Constant-temperature, constant-humidity and constant-pressure sensor calibration device

Abstract

The utility model discloses a constant temperature constant humidity constant pressure sensor calibration device, which comprises a box body, a constant temperature constant pressure humidity generator and a controller, the constant temperature constant pressure humidity generator and the controller are arranged in the box body, a cavity is arranged in the box body, a display panel with the controller is arranged on one side of the front end of the box body, a sealed detection bin door is hinged to the other side of the front end of the box body, and a detection bin is arranged in the cavity. A plurality of detection holes are formed in the detection bin door, sealing rings are arranged in the detection holes, sealing covers are in threaded connection with the outer portions of the detection holes, a moisture flow dividing block is arranged at the rear end in the detection bin, an air outlet of the constant-temperature and constant-pressure humidity generator is communicated with the moisture flow dividing block, a heating mechanism is arranged in the moisture flow dividing block, and a real-time monitoring mechanism is arranged in the detection bin. And the constant-temperature and constant-pressure humidity generator, the heating mechanism and the real-time monitoring mechanism are in control connection through a controller. According to the utility model, constant temperature, humidity and pressure in the detection bin can be maintained, and accurate calibration is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sensor calibration device, especially constant temperature and humidity constant pressure's sensor calibration device. BACKGROUND

[0002] Humidity sensor is widely used in various industries, with the aging of components and equipment and other reasons, the precision of humidity sensor will reduce, the occurrence of this phenomenon will influence the production quality of the industry using humidity sensor, so it needs to calibrate the precision of humidity sensor regularly through humidity sensor calibration device, but the existing device cannot keep constant temperature and humidity constant pressure in the detection bin, influence sensor calibration accuracy. CONTENT OF UTILITY MODEL

[0003] The utility model aims at overcoming the insufficient of prior art and provides a kind of constant temperature and humidity constant pressure's sensor calibration device, solve the detection environment of detection bin unstable, reduce the problem of sensor calibration accuracy.

[0004] To reach the above-mentioned purpose, the technical scheme that the utility model adopts is: a kind of constant temperature and humidity constant pressure's sensor calibration device, including box, constant temperature and pressure humidity generator and controller being set in box, be equipped with cavity in the box, front end one side is equipped with the display panel with controller, the other side is hingedly equipped with the sealed detection bin door, be equipped with multiple detection holes on the detection bin door, be equipped with sealing ring in the detection hole, outside thread connection sealing cover, be equipped with humidity shunt block in the detection bin, the constant temperature and pressure humidity generator gas outlet is communicated with humidity shunt block, be equipped with heating mechanism in humidity shunt block, be equipped with real-time monitoring mechanism in the detection bin, the constant temperature and pressure humidity generator, heating mechanism and real-time monitoring mechanism are all controlled connection by controller.

[0005] Further, the detection bin includes cylindrical barrel, detection bin door arranged at the front end of the barrel and bottom disc arranged at the rear end of the barrel, forming a sealed detection bin, and the humidity shunt block is arranged on the bottom disc.

[0006] Further, the humidity shunt block is provided with a groove on the opposite surface of the bottom disc, and the heating mechanism is arranged in the groove.

[0007] Further, the heating mechanism uses a heating wire to heat.

[0008] Further, the front end surface, upper end surface, lower end surface, left side surface and right side surface of the humidity shunt block are each provided with a plurality of gas outlets.

[0009] Further, the detection bin is provided with an observation port at the top, and the box is provided with an observation window opposite to the observation port at the top.

[0010] Further, the real-time monitoring mechanism adopts a temperature and humidity pressure sensor.

[0011] The sensor calibration device with constant temperature, constant humidity and constant pressure provided by the utility model has the following beneficial effects achieved by the above structure: the constant temperature, constant humidity and constant pressure humidity generator and the heating mechanism arranged in the moisture shunt block are matched, the temperature is automatically compensated, the constant temperature, constant humidity and constant pressure in the detection bin are maintained, and the accuracy of the sensor during calibration is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] The technical scheme of the utility model will be further described below with reference to the drawings:

[0013] Fig. 1 The utility model discloses a sensor calibration device with constant temperature, constant humidity and constant pressure.

[0014] Fig. 2 The utility model discloses a sensor calibration device with constant temperature, constant humidity and constant pressure.

[0015] Fig. 3 The utility model discloses a sensor calibration device with constant temperature, constant humidity and constant pressure.

[0016] Fig. 4 The utility model discloses a sensor calibration device with constant temperature, constant humidity and constant pressure.

[0017] Wherein: 1, box body, 2, constant temperature and constant pressure humidity generator, 3, cavity, 4, display panel, 5, detection bin door, 6, detection bin, 7, detection hole, 8, moisture shunt block, 9, base, 10, recess, 11, observation port, 12, observation window, 13, air outlet. DETAILED DESCRIPTION

[0018] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0019] The designer of the utility model proposes a sensor calibration device with constant temperature, constant humidity and constant pressure according to the demand of the sensor calibration device, which can maintain constant temperature, constant humidity and constant pressure in the detection bin and accurately calibrate.

[0020] As Figs. 1 to 4As shown, a constant temperature and humidity constant pressure sensor calibration device, including box 1, set in the box 1 constant temperature and pressure humidity generator 2 and controller, the box 1 is provided with cavity 3, the front end side is provided with display panel 4 with controller, the other side is hinged with sealed detection warehouse door 5, the cavity 3 is provided with detection warehouse 6, a plurality of detection holes 7 are arranged on the detection warehouse door 5, the detection hole 7 is provided with a sealing ring, and the outer thread is connected with a sealing cover, the detection warehouse 6 is provided with a humidity shunt block 8 at the rear end, the humidity shunt block 8 is communicated with the gas outlet of the constant temperature and pressure humidity generator 2, the humidity shunt block 8 is provided with a heating mechanism, and the detection warehouse 6 is provided with a real-time monitoring mechanism, and the constant temperature and pressure humidity generator 2, the heating mechanism and the real-time monitoring mechanism are connected through the controller.

[0021] The detection warehouse 6 includes a cylindrical barrel, a detection warehouse door 5 arranged at the front end of the barrel and a bottom disc 9 arranged at the rear end of the barrel, forming a closed detection warehouse 6, and the humidity shunt block 8 is arranged on the bottom disc 9.

[0022] The humidity shunt block 8 is provided with a groove 10 on the opposite surface of the bottom disc 9, and the heating mechanism is arranged in the groove 10.

[0023] The heating mechanism adopts heating wire heating, and the gas output from the constant temperature and pressure humidity generator 2 into the detection warehouse 6 is temperature compensated.

[0024] The front end face, upper end face, lower end face, left side face and right side face of the humidity shunt block 8 are provided with a plurality of gas outlets 13.

[0025] The top of the detection warehouse 6 is provided with an observation port 11, and the top of the box 1 is provided with an observation window 12 opposite to the observation port 11, and the detection warehouse 6 is observed through the observation window 12 and the observation port 11.

[0026] The real-time monitoring mechanism adopts a temperature and humidity pressure sensor, which can read the temperature, humidity and pressure data in the detection warehouse in real time.

[0027] In use, the constant temperature and pressure humidity generator 2 generates humidity with temperature and pressure, the gas is delivered into the detection warehouse 6 through the humidity shunt block 8, and the real data of the detection warehouse 6 is read in real time through the real-time monitoring mechanism, the controller controls the heating mechanism to compensate the humidity in the humidity shunt block 8 according to the real data, the sealing cover outside the detection hole 7 is unscrewed, the sensor probe to be calibrated is inserted into the detection hole 7, passes through the sealing ring and enters the detection warehouse 6, and the real data on the display is compared to calibrate the sensor, or the detection warehouse door 5 is opened, and the whole sensor to be calibrated is put into the detection warehouse 6 for calibration detection.

[0028] The utility model discloses adopt above -mentioned structure and obtain the beneficial effect as follows: the utility model provides a kind of sensor calibration device of constant temperature and humidity constant pressure, by constant temperature and humidity generator and cooperate in the heating mechanism of being arranged in humidity shunt piece, automatic temperature compensation, can keep the constant temperature and humidity constant pressure in detection bin, guarantee the accuracy of sensor when calibration.

[0029] The above-described and above-embodied examples are only used to illustrate the technical solutions of the present application, rather than limit the same. Although the present application is described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently. Such modifications or replacements do not change the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A constant temperature, constant humidity, constant pressure sensor calibration device comprising a cabinet, a constant temperature, constant pressure humidity generator disposed within the cabinet, and a controller, wherein, The box is internally provided with a cavity, one side of the front end is provided with a display panel with a controller, and the other side is hingedly provided with a sealed detection bin door, the cavity is internally provided with a detection bin, a plurality of detection holes are arranged on the detection bin door, a sealing ring is arranged in the detection hole, an external threaded sealing cover is connected, the rear end of the detection bin is provided with a moisture shunt block, the moisture shunt block is in communication with the gas outlet of the constant-temperature and constant-pressure humidity generator, the moisture shunt block is internally provided with a heating mechanism, the detection bin is internally provided with a real-time monitoring mechanism, and the constant-temperature and constant-pressure humidity generator, the heating mechanism and the real-time monitoring mechanism are all controlled and connected through the controller.

2. The constant temperature, constant humidity, constant pressure sensor calibration device of claim 1, wherein: The detection bin comprises a cylindrical barrel, a detection bin door arranged at the front end of the barrel and a bottom disc arranged at the rear end of the barrel, and forms a closed detection bin.

3. The constant temperature, constant humidity, constant pressure sensor calibration device of claim 2, wherein: The moisture shunt block is provided with a groove on the opposite surface of the bottom disc, and the heating mechanism is arranged in the groove.

4. The constant temperature, constant humidity, constant pressure sensor calibration device of claim 3, wherein: The heating mechanism adopts a heating wire.

5. The constant temperature, constant humidity, constant pressure sensor calibration device of claim 3, wherein: The front end face, the upper end face, the lower end face, the left side face and the right side face of the moisture shunt block are all provided with a plurality of gas outlets.

6. The constant temperature, constant humidity, constant pressure sensor calibration device of claim 1, wherein: The top of the detection bin is provided with an observation port, and the top of the box is provided with an observation window opposite to the observation port.

7. The constant temperature, constant humidity, constant pressure sensor calibration device of claim 1, wherein: The real-time monitoring mechanism adopts a temperature and humidity pressure sensor.

Images