Constant-temperature air bath device and method for detecting temperature controller thereof and testing aging of temperature controller
A technology of air bath and temperature controller, which is applied in the direction of testing/monitoring control system, instrument, heating method, etc., which can solve the problem of affecting product quality and detection accuracy, large error of on-off temperature of temperature controller, unstable temperature of air field, etc. problem, to achieve the effect of compact structure, good heat dissipation effect and beautiful appearance
Active Publication Date: 2012-05-02
光机电(广州)科技研究院有限公司
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[0003] At present, the domestic constant temperature air bath device usually uses a rectangular box, and the parts are scattered in the box for detection. Due to the structure of the box, the temperature uniformity in the box is not good, and the temperature of the air field is unstable. When the temperature controller is tested, the simultaneous detection of multiple parts of the temperature controller will cause a large error in the on-off temperature of the temperature controller, which will affect the product q
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[0037] Example
[0038] Such as figure 1 , figure 2 As shown, the constant temperature air bath device of this embodiment includes an outer box body 1, an upper cover 2, a heating cavity 3, and an air supply and exhaust mechanism 4; the outer box body 1 is equipped with a heating cavity 3 underneath, and the side of the outer box body is installed There is a blower and exhaust fan 7 with a control switch 34 on the top; a blower and exhaust mechanism 4 is installed under the upper cover 2, an exhaust fan 6 is installed on the side, and an insulation layer 5 is installed on the side and the top; the heating cavity 3 is composed of a support column 9 and an outer box The body 1 is connected, and the air supply and exhaust mechanism 4 is arranged by a sealing ring 26 and the shield 16 in the heating cavity 3 in close contact.
[0039] Such as image 3 , Figure 4 , Figure 5 As shown, the heating cavity 3 is mainly composed of a motor 8, a support column 9, a bottom plate 10, a bottom...
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The invention discloses a constant-temperature air bath device and a method for detecting a temperature controller thereof and testing the aging of the temperature controller. The device comprises an outer box body, an upper cover, a heating cavity and an air feed and discharge mechanism, wherein the outer box body is internally provided with the heating cavity, the side of the outer box body is provided with an air feed and discharge fan, the top part of the outer box body is provided with a control switch, the air feed and discharge mechanism is arranged below the upper cover, the side of the upper cover is provided with an air discharge fan, the side and the upper of the upper cover are respectively provided with a heat-preservation layer, the heating cavity is connected with the outer box body through a supporting column, and the air feed and the discharge mechanism is clung to a protective cover in the heating cavity through a sealing ring. Compared with the prior art, in the invention, the heating cavity is circular, air flow ring-shaped circulation and sample circumferential positioning are combined, and the accurate temperature control is realized by an air heat-conduction mode. Simultaneously, in the invention, the temperature in the heating cavity is uniformly distributed, and can be quickly raised and reduced, and the heat-preservation and heat-dissipation effects are good.
Description
technical field [0001] The invention relates to the technical field of automatic detection, in particular to a constant temperature air bath device and its temperature controller detection and aging test methods. Background technique [0002] The constant temperature air bath device is used in the electronic product production industry or in the testing center to determine product quality, stability and life; it can also be used in other occasions that require temperature and need to be tested in a constant temperature environment. [0003] At present, the domestic constant temperature air bath device usually uses a rectangular box, and the parts are scattered in the box for detection. Due to the structure of the box, the temperature uniformity in the box is not good, and the temperature of the air field is unstable. When the temperature controller is tested, the simultaneous detection of multiple parts of the temperature controller will cause a large error in the on-off tem...
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Inventor 王芳罗宇强梁旭明赖顺桥邓向明翁纪钊程在学
Owner 光机电(广州)科技研究院有限公司
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