CN207182518U - A kind of radio-frequency card calorimeter - Google Patents
A kind of radio-frequency card calorimeter Download PDFInfo
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- CN207182518U CN207182518U CN201721319733.7U CN201721319733U CN207182518U CN 207182518 U CN207182518 U CN 207182518U CN 201721319733 U CN201721319733 U CN 201721319733U CN 207182518 U CN207182518 U CN 207182518U
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Abstract
A kind of radio-frequency card calorimeter, including microprocessor, memory, acquisition module, power circuit, low pressure detection module, alarm module, RF Signal module, display screen, motor-driven valve drive module;Power input of the output end of the power circuit respectively with microprocessor, acquisition module, RF Signal module, motor-driven valve drive module is connected;The microprocessor is connected with low pressure detection module, alarm module, acquisition module, RF Signal module, display screen, motor-driven valve drive module, memory respectively.It is in a manner of area of heat-supply service is charged that the utility model, which has broken the heating of many heating enterprises, without manual measurement heating area, save manpower, for with the charge foundation that a science is provided between warm user and heating company, be advantageous to cultivate the consciousness that user saves the energy, considerable financial cost has been saved, there is self-evident benefit.
Description
Technical field
Calorimetry technical field is the utility model is related to, specifically a kind of radio-frequency card calorimeter.
Background technology
Northern China city is achieved that central heating very early, while heat cost is reduced, decreases greenhouse
The discharge of gas.But for a long time, heating is settled accounts with area of heat-supply service, many problems be present.The heat charged by area of heat-supply service
Measure charge method and how much not consistent the heat of user's actual consumption is, while causing ample resources to waste, can also use
Raise on a household basis into the bad consciousness for not saving the energy.Heat is saved, in addition to improving the national economy consciousness of itself, reliable radio frequency
Card calorimeter plays an important roll.
Radio-frequency card calorimeter can not only save manpower, can also economize on resources, and user using heat and pays confession
It is warm to take correlation, the consciousness of economizing on resources of user can be lifted, it may have considerable economic benefit.The heating of China certain areas is received
Expense is generally settled accounts with heating area, and user has heat abuse, and individual user is shorter with the warm time, uses heating area knot
The mode unreasonable charges of calculation, the wasting of resources is also result in, and the company that heats needs annual notice to pay heating expense, puts into people
Power.So essential using radio-frequency card calorimeter, it can easily understand various caloric informations, and not need excessively
Manually, low in energy consumption, cost is few, and metering method is more scientific and reasonable.
The content of the invention
The purpose of this utility model is to provide a kind of scientific measurement thermal data, low in energy consumption, has warning function, can be certainly
The dynamic radio-frequency card calorimeter for closing valve, makes that the charge of heating company is more reasonable, and more science is intelligent, for solve with warm user with
Contradiction between heating company, the problems such as with warm user's heat waste.
The technical scheme in the invention for solving the technical problem is:A kind of radio-frequency card calorimeter, it is characterized in that,
Including microprocessor, memory, acquisition module, power circuit, low pressure detection module, alarm module, RF Signal module, aobvious
Display screen, motor-driven valve drive module;The output end of the power circuit respectively with microprocessor, acquisition module, RF Signal mould
Block, the power input of motor-driven valve drive module are connected;The microprocessor respectively with low pressure detection module, alarm module, adopt
Collection module, RF Signal module, display screen, motor-driven valve drive module, memory are connected.
Further, the microprocessor includes singlechip minimum system circuit;Described memory includes storage circuit;
Described acquisition module includes temperature measuring circuit and flow measurement circuit;Described power circuit includes 5v and 3.3v power supplys electricity
Road;Described low pressure detection module includes low-voltage testing circuit;Described alarm module includes warning circuit;Described radio-frequency card
Module for reading and writing includes RF Signal circuit;Described display screen includes lcd display circuits;Described motor-driven valve drive module bag
Include valve controling circuit.
Further, described singlechip minimum system circuit includes msp430f413 chips, resistance r1, resistance r2, electricity
Hold c1, diode d1, crystal oscillator y1;No. 1 of described msp430f413 chips connects 3.3v power supplys with No. 64 pins, No. 61 with No. 62
Pin is grounded, and No. 57 pin connecting resistance r2, No. 8 meet crystal oscillator y1 with No. 9 pins;The resistance r1 be connected with diode d1 one termination
3.3v power supplys, the other end and electric capacity c1 are connected ground connection with resistance r2.
