CN106058800A - Multi-phase self-recovery overvoltage under-voltage protector of single circuit board - Google Patents
Multi-phase self-recovery overvoltage under-voltage protector of single circuit board Download PDFInfo
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- CN106058800A CN106058800A CN201610545987.4A CN201610545987A CN106058800A CN 106058800 A CN106058800 A CN 106058800A CN 201610545987 A CN201610545987 A CN 201610545987A CN 106058800 A CN106058800 A CN 106058800A
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- Prior art keywords
- relay
- group
- circuit plate
- control circuit
- coil pin
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
- H02H3/207—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage also responsive to under-voltage
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Abstract
The invention discloses a multi-phase self-recovery overvoltage under-voltage protector of a single circuit board. The multi-phase self-recovery overvoltage under-voltage protector comprises an upper cover, a foundation, an N-pole assembly, a relay assembly, a control circuit board and multiple sets of incoming and outgoing terminals, wherein one set of the incoming and outgoing terminals is connected with the N-pole assembly, the other sets of the incoming and outgoing terminals are respectively connected with leading pins of the relay assembly correspondingly, the relay assembly is mounted on the foundation, the leading pins of the relay assembly are arranged downwards, a coil leading pin of the relay assembly is arranged upwards, the control circuit board is arranged above the relay assembly, and a coil leading pin of the relay assembly is connected with a driving circuit of the control circuit board. The multi-phase self-recovery overvoltage under-voltage protector is advantaged in that a relay circuit board in an original structure is omitted, so the structure is compact and is convenient to mount, control on each phase of multiple phases can be conveniently realized, and an application scope of the protector is greatly expanded.
Description
Technical field
The present invention relates to appliance applications technical field, the heterogeneous self-recovering type over-and under-voltage particularly relating to a kind of single circuit plate is protected
Protect device.
Background technology
Self-recovering type over-and under-voltage protector is that one can disconnect automatically when in circuit, overvoltage and under-voltage exceed setting,
And energy automatic inspection line road voltage, when the device that voltage in circuit can close when recovering normal automatically.It is mainly used in family and business
Field distribution line is used as overvoltage, under-voltage, disconnected phase, line off zero protection.
The control circuit of existing self-recovering type over-and under-voltage protector uses high speed micro-low power consumption processor to be core, magnetic holding
Relay is main circuit, and when overvoltage, under-voltage occurs in supply line, protector can rapid under continuous high-pressure impacts, peace
Entirely cutting off circuit, it is to avoid abnormal voltage sends into the generation that terminal appliance causes the accident, when voltage recovers normal value, protector will
Automatic processing circuit at the appointed time, it is ensured that terminal appliance is properly functioning in the case of unmanned.
Existing self-recovering type over-and under-voltage protector is divided into single-phase protector and heterogeneous protector.Existing heterogeneous self-recovering type
Over-and under-voltage protector is usually three-phase and four-line, existing this heterogeneous self-recovering type over-and under-voltage protector generally include upper cover,
Base, N pole assembly, relay assembly, control circuit plate and relay circuit plate etc., this protector and have four groups into and out of
Line terminals, one of which is used for connecting N pole assembly into and out of line terminals, and other three groups are respectively intended to connect three into and out of line terminals
The leading foot of individual relay, three relays are separately mounted on base, and control circuit plate is located at the top of relay, Mei Geji
Electrical equipment is equipped with two leading foots and two coil pin, and the leading foot of relay and coil pin are all towards base direction, continue
Appliance circuit plate is located between the bottom of relay and base, and the coil pin of three relays is connected in relay electricity respectively in parallel
On the plate of road, it is connected between relay circuit plate with control circuit plate and has two holding wires, the detecting element on control circuit plate
When heterogeneous main current loop generation overvoltage or under-voltage fault being detected, control circuit plate is provided with drive circuit, control circuit
The drive circuit of plate drives signal by sending while three relays of two signal alignments, makes the action simultaneously of three relays take off
Button, it is achieved simultaneously cut off three major loops.This heterogeneous self-recovering type over-and under-voltage protector, one is to need to use two pieces of circuit
Plate (control circuit plate and relay circuit plate) so that structure is the compactest, and causes the cumbersome of installation；Two is due to three
The coil pin of individual relay is to be connected in parallel on relay circuit plate, and three relays can only action simultaneously, it is impossible to it is right to realize
Single-phase control in heterogeneous；Three are, when protector is applied to three-phase and four-line structure, need to use three relays, both cause
That installs is cumbersome, also result in the rising of cost of manufacture.
