FISH equipment valve plate

Abstract

The utility model relates to a FISH equipment valve plate which comprises a plate body internally provided with a liquid path system, the plate body is provided with a mounting surface for mounting an electromagnetic valve, the liquid path system comprises a closed main channel, the mounting surface is provided with a plurality of first input holes and a plurality of connecting holes, the first input holes are communicated with the main channel, and the connecting holes are communicated with the main channel. The connecting holes are in one-to-one correspondence with the first input holes and are suitable for being connected with one corresponding connecting hole and one corresponding first input hole through an electromagnetic valve, a first output hole communicated with the main channel is further formed in the mounting surface, and the first output hole is used for being connected with the input end of a reaction tank liquid inlet pump; a plurality of reagent holes with the same number as the connecting holes are formed in the side surface, opposite to the mounting surface, of the plate body, are communicated with the connecting holes in a one-to-one correspondence manner and are used for being connected with reagent containers. A large number of connecting pipelines between the valve and the reaction tank can be omitted, the connection reliability is improved, and the maintenance difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of molecular pathological detection technology, specifically relates to a FISH equipment valve plate. BACKGROUND

[0002] The conventional paraffin-embedded tissue section (conventional section) is the most widely used method in the histological conventional sectioning technique, which is commonly used in pathology to study, observe and judge the morphological changes of cell tissues, and can be used for qualitative and positioning observation and research of polypeptides and proteins and other macromolecular substances in cell tissues in combination with immunological techniques, and can be used for gene positioning and state analysis in cells in combination with the FISH method, and has been widely used in research in multidisciplinary fields.

[0003] In the conventional FISH detection, the paraffin-embedded tissue section needs to be treated through the steps of deparaffinization, penetration of a penetrating agent, pepsin digestion, washing, and draining, wherein the switching of a plurality of reagents in a reaction tank is involved, the injection of each reagent is generally controlled by one electromagnetic valve, and the connection between each valve and the reaction tank often needs a large number of long pipelines, thereby increasing the unreliability of the connection and upgrading the maintenance difficulty. SUMMARY

[0004] Based on the above description, the utility model provides a FISH equipment valve plate to solve the problems in the related art that the injection of each reagent is generally controlled by one electromagnetic valve, the connection between each valve and the reaction tank often needs a large number of long pipelines, thereby increasing the unreliability of the connection and upgrading the maintenance difficulty.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] The application provides a FISH equipment valve plate, and the technical solution adopted is as follows:

[0007] A FISH equipment valve plate comprises a plate body provided with a liquid path system, the plate body is provided with a mounting surface for mounting an electromagnetic valve, the liquid path system comprises a closed main channel, a plurality of first input holes and a plurality of connecting holes with the same number are formed in the mounting surface, the first input holes are in communication with the main channel, the connecting holes correspond to the first input holes one by one, an electromagnetic valve is adapted to connect one connecting hole and one first input hole, a first output hole in communication with the main channel is also formed in the mounting surface, and the first output hole is used to connect with the input end of a reaction tank liquid inlet pump.

[0008] A plurality of reagent holes with the same number as the connecting holes are formed in the side surface of the plate body opposite to the mounting surface, the reagent holes are in communication with the connecting holes one by one, and the reagent holes are used to connect with reagent containers.

[0009] Preferably, the liquid path system further comprises a sub-channel and at least one output channel, the sub-channel and the output channel are closed, the mounting surface is provided with a second input hole communicating with the sub-channel, the second input hole is used for connecting with the output end of the reaction tank liquid inlet pump, the mounting surface is further provided with a second output hole, a third input hole and a third output hole, the number of the second output hole, the third input hole and the third output hole is the same as the number of the output channel, the second output hole communicates with the sub-channel, the second output hole corresponds to the third input hole one by one, and an electromagnetic valve is used to connect the corresponding second output hole and the third output hole, the third input hole communicates with the output channel one by one, and the third output hole is used for connecting the reaction tank liquid injection hole.

[0010] Preferably, the liquid path system further comprises a sub-channel and at least one output channel, the sub-channel and the output channel are closed, the mounting surface is provided with a second input hole communicating with the sub-channel, the second input hole is used for connecting with the output end of the reaction tank liquid inlet pump, the mounting surface is further provided with a second output hole, a third input hole and a third output hole, the number of the second output hole, the third input hole and the third output hole is the same as the number of the output channel, the second output hole communicates with the sub-channel, the second output hole corresponds to the third input hole one by one, and an electromagnetic valve is used to connect the corresponding second output hole and the third output hole, the third input hole communicates with the output channel one by one, and the third output hole is used for connecting the reaction tank liquid injection hole.

[0011] Preferably, the mounting surface of the plate body opposite to the mounting surface is provided with a number of filter cavities equal to the number of the fourth output holes, the filter cavities communicate with the fourth output holes one by one, and the filter cavity corresponding to one of the fourth output holes communicates with the fifth input hole, a filter is installed in the filter cavity, and the reagent flows through the filter when flowing from the input channel to the fourth output hole.

[0012] Preferably, the diameter of the reagent hole is larger than the diameter of the connecting hole, and a pipeline joint is installed in the reagent hole.

[0013] Preferably, the main channel comprises at least two liquid inlet sections and a convergence section connecting the at least two liquid inlet sections, the liquid inlet sections extend along a first straight line direction parallel to the mounting surface, and the at least two liquid inlet sections are distributed along a second straight line direction perpendicular to the mounting surface, the convergence section communicates with the at least two convergence sections, and the first output hole communicates with the convergence section.

[0014] Preferably, bolt holes for mounting the solenoid valve are formed on the mounting surface.

[0015] Compared with the prior art, the technical scheme of the application has at least the following beneficial technical effects:

[0016] 1. The application forms a liquid path system in the plate body, sets a plurality of first input holes and first output holes in communication with the main channel of the liquid path system, sets a plurality of connecting holes in one-to-one correspondence with the first input holes, and forms connections through solenoid valves, with the solenoid valves controlling the on-off of the corresponding connecting holes and first input holes. A plurality of reagent holes in one-to-one correspondence with the connecting holes are formed on the plate body, the reagent holes can be connected to reagent containers through pipe joints and pipes, a plurality of reagent holes correspond to a plurality of reagent containers, reagents in the reagent containers are output, pass through the reagent holes, the connecting holes, the solenoid valves and the first input holes, and then enter the main channel and are output through the first output holes. The first output holes can be connected to the liquid inlet pump of the reaction tank through pipe joints and pipes, and then the reagents are delivered to the reaction tank through the liquid inlet pump. Different reagents are input into the main channel by controlling the on-off of different solenoid valves. The solenoid valves can be installed on the mounting surface of the valve plate, and the input ports and the output ports are directly connected to the connecting holes and the first input holes, respectively. The reaction tank only needs to be connected to the first output port through a pipe, thereby eliminating a large number of connecting pipes between the valves and the reaction tank, improving the reliability of the connection and reducing the maintenance difficulty.

[0017] 2. The application further sets the liquid path system to include a secondary channel and an output channel, sets a second input hole in communication with the secondary channel, and connects the second input hole to the input end of the liquid inlet pump of the reaction tank to input the reagents output from the main channel into the secondary channel, thereby facilitating the installation of the liquid inlet pump and the flow meter and other equipment on the pipe between the first output hole and the second input hole. A second output hole, a third input hole and a third output hole are also formed on the mounting surface, the second output hole and the third input hole are in one-to-one correspondence and are connected through solenoid valves to control the on-off between the second output hole and the third input hole through the solenoid valves, the third input hole is in one-to-one correspondence with the output channel, and the third output hole is used to connect the liquid injection hole of the reaction tank. The reagents output from the secondary channel pass through the second output hole, the third input hole, the input and output channel, and the third output hole to be output to the reaction tank. Different third output holes are connected to different reaction tanks, and the reagents are injected into different reaction tanks by controlling the on-off of different solenoid valves. The solenoid valves are installed on the mounting surface of the valve plate, and the input ports and the output ports are directly connected to the second output holes and the third input holes, respectively. Different reaction tanks only need to be connected to the corresponding third output holes through a pipe, thereby further eliminating the connecting pipes between the solenoid valves and the reaction tanks, improving the reliability of the connection and reducing the maintenance difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The utility model discloses a structure schematic diagram of FISH equipment valve plate provided for the embodiment of the utility model.

[0019] Figure 2 The utility model discloses a structure schematic diagram of FISH equipment valve plate after connecting solenoid valve provided for the embodiment of the utility model.

[0020] Mark explanation:

[0021] 1, board body;12, main channel;12a, liquid inlet section;12b, convergence section;13, first input hole;14, connecting hole;15, reagent hole;16, processing hole;17, subchannel;18, output channel;19, second input hole;110, second output hole;111, third input hole;112, third output hole;113, liquid discharge channel;114, input channel;115, liquid discharge hole;116, fourth input hole;117, fourth output hole;118, fifth input hole;119, filter cavity;120, bolt hole;121, mounting hole;2, solenoid valve;3, pipeline joint;4, filter. Specific implementation

[0022] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the specification of the present application is only for the purpose of describing specific embodiments and is not intended to limit the present application.

[0024] It can be understood that spatial relationship terms such as "below", "under", "lower", "below", "on", "upper" and the like, can be used herein to describe the relationship of one element or feature to another element or feature as shown in the figures. It should be understood that, in addition to the orientation shown in the figures, the spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the figure is turned over, the element or feature described as "below" or "under" or "under" the other element will be oriented "on" the other element or feature. Therefore, the exemplary terms "below" and "under" can include both the upper and lower orientations. In addition, the device can also include another orientation (such as 90 degrees or other orientation), and the spatial description used herein is interpreted accordingly.

[0025] It should be noted that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or connected through an intermediate element. "Connected" in the following embodiments should be understood as "electrically connected", "communicatively connected" and the like if the circuits, modules, units and the like connected to each other have transmission of electrical signals or data.

[0026] As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. It should be understood that the term "comprises / consists of" or "has" specifies the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but does not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

[0027] Reference Figures 1-2 As shown, the FISH device valve plate provided by the embodiments of the present application includes a plate body 1 having a liquid path system inside, and the liquid path system includes a closed main channel 12. The plate body 1 is provided with a mounting surface for mounting a solenoid valve 2. The mounting surface is provided with a plurality of first input holes 13 and a plurality of connecting holes 14, and the number of the first input holes 13 and the connecting holes 14 is the same. The first input holes 13 are in communication with the main channel 12, and the connecting holes 14 correspond to the first input holes 13 one by one. One connecting hole 14 and one first input hole 13 are connected by one solenoid valve 2. The mounting surface is also provided with a first output hole in communication with the main channel 12, and the first output hole is used to connect with the input end of a liquid inlet pump of a reaction tank. At the same time, the side of the plate body 1 opposite to the mounting surface is provided with a plurality of reagent holes 15, and the number of the reagent holes 15 is the same as that of the connecting holes 14. The reagent holes 15 correspond to the connecting holes 14 one by one and are in communication. The reagent holes 15 are used to connect with reagent containers.

[0028] Through the above arrangement, the connecting holes 14 and the first input holes 13 are connected one by one by the solenoid valves 2, and the solenoid valves 2 control the on-off of the corresponding connecting holes 14 and first input holes 13. The reagent holes 15 can be connected with the reagent containers through pipe joints 3 and pipes. The plurality of reagent holes 15 correspond to a plurality of reagent containers. After the reagents in the reagent containers are output, they pass through the reagent holes 15, the connecting holes 14, the solenoid valves 2 and the first input holes 13, and then enter the main channel 12 and are output from the first output hole. The first output hole can be connected to the liquid inlet pump of the reaction tank through the pipe joints 3 and the pipes, and then the reagents are delivered to the reaction tank through the liquid inlet pump. Different reagents are input into the main channel 12 by controlling the on-off of different solenoid valves 2. The solenoid valves 2 are mounted on the mounting surface of the valve plate, and the input port and the output port are directly connected with the connecting holes 14 and the first input holes 13, respectively. The reaction tank only needs to be connected with the first output port through the pipes, so that a large number of connecting pipes between the valves and the reaction tank are saved, the reliability of the connection is improved, and the maintenance difficulty is reduced.

[0029] Referring to Figures 1-2 Specifically, the connecting hole 14 and the first input hole 13 and the main channel 12 are arranged with the same diameter, and the reagent hole 15 is arranged with a diameter larger than that of the connecting hole 14, and a pipe joint 3 is installed in the reagent hole 15, so that the reagent hole 15 is connected with the corresponding reagent container through the pipe joint 3. The first output hole is communicated with the main channel 12 through a first connecting channel with the same diameter as the main channel 12, and the diameter of the first output hole is larger than that of the first connecting channel, and a pipe joint 3 is also installed in the first output hole, which is connected with the liquid inlet pump through the pipe joint 3 and the pipe.

[0030] Referring to Figures 1-2 Further, the main channel 12 includes at least two liquid inlet sections 12a and a converging section 12b connecting the at least two liquid inlet sections 12a, the liquid inlet sections 12a extend along a first straight line direction parallel to the mounting surface, and the at least two liquid inlet sections 12a are spaced apart along a second straight line direction parallel to the mounting surface, the second straight line direction being perpendicular to the first straight line direction, the converging section 12b is communicated with the at least two converging sections 12b, and the first output hole is communicated with the converging section 12b. Wherein, each liquid inlet section 12a is communicated with at least one first input hole 13. In this embodiment, two liquid inlet sections 12a are provided, and each liquid inlet section 12a is communicated with five first input holes 13.

[0031] Referring to Figures 1-2 Specifically, the converging section 12b is arranged to extend along the second straight line direction, one end of the converging section 12b is a machining hole 16 coaxially communicated with the converging section 12b and penetrating the surface of the plate body 1, and both ends of the liquid inlet section 12a are machining holes 16 coaxially communicated with the liquid inlet section 12a and penetrating the surface of the plate body 1, the diameter of the machining hole 16 is larger than that of the main channel 12, the machining hole 16 facilitates machining of the liquid inlet section 12a and the converging section 12b in the plate body 1 to form the main channel 12, and after machining, a sealing plug is inserted into the machining hole 16 to seal the main channel 12.

[0032] Referring to Figures 1-2As shown, for the device provided with multiple reaction tanks, the valve plate and each reaction tank need to be further configured with electromagnetic valve 2 to control the opening and closing of the pipeline. In order to further reduce the connecting pipeline between the valve and the reaction tank, the liquid system further comprises a sub-channel 17 and at least one output channel 18 which are not connected to each other. The sub-channel 17 and the output channel 18 are both closed, and the second input hole 19 is provided on the mounting surface and is in communication with the sub-channel 17. The second input hole 19 is used to connect with the output end of the reaction tank liquid inlet pump. The mounting surface is also provided with a second output hole 110, a third input hole 111 and a third output hole 112. The number of the second output hole 110, the third input hole 111 and the third output hole 112 is the same as the number of the output channel 18. The second output hole 110 is in communication with the sub-channel 17. The second output hole 110 corresponds to the third input hole 111, and is suitable for connecting a corresponding second output hole 110 and a third output hole 112 through an electromagnetic valve 2. The third input hole 111 is in communication with the output channel 18 one by one, and the third output hole 112 is used to connect the liquid injection hole of the reaction tank.

[0033] Through the above arrangement, the second input hole 19 is connected with the input end of the reaction tank liquid inlet pump to input the reagent output from the main channel 12 into the sub-channel 17. The pipeline between the first output hole and the second input hole 19 is convenient for installing the liquid inlet pump and flow meter and other equipment. The second output hole 110 and the third input hole 111 correspond to each other and are connected through the electromagnetic valve 2, so as to control the opening and closing between the second output hole 110 and the third input hole 111 through the electromagnetic valve 2. The reagent output from the sub-channel 17 is input into the output channel 18 through the second output hole 110 and the third input hole 111, and is output to the reaction tank through the third output hole 112. Different third output holes 112 are connected to different reaction tanks, and the reagent is injected into different reaction tanks by controlling the opening and closing of different electromagnetic valves 2. The electromagnetic valve 2 is installed on the mounting surface of the valve plate, and the input port and the output port are directly in communication with the second output hole 110 and the third input hole 111, respectively. Different reaction tanks only need to be connected to the corresponding third output hole 112 through a pipeline, further saving the connecting pipeline between the electromagnetic valve 2 and the reaction tank, improving the reliability of the connection and reducing the difficulty of maintenance.

[0034] Referring to Figures 1-2 As shown, specifically, the diameters of the sub-channel 17, the output channel 18, the second output hole 110 and the third input hole 111 are the same as the diameter of the main channel 12. The diameters of the second input hole 19 and the third output hole 112 are the same as the diameter of the first output hole, and the same pipeline connector 3 is installed. The second input hole 19 is in communication with the sub-channel 17 through the second connecting channel, and the third output hole 112 is in communication with the output channel 18 through the second connecting channel. The diameter of the second connecting channel is the same as the diameter of the sub-channel 17.

[0035] Referring to Figures 1-2As shown, in this embodiment, two output channels 18 are provided. The auxiliary channel 17 extends along a first straight direction, and the output channel 18 extends along a second straight direction. One end of the auxiliary channel 17 is a machining hole 16 coaxially communicated with the auxiliary channel 17 and penetrating the surface of the plate body 1, and one end of the output channel 18 is a machining hole 16 coaxially communicated with the output channel 18 and penetrating the surface of the plate body 1. The machining holes 16 communicated with the output channel 18 and the machining holes 16 communicated with the converging section 12b of the main channel 12 are distributed on opposite sides of the plate body 1.

[0036] Referring to Figures 1-2 As shown, further, the liquid path system further includes a plurality of input channels 114 and a plurality of output channels 18. The input channels 114 and the output channels 18 are all closed, and the installation surface is provided with a plurality of input holes 116 and a plurality of output holes 117. The number of the input channels 114 is the same as the number of the output channels 18. The input holes 116 are in one-to-one correspondence with the input channels 114, and the output holes 117 are in one-to-one correspondence with the output channels 18. The installation surface is further provided with a plurality of fourth input holes 118 and a plurality of fifth input holes 119. The number of the fourth input holes 118 is the same as the number of the input channels 114, and the number of the fifth input holes 119 is the same as the number of the output channels 18. The fourth input holes 118 are in one-to-one correspondence with the fifth input holes 119. The installation surface is further provided with a plurality of liquid discharge holes 115. The number of the liquid discharge holes 115 is the same as the number of the auxiliary channels 17. The liquid discharge holes 115 are in one-to-one correspondence with the auxiliary channels 17. The installation surface is further provided with a plurality of sixth input holes 120 and a plurality of seventh input holes 121. The number of the sixth input holes 120 is the same as the number of the input channels 114, and the number of the seventh input holes 121 is the same as the number of the output channels 18. The sixth input holes 120 are in one-to-one correspondence with the seventh input holes 121. The installation surface is further provided with a plurality of liquid discharge holes 122. The number of the liquid discharge holes 122 is the same as the number of the auxiliary channels 17. The liquid discharge holes 122 are in one-to-one correspondence with the auxiliary channels 17.

[0037] Referring to Figures 1-2 As shown, the number of the input channels 114 is the same as the number of the output channels 18. The fourth input holes 116 are respectively connected to the liquid discharge holes 115 of the plurality of reaction tanks through pipelines. The reagents discharged from the reaction tanks are input into the input channels 114 through the fourth input holes 116. The reagents are input into the liquid discharge channel 113 through the input channels 114, the fourth output holes 117, the electromagnetic valves 2, and the fifth input holes 118, and are discharged into the waste liquid treatment equipment through the liquid discharge holes 115. The electromagnetic valves 2 are installed on the installation surface to directly connect the fourth output holes 117 and the fifth input holes 118, and to control the opening and closing of the fourth output holes 117 and the fifth input holes 118 through the electromagnetic valves 2. The reagents discharged from the corresponding reaction tanks are discharged into the waste liquid treatment equipment. This arrangement can further reduce the connecting pipelines between the electromagnetic valves 2 for controlling liquid discharge and the reaction tanks, so as to improve the reliability of the connection and reduce the difficulty of maintenance.

[0038] Referring to Figures 1-2As shown, in particular, the diameter of the liquid discharge channel 113, the input channel 114, the fourth output hole 117 and the fifth input hole 118 is set to be the same as the diameter of the main channel 12, the fourth input hole 116 and the liquid discharge hole 115 are set to have the same diameter as the first output hole and are also provided with the pipeline joint 3, the fourth input hole 116 is communicated with the input channel 114 through the third connecting channel, and the liquid discharge hole 115 is communicated with the liquid discharge channel 113 through the third connecting channel, and the diameter of the third connecting hole 14 is the same as the diameter of the liquid discharge channel 113.

[0039] Referring to Figures 1-2 As shown, in the embodiment, two input channels 114 are provided. The liquid discharge channel 113 extends along a first straight line direction, and the input channel 114 extends along a second straight line direction. One end of the liquid discharge channel 113 is a processing hole 16 coaxially communicated with the liquid discharge channel 113 and penetrating the surface of the plate body 1, and one end of the input channel 114 is a processing hole 16 coaxially communicated with the input channel 114 and penetrating the surface of the plate body 1. The processing hole 16 communicated with the input channel 114 and the processing hole 16 communicated with the output channel 18 are located on one side of the plate body 1, and the processing hole 16 communicated with the liquid discharge channel 113 and the processing hole 16 communicated with the auxiliary channel 17 are located on opposite sides of the plate body 1.

[0040] Referring to Figures 1-2 As shown, further, a plurality of filter cavities 119 corresponding to the number of the fourth output holes 117 are provided on the side of the plate body 1 opposite to the mounting surface. The filter cavities 119 are communicated with the fourth output holes 117 one by one, and the filter cavity 119 corresponding to one of the fourth output holes 117 is communicated with the fifth input hole 118. A filter 4 is installed in the filter cavity 119, and the reagent flows through the filter 4 when flowing from the input channel 114 to the fourth output hole 117. The filter cavity 119 is provided for installing the filter 4, and the reagent flows through the filter 4 when flowing from the input channel 114 to the fourth output hole 117, so that the waste liquid is preliminarily filtered for further treatment of the waste liquid.

[0041] Referring to Figure 1 As shown, in order to facilitate positioning and installation of the electromagnetic valve 2 and keep the state of communicating with the corresponding two holes when the electromagnetic valve 2 is installed on the mounting surface, bolt holes 120 for installing the electromagnetic valve 2 are provided on the mounting surface at the set positions. In order to facilitate installation of the valve plate at the set position or on the equipment, valve plate mounting holes 121 are provided on the mounting surface and the side of the plate body 1 where the processing hole 16 communicated with the converging section 12b is located.

[0042] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A FISH device valve plate, characterized by: The plate body (1) is internally provided with a liquid path system, the plate body (1) is provided with a mounting surface for mounting a solenoid valve (2), the liquid path system comprises a closed main channel (12), the mounting surface is provided with a plurality of first input holes (13) and a plurality of connecting holes (14) with the same number, the first input holes (13) are communicated with the main channel (12), the connecting holes (14) correspond to the first input holes (13) one by one, and one solenoid valve (2) is connected with a corresponding connecting hole (14) and a first input hole (13), the mounting surface is also provided with a first output hole communicated with the main channel (12), and the first output hole is used for being connected with an input end of a reaction tank liquid inlet pump. A plurality of reagent holes (15) with the same number as the connecting holes (14) are formed in the side surface of the plate body (1) opposite to the mounting surface, the reagent holes (15) are communicated with the connecting holes (14) one by one, and the reagent holes (15) are used for being connected with reagent containers.

2. The FISH apparatus valve plate of claim 1, wherein: The liquid path system further comprises a sub-channel (17) and at least one output channel (18) which are not communicated with each other, the sub-channel (17) and the output channel (18) are closed, the mounting surface is provided with a second input hole (19) communicated with the sub-channel (17), the second input hole (19) is used for being connected with an output end of a reaction tank liquid inlet pump, the mounting surface is also provided with a second output hole (110), a third input hole (111) and a third output hole (112), the number of the second output hole (110), the third input hole (111) and the third output hole (112) is the same as the number of the output channel (18), the second output hole (110) is communicated with the sub-channel (17), the second output hole (110) corresponds to the third output hole (112) one by one, and one solenoid valve (2) is connected with a corresponding second output hole (110) and a third output hole (112), the third input hole (111) is communicated with the output channel (18) one by one, and the third output hole (112) is used for being connected with a reaction tank liquid injection hole.

3. The FISH apparatus valve plate of claim 1 or 2, wherein: The liquid path system further comprises a liquid discharge channel (113) and at least one input channel (114) which are not communicated with each other, the liquid discharge channel (113) and the input channel (114) are closed, the mounting surface is provided with a liquid discharge hole (115) communicated with the liquid discharge channel (113), the liquid discharge hole (115) is used for connecting to a waste liquid treatment device, the mounting surface is further provided with a fourth input hole (116), a fourth output hole (117) and a fifth input hole (118), the number of the fourth input hole (116), the fourth output hole (117) and the fifth input hole (118) is the same as the number of the input channel (114), the fifth input hole (118) is communicated with the liquid discharge channel (113), the fourth output hole (117) corresponds to the fifth input hole (118) one by one, an electromagnetic valve (2) is connected to the corresponding fourth output hole (117) and the fifth input hole (118), the fourth input hole (116) is communicated with the input channel (114) one by one, and the fourth input hole (116) is used for connecting a reaction tank liquid discharge port.

4. The FISH apparatus valve plate of claim 3, wherein: The plate body (1) is provided with a filter cavity (119) on the side opposite to the mounting surface, the number of the filter cavity (119) is the same as the number of the fourth output hole (117), the filter cavity (119) is communicated with the fourth output hole (117) one by one, the filter cavity (119) corresponding to the fourth output hole (117) and the fifth input hole (118) are communicated with each other, a filter (4) is installed in the filter cavity (119), and the reagent passes through the filter (4) when flowing from the input channel (114) to the fourth output hole (117).

5. The FISH apparatus valve plate of claim 1, wherein: The diameter of the reagent hole (15) is larger than the diameter of the connecting hole (14), and a pipeline joint (3) is installed in the reagent hole (15).

6. The FISH apparatus valve plate of claim 1, wherein: The main channel (12) comprises at least two liquid inlet sections (12a) and a convergence section (12b) connecting the at least two liquid inlet sections (12a), the liquid inlet section (12a) extends along a first straight line direction parallel to the mounting surface, and at least two liquid inlet sections (12a) are distributed along a second straight line direction perpendicular to the mounting surface, the convergence section (12b) is communicated with at least two convergence sections (12b), and the first output hole is communicated with the convergence section (12b).

7. The FISH apparatus valve plate of claim 1, wherein: The mounting surface is provided with a bolt hole (120) for installing an electromagnetic valve (2).

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