CN202654131U - Lung functional tester - Google Patents
Lung functional tester Download PDFInfo
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- CN202654131U CN202654131U CN 201220170083 CN201220170083U CN202654131U CN 202654131 U CN202654131 U CN 202654131U CN 201220170083 CN201220170083 CN 201220170083 CN 201220170083 U CN201220170083 U CN 201220170083U CN 202654131 U CN202654131 U CN 202654131U
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model provides a lung functional tester, which comprises a micro vacuum pump, a flow sensor, a carbon dioxide sensor, an oxygen sensor, a power supply, a gas input channel and a gas exhaust channel, wherein the input channel is communicated with the input port of the micro vacuum pump; the input port of the carbon dioxide sensor is communicated with the output port of the micro vacuum pump through a connecting channel; the output port of the carbon dioxide sensor is communicated with the input port of the oxygen sensor through another connecting channel; the output port of the oxygen sensor is communicated with the gas exhaust channel; the flow sensor is positioned in the gas input channel; and the power supply is connected with the micro vacuum pump, the carbon dioxide sensor and the oxygen sensor, and is used for supplying power to the micro vacuum pump, the carbon dioxide sensor and the oxygen sensor. The lung functional tester provided by the utility model has the beneficial effects of simple structure and contribution to producing and manufacturing.
Description
Technical field
This utility model relates to tester, relates in particular to spirometer.
Background technology
As everyone knows, spirometer is for the inspection to the human body cardio-pulmonary function, and forced vital capacity (FVC), tranquillization vital capacity (VC), maximal voluntary ventilation (MVV) and tranquillization ventilation (MV) are the important indicators that checks human body pulmonary function health.Present spirometer complex structure is unfavorable for manufacturing.
The utility model content
In order to solve the problems of the prior art, this utility model provides a kind of spirometer.
This utility model provides a kind of spirometer, comprise minipump, flow transducer, carbon dioxide sensor, oxygen sensor, power supply, gas input passage, the gas passing away, described input channel is connected with described minipump input port, described carbon dioxide sensor input port is connected by a connection channel with described minipump delivery outlet, described carbon dioxide sensor delivery outlet is connected by another interface channel with described oxygen sensor input port, described oxygen sensor delivery outlet is connected with described gas passing away, described flow transducer is positioned at described gas input passage, described power supply respectively with described minipump, described carbon dioxide sensor, described oxygen sensor links to each other, and be its power supply.
As further improvement of the utility model, this spirometer also comprises humiture probe and the Temperature Humidity Sensor that links to each other with described humiture probe, and described power supply links to each other, also is its power supply with described Temperature Humidity Sensor.
As further improvement of the utility model, described passing away is that throttling is around pipe.
As further improvement of the utility model, described power supply comprises voltage regulation of voltage regulation power supply, supply socket, DC decompression module, signaling module, described voltage regulation of voltage regulation power supply links to each other with described supply socket, and described supply socket links to each other with described signaling module with described DC decompression module respectively.
As further improvement of the utility model, described humiture probe is provided with drainage screen.
The beneficial effects of the utility model are: spirometer of the present utility model is simple in structure, is beneficial to the manufacturing.
Description of drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
The specific embodiment
As shown in Figure 1, the utility model discloses a kind of spirometer, comprise minipump 8, flow transducer 9, carbon dioxide sensor 7, oxygen sensor 5, power supply 4, gas input passage 1, gas passing away 6, described input channel 1 is connected with described minipump 8 input ports, described carbon dioxide sensor 7 input ports are connected by a connection channel with described minipump 8 delivery outlets, described carbon dioxide sensor 7 delivery outlets are connected by another interface channel with described oxygen sensor 5 input ports, described oxygen sensor 5 delivery outlets are connected with described gas passing away 6, described flow transducer 9 is positioned at described gas input passage 1, described power supply 4 respectively with described minipump 8, described carbon dioxide sensor 7, described oxygen sensor 5 links to each other, and be its power supply.
This spirometer also comprise humiture probe 2 and with described humiture probe 2 Temperature Humidity Sensors that link to each other 3, described power supply 4 links to each other with described Temperature Humidity Sensor 3, also is its power supply.
Described passing away 6 for throttling around pipe, this throttling is around manage the throttling boosting, the gas slowly discharge.
As shown in Figure 2, described power supply 4 comprises voltage regulation of voltage regulation power supply 41, supply socket 42, DC decompression module 44, signaling module 43, described voltage regulation of voltage regulation power supply 41 links to each other with described supply socket 42, and described supply socket 42 links to each other with described signaling module 43 with described DC decompression module 44 respectively.This power supply 4 is sensor and minipump 8 supply 12V or 24V power supplys.
Described humiture probe 2 is provided with drainage screen.The concentration of carbon dioxide in carbon dioxide sensor 7 measurement gas.The concentration of oxygen in oxygen sensor 5 measurement gas.
