CN1699893A

CN1699893A - Electronic vacuum sterilizing fresh-keeping and energy-saving refrigerator

Info

Publication number: CN1699893A
Application number: CNA2004100231981A
Authority: CN
Inventors: 宣昌黎
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-17
Filing date: 2004-05-17
Publication date: 2005-11-23
Anticipated expiration: 2024-05-17
Also published as: CN1318811C

Abstract

This invention relates to an electronic vacuum disinfection freezer with fresh-keeping and energy conserving functions. It comprises the box, the vacuum refrigeration system, the vacuum system, the vacuum disinfection system, the chest eliminating pressure system and the electronic control circuit. This freezer has two vacuum chambers; the upper chamber is the vacuum refrigeration chamber, the down chamber is the vacuum disinfection chamber, wherein the vacuum refrigeration system comprises the refrigeration compressor, the electronic thermoregulator, the evaporator, the condenser and the vacuum chamber. The vacuum system controlled by the electronic control circuit uses the vacuum pump to connect to the voltage-stabilized box and the vacuum watch through the vacuum pipe, and connects to the two chambers with the chest eliminating pressure pipe through the single direction valve. The vacuum disinfection and fresh-keeping chamber has an ozone motor for circuit control, the two electronic time devices of the eliminating pressure system control the eliminating pressure magnetic valve in the two chambers separately. Touching the related electronic time device for 3 seconds can eliminate the negative pressure in chamber when opening the chamber door. This invention is only for food freezing at high temperature, and it changes the freeing into the vacuum disinfection with fresh-keeping at low temperature.

Description

Electronic vacuum sterilization fresh energy-saving refrigerator

Technical field

The present invention relates to refrigerator, particularly a kind of aseptic vacuum freshness retaining refrigerator.

Background technology

Conventional refrigerator is the shelf time with freezing antibacterial continuity food, the freezing temperature value that continues is the principal element of refrigerator power consumption, and keeping in cold storage also against the nutrition health science to food, because food internal moisture when freezing congeals into ice, thaw back nutrition and pigment can run off and soft color and luster and the freshness of losing of quality with frozen water.

China's utility model patent 02277508.0 discloses a kind of electronic vacuum sterilization fresh energy-saving refrigerator on October 22nd, 2003, the refrigerator of this structure has vacuum sterilization, function such as fresh-keeping, energy-conservation, but also there is following shortcoming in its design: 1. silica gel dual face seals pad is that face contacts with the cabinet frame, does not reach the required seal request of refrigerator thereby reduced pressure; 2. because the vacuum in the vacuum freezing district has possessed heat insulation factor, vacuum heat-insulating layer belongs to design iterations; 3. two index pressure valve have been run counter to the vertical operation principle of check valve and have not been reached seal request in indoor horizontal installation; 4. the charge valve of cabinet catch does not reach seal request because of the vertical operation principle of having run counter to check valve laterally is installed.

Summary of the invention

The object of the present invention is to provide a kind of electronic vacuum sterilization fresh energy-saving refrigerator of good sealing effect.

The objective of the invention is to realize: electronic vacuum sterilization fresh energy-saving refrigerator by following approach, it is made up of disappear pressing system and electronic control circuit of casing, vacuum refrigeration system, evacuation system, vacuum sterilization system, case chamber, it is characterized in that: casing is a double-layer vacuum case cell structure, chamber is the vacuum freezing chamber on it, following chamber is the vacuum sterilization fresh-keeping chamber, and the silica gel door packing and the taper inner-tube mouth of the chamber door of casing is that line contacts design; Vacuum refrigeration system is by electronic temperature control device control refrigeration compressor, and refrigeration compressor is formed vacuum refrigeration system through the condenser tipping indoor evaporimeter of vacuum freezing; The evacuation system of being controlled by electronic control circuit is to connect pressurizer tank and vacuum meter by vavuum pump through evacuation tube, connects the vacuum freezing chamber through check valve with the pressure pipe of finding time to disappear again, and pressure pipe connects the vacuum sterilization fresh-keeping chamber with finding time to disappear; The ozone generator of being controlled by electronic control circuit is installed within the vacuum sterilization fresh-keeping chamber, and forms the vacuum sterilization system with the vacuum tank chamber; The case chamber pressing system that disappears is by electronic timer control magnetic valve, and the pressure pipe that disappears through finding time connects the vacuum sterilization fresh-keeping chamber, electronic timer control magnetic valve, and the pressure pipe that disappears through finding time connects the vacuum freezing chamber; Electronic control circuit is to connect input circuit meets microswitch SS1 again through output circuit input by time relay KT, the output of microswitch SS1 meets ozone generator WE through the closing of contact, pressure switch KP connects input circuit and meets microswitch SS1 through output circuit again, the input of SS2, microswitch SS1, the output of SS2 is through the input of contact KP1, and the output of contact KP1 is through closing of contact vavuum pump M.The case inner bag is that reinforcement pattern vacuum injection forms.

The vacuum freezing chamber of electronic vacuum sterilization fresh energy-saving refrigerator of the present invention aims at the usefulness of megathermal period food refrigeration.Two compartments refrigeration warm area on the chamber; Following two drawers in chamber are freezing warm areas.The vacuum sterilization fresh-keeping chamber aims at the usefulness of food sterilized antistaling and tableware sterilization, indoor each tool closed state of four drawers.The case chamber disappears, and to press what charge into be pure air.Pure air and outdoor air do not possess concurrent condition in the drawer under having the condition of pressure differential.The present invention reduces rated power with vacuum single chamber refrigeration and improves refrigerating efficiency.Range of application is defined in the megathermal period refrigeration reaches the super energy-conservation purpose of imitating year refrigeration work day to reduce.Vacuum possesses antibacterial, and the constant temperature factor is the natural technical conditions of food fresh keeping.

Description of drawings

Below in conjunction with accompanying drawing the present invention is described in further detail:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic appearance of the present invention;

Fig. 3 is a side cutaway view of the present invention;

Fig. 4 is a vacuum sterilization fresh-keeping chamber top plan view of the present invention;

Fig. 5 is the circuit diagram of electronic control circuit 20 of the present invention.

The specific embodiment

Shown in Figure 3 as Fig. 1 Fig. 2, electronic vacuum sterilization fresh energy-saving refrigerator of the present invention is by vacuum freezing chamber 3, vacuum sterilization fresh-keeping chamber 4, and chamber door 23 and electromechanical area 15 are formed casings.By compressor 17, electronic temperature control device 19, evaporimeter 25, condenser 26 is formed refrigeration system.The evacuation system of being controlled by electronic control circuit 20 is to connect pressurizer tank 8 and electric contact vacuum meter 22 by vavuum pump 16 through evacuation tube 14, and through the check valve 21 and the pressure pipe 9 of finding time to disappear, the pressure pipe 10 of finding time to disappear connects vacuum freezing chamber 3 and vacuum sterilized antistaling chamber 4 respectively again.The purposes of two check valves 21 is that the control air can not be back to another case chamber when unpacking door.The ozone generator of being controlled by electronic control circuit 20 18 is installed within the vacuum sterilization fresh-keeping chamber 4 and forms disinfection system.The case chamber pressing system that disappears is that the pressure pipe that disappears through finding time 10 connects vacuum sterilization fresh-keeping chambers 4 by electronic timer 1 control magnetic valve 11, electronic timer 2 control magnetic valves 12, and the pressure pipe that disappears through finding time 9 connects vacuum freezing chambers 3.Icon 13 is air cleaners.Touch the associated electrical timer when unpacking door and eliminate negative pressure in the case 3 seconds.

As shown in Figure 4, in order to reach the negative pressure intensity and the seal request of vacuum tank chamber, case inner bag 24 adopts reinforcement pattern vacuum injection, and the silica gel door packing 7 of chamber door 23 adopts line to contact and designs with the pressure power that increases permanent magnetic strip 6 with taper inner-tube mouth 27 and reaches lasting sealing effectiveness.Body structure is respectively case inner bag 24 from inside to outside, foaming layer 28, case shell 5.

As shown in Figure 5, the circuit working program is as follows during this product work: close chamber door 23, microswitch SS1, the SS2 closure, power connection, time relay KT work makes contact KT1 closure, ozone generator WE energising produces ozone, when ozone dosage reaches 1 cubic centimetre of 8-10 milligram hour and reaches setting-up time.Contact KT1 disconnects voluntarily, and ozone generator WE quits work, and its time control can be set by the ozone dosage requirement.Pressure switch KP work simultaneously, make contact KP1 closure, vavuum pump energising work is found time, the indoor vacuum values of vacuum meter indication case, when vacuum reaches setting value (20000 Pascal), pressure switch KP quits work, contact KP1 disconnects voluntarily, vavuum pump M quits work, and when descending 5000 Pascals as if the indoor vacuum values of case, then this circuit repeats above-mentioned working procedure again.Guarantee that the indoor vacuum values of case keeps design objective.

Claims

1. electronic vacuum sterilization fresh energy-saving refrigerator, it is made up of disappear pressing system and electronic control circuit of casing, vacuum refrigeration system, evacuation system, vacuum sterilization system, case chamber, it is characterized in that: casing is a double-layer vacuum case cell structure, chamber is vacuum freezing chamber (3) on it, following chamber is vacuum sterilization fresh-keeping chamber (4), and the silica gel door packing (7) of the chamber door of casing (23) contacts design with taper inner-tube mouth (27) for line; Vacuum refrigeration system is by electronic temperature control device (19) control refrigeration compressor (17), refrigeration compressor (17) in condenser (26) tipping vacuum freezing chamber (3) evaporimeter (25) and the composition vacuum refrigeration system; The evacuation system of being controlled by electronic control circuit (20) is to connect pressurizer tank (8) and vacuum meter (22) by vavuum pump (16) through evacuation tube (14), connect vacuum freezing chamber (3) through check valve (21) with the pressure pipe (9) of finding time to disappear again, pressure pipe (10) connects vacuum sterilization fresh-keeping chamber (4) with finding time to disappear; The ozone generator of being controlled by electronic control circuit (20) (18) is installed within the vacuum sterilization fresh-keeping chamber (4), and forms the vacuum sterilization system with the vacuum tank chamber; The case chamber pressing system that disappears is by electronic timer (1) control magnetic valve (11), and the pressure pipe that disappears through finding time (10) connects vacuum sterilization fresh-keeping chamber (4), electronic timer (2) control magnetic valve (12), and the pressure pipe that disappears through finding time (9) connects vacuum freezing chamber (3); Electronic control circuit is to connect input circuit meets microswitch SS1 again through output circuit input by time relay KT, the output of microswitch SS1 meets ozone generator WE through the closing of contact, pressure switch KP connects input circuit and meets microswitch SS1 through output circuit again, the input of SS2, microswitch SS1, the output of SS2 is through the input of contact KP1, and the output of contact KP1 is through closing of contact vavuum pump M.

2. electronic vacuum sterilization fresh energy-saving refrigerator as claimed in claim 1 is characterized in that: case inner bag (24) forms for reinforcement pattern vacuum injection.