CN212808414U - Passive high-voltage live display device - Google Patents
Passive high-voltage live display device Download PDFInfo
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- CN212808414U CN212808414U CN202020916158.4U CN202020916158U CN212808414U CN 212808414 U CN212808414 U CN 212808414U CN 202020916158 U CN202020916158 U CN 202020916158U CN 212808414 U CN212808414 U CN 212808414U
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Abstract
The utility model discloses a passive form high voltage live display device belongs to passive electrified display device technical field. The device comprises a lampshade shell, a convex lens, an auxiliary electrode, a high-voltage discharge tube, a screener and a U-shaped metal clamp; the screening device is characterized in that the auxiliary electrode is electrically connected with one end of the high-voltage discharge tube, the other end of the high-voltage discharge tube is electrically connected with the U-shaped metal clamp, the U-shaped metal clamp is fixed on a high-voltage charged body to be tested through a U-shaped clamp, the screening device adopts a capacitor, and two ends of the capacitor are respectively electrically connected with the auxiliary electrode and the U-shaped metal clamp and are connected with the high-voltage discharge tube in parallel. One end of the high-voltage discharge tube is connected with the high-voltage end of the high-voltage electrified body, the other end of the high-voltage discharge tube is grounded through the auxiliary electrode and air, and displacement current is generated under the action of an electric field around the high-voltage electrified body, so that the high-voltage discharge tube emits light, and the high-voltage electrified body to be detected is displayed to be electrified.
Description
Technical Field
The utility model relates to a passive form high voltage live display device belongs to passive electrified display device technical field.
Background
The TH-PVI passive charged display device is suitable for medium voltage system. The power of the liquid crystal display is from an electric field around a charged body, the liquid crystal display is driven by the electric field around the high-voltage charged body, the purpose of high-voltage charged display is achieved, a battery or other secondary auxiliary power sources are not needed, and the equipment is durable. The display device adopts a liquid crystal material with good weather resistance and water resistance and adopts a complete sealing mode. The visual display device provides a good visual effect under any light source condition, solves the problem of 'availability of electric energy' for many years, and can effectively prevent high-voltage electric shock accidents and equipment short circuit damage accidents caused by mistakenly touching high-voltage electrified equipment due to the fact that people do not master the electrified state of the equipment. The device can also play a remarkable role in preventing accidents of electrified earth wires and electrified earthing knife switches.
Specifically, the TH-PVI series passive electrified display device is based on the technical principle of liquid crystal display, the power energy of the device comes from an electric field around a high-voltage electrified body, and when the device is electrified, a black lightning arrow appears on a liquid crystal screen of the device to indicate that the high-voltage electrified body is electrified. The device is divided into TH-PVI/I type: the voltage grade is 3.6-12KV series; TH-PVI/II: two series of voltage classes 12-40.5 KV.
However, in the passive charged display device adopting the liquid crystal display technology, the molecular arrangement of the liquid crystal display is very sensitive to the external environment changes (such as temperature, electromagnetic field, etc.), and when the liquid crystal molecular arrangement changes, the optical properties also change, so that the display is possibly impossible.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the passive high-voltage charged display device solves the problem that the molecular arrangement of a liquid crystal display of the conventional liquid crystal passive charged display device is easily influenced by the environment, so that the display result is inaccurate.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a passive high-voltage charged display device comprises a lampshade shell, a convex lens, an auxiliary electrode, a high-voltage discharge tube, a screener and a U-shaped metal clamp;
the lampshade shell is a non-conductive closed shell with an opening at the front end, a convex lens is fixed at the opening, a high-voltage discharge tube and a screening device are installed in the lampshade shell, and a circle of conductive auxiliary electrodes are arranged on the periphery of the inner wall of the lampshade shell;
the U-shaped metal clamp consists of a U-shaped clamp and a fixed column, one end of the fixed column is fixed with one side of the U-shaped clamp, and the other end of the fixed column extends into and is fixed in the rear end of the lampshade shell;
the screening device is characterized in that the auxiliary electrode is electrically connected with one end of the high-voltage discharge tube, the other end of the high-voltage discharge tube is electrically connected with the U-shaped metal clamp, the U-shaped metal clamp is fixed on a high-voltage charged body to be tested through a U-shaped clamp, the screening device adopts a capacitor, and two ends of the capacitor are respectively electrically connected with the auxiliary electrode and the U-shaped metal clamp and are connected with the high-voltage discharge tube in parallel;
the high-voltage discharge tube is composed of two connecting electrodes, two spiral electrodes, two electrode spheres and a thin tube body, the two electrode spheres are connected through the thin tube body in a sealing mode to form a dumbbell shape, at least one gas of neon, argon, krypton and xenon is filled in the electrode spheres and the thin tube body, a spiral electrode is arranged in each electrode sphere, each spiral electrode is composed of a tungsten wire and a spiral nickel sheet, each spiral nickel sheet is bent into a spiral shape through a nickel sheet, one end of each tungsten wire is connected with the middle of each spiral nickel sheet, the other end of each tungsten wire is connected with the connecting electrode of the high-voltage discharge tube, and the connecting electrode seal extends out of the electrode spheres.
