TWI686608B - Ambient atmosphere monitoring apparatus - Google Patents

Abstract

The present invention ambient atmosphere monitoring apparatus comprises a gas supplement mechanism, a gas gathering mechanism, a gas back-flow mechanism and a gas monitoring mechanism. The gas supplement mechanism outputting air and CO2, the CO2 is used to mix with the outside air to generate a simulation gas which imitating human exhaled and inhaled gas; the gas gathering mechanism comprising a gathering space to communicate with outside and connects with gas supplement mechanism to generate an object gas; the gas back-flow connects between the gas supplement mechanism and the gas gathering mechanism; the gas monitoring mechanism, being assembled in the gas back-flow mechanism, comprising a monitoring device to monitor the object gas and an electronic device connects with the monitoring device electronically. Wherein, the monitoring device monitors the proportion of CO2 in object gas to generate a gas value, the gas value is received and recorded by electronic device. The present invention imitates human exhale and inhale to monitor the air circulation and confirm the security of laying environment.

Description

Ambient air testing equipment

The invention relates to an ambient air detection device, in particular to a detection device that simulates human breath to detect the convection state of the ambient air.

Artificial respirators are divided into two types: fixed-pressure respirator and fixed-volume respirator by the input gas and alveolar working methods, and the driving method of the breathing device can be further divided into: pneumatic type and electric type There are three types: jet type and jet type.

It is suitable for medical instruments that assist or support breathing when the body is experiencing respiratory failure, especially for postoperative observation, cardiopulmonary dysfunction resulting in difficulty breathing, unable to breathe spontaneously, shock, insufficient oxygen content in the blood or lungs , Acute allergy symptoms, or severe patients, such as: pneumonia, drug poisoning, asthma, chronic obstructive pulmonary disease, coma, stroke, or general anesthesia.

Moreover, people suffering from sleep disorders can also cultivate sleep emotions through sleep, or use respirator to practice positive pressure breathing during sleep to treat, and thereby improve sleep problems.

In addition, newborn premature babies whose birth weight is less than 1500 grams, infants and young children who have high jaundice and need to exchange blood, and infants and young children who need to take care of the baby incubator for other reasons In the process, there may be a sudden infant death syndrome (Sudden infant death syndrome, cot death, crib death (SIDS for short), and sudden infant death is mostly considered to be related to respiratory apnea, large temperature difference, thick quilt, and the administration of vaccines.

Among them, most of the causes of death are related to the suffocation symptoms of breathlessness. Therefore, the structural design of the lying device used by infants and young children must pay great attention to the state of air convection. However, there is no set on the market at present. The equipment and instruments can simulate the breathing of infants and young children to detect the ambient air state of the lying device.

The main objective of the present invention is to provide an ambient air detection device that can simulate human breathing to detect the air circulation of a lying environment, thereby confirming the safety of the lying environment or the use of a lying device.

Another object of the present invention is that the detection equipment can not only detect the air condition around the gas collection mechanism, but also cooperate with an external detection device to obtain the relevant value of the external air, by combining both the detected air value and the external air value Accurately detect the ambient air condition.

To achieve the above object, the ambient air detection device of the present invention includes a gas supply mechanism, a gas collection mechanism, a gas return mechanism, and a gas detection mechanism. Wherein, the gas supply mechanism outputs air and carbon dioxide, and the carbon dioxide is used to mix with outside air to form a simulated gas that mimics the state of human respiration; the gas collection mechanism is assembled in the gas supply mechanism and forms a collection that communicates with the external environment Space so that outside air can enter the collection space and mix with the carbon dioxide to form a target gas; the gas return mechanism is connected between the gas supply mechanism and the gas collection mechanism, and the target gas is collected by the gas collection mechanism The recirculation is transmitted to the gas supply mechanism and discharged to the external environment. The gas detection mechanism is installed in the gas recirculation mechanism and has a means for detecting the target gas. A detection device and an electronic device electrically connected to the detection device. The detection device is used to detect the carbon dioxide ratio of the target gas to form a concentration value for the electronic device to obtain the concentration value.

First, the control pipeline is connected between the air supply source, the carbon dioxide supply source, and the gas collection mechanism, and the gas temporary storage tank is installed on the control pipeline.

In a preferred embodiment, the gas supply mechanism may include a sequence timer installed in the control line to control the gas supply sequence and time of the air supply source and the gas return mechanism.

The gas supply mechanism may further be provided with a flow detector, which is installed in the control pipeline and is electrically connected to the electronic device to detect an output value of the carbon dioxide supply source.

In addition, the gas reflow mechanism may include a flow sensor that detects the flow rate of the target gas. The flow sensor is electrically connected to the electronic device to allow the electronic device to obtain a flow value.

Furthermore, the gas detection mechanism may further include an auxiliary detection device, the auxiliary detection device is further electrically connected between the gas collection mechanism and the electronic device to detect the proportion of carbon dioxide in the collection space to form an auxiliary concentration The value allows the electronic device to obtain the auxiliary concentration value.

The gas detection mechanism may further include an external detection device electrically connected to the electronic device to detect one of the external air temperature and humidity to form an external environmental value for the electronic The device obtains the external environment value.

In a feasible embodiment, the gas collection mechanism is configured as a mask structure that can be worn on the face, nose and nose, the mask structure is formed with an opening assembled with the gas supply mechanism, and a plurality of surfaces are formed on the surface of the mask structure The through hole communicates with the outside.

The detection device of the present invention may further include a bearing bed having a gas-permeable bed body and a gas output device connected to the gas-permeable bed body. The gas-permeable bed body has an outer shell forming an accommodation space, and the accommodation space A deformation layer for lying down and a diffusion layer are installed, and the air output device of the gas output device evenly enters the deformation layer through the diffusion layer.

As can be seen from the foregoing description, the present invention is characterized in that the gas supply mechanism is used to simulate the ratio of oxygen and carbon dioxide in the breathing state of the human body, thereby outputting carbon dioxide to the gas collection mechanism, allowing carbon dioxide and external air to form a target gas, and finally using an electronic device To detect the target gas passing through the gas recirculation mechanism, so as to continuously obtain the carbon dioxide concentration value of the target gas, and used to evaluate the environmental status or the air circulation conditions of the lying device to avoid suffocation symptoms of dyspnea in infants.

1: gas supply organization

10: Air supply source

11: CO2 supply source

12: Control pipeline

121: The first pipeline

121A: First flow valve

121B: Second flow valve

122: Second line

122A: third flow valve

123: Third pipeline

123A: Fourth flow valve

124: Fourth line

125: the first electric control valve

126: Second electric control valve

127: Third electric control valve

128: Venturi

13: Gas temporary storage tank

14: Sequence timer

15: Flow detector

2: gas collection agency

21: Collecting space

22: through hole

3: Gas return mechanism

31: Return line

32: Reflow temporary storage tank

33: Flow sensor

34: Flow sensor

4: Gas detection mechanism

41: Detection device

411: carbon dioxide indicator

412: CO2 recorder

42: auxiliary detection device

421: Carbon dioxide indicator

422: CO2 recorder

43: External detection device

431: temperature indicator

432: temperature recorder

44: Electronic device

5: bearing bed

50: breathable bed

51: Gas output device

52: outer shell

53: Deformation layer

531: Groove

54: Diffusion layer

55: Base

551: opening

552: First ring bump

56: inner wall

561: against the top plate

562: Second ring bump

57: outer wall

1 is a schematic diagram of the ambient air detection device of the present invention; FIG. 2 is a schematic view of the application of the detection device of the present invention to a carrier bed; FIG. 3 is a perspective view of the carrier bed of FIG. 2; and FIG. 4 is an exploded view of the carrier bed of FIG.

In order to facilitate a deeper and clearer understanding and understanding of the structure, use and characteristics of the present invention, the preferred embodiments will now be described in detail with reference to the drawings: Please refer to FIG. 1 for the environment of the present invention The air detection equipment includes a gas supply mechanism 1, a gas collection mechanism 2, a gas return mechanism 3, and a gas detection mechanism 4, wherein the gas collection mechanism 2 is assembled in the gas supply mechanism 1; the gas return mechanism 3 groups Connected to the gas supply mechanism 1 Between the gas collection mechanism 2 and the gas detection mechanism 4 are installed in the gas return mechanism 3 and the gas collection mechanism 2.

First, the gas supply mechanism 1 is mainly used to output air and carbon dioxide, and the carbon dioxide is used to mix with outside air to form a simulated gas that mimics the state of human respiration; the gas supply mechanism 1 includes an air supply source 10 and a carbon dioxide supply source 11 , A control line 12, a temporary gas storage tank 13, a sequence timer 14 and a flow detector 15.

The control line 12 has a first line 121, a second line 122, a third line 123, and a fourth line 124. The first line 121 is connected to the carbon dioxide supply source 11 and the gas collection mechanism 2, the second line 122 is connected between the air supply 10 and the sequence timer 14, the third line 123 is connected to the second line 122 and the gas return mechanism 3, and the fourth line 124 is connected between the sequence timer 14 and the first pipeline 121. The gas temporary storage tank 13 and the flow detector 15 are both installed on the first pipeline 121, and the gas temporary storage tank 13 is adjacent to the gas collection mechanism 2, and the flow detector 15 is adjacent to the carbon dioxide supply source 11 ; The sequence timer 14 is connected to the gas return mechanism 3 in addition.

Wherein, the sequence timer 14 is used to control the gas supply sequence and time of the air supply source 10 and the gas recirculation mechanism 3. The sequence timer 14 can be preset internally or manually changed to set how long to open or trigger an action Cycle, for example: a preset time schedule is: a complete actuation cycle every 1.82 seconds, and the calculation method of the preset calculation equation is: 15ml/cycle @33 cycles/min or 0.55 cycle/sec, ie: 8.25ml/sec * 1.82=15ml.

The flow detector 15 is used to detect an output value of the carbon dioxide supply source 11; and the gas temporary storage tank 13 is mainly used to buffer gas, and the sequence timer 14 is used to control the flow of gas through the gas temporary storage tank 13 to The supply time and intake air amount of the gas collecting mechanism 2.

As shown in the figure, a connection of the first line 121 and the fourth line 124 is provided with a first electrically controlled valve 125, and a connection of the second line 122 and the third line 123 is provided with a second electrically controlled valve 126 A third electric control valve 127 is provided at the connection between the fourth line 124 and the gas return mechanism 3. The first pipeline 121 is provided with a first flow valve 121A and a second flow valve 121B on opposite sides of the first electric control valve 125 respectively, and the second line 122 and the third pipeline 123 are respectively provided with a third flow valve 122A and a fourth flow valve 123A, and the third pipeline 123 communicates with the external environment (as shown in FIG. 1 arrow) and is provided with a Venturi tube 128, which pumps the gas return mechanism 3 through negative pressure gas.

In addition, the gas collection mechanism 2 is used to form a collection space 21 communicating with the outside, so that outside air can enter the collection space 21 and mix with the output gas of the gas supply mechanism 1 to form a target gas. In a feasible embodiment, the gas collection mechanism 2 is configured as a mask structure that can be worn on the face, the mask structure forms an opening that can be attached to the mouth and nose of the human face, so that the collection space 21 Closest to the breathing position; besides, the mask structure and the gas supply mechanism 1 are assembled with each other, and a plurality of through holes 22 are formed on the surface to communicate with the external environment, thereby allowing both the output gas and the external air to enter simultaneously The collection space 21 is mixed.

Furthermore, the gas recirculation mechanism 3 mainly recirculates the target gas from the gas collection mechanism 2 to the gas supply mechanism 1 to be discharged to the external environment. As shown in the figure, the gas return mechanism 3 includes: a return line 31, a return temporary storage tank 32, a flow sensor 33 and a flow sensor 34. The return temporary storage tank 32 is installed in the return pipeline 31 And near the position of the gas collecting mechanism 2; the flow sensor 34 is installed on the return line 31 and adjacent to the position of the gas supply mechanism 1; and the flow sensor 33 is interposed between the flow sensor 34 With the temporary return tank 32.

Wherein, the flow sensor 33 and the flow sensor 34 are both electrically connected to the gas detection mechanism 4, the flow sensor 34 is used to detect the target gas to obtain a flow value, and the flow value is provided to the Gas detection mechanism 4.

Finally, the gas detection mechanism 4 includes a detection device 41, an auxiliary detection device 42, an external detection device 43, and an electronic device 44, wherein the detection device 41 is connected to the flow sensor 33 to detect the target gas And confirm the carbon dioxide ratio of the target gas to form a concentration value; the auxiliary detection device 42 is electrically connected between the gas collection mechanism 2 and the electronic device 44 to detect the carbon dioxide ratio of the collection space 21 to form a concentration value Auxiliary concentration value; the external detection device 43 is electrically connected to the electronic device 44 for detecting at least one of the outside air temperature and humidity to form an external environment value.

The electronic device 44 has a software program interface and a monitoring logic interface, and is electrically connected to the flow sensor 34 and the sequence timer 14 respectively. The monitoring logic interface is used to obtain the concentration value, the auxiliary concentration value and an external Environmental value, and the flow value is obtained through the flow sensor 34, and the concentration value is combined with at least one of the auxiliary concentration value, the external environmental value, and the flow value to determine the external ambient air around the gas collection mechanism 2 Whether it meets the standard conditions; in addition, the software programming interface can adjust the supply time and intake air of the sequence timer 14 to simulate various breathing conditions and breathing patterns.

As shown, both the detection device 41 and the auxiliary detection device 42 include a carbon dioxide indicator 411, 421 and a carbon dioxide recorder 412, 422, and the external detection device 43 includes a temperature indicator 431 and a temperature recorder 432 However, this is only for convenience of illustration, that is, the external detection device 43 may also include a humidity indicator and a humidity recorder (not shown).

When using the ambient air detection device of the present invention, it is necessary to first calibrate the air and carbon dioxide delivery rate and set the sequence timer 14. Among them, the correction of the air delivery rate is to open the second electronic control valve 126 and the third electronic control valve 127 of the gas supply mechanism 1, and open and adjust the third flow valve 122A, so that the air supply source 10 provides air until The flow sensor 34 of the gas return mechanism 3 displays a flow rate of 15 ml, and then closes the second electronic control valve 126 and the third electronic control valve 127.

The carbon dioxide delivery rate is to open the first electronic control valve 125 of the gas supply mechanism 1 and to open and adjust the first flow valve 121A, so that the carbon dioxide supply source 11 provides carbon dioxide until the flow detector 15 shows 15ml Flow rate, the first electrically controlled valve 125 is closed again.

In addition, the sequence timer 14 will activate the first electronic control valve 125, the second electronic control valve 126 and the venturi 128 during the opening time of 1.82 seconds, and then alternately activate the first electronic control valve 125, The second electrically controlled valve 126 and the third electrically controlled valve 127.

When simulating the inhalation state, the second electronic control valve 126, the third electronic control valve 127 and the air supply source 10 are opened for 1.82 seconds, and the fourth flow valve 123A is adjusted to allow air to flow through the document The tube 128 generates a reverse suction pressure through the return temporary storage tank 32 and the flow sensor 33, so that the air in the collection space 21 is drawn into the return line 31.

When simulating exhalation, turn off the air supply 10, and open the carbon dioxide supply 11 and the first electronic control valve 125 for 1.82 seconds, and adjust the second flow valve 121B to allow positive pressure carbon dioxide to enter the gas The temporary storage tank 13 subsequently enters the collection space 21 through the control pipeline 12.

Please refer to FIGS. 2 to 4 again. In another preferred embodiment, the ambient air detection device of the present invention further includes a carrier bed 5, and a mannequin is placed on the carrier bed 5, the face of the mannequin The gas collecting mechanism 2 is worn, wherein the bearing bed 5 has a breathable bed body 50 and a gas output device 51 connected to the breathable bed body 50, the breathable bed body 50 has a forming accommodating space The outer shell 52 of the housing is provided with a deformation layer 53 and a diffusion layer 54 for lying down, and the gas output device 51 is assembled on the air-permeable bed 50, and the output air enters the diffusion layer 54 evenly Deformation layer 53, and then the gas is discharged from the deformation layer 53 outward.

In a feasible embodiment, the diffusion layer 54 is made of a rigid air porous organic fibrous material, wherein the diffusion layer 54 has a plurality of via holes that are closely arranged and have different sizes, so that the diffusion The layer 54 is gas-permeable. When one side of the diffusion layer 54 is subjected to gas to generate gas pressure, the gas will evenly enter the through holes to penetrate to the other side of the diffusion layer 54.

In addition, the deformation layer 53 is an elastic body composed of low density open cell foam or polymer material, and a plurality of holes of different sizes are formed inside and on the surface of the elastic body, In addition, a plurality of grooves 531 staggered are formed on the top of the elastic body to increase the gas discharge area.

As shown in FIG. 4, the outer shell 52 includes a base 55, an inner wall 56 and an outer wall 57, wherein the bottom of the base 55 has an opening 251 for the gas output device 51 to assemble, and the inner periphery of the top A first ring protrusion 552 is provided; the size of the inner wall 56 is slightly smaller than that of the base 55, so that the bottom of the inner wall 56 can be snapped and fixed on the first ring protrusion 552, and the outer periphery of the inner wall 56 is provided with A plurality of abutting plates 561, and a second ring protrusion 562 is formed on the inner periphery of the bottom, and the abutting plate 561 assumes an oblique state; the outer wall 57 is installed on the outer side of the inner wall 56 to press the abutting plate 561, so that The abutment plate 561 is deformed to fix the outer wall 57. In addition, the diffusion layer 54 is installed in the inner wall 56 and snaps against the second ring bump 562, and the deformation layer 53 is stacked on the diffusion layer 54.

When using the carrier bed 5 in the ambient air detection device of the present invention, the gas output device 51 generates an upward airflow at the bottom of the outer shell 52, and the upward airflow will flow through the diffusion layer 54 and the deformation Layer 53 and enter the collection space 21 of the gas collection mechanism 2 through the through hole 22, the subsequent gas detection circulation method is as shown in the previous embodiment, and will not be described in detail here, so that the human body can be detected lying down Whether there will be suffocation of breathing difficulties on the special components such as the bearing bed 5.

1: gas supply organization

10: Air supply source

11: CO2 supply source

12: Control pipeline

121: The first pipeline

121A: First flow valve

121B: Second flow valve

122: Second line

122A: third flow valve

123: Third pipeline

123A: Fourth flow valve

124: Fourth line

125: the first electric control valve

126: Second electric control valve

127: Third electric control valve

128: Venturi

13: Gas temporary storage tank

14: Sequence timer

15: Flow detector

2: gas collection agency

21: Collecting space

22: through hole

3: Gas return mechanism

31: Return line

32: Reflow temporary storage tank

33: Flow sensor

34: Flow sensor

4: Gas detection mechanism

41: Detection device

411: carbon dioxide indicator

412: CO2 recorder

42: auxiliary detection device

421: Carbon dioxide indicator

422: CO2 recorder

43: External detection device

431: temperature indicator

432: temperature recorder

44: Electronic device

Claims (9)

An ambient air detection device includes: a gas supply mechanism that outputs air and carbon dioxide. The carbon dioxide is used to mix with external air to form a simulated gas that mimics the state of human respiration; a gas collection mechanism is assembled in the gas supply mechanism and forms There is a collection space that communicates with the external environment, so that external air can enter the collection space and mix with the carbon dioxide to form a target gas; a gas recirculation mechanism is assembled between the gas supply mechanism and the gas collection mechanism The target gas is backflowed from the gas collection mechanism to the gas supply mechanism and discharged to the external environment; and a gas detection mechanism is installed in the gas return mechanism, has a detection device to detect the target gas and an electrical connection to the An electronic device of the detection device; wherein the detection device is used to detect the carbon dioxide ratio of the target gas to form a concentration value, and the electronic device obtains the concentration value. An ambient air detection device as described in item 1 of the patent application scope, wherein the gas supply mechanism includes an air supply source, a carbon dioxide supply source, a control line, and a gas storage tank, the control line is connected to the air supply Between the source, the carbon dioxide supply source and the gas collection mechanism, and the gas temporary storage tank is installed on the control pipeline. The ambient air detection device as described in item 2 of the patent application scope, wherein the gas supply mechanism further includes a sequence timer installed on the control line to control the air supply source and the gas return mechanism The gas supply sequence and time for one or both of them. As described in item 2 of the scope of the patent application, the ambient air detection device, wherein the gas supply mechanism is further provided with a flow detector, the flow detector is installed in the control pipeline and is electrically connected to the electronic device for detection An output value of the carbon dioxide supply source. The ambient air detection device as described in item 1 of the patent application scope, wherein the gas recirculation mechanism further includes a flow sensor that detects the target gas flow rate, the flow sensor is electrically connected to the electronic device to allow the electronic device to obtain A flow value. The ambient air detection device as described in item 1 of the patent application scope, wherein the gas detection mechanism further includes an auxiliary detection device, the auxiliary detection device is further electrically connected between the gas collection mechanism and the electronic device for Detecting the ratio of carbon dioxide in the collection space to form an auxiliary concentration value for the electronic device to obtain the auxiliary concentration value. The ambient air detection device as described in item 1 of the patent application scope, wherein the gas detection mechanism further includes an external detection device electrically connected to the electronic device for detecting the temperature and humidity of the external air At least one of them forms an external environment value for the electronic device to obtain the external environment value. The ambient air detection device according to item 1 of the patent application scope, wherein the gas collection mechanism is configured as a mask structure that can be worn on the face, nose and nose, the mask structure is formed with an opening assembled with the gas supply mechanism, and A plurality of through holes are formed on the surface of the mask structure to communicate with the outside. The ambient air detection device as described in item 1 of the patent application scope, wherein the detection device further includes a carrier bed having a gas-permeable bed body and a gas output device connected to the gas-permeable bed body, the gas-permeable bed body There is an outer shell forming an accommodating space, and a deformation layer for lying and a diffusion layer are installed in the accommodation space, and the air output by the gas output device enters the deformation layer uniformly through the diffusion layer.

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