CN1261333C - Green vacuum fresh-keeping complete equipment - Google Patents
Green vacuum fresh-keeping complete equipment Download PDFInfo
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- CN1261333C CN1261333C CN 200410013945 CN200410013945A CN1261333C CN 1261333 C CN1261333 C CN 1261333C CN 200410013945 CN200410013945 CN 200410013945 CN 200410013945 A CN200410013945 A CN 200410013945A CN 1261333 C CN1261333 C CN 1261333C
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- vacuum
- control circuit
- sensing element
- cabinet
- strut bar
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Abstract
The present invention relates to vacuum fresh keeping complete equipment which belongs to the technical field of food preservation facilities. The equipment is composed of a cabinet body and a monitoring system. An adjustable support piece composed of a support piece, a fixed piece and a support rod is arranged between the inner wall and the outer wall. The fixed piece is fixed on the inner wall, and is in threaded connection with the support rod, and the support piece is sheathed at the front end of the support rod, and is tightly attached to the inner surface of an outer wall plate. The monitoring system comprises a sensing element for monitoring the vacuum degree, the temperature and the humidity, a microprocessor control circuit, a vacuum generating device, a temperature regulating device and a humidifying drying device, wherein the sensing element for monitoring the vacuum degree, the temperature and the humidity is placed in the cabinet body. The monitoring system comprises a sensing element for monitoring the vacuum degree, the temperature and the humidity, a microprocessor control circuit, a vacuum generating device, a temperature regulating device, a humidifying drying device and a strain sensing element fixed on the support rod, wherein the sensing element for monitoring the vacuum degree, the temperature and the humidity is placed in the cabinet body; the signal output terminal of the strain sensing element is connected to the corresponding signal receiving terminal of the control circuit. The adjustable support piece and the strain sensing element are artfully arranged, the electromechanical structures are organically and scientifically combined, and the problem that the cost of large-capacity equipment for storing fruit and vegetable food is high is reasonably solved. After being presented, the present invention has wide market prospects.
Description
Technical field
The present invention relates to a kind of freshness preserving equipment of fruit-vegetable food, especially a kind of vacuum freshness retaining complete equipment belongs to food preservation facility technology field.
Background technology
Understand according to the applicant, fruit-vegetable food generally adopts the facility of refrigerator, refrigerator-freezer, icebox, freezer and so at present, preserves by mode freezing or refrigeration.Though the preserving type of this class fruit-vegetable food can suppress the breeding of germ, have certain antisepsis, but can not fundamentally stop the corruption of fruit-vegetable food, especially the organic enzyme in the fruit-vegetable food is decomposed in freezing or refrigeration, destroy its nutritional labeling, can't reach fresh-keeping purpose.
Emerging vacuum freshness retaining technology can make fruit-vegetable food enter dormant state, and the long period keeps its organic nutrition composition, and not only can suppress the harmful microbe growth, can also kill spoilage organisms under certain condition, therefore has bright development prospect.
Retrieval finds that this type of patent application is numerous in recent years.For example, application number is 98120002, the applying date is that on 09 18th, 1998 Chinese patent application discloses a kind of vacuum fresh-keeping warehouse with low constant temperature structure, this invention comprises that Ku Nei establishes sensor by the storehouse body of multilayer storehouse wall, insulating foam layer and the insulation interlayer that can vacuumize at random and ground or the movable warehouse of underground dual insulation vacuum freshness retaining that Ku Men forms; Establish threeway or straight-through interface on the body of storehouse, establish control cock and vacuum manometer on the vacuum passage, end is connected with control circuit, vacuum pump, air pump, ozone generator, shutoff valve, realizes centralized control and Decentralization.It is introduced, not freezing during storage food, do not dewater, can guarantee that the food of Long-term Storage is fresh, no bacterium.
In addition, applicant applied for once also that application number is 98111320, the applying date is that on 05 26th, 1998, denomination of invention are the Chinese patent of green vacuum fresh keeping cabinet, this antistaling cabinet comprises cabinet and cabinet door, be provided with vacuum pump, refrigeration part, disinfection parts and at least one vacuum chamber in the cabinet, be full of warm material between vacuum chamber and cabinet, hermatic door is arranged on the vacuum chamber, hermatic door is provided with trigger switch, handle and the connection for bbreather pipe that opens the door, and also is provided with logical true plenum openings and the on gate open air valve and extraneous logical extraneous hole of on gate open air valve and vacuum chamber.Hermatic door is connected with vacuum chamber by the automatic seal hinge, and the vacuum chamber rear portion is provided with automatic control switch.This inventive concept novelty, simple in structure, easy to use, pollution-free, good airproof performance, food fresh-keeping time are long, effective.
Yet along with developing rapidly of supermarket and transportation, the demand of the fresh-keeping facility of high-capacity vacuum is urgent day by day.When adopting prior art to make various fixed types or portable large-scale vacuum freshness preserving equipment, to run into a following technical difficult problem: various parameter control such as low-cost assurance huge storage equipment internal vacuum of volume and humiture are very difficult, especially be easy to produce distortion and leak and cause vacuum generating device works of not stopping work, until the vicious circle of damage.
Summary of the invention
The objective of the invention is to: propose a kind of green vacuum fresh keeping complete equipment that can low-costly guarantee big volume vacuum apparatus manufacturing, operation, thereby satisfy the new demand of economic development fruit fresh food antistaling storing.
In order to reach above purpose, the applicant through conscientiously explore, repetition test, finally find: in the correlative factor of the big volume fresh-keeping effects of many influences such as degree of vacuum, humiture, the most responsive is degree of vacuum, and guarantees that the low-cost key of obtaining the ideal vacuum degree is to guarantee reliable sealing effect.Adopt prior art constructions to be difficult to guarantee the rigidity of big volume storage equipment framing member, therefore bear vacuum pressure, when especially adding factor affecting such as running into extraneous wind-force, deform unavoidably, cause leaking, the vacuum pump continuous firing is still of no avail as a result, operating cost height not only, effect is undesirable, and equipment damages because of vicious circle easily.Take place for fear of this phenomenon, if singly consider from traditional angle---take the seal approach of enough framing members of rigidity and reinforcement during design, certainly will cause manufacturing cost and in the future the traffic cost of mobile unit increase considerably.
In order to solve this difficult problem, the applicant has proposed following technical scheme: green vacuum fresh keeping complete equipment of the present invention is made up of cabinet and monitored control system.Described cabinet by inside and outside wallboard and between heat-insulation layer constitute, the cabinet door is housed on the wallboard, all stud with sealing member between wallboard joint and wallboard and the cabinet door.The adjustable support member that distributes and constitute between the inside and outside wallboard by supporting blade, fixed plate and strut bar, fixed plate is fixed on the inwall, is threaded with strut bar, and the supporting blade cover withstands on the front end of strut bar, is close to the inside face of exterior panel.Described monitored control system comprises degree of vacuum, temperature, the humidity detection senser element that is placed in the cabinet, the microprocessor control circuit of receiving sensor spare monitor signal is controlled by vacuum generating device, temperature control equipment and the humidification airer of control circuit.In addition, also comprise the strain sensing devices that is fixed on the strut bar, the respective signal receiving end of the signal output part connection control circuit of strain sensing devices.
During installation, tighten strut bar by screw thread after, the pressure-bearing of exterior panel is stressed can be delivered to inside panel, thereby inside and outside wallboard is organically combined, and bears vacuum pressure jointly, prevents distortion.Because adjustable support member can arbitrarily distribute as required, therefore can under the situation that increases inside and outside wall panel material thickness and process structure hardly, strengthen its integral rigidity and intensity greatly, even the vacuum freshness retaining equipment of big volume also can be made at low cost.Simultaneously, deflection after the pressure-bearing of inside and outside wallboard is stressed can be sent to control circuit at any time by strain sensing devices, after the microprocessor of this circuit carries out comprehensive analyses to strain parameter and vacuum-degree monitoring data, the output control signal, the mode of operation of decision vacuum generating device, and rationally control humiture, thus the vicious circle state that makes green vacuum fresh keeping complete equipment of the present invention can not be absorbed in not stop pumping vacuum, operating cost economy.
Be not difficult to find out, the present invention has rationally solved the manufacturing cost problem of big volume storage facilities by the ingenious adjustable support member that is provided with, and has guaranteed under the prerequisite that does not increase the unit manufacturing cost, make cabinet obtain enough rigidity and intensity, and then guaranteed reliable sealing effect.Meanwhile, the setting of strain sensing devices on the adjustable support member, with electromechanical structure organically science combine, guaranteed the equipment normal operation, reduced operating cost, avoided vacuum generating equipment to be absorbed in endless loop and damaged.
In a word, above technical scheme of the present invention has scientifically solved a big volume fruit-vegetable food storage equipment cost degradation difficult problem, thereby adapts to the economic fast speed development of China.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the embodiment of the invention one---the overall structure scheme drawing of 500 cubes of large-scale green vacuum fresh keeping complete equipments.
Fig. 2 is the mounting structure scheme drawing of Fig. 1 embodiment adjustable support member.
Fig. 3 is the schematic diagram of Fig. 1 embodiment monitored control system.
Fig. 4 is a strain signal input circuit schematic diagram among Fig. 3.
Fig. 5 is the embodiment of the invention two---the overall structure scheme drawing of 40 cubes of large-scale green vacuum fresh keeping cars.
The specific embodiment
Embodiment one
The green vacuum fresh keeping complete equipment of present embodiment is made up of cabinet and monitored control system.
Cabinet as depicted in figs. 1 and 2, by inside and outside wallboard 1,2 and between heat-insulation layer 3 constitute.Cabinet door 4 is housed on the wallboard, all studs with sealing member 5 between wallboard joint and wallboard and the cabinet door.Distribution adjustable support member 6 between the inside and outside wallboard 1,2.
As shown in Figure 2, adjustable support member 6 is made of fixed plate 6-1, strut bar 6-2, supporting blade 6-3.Fixed plate 6-1 according to the design needs be distributed in cabinet member rigidity or strength weak place, be welded on inside panel 1 outside, with strut bar 6-2 by being threaded.Be shaped on boss on the supporting blade 6-3, be shaped on little ball-and-socket at the bottom of the blind hole hole in the boss.During installation, supporting blade 6-3 simultaneously is close to the inside face of exterior panel 2.The end of strut bar 6-2 is made bulb, is inserted in the blind hole of supporting blade 6-3 boss, withstands on the little ball-and-socket, has desirable Self-centering Action.Strut bar 6-2 shore supporting blade 6-3 and regulate suitable after, with nut 6-4 and tight.The middle part of strut bar 6-2 is shaped on necking section, and necking section one side is pasted with the strain-gauge 7 (R1) to control circuit output strain signal.
Monitored control system comprises vacuum sensor V, the temperature sensor T, the humidity sensor H that are placed in the cabinet as shown in Figure 3, and is placed in the strain gauge S on the adjustable support member.These senser elements send the corresponding monitor signal that collects through separately the input circuit microprocessor P in control circuit C respectively, after microprocessor P is according to default the processing, the output control signal, control vacuum generating device, temperature control equipment and humidity control apparatus respectively, and relevant image data and monitor message are outputed to upward demonstration of read-out M.
Especially need to prove, the strain signal input circuit as shown in Figure 4, strain resistor R1 constitutes bridge circuit with permanent resistor R2, R3, R4 respectively, its mouth is through the microprocessor chip P of op amp IC3 connection control circuit C.When cabinet is subjected to vacuum pressure or be subjected to the influencing of factors such as extraneous wind-force, stress deformation will take place in adjustable support member, strain-gauge produces correspondent voltage signal Ei in bridge circuit as a result, this signal is transported to the microprocessor chip and the degree of vacuum detection signal Coordination Treatment of control circuit after op amp IC3 amplifies.
Obviously, when present embodiment is installed, tighten strut bar by screw thread after, the pressure-bearing of exterior panel is stressed can be delivered to inside panel, thereby inside and outside wallboard is organically combined, and bears vacuum pressure jointly, prevents distortion.Like this, as long as adjustable support member rationally is set, even volume is bigger, also needn't be for increasing material thickness and taking extra reinforcement measure obviously to increase manufacturing cost.
Simultaneously, deflection after the pressure-bearing of inside and outside wallboard is stressed can be sent to control circuit at any time by strain sensing devices, after the microprocessor of this circuit carries out comprehensive analyses to strain parameter and vacuum-degree monitoring data, the mode of operation of decision vacuum generating device, so the vicious circle state that can not be absorbed in not stop pumping vacuum, operating cost economy.Specifically, under normal circumstances, stress signal strengthens according to certain rules with the increase of degree of vacuum, as long as the tolerance band of stress value under the leakage limit, microprocessor will be controlled vacuum pump, reach requirement until degree of vacuum.As running into unexpected factor therebetween, for example run into high wind or the cabinet part is impaired, stress value surpasses and leaks the limit, and in the time of might leaking, microprocessor will be by monitoring that screen send caution, and the prompting staff takes corresponding measure.Strengthen when stress value is lasting, vacuum pump is operated at full capacity, and degree of vacuum no longer improves, and in the time of promptly might producing vicious circle, microprocessor will send alerting signal, and halt system work under the limiting conditions of setting, until recovering normal.
Be not difficult to find out, in this enforcement by the ingenious adjustable support member that electromechanical integration is set, rationally solve the low cost manufacturing and the operation problem of big volume vacuum storage facility, thereby stored in a large number and created advantage for fruit-vegetable food, thereby satisfied the economic fast speed development need of China.
Embodiment two
The basic condition of the green vacuum fresh keeping complete equipment of present embodiment is identical with embodiment one, and difference is that entire equipment is placed on the vehicle body, thus constitute can long-distance transport green vacuum insurance car.
Comprise the foregoing description, the present invention has developed eight big series of products altogether, that is:
1, the large-scale storage cabinet of green vacuum fresh keeping (fresh-keeping warehouse);
2, the commercial cabinet special of green vacuum fresh keeping;
3, green vacuum fresh keeping transportation cabinet (fresh-keeping vehicle);
4, green vacuum fresh keeping supermarket cabinet;
5, green vacuum fresh keeping Household cabinet (antistaling box);
6, green vacuum fresh keeping packing cabinet special;
7, green vacuum fresh keeping flowers cabinet;
8, green vacuum tea fresh keeping case.
Claims (5)
1. a green vacuum fresh keeping complete equipment is made up of cabinet and monitored control system; Described cabinet by inside and outside wallboard and between heat-insulation layer constitute, the cabinet door is housed on the wallboard, all stud with sealing member between wallboard joint and wallboard and the cabinet door; Described monitored control system comprises degree of vacuum, temperature, the humidity detection senser element that is placed in the cabinet, the microprocessor control circuit of receiving sensor spare monitor signal is controlled by vacuum generating device, temperature control equipment and the humidification airer of control circuit; It is characterized in that: the adjustable support member that distributes and constitute between the described inside and outside wallboard by supporting blade, fixed plate and strut bar, fixed plate is fixed on the inwall, is threaded with strut bar, and the supporting blade cover withstands on the front end of strut bar, is close to the inside face of exterior panel; Described monitored control system also comprises the strain sensing devices that is fixed on the strut bar, the respective signal receiving end of the signal output part connection control circuit of described strain sensing devices.
2. according to the described green vacuum fresh keeping complete equipment of claim 1, it is characterized in that: be shaped on boss on the described supporting blade, be shaped on little ball-and-socket at the bottom of the blind hole hole in the described boss, an end of described strut bar is made bulb, be inserted in the blind hole of supporting blade boss, withstand on the little ball-and-socket.
3. according to the described green vacuum fresh keeping complete equipment of claim 2, it is characterized in that: the middle part of described strut bar is shaped on necking section, and described necking section one side is pasted with the strain-gauge to control circuit output strain signal.
4. according to the described green vacuum fresh keeping complete equipment of claim 3, it is characterized in that: described strain-gauge resistance and three permanent resistors constitute bridge circuit, and its mouth is through the microprocessor chip of op amp connection control circuit.
5. according to claim 1,2 or 3 described green vacuum fresh keeping complete equipments, it is characterized in that: be placed on the vehicle body, constitute transport vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410013945 CN1261333C (en) | 2004-01-18 | 2004-01-18 | Green vacuum fresh-keeping complete equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410013945 CN1261333C (en) | 2004-01-18 | 2004-01-18 | Green vacuum fresh-keeping complete equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1557687A CN1557687A (en) | 2004-12-29 |
| CN1261333C true CN1261333C (en) | 2006-06-28 |
Family
ID=34351199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410013945 Expired - Fee Related CN1261333C (en) | 2004-01-18 | 2004-01-18 | Green vacuum fresh-keeping complete equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1261333C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180312A (en) * | 2011-02-11 | 2011-09-14 | 山东省农业科学院农产品研究所 | Pressure-adjustable temperature and humidity control freshness preservation box |
| CN104943990B (en) * | 2015-04-29 | 2017-08-15 | 广东中南人力资源有限公司 | A kind of moisture-proof rice case |
| CN110322668A (en) * | 2019-05-23 | 2019-10-11 | 安徽仁裕食品有限公司 | A kind of effective period of food quality system for prompting and method |
| CN111123793A (en) * | 2019-12-29 | 2020-05-08 | 中国科学院西安光学精密机械研究所 | Vacuum test control system and method |
-
2004
- 2004-01-18 CN CN 200410013945 patent/CN1261333C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1557687A (en) | 2004-12-29 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |