28 results about "Test facility" patented technology

The embodiment of the invention relates to the field of processes specially used for manufacturing a reactor or parts thereof, in particular to an assembling and charging testing method of a reactor using bulk nuclear fuel and the reactor comprising the bulk nuclear fuel. According to the method, loading test is carried out on the reactor by using the test facility after assembly, so that the backup reactivity of the reactor core can be determined, safe assembly and safe criticality of the reactor are realized, and the safety of experimenters is ensured; by gradually adding the partitioned side reflecting layers outside the reactor core formed by the bulk nuclear fuel, the reactor gradually reaches the critical value, the operation risk is reduced, and meanwhile, the critical point can be accurately obtained; after the critical loading of the reactor core is determined, the partitioned side reflecting layers are replaced by the complete side reflecting layers with the same value, so that the influence of gaps existing between the partitioned side reflecting layers can be avoided, and the reaction efficiency of nuclear fuel is improved. The reactor assembled according to the method has high neutron economy and low critical risk.

The invention relates to the technical field of nuclear facility pipeline heating. The invention provides a pipeline heating device and an in-reactor test facility. The pipeline heating device comprises a magnetic conduction layer, a heat conduction layer, a heat preservation layer and an electromagnetic induction coil, the magnetic conduction layer is made of a magnetic alloy material, and the magnetic conduction layer is enclosed and internally forms a heating area used for containing a pipeline; the heat conduction layer is located on the side, facing the heating area, of the magnetic conduction layer and used for transmitting heat of the magnetic conduction layer to the pipeline. The heat preservation layer wraps the side, away from the heating area, of the magnetic conduction layer. The electromagnetic induction coil is wound around the side, away from the heating area, of the heat preservation layer. The magnetic conductive layer made of the magnetic alloy material serves as a main absorption and conversion carrier of magnetic field energy, the eddy current effect can be remarkably enhanced, the problem that the heating efficiency is insufficient due to low magnetic conductivity of the austenitic stainless steel pipeline is solved, and the heating efficiency is greatly improved. The arrangement of the magnetic conductive layer can fundamentally avoid material microscopic damage caused by direct action of a magnetic field, and the safety is higher.

The application provides a thermal turbulence experiment device, which comprises an experiment device and a driving device. The experiment device comprises an experiment body, a cold source and a heat source. The experiment body comprises a ring-shaped main body part and at least two side parts. The at least two side parts are arranged at the side of the ring-shaped main body part and are uniformly and spacedly arranged along the circumferential direction of the ring-shaped main body part. The side parts are provided with fan-shaped convection cavities containing working medium. The side parts comprise a heat-conducting inner plate and a heat-conducting outer plate which are oppositely arranged along the radial direction of the ring-shaped main body part. The cold source is connected to the heat-conducting inner plate and is used for cooling the heat-conducting inner plate. The heat source is connected to the heat-conducting outer plate and is used for heating the heat-conducting outer plate. The driving device is connected to the experiment device and is used for driving the experiment device to rotate around the central axis of the ring-shaped main body part, so that a higher Rayleigh number can be achieved.

The invention discloses N600 automatic monitoring control system complete equipment and a method, and belongs to the technical field of power system secondary circuit monitoring. The equipment comprises an automatic monitoring control device and a test facility modularization device which are integrated in the same screen cabinet. The test device comprises an operation branch and a test branch which are connected in parallel, the operation branch is provided with a current transformer and a controllable switch, and the test branch is additionally provided with a program-controlled variable resistor unit. The control device controls the switch and the resistor by collecting branch current and executes automatic detection logic. According to the invention, real-time on-line monitoring, full-automatic periodic testing, intelligent analysis and judgment and remote alarm of the one-point grounding state of the secondary circuit N600 of the voltage transformer of the transformer substation are realized, a traditional manual testing mode is replaced, the problems of monitoring blind areas, high operation risk, low efficiency and high operation and maintenance cost are solved, and the safety and intelligent level of a power grid are improved.

This application relates to a testing mechanism and equipment. The testing mechanism includes a machine base, an operating module, a clamping module, and a pre-compression module. The machine base has a accommodating position for a carrier used to carry the product under test. The operating module is disposed on the machine base and can move between a first position and a second position. The clamping module and the pre-compression module are both drivenly connected to the operating module. The clamping module is used for clamping and positioning the product under test, and the pre-compression module is used for pre-compression positioning of the carrier. When the operating module moves to the first position, the clamping module and the pre-compression module abut against the product under test and the carrier, respectively. When the operating module moves to the second position, the clamping module separates from the product under test, and the pre-compression module separates from the carrier. The testing mechanism provided by this application can link the clamping module and the pre-compression module to simultaneously complete the positioning operation of the product under test and the carrier. The positioning and disassembly operations of the product under test and the carrier are simple and can significantly improve the testing efficiency of the product under test.

The application discloses a modularized turbine moving blade rotating flow and cooling test device, which comprises a test air inlet module, a test air outlet module and a test test module. The test air inlet module is provided with a pre-stage main air flow channel extending along a first direction. The test air outlet module is provided with a post-stage air outlet flow channel extending along the first direction. The test air outlet module and the test air inlet module are arranged at intervals in the first direction. One end of the test test module in the first direction is detachably connected with the test air inlet module. The other end of the test test module in the first direction is detachably connected with the test air outlet module. The test test module is provided with a test cavity, which is suitable for placing a test moving blade. The test air inlet module further comprises a guide vane, which is arranged in the pre-stage main air flow channel and adjacent to the test cavity. The guide vane can rotate around a second direction. The modularized turbine moving blade rotating flow and cooling test device has the advantages of more collected test data and lower test cost.

The invention relates to a method for operating a test device (1) for testing a driver assistance system of an ego vehicle (2), wherein at least one test object (9) is placed on a roadway (3) traveled by the ego vehicle (2) in the direction of travel in front of the ego vehicle (2). It is provided that the at least one test object (9) is arranged on a substrate (7) located at the rear (6) of a test vehicle (5) which travels at least temporarily in the direction of travel in front of the ego vehicle (2) and is held relative to the substrate (7) by means of a holding device, wherein at a specific time the at least one test object (9) is dropped from the substrate (7) to be placed on the roadway (3). The invention further relates to a test device (1) for testing a driver assistance system of an ego vehicle (2) and a test vehicle (5) for a test device (1) for testing a driver assistance system of an ego vehicle (2).

A method for generating a gas stream with a defined amount of nitrogen oxides includes: providing an initial gas stream; introducing a defined amount of ammonia into the initial gas stream; and generating the gas stream by converting the ammonia to nitrogen oxides. An apparatus for generating a gas stream with a defined amount of nitrogen oxides and an exhaust gas purification test facility is also provided.

The invention relates to a test vehicle safe evacuation method and system and electronic equipment. The test vehicle safe evacuation method comprises the steps that a power loading trolley and a vehicle bearing plate trailer used for bearing a test vehicle are provided, during testing, the vehicle bearing plate trailer is located in an environment bin, and the power loading trolley is located outside the environment bin; when the test vehicle is in danger, the power loading trolley is controlled to move to a butt joint position of the vehicle bearing plate trailer; at the butt joint position, a power output component on the power loading trolley is controlled to move to be in transmission connection with a corresponding power execution component on the vehicle bearing plate trailer; and controlling the power output part to transmit power to the power execution part, so that the power execution part moves the vehicle bearing plate trailer bearing the test vehicle out of the environment bin. According to the scheme provided by the invention, after the vehicle is on fire, the vehicle can be moved out of the environment bin and evacuated to a safety area, so that the safety of test facilities and personnel is guaranteed.

This invention relates to the field of ring main unit technology and discloses a ring main unit with a special structure and its usage method, including a cabinet, a secondary box, and a cable compartment. The secondary box is located on the outside of the cabinet, and the cable compartment is located on the back of the cabinet. This invention avoids injury to personnel caused by arcing faults in the cable compartment by placing the cable compartment door at the rear of the cabinet; grounding is achieved outside the cabinet via a test facility bushing connected to the switch grounding inside the gas chamber; the test facility bushing is located in the test facility compartment, and the test facility compartment door is equipped with a duckbill-shaped knife switch, which is connected to the main grounding busbar of the cabinet. When the test facility compartment door is closed, the test facility bushing is connected to the duckbill-shaped knife switch to achieve grounding; when the test facility compartment door is open, the test facility bushing separates from the duckbill-shaped knife switch, and the switch grounding knife switch inside the gas chamber is suspended and not grounded; simultaneously, withstand voltage tests can be performed on the incoming cable through the test facility bushing.

Embodiments of the present application provide a database performance testing method, device and storage medium. The method comprises the following steps: a database performance testing method is suitable for a testing device, and comprises the following steps: requesting a database server to create a database table for performance testing in a database run by the database server; setting a logical relationship about records in the database table; the logical relationship comprises a first logical relationship between fields in a same record in the database table; sending a transaction request for the database table to the database server, so that the database server executes a transaction corresponding to the transaction request, and the transaction request is generated based on the logical relationship; determining whether the database table meets the logical relationship according to a query result for the database table, to obtain a first determination result; and determining whether the database meets a transaction characteristic according to the first determination result. The testing scheme provided by the embodiments of the present application has high reliability.

The utility model belongs to the field of antenna test facilities, particularly relates to a small-size split compact range camera obscura, and aims to solve the problems that the existing camera obscura is large in size, inconvenient to transport and heavy in weight, and the relative position of an internal reflecting surface and a feed source is difficult to adjust. Comprising a camera obscura shell and a shielding door arranged on one side of the camera obscura shell, camera obscura components are arranged in the camera obscura shell, and the camera obscura components comprise a left front lower camera obscura component, a left front upper camera obscura component, a left rear upper camera obscura component, a left rear lower camera obscura component, a right rear upper camera obscura component and a right rear lower camera obscura component. According to the camera obscura, a single assembly is adopted for transportation and installation, compared with a traditional camera obscura, the camera obscura is very convenient to transport and install, meanwhile, field debugging is facilitated, and therefore the practical effect of the camera obscura is greatly improved.

The invention discloses a phased-array antenna beam forming test method in a darkroom-free environment, and relates to the technical field of satellite communication terminal complete machine testing, comprising the steps of initializing test system configuration, setting test parameters, initializing an antenna state, establishing a test environment, and connecting a test antenna with a channel simulator; cross coupling of non-corresponding channels is isolated and reduced through an algorithm, a signal transmission link between a test antenna and a tested antenna is established through a wireless channel by adopting a virtual wire connection mode, non-contact test is realized, beam forming test is performed, a mobile station moves to a preset test area, impedance of the test antenna is adjusted by adopting an electronic tuning mode, and the antenna is tested. The beam former realizes independent control of an uplink and a downlink, analyzes a test result and generates a report, does not need to depend on fixed test facilities such as a microwave anechoic chamber and a calibration tower, can directly test in an actual working scene, and is particularly suitable for field test of mobile equipment such as a large vehicle-mounted phased array system.

The application relates to a multi-operator configuration file testing method, device and system and a storage medium, which comprises the following steps: obtaining any test information from a server through a first user identification card; the test information comprises card information and first configuration file information of an operator corresponding to the card information; writing the card information into a readable and writable card as a second user identification card; activating the second user identification card to obtain second configuration file information of an operator to which the second user identification card belongs from pre-stored test information of a to-be-tested device; and comparing the first configuration file information and the second configuration file information to test the second configuration file information in the to-be-tested device. According to the method, the second configuration file information in the test information of the to-be-tested device is tested through the readable and writable card, the configuration files of multiple operators can be automatically tested without repeatedly plugging in entity cards of the multiple operators, and the testing efficiency and convenience are improved.

The invention belongs to the field of ship and ocean engineering test facilities and especially discloses a balance method for keeping an anti-floating and anti-tilting state of an underwater walkingmechanism. The method comprises the steps that a balance adjusting structure is arranged, data information influencing a balance state of the underwater walking mechanism is obtained, an unbalance signal of the underwater walking mechanism is pre-judged, a balance adjusting structure is driven to execute a floating increasing instruction, and the floating increasing instruction is adjusted step bystep. Buoyancy adjustment of the underwater walking mechanism is executed through the balance adjusting mechanism, automatic regulation and control can be performed according to data information, obtained by a data analysis end, influencing the balance state of the underwater walking mechanism, and when balance is abnormal, floating increasing adjustment is performed to keep the stable state of the underwater walking mechanism; and the data analysis end is automatically matched to a corresponding buoyancy level according to a range interval where the abnormal signal is located, sends a buoyancy increasing level signal to the balance adjustment structure, and switches to the corresponding buoyancy level so that the controllability is high, and the anti-floating and anti-tilting effects aregood.

The application discloses a test mechanism unit for simulating follow-up thrust generated by an elongated body missile in a flight process; wherein the elongated body missile model comprises an aluminum rod and a test engine; in an initial state, a side column is connected with the second end of the test engine through an explosive bolt, the aluminum rod is bent, and the elongated body missile model is in a deformation state; after the explosive bolt is ignited and separated, the aluminum rod drives the test engine to move to the other side of the support frame, and at the same time, the test engine is ignited to generate follow-up thrust. The application further discloses an engine follow-up thrust vibration test system and method, a camera unit acquires a motion image of the elongated body missile model; a vibration test unit acquires vibration data; and a thrust test unit is used for acquiring the thrust of the elongated body missile model. The application solves the problem that a traditional engine ground static ignition test system cannot generate follow-up thrust, and realizes the simulation of the vibration condition of the elongated body missile after elastic deformation in flight.

The utility model relates to a testing mechanism and aging equipment, the testing mechanism comprises a rotating support, at least one carrier, at least one testing module, a conductive module and a power supply module, the carrier and the testing module are arranged on the rotating support, the carrier is used for bearing a to-be-tested product, and when the to-be-tested product is borne in the carrier, the conductive module is used for supplying power to the to-be-tested product. The test module is in communication connection with a to-be-tested product; the conductive module is electrically connected with the test module and the power supply module, and the conductive module can synchronously rotate along with the rotating support. According to the testing mechanism provided by the invention, the electric energy of the power supply module is transmitted to the testing module through the conductive module, and the conductive module can synchronously rotate along with the rotating bracket, so that the conductive module and the testing module are relatively static; the power supply cable between the conductive module and the test module does not have undesirable phenomena of winding, knotting and the like in the rotating process of the rotating bracket, and power supply and rotating test operations of the to-be-tested product can be synchronously carried out.

The utility model relates to a high-rigidity UHPC (Ultra High Performance Concrete) tensile test fixture. The high-rigidity UHPC tensile test fixture comprises a fixture chuck and a variable cross-section connecting rod, wherein the fixture chuck is used for clamping the end part of a test piece; the clamp chuck comprises a top plate, a side plate and a fixing structure with an arc. Side plates are respectively arranged on two sides of the same surface of the top plate; each side plate is a variable cross-section plate with the length gradually shortened from the side close to the top plate to the side away from the top plate, the opposite faces of the variable cross-section plates on the two sides are linear sides, and the opposite faces of the variable cross-section plates away from each other are inclined sides; arc fixing structures are arranged at the ends, away from the top plate, of the linear sides of the side plates correspondingly. The top plate is connected with the variable cross-section connecting rod through a variable cross-section connecting rod fixing hole formed in the face, opposite to the side plate, of the top plate. Compared with the prior art, the clamp provided by the utility model has the characteristic of high rigidity, and when the concrete reaches a peak load, a concrete test block can be prevented from being broken too fast, and a whole-process stress-strain curve of the concrete can be accurately measured.

Embodiments of the present disclosure relate to a method for testing a web application, an apparatus, a device, a medium, and a program product. The method comprises: on the basis of a test case, acquiring a target request sent by a web client of the web application to a server side of the web application. The method further comprises: on the basis of the target request, determining whether a traffic file corresponding to the web application is present. The method further comprises: in response to the presence of the traffic file corresponding to the web application, determining whether the test case has been updated. The method further comprises: in response to the fact that the test case has not been updated, on the basis of the traffic file, returning target return content corresponding to the target request to the web client, so as to complete the testing of the web application. By means of the method, the traffic file is used at a testing device to return the target return content corresponding to the target request, thereby achieving interception of a network request, reducing the dependence on a server or a network during web application testing, improving the stability and accuracy of testing, and improving the user experience.

The invention provides thermal turbulence experimental equipment. The thermal turbulence experimental equipment comprises an experimental device and a driving device, the experimental device comprises an experimental body, a cold source and a heat source, the experimental body comprises an annular main body part and at least two side parts, and the at least two side parts are arranged on the side of the annular main body part and are evenly distributed in the circumferential direction of the annular main body part at intervals. And the side part is provided with a fan-shaped convection cavity for accommodating a working medium. The side part comprises a heat conduction inner plate and a heat conduction outer plate which are oppositely arranged in the radial direction of the annular body part. The cold source is connected to the heat conduction inner plate and used for cooling the heat conduction inner plate. The heat source is connected to the heat-conducting outer plate and used for heating the heat-conducting outer plate. And the driving device is connected to the experimental device and is used for driving the experimental device to rotate by taking the central axis of the annular main body part as an axis, so that a higher Rayleigh number can be realized.

The utility model belongs to the field of automobile test testing, specifically related to a kind of engine laboratory cooling water intelligent circulation system. The system includes circulating water cooling tank and circulating water hot tank, high-position electric control bypass valve and low-position electric control bypass valve intercommunication are provided between the circulating water cooling tank and circulating water hot tank;Circulating water hot tank bottom pipeline is connected heat road water pump group and cooling tower fan in proper order, after cooling tower fan, it is passed into circulating cooling water tank top;Circulating water cooling tank bottom pipeline is connected cold road water pump group and laboratory water equipment in proper order after being passed into circulating water hot tank top. The utility model can monitor the operating state of circulating water road system in real time;Maximize energy saving, control equipment operates in optimal energy consumption interval;Can make part of equipment suspend or low load state work, reduce equipment wear, prolong service life.

A fruit-harvesting robot testing facility. A simulated fruit tree for training a harvesting robot includes: a support frame and a main structure and an outer shielding structure sequentially arranged on it, wherein several simulated fruits are suspended from the main structure via magnetic hanging points. This invention utilizes a simulated fruit tree structure to train a harvesting robot, employing a highly integrated structure to simulate diverse real-world harvesting scenarios, making it highly efficient and practical. The harvesting difficulty is divided into three main categories: single-fruit harvesting and multi-fruit fully ripening (i.e., all simulated fruits are ripe and need to be harvested), and multi-fruit multi-ripening (i.e., simulated fruits include fruits of different ripeness levels, only ripe fruits need to be harvested). Each main category includes three specific difficulty levels: no interference, visual interference (fruit recognition under different lighting conditions), and visual and harvesting interference (obstacle avoidance, vibration resistance), providing a unified training and evaluation standard.

The present invention relates to a transport basket for defective spent nuclear fuel of a heavy water reactor and, more particularly, to a transport basket for defective spent nuclear fuel of a heavy water reactor that can reduce the burden of a personnel when handling spent nuclear fuel in a test facility by minimizing a storage space and maximizing a thickness such that only a predetermined amount of spent nuclear fuel for soundness evaluation in the test facility can be transported. To this end, provided is a transport basket for defective spent nuclear fuel of a heavy water reactor, comprising: a basket body having a storage space and an internal support that partitions the storage space; a fuel pocket that is installed on one side of each storage space partitioned through the internal support and is installed so as to be rotatable toward the other side of the storage space, and has a detachable groove open in an upward direction such that a fuel case containing the spent nuclear fuel can be detached therefrom; and a cover that opens and closes the storage space of the basket body and is screwed to the basket body.

The invention discloses a digital technology automobile data database construction method based on a knowledge graph. The method comprises the following steps: collecting natural driving data, accident data and standard terms to generate scene vectors, and binding test facilities; constructing a knowledge graph layer, establishing a reference relationship among the scene, the use case and the clause, and finishing alignment; constructing a fiber bundle index database, setting sections, and migrating and patch indexes to generate a unique section; compiling a guard instruction and binding a migration index to check a migration path; driving the state machine to complete migration and generate a certificate; establishing bonding mapping and writing the bonding mapping into a patch; and library falling is completed and transactional operation is supported. According to the method, test data structuring, migration verifiability and database auditing are realized.

The invention relates to a whole test vehicle transfer device. The test vehicle whole vehicle transfer device comprises a power loading trolley and a vehicle bearing plate trailer used for bearing a test vehicle. The power loading trolley comprises a main body unit, a butt joint adjusting mechanism arranged on the main body unit and a power output component arranged on the butt joint adjusting mechanism. The vehicle bearing plate trailer comprises a bearing component and a power execution component arranged on the bearing component, the power loading trolley can be controlled to move to a butt joint position in butt joint with the vehicle bearing plate trailer, and the butt joint adjusting mechanism can drive the power output component to move. Therefore, the power output component is in separable transmission connection with the power execution component. According to the scheme provided by the invention, after the vehicle is on fire, the vehicle can be separated from the environment bin and transferred to the safety area, so that the safety of test facilities and personnel is guaranteed.

The invention discloses a thermal state experimental device of a liquid metal reactor control rod drive wire. Comprising a pressure-bearing shell, a hanging basket guide assembly suspended in the upper end of the pressure-bearing shell, a pressing plate cooperatively connected to a top opening of the pressure-bearing shell, a flange cover hermetically connected to the top of the pressure-bearing shell, an upper core plate connected to the bottom of the hanging basket guide assembly and located in the pressure-bearing shell, and an inlet section axially connected with the lower end of the pressure-bearing shell, the lower reactor core plate is matched and connected with the lower end of the pressure-bearing shell and is positioned in the inlet section; the flange cover, the pressing plate, the hanging basket guide assembly, the upper reactor core plate and the lower reactor core plate are respectively provided with a central hole, and the central holes of the flange cover, the pressing plate, the hanging basket guide assembly, the upper reactor core plate and the lower reactor core plate are sequentially and oppositely communicated to form a centering channel. The integrated pressure-bearing shell is matched with the flange cover, the pressing plate, the hanging basket guide assembly, the upper reactor core plate, the lower reactor core plate and the like to form the thermal state experimental device for the liquid metal reactor control rod drive wire, and overall centering is simple and flexible.

The utility model discloses a full-fuselage static test transfer device which is characterized in that two sets of wing brackets are symmetrically arranged on two sides of a main body bracket to form a bracket assembly; the AGV stretches across the bottoms of the main body bracket and the wing brackets on the two sides in the spanwise direction; the transfer bracket is rapidly clamped and embedded in the upper portion of the AGV through a pressing structure arranged on the side edge in the spanwise direction of the transfer bracket, and the bracket assembly is rapidly limited through a limiting baffle arranged on the transfer bracket, so that the transfer bracket installed on the AGV in a clamped and embedded mode is used for carrying out transfer supporting on the bracket assembly; the bracket assembly and the aircraft mounted on the bracket assembly are precisely displaced through the AGV; and wheel sets are arranged at the bottoms of the main body bracket and the wing brackets and are moved under the dragging of the tractor. According to the technical scheme provided by the utility model, the problem that an airplane is mounted on a transfer device during the mounting process of a test facility in the existing full-airplane static test, and the transfer device can only be separated from a gap of a bearing upright post after being partitioned after the mounting is completed is solved.

The invention relates to a hydrogen tank test device (1) for testing a cryogenic hydrogen tank. The hydrogen tank test device (1) comprises a base body (7) and a holder (15). A hydrogen tank section (2), in particular half of a hydrogen tank, can be held against the base body (7) via the holder (15) in the area of ​​an opening (40) and sealed against it. According to the invention, a filling element (26) extends inside the hydrogen tank section (2) held against the base body (7). In this way, the volume inside the hydrogen tank section (2) that needs to be filled with the test fluid can be reduced, which is advantageous with regard to costs and the energy stored in the test fluid in the event of a rupture of the hydrogen tank section (2).The invention also relates to a method for testing a cryogenic hydrogen tank using such a hydrogen tank test device (1).