CN203629198U - Fresh-keeping sterilization device enabling safe temperature adjustment and timing in interchangeable temperature chamber - Google Patents
Fresh-keeping sterilization device enabling safe temperature adjustment and timing in interchangeable temperature chamber Download PDFInfo
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- CN203629198U CN203629198U CN201320288689.3U CN201320288689U CN203629198U CN 203629198 U CN203629198 U CN 203629198U CN 201320288689 U CN201320288689 U CN 201320288689U CN 203629198 U CN203629198 U CN 203629198U
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- temperature
- changing chamber
- preserving
- lamp
- sterilizing device
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Abstract
The utility model discloses a fresh-keeping sterilization device enabling safe temperature adjustment and timing in an interchangeable temperature chamber. The device is used in the interchangeable temperature chamber, and comprises a gate controlled switch, a manual switch, a main control board, a UV lamp, an LED fresh-keeping lamp and a red warning lamp. The gate controlled switch, the manual switch, the UV lamp, the LED fresh-keeping lamp and the red warning lamp are all in electric connection with the main control board. The gate controlled switch is used for automatically turning on the fresh-keeping sterilization device when the gate of the interchangeable temperature chamber is closed, and forcedly turning off the fresh-keeping sterilization device when the gate of the interchangeable temperature chamber is open. The manual switch is used for forcedly and manually turning off the fresh-keeping sterilization device, when the gate of the interchangeable temperature chamber is in the open state and the gate controlled switch loses efficacy to make the fresh-keeping sterilization device be connected for a long period. The red warning lamp is turned on and off synchronously along with the UV lamp when the gate of the interchangeable temperature chamber is open. The device has the characteristics of being safe and reliable.
Description
Technical field
The utility model relates to refrigerator field, specifically a kind of preserving and sterilizing device and control method thereof that can realize at refrigerator temperature-changing chamber safety temperature adjusting timing.
Background technology
The temperature-changing chamber of present most refrigerator is mainly to realize separately fresh-keeping function or sterilizing function, its mode mainly contains: vacuum zero degree preservation technique: by specific structure fruit and vegetable box structure, reach fresh-keeping in the technology that temperature is obtained and be kept at for a long time 0 ℃ of left and right.Photosynthetic antistaling technology: simulating nature light irradiates and reaches fresh-keeping function vegetables and fruits, it is difficult that this type of fresh-keeping function has design, application limitation, temperature is immutable, high in cost of production shortcoming; The light that has of sterilization moves silver-colored sterilization technology: the catalytic action by blue light to silver ion, and make silver ion more active, effectively antibacterial; The technology that catalyst de-tastes: need circulation wind path master control infiltration each corner of refrigerator by refrigerator inside, mobile cold air reaches deodorization functions in conjunction with cold catalyst etc.It is high that this type of sterilizing function has cost, application type limitation, function singleness, the shortcomings such as mounting complexity.
Utility model content
The weak point that the utility model exists for fear of prior art, the device that provides a kind of fresh-keeping and sterilization of safe and reliable science comparatively speaking to combine.
The utility model technical solution problem adopts following scheme:
A kind of preserving and sterilizing device that can realize at temperature-changing chamber safety temperature adjusting timing, its design feature is, described device is for temperature-changing chamber, described device comprises gate controlled switch, hand switch, master control borad, UV ultraviolet lamp, LED fresh light and red alarm lamp, and described gate controlled switch, hand switch, UV ultraviolet lamp, LED fresh light and red alarm lamp are respectively with described master control borad electrical connection; When closing for temperature-changing chamber door, described gate controlled switch automatically starts preserving and sterilizing device, when temperature-changing chamber door is opened, and positive closing preserving and sterilizing device; Described hand switch causes preserving and sterilizing device in the time of long-term on-state for gate switch failure under temperature-changing chamber door open mode, forces manual-lock preserving and sterilizing device; Described red alarm lamp is in the time of temperature-changing chamber door open mode and UV ultraviolet lamp synchronous opening/closing.
The utility model design feature is also:
Described preserving and sterilizing device is also provided with temperature detect switch (TDS), described temperature detect switch (TDS) considers selection for the actual temperature in temperature value and the temperature-changing chamber set according to temperature-changing chamber and whether starts or stops UV ultraviolet lamp and LED fresh light, and UV ultraviolet lamp starts interval time and opens duration.
Described preserving and sterilizing device also comprises the display floater being arranged on outside temperature-changing chamber, and described display floater is for showing the fault alarm prompting of UV ultraviolet lamp and LED fresh light open/close states and preserving and sterilizing device.
Described display floater is provided with temperature-changing chamber temperature setting button.
A kind of control method that can realize at temperature-changing chamber the preserving and sterilizing of safety temperature adjusting timing is provided simultaneously, and it comprises control device as above, and its concrete control method is as follows:
(1) when temperature-changing chamber door closure state:
(a) in the time of 0 ℃ of temperature-changing chamber design temperature T >, open UV ultraviolet lamp by temperature detect switch (TDS) automatic spacing, described UV ultraviolet lamp opening interval t interval=︱ T+K ︱, opens duration ton=60min; If now meet 0 ℃ of temperature-changing chamber actual temperature t >, automatically open LED fresh light, if now meet temperature-changing chamber actual temperature t≤0 ℃, automatically close LED fresh light;
(b) in the time of temperature-changing chamber design temperature T≤0 ℃, automatically close LED fresh light by temperature detect switch (TDS), no matter 0 ℃ of temperature-changing chamber actual temperature t > or t≤0 ℃; Automatic spacing is opened UV ultraviolet lamp, and described UV ultraviolet lamp opening interval t interval=︱ T+K ︱ opens duration ton=30min;
Described T is temperature-changing chamber design temperature, and t is temperature-changing chamber actual temperature, and K is parameter; The span of K is-20～-50, and ton is the time that UV ultraviolet lamp is opened, and t is spaced apart UV ultraviolet lamp opening interval;
(2) when temperature-changing chamber door is opened:
(a) automatically stop by gate controlled switch the UV ultraviolet lamp moving;
(b) if (a) inefficacy of step gate controlled switch causes UV ultraviolet lamp in the time of long-term opening, can make rapid judgement by fault alarm prompting and the red alarm lamp of display board, then by hand switch positive closing preserving and sterilizing device replacing or maintenance gate controlled switch;
Described temperature detect switch (TDS) is controlled in the following way: the temperature setting button of display board is set after temperature-changing chamber temperature, by serial communication, the temperature information after arranging is sent to master control borad, master control borad receives information and by after processing, controls the action of UV uviol lamp and the corresponding lamp of LED fresh light; Temperature sensor in temperature-changing chamber detects after indoor actual temperature, and signal is reached to master control borad, and master control borad receives information and by after processing, controls the action of UV uviol lamp and the corresponding lamp of LED fresh light;
Described gate controlled switch is controlled in the following way: in the time of switch temperature-changing chamber door, and door lamp switch action, master control borad detects a status signal, then by the corresponding actions of master control borad control UV uviol lamp.
The utility model has solved control law fresh-keeping and that sterilization combines with temperature.Temperature integrated consideration actual in the temperature value of setting by temperature-changing chamber and temperature-changing chamber determines whether to open fresh-keeping LED lamp function, and the temperature of setting by temperature-changing chamber determines to open interval time and the opening time of sterilization UV ultraviolet ray LED lamp.In the time of 0 ℃ of temperature T > that temperature-changing chamber is set, now, temperature-changing chamber uses as refrigerating chamber, and storage purposes can include fresh fruit of vegetables and prepared food and in the time of 0 ℃ of temperature-changing chamber actual temperature t >, open the fresh of fresh-keeping LED lamp function maintenance fruits and vegetables; If fresh-keeping LED lamp function is not just opened in temperature-changing chamber actual temperature t≤0 ℃, because certain fresh-keeping function has just been played in 0 ℃ of left and right itself, if temperature is too low, will freezing fruit and vegetable, now generally user can not put into fruits and vegetables; Simultaneously, for fear of bacteria breed in temperature-changing chamber, eliminate garden stuff pesticide residue, need interval simultaneously to open UV ultraviolet ray LED sterilizing unit, and opening time interval t interval and temperature-changing chamber temperature value be inversely proportional to, temperature is higher, and opening time interval is shorter; Dominated formulate A is t interval=︱ T+K ︱; Unlatching duration is 60min; In