CN209805414U - Laminated sheet type surge voltage suppression filter - Google Patents

Abstract

The utility model discloses a stromatolite formula surge voltage suppression type wave filter, including filter housing, data display screen, transient state suppression diode, operating button, louvre, piezo-resistor, magnetic shield, circuit protection board, stromatolite formula inductance, air inlet net, peripheral hardware line connect hole and stromatolite formula condenser. When the working voltage has an instant high-voltage pulse, the voltage can be stabilized at a certain voltage value, the high-voltage pulse is recovered to an open circuit state to protect a circuit, the piezoresistor plays a role in preferential protection on the circuit, the high-voltage pulse has the advantages of ensuring large circulation capacity, quick action response and low residual voltage level, the laminated inductor and the laminated capacitor facilitate the filter to be converted into a laminated electric connection mode from a laminated insulation connection mode under the power-on condition, and the problem that the traditional EMI noise filter cannot suppress and filter surge voltage is solved.

Description

Laminated sheet type surge voltage suppression filter

Technical Field

The utility model relates to a wave filter specifically is a stromatolite formula surge voltage suppression type wave filter, belongs to circuit protection technical field.

Background

A surge voltage suppression filter, also called a surge protector and a lightning protector, is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines, and when spike current or voltage is suddenly generated in an electric loop or the communication line due to external interference, the surge protector can be conducted and shunted in a very short time, so that damages of surge to other equipment in the loop are avoided.

Although the surge voltage suppression type filter is widely applied to each circuit device, the surge voltage suppression type filter still has some problems in the actual use process, one is that the existing surge voltage suppression type filter cannot effectively filter the input direct current, and often has some electronic noise, the other is that the existing surge voltage suppression type filter has an insufficient effect on the suppression voltage, and generates a certain temperature and noise when suppressing the voltage, and the third is that each element in the existing surge voltage suppression type filter generates a certain magnetic field when in use, and the service life of each element is influenced after long-term use.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a multilayer chip surge voltage suppression filter in order to solve the above-mentioned problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a laminated sheet type surge voltage suppression filter comprises a filter shell, a data display screen, a transient suppression diode, an operation button, a heat dissipation hole, a piezoresistor, a magnetic isolation plate, a circuit protection plate, a laminated sheet type inductor, an air inlet net, an external line connection hole and a laminated sheet type capacitor; the filter shell is fixed on the outermost side of the device in a cuboid cavity structure, the data display screen is arranged above the control button in a cuboid shape and is positioned on the front surface of the filter shell, the transient suppression diode is arranged inside the filter shell and is positioned on the right side of the piezoresistor, the control button is arranged below the data display screen in parallel, the radiating holes are symmetrically distributed on two sides of the filter shell, the piezoresistors are distributed in a matrix shape and are arranged inside the filter shell, the magnetic isolation plate is fixed on the inner side of the laminated chip capacitor in a semi-surrounding structure, the circuit protection plate is arranged on the inner side of the filter shell and is positioned on the right upper side of the laminated chip inductor, the laminated chip inductor is arranged in the center inside of the filter shell, the air inlet net is arranged on the rear surface of the filter shell, and the peripheral wiring connecting holes are arranged, and it is located air inlet net top, the stromatolite piece formula condenser is fixed at the magnetic shield inboard.

Preferably, in order to ensure the normal operation of the electronic circuit, when the device works normally, the transient suppression diode is equivalent to an open circuit, when an instantaneous high-voltage pulse exists in the working voltage, the voltage can be stabilized at a certain voltage value, when the high-voltage pulse passes, the high-voltage pulse restores to an open circuit state to protect the circuit, and the transient suppression diode is electrically connected with the working circuit and is in a synchronous regulation relation with the working voltage.

Preferably, in order to protect the circuit preferentially and ensure large flow capacity, quick action response and low residual voltage level, the piezoresistor is fixed on the inner side of the filter shell close to the data display screen in a matrix arrangement mode through a welding connection mode.

Preferably, in order to isolate mutual influence of magnetic fields of the laminated inductor and the laminated capacitor during operation and prolong the service life of the device, the magnetic isolation plate is fixed on the inner side of the filter shell in a screw connection mode, and a connection through hole is formed below the magnetic isolation plate.

Preferably, in order to facilitate the filter to be converted from a stacked insulation connection mode to a stacked electrical connection mode under the power-on condition, and solve the problem that the conventional EMI noise filter cannot suppress and filter surge voltage, the stacked chip inductor and the stacked chip capacitor are electrically connected and are connected in series.

Preferably, in order to suppress and filter electronic noise and surge voltage included in the input dc signal, the multilayer chip capacitor is fixed to the inner side of the magnetic shield by a soldering connection.

The utility model has the advantages that: the laminated surge voltage suppression filter is reasonable in design, the transient suppression diode is electrically connected with a working circuit and synchronously adjusts the working voltage, so that the normal operation of an electronic circuit is ensured, when equipment normally works, the transient suppression diode is equivalent to an open circuit, when instantaneous high-voltage pulse exists in the working voltage, the voltage can be stabilized at a certain voltage value, when the high-voltage pulse passes, the high-voltage pulse restores the open circuit state to protect the circuit, the piezoresistor is fixed on the inner side, close to a data display screen, of the filter shell in a matrix arrangement mode through a welding connection mode to play a role in preferential protection on the circuit, the high circulation capacity, the quick action response and the low residual voltage level are ensured, the magnetic isolation plate is fixed on the inner side of the filter shell in a screw connection mode, a connecting through hole is arranged below the magnetic isolation plate, and the mutual influence of a laminated inductor and a magnetic field of the laminated capacitor when the laminated capacitor, the service life of the device is prolonged, the laminated chip inductor is electrically connected with the laminated chip capacitor, the laminated chip inductor and the laminated chip capacitor are connected in series, the filter is convenient to convert from a laminated insulation connection mode to a laminated electrical connection mode under the power-on condition, the problem that the traditional EMI noise filter cannot restrain and filter surge voltage is solved, the laminated chip capacitor is fixed on the inner side of the magnetic isolation plate through a welded connection mode, and the purpose of restraining and filtering electronic noise and surge voltage mixed in an input direct current signal is achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

Fig. 2 is a schematic view of the back structure of the present invention.

in the figure: 1. the device comprises a filter shell, 2, a data display screen, 3, a transient suppression diode, 4, an operation button, 5, a heat dissipation hole, 6, a piezoresistor, 7, a magnetic isolation plate, 8, a circuit protection plate, 9, a laminated inductor, 10, an air inlet net, 11, an external wiring connection hole, 12 and a laminated capacitor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a stacked chip surge voltage suppression filter includes a filter housing 1, a data display screen 2, a transient suppression diode 3, a control button 4, a heat dissipation hole 5, a voltage dependent resistor 6, a magnetic shield 7, a circuit protection board 8, a stacked chip inductor 9, an air inlet network 10, an external line connection hole 11, and a stacked chip capacitor 12; the filter housing 1 is fixed on the outermost side of the device in a cuboid cavity structure, the data display screen 2 is installed above the control button 4 in a cuboid shape and is located on the front surface of the filter housing 1, the data display screen 2 is AN-238W03D in model, the transient suppression diode 3 is installed inside the filter housing 1 and is located on the right side of the piezoresistor 6, the control button 4 is arranged below the data display screen 2 in parallel, the radiating holes 5 are symmetrically distributed on two sides of the filter housing 1, the piezoresistors 6 are distributed in a matrix shape and are arranged inside the filter housing 1, the magnetic isolation plate 7 is fixed on the inner side of the laminated chip capacitor 12 in a half-surrounding structure mode, the circuit protection plate 8 is installed on the inner side of the filter housing 1 and is located on the upper right side of the laminated chip inductor 9, the laminated chip inductor 9 is arranged in the center of the filter housing 1, the air inlet net 10 is arranged on the rear surface of the filter shell 1, the peripheral wiring connecting holes 11 are arranged on the rear surface of the filter shell 1 and located above the air inlet net 10, and the laminated chip capacitor 12 is fixed on the inner side of the magnetic isolation plate 7.

The transient suppression diode 3 is electrically connected with the working circuit and synchronously adjusts the working voltage to ensure the normal operation of the electronic circuit, when the equipment normally works, the transient suppression diode 3 is equivalent to an open circuit, when the working voltage has transient high-voltage pulse, the voltage can be stabilized at a certain voltage value, the high-voltage pulse passes, the high-voltage pulse restores the open circuit state to protect the circuit, the piezoresistor 6 is fixed at the inner side of the filter shell 1 close to the data display screen 2 in a welding connection mode according to a matrix arrangement mode to play a preferential protection role on the circuit and ensure large flow capacity, quick action response and low residual voltage level, the magnetic isolation plate 7 is fixed at the inner side of the filter shell 1 in a screw connection mode, and a connecting through hole is arranged below the magnetic isolation plate to isolate the mutual influence of magnetic fields of the laminated inductor 9 and the laminated capacitor 12 during working, prolonging device's life, stromatolite piece formula inductance 9 is electric connection with stromatolite piece formula condenser 12, and is series connection between the two, makes things convenient for this filter to convert the stromatolite electric connection mode into by the insulating connected mode of stromatolite under the circular telegram circumstances, solves traditional EMI noise filter and has the problem that can't realize restraineing and filtering to surge voltage, stromatolite piece formula condenser 12 passes through the welded connected mode to be fixed in the inboard of magnetic shield 7, has realized suppressing and filtering the purpose to the electronic noise and the surge voltage that mix with in the input direct current signal of telecommunication.

The working principle is as follows: when using the laminated surge voltage suppression type filter, it is first checked whether the internal components are operating normally, and then the filter is controlled to operate through the data display 2 and the manipulation button 4, wherein the voltage dependent resistor 6 is the first and second stages of circuit protection, and is conducted when the voltage applied to its two ends is higher than the voltage dependent voltage, and presents a low resistance value, even close to a short circuit state, and when the voltage higher than the voltage dependent voltage is removed, the filter recovers a high-resistance state, the transient suppression diode 3 is responsible for suppressing voltage and protecting the stability of an electronic circuit, the laminated chip inductor 9 and the laminated chip capacitor 12 facilitate the filter to be converted from a laminated insulation connection mode to a laminated electrical connection mode under the power-on condition, the problem that the traditional EMI noise filter cannot suppress and filter surge voltage is solved, therefore, the purposes of inhibiting and filtering electronic noise and surge voltage mixed in the input direct current signal are achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A laminated sheet type surge voltage suppression filter is characterized in that: the device comprises a filter shell (1), a data display screen (2), a transient suppression diode (3), an operation button (4), a radiating hole (5), a piezoresistor (6), a magnetic isolation plate (7), a line protection plate (8), a laminated inductor (9), an air inlet net (10), an external line connecting hole (11) and a laminated capacitor (12); the filter shell (1) is of a cuboid cavity structure and is fixed on the outermost side of the device, the data display screen (2) is of a rectangular shape and is installed above the control button (4), the data display screen is located on the front surface of the filter shell (1), the transient suppression diodes (3) are installed inside the filter shell (1) and are located on the right side of the piezoresistor (6), the control button (4) is arranged below the data display screen (2) in parallel, the radiating holes (5) are symmetrically distributed on two sides of the filter shell (1), the piezoresistor (6) is arranged in a matrix type distribution manner and is arranged inside the filter shell (1), the magnetic isolation plate (7) is of a semi-surrounding structure and is fixed on the inner side of the laminated chip capacitor (12), the line (8) is installed on the inner side of the filter shell (1) and is located above the laminated chip inductor (9), the laminated chip inductor (9) is arranged in the center of the interior of the filter shell (1), the air inlet net (10) is arranged on the rear surface of the filter shell (1), the peripheral line connection holes (11) are arranged on the rear surface of the filter shell (1) and located above the air inlet net (10), and the laminated chip capacitor (12) is fixed on the inner side of the magnetic isolation plate (7).

2. The stacked-chip surge-voltage suppressing filter as claimed in claim 1, wherein: the transient suppression diode (3) is electrically connected with the working circuit and is in synchronous regulation relation with the working voltage.

3. The stacked-chip surge-voltage suppressing filter as claimed in claim 1, wherein: the piezoresistors (6) are fixed on the inner side, close to the data display screen (2), of the filter shell (1) in a matrix arrangement mode through a welded connection mode.

4. The stacked-chip surge-voltage suppressing filter as claimed in claim 1, wherein: the magnetic isolation plate (7) is fixed on the inner side of the filter shell (1) in a screw connection mode, and a connecting through hole is formed below the magnetic isolation plate.

5. The stacked-chip surge-voltage suppressing filter as claimed in claim 1, wherein: the laminated chip inductor (9) is electrically connected with the laminated chip capacitor (12), and the laminated chip inductor and the laminated chip capacitor are connected in series.

6. The stacked-chip surge-voltage suppressing filter as claimed in claim 1, wherein: the laminated chip capacitor (12) is fixed on the inner side of the magnetic isolation plate (7) in a welding connection mode.