Ultrasonic cleaning device and analyzer

Abstract

The utility model is applicable to the technical field of medical equipment, and provides an ultrasonic cleaning device and an analyzer, the ultrasonic cleaning device comprises a main shell and a cleaning cabin, one end of the cleaning cabin is provided with a needle inlet for inserting a needle, the other end of the cleaning cabin is connected with the main shell, and an inner cavity of the cleaning cabin is communicated with the needle inlet and an inner cavity of the main shell; an ultrasonic transducer is arranged on the main shell, and a vibration starting part of the ultrasonic transducer is located on a communicating passage of the inner cavity of the cleaning cabin and the inner cavity of the main shell; an annular wall surrounding the cleaning cabin extends out of the main shell to form a waste liquid tank; the shell is further provided with a waste liquid opening which is communicated with the waste liquid tank and is opened upwards; a flushing unit is arranged in the waste liquid tank, and the liquid flow direction of the flushing unit faces the waste liquid opening. Ultrasonic cleaning and conventional cleaning can be achieved through the same ultrasonic cleaning device, the movement path of the sampling needle can be planned easily, and the movement time is shortened.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to an ultrasonic cleaning device and an analyzer. Background Art

[0002] An analyzer is an instrument used to test samples. During the testing process, the sample needs to be transferred from the sample tube to the reaction tube through a sampling needle. The sampling needle is contaminated by the sample when transferring the sample, and needs to be cleaned with a cleaning device.

[0003] Ultrasonic cleaning and ordinary cleaning are both commonly used cleaning methods for sampling needles. Ultrasonic cleaning has a strong cleaning force and is suitable for cleaning more stubborn dirt or for deep cleaning, but it takes a long time, while ordinary cleaning flushes the sampling needle with running water, has a weaker cleaning force, is suitable for weaker dirt, and takes a shorter time. Ultrasonic cleaning and ordinary cleaning are suitable for different cleaning scenarios. Using different cleaning methods for different cleaning scenarios is conducive to improving cleaning efficiency.

[0004] In the existing equipment, the ultrasonic cleaning device cannot perform conventional cleaning, resulting in the ultrasonic cleaning device and the conventional ultrasonic cleaning device being set up separately, occupying a large area, which is not conducive to the layout of parts in the equipment; and the ultrasonic cleaning device and the ordinary ultrasonic cleaning device are far apart, so the moving time is long, which reduces efficiency. Utility Model Content

[0005] The utility model provides an ultrasonic cleaning device, aiming to solve the problem that the ultrasonic cleaning device in the existing equipment cannot perform conventional cleaning.

[0006] The utility model is implemented as follows: an ultrasonic cleaning device comprising:

[0007] A main shell and a cleaning chamber, wherein one end of the cleaning chamber is provided with a needle insertion port for inserting a needle, and the other end is connected to the main shell, and the inner cavity of the cleaning chamber communicates with the needle insertion port and the inner cavity of the main shell;

[0008] An ultrasonic transducer is arranged on the main shell, and a vibration-generating portion of the ultrasonic transducer is located on a communication passage between the inner cavity of the cleaning cabin and the inner cavity of the main shell;

[0009] A ring wall extending from the main shell surrounds the cleaning chamber to form a waste liquid tank;

[0010] The main housing is also provided with a waste liquid port connected to the waste liquid tank;

[0011] A flushing unit is arranged in the waste liquid tank, and the liquid flow direction of the flushing unit is toward the waste liquid port.

[0012] Optionally, the flushing unit is connected to the annular wall.

[0013] Optionally, the flushing unit comprises at least two flushing ports evenly distributed around the waste liquid port.

[0014] Optionally, the flushing ports are arranged circumferentially along the waste liquid port.

[0015] Optionally, the diameter of the flushing port is less than or equal to 4 mm.

[0016] Optionally, it also includes an upper cover covering the waste liquid tank, and a first needle letting port and a second needle letting port are arranged on the upper cover, the first needle letting port is opposite to the cleaning cabin, and the second needle letting port is opposite to the waste liquid port.

[0017] Optionally, the upper cover is made of PP material.

[0018] Optionally, the upper cover is detachably connected to the waste liquid pool.

[0019] Optionally, the height of the annular wall is greater than the height of the cleaning cabin.

[0020] The utility model also provides an analyzer, comprising the ultrasonic cleaning device mentioned above, wherein the liquid discharge port is communicated with the switch valve and the negative pressure pump.

[0021] The beneficial effect achieved by the utility model is that since the inner cavity of the cleaning chamber is connected with the inner cavity of the main shell, and the vibration-starting part of the ultrasonic transducer is located on the communication path between the inner cavity of the cleaning chamber and the inner cavity of the main shell, the vibration-starting part of the ultrasonic transducer can directly contact the liquid, and the ultrasonic cleaning effect is good. At the same time, a flushing unit is arranged in the waste liquid tank, and the flushing unit discharges the cleaning water to perform conventional cleaning on the sampling needle. The same ultrasonic cleaning device can be used to achieve ultrasonic cleaning and conventional cleaning respectively, which is conducive to planning the movement path of the sampling needle and reducing the moving time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the ultrasonic cleaning device provided by the utility model;

[0023] Figure 2 It is a full cross-sectional schematic diagram of the ultrasonic cleaning device provided by the utility model;

[0024] Figure 3 It is a partially exploded schematic diagram of the ultrasonic cleaning device provided by the utility model.

[0025] 100. Ultrasonic cleaning device; 101. Main shell; 1011. Enclosure; 1012. Inner cavity of main shell; 102. Cleaning chamber; 1022. Inner cavity of cleaning chamber; 1021. Needle inlet; 103. Ultrasonic transducer; 1031. Vibration-generating part; 104. Waste liquid tank; 105. Waste liquid port; 106. Flushing unit; 1061. Flushing port. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model. In addition, it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0030] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model. In addition, the utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed in itself. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0031] In the utility model, since the inner cavity of the cleaning chamber is connected with the inner cavity of the main shell, and the vibration-starting part of the ultrasonic transducer is located on the communication path between the inner cavity of the cleaning chamber and the inner cavity of the main shell, the vibration-starting part of the ultrasonic transducer can directly contact the liquid, and the ultrasonic cleaning effect is good. At the same time, a flushing unit is arranged in the waste liquid tank, and the flushing unit discharges the cleaning water to perform conventional cleaning on the sampling needle. The same ultrasonic cleaning device can be used to achieve ultrasonic cleaning and conventional cleaning respectively, which is conducive to planning the movement path of the sampling needle and reducing the moving time.

[0032] Embodiment 1

[0033] like Figures 1 to 3 As shown, this embodiment provides an ultrasonic cleaning device 100, comprising:

[0034] The main housing 101 and the cleaning chamber 102, one end of the cleaning chamber 102 is provided with a needle inlet 1021 for inserting a needle, and the other end is connected to the main housing 101, and the inner cavity 1022 of the cleaning chamber communicates with the needle inlet 1021 and the inner cavity 1012 of the main housing;

[0035] The main housing 101 is provided with an ultrasonic transducer 103, and a vibration-generating portion 1031 of the ultrasonic transducer 103 is located on a communication path between the inner cavity 1022 of the cleaning chamber and the inner cavity 1012 of the main housing;

[0036] A wall 1011 extending from the main housing 101 surrounds the cleaning chamber 102 to form a waste liquid tank 104;

[0037] The main housing 101 is also provided with a waste liquid port 105 connected to the waste liquid tank 104;

[0038] A flushing unit 106 is disposed in the waste liquid tank 104 , and a liquid flow direction of the flushing unit 106 is toward the waste liquid port 105 .

[0039] The ultrasonic transducer 103 is a device that converts electromagnetic energy into mechanical energy (acoustic energy), and is usually made of piezoelectric ceramics or other magnetostrictive materials. The piezoelectric effect of the material converts electrical signals into mechanical vibrations. The ultrasonic transducer 103 can be used for ultrasonic cleaning, and the ultrasonic waves generated by the ultrasonic transducer 103 directly or indirectly act on the liquid and dirt through the cavitation effect, acceleration effect, and straight flow effect in the liquid, so that the dirt layer is dispersed, emulsified, and peeled off to achieve the cleaning purpose.

[0040] The inner cavity 1022 of the cleaning chamber is connected to the inner cavity 1012 of the main housing, and the main housing 101 is provided with an ultrasonic transducer 103, and a vibration-generating portion 1031 of the ultrasonic transducer 103 is located on the communication path between the inner cavity 1022 of the cleaning chamber and the inner cavity 1012 of the main housing. When the inner cavity 1022 of the cleaning chamber and the inner cavity 1012 of the main housing are both filled with liquid, the vibration-generating portion 1031 of the ultrasonic transducer 103 is immersed in the liquid, and when the ultrasonic transducer 103 is working, cavitation is generated on the liquid in the inner cavity 1022 of the cleaning chamber and the inner cavity 1012 of the main housing.

[0041] During ultrasonic cleaning, the sampling needle is inserted into the inner cavity 1022 of the cleaning chamber from the needle inlet 1021 at one end of the cleaning chamber 102. The liquid in the cleaning chamber 102 immerses the part of the sampling needle that needs to be cleaned. The ultrasonic transducer 103 is turned on to utilize the cavitation effect, acceleration effect and straight flow effect of ultrasonic waves in the liquid to peel off the stains on the sampling needle, thereby achieving the purpose of cleaning.

[0042] The surrounding wall 1011 extends from the main housing 101, and the extension direction is consistent with the direction of the needle inlet 1021. The extended surrounding wall 1011 forms a waste liquid tank 104, and the cleaning chamber 102 is located in the waste liquid tank 104. A waste liquid port 105 connected to the waste liquid tank 104 is provided at the bottom of the waste liquid tank 104, and the liquid in the waste liquid tank 104 can be discharged through the waste liquid port 105.

[0043] A flushing unit 106 is provided in the waste liquid tank 104. The flushing unit 106 can discharge the cleaning water. The liquid flow direction of the flushing unit 106 is toward the waste liquid port 105. The liquid flow direction of the flushing unit 106 refers to the final flow direction of the liquid flowing out of the flushing unit 106. When the liquid flows out of the flushing unit 106, the water flow is toward the sampling needle to be flushed. Specifically, the liquid can flow out of the flushing unit 106 horizontally or obliquely. After the flushing of the sampling needle is completed, the liquid outflow direction of the liquid flushing unit 106 flows toward the waste liquid port 105, so as to quickly discharge the waste water generated when the sampling needle is normally cleaned.

[0044] During routine cleaning, the sampling needle is moved from the cleaning chamber 102 to above the waste liquid port 105, the flushing unit 106 discharges the cleaning water, and the sampling needle is routinely cleaned. The waste water caused by routine cleaning is discharged through the waste liquid port 105 to prevent the water from routine cleaning from impacting the wall of the waste liquid tank 104 and causing splashing.

[0045] Ultrasonic cleaning and ordinary cleaning are both commonly used cleaning methods for sampling needles. Ultrasonic cleaning has a strong cleaning force and is suitable for cleaning more stubborn dirt or for deep cleaning, but it takes a long time, while ordinary cleaning flushes the sampling needle with running water, has a weaker cleaning force, is suitable for weaker dirt, and takes a shorter time. Ultrasonic cleaning and ordinary cleaning are suitable for different cleaning scenarios. Using different cleaning methods for different cleaning scenarios is conducive to improving cleaning efficiency.

[0046] In this embodiment, since the inner cavity 1022 of the cleaning chamber is connected to the inner cavity 1012 of the main shell, and the vibration-generating part 1031 of the ultrasonic transducer 103 is located on the communication path between the inner cavity 1022 of the cleaning chamber and the inner cavity 1012 of the main shell, the vibration-generating part 1031 of the ultrasonic transducer 103 can directly contact the liquid, and the ultrasonic cleaning effect is good. At the same time, a flushing unit 106 is set in the waste liquid tank 104, and the flushing unit 106 discharges the cleaning water to perform conventional cleaning on the sampling needle. The same ultrasonic cleaning device 100 can be used to achieve ultrasonic cleaning and conventional cleaning respectively, which is conducive to planning the movement path of the sampling needle and reducing the moving time.

[0047] Embodiment 2

[0048] On the basis of the first embodiment, the flushing unit 106 is connected to the surrounding wall 1011 .

[0049] The flushing unit 106 is supported by the surrounding wall 1011 , which facilitates setting the relative position of the flushing unit 106 and the waste liquid port 105 , so that the liquid flow direction of the flushing unit 106 is accurately toward the waste liquid port 105 .

[0050] Embodiment 3

[0051] On the basis of the first embodiment, the flushing unit 106 includes at least two flushing ports 1061 evenly distributed around the waste liquid port 105 .

[0052] The flushing unit 106 includes at least two flushing ports 1061, and the flushing ports 1061 respectively discharge cleaning water to perform regular cleaning on the sampling needle. If there is only one flushing port 1061, the side of the sampling needle facing away from the flushing port 1061 is blocked and is not easily flushed. At least two flushing ports 1061 are provided, and are evenly distributed around the waste liquid port 105, so that the outer wall of the sampling needle can be evenly flushed, and there will be no dead corners that cannot be flushed.

[0053] In one embodiment, the flushing ports 1061 are arranged circumferentially along the waste liquid port 105 to ensure that the outer wall of the sampling needle can be flushed evenly.

[0054] Specifically, two flushing ports 1061 may be provided, and the two flushing ports 1061 are arranged opposite to each other. The side of the sampling needle facing away from one of the flushing ports 1061 can be flushed by the cleaning water discharged from the other flushing port 1061 .

[0055] Embodiment 4

[0056] Based on the first embodiment, the diameter of the flushing port 1061 is less than or equal to 4 mm.

[0057] The outer wall of the sampling needle is rinsed with the rinse water discharged from the rinse port 1061. The rinse water needs to have a relatively high flow rate so that the impact force of the rinse water can be used to remove dirt from the outer wall of the sampling needle.

[0058] The flushing unit 106 needs to be connected to the storage device of the flushing water, and the flushing water needs to be pumped from the storage device to the flushing unit 106 through a pressure pump, and then discharged through the flushing port 1061. It can be seen from the flow formula that when the pumping pressure of the pressure pump is determined, the liquid flow rate is inversely proportional to the square of the pipe diameter, so it can be seen that the larger the diameter of the flushing port 1061, the smaller the flow rate of the flushing water discharged from the flushing port 1061.

[0059] Since the volume of the automatic equipment using the needle is relatively small, and generally the greater the pumping pressure of the pressure pump, the larger the volume of the pressure pump. In the case of a relatively small volume of the automatic equipment, the pressure pump installed in the automatic equipment cannot be a pressure pump that is too large. The diameter of the flushing port 1061 is less than or equal to 4 mm to ensure that the liquid discharged from the flushing port 1061 has a relatively large flow rate, thereby ensuring the flushing effect.

[0060] Embodiment 5

[0061] On the basis of the first embodiment, the ultrasonic cleaning device 100 further comprises an upper cover covering the waste liquid tank 104 , on which a first needle opening and a second needle opening are arranged, the first needle opening faces the cleaning chamber 102 , and the second needle opening faces the waste liquid port 105 .

[0062] Since the waste liquid tank 104 is arranged around the cleaning chamber 102, and the cleaning chamber 102 is arranged in the waste liquid tank 104, the upper cover covers the waste liquid tank 104 and the cleaning chamber 102 at the same time. The upper cover is provided with a first needle-releasing opening facing the cleaning chamber 102 and a second needle-releasing opening facing the waste liquid opening 105, respectively, to leave two cleaning positions to which the sampling needle needs to move, so as to facilitate the insertion of the sampling needle.

[0063] When ultrasonic cleaning is performed, there will be a lot of noise and it is easy to cause the cleaning medium to splash. When performing conventional cleaning, although the noise is slightly less than that during ultrasonic cleaning, there is still the problem of splashing of cleaning water.

[0064] The upper cover covers the waste liquid tank 104 , which helps to reduce noise and prevent liquid from splashing outside the waste liquid tank 104 .

[0065] In one embodiment, the upper cover is made of PP material.

