CN218584703U - Cold and hot control by temperature change water activity apparatus - Google Patents
Cold and hot control by temperature change water activity apparatus Download PDFInfo
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- CN218584703U CN218584703U CN202221679745.1U CN202221679745U CN218584703U CN 218584703 U CN218584703 U CN 218584703U CN 202221679745 U CN202221679745 U CN 202221679745U CN 218584703 U CN218584703 U CN 218584703U
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Abstract
The utility model relates to a cold and hot control by temperature change water activity determination appearance, including closing cap, shell, sample room, temperature control component and controller, shell surface opening, the opening part is equipped with the sample room, be equipped with the sample cup in the sample room, just the open end of sample room with shell surface parallel and level, be equipped with the sensor on the closing cap, the closing cap lock is on the shell, the sensor is located the sample cup's of sample room top, the laminating sets up temperature control component on the sample room lateral wall, controller overall control the break-make of temperature control component realizes closed loop temperature control, but through the sample room splendid attire sample that sets up, and heats or cools down through the sample cup in the sample cup of temperature control component to the sample room, and then makes its inside constant temperature state that forms, and owing to reduced the use of compressor for this design overall structure is compact and noiselessness.
Description
Technical Field
The utility model relates to a water activity test technical field, in particular to cold and hot control by temperature change water activity apparatus.
Background
Water activity is an important indicator of food design and food safety, and generally, the quality control of food and drug requires control of the indicator. In the prior art, the water activity meter has 2 different types of water activity meter of normal atmospheric temperature water activity meter and area temperature control, and the cost of manufacture of the water activity meter of normal atmospheric temperature is low, but can not control the sample temperature, because the temperature that water activity received influences, leads to the test result very unstable, can not be accurate survey the water activity under the appointed temperature.
The water activity meter with the temperature control has the advantages that the temperature control mode comprises water bath temperature control and semiconductor temperature control, when the temperature is raised and lowered in the water bath temperature control mode, a large amount of water needs to be heated or cooled to the required temperature, and then the temperature is controlled for the sample, so that the energy loss is large, the temperature is slowly raised and lowered, and due to the use of a compressor, the noise is large, the equipment volume is large, and the production cost is high; semiconductor temperature-controlled water activity meters are currently used in foreign products, and the price of related equipment is very high.
SUMMERY OF THE UTILITY MODEL
In order to make up for the above deficiency, the utility model provides a cold and hot control by temperature change water activity tester to solve foretell technical problem.
The technical scheme of the utility model is that: the utility model provides a cold and hot control by temperature change water activity apparatus, includes closing cap, shell, sample room, temperature control component and controller, shell surface opening, the opening part is equipped with the sample room, be equipped with the specimen cup in the sample room, just the open end of sample room with shell surface parallel and level, be equipped with the sensor on the closing cap, the closing cap lock is on the shell, the sensor is located the top of the specimen cup of sample room, the laminating sets up temperature control component on the sample room lateral wall, controller overall control temperature control component's break-make realizes closed loop temperature control.
Compared with the prior art, the beneficial effects of the utility model are that: but the splendid attire sample through the sample room that sets up, and heat or cool down through the sample cup of temperature control component in to the sample room, and then make its inside constant temperature state that forms, and owing to reduced the use of compressor for this design overall structure is compact and noiselessness.
Preferably, the number of the sample chambers is not less than one, and a single sample chamber is provided with one sensor and the temperature control component.
As an optimized technical scheme, the sample chamber is made of metal materials, a heat insulation component is arranged on the side edge of the sample chamber, and the temperature control component conducts cold and heat transfer through the bottom of the sample chamber.
According to the preferable technical scheme, the temperature control assembly comprises a semiconductor heating and refrigerating sheet and a radiator, one side of the semiconductor heating and refrigerating sheet is attached to the bottom of the sample chamber, the other side of the semiconductor heating and refrigerating sheet is in contact with the radiator, and heat is dissipated or absorbed through the radiator.
As preferred technical scheme, still include the subassembly of taking a breath, be provided with the ventilation hole on the relative both sides face of shell, be equipped with radiator unit in the ventilation hole, radiator unit can be leading-in with outside air the inside and then take away the inside heat of shell.
As a preferred technical solution, the heat dissipation assembly includes a fan, the fan is disposed in the ventilation hole, the blowing directions of the fans on opposite sides are the same, and the fan is also disposed below the heat sink.
As a preferable technical solution, the fan below the heat sink is located on an axis of a connecting line of the two vent holes.
Preferably, a connection structure is disposed between the sample chamber and the cover, and the connection structure can seal the sample chamber when the cover is fastened to the housing.
As a preferred technical scheme, the connecting structure comprises a connecting protrusion arranged on the outer edge of the sample chamber, a connecting barb is arranged on the outer side wall of the protrusion, the cross section of the connecting barb is triangular, a connector is arranged on the sealing cover, the outer contour of the connector can be buckled on the connecting protrusion, a connecting hook is arranged on the inner side wall of the connector, the connecting hook and the connecting barb have the same structure, and the connecting hook and the connecting barb can be mutually meshed.
As a preferable technical scheme, the support also comprises a support leg, and the support is used for supporting the whole.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic cross-sectional view of the connection structure in fig. 1.
In the figure, 1. A housing; 2. sealing the cover; 3. a sensor; 4. a sample cup; 5. a controller; 6. a sample chamber; 7. a semiconductor heating and refrigerating sheet; 8. a heat sink; 9. a fan; 10. a connecting projection; 11. connecting a barb; 12. a connecting hook; 13. and (5) a support leg.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example 1:
the utility model provides a cold and hot control by temperature change water activity apparatus, includes closing cap 2, shell 1, sample room 6, temperature control component and controller 5, 1 surface opening of shell, the opening part is equipped with sample room 6, be used for the splendid attire sample in the sample cup 4 of sample room 6, just the open end of sample room 6 with 1 surperficial parallel and level of shell, be equipped with sensor 3 on the closing cap 2, 2 locks of closing cap are on shell 1, sensor 3 is located 4 tops of sample cup 6, the laminating sets up temperature control component on the 6 lateral walls of sample room, 5 overall control of controller the break-make of temperature control component realizes temperature closed loop control.
Specifically, during the test: inside sample cup 4 of sample room 6 was put into to the sample cup, the lid closed closing cap 2, connector lock on closing cap 2 this moment is on connecting protrusion 10, its hookup and connect 11 mutual interlocks of barb and then form the encapsulated situation in the sample room 4, controller 5 control semiconductor heating refrigeration piece 7 is controlled the temperature to carrying out in the sample room 4, and sensor 3 includes water activity and temperature sensor 3, water activity and sample temperature in the sensor 3 record sample cup 4, water activity and temperature curve stabilize the back test and accomplish.
In the heating process, the controller 5 controls the semiconductor heating and refrigerating sheet 7 to be electrified, the semiconductor heating and refrigerating sheet 7 is attached to the bottom of the sample chamber 6, the semiconductor heating and refrigerating sheet 7 is electrified in the forward direction to heat the upper surface of the semiconductor heating and refrigerating sheet 7, the temperature in the sample cup 4 is promoted to rise through heat transfer, and the heating is automatically stopped after the set temperature is reached.
In the refrigeration process, the controller 5 controls the semiconductor heating and refrigerating sheet 7 to be reversely electrified, the temperature of one surface of the semiconductor heating and refrigerating sheet 7 tightly attached to the bottom of the sample chamber 6 is reduced, the bottom of the sample chamber 6 is transmitted to the sample cup 4, the heat is dissipated from the reverse surface (namely the surface opposite to the bottom of the sample chamber 6) of the semiconductor heating sheet, and the heat can be understood as that a heat insulation component is arranged on the outer side wall of the sample chamber 6, the heat insulation component is a heat insulation layer, the heat insulation layer is composed of heat insulation plates, and the heat is blocked by the heat insulation layers, so that the heat cannot be transmitted with the sample chamber 6, and the radiator 8 is arranged at the bottom of the semiconductor heating and refrigerating sheet 7, absorbs and releases the reverse surface heat of the semiconductor heating and refrigerating sheet 7 into the shell and blows to the connecting lines of ventilation holes oppositely arranged on two side edges of the shell through the fans 9 arranged on two opposite sides of the shell 1, and then the fans 9 arranged on two opposite sides of the shell 1 are used for guiding the flow to the outside of the shell 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a cold and hot control by temperature change water activity apparatus, includes closing cap, shell, sample room, temperature control component and controller, its characterized in that: the utility model discloses a temperature control device, including shell, sample room, sensor, temperature control component, controller overall control, the break-make of temperature control component realizes closed loop temperature control, the opening part is equipped with the sample room, be equipped with the sample cup in the sample room, just the open end of sample room with shell surface parallel and level, be equipped with the sensor on the closing cap, the closing cap lock is on the shell, the sensor is located the top of the sample cup of sample room, the laminating sets up temperature control component on the sample room lateral wall, controller overall control the break-make of temperature control component realizes closed loop temperature control.
2. The cold-hot temperature-controlled water activity meter according to claim 1, wherein: the number of the sample chambers is not less than one, wherein a single sample chamber is provided with one sensor and the temperature control component.
3. A cold-hot temperature-controlled water activity meter according to claim 2, wherein: the sample room is made of metal materials, a heat insulation component is arranged on the side edge of the sample room, and the temperature control component conducts cold and heat transfer through the bottom of the sample room.
4. The cold-hot temperature-controlled water activity meter according to claim 1, wherein: the temperature control assembly comprises a semiconductor heating and refrigerating sheet and a radiator, one side of the semiconductor heating and refrigerating sheet is attached to the bottom of the sample chamber, the other side of the semiconductor heating and refrigerating sheet is in contact with the radiator, and the semiconductor heating and refrigerating sheet gives off or absorbs heat through the radiator.
5. The cold-hot temperature-controlled water activity meter according to claim 4, wherein: still including the subassembly of taking a breath, be provided with the ventilation hole on the relative both sides face of shell, the ventilation downthehole radiator unit that is equipped with, radiator unit can be leading-in with the outside air the inside and then take away the inside heat of shell.
6. A hot and cold temperature controlled water activity meter according to claim 5, wherein: the heat dissipation assembly comprises a fan, the fan is arranged in the ventilation hole, the blowing directions of the fans on the two opposite sides are the same, and the fan is also arranged below the radiator.
7. The cold-hot temperature-controlled water activity meter according to claim 6, wherein: and the fan below the radiator is positioned on the axis of the connecting line of the two vent holes.
8. The cold-hot temperature-controlled water activity meter according to claim 1, wherein: a connecting structure is arranged between the sample chamber and the sealing cover, and the connecting structure can seal the sample chamber when the sealing cover is buckled on the shell.
9. The cold-hot temperature-controlled water activity meter according to claim 8, wherein: the connecting structure comprises a connecting protrusion arranged on the outer edge of the sample chamber, a connecting barb is arranged on the outer side wall of the protrusion, the cross section of the connecting barb is triangular, a connector is arranged on the sealing cover, the outer contour of the connector can be buckled on the connecting protrusion, a connecting hook is arranged on the inner side wall of the connector, the connecting hook and the connecting barb are of the same structure, and the connecting hook and the connecting barb can be mutually meshed.
10. The cold-hot temperature-controlled water activity meter according to claim 1, wherein: the support also comprises a support foot used for supporting the whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679745.1U CN218584703U (en) | 2022-07-01 | 2022-07-01 | Cold and hot control by temperature change water activity apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221679745.1U CN218584703U (en) | 2022-07-01 | 2022-07-01 | Cold and hot control by temperature change water activity apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN218584703U true CN218584703U (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221679745.1U Active CN218584703U (en) | 2022-07-01 | 2022-07-01 | Cold and hot control by temperature change water activity apparatus |
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| CN (1) | CN218584703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116465781A (en) * | 2023-04-07 | 2023-07-21 | 上海朴维自控科技有限公司 | Electrophoretic paint adding system, method and online analysis system thereof |
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2022
- 2022-07-01 CN CN202221679745.1U patent/CN218584703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116465781A (en) * | 2023-04-07 | 2023-07-21 | 上海朴维自控科技有限公司 | Electrophoretic paint adding system, method and online analysis system thereof |
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