Summary of the invention
It is an object of the invention to overcome the deficiency of prior art, it is provided that the heterogeneous self-recovering type over-and under-voltage of a kind of single circuit plate
Protector, is improved by structure, can cancel relay circuit plate, so that compact conformation and installation are convenient, and Er Qiebian
It is respectively controlled each in heterogeneous is single-phase in realizing, thus has significantly expanded heterogeneous self-recovering type over-and under-voltage protector
Range.
The technical solution adopted for the present invention to solve the technical problems is: the heterogeneous self-recovering type over-and under-voltage of a kind of single circuit plate
Protector, including upper cover, base, N pole assembly, relay assembly, control circuit plate and many groups into and out of line terminals；Institute
Stating many groups and connect N pole assembly into and out of the one of which in line terminals into and out of line terminals, additionally each group is divided into and out of line terminals
Not corresponding each leading foot connected in relay assembly；Relay assembly is arranged on base, the leading foot court of relay assembly
Lower setting, the coil pin of relay assembly is arranged upward, and control circuit plate is located at the top of relay assembly, relay assembly
Coil pin be connected with the drive circuit in control circuit plate.
Described relay assembly is made up of a relay, and this relay is provided with multicomponent and is not connected in relay
The leading foot of sound contact, often group leading foot is connected into and out of a group in line terminals with corresponding described other each group respectively；
Being additionally provided with one group of coil pin on this relay, this group of coil pin is two, and said two coil pin connects respectively
On control circuit plate, and it is connected with the drive circuit in control circuit plate.
Described relay assembly is made up of a relay, and this relay is provided with multicomponent and is not connected in relay
The leading foot of sound contact, often group leading foot is connected into and out of a group in line terminals with corresponding described other each group respectively；
Being additionally provided with on this relay and organize coil pin more, often group coil pin is two, and described many group coil pin are connected to
On control circuit plate, and it is connected with the drive circuit in control circuit plate.
Drive circuit in described control circuit plate is multiple, and the many groups coil pin on one relay is respectively with multiple
Drive circuit correspondence is connected, to realize individually controlling the often group sound contact in this relay.
Described relay assembly is made up of multiple relays, each relay is respectively equipped with one group and is connected in self relay
The leading foot of sound contact, the leading foot on each relay respectively with corresponding described other each group into and out of in line terminals
One of which be connected；Further respectively having one group of coil pin on each relay, often group coil pin is two, described two
Individual coil pin is connected on control circuit plate, and is connected with the drive circuit in control circuit plate.
Drive circuit in described control circuit plate is one, this drive circuit respectively with each group of the plurality of relay
Coil pin is connected.
Drive circuit in described control circuit plate is multiple, the plurality of drive circuit respectively with each group of the plurality of relay
Coil pin correspondence is connected.
The edge of described upper cover is corresponding with the edge of base to connect；In one of them of upper cover and base, one group is relative
Side plate is respectively equipped with the chimb extended to abutting direction, and the outside of the end of chimb is provided with inclined-plane, the most another at upper cover and base
In one, the relative side plate of one group is provided with the breach for accommodating described chimb, and indentation, there is provided with for adapting to described chimb
The skewed slot of end.
The bottom of one group of relative side plate of described upper cover is provided with the chimb downwardly extended, and the outside of the end of chimb is provided with inclined-plane,
The upper end of one group of relative side plate of described base is provided with the breach of the chimb for accommodating described upper cover, and indentation, there is provided with for fitting
It is assigned in the skewed slot of the end of described chimb.
