CN222014775U - Quantum bit control board card integrated device and quantum computing measurement and control system - Google Patents

Abstract

The application discloses a quantum bit control board card integrated device and a quantum computing measurement and control system, wherein the quantum bit control board card integrated device comprises a back plate, a routing board card and a plurality of functional board cards, wherein the routing board card and the functional board cards are arranged perpendicular to the back plate; the routing board cards are detachably fixed at a first position of the backboard, and the functional board cards are detachably fixed at a second position of the backboard; the first position is the central position of the backboard, and the second position is other positions which are sequentially arranged along the two sides of the first position; and signal transmission lines are uniformly distributed between the first position and each second position on the backboard, and a plurality of functional board cards are electrically connected with the routing board card through the signal transmission lines. The routing board card and the functional board card are integrated together reliably.

Description

Quantum bit control board card integrated device and quantum computing measurement and control system

Technical Field

The utility model relates to the technical field of quantum computers, in particular to a quantum bit control board card integrated device and a quantum computing measurement and control system.

Background

The quantum chip is a core component for running quantum computation, a plurality of quantum bits are integrated on the quantum chip, a special quantum control system is required to be built in order to ensure the normal work of the quantum bits, a plurality of functional boards are arranged in the quantum control system, and various control signals (such as a frequency control signal, a quantum state control signal and a measurement control signal) are provided for the quantum chip; the function board cards are connected with the central control module, and the task parameters of quantum computation are received through the central control module and forwarded to each function board card for controlling the operation of each function board card; in order to facilitate the electrical connection between the functional boards and the central control module, the functional boards are generally integrated in a box, and each functional board is electrically connected with the central control module through a routing board, so that the number of boards is increased as the number of quantum bits integrated on the quantum chip is increased, and therefore, how to layout the boards to enable the boards to be integrated together reliably and compactly becomes very important.

It should be noted that the information disclosed in the background section of the present application is only for enhancement of understanding of the general background of the present application and should not be taken as an admission or any form of suggestion that this information forms the prior art already known to those skilled in the art.

Disclosure of utility model

The utility model aims at: the integrated device for the quantum bit control board card and the quantum computation measurement and control system are provided, so that a plurality of board cards are integrated reliably and compactly.

In order to achieve the above object, the present utility model provides the following technical solutions:

The utility model provides a quantum bit control board card integrated device, which comprises a back board, a routing board card and a plurality of functional board cards, wherein the routing board card and the functional board cards are arranged perpendicular to the back board; the routing board cards are detachably fixed at a first position of the backboard, and the functional board cards are detachably fixed at a second position of the backboard; the first position is the central position of the backboard, and the second position is other positions which are sequentially arranged along the two sides of the first position; and signal transmission lines are uniformly distributed between the first position and each second position on the backboard, and a plurality of functional board cards are electrically connected with the routing board card through the signal transmission lines.

The quantum bit control board card integrated device further comprises a plurality of functional board cards, a plurality of frequency control board cards and a plurality of measurement board cards, wherein the plurality of functional board cards comprise a plurality of quantum state control board cards, a plurality of frequency control board cards and a plurality of measurement board cards; the quantum state regulation board card is used for providing a quantum state control signal for the quantum bit; the frequency regulation board card is used for providing a frequency control signal for the quantum bit; the measuring board card is used for providing a measuring reading signal for the quantum bit.

The quantum bit control board card integrated device further comprises a plurality of first arrangement areas for detachably fixing the quantum state control board card, a plurality of second arrangement areas for detachably fixing the frequency control board card and a plurality of third arrangement areas for detachably fixing the measurement board card; a plurality of the first arrangement areas are arranged next to each other and/or symmetrically about a first position; a plurality of the second arrangement areas are arranged next to each other and/or symmetrically about the first position; a number of said third arrangement areas are arranged next to each other and/or symmetrically about the first position.

The qubit control board integrated device further comprises a first transmission line with equal length arranged between the first position and each first arrangement area; the quantum state regulation board card is electrically connected with the routing board card through the first transmission line; second transmission lines with equal lengths are arranged between the first positions and the second arrangement areas; the frequency regulation board card is electrically connected with the routing board card through a second transmission line; third transmission lines with equal lengths are arranged between the first position and each third arrangement area; the measuring board card is electrically connected with the routing board card through a third transmission line.

The quantum bit control board card integrated device further comprises a multi-layer PCB board, wherein the first transmission line, the second transmission line and the third transmission line are respectively arranged on different layers of the multi-layer PCB board.

The qubit control board integrated device is characterized in that the first signal connector and the second signal connector which are electrically connected through the signal transmission line are arranged on the backboard; the functional board card is provided with a third signal connector which is electrically connected with the first signal connector; and a fourth signal connector electrically connected with the second signal connector is arranged on the routing board card.

The quantum bit control board card integrated device is characterized in that the functional board card and the routing board card are provided with the fixing sleeve, and the backboard is provided with the locating pin matched with the fixing sleeve.

The quantum bit control board card integrated device further comprises a box body with an opening at one side; the box body is internally provided with a first insertion groove and a plurality of second insertion grooves which are arranged in pairs; the first insertion grooves are arranged in pairs and used for supporting the routing board card, and the second insertion grooves are arranged in pairs and used for supporting the functional board card; the back plate is disposed at an end of the first and second insertion grooves remote from the opening.

The quantum bit control board card integrated device is further characterized in that a first heat conducting piece is arranged on the outer wall of the routing board card, and the first heat conducting piece is contacted with the groove wall of the first insertion groove; and/or the outer wall of the functional board card is provided with a second heat conduction piece, and the second heat conduction piece is contacted with the groove wall of the second insertion groove.

The utility model further provides a quantum computing measurement and control system, which comprises the quantum bit control board card integrated device and a central control module, wherein the central control module controls the quantum bit control board card integrated device to output a driving signal for a quantum chip.

The utility model has the beneficial effects that:

According to the application, one surface of the routing board card is detachably fixed at the first position of the backboard, one surface of each functional board card is detachably fixed at the second position of the backboard, so that the routing board card and the functional board cards are reliably integrated together, and meanwhile, through uniformly distributing signal transmission lines between the first position and each second position, the electrical connection between the routing board card and a plurality of functional board cards through the signal transmission lines is ensured; because routing integrated circuit board and a plurality of function integrated circuit board are perpendicular to the backplate and are arranged, simultaneously, the first position is the central position of backplate, and the second position is along the other positions that the both sides of first position are arranged in proper order for the integrated ground of integrated circuit board is compacter, also is convenient for arrange the signal transmission line between connection routing integrated circuit board and each function integrated circuit board, realizes the reliable electricity connection between routing integrated circuit board and the function integrated circuit board.

The quantum computing measurement and control system provided by the utility model comprises the quantum bit control board card integrated device, so that the quantum bit control board card integrated device has the same beneficial effects and is not repeated herein.

Drawings

Fig. 1 is a schematic structural diagram of a qubit control board integrated device according to an embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of a back plate according to an embodiment of the present utility model;

Fig. 3 is a schematic structural diagram of a functional board card according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a routing board card according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a case according to an embodiment of the present utility model;

FIG. 6 is a rear view of a case provided by an embodiment of the present utility model;

fig. 7 is a schematic structural view of an inner support plate according to an embodiment of the present utility model;

fig. 8 is a schematic structural view of a second side plate according to an embodiment of the present utility model;

In the reference numerals:

100. A back plate; 101. a first position; 102. a first arrangement region; 103. a second arrangement region; 104. a third arrangement region; 105. a positioning pin; 106. a first signal connector; 107. a second signal connector; 200. a routing board card; 201. a fourth signal connector; 300. a functional board card; 301. a third signal connector; 400. a pull-out aid; 500. a first heat conductive member; 600. a second heat conductive member; 700. a fixed sleeve;

10. A top plate; 11. a first groove; 20. a bottom plate; 30. a first side plate; 40. a heat radiation fan; 50. a second side plate; 51. a third groove; 52. an air inlet; 60. an inner support plate; 61. a first insertion groove; 62. a heat sink; 63. a second insertion groove; 70. a fifth cover plate; 71. a fourth groove; 80. a support pad; 90. a handle.

Detailed Description

In order to make the technical solution of the present application better understood by those skilled in the art, the technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Fig. 1 is a schematic structural diagram of a qubit control board integrated device according to an embodiment of the present utility model, where the schematic structural diagram is shown in fig. 1: the embodiment of the utility model discloses a quantum bit control board card integrated device, which comprises a back board 100, a routing board card 200 and a plurality of functional board cards 300, wherein the routing board card 200 and the functional board cards 300 are arranged perpendicular to the back board 100; the routing board 200 is detachably fixed at a first position 101 of the back board 100, and each functional board 300 is detachably fixed at a second position of the back board 100; the first position 101 is a central position of the back plate 100, and the second position is other positions sequentially arranged along two sides of the first position 101; signal transmission lines are uniformly distributed between the first position 101 and each second position on the back plate 100, and a plurality of functional board cards 300 are electrically connected with the routing board card 200 through the signal transmission lines.

In the application, the routing board card 200 is detachably fixed at the first position 101 of the backboard 100, and each functional board card 300 is detachably fixed at the second position of the backboard 100, so that the routing board card 200 and the functional board cards 300 are reliably integrated together, and meanwhile, by uniformly distributing signal transmission lines between the first position 101 and each second position, the routing board card 200 and a plurality of functional board cards 300 are ensured to be electrically connected through the signal transmission lines; because the routing board 200 and the plurality of functional boards 300 are arranged perpendicular to the back board 100, and meanwhile, the first position 101 is the central position of the back board 100, and the second position is along the other positions of the two sides of the first position 101, which enable the board to be integrated more compactly, and also facilitate the arrangement of signal transmission lines connecting the routing board 200 and the functional boards 300, and reliable electrical connection between the routing board 200 and the functional boards 300 is realized.

Further, the routing board 200 and the functional board 300 are provided with signal connectors electrically connected with external devices on the surface far away from the back plate 100; because the signal connectors electrically connected with the external devices are arranged on the surfaces of the routing board card 200 and the functional board card 300, which are far away from the backboard 100, the routing board card 200 and the functional board card 300 are convenient to electrically connect with the external devices.

In actual application, signal data output by the central control module is forwarded to each functional board 300 through the routing board 200, and the functional board 300 outputs control signals to a quantum chip in the quantum computer to realize quantum bit regulation and measurement operation on the quantum chip; meanwhile, the returned data of the functional board 300 is also forwarded to the server through the routing board 200 for data processing.

Fig. 3 is a schematic structural diagram of a functional board 300 according to an embodiment of the present utility model; further, in some implementations of the present example, as shown in fig. 3: the functional board card 300 includes: the first PCB is integrated with a quantum signal processing circuit, and the quantum signal processing circuit is composed of a plurality of electronic elements and is used for generating driving signals required by a quantum processor; the first cover plate is covered on one surface of the first PCB, on which the electronic element is integrated; and the second cover plate is covered on the other surface of the first PCB.

Through setting up first apron and second apron, the lid is located the two sides of first PCB board respectively, has not only avoided the interference of external signal to the electronic component on the first PCB board, has improved the precision of final output signal, moreover, can also prevent that first PCB board from taking place to warp when using, has strengthened overall structure's intensity.

Specifically, the electronic component in the first PCB board includes a data processing device and a functional device, wherein the data processing device is configured to generate a working instruction from the received signal, and the functional device is configured to perform a corresponding action for quantum ratio control based on the working instruction. Specifically, the data processing device is a device with data forwarding and processing functions, and generally, an FPGA (Field Programmable GATE ARRAY), MCU (Microcontroller Unit)), MPU (Microprocessor Unit), DSP (DIGITAL SIGNAL Processor) or the like can be selected. In this embodiment, the data processing device is preferably an FPGA, and in other embodiments, other devices having similar data processing functions may be used, which is not limited herein. It will be appreciated by those skilled in the art that in this embodiment, the function device functions to generate various signals required for control of manipulation, measurement, and reading of qubits. The device can be an ADC or a DAC, the ADC is used for acquiring information in the resonant cavity, and the DAC is used for generating a quantum state regulating signal for regulating quantum state information or generating a frequency regulating signal for regulating frequency parameters.

Fig. 4 is a schematic structural diagram of a routing board 200 according to an embodiment of the present utility model; further, in some implementations of the present example, as shown in fig. 4: the routing board 200 includes: the second PCB is integrated with a quantum signal processing circuit, and the quantum signal processing circuit is composed of a plurality of electronic elements and is used for forwarding and processing data; the third cover plate is covered on one surface of the PCB board, on which the electronic element is integrated; and the fourth cover plate is covered on the other surface of the PCB.

Through setting up third apron and fourth apron, the lid is located the two sides of second PCB board respectively, has not only avoided the interference of external signal to the electronic component on the second PCB board, has improved the precision of final output signal, moreover, can also prevent that the second PCB board from taking place to warp when using, has strengthened overall structure's intensity.

Specifically, the electronic component on the second PCB board may generally be selected from FPGA (Field Programmable GATE ARRAY), MCU (Microcontroller Unit)), MPU (Microprocessor Unit) or DSP (DIGITAL SIGNAL Processor), etc. Preferably, the electronic component on the second PCB board is a Field Programmable Gate Array (FPGA).

Further, in some implementations of the embodiments of the present application, the plurality of functional boards 300 includes a plurality of quantum state regulation boards, a plurality of frequency regulation boards, and a plurality of measurement boards; the quantum state regulation board card is used for providing a quantum state control signal for the quantum bit; the frequency regulation board card is used for providing a frequency control signal for the quantum bit; the measuring board card is used for providing a measuring reading signal for the quantum bit.

Fig. 2 is a schematic structural diagram of a back plate 100 according to an embodiment of the present utility model; further, in some implementations of embodiments of the utility model, as shown in fig. 2: the second position comprises a plurality of first arrangement areas 102 for detachably fixing the quantum state regulation board, a plurality of second arrangement areas 103 for detachably fixing the frequency regulation board and a plurality of third arrangement areas 104 for detachably fixing the measurement board; a number of said first arrangement areas 102 are arranged immediately adjacent and/or symmetrically about the first location 101; a number of said second arrangement areas 103 are arranged immediately adjacent and/or symmetrically about the first location 101; a number of said third arrangement areas 104 are arranged next to each other and/or symmetrically about the first location 101.

With the above arrangement, the same board in the functional board card 300 is arranged adjacently or symmetrically with respect to the routing board card 200, thus facilitating wiring. Illustratively, the back plate 100 in fig. 2 includes a first location 101,6 for detachably fixing the routing board 200, and 102,6 first arrangement regions 102 for detachably fixing the quantum state regulation board are symmetrically arranged about the first location 101; the 6 second arrangement areas 103,6 used for detachably fixing the frequency regulation board are symmetrically arranged about the first position 101; the 2 third arrangement areas 104,2 for detachably fixing the measuring board are symmetrically arranged with respect to the first position 101.

Further, in some implementations of the embodiments of the present application, first transmission lines having equal lengths are disposed between the first location 101 and each of the first disposition areas 102; the quantum state regulation board card is electrically connected with the routing board card 200 through the first transmission line; second transmission lines with equal lengths are arranged between the first position 101 and each second arrangement area 103; the frequency regulation board card is electrically connected with the routing board card 200 through a second transmission line; third transmission lines with equal lengths are arranged between the first position 101 and each third arrangement area 104; the measurement board is electrically connected to the routing board 200 through a third transmission line.

Through the above arrangement, the lengths of the transmission lines from the same type of functional board card 300 to the routing module are equal, so that the signal data of the routing board card 200 can be effectively ensured to be synchronously transmitted to the same type of functional board card 300, thereby realizing synchronous triggering and improving the accuracy of the execution result of the quantum computing task.

Further, in some implementations of the embodiments of the present application, the back plate 100 is a multi-layer PCB board, and the first transmission line, the second transmission line, and the third transmission line are respectively disposed on different layers of the multi-layer PCB board. Through distributing first transmission line, second transmission line and third transmission line on the different layers of multilayer PCB board, avoided the mutual interference between the signal, guaranteed signal transmission precision, simultaneously, also improved the integrated level of backplate 100 to improve the integrated level of quantum bit control integrated device of board card. Further, in some implementations of this embodiment, a plurality of first ground holes are uniformly spaced around the first transmission line, a plurality of second ground holes are uniformly spaced around the second transmission line, and a plurality of third ground holes are uniformly spaced around the third transmission line; through arranging a plurality of first ground holes, second ground holes and third ground holes, the first transmission line, the second transmission line and the third transmission line are subjected to ground covering, interference of other signal lines is reduced, signal loss is reduced, and signal quality is improved. Further, in some implementations of this example, a spacing between adjacent ones of the first ground holes is less than λ/10, a spacing between adjacent ones of the second ground holes is less than λ/10, and a spacing between adjacent ones of the third ground holes is less than λ/10; where λ is the wavelength of the signal transmitted on the transmission line, which further improves the signal quality.

Further, in some implementations of the embodiments of the present application, the backplane 100 is provided with a first signal connector 106 and a second signal connector 107 electrically connected by the signal transmission line; the functional board 300 is provided with a third signal connector 301 electrically connected with the first signal connector 106; the routing board 200 is provided with a fourth signal connector 201 electrically connected to the second signal connector 107. By providing the first signal connector 106, the second signal connector 107, the third signal connector 301, and the fourth signal connector 201, electrical connection between the routing board card 200 and the functional board card 300 is achieved. Preferably, the first signal connector 106, the second signal connector 107, the third signal connector 301 and the fourth signal connector 201 are all VPX connectors.

Further, in some implementations of the embodiments of the present application, as shown in fig. 2, 3 and 4, the functional board 300 and the routing board 200 are provided with a fixing sleeve 700, and the back board 100 is provided with a positioning pin 105 matched with the fixing sleeve 700. By the cooperation of the fixing sleeve 700 and the positioning pin 105, the routing board card 200 and the functional board card 300 are detachably fixed on the backboard 100. Preferably, the outer wall of the positioning pin 105 is provided with a limit groove along the length direction thereof, and the inner wall of the fixed sleeve 700 is provided with a limit block matched with the limit groove; by providing the limiting groove and the limiting block, the insertion depth of the positioning pin 105 can be limited, so that the fixing sleeve 700 and the positioning pin 105 are matched more reliably. In addition, in the design of the fixing sleeve 700 of the present application, the size or shape of the limiting block in the fixing sleeve 700 may be set to be different according to the different functional board 300 and the routing board 200, and meanwhile, the limiting groove on the positioning pin 105 is correspondingly changed, so as to avoid the installation error of the board.

Further, in some implementations of the embodiments of the present application, the qubit manipulation board card integrated device further includes a power board for supplying power to other boards, and the power board is also disposed perpendicular to the back board 100 and electrically connected to the other boards through the back board 100.

Fig. 5 is a schematic structural diagram of a case according to an embodiment of the present utility model; in some implementations of the present embodiment, as shown in fig. 5, the qubit manipulation board integrated device further includes a box with an opening at one side, where a first insertion slot 61 and a plurality of second insertion slots 63 arranged in pairs are provided in the box; the first insertion grooves 61 arranged in pairs are used for supporting the routing board card 200, and the second insertion grooves 63 arranged in pairs are used for supporting the functional board card 300; the back plate 100 is disposed at one end of the first and second insertion grooves 61 and 63 away from the opening. Through setting up the box for integrated more reliable of integrated board card.

In some implementations of the present embodiment, as shown in fig. 3 and 4, the outer wall of the routing board 200 is provided with a first heat conducting member 500, and the first heat conducting member 500 contacts with the groove wall of the first insertion groove 61; and/or, the outer wall of the functional board 300 is provided with a second heat conducting member 600, and the second heat conducting member 600 contacts with the groove wall of the second insertion groove 63.

Through setting up first heat-conducting piece 500, be convenient for with the heat conduction of route integrated circuit board 200 to the box, then go out through the box conduction, through setting up second heat-conducting piece 600, be convenient for with the heat conduction of function integrated circuit board 300 to the box, then go out through the box conduction, play radiating effect, avoid heat to influence the working property of integrated circuit board.

The specific structure of the case is further described below:

Specifically, as shown in fig. 5, the box is composed of a top plate 10, a bottom plate 20 and a plurality of side plates, the top plate 10, the bottom plate 20 and the plurality of side plates enclose to form a box with one side open, the plurality of side plates include a first side plate 30 oppositely arranged with the opening and two support side plates located between the top plate 10 and the bottom plate 20, the two support side plates are parallel and oppositely arranged, and the support side plates are provided with a first insertion groove 61 and a second insertion groove 63.

FIG. 6 is a rear view of a case provided by an embodiment of the present utility model; further, as shown in fig. 6, in some implementations of the embodiment of the utility model, the first side board 30 is provided with a cooling fan 40. By providing the heat radiation fan 40, the heat radiation effect is achieved, and meanwhile, the heat radiation fan 40 is arranged on the first side plate 30, so that air circulation is smoother, and the heat radiation effect is further improved.

Continuing as shown in fig. 6: in some implementations of the embodiments of the present utility model, the heat dissipation fans 40 are provided in a plurality and are arranged in an array on the first side plate 30. By providing a plurality of heat radiation fans 40, the heat radiation effect is improved. Illustratively, 6 heat dissipating fans 40 are provided, and the heat dissipating fans 40 are arranged in an array on the first side plate 30 in a specific arrangement: the heat radiation fans 40 are arranged on the first side plate 30 in 3 rows and 2 columns.

Continuing as shown in fig. 5: in some implementations of the embodiment of the present utility model, the outer side surface of the top plate 10 is provided with a plurality of first grooves 11; or, the outer side surface of the bottom plate 20 is provided with a plurality of second grooves. By arranging a plurality of first grooves 11 and second grooves on the outer side surface of the top plate 10, the heat dissipation area is increased, and therefore the heat dissipation effect is enhanced.

Continuing as shown in fig. 5: in some implementations of the present embodiment, both of the support side plates include an inner support plate 60, a second side plate 50, and a fifth cover plate 70; wherein the inner support plate 60 is parallel to the second side plate 50 and is located inside the second side plate 50; the fifth cover plate 70 is covered on the end surfaces of the second side plate 50 and the inner support plate 60, which are far away from the first side plate 30; the first insertion groove 61 and the second insertion groove 63 are provided on the inner side surface of the inner support plate 60.

The supporting side plate is provided with the inner supporting plate 60, the second side plate 50 and the fifth cover plate 70, so that the strength of the supporting side plate is ensured, the inner supporting plate 60 is ensured not to deform in the process of inserting and extracting the functional board 300, and the difficulty of inserting and extracting the functional board 300 is reduced.

Specifically, the inner support plate 60, the second side plate 50 and the fifth cover plate 70 of the support side plates are mounted as follows:

The second side plate 50 is mounted as follows: the upper end surface of the second side plate 50 is fixed on the top plate 10 by a screw, the lower end surface of the second side plate 50 is fixed on the bottom plate 20 by a screw, the rear end surface of the second side plate 50 is fixed on the first side plate 30 by a screw, and the front end surface of the second side plate 50 is fixed on the fifth cover plate 70 by a screw.

The inner support plate 60 is mounted as follows: the upper end surface of the inner support plate 60 is fixed to the top plate 10 by screws, and the lower end surface of the inner support plate 60 is fixed to the bottom plate 20 by screws. The front end surface of the inner support plate 60 is fixed to the fifth cover plate 70 by screws.

The fifth cover plate 70 is mounted as follows: the upper end surface of the fifth cover plate 70 is fixed on the top plate 10 by a screw, the lower end surface of the fifth cover plate 70 is fixed on the bottom plate 20 by a screw, the left end surface of the fifth cover plate 70 is fixed on the second side plate 50 by a screw, and the right end surface of the fifth cover plate 70 is fixed on the inner support plate 60 by a screw.

Of course, the above screw fixing manner may be changed to a welding manner according to the specific installation convenience.

Fig. 7 is a schematic structural view of an inner support plate 60 according to an embodiment of the present utility model; further, as shown in fig. 5 and 7: in some implementations of the present embodiments, the specific arrangement of the first insertion groove 61 and the second insertion groove 63 is as follows: the first insertion groove 61 and the second insertion groove 63 are uniformly spaced apart from each other in the height direction of the inner support plate 60, and in actual arrangement, the insertion grooves may be directly formed in the inner support plate 60, or the plurality of limiting plates may be vertically spaced apart from each other in the inner support plate 60, with an insertion groove formed between two adjacent limiting plates.

As further shown in fig. 7, in some implementations of the present application, the outer side of the inner support plate 60 is provided with a plurality of fins 62 arranged in an array.

By providing the heat sink 62, the heat dissipation effect is further enhanced. Specifically, the heat sink 62 is an elongated thermally conductive metal strip, and the cross-section of the heat sink 62 includes, but is not limited to, rectangular and S-shaped. Illustratively, the heat sink 62 is a heat conductive metal strip having a rectangular cross section, and the length direction of the heat sink 62 is parallel to the slot length direction of the first insertion slot 61, and a plurality of heat sinks are arranged in an array along the height direction of the inner support plate 60.

Fig. 8 is a schematic structural view of a second side plate 50 according to an embodiment of the present utility model; as shown in fig. 8: in some embodiments of the present utility model, the second side plate 50 is provided with an air inlet 52.

By providing the air inlet 52 on the second side plate 50, convection is formed, so that the air circulation capacity in the box body is increased, and the overall heat dissipation performance is improved. In addition, the air inlet 52 is arranged on the second side plate 50 instead of the inner support plate 60, and the shielding and dust-proof effects are improved.

Specifically, the air inlet 52 may be arranged in two ways, the first way is as follows: a plurality of air inlets 52 can be directly formed on the second side plate 50; secondly, a mounting opening is formed in the second side plate 50, a plurality of air inlets 52 are formed in the air inlet plate, and then the air inlet plate is detachably mounted at the mounting opening of the second side plate 50 through screws; thus, the cleaning and maintenance are convenient, the performance of the equipment is improved, and the service life of the equipment is prolonged.

Further, as further shown in fig. 5 and 8: in some implementations of the embodiment of the present application, the outer side surfaces of the second side plates 50 are provided with a plurality of third grooves 51; or, a surface of the fifth cover plate 70 away from the second side plate 50 is provided with a plurality of fourth grooves 71.

The heat dissipation area is increased by forming a plurality of third grooves 51 on the outer side surface of the second side plate 50, so that the heat dissipation effect is enhanced; illustratively, the third grooves 51 are elongated, and a plurality of the third grooves are uniformly spaced along the length direction and/or the width direction of the second side plate 50. Preferably, in order to further improve the heat dissipation effect, the third groove 51 is specifically provided as follows: the third grooves 51 are elongated grooves having a groove length direction parallel to the groove length direction of the first insertion groove 61, and are uniformly spaced apart in the height direction of the second side plate 50.

The surface of the fifth cover plate 70, which is far away from the second side plate 50, is provided with a plurality of fourth grooves 71, so that the heat dissipation area is increased, and the heat dissipation effect is enhanced; illustratively, the fourth grooves 71 are elongated, and a plurality of the fourth grooves are uniformly spaced along the length direction and/or the width direction of the fifth cover plate 70.

Further, in some implementations of the embodiments of the present application, a plurality of support pads 80 are disposed on the bottom plate 20, and the support pads 80 are disposed around the bottom plate 20, so that a space is left between the bottom plate 20 and the placement plane when the box is placed, thereby facilitating heat dissipation. Illustratively, one support pad 80 is disposed around each periphery of the base plate 20, with a common arrangement of support pads 80.

Further, in some implementations of the present application, the second side panel 50 is provided with a handle 90 to facilitate transporting the case from one location to another.

Further, in some implementations of the embodiments of the present application, the routing board 200 and the functional board 300 are provided with a pull aid 400, so that the routing board 200 and the functional board 300 can be easily pulled out from the box.

Based on the same application conception, the embodiment of the application also provides a quantum computing measurement and control system which comprises the quantum bit control board card integrated device and a central control module, wherein the central control module controls the quantum bit control board card integrated device to output a driving signal for a quantum chip. The quantum computing measurement and control system comprises the quantum bit control board card integrated device, so that the quantum bit control board card integrated device has the same beneficial effects and is not repeated herein.

In the description of the present specification, reference to the term "some embodiments" or "examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the utility model without departing from the scope of the technical solution of the utility model, and the technical solution of the utility model is not departing from the scope of the utility model.

Claims (10)

1. The quantum bit control board card integrated device is characterized by comprising a back board, a routing board card and a plurality of functional board cards, wherein the routing board card and the functional board cards are arranged perpendicular to the back board;

The routing board cards are detachably fixed at a first position of the backboard, and the functional board cards are detachably fixed at a second position of the backboard; the first position is the central position of the backboard, and the second position is other positions which are sequentially arranged along the two sides of the first position;

And signal transmission lines are uniformly distributed between the first position and each second position on the backboard, and a plurality of functional board cards are electrically connected with the routing board card through the signal transmission lines.

2. The qubit manipulation board integrated device of claim 1, wherein the plurality of functional boards comprises a plurality of quantum state regulation boards, a plurality of frequency regulation boards, and a plurality of measurement boards;

The quantum state regulation board card is used for providing a quantum state control signal for the quantum bit; the frequency regulation board card is used for providing a frequency control signal for the quantum bit; the measuring board card is used for providing a measuring reading signal for the quantum bit.

3. The qubit manipulation card integrated device of claim 2, wherein the second location comprises a number of first placement areas for detachably securing the qubit manipulation card, a number of second placement areas for detachably securing the frequency manipulation card, and a number of third placement areas for detachably securing the measurement card;

a plurality of the first arrangement areas are arranged next to each other and/or symmetrically about a first position;

A plurality of the second arrangement areas are arranged next to each other and/or symmetrically about the first position;

a number of said third arrangement areas are arranged next to each other and/or symmetrically about the first position.

4. The qubit manipulation card integrated device of claim 3, wherein first transmission lines having equal lengths are arranged between the first positions and the first arrangement regions; the quantum state regulation board card is electrically connected with the routing board card through the first transmission line;

Second transmission lines with equal lengths are arranged between the first positions and the second arrangement areas; the frequency regulation board card is electrically connected with the routing board card through a second transmission line;

third transmission lines with equal lengths are arranged between the first position and each third arrangement area; the measuring board card is electrically connected with the routing board card through a third transmission line.

5. The qubit manipulation board card integrated device of claim 4, wherein the back plate is a multi-layer PCB board, and the first transmission line, the second transmission line, and the third transmission line are disposed on different layers of the multi-layer PCB board, respectively.

6. The qubit manipulation card integrated device of claim 1, wherein the back plate is provided with a first signal connector and a second signal connector which are electrically connected through the signal transmission line; the functional board card is provided with a third signal connector which is electrically connected with the first signal connector; and a fourth signal connector electrically connected with the second signal connector is arranged on the routing board card.

7. The qubit manipulation board card integrated device of claim 1, wherein the functional board card and the routing board card are provided with a fixing sleeve, and the backboard is provided with a positioning pin matched with the fixing sleeve.

8. The qubit manipulation card integrated device of claim 1, further comprising a box open on one side; the box body is internally provided with a first insertion groove and a plurality of second insertion grooves which are arranged in pairs;

The first insertion grooves are arranged in pairs and used for supporting the routing board card, and the second insertion grooves are arranged in pairs and used for supporting the functional board card;

The back plate is disposed at an end of the first and second insertion grooves remote from the opening.

9. The qubit manipulation board card integrated device according to claim 8, wherein a first heat conducting piece is arranged on the outer wall of the routing board card, and the first heat conducting piece is contacted with the groove wall of the first insertion groove;

And/or the outer wall of the functional board card is provided with a second heat conduction piece, and the second heat conduction piece is contacted with the groove wall of the second insertion groove.

10. A quantum computing measurement and control system, comprising a plurality of the qubit manipulation board card integrated devices of any one of claims 1-9, and a central control module that controls the qubit manipulation board card integrated devices to output driving signals for a quantum chip.