[0066] PP, also known as polypropylene, is a colorless, odorless, non-toxic, translucent solid substance and a thermoplastic resin with excellent performance. It has light weight, chemical resistance, heat resistance, electrical insulation, strong shaping ability and low production cost.

[0067] Embodiment 6

[0068] Based on the fifth embodiment, the upper cover is detachably connected to the waste liquid pool.

[0069] It is convenient to remove the upper cover from the waste liquid tank and inspect and repair the components of the ultrasonic cleaning device 100 .

[0070] Embodiment 7

[0071] Based on the first embodiment, the height of the surrounding wall 1011 is greater than the height of the cleaning cabin 102 .

[0072] The surrounding wall 1011 is the side wall of the waste liquid tank 104, and the cleaning chamber 102 is located in the waste liquid tank 104. When in use, the liquid in the cleaning chamber 102 may overflow from the needle inlet 1021, and the overflowed liquid is collected in the waste liquid tank 104 and then discharged through the waste liquid port 105. The height of the surrounding wall 1011 is greater than the height of the cleaning chamber 102, which can effectively prevent the liquid overflowing from the cleaning chamber 102 from splashing outside the waste liquid tank 104.

[0073] Embodiment 8

[0074] This embodiment further provides an analyzer, comprising the ultrasonic cleaning device 100 of any one of the first to seventh embodiments, wherein the waste liquid port is connected to the switch valve and the negative pressure pump.

[0075] The negative pressure pump can provide negative pressure, the inlet end of the negative pressure pump is connected to the waste liquid tank 104, and the outlet end of the negative pressure pump is connected to the waste liquid pool (or other structures or equipment for collecting waste liquid), and the waste water can be discharged into the connected waste liquid pool. The switch valve is used to control whether the negative pressure pump is connected to the waste liquid tank 104, so as to facilitate the control of the discharge of the waste liquid.

[0076] Other implementations and beneficial effects of the analyzer of this embodiment are equivalent to the beneficial effects of the ultrasonic cleaning device 100 described above, and will not be described in detail here.

[0077] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An ultrasonic cleaning device, characterized in that: include: A main shell and a cleaning chamber, wherein one end of the cleaning chamber is provided with a needle insertion port for inserting a needle, and the other end is connected to the main shell, and the inner cavity of the cleaning chamber communicates with the needle insertion port and the inner cavity of the main shell; An ultrasonic transducer is arranged on the main shell, and a vibration-generating portion of the ultrasonic transducer is located on a communication passage between the inner cavity of the cleaning cabin and the inner cavity of the main shell; A ring wall extending from the main shell surrounds the cleaning chamber to form a waste liquid tank; The main housing is also provided with a waste liquid port connected to the waste liquid tank; A flushing unit is arranged in the waste liquid tank, and the liquid flow direction of the flushing unit is toward the waste liquid port.

2. The ultrasonic cleaning device according to claim 1, characterized in that: The flushing unit is connected to the annular wall.

3. The ultrasonic cleaning device according to claim 1, characterized in that: The flushing unit comprises at least two flushing ports evenly distributed around the waste liquid port.

4. The ultrasonic cleaning device according to claim 3, characterized in that: The flushing ports are arranged circumferentially along the waste liquid port.

5. The ultrasonic cleaning device according to claim 3, characterized in that: The caliber of the flushing port is less than or equal to 4 mm.

6. The ultrasonic cleaning device according to claim 1, characterized in that: It also includes an upper cover covering the waste liquid tank, wherein a first needle letting port and a second needle letting port are arranged on the upper cover, wherein the first needle letting port faces the cleaning chamber, and the second needle letting port faces the waste liquid port.

7. The ultrasonic cleaning device according to claim 6, characterized in that: The upper cover is made of PP material.

8. The ultrasonic cleaning device according to claim 6, characterized in that: The upper cover is detachably connected to the waste liquid tank.

9. The ultrasonic cleaning device according to claim 1, characterized in that: The height of the annular wall is greater than the height of the cleaning cabin.

10. An analyzer, characterized in that: The ultrasonic cleaning device comprises the ultrasonic cleaning device according to any one of claims 1 to 9, wherein the waste liquid port is connected to the switch valve and the negative pressure pump.

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