CN217332346U - Gas sensor calibrating device with temperature balance function - Google Patents
Gas sensor calibrating device with temperature balance function Download PDFInfo
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- CN217332346U CN217332346U CN202123397118.7U CN202123397118U CN217332346U CN 217332346 U CN217332346 U CN 217332346U CN 202123397118 U CN202123397118 U CN 202123397118U CN 217332346 U CN217332346 U CN 217332346U
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Abstract
The utility model discloses a gas sensor calibrating installation with temperature balance function relates to gas sensor technical field, include: the base with locate the detection room on base top, detect the room top adaptation and be equipped with sealed lid, sealed lid passes through clamp fixed connection with the detection room, the bottom is equipped with the electric heating piece in the detection room, the bilateral symmetry is equipped with the semiconductor refrigeration piece in the detection room, and semiconductor refrigeration piece top is equipped with temperature and humidity sensor and pressure sensor respectively. Has the advantages that: through assembling the gas sensor that awaits measuring in the work piece detection bayonet socket in advance, pour into sample gas or liquid into through the injection port to open the electric heating piece and carry out ambient temperature heating or the flash evaporation of liquid, realize the short-term test of the gas sensor that awaits measuring, not only gas sensor detection efficiency is high, gas sensor detects the precision height and stability height moreover, but the different gas sensor's of adaptation detection, therefore, the clothes hanger is strong in practicability, moreover, the steam hanger is simple in structure, the cost is with low costs, easily carry.
Description
Technical Field
The utility model relates to a gas sensor technical field particularly, relates to a gas sensor calibrating installation with temperature balance function.
Background
Gas sensors must be certified for performance before shipment. The assay requires a special closed chamber that can simulate the ambient temperature. Since sensors are often required for gas detection in high temperature environments (e.g., oil refining, steel making, petrochemical, etc., industries), it is common for a verification apparatus to be equipped with a temperature-raising function.
The existing calibrating device is heated mainly by a heating pipe or a resistance wire, so that the heating speed is high, the set temperature is easily broken in a short time, the calibrating work of the sensor is not accurate (the performance of the sensor is different at different temperatures), and even the sensor is permanently failed due to sudden high temperature (even if the temperature is reduced due to heating stop at the back), so that great inconvenience is brought to the calibrating work of the sensor and loss is caused.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the related art, the utility model aims to provide a gas sensor calibrating device with temperature balance function, which is formed by assembling a gas sensor to be tested on a workpiece detection bayonet in advance, matching a sealing cover and a clamp through a detection chamber, injecting sample gas or liquid through an injection port, opening an electric heating plate to heat the environment temperature or quickly evaporate the liquid, accelerating the mixing of internal airflow through a fan blade to realize the quick detection of the gas sensor to be tested, acquiring internal environment information in real time through a temperature and humidity sensor and a pressure sensor, and loading a semiconductor refrigerating plate when the temperature is close to the set temperature to stabilize the internal temperature to slowly reach the set temperature to prevent quick overheating, thereby not only having high detection efficiency of the gas sensor, but also having high detection precision and high stability of the gas sensor, to overcome the above technical problems of the related art.
The technical scheme of the utility model is realized like this:
a gas sensor assay device with temperature equilibration, comprising: the device comprises a base and a detection chamber arranged at the top end of the base, wherein a sealing cover is matched with the top end of the detection chamber and fixedly connected with the detection chamber through a clamping hoop;
an electric heating plate is arranged at the bottom end in the detection chamber, semiconductor refrigerating plates are symmetrically arranged on two sides in the detection chamber, and a temperature and humidity sensor and a pressure sensor are respectively arranged at the top ends of the semiconductor refrigerating plates;
the sealing cover is provided with an injection port, a workpiece detection bayonet and a driving motor, the workpiece detection bayonet is located between the injection port and the driving motor, the output shaft of the driving motor is connected with fan blades, and the fan blades are located in the detection chamber.
Furthermore, a sealing plug is arranged in the injection port.
Further, the workpiece detection bayonet comprises a plurality of fixing holes, and a plurality of rubber plugs are arranged in the fixing holes.
Furthermore, a power supply is arranged in the base and is connected with the electric heating plate, the semiconductor refrigerating plate, the temperature and humidity sensor, the pressure sensor and the driving motor through leads.
Further, the clamp is the U-shaped structure, just the clamp set up respectively in detect the room both sides.
Further, the electric heating plate is horizontally arranged at the bottom end in the detection chamber.
The utility model has the advantages that:
the utility model realizes the rapid detection of the gas sensor to be detected by assembling the gas sensor to be detected in the workpiece detection bayonet in advance, forming a gas sensor calibrating device by matching the detection chamber with the sealing cover and the clamp, injecting sample gas or liquid through the injection port, opening the electric heating sheet to heat the environment temperature or rapidly evaporate the liquid, accelerating the mixing of internal air flow through the fan blade, acquiring the internal environment information in real time through the temperature and humidity sensor and the pressure sensor, and when the temperature is close to the set temperature, stabilizing the internal temperature and slowly reaching the set temperature by loading the semiconductor refrigeration sheet to prevent rapid overheating, thereby not only having high detection efficiency of the gas sensor, but also having high detection precision and stability of the gas sensor, being adaptable to the detection of different gas sensors, strong practicability, simple structure and low manufacturing cost, is easy to carry.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a gas sensor calibrating apparatus with a temperature balancing function according to an embodiment of the present invention.
In the figure:
1. a base; 2. a detection chamber; 3. a sealing cover; 4. clamping a hoop; 5. an electrical heating sheet; 6. a semiconductor refrigeration sheet; 7. a temperature and humidity sensor; 8. a pressure sensor; 9. an injection port; 10. a workpiece detection bayonet; 11. a drive motor; 12. a fan blade; 13. sealing the plug; 14. a fixing hole; 15. a rubber plug; 16. a power source.
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 all belong to the protection scope of the present invention.
According to the utility model discloses an embodiment provides a gas sensor calibrating installation with temperature balance function.
As shown in fig. 1, a gas sensor calibrating apparatus with a temperature balancing function includes: the device comprises a base 1 and a detection chamber 2 arranged at the top end of the base 1, wherein a sealing cover 3 is arranged at the top end of the detection chamber 2 in a matched manner, and the sealing cover 3 is fixedly connected with the detection chamber 2 through a hoop 4;
an electric heating plate 5 is arranged at the bottom end in the detection chamber 2, semiconductor refrigerating plates 6 are symmetrically arranged on two sides in the detection chamber 2, and a temperature and humidity sensor 7 and a pressure sensor 8 are respectively arranged at the top ends of the semiconductor refrigerating plates 6;
the sealing cover 3 is provided with an injection port 9, a workpiece detection bayonet 10 and a driving motor 11, the workpiece detection bayonet 10 is located between the injection port 9 and the driving motor 11, an output shaft of the driving motor 11 is connected with a fan blade 12, and the fan blade 12 is located in the detection chamber 2.
By means of the scheme, a gas sensor to be detected is assembled on a workpiece detection bayonet 10 in advance, a gas sensor calibrating device is formed by matching a detection chamber 2 with a sealing cover 3 and a clamp 4, sample gas or liquid is injected through an injection port 9, an electric heating plate 5 is started to heat the environment temperature or quickly evaporate the liquid, internal airflow mixing is accelerated through fan blades 12, quick detection of the gas sensor to be detected is achieved, internal environment information is obtained in real time through a temperature and humidity sensor 7 and a pressure sensor 8, when the temperature is close to a set temperature, the internal temperature is stabilized and slowly reaches the set temperature by loading a semiconductor refrigerating plate 6, quick overheating is prevented, the detection efficiency of the gas sensor is high, the detection precision and the stability of the gas sensor are high, the gas sensor can be matched with detection of different gas sensors, and the practicability is high, simple structure, low cost and easy carrying.
In addition, as shown in fig. 1, a sealing plug 13 is arranged in the injection port 9. The workpiece detection bayonet 10 comprises a plurality of fixing holes 14, and a plurality of rubber plugs 15 are arranged in the fixing holes 14. The electric heating plate 5 is horizontally arranged at the bottom end in the detection chamber 2.
This technical scheme, sealed end cap 13 can adopt T shape structure, is convenient for tear open and gets and the assembly is sealed, can inject the sample gas or the liquid that the adaptation gas sensor that awaits measuring through injection port 9, for example: treat that to detect be the alcohol sensor, so accessible injection port 9 pours into liquid alcohol into, when liquid alcohol low drop to electric heating plate 5, realizes the rapid evaporation of alcohol, and alcohol vapor can be full of whole 2 cavities in detection room fast, and then accomplishes the gas sensor that awaits measuring that sealed lid 3 work piece detected bayonet socket 10 and detect.
In addition, in the workpiece detection bayonet 10, the extraction electrode of the gas sensor to be measured is inserted into the rubber plug 15 and extends into the fixing hole 14 to be fixed, so that the gas sensor to be measured can be rapidly replaced.
In addition, a power supply 16 is arranged in the base 1, and the power supply 16 is respectively connected with the electric heating plate 5, the semiconductor refrigerating plate 6, the temperature and humidity sensor 7, the pressure sensor 8 and the driving motor 11 through leads.
