Uniform electric field generator with adjustable polar plate spacing

Abstract

The utility model relates to a uniform electric field generator with adjustable polar plate spacing, which structurally comprises a base, a stand column, height adjusting devices and polar plates, the stand column is vertically arranged on the base, the number of the polar plates is two, each polar plate is supported and connected by at least two height adjusting devices, and the height adjusting devices are arranged on the stand column. The height adjusting device is movably connected to the stand column, and the polar plate is detachably connected with the height adjusting device through a clamping mechanism; the height adjusting device comprises a shell connected to the stand column in a sleeving mode and a locking and clamping mechanism arranged on the shell, and sliding connection and fixed connection between the shell and the stand column are achieved through opening and closing of the locking and clamping mechanism. According to the utility model, the distance between the two polar plates can be quickly adjusted, the convenience of experiment operation is improved, and researchers can easily and flexibly adjust the electric field intensity and distribution under different experiment requirements.

Description

Technical Field

[0001] The utility model relates to an electrical experimental device, in particular to a uniform electric field generator with adjustable plate spacing. Background Art

[0002] A uniform electric field is a special type of electric field in which the electric field strength and direction are the same at all points. This type of electric field can be generated by placing two adjacent, equal-sized, parallel metal plates facing each other. When the plates carry equal amounts of positive and negative charge, the electric field between them has the same magnitude and direction throughout its center, except near the edges. The parallel and uniform distribution of the field lines in a uniform electric field makes it very useful in many applications.

[0003] In a uniform electric field, the relationship between electric field strength and potential difference can be described by the formula E = U / d, where E is the electric field strength, U is the potential difference between two points, and d is the distance along the electric field lines. This relationship indicates that in a uniform electric field, the electric field strength is equal to the potential difference per unit length along the direction of the electric field strength.

[0004] As an important experimental equipment, uniform electric field generator is widely used in atmospheric electricity, lightning physics, electromagnetic environment simulation and many other aspects.

[0005] Traditional uniform electric field generators usually adopt a fixed-structure electrode design, which causes many inconveniences when changing the electric field strength by adjusting the distance between the electrodes. It is difficult to flexibly adjust the electric field strength to meet different experimental needs, which limits the depth and breadth of experimental research. Utility Model Content

[0006] The purpose of the utility model is to provide a uniform electric field generator with adjustable plate spacing, so as to solve the problem of inconvenience in adjusting the plate spacing of the existing uniform electric field generator.

[0007] The utility model is implemented as follows: a uniform electric field generator with adjustable plate spacing includes a base, a column, a height adjustment device and a plate, the column is vertically arranged on the base, there are two plates, each plate is supported and connected by at least two height adjustment devices, the height adjustment device is movably connected to the column, and the plate and the height adjustment device are detachably connected via a clamping mechanism; the height adjustment device includes a shell sleeved on the column and a locking mechanism arranged on the shell, and the sliding connection and fixed connection between the shell and the column are achieved by opening and closing the locking mechanism.

[0008] Furthermore, the locking mechanism includes a horizontal slot opened on one side of the shell, a vertical fixing column is provided in the middle of the slot, a first rotating clamp and a second rotating clamp are axially connected to the fixing column, the first rotating clamp and the second rotating clamp are arranged crosswise, the inner end of the first rotating clamp and the inner end of the second rotating clamp are used to contact the column, and a tension spring is provided between the outer end of the first rotating clamp and the outer end of the second rotating clamp.

[0009] Furthermore, a plurality of slots are evenly distributed along the axial direction on the surface of the column, and the inner ends of the first rotating clamp and the second rotating clamp are both sheet-shaped clamps, which can be clamped into the slots.

[0010] Furthermore, the clamping groove is a two-section arc groove or a complete circular groove, and the clamping plate is an arc-shaped structure.

[0011] Furthermore, a protruding operating portion is provided on the outer end of the first rotating clamp and the outer end of the second rotating clamp respectively.

[0012] Furthermore, the clamping mechanism is located outside the shell, including a horizontal placement plate, a connecting plate is provided above the placement plate, a vertical screw is threadedly connected to the connecting plate, a clamp is provided at the lower end of the screw, and a knob is provided at the upper end of the screw, the pole plate is placed on the placement plate and is clamped and fixed by the clamp.

