CN207866423U - A kind of novel Medical Devices pressure calibration system - Google Patents
A kind of novel Medical Devices pressure calibration system Download PDFInfo
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- CN207866423U CN207866423U CN201820077434.5U CN201820077434U CN207866423U CN 207866423 U CN207866423 U CN 207866423U CN 201820077434 U CN201820077434 U CN 201820077434U CN 207866423 U CN207866423 U CN 207866423U
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Abstract
A kind of novel Medical Devices pressure calibration system, the pressure calibration system include master controller, air pump, sealing container, pressure sensor, pressure calibration interface, and air pump communication seals container provides stable air pressure for sealing container；Also there is the sealing container pressure calibration interface, the pressure calibration interface to be used for being connected to equipment to be calibrated；Pressure sensor is connected to sealing container, monitors the pressure size in sealing container；The on/off of main controller controls air pump and pressure calibration interface.Pressure calibration system involved by the utility model, it is provided using air pump and stablizes air pressure source, system carries out calibration procedure automatically, it treats calibrator (-ter) unit and carries out pressure calibration, efficient, stability is good, and precision is high, the calibration detection process of each range ability and precision can be realized by the multigroup sensor configured simultaneously, while more differences or identical equipment can also be calibrated.
Description
【Technical field】
The utility model is related to the air pressure calibration systems in pressure calibration system more particularly to Medical Devices.
【Background technology】
Pressure calibration is widely used general, especially lung ventilator, Anesthesia machine, sphygmomanometer, oxygenerator etc. in Medical Devices
Equipment.Existing such as above-mentioned medical instrument is mostly to use analog pressure sensor, and analog pressure sensor, which has, to be rung
Answer that speed is fast, output accuracy is high, lower-cost advantage.Apply analog pressure sensor instrument just need production,
All pressure system is calibrated when repair, inspection, especially production link, traditional pressure calibration pattern are：Execute equipment
On calibration function, calibration personnel be the external pressure gauge of equipment, then use pump device（It is manual or electronic）It is pumped
It gas and calibrates, time of whole process is long, efficiency is low, exists simultaneously the error in subjective judgement, according to surveying principle, needs
It wants repeated measurement and counts that subjective error could be reduced in range to a certain degree.And especially more original manual pump gas
Device can not accurately keep the stabilization of pressure, be easy shake and generate calibration error.
【Invention content】
The utility model proposes that a kind of prover time is short, efficient, stability is good, precision is high for case above
Medical Devices pressure calibration system.The system has independent air pump and sensor, can treat calibrator (-ter) unit and carry out entirely certainly
Dynamic calibration, while can also pressure calibration be carried out to multiple equipment simultaneously.
A kind of novel Medical Devices pressure calibration system, which is characterized in that the pressure calibration system include master controller,
Air pump, sealing container, pressure sensor, pressure calibration interface,
Air pump communication seals container provides stable air pressure for sealing container；
The sealing container has communications ports, docks pressure calibration interface, which is used for setting with to be calibrated
Standby connection；
Pressure sensor is connected to sealing container, monitors the pressure size in sealing container；
The on/off of main controller controls air pump and pressure calibration interface；
Master controller is equipped with multiple data collection terminal mouths, acquires port including pressure sensor data and data are logical
Port is interrogated, wherein sensor data acquisition port is connected with pressure sensor, and data communication port is connected with communication module group.
The air pump includes one or above gas pressure pump, when comprising two or more air pumps, then minimum packet
Containing a force (forcing) pump and a vacuum and negative pressure pump.
Gas valve is equipped between force (forcing) pump and sealing container and between vacuum and negative pressure pump and sealing container, the gas
Body valve is non-return valve.
A gas connection port is additionally provided in sealing container, which docks rapid escape valve.
The pressure sensor includes one or more than one multiple pressure sensor, by combining multiple ranges and precision
Different sensor, to meet the system of different alignment requirements.
It is first pressure sensor and second pressure sensor respectively, first pressure passes when pressure sensor includes two
Sensor is high pressure sensor, and pressure measurement range representative value is 1bar, and second pressure sensor is low-pressure sensor,
Pressure measurement range representative value is positive and negative 100mbar.
