and accurate measurement output module will obtain different temperatures physical quantity information to carry out respectively bigness scale and accurate measurement and by forms data bus, different temperatures physical quantity information is exported; Described control model module is arranged resistance and is connected with the pin that alarm threshold value arranges resistance with configuration resistance, threshold value of warning respectively by 3 pins on chip; Wherein, on substrate, be provided with a switch, for controlling being connected of described configuration resistance and control model intermodule; Described adjustable clock module is respectively channel module adjustable time-switching is provided, and for described bigness scale output module and accurate measurement output module provide an operation clock, thereby has determined output speed.
A temperature acquisition system integrated chip, wherein said judgement output module comprises 3 subsystems, is respectively to receive storage system, judgement system and disposal system;
Wherein,
Described reception storage system: for receiving the temperature physical quantity information of upper level module transmission and storing, simultaneously store normal temperature threshold value, threshold value of warning and alarm threshold value;
Describedly judge system: for judging whether receive the different temperatures physical quantity information coming exceeds temperature threshold, a kind of in threshold value of warning and alarm threshold value, arranges mode of operation judgement simultaneously and transfers to disposal system to the measuring accuracy of different temperatures physical quantity information and by the information command after processing;
Described disposal system: the instruction that reception judgement system is sent transfers to measurement output module to different temperatures physical quantity information respectively, in accurate measurement output module and output indicating module.
A temperature acquisition system integrated chip, wherein said control model module comprises 2 subsystems, is respectively comparison system and resistance sampling system;
Wherein,
Described receiving system is for receiving the order of other module and/or system transmitting;
Described emission coefficient is for transmitting the different physical quantities information collecting with the agreement of agreement.
A temperature acquisition system integrated chip, wherein said control model module is arranged resistance and is connected with the pin that alarm threshold value arranges resistance with configuration resistance, threshold value of warning respectively by 3 pins on chip;
Wherein,
Described configuration resistance is used for determining that temperature physical quantity information is carry out rough measure or accurately measure;
Described early warning value arranges resistance for determining early warning temperature range, and this early warning value arranges between the setting of resistance and the temperature range of sensor and is linear corresponding relation, and its early warning arranges the Standard resistance range of resistance at 0-100k Ω;
Described alarm threshold value arranges resistance for determining alarm temperature scope, and this alarming value arranges between the setting of resistance and the temperature range of sensor and is linear corresponding relation, and its warning arranges the Standard resistance range of resistance at 1-101k Ω;
The resistance that described alarm threshold value arranges resistance is greater than the resistance that threshold value of warning arranges resistance.
A kind of unibus temperature acquisition system integrated chip, wherein saidly on substrate, be provided with a switch, one end of this switch connects this pin of chip, the other end is connected with a resistance to earth, by the closure state of switch, realizes the switching that temperature physical quantity information is carried out rough measure or accurately measured.
A temperature acquisition system integrated chip, wherein said output indicating module is provided with 3 pins, and normally whether indication, early warning indication and tri-colour LED, the hummer of the indication of reporting to the police are connected with representation temperature physical quantity information respectively.
A temperature acquisition system integrated chip, wherein the transition form of analog-to-digital conversion module is successively a kind of in comparative pattern and capacitance integral form.
A temperature acquisition system integrated 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 bigness scale output module, for bigness scale output module provides an operation clock, thereby has determined output speed, and its speed range is 1 μ s-1s;
Described adjustable clock module connects accurate measurement output module, for accurate measurement output module provides an operation clock, thereby has determined output speed, and its speed range is 1 μ s-1s.
A temperature acquisition system integrated chip wherein can have 1 above unibus temperature acquisition system chip to be connected in 1 forms data bus simultaneously.
A temperature acquisition system integrated chip, what the mode that wherein said integrated chip is connected with described single temperature sensor can be in constant voltage method, constant current method is a kind of.
A temperature acquisition system integrated chip, can contain Huygens's circuit and be connected with the pin of chip by the resistance in this circuit in wherein said temperature sensor.
