阅读说明：本技术 一种新型制冷板蒸发器及其制作方法 (Novel refrigeration plate evaporator and manufacturing method thereof ) 是由 江胜标 刘天睿 李运奇 于 2021-02-22 设计创作，主要内容包括：本发明的一种新型制冷板蒸发器包括制冷板和盘管,盘管设置于制冷板内,盘管的两端分别连接有进口管和出口管,盘管由一根直管经过多次弯曲形成,盘管包括多个弯管,弯管包括圆弧管、第一方向斜管及第二方向斜管,圆弧管的一端与第一方向斜管连接,圆弧管的另一端与第二方向斜管连接,第一方向斜管及第二方向斜管以其间的圆弧管的水平中心线为轴镜像对称,圆弧管位于制冷板的左右两端,圆弧管之间紧密排列。该新型制冷板蒸发器避免使用焊接工艺,盘管通过自然弯曲方式形成排列紧密的弯管,使制冷板的速冻效果更好,并且通过浇铸工艺使盘管与制冷板形成一整体,简化了制作工艺,而且使制冷板的导冷效果更好。(The novel refrigeration plate evaporator comprises a refrigeration plate and a coil, wherein the coil is arranged in the refrigeration plate, an inlet pipe and an outlet pipe are respectively connected to two ends of the coil, the coil is formed by bending a straight pipe for multiple times, the coil comprises a plurality of bent pipes, each bent pipe comprises an arc pipe, a first-direction inclined pipe and a second-direction inclined pipe, one end of each arc pipe is connected with the first-direction inclined pipe, the other end of each arc pipe is connected with the second-direction inclined pipe, the first-direction inclined pipes and the second-direction inclined pipes are in mirror symmetry by taking the horizontal center line of the arc pipe between the first-direction inclined pipes and the second-direction inclined pipes as an axis, the arc pipes are positioned at the left end and the right end of the. This novel refrigeration board evaporimeter avoids using welding process, and the coil pipe forms through the natural bending mode and arranges inseparable return bend, makes the quick-freeze effect of refrigeration board better to make coil pipe and refrigeration plate form one wholly through casting process, simplified manufacturing process, make the cold effect of leading of refrigeration board better moreover.)

1. The utility model provides a novel refrigeration board evaporimeter, a serial communication port, including refrigeration board and coil pipe, the coil pipe sets up in the refrigeration inboard, the both ends of coil pipe are connected with import pipe and outlet pipe respectively, the coil pipe is formed through bending many times by a straight tube, the coil pipe includes a plurality of return bends, the return bend includes circular arc pipe, first direction pipe chute and second direction pipe chute, the one end and the first direction pipe chute of circular arc pipe are connected, the other end and the second direction pipe chute of circular arc pipe are connected, first direction pipe chute and second direction pipe chute use the horizontal central line of circular arc pipe between them as the mirror symmetry of axle, the circular arc pipe is located both ends about the refrigeration board, closely arrange between the circular arc pipe.

2. The new refrigeration plate evaporator as recited in claim 1 wherein said coil further comprises a first straight tube and a second straight tube, one end of said first straight tube being connected to said inlet tube, the other end of said first straight tube being connected to said uppermost circular arc tube, one end of said second straight tube being connected to said outlet tube, the other end of said second straight tube being connected to said lowermost circular arc tube.

3. The new refrigeration plate evaporator as recited in claim 1 wherein the angle between said first and second direction ramps is between 10 and 30 degrees.

4. The new refrigeration plate evaporator as recited in claim 1 wherein said coiled tube is a copper tube and said circular arc tube is formed by a tube bender which is naturally bent.

5. The new refrigeration plate evaporator as recited in claim 1 wherein said circular arc tube has a bend radius of 25mm to 35 mm.

6. The novel refrigeration plate evaporator as recited in claim 1 wherein said refrigeration plate is an aluminum plate formed by melting an aluminum block and casting the melted aluminum block into a mold in which the coil is placed.

7. The manufacturing method of the novel refrigeration plate evaporator is characterized by comprising the following steps of:

selecting the outer diameter size and the length of the copper pipe according to the size of the refrigeration plate;

bending the copper pipe for multiple times by using a pipe bender to form a plurality of bent pipes which are closely arranged;

manufacturing a die with the same size as the refrigerating plate, and fixedly placing the bent copper pipe in the die;

pouring liquid aluminum into the die at one time to enable the copper pipe and the aluminum material to be combined into a whole;

and cooling the cast mould, demolding, and performing surface polishing treatment to obtain a finished product.

