WO2023065532A1

WO2023065532A1 - Valve and kit

Info

Publication number: WO2023065532A1
Application number: PCT/CN2021/142100
Authority: WO
Inventors: 林鹤全
Original assignee: 杉木(深圳)生物科技有限公司
Priority date: 2021-10-21
Filing date: 2021-12-28
Publication date: 2023-04-27
Also published as: CN113790288A

Abstract

A valve (2), comprising a valve body (21) and a plurality of valve cores (22), wherein the valve body (21) is provided with a plurality of main runners (211), which penetrate the valve body (21) and are sequentially spaced apart from each other in the length extension direction of the valve body (21); the valve body (21) is further provided with a plurality of flow-out ports (212), and the plurality of flow-out ports (212) communicate with inner walls of the plurality of main runners (211), respectively; one end of each valve core (22) is slidably mounted in a corresponding main runner (211) and can slide along the main runner (211), and the other end thereof extends out of the valve body (21); and the valve cores (22) can be operated to seal or open the flow-out ports (212).

Description

Valves and Kits

Related Application Cross Reference

This patent application claims the priority of the Chinese patent application with the application number 2021112250652 and the title of the invention "valve and kit" filed on October 21, 2021, the entirety of which is incorporated herein by reference.

technical field

The invention relates to the technical field of urine testing instruments, in particular to a urine testing instrument.

Background technique

As human longevity increases, the importance of hygiene and maintenance has received increasing attention. Urine represents a person's health status, and diseases such as pancreas and kidney can be understood through quantitative analysis of urine components. Urine testing has become one of the indispensable items for routine testing in medical institutions, and dry chemical urine testing analyzers have become important instruments for testing in medical institutions. At present, the small hand-held dry chemical method urine detector for household use needs to be tested after dipping the hand-held test paper into the urine, which is unhygienic and the process is cumbersome. It is very important to invent a fully automatic urine tester.

When the urine tester is tested, it is necessary to control the flow of urine and reagents, to control the flow of clean water into the urine tester to clean the urine tester, and to control the discharge of the dirty liquid after the test. Currently, the urine tester in the market needs to be equipped with various driving mechanisms. Separately driving the flow of urine, reagents, clean water or dirty liquid makes the whole device have many and complicated parts and is not easy to operate. There is no urine tester in the market that is easy to operate and can realize fully automatic operation.

Contents of the invention

The object of the present invention is to provide a urine tester to solve the above-mentioned problems in the prior art.

In order to solve the above problems, according to one aspect of the present invention, a urine tester is provided, which is characterized in that the urine tester includes a pump, a water inlet pipe, a sampling pipe, a detection device, and a control device: the outlet of the water inlet pipe It is operatively connected to the inlet of the pump; the outlet of the sampling pipeline is operatively connected to the inlet of the pump; the detection device is configured to detect urine and has a cleaning inlet, a sample inlet and a liquid outlet Port, wherein the cleaning inlet is operatively connected to the outlet of the pump, the inlet is operably connected to the outlet of the pump; and the control device is electrically connected to the pump and the detection device and configured to control the operation of the pump and the detection device.

In one embodiment, the detection device further includes a vent, and the vent is operatively connected to the outlet of the pump via an air pipeline, and the control device is further configured to control the pump to detect The device draws air to create a negative pressure within the detection device.

In one embodiment, the urine tester includes:

a first control valve, the first control valve is located upstream of the inlet of the pump and is configured to selectively open or close the water inlet pipeline or the sampling pipeline or the air pipeline;

A second control valve located downstream of the outlet of the pump and configured to selectively open or close the sample inlet or the purge inlet or the vent.

In one embodiment, the urine tester further includes a water storage container, and the outlet of the water storage container is connected to the inlet of the water inlet pipe.

In one embodiment, the urine tester further includes a sample container, and the outlet of the sample container is connected to the inlet of the sampling pipeline.

In one embodiment, the detection device includes a reagent box and a detection module, wherein the detection module includes a flow channel plate, wherein the flow channel plate is provided with an annular flow channel, and the outlet of the reagent box is operatively connected to The annular flow channel is connected to the vent, the cleaning inlet, the sample inlet and the liquid outlet.

In one embodiment, a test pit is further provided on the flow channel plate, and the test pit communicates with the annular flow channel.

In one embodiment, the urine tester further includes a sewage pipe, and the inlet of the sewage pipe is connected to the liquid outlet.

In one embodiment, a third control valve is provided on the blowdown pipe, and the control device is further configured to control the pump to blow air to the annular channel so that the liquid in the channel plate passes through the The above-mentioned sewage pipe discharges.

In one embodiment, the pump is a peristaltic pump.

In one embodiment, the third control valve is a one-way valve.

In one embodiment, the first control valve and.or the second control valve are solenoid valves.

The urine testing instrument of the present invention includes a pump, an air pipeline, a water inlet pipeline, a sampling pipeline, a detection device and a control device, wherein the detection device includes a flow channel plate, and the air pipeline, water inlet pipeline and sampling pipeline are respectively operatively connected to the pump The inlet of the flow channel plate is operatively connected to the outlet of the pump, the control device can control the pump to continuously suck out the air in the flow channel plate, so that the inside of the flow channel plate is in a vacuum state, and then open the valve core, the reagent kit The reagent inside flows into the flow channel in the flow channel plate through the valve body, and the pump drives air into the flow channel plate to drive the reagent into the test pit. After the reagent flows into the test pit, the pump drives the urine to flow from the sampling pipe or sample container into the test pit of the flow channel plate to complete the delivery of the kit urine. After the test is completed, the pump drives the air into the flow channel plate to drive the sewage after the test to flow out. The whole device realizes the flow and cleaning functions of urine and reagents through the pump, pipes, air pipes and water inlet pipes. The operation is simple and Able to realize fully automatic operation.

Description of drawings

Fig. 1 is an exploded view of a urine tester according to an embodiment of the present invention.

Fig. 2a is a perspective view of a kit according to an embodiment of the present invention.

Figure 2b is an exploded view of a kit according to an embodiment of the present invention.

Fig. 2c is a perspective view of a kit according to another embodiment of the present invention.

Fig. 2d is a perspective view of a mounting tray according to another embodiment of the present invention.

3-4 are perspective views of a valve body according to an embodiment of the present invention.

Fig. 5 is a top view of a valve body according to an embodiment of the present invention.

Fig. 6 is a sectional view of a valve body according to an embodiment of the present invention.

Fig. 7 is a perspective view of a valve core according to an embodiment of the present invention.

Fig. 8 is a cross-sectional view of a valve core opening an outflow port according to an embodiment of the present invention.

Fig. 9 is a cross-sectional view of a valve core closing an outflow port according to an embodiment of the present invention.

Fig. 10 is a perspective view of a valve according to an embodiment of the present invention.

Fig. 11a is a perspective view of a driving mechanism of an embodiment of the present invention.

Fig. 11b is a perspective view of the driving mechanism of another embodiment of the present invention.

Fig. 12 is a perspective view of a driving mechanism cooperating with a valve according to an embodiment of the present invention.

Fig. 13a is a perspective view of a channel plate according to an embodiment of the present invention.

Fig. 13b is a perspective view of a flow channel plate according to another embodiment of the present invention.

Fig. 14 is a top view of a channel plate according to an embodiment of the present invention.

Fig. 15 is a bottom view of a channel plate according to an embodiment of the present invention.

Figure 16 is an exploded view of a flow channel plate and a test module according to an embodiment of the present invention.

Fig. 17 is a perspective view of a urine tester according to an embodiment of the present invention.

Fig. 18 is a perspective view of a urine tester according to another embodiment of the present invention.

Fig. 19 is a perspective view of a peristaltic pump according to an embodiment of the present invention.

Figure 20 is a perspective view of a housing of one embodiment of the present invention.

Fig. 21 is a perspective view of a sewage pipe and a housing according to an embodiment of the present invention.

100. Urine tester;

1. Reagent box; 11. Mounting plate; 111. Ring body; 112. Reagent tank; 113. Drainage hole; 114. Shoulder; 115. Connection; 12. Reagent capsule;

2. Valve; 21. Valve body; 211. Main channel; 2111. First flow channel; 2112. Second flow channel; 212. Outlet; 213. Cleaning inlet; 214. Injection port; 215. Air vent ; 216, detection device installation groove; 2101, the outside of the valve body; 2102, the inside of the valve body; 22, the valve core; 221, the first section core body; 222, the second section core body; 2212, sealing head; 2213, sealing ring; 2214, recessed part; 2201, inner end of spool; 2202, outer end of spool; 23, reset part; 24, limiting part;

3. Driving mechanism; 31. Base; 32. First driving motor; 33. Driving gear; 34. Driven gear; 341. Ring main body; 35. Second driving motor; 351. Driving rod;

4. Flow channel plate; 41. Annular flow channel, 411. First flow channel; 412. Second flow channel; 413. Bending part; 414. Liquid outlet channel; 415. Installation groove; 416. Sewage discharge pipe; 4161. Sewage discharge The angle between the pipe and the liquid outlet pipe; 4162, the angle between the sewage pipe and the sewage outlet; 42, the test pit; 43, the step; 44, the seal;

5. Sampling device; 51. Sampling pipeline; 52. Sample container; 6. Pump; 61. Pump inlet; 62. Pump outlet; 71. Water inlet pipe; 72. Water storage container; 73. Air pipeline; 8 . Detection module; 81. Light source device; 82. Photosensitive sensor; 9. Control device; 10. Housing; 101. Urine inlet;

Detailed ways

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so as to better understand the purpose, features and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but only to illustrate the essence of the technical solutions of the present invention.

In the following description, for the purposes of explaining the various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that an embodiment may be practiced without one or more of these specific details. In other instances, well-known devices, structures and techniques associated with the present application may not have been shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiments is included in at least one embodiment. Thus, appearances of "in one embodiment" or "in an embodiment" in various places throughout the specification are not necessarily all referring to the same embodiment. In addition, particular features, structures or characteristics may be combined in any manner in one or more embodiments.

In the following description, in order to clearly show the structure and working method of the present invention, many directional words will be used to describe, but "front", "rear", "left", "right", "outer", "inner" should be used Words such as ", "outward", "inward", "upper" and "lower" are to be understood as convenient terms, and should not be understood as restrictive terms.

The present invention relates to a urine tester 100, as shown in FIG. 1, the urine tester includes a pump 6, a sampling device 5, a detection device, a control device 9, a valve 2 and a driving mechanism 3. The sampling device 5 is used to collect a sample, such as urine. The outlet of the sampling device 5 is in operative communication with the inlet 61 of the pump. Thus, the sample can be delivered to the detection device by the pump 6 for detection. The detection device includes a reagent box 1 and a detection module 8 . The kit 1 contains various suitable reagents for testing samples, such as urine, including but not limited to reagents used in routine testing, such as urine acidity and alkalinity (pH), urine leukocytes (WBC/LEU), urine Nitrite (NIT), urine protein (PRO), glucose (GLU), urobilinogen (URO/UBG), ketone body (KET), occult blood (BLU), bilirubin (BIL), ascorbic acid (VC), Salts, creatinine (CrE), can also be used in reagents for tumor markers, such as alpha-fetoprotein, carcinoembryonic antigen, albumin, urinary β2-microglobulin, etc., and reagents for detecting microorganisms, such as nicotine, ethanol, Vitamin C etc.

The detection module 8 is used to detect samples, such as urine, to obtain relevant parameters of the human body. The valve 2 is used to control the opening and closing of various reagent boxes 1 . The driving mechanism 3 is used to drive the valve core 22 corresponding to the valve 2 to open or close the valve 2, thereby opening the reagent box 1 to release the reagent, or closing the reagent box 1; the detection module 8 includes a flow channel plate 4, a flow channel plate 4 Cooperate with the valve 2 for receiving the urine in the test box 1 . The control device 9 is used to control the operation of the entire urine tester 100, and is electrically connected to the pump 6, the drive mechanism 3 and the detection device, and can control the operation of the pump 6, the drive mechanism 3 and the detection device. Each part of the above-mentioned urine testing instrument 100 will be described in detail below.

The kit 1 includes a mounting plate 11 and a plurality of reagent capsules 12. The mounting plate 11 has an annular body 111 and a plurality of drainage holes 113 running through the side of the annular body 111. The plurality of drainage holes 113 are spaced apart from each other along the annular body 111. Circumferentially distributed; the outlet of the reagent capsule 12 can be connected to the corresponding drainage hole 113 in a closed manner. The ring-shaped main body 111 of the mounting plate 11 can be a closed ring or an open ring, and the size and shape of the ring are not limited and can be adjusted. In the embodiment shown in Figs. 2a and 2b, the annular body 111 is an unclosed segment of an arc, and it can be understood that the size of the arc of the unclosed annular body 111 is not limited by Fig. 2b. The top of the ring body 111 is provided with a connecting portion 115 extending circumferentially toward the center of the ring body, and the connecting portion 115 is used to connect other components, such as the valve 2 of the urine tester.

In one embodiment, the ring-shaped body 111 is provided with a plurality of reagent tanks 112 distributed along its circumference and spaced apart from each other. The inner space of the reagent tanks 112 gradually narrows from the bottom to the top, and the inner diameter of the ring-shaped body 111 gradually decreases from the bottom to the top. zoom out. As shown in Figure 2b, the side of the ring-shaped body 111 deviated from the center of the ring-shaped body 111 is defined as the outside of the ring-shaped body 111, and the side close to the center of the ring-shaped body 111 is defined as the inner side of the ring-shaped body 111. The reagent tanks 112 are distributed on the outside of the annular body 111 at intervals, and the reagent tanks 112 open toward the outside of the annular body 111 and open upwards. It can be understood that the opening size and direction of the reagent tanks 112 can also be adjusted. Limited by Figure 2a and Figure 2b. In addition, the number, size and spacing of the reagent tanks 112 can also be adjusted as required. In the embodiment shown in FIG. The drainage hole 113 is set inside the reagent tank 112 and runs through the inner side of the ring body 111 to facilitate the outflow of the reagent. The position of the drainage hole 113 can be set at any position on the inner wall of the reagent tank 112, preferably close to the bottom of the ring body 111 or The middle part is convenient for reagent outflow.

The reagent tank 112 can also be designed as a device for directly holding the reagents. For example, the opening of the reagent tank 112 is directly closed and covered with silica gel and is provided with an opening that can be opened. The reagent can be directly put into the reagent tank 112, and can also be placed in each reagent tank. The corresponding detachable reagent capsule 12 is installed in the tank 112, and the reagent is directly stored in the reagent capsule 12, and then the reagent capsule 12 is installed in the reagent tank 112, and the reagent capsule 12 is removed and updated after use, understandably, The reagent capsule 12 can be detachably installed in the reagent tank 112 by means of magnetic attraction. For example, both the reagent capsule 12 and the reagent tank 112 are equipped with a magnet or one of them is equipped with a magnet, and the other is equipped with an iron sheet, magnet or The patch can be installed on the inner wall of the reagent tank 112 or any position on the two sides. The reagent capsule 12 can also be detachably installed in the reagent tank 112 in other ways, for example, a plurality of clamping blocks are set on the reagent capsule 12, and a plurality of clamping slots matched with the clamping blocks are arranged in the reagent tank 112, and the reagent capsule 12 is detachably Snap into the reagent tank 112.

Reagent capsule 12 is provided with outlet, and each described reagent capsule 12 is installed in corresponding reagent tank 112 and its outlet is communicated with corresponding described drainage hole 113, and reagent can flow through the drainage of reagent tank 112 through the outlet of reagent capsule 12 Hole 113 flows out. As shown in Figure 2b, each reagent tank 112 is provided with a shoulder 114 to facilitate the installation of the reagent capsule 12, the size and shape of the reagent capsule 12 matches the reagent tank 112, and the drainage hole 113 is arranged on the top of the reagent tank 112 and is positioned at the top of the shoulder 114. On the inner wall, the outlet of the reagent capsule 12 is arranged at a corresponding position matching the drainage hole 113 . It can be understood that the reagent capsule 12 can be renewed at one time, or can be designed to be reusable. The reagent capsule 12 can be made of a soft material, such as silica gel, or a soft material can be used on the side away from the inner wall of the reagent tank 112. To facilitate the reagent in the reagent tank 112 to be sucked out.

Further, the reagent box 1 further includes a seal between the reagent capsule 12 and the reagent tank 112 , and the seal is provided with a through hole communicating with the drainage hole 113 . It can be understood that the seal is arranged on the inner wall of the reagent tank 112, and preferably covers the entire inner wall. In order to make the reagent capsule 12 and the reagent tank 112 more tightly connected, the seal needs to be made of an elastic material, preferably a silicone material, such as a silicone pad In this way, the reagent capsule 12 is compressed by an external force on the sealing member so that the gap between the sealing member and the reagent capsule 12 and the inner wall of the reagent tank 112 becomes smaller, and the sealing effect can be better achieved. It can be understood that the through hole of the sealing member is slightly larger than the outlet of the reagent capsule 12 , so that the sealing member is compressed to squeeze the through hole so as to block the outlet of the reagent capsule 12 .

In another embodiment, the drainage hole 113 can be directly connected to the outlet of the reagent capsule 12, and the reagent tank 112 does not need to be provided. As shown in FIG. The outlet is directly connected to the drainage hole 113. It can be understood that the reagent capsule 12 can be detachably connected to the drainage hole 113 in a variety of ways. Inside the drainage hole 113 . The mounting plate 11 is made of hard material, such as plastic or ceramics. The reagent capsule 12 and the connecting tube are elastic and their shape is slightly larger than the diameter of the drainage hole 113. The connecting tube can be made of silica gel material, and the connecting tube can be installed in the drainage hole 113 by compressing the connecting tube with an external force. Threads can also be provided in the drainage hole 113, threads can be provided on the outer circumference of the connecting pipe, the connecting pipe is made of hard material, and the connecting pipe can be screwed into the drainage hole 113 by rotation.

Further, the ring-shaped body 11 can also be configured as a cylinder with the same bottom and top inner diameters or other irregular shapes, etc., as shown in Fig. One end of the drainage hole 113 is directly disposed on the side of the annular body 11 , and the other end is disposed inside the annular body.

The valve 2 includes a valve body 21 and a plurality of valve cores 22 . The valve body 21 is provided with a plurality of main flow passages 211 which pass through the valve body 21 and are sequentially spaced along the length extension direction of the valve body 21. The valve body 21 is also provided with a plurality of outlets 212, and the plurality of outlets 212 communicate with each other. The inner wall of a plurality of main channels 211; one end of each spool 22 is slidably installed in a corresponding main channel 211 and can slide along the main channel 211, and the other end protrudes from the valve body 21, and the spool 22 is operatively The outflow port 212 is sealed or opened. In one embodiment, the driving mechanism 3 is disposed in the ring of the valve body 21 and can drive the movement of the valve core 22 , which will be described in detail below.

The valve body 21 can extend in the same direction to form a strip, and can also be an irregular shape, preferably a regular shape, such as a cuboid or ring. In the embodiment of FIGS. 3-6 , the valve body 21 is ring-shaped, Define the side of the valve body 21 close to the annular center of the valve body 21 as the inner side 2102 of the valve body, the side away from the center of the valve body 21 is the outer side 2101 of the valve body, and a plurality of main channels 211 along the valve body 21 Circumferentially arranged in sequence, one end of the main channel 211 faces the inner side 2102 of the valve body, and the other end leads to the outer side 2101 of the valve body.

Furthermore, the outer side 2101 of the valve body gradually shrinks radially from the bottom to the top, so that the outer side 2101 of the valve body forms an annular inclined surface so that the main flow channel 211 can cooperate with other device openings.

In one embodiment, the outside of the valve body 21 fits the test kit 1, the outer side 2101 of the valve body fits the inside of the annular body 111 of the mounting plate 11, and the main channel 211 fits the drainage hole 113 on the kit 1 to facilitate the kit The reagent in the reagent cartridge 1 flows out, and the valve core 22 opens or closes the outlet 212 to realize the reagent in the reagent cartridge 1 flowing out.

In another embodiment, when the valve body 21 needs to cooperate with the mounting plate 11 shown in Fig. 2c and 2d, the outer side 2101 of the valve body can also be a cylinder, and the shape of the outer side 2101 of the valve body is not limited by Fig. 3-Fig. To match different devices, the outer side 2101 of the valve body can be designed in different shapes.

Further, a gasket may be provided between the outer side 2101 of the valve body and the inner side of the ring body 111 to increase the closed connection between the valve body 21 and the inner side of the ring body of the mounting plate 11 . The gasket is also ring-shaped, and its shape matches the inside of the kit 1 and the outside 2101 of the valve body; the gasket is provided with a plurality of through holes matching the drainage holes 113 or the main channel 211, and the gasket is preferably a silicone pad.

Further, one end of the outlet 212 is arranged on the inner wall of the main channel 211, and the other end is arranged on the bottom of the valve body 21, and the lower end of the valve body 21 is equipped with a flow channel plate 4, and the flow channel plate 4 is provided with an annular flow channel 41, and the flow outlet The other end of 212 is located at the upper end of the annular flow channel 41 , and the liquid in the valve body 21 can directly flow into the annular flow channel 41 through the outlet 212 .

Furthermore, the valve body 21 is also provided with a cleaning inlet 213, a sample inlet 214 and a vent 215. The same ends of the cleaning inlet 213, the sample inlet 214 and the vent 215 are arranged on the outside 2101 of the valve body, and the other end faces the valve body. The bottom of the body 21 is open and matches the annular flow channel 41 of the flow channel plate 4 .

Furthermore, a control valve can also be set in the cleaning inlet 213, the sample inlet 214 and the vent 215, and the control valve communicates with the control device 9 and can open or close the cleaning inlet 213, the sample inlet 214 and the vent 215, preferably, The control valves of the cleaning inlet 213 and the sample inlet 214 can be one-way valves, which only allow water and samples to enter the annular flow channel 41 through the cleaning inlet 213 and the sample inlet 214, and limit reverse flow out. When the valve body 21 is installed on the urine testing instrument 100 for use, the control valve of the vent 215 cannot use a one-way valve, which will be described in detail below.

Furthermore, the top of the valve body 21 is also provided with a detection device installation groove 216 for mounting the detection device. The detection device installation groove 216 is a channel extending from the top to the bottom of the valve body 21, and its shape and quantity can be adjusted according to the number of detection devices. In the embodiment shown in Figures 3-5, the valve body 21 is provided with three detection device installation grooves 216 and are all square.

The shape of the main channel 211 can be a cylinder or other uniform shapes along the length direction, such as a uniform cylinder with a square or polygonal cross-section. The shape of the valve core 22 closely fits the valve body 21 and can slide in the valve body 21. When the valve When one end of the spool 22 slides to the outlet 212 and covers the outlet 212, the valve 2 is closed; when one end of the spool 22 is far away from the outlet 212, the valve 2 is opened, and the liquid can flow into the valve body 21 through the main channel 211 on the outside 2101 of the valve body. Pass through the outflow port 212. In the embodiment of FIG. 3 , the main flow channel 211 has two sections of cylindrical passages with different inner diameters. The main flow channel 211 has at least a first section of the flow channel 2111 and a second section of the flow channel 2112 along its axial direction, and the first section of the flow channel The inner diameter of 2111 is smaller than the inner diameter of the second flow channel 2112, the outlet 212 communicates with the first flow channel 2111 and the other end extends to the bottom of the valve body 21 and aligns with the position of the annular flow channel 41, the valve core 22 is in the first The section flow channel 2111 and the second section flow channel 2112 can slide, and the outflow port 212 can be opened or closed.

The spool 22 is rod-shaped and its shape matches the main channel 211 and can slide in the main channel 211. By applying an external force, the spool 22 can be driven to seal or open the outlet 212. For example, one end of the spool 22 can be driven to cover the outlet 212. When the outlet 212 needs to be opened, an external force can be applied to drive the valve core 22 away from the outlet 212. There are many ways for the valve core 22 to control the outlet 212. For example, a sealing head 2212 can be set at one end of the valve core 22. The outer diameter is larger than the inner diameter of the second section of the flow channel 2112 , moving the valve core 22 can make the sealing head 2212 open or seal the outlet 212 .

The shape of the valve core 22 can also be various, such as cylindrical or square. In the embodiment shown in FIGS. The second section of core 222, the second section of core 222 is located on the side of the sealing head 2212 away from the second section of flow channel 2112, the outer diameter of the first section of core 221 is greater than the outer diameter of the second section of core 222, the second section of core 222 The outer diameter of the second-section core body 222 is smaller than the inner diameter of the first-section flow channel 2111, and the length of the second-section core body 222 along the direction of the valve core 22 is greater than the distance from the outlet 212 to the second-section flow channel 2112. By moving the valve core 22 The sealing head 2212 can be kept away from or cover the outlet 212, and one end of the second-section core 222 is in the second-section flow channel 2112, and the other end is in the outlet 212, because the diameter of the second-section core 222 is smaller than that of the first section The flow channel 2111 , the fluid can flow into the outlet 212 through the second end flow channel 2112 and the second section core 222 . Specifically, it is defined that the end close to the second section of flow channel 2112 is the inner end 2201 of the valve core, the other end is the outer end 2202 of the valve core, and the second section core body 222 is arranged at the end close to the inner end 2201 of the valve core. When an external force is applied to the movement of the first-section core body 221 towards the outside of the valve body 21, one end of the second-section core body 222 can be located at the second-section flow channel 2112, and the other end can be located at the outlet of the first-section flow channel 2111 212 position, since the outer diameter of the second section core body 222 is smaller than the second section flow channel 2112, the fluid can flow into the outflow port 212 through the second section core body 222; the same applies force to the first section core body 221 toward the center of the valve body 21 When moving in the same direction, the inner end of the second section core 222 can be positioned at the first section flow channel 2111, so that the outlet 212 is sealed.

Further, the outer periphery of the sealing head 2212 is also provided with a sealing ring 2213, the diameter of the sealing head 2212 can be set to be smaller than the first section of the core body 221, the sealing ring 2213 can be ring-shaped, directly inserted into the sealing head 222, and the sealing ring 2213 The diameter of the outer circumference is larger than that of the first section of the flow channel 2111 and has elasticity. Moving the valve core 22 can make one end of the sealing ring 2213 cover the first section of the flow channel 2111 . Furthermore, the outer circumference of the sealing gasket can be set to gradually increase along the direction of the second segment core 222 toward the second flow channel 2111, that is, the diameter of the end of the sealing ring 2213 close to the first segment of the flow channel 2111 is close to that of the first segment The diameter of the flow channel 2112 , moving the valve core 22 can make one end of the sealing ring 2213 snap into the first section of the flow channel 2111 to seal the first section of the flow channel 2111 and the outlet 212 .

Optionally, an elastic sealing ring can also be provided on the first section of the valve core 221 far away from the second section of the valve core 222 and the sealing head 2212 to increase the sealing effect of the valve core 22, specifically, in the second section of the valve core 221. The first section of the core 221 of the core 22 is provided with a recessed part 2214 that is recessed along the circumferential direction of the valve core 22, and a sealing ring can be provided on the circumferential direction of the recessed part 2214. The diameter of the sealing ring is slightly larger than the first section of the flow channel 2111 and has elasticity. To prevent the fluid from flowing out through the first section of flow channel 2111.

The valve 2 further includes a reset member 23 , as shown in FIGS. 8-9 , the reset member 23 is disposed between the first-section core body 22 and the valve body 21 and arranged to provide a reset force for the first-section core body 221 . It can be understood that the reset force can be a thrust pushing the spool 22 away from the valve body 21 , or a pulling force driving the spool 22 close to the valve body 21 , depending on the working principle of the valve 2 . In the embodiment shown in FIG. 8 and FIG. 9 , the reset member 23 is disposed between the first-section core 221 and the valve body 21 and has a thrust to push the first-section core 221 away from the valve body 21 . The return member 23 is preferably a spring, and the external force applied to the spool 22 can compress the spring and make the inner end 2201 of the spool and the sealing head 2212 be located in the second section flow passage 2112, so that one end of the second section core body 222 is located in the second section The other end of the flow channel 2112 is located at the outflow port 212 of the first section of the flow channel 2111, the outflow port 212 is opened, the external force is withdrawn, and the spring can drive the inner end 2201 of the valve core and the sealing head 2212 to move toward the first section of the flow channel 2111, so that The sealing head 2212 blocks the first flow channel 2111, and the outflow port 212 is closed.

Further, the first section of the spool 221 is also provided with a limit protrusion 2211, specifically, the limit protrusion 2211 is arranged on the outer side 2101 of the valve core, one end of the spring can be fixedly arranged on the limit protrusion 2211, and the other end It is fixedly arranged on the inner side 2102 of the valve body, and the two ends of the spring can also be movably arranged between the inner side 2102 of the valve body and the limit protrusion 2211, only need to ensure that the outer diameter of the spring is smaller than the outer diameter of the limit protrusion 22111 To prevent the first core 221 from being inserted into the spring. It can be understood that the reset member 23 can also be in other ways, such as setting a magnetic strip inside the valve body 21, and setting a magnet or patch that is attracted to the magnetic strip of the valve body 21 on the limit protrusion 2211, which can also play a role. The effect of attraction or repulsion.

Further, the valve 2 also includes a limiter 24, which is arranged on the outside of the first section core body 221. The limiter 24 can limit the distance that the reset member 23 pushes the valve core 22 to move, and makes the inside of the valve core The end 2201 is located between the outflow port 212 and the second section of the flow channel 2112 to close the outflow port 212 . In the embodiment shown in Figures 3-10, the valve body 21 is annular, and the limiter 24 is also annular, and the limiter 24 is fixedly connected to the inner side 2102 of the valve body, and the inner side 2102 of the valve body is in contact with the limiter. A space for accommodating the reset member 23 is formed between the members 24 . Specifically, the top of the valve body 21 extends a certain distance toward the center of the valve body 21, the top of the limiting member 24 also extends circumferentially toward the valve body 21 and is connected to the top of the valve body 21, and the reset member 23 is installed on the valve body. The top lower end of the body 21 extends toward the direction of the valve core 22 . It can be understood that the limiting member 24 is provided with a plurality of spool holes matching the size of the first core body 221 so that the outer end 2202 of the spool protrudes from the limiting member 24, and an external force can be applied to the outer end 2202 of the spool. To push the spool 22 to move.

Optionally, an elastic sealing ring can also be provided on the first section of the valve core 221 far away from the second section of the valve core 222 and the sealing head 2212 to increase the sealing effect of the valve core 22, specifically, in the second section of the valve core 221. The first core body 221 between the core body 22 and the limit protrusion 2211 is provided with a recessed part 2214 which is recessed along the circumferential direction of the valve core 22, and a sealing ring can be provided in the circumferential direction of the recessed part 2214, and the diameter of the sealing ring is slightly larger than that of the first section. A section of flow channel 2111 is elastic to prevent fluid from flowing out through the first section of flow channel 2111 .

Optionally, a drive mechanism 3 may also be provided at the center of the valve body 21 to drive the movement of the valve core 22, which will be described in detail below.

The driving mechanism 3 includes a base 31, a first driving motor 32, a driving gear 33, a driven gear 34 and a second driving motor 35; the driving gear 33 is connected to the output shaft of the first driving motor 32; the driven gear 34 is rotatable Connected to the base 31 and meshed with the driving gear 33; the second driving motor 35 is fixedly connected to the driven gear 34, and the output shaft of the second driving motor 35 extends along the radial direction of the driven gear 34 and is operatively along the driven gear The radial expansion and contraction of gear 34. The first driving motor 32 drives the driving gear 33 to rotate, and the driving gear 33 drives the driven gear 34 to rotate so that the position of the second driving motor 35 is constantly moved, and then drives different external components to move. In one embodiment, the driving mechanism 3 is arranged at the ring center of the above-mentioned valve body 21, and the second driving motor 35 rotates continuously to drive different valve cores 22 to move.

As shown in Figures 10-12, the driven gear 34 has a ring body 341, defining the side of the ring body 341 near the center as the inner side of the ring body 341, and the side away from the center of the ring body 341 as the ring body 341 , the upper end of the ring main body 341 is the top, and the lower end is the bottom; the teeth of the driven gear 34 are distributed along the top circumferential direction of the ring main body 341, and the driving gear 33 is arranged on the top upper end of the ring main body 341 and along the direction perpendicular to the circle. The top of the ring body 341 rotates, and the teeth of the driving gear 33 are perpendicular to the teeth of the driven gear 34 and are disposed on the upper ends of the teeth of the driven gear 34 . Specifically, the driving gear 33 rotates vertically, driving the driven gear 34 to rotate along the base 31 .

Optionally, the driven gear 34 can also be arranged outside the ring body 341 , the driving gear 33 can be arranged to rotate in a horizontal direction matching the driven gear 34 , and the driving gear 33 can also drive the driven gear 34 to rotate along the base 31 . It can be understood that the driven gear 34 can also be arranged at the bottom of the ring body 341, and the driving gear 33 can be arranged at the bottom of the corresponding ring body 341. The setting position of the driven gear 34 is not limited, and can be arranged at the top The circumferential direction or other positions of the top can also be arranged at any position of the upper end or the lower end of the outer side of the ring main body 341, only need to realize that the driven gear 34 rotates along the base 31 so as to drive the second driving motor 35 to move.

The second driving motor 35 is arranged on the ring main body 341 and moves along with the rotation of the ring main body 341. The outer side of the ring main body 341 is provided with an inwardly recessed driving groove, and the second driving motor 35 is arranged in the driving groove. The shape of the driving groove is not limited. In the embodiment shown in FIG. 11a, the driving groove is a circular groove. In the embodiment shown in FIG. The shape is rhombus and it is arranged on one side close to the ring main body 341. There are threaded holes on both sides of the installation part, and the drive groove matches the groove of the installation part to facilitate the installation of the installation part into the drive groove. , can be installed in the drive groove by bolts. The output shaft of the second driving motor 35 is disposed on the outside of the ring body 341 , and the output shaft of the second driving motor 35 can be driven to expand and contract on the outside of the ring body 341 . It can be understood that the position of the second driving motor 35 can also be adjusted according to needs, such as being disposed at any position outside the ring body 341 or at the bottom of the ring body 341 . Optionally, the driving groove is arranged on the outside of the ring main body 341 near the top position, and the upper end of the driving groove cuts off the driven gear 34 on the top of the ring main body 341, and the teeth of the driven gear 34 are formed at the top position of the driving groove. gap, and then the first driving motor 32 drives the moving direction of the driving gear 33 to change constantly, and the moving direction of the driven gear 34 also changes continuously, and rotates clockwise to the gap and then returns clockwise. In addition, the number of the second driving motors 35 can also be adjusted, and multiple second driving motors 35 can be arranged on the ring main body 341 at the same time, and each second driving motor 35 can drive different parts to move.

The output shaft of the second drive motor 35 is a drive rod 351 , and the end of the drive rod 351 away from the second drive motor 35 is arc-shaped. It can be understood that the shape and size of the driving rod 351 can be adjusted according to the components that need to be driven without limitation.

The driving mechanism 3 is arranged in the above-mentioned valve 2. As shown in FIG. In the ring of the valve body 21 and the reset member 23, the output shaft of the second driving motor 35 is arranged to match the shape of the spool 22, and the output shaft of the second driving motor 35 is arranged at the other end of the spool 22 and can drive the spool 22 To seal or open the outlet 212, the second drive motor 35 can drive different valve cores 22 to move by continuously rotating the driven gear 34, so as to realize the opening or closing of the valve core 22.

Further, the second drive motor 35 is configured to drive the spool 22 to move until one end of the second segment core body 222 is located at the second segment flow channel 2112 and the other end is located at the outlet 212. It can be understood that the second drive motor 35 The telescopic displacement of the output shaft can be adjusted according to the positions of the spool 22 and the outlet 212 , it is only necessary to ensure that the spool 22 opens and closes the outlet 212 .

Further, the second drive motor 35 is configured to drive the first core 221 to compress the spring and move toward the valve body 21. The driving force of the second drive motor 35 is greater than the thrust of the spring, so that the valve core 22 compresses the spring and moves .

Optionally, when multiple second drive motors 35 are provided on the ring-shaped main body 111, multiple valve cores 22 can be driven to open or close simultaneously.

The flow channel plate 4 is ring-shaped, and the top of the flow channel plate 4 has at least one non-closed annular flow channel 41 and at least one test pit 42 formed by indenting downward relative to the top surface, and the test pit 42 communicates with the annular flow channel 41. It can be understood that a plurality of annular flow channels can also be set on the flow channel plate 4. Different annular flow channels 41 have different widths and depths to facilitate the adaptation of various concentrations of liquids. In addition, the position of the test pit 42 can be connected to the Each annular flow channel 41 , or multiple annular flow channels 41 are connected to different test pits.

The annular flow channel 41 can be closed, but it is necessary to set a barrier on the annular flow channel 41 to prevent liquid circulation. In the embodiment shown in Figures 13a-16, the annular flow channel 41 is not closed, and Including the first flow channel 411 and the second flow channel 412, the end of the first flow channel 411 is provided with a bending part 413 bent to a certain arc, and one end of the second flow channel 412 is connected to the bending part 413; the test pit 42 is set in On the second flow channel 412, when the liquid flows into the second flow channel 412 through the first flow channel 411, it passes through the bending part 413, and the bending part 413 can make the liquid form a vortex to generate greater fluidity, and it is easier to enter the test pit 42 It can be understood that the bent portion 413 can be bent toward the center of the annular flow channel 41, or can be bent away from the center of the annular flow channel 41. In the embodiment shown in FIGS. 13-16, the bent portion 413 is bent towards the center of the annular flow channel 41 , and the second flow channel 412 deviates from the curvature of the first flow channel 411 and is close to the center of the annular flow channel 41 .

Optionally, downwardly recessed steps 43 are provided on both sides of the annular flow channel 41 to install the seal 44. Specifically, the steps 43 extend along the flow direction of the annular flow channel 41 to the top of the test pit 42 and the outflow channel. , the seal 44 matches the shape of the step to the top of the flow channel plate 4, the seal 44 can be installed on the step and can slightly protrude from the top of the flow channel plate 4, when the flow channel plate 4 is installed on the lower end of the valve body 21, The sealing member 43 can make the flow channel plate 4 and the valve body 21 tightly fit and keep the annular flow channel 41 in a sealed state.

The arc length of the annular channel 41 can be adjusted as required, and the width and depth are preferably 0.5-1.0 mm. In addition, in order to increase the fluidity and cleanability of the annular flow channel 41, a smooth coating can be set on the inner wall and bottom of the annular flow channel 41, and the coating is preferably polytetrafluoroethylene (PTFE). In the implementation of Figures 13-16 In the example, the annular flow channel 41 extends nearly along the entire flow channel plate 4, one end of the second flow channel 412 is connected to the bent portion 413, and the other end is provided with a liquid outlet, and the liquid outlet and the end of the first flow channel 411 are cut off. form a closed loop. The liquid outlet is connected to the liquid outlet channel 414 of the flow channel plate 4. Specifically, a bending portion 413 may also be provided between the liquid outlet and the second flow channel 412 to increase the flow of the liquid in the second flow channel 412 into the liquid outlet. , in the embodiment shown in FIG. 13 , the second flow channel 412 is bent toward the outside of the flow channel plate 4 , and the liquid outlet end is located at the end of the bent portion 413 away from the second flow channel 412 .

The outer side of the flow channel plate 4 is provided with an inwardly recessed liquid outlet channel 414. One end of the liquid outlet channel 414 arranged on the outside of the flow channel plate 4 is a liquid outlet, and the other end is arranged at the bottom of the liquid outlet and communicates with the liquid outlet. In the embodiment shown in FIG. 13 , the liquid outlet slightly protrudes from the outside of the channel plate 4 and is connected to the drain pipe 416 , and the liquid in the annular flow channel 41 can flow out through the drain pipe 416 . Specifically, one end of the liquid outlet channel 414 is connected to the annular flow channel 41, and the other end is connected to the sewage pipe 416, and the included angle 4161 between the sewage pipe and the liquid pipe is in the range of 100°-135° and is connected by an arc pipe. The pipeline can facilitate the smooth discharge of sewage in the annular flow channel 41 without causing a backlog in the liquid outlet channel 414 . The housing 10 is provided with a sewage outlet 102, and the sewage outlet 102 is connected to the sewage pipe 416. Specifically, the sewage outlet 102 is provided with a plastic tube 103. The plastic tube 103 can also be a silicone tube, and the plastic tube 103 is connected to the sewage outlet in a closed manner. 102 and one end extends to the outside of the sewage outlet 102 , that is, outside the housing 10 , and the other end communicates with the sewage pipe 416 , which can be set outside the plastic pipe 103 . Furthermore, the included angle 4162 between the sewage pipe and the sewage outlet is also in the range of 100°-135° and is connected by an arc pipe to facilitate the sewage in the sewage pipe 416 to be discharged from the shell 10 through the plastic pipe 103 smoothly. The entire sewage pipe 416 is The arc-shaped curve bypasses the circular reagent box 1 and passes through several curved arcs, so that the sewage flows out through the sewage pipe 416 .

Further, the sewage discharge pipe 416 is circular and preferably has a diameter of 0.5 mm. It can be understood that the diameter of the sewage discharge pipe can be slightly larger or smaller than 0.5 mm. The material of the discharge pipe 416 can be a hose or a hard material, preferably Silicone tubing. A smooth coating is also provided in the sewage pipe 416 to facilitate sewage discharge, and the coating is preferably polytetrafluoroethylene. The sewage pipe 416 is detachably connected to the housing 10. Specifically, the lower shell of the housing 10 is provided with a buckle, and the buckle includes a snap ring. The sewage pipe 416 can pass through the snap ring and be connected to the lower shell. The ring is bent into a certain shape. It can be understood that the sewage discharge pipe 416 can also be connected to the lower case in other ways, without limitation.

In another embodiment, a control valve is also provided in the liquid outlet channel 414, which is defined as a third control valve, and the third control valve is a one-way valve so that the liquid in the annular flow channel 41 can only flow into the sewage pipe 416 in one direction. And limit the liquid in the sewage pipe 416 to return to the annular flow channel 41. When the urine tester is in a dormant state or is testing, the control device can control the third control valve to close. On the one hand, the annular flow channel is in a closed space to facilitate detection. On the other hand, one end of the liquid outlet channel is closed to prevent the sewage at the sewage outlet on the shell from entering the sewage pipe.

The test pit 42 can be set multiple, or single, in the embodiment shown in Figure 13a-16, the test pit 42 is 3 and is arranged on the second flow channel 412 of the annular flow channel 41 at intervals, the shape of the test pit 42 Unrestricted, the size can be adjusted according to the amount of reagent required for the test. In addition, the depth of the test pit 42 should not be too deep for convenience, preferably 1.0mm. Understandably, the test pit needs to be slightly deeper than the depth of the annular flow channel to facilitate the reagents. Just gather in the test pit and test.

The bottom of the flow channel plate 4 is recessed inward toward the position of the test pit 42 to form a mounting groove 415 to install the light source device 81 in the detection device. As shown in Figures 15-16, the mounting groove 415 corresponds to the bottom of the test pit 42 for The photosensitive sensor 82 in the photosensitive detection device 8 is installed, and the bottom of the test pit 42 needs to be a transparent material, such as transparent glass, and the photosensitive sensor 82 detects the liquid in the test pit 42 through the transparent material. Preferably, the inner diameter of the installation groove 415 is slightly larger than the inner diameter of the test pit 42 to fully detect the liquid in the test pit 42 . The shape of the installation groove 415 is not limited, and can be adjusted according to the shape of the photosensitive sensor 82 .

The urine tester 100 also includes a water inlet pipe 71, the water inlet pipe 71 also includes a first water inlet pipe 71 and a second water inlet pipe 71, one end of the first water inlet pipe 71 is connected to the inlet 61 of the peristaltic pump, and the other end can be directly The water pipe connected to the outside is used to receive clean water. One end of the second water inlet pipe 71 is connected to the outlet 62 of the peristaltic pump, and the other end is connected to the cleaning inlet 213; further, the urine tester 100 also includes a water storage container 72, which communicates with the first Section water inlet pipeline 71 is used for storing clear water.

The urine tester 100 also includes an air pipeline 73. The air pipeline 73 also includes a first section of the air pipeline 73 and a second section of the air pipeline 73. One end of the first section of the air pipeline 73 communicates with the outlet 62 of the pump 6, and the other One end receives external air; one end of the second section of the air pipeline 73 communicates with the outlet 62 of the peristaltic pump, and the other end communicates with the vent 215 .

The pump 6 of the present invention is preferably a peristaltic pump 6, as shown in Figure 17, Figure 18 and Figure 19, the peristaltic pump 6 has an inlet 61 and an outlet 62, the inside of the peristaltic pump is also provided with a hose, and the air is driven by squeezing the hose or Liquid channel; specifically, the inlet 61 upstream of the peristaltic pump is provided with a first control valve and is set to selectively open the sampling pipeline 51 or the water inlet pipeline 71 or the gas pipeline 73, and the downstream of the outlet 62 of the peristaltic pump is provided with a second control valve. The control valve is also set to selectively open the sample inlet 214 or the cleaning inlet 213 or the vent 215. Specifically, when sampling is required, the first control valve connects the inlet 61 of the peristaltic pump to the first section of the sampling pipeline 51, and the second The control valve connects the outlet 62 of the peristaltic pump with the second sampling pipeline 51. At this time, the control device 9 controls the valve of the sampling port 214 to open, and controls the valve of the liquid outlet pipeline to close; when cleaning is required, the first control valve will peristaltic The inlet 61 of the pump is switched to the first section of water inlet pipeline 71, the second control valve makes the outlet 62 of the peristaltic pump communicate with the second section of water inlet pipeline 71, the control device 9 controls the valve of the cleaning inlet 213 to open, and simultaneously controls the opening of the liquid outlet channel 414. The valve is closed; when ventilation or inhalation is required, the first control valve connects the inlet 61 of the peristaltic pump with the first section of the gas pipeline 73, and the second control valve connects the outlet 62 of the peristaltic pump with the outlet 62 of the peristaltic pump. When the air in the flow channel plate 4 is discharged, the valves of the sample inlet 214, the air vent 215 and the liquid outlet channel 414 are all closed; Open. Optionally, both the first control valve and the second control valve are solenoid valves.

The urine tester 100 also includes a casing 10 , as shown in FIG. 20 , the casing 10 has a housing space for accommodating the pump 6 , the sampling device 5 , the detection device, the valve 2 , the driving mechanism 3 and the control device 9 . Specifically, the housing 10 has an upper shell and a lower shell. The upper shell and the lower shell are detachably connected to form a closed space. The lower shell is fixedly arranged on the inner wall of the toilet. The upper shell is provided with at least one urine Inlet 101, the urine inlet 101 communicates with the sampling pipeline 51, specifically, the urine inlet 101 communicates with the first section of the sampling pipeline 51 to receive urine; the upper or lower housing is also provided with a ventilation inlet and communicates with the first section of gas road pipe 73; the housing 10 is also provided with a sewage outlet, and the sewage outlet is arranged on the lower shell or at the junction of the upper shell and the lower shell to facilitate the passage of the sewage pipe 416.

The urine tester 100 also includes a temperature sensor, which is arranged on the casing 10 and is electrically connected to the control device 9. Specifically, the temperature sensor is arranged inside or outside the upper case to sense the temperature to start the urine tester. 100, preferably arranged outside the upper case to sense the urine temperature more accurately, the temperature sensor sends a signal to the control device 9, and the control device 9 activates the entire urine tester 100 to start operation.

The urine tester 100 also includes indicator lights to display the working status of the urine tester 100. There can be more than one indicator light, which can be set on the upper shell or at other positions of the housing 10, as long as it can be easily seen just arrive.

The control device 9 includes a plurality of circuit boards, which are respectively connected to the pump 6, the first control valve, the second control valve, the third control valve, a temperature sensor, a brightness sensor, an indicator light, a detection device, a driving mechanism 3, etc. , and can control the operation of these devices. Specifically, the urine flows through the upper shell, and the temperature sensor senses the temperature and sends a signal to the control device 9, and the control device 9 controls the driving mechanism 3 to drive the battery to open the outlet 212, and then controls the first control valve and the second control valve The air in the flow channel plate 4 is discharged through the air pipeline 73, so that the reagent flows into the flow channel plate 4 through the outlet 212, and then the pump 6 is controlled to drive the air pipeline 73 into the flow channel plate 4 to drive the reagent into the test pit 42; The control device 9 then controls the first control valve and the second control valve to connect the pump 6 to the sampling pipeline 51, and drives the urine to enter the test pit 42 of the flow channel plate 4 through the sampling pipeline 51; the control device 9 starts the detection module 8 to operate; After the test is completed, the control device 9 controls the first control valve and the second control valve to open the water inlet pipe 71, and controls the pump 6 to drive water into the flow channel plate 4 for cleaning, and the control device 9 controls and simultaneously controls the third control to open to facilitate cleaning. The sewage is discharged through the sewage pipe 416. When the urine testing instrument 100 is started, the control device 9 can control the indicator light to start to show the operation of the whole device.

The detection module 8 is a photosensitive detection device. The photosensitive detection device includes a light source device 81 and a photosensitive sensor 82. The light source device 81 is LED light. Specifically, the light source device 81 is arranged in the installation groove 415 at the bottom of the runner plate 4, the top of the installation groove 415 corresponds to the test pit 42, and the top of the installation groove 415 is made of a transparent material that can transmit light, and the LED lamp is installed in the installation groove 415 A light source can be generated inside and a photosensitive sensor 82; the photosensitive sensor 82 is arranged in the detection device installation groove 216 of the valve body 21. After the valve body 21 is connected to the runner plate 4, the detection device installation groove 216 is located at the upper end of the test pit 42, which is acceptable LED irradiates the light source after urine and reagent mixed liquid to detect, understandably, also LED etc. can be arranged on the side portion of test pit 42, photosensitive sensor 82 is arranged on the opposite side portion of test pit 42, the test pit 42 All around the side are transparent materials, and the photosensitive sensor 82 can also accept the LED light source; LED light can also be arranged on the top of the test pit 42, and the photosensitive sensor 82 is arranged on the bottom of the test pit 42, which can also achieve the purpose of detection; LED, etc. There are many ways to position the photosensitive sensor 82 and are not limited. It can be understood that the photosensitive sensor 82 is connected with the LED to the external equipment and the control device 9. After the urine and the reagent flow through the test pit 42, the control device 9 controls the LED and the photosensitive sensor 82 to start. After the detection is completed, the control device 9 controls The LED etc. and the light sensor 82 are turned off and the data is transmitted to an external device.

The sampling device 5 includes a sampling pipeline 51, the sampling pipeline 51 is divided into a first sampling pipeline 51 and a second sampling pipeline 51, wherein one end of the first sampling pipeline 51 communicates with the inlet 61 of the peristaltic pump, and the other end is used to receive urine One end of the second section sampling pipeline 51 communicates with the outlet 62 of the peristaltic pump, and the other end communicates with the sample inlet 214 of the valve body 21; the peristaltic pump 6 forms a negative pressure in the sampling pipeline 51 through exhaust to absorb urine into the first A section of sampling pipeline 51 can drive the receiving of urine, and can also drive urine into the second section of sampling pipeline 51 to enter the annular flow channel 41 through the sample inlet 214 .

Further, the sampling device 5 also includes a sample container 52, the sample container 52 communicates with the first section of the sampling pipeline 51, and the driving pump 6 can drive the urine to flow into the sample container 52 first, and then drive a quantitative amount of urine to flow into the annular channel; optionally The sample container 52 is also provided with a filter, and the urine enters the sample container 52 and is first filtered to prevent other solid substances from entering the annular channel 41 to interfere with the test.

In the embodiment shown in FIGS. 17 and 18 , the reagent box 1 of the urine tester 100 is annular, and the valve 2 and the driving mechanism 3 are sequentially installed in the ring of the reagent box 1 , wherein the valve body 21 is installed in the ring-shaped main body. ring, the spool 22 is installed with the main channel 211 of the valve body 21, the outer end 2202 of the spool protrudes from the inner side 2102 of the valve body 21, and the driving mechanism 3 is installed in the ring of the valve body 21, wherein the first The driving motor 32 is installed on the top of the valve body 21, the driven gear 34 and the second driving motor 35 are installed on the center of the valve body 21 and the driving rod 351 of the second driving motor 35 can drive the valve core 22 to move, specifically, the first The driving motor 32 drives the driving gear 33 and drives the driven gear 34 to rotate. The first driving motor 32 is set to rotate at a certain angle and stay for a period of time. It can be understood that the angle of rotation and the position of staying match the distance of each spool 22. The residence time also needs to be designed according to the second drive motor 35 driving the spool 22 and the outflow volume and outflow speed of the reagent in the reagent box 1 . When the output shaft of the second driving mechanism 3 rotates with the driven gear 34 to the valve core 22 corresponding to the reagent capsule 12 that needs to be opened, the second driving mechanism 3 drives the output shaft to extend out of the driven gear 34 and push the valve core 22 to Valve body 21 moves. It can be understood that the telescopic length of the output shaft also needs to be determined according to the position of the second core body 222 of the valve core 22 and the position of the outlet 212. It is necessary to ensure that the end of the second core body 222 of the valve core 22 is located at the first The second flow channel 2112, the other end is located at the outlet 212, after the reagent of the kit 1 flows out through the outlet 212, the second driving motor 35 retracts, and the reset member 23 drives the valve core 22 to move away from the valve body 21, and the valve core The inner end 2201 of the first section of the flow channel 2111 and the outlet 212 are blocked, and the outlet 212 is closed.

The flow channel plate 4 is installed on the bottom of the valve body 21, and the flow channel plate 4 and the valve body 21 are closely matched. It can be understood that the flow channel plate 4 can be welded or screwed to the valve body 21, or it can be fixedly connected in other ways. , the connection method is not limited, it only needs to ensure that the top of the flow channel plate 4 is connected to the valve body 21 in a closed manner. In the embodiment of FIG. 17, the valve body 21 of the flow channel plate 4 is connected by screws. The valve body 21 is provided with a plurality of outflow ports 212, one end of the plurality of outflow ports 212 communicates with the inner walls of the plurality of main flow channels 211, and the other end corresponds to the annular flow channel 41 of the flow channel plate 4 at the bottom of the valve body 21, the valve body 21 is also provided with a cleaning inlet 213, a sample inlet 214 and a vent 215 connected to the annular flow channel 41, wherein urine can flow into the annular flow channel 41 through the sample inlet 214, and clear water can flow into the annular flow channel 41 through the cleaning inlet 213 , the air enters the annular flow channel 41 through the vent 215.

The reagent in the reagent box 1 can flow into the annular channel 41 through the main channel 211 of the valve body 21 through the outlet 212. Since the flow channel plate 4 and the valve body 21 are connected in a closed manner, the valve body 21 and the mounting plate 11 are also connected in a closed manner. After the mechanism 3 drives the spool 22 to open the outlet 212, the pump 6 sucks the air in the ring track through the vent 215, which will make the ring track 41 and the second section of the flow channel 2112 form a negative pressure state, and the reagents in the kit 1 Under the influence of negative pressure, it can be absorbed into the annular track. It can be understood that at this time, the cleaning inlet 213, the sample inlet 214 and the liquid outlet channel 414 are closed, leaving only the vent 215 open to discharge the liquid in the annular flow channel 41. Air. The sampling port 214, the cleaning inlet 213, the vent port 215 and the liquid outlet channel 414 are provided with valves, which can be control valves or other valves. The valves are connected to the control device 9 and are controlled by the control device 9. For example, the When the urine was input in the annular flow channel 41, the valve of the sample inlet 214 was opened, the valves of the cleaning inlet 213 and the vent port 215 could be opened or closed without being affected, and the valve of the liquid outlet channel 414 must be in a closed state to prevent the liquid from After the test, it flows out directly; the liquid enters the annular flow channel 41, and the air vent 215 is opened to input air to drive the urine to flow into the test pit 42. At this time, the cleaning inlet 213 and the sample inlet 214 also need to be closed; after cleaning, the cleaning inlet 213 is opened , the liquid outlet channel 414 is also opened, water enters the annular flow channel 41 and flows out through the liquid outlet channel 414 to clean the whole device.