The communication module group includes wireless communication module and wire communication module, and wherein wireless communication module includes Ethernet mould
Block, bluetooth module and Wi-Fi module, and wire communication module is communicated comprising USB, RS232, RS48 data line.
The Medical Devices pressure calibration system further includes touch screen and liquid crystal display, and master controller is separately connected the touch
Shield the signal input part of signal output end and liquid crystal display.
Its method calibrated includes the following steps：
Step 1: the pressure calibration interface by system is docked to equipment to be calibrated；
Step 2: master controller starts vacuum and negative pressure pump carries out vacuum degree control to sealing container, start force (forcing) pump to close
It seals container and carries out over-pressure control, and both use closed-loop control；
Step 3: setting calibration point determines the value for needing to calibrate according to the range of equipment to be calibrated；
Step 4: carrying out automatic calibration procedure according to the calibration of user setting uplink or downlink calibration, i.e. sealing container carries
The pressure value of the pressure of confession from small to large/run and calibrate one time from big to small.
Uplink calibration refers to that after system is selected uses uplink calibrating mode, calibration system is given tacit consent to from default threshold value
Start, pressure is adjusted to initiate calibration enabled instruction after default threshold value by calibration system, and default by calibration interface submitting
Pressure shown in threshold value, equipment acceptance presupposition starting point duty pressure to be calibrated, and record the ADC preset corresponding to starting point duty pressure
Value, calibration system enters next calibration point, and control pressure stabilization sends calibration points after the calibration point by main controller
According to record order, be calibrated ADC value of the equipment according to the command record pressure calibration point pressure, and so on arrive maximum pressure point
After by calibration system send calibration terminate order.
Downlink is calibrated, similar with uplink calibration, and since pressure being calibrated the Pressure maximum value of equipment to minimum value, simultaneously
Negative pressure numerical value can be calibrated to downlink.
A kind of Medical Devices pressure calibration system is identical to more/the distinct device method that is carried out at the same time calibration, this method
It needs to use novel Medical Devices pressure calibration system, which includes master controller, force (forcing) pump, negative pressure of vacuum
Pump, sealing container, pressure sensor, pressure calibration interface, rapid escape valve,
Force (forcing) pump is connected to by the first non-return valve with sealing container gas circuit；
Sealing container keeps gas circuit to be connected to by the second non-return valve with vacuum and negative pressure pump；
There are two communications ports for the sealing container, dock pressure calibration interface and rapid escape valve respectively；
Pressure sensor is connected to sealing container, monitors the pressure size in sealing container；
The start and stop of main controller controls vacuum and negative pressure pump, force (forcing) pump and rapid escape valve；
Master controller is equipped with multiple data collection terminal mouths, acquires port including pressure sensor data and data are logical
Port is interrogated, wherein sensor data acquisition port is connected with pressure sensor, and data communication port is connected with communication module group；
The external bus-bar on the pressure calibration interface, the bus-bar can dock multiple outlets with an entrance, each
One equipment to be calibrated of outlet；
Master controller collectively forms normal pressure controlling unit, control sealing with force (forcing) pump, rapid escape valve, pressure sensor
Target positive pressure in container, system carry out auto-calibration according to calibration flow set by user, and pressure calibration system passes through logical
News Hub interfaces/wireless blue tooth/RS232/USB interfaces are connect with more device talks to be calibrated, and the calibration interface of system passes through remittance
Stream comb keeps gas circuit to be connected with equipment to be calibrated, is calibrated, and needs the atmospheric pressure value calibrated according to every equipment to be calibrated
Difference, master controller are kept in communication with equipment to be calibrated by communication module group and are connected to, when reaching what equipment to be calibrated needed to calibrate
Atmospheric pressure value then sends out specific duty pressure by calibration interface and bus-bar, and equipment to be calibrated receives specific duty pressure, and recording should
ADC values corresponding to specific duty pressure.
Pressure calibration system involved by the utility model is provided using air pump and stablizes air pressure source, and system carries out automatically
Calibration procedure treats calibrator (-ter) unit and carries out pressure calibration, and efficient, stability is good, and precision is high, while multigroup by what is configured
Sensor can realize the calibration detection process of each range ability and precision, while can also be to more differences or identical equipment
It is calibrated.
【Description of the drawings】
Fig. 1 is the gas circuit block diagram of Medical Devices pressure calibration system involved by the utility model；
Fig. 2 is the control system frame diagram of Medical Devices pressure calibration system involved by the utility model；
Fig. 3 is the frame that Medical Devices pressure calibration system calibrates equipment how to be calibrated involved by the utility model
Figure；
【Specific implementation mode】
Below in conjunction with the utility model the drawings and specific embodiments novel Medical Devices a kind of to the utility model
Pressure calibration system is described in further detail.
Attached drawing 1 is please referred to, is shown the gas circuit frame diagram of the system, a kind of novel doctor involved by the utility model
Treat equipment pressure calibration system, which is characterized in that the pressure calibration system includes master controller, air pump, sealing container, pressure biography
Sensor, pressure calibration interface,
Air pump communication seals container provides stable air pressure for sealing container；
The sealing container has communications ports, docks pressure calibration interface, which is used for setting with to be calibrated
Standby connection；
Pressure sensor is connected to sealing container, monitors the pressure size in sealing container；
The on/off of main controller controls air pump and pressure calibration interface；
Master controller is equipped with multiple data collection terminal mouths, acquires port including pressure sensor data and data are logical
Port is interrogated, wherein sensor data acquisition port is connected with pressure sensor, and data communication port is connected with communication module group.
The air pump includes one or above gas pressure pump, when comprising two or more air pumps, then minimum packet
Containing a force (forcing) pump and a vacuum and negative pressure pump.As shown in Fig. 1, system contains a force (forcing) pump and a negative pressure of vacuum
Pump, is equipped with gas valve, the gas valve between force (forcing) pump and sealing container and between vacuum and negative pressure pump and sealing container
For non-return valve.It is equipped with the first non-return valve between force (forcing) pump and sealing container, the is equipped between sealing container and vacuum and negative pressure pump
Two non-return valves.
A gas connection port is additionally provided in sealing container, which docks rapid escape valve.Quickly
Air bleeding valve is used to that the atmospheric pressure value for reaching system requirements quickly for the gas in sealing container to be discharged.
The pressure sensor includes one or more than one multiple pressure sensor, by combining multiple ranges and precision
Different sensor, to meet the system of different alignment requirements.According to actual calibration needs, multiple pressure sensings can be set
Device is the equal of the precision calibrated according to the range ability of equipment to be calibrated and needs to select suitable pressure sensor.
In a particular embodiment, it is first pressure sensor and second pressure respectively that we, which have selected two pressure sensors,
Sensor, first pressure sensor are high pressure sensors, and pressure measurement range representative value is 1bar, and second pressure sensor
It is low-pressure sensor, pressure measurement range representative value is positive and negative 100mbar.
The communication module group includes wireless communication module and wire communication module, and wherein wireless communication module includes Ethernet mould
Block, bluetooth module and Wi-Fi module, and wire communication module is communicated comprising USB, RS232, RS48 data line.
The Medical Devices pressure calibration system further includes touch screen and liquid crystal display, and master controller is separately connected the touch
Shield the signal input part of signal output end and liquid crystal display.
A kind of Medical Devices pressure calibration system, including master controller, force (forcing) pump, vacuum and negative pressure pump, sealing container, pressure
Sensor, pressure calibration interface, rapid escape valve,
Force (forcing) pump is connected to by the first non-return valve with sealing container gas circuit, and sealing container side is led in gas circuit direction by force (forcing) pump
To；
Sealing container keeps gas circuit to communicate by the second non-return valve with vacuum and negative pressure pump, and gas circuit direction is led to by sealing container
Vacuum and negative pressure pump direction；
There are two communications ports for the sealing container, dock pressure calibration interface and rapid escape valve respectively；
Pressure sensor is connected to sealing container, monitors the pressure size in sealing container；
The start and stop of main controller controls vacuum and negative pressure pump, force (forcing) pump and rapid escape valve；
Master controller is equipped with multiple data collection terminal mouths, acquires port including pressure sensor data and data are logical
Port is interrogated, wherein sensor data acquisition port is connected with pressure sensor, and data communication port is connected with communication module group；
Its method calibrated includes the following steps：
Step 1: the pressure calibration interface by system is docked to equipment to be calibrated；
Step 2: master controller starts vacuum and negative pressure pump carries out vacuum degree control to sealing container, start force (forcing) pump to close
It seals container and carries out over-pressure control, and both use closed-loop control；
Step 3: threshold value and calibration point are preset in setting, according to the range of equipment to be calibrated, the value for needing to calibrate is determined；
Step 4: carry out uplink calibration or the automatic calibration procedure of downlink calibration progress respectively according to user setting, i.e., it is close
Envelope container provide pressure pressure value from small to large/run and calibrate one time from big to small.
Uplink therein calibration refers to, when system it is selected using uplink calibrating mode after, system default is from default threshold value
Start, when pressure is adjusted to pressure shown in default threshold value size by calibration system, initiates calibration enabled instruction, connect by calibration
Mouth, which is sent out, presets starting point duty pressure, equipment acceptance presupposition starting point duty pressure to be calibrated, and records and preset corresponding to starting point duty pressure
ADC values after, into next calibration point, and control pressure stabilization sends the calibration point data after the calibration point by main controller
Record order, be calibrated ADC value of the equipment according to the command record pressure calibration point pressure, and so on arrive maximum pressure point knot
Calibration is sent by calibration system after beam and terminates order.
In general calibration process, default threshold value can be set at 0 point, naturally it is also possible to be that negative pressure or positive pressure value are made
To preset starting point.
Downlink is calibrated, similar with uplink calibration, and since pressure being calibrated the Pressure maximum value of equipment to minimum value, simultaneously
Negative pressure numerical value can be calibrated to downlink.
Attached drawing 1 is please referred to attached drawing 3, is combined together the gas circuit frame for showing novel medical device pressure calibration system
And circuit control principle framework, and give Medical Devices pressure calibration system it is identical to more/distinct device is carried out at the same time
The method of calibration, this method need to use novel Medical Devices pressure calibration system, which includes main control
Device, force (forcing) pump, vacuum and negative pressure pump, sealing container, pressure sensor, pressure calibration interface, rapid escape valve,
Force (forcing) pump is connected to by the first non-return valve with sealing container gas circuit；
Sealing container keeps gas circuit to communicate by the second non-return valve with vacuum and negative pressure pump；
There are two communications ports for the sealing container, dock pressure calibration interface and rapid escape valve respectively；
Pressure sensor is connected to sealing container, monitors the pressure size in sealing container；
The start and stop of main controller controls vacuum and negative pressure pump, force (forcing) pump and rapid escape valve；
Master controller is equipped with multiple data collection terminal mouths, acquires port including pressure sensor data and data are logical
Port is interrogated, wherein sensor data acquisition port is connected with pressure sensor, and data communication port is connected with communication module group；
The external bus-bar on the pressure calibration interface, the bus-bar can dock multiple outlets with an entrance, each
One equipment to be calibrated of outlet；
Master controller collectively forms normal pressure controlling unit, control sealing with force (forcing) pump, rapid escape valve, pressure sensor
Target positive pressure in container, system carry out auto-calibration according to calibration flow set by user, and pressure calibration system passes through logical
News Hub interfaces/wireless blue tooth/RS232/USB interfaces are connect with more device talks to be calibrated, and the calibration interface of system passes through remittance
Stream comb keeps gas circuit to be connected with equipment to be calibrated, is calibrated, and needs the atmospheric pressure value calibrated according to every equipment to be calibrated
Difference, master controller are kept in communication with equipment to be calibrated by communication module group and are connected to, when reaching what equipment to be calibrated needed to calibrate
Atmospheric pressure value then sends out specific duty pressure by calibration interface and bus-bar, and equipment to be calibrated receives specific duty pressure, and recording should
ADC values corresponding to specific duty pressure.