Minipump 8 forms the certain vacuum degree, the flow transducer 9 of breathing out in testee's motor process, and the ventilation of gas measured, output digit signals is to PCI2300 XS1 interface; Flow into carbon dioxide sensor 7, the carbon dioxide in gas amount of 7 pairs of inflows of carbon dioxide sensor is measured again, and output digit signals is to PCI2300 XS1 interface; Then flow into oxygen sensor 5, amount of oxygen was measured during oxygen sensor 5 was worked to gas under the signaling module power supply, output digit signals is to PCI2300 XS1 interface, humiture probe 2 gathers gas and imports Temperature Humidity Sensor 3 into, the gas of 3 pairs of collections of Temperature Humidity Sensor carries out humiture to be measured, and output digit signals is to PCI2300 XS1 interface.
Spirometer of the present utility model mainly is comprised of flow transducer 9, minipump 8, carbon dioxide sensor 7, oxygen sensor 5, Temperature Humidity Sensor 3, power supply 4 and computer system.Flow transducer 9 can carry out online flow measurement to gas wherein, and the response time only needs 6ms soon, and low power consuming only needs 60mw; Built-in VM6503 minipump 8, final vacuum＜65kPa has extremely strong suction capactity, and continuous sucking gas to be detected has been guaranteed the seriality of detection limit to sensor, has realized measuring the gas in the acting motor process; Again 7 pairs of carbon dioxide sensors wherein the gas concentration lwevel of gas measure, carbon dioxide sensor 7 adopts the NDIR infrared techniques, has guaranteed stability and the precision of sensor, has the water, shock function; Then 5 pairs of oxygen sensors wherein the oxygen concentration of gas measure, oxygen sensor 5 adopts solid electrolytes, good stability, the recipient is not to restriction, output advances the excess temperature compensation, measurement error is little; The throttling of flowing through of last detected gas is discharged from from the lung function instrument around pipe, and throttling has increased the pressure of detected gas around pipe, has reduced simultaneously flow, has stoped the inflow of atmospheric gas to disturb and guaranteed the stability of sensor measurement; Also be built-in with Temperature Humidity Sensor 3 in the lung function instrument, this humiture probe 2 adopts the drainage screen design, reduces the error of wind speed to measuring, and precision is high, dustproof and waterproof.The humiture of measuring converts benchmark under the standard state to as respiratory capacity, has measured simultaneously the breathing entropy, has considered the also oxygen consumption of oxygen debt part, makes the operation oxygen consumption that calculates more accurate.The power supply of employing adjustable stabilized voltage supply has guaranteed the stability of measurement and the service life of instrument, and flow transducer 9, carbon dioxide sensor 7, oxygen sensor 5 and Temperature Humidity Sensor 3 all are that data acquisition is convenient and simple take digital signal as output simultaneously.
The data signal of each sensor measurement is all exported with digital signal, directly input data collecting card, in computer, show, minipump 8 has been guaranteed the vacuum of instrument, can measure the continuous dynamic data of expiration amount in testee's motor process, oxygen consumption, carbon dioxide generating amount, the humiture of built-in Temperature Humidity Sensor 3 measurement standard states is that the data of measurement are more accurate.This spirometer is mainly used in the evaluation of researching and analysing of labor intensity.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. spirometer, it is characterized in that: comprise minipump (8), flow transducer (9), carbon dioxide sensor (7), oxygen sensor (5), power supply (4), gas input passage (1), gas passing away (6), described input channel (1) is connected with described minipump (8) input port, described carbon dioxide sensor (7) input port is connected by a connection channel with described minipump (8) delivery outlet, described carbon dioxide sensor (7) delivery outlet is connected by another interface channel with described oxygen sensor (5) input port, described oxygen sensor (5) delivery outlet is connected with described gas passing away (6), described flow transducer (9) is positioned at described gas input passage (1), described power supply (4) respectively with described minipump (8), described carbon dioxide sensor (7), described oxygen sensor (5) links to each other, and be its power supply.
2. spirometer according to claim 1, it is characterized in that: this spirometer also comprises humiture probe (2) and the Temperature Humidity Sensor (3) that links to each other with described humiture probe (2), and described power supply (4) links to each other, also is its power supply with described Temperature Humidity Sensor (3).
3. spirometer according to claim 2 is characterized in that: described passing away (6) for throttling around pipe.
4. spirometer according to claim 3, it is characterized in that: described power supply (4) comprises voltage regulation of voltage regulation power supply (41), supply socket (42), DC decompression module (44), signaling module (43), described voltage regulation of voltage regulation power supply (41) links to each other with described supply socket (42), and described supply socket (42) links to each other with described signaling module (43) with described DC decompression module (44) respectively.
5. spirometer according to claim 4 is characterized in that: described humiture probe (2) is provided with drainage screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220170083 CN202654131U (en) | 2012-04-20 | 2012-04-20 | Lung functional tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220170083 CN202654131U (en) | 2012-04-20 | 2012-04-20 | Lung functional tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202654131U true CN202654131U (en) | 2013-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220170083 Expired - Lifetime CN202654131U (en) | 2012-04-20 | 2012-04-20 | Lung functional tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202654131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109310367A (en) * | 2016-06-06 | 2019-02-05 | 通用电气公司 | Newborn respiration monitors system and method |
-
2012
- 2012-04-20 CN CN 201220170083 patent/CN202654131U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109310367A (en) * | 2016-06-06 | 2019-02-05 | 通用电气公司 | Newborn respiration monitors system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |
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| CX01 | Expiry of patent term |