CN2621434Y

CN2621434Y - Sterilizing device of icecream maker

Info

Publication number: CN2621434Y
Application number: CN 03243361
Authority: CN
Inventors: 王丽慧; 何唯平
Original assignee: Shenzhen Oceanpower Industrial Co Ltd
Current assignee: Shenzhen Oceanpower Industrial Co Ltd
Priority date: 2003-03-25
Filing date: 2003-03-25
Publication date: 2004-06-30
Anticipated expiration: 2013-03-25

Abstract

The utility model relates to a sterilizing unit for an ice cream machine, which primarily comprises a puffing pump, an evaporator of a refrigeration cylinder and an infrared subsidiary heating device. The utility model is characterized in that a turn of resistance wire is enwound around periphery of a discharge pipe of the puffing pump. A coating which can produce infrared ray is painted on surface of the resistance wire. By adopting the combined heating sterilization mode with a heat pump and infrared ray, mixture in the refrigeration cylinder and a hopper is sterilized under high temperature quickly. The self-circulation function of the puffing pump is used to beat the mixture during heating. The utility model eliminates the defects of conventional sterilizing units that when single refrigerant gas is adopted for heating and sterilization under high temperature, the temperature is low, the heat time is long, and an additional stirring device is added in the hopper, so that the mechanical structure is complicated and so on.

Description

A kind of ice cream maker sterilizing unit

Technical field the utility model relates to a kind of ice cream maker sterilizing unit, especially adopts the ice cream maker sterilizing unit of pasteurize.

The background technology ice cream maker is as a kind of food machinery, and aseptic health is the most basic requirement, so ice cream maker must possess sterilizing function.

In traditional technology, use for reference the heat pump principle of defrost process in the kind of refrigeration cycle, the hot high pressure steam that utilizes compressor to produce directly enters the freezing jar evaporimeter and reaches predetermined sterilization temperature, and mixture is carried out sterilization.In this process, reaching predetermined sterilization temperature will expend for a long time, and the sterilization longer duration, even can postpone once more the freezing time.No matter mixture in freezing jar and the hopper adopts the mode of which kind of pasteurization in addition, all to stir, stick with paste, have a strong impact on ice-cream quality and taste otherwise can cause mixture to become, solve this problem if agitating device is set in hopper, will make the complicated in mechanical structure change.

Defectives such as the temperature that summary of the invention is produced when adopting single high temperature refrigerant gas pasteurization in order to overcome is low, heat time heating time is long, and increase agitating device and cause problem such as complicated in mechanical structure, the utility model discloses a kind of ice cream maker sterilizing unit, on the basis of traditional ice cream heat pump sterilization, adopt heat pump and infrared ray to unite the sterilization mode of heating, mixture in freezing jar and the hopper is carried out the short time high temperature sterilization, utilize the self-loopa function of expanded pump simultaneously, realize stirring mixture in the heating process.

The technical scheme that the utility model adopted is: two magnetic valves have been equipped with in the bottom of freezing jar, and a sterilization controller is arranged between hopper and the freezing jar, and the sterilization controller links to each other by magnetic valve.The sterilization controller is controlled the flow direction of refrigerant by the break-make of control magnetic valve a and magnetic valve b, thereby the decision refrigeration system is operated in refrigerating state or heated condition.Expanded pump communicates by a discharge line and freezing jar, auxiliary heater is to twine resistance wire on the discharge pipe of expanded pump, surface-coated one deck of this resistance wire can produce ultrared material, when resistance wire is switched on, be coated in outer field material and can produce infrared ray, utilize ultrared radiation heating effect, the temperature of expanded pipe the inside just can reach more than 85 ℃ in 5-7 minute, thereby finished high-temperature sterilization.Simultaneously, in the time of in mixture is flowed through expanded pump main arrival freezing jar, mixture can be cooled to 4 ℃ rapidly, has realized the function of pasteurization, and has guaranteed that the ingredients of a mixture is not destroyed.

In order to guarantee the homogeneous heating of mixture in the hopper, the present invention's employing is installed the expanded pump with self-loopa function and is substituted agitator in hopper, in the process of heating mixture is stirred, and sticks with paste to prevent that mixture from becoming.

The beneficial effects of the utility model are: adopt the mode of heat pump and infrared ray combined sterilizing, simple in structure, sterilizing time is short, and can realize quick cooling, satisfies the requirement of pasteurize; Utilize simultaneously to possess the expanded pump of self-loopa function, realized the stirring in the mixture heating process in the hopper has been guaranteed the ingredients of a mixture and local flavor.

Description of drawings Fig. 1 is the utility model sterilization part-structure figure;

Fig. 2 is the utility model refrigeration and sterilizing mechanisms figure;

Fig. 3 is the utility model infrared ray assisted heating device figure.

Wherein, among the figure: 1. the pipe joint 11. hopper evaporimeters 12. freezing jars 13. freezing jar evaporimeters 14. bleeder valves 15. compressors 16. magnetic valve a 17. magnetic valve b 18. condensers 19. pressure-regulating device a20. pressure-regulating device b of discharge pipe 10. discharge pipes of the driving shaft 7. hoppers 8. expanded pump 9. expanded pumps of the suction line 6. expanded pumps of temperature sensor 2. sterilization controllers 3. insulated thermal insulating layer 4. resistance wires 5. expanded pumps

The specific embodiment is described further the utility model below in conjunction with accompanying drawing

Explained the detailed structure view of critical piece such as hopper evaporimeter (7), expanded pump (8), freezing jar evaporimeter (13) and the infrared ray assisted heating device of ice cream maker sterilization heater among Fig. 1.

In Fig. 2, as magnetic valve a (16) and magnetic valve b (17) when closing simultaneously, then ice cream maker is worked under refrigeration modes, promptly the refrigerant of being discharged by compressor (15) arrives the evaporimeter (13) of freezing jar respectively by pressure-regulating device a (19) through condenser (18), realize the refrigeration of mixture: arrive hopper evaporimeter (11) through pressure-regulating device b (20), realization flow back into compressor (15) at last to the precooling function of mixture in the hopper.Mixture in the hopper (7) is realized precooling, can greatly improve the refrigerating efficiency of freezing jar (12).

When ice cream maker is worked under sterilization mode, have two kinds of working methods available:

In Fig. 2, as magnetic valve a (16) and magnetic valve b (17) when opening simultaneously, directly arrive hopper evaporimeter (11) and freezing jar evaporimeter (13) by the high temperature refrigerant of discharging in the compressor (15), be wrapped in infrared heating device (4) energising on the expanded pump main (9) simultaneously, can realize the flow through pasteurization of part of mixture.In order to prevent that the mixture in the hopper from becoming paste in heating process, the pipe joint (10) of expanded pump main can be connected with the discharge pipe disconnection of bottom among Fig. 1, start expanded pump (8), utilize the self-loopa function of expanded pump, make mixture in hopper, flow, played stirring action.

In Fig. 2, when magnetic valve a (16) opens, magnetic valve b (17) is when closing, arrive hopper evaporimeter (11) by the high temperature refrigerant of discharging in the compressor (15), mixture in the hopper is carried out pasteurization, the part cold-producing medium arrives freezing jar evaporimeter (13) through condenser (18), and freezing jar is freezed.Be wrapped in Far-infrared Heating device (4) energising on the expanded pump main (9) this moment, passed through the UHTS in short-term of infrared heating device (4) when discharging through the discharge pipe (9) of expanded pump through the mixture of preheating in hopper so again, can realize quick cooling again after arriving freezing jar, promptly satisfy the temperature requirement of pasteurization, keep the ingredients of a mixture constant again.The opening and closing of magnetic valve a (16) and magnetic valve b (17) are all realized by the control of sterilization controller (2).

In Fig. 3, describe the structure of infrared ray assisted heating device in detail.Go up winding resistance wire (4) at the discharge pipe (9) of expanded pump, surface-coated one deck of this resistance wire can produce ultrared material, when sterilization controller (2) when sending electrical instruction, the resistance wire energising is coated in outer field material and can produces infrared ray, utilizes ultrared radiation effects, just can reach very high temperature at short notice, when mixture is flowed through expanded pump main, promptly passed through the short-term high-temperature sterilization processing, the temperature of this moment can reach more than 85 ℃.Temperature sensor (1) is used for detecting the temperature of expanded pump main outer tube wall, and detection signal is fed back to sterilization controller (2), the conduction time of coming the controlling resistance silk.In order to prevent the resistance wire dissipation of heat energy and to consider, insulation heat-barrier material (3) is arranged at the outer packaging of this assisted heating device from the angle of safety.

Claims

1. ice cream maker sterilizing unit, mainly comprise expanded pump, freezing jar evaporimeter and infrared ray assisted heating device, it is characterized in that, at the peripheral one deck resistance wire that twines of the discharge pipe of expanded pump, form the infrared ray assisted heating device, surface-coated one deck of this resistance wire can produce ultrared material.

2. sterilizing unit as claimed in claim 1 is characterized in that, infrared ray heating servicing unit outer packaging has the insulation heat-barrier material.