Accurate flow testing device for multifunctional automatic infusion apparatus
By using automated peristaltic pump water injection, multi-probe detection, and magnetic stirrer, the cumbersome manual operation of existing infusion set testing devices has been solved, enabling accurate detection of infusion set flow rate and simplified operation.
Patent Information
- Application Number
- CN202520552458.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing infusion set testing equipment requires manual sample installation, external circulating water pump to stabilize water temperature, manual raising of liquid level, and manual weighing and calculation. It cannot prevent liquid level fluctuations, and the whole process is cumbersome and requires full manual involvement.
A multifunctional automatic infusion set flow rate precision testing device was designed. It uses a peristaltic pump to inject water, sets up multiple detection probes to detect water temperature difference, and combines a magnetic stirrer and lifting mechanism to automatically control water volume and temperature, reduce manual intervention, and achieve precise flow rate detection.
It achieves more stable water injection, more uniform water temperature, reduces manual intervention, accurately controls the flow rate of the infusion set, and simplifies the operation process.
Smart Images

Figure CN223883184U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test device field, concretely is a kind of multifunctional automatic infusion device flow precision testing device. BACKGROUND
[0002] With the continuous development of infusion technology and the increasing improvement of clinical requirements, some infusion devices that can adapt to special clinical requirements are generated, and in some special application cases, the control of infusion flow rate is required to be stable, and the scale flow regulating infusion device is specially designed to meet the requirements of this clinical application.
[0003] The scale flow regulator of the infusion device has the advantages of keeping the flow stable and achieving the set flow according to the scale compared with the ordinary flow regulator, but the types and styles of the regulator of the infusion device are various, and various designs are required to obtain standard values, which need to be detected.
[0004] The existing infusion device testing device needs manual installation of sample, uses external circulating water pump to stabilize water temperature, manually raises liquid level, manually weighs and calculates, cannot prevent liquid level from shaking, the whole process is very cumbersome, and manual operation is required throughout the process. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims at providing a multifunctional automatic infusion device flow precision testing device to solve the technical problems that the existing infusion device testing device needs manual installation of sample, uses external circulating water pump to stabilize water temperature, manually raises liquid level, manually weighs and calculates, cannot prevent liquid level from shaking, the whole process is very cumbersome, and manual operation is required throughout the process.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multifunctional automatic infusion device flow precision testing device, which comprises a shell, a control machine is installed at one corner of the top surface of the shell, and a touch screen is arranged on the control machine, a weighing disc and a heating disc are installed on the top surface of the shell, a magnetic stirrer is installed on the top surface of the shell in the middle of the heating disc, a water storage tank is arranged in the shell, a water faucet is arranged on the top surface of the shell and located above the weighing disc, a lifting mechanism is arranged on the top surface of the shell, a thermostat is placed on the lifting part of the lifting mechanism, a hose is connected between the thermostat and the water storage tank, a peristaltic pump matched with the hose is installed on the top surface of the control machine, and a temperature detection mechanism is arranged on one side of the heating disc on the top surface of the shell.
[0007] The utility model is further provided, the magnetic stirrer comprises a magnetic stirring disc and a stirring rod (not shown in the figure), the magnetic stirring disc is located at the center of the heating disc, and the stirring rod is placed in the beaker during use and is magnetically attracted and adsorbed to the magnetic stirring disc.
[0008] The utility model further sets up, the lifting mechanism includes lifting column, lifting plate, screw rod, synchronous wheel, synchronous belt and motor, the top surface periphery of shell is provided with lifting column, the lifting plate is connected with the lifting column on the sliding, the thermostat is set on the lifting plate, the lifting column both sides are rotatably connected with the screw rod of bottom end deeply going into the inside of shell, the bottom surface of two screw rods all is connected with synchronous wheel, the synchronous belt is sheathed on the synchronous wheel, the inside of shell is installed with the support of halfly wrapping a synchronous wheel, the motor of output end and synchronous wheel connection is installed on the support.
[0009] The utility model further sets up, the temperature detection mechanism includes first support, second support, third support, detection column and detection probe, the top surface of shell is located one side of heating disc rotatably connected with first support, and the top surface of first support is rotatably connected with second support, the second support is slidably connected with third support, the third support is slidably connected with the detection column perpendicular to third support on the third support, a plurality of detection probes of equal interval are installed on the detection column.
[0010] The utility model further sets up, the inside of shell is installed with circuit board, and the detection column top surface is connected with control machine between wire.
