A quantum voltage-based direct-current power standard source device and a signal generation method

Abstract

The application discloses a kind of direct current electric energy standard source device and signal generation method based on quantum voltage, the device includes: main control module and quantum voltage reference module, voltage output module, current output module, voltage feedback module, current feedback module, first power amplifier module, second power amplifier module, time-frequency reference module and electric energy pulse processing module all with the main control module is connected.The direct current electric energy standard source realized by the application has the advantages of high accuracy, reproducible is not restricted by objective conditions and the like, and the direct current electric energy standard source based on quantum voltage adopts quantum voltage standard with the order of magnitude of 10 ‑8 Accuracy, can make the power accuracy of direct current electric energy standard source reach 10 ‑6 Level, can greatly improve the electric energy accuracy level, improve the existing electric energy traceability level.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric energy standard source, and more particularly, to a direct current electric energy standard source device based on quantum voltage and a signal generation method. BACKGROUND

[0002] In the power system, the calibration and performance index test of instruments and meters need special signal sources. The standard source is often used as the signal source or excitation source of the tested instruments and meters, mainly used in provincial and municipal metrology, defense scientific research units, aerospace departments and electric power departments and enterprises such as electric energy measurement, and also applicable to other occasions requiring standard signal sources for measurement and detection. For example, for the need of direct current electric energy meter detection, a direct current electric energy standard source is needed to output highly stable direct current voltage and direct current, and the electric energy accuracy level is required to reach at least 0.05%.

[0003] At present, the direct current electric energy standard sources provided on the market are all based on electromagnetic principle, and it is close to the physical limit to continue to improve the accuracy level due to the limitation of principle and measurement technology. With the continuous development of electric power quantum metrology technology, the research on the integration of electric power and quantum is gradually deepened. Compared with the traditional electric power base standard, quantum metrology and sensing trace the physical quantity to the basic physical constant, which has the advantages of high accuracy and reproducibility not affected by objective conditions.

[0004] Therefore, in the technical field of electric energy standard source, the direct current electric energy standard source based on quantum voltage can greatly improve the electric energy accuracy level and improve the existing electric energy traceability level.

[0005] Therefore, there is a need for a direct current electric energy standard source device based on quantum voltage and a signal generation method. SUMMARY

[0006] The present application provides a direct current electric energy standard source device based on quantum voltage and a signal generation method to solve the problem of how to generate a direct current electric energy standard source with higher accuracy.

[0007] In order to solve the above problems, according to one aspect of the present application, a direct current electric energy standard source device based on quantum voltage is provided, which comprises a master control module and quantum voltage reference module, voltage output module, current output module, voltage feedback module, current feedback module, first power amplifier module, second power amplifier module, time-frequency reference module and electric energy pulse processing module connected with the master control module; wherein,

[0008] The master control module is used for outputting a first control instruction to the quantum voltage reference module; and outputting a second control instruction to the time-frequency reference module.

[0009] The quantum voltage reference module is configured to generate a quantum voltage standard signal according to the first control instruction.

[0010] The voltage output module is configured to output a direct current voltage signal corresponding to the standard power of the selected gear.

[0011] The current output module is configured to output a direct current signal corresponding to the standard power of the selected gear.

[0012] The voltage feedback module is connected to the quantum voltage reference module and the voltage output module, respectively, and is configured to feed back the output voltage of the voltage output module to the quantum voltage reference module, so as to compare the output voltage with the quantum voltage standard signal.

[0013] The current feedback module is connected to the quantum voltage reference module and the current output module, respectively, and is configured to feed back the output current of the current output module to the quantum voltage reference module, so as to compare the output current with the quantum voltage standard signal.

[0014] The first power amplifier module is connected to the voltage feedback module, and is configured to amplify the quantum voltage standard signal into a direct current voltage signal corresponding to the standard power of the selected gear and transmit the direct current voltage signal to the voltage output module.

[0015] The second power amplifier module is connected to the current feedback module, and is configured to amplify the quantum voltage standard signal into a direct current signal corresponding to the standard power of the selected gear and transmit the direct current signal to the current output module.

[0016] The time-frequency reference module is configured to generate a frequency reference signal based on the second control instruction.

[0017] The electric energy pulse processing module is connected to the time-frequency reference module, and is configured to output a standard electric energy pulse signal based on the frequency reference signal.

[0018] Preferably, the quantum voltage standard signal has an accuracy level of 10 -8 .

[0019] Preferably, the voltage feedback module comprises a voltage dividing circuit and a first voltage follower circuit, wherein

[0020] The voltage dividing circuit is connected to the voltage output module, and is configured to convert the direct current voltage output by the voltage output module into a voltage corresponding to the quantum voltage standard signal in proportion.

[0021] The first voltage follower circuit is connected to the voltage dividing circuit, and is configured to keep the voltage at the output end of the voltage feedback module consistent with the quantum voltage standard signal.

[0022] Preferably, wherein the current feedback module comprises: a current comparator and a second voltage follower circuit; wherein,

[0023] The current comparator is connected with the current output module, for converting the direct current output by the current output module into voltage corresponding to the quantum voltage standard signal in proportion;

[0024] The second voltage follower circuit is connected with the current comparator, for controlling the voltage at the output end of the current comparator to be consistent with the quantum voltage standard signal.

[0025] Preferably, wherein the time-frequency reference module adopts cesium atomic clock.

[0026] According to another aspect of the present application, a signal generation method of a direct current power standard source device based on quantum voltage is provided, characterized in that the method comprises:

[0027] The master control module outputs a first control instruction to the quantum voltage reference module to control the quantum voltage reference module to generate a quantum voltage standard signal, and outputs a second control instruction to the time-frequency reference module to control the time-frequency reference module to generate a frequency reference signal;

[0028] The quantum voltage standard signal is amplified into direct current voltage signal corresponding to the standard power of the selected gear through the voltage feedback module and the first power amplifier module, and the quantum voltage standard signal is amplified into direct current signal corresponding to the standard power of the selected gear through the current feedback module and the second power amplifier module;

[0029] The direct current voltage signal and the direct current signal of the selected gear are output through the voltage output module and the current output module;

[0030] The power pulse processing module outputs a standard power pulse signal based on the frequency reference signal.

[0031] Preferably, wherein the quantum voltage standard signal has an accuracy level of 10 -8 .

[0032] Preferably, wherein the voltage feedback module comprises: a voltage dividing circuit and a first voltage follower circuit,

[0033] The direct current voltage output by the voltage output module is converted into voltage corresponding to the quantum voltage standard signal in proportion through the voltage dividing circuit;

[0034] The voltage at the output end of the voltage feedback module is made consistent with the quantum voltage standard signal through the first voltage follower circuit.

[0035] Preferably, the current feedback module comprises a current comparator and a second voltage follower circuit.

[0036] The direct current outputted by the current output module is converted into voltage corresponding to the quantum voltage standard signal by the current comparator.

[0037] The voltage outputted by the current comparator is controlled by the second voltage follower circuit to be consistent with the quantum voltage standard signal.

[0038] Preferably, the time-frequency reference module adopts a cesium atomic clock.

[0039] The present application provides a quantum voltage-based direct current power standard source device and a signal generation method. The device comprises a master control module, a quantum voltage reference module, a voltage output module, a current output module, a voltage feedback module, a current feedback module, a first power amplifier module, a second power amplifier module, a time-frequency reference module and a power pulse processing module, all of which are connected to the master control module. The direct current power standard source device has high accuracy and is not affected by objective conditions. The quantum voltage-based direct current power standard source adopts a quantum voltage standard with an accuracy level of 10 -8 , which can make the power accuracy of the direct current power standard source reach the level of 10 -6 , greatly improve the power accuracy level and enhance the existing power traceability level. BRIEF DESCRIPTION OF DRAWINGS

[0040] The exemplary embodiments of the present application can be more completely understood by reference to the following drawings:

[0041] Figure 1 FIG. 1 is a structural schematic diagram of a quantum voltage-based direct current power standard source device according to an embodiment of the present application;

[0042] Figure 2 FIG. 2 is a connection structural diagram of a quantum voltage-based direct current power standard source according to an embodiment of the present application;

[0043] Figure 3 FIG. 3 is a circuit schematic diagram of a voltage feedback module and a first power amplifier module according to an embodiment of the present application;

[0044] Figure 4 FIG. 4 is a circuit schematic diagram of a current feedback module and a second power amplifier module according to an embodiment of the present application;

[0045] Figure 5 FIG. 5 is a flow chart of a signal generation method of a quantum voltage-based direct current power standard source device according to an embodiment of the present application. DETAILED DESCRIPTION

[0046] The exemplary embodiments of the present application will now be described with reference to the accompanying drawings. The present application can, however, be carried out in many different ways, and is not limited to the embodiments described herein, which are provided for the purpose of full and enabling disclosure of the present application and to convey the full scope of the present application to those skilled in the art. The terminology used in the description presented herein is not intended to limit the scope of the present application. In the drawings, the same elements / elements are denoted by the same reference numerals.

[0047] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

[0048] In order to meet the needs of the technical field of standard source of electric energy for higher power accuracy level of direct current electric energy standard source, in order to improve the existing electric energy traceability level, the power accuracy of direct current electric energy standard source needs to reach 10 -6 level.

[0049] The present application adopts quantum voltage standard with 10 -8 accuracy level, which can make the power accuracy of direct current electric energy standard source reach 10 -6 level.

[0050] Figure 1 The structure diagram of the direct current electric energy standard source device 100 based on quantum voltage according to the embodiments of the present application. As shown in Figure 1 The direct current electric energy standard source device based on quantum voltage provided by the embodiments of the present application has the advantages of high accuracy, reproducibility not restricted by objective conditions, etc. The direct current electric energy standard source based on quantum voltage adopts quantum voltage standard with 10 -8 accuracy level, which can make the power accuracy of direct current electric energy standard source reach 10 -6 level, greatly improve the electric energy accuracy level, and improve the existing electric energy traceability level. The direct current electric energy standard source device 100 based on quantum voltage provided by the embodiments of the present application comprises a main control module 101 and quantum voltage reference module 102, voltage output module 103, current output module 104, voltage feedback module 105, current feedback module 106, first power amplifier module 107, second power amplifier module 108, time-frequency reference module 109 and electric energy pulse processing module 110, which are all connected with the main control module.

[0051] Preferably, the main control module 101 is configured to output a first control instruction to the quantum voltage reference module, and output a second control instruction to the time-frequency reference module.

[0052] Preferably, the quantum voltage reference module 102 is configured to generate a quantum voltage standard signal for the first control instruction.

[0053] Preferably, the quantum voltage standard signal has an accuracy level of 10 -8 .

[0054] Preferably, the voltage output module 103 is configured to output a direct current voltage signal corresponding to the selected standard power.

[0055] Preferably, the current output module 104 is configured to output a direct current signal corresponding to the selected standard power.

[0056] Preferably, the voltage feedback module 105 is connected to the quantum voltage reference module and the voltage output module respectively, and configured to feed back the output voltage of the voltage output module to the quantum voltage reference module, so as to compare the output voltage with the quantum voltage standard signal.

[0057] Preferably, the voltage feedback module 105 comprises a voltage dividing circuit and a first voltage follower circuit, wherein

[0058] the voltage dividing circuit is connected to the voltage output module, and configured to convert the direct current voltage output by the voltage output module into a voltage corresponding to the quantum voltage standard signal in proportion;

[0059] the first voltage follower circuit is connected to the voltage dividing circuit, and configured to keep the voltage at the output end of the voltage feedback module consistent with the quantum voltage standard signal.

[0060] Preferably, the current feedback module 106 is connected to the quantum voltage reference module and the current output module respectively, and configured to feed back the output current of the current output module to the quantum voltage reference module, so as to compare the output current with the quantum voltage standard signal.

[0061] Preferably, the current feedback module 106 comprises a current comparator and a second voltage follower circuit, wherein

[0062] the current comparator is connected to the current output module, and configured to convert the direct current output by the current output module into a voltage corresponding to the quantum voltage standard signal in proportion through I / V conversion;

[0063] the second voltage follower circuit is connected to the current comparator, and configured to keep the voltage at the output end of the current comparator consistent with the quantum voltage standard signal.

[0064] Preferably, the first power amplifier module 107 is connected with the voltage feedback module, for amplifying the quantum voltage standard signal into a direct current voltage signal corresponding to the selected standard power and transmitting to the voltage output module.

[0065] Preferably, the second power amplifier module 108 is connected with the current feedback module, for amplifying the quantum voltage standard signal into a direct current signal corresponding to the selected standard power and transmitting to the current output module.

[0066] Preferably, the time-frequency reference module 109 is used for generating a frequency reference signal based on the second control instruction.

[0067] Preferably, the time-frequency reference module 109 adopts cesium atomic clock.

[0068] Preferably, the electric energy pulse processing module 110 is connected with the time-frequency reference module, for outputting a standard electric energy pulse signal based on the frequency reference signal.

[0069] In combination Figure 2 As shown in the figure, in the present application, the direct current electric energy standard source comprises: a quantum voltage reference module, for generating a quantum voltage standard signal with an accuracy level of 10 -8 As shown in the figure, in the present application, the direct current electric energy standard source comprises: a quantum voltage reference module, for generating a quantum voltage standard signal with an accuracy level of 10

[0070] In the present application, the voltage feedback module is used for keeping the voltage at the output end consistent with the quantum voltage standard signal.

[0071] The voltage feedback module comprises a voltage dividing circuit and a first voltage follower circuit, the voltage dividing circuit is configured to proportionally convert the DC voltage output by the voltage output module into a voltage corresponding to the quantum voltage standard signal.

[0072] The current feedback module comprises a current comparator and a second voltage follower circuit, the current comparator is configured to proportionally convert the DC current output by the current output module into a voltage corresponding to the quantum voltage standard signal via I / V conversion, and the second voltage follower circuit is configured to keep the voltage at the output end of the current comparator consistent with the quantum voltage standard signal.

[0073] As shown in Figure 3 , it is a circuit schematic diagram of the voltage feedback module and the first power amplifier module, showing the quantum voltage standard signal V ref generated by the quantum voltage reference module. Figure 3 The voltage feedback module shown in ref comprises a voltage dividing circuit and a first voltage follower circuit, the voltage dividing circuit is configured to proportionally convert the DC voltage output by the voltage output module into a voltage corresponding to the quantum voltage standard signal V ref , and the first voltage follower circuit is configured to keep the voltage at the output end of the voltage feedback module consistent with the quantum voltage standard signal V ref ; the first power amplifier module comprises a first power amplifier (AMP) configured to amplify the quantum voltage standard signal V x into a DC voltage signal corresponding to the selected standard power. Specifically, the voltage dividing circuit can adopt the voltage dividing structure shown in Figure 3 , resistors R x and R0 constitute a voltage divider with a nominal voltage dividing ratio of (R ref +R0) / R0. As shown in Figure 3 , the first voltage follower circuit comprises an integral circuit composed of an operational amplifier A1, a capacitor C1, resistors R1 and R2, and a voltage follower B1 connected to the output end of the voltage dividing circuit. According to the basic principle of integral circuit, the voltage follower circuit shown in Figure 3 can keep the voltage at the output end of the voltage feedback module consistent with the quantum voltage standard signal at all times, thereby ensuring the voltage output accuracy of the DC power standard source.

[0074] As shown in Figure 4 , it shows a circuit schematic diagram of the current feedback module and the second power amplifier module. Figure 4 The quantum voltage standard signal V ref generated by the quantum voltage reference module is also shown. Figure 4 The current feedback module shown in ref comprises a current comparator and a second voltage follower circuit, the current comparator is configured to proportionally convert the DC current output by the current output module into a voltage corresponding to the quantum voltage standard signal V refThe second voltage follower circuit is used to make the voltage at the output end of the current comparator consistent with the quantum voltage standard signal V ref The second power amplifier (AMP) is used to amplify the quantum voltage standard signal V ref to the direct current signal corresponding to the selected standard power. As shown in Figure 4 The second voltage follower circuit includes an integral circuit composed of operational amplifier A2, capacitor C2, resistor R3 and R4, and voltage follower B2 connected to the output end of the current comparator. According to the basic principle of the integral circuit, the voltage follower circuit shown in Figure 3 can make the voltage at the output end of the current feedback module consistent with the quantum voltage standard signal at all times, thereby ensuring the current output accuracy of the direct current energy standard source.

[0075] The quantum voltage-based direct current energy standard source of the present application adopts a quantum voltage standard with an accuracy level of 10 -8 as the reference for voltage output and current output, which can greatly improve the voltage output and current output accuracy of the direct current energy standard source, and the power accuracy of the direct current energy standard source can reach the level of 10 -6 .

[0076] In the present application, the direct current energy standard source adopts a cesium atomic clock as the time-frequency reference, with a frequency accuracy level of 10 -16 . Since the cesium atomic clock has superior frequency accuracy and long-term frequency stability, and is basically drift-free, it can ensure the frequency accuracy of the energy pulse output. Alternatively, the direct current energy standard source can adopt a rubidium atomic clock as the time-frequency reference, which has a frequency accuracy level comparable to that of the cesium atomic clock, and can also ensure the frequency accuracy of the energy pulse output.

[0077] Figure 5 A flowchart of the signal generation method 500 of the quantum voltage-based direct current energy standard source device according to an embodiment of the present application. As shown in Figure 5 , the signal generation method 500 of the quantum voltage-based direct current energy standard source device provided by the embodiment of the present application, starting from step 501, in step 501, the master control module outputs a first control instruction to the quantum voltage reference module to control the quantum voltage reference module to generate a quantum voltage standard signal; and outputs a second control instruction to the time-frequency reference module to control the time-frequency reference module to generate a frequency reference signal.

[0078] In step 502, the quantum voltage standard signal is amplified into a direct current voltage signal corresponding to the selected standard power by the voltage feedback module and the first power amplifier module, and is amplified into a direct current signal corresponding to the selected standard power by the current feedback module and the second power amplifier module.

[0079] In step 503, the direct current voltage signal and the direct current signal of the selected gear are output by the voltage output module and the current output module.

[0080] In step 504, the electric energy pulse processing module outputs a standard electric energy pulse signal based on the frequency reference signal.

[0081] Preferably, the quantum voltage standard signal has an accuracy level of 10 -8 .

[0082] Preferably, the voltage feedback module comprises a voltage dividing circuit and a first voltage follower circuit,

[0083] The direct current voltage output by the voltage output module is converted into a voltage corresponding to the quantum voltage standard signal by the voltage dividing circuit;

[0084] The voltage at the output end of the voltage feedback module is kept consistent with the quantum voltage standard signal by the first voltage follower circuit.

[0085] Preferably, the current feedback module comprises a current comparator and a second voltage follower circuit,

[0086] The direct current output by the current output module is converted into a voltage corresponding to the quantum voltage standard signal by the current comparator;

[0087] The voltage at the output end of the current comparator is kept consistent with the quantum voltage standard signal by the second voltage follower circuit.

[0088] Preferably, the time-frequency reference module adopts a cesium atomic clock.

[0089] Specifically, in the present application, the method for generating a standard signal comprises the following steps:

[0090] S1, setting the direct current voltage and the direct current corresponding to the selected standard power by the master control module;

[0091] S2, controlling the quantum voltage reference module to generate a quantum voltage standard signal with an accuracy level of 10-8 by the master control module, and controlling the time-frequency reference to generate a frequency reference signal;

[0092] S3, through the voltage feedback module and the first power amplifier module to ensure that the quantum voltage standard signal is amplified as the direct current voltage signal corresponding to the selected gear standard power, and through the current feedback module and the second power amplifier module to ensure that the quantum voltage standard signal is amplified as the direct current current signal corresponding to the selected gear standard power;

[0093] S4, through the voltage output module and the current output module to output the direct current voltage signal and the direct current current signal of the selected gear, and through the main control module to control the electric energy pulse processing module to output the standard electric energy pulse.

[0094] The signal generation method 500 of the quantum voltage based direct current electric energy standard source device of the embodiment of the present application corresponds to the quantum voltage based direct current electric energy standard source device 100 of another embodiment of the present application, which will not be described here.

[0095] The present application has been described by reference to a few embodiments. However, other embodiments, which are within the scope of the present application are equally possible as indicated by the scope of the appended claims.

[0096] Generally, all terms used in the present application are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a / an / the [device, component, etc]" are to be interpreted openly as referring to at least one instance of said device, component, etc., unless explicitly stated otherwise. The steps of any methods disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.

[0097] Those skilled in the art will appreciate that embodiments of the present application can be readily used as a method, a system, or a computer program product. Accordingly, the present application can take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects all generally referred to herein as a "circuit" or "module". Furthermore, the present application can take the form of a computer program product on a data storage medium having computer-readable program code embodied in the medium.

[0098] The computer program instructions can also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide processes for implementing the functions / acts specified in the flowchart and / or block diagram block or blocks. Figure 1 The computer program instructions can also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide processes for implementing the functions / acts specified in the flowchart and / or block diagram block or blocks.Figure 1 means for performing the function specified in the block or blocks.

[0099] These computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture including instructions which implement the flow Figure 1 flow or flows and / or blocks Figure 1 means for performing the function specified in the block or blocks.

[0100] These computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the flow Figure 1 flow or flows and / or blocks Figure 1 steps of means for performing the function specified in the block or blocks.

[0101] Finally, it should be noted that the above-mentioned embodiments are merely intended to illustrate the technical solutions of the present application, rather than limit the same. Although the present application has been described in detail with reference to the above-mentioned embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and any modification or replacement without departing from the spirit and scope of the present application should be covered within the protection scope of the present application.

Claims

1. A quantum voltage based direct current electrical energy standard source apparatus, characterized by, The device comprises a master module, a quantum voltage reference module, a voltage output module, a current output module, a voltage feedback module, a current feedback module, a first power amplifier module, a second power amplifier module, a time-frequency reference module and an electric energy pulse processing module, all of which are connected to the master module; wherein, The master module is configured to output a first control instruction to the quantum voltage reference module and a second control instruction to the time-frequency reference module; The quantum voltage reference module is configured to generate a quantum voltage standard signal according to the first control instruction; The voltage output module is configured to output a direct current voltage signal corresponding to the standard power of a selected gear; The current output module is configured to output a direct current signal corresponding to the standard power of a selected gear; The voltage feedback module is connected to the quantum voltage reference module and the voltage output module, and is configured to feed back the output voltage of the voltage output module to the quantum voltage reference module to compare the output voltage with the quantum voltage standard signal; The current feedback module is connected to the quantum voltage reference module and the current output module, and is configured to feed back the output current of the current output module to the quantum voltage reference module to compare the output current with the quantum voltage standard signal; The first power amplifier module is connected to the voltage feedback module, and is configured to amplify the quantum voltage standard signal to a direct current voltage signal corresponding to the standard power of a selected gear and transmit the signal to the voltage output module; The second power amplifier module is connected to the current feedback module, and is configured to amplify the quantum voltage standard signal to a direct current signal corresponding to the standard power of a selected gear and transmit the signal to the current output module; The time-frequency reference module is configured to generate a frequency reference signal based on the second control instruction; The electric energy pulse processing module is connected to the time-frequency reference module, and is configured to output a standard electric energy pulse signal based on the frequency reference signal.

2. The apparatus of claim 1, wherein, The quantum voltage standard signal has an accuracy of the order of 10 -8 -10-9.

3. The apparatus of claim 1, wherein, The voltage feedback module comprises a voltage dividing circuit and a first voltage follower circuit; wherein, The voltage dividing circuit is connected to the voltage output module, and is configured to convert the direct current voltage output by the voltage output module into a voltage corresponding to the quantum voltage standard signal in proportion; The first voltage follower circuit is connected to the voltage dividing circuit, and is configured to keep the voltage at the output end of the voltage feedback module consistent with the quantum voltage standard signal.

4. The apparatus of claim 1, wherein, The current feedback module comprises a current comparator and a second voltage follower circuit; wherein, The current comparator is connected to the current output module, and is configured to convert the direct current output by the current output module into a voltage corresponding to the quantum voltage standard signal in proportion; The second voltage follower circuit is connected to the current comparator, and is configured to keep the voltage at the output end of the current comparator consistent with the quantum voltage standard signal.

5. The apparatus of claim 1, wherein, The time-frequency reference module adopts a cesium atomic clock.

6. A signal generating method for a quantum voltage based DC electrical energy standard source apparatus according to any one of claims 1 to 5, characterized by, The method comprises: The master module outputs a first control instruction to the quantum voltage reference module to control the quantum voltage reference module to generate a quantum voltage standard signal; and outputs a second control instruction to the time-frequency reference module to control the time-frequency reference module to generate a frequency reference signal; The quantum voltage standard signal is amplified into a direct current voltage signal corresponding to a standard power of a selected gear through the voltage feedback module and the first power amplifier module, and the quantum voltage standard signal is amplified into a direct current current signal corresponding to the standard power of the selected gear through the current feedback module and the second power amplifier module; The direct current voltage signal and the direct current current signal of the selected gear are output through the voltage output module and the current output module; The power pulse processing module outputs a standard power pulse signal based on the frequency reference signal.

7. The method of claim 6, wherein, The quantum voltage standard signal has an accuracy of the order of 10 -8 -10 8. The method of claim 6, wherein, The voltage feedback module comprises a voltage dividing circuit and a first voltage follower circuit, The direct current voltage output by the voltage output module is proportionally converted into a voltage corresponding to the quantum voltage standard signal through the voltage dividing circuit; The voltage at the output end of the voltage feedback module is kept consistent with the quantum voltage standard signal through the first voltage follower circuit.

9. The method of claim 6, wherein, The current feedback module comprises a current comparator and a second voltage follower circuit, The direct current current output by the current output module is proportionally converted into a voltage corresponding to the quantum voltage standard signal through the current comparator; The voltage at the output end of the current comparator is kept consistent with the quantum voltage standard signal through the second voltage follower circuit.

10. The method of claim 6, wherein, The time-frequency reference module adopts a cesium atomic clock.

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