17results about How to "Change traffic" patented technology

The embodiment of the invention provides an immersed liquid cooling box, and relates to the field of battery heat dissipation and cooling. The immersed liquid cooling box comprises an outer shell, a partition plate and an adjusting device, the partition plate is arranged in the outer shell, a first cavity and a second cavity are defined by the partition plate and the outer shell, the first cavity and the second cavity are both communicated with an external liquid cooling medium, a plurality of through holes are formed in the partition plate and can be communicated with the first cavity and the second cavity, and the adjusting device is arranged on the partition plate. The liquid cooling medium can circulate between the first chamber and the second chamber through the through hole; the adjusting device is used for adjusting the overflowing section area of the through hole and changing the flow of the liquid cooling medium in the second cavity, so that the local temperature of the battery module in the second cavity is changed, and the temperature uniformity of each part of the battery module is improved.

The utility model discloses a medical instrument for treating cervicitis and cervical HPV (human papillomavirus) infection, which comprises a liquid medicine storage bag in which treatment medicine is stored, a conveying pipeline is fixedly arranged outside the front end of the liquid medicine storage bag, and a spraying head is arranged at the top end of the conveying pipeline. The spraying head is used for spraying out treatment liquid medicine to achieve the purpose of treating cervicitis and cervical HPV infection, handheld finger rings are installed on the left side and the right side of the root of the conveying pipeline, an installation ring is installed outside the conveying pipeline, and expansion mechanisms are installed on the left side and the right side of the installation ring. According to the medical instrument for treating cervicitis and cervical HPV infection, a novel structural design is adopted, an expansion mechanism is arranged, expansion plates on the left side and the right side of a conveying pipeline enter the vagina of a patient along with the device in the using process of the device, then the expansion plates on the left side and the right side rotate outwards, the vagina of the patient is expanded, and therefore the vagina of the patient is expanded. Therefore, friction between the conveying pipeline and the body of a patient when the conveying pipeline extends into the body is reduced, and discomfort of the patient is relieved.

The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a fishway and a regulation and control method thereof. The fishway comprises an overflowing channel composed of fishway side walls and a fishway bottom plate, and a sliding rod is installed in a straight section of the overflowing channel and is parallel to the overflowing channel. A plurality of partition plates are arranged on the sliding rod in series and are in sliding fit with the sliding rod, and the two end faces and the bottom faces of the partition plates are in sliding fit with the inner wall face of the overflowing channel. The sliding rod is provided with a plurality of pin holes, the pin holes are evenly distributed in the axial direction of the sliding rod at intervals, and stop pins are inserted into the pin holes. A plurality of water and fish passing holes are formed in the partition plate, and an opening and closing structure is arranged on each water and fish passing hole and used for closing or opening the water and fish passing hole. According to the fishway provided by the invention, the problems that the number of fishway pond chambers and the flow state of the fishway pond chambers cannot be adjusted in the prior art are solved.

The invention relates to an impact-reducing electromagnetic unloading control system for a pump and an impact-reducing control method of the impact-reducing electromagnetic unloading control system for the pump, an outlet of an emulsion pump of the impact-reducing electromagnetic unloading control system for the pump is connected with a load through a one-way valve, and an unloading overflow valve and an unloading main valve are arranged between the outlet of the emulsion pump and an inlet of the one-way valve; hydraulic control pilot control oil ways of the unloading overflow valve and the unloading main valve are connected with an oil tank through a first electromagnetic pilot valve and a second electromagnetic pilot valve respectively, and the hydraulic control pilot control oil ways of the unloading overflow valve and the unloading main valve are connected with an outlet of the emulsion pump at the positions before the hydraulic control pilot control oil ways are connected with the first electromagnetic pilot valve or the second electromagnetic pilot valve. A pressure collector in transmission connection with a controller is arranged at an inlet of the load, the controller is in control connection with a circuit on-off device of the first electromagnetic pilot valve and a circuit on-off device of the second electromagnetic pilot valve, and the flow of the unloading main valve is larger than that of the unloading overflow valve. The flow of the system is adjusted through the overflow unloading valve and the unloading main valve, the flow can be rapidly changed, and the cost is low.

The utility model relates to heat exchanger unit technical field especially intelligent heat exchanger unit, its technical scheme includes: box, the finned tube bundle is fixedly installed in the box, the first installation groove is installed in the box one end opening and intercommunication, the air injection fan is fixedly installed through the mounting bracket at the first installation groove, the air injection fan installation place's box bottom is provided with the air inlet, the air injection fan is used for conveying gas to the finned tube bundle, the second installation groove is installed in the box other end opening and intercommunication, the air exhaust fan is embeddedly installed in the second installation groove, the air exhaust fan is used for discharging the gas in the box, control assembly is installed on the box, control assembly is used for controlling the output power of air injection fan and air exhaust fan. The utility model has the advantage that adjusts the fan power under the premise of guaranteeing the heat exchange efficiency, solves the problem that the existing heat exchanger unit fan is easy to overload and has the potential safety hazard.

This invention relates to a low-pressure operation control method for a high-temperature fuel cell, comprising: obtaining the gas pressure at the outlet of the cathode gas supply pipeline of the fuel cell stack through a cathode gas pressure acquisition element, and controlling the speed of the gas pump according to the gas pressure value; obtaining the gas pressure at the outlet of the anode gas supply pipeline of the fuel cell stack through an anode gas pressure acquisition element, and controlling the pulse frequency of the gas injection valve according to the gas pressure value; changing the air demand on the cathode side of the fuel cell stack by adjusting the speed of the gas pump when the gas pressure conditions change; and adjusting the pulse frequency of the gas injection valve when the air flow on the cathode side changes rapidly, so that the instantaneous flow rate of gas in the anode supply pipeline responds quickly to the change of the gas pump speed, thereby maintaining the gas pressure ratio at the inlet of the cathode and anode sides of the fuel cell stack at the measured parameter ratio under normal gas pressure conditions, ensuring the stable output and safe operation of the high-temperature methanol fuel cell system stack.

This utility model provides a watering device for bean sprout production, comprising: a cultivation workshop; a storage rack fixedly installed inside the cultivation workshop; a support plate fixedly installed on the front side of the cultivation workshop; a guide component provided on the surface of the support plate; a spraying component threadedly engaged on the outer surface of the guide component; the guide component is used to control the movement of the spraying component; the spraying component includes a moving block, a threaded hole, a limiting hole, a connecting box, a fixing plate, a driving component, a threaded rod, and a spray cylinder. This utility model provides a watering device for bean sprout production. By installing a sliding blocking plate at the bottom of the spray cylinder, the operator can adjust the position of the blocking plate at the bottom of the spray cylinder according to the sprouting status (whether the bean sprouts have sprouted or not), thereby selectively changing the water flow rate from the spray cylinder. This allows for simultaneous changes in the water volume sprayed by the spraying component, adapting to the bean sprout cultivation process and improving the practicality of the device.

The utility model discloses a sand blasting device for a variable-frequency power-saving control cabinet, which relates to the technical field of production and processing of control cabinets and comprises a sand blasting machine cabinet, a spray head is fixed on a mounting frame, an air supply and exhaust connector is mounted on the outer side of the spray head, and a soft diaphragm is arranged in the spray head. Dust collection assemblies are arranged on the outer walls of the lower ends of the two sides of the sand blasting machine cabinet, and dust collection grooves are formed in the two side walls of the sand blasting machine cabinet. According to the utility model, the flexible diaphragm is arranged in the spray head, and the flexible diaphragm is driven to move by injecting or extracting gas into or from the spray head, so that the flow of the spray material is changed by changing a channel for conveying the spray material in the spray head, and the condition of non-uniform sand blasting is avoided. Meanwhile, the dust collecting pipes are arranged in the two side walls of the sand blasting machine cabinet, the dust collecting assemblies are arranged at the bottoms of the dust collecting pipes, and the dust collecting boxes are arranged in the dust collecting assemblies, so that dust generated during sand blasting can be pumped into the dust collecting boxes of the dust collecting assemblies in time to be treated, and the dust removing effect of the sand blasting device is improved.

The invention provides a gallium particle preparation device. The gallium particle preparation device comprises a box body part; the separation part is arranged in the box body part so as to separate the interior of the box body part into a first cavity and a second cavity, the separation part is provided with a hole channel, the hole channel is communicated between the first cavity and the second cavity, and the position height of the first cavity is higher than that of the second cavity; the pressure regulating part is used for regulating the internal pressure of the box body part, so that the pressure in the first cavity is higher than or equal to the pressure in the second cavity; wherein the first cavity is used for containing liquid gallium, and the second cavity is used for containing cooling liquid. According to the gallium particle preparation device provided by the embodiment of the invention, the preparation difficulty of the gallium particles can be reduced, the preparation efficiency of the gallium particles is improved, and the production cost of the gallium particles is saved.

The present invention discloses a fine-tuning flow regulator, including a turntable, a first plug-in ring fixedly arranged in the middle of the turntable, a rotating ring fixedly arranged on the inner wall of the first plug-in ring, a fixed tube movably plugged into the surface of the rotating ring, an adjustment ring fixedly arranged in the middle of the rotating ring, an adjustment cavity opened on the surface of the adjustment ring, and a second plug-in ring fixedly arranged on the top of the fixed tube corresponding to the position of the adjustment ring. The present invention drives the rotating ring to rotate by cooperating with the first plug-in ring of the turntable, and drives the adjusting cavity to rotate through the adjusting ring. Since the depth of the adjusting cavity gradually decreases from top to bottom, the adjusting cavity changes the depth of the position corresponding to the liquid inlet hole, thereby changing the flow speed of the liquid in the infusion tube in the adjusting cavity, and then changing the flow rate of the droplets. The flow rate of the liquid can be displayed by the scale line, which is more accurate than that of the ordinary infusion device, thereby achieving the purpose of facilitating the precise control of the droplet speed.

The utility model relates to the technical field of temperature control devices, and discloses a constant temperature control assembly and an ointment filling machine thereof, the constant temperature control assembly comprises a constant temperature box, the bottom end of the constant temperature box is communicated and connected with a water inlet pipe, and the wall surface of the rear end of the constant temperature box is communicated and connected with a water outlet pipe; a feeding pipe; the control assembly comprises a control screen unit and a temperature sensor, and a heating rod is arranged on the wall surface of the bottom end of the constant-temperature box; and the water inlet flow adjusting assembly comprises a circular ring plate and an elliptical plate. The heating rod is arranged to heat cold water in the thermotank cavity to reach the specified temperature, the water inlet flow adjusting assembly is arranged to control the water inlet amount entering the thermotank cavity, so that the water temperature in the thermotank cavity is always in a constant-temperature state, and it is ensured that the temperature of ointment in the feeding pipe cavity is adjusted after the ointment passes through the thermotank; the mode can ensure that the water temperature is constant and small in variation in the production process, and the temperature control effect is good.

The utility model discloses an adjustable aluminum radiator which comprises a main frame, the top of the main frame is fixedly connected with two upper connectors, a radiating frame is fixedly installed in the main frame, aluminum alloy radiating fins which are arranged at equal intervals are fixedly installed in the radiating frame, and the upper connectors are fixedly connected with the upper connectors. Two flow guide channels are formed in the aluminum alloy cooling fin. The two upper connectors are in butt joint with a cooling liquid circulating system, the bottom lower connector is in butt joint with the cooling liquid circulating system, in the normal use process, one upper connector is closed, cooling liquid enters one flow guide cavity through the opened upper connector, passes through the flow guide cavity and flows into one flow guide channel in butt joint with the flow guide cavity, and then the cooling liquid is cooled. And heat is dissipated through the aluminum alloy cooling fins, normal circulating heat dissipation is achieved, and therefore the device has the advantages that the adjusting effect can be actually and effectively improved, the flow of cooling liquid is changed, efficient heat dissipation is achieved, and switching is flexible and efficient.

The utility model relates to the field of nozzles, in particular to a flow-adjustable industrial nozzle which comprises a pipe body, a spray head, a fixed perforated plate and a rotatable perforated plate, the spray head is communicated with the upper end face of the pipe body, the fixed perforated plate is fixedly assembled in an inner cavity of the pipe body, the rotatable perforated plate is rotatably assembled in the inner cavity of the pipe body, two sides of the rotatable perforated plate are connected with locking mechanisms, and the locking mechanisms are connected with the spray head. The pipe body is sleeved with a limiting disc, a sliding groove is formed in the bottom of the hollow arm and slidably connected with the connecting rod, sliding grooves are formed in the two sides of the outer portion of the grooving annular block, and transverse grooves are formed in the two sides of the outer portion of the pipe body. According to the industrial nozzle capable of adjusting the flow, the sliding arm, the pressing plate, the connecting rod, the clamping arm and the limiting disc are additionally arranged, after the positions of the rotatable perforated plate and the fixed perforated plate are changed, the position of the rotatable perforated plate is automatically locked, and the situation that the flow of the pipe body is changed due to the fact that the rotatable perforated plate is driven by the external environment to rotate is avoided.