48results about How to "Change connection relationship" patented technology

An embodiment of the invention provides a configuration method and device of a PCIe (peripheral component interface express) topology. The method includes: acquiring an identifier of each PCIe slot connected to a single board of a server and device information of a PCIe device connected to each PCIe slot, and determining a current connectional relation between each PCIe device and the corresponding PCIe slot according to the identifiers of the PCIe slots and the device information of the PCIe devices; correcting configuration of a PCI3 switch chip according to the current connectional relation between each PCIe device and the corresponding PCIe slot. When a new application scenario occurs, just after a user adjusts the connectional relations between the PCIe devices and the PCIe slots, the device can automatically correct the configuration of the PCIe switch chip according to the adjusted connectional relations so as to complete the configuration of the PCIe topology, with no need for adding a single board; accordingly, server cost is reduced. In addition, changes in the PCIe topology allow one single board to support various application scenarios.

A method for melting ice on line of super high voltage DC transmission system adds connection wire and switch in main wiring of super high voltage DC transverting station to change connection relation between transverters and to raise current on transmission line for melting ice on transmission line by changing on-off state of switch correspondingly.

The invention provides a tire rubber pyrolysis method combining pyrolysis gas circulation heating and microwaves. The method includes the steps of A, preprocessing tire rubber; B, feeding the preprocessed tire rubber into a composite pyrolysis cavity; C, using a gas heating device to heat gas media to 350-700 DEG C; D, continuously feeding the heated gas into the composite pyrolysis cavity, and allowing the heated gas and the microwaves to jointly act on the tire rubber so as to perform pyrolysis to obtain solid products and mixed gas products; E, performing oil-gas separation on the mixed gas products to remove pyrolysis oil; F, partially feeding the gas obtained after the oil-gas separation in the step E into the gas heating device of the step C, and heating the gas to 350-700 DEG C for the circulation pyrolysis of the step D. By the tire rubber pyrolysis method, pyrolysis energy consumption and pyrolysis time can be reduced and cost is saved.

The invention relates to an extraction adapter expansion device, which is glidingly positioned in a shell for at least one adapter to be plugged in, the shell is opened with an opening, the shell is internally provided with a mainboard and at least one adapter slot corresponding to the adapter. The extraction adapter expansion device comprises: an extraction frame, which can glidingly pass through the opening and be fixed in the shell; an expansion circuit board, which is fixedly provided in the extraction frame, the expansion circuit board has at least one expansion slot for the adapter to be plugged in; an interface switching device, which is electrically connected with the expansion circuit board and the adapter slot of the mainboard, so as to make sure that the adapter is electrically connected with the mainboard. The invention is able to switch device or switch circuit board through an interface, switches electrical signal to the mainboard of a computer, changes the connection relation between adapter and adapter slot, effectively simplifies procedure of changing adapter and saves time of installing operation, so as to improve efficiency of integral operation.

The invention discloses a network testing method and a device thereof. The method of the invention comprises: an automated testing software module sends a first test instruction containing configuration information of analog network communication users to an analog control software module; the configuration information comprises analog network communication users needed to be established and corresponding test script identifying information needed to be executed by the analog network communication users for network testing. The analog control software module establishes the analog network communication users and controls the analog network communication users to execute the corresponding test script, so as to test the network. The testing method and the device of the invention realize the establishment of multi analog network communication users by the analog control software module on the same testing computer, thus reducing cost and complexity of the testing; moreover, the modification of connecting relationship between analog network communication users and the tested network can be realized by modifying the configuration information of analog network communication users, thus improving the efficiency of testing.

The invention relates to a silicon carbide ceramic heat exchanger. The silicon carbide ceramic heat exchanger comprises a silicon carbide ceramic upper blocking plate, a silicon carbide ceramic lower blocking plate, a silicon carbide ceramic heat exchange tube bundle, an upper collection opening, a lower collection opening and a shell, wherein the silicon carbide ceramic heat exchange tube bundle is arranged inside the shell; step holes are formed in the silicon carbide ceramic upper blocking plate and the silicon carbide ceramic lower blocking plate; the aperture of each step hole in one side of the silicon carbide ceramic heat exchange tube bundle is more than the aperture of the step hole in the other side of the silicon carbide ceramic heat exchange tube bundle; the both ends of the silicon carbide ceramic heat exchange tube bundle are respectively connected with the silicon carbide ceramic upper blocking plate and the silicon carbide ceramic lower blocking plate through the step holes. According to the silicon carbide ceramic heat exchanger provided by the invention, the existing connection relationship between the silicon carbide ceramic heat exchange tube bundle, and the silicon carbide ceramic upper blocking plate and the silicon carbide ceramic lower blocking plate is changed, so that the problem of sealing invalidation which is caused by different expansion degrees due to cold and heat non-uniformity of the silicon carbide ceramic heat exchange tube bundle, the silicon carbide ceramic upper blocking plate, the silicon carbide ceramic lower blocking plate and the shell can be solved.

This invention relates to one index block reading module in the visual coder in signal process visual frequency coding field, wherein, the module comprises the following parts: reference image data memory, two dimension index block registers array, wherein, the reference image data memory output end is connected to the upper register input end and down register input end on the array; the two dimension index black register array is composed of (m+1)*n unit register and one of three selector.

The invention provides an attenuator circuit. The attenuator circuit comprises: an input node; an output node; a first common attenuation module, wherein the first common attenuation module is configured to attenuate signals, the first end of the first common attenuation module is connected to the input node or the output node, and the second end of the first common attenuation module is connectedto a gating attenuation module; and the gating attenuation module which comprises a selectable bypass branch and at least one attenuation branch, wherein the gating attenuation module is connected with the first common attenuation module in series. The parasitic capacitance of the attenuator circuit is effectively reduced, and the problem of poor attenuation performance caused by overlarge parasitic capacitance in the prior art is solved.

The invention discloses a power head structure for a horizontal directional drilling machine, and belongs to the technical field of horizontal directional drilling machines. On the basis of an original structure, a cover body (9) is additionally arranged, the cover body (9) is arranged on the outer side of a power head main shaft (16), the front end of the cover body (9) is installed at the rear end of a power head box body (15), the center of a rear base plate is provided with a circular installation hole, meanwhile, a connecting shaft (18), a V-type combined sealing ring (19), a pressing flange (10) and a central spindle (8) are further arranged in the cover body (9), and the connecting shaft (18), the V-type combined sealing ring (19), the pressing flange (10) and the central spindle (8) are sequentially installed between a slime pump input connector (4) and the power head main shaft (16). According to the power head structure, the power head main shaft (16) is guaranteed to slide in a front-and-back mode relative to the power head box body (15), meanwhile, the position of the slime pump input connector (4) is fixed, slime in a slime input soft pipe (3) installed on the slime pump input connector (4) is guaranteed to be smoothly delivered, the phenomena of buckling and even breaking caused by non-timely movement in the original structure are avoided, and the construction progress is ensured.

The invention discloses a microwave test system, comprising a control end, a harmonic detection device and a turntable respectively connected with the control end, a first antenna connected with the harmonic detection device, an integrated tester, and a second antenna connected with the integrated tester. The microwave test system is low in construction cost and compatible with a test system for testing aerial electromagnetic characteristic parameters.

The invention discloses an air conditioner heat exchange structure, an air conditioner system, a control method of the air conditioner system and an air conditioner indoor unit. The air conditioner heat exchange structure comprises at least two heat exchange modules with adjustable series-parallel connection relation. The first end of the first heat exchange module is connected to the first end of the second heat exchange module through a first valve, and the first end of the first heat exchange module is further connected to a first connector of the air conditioner heat exchange structure; the second end of the first heat exchange module is connected to a second connector of the air conditioner heat exchange structure through a second valve; the second end of the first heat exchange module is further connected to the first end of the second heat exchange module through a third valve and a first throttling device in sequence; and the second end of the second heat exchange module is connected to a second connector of the air conditioner heat exchange structure. According to the air conditioner heat exchange structure, the at least two heat exchange modules are arranged, the connecting relation of the two heat exchange modules is changed by controlling the valves and the throttling devices, the refrigerating and heating state changes of the heat exchange modules can be achieved, and therefore it can be guaranteed that the comfort requirement of a user is met in different operation modes in cooperation with an outdoor unit.

The invention belongs to the technical field of industrial design, and particularly relates to an industrial design product display device. The device comprises a main box body and an auxiliary box body, guide grooves are formed in the inner side surface and the outer side surface of the main box body in the vertical direction; supporting guide plates are fixed to the two sides of the upper end face of the supporting base, and the inner side walls of the supporting guide plates are slidably inserted into guide grooves formed in the outer surface of the main box body through supporting guide strips. A lifting supporting mechanism is arranged in the supporting base; an auxiliary box body is slidably inserted into the main box body in the vertical direction, and the two sides of the auxiliarybox body are slidably inserted into guide grooves formed in the inner surface of the main box body through T-shaped guide strips. A storage plate is arranged in the auxiliary box body, and the auxiliary box body is supported into the main box body in a sliding mode through a supporting jacking mechanism; the display device can display products of different sizes, and the space utilization rate ofthe display device is increased; and meanwhile, the display device can be converted into a product storage box, the displayed products can be conveniently stored, and the utilization rate of the display device is further increased.

The invention provides an intelligent photovoltaic module and a photovoltaic power generation system. Parameters of the intelligent photovoltaic module are detected through a detection control unit, and when the parameters meet a preset switching condition, on-off of each switch in the switch unit is controlled to change a connection relationship between battery sub-strings in the battery unit soas to replace a power optimizer to realize adjustment of the voltage of the intelligent photovoltaic module; and the problem of high cost caused by the adoption of the power optimizer is avoided whilethe maximum number of components connected in series of the string is increased.

The invention relates to a silicon carbide ceramic heat exchanger. The silicon carbide ceramic heat exchanger comprises a silicon carbide ceramic upper blocking plate, a silicon carbide ceramic lower blocking plate, a silicon carbide ceramic heat exchange tube bundle, an upper collection opening, a lower collection opening and a shell, wherein the silicon carbide ceramic heat exchange tube bundle is arranged inside the shell; step holes are formed in the silicon carbide ceramic upper blocking plate and the silicon carbide ceramic lower blocking plate; the aperture of each step hole in one side of the silicon carbide ceramic heat exchange tube bundle is more than the aperture of the step hole in the other side of the silicon carbide ceramic heat exchange tube bundle; the both ends of the silicon carbide ceramic heat exchange tube bundle are respectively connected with the silicon carbide ceramic upper blocking plate and the silicon carbide ceramic lower blocking plate through the step holes. According to the silicon carbide ceramic heat exchanger provided by the invention, the existing connection relationship between the silicon carbide ceramic heat exchange tube bundle, and the silicon carbide ceramic upper blocking plate and the silicon carbide ceramic lower blocking plate is changed, so that the problem of sealing invalidation which is caused by different expansion degrees due to cold and heat non-uniformity of the silicon carbide ceramic heat exchange tube bundle, the silicon carbide ceramic upper blocking plate, the silicon carbide ceramic lower blocking plate and the shell can be solved.

The switching unit state detection method and the application device provided by the invention are applied to the technical field of direct current charging, and the method comprises the following steps: after controlling each resonant circuit LLC in a charging pile to output a preset port voltage, controlling a switching unit connected with the output end of each LLC in the charging pile to act; and then obtaining actual measurement port voltage of each LLC and total output voltage of the charging pile, and judging whether each switching unit is adhered or disconnected according to the magnitude relationship between each actual measurement port voltage and the total output voltage. According to the invention, the preset port voltage output by the charging pile is taken as an implementation basis, whether each switching unit is adhered or disconnected can be detected based on the magnitude relationship between the actually measured port voltage of each LLC and the total output voltage of the charging pile, and then the switching unit does not depend on an external storage battery any more, so that the problems in the prior art are solved.

The invention discloses an air conditioner heat exchange structure, an air conditioner system, a control method of the air conditioner system and an air conditioner outdoor unit. The air conditioner heat exchange structure comprises at least two heat exchange modules, and the series-parallel connection relation and the operation state of the at least two heat exchange modules can be adjusted. For the situation that two heat exchange modules are included, the first end of the first heat exchange module is connected to the first end of the second heat exchange module through a first three-position on-off valve, and the first end of the first heat exchange module is further connected to the second end of the second heat exchange module through a first throttling device; the second end of the first heat exchange module is connected to the second end of the second heat exchange module through a second three-position on-off valve, and the second end of the first heat exchange module is further connected to the first end of the second heat exchange module through a second throttling device. The at least two heat exchange modules are arranged, the connection relation and the operation state of the heat exchange modules are changed by controlling the three-position on-off valves and the throttling devices, and efficient operation in different operation modes is guaranteed. The using comfort and energy efficiency of an air conditioner are improved in cooperation with an indoor unit.

The invention provides an inductance adjustable device, comprising a first inductance and a second inductance which can generate mutual inductance effect; the first pin of the first inductance can be electrically connected with the third pin or the fourth pin of the second inductance; the first terminal of the inductance adjustable device can be electrically connected with the third pin or the fourth pin of the second inductance; the second terminal of the inductance adjustable device is electrically connected with the second pin of the first inductance; the inductance adjustable device can simply change the connection relationship between the first inductance and the second inductance according to the requirement, realizes the adjustment of inductance quantity, has simple structure, hardly increases manufacture cost, has convenient usage, and does not affect production efficiency.

The invention provides a detection circuit, a detection method and an application device which are applied to the technical field of direct current charging. The circuit comprises a first detection module, a second detection module and a third detection module, wherein the first detection module and the third detection module are connected in series to form a series branch, the obtained series branch is connected between the output end of a positive bus switch and the output end of a negative bus switch in series, one end of the second detection module is connected with a series connection point of the first detection module and the third detection module, the other end of the second detection module is connected with the input end of the positive bus switch or the input end of the negative bus switch, and the connection state of the first detection module and the third detection module is controllable. The detection personnel can change the connection relation between the detection modules according to the connection state of the bus switch in cooperation with control over the connection state of the first detection module and the connection state of the third detection module, then voltages corresponding to the detection modules are changed, and compared with the prior art, the circuit structure is more simplified.

The invention discloses an intelligent photovoltaic topological transformation power optimization system and a control method. The system comprises a switch control module, a current acquisition module, a central processing module, a switch module, a plurality of photovoltaic string modules and a plurality of MPPT modules. The switch control module and the current acquisition module are both connected with the central processing module, and the switch module is connected with the switch control module; the two ends of the switch module are respectively connected with each photovoltaic string module and each MPPT module; the current acquisition module is used for acquiring the current magnitude of each photovoltaic string module and inputting the current magnitude into the central processing module; and the central processing module is used for controlling the switch of each switch module through the switch control module according to the current of each photovoltaic string module so as to adjust the connection mode between each photovoltaic string module and each MPPT module. The system and the method have the advantages of improving the conversion efficiency of the MPPT modules in cloudy and rainy days or under the condition of weak light, reducing the loss, improving the power generation efficiency and the like.

The invention discloses a calibratable resistance device and an integrated circuit. The calibratable resistance device includes a reference resistor, a calibration resistor array, a routing resource block, a first resistor port, a second port and a configuration port; the first pole end of the reference resistor is connected with the first pole end of the calibration resistor array; the second pole end of the calibration resistor array is connected with the first resistor port; the second pole end of the reference resistor is connected with the second port; the wiring input end of the calibration resistor array is connected with the wiring output end of the routing resource block; and the configuration input end of the routing resource block is connected with the configuration port. With the calibratable resistance device and the integrated circuit of the invention adopted, the technical problem of a long cycle for realizing resistance value adjustment of an existing calibratable resistor can be solved, and a design cycle is effectively shortened.

The invention provides a safe high-voltage switch cabinet and a manufacturing method thereof, the safe high-voltage switch cabinet comprises a cabinet body and a mounting platform, a thin shaft is arranged in the cabinet body, a threaded port is arranged on the inner wall of the cabinet body, the thin shaft is connected in the threaded port, the mounting platform is arranged on the thin shaft, and the thin shaft is connected with the mounting platform. A suction cup electromagnet is arranged between the mounting platform and the thin shaft, parts in the switch cabinet can be conveniently replaced, the suction cup electromagnet is arranged in the switch cabinet, magnetism of the suction cup electromagnet is controlled through power-on and power-off of the suction cup electromagnet, and the mounting platform arranged in the switch cabinet can be conveniently replaced. The installation platform is more convenient to replace, the connection relation of a traditional welding mode is changed, and replacement and maintenance of the installation platform can be easily and efficiently carried out.

The invention discloses a hardware development platform, which comprises a plurality of functional modules and connecting wires, wherein the connecting wires are used for connecting the plurality of functional modules together; and the connecting wires are connected with the functional modules in a freely-detachable manner. In addition, the invention also provides a hardware development method based on the functional modules. Compared with the prior art, the hardware development platform has the advantages that: due to the free-detachable connection manner of the connecting wires, which are connected between the functional modules, and the functional modules, the connection relationship among functional modules can be changed conveniently for correcting wrong connection in a hardware debugging and test process, so that the debugging is convenient and quick and the remaking process of a board and an entire printed circuit board (PCB) is saved; and thus, the hardware development period is shortened greatly and development cost is saved.

The invention discloses automatic loading equipment, belongs to the technical field of stacking and loading, and solves the problems of inconvenience and higher working intensity during loading of boxes at present. The device comprises a frame body, and a vertical lifting supporting plate is arranged in the frame body; the extension plate is rotationally connected with the supporting plate, and the outer end of the extension plate is arranged on the outer side of the frame body; and a clamping device is rotatably arranged at the lower end of the extension plate and is of a structure for rapidly clamping the box body. Compared with the prior art, the clamping device has the following beneficial effects that (1) the clamping device can rapidly clamp a box body, and the clamping efficiency and speed are improved; and (2) through a first clamping device, a first threaded rod can drive a supporting plate to vertically slide or drive a rotating disc to rotate when rotating, so that the weight of the whole product is reduced, the number of electric appliance parts is reduced, and the later maintenance cost is reduced.

The invention belongs to the field of cabinets, and particularly relates to a portable cloud computing server array cabinet which comprises a plurality of cabinet bodies, a connecting base is fixedly installed on one side of one of every two adjacent cabinet bodies, and two symmetrically-arranged connecting plates are fixedly installed on one side of one cabinet body. The connecting base is located between the two connecting plates, two fixing bases are fixedly installed on one side of the other cabinet body, second holes are formed in the two connecting plates, first rods are installed in the two second holes in a sliding mode, two pressing plates are fixedly installed on one sides of the first rods and matched with fixing pins, and clamping grooves are formed in the tops of the connecting plates. A first hole is formed in the fixing base and matched with the clamping groove, and the fixing pin is matched with the first hole and the clamping groove. The portable cloud computing server array cabinet is reasonable in design, the equipment cabinet body is convenient to assemble and disassemble, and the rollers are convenient to fix and unfix, so that the equipment cabinet body is convenient to move and carry.

The invention discloses a calibratable resistance device and an integrated circuit. The calibratable resistance device includes a reference resistor, a calibration resistor array, a routing resource block, a first resistor port, a second port and a configuration port; the first pole end of the reference resistor is connected with the first pole end of the calibration resistor array; the second pole end of the calibration resistor array is connected with the first resistor port; the second pole end of the reference resistor is connected with the second port; the wiring input end of the calibration resistor array is connected with the wiring output end of the routing resource block; and the configuration input end of the routing resource block is connected with the configuration port. With the calibratable resistance device and the integrated circuit of the invention adopted, the technical problem of a long cycle for realizing resistance value adjustment of an existing calibratable resistor can be solved, and a design cycle is effectively shortened.