CN2549635Y - Multifunctional safety device of electrical apparatus - Google Patents
Multifunctional safety device of electrical apparatus Download PDFInfo
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- CN2549635Y CN2549635Y CN 02229351 CN02229351U CN2549635Y CN 2549635 Y CN2549635 Y CN 2549635Y CN 02229351 CN02229351 CN 02229351 CN 02229351 U CN02229351 U CN 02229351U CN 2549635 Y CN2549635 Y CN 2549635Y
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- lightning arrester
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Abstract
The utility model discloses a multifunctional safety device of electrical apparatus, which consists of a breaker and a leakage release. The utility model is characterized in that the breaker and the leakage release are assembled and matched with a lightning arrester detection circuit. The lightning arrester detection circuit is formed by a lightning arrester and a coil; the lines of an external power supply which supplies power in any manner of three phases four lines, three phases three lines or single phase, are respectively connected with the lightning arrester detection circuit; the earthing end of the lightning arrester in the lightning arrester detection circuit is connected with the earth or an equal electric potential point; moreover, the lightning arrester detection circuit is connected with an electronic line LE, the leakage release is controlled by the electronic line LE, and the coil L of the lightning arrester detection circuit inducts the lighting intensity. When the lighting intensity exceeds the set value of the electronic line LE, the leakage release will cut the breaker and the power protective device. Being applicable to the 220 V(380 V) alternating direct current power supply network, the utility model integrates the functions of overcurrent protection, leakage current protection and interphase overvoltage protection during the operation of thunderbolt absorbing devices.
Description
Technical field:
The utility model belongs to a kind of appliances power source protector.
Background technology:
Present appliances power source protector, also steelyard slepsydra non-electricity protector, general only that serial leakage tripping devices such as Series Circuit Breakers such as DZ47-63 and DZ47LE-63 is assembled, the high-voltage large current that can not on-line automatic absorption induction lightening ripple transmits by electrical network; The alternate overvoltage that can not prevent lightning wave operation of equipment generation is brought injury to power supply and personal safety.
Summary of the invention:
The purpose of this utility model provides a kind of multifunctional electric appliance equipment protector that integrates the alternate overvoltage protection of overcurrent protection, leakage current protection, thunder and lightning absorption equipment operation generation.The purpose of this utility model is to realize like this; described multifunctional electric appliance equipment protector; be assemblied to form by circuit breaker and leakage tripping device; its design feature is that lightning arrester testing circuit composition is matched in circuit breaker and leakage tripping device assembly unit; the lightning arrester testing circuit is made up of lightning arrester and coil; three-phase and four-line; phase three-wire three or single-phase in each line of any external power of supply power mode be connected with the lightning arrester testing circuit respectively; arrester ground termination the earth in the lightning arrester testing circuit or connect isopotential point; the lightning arrester testing circuit inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; the coil L induction of lightning arrester testing circuit detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment of cutting off the electricity supply.The purpose of this utility model also can be achieved through the following technical solutions; described multifunctional electric appliance equipment protector; its characteristics are that the lightning arrester testing circuit is made up of lightning arrester B and coil L; three-phase and four-line; phase three-wire three or single-phase in each line of any external power of supply power mode be connected with corresponding lightning arrester B one end of lightning arrester testing circuit respectively; corresponding the lightning arrester B other end connects the earth or connects isopotential point after sealing in coil L respectively; coil L inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; coil L induction detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment of cutting off the electricity supply.Described multifunctional electric appliance equipment protector; its characteristics are that the lightning arrester testing circuit is made up of lightning arrester B and coil L; three-phase and four-line; phase three-wire three or single-phase in each line switch-on coil L of any external power of supply power mode after be connected with corresponding lightning arrester B one end of lightning arrester testing circuit; corresponding another termination the earth of lightning arrester B or connect isopotential point; coil L inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; coil L induction detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment of cutting off the electricity supply.Described multifunctional electric appliance equipment protector; its characteristics are that the lightning arrester testing circuit is made up of lightning arrester B and coil L; three-phase and four-line; phase three-wire three or single-phase in each line of any external power of supply power mode be connected with corresponding lightning arrester B one end of lightning arrester testing circuit after inserting corresponding coil L respectively; corresponding another termination the earth of lightning arrester B or connect isopotential point; corresponding coil L inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; corresponding coil L induction detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment of cutting off the electricity supply.Described multifunctional electric appliance equipment protector; its characteristics are that the lightning arrester testing circuit is made up of lightning arrester B and coil L; three-phase and four-line; phase three-wire three or single-phase in each line of any external power of supply power mode be connected with corresponding lightning arrester B one end of lightning arrester testing circuit respectively; corresponding the lightning arrester B other end connects the earth or connects isopotential point after sealing in corresponding coil L respectively; corresponding coil L inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; corresponding coil L induction detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment of cutting off the electricity supply.Described multifunctional electric appliance equipment protector, its characteristics connect for lightning arrester B passes coil L induction.Series of products of the present utility model can design according to the size of anti-thunder intensity, needs load, can not only all can play automatic absorption protective effect to the transient overvoltage that different-energy and different Frequency lead, need not change fuse protects automatically, recovers automatically to bury special-purpose ground wire, safe and reliable need not the maintenance own; It also has load electric leakage automatic protection functions.They are applicable to that in 220V (380V) the AC/DC power supply supply network, it can transmit high-voltage large current by electrical network by on-line automatic absorption induction lightening ripple; The alternate overvoltage that prevents lightning wave operation of equipment generation is brought injury to power protective equipment and personal safety.Be applicable to the purification and the protection of the power of computer room of industries such as bank, industry and commerce, the tax, electric power, radio and television, metallurgy, chemical industry, coal, light industry, building, communication, family, school, traffic, shipping.It can divide function (according to the difference of electric current) combination.The key technical indexes is as follows:
(1) lightning protected technical indicator:
1. every group of absorption current: Isn:5,10,15,20,40kA (5-20us) (can require to carry out how group makes up according to lightning-arrest) also can be according to the special manufacturings of customer requirements;
2. leakage current: Ic≤1mA;
3.Uc:385v Ac (also can according to the special manufacturing of customer requirements);
4. residual voltage Up (Isn)≤1.3kv;
(2) overcurrent protection technical indicator:
Employing meets the Series Circuit Breakers such as DZ47-63 of GB GB16917.1-91 IEC1009.1-91.
Description of drawings:
Fig. 1 is that a kind of example three-phase and four-line of the present utility model uses the contour structures schematic diagram.
Fig. 2 is a kind of elementary diagram of the present utility model.
Fig. 3 is an electronic circuit schematic diagram of the present utility model.
Fig. 4 receives the elementary diagram that is connected with corresponding lightning arrester B again behind the coil L earlier for each line of external power of the present utility model.
Fig. 5 is the electronic circuit schematic diagram that is complementary with Fig. 4 mode of connection.
Fig. 6 is that each line of external power of the present utility model is connected the elementary diagram that is connected with corresponding lightning arrester B again with corresponding coil L earlier.
Fig. 7 is the electronic circuit schematic diagram that is complementary with Fig. 6 mode of connection.
Fig. 8 is that each line of external power of the present utility model is connected the elementary diagram that is connected with corresponding coil L respectively again with corresponding lightning arrester B earlier.
Fig. 9 is the electronic circuit schematic diagram that is complementary with Fig. 8 mode of connection.
Embodiment:
Below in conjunction with accompanying drawing the utility model is elaborated:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9; it with 220V or (380V) is that the Electrical Safety of the power supply of power supply manufactures and designs that multifunctional electric appliance equipment protector of the present utility model aims at, and it integrates the multifunctional household electrical appliance protector of the alternate overvoltage protection that overcurrent protection, leakage current protection, the operation of thunder and lightning absorption equipment produce.These series of products can design according to the size of anti-thunder intensity, needs load, can not only all can play automatic absorption protective effect to the transient overvoltage that different-energy and different Frequency lead, need not change fuse protects automatically, recovers automatically to bury special-purpose ground wire, safe and reliable need not the maintenance own; It also has load electric leakage automatic protection functions.It can divide function (according to the difference of electric current) combination:
The key technical indexes:
(1) lightning protected technical indicator:
1. every group of absorption current: Isn:5,10,15,20,40kA (5-20us) (can require to carry out how group makes up according to lightning-arrest) also can be according to the special manufacturings of customer requirements
2. leakage current: Ic≤1mA
3.Uc:385v Ac (also can according to the special manufacturing of customer requirements)
4. residual voltage Up (Isn)≤1.3kv
(2) overcurrent protection technical indicator:
Circuit breaker is general to adopt serial leakage tripping devices such as Series Circuit Breakers such as the DZ47-63 that meets GB GB16917.1-91 IEC1009.1-91 and DZ47LE-63.
They are achieved in that lightning arrester is matched in serial leakage tripping device assembly units such as Series Circuit Breakers such as DZ47-63 and DZ47LE-63 to form serial power supply protector of the present utility model.Thereby realize the multifunction protections such as alternate overvoltage inhibition that overcurrent protection, leakage current protection, the operation of thunder and lightning absorption equipment produce.It can select serial leakage tripping device assembly units such as Series Circuit Breakers such as corresponding D Z47-63 and DZ47LE-63 to match lightning arrester according to the requirement of power supply form and electric current to form; constitute a series of as a single-phase utmost point two wires; single-phase two utmost point two wires; three-phase three extremely three-way and three-phase three utmost points, four lines and three-phase and quadrupole four line products; a wherein concrete example is seen Fig. 1; as Fig. 1 is the use contour structures schematic diagram of a kind of example three-phase and four-line of the present utility model; its profile is similar or identical with at present commercially available serial earth leakage protective device with installation dimension, and other a single-phase utmost point two wires; single-phase two utmost point two wires; the extremely three-way profile with three-phase and quadrupole four line products of three-phase three also is similar or identical with at present commercially available serial earth leakage protective device with installation dimension.It can match lightning arrester as realizing by connection principle Fig. 2 mode of connection according to serial leakage tripping device assembly units such as Series Circuit Breakers such as DZ47-63 and DZ47LE-63.As shown in Figure 2; characteristics are that lightning arrester testing circuit composition is matched in circuit breaker and leakage tripping device assembly unit; described lightning arrester testing circuit is made up of lightning arrester and coil; three-phase and four-line; phase three-wire three or single-phase in each line of any external power of supply power mode be connected with the lightning arrester testing circuit respectively; arrester ground termination the earth in the lightning arrester testing circuit or connect isopotential point; the lightning arrester testing circuit inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; the coil L induction of lightning arrester testing circuit detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker; the protection equipment 1 of cutting off the electricity supply reaches protection lightning arrester B and guarantees the normal purpose of power supply.The current circuit of lightning arrester must pass coil, does not have the loop current that internal resistance detects lightning arrester like this, and promptly lightning arrester B passes coil L induction connection.General three-phase and four-line, phase three-wire three or single-phase in each line of any external power of supply power mode be connected with corresponding lightning arrester B one end of lightning arrester testing circuit respectively; corresponding the lightning arrester B other end connects the earth or connects isopotential point after sealing in coil L respectively; coil L inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; coil L induction detects intensity of lightning; when the set point that surpasses electronic circuit LE, the leakage tripping device action disconnects circuit breaker the protection equipment 1 of cutting off the electricity supply.In addition; three-phase and four-line, phase three-wire three or single-phase in each line of any external power of supply power mode also can be connected with corresponding lightning arrester B one end of lightning arrester testing circuit behind the first switch-on coil L; corresponding another termination the earth of lightning arrester B or connect isopotential point; coil L inserts electronic circuit LE; leakage tripping device is by electronic circuit LE control, and coil L induction detects intensity of lightning, when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment 1 of cutting off the electricity supply.Fig. 4 receives the elementary diagram that is connected with corresponding lightning arrester B again behind the coil L earlier for each line of external power of the present utility model, and Fig. 5 is the electronic circuit schematic diagram that is complementary with Fig. 4 mode of connection; Fig. 2, Fig. 3, Fig. 4, Fig. 5 are coils, and each line of different is external power is different with the order that lightning arrester B is connected with coil, and connected mode is just opposite.Fig. 6 is that each line of external power of the present utility model is connected the elementary diagram that is connected with corresponding lightning arrester B again with corresponding coil L earlier.Fig. 7 is the electronic circuit schematic diagram that is complementary with Fig. 6 mode of connection.Fig. 8 is that each line of external power of the present utility model is connected the elementary diagram that is connected with corresponding coil L respectively again with corresponding lightning arrester B earlier.Fig. 9 is the electronic circuit schematic diagram that is complementary with Fig. 8 mode of connection.Fig. 6, Fig. 7, Fig. 8, Fig. 9 be a coil not only, is how many roots but adopt each line of external power, and then how many roots coil also adopts, and this example is the external power of three-phase and four-line supply power mode, because of being four lines, then adopts four coils; If the external power of other supply power mode can be according to the coil of corresponding of how much adopting of external power line.
Its operation principle is: when thunderbolt took place, lightning arrester B carried out clamped to the electrical network high voltage, will be higher than the clamped voltage of lightning arrester B and the big electric current of momentary pulse that produces is released over the ground; Series Circuit Breakers such as DZ47-63 are as switch and overload protection, and serial leakage tripping device such as DZ47LE-63 is made circuit breaker automatic trip controlling organization; Lightning arrester B is over the ground or to the isopotential point pulse high current of releasing, and when pulse high current surpasses lightning arrester B rated value or lightning arrester reduction, circuit breaker is disconnected realizes automatic protection functions thereby coil L sensed current signal drives release by electronic circuit LE; The physical circuit of described electronic circuit LE is seen Fig. 3, Fig. 5, Fig. 7, Fig. 9; the concrete connection and the operation principle of circuit are described as follows: diode D1-D6 constitutes power rectifier circuit; SCR is a controllable silicon; when coil L sensed current signal during greater than the controllable silicon conducting voltage; the driving switch J that the controllable silicon conducting drives release disconnects circuit breaker K; the protection equipment 1 of cutting off the electricity supply; and the realization automatic protection functions; above-mentioned electronic circuit LE circuit is a concrete circuit of implementing of the present utility model, and the utility model also can adopt the circuit of other congenerous.
Concrete operation instruction of the present utility model is: these series of products are assemblied to form DZ47-63 series high breaking miniature circuit breaker and DZ47LE-63 series release and lightning arrester, adopt the installation of standard guide rail to have the characteristics of compact conformation highly versatile easy for installation.Below with the three-phase and four-line power supply protection; see that by elementary diagram Fig. 2, Fig. 4, Fig. 6 or Fig. 8 are connected to example utility model is elaborated: the protector of this utility model is snapped in the standard guide rail; by seeing that by elementary diagram Fig. 2, Fig. 4, Fig. 6 or Fig. 8 insert each corresponding power firestreak L1 end of protector shown in Figure 1, L2 end, L3 end, zero line N end, earth terminal and the output circuit breaker K that closes respectively with power firestreak L1, L2, L3, zero line N, ground wire and output and get final product, protector shown in Figure 1 also is provided with other buttons such as test button T.Lightning arrester is released pulse voltage in utmost point conducting in the short time (nanosecond) with being shorted to when thunderbolt or switching manipulation taking place momentary pulse voltage occurs, thus protection user all devices.After pulse voltage, lightning arrester recovers high-impedance state again, thereby does not influence the electricity consumption of user's all devices.When if thunderbolt or switching manipulation occur momentary pulse voltage above lightning arrester B rated value or lightning arrester reduction, circuit breaker K is disconnected the realization automatic protection functions thereby coil L sensed current signal drives release by electronic circuit LE.Automatically recovery button is then pressed as continuing to send electricity in the protection back, and the killer switch that closes gets final product.Killer switch takes place to disconnect again immediately then illustrates that lightning arrester will weaken if close, and can not continue to use, and please repair or change protector.This moment, lightning arrester adopted four, also can use more a plurality of lightning arresters according to lightning-arrest intensity, can adopt parallel way to insert.In addition, existing family is general when adopting a single-phase utmost point two wires, and then power firestreak has only one, and zero line N, power firestreak insert protector of the present utility model, and zero line N does not insert circuit breaker, and lightning arrester must adopt two; When adopting two utmost point two wires, zero line N, power firestreak insert protector of the present utility model and all insert circuit breaker, and lightning arrester also must adopt two.From the above mentioned as can be known, for different power supplys, as three-phase and four-line, phase three-wire three or single-phase, its mode of connection is identical, corresponding one by one, the way of different is lightning arrester, circuit breaker and release is different, when the then all corresponding increase of lightning arrester, circuit breaker and release of way increase.Above-mentioned is to adopt a magnetic test coil.For adopting a plurality of coils, its mode of connection is also identical, just adopts a plurality of coils to detect corresponding lightning arrester respectively.
Claims (6)
1; a kind of multifunctional electric appliance equipment protector; be assemblied to form by circuit breaker and leakage tripping device; it is characterized in that circuit breaker and leakage tripping device assembly unit match the lightning arrester testing circuit and form; the lightning arrester testing circuit is made up of lightning arrester and coil; three-phase and four-line; phase three-wire three or single-phase in each line of any external power of supply power mode be connected with the lightning arrester testing circuit respectively; arrester ground termination the earth in the lightning arrester testing circuit or connect isopotential point; the lightning arrester testing circuit inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; the coil L induction of lightning arrester testing circuit detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment (1) of cutting off the electricity supply.
2; multifunctional electric appliance equipment protector according to claim 1; it is characterized in that the lightning arrester testing circuit is made up of lightning arrester B and coil L; three-phase and four-line; phase three-wire three or single-phase in each line of any external power of supply power mode be connected with corresponding lightning arrester B one end of lightning arrester testing circuit respectively; corresponding the lightning arrester B other end connects the earth or connects isopotential point after sealing in coil L respectively; coil L inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; coil L induction detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment (1) of cutting off the electricity supply.
3; multifunctional electric appliance equipment protector according to claim 1; it is characterized in that the lightning arrester testing circuit is made up of lightning arrester B and coil L; three-phase and four-line; phase three-wire three or single-phase in each line switch-on coil L of any external power of supply power mode after be connected with corresponding lightning arrester B one end of lightning arrester testing circuit; corresponding another termination the earth of lightning arrester B or connect isopotential point; coil L inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; coil L induction detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment (1) of cutting off the electricity supply.
4; multifunctional electric appliance equipment protector according to claim 1; it is characterized in that the lightning arrester testing circuit is made up of lightning arrester B and coil L; three-phase and four-line; phase three-wire three or single-phase in each line of any external power of supply power mode be connected with corresponding lightning arrester B one end of lightning arrester testing circuit after inserting corresponding coil L respectively; corresponding another termination the earth of lightning arrester B or connect isopotential point; corresponding coil L inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; corresponding coil L induction detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment (1) of cutting off the electricity supply.
5; multifunctional electric appliance equipment protector according to claim 1; it is characterized in that the lightning arrester testing circuit is made up of lightning arrester B and coil L; three-phase and four-line; phase three-wire three or single-phase in each line of any external power of supply power mode be connected with corresponding lightning arrester B one end of lightning arrester testing circuit respectively; corresponding the lightning arrester B other end connects the earth or connects isopotential point after sealing in corresponding coil L respectively; corresponding coil L inserts electronic circuit LE; leakage tripping device is controlled by electronic circuit LE; corresponding coil L induction detects intensity of lightning; when the set point that surpasses electronic circuit LE; the leakage tripping device action disconnects circuit breaker the protection equipment (1) of cutting off the electricity supply.
6,, it is characterized in that lightning arrester B passes coil L induction and connects according to claim 1 or 2 or 3 or 4 or 5 described multifunctional electric appliance equipment protectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02229351 CN2549635Y (en) | 2002-05-07 | 2002-05-07 | Multifunctional safety device of electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02229351 CN2549635Y (en) | 2002-05-07 | 2002-05-07 | Multifunctional safety device of electrical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2549635Y true CN2549635Y (en) | 2003-05-07 |
Family
ID=33705679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02229351 Expired - Fee Related CN2549635Y (en) | 2002-05-07 | 2002-05-07 | Multifunctional safety device of electrical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2549635Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075735B (en) * | 2006-05-19 | 2011-05-11 | 庄洪春 | Method and device for lightning arresting switch |
| CN102386608A (en) * | 2011-11-25 | 2012-03-21 | 佛山市佛电电器有限公司 | Intelligent lightning protection residual current circuit breaker |
| CN103311882A (en) * | 2012-03-13 | 2013-09-18 | 深圳远征技术有限公司 | Lightning protection system |
-
2002
- 2002-05-07 CN CN 02229351 patent/CN2549635Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075735B (en) * | 2006-05-19 | 2011-05-11 | 庄洪春 | Method and device for lightning arresting switch |
| CN102386608A (en) * | 2011-11-25 | 2012-03-21 | 佛山市佛电电器有限公司 | Intelligent lightning protection residual current circuit breaker |
| CN103311882A (en) * | 2012-03-13 | 2013-09-18 | 深圳远征技术有限公司 | Lightning protection system |
| CN103311882B (en) * | 2012-03-13 | 2016-09-07 | 深圳远征技术有限公司 | A kind of lightning-protection system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |