CN100429095C - Power supply safety device of vehicle - Google Patents
Power supply safety device of vehicle Download PDFInfo
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- CN100429095C CN100429095C CNB2005100605132A CN200510060513A CN100429095C CN 100429095 C CN100429095 C CN 100429095C CN B2005100605132 A CNB2005100605132 A CN B2005100605132A CN 200510060513 A CN200510060513 A CN 200510060513A CN 100429095 C CN100429095 C CN 100429095C
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- contact head
- power supply
- movable contact
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- safety device
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Abstract
The present invention provides a danger protection device of a vehicle power supply, which belongs to the field of a protection device. The present invention solves the defects that a danger protection device of the existing vehicle power supply can not stably supply power and can not be repeatedly used. Besides, the danger protection device of the existing vehicle power supply has higher safety hidden danger and is affected by environmental influence. The danger protection device of a vehicle supply power is arranged between a vehicle power supply and a load for a vehicle and comprises double gold sheets, a current limiting coil, a movable contact head and a fixing contact head, wherein the double gold sheets are connected in series; a mechanical control structure is arranged between the double gold sheets and the movable contact head; when the double gold sheets are deformed, the mechanical control structure can make the movable contact head move; a movable core is arranged in the current limiting coil; a mechanical linkage structure is arranged between the core and the movable contact head and is used for making the core and the movable contact head link. The danger protection device of a vehicle power supply has the advantages of simple circuit structure, high safety performance, good work stability, high sensitivity, small external disturbance and long service life. Besides, the present invention can automatically complete circuit monitoring.
Description
Technical field
The present invention relates to the protective device field, especially relate to a kind of be used to protect automobile power circuit overload and short circuited power supply safety device of vehicle.
Background technology
Under abnormal condition such as overload, short circuit, high pressure, under-voltage, high temperature, will produce wild effect during the power work of automobile.For it is played a protective role, the general safety plate that adopts is as the power protection facility on the automobile battery power supply circuit.
For example, Chinese patent literature disclose a kind of automobile power source with fender guard (application number: 00252356), include: a Plug Division, this Plug Division front end can insert the automobile smoking base, the rear end has a frame and meets portion, has several slots and positive and negative and power supply contact pin and frame connects portion inside; One sheet lock type wire fuse, this wire fuse can insert in the slot of one of aforementioned Plug Division, and power protection is provided; One extension, front end have and meet portion with frame and connect piece to being referred to as frame, and frame connects piece and all have slotted eye, the power supply after the conducting of Plug Division can be drawn by the rear end extension line, provide the power supply that uses electrical appliance in the car to use, and can safeguard the safety of electrical appliance.
But, because become flexible easily safety plate and Insurance Block joint, power supply instability and sealing property are relatively poor, can not repeated use.During vehicle drive, when the rainy day, road muddy water splashed, just cause safety plate and Insurance Block bad contact easily, Vehicle Power outage phenomenon occurs through regular meeting.In order to guarantee the power supply supply regular power, people will artificially reequip circuit when outage, or directly power lead are linked to each other with consumer.Even also have many manufacturers in order to guarantee the power supply supply regular power, when dispatching from the factory, just power lead is directly linked to each other with consumer.Though aforesaid way can guarantee continued power to a certain extent, but exists great potential safety hazard.Vehicle Power is easy to cause heavy-current discharge, short circuit phenomenon occurs, not only can damage power lead and consumer, even can cause self-burning of vehicle.
Summary of the invention
The objective of the invention is at the problems referred to above, provide a kind of reasonable in design, line construction is simple, safety performance is high, good operating stability, the power supply safety device of vehicle that can in time cut off the electricity supply automatically when circuit instability or heavy-current discharge occurring; It is comparatively complicated to have solved the existing in prior technology structure, poor safety performance, the technical matters that working stability is not high.
Another object of the present invention is at the problems referred to above, a kind of good airproof performance is provided, is subjected to that external interference is little, cost of manufacture is cheap, power supply safety device of vehicle that can repeated use; It is poor to have solved the existing in prior technology leak tightness, just causes safety plate and Insurance Block bad contact, power supply instability, cost of manufacture height when the rainy day, road muddy water splashed easily, technical matters that can't repeated use etc.