Described storage circuit includes at24c02 chips, resistance r7, resistance r8;Described resistance r7 one end and at24c02 cores
No. 6 pins of piece are connected and are connected with msp430f413 p2.0 pins, and the other end is connected with No. 8 pins of at24c02 chips
Connect 5v voltages;Described resistance r8 one end is connected 5v voltages with resistance r7 one end, No. 5 pins of the other end and at24c02 chips
It is connected and is connected with msp430f413 p2.0 pins;The at24c02 chips 1,2,3, No. 4 pins are connected simultaneously with No. 7 pins
Ground connection.
Described temperature measuring circuit includes ads1100 chips, resistance r21, resistance r22, resistance r23, resistance r24, electricity
Hinder r25, resistance pt1000;Described resistance r21 one end is connected with ads1100 chip Vin+ pins and is connected with resistance r23 one end,
The other end is connected 5v voltages with resistance r22 one end;The resistance r23 other ends ground connection;The resistance r22 other ends with
Ds1100 chip Vin- pins are connected and are connected with resistance pt1000 one end;The resistance pt1000 other ends ground connection;It is described
Ads1100 chip scl pins are connected with resistance r25 one end and connect msp430f413 chip pins p3.0, sdl pin and resistance
R24 one end, which is connected and connects msp430f413 chip pins p3.1, gnd pin, to be grounded;The resistance r24 other ends and resistance
R25 one end is connected 5v voltages.
Described flow measurement circuit includes resistance r10, resistance r17, resistance r18, resistance r20, electric capacity c13, electric capacity
c14;Described resistance r17 one end is connected 3.3v voltages with resistance r18 one end, one end with resistance r20 of the other end, electric capacity
C13 one end is connected and meets msp430f413 chip pins p1.1;The resistance r18 other ends and resistance r10, electric capacity c14
One end is connected and meets msp430f413 chip pins p1.0;The electric capacity c13 and electric capacity the c14 other end and No. 3 of flowmeter
Pin, which is connected, to be grounded;The other end of the resistance r10 is connected with No. 1 pin of flowmeter;The other end and stream of the resistance r20
No. 2 pins of gauge are connected.
Described 5v includes lp2950 chips, electric capacity c2, electric capacity c3, tps73233 chip, resistance with 3.3v power circuits
R5, resistance r6;The lp2950 chips in pins connect 6v positive sources and are connected, gnd pins and electric capacity c2 one end, electric capacity c3 mono-
End, power cathode, which are connected, to be grounded, and the in and en of out pins and the electric capacity c2 other ends, the electric capacity c3 other ends, tps73233 chips draw
Pin, which is connected, exports 5v voltages;Described resistance r6 one end is connected with the out pins of tps73233 chips and exports 3.3v voltages, another
End is connected with the fb pins of tps73233 chips, resistance r5 one end;The other end of the resistance r5 and tps73233 chips
Gnd pins, which are connected, to be grounded.
Described low-voltage testing circuit includes ht7027 chips, resistance r3, electric capacity c4;One end of the resistance r3 with
The in pins of ht7027 chips are connected and access 3.3v voltages, out pin of the other end with ht7027 chips, electric capacity c4 one end
It is connected and is connected to msp430f413 chip pins p2.2;The other end of the electric capacity c4 is connected with the gnd pins of ht7027 chips
Ground connection.
Described warning circuit includes resistance r4, triode q1, buzzer;Described resistance r4 one end and msp430f413 cores
Piece pin p2.3 is connected, and the other end is connected with triode q1 base stage;The grounded emitter of the triode q1, colelctor electrode and honeybee
One end of ring device is connected;Another termination 5v voltages of buzzer.
