CRT (cathode ray tube) graphic display device

Abstract

The utility model discloses a CRT (Cathode Ray Tube) graphic display device, which relates to the field of electronic equipment and comprises a device shell, a CRT imaging device is arranged in the device shell, a cooling device is arranged around the CRT imaging device, the imaging device comprises a kinescope, one end of the kinescope is provided with a display surface, and one end of the kinescope far away from the display surface is provided with a data connection port. And the data connection port extends out of the device shell. The efficient cooling device is integrated in the device shell, the device not only comprises the fixing plate attached to the outer surface of the kinescope and the heat dissipation outer ring surrounding the data connection port, but also realizes liquid cooling circulation through the infusion tube and the through groove, so that the temperature around the kinescope and the data connection port is effectively reduced, and meanwhile, the heat dissipation effect of the kinescope and the data connection port is improved. And through the design of mechanical structures such as the sliding blocks and the connecting rods, flexible adjustment and stable supporting of the heat dissipation outer ring are achieved, the heat dissipation efficiency is improved, and the stability of the structure is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of electronic equipment, in particular to a CRT graphic display device. Background Art

[0002] With the rapid development of science and technology, graphic display devices are increasingly used in various fields. Among them, cathode ray tube (CRT) graphic display devices have dominated the market for a long time due to their rich colors and high contrast.

[0003] However, traditional CRT graphics displays generate significant heat during operation due to the high-speed electron beam bombardment and high-temperature operation of the filament inside the tube. This poses a serious challenge to the stability and service life of the tube. Furthermore, high temperatures can affect the clarity and color accuracy of displayed images, reducing the user experience.

[0004] To solve the above problems, some manufacturers design heat dissipation through fans or heat sinks. However, these solutions often cannot meet the requirements of high-load operation in terms of heat dissipation effect.

[0005] However, various heat dissipation solutions for CRT graphic display devices have emerged in the prior art, but most of them have problems such as low heat dissipation efficiency, complex structure, and high maintenance cost. Utility Model Content

[0006] Based on this, the purpose of the present invention is to provide a CRT graphic display device to solve the existing problems. There are many heat dissipation solutions for CRT graphic display devices in the technology, but most of them have low heat dissipation efficiency, complex structure, high maintenance cost, etc.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a CRT graphic display device, comprising a device housing, a CRT display device disposed within the device housing, a cooling device disposed around the CRT display device, the display device comprising a cathode ray tube, one end of the cathode ray tube being configured as a display surface, a data connection port being disposed at an end of the cathode ray tube away from the display surface, and the data connection port extending outside the device housing.

[0008] By adopting the above technical solution, the cathode ray tube is installed through the device shell, and external data is connected through the data connection port, and the electron gun in the control device emits different rays to make the display face display the picture.

[0009] The utility model is further configured as follows: the cooling device includes a fixed plate, the fixed plate is fitted on the outer surface of the cathode ray tube, a heat dissipation outer ring is provided around the outer periphery of the data connection port, a liquid infusion tube is provided inside the heat dissipation outer ring and the fixed plate, a through groove is provided inside the heat dissipation outer ring, and a liquid storage transfer box is provided inside the device casing.

[0010] By adopting the above technical solution, the heat emitted by the cathode ray tube and the heat of the data transmission port are absorbed by the fixed plate, and then the liquid is continuously transported through the infusion tube to take away the heat, thereby achieving cooling inside the device.

[0011] The utility model is further configured such that a sliding groove is provided on the upper surface of the fixed plate, a slider is slidingly provided in the sliding groove, a first connecting rod is provided on the slider at a certain angle, a rotating shaft is provided at the other end of the first connecting rod, a second connecting rod is provided on the rotating shaft, and the other end of the second connecting rod is connected to the heat dissipation outer ring.

[0012] By adopting the above technical solution, the first connecting rod and the second connecting rod are rotated by the provided rotating shaft, thereby ensuring the stable operation of the cathode ray tube.

[0013] The present invention is further configured such that side panels are symmetrically arranged on both sides of the device housing, and air outlets are opened on the side panels.

[0014] By adopting the above technical solution, the side panels are provided to ensure air circulation in the device, reduce the temperature inside the device, and ensure dryness inside the device.

[0015] The present invention is further configured such that a connection plate is provided around the data connection port on one side of the device housing away from the display surface, the connection plate is connected to the liquid storage transfer box, and the connection plate is provided with a plurality of infusion connection ports on one side of the device housing.

[0016] By adopting the above technical solution, liquid is continuously delivered into the device through the infusion connection port, thereby continuously cooling the picture tube.

[0017] The present invention is further configured such that a memory metal is provided at one end of the slider away from the display surface, and the other end of the memory metal is fixedly connected to the inner wall of the slide groove.

[0018] By adopting the above technical solution, the memory metal is used to ensure the fit between the fixing plate and the picture tube, thereby ensuring the heat dissipation effect of the device.

[0019] The present invention is further configured such that a degaussing coil is provided at the connection between the picture tube and the display surface.

[0020] By adopting the above technical solution, the degaussing coil is used to ensure the magnetic field in the surrounding environment, prevent the occurrence of such magnetization phenomenon, and maintain the stability and accuracy of the screen display;

[0021] In summary, the present invention has the following beneficial effects:

[0022] The utility model integrates a high-efficiency cooling device in the device shell. The device not only includes a fixing plate that fits the surface of the cathode ray tube and a heat dissipation outer ring surrounding the data connection port, but also realizes liquid cooling circulation through the infusion tube and the through groove, thereby effectively reducing the temperature around the cathode ray tube and the data connection port. At the same time, through the design of mechanical structures such as sliders and connecting rods, flexible adjustment and stable support of the heat dissipation outer ring are realized, thereby improving heat dissipation efficiency and enhancing structural stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the back structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the internal structure of the utility model;

[0027] Figure 5 It is a schematic sectional side view of the internal structure of the present invention.

[0028] In the figure: 1. Device housing; 2. Side panel; 3. Exhaust vent; 4. Display surface; 5. Fixing plate; 6. Heat dissipation outer ring; 7. Liquid storage transfer box; 8. First connecting rod; 9. Degaussing coil; 10. Slider; 11. Connecting plate; 12. Infusion connection port; 13. Data connection port; 14. Slide; 15. Memory metal; 16. Picture tube; 17. Rotating shaft; 18. Second connecting rod; 19. Infusion tube; 20. Through slot. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] The following describes an embodiment of the present invention based on its overall structure.

[0031] CRT graphics display devices, such as Figure 1-5As shown, it includes a device housing 1, a CRT display device is provided in the device housing 1, a cooling device is included around the CRT display device, the display device includes a cathode ray tube 16, one end of the cathode ray tube 16 is set as a display surface 4, and a data connection port 13 is provided at the end of the cathode ray tube 16 away from the display surface 4, the data connection port 13 extends to the outside of the device housing 1, the cathode ray tube 16 is fixedly installed through the device housing 1, and external data is connected through the data connection port 13, the electron gun in the control device emits different rays to display 4 pictures on the display surface, and the cooling device includes a fixing plate 5, the fixing plate 5 is attached to the surface of the cathode ray tube 16, the data connection port 1 3 is provided with a heat dissipation outer ring 6 around the outer periphery. A liquid infusion tube 19 is provided in the heat dissipation outer ring 6 and the fixing plate 5. A through groove 20 is provided in the heat dissipation outer ring 6. A liquid storage transfer box 7 is provided in the device housing 1. A connecting plate 11 is provided around the data connection port 13 on the side of the device housing 1 away from the display surface 4. The connecting plate 11 is connected to the liquid storage transfer box 7. The connecting plate 11 is provided with a plurality of liquid infusion connection ports 12 on one side of the device housing 1. During actual use, an external liquid source is connected through the liquid infusion connection ports 12 to continuously deliver cooling liquid to the fixing plate 5. The fixing plate 5 is arranged in close contact with the cathode ray tube 16, so that the cooling liquid absorbs the heat emitted by the cathode ray tube 16 to ensure stable operation of the display device.

[0032] Furthermore, during the operation of the display device, the cathode ray tube 16 may vibrate due to external vibration or collision, causing the parts to vibrate, which may cause damage to the cathode ray tube 16. For this reason, a slide groove 14 is provided on the upper surface of the fixing plate 5, and a slider 10 is slidably provided in the slide groove 14. A first connecting rod 8 is provided on the slider 10 at a certain angle, and a rotating shaft 17 is provided at the other end of the first connecting rod 8. A second connecting rod 18 is provided on the rotating shaft 17, and the other end of the second connecting rod 18 is connected to the heat dissipation outer ring 6. When vibration occurs, the cathode ray tube 16 squeezes the first connecting rod 8 to make it rotate. At the same time, the first connecting rod 8 squeezes the cathode ray tube 16 to assist in resetting and ensure the stability of the cathode ray tube 16 and operation.

[0033] Side panels 2 are symmetrically arranged on both sides of the device housing 1, and exhaust ports 3 are opened on the side panels 2. The side panels 2 ensure air circulation in the device, reduce the temperature inside the device, and ensure dryness inside the device.

[0034] The end of the slider 10 away from the display surface 4 is provided with a memory metal 15, and the other end of the memory metal 15 is fixedly connected to the inner wall of the slide groove 14. The memory metal 15 ensures the fit between the fixing plate 5 and the cathode ray tube 16, thereby ensuring the heat dissipation effect of the device.

[0035] A degaussing coil 9 is provided at the connection between the picture tube 16 and the display surface 4. The degaussing coil 9 ensures the magnetic field in the surrounding environment, prevents the occurrence of such magnetization phenomenon, and maintains the stability and accuracy of the screen display.

[0036] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A CRT graphics display device, comprising a device housing (1), characterized in that: A CRT display device is provided in the device housing (1), a cooling device is provided around the CRT display device, the display device includes a cathode ray tube (16), one end of the cathode ray tube (16) is provided as a display surface (4), and a data connection port (13) is provided at the end of the cathode ray tube (16) away from the display surface (4), and the data connection port (13) extends outside the device housing (1).

2. The CRT graphics display device according to claim 1, wherein: The cooling device comprises a fixed plate (5), the fixed plate (5) being fitted on the outer surface of the picture tube (16), a heat dissipation outer ring (6) being provided around the outer periphery of the data connection port (13), a liquid infusion tube (19) being provided inside the heat dissipation outer ring (6) and the fixed plate (5), a through groove (20) being provided inside the heat dissipation outer ring (6), and a liquid storage transfer box (7) being provided inside the device housing (1).

3. The CRT graphics display device according to claim 2, wherein: A sliding groove (14) is provided on the upper surface of the fixing plate (5), a slider (10) is slidably provided in the sliding groove (14), a first connecting rod (8) is provided on the slider (10) at a certain angle, a rotating shaft (17) is provided at the other end of the first connecting rod (8), a second connecting rod (18) is provided on the rotating shaft (17), and the other end of the second connecting rod (18) is connected to the heat dissipation outer ring (6).

4. The CRT graphics display device according to claim 1, wherein: Side panels (2) are symmetrically arranged on both sides of the device housing (1), and air outlets (3) are provided on the side panels (2).

5. The CRT graphics display device according to claim 1, wherein: A connecting plate (11) is provided around the data connection port (13) on the side of the device housing (1) away from the display surface (4). The connecting plate (11) is connected to the liquid storage transfer box (7). The connecting plate (11) is provided with a plurality of infusion connection ports (12) on one side of the device housing (1).

6. The CRT graphics display device according to claim 3, wherein: A memory metal (15) is provided at one end of the slider (10) away from the display surface (4), and the other end of the memory metal (15) is fixedly connected to the inner wall of the slide groove (14).

7. The CRT graphics display device according to claim 1, wherein: A degaussing coil (9) is provided at the connection between the picture tube (16) and the display surface (4).

Images