CN104577950A - Electric equipment protector - Google Patents
Electric equipment protector Download PDFInfo
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- CN104577950A CN104577950A CN201410726596.3A CN201410726596A CN104577950A CN 104577950 A CN104577950 A CN 104577950A CN 201410726596 A CN201410726596 A CN 201410726596A CN 104577950 A CN104577950 A CN 104577950A
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- consumption equipment
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- equipment protector
- potentiometer
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Abstract
The invention discloses an electric equipment protector. The electric equipment protector comprises a first normally-closed contact which is connected with a load and an AC220V voltage and a second normally-closed contact, wherein the second normally-closed contact is connected with a 10kiloohm potentiometer; the 10kiloohm potentiometer is connected with a comparator and a mono-stable time delay controller in parallel; the comparator is connected with a normal work LED indicator lamp and a fault flicker LED alarm lamp; the mono-stable time delay controller is connected with a relay; a rectifier bridge block is connected between the 10kiloohm potentiometer and the AC220V voltage. The electric equipment protector can be directly mounted in electric sockets and switches, can be integrally manufactured during the production, and is more attractive and elegant during the mounting. The protection system of the electric equipment protector has various protection functions such as overcurrent protection and leakage protection, is convenient to mount without any other equipment, low in cost and wide in market prospect to ensure that every household can afford, and can be used for ensuring the personal safety and the safety of the electric equipment.
Description
Technical field
The present invention relates to a kind of technical field of power consumption equipment protector; particularly relating to one is connected in electricity consumption loop; just can when power consumption equipment work, carry out on-line checkingi and protection power consumption equipment and the power consumption equipment protector by electric line to power consumption equipment and by electric line.
Background technology
At present, well-known in general household electricity and office, the electricity consumption places such as office building, because power consumption equipment is arbitrarily inserted, situation about connecing is many, but the personnel possessing electric specialty are fewer again, so a lot of place electricity consumption is nonstandard, blindness is many, but at fitment process with in electric line process, a lot of installation all lack of standardization again, and jerry situation is many, so just cause and decline by the actual ability of bearing load of electric line, but generally only have a total switch and earth leakage protective device to have these functions in these places above-mentioned, but the protection definite value of these switches is generally certain, can not arbitrary equipment, and fixed current overload value all higher (general current settings is all at more than 40A), protective effect is not had to the circuit of some branches and power consumption equipment at all, so the fire much caused because of power consumption equipment fault and electricity consumption aging circuit and other accidents are all occur like this.
A kind of mini electrical equipment protector is not also had (to be that a circuit breaker and earth leakage protective device are stopped up in a family or an office substantially on the market at present; can not protect for each power consumption equipment and line); the circuit breaker of each unit one and earth leakage protective device are to the rough protection of whole family or one, office; if a point goes wrong; whole system does not all have electricity; check inconvenient especially; and power consumption equipment and circuit can be damaged, serious can cause circuit breaking out of fire on fire more.
Summary of the invention
The object of the invention is the shortcoming in order to overcome above-mentioned prior art, a kind of power consumption equipment protector is provided, this power consumption equipment protector is mounted in family and office space, a kind of protective device of protection power consumption equipment in office building, do not need special installation, as long as power consumption equipment protector is connected in electricity consumption loop, just can when power consumption equipment works, on-line checkingi is carried out to power consumption equipment and by electric line, as checked there is open circuit, during the situations such as electric leakage, automatic off device is powered, play protection power consumption equipment and the effect by electric line, power consumption equipment can be effectively avoided to transship or the various faults of electricity consumption aging circuit because rising, greatly can reduce the disasters such as the fire caused because of power consumption equipment fault.Also overcome the situation of damage electric line and power consumption equipment when total switch and total earth leakage protective device are protected not in place; this power consumption equipment protector can be directly installed on in electrical socket, switch; can integration make when producing, more elegant in appearance during installation.The protection system of this power consumption equipment protector has overcurrent, earth leakage protective multi-protective function, and with easy for installation, need not install other any equipment in addition; and cost is very cheap; wide market, every household everyone can use, ensure personal safety and power consumption equipment.
The technical solution adopted for the present invention to solve the technical problems is: a kind of power consumption equipment protector, comprise the first normally-closed contact of being connected to load and AC220V voltage and the second normally-closed contact, the second normally-closed contact are connected with 10K Ω potentiometer, 10K Ω potentiometer is connected in parallel to comparator and monostable delay controller, comparator is connected with normal work LED light and fault flicker LED alarm lamp, and monostable delay controller is connected with relay; Also rectification bridge block is connected with between described 10K Ω potentiometer and AC220V voltage.
This power consumption equipment protector is mounted in electrical appliance loop, circuit in protective circuit and the device of power consumption equipment, the power supply of the circuit of its utilization own carries out in-service monitoring and control, load in online circuit can be determined according to the actual overload current of electric line, also can determine according to the load of power consumption equipment (protective current anyly can carry out on-line setup), after protection act, remind electricity consumption personnel to be removed by the power consumption equipment not meeting this circuit simultaneously, after dismounting a period of time, circuit automatic recovery of power supply; This power consumption equipment protector be applicable to different location in family and office space load outlet (in family as air-conditioning, water heater, the electricity consumption of electric oven is different from the electricity consumption of illumination, computer, fan; circuit is all different; office space as the electricity consumption of air-conditioning, hot-water bottle and illumination, computer and some little power loads different); electric current can be set according to actual requirement; if and if having ground connection or short circuit now also can protection act immediately in electricity consumption loop; protection All other routes and power consumption equipment, convenient for maintaining personnel inspection.
Further, the current transformer of rated current scope 1-10A is also included.
Further, described current transformer comprises the power transformer iron core of 3-5W, coiling at the Ф 0.1mm enamelled wire of power transformer iron core, coiling is at Ф 0.1mm enamelled wire outer field Ф 2.0mm enamelled wire, and Ф 0.1mm enamelled wire coiling has 1000 circles, and Ф 2.0mm enamelled wire coiling has 10 circles.
Further, described current transformer comprises the power transformer iron core of 3-5W, two and the Ф 1.5mm enamelled wire be around on power transformer iron core, and two equal coiling of Ф 1.5mm enamelled wire have 10 circles.
A power consumption equipment protector is installed by each branch on Live wires road, because this protector volume is little, low cost, can obtain completely; If just can install when fitting up during new installation wire road; if transform in old use electric line; old switch or socket can be removed; install the switch of new band power consumption equipment protector or socket replace before old just; the mode of connection completes the same, does not have any amendment.
In sum; power consumption equipment protector of the present invention can to the power consumption equipment in electricity consumption loop with monitor constantly by electric line; do not need to carry out other track remodelling or install other equipment additional; also need not change original line powering mode simultaneously, if when power consumption equipment and power supply unit break down, energy auto power off; protection electric line and power consumption equipment; after troubleshooting, this protector again can automatic power, the normal office work of protection user and household electricity.And structure is simple, and appearance is beautiful, cheap, economical and practical, wide market.
In addition, this power consumption equipment protector also tool have the following advantages:
(1) protective current (in the allowable load condition of this power consumption equipment protector) can be set arbitrarily for the load of single circuit overload ability and single power consumption equipment;
(2) after this power consumption equipment protector protection act, if after troubleshooting is complete, power consumption equipment protector energy power transmission automatically, does not need power transmission manually, power consumption equipment protector has automatic detection function, the situation of circuit and power consumption equipment after energy moment on-line checkingi protector;
(3) this power consumption equipment protector volume is little, can, with family, arbitrarily the installing with electrical socket of office space, not need to install mounting condition especially;
(4) this power consumption equipment protector also have electricity protection " faulty indication " and " normally work instruction ", can the convenient operating state of informing user power utilization circuit and power consumption equipment.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the power consumption equipment protector of the embodiment of the present invention 1.
Embodiment
Embodiment 1
A kind of power consumption equipment protector described by the present embodiment 1, as shown in Figure 1, comprise the first normally-closed contact 1 of being connected to load and AC220V voltage and the second normally-closed contact 2, second normally-closed contact is connected with 10K Ω potentiometer 3,10K Ω potentiometer is connected in parallel to comparator 4 and monostable delay controller 5, comparator is connected with normal work LED light 6 and fault flicker LED alarm lamp 7, and monostable delay controller is connected with relay 8; Rectification bridge block 9 is also connected with between described 10K Ω potentiometer and AC220V voltage.Wherein, in the drawings, the electronic component symbol of the first normally-closed contact is J1-1, the electronic component symbol of the second normally-closed contact is JI-2, the electronic component symbol of comparator is 555, and the electronic signs of monostable delay controller is 556, and the electronic component symbol of normal work LED light is LED
1, the electronic signs of fault flicker LED alarm lamp is LED
2, the electronic component symbol of relay is J1, and the electronic signs of rectification bridge block is QL51C.
Further, the current transformer of rated current scope 1-10A is also included.
Further, described current transformer comprises the power transformer iron core of 3-5W, coiling at the Ф 0.1mm enamelled wire of power transformer iron core, coiling is at Ф 0.1mm enamelled wire outer field Ф 2.0mm enamelled wire, and Ф 0.1mm enamelled wire coiling has 1000 circles, and Ф 2.0mm enamelled wire coiling has 10 circles.
Further, described current transformer comprises the power transformer iron core of 3-5W, two and the Ф 1.5mm enamelled wire be around on power transformer iron core, and two equal coiling of Ф 1.5mm enamelled wire have 10 circles.
This power consumption equipment protector can be used for the management aspect of planned power consumption or safety utilization of electric power, and the principle of power consumption equipment protector is restriction load current, and when just automatically cutting off the power supply of load after electric current overrate, rated current can regulate arbitrarily.
As shown in Figure 1, during comparator work, when its 2nd pin level reaches more than 4V, output (the 3rd pin and 7 pin) is low level to the schematic diagram of this power consumption equipment protector circuit, LED
2flashing indicates, and when its 2nd pin level is no more than 4V, output (the 3rd pin and 7 pin) is low level, LED
1flashing indicates.During monostable delay controller work, when load current overfulfils the quota, the 7th pin of comparator is low level, triggering the 2nd pin is started monostable action, relay J 1 action, and its normally-closed contact J1-1, J1-2 disconnect, thus make load dead electricity.
Load dead electricity time and monostable time delay are about 2min; after time delay 2min; J1 release makes load power up; if at this moment load still plays quota electric current; then repeat above-mentioned action; until load electricity consumption is in normal scope, power consumption equipment so just effectively can be protected and electric current is excessive and damage by electric line.
10k Ω potentiometer is used as load current quota and regulates setting, LED
1normal relay indicating light, LED
2be fault flicker alarm lamp, only just glisten under the state of supercurrent, relay J 1 can be selected according to the size by electric line or power consumption equipment power.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to structure of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (4)
1. a power consumption equipment protector, it is characterized in that, comprise the first normally-closed contact of being connected to load and AC220V voltage and the second normally-closed contact, the second normally-closed contact are connected with 10K Ω potentiometer, 10K Ω potentiometer is connected in parallel to comparator and monostable delay controller, comparator is connected with normal work LED light and fault flicker LED alarm lamp, and monostable delay controller is connected with relay; Also rectification bridge block is connected with between described 10K Ω potentiometer and AC220V voltage.
2. a kind of power consumption equipment protector according to claim 1, is characterized in that, also include the current transformer of rated current scope 1-10A.
3. a kind of power consumption equipment protector according to claim 2; it is characterized in that; described current transformer comprises the power transformer iron core of 3-5W, coiling at the Ф 0.1mm enamelled wire of power transformer iron core; coiling is at Ф 0.1mm enamelled wire outer field Ф 2.0mm enamelled wire; Ф 0.1mm enamelled wire coiling has 1000 circles, and Ф 2.0mm enamelled wire coiling has 10 circles.
4. a kind of power consumption equipment protector according to claim 2; it is characterized in that; described current transformer comprises power transformer iron core, two and the Ф 1.5mm enamelled wire be around on power transformer iron core of 3-5W, and two equal coiling of Ф 1.5mm enamelled wire have 10 circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726596.3A CN104577950A (en) | 2014-12-04 | 2014-12-04 | Electric equipment protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726596.3A CN104577950A (en) | 2014-12-04 | 2014-12-04 | Electric equipment protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104577950A true CN104577950A (en) | 2015-04-29 |
Family
ID=53093428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410726596.3A Pending CN104577950A (en) | 2014-12-04 | 2014-12-04 | Electric equipment protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577950A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158704A (en) * | 2015-08-28 | 2015-12-16 | 贵州天义电器有限责任公司 | DC power supply quality detection module |
| CN110880738A (en) * | 2016-07-01 | 2020-03-13 | 韦伯-斯蒂芬产品有限公司 | Electric oven with current protection circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2038242U (en) * | 1988-07-19 | 1989-05-24 | 关宇东 | Anti-stealing electricity-theft-proof and over current protector in electric meter |
| CN2041080U (en) * | 1987-11-10 | 1989-07-12 | 李欣建 | Multifunction combination safety cut-out |
| CN2059276U (en) * | 1989-05-12 | 1990-07-11 | 董民政 | Multi-functional electirc protective device |
| CN1072294A (en) * | 1991-11-08 | 1993-05-19 | 南京航空学院 | Multi-function automatic monitor for power consumption |
| CN204304395U (en) * | 2014-12-04 | 2015-04-29 | 江门天诚溶剂制品有限公司 | A kind of power consumption equipment protector |
-
2014
- 2014-12-04 CN CN201410726596.3A patent/CN104577950A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041080U (en) * | 1987-11-10 | 1989-07-12 | 李欣建 | Multifunction combination safety cut-out |
| CN2038242U (en) * | 1988-07-19 | 1989-05-24 | 关宇东 | Anti-stealing electricity-theft-proof and over current protector in electric meter |
| CN2059276U (en) * | 1989-05-12 | 1990-07-11 | 董民政 | Multi-functional electirc protective device |
| CN1072294A (en) * | 1991-11-08 | 1993-05-19 | 南京航空学院 | Multi-function automatic monitor for power consumption |
| CN204304395U (en) * | 2014-12-04 | 2015-04-29 | 江门天诚溶剂制品有限公司 | A kind of power consumption equipment protector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158704A (en) * | 2015-08-28 | 2015-12-16 | 贵州天义电器有限责任公司 | DC power supply quality detection module |
| CN105158704B (en) * | 2015-08-28 | 2018-02-06 | 贵州天义电器有限责任公司 | Dc source Quality Detection module |
| CN110880738A (en) * | 2016-07-01 | 2020-03-13 | 韦伯-斯蒂芬产品有限公司 | Electric oven with current protection circuit |
| CN110880738B (en) * | 2016-07-01 | 2022-03-22 | 韦伯-斯蒂芬产品有限公司 | Electric oven with current protection circuit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |