阅读说明：本技术 一种冷冻切片六点制冷装置 (Freezing section six-point refrigerating plant ) 是由 陶革新 刘广龙 李军武 于 2020-07-27 设计创作，主要内容包括：本发明提供一种冷冻切片六点制冷装置,其技术特征是,包括两套制冷系统,制冷系统A包含压缩机、冷凝器、过滤器、电磁阀、毛细管、冷台1蒸发器、冷台2蒸发器、冷室蒸发器、回气管；制冷系统B包含压缩机、冷凝器、过滤器、电磁阀、毛细管、冷头蒸发器、冷刀蒸发器、防卷板冷台蒸发器、回气管。一台压缩机可带三个以上蒸发器,实现多点制冷,两台压缩机实现了六点制冷。两套制冷系统配合运行,压缩机与蒸发器之间通过回气管连接形成闭合回路,减少能量损耗,制冷速度快,节省了制做冷冻切片的时间,提高工作效率,且压缩机制冷不易出现故障,制冷速度快,节省能源,运行平稳安全。(The invention provides a frozen slice six-point refrigerating device which is technically characterized by comprising two sets of refrigerating systems, wherein the refrigerating system A comprises a compressor, a condenser, a filter, an electromagnetic valve, a capillary tube, a cold stage 1 evaporator, a cold stage 2 evaporator, a cold chamber evaporator and an air return pipe; the refrigerating system B comprises a compressor, a condenser, a filter, an electromagnetic valve, a capillary tube, a cold head evaporator, a cold knife evaporator, an anti-rolling plate cold platform evaporator and an air return pipe. One compressor can be provided with more than three evaporators to realize multipoint refrigeration, and two compressors realize six-point refrigeration. The two sets of refrigeration systems are matched to operate, the compressor and the evaporator are connected through the air return pipe to form a closed loop, energy loss is reduced, the refrigeration speed is high, the time for making frozen slices is saved, the working efficiency is improved, the compressor is not prone to failure in refrigeration, the refrigeration speed is high, energy is saved, and the operation is stable and safe.)

1. A six-point refrigerating device of a freezing slicing machine comprises two sets of refrigerating systems, wherein the refrigerating system A comprises a compressor, a condenser, a filter, an electromagnetic valve, a capillary tube, a cold stage 1 evaporator, a cold stage 2 evaporator, a cold chamber evaporator and an air return pipe; the refrigeration system B comprises a compressor, a condenser, a filter, an electromagnetic valve, capillary tubes, a cold head evaporator, a cold knife evaporator, an anti-rolling plate evaporator and an air return pipe, and is characterized in that the compressor in the system A is connected with the condenser, the filter and the electromagnetic valve through pipelines, the non-electrified end of the electromagnetic valve is connected with two capillary tubes, one of the capillary tubes is connected with the second cold stage evaporator, and the other capillary tube is connected with the cold chamber evaporator; the electrified end of the electromagnetic valve is connected with the first cold stage evaporator through a capillary tube, the second cold stage evaporator, the cold chamber evaporator and the first cold stage evaporator are respectively connected with a compressor through an air return pipe, a refrigerant is pumped into a condenser by the compressor, then enters the electromagnetic valve through a filter, then enters the first capillary tube and the second capillary tube at the end, where the electromagnetic valve is not electrified, of the electromagnetic valve, the two capillary tubes simultaneously spray the refrigerant, so that the evaporator of the second cold stage connected with the capillary tubes and the cold chamber evaporator are simultaneously refrigerated, the electromagnetic valve is converted and then enters the third capillary tube at the end, where the electromagnetic valve is electrified, to be connected with the first cold stage evaporator and refrigerate, the three evaporators are divided into an air return pipe, and the; a compressor in a refrigerating system B is connected with a condenser, a filter and an electromagnetic valve through pipelines, the non-powered end of the electromagnetic valve is connected with two capillary tubes, the two capillary tubes are respectively connected with a cold knife evaporator and an anti-rolling plate cold stage evaporator, the powered end of the capillary tube is connected with a cold head evaporator, the cold knife evaporator, the anti-rolling plate cold stage evaporator and the cold head evaporator are respectively connected with the compressor through air return pipes, a refrigerant is pumped into the condenser by the compressor, then enters the two capillary tubes on the electromagnetic valve through the filter, and is respectively a first capillary tube and a second capillary tube which are connected with the cold knife evaporator and the anti-rolling plate cold stage evaporator. Two capillary tubes simultaneously spray refrigerants to enable two evaporators to simultaneously refrigerate, a first capillary tube is connected with a cold knife evaporator to refrigerate, a second capillary tube is connected with an anti-rolling plate cold stage evaporator to refrigerate, an electromagnetic valve is switched to enter a third capillary tube at the other end and enter a cold head evaporator to refrigerate, after the three evaporators are combined into an air return pipe, the refrigerants return to the compressor again, and therefore six-point refrigeration of the two compressors is achieved.

2. The six-point refrigeration device of a freezing microtome according to claim 1, wherein the refrigeration system a and the refrigeration system B use the compressor (1) and the compressor (9), respectively, for refrigeration.

3. The six-point refrigerating device of the freezing microtome as claimed in claim 1, wherein each of the refrigerating system A and the refrigerating system B is a compressor and an electromagnetic valve which are connected with three capillary tubes and drive three or more evaporators to work, and the two refrigerating systems work simultaneously to realize six-point or multi-point refrigeration.

The technical field is as follows:

the invention relates to a refrigerating device of a freezing microtome, in particular to a six-point refrigerating device for the freezing microtome.

Background art:

at present, in the field of freezing microtomes, the refrigeration in a box is mostly two-point refrigeration and three-point refrigeration. The work requires 6-point refrigeration, so they use compressors or semiconductor refrigeration. All points needing refrigeration are required to be refrigerated by semiconductor refrigeration or passive refrigeration, the international brand freezing microtomes in the market only have box refrigeration, tissue freezing table refrigeration and slicing head refrigeration, and the international brand freezing microtomes adopt a compressor for box refrigeration and a compressor for table refrigeration, the cold table for quick refrigeration uses the semiconductor refrigeration, and the head refrigeration is also a semiconductor refrigeration mode and is easy to damage. And a refrigerating device for changing a set of slice heads needs to be expensive. The refrigeration of the cold knife and the refrigeration of the anti-rolling plate cannot be actively refrigerated, the cold knife and the anti-rolling plate can only be conducted to the knife by the refrigeration of the box through cold air, and the anti-rolling plate can only enable the knife and the anti-rolling plate to generate cold, and the cold knife and the anti-rolling plate need to be started day and night during use to balance the refrigeration, so that the time is long, the speed is slow, the power consumption is high, and the work is inconvenient.

The invention content is as follows:

the invention aims to provide a freezing six-point refrigerating device aiming at the defects in the technology. Two sets of refrigeration systems are installed in one device, one compressor can be provided with more than three evaporators to realize multipoint refrigeration, and two compressors realize six-point refrigeration. The two sets of refrigeration systems are matched to operate, the compressor and the evaporator are connected through the air return pipe to form a closed loop, energy loss is reduced, the refrigeration speed is high, the time for making frozen slices is saved, the working efficiency is improved, the compressor is not prone to failure during refrigeration, and the operation is stable and safe.

1. The invention aims to realize the purpose, which comprises two sets of refrigeration systems, wherein the refrigeration system A comprises a compressor, a condenser, a filter, an electromagnetic valve, a capillary tube, a cold stage 1 evaporator, a cold stage 2 evaporator, a cold chamber evaporator and a gas return pipe; the refrigeration system B comprises a compressor, a condenser, a filter, an electromagnetic valve, capillary tubes, a cold head evaporator, a cold knife evaporator, an anti-rolling plate evaporator and an air return pipe, and is characterized in that the compressor is connected with the condenser, the filter and the electromagnetic valve through pipelines, the non-electrified end of the electromagnetic valve is connected with two capillary tubes, one of the capillary tubes is connected with the evaporator of the cold platform 2, and the other capillary tube is connected with the evaporator of the cold chamber; the electrified end of the electromagnetic valve is connected with the evaporator of the cold stage 1 through a capillary tube, the evaporator of the cold stage 2, the evaporator of the cold chamber and the evaporator of the cold stage 1 are respectively connected with a compressor through an air return pipe, a refrigerant is pumped into a condenser by the compressor, then enters the electromagnetic valve through a filter, then enters the first capillary tube and the second capillary tube at the end of the electromagnetic valve where the electricity is not electrified, the two capillary tubes are simultaneously sprayed, the evaporator of the cold stage 2 and the evaporator of the cold chamber which are connected with the capillary tubes are simultaneously refrigerated, the third capillary tube at the end of the electromagnetic valve where the electricity is switched enters is connected with the evaporator of the cold stage 1 for refrigeration, and the refrigerant returns to the compressor again after the; a compressor in a refrigerating system B is connected with a condenser, a filter and an electromagnetic valve through pipelines, one end of the electromagnetic valve which is not electrified is connected with two capillary tubes, the two capillary tubes are respectively connected with a cold knife evaporator and an anti-rolling plate cold stage evaporator, the capillary tube at the electrified end is connected with a cold head evaporator, the cold knife evaporator, the anti-rolling plate evaporator and the cold head evaporator are respectively connected with the compressor through air return pipes, a refrigerant is pumped into the condenser by the compressor, and then enters the two capillary tubes on the electromagnetic valve through the filter, namely a first capillary tube and a second capillary tube, so that the cold knife evaporator and the anti-rolling plate cold stage evaporator are connected. Two capillary tubes spray refrigerants, the first capillary tube is connected with the cold knife evaporator for refrigeration, the second capillary tube is connected with the anti-rolling plate evaporator for refrigeration, the electromagnetic valve is switched to enter the third capillary tube at the other end and enter the cold head evaporator for refrigeration, and the refrigerants return to the compressor again after the three evaporators are integrated into a gas return pipe, so that the six-point refrigerating device integrated with two compressors for freezing is formed.

The invention has the beneficial effects that: the defects in the prior art are overcome, one compressor can be provided with more than three evaporators, multi-point refrigeration is realized, and six-point refrigeration is realized by two compressors. The two sets of refrigeration systems are matched to operate, the compressor and the evaporator are connected through the air return pipe to form a closed loop, energy loss is reduced, the refrigeration speed is high, the refrigeration time of the freezing slicing machine is saved, the working efficiency is improved, the compressor is not prone to failure in refrigeration, and the operation is stable and safe.

Description of the drawings:

FIG. 1 is a schematic diagram of the configuration of refrigeration system A of the present invention

Fig. 2 is a schematic diagram of the construction of the refrigeration system B of the present invention.

Detailed Description

The present embodiment will be further explained with reference to the accompanying drawings

As can be seen from fig. 1, 1 compressor; 2, a condenser; 3, a filter; 4, an electromagnetic valve; 5a of a first cooling platform evaporator, 5b of a second cooling platform evaporator, 6a of a first capillary tube, 6b of a second capillary tube, 6c of a third capillary tube, 7 of a cooling chamber evaporator and 8 of an air return pipe;

the compressor 1 is connected with the condenser 2, the filter 3 and the electromagnetic valve 4 through pipelines, the electromagnetic valve 4 is connected with the first cold chamber evaporator 7 through a first capillary tube 6a, the second capillary tube 6b is connected with the first cold stage evaporator 5a, the third capillary tube 6c is connected with the second cold stage evaporator 5b, and the three evaporators are all connected with the air return pipe 8. The three evaporators are combined into a gas return pipe, and then the refrigerant returns to the compressor again.

As can be seen from fig. 2, 9 compressor; 10 a condenser; 11 a filter; 12 electromagnetic valves; the capillary tube 13a, the capillary tube 13b, the capillary tube 13c, the cold head evaporator 14, the cold knife evaporator 15, the cold platform evaporator 16 and the air return pipe 17;

the compressor 9 is connected with the condenser 10, the filter 11 and the electromagnetic valve 12 through pipelines, the electromagnetic valve 12 is connected with the cold knife evaporator 15 through a fourth capillary tube 13a, the fifth capillary tube 13b is connected with the anti-rolling plate cold stage evaporator, the sixth capillary tube 13c is connected with the cold head evaporator 14, and the three evaporators are all connected with the air return pipe 17. The three evaporators are combined into a gas return pipe, and then the refrigerant returns to the compressor again.

As can be seen from fig. 1-2, the working principle of the present invention is,

the compressor in the compressor A system is connected with a condenser, a filter and an electromagnetic valve through pipelines, the non-electrified end of the electromagnetic valve is connected with a capillary tube 6a, the capillary tube 6a is connected with a cold chamber evaporator 7, and a capillary tube 6c is connected with a second cold stage evaporator 5 b. The electrified end of the electromagnetic valve is connected with the capillary tube 6b, the capillary tube 6b is connected with the first cold stage evaporator 5a, the second cold stage evaporator, the cold chamber evaporator and the first cold stage evaporator are respectively connected with the compressor through air return pipes, the refrigerant is pumped into the condenser by the compressor and enters the electromagnetic valve through the filter, then the refrigerant enters the capillary tube 6a and the capillary tube 6c at the end, where the electromagnetic valve is not electrified, the two capillary tubes simultaneously spray the refrigerant, the second cold stage evaporator 5b and the cold chamber evaporator 7 simultaneously refrigerate, the electromagnetic valve is converted and then enters the capillary tube 6b at the end, where the electromagnetic valve is electrified, and the capillary tube 6b and the first cold stage evaporator are connected to spray the refrigerant, the first cold stage evaporator refrigerates, and the refrigerant returns to. This is a set of circulation systems.

The compressor in the refrigerating system B is connected with the condenser, the filter and the electromagnetic valve through pipelines, the non-electrified end of the electromagnetic valve is connected with the capillary tube 13a, the capillary tube 13a is connected with the cold knife evaporator 15, and the capillary tube 13B is connected with the anti-rolling plate evaporator 16. The electrified end of the electromagnetic valve is connected with the capillary tube 13c, the capillary tube 13c is connected with the cold head evaporator 14, the refrigerant is pumped into the condenser by the compressor, then enters the two capillary tubes on the electromagnetic valve through the filter, the capillary tube 13a and the capillary tube 13b are respectively, the refrigerant is sprayed by the two capillary tubes at the same time, the cold knife evaporator 15 and the anti-rolling plate cold platform evaporator 16 which are connected with the capillary tubes are refrigerated at the same time, the capillary tube 13c which enters the electrified end after the electromagnetic valve is converted is connected with the cold head evaporator to spray the refrigerant, the cold head evaporator is refrigerated, and the refrigerant returns to the compressor again after the three evaporators are turned into a. This is yet another set of circulation systems.

The refrigerating system A and the refrigerating system B can realize the six-point refrigerating function when running together.

And an additional capillary tube can be expanded to eight-point refrigeration in the system operation.