Water heater type durable manipulator water heater cock, electric igniter or piezoelectric igniter, water and gas linkage valve, automatic controller, flameout protection comprehensive manipulator; water heater burner test machine; prevention of incomplete combustion device and remote control operator Durable manipulator; water heater timer, thermostat simple and durable manipulator. The durability of the burner is special, and the technical principle is based on the reliability of the robot, that is, the reliability of the test results of the durability of the burner is guaranteed. The durability test is to simulate the actual use state of the burning appliance. Although the movement is not complicated, it is quite difficult to simulate the human hand movement as much as possible. If the developed durability manipulator does not comply with certain technical principles, the test results of different test machines are not comparable, and the test results are not convincing. According to the data of foreign durability manipulators, combined with the characteristics of China's burning appliances, the following technical principles should be considered in the design: (1) Durability The manipulator should try to simulate the movement of the human hand. This principle includes two aspects: First, the durability manipulator should have soft action ability, that is, whether it is push or twist, it should be elastic or flexible, instead of hard pushing or hard screwing, otherwise it will be different from human hand movement; The force exerted by the robot on the burning appliance to be tested should be static thrust, not impact. (2) The comprehensive durability of the burning appliance should be adapted to the requirements of different burning appliances. There are many types of burning appliances, ranging from large burning appliances to small burning appliances. Different burning appliances and components have different torque requirements for the manipulator. For example, the torque required for the water heater test is large, while the small cassette furnace requires a small torque during the test. It is not possible to use a large torque manipulator to twist the small torque burner, so the comprehensive durability manipulator , to consider the issue of applicability. The technical key to the selection robot of the durability robot is how to simulate the human hand. There are two types of foreign gas-burning manipulators: one is a microcomputer-controlled test machine that monitors the thrust and torque with a computer, monitors the entire working system, and has safe and automatic printing functions. The second category is a non-computer robot with a program. Most of the robots used abroad are the second category. In view of China's production level and acceptability, it is decided to first develop a durable manipulator with adjustable program control. The durable manipulator of the burning appliance is mainly composed of a robot, a controller and a burning fixture mounting bracket. The robot drive can be divided into three types: hydraulic, pneumatic and electric, or a hybrid method. Due to the variety of burning appliances, the torque requirements vary greatly, and it is difficult to tell the pros and cons. For example, a large stove requires a large torque of the test machine, and the flameout protection or the cassette furnace can be operated with a small torque. From the experience of our durability testing machine, it is better to use pneumatic components because the air source of the pneumatic components is compressible, and the driving air source can be adjusted within a considerable range to adapt to different burning appliances. Torque requirements, the speed of the pneumatic components is more convenient to adjust, the life of the pneumatic components is more than 1.5 million times, so it is suitable for the basic components of durable robots. In order to reduce the controller size and increase the controller function, it is ideal to use an electric controller. However, electrical device life issues must be considered in design, and electrical components and control procedures below 1.5 million lifetimes are not desirable. Foreign robots with computer control are mainly used for research. This kind of microcomputer type robot considers the stroke detection, torque detection, angle detection, smoke component detection, etc. The test robot has higher requirements. The main difficulty is that the small force and torque sensors in China have not yet passed, and the investment is also high. Robots are difficult. However, this kind of manipulator has a wide range of uses, and can be used as a burning test for burning appliances, a heat exchanger fatigue test, a high temperature corrosion test, and a durability test of a movable part. At the same time, the main machine can judge and calculate a plurality of test machines at the same time, and the computer records the flue gas. Analyze the data, automatically correct and process the data and issue the appropriate instructions. Summary (1) The durability of the gas appliance is five years. The robot design is reasonable, the components are durable and have a long service life. In addition to the damage of the digital counter, other devices are more reliable. (2) The gas or plug valve that has been tested by the robot has not been controversial. It has also not been found that the plug valve is worn during the test, which causes the valve to leak. 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December 05, 2020