Medical dirty liquid indirect liquid level measuring device
By using the inductive electrode capacitance difference measurement technology, the problems of dirt adhesion and wire ingress have been solved, enabling liquid level measurement without contact with the dirt, simplifying cleaning and improving measurement accuracy.
Patent Information
- Application Number
- CN202520243317.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-17
AI Technical Summary
In the prior art, float switches and segmented float level measuring devices are easily stuck to contaminated liquid during surgery, and require wires to enter the contaminated liquid container, making cleaning difficult.
The system uses a combination of a first sensing electrode and a second sensing electrode to measure the liquid level by measuring the capacitance difference between the electrodes. This avoids direct contact with the contaminated liquid and eliminates the need for wires to enter the container. Data processing is performed using an MCU processing board.
It enables liquid level measurement without contact with the contaminated liquid and wires, simplifying the cleaning process and improving the accuracy and reliability of the measurement.
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Figure CN223741682U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field, concretely relates to a medical liquid waste indirect liquid level measuring device. BACKGROUND
[0002] Medical liquid waste is usually produced in surgery, and is usually collected by a liquid waste container, and liquid level measurement and early warning of the liquid waste are required, at present, most of the floating ball switches and segment type floating ball liquid level measurement technology are used in surgery in hospitals, the liquid waste produced in surgery is easy to adhere to the floating ball switch and the segment type floating ball liquid level measurement switch, and in addition, a wire must be led into the liquid waste container, which brings great trouble to cleaning work. CONTENT OF THE UTILITY MODEL
[0003] In order to solve the problems existing in the prior art, the utility model aims at providing a medical liquid waste indirect liquid level measuring device.
[0004] The medical liquid waste indirect liquid level measuring device, the utility model discloses a containing casing, the first induction electrode and the second induction electrode who set up opposite at the outside of containing casing and set up in the MCU processing board of containing casing bottom, containing casing is used to contain liquid waste container, MCU processing board is connected with first induction electrode and second induction electrode electricity.
[0005] Preferably, the containing casing comprises a fixed plate, two arc-shaped enclosing plates symmetrically arranged on both sides of the fixed plate, and a support groove, and the MCU processing board is arranged at the bottom of the support groove.
[0006] Preferably, the fixed plate is provided with a clamping groove for clamping a handle of the liquid waste container.
[0007] Preferably, the outside of the containing casing is symmetrically provided with two mounting grooves, and the first induction electrode and the second induction electrode are arranged in the two mounting grooves respectively.
[0008] Preferably, the outside of each mounting groove is provided with an electrode sealing plate.
[0009] Preferably, the vertical edge of the mounting groove is provided with a beveling strip, and the electrode sealing plate is provided with a beveling clamping groove matched with the bevel edge of the beveling strip.
[0010] Preferably, the bottom corner of the mounting groove is provided with a first threaded hole, and the electrode sealing plate is provided with a second threaded hole matched with the first threaded hole, and the electrode sealing plate is fixed on the mounting groove by bolts passing through the second threaded hole and the first threaded hole.
[0011] Preferably, the bottom of the accommodating shell is provided with a pressure sensing assembly electrically connected with the MCU processing board.
[0012] Preferably, the pressure sensing assembly comprises:
[0013] A detection sleeve is arranged at the bottom of the accommodating shell, and the detection sleeve passes through a through hole arranged at the bottom of the accommodating shell;
[0014] A spring is arranged at the bottom of the detection sleeve;
[0015] A bottom sealing plate is arranged at the bottom of the accommodating shell, and the other end of the spring is arranged on the bottom sealing plate;
[0016] A pressure sensor is arranged on the bottom sealing plate, and the detection sleeve touches the pressure sensor when being pressed down, and the pressure sensor is electrically connected with the MCU processing board.
[0017] Preferably, the bottom edge of the accommodating shell is provided with a positioning block, and the MCU processing board and the bottom sealing plate are both provided with a positioning groove matched with the positioning hole.
[0018] The medical waste liquid indirect liquid level measuring device has the advantages that the liquid level is measured by the tolerance between the first sensing electrode and the second sensing electrode, the measuring device does not need to be placed in the waste liquid container, the waste liquid is not afraid of adhesion, and the lead wire does not need to be put into the waste liquid container, so that the problem of difficult cleaning is solved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is a structural schematic view of the medical waste liquid indirect liquid level measuring device of the utility model;
[0020] Figure 2 is an exploded view of the medical waste liquid indirect liquid level measuring device of the utility model;
[0021] Figure 3 is a second sensing electrode installation schematic view of the medical waste liquid indirect liquid level measuring device of the utility model;
[0022] Figure 4 is a cooperation schematic view of the medical waste liquid indirect liquid level measuring device of the utility model and the waste liquid container;
[0023] Figure 5 is a bottom view of the medical waste liquid indirect liquid level measuring device of the utility model;
[0024] Figure 6 is a bottom view of the medical waste liquid indirect liquid level measuring device of the utility model Figure 4 is an enlarged schematic view of A in the utility model.
[0025] BRIEF DESCRIPTION OF DRAWINGS
[0026] 1 housing, 11 fixed plate, 111 card slot, 12 arc-shaped fence, 13 support groove, 14 mounting slot, 141 bevel strip, 142 first threaded hole, 15 electrode sealing plate, 151 bevel card slot, 16 through hole, 17 positioning block, 171 positioning groove, 101 contaminated liquid container, 102 card slot
[0027] 2 first induction motor, 3 second induction motor, 4 MCU processing board
[0028] 5 pressure sensing assembly, 51 detection sleeve, 52 spring, 53 bottom sealing plate, 54 pressure sensor DETAILED DESCRIPTION
[0029] As shown in Figures 1-6 The utility model discloses a medical contaminated liquid indirect liquid level measuring device, including housing 1, the first induction electrode 2 and the second induction electrode 3 of relative setting at the outside of housing 1 and the MCU processing board 4 of setting in the bottom of housing 1, housing 1 is used to hold contaminated liquid container 101, and the MCU processing board 4 is electrically connected with the first induction electrode 2 and the second induction electrode 3.
[0030] In specific use, first, housing 1 is installed in the designated position, then contaminated liquid container 101 is placed into mounting housing 1 (the installation sequence of housing 1 and contaminated liquid container 101 is not limited to this), and the contaminated liquid in the operation process is stored into contaminated liquid container 101, then the first induction electrode 2 and the second induction electrode 3 start detecting the liquid level of contaminated liquid, and the liquid level is measured by utilizing the capacitance difference between the two electrodes, and the capacitance difference is generated from the contaminated liquid in contaminated liquid container 101, and the contaminated liquid in the embodiment is regarded as a conductor clamped between the two electrodes, to form a capacitor, when the contaminated liquid rises, the capacitance difference between the two electrodes increases, that is, the capacitance difference is directly proportional to the height of contaminated liquid, and by measuring the change of the capacitance, the liquid level of contaminated liquid is accurately measured, and the collected capacitance difference is processed by the MCU processing board 4, to obtain linear liquid level height, and the measuring device of the embodiment measures the liquid level of contaminated liquid in contaminated liquid container 101 by the first induction motor 2 and the second induction motor 3 outside housing 1, without using float switch or segment type float liquid level measuring switch during the measurement process, without contacting contaminated liquid, not only not afraid of involvement, but also not need to introduce the lead into contaminated liquid container 101, to solve the problem of cleaning difficulty.
[0031] Specifically, the accommodating shell 1 comprises a fixed plate 11, two arc-shaped surrounding plates 12 symmetrically arranged on both sides of the fixed plate 11, and a supporting groove 13, and the MCU processing plate 4 is arranged at the bottom of the supporting groove 13. Specifically, the accommodating shell 1 is open on one side, facilitating the installation of the dirty liquid container 101, the inner wall of the accommodating shell 1 matches the outer wall of the dirty liquid container 101, and the supporting groove 13 supports the bottom of the dirty liquid container 101. Preferably, the fixed plate 11, the two arc-shaped surrounding plates 12 and the supporting groove 13 are integrally formed. The fixed plate 11 is provided with a clamping groove 111 for clamping the handle 102 of the dirty liquid container 101, and during specific installation, the handle 102 is clamped in the clamping groove 111, so that the dirty liquid container 101 is more stable during installation.
[0032] Preferably, two installation grooves 14 are symmetrically arranged on the outer side of the accommodating shell 1, and the first sensing electrode 2 and the second sensing electrode 3 are arranged in the two installation grooves 14 respectively, so that the first sensing electrode 2 and the second sensing electrode 3 are protected from external interference. The outer side of each installation groove 14 is provided with an electrode sealing plate 15, which further protects the electrode.
[0033] Preferably, the vertical edge of the installation groove 14 is provided with a beveling strip 141, and the electrode sealing plate 15 is provided with a beveling clamping groove 151 matched with the bevel edge of the beveling strip 141. During specific installation, the beveling strip 141 is opposite to the beveling clamping groove 151, and then the motor sealing plate 15 is sleeved from bottom to top until the motor sealing plate 15 completely seals the installation groove 14, which is simple and convenient to operate. The bottom corner of the installation groove 14 is provided with a first threaded hole 142, and the electrode sealing plate 15 is provided with a second threaded hole 152 matched with the first threaded hole 142. The electrode sealing plate 15 is fixed on the installation groove 14 by bolts passing through the second threaded hole 152 and the first threaded hole 142, and the installation by bolts is more convenient.
[0034] Preferably, the bottom of the accommodating shell 1 is provided with a pressure sensing assembly 5, and the pressure sensing assembly 5 is electrically connected with the MCU processing plate 4. The pressure sensing assembly 5 and the two electrodes cooperate with each other to further improve the accuracy of liquid level measurement.
[0035] Preferably, the pressure sensing assembly 5 comprises a detection sleeve 51, a spring 52, a bottom sealing plate 53 and a pressure sensor 54, wherein the detection sleeve 51 is arranged at the bottom of the accommodating shell 1, the bottom of the accommodating shell 1 is provided with a through hole 16 for the detection sleeve 51 to pass through, one end of the spring 52 is arranged at the bottom of the detection sleeve 51, the bottom sealing plate 53 is arranged at the bottom of the accommodating shell 1, the other end of the spring 52 is arranged on the bottom sealing plate 53, the pressure sensor 54 is arranged on the bottom sealing plate 53, the detection sleeve 51 touches the pressure sensor 54 when being pressed, and the pressure sensor 54 is electrically connected with the MCU processing board 4. In specific use, after the contaminated liquid container 101 is placed into the accommodating shell 1, the contaminated liquid container 101 is pressed onto the detection sleeve 51, so that the detection sleeve 51 is pressed downward to press the pressure sensor 54, as the contaminated liquid continuously increases, the pressure sensed by the pressure sensor 54 becomes larger and larger, and the displacement of the downward pressing of the detection sleeve 51 becomes larger and larger, the pressure sensor 54 is used in combination with the two electrodes to measure the heavy pressure of the liquid, the first sensing electrode 2 and the second sensing electrode 3 measure the change of the capacitance value caused by the change of the liquid level of the contaminated liquid, and the MCU processing board 4 comprehensively processes the two kinds of signals, so that the accuracy and reliability of the liquid level measurement are improved.
[0036] Preferably, the bottom edge of the accommodating shell 1 is provided with a positioning block 17, the MCU processing board 4 and the bottom sealing plate 53 are both provided with a positioning groove 171 matched with the positioning block 17, and during installation, the positioning block 17 is aligned with the positioning groove 171, and then the bottom sealing plate 53 and the MCU processing board 4 are installed at the bottom of the accommodating shell 1 through screws.
[0037] In summary, the first sensing electrode 2 and the second sensing electrode 3 are cooperated with each other in the embodiment, the tolerance between the two electrodes is used for liquid level measurement, the measuring device does not need to be placed into the contaminated liquid container 101, is not afraid of being adhered by the contaminated liquid, and does not need to be connected with wires into the contaminated liquid container 101, so that the problem of difficult cleaning is solved.
