CN218797655U - Spray head with closely-arranged holes, spray device and spray control system - Google Patents

Abstract

The application discloses a spray head with closely-arranged holes, a spray device and a spray control system, which belong to the technical field of biological sample cleaning, wherein the spray head comprises a spray head main body, a mounting part, a spray hole and a liquid inlet interface tube; the spraying device comprises a spraying adjusting mechanism for installing the spray head, a liquid inlet control mechanism for feeding liquid into the spray head and a sample placing mechanism for placing the glass slide; the spraying adjusting mechanism comprises a mounting platform, a first telescopic rod and a sliding support; the liquid inlet control mechanism comprises a cleaning reagent box, an electromagnetic valve and a pressure pump; the sample placing mechanism comprises a supporting table and a sample table, and the sample table is provided with a sample groove; the spray head, the liquid inlet control mechanism and the controller form a spray control system. The multi-degree-of-freedom spray head cleaning device is convenient to install, can adjust multiple degrees of freedom of the spray head, can achieve multiple cleaning modes such as sector scanning, assembly line cleaning and intermittent cleaning, and is wide in application range and high in cleaning efficiency.

Description

Spray head with dense holes, spray device and spray control system

Technical Field

The application relates to the field of biological sample cleaning technology, in particular to a spray head with dense holes, a spray device and a spray control system.

Background

Immunohistochemistry is a technique of staining tissues or cells on a slide glass, by which the state of the tissues and cells in a sample can be observed under a microscope for diagnosis of a disease.

Generally, immunohistochemical staining requires multiple reagents to gradually react on a sample to achieve staining of the sample, and in order to ensure smooth proceeding of each reaction reagent, redundant reagents after current reaction need to be removed through a cleaning step among each reaction reagent to ensure that reagents in the next step can normally react with detected tissues, so that staining quality is ensured.

The current manual dyeing process usually adopts an intermediate reagent (buffer solution for example) to wash the reaction reagent, adopts the mode of empting the buffer solution to get rid of the unnecessary reaction reagent of current step, can guarantee the sanitization, but the reagent volume of consuming is very big, and the process of empting rivers dynamics can not be controlled in addition, often directly spatters the reaction zone, may destroy or wash away the tissue or the cell of awaiting measuring.

And the other dyeing process for automatically realizing immunohistochemistry through an instrument, for example, in the prior art, the removal of a sample reaction reagent (including an intermediate reagent used in a washing step) is realized by laminar flow replacement, specifically, a mode of adding liquid from one side and drawing liquid from one side is adopted, so that a fluid automatically flows by means of capillary force or gravity along a slope, the flow rate is slow, the washing needs to be repeated for multiple times, the consumed reagent amount is small, but the washing of the reaction reagent is not thorough, and the residual reaction reagent causes the quality reduction of a dyeing result. This may be because the fluid flow rate is too slow to adequately exchange liquid in a short time.

Therefore, the conventional glass slide cleaning equipment and cleaning method are too simple, the cleaning efficiency is low or the sample loss rate is high, the cleaning angle adjustment of the glass slide is not facilitated, and urgent improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient problem of slide glass washing shower nozzle adjustment, this application provides a shower nozzle and spray set and spray control system with dense hole.

The following technical scheme is adopted specifically:

the utility model provides a shower nozzle with close row hole, includes shower nozzle main part and installation department, and the installation department is equipped with at least one bar hole, and the shower nozzle main part is equipped with jet orifice and feed liquor mouth-piece, and shower nozzle main part surface is equipped with the jet orifice that at least one row of equidistance distributes.

Specifically, one side of the spray head body, which is far away from the installation part, is provided with a densely-arranged hole structure, one side of the spray head body, which is far away from the installation part, is provided with a chamfered surface, at least one row of spray holes which are distributed at equal intervals are arranged on the chamfered surface, two symmetrical side surfaces of the spray head body are respectively provided with a machining hole for drilling, reaming and scrap cleaning of an inner cavity of the spray head body, and the machining holes are hermetically sleeved with plugs.

By adopting the technical scheme, the spray head with the densely arranged holes can carry out line spray on the sample, and a plurality of specific parallel beam-shaped cleaning fluids can be generated by setting the aperture and the interval of the spray holes.

The application also provides a spraying device which comprises a spraying adjusting mechanism for mounting the spray head, a liquid inlet control mechanism for feeding liquid into the spray head and a sample placing mechanism for placing a glass slide;

the spraying adjusting mechanism comprises a mounting platform and a sliding support, a cushion block is arranged between the mounting part and the mounting platform in a padding mode, at least one strip-shaped hole is formed in each of the mounting part, the cushion block and the mounting platform, at least two long screws penetrate through the strip-shaped hole of any one mounting part and the strip-shaped hole of the cushion block, and at least two long screws penetrate through the strip-shaped hole of any one cushion block and the strip-shaped hole of the mounting platform; the bottom surface of the mounting platform is hinged with at least three first telescopic rods, the bottom ends of the first telescopic rods are connected to the top surface of the sliding support, an experiment platform is arranged below the sliding support, and the experiment platform is provided with a sliding chute matched with the sliding support;

the liquid inlet control mechanism comprises a cleaning reagent box, an electromagnetic valve and a pressure pump, the cleaning reagent box is arranged on the upper surface of the experiment platform, the bottom of one side wall of the cleaning reagent box is connected with a water outlet pipe, one end of the water outlet pipe, which is far away from the cleaning reagent box, is in sealed sleeve joint with a liquid inlet interface pipe, and the water outlet pipe is also provided with the electromagnetic valve; the top surface of the cleaning reagent box is communicated with an air inlet pipe, and one end of the air inlet pipe, which is far away from the cleaning reagent box, is communicated with a pressure pump;

the sample placing mechanism comprises a supporting table and a sample table, the supporting table is arranged on the upper surface of the experiment platform, a second telescopic rod is hinged to the bottom surface of the sample table, one end, away from the sample table, of the second telescopic rod is connected to the surface of the supporting table, a water receiving groove is further formed in the upper surface of the supporting table, and the length direction of the water receiving groove is parallel to the length direction of the screw rod; the upper surface of the sample table is provided with a sample groove, the inner side wall of the sample groove is provided with building bars, and every four building bars form a station for placing a glass slide; the side that the sample platform is close to the shower nozzle and the side of keeping away from the shower nozzle are the inclined plane of symmetry, and water drainage tank has been seted up to two inclined planes equidistance respectively, water drainage tank one end and sample groove intercommunication, are equipped with the water receiving tank under the water drainage tank other end export for discharge the ponding in the sample groove and collect by the water receiving tank.

By adopting the technical scheme, the spraying adjusting mechanism respectively enables the three groups of strip-shaped holes to correspond, and the strip-shaped holes on the mounting platform are longer in length, so that the mounting part can be horizontally moved along the two ends of a straight line at the position of the mounting platform; the spray head can be axially translated through the sliding of the sliding support, so that a plurality of samples can be cleaned in a production line manner; the penetration of the three groups of strip-shaped holes is completed through at least two long screw rods, so that the longitudinal installation position of the spray head can be adjusted; the height and the injection angle of the spray head can be adjusted through the first telescopic rod;

the liquid inlet control mechanism is characterized in that a liquid level sensor is arranged in the cleaning reagent box, a liquid adding pipe is connected outside the cleaning reagent box, water is immediately supplemented from the liquid adding pipe when the liquid level is lower than the lowest warning line, water supplementation is immediately stopped when the liquid level is higher than the highest warning line, and water level control of the cleaning reagent box can be realized; the pressure pump is used for loading air pressure above the cleaning reagent box, the flow and impact pressure of the spray head are controlled through the pressure pump, and the spray head can be driven to spray low-speed water flow by opening the electromagnetic valve only under the air pressure of 0.2-0.4MPa at low speed.

It should be noted that the sample placing mechanism of the present application is also an adjustable mechanism, and the height and the deflection angle of the slide glass in the sample tank can be adjusted by the second telescopic rod, so that the included angle between the fluid ejected from the nozzle and the surface of the slide glass can be better controlled, and the inclined ejection can be realized.

Preferably, anti-skid gaskets are respectively arranged above the mounting part, between the mounting part and the cushion block and between the cushion block and the mounting platform.

Through adopting above-mentioned technical scheme, make the fastening connection between installation department, cushion and the mounting platform three to when making the mounting platform slope, the shower nozzle slopes thereupon.

