76results about How to "Normal work does not affect" patented technology

The invention discloses a control system of 3D (three-dimensional) printer. The control system is characterized in that hitting instructions inputted by an user are received by the control end of an upper computer and converted into corresponding operating codes; control instructions are generated according to the operating codes, transmitted to a central pivot controller through a wireless network, and used for controlling the central pivot controller to operate; control instructions transmitted by the control end of the upper computer are received by the central pivot controller and analyzed to generate corresponding control codes; the control codes are transmitted to the main control panel of the 3D printer so that the main control panel controls the 3D printer to operate; the central pivot controller is connected with the control panel of the 3D printer in a wired or wireless manner; control software is started by the control end of the upper computer so that the 3D printer can be controlled to achieve printing and management of documents and temperature setting, monitoring and other tasks; the control software can be connected with the 3D printer through multiple control ends of the upper computer and the normal operation of the 3D printer cannot be affected in a switching process, thus the control system is relatively good in real-time performance.

The invention discloses an anti-falling self-locking mechanism for an exoskeleton robot. The robot comprises a first connecting rod and a second connecting rod; the anti-falling self-locking mechanism comprises an electromagnet, a pawl, a ratchet, and a spring, wherein the ratchet is fixedly arranged on the upper end of the second connecting rod, the electromagnet is fixedly arranged on the first connecting rod; a downward telescopic rod is arranged at the bottom of the electromagnet, the telescopic rod is connected with a contact terminal of the electromagnet, the lower end of the telescopic rod is rotatably connected with the pawl; a first pin shaft is fixedly arranged on the first connecting rod, the tail end of the pawl is rotatably connected with the first pin shaft, the front end of the pawl is matched with the ratchet; the upper end and the lower end of the spring are respectively connected with the pawl and the ratchet; and the pawl and the ratchet are laminated with each other under the pulling function of the spring; the stretching of the telescopic rod can be realized through the power-on / off of the electromagnet, thereby driving the pawl to break away from or fit to the ratchet. The anti-falling self-locking mechanism has the advantages that the mechanism can realize the one-way self-locking by use of the self-locking mode of the pawl and the ratchet, so that the human leg can move to the upright direction, the security and the reliability are high.

The invention discloses a control method, device and system of an air conditioning cluster. The method comprises the following steps that a plurality of controllers are powered on, and the first controller which meets preset conditions is obtained from the controllers; the first controller is controlled to enter a host mode, and all controllers except the first controller in the multiple controllers are controlled to enter a slave mode; the first controller working under the host mode controls the air conditioning cluster to work, and whether the first controller has an abnormity or not during serving as a main control device is detected; if the first controller is detected to have the abnormity, a second controller which meets the preset conditions is obtained from the controllers except the first controller, and the second controller is controlled to be switched from the slave mode to the host mode; and the second controller working under the host mode controls the air conditioning cluster to work. According to the control method, the technical problem that in the prior art, the main control device of the air conditioning cluster is a fixed controller and can not be switched is solved.

The embodiment of the invention discloses a detection circuit of an infrared focal plane readout circuit. The detection circuit comprises a test circuit, a detection circuit body, an integrating circuit and a sampling hold circuit, wherein the test circuit is used for receiving at least one test input signal, the detection circuit body is used for detecting signals of sensitive picture elements, receiving at least one test input signal and generating test signals, the integrating circuit is used for integrating the test signals to obtain integrated signals, and the sampling hold circuit is used for receiving the integrated signals and sampling and outputting the integrated signals. The detection circuit can detect the whole readout circuit before the sensitive picture elements are manufactured through an infrared focal plane array, unqualified circuits are screened out, and the manufacturing cost of the infrared focal plane array is reduced. In the normal work process after the sensitive picture elements are manufactured, it can be guaranteed that normal work of the readout circuit is not affected, and in other words, performance attenuation cannot be caused.

The embodiment of the invention provides a protection device and method and a power supply system and belongs to the field of electric transportation equipment technology, wherein the protection device is applied to the power supply system. The protection device comprises a detecting and processing module and a switch module; the detecting and processing module is separately connected with power supply equipment and the switch module, and the switch module is connected with a load. The detecting and processing module detects a voltage signal in a power supply system loop, and when the voltage signal satisfying a preset condition is judged, the switch module is controlled to be in a disconnect state so as to realize the protection of the load. When the switch module is in a disconnect state, the detecting and processing module judges whether the voltage satisfies the preset condition, if not, the switch module is controlled to be in a conducting state from the disconnect state, so that the power supply system automatically returns to normal work. Then, according to the invention, protection for the load is realized without influencing the normal work of a vehicle through the automatic judgment and control of the detecting and processing module.

