CN207457766U - A kind of dual sensor blood pressure measuring circuit - Google Patents
A kind of dual sensor blood pressure measuring circuit Download PDFInfo
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- CN207457766U CN207457766U CN201721436794.1U CN201721436794U CN207457766U CN 207457766 U CN207457766 U CN 207457766U CN 201721436794 U CN201721436794 U CN 201721436794U CN 207457766 U CN207457766 U CN 207457766U
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Abstract
The utility model is related to a kind of dual sensor blood pressure measuring circuits,Its feature is to include main control blood pressure circuit,From control blood pressure circuit,Inflate driving circuit,Pressure-releasing control circuit,Voltage input end VCC,By being equipped with input OR gate U1_1A on pressure-releasing control circuit,The design of input OR gate U1_1C is equipped in inflation driving circuit,Make pressure-releasing control circuit,Inflation driving circuit can receive main control blood pressure circuit simultaneously in use,From the signal of control blood pressure circuit,And by main control blood pressure circuit,It is controlled from one of control blood pressure circuit,The utility model is made to work as main control blood pressure circuit,When breaking down from one of control blood pressure circuit,Pressure-releasing control circuit,Inflation driving circuit will not all make a difference,There is the utility model simple in structure,Design is reasonable,Service life is long,The features such as meeting market development needs.
Description
Technical field
The utility model is related to medical instrument control circuit technical field, particularly a kind of dual sensor blood pressure measurement electricity
Road.
Background technology
It is that inflation is driven simultaneously using single-sensor, list CPU that existing blood pressure measuring circuit in the market uses mostly
What circuit and deflation driving circuit were controlled, it is directly connected between CPU and inflation driving circuit and deflation driving circuit, it is this
It is come control mode using single-sensor, list CPU, after one of CPU or sensor failure, whole blood pressure measuring circuit is just
It can be destroyed, be stopped using to record the recorder of data, service life is short, does not meet the needs of market development.
Utility model content
The purpose of this utility model is to provide a kind of dual sensor blood pressure measuring circuit, dual sensor blood pressure measurement electricity
Road has many advantages, such as that simple in structure, design is reasonable, service life is long, meets market development needs.
What the technical solution of the utility model was realized in：A kind of dual sensor blood pressure measuring circuit, feature are
Including main control blood pressure circuit, from control blood pressure circuit, inflation driving circuit, pressure-releasing control circuit, voltage input end VCC,
In：
The main control blood pressure circuit includes master reference, primary processor D3_5, capacitance C3_2, capacitance C3_3, capacitance C3_
4th, capacitance C3_5, capacitance C3_6, capacitance C3_7, capacitance C3_8, capacitance C3_26, capacitance C3_27, capacitance CT3_1, capacitance CT3_
5th, capacitance CT3_6, capacitance CT3_7, capacitance CT3_8, capacitance CT3_9, resistance R3_17, crystal oscillator G3_1；The primary processor D3_5
For MSP430F5438, No. 7 pins of primary processor D3_5 are blood pressure measurement input end of analog signal, the 7 of primary processor D3_5
Number pin is turned on master reference, and No. 23 pins of primary processor D3_5 are vent valve control terminal, and the 24 of primary processor D3_5
Number pin is air pump control terminal；
One end of the capacitance C3_2 is turned on No. 9 pins of primary processor D3_5, the other end ground connection of capacitance C3_2；
The anode of the capacitance CT3_1 is turned on No. 9 pins of primary processor D3_5, the cathode ground connection of capacitance CT3_1；
One end of the resistance R3_17 is turned on No. 10 pins of primary processor D3_5, another termination of resistance R3_17
Ground；
No. 11 pins ground connection of the primary processor D3_5, No. 12 pins ground connection of primary processor D3_5；
One end of the capacitance C3_3 is turned on No. 11 pins of primary processor D3_5, the other end ground connection of capacitance C3_3；
The anode of the capacitance CT3_5 is turned on No. 11 pins of primary processor D3_5, the cathode ground connection of capacitance CT3_5；
No. 15 pins ground connection of the primary processor D3_5；
One end of the capacitance C3_4 is turned on No. 15 pins of primary processor D3_5, the other end of capacitance C3_4 and main place
Manage No. 16 pins conducting of device D3_5；
The anode of the capacitance CT3_6 is turned on No. 16 pins of primary processor D3_5, the cathode of capacitance CT3_6 and master
No. 15 pins conducting of processor D3_5；
No. 37 pins ground connection of the primary processor D3_5；
One end of the capacitance C3_26 is turned on No. 37 pins of primary processor D3_5, the other end of capacitance C3_26 with
Voltage input end VCC is turned on；
No. 38 pins of the primary processor D3_5 are turned on voltage input end VCC；
The anode of the capacitance CT3_7 is turned on voltage input end VCC, the cathode ground connection of capacitance CT3_7；
One end of the capacitance C3_27 is turned on No. 62 pins of primary processor D3_5, another termination of capacitance C3_27
Ground；
No. 63 pins ground connection of the primary processor D3_5, No. 64 pins and the voltage input end VCC of primary processor D3_5
Conducting；
One end of the capacitance C3_8 is turned on No. 64 pins of primary processor D3_5, the other end ground connection of capacitance C3_8；
The anode of the capacitance CT3_8 is turned on voltage input end VCC, the cathode ground connection of capacitance CT3_8；
One end of the capacitance C3_5 is turned on No. 90 pins of primary processor D3_5, the other end ground connection of capacitance C3_5；
One end of the capacitance C3_6 is turned on No. 89 pins of primary processor D3_5, the other end ground connection of capacitance C3_6；
No. 1 pin ground connection of the crystal oscillator G3_1, No. 2 pins of crystal oscillator G3_1 are led with No. 89 pins of primary processor D3_5
Logical, No. 3 pins ground connection of crystal oscillator G3_1, No. 4 pins of crystal oscillator G3_1 are turned on No. 90 pins of primary processor D3_5；
The anode of the capacitance CT3_9 is turned on voltage input end VCC, cathode and the primary processor D3_5 of capacitance CT3_9
No. 88 pins conducting, primary processor D3_5 No. 88 pins ground connection；
One end of the capacitance C3_7 is turned on voltage input end VCC, the other end and the primary processor D3_5 of capacitance C3_7
No. 88 pins conducting；
No. 87 pins of the primary processor D3_5 are turned on voltage input end VCC；
It is described to include from control blood pressure circuit from sensor, from processor U2_1, capacitance C2_7, capacitance C2_10, capacitance
C2_13, capacitance C2_14, oscillator G3_5, resistance R2_20, resistance R2_21, resistance CT2_2；One end of the resistance R2_21
It is turned on No. 1 pin from processor U2_1, the other end ground connection of resistance R2_21；
The model MSP430F2122 from processor U2_1 should be blood pressure measurement from No. 9 pins of processor U2_1
Input end of analog signal, this this from No. 9 pins of processor U2_1 with from sensor conducts, drawing from No. 23 of processor U2_1
Foot is air pump control terminal, is vent valve control terminal from No. 24 pins of processor U2_1, from No. 2 pins of processor U2_1 with
Voltage input end VCC is turned on, and is grounded from No. 4 pins of processor U2_1；
The anode of the resistance CT2_2 is turned on voltage input end VCC, the cathode of resistance CT2_2 with from processor U2_1
No. 4 pins conducting；
One end of the capacitance C2_10 is turned on voltage input end VCC, the other end of resistance CT2_2 with from processor U2_
1 No. 4 pins conducting；
One end of the capacitance C2_13 is turned on No. 5 pins from processor U2_1, the other end ground connection of capacitance C2_13；
One end of the capacitance C2_14 is turned on No. 6 pins from processor U2_1, the other end ground connection of capacitance C2_14；
One end of the oscillator G3_5 is turned on No. 5 pins from processor U2_1, the other end of oscillator G3_5 with
It is turned on from No. 6 pins of processor U2_1；
One end of the resistance R2_20 is turned on voltage input end VCC, the other end of resistance R2_20 with from processor U2_
