CN207281629U - Local temp and humidity regulator inside radon chamber - Google Patents

Abstract

The local temperature and humidity adjustment device inside the radon chamber provided by the utility model is characterized in that it includes a constant temperature and humidity box, a heat dissipation device, a heating and cooling device, a dryer, an air pump with adjustable flow rate, a temperature and humidity measurement probe, a temperature and humidity control module, Temperature and humidity display module; the heating and cooling device is attached to the outer surface of the constant temperature and humidity box, the heat dissipation device is attached to the outside of the heating and cooling device, the flow-adjustable air pump is connected to the air inlet of the constant temperature and humidity box through the dryer, and the flow-adjustable air pump The air inlet and the air outlet of the constant temperature and humidity box are placed inside the radon chamber, the temperature and humidity control module is connected to the flow-adjustable air pump, the temperature and humidity measurement probe is placed inside the constant temperature and humidity chamber and the radon chamber, and connected to the temperature and humidity control module. The temperature and humidity display module is connected to the temperature and humidity control module, and displays the temperature and humidity inside the constant temperature and humidity box, the temperature and humidity inside the radon chamber and their control status. The technical scheme used in the method is feasible and convenient, and can realize the temperature and humidity adjustment of the local area inside the radon chamber.

Description

Local temperature and humidity adjustment device inside the radon chamber

technical field

The utility model relates to the field of detection and verification, in particular to a local temperature and humidity adjustment device inside a standard radon chamber, which solves the technical bottleneck of the standard radon room temperature and humidity range being small, and provides a wider temperature and humidity range for the verification and calibration of a radon measuring instrument.

Background technique

The standard radon chamber is an important equipment for the verification and calibration of the radon meter. Its performance directly affects whether the measured data of the radon meter being verified and calibrated is accurate, and the temperature and humidity are important factors affecting the main performance of the radon meter. The temperature and humidity verification and calibration environment are very necessary for the verification and calibration of radon detectors. The radon measuring instrument is a mandatory verification equipment of the People's Republic of China, and it belongs to the measuring instrument for radioactivity measurement. The accuracy of its measurement data directly affects the accuracy of people's evaluation of the radioactivity of radon in the environment. Due to the wide range of ambient temperature and humidity and the large space of standard radon chambers, it is difficult for most standard radon chambers in China to achieve such a wide range of temperature and humidity adjustments, which affects the verification and calibration of radon detectors.

The utility model provides a local temperature and humidity adjustment device inside a radon chamber, which completes the adjustment of the local temperature and humidity inside the radon chamber, expands the range of internal humidity adjustment of the standard radon room temperature, and thereby achieves the verification or calibration of the radon measuring instrument within a wide range of temperature and humidity. The purpose is to ensure the accuracy and reliability of the radon meter measurement data.

Over the years, due to the lack of an effective low-temperature, low-humidity radon chamber to verify and calibrate the radon meter, the measurement data of the radon meter in a low-temperature and low-humidity environment is inaccurate. The utility model provides a local temperature and humidity adjustment device inside a radon chamber, realizes the regulation and control of the local environment temperature and humidity inside a standard radon chamber, increases the control range of the standard radon room temperature and humidity, and thus provides more accurate standard data for the verification and calibration of a radon measuring instrument . Therefore the method provided by the utility model is a kind of innovative technical means.

Contents of the invention

The purpose of this utility model is to establish a local temperature and humidity adjustment device inside the radon chamber, realize the regulation and control of the local environment temperature and humidity inside the standard radon chamber, and increase the control range of the standard radon room temperature and humidity, thereby providing more accurate testing and calibration for the radon measuring instrument. standard data. Through real-time detection of the temperature and humidity status inside the standard radon chamber and inside the constant temperature and humidity box, the temperature and humidity detection status is fed back to the temperature and humidity control module, and the temperature and humidity control module gives a control signal according to the temperature and humidity detection status, and the flow rate can be adjusted The air pump controls the humidity inside the constant temperature and humidity box. By controlling the heating device, the temperature inside the constant temperature and humidity box is controlled. The temperature and humidity display module simultaneously displays the current temperature and humidity inside the radon room and the constant temperature and humidity box. state. The method provided by the utility model is reasonable, the theoretical basis is sufficient, and the realized technical scheme is mature and feasible.

In order to achieve the purpose of the above-mentioned utility model, the technical solution adopted is: the local temperature and humidity adjustment device inside the radon chamber specifically includes a constant temperature and humidity box, a heat dissipation device, a heating and cooling device, a dryer, an air pump with adjustable flow rate, and a temperature and humidity measurement probe. , temperature and humidity control module, temperature and humidity display module; the heating and cooling device is attached to the outer surface of the constant temperature and humidity box, the cooling device is attached to the outside of the heating and cooling device, and the flow-adjustable air pump is connected to the air intake of the constant temperature and humidity box through a dryer The inlet of the air pump with adjustable flow rate and the air outlet of the constant temperature and humidity box are placed inside the radon chamber. The temperature and humidity control module is connected to the air pump with adjustable flow rate. Connect the temperature and humidity control module, and the temperature and humidity display module is connected to the temperature and humidity control module to display the temperature and humidity inside the constant temperature and humidity box and the temperature and humidity inside the radon chamber and the control status. The technical scheme used in the method is feasible and easy to implement, and can realize the temperature and humidity adjustment of the local area inside the radon chamber.

According to the local temperature and humidity adjustment device inside the radon chamber provided by the utility model, it is characterized in that: the constant temperature and humidity box is a metal cavity, and the cavity is provided with an air inlet, an air outlet, and the outer surface is installed with heating and cooling. The device is equipped with a circulating fan inside.

The local temperature and humidity adjustment device inside the radon chamber according to the utility model is characterized in that: the heat dissipation device is a honeycomb or grid-shaped metal heat-conducting material, which is installed on the outer surface of the heating and cooling device.

According to the local temperature and humidity adjustment device inside the radon chamber provided by the utility model, it is characterized in that: the flow-adjustable air pump is connected to the temperature and humidity control module, and is controlled by the temperature and humidity control module according to the temperature and humidity inside the constant temperature and humidity chamber. The working status of the flow adjustable electric pump;

According to the local temperature and humidity adjustment device inside the radon chamber provided by the utility model, it is characterized in that: the temperature and humidity measuring probes are respectively placed inside the radon chamber and the constant temperature and humidity chamber to monitor the inside of the radon chamber and the constant temperature and humidity chamber in real time Temperature and humidity, according to the temperature and humidity conditions monitored in real time, the temperature and humidity control module feeds back control signals.

According to the local temperature and humidity adjustment device inside the radon chamber provided by the utility model, it is characterized in that: the temperature and humidity control module is connected with a temperature and humidity measurement probe, an adjustable flow air pump, a heating and cooling device, and a temperature and humidity display module. The measuring probe senses the temperature and humidity inside the radon chamber and the constant temperature and humidity box, and through the integral and differential control algorithm, outputs a control signal to control the flow adjustable air pump and the heating and cooling device.

Description of drawings

Accompanying drawing 1 is the functional connection block diagram of the local temperature and humidity adjustment device inside the radon chamber.

Detailed ways

Embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

In Figure 1, the heating and cooling device is attached to the outer surface of the constant temperature and humidity box, and the heat sink is attached to the outside of the heating and cooling device. The flow-adjustable air pump is connected to the air inlet of the constant temperature and humidity box through a dryer, and the flow-adjustable air pump The air inlet and the air outlet of the constant temperature and humidity box are placed inside the radon chamber, the temperature and humidity control module is connected to the flow-adjustable air pump, the temperature and humidity measurement probe is placed inside the constant temperature and humidity chamber and the radon chamber, and connected to the temperature and humidity control module. The temperature and humidity display module is connected to the temperature and humidity control module to display the temperature and humidity inside the constant temperature and humidity box and the temperature and humidity inside the radon chamber and the control status. Through the temperature and humidity detection module, the temperature and humidity inside the standard radon chamber and the constant temperature and humidity box are detected. According to the detected temperature data, the heating and cooling device is controlled through the temperature control module, so as to realize the purpose of controlling the internal temperature of the constant temperature and humidity box. According to the detected humidity data, through the humidity control module, the flow rate of the circulating air pump equipped with the dryer is controlled, so as to achieve the purpose of controlling the internal humidity of the constant temperature and humidity box.

The above descriptions are only preferred implementations of the present utility model. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principles of the present utility model. Various improvements and modifications that can be made by creative labor should also be regarded as the protection scope of the present utility model.

Claims (4)

1. local temp and humidity regulator inside radon chamber, it is characterised in that：Including constant temperature and humidity babinet, radiator, heating system Device for cooling, drier, flow are adjustable air pump, temperature and humidity measurement probe, temperature and Humidity Control module, humiture display module；Heating Refrigerating plant is attached to constant temperature and humidity box outer surface, and radiator is attached on the outside of heating refrigerating plant, and flow is adjustable, and air pump passes through Drier is connected to the air inlet of constant temperature and humidity babinet, and flow is adjustable air pump air inlet and constant temperature and humidity babinet gas outlet are placed in Inside radon chamber, the temperature and Humidity Control module connection adjustable air pump of flow, temperature and humidity measurement probe is placed in climatic chamber and radon chamber Portion, and temperature and Humidity Control module is connected, humiture display module connection temperature and Humidity Control module, shows constant temperature and humidity box house Humiture and its state of a control inside humiture and radon chamber.

2. local temp and humidity regulator inside radon chamber according to claim 1, it is characterised in that：The constant temperature and humidity Babinet is a metal cavity, and air inlet, gas outlet, outer surface installation heating refrigerating plant are left on cavity, and inside installation follows Ring fan.

3. local temp and humidity regulator inside radon chamber according to claim 1, it is characterised in that：The radiator Metal thermal conductive material is filled for cellular or grid, it is installed on heating refrigerating plant outer surface.

4. local temp and humidity regulator inside radon chamber according to claim 1, it is characterised in that：The humiture control Molding block, connection temperature and humidity measurement probe, flow is adjustable air pump, heating refrigerating plant, humiture display module, passes through humiture Measuring probe perceives inside radon chamber and constant temperature and humidity box house humiture state, passes through integral differential control algolithm, output control Signal processed, controls the adjustable air pump of flow and heating refrigerating plant.