13 results about "Electronic monitors" patented technology

This disclosure relates to a hydraulic excavator and its hour counter anti-tampering method and system, as well as an electronic monitor. The anti-tampering method for the hydraulic excavator hour counter includes: when the hour counter count changes, the electronic monitor determines whether there is suspicious activity in the hour counter; if suspicious activity is found, the electronic monitor actively drives the engine speed to change, wherein the engine of the hydraulic excavator is a mechanical engine; the electronic monitor acquires the current engine speed; the electronic monitor determines whether the current engine speed is consistent with a set speed; if the current engine speed is inconsistent with the set speed, the electronic monitor determines that the current hour counter count is a first invalid count. This disclosure can achieve anti-tampering of the hour counter of a hydraulic excavator based on a mechanical engine, effectively preventing the hour counter from being tampered with.

The application discloses a pipe hoisting machine based on an excavator chassis, which comprises an excavator chassis, an excavator working platform, a pipe hoisting machine working device, a rotating mechanism, a chassis horizontal inclination sensor, a rotating angle detection element, a hoisting arm angle sensor, a pin shaft sensor, an electronic monitor and a controller. The controller is connected with the chassis horizontal inclination sensor, the rotating angle detection element, the hoisting arm angle sensor, the pin shaft sensor and the electronic monitor. The working posture of the whole machine is judged by collecting the data of the horizontal inclination sensor and the rotating angle detection element. The lifting performance table under the current working condition is called according to the hoisting arm angle sensor, the pipe hoisting operation is implemented, the pin shaft sensor feedback data is collected to detect whether the construction is safe under the condition, and whether the pipe hoisting machine working device works is controlled according to the judgment result, so that the safe pipe hoisting construction on the slope is realized. The control principle of the application is simple and reliable, and is suitable for industrialization popularization and application.

The invention discloses a flow safety monitoring and prevention control method. The method comprises the steps that the installation mode of a flow meter is defined; setting an installation mode of the flow meter in the electronic monitor, and defining a corresponding button; the installation mode of the flowmeter is detected through an image recognition algorithm, and signals are connected to the controller; when forward installation is stretched out or the forward installation is retracted, a corresponding button is selected, the electronic monitor sends a corresponding installation signal to the controller, and the controller compares the signal sent by the electronic monitor with a detected image recognition signal and carries out corresponding control. A machine tool opening and closing flow automatic detection starting button is arranged in the electronic monitor, at the moment, a handle sliding key is slid, and the controller does not respond; and at the moment, entering an automatic flow verification process. The method can realize automatic detection of the flow of batch offline machines of the whole machine, is higher in production efficiency and more accurate in data, and avoids the problem that the flow meter is damaged due to the reverse flow direction of hydraulic oil caused by manual operation of a bidirectional feather key of a handle.

The invention discloses a single-proximity-switch bidirectional buffer limiting system and a control method. A limiting enabling switch, a proximity switch, an A-direction motion detection module, a B-direction motion detection module, an A-direction motion speed regulation module, a B-direction motion speed regulation module and an electronic monitor are in signal connection with a controller; the limiting enabling switch is used for controlling the opening and closing of a limiting function; the proximity switch is used for transmitting the detection state of the proximity switch to the controller in the movement process; the A-direction motion detection module and the B-direction motion detection module are used for detecting the motion operation direction of equipment or parts; the controller further comprises a counter which is used for recording the position of the proximity switch and the movement limiting state of equipment or parts. The A-direction movement speed regulation module and the B-direction movement speed regulation module are used for movement buffering control and limiting control; the electronic monitor is used for operation and fault reminding. Two proximity switch detection points are respectively arranged in two directions, and high-speed motion buffering and high-speed accurate position limiting are realized by adopting an FSM control algorithm.

The invention discloses a monitoring interface control method and system, a medium and equipment. The monitoring interface control method comprises the steps that the rotating speed of an engine and a safety control device signal are obtained; when the rotating speed of the engine exceeds a preset rotating speed threshold value and the signal of the safety control device is an effective trigger signal, starting an automatic main interface returning program; otherwise, forbidding the program of automatically returning to the main interface; automatically returning to the main interface program, and executing the following steps: judging whether the real-time interface state of the electronic monitor is in the main interface containing the video monitoring picture or not; if not, continuously monitoring an operation timeout condition and a mechanical operation condition, and triggering an interface jump instruction when any one of the conditions is met; the operation timeout condition is that the non-operation time of the user reaches a preset time threshold value, and the mechanical operation condition is that an operation action signal of an engineering mechanical execution mechanism is detected; if yes, the current display interface is maintained. According to the invention, the engineering machinery can display the main interface containing the video monitoring picture, and the mandatory view requirement is met.

The present invention discloses a machine tool operating system and control method thereof. The system includes a main controller and an electronic monitor, a left handle, a right handle, and a solenoid valve group, respectively connected to the main controller. The electronic monitor is used for function selection and status display, and includes a machine tool control component custom interface and a main interface. The machine tool control component custom interface includes an analog switch, a left handle button, a right handle button, a self-reset setting button corresponding to the analog switch, a control component group disable setting button, a control component group selection button, a control component group function swap button, and a control component group two control component function swap button. The main interface includes an analog switch operation area. The main controller is used to control the left handle, the right handle, and the solenoid valve group to perform corresponding actions based on the function selection signal of the electronic monitor. The present invention can improve program compatibility, provide multiple operation modes, enhance operational convenience, reduce costs, and improve operational safety and human-computer interaction.

The invention discloses an electronic monitor for oil leakage of a gas relay, and relates to the technical field of monitor devices, the electronic monitor comprises the gas relay mounted on an oil guide pipe, two groups of fixing parts are configured on the oil guide pipe at two ends of the gas relay, and a frame body is hung on the oil guide pipe through the fixing parts; through the oil guide part, by means of a lipophilic drainage wire and a funnel-shaped oil guide structure, even if the device is in a non-vertical state, it can be ensured that oil drops are accurately gathered into a detection area through oil film adhesion, the detection part adopts the open type capacitance detection principle, and through cooperation of a metal detection plate and a signal processing unit, the oil drops can be accurately captured and converted into pulse signals; in combination with the oil leakage level divided by the oil drop interval time and the brightness dynamic feedback of the first indicating lamp, trace, small and obvious oil leakage states can be visually and accurately distinguished, and missing report and false report are effectively avoided.

This invention relates to the field of power electronics monitoring technology, and discloses a method, electronic device, and storage medium for intelligent fault diagnosis of bidirectional power supplies. The method includes: acquiring sample signals from the bidirectional power supply under historical operating conditions; performing hierarchical decomposition on the sample signals to obtain multiple sub-band signals of different frequency bands; extracting features from each sub-band signal based on multi-level entropy to obtain complexity features; fusing all complexity features to obtain integrated features; and constructing a fault diagnosis model based on the integrated features and a preset machine learning algorithm to perform online fault diagnosis of the real-time operating conditions of the bidirectional power supply. In this invention, the integration of multi-level entropy combined with a hierarchical decomposition strategy mines multi-band fault information from sample signals from different angles, ensuring the richness and diversity of the acquired fault information, which is beneficial for further improving the accuracy of bidirectional power supply fault diagnosis.

In recent years, people pay more and more attention to self health monitoring management, and wearable intelligent electronic products with various forms such as a bracelet, a finger ring, a watch and a finger clip and monitoring functions of heart rate, blood oxygen, motion recording and positioning are successively marketed, so that daily health monitoring of people is greatly facilitated; although the existing first-aid medicine box technology solves the problem that medicines are carried about to realize hand-lifting medicine feeding, the function is single, and the intelligent health monitor connected in series on the watchband of the watch comprises an electronic monitor and a connecting device, brand new electronic health monitoring equipment can be formed after the connecting devices at the two ends of the electronic monitor are connected with the watch or the watchband in a matched mode, the intelligent health monitor connected to the watchband of the watch in series is matched with any watches, personalized use of a user is facilitated, carry-on wearing is strengthened, and the intelligent health monitor is used for daily health monitoring of people and also can be used for health monitoring of people. The watch can also be used together with a wristwatch first-aid box, and first aid can be carried out at any time in emergency, so that the watch has more functions.

The application provides a control method and system of an air conditioning system, the control method comprising the following steps: obtaining high-pressure side refrigerant pressure and low-pressure side refrigerant pressure of a compressor of the air conditioning system; judging an operation state of the air conditioning system according to the high-pressure side refrigerant pressure and the low-pressure side refrigerant pressure of the compressor; and controlling the operation of the air conditioning system according to the operation state of the compressor. The method detects pressure sensor pressure signals and feeds back to an electronic monitor, and the electronic monitor judges whether the high-pressure side pressure and the low-pressure side pressure are in a normal range. In the case that a refrigeration switch is opened, the low-pressure side pressure is abnormally increased, the high-pressure side pressure is abnormally decreased, the electronic monitor alarms, and a clutch electromagnet is automatically disconnected, so that the driver can continue to work and repair at a proper opportunity, and a belt breakage or even a more serious accident caused by the compressor seizure can be avoided.

A smart health monitor connected in series to a watch strap of a watch, comprising an electronic monitor (1) and connecting apparatuses, wherein the connecting apparatuses at two ends of the electronic monitor (1) can be adaptively connected to a watch (12) or a watch strap (8) to constitute a novel electronic health monitoring device. The smart health monitor connected in series to a watch strap of a watch is adapted to any watch, so as to facilitate personalized use by a user and enhance the wearability. In addition to being used for daily health monitoring of people, the smart health monitor can further be used in conjunction with a wristwatch first-aid kit to provide first aid at any time in case of an emergency, thereby endowing the watch with more functions.

The invention relates to the technical field of power electronic monitoring, and discloses a bidirectional power supply intelligent fault diagnosis method, electronic equipment and a storage medium, and the method comprises the steps: carrying out the hierarchical decomposition of a sample signal under the condition of obtaining the sample signal of a bidirectional power supply under a historical operation condition, and obtaining a plurality of sub-band signals of different frequency bands; carrying out feature extraction on each sub-band signal based on multi-level entropy to obtain complexity features, and carrying out data fusion on all the complexity features to obtain integrated features; and constructing a fault diagnosis model based on the integrated features in combination with a preset machine learning algorithm, so as to carry out online fault diagnosis on the real-time operation condition of the bidirectional power supply through the fault diagnosis model. According to the method, the multi-frequency-band fault information of the sample signals is mined from different angles by integrating the multi-level entropy and combining the hierarchical decomposition strategy, the richness and diversity of the obtained fault information are ensured, and the accuracy of bidirectional power supply fault diagnosis is further improved.

The application discloses a kind of excavator engine coupling control device and method, comprising: including mutually electrically connected main controller, switch control unit and engine controller;The main controller and switch control unit, main controller and engine controller are connected by bus respectively;Electronic monitor, emergency stop switch and emergency mode relay are connected on the main controller;By adopting power-on and start-stop switch independent design, realize power control and engine start-stop separation control, further through controller coupling start-stop, the intelligentization of start-stop control is realized, and the system can also be controlled by controller coupling flameout to realize the purpose that system key switch control electricity is uninterrupted when flameout;When controller fails, power supply and starting circuit can be switched by the contact state conversion of safety relay, and the starting circuit can be switched from coupling control to direct control by emergency mode relay, to improve the reliability of start-stop control system.