1 No. 7 pins conducting；
One end of the capacitance C2_7 is turned on No. 7 pins from processor U2_1, the other end ground connection of capacitance C2_7；
The inflation driving circuit includes input OR gate U1_1C, resistance R1_20, resistance R1_21, triode VT1_3, two
Pole pipe VD1_3, capacitance C1_11, microcontroller NG1_4, air pump motor M1_1, point A in parallel；
The model 74ALS08 of the input OR gate U1_1C, two input terminals of input OR gate U1_1C are controlled for inflation
Input terminal processed, one of ventilating control input terminal are turned on No. 24 pins of primary processor D3_5, another inflation control
Input terminal processed is turned on No. 23 pins from processor U2_1；
One end of the resistance R1_20 is turned on inputting the output terminal of OR gate U1_1C, the other end of resistance R1_20 and three
The base stage conducting of pole pipe VT1_3；
The emitter ground connection of the triode VT1_3；
One end of the resistance R1_21 is turned on the collector of triode VT1_3, the other end ground connection of resistance R1_21；
The microcontroller NG1_4 is general electronic corporation TPS1100, No. 4 pins and the triode VT1_3 of microcontroller NG1_4
Collector conducting, No. 1 pin, No. 2 pins, No. 3 pins of microcontroller NG1_4 are grounded respectively, No. 5 of microcontroller NG1_4
Pin, No. 6 pins, No. 7 pins, No. 8 pins turn on respectively with parallel connection point A；
The cathode of the diode VD1_3 is turned on parallel connection point A, diode VD1_3 plus earths；
One end of the capacitance C1_11 is turned on parallel connection point A, the other end ground connection of capacitance C1_11；
The anode of the air pump motor M1_1 is turned on parallel connection point A, the cathode ground connection of air pump motor M1_1；
The pressure-releasing control circuit include input OR gate U1_1A, resistance R1_19, triode VT1_2, diode VD1_2,
Capacitance C1_10, deflation valve coil YV1_2,3.3V input power；
The model 74ALS08 of the input OR gate U1_1A, two input terminals of input OR gate U1_1A are controlled to deflate
Input terminal processed, one of deflation control signal are turned on No. 23 pins of primary processor D3_5, another control of deflating
Input terminal processed is turned on No. 24 pins from processor U2_1；
One end of the resistance R1_19 is turned on inputting the output terminal of OR gate U1_1A, the other end of resistance R1_19 and three
The base stage conducting of pole pipe VT1_2；
The emitter ground connection of the triode VT1_2；
The anode of the diode VD1_2 is turned on the collector of triode VT1_2, the cathode of diode VD1_2 with
3.3V input powers turn on；
One end of the capacitance C1_10 is turned on the collector of triode VT1_2, the other end and 3.3V of capacitance C1_10
Input power turns on；
One end of the deflation valve coil YV1_2 is turned on the collector of triode VT1_2, deflation valve coil YV1_2's
The other end is turned on 3.3V input powers.
The beneficial effects of the utility model：The utility model by using main control blood pressure circuit, from control blood pressure electricity
Road and the design for being equipped with input OR gate U1_1C equipped with input OR gate U1_1A, in inflation driving circuit on pressure-releasing control circuit,
Make pressure-releasing control circuit, inflation driving circuit can receive simultaneously in use main control blood pressure circuit, from control blood pressure
The signal of circuit, and controlled by main control blood pressure circuit, from one of control blood pressure circuit, order works as main control to the utility model
Blood pressure circuit, from control one of blood pressure circuit break down when, shadow will not all occur for pressure-releasing control circuit, inflation driving circuit
It rings, the utility model is made to have many advantages, such as that simple in structure, design is reasonable, service life is long, meet market development needs.
Description of the drawings
Fig. 1 is the circuit diagram that the main control blood pressure circuit of the utility model is connected with voltage input end VCC.
Fig. 2 is the circuit diagram being connected from control blood pressure circuit with voltage input end VCC of the utility model.
Fig. 3 is the circuit diagram of the inflation driving circuit of the utility model.
Fig. 4 is the circuit diagram of the pressure-releasing control circuit of the utility model.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of dual sensor blood pressure measuring circuit described in the utility model, including master control
Blood pressure circuit processed, from control blood pressure circuit, inflation driving circuit, pressure-releasing control circuit, voltage input end VCC, wherein：
The main control blood pressure circuit include master reference (being not shown in Fig. 1), primary processor D3_5, capacitance C3_2,
Capacitance C3_3, capacitance C3_4, capacitance C3_5, capacitance C3_6, capacitance C3_7, capacitance C3_8, capacitance C3_26, capacitance C3_27, electricity
Hold CT3_1, capacitance CT3_5, capacitance CT3_6, capacitance CT3_7, capacitance CT3_8, capacitance CT3_9, resistance R3_17, crystal oscillator G3_1；
The primary processor D3_5 is MSP430F5438, and No. 7 pins of primary processor D3_5 are blood pressure measurement input end of analog signal,
No. 7 pins of primary processor D3_5 are turned on master reference, and No. 23 pins of primary processor D3_5 are vent valve control terminal,
No. 24 pins of primary processor D3_5 are air pump control terminal；
One end of the capacitance C3_2 is turned on No. 9 pins of primary processor D3_5, the other end ground connection of capacitance C3_2；
The anode of the capacitance CT3_1 is turned on No. 9 pins of primary processor D3_5, the cathode ground connection of capacitance CT3_1；
One end of the resistance R3_17 is turned on No. 10 pins of primary processor D3_5, another termination of resistance R3_17
Ground；
No. 11 pins ground connection of the primary processor D3_5, No. 12 pins ground connection of primary processor D3_5；
One end of the capacitance C3_3 is turned on No. 11 pins of primary processor D3_5, the other end ground connection of capacitance C3_3；
The anode of the capacitance CT3_5 is turned on No. 11 pins of primary processor D3_5, the cathode ground connection of capacitance CT3_5；
No. 15 pins ground connection of the primary processor D3_5；
One end of the capacitance C3_4 is turned on No. 15 pins of primary processor D3_5, the other end of capacitance C3_4 and main place
Manage No. 16 pins conducting of device D3_5；
The anode of the capacitance CT3_6 is turned on No. 16 pins of primary processor D3_5, the cathode of capacitance CT3_6 and master
No. 15 pins conducting of processor D3_5；
No. 37 pins ground connection of the primary processor D3_5；
One end of the capacitance C3_26 is turned on No. 37 pins of primary processor D3_5, the other end of capacitance C3_26 with
Voltage input end VCC is turned on；
No. 38 pins of the primary processor D3_5 are turned on voltage input end VCC；
The anode of the capacitance CT3_7 is turned on voltage input end VCC, the cathode ground connection of capacitance CT3_7；
One end of the capacitance C3_27 is turned on No. 62 pins of primary processor D3_5, another termination of capacitance C3_27
Ground；
No. 63 pins ground connection of the primary processor D3_5, No. 64 pins and the voltage input end VCC of primary processor D3_5
Conducting；
One end of the capacitance C3_8 is turned on No. 64 pins of primary processor D3_5, the other end ground connection of capacitance C3_8；
The anode of the capacitance CT3_8 is turned on voltage input end VCC, the cathode ground connection of capacitance CT3_8；
One end of the capacitance C3_5 is turned on No. 90 pins of primary processor D3_5, the other end ground connection of capacitance C3_5；
One end of the capacitance C3_6 is turned on No. 89 pins of primary processor D3_5, the other end ground connection of capacitance C3_6；
No. 1 pin ground connection of the crystal oscillator G3_1, No. 2 pins of crystal oscillator G3_1 are led with No. 89 pins of primary processor D3_5
Logical, No. 3 pins ground connection of crystal oscillator G3_1, No. 4 pins of crystal oscillator G3_1 are turned on No. 90 pins of primary processor D3_5；
The anode of the capacitance CT3_9 is turned on voltage input end VCC, cathode and the primary processor D3_5 of capacitance CT3_9
No. 88 pins conducting, primary processor D3_5 No. 88 pins ground connection；
One end of the capacitance C3_7 is turned on voltage input end VCC, the other end and the primary processor D3_5 of capacitance C3_7
No. 88 pins conducting；
No. 87 pins of the primary processor D3_5 are turned on voltage input end VCC；
It is described from control blood pressure circuit include from sensor (being not shown in Fig. 2), from processor U2_1, capacitance C2_7,