Described RF Signal circuit includes max3232 chips, electric capacity c5, electric capacity c6, electric capacity c7, electric capacity c8, electric capacity
C9, electric capacity c10, resistance r9, triode q2, h6152 chip;The electric capacity c6 positive poles are connected with max3232 chip c1+ pins,
Negative pole is connected with max3232 chip c1- pins;The electric capacity c7 positive poles are connected with max3232 chip c2+ pins, negative pole with
Max3232 chip c2- pins are connected;The electric capacity c8 plus earths, negative pole are connected with max3232 chip v- pins;It is described
Electric capacity c5 positive poles are connected with max3232 chip v+ pins, and negative pole is connected with electric capacity c9 one end;The electric capacity c9 other ends with
Max3232 chip gnd pins, electric capacity c10 one end are connected and are grounded;The t1out pins of the max3232 chips and h6152 cores
The rxa pins of piece are connected, and r1in pins are connected with the txa pins of h6152 chips;The other end of the electric capacity c10 and h6152 cores
The vcc pins of piece are connected and access 5v voltages;A termination 5v voltages of the resistance r9, another termination triode q2 base stage;
The grounded emitter of the triode q2, colelctor electrode are connected with the gnd pins of h6152 chips.
Described lcd display circuits include lcd12864 chips and adjustable resistance r13;The vcc pins of lcd12864 chips
It is connected with adjustable resistance r13 No. 2 pins and connects 5v voltages, the vr of adjustable resistance r13 No. 1 pin and lcd12864 chips draws
Pin is connected, and adjustable resistance r13 No. 3 pins are connected with the v0 pins of lcd12864 chips, the rs pins of lcd12864 chips with
The p3.5 pins of msp430f413 chips are connected, the rw pins of lcd12864 chips and the p3.6 pin phases of msp430f413 chips
Even, the en pins of lcd12864 chips are connected with the p3.7 pins of msp430f413 chips, the db0 pins of lcd12864 chips and
The p4.0 pins of msp430f413 chips are connected, the db1 pins of lcd12864 chips and the p4.1 pins of msp430f413 chips
It is connected, the db2 pins of lcd12864 chips are connected with the p4.2 pins of msp430f413 chips, and the db3 of lcd12864 chips draws
Pin is connected with the p4.3 pins of msp430f413 chips, the db4 pins of lcd12864 chips and the p4.4 of msp430f413 chips
Pin is connected, and the db5 pins of lcd12864 chips are connected with the p4.5 pins of msp430f413 chips, lcd12864 chips
Db6 pins are connected with the p4.6 pins of msp430f413 chips, db7 pins and the msp430f413 chips of lcd12864 chips
P4.7 pins are connected, and the led+ pins of lcd12864 chips connect 5v voltages, the led- pins ground connection of lcd12864 chips.
Described valve controling circuit includes triode q3, triode q4, triode q5, triode q6, triode q7, three
Pole pipe q8, diode d2, diode d3, diode d4, resistance r11, resistance r12, resistance r15, resistance r16, electric capacity c12, electricity
Magnet valve Motor;The upper end of the resistance r11 is connected with triode q6 base stage, and lower end is connected with triode q3 colelctor electrode;Institute
The base stage for stating triode q3 is connected with msp430f413 chip pins p1.6, and emitter stage is connected with triode q5 base stage;It is described
Resistance r15 one end is connected with triode q5 emitter stage, triode q8 emitter stage, other end ground connection;The magnetic valve
Motor No. 1 pin is connected with triode q5 colelctor electrode, and No. 2 pins are connected with triode q8 colelctor electrode;The triode
Q4 colelctor electrode and diode d3 one end, electric capacity c12 one end, magnetic valve Motor No. 1 pin are connected and access triode
Q5 colelctor electrode, triode q4 emitter stage are connected with triode q6 emitter stage and connect 3.3v voltages, triode q4 base stage
Connecting resistance r12 one end;The colelctor electrode of the triode q6 and diode d4 one end, electric capacity c12 one end, magnetic valve
Motor No. 2 pins are connected and access triode q8 colelctor electrode;The other end of the diode d4 and diode d3 one end
It is connected to resistance r16 one end;Another terminating diode d2 of resistance r16 one end;The diode d2's is another
End ground connection;Triode q7 base stage is connected with msp430f413 chip pins p1.7, and emitter stage is connected with triode q8 base stage.
The beneficial effects of the utility model are:
The utility model can realize the calorimetry of science, can check thermal data and carry out data preservation, have report
Alert function.When the utility model is run, as long as detecting thermal data, system will store waterlevel data, if calorimeter is electric
Amount deficiency can preserve data and valve-closing sends alarm, remaining in calorimeter also to send alarm signal when purchasing shortage of heat in advance
Number.
The utility model uses msp430 single-chip microcomputers, super low-power consumption, there is five kinds of battery saving modes, 16 reduced instruction sets,
Lcd driver is integrated with, LCD display can be directly connected to and do not need external drive, cost and power consumption can be reduced, in data
Use electricity very little in the case of holding, usage time is more permanent.
The LCD display that the utility model uses can use householder is dynamic to check caloric information, facilitate user to pay heating
Expense.
The memory that the utility model uses can store data more than 40 years, preserve data more permanent.
Brief description of the drawings
Fig. 1 is structure connection figure of the present utility model.
Fig. 2 is the utility model singlechip minimum system circuit figure.
Fig. 3 is the utility model storage circuit figure.
Fig. 4 is the utility model temperature measuring circuit figure.
Fig. 5 is the utility model flow measurement circuit figure.
Fig. 6 is the utility model 5v and 3.3v power circuit diagrams.
Fig. 7 is the utility model low-voltage testing circuit figure.
Fig. 8 is the utility model warning circuit figure.
Fig. 9 is the utility model RF Signal circuit diagram.
Figure 10 is the utility model lcd display circuit figures.
Figure 11 is the utility model valve electric operation control circuit figure.
Embodiment
As shown in figure 1, a kind of radio-frequency card calorimeter, it is characterized in that, including microprocessor, memory, acquisition module, power supply
Circuit, low pressure detection module, alarm module, RF Signal module, display screen, motor-driven valve drive module;The power circuit
Output end respectively with microprocessor, acquisition module, RF Signal module, the power input phase of motor-driven valve drive module
Even;The microprocessor respectively with low pressure detection module, alarm module, acquisition module, RF Signal module, display screen, electricity
Dynamic valve drive module, memory are connected.
Microprocessor includes singlechip minimum system circuit;Memory includes storage circuit;Acquisition module is surveyed including temperature
Measure circuit and flow measurement circuit;Power circuit includes 5v and 3.3v power circuits;Low pressure detection module includes low pressure detection electricity
Road;Alarm module includes warning circuit;RF Signal module includes RF Signal circuit;Display screen includes lcd display electricity
Road;Motor-driven valve drive module includes valve controling circuit.
As shown in Fig. 2 singlechip minimum system circuit include msp430f413 chips, resistance r1, resistance r2, electric capacity c1,
Diode d1, crystal oscillator y1;No. 1 of described msp430f413 chips connects 3.3v power supplys, No. 61 and No. 62 pins with No. 64 pins
Ground connection, No. 57 pin connecting resistance r2, No. 8 meet crystal oscillator y1 with No. 9 pins;The resistance r1 be connected with diode d1 one termination 3.3v
Power supply, the other end and electric capacity c1 are connected ground connection with resistance r2.
As shown in figure 3, storage circuit includes at24c02 chips, resistance r7, resistance r8;Described resistance r7 one end with
No. 6 pins of at24c02 chips are connected and be connecteds with msp430f413 p2.0 pins, No. 8 of the other end and at24c02 chips
Pin is connected 5v voltages;Described resistance r8 one end is connected 5v voltages with resistance r7 one end, the other end and at24c02 chips
No. 5 pins are connected and are connected with msp430f413 p2.0 pins;The at24c02 chips 1,2,3, No. 4 pins and No. 7 pins
It is connected and is grounded.
As shown in figure 4, temperature measuring circuit includes ads1100 chips, resistance r21, resistance r22, resistance r23, resistance
R24, resistance r25, resistance pt1000;Described resistance r21 one end be connected with ads1100 chip Vin+ pins and with resistance r23 mono-
End is connected, and the other end is connected 5v voltages with resistance r22 one end;The resistance r23 other ends ground connection;The resistance r22 is another
End is connected with ds1100 chip Vin- pins and is connected with resistance pt1000 one end;The resistance pt1000 other ends ground connection;Institute
State ads1100 chip scl pins be connected with resistance r25 one end and connect msp430f413 chip pins p3.0, sdl pin with electricity
Resistance r24 one end, which is connected and connects msp430f413 chip pins p3.1, gnd pin, to be grounded;The resistance r24 other ends and resistance
R25 one end is connected 5v voltages.
