Flow calibration loop structure of hemodialysis device detector calibration device
By incorporating a circulating pump and a solenoid valve into the calibration device of the hemodialysis device detector, air bubbles are eliminated, solving the problems of complex structure and inaccurate calibration of traditional equipment, and achieving higher calibration accuracy of the flow sensor.
Patent Information
- Application Number
- CN202423174754.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Traditional hemodialysis device flow calibration equipment is complex and bulky, and is prone to generating air bubbles during flow monitoring, resulting in inaccurate calibration data.
A circulation pump is installed in the carrier module. One end of the circulation pump is connected to a flow meter, and the other end is connected to the first solenoid valve. By setting a height difference on the partition, air bubbles are eliminated, and the calibration accuracy is improved.
By eliminating air bubbles, the calibration accuracy of the flow sensor in the calibration device of the hemodialysis device detector is improved.
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Figure CN223525863U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of instrument calibration detection technology, more particularly to a blood dialysis device detection instrument calibration device flow calibration loop structure. BACKGROUND
[0002] Blood dialysis device detection instrument calibration device is the important instrument equipment in clinic, blood dialysis device detection instrument calibration device uses in the process, need to detect the sensor of its flow, pressure and temperature regularly and correct the box, to ensure that the data of blood dialysis is accurate, avoid the adverse reaction to the patient;In the flow detection and calibration process, the traditional flow calibration equipment structure is complex, and the volume is relatively large, and in the flow monitoring process, it can produce air bubble, resulting in the inaccuracy of flow calibration data. UTILITY MODEL CONTENT
[0003] The utility model discloses a blood dialysis device detection instrument calibration device flow calibration loop structure, be provided with circulating pump in the bearing module, circulating pump one end connects the flowmeter, and the flowmeter is connected with blood dialysis device detection instrument calibration device, and the other end of circulating pump is connected with first solenoid valve, and first solenoid valve is set up on the partition, and circulating pump is set up on the bottom plate, and circulating pump and first solenoid valve produce height difference, guarantee that circulating pump can fully liquid, thereby can eliminate air bubble, improve the calibration accuracy of flow sensor in blood dialysis device detection instrument calibration device.
[0004] The utility model discloses a blood dialysis device detection instrument calibration device flow calibration loop structure, be provided with circulating pump in the bearing module, circulating pump one end connects the flowmeter, and the flowmeter is connected with blood dialysis device detection instrument calibration device, and the other end of circulating pump is connected with first solenoid valve, and first solenoid valve is set up on the partition, and circulating pump is set up on the bottom plate, and circulating pump and first solenoid valve produce height difference, guarantee that circulating pump can fully liquid, thereby can eliminate air bubble, improve the calibration accuracy of flow sensor in blood dialysis device detection instrument calibration device.
[0005] A blood dialysis device detection instrument calibration device flow calibration loop structure, comprising a circulating module, a flowmeter module and a bearing module, the bearing module comprises a bottom plate, a partition and a support column, the support column is arranged around the bottom plate, the partition is connected with the support column and is spaced apart from the bottom plate, the circulating module and the flowmeter module are both arranged on the bottom plate, the water outlet of an external water tank and the water inlet of an external blood dialysis device detection instrument calibration device are connected with the circulating module and the flowmeter module through a first pipeline, and the water inlet of the external water tank and the water outlet of the blood dialysis device detection instrument calibration device are connected through a second pipeline.
[0006] Further, the circulating module comprises a circulating pump and a fixing piece, one end of the circulating pump is communicated with the flowmeter module, and the other end is communicated with the water outlet of the external water tank, the fixing piece is provided with a mounting hole, the circulating pump is arranged on the mounting hole, and the fixing piece is connected with the bottom plate.
[0007] Further, a first solenoid valve is arranged between the circulating pump and the external water tank.
[0008] Further, the first solenoid valve is arranged on the partition.