Capacitance C2_10, capacitance C2_13, capacitance C2_14, oscillator G3_5, resistance R2_20, resistance R2_21, resistance CT2_2；The electricity
One end of resistance R2_21 is turned on No. 1 pin from processor U2_1, the other end ground connection of resistance R2_21；
The model MSP430F2122 from processor U2_1 should be blood pressure measurement from No. 9 pins of processor U2_1
Input end of analog signal, this this from No. 9 pins of processor U2_1 with from sensor conducts, drawing from No. 23 of processor U2_1
Foot is air pump control terminal, is vent valve control terminal from No. 24 pins of processor U2_1, from No. 2 pins of processor U2_1 with
Voltage input end VCC is turned on, and is grounded from No. 4 pins of processor U2_1；
The anode of the resistance CT2_2 is turned on voltage input end VCC, the cathode of resistance CT2_2 with from processor U2_1
No. 4 pins conducting；
One end of the capacitance C2_10 is turned on voltage input end VCC, the other end of resistance CT2_2 with from processor U2_
1 No. 4 pins conducting；
One end of the capacitance C2_13 is turned on No. 5 pins from processor U2_1, the other end ground connection of capacitance C2_13；
One end of the capacitance C2_14 is turned on No. 6 pins from processor U2_1, the other end ground connection of capacitance C2_14；
One end of the oscillator G3_5 is turned on No. 5 pins from processor U2_1, the other end of oscillator G3_5 with
It is turned on from No. 6 pins of processor U2_1；
One end of the resistance R2_20 is turned on voltage input end VCC, the other end of resistance R2_20 with from processor U2_
1 No. 7 pins conducting；
One end of the capacitance C2_7 is turned on No. 7 pins from processor U2_1, the other end ground connection of capacitance C2_7；
The inflation driving circuit includes input OR gate U1_1C, resistance R1_20, resistance R1_21, triode VT1_3, two
Pole pipe VD1_3, capacitance C1_11, microcontroller NG1_4, air pump motor M1_1, point A in parallel；
The model 74ALS08 of the input OR gate U1_1C, two input terminals of input OR gate U1_1C are controlled for inflation
Input terminal processed, one of ventilating control input terminal are turned on No. 24 pins of primary processor D3_5, another inflation control
Input terminal processed is turned on No. 23 pins from processor U2_1；
One end of the resistance R1_20 is turned on inputting the output terminal of OR gate U1_1C, the other end of resistance R1_20 and three
The base stage conducting of pole pipe VT1_3；
The emitter ground connection of the triode VT1_3；
One end of the resistance R1_21 is turned on the collector of triode VT1_3, the other end ground connection of resistance R1_21；
The microcontroller NG1_4 is general electronic corporation TPS1100, No. 4 pins and the triode VT1_3 of microcontroller NG1_4
Collector conducting, No. 1 pin, No. 2 pins, No. 3 pins of microcontroller NG1_4 are grounded respectively, No. 5 of microcontroller NG1_4
Pin, No. 6 pins, No. 7 pins, No. 8 pins turn on respectively with parallel connection point A；
The cathode of the diode VD1_3 is turned on parallel connection point A, diode VD1_3 plus earths；
One end of the capacitance C1_11 is turned on parallel connection point A, the other end ground connection of capacitance C1_11；
The anode of the air pump motor M1_1 is turned on parallel connection point A, the cathode ground connection of air pump motor M1_1；
The pressure-releasing control circuit include input OR gate U1_1A, resistance R1_19, triode VT1_2, diode VD1_2,
Capacitance C1_10, deflation valve coil YV1_2,3.3V input power；
The model 74ALS08 of the input OR gate U1_1A, two input terminals of input OR gate U1_1A are controlled to deflate
Input terminal processed, one of deflation control signal are turned on No. 23 pins of primary processor D3_5, another control of deflating
Input terminal processed is turned on No. 24 pins from processor U2_1；
One end of the resistance R1_19 is turned on inputting the output terminal of OR gate U1_1A, the other end of resistance R1_19 and three
The base stage conducting of pole pipe VT1_2；
The emitter ground connection of the triode VT1_2；
The anode of the diode VD1_2 is turned on the collector of triode VT1_2, the cathode of diode VD1_2 with
3.3V input powers turn on；
One end of the capacitance C1_10 is turned on the collector of triode VT1_2, the other end and 3.3V of capacitance C1_10
Input power turns on；
One end of the deflation valve coil YV1_2 is turned on the collector of triode VT1_2, deflation valve coil YV1_2's
The other end is turned on 3.3V input powers.
The utility model is set by using main control blood pressure circuit, from control blood pressure circuit and on pressure-releasing control circuit
There is input OR gate U1_1A, the design of input OR gate U1_1C is equipped in inflation driving circuit, make pressure-releasing control circuit, inflation driving
Circuit can receive main control blood pressure circuit, the signal from control blood pressure circuit simultaneously in use, and by main control blood
Volt circuit is controlled from control one of blood pressure circuit, order to the utility model when main control blood pressure circuit, from controlling blood pressure circuit
One of when breaking down, pressure-releasing control circuit, inflation driving circuit will not all make a difference, and the utility model is made to have structure letter
Single, design is rationally, service life is long, meets the advantages that market development needs.
In addition, during blood pressure measurement of the prior art, pressure is only there are one overvoltage protection, i.e., when the pressure value of inflation is more than
During the maximum of setting, control solenoid valve is deflated, and reduces pressure, and is in when measuring pressure under prolonged the blowing pressure,
And pressure does not reach maximum, and equally also patient limb can be damaged；Deficiency during based on existing blood pressure measurement, this
Utility model three kinds of pressure protection conditions by software set in terms of pressure protection, make the utility model realize blood pressure measurement
Intelligent protection, order can prevent the harm occurred under the conditions of patient's difference blood pressure to the utility model；The utility model
Three kinds of pressure protection conditions are as follows：
First, when pressure is more than 315mmHg, vent valve is deflated immediately；
Second is that when pressure is 300mmHg~310mmHg values, the time, vent valve was deflated immediately more than 10 seconds；
Third, when pressure is more than 15mmHg, and the time is more than 180 seconds, vent valve is deflated immediately.
Claims (1)
1. a kind of dual sensor blood pressure measuring circuit, it is characterised in that：Including main control blood pressure circuit, from control blood pressure circuit,
Driving circuit, pressure-releasing control circuit, voltage input end VCC are inflated, wherein：
The main control blood pressure circuit includes master reference, primary processor D3_5, capacitance C3_2, capacitance C3_3, capacitance C3_4, electricity
Hold C3_5, capacitance C3_6, capacitance C3_7, capacitance C3_8, capacitance C3_26, capacitance C3_27, capacitance CT3_1, capacitance CT3_5, electricity
Hold CT3_6, capacitance CT3_7, capacitance CT3_8, capacitance CT3_9, resistance R3_17, crystal oscillator G3_1；The primary processor D3_5 is
No. 7 pins of MSP430F5438, primary processor D3_5 be blood pressure measurement input end of analog signal, No. 7 of primary processor D3_5
Pin is turned on master reference, and No. 23 pins of primary processor D3_5 are vent valve control terminal, No. 24 of primary processor D3_5
Pin is air pump control terminal；
One end of the capacitance C3_2 is turned on No. 9 pins of primary processor D3_5, the other end ground connection of capacitance C3_2；
The anode of the capacitance CT3_1 is turned on No. 9 pins of primary processor D3_5, the cathode ground connection of capacitance CT3_1；
One end of the resistance R3_17 is turned on No. 10 pins of primary processor D3_5, the other end ground connection of resistance R3_17；
No. 11 pins ground connection of the primary processor D3_5, No. 12 pins ground connection of primary processor D3_5；
One end of the capacitance C3_3 is turned on No. 11 pins of primary processor D3_5, the other end ground connection of capacitance C3_3；
The anode of the capacitance CT3_5 is turned on No. 11 pins of primary processor D3_5, the cathode ground connection of capacitance CT3_5；
No. 15 pins ground connection of the primary processor D3_5；
One end of the capacitance C3_4 is turned on No. 15 pins of primary processor D3_5, the other end and primary processor of capacitance C3_4
No. 16 pins conducting of D3_5；
The anode of the capacitance CT3_6 is turned on No. 16 pins of primary processor D3_5, the cathode and main process task of capacitance CT3_6
No. 15 pins conducting of device D3_5；
No. 37 pins ground connection of the primary processor D3_5；
One end of the capacitance C3_26 is turned on No. 37 pins of primary processor D3_5, the other end and voltage of capacitance C3_26
Input terminal VCC is turned on；
No. 38 pins of the primary processor D3_5 are turned on voltage input end VCC；
The anode of the capacitance CT3_7 is turned on voltage input end VCC, the cathode ground connection of capacitance CT3_7；
One end of the capacitance C3_27 is turned on No. 62 pins of primary processor D3_5, the other end ground connection of capacitance C3_27；
No. 63 pins ground connection of the primary processor D3_5, No. 64 pins of primary processor D3_5 are turned on voltage input end VCC；
One end of the capacitance C3_8 is turned on No. 64 pins of primary processor D3_5, the other end ground connection of capacitance C3_8；
The anode of the capacitance CT3_8 is turned on voltage input end VCC, the cathode ground connection of capacitance CT3_8；
One end of the capacitance C3_5 is turned on No. 90 pins of primary processor D3_5, the other end ground connection of capacitance C3_5；
One end of the capacitance C3_6 is turned on No. 89 pins of primary processor D3_5, the other end ground connection of capacitance C3_6；
No. 1 pin ground connection of the crystal oscillator G3_1, No. 2 pins of crystal oscillator G3_1 are turned on No. 89 pins of primary processor D3_5,
No. 3 pins ground connection of crystal oscillator G3_1, No. 4 pins of crystal oscillator G3_1 are turned on No. 90 pins of primary processor D3_5；
The anode of the capacitance CT3_9 is turned on voltage input end VCC, the cathode of capacitance CT3_9 and the 88 of primary processor D3_5
The conducting of number pin, No. 88 pins ground connection of primary processor D3_5；
One end of the capacitance C3_7 is turned on voltage input end VCC, the other end of capacitance C3_7 and the 88 of primary processor D3_5
The conducting of number pin；
No. 87 pins of the primary processor D3_5 are turned on voltage input end VCC；
It is described from control blood pressure circuit include from sensor, from processor U2_1, capacitance C2_7, capacitance C2_10, capacitance C2_13,
Capacitance C2_14, oscillator G3_5, resistance R2_20, resistance R2_21, resistance CT2_2；One end of the resistance R2_21 with from
Manage No. 1 pin conducting of device U2_1, the other end ground connection of resistance R2_21；
The model MSP430F2122 from processor U2_1 should be simulated from No. 9 pins of processor U2_1 for blood pressure measurement
Signal input part should be air pump from No. 23 pins of processor U2_1 from No. 9 pins of processor U2_1 and from sensor conducts
Control terminal is vent valve control terminal from No. 24 pins of processor U2_1, from No. 2 pins and voltage input end of processor U2_1
VCC is turned on, and is grounded from No. 4 pins of processor U2_1；
The anode of the resistance CT2_2 is turned on voltage input end VCC, the cathode of resistance CT2_2 and No. 4 from processor U2_1
Pin turns on；
One end of the capacitance C2_10 is turned on voltage input end VCC, the other end of resistance CT2_2 with from the 4 of processor U2_1
The conducting of number pin；
One end of the capacitance C2_13 is turned on No. 5 pins from processor U2_1, the other end ground connection of capacitance C2_13；
One end of the capacitance C2_14 is turned on No. 6 pins from processor U2_1, the other end ground connection of capacitance C2_14；
One end of the oscillator G3_5 is turned on No. 5 pins from processor U2_1, the other end of oscillator G3_5 with from
Manage No. 6 pins conducting of device U2_1；
One end of the resistance R2_20 is turned on voltage input end VCC, the other end of resistance R2_20 with from the 7 of processor U2_1
The conducting of number pin；
One end of the capacitance C2_7 is turned on No. 7 pins from processor U2_1, the other end ground connection of capacitance C2_7；
The inflation driving circuit includes input OR gate U1_1C, resistance R1_20, resistance R1_21, triode VT1_3, diode
VD1_3, capacitance C1_11, microcontroller NG1_4, air pump motor M1_1, point A in parallel；
The model 74ALS08 of the input OR gate U1_1C, two input terminals of input OR gate U1_1C are defeated for ventilating control
Enter end, one of ventilating control input terminal is turned on No. 24 pins of primary processor D3_5, another ventilating control is defeated
Enter end to turn on No. 23 pins from processor U2_1；
One end of the resistance R1_20 is turned on inputting the output terminal of OR gate U1_1C, the other end and triode of resistance R1_20
The base stage conducting of VT1_3；
The emitter ground connection of the triode VT1_3；
One end of the resistance R1_21 is turned on the collector of triode VT1_3, the other end ground connection of resistance R1_21；
The microcontroller NG1_4 is general electronic corporation TPS1100, No. 4 pins of microcontroller NG1_4 and the collection of triode VT1_3
Electrode conduction, No. 1 pin, No. 2 pins, No. 3 pins of microcontroller NG1_4 are grounded respectively, No. 5 pins of microcontroller NG1_4,
No. 6 pins, No. 7 pins, No. 8 pins turn on respectively with parallel connection point A；
The cathode of the diode VD1_3 is turned on parallel connection point A, diode VD1_3 plus earths；
One end of the capacitance C1_11 is turned on parallel connection point A, the other end ground connection of capacitance C1_11；
The anode of the air pump motor M1_1 is turned on parallel connection point A, the cathode ground connection of air pump motor M1_1；
The pressure-releasing control circuit includes input OR gate U1_1A, resistance R1_19, triode VT1_2, diode VD1_2, capacitance
C1_10, deflation valve coil YV1_2,3.3V input power；
Two input terminals of the model 74ALS08 of the input OR gate U1_1A, input OR gate U1_1A are defeated for control of deflating
Enter end, one of deflation control signal is turned on No. 23 pins of primary processor D3_5, another control of deflating is defeated
Enter end to turn on No. 24 pins from processor U2_1；
One end of the resistance R1_19 is turned on inputting the output terminal of OR gate U1_1A, the other end and triode of resistance R1_19
The base stage conducting of VT1_2；
The emitter ground connection of the triode VT1_2；
The anode of the diode VD1_2 is turned on the collector of triode VT1_2, and the cathode and 3.3V of diode VD1_2 is defeated
Enter power supply conducting；
One end of the capacitance C1_10 is turned on the collector of triode VT1_2, and the other end and the 3.3V of capacitance C1_10 are inputted
Power supply turns on；
One end of the deflation valve coil YV1_2 is turned on the collector of triode VT1_2, and deflation valve coil YV1_2's is another
End is turned on 3.3V input powers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436794.1U CN207457766U (en) | 2017-11-03 | 2017-11-03 | A kind of dual sensor blood pressure measuring circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436794.1U CN207457766U (en) | 2017-11-03 | 2017-11-03 | A kind of dual sensor blood pressure measuring circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207457766U true CN207457766U (en) | 2018-06-05 |
Family
ID=62253288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721436794.1U Active CN207457766U (en) | 2017-11-03 | 2017-11-03 | A kind of dual sensor blood pressure measuring circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207457766U (en) |
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2017
- 2017-11-03 CN CN201721436794.1U patent/CN207457766U/en active Active
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