A flow test system for infusion set

Abstract

The present invention relates to the technical field of infusion flow testing, and discloses an infusion flow testing system, including a device bottom box, wherein a flow testing mechanism and a circulation testing mechanism are arranged on the top of the device bottom box; the flow testing mechanism includes a first support rod, a second support rod, a water tank, a fixed frame plate, a circular groove, an electric telescopic cylinder, and a fixed ring. The present invention uses a rotating cylinder, a blade and a wireless infrared counter-radiation sensor inside a flow testing shell. When the first infusion tube and the second infusion tube are connected to the flow testing shell, the liquid contacts the blade to drive the blade, the first non-infrared counter-radiation sensor, and the rotating cylinder to rotate. The first wireless infrared counter-radiation sensor on the blade and the second wireless infrared counter-radiation sensor are constantly counter-radiated, and the counter-radiation signal can be sent to an industrial control computer. The flow of the infusion device can be judged after the number of counter-radiations, thereby conveniently detecting the infusion flow and obtaining the flow data.

Description

Technical Field

[0001] The present invention relates to the technical field of infusion set flow rate testing, in particular to an infusion set flow rate testing system. Background Art

[0002] Patent No. CN202121800470.8 discloses a catheter flow test device, specifically an infusion catheter flow test device, including a body, including a box body, a base is fixedly installed on the surface of the box body, a flow guide hole is opened inside the box body, a flow guide tube is arranged on the surface of the flow guide hole, and a metering tube is fixedly connected to the surface of the flow guide tube. The utility model is provided with a motor, a screw rod, a sleeve, a connecting rod, a movable rod, a fixed rod, a first slider and a first slide groove. Through the connection between the motor and the screw rod, the sleeve is easy to drive the connecting rod fixedly connected on the surface to move the position, and the movable rod is fixedly connected to the connecting rod, so that when the sleeve changes its position on the surface of the screw rod, the movable rod moves accordingly, so that the metering tube is easy to control the internal flow, effectively carry out the device test, and control the variables of the metering tube by the motor, so as to reduce the amount of manual participation, thereby improving work efficiency.

[0003] However, the existing infusion tube flow test device, during use, simply controls the flow inside the infusion tube, cannot conveniently detect the flow of the infusion device, cannot obtain accurate flow data, and cannot circulate the liquid to perform a cyclic infusion test. After the liquid output is completed, the liquid needs to be poured back in for testing, which wastes a lot of testing time. Moreover, it cannot simulate the drip rate regulator on the infusion tube, and cannot simulate the flow rate under different infusion drip rates. Summary of the invention

[0004] The purpose of the present invention is to provide an infusion set flow rate testing system, which solves the problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: an infusion set flow rate testing system, comprising a device bottom box, a flow rate testing mechanism and a circulation testing mechanism are arranged on the top of the device bottom box;

[0006] The process testing mechanism comprises a first support rod, a second support rod, a water tank, a fixed frame plate, a circular groove, a first electric telescopic cylinder, a fixed ring, a first infusion tube, a flow test shell and a second infusion tube; the first support rod and the second support rod are fixedly connected to the left and right sides of the top of the device bottom box respectively, the first support rod and the second support rod are penetrated by the outer top of the first support rod and the second support rod, and the water tank is fixedly connected between the two fixed rings, the first infusion tube is connected to the first connecting tube at the bottom of the water tank, the first infusion tube is connected to the first connecting tube at the bottom, the flow test shell is connected to the second connecting tube at the bottom, the second connecting tube is connected to the second infusion tube at the bottom, the second infusion tube is connected to the device bottom box, the right side of the flow test shell is bolted to the fixed frame plate, the fixed The first support rod and the second support rod are respectively penetrated on the left and right sides of the frame plate, and the outer sides of the first support rod and the second support rod are fixedly connected to the fixed frame plate; a connecting frame is fixedly connected to the right side of the flow test shell, and the front and rear sides of the inner wall of the connecting frame are fixedly connected to bearings, and a rotating rod is rotatably connected between the two bearings, a rotating cylinder is penetrated on the outer side of the rotating rod, and the rotating rod is fixedly connected inside the rotating cylinder, and one end of a plurality of blades are equidistantly fixedly connected to the outer side of the rotating cylinder, and a first wireless infrared counter-radiation sensor is embedded and fixed in the middle of the other end of the blade, and a second wireless infrared counter-radiation sensor is bolted to the left side of the flow test shell, and a circular groove is opened on the left side of the top of the flow test shell, and the first electric telescopic cylinder is bolted inside the circular groove, and a water tank is attached to the top of the first electric telescopic cylinder.