[0013] Furthermore, there are four columns in total, and the four columns are respectively located at the four corners of the base.

[0014] Furthermore, anti-slip pads are respectively provided at the four corners of the lower surface of the base.

[0015] Furthermore, laser emitters are respectively provided on both sides of one of the pole plates, and laser receivers are provided at corresponding positions on both sides of the other pole plate. The laser emitters and laser receivers are connected to a distance measuring device.

[0016] The utility model can quickly adjust the position of the height adjustment device on the column through the locking mechanism, thereby adjusting the distance between the two plates, improving the convenience of experimental operation, and enabling researchers to easily and flexibly adjust the electric field strength and distribution under different experimental requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the present utility model.

[0018] Figure 2 It is a structural diagram of the height adjustment device and the clamping mechanism of the utility model.

[0019] Figure 3This is a structural diagram of the connection between the locking mechanism and the column of the utility model.

[0020] In the figure: 1. Base; 2. Column; 3. Plate; 4. Height adjustment device; 5. Clamping mechanism; 6. Anti-slip pad; 7. Laser transmitter; 8. Laser receiver; 2-1. Card slot; 4-1. Shell; 4-1-1. Notch; 4-2. Locking mechanism; 4-2-1. First rotating clamp; 4-2-2. Second rotating clamp; 4-2-3. Tension spring; 4-2-4. Fixed column; 4-2-5. Operating part; 4-2-6. Card plate; 5-1. Placement plate; 5-2. Connecting plate; 5-3. Screw; 5-4. Clamp; 5-5. Knob. DETAILED DESCRIPTION

[0021] The technical solution of the present utility model will be described below with reference to the accompanying drawings.

[0022] like Figure 1 As shown, the uniform electric field generator of the present invention mainly includes a base 1, a column 2, a height adjustment device 4 and a plate 3.

[0023] Among them, there are two pole plates 3, which are arranged horizontally. The two pole plates 3 are simultaneously installed on the column 2 and supported by the column 2. The column 2 is vertically arranged on the base 1. The pole plate 3 and the column 2 are connected through a height adjustment device 4 and a clamping mechanism 5. The height of the pole plate 3 is adjusted by the height adjustment device 4, and the pole plate 3 is quickly installed and disassembled by the clamping mechanism 5.

[0024] The plate 3 needs to be connected to a power source when in use, one is the positive pole and the other is the negative pole. A structure for connecting a power line is provided on the plate 3 (not shown in the figure). The structure can be a stud connected to the plate 3, and the terminal of the power line is fixed to the stud and the plate 3 by a nut.

[0025] like Figure 2 、 Figure 3 As shown, the height adjustment device 4 includes a shell 4-1 and a locking mechanism 4-2 arranged on the shell 4-1, the clamping mechanism 5 is located on the outside of the shell 4-1, the shell 4-1 is sleeved on the column 2, and the shell 4-1 can move up and down along the column 2, thereby driving the plate 3 installed on the clamping mechanism 5 to move up and down.

[0026] Among them, the shell 4-1 can be a square shell 4-1 or a cylindrical shell 4-1, and the upper and lower ends of the shell 4-1 can be provided with sealing plates or not. When sealing plates are provided, through holes are opened on the sealing plates to accommodate the passage of the columns 2.

[0027] The movable connection and fixed connection between the housing 4 - 1 and the column 2 are achieved by opening and closing the locking mechanism 4 - 2 .

[0028] Specifically, a horizontal slot 4-1-1 is provided on one side of the housing 4-1. A vertical fixing post 4-2-4 is disposed in the middle of the slot 4-1-1. A first rotating clamp 4-2-1 and a second rotating clamp 4-2-2 are axially connected to the fixing post 4-2-4. The first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 are arranged crosswise, forming an X-shape. The fixing post 4-2-4 passes through the middle of both the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2, allowing both the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 to rotate around the fixing post 4-2-4. The first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 pass through the notch 4-1-1, with their inner ends located inside the housing 4-1 and their outer ends located outside the housing 4-1. The outer ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 are used to control the rotation of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2, while the inner ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 are used to contact and connect with the column 2 through friction, snap-fit, etc. The notch 4-1-1 has a certain length to provide space for the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 to rotate around the fixed column 4-2-4.

[0029] The outer ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 move toward and away from each other in a manner consistent with the inner ends. A tension spring 4-2-3 is provided between the outer ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2. The tension spring 4-2-3 acts to move the outer ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 toward each other, thereby causing the inner ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 to move toward each other and clamp the column 2. When movement is required, the outer ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 are spread apart to move them away from each other, thereby also moving the inner ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 away from each other to release the column 2. After the locking mechanism 4-2 is disconnected from the column 2, it can be easily moved. After the outer ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 are released, the inner ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 re-clamp the column 2 due to the automatic reset effect of the tension spring 4-2-3.

[0030] The first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 are connected to the column 2 by friction, clamping or the like.

[0031] The direct contact connection can fix the electrode plate 3 at any position by means of friction fixation, so that the distance between the two electrode plates 3 can be adjusted to any size.

[0032] However, in order to ensure the firmness and stability of the connection between the locking mechanism 4 - 2 and the column 2 , preferably, a snap-on connection method is adopted.

[0033] Specifically, there are several card slots 2-1 evenly distributed along the axial direction on the surface of the column 2. The inner ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 are both sheet-shaped card plates 4-2-6. The thickness of the card plate 4-2-6 is slightly smaller than the width of the card slot 2-1, so that the card plate 4-2-6 can be inserted into the card slot 2-1.

[0034] Furthermore, the card slot 2-1 is a two-segment arc-shaped slot or a complete circular slot. When the card slot 2-1 is a two-segment arc-shaped slot, the position of the card slot 2-1 should just correspond to the position of the card plate 4-2-6.

[0035] The clamping plate 4-2-6 is an arc-shaped structure, thereby increasing the contact area between the inner ends of the first rotating clamp 4-2-1 and the second rotating clamp 4-2-2 and the column 2, and improving the stability and reliability of the contact.

[0036] In order to facilitate operation, a protruding operating portion 4-2-5 is provided at the outer end of the first rotating clamp 4-2-1 and the outer end of the second rotating clamp 4-2-2 respectively. The operator touches the operating portion 4-2-5 with his fingers and spreads the outer ends of the first rotating clamp 4-2-1 and the outer ends of the second rotating clamp 4-2-2 apart from each other.

[0037] In order to facilitate the determination of the spacing between the two plates 3, the distance between adjacent slots 2-1 on the column 2 is fixed, such as 0.5cm, 1cm, etc. The spacing between the plates 3 can be obtained according to the number of slots 2-1 between the two plates 3.

[0038] Furthermore, the dimensions can be marked on the uprights 2, and the spacing between the plates 3 can be obtained by direct reading and simple calculation. Furthermore, the heights of the four height adjustment devices 4 at the four corners can be quickly determined based on the dimension markings to determine whether the plates 3 are level and whether the two plates 3 are parallel to each other.

[0039] like Figure 2 As shown, the clamping mechanism 5 is located outside the housing 4-1 and includes a horizontal placement plate 5-1. A connecting plate 5-2 is provided above the placement plate 5-1. A vertical screw 5-3 is threadedly connected to the connecting plate 5-2. A clamping plate 5-4 is provided at the lower end of the screw 5-3, and a knob 5-5 is provided at the upper end of the screw 5-3. The clamping plate 5-4 is moved closer to or away from the placement plate 5-1 by rotating the knob 5-5. When in use, the electrode plate 3 is placed on the placement plate 5-1 and then clamped and fixed by the clamping plate 5-4.

[0040] Among them, the upper surface of the placement plate 5-1 and the lower edge of the slot 4-1-1 are at the same height. When the card plate 4-2-6 is clamped in the card slot 2-1, the electrode plate 3 located on the upper surface of the placement plate 5-1 is at a height corresponding to that of the card slot 2-1.

[0041] The present invention has at least two columns 2, and the electrode plate 3 can be supported by the two columns 2. In order to ensure the stability of the electrode plate 3, preferably, there are four columns 2, and the four columns 2 are respectively located at the four corners of the base 1. The four corners of each electrode plate 3 are fixed by a clamping mechanism 5, and the height is adjusted by four height adjustment devices 4 at the four corners.

[0042] Anti-slip pads 6 are provided at the four corners of the lower surface of the base 1 .

[0043] In the present invention, except for the electrode plate 3, the base 1, anti-slip pad 6, column 2, height adjustment device 4, clamping device, etc. are generally made of non-metallic materials and non-conductive materials to minimize the impact on the uniform electric field.

[0044] In one embodiment of the present invention, in order to further ensure that the two plates 3 are parallel to each other in the experiment, laser emitters 7 are respectively provided on both sides of one plate 3, and laser receivers 8 are provided at corresponding positions on both sides of the other plate 3. The laser emitter 7 and the laser receiver 8 are connected to a distance measuring device. When the laser receiver 8 can receive the laser emitted by the laser emitter 7 and the distance between the two plates 3 is basically equal through calculation, it can be considered that the two plates 3 are parallel to each other.

[0045] When in use, adjust the upper and lower sets of height adjustment devices 4 to the same height, install the two electrode plates 3 on the two sets of height adjustment devices 4 respectively, connect the two electrode plates 3 to the positive and negative poles of the power supply through wires respectively, and adjust the position of the height adjustment device 4 on the column 2 through the locking mechanism 4-2, so as to adjust the distance between the two electrode plates 3. After adjusting the distance between the two electrode plates 3, carry out subsequent experimental operations.

[0046] The utility model can conveniently and quickly adjust the distance between the two electrode plates 3, thereby improving the convenience of experimental operation and enabling researchers to easily and flexibly adjust the electric field strength and distribution under different experimental requirements.

Claims

1. A uniform electric field generator with adjustable plate spacing, characterized in that: It includes a base, a column, a height adjustment device and a plate. The column is vertically arranged on the base. There are two plates, each of which is supported and connected by at least two height adjustment devices. The height adjustment device is movably connected to the column. The plate and the height adjustment device are detachably connected through a clamping mechanism. The height adjustment device includes a shell that is sleeved on the column and a locking mechanism arranged on the shell. The sliding connection and fixed connection between the shell and the column are realized by opening and closing the locking mechanism.

2. The uniform electric field generator with adjustable plate spacing according to claim 1, characterized in that: The locking mechanism includes a horizontal slot opened on one side of the shell, a vertical fixing column is provided in the middle of the slot, a first rotating clamp and a second rotating clamp are axially connected to the fixing column, the first rotating clamp and the second rotating clamp are arranged crosswise, the inner end of the first rotating clamp and the inner end of the second rotating clamp are used to contact the column, and a tension spring is provided between the outer end of the first rotating clamp and the outer end of the second rotating clamp.

3. The uniform electric field generator with adjustable plate spacing according to claim 2, characterized in that: A plurality of card slots are evenly distributed along the axial direction on the surface of the column. The inner ends of the first rotating clamp and the second rotating clamp are both sheet-shaped card plates, and the card plates can be inserted into the card slots.

4. The uniform electric field generator with adjustable plate spacing according to claim 3, characterized in that: The clamping groove is a two-section arc groove or a complete circular groove, and the clamping plate is an arc-shaped structure.

5. The uniform electric field generator with adjustable plate spacing according to claim 2, characterized in that: A protruding operating portion is respectively provided on the outer end of the first rotating clamp and the outer end of the second rotating clamp.

6. The uniform electric field generator with adjustable plate spacing according to claim 1, characterized in that: The clamping mechanism is located outside the shell, and includes a horizontal placement plate. A connecting plate is provided above the placement plate. A vertical screw is threadedly connected to the connecting plate. A clamping plate is provided at the lower end of the screw. A knob is provided at the upper end of the screw. The pole plate is placed on the placement plate and clamped and fixed by the clamping plate.

7. The uniform electric field generator with adjustable plate spacing according to claim 1, characterized in that: There are four columns in total, and the four columns are respectively located at the four corners of the base.

8. The uniform electric field generator with adjustable plate spacing according to claim 1, characterized in that: Anti-slip pads are respectively provided at the four corners of the lower surface of the base.

9. The uniform electric field generator with adjustable plate spacing according to claim 1, characterized in that: Laser emitters are respectively arranged on both sides of one of the pole plates, and laser receivers are respectively arranged at corresponding positions on both sides of the other pole plate. The laser emitters and the laser receivers are connected to a distance measuring device.

Images