CN2410625Y

CN2410625Y - Total flow digital display device for oxygen humidifying cylinder

Info

Publication number: CN2410625Y
Application number: CN 00222481
Authority: CN
Inventors: 李明康
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-13
Filing date: 2000-03-13
Publication date: 2000-12-13
Anticipated expiration: 2010-03-13

Abstract

The utility model relates to a total flow digital display device for an oxygen humidifying bottle. The problem of oxygen consumption measurement for a patient in hospital can not be solved. The existing oxygen humidifying bottle is only provided with a float-type flowmeter without flow accumulation. The utility model is composed of the oxygen humidifying bottle, the float-type flowmeter, an oxygen infusion guide pipe, an oxygen flow adjusting valve, a cumulative flow display device, etc. The utility model is characterized in that the total flow digital display device for an oxygen humidifying bottle is provided with a six-way valve, an upper section and a lower section humidifying bottles which are arranged on a valve body, a pressure transmission mechanism composed of a pressure difference transducer and a pressure difference forming mechanism. The pressure transmission mechanism is connected between an oxygen gas inlet channel pipe and an outlet channel pipe of the valve body. The utility model has the advantages of simple structure, low cost, accurate measurement, real-time display, cumulative metered flow, convenient monitoring and management, etc. The utility model is suitable for popularization and application.

Description

Oxygen humidification bottle integrated flow digital display device

The utility model relates to a kind of measurement mechanism of medical oxygen flow, and definitely saying so a kind of is measuring sensor with the differential pressure pickup, medical oxygen humidification bottle integrated flow numeric display unit.

For a long time, China hospital that patient is consumed oxygen cumulative measurement problem is unresolved always.This problem causes the charge difficulty, and hospital and patient easily produce contradiction.On the domestic existing oxygen humidification bottle float type flow meter is only arranged, can only show the moment flow velocity roughly, can not integrated flow.Again because of external medical oxygen generally is free of charge, so there is not corresponding product on the market.More domestic enterprises once attempted to address this problem, but because of technical scheme is improper, all not successes.

The purpose of this utility model is: overcome the shortcoming of existing float type flow meter, be convenient to guard and manage for the user of hospital provides a kind of, not only can measure the oxygen real-time traffic but also can measure the oxygen humidification bottle integrated flow digital display device of integrated flow.

Goal of the invention of the present utility model, realize by implementing following technical scheme:

Oxygen humidification bottle integrated flow digital display device is made of assemblies such as oxygen humidification bottle, float-ball type flowmeter, oxygen delivery tube, oxygen flow variable valve and integrated flow digital display devices.Be humidification bottle hereinafter to be referred as oxygen humidification bottle for sake of convenience, the float-ball type flowmeter claims flowmeter, and the oxygen flow variable valve is a variable valve.Humidification bottle is made up of upper and lower two sections cavitys, is contained in the upper/lower terminal of regulation valve body respectively; Flowermeter is in the cavity of humidification bottle epimere, and its lower end is fixed on the valve body; The oxygen delivery tube device is in humidification bottle hypomere cavity, and the lower end of its top and valve body is fixed, and is connected with a oxygen channel in the valve body; Variable valve is made of valve body and spool; Be provided with the spool cavity that holds spool and be complementary in the valve body with it; Valve body is provided with the oxygen input port, and its inlet channel in valve body leads directly to the spool cavity, and is controlled the logical or resistance of its passage by the needle-like spool; In the centre of valve body upper end as the flowmeter base, there is the oxygen passway to communicate with flowmeter, this passway has gas channels to communicate between the spool chamber body wall; By the side of valve body upper end flowmeter base, have gas channels as the centre of oxygen delivery tube interface to valve body lower end; Valve body is provided with the oxygen delivery outlet, and its gas channels straight-through valve body lower end in valve body is connected with hypomere humidification bottle cavity; Also be provided with on this external valve body oxygen inlet and oxygen outlet with and separately valve body gas channels, the upper end open of the former passage is located at the opposite side of the flowmeter base of valve body upper end, outlet is located on the body wall, the lower end outlet of latter's passage is located at valve body lower end, be connected with hypomere humidification bottle cavity, and the upper end outlet is located on the body wall; Outside the valve body, the oxygen inlet on oxygen inlet tube channel and the valve body is connected, and oxygen outlet tube channel and oxygen outlet are connected, and installs differential pressure pickup between two tube channel; Afterbody at spool is equipped with the oxygen flow adjusting knob; The integrated flow digital display device includes the shell of device on body wall, the LCD panel of installing on the shell face, the data on flows output interface that is provided with on the circuit board of device and the shell wall in the shell, differential pressure pickup is connected with circuit board, and circuit board is connected with LCD panel.Integrated flow digital display device of the present utility model is a routine techniques, the principle of its circuit is: enter differential pressure pickup by the pressure signal that takes out in upper and lower two cavitys of humidification bottle and compare, convert comparison signal to voltage signal, amplify through electric signal processing circuit, convert digital signal to after transferring shape, again after driving by the digital display circuit display digit.

Essential characteristic of the present utility model is: have by six-way valve, be loaded on two sections humidification bottle cavity on the valve body, and the differential pressure pickup of attaching between valve body oxygen inlet tube channel and exit passageway pipe, pressure transmission that is constituted and pressure reduction formation mechanism.

Here alleged six-way valve is meant and is provided with 6 oxygen channels in the valve body: it 1 is to a passage between the spool cavity by the oxygen input port; It 2 is to run through the passage that valve body upper end communicates with the humidification bottle epicoele by the spool cavity; It 3 is by the valve body upper end of touching mutually with the humidification bottle epicoele, runs through the passage that valve body lower end communicates with oxygen delivery tube; It 4 is passages that communicated with the humidification bottle cavity of resorption to the break-through valve body lower end by the oxygen delivery outlet; It 5 is the oxygen inlet that communicated with the humidification bottle epicoele by valve body upper end, a passage that is connected with the oxygen inlet tube channel to the body wall, it 6 is the oxygen outlets that communicated with the humidification bottle cavity of resorption by valve body lower end, a passage that is connected to body wall and oxygen outlet tube channel.

Advantage of the present utility model is that apparatus structure is simple, cost of manufacture is cheap, measure accurately, can show the oxygen real-time traffic, can show the oxygen integrated flow again, can also can solve the difficult problem of patient's oxygen consumption charging of perplexing hospital to the single use of patient by the Management Calculation interconnect plane of interface and hospital.

The utility model has following accompanying drawing:

Fig. 1 is the utility model stereoscopic synoptic diagram

Fig. 2 is the utility model structure sectional side elevation

Fig. 3 is the utility model schematic block circuit diagram

Fig. 4 is the utility model circuit structure schematic diagram

Mark among the figure: 1 is humidification bottle epimere cavity, 2 is humidification bottle hypomere cavity, and 3 is oxygen delivery tube, and 4 is the float-ball type flowmeter, 5 is six passage valve bodies, 6 is the flow regulation knob, and 7 is the oxygen input port, and 8 is the oxygen delivery outlet, 9 is the integrated flow numeric display unit, 10 is the oxygen inlet tube channel, and 11 is the oxygen outlet tube channel, and 12 is differential pressure pickup, 13 is circuit board, 14 is LCD panel, and 15 is the data on flows output interface, and 16 for being run through the valve body upper end by the spool cavity, the gas channels that communicates with the humidification bottle epicoele, 17 be by the oxygen delivery outlet to the break-through valve body lower end, the gas channels that communicates with the humidification bottle cavity of resorption, 18 serve as reasons and the contacted valve body of humidification bottle epicoele upper end, run through valve body lower end, the gas channels that communicates with oxygen delivery tube, 19 is oxygen inlet, 20 is oxygen outlet.Among Fig. 4: IC1～IC3 is an amplifier, and IC4 is a voltage controlled oscillator, and IC5 is a frequency divider, and IC8～IC9 is a counter.

Below by drawings and Examples the utility model is further described.

As Fig. 1, Fig. 2, shown in Figure 4, humidification bottle epimere cavity (abbreviation epicoele) 1 is contained in the upper end of six-way valve valve body 5, humidification bottle hypomere cavity 2 is connected in the lower end of valve body 5, float-ball type flowmeter 4 devices are in humidification bottle epimere cavity 1, be fixed on the base of valve body 5 upper ends, oxygen delivery tube 3 is contained in the humidification bottle hypomere chamber 2, the lower end Joint of its upper end mouth of pipe and valve body 5, the pipe 7 that connects valve body 5 is the oxygen input port, pipe 8 is the oxygen delivery outlet, in six gas channels of valve body 5, oxygen input tube 7 communicates with the spool cavity, regulate oxygen flow by the adjusting knob on the spool 6, the oxygen that enters in the spool chamber enters humidification bottle epicoele 1 through passage 16, through oxygen inlet tube channel 10 pressure is passed to sensor 12 by oxygen inlet 19, the oxygen that enters humidification bottle epicoele 1 is again after passage 18 enters oxygen delivery tube 3, come out through the water humidifying by its bottom mouth of pipe, enter again in the humidification bottle cavity of resorption 2, and enter oxygen output tube mouth 8 from passage 17, patients smokes, oxygen in the humidification bottle cavity of resorption 2 enters oxygen outlet tube channel 11 through oxygen outlet 20, pressure in the cavity of resorption 2 is passed to sensor 12, this moment, sensor was accepted the pressure of both sides, through relatively converting pressure difference signal to d. c. voltage signal, input voltage controlled oscillator IC4 after the IC1 of the amplifier on the circuit board 13～IC3 amplifies, IC4 converts the DC voltage of 0～3V to the frequency of 0～16KHZ, obtaining every liter of airshed again behind the IC5 frequency division is the metrical pulse output of 1HZ, behind IC6～IC9 counting, drive LCDs 14, demonstrate gas consumption.

Claims

1, a kind of oxygen humidification bottle integrated flow digital display device, include oxygen humidification bottle, float-ball type flowmeter (4), oxygen delivery tube (3), and integrated flow numeric display unit assemblies such as (9) constitutes, it is characterized in that: also have six general formula oxygen flow variable valve, and by be loaded on two sections humidification bottle cavity (1) and (2) on this valve body (5) and be contained in oxygen inlet tube channel (10) on the valve body (5) and oxygen outlet tube channel (11) between engage the differential pressure pickup (12) at position, pressure transmission that is constituted and pressure reduction formation mechanism.

2, according to the described oxygen humidification bottle integrated flow of claim 1 digital display device, it is characterized in that: this six general formulas oxygen flow valve assembly, be that the spool that is complementary by the valve body with 6 gas channels (5) and with valve body (5) is constituted, and 6 gas channels on the valve body (5) lay respectively at: by oxygen input port (7) to the gas channels between the spool cavity; Run through the gas channels (16) that valve body (5) upper end communicates with humidification bottle epicoele (1) by the spool cavity; By with the contacted valve body of humidification bottle epicoele (1) (5) upper end, run through valve body (5) lower end, the gas channels (18) that communicates with oxygen delivery tube (3); By oxygen delivery outlet (8) to break-through valve body (5) lower end, the gas channels (17) that communicates with humidification bottle cavity of resorption (2); The oxygen inlet (19) that communicates with humidification bottle epicoele (1) by valve body (5) upper end, a gas channels that is connected with oxygen inlet tube channel (10) to valve body (5) sidewall; The oxygen outlet (20) that communicates with humidification bottle cavity of resorption (2) by valve body (5) lower end, the gas channels that is connected with oxygen outlet tube channel (11) to valve body (5) sidewall.