the time of temperature T≤0 ℃ that temperature-changing chamber is set, now, temperature-changing chamber is equivalent to do refrigerating chamber and uses, and general deposit is raw meat or quick-frozen food; Temperature is lower, and without opening fresh-keeping LED lamp function, and bacteria breed is slower, should be longer so open the time interval of UV ultraviolet sterilization apparatus.The concrete same A of dominated formulate.At secure context, the utility model adopts double shield: the first weight: when user opens alternating temperature door, from the inside when access food, because ultraviolet ray has injury to human body, and people's naked eyes be cannot see this kind of light, therefore in the time that alternating temperature door is opened, be the UV ultraviolet ray LED lamp that synchronous pressure stops working.The second weight: (a) in the time that door lamp switch lost efficacy, door lamp switch is in the time of long on-state, when temperature-changing chamber door is opened, just, now UV ultraviolet ray LED lamp is worked, and can damage human body, whether now user can observe temperature-changing chamber has ruddiness to send (being red alarm lamp), because in the time of door opening, the work whether unlatching of red alarm lamp has represented UV ultraviolet lamp whether, has been played forewarning function.Now user may be badly in need of taking thing from temperature-changing chamber the inside, and don't wants to come to harm, and can close UV ultraviolet ray LED lamp by hand switch (being located on display board) so, thereby can normally use temperature-changing chamber under the state of emergency; (b) in the time that door lamp switch lost efficacy, door lamp switch is in the time of long off-state, and now UV ultraviolet ray LED lamp is worked never, but display board has open alarm prompting, and reminding user now Men Wei shuts, and shuts if user determines, door switch has fault, needs contact producer to keep in repair.
Accompanying drawing explanation
Fig. 1 is the temperature-changing chamber structure installation diagram of the utility model in common electric control refrigerator;
Fig. 2 is the temperature-changing chamber structure installation diagram of the utility model in wind cooling refrigerator;
Fig. 3 is control block diagram of the present utility model;
Fig. 4 represents the flow chart of the utility model in the control method of common automatically controlled and air-cooled automatically controlled middle temperature-changing chamber sterilizing freshness-retaining device.
By the specific embodiment, technical solutions of the utility model are further explained to explanation below in conjunction with accompanying drawing.
The specific embodiment
Preserving and sterilizing device, for temperature-changing chamber, comprise gate controlled switch, hand switch, master control borad (MCU), UV ultraviolet lamp, LED fresh light and red alarm lamp, described gate controlled switch, hand switch, UV ultraviolet lamp, LED fresh light and red alarm lamp are respectively with described master control borad electrical connection; When closing for temperature-changing chamber door, gate controlled switch automatically starts preserving and sterilizing device, when temperature-changing chamber door is opened, and positive closing preserving and sterilizing device; Hand switch causes preserving and sterilizing device in the time of long-term on-state for gate switch failure under temperature-changing chamber door open mode, forces manual-lock preserving and sterilizing device; Red alarm lamp is in the time of temperature-changing chamber door open mode and UV ultraviolet lamp synchronous opening/closing.
Preserving and sterilizing device is also provided with temperature detect switch (TDS) and display floater, temperature detect switch (TDS) considers selection for the actual temperature in temperature value and the temperature-changing chamber set according to temperature-changing chamber and whether starts or stops UV ultraviolet lamp and LED fresh light, and UV ultraviolet lamp starts interval time and opens duration; Display floater is for showing the fault alarm prompting of UV ultraviolet lamp and LED fresh light open/close states and preserving and sterilizing device; Display floater is provided with temperature-changing chamber temperature setting button.
Fig. 1 is the temperature-changing chamber structure installation diagram of the utility model in common electric control refrigerator.
In Fig. 1, the cold that this chamber obtains from evaporimeter, by the air inlet 3 in air channel and the air outlet 5 in air channel and fan 2 make whole between the cold-hot air convection that forms of chamber.And control the refrigeration situation of fan and whole chamber by temperature sensor 4.The device of timing preserving and sterilizing 1 is arranged on to air outlet 5 belows in air channel.
The feature that the utility model is implemented at common electric control refrigerator, is that whole the air outlet position in chamber carries out sterilization.And fan and sensor are all positioned at the inside, temperature-changing chamber air channel.
Fig. 2 is the temperature-changing chamber structure installation diagram of the utility model in wind cooling refrigerator.
In Fig. 2, this chamber is by alternating temperature air door 7, and cold wind is delivered in alternating temperature air channel 8.Endless form in temperature-changing chamber is from air outlet 5 air-out, at return air inlet 6 place's return air, forms the system of a circulating cold air.And control the opening and closing of alternating temperature air door 7 by temperature sensor 5.The device of timing preserving and sterilizing 1 is arranged on to the top of temperature-changing chamber, near air outlet place.
Fig. 3 is circuit block diagram of the present utility model, this device comprises: the display board that can set compartment temperature, indoor temperature sensor between detection, the power supply of supply working power, detect the door switch whether opening the door, can be in display board the hand switch of positive closing sterilization control device, the UV uviol lamp in preserving and sterilizing device and red alarm lamp and orange fresh light.The fault alarm that can show in display board drives.
Fig. 4 represents the flow chart of the utility model in the control method of common automatically controlled and air-cooled automatically controlled middle temperature-changing chamber preserving and sterilizing device.
The concrete control method of the utility model device is as follows:
(1) when temperature-changing chamber door closure state:
(a) in the time of 0 ℃ of temperature-changing chamber design temperature T >, open UV ultraviolet lamp by temperature detect switch (TDS) automatic spacing, described UV ultraviolet lamp opening interval t interval=︱ T+K ︱, opens duration ton=60min; If now meet 0 ℃ of temperature-changing chamber actual temperature t >, automatically open LED fresh light, if now meet temperature-changing chamber actual temperature t≤0 ℃, automatically close LED fresh light;
(b) in the time of temperature-changing chamber design temperature T≤0 ℃, automatically close LED fresh light by temperature detect switch (TDS), no matter 0 ℃ of temperature-changing chamber actual temperature t > or t≤0 ℃; Automatic spacing is opened UV ultraviolet lamp, and UV ultraviolet lamp opening interval t interval=︱ T+K ︱ opens duration ton=30min;
T is temperature-changing chamber design temperature, and t is temperature-changing chamber actual temperature, and K is parameter; The span of K is-20～-50, and ton is the time that UV ultraviolet ray LED bactericidal lamp is opened, and t is spaced apart UV ultraviolet ray LED bactericidal lamp opening interval;
The temperature that the value of K is set according to temperature-changing chamber is divided into by force, in, weak grade.The temperature range that temperature-changing chamber is set, in the time of 10 ℃～4 ℃, is defined as the prime time, and now K is-25, the temperature range that temperature-changing chamber is set, at 3 ℃～-2 o'clock, is defined as middle-gradely, and now K is-35, the temperature range that temperature-changing chamber is set, in the time of-3 ℃～-7 ℃, is defined as weak shelves: now K is-45;
(2) when temperature-changing chamber door is opened:
(a) automatically stop by gate controlled switch the UV ultraviolet lamp moving;
(b) if (a) inefficacy of step gate controlled switch causes UV ultraviolet lamp in the time of long-term on-state, can make rapid judgement by the prompting of display board fault alarm and red alarm lamp, then pass through hand switch positive closing preserving and sterilizing device or maintenance, replacing gate controlled switch;
Temperature detect switch (TDS) is controlled in the following way: display board is set after temperature-changing chamber temperature, by serial communication, the temperature information after arranging is sent to master control borad, after master control borad receives information and processes by internal processes, control the action of corresponding lamp in UV ultraviolet lamp and fresh light; Temperature sensor in temperature-changing chamber detects after indoor actual temperature, and signal is reached to master control borad, after master control borad receives information and processes by internal processes, controls the action of corresponding lamp in UV ultraviolet lamp and fresh light;
Gate controlled switch is controlled in the following way: in the time of switch temperature-changing chamber door, and door lamp switch action, master control borad detects a status signal, is then killed the action of lamp and fresh-keeping LED lamp by master control borad control UV ultraviolet ray.
Control brief introduction:
1, after display board design temperature, by serial communication, the temperature information after arranging is sent to master control borad, master control borad receives information and by after processing, controls the action of corresponding lamp in LED lamp module.
2, in the time of switch gate, door lamp switch action, master control borad detects a status signal, then by the action of corresponding lamp in control panel control LED lamp module.
3, in refrigerator actual motion, the temperature sensor of electric control refrigerator detects the actual temperature of temperature-changing chamber, and the temperature information detecting is sent to master control borad, and master control borad receives information and by after processing, controls the action of corresponding lamp in LED lamp module.
The said UV ultraviolet ray LED lamp of the utility model and LED fresh light are prior art.
The above; only embodiment of the present utility model; it is not the restriction of the utility model being made to other form; every technical solutions of the utility model content that do not depart from; to any simple modification made for any of the above embodiments, equivalent variations and remodeling, still belong to the protection domain of technical solutions of the utility model according to the technical spirit of utility model.
Claims (4)
1. can realize at temperature-changing chamber the preserving and sterilizing device of safety temperature adjusting timing for one kind, it is characterized in that, described device is for temperature-changing chamber, described device comprises gate controlled switch, hand switch, master control borad, UV ultraviolet lamp, LED fresh light and red alarm lamp, and described gate controlled switch, hand switch, UV ultraviolet lamp, LED fresh light and red alarm lamp are respectively with described master control borad electrical connection; When closing for temperature-changing chamber door, described gate controlled switch automatically starts described preserving and sterilizing device, when temperature-changing chamber door is opened, and positive closing preserving and sterilizing device; Described hand switch causes preserving and sterilizing device in the time of long-term on-state for gate switch failure under temperature-changing chamber door open mode, forces manual-lock preserving and sterilizing device; Described red alarm lamp is in the time of temperature-changing chamber door open mode and UV ultraviolet lamp synchronous opening/closing.
2. a kind of preserving and sterilizing device that can realize at temperature-changing chamber safety temperature adjusting timing according to claim 1, it is characterized in that, described preserving and sterilizing device is also provided with temperature detect switch (TDS), described temperature detect switch (TDS) considers selection for the actual temperature in temperature value and the temperature-changing chamber set according to temperature-changing chamber and whether starts or stops UV ultraviolet lamp and LED fresh light, and UV ultraviolet lamp starts interval time and opens duration.
3. a kind of preserving and sterilizing device that can realize at temperature-changing chamber safety temperature adjusting timing according to claim 1 and 2, it is characterized in that, described preserving and sterilizing device also comprises the display floater being arranged on outside temperature-changing chamber, and described display floater is for showing the fault alarm prompting of UV ultraviolet lamp and LED fresh light open/close states and preserving and sterilizing device.
4. a kind of preserving and sterilizing device that can realize at temperature-changing chamber safety temperature adjusting timing according to claim 3, is characterized in that, described display floater is provided with temperature-changing chamber temperature setting button.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320288689.3U CN203629198U (en) | 2013-05-24 | 2013-05-24 | Fresh-keeping sterilization device enabling safe temperature adjustment and timing in interchangeable temperature chamber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320288689.3U CN203629198U (en) | 2013-05-24 | 2013-05-24 | Fresh-keeping sterilization device enabling safe temperature adjustment and timing in interchangeable temperature chamber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792106A (en) * | 2015-04-28 | 2015-07-22 | 青岛海尔股份有限公司 | Sterilizing method used for storage room and storing device |
| CN104921252A (en) * | 2015-06-11 | 2015-09-23 | 阚晓敏 | Intelligent preservation device |
-
2013
- 2013-05-24 CN CN201320288689.3U patent/CN203629198U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792106A (en) * | 2015-04-28 | 2015-07-22 | 青岛海尔股份有限公司 | Sterilizing method used for storage room and storing device |
| CN104792106B (en) * | 2015-04-28 | 2018-04-20 | 青岛海尔股份有限公司 | Method for disinfection and article-storage device for storing compartment |
| CN104921252A (en) * | 2015-06-11 | 2015-09-23 | 阚晓敏 | Intelligent preservation device |
| CN104921252B (en) * | 2015-06-11 | 2018-09-04 | 阚晓敏 | A kind of intelligence preservation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20150524 |
|
| EXPY | Termination of patent right or utility model |