6results about How to "Meet precise requirements" patented technology

The utility model discloses a culture medium split charging device, and relates to the technical field of culture medium split charging. The device structurally comprises a peristaltic pump, a rubber hose, a trigger switch, a suction guide pipe, a split charging guide pipe, a fixed rack and a split charging guide pipe mounting seat, wherein the suction guide pipe and the split charging guide pipe are mounted at two ends of the rubber hose; the rubber hose is mounted on the peristaltic pump; and the split charging guide pipe mounting seat is clamped and mounted on the fixed rack through bolts and nuts. According to the utility model, the starting and stopping of the peristaltic pump are controlled by adopting the trigger switch, an operator can start the peristaltic pump to carry out split charging and pipetting only by manually triggering the trigger switch, the operation is simple and convenient, and the split charging efficiency is improved; the peristaltic pump has a quantitative metering function, the fixed output quantity of each time of starting can be preset, the peristaltic pump pumps according to the set liquid quantity after a trigger switch is pressed down in the split charging and liquid transferring process, and the peristaltic pump automatically stops after the liquid quantity reaches a set value, so that the liquid quantity of each time of split charging of a culture medium is stable and consistent, and the working efficiency is improved. And the accurate requirement of molecular biological experiments on the culture medium split charging amount is met.

The utility model discloses a printing head assembly and additive manufacturing equipment, and relates to the technical field of additive manufacturing, and the printing head assembly comprises a base, a telescopic adjusting mechanism, a printing head body and an elastic buffer piece; the telescopic adjusting mechanism is provided with a fixed part and a movable part, the fixed part is connected to the base, and the movable part is adjustably and slidably matched with the fixed part along a first path; the printing head body is in sliding fit with the movable part along a first path, and the printing head body is used for conveying a thermoplastic wire to a printing area; the first end of the elastic buffer piece is connected to the movable part, and the second end of the elastic buffer piece is connected with the printing head body; the elastic buffering piece is used for preventing the printing head body from moving backwards on the first path under the elastic acting force. According to the scheme, fine position adjustment of the printing head on the feeding path can be achieved, meanwhile, the elastic device is arranged, so that the printing head has certain buffering capacity, and damage to the printing head caused by accidental collision is reduced.

The utility model discloses a micro-nano bubble generator capable of controlling the temperature of micro-nano bubble water, which comprises a micro-nano bubble generator main body, the input end of the micro-nano bubble generator main body is provided with an input pipe fitting I, and the output end of the micro-nano bubble generator main body is connected with a temperature control assembly through an input pipe fitting II; the temperature control assembly comprises a mounting support, a cooling fan and a cooler, the cooler is mounted at the bottom of the mounting support, the cooling fan is fixed to the top of the mounting support, and a second pipeline and a first pipeline are fixed to one side of the cooler. According to the micro-nano bubble generator, the generated micro-nano bubble generator body can be effectively cooled through cooling liquid, the temperature of the cooling liquid is monitored in real time through the temperature sensor, backflow and re-cooling of the cooling liquid which does not reach the standard are achieved in cooperation with the first three-way electromagnetic valve, the second three-way electromagnetic valve and the backflow pipe, and it is ensured that the temperature of the output cooling liquid is within the set range; and the accurate requirements of different application scenes on the temperature are met.

The utility model discloses a laser precise synchronizing signal output system, which comprises a central control system, a high-voltage switch trigger, a high-voltage generator, a high-voltage switch, a laser generating unit and detection equipment, the central control system comprises a single-chip microcomputer, a charging signal generating circuit and a synchronizing signal generating circuit. The charging signal output end of the single-chip microcomputer is connected with the high-voltage generator, and the control output end of the single-chip microcomputer is connected with the input end of the charging signal generating circuit. Three output ends of the charging signal generation circuit are respectively connected with the input ends of the high-voltage generator, the high-voltage switch trigger and the synchronous signal generation circuit, and respectively send a path of simultaneous sequence charging signals; the output end of the synchronous signal generation circuit is connected with the detection equipment to send a synchronous control signal, so that the detection equipment is started, and the delay time of the synchronous control signal can be adjusted to control various detection equipment to work synchronously.

The utility model discloses a program-controlled variable optical attenuator. The program-controlled variable optical attenuator comprises an optical splitter, a variable optical attenuation unit, an optical detector and a control unit, the optical branching device comprises a first optical branching device and a second optical branching device which are responsible for branching input optical signals, so that the flexibility and the expansibility of the system are improved. The adjustable light attenuation unit can change light transmission loss so as to adjust the light attenuation amount. The optical detector detects the attenuated optical power and transmits information to the control unit. The control unit is connected with the light detector and the adjustable light attenuation unit, and adjusts the adjustable light attenuation unit according to the light power information feedback to form a closed loop feedback system. The system can accurately control the light attenuation, track the change of the light signal in real time, ensure the stability of the output light power, improve the reliability and stability of the system, and meet the accurate requirements of different optical communication systems on the light signal power.

This utility model discloses an integrated skid-mounted pressure reducing device for high-pressure steam, relating to the field of pressure reducing devices for high-pressure steam. Existing high-pressure steam pressure reducing devices suffer from problems such as difficult condensate disposal, low energy utilization, and low integration. This device includes an inlet section assembly, a pressure reducing and regulating section assembly, an outlet section assembly, a dual condensate drainage system, and a safety protection system, arranged sequentially along the steam flow path. The system is integrated and installed on a skid-mounted base. It achieves precise condensate drainage through the dual condensate drainage assembly, closed-loop control through a pneumatic regulating valve, and optimized flow field through a gradual pipeline design. It also features dual N3 outlets for N3 steam diversion. This solves the problems of corrosion and low efficiency of traditional devices, achieving rapid installation, precise pressure reduction, high efficiency and energy saving, improving system stability and adaptability, and is suitable for steam demand in various industrial scenarios.