For achieving the above object, the present invention has adopted following technical proposal: this power supply safety device of vehicle, be arranged between automobile power source and the automobile-used load, it is characterized in that, it comprises two gold plaques of being cascaded, current-limiting inductor, movable contact head and fixing contact head; Be provided with a mechanical type control structure that when two gold plaque deformation, movable contact head is moved between two gold plaques and the movable contact head, a movable fuse is arranged in current-limiting inductor, between movable fuse and movable contact head, be provided with a mechanical serial verb construction that makes both interlocks.
The present invention creatively adopt a movable contact head and fixedly contact head be used for the disconnection of control circuit and unimpeded, because circuit is under the situation of overcurrent work, it is crooked that two gold plaques owing to be heated can produce time-delay, thereby cause movable contact head and fixing separating of contact head, disconnects feed circuit.Produce in circuit under the situation of big electric current, current-limiting inductor produces attractive force, and attraction activity fuse disconnects movable contact head and fixing contact head by being arranged on mechanical serial verb construction moment between movable fuse and the movable contact head, stops the power supply power supply.
In order further to improve circuit, in above-mentioned power supply safety device of vehicle, also be parallel with auxiliary bypass at the two ends of above-mentioned circuit series, be connected with the transistor diode circuit in the described auxiliary bypass.
In above-mentioned power supply safety device of vehicle, also be in series with a safety fuse on the above-mentioned circuit series.
In above-mentioned power supply safety device of vehicle, also be in series with one from the recovery and protection device in the above-mentioned auxiliary bypass.
In above-mentioned power supply safety device of vehicle, described mechanical type control structure comprises the turn knob that body, middle part and body are hinged, movable contact head is hinged by turning cylinder and body, a spring housing is connected on the turning cylinder, the two ends of spring act on respectively on body and the movable contact head, movable contact head is contacted with fixing contact head, one end of movable contact head can lean on mutually with an end of turn knob, can promote two gold plaques that turn knob is rotated when being provided with in deformation near the other end of turn knob.
Utilize this mechanical type control structure, make when two gold plaque generation deformation, drive movable contact head, make fixedly contact head of movable contact head disengaging by turn knob.
In above-mentioned power supply safety device of vehicle, the movable fuse end of described current-limiting inductor is located in the hole of movable contact head one end, is provided with the plush copper greater than the aperture on the top of movable fuse.In movable fuse retraction, plush copper fastens movable contact head one end, and it is separated with fixing contact head.
In above-mentioned power supply safety device of vehicle, be fixed with a contact on the described fixedly contact head, be provided with the contact that can contact at an end of movable contact head with contact.
, waterproof effect dustproof in order to play, in above-mentioned power supply safety device of vehicle, described body is a housing, and each part is loaded in the housing in described circuit series and the auxiliary bypass, and two coupling ends of circuit series link to each other with automobile-used load with automobile power source respectively.The osed top structure can reduce extraneous interference effectively, and the product of safety device is processed and use is all very convenient.
Compared with prior art, the advantage of this power supply safety device of vehicle is:
1, circuit structure is simple, the safety performance height, and good operating stability, sensitivity is higher, can finish circuit supervision automatically;
2, when the circuit overcurrent occurring, two gold plaques produce the time-delay bending owing to be heated, and can in time cut off the electricity supply automatically;
3, when instantaneous large-current occurring, current-limiting inductor produces attractive force, and attraction activity fuse can disconnect movable contact head and fixing contact head moment, stops the power supply power supply;
4, single-piece good airproof performance is subjected to external interference little, and cost of manufacture is cheap, and can repeated use, long service life, and kwh loss is little.
Description of drawings
Fig. 1 is the circuit structure diagram of power supply safety device of vehicle provided by the invention.
Fig. 2 is a power supply safety device of vehicle structural representation provided by the invention.
Among the figure, two gold plaques 1, current-limiting inductor 2, movable contact head 3, fixedly contact head 4, movable fuse 5, auxiliary bypass 6, transistor diode circuit 7, safety fuse 8, from recovery and protection device 9, turn knob 10, spring 11, turning cylinder 12, hole 13, plush copper 14, contact 15, contact 16, coupling end 17.
The specific embodiment
As shown in Figure 1, this power supply safety device of vehicle is arranged between automobile power source and the automobile-used load.It is overall package in an osed top housing, and link to each other with automobile-used load with automobile power source respectively by two coupling ends 17 of above-mentioned circuit series.Shell adopts the cryophylactic APS plastics of flame-resistant high-temperature-resistant casting to form, and adopts high strength after assembling is finished, and the sealant of high-and low-temperature resistance seals, to reach performance-oriented water proof and dust proof effect.
Protective circuit comprises two gold plaques 1 of being cascaded, current-limiting inductor 2, movable contact head 3 and fixing contact head 4.Be provided with a mechanical type control structure that when two gold plaque 1 deformation, movable contact head 3 is moved between two gold plaques 1 and the movable contact head 3, a movable fuse 5 is arranged in current-limiting inductor 2, between movable fuse 5 and movable contact head 3, be provided with a mechanical serial verb construction that makes both interlocks.Also be parallel with auxiliary bypass 6 at the two ends of circuit series, be connected with transistor diode circuit 7 in the described auxiliary bypass 6.Also be in series with a safety fuse 8 on the above-mentioned circuit series successively.Also be in series with one from recovery and protection device 9 in the above-mentioned auxiliary bypass 6.
As shown in Figure 2, mechanical type control structure comprises body, the turn knob 10 that middle part and body are hinged, movable contact head 3 is hinged by turning cylinder 12 and body, a spring 11 is socketed on the turning cylinder 12, the two ends of spring 11 act on respectively on body and the movable contact head 3, and movable contact head 3 is contacted with fixing contact head 4.One end of movable contact head 3 can lean on mutually with an end of turn knob 10, can promote two gold plaques 1 that turn knob 10 is rotated when being provided with in deformation near the other end of turn knob 10.Under the situation of circuit overcurrent work, it is crooked that two gold plaques 1 owing to be heated can produce time-delay, thereby cause movable contact head 3 and fixing separating of contact head 4, disconnects feed circuit.
The movable fuse 5 of current-limiting inductor 2 and the mechanical serial verb construction between the movable contact head 3 are such: movable fuse 5 ends are located in the hole 13 of movable contact head 3 one ends, are provided with the plush copper 14 greater than the aperture on the top of movable fuse 5.Therefore, by the translation of movable fuse 5, can drive movable contact head 3 actions.Fixedly be fixed with a contact 15 on the contact head 4, be provided with the contact 16 that can contact with contact 15 at an end of movable contact head 3.Produce in circuit under the situation of big electric current, current-limiting inductor 2 produces attractive forces, and attraction activity fuse 5 disconnects movable contact head 3 and fixing contact head 4 by above-mentioned mechanical serial verb construction moment, stops the power supply power supply.
After trouble-shooting, can be so that dead circuit resets, so that this device of repeated usage.
Although this paper used morely two gold plaques 1, current-limiting inductor 2, movable contact head 3, fixedly contact head 4, movable fuse 5, auxiliary bypass 6, transistor diode circuit 7, safety fuse 8, from terms such as recovery and protection device 9, turn knob 10, spring 11, turning cylinder 12, hole 13, plush copper 14, contact 15, contact 16, coupling ends 17, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (7)
1, a kind of power supply safety device of vehicle is arranged between automobile power source and the automobile-used load, it is characterized in that, it comprises two gold plaques (1) of being cascaded, current-limiting inductor (2), movable contact head (3) and fixing contact head (4); Be provided with a mechanical type control structure that when two gold plaque (1) deformation, movable contact head (3) is moved between two gold plaques (1) and the movable contact head (3), a movable fuse (5) is arranged in current-limiting inductor (2), between movable fuse (5) and movable contact head (3), be provided with a mechanical serial verb construction that makes both interlocks; Described mechanical type control structure comprises body, the turn knob (10) that middle part and body are hinged, movable contact head (3) is hinged by turning cylinder (12) and body, a spring (11) is socketed on the turning cylinder (12), the two ends of spring (11) act on respectively on body and the movable contact head (3), movable contact head (3) is contacted with fixing contact head (4), one end of movable contact head (3) can lean on mutually with an end of turn knob (10), can promote two gold plaques (1) that turn knob (10) is rotated when being provided with in deformation near the other end of turn knob (10).
