CN217180980U - Broadband transient voltage coupler for measuring field signals - Google Patents
Broadband transient voltage coupler for measuring field signals Download PDFInfo
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- CN217180980U CN217180980U CN202123249112.5U CN202123249112U CN217180980U CN 217180980 U CN217180980 U CN 217180980U CN 202123249112 U CN202123249112 U CN 202123249112U CN 217180980 U CN217180980 U CN 217180980U
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- voltage coupler
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Abstract
The utility model relates to a broadband transient voltage coupler for measuring site signal, including shell (1), set up in coupling mechanism in shell (1) and set up on shell (1) with waterproof socket (10) that coupling mechanism connects, coupling mechanism is including apron (5), last PCB board (7), condenser, lower PCB board (4) and base (9) that set gradually from top to bottom, the condenser is including the capacitive element and the attenuator that are connected, capacitive element is parallelly connected by a plurality of electric capacity and forms, waterproof socket (10) are connected with the condenser, go up between PCB board (7) and lower PCB board (4) through insulating fastening bolt (8) fixed connection. Compared with the prior art, the utility model has the advantages of application range is wide, waterproof dustproof.
Description
Technical Field
The utility model relates to a voltage control equipment especially relates to a broadband transient state voltage coupler for measuring field signal.
Background
With the development of economy and society, the scale of the power grid becomes larger and the structure of the power grid becomes more and more complex. When the power grid is in normal operation, the voltage of the power grid is usually stabilized within a certain normal range to ensure that the load supplied by the power grid can work in an optimal state. However, various interference factors often occur in the operation process of the power grid, so that the voltage of the power grid fluctuates, and when the voltage fluctuation amplitude is too large and exceeds a normal range, a lot of adverse effects are brought to a power supply load. For example, when a short-circuit fault occurs in the system or a large amount of loads are suddenly connected, the voltage of the power grid is reduced, and the abnormally low voltage can cause equipment on the production line to fail to work normally, so that products are scrapped, and even the equipment can be damaged, so that the production is stopped. Therefore, measures are taken to ensure that the load is always supplied with stable and uninterrupted power, and the transient voltage coupler is a common device for solving the above problems.
The traditional transient voltage coupler should meet the requirements of water and dust prevention, electric shielding, drop and pull resistance, stability, easy placement and the like. The output end of the original transient voltage coupler is connected with a coaxial cable Q9 connector, which is not optimal and has no functions of water resistance, electromagnetic shielding and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that above-mentioned prior art exists and provide a wide range of use, waterproof dirt-proof be used for measuring on-the-spot signal's broadband transient voltage coupler.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a broadband transient voltage coupler for measuring site signal, including the shell, set up in coupling mechanism in the shell and set up on the shell with the waterproof socket that coupling mechanism connects, coupling mechanism is including the apron that sets gradually from top to bottom, last PCB board, condenser, lower PCB board and base, the condenser is including the capacitive element and the attenuator that are connected, capacitive element is formed by a plurality of electric capacity are parallelly connected, waterproof socket is connected with the condenser, go up through insulating fastening bolt fixed connection between PCB board and the lower PCB board.
Furthermore, the damper is a single resistor, and two ends of the resistor are respectively connected with the upper PCB and the lower PCB.
Furthermore, the capacitors are uniformly and symmetrically arranged from the center to the center of the circumference, and two ends of each capacitor are respectively connected with the upper PCB and the lower PCB.
Furthermore, foam copper is arranged between the upper PCB and the cover plate and between the lower PCB and the base.
Furthermore, shallow grooves for placing the foam copper are formed in the cover plate and the base.
Furthermore, the upper PCB and the lower PCB are symmetrical porous circular thin circuit boards with copper-coated and tin-sprayed full surfaces.
Further, the shell is an aluminum alloy shell.
Further, the bottom of the shell is provided with a magnetic attraction fixer.
Further, the base is a U-shaped base.
Further, the insulating fastening bolt is a nylon column fastening bolt.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the capacitor element in the broadband transient voltage coupler of the utility model is formed by connecting a plurality of capacitors in parallel, has exquisite size and minimal influence on frequency response,
2. the utility model discloses a waterproof nature connects, consequently can be effectively waterproof, especially is suitable for in special occasions such as humidity, enlarges application range.
3. The utility model discloses lead wire design edgewise draws out and to go out can be effectual waterproof, measures the field signal to the engineering and plays crucial effect, can effectively catch multifrequency section signal.
4. The utility model discloses structural plus aluminum alloy casing can be effectual waterproof, electromagnetic shielding.
5. The utility model has the advantages of waterproof, dustproof, electric shielding, falling resistance, pull resistance, stability, easy placement and the like
Drawings
Fig. 1 is an external view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
FIG. 3 is a schematic view of a PCB board according to the present invention;
fig. 4 is a schematic view of the installation of the capacitor element of the present invention;
fig. 5 is a schematic cross-sectional view of the capacitor device of the present invention;
fig. 6 is an electrical topology of the capacitor of the present invention;
in the figure, the device comprises a shell 1, a shell 2, a capacitor 3, a gasket 4, a lower PCB 5, a cover plate 6, a resistor 7, an upper PCB 8, an insulating fastening bolt 9, a base 10, a waterproof socket 11 and a magnetic attraction fixer.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-2, the present embodiment provides a broadband transient voltage coupler for measuring a field signal, which includes a housing 1, a coupling mechanism disposed in the housing 1, and a waterproof socket 10 disposed on the housing 1 and connected to the coupling mechanism, wherein the coupling mechanism includes a cover plate 5, an upper PCB 7, a capacitor, a lower PCB 4, and a base 9, which are sequentially disposed from top to bottom, the capacitor includes a capacitor element and a damper connected to each other, the capacitor element is formed by connecting a plurality of capacitors in parallel, the waterproof socket 10 serves as an output end and is connected to the capacitor, and the upper PCB 7 and the lower PCB 4 are fixedly connected to each other by an insulating fastening bolt 8. In this embodiment, the housing 1 is an aluminum alloy housing, the base 9 is a U-shaped base, and the insulating fastening bolt 8 is a nylon column fastening bolt. The design of the base 9 and the cover plate 5 can improve the structural strength and the electrical connection performance of the capacitor.
In this embodiment, the waterproof socket 10 as the output end is led out from the side to be more waterproof effectively, and plays a key role in measuring field signals in engineering.
In the outdoor working process of the sensor, when the sensor meets rainfall weather, rainwater enters the equipment, the aging of the insulating material of the sensor can be accelerated, and the electrical fault occurs after the insulation is damaged. Being in moist environment for a long time, terminal mouth socket is inside can milden and rot, and contact pin and jack junction can corrode, oxidation, resistance grow, influences the normal transmission of parameter information. Therefore, the input of broadband transient voltage coupler also sets up waterproof socket among this embodiment, can effectively avoid above-mentioned dangerous condition and improve equipment's accuracy.
In this embodiment, the foam copper 3 is disposed between the upper PCB 7 and the cover plate 5 and between the lower PCB 4 and the base 9. Shallow slots for placing the foam copper 3 are arranged on the cover plate 5 and the base 9 to ensure the deformation space. This embodiment adopts the foamy copper material to guarantee that the contact fully flows in even current, reduces the inductance.
In this embodiment, the upper PCB 7 and the lower PCB 4 are symmetrical porous circular thin circuit boards with copper-coated and tin-coated full surfaces, as shown in fig. 3. The circuit board has an edge sealing design, a corrosion-free process, electric corrosion reduction and inductance reduction.
In the embodiment, the PCB is a symmetrical porous circular thin sheet, the diameter of the circuit board is 140mm, 1 circle of resistor mounting holes and 1 circle of fixing holes are designed, tin spraying is carried out after the whole surface of the circuit board is coated with copper, the thickness of the coated copper is 70um, after resistance welding, the surface of the PCB is in compression joint with a foam copper sheet, the foam copper sheet is arranged between an end cover (comprising a cover plate 5 or a base 9, which are both made of aluminum) and the PCB, the flow capacity of the PCB is improved, and the resistance between the PCB and the circuit board is reduced. The two PCB circuit boards are fixed through an M5 multiplied by 6 insulation stud, one end of the stud is an M5 multiplied by 6 external thread, the other side of the stud is an M5 multiplied by 6 internal thread, the external thread penetrates through the PCB circuit boards and is fixed on the lower bottom plate, the lower bottom plate is electrically and mechanically connected with the high-voltage end of the capacitor through a connecting piece, and the high-voltage end copper stud penetrates through the connecting piece and is connected with a side signal output terminal of the capacitor.
In this embodiment, the damper is a single resistor 6, and two ends of the resistor 6 are respectively connected to the upper PCB 7 and the lower PCB 4. The resistance value of a single resistor is 50 omega, and when the resistor is used, the conducting wires at two ends of the resistor are as short as possible so as to reduce stray inductance.
In this embodiment, a plurality of capacitors are uniformly and symmetrically arranged from the circumference to the center, and two ends of each capacitor are respectively connected to the upper PCB board 7 and the lower PCB board 4, as shown in fig. 3 to 5. The inner ring of the capacitor element is provided with a transition piece which is connected with a high-voltage end copper stud and a signal output terminal, and the outer ring of the capacitor element is provided with an insulating stud auxiliary structure for connection. The capacitance value of a single capacitor is 8.2uF, the actual capacitance value of the capacitor at normal temperature is 49.2uF, and the electrical topology of the capacitor is shown in FIG. 6.
The capacitor adopts pure film capacitor, the thermal characteristic is the same as CVT capacitor, and the temperature self-compensation is realized
In a preferred embodiment, the capacitors are arranged in double layers, closely stacked, reducing inductance.
In the preferred embodiment mode, the cover plate 5 and the base 9 are provided with grooves for fixing a nylon outer sleeve to protect internal elements, and the cover plate 5 and the nylon outer sleeve are fixed by horizontal screws to form a 'ten' fixing gap-free structure, so that the device is suitable for a long-term vibration environment.
In a preferred embodiment mode, a magnetic attraction fixer 11 is arranged at the bottom of the shell 1.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a broadband transient voltage coupler for measuring field signal, its characterized in that, including shell (1), set up in coupling mechanism in shell (1) and set up on shell (1) with waterproof socket (10) that coupling mechanism connects, coupling mechanism is including apron (5) that from top to bottom set gradually, go up PCB board (7), condenser, lower PCB board (4) and base (9), the condenser is including the capacitive element and the attenuator that are connected, capacitive element is parallelly connected by a plurality of electric capacity and forms, waterproof socket (10) are connected with the condenser, go up PCB board (7) and through insulating fastening bolt (8) fixed connection down between PCB board (4).
2. Broadband transient voltage coupler for measuring field signals according to claim 1, characterized in that said damper is a single resistor (6), said resistor (6) being connected at both ends to said upper PCB board (7) and lower PCB board (4), respectively.
3. The broadband transient voltage coupler for measuring a field signal according to claim 1, wherein said plurality of capacitors are arranged symmetrically and uniformly in a circle-to-center manner, and both ends of each capacitor are connected to said upper PCB (7) and said lower PCB (4), respectively.
4. Broadband transient voltage coupler for measuring field signals according to claim 1, characterized in that a copper foam (3) is arranged between the upper PCB board (7) and the cover plate (5) and between the lower PCB board (4) and the base plate (9).
5. The broadband transient voltage coupler for measuring a field signal according to claim 4, wherein said cover plate (5) and said base plate (9) are formed with shallow grooves for receiving said copper foam (3).
6. The broadband transient voltage coupler for measuring a field signal according to claim 1, wherein said upper PCB (7) and lower PCB (4) are symmetrical perforated circular sheet circuit boards with full surface copper and tin coated.
7. The broadband transient voltage coupler for measuring a field signal according to claim 1, wherein said outer shell (1) is an aluminum alloy outer shell.
8. Broadband transient voltage coupler for measuring field signals according to claim 1, characterized in that a magnetically attractive holder (11) is arranged at the bottom of the housing (1).
9. Broadband transient voltage coupler for measuring field signals according to claim 1, characterized in that said base (9) is a U-shaped base.
10. Broadband transient voltage coupler for measuring field signals according to claim 1, characterized in that the insulating fastening bolt (8) is a nylon-pillar fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123249112.5U CN217180980U (en) | 2021-12-22 | 2021-12-22 | Broadband transient voltage coupler for measuring field signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123249112.5U CN217180980U (en) | 2021-12-22 | 2021-12-22 | Broadband transient voltage coupler for measuring field signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217180980U true CN217180980U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123249112.5U Active CN217180980U (en) | 2021-12-22 | 2021-12-22 | Broadband transient voltage coupler for measuring field signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217180980U (en) |
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2021
- 2021-12-22 CN CN202123249112.5U patent/CN217180980U/en active Active
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