CN211027365U - Cleaning station - Google Patents

Abstract

A cleaning station comprising: the cleaning station comprises a cleaning station body, a first cleaning hole arranged in the cleaning station body, a first cleaning head arranged corresponding to the first cleaning hole, and a waste liquid outlet arranged corresponding to the first cleaning hole and communicated with the first cleaning hole, wherein the first cleaning head is arranged in pairs relative to the first cleaning hole, and the water outlet of the first cleaning head is arranged on the side surface of the first cleaning hole; according to the cleaning station, the pieces to be cleaned extending into the first cleaning holes are cleaned through the first cleaning heads arranged in pairs, double water columns are formed by the first cleaning heads arranged in pairs, and the pieces to be cleaned are cleaned externally, so that the phenomenon that when a single water column is cleaned externally, an eddy gap is generated on one side, back to the water column, of the pieces to be cleaned, and the outer wall of the pieces to be cleaned cannot be washed cleanly, so that carrying pollution is caused is avoided; and the first cleaning heads arranged in pairs form double water columns to wrap and clean the part to be cleaned, so that the outer wall of the part to be cleaned is comprehensively cleaned, and the cleaning effect is improved.

Description

Cleaning station

Technical Field

The utility model belongs to the field of medical equipment, in particular to a cleaning station for cleaning a sample needle or a liquid taking needle or a liquid drawing needle and the like.

Background

In the current full-automatic chemiluminescence apparatus, the sampling needle needs to be cleaned inside and outside after the sample is added, the internal cleaning mainly avoids the interference of the sample on the next test caused by the residue of the inner wall of the needle, and the external cleaning mainly cleans the residue of the outer wall of the needle caused by trace liquid hanging or adsorption. At present, the requirement of carrying pollution rate in the industry is continuously improved, and the carrying rate of 0.1ppm needs to be achieved. In addition, on the premise of avoiding carrying pollution, the industry also puts higher demands on the water consumption of the instrument, and how to realize efficient cleaning under the condition of consuming less cleaning liquid becomes a problem which needs to be solved urgently.

Disclosure of Invention

In view of the above, there is a need for a cleaning station that improves cleaning performance.

A cleaning station, comprising: the cleaning station comprises a cleaning station body, a first cleaning hole in the cleaning station body, a first cleaning head correspondingly arranged in the first cleaning hole, and a waste liquid outlet correspondingly arranged in the first cleaning hole, wherein the first cleaning head is opposite to the first cleaning hole in pair, a water outlet of the first cleaning head is formed in the side surface of the first cleaning hole, the first cleaning hole is of a through hole structure and leads to the waste liquid outlet, and the first cleaning head is of a bent pipe structure.

In a preferred embodiment, the first cleaning heads arranged in pairs are arranged symmetrically with respect to the first cleaning aperture.

In a preferred embodiment, the first cleaning heads are obliquely arranged relative to the first cleaning holes, the paired first cleaning heads are connected to the same cleaning pump system, and the system is divided into two paths with equal length at the tail end or the tail end of the pipeline and respectively connected to the two paired first cleaning heads.

In a preferred embodiment, the first cleaning heads are bent to form a water inlet section and a water outlet section, the axis or the center line of the water inlet section or the water outlet section forms 50-60 degrees with the vertical direction or the needle insertion direction of the piece to be cleaned, and the two first cleaning heads which are arranged in pairs are symmetrically arranged relative to the central axis of the first cleaning hole.

In a preferred embodiment, the axis or the center line of the water outlet section of the first cleaning head forms 55 degrees with the vertical direction or the needle inserting direction of the piece to be cleaned, a step structure is arranged on the outer wall of the water inlet section or the water outlet section of the first cleaning head, the water inlet section and the water outlet section of the first cleaning head are arranged at a right angle or a nearly right angle, and the connection or transition of the water inlet section and the water outlet section adopts circular arc smooth transition.

In a preferred embodiment, the inner diameter of the water outlet of the first cleaning head is 0.15-0.25mm larger than the diameter of the tip or the head of the piece to be cleaned or the body to be cleaned.

In a preferred embodiment, the outlet inner diameter of the first cleaning head is 0.2mm larger than the diameter of the tip or the head or the body to be cleaned of the member to be cleaned, and the outlet water flow centers of the two first cleaning heads arranged in pairs meet at the central axis of the cleaning hole or the central axis of the member to be cleaned.

In a preferred embodiment, further comprising: the second cleaning hole of setting in the cleaning station body reaches with the corresponding second cleaning head that sets up in second cleaning hole, the delivery port setting of second cleaning head is in second cleaning hole side, the second cleaning hole includes: the cleaning cavity and the drain hole are arranged in parallel or side by side, the cleaning cavity and the drain hole are communicated with each other at the upper part of the second cleaning hole through a step surface or a partition lower than the upper end surface of the cleaning station body or the upper end surface of the needle inserting hole of the second cleaning hole, the second cleaning head and the cleaning cavity are correspondingly arranged, and the drain hole is of a through hole structure and leads to the waste liquid outlet.

In a preferred embodiment, the second cleaning head is bent to form a water inlet section and a water outlet section, the axis or the center line of the water inlet section or the water outlet section forms 50-60 degrees with the vertical direction or the needle inserting direction of the piece to be cleaned, and the water outlet inner diameter of the first cleaning head is 0.15-0.25mm larger than the needle point or the needle body diameter of the piece to be cleaned; the drain hole of the second cleaning hole and the first cleaning hole lead to the same waste liquid outlet, and the sectional area of the waste liquid outlet is larger than the sum of the sectional areas of the drain hole of the second cleaning hole and the drain hole of the first cleaning hole, or the sectional area of the waste liquid outlet is larger than the sum of the sectional areas of the first cleaning hole and the second cleaning hole.

In a preferred embodiment, further comprising: the control system is used for controlling cleaning, the waste liquid pump system is arranged corresponding to the waste liquid outlet and is used for controlling the liquid at the waste liquid outlet to be pumped away, and the water outlet speed of the first cleaning head is 1-2 ml/s; when cleaning, the part to be cleaned extends into the liquid level by 4-7 mm; when the tip or the head of the piece to be cleaned is 0.5-2mm away from the liquid, the cleaning pump is controlled to be closed.

Above-mentioned cleaning station, wash through stretching into treating of first cleaning head in the first purge hole that sets up in pairs, adopt the first cleaning head that sets up in pairs to form two water columns in pairs and treat that the cleaning member washs outward, can cause when avoiding single water column to carry out outer washing and produce "vortex space" treating cleaning member back to water column one side, and cause and treat that cleaning member outer wall can't be caused the carriage pollution by the sanitization. And the first cleaning heads arranged in pairs form double water columns to wrap the parts to be cleaned, so that the outer walls of the parts to be cleaned are comprehensively cleaned, the cleaning is prevented from being not in place, the cleaning quality is improved, the cleaning effect is improved, the parts are directly discharged from the bottom of the first cleaning hole after being cleaned, and liquid gushing or liquid overflowing is prevented. First cleaning head sets up to return bend structure easy to assemble, makes things convenient for one end and cleaning pump system to be connected, controls the other end simultaneously and goes out the water washing, conveniently controls out water direction, angle, controls the formation position and the shape of water column.

Furthermore, two first cleaning heads are symmetrically arranged relative to the first cleaning hole, the included angle between the central axis of the water outlet section of each first cleaning head and the vertical direction is 55 degrees, the water flow centers of the water columns on the two sides are converged at the central axis or the central axis of the first cleaning hole, and the outer wall of the workpiece to be cleaned is comprehensively cleaned.

Furthermore, two first cleaning heads arranged in pairs are driven by the same cleaning pump system to inject cleaning liquid for cleaning, the tail end or tail end of a pipeline of the cleaning pump system is divided into two paths with equal length and respectively connected to the two first cleaning heads, the water outlet flow rate of the two first cleaning heads is ensured to be consistent, and the intersection point is located on the central axis of the first cleaning hole.

Drawings

Fig. 1 is a schematic partial structural view of a cleaning station according to an embodiment of the present invention;

fig. 2 is a partial schematic structural view of another perspective of the cleaning station according to an embodiment of the present invention;

fig. 3 is a partial schematic structural view of another view of the cleaning station according to an embodiment of the present invention;

fig. 4 is a schematic partial structural view of a first cleaning head or a second cleaning head according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 4, a cleaning station 100 according to an embodiment of the present invention includes: the cleaning station comprises a cleaning station body 20, a first cleaning hole 40 arranged in the cleaning station body 20, a first cleaning head 60 arranged corresponding to the first cleaning hole 40, and a waste liquid outlet 90 arranged corresponding to the first cleaning hole 60 and communicated with the first cleaning hole.

The first cleaning heads 60 of the present embodiment are disposed in pairs with respect to the first cleaning holes 40. The water outlet of the first cleaning head 60 is provided at the side of the first cleaning hole 40.

The upper end surface of the first cleaning hole 40 of the present embodiment is a needle insertion hole for the member to be cleaned to enter for cleaning, with the normal operation state or the use state as a reference. The cleaning station 100 of the present embodiment is preferably suitable for cleaning needles, such as the sampling needle 30, rod-shaped members, or elongated members, but is not limited to such members.

In this embodiment, the first cleaning heads 60 arranged in pairs are symmetrically arranged with respect to the first cleaning holes 40. For convenience of positioning, mounting and performing a high-precision control operation, it is preferable that two first cleaning heads 60, which are arranged in pairs, are symmetrically arranged with respect to the central axis of the first cleaning hole 40.

In order to facilitate the water outlet to better wash and clean the to-be-cleaned part and simultaneously prevent two water columns from directly emitting and offsetting partial washing and cleaning force, the first cleaning head 60 of the embodiment is obliquely arranged relative to the first cleaning hole 40. The first cleaning hole 40 of this embodiment is a through hole structure and communicates with the waste liquid outlet 90.

In this embodiment, the two first cleaning heads 60 arranged in pairs are connected to the same cleaning pump system or the same common cleaning pump system, and the system is divided into two equal-length paths at the end of the pipeline or the tail end of the pipeline and respectively connected to the two first cleaning heads 60.

In this embodiment, the first cleaning head 60 is bent to form a water inlet section 62 and a water outlet section 64. Preferably, for convenience of forming and arranging and convenience of controlling water flow, the water inlet section 62 and the water outlet section 64 of the present embodiment are arranged approximately at a right angle, and the middle section or the connection part adopts an arc smooth transition. Namely, the first cleaning head 60 is bent at a nearly right angle to form a water inlet section 62 and a water outlet section 64. The water inlet section 62 and the water outlet section 64 are arranged at a nearly right angle, namely, the right angle deviation does not exceed 30 degrees, namely, an included angle of 60-120 degrees is formed between the water inlet section 62 and the water outlet section 64. Preferably, the inlet section 62 is disposed at a right angle to the outlet section 64, with no more than 5% deviation. Further, preferably, the inlet section 62 and the outlet section 64 are arranged at a right angle, and the deviation is not more than 3%. The first cleaning head 60 is connected to the cleaning pump system or the ordinary cleaning pump system through its water inlet section 62, and leads to the pipe of the cleaning pump system or the ordinary cleaning pump system through the water inlet 626 of the water inlet section 62.

Preferably, for convenience of forming and arranging, and convenience of installation and control of the water outlet angle and the water outlet direction of the water outlet 642 of the first cleaning head 60, the axis or the center line of the water inlet section 62 or the water outlet section 64 of the present embodiment forms an angle of 50 ° to 60 ° with the vertical direction or with the needle insertion direction of the member to be cleaned, such as the sampling needle 30. In order to control the water outlet direction, the water outlet angle, the water outlet shape and the water outlet state, the axis or the center line of the water outlet section 64 of the first cleaning head 60 of the embodiment is preferably 50-60 degrees to the vertical direction or to the needle inserting direction of the member to be cleaned, such as the sampling needle 30.

Preferably, the water outlet of the water outlet 642 of the first cleaning head 60 is adjusted to an optimal water outlet angle and water outlet direction to form a better water outlet shape and state, and the axis or the center line of the water inlet section or the water outlet section of the embodiment forms an angle of 55 degrees with the vertical direction or the needle insertion direction of the member to be cleaned. Preferably, the axis or center line of the water outlet section of the first cleaning head 60 of the present embodiment is at 55 ° to the vertical or to the needle insertion direction of the object to be cleaned.

For convenience of installation or connection management, the outer wall of the pipe of the water inlet section 62 or the water outlet section 64 of the present embodiment is provided with a step structure 622.

The first cleaning head 60 of this embodiment has an inner diameter of outlet water 0.15-0.25mm larger than the diameter of the tip or head or body of the member to be cleaned. For example, when cleaning the sampling needle, the inner diameter of the effluent of the first cleaning head 60 is 0.15-0.25mm larger than the diameter of the needle tip of the sampling needle 30 or the needle body to be cleaned.

Preferably, the inner diameter of the outlet water of the first cleaning head 60 of the embodiment is 0.2mm larger than the diameter of the tip or head of the member to be cleaned or the body to be cleaned. For example, when cleaning the sampling needle, the inner diameter of the effluent of the first cleaning head 60 is 0.2mm larger than the diameter of the needle tip of the sampling needle 30 or the needle body to be cleaned.

Preferably, in the present embodiment, the water outlet flow centers of the two first cleaning heads 60 arranged in pairs meet at the central axis of the first cleaning hole 40 or the central axis of the member to be cleaned.

Further, the cleaning station 100 of the present embodiment further includes: a second cleaning hole 80 provided in the cleaning station body 20, and a second cleaning head 50 provided corresponding to the second cleaning hole 80. The water outlet of the second cleaning head 50 of this embodiment is disposed at the side of the second cleaning hole 80.

Further, the second cleaning hole 80 of the present embodiment includes: the wash chamber 82 is located adjacent to the drain hole 84. The wash chamber 82 may be configured as a blind hole structure, or a bottom-sealed chamber. The enclosure of the cleaning chamber 82 may be a fixed or removable back cover structure.

The cleaning chamber 82 and the water discharge hole 84 of this embodiment are arranged in parallel or in parallel, and are communicated with each other through a step surface 85 or a partition lower than the upper end surface of the cleaning station body or the upper end surface of the needle insertion hole of the second cleaning hole at the upper part of the second cleaning hole 80.

The second cleaning head 50 of this embodiment is arranged in correspondence with the cleaning chamber 82. The drain hole 84 is a through hole structure and leads to a waste liquid outlet 90.

Further, the second cleaning head 50 of the present embodiment is bent to form a water inlet section 52 and a water outlet section 54. The structure of the second cleaning head 50 of the present embodiment may be the same as the structure of the first cleaning head 60.

The second cleaning head 50 is connected to the intensified cleaning pump system through its water inlet section 52, and is in communication with the piping of the intensified cleaning pump system through the water inlet 526 of the water inlet section 52.

Preferably, for convenience of formation and arrangement and convenience of controlling water flow, the water inlet section 52 and the water outlet section 54 of the second cleaning head 50 of the present embodiment are disposed at a substantially right angle, and the middle section or the junction is in a smooth transition of an arc. Namely, the second cleaning head 50 is bent at a nearly right angle to form a water inlet section 52 and a water outlet section 54. The water inlet section 52 and the water outlet section 54 of the second cleaning head 50 are arranged at a nearly right angle, that is, the right angle deviation does not exceed 30 degrees, that is, an included angle of 60-120 degrees is formed between the water inlet section 52 and the water outlet section 54 of the second cleaning head 50. Preferably, the inlet section 52 is disposed at a right angle to the outlet section 54, with a deviation of no more than 5%. Further, it is preferable that the deviation is not more than 3%. The second cleaning head 50 of this embodiment is connected to the intensified cleaning pump system through its water inlet section 52, and leads to the piping of the intensified cleaning pump system through the water inlet 526 of the water inlet section 52.

Preferably, for the convenience of forming and arranging, and for the convenience of installation and for controlling the water outlet angle and the water outlet direction, the axis or the center line of the water inlet section 52 or the water outlet section 54 of the second cleaning head 50 of the embodiment forms an angle of 50 degrees to 60 degrees with the vertical direction or with the needle inserting direction of the member to be cleaned. Preferably, the axis or centerline of the water outlet section 54 of the second cleaning head 50 of this embodiment is 50 ° to 60 ° from the vertical or from the direction of the needle insertion of the item to be cleaned.

Preferably, the water outlet 542 of the second cleaning head 50 is adjusted to have the best water outlet angle and water outlet direction to form a better water outlet shape and state, and the axis or the center line of the water inlet section 52 or the water outlet section 54 of the second cleaning head 50 in this embodiment forms 55 degrees with the vertical direction or the needle insertion direction of the member to be cleaned. Preferably, the axis or centerline of the water outlet section 54 of the second cleaning head 50 of this embodiment is at 55 ° to the vertical or to the needle insertion direction of the object to be cleaned.

For convenience of installation or connection management, the outer wall of the pipe of the water inlet section 52 or the water outlet section 54 of the present embodiment is provided with a step structure 522.

The second cleaning head 50 of this embodiment has an inside diameter of the outlet water which is 0.15-0.25mm larger than the diameter of the tip or head or body of the member to be cleaned. For example, when cleaning the sampling needle, the inner diameter of the water outlet of the second cleaning head 50 is 0.15-0.25mm larger than the diameter of the needle tip of the sampling needle 30 or the needle body to be cleaned.

Preferably, the second cleaning head 50 of the present embodiment has an inner diameter of outlet water which is 0.2mm larger than the diameter of the tip or head or body of the member to be cleaned. For example, when cleaning the sampling needle, the inner diameter of the water outlet of the second cleaning head 50 is 0.2mm larger than the needle tip of the sampling needle 30 or the diameter of the needle body to be cleaned.

In order to facilitate the forming and control of the waste liquid discharge, the drain hole 84 of the second cleaning hole and the first cleaning hole 40 of the present embodiment lead to the same waste liquid outlet 90.

Further, the sectional area of the waste liquid outlet 90 of the present embodiment is larger than the sum of the sectional areas of the drainage hole 84 of the second cleaning hole 80 and the drainage hole of the first cleaning hole 40; or in order to discharge the waste liquid in time without causing liquid gushing or liquid overflowing, the sectional area of the waste liquid outlet 90 of the embodiment is larger than the sum of the sectional areas of the first cleaning hole 40 and the second cleaning hole 80.

Further, the cleaning station 100 of the present embodiment further includes: a control system for controlling the cleaning, and a waste liquid pump system disposed corresponding to the waste liquid outlet 90 for pumping away the liquid at the waste liquid outlet.

The control system of the embodiment controls the cleaning pump system to drive the first cleaning head 60 to have the water outlet speed of 1-2ml/s, and controls the part to be cleaned to extend into the liquid level for 4-7mm for cleaning; when the cleaning is finished or the cleaning mode is switched or the next cleaning is carried out, the cleaning pump is controlled to be closed when the tip or the head of the piece to be cleaned is detected to be 0.5-2mm away from the liquid.

Preferably, the control system of this embodiment controls the cleaning pump system to drive the water outlet 642 of the first cleaning head 60 to have a water outlet speed of 1.5ml/s, and controls the member to be cleaned to extend into the liquid level by 5mm for cleaning; when the cleaning is finished or the cleaning mode is switched or the next cleaning is carried out, the cleaning pump is controlled to be closed when the tip or the head of the piece to be cleaned is detected to be 1mm away from the liquid.

Further, the cleaning station 100 of the present embodiment further includes: and a mounting fixing plate 99 provided at the bottom of the cleaning station body 20 for mounting. The mounting fixing plate 99 is provided with mounting fixing holes 992 for fixing mounting by fixing members.

The cleaning station 100 of this embodiment changes and can cause when the past single water column carries out outer washing and produce "vortex gap" in treating that the washing piece such as sampling needle 30 back to the water column one side, and the needle outer wall can't be washed clean and cause the carryover. The utility model discloses a cleaning station 100 forms two water columns through the first cleaning head 60 that sets up in pairs and washs outward, and two first cleaning head 60 are first cleaning hole 40 symmetrical arrangement relatively. With the working state or the normal use state as a reference, the included angle between the central axis of the water outlet section 54 of the first cleaning head 60 installed on the cleaning station body 20 and the vertical direction is 55 °, the water flow centers of the water columns on the two sides converge at the central axis or the central axis of the first cleaning hole 40, and the overall cleaning of the outer wall of the piece to be cleaned, such as the outer wall of the sampling needle, is realized.

The two first cleaning heads 60 arranged in pairs are driven by the same cleaning pump system to inject cleaning liquid for cleaning, the tail end or the tail end of a pipeline of the cleaning pump system is divided into two paths with equal length and is respectively connected to the two first cleaning heads 60, the water outlet flow rate of the two first cleaning heads 60 is ensured to be consistent, the converging point is positioned on the central axis of the first cleaning hole 40, a to-be-cleaned part such as a sampling needle penetrates into the liquid surface to be about 5mm in depth during external cleaning, the water outlet speed of the two first cleaning heads 60 is 1.5m L/s, less liquid amount but more comprehensive cleaning can be realized, the to-be-cleaned part such as the sampling needle 30 is pulled out after the external cleaning is finished, the external cleaning pump can be closed when the needle point is about 1mm away from the external cleaning liquid surface, the to-be-cleaned part such as the sampling needle 30 does not need to be closed when the to-.

The effluent inner diameter of the first cleaning head 60 of the embodiment is about 0.2mm larger than the diameter of a member to be cleaned, such as the needle tip of a sampling needle, so that the needle tip can be completely wrapped by the outer cleaning water column.

After the member to be cleaned, such as the sampling needle 30, sucks and discharges the contaminated sample, it is necessary to perform intensive cleaning in addition to normal inside and outside cleaning. The intensive cleaning is carried out in the second cleaning hole 80, the second cleaning head 50 is driven by the intensive cleaning hole pump to inject the intensive cleaning liquid, and the piece to be cleaned, such as the sampling needle 30, carries out the actions of sucking and discharging the intensive cleaning liquid and soaking in the second cleaning hole 80. The intensified cleaning liquid is injected into the cleaning cavity 82 of the second cleaning hole 80, overflows the step surface 85 of the second cleaning hole 80, enters the drain hole 84, flows out of the waste liquid outlet 90, and is pumped away by the waste liquid pump. The first cleaning hole 40 and the second cleaning hole 80 are respectively cleaned normally and intensively, cleaning waste liquid flowing out of the first cleaning hole 40 and the second cleaning hole 80 flows out through the shared waste liquid outlet 90 and is pumped away by a waste liquid pump, the sectional area of the waste liquid outlet 90 is larger than the sum of the sectional areas of the first cleaning hole 40 and the second cleaning hole 80, the waste liquid is ensured to be pumped away in time, and liquid flowing or overflowing phenomena cannot be caused.

The utility model discloses a cleaning station 100 through above-mentioned setting can avoid the needle to carry the pollution when, and the water consumption is low.

The part to be cleaned only needs to be cleaned inside and outside after carrying out the application of sample of general low pollution project like sampling needle 30, and interior washing is carried out through the pipeline that directly links to each other with the sampling needle and diaphragm pump injection system type washing liquid, and outer washing is then cleaned through the water column that two first cleaning head 60 water injection or washing liquid that set up in pairs formed. After the sample of the polluting item is discharged by the to-be-cleaned member, such as the sampling needle 30, the interior and exterior cleaning is required, and the reinforced cleaning is also required, when the reinforced cleaning is performed, the second cleaning head 50 injects reinforced cleaning liquid into the second cleaning hole 80 on the cleaning station body 20 through the reinforced cleaning pump system connected with the second cleaning head, the to-be-cleaned member, such as the sampling needle 30, performs a series of cleaning actions, such as sucking, spitting, soaking and the like, in the cleaning cavity 82 of the second cleaning hole 80, and the reinforced cleaning liquid flows out over the middle step surface 85. The discharge of the ordinary cleaning liquid or the system cleaning liquid injected in the first cleaning hole 40 and the intensified cleaning liquid injected in the second cleaning hole 80 share the same large waste liquid outlet 90, and the waste liquid outlet 90 is directly connected with a waste liquid pump system to discharge the cleaned cleaning liquid in time.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A cleaning station, comprising: the cleaning station comprises a cleaning station body, a first cleaning hole in the cleaning station body, a first cleaning head correspondingly arranged in the first cleaning hole, and a waste liquid outlet correspondingly arranged in the first cleaning hole, wherein the first cleaning head is opposite to the first cleaning hole in pair, a water outlet of the first cleaning head is formed in the side surface of the first cleaning hole, the first cleaning hole is of a through hole structure and leads to the waste liquid outlet, and the first cleaning head is of a bent pipe structure.

2. The cleaning station of claim 1, wherein the first cleaning heads arranged in pairs are symmetrically arranged with respect to the first cleaning aperture.

3. The cleaning station of claim 1, wherein said first cleaning heads are disposed obliquely with respect to said first cleaning holes, and the paired first cleaning heads are connected to the same cleaning pump system and the system is divided into two equal-length paths at the end of the pipeline or the tail end of the pipeline and connected to two paired first cleaning heads respectively.

4. The cleaning station according to claim 1, wherein the first cleaning heads are bent to form a water inlet section and a water outlet section, the axis or the center line of the water inlet section or the water outlet section forms 50-60 degrees with the vertical direction or the needle insertion direction of the piece to be cleaned, and the two paired first cleaning heads are symmetrically arranged relative to the center axis of the first cleaning hole.

5. The cleaning station according to claim 4, characterized in that the axis or the center line of the water outlet section of the first cleaning head is 55 degrees from the vertical direction or the needle insertion direction of the piece to be cleaned, a step structure is arranged on the outer wall of the tube of the water inlet section or the water outlet section of the first cleaning head, the water inlet section and the water outlet section of the first cleaning head are arranged at a right angle or nearly at a right angle, and the connection or transition of the two sections adopts an arc smooth transition.

6. The cleaning station according to claim 4, characterized in that the first cleaning head has an inner outlet diameter which is 0.15-0.25mm larger than the diameter of the tip or head of the piece to be cleaned or the body to be cleaned.

7. The cleaning station according to claim 4, characterized in that the outlet inner diameter of the first cleaning head is 0.2mm larger than the diameter of the tip or head or body to be cleaned of the piece to be cleaned, and the outlet water flows of the two first cleaning heads arranged in pairs meet at the central axis of the cleaning hole or the central axis of the piece to be cleaned.

8. The cleaning station of any of claims 1 to 7, further comprising: the second cleaning hole of setting in the cleaning station body reaches with the corresponding second cleaning head that sets up in second cleaning hole, the delivery port setting of second cleaning head is in second cleaning hole side, the second cleaning hole includes: the cleaning cavity and the drain hole are arranged in parallel or side by side, the cleaning cavity and the drain hole are communicated with each other at the upper part of the second cleaning hole through a step surface or a partition lower than the upper end surface of the cleaning station body or the upper end surface of the needle inserting hole of the second cleaning hole, the second cleaning head and the cleaning cavity are correspondingly arranged, and the drain hole is of a through hole structure and leads to the waste liquid outlet.

9. The cleaning station according to claim 8, wherein the second cleaning head is bent to form a water inlet section and a water outlet section, the axis or the center line of the water inlet section or the water outlet section forms 50-60 degrees with the vertical direction or the needle inserting direction of the piece to be cleaned, and the water outlet inner diameter of the first cleaning head is 0.15-0.25mm larger than the needle point or the needle body diameter of the piece to be cleaned; the drain hole of the second cleaning hole and the first cleaning hole lead to the same waste liquid outlet, and the sectional area of the waste liquid outlet is larger than the sum of the sectional areas of the drain hole of the second cleaning hole and the drain hole of the first cleaning hole, or the sectional area of the waste liquid outlet is larger than the sum of the sectional areas of the first cleaning hole and the second cleaning hole.

10. The cleaning station of any of claims 3 to 7, further comprising: the control system is used for controlling cleaning, the waste liquid pump system is arranged corresponding to the waste liquid outlet and is used for controlling the liquid at the waste liquid outlet to be pumped away, and the water outlet speed of the first cleaning head is 1-2 ml/s; when cleaning, the part to be cleaned extends into the liquid level by 4-7 mm; when the tip or the head of the piece to be cleaned is 0.5-2mm away from the liquid, the cleaning pump is controlled to be closed.

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