2, power supply safety device of vehicle according to claim 1 is characterized in that, the two ends of described circuit series also are parallel with auxiliary bypass (6), is connected with transistor diode circuit (7) in the described auxiliary bypass (6).
3, power supply safety device of vehicle according to claim 1 is characterized in that, also is in series with a safety fuse (8) on the described circuit series.
4, power supply safety device of vehicle according to claim 2 is characterized in that, also is in series with one in the described auxiliary bypass (6) from recovery and protection device (9).
5, according to claim 1 or 2 or 3 or 4 described power supply safety device of vehicle, it is characterized in that, movable fuse (5) end of described current-limiting inductor (2) is located in the hole (13) of movable contact head (3) one ends, is provided with the plush copper (14) greater than the aperture on the top of movable fuse (5).
6, power supply safety device of vehicle according to claim 5 is characterized in that, is fixed with a contact (15) on the described fixedly contact head (4), is provided with the contact (16) that can contact with contact (15) at an end of movable contact head (3).
7, power supply safety device of vehicle according to claim 2, it is characterized in that, described body is a housing, and each part is loaded in the housing in described circuit series and the auxiliary bypass (6), and two coupling ends (17) of circuit series link to each other with automobile-used load with automobile power source respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100605132A CN100429095C (en) | 2005-08-29 | 2005-08-29 | Power supply safety device of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100605132A CN100429095C (en) | 2005-08-29 | 2005-08-29 | Power supply safety device of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1746055A CN1746055A (en) | 2006-03-15 |
| CN100429095C true CN100429095C (en) | 2008-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100605132A Expired - Fee Related CN100429095C (en) | 2005-08-29 | 2005-08-29 | Power supply safety device of vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN100429095C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069716B (en) * | 2010-12-22 | 2012-07-25 | 深圳市五洲龙汽车有限公司 | Electric vehicle with charging protection circuit |
| CN102069725B (en) * | 2010-12-22 | 2013-03-27 | 深圳市五洲龙汽车有限公司 | Electric vehicle |
| CN102087933B (en) * | 2011-01-06 | 2014-01-08 | 爱特科株式会社 | Circuit protector in vehicular external electrical appliance |
| CN104149794B (en) * | 2014-07-29 | 2016-06-01 | 鞍钢集团矿业公司 | electric locomotive operation control device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033367U (en) * | 1988-04-01 | 1989-03-01 | 张大根 | Automatic protector of car circuit from short circuit |
| EP0616350A1 (en) * | 1993-03-19 | 1994-09-21 | CMC Carl Maier + Cie AG | Automatic cutout |
| US5367279A (en) * | 1992-03-30 | 1994-11-22 | Texas Instruments Incorporated | Overcurrent protection device |
| CN2485781Y (en) * | 2001-04-09 | 2002-04-10 | 成劭颖 | Overload protecter |
| CN2485179Y (en) * | 2001-04-21 | 2002-04-10 | 付嘉林 | Protector for automobile electric power |
| CN2829172Y (en) * | 2005-08-29 | 2006-10-18 | 应云平 | Vehicle power supply protection device |
-
2005
- 2005-08-29 CN CNB2005100605132A patent/CN100429095C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033367U (en) * | 1988-04-01 | 1989-03-01 | 张大根 | Automatic protector of car circuit from short circuit |
| US5367279A (en) * | 1992-03-30 | 1994-11-22 | Texas Instruments Incorporated | Overcurrent protection device |
| EP0616350A1 (en) * | 1993-03-19 | 1994-09-21 | CMC Carl Maier + Cie AG | Automatic cutout |
| CN2485781Y (en) * | 2001-04-09 | 2002-04-10 | 成劭颖 | Overload protecter |
| CN2485179Y (en) * | 2001-04-21 | 2002-04-10 | 付嘉林 | Protector for automobile electric power |
| CN2829172Y (en) * | 2005-08-29 | 2006-10-18 | 应云平 | Vehicle power supply protection device |
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| Publication number | Publication date |
|---|---|
| CN1746055A (en) | 2006-03-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20110829 |