[0038] In the description of the utility model, it is understood that the orientation words such as '' front, back, up, down, left, right '' '' horizontal, vertical, horizontal '' and '' top, bottom '' and the like indicated orientation or position relation usually is based on the orientation or position relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, under the condition of not making the opposite statement, these orientation words do not indicate and imply that the device or element indicated must have a particular orientation or be constructed and operated in a particular orientation, therefore can not be understood as the limitation to the protection scope of the utility model.
[0039] For those skilled in the art, according to the above-mentioned technical solutions and concepts, other various corresponding changes and deformations can be made, and all these changes and deformations should belong to the protection scope of the utility model claim.
Claims
1. A medical waste fluid indirect fluid level measuring device, characterized by, The utility model relates to a kind of liquid pollution detection device, including accommodating shell (1), first induction electrode (2) and second induction electrode (3) being oppositely arranged on the outside of the accommodating shell (1) and MCU processing plate (4) being arranged at the bottom of the accommodating shell (1), the accommodating shell (1) is used to accommodate dirty liquid container (101), and the MCU processing plate (4) is electrically connected with first induction electrode (2) and second induction electrode (3).
2. The medical waste fluid indirect fluid level measuring device of claim 1, wherein, The accommodating shell (1) includes a fixed plate (11), two arc-shaped enclosing plates (12) symmetrically arranged on both sides of the fixed plate (11), and a support groove (13), and the MCU processing plate (4) is arranged at the bottom of the support groove (13).
3. The medical waste fluid indirect fluid level measuring device of claim 2, wherein, The fixed plate (11) is provided with a clamping groove (111) for clamping the handle (102) of the dirty liquid container (101).
4. The medical waste fluid indirect fluid level measuring device of claim 1, wherein, The outside of the accommodating shell (1) is symmetrically provided with two mounting grooves (14), and the first induction electrode (2) and the second induction electrode (3) are arranged in the two mounting grooves (14) respectively.
5. The medical waste fluid indirect fluid level measuring device of claim 4, wherein, The outside of each mounting groove (14) is provided with an electrode sealing plate (15).
6. The medical waste fluid indirect fluid level measuring device of claim 5, wherein, The vertical edge of the mounting groove (14) is provided with a beveling strip (141), and the electrode sealing plate (15) is provided with a beveling clamping groove (151) matched with the bevel edge of the beveling strip (141).
7. The medical waste fluid indirect fluid level measuring device of claim 6, wherein, The bottom corner of the mounting groove (14) is provided with a first threaded hole (142), and the electrode sealing plate (15) is provided with a second threaded hole (152) matched with the first threaded hole (142), and the electrode sealing plate (15) is fixed on the mounting groove (14) by bolts passing through the second threaded hole (152) and the first threaded hole (142).
8. The medical waste fluid indirect fluid level measuring device of claim 1, wherein, The bottom of the accommodating shell (1) is provided with a pressure sensing assembly (5), and the pressure sensing assembly (5) is electrically connected with the MCU processing plate (4).
9. The medical waste fluid indirect fluid level measuring device of claim 8, wherein, The pressure sensing assembly (5) includes: a detection sleeve (51) arranged at the bottom of the accommodating shell (1), and the bottom of the accommodating shell (1) is provided with a through hole (16) for the detection sleeve (51) to pass through; a spring (52) having one end arranged at the bottom of the detection sleeve (51); a bottom sealing plate (53) arranged at the bottom of the accommodating shell (1), and the other end of the spring (52) is arranged on the bottom sealing plate (53); a pressure sensor (54) arranged on the bottom sealing plate (53), and the detection sleeve (51) touches the pressure sensor (54) when it is pressed down, and the pressure sensor (54) is electrically connected with the MCU processing plate (4).
10. The medical waste fluid indirect fluid level measuring device of claim 9, wherein, The bottom edge of the accommodating shell (1) is provided with a positioning block (17), and the MCU processing plate (4) and the bottom sealing plate (53) are both provided with a positioning groove (171) matched with the positioning hole (17).