Compared with prior art have the following advantages, this structure can be measured the physical quantity information of a plurality of different temperatures sensors simultaneously, and a plurality of physical quantity informations is carried out to rough measure computing or accurately after operation result of measurement and according to different customer demands, data message is transmitted.Have integrated level high, stability is high simultaneously, and transmission data are accurate, cheap, can effectively save space simultaneously, reduces costs, and wiring is simple, can realize long haul communication, and power consumption is extremely low, and chip overall dimensions is less.Be applicable to electric power, chemical industry, heating power, oil, petrochemical industry, in each industrial circle such as traffic, function that can be to equipment and instrument Real-Time Monitoring and remote monitoring.
Accompanying drawing explanation
Fig. 1 is the integral module schematic diagram of a kind of unibus temperature acquisition system of the present invention integrated chip;
Fig. 2 adjudicates the module diagram of output module in a kind of unibus temperature acquisition system of the present invention integrated chip;
Fig. 3 is the module diagram of control model module in a kind of unibus temperature acquisition system of the present invention integrated chip.
Embodiment
Below in conjunction with accompanying drawing, to a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment, only for description and interpretation the present invention, is not intended to limit the present invention.
Embodiment 1, and Fig. 1 has shown the integral module schematic diagram of multi-parameter sensing system integrated chip of the present invention;
As shown in Figure 1: a kind of unibus temperature acquisition system integrated chip, to be formed by substrate, chips welding, on substrate, is provided with 20 pins on chip, it is characterized in that: the part pin of described chip is connected with 3 temperature sensors by substrate pin; On chip, be provided with constant-current driven module, power module, channel switching module, analog-to-digital conversion module, judgement output module, output indicating module, bigness scale output module, accurate measurement output module, forms data bus, adjustable clock module and control model module, between each functional module, by electric connection mode, connect.
A temperature acquisition system integrated chip, the annexation of each functional module of wherein said chip internal is: described power module provides required power supply for constant-current driven module, and constant-current driven module is connected with 3 temperature sensors by pin; Described channel switching module by pin, be connected with 3 temperature sensors and the simulating signal input of its 3 groups of different temperatures physical quantity informations is switched after analog signal transmission is changed and is transferred digital signal to carrying out simulating signal in analog-to-digital conversion module; Stable digital data transmission after analog to digital conversion is processed to adjudicating in output module, 3 groups of different temperatures physical quantity informations have been obtained respectively, realize collection and the conversion of 3 groups of temperature physical quantity informations, the temperature physical quantity information after processing transfers to respectively in output indicating module, bigness scale output module, accurate measurement output module and control model module; In described output indicating module, be provided with temperature normality threshold, temperature pre-warning threshold value and temperature alarming threshold value, on output indicating module, be provided with 3 pins; Described bigness scale output module and accurate measurement output module will obtain different temperatures physical quantity information to carry out respectively bigness scale and accurate measurement and by forms data bus, 3 groups of different temperatures physical quantity informations is exported; Described control model module is arranged resistance and is connected with the pin that alarm threshold value arranges resistance with configuration resistance, threshold value of warning respectively by 3 pins on chip; Wherein, on substrate, be provided with a switch, for controlling being connected of described configuration resistance and control model intermodule; Described adjustable clock module is respectively channel module adjustable time-switching is provided, and for described bigness scale output module and accurate measurement output module provide an operation clock, thereby has determined output speed.
As shown in Figure 2, a kind of unibus temperature acquisition system integrated chip, wherein said judgement output module comprises 3 subsystems, is respectively to receive storage system, judgement system and disposal system;
Wherein,
Described reception storage system: for receiving the temperature physical quantity information of upper level module transmission and storing, simultaneously store normal temperature threshold value, threshold value of warning and alarm threshold value;
Describedly judge system: for judging whether receive 3 groups of different temperatures physical quantity informations that come exceeds temperature threshold, a kind of in threshold value of warning and alarm threshold value, arranges mode of operation judgement simultaneously and transfers to disposal system to the measuring accuracy of different temperatures physical quantity information and by the information command after processing;
Described disposal system: the instruction that reception judgement system is sent transfers to measurement output module to 3 groups of different temperatures physical quantity informations respectively, in accurate measurement output module and output indicating module.
As shown in Figure 3, a kind of unibus temperature acquisition system integrated chip, wherein said control model module comprises 2 subsystems, is respectively comparison system and resistance sampling system;
Wherein,
Described receiving system is for receiving the order of other module and/or system transmitting;
Described emission coefficient is for transmitting the different physical quantities information collecting with the agreement of agreement.
As shown in Figure 3, a kind of unibus temperature acquisition system integrated chip, wherein said control model module is arranged resistance and is connected with the pin that alarm threshold value arranges resistance with configuration resistance, threshold value of warning respectively by 3 pins on chip;
Wherein,
Described configuration resistance is used for determining that temperature physical quantity information is carry out rough measure or accurately measure;
Described early warning value arranges resistance for determining early warning temperature range, and this early warning value arranges between the setting of resistance and the temperature range of sensor and is linear corresponding relation.
Described alarm threshold value arranges resistance for determining alarm temperature scope, and this alarming value arranges between the setting of resistance and the temperature range of sensor and is linear corresponding relation.
The resistance that described alarm threshold value arranges resistance is greater than the resistance that threshold value of warning arranges resistance.
In specific embodiment, the resistance that its early warning arranges resistance is 500 Ω.
In specific embodiment, the resistance that its warning arranges resistance is 600 Ω.
In specific embodiment, describedly on substrate, be provided with a switch, one end of this switch connects this pin of chip, and the other end is connected with a resistance to earth, and the open mode by switch realizes accurately to be measured temperature physical quantity information.
In specific embodiment, described output indicating module is provided with 3 pins, and normally whether indication, early warning indication and the tri-colour LED of the indication of reporting to the police are connected with representation temperature physical quantity information respectively.Wherein the bright expression of green indicating lamp is normal, the bright expression early warning of yellow indicator lamp, and the bright expression of red led is reported to the police.
In specific embodiment, the transition form of described analog-to-digital conversion module is comparative pattern successively.
In specific embodiment, described adjustable clock module interface channel handover module, for channel module provides adjustable time-switching, its time regulatable is 50 μ s.
In specific embodiment, described adjustable clock module connects bigness scale output module, for bigness scale output module provides an operation clock, thereby has determined output speed, and its speed is 20 μ s.
In specific embodiment, described adjustable clock module connects accurate measurement output module, for accurate measurement output module provides an operation clock, thereby has determined output speed, and its speed is 2 μ s.
In specific embodiment, wherein there are 5 unibus temperature acquisition system chips to be connected in 1 forms data bus simultaneously.
In specific embodiment, the mode that wherein said integrated chip is connected with described single temperature sensor is constant voltage method.
In specific embodiment, in wherein said temperature sensor, contain Huygens's circuit and be connected with the pin of chip by the resistance in this circuit.
In specific embodiment, forms data bus has a pin output, and this bus is electric current annular analog signal output.
In specific embodiment, threshold value of warning arranges between the setting of resistance and the measurement temperature range of temperature sensor and is linear corresponding relation, 500 Ω resistance are set, the measurement temperature range interval of temperature sensor 1 is 0-100 degree Celsius, represent that so the threshold value of early warning temperature is at 50 degrees Celsius, if the temperature range of sensor 2 is-100 degrees Celsius to 100 degrees Celsius, early warning temperature is so 0 degree Celsius, if the temperature range of sensor 3 is-100 degrees Celsius to 0 degree Celsius, early warning temperature is so-50 degrees Celsius.
In specific embodiment, alarm threshold value arranges between the setting of resistance and the measurement temperature range of temperature sensor and is linear corresponding relation, 600 Ω resistance are set, the measurement temperature range interval of temperature sensor 1 is 0-120 degree Celsius, represent that so the threshold value of alarm temperature is at 60 degrees Celsius, if the temperature range of sensor 2 is-120 degrees Celsius to 120 degrees Celsius, alarm temperature is 0 degree Celsius so, if the temperature range of sensor 3 is-120 degrees Celsius to 0 degree Celsius, alarm temperature is-60 degrees Celsius so.
Embodiment 2, and Fig. 1 has shown the integral module schematic diagram of multi-parameter sensing system integrated chip of the present invention;
As shown in Figure 1: a kind of unibus temperature acquisition system integrated chip, to be formed by substrate, chips welding, on substrate, is provided with 16 pins on chip, it is characterized in that: the part pin of described chip is connected with 2 temperature sensors by substrate pin; On chip, be provided with constant-current driven module, power module, channel switching module, analog-to-digital conversion module, judgement output module, output indicating module, bigness scale output module, accurate measurement output module, forms data bus, adjustable clock module and control model module, between each functional module, by electric connection mode, connect.
A temperature acquisition system integrated chip, the annexation of each functional module of wherein said chip internal is: described power module provides required power supply for constant-current driven module, and constant-current driven module is connected with 2 temperature sensors by pin; Described channel switching module by pin, be connected with 2 temperature sensors and the simulating signal input of its 2 groups of different temperatures physical quantity informations is switched after analog signal transmission is changed and is transferred digital signal to carrying out simulating signal in analog-to-digital conversion module; Stable digital data transmission after analog to digital conversion is processed to adjudicating in output module, 2 groups of different temperatures physical quantity informations have been obtained respectively, realize collection and the conversion of 2 groups of temperature physical quantity informations, the temperature physical quantity information after processing transfers to respectively in output indicating module, bigness scale output module, accurate measurement output module and control model module; In described output indicating module, be provided with temperature normality threshold, temperature pre-warning threshold value and temperature alarming threshold value, on output indicating module, be provided with 3 pins; Described bigness scale output module and accurate measurement output module will obtain different temperatures physical quantity information to carry out respectively bigness scale and accurate measurement and by forms data bus, 2 groups of different temperatures physical quantity informations is exported; Described control model module is arranged resistance and is connected with the pin that alarm threshold value arranges resistance with configuration resistance, threshold value of warning respectively by 3 pins on chip; Wherein, on substrate, be provided with a switch, for controlling being connected of described configuration resistance and control model intermodule; Described adjustable clock module is respectively channel module adjustable time-switching is provided, and for described bigness scale output module and accurate measurement output module provide an operation clock, thereby has determined output speed.
As shown in Figure 2, a kind of unibus temperature acquisition system integrated chip, wherein said judgement output module comprises 3 subsystems, is respectively to receive storage system, judgement system and disposal system;
Wherein,
Described reception storage system: for receiving the temperature physical quantity information of upper level module transmission and storing, simultaneously store normal temperature threshold value, threshold value of warning and alarm threshold value;
Describedly judge system: for judging whether receive 2 groups of different temperatures physical quantity informations that come exceeds temperature threshold, a kind of in threshold value of warning and alarm threshold value, arranges mode of operation judgement simultaneously and transfers to disposal system to the measuring accuracy of different temperatures physical quantity information and by the information command after processing;
Described disposal system: the instruction that reception judgement system is sent transfers to measurement output module to 2 groups of different temperatures physical quantity informations respectively, in accurate measurement output module and output indicating module.
As shown in Figure 3, a kind of unibus temperature acquisition system integrated chip, wherein said control model module comprises 2 subsystems, is respectively comparison system and resistance sampling system;
Wherein,
Described receiving system is for receiving the order of other module and system transmitting;
Described emission coefficient is for transmitting the different physical quantities information collecting with the agreement of agreement.
As shown in Figure 3, a kind of unibus temperature acquisition system integrated chip, wherein said control model module is arranged resistance and is connected with the pin that alarm threshold value arranges resistance with configuration resistance, threshold value of warning respectively by 3 pins on chip;
Wherein,
Described configuration resistance is used for determining that temperature physical quantity information is carry out rough measure or accurately measure;
Described early warning value arranges resistance for determining early warning temperature range, and this early warning value arranges between the setting of resistance and the temperature range of sensor and is linear corresponding relation.
Described alarm threshold value arranges resistance for determining alarm temperature scope, and this alarming value arranges between the setting of resistance and the temperature range of sensor and is linear corresponding relation.
The resistance that described alarm threshold value arranges resistance is greater than the resistance that threshold value of warning arranges resistance.
In specific embodiment, the resistance that its early warning arranges resistance is 10k Ω.
In specific embodiment, the resistance that its warning arranges resistance is 12k Ω.
In specific embodiment, describedly on substrate, be provided with a switch, one end of this switch connects this pin of chip, and the other end is connected with a resistance to earth, by the closure state of switch, is realized temperature physical quantity information is carried out to rough measure.
In specific embodiment, described output indicating module is provided with 3 pins, and normally whether indication, early warning indication and the hummer of the indication of reporting to the police are connected with representation temperature physical quantity information respectively.Wherein hummer buzzing represents temperature physical quantity information normal condition for 1 time, when the continuous buzzing of hummer represents that temperature physical quantity information is alert status for 2 times, when the continuous buzzing of hummer represents that temperature physical quantity information is alarm condition for 3 times.
In specific embodiment, the transition form of described analog-to-digital conversion module is capacitance integral form.
In specific embodiment, described adjustable clock module interface channel handover module, for channel module provides adjustable time-switching, its time regulatable is 0.2s.
In specific embodiment, described adjustable clock module connects bigness scale output module, for bigness scale output module provides an operation clock, thereby has determined output speed, and its speed is 0.05s.
In specific embodiment, described adjustable clock module connects accurate measurement output module, for accurate measurement output module provides an operation clock, thereby has determined output speed, and its speed is 0.05s.
In specific embodiment, wherein there are 3 unibus temperature acquisition system chips to be connected in 1 forms data bus simultaneously.
In specific embodiment, the mode that wherein said integrated chip is connected with described single temperature sensor is constant current method.
In specific embodiment, forms data bus has a pin output, and this bus is electric current annular analog signal output.
In specific embodiment, threshold value of warning arranges between the setting of resistance and the measurement temperature range of temperature sensor and is linear corresponding relation, 10k Ω resistance is set, the measurement temperature range interval of temperature sensor 1 is 0-100 degree Celsius, represent that so the threshold value of early warning temperature is at 50 degrees Celsius, if the temperature range of sensor 2 is-100 degrees Celsius to 100 degrees Celsius, early warning temperature is so 0 degree Celsius, if the temperature range of sensor 3 is-100 degrees Celsius to 0 degree Celsius, early warning temperature is so-50 degrees Celsius.
In specific embodiment, alarm threshold value arranges between the setting of resistance and the measurement temperature range of temperature sensor and is linear corresponding relation, 12k Ω resistance is set, the measurement temperature range interval of temperature sensor 1 is 0-120 degree Celsius, represent that so the threshold value of alarm temperature is at 60 degrees Celsius, if the temperature range of sensor 2 is-120 degrees Celsius to 120 degrees Celsius, alarm temperature is 0 degree Celsius so, if the temperature range of sensor 3 is-120 degrees Celsius to 0 degree Celsius, alarm temperature is-60 degrees Celsius so.
In sum, compared with prior art have the following advantages, this structure can be measured the physical quantity information of a plurality of different temperatures sensors simultaneously, and a plurality of physical quantity informations is carried out to rough measure computing or accurately after operation result of measurement and according to different customer demands, data message is transmitted.Have integrated level high, stability is high simultaneously, and transmission data are accurate, cheap, can effectively save space simultaneously, reduces costs, and wiring is simple, can realize long haul communication, and power consumption is extremely low, and chip overall dimensions is less.Be applicable to electric power, chemical industry, heating power, oil, petrochemical industry, in each industrial circle such as traffic, function that can be to equipment and instrument Real-Time Monitoring and remote monitoring.
Although above the present invention is had been described in detail, the invention is not restricted to this, those skilled in the art of the present technique can carry out various modifications according to principle of the present invention.Therefore, all modifications of doing according to the principle of the invention, all should be understood to fall into protection scope of the present invention.
Claims (10)
1. a unibus temperature acquisition system integrated chip, is to consist of substrate, and chips welding, on substrate, is provided with a plurality of pins on chip, it is characterized in that: the part pin of described chip is connected by the substrate pin temperature sensor above with 1; On chip, be provided with constant-current driven module, power module, channel switching module, analog-to-digital conversion module, judgement output module, output indicating module, bigness scale output module, accurate measurement output module, forms data bus, adjustable clock module and control model module, between each functional module, by electric connection mode, connect; The mode that described integrated chip is connected with described single temperature sensor can be in constant voltage method, constant current method a kind of.
2. a kind of unibus temperature acquisition system integrated chip according to claim 1, it is characterized in that, the annexation of each functional module of described chip internal is: described power module provides required power supply for constant-current driven module, and constant-current driven module is connected with 1 above temperature sensor by pin; Described channel switching module is connected by the pin temperature sensor above with 1 and 1 group of its measurement above temperature physical quantity simulating signal input is switched, after analog signal transmission is changed and is transferred digital signal to carrying out simulating signal in analog-to-digital conversion module; Stable digital data transmission after analog to digital conversion is processed to adjudicating in output module, obtained respectively different temperatures physical quantity information, realize collection and the conversion of each temperature physical quantity information, the temperature physical quantity information after processing transfers to respectively in output indicating module, bigness scale output module, accurate measurement output module and control model module; In described output indicating module, be provided with temperature normality threshold, temperature pre-warning threshold value and temperature alarming threshold value, on output indicating module, be provided with 3 pins; Described bigness scale output module and accurate measurement output module will obtain different temperatures physical quantity information to carry out respectively bigness scale and accurate measurement and by forms data bus, different temperatures physical quantity information is exported; Described control model module is arranged resistance and is connected with the pin that alarm threshold value arranges resistance with configuration resistance, threshold value of warning respectively by 3 pins on chip; Wherein, on substrate, be provided with a switch, for controlling being connected of described configuration resistance and control model intermodule; Described adjustable clock module is respectively channel module adjustable time-switching is provided, and for described bigness scale output module and accurate measurement output module provide an operation clock, thereby has determined output speed; In described temperature sensor, can contain Huygens's circuit and be connected with the pin of chip by the resistance in this circuit.
3. according to a kind of unibus temperature acquisition system integrated chip described in claim 1,2, it is characterized in that: described judgement output module comprises 3 subsystems, is respectively to receive storage system, judgement system and disposal system;
Wherein,
Described reception storage system: for receiving the temperature physical quantity information of upper level module transmission and storing, simultaneously store normal temperature threshold value, threshold value of warning and alarm threshold value;
Describedly judge system: for judging whether receive the different temperatures physical quantity information coming exceeds temperature threshold, a kind of in threshold value of warning and alarm threshold value, arranges mode of operation judgement simultaneously and transfers to disposal system to the measuring accuracy of different temperatures physical quantity information and by the information command after processing;
Described disposal system: the instruction that reception judgement system is sent transfers to measurement output module to different temperatures physical quantity information respectively, in accurate measurement output module and output indicating module.
4. according to a kind of unibus temperature acquisition system integrated chip described in claim 1,2, it is characterized in that: described control model module comprises 2 subsystems, is respectively comparison system and resistance sampling system;
Wherein,
Described receiving system is for receiving the order of other module and/or system transmitting;
Described emission coefficient is for transmitting the different physical quantities information collecting with the agreement of agreement.
5. according to a kind of unibus temperature acquisition system integrated chip described in claim 1,2, it is characterized in that: can have 1 above unibus temperature acquisition system chip to be connected in 1 forms data bus simultaneously.
6. according to a kind of unibus temperature acquisition system integrated chip described in claim 1,2, it is characterized in that: described control model module is arranged resistance and is connected with the pin that alarm threshold value arranges resistance with configuration resistance, threshold value of warning respectively by 3 pins on chip;
Wherein,
Described configuration resistance is used for determining that temperature physical quantity information is carry out rough measure or accurately measure;
Described early warning value arranges resistance for determining early warning temperature range, and this early warning value arranges between the setting of resistance and the temperature range of sensor and is linear corresponding relation, and its early warning arranges the Standard resistance range of resistance at 0-100k Ω;
Described alarm threshold value arranges resistance for determining alarm temperature scope, and this alarming value arranges between the setting of resistance and the temperature range of sensor and is linear corresponding relation, and its warning arranges the Standard resistance range of resistance at 1-101k Ω;
The resistance that described alarm threshold value arranges resistance is greater than the resistance that threshold value of warning arranges resistance.
7. according to a kind of unibus temperature acquisition system integrated chip described in claim 1,2,6, it is characterized in that: describedly on substrate, be provided with a switch, one end of this switch connects this pin of chip, the other end is connected with a resistance to earth, by the closure state of switch, realizes the switching that temperature physical quantity information is carried out rough measure or accurately measured.
8. according to a kind of unibus temperature acquisition system integrated chip described in claim 1,2, it is characterized in that: described output indicating module is provided with 3 pins, and normally whether indication, early warning indication and tri-colour LED, the hummer of the indication of reporting to the police are connected with representation temperature physical quantity information respectively.
9. according to a kind of unibus temperature acquisition system integrated chip described in claim 1,2, it is characterized in that: a kind of in comparative pattern successively and capacitance integral form of the transition form of described analog-to-digital conversion module.