[0009] Further, the flow meter module comprises a flow meter and a mounting member, the mounting member is arranged on the bottom plate, and the flow meter is arranged on one side of the circulating pump and fixed on the mounting member.
[0010] Further, a second electromagnetic valve is arranged between the external water tank and the hemodialysis device detector calibration device, and the second electromagnetic valve is arranged on the bottom plate.
[0011] Further, a support member is arranged at the bottom of the second electromagnetic valve, and the support member is connected with the bottom plate.
[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0013] In the utility model, the circulating pump is arranged in the bearing module, one end of the circulating pump is connected with the flow meter, the flow meter is connected with the hemodialysis device detector calibration device, the other end of the circulating pump is connected with the first electromagnetic valve, the first electromagnetic valve is arranged on the partition plate, the circulating pump is arranged on the bottom plate, and the circulating pump and the first electromagnetic valve have a height difference, so that the circulating pump can fully enter liquid, thereby eliminating bubbles and improving the calibration precision of the flow sensor in the hemodialysis device detector calibration device. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings in the embodiments will be briefly introduced below, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.
[0015] Figure 1 It is a structure schematic view of the flow calibration loop of the hemodialysis device detector calibration device.
[0016] Figure 2 It is another perspective structure schematic view of the flow calibration loop of the hemodialysis device detector calibration device.
[0017] Wherein: 1 - bottom plate, 2 - support column, 3 - partition plate, 4 - circulating pump, 41 - fixing member, 5 - flow meter, 51 - mounting member, 6 - first pipeline, 7 - second pipeline, 8 - first electromagnetic valve, 9 - second electromagnetic valve, 91 - support member. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.
[0019] Embodiment 1
[0020] A blood dialysis device detector calibration device flow calibration loop structure, as shown in Figure 1 and Figure 2 , comprising a circulation module, a flow meter module and a bearing module; the bearing module comprises a bottom plate 1, a partition plate 3 and a support column 2, the support column 2 is arranged around the bottom plate 1, and the partition plate 3 is connected with the support column 2 and is arranged in a spaced manner with the bottom plate 1; the circulation module and the flow meter module are both arranged on the bottom plate 1, and the circulation module and the blood dialysis device detector calibration device are both communicated with an external water tank, water in the external water tank provides circulating power through the circulation module, flows through the flow meter module and the blood dialysis device detector calibration device, and finally flows back into the external water tank, forming liquid circulation, and by comparing the data of the standard flow meter 5 with the flow meter 5 in the blood detection device, it is determined whether the flow sensor of the blood dialysis device detector calibration device needs to be calibrated; the water outlet of the external water tank and the water inlet of the external blood dialysis device detector calibration device are connected with the circulation module and the flow meter module through a first pipeline 6, the first pipeline 6 is connected with the water outlet of the external water tank, a first electromagnetic valve 8, the circulation pump 4 and the flow meter 5 in sequence, and finally communicated with the water inlet of the blood detection device; the water inlet of the external water tank and the water inlet of the blood dialysis device detector calibration device are connected through a second pipeline 7, the second pipeline 7 is connected with the water inlet of the external water tank and a second electromagnetic valve 9 in sequence, and finally communicated with the water outlet of the blood dialysis device detector calibration device, forming liquid circulation; the circulation module comprises a circulation pump 4 and a fixing piece 41, one end of the circulation pump 4 is communicated with the flow meter module, and the other end is communicated with the water outlet of the external water tank; the fixing piece 41 is of L-shaped structure, mounting holes are arranged on the fixing piece 41, the circulation pump 4 is arranged on the mounting holes, and the bottom of the fixing piece 41 is connected with the bottom plate 1 through bolts; the flow meter module comprises a flow meter 5 and a mounting piece 51, the mounting piece 51 is also of L-shaped structure, the mounting piece 51 is arranged on the bottom plate 1 and connected with the bottom plate 1 through bolts, and the flow meter 5 is arranged on one side of the circulation pump 4 and fixed on the mounting piece 51.
