CN110179449A

CN110179449A - Sphygmomanometer and blood pressure measuring method

Info

Publication number: CN110179449A
Application number: CN201910530861.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Transtek Medical Electronics Co Ltd
Current assignee: Guangdong Transtek Medical Electronics Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2019-08-30
Also published as: WO2020253738A1

Abstract

The application relates to the technical field of medical electronic equipment, in particular to a sphygmomanometer and a blood pressure measuring method. The sphygmomanometer comprises: a processor and at least one blood pressure detection unit. The blood pressure detection unit includes: the air bag, the inflation component, the air pressure detection assembly and the deflation valve group. The air release valve group comprises a first air release valve and a second air release valve, and the drift diameter of the first air release valve is larger than that of the second air release valve. The air discharge valve group is used for receiving air discharge signals sent by the processor and discharging air to the air bag. The processor is used for receiving the pressure signal and calculating a blood pressure value according to the pressure signal. When the air pressure is detected in the air discharging process, the second air discharging valve with the smaller drift diameter is adopted for slow air discharging, the air flowing speed is reduced, the interference of air flowing on the measurement of the pressure sensor is reduced, and the precision is improved.

Description

Sphygmomanometer and blood pressure measuring method

Technical field

This application involves medical treatment electronic equipment technical fields, in particular to a kind of sphygmomanometer and blood pressure measurement side Method.

Background technique

Common electronic sphygmomanometer on the market at present, pressurizes to measurement limbs using air bag and is acquired in the air bag again Pressure signal calculates pressure value according to oscillographic method.When blood pressure measurement, descending manner blood pressure measurement or ascending manner blood can only be generally selected One of pressure measurement method, i.e., measure blood pressure in deflation or gas replenishment process.Measurement pattern is single, is not able to satisfy user's difference Demand.

And the pressure in the air bag that this electronic sphygmomanometer common at present measures is rendered proximate to stepped variation, For descending manner blood pressure calculation method, when calculating blood pressure, based on pressure have to true air pressure/blood pressure it is certain Precision influences.

Summary of the invention

The embodiment of the present application is designed to provide a kind of sphygmomanometer and blood pressure measuring method.

In a first aspect, the application provides a kind of technical solution:

A kind of sphygmomanometer, comprising: processor and at least one blood pressure detecting unit.Blood pressure detecting unit include: air bag, Pneumatic element, air pressure detection components and deflation valve group.Pneumatic element is connected to the inlet port of air bag, and deflation valve group is connected to First outlet port of air bag；Air pressure detection components are connected to air bag；Air pressure detection components, pneumatic element, deflation valve group with Processor connection；Pneumatic element is used to receive the inflation signal of processor sending and inflates to air bag；Air pressure detection components are used for The pressure information in air bag is detected, and pressure information is converted into pressure signal and is transmitted to processor；Deflation valve group includes first Vent valve and the second vent valve, the latus rectum of the first vent valve are greater than the latus rectum of the second vent valve；Deflation valve group is handled for reception The deflating signal that device issues, and deflate to air bag；Processor calculates blood for receiving pressure signal, and according to pressure signal Pressure value.

The sphygmomanometer uses latus rectum vent valve group cooperation of different sizes and deflates, and carries out air pressure inspection in deflation course It when survey, is slowly deflated using lesser second vent valve of latus rectum, reduces gas flow rates, to reduce gas flowing For the interference of pressure sensor measurement, precision is improved.After to be measured, quickly will using biggish first vent valve of latus rectum Gas in air bag discharges.The characteristics of due to this deflation valve group, so that processor finally uses oscillographic method to be calculated Pressure value is and then to greatly improve the precision of detection close to linear pressure value.

In the other embodiments of the application, the first outlet port of above-mentioned air bag is connected with the gas circuit pipe of multiple parallel connections Road；The first vent valve is provided at least one gas path pipe；It is provided with the second vent valve at least one gas path pipe, and sets The quantity for the second vent valve set is at least one.

In the other embodiments of the application, there are two gas path pipes in parallel for the first outlet port connection of air bag；Its In be provided with the first vent valve on a gas path pipe；The second vent valve is provided on another gas path pipe.

In the other embodiments of the application, air pressure detection components include first pressure sensor and second pressure sensing Device；First pressure sensor is connected to the gas path pipe between the first outlet port of air bag and deflation valve group；First pressure passes Sensor is converted to air bag for detecting air bag the first outlet port pressure information, and by air bag the first outlet port pressure information One outlet port pressure signal is transmitted to processor；Second pressure sensor be connected to air bag inlet port and pneumatic element it Between gas path pipe；Second pressure sensor is for detecting air bag inlet port pressure information, and by air bag inlet port pressure Information is converted to air bag inlet port pressure signal and is transmitted to processor.

In the other embodiments of the application, air pressure detection components include first pressure sensor；Air bag has second to go out Port end；First pressure sensor is connected to the gas path pipe between the second outlet port of air bag and processor；First pressure Air bag the second outlet port pressure information is converted to air bag for detecting air bag the second outlet port pressure information by sensor Second outlet port pressure signal is transmitted to processor.

In the other embodiments of the application, processor is used to receive first pressure when pneumatic element inflates air bag The first pressure signal of sensor sending simultaneously calculates the first pressure value according to first pressure signal；After inflation, processor For issuing deflating signal to the first vent valve；Or

Processor is used to first deflating signal is issued to the second vent valve, the after pneumatic element inflates air bag During two vent valves are deflated, processor is for receiving the second pressure signal of second pressure sensor transmissions and according to second Pressure signal calculates the second pressure value；After processor calculates the second pressure value, deflating signal is issued to the first vent valve；Blood pressure Value is the first pressure value or the second pressure value.

In the other embodiments of the application, processor is used to receive first pressure when pneumatic element inflates air bag The first pressure signal of sensor sending simultaneously calculates the first pressure value according to first pressure signal；After inflation, processor For issuing deflating signal to the first vent valve；

Processor is used to first deflating signal is issued to the second vent valve, the after pneumatic element inflates air bag During two vent valves are deflated, processor is for receiving the second pressure signal of second pressure sensor transmissions and according to second Pressure signal calculates the second pressure value；After processor calculates the second pressure value, deflating signal is issued to the first vent valve；And

Processor is used to calculate weighted average to the first pressure value and the second pressure value, obtains weighted average pressure value； Pressure value is weighted average pressure value.

In the other embodiments of the application, sphygmomanometer includes multiple blood pressure detecting units；Each blood pressure detecting unit First pressure value is calculated, processor is for seeking the first weighted average to multiple first pressure values；Or

Second pressure value is calculated in each blood pressure detecting unit, and processor is for seeking multiple second pressure values Second weighted average；Pressure value is the first weighted average or the second weighted average.

In the other embodiments of the application, sphygmomanometer includes multiple blood pressure detecting units；Processor is used for according to more Multiple weighted average pressure values that the information of a blood pressure detecting unit detection is calculated seek weighted average；Pressure value is weighting Average value.

In the other embodiments of the application, sphygmomanometer includes multiple blood pressure detecting units；Processor is used in charging portion When part inflates air bag, receives the first pressure signal that first pressure sensor issues and calculate first according to first pressure signal Pressure value；After inflation, processor is used to issue deflating signal to the first vent valve；

Processor is used to first deflating signal is issued to the second vent valve, the after pneumatic element inflates air bag During two vent valves are deflated, processor is for receiving the second pressure signal of second pressure sensor transmissions and according to second Pressure signal calculates the second pressure value；After processor calculates the second pressure value, deflating signal is issued to the first vent valve；

Multiple first pressure values that processor is used to that the information detected according to multiple blood pressure detecting units to be calculated are asked Weighted average obtains the first weighted average pressure value；Processor is used for the information detected according to multiple blood pressure detecting units Multiple second pressure values being calculated seek weighted average, obtain the second weighted average pressure value；And

Processor is used to seek weighted average to the first weighted average pressure value and the second weighted average pressure value；Pressure value For weighted average.

In the other embodiments of the application, sphygmomanometer includes two blood pressure detecting units.

In the other embodiments of the application, sphygmomanometer includes mode selection button, and mode selection button is connected to processing Device, the blood pressure detecting mode instruction generation blood pressure detecting mode signal that processor is used to select according to user, and by blood pressure detecting Mode signal is sent to blood pressure detecting unit；

Detection pattern signal when blood pressure detecting mode signal includes: inflation, detection pattern signal or inflation/deflation when deflating Detection pattern signal simultaneously.

Second aspect, the application provide a kind of technical solution:

A kind of blood pressure measuring method carries out blood pressure measurement using sphygmomanometer, and sphygmomanometer includes: at least one blood pressure detecting list Member and processor；Blood pressure detecting unit includes: air bag, pneumatic element, air pressure detection components, deflation valve group；Pneumatic element connects It is connected to the inlet port of air bag, deflation valve group is connected to the first outlet port of air bag；Air pressure detection components are connected to air bag；Gas Pressure detection components, pneumatic element, deflation valve group are connect with processor；

Pneumatic element is used to receive the inflation signal of processor sending and inflates to air bag；

Air pressure detection components are used to detect the pressure information in air bag, and pressure information is converted to pressure signal and is transmitted to Processor；

Deflation valve group includes the first vent valve and the second vent valve, and the latus rectum of the first vent valve is greater than the logical of the second vent valve Diameter；Deflation valve group is used to receive the deflating signal of processor sending, and deflates to air bag；

Processor calculates pressure value for receiving pressure signal, and according to pressure signal；

Blood pressure measuring method includes:

Pneumatic element receives the inflation signal that processor issues, and inflates to air bag；

Air pressure detection components detect the pressure information in air bag, and pressure information is converted to pressure signal and is transmitted to processing Device；

Deflation valve group receiving area manages the deflating signal that device issues, and deflates to air bag；

Processor receives pressure signal, and calculates pressure value according to pressure signal.

The blood pressure measuring method cooperates by using vent valve group, reduces in deflation course, and gas is flowed for air pressure The influence of detection improves the precision of blood pressure measurement.

In the other embodiments of the application, processor receives pressure signal, and calculates pressure value according to pressure signal Step includes: that the first pressure information that is detected during inflation according to air pressure detection components of processor is calculated One pressure value is exported the first pressure value as pressure value；Or

The second pressure information that processor detects during deflation according to air pressure detection components is calculated Two pressure values are exported the second pressure value as pressure value.

In the other embodiments of the application, processor receives pressure signal, and calculates pressure value according to pressure signal Step includes:

The first pressure information that processor detects during inflation according to air pressure detection components is calculated One pressure value；

The second pressure information that processor detects during deflation according to air pressure detection components is calculated Two pressure values；

Then, processor seeks weighted average to the first pressure value and the second blood pressure, obtains weighted average pressure value；Processing Device will be weighted and averaged pressure value and export as pressure value.

In the other embodiments of the application, sphygmomanometer includes multiple blood pressure detecting units, and blood pressure measuring method includes: every First pressure value is calculated in one blood pressure detecting unit, and processor seeks the first weighted average to multiple first pressure values Value, processor are exported the first weighted average as pressure value；Or

Second pressure value is calculated in each blood pressure detecting unit, and processor asks second to multiple second pressure values Weighted average, processor are exported the second weighted average as pressure value.

In the other embodiments of the application, sphygmomanometer includes multiple blood pressure detecting units, and blood pressure measuring method includes: place Multiple weighted average pressure values that the information detected according to multiple blood pressure detecting units is calculated in reason device seek weighted average； Processor is exported weighted average as pressure value.

In the other embodiments of the application, sphygmomanometer includes multiple blood pressure detecting units；Blood pressure measuring method includes: place Multiple first pressure values that the information detected according to multiple blood pressure detecting units is calculated in reason device seek weighted average, obtain First weighted average pressure value；Multiple second blood that the information detected according to multiple blood pressure detecting units is calculated in processor Pressure value seeks weighted average, obtains the second weighted average pressure value；Then, processor is to the first weighted average pressure value and second Weighted average pressure value seeks weighted average；Processor is exported weighted average as pressure value.

In the other embodiments of the application, each air pressure detection components include first pressure sensor and second pressure Sensor；First pressure sensor is connected to the gas path pipe between the first outlet port of air bag and deflation valve group；First pressure Air bag the first outlet port pressure information is converted to gas for detecting air bag the first outlet port pressure information by force snesor Capsule the first outlet port pressure signal is transmitted to processor；

Second pressure sensor is connected to the gas path pipe between the inlet port of air bag and pneumatic element；Second pressure passes Air bag inlet port pressure information is converted to air bag air inlet side pressure for detecting air bag inlet port pressure information by sensor Force signal is transmitted to processor；Air pressure detection components detect the step of first pressure information during inflation and include:

First pressure sensor detects the air bag at the gas path pipe between the first outlet port and deflation valve group of air bag First outlet port pressure information；

Air pressure detection components detect the step of second pressure information during deflation and include:

Second pressure sensor detects the air bag air inlet at the gas path pipe between the inlet port and pneumatic element of air bag Mouth side pressure force information.

In the other embodiments of the application, processor, which detects during inflation according to air pressure detection components, to be obtained The step of the first pressure value is calculated in first pressure information include:

Processor receives the first pressure signal that first pressure sensor issues and root when pneumatic element inflates air bag The first pressure value is calculated according to first pressure signal；After inflation, processor issues deflating signal to the first vent valve.

In the other embodiments of the application, processor, which detects during deflation according to air pressure detection components, to be obtained The step of the second pressure value is calculated in second pressure information include:

Processor first issues deflating signal to the second vent valve, puts second after pneumatic element inflates air bag During air valve is deflated, processor receives the second pressure signal of second pressure sensor transmissions and according to second pressure signal Calculate the second pressure value；After processor calculates the second pressure value, deflating signal is issued to the first vent valve.

The third aspect, the application provide a kind of technical solution:

A kind of sphygmomanometer, sphygmomanometer include: processor and at least one blood pressure detecting unit；

Blood pressure detecting unit includes: air bag, pneumatic element, vent valve and air pressure detection components；Pneumatic element is connected to The inlet port of air bag, vent valve are connected to the first outlet port of air bag；Air pressure detection components, pneumatic element, vent valve are equal It is connect with processor；

Air pressure detection components include at least two pressure sensors, at least one pressure sensor is connected to the air inlet of air bag Gas path pipe between mouth end and pneumatic element；At least one pressure sensor is used to detect air bag inlet port pressure information, And air bag inlet port pressure information is converted into air bag inlet port pressure signal and is transmitted to processor；At least one pressure passes Sensor is connected to the gas path pipe between the first outlet port of air bag and vent valve；At least one pressure sensor is for detecting Air bag the first outlet port pressure information, and air bag the first outlet port pressure information is converted into the first gas outlet of air bag side pressure Force signal is transmitted to processor；

Processor calculates pressure value for receiving pressure signal, and according to pressure signal.

The sphygmomanometer, air pressure detection components can choose in gas replenishment process measurement, measure in deflation course or charge and discharge Various modes are measured during gas simultaneously and carry out blood pressure measurement.Since second pressure sensor is mounted on air bag inlet port and fills On gas path pipe between gas component, therefore influence of the deflation course for second pressure sensor detection accuracy is lower, with The pressure value relative accuracy that the metrical information of two pressure sensors is calculated is improved.

Detailed description of the invention

Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.

Fig. 1 is the structural schematic diagram of the first sphygmomanometer provided by the embodiments of the present application, including an air bag and two gas Press detection components；

Fig. 2 is the structural schematic diagram of second of sphygmomanometer provided by the embodiments of the present application, including an air bag and a gas Press detection components；

Fig. 3 is the structural schematic diagram of the third sphygmomanometer provided by the embodiments of the present application, including an air bag and a gas Detection components are pressed, wherein the difference with Fig. 2 is, the setting position of air pressure detection components is different；

Fig. 4 is the structural schematic diagram of the 4th kind of sphygmomanometer provided by the embodiments of the present application, including two air bags and four gas Press detection components；

Fig. 5 is the structural schematic diagram of the 5th kind of sphygmomanometer provided by the embodiments of the present application, including an air bag and a gas Press detection components, wherein be that the installation site of air pressure detection components is different from the difference of Fig. 2；

Fig. 6 is the structural schematic diagram of the 6th kind of sphygmomanometer provided by the embodiments of the present application, including an air bag and two gas Detection components are pressed, and only include a vent valve.

Icon: 10- blood pressure detecting unit；101- first detection unit；102- second detection unit；11- air bag；113- First air bag；The second air bag of 114-；12- pneumatic element；The first air pump of 121-；The second air pump of 122-；13- air pressure detection components； 131- first pressure sensor；132- second pressure sensor；133- pressure sensor；14- deflation valve group；141- first deflates Valve；The second vent valve of 142-；15- gas path pipe；The first outlet port of 151-；The second outlet port of 152-；16- vent valve； 20- processor.

Specific embodiment

To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection It encloses.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the embodiment of the present application, it is to be understood that the orientation of the instructions such as term " on ", "inner" or position are closed System for be based on the orientation or positional relationship shown in the drawings or this application product using when the orientation usually put or position close The orientation or positional relationship that system or those skilled in the art usually understand is merely for convenience of description the application and simplification Description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, constructed and grasped with specific orientation Make, therefore should not be understood as the limitation to the application.

In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important Property.

In the description of the embodiment of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " installation ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary, It is also possible to be electrically connected.For the ordinary skill in the art, above-mentioned term can be understood in the application with concrete condition In concrete meaning.

Please refer to Fig. 1-5, the application embodiment provides a kind of sphygmomanometer comprising: blood pressure detecting unit 10 and Processor 20.Processor 20 receives at least one blood pressure detecting unit 10 and detects obtained information, and calculates pressure value output. The quantity of blood pressure detecting unit 10 can be one or more.

Blood pressure detecting unit 10 includes: air bag 11, pneumatic element 12, air pressure detection components 13 and deflation valve group 14.

Pneumatic element 12 is connected to the inlet port of air bag 11, and deflation valve group 14 is connected to the first outlet port of air bag 11 151.Air pressure detection components 13 are connected to air bag 11.Air pressure detection components 13, pneumatic element 12, deflation valve group 14 are and processor 20 connections.Processor 20 is used to receive the pressure signal of the transmission of air pressure detection components 13, and calculates blood pressure according to pressure signal Value.Pneumatic element 12 is used to receive the inflation signal of the sending of processor 20 and inflates to air bag 11.Air pressure detection components 13 are used for The pressure information in air bag 11 is detected, and pressure information is converted into pressure signal and is transmitted to processor 20.Deflation valve group 14 is wrapped The first vent valve 141 and the second vent valve 142 are included, the latus rectum of the first vent valve 141 is greater than the latus rectum of the second vent valve 142.It puts Air valve group 14 is used to receive the deflating signal of the sending of processor 20, and deflates to air bag 11.

It should be noted that above-mentioned air pressure detection components 13, pneumatic element 12, deflation valve group 14 pass through electric wire and place Device 20 is managed to connect.

In the application in other optional embodiments, air pressure detection components 13, pneumatic element 12, deflation valve group 14 It can be connect for example, by modes such as wireless connections with processor 20.

Sphygmomanometer common at present, when measuring blood pressure in deflation course, since common solenoid valve is promptly by air bag Interior gas releases, and gas, which quickly flows, has an impact the detection of pressure sensor.The processor of this sphygmomanometer uses The pressure value that oscillographic method general at present is calculated is stepped, and this stair-stepping pressure value, error is very big, therefore blood pressure The precision of measurement is lower.

And this sphygmomanometer provided by the embodiments of the present application, cooperate due to using latus rectum deflation valve group 14 of different sizes It deflates, when deflation course carries out air pressure detection, is slowly deflated, dropped using lesser second vent valve 142 of latus rectum Low gas flow rates improve precision so that reducing gas flows the interference measured for pressure sensor.It is put due to this The characteristics of air valve group 14, so that processor 20 is not finally stepped pressure value using the pressure value that oscillographic method is calculated, But linear pressure value, and then greatly improve the precision of detection.

Specifically, slowly deflated when releasing phase carries out air pressure detection using the second vent valve 142, it is to be processed After device 20 calculates pressure value, then opens the first vent valve 141 and all discharge the gas in air bag 11.Due in blood pressure measurement During, in deflation course, gas is slowly, to be discharged relatively uniformly always, therefore for the air pressure in air bag Influence it is smaller, thus reduce as air pressure release caused by error, improve the precision of detection.

It should be noted that latus rectum refers to the size in the channel in valve body that gas passes through.Second vent valve 142 latus rectum is less than the latus rectum of the first vent valve 141, i.e. the gas flow that the second vent valve passes through in 142 unit time is less than The gas flow that one vent valve passes through in 141 unit time.Only opening the speed that the second vent valve 142 is deflated in this way can be lower than Only open the speed that the first vent valve 141 is deflated.

Further, the first outlet port 151 of air bag 11 is connected with multiple gas path pipes 15, and these gas path pipes 15 is in parallel.The first vent valve 141 is provided at least one gas path pipe 15.Second is provided at least one gas path pipe 15 Vent valve 142, and the quantity for the second vent valve 142 being arranged is at least one.Due to the first vent valve 141 and the second vent valve 142 be to be arranged in parallel, and therefore, during deflation, be can choose through the gas path pipe 15 where the first vent valve 141 Deflate or is deflated using the gas path pipe 15 where the second vent valve 142.

In the illustrated embodiment, there are two gas path pipes 15 in parallel for the first outlet port 151 connection of air bag 11. The first vent valve 141 is provided on one of gas path pipe 15；The second vent valve is provided on another gas path pipe 15 142.During deflation, it can choose and open the first vent valve 141, the gas path pipe 15 where the first vent valve 141 It realizes the deflation to air bag 11 or opens the second vent valve 142, carried out from the gas path pipe 15 where the second vent valve 142 It deflates.

Further, above-mentioned air pressure detection components 13 include first pressure sensor 131 and second pressure sensor 132。

First pressure sensor 131 is connected to the gas circuit between the first outlet port 151 of air bag 11 and deflation valve group 14 Pipeline 15；First pressure sensor 131 goes out air bag 11 first for detecting 11 first outlet port pressure information of air bag Port side pressure force information is converted to 11 first outlet port pressure signal of air bag and is transmitted to processor 20.

Second pressure sensor 132 is connected to the gas path pipe 15 between the inlet port of air bag 11 and pneumatic element 12； Second pressure sensor 132 turns for detecting 11 inlet port pressure information of air bag, and by 11 inlet port pressure information of air bag It is changed to 11 inlet port pressure signal of air bag and is transmitted to processor 20.

It should be noted that above-mentioned first pressure sensor 131 and second pressure sensor 132 can choose ability The pressure sensor, such as the pressure sensor of MPS-500G model etc. of the common model in domain.

In other optional embodiments of the application, above-mentioned air pressure detection components 13, which also can choose, is only set as one It is a.Referring to Fig. 2, such as the gas that air pressure detection components 13 can be arranged between the first outlet port 151 and deflation valve group 14 Road pipeline 15.Alternatively, the gas circuit pipe between inlet port and pneumatic element 12 is arranged in air pressure detection components 13 referring to Fig. 3 Road 15.

Optionally, pneumatic element 12 above-mentioned selects inflator pump.First vent valve 141 and the second vent valve 142 select electricity Magnet valve.

Further, in some embodiments of the application, sphygmomanometer includes a blood pressure detecting unit 10.Processor 20 Pressure value is calculated for receiving the pressure signal of the transmission of air pressure detection components 13, and according to pressure signal.Processor 20 is used for When pneumatic element 12 inflates air bag 11, the first pressure signal that first pressure sensor 131 issues is received and according to the first pressure Force signal calculates the first pressure value；After inflation, processor 20 is used to issue deflating signal to the first vent valve 141.Place Device 20 is managed to export the first pressure value as final pressure value.

In the embodiment show in figure 1, pneumatic element 12 is inflated air bag 11 first, during inflation, the Two pressure sensors 132 detect the pressure information at 11 gas outlet of air bag, and 11 inlet pressure information of air bag is converted to pressure Force signal is transmitted to processor 20, and processor 20 receives the pressure signal and calculates the first pressure value, which is Final pressure value.After inflating, processor 20 issues the signal deflated, and the first vent valve 141 is quickly by air bag 11 Gas discharges.

In the process, since pneumatic element 12 is during deflation, the first pressure value of measurement is from air bag 11 The first pressure information at gas path pipe 15 at gas outlet, gas replenishment process, air-flow is for the gas circuit pipe at 11 gas outlet of air bag The influence in road 15 is smaller, therefore, in gas replenishment process, presses using from first at the gas path pipe 15 at 11 gas outlet of air bag Force information calculates the first pressure value, can be improved the precision of measurement, shadow of the air-flow for pressure in air bag 11 when reducing inflation It rings.

In some embodiments of the application, processor 20 is used for after pneumatic element 12 inflates air bag 11, first Deflating signal is issued to the second vent valve 142, during the second vent valve 142 is deflated, processor 20 is for receiving second The second pressure signal of the transmission of pressure sensor 132 simultaneously calculates the second pressure value according to second pressure signal；Processor 20 calculates Out after the second pressure value, deflating signal is issued to the first vent valve 141；Pressure value is the first pressure value or the second pressure value.

In the embodiment show in figure 1, pneumatic element 12 is inflated air bag 11 first, after inflating, processing Device 20 first issues deflating signal to the second vent valve 142, so that the second vent valve 142 is slowly deflated.In the mistake of deflation Cheng Zhong, processor 20 issue detection signal to second pressure sensor 132, and second pressure sensor 132 detects 11 air inlet of air bag The second pressure information at gas path pipe 15 at mouthful, and second pressure information is converted into pressure signal, it is transferred to processor 20.Processor 20 calculates the second pressure value according to second pressure signal, and exports the second pressure value as final pressure value.

In the process, since pneumatic element 12 is during deflation, the second pressure value of measurement is from air bag 11 The second pressure information at gas path pipe 15 at air inlet, deflation course, air-flow is for the gas circuit pipe at 11 air inlet of air bag The influence in road 15 is smaller, therefore, in deflation course, presses using from second at the gas path pipe 15 at 11 air inlet of air bag Force information calculates the second pressure value, can be improved the precision of measurement, reduces the influence deflated for pressure in air bag 11.More Importantly, slowly deflating during deflation using the second vent valve 142, while measuring second pressure letter Breath carries out Rapid degassing after processor 20 calculates the second pressure value, then using the first vent valve 141, significantly reduces When deflation, since gas is quickly flowed to pressure bring error in air bag 11.And then it improves in deflation course, blood pressure measurement Precision.

In some embodiments of the application, processor 20 is used to receive the when pneumatic element 12 inflates air bag 11 The first pressure signal of one pressure sensor 131 sending simultaneously calculates the first pressure value according to first pressure signal；Terminate in inflation Afterwards, processor 20 is used to issue deflating signal to the first vent valve 141.Then, processor 20 is used in 12 pairs of gas of pneumatic element After capsule 11 is inflated, deflating signal first is issued to the second vent valve 142, during the second vent valve 142 is deflated, processing Device 20 is used to receive the second pressure signal of the transmission of second pressure sensor 132 and calculates the second blood pressure according to second pressure signal Value；After processor 20 calculates the second pressure value, deflating signal is issued to the first vent valve 141.Finally, processor 20 is used for Weighted average is calculated to the first pressure value and the second pressure value, obtains weighted average pressure value, pressure value is weighted average blood Pressure value.

It should be noted that weight is when processor 20 calculates weighted average to the first pressure value and the second pressure value Selection setting according to the actual needs.For example, the first pressure value and the second pressure value weight having the same can be preset； Either different weights can be assigned to the first pressure value or the second pressure value in advance；Or it can be by processor 20 according to inspection The precise degrees of received detection signal assign different detection process different weights during survey.

In the embodiment show in figure 1, pneumatic element 12 is inflated air bag 11 first, during inflation, the Two pressure sensors 132 detect the pressure information at 11 gas outlet of air bag, and 11 inlet pressure information of air bag is converted to pressure Force signal is transmitted to processor 20, and processor 20 receives the pressure signal and calculates the first pressure value.After inflating, processing Device 20 issues the signal deflated, and processor 20 first issues deflating signal to the second vent valve 142, so that the second vent valve 142 is slow Slowly deflate.During deflation, processor 20 issues detection signal, second pressure to second pressure sensor 132 Sensor 132 detects the second pressure information at the gas path pipe 15 at 11 air inlet of air bag, and second pressure information is converted For pressure signal, it is transferred to processor 20.Processor 20 calculates the second pressure value according to second pressure signal.Then, processor 20 pair of first pressure value and the second pressure value calculate weighted average, obtain weighted average pressure value, and will be weighted and averaged blood pressure Value is exported as pressure value.

In the process, realize it is inflatable and deflatable during, while measuring blood pressure.Then to being measured in gas replenishment process The second pressure value measured in first pressure value and deflation course seeks weighted average, and using weighted average as final blood The output of pressure value.By then seeking weighted average, improving the accurate of data to inflatable and deflatable difference measuring blood pressure value in the process Degree.

In some embodiments of the present application, sphygmomanometer includes multiple blood pressure detecting units 10.Processor 20 is used for root Weighted average is sought according to multiple weighted average pressure values that the information that multiple blood pressure detecting units 10 detect is calculated；Pressure value For weighted average.

In some embodiments of the present application, sphygmomanometer includes multiple blood pressure detecting units 10.Each blood pressure detecting list First pressure value is calculated in member 10, and processor 20 is for seeking the first weighted average to multiple first pressure values；Or Second pressure value is calculated in each blood pressure detecting unit 10, and processor 20 is for asking second to multiple second pressure values Weighted average；Pressure value is the first weighted average or the second weighted average.

In some embodiments of the present application, sphygmomanometer includes multiple blood pressure detecting units 10；Processor 20 is used for root Weighted average is sought according to multiple weighted average pressure values that the information that multiple blood pressure detecting units 10 detect is calculated；Pressure value For weighted average.

In some embodiments of the present application, sphygmomanometer includes multiple blood pressure detecting units 10.Processor 20 is in charging portion When part 12 inflates air bag 11, the first pressure signal that first pressure sensor 131 issues is received and according to first pressure signal Calculate the first pressure value；After inflation, processor 20 issues deflating signal to the first vent valve 141；And processor 20 Multiple first pressure values that the information detected according to multiple blood pressure detecting units 10 is calculated seek weighted average, obtain One weighted average pressure value.Then, processor 20 is after pneumatic element 12 inflates air bag 11, first to the second vent valve 142 issue deflating signal, and during the second vent valve 142 is deflated, processor 20 receives second pressure sensor 132 and passes Defeated second pressure signal simultaneously calculates the second pressure value according to second pressure signal；After processor 20 calculates the second pressure value, Deflating signal, and 20 pairs of information meters detected according to multiple blood pressure detecting units 10 of processor are issued to the first vent valve 141 Obtained multiple second pressure values seek weighted average, obtain the second weighted average pressure value.Finally, processor 20 is to One weighted average pressure value and the second weighted average pressure value seek weighted average, and using weighted average as final blood pressure Value output.

In the embodiment that Fig. 4 shows, sphygmomanometer includes two blood pressure detecting units 10.Respectively first detection unit 101 With second detection unit 102.Wherein, the air bag 11 of first detection unit 101 is named as the first air bag 113, and pneumatic element 12 is ordered Entitled first air pump 121.The air bag 11 of second detection unit 102 is named as the second air bag 114, and pneumatic element 12 is named as second Air pump 122.The sphygmomanometer is named as double bolloon sphygmomanometer.

There are three types of blood pressure measurement modes for double bolloon sphygmomanometer tool.Respectively descending manner blood pressure measurement, ascending manner blood pressure are surveyed Amount and the compound blood pressure measurement of descending manner+ascending manner.Three kinds of blood pressure measurement modes that the double bolloon sphygmomanometer provides can be use A variety of measurements are brought to experience in family.User can according to different needs (demand, comfort demand for experience including precision etc.) Select different measurement patterns.Descending manner blood pressure measurement can only be provided or ascending manner blood pressure is surveyed relative to common currently on the market The monosaccate sphygmomanometer of amount, double bolloon sphygmomanometer provided in this embodiment are capable of providing a variety of measurement patterns, meet user's difference Measurement demand, and use double bolloon, weighted average calculated for the pressure value that measures under the same mode of two air bags, Further increase detection accuracy.

Specifically, the double bolloon sphygmomanometer works in this way when user selects descending manner blood pressure measurement mode:

First detection unit 101 and second detection unit 102 are run simultaneously.First air pump 121 fills the first air bag 113 After gas, processor 20 first issues deflating signal to the second vent valve 142 of first detection unit 101, in the second vent valve During 142 slowly deflate, processor 20 receives the second of the transmission of second pressure sensor 132 of first detection unit 101 Pressure signal simultaneously calculates the second pressure value according to second pressure signal；After processor 20 calculates the second pressure value, to the first inspection The first vent valve 141 for surveying unit 101 issues deflating signal, and the first vent valve 141 rapidly releases the gas in the first air bag 113 It discharges.Similarly, after the second air pump 122 is to the inflation of the second air bag 114, processor 20 is first to second detection unit 102 Second vent valve 142 issues deflating signal, and during the second vent valve 142 is slowly deflated, processor 20 receives the second inspection It surveys the second pressure signal of the transmission of second pressure sensor 132 of unit 102 and the second blood pressure is calculated according to second pressure signal Value；After processor 20 calculates the second pressure value, deflating signal is issued to the first vent valve 141 of second detection unit 102, First vent valve 141 rapidly releases the gas in the first air bag 113.Finally, processor 20 seeks two the second pressure values Weighted average (i.e. the second weighted average), and using the weighted average as final pressure value as the descending manner of user Pressure value output.

When user selects ascending manner blood pressure measurement mode, which works in this way:

First detection unit 101 and second detection unit 102 are run simultaneously.First air pump 121 fills the first air bag 113 When gas, first pressure signal that the first pressure sensor 131 that processor 20 receives first detection unit 101 issues and according to the One pressure signal calculates the first pressure value；After inflation, first vent valve of the processor 20 to first detection unit 101 141 issue deflating signal, and the first vent valve 141 quickly all discharges the gas in the first air bag 113.Similarly, the second gas When 122 pair of second air bag 114 of pump is inflated, the first pressure sensor 131 that processor 20 receives second detection unit 102 is issued First pressure signal and according to first pressure signal calculate the first pressure value；After inflation, processor 20 is examined to second The first vent valve 141 for surveying unit 102 issues deflating signal, and the first vent valve 141 is quickly by the gas in the second air bag 114 All release.Finally, processor 20 seeks weighted average (i.e. the first weighted average) to two the first pressure values and adds this Ascending manner pressure value of the weight average value as final pressure value as user exports.

When user selects descending manner+ascending manner compound blood pressure measurement mode, which works in this way:

First detection unit 101 and second detection unit 102 are run simultaneously.First air pump 121 fills the first air bag 113 When gas, first pressure signal that the first pressure sensor 131 that processor 20 receives first detection unit 101 issues and according to the One pressure signal calculates the first pressure value；Similarly, when the second air pump 122 inflates the second air bag 114, processor 20 receives the The first pressure signal of the sending of first pressure sensor 131 of two detection units 102 simultaneously calculates first according to first pressure signal Pressure value；Then, processor 20 calculates the first weighted average pressure value of two the first pressure values；

After the inflation of the first air bag 113, processor 20 is first sent out to the second vent valve 142 of first detection unit 101 Deflating signal out, during the second vent valve 142 is slowly deflated, processor 20 receives the second of first detection unit 101 The second pressure signal of the transmission of pressure sensor 132 simultaneously calculates the second pressure value according to second pressure signal；Processor 20 calculates Out after the second pressure value, deflating signal is issued to the first vent valve 141 of first detection unit 101, the first vent valve 141 is rapidly Gas in first air bag 113 is released.Similarly, after the second air bag 114 is inflated, processor 20 is first to the second inspection The second vent valve 142 for surveying unit 102 issues deflating signal, during the second vent valve 142 is slowly deflated, processor 20 Receive the second pressure signal of the transmission of second pressure sensor 132 of second detection unit 102 and according to second pressure signal meter Calculate the second pressure value；After processor 20 calculates the second pressure value, issued to the first vent valve 141 of second detection unit 102 Deflating signal, the first vent valve 141 rapidly release the gas in the second air bag 114.Then, processor 20 calculates two Second weighted average pressure value of the second pressure value.

Finally, processor 20 seeks weighted average to the first weighted average pressure value and the second weighted average pressure value, and Using the weighted average as final pressure value as the compound pressure value output of descending manner+ascending manner of user.

Further, the sphygmomanometer that the application embodiment provides includes mode selection button, mode selection button connection In processor 20, the blood pressure detecting mode instruction that processor 20 is used to be selected according to user generates blood pressure detecting mode signal, and Blood pressure detecting mode signal is sent to blood pressure detecting unit 10.Detection pattern is believed when blood pressure detecting mode signal includes: inflation Number, deflate when detection pattern signal or inflation/deflation simultaneously detection pattern signal.User passes through pressing mode selection button With selection inflation when detection pattern, deflate when detection pattern or inflation/deflation simultaneously detection pattern.

In some embodiments of the application, above-mentioned mode selection button includes three, each case is all connected to locate Device 20 is managed, the corresponding detection pattern of each case is provided with mark on each key, and user can pass through pressing pair The key of mode is answered to select corresponding blood pressure measurement mode.

In the application others embodiment, above-mentioned mode selection button includes one, and the number of pressing keys represents Different modes, such as press detection pattern signal when the key once represents inflation；Press the key once represent deflation when Detection pattern signal；It presses the key and represents inflation/deflation detection pattern signal simultaneously three times.User can be by pressing the mode The number of selection key selects different blood pressure detecting modes.

It should be noted that above-mentioned mode selection button can be mounted in the key on sphygmomanometer, it is also possible to Virtual key when touch screen on sphygmomanometer display screen.

In some embodiments of the application, sphygmomanometer is in the compound blood pressure measurement mode of descending manner+ascending manner, processing Device 20 is different for the calculation of the pressure value of final output.Specifically, the sphygmomanometer includes multiple blood pressure detecting units 10；Processor 20 is used for multiple weighted average pressure values that the information detected according to multiple blood pressure detecting units 10 is calculated Seek weighted average；Pressure value is weighted average.

By taking two blood pressure detecting units 10 as an example, referring to Fig. 4, the compound blood pressure measurement of descending manner+ascending manner of the sphygmomanometer When mode, which works in this way:

First detection unit 101 and second detection unit 102 are run simultaneously.First air pump 121 fills the first air bag 113 When gas, first pressure signal that the first pressure sensor 131 that processor 20 receives first detection unit 101 issues and according to the One pressure signal calculates the first pressure value；Similarly, when the second air pump 122 inflates the second air bag 114, processor 20 receives the The first pressure signal of the sending of first pressure sensor 131 of two detection units 102 simultaneously calculates first according to first pressure signal Pressure value；

After the inflation of the first air bag 113, processor 20 is first sent out to the second vent valve 142 of first detection unit 101 Deflating signal out, during the second vent valve 142 is slowly deflated, processor 20 receives the second of first detection unit 101 The second pressure signal of the transmission of pressure sensor 132 simultaneously calculates the second pressure value according to second pressure signal；Processor 20 calculates Out after the second pressure value, deflating signal is issued to the first vent valve 141 of first detection unit 101, the first vent valve 141 is rapidly Gas in first air bag 113 is released.Similarly, after the second air bag 114 is inflated, processor 20 is first to the second inspection The second vent valve 142 for surveying unit 102 issues deflating signal, during the second vent valve 142 is slowly deflated, processor 20 Receive the second pressure signal of the transmission of second pressure sensor 132 of second detection unit 102 and according to second pressure signal meter Calculate the second pressure value；After processor 20 calculates the second pressure value, issued to the first vent valve 141 of second detection unit 102 Deflating signal, the first vent valve 141 rapidly release the gas in the second air bag 114.

When processor 20 calculates final output pressure value, the first pressure value for first obtaining first detection unit 101 and the Two pressure values calculate the first weighted average, then the first pressure value and the second pressure value meter that second detection unit 102 is obtained The second weighted average is calculated, finally, the first weighted average and the second weighted average are sought weighted average, which is put down Descending manner+ascending manner compound pressure value output of the mean value as final pressure value as user.

In some embodiments of the application, referring to Fig. 5, each blood pressure detecting unit 10 only includes a pressure Sensor.Specifically, the air pressure detection components 13 of each blood pressure detecting unit 10 include first pressure sensor 131.Gas Capsule 11 has the second outlet port, and first pressure sensor 131 is connected to the second outlet port 152 and processor 20 of air bag 11 Between gas path pipe 15；First pressure sensor 131 is for detecting 11 second outlet port pressure information of air bag, and by air bag 11 second outlet port pressure informations are converted to 11 second outlet port pressure signal of air bag and are transmitted to processor 20.

Referring to Fig. 5, by taking a blood pressure detecting unit 10 as an example.The first pressure sensor 131 of first detection unit 101 is logical It crosses gas path pipe 15 and is directly connected in the first air bag 113 and processor 20, therefore, whether under modes of inflation, or deflate Under mode, the testing result of first pressure sensor 131, by gas flowing influenced it is all smaller, thus, it is also possible to improve inspection Survey precision.

Some embodiments of the application provide a kind of blood pressure measuring method, carry out blood pressure measurement, blood pressure using sphygmomanometer Meter includes: at least one blood pressure detecting unit and processor；Blood pressure detecting unit includes: air bag, pneumatic element, air pressure detection Component, deflation valve group；Pneumatic element is connected to the inlet port of air bag, and deflation valve group is connected to the first outlet port of air bag； Air pressure detection components are connected to air bag；Air pressure detection components, pneumatic element, deflation valve group are connect with processor；

Blood pressure measuring method includes:

S1, pneumatic element receive the inflation signal that processor issues, and inflate to air bag.

Pressure information in S2, air pressure detection components detection air bag, and pressure information is converted into pressure signal and is transmitted to Processor.

Further, each air pressure detection components include first pressure sensor and second pressure sensor；

First pressure sensor is connected to the gas path pipe between the first outlet port of air bag and deflation valve group；First pressure Air bag the first outlet port pressure information is converted to gas for detecting air bag the first outlet port pressure information by force snesor Capsule the first outlet port pressure signal is transmitted to processor；

Second pressure sensor is connected to the gas path pipe between the inlet port of air bag and pneumatic element；Second pressure passes Air bag inlet port pressure information is converted to air bag air inlet side pressure for detecting air bag inlet port pressure information by sensor Force signal is transmitted to processor；

Air pressure detection components detect the step of first pressure information during inflation and include:

S3, processor receive pressure signal, and calculate pressure value according to pressure signal.

Further, the first pressure information meter that processor detects during inflation according to air pressure detection components Calculation obtains the step of the first pressure value and includes:

Further, the second pressure information meter that processor detects during deflation according to air pressure detection components Calculation obtains the step of the second pressure value and includes:

In some embodiments, when sphygmomanometer includes a blood pressure detecting unit, processor receives pressure signal, and The step of calculating pressure value according to pressure signal includes: that processor is detected during inflation according to air pressure detection components and obtained First pressure information the first pressure value is calculated, using the first pressure value as pressure value export；Or

In some embodiments, when sphygmomanometer includes a blood pressure detecting unit, processor receives pressure signal, and Include: according to the step of pressure signal calculating pressure value

In some embodiments, when sphygmomanometer includes multiple blood pressure detecting units, each blood pressure detecting unit meter Calculation obtains first pressure value, and processor seeks the first weighted average to multiple first pressure values, and processor is weighted first Average value is exported as pressure value.

In some embodiments, when sphygmomanometer includes multiple blood pressure detecting units, each blood pressure detecting unit meter Calculation obtains second pressure value, and processor seeks the second weighted average to multiple second pressure values, and processor is weighted second Average value is exported as pressure value.

In some embodiments, when sphygmomanometer includes multiple blood pressure detecting units, processor is to according to multiple blood pressures Multiple weighted average pressure values that the information of detection unit detection is calculated seek weighted average；Processor is by weighted average It is exported as pressure value.

In some embodiments, when sphygmomanometer includes multiple blood pressure detecting units, processor is to according to multiple blood pressures Multiple first pressure values that the information of detection unit detection is calculated seek weighted average, obtain the first weighted average blood pressure Value；Multiple second pressure values that the information detected according to multiple blood pressure detecting units is calculated in processor seek weighted average Value, obtains the second weighted average pressure value；

Then, processor seeks weighted average to the first weighted average pressure value and the second weighted average pressure value；Processing Device is exported weighted average as pressure value.

The deflating signal that S4, deflation valve group receiving area reason device issue, and deflate to air bag.

Further, deflation valve group deflates to air bag, is the deflating signal issued according to processor, selects the first vent valve Or second vent valve deflate.

