CN205039519U - Single -phasely overflow, electric leakage, superpressure, controlled protection device - Google Patents
Single -phasely overflow, electric leakage, superpressure, controlled protection device Download PDFInfo
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- CN205039519U CN205039519U CN201520757443.5U CN201520757443U CN205039519U CN 205039519 U CN205039519 U CN 205039519U CN 201520757443 U CN201520757443 U CN 201520757443U CN 205039519 U CN205039519 U CN 205039519U
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Abstract
The utility model relates to a single -phasely overflow, electric leakage, superpressure, controlled protection device, its characterized in that: it include relay (1), overvoltage draw processing circuit (2), leak electric test according to (3), electric leakage induction coil (4), dropouts (5), amplifier (6), electric leakage trip coil (7), trip switch (8) constitution overflow, relay (1) input be connected with input voltage (9), output the termination on the overvoltage draws processing circuit (2) return circuit, the overvoltage draw processing circuit (2) tieback and on L1 and N line input line, be equipped with R on the L1 input line and hinder, hourglass electric test to locate L1 and N line input line according to (3) parallelly connected, electric leakage induction coil (4) locate between trip switch (8) and load circuit (electrical apparatus) (10), amplifier (6) one end is connected with electric leakage induction coil (4) cooperation, the other end is connected with leak electricity trip coil (7), trip switch (8) be located L1 and N line input, still be connected with on trip switch (8) and overflow dropouts (5), have earth leakage protection, overvoltage and draw processing circuit protection, control input protection, protection circuit electrical apparatus that can be better, the protection switch in other signals sources trips, it is very easily market -oriented.
Description
Technical field
The utility model relates to the production application technical field of Protector for electric appliances, particularly a kind of control protective unit, specifically a kind of single-phase overcurrent, electric leakage, superpressure, control protective unit.
Background technology
At present, China's mains voltage 220V ± 20% is normal, more than the value of 220V+20%=264V, claims ultra-voltage herein.Because electrical equipment kind increases day by day, people's power consumption rate also increases thereupon, electric power transmission network line load constantly increases the weight of, in order to adapt to new electricity consumption situation, power department also constantly updates circuit, meet the electricity consumption new demand of people, but unavoidable power failure also often occurs, produce sometimes and carry higher than 220V+20% voltage; Also have the private in building site to draw disorderly to connect, a lot of 380V pressure-wire is not indicated again, causes the electrical appliance of 220V power supply to be connected on 380V circuit, and ultra-voltage uses, and suffers heavy losses.Only have electric leakage on the market, overcurrent protective switch at present, this switch is fine, and when electric leakage is equal to or greater than set point, switch open circuit is tripped; Switch open circuit tripping operation when electric current is equal to or greater than overcurrent set point, and wait for period and there is no power consumption, be the energy saving environmental protection product that cost performance is very high, but inoperative to ultra-voltage.There is the automatically reset device of a kind of over voltage protection on the market, after ultra-voltage disappears, the product automatically connected when returning normal voltage; although the effect of over voltage protection can be played; but because of the built-in more numerous and diverse circuit of this product, and need one group of Power supply, the failure rate of itself is higher; power consumption is larger; generally want about 10W, 1 year wait for power consumption 86000 watts/time=86 degree, electricity charge valency is 1 yuan/degree when; it is 86 yuan that year pays, and is the device do not calculated.Also have under this device encounters line voltage superpressure fluctuation status, the connection of this exhaust, also has injury to electrical appliance, and this device does not leave ultra-voltage all the time in addition, too high once ultra-voltage, to the infringement of this device itself also likely.
Summary of the invention
The utility model, for above-mentioned situation, in order to solve the intrinsic shortcoming of this device, can meet again the energy-conserving and environment-protective target without waiting for power consumption; we are through ruminating over; contrast, a ultra-voltage broken circuit protecting equipment being approximately idle of EXPERIMENTAL DESIGN, this apparatus structure is simple; so failure rate is very low; and very power saving, maximumly wait for power consumption 0.022W, year, maximum power consumption of waiting for was when 190W/; be equivalent to 0.2 degree, I thinks to reach the target of energy-conserving and environment-protective.The action Tu Na of device element repeats to allow current value to be 2A, and operating current, in 0.1 peace left and right, waits for electric current at below 0.0001A, so it can To Long Campaign Life.Installed a miniature relay additional simultaneously, this device is made to extend a variety of input protection mode, as temperature control instruction, fire-fighting instruction is (as smog, Thermal Infra-Red radiation) delay time control command, microcomputer instruction etc., when these instructions do not arrive, the power consumption of waiting for of relay equals 0, also energy-conserving and environment-protective requirement is met, this device is at overcurrent in addition, add in leakage, breaking switch and install, be equivalent to the electronic switch of parallel connection one by voltage initiation at leak(age) test button two ends, simulate an electric leakage process, and original function is not affected, so this device contains overcurrent, electric leakage, overvoltage, other instruction (temperature, air-sensitive, thermal infrared, the instruction of microcomputer etc. circuit signal) integrated protection cut-out function.Deserve to be called the protection type disconnect that the cost performance of energy-conserving and environment-protective is high.
The utility model solves the problems of the technologies described above the following technical scheme of employing:
One single-phase overcurrent, electric leakage, superpressure, control protective unit, is characterized in that: it comprises relay (1), ultra-voltage draws connection circuit (2), leak(age) test forms by (3), electric leakage induction coil (4), overcurrent tripping (5), amplifier (6), electric leakage tripping coil (7), trip switch (8); Described relay (1) input is connected with input voltage (9), and output is connected to ultra-voltage and draws on connection circuit (2) loop; Described ultra-voltage draws connects circuit (2) tieback in L1 and N line input line, and L1 input line is provided with R resistance; It is in parallel that described leak(age) test is located at L1 and N line input line by (3); Described electric leakage induction coil (4) is located between trip switch (8) and load circuit (electrical equipment) (10); Described amplifier (6) one end is connected with electric leakage induction coil (4), and the other end is connected with electric leakage tripping coil (7); Described trip switch (8) is positioned at L1 and N line input, trip switch (8) is also connected with overcurrent tripping (5).
Preferably, described input voltage (9) is 3V-24VDC/AC voltage, plays control action.
Preferably, described load circuit (electrical equipment) (10) are 110V-220VAC.
The beneficial effects of the utility model are: a kind of single-phase overcurrent, electric leakage, superpressure, control protective unit, there is earth leakage protective, ultra-voltage draws connection circuit protection, control inputs protection, can better protective circuit electrical equipment, the protection switch tripping operation in other signals source; The very easily marketization.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described further
Accompanying drawing 1 is the schematic diagram of a kind of single-phase overcurrent of the utility model, electric leakage, superpressure, control protective unit.
As scheme identify: relay 1, ultra-voltage draw connect circuit 2, leak(age) test by 3, electric leakage induction coil 4, overcurrent tripping 5, amplifier 6, electric leakage tripping coil 7, trip switch 8, input voltage 9, load circuit (electrical equipment) 10.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of single-phase overcurrent of the present utility model, electric leakage, superpressure, control protective unit are further described.
One single-phase overcurrent, electric leakage, superpressure, control protective unit, is characterized in that: it comprises relay (1), ultra-voltage draws connection circuit (2), leak(age) test forms by (3), electric leakage induction coil (4), overcurrent tripping (5), amplifier (6), electric leakage tripping coil (7), trip switch (8); Described relay (1) input is connected with input voltage (9), and output is connected to ultra-voltage and draws on connection circuit (2) loop; Described ultra-voltage draws connects circuit (2) tieback in L1 and N line input line, and L1 input line is provided with R resistance; It is in parallel that described leak(age) test is located at L1 and N line input line by (3); Described electric leakage induction coil (4) is located between trip switch (8) and load circuit (electrical equipment) (10); Described amplifier (6) one end is connected with electric leakage induction coil (4), and the other end is connected with electric leakage tripping coil (7); Described trip switch (8) is positioned at L1 and N line input, trip switch (8) is also connected with overcurrent tripping (5).
Preferably, described input voltage (9) is 3V-24VDC/AC voltage, plays control action.
Preferably, described load circuit (electrical equipment) (10) are 110V-220VAC.
Earth leakage protective: A, under normal circumstances, power supply flows through electric leakage induction coil through trip switch, and very little or zero because coming and going induced voltage that current balance type produces, amplifier out exports without driving voltage difference.Electric leakage tripping coil does not work because can not get voltage, and trip switch keeps on-state; B, load circuit are when leaking electricity very little, and the voltage that electric leakage induction coil produces is less, can not reach amplifier input gate limit value, amplifier out no-output voltage difference.Electric leakage tripping coil does not work because can not get voltage, and trip switch keeps on-state.C, load circuit are when electrical leakage is equal to or greater than nominal value, current imbalance is come and gone in electric leakage induction coil, the voltage that electric leakage induction coil produces, be equal to or greater than amplifier threshold value and enter, amplifier out output voltage is poor, electric leakage tripping coil produces the action of magnetic force moving trip switch, power cutoff because obtaining electric;
During leak(age) test button call through test, the electric current of L1 flows through trip switch has been streamline circle, pass through in electric leakage induction coil, leak(age) test button is crossed to R, at the electric leakage line of induction outward by getting back to trip switch, flow back to N line, cause in electric leakage induction coil and come and go current imbalance, come and go difference between current and be greater than electric leakage nominal value (similar load circuit electric leakage); Amplifier thresholding is by signal, and amplifier output voltage is poor, and electric leakage tripping coil obtains electric and produces magnetic force, and pull trip switch, power remove, creepage protection function is verified;
Ultra-voltage draws connection circuit protection: (this circuit in parallel is in leak(age) test button two ends): A, in non-superpressure situation; voltage between L1 and N is less than superpressure set point (if superpressure value is 260V; voltage is lower than 260V) ultra-voltage draws and connects circuit no current and pass through, and similar switch off state does not work.B, when voltage between L1 and N is equal to or greater than superpressure setting, (being equal to, or greater than 260V) ultra-voltage draws connects circuit inductance to overflowing voltage signal and connecting, similar switch connection state, also just as leak(age) test button is connected, the electric current of L1 flows through trip switch has been streamline circle, pass through in electric leakage induction coil, connection inside circuit is drawn by ultra-voltage to R, flow back to N line (similar leak(age) test button call through test process is the same) leakage inductance now and should be greater than electric leakage nominal value by the coil-induced electric current flow through to R, amplifier thresholding passes through signal, amplifier output voltage is poor, electric leakage tripping coil obtains electric and produces magnetic force, pull trip switch, trip switch turns off, load dead electricity and being protected,
Control inputs is protected: the normally opened contact two ends of control relay are parallel to leak(age) test switch ends.A, when normally opened relay does not have the operating voltage of input relay, relay does not work, without any reaction.(similar leak(age) test button is not pressed).B, when normally opened relay is because of when outside input obtains the operational voltage value of relay (receiving other instruction outside switch), relay work, on-state (just as leak(age) test button is connected).The electric current of L1 flows through de-mouth switch has been streamline circle, passes through in electric leakage induction coil, to R by relay, flows back to N line (similar leak(age) test button is connected); Leakage inductance now should be greater than electric leakage nominal value by the coil-induced electric current flow through to R, and amplifier thresholding is by signal, and amplifier output voltage is poor; electric leakage tripping coil obtains electric and produces magnetic force; pull trip switch, trip switch turns off, load dead electricity and being protected.
Preferably, ultra-voltage draws connects circuit use: 1. DB3-DB6 trigger tube combination, 2. voltage-stabiliser tube, and Zener diode and controllable silicon combine; 3. piezo-resistance and controllable silicon combine.
Above-described embodiment, the just one of the utility model more preferably embodiment, the usual change that those skilled in the art carries out within the scope of technical solutions of the utility model and replacing all should be included in protection range of the present utility model.
Claims (3)
1. single-phase overcurrent, electric leakage, superpressure, a control protective unit, is characterized in that: it comprises relay (1), ultra-voltage draws connection circuit (2), leak(age) test forms by (3), electric leakage induction coil (4), overcurrent tripping (5), amplifier (6), electric leakage tripping coil (7), trip switch (8); Described relay (1) input is connected with input voltage (9), and output is connected to ultra-voltage and draws on connection circuit (2) loop; Described ultra-voltage draws connects circuit (2) tieback in L1 and N line input line, and L1 input line is provided with R resistance; It is in parallel that described leak(age) test is located at L1 and N line input line by (3); Described electric leakage induction coil (4) is located between trip switch (8) and load circuit (electrical equipment) (10); Described amplifier (6) one end is connected with electric leakage induction coil (4), and the other end is connected with electric leakage tripping coil (7); Described trip switch (8) is positioned at L1 and N line input, trip switch (8) is also connected with overcurrent tripping (5).
2. a kind of single-phase overcurrent, electric leakage, superpressure, control protective unit according to claim 1, is characterized in that: described input voltage (9) is 3V-24VDC/AC voltage, plays control action.
3. a kind of single-phase overcurrent, electric leakage, superpressure, control protective unit according to claim 1, is characterized in that: described load circuit (electrical equipment) (10) are 110V-220VAC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520757443.5U CN205039519U (en) | 2015-09-28 | 2015-09-28 | Single -phasely overflow, electric leakage, superpressure, controlled protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520757443.5U CN205039519U (en) | 2015-09-28 | 2015-09-28 | Single -phasely overflow, electric leakage, superpressure, controlled protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205039519U true CN205039519U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520757443.5U Expired - Fee Related CN205039519U (en) | 2015-09-28 | 2015-09-28 | Single -phasely overflow, electric leakage, superpressure, controlled protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205039519U (en) |
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2015
- 2015-09-28 CN CN201520757443.5U patent/CN205039519U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20170928 |