68results about How to "Release the constraints" patented technology

The invention relates to a multi-parameter local / remote monitoring system based on wireless acquisition nodes and a body area network. The multi-parameter local / remote monitoring system comprises acquisition nodes, a wireless body area network, a gateway node, a wireless or / and wired local area network / mobile network, a radio-frequency communication module, a man-machine interface module, a main server, a monitor terminal and the Internet. The acquisition nodes are used for collecting electrocardiographic or / and other physiological parameters of a monitored object and wirelessly transmitting the electrocardiographic or / and other physiological parameters of the monitored object to the gateway node via the body area network to generate an electrocardiogram. The gateway node is used for storing or displaying the electrocardiogram or other physiological parameters, or transmitting the electrocardiogram or other physiological parameters to the main server or the monitor terminal via the local area network, or the Internet or the mobile network, so that local / remote monitoring is realized. According to the multi-parameter local / remote monitoring system provided by the invention, the monitored object only wears the acquisition nodes or / and a portable gateway node, and complete wireless transmission is realized; the volume is small, the power consumption and the cost are low, 3-18-lead electrocardiogram or / and other physiological parameters can be monitored, the monitored object can wear conveniently, the activity of the monitored object is not affected, the comfort degree is high, and long-time multi-parameter local / remote real-time monitoring is facilitated.

The invention provides a multifunctional water-entering slamming experiment casting device. A pair of No.1 T-shaped brackets are installed on the upper end of a device fixing rack, an angle adjustment rotating shaft is installed between the two No.1 T-shaped brackets, an angle adjusting plate is installed on the side surface of the device fixing rack, an angle fixing groove is formed in the angle adjusting plate, the upper part of a linear motion bracket is fixedly connected with the end part of the angle adjustment rotating shaft, the lower part of the linear motion bracket is installed in the angle fixing groove in an adjustable manner via a screw, the top end of the linear motion bracket is provided with a motor in an inverted manner, an output shaft of the motor is connected with a lead screw, a linear motion pedestal is installed on the lead screw, a pair of No.2 T-shaped brackets are installed on the linear motion pedestal, a motion supporting rod is installed between the two No.2 T-shaped brackets, and the lower end of the motion supporting rod is provided with a structure to be casted. The multifunctional water-entering slamming experiment casting device is simple and convenient in structure, is easy to install and detach, has the advantage of functional diversification, can realize the multi-type water-entering casting function, satisfies precision of multifunctional water-entering experiments, and can save experimental expense and cost.

The invention discloses a rock sample in-situ fidelity coring system. The rock sample in-situ fidelity coring system comprises a driving module, a fidelity module and a coring module which are sequentially connected, the coring module comprises a rock core drilling tool and a rock core sample storage cylinder, the fidelity module comprises a rock core sample fidelity cabin, the driving module comprises a coring drill rig, and the coring drill rig comprises a drill rig outer cylinder unlocking mechanism; the rock core drilling tool comprises a coring drill tool, a core catcher and an inner corepipe, the coring drill tool comprises an outer core pipe and a hollow drill bit, and the drill bit is connected with the lower end of the outer core pipe; the lower end of the inner core pipe extendsto the bottom of the outer core pipe, and the inner core pipe is in clearance fit with the outer core pipe; and the rock core sample fidelity cabin comprises an inner coring cylinder, an outer coringcylinder and an energy accumulator, the outer coring cylinder sleeves the inner coring cylinder, the upper end of the inner coring cylinder communicates with a liquid nitrogen storage tank, the liquid nitrogen storage tank is located in the outer coring cylinder, the energy accumulator communicates with the outer coring cylinder, and the outer coring cylinder is provided with a flap valve. According to the rock sample in-situ fidelity coring system, the rock core is advantageously kept the state under the in-situ environment, the drilling speed can be increased, and the coring efficiency is improved.

The invention discloses a pipe fitting bulge machining device and method. The pipe fitting bulge machining device comprises a die seat composed of an upper die seat and a lower die seat which are tightly pressed, wherein the die seat is provided with a containing cavity (2) for containing a pipe fitting (1); two annular grooves (3) are formed in the containing cavity (2) in the axial direction at interval; the containing cavity (2) is internally matched with two groups of extrusion assemblies at interval, and the extrusion assemblies have the same structure and opposite movement directions and are used for molding two bulges on the pipe fitting (1) at the same time. The invention provides the pipe fitting bulge machining device which can be used for machining the two budges at the same time and has a simple die seat structure, and the machining method thereof.

The invention belongs to a part for a lorry, in particular to an incorrect rotation preventing device of a transmission mechanism, solving the problem that a bottom door of the traditional lorry is easy to be incorrectly operated so as to cause running safety accidents and economic losses. The incorrect rotation preventing device of the transmission mechanism comprises an L-shaped limitator assembled with a transmission shaft of the transmission mechanism into a whole, the lower end of a suspension link which can be hung on the limitator is rotatablely arranged at the lower end of a rotation arm, the upper end of the rotation arm is rotatablely arranged on a supporting seat through the rotation shaft, a tie line between an upper limit contact point of the suspension link and the surface of the inner side of the limitator and a rotation centre of the suspension link is located below the rotation shaft of the rotation arm, and a tooth-type ratchet wheel and a pawl mechanism which prevent reversion of the rotation arm are arranged on the rotation shaft. The invention has the advantages of novel structure, reliable incorrect rotation preventing performance, good security performance and convenient operation, effectively prevents incorrect rotation of a switching mechanism of the bottom door of the lorry, not only can be applied to the lorry, but also can be popularized and applied to incorrect rotation of other transmission shafts.

An imaging device including: plural pixels each including a photodetector; plural reading circuits associated with the plural photodetectors, each reading circuit including a first MOS transistor charging / discharging a photodetector and a second MOS transistor converting charges to be output by the photodetector into voltage; an electronic processing circuit configured to process the voltages outputted by the reading circuits; a first substrate on which are formed the pixels and the reading circuits, and a second substrate, distinct from the first substrate, on which is formed the electronic processing circuit, the second substrate being linked electrically to the first substrate by an electrical interconnection forming an electrical link between the reading circuits and the electronic processing circuit.

The invention discloses an overhead cast-in-place box beam pressure-bearing strut and relates to overhead concrete box beam hole-by-hole casting construction work. The overhead cast-in-place box beam pressure-bearing strut comprises a support body (1), a reinforced support (2) and a crossed support (10). The support body (1) is composed of a plurality of scaffolds (3). A supporting base (5) and a bracket (6) are arranged at the top end and the bottom end of a vertical supporting rod (1.1) respectively. The bracket (6) is provided with distribution beams (7) in an overlapped mode, and the distribution beams (7) comprise a first distribution beam (7.1) placed in the middle and second distribution beams (7.2) placed on two sides. The second distribution beams (7.2) are provided with wing plate supports (8) in an overlapped mode, and the first distribution beam (7.1) and the wing plate supports (8) are provided with formworks (9) in an overlapped mode. The overhead cast-in-place box beam pressure-bearing strut is convenient to assemble and disassemble, high in mechanical degree, quick in transferring, and capable of improving construction efficiency of cast-in-place box beams. According to the overhead cast-in-place box beam pressure-bearing strut, overlapping accuracy of the support body can be controlled easily, cost performance is high, construction time is short, and modern construction demands can be met. The invention further discloses a construction technology of the overhead cast-in-place box beam pressure-bearing strut.

A spring assembly includes a spring seat clamped to a leaf spring at a center portion. The spring seat includes a cutout for distributing clamping stresses in a substantially uniform manner across the leaf spring. The cutout provides a relief for a central portion of the leaf spring to uniformly distribute clamping pressures across the leaf spring. Uniformly distributing stresses across the width of the spring increases leaf spring fatigue life.

The invention discloses a gait rehabilitation robot for implementing walking foot posture. The robot comprises a rack, a power device and a transmission device, wherein a suspension device is arranged on the rack; end actuation mechanisms are arranged on left and right sides of the rack, have the same structure, and have the motion phase angle of 180 degrees; the power device is used for driving the two end actuation mechanisms through the transmission device; the suspension device is used for partially reducing weight of a patient, and the end actuation mechanisms are used for driving foot movement of the patient by virtue of pedals, so that the lower limbs are driven to complete the gait rehabilitation training. According to the gait rehabilitation robot, each end actuation mechanism comprises a track generation unit and a posture control unit, the track generation unit is used for generating wrinkle joint motion tracks, and the posture control unit is used for controlling the foot posture; and the foot posture when a user walks normally can be accurately implemented due to the combined mechanism formed by the end actuation mechanisms and connecting rods through cams, and the robot can be controlled only by a uniform-velocity motor. The gait rehabilitation robot has a good rehabilitation training effect and low manufacture cost, and is suitable for general families.

To safely test a ground fault breaker by separating a ground fault detecting circuit from a main circuit with a simple operation when performing a voltage-withstanding test for the breaker having a main body case with a wiring breaker, components of a ground fault detecting / separating device mounted therein. The breaker with overcurrent and ground protection functions mounts a ground fault separating device including a main contact 2, an opening / closing mechanism 3, an operation handle, an overcurrent separating device 5 and a ground fault detecting circuit 7 for opening / closing a main circuit 1, and applies an interphase voltage of the main circuit 1 to the detecting circuit via a power supply line 9 wired between the detecting circuit. The breaker has a switch 21 for the voltage-withstanding test for switching on or off the circuit of the power supply line 9 connected to the detecting circuit in conjunction with opening / closing operations of the main contact, and, as the switch 21, an auxiliary switch of an attachment, for example, is used to separate the detecting circuit from the main circuit in conjunction with the opening pole operation of the main contact when performing the voltage-withstanding test.

A dihedral shaped device is provided, which includes two plates forming between them an angle of [pi]−2[alpha], where 0<[alpha]<[pi] / 4. Each plate has a ground plane, at least one dielectric layer and a network of radiating elements. An incident wave is reflected by the device by virtue of a double reflection from both plates. The network of radiating elements of each plate allows a phase shift to be generated, from the exterior towards the centre of the dihedron, along an axis perpendicular to an axis of intersection of the two plates, according to a set phase law, allowing a deviation to be introduced relative to a specular reflection for a given operating frequency.

The invention provides an aircraft stage separation structure and method. The structure comprises an interstage cabin, a spring separation mechanism and a cutting rope assembly. The two ends of the interstage cabin are connected with a booster stage and an aircraft main stage. The spring separation mechanism comprises a bottom plate, an outer sleeve, an inner sleeve, a force bearing plate and a spring. The cutting rope assembly comprises a cutting rope, an electric ignition tube and a flame detonator. The bottom plate is connected with the outer sleeve, the force bearing plate is connected with the inner sleeve, the outer sleeve is mounted on the outer portion of the inner sleeve in a sleeving manner, and the spring is mounted in the inner sleeve. The bottom plate is connected with one endof the interstage cabin, and the force bearing plate is connected with the other end of the interstage cabin. The electric ignition tube and the flame detonator are arranged on the cutting rope, theelectric ignition tube is connected with the flame detonator, and the cutting rope is arranged on the interstage cabin. The structure is simple and reasonable, the connecting constraint between the booster stage and the aircraft main stage is relieved through the cutting rope assembly, meanwhile, the constraint of the spring separation mechanism is also relieved, spring force releases elastic force to push away the booster stage and the aircraft main stage, and the booster stage and the aircraft main stage are separated rapidly.

The invention discloses a highway vibration and noise reduction construction device and a construction method thereof, and belongs to the technical field of highway railing construction; the highway vibration and noise reduction construction device comprises a supporting seat, a clamping device, an impact device and a pre-transmission device; one end of the clamping device is slidably connected tothe supporting seat and can move along a vertical space, and the other end of the clamping device is used for clamping a railing; the impact device is connected to the supporting seat; the impact device is positioned above the clamping device; the impact device moves from top to bottom to form kinetic energy so as to give a downward movement trend to the railing; according to the invention, a part of kinetic energy formed by the impact device can be transmitted to the railing, so the railing has an initial kinetic energy; the impact device and the railing gradually approach until the impact device is in contact with the top of the railing, the impact device continues to push the railing to move synchronously, so the kinetic energy generated by the impact device from top to bottom starts to be completely transferred to the railing, and then the bottom of the railing is inserted into soil.

The invention discloses a multi-degree-of-freedom hip supporting and detecting device applied to a lower limb rehabilitation robot. The multi-degree-of-freedom hip supporting and detecting device comprises a mounting pedestal, an X-direction moving mechanism, a Y-direction moving mechanism, a Z-direction rotating mechanism and a sensor detection module. The mounting pedestal comprises a top connection board, a middle connection board and a bottom connection board connected with a robot body; the middle connection board can move in the X direction through the X-direction moving mechanism; the top connection board can move in the Y direction through the Y-direction moving mechanism; the Z-direction rotating mechanism can move in a rotary manner relative to the top connection board, and is provided with a hip connecting position; and the sensor detection module comprises two linear displacement detection units which respectively detect the X-direction moving displacement and the Y-direction moving displacement and an angular displacement detection unit used for detecting the Z-direction rotating angular displacement. The multi-degree-of-freedom hip supporting and detecting device has multiple degrees of freedom, constraints to the patient's limbs are released, the scientificity and comfort level of the rehabilitation training are improved, and the moving state of the patient's hip joint can be detected in real time.

The invention relates to a breakaway projectile displacement speed testing sensor, belonging to a testing sensor used for testing the displacement speed of a projectile in the whole ejection process.The testing sensor mainly solves the technical problem that the existing knotmeter can not test the displacement speed of the high speed projectile in the ejection process. The technical scheme for solving the technical problem comprises: the breakaway projectile displacement speed testing sensor consists of a breakaway steel wire tester, a coupler and a photoelectric encoder, wherein the breakaway steel wire tester is connected with the photoelectric encoder by the coupler. The testing sensor has the advantages of simple structure, convenient installation, being capable of accurately testingthe displacement and the speed of the tested projectile in the whole ejection process, etc.

The present disclosure relates to an animal collar. The animal collar comprises a collar body (1) formed in a ring shape, at least a portion of the collar body (1) forms an adjustment structure (2) ofwhich the length in the circumferential direction of the collar body (1) is changeable, the adjustment structure (2) comprises a flexible section (21) and a constraint section (22), the constraint section (22) is configured to be disconnectable, and the length of the flexible section (21) in the circumferential direction of the collar body (1) is increased. By means of the technical scheme, the animal collar is simple in structure and convenient to manufacture, and when the constraint section is broken, the length of the flexible section in the circumferential direction of the collar body canbe increased, so that the diameter of the collar body is increased, and the size of the animal collar can be adjusted conveniently under the condition that an animal wears the animal collar.

The invention discloses a construction tool for removing a pull rod in soil. The construction tool comprises a water supply unit and a hollow tube. The water supply unit comprises a high pressure water supply device and a high pressure pipeline connected with a water outlet of the high pressure water supply device, the water outlet end of the high pressure pipeline and the outer end part of a hollow pipe are connected, and the inner end part of the hollow pipe is used for being aligned with the surrounding soil in the pull rod in the soil. A flat water outlet is formed in the end opening of the inner end part of the hollow pipe. An arc-shaped plate of a Luoyang shovel structure is further connected to the inner end of the hollow pipe. The arc-shaped plate adopts a single-layer structure or a double-layer structure with a cavity, the end opening of the inner end port of the hollow pipe is connected with an inlet of the cavity of the double-layer structure, and an outlet of the cavity is an arc-shaped nozzle arranged along the arc of the arc-shaped plate. The invention further discloses a method for removing the pull rod in the soil. The pressure of high pressure water is used for washing away the soil around the pull rod in the soil, so that a gap is formed around the pull rod in the soil, the constraint of the surface soil on the pull rod in the soil is removed, and then the external force is adopted to pull out the pull rod in the soil. The method is simple and convenient, easy to operate, low in cost, high in efficiency and high in success rate.

The invention relates to an oil tube overflow control device, in particular to a fishing oil tube overflow controller. The fishing oil tube overflow controller is characterized in that a shell is internally provided with a core, the top end of the core is provided with an end cover, and a centralizer body penetrates through the end cover to be fixed with the core by a suspended body. The invention has the advantages of simple structure, reliability and convenient operation, a fishing head is coordinated with common detecting fishing tools and equipment; and additional equipment are in no needof being purchased.

The invention discloses a construction method of a concrete frame structure with beam end restraining and releasing functions. The construction method comprises the following steps of (1) establishing the positioning of floor columns, distributing column ribs and establishing templates to beam bottoms; (2) establishing a floor system template supporting frame, and establishing a floor system template; (3) distributing plate bottom steel bars; (4) putting beam main ribs into template grooves; (5) distributing constraint removing plates on the side surfaces of beam ends, wherein the positions of floor plate bottom ribs which are anchored on beams or cross the beams can be adjusted, the constraint removing plates are distributed on the side surfaces of the beam ends, the bottom surfaces of fine aggregate concrete layers of the constraint removing plates are attached to stirrups at the beam sides, the thickness direction of the constraint removing plates is vertical to the axial direction of the beam, and the constraint removing plates are vertically arranged on the upper surfaces of the plate bottom steel bars; (6) distributing plate surface steel bars, wherein the constraint removing plates are clamped between the plate bottom steel bars and the plate surface steel bars; (7) integrally pouring concrete on a floor system, wherein the constraint removing plates are sealed on the beam side surfaces. According to the construction method of the concrete framework structure with the beam end constraining and releasing functions, which is disclosed by the invention, the constraint between the beams and floor plates is removed, and the anti-seismic effect is increased.

The invention provides a memory alloy constrained detonation device, and belongs to the technical field of detonation. The memory alloy constrained detonation device comprises a detonation transmission part, memory alloy actuators, a driving spring, a steel ball, a status switch, an electric detonator, a detonating part, a body, a pressing screw, a large pressing screw and a bolt. At ordinary times, the two memory alloy actuators are used for locking the detonation transmission part at a position far away from the electric detonator, meanwhile, the status switch provides short-circuit protection for the electric detonator and plays a part in status indication, and even if the electric detonator accidentally works, the detonation transmission part is not detonated; after the memory alloy actuators are electrified and work, the locking of the detonation transmission part is relieved, the driving spring drives the detonation transmission part to move till the detonation transmission partis aligned with the electric detonator, and the status switch switches and disconnects short-circuit protection for the electric detonator; and after any electric detonator works, the detonation transmission part can be detonated, and then detonates the detonating part. The memory alloy constrained detonation device has the advantages of long-range control, high safety, reliable working, status indication and the like.

The invention discloses an automatic parachute fall off mechanism of an unmanned aerial vehicle. The automatic parachute fall off mechanism is composed of fall off joint connectors, a rotary electromagnet, a rotary guide rail, a spring, a parachute belt, a parachute belt shaft and a cotter pin. The automatic fall off mechanism is connected to the parachute belt through an upper fall off joint connector and a lower fall off joint connector, and the parachute belt is connected with the unmanned aerial vehicle. When the unmanned aerial vehicle parachutes and lands, a control circuit controls therotary electromagnet to drive the rotary guide rail to rotate, so that the ball falls into an arc-shaped groove of the guide rail to fall off, the constraint of the ball on the fall-off joint upper connector and the fall-off joint lower connector is relieved; after the ball falls off, the spring release force is increased to separate the fall-off joint upper connector from the fall-off joint lower connector, and parachute throwing is completed. The rotary electromagnet and the rotary guide rail are designed, the rotary electromagnet is used for driving the rotary guide rail to rotate to achieve ball falling, and an unlocking structure and the unlocking process are simplified. The automatic parachute fall off mechanism is simple in structure, convenient to install and capable of safely andreliably achieving separation of the parachute and the unmanned aerial vehicle.

The invention provides a rocket fairing separation test device. The rocket fairing separation test device comprises a base station, a frame body and a locking mechanism, wherein the frame body is arranged above the base station; the locking mechanism is arranged on the frame body and comprises a crank assembly, a fairing body placing cavity suitable for placing a fairing body is arranged between the crank assembly and the base station, and the crank assembly is arranged on the outer side of the fairing body placing cavity; and the crank assembly has a locking position acting on the outer contour position of the fairing body placing cavity and an unlocking position leaving the outer contour position of the fairing body placing cavity under power driving. According to the rocket fairing separation test device, the locking mechanism is arranged to replace an explosive bolt in a pyrotechnic device, compared with the prior art, the device can achieve the pre-locking function without adopting a pyrotechnic connection unlocking device before the fairing is separated, and the process of controlling the separation of the fairing body can be completed; and in addition, the device can be repeatedly used for a long time, the cost is low, and the defect that the test cost of the rocket fairing separation test device in the prior art is high is overcome.

The invention discloses an instrument such as a screwdriver for fastening screws in a surgical operation. The instrument disclosed by the invention is formed by improving the existing screwdriver composed of a screwdriver handle and a screwdriver rod with a screwdriver head. The instrument disclosed by the invention has the concrete structural characteristics that a positioning boss is arranged on the screwdriver rod, a compression spring is sleeved on the boss, a sleeve barrel is sleeved on the screwdriver rod positioned at the front end of the spring, two groups of spring pieces are fixed on the inner wall of the sleeve barrel by using a fixing device, wherein the first group of spring pieces are composed of curved spring pieces, the bulge of each spring piece points to the surface of the screwdriver rod, and the sleeve barrel is fixed outside the screwdriver rod in a sliding way under the action of the bulge of each curved spring piece and the surface of the screwdriver rod; and the second group of spring pieces are composed of three beveled spring pieces which are separately arranged, wherein an included angle between the end part of each spring piece and the axial line of the screwdriver rod is 40 degrees.

The invention provides a rocket fairing separation test device. The rocket fairing separation test device comprises a base station, a frame body and a locking mechanism, wherein the frame body is arranged above the base station; the locking mechanism is arranged on the frame body and comprises a crank assembly, a fairing body placing cavity suitable for placing a fairing body is arranged between the crank assembly and the base station, and the crank assembly is arranged on the outer side of the fairing body placing cavity; and the crank assembly has a locking position acting on the outer contour position of the fairing body placing cavity and an unlocking position leaving the outer contour position of the fairing body placing cavity under power driving. According to the rocket fairing separation test device, the locking mechanism is arranged to replace an explosive bolt in a pyrotechnic device, compared with the prior art, the device can achieve the pre-locking function without adopting a pyrotechnic connection unlocking device before the fairing is separated, and the process of controlling the separation of the fairing body can be completed; and in addition, the device can be repeatedly used for a long time, the cost is low, and the defect that the test cost of the rocket fairing separation test device in the prior art is high is overcome.

The invention relates to a multi-parameter local / remote monitoring system based on wireless acquisition nodes and a body area network. The multi-parameter local / remote monitoring system comprises acquisition nodes, a wireless body area network, a gateway node, a wireless or / and wired local area network / mobile network, a radio-frequency communication module, a man-machine interface module, a main server, a monitor terminal and the Internet. The acquisition nodes are used for collecting electrocardiographic or / and other physiological parameters of a monitored object and wirelessly transmitting the electrocardiographic or / and other physiological parameters of the monitored object to the gateway node via the body area network to generate an electrocardiogram. The gateway node is used for storing or displaying the electrocardiogram or other physiological parameters, or transmitting the electrocardiogram or other physiological parameters to the main server or the monitor terminal via the local area network, or the Internet or the mobile network, so that local / remote monitoring is realized. According to the multi-parameter local / remote monitoring system provided by the invention, the monitored object only wears the acquisition nodes or / and a portable gateway node, and complete wireless transmission is realized; the volume is small, the power consumption and the cost are low, 3-18-lead electrocardiogram or / and other physiological parameters can be monitored, the monitored object can wear conveniently, the activity of the monitored object is not affected, the comfort degree is high, and long-time multi-parameter local / remote real-time monitoring is facilitated.

The invention discloses an energy device for cannon shooting testing, belongs to the technical field of energy, and solves the problem of fuze power supply for cannon shooting testing. The energy device comprises a control mechanism, a firing mechanism, a thermal battery component, a locking pin, a body, a pressing plate and a side pressing screw. The control mechanism comprises an inertia body, a spring, a steel ball and a pressing screw, the inertia body and the steel ball in the control mechanism move reversely by means of overload in a chamber, the steel ball falls into a side hole of the body, the spring drives the inertia body to do forward movement after the steel ball goes out of a muzzle, and therefore the constraint on the firing mechanism is relieved. A firing pin strikes a thermal battery under the resistance action of a firing pin spring, and the thermal battery outputs electric energy. The energy device has the advantages of being ingenious in conception, high in safety, not prone to causing false triggering, reliable in working and the like.

The invention discloses a three-dimensional measurement method for projecting non-uniform stripes in a non-complete constraint system. The three-dimensional measurement method uses a computer to obtain multiple phase-shift cosine striped image and auxiliary images and uses a projector to project the striped images to a reference plane, an object to be detected or planes of various heights; a camera synchronously shoots transformative striped images and the auxiliary images on the reference image, the object to be detected and the planes of various heights; a computer obtains a truncation phase of a phase shift strip and performs phase unwrapping; and then three-dimensional feature data of the object is obtained. The three-dimensional measurement method utilizes a continuous absolute phase to directly solve and obtain the height of the object, does not need to solve a phase difference, improves measurement efficiency and reduces an error introduced while solving the phase difference. The three-dimensional measurement method adopts the non-complete constraint system, has not strict requirements for installation of a measurement system, relieves a constraint that a connection line between a camera optic center and a projector optic center is parallel to the reference plane, and relieve a constraint a camera optic axis is intersected with a projector optic axis at one point on the reference plane.