CN-224216649-U - Food residue detection equipment based on gas chromatograph

CN224216649UCN 224216649 UCN224216649 UCN 224216649UCN-224216649-U

Abstract

The utility model belongs to the field of food safety and analytical chemistry, and particularly relates to food residue detection equipment based on a gas chromatograph, which comprises a detection box and a detector, wherein the detection box is used as a main body part of the equipment, a heating element and the gas chromatograph are integrated in the prior art, the detector is arranged at the top end of the detection box, the detection box further comprises a magnetic-type heat preservation cover, a magnetic-type plate and the like, the magnetic-type plate with a square-shaped structure is fixedly connected to the front part of the detection box and avoids the movable area of a box door of the detection box, and the magnetic-type heat preservation cover is magnetically attracted to the front part of the detection box through the magnetic-type plate. Through at the anterior installation magnetism of detecting box and inhale formula heat preservation cover, can ensure the stability of detecting box inside and outside temperature, even when opening the detecting box and carrying out chromatographic column and change the operation, owing to magnetism inhale formula heat preservation cover and the dual protection of thermal insulation operation gloves, whole operation flow can both effectively prevent that temperature variation from producing harmful effects to experimental data, ensures the stability and the reliability of experimental result.

Inventors

LI YOU
HE JIAO
SONG HONGQIANG

Assignees

深圳市田律嘉禾环保科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250528

Claims (6)

1. Food residue check out test set based on gas chromatograph, including detection case (1) and detector (2), detection case (1) are as the main part of equipment, adopt prior art, integrate heating element and gas chromatograph, and the top at detection case (1) is installed in detector (2), its characterized in that: The magnetic type heat preservation cover (3), the heat insulation operation gloves (4), the temperature-resistant glass (53), the magnetic absorption plate (6), the temperature control module (7) and the fixed splint (8), the magnetic absorption plate (6) of the mouth word structure is fixedly connected to the front portion of the detection box (1), and avoid the movable area of the box door of the detection box (1), the magnetic absorption type heat preservation cover (3) is magnetically absorbed to the front portion of the detection box (1) through the magnetic absorption plate (6), the two heat insulation operation gloves (4) are distributed in a left-right mode, the front portion of the magnetic absorption type heat preservation cover (3) is fixedly connected, the palm portion and the fingerstall portion of the heat preservation cover extend to the inside of the magnetic absorption type heat preservation cover (3), the wrist portion of the heat preservation cover extends to the outside of the magnetic absorption type heat preservation cover (3), the temperature-resistant glass (53) is fixedly connected to the front portion of the magnetic absorption type heat preservation cover (3), the temperature control module (7) is installed inside the magnetic absorption type heat preservation cover (3), and is electrically connected to a heating element inside the detection box (1), and the fixed chromatographic column is used for fixing the fixed chromatographic column and is installed inside the heat preservation cover (3).
2. The food residue detection device based on the gas chromatograph, as set forth in claim 1, further comprising a baffle (5), wherein the two sliding grooves (52) are distributed in a bilateral symmetry manner and are arranged at the front part of the magnetic heat preservation cover (3), and the baffle (5) is slidably connected between the two sliding grooves (52) and is positioned in front of the heat resistant glass (53) to completely shield the heat resistant glass (53) from the front direction.
3. A food residue detection apparatus based on a gas chromatograph as claimed in claim 2, characterized in that the front part of the baffle (5) is provided with a cylindrical handle.
4. The food residue detection apparatus based on a gas chromatograph according to claim 3, further comprising a magnetic strip (51), wherein the magnetic strip (51) is fixedly connected to the upper portion of the baffle (5).
5. A food residue detection apparatus based on a gas chromatograph as set forth in claim 4, wherein the rear side of the magnetic shield (3) completely covers the front side of the magnetic plate (6) in front view.
6. A gas chromatograph-based food residue detection apparatus as set forth in claim 5, wherein the palm portion and the finger stall portion of the heat insulating operation glove (4) are made of a flexible material having great elasticity.

Description

Food residue detection equipment based on gas chromatograph Technical Field The utility model belongs to the field of food safety and analytical chemistry, and particularly relates to food residue detection equipment based on a gas chromatograph. Background Food residue detection equipment based on gas chromatograph is a high-precision analytical instrument designed specifically for detecting residual substances in food. The equipment adopts a gas chromatography technology, and realizes the accurate quantitative analysis of harmful substances such as pesticide residues, veterinary drug residues, additive residues and the like by separating and detecting each component in food samples. The method integrates modern electronic technology, computer technology and high-efficiency chromatographic separation technology, and has the characteristics of high sensitivity, high resolution and high automation. The equipment is widely applied to the fields of food safety monitoring, quality control, scientific research and the like, and provides powerful technical support for guaranteeing public health and promoting the healthy development of the food industry. In the detection process, temperature control is critical to ensure separation effect, and accurate temperature management can ensure that compounds are separated in an expected manner, so that accurate and reliable analysis results are obtained. However, when replacing a chromatographic column, it is often necessary to frequently open and close the detection box, and such an operation may cause temperature fluctuations within the detection box, thereby affecting consistency and reproducibility of experimental results. Therefore, there is a particular need for a food residue detection device based on a gas chromatograph to solve the above problems. Disclosure of utility model In order to overcome the defect that the temperature fluctuation in the detection box can be caused by frequent opening and closing of the detection box and replacement of chromatographic columns in the detection process, and the consistency and repeatability of experimental results are affected, the utility model provides food residue detection equipment based on a gas chromatograph. The food residue detection equipment based on the gas chromatograph comprises a detection box and the detector, wherein the detection box is used as a main body part of the equipment, a heating element and the gas chromatograph are integrated in the prior art, the detector is arranged at the top end of the detection box, the food residue detection equipment further comprises a magnetic heat preservation cover, heat insulation operation gloves, heat-resistant glass, a magnetic plate, a temperature control module and a fixed clamping plate, the magnetic plate of a square structure is fixedly connected to the front part of the detection box and avoids the movable area of a box door of the detection box, the magnetic heat preservation cover is magnetically attracted to the front part of the detection box through the magnetic plate, the two heat insulation operation gloves are distributed in a left-right mode and fixedly connected to the front part of the magnetic heat preservation cover, the palm part and the finger sleeve part of the detection box extend to the inside of the magnetic heat preservation cover, the wrist part of the detection box extends to the outside of the magnetic heat preservation cover, the heat-resistant glass is fixedly connected to the front part of the magnetic heat preservation cover, the temperature control module is arranged inside the magnetic heat preservation cover and is electrically connected with the heating element inside the detection box, and is used for fixing the heating element inside the detection box and is arranged in the magnetic heat preservation column. Further, the heat-insulating cover further comprises a baffle, wherein the two sliding grooves are distributed in a bilateral symmetry mode and are arranged at the front part of the magnetic heat-insulating cover, the baffle is connected between the two sliding grooves in a sliding mode and is positioned in front of the heat-insulating glass, and the heat-insulating glass is completely shielded from the front direction. Further, a cylindrical handle is arranged at the front part of the baffle plate. Further, the device also comprises a magnetic attraction strip which is fixedly connected to the upper part of the baffle plate. Further, the rear side surface of the magnetic heat preservation cover completely covers the front side surface of the magnetic plate under the front view. Furthermore, the palm part and the fingerstall part of the heat insulation operation glove are made of flexible materials with large elasticity. The magnetic type heat preservation cover is arranged at the front part of the detection box, so that the stability of the temperature inside and outside the detection box can be ensured, and even when th