CN204068214U - Storage battery connecting line polarity intelligent identification protecting device - Google Patents
Storage battery connecting line polarity intelligent identification protecting device Download PDFInfo
- Publication number
- CN204068214U CN204068214U CN201420341375.XU CN201420341375U CN204068214U CN 204068214 U CN204068214 U CN 204068214U CN 201420341375 U CN201420341375 U CN 201420341375U CN 204068214 U CN204068214 U CN 204068214U
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- polarity
- storage battery
- circuit
- intelligent identification
- connecting line
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Abstract
The utility model relates to automobile and relates to electronic protection field, particularly relates to a kind of protection connecting circuit device preventing storage battery reversal connection.The purpose of this utility model is to provide a kind of storage battery connecting line polarity intelligent identification protecting device; when its emergency power supply or standby battery connect contrary with motor vehicles storage battery polarity; polarity intelligent identification protecting jockey can not work, and thoroughly can stop the situation because connecting line polarity connection causes storage battery or charger to burn on the contrary and bring unexpected life to injure to operating personnel.The utility model is primarily of housing and the control circuit board be placed in housing, case panel LED display lamp, audio loudspeaker and the two pairs of crocodile clip storage battery connecting lines formations being placed in housing shell; be placed with lithium battery group for device in enclosure interior and working power is provided; whole polarity intelligent identification protecting jockey is an independent entirety, convenient operation and carrying.
Description
Technical field
The present invention relates to automobile and relate to electronic protection field, particularly relate to a kind of protection connecting circuit device preventing storage battery reversal connection.
Background technology
In prior art, when the storage battery of motor vehicles cannot start work, emergency power supply or standby battery is usually adopted to replace the storage battery of motor vehicles self to carry out startup work.When the storage battery connecting line of required emergency power supply or standby battery is connected with the storage battery of motor vehicles, general connection status is that positive pole connects positive pole, negative pole connects negative pole, but current used storage battery connecting line, there is no the measure of any current polarity protection, two pairs of crocodile clips are indicated by color that is red and black, identify in time operating for user and use, this kind of practice is still has quite high potentially danger, once user's polarity is done instead or two crocodile clips touch together by operating process because of carelessness, the electric power of two storage battery rooms reversal connection state or short-circuit condition, at this moment even unexpected life is brought to injure the situation that the powerful spark of generation can cause storage battery or charger to burn to operating personnel.In view of current used storage battery connecting line, because of without any safeguard measure, be to allow the device of user's safety operation as one, obviously have necessity extremely to be modified.
Summary of the invention
The object of the present invention is to provide a kind of storage battery connecting line polarity intelligent identification protecting device; when its emergency power supply or standby battery connect contrary with motor vehicles storage battery polarity; polarity intelligent identification protecting jockey can not work, and thoroughly can stop the situation because connecting line polarity connection causes storage battery or charger to burn on the contrary and bring unexpected life to injure to operating personnel.
For achieving the above object, technical scheme of the present invention realizes like this, a kind of storage battery connecting line polarity intelligent identification protecting device, it is characterized in that: this device is made up of A/B/C tri-unit, wherein A unit is by connecting crocodile clip 2, polarity detection circuit 3, display circuit 4 and executive circuit 5 form, voltage is sent into polarity detection circuit 3 through connecting crocodile clip 2 by motor vehicle storage battery 1, if detection signal is sent into control circuit 10 by polarity of voltage correct polarity testing circuit 3, executive circuit 5 obtains the action command of control circuit 10 and completes motor vehicle storage battery polarity detection action.
Unit B forms by connecting crocodile clip 9, polarity detection circuit 6, display circuit 8 and executive circuit 7, voltage is sent into polarity detection circuit 6 through connecting crocodile clip 9 by back-up source 11, if detection signal is sent into control circuit 10 by polarity of voltage correct polarity testing circuit 6, executive circuit 7 obtains the action command of control circuit 10 and and completes the action of back-up source Check up polarity.
Motor vehicle storage battery 1 is sent into magnetic latching relay 5 by connecting crocodile clip 2, back-up source 11 sends into magnetic latching relay 7 by connecting crocodile clip 9, if two ends polarity connects correct, now the voltage of back-up source 11 will transport to motor vehicle storage battery 1 and complete the startup work of motor vehicles.
If polarity of voltage mistake; polarity detection circuit 3 sends into control circuit 10 without detection signal; executive circuit 5 does not obtain action command can not action; although motor vehicle storage battery 1 be connected crocodile clip 2 and be connected but cannot connect with back-up source 11; red LED lamp now above polarity intelligent identification protecting jockey will be glimmered, and alert connects crocodile clip 2 and connects incorrect polarity.
As a further improvement on the present invention, voltage is sent into polarity detection circuit 6 through connecting crocodile clip 9 by back-up source 11, if detection signal is sent into control circuit 10 by polarity of voltage correct polarity testing circuit 6, the action command that executive circuit 7 obtains control circuit 10 is by back-up source 11 by connecting crocodile clip 9 UNICOM back-up source 11, and now the voltage of back-up source 11 will transport to motor vehicle storage battery 1 and complete the startup work of motor vehicles.
If polarity of voltage mistake; polarity detection circuit 6 sends into control circuit 10 without detection signal; executive circuit 7 does not obtain action command can not action; although back-up source 11 be connected crocodile clip 9 and be connected but cannot connect with motor vehicle storage battery 1; blue led lamp now above polarity intelligent identification protecting jockey will glimmer, and alert connects incorrect polarity.
As a further improvement on the present invention, C unit is made up of control circuit 10, voice message 13 and lithium battery 12, when polarity connects correct, prompting is all informed by voice 13, and lithium battery 12 is control circuit 10, magnetic latching relay 5 and magnetic latching relay 7 provide working power.
Improvement of the present invention is:
1, storage battery connecting line polarity intelligent identification protecting device is formed primarily of housing and two pairs of crocodile clip storage battery connecting lines being placed in control circuit board in housing, case panel LED display lamp, audio loudspeaker and being placed in housing shell; be placed with lithium battery group for device in enclosure interior and working power is provided; whole polarity intelligent identification protecting jockey is an independent entirety, convenient operation and carrying.
2, the two pairs of crocodile clip storage battery connecting lines being placed in housing shell junctor motor-car storage battery or stand-by power supply without the need to distinguishing, can greatly facilitate the operation of user arbitrarily any pair.
control unit be completed by microprocessor rightcrocodile clip storage battery connecting line
the polarization state of the storage battery connected, and then output switching control signal is to magnetic latching relay; Microprocessor is adopted to greatly reduce than component number more stable, that adopt in the control circuit performance adopting discrete device to build as controlling.
Magnetic latching relay is adopted to be as performing its advantage of switch: the normally closed or normally open of magnetic latching relay is that the magnetic force relying on permanent-magnet steel generation kept completely, and the conversion of its on off state leans on the pulse electrical signal of one fixed width to trigger.As long as magnetic latching relay forward electricity will forever adhesive, just do not need to keep voltage when contact is in hold mode, just add reverse voltage if will discharge, reliable operation, energy-conservation.
Accompanying drawing explanation
Fig. 1: the general frame
Fig. 2: polarity intelligent identification protecting jockey catenation principle figure
Fig. 3: the working state figure when wiring of polarity intelligent identification protecting jockey is correct
Fig. 4: working state figure when polarity intelligent identification protecting jockey Y+ and Y-wiring error
Fig. 5: working state figure when polarity intelligent identification protecting jockey X+ and X-wiring error
Fig. 6: magnetic latching relay drive principle figure
Fig. 7: charhing unit circuit diagram
Fig. 8: outside drawing
embodiment
main purpose of the present invention is to provide a kind ofpolarity intelligent identification protecting jockey,
can automatically detect judgement two rightcrocodile clip storage battery connecting line
whether the motor vehicle storage battery polarity connected is consistent with stand-by power supply polarity, to guarantee that the polarity of motor vehicle storage battery polarity and stand-by power supply polarity is exact connect ion.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
In Fig. 2, Y+ and Y-is a pair crocodile clip storage battery connecting line of polarity intelligent identification protecting jockey, when motor vehicle accumulator jar is connected with Y+ and Y-crocodile clip storage battery connecting line, if when polarity is correct, light-sensitive device G1 works, light-sensitive device G1 outputs signal control board, microprocessor on control board sends action command and makes magnetic latching relay coil obtain electric J1 action, control contact J1-1 and J1-2 of magnetic latching relay J1 closes, the generating positive and negative voltage terminal of motor vehicle accumulator jar is by Y+ and Y-crocodile clip storage battery connecting line, control contact J1-1 and J1-2 of magnetic latching relay J1 and control fixed contact J2-1 and J2-2 of magnetic latching relay J2 connects.Meanwhile, the microprocessor on control board sends action command when making magnetic latching relay coil obtain electric J1 action, and sound circuit will send the correct suggestion voice of polarity.
