CN221014109U - Flow and pressure monitoring device of breathing machine - Google Patents
Flow and pressure monitoring device of breathing machine Download PDFInfo
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- CN221014109U CN221014109U CN202321856004.0U CN202321856004U CN221014109U CN 221014109 U CN221014109 U CN 221014109U CN 202321856004 U CN202321856004 U CN 202321856004U CN 221014109 U CN221014109 U CN 221014109U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 30
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000035565 breathing frequency Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model provides a flow and pressure monitoring device of a breathing machine, which comprises a main body frame, wherein an air inlet pipe and an air outlet pipe are arranged on the main body frame, the air inlet pipe is connected with a flow sensor, the flow sensor is connected with the air outlet pipe through a transfer pipe, a power plugboard, a monitoring board, an adapter board and a core board for processing pressure signals and flow signals are arranged in the main body frame, a pressure sensor for collecting pressure on two sides of an isolation diaphragm of the flow sensor is arranged on the monitoring board, the monitoring board is connected with the core board, the core board is connected with the adapter board, and the adapter board is provided with an oscilloscope. Compared with the prior art, the monitoring device can be used with an oscilloscope, the pressure of the breathing machine is converted into pressure waveform to be displayed, whether the control of the breathing machine is abnormal or not is compared and analyzed, the monitoring device is simple in structure, low in manufacturing cost and high in control precision, complicated debugging is not needed before use, and operation is simple.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a flow and pressure monitoring device of a breathing machine.
Background
Flow and pressure are important parameters of the ventilator. In the realization of the ventilation mode of the breathing machine, whether the flow and the pressure play a critical role or not accurately, and the accuracy of parameters such as the breathing ratio, the breathing time, the breathing frequency and the like controlled by the breathing machine seriously influence the product performance of the breathing machine, so the method has important significance for detecting the accuracy of the control parameters of the breathing machine.
Prior art application number CN201110392426.2 discloses a ventilator flow detection system comprising: first, second, third and fourth two-position three-way electromagnetic valves (SOV 2, SOV3, SOV6 and SOV 7), wherein the first air inlet ends of the first, second, third and fourth two-position three-way electromagnetic valves are communicated with the respective inner detection branch air paths, the second air inlet ends of the first, second and third three-way electromagnetic valves are communicated with the external atmosphere, and the air outlet ends of the first, second and third three-way electromagnetic valves are communicated with the corresponding detection ports of the respective flow sensors; first and second solenoid valves (SOV 4, SOV 5) whose gas outlet end is connected with the pipeline between the external detection branch interface and the second flow sensor and whose gas inlet end is connected with high-pressure gas; the control unit is used for controlling the first, second, third and fourth two-position three-way electromagnetic valves to be communicated with the corresponding flow sensors and the external atmosphere for program zeroing, or controlling the first and second electromagnetic valves to be opened for dewatering, or controlling the first, second, third and fourth two-position three-way electromagnetic valves to be communicated with the corresponding flow sensors and the detection gas circuit and closing the first and second electromagnetic valves for flow detection.
The existing monitoring equipment has the advantages of higher detection precision, complete functions, complex internal structure, high manufacturing cost, multiple steps of equipment zeroing, test mode adjustment and the like before use, complex operation, and high maintenance price, and also needs to be matched with a PC end for display, so that the production and detection efficiency of products is affected.
The prior art is therefore in need of improvement and advancement.
Disclosure of utility model
In view of the shortcomings of the prior art, the utility model aims to provide a flow and pressure monitoring device of a breathing machine, which can be used with an oscilloscope to convert the pressure of the breathing machine into pressure waveform for display, compare and analyze whether the control of the breathing machine is abnormal, and has the advantages of simple structure, low manufacturing cost, high control precision, capability of providing accurate monitoring parameter data, no need of complex debugging before use, simple operation and low maintenance cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a flow and pressure monitoring device of breathing machine, includes main body frame, be provided with intake pipe and blast pipe on the main body frame, intake-tube connection has flow sensor, flow sensor pass through the transfer pipe with the blast pipe is connected, be provided with power picture peg, monitoring board, keysets and be used for handling pressure signal and flow signal's core board in the main body frame, be provided with on the monitoring board and be used for gathering flow sensor's isolation diaphragm's both sides pressure sensor, the monitoring board with the core board is connected, the core board with the keysets is connected, the keysets has the oscilloscope.
Further, the main body frame comprises a left side plate, a right side plate, a front plate, a rear plate, a top plate and a bottom plate, the monitoring plate is arranged on the bottom plate, the core plate is arranged on the right side plate, the left side plate and the right side plate are respectively provided with an air inlet and an air outlet, and the air inlet pipe and the air outlet pipe are respectively provided with the air inlet and the air outlet.
Further, an opening is formed in the rear plate, a socket is connected to the power plug board, and the socket is located in the opening.
Further, the rear plate is provided with a positioning groove for facilitating positioning of the socket and the opening.
Further, the adapter plate is arranged on the top plate, a jack is arranged on the top plate, pins are arranged on the adapter plate and inserted into the jack, and the oscilloscope is connected with the adapter plate through the pins.
Further, the pins include a pressure acquisition pin, a flow acquisition pin, and a transition pin.
Further, the flow sensor is any one of a differential pressure type flow sensor, a hot wire flow sensor and a hot film type flow sensor.
Further, the flow sensor is a differential pressure type flow sensor.
Further, a radiator is arranged on the monitoring board, a radiating opening is arranged on the rear board, and the radiator is positioned in the radiating opening.
Further, the main body frame is provided with supporting feet.
Compared with the prior art, the flow and pressure monitoring device of the breathing machine comprises a main body frame, wherein an air inlet pipe and an air outlet pipe are arranged on the main body frame, the air inlet pipe is connected with a flow sensor, the flow sensor is connected with the air outlet pipe through a transfer pipe, a power plugboard, a monitoring board, an adapter board and a core board for processing pressure signals and flow signals are arranged in the main body frame, pressure sensors for collecting pressure on two sides of an isolation diaphragm of the flow sensor are arranged on the monitoring board, the monitoring board is connected with the core board, and the core board is connected with an oscilloscope. Aiming at the utility model, the monitoring device can be used with an oscilloscope, converts the pressure of the breathing machine into pressure waveform for display, compares and analyzes whether the control of the breathing machine is abnormal, has simple structure, low manufacturing cost and high control precision, can provide accurate monitoring parameter data, does not need to carry out complex debugging before use, and has simple operation and low maintenance cost.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a flow and pressure monitoring device of a ventilator according to the present utility model.
Fig. 2 is a schematic view of another angle structure of the flow and pressure monitoring device of the breathing machine according to the present utility model.
Fig. 3 is a schematic diagram of an internal structure of a flow and pressure monitoring device of a ventilator according to the present utility model.
Fig. 4 is an exploded view of a flow and pressure monitoring device for a ventilator provided by the present utility model.
In the figure: the main body comprises a main body frame-1, an air inlet pipe-2, an air outlet pipe-3, a flow sensor-4, a transfer pipe-5, a power plug board-6, a plug 6a, a monitoring board-7, a transfer board-8, a core board-9, a left side board-10, a right side board-11, a front board-12, a rear board-13, a top board-14, a jack-14 a, a bottom board-15, an air inlet-16, an air outlet-17, an opening-18, a positioning groove-19, a pin-20, a pressure acquisition pin-21, a flow acquisition pin-22, a transfer pin-23, a radiator-24, a heat dissipation port-25 and a supporting pin-26.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
As shown in fig. 1, 2, 3 and 4, the utility model provides a flow and pressure monitoring device of a breathing machine, which comprises a main body frame 1, wherein an air inlet pipe 2 and an air outlet pipe 3 are arranged on the main body frame 1, the air inlet pipe 2 is connected with a flow sensor 4, the flow sensor 4 is connected with the air outlet pipe 3 through a switching pipe 5, the flow sensor 4 is used for detecting the flow of input air, a power plugboard 6, a monitoring board 7, a switching board 8 and a core board 9 for processing pressure signals and flow signals are arranged in the main body frame 1, the monitoring board 7 is provided with pressure sensors for collecting the pressure at two sides of an isolation diaphragm of the flow sensor 4, namely, the monitoring board 7 is used for collecting pressure signals and flow information fed back by the pressure sensors, the monitoring board 7 is connected with the core board 9, the core board 9 is connected with the switching board 8, and the switching board 8 is connected with an oscilloscope (not shown in the figure).
It should be noted that, the detected gas enters from the air inlet pipe 2 into the main body frame 1 and flows through the flow sensor 4, pressure difference is generated at two sides of the isolating diaphragm of the flow sensor 4, two pressure sensors on the monitoring board 7 are respectively a first pressure sensor and a second pressure sensor, the first pressure sensor collects pressure P1, the second pressure sensor collects pressure P2, pressure signals are fed back to the core board 9, the core board 9 can process and modulate the pressure signals or perform signal amplification and conversion operation, analog signals or digital signals are output to the adapter board 8, the adapter board 8 can convert the analog signals or the digital signals into pressure waveform display by matching with an oscilloscope, and the pressure sensor can be used for measuring detailed respiratory cycle parameters and comparing and analyzing whether the control of the breathing machine is abnormal.
Compared with the prior art, the technical scheme of the utility model can be used with an oscilloscope, the pressure of the breathing machine is converted into the pressure waveform to be displayed, whether the control of the breathing machine is abnormal or not is compared and analyzed, the monitoring device has the advantages of simple structure, low manufacturing cost and high control precision, accurate monitoring parameter data can be provided, complex debugging is not needed before the monitoring device is used, the data monitoring on the flow and the pressure of the breathing machine can be carried out only by connecting corresponding pipelines and lines, the operation is simple, and the maintenance cost is low.
In one embodiment, as shown in fig. 3 and 4, the main body frame 1 includes a left side plate 10, a right side plate 11, a front plate 12, a rear plate 13, a top plate 14, and a bottom plate 15, the monitor plate 7 is disposed on the bottom plate 15, the core plate 9 is disposed on the right side plate 11, the left side plate 10 and the right side plate 11 are provided with an intake port 16 and an exhaust port 17, respectively, and the intake pipe 2 and the exhaust pipe 3 are mounted on the intake port 16 and the exhaust port 17, respectively. That is, the main body frame 1 is composed of six panels, the whole assembly structure is simpler, and the main body frame 1 has fewer parts and lower manufacturing cost.
Further, an opening 18 is provided on the rear plate 13, a socket 6a is connected to the power board 6, the socket 6a is located in the opening 18, and the power board 6 can be connected with an external power source through the opening 18, so that the monitoring device can work smoothly.
Preferably, the rear plate 13 is provided with a positioning groove 19 which is convenient for positioning the socket 6a and the opening 18, and the positioning groove 19 can play a role in quick fixing when the power plugboard 6 and the opening 18 are installed and fixed, so that the production and manufacturing efficiency is improved.
Further, the adapter plate 8 is arranged on the top plate 14, a jack 14a is arranged on the top plate 14, a pin 20 is arranged on the adapter plate 8, the pin 20 is inserted into the jack 14a, the oscilloscope is connected with the adapter plate 8 through the pin 20, and the pin 20 can transmit pressure signals from the core plate 9 on the adapter plate 8 to the oscilloscope. Specifically, pins 20 include a pressure acquisition pin 21, a flow acquisition pin 22, and a transition pin 23.
Further, the flow sensor 4 is any one of a differential pressure type flow sensor, a hot wire flow sensor and a hot film type flow sensor. Preferably, the flow sensor 4 is a differential pressure type flow sensor.
Further, be provided with radiator 24 on the monitor plate 7, be provided with the thermovent 25 on the back plate 13, radiator 24 is arranged in thermovent 25, can go out the heat transfer that produces on the monitor plate 7 through the louvre, has guaranteed that can work smoothly on the monitor plate 7.
Further, the main body frame 1 is provided with supporting feet 26, and the supporting feet 26 facilitate placement of the main body frame 1 on a horizontal table top.
In summary, the flow and pressure monitoring device of the breathing machine provided by the utility model consists of six panels, the whole assembly structure is simpler, and the parts in the main body frame are fewer, so that the manufacturing cost is lower. The pressure sensor on the monitoring board is used for collecting the pressure generated on two sides of the isolating diaphragm of the flow sensor, the pressure signal is transmitted to the core board, the core board can process, modulate or amplify and convert the pressure signal, output an analog signal or a digital signal to the adapter board, the adapter board is matched with the oscilloscope to convert the analog signal or the digital signal into a pressure waveform for display, and the pressure sensor can be used for measuring detailed respiratory cycle parameters and comparing and analyzing whether the control of the breathing machine is abnormal. Compared with the prior art, the technical scheme of the utility model can be used with an oscilloscope, the pressure of the breathing machine is converted into the pressure waveform to be displayed, whether the control of the breathing machine is abnormal or not is compared and analyzed, and the monitoring device has the advantages of simple structure, low manufacturing cost, high control precision, capability of providing accurate monitoring parameter data, no complex debugging is needed before use, and simple operation.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.
Claims (10)
1. The utility model provides a flow and pressure monitoring device of breathing machine, its characterized in that, includes main body frame (1), be provided with intake pipe (2) and blast pipe (3) on main body frame (1), intake pipe (2) are connected with flow sensor (4), flow sensor (4) pass through adapter tube (5) with blast pipe (3) are connected, be provided with power picture peg (6), monitor plate (7), adapter plate (8) and be used for handling pressure signal and flow signal's core board (9) in main body frame (1), be provided with on monitor plate (7) and be used for gathering flow sensor's isolation diaphragm's both sides pressure sensor, monitor plate (7) with core board (9) are connected, core board (9) with adapter plate (8) are connected, adapter plate (8) are connected with the oscilloscope.
2. The flow and pressure monitoring device of a ventilator according to claim 1, characterized in that the main body frame (1) comprises a left side plate (10), a right side plate (11), a front plate (12), a rear plate (13), a top plate (14) and a bottom plate (15), the monitoring plate (7) is arranged on the bottom plate (15), the core plate (9) is arranged on the right side plate (11), the left side plate (10) and the right side plate (11) are respectively provided with an air inlet (16) and an air outlet (17), and the air inlet pipe (2) and the air outlet pipe (3) are respectively provided with the air inlet (16) and the air outlet (17).
3. The flow and pressure monitoring device of a ventilator according to claim 2, characterized in that an opening (18) is provided in the back plate (13), a socket (6 a) is connected to the power board (6), and the socket (6 a) is located in the opening (18).
4. A flow and pressure monitoring device of a ventilator according to claim 3, characterized in that the back plate (13) is provided with a positioning slot (19) facilitating the positioning of the socket (6 a) with the opening (18).
5. The flow and pressure monitoring device of a ventilator according to claim 2, wherein the adapter plate (8) is arranged on the top plate (14), a jack (14 a) is arranged on the top plate (14), a pin (20) is arranged on the adapter plate (8), the pin (20) is inserted in the jack (14 a), and the oscilloscope is connected with the adapter plate (8) through the pin (20).
6. The ventilator flow and pressure monitoring device of claim 5, wherein the pins (20) comprise a pressure acquisition pin (21), a flow acquisition pin (22), and a transition pin (23).
7. The flow and pressure monitoring device of a ventilator according to claim 1, characterized in that the flow sensor (4) is any one of a differential pressure type flow sensor, a hot wire flow sensor and a hot film type flow sensor.
8. The flow and pressure monitoring device of a ventilator according to claim 7, characterized in that the flow sensor (4) is a differential pressure type flow sensor.
9. The flow and pressure monitoring device of a ventilator according to claim 2, characterized in that a radiator (24) is provided on the monitoring plate (7), a heat dissipation opening (25) is provided on the back plate (13), and the radiator (24) is located in the heat dissipation opening (25).
10. The flow and pressure monitoring device of a ventilator according to claim 1, characterized in that the main body frame (1) is provided with support feet (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321856004.0U CN221014109U (en) | 2023-07-14 | 2023-07-14 | Flow and pressure monitoring device of breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321856004.0U CN221014109U (en) | 2023-07-14 | 2023-07-14 | Flow and pressure monitoring device of breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221014109U true CN221014109U (en) | 2024-05-28 |
Family
ID=91190798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321856004.0U Active CN221014109U (en) | 2023-07-14 | 2023-07-14 | Flow and pressure monitoring device of breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221014109U (en) |
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2023
- 2023-07-14 CN CN202321856004.0U patent/CN221014109U/en active Active
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