Uplink calibration or downlink calibration can be carried out according to the setting of system, is arranged as required to corresponding calibration point,
Pressure calibration system steadily provides calibration and needs pressure, and is detected by pressure sensor, and equipment to be calibrated is connect by communication
Port transmission corresponding data realizes the process of calibration one by one to the master controller of pressure calibration system.
The above is only the utility model preferred embodiment, is not made in any form to the utility model
Limitation, although the utility model is disclosed above with preferred embodiment, is not limited to the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, is done when using the technology contents of the disclosure above
Go out a little change or be modified to the equivalent embodiments of equivalent variations, as long as be without departing from the content of the technical scheme of the utility model, according to
Refer to that this reality is belonged to any simple modification, equivalent change and modification made by above example according to the utility model technology
In the range of new technique scheme.
Claims (9)
1. a kind of novel Medical Devices pressure calibration system, which is characterized in that the pressure calibration system includes master controller, gas
Pump, sealing container, pressure sensor, pressure calibration interface,
Air pump communication seals container provides stable air pressure for sealing container；
The sealing container has communications ports, docks pressure calibration interface, which is used for connecting with equipment to be calibrated
It is logical；
Pressure sensor is connected to sealing container, monitors the pressure size in sealing container；
The on/off of main controller controls air pump and pressure calibration interface；
Master controller is equipped with multiple data collection terminal mouths, and port and data communication terminal are acquired including pressure sensor data
Mouthful, wherein sensor data acquisition port is connected with pressure sensor, and data communication port is connected with communication module group.
2. novel Medical Devices pressure calibration system according to claim 1, which is characterized in that the air pump include one or
The more than one gas pressure pump of person, when comprising two or more air pumps, then minimum includes that a force (forcing) pump and one are true
Idling press pump.
3. novel Medical Devices pressure calibration system according to claim 2, which is characterized in that force (forcing) pump and sealing container
Between and vacuum and negative pressure pump and sealing container between be equipped with gas valve.
4. novel Medical Devices pressure calibration system according to claim 3, which is characterized in that the gas valve is check
Valve.
5. novel Medical Devices pressure calibration system according to claim 1, which is characterized in that also set in sealing container
There are one gas connection port, which docks rapid escape valve.
6. novel Medical Devices pressure calibration system according to claim 1, which is characterized in that the pressure sensor includes
One or more than one multiple pressure sensor, the sensor different with precision by combining multiple ranges, to meet difference
The system of alignment requirements.
7. novel Medical Devices pressure calibration system according to claim 6, which is characterized in that when pressure sensor includes
Two, be first pressure sensor and second pressure sensor respectively, and first pressure sensor is high pressure sensor, and pressure is surveyed
Amount range representative value is 1bar, and second pressure sensor is low-pressure sensor, and pressure measurement range representative value is positive and negative
100mbar。
8. novel Medical Devices pressure calibration system according to claim 1, which is characterized in that the communication module group includes nothing
Line communication module and wire communication module, wherein wireless communication module include ethernet module, bluetooth module and Wi-Fi module,
And wire communication module is communicated comprising USB, RS232, RS48 data line.
9. novel Medical Devices pressure calibration system according to claim 1, which is characterized in that the Medical Devices pressure school
Barebone further includes touch screen and liquid crystal display, and master controller is separately connected the touch screen signal output end and liquid crystal display
Signal input part.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061619A (en) * | 2018-01-17 | 2018-05-22 | 深圳世格赛思医疗科技有限公司 | A kind of method that new Medical Devices pressure calibration system and the system are calibrated |
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2018
- 2018-01-17 CN CN201820077434.5U patent/CN207866423U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061619A (en) * | 2018-01-17 | 2018-05-22 | 深圳世格赛思医疗科技有限公司 | A kind of method that new Medical Devices pressure calibration system and the system are calibrated |
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Address after: 518000 A307, 3rd floor, Sojia Science Park Complex Building, Sanwei Community, Hangcheng Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Segsais Medical Technology Co., Ltd. Address before: 518000 A307, 3rd floor, Sojia Science Park Complex Building, Sanwei Community, Hangcheng Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen world Gesaisi Medical Technology Co Ltd |