As a preferred example, the inner wall of the lamp housing is provided with a light-reflecting coating.
As a preferred example, the high-pressure discharge tube is formed by connecting 3 identical high-pressure discharge tubes in series.
The utility model has the advantages that:
(1) one end of the high-voltage discharge tube is connected with the high-voltage end of the high-voltage electrified body, the other end of the high-voltage discharge tube is grounded through the auxiliary electrode and air, and displacement current is generated under the action of an electric field around the high-voltage electrified body, so that the high-voltage discharge tube emits light, and the high-voltage electrified body to be detected is displayed to be electrified;
(2) the convex lens is fixed at the opening of the lampshade shell to prevent dust from entering, and the convex lens gathers light rays of the high-voltage discharge tube to the front side and is matched with the reflective coating on the inner wall of the lampshade shell for use, so that electrified display is brighter;
(3) the auxiliary electrode is fixed on the periphery of the inner wall of the lamp shade shell, so that the high-voltage discharge tube is suspended in the air through the auxiliary electrode and is in non-solid contact with the ground potential, and the displacement current generated by the electric field forms a complete loop, thereby realizing the gas discharge in the high-voltage discharge tube;
(4) the high-voltage discharge tube is designed into a dumbbell shape, the electrode spheres at two ends form a bubble storage shape, and the spiral electrodes are placed in the electrode spheres, so that the defect that the space at two ends of the common discharge tube is small is overcome, the contact area of the spiral electrodes at two ends and gas is enlarged, and charged particles ionized by gas collision and electrons escaping from the metal surface are increased rapidly; the middle thin tube body is thin, the density of the charged particles is improved in the process that the charged particles are from one end of the thin tube body to the other end of the thin tube body, the glow brightness of glow discharge can be improved, the dumbbell shape is designed, the device can sense an electric field more accurately and rapidly, the display intensity is improved, and the device can be suitable for indoor and outdoor scenes;
(5) the screening device adopts a capacitor, and the screening device has the function of eliminating the influence of a high-voltage electric field generated by other high-voltage electric equipment on the device, namely the electrified display cannot be realized under the action of the electric field generated by other high-voltage electric equipment when the high-voltage electric equipment is not electrified, so that the display accuracy and the anti-interference capability of the device are improved;
(6) the U-shaped metal clamp can fix the display device on the high-voltage electrified body on one hand, and can connect the high-voltage discharge tube into a loop as a conducting wire on the other hand.
Drawings
FIG. 1 is a schematic side sectional view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
fig. 3 is a schematic diagram of the circuit structure of the present invention;
FIG. 4 is a schematic side sectional view of a high pressure discharge tube;
fig. 5 is a schematic diagram of the electrode sphere and the internal spiral electrode.
In the figure: the lamp shade comprises a lamp shade shell 1, a convex lens 2, an auxiliary electrode 3, a high-voltage discharge tube 4, a screening device 5, a U-shaped metal clamp 6, a high-voltage charged body 7, air 8, ground potential 9, a connecting electrode 41, an electrode sphere 42, a thin tube body 43, a tungsten filament 44, a spiral nickel sheet 45, a U-shaped clamp 61 and a fixing column 62.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in fig. 1 to 5, a passive high voltage live display device includes a lamp housing 1, a convex lens sheet 2, an auxiliary electrode 3, a high voltage discharge tube 4, a screening device 5, a U-shaped metal clamp 6;
the lampshade shell 1 is a non-conductive closed shell with an opening at the front end, a convex lens 2 is fixed at the opening, a high-voltage discharge tube 4 and a screener 5 are installed in the lampshade shell 1, and a circle of conductive auxiliary electrodes 3 are arranged on the periphery of the inner wall of the lampshade shell 1;
the U-shaped metal clamp 6 is composed of a U-shaped clamp 61 and a fixed column 62, one end of the fixed column 62 is fixed with one side of the U-shaped clamp 61, and the other end of the fixed column 62 extends into and is fixed in the rear end of the lampshade shell 1;
the auxiliary electrode 3 is electrically connected with one end of the high-voltage discharge tube 4, the other end of the high-voltage discharge tube 4 is electrically connected with the U-shaped metal clamp 6, the U-shaped metal clamp 6 is fixed on a high-voltage charged body 7 to be detected through a U-shaped clamp 61, the screening device 5 adopts a capacitor, and two ends of the capacitor are respectively electrically connected with the auxiliary electrode 3 and the U-shaped metal clamp 6 and are connected with the high-voltage discharge tube 4 in parallel;
the high-voltage discharge tube 4 is composed of two connecting electrodes 41, two spiral electrodes, two electrode spheres 42 and a thin tube body 43, the two electrode spheres 42 are hermetically connected through the thin tube body 43 to form a dumbbell shape, at least one of neon, argon, krypton and xenon is filled in the electrode spheres 42 and the thin tube body 43, a spiral electrode is arranged in each electrode sphere 42, the spiral electrode is composed of a tungsten wire 44 and a spiral nickel sheet 45, the spiral nickel sheet 45 is bent into a spiral shape by a nickel sheet, one end of the tungsten wire 44 is connected with the middle of the spiral nickel sheet 45, the other end of the tungsten wire 44 is connected with the connecting electrode 41 of the high-voltage discharge tube 4, and the connecting electrode 41 is hermetically extended out of the electrode spheres 42.
The inner wall of the lamp shade housing 1 is provided with a light-reflecting coating (not shown in the figure).
The high-voltage discharge tube 4 is formed by connecting 3 identical high-voltage discharge tubes 4 in series.
The examples are as follows:
(1) the lamp shade housing 1: the device main part comprises lamp shade casing 1 and convex lens 2 for install high-voltage discharge tube 4, sieve separator 5, auxiliary electrode 3 to can play the effect of sheltering from sunshine, preventing that the dust from getting into in the device. The interior of the lamp shade shell 1 needs to be coated with a layer of reflective coating like an automobile lamp, and the reflective coating can reflect glow generated by discharge of the high-voltage discharge tube 4, so that the glow is more concentrated and bright. The front end of the lampshade shell 1 applies the convex lens light-gathering principle to make the glow generated by the high-voltage discharge tube 4 more concentrated and more obvious. And some metal coatings can be added on the periphery inside the lamp shade shell 1 to form a larger auxiliary electrode 3, so that the lamp shade shell 1 can also become a part of a collecting device of discharge current. The lampshade shell 1 is a sealed shell with the length of 10 cm, the height of 12 cm and the thickness of 4 cm.
(2) Auxiliary electrode 3: the auxiliary electrode 3 is designed on the periphery inside the lamp housing body 1, and its main function is to make the device in suspension with the ground potential 9 through the auxiliary electrode 3 in non-physical contact, so that the displacement current forms a complete loop, thereby realizing the gas discharge of the high-voltage discharge tube 4.
(3) High-voltage discharge tube 4: the high voltage discharge tube 4 is the core part of the design of a passive voltage charged display device, and not only is a collection device of electric energy, but also is a display element of the device. One of the high-voltage discharge tubes 4 is filled with inert gas, charged particles in the gas can collide with other particles in the gas to be dissociated under the action of a high-voltage electric field, and discharge current can be generated when the dissociated charged particles reach a certain degree, so that glow discharge occurs and bright light is emitted. The design of the high-pressure discharge vessel 4 is required to be durable and reliable.
(4) The screening device 5: the screening device 5 adopts a capacitor, and the effect of the capacitor is to eliminate the influence of a high-voltage electric field generated by other high-voltage electric equipment on the device, namely, the electrified display cannot be realized under the action of the electric field generated by other high-voltage electric equipment when the high-voltage electric equipment is not electrified, so that the display accuracy and the anti-interference capability of the device are improved.
(5) U-shaped metal jig 6: the U-shaped metal clamp 6 is used for fixing the device on high-voltage electrical equipment and preventing the device from falling. The U-shaped metal jig 6 is also a member for equipotential bonding of the device and the high-voltage electrical equipment, and connects one end of the high-voltage discharge tube 4 to a high potential. The suspended equipotential connection can ensure that when the display device goes wrong, the power system is not influenced, namely, additional burden is not brought to the high-voltage power transmission and distribution network.