10. according to a kind of unibus temperature acquisition system integrated chip described in claim 1,2, it 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 bigness scale output module, for bigness scale output module provides an operation clock, thereby has determined output speed, and its speed range is 1 μ s-1s;
Described adjustable clock module connects accurate measurement output module, for accurate measurement output module provides an operation clock, thereby has determined output speed, and its speed range is 1 μ s-1s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210226066.3A CN103528708A (en) | 2012-07-03 | 2012-07-03 | Single-bus temperature acquisition system integrated chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210226066.3A CN103528708A (en) | 2012-07-03 | 2012-07-03 | Single-bus temperature acquisition system integrated chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103528708A true CN103528708A (en) | 2014-01-22 |
Family
ID=49930902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210226066.3A Pending CN103528708A (en) | 2012-07-03 | 2012-07-03 | Single-bus temperature acquisition system integrated chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103528708A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345839A (en) * | 2016-05-04 | 2017-11-14 | 浙江正泰电器股份有限公司 | The temperature collecting device of breaker |
| CN107478350A (en) * | 2017-07-31 | 2017-12-15 | 中车南京浦镇车辆有限公司 | A kind of Rolling Stock Bearing temperature checking method and digital-to-analog integrated form temperature sensor |
| CN108844644A (en) * | 2018-06-28 | 2018-11-20 | 北京新能源汽车股份有限公司 | A kind of battery temperature sampling system and automobile |
| CN109406585A (en) * | 2018-10-08 | 2019-03-01 | 重庆市方腾科技有限公司 | A kind of methane transducer of monobus signal input and output |
-
2012
- 2012-07-03 CN CN201210226066.3A patent/CN103528708A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345839A (en) * | 2016-05-04 | 2017-11-14 | 浙江正泰电器股份有限公司 | The temperature collecting device of breaker |
| CN107478350A (en) * | 2017-07-31 | 2017-12-15 | 中车南京浦镇车辆有限公司 | A kind of Rolling Stock Bearing temperature checking method and digital-to-analog integrated form temperature sensor |
| CN108844644A (en) * | 2018-06-28 | 2018-11-20 | 北京新能源汽车股份有限公司 | A kind of battery temperature sampling system and automobile |
| CN109406585A (en) * | 2018-10-08 | 2019-03-01 | 重庆市方腾科技有限公司 | A kind of methane transducer of monobus signal input and output |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103528708A (en) | Single-bus temperature acquisition system integrated chip | |
| CN104299408A (en) | Temperature monitoring device for high-voltage electrical equipment | |
| CN202994893U (en) | Transformer iron-core grounding current monitoring device | |
| CN105759220A (en) | Real time detection system for uninterrupted power source battery | |
| CN202710109U (en) | Warehouse temperature and humidity intelligent monitoring system | |
| CN204373804U (en) | Temperature polling instrument | |
| CN109581180A (en) | A kind of IGBT module parallel temperature sensing circuit | |
| CN202562648U (en) | Temperature remote real-time monitoring device | |
| CN202794894U (en) | Multi-parameter sensing system integrated chip | |
| CN112834799A (en) | Intelligent Hall current sensor chip based on Internet | |
| CN201653572U (en) | Temperature acquisition device | |
| CN103528620A (en) | Multi-parameter sensing system integrated chip | |
| CN203231805U (en) | Electronic automobile scale based on CANopen | |
| CN203231800U (en) | Intelligent analogue weighing sensor | |
| CN103837258A (en) | Temperature monitoring system | |
| CN209542771U (en) | A kind of IGBT module parallel temperature sensing circuit | |
| CN204439206U (en) | Low-consumption wireless vibration monitoring device | |
| CN204758690U (en) | Multipurpose plier table that appears | |
| CN204189300U (en) | A kind of high voltage electric equipment device for detecting temperature | |
| CN204188699U (en) | Transformer iron core grounding current on-line monitoring system | |
| CN105806506A (en) | Multi-circuit temperature measuring system | |
| CN105509809A (en) | Temperature transmitter with detection function | |
| CN105911978A (en) | Vehicle control unit detection method, device and system | |
| CN207336628U (en) | A kind of small-size voltage monitoring, alarming circuit | |
| CN101493362A (en) | Digital temperature polling instrument for power supply-distribution system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140122 |