Red and black power supply special for confidential computer

Abstract

The invention relates to a special red and black power supply for a secret-related computer, and belongs to the technical field of red and black power supplies for secret-related computers. Comprising a shell, a power supply filter and a socket, the socket is located on one side of the shell, the power supply filter and the socket are connected through a wire, a first shielding body is arranged in the shell, the first shielding body wraps the power supply filter and the wire, and the first shielding body and the shell are fixedly connected through a buckle assembly; the buckle assembly comprises a clamping part and a clamping piece, the clamping part comprises a clamping piece and a spring, and the clamping piece is located at the bottom of the first shielding body; a fixing assembly is arranged at the bottom of the shell. A second shielding body is arranged at the bottom of the shell, and the first shielding body and the second shielding body are the same in structure. The special red and black power supply for the confidential computer has the remarkable advantages of preventing cross inductive coupling and electromagnetic leakage, improving the electromagnetic shielding effect, enhancing the stability and durability, improving the heat dissipation efficiency, facilitating installation and fixation and the like.

Description

Technical Field

[0001] The invention relates to a red and black power supply specially used for a confidential computer, belonging to the technical field of red and black power supplies used for confidential computers. Background Art

[0002] With the advancement of science and technology, more and more attention is paid to the confidentiality of confidential technologies. In particular, most of the work nowadays relies on computers, so it is particularly important to keep the data in the computer confidential. In order to prevent leaks, confidential computers need to use filtering and shielding technology to form a red and black power supply to suppress the leakage emission conducted by the power lines of the connected information equipment.

[0003] A Chinese patent application with application number CN202322942853.4 discloses a new type of red and black power isolation wall plug, including a wall plug panel, a power socket, a connecting column and a shielding box; the wall plug panel is fixed to the surface of the power socket, and the shielding box is connected to the power socket through a connector; the shielding box includes a shielding cover, a shielding outer shell, an overload protection fuse alarm device and a power filter.

[0004] However, when the shielding box is connected to the power socket during use, it is easy to cause cross-inductive coupling and electromagnetic leakage. Cross-inductive coupling may enhance the electromagnetic radiation in the circuit, which will interfere with the normal operation of other electronic equipment around it. Electromagnetic leakage may cause information leakage. The electromagnetic radiation generated by electromagnetic leakage will cause electromagnetic interference to other electronic equipment around it, affecting their normal operation, resulting in equipment performance degradation, misoperation, or even damage. Summary of the invention

[0005] The invention provides a red and black power supply specially used for confidential computers, so as to solve the problems of easy cross inductive coupling and electromagnetic leakage when power sockets are connected in the prior art.

[0006] The present invention provides a red and black power supply dedicated to a confidential computer, which comprises a housing, a power filter, and a socket. The socket is located on one side of the housing, and the power filter is located inside the housing and connected to the socket through a wire. A first shielding body is provided inside the housing, and the first shielding body covers the power filter and the wire. The first shielding body and the housing are fixedly connected through a buckle assembly.

[0007] The buckle assembly includes a clamping part and a clamping sheet. A groove corresponding to the first shielding body is provided in the shell. The clamping part includes a clamping sheet and a spring. The clamping sheet is located at both sides of the groove and connected to the groove through the spring. The clamping sheet is hinged to the groove.

[0008] The clamping piece is located at the bottom of the first shielding body and corresponds to the clamping piece;

[0009] A fixing assembly is provided at the bottom of the shell;

[0010] A second shielding body corresponding to the first shielding body is disposed at the bottom of the shell, and the first shielding body and the second shielding body have the same structure.

[0011] Preferably, the groove is located at the bottom of the shell, the clamping parts are located in the groove and are linearly distributed, and the clamping sheet is fixedly connected to the first shielding body.

[0012] Preferably, a first limiting protrusion is provided on the top of the clamping piece, and a second limiting protrusion corresponding to the first limiting protrusion is provided on the clamping piece.

[0013] Preferably, the fixing assembly is located at the bottom of the shell in a rectangular shape, and the fixing assembly includes a fixing frame and a supporting shaft. The fixing frame and the supporting shaft are slidably connected, and a fixing suction cup is provided at the bottom of the supporting shaft.

[0014] Preferably, a slide groove is provided at the bottom of the fixing component, and a slide bar corresponding to the slide groove is provided on the outer side of the supporting shaft.

[0015] Preferably, the first shielding body comprises an auxiliary shielding body, an inner shielding body and an outer shielding body, an insulating isolation layer is provided between the inner shielding body and the outer shielding body, and the auxiliary shielding body, the inner shielding body and the outer shielding body are arranged in sequence from inside to outside.

[0016] Preferably, the auxiliary shielding body is provided with supporting airbags corresponding to the inner shielding body, the supporting airbags are linearly distributed on the auxiliary shielding body and contact the inner side of the inner shielding body, and the inner shielding body, the insulating isolation layer and the outer shielding body are in close contact with each other.

[0017] Preferably, the inner shield is a woven mesh, the inner shield and the outer shield are both made of a metal alloy with high conductivity and high magnetic permeability, a metal foil is arranged inside the inner shield, a conductive coating is coated on the surface of the inner shield, and the outer shield has a curved honeycomb design.

[0018] Preferably, the first shielding body also includes a heat sink, which is located above the outer shielding body. The inner shielding body, the insulating isolation layer, the outer shielding body and the heat sink are all tightly connected by applying thermal conductive glue. The heat sink is provided with heat sink fins and air ducts corresponding to the heat sink fins, and a heat sink fan corresponding to the heat sink is provided on one side of the shell.

[0019] Preferably, the heat dissipation fins are multiple and linearly distributed on the surface of the heat dissipation body, and the heat dissipation fins and air ducts are both inclined in design.

[0020] Beneficial effects of the present invention:

[0021] The invention provides a red and black power supply specially used for confidential computers. The power supply filter and the connection between the power supply filter and the socket are fully covered by the mutual cooperation of a first shielding body and a second shielding body, so that the cross inductive coupling and electromagnetic leakage between the power lines are effectively prevented, and the electromagnetic shielding effect is significantly improved. An insulating isolation layer is arranged between the inner shielding body and the outer shielding body, which not only enhances the shielding effect, but also prevents the shielding effect from being reduced due to electrical connection. The inner shielding body adopts a metal alloy woven mesh with a conductive coating coated on the surface. The outer shielding body is in a curved honeycomb design, which can more effectively absorb and reflect electromagnetic waves and provide an efficient electromagnetic shielding effect. The first shielding body is firmly fixed inside the shell by a snap-fit ​​assembly, and is clamped by the elastic force of a spring. The stability of the fixation is further enhanced by the mutual cooperation of a first limiting protrusion and a second limiting protrusion, so that the shielding body is ensured not to loosen or fall off during long-term use. The heat dissipation fins are linearly distributed, corresponding to the air duct, and can quickly take away the heat generated by the shielding body, so as to avoid the performance degradation and stability problems of the equipment caused by heat accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The present invention is a structural schematic diagram of a red and black power supply specially used for confidential computers.

[0023] Figure 2 The present invention is a schematic cross-sectional structural diagram of a red and black power supply specially used for confidential computers.

[0024] Figure 3 This is another cross-sectional structural schematic diagram of a red and black power supply specially used for confidential computers according to the present invention.

[0025] Figure 4 The diagram is a schematic diagram of the exploded structure of a red and black power supply specially used for confidential computers according to the present invention.

[0026] Figure 5 The diagram is a schematic diagram of the explosion structure of the first shielding body of a red and black power supply specially used for confidential computers according to the present invention.

[0027] Figure 6 The present invention is a schematic diagram of the shell structure of a red and black power supply specially used for confidential computers.

[0028] Figure 7 The present invention is a schematic diagram of the clamping structure of a red and black power supply specially used for confidential computers.

[0029] Figure 8 The present invention is a schematic diagram of the fixed component structure of a red and black power supply specially used for confidential computers.

[0030] Fig. 9 This is another structural schematic diagram of a fixing component of a red and black power supply specially used for confidential computers according to the present invention.

[0031] Fig.10 The present invention is a front view structural schematic diagram of the clamping part of a red and black power supply specially used for confidential computers.

[0032] Fig.11 The present invention is a schematic diagram of the clamping piece structure of a red and black power supply specially used for confidential computers.

[0033] Fig.12 The present invention is a structural schematic diagram of a red and black power supply specially used for confidential computers.

[0034] In the figure: 1, shell, 11, fixing component, 111, fixing frame, 112, fixing suction cup, 113, supporting shaft, 1131, sliding bar, 12, groove, 13, cooling fan, 2, power filter, 3, socket, 4, first shielding body, 41, auxiliary shielding body, 411, supporting airbag, 42, inner shielding body, 43, outer shielding body, 44, heat sink, 441, heat sink fin, 442, air duct, 5, buckle component, 51, clamping part, 511, clamping plate, 512, spring, 513, first limiting protrusion, 52, clamping plate, 521, second limiting protrusion. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0036] Example 1

[0037] The present invention provides a red and black power supply dedicated to a confidential computer, which comprises a housing 1, a power filter 2, and a socket 3. The socket 3 is located at one side of the housing 1. The power filter 2 is located inside the housing 1 and is connected to the socket 3 through a wire. A first shielding body 4 is provided in the housing 1. The first shielding body 4 covers the power filter 2 and the wire. The first shielding body 4 is fixedly connected to the bottom of the housing 1 through a snap assembly 5. A fixing assembly 11 is provided at the bottom of the housing 1.

[0038] The buckle assembly 5 includes a clamping portion 51 and a clamping sheet 52. A groove 12 corresponding to the first shielding body 4 is provided at the bottom of the shell 1. The clamping portion 51 is located in the groove 12 and is linearly distributed. The clamping portion 51 includes a clamping sheet 511 and a spring 512. The clamping sheet 511 is located on both sides of the inside of the groove 12, and is hinged between the middle position and the inner wall of the groove 12. The spring 512 is located at the bottom of the outer side of the clamping sheet 511 and is connected to the inner wall of the groove 12. A first limiting protrusion 513 is provided on the outer side of the top of the clamping sheet 511. The clamping sheet 52 is located on both sides of the bottom of the first shielding body 4 and corresponds to the clamping sheet 511. A second limiting protrusion 521 corresponding to the first limiting protrusion 513 is provided on the inner side of the clamping sheet 52. The clamping sheet 52 is fixedly connected to the first shielding body 4.

[0039] The fixing component 11 is located at the bottom of the housing 1 and is distributed in a rectangular shape. The fixing component 11 includes a fixing frame 111 and a supporting shaft 113. A through hole corresponding to the supporting shaft 113 is provided at the bottom of the fixing frame 111. The supporting shaft 113 passes through the through hole and is slidably connected to the fixing frame 111. A fixing suction cup 112 is provided at the bottom of the supporting shaft 113. A sliding groove is provided on one side of the through hole. A sliding bar 1131 slidably connected to the sliding groove is provided on the outer side of the supporting shaft 113.

[0040] A second shielding body corresponding to the first shielding body 4 is disposed at the bottom of the housing 1 , and the first shielding body 4 has the same structure as the second shielding body.

[0041] When in use, the first shielding body 4 and the second shielding body cooperate with each other to cover the power filter 2 and the wire connection between the power filter 2 and the socket 3, so as to prevent cross-inductive coupling and electromagnetic leakage between the power lines, improve the electromagnetic shielding effect, and provide a safer and more stable power supply guarantee for confidential computers and confidential information processing equipment. The first shielding body 4 is fixed inside the shell 1 through the buckle assembly 5. The first shielding body 4 is inserted into the gap between the outer side of the clamping plate 511 and the inner wall of the groove 12 through the clamping plate 52 at the bottom. In the initial state, the clamping plate 511 is flipped upward due to the pressure of the spring 512 at the bottom, and the top of the spring 512 is in contact with the two sides of the inner wall of the groove 12. The clamping plate 52 squeezes the clamping plate 511 during the downward insertion process, and the spring 512 begins to be stressed. The first shielding body 4 is fixed by fixing the clamping plate 52. During the fixing process, the first shielding body 4 is pressed down so that the second limiting protrusion 521 on the clamping plate 52 is pressed down to the first limiting protrusion 513 below the first limiting protrusion 513. The limiting protrusion 513 limits the second limiting protrusion 521 to further ensure the stability of the first shielding body 4. When the power filter 2 needs to be replaced, tested, or repaired, it is only necessary to lift the first shielding body 4 upward so that the clamping piece 52 overcomes the limiting position between the first limiting protrusion 513 and the second limiting protrusion 521, and the first shielding body 4 can be taken out of the shell 1. During use, the red and black power supply can be directly placed on an object, and the slide bar 11 on the support shaft 113 can be rotated to make the support shaft 113 31 drives the support shaft 113 to slide downward along the slide groove, and the support shaft 113 is rotated so that the top of the slide bar 1131 contacts the bottom of the fixed frame 111, and the red and black power supply is fixed by the fixed suction cup 112 touching the ground. When the fixed suction cup 112 is not needed for fixing, the support shaft 113 is slid upward and then rotated to make the bottom of the slide bar 1131 contact the inner side of the fixed component 11, thereby preventing the support shaft 113 from sliding downward and preventing the fixed suction cup 112 from touching the ground and fixing.

[0042] Compared with the prior art, the first shielding body 4 cooperates with the second shielding body to fully cover the power filter 2 and the wire connection between the power filter 2 and the socket 3, effectively preventing cross-inductive coupling and electromagnetic leakage between power lines, significantly improving the electromagnetic shielding effect, and providing a safer and more stable power supply environment for confidential computers and confidential information processing equipment. The design of the buckle assembly 5 enables the first shielding body 4 to be firmly fixed inside the housing 1. The clamping piece 52 is inserted into the gap between the outer side of the clamping piece 511 and the inner wall of the groove 12, and the clamping is achieved by the elastic force of the spring 512. At the same time, the mutual cooperation of the first limiting protrusion 513 and the second limiting protrusion 521 further enhances the stability of the fixation, ensuring that the first shielding body 4 will not loosen or fall off during long-term use. The fixing assembly 11 can conveniently adjust the installation angle and position of the red and black power supply through the sliding connection of the support shaft 113 and the fixing frame 111, and the sliding cooperation of the slide bar 1131 and the slide groove. At the same time, the fixed suction cup 112 allows the red and black power supply to be firmly adsorbed on an object, thereby improving the stability and reliability of use. When it is not necessary to fix it, the support shaft 113 can also be easily slid upward and rotated to avoid the fixed suction cup 112 from being fixed on the ground, thereby increasing the flexibility of use.

[0043] Example 2

[0044] In the above embodiment, the traditional shielding structure may reduce the shielding effect due to electrical connection when in use, and may easily cause deformation, loosening and other problems during the shielding process, thereby affecting the shielding effect. Therefore, the embodiment of the present application optimizes the first shielding body 4 based on the above embodiment.

[0045] In this embodiment, the first shielding body 4 includes an auxiliary shielding body 41, an inner shielding body 42, and an outer shielding body 43. An insulating isolation layer is provided between the inner shielding body 42 and the outer shielding body 43. The insulating isolation layer is used to isolate the two shielding bodies to prevent electrical connection while maintaining the stability and integrity of the shielding structure. The auxiliary shielding body 41, the inner shielding body 42, and the outer shielding body 43 are arranged in sequence from the inside to the outside. The auxiliary shielding body 41 supports the inner shielding body 42 and the outer shielding body 43. The auxiliary shielding body 41 is provided with a supporting airbag 411 corresponding to the inner shielding body 42. The supporting airbag 411 is linearly distributed on the auxiliary shielding body 41 and is in contact with the inner side of the inner shielding body 42. The inner shielding body 42, the insulating isolation layer, and the outer shielding body 43 are in close contact with each other.

[0046] When in use, the first shielding body 4 is supported by the supporting airbag 411 to prevent the inner shielding body 42 and the outer shielding body 43 from deformation, loosening and other problems during use, thereby affecting the shielding effect. The supporting airbag 411 provided on the auxiliary shielding body 41 can further support the inner shielding body 42 and the outer shielding body 43, and absorb and disperse vibration and impact energy when the red and black power supply is impacted, thereby further improving the buffering and shock absorption effect. The insulating isolation layer is provided between the inner shielding body 42 and the outer shielding body 43, which effectively isolates the two layers of shielding bodies and prevents the occurrence of electrical connection, thereby maintaining the stability and integrity of the shielding structure and improving the shielding effect.

[0047] Compared with the prior art, the inner shield 42 and the outer shield 43 are supported by the auxiliary shield 41, and in particular, the supporting airbag 411 is located on the auxiliary shield 41 and is distributed linearly, and is in contact with the inner side of the inner shield 42, which not only prevents the inner shield 42 and the outer shield 43 from deformation, loosening and other problems during use, but also enhances the stability of the entire shield structure through the elastic supporting effect of the supporting airbag 411. This helps to maintain the integrity and shape of the shield, thereby ensuring that the shielding effect is not damaged. The supporting airbag 411 not only plays a supporting role, but also absorbs and disperses vibration and impact energy when the red and black power supply is impacted, improves the vibration resistance of the power supply, helps to protect the internal circuits and components from damage, and further enhances the reliability and durability of the power supply. An insulating isolation layer is set between the inner shield 42 and the outer shield 43, which effectively isolates the two layers of shields and prevents the occurrence of electrical connection. This avoids the reduction of the shielding effect due to electrical connection and maintains the stability and integrity of the shielding structure. At the same time, the close contact between the inner shielding body 42, the insulating isolation layer, and the outer shielding body 43 also ensures the maximization of the shielding effect, reduces the possibility of electromagnetic leakage, improves the shielding efficiency, and provides a safer and more stable power supply environment for confidential computers and confidential information processing equipment.

[0048] Example 3

[0049] The shielding materials in the above embodiments cannot effectively absorb and reflect electromagnetic waves, and easily lead to reflection and scattering of electromagnetic waves, thereby increasing electromagnetic interference. Therefore, the embodiment of the present application optimizes the first shielding body 4 based on the above embodiments.

[0050] In this embodiment, the inner shielding body 42 is a woven mesh. The inner shielding body 42 and the outer shielding body 43 are made of a metal alloy with high conductivity and high magnetic permeability. A metal foil is arranged in the inner shielding body 42. The metal foil is used in combination with the metal alloy woven mesh. A conductive coating is coated on the surface of the inner shielding body 42. The outer shielding body 43 has a curved honeycomb design.

[0051] When in use, the inner shielding body 42 is a metal alloy braided mesh that can effectively absorb and reflect electromagnetic waves, providing an efficient electromagnetic shielding effect. The metal foil is used in combination with the metal alloy braided mesh. The metal alloy braided mesh provides a flexible shielding effect, and the metal foil provides a higher shielding density. The combination of the two forms a more rigorous shielding layer. The conductive coating coated on the surface of the inner shielding body 42 further enhances its electromagnetic shielding performance. The conductive coating can fill the tiny pores in the metal braided mesh and improve the continuity and integrity of the shielding layer. The curved honeycomb design of the outer shielding body 43 can reduce the reflection and scattering of electromagnetic waves, thereby reducing electromagnetic interference. Compared with the planar structure, the curved design can better disperse electromagnetic waves, reduce the concentration and reflection of electromagnetic waves, and improve the shielding effect. The honeycomb structure has good wave absorption performance, can absorb and dissipate electromagnetic waves, and reduce the reflection and transmission of electromagnetic waves. When the two are combined, the curved honeycomb structure can achieve effective shielding of electromagnetic waves in a wider frequency range and is suitable for various complex electromagnetic environments.

[0052] Compared with the prior art, the inner shield 42 adopts a metal alloy braided mesh, which has efficient electromagnetic wave absorption and reflection capabilities, and provides a basis for electromagnetic shielding. The combination of metal foil and metal alloy braided mesh increases the density of the shielding layer, making the shielding effect more rigorous. In addition, the conductive coating coated on the surface of the inner shield 42 further enhances the electromagnetic shielding performance, and improves the continuity and integrity of the shielding layer by filling the tiny pores in the metal braided mesh, thereby ensuring an efficient electromagnetic shielding effect. The outer shield 43 adopts a curved honeycomb design, which can effectively reduce the reflection and scattering of electromagnetic waves. Compared with the planar structure, the curved design can better disperse electromagnetic waves and avoid their concentrated reflection, thereby reducing electromagnetic interference. The honeycomb structure itself has good wave absorption performance, can absorb and dissipate electromagnetic waves, further reduce the reflection and transmission of electromagnetic waves, and improve the shielding effect. The outer shield of the curved honeycomb structure not only reduces the reflection and scattering of electromagnetic waves, but also can achieve effective shielding of electromagnetic waves in a wider frequency range. The curved honeycomb structure not only has good shielding effectiveness, but also has excellent mechanical properties. The honeycomb structure is equivalent to a collection of I-beam structures, has excellent compressive strength and compression deformation resistance, can disperse external forces, and improve the overall rigidity and stability of the structure.

[0053] Example 4

[0054] In the above embodiment, the shielding body may cause heat accumulation due to the lack of an effective heat dissipation structure, affecting the performance and stability of the device. Therefore, the embodiment of the present application optimizes the first shielding body 4 to a certain extent based on the above embodiment.

[0055] In this embodiment, the first shielding body 4 also includes a heat sink 44, which is located above the outer shielding body 43. The inner shielding body 42, the insulating isolation layer, the outer shielding body 43, and the heat sink 44 are all tightly connected by applying thermal conductive adhesive. The heat sink 44 is provided with heat sink fins 441 and air ducts 442 corresponding to the heat sink fins 441. The heat sink fins 441 are multiple and linearly distributed on the surface of the heat sink 44. The heat sink fins 441 and the air ducts 442 are both designed to be inclined at 5° to 15°. A heat sink fan 13 corresponding to the heat sink 44 is provided on one side of the shell 1.

[0056] When in use, the cooling fan 13 rotates to drive the air in the shell 1 to circulate, and the air duct 442 distributes the air in the shell 1, and distributes the airflow to multiple cooling fins 441 areas, thereby improving the heat dissipation efficiency and ensuring that each cooling fin 441 can be effectively cooled. The heat can be effectively transferred from the inner shielding body 42, the insulating isolation layer, and the outer shielding body 43 to the cooling fins 441 through the thermal conductive adhesive, and convection heat dissipation is achieved through the contact between the fins and the air.

[0057] Compared with the prior art, the heat sink 44 is located above the outer shielding body 43, and is tightly connected to the inner shielding body 42, the insulating isolation layer, and the outer shielding body 43 through thermal conductive adhesive, forming an efficient heat conduction path. The heat sink fins 441 increase the heat dissipation area, allowing the heat to be dissipated into the air faster. Multiple heat dissipation fins 441 are linearly distributed on the surface of the heat sink 44, ensuring uniform heat dissipation. The air duct 442 corresponds to the heat dissipation fins 441 and is designed to be inclined at 5° to 15°, which can more effectively guide the airflow and distribute the air in the shell 1 to each heat dissipation fin 441 area, further improving the heat dissipation efficiency. The rotation of the cooling fan 13 drives the air circulation in the shell 1. Combined with the design of the air duct 442 and the heat dissipation fins 441, the heat generated by the shielding body can be quickly taken away, avoiding the performance degradation and stability problems of the equipment caused by heat accumulation. The thermal conductive adhesive ensures the smooth conduction of heat between the various parts of the shielding body and the heat sink 44, avoiding local overheating caused by heat accumulation in a certain part. The inclined design of the heat dissipation fins 441 and the air duct 442 not only improves the heat dissipation efficiency, but also enables the airflow to produce a better turbulence effect when passing through the heat dissipation fins 441, thereby enhancing the heat dissipation effect.

[0058] The present invention and its embodiments are described above, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it and do not deviate from the purpose of the invention, they can creatively design a structure and embodiment similar to the technical solution, which should fall within the protection scope of the present invention.

Claims

1. A red and black power supply for a computer involving confidential information, comprising a housing (1), a power filter (2), and a socket (3), wherein the socket (3) is located on one side of the housing (1), and the power filter (2) is located inside the housing (1) and connected to the socket (3) via a wire, characterized in that: A first shielding body (4) is provided in the shell (1), the first shielding body (4) covers the power filter (2) and the wire, and the first shielding body (4) and the shell (1) are fixedly connected by a snap-fit ​​assembly (5); The buckle assembly (5) comprises a clamping portion (51) and a clamping sheet (52); a groove (12) corresponding to the first shielding body (4) is provided in the housing (1); the clamping portion (51) comprises a clamping sheet (511) and a spring (512); the clamping sheet (511) is located on both sides of the groove (12) and is connected to the groove (12) via the spring (512); the clamping sheet (511) and the groove (12) are hinged; The clamping piece (52) is located at the bottom of the first shielding body (4) and corresponds to the clamping piece (511); A fixing assembly (11) is provided at the bottom of the housing (1); A second shielding body corresponding to the first shielding body (4) is provided at the bottom of the shell (1); the first shielding body (4) and the second shielding body have the same structure.

2. A red and black power supply for confidential computers according to claim 1, characterized in that: The groove (12) is located at the bottom of the housing (1), the clamping portion (51) is located in the groove (12) and is linearly distributed, and the clamping sheet (52) is fixedly connected to the first shielding body (4).

3. A red and black power supply for confidential computers according to claim 1, characterized in that: The top of the clamping piece (511) is provided with a first limiting protrusion (513), and the clamping piece (52) is provided with a second limiting protrusion (521) corresponding to the first limiting protrusion (513).

4. A red and black power supply for confidential computers according to claim 1, characterized in that: The fixing assembly (11) is located at the bottom of the housing (1) and is distributed in a rectangular shape. The fixing assembly (11) comprises a fixing frame (111) and a supporting shaft (113). The fixing frame (111) and the supporting shaft (113) are slidably connected to each other. A fixing suction cup (112) is provided at the bottom of the supporting shaft (113).

5. A red and black power supply for confidential computers according to claim 4, characterized in that: The fixing assembly (11) has a sliding groove at the bottom, and a sliding bar (1131) corresponding to the sliding groove is provided on the outer side of the supporting shaft (113).

6. A red and black power supply for confidential computers according to claim 1, characterized in that: The first shielding body (4) comprises an auxiliary shielding body (41), an inner shielding body (42), and an outer shielding body (43); an insulating isolation layer is provided between the inner shielding body (42) and the outer shielding body (43); and the auxiliary shielding body (41), the inner shielding body (42), and the outer shielding body (43) are arranged in sequence from the inside to the outside.

7. A red and black power supply for confidential computers according to claim 6, characterized in that: The auxiliary shielding body (41) is provided with a supporting airbag (411) corresponding to the inner shielding body (42); the supporting airbag (411) is linearly distributed on the auxiliary shielding body (41) and is in contact with the inner side of the inner shielding body (42); the inner shielding body (42), the insulating isolation layer and the outer shielding body (43) are in close contact with each other.

8. A red and black power supply for confidential computers according to claim 6, characterized in that: The inner shield (42) is a woven mesh. The inner shield (42) and the outer shield (43) are both made of a metal alloy with high electrical conductivity and high magnetic permeability. A metal foil is arranged inside the inner shield (42). A conductive coating is coated on the surface of the inner shield (42). The outer shield (43) is of a curved honeycomb design.

9. A red and black power supply for confidential computers according to claim 6, characterized in that: The first shielding body (4) further comprises a heat sink (44), the heat sink (44) being located above the outer shielding body (43), the inner shielding body (42), the insulating isolation layer, the outer shielding body (43) and the heat sink (44) being tightly connected by applying thermally conductive adhesive, the heat sink (44) being provided with heat sink fins (441) and air ducts (442) corresponding to the heat sink fins (441), and a heat sink fan (13) corresponding to the heat sink (44) being provided on one side of the housing (1).

10. A red and black power supply for confidential computers according to claim 9, characterized in that: The heat dissipation fins (441) are multiple and linearly distributed on the surface of the heat dissipation body (44); the heat dissipation fins (441) and the air ducts (442) are both inclined in design.

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