CN219511940U - Portable air bag heating device with heat preservation function - Google Patents
Portable air bag heating device with heat preservation function Download PDFInfo
- Publication number
- CN219511940U CN219511940U CN202222609472.XU CN202222609472U CN219511940U CN 219511940 U CN219511940 U CN 219511940U CN 202222609472 U CN202222609472 U CN 202222609472U CN 219511940 U CN219511940 U CN 219511940U
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- China
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- air bag
- temperature
- heat preservation
- temperature sensor
- silica gel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The utility model discloses a portable air bag heating device with a heat preservation function, which comprises an air bag body, wherein the air bag body comprises a cotton cloth protective layer, a PVC insulating layer, a heat preservation layer, a first high-temperature-resistant cloth layer and a second high-temperature-resistant cloth layer which are sequentially arranged from outside to inside, a silica gel heating wire and a temperature sensor are arranged between the first high-temperature-resistant cloth layer and the second high-temperature-resistant cloth layer, the silica gel heating wire and the temperature sensor are led out of the air bag body through a cable and a signal wire respectively and are connected to an external wire box, a power switch and a display screen are arranged on a panel of the external wire box, the silica gel heating wire is connected with an external power supply through the cable and the power switch, the temperature sensor is connected with the display screen through the signal wire, and the display screen displays temperature information detected by the temperature sensor. The device overcomes the defect that the traditional air bag needs to be heated frequently, has a heat preservation function, can realize that the sample is in an initial acquisition state in the whole process of sampling and analysis, avoids potential safety hazards caused by heating the air bag, and improves the accuracy of analysis results.
Description
Technical Field
The utility model relates to the technical field of environmental monitoring, in particular to a portable air bag heating device with a heat preservation function.
Background
In national standard gas bag method for sampling volatile organic compounds of waste gas with fixed pollution sources (HJ 732-2017) and gas chromatography for measuring total hydrocarbons, methane and non-methane total hydrocarbons of waste gas with fixed pollution sources (HJ 38-2017), waste gas is discharged into a gas bag, if the gas bag has liquid drop coagulation phenomenon during sample analysis, the gas bag is put into a heating box, and after confirming that the heating liquid drop coagulation phenomenon is eliminated, the gas bag is rapidly taken out for sampling analysis.
The heating equipment of the existing air bag is generally an oven or an automatic sampler with a heating device, and the oven can meet the heating temperature of the air bag, but potential safety hazards, such as scalds and the like, are easily caused when the air bag is taken out for analysis after heating. Secondly, the gas bag can not guarantee the analysis speed of each time after being taken out, the gas is easy to cool again when the analysis is not carried out, liquid drops are condensed, partial components are possibly condensed, and the analysis result is deviated. Whether the conventional air bag heating mode or the heating mode with an automatic sampler is adopted, a reheating mode is adopted, and the initial state of the analyte cannot be reduced to the greatest extent.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a portable air bag heating device with a heat preservation function, which overcomes the defect that the traditional air bag needs to be heated frequently, has the heat preservation function, can realize that a sample is in an initial acquisition state in the whole process of sampling and analysis, avoids potential safety hazards caused by heating the air bag, and improves the accuracy of analysis results.
In order to solve the technical problems, the portable air bag heating device with the heat preservation function comprises a package body, wherein the package body comprises a cotton cloth protective layer, a PVC insulating layer, a heat preservation layer, a first high-temperature-resistant cloth layer and a second high-temperature-resistant cloth layer which are sequentially arranged from outside to inside, a silica gel heating wire and a temperature sensor are arranged between the first high-temperature-resistant cloth layer and the second high-temperature-resistant cloth layer, the silica gel heating wire and the temperature sensor are led out of the package body through cables and signal wires and are connected to an external wire box, a power switch and a display screen are arranged on a panel of the external wire box, the silica gel heating wire is connected with an external power supply through cables and the power switch, the temperature sensor is connected with the display screen through the signal wires, and the display screen displays temperature information detected by the temperature sensor.
Further, the device also comprises a temperature controller, wherein the temperature controller is arranged on the external wire box, detection signals of the temperature sensor are transmitted to the temperature controller, and the temperature controller controls the silica gel heating wire to heat according to the detection signals.
Further, the device also comprises a sample inlet small cover, and the sample inlet small cover is arranged at the sample inlet of the wrapping body.
Further, the device also comprises a sealing adhesive strip, wherein the sealing adhesive strip is arranged on the inner side of the flip cover of the package body, and the flip cover is attached to the cotton cloth protective layer of the package body through the sealing adhesive strip when being turned down.
Because the portable air bag heating device with the heat preservation function adopts the technical scheme, namely the portable air bag heating device comprises a wrapping body, wherein the wall of the wrapping body comprises a cotton cloth protective layer, a PVC insulating layer, a heat preservation layer, a first high-temperature-resistant cloth layer and a second high-temperature-resistant cloth layer which are sequentially arranged from outside to inside, a silica gel heating wire and a temperature sensor are arranged between the first high-temperature-resistant cloth layer and the second high-temperature-resistant cloth layer, the silica gel heating wire and the temperature sensor are respectively led out of the air bag body through a cable and a signal wire and are connected to an external wire box, a power switch and a display screen are arranged on a panel of the external wire box, the silica gel heating wire is connected with an external power supply through the cable and the power switch, the temperature sensor is connected with the display screen through the signal wire, and the display screen displays temperature information detected by the temperature sensor. The device overcomes the defect that the traditional air bag needs to be heated frequently, has a heat preservation function, can realize that the sample is in an initial acquisition state in the whole process of sampling and analysis, avoids potential safety hazards caused by heating the air bag, and improves the accuracy of analysis results.
Drawings
The utility model is described in further detail below with reference to the attached drawings and embodiments:
FIG. 1 is a schematic diagram of a portable air bag heating device with heat preservation function according to the present utility model;
FIG. 2 is a schematic view of the structure of the air bag body in the device.
Detailed Description
The portable air bag heating device with the heat preservation function comprises a package body 1, wherein the wall of the package body 1 comprises a cotton cloth protective layer 11, a PVC insulating layer 12, a heat preservation layer 13, a first high-temperature-resistant cloth layer 14 and a second high-temperature-resistant cloth layer 15 which are sequentially arranged from outside to inside, a silica gel heating wire 16 and a temperature sensor 17 are arranged between the first high-temperature-resistant cloth layer 14 and the second high-temperature-resistant cloth layer 15, the silica gel heating wire 16 and the temperature sensor 17 are led out of the package body 1 through cables and signal wires and are connected to an external wire box 2, a power switch 3 and a display screen 4 are arranged on a panel of the external wire box 2, the silica gel heating wire 16 is connected with an external power supply through the cables and the power switch 3, the temperature sensor 17 is connected with the display screen 4 through a signal wire, and the display screen 4 displays temperature information detected by the temperature sensor.
Preferably, the device further comprises a temperature controller 5, the temperature controller 5 is arranged on the external wire box 2, a detection signal of the temperature sensor 17 is transmitted to the temperature controller 5, and the temperature controller 5 controls the silica gel heating wire 16 to generate heat according to the detection signal.
Preferably, the device further comprises a sample inlet small cover 6, and the sample inlet small cover 6 is arranged at the sample inlet of the package body 1.
Preferably, the device further comprises a sealing adhesive strip 7, wherein the sealing adhesive strip 7 is arranged on the inner side of the flip cover 18 of the package body 1, and the flip cover 18 is attached to the cotton cloth protection layer 11 of the package body 1 through the sealing adhesive strip 7 when being turned down.
The device effectively solves the heating and heat preservation problems of the air bag during manual sample injection, the innermost side of the wrapping body of the device is a two-layer high-temperature-resistant cloth wrapping silica gel electric heating wire combination, the two sides of the silica gel electric heating wire are molded by the high-temperature-resistant cloth after being wound and molded, the silica gel electric heating wire is fast in heating, the heating function is met by the uniform temperature performance, and the portability of the device is improved by the toughness of the silica gel electric heating wire combination. The temperature sensor is arranged on the silica gel heating wire layer, and the temperature controller is used for controlling the heating temperature of the silica gel heating wire to be 120+/-5 ℃, and the temperature sensor outputs temperature information on the display screen, so that the heating temperature is monitored at any time. PVC insulating layer prevents device electric leakage, and the cotton protective layer prevents to scald, utilizes the poor characteristic of heat conductivility of cotton to play the effect of preventing the scald, and both are used for protecting operator's safety. A layer of heat-insulating material is added between the PVC insulating layer and the silica gel heating wire to ensure that the package body is still in a constant temperature state after sampling, and the heat-insulating layer is positioned between the first high-temperature-resistant cloth layer and the PVC insulating layer and is used for heat insulation of the whole package body; the PVC insulating layer is arranged on the outer side of the first high-temperature-resistant cloth layer, so that potential safety hazards caused by abnormal electric leakage of the device are prevented.
