CN206371402U - Preserving fruit and vegetable utilizing cover - Google Patents

Abstract

The utility model discloses a kind of preserving fruit and vegetable utilizing cover, it belongs to postharvest technology of fruits and vegetables field.It is solved does not take fruits and vegetables fresh-keeping measure in the prior art, rots quickly, or preservation by low temperature can cause the defect of certain injury from low temperature to fruits and vegetables.Described preserving fruit and vegetable utilizing cover includes framework and cover body, described preserving fruit and vegetable utilizing is covered with least one door and at least one ultraviolet lamp, door is connected through the hinge with framework, and door is provided with door handle, and ultraviolet lamp can send wavelength 185nm and/or wavelength 253.7nm ultraviolet.The utility model is mainly used in the fresh-keeping of fruits and vegetables.

Description

Preserving fruit and vegetable utilizing cover

Technical field

The utility model belongs to postharvest technology of fruits and vegetables field, specifically, more particularly to a kind of preserving fruit and vegetable utilizing cover.

Background technology

At present, with the progress and expanding economy of science and technology, people require more and more higher, the diet of people to food Change from simply having adequate food and clothing to auxotype, not only pursue the demand of food quantity, and be concerned about quality and pattern, economic, material benefit, Convenient food will turn into the object that consumer selects.

Fruit and vegetable preservation needs to reduce the vital movements such as the respiratory metabolism of fruits and vegetables, suppresses microbial activity.In recent years, low temperature is protected Fresh fruit vegetable is more and more more, and it occupies increasingly consequence in the life of people, and preservation by low temperature fruits and vegetables are seen everywhere, it is deep by The welcome of consumer, but preservation by low temperature can cause certain injury from low temperature to fruits and vegetables, and serious loss can be caused to operator, Also a certain degree of interests for affecting consumer.

The various freshs fruit of vegetables in commodity shelf or in goods basin are placed in, preservation measure is not taken typically or takes low The method for preserving of temperature.The fruits and vegetables of preservation measure are not taken, appoint and it is corroded with various microorganisms, rot quickly, it is such as annual October gold autumn, the fresh Chinese chestnut of listing was deposited in goods basin because not any fresh-keeping measure a couple of days begins to go bad, not only shell There is the spot corroded by mould, internal fruit also has certain proportion to start taste change, and the slightly long situation of lay-by time can be extremely bad； Certain injury can be caused to quality and outward appearance again by taking the fruits and vegetables of low-temp antistaling method, therefore, how more preferable fruit and vegetable preservation The difficult point faced as fruits and vegetables operator.

The content of the invention

The purpose of this utility model is to provide a kind of preserving fruit and vegetable utilizing cover, to solve in the prior art not taking fruits and vegetables guarantor Fresh measure, rots quickly, or preservation by low temperature can cause the defect of certain injury from low temperature to fruits and vegetables.

The utility model is realized using following technical scheme:

A kind of preserving fruit and vegetable utilizing cover, including framework and cover body, described preserving fruit and vegetable utilizing are covered with least one door and at least one Branch ultraviolet lamp, door is connected through the hinge with framework, and door is provided with door handle, and ultraviolet lamp can send wavelength 185nm and/or ripple Long 253.7nm ultraviolet.

Further, described preserving fruit and vegetable utilizing is covered with automatic control system, automatic control system include the time relay, Press key contacts switch, switching switch, electric ballast and master switch, ultraviolet lamp, electric ballast, the time relay, switching Switch, pressure key contacts switch and master switch and power supply are sequentially connected by wire and connect, and press key contacts switch simultaneously and electronic ballast Device is connected by wire, and pressure key contacts switch is located at hinge middle-of-chain.

Further, the fluorescent tube of described ultraviolet lamp is U-shaped.

Further, the electrode of described ultraviolet lamp is straight screw electrode.

Further, the electrode of described ultraviolet lamp is that three spiral major-minor tungsten coilings are formed.

Further, the electrode of described ultraviolet lamp is coated with triplex carbonate electronic powder.

Further, the fluorescent tube of described ultraviolet lamp is high purity quartz glass-tube.