The invention belongs to the field of numerical control machine tools and discloses a property assessing method based on instruction domain analyzing and of a numerical control machine tool magazine. The method comprises the following steps that (a), pre-set parameters are input to generate a machining instruction; (b), total data of the machine tool is collected through a numerical control system; (c), through an instruction domain analyzing method, a property index of the tool magazine is obtained through calculation; and (d), the property index of the tool magazine is compared with a pre-set property standard, and different assessed results are stored and displayed. According to the property assessing method based on instruction domain analyzing and of the numerical control machine tool magazine, the data are directly collected through the numerical control system, additional hardware devices for datum collecting and transmitting are not needed, normal machining is not affected, deep excavating, efficient using and low cost of a numerical control machine tool instruction sequence are achieved, and the reliable level of the tool magazine is improved.

The invention discloses a detection circuit of a line control circuit of an infrared focal plane reading circuit. The detection circuit comprises a unit gain operation amplifier and a testing circuit. The unit gain operation amplifier comprises an inverted input end, a first in-phase input end, a second in-phase input end and an output end, wherein the first in-phase input end is connected with a detecting circuit of the infrared focal plane reading circuit. The testing circuit is connected with the second in-phase input end of the unit gain operation amplifier. The detection circuit can detect the reading circuit before sensitive picture elements are made through infrared focal plane arrays, unqualified circuits are screened out, and manufacturing cost of the infrared focal plane arrays is saved. When normal work is carried out after the sensitive picture elements are made, the fact that the second in-phase input end does not affect normal work of the unit gain operation amplifier can be guaranteed, and performance attenuation cannot be caused.

The application provides a safe torque off (STO) control circuit and system. The STO control circuit comprises a signal conversion circuit, a first photocoupling circuit, a second photocoupling circuit, a first NOT gate, a second NOT gate, a third NOT gate, a fourth NOT gate, a first RC filter circuit and a second RC filter circuit, wherein the first photocoupling circuit comprises a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a first diode, a second diode, a third diode, a fourth diode, a first voltage stabilization diode and a first isolation photocoupler, and the second photocoupling circuit comprises a fourth resistor, a fifth resistor, a sixth resistor, a third capacitor, a fourth capacitor, a fifth diode, a sixth diode, a seventh diode, an eighth diode, a second voltage stabilization diode and a second isolation photocoupler. In the application, the STO control circuit provided by the invention is used for achieving an STO function and circuit self-detection.

The invention discloses a band-gap reference starting circuit with super-low leakage current, which comprises a PMOS (P-channel Metal Oxide Semiconductor) pipe at high length-width ratio, a current mirror and an NMOS (N-channel Metal Oxide Semiconductor) switch, wherein the PMOS pipe at the high length-width ratio is used as a resistor, the NMOS switch is connected with an input end of a band-gap reference core circuit, and the current mirror is connected with an output end of the band-gap reference core circuit. According to the band-gap reference starting circuit, the NMOS switch is adopted, so that the starting speed is higher than that of the PMOS switch; after the band-gap reference core circuit normally operates, the NMOS switch is turned off, the gate source voltage of the NMOS switch is the negative voltage, so that the turn-off effect is more obvious, leakage current at any process corner and any temperature can be lower than the Pian grade, the affection of the leakage current on reference source current can be omitted, other branches of the starting circuit are still in a conducting state, however, the static current of the starting circuit is very small; in addition, the PMOS pipe resistor replaces a conventional passive resistor, and therefore, the area of a chip is saved.

The invention discloses a power-supply clamp ESD circuit which includes a detection circuit, a buffer circuit and a leakage circuit. The buffer circuit includes a phase inverter, or three serially-connected phase inverters or five serially-connected phase inverters. A connection wire of a power-supply end of a first phase inverter in the buffer circuit and a power-supply voltage is connected serially with an NMOS transistor which is connected with a diode, that is, a grid electrode and a drain electrode of the NMOS transistor are connected with the power-supply voltage and a source electrode of the NMOS transistor is connected with the power-supply end of the first phase inverter. The power-supply clamp ESD circuit is capable of ensuring that the ESD circuit is in a closed state and does not affect the normal work of a chip when the chip works normally.

The invention discloses an SEC verification method for an FPGA configuration memory. The SEC verification method comprises the steps of: acquiring and storing a reference ECC verification code; performing ECC check on data in an FPGA configuration memory frame by frame according to the reference ECC check code and modifying error data; and carrying out CRC on the data in the FPGA configuration memory and carrying out data resetting on all frames in the configuration memory when an error occurs. The invention further discloses an SEC verification device for the FPGA configuration memory, whichcomprises a verification code storage module, an SEC verification module, a correction module, a configuration module and an off-chip memory, and is used for executing the SEC verification method. According to the SEC verification method and the SEC verification device, ECC verification and CRC verification are used for carrying out detection and error correction on the data in the FPGA configuration memory when the FPGA chip normally works, and the two verification modes act together, so that the working correctness and stability of the FPGA chip are improved.

The invention discloses an integrated type hydraulic retarder. According to the integrated type hydraulic retarder, an oil sump is arranged under a working cavity; a heat exchanger is arranged on oneaxial side of a fixed rotor; the working cavity is connected with a variable type vane pump; the upper portion and the lower portion of the working cavity are provided with a working cavity oil inletand a working cavity oil outlet respectively; the upper portion and the lower portion of the heat exchanger are provided with a heat exchanger oil outlet and a heat exchanger oil inlet respectively. When the integrated type hydraulic retarder is in work, the working cavity, the variable type vane pump, the heat exchanger and the oil sump can form a main circulating oil way; a master control valveis used for controlling connection and disconnection of the main circulating oil way and controlled to open and close by pressure charging and discharging of a control oil way; a switch valve is usedfor controlling pressure charging and discharging of the control oil way; when the integrated type hydraulic retarder is in work, the switch valve and the master control valve are opened; when the integrated type hydraulic retarder stops working, the switch valve and the master control valve are closed, and the control oil way and the main circulating oil way are disconnected. The integrated typehydraulic retarder saves vehicle air source control and is high in response speed, stable in control and high in precision.

The invention relates to a technology of dynamic redundancy output implementing power supply control and safety design, in particular to a power supply circuit for dynamic redundancy control. The power supply circuit comprises a plurality of normal execution modules, a switch control module, a redundancy execution module and a monitoring module, wherein each normal execution module comprises a relay, and the redundancy execution module comprises a relay; the monitoring module comprises a circuit parameter detection device and a detection signal analysis and judgment device, which are connected with each other; the circuit parameter detection device monitors the circuit parameters of the normal execution modules during working and transmits a detection result to the detection signal analysis device, the detection signal analysis device analyzes and judges the signal to generate a command and sends the command to the switch control module, and the switch control module is switched on and switched off according to the command; the switch control module comprises a switching device which is connected with the redundancy execution module and the detection signal analysis and judgment device. According to the power supply circuit, the cost can be effectively reduced, the size of a circuit board is reduced, and a certain reliability and safety are ensured.

The invention discloses a novel timing control method of a computer architecture based on NUMA (non-uniform memory access). In a computer with multiple physical layer partitions, each hardware platform is provided with an independent power system and a clock system; and the input / output unit of each partition is provided with a LegacyIO controller, and the power sequence, clock enable and resetting system of the partition are controlled by the LegacyIO controller. Therefore, when certain partition fails, other partitions can work normally as each partition is provided with the independent timing control system, power system, clock system and resetting system, so that the system reliability is fully ensured; and simultaneously, the computer of each partition can be turned on and off independently without influencing the normall work of other partitions, thus online maintenance of the system is possible.

A deoiling device comprises an oily wastewater tank and a clear water tank, wherein the oily wastewater tank is provided with a water inlet; the clear water tank is provided with a water outlet; a waste oil collecting device is arranged at the upper part of the oily wastewater tank; the deoiling device is characterized in that the oily wastewater tank is connected with the clear water tank through a channel; a filter screen membrane sliding rail is arranged on one side of the channel; a filter screen membrane is arranged on the channel; the filter screen membrane is provided with a filter screen membrane sliding frame matched with the sliding rail; the filter screen membrane sliding frame is matched with the filter screen membrane sliding rail to form a sliding rail pair. According to a scheme 1, when the filter screen membrane is cleaned, a water inlet pump and a water outlet pump are required to be turned off, and water in the oily wastewater tank and the clear water tank is not required to be drained; however, according to a scheme 2 and a scheme 3, when the filter screen membrane is cleaned, the water inlet pump and the water outlet pump work normally without influencing normal working of whole equipment, ultrasonic crude oil demulsifying equipment mounted in a ridged tank at the bottom of the oily wastewater tank demulsifies dirty oil suspended in water or sinking at the bottom of the oily wastewater tank, and the dirty oil floats to the water surface so as to remove the dirty oil.

The invention discloses a computer hardware monitoring system based on a UNIX operating system. The system comprises a plurality of computers to be monitored and a monitoring terminal, wherein the computers to be monitored perform wireless data communication with the monitoring terminal; a driving module, a database, a monitoring module, a fault diagnosis module and a repair module are arranged in the monitoring terminal; a UNIX operating system, a testing program and testing software are arranged in the database. The computers to be monitored perform wireless data communication with the monitoring terminal, the UNIX operating system is operated in the computers to be monitored, the testing program and the testing software are input into the computers, computer hardware is monitored in real time through the monitoring module, once a fault is found, the fault diagnosis module is informed to diagnose the hardware, reasons of faults and methods for solving the faults are output, and the hardware is repaired through the repair module.

The invention relates to a satellite-borne tripe-frequency beacon and a working method thereof. The satellite-borne tripe-frequency beacon comprises an emitter, an emission antenna and a radio-frequency connection cable, wherein the radio-frequency connection cable is arranged between the emitter and the emission antenna, the emitter comprises a constant temperature crystal oscillator and a frequency source unit, the frequency source unit is electrically connected with the constant temperature crystal oscillator, coherent signals, generated by the frequency source unit, at VHF, UHF and L bandsare orthogonalized by a bridge and then synthesized and amplified by a power amplifier to output an I / Q signal, a lower computer management circuit for controlling each part in the emitter to work communicates with a satellite service through a CAN bus, and a power unit supplies power to each part in the emitter. With the satellite-borne tripe-frequency beacon disclosed by the invention, three coherent signals at the VHF, UHF and L bands can be initially and simultaneously emitted, the problem of electromagnetic compatibility of the tripe-frequency beacon and a GNSS occultation receiver is solved, the problem of in-band interference of the GNSS occultation receiver is effectively solved, normal working of the beacon is ensured, and meanwhile, normal working of the GNSS occultation receiver is not affected.

The invention provides a timing sequence control method for a NUMA (non-uniform memory access)-based physical multi-partition computer architecture. The novel computer architecture is characterized in that multiple processors and IO (input / output) resources of a computer system can be partitioned on a physical layer, so that the multiprocessor computer system is partitioned into a plurality of standalone multiprocessor systems, and the partitioned multiprocessor systems can also be coupled to one integral computer system. The timing sequence control method is characterized in that a plurality of standalone power source systems and clock systems in a physical multi-partition computer are set up, Legacy IO controllers are used to control the system to power on with timing sequence and realize clock enable, and the system is partitioned into a plurality of standalone multiprocessor systems or the multiprocessor systems are coupled to one integral computer system according to reset signals. The Legacy IO controllers also adopt different timing sequence control methods.

The invention discloses an ESD power supply clamping protection circuit with a double-trigger structure. The ESD power supply clamping protection circuit comprises a transient trigger circuit, a static trigger circuit, a synthesis control circuit and a bleeder circuit. The transient trigger circuit identifies an ESD impact signal through an RC network. The static trigger circuit monitors a voltage signal through a diode string. The synthesis control circuit is used for controlling the on and off of the bleeder circuit. The ESD power supply clamping protection circuit provided by the invention can solve the problems that the existing ESD power supply clamping protection circuit is large in leakage current and easy to trigger mistakenly on the premise of providing reliable ESD protection performance.

The invention discloses a surface pre-oxidation device and method for improving vapor oxidation resistance of a heat resisting material. Ar / O3 mixed gas containing a trace amount of ozone reacts with heat resisting steel or an alloy pipe panel interface at 0-40 DEG C, and the element Cr is oxidized into a dense Cr-rich oxidation film so as to effectively prevent oxygen ions or hydroxide ions from spreading towards the heat resisting steel and an alloy matrix, and prevent metal iron ions from spreading towards the oxide and vapor interface. The device can be applied to surface pre-oxidation treatment of a power station boiler or vapor generator manufacturing plant after pipe bundle or pipeline processing, and can also be applied to surface pre-oxidation treatment of pipe bundles or pipelines of a power station boiler or a vapor generator after assembling but before operation, the pipe bundles or the pipelines do not need to be detached before a unit operates, and cyclic pre-oxidation of inert gas / O3 is carried out only through inlet and outlet collection tanks of superheater or reheater pipe bundles. According to the surface pre-oxidation device and method, the principle is simple, implementation is easy, and the application prospects are broad.

The invention relates to the technical field of communication equipment, and further discloses a dustproof mechanism for the communication equipment. The dustproof mechanism includes a shell; an antenna is fixedly mounted at the top of the shell; a knob located on the right side of the antenna is fixedly installed on the top of the machine shell. A soundboard is fixedly installed on the front faceof the shell, a sound hole is formed in the front face of the soundboard, a sleeve is fixedly installed on the right side wall of the shell, a sliding hole is formed in the sleeve, a sliding shaft ismovably installed in the sliding hole, and a brake button with one end penetrating through and extending to the top of the machine shell is fixedly installed at the top of the sliding shaft. The dustproof mechanism for communication equipment has the advantages of being dustproof and the like, and solves the problems that in the using process of an existing interphone, due to the fact that most interphones are applied to the industries of construction sites, catering, military affairs and the like, the working environment faced by the interphones is often in a place with large dust, the dusteasily enters a machine body through a conversation hole, and the interphones are damaged or cannot work normally.

The invention discloses a motor drive control system with a learning function, and belongs to the motor drive control system field. According to the scheme, cooling oil in a motor main body is monitored in real time, the volume of a compensation fin extending into the cooling oil is reasonably adjusted while flocculent impurities generated in the cooling oil are absorbed and locked by utilizing the compensation fin and a cleaning fiber cluster, so that the influence of the flocculent impurities on the normal work of the rotor in the motor main body is reduced; the motor is driven and controlled in real time according to the actual working temperature of the motor, and in a daily driving control process, according to real-time temperature monitoring, the drive control system is enabled to have learning capability, and the motor is controlled to work in the most appropriate mode, so that the heat dissipation efficiency of the motor is greatly improved on the premise that the normal working efficiency of the motor is not influenced, flocculent impurities are not easy to form in the cooling oil, and the normal working of the motor rotor is not easy to influence.

The invention discloses a band-gap reference starting circuit with super-low leakage current, which comprises a PMOS (P-channel Metal Oxide Semiconductor) pipe at high length-width ratio, a current mirror and an NMOS (N-channel Metal Oxide Semiconductor) switch, wherein the PMOS pipe at the high length-width ratio is used as a resistor, the NMOS switch is connected with an input end of a band-gap reference core circuit, and the current mirror is connected with an output end of the band-gap reference core circuit. According to the band-gap reference starting circuit, the NMOS switch is adopted, so that the starting speed is higher than that of the PMOS switch; after the band-gap reference core circuit normally operates, the NMOS switch is turned off, the gate source voltage of the NMOS switch is the negative voltage, so that the turn-off effect is more obvious, leakage current at any process corner and any temperature can be lower than the Pian grade, the affection of the leakage current on reference source current can be omitted, other branches of the starting circuit are still in a conducting state, however, the static current of the starting circuit is very small; in addition, the PMOS pipe resistor replaces a conventional passive resistor, and therefore, the area of a chip is saved.

The invention belongs to the technical field of monitoring in an electric energy conversion device, and discloses a health monitoring method and system for a power switch tube of a full-bridge converter, and the method comprises the steps: 1, synchronously sampling voltages VL at two ends of an inductor L and switching signals s1-s4 of switch tubes Q1-Q4; 2, separating ringing signals respectively corresponding to the switching tubes Q1 to Q4 in the sampling signal VL according to the s1 to s4; 3, respectively calculating corresponding ringing frequencies according to the separated ringing signals of the corresponding switch tubes Q1 to Q4; and 4, according to the ringing frequencies corresponding to the switching tubes Q1 to Q4, health assessment is carried out on the switching tubes Q1 to Q4. The method provided by the invention does not affect the normal work of the converter, can accurately monitor the ringing frequency of the power switch tube in the full-bridge converter, and provides a basis for life prediction of the switch tube.

The invention relates to a plug and play array cabinet. The plug and play array cabinet comprises a port box, a busway and plug-in units which are located in a cabinet body, by making the port box, the busway and the plug-in units arranged in the cabinet body, the port box is connected with a power supply main bus, the busway is connected with the port box, the multiple plug-in units are insertedly connected with the busway, an industrial plug is insertedly connected with a plug, and a cable connected with the plug is connected with other cabinets for power distribution. Accordingly, the problems that an original machine room is small in power distribution and large in bus material dosage, complex operation is needed for overhaul, maintenance and expansion, and the cost is high are solved,and the plug and play array cabinet has the advantages that the structure is simple, the busway does not need to be erected at the upper ends of the other cabinets to introduce electric energy for power supply and distribution, live overhaul, maintenance and expansion can be conducted, normal work of the other cabinets is not affected, convenience and rapidness are brought to expansion operation,and the cost is low.

The invention discloses a circuit conversion structure in a PID recovery device of a solar power station. The circuit conversion structure comprises an insulation detection module and the PID recoverydevice, wherein the PID recovery device comprises a power supply module, a relay device and a control module, a grounding port of the insulation detection module is conductively connected with the relay device, the relay device is conductively connected with the ground, a positive port and a negative port of the insulation detection module are conductively connected with a positive electrode anda negative electrode of direct current respectively, a positive port of the power module is conductively connected with a positive electrode of the direct current, a negative port of the power moduleis conductively connected with the ground, and the control module is conductively connected with the power module. The circuit conversion structure is advantaged in that defects in the prior art are overcome, when the PID recovery device works, an insulation detection device is disconnected, the insulation condition of the power station system is monitored by the PID recovery device, when the PIDrecovery device stops working, the insulation detection device is connected, and the insulation detection module works normally, so the PID recovery effect is achieved, and the normal effect of the insulation detection function and the normal work of the inverter are not influenced.

The invention discloses an electromagnetic shield device of a liquid capacitive type sensor. The electromagnetic shield device is a metal hollow cavity body with certain thickness, and the liquid capacitor type sensor is arranged inside the hollow cavity of the shield. The shield is provided with a plurality of circular holes A on the side wall, the outer side on the side wall of the shield extends along the axial direction of the circular holes A to form a cylinder A, and the extending end port of the cylinder A is a sealed port. The side wall of the cylinder A is provided with a circular hole B, the outer side on the side wall of the cylinder A extends along the axial direction of the circular hole B to form a cylinder B perpendicular to the cylinder A axially, and the end port of the cylinder B is an opening. The device greatly increases the shielding effect by using the length of dielectric waveguide and the standing wave property of electromagnetic wave. The device can resist the outside electromagnetic interference for the liquid capacitive type sensor, and ensures that the liquid capacitive type sensor work normally under the electromagnetic radiation. Meanwhile, the shield does not affect the normal operation of the liquid sensor.

The invention discloses an aero-engine which comprises a turbine, the turbine comprises a rotor and a stator, the aero-engine further comprises a shaft failure speed limiting device arranged between the rotor and the stator, and the shaft failure speed limiting device comprises a pulling part fixedly connected to the rotor; the distance piece is arranged on the stator; the locking piece is arranged on the stator; the shaft failure speed limiting device is configured in the mode that when a turbine works normally, a locking piece is located at a locking piece first position relative to a stator, a spacing part of a spacing piece is kept at a spacing part first position relative to the stator, and gaps are kept between a pulling part and the locking piece and between the pulling part and the spacing piece; when a turbine shaft failure working condition occurs in the turbine and a movable blade of the turbine moves towards the downstream of the gas flowing direction in the axial direction, the pulling part pulls the locking piece to move towards the downstream of the gas flowing direction in the axial direction to the locking piece second position, the spacing part of the spacing piece moves to the spacing part second position, and at the spacing part second position, the movable blade of the turbine moves towards the downstream of the gas flowing direction in the axial direction. The spacing part is located on the upstream of the pulling part and located between the pulling part and the stator in the axial direction.

The invention discloses tail gas treatment equipment for machining. The equipment comprises a treatment box and a smoke discharge connecting pipe, wherein the bottom end of the smoke discharge connecting pipe penetrates through the left side of the top of the treatment box and is communicated to the interior of the treatment box, a first partition plate is fixedly connected to the left wall of theinner cavity of the treatment box, a connecting frame is fixedly connected to the top of the first partition plate, a dust filtering mechanism is slidably connected to the outer surface of the connecting frame, and a second partition plate is fixedly connected to the right side of the first partition plate. The invention belongs to the technical field of machining. According to the invention, thebox-type treatment box structure is constructed to perform tail gas treatment, the dust is subjected to filtering adsorption by using the dust filtering mechanism, the first partition plate is used as the heat transmission plate to directly collect heat, and then the second partition plate, the third partition plate and the spraying mechanism are used for atomizing and adsorbing condensate, so that the dust condensation and the purification of gas harmful elements are achieved, the overall structure is compact, and convenience is provided for use and maintenance of users.