An anti-interference device for preventing a user's electrical equipment from being disturbed by interference waves

Abstract

The application discloses an anti-interference device for preventing user electrical equipment from being disturbed by interference waves, which comprises a shell, a filter module, an ammeter and a voltmeter are internally arranged in the shell, the filter module is provided with a positive input end and a negative input end for signal input, a protection mechanism for protecting the positive input end and the negative input end is arranged on the side of the shell, the filter module comprises a digital signal processor (DSP), a diode D and a resistor R5 are connected in parallel to the output end of the digital signal processor, the input end of the digital signal processor is connected with the output end of a capacitor C5, and the output end of a resistor R4 is connected with the input end of the capacitor C5. The application can be conveniently installed without power outage operation, thereby saving a large amount of manpower, management and operation and maintenance cost, the current and voltage signals can be supervised in real time through the ammeter and the voltmeter, and the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of anti-interference technology, and in particular to an anti-interference device for preventing user electrical equipment from being disturbed by interference waves. BACKGROUND

[0002] Currently, some user meters cannot collect or upload data after collection, but after on-site equipment inspection, the equipment is in good condition, and through technical means detection, it is found that the user electrical equipment generates interference waves to interfere with the collection of carrier waves, thereby causing the user meter to be unable to collect or upload data after collection. At present, there is no device that can solve the interference problem caused by user electricity, and therefore long-term non-treatment will cause low meter reading rate of the transformer area, difficulty for the staff to handle, and inability to collect user electricity, etc. To solve the above problems, we propose an anti-interference device for preventing user electrical equipment from being disturbed by interference waves. SUMMARY

[0003] The purpose of the present application is to solve the problems existing in the prior art, and to provide an anti-interference device for preventing user electrical equipment from being disturbed by interference waves.

[0004] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0005] An anti-interference device for preventing user electrical equipment from being disturbed by interference waves, comprising a shell, a filter module, an ammeter and a voltmeter are installed inside the shell, the filter module is provided with a positive input end and a negative input end for signal input, a protection mechanism for protecting the positive input end and the negative input end is installed on the side of the shell, the filter module comprises a digital signal processor DSP, a diode D and a resistor R5 connected in parallel are connected to the output end of the digital signal processor DSP, two input ends of the digital signal processor DSP are connected in parallel with both ends of a capacitor C5, wherein the input end of the digital signal processor DSP connected with the input end of the capacitor C5 is connected with the output end of a resistor R3 and the output end of a capacitor C4, and the output end of the capacitor C5 is connected with the output end of a resistor R4, the input end of the resistor R3 is connected with the output end of a resistor R2, the input end of the capacitor C4 is connected with the output end of a capacitor C3, the input end of the capacitor C3 and the input end of the resistor R2 are both connected with the output end of a resistor R1, the input end of the resistor R1 is connected with the output end of an inductor L1, and the output end of a capacitor C1 is connected with the input end of the inductor L1.

[0006] Further, a wireless signal transceiver module, a positioning module and a touch screen are installed on the side of the shell, and the touch screen is electrically connected with the wireless signal transceiver module, the positioning module and the filter module respectively.

[0007] Further, the inside of the shell is internally mounted with a radiation measuring instrument, the radiation measuring instrument is electrically connected with the touch screen, the protection mechanism comprises a fixing seat, a screw rod and a protection cover, the fixing seat is fixed on the shell, the side of the fixing seat is penetrated through the screw rod through screw threads, and the protection cover is rotatably sleeved with one end of the screw rod.

[0008] Further, the positioning module is a GPS module, and the wireless signal transceiving module is a 433m wireless module.

[0009] Further, the ammeter and the voltmeter are connected with the output end of the digital signal processor (DSP) respectively.

[0010] Further, the input end of the resistor R4 is connected with the output end of the capacitor C2 and the output end of the inductor L2, and the input end of the capacitor C2 and the input end of the inductor L2 are connected between the inductor L1 and the resistor R1.

[0011] Further, the inductor L2 is 8mH, and the capacitor C2 is 0.1uF.

[0012] Further, the input end of the resistor R4 is connected with the negative input end, and the input end of the capacitor C1 is connected with the positive input end.

[0013] Further, the resistor R5 is 1kΩ, the resistor R4 is 0.5kΩ, the resistor R3 is 0.8kΩ, the resistor R2 is 0.05kΩ, the resistor R1 is 10kΩ, and the inductor L1 is 15mH.

[0014] Further, the capacitor C5 is 100pF, the capacitor C4 is 200pF, the capacitor C3 is 800pF, and the capacitor C1 is 300pF.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1、In the present application, the shielding layer can reduce external radiation, the radiation measuring instrument can detect radiation, ensure that the internal radiation environment is within a reasonable range, and avoid the influence of external radiation on internal detection; the wireless signal transceiving module can realize remote control and data transmission, improve the flexibility and convenience of operation; the positioning module can position each household, facilitate statistics and management; the touch screen is used for displaying measured parameters and arranging and processing parameters; the positive input end and the negative input end can be connected with external measurement signals; and the protection cover is used for protecting the positive input end and the negative input end.

[0017] 2、The application, through the setting of the capacitor C1 and the inductor L1, can filter according to the frequency of the interference wave, filter when the interference wave frequency is higher or lower than the carrier signal, reflect the high-frequency interference signal back to the interference source when the interference frequency is higher by using the impedance characteristic of the inductor L1, filter the interference wave by using the characteristic of the capacitor C1 passing high frequency and blocking low frequency when the interference frequency is lower, so that the interference wave generated by the user's electrical equipment can be filtered, without filtering the collected carrier, so as to solve the problem that the meter cannot collect or upload after collecting due to the interference wave generated by the user's electrical equipment, thereby improving the meter reading rate of the transformer area and improving the measurement accuracy of the customer's power consumption, without power outage operation and easy installation, thereby saving a large amount of manpower, management and operation and maintenance cost, and the ammeter and voltmeter can be used to supervise the current and voltage signals in real time, improving the detection accuracy. The other advantages, objects and features of the application will be described in the subsequent specification to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the application. The objects and other advantages of the application can be achieved and obtained by the following specification and the preceding claims. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the objects, technical solutions and advantages of the application clearer, the application will be further described in detail below with reference to the drawings, in which:

[0019] Figure 1 A structure diagram of an anti-interference device for preventing user electrical equipment from being disturbed by interference waves is provided for the application.

[0020] Figure 2 A structure diagram of a protection mechanism of an anti-interference device for preventing user electrical equipment from being disturbed by interference waves is provided for the application.

[0021] Figure 3 A structure diagram of a protection cover of an anti-interference device for preventing user electrical equipment from being disturbed by interference waves is provided for the application.

[0022] Figure 4 A composition block diagram of a filter module of an anti-interference device for preventing user electrical equipment from being disturbed by interference waves is provided for the application.

[0023] In the figure: 1 housing, 2 wireless signal transceiver module, 3 positioning module, 4 touch screen, 5 ammeter, 6 voltmeter, 7 filter module, 8 positive input end, 9 negative input end, 10 protection mechanism, 101 fixing seat, 102 screw rod, 103 protection cover, 11 shielding layer, 12 radiation measuring instrument. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0025] As shown in Figure 1 The anti-interference device for preventing user electrical equipment from being disturbed by interference waves comprises a shell 1, a filter module 7, an ammeter 5, and a voltmeter 6 are internally arranged in the shell 1, the filter module 7 is provided with a positive input end 8 and a negative input end 9 for signal input, a protection mechanism 10 for protecting the positive input end 8 and the negative input end 9 is arranged on the side of the shell 1, a wireless signal transceiving module 2, a positioning module 3, and a touch screen 4 are arranged on the side of the shell 1, the touch screen 4 is electrically connected with the wireless signal transceiving module 2, the positioning module 3, and the filter module 7 respectively, a radiation measuring instrument 12 is internally arranged in the shell 1, the radiation measuring instrument 12 is electrically connected with the touch screen 4, the positioning module 3 is a GPS module, and the wireless signal transceiving module 2 is a 433m wireless module.

[0026] Referring to Figure 2 , Figure 3 The protection mechanism 10 comprises a fixing seat 101, a screw rod 102, and a protection cover 103, the fixing seat 101 is fixed on the shell 1, the screw rod 102 is screwed through the side of the fixing seat 101, and the protection cover 103 is rotatably sleeved on one end of the screw rod 102.

[0027] Referring to Figure 4The filter module 7 comprises a digital signal processor (DSP), the output end of the digital signal processor (DSP) is connected with a diode (D) and a resistor (R5) in parallel, two input ends of the digital signal processor (DSP) are connected with two ends of a capacitor (C5) in parallel, wherein the input end of the digital signal processor (DSP) connected with the input end of the capacitor (C5) is connected with the output end of a resistor (R3) and the output end of a capacitor (C4), the output end of the capacitor (C5) is connected with the output end of a resistor (R4), the input end of the resistor (R3) is connected with the output end of a resistor (R2), the input end of the capacitor (C4) is connected with the output end of a capacitor (C3), the input end of the capacitor (C3) and the input end of the resistor (R2) are both connected with the output end of a resistor (R1), the input end of the inductor (L1) is connected with the output end of the resistor (R1), the input end of the inductor (L1) is connected with the output end of the capacitor (C1), the ammeter (5) and the voltmeter (6) are respectively connected with the output end of the digital signal processor (DSP), the input end of the resistor (R4) is connected with the output end of a capacitor (C2) and the output end of an inductor (L2), the input end of the capacitor (C2) and the input end of the inductor (L2) are connected between the inductor (L1) and the resistor (R1), the inductor (L2) is 8mH, the capacitor (C2) is 0.1uF, the input end of the resistor (R4) is connected with the negative input end (9), the input end of the capacitor (C1) is connected with the positive input end (8), the resistor (R5) is 1kΩ, the resistor (R4) is 0.5kΩ, the resistor (R3) is 0.8kΩ, the resistor (R2) is 0.05kΩ, the resistor (R1) is 10kΩ, the inductor (L1) is 15mH, the capacitor (C5) is 100pF, the capacitor (C4) is 200pF, the capacitor (C3) is 800pF, and the capacitor (C1) is 300pF.

[0028] Working principle:

[0029] In the application, the shielding layer 11 can reduce external radiation, the radiation measuring instrument 12 can detect radiation, the internal radiation environment is ensured to be within a reasonable range, and the influence of external radiation on internal detection is avoided; the wireless signal transceiver module 2 can realize remote control and data transmission, and the flexibility and convenience of operation are improved; the positioning module 3 can position each household, and is convenient for statistics and management; the touch screen 4 is used for displaying measured parameters and arranging and processing the parameters; the positive input end 8 and the negative input end 9 can be connected with external measurement signals; and the protective cover 103 is used for protecting the positive input end 8 and the negative input end 9.

[0030] After the signal is input, the interference wave can be filtered according to the frequency of the interference wave through the set capacitor C1 and inductor L1, and the interference wave is filtered when the frequency of the interference wave is higher or lower than the carrier signal, the high-frequency interference signal is reflected back to the interference source by using the impedance characteristic of the inductor L1 when the frequency of the interference wave is higher, and the interference wave is filtered by using the characteristic of the capacitor C1 passing high frequency and blocking low frequency when the frequency of the interference wave is lower; therefore, the interference wave generated by the user's electrical equipment can be filtered, and the carrier cannot be filtered and collected, so the problem that the meter cannot collect or upload after collecting due to the interference wave generated by the user's electrical equipment can be solved, and the meter reading rate of the transformer area and the measurement accuracy of the customer's power consumption can be improved, the power supply operation can not be stopped, and the installation is convenient, and a large amount of manpower, management and operation and maintenance cost can be saved, the current and voltage signals can be supervised in real time through the ammeter 5 and the voltmeter 6, and the detection accuracy is improved.

[0031] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments without departing from the principles and purposes of the present application within the scope of the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An anti-interference device for preventing a user's electrical equipment from being disturbed by an interference wave, comprising a housing (1), characterized in that, The inside of the shell (1) is internally mounted with a filter module (7), an ammeter (5), a voltmeter (6), the filter module (7) is provided with a positive input end (8) and a negative input end (9) of signal input, the side of the shell (1) is mounted with a protection mechanism (10) for protecting the positive input end (8) and the negative input end (9), the filter module (7) comprises a digital signal processor DSP, the output end of the digital signal processor DSP is connected with a diode D and a resistance R5 connected in parallel, two input ends of the digital signal processor DSP are connected with two ends of a capacitor C5 in parallel, wherein the input end of the digital signal processor DSP connected with the input end of the capacitor C5 is connected with the output end of a resistance R3 and the output end of a capacitor C4, and the output end of the capacitor C5 is connected with the output end of a resistance R4, the input end of the resistance R3 is connected with the output end of a resistance R2, the input end of the capacitor C4 is connected with the output end of a capacitor C3, the input end of the capacitor C3 and the input end of the resistance R2 are both connected with the output end of a resistance R1, the input end of the resistance R1 is connected with the output end of an inductor L1, the input end of the inductor L1 is connected with the output end of a capacitor C1, the input end of the resistance R4 is connected with the output end of a capacitor C2 and the output end of an inductor L2, the input end of the capacitor C2 and the input end of the inductor L2 are connected between the inductor L1 and the resistance R1, the input end of the resistance R4 is connected with the negative input end (9), and the input end of the capacitor C1 is connected with the positive input end (8).

2. The anti-jamming device for preventing user's electrical equipment from being disturbed by jamming wave according to claim 1, characterized in that, The side of the shell (1) is mounted with a wireless signal transceiver module (2), a positioning module (3) and a touch screen (4), the touch screen (4) is electrically connected with the wireless signal transceiver module (2), the positioning module (3) and the filter module (7) respectively.

3. The anti-jamming device for preventing user's electrical equipment from being disturbed by jamming wave according to claim 2, characterized in that, The inside of the shell (1) is internally mounted with a radiation measuring instrument (12), the radiation measuring instrument (12) is electrically connected with the touch screen (4), the protection mechanism (10) comprises a fixing seat (101), a screw rod (102) and a protective cover (103), the fixing seat (101) is fixed on the shell (1), the side of the fixing seat (101) is penetrated by the screw rod (102) through threads, and one end of the screw rod (102) is rotatably sleeved with the protective cover (103).

4. The anti-jamming device for preventing user's electrical equipment from being disturbed by jamming wave according to claim 2, characterized in that, The positioning module (3) is a GPS module, and the wireless signal transceiver module (2) is a 433m wireless module.

5. The anti-jamming device for preventing user's electrical equipment from being disturbed by jamming wave according to claim 1, characterized in that, The ammeter (5) and the voltmeter (6) are connected with the output end of the digital signal processor DSP respectively.

6. The anti-jamming device for preventing user's electrical equipment from being disturbed by jamming wave according to claim 1, characterized in that, The inductor L2 is 8mH, and the capacitor C2 is 0.1uF.

7. The anti-jamming device for preventing user's electrical equipment from being disturbed by jamming wave according to claim 1, characterized in that, The resistance R5 is 1kΩ, the resistance R4 is 0.5kΩ, the resistance R3 is 0.8kΩ, the resistance R2 is 0.05kΩ, the resistance R1 is 10kΩ, and the inductor L1 is 15mH.

8. The anti-jamming device for preventing user's electrical equipment from being disturbed by jamming wave according to claim 1, characterized in that, The capacitor C5 is 100pF, the capacitor C4 is 200pF, the capacitor C3 is 800pF, and the capacitor C1 is 300pF.

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