CN101752825A - Constant-value signal control circuit - Google Patents

Constant-value signal control circuit Download PDF

Info

Publication number
CN101752825A
CN101752825A CN200810069054A CN200810069054A CN101752825A CN 101752825 A CN101752825 A CN 101752825A CN 200810069054 A CN200810069054 A CN 200810069054A CN 200810069054 A CN200810069054 A CN 200810069054A CN 101752825 A CN101752825 A CN 101752825A
Authority
CN
China
Prior art keywords
rectifier diode
relay
triode
positive pole
negative pole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200810069054A
Other languages
Chinese (zh)
Inventor
张茗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUIZHOU YONG YUE TECHNOLOGY Co Ltd
Original Assignee
GUIZHOU YONG YUE TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GUIZHOU YONG YUE TECHNOLOGY Co Ltd filed Critical GUIZHOU YONG YUE TECHNOLOGY Co Ltd
Priority to CN200810069054A priority Critical patent/CN101752825A/en
Publication of CN101752825A publication Critical patent/CN101752825A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

The invention discloses a constant-value signal control circuit which is characterized in that the constant-value signal control circuit consists of capacitors (C1-C4), relay switches (K1-K3), resistors (R1-R6), rectifier diodes (D1-D8), a relay control coil (L1), a relay control coil (L3), an inductor (L2), a reverse isolation tube (D9), a rechargeable reserve power supply (BAT1), a triode (DG1) and a triode (DG2). The constant-value signal control circuit can perform lightning protection and high voltage prevention without ground wire, has no avalanche effects of varistor material in lightning stoke and can automatically operate and be reused.

Description

Constant-value signal control circuit
Technical field
The invention belongs to a kind of anti-lightning strike anti-high-tension circuit, particularly a kind of constant-value signal control circuit.
Background technology
The thunderbolt that existing power supply and signal etc. are entered by lead, its lightning protection facility all is by earthing device the earth leakage current to be reached lightning-arrest purpose, adopt bypass over the ground the conducting theoretical direction of releasing divide into the lightning-protected product that family planning produces and can have ground wire: its shortcoming is:
1, Zinc-oxide piezoresistor is not polyphone but and is connected between electrical network 220V zero, the live wire.Therefore, still can attack power consumption equipment, make it fragile, be difficult to realize the purpose of lightning protection from the thunderbolt electricity that outdoor input lead imports into.
2, piezo-resistance belongs to disposable use components and parts.After being struck by lightning, the resistance of piezo-resistance can descend and can not restore automatically, it is underground that simultaneously the piezo-resistance of the type does not belong to the standing element and the product technology of various electrical maintenance department, and the user is difficult to repair, reuse, and causes breakdown rate, spoilage all very high.
3, the thunder-strike current by piezo-resistance carries out ground discharge by ground wire, and for guaranteeing safe discharge, ground wire requires to have very little resistance.But ground wire easily increases resistance because of corrosion, and then makes the lightning protection effect variation, and this fault is difficult for looking for and stays hidden danger, and the user uses this product not have safety guarantee.
4, existing lightning-protected product power consumption is big, when many users use this series products, easily makes the short circuit simultaneously of electrical network three-phase firewire when thunderbolt, causes the damage of electric power facility.
5, common zero line is successively blown in the short short circuit meeting that causes of natural force, and at this moment, each custom power table Inside coil mutual conduction must make the 220V low voltage electric network become the high-voltage fence of 380V, causes power consumption equipment to damage.And existing all kinds of lightning-protected product all is and connect and to be connected across zero, between the live wire, not have the function of automatic disconnection voltage to cause the damage of power consumption equipment.
Existing anti-lightning strike anti-high-tension circuit uses the pressure sensitive structure, will produce " snowslide " effect when the thunderbolt electricity arrives, and causes circuit the design defect of " short-circuit protection " to occur, can't accomplish to move automatically reusable effect especially.
Chinese patent publication number CN1753129 discloses a kind of " special equipment for no ground electrode lightening proof ", can prevent thunderbolt and electrical network high pressure out of control when not damaging original current/voltage and signal frequency carrier.Electricity and online high pressure out of control can be eliminated thunderbolt electricity and high-tension electricity arcing by " cascade thunder and lightning arc-extinguishing electrical discharger " (China Patent No. 200620109658.7) when being struck by lightning.
Summary of the invention
The object of the present invention is to provide does not a kind ofly have the anti-lightning strike anti-high pressure of ground wire and can move reusable constant-value signal control circuit automatically.
Constant-value signal control circuit of the present invention, by capacitor C 1-C4, relay switch K1-K3, resistance R 1-R6, rectifier diode D1-D8, relay control coil L1, relay control coil L3, inductance L 2, swing to isolated tube D9, chargeable redundant electrical power BAT1, triode DG1, triode DG2 forms; Zero line input A is connected with the positive pole of zero line output E, rectifier diode D5, the negative pole of rectifier diode D6, the positive pole of rectifier diode D1, the negative pole of rectifier diode D2; Live wire input B is connected with the normally closed input of relay switch K1; The positive pole of rectifier diode D2 is connected with the positive pole of rectifier diode D3, the end of relay control coil L1, the positive pole of rectifier diode D6, the positive pole of rectifier diode D7, the E utmost point of triode DG1, the C utmost point of triode DG2, the negative pole of chargeable redundant electrical power BAT1; The other end of relay control coil L1 is connected with the negative pole of rectifier diode D1, the negative pole of rectifier diode D4 by series resistance R1; The positive pole of rectifier diode D4 is connected with the negative pole of rectifier diode D3; The positive pole of rectifier diode D4 is connected with the normally closed output of relay switch K1, the normally closed input of relay switch K3 with series resistance R2 by series inductance L2; The negative pole of the normally closed output of relay switch K2 and the negative pole of rectifier diode D5, rectifier diode D8, the end of relay control coil L3, the negative pole of swinging to isolated tube D9 are connected; The positive pole of chargeable redundant electrical power BAT1 is connected with the positive pole of swinging to isolated tube D9, is connected with the normally closed output of relay switch K2 by series resistance R4; The other end of relay control coil L3 is connected with the E utmost point of triode DG2 by series resistance R6; The B utmost point of triode DG2 is connected with the C utmost point of triode DG1 by series resistance R5; The B utmost point of triode DG1 is connected with the output of often opening of relay switch K2 by series resistance R3; The positive pole of rectifier diode D8 is connected with the negative pole of rectifier diode D7; The normally closed output of relay switch K3 is connected with live wire output F; Capacitor C 1 is connected across between the positive pole of the negative pole of rectifier diode D1 and rectifier diode D2; Capacitor C 2 is connected across between the positive pole of the normally closed input of relay switch K2 and rectifier diode D2; Capacitor C 3 is connected across between the negative pole of the normally closed output of relay switch K1 and rectifier diode D7; Capacitor C 4 is connected across between the positive pole of the negative pole of rectifier diode D5 and rectifier diode D7.
Above-mentioned constant-value signal control circuit, wherein: form a two keys relay by relay control coil L1, relay switch K1, relay switch K2.Also available two hilted broadsword relays are replaced, and can or increase by one group of detection electric bridge with the inductance serial connection of two hilted broadsword relays, to realize the synchronous operation of two hilted broadsword relays.
Above-mentioned constant-value signal control circuit, wherein: triode BG1, triode BG2 and relay control coil L3, relay switch delay control circuit that K3 forms, can be by model that changes triode or the time-delay control and the change of changing a kind of connected mode realization relay running status in addition.
Above-mentioned constant-value signal control circuit, wherein: chargeable redundant electrical power BAT1, can also adopt the capacity that increases C4 or increase transformer-coupled mode and replace.
The present invention compared with prior art, owing to adopted such scheme, when be struck by lightning electricity and online high pressure out of control can produce the current/voltage elimination of arcing by " cascade thunder and lightning arc-extinguishing electrical discharger " in the background technology after, be connected with zero line input A of the present invention, live wire input B again, through the cooperation control of rectification circuit and relay, thereby reach the purpose of anti-lightning strike anti-electrical network high pressure out of control automatically.
Description of drawings
Accompanying drawing circuit theory diagrams of the present invention.
Mark among the figure:
C1-C4: electric capacity;
K1-K3: relay switch;
R1-R6: resistance;
D1-D8: rectifier diode;
L1: relay control coil;
L3: relay control coil;
L2: inductance; D9: swing to isolated tube;
BAT1: chargeable redundant electrical power;
DG1: triode;
DG2: triode;
A: zero line input;
B: live wire input;
E: zero line output;
F: live wire output.
Embodiment
Below in conjunction with accompanying drawing and each components and parts embodiment, its embodiment of constant-value signal control circuit, structure, feature and effect thereof to foundation the present invention proposes are described in detail as follows:
Constant-value signal control circuit, by capacitor C 1-C4, relay switch K1-K3, resistance R 1-R6, rectifier diode D1-D8, relay control coil L1, relay control coil L3, inductance L 2, swing to isolated tube D9, chargeable redundant electrical power BAT1, triode DG1, triode DG2 forms.Zero line input A is connected with the positive pole of zero line output E, rectifier diode D5, the negative pole of rectifier diode D6, the positive pole of rectifier diode D1, the negative pole of rectifier diode D2; Live wire input B is connected with the normally closed input of relay switch K1; The positive pole of rectifier diode D2 is connected with the positive pole of rectifier diode D3, the end of relay control coil L1, the positive pole of rectifier diode D6, the positive pole of rectifier diode D7, the E utmost point of triode DG1, the C utmost point of triode DG2, the negative pole of chargeable redundant electrical power BAT1; The other end of relay control coil L1 is connected with the negative pole of rectifier diode D1, the negative pole of rectifier diode D4 by series resistance R1; The positive pole of rectifier diode D4 is connected with the negative pole of rectifier diode D3; The positive pole of rectifier diode D4 is connected with the normally closed output of relay switch K1, the normally closed input of relay switch K3 with series resistance R2 by series inductance L2; The negative pole of the normally closed output of relay switch K2 and the negative pole of rectifier diode D5, rectifier diode D8, the end of relay control coil L3, the negative pole of swinging to isolated tube D9 are connected; The positive pole of chargeable redundant electrical power BAT1 is connected with the positive pole of swinging to isolated tube D9, is connected with the normally closed output of relay switch K2 by series resistance R4; The other end of relay control coil L3 is connected with the E utmost point of triode DG2 by series resistance R6; The B utmost point of triode DG2 is connected with the C utmost point of triode DG1 by series resistance R5; The B utmost point of triode DG1 is connected with the output of often opening of relay switch K2 by series resistance R3; The positive pole of rectifier diode D8 is connected with the negative pole of rectifier diode D7; The normally closed output of relay switch K3 is connected with live wire output F; Capacitor C 1 is connected across between the positive pole of the negative pole of rectifier diode D1 and rectifier diode D2; Capacitor C 2 is connected across between the positive pole of the normally closed input of relay switch K2 and rectifier diode D2; Capacitor C 3 is connected across between the negative pole of the normally closed output of relay switch K1 and rectifier diode D7; Capacitor C 4 is connected across between the positive pole of the negative pole of rectifier diode D5 and rectifier diode D7.
Form a two keys relay by relay control coil L1, relay switch K1, relay switch K2.Also available two hilted broadsword relays are replaced, and can or increase by one group of detection electric bridge with the inductance serial connection of two hilted broadsword relays, to realize the synchronous operation of two hilted broadsword relays.
Triode BG1, triode BG2 and relay control coil L3, relay switch delay control circuit that K3 forms can be by model that changes triode or the time-delay control and the changes of changing a kind of connected mode realization relay running status in addition.
Chargeable redundant electrical power BAT1 can also adopt the capacity that increases C4 or increase transformer-coupled mode and replace.
At dangerous voltage after live wire input B input, dangerous voltage is connected to resistance R 2 by the normally closed output of relay switch K1, after current limliting through resistance R 2 and inductance L 2, by rectification diode D1, D2, D3, D4 carries out rectification, and at the positive pole of rectification diode D2, the positive pole output negative voltage of rectification diode D3, negative pole at rectification diode D1, the negative pole output positive voltage of rectification diode D4, the positive voltage of output is again after the current limliting of the filtering of capacitor C 1 and resistance R 1, apply Control current for relay control coil L1 two ends, making relay control coil L1 produce magnetic changes, control relay K switch 1, relay switch K2 is transferred to by normally closed output state and often opens output state, thereby disconnects being connected of dangerous voltage and circuit.
When live wire input B does not have the input of dangerous voltage, there is not of the normally closed output output of dangerous voltage through relay switch K1, this output voltage is after the current limliting of capacitor C 3, again through the rectification of rectification diode D5, D6, D7, D8, and at the positive pole of rectification diode D6, the positive pole output negative voltage of rectification diode D7, at the negative pole of rectification diode D5, the negative pole output positive voltage of rectification diode D8, the positive voltage of output carries out long-term weak current charging for chargeable redundant electrical power BAT1 after resistance R 4 current limlitings.When no dangerous voltage is imported, swing to not conducting of isolated tube D9.When being struck by lightning electricity or online high pressure out of control when live wire input B imports, make triode BG1, BG2 conducting, relay control coil L3 is under-voltage and undercurrent, cause swinging to the full conducting of isolated tube D9, chargeable redundant electrical power BAT1 discharges energy storage by swinging to isolated tube D9 to circuit, make relay control coil L3 time-delay keep the operating state of closing, time-delay disconnects the output of dangerous voltage.
When live wire input B does not have the input of dangerous voltage, be C2 charging steady in a long-term through the normally closed output of relay switch K2 at the positive voltage of the negative pole output of the negative pole of rectification diode D5, rectification diode D8.When dangerous voltage is imported by live wire input B, dangerous voltage is through over commutation diode D1, D2, D3, the rectification of D4, after the current limliting of the filtering of capacitor C 1 and resistance R 1, apply Control current for relay control coil L1 two ends, making relay control coil L1 produce magnetic changes, relay switch K1, K2 is transferred to by normally closed output state and often opens output state, thereby disconnect being connected of dangerous voltage and circuit, fully charged capacitor C 2 discharges tank voltage through the output of often opening of relay switch, tank voltage is trigger triode BG1 after resistance R 3 current limlitings, the BG2 conducting, apply Control current for relay control coil L3 two ends, making relay control coil L3 produce magnetic changes, relay switch K3 is transferred to by normally closed output state and often opens output state, disconnect dangerous voltage output.Guarantee to make the Electrical Safety that adopts power consumption equipment of the present invention.
The above, it only is preferred embodiments of the present invention, be not that the present invention is done any pro forma restriction, any technical solution of the present invention content that do not break away from, any modification that technical spirit according to the present invention is done above example, equivalent variations and modification all still belong to the scope of technical solution of the present invention.

Claims (4)

1. constant-value signal control circuit, it is characterized in that: by electric capacity (C1-C4), relay switch (K1-K3), resistance (R1-R6), rectifier diode (D1-D8), relay control coil (L1), relay control coil (L3), inductance (L2), swing to isolated tube (D9), chargeable redundant electrical power (BAT1), triode (DG1), triode (DG2) is formed; Zero line input A is connected with the positive pole of zero line output E, rectifier diode (D5), the negative pole of rectifier diode (D6), the positive pole of rectifier diode (D1), the negative pole of rectifier diode (D2); Live wire input B is connected with the normally closed input of relay switch (K1); The positive pole of rectifier diode (D2) is connected with the negative pole of an end of the positive pole of rectifier diode (D3), relay control coil (L1), the positive pole of rectifier diode (D6), the positive pole of rectifier diode (D7), the E utmost point of triode (DG1), the C utmost point of triode (DG2), chargeable redundant electrical power (BAT1); The other end of relay control coil (L1) is connected with the negative pole of rectifier diode (D1), the negative pole of rectifier diode (D4) by series resistance (R1); The positive pole of rectifier diode (D4) is connected with the negative pole of rectifier diode (D3); The positive pole of rectifier diode (D4) is connected with the normally closed output of relay switch (K1), the normally closed input of relay switch (K3) with series resistance (R2) by series inductance (L2); The negative pole of the normally closed output of relay switch (K2) and the negative pole of rectifier diode (D5), rectifier diode (D8), an end of relay control coil (L3), the negative pole of swinging to isolated tube (D9) are connected; The positive pole of chargeable redundant electrical power (BAT1) is connected with the positive pole of swinging to isolated tube (D9), is connected by the normally closed output of series resistance (R4) with relay switch (K2); The other end of relay control coil (L3) is connected by the E utmost point of series resistance (R6) with triode (DG2); The B utmost point of triode (DG2) is connected by the C utmost point of series resistance (R5) with triode (DG1); The B utmost point of triode (DG1) is connected by the output of often opening of series resistance (R3) with relay switch (K2); The positive pole of rectifier diode (D8) is connected with the negative pole of rectifier diode (D7); The normally closed output of relay switch (K3) is connected with live wire output F; Electric capacity (C1) is connected across between the positive pole of the negative pole of rectifier diode (D1) and rectifier diode (D2); Electric capacity (C2) is connected across between the positive pole of the normally closed input of relay switch (K2) and rectifier diode (D2); Electric capacity (C3) is connected across between the negative pole of the normally closed output of relay switch (K1) and rectifier diode (D7); Electric capacity (C4) is connected across between the positive pole of the negative pole of rectifier diode D5 and rectifier diode (D7).
2. constant-value signal control circuit according to claim 1, it is characterized in that: form a two keys relay by relay control coil (L1), relay switch (K1), relay switch (K2), or with the inductance of two hilted broadsword relays serial connection or increase by one group of detection electric bridge, to realize the synchronous operation of two hilted broadsword relays.
3. constant-value signal control circuit as claimed in claim 1 or 2, it is characterized in that: triode (BG1), triode (BG2) and relay control coil (L3), relay switch (K3) are formed delay control circuit, by model that changes triode or the time-delay control and the change of changing a kind of connected mode realization relay running status in addition.
4. constant-value signal control circuit as claimed in claim 1 or 2 is characterized in that: chargeable redundant electrical power (BAT1), adopt the capacity that increases (C4) or increase transformer-coupled mode and replaces.
CN200810069054A 2008-12-22 2008-12-22 Constant-value signal control circuit Pending CN101752825A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810069054A CN101752825A (en) 2008-12-22 2008-12-22 Constant-value signal control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810069054A CN101752825A (en) 2008-12-22 2008-12-22 Constant-value signal control circuit

Publications (1)

Publication Number Publication Date
CN101752825A true CN101752825A (en) 2010-06-23

Family

ID=42479376

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200810069054A Pending CN101752825A (en) 2008-12-22 2008-12-22 Constant-value signal control circuit

Country Status (1)

Country Link
CN (1) CN101752825A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102545863A (en) * 2010-12-07 2012-07-04 中国航空工业集团公司第六三一研究所 Circuit with function of normally closed electromagnetic relay
CN104950779A (en) * 2015-06-09 2015-09-30 刘圣平 Current and effect stabilizing control circuit chip and safe control electric appliance thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102545863A (en) * 2010-12-07 2012-07-04 中国航空工业集团公司第六三一研究所 Circuit with function of normally closed electromagnetic relay
CN102545863B (en) * 2010-12-07 2014-04-16 中国航空工业集团公司第六三一研究所 Circuit with function of normally closed electromagnetic relay
CN104950779A (en) * 2015-06-09 2015-09-30 刘圣平 Current and effect stabilizing control circuit chip and safe control electric appliance thereof
CN104950779B (en) * 2015-06-09 2024-05-28 刘圣平 Stable and stable control circuit chip and safety control electric appliance thereof

Similar Documents

Publication Publication Date Title
CN103928913B (en) A kind of high voltage DC breaker based on rapid repulsion mechanism and insulating transformer
CN102545196A (en) Multilayer discharge gap type surge protection device
CN105470930B (en) A kind of radar intelligent distribution system
CN103872658A (en) Multifunctional self-recovery over-voltage and under-voltage protector
CN203800578U (en) High-voltage direct-current circuit breaker
CN205691654U (en) A kind of synchronization signal detection circuit
CN201717601U (en) Power supply failure shunt trip and overvoltage, under-voltage protection miniature circuit breaker
CN203151087U (en) Lightning-protection and energy-saving power transformer with non-harmful output power
CN203344867U (en) Electric vehicle on-cable control box
CN204012667U (en) A kind of motor driver protection circuit
CN104734128A (en) Low-voltage distribution network null wire break protector
CN201336553Y (en) Constant signal control circuit
CN203774191U (en) Power-saving type AC contactor with threshold voltage control
CN203722242U (en) High-voltage parallel capacitor device
CN202488130U (en) Discharge gap type multi-layer surge protector
CN107834695B (en) Fire-fighting equipment power supply with relay protection circuit
CN207200270U (en) A kind of transformer neutral point DC magnetic biasing earthing or grounding means
CN207720488U (en) Input detection protection circuit and HID lamp AC electronic ballast
CN201556967U (en) Electric-dazzling preventive power unit
CN102055182B (en) Lightening protector without ground wire
CN204694795U (en) Surge arrester failure indicating circuit
CN203039345U (en) Self-reset bipolar control overvoltage and undervoltage protection device
CN203826939U (en) Electricity utilization system applied to high-voltage plant of large and medium-sized thermal power plant
CN204314645U (en) A kind of low-voltage distribution system by screen break-make automaton
CN204167890U (en) A kind of single-phase transformer inrush current suppression apparatus

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20100623