Preferably, the bottom surface of the mounting platform is provided with a first hinged frame, any first telescopic rod comprises a movable rod part at the upper part and a fixed cylinder part at the lower part, the fixed cylinder part is sleeved with the movable rod part, the top end of the movable rod part is provided with a flat rod section, the flat rod section is rotatably connected in the first hinged frame through a rivet, and the rotatable surfaces of the first hinged frames are parallel to each other.

Through adopting above-mentioned technical scheme, first telescopic link is preferred to be electric putter, through the setting that turns to of each first articulated frame, makes the shower nozzle only have the rotation of a degree of freedom, controls the flexible of each first telescopic link, if control is close to the reciprocal flexible of a row of first telescopic link of slide, control keeps away from the slide, can make the shower nozzle periodic rotation, forms a sector and washs the face to scan the slide surface and wash.

Preferably, the sliding support bottom surface is equipped with type of falling T stabilizer blade, type of falling T stabilizer blade and spout sliding fit, and the sliding support side is equipped with screw and screw-thread fit has the lead screw, and lead screw one end is connected with driving motor, and the lead screw other end cross-under has the bearing frame, and the lead screw both ends all are equipped with smooth section, and the smooth section of one end passes through the shaft coupling and is connected with driving motor initiative shaft, and the smooth section cross-under of the other end is in the dead eye of bearing frame.

By adopting the technical scheme, the linear translation driving mechanism is formed to drive the spray head to translate, so that the batch samples can be cleaned in a production line manner.

Preferably, any one second telescopic rod comprises a movable rod part at the upper part and a fixed cylinder part at the lower part, the fixed cylinder part is sleeved with the movable rod part, a second hinged frame is arranged on the bottom surface of the sample table, a flat rod section is arranged at the top end of the movable rod part of the second telescopic rod and is rotatably connected in the second hinged frame through a rivet, and the rotating surfaces of the second hinged frames are parallel to each other.

By adopting the technical scheme, the sample table can only rotate with one degree of freedom, and the height and the inclination angle of the glass slide can be adjusted by controlling each second telescopic rod, so that the height difference between the spray head and the glass slide can be adjusted.

Preferably, the two non-inclined side walls of the sample platform are symmetrically provided with fixed pins, the two fixed pins positioned at the two sides of the sample platform are fixedly connected with a binding band, two ends of the binding band are respectively provided with a pull ring, the pull rings are sleeved outside the fixed pins and blocked by the cap heads of the fixed pins, and the binding bands are elastic ropes; the binding band covers the edge of the surface of the glass slide.

Through adopting above-mentioned technical scheme, it is fixed with the slide glass through building a stripe and bandage, during the washing, can only set up the slide glass at the edge portion that the slide glass surface is close to shower nozzle one side, avoid causing to block the waste liquid that washs the sample outflow.

Preferably, the electromagnetic valve is a high-speed switch valve, and is used for switching the water outlet pipe at a high speed.

By adopting the technical scheme, the nozzle forms intermittent injection through the opening time and the stop time of the electromagnetic valve, so that the aim of saving water is fulfilled.

The application still provides the control shower nozzle spray control system, including aforementioned shower nozzle and feed liquor control mechanism and controller, the controller setting is on wasing the reagent case.

By adopting the technical scheme, the control system controls the pressure and the switch of the booster pump and the high-speed switch of the electromagnetic valve, and meanwhile, the cleaning reagent box provides liquid level feedback for the control system to remind the user of adding liquid in time; the pressurizing pump provides pressure feedback for the control system to remind the user to add gas in time so as to control the spraying pressure of the cleaning reagent; the cleaning reagent with pressure forms jet flow through the spray head, and the cleaning reagent can generate the jet flow from the spray head intermittently through a high-speed switch of a high-speed valve.

For the convenience of automated control, the chip of controller be equipped with respectively with the force (forcing) pump, the solenoid valve, driving motor, first telescopic link and second telescopic link electric connection's pin line, the flow and the impact pressure of the pressure control shower nozzle of controller through the force (forcing) pump, the switching frequency and the intermittent type time control shower nozzle intermittent type that pass through the solenoid valve spray rhythm, control shower nozzle moving direction and displacement scanning speed through driving motor, inclination and the angle scanning mode through first telescopic link control shower nozzle, through second telescopic link adjustment sample surface inclination.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the method comprises the steps that firstly, a spray head is constructed, a spray device is arranged for installing and using the spray head, the installation position of the spray head is adjustable through a spray adjusting mechanism, the height and the spray angle of the spray head can be adjusted through a first telescopic rod, the height and the deflection angle of a glass slide in a sample groove can be adjusted through a second telescopic rod, the height and the deflection angle of the glass slide can be controlled through the cooperation of the first telescopic rod and the second telescopic rod, the spray angle of the spray head can be controlled, and the spray head can move linearly through a linear driving mechanism so as to complete assembly line scanning;

2. the application of shower nozzle and feed liquor control mechanism and controller constitute and spray control system, and the cleaning agent that has pressure passes through the shower nozzle and forms the efflux, through the high-speed change over switch of high-speed valve, realizes that cleaning agent can produce the efflux in order to intermittent type follow the shower nozzle.

3. The multi-degree-of-freedom spray head cleaning device is convenient to install, can adjust multiple degrees of freedom of the spray head, can achieve multiple cleaning modes such as sector scanning, assembly line cleaning and intermittent cleaning, and is wide in application range and high in cleaning efficiency.

Drawings

FIG. 1 is a perspective view of a spray head as set forth in the present application;

fig. 2 is a perspective view of the spray device proposed in the present application;

fig. 3 is a top view of the spray device proposed in the present application;

FIG. 4 is a side view of the spray assembly set forth herein;

fig. 5 is a perspective view of a spray adjustment mechanism in the spray device proposed in the present application;

fig. 6 is a block diagram of a spray control system according to the present application.

Description of the reference numerals: 101. a nozzle body; 102. an installation part; 103. a strip-shaped hole; 104. a long screw; 105. an injection hole; 106. a liquid inlet joint pipe; 107. a plug; 2. mounting a platform; 3. a sliding support; 31. a chute; 32. an inverted T-shaped leg; 33. a screw rod; 34. a drive motor; 35. a bearing seat; 4. cushion blocks; 41. a gasket; 5. a first telescopic rod; 51. a first hinge frame; 6. an experiment platform; 7. cleaning the reagent box; 71. a water outlet pipe; 72. an electromagnetic valve; 73. an air inlet pipe; 8. a pressure pump; 9. a support table; 10. a sample stage; 11. a second telescopic rod; 111. a second hinge frame; 12. a sample tank; 13. a water discharge tank; 14. a water receiving tank; 15. a fixing pin; 16. binding bands; 17. a pull ring; 18. building a bar; 19. a glass slide; 20. and a controller.

Detailed Description

The present application is described in further detail below with reference to fig. 1-5.

Example 1

The embodiment provides a method for processing a nozzle with closely-arranged holes, which comprises the following steps:

the processing idea is as follows: the nozzle body 101 is a pentagonal columnar cavity structure formed by sequentially enclosing a top surface, a front surface, a chamfered surface, a bottom surface and a back surface, two end surfaces of the pentagonal columnar cavity structure are respectively provided with a processing hole, and after the processing is finished, the pentagonal columnar cavity structure is blocked by a plug 107 to ensure sealing.

The processing process comprises the following steps:

1. during processing, a square column material is cut into a chamfer surface through cutting and polishing, and the angle of the chamfer surface is designed in advance;

2. drilling and reaming from two ends of the square column material to form a cavity, tapping on the machined hole wall to form a thread, and forming a counter bore structure in the machined hole for placing the cap body part of the plug 107;

3. drilling jet holes 105 on the chamfered surface, wherein one or more rows of jet holes 105 can be machined according to requirements;

4. drilling a hole in the center of the top surface, and fixedly installing a welded or glued liquid inlet interface tube 106;

5. the mounting portion 102 is fixed to the rear surface.

By adopting the technical scheme, the close-packed spray head can carry out line injection on the sample, a plurality of specific parallel beam-shaped cleaning fluids can be generated by setting the aperture and the interval of the injection holes 105, and after the fluids contact the surface of the sample such as glass, the fluids generate scattering, sputtering and confluence, so that the waterfall-shaped fluids are easily formed, and the surface cleaning method is provided.

Example 2:

mounting structure of the head and the slide glass 19:

referring to fig. 1, the spraying device comprises a spraying adjusting mechanism for installing a spray head, a liquid inlet control mechanism for liquid inlet of the spray head and a sample placing mechanism for placing a glass slide 19;

the spraying adjusting mechanism comprises a mounting platform 2 and a sliding support 3, a cushion block 4 is arranged between a mounting part 102 and the mounting platform 2 in a padding mode, the mounting part 102, the cushion block 4 and the mounting platform 2 are respectively provided with at least one strip-shaped hole 103, at least two long screws 104 penetrate through the strip-shaped hole 103 of any one mounting part 102 and the strip-shaped hole 103 of the cushion block 4, and at least two long screws 104 penetrate through the strip-shaped hole 103 of any one cushion block 4 and the strip-shaped hole 103 of the mounting platform 2; the bottom surface of the mounting platform 2 is hinged with at least three first telescopic rods 5, the bottom ends of the first telescopic rods 5 are connected to the top surface of the sliding support 3, an experiment platform 6 is arranged below the sliding support 3, and the experiment platform 6 is provided with a sliding chute 31 matched with the sliding support 3;

the liquid inlet control mechanism comprises a cleaning reagent box 7, an electromagnetic valve 72 and a pressure pump 8, the cleaning reagent box 7 is arranged on the upper surface of the experiment platform 6, the bottom of one side wall of the cleaning reagent box 7 is connected with a water outlet pipe 71, one end of the water outlet pipe 71, which is far away from the cleaning reagent box 7, is hermetically sleeved with a liquid inlet interface tube 106, and the water outlet pipe 71 is also provided with the electromagnetic valve 72; an air inlet pipe 73 is communicated with the top surface of the cleaning reagent box 7, and one end of the air inlet pipe 73, which is far away from the cleaning reagent box 7, is communicated with the pressure pump 8;

the sample placing mechanism comprises a supporting platform 9 and a sample table 10, the supporting platform 9 is arranged on the upper surface of the experiment platform 6, a second telescopic rod 11 is hinged to the bottom surface of the sample table 10, one end, far away from the sample table 10, of the second telescopic rod 11 is connected to the surface of the supporting platform 9, a water receiving groove 14 is further formed in the upper surface of the supporting platform 9, and the length direction of the water receiving groove is parallel to the length direction of the screw rod 33; a sample groove 12 is formed in the upper surface of the sample table 10, building strips 18 are arranged on the inner side wall of the sample groove 12, and a station for placing a glass slide 19 is formed by every four building strips 18; a side face, close to the spray head, of the sample table 10 and a side face, far away from the spray head, of the sample table are symmetrical inclined planes, water draining grooves 13 are formed in the two inclined planes at equal intervals respectively, one ends of the water draining grooves 13 are communicated with the sample groove 12, and a water receiving groove 14 is arranged right below an outlet at the other end of the water draining grooves 13 and used for discharging accumulated water in the sample groove 12 and collecting the accumulated water by the water receiving groove 14.

During installation, the glass slide 19 is arranged, the cushion block 4 and the spray head are limited together through one long screw 104, the cushion block 4 is limited in the strip-shaped holes 103 of the installation platform 2 through the other long screw 104, the position of the spray head is adjusted according to the horizontal distance requirement between the spray head and the glass slide 19, the two long screws 104 are fastened, whether the number of the long screws 104 is increased or not is considered according to the position of the spray head, which strip-shaped holes 103 the long screws 104 penetrate is adjusted, and the spray head, the cushion block 4 and the installation platform 2 are completely fastened together, so that installation is completed.

Referring to fig. 4, anti-slip pads 41 are respectively disposed above the mounting portion 102, between the mounting portion 102 and the pad 4, and between the pad 4 and the mounting platform 2, so as to further fasten the three.

In order to prevent the slide glass 19 from shifting during washing, referring to fig. 1-3, fixing pins 15 are symmetrically arranged on two non-inclined side walls of a sample platform 10, two fixing pins 15 positioned on two sides of the sample platform 10 are fixedly connected with binding bands 16, two ends of each binding band 16 are respectively provided with a pull ring 17, each pull ring 17 is sleeved outside each fixing pin 15 and is blocked by a cap head of each fixing pin 15, and each binding band 16 is an elastic rope; the binding band 16 covers the edge portion of the surface of the slide glass 19. The glass slide 19 is fixed through the building strips 18 and the binding bands 16, and during cleaning, the glass slide 19 can be arranged on the edge part of the surface of the glass slide 19 close to one side of the spray head, so that waste liquid flowing out of a cleaning sample is prevented from being blocked.

Example 3:

sector scanning and cleaning of the slide 19:

before cleaning, the height and the injection angle of the sprayer can be adjusted by preferentially using the first telescopic rods 5, and the height and the inclination angle of the glass slide 19 are adjusted by controlling the second telescopic rods 11, so that the height difference between the sprayer and the glass slide 19 is adjusted, and the basic included angle between the jet fluid of the sprayer and the surface of the glass slide 19 is controlled.

The spray head is controlled to move by the driving motor 34, so that the spray head corresponds to the position of the glass slide 19, the row of first telescopic rods 5 close to the glass slide 19 is controlled to be immobile, and the row of first telescopic rods 5 far away from the glass slide 19 is controlled to extend and retract back and forth, so that the spray head can periodically rotate to form a sector cleaning surface, and the surface of the glass slide 19 is scanned and cleaned.

Example 4:

the assembly line type cleaning mode of the slide glass 19:

referring to fig. 1-3, a linear translation driving mechanism is disposed on the sliding support 3 to drive the nozzle to translate, so that the batch samples can be cleaned in a pipeline manner. 3 bottom surfaces of sliding support are equipped with type of falling T stabilizer blade 32, type of falling T stabilizer blade 32 and spout 31 sliding fit, 3 sides of sliding support are equipped with screw and screw-thread fit have lead screw 33, lead screw 33 one end is connected with driving motor 34, lead screw 33 other end cross-under has bearing frame 35, the lead screw 33 both ends all are equipped with smooth section, the smooth section of one end is passed through the shaft coupling and is connected with driving motor 34 driving shaft, the smooth section cross-under of the other end is in the dead eye of bearing frame 35. The nozzle can be enabled to move horizontally along the axial direction and the sliding direction in parallel by sliding the sliding support 3, so that a plurality of samples can be cleaned in a production line manner, the cleaning positions of the glass slides 19 are the same, and the cleaning force and the cleaning angle of each sample are basically the same, which is an effect that the prior art can not achieve.

Example 5:

intermittent cleaning mode of the slide glass 19:

in order to control the intermittent frequency of the injection, the electromagnetic valve 72 is a high-speed switch valve, and is used for switching the water outlet pipe 71 at a high speed, and the nozzle forms intermittent injection through the opening time and the stopping time of the electromagnetic valve 72, so that the purpose of saving water is achieved.

In order to realize automatic control, a controller 20 is further arranged above the cleaning reagent box 7, and the spray head, the liquid inlet control mechanism and the controller 20 form a spray control system. The controller 20 controls the pressure and the switch of the pressure pump 8 and the high-speed switch of the electromagnetic valve 72, and meanwhile, the cleaning reagent box 7 provides liquid level feedback for the control system to remind the user of adding liquid in time; the pressure pump 8 provides pressure feedback for the control system to remind the user to add gas in time so as to control the injection pressure of the cleaning reagent; the cleaning reagent with pressure forms jet flow through the spray head, and the cleaning reagent can generate the jet flow from the spray head intermittently through a high-speed switch of the high-speed valve.

In order to further facilitate automatic control, the chip of the controller 20 is respectively provided with a pin line electrically connected with the pressure pump 8, the electromagnetic valve 72, the driving motor 34, the first telescopic rod 5 and the second telescopic rod 11, the controller controls the flow rate and the impact pressure of the spray head through the pressure of the pressure pump 8, the intermittent spraying rhythm of the spray head is controlled through the switching frequency and the intermittent time of the electromagnetic valve 72, the moving direction and the displacement scanning speed of the spray head are controlled through the driving motor 34, the inclination angle and the angle scanning mode of the spray head are controlled through the first telescopic rod 5, and the inclination angle of the surface of the sample is adjusted through the second telescopic rod 11.

The above are merely preferred embodiments of the present application, and the scope of the present application is not limited thereby. All the technical solutions made by equivalent changes according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims (9)

1. The utility model provides a shower nozzle with closely arranged hole, includes shower nozzle main part (101) and installation department (102), its characterized in that: installation department (102) are equipped with at least one bar hole (103), shower nozzle main part (101) are equipped with injection hole (105) and liquid inlet interface tube (106), shower nozzle main part (101) surface is equipped with at least one row of equidistance and distributes injection hole (105).

2. Spray set, its characterized in that: comprises a spray adjusting mechanism for installing the spray head of claim 1, a liquid inlet control mechanism for feeding liquid into the spray head of claim 1 and a sample placing mechanism for placing a glass slide (19);

the spraying adjusting mechanism comprises a mounting platform (2) and a sliding support (3), a cushion block (4) is arranged between the mounting part (102) and the mounting platform (2) in a cushioning mode, the cushion block (4) and the mounting platform (2) are also respectively provided with at least one strip-shaped hole (103), and a long screw rod (104) is connected with the mounting part (102), the cushion block (4) and the strip-shaped hole (103) of the mounting platform (2) in a penetrating mode; at least three first telescopic rods (5) are hinged to the bottom surface of the mounting platform (2), the bottom ends of the first telescopic rods (5) are connected to the top surface of the sliding support (3), an experiment platform (6) is arranged below the sliding support (3), and the experiment platform (6) is provided with a sliding groove (31) matched with the sliding support (3);

the liquid inlet control mechanism comprises a cleaning reagent box (7), an electromagnetic valve (72) and a pressure pump (8), wherein a water outlet pipe (71) is connected to the bottom of one side wall of the cleaning reagent box (7), one end, far away from the cleaning reagent box (7), of the water outlet pipe (71) is in sealed sleeve joint with a liquid inlet interface pipe (106), and the electromagnetic valve (72) is arranged on the water outlet pipe (71); the top surface of the cleaning reagent box (7) is communicated with an air inlet pipe (73), and one end, far away from the cleaning reagent box (7), of the air inlet pipe (73) is communicated with a pressure pump (8);

the sample placing mechanism comprises a supporting table (9) and a sample table (10), a second telescopic rod (11) is hinged to the bottom surface of the sample table (10), one end, far away from the sample table (10), of the second telescopic rod (11) is connected to the surface of the supporting table (9), and a water receiving groove (14) is formed in the upper surface of the supporting table (9); the upper surface of the sample table (10) is provided with a sample groove (12), the inner side wall of the sample groove (12) is provided with building bars (18), and every four building bars (18) form a station for placing glass slides (19); drainage grooves (13) are respectively arranged on two sides of the sample groove (12) at equal intervals.

3. The spray device of claim 2, wherein: and anti-skid gaskets (41) are respectively arranged above the mounting part (102), between the mounting part (102) and the cushion block (4) and between the cushion block (4) and the mounting platform (2).

4. The spray device of claim 2, wherein: the bottom surface of the mounting platform (2) is provided with a first hinged frame (51), and the top end of any first telescopic rod (5) is rotatably connected into the first hinged frame (51) through a rivet.

5. The spray assembly of claim 2, wherein: the bottom surface of the sliding support (3) is provided with an inverted T-shaped support leg (32) in sliding fit with the sliding groove (31), the side surface of the sliding support (3) is in threaded fit with a screw rod (33), one end of the screw rod (33) is connected with a driving motor (34), and the other end of the screw rod (33) is connected with a bearing seat (35) in a penetrating manner.

6. The spray assembly of claim 2, wherein: the bottom surface of the sample table (10) is provided with a second hinged frame (111), and the top end of the second telescopic rod (11) is rotatably connected to the second hinged frame (111) through a rivet.

7. The spray assembly of claim 2, wherein: the fixing device is characterized in that fixing pins (15) are symmetrically arranged on two side walls of the sample table (10), two fixing pins (15) located on two sides of the sample table (10) are fixedly connected with binding bands (16), two ends of each binding band (16) are sleeved outside the corresponding fixing pin (15) through pull rings (17), and the binding bands (16) cover the edge portions of the surface of the glass slide (19).

8. The spray assembly of claim 2, wherein: the electromagnetic valve (72) is a high-speed switch valve.

9. A spray control system comprising the spray head of claim 2 and a liquid inlet control mechanism, wherein: the device is characterized by further comprising a controller (20), wherein a chip arranged in the controller (20) is respectively provided with a lead wire which is electrically connected with the pressure pump (8), the electromagnetic valve (72), the driving motor (34), the first telescopic rod (5) and the second telescopic rod (11).

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