436 results about "Voltmeter" patented technology

The invention provides an electrical performance calibration device and method for fusing electrolytic hydrogen production and a hydrogen fuel cell. The electrical performance calibration device comprises an upper computer, a first digital sampling voltmeter, a second digital sampling voltmeter, a synchronous data acquisition card, a synchronous inspection switch, a current converter, a voltage converter, an electric pile, a programmable power supply, a self-calibration module and an external calibration signal source, the synchronous inspection switch is used for detecting a single-cell voltage bus of a galvanic pile and feeding back the single-cell voltage bus to a sampling end of the first digital sampling voltmeter, and a feedback end of the first digital sampling voltmeter is connected with a first input end of the upper computer; the current converter is used for detecting a current loop of the galvanic pile; the voltage converter is used for detecting the total voltage of the electric pile; and the programmable power supply is connected with a power supply terminal of the electric pile. According to the invention, the problems of poor synchronism, lack of self-calibration, low impedance measurement precision and incompatibility of two-way metering during electrical performance calibration of electrolytic hydrogen production and hydrogen fuel cells are solved.

The utility model relates to the technical field of relay verification, in particular to a portable time relay verification circuit and device. Comprising a timer, a first intermediate relay, a second intermediate relay, a first selection switch, a second selection switch, a third selection switch, a direct current voltmeter, a power switch, a start button, a reset button, a power indicating lamp and a power module. According to the utility model, through different combinations of the three selection switches, verification of eight different types of time relays is realized by using the two intermediate relays, the structure is simple, the integration is good, the cost is low, and the verification capability of the time relay during the ship navigation period is improved.

The invention provides a display device and a display method. The display device comprises a display panel and a driving chip, the driving chip comprises a voltage regulating unit, an overvoltage driving unit and a triggering unit; the trigger unit is used for detecting whether the current display picture of the display panel is a heavy-load picture or not, and when the display picture is the heavy-load picture, the trigger voltage regulation unit and the overvoltage driving unit are triggered to work cooperatively; the voltage adjusting unit is used for adjusting a target driving voltage corresponding to a target gray scale in the liquid crystal driving voltmeter, so that the lighting effect reaches the preset brightness when the display panel displays a white picture; the overvoltage driving unit is used for starting a driving function, adjusting the parameter configuration table and performing overvoltage driving on a data line of the display panel based on the parameter configuration table and the target driving voltage so as to improve the charging rate of the heavy-load picture, so that the charging rate is improved by detecting the heavy-load picture and cooperatively adjusting the voltage and overvoltage driving, and the charging efficiency is improved. The method has the advantages of improving the charging rate of a heavy-load picture, eliminating display defects and improving the display quality.

The invention belongs to the technical field of high-temperature superconducting detection, and discloses a quench detection sensor based on a high-temperature superconducting material and a detection method.The quench detection sensor comprises an inner layer structure composed of a metal base band, a first insulating layer and a high-temperature superconducting material layer, and a second insulating layer arranged between the metal base band and the high-temperature superconducting material layer; the second insulating layer covers the areas, not at the two ends, of the outer side of the inner layer structure, and a metal base band or a high-temperature superconducting material layer is arranged between the second insulating layer and the first insulating layer; the two ends of the short-circuit connection metal are fixedly connected to the first end of the metal base band and the first end of the high-temperature superconducting material layer respectively; the number of the connecting terminals is two, the two connecting terminals are jointly used for being connected with a detection voltmeter and a detection current source through wires, and the two connecting terminals are fixedly connected to the second end of the metal base band and the second end of the high-temperature superconducting material layer respectively. The quench detection sensor is high in detection reliability.

An insulation monitor for a high-voltage onboard electrical system of a motor vehicle is provided. A respective Y-capacitor is arranged between the positive potential and the vehicle earth and between the negative potential and the vehicle earth. The insulation monitor has a current or voltage source, a voltmeter for measuring at least one of the potentials, and is configured to apply a negative current by the current source when the potential measured by the voltmeter exceeds a predefined upper value and to apply a positive current by the current source when the potential measured by the voltmeter falls below a predefined lower value. The current thus being limited to a maximum permissible contact current in the case of an insulation fault and it is possible to infer the magnitude of the insulation resistances using the voltage measured by the voltmeter and the recharging current that has been fed in.

A neuromorphic device includes a plurality of resistor lines, each comprising a plurality of resistors that are serially connected to each other; one or more current sources configured to control a current flowing in each of the resistor lines to a respective current value; a plurality of capacitors configured to be electrically connected to each of the resistor lines and to sample respective voltage of each of the resistor lines representing results of neuromorphic operations; and a switch configured to connect the plurality of the capacitors in parallel after the sampling the respective voltage of each of the resistor lines, to output a sum of the results of neuromorphic operations.

The utility model discloses a fountain waterscape control and protection device, which relates to the technical field of fountain waterscape, and comprises a waterscape pool and a fountain machine pump set, the fountain machine pump set is provided with a water inlet pipe and a main drainage pipe, and the fountain waterscape control and protection device further comprises a water level monitoring assembly, an equipment protection assembly and a standby drainage pump; the water level monitoring assembly comprises a liquid level sensor; the equipment protection assembly comprises a controller and a voltmeter, and the fountain machine pump set is provided with a voltage stabilizer; according to the utility model, voltage monitoring can be carried out on the machine pump set of the fountain through the voltmeter, so that the working voltage of the machine pump set of the fountain is kept stable, and damage to machine pump equipment caused by unstable voltage is avoided; and through the liquid level sensor, when the water level of the waterscape pool rises due to voltage fluctuation, water can be drained through the standby drainage pump so that the water level can return to normal, and overlarge load of the drainage pump in the fountain machine pump is avoided.

A measuring system comprises a voltage converter circuit that converts and outputs a voltage between a first terminal and a second terminal, and a computing device that detects anomalies in the voltage converter circuit. The voltage converter circuit comprises: a first output circuit that outputs a first output voltage obtained by multiplying a potential of the first terminal with respect to a predetermined reference potential by a conversion gain; a second output circuit that outputs a second output voltage obtained by multiplying a potential of the second terminal with respect to the reference potential by a conversion gain; and a third output circuit that outputs a third output voltage obtained by multiplying a voltage between the first terminal and the second terminal by a conversion gain.The conversion gains of the first output circuit, the second output circuit, and the third output circuit can be set to values ​​of at least one first group and one second group, and the ratio between a first group conversion gain and a second group conversion gain set in the third output circuit differs from the ratio between a first group conversion gain and a second group conversion gain set in the first output circuit or the second output circuit.The computing device comprises the following: a voltmeter which measures the first output voltage, the second output voltage and the third output voltage, and a diagnostic unit which, using conversion gains of a selected group, which is one of the first group and the second group, calculates a first conversion value, a second conversion value and a third conversion value corresponding to input voltages of the first output circuit, the second output circuit and the third output circuit, based on the first output voltage, the second output voltage and the third output voltage, and determines that an anomaly exists if the sum of the first conversion value and the second conversion value deviates from the third conversion value by at least one predetermined value.

The invention provides an impedance regulation capability analysis method for a high-proportion renewable energy converter device, and belongs to the field of energy, and the method comprises the steps: constructing a PCC point voltage expression and a converter current frequency domain expression which do not consider a PWM (pulse width modulation) nonlinear link; the PCC point represents a common connection point; based on the PCC point voltage expression which does not consider the PWM nonlinear link, constructing a PCC point voltage expression which considers the frequency domain of the PWM nonlinear link; and based on the current frequency domain expression of the converter without considering the PWM nonlinear link and the PCC point voltage expression of the frequency domain of the PWM nonlinear link, constructing a grid-connected inverter sequence impedance model considering the PWM nonlinear link for analyzing the impedance adjustment capability of the renewable energy converter. The dynamic behavior of the renewable energy power generation equipment can be captured, and an analysis tool is provided for power grid operation and control.

1. Name of the product in this design: Graphical user interface for displaying battery power in electronic devices. 2. Purpose of this design: For use as a battery power display interface on a motorcycle voltage display panel. 3. The key design features of this product are its graphical user interface content. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The rear view, left view, right view, top view, and bottom view have no design points, so the rear view, left view, right view, top view, and bottom view are omitted. 6. Human-computer interaction method of graphical user interface: The main view is the full-charge state of the color screen voltmeter, that is, the state after the voltmeter is fully charged and charging is turned off when the OFF button is clicked; clicking the ON button can switch to the changing state diagram 1, the color screen voltmeter interface is in the charging state; changing state diagram 2 is the low battery display of the color screen voltmeter; changing state diagram 3 is the discharge short circuit protection state of the color screen voltmeter.

The invention discloses a function detection device and method for a separation pin, an electric detonator and a thermal battery, and relates to the technical field of avionics, the function detection device comprises a control panel, and a power supply module, a low-resistance test module and a voltage and current test module which are installed on the control panel, and an externally used 220V power supply is sent to the power supply module through a fuse F1 and a power switch S1; after voltage stabilization and filtering of the power supply module, the voltage is converted into a required 27V linear direct-current power supply and instrument working voltage 24V, the instrument working voltage 5V, the 27V linear direct-current power supply is sent to a control panel through a fuse F2 and a 27V voltage switch S2, and the 27V linear direct-current power supply is connected in parallel with a 27V voltmeter PV0; instrument working voltage 24V is respectively sent to a control panel and a state indicating lamp through fuses F3 and F4, and instrument working voltage 5V is sent to a voltage and current test module and an instrument of the control panel. The device is easy to operate, accurate in measurement, capable of meeting detection requirements, safe and stable in operation and convenient to carry.

A diaphragm air pump performance test device belongs to the technical field of test devices and comprises a positive pressure sensor, a negative pressure sensor, an electromagnetic valve, an air compressor, a workbench, a single-chip microcomputer module, a test fixing seat, a flow meter, a voltmeter, a hose connector, a detection circuit and an alarm circuit. An isolation plate, a single-chip microcomputer module, a detection circuit and an alarm circuit are arranged in the workbench, a voltmeter is installed at the upper end in the workbench, and an air compressor is installed at the lower end in the workbench; the positive pressure sensor, the negative pressure sensor and the electromagnetic valve are installed on the partition plate, and the test fixing base is installed at the front end of the workbench. By means of simple switching of the power switch, input and output flow, input and output pressure data and generated negative pressure data of the diaphragm air pump in unit time can be detected, pressure maintaining data in unit time can also be detected, and when the pressure maintaining data is abnormal, a worker can be prompted to end the detection process in time through the alarm. According to the utility model, convenience is brought to workers, and detection data is more comprehensive.

The invention discloses a voltage detection method, a voltage detection device, electronic equipment and a computer readable storage medium, the detection method is applied to the electronic equipment, and the detection method specifically comprises the following steps: under the condition that the electronic equipment is accessed to a preset network, respectively sending channel establishment instructions to at least two target voltmeters, establishing a communication channel with each target voltmeter; the target voltmeter is a voltmeter determined by the electronic equipment based on a preset method; sending a network connection instruction to each target voltmeter based on the communication channel corresponding to each target voltmeter so as to instruct each target voltmeter to access a preset network; the network connection instruction comprises networking information of a preset network; detection voltages sent by the target voltmeters are received based on a preset network so as to complete voltage detection, and the detection voltages are voltages obtained by detecting the corresponding detection points through the target voltmeters. According to the method, different voltage detection scenes can be flexibly and efficiently coped with, so that the reliability of voltage detection is improved.

The utility model relates to the technical field of relays, and discloses a relay with a safety monitoring function, which comprises a relay body, a clamping seat, a digital display ampere-voltage meter, a thermometer, a heat dissipation assembly and a reinforcing assembly, a clamping seat is clamped on the outer side of the relay body and comprises a clamping plate and an insulating layer, the insulating layer wraps the outer side of the clamping plate, a thermometer is installed on one side of the clamping seat through an installation seat, heat dissipation assemblies are arranged on the two sides of the clamping seat and comprise ventilation boxes fixed to the two sides of the clamping seat in a penetrating mode through bolts, and draft fans are installed in the ventilation boxes through installation frames. Hanging plates are arranged at the tops of the clamping seats. Current and voltage of the relay body are monitored through the digital display ampere-voltage meter, the temperature of the relay body is monitored through the thermometer, and after the relay body is damaged, the clamping seat, the hanging plate, the thermometer, the digital display ampere-voltage meter and the like which are installed on the clamping seat and the hanging plate can be detached, so that the relay is convenient to use again and suitable for being widely popularized and used.

A plasma processing apparatus includes a plasma processing chamber; a base; an electrostatic chuck; a plurality of electrode layers disposed in the same plane within the electrostatic chuck; a switch group including a plurality of first switches electrically connected to the electrode layers, respectively; a power supply and a measurement unit that are electrically connected to the switch group; a second switch that selects either the power supply or the measurement unit as a connection destination of the switch group; and a controller. The power supply includes a power source that supplies a power to the electrode layers. The measurement unit includes a resistor and a voltmeter that measures a voltage applied to the resistor. The controller is capable of executing a control operation that includes switching the connection destination of the switch group to the measurement unit and then turning ON the plurality of first switches one by one.

A photoelectric converter sensitivity adjusting device and method, comprising a light source module, a shielding cage, an optical fiber bundle, an optical power meter, a power supply, a photoelectric converter and a voltmeter, the light source module is used to generate test light, one end of the shielding cage is provided with a small hole for receiving the test light, the other end is provided with an optical fiber bundle connector connected with the optical fiber bundle, the test light entering the shielding cage from the small hole enters one end of the optical fiber bundle from the optical fiber bundle connector, the optical power meter is used to test the optical power emitted from the other end of the optical fiber bundle, the photoelectric converter has an optical fiber bundle connector and an output signal line, the optical fiber bundle connector is used to be detachably connected to the other end of the optical fiber bundle, and the voltmeter tests the output voltage of the photoelectric converter; the photoelectric converter is provided with a sensitivity adjusting resistor, and the output voltage can be changed under the same light intensity excitation. The device can shield the interference of environmental light in ordinary experimental environment, accurately adjust the sensitivity of the photoelectric converter, and has the advantages of low cost, high detection efficiency and convenient operation.

An adjustable potential tester relates to the field of potential testing, and is used for solving the problem that when a complex circuit on an electrical box breaks down, a universal meter is time-consuming and labor-consuming to detect. The adjustable potential tester comprises a housing, a display screen, a power supply, a circuit board, a detection line, a jointing clamp and a voltmeter. A display area and an operation area are formed on the surface of one side of the shell; the display screen is arranged on the display area of the shell; the power supply is arranged in the shell and is electrically connected with the display screen; the circuit board is electrically connected with the power supply, and a circuit is printed on the circuit board; one end of each detection line is electrically connected with the circuit board, and the other end of each detection line extends out of the shell; the plurality of wiring clamps are arranged, the plurality of wiring clamps are in one-to-one correspondence with the plurality of detection lines, the wiring clamps are arranged at one ends, located outside the shell, of the corresponding detection lines, the detection ends of the plurality of voltmeters are electrically connected with contacts, located on the circuit board, of the detection lines, each voltmeter is arranged between two detection lines, and the voltmeters are electrically connected with the display screen.

The invention provides a mining DC power supply electrical performance detection system, and the method comprises the steps: connecting one end of a programmable AC power supply to a PCI bus industrial control computer, and connecting the other end of the programmable AC power supply to the input end of a detected mining DC power supply; the programmable direct-current power supply and the programmable multi-path electronic load are respectively connected with the PCI bus industrial personal computer and the ampere meter; the input end of the ampere meter is connected with the tested mining direct-current power supply, and the output end of the ampere meter is connected with the programmable direct-current power supply, the programmable multi-path electronic load and the PCI bus industrial personal computer; one end of the digital memory oscilloscope is connected between the output end of the tested mining direct-current power supply and the input end of the ampere meter, and the other end of the digital memory oscilloscope is connected to the PCI bus industrial personal computer; one end of the first voltmeter is connected to the PCI bus industrial personal computer, and the other end of the first voltmeter is connected between the output end of the programmable alternating current power supply and the input end of the tested mining direct current power supply. According to the technical scheme provided by the invention, the detection efficiency and precision of the electrical performance of the mining DC power supply are improved.

A method (100) of operating a flyback converter (250) to charge a DC link capacitor (210), with the steps of: determining (120) a voltage (Ux), characterizing the voltage at the DC link capacitor (210), specifying (140) a target charging current level (I_L) for charging the DC link capacitor (210) and specifying a corresponding duty cycle (Tx) for actuating the first circuit breaker (252) for as long as the determined voltage (Ux) falls below a first voltage level value (U1), specifying (150) a target charging voltage level (U_L), for as long as the determined voltage (Ux) corresponds to the first voltage level (U1) or the determined voltage (Ux) exceeds the first voltage level (U1) and the determined voltage (Ux) falls below a second voltage level (U2).

The utility model discloses a multifunctional battery box, which solves the technical problems that a battery is easy to shake and shift in the battery box and the current and voltage of the battery cannot be monitored at any time, and comprises a box body, a battery fixing mechanism is arranged at the bottom of an inner cavity of the box body, and a voltmeter is arranged on the front wall of the box body close to the left side. The ammeter is arranged on the right side of the voltmeter, the positioning mechanisms are arranged on the ammeter and the voltmeter respectively, a threading opening is formed in the front wall of the box body, and the voltmeter and the ammeter can monitor a battery through mutual cooperation of the fixed plate, the multidirectional lead screw, the positioning plate, the fixed frame, the movable frame and the like; the voltmeter, the ampere meter and the switch fuse can be replaced conveniently if damaged, the switch fuse can protect the battery during use, in addition, the battery can be clamped by the two fixing plates by rotating the multidirectional lead screw, and the problem that the battery shakes is effectively avoided.

1. The name of the design product: standard cell. 2. The use of the design product: standard cell is a kind of electromotive force standard device, which can save and transfer electromotive force standard. It can be used as a reference standard of potentiometer or for calibration of digital voltmeter. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model belongs to the technical field of transformer performance detection, and particularly relates to a portable transformer loss test power box which is characterized by comprising a suitcase shell, a panel and a three-phase compensation power capacitor, the panel and the three-phase compensation power capacitor are both accommodated in the suitcase shell, and the panel is connected with the three-phase compensation power capacitor. An input ammeter, an input voltmeter, an output ammeter, an output voltmeter, an input side connector socket and an output side connector socket are arranged on the panel; three groups of three-phase compensation power capacitors are arranged, and three fling-cut switches are correspondingly arranged on a panel; the input side connector socket is connected with a voltage regulator through a cable, and the output side connector socket is connected with a to-be-tested transformer through a cable. The beneficial effects of the utility model are that the portable box-type structure is adopted, which is convenient to carry and is especially suitable for the on-site loss test of a large-scale transformer; the switching type three-phase compensation power capacitor can be suitable for various transformer models and is high in universality; the method is very suitable for transformer loss batch test operation.

The utility model discloses a compact sludge specific resistance measuring device relates to sludge specific resistance measuring technical field, wherein, compact sludge specific resistance measuring device includes box, vacuum pump, monitoring module and three -way valve, and the box has the cavity, and the rear side of box is equipped with the heat dissipation hole, and the vacuum pump is installed in the cavity, and monitoring module is installed in the cavity, and monitoring module is electrically connected with vacuum pump, to monitor the running condition of vacuum pump, and monitoring module includes the timer, voltmeter, pressure gauge, timing switch and vacuum pump switch that show in the front of box, and three -way valve is located the side portion outside the box, and vacuum pump is connected with two different filtrate containers respectively through three -way valve. The utility model discloses adopts mesa formula design, and the volume of device is reduced, and through the design three -way valve, can realize the synchronous suction filtrate of two different filtrate containers, improves the suction efficiency.

The present application relates to a method for driving a display panel and a display device, wherein the method includes: a timing controller detecting the current display mode; when the display mode is a variable refresh rate mode, the timing controller detecting the refresh frequency of the image; when the timing controller detects a change in the refresh frequency of the previous frame, the timing controller calls a pixel brightness correction table and a gamma voltage table corresponding to the refresh frequency of the previous frame at the beginning of the current frame; and a microcontroller driving the display panel to display the image using the pixel brightness correction table and gamma voltage called by the current frame when displaying the next frame. This application solves the problem in the prior art of a long delay in calling the corresponding pixel brightness correction table after the refresh frequency is switched, resulting in noticeable flickering in the switching image.

This invention discloses an active coupling cavity device and calibration method for calibrating a standard microphone. A sound source adapter is located at the signal input end of the active coupling cavity. A multi-channel sound field distribution structure is located within the active coupling cavity, comprising eight acoustic channels evenly distributed circumferentially along the central axis of the active coupling cavity. A symmetrical clamping assembly constrains the reference microphone and the microphone under test to be symmetrical about the central axis of the active coupling cavity. A coaxiality test ring assembly rigidly constrains the axes of the reference microphone and the microphone under test to coincide with the central axis of the active coupling cavity. The calibration test system includes a signal generator, a sound level meter under test, a preamplifier, a measurement amplifier, a bandpass filter, and a digital voltmeter. The multi-channel uniformly distributed sound field structure solves the problem of uneven sound pressure distribution caused by unidirectional input, and the symmetrical clamping assembly and the coaxiality test ring assembly respectively solve the problem of poor consistency in low-frequency and high-frequency phase measurements.

In some examples, a circuit include a class-D amplifier configured to receive an input signal and provide a drive signal based on and responsive to the input signal for driving an output device. The circuit also includes a current sensing circuit coupled to the class-D amplifier and configured to provide voltage signals representative of current flow through the class-D amplifier. The circuit also includes a current measurement circuit coupled to the current sensing circuit and configured to provide a first and second voltage difference signals derived from the voltage signals. The circuit also includes a current summing circuit coupled to the current measurement circuit and configured to determine a first current signal representative of the first voltage difference signal, determine a second current signal representative of the second voltage difference signal, and combine the first and second current signals to form a current sum signal. The circuit also includes a converter circuit coupled to the current summing circuit and configured to convert the current sum signal to a voltage representation.

An automatic control device for ground far-end water taking belongs to the technical field of control equipment and comprises a power module, a voltmeter, a self-priming water pump, an electromagnetic valve, a water pressure sensor, a flow sensor, a water pressure switch, a water level switch and a control circuit. One end of the electromagnetic valve is connected with a tap water pipe, the first set of water pressure sensor and the water pressure switch are connected with the side end of the tap water pipe, the water inlet end of the first set of flow sensor is connected with the other end of the electromagnetic valve, and the second set of water pressure sensor and the water level switch are installed in a water pool. The third water pressure sensor is installed at the side end of a water outlet pipe of the self-priming water pump. According to the utility model, full-automatic control is realized, and a safe water level in the pool is ensured; water pressure, flow, water level depth of the pool and other data can be transmitted to a duty room, workers in the duty room can know working conditions of all equipment without arriving at the site, and stable and reliable water supply work of mining area underground water equipment and the like is guaranteed.

A switching converter includes high-side switch, a low-side switch, a first transistor, a second transistor, and a pull-up element. A series arrangement of the first transistor and the second transistor is coupled between a first terminal of the pull-up element and a first constant reference potential. A second terminal of the pull-up element is coupled to a second constant reference potential. A control terminal of the first transistor is coupled to a junction of the high-side switch and the low-side switch. A control terminal of the second transistor is coupled to the control terminal of the low-side switch. A voltage at a junction of the pull-up element and the series arrangement represents a binary-level overlap indicator that indicates whether an ON-duration of the high-side switch overlaps with an ON-duration of the low-side switch. A control loop in the switching converter dynamically adjusts the falling dead-time based on the overlap indicator.

The objective is to provide an electromagnetic pump malfunction detection device that can accurately determine whether or not there is a malfunction in the pump without being affected by external vibrations. [Solution] The configuration of the electromagnetic drive pump abnormality detection device according to the present invention is an electromagnetic drive pump abnormality detection device that pumps fluid by causing a plunger to reciprocate using an electromagnetic coil, and comprises a varistor inserted in parallel with the electromagnetic coil, a voltmeter arranged on a drive circuit that supplies power to the electromagnetic coil, and a determination unit that determines an abnormality from the value acquired by the voltmeter, wherein the determination unit acquires the minimum value V1 of the voltage after a first predetermined time Ta has elapsed from the falling edge of the drive voltage and before a second predetermined time Tb has elapsed, and if the minimum value V1 falls below the threshold V0, it determines that the plunger is operating normally and that it is functioning normally, and if the minimum value V1 does not fall below the threshold V0, it determines that the plunger is locked and that it is functioning abnormally.

The utility model provides an RMP testboard and test system, which comprises a testboard body, a panel arranged at the front end of the testboard body and a backboard arranged at the rear end of the testboard body, and is characterized in that the panel comprises a voltage and current monitoring area provided with a voltmeter and an ampere meter and used for monitoring voltage and current; the switch area is provided with a power switch area and a discrete magnitude control switch area; the connecting area is provided with a connector J1; the test area is provided with a test hole area and a test indicating lamp area; wherein the test hole area is provided with a power supply output test hole, a discrete magnitude output test hole, a 429 bus test hole and a grounding hole; the back plate is provided with a power input interface; the RMP test board is simple in overall structure and low in manufacturing cost and later maintenance cost, the RMP test board is in communication connection with the to-be-tested panel, the bus analyzer and the oscilloscope are combined to achieve RMP function testing, limitation of special test equipment is eliminated, practicability is high, and the RMP test board is suitable for application and popularization.