CN202692596U - Temperature changing box and refrigerator with same - Google Patents
Temperature changing box and refrigerator with same Download PDFInfo
- Publication number
- CN202692596U CN202692596U CN 201220329820 CN201220329820U CN202692596U CN 202692596 U CN202692596 U CN 202692596U CN 201220329820 CN201220329820 CN 201220329820 CN 201220329820 U CN201220329820 U CN 201220329820U CN 202692596 U CN202692596 U CN 202692596U
- Authority
- CN
- China
- Prior art keywords
- temperature
- control circuit
- circuit board
- alternating temperature
- infrared
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920001903 high density polyethylene Polymers 0.000 claims description 12
- 239000004700 high-density polyethylene Substances 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009930 food irradiation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides a alternating temperature case and have its refrigerator. Above-mentioned become incubator includes roof, bottom plate and temperature-sensing element, and the temperature-sensing element setting is on the roof, and the temperature-sensing element includes: the control circuit board is arranged on the top plate; the infrared sensor is used for sensing temperature and arranged on one side of the top plate facing the bottom plate and is electrically connected with the control circuit board; and the shell is covered on the control circuit board and the infrared sensor to isolate the control circuit board and the infrared sensor from an inner cavity of the temperature changing box, and an infrared transmission layer is arranged on the surface of the shell corresponding to the infrared sensor. The temperature-changing box of the utility model is provided with the control circuit board and the infrared sensor sleeve in the shell, thereby avoiding the temperature-sensing element from being influenced by the low-temperature and high-humidity environment in the temperature-changing box; the infrared transmission layer is arranged in the shell, so that the phenomenon that water vapor in the temperature changing box is condensed on the infrared transmission layer to influence the infrared transmission effect is avoided; the infrared sensor can directly sense the temperature of food in the temperature change box, and can accurately reflect the real temperature of the food.
Description
Technical field
The utility model relates to refrigerating field, in particular to a kind of alternating temperature case and have its refrigerator.
Background technology
In general, in order to better meet fresh-keeping and iced needs, must accurately control food temperature in the refrigerator.At present, the measurement of temperature mainly is to come the measurement of air themperature is reflected food temperature indirectly by thermistor in the refrigerator, therefore, can accurately not reflect the true temperature of food.By contrast, the infrared measurement of temperature mode directly the instrument temperature more can satisfy fresh-keeping needs.
Be different from conventional infrared temperature-test sensor use occasion, the refrigerator inside environment has the particularity of low temperature and high relative humidity, and temperature is between-24 ℃ ~ 10 ℃; And, in the process of refrigerator door open-close accessing article, being easy to form condensation vapor on refrigerator inwall or other attachment, this stably measured for infrared temperature-test sensor produces material impact.Therefore, the assurance infrared temperature-test sensor can work and seem particularly important.
The utility model content
The utility model aims to provide a kind of alternating temperature case and has its refrigerator, to solve the problem that in the prior art food temperature in the alternating temperature case is difficult to accurately control.
To achieve these goals, according to an aspect of the present utility model, provide a kind of alternating temperature case, above-mentioned alternating temperature case comprises top board, base plate and temperature-sensing element, and temperature-sensing element is arranged on the top board, and temperature-sensing element comprises: control circuit board is arranged on the top board; Be used for the infrared sensor of sensing temperature, be arranged on top board towards a side of base plate, be electrically connected with control circuit board; Shell is located on control circuit board and the infrared sensor, makes the inner chamber isolation of both and alternating temperature case, is provided with the infrared transmitting layer on the surface corresponding with infrared sensor on the shell.
Further, above-mentioned infrared sensor is arranged on the control circuit board.
Further, above-mentioned control circuit board is arranged at top board geometric center place.
Further, above-mentioned infrared sensor comprises: be used for the sensor chip of sensing temperature, be embedded at control circuit board on a side of base plate, send temperature signal according to sensing result; Be used for the sensing part of transmission temperature signal, be arranged in the control circuit board, receive temperature signal and transfer to control circuit board.
Further, above-mentioned infrared transmitting layer is arranged on sensor chip dead ahead in the shell.
Further, above-mentioned infrared transmitting layer and sensor chip be arranged in parallel, and the long-pending area greater than sensor chip of infrared transmitting aspect, make the sensing angle of sensor chip be not less than 120 °.
Further, above-mentioned infrared transmitting layer and sensor chip spacing are 0.08 ~ 0.12mm.
Further, above-mentioned infrared transmitting layer is high-density polyethylene layer.
Further, the thickness of above-specified high density polyethylene layer is between 0.1 ~ 0.3mm.
According on the other hand of the present utility model, a kind of refrigerator also is provided, comprise refrigerating chamber, refrigerating chamber and temperature-changing chamber, also form above-mentioned alternating temperature case in the refrigerator, as top board and the base plate of alternating temperature case, temperature-changing chamber is as the inner chamber of alternating temperature case respectively for dividing plate between dividing plate between refrigerating chamber and the temperature-changing chamber and refrigerating chamber and the temperature-changing chamber.
Alternating temperature case of the present utility model is set in control circuit board and infrared sensor in the shell, has avoided temperature-sensing element to be subject to the impact of low temperature and high relative humidity environment in the alternating temperature case, is conducive to the monitoring to food temperature; And the infrared transmission layer is arranged on the inside of shell, has further avoided the interior condensation vapor of alternating temperature case to affect the infrared transmission effect at the infrared transmission layer; Adopt infrared sensor can direct sensing alternating temperature case in the temperature of food, can reflect exactly the true temperature of food more to be conducive to the fresh-keeping of food.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation according to alternating temperature case of the present invention, wherein shows the structure of refrigerator;
Fig. 2 shows the enlarged drawing of alternating temperature case shown in Figure 1;
Fig. 3 shows the structural representation of the temp-controlling element of alternating temperature case shown in Figure 1; And
Fig. 4 shows the sectional structure chart of the temp-controlling element of alternating temperature case shown in Figure 1.
The specific embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
In a kind of typical embodiment of the utility model, a kind of alternating temperature case is provided, this alternating temperature case comprises top board 1, base plate 2 and temperature-sensing element 3, temperature-sensing element 3 is arranged on the top board 1, temperature-sensing element 3 comprises: control circuit board 31, be used for infrared sensor 32 and the shell 33 of sensing temperature, control circuit board 31 is arranged on the top board 1; Infrared sensor 32 is arranged on top board 1 towards a side of base plate 2, is electrically connected with control circuit board 31; Shell 33 is located on control circuit board 31 and the infrared sensor 32, makes the inner chamber isolation of both and alternating temperature case, is provided with infrared transmitting layer 331 on the surface corresponding with infrared sensor 32 on the shell 33.
Alternating temperature case with said structure is set in control circuit board 31 and infrared sensor 32 in the shell 33, has avoided temperature-sensing element 3 to be subject to the impact of low temperature and high relative humidity environment in the alternating temperature case, is conducive to the monitoring to food temperature; And infrared transmission layer 331 is arranged on the inside of shell 32, has further avoided the interior condensation vapor of alternating temperature case to affect the infrared transmission effect at infrared transmission layer 331; Adopt infrared sensor 32 can direct sensing alternating temperature case in the temperature of food, can reflect exactly the true temperature of food more to be conducive to the fresh-keeping of food.
Temperature-sensing element 3 more compact structure in order further to make alternating temperature case of the present utility model more are conducive to the setting of temperature-sensing element 3 in the alternating temperature case, and preferred infrared sensor 32 is arranged on the control circuit board 31.
When being arranged on infrared sensor 32 on the control circuit board 31, in order to make the variations in temperature of the food of infrared sensor 32 in can monitoring in the alternating temperature case as far as possible on a large scale, preferred control circuit board 31 is arranged at top board 1 geometric center place.
In a kind of preferred embodiment of the present invention, above-mentioned infrared sensor 32 comprises: for the sensor chip 322 of sensing temperature with for the sensing part 321 that transmits temperature signal, sensor chip 322 is embedded at control circuit board 31 on a side of base plate 2, sends temperature signal according to sensing result; Sensing part 321 is arranged in the control circuit board 31, receives temperature signal and transfers to control circuit board 31.The temperature of direct sensing food be the sensor chip 322 of infrared sensor 32, therefore be arranged on control circuit board 31 towards on the side of base plate except sensor chip 322, sensing part 321 can be arranged on the optional position on the control circuit board 31.
The infrared transmitting layer 331 that arranges at shell 33 mainly is to utilize infrared ray to see through, its setting position on shell 33 can be according to the location positioning of infrared sensor 33 so, and preferred infrared transmitting layer 331 is arranged on sensor chip 322 dead aheads of infrared sensor 33 in the shell 33.
Accept quickly the infrared ray of food institute radiation in order to make sensor chip 322, need to reduce as much as possible the air line distance between infrared transmitting layer 331 and the sensor chip 322, preferred infrared transmitting layer 331 be arranged in parallel with sensor chip 322, and infrared transmitting layer 331 area make the sensing angle of sensor chip be not less than 120 ° greater than the area of sensor chip.Sensor chip 322 is collected the infrared ray of emission in 120 ° of angulars field of view and is averaged as the temperature signal to sensing part 321 transmission.
Sensed chip 322 absorbs after the infrared ray of food irradiation passes infrared transmitting layer 331, sensor chip 322 is because the long-time infrared ray that absorbs can produce heat, for fear of the impact of heat on infrared transmitting layer 331, preferred infrared transmitting layer 331 is 0.08 ~ 0.12mm with sensor chip 322 spacings.
Can be used for infrared transmitting layer 331 of the present utility model and include but not limited to polyethylene layer, polypropylene layer, sapphire layer, calcirm-fluoride layer etc., in order to adapt to better the low temperature and high relative humidity environment in the alternating temperature case, preferred infrared transmitting layer 331 is high-density polyethylene layer.Because high density polyethylene (HDPE) belongs to flexible material, the infrared transmitting effect does not better need to add transmission layer, and non-hygroscopicly have a preferably steam-preventing characteristic, therefore can guarantee higher certainty of measurement when high density polyethylene (HDPE) being sprayed on the shell 33 after the formation high-density polyethylene layer.
Within the scope that most infrared ray is seen through, the thickness of preferred high-density polyethylene layer is between 0.1 ~ 0.3mm as the thickness of the high-density polyethylene layer of the infrared transmitting layer 331 of above-mentioned alternating temperature case.
In the another kind of typical embodiment of the utility model, a kind of refrigerator also is provided, comprise refrigerating chamber 10, refrigerating chamber 20 and temperature-changing chamber 30, also form above-mentioned alternating temperature case in the refrigerator, as top board 1 and the base plate 2 of alternating temperature case, temperature-changing chamber 30 is as the inner chamber of alternating temperature case respectively for dividing plate between dividing plate between refrigerating chamber 10 and the temperature-changing chamber 30 and refrigerating chamber 20 and the temperature-changing chamber 30.Have the refrigerator of the temperature-changing chamber identical with alternating temperature box structure of the present utility model, the temperature-changing chamber temperature survey is more accurate, and stability is more reliable, more can adapt to users to the needs of different preservation temperature.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. an alternating temperature case is characterized in that, described alternating temperature case comprises top board (1), base plate (2) and temperature-sensing element (3), and described temperature-sensing element (3) is arranged on the described top board (1), and described temperature-sensing element (3) comprising:
Control circuit board (31) is arranged on the described top board (1);
Be used for the infrared sensor (32) of sensing temperature, be arranged on described top board (1) towards a side of described base plate (2), be electrically connected with described control circuit board (31);
Shell (33), be located on described control circuit board (31) and the described infrared sensor (32), make the inner chamber isolation of both and described alternating temperature case, described shell (33) is provided with infrared transmitting layer (331) on the upper surface corresponding with described infrared sensor (32).
2. alternating temperature case according to claim 1 is characterized in that, described infrared sensor (32) is arranged on the described control circuit board (31).
3. alternating temperature case according to claim 2 is characterized in that, described control circuit board (31) is arranged at described top board (1) geometric center place.
4. alternating temperature case according to claim 3 is characterized in that, described infrared sensor (32) comprising:
Be used for the sensor chip (322) of sensing temperature, be embedded at described control circuit board (31) on a side of described base plate (2), send temperature signal according to sensing result;
Be used for transmitting the sensing part (321) of described temperature signal, be arranged in the described control circuit board (31), receive described temperature signal and transfer to described control circuit board (31).
5. alternating temperature case according to claim 4 is characterized in that, described infrared transmitting layer (331) is arranged on the dead ahead of sensor chip (322) described in the described shell (33).
6. according to claim 4 or 5 described alternating temperature casees, it is characterized in that, described infrared transmitting layer (331) be arranged in parallel with described sensor chip (322), and described infrared transmitting layer (331) area makes the sensing angle of described sensor chip (322) be not less than 120 ° greater than the area of described sensor chip (322).
7. alternating temperature case according to claim 4 is characterized in that, described infrared transmitting layer (331) is 0.08 ~ 0.12mm with described sensor chip (322) spacing.
8. alternating temperature case according to claim 6 is characterized in that, described infrared transmitting layer (331) is high-density polyethylene layer.
9. alternating temperature case according to claim 8 is characterized in that, the thickness of described high-density polyethylene layer is between 0.1 ~ 0.3mm.
10. refrigerator, comprise refrigerating chamber (10), refrigerating chamber (20) and temperature-changing chamber (30), it is characterized in that, also form each described alternating temperature case in the claim 1 to 9 in the described refrigerator, as top board (1) and the base plate (2) of described alternating temperature case, described temperature-changing chamber (30) is as the inner chamber of described alternating temperature case respectively for dividing plate between dividing plate between described refrigerating chamber (10) and the described temperature-changing chamber (30) and described refrigerating chamber (20) and the described temperature-changing chamber (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329820 CN202692596U (en) | 2012-07-09 | 2012-07-09 | Temperature changing box and refrigerator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329820 CN202692596U (en) | 2012-07-09 | 2012-07-09 | Temperature changing box and refrigerator with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202692596U true CN202692596U (en) | 2013-01-23 |
Family
ID=47548204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220329820 Expired - Fee Related CN202692596U (en) | 2012-07-09 | 2012-07-09 | Temperature changing box and refrigerator with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202692596U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759246A (en) * | 2018-06-29 | 2018-11-06 | 无锡和晶科技股份有限公司 | A kind of refrigerator temperature-changing chamber and its self-adapting temperature controlling method |
| CN109091015A (en) * | 2018-08-24 | 2018-12-28 | 深圳英诺智慧科技有限公司 | A kind of fog-proof plate of cooking machine |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2012
- 2012-07-09 CN CN 201220329820 patent/CN202692596U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| CN108759246A (en) * | 2018-06-29 | 2018-11-06 | 无锡和晶科技股份有限公司 | A kind of refrigerator temperature-changing chamber and its self-adapting temperature controlling method |
| CN109091015A (en) * | 2018-08-24 | 2018-12-28 | 深圳英诺智慧科技有限公司 | A kind of fog-proof plate of cooking machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202692596U (en) | Temperature changing box and refrigerator with same | |
| ES2538796T3 (en) | Electronic module for temperature controlled preparation of food in a cooking vessel | |
| CN103207207B (en) | A kind of bedding and clothing heat resistance test apparatus | |
| CN203576734U (en) | Zoned ice cap | |
| CN105496133A (en) | Self-powered smart water cup with functions of temperature displaying and intraday water intake recording | |
| CN207457340U (en) | For the measuring device and measuring system of radiation refrigeration film | |
| CN208941600U (en) | A kind of adjustable vacuum cup of radiating rate | |
| CN203117139U (en) | Hot plate instrument for testing hot performance of fabric | |
| CN107367529A (en) | Coagulate white sensor and with the evaporator for coagulating white detection function | |
| CN206399362U (en) | A kind of solidifying white detection means of refrigerator condenser type | |
| CN209326560U (en) | A kind of condenser type multiple-effect frost sensor that evaporator has | |
| CN207541008U (en) | Green agriculture room energy-efficient performance detector | |
| CN202172704U (en) | Device for measuring temperature sensitivity of small animal | |
| CN206739368U (en) | The furnace panel and electromagnetic oven of electromagnetic oven | |
| CN207066506U (en) | A kind of annular temp.-humidity measuring apparatus | |
| CN205506605U (en) | Little food moisture check out test set | |
| CN109974571A (en) | A kind of condenser type multiple-effect frost sensor that evaporator has | |
| CN208818350U (en) | A kind of infrared radiation thermometer | |
| CN207764670U (en) | A kind of freeze dryer temperature-detecting device and the temperature control system containing temperature-detecting device | |
| CN205098483U (en) | Detect temperature detect ware of aircraft surface condition of freezing | |
| JP6095206B2 (en) | Wet black bulb thermometer | |
| CN207440317U (en) | A kind of weather monitoring instrument of anti-heating interference | |
| CN206945159U (en) | A kind of portable temperature measuring equipment | |
| CN209047826U (en) | A kind of vacuum cup with TDS and temperature detecting function | |
| CN207611009U (en) | Coagulate frost sensor and the evaporator with solidifying white detection function |
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: 20130123 Termination date: 20210709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |