44results about How to "Simple debugging method" patented technology

The invention discloses a circuit power fail safeguard device and a protection method thereof. The device comprises a power fail detection circuit, a charging circuit and a discharging circuit, wherein the power fail detection circuit is connected with a circuit to be detected and is used for detecting whether the circuit to be detected has the phenomenon of power failure; the charging circuit isconnected with the power fail detection circuit and is used for storing electrical energy; and the discharging circuit is respectively connected with the charging circuit and the circuit to be detected and is used for supplying power for the circuit to be detected when the circuit to be detected has the phenomenon of power failure. The invention overcomes the defects of high cost and short service life caused by using a stand-by battery, and simultaneously expands the protection range and increases the protection for cache data and register data of a memory controller, thus being capable of supplying power for an internal memory and an internal memory controller under the condition that equipment suddenly have power down phenomenon, and ensuring the equipment to completely store the processed data and the related status messages. In addition, the invention also has the advantages of simple circuit, low cost, short charging time, high efficiency, small volume and long service life.

The invention discloses equipment, a system and a method for determining the revolving angle of a revolving device and an engineering machine. The revolving device is driven by a revolving motor through a speed reducer. The equipment comprises a receiving device for receiving the rotating angle of the revolving motor or a revolving angle transmission detection gear connected with the revolving device or the speed reducer, and a control device for calculating the relative revolving angle of the revolving device according to the rotating angle and the transmission ratio between the revolving motor and the revolving device or the transmission ratio between the revolving angle transmission detection gear and the revolving device, and determining the current absolute revolving angle of the revolving device according to the relative revolving angle and a stored previous absolute revolving angle. Through the technical scheme, the installation requirement of the revolving angle sensor and the concentric condition of the revolving device can be not required to be satisfied, so that eccentric measuring errors do not exist, the accuracy of a measuring result is high, and high reliability is realized.

In view of the demand of microwave photonics, astronomical spectrometric measurement and parallel optical fiber communication systems for a high-frequency spaced optical frequency comb source, especially the demand for an optical frequency comb source which can be integrated on a chip, the invention provides an optical soliton crystal optical frequency comb generation system and method based on amicro-ring resonator. The system includes a pump laser, an optical amplifier, a polarization controller, an optical frequency comb generator and a temperature controller which are sequentially connected through a single-mode optical fiber. The output wavelength of the pump laser is in accordance with the wavelength of a required optical frequency comb, and the operating wavelength of the optical amplifier is in accordance with the output wavelength of the pump laser. The polarization controller is a polarization controller which can withstand the power of the pump light signal. The optical frequency comb generator includes a package shell, a micro-ring resonator and a temperature regulator. The micro-ring resonator and the temperature regulator are packaged in the package shell. The working temperature of the micro-ring resonator is controlled by the temperature controller which is set outside the package shell and connected with the temperature regulator. The optical soliton crystal optical frequency comb generation system has the advantages of low cost, high reliability and small size.

The invention discloses a gamma debugging method and apparatus of a display panel. A resistance value can be obtained simply through determining a voltage difference between first voltages when the display panel displays a blackest image and second voltages when the display panel displays a whitest image and currents of a gamma circuit in the display panel; then directly through determining whether the obtained resistance value is within a reference scope of the display panel during design, whether an initial gamma voltage calculation table needs to be adjusted is determined; If so, it is determined that the initial gamma voltage calculation table accords with a standard and does not need to be adjusted and a register value is determined; and if not, the initial gamma voltage calculation table is adjusted directly through the resistance value so as to determine a new register value, the register value corresponding to each gray scale can be directly and rapidly computed, and finally, according to the determined register value corresponding to each gray scale, gamma burning is performed on the display panel, such that a gamma debugging method can be simplified, and the production efficiency is improved.

The invention provides a normal-pressure continuous seawater desalting system based on a hydrate method and a use method of the desalting system. The normal-pressure continuous seawater desalting system comprises a seawater pool, a cooler, a hydrate generating chamber, a heat exchange type decomposer and a steam generator which are sequentially connected. A circulating heat medium system is arranged between the heat exchange type decomposer and the steam generator. A heat exchanger is connected between the seawater pool and the cooler. A cooled seawater input opening, a hydrate output opening,a gasified cyclopentane input opening and a concentrated seawater output opening are formed in the hydrate generating chamber. The cooled seawater input opening is connected with the output end of the cooler. The hydrate output opening is connected with the heat exchange type decomposer. The liquid output end of the heat exchange type decomposer is connected with a fresh water storage tank. The gas output end of the heat exchange type decomposer is connected with the steam generator through a cyclopentane storage tank. The steam generator is connected with the gasified cyclopentane input opening. The concentrated seawater output opening is connected with the cold medium inlet end of the heat exchanger. The normal-pressure continuous seawater desalting system is reasonable in structure, can be repeatedly used, is simple in adjustment and use method and has extremely high practical application value.

The invention discloses an efficiently-debugged U-type cavity laser and a debugging method thereof. A 1064nm infrared laser, a PBS and a quarter-wave plate are used to form a laser debugging device, 1064nm laser is adjusted to be reference light, pairs of apertures are used to adjust the reference light to be collimated; pairs of apertures are then used to adjust a reflection light path to be collimated, and a laser crystal is adjusted to enable the end surface of the laser crystal to be vertical to the reference light; a laser diode and an optical coupling system are adjusted to enable pumping light and the reference light to be overlapped; a total-reflection mirror is adjusted to enable reflection light of the reference light through the PBS and reflection light through the total-reflection mirror to be overlapped; and an output mirror is adjusted to enable the reflection light of the total-reflection mirror and reflection light through the output mirror to be overlapped. The laser debugging device is used for enabling the pumping light and the reference light to be overlapped, reference light reflected by the total-reflection mirror and the output mirror is overlapped, the end surface parallelism of the whole resonant cavity is ensured, the laser U-type cavity can be debugged efficiently, and the debugging method is simple and accurate.

The invention relates to the field of a debugging method of a metallurgy equipment electric system, in particular to a debugging method of a dry-quenching automatic meter system. The debugging method of the dry-quenching automatic meter system comprises the following steps in sequence: a, debugging of a conventional meter; b, debugging of a special meter; c, detection test of an input / output assembly; d, analogue test of a meter system; e, cooperative joint-trial of the meter system; and f, no-load linkage trial run. In the invention, through the strictly-designed standard installation and detection reference, the debugging method is simple, safe and reliable and has high work efficiency.

The invention relates to a processing method of a thin-wall bearing for an industrial robot. Through technical innovation, deep research of the thin-wall bearing comprises a dynamic quality high-precision detection technology of the thin-wall bearing, a ferrule micro-deformation thermal treatment step, a grinding metamorphic layer-controlled bearing ring fine grinding process, a negative play precise control technology, a precise assembly technology, a ferrule inner and outer diameter non-contact measuring technology and a bearing comprehensive property test technology, so that the thin-wall bearing meets the production demand of think-wall bearing design. The processing method provided by the invention has the beneficial effects that a steel ball is assembled by way of pulling the outer ring and jacking the inner ring by virtue of an assembling tool, the quality and reliability of the thin-wall bearing and a whole harmonic speed reducer are greatly improved, and the deformation residual stress of the outer ring is reduced to the maximum due to the pulling and jacking process during assembly. The minimum deformation of the outer ring needed is formed when the steel ball is assembled and placed due to the process of puling the outer ring and jacking up the inner ring, so that the residual stress caused by assembly is greatly reduced, and the service life of a product is also effectively ensured.

The invention discloses a leveling system of a laser leveling instrument and a debugging method thereof. The leveling system comprises a main body, a first frame with two side walls parallel to the laser beam emitted from the laser leveling instrument and a first bubble pipe arranged on the first frame. A first projecting part is arranged outside a side wall of the first frame; the main body is provided with a first groove corresponding to the first projecting part; the side wall of the first groove is provided with penetrated screw holes; each screw hole is provided with a first adjusting screw and a first cock screw; the first adjusting screw and the first cock screw are matched to fix the first projecting part in the first groove; the other side wall of the first frame is provided with a first connecting hole; the main body is provided with a first screw hole corresponding to the first connecting hole; and the first screw passes through the first connecting hole and is connected with the first screw hole. The invention effectively ensures that the sensor members can be positioned on different positions and guarantee the positioning precision, reduces the debugging time and improves the production efficiency.

The invention discloses a high-impedance crystal resonator serial oscillating circuit. The high-impedance crystal resonator serial oscillating circuit comprises a C0 compensating unit, an I-V conversion circuit, a comparison circuit and the other comparison circuit. The C0 compensating unit is connected with a high-impedance crystal resonator in parallel and used for compensating static capacitance C0 of the high-impedance crystal resonator. The I-V conversion circuit is used for converting a current signal flowing out of the high-impedance crystal resonator into a voltage signal. One comparison circuit is used for forming a square wave excitation signal and feeding the square wave excitation signal back to one end of the high-impedance crystal resonator to form a closed loop. The other comparison circuit is used for forming a square wave output signal. The static capacitance C0 of the high-impedance crystal resonator can be conveniently and accurately compensated, a good effect on excitation of the high-impedance crystal resonator is achieved, meanwhile, the commissioning method for the circuit is simple and low in power consumption, and square waves are output, which facilitates connection with a digital system.

The invention discloses a thin-walled flexible bearing machining technology. The thin-walled flexible bearing machining technology includes the thin-walled inner ring machining procedure, the thin-walled outer ring machining procedure, the pulling and jacking assembly procedure and the examination procedure. An outer ring chamber of a thin-walled outer ring and an inner ring chamber of a thin-walled inner ring are subjected to turning machining before heat treatment; an outer ring R angle on the outer circumferential face of the thin-walled outer ring is machined and formed through a grinding process; and an assembling tool guarantees that the deformation amount of the thin-walled outer ring and the deformation amount of the thin-walled inner ring are the minimum at the same orientation through the outer ring tensile force and the inner ring jacking force. According to the thin-walled flexible bearing machining technology, a steel ball is assembled in the manner that the assembling tool pulls the outer ring and jacks the inner ring, the pulling and jacking process during assembling makes the deformation residual stress of the outer ring reduced to the minimum, the essential minimum deformation amount of the outer ring is formed when the steel ball is placed in for assembly, and therefore the residual stress caused by assembly is greatly reduced, and the service life of a product is also effectively guaranteed.

The invention provides a digital servo control system based on a gyrocompass. A main control processing module is used for acquiring the signals of an 8-shaped coil detection module, an electromagnetic pendulum detection module and an accelerometer detection module, processing the signals, starting a gyroscope, generating a pitching motor operation control instruction and an azimuth motor operation control instruction, and tracking and controlling the operation of a pitching motor and an azimuth motor in real time. According to the system, software debugging can be conducted with the main control processing module directly, the debugging method is simple, flexible design can be realized, and the problem that the stability of an existing servo control system is poor due to the fact that the characteristics of devices are affected by environment temperature is solved. According to a processing method of the digital servo control system based on the gyrocompass, the acquired signals output by an 8-shaped coil, an electromagnetic pendulum and an accelerometer can be processed, and the gyrocompass is controlled to stay in the meridian plane and points north stably.

The invention provides a method for debugging the wavelength of an optical module by using astigmatism. The optical module comprises a plurality of lasers, an optical multiplexer for combining the light of the plurality of lasers into one path and an optical fiber adapter coupled with the optical multiplexer, and the method comprises the following steps of (1) fixing the lasers, the optical multiplexer and the optical fiber adapter; and then obtaining the wavelength of each laser; (2) comparing the obtained wavelength of each laser with the corresponding central wavelength to obtain a difference value between the wavelength and the central wavelength; (3) acquiring an average value of the difference values between the wavelengths of the lasers and the central wavelength, and acquiring a compensation temperature corresponding to the average value of the wavelength difference values according to a change corresponding relation between the temperatures of the lasers and the wavelengths; and (4) compensating the temperature of each laser through a semiconductor cooler according to the compensation temperature. According to the present invention, the repair cost and time are prevented from being increased, the production cost and difficulty are prevented from being increased, and the debugging method is simple.

The invention discloses an optical module receiver, comprising a boosted circuit, a limiting amplifier, and an avalanche photo diode (APD) device. The boosted circuit is connected with the APD device. The APD device is connected with the limiting amplifier. The optical module receiver is characterized by also comprising a bias voltage compensating circuit. The bias voltage compensating circuit is connected with the boosted circuit. The bias voltage compensating circuit uses a thermosensitive element to control the boosted circuit and is used for adjusting the voltage value output by the boosted circuit when the temperature of the APD element changes. The optical module receiver has low cost, stable performance, and a simple method. The invention also discloses a 1*9 optical module, comprising an optical module transmitter and also comprising the optical module receiver disclosed by the invention. The 1*9 optical module can support long distance (greater than 100KM) transmission.

The invention discloses a Cassegrain system primary and secondary mirror optical axis consistency debugging method which utilizes a large-aperture collimator, an internal focusing telescope and a standard ball to realize Cassegrain system primary mirror and secondary mirror optical axis consistency debugging by using an auto-collimation method. An advantage is that the standard ball whose diameter is the same as that of the central hole of the primary mirror is used, a primary mirror optical axis is explicitly expressed through a primary mirror center hole with high coaxial precision. The standard ball is arranged in a central hole of the primary mirror, the center of the standard ball is located on the axis of the central hole of the primary mirror, the curvature center of the reflecting surface of the primary mirror and the center of the standard ball are subjected to auto-collimation through the focusing function of an internal focusing telescope, a curvature center image and a standard ball center image are located on the optical axis of the internal focusing telescope at the same time, and the optical axis of the internal focusing telescope is the optical axis of the primary mirror. And the position of the secondary mirror is adjusted to enable the optical axis of the secondary mirror to be coaxial with the optical axis of the internal focusing telescope to complete primary and secondary mirror optical axis consistency debugging. According to the method, the assembling efficiency and the adjusting quality of the optical axis consistency of the Cassegrain system can be effectively improved.

The invention discloses a dimming cylinder for debugging galvanometer coaxial core. The dimming cylinder comprises a dimming connection cover, a dimming connection tube and a dimming joint connected to each other. The dimming connection cover is provided with an external thread structure, a central boss and a flange cover. The dimming connection tube is in the shape of a slender cylinder and is internally provided with a light guiding through hole. The dimming joint is provided with a dimming small hole. The external thread structure and the center of the dimming small hole are coaxially arranged. The debugging method comprises the steps of (a) removing a field lens, (b) rotating the external thread structure of the dimming connection cover onto a standard internal thread of the field lens, (c) placing a frequency doubling sheet directly under the dimming joint and allowing laser to form observable green light, (d) switching on an optical system switch, (e) allowing the laser to project onto the frequency doubling sheet to form a green ring band, (f) observe the coaxiality of an inner ring and an outer ring of the ring band and finely adjusting the left and right and front and rear horizontal positions of galvanometer mounting parts, and (g) resetting parameters to adjust again. The dimming cylinder has a simple structure, the debugging method is simple and easy to operate, and the practical effect is good.

The invention belongs to the technical field of medical accelerator radiotherapy, and discloses an isocenter debugging device and a method for debugging the isocenter of a linear accelerator, and the isocenter debugging device comprises a medical front pointer and a measurement assembly. The medical front pointer comprises a fixed plate, a movable mechanism and a bat. The fixed plate is used for being connected with external medical equipment. The movable mechanism provided with a bat mounting frame is connected to the fixed plate in a sliding mode, and the bat is detachably connected to the bat mounting frame and provided with an adjusting ball used for indicating the isocenter of external medical equipment; the measuring assembly is used for indicating the relative position of the bat mounting frame and comprises a dial indicator, and a measuring head of the dial indicator can abut against the adjusting ball and is perpendicular to a rotating shaft of the adjusting ball. According to the method for debugging the isocenter of the linear accelerator, the isocenter debugging device is applied, the isocenter can be rapidly debugged, the debugging precision requirement is met, the debugging method is simple and easy to operate, an expensive laser tracker does not need to be purchased, and the economical efficiency is good.

The present invention discloses a dielectric integrated suspension line WLAN dual-passband low noise amplifier. The medium integrated suspension line WLAN dual-passband low noise amplifier comprises alow noise amplifier, a transmission line structure is connected between discrete devices of the low noise amplifier, the transmission line structure comprises a dielectric layer and a transmission line and a grounding layer which are respectively arranged at two sides of the dielectric layer, the transmission line comprises a first transmission line and a second transmission line which are connected in order, the line width of the first transmission line is 5.8-6.2mm, and the line length of the first transmission line is 4.2-4.5mm; and the line width of the second transmission line is 0.8-1.0mm, and the line length of the second transmission line is 3.2-3.5mm. The first transmission line forms a low-impedance line which is equivalent to a capacitor structure having one end earthed; and the second transmission line form a high-impedance line which is equivalent to an inductance structure connected in series in the circuit. The transmission line structure is employed to achieve a filtering effect and achieve an impedance conversion effect.

The invention discloses a signal interference debugging method. The method comprises the following steps: acquiring first receiving sensitivity of a circuit board; acquiring an antenna signal attenuation value of an electronic device and second receiving sensitivity of the electronic device, and calculating real receiving sensitivity; if it is determined that a first difference value between the first receiving sensitivity and the real receiving sensitivity is not less than a first preset value, generating and sending a first debugging instruction or debugging prompt information according to afirst preset rule, wherein the first debugging instruction controls and debugs parameters of electronic components in the electronic device, the debugging prompt information is used for indicating the to-be-debugged states of the electronic components; obtaining the antenna signal attenuation value and the second receiving sensitivity again after debugging, and calculating the new real receivingsensitivity; and determining that the first difference value between the new first receiving sensitivity and the new real receiving sensitivity is smaller than the first preset value, and outputting debugging completion information. The method is simple and accurate in debugging. The invention further provides a debugging device, computer equipment and a storage medium.

The invention discloses a laser turning device, a laser processing light path system and a light path debugging method, and relates to the technical field of laser processing. The laser processing light path system comprises a processing base, a laser beam expansion and collimation device, a laser turning device, a laser focusing device and a coaxial regulation device. The laser beam expansion andcollimation device and the laser turning device are arranged in a spaced manner in the X-axis direction. The laser beam expansion and collimation device is used for emitting a laser and conducting collimation and beam expansion on the laser. The laser focusing device is connected to the processing base. The laser focusing device is used for focusing the laser, emitted out from a light path outlet, into a fine light spot used for processing. The coaxial regulation device is connected to the laser turning device in the Z-axis direction and is used for recognizing an opposite-position processingmark and assisting in regulating the laser light path. By means of the laser processing light path system, beam expansion, turning regulation and focusing of a laser beam can be rapidly and conveniently achieved, the light path debugging method is simple and high in debugging precision, and guarantee is provided for industrialized production of laser processing devices.

The invention relates to the field of a debugging method of a metallurgy equipment electric system, in particular to an electric debugging method of a dry-quenching power distribution system. The electric debugging method of the dry-quenching power distribution system comprises the following steps: a, inspection of equipment appearance; b, correction and inspection of cable wiring; c, test of a transformer; d, test of a high-voltage switch cabinet; e, test of a relay protection unit; f, high-voltage holding test of the transformer; g, high-voltage holding test of the system; h, setting of relay protection; I, test of system blank operation; j, test of a high-voltage cable; k, debugging of a low-voltage power distribution disc; l, inspection of low-voltage trial power transmission; m, electrification and operation of high voltage; n, power transmission and operation of the transformer; o, electrification and operation of a low-voltage disc; and p, recording and arrangement of debugging. In the invention, through the strictly-designed standard installation and detection reference, the debugging method is simple, safe and reliable and has high work efficiency.

The invention relates to the field of metallurgical equipment mounting, in particular to a method for mounting a dry quenching circulating fan. The method sequentially comprises the following steps of: (a) basically checking and accepting; (b) setting foundation bolts and a seat slurry pier device as well as opening a box to check equipment; (c) mounting a fan, a bearing and a motor base; (d) carrying out primary grouting of the foundation bolts of the equipment; (e) mounting a lower bearing block; (f) mounting a lower shell of the fan; (g) mounting a rotor; (h) mounting an upper bearing casecover, an upper slip and a shaft seal; (i) mounting an upper shell of the fan and a shaft seal; (j) mounting the motor; (k) correcting a coupling; (l) mounting an adjustment and execution mechanism of the inlet and the outlet of the fan; (m) carrying out secondary grouting on an equipment foundation; (n) mounting expansion joints of the inlet and the outlet; (o) mounting a circulating cooling water system and an accessory system; and (p) carrying out test run of the equipment. Through strictly designing normative mounting and detecting standards, the invention has the advantages of simple debugging method, safety, reliability and high working efficiency.

The invention discloses a circuit power fail safeguard device and a protection method thereof. The device comprises a power fail detection circuit, a charging circuit and a discharging circuit, wherein the power fail detection circuit is connected with a circuit to be detected and is used for detecting whether the circuit to be detected has the phenomenon of power failure; the charging circuit isconnected with the power fail detection circuit and is used for storing electrical energy; and the discharging circuit is respectively connected with the charging circuit and the circuit to be detected and is used for supplying power for the circuit to be detected when the circuit to be detected has the phenomenon of power failure. The invention overcomes the defects of high cost and short service life caused by using a stand-by battery, and simultaneously expands the protection range and increases the protection for cache data and register data of a memory controller, thus being capable of supplying power for an internal memory and an internal memory controller under the condition that equipment suddenly have power down phenomenon, and ensuring the equipment to completely store the processed data and the related status messages. In addition, the invention also has the advantages of simple circuit, low cost, short charging time, high efficiency, small volume and long service life.

The present invention provides a method for adjusting the wavelength of an optical module by using astigmatism. The optical module includes a plurality of lasers, an optical multiplexer for combining the light of the multiple lasers into one path, and an optical fiber adapter coupled with the optical multiplexer. The method includes the following steps : (1) after fixing the laser, optical multiplexer and fiber optic adapter, obtain the wavelength of each laser; (2) compare the obtained wavelength of each laser with the corresponding center wavelength, and obtain the difference with the center wavelength; (3) Obtain the average value of the difference between the wavelength and the center wavelength of each laser, and obtain the compensation temperature corresponding to the average value of the wavelength difference according to the corresponding relationship between the temperature of the laser and the wavelength; temperature compensation. The invention avoids increasing repair cost and time, avoids increasing production cost and difficulty, and has a simple debugging method.

The invention discloses a CTCS‑2 train control system debugging method, comprising the following steps: after the train control center system works normally, the train control center maintenance machine extracts the default messages sent by the train control center to all active transponders; Extract the route messages sent by the train control center to all active transponders through the maintenance machine of the train control center, and extract all the routes in the interlocking route table; after the temporary speed limit server issues the temporary speed limit, arrange the relevant routes , extract the relevant temporary speed limit message through the maintenance machine of the train control center; issue a temporary speed limit order that may cause the downgrade of the incoming signal or the downgrade of the departure lane, and check and check the degraded situation at the train control center of the station; according to the train control engineering data sheet Check whether the extracted default message, route message, and temporary speed limit message are accurate. This debugging method is simple, and can comprehensively check the stability of the train control system, and is suitable for debugging after station renovation.

The invention discloses a high-impedance crystal resonator serial oscillating circuit. The high-impedance crystal resonator serial oscillating circuit comprises a C0 compensating unit, an I-V conversion circuit, a comparison circuit and the other comparison circuit. The C0 compensating unit is connected with a high-impedance crystal resonator in parallel and used for compensating static capacitance C0 of the high-impedance crystal resonator. The I-V conversion circuit is used for converting a current signal flowing out of the high-impedance crystal resonator into a voltage signal. One comparison circuit is used for forming a square wave excitation signal and feeding the square wave excitation signal back to one end of the high-impedance crystal resonator to form a closed loop. The other comparison circuit is used for forming a square wave output signal. The static capacitance C0 of the high-impedance crystal resonator can be conveniently and accurately compensated, a good effect on excitation of the high-impedance crystal resonator is achieved, meanwhile, the commissioning method for the circuit is simple and low in power consumption, and square waves are output, which facilitates connection with a digital system.

The invention discloses a digital definite proportion large flow mixing device comprising a first extinguishing agent primary liquid supplying unit, a second extinguishing agent primary liquid supplying unit, a proportion mixing unit and a definite proportion control unit. The first extinguishing agent primary liquid supplying unit is used for providing first extinguishing agent primary liquid; the second fire extinguishing agent primary liquid supplying unit is used for providing second extinguishing agent primary liquid; the proportion mixing unit is used for producing fire extinguishing agent mixed liquid; and the definite proportion control unit is used for collecting pressure signals of the input end and the output end of the proportion mixing unit, and controlling the mixed liquid flow output by the proportion mixing unit, the injection flow of the first extinguishing agent primary liquid and the injection flow of the second extinguishing agent primary liquid according to the pressure signals. The invention further discloses a testing system and a debugging method of the digital definite proportion large flow mixing device. According to the embodiment of the invention, the proportion of the mixed liquid can be precisely controlled, so that fire extinguishing agents are better compatible in performance and complementary in advantage, thus quick fire extinguishing is achieved, and the fire extinguishing efficiency and reliability are improved.