[0011] Summarized above, the utility model mainly has following beneficial effect:
[0012] The utility model discloses a peristaltic pump extrusion hose is used to inject water into the thermostat, and the water injection is more stable, and the water amount in the thermostat can be accurately controlled, and the manual participation is less, through setting up the detection column of multiple detection probes, the water temperature difference of different height water in the beaker is detected, and the stirring speed of the stirring device is controlled, so that the water temperature is more average, and the temperature influence on the flow rate of the detected infusion set is prevented. ACCURACY
[0013] Figure 1 It is the structural schematic diagram of the first visual angle of the utility model;
[0014] Figure 2 It is the structural schematic diagram of the second visual angle of the utility model;
[0015] Figure 3 It is the inside structure schematic diagram of the utility model;
[0016] Figure 4 It is the structural schematic diagram of temperature detection mechanism of the utility model;
[0017] Figure 5 It is the principle view of peristaltic pump.
[0018] In the figure: 1, the shell; 2, control machine; 3, touch screen; 4, weighing disc; 5, heating disc; 6, magnetic stirring disc; 7, lifting column; 8, lifting plate; 9, thermostat; 10, screw rod; 11, synchronous wheel; 12, synchronous belt; 13, motor; 14, first support; 15, second support; 16, third support; 17, detection column; 18, detection probe; 19, water faucet; 20, peristaltic pump; 21, hose; 22, water tank; 23, circuit board. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation on the utility model.
[0020] The embodiments of the utility model will be described below according to the overall structure of the utility model.
[0021] A multifunctional automatic infusion device flow precision testing device, such as Figures 1-5As shown, including the shell 1, the shell 1 top corner is provided with control machine 2, and the control machine 2 is provided with touch screen 3, the top of the shell 1 is provided with weighing disc 4 and heating disc 5, the shell 1 is provided with water storage tank 22, and the top of the shell 1 is provided with water outlet located above the weighing disc 4 of the water faucet 19, the water faucet 19 is connected with the water storage tank 22, and the water faucet is provided with accurate water pump, first place beaker on the weighing disc 4, start accurate water pump, cooperate with the weighing of the weighing disc 4, take a certain amount of water, you can move the beaker above the heating disc 5, the top of the shell 1 is provided with magnetic stirrer in the middle of the heating disc 5, the magnetic stirrer includes magnetic stirring disc 6 and stirring rod (not shown in the figure), the magnetic stirring disc 6 is located at the center of the heating disc 5, then put the stirring rod into the beaker, which can be automatically adsorbed to the center of the magnetic stirring disc 6 due to magnetic force, the top of the shell 1 is rotatably connected with the first support 14 on one side of the heating disc 5, and the top of the first support 14 is rotatably connected with the second support 15, the second support 15 is slidably connected with the third support 16, the third support 16 is slidably connected with the detection column 17 perpendicular to the third support 16, a plurality of detection probes 18 equally spaced are installed on the detection column 17, then rotate the first support 14, and slide the third support 16, move the detection column 17 above the beaker, press the detection column 17 downward, slide until the detection probe 18 rises into the liquid in the beaker, a plurality of detection probes 18 are used to detect the water temperature at different depths, the heating disc 5 can heat the liquid in the beaker, and start the magnetic stirring disc 6 to drive the stirring rod to rotate, mix the water temperature in the beaker, the top of the shell 1 is provided with lifting mechanism, and the lifting part of the lifting mechanism is placed with constant temperature box 9, the constant temperature box 9 and the water storage tank 22 are connected with hose 21, the connection between the hose 21 and the constant temperature box 9 is provided with pressure valve, the top of the control machine 2 is provided with peristaltic pump 20 matched with the hose 21, then the hose 21 is sleeved on the peristaltic pump 20, the peristaltic pump 20 can accurately input water into the constant temperature box 9 by extruding the hose 21, the pressure valve can block the outlet of the hose 21 when the peristaltic pump 20 does not work, prevent water from leaking into the constant temperature box 9, prevent the input water from being inaccurate, connect the inlet of the infusion set required to be detected with the constant temperature box 9, place the outlet into the beaker, adjust the height of the lifting mechanism according to the height of the infusion set, prevent the infusion tube from bending and folding to affect the flow rate, the detector built in the constant temperature box 9 detects the water flow, weighs the beaker at this time, calculates the flow rate of the infusion set according to the time and the weight difference of the beaker, and the built-in calculation of the control machine 2 can increase the density coefficient and automatically calculate.
[0022] The shell 1 is internally provided with a circuit board 23, and the detection column 17 is connected with the control machine 2 through wires, so that the detection column 17 can transmit the detection result to the control machine 2, and the control machine 2 can control the rotating speed of the magnetic stirring disc 6 according to the temperature difference of the liquid at different positions detected by the detection column 17, so that the water temperature is more uniform.
[0023] The lifting mechanism comprises a lifting column 7, a lifting plate 8, a screw rod 10, a synchronous wheel 11, a synchronous belt 12 and a motor 13, the periphery of the top surface of the shell 1 is provided with the lifting column 7, the lifting plate 8 is slidably connected to the lifting column 7, the thermostat 9 is arranged on the lifting plate 8, the screw rod 10 is rotatably connected to the both sides of the lifting column 7 and extends into the shell 1, the bottom surface of the two screw rods 10 is connected with the synchronous wheel 11, the synchronous belt 12 is sleeved on the synchronous wheel 11, the shell 1 is internally provided with a bracket which partially covers one synchronous wheel 11, the motor 13 is arranged on the bracket and connected with the synchronous wheel 11, the motor 13 is started to drive one synchronous wheel 11 to rotate, and the other synchronous wheel 11 is driven to rotate synchronously through the synchronous belt 12, so that the two screw rods 10 are synchronously rotated to drive the lifting plate 8 to lift.
[0024] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.
Claims
1. A multifunctional automatic infusion device flow precision testing device, comprising a shell (1), characterized in that: The control machine (2) is arranged on one corner of the top surface of the shell (1), and a touch screen (3) is arranged on the control machine (2); a weighing disc (4) and a heating disc (5) are arranged on the top surface of the shell (1), and a magnetic stirrer is arranged on the top surface of the shell (1) and located in the middle of the heating disc (5); a water storage tank (22) is arranged in the shell (1), and a water faucet (19) is arranged on the top surface of the shell (1) and located above the weighing disc (4); a lifting mechanism is arranged on the top surface of the shell (1), and a thermostat (9) is arranged on the lifting part of the lifting mechanism; a hose (21) is connected between the thermostat (9) and the water storage tank (22); a peristaltic pump (20) is arranged on the top surface of the control machine (2) and matched with the hose (21); and a temperature detection mechanism is arranged on one side of the heating disc (5) on the top surface of the shell (1).
2. The multifunctional automatic infusion device flow precision testing device according to claim 1, characterized in that: The magnetic stirrer comprises a magnetic stirring disc (6) and a stirring rod, the magnetic stirring disc (6) is located at the center of the heating disc (5), and the stirring rod is placed in the beaker and magnetically attracted to the magnetic stirring disc (6) during use.
3. The multifunctional automatic infusion device flow precision testing device according to claim 1, characterized in that: The lifting mechanism comprises a lifting column (7), a lifting plate (8), a lead screw (10), a synchronous wheel (11), a synchronous belt (12) and a motor (13); the lifting column (7) is arranged on the periphery of the top surface of the shell (1); the lifting plate (8) is slidably connected to the lifting column (7); the thermostat (9) is arranged on the lifting plate (8); the lead screw (10) is rotatably connected to the lifting column (7) and extends into the shell (1); the bottom surfaces of the two lead screws (10) are connected to the synchronous wheels (11); the synchronous belt (12) is sleeved on the synchronous wheels (11); a bracket is arranged in the shell (1) and partially covers one of the synchronous wheels (11); and the motor (13) is arranged on the bracket and connected to the synchronous wheel (11).
4. The multifunctional automatic infusion device flow precision testing device according to claim 1, characterized in that: The temperature detection mechanism comprises a first bracket (14), a second bracket (15), a third bracket (16), a detection column (17) and a detection probe (18); the first bracket (14) is rotatably connected to one side of the top surface of the shell (1); the top surface of the first bracket (14) is rotatably connected to the second bracket (15); the second bracket (15) is slidably connected to the third bracket (16); the third bracket (16) is slidably connected to the detection column (17) which is perpendicular to the third bracket (16); and a plurality of detection probes (18) are arranged on the detection column (17) and equally spaced.
5. The multifunctional automatic infusion device flow precision testing device according to claim 4, characterized in that: A circuit board (23) is arranged in the shell (1); and wires are connected between the top surface of the detection column (17) and the control machine (2).