8. The method as claimed in claim 7, wherein the bent tube includes an arc tube, a first direction inclined tube and a second direction inclined tube, one end of the arc tube is connected to the first direction inclined tube, the other end of the arc tube is connected to the second direction inclined tube, the first direction inclined tube and the second direction inclined tube are mirror-symmetrical about a horizontal center line of the arc tube therebetween, the arc tubes are located at left and right ends of the refrigeration plate, and the arc tubes are closely arranged.

9. A method of making a novel refrigeration plate evaporator as recited in claim 7 wherein said refrigeration plate is of a size 1170mm long by 630mm wide by 20mm thick and said copper tube has an outer diameter of 16 mm.

10. The method as claimed in claim 7, wherein said liquid aluminum is melted from aluminum block at 600-700 ℃.

Technical Field

The invention relates to the field of plasma quick-freezing equipment, in particular to a novel refrigeration plate evaporator and a manufacturing method thereof.

Background

Plasma quick-freeze equipment is dull and stereotyped contact frozen machine usually, and in the use, levelly and smoothly place the plasma bag on the refrigeration board, the plasma bag carries out the heat transfer through with refrigeration board direct contact, makes plasma bag rapid cooling. The refrigeration plate of the plasma quick-freezing equipment in the prior art has the following defects: (1) the heat exchange tubes are arranged in the refrigeration plates, the straight tubes and the bent tubes are connected at the bent parts of the heat exchange tubes through a welding technology, two welding openings are formed at each bent tube, and dozens of welding openings are formed in one refrigeration plate, so that great inconvenience is brought to the production and manufacturing processes of the refrigeration plates; (2) the inner pipe wall at the welding position can be provided with a crater, which influences the circulation of refrigerant in the pipe and further influences the refrigeration effect; (3) due to the limitation of the manufacturing process, the heat exchange tubes are not tightly arranged, so that the plasma bags on the refrigerating plate are difficult to uniformly and quickly refrigerate at the same time, and the quick-freezing effect of the plasma bags is influenced; (4) the recess of placing hot exchange pipe need be dug out in the refrigeration board, and when mass production, it is hard to waste time, has the clearance moreover between refrigeration board and the hot exchange pipe, influences the refrigeration effect.

Accordingly, there remains a need for improvements in refrigeration plate evaporators for the above situations.

Disclosure of Invention

Therefore, a novel refrigeration plate evaporator is needed, which has a good cold guide effect, can quickly freeze blood plasma on the refrigeration plate evaporator, and is simple to manufacture and low in cost.

In order to realize the purpose, the invention provides a novel refrigeration plate evaporator, which adopts the following technical scheme:

the utility model provides a novel refrigeration board evaporimeter, a serial communication port, including refrigeration board and coil pipe, the coil pipe sets up in the refrigeration inboard, the both ends of coil pipe are connected with import pipe and outlet pipe respectively, the coil pipe is formed through bending many times by a straight tube, the coil pipe includes a plurality of return bends, the return bend includes circular arc pipe, first direction pipe chute and second direction pipe chute, the one end and the first direction pipe chute of circular arc pipe are connected, the other end and the second direction pipe chute of circular arc pipe are connected, first direction pipe chute and second direction pipe chute use the horizontal central line of circular arc pipe between them as the mirror symmetry of axle, the circular arc pipe is located both ends about the refrigeration board, closely arrange between the circular arc pipe.

Further, the coil pipe further comprises a first straight pipe and a second straight pipe, one end of the first straight pipe is connected with the inlet pipe, the other end of the first straight pipe is connected with the uppermost circular arc pipe, one end of the second straight pipe is connected with the outlet pipe, and the other end of the second straight pipe is connected with the lowermost circular arc pipe.

Further, the angle between the first direction inclined tube and the second direction inclined tube is 10-30 degrees.

Furthermore, the coil pipe is a copper pipe, and the circular arc pipe is formed by naturally bending a pipe bender.

Further, the bending radius of the circular arc pipe is 25mm-35 mm.

Further, the refrigeration plate is an aluminum plate, and the aluminum plate is formed by pouring molten aluminum blocks into a mold for placing the coil pipe for casting.

The invention also provides a manufacturing method of the novel refrigerating plate evaporator, which is characterized by comprising the following steps:

selecting the outer diameter size and the length of the copper pipe according to the size of the refrigeration plate;

bending the copper pipe for multiple times by using a pipe bender to form a plurality of bent pipes which are closely arranged;

manufacturing a die with the same size as the refrigerating plate, and fixedly placing the bent copper pipe in the die;

pouring liquid aluminum into the die at one time to enable the copper pipe and the aluminum material to be combined into a whole;

and cooling the cast mould, demolding, and performing surface polishing treatment to obtain a finished product.

Further, the manufacturing method of the novel refrigeration plate evaporator is characterized in that the bent pipe comprises an arc pipe, a first direction inclined pipe and a second direction inclined pipe, one end of the arc pipe is connected with the first direction inclined pipe, the other end of the arc pipe is connected with the second direction inclined pipe, the first direction inclined pipe and the second direction inclined pipe are in mirror symmetry with the horizontal center line of the arc pipe between the first direction inclined pipe and the second direction inclined pipe as an axis, the arc pipes are located at the left end and the right end of the refrigeration plate, and the arc pipes are closely arranged.

Further, the size of the refrigerating plate is 1170mm in length, 630mm in width and 20mm in thickness.

Further, the outer diameter of the copper pipe is 16 mm.

Further, the liquid aluminum is obtained by melting an aluminum block, and the melting temperature is 600-700 ℃.

Compared with the prior art, the novel refrigeration plate evaporator comprises a refrigeration plate and a coil pipe, wherein the coil pipe is arranged in the refrigeration plate, an inlet pipe and an outlet pipe are respectively connected to two ends of the coil pipe, the coil pipe is formed by bending a straight pipe for multiple times, the coil pipe comprises a plurality of bent pipes, each bent pipe comprises an arc pipe, a first-direction inclined pipe and a second-direction inclined pipe, one end of each arc pipe is connected with the first-direction inclined pipe, the other end of each arc pipe is connected with the second-direction inclined pipe, the first-direction inclined pipes and the second-direction inclined pipes are in mirror symmetry with the horizontal center line of the arc pipe between the first-direction inclined pipes and the second-direction inclined pipes as an axis, the arc pipes are located at the left end and the right end of the refrigeration plate, and the arc. This novel refrigeration board evaporimeter avoids using welding process, and the coil pipe forms through the natural bending mode and arranges inseparable return bend, makes the quick-freeze effect of refrigeration board better to make coil pipe and refrigeration plate form one wholly through casting process, simplified manufacturing process, make the cold effect of leading of refrigeration board better moreover.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a top plan view of the structure of a novel cold plate evaporator of one embodiment;

fig. 2 is a schematic view of another perspective of a novel cold plate evaporator according to one embodiment;

FIG. 3 is a schematic structural view of a coiled tubing of one embodiment;

FIG. 4 is a schematic structural view of an elbow according to an embodiment.

The refrigeration system comprises a novel refrigeration plate evaporator 100, a refrigeration plate 110, a coil 120, an inlet pipe 121, an outlet pipe 122, an elbow pipe 130, an arc pipe 131, an inclined pipe 132 in a first direction, an inclined pipe 133 in a second direction, a first straight pipe 134 and a second straight pipe 135.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture changes, the directional indicator changes accordingly.

As shown in fig. 1 to 4, a novel refrigeration plate evaporator 100 includes a refrigeration plate 110 and a coil 120, the coil 120 is disposed in the refrigeration plate 110, two ends of the coil 120 are respectively connected with an inlet pipe 121 and an outlet pipe 122, the coil 120 is formed by bending a straight pipe for multiple times, the coil 120 includes a plurality of bent pipes 130, the bent pipes 130 include arc pipes 131, first-direction inclined pipes 132 and second-direction inclined pipes 133, one end of the arc pipe 131 is connected with the first-direction inclined pipes 132, the other end of the arc pipe 131 is connected with the second-direction inclined pipes 133, the first-direction inclined pipes 132 and the second-direction inclined pipes 133 use horizontal center lines of the arc pipes 131 therebetween as axial mirror symmetry, the arc pipes 131 are located at left and right ends of the refrigeration plate 110, and the arc pipes 131 are closely arranged. This novel refrigeration board evaporimeter avoids using welding process, and the coil pipe forms through the natural bending mode and arranges inseparable return bend, makes the quick-freeze effect of refrigeration board better.

Specifically, as shown in fig. 1 to 3, the coil pipe 120 further includes a first straight pipe 134 and a second straight pipe 135, one end of the first straight pipe 134 is connected to the inlet pipe 121, the other end of the first straight pipe 134 is connected to the uppermost circular arc pipe 131, one end of the second straight pipe 135 is connected to the outlet pipe 122, and the other end of the second straight pipe 135 is connected to the lowermost circular arc pipe 131. The straight tube design connected with the inlet tube and the outlet tube ensures that the air flow can move in and out more smoothly, and is matched with the upper and lower long edges of the rectangular plate, so that the arrangement of the coil is more compact and reasonable, and the quick and uniform quick freezing of the plasma sample on the coil is facilitated.

Specifically, as shown in FIG. 4, the angle between the first direction chute 132 and the second direction chute 133 is 10-30 degrees. It will be appreciated that the angle can be adjusted according to the bend radius of the circular arc tube and the actual situation, preferably 5-10 degrees.

In one embodiment, as shown in fig. 1-4, the coiled tube is a copper tube, and the circular tube is formed by bending a tube bender naturally. The copper pipe has the advantages of stable chemical property, cold resistance, heat resistance, good heat conductivity, safe and reliable use, no need of maintenance and maintenance, good toughness, and capability of being naturally bent into a proper shape by a pipe bender or other tools.

In one embodiment, the bending radius of the circular arc pipe is 25mm-35 mm. It is understood that the radius of curvature of the circular arc tube varies depending on the property of the copper tube and the diameter of the copper tube, and when the outer diameter of the copper tube is 16mm, the radius of curvature of the circular arc tube is preferably 30 mm.

Specifically, the refrigeration board is aluminum plate, aluminum plate melts the back by the aluminium pig and pours into the mould of placing the coil pipe and cast and form. The melting point of aluminium is less than copper, pours aluminium into the mould of placing the copper pipe under aluminium melting temperature, can not cause the damage to the copper pipe, and the aluminum product can mutually combine into a whole with the copper pipe, makes the cold nature of leading of refrigeration board strengthen greatly to the manufacturing process is simple, need not operations such as welding and grooving installation, has improved production efficiency.

Specifically, the manufacturing method of the novel refrigeration plate evaporator comprises the following steps:

selecting the outer diameter size and the length of the copper pipe according to the size of the refrigeration plate;

bending the copper pipe for multiple times by using a pipe bender to form a plurality of bent pipes which are closely arranged;

manufacturing a die with the same size as the refrigerating plate, and fixedly placing the bent copper pipe in the die;

pouring liquid aluminum into the die at one time to enable the copper pipe and the aluminum material to be combined into a whole;

and cooling the cast mould, demolding, and performing surface polishing treatment to obtain a finished product.

The bent pipe structure comprises an arc pipe, a first direction inclined pipe and a second direction inclined pipe, one end of the arc pipe is connected with the first direction inclined pipe, the other end of the arc pipe is connected with the second direction inclined pipe, the first direction inclined pipe and the second direction inclined pipe are in axial mirror symmetry with the horizontal center line of the arc pipe between the first direction inclined pipe and the second direction inclined pipe, the arc pipe is located at the left end and the right end of the refrigeration plate, and the arc pipes are closely arranged.

Specifically, in one embodiment, the refrigeration plate has a length of 1170mm, a width of 630mm and a thickness of 20mm, and the copper tube has an outer diameter of 16 mm. The liquid aluminum is obtained by melting an aluminum block, and the melting temperature is 600-700 ℃. And placing the copper pipe in the refrigeration plate through a casting process, after demolding, leveling two surfaces of the refrigeration plate, and performing surface polishing treatment to obtain a novel refrigeration plate evaporator finished product.

The manufacturing method utilizes the melting point difference of copper and aluminum, the copper pipe still keeps a solid state at the temperature of aluminum melting, liquid aluminum is cast in a mold for placing the copper pipe, the copper pipe and the aluminum material are combined into a whole, the copper pipe and the aluminum material are in hundred percent contact, the cold conduction effect of the refrigeration plate is greatly enhanced, the manufacturing method is simple, the surface of the refrigeration plate is smooth, the manufacturing cost is low, and the refrigeration plate is suitable for batch production.

The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.