[0021] Embodiment 2
[0022] The first electromagnetic valve 8 and the second electromagnetic valve 9 are further added on the basis of the above-mentioned embodiment, the first electromagnetic valve 8 is arranged between the circulating pump 4 and the external water tank; the first electromagnetic valve 8 is arranged on the partition plate 3, a height difference is formed between the first electromagnetic valve 8 and the circulating pump 4, when liquid flows into the circulating pump 4 from the first electromagnetic valve 8, bubbles are separated upwards along the first pipeline 6, so that the liquid is fully defoamed, thereby the precision of detection calibration can be improved; the second electromagnetic valve 9 is arranged between the external water tank and the blood dialysis device detector calibration device, the second electromagnetic valve 9 is arranged on the bottom plate 1, the bottom of the second electromagnetic valve 9 is provided with a support 91, the support 91 is connected with the bottom plate 1, the support 91 supports and fixes the second electromagnetic valve 9, and pipeline arrangement in the limited space on the bottom plate 1 is facilitated.
[0023] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, or it is the orientation or position relation that the utility model product uses usually, only is for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation of the utility model.
[0024] In addition, in the description of the utility model, if "horizontal", "vertical" and other terms appear, it does not mean that the component must be absolutely horizontal or suspended, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", not that the structure must be completely horizontal, but can be slightly inclined.
[0025] In the description of the utility model, it also needs to explain that, unless there is explicit provision and limitation, if the terms "arrangement", "installation", "connection", "connection" appear, should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected;Can be mechanically connected, can be electrically connected;Can be directly connected, can be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0026] The above is only the preferred embodiment of the utility model, not any form of the utility model, any simple modification, equivalent change according to the technical essence of the utility model to the above embodiment, all fall within the protection scope of the utility model.
Claims
1. A calibration device for a hemodialysis device detector, comprising a flow calibration loop structure, characterized in that, The application relates to a blood dialysis device detector calibration device, which comprises a circulating module, a flowmeter module and a bearing module; the bearing module comprises a bottom plate, a partition plate and support columns, the support columns are arranged around the bottom plate, the partition plate is connected with the support columns and is arranged in a spaced mode with the bottom plate; the circulating module and the flowmeter module are arranged on the bottom plate, a water outlet of an external water tank and a water inlet of the blood dialysis device detector calibration device are connected with the circulating module and the flowmeter module through first pipelines; and a water inlet of the external water tank and a water outlet of the blood dialysis device detector calibration device are connected through a second pipeline.
2. The calibration device for the hemodialysis device detector according to claim 1, wherein, The circulating module comprises a circulating pump and a fixing piece, one end of the circulating pump is communicated with the flowmeter module, the other end is communicated with the water outlet of the external water tank; the fixing piece is provided with mounting holes, the circulating pump is arranged on the mounting holes, and the fixing piece is connected with the bottom plate.
3. The calibration device for the hemodialysis device detector according to claim 2, wherein, A first electromagnetic valve is arranged between the circulating pump and the external water tank.
4. The calibration device for the hemodialysis device detector according to claim 3, wherein, The first electromagnetic valve is arranged on the partition plate.
5. The calibration device for the hemodialysis device detector according to claim 3, wherein, The flowmeter module comprises a flowmeter and a mounting piece, the mounting piece is arranged on the bottom plate, and the flowmeter is arranged on one side of the circulating pump and fixed on the mounting piece.
6. The calibration device for the hemodialysis device detector according to claim 1, wherein, A second electromagnetic valve is arranged between the external water tank and the blood dialysis device detector calibration device, and the second electromagnetic valve is arranged on the bottom plate.
7. The calibration device for the hemodialysis device detector according to claim 6, wherein, A support piece is arranged at the bottom of the second electromagnetic valve, and the support piece is connected with the bottom plate.