33 results about "Electrical ballast" patented technology

A power rail retention system includes a heated bracket assembly for supporting conducting power rails. Power rails carrying different voltages supplied by a substation rest on a support plate that includes grooves configured to accept lower sections of angled clips. Upper sections of the clips frictionally hold the power rails against the support plate. A resistor is coupled between the lower sections of at least two conductive clips and is positioned proximate a top edge of the support plate between adjacent rails. When the rails are energized, current flows through the resistor, which may generate ambient heat to evaporate moisture on the support plate, power a light source on the bracket, and provide a ballast load for the substation.

1. Name of the designed product: electronic ballast shell. 2. Use of the designed product: the designed product is used for packaging electronic ballast. 3. Design points of the designed product: the shape of the product. 4. Picture or photo best indicating the design points: perspective view.

The utility model relates to the field of electronic control boards, in particular to an integrated ballast electronic control board, which comprises a circuit board. The circuit board heat dissipation device comprises a circuit board, a heat dissipation base, telescopic frames, a rotary knob, a screw rod, a first sliding installation block and a heat dissipation installation plate, the heat dissipation base is arranged at the edge position of the front surface of the circuit board, the telescopic frames are installed on the upper face and the lower face of the heat dissipation base, and the rotary knob is arranged on the left surface of the telescopic frame on the upper side. The right surface of the interior of the upper telescopic frame is rotationally connected with one end of a screw rod, and the right surface of the knob penetrates through the left surface of the upper telescopic frame to be connected with the other end of the screw rod; the rotary knob is arranged, the screw rod is driven to rotate when the rotary knob is rotated, due to limitation of the telescopic frame, the first sliding installation block can be driven to move left and right when the screw rod rotates, and the heat dissipation installation plate is driven to move left and right when the first sliding installation block moves. Therefore, the purpose of quickly opening the outer shell of the circuit board without dismounting is achieved.

The utility model relates to a mercury lamp power supply device for a tester. The mercury lamp power supply device comprises an electronic trigger, a ballast and a relay, a first end of a normally open contact of the relay is electrically connected with one end of the power supply end, a second end of the normally open contact of the relay is electrically connected with a first end of the ballast, and a coil of the relay is electrically connected with the tester control end; the second end of the ballast is electrically connected with the first end of the load; the first end of the electronic trigger is connected to a line between the second end of the ballast and the first end of the load, the second end of the electronic trigger is electrically connected with the first end of the load, and the second end of the load is electrically connected with the other end of the power supply end. According to the mercury lamp power supply device for the tester, the overall structure is simple, maintenance is easy, the success rate of lightening the mercury lamp is high, and voltage and current provided for the mercury lamp after lightening are stable.

The utility model discloses a kind of lamp tube electric leakage protection circuit, including power supply circuit, ballast driving circuit, mode detection circuit, LED circuit and ballast switch driving circuit;The output end of power supply circuit is connected with ballast driving circuit and LED circuit respectively, for accessing commercial power or ballast, and provide direct-current power to ballast driving circuit and LED circuit after rectification processing;Ballast driving circuit is connected with ballast switch driving circuit, for the input direct-current power voltage regulation processing is handled, and power supply signal is output to ballast switch driving circuit;Mode detection circuit is connected with the input end of power supply circuit, for detecting the power supply signal of power supply circuit access, and according to power supply signal switch control signal is output to ballast switch driving circuit;Ballast switch driving circuit is connected with LED circuit, for according to power supply signal and switch control signal control the working state of LED circuit. Adopt the utility model, can realize anti-leakage protection.

The invention consists of a new sacrificial anode design that eliminates welding and reduces fixing time. This new anode design comprises a metallic appendix, which can be in the form of a hook, in order to hold and provide electrical contact between the anode and the jacket, or other part of the structure that is desired to be protected. In the contact region of the hook there will be a pointed device (3) to allow full electrical contact between the anode and the jacket element. Therefore, this electrical contact will be made by the anode's own weight, which may be added with a galvanically inert ballast to guarantee the contact until the end of the anode's lifetime.

The utility model relates to the technical field of ballasts, in particular to a luminosity-adjustable electronic ballast, which comprises a ballast main body, a protective assembly is arranged outside the ballast main body, and the protective assembly comprises top plates arranged on two sides of the top of the ballast main body and bottom plates arranged on two sides of the bottom of the ballast main body. Connecting parts are arranged between the top plates and between the bottom plates, every two adjacent top plates are connected through the connecting parts, every two adjacent bottom plates are connected through the connecting parts, a second rotating plate is opened in a rotating mode, and then the top plates and the bottom plates are arranged above and below a ballast body in a sleeving mode respectively; the first spring abuts against the ballast main body and is connected through the connecting part, and after the second rotating plate and the top plate are fixed through the fixing part, through the arrangement of the buffering part and the first spring, impact on the ballast main body can be buffered, and stable operation of the ballast main body is further guaranteed.

The utility model relates to the technical field of discharge lamp power supply, disclose a kind of self-adapting frequency modulation low-power electronic ballast, including ballast equipment, the front and back side of ballast equipment is provided with heat dissipation mechanism, the bottom of ballast equipment is provided with protective shell, the inside of protective shell is provided with protection mechanism, the bottom wall left and right sides of protective shell are provided with mounting mechanism;The heat dissipation mechanism includes two heat-conducting shells, the adjacent side of two The heat-conducting shell is respectively arranged at the front and back side of ballast equipment, and the left and right sides of ballast equipment are threadedly connected with a plurality of mounting bolts.In the utility model, heat exchange is carried out by contacting multiple heat dissipation fins with air, and the spacing between multiple heat dissipation fins is expanded by rotating the heat dissipation fins, achieving the purpose of improving heat dissipation effect and avoiding the situation that the service life of the ballast is reduced due to the entry of dust particles into its interior.

The utility model discloses a lighting ballast convenient to replace, which comprises a ballast main body and a base, both sides of the horizontal end of the ballast main body are provided with clamping grooves, the bottom of the base is fixedly connected with a bottom strip, one side of the bottom strip is fixedly connected with a fixed insertion frame, and the fixed insertion frame is combined with one of the two clamping grooves. In the application, the ballast main body is placed on the base, the ballast main body is translated to enable one group of clamping grooves on the ballast main body to be combined with the fixed insertion frame, then the pull ring and the spring are released to pull the movable insertion frame through the movable base, and the movable insertion frame is inserted into the other group of clamping grooves, so that the installation of the ballast main body can be realized; an operator only needs to pull the movable insertion frame to a limit position, and the ballast main body can be taken out by translating the ballast for a specified distance, so that the combination stability of the ballast main body and the base is ensured, and the convenience of dismounting and replacing the ballast main body is improved.

The embodiment of the utility model discloses a smoke box with adjustable ultraviolet light intensity. The smoke box comprises a reaction box and an outer cover box, the reaction box comprises a box body frame and a light-transmitting material layer, the light-transmitting material layer is enclosed in the box body frame to form a closed reaction chamber, the light-transmitting material layer is fixed with the top surface of the box body frame, and the light-transmitting material layer is provided with a first gas exchange port and a second gas exchange port which are communicated with the interior of the closed reaction chamber; the outer cover box covers the reaction box, a plurality of groups of ultraviolet lamps and dimming ballasts which are arranged in pairs are mounted on the inner wall of the outer cover box, and a stepless dimming knob and a power supply are arranged on the outer side of the outer cover box; each ultraviolet lamp is electrically connected with the corresponding group of dimming ballasts, each dimming ballast is electrically connected to the stepless dimming knob, and the stepless dimming knob and each dimming ballast are electrically connected to the power supply. According to the embodiment of the invention, a plurality of groups of ultraviolet lamps and dimming ballasts which are arranged in pairs, and the stepless dimming knob and the power supply form a circuit access, so that the illumination intensity of the ultraviolet lamps can be steplessly adjusted.

A solid-state lighting apparatus includes at least one solid-state fluorescent lamp replacement having at least one pair of connectors configured to be connected to a fluorescent lamp fixture, a solid-state lighting driver configured to power the at least one solid-state fluorescent lamp replacement, and a driver connector configured to electrically connect the solid-state lighting driver to the at least one solid-state fluorescent lamp replacement in the fluorescent lamp fixture. The solid-state lighting driver comprises a number of jumpers, the configuration of which adapts the electrical connections between the solid-state lighting driver and the at least one solid-state fluorescent lamp replacement.

The invention provides a power factor correction circuit, a driving circuit, a communication power supply, a ballast and equipment. The power factor correction circuit comprises a first capacitor, the first end of which is connected with a positive DC bus; the positive electrode of the first diode is connected with the second end of the first capacitor; the second capacitor is respectively connected with the negative electrode of the first diode and the negative direct current bus; the cathode of the second diode is connected with the positive DC bus, and the anode of the second diode is connected with the first end of the second capacitor; the positive electrode of the third diode is connected with the negative DC bus, and the negative electrode is connected with the second end of the first capacitor; the fourth diode is arranged on the positive direct current bus or the negative direct current bus; a reactor provided on the positive DC bus, the negative DC bus, or an AC line connected to the power factor correction circuit; and the first switch tube is connected in parallel with the second diode or the third diode. The circuit can improve large fluctuation of bus voltage and also raise the average voltage of the bus.

The utility model relates to the technical field of ballasts, in particular to an electronic ballast controlled by an ultraviolet lamp, which comprises a ballast shell and a ballast top cover arranged at the top of the ballast shell, the top of the ballast shell is of an opening structure, sliding plates are arranged on the periphery inside the ballast top cover, the sliding plates penetrate through the ballast shell, and the ballast shell is provided with a light source. A clamping assembly is arranged between the sliding plate and the ballast shell, and a pushing assembly is arranged in the ballast shell; after the ballast top cover is pressed on the top of the ballast shell, through the arrangement of the clamping assembly, the ballast top cover can be stably installed on the top of the ballast shell, if the ballast top cover needs to be disassembled, the clamping assembly is separated, then the ballast top cover is taken out, and parts in the ballast shell are overhauled. In conclusion, according to the utility model, the top cover of the ballast and the shell of the ballast can be conveniently disassembled and assembled, and internal parts of the shell of the ballast can be conveniently overhauled.

The application discloses a germicidal lamp electronic ballast using safe electricity, and belongs to the electronic ballast field. The electronic ballast comprises a power input circuit, a driving circuit and a voltage boosting circuit. The power input circuit supplies power to the driving circuit and the voltage boosting circuit. The voltage boosting circuit comprises a voltage booster. The input end of the voltage booster is connected with the output end of the driving circuit. The output end of the voltage booster is provided with an output port connected with an ultraviolet lamp tube. A transformer is connected between the voltage booster and the output port. The two ends of the input end of the transformer are respectively electrically connected with the voltage booster and the output port. The output end of the transformer is provided with a detection circuit. The output control end of the detection circuit is electrically connected with the input control end of the driving circuit. The voltage booster is connected with the transformer, and the detection circuit is connected through the transformer. The germicidal lamp can be steadily driven under low voltage, and the detection circuit can be steadily detected.

A light fixture includes a lighting module and a ballast. The ballast includes a housing and a power module. The shell comprises a front cover and a rear cover. The front cover includes a front wall and upper and lower fins extending from the front wall. The rear cover includes a rear wall and first and second fins extending from the rear wall. The power module includes a plurality of heat-generating semiconductor components that are thermally coupled with the back wall to facilitate cooling thereof.

The utility model discloses a novel dimmable electronic ballast, which relates to the technical field of installation of dimmable electronic ballasts, and comprises a bottom plate, a dimmable electronic ballast body, a clamping assembly, an installation shell and a sliding chute. The situation that when the ballast breaks down, maintenance personnel need to spend more time and energy to disassemble and install equipment is avoided, multiple tools do not need to be additionally used, the disassembly, replacement and installation efficiency of the dimmable electronic ballast is improved, and the structure is simple.

A high-compatibility lighting device driver comprises an input module, a rectifier module, a drive control module, a power conversion module and an inductive ballast mode control module. The input module is coupled with an external input signal. The rectifier module is connected with the input module and rectifies an input signal to generate a rectified signal. The driving control module is connected with the rectification module and comprises a control unit and a signal identification unit which are connected with each other. The power conversion module is connected with the driving control module, the control unit and the load. The inductive ballast mode control module is connected with the input module, the rectification module and the load.

The utility model relates to an LED driving circuit and an LED lamp, and the LED driving circuit comprises an AC input end which comprises a first AC input end and a second AC input end; the first voltage reduction unit is coupled between the first alternating current input end and the second alternating current input end; the rectifying and filtering unit is simultaneously coupled to the first alternating current input end and the second alternating current input end and is used for converting alternating current into direct current; the constant current unit is coupled to the rectifying and filtering unit, is used for supplying power to an LED load and is provided with a signal input end; and the adjusting unit is provided with a signal output end coupled to the signal input end, and the signal input end receives an adjusting signal of the signal output end, so that the constant current unit correspondingly changes the output power. On the basis that two working modes of the mains supply and the ballast are compatible, the output power of the LED driving circuit can be adjusted in the two working modes.

A ballast system includes a first ballast tray and a second ballast tray. The first ballast tray has a first side profile including a south leg connected to a north leg. The second ballast tray has a second side profile that is different than the first side profile. A length of the north leg of the second side profile is greater than a length of the south leg of the first side profile, and a height of the north leg of the second side profile is substantially equal to a height of the south leg of the first side profile. The north leg of the second side profile includes a curvature so as to partially curve toward the south leg of the second side profile.

An apparatus for retrofitting a HID lighting system includes using existing components of previously installed HID lighting systems such as its ballasts while replacing some capacitors to adjust the power supplied to a retrofit LED luminaire. Unused ballast drivers are removed, and a self-contained ballast driver assembly is mounted into the electronic control enclosure of the previously installed lighting system. Some of the retrofit LED luminaires include an uplighting lens, an optic, or a diffuser for providing uplight. An aiming bracket and an aiming plate allow for the horizontal aiming angle of a light luminaire to be set.

The utility model belongs to the technical field of grille lamp panels, and provides a grille lamp panel with air ports, which comprises a lamp panel main body decorative plate, a decorative plate and an electronic ballast are arranged in the middle of the lamp panel main body decorative plate, two grooves are arranged on two sides of the lamp panel main body decorative plate and serve as reflectors, lamp tubes are fixedly mounted in the reflectors, and the lamp tubes are LED light sources. Air conditioner air outlets are formed in the two outer sides of the lamp panel body decorating plate, and a mask dredging air opening device is installed in a grating air opening. According to the utility model, the grille lamp panel and the air port are ingeniously integrated, so that the dual functions of illumination and ventilation are realized, the space is saved, and the layout of an indoor suspended ceiling is simpler and more attractive. The LED lamp not only can provide efficient and uniform lighting effect, but also can cooperatively work with an air conditioning system to realize air circulation and regulation, can ensure smooth air passing, reduce wind resistance, improve the efficiency of the air conditioning system, and provide a more comfortable environment for indoor space.

An apparatus for retrofitting a HID lighting system includes using existing components of previously installed HID lighting systems such as its ballasts while replacing some capacitors to adjust the power supplied to a retrofit LED luminaire. Unused ballast drivers are removed, and a self-contained ballast driver assembly is mounted into the electronic control enclosure of the previously installed lighting system. Some of the retrofit LED luminaires include an uplighting lens, an optic, or a diffuser for providing uplight. An aiming bracket and an aiming plate allow for the horizontal aiming angle of a light luminaire to be set.

The utility model discloses a kind of remote control split type non-magnetic ultraviolet disinfection lamp special for nuclear magnetic resonance room, including split type lamp body, split type power supply and control module and timing remote controller;Split type lamp body includes the lamp holder made of non-magnetic material, the ultraviolet lamp tube and electronic ballast formed by the transparent plastic encapsulation of non-magnetic;Lamp holder can be fixed on the wall or ceiling of nuclear magnetic resonance room, lamp tube is detachably connected on lamp holder;Electronic ballast is connected using insulating plastic copper wire between lamp tube, and electronic ballast is installed in the independent power distribution control box in nuclear magnetic resonance machine room;Split type power supply and control module are installed in the independent power distribution control box in nuclear magnetic resonance machine room, including power supply, master switch and timing controller;Timing remote controller is installed in control room, for sending timing signal to timing controller remotely. Made of non-magnetic material, it can be safely used in nuclear magnetic resonance room, and will not cause interference to nuclear magnetic resonance equipment.

The utility model relates to the technical field of ballasts, in particular to an explosion-proof electronic ballast, which comprises a ballast main body, an air inlet is arranged at the top of the ballast main body, an air outlet is arranged outside the ballast main body, a mounting rack is arranged at the top of the ballast main body, and a plurality of groups of fans are fixedly connected at the top of the mounting rack. A plurality of groups of arc-shaped rings are fixedly connected to the outer part of the mounting frame, a clamping assembly clamped with the arc-shaped rings is arranged at the top of the ballast main body, the mounting frame is placed on the ballast main body, the fan corresponds to the air inlet, and then the clamping assembly is clamped with the arc-shaped rings by operating the clamping assembly, so that the fan can be mounted on the ballast main body. Therefore, preliminary installation of the installation frame and the fan is achieved. Finally, air is blown through the fan and enters the ballast main body through the air inlet for heat dissipation, so that explosion of the ballast main body caused by high temperature is avoided.

The utility model discloses a novel wide voltage LED lamp tube, including the lamp tube, the plug of setting in the both ends of lamp tube, set up in the light source board of lamp tube and set up the connecting terminal on the plug, one plug is provided with the drive circuit board of being connected with light source board, is provided with rectifier filter circuit, wide voltage conversion circuit and compatibility control circuit on the drive circuit board, rectifier filter circuit is connected with the connecting terminal, wide voltage conversion circuit is connected with rectifier filter circuit, and compatibility control circuit is connected with wide voltage conversion circuit, the utility model discloses the structure setting is reasonable, its setting wide voltage conversion circuit and compatibility control circuit, can adapt the use demand of different voltage, promotes its applicable scope, through compatibility control circuit, also can according to the use demand of different support and ballast, has promoted its versatility and working stability, also is favorable for reducing the manpower and material resources cost of installation, can satisfy the use demand of different scene.

The invention provides a plant illumination lamp. The plant illumination lamp comprises a ballast, a fixing support, two lamp holders and a lamp body. The fixing support is installed on the ballast. The two lamp holders are both installed on the fixing support and arranged in a spaced mode. The lamp holder comprises a conduction seat, a clamping seat, a first sealing piece and a second sealing piece, the clamping seat is formed on the conduction seat, the first sealing piece is connected to the conduction seat, the second sealing piece is installed on the first sealing piece, and the second sealing piece and the first sealing piece enclose the clamping seat so as to seal the clamping seat. The lamp abuts against the position between the first sealing piece and the second sealing piece and is connected between the two clamping bases in a clamped mode. According to the plant illumination lamp, under the action of the first sealing piece and the second sealing piece, irrigation water or spraying water can be prevented from being attached to the joint between the lamp and the clamping base, so that the situation of short circuit can be avoided, and potential safety hazards are eliminated.

A freezing system for preparing a frozen ballast layer sample is provided. A method of preparing a frozen ballast sample via the freezing system is also provided. The freezing system includes a cylindrical mold; a cooling blanket; at least one layer of a thermal isolation material; and a chiller unit. Further, the freezing system is configured to freeze a compacted ballast layer sample to a temperature ranging from about −10° C. to about −20° C. to form the frozen ballast layer sample. The frozen ballast layer sample can then be subjected to load testing to determine its mechanical properties under simulated progressive thawing conditions.

The utility model discloses an HID filament lamp compatible with an inductive ballast, which comprises a driving circuit and a filament lamp bulb light bar, and is characterized in that the driving circuit comprises an input protection unit for overcurrent protection and is connected with the inductive ballast; the pre-stage resistance-capacitance voltage reduction unit is connected with the inductive ballast and is used for receiving the output constant power of the inductive ballast and adjusting the output constant power to reduce the voltage and the current; the filtering unit is connected between the output end of the input protection unit and the input end of the pre-stage resistance-capacitance voltage reduction unit and is used for inhibiting electromagnetic interference; the rear-stage voltage doubling rectifying unit is connected with the output end of the input protection unit and the output end of the front-stage resistance-capacitance voltage reduction unit and used for boosting voltage so as to reduce front-stage energy efficiency loss, and a filament lamp bulb light bar is connected to the output end of the rear-stage voltage doubling rectifying unit; the output discharging unit is connected in parallel with the output end of the rear-stage voltage doubling rectifying unit and is used for balancing the discharging current; the utility model has the advantages of realizing perfect compatibility with North America inductance ballasts, improving the energy efficiency and reducing the cost.

The utility model discloses silicon steel ballast production equipment for electrical equipment, and relates to the technical field of silicon steel ballast production equipment. Comprising a mounting base, the mounting base is provided with a machining mechanism for producing a silicon steel ballast for electrical equipment, connecting roll shafts evenly distributed on the lower end face of a mounting plate descend through a second electric push rod and are attached to the upper surface of a silicon steel sheet, stable pressing of the silicon steel sheet is achieved, and manual intervention for adjusting the position of the silicon steel sheet is not needed; the production requirements of silicon steel sheets with different thicknesses are met, the universality and applicability of equipment are enhanced, one side of the silicon steel sheet conveyed to the supporting base is prevented from being tilted when the silicon steel sheet is cut, the stability of the silicon steel sheet is ensured, the silicon steel sheet can be firmly pressed on the conveying belt, and the silicon steel sheet is kept flat and stable in the cutting process; the cutter can accurately cut according to the preset path and size, the cutting precision of the silicon steel sheet is improved, and the production quality of ballasts is further guaranteed.

The utility model discloses an electric leakage protection circuit compatible with commercial power and a ballast, which relates to the technical field of LEDs and comprises a power supply circuit, a step-down circuit, a drive circuit, an LED circuit and a detection circuit. The input end of the power supply circuit is connected to the output pin of the power supply end. The output end of the power supply circuit is connected with the input end of the step-down circuit, the detection end of the drive circuit and the input end of the LED circuit. The input end of the driving circuit is connected with the output end of the LED circuit; the output end of the step-down circuit is connected with the detection circuit, and the step-down circuit is used for carrying out step-down processing on the power supply output by the power circuit to output reference voltage to the detection circuit; and the detection circuit is connected with the output pins of the power supply end, the driving circuit and the LED circuit respectively, and is used for controlling the working states of the driving circuit and the LED circuit according to the real-time voltage between the output pins of the power supply end and the reference voltage output by the step-down circuit. According to the utility model, the working state of the LED circuit can be controlled according to the real-time voltage and the reference voltage, thereby realizing anti-creeping protection.