Embodiment further provides a kind of sphygmomanometers by the application some, and refering to Fig. 6, which includes: processor 20 And at least one blood pressure detecting unit 10.

Further, blood pressure detecting unit 10 includes: air bag 11, pneumatic element 12, vent valve 16 and air pressure detection group Part 13；Pneumatic element 12 is connected to the inlet port of air bag 11, and vent valve 16 is connected to the first outlet port of air bag 11；Air pressure Detection components 13, pneumatic element 12, vent valve 16 are connect with processor 20.

Pneumatic element 12 is used to receive the inflation signal of the sending of processor 20 and inflates to air bag 11.

Air pressure detection components 13 include at least two pressure sensors 133, at least one pressure sensor 133 is connected to gas Gas path pipe 15 between the inlet port and pneumatic element 12 of capsule 11；At least one pressure sensor 133 is for detecting air bag 11 inlet port pressure informations, and 11 inlet port pressure information of air bag is converted into the transmission of 11 inlet port pressure signal of air bag To processor 20；At least one pressure sensor 133 is connected to the gas between the first outlet port of air bag 11 and vent valve 16 Road pipeline 15；At least one pressure sensor 133 is for detecting 11 first outlet port pressure information of air bag, and by air bag 11 the One outlet port pressure information is converted to 11 first outlet port pressure signal of air bag and is transmitted to processor 20.

Processor 20 calculates pressure value for receiving pressure signal, and according to pressure signal.

The sphygmomanometer, processor 20 receives pressure signal, and can be used according to the mode that pressure signal calculates pressure value Any one calculation that aforementioned embodiments provide.

The sphygmomanometer, by improving according to the measurement position of the pressure sensor of different location under different modes, is selected The measurement precision of blood pressure.

By taking a blood pressure detecting unit 10 as an example, referring to Fig. 6, the sphygmomanometer is in aeration phase, due at least one pressure Force snesor 133 is mounted on the gas path pipe 15 between the first outlet port of air bag 11 and vent valve 16, therefore is inflated Influence of the process for 133 detection accuracy of pressure sensor at the position is lower, with the pressure sensor 133 at the position The pressure value relative accuracy that is calculated of metrical information be improved.In releasing phase, due at least one pressure sensor 133 are mounted on the gas path pipe 15 between 11 inlet port of air bag and pneumatic element 12, therefore deflation course is for the position The influence of 133 detection accuracy of pressure sensor at place is lower, is calculated with the metrical information of the pressure sensor 133 at the position To pressure value relative accuracy be improved.The foregoing is merely preferred embodiment of the present application, it is not limited to this Application, for those skilled in the art, various changes and changes are possible in this application.It is all in spirit herein and original Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this application.

Claims

1. a kind of sphygmomanometer characterized by comprising processor and at least one blood pressure detecting unit；

The blood pressure detecting unit includes:

Air bag, pneumatic element, air pressure detection components and deflation valve group；

The pneumatic element is connected to the inlet port of the air bag, and the deflation valve group is connected to the first outlet of the air bag Mouth end；The air pressure detection components are connected to the air bag；The air pressure detection components, the pneumatic element, the vent valve Group is connected to the processor；

The pneumatic element is used to receive the inflation signal that the processor issues and inflates to the air bag；

The air pressure detection components are used to detect the pressure information in the air bag, and the pressure information is converted to pressure letter Number it is transmitted to the processor；

The deflation valve group includes the first vent valve and the second vent valve, and the latus rectum of first vent valve is greater than described second and puts The latus rectum of air valve；The deflation valve group is used to receive the deflating signal that the processor issues, and deflates to the air bag；

The processor calculates pressure value for receiving the pressure signal, and according to the pressure signal.

2. sphygmomanometer according to claim 1, which is characterized in that

First outlet port of the air bag is connected with the gas path pipe of multiple parallel connections；

First vent valve is provided at least one described gas path pipe；

Second vent valve is provided at least one described gas path pipe, and the quantity for second vent valve being arranged is At least one.

3. sphygmomanometer according to claim 2, which is characterized in that there are two simultaneously for the first outlet port connection of the air bag The gas path pipe of connection；

First vent valve is provided on one of them described gas path pipe；

Second vent valve is provided on another described gas path pipe.

4. sphygmomanometer according to claim 1, which is characterized in that

The air pressure detection components include first pressure sensor and second pressure sensor；

The first pressure sensor is connected to the gas circuit pipe between the first outlet port of the air bag and the deflation valve group Road；The first pressure sensor is for detecting air bag the first outlet port pressure information, and by first gas outlet of air bag Side pressure force information is converted to air bag the first outlet port pressure signal and is transmitted to the processor；

The second pressure sensor is connected to the gas path pipe between the inlet port of the air bag and the pneumatic element；Institute Second pressure sensor is stated to convert for detecting air bag inlet port pressure information, and by the air bag inlet port pressure information The processor is transmitted to for air bag inlet port pressure signal.

5. sphygmomanometer according to claim 1, which is characterized in that

The air pressure detection components include first pressure sensor；The air bag has the second outlet port；

The first pressure sensor is connected to the gas path pipe between the second outlet port of the air bag and the processor； The first pressure sensor is for detecting air bag the second outlet port pressure information, and by second gas outlet of air bag side pressure Force information is converted to air bag the second outlet port pressure signal and is transmitted to the processor.

6. sphygmomanometer according to claim 4, which is characterized in that

The processor is used for when the pneumatic element inflates the air bag, receives what the first pressure sensor issued First pressure signal simultaneously calculates the first pressure value according to the first pressure signal；After inflation, the processor is used for Deflating signal is issued to first vent valve；Or

The processor is used for after the pneumatic element inflates the air bag, is first put to second vent valve sending Gas signal, during second vent valve is deflated, the processor is for receiving the second pressure sensor transmissions Second pressure signal and according to the second pressure signal calculate the second pressure value；The processor calculates second blood After pressure value, the first vent valve of Xiang Suoshu issues deflating signal；The pressure value is first pressure value or second blood Pressure value.

7. sphygmomanometer according to claim 4, which is characterized in that

The processor is used for when the pneumatic element inflates the air bag, receives what the first pressure sensor issued First pressure signal simultaneously calculates the first pressure value according to the first pressure signal；After inflation, the processor is used for Deflating signal is issued to first vent valve；

The processor is used for after the pneumatic element inflates the air bag, is first put to second vent valve sending Gas signal, during second vent valve is deflated, the processor is for receiving the second pressure sensor transmissions Second pressure signal and according to the second pressure signal calculate the second pressure value；The processor calculates second blood After pressure value, the first vent valve of Xiang Suoshu issues deflating signal；And

The processor is used to calculate weighted average to first pressure value and second pressure value, is weighted and averaged Pressure value；

The pressure value is the weighted average pressure value.

8. sphygmomanometer according to claim 6, which is characterized in that

The sphygmomanometer includes multiple blood pressure detecting units；Each described blood pressure detecting unit is calculated one described first Pressure value, the processor is for seeking the first weighted average to multiple first pressure values；Or

Second pressure value is calculated in each described blood pressure detecting unit, and the processor is used for multiple described Second pressure value seeks the second weighted average；

The pressure value is first weighted average or second weighted average.

9. sphygmomanometer according to claim 7, which is characterized in that

The sphygmomanometer includes multiple blood pressure detecting units；The processor is used to examine to according to the multiple blood pressure detecting unit Multiple weighted average pressure values that the information of survey is calculated seek weighted average；

The pressure value is the weighted average.

