CN201257948Y - Automobile oil tank fuel and battery anti-theft alarm - Google Patents

Automobile oil tank fuel and battery anti-theft alarm Download PDF

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Publication number
CN201257948Y
CN201257948Y CNU2008201905735U CN200820190573U CN201257948Y CN 201257948 Y CN201257948 Y CN 201257948Y CN U2008201905735 U CNU2008201905735 U CN U2008201905735U CN 200820190573 U CN200820190573 U CN 200820190573U CN 201257948 Y CN201257948 Y CN 201257948Y
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CN
China
Prior art keywords
battery
oil
oil level
storage battery
line
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008201905735U
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Chinese (zh)
Inventor
李秀元
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李秀元
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Priority to CNU2008201905735U priority Critical patent/CN201257948Y/en
Application granted granted Critical
Publication of CN201257948Y publication Critical patent/CN201257948Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an alarm, in particular to an automobile oil tank fuel and a battery jar anti-theft alarm, which comprises a control line, an oil level sensing connecting line, a loudspeaker, an alarm body and a battery jar connecting line; wherein, the control line and one end of the oil level sensing connecting line are connected with the alarm body, the other end of the oil level sensing connecting line is connected with an automatic starting switch and a connecting line of the prior oil level display device respectively; and one side of the alarm body is connected with the battery jar lines through the battery jar lines, and the other end thereof is connected with the loudspeaker through loudspeaker conducting lines. By utilizing the characteristic that automobile oil tank fuel stolen liquid level declines inevitably, and the battery jar stolen battery jar lines shear inevitably, and the alarm body and the connecting line and the battery jar lines of the oil level display device are connected through the oil level sensing connecting line and the battery connecting line, and the anti-theft detection signals are obtained, thereby sending out alarming sound when the fuel and the battery jar are stolen, overcoming the deficiency of the automobile oil tank fuel and the battery jar anti-theft alarm of prior automatic. The alarm is used by large scale transport vehicles particularly.

