103 results about "Electrical ballast" patented technology

An LED lamp arrangement (100) for replacing a fluorescent lamp in a luminaire having an electronic ballast. The LED lamp arrangement (100) has a plurality of LEDs (101, 102, 103), an SVM reduction circuit (110) having an energy storage device connected across the plurality of LEDs (101, 102, 103), and a measurement and control circuit (120) adapted to measure the current drawn from the electronic ballast and generate an output to the SVM reduction circuit (110). Based on said output, the measurement and control circuit (130) is configured to activate the SVM reduction circuit (110) when the current drawn from the electronic ballast exceeds a threshold, and deactivate the SVM reduction circuit (110) when the current drawn from the electronic ballast does not exceed the threshold.

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.

An apparatus for retrofitting an HID lighting system includes using existing components of a previously installed HID lighting system, such as a ballast thereof, while replacing some capacitors to regulate the power supplied to the retrofit LED lighting fixture. The unused ballast driver is removed and the independent ballast driver assembly is installed into the electronic control housing of the previously installed lighting system. Some retrofit LED lighting fixtures include upward illumination lenses, optics, or diffusers for providing upward illumination. The aiming support and the aiming plate can be used for setting the horizontal aiming angle of the lamp.

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.

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 ballast cabinet for a photocatalytic reactor, which comprises a cabinet body, the surface of the cabinet body is provided with a ventilation assembly for improving the heat dissipation effect of the ballast cabinet, and the inner wall of the cabinet body is provided with a convenient assembly for improving the disassembly and maintenance efficiency. A support assembly used for providing stability for the ballast is installed on the inner wall of the convenient assembly. According to the utility model, through the synergistic effect of all structures of the convenient assembly and the support assembly, when the ballast needs to be maintained or replaced, the ballast can be quickly disassembled easily through simple operations such as opening the anti-falling cover and unfastening the hook; therefore, the maintenance time is greatly shortened, and the production efficiency is improved; through the synergistic effect of all structures of the support assembly, stable and reliable support is provided for ballasts, meanwhile, adjustment can be conducted according to ballasts of different models and sizes, and therefore the universality of the ballast cabinet is improved.

The utility model belongs to the technical field of circuits, and particularly relates to an electronic ballast input end anti-surge and electromagnetic compatibility suppression circuit which comprises a first protection element, the outer side of the first protection element is connected with an L connecting end through a wire, and the outer side of the first protection element is connected with a first piezoresistor through a wire. The outer side of the first piezoresistor is connected with an N connecting end through a wire, and the outer side of the first protection element is connected with a second piezoresistor through a wire. According to the utility model, the problem that other filter circuits are poor in universality can be solved, the electromagnetic interference suppression level and safety of a system can be improved, the circuit can be prevented from being impacted by surge, so that the product can operate safely, repeated design can be avoided, selected material models can be reduced, and the cost of the whole circuit can be reduced.

This invention relates to the field of electronic circuit technology, specifically to a ballast-based dimming switch circuit and dimming method, including a rectifier module, a first buck module, a second buck module, a sampling module, a control module, an energy storage inductor L1, a freewheeling diode D2, a filter capacitor E2, and a switching transistor T2. This invention uses the control module to control the PWM duty cycle to adjust the ballast output voltage, and simultaneously adjusts the PWM duty cycle by detecting the ballast output voltage, ensuring precise ballast output voltage at each level, thereby achieving dimming.

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 the technical field of electronic ballasts, in particular to an electronic ballast with a protection device, which comprises a ballast main body, side frames are arranged at two ends of the ballast main body, a connecting frame is connected between the side frames, and a side plate is fixedly connected outside the connecting frame. The ballast comprises a ballast main body, the ballast main body is provided with side plates, the outer portions of the side plates are detachably connected with a first protection assembly, a connecting assembly is arranged between the connecting frame and the side frames, the outer portion of the connecting assembly is provided with a second protection assembly, and an adjusting protection assembly is arranged above the side frames and connected with the side plates. The ballast main body is connected through the connecting frame, then the periphery of the ballast main body can be protected through the arrangement of the first protection assembly, the second protection assembly and the adjusting protection assembly, impact generated by collision can be buffered even if the ballast main body is collided, and safety of internal parts of the ballast main body is guaranteed.

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 relates to the technical field of ballasts, in particular to a ballast abnormity protection circuit, which respectively samples filament current signals and ballast output voltage signals by arranging a current protection circuit and a voltage protection circuit, and outputs the output voltage signals through the design of internal logic and time sequence of the protection circuit. The lamp tube monitoring circuit can monitor and effectively protect abnormal states such as a rectification effect caused by short circuit, open circuit, tube separation, filament breakage, overload, service life, gas leakage and filament single-end inactivation of a ballast and a lamp tube, retains the original protection function of a chip, additionally designs the lamp tube monitoring circuit, compensates for the short circuit of the original protection function of the chip, and improves the reliability of the lamp tube monitoring circuit. And more comprehensive abnormal state protection can be carried out on the ballast.

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.

A ballast dispenser system and method for flight vehicles, such as high altitude lighter than air vehicles. The system passively retains ballast without power and deploys ballast in response to applying power. An electro-permanent magnet passively retains ballast within the dispenser. Application of power to a coil produces an opposing magnetic field that reduces the overall strength of a net magnetic field acting on the ballast. Lateral positional control of the electro-permanent magnet provides calibration and control of the retaining magnetic field strength. A collapsible silo may hold ballast prior to dispensing ballast and collapse upon landing for minimizing damage.

The utility model belongs to the technical field of electronic ballasts, and particularly relates to a high-power high-frequency electronic ballast circuit with a frequency jittering technology, which comprises a frequency jittering circuit, a half-bridge driving circuit and a half-bridge inverter circuit. A first pin of the first chip is connected with a positive power source through a wire, a sixth pin of the first chip is connected with a first resistor through a wire, and the half-bridge inverter circuit comprises a first MOS tube, a second MOS tube, a fourth capacitor, a fifth capacitor, a first inductor and a sixth capacitor. According to the utility model, the technology is combined with a single-chip microcomputer chip, the cost is low, the circuit is simple, and the frequency of the high-power high-frequency electronic ballast is easy to modulate.

1. Name of the Design Product: Ballast Box (uv). 2. Use of the Design Product: An outer box for placing a ballast. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1.

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 lamp comprises an input for connection to a high frequency ballast for a gas discharge lamp. A power supply unit derives power from an LED on voltage of the LED of the lamp, and the power supply unit powers a disconnector at the input. During a preheat phase of the ballast, the power supply unit does not close the disconnector, but when the high frequency ballast is in a later state, i.e. a strike phase, the disconnector is closed.

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.

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 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.

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 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 photocatalysis waste gas purifier, including shell and vent pipe, the inside of shell is connected with the fixed support, the fixed support is equipped with first sliding subassembly and second sliding subassembly, the first sliding subassembly and the second sliding subassembly are respectively connected with the first fixed mount and the second fixed mount, the first fixed mount and the second fixed mount are connected with the vent pipe, and the vent pipe is connected with the vent pipe. A UV lamp tube is installed between the first fixing frame and the second fixing frame, an upper cabinet body is installed on the first fixing frame, a ballast is installed in the upper cabinet body, the first sliding assembly comprises a pair of first sliding rails and a pair of first sliding blocks, the pair of first sliding rails are fixedly connected to the fixing support, and the pair of first sliding blocks are fixedly connected to the fixing support. And the pair of first sliding blocks are clamped on the pair of first sliding rails. Compared with the prior art, the utility model has the beneficial effects that the UV lamp tube and the ballast are opened by sliding outside instead of being opened by a top cover plate through the sliding rail assembly, so that the UV lamp tube is convenient to clean, check and replace, the ballast is convenient to maintain, and tools such as ladders are not needed.

An apparatus for retrofitting an HID lighting system includes using existing components of a previously installed HID lighting system, such as a ballast thereof, while replacing some capacitors to regulate the power supplied to the retrofit LED lighting fixture. The unused ballast driver is removed and the independent ballast driver assembly is installed into the electronic control housing of the previously installed lighting system. Some retrofit LED lighting fixtures include upward illumination lenses, optics, or diffusers for providing upward illumination. The aiming support and the aiming plate can be used for setting the horizontal aiming angle of the lamp.

Apparatuses are disclosed for use in a solar module array system 100. In certain examples, the apparatuses include a bracket 102 having a base 306 and at least two arms 302, 304 extending outward from the base 302 at an angle with reference to the base 302, where an arm 302 of the at least two arms 302, 304 is configured to couple with a solar module 106. Also included is a ballast device 104 having an interior chamber configured to receive a flowable material, and where the ballast device 104 has at least one surface feature 208 configured to receive the bracket 102 and secure the solar module 106 to a mounting surface.

The utility model relates to the field of stage lamps, in particular to an over-temperature and over-current self-protection device and a stage lamp provided with the over-temperature and over-current self-protection device, which comprise a power supply circuit, a protected circuit, a switch control circuit, an over-temperature protection circuit and / or an over-current protection circuit, the output end of the over-temperature protection circuit and / or the output end of the over-current protection circuit are / is connected to the input end of the switch control circuit through the comparator module, and the switch control circuit controls the power supply circuit to supply power to a protected circuit; the method is used for solving the problem that a stage lamp is burnt out due to the fact that whether an over-temperature or over-current phenomenon occurs in a ballast or a driving module or a stage lamp holder cannot be judged under the condition that an MCU is out of control or the MCU is not connected. According to the stage lamp, over-temperature or over-current detection can be directly carried out on the ballast, the driving module or the light source in the stage lamp under the conditions that the MCU is out of control and is not connected, and the effect of automatically cutting off power supply is achieved, so that the burnout phenomenon caused by out-of-control temperature and current detection of the stage lamp is avoided.

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.

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.