Medical compressed air post-processing module and supply system

Abstract

The utility model discloses a medical compressed air post-processing module and supply system which comprises an air inlet pipe, an air inlet filter, a drying machine, an air outlet filter, a pressure reducing valve, an air outlet pipe, a movable base and a control box which are sequentially connected through pipelines, and the drying machine and the control box are fixedly arranged on the two sides of the upper portion of the movable base. The air inlet pipe, the air inlet filter, the air outlet filter and the pressure reducing valve are arranged between the drying machine and the control box; the control box is in electric control connection with the dryer and the pressure reducing valve. The medical compressed air post-processing module is high in integration level, and the components can be assembled in a centralized manner at a factory end, so that the mounting quality is ensured; and the whole module is also convenient to move, and field assembly can be completed as long as the air inlet pipe is in butt joint with a wet air storage tank on the downstream of a field air compressor and the air outlet pipe is in butt joint with a pipe network of air utilization equipment. In addition, the medical compressed air supply system disclosed by the utility model has the advantages of flexibility in control, energy conservation and consumption reduction.

Description

Technical Field

[0001] This utility model belongs to the field of medical equipment technology, specifically relating to a medical compressed air post-processing module and supply system. Background Technology

[0002] Currently, medium-sized and larger hospitals all use centralized medical air compression to supply compressed medical air to operating rooms, wards, and other departments that require medical air. Existing medical compressed air supply systems include an air compressor (referred to as an air compressor), a humid air tank, an inlet filter, a dryer, an outlet filter, and a pressure reducing valve, all connected sequentially through pipelines. The compressed and dried air (CDA) output by the medical compressed air supply system is ultimately supplied to the air-using equipment in operating rooms, emergency rooms, treatment rooms, and other wards for medical use.

[0003] However, in existing technologies, the components of medical compressed air supply systems are installed in a relatively dispersed manner on-site, making on-site assembly complex and difficult to centrally manage and maintain. Moreover, the connecting pipes and control circuits during on-site installation are messy, making it difficult to guarantee safety and stability. In addition, the existing medical compressed air supply systems do not have adequate monitoring capabilities for the quality of the output air. Summary of the Invention

[0004] The primary objective of this invention is to provide a medical compressed air post-processing module, aiming to improve the ease of assembly and maintenance of downstream components of the air compressor in a medical compressed air supply system. The technical solution for achieving this primary objective is as follows:

[0005] A medical compressed air post-processing module includes an air inlet pipe, an air inlet filter, a dryer, an air outlet filter, and an air outlet pipe connected sequentially via pipelines; characterized in that it further includes a movable base and a control box, wherein the dryer and the control box are fixedly disposed on both sides above the movable base, and the air inlet pipe, air inlet filter, air outlet filter, and air outlet pipe are mounted between the dryer and the control box; the control box is electrically connected to the dryer.

[0006] As a preferred technical solution, the medical compressed air after-treatment module further includes an electric ball valve, which is installed on the air inlet pipe; the control box is electrically connected to the electric ball valve.

[0007] As a preferred technical solution, the medical compressed air after-treatment module further includes a pressure reducing valve disposed between the outlet filter and the outlet pipe; the inlet filter, dryer, outlet filter, and pressure reducing valve are two sets, one for use and one for backup.

[0008] As a preferred technical solution, the dryer is an adsorption dryer.

[0009] The medical compressed air after-treatment module provided by the above solution integrates the inlet pipe, inlet filter, dryer, outlet filter, pressure reducing valve, outlet pipe, and control box onto a mobile base, forming a highly integrated medical compressed air after-treatment module. This allows for centralized assembly of these components at the factory, ensuring installation quality and reducing the risk of air leakage. Upon delivery to the site, the entire module is easily movable; on-site assembly is completed simply by connecting the inlet pipe to the humid air storage tank downstream of the on-site air compressor and the outlet pipe to the piping network of the air-using equipment. Furthermore, the centralized connection and control lines, along with shorter piping, save costs. In addition, the electric ball valve added to the inlet pipe facilitates overall control of the medical compressed air after-treatment module's operating mode.

[0010] The second objective of this utility model is to provide a medical compressed air supply system, aiming to improve the ease of assembly and maintenance of the medical compressed air supply system. The second objective of this utility model is achieved through the following technical solution:

[0011] A medical compressed air supply system includes an air compressor, a humid air storage tank, a central controller, and a gas-using equipment pipeline network; characterized in that it further includes the aforementioned medical compressed air post-processing module, wherein the inlet pipe of the medical compressed air post-processing module is connected to the output end of the humid air storage tank, and the outlet pipe of the medical compressed air post-processing module is directly or indirectly connected to the gas-using equipment pipeline network; the central controller is electrically connected to the air compressor and the medical compressed air post-processing module.

[0012] As a preferred technical solution, the medical compressed air supply system further includes a dry air storage tank, the input end of which is connected to the outlet pipe of the medical compressed air post-processing module, and the output end of which is used to connect to the gas-using equipment pipeline network.

[0013] As a preferred technical solution, the medical compressed air supply system further includes a collection box, in which a dew point detector is installed, and the dew point detector is electrically connected to the central controller; the output end of the dry air storage tank is connected to the gas-using equipment pipeline network after passing through the collection box.

[0014] As a preferred technical solution, the acquisition box is also equipped with an output pressure sensor, which is electrically connected to the central controller.

[0015] As a preferred technical solution, the collection box is also equipped with a CO concentration sensor, which is electrically connected to the central controller.

[0016] As a preferred technical solution, both the humid air storage tank and the dry air storage tank are equipped with tank pressure sensors, which are electrically connected to the central controller. The medical compressed air supply system provided by the above solution has the advantages of easy assembly, easy maintenance, and low cost offered by the medical compressed air post-processing module. Furthermore, by adding a dry air storage tank, the buffering capacity is improved, and the operating modes of the air compressor and the medical compressed air post-processing module can be controlled more flexibly, resulting in energy savings and reduced consumption. Moreover, by adding a data acquisition box, real-time data such as output pressure, CO concentration, and dew point are obtained and fed back to the central control unit for further auxiliary control and early warning monitoring. Attached Figure Description

[0017] To more clearly illustrate the embodiments of this utility model, the accompanying drawings used in the description of the embodiments or the prior art will be briefly described below.

[0018] Figure 1 This is a perspective view of the medical compressed air post-processing module provided in this embodiment of the utility model.

[0019] Figure 2 This is a side view of the medical compressed air post-processing module provided in this embodiment of the utility model.

[0020] Figure 3 This is a schematic diagram of the medical compressed air supply system provided in this embodiment of the utility model.

[0021] Figure 4 This is a control principle diagram of the medical compressed air supply system provided in this embodiment of the utility model. Detailed Implementation

[0022] To make the technical solution of the present invention clearer and its technical advantages more apparent, the technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of the present invention.

[0023] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. For ease of explanation, the orientations are defined in conjunction with the drawings. These orientation definitions are merely for the purpose of clearly describing the relative positional relationships and are not intended to limit the actual orientation of the product or device during production, use, or sale. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Moreover, in the embodiments of the present invention, unless otherwise explicitly specified and limited, the terms "installation," "setting," "connection," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific circumstances.

[0024] Combination Figure 1 and Figure 2 As shown, the medical compressed air post-processing module 100 provided in this embodiment includes a movable base 10, a control box 20, an air inlet pipe 30, a first air inlet filter 41, a first dryer 51, a first air outlet filter 61, a first pressure reducing valve 71, and an air outlet pipe 80; the air inlet pipe 30, the first air inlet filter 41, the first dryer 51, the first air outlet filter 61, the first pressure reducing valve 71, and the air outlet pipe 80 are connected sequentially through pipelines.

[0025] The medical compressed air post-processing module 100 provided in this embodiment also includes a second intake filter 42, a second dryer 52, a second exhaust filter 62, and a second pressure reducing valve 72. The second intake filter 42, the second dryer 52, the second exhaust filter 62, and the second pressure reducing valve 72 are connected sequentially through pipelines. The input end of the second intake filter 42 is also connected to the intake pipe 30, and the output end of the second pressure reducing valve 72 is also connected to the exhaust pipe 80. That is to say, in this embodiment, two sets of intake filters, dryers, exhaust filters, and pressure reducing valves are provided between the intake pipe 30 and the exhaust pipe 80, and the first set is configured as the main set and the second set is configured as a backup set.

[0026] In this embodiment, the first dryer 51 and the second dryer 52 are fixedly installed on one side above the movable base 10, and the control box 20 is fixedly installed on the other side above the movable base 10. The air inlet pipe 30, the air outlet pipe 80, and two sets of air inlet filters, air outlet filters, and pressure reducing valves are mounted between the two dryers and the control box 20. In this embodiment, the two dryers are adsorption dryers (referred to as adsorption dryers). The control box 20 is electrically connected to the two dryers and the two pressure reducing valves.