In the embodiment of FIG. 18 , the difference from FIG. 17 is that the reagent capsule 12 is directly connected to the outflow port 113 , and the annular body 111 of the mounting plate 11 is cylindrical, as shown in FIG. 2 d . Other operating principles are consistent with FIG. 17 .

The present invention also relates to a urine testing method, the urine testing method steps comprising:

S1. The temperature sensor senses the urine temperature and sends a signal to the control device 9, and the urine tester 100 is started.

S2. The control device 9 controls the first control valve and the second control valve to connect the gas pipeline 73 to the pump 6, and controls the third control valve to close the sewage pipeline 416, and the pump 6 drives the gas pipeline 73 to connect the air pipeline 73 in the annular channel. The air is sucked out and a negative pressure state is formed in the annular channel; the control device 9 controls the driving mechanism 3 to drive the valve core 22 to open the outlet 212, and the air and liquid in the reagent box 1 flow into the annular channel;

It can be understood that the control device 9 can control the operation of the pump 6 and the driving mechanism 3 at the same time, or first control the pump 6 to suck out the air in the flow channel plate 4, and then control the driving mechanism 3 to drive the valve core 22 to open the outlet 212, or first The driving mechanism 3 is controlled to drive the spool 22 to open the outlet 212, and then the pump 6 is controlled to start, and the sequence is not affected.

It can be understood that when the first control valve connects the gas pipeline 73 to the pump 6, the control device 9 simultaneously controls the valve in the air inlet to open, and at the same time, the valves of the sample inlet 214 and the cleaning inlet 213 are closed to form a closed space to prevent air Exhausted from the sample inlet 214 and the purge inlet 213.

Optionally, the control device 9 can also control the first control valve to open the sampling pipeline 51, and the pump 6 drives the sampling pipeline 51 to suck the urine in the toilet into the sample container 52 first, and the impurities in the urine are collected in the sample container 52. The urine is filtered, and then the control device 9 controls the pump 6 to drive the urine from the sample container 52 into the flow channel plate 4 .

Optionally, the control device 9 controls the first control valve to open the water inlet pipe 71, and the pump 6 drives the water inlet pipe 71 to suck water into the water storage container 72. When cleaning is required, the pump 6 drives the water in the water storage container 72 to flow into the water. Inside the road plate 4.

S3, the control device 9 controls the first control valve and the second control valve to connect the sampling pipeline 51 to the pump 6, and the control device 9 controls the pump 6 to drive quantitative urine from the sample container 52 to flow into the test pit 42 of the annular channel; understandably , when the pipeline is connected to the pump 6, the valve of the sample inlet 214 is opened to facilitate the entry of urine into the flow channel plate 4, and the valves in the cleaning inlet 213 and the air vent 215 can be in an open or closed state.

S4. The control device 9 drives the detection device to start.

S5. The control device 9 controls the first control valve and the second control valve to connect the water inlet pipe 71 to the pump 6, and controls the third control valve to open the sewage pipe 416, and the pump 6 The water in the water storage container 72 is driven into the annular channel to flush the annular channel and the test pit 42 and flow out through the sewage pipe 416 . When the flow channel plate 4 needs to be cleaned, the control device 9 simultaneously drives the valve of the cleaning inlet 213 to open to facilitate the water in the water inlet pipe 71 to flow into the flow channel plate 4 .

The urine tester 100 of the present invention can test various components of urine. The test kit 1 has a variety of reagent capsules 12 that can hold different reagents. According to the different components to be tested, multiple tests can be performed. The reagents required for each test Differently, the driving mechanism 3 opens different reagent boxes 1 as required, and other steps are the same as above.

The preferred embodiments of the present invention have been described in detail above, but it should be understood that those skilled in the art can make various changes or modifications to the present invention after reading the above teaching content of the present invention. These equivalent forms also fall within the scope defined by the appended claims of this application.

Claims

A valve, characterized in that the valve comprises:

A valve body, the valve body is provided with a plurality of main flow passages that pass through the valve body and are sequentially spaced apart along the length extension direction of the valve body, and the valve body is provided with a plurality of outlets, and the plurality of outlets are respectively communicating with the inner walls of a plurality of said main channels;

A plurality of spools, each spool is slidably installed in a corresponding one of the main passages, and the spool is operable to seal or open the outlet.
The valve according to claim 1, wherein each said main channel has at least a first section of flow channel and a second section of flow channel along its axial direction, wherein the inner diameter of said first section of flow channel is smaller than said The inner diameter of the second section of the flow channel, the outlet is connected to the first section of flow channel, and the valve core is slidable between the first section of flow channel and the second section of flow channel.
The valve according to claim 2, wherein one end of the valve core is slidably installed in the main channel and is operable to seal or open the outlet, and the other end protrudes from the valve body.
The valve according to claim 3, wherein a sealing head is provided at one end of the valve core, and the outer diameter of the sealing head is larger than the inner diameter of the second section of the flow channel.
The valve according to claim 4, wherein a sealing ring is provided on the outer periphery of the sealing head, and the outer diameter of the sealing ring is larger than the inner diameter of the second section of the flow channel.
The valve according to claim 5, wherein the valve core is rod-shaped and has at least a first section of core and a second section of core, and the second section of core is located far away from the sealing head. One side of the second section of the flow channel, the outer diameter of the first section of the core body is greater than the outer diameter of the second section of the core body, and the outer diameter of the second section of the core body is smaller than the first section of the flow channel The inner diameter of the second section of the core body along the direction of the valve core is greater than the distance from the outlet to the second section of the flow channel.
The valve according to claim 6, characterized in that, the valve further comprises a reset member, the reset member is arranged between the first segment core and the valve body and is arranged as the first segment core Body provides restoring force.
The valve according to claim 3, characterized in that, the valve further includes a limiter, the limiter is installed on the inner side of the valve body, and is connected to the limiter on the inner side of the valve body A space for accommodating the reset member is formed therebetween.
The valve according to claim 8, wherein the limiting member is annular, and a plurality of valve core holes corresponding to the valve core are arranged on the limiting member.
The valve according to claim 8, characterized in that, the first section of the core body is further provided with a radially protruding section from the first section of the core body at the position between the limiting member and the valve body A limiting protrusion, the diameter of the limiting protrusion is larger than the diameter of the valve core hole, and the limiting protrusion cooperates with the limiting member to limit the movement range of the valve core.
The valve according to claim 10, characterized in that, on the first section of the core, the recessed portion on the second section of the core and the limiting protrusion is also recessed toward the circumference of the first section of the core, A sealing ring is also provided on the outer periphery of the recessed portion, and the sealing ring has an outer diameter slightly larger than that of the first section of the flow channel.
The valve according to claim 8, wherein the valve body is annular, the plurality of main channels are arranged in sequence along the circumference of the valve body, and the limiting member is fixedly connected to the valve body the top of.
The valve according to claim 10, wherein the reset member is a spring, and the outer diameter of the limiting protrusion is larger than the outer diameter of the spring.
A kit, characterized in that it comprises:

A valve according to any one of the preceding claims 1-13;

The mounting plate has an annular main body and a plurality of drainage holes passing through the side of the annular main body, and the plurality of drainage holes are spaced apart from each other and distributed along the circumferential direction of the annular cylinder.
The kit according to claim 14, characterized in that, the kit also includes a plurality of reagent capsules, the reagent capsules are provided with outlets, and the outlets of each of the reagent capsules can be closed and communicated with the corresponding the drainage hole.