In another relative side plate of group of upper cover, downwardly extend and be provided with the plate being inserted into inside base, this another group phase
To the bottom of side plate be set to inclined-plane, its inclined-plane is from top to bottom in outward-dipping；In the side plate that another group of base is relative,
Its upper end is also set to inclined-plane, and its inclined-plane is from the bottom to top in sloping inwardly, when the edge of upper cover and the edge of base is corresponding connect time,
The inclined-plane of upper cover coincide with the inclined-plane of base and is affixed.
Compared with prior art, the invention has the beneficial effects as follows:
1, due to the fact that have employed and the leading foot of relay assembly is arranged down, by the coil pin of relay assembly upward
Arrange so that the coil pin of relay assembly can be connected with the control circuit plate being in above relay assembly, Jin Erke
To cancel relay circuit plate, become single circuit plate structure, so that the compact conformation of protector and installation are convenient, recycling
By in control circuit plate be used for drive relay to work design of drive circuit be multiple, and respectively with relay assembly respectively organize line
Circle pin is connected such that it is able to realizes being respectively controlled each in heterogeneous is single-phase, and then has significantly expanded heterogeneous from extensive
The range of compound over-and under-voltage protector.
2, due to the fact that have employed and the leading foot of relay assembly is arranged down, by the coil pin of relay assembly upward
Arrange, so that upper and lower at relay of the strong and weak electricity office that connected of relay, preferably achieve the separation of strong and weak electricity,
It is additionally, since control circuit plate and is located at the top of relay assembly, can directly be connected with coil pin, it is to avoid original side
Formula needs go between from above following and the drawback of broken string easily occurs.
3, due to the fact that have employed be provided with in one of them of upper cover and base to abutting direction extend chimb, chimb
The outside of end is provided with inclined-plane, is provided with the breach for accommodating described chimb, indentation, there in the other in which of upper cover and base
It is provided with the skewed slot of end for adapting to described chimb.The present invention passes through the inclined-plane of end and the coordinating of skewed slot of chimb, at dress
Timing is more easy to assemble (this is owing to the inclined-plane of chimb has guide effect), do not exist during dismounting problem that difficulty tears open (this be due to
Inclined-plane easily exited with coordinating of skewed slot), and, it is not easy to the feature of deformation after also there is being dismounted for multiple times.
4, due to the fact that and have employed in another relative side plate of group of upper cover, downwardly extend to be provided with and be inserted into inside base
Plate, the bottom of this another relative side plate of group is set to inclined-plane, and its inclined-plane is from top to bottom in outward-dipping；Another at base
In one group of relative side plate, its upper end is also set to inclined-plane, and its inclined-plane is from the bottom to top in sloping inwardly, when edge and the end of upper cover
When the edge correspondence of seat connects, the inclined-plane of upper cover coincide with the inclined-plane of base and is affixed.This structure make the inclined-plane of the side plate of upper cover with
The plate of upper cover is collectively forming a skewed slot such that it is able to be clipped in skewed slot the upper end of base side plate.Thus facilitate upper cover and the end
Mounting or dismounting between Zuo.
Below in conjunction with drawings and Examples, the present invention is described in further detail；But a kind of single circuit plate of the present invention is heterogeneous
Self-recovering type over-and under-voltage protector is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the D structure schematic diagram of the embodiment present invention；
Fig. 2 is the front view of the embodiment present invention；
Fig. 3 is the A portion enlarged diagram in Fig. 2；
Fig. 4 is the upper cover assembling schematic diagram with the rear apparent direction of base of the embodiment present invention；
Fig. 5 is the sectional view of line B-B along Fig. 4；
Fig. 6 is the structural representation of the embodiment present invention (after removing upper cover)；
Fig. 7 is the D structure decomposing schematic representation of the embodiment present invention；
Fig. 8 is the structure decomposing schematic representation of the embodiment present invention (main apparent direction)；
Fig. 9 is the structure decomposing schematic representation in the embodiment present invention (side-looking direction)；
Figure 10 is the control circuit plate connection diagram with relay of the embodiment present invention；
Figure 11 is the control circuit plate electrical connection schematic diagram with relay of the embodiment present invention.
Detailed description of the invention
Embodiment
See shown in Fig. 1 to Fig. 7, the heterogeneous self-recovering type over-and under-voltage protector of a kind of single circuit plate of the present invention, including
Upper cover 1, base 2, middle casing 3, N pole assembly 4, relay assembly 5, control circuit plate 6 and many groups are into and out of line
Terminal 7；Middle casing 3 is equivalent to bracing frame for installing relay assembly 5, control circuit plate 6 etc., the edge of upper cover 1
Being connected with the edge of base 2, middle casing 3, N pole assembly 4, relay assembly 5 and control circuit plate 6 etc. are contained in
In the space that upper cover 1 and base 2 are surrounded；The protector of the present embodiment is three-phase and four-line structure, thus have four groups into and out of
Line terminals 7, four groups connect N pole assembly 4, three groups additionally into and out of the one of which in line terminals 7 into and out of line terminals 71
Each leading foot being connected respectively in relay assembly into and out of line terminals 72；The present embodiment uses three relay schemes,
Relay assembly 5 is made up of three relays 51, and three relays 51 are separately mounted in middle casing 3, middle casing 3
Then it is arranged on base 2, each relay 51 is respectively equipped with the extraction of one group of sound contact being connected in self relay
Foot 52, leading foot 52 is arranged the most down, is towards base direction, and one group of leading foot 52 is two, each relay
Two leading foots 52 of 51 are connected into and out of the one of which in line terminals 72 with corresponding other three groups respectively；The most just
Be, the leading foot 52 of three relays 51 be connected respectively three groups into and out of line terminals 72, during connection, relay 51
It is to use wire to be connected between leading foot 52 with input terminal or outlet terminal 72；Further respectively have on each relay 51
One group of coil pin 53, often group coil pin 53 is two, and coil pin 53 is arranged upward, is towards upper cover direction,
Control circuit plate 6 is located at the top of relay assembly 5, and two coil pin 53 of each relay 51 are connected to control
On circuit board 6, and it is connected with the drive circuit in control circuit plate 6；So, six coil pin 53 are just had to be connected to
On control circuit plate 6；In the present embodiment, control circuit plate 6 is provided with three drive circuits 61, and three drive circuits 61 are respectively
Corresponding with the coil pin 53 of three relays it is connected.
In the present embodiment, the bottom of one group of relative side plate 10 of upper cover is provided with the chimb 11 downwardly extended, the end of chimb 11
The outside of end 12 is provided with inclined-plane 13, and the upper end of one group of relative side plate 20 of described base 2 is provided with for accommodating described upper cover
The breach 21 of chimb, be provided with the skewed slot 22 of end for adapting to described chimb at breach 21.
In the side plate 14 that another group of upper cover is relative, downwardly extend and be provided with the plate 15 being inserted into inside base, this another
The bottom organizing relative side plate 14 is set to inclined-plane 16, and its inclined-plane 16 is from top to bottom in outward-dipping；At another of base 2
Organizing in relative side plate 23, its upper end is also set to inclined-plane 24, and its inclined-plane 24 is from the bottom to top in sloping inwardly, when upper cover 1
Edge corresponding with the edge of base 2 when connecting, the inclined-plane 24 of the inclined-plane 16 of upper cover and base coincide and is affixed.
The heterogeneous self-recovering type over-and under-voltage protector of a kind of single circuit plate of the present invention, have employed the extraction of relay assembly
Foot 52 is arranged down, the coil pin 53 of relay assembly is arranged upward so that coil pin 53 energy of relay assembly
Enough it is connected with the control circuit plate 6 being in above relay assembly 5, and then original relay circuit plate can be cancelled, from
And make the compact conformation of protector and installation convenient, recycle the driving that will be used for driving relay to work in control circuit plate 6
Circuit 61 is designed as three, and is connected with each group coil pin 53 of relay assembly respectively such that it is able to realize three-phase
In each single-phase be respectively controlled, and then significantly expanded the range of heterogeneous self-recovering type over-and under-voltage protector.