In same Fig. 2, X+ and X-is a pair crocodile clip storage battery connecting line of polarity intelligent identification protecting jockey, when back-up source is connected with X+ and X-crocodile clip storage battery connecting line, if when polarity is correct, light-sensitive device G2 works, light-sensitive device G2 outputs signal control board, microprocessor on control board sends action command and makes magnetic latching relay coil obtain electric J2 action, control contact J2-1 and J2-2 of magnetic latching relay J2 closes, the generating positive and negative voltage terminal of back-up source is by X+ and X-crocodile clip storage battery connecting line, control contact J2-1 and J2-2 of magnetic latching relay J2 and control contact J1-1 and J1-2 of magnetic latching relay J1 connects.Meanwhile, the microprocessor on control board sends action command when making magnetic latching relay coil obtain electric J2 action, and sound circuit will send the correct suggestion voice of polarity.The generating positive and negative voltage of such back-up source has been delivered on the positive and negative terminal of motor vehicle storage battery by X+ and X-crocodile clip storage battery connecting line, control contact J2-1 and J2-2 of magnetic latching relay J2 and control contact J1-1 and J1-2 of magnetic latching relay J1 and Y+ and Y-crocodile clip storage battery connecting line and has been completed a course of work, and now circuit working state as shown in Figure 3.
If during Y+ and Y-crocodile clip storage battery connecting line connection error, light-sensitive device G1 does not work non-output signal to control board, microprocessor on control board also would not send action command and make magnetic latching relay J1 action, relay J 1 does not work, control contact J1-1 and J1-2 of relay J 1 is in off-state, now LED 1 is in forward connection, electric current makes it send ruddiness by current-limiting resistance R3 and LED 1, alert reverse polarity connection, now circuit working state as shown in Figure 4
If during X+ and X-crocodile clip storage battery connecting line connection error, light-sensitive device G2 does not work non-output signal to control board, microprocessor on control board also would not send action command and make magnetic latching relay J2 action, relay J 2 does not work, control contact J2-1 and J2-2 of relay J 2 is in off-state, now LED 1 is in forward connection, electric current makes it send blue light by current-limiting resistance R6 and LED 2, alert reverse polarity connection, now circuit working state as shown in Figure 5.
Fig. 6 is that magnetic keeps driver control schematic diagram, and present invention employs two magnetic latching relays, this is one of them magnetic latching relay control principle drawing, and another operation principle is the same.Microprocessor on control board plate to export through drive circuit and diode D1, D2 through resistance R1, R2 to ground, maintenance low level.Like this when adding high level at A end, magnetic latching relay action, contact 1 and 2 and 3 and 4 is connected, automobile storage battery voltage exports through contact, otherwise add high level at B end, magnetic latching relay involution, contact 1 and 2 and 3 and 4 disconnects, automobile storage battery voltage cannot export through contact, BL8023 is that bidirectional relay drives integrated special circuit, for controlling the work of magnetic latching relay, has output current large, the feature that quiescent dissipation is little, BL8023 bidirectional relay drive integrated circult pin function is as follows:
3 pin: input A connects trigger impulse, also can connect level triggers;
7 pin: input B connects trigger impulse, also can connect level triggers;
2 pin, 6 pin are sky pin;
1 pin: the line bag one end exporting QA contact relay;
5 pin: the line bag other end of input QB contact relay;
8 pin: Vdd adds relay working voltage anode;
4 pin: V ss adds relay working voltage negative terminal.
Fig. 7 is charhing unit circuit diagram, and lithium ion battery is a kind of rechargeable battery, it mainly rely on lithium ion between a positive electrode and a negative electrode movement carry out work, be the representative of modern high performance battery.Lithium battery major advantage: energy comparison height is about 6-7 times of lead-acid battery; Long service life, useful life can reach more than 6 years; Rated voltage high (monomer operating voltage is 3.7V or 3.2V), approximates the series voltage of 3 NI-Gs or nickel-hydrogen chargeable cell, is convenient to composition battery supply group; Possesses high power endurance; Self-discharge rate is very low, and this is one of the most outstanding superiority of this battery, generally can accomplish below 1%/moon, less than 1/20 of Ni-MH battery; Lightweight, under same volume, weight is about the 1/6-1/5 of plumbic acid product; High/low temperature strong adaptability, can at-20 DEG C--use under the environment of 60 DEG C; The present invention adopts 4 joint square 3.7v lithium batteries (model 523450), for providing power supply for control and executive circuit, adopts the charger special circuit chip CN3703 of constant current/constant voltage charging to carry out Charge Management to lithium ion battery.This chip is PWM decompression mode lithium ion Charge Management integrated circuit, and independently can carry out comprehensively management automatically to lithium ion cell charging, have packaging appearance little, peripheral component is few and use the advantages such as simple.The input voltage of charhing unit takes out from the direct voltage outputting to LED module group unit, 15 pin of charger circuit chip CN3703 are added to after electric capacity 6C1, the 1 pin builtin voltage modulator of charger circuit chip CN3703 exports, for internal drive circuits provides power supply, at the electric capacity 6C2 of an indirect 100nF of 1 pin and 15 pins; The 4 pin outer meeting resistance R2 of charger circuit chip CN3703 and LED 2, during charging, LED 2 is bright, the 5 pin outer meeting resistance R1 of charger circuit chip CN3703 and LED 1, and at the end of charging, LED 1 is bright; The 6 pin battery temperature monitor input terminals of charger circuit chip CN3703, the thermistor Rt of a negative temperature coefficient is connected between this pin to ground, if battery temperature exceeds normal range (NR), charging process will be suspended, until battery temperature is returned in normal temperature range; The 13 pin charging currents of charger circuit chip CN3703 detect positive input terminals, and this pin and 14 pins measure the voltage that charging current detects resistance R6 two ends, and this voltage signal is fed back to chip carry out current-modulation; The grid of the outer P channel MOS field-effect transistor Q1 of 16 pin driving chips of charger circuit chip CN3703, when control signal is high level, Q1 conducting, 16 pin are that low level forbids charging; When control signal is low level, Q1 turns off, and the voltage of 6 pin is determined by the thermistor Rt resistance value of negative temperature coefficient, carries out normal battery temperature monitoring.
Fig. 8 is storage battery connecting line polarity intelligent identification protecting device appearance schematic diagram of the present invention.
The content that this specification is not described in detail belongs to and well known to a person skilled in the art prior art; illustrate although the present invention is own by relevant case study on implementation and describe; but; those skilled in the art should be understood; in the scope of claims; can do the various change in form and details, therefore protection scope of the present invention is when being as the criterion with claims.
Claims (3)
1. a storage battery connecting line polarity intelligent identification protecting device is characterized in that: this device is made up of A/B/C tri-unit, wherein A unit is by connecting crocodile clip (2), polarity detection circuit (3), display circuit (4) and executive circuit (5) composition, voltage is sent into polarity detection circuit (3) through connecting crocodile clip (2) by motor vehicle storage battery (1), if detection signal is sent into control circuit (10) by polarity of voltage correct polarity testing circuit (3), executive circuit (5) obtains the action command of control circuit (10) and completes motor vehicle storage battery polarity detection action, unit B forms by connecting crocodile clip (9), polarity detection circuit (6), display circuit (8) and executive circuit (7), voltage is sent into polarity detection circuit (6) through connecting crocodile clip (9) by back-up source (11), if detection signal is sent into control circuit (10) by polarity of voltage correct polarity testing circuit (6), executive circuit (7) obtain control circuit (10) action command and and complete the action of back-up source Check up polarity, by control circuit (10), voice message (13) and lithium battery, (12 (form C unit, when polarity connects correct, prompting is all informed by voice (13), and lithium battery (12) is control circuit (10), magnetic latching relay (5) and magnetic latching relay (7) provide working power.
2. a kind of storage battery connecting line polarity intelligent identification protecting device is characterized in that according to claim 1: primarily of housing and the control circuit board be placed in housing, case panel LED display lamp, audio loudspeaker and the two pairs of crocodile clip storage battery connecting lines formations being placed in housing shell; be placed with lithium battery group for device in enclosure interior and working power is provided; whole polarity intelligent identification protecting jockey is an independent entirety, convenient operation and carrying.
3. a kind of storage battery connecting line polarity intelligent identification protecting device is characterized in that according to claim 1: adopt magnetic latching relay as execution switch, reliable operation, energy-conservation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341375.XU CN204068214U (en) | 2014-06-25 | 2014-06-25 | Storage battery connecting line polarity intelligent identification protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341375.XU CN204068214U (en) | 2014-06-25 | 2014-06-25 | Storage battery connecting line polarity intelligent identification protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068214U true CN204068214U (en) | 2014-12-31 |
Family
ID=52209661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420341375.XU Expired - Fee Related CN204068214U (en) | 2014-06-25 | 2014-06-25 | Storage battery connecting line polarity intelligent identification protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204068214U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842800A (en) * | 2015-04-11 | 2015-08-19 | 深圳市鑫嘉恒科技有限公司 | Output circuit with power source polarity reverse connection protection for automobile starting circuit |
| CN105186485A (en) * | 2015-07-31 | 2015-12-23 | 许继集团有限公司 | Misconnection protective circuit |
-
2014
- 2014-06-25 CN CN201420341375.XU patent/CN204068214U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842800A (en) * | 2015-04-11 | 2015-08-19 | 深圳市鑫嘉恒科技有限公司 | Output circuit with power source polarity reverse connection protection for automobile starting circuit |
| CN104842800B (en) * | 2015-04-11 | 2018-01-16 | 深圳市鑫嘉恒科技有限公司 | Automobile starting power output circuit with protection to error-polarity connection of power supply |
| CN105186485A (en) * | 2015-07-31 | 2015-12-23 | 许继集团有限公司 | Misconnection protective circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |