8results about How to "Reliable operation" patented technology

The invention discloses a sensing optical cable for detecting vibration, and belongs to the technical field of communication cables, the sensing optical cable for detecting vibration comprises an inner layer sensing optical fiber, a TPEE sleeve, an inner layer water-blocking fiber paste, a PBT sleeve, an outer layer water-blocking fiber paste and an outer sheath in sequence from inside to outside; the inner-layer water-blocking fiber paste and the outer-layer water-blocking fiber paste are both optical fiber filling paste; the optical fiber filling paste is prepared from paraffin-based hydrogenated white oil, poly-alpha-olefin synthetic oil, epoxy vinyl silicone oil, an oil separation inhibitor, a polyisobutene material, siloxane modified polyvinyl alcohol, organic ammonium modified bentonite, ferric acetylacetonate and an antioxidant. The sensing optical cable for detecting vibration is simple in structure, has excellent mechanical strength, toughness, gas barrier property, waterproofness, corrosion resistance, high and low temperature resistance, wear resistance, aging resistance, flame retardance and the like, can still ensure high stability and high sensitivity of optical fiber vibration detection in harsh environments such as underwater or underground, and prolongs the service life of the sensing optical cable.

The invention relates to the technical field of hydraulic control, in particular to a steel structure single hydraulic lifting camouflage door and a hydraulic control system thereof. The on-line analysis module is used for analyzing each node signal when the camouflage door is started and closed based on the opening and closing parameters and obtaining angular velocity deviation data corresponding to each node signal; the analysis and evaluation module is used for acquiring angular velocity deviation data corresponding to each node signal, determining an opening and closing operation instability total value, comparing the opening and closing operation instability total value with an opening and closing operation instability total threshold value, and generating a signal for judging whether opening and closing of the camouflage door are stable or not; the hydraulic correction module is used for adjusting the pressure set value of the pressure control valve based on the hydraulic control instability signal of the disguise door; the problem that the degree that the operation change of the camouflage door deviates from the normal condition is high is solved through correction of the pressure target adjustment value, and the operation stability of a hydraulic control system is guaranteed.

The utility model discloses a kind of control circuit of high-power optical fiber amplifier, it is related to optical fiber amplifier technical field, high-power optical fiber amplifier includes the first stage gain unit and second stage gain unit sequentially arranged along the transmission direction of light;Control circuit includes the control module, first gain control ring and second gain control ring connected;When starting optical fiber amplifier, control module controls first gain control ring to start first stage gain unit, and the output light power of first stage gain unit is collected, control module controls second gain control ring to start second stage gain unit when the output light power of first stage gain unit is greater than threshold light power;When closing optical fiber amplifier, control module first controls second gain control ring to close second stage gain unit, then controls first gain control ring to close first stage gain unit.The control circuit can improve the security and reliability of the high-power optical fiber amplifier application.

The utility model discloses a stretcher extension platform which comprises an extension platform support with two hanging plate frames, each hanging plate frame corresponds to a base, and the bottom of each hanging plate frame is arranged on the corresponding base through a corresponding sliding mechanism so that the extension platform support can move front and back relative to the two bases through the two sliding mechanisms. And a position locking mechanism for locking the hanging plate frame at a set position of the corresponding base is arranged between each hanging plate frame and the corresponding base. According to the stretcher extension platform, medical equipment which is being used in the transferring process can be stably supported and fixed, and front-back position adjustment and position locking can be conducted on the extension platform supports in the stretcher extension platform according to actual requirements, so that transferring of a patient is facilitated, and medical staff can operate the medical equipment which is being used conveniently; the operation is convenient, the practicability is high, and the use is stable and reliable. The utility model further discloses stretcher extension platform equipment matched with the stretcher, and the stretcher extension platform equipment has the advantages of the stretcher extension platform.

The application provides an adaptive power switching control system and device, wherein the adaptive power switching control system comprises a power switching control circuit, an external power supply circuit and an internal power supply circuit connected with a power supply end of a target device, a three-terminal voltage stabilizing circuit and a first controlled switch, wherein the reference end of the three-terminal voltage stabilizing circuit is connected with the input end of the external power supply circuit, the input end is connected with the input end of the external power supply circuit, and the output end is connected with the control end of the first controlled switch; the first end of the first controlled switch is connected with the input end of the external power supply circuit, and the second end is connected with the control end of the external power supply circuit and the control end of the power switching control circuit; and the output end of the three-terminal voltage stabilizing circuit outputs a high / low level signal according to the relationship between the voltage connected with the reference end and the preset reference voltage. By setting the three-terminal voltage stabilizing circuit, the machine shutdown caused by long power-off time of the target device is avoided, and the voltage switching time is greatly shortened.

The utility model relates to the technical field of power panels, in particular to an electric precipitation high-voltage pulse power charging power panel which comprises a substrate main body, an IGBT module is arranged on the substrate main body, the substrate main body is further fixed to a heat dissipation plate through multiple sets of connecting pieces, and electronic components on the substrate main body are located on the side face, away from the heat dissipation plate, of the substrate main body. And a heat dissipation gap with the width of 0.75-1.5 cm is formed between the heat dissipation plate and the substrate main body. According to the electric precipitation high-voltage pulse power supply charging power panel, the heat dissipation plate is fixed through the multiple sets of connecting pieces, the heat dissipation area can be increased through the heat dissipation plate, the cold and heat exchange speed can be increased, and therefore airflow near the heat dissipation gaps can be rapidly cooled, and meanwhile the airflow inlet and outlet speed is increased through the design of the heat dissipation gaps; in the operation process of a plurality of electronic components, a large amount of heat generated can be dissipated in time, so that the heat dissipation effect of the power panel is obviously improved.

The present application relates to the technical field of valve control, and discloses a valve control system using a stepping motor as a driving source, comprising a valve mechanism, a stepping motor, a motor driving module, a microcontroller and a multi-turn absolute encoder. The motor driving module is electrically connected with the stepping motor; the output shaft of the stepping motor is connected with the valve mechanism; the microcontroller is electrically connected with the motor driving module; and the multi-turn absolute encoder is connected with the stepping motor and is in communication connection with the microcontroller. The valve control system using the stepping motor as the driving source has the advantages of small size, low cost and simple control, and is beneficial to the stable and reliable operation of the valve control system. The present application also provides a control method of the valve control system using the stepping motor as the driving source, which is applied in the valve control system, increases the stability and reliability of the valve control system, reduces the failure rate of the valve control system, and is more convenient to operate and control, thereby effectively reducing the cost.

This application discloses a method, device, equipment, and medium for collaborative control of thermal management in fuel cell vehicles, relating to the field of thermal management control technology for fuel cell vehicles. The method includes: acquiring the current state information of the thermally managed object, where the current state information is a multi-dimensional state vector; generating a basic control quantity for the actuator based on the current state information; inputting the multi-dimensional state vector into a reinforcement learning policy network to obtain residual adjustment actions; superimposing the basic control quantity and the residual adjustment actions, performing physical boundary limiting and rate-of-change constraint processing to generate a target control command, and issuing the target control command to the actuator of the thermally managed object. This application enables the reinforcement learning policy to be effectively trained and reliably deployed under strict constraints ensuring the safety of the thermally managed object and the stability of the co-simulation environment, significantly improving the stability, safety, and robustness of collaborative control for thermal management in fuel cell vehicles.