39results about How to "No increase in volume" patented technology

The folded collapsed boxes containing substantially no open gaps are provided. A plurality of different size folded collapsed boxes can be bundled together to yield a display that has the maximum number of folded collapsed boxes displayed thus conserving space.

The invention relates to a two-way stop lamp switch, which is characterized by comprising a shell, a base, a sliding block, a first movable contact piece, a second movable contact piece, a top rod, a first static contact piece, a second static contact piece, a first reset piece and a second reset piece, wherein the shell has an insertion hole; the base and the shell are assembled to form a hollowaccommodating cavity; the sliding block is arranged in the accommodating cavity; the first movable contact piece can be arranged on the sliding block in a vertical moving manner; two ends of the first movable contact are provided with two first movable contacts; the second movable contact piece is arranged on the sliding block and positioned below the first movable contact piece; two ends of the second movable contact are provided with two second movable contacts; and the top rod is inserted into the insertion hole of the shell, connected with the sliding block and can drive the sliding blockto vertically move in the accommodating cavity. Compared with the prior art, the invention has the advantages that: the two-way stop lamp switch is simple and compact in overall structure and reasonable in structural arrangement, and can realize one-on one-off two-way control.

Disclosed is a wall air conditioner structure, in which an evaporator and an evaporator-putting space length are reduce, so a headspace can be left on their side for putting a modular unit. The modular unit may be a water valve unit or a humidifying unit or an air-cleaning unit or a ventilating unit and the like, so in the headspace can be mounted a specific modular unit according to the user's needs.

The invention relates a double-permanent magnet outer-rotor permanent magnet biased radial magnetic bearing comprising outer magnetic conductive rings, outer permanent magnets, stator cores, excitation windings, inner magnetic conductive rings, inner permanent magnets and rotor cores, wherein four magnetic poles consist of each stator core, eight magnetic poles of the left end and the right end of the magnetic bearing consist of two stator cores, and magnetic poles in the positive and the negative directions of an X axis and a Y axis respectively consist of the eight magnetic poles; each stator magnetic pole is wound with the excitation winding; the rotor cores are positioned outside the stator cores; the outer magnetic conductive rings are positioned outside the rotor cores; the outer permanent magnets are positioned among the outer magnetic conductive rings; the outer magnetic conductive rings are connected with the rotor cores; certain gaps are retained on the inner surfaces of the rotor cores and the outer surfaces of the stator cores to form air gaps; and the permanent magnets are positioned among the inner magnetic conductive rings. The invention solves the problem of large remanence moment of the traditional permanent magnet biased outer-rotor radial magnetic bearing for space.

A high-voltage vacuum breaker is used for operation or exit of an electrical apparatus in an electrical power system; the high-voltage vacuum breaker comprises a control panel, a control chamber, an arc-estinguishing chamber, an entrance insulative bushing, a digital relay, an electronic current mutual inductor, an outlet insulative bushing,; the electronic current mutual inductor is provided in the entrance or the outlet insulative bushing and connected with the digital relay; the digital relay is composed of a filtering and amplitude adjusting module, an A / D converting module, a CPU processing module, a liquid crystal display module, and a switch quantity input and output module, and is connected with an operation mechanism of the breaker by the switch quantity input and output module. Compared the invention with a current technic, the volume is not increased, measurement, protection and diagnoses functions in an electrical power line are organically integrated, added functions perform real-time on-line monitoring on a work state, a loop control state, and a coil opening / closing state of the breaker, thereby realizing intelligentized independent operation of the breaker.

The invention relates to an inner rotor permanent magnet biased radial magnetic bearing with double permanent magnets, comprising outer magnetic rings, an outer permanent magnet, stator iron cores, exciting coils, rotor iron cores, inner magnetic rings and an inner permanent magnet. Either stator iron core forms four magnetic poles, the two stator iron cores form eight magnetic poles at the left end and the right end of the magnetic bearing, i.e. respectively forming the magnetic poles of the X-axis and the Y-axis in the positive directions and the negative directions, either stator magnetic pole is wound by the exciting coil, the outer magnetic ring is arranged outside and connected with either stator iron core, the outer permanent magnet is arranged among the outer magnetic rings, the rotor iron core is arranged inside either stator iron core, a certain gap is formed between the inner surface of the stator iron core and the outer surface of the rotor iron core so as to form an air gap, the inner magnetic ring is mounted inside either rotor iron core, and the rotor iron core at the left end and the rotor iron core at the right end are connected by the inner magnetic rings between which the inner permanent magnet is arranged. The invention solves the problem of great residual magnetic moment of a traditional permanent magnet biased inner rotor radial magnetic bearing.

The present invention provides a lateral double-diffusion transistor, the main part region of the lateral double-diffusion transistor includes a first transistor, a second transistor and a first ESD device arranged between the first transistor and the second transistor; the first transistor A transistor and a second transistor have a common source terminal, a common drain terminal, a common gate terminal and a common body terminal; the first ESD device includes a cathode connected to the common gate terminal , and two positive poles arranged on the left and right sides of the negative pole, the two positive poles are connected to the common source terminal; the secondary part area includes a second ESD device, and the input of the second ESD device The terminal is connected to the common gate terminal, and the output terminal is grounded. The invention can overcome the damage caused by non-uniform turn-on of the device when ESD surges from the drain end in the prior art, so as to improve the ESD prevention capability of the device.

The invention relates to an anti-icing starter electromagnetic switch with a steel wire strand contact. The switch is characterized in that a through hole is formed in the middle of a movable contact piece, the lower end of a movable contact rod penetrates through the through hole of the movable contact piece and prevents the movable contact piece from being separated from the movable contact rod by means of torsion spring limiting, the movable contact rod between an annular limiting boss and the movable contact piece is sleeved with a pressure spring, two static contacts are additionally arranged on the bottom face in a static contact base, the static contacts and binding posts correspond one to one and are connected with steel wire strands, the two ends of the movable contact piece correspond to the upper surfaces of the two static contacts, and each binding post is a hexagonal bolt or composed of a screw and a radiator on the top of the screw. The icing problem of a starter switch contact is fundamentally solved, and the switch is simple in structure, small in size, reliable to use and wide in application range.

The invention relates to an electric measuring tape which comprises a measuring tape shell, a measuring tape core disc and a motor, wherein the measuring tape shell is provided with a containing space; the measuring tape core disc is rotatablely arranged inside the measuring tape shell and wound with a measuring tape belt; and the motor is also positioned inside the measuring tape shell and is linked with the measuring tape core disc by a transmission mechanism so as to stretch and contract the measuring tape from the measuring tape shell. The electric measuring tape is characterized in that the peripheral surface of the measuring tape core disc is provided with an automatic clamping mechanism which forces the measuring tape belt to be compactly wound on the measuring tape core disc all the time. Compared with the prior art, the electric measuring tape has the advantages that as the automatic clamping mechanism which forces the measuring tape belt to be compactly wound on the measuring tape core disc all the time is added, the phenomenon of expanded belt can be avoided, the probability of damaging the measuring tape belt can be reduced, and the measuring tape is ensured to be operated normally.

The invention relates to ratchet wrench. It includes handle and sleeve. Its feature is that the handle is formed by upper and lower covers; and the lower one is set one flute to lay the sleeve. Compared with the existing technique, the advantages of the invention are that the upper and lower covers are designed by composite type; it only needs to open the upper cover while taking and putting the sleeve; it can save wrench working time; the processing the upper and lower cover is simple; the production cost is low.

The invention discloses a linear power amplifying circuit based on analog predistortion, which comprises sequentially connected: a preamplifier, a first temperature-controlled attenuator, an analog predistorter, a second temperature-controlled attenuator, a push-pull amplifier, and a final stage high power amplifier. The invention also discloses a method using the circuit, by adding an analog predistorter circuit with a relatively simple topology to generate a predistortion signal to balance the distorted signal of the power amplifier, and by adjusting the power tube of the push-pull amplifier and the final high-power amplifier The matching circuit and bias voltage make the two power tubes complement each other in amplitude and phase to achieve the effect of pre-distortion, so that the RF output signal can achieve better linearity. The invention has the advantages of simple circuit form, high working efficiency, small occupied PCB area and low cost, and is very suitable for multi-carrier linear power amplifier circuits of TD-SCDMA base stations and repeater systems.

The utility model discloses an aerial drift projection device, wherein, a projector and a screen are arranged in the aerial drift device. The projector is positioned in a housing; one end of the housing is sealed and fixed at the inner wall of the aerial drift device, and the other end is sealed with the wall of the aerial drift device through the inner wall. The projector is fixedly positioned at the housing; a viewing mirror is positioned at a lens hole; the viewing mirror and the lens hole are sealed between each other; the screen is fixedly positioned at the aerial drift device. The relative position between the wall of the aerial drift device and the screen is made of transparent materials; a conductor hole and a heat sink are positioned at the end of the housing through the outer wall of an aerial drift display screen. A display screen is positioned at the aerial drift device, and the content of advertisement can be switched under the control of the microcomputer. Drifting in the air without the constrains of the location and the time, the visual field is broad, with wide range of infection, and then a plurality of advertisements can be broadcasted in a sustained period, saving advertising resources and cost.

The invention relates to a food processor, comprising an external cup body with an opening at the top and a cup cover covering the mouth of the external cup body in a movable way; wherein, the bottom of the cup cover is provided with an output end which can be driven to rotate by a motor, the cup cover is provided with a food feed inlet, a supporting shaft is fixed at the bottom of the inner wallof the external cup body. The food processor is characterized in that: the food processor further comprises an internal cup, the bottom of the internal cup is provided with a vasiform orifice extending toward the inner axial direction, the supporting shaft is held in the vasiform orifice, an inner tool bit is sheathed on the pipe wall of the vasiform orifice, the upper part of the inner tool bit is connected with the output end in a dismantled and assembled way and can rotate under the drive of the output end, while the food feed inlet is arranged at the position corresponding to the mouth ofthe internal cup. The food processor has the advantages that: users can change the cup for holding food according to the amount of the processed food, and one cup cover is shared, the internal cup can be put outside the external cup, and the volume of the whole body is not increased, thus facilitating packaging, carrying and transporting.