Description

Automotive oil tank fuel oil and battery anti-theft alarm
Technical field:
The utility model relates to a kind of annunciator, is specifically related to a kind of automotive oil tank fuel oil and battery anti-theft alarm.
Background technology:
Vehicle fuel and storage battery are one of the most important propulsion source of automobile and important accessory, if do not have fuel oil and storage battery, automobile is with difficult to move even one step.Raising along with fuel oil and nonferrous metal price, under the ordering about of interests, theft fuel oil and storage battery are sold for money and are also become the means that the minority lawless person makes money to obtain storage battery in-to-in lead metal, this wherein also comprises the fuel oil in the automotive oil tank, and particularly some large-scale transport vehicles become the preferred object of lawless person's theft.
Steal fuel oil in the automotive oil tank and mainly contain two kinds of means, the one, from the screw of draining the oil of fuel tank bottom, oil is emitted, the 2nd, from the oil filling port of fuel tank oil is extracted out, and more simple for the theft of storage battery, directly cut short the storage battery line storage battery is stolen.In order to prevent lawless person's stolen and to steal storage battery, people are general to adopt following way antitheft, for draining the oil from fuel tank bottom or extracting fuel oil out the theft method, substantially all be to adopt the method that around the screw of draining the oil, installs protective device additional or on fuel lid, carry additionally a bright lock to prevent to steal oil from the oil filling port of fuel tank.For power lead being cut off the theft means of stealing storage battery, generally also be in the periphery of storage battery guard rail to be installed to prevent that storage battery is stolen.Though antitheft effect has been played in these above-mentioned measures to a certain extent, for bright lock, thief is easy to a lock and smashes and take off, and the stolen situation of fuel oil happens occasionally.And the storage battery anti-theft measure of guard rail is installed for the periphery, thief utilizes some microtools, also can easily storage battery be stolen in short a few minutes, and has no the sound.
Summary of the invention:
The purpose of this utility model is: provide a kind of when utilizing the automotive oil tank fuel oil stolen liquid level will descend, the characteristics that the stolen storage battery line of storage battery will be cut off, obtain the detection signal that the improper decline of pasta and storage battery line are cut off by sensor, thereby send alarm sound, remind vehicle owner or attendant to reach, the purpose of deterrence thief.And have simple in structure, the automotive oil tank fuel oil and the battery anti-theft alarm of characteristics such as productive costs is low, and is easy to install.
The utility model is to realize above-mentioned purpose by following technical solution:
A kind of automotive oil tank fuel oil and battery anti-theft alarm, it is by control line, oil level sensing connection lead, loud speaker, speaker wire, the annunciator body, the storage battery connection lead constitutes, it is characterized in that: an end of control line and oil level sensing connection lead is connected with the annunciator body, and the other end is connected with the connection lead of automobile starting switch with the oil level read out instrument respectively; Annunciator body one side is through storage battery connection lead and storage battery wire joint, and opposite side is connected with loud speaker by lead.
Described annunciator body is made of control circuit board, emergency battery and housing, and control circuit board and emergency battery are installed in the housing, and interconnect through lead.
Described control circuit board is adjusted circuit, storage battery testing circuit, oil level detection circuit, driving circuit and relay by IC chip, detection signal and is constituted, relay and signal adjustment circuit, oil level detection circuit polyphone connect, storage battery testing circuit and oil level detection circuit are parallel to driving circuit, and are connected with loud speaker.
The utility model beneficial effect compared with prior art is: the utility model is on the basis that does not change vehicle structure, be connected the control circuit board of annunciator body on the connection lead of existing oil level read out instrument by oil level sensing connection lead, by the storage battery connection lead with control circuit board and storage battery wire joint, to obtain oil level detection signal and storage battery detection signal, thereby fuel oil is stolen in automotive oil tank, improper decline of liquid level and storage battery line send alarm sound when being cut off, reach the prompting vehicle owner, the deterrence thief, prevent stolen purpose, overcome the deficiency of existing burglar alarm.And have characteristics simple in structure, easy to install, be particularly suitable for large-scale transport vehicle and use.
Description of drawings:
Fig. 1 is the structural representation of automotive oil tank fuel oil and battery anti-theft alarm;
Fig. 2 is the functional-block diagram of automotive oil tank fuel oil and battery anti-theft alarm.
Fig. 3 is the schematic circuit diagram of automotive oil tank fuel oil and battery anti-theft alarm.
Among the figure: 1, housing, 2, control circuit board, 3, oil level sensing connection lead, 4, the storage battery connection lead, 5, speaker wire, 6, emergency battery, 7, loud speaker, 8, control line, 9, the annunciator body.
The specific embodiment:
This automotive oil tank fuel oil and battery anti-theft alarm be by by control line 8, oil level sensing connection lead 3, and loud speaker 7, speaker wire 5, annunciator body 9, storage battery connection lead 4 constitutes.One end of control line 8 and oil level sensing connection lead 3 is connected with annunciator body 9, the other end of control line 8 and oil level sensing connection lead 3 is connected with the connection lead of automobile starting switch with the oil level read out instrument respectively, one end of storage battery connection lead 4 is connected annunciator body 9 one sides, the storage battery wire joint of the other end and storage battery; Annunciator body 9 opposite sides are connected with loud speaker 7 by speaker wire 5.
Annunciator body 9 is made of control circuit board 2, emergency battery 6 and housing 1, and control circuit board 2 and emergency battery are installed in the housing 1, and interconnects through lead.
Control circuit board 2 is adjusted circuit by detection signal, the storage battery testing circuit, the oil level detection circuit, driving circuit, relay, the IC chip constitutes, and relay is connected with signal adjustment circuit, oil level detection circuit polyphone connects, the storage battery testing circuit is parallel to driving circuit with the oil level detection circuit and is connected with loud speaker, and the IC chip includes two voltage comparators.When installing and using, the utility model is under the situation that does not change existing body structure, alarm body is connected with the connection lead of oil level read out instrument and the storage battery line and the loud speaker 7 of automobile starting switch, storage battery respectively with control line 8, storage battery connection lead 4 and speaker wire 5 by oil level sensing connection lead 3, annunciator body and loud speaker 7 are installed on the hull-down position.
Under the normal standby situation of automobile inoperative, control signal does not have high flat input, the contact of relay is conducting state, power line voltage is delivered to fuel level sensor 3 through J-1 and R1, the R1 dividing potential drop of connecting with fuel level sensor 3 produces the oil level detection signