CN211717669U - Dry body furnace - Google Patents
Dry body furnace Download PDFInfo
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- CN211717669U CN211717669U CN201922489000.3U CN201922489000U CN211717669U CN 211717669 U CN211717669 U CN 211717669U CN 201922489000 U CN201922489000 U CN 201922489000U CN 211717669 U CN211717669 U CN 211717669U
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- refrigerating
- heating
- thermocouple
- temperature
- dry body
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Abstract
The utility model relates to a body drying furnace, which comprises a test chamber, a refrigerating system, a heating system and a control system, wherein test holes for placing a platinum resistor or a thermocouple to be tested are vertically arranged in the test chamber; the heating system and the refrigerating system are connected with the test chamber and are respectively used for heating and refrigerating the platinum resistor or the thermocouple to be tested; the heating system comprises a heating pipe; the refrigeration system comprises a refrigeration head, and the refrigeration head is used for refrigerating a platinum resistor or a thermocouple to be detected through a refrigerant; the control system comprises a control module, and the control module is connected with the heating pipe and the refrigerating head and used for controlling the heating quantity and the refrigerating quantity; a platinum resistance thermometer is arranged in the dry body furnace and used for collecting temperature values so as to enable the control module to automatically control the temperature. The utility model discloses rational in infrastructure, convenient operation are applicable to the temperature examination of instruments such as platinum resistance and thermocouple.
Description
Technical Field
The utility model belongs to the technical field of the temperature calibration, especially, relate to a dry body stove.
Background
The thermocouple collects the physical quantity of temperature by converting the physical quantity into resistance or potential, and the thermocouple is mainly constructed by combining two ends of two metal wires made of different materials into a loop, wherein the two ends are called a cold end and a hot end, the hot end is arranged in a measured medium, the cold end is far away from the measured medium, under the action of a hot spot effect, a potential difference is generated between the two nodes, and the potential difference is converted into the temperature after being collected by a measuring instrument.
In the traditional verification mode, the size of the thermostatic bath equipment is large, and the equipment is inconvenient to carry and carry; the temperature rising and falling speed is slow, the temperature control time is long, and the uniformity of a vertical temperature field is poor; generally only liquid temperature media are available.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dry body stove for the calibration of instruments such as platinum resistance and thermocouple realizes the automatic control formula temperature calibration.
The utility model provides a dry body furnace, which comprises a test chamber, a refrigerating system, a heating system and a control system, wherein test holes for placing a platinum resistor or a thermocouple to be tested are vertically arranged in the test chamber; the heating system and the refrigerating system are connected with the test chamber and are respectively used for heating and refrigerating the platinum resistor or the thermocouple to be tested;
the heating system comprises a heating pipe; the refrigeration system comprises a refrigeration head, and the refrigeration head is used for refrigerating a platinum resistor or a thermocouple to be detected through a refrigerant; the control system comprises a control module, and the control module is connected with the heating pipe and the refrigerating head and used for controlling the heating quantity and the refrigerating quantity;
a platinum resistance thermometer is arranged in the dry body furnace and used for collecting temperature values so as to enable the control module to automatically control the temperature.
Further, the dry body furnace also comprises a touch display screen for setting a temperature control range.
Furthermore, two paths of test holes are vertically arranged in the test chamber.
By means of the scheme, the dry body furnace is reasonable in structure and convenient to operate, and is suitable for temperature detection of platinum resistors, thermocouples and other instruments.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic view of the internal structure of the dry body furnace of the present invention.
Reference numbers in the figures:
1-a refrigeration head; 2-heating a tube; 3-a test chamber; 4-refrigerant.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1, the embodiment provides a dry body furnace, which includes a testing chamber 3, a refrigerating system, a heating system and a control system, wherein a testing hole for placing a platinum resistor or a thermocouple to be tested is vertically arranged in the testing chamber 3; the heating system and the refrigerating system are connected with the test chamber 3 and are respectively used for heating and refrigerating the platinum resistor or the thermocouple to be tested;
the heating system comprises a heating pipe 2; the refrigeration system comprises a refrigeration head 1, wherein the refrigeration head 1 is used for refrigerating a platinum resistor or a thermocouple to be detected through a refrigerant 4; the control system comprises a control module, the control module is connected with the heating pipe 2 and the refrigerating head 1 and is used for controlling the heating quantity and the refrigerating quantity;
a path of standard platinum resistance thermometer is arranged in the dry body furnace and used for collecting temperature values so as to be used for the control module to automatically control the temperature.
The dry body furnace has dual purposes of dry liquid and dry liquid, excellent uniformity of a vertical temperature field (with the depth of 60mm), reasonable structure and convenient operation, and is suitable for temperature detection of instruments such as platinum resistors, thermocouples and the like.
In this embodiment, the dry body oven further comprises a touch display screen for setting the temperature control range. The touch display screen adopts a 7-inch capacitive touch screen.
In this embodiment, the dry body furnace communication adopts RS-232 and USB modes; temperature control range: -90 ℃ to +150 ℃; controlling the stability: plus or minus 0.01 ℃; horizontal uniformity: plus or minus 0.01 ℃; vertical uniformity: plus or minus 0.04 ℃; test area size: (phi 30 x 160) mm.
In the use process of the dry body furnace, a platinum resistor or a thermocouple to be detected is placed in a test hole (customizable), a target temperature value is input on a touch display screen, a temperature control switch is clicked to start temperature control, the heating pipe 2 starts heating at the moment, a refrigerant 4 in a flowing area of the area in the figure 1 displays a temperature value of a standard platinum resistor thermometer inserted in a current test chamber 3 on the touch display screen, and temperature indication values collected by two channels of detected equipment are displayed.
The temperature range of the equipment is-90 ℃ to +150 ℃, and after the test in the low-temperature or high-temperature area is finished, if the equipment needs to be closed, the equipment needs to be controlled to the normal temperature and then shut down. When testing at high temperature or low temperature, the hands are not required to touch the vicinity of the testing port, so as to avoid scald or frostbite.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The dry body furnace is characterized by comprising a test chamber, a refrigerating system, a heating system and a control system, wherein test holes for placing a platinum resistor or a thermocouple to be tested are vertically arranged in the test chamber; the heating system and the refrigerating system are connected with the test chamber and are respectively used for heating and refrigerating the platinum resistor or the thermocouple to be tested;
the heating system comprises a heating pipe; the refrigeration system comprises a refrigeration head, and the refrigeration head is used for refrigerating a platinum resistor or a thermocouple to be detected through a refrigerant; the control system comprises a control module, and the control module is connected with the heating pipe and the refrigerating head and used for controlling the heating quantity and the refrigerating quantity;
a platinum resistance thermometer is arranged in the dry body furnace and used for collecting temperature values so as to enable the control module to automatically control the temperature.
2. The dry body oven of claim 1, further comprising a touch screen display for setting a temperature control range.
3. The dry body furnace of claim 2, wherein two test holes are vertically arranged in the test chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922489000.3U CN211717669U (en) | 2019-12-31 | 2019-12-31 | Dry body furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922489000.3U CN211717669U (en) | 2019-12-31 | 2019-12-31 | Dry body furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211717669U true CN211717669U (en) | 2020-10-20 |
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ID=72821824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922489000.3U Active CN211717669U (en) | 2019-12-31 | 2019-12-31 | Dry body furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211717669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432758A (en) * | 2021-06-21 | 2021-09-24 | 合肥智测电子有限公司 | Ultra-low temperature portable dry furnace using Stirling refrigerator |
-
2019
- 2019-12-31 CN CN201922489000.3U patent/CN211717669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432758A (en) * | 2021-06-21 | 2021-09-24 | 合肥智测电子有限公司 | Ultra-low temperature portable dry furnace using Stirling refrigerator |
| CN113432758B (en) * | 2021-06-21 | 2022-05-24 | 合肥智测电子有限公司 | Ultra-low temperature portable dry furnace using Stirling refrigerator |
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