The working principle is as follows:
as shown in fig. 3, one end of the high-voltage discharge tube 4 is connected to the high-voltage end of the high-voltage charged body 7, and the other end is grounded through the auxiliary electrode 3 and the air 8, so that a displacement current is generated under the action of an electric field around the high-voltage charged body 7, so that the high-voltage discharge tube 4 emits light to display that the high-voltage charged body 7 to be measured is charged;
the screening device 5 adopts a capacitor, and has the function of eliminating the influence of a high-voltage electric field generated by other high-voltage electric equipment on the device, namely, the electrified display cannot be realized under the action of the electric field generated by other high-voltage electric equipment when the connected high-voltage electric equipment is not electrified, so that the display accuracy and the anti-interference capability of the device are improved;
the convex lens 2 is fixed at the opening of the lampshade shell 1 to prevent dust from entering, and the convex lens 2 gathers light rays of the high-voltage discharge tube 4 towards the front and is matched with a reflective coating on the inner wall of the lampshade shell 1 for use, so that electrified display is brighter;
the auxiliary electrode 3 is fixed on the periphery of the inner wall of the lamp shade shell 1, so that the high-voltage discharge tube 4 is suspended in the air through the auxiliary electrode 3 and is in non-solid contact with the ground potential 9, and displacement current generated by an electric field forms a complete loop, thereby realizing gas discharge in the high-voltage discharge tube 4;
as shown in fig. 4 and 5, the high-voltage discharge tube 4 is designed into a dumbbell shape, the electrode spheres 42 at two ends form a bubble storage shape, and the spiral electrodes are placed in the electrode spheres 42, so that the defect that the space at two ends of a common discharge tube is small is overcome, the contact area between the spiral electrodes at two ends and gas is enlarged, and charged particles ionized by gas collision and electrons escaping from the metal surface are increased rapidly; the middle thin tube body 43 is thin, the density of the charged particles is improved in the process that the charged particles are from one end of the thin tube body 43 to the other end, the glow brightness of glow discharge can be improved, the dumbbell shape is designed, the device can sense an electric field more accurately and rapidly, the display intensity is improved, and the device can be suitable for indoor and outdoor scenes;
the U-shaped metal clamp 6 can fix the display device on the high voltage charged body 7, and connect the high voltage discharge tube 4 into the circuit as a conducting wire.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A passive high-voltage charged display device is characterized by comprising a lampshade shell, a convex lens, an auxiliary electrode, a high-voltage discharge tube, a screener and a U-shaped metal clamp;
the lampshade shell is a non-conductive closed shell with an opening at the front end, a convex lens is fixed at the opening, a high-voltage discharge tube and a screening device are installed in the lampshade shell, and a circle of conductive auxiliary electrodes are arranged on the periphery of the inner wall of the lampshade shell;
the U-shaped metal clamp consists of a U-shaped clamp and a fixed column, one end of the fixed column is fixed with one side of the U-shaped clamp, and the other end of the fixed column extends into and is fixed in the rear end of the lampshade shell;
the screening device is characterized in that the auxiliary electrode is electrically connected with one end of the high-voltage discharge tube, the other end of the high-voltage discharge tube is electrically connected with the U-shaped metal clamp, the U-shaped metal clamp is fixed on a high-voltage charged body to be tested through a U-shaped clamp, the screening device adopts a capacitor, and two ends of the capacitor are respectively electrically connected with the auxiliary electrode and the U-shaped metal clamp and are connected with the high-voltage discharge tube in parallel;
the high-voltage discharge tube is composed of two connecting electrodes, two spiral electrodes, two electrode spheres and a thin tube body, the two electrode spheres are connected through the thin tube body in a sealing mode to form a dumbbell shape, at least one gas of neon, argon, krypton and xenon is filled in the electrode spheres and the thin tube body, a spiral electrode is arranged in each electrode sphere, each spiral electrode is composed of a tungsten wire and a spiral nickel sheet, each spiral nickel sheet is bent into a spiral shape through a nickel sheet, one end of each tungsten wire is connected with the middle of each spiral nickel sheet, the other end of each tungsten wire is connected with the connecting electrode of the high-voltage discharge tube, and the connecting electrode seal extends out of the electrode spheres.
2. The passive high voltage live display device according to claim 1, wherein the inner wall of the lamp housing is provided with a light reflecting coating.
3. The passive high voltage live display device according to claim 1, wherein the high voltage discharge tube is formed by connecting 3 identical high voltage discharge tubes in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020916158.4U CN212808414U (en) | 2020-05-26 | 2020-05-26 | Passive high-voltage live display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020916158.4U CN212808414U (en) | 2020-05-26 | 2020-05-26 | Passive high-voltage live display device |
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| Publication Number | Publication Date |
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| CN212808414U true CN212808414U (en) | 2021-03-26 |
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| CN202020916158.4U Active CN212808414U (en) | 2020-05-26 | 2020-05-26 | Passive high-voltage live display device |
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| CN (1) | CN212808414U (en) |
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