Further, the caliber of described high purity quartz glass-tube is 5~7mm, and pipe range is 500~750mm, high purity quartz glass Pipe has carried out high deshydroxy processing, and its hydroxy radical content is not more than 5ppm.

Further, the mode of described electric ballast driving ultraviolet lamp is that one-to-one or one drag how cloudy without filament heat Pole starts and burning-point.

Further, the cover body and door are made using common soda lime glass material.

Compared with prior art, the beneficial effects of the utility model are：

Using the characteristic of ultraviolet, microorganism is killed, preserving fruit and vegetable utilizing can be effectively carried out, it is to avoid do not taken under normal temperature Measure causes the problem of fruits and vegetables rot quickly, meanwhile, overcome the defect that low temperature easily causes injury from low temperature to fruits and vegetables.If There is automatic control system, automatic intermittent pattern and normally-open normally-close pattern can be selected as needed, no matter under any pattern, when When opening door, ultraviolet lamp is closed, and prevents from damaging staff or customer.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is automatic control system elementary diagram of the present utility model.

Fig. 3 is the schematic diagram for dragging three electric ballasts that discrete component in embodiment 1 is constituted.

Fig. 4 is the schematic diagram for dragging five electric ballasts that integrated circuit in embodiment 2 is constituted.

In figure：1st, door；2nd, door handle；3rd, pressure key contacts switch；4th, hinge；5th, ultraviolet lamp；6th, cover body；7th, framework；8, Electric ballast；9th, the time relay；10th, switching switch；11st, power supply；12nd, master switch.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment 1

A kind of preserving fruit and vegetable utilizing cover, including framework 7 and cover body 6, cover body 6 are fixed on framework 7, described preserving fruit and vegetable utilizing A door 1 and three ultraviolet lamps 5 are covered with, door 1 is connected with framework 7 by hinge 4, door 1 is provided with door handle 2, ultraviolet Lamp 5 can send wavelength 185nm and wavelength 253.7nm ultraviolet.

Embodiment 2

As shown in figure 1, a kind of preserving fruit and vegetable utilizing cover, including the cover body 6 that framework 7 and common soda-lime glass make, cover body 6 is pacified Dress is fixed on framework 7, and the material of framework 7 is metallic aluminium or stainless steel, and preserving fruit and vegetable utilizing is covered with a door 1 and three ultraviolets Lamp 5, door 1 is made by common soda-lime glass, and door 1 is connected with framework 7 by hinge 4, and door 1 is provided with door handle 2, ultraviolet Line lamp 5 can send wavelength 185nm and wavelength 253.7nm ultraviolet.Described preserving fruit and vegetable utilizing is covered with automatic control system, from Autocontrol system includes the time relay 9, pressure key contacts switch 3, switching switch 10, electric ballast 8, master switch 12, ultraviolet Line lamp 5, electric ballast 8, the time relay 9, switching switch 10, pressure key contacts switch 3, master switch 12 and power supply 11 are by leading Line, which is sequentially connected, to be connect, and pressure key contacts switch 3 is connected with electric ballast 8 by wire simultaneously, and pressure key contacts switch 3 is located at hinge The centre of chain 4, the i.e. framework 7 provided with hinge 4 and the gap location of door 1.Switching switch 10, provided with two kinds of mode of operations, is respectively certainly Dynamic intermittent mode and normally-open normally-close pattern, switch on power after 11, open master switch 12, in normally-open normally-close pattern, time relay Device 9 does not work, and ultraviolet lamp 5 is often bright or normally closed, and in automatic intermittent pattern, the time relay 9 works, can be according to setting Time control ultraviolet lamp 5 be turned on and off.The fluorescent tube of described ultraviolet lamp 5 is U-shaped high purity quartz glass-tube, and it is carried out High deshydroxy processing, hydroxy radical content is not more than 5ppm, and caliber is 6mm, and pipe range is 700mm.The electricity of described ultraviolet lamp 5 Pole is the straight screw electrode for being coated with triplex carbonate electronic powder of three spiral major-minor tungsten coilings.Described electronic ballast The mode of the driving ultraviolet lamp 5 of device 8 drags three to start without filament hot cathode and burning-point for one.

As shown in Fig. 2 the electric ballast 8 of the present embodiment drags three electric ballasts 8 using the one of discrete component composition, it is preceding What circuit of face, such as EMC, rectification, filtering, power factor regulating circuit, with bidirectional trigger diode DB3, resistance R1, resistance R2, electric capacity C5, the trigger starting circuit of diode D10 compositions, magnetic ring transformer TK, bipolarity triode Q1, the pole of bipolarity three Pipe Q2, resistance R3, resistance R4, resistance R5, resistance R6, diode D12, diode D13, electric capacity C7, the switch of electric capacity C8 compositions Circuit and the circuit of typical high power energy-saving lamp electronic ballast 8 are similar；But with choke induction L3, choke induction L4, chokes Inductance L5, capacitance C12, capacitance C13, resonant capacitance C9, resonant capacitance C10, resonant capacitance C11, Lamp 1, The load circuit of Lamp2, Lamp3 composition meets the super of the application selection using the circuit theory without filament hot cathode of innovation Thin ultraviolet lamp 5 has abandoned filamentray structure, the characteristics of lamp tube ends only have negative electrode in tube design manufacture craft.It is described Double pole triode Q1, double pole triode Q2 constitute on-off circuit, will be cut by the I-shaped inductance L2 HVDCs exported High-frequency and high-voltage exchange is changed to, high-frequency high-voltage current flows alternately through magnetic ring transformer TK primary side, choke induction L3, choke induction L4, choke induction L5, capacitance C12, capacitance C13, resonant capacitance C9, resonant capacitance C10, resonant capacitance C11, Lamp 1st, Lamp2, Lamp3 trigger resonance, puncture lamp tube ends cathodic discharge, and negative electrode quickly forms cathode hot spot and launches thermoelectricity Subflow, all ultraviolet lamps 5 put a job into arc light.

Embodiment 3

In addition to electric ballast 8, the structure and the phase of above-described embodiment 2 of the ultraviolet preserving fruit and vegetable utilizing cover that the present embodiment is provided Together, it will not be repeated here.

In the present embodiment, using the electric ballast 8 driven by IC (Integrated Circuit, integrated circuit), As shown in figure 3, an electric ballast 8 drives five ultraviolet lamps 5.IC chip be divided into above and below two panels, i.e., upper piece SUE1001 and bottom sheet SEU1002B, upper piece SUE1001 and bottom sheet SEU1002B drives metal-oxide-semiconductor in turn, and low-frequency high-voltage direct current is turned It is changed to high-frequency ac.Described SEU1002B includes 555 clock oscillators, and 555 clock oscillators are used to export fixed vibration The fixed frequency that frequency, resonance and the working frequency imported are selected when being design, can disposably puncture lamp tube ends igniting, Negative electrode, which starts, to catch fire almost without glow discharge, close to be directly entered arc discharge.The IC chip is using floating ground work Skill is designed and produced.IC chip obtains starting current from diode D6 by resistance R13 and started working, bottom sheet SEU1002B's PFC ports output PFC power factor adjustment square-wave signals, by controlling metal-oxide-semiconductor Q3 and peripheral circuit by rectification electrochemical capacitor Filtered low power factor is adjusted to PF values more than 99.8, while VD is raised, rise size sight path is born Carry watt level and use the pipe of fluorescent tube to press and design and determine；Upper piece SUE1001 and bottom sheet SEU1002B is respectively to metal-oxide-semiconductor Q1 Lead to and end square-wave signal with metal-oxide-semiconductor Q2 output wheels conductance, DC high-voltage circulation is changed to high-frequency and high-voltage alternating current, triggered Based on the load circuit resonance of ultraviolet lamp 5 and puncture the two ends negative electrode of fluorescent tube, launch thermionic current so that ultraviolet lamp 5 work from the arc discharge of maintenance hot cathode.Adjustment changes the frequency of electric ballast 8, it is only necessary to by under IC chip Piece SEU1002B frequency adjustment port CT outer meeting resistance R9 resistance changes.The fluorescent tube of same quality uses integrated circuit structure instead Into electric ballast 8 drive after the life-span at least improve 2~3 times.The good fluorescent tube of technology controlling and process, using without filament connection, resonance Filament is removed and has divided the drawbacks of taking resonant energy, the quick perforation ignition of energy forms hot cathode transmitting thermionic current, comparable to follow biography The filament of system technology delays fluorescent tube light decay, prolonging lamp tube with the electric ballast 8 that negative electrode coenosarc electrode start-up mode is designed and produced Life-span.

During using the utility model preserving fruit and vegetable utilizing cover lid, door 1 can be raised directly, it is not necessary to which removing fresh-keeping canopy can be square Just fruits and vegetables are put into shelf, goods basin, or fruits and vegetables are taken out into shelf, goods basin；No matter under which kind of mode of operation, when opening door When 1, pressure key contacts in automatic control system switch 3 will be worked, and cut off the electricity supply 11, and ultraviolet lamp 5 is closed.

Ultraviolet lamp 5 is when carrying out sterilizing, and people pay attention to the radiation that wavelength is 253.7nm, despise or even abandon ripple A length of 185nm vacuum ultraviolets produce ozone function, and the utility model is negated to this prejudice.

The illustrative embodiments that above example is merely to illustrate that principle of the present utility model and used, and this reality It is not limited thereto with new.For those skilled in the art, do not depart from it is of the present utility model spirit and In the case of essence, various modifications and improvement can be made, these modification and improvement are also considered as protection domain of the present utility model.

Claims (10)

1. a kind of preserving fruit and vegetable utilizing cover, including framework (7) and cover body (6), it is characterised in that：Described preserving fruit and vegetable utilizing is covered with least One door (1) and at least one ultraviolet lamp (5), door (1) are connected with framework (7) by hinge (4), and door (1) is provided with door knob Hand (2), ultraviolet lamp (5) can send wavelength 185nm and/or wavelength 253.7nm ultraviolet.

2. preserving fruit and vegetable utilizing cover according to claim 1, it is characterised in that：Described preserving fruit and vegetable utilizing is covered with to automatically control System, automatic control system include the time relay (9), pressure key contacts switch (3), switching switch (10), electric ballast (8) and Master switch (12), ultraviolet lamp (5), electric ballast (8), the time relay (9), switching switch (10), pressure key contacts switch (3) it is sequentially connected and is connect by wire with master switch (12) and power supply (11), pressure key contacts switch (3) is while and electric ballast (8) it is connected by wire, pressure key contacts switch (3) is located at the centre of hinge (4).

3. preserving fruit and vegetable utilizing cover according to claim 1 or 2, it is characterised in that：The fluorescent tube of described ultraviolet lamp (5) is U Type.

4. preserving fruit and vegetable utilizing cover according to claim 3, it is characterised in that：The electrode of described ultraviolet lamp (5) is straight spiral shell Revolve electrode.

5. preserving fruit and vegetable utilizing cover according to claim 4, it is characterised in that：The electrode of described ultraviolet lamp (5) is three spiral shells Rotation major-minor tungsten coiling is formed.

6. preserving fruit and vegetable utilizing cover according to claim 5, it is characterised in that：The electrode of described ultraviolet lamp (5) is coated with Triplex carbonate electronic powder.

7. preserving fruit and vegetable utilizing cover according to claim 6, it is characterised in that：The fluorescent tube of described ultraviolet lamp (5) is high-purity Quartz glass tube.

8. preserving fruit and vegetable utilizing cover according to claim 7, it is characterised in that：The caliber of described high purity quartz glass-tube be 5~ 7mm, pipe range is 500~750mm, and high purity quartz glass-tube has carried out high deshydroxy processing, and its hydroxy radical content is not more than 5ppm.

9. the preserving fruit and vegetable utilizing cover according to claim 2 or 8, it is characterised in that：Described electric ballast (8) driving is ultraviolet The mode of line lamp (5) is that one-to-one or one drag many start without filament hot cathode and burning-point.

10. preserving fruit and vegetable utilizing cover according to claim 9, it is characterised in that：The cover body (6) and door (1) use common sodium Lime glass material makes.