The volume of the package body in the device can be made into 2L or 4L (the size of the air bag is suitable for 1L or 3L) according to the different sizes of the air bags, and the size of the small cover of the sample inlet is 3cm multiplied by 3cm, so that the small cover is used for extending the air outlet of the air bag and the switch valve.
When the device is used, the air bag is arranged in the wrapping body of the device, the air bag sample inlet is exposed from the wrapping body sample inlet, the silica gel electric heating wire of the wrapping body is electrified and heated to 120 ℃ for sampling, after sampling is completed, the silica gel electric heating wire is powered off, the sealing adhesive tape is used for simply sealing the wrapping body, the device is carried back to a laboratory for analysis together with the air bag, if the air bag is analyzed in time, the sample is directly injected, when the sample is not analyzed in time, the temperature indication of the display screen is observed, and the wrapping body can be heated at any time.
The device is light, simple and convenient, simple to use, small in volume and convenient to fold and store; the whole process heating of the air bag in the manual sample feeding mode is realized, the existing heating mode and the air bag sample feeding mode and experimental differences possibly introduced by the air bag sample feeding mode are comprehensively considered, the heating condition is met, and the defect that the air bag is cooled again in the manual sample feeding process is avoided. Meanwhile, the added heat preservation function of the package body of the device meets the constant temperature from sampling to analysis of the whole process, and the environment where the analysis sample is originally located is restored to the greatest extent.
Claims (4)
1. A portable air pocket heating device with heat preservation function, its characterized in that: the device comprises a package body, the package body wall is including the cotton protective layer, PVC insulating layer, heat preservation, first high temperature resistant cloth layer and the high temperature resistant cloth layer of second that are arranged from outside to inside in proper order, be equipped with silica gel heating wire and temperature sensor between first high temperature resistant cloth layer and the high temperature resistant cloth layer of second, silica gel heating wire and temperature sensor draw forth through cable and signal line respectively the package body is connected to external line box, external line box panel is equipped with switch and display screen, the silica gel heating wire passes through cable and switch and connects external power supply, temperature sensor passes through the signal line and connects the display screen, the display screen shows temperature information that temperature sensor detected.
2. The portable air bag heating apparatus with heat preservation function according to claim 1, wherein: the device also comprises a temperature controller, wherein the temperature controller is arranged on the external wire box, detection signals of the temperature sensor are transmitted to the temperature controller, and the temperature controller controls the silica gel heating wire to heat according to the detection signals.
3. The portable air bag heating apparatus with heat preservation function according to claim 1 or 2, characterized in that: the device also comprises a sample inlet small cover, and the sample inlet small cover is arranged at the sample inlet of the wrapping body.
4. A portable air bag heating apparatus having a heat retaining function according to claim 3, wherein: the device also comprises a sealing adhesive strip, wherein the sealing adhesive strip is arranged on the inner side of the flip cover of the package body, and the flip cover is attached to the cotton cloth protective layer of the package body through the sealing adhesive strip when being turned down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222609472.XU CN219511940U (en) | 2022-09-30 | 2022-09-30 | Portable air bag heating device with heat preservation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222609472.XU CN219511940U (en) | 2022-09-30 | 2022-09-30 | Portable air bag heating device with heat preservation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219511940U true CN219511940U (en) | 2023-08-11 |
Family
ID=87548780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222609472.XU Active CN219511940U (en) | 2022-09-30 | 2022-09-30 | Portable air bag heating device with heat preservation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219511940U (en) |
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2022
- 2022-09-30 CN CN202222609472.XU patent/CN219511940U/en active Active
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