In addition, in the technical scheme, when the device is applied, the PM2.5 detector is also arranged in the detection chamber 2, so that the environmental information in the detection chamber 2 is further acquired, and the detection versatility is improved.
In addition, clamp 4 is the U-shaped structure, just clamp 4 set up respectively in detect 2 both sides in room.
In addition, this technical scheme, the clamp 4 of U-shaped structure is convenient for detect room 2 and the quick dismantlement of sealed lid 3, not only makes things convenient for the test to finish conveniently to open detect room 2 and washs the cavity, gets rid of residual gas, makes things convenient for the quick replacement of the gas sensor that awaits measuring moreover.
To sum up, with the aid of the above technical scheme of the utility model, can realize following effect:
the gas sensor to be detected is assembled in a workpiece detection bayonet 10 in advance, a gas sensor calibrating device is formed by matching a detection chamber 2 with a sealing cover 3 and a clamp 4, sample gas or liquid is injected through an injection port 9, an electric heating plate 5 is started to heat the environment temperature or quickly evaporate the liquid, internal airflow mixing is accelerated through a fan blade 12, the rapid detection of the gas sensor to be detected is realized, internal environment information is obtained in real time through a temperature and humidity sensor 7 and a pressure sensor 8, when the temperature is close to a set temperature, the internal temperature is stabilized and slowly reaches the set temperature by loading a semiconductor refrigerating sheet 6, rapid overheating is prevented, the gas sensor detecting efficiency is high, the gas sensor detecting precision and stability are high, the gas sensor can be adapted to the detection of different gas sensors, the practicability is high, and the structure is simple, low cost and easy carrying.
This technical scheme forms gas sensor calibrating installation through assembly electric heating piece 5 and semiconductor refrigeration piece 6, prevents to heat the overheated fast, can provide a stable temperature fluctuation, realizes temperature balance.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A gas sensor calibrating device with a temperature balance function is characterized by comprising: the device comprises a base (1) and a detection chamber (2) arranged at the top end of the base (1), wherein a sealing cover (3) is arranged at the top end of the detection chamber (2) in a matching mode, and the sealing cover (3) is fixedly connected with the detection chamber (2) through a clamp (4);
an electric heating sheet (5) is arranged at the inner bottom end of the detection chamber (2), semiconductor refrigerating sheets (6) are symmetrically arranged on two sides in the detection chamber (2), and a temperature and humidity sensor (7) and a pressure sensor (8) are respectively arranged at the top ends of the semiconductor refrigerating sheets (6);
be equipped with injection port (9), work piece detection bayonet (10) and driving motor (11) on sealed lid (3), work piece detection bayonet (10) are located injection port (9) with between driving motor (11), just driving motor (11) output shaft has flabellum (12), flabellum (12) are located detect in the room (2).
2. The gas sensor calibrating device with the temperature balancing function as claimed in claim 1, wherein a sealing plug (13) is arranged in the injection port (9).
3. The gas sensor calibrating device with the temperature balancing function according to claim 2, wherein the workpiece detection bayonet (10) comprises a plurality of fixing holes (14), and rubber plugs (15) are arranged in the fixing holes (14).
4. The gas sensor calibrating device with the temperature balancing function according to claim 3, wherein a power supply (16) is arranged in the base (1), and the power supply (16) is respectively connected with the electric heating plate (5), the semiconductor refrigerating plate (6), the temperature and humidity sensor (7), the pressure sensor (8) and the driving motor (11) through leads.
5. The gas sensor calibrating device with the temperature balancing function according to claim 4, wherein the clamp (4) is of a U-shaped structure, and the clamp (4) is respectively arranged on two sides of the detection chamber (2).
6. The gas sensor calibrating device with the temperature balancing function as claimed in claim 5, wherein the electric heating sheet (5) is horizontally arranged at the bottom end in the detection chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123397118.7U CN217332346U (en) | 2021-12-30 | 2021-12-30 | Gas sensor calibrating device with temperature balance function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123397118.7U CN217332346U (en) | 2021-12-30 | 2021-12-30 | Gas sensor calibrating device with temperature balance function |
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| CN217332346U true CN217332346U (en) | 2022-08-30 |
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| CN202123397118.7U Active CN217332346U (en) | 2021-12-30 | 2021-12-30 | Gas sensor calibrating device with temperature balance function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147047A (en) * | 2023-09-06 | 2023-12-01 | 江苏荣生电子有限公司 | High stability pressure sensor with automatic compensation function |
-
2021
- 2021-12-30 CN CN202123397118.7U patent/CN217332346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147047A (en) * | 2023-09-06 | 2023-12-01 | 江苏荣生电子有限公司 | High stability pressure sensor with automatic compensation function |
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