As shown in figure 5, flow measurement circuit includes resistance r10, resistance r17, resistance r18, resistance r20, electric capacity c13, electricity
Hold c14;Described resistance r17 one end is connected 3.3v voltages with resistance r18 one end, one end with resistance r20 of the other end, electric capacity
C13 one end is connected and meets msp430f413 chip pins p1.1;The resistance r18 other ends and resistance r10, electric capacity c14
One end is connected and meets msp430f413 chip pins p1.0;The electric capacity c13 and electric capacity the c14 other end and No. 3 of flowmeter
Pin, which is connected, to be grounded;The other end of the resistance r10 is connected with No. 1 pin of flowmeter;The other end and stream of the resistance r20
No. 2 pins of gauge are connected.
As shown in fig. 6,5v and 3.3v power circuits include lp2950 chips, electric capacity c2, electric capacity c3, tps73233 chip,
Resistance r5, resistance r6;The lp2950 chips in pins connect 6v positive sources and are connected, gnd pins and electric capacity c2 one end, electric capacity c3
One end, power cathode, which are connected, to be grounded, out pins and the electric capacity c2 other ends, the electric capacity c3 other ends, the in and en of tps73233 chips
Pin, which is connected, exports 5v voltages;Described resistance r6 one end is connected with the out pins of tps73233 chips and exports 3.3v voltages, separately
One end is connected with the fb pins of tps73233 chips, resistance r5 one end;The other end of the resistance r5 and tps73233 chips
Gnd pins be connected ground connection.
As shown in fig. 7, low-voltage testing circuit includes ht7027 chips, resistance r3, electric capacity c4;One end of the resistance r3 with
The in pins of ht7027 chips are connected and access 3.3v voltages, out pin of the other end with ht7027 chips, electric capacity c4 one end
It is connected and is connected to msp430f413 chip pins p2.2;The other end of the electric capacity c4 is connected with the gnd pins of ht7027 chips
Ground connection.
As shown in figure 8, warning circuit includes resistance r4, triode q1, buzzer;Described resistance r4 one end with
Msp430f413 chip pins p2.3 is connected, and the other end is connected with triode q1 base stage;The emitter stage of the triode q1 connects
Ground, colelctor electrode are connected with one end of buzzer;Another termination 5v voltages of buzzer.The main function of warning circuit circuit is
Alarm signal, calorimeter normal work can be sent when remaining forward purchasing shortage of heat in calorimeter brownout or calorimeter
When P2.3 be low level, when needing to send alarm signal, P2.3 is set to high level by single-chip microcomputer makes triode ON, makes buzzing
Device is connected and sends alarm sound.
As shown in figure 9, RF Signal circuit include max3232 chips, electric capacity c5, electric capacity c6, electric capacity c7, electric capacity c8,
Electric capacity c9, electric capacity c10, resistance r9, triode q2, h6152 chip;The electric capacity c6 positive poles and max3232 chip c1+ pin phases
Even, negative pole is connected with max3232 chip c1- pins;The electric capacity c7 positive poles are connected with max3232 chip c2+ pins, negative pole with
Max3232 chip c2- pins are connected;The electric capacity c8 plus earths, negative pole are connected with max3232 chip v- pins;It is described
Electric capacity c5 positive poles are connected with max3232 chip v+ pins, and negative pole is connected with electric capacity c9 one end;The electric capacity c9 other ends with
Max3232 chip gnd pins, electric capacity c10 one end are connected and are grounded;The t1out pins of the max3232 chips and h6152 cores
The rxa pins of piece are connected, and r1in pins are connected with the txa pins of h6152 chips;The other end of the electric capacity c10 and h6152 cores
The vcc pins of piece are connected and access 5v voltages;A termination 5v voltages of the resistance r9, another termination triode q2 base stage;
The grounded emitter of the triode q2, colelctor electrode are connected with the gnd pins of h6152 chips.
As shown in Figure 10, lcd display circuits include lcd12864 chips and adjustable resistance r13;The vcc of lcd12864 chips
Pin is connected with adjustable resistance r13 No. 2 pins and connects 5v voltages, adjustable resistance r13 No. 1 pin and lcd12864 chips
Vr pins are connected, and adjustable resistance r13 No. 3 pins are connected with the v0 pins of lcd12864 chips, and the rs of lcd12864 chips draws
Pin is connected with the p3.5 pins of msp430f413 chips, and the p3.6 of the rw pins and msp430f413 chips of lcd12864 chips draws
Pin is connected, and the en pins of lcd12864 chips are connected with the p3.7 pins of msp430f413 chips, and the db0 of lcd12864 chips draws
Pin is connected with the p4.0 pins of msp430f413 chips, the db1 pins of lcd12864 chips and the p4.1 of msp430f413 chips
Pin is connected, and the db2 pins of lcd12864 chips are connected with the p4.2 pins of msp430f413 chips, lcd12864 chips
Db3 pins are connected with the p4.3 pins of msp430f413 chips, db4 pins and the msp430f413 chips of lcd12864 chips
P4.4 pins are connected, and the db5 pins of lcd12864 chips are connected with the p4.5 pins of msp430f413 chips, lcd12864 chips
Db6 pins be connected with the p4.6 pins of msp430f413 chips, the db7 pins of lcd12864 chips and msp430f413 chips
P4.7 pins be connected, the led+ pins of lcd12864 chips connect 5v voltages, the led- pins ground connection of lcd12864 chips.
As shown in figure 11, valve controling circuit includes triode q3, triode q4, triode q5, triode q6, triode
Q7, triode q8, diode d2, diode d3, diode d4, resistance r11, resistance r12, resistance r15, resistance r16, electric capacity
C12, magnetic valve Motor;The upper end of the resistance r11 is connected with triode q6 base stage, lower end and triode q3 colelctor electrode
It is connected;The base stage of the triode q3 is connected with msp430f413 chip pins p1.6, the base stage phase of emitter stage and triode q5
Even;One end of the resistance r15 is connected with triode q5 emitter stage, triode q8 emitter stage, other end ground connection;The electricity
Magnet valve Motor No. 1 pin is connected with triode q5 colelctor electrode, and No. 2 pins are connected with triode q8 colelctor electrode;Described three
Pole pipe q4 colelctor electrode and diode d3 one end, electric capacity c12 one end, magnetic valve Motor No. 1 pin are connected and access three
Pole pipe q5 colelctor electrode, triode q4 emitter stage are connected with triode q6 emitter stage and connect 3.3v voltages, triode q4's
Base stage connecting resistance r12 one end;The colelctor electrode of the triode q6 and diode d4 one end, electric capacity c12 one end, magnetic valve
Motor No. 2 pins are connected and access triode q8 colelctor electrode;The other end of the diode d4 and diode d3 one end
It is connected to resistance r16 one end;Another terminating diode d2 of resistance r16 one end;The diode d2's is another
End ground connection;Triode q7 base stage is connected with msp430f413 chip pins p1.7, and emitter stage is connected with triode q8 base stage.
Effect of the electrically operated valve in calorimeter is to flow into the break-make of hot water in heat supply pipeline for controlling, and single-chip microcomputer only needs to send one
The opening and closing of individual action signal can control electrically operated valve.
More than be embodiment of the present utility model, those skilled in the art institute in the case where not changing principle of the present utility model
Any change made is in the scope of protection of the utility model.
Claims (3)
1. a kind of radio-frequency card calorimeter, it is characterized in that, including the inspection of microprocessor, memory, acquisition module, power circuit, low pressure
Survey module, alarm module, RF Signal module, display screen, motor-driven valve drive module;The output end difference of the power circuit
It is connected with the power input of microprocessor, acquisition module, RF Signal module, motor-driven valve drive module;The microprocessor
Device respectively with low pressure detection module, alarm module, acquisition module, RF Signal module, display screen, motor-driven valve drive module,
Memory is connected.
2. a kind of radio-frequency card calorimeter according to claim 1, it is characterized in that, it is minimum that the microprocessor includes single-chip microcomputer
Circuit system;Described memory includes storage circuit;Described acquisition module includes temperature measuring circuit and flow measurement electricity
Road;Described power circuit includes 5v and 3.3v power circuits;Described low pressure detection module includes low-voltage testing circuit;It is described
Alarm module include warning circuit;Described RF Signal module includes RF Signal circuit;Described display screen bag
Include lcd display circuits;Described motor-driven valve drive module includes valve controling circuit.
