CN211351699U - Sine wave filter with overvoltage and overcurrent protection - Google Patents
Sine wave filter with overvoltage and overcurrent protection Download PDFInfo
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- CN211351699U CN211351699U CN201922279001.5U CN201922279001U CN211351699U CN 211351699 U CN211351699 U CN 211351699U CN 201922279001 U CN201922279001 U CN 201922279001U CN 211351699 U CN211351699 U CN 211351699U
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- overcurrent protection
- heat dissipation
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- overvoltage
- wave filter
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Abstract
The utility model belongs to the technical field of the filter equipment, specifically disclose a take sinusoidal wave filter of excessive pressure and overcurrent protection, including install bin, reactance subassembly, electric capacity subassembly, radiator unit, buffering subassembly, excessive pressure overcurrent protection device, PLC controlling means and alarm device, install the reactance subassembly through the buffering subassembly in the install bin, be provided with the electric capacity subassembly on the reactance subassembly, the install bin bilateral symmetry is provided with radiator unit, the install bin top is provided with excessive pressure overcurrent protection device, PLC controlling means and alarm device, excessive pressure overcurrent protection device includes current measuring device, pressure measuring device, recoverable fuse and switching device, recoverable fuse, side flow device and switching device establish ties in the circuit, the parallelly connected setting of pressure measuring device is in the circuit. The utility model discloses can be rapidly automatic disconnection circuit and carry out the alarm operation when overcurrent or overvoltage phenomenon appear in the circuit, effective protection wave filter, the practicality is strong.
Description
Technical Field
The utility model relates to a take overvoltage and overcurrent protection's sine wave filter belongs to filter equipment technical field.
Background
The existing output sine wave filter is usually a combination of a reactor and a capacitor, no capacitor switching protection exists, the capacitor is a vulnerable part, once current and voltage fluctuation occurs in a circuit, a capacitor component is easy to damage when working in an overvoltage or overcurrent state for a long time, and a large amount of heat is generated when the capacitor component and a reactance component work to affect the working performance of the capacitor component and the reactance component.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take sine wave filter of excessive pressure and overcurrent protection solves the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a sine wave filter with overvoltage and overcurrent protection comprises an installation box, a reactance component, a capacitance component, a heat dissipation component, a buffer component, an overvoltage and overcurrent protection device, a PLC control device and an alarm device, a reactance component is arranged in the installation box through a buffer component, a capacitance component is arranged on the reactance component, the two sides of the installation box are symmetrically provided with heat dissipation components, the top end of the installation box is provided with an overvoltage and overcurrent protection device, a PLC control device and an alarm device, the overvoltage and overcurrent protection device comprises a current measuring device, a voltage measuring device, a restorable fuse and a switch device, the restorable fuse, the current measuring device and the switching device are connected in series in a circuit, the voltage measuring device is arranged in the circuit in parallel, and the reactance component, the capacitor component, the heat dissipation component, the overvoltage and overcurrent protection device and the alarm device are electrically connected with the PLC control device.
Preferably, the heat dissipation assembly comprises heat dissipation windows, heat dissipation fans and dust screens, the heat dissipation windows are symmetrically arranged on two sides of the installation box and provided with the dust screens, and the heat dissipation fans are arranged on the inner sides of the heat dissipation windows.
Preferably, the buffering component comprises a damper, a spring and a mounting bottom plate, the mounting bottom plate is fixed to the bottom of the mounting box through the damper, the spring is sleeved on the damper, and the reactance component is fixed to the mounting bottom plate.
Preferably, the pressure measuring device is a resistor and a voltage sensor, and the resistor and the voltage sensor are connected in parallel.
Preferably, the current measuring device is a current sensor.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model belongs to the technical field of the filter equipment, specifically disclose a take sine wave filter of excessive pressure and overcurrent protection, overvoltage overcurrent protection device through setting can be when the circuit voltage current fluctuates automatic cutout circuit to carry out the warning operation and remind the staff, thereby effectively protect the filter, prolong the life of filter, be provided with buffer and heat abstractor and further guarantee the stable normal work of filter, the utility model discloses simple structure, convenient operation, the practicality is strong.
Drawings
Fig. 1 is a schematic view of the overvoltage and overcurrent protection device of the present invention;
FIG. 2 is a schematic structural view of the present invention;
in the figure: 1. installing a box; 2. a reactive component; 3. a capacitive component; 4. a heat dissipating component; 5. A buffer assembly; 6. an overvoltage and overcurrent protection device; 7. a PLC control device; 8. an alarm device; 9. a flow measuring device; 10. a pressure measuring device; 11. a resettable fuse; 12. a switching device; 13. a heat dissipation window; 14. a heat radiation fan; 15. a dust screen; 16. a damper; 17. a spring; 18. and (5) mounting a bottom plate.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-2, the present invention provides a technical solution: a sine wave filter with overvoltage and overcurrent protection comprises an installation box 1, a reactance component 2, a capacitance component 3, a heat dissipation component 4, a buffer component 5, an overvoltage and overcurrent protection device 6, a PLC (programmable logic controller) 7 and an alarm device 8, wherein the reactance component 2 is installed in the installation box 1 through the buffer component 5, the capacitance component 3 is arranged on the reactance component 2, the heat dissipation components 4 are symmetrically arranged on two sides of the installation box 1, the overvoltage and overcurrent protection device 6, the PLC control device 7 and the alarm device 8 are arranged at the top end of the installation box 1, the overvoltage and overcurrent protection device 6 comprises a current measuring device 9, a current measuring device 10, a restorable fuse 11 and a switch device 12, the restorable fuse 11, the current measuring device 9 and the switch device 12 are connected in series in a circuit, the voltage measuring device 10 is connected in parallel in the circuit, and the reactance component 2 and the capacitance component 3 are connected, The heat dissipation assembly 4, the overvoltage and overcurrent protection device 6 and the alarm device 8 are electrically connected with the PLC control device 7.
Further, the heat dissipation assembly 4 comprises heat dissipation windows 13, heat dissipation fans 14 and dust screens 15, wherein the heat dissipation windows 13 are symmetrically arranged on two sides of the installation box 1, the heat dissipation windows 13 are provided with the dust screens 15, and the heat dissipation fans 14 are arranged on the inner sides of the heat dissipation windows 13.
Further, the buffering component 5 comprises a damper 16, a spring 17 and a mounting base plate 18, the mounting base plate 18 is fixed to the bottom of the mounting box 1 through the damper 16, the spring 17 is sleeved on the damper 16, and the reactance component 2 is fixed to the mounting base plate 18.
Further, the pressure measuring device 10 is a resistor and a voltage sensor, and the resistor and the voltage sensor are connected in parallel.
Further, the current measuring device 9 is a current sensor.
The working principle is as follows: the utility model relates to a sine wave filter with overvoltage and overcurrent protection, when in use, a power supply is connected, if the voltage in the circuit is too high, a voltage sensor in a pressure measuring device 10 transmits a signal to a PLC control device 7, the PLC control device 7 controls a switch device 12 to break a circuit, and simultaneously controls an alarm device 8 to alarm and remind a worker to maintain, if the current in the circuit is too high, the circuit is also broken to alarm, thereby effectively protecting the filter and prolonging the service life of the filter, a damper 16 and a spring 17 in a buffer component 5 arranged at the bottom end of an installation box 1 can provide the buffer and damping effects of a reactance component 2 and a capacitance component 3, a heat radiation fan 14 arranged in a heat radiation device 13 at two sides of the installation box 1 can provide the heat radiation effects of the capacitance component 3 and the reactance component 2, a dust screen 15 arranged on a heat radiation window 13 can prevent dust from entering the installation box 1, prevent that the dust from piling up and influencing its working property on electric capacity subassembly 3 and reactance subassembly 2, the utility model discloses simple structure, convenient operation, the practicality is strong.
It is worth noting that: since the devices matched with the control buttons are common devices, which belong to the existing mature technology, the electrical connection relationship and the specific circuit structure are not described again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a take sine wave filter of overvoltage and overcurrent protection which characterized in that: the overvoltage and overcurrent protection device comprises an installation box (1), a reactance component (2), a capacitance component (3), a heat dissipation component (4), a buffer component (5), an overvoltage and overcurrent protection device (6), a PLC control device (7) and an alarm device (8), wherein the reactance component (2) is installed in the installation box (1) through the buffer component (5), the capacitance component (3) is arranged on the reactance component (2), the heat dissipation components (4) are symmetrically arranged on two sides of the installation box (1), the overvoltage and overcurrent protection device (6), the PLC control device (7) and the alarm device (8) are arranged at the top end of the installation box (1), the overvoltage and overcurrent protection device (6) comprises a current measuring device (9), a voltage measuring device (10), a restorable fuse (11) and a switch device (12), and the restorable fuse (11), the current measuring device (9) and the switch device (12) are connected in series in a circuit, the voltage measuring device (10) is arranged in the circuit in parallel, and the reactance component (2), the capacitance component (3), the heat dissipation component (4), the overvoltage and overcurrent protection device (6) and the alarm device (8) are electrically connected with the PLC control device (7).
2. The sine wave filter with over-voltage and over-current protection of claim 1, wherein: the heat dissipation assembly (4) comprises heat dissipation windows (13), heat dissipation fans (14) and dust screens (15), wherein the heat dissipation windows (13) are symmetrically arranged on two sides of the installation box (1), the dust screens (15) are arranged on the heat dissipation windows (13), and the heat dissipation fans (14) are arranged on the inner sides of the heat dissipation windows (13).
3. The sine wave filter with over-voltage and over-current protection of claim 1, wherein: buffer unit (5) include attenuator (16), spring (17) and mounting plate (18), mounting plate (18) are fixed in install bin (1) bottom through attenuator (16), the cover is equipped with spring (17) on attenuator (16), reactance subassembly (2) are fixed on mounting plate (18).
4. The sine wave filter with over-voltage and over-current protection of claim 1, wherein: the pressure measuring device (10) is a resistor and a voltage sensor which are connected in parallel.
5. The sine wave filter with over-voltage and over-current protection of claim 1, wherein: the current measuring device (9) is a current sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279001.5U CN211351699U (en) | 2019-12-17 | 2019-12-17 | Sine wave filter with overvoltage and overcurrent protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279001.5U CN211351699U (en) | 2019-12-17 | 2019-12-17 | Sine wave filter with overvoltage and overcurrent protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211351699U true CN211351699U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922279001.5U Active CN211351699U (en) | 2019-12-17 | 2019-12-17 | Sine wave filter with overvoltage and overcurrent protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211351699U (en) |
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2019
- 2019-12-17 CN CN201922279001.5U patent/CN211351699U/en active Active
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