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A Remote Control Constant Temperature System Applied to Acceleration Sensor

An acceleration sensor and remote control technology, which is applied in the field of sensors, can solve the problems of acceleration sensor discrete operation difficulty, etc., achieve good cooling effect, reduce heat transfer, and precise temperature control effect

Active Publication Date: 2021-03-23
江苏省地震局
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The zero drift of commonly used acceleration sensors ranges from tens to hundreds of ug n On the order of / °C, when the working environment temperature of the instrument changes, the measurement error caused by the zero drift often cannot be ignored, and the method of temperature compensation in the later stage, because the parameters of the acceleration sensors are relatively large Discreteness is difficult to manipulate

Method used

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  • A Remote Control Constant Temperature System Applied to Acceleration Sensor
  • A Remote Control Constant Temperature System Applied to Acceleration Sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, this embodiment provides a remote control constant temperature system applied to acceleration sensors, including an incubator 1, a remote temperature control device, a temperature detection device 2, a heating source 3 and a refrigeration device 4, and the inner wall of the incubator 1 is set There is a heat soaking layer 5, and the temperature detection device 2, the heating source 3 and the refrigeration device 4 are all arranged between the incubator 1 and the heat soaking layer 5, and the remote temperature control device is electrically connected to the temperature detection device 2, the heating source 3 and the refrigeration device respectively. Device 4; the thermal insulation box 1 is also provided with a thermal insulation and heat conduction mechanism to facilitate the heat generated by the refrigeration device 4 out of the thermal insulation box 1.

[0027] The present invention is simple in structure, and the incubator can play a ...

Embodiment 2

[0029] This embodiment is a further improvement made on the basis of Embodiment 1. The specific difference between this embodiment and Embodiment 1 is:

[0030] It should be further explained in this embodiment that the heat equalizing layer 5 is made of copper. Copper has a high thermal conductivity, which is convenient for quickly absorbing the heat generated by the heating source 3 or the cold generated by the refrigeration device 4, and realizes the control of the temperature in the inner cavity of the heat equalization layer 5, so that the acceleration sensor located in the cavity is kept at a very high temperature. in steady state.

Embodiment 3

[0032] This embodiment is a further improvement made on the basis of Embodiment 1 or Embodiment 2. The specific difference between this embodiment and Embodiment 1 or Embodiment 2 is:

[0033] What needs to be further explained in this embodiment is that a layer of adhesive glue 14 is provided on the inner wall of the heat equalizing layer 5 . Make a heat soaking layer 5 with a thin copper sheet with a high thermal conductivity, distribute the heating source inside the incubator, and abut against the heating source 3, and the heat generated by the heating source 3 quickly spreads to the surrounding copper sheets; In the formed cavity, a flexible glue (bonding glue layer 14) with low thermal conductivity is filled to form a heat-resistant layer, which can attenuate the temperature gradient distributed on the copper sheet, and the heat conduction to the accelerometer is relatively uniform; The heat equalizing layer 5 composed of the skin and the heat-resistant layer composed of ...

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Abstract

The invention belongs to the technical field of sensors, and discloses a remote control constant temperature system applied to an acceleration sensor. The remote control constant temperature system comprises a heat preservation box, a remote temperature control device, temperature detection devices, heating sources and refrigerating devices, wherein a soaking layer is arranged on the inner wall ofthe heat preservation box; the temperature detection devices, the heating sources and the refrigerating devices are all arranged between the heat preservation box and the soaking layer; the remote temperature control device is respectively and electrically connected with the temperature detection devices, the heating sources and the refrigerating devices; and heat preservation and conduction mechanisms which can conveniently guide the heat generated by the refrigerating devices out of the heat preservation box are further arranged on the heat preservation box. According to the remote controlconstant temperature system applied to the acceleration sensor, the remote monitoring is conveniently carried out, the heating sources are conveniently controlled to heat, or the refrigerating devicesare conveniently controlled to refrigerate, so that the heat preservation box is in a constant temperature state, and the temperature control effect is more accurate; and the heat generated by the refrigerating devices is guided out of the heat preservation box while the heat preservation is carried out, so that it is ensured that the refrigerating effect is better and faster, and the constant temperature is further conveniently and quickly achieved.

Description

technical field [0001] The invention belongs to the technical field of sensors, and in particular relates to a remote control constant temperature system applied to an acceleration sensor. Background technique [0002] An accelerometer is a sensor capable of measuring acceleration. It usually consists of mass block, damper, elastic element, sensitive element and adjustment circuit. During the acceleration process, the sensor uses Newton's second law to obtain the acceleration value by measuring the inertial force on the mass block. The zero drift of commonly used acceleration sensors ranges from tens to hundreds of ug n On the order of / °C, when the working environment temperature of the instrument changes, the measurement error caused by the zero drift often cannot be ignored, and the method of temperature compensation in the later stage, because the parameters of the acceleration sensors are relatively large Discreteness is difficult to manipulate. [0003] In the fiel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D81/18B65D85/38
CPCB65D81/18B65D85/38
Inventor 詹小艳徐顺强
Owner 江苏省地震局