[0027] The medical compressed air after-treatment module 100 provided in the above embodiments integrates the inlet pipe, inlet filter, dryer, outlet filter, pressure reducing valve, outlet pipe and control box on a mobile base to form a highly integrated medical compressed air after-treatment module. These components can be assembled in the factory and are easy to move when transported to the site. On-site assembly can be completed simply by connecting the inlet pipe to the humid air storage tank downstream of the on-site air compressor and the outlet pipe to the pipeline network of the air-using equipment. Moreover, the connecting pipelines and control lines are relatively concentrated and the pipelines used are shorter, which saves costs.

[0028] See also Figure 1 and Figure 2 As shown, the medical compressed air after-treatment module 100 provided in this embodiment also includes an electric ball valve 90, which is disposed on the air inlet pipe 30, and the control box 20 is electrically connected to the electric ball valve 90. By adding an electric ball valve 90 to the air inlet pipe 30, it is convenient to control the overall working mode of the medical compressed air after-treatment module 100.

[0029] See Figure 3 As shown, this embodiment also provides a medical compressed air supply system, including: a medical compressed air post-processing module 100, an air compressor 200, a humid air storage tank 300, a central controller (not shown in the figure), and a gas-using equipment pipeline network 500; the air inlet pipe 30 of the medical compressed air post-processing module 100 is connected to the output end of the humid air storage tank 300, and the air outlet pipe 80 of the medical compressed air post-processing module 100 is used to directly or indirectly connect to the gas-using equipment pipeline network 500; the central controller is electrically connected to the air compressor 200 and the medical compressed air post-processing module 100.

[0030] See also Figure 3 The medical compressed air supply system provided in this embodiment also includes a dry air storage tank 400. The input end of the dry air storage tank 400 is connected to the outlet pipe 80 of the medical compressed air post-processing module 100, and the output end of the dry air storage tank 400 is connected to the pipeline network 500 of the air-using equipment. By adding the dry air storage tank 400, this embodiment improves the buffering capacity and allows for more flexible control of the operating modes of the air compressor 200 and the medical compressed air post-processing module 100, thereby saving energy and reducing consumption.

[0031] See also Figure 3The medical compressed air supply system provided in this embodiment also includes a collection box 600, which is equipped with a dew point detector, an output pressure sensor, and a CO concentration sensor. The dew point detector, output pressure sensor, and CO concentration sensor are electrically connected to the central controller. The output end of the dry air storage tank 400 is connected to the gas-using equipment pipeline network after passing through the collection box 600, so that the dew point detector, output pressure sensor, and CO concentration sensor are detected within the collection box 600.

[0032] In addition, in the medical compressed air supply system provided in this embodiment, both the humid air storage tank 300 and the dry air storage tank 400 are equipped with storage tank pressure sensors, and the storage tank pressure sensors are electrically connected to the central controller.

[0033] The medical compressed air supply system provided by the above solution acquires real-time data such as output pressure, CO concentration, dew point, and storage tank pressure by adding a data acquisition box and a storage tank pressure sensor, and feeds the signals back to the central control unit for further auxiliary control and early warning monitoring.

[0034] Combination Figure 4 As shown, an example of the control flow of the medical compressed air supply system provided in the above embodiments is as follows:

[0035] 1. After the central controller (hereinafter referred to as the central controller) has completed its self-test and meets the conditions for automatic operation, it will start to execute automatic operation when it receives the start command or before the power failure. Automatic operation will start after the delay period.

[0036] 2. After automatic operation begins, when the air tank pressure (feedback from the tank pressure sensor) is lower than the set lower limit, the central control output controls the electric ball valve 90 on the air inlet pipe 30 to open; after a delay, the air compressor is started and the adsorption dryer (hereinafter referred to as the adsorption dryer) is started.

[0037] 3. The compressed gas discharged from the air compressor is stored and cooled in the humid air storage tank 300, and then flows into the desiccant dryer through the pipeline. After the desiccant dryer adsorbs and processes the gas, it becomes dry gas and flows into the dry air storage tank 400 for storage. After being sampled by the storage tank pressure sensor, the real-time pressure is fed back to the central control display.

[0038] 4. When the air pressure is higher than the set upper limit, the central control unit will stop the air compressor that has been started. After a delay, the central control unit will close the electric ball valve 90 to prevent gas from flowing into the desiccant dryer.

[0039] 5. After drying, the air is depressurized by the pressure regulating module and then output to the air distribution cylinder. The air is sampled by the 600 sampling box at the back end in the output pipeline to obtain real-time data such as output pressure, CO concentration, and dew point, and the signal is fed back to the central control.

[0040] 6. Based on the signals fed back by each sensor, the central control unit processes, calculates, and analyzes them to determine whether to execute, stop, or issue an alarm.

[0041] Dew point energy-saving control includes the following two key aspects:

[0042] Key Point 1: For some models of desiccant dryers that cannot be controlled by a central control unit:

[0043] Because the desiccant dryer operates on a cyclic regeneration characteristic, it discharges a relatively large volume of gas in each regeneration cycle. The larger the air volume processed by the desiccant dryer, the more gas it discharges. When the downstream user does not use gas, uses less gas, or the air compressor is shut down for rest, the desiccant dryer is still regenerating and discharging gas, which will inevitably lead to the waste of the air stored in the front-end humid air tank 300. When the pressure in the humid air tank 300 drops to the set lower limit, the air compressor will be restarted to ensure the stored air volume. At this time, the air compressor will work more or continuously, which will increase the waste of electricity and the maintenance cost of the air compressor.

[0044] Therefore, in this embodiment, an electric ball valve 90 is added at the front end of the desiccant dryer, that is, between the desiccant dryer and the humid air storage tank 300, and a dry air storage tank 400 is set at the rear end of the desiccant dryer. A pressure sensor is installed on the dry air storage tank 400. The start and stop of the air compressor are determined based on the pressure range of the dry air storage tank 400. When the air consumption at the rear end is low, the air compressor can be stopped and the electric ball valve 90 can be closed while ensuring that the air pressure in the dry air storage tank is within the set range. The air stored in the front-end humid air storage tank 300 will not be lost or wasted, thus achieving the purpose of energy saving.

[0045] Key Point 2: For models of desiccant dryers that can be centrally controlled:

[0046] The key element is the signal feedback collected by the dew point detector. The central control unit processes and calculates the dew point signal to analyze whether it is within the set value range. If it is within the set value range, the desiccant will not work. If the dew point value is higher than the set range and the air compressor is running, the desiccant will work again, thereby achieving the purpose of energy saving.

[0047] The above are preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. A medical compressed air post-processing module, comprising an air inlet pipe, an air inlet filter, a dryer, an air outlet filter and an air outlet pipe connected in sequence by pipes; characterized in that, It also includes a mobile base and a control box, the drying machine and the control box are fixedly arranged on the two sides of the mobile base, the air inlet pipe, the air inlet filter, the air outlet filter and the air outlet pipe are arranged between the drying machine and the control box; the control box is electrically connected with the drying machine.

2. Medical compressed air aftertreatment module according to claim 1, characterized in that It also includes an electric ball valve arranged on the air inlet pipe; the control box is electrically connected with the electric ball valve.

3. The medical compressed air aftertreatment module of claim 1, wherein, It also includes a pressure reducing valve arranged between the air outlet filter and the air outlet pipe; the air inlet filter, the drying machine, the air outlet filter and the pressure reducing valve are two groups of one for one.

4. The medical compressed air aftertreatment module of claim 1, wherein, The drying machine is an adsorption type drying machine.

5. A medical compressed air supply system comprising an air compressor, a wet air storage tank, a central controller, a pipeline network of gas consumers; characterized in that, It also includes the medical compressed air post-processing module of any one of claims 1-4, the air inlet pipe of the medical compressed air post-processing module is connected with the output end of the wet air storage tank, the air outlet pipe of the medical compressed air post-processing module is directly or indirectly connected with the gas equipment pipe network; the central controller is electrically connected with the air compressor and the medical compressed air post-processing module.

6. A medical compressed air supply system according to claim 5, characterized in that The medical compressed air supply system also includes a dry air storage tank, the input end of the dry air storage tank is connected with the air outlet pipe of the medical compressed air post-processing module, and the output end of the dry air storage tank is used to connect with the gas equipment pipe network.

7. A medical compressed air supply system according to claim 6, characterized in that The medical compressed air supply system also includes a collection box, a dew point detector is arranged in the collection box, and the dew point detector is electrically connected with the central controller; the output end of the dry air storage tank is connected with the gas equipment pipe network through the collection box.

8. A medical compressed air supply system according to claim 7, characterized in that An output pressure sensor is also arranged in the collection box, and the output pressure sensor is electrically connected with the central controller.

9. A medical compressed air supply system according to claim 8, characterized in that A CO concentration sensor is also arranged in the collection box, and the CO concentration sensor is electrically connected with the central controller.

10. The medical compressed air supply system of claim 6, wherein, The wet air storage tank and the dry air storage tank are both provided with a storage tank pressure sensor, and the storage tank pressure sensor is electrically connected with the central controller. The wet air storage tank and the dry air storage tank are both provided with a storage tank pressure sensor, and the storage tank pressure sensor is electrically connected with the central controller.

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