It is of course also possible to be one by the design of drive circuit in control circuit plate 6, by two coils of three relays 51
Pin 53 is connected in parallel respectively and is connected in the single drive circuit of control circuit plate 6, so, and the control of control circuit plate 6
Three relays 51 are worked by signal processed simultaneously.
It is of course also possible to use a relay scheme, this scheme is necessary for arranging three groups of leading foots on a relay
Be connected respectively three groups into and out of line terminals 72, in control mode, can be that one group of coil pin is set, by this one
Group coil pin is connected on control circuit plate, and is connected with the drive circuit in control circuit plate, as such, it is possible to by one
Group coil pin controls three groups of sound contacts.
Certainly, for a relay scheme, it is also possible to use three groups of coil pin to control three groups of sound contacts respectively, this
Time, the drive circuit that arranges in control circuit plate can be used, so, three groups of sound contacts of relay are actions simultaneously；
Can also use three drive circuits that arrange in control circuit plate, so, three groups of sound contacts of relay are to be controlled respectively,
It is to say, the often group sound contact in a relay individually can be controlled.
The heterogeneous self-recovering type over-and under-voltage protector of a kind of single circuit plate of the present invention, have employed the extraction of relay assembly
Foot 52 is arranged down, the coil pin 53 of relay assembly is arranged upward, so that the strong and weak electricity that relay is connected divides
It is in the upper and lower of relay, preferably achieves the separation of strong and weak electricity, be additionally, since control circuit plate 6 and be located at relay assembly
The top of 5, can directly be connected with coil pin 53, it is to avoid needs to go between from above following and hold in original mode
The drawback of broken string easily occurs.
The heterogeneous self-recovering type over-and under-voltage protector of a kind of single circuit plate of the present invention, have employed at upper cover one group relative
The bottom of side plate 10 is provided with the chimb 11 downwardly extended, and the outside of the end 12 of chimb 11 is provided with inclined-plane 13, described base 2
The upper end of one group of relative side plate 20 be provided with the breach 21 of the chimb for accommodating described upper cover, be provided with at breach 21 for
Adapt to the skewed slot 22 of the end of described chimb.The present invention passes through the inclined-plane 13 of end 12 and the joining of skewed slot 22 of chimb 11
Close, be more easy to assemble (this is owing to the inclined-plane of chimb has guide effect) when assembling, during dismounting, there is not problem (this that difficulty is torn open
It is owing to inclined-plane easily exited with coordinating of skewed slot), and, it is not easy to the feature of deformation after also there is being dismounted for multiple times.This
Invention have employed in the side plate 14 that another group of upper cover is relative, downwardly extends and is provided with the plate 15 being inserted into inside base,
The bottom of this another relative side plate 14 of group is set to inclined-plane 16, and its inclined-plane 16 is from top to bottom in outward-dipping；At base 2
Another relative side plate 23 of group in, its upper end is also set to inclined-plane 24, and its inclined-plane 24 is from the bottom to top in sloping inwardly, when
The edge of upper cover 1 is corresponding with the edge of base 2 when connecting, and the inclined-plane 24 of the inclined-plane 16 of upper cover and base coincide and is affixed.This knot
Structure makes the inclined-plane 16 of the side plate 14 of upper cover be collectively forming a skewed slot with the plate 15 of upper cover such that it is able to by base side plate
Upper end be clipped in skewed slot.Thus facilitate the mounting or dismounting between upper cover and base.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention.Although the present invention with
Preferred embodiment is disclosed above, but is not limited to the present invention.Any those of ordinary skill in the art, without departing from this
In the case of inventive technique aspects, technical solution of the present invention is made many possible by the technology contents that all may utilize the disclosure above
Variation and modification, or be revised as equivalents Equivalent embodiments.Therefore, every content without departing from technical solution of the present invention,
According to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall in the present invention
In the range of technical scheme protection.
Claims (10)
1. a heterogeneous self-recovering type over-and under-voltage protector for single circuit plate, including upper cover, base, N pole assembly,
Relay assembly, control circuit plate and many groups are into and out of line terminals；Described many groups into and out of wherein in line terminals
Group connects N pole assembly into and out of line terminals, and additionally each group is connected respectively in relay assembly into and out of line terminals
Each leading foot；It is characterized in that: relay assembly is arranged on base, the leading foot of relay assembly is towards dividing into
Putting, the coil pin of relay assembly is arranged upward, and control circuit plate is located at the top of relay assembly, relay group
The coil pin of part is connected with the drive circuit in control circuit plate.
The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate the most according to claim 1, its feature exists
In: described relay assembly is made up of a relay, and this relay is provided with multicomponent and is not connected to relay
In the leading foot of sound contact, often group leading foot respectively with corresponding described additionally each group into and out of in line terminals
One group is connected；Being additionally provided with one group of coil pin on this relay, this group of coil pin is two, described two
Individual coil pin is connected on control circuit plate, and is connected with the drive circuit in control circuit plate.
The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate the most according to claim 1, its feature exists
In: described relay assembly is made up of a relay, and this relay is provided with multicomponent and is not connected to relay
In the leading foot of sound contact, often group leading foot respectively with corresponding described additionally each group into and out of in line terminals
One group is connected；Being additionally provided with on this relay and organize coil pin more, often group coil pin is two, described many groups
Coil pin is connected on control circuit plate, and is connected with the drive circuit in control circuit plate.
The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate the most according to claim 3, its feature exists
In: the drive circuit in described control circuit plate is multiple, the many groups coil pin on one relay respectively with
Multiple drive circuit correspondences are connected, to realize individually controlling the often group sound contact in this relay.
The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate the most according to claim 1, its feature exists
In: described relay assembly is made up of multiple relays, each relay is respectively equipped with one group and is connected to self relay
The leading foot of the sound contact in device, the leading foot on each relay respectively with corresponding described other each group enter,
One of which in outlet terminal is connected；Further respectively having one group of coil pin on each relay, often group coil draws
Foot is two, and said two coil pin is connected on control circuit plate, and electric with the driving in control circuit plate
Road is connected.
The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate the most according to claim 5, its feature exists
In: the drive circuit in described control circuit plate is one, this drive circuit respectively with the plurality of relay
Each group coil pin is connected.
The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate the most according to claim 5, its feature exists
In: the drive circuit in described control circuit plate is multiple, the plurality of drive circuit respectively with the plurality of relay
Each group coil pin correspondence is connected.
The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate the most according to claim 1, its feature exists
In: the edge of described upper cover is corresponding with the edge of base to connect；In one of them of upper cover and base, one group phase
To side plate be respectively equipped with to abutting direction extend chimb, the outside of the end of chimb is provided with inclined-plane, in upper lid and bottom
In the other in which of seat, the relative side plate of one group is provided with the breach for accommodating described chimb, and indentation, there is provided with use
Adapt to the skewed slot of the end of described chimb.
The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate the most according to claim 8, its feature exists
In: the bottom of one group of relative side plate of described upper cover is provided with the chimb downwardly extended, and the outside of the end of chimb is provided with
Inclined-plane, the upper end of one group of relative side plate of described base is provided with the breach of the chimb for accommodating described upper cover, breach
Place is provided with the skewed slot of the end for adapting to described chimb.
The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate the most according to claim 9, its feature exists
In: at the side plate that another group of upper cover is relative, downwardly extend and be provided with the plate being inserted into inside base, this another
The bottom organizing relative side plate is set to inclined-plane, and its inclined-plane is from top to bottom in outward-dipping；Relative in another group of base
Side plate in, its upper end is also set to inclined-plane, and its inclined-plane is from the bottom to top in sloping inwardly, when edge and the base of upper cover
Edge correspondence when connecting, the inclined-plane of upper cover coincide with the inclined-plane of base and is affixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545987.4A CN106058800A (en) | 2016-07-04 | 2016-07-04 | Multi-phase self-recovery overvoltage under-voltage protector of single circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545987.4A CN106058800A (en) | 2016-07-04 | 2016-07-04 | Multi-phase self-recovery overvoltage under-voltage protector of single circuit board |
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|---|---|
| CN106058800A true CN106058800A (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610545987.4A Pending CN106058800A (en) | 2016-07-04 | 2016-07-04 | Multi-phase self-recovery overvoltage under-voltage protector of single circuit board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019201210A1 (en) * | 2018-04-16 | 2019-10-24 | 松下知识产权经营株式会社 | Self-reset over/under-voltage protector |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115597U (en) * | 1992-03-17 | 1992-09-09 | 姜甦 | Safety box of electric power supply |
| US20040184208A1 (en) * | 2003-03-19 | 2004-09-23 | Daniel Liu | Power protecting device for electrical power source and load |
| CN2764033Y (en) * | 2004-03-23 | 2006-03-08 | 潍坊开发区华为电气有限公司 | Breaker coil protector |
| CN1988263A (en) * | 2005-10-24 | 2007-06-27 | 蒂科电子奥地利有限责任公司 | Electrical device, particularly relay socket, with spring clip and method of manufacture |
| CN201708110U (en) * | 2010-05-07 | 2011-01-12 | 天津市百利电气有限公司 | Electronic overload relay with mechanism for preventing fixed contact from moving |
| CN203055788U (en) * | 2013-01-04 | 2013-07-10 | 安徽达尔智能控制系统有限公司 | Relay housing |
| CN204012684U (en) * | 2014-07-18 | 2014-12-10 | 施耐德电气（中国）有限公司 | Possesses the heterogeneous overvoltage/under-voltage failure protecting device of Self-resetting function |
| CN105703327A (en) * | 2016-03-08 | 2016-06-22 | 杭州鸿雁电力电气有限公司 | Convenient-to-assemble type self-resetting over-voltage and under-voltage protector |
| CN205846691U (en) * | 2016-07-04 | 2016-12-28 | 厦门宏发开关设备有限公司 | The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate |
-
2016
- 2016-07-04 CN CN201610545987.4A patent/CN106058800A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115597U (en) * | 1992-03-17 | 1992-09-09 | 姜甦 | Safety box of electric power supply |
| US20040184208A1 (en) * | 2003-03-19 | 2004-09-23 | Daniel Liu | Power protecting device for electrical power source and load |
| CN2764033Y (en) * | 2004-03-23 | 2006-03-08 | 潍坊开发区华为电气有限公司 | Breaker coil protector |
| CN1988263A (en) * | 2005-10-24 | 2007-06-27 | 蒂科电子奥地利有限责任公司 | Electrical device, particularly relay socket, with spring clip and method of manufacture |
| CN201708110U (en) * | 2010-05-07 | 2011-01-12 | 天津市百利电气有限公司 | Electronic overload relay with mechanism for preventing fixed contact from moving |
| CN203055788U (en) * | 2013-01-04 | 2013-07-10 | 安徽达尔智能控制系统有限公司 | Relay housing |
| CN204012684U (en) * | 2014-07-18 | 2014-12-10 | 施耐德电气（中国）有限公司 | Possesses the heterogeneous overvoltage/under-voltage failure protecting device of Self-resetting function |
| CN105703327A (en) * | 2016-03-08 | 2016-06-22 | 杭州鸿雁电力电气有限公司 | Convenient-to-assemble type self-resetting over-voltage and under-voltage protector |
| CN205846691U (en) * | 2016-07-04 | 2016-12-28 | 厦门宏发开关设备有限公司 | The heterogeneous self-recovering type over-and under-voltage protector of single circuit plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019201210A1 (en) * | 2018-04-16 | 2019-10-24 | 松下知识产权经营株式会社 | Self-reset over/under-voltage protector |
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Application publication date: 20161026 |