Mobile metering work square cabin

Abstract

The invention discloses a mobile metering work square cabin, the interior of the square cabin is divided into a front cabin area and a rear cabin area by using two partition plates, the front cabin area is a metering work area, and the rear cabin area is a metering device storage area; the comprehensive verification equipment 1 is fixed in the middle of the front part of the metering working area and is used for metering the special detection equipment; the left side and the right side of the front part are respectively provided with a workbench 2 for electromagnetic metering; a workbench 2 is arranged on the right wall and is used for metering radio and time frequency; the left wall is provided with a workbench 2, the right side of the workbench 2 is provided with a constant-temperature and constant-humidity test box 3 used for mechanical and thermal metering, the lower part of each workbench is provided with a drawer 4 capable of bearing a metering instrument, and the upper part of each workbench is provided with a power socket, a network interface and an illuminating lamp switch; the left wall and the right wall of the metering device storage area are each provided with a metering instrument storage and transportation frame 5 used for containing a metering instrument box 6, and the right side of the access door 7 is provided with a power distribution cabinet 8.

Description

Technical Field

[0001] The present invention relates to the technical field of metrology assurance, and in particular to a mobile metrology work cabin. Background Art

[0002] The measurement and control systems, instruments and meters equipped with equipment need to be calibrated regularly. At present, they are usually sent to the metrology laboratory for verification and calibration, or the measuring instruments are transported to the site to find facilities and environmental conditions that meet the calibration requirements for on-site measurement. Since the field cannot provide the working environment required for measurement work, measurement cannot be carried out under field conditions, which limits the effectiveness of measurement. In response to the increasing demand for on-site testing / calibration, to ensure the quality of measurement, it is necessary to require that the on-site facilities and the environmental conditions of the measurement area do not have an adverse effect on the quality of the test or calibration. The quality of measurement is also related to the measurement environment. Various possible natural and human interferences are important factors affecting the measurement quality. First, monitor and record the on-site environmental conditions, and automatically control the temperature and humidity. Secondly, satellite communications, wireless communications, radar and other signals in the on-site environment will also affect the measurement quality. Therefore, creating and maintaining a good electromagnetic environment and applying electromagnetic interference protection technology are also very important for improving the measurement quality. This requires controlling the on-site electromagnetic environment and taking special shielding and filtering measures to obtain a safe electromagnetic environment to ensure the quality of measurement. Summary of the invention

[0003] According to the actual needs and characteristics of equipment metrology support, the present invention proposes a movable, electromagnetically shielded metrology work cabin, which has the characteristics of automatic temperature and humidity environment control and anti-electromagnetic radiation, and is suitable for equipment metrology support under field conditions. Compared with traditional metrology laboratories, it integrates multi-parameter metrology resources and can be moved to the site to complete metrology support. The purpose of the present invention is to solve the metrology problems of various detection equipment and instruments in field environments.

[0004] The present invention provides the following technical solutions:

[0005] The present specification provides a mobile metrology work cabin, in which two partitions are used to divide the cabin into a front cabin and a rear cabin area, the front cabin area is a metrology work area, and the rear cabin area is a metrology device storage area; a comprehensive calibration device 1 is fixed in the middle of the front of the metrology work area, which is used for the metrology of special detection equipment; a workbench 2 is arranged on the left and right sides of the front, which is used for electromagnetic metrology; a workbench 2 is arranged on the right wall, which is used for radio mechanics and time frequency metrology; a workbench 2 is arranged on the left wall, and a constant temperature and humidity test box 3 is installed on the right side of the workbench 2, which is used for mechanical and thermal metrology, a drawer 4 for carrying metrology instruments is arranged at the bottom of each workbench, and a power socket, a network interface and a lighting switch are arranged above each workbench; a metrology instrument storage and transportation frame 5 is arranged on the left and right walls of the metrology device storage area, which is used for placing a metrology instrument box 6, and a distribution cabinet 8 is arranged on the right side of the access door 7. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 This is a left side layout diagram of the interior of the metering work cabin in an embodiment of the present invention;

[0007] Figure 2 This is a right side layout diagram of the interior of the metering work cabin in an embodiment of the present invention;

[0008] Figure 3 This is a structural diagram of the metering work cabin vehicle in an embodiment of the present invention.

[0009] Figure numerals: 1. Comprehensive calibration equipment; 2. Workbench; 3. Constant temperature and humidity test chamber; 4. Drawer; 5. Measuring instrument storage and transportation frame; 6. Measuring instrument box; 7. Access door; 8. Power distribution cabinet; 9. Air inlet; 10. Air exhaust outlet; 11. Power supply port; 12. Temperature and humidity control system; 13. Return air outlet; 14. Air duct; 15. Air supply outlet; 16. Chassis; 17. Jack.

[0010] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description, claims, and drawings. DETAILED DESCRIPTION

[0011] In order to make the purpose, technical solutions and advantages of this specification more clear, the technical solutions of this specification will be clearly and completely described below in combination with the specific embodiments of this specification and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of this specification, not all of them. Based on the embodiments in this specification, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this specification.

[0012] As described herein, the term “including” and various variations thereof may be understood as open-ended terms meaning “including but not limited to,” and the term “one embodiment” may be understood as “at least one embodiment.”

[0013] Two partitions are used inside the metrology work cabin to divide the cabin into two cabins, the front cabin area is the metrology work area, and the rear cabin area is the metrology device storage area. A comprehensive calibration device 1 is fixed in the middle of the front of the metrology work area, which is used for the measurement of special detection equipment; a workbench 2 is set on the left and right sides of the front for electromagnetic measurement; a workbench 2 is set on the right wall for radio and time frequency measurement; a workbench 2 is set on the left wall, and a constant temperature and humidity test box 3 is installed on the right side of the workbench 2 for mechanical and thermal measurement. Each workbench is provided with a drawer 4 that can carry metrology instruments at the bottom, and a power socket, network interface and lighting switch are provided above each workbench. A metrology instrument storage and transportation frame 5 is set on the left and right walls of the metrology device storage area for placing metrology instrument boxes 6, and a power distribution cabinet 8 is set on the right side of the access door 7. The metrology instruments carried by the metrology work cabin can be deployed according to the metrology guarantee tasks. An air inlet 9 is set below the left bulkhead of the front of the metrology work cabin, and an air exhaust 10 is set above the right bulkhead of the rear. A power port 11 is provided on the bulkhead at the rear of the power distribution cabinet.

[0014] A temperature and humidity control system 12 is mounted on the front outer side of the metering work cabin to accurately control the temperature and humidity inside the cabin, ensuring that the ambient temperature and humidity in the metering work area remain stable.

[0015] The metrology work cabin is an electromagnetic shielding cabin as a whole. Waveguide plates are installed at the air inlet / exhaust vents, screen shielding strips and double springs are set at the entrance and exit doors, shielding springs are installed around the power port, and a power transfer shielding box is installed in the power port. The power supply is connected to the intelligent distribution box in the distribution cabinet in the cabin through a filter. The openings and door surfaces are nickel-plated. The floor of the metrology work cabin is paved with anti-static floor cloth to prevent static electricity from damaging the measuring instruments. In order to prevent power interference caused by the operation of high-power temperature and humidity control systems, the power supply of the metrology workbench adopts a vehicle-mounted integrated power supply for branch power supply. A power filter is installed at the input end of the vehicle-mounted integrated power supply to suppress common-mode noise and differential-mode noise. The above measures are used to create and maintain good electromagnetic environment conditions that meet the requirements of calibration work.

[0016] The metrology work cabin adopts a 6-meter chamfered electromagnetic shielding cabin, which is fixed on the chassis 16, and the vehicle chassis realizes the maneuverability. A total of 4 jacks 17 are installed at the front and rear ends of the chassis frame longitudinal beam to roughly adjust the balance of the whole vehicle and improve the stability of the mechanical parameter calibration operation of the metrology work cabin.

[0017] In summary, the device provided in the embodiment of the present invention has two main benefits: first, it can be mobilized to the site to carry out metrological calibration and provide environmental conditions that meet the requirements of the calibration work; second, the metrological instruments carried by the metrological work cabin can be deployed according to the metrological support tasks.

[0018] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0019] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A mobile metering work cabin, characterized in that: Two partitions are used inside the metrology work cabin to divide the cabin into two cabin areas, front and rear. The front cabin area is the metrology work area, and the rear cabin area is the metrology device storage area. A comprehensive calibration device (1) is fixed in the middle of the front of the metrology work area, which is used for the metrology of special testing equipment. A workbench (2) is set on the left and right sides of the front, which is used for electromagnetic metrology. A workbench (2) is set on the right wall, which is used for radio and time frequency metrology. A workbench (2) is set on the left wall, and a constant temperature and humidity test box (3) is installed on the right side of the workbench (2), which is used for mechanical and thermal metrology. The lower part of each workbench is Each workbench is provided with a drawer (4) capable of carrying measuring instruments, and a power socket, a network interface and a lighting switch are provided above each workbench; a measuring instrument storage and transportation frame (5) is provided on each of the left and right walls of the measuring device storage area for placing a measuring instrument box (6); a power distribution cabinet (8) is provided on the right side of the access door (7); the measuring instruments carried by the metering work cabin are deployed according to the metering support tasks; an air inlet (9) is provided below the left bulkhead at the front of the metering work cabin, and an air outlet (10) is provided above the right bulkhead at the rear; a power port (11) is provided on the rear bulkhead of the power distribution cabinet.

2. The shelter according to claim 1, characterized in that: A temperature and humidity control system (12) is mounted on the front outer side of the metering work cabin to accurately control the temperature and humidity inside the cabin, thereby ensuring that the ambient temperature and humidity in the metering work area remain stable.

3. The shelter according to claim 1, characterized in that: The metering work cabin is an electromagnetic shielding cabin as a whole. Waveguide plates are installed at the air inlet / exhaust vents. Wire mesh shielding strips and double springs are set at the entrance and exit doors. Shielding springs are installed around the power port. A power transfer shielding box is installed inside the power port. The power supply is connected to the intelligent distribution box in the distribution cabinet in the cabin through the filter. The opening and door surface are nickel-plated. The floor of the metrological work cabin is paved with anti-static floor cloth to prevent static electricity from damaging the measuring instruments; In order to prevent power interference caused by the operation of high-power temperature and humidity control systems, the metering workbench is powered by a vehicle-mounted integrated power supply for branch power supply, and a power filter is installed at the input end of the vehicle-mounted integrated power supply to suppress common-mode noise and differential-mode noise. The above measures are used to create and maintain good electromagnetic environment conditions that meet the requirements of calibration work.

4. The shelter according to claim 1, characterized in that: The metrology work cabin adopts a 6-meter chamfered electromagnetic shielding cabin, which is fixed on the chassis (16) and realizes mobility through the vehicle chassis; a total of 4 jacks (17) are installed at the front and rear ends of the chassis frame longitudinal beam for roughly adjusting the balance of the whole vehicle and improving the stability of the mechanical parameter calibration operation of the metrology work cabin.

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