10. sphygmomanometer according to claim 4, which is characterized in that

The sphygmomanometer includes multiple blood pressure detecting units；

The processor is used for after the pneumatic element inflates the air bag, is first put to second vent valve sending Gas signal, during second vent valve is deflated, the processor is for receiving the second pressure sensor transmissions Second pressure signal and according to the second pressure signal calculate the second pressure value；The processor calculates second blood After pressure value, the first vent valve of Xiang Suoshu issues deflating signal；

The processor be used for the information detected according to the multiple blood pressure detecting unit is calculated multiple described first Pressure value seeks weighted average, obtains the first weighted average pressure value；The processor is used to examine to according to the multiple blood pressure It surveys multiple second pressure values that the information that unit detects is calculated and seeks weighted average, obtain the second weighted average blood pressure Value；And

The processor is used to seek weighted average to the first weighted average pressure value and the second weighted average pressure value Value；

The pressure value is the weighted average.

11. sphygmomanometer according to claim 6 or 7, which is characterized in that

The sphygmomanometer includes two blood pressure detecting units.

12. sphygmomanometer according to claim 6 or 7, which is characterized in that

The sphygmomanometer includes mode selection button, and the mode selection button is connected to the processor, and the processor is used Blood pressure detecting mode signal is generated in the blood pressure detecting mode instruction that selects according to user, and by the blood pressure detecting mode signal It is sent to the blood pressure detecting unit；

Detection pattern signal when the blood pressure detecting mode signal includes: inflation, detection pattern signal or inflation/deflation when deflating Detection pattern signal simultaneously.

13. a kind of blood pressure measuring method, which is characterized in that carry out blood pressure measurement using sphygmomanometer, the sphygmomanometer includes: at least One blood pressure detecting unit and processor；The blood pressure detecting unit includes: air bag, pneumatic element, air pressure detection components, puts Air valve group；The pneumatic element is connected to the inlet port of the air bag, and the deflation valve group is connected to the first of the air bag Outlet port；The air pressure detection components are connected to the air bag；The air pressure detection components, described are put at the pneumatic element Air valve group is connected to the processor；

The processor calculates pressure value for receiving the pressure signal, and according to the pressure signal；

The blood pressure measuring method includes:

The pneumatic element receives the inflation signal that the processor issues, and inflates to the air bag；

The air pressure detection components detect the pressure information in the air bag, and the pressure information is converted to pressure signal and is passed Transport to the processor；

The deflation valve group receives the deflating signal that the processor issues, and deflates to the air bag；

The processor receives the pressure signal, and calculates pressure value according to the pressure signal.

14. blood pressure measuring method according to claim 13, which is characterized in that

The processor receives the pressure signal, and the step of calculating pressure value according to the pressure signal includes: the place It manages device and the first blood pressure is calculated according to the first pressure information that the air pressure detection components detect during inflation Value, exports using first pressure value as the pressure value；Or

The processor is calculated according to the second pressure information that the air pressure detection components detect during deflation To the second pressure value, exported using second pressure value as the pressure value.

15. blood pressure measuring method according to claim 13, which is characterized in that

The processor receives the pressure signal, and the step of calculating pressure value according to the pressure signal includes:

The first pressure information that the processor detects during inflation according to the air pressure detection components, calculates To the first pressure value；

The second pressure information that the processor detects during deflation according to the air pressure detection components, calculates To the second pressure value；

Then, the processor seeks weighted average to first pressure value and second blood pressure, obtains weighted average blood Pressure value；The processor is exported using the weighted average pressure value as the pressure value.

16. blood pressure measuring method according to claim 14, which is characterized in that

The sphygmomanometer includes multiple blood pressure detecting units, and the blood pressure measuring method includes:

First pressure value is calculated in each described blood pressure detecting unit, and the processor is to multiple described first Pressure value seeks the first weighted average, and the processor is exported using first weighted average as the pressure value；Or

Second pressure value is calculated in each described blood pressure detecting unit, and the processor is to multiple described second Pressure value seeks the second weighted average, and the processor is exported using second weighted average as the pressure value.

17. blood pressure measuring method according to claim 15, which is characterized in that

Multiple weighted averages that the information detected according to the multiple blood pressure detecting unit is calculated in the processor Pressure value seeks weighted average；

The processor is exported the weighted average as the pressure value.

18. blood pressure measuring method according to claim 15, which is characterized in that

The sphygmomanometer includes multiple blood pressure detecting units；The blood pressure measuring method includes:

Multiple first blood pressures that the information detected according to the multiple blood pressure detecting unit is calculated in the processor Value seeks weighted average, obtains the first weighted average pressure value；The processor is examined to according to the multiple blood pressure detecting unit Multiple second pressure values that the information of survey is calculated seek weighted average, obtain the second weighted average pressure value；

Then, the processor seeks weighted average to the first weighted average pressure value and the second weighted average pressure value Value；The processor is exported the weighted average as the pressure value.

19. blood pressure measuring method according to claim 14 or 15, which is characterized in that

Each air pressure detection components include first pressure sensor and second pressure sensor；

The first pressure sensor is connected to the gas circuit pipe between the first outlet port of the air bag and the deflation valve group Road；The first pressure sensor is for detecting air bag the first outlet port pressure information, and by first gas outlet of air bag Side pressure force information is converted to air bag the first outlet port pressure signal and is transmitted to processor；

The second pressure sensor is connected to the gas path pipe between the inlet port of the air bag and the pneumatic element；Institute Second pressure sensor is stated to convert for detecting air bag inlet port pressure information, and by the air bag inlet port pressure information Processor is transmitted to for air bag inlet port pressure signal；The air pressure detection components detect described first during inflation The step of pressure information includes:

The first pressure sensor detects the gas path pipe between the first outlet port of the air bag and the deflation valve group The air bag the first outlet port pressure information at place；

The air pressure detection components detect the step of second pressure information during deflation and include:

The second pressure sensor detects at the gas path pipe between the inlet port of the air bag and the pneumatic element The air bag inlet port pressure information.

20. blood pressure measuring method according to claim 19, which is characterized in that

The processor is calculated according to the first pressure information that the air pressure detection components detect during inflation Include: to the step of the first pressure value

The processor receives the first pressure sensor issues first when the pneumatic element inflates the air bag Pressure signal simultaneously calculates the first pressure value according to the first pressure signal；After inflation, the processor is to described One vent valve issues deflating signal.

21. blood pressure measuring method according to claim 19, which is characterized in that

The processor is calculated according to the second pressure information that the air pressure detection components detect during deflation Include: to the step of the second pressure value

The processor first issues letter of deflating to second vent valve after pneumatic element inflates the air bag Number, during second vent valve is deflated, the processor receives the second pressure of the second pressure sensor transmissions Force signal simultaneously calculates the second pressure value according to the second pressure signal；After the processor calculates second pressure value, Deflating signal is issued to first vent valve.

22. a kind of sphygmomanometer, which is characterized in that the sphygmomanometer includes: processor and at least one blood pressure detecting unit；

The blood pressure detecting unit includes: air bag, pneumatic element, vent valve and air pressure detection components；The pneumatic element connects It is connected to the inlet port of the air bag, the vent valve is connected to the first outlet port of the air bag；The air pressure detection group Part, the pneumatic element, the vent valve are connected to the processor；

The air pressure detection components include at least two pressure sensors, at least one described pressure sensor is connected to the gas Gas path pipe between the inlet port of capsule and the pneumatic element；At least one described pressure sensor for detect air bag into Port side pressure force information, and the air bag inlet port pressure information is converted into air bag inlet port pressure signal and is transmitted to place Manage device；At least one described pressure sensor is connected to the gas circuit between the first outlet port of the air bag and the vent valve Pipeline；At least one described pressure sensor is for detecting air bag the first outlet port pressure information, and by the air bag first Outlet port pressure information is converted to air bag the first outlet port pressure signal and is transmitted to processor；