[0007] As a preferred embodiment of the present invention, the circulation test mechanism includes a first hose, a water pump and a second hose; the first hose is connected to the left side of the top of the bottom box of the device, the top of the first hose is connected to the water pump, the top of the water pump is connected to the second hose, and the top of the second hose is connected to the water tank through a fixed frame plate.

[0008] As a preferred embodiment of the present invention, an industrial computer is bolted to the front side of the fixed frame plate.

[0009] As a preferred implementation manner of the present invention, the first wireless infrared radiation sensor and the second wireless infrared radiation sensor are connected to the industrial control computer signal.

[0010] As a preferred embodiment of the present invention, a second electric telescopic cylinder is bolted to the top left side of the inner wall of the fixed frame plate.

[0011] As a preferred embodiment of the present invention, a concave plate is fixedly connected to the right side of the second electric telescopic cylinder, a fixing rod is fixedly connected to the depression on the right side of the concave plate, and a pressure wheel passes through the outer side of the fixing rod.

[0012] As a preferred embodiment of the present invention, the bottom of the right side of the bottom box of the device is connected to a water outlet pipe, and the right side of the water outlet pipe is movably connected to a pipe cover.

[0013] As a preferred embodiment of the present invention, an overflow hole is opened on the left top of the water tank, an elastic plastic clip is clamped on the outer top of the second support rod, and the static pressure height between the water tank and the flow test shell is 1m to 1.5m.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention uses a rotating cylinder, a blade and a wireless infrared counter-radiation sensor inside a flow test shell. When the first infusion tube and the second infusion tube are connected to the flow test shell, liquid contacts the blade to drive the blade, the first non-infrared counter-radiation sensor and the rotating cylinder to rotate. The first wireless infrared counter-radiation sensor on the blade and the second wireless infrared counter-radiation sensor continuously radiate each other, and the radiated signal can be sent to an industrial control computer. The flow of the infusion set can be determined after the number of radiates, thereby conveniently detecting the infusion flow and obtaining the flow data, which is conducive to a more practical use of an infusion set flow test system.

[0016] 2. The present invention not only can use the first water pipe and water pump on the water tank and the first hose and water pump on the device bottom box to input liquid into the infusion housing, but also can re-input the liquid inside the device bottom box into the water tank through the first hose and water pump to perform a flow test cycle, which is conducive to more practical use of an infusion flow test system.

[0017] 3. Since the present invention is provided with a second electric telescopic cylinder and a pressure wheel inside the fixed frame plate, the second electric telescopic cylinder can be used to drive the pressure wheel to move to the right side, and the first infusion tube can be squeezed by pressure, so as to simulate the flow conditions under different infusion dripping speeds, and test the flow rates under different infusion dripping speeds, which is conducive to a more practical use of an infusion flow test system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of an infusion flow testing system of the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of a fixed frame plate of an infusion flow test system of the present invention;

[0021] Figure 3A schematic diagram of the internal structure of a flow test housing of an infusion set flow test system of the present invention;

[0022] Figure 4 The figure is a schematic diagram of the internal structure of a connecting frame of an infusion set flow rate testing system of the present invention.

[0023] In the figure: 1. device bottom box; 2. first support rod; 3. second support rod; 4. water tank; 5. round groove; 6. first electric telescopic cylinder; 7. fixing ring; 8. elastic plastic clip; 9. first infusion tube; 10. fixing frame plate; 11. industrial computer; 12. first hose; 13. water pump; 14. second hose; 15. water outlet pipe; 16. pipe cover; 17. second infusion tube; 18. second electric telescopic cylinder; 19. concave plate; 20. fixing rod; 21. pressure wheel; 22. flow test shell; 23. first connecting pipe; 24. second connecting pipe; 25. second wireless infrared counter-radiation sensor; 26. connecting frame; 27. bearing; 28. rotating rod; 29. ​​rotating cylinder; 30. blade; 31. first wireless infrared counter-radiation sensor; 32. overflow hole. DETAILED DESCRIPTION

[0024] See also Figure 1-4 , the present invention provides a technical solution: an infusion set flow rate testing system, comprising a device bottom box 1, wherein a flow rate testing mechanism and a circulation testing mechanism are arranged on the top of the device bottom box 1;

[0025] The flow test mechanism comprises a first support rod 2, a second support rod 3, a water tank 4, a fixed frame plate 10, a circular groove 5, a first electric telescopic cylinder 6, a fixed ring 7, a first infusion tube 9, a flow test shell 22 and a second infusion tube 17; the first support rod 2 and the second support rod 3 are fixedly connected to the left and right sides of the top of the bottom box 1 of the device, the first support rod 2 and the second support rod 3 are both penetrated by the top of the outer side of the first support rod 2 and the second support rod 3, and the water tank 4 is fixedly connected between the two fixed rings 7, the bottom right side of the water tank 4 is connected to the first infusion tube 9, and the bottom of the first infusion tube 9 The first connecting tube 23 is connected to the bottom of the flow test housing 22, the bottom of the flow test housing 22 is connected to the second connecting tube 24, the bottom of the second connecting tube 24 is connected to the second infusion tube 17, the bottom of the second infusion tube 17 is connected to the device bottom box 1, the right side of the flow test housing 22 is bolted to the fixed frame plate 10, the left and right sides of the fixed frame plate 10 are respectively penetrated by the first support rod 2 and the second support rod 3, and the outer sides of the first support rod 2 and the second support rod 3 are fixedly connected to the fixed frame plate 10;

[0026] A connecting frame 26 is fixedly connected to the right side of the flow test shell 22, and bearings 27 are fixedly connected to the front and rear sides of the inner wall of the connecting frame 26, and a rotating rod 28 is rotatably connected between the two bearings 27. A rotating cylinder 29 passes through the outer side of the rotating rod 28, and the rotating cylinder 29 is fixedly connected to the rotating rod 28. One end of a plurality of blades 30 are equidistantly fixedly connected to the outer side of the rotating cylinder 29, and a first wireless infrared counter-radiation sensor 31 is embedded and fixed in the middle of the other end of the blade 30. The second wireless infrared counter-radiation sensor 25 is bolted to the left side of the flow test shell 22, and a circular groove 5 is opened on the left side of the top of the flow test shell 22. The first electric telescopic cylinder 6 is bolted inside the circular groove 5, and the top of the first electric telescopic cylinder 6 is attached to the water tank 4.

[0027] It should be noted that, through the rotating cylinder 29, the blade 30 and the wireless infrared counter-radiation sensor inside the flow test shell 22, when the first infusion tube 9 and the second infusion tube 17 are connected to the flow test shell 22, the liquid contacts the blade 30, which will drive the blade 30, the first non-infrared counter-radiation sensor 31, and the rotating cylinder 29 to rotate. The first wireless infrared counter-radiation sensor 31 on the blade 30 and the second wireless infrared counter-radiation sensor 25 continuously radiate each other, and the radiated signal can be sent to the industrial control computer. The flow of the infusion device can be determined after the number of radiates, thereby conveniently detecting the infusion flow and obtaining the flow data.

[0028] In this embodiment, please refer to Figure 1 The circulation test mechanism includes a first hose 12, a water pump 13 and a second hose 14; the first hose 12 is connected to the left side of the top of the bottom box 1 of the device, the top of the first hose 12 is connected to the water pump 13, the top of the water pump 13 is connected to the second hose 14, and the top of the second hose 14 passes through the fixed frame plate 10 and is connected to the water tank 4.

[0029] It should be noted that, due to the first water pipe 5 and water pump on the water tank 4 and the first hose 12 and water pump 13 on the device bottom box 1, not only can the first water pipe 5 and the water pump be used to input the liquid into the infusion housing 8, but also the liquid inside the device bottom box 1 can be re-input into the water tank 4 through the first hose 12 and the water pump 13 to perform a flow test cycle.

