50results about How to "Avoid harm" patented technology

The invention discloses a weft shearing device which comprises a rack, a rapier, a scissor box and a fixed support. A transmission shaft is arranged on the fixed support, a connecting disc is arranged at one end of the transmission shaft, and a transmission device is arranged at the other end of the transmission shaft. The other side of the connecting disc is connected with the scissor box. The transmission device is fixedly mounted on the outer side of the rack. A first driving device is arranged at the position, corresponding to the transmission device, of the inner side of the rack and is a swing arm connecting rod mechanism, and the bottom of the transmission device and one end of the first driving device are connected to the two ends of a fixed shaft mounted at the bottom of the rack respectively. The weft shearing device is ingenious in concept, scientific and reasonable, the chain wheel and chain transmission device and the transmission shaft do alternate rotating motion clockwise and anticlockwise, the situation that injuries are caused by winding and hauling in to the human body is effectively avoided, and the safety of equipment operation is improved. The swing arm connecting rod mechanism is simple in structure, convenient to mount, good in stability and small in assembly abrasion, so that the service life of the scissor box and other overall assemblies is prolonged.

The invention relates to a balance control method for voltage source type symmetric bipolar converters, which controls an anode converter and a cathode converter respectively; neutral current closed-loop control, which takes zero neutral current as a control target and adopts a neutral current sampling value as feedback to perform PI control, is added; the output of the neutral current closed-loop control is used for overlapping commands of active power related control in anode and/or cathode control. The balance control method for the voltage source type symmetric bipolar converters provided by the invention presets a neutral current command to be zero through the balance control closed-loop, and achieves closed-loop control of the neutral current through PI control by making difference with the sampling value. The harm of ground loop operation is avoided; and as for a metal loop type system, by adopting the balance control method provided by the invention, converter system loss can be reduced.

The invention discloses an electronically controlled parking brake system, and belongs to the field of engineering machinery. The electronically controlled parking brake system overcomes the defect that vehicles cannot achieve effective braking under the working conditions of normal work, whole machine power off, power on again and the like. The electronically controlled parking brake system comprises a brake switch, a starting switch, a brake solenoid valve and an electric relay, and a power supply is correspondingly connected with the brake switch and the electric relay through the starting switch; when the starting switch is turned to the ON position, an electrical appliance normally open contract is in a turned-on state; and when the starting switch is turned to the OFF position, power is output to an electric relay coil to reversely supply power through the normally open contract, power output by the electric relay is transmitted to the brake solenoid valve through the starting switch, and accordingly the brake solenoid valve works. The electronically controlled parking brake system is mainly used for loading machines, and also can be used for other engineering machines which use planetary gearboxes.

The invention discloses a plant growth nutrient solution. In the plant growth process, various diseases, such as bacterial wilt, banded sclerotial blight, mosaic disease, seasonal febrile diseases and the like, are generated because of factors of replanting in the old soil or the factors of air, running water, plant diseases and insect pests and the like. Especially, plants which are replanted in the old soil are lack of enough protection from plant endogenous hormones and active enzyme, thus the plants can not resist infection and invasion of various germs and viruses. In the plant growth nutrient solution, superoxide dismutase is combined with other plant growth hormones and regulators, and thus the plant growth nutrient solution has strong antioxidant capability and effect on accelerating plant growth. After the plant growth nutrient solution is applied on plants, in-vivo oxygen free radical content is lowered, toxic action on plants by the oxygen free radicals is lightened, the premature senility phenomenon of plants is eliminated, harm on plants by various germs and viruses can be prevented, and the quality and the yield of the plants are improved.

The invention belongs to the technical field of production of semiconductor equipment, and provides a high-temperature chemical vapor deposition system and high-temperature chemical vapor deposition equipment. The high-temperature chemical vapor deposition system comprises an insulated heating barrel and a bottom box which is fixedly arranged at the bottom of the insulated heating barrel, wherein heating parts are arranged on the inner wall of the insulated heating barrel, and the heating parts can generate a heating temperature above 2000 DEG C; and a telescopic device which penetrates through the bottom of the insulated heating barrel is rotatably arranged in the bottom box, a rotating device for driving the telescopic device to rotate and a ventilation assembly which communicates with the insulated heating barrel are arranged in the bottom box, and the ventilation assembly can generate air flows, and can introduce the air flows into the insulated heating barrel. According to the high-temperature chemical vapor deposition system and high-temperature chemical vapor deposition equipment, through the heating parts, the interior of the insulated heating barrel is quickly heated, thus an internal reaction can be conveniently carried out more efficiently, the insulativity of the system is enhanced, damage caused by heat radiation to the outside world is prevented, and the insulated heating barrel can be quickly cooled after the reaction is completed, so that the chemical vapor deposition heating system is more complete.

The invention belongs to the technical field of livestock breeding machines, and discloses a multi-point stable coverage suspension-type hoof trimming platform for an alpaca in a pregnancy period. Themulti-point stable coverage suspension-type hoof trimming platform for the alpaca in the pregnancy period comprises a base plate, columns are fixedly connected to all the four corners of the upper surface of the base plate, the columns at the left side of the upper surface of the base plate are fixedly connected with the corresponding columns at the right side face through transverse rods, the left and right ends of the upper surfaces of the two transverse rods are fixedly connected with the two ends of two V-shaped rods respectively, and the two V-shaped rods are fixedly connected through amounting plate. According to the multi-point stable coverage suspension-type hoof trimming platform for the alpaca in the pregnancy period, through the arrangement of a suspending device, the four limbs of the alpaca are fixed, the alpaca can be stably lifted, and the standing posture of the alpaca is not changed; the influence on a fetus in the abdomen of the alpaca in the hoof trimming process is lowered to the greatest extent, and the situation that the alpaca in the pregnancy period aborts is avoided.

A safety airbag activation control system and method are applied to a vehicle. The vehicle includes a steering wheel, a storage device and an actuating unit. The steering wheel includes a depth camera, an electronic gyroscope and a safety airbag. The described airbag activation control system and method continuously captures the scene in front of the steering wheel with a depth camera to obtain a three-dimensional image of the scene, and uses the three-dimensional humanoid detection technology to detect whether a dangerous situation occurs during the driving of the vehicle. When a sudden emergency or dangerous situation is about to occur during the process, the vehicle’s airbag protection device will be activated actively through the actuation unit, so that the airbag will have a longer working time to complete the inflation work before the vehicle collides, preventing the driver from being in a safe environment. Hitting an airbag while it is inflating can cause more serious injuries.

The invention discloses an electronic moxibustion head. The electronic moxibustion head comprises a heating device and a bracket, wherein the heating device is fixed to the bracket through a mountingseat; a moxibustion body for moxibustion is arranged below the bracket, and is detachably connected and fixed to the mounting seat through a moxibustion cover; the heating device is connected with themoxibustion body; the mounting seat comprises an upper housing and a lower housing; an accommodating cavity is formed in the upper housing; the heating device is arranged in the accommodating cavity,and comprises an insulating base, a power source assembly and a control circuit board; the heating assembly is arranged in the insulating base, and is electrically connected with the control circuitboard; and a sensor assembly is arranged in the lower housing, and is connected with the control circuit board. The invention also discloses an intelligent electronic multi-acupoint moxibustion. The intelligent electronic multi-acupoint moxibustion comprises the electronic moxibustion head and a sleeving piece which is made of flexible materials and used for connecting and fixing the electronic moxibustion head. The electronic moxibustion head is simple in structure and very practical.

The invention provides a safety helmet. The safety helmet comprises a helmet body and an electronic recording device mounted on the helmet body. The helmet body can protect the head of a wearer and avoid damage from impact; the electronic recording device can record the operation actions of the wears; meanwhile, by being mounted on the helmet body, the electronic recording device can record the operation actions of the wearer in real time, thereby being beneficial to finding out safety flaws through analysis of the operation record and further avoiding safety accidents.

The invention discloses a fabric assembly of a vehicle and the vehicle. The fabric assembly of the vehicle comprises at least one of an early warning display layer, a catalytic conversion layer and anadsorption layer. The early warning display layer reacts with harmful volatile substances in the vehicle to send out early warning information; the catalytic conversion layer can catalyze harmful volatile substances so as to convert the harmful volatile substances into harmless substances; and the adsorption layer is used for adsorbing harmful volatile substances. Therefore, the early warning display layer, the catalytic conversion layer and the adsorption layer are matched, and when harmful volatile substances exist in the vehicle, the fabric assembly can send out early warning information,passengers in the vehicle can know the air quality condition in the vehicle, moreover, harmful volatile substances, non-toxic and harmless oxygen and water can be released into the air, and the harmful volatile substances can be adsorbed, so that the air quality in the vehicle can be effectively improved, the riding experience of passengers can be improved, and the harm to the health of the passengers in the vehicle can be avoided.

The technical scheme of the invention discloses a child seat with a splash proof assembly and a pawl energy locking mechanism and relates to the field of child safety seats. Spring dampers are additionally arranged in a base, a backrest, a headrest and other parts of the child safety seat, and buffering and energy absorbing during impacting are facilitated, so that child physical injuries caused by impact are decreased; meanwhile, an FIX unlocking assembly, a pedal assembly and a seat belt assembly of the child safety seat are optimized, and the practicability is provided; and in addition, the splash proof assembly is added, and a child is prevented from being injured by splash substances during impacting.

The invention relates to traditional Chinese medicine composition for treating chronic glomerulonephritis and a preparation method of the traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from raw medicinal materials as follows: radix rehmanniae praeparata, rhizoma dioscoreae, fructus lycii, fructus corni, semen cuscutae, tortoise-plastron glue, deer-horn glue, polyporus umbellatus, poria cocos, radix bupleuri, rhizoma atractylodis macrocephalae, ramulus cinnamomi, periostracum cicada, radix saposhnikoviae, rhizoma imperatae and radix achyranthis bidentatae. The prescription of the traditional Chinese medicine composition for treating chronic glomerulonephritis is reasonable, functions of tonifying both kidney yin and yang, the kidney tonifying effect is stable and lasting, by means of tonifying for the kidney and the spleen, kidney essence is sufficient, spleen transportation is strong and healthy, protein and blood circulation are normal, so that while nephron loss of chronic glomerulonephritis is treated fundamentally, symptoms such as proteinuria, hematuresis, hypertension and the like can be relieved effectively, both the symptoms and root cause are treated, and the traditional Chinese medicine composition is applicable to treatment of patients with various types of chronic glomerulonephritis.

The invention discloses a novel vaginal cervical self-examination instrument, which comprises a shell. The shell comprises an upper shell body and a lower shell body, the upper shell body and the lower shell body are in screw connection to form a storage cavity, a port portion of the storage cavity is provided with a lens, and the front end of the lens is provided with a seal part. A PCB board andan electric motor are arranged in the storage cavity and connected with a battery, and a WiFi signal transmitter is integrated on the PCB board. Adoption of a dilator for assistance is avoided, and accordingly injuries of human bodies are avoided; the instrument can be directly used for examination or massage and can be connected with a mobile phone and tablet computer APP through wireless transmission and is also available for projection on a large screen to realize simultaneous watching through a projection converter, a user can operate the instrument to complete examination individually, and examination results acquired from video recording or picture taking can be stored in electronic devices, so that personal privacy can be highly protected; due to disposability of a detection sleevepart and a massage sleeve part, safety and hygiene are guaranteed.