3. a kind of radio-frequency card calorimeter according to claim 2, it is characterized in that, described singlechip minimum system circuit bag
Include msp430f413 chips, resistance r1, resistance r2, electric capacity c1, diode d1, crystal oscillator y1;The 1 of described msp430f413 chips
Number connect 3.3v power supplys with No. 64 pins, No. 61 are grounded with No. 62 pins, and No. 57 pin connecting resistance r2, No. 8 connect crystal oscillator with No. 9 pins
y1;The resistance r1 is connected a termination 3.3v power supplys with diode d1, and the other end and electric capacity c1 are connected ground connection with resistance r2;
Described storage circuit includes at24c02 chips, resistance r7, resistance r8;Described resistance r7 one end and at24c02 chips
No. 6 pins are connected and are connected with msp430f413 p2.0 pins, and the other end is connected 5v with No. 8 pins of at24c02 chips
Voltage;Described resistance r8 one end is connected 5v voltages with resistance r7 one end, and the other end is connected with No. 5 pins of at24c02 chips
And it is connected with msp430f413 p2.0 pins;The at24c02 chips 1,2,3, No. 4 pins are connected and are grounded with No. 7 pins;
Described temperature measuring circuit includes ads1100 chips, resistance r21, resistance r22, resistance r23, resistance r24, resistance
R25, resistance pt1000;Described resistance r21 one end is connected with ads1100 chip Vin+ pins and is connected with resistance r23 one end, separately
One end is connected 5v voltages with resistance r22 one end;The resistance r23 other ends ground connection;The resistance r22 other ends and ds1100
Chip Vin- pins are connected and are connected with resistance pt1000 one end;The resistance pt1000 other ends ground connection;The ads1100 cores
Piece scl pins are connected with resistance r25 one end and connect one end of msp430f413 chip pins p3.0, sdl pin and resistance r24
It is connected and connects msp430f413 chip pins p3.1, gnd pin and is grounded;The resistance r24 other ends are connected with resistance r25 one end
Connect 5v voltages;
Described flow measurement circuit includes resistance r10, resistance r17, resistance r18, resistance r20, electric capacity c13, electric capacity c14;Institute
State resistance r17 one end with resistance r18 one end to be connected 3.3v voltages, the other end and resistance r20 one end, the one of electric capacity c13
End is connected and meets msp430f413 chip pins p1.1;The resistance r18 other ends are connected with resistance r10, electric capacity c14 one end
And meet msp430f413 chip pins p1.0;The electric capacity c13 is connected with the electric capacity c14 other end and No. 3 pins of flowmeter
Ground connection;The other end of the resistance r10 is connected with No. 1 pin of flowmeter;The other end of the resistance r20 and the 2 of flowmeter
Number pin is connected;
Described 5v includes lp2950 chips, electric capacity c2, electric capacity c3, tps73233 chip, resistance r5, electricity with 3.3v power circuits
Hinder r6;The lp2950 chips in pins connect 6v positive sources and are connected, gnd pins and electric capacity c2 one end, electric capacity c3 one end, power supply
Negative pole, which is connected, to be grounded, and out pins are connected with and the en pin of the electric capacity c2 other ends, the electric capacity c3 other ends, tps73233 chips
Export 5v voltages;Described resistance r6 one end is connected with the out pins of tps73233 chips and exports 3.3v voltages, the other end with
The fb pins of tps73233 chips, resistance r5 one end are connected;The gnd of the other end and tps73233 chips of the resistance r5 draws
Pin, which is connected, to be grounded;
Described low-voltage testing circuit includes ht7027 chips, resistance r3, electric capacity c4;One end of the resistance r3 and ht7027 cores
The in pins of piece are connected and access 3.3v voltages, and the other end is connected and connect with the out pins of ht7027 chips, electric capacity c4 one end
To msp430f413 chip pins p2.2;The other end of the electric capacity c4 is connected ground connection with the gnd pins of ht7027 chips;
Described warning circuit includes resistance r4, triode q1, buzzer;Draw with msp430f413 chips described resistance r4 one end
Pin p2.3 is connected, and the other end is connected with triode q1 base stage;The grounded emitter of the triode q1, colelctor electrode and buzzer
One end be connected;Another termination 5v voltages of buzzer;
Described RF Signal circuit includes max3232 chips, electric capacity c5, electric capacity c6, electric capacity c7, electric capacity c8, electric capacity c9, electricity
Hold c10, resistance r9, triode q2, h6152 chip;The electric capacity c6 positive poles are connected with max3232 chip c1+ pins, negative pole with
Max3232 chip c1- pins are connected;The electric capacity c7 positive poles are connected with max3232 chip c2+ pins, negative pole and max3232 cores
Piece c2- pins are connected;The electric capacity c8 plus earths, negative pole are connected with max3232 chip v- pins;The electric capacity c5 positive poles
It is connected with max3232 chip v+ pins, negative pole is connected with electric capacity c9 one end;The electric capacity c9 other ends and max3232 chips
Gnd pins, electric capacity c10 one end are connected and are grounded;The t1out pins of the max3232 chips and the rxa pins of h6152 chips
It is connected, r1in pins are connected with the txa pins of h6152 chips;The other end of the electric capacity c10 and the vcc pins of h6152 chips
It is connected and accesses 5v voltages;A termination 5v voltages of the resistance r9, another termination triode q2 base stage;The triode q2
Grounded emitter, colelctor electrode is connected with the gnd pins of h6152 chips;
Described lcd display circuits include lcd12864 chips and adjustable resistance r13;Vcc pins of lcd12864 chips and can
Adjust resistance r13 No. 2 pins to be connected and connect 5v voltages, adjustable resistance r13 No. 1 pin and the vr pin phases of lcd12864 chips
Even, adjustable resistance r13 No. 3 pins are connected with the v0 pins of lcd12864 chips, the rs pins of lcd12864 chips and
The p3.5 pins of msp430f413 chips are connected, the rw pins of lcd12864 chips and the p3.6 pin phases of msp430f413 chips
Even, the en pins of lcd12864 chips are connected with the p3.7 pins of msp430f413 chips, the db0 pins of lcd12864 chips and
The p4.0 pins of msp430f413 chips are connected, the db1 pins of lcd12864 chips and the p4.1 pins of msp430f413 chips
It is connected, the db2 pins of lcd12864 chips are connected with the p4.2 pins of msp430f413 chips, and the db3 of lcd12864 chips draws
Pin is connected with the p4.3 pins of msp430f413 chips, the db4 pins of lcd12864 chips and the p4.4 of msp430f413 chips
Pin is connected, and the db5 pins of lcd12864 chips are connected with the p4.5 pins of msp430f413 chips, lcd12864 chips
Db6 pins are connected with the p4.6 pins of msp430f413 chips, db7 pins and the msp430f413 chips of lcd12864 chips
P4.7 pins are connected, and the led+ pins of lcd12864 chips connect 5v voltages, the led- pins ground connection of lcd12864 chips;
Described valve controling circuit includes triode q3, triode q4, triode q5, triode q6, triode q7, triode
Q8, diode d2, diode d3, diode d4, resistance r11, resistance r12, resistance r15, resistance r16, electric capacity c12, magnetic valve
Motor;The upper end of the resistance r11 is connected with triode q6 base stage, and lower end is connected with triode q3 colelctor electrode;Described three
Pole pipe q3 base stage is connected with msp430f413 chip pins p1.6, and emitter stage is connected with triode q5 base stage;The resistance
R15 one end is connected with triode q5 emitter stage, triode q8 emitter stage, other end ground connection;The magnetic valve Motor's
No. 1 pin is connected with triode q5 colelctor electrode, and No. 2 pins are connected with triode q8 colelctor electrode;The collection of the triode q4
Electrode and diode d3 one end, electric capacity c12 one end, magnetic valve Motor No. 1 pin are connected and access triode q5 collection
Electrode, triode q4 emitter stage are connected with triode q6 emitter stage and connect 3.3v voltages, triode q4 base stage connecting resistance
R12 one end;The colelctor electrode of the triode q6 and diode d4 one end, electric capacity c12 one end, No. 2 of magnetic valve Motor
Pin is connected and accesses triode q8 colelctor electrode;The other end of the diode d4 is connected to electricity with diode d3 one end
Hinder r16 one end;Another terminating diode d2 of resistance r16 one end;The other end ground connection of the diode d2;Three poles
Pipe q7 base stage is connected with msp430f413 chip pins p1.7, and emitter stage is connected with triode q8 base stage.
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CN201721319733.7U CN207182518U (en) | 2017-10-13 | 2017-10-13 | A kind of radio-frequency card calorimeter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721319733.7U CN207182518U (en) | 2017-10-13 | 2017-10-13 | A kind of radio-frequency card calorimeter |
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CN207182518U true CN207182518U (en) | 2018-04-03 |
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CN201721319733.7U Expired - Fee Related CN207182518U (en) | 2017-10-13 | 2017-10-13 | A kind of radio-frequency card calorimeter |
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2017
- 2017-10-13 CN CN201721319733.7U patent/CN207182518U/en not_active Expired - Fee Related
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