CN210433475U - Deflation control circuit of blood pressure detection device - Google Patents
Deflation control circuit of blood pressure detection device Download PDFInfo
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- CN210433475U CN210433475U CN201920469376.5U CN201920469376U CN210433475U CN 210433475 U CN210433475 U CN 210433475U CN 201920469376 U CN201920469376 U CN 201920469376U CN 210433475 U CN210433475 U CN 210433475U
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- deflation
- control circuit
- resistor
- blood pressure
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- 230000036772 blood pressure Effects 0.000 title claims abstract description 74
- 238000001514 detection method Methods 0.000 title claims description 25
- 239000003990 capacitor Substances 0.000 claims description 31
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000000740 bleeding effect Effects 0.000 description 15
- 101000637031 Homo sapiens Trafficking protein particle complex subunit 9 Proteins 0.000 description 14
- 102100031926 Trafficking protein particle complex subunit 9 Human genes 0.000 description 14
- 230000006378 damage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000222336 Ganoderma Species 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
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Abstract
The utility model discloses a blood pressure check device's gassing control circuit, its work through the quick gassing module of host system control and gassing module slowly, thereby realize carrying out the gassing of different speeds to blood pressure check device under different states, thereby solved among the prior art blood pressure check device need carry out the blood pressure through manual gassing when measuring because gassing control is not accurate, thereby cause blood pressure data to detect inaccurate, the use is not convenient and need have the technical problem that the measurement personnel of experience could carry out the blood pressure check operation, a blood pressure check device's gassing control circuit who has quick gassing function, it is accurate, the convenient to use is provided.
Description
Technical Field
The utility model belongs to the technical field of the medical equipment technique and specifically relates to a blood pressure check device's gassing control circuit is related to.
Background
The result of blood pressure detection is used as an important reference index for disease diagnosis and physical health conditions, and how to accurately and conveniently detect blood pressure by the blood pressure detection device is of great significance.
When the traditional blood pressure detection device is deflated manually, the change of the mercury column is observed to acquire the blood pressure data of a person to be detected, however, the accurate blood pressure data cannot be acquired when the blood pressure is measured by inflating and deflating manually, and the operation must be performed by an experienced user when the blood pressure is detected, so that the technical problems that the blood pressure detection has large errors and the requirements on the user are high are caused.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model has the advantages that the air release control circuit of the blood pressure detection device with the quick and slow air release function is accurate and convenient to use.
The utility model adopts the technical proposal that:
in a first aspect, the utility model provides an air bleeding control circuit of a blood pressure detecting device, which comprises a fast air bleeding module, a slow air bleeding module and a main control module; the output end of the main control module is connected with the input end of the quick deflation module so as to control the blood pressure detection device to perform quick deflation; the output end of the main control module is connected with the input end of the slow deflation module so as to control the blood pressure detection device to perform slow deflation.
Further, the quick air release module comprises a quick air release control circuit and a first air release valve; a first output end of the quick deflation control circuit is connected with a first end of the first deflation valve, and a second output end of the quick deflation control circuit is connected with a second end of the first deflation valve; the quick deflation control circuit comprises a quick deflation control input end and an overvoltage protection deflation control end, and the output end of the main control module is connected with the quick deflation control input end and the overvoltage protection deflation control end respectively.
Further, the quick deflation control circuit specifically comprises: the circuit comprises a first resistor, a second resistor, a third resistor, a first capacitor, a first diode, a first triode, a first MOS (metal oxide semiconductor) tube and a second MOS tube; the first end of the first resistor is the fast deflation control input end, the gate of the second MOS tube is the overvoltage protection deflation control end, the first end of the first resistor is connected with the output end of the main control module, the second end of the first resistor is connected with the base of the first triode, the collector of the first triode is connected with an external power supply, the emitter of the first triode is respectively connected with the gate of the first MOS tube and the first end of the second resistor, the second end of the second resistor is connected with a power ground, the source of the first MOS tube is connected with the drain of the second MOS tube, the gate of the second MOS tube is respectively connected with the output end of the main control module and the first end of the third resistor, the second end of the third resistor is connected with the external power supply, the source of the second MOS tube is grounded, and the drain of the first MOS tube is the first output end of the fast deflation control circuit, the drain electrode of the first MOS tube is respectively connected with the first end of the first deflation valve and the anode of the first diode, the cathode of the first diode is the second output end of the fast deflation control circuit, the cathode of the first diode is respectively connected with the second end of the first deflation valve, the anode of the first capacitor and an external power supply, and the cathode of the first capacitor is grounded.
Further, the slow deflation module comprises a slow deflation control circuit and a second deflation valve; the output end of the main control module is connected with the input end of the slow deflation control circuit, the first output end of the slow deflation control circuit is connected with the first end of the second deflation valve, and the second output end of the slow deflation control circuit is connected with the second end of the second deflation valve.
Further, the slow deflation control circuit specifically comprises: the third resistor, the fifth resistor, the sixth resistor, the second capacitor, the third capacitor, the second diode, the second triode and the third MOS tube; the first end of the fourth resistor is the input end of the slow deflation control circuit, the first end of the fourth resistor is connected with the output end of the main control module, the second end of the fourth resistor is respectively connected with the first end of the fifth resistor and the base electrode of the second triode, the second end of the fifth resistor is respectively connected with the emitter electrode of the second triode and the power ground, the collector electrode of the second triode is respectively connected with the first end of the sixth resistor and the grid electrode of the third MOS tube, the second end of the sixth resistor is respectively connected with the first end of the second capacitor and the external power supply, the second end of the second capacitor is connected with the power ground, the source electrode of the third MOS tube is grounded, the drain electrode of the third MOS tube is the first output end of the slow deflation control circuit, and the drain electrode of the third MOS tube is respectively connected with the first end of the second deflation valve, The anode of the second diode is connected, the cathode of the second diode is the second output end of the slow deflation control circuit, the cathode of the second diode is respectively connected with the second end of the second deflation valve, the anode of the third capacitor and an external power supply, and the cathode of the third capacitor is connected with a power supply ground.
Further, the main control module comprises an STM32F103R8T6 chip.
The utility model has the advantages that:
the utility model relates to a blood pressure check device's gassing control circuit, its work through the quick gassing module of host system control and gassing module slowly, thereby realize carrying out the gassing of different speeds to blood pressure check device under different states, thereby solved among the prior art blood pressure check device need bleed through manual carry on when carrying out the measurement of blood pressure because gassing control is not accurate, thereby cause blood pressure data to detect inaccurate, the use is not convenient and need have the technical problem that the measurement personnel of experience could carry out the blood pressure check operation, a blood pressure check device's gassing control circuit who has quick gassing function, it is accurate, the convenient to use is provided.
Additionally, the utility model relates to a blood pressure check device's gassing control circuit is through being provided with the overvoltage protection gassing control end in quick gassing control circuit, when carrying out blood pressure check and host system received the signal of device excessive pressure, host system output control signal is to the control of overvoltage protection gassing control end blood pressure check device gassing, in order to avoid the equipment that the excessive pressure caused to damage or relevant user's safety problem, the safety problem that blood pressure check device did not possess the overvoltage protection function and caused among the prior art has been solved, the gassing control circuit of a safe blood pressure check device is provided.
Drawings
Fig. 1 is a block diagram of an embodiment of an air bleeding control circuit of a blood pressure detecting device according to the present invention;
FIG. 2 is a circuit diagram of an embodiment of a quick deflation control circuit in the deflation control circuit of the blood pressure monitor of the present invention;
FIG. 3 is a circuit diagram of an embodiment of a slow deflation control circuit in the deflation control circuit of the blood pressure monitor of the present invention;
fig. 4 is a schematic circuit diagram of a main control module in an air bleeding control circuit of a blood pressure detecting device according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The utility model relates to a blood pressure check device's gassing control circuit's basic thought principle is:
the rapid deflation module and the slow deflation module are arranged to perform deflation control on the blood pressure detection device at different speeds in different stages of blood pressure detection. The main control module controls the quick deflation module to perform quick deflation to reduce the pressure of the device and reduce the pressure value to a set second threshold value by sending continuous signals when the pressure value exceeds a set first threshold value, so that the injury of a person to be detected or the damage of blood pressure detection equipment are avoided; at the end stage of blood pressure detection, the main control module controls the quick deflation module to deflate quickly by sending continuous signals, so that the time required by blood pressure detection is saved, and the working efficiency of the equipment is improved. The slow deflation module works in a blood pressure measuring stage, when the blood pressure detection is completed after the inflation, the main control module sends a short-time and intermittent signal control device to perform intermittent slow deflation, and the blood pressure data of a person to be detected can be accurately measured through the intermittent and short-time slow deflation, so that the problem that the blood pressure data measured by manual deflation due to operation is not accurate enough is avoided.
As shown in fig. 1, the utility model relates to a blood pressure check device's gassing control circuit, it includes host system, quick gassing module and gassing module slowly, and host system's output is connected with the input of quick gassing module to control blood pressure check device and carry out the gassing fast, host system's output is connected with the input of gassing module slowly, carries out gassing slowly with control blood pressure check banker's glossy ganoderma. The fast deflation module comprises a fast deflation control circuit and a first deflation valve, the slow deflation module comprises a slow deflation control circuit and a second deflation valve, the fast deflation control circuit controls the first deflation valve to be opened or closed according to a signal received from the main control module, so that the control device can perform fast deflation, the slow deflation control circuit controls the second deflation valve to be opened or closed according to the signal received from the main control module, and therefore the control device can perform slow deflation.
Referring to fig. 2 and 4, specifically, as shown in fig. 2, the present invention relates to a quick deflation control circuit of a blood pressure monitor, which includes a first resistor R1, a second resistor R2, a third resistor R3, a first triode Q1, a first PMOS transistor Q2, a second PMOS transistor Q3, a first diode D1, and a first capacitor C1; wherein, the first capacitor C1 is a polar capacitor, the first end of the first resistor R1 is a control end NIBP _ def _ fast of the fast deflation control circuit, the first end of the first resistor R1 is connected with the main control module, the second end of the first resistor R1 is connected with the base of the first triode Q1, the collector of the first triode Q1 is connected with an external +5VD power supply, the emitter of the first triode Q1 is respectively connected with the first end of the second resistor R2 and the gate of the first PMOS transistor Q2, the second end of the second resistor R2 is connected with the power ground, the source of the first PMOS transistor Q2 is connected with the drain of the second PMOS transistor Q3, the gate of the second PMOS transistor Q3 is an enable end of the fast deflation control circuit, the gate of the second PMOS transistor Q3 is respectively connected with the main control module and the first end of the third resistor R3, the second end of the third resistor R3 is connected with the external +5 power supply, the source of the second resistor R3 is connected with the PNOS power supply Q3, the drain electrode of the first PMOS tube Q2 is respectively connected with the anode of the first diode D1 and the first end N _ F _ K of the first deflation valve, the cathode of the first diode D1 is respectively connected with the second end of the first deflation valve, the anode of the first capacitor C1 and an external +5VD power supply, and the cathode of the first capacitor C1 is connected with the power ground. Referring to fig. 4, a main control module of an air bleeding control circuit of a blood pressure monitor according to the present invention includes an STM32F103R8T6 chip U1 having an overvoltage control output terminal NIBP _ EN connected to a second PMOS tube in a quick air bleeding control circuit, a quick air bleeding control output terminal NIBP _ def _ fast connected to a first end of a first resistor R1 in the quick air bleeding control circuit, through the quick air bleeding control circuit, the blood pressure monitor is in a quick air bleeding state when being powered on, i.e. the quick air bleeding control output terminal NIBP _ def _ fast and the overvoltage control output terminal NIBP _ EN of the main control module both output continuous low level signals, a first diode D1, a first PMOS tube Q2 and a second PMOS tube Q3 are turned on, the first air bleeding valve is opened, when the apparatus is inflated, the quick air bleeding control output terminal NIBP _ def _ fast and the overvoltage control output terminal NIBP _ EN of the main control module both output continuous high level signals so that the first air bleeding valve is closed, the pressure of the device is raised to perform blood pressure detection. However, when the pressure value obtained by the main control module exceeds a set first threshold value or the blood pressure detection is finished, the quick deflation control output end NIBP _ def _ fast and the overpressure control output end NIBP _ EN of the main control module both output continuous low level signals, so that the pressure value of the device is reduced to a second threshold value preset in a safety range, and the injury of the person to be detected or the damage of the blood pressure detection equipment are avoided; at the end stage of blood pressure detection, the main control module controls the quick deflation module to deflate quickly by sending continuous signals, so that the time required by blood pressure detection is saved, and the working efficiency of the equipment is improved.
As shown in fig. 3, the slow deflation control circuit of the blood pressure monitor of the present invention comprises a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a second capacitor C2, a third capacitor C3, a second triode Q4, a third PMOS transistor Q5 and a second diode D2; wherein, the third capacitor C3 is a polar capacitor, the first end of the fourth resistor R4 is a control end NIBP _ def _ slow of the slow deflation control circuit, the first end of the fourth resistor R4 is connected with the main control module, the second end of the fourth resistor R4 is respectively connected with the first end of the fifth resistor R5 and the base of the second triode Q4, the second end of the fifth resistor R5 is respectively connected with the emitter of the second triode Q4 and the power ground, the collector of the second triode Q4 is respectively connected with the first end of the sixth resistor R6 and the gate of the third PMOS transistor Q5, the second end of the sixth resistor R6 is respectively connected with the first end of the second capacitor C2 and the external +5VD power supply, the second end of the second capacitor C2 is connected with the power ground, the source of the third PMOS transistor Q5 is connected with the power ground, the drain of the third PMOS transistor Q5 is respectively connected with the positive electrode of the second diode D2 and the second deflation valve N _ S _ K _ S _ K of the second diode D2, the cathode of the second diode D2 is connected to the first end of the third capacitor C3 and the external +5VD power supply, respectively, and the second end of the third capacitor C3 is connected to the power ground. Referring to fig. 4, the main control module has a slow deflation control output terminal NIBP _ def _ slow connected to the first terminal of a fourth resistor R4 in the slow deflation control circuit, and the blood pressure detecting apparatus is in a slow deflation state when being powered on, i.e. the slow deflation control output terminal NIBP _ def _ slow of the main control module outputs a continuous high level signal, so that the second triode Q4 and the third PMOS transistor Q5 are turned on, the second deflation valve is opened, and the apparatus performs slow deflation; when the device aerifys, master control module's slow gassing control output NIBP _ def _ slow output is lasting low level signal, make the second bleed valve close, when carrying out blood pressure detection, master control module's slow gassing control output NIBP _ def _ slow output is discontinuous, short-term high level pulse signal makes the second bleed valve open, make the device carry out discontinuity, the short-term is bled slowly, the blood pressure data for measuring the personnel that await measuring, through discontinuity, the blood pressure data that measure the personnel that await measuring that can be accurate of short-term slow gassing, the blood pressure data of having avoided the manual work to bleed because the problem of operation is surveyed are not accurate enough.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention defined by the claims.
Claims (6)
1. An air release control circuit of a blood pressure detection device is characterized by comprising a quick air release module, a slow air release module and a main control module; the output end of the main control module is connected with the input end of the quick deflation module so as to control the blood pressure detection device to perform quick deflation; the output end of the main control module is connected with the input end of the slow deflation module so as to control the blood pressure detection device to perform slow deflation.
2. The deflation control circuit of the blood pressure monitor according to claim 1, wherein the quick deflation module comprises a quick deflation control circuit and a first deflation valve; a first output end of the quick deflation control circuit is connected with a first end of the first deflation valve, and a second output end of the quick deflation control circuit is connected with a second end of the first deflation valve; the quick deflation control circuit comprises a quick deflation control input end and an overvoltage protection deflation control end, and the output end of the main control module is connected with the quick deflation control input end and the overvoltage protection deflation control end respectively.
3. The deflation control circuit of a blood pressure monitor according to claim 2, wherein the quick deflation control circuit comprises: the circuit comprises a first resistor, a second resistor, a third resistor, a first capacitor, a first diode, a first triode, a first MOS (metal oxide semiconductor) tube and a second MOS tube; the first end of the first resistor is the fast deflation control input end, the gate of the second MOS tube is the overvoltage protection deflation control end, the first end of the first resistor is connected with the output end of the main control module, the second end of the first resistor is connected with the base of the first triode, the collector of the first triode is connected with an external power supply, the emitter of the first triode is respectively connected with the gate of the first MOS tube and the first end of the second resistor, the second end of the second resistor is connected with a power ground, the source of the first MOS tube is connected with the drain of the second MOS tube, the gate of the second MOS tube is respectively connected with the output end of the main control module and the first end of the third resistor, the second end of the third resistor is connected with the external power supply, the source of the second MOS tube is grounded, and the drain of the first MOS tube is the first output end of the fast deflation control circuit, the drain electrode of the first MOS tube is respectively connected with the first end of the first deflation valve and the anode of the first diode, the cathode of the first diode is the second output end of the fast deflation control circuit, the cathode of the first diode is respectively connected with the second end of the first deflation valve, the anode of the first capacitor and an external power supply, and the cathode of the first capacitor is grounded.
4. The deflation control circuit of the blood pressure monitor according to any of claims 1-3, wherein the slow deflation module comprises a slow deflation control circuit and a second deflation valve; the output end of the main control module is connected with the input end of the slow deflation control circuit, the first output end of the slow deflation control circuit is connected with the first end of the second deflation valve, and the second output end of the slow deflation control circuit is connected with the second end of the second deflation valve.
5. Deflation control circuit for a blood pressure detection device according to claim 4, wherein the slow deflation control circuit comprises in particular: the third resistor, the fifth resistor, the sixth resistor, the second capacitor, the third capacitor, the second diode, the second triode and the third MOS tube; the first end of the fourth resistor is the input end of the slow deflation control circuit, the first end of the fourth resistor is connected with the output end of the main control module, the second end of the fourth resistor is respectively connected with the first end of the fifth resistor and the base electrode of the second triode, the second end of the fifth resistor is respectively connected with the emitter electrode of the second triode and the power ground, the collector electrode of the second triode is respectively connected with the first end of the sixth resistor and the grid electrode of the third MOS tube, the second end of the sixth resistor is respectively connected with the first end of the second capacitor and the external power supply, the second end of the second capacitor is connected with the power ground, the source electrode of the third MOS tube is grounded, the drain electrode of the third MOS tube is the first output end of the slow deflation control circuit, and the drain electrode of the third MOS tube is respectively connected with the first end of the second deflation valve, The anode of the second diode is connected, the cathode of the second diode is the second output end of the slow deflation control circuit, the cathode of the second diode is respectively connected with the second end of the second deflation valve, the anode of the third capacitor and an external power supply, and the cathode of the third capacitor is connected with a power supply ground.
6. The deflation control circuit of a blood pressure monitor according to claim 5, wherein the main control module comprises an STM32F103R8T6 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469376.5U CN210433475U (en) | 2019-04-08 | 2019-04-08 | Deflation control circuit of blood pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469376.5U CN210433475U (en) | 2019-04-08 | 2019-04-08 | Deflation control circuit of blood pressure detection device |
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| Publication Number | Publication Date |
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| CN210433475U true CN210433475U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920469376.5U Withdrawn - After Issue CN210433475U (en) | 2019-04-08 | 2019-04-08 | Deflation control circuit of blood pressure detection device |
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| CN (1) | CN210433475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522434A (en) * | 2019-04-08 | 2019-12-03 | 深圳市贝斯曼精密仪器有限公司 | A kind of pressure-releasing control circuit of blood pressure detector |
| CN110522434B (en) * | 2019-04-08 | 2024-05-14 | 深圳市贝斯曼精密仪器有限公司 | Deflation control circuit of blood pressure detection device |
-
2019
- 2019-04-08 CN CN201920469376.5U patent/CN210433475U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522434A (en) * | 2019-04-08 | 2019-12-03 | 深圳市贝斯曼精密仪器有限公司 | A kind of pressure-releasing control circuit of blood pressure detector |
| CN110522434B (en) * | 2019-04-08 | 2024-05-14 | 深圳市贝斯曼精密仪器有限公司 | Deflation control circuit of blood pressure detection device |
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Granted publication date: 20200501 Effective date of abandoning: 20240514 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200501 Effective date of abandoning: 20240514 |