[0030] In this embodiment, please refer to Figure 1 The front side of the fixed frame plate 10 is bolted to an industrial computer 11 .

[0031] In this embodiment, please refer to Figure 1 The first wireless infrared sensor 31 and the second wireless infrared sensor 25 are connected to the industrial computer 11 by signal.

[0032] In this embodiment, please refer to Figure 1The top left side of the inner wall of the fixed frame plate 10 is bolted with a second electric telescopic cylinder 18 .

[0033] In this embodiment, please refer to Figure 1 A concave plate 19 is fixedly connected to the right side of the second electric telescopic cylinder 18, a fixing rod 20 is fixedly connected to the concave portion on the right side of the concave plate 19, and a pressure wheel 21 passes through the outer side of the fixing rod 20.

[0034] It should be noted that, since a second electric telescopic cylinder 18 and a pressure wheel 21 are provided inside the fixed frame plate 10, the second electric telescopic cylinder 18 can be utilized to drive the pressure wheel 21 to move to the right, and the first infusion tube 9 can be squeezed by pressure, so as to simulate the flow conditions under different infusion dripping rates, and test the flow rates under different infusion dripping rates.

[0035] In this embodiment, please refer to Figure 1 The bottom right side of the bottom box 1 of the device is connected with a water outlet pipe 15, and the right side of the water outlet pipe 15 is movably connected with a pipe cover 16.

[0036] In this embodiment, please refer to Figure 1 An overflow hole 32 is provided at the left top of the water tank 4, an elastic plastic clip 8 is inserted into the outer top of the second support rod 3, and the static pressure height between the water tank 4 and the flow test housing 22 is 1m to 1.5m.

[0037] When an infusion flow test system is used, the first electric telescopic cylinder 6, the water pump 13, the industrial computer 11 and the second electric telescopic cylinder 18 are first electrically connected to an external power supply, and then the first electric telescopic cylinder 6, the water pump 13, the industrial computer 11 and the second electric telescopic cylinder 18 are connected to an external control switch signal. After the connection is completed, the first electric telescopic cylinder 6 is first opened, and the liquid is input into the infusion housing 8 through the first electric telescopic cylinder 6 and the fixing ring 7, and the liquid is input into the flow test housing 22 through the first infusion rod 9. The liquid will contact the blade 30, so that the rotating cylinder 29 and the blade 30 rotate. The first wireless infrared radiation sensor 31 on the blade 30 contacts the second wireless infrared radiation sensor 25, which will generate a radiation signal. The industrial computer 11 can record the number of radiations, and the liquid will flow into the bottom box 1 of the device along the second infusion tube 17. At this time, the water pump 13 can be turned on to re-input the liquid into the water tank 4 through the first hose 12 and the second hose 14 for circulation. When it is necessary to simulate the flow rate under different infusion dripping speeds, the second electric telescopic cylinder 18 can be turned on. The electric telescopic cylinder 18 drives the concave plate 19 and the pressure wheel 21 to move to the right to squeeze the first infusion tube 9.

[0038] It should be noted that the present invention is an infusion flow test system, comprising 1, a device bottom box; 2, a first support rod; 3, a second support rod; 4, a water tank; 5, a round groove; 6, a first electric telescopic cylinder; 7, a fixing ring; 8, an elastic plastic clip; 9, a first infusion tube; 10, a fixing frame plate; 11, an industrial computer; 12, a first hose; 13, a water pump; 14, a second hose; 15, a water outlet pipe; 16, a pipe cover; 17, a second infusion tube; 18, a second electric telescopic cylinder; 19, a concave plate; 20. Fixed rod; 21. Pressure wheel; 22. Flow test housing; 23. First connecting pipe; 24. Second connecting pipe; 25. Second wireless infrared counter-radiation sensor; 26. Connecting frame; 27. Bearing; 28. Rotating rod; 29. ​​Rotating cylinder; 30. Blade; 31. First wireless infrared counter-radiation sensor; 32. Overflow hole. All components are universal standard parts or components known to technicians in this field, and their structures and principles can be known to technicians in this field through technical manuals or through conventional experimental methods.

Claims

1. An infusion flow test system, comprising a device bottom box (1), characterized in that: A flow test mechanism and a circulation test mechanism are arranged on the top of the bottom box (1) of the device; the flow test mechanism comprises a first support rod (2), a second support rod (3), a water tank (4), a fixed frame plate (10), a circular groove (5), a first electric telescopic cylinder (6), a fixed ring (7), a first infusion tube (9), a flow test housing (22) and a second infusion tube (17); the first support rod (2) and the second support rod (3) are respectively fixedly connected on the left and right sides of the top of the bottom box (1) of the device, and the top of the outer sides of the first support rod (2) and the second support rod (3) are penetrated by a fixed ring (7), and the two fixed A water tank (4) is fixedly connected between the fixed ring (7); the right side of the bottom of the water tank (4) is connected to a first liquid infusion pipe (9); the bottom of the first liquid infusion pipe (9) is connected to a first connecting pipe (23); the bottom of the first connecting pipe (23) is connected to a flow test housing (22); the bottom of the flow test housing (22) is connected to a second connecting pipe (24); the bottom of the second connecting pipe (24) is connected to a second liquid infusion pipe (17); the bottom of the second liquid infusion pipe (17) is connected to a device bottom box (1); the right side of the flow test housing (22) is bolted to a fixed frame plate (10); the fixed frame plate (10) is bolted to the right side of the flow test housing (2 ... The first support rod (2) and the second support rod (3) are respectively passed through the left and right sides of the plate (10), and the first support rod (2) and the second support rod (3) are fixedly connected to the fixed frame plate (10) on the outside; the right side of the flow test housing (22) is fixedly connected to a connecting frame (26), the front and rear sides of the inner wall of the connecting frame (26) are fixedly connected to bearings (27), and a rotating rod (28) is rotatably connected between the two bearings (27), the outer side of the rotating rod (28) passes through a rotating cylinder (29), the interior of the rotating cylinder (29) is fixedly connected to the rotating rod (28), and the rotating cylinder (2 9) one end of a plurality of blades (30) are fixedly connected at equal intervals on the outside, a first wireless infrared radiation sensor (31) is embedded and fixed in the middle of the other end of the blade (30), a second wireless infrared radiation sensor (25) is bolted to the left side of the inside of the flow test housing (22), a circular groove (5) is opened on the left side of the top of the flow test housing (22), a first electric telescopic cylinder (6) is bolted to the inside of the circular groove (5), a water tank (4) is attached to the top of the first electric telescopic cylinder (6), and the circulation test mechanism includes a first hose (12), a water pump (13) and a second hose (14);The top left side of the device bottom box (1) is connected to a first hose (12), the top of the first hose (12) is connected to a water pump (13), the top of the water pump (13) is connected to a second hose (14), the top of the second hose (14) passes through the fixed frame plate (10) and is connected to the water tank (4), the top of the left side of the inner wall of the fixed frame plate (10) is bolted to a second electric telescopic cylinder (18), the right side of the second electric telescopic cylinder (18) is fixedly connected to a concave plate (19), the right side of the concave plate (19) is fixedly connected to a fixing rod (20), and the outer side of the fixing rod (20) is penetrated by a pressure wheel (21). ; 2. The infusion set flow rate test system according to claim 1, characterized in that: The front side of the fixed frame plate (10) is bolted to an industrial control computer (11).

3. The infusion set flow rate test system according to claim 1, characterized in that: The first wireless infrared counter-radiation sensor (31) and the second wireless infrared counter-radiation sensor (25) are connected to the industrial control computer (11) via signals.

4. The infusion set flow rate test system according to claim 1, characterized in that: The bottom right side of the bottom box (1) of the device is connected to a water outlet pipe (15), and the right side of the water outlet pipe (15) is movably connected to a pipe cover (16).

5. The infusion set flow rate test system according to claim 1, characterized in that: An overflow hole (32) is provided at the top left side of the water tank (4), an elastic plastic clip (8) is inserted into the top outer side of the second support rod (3), and the static pressure height between the water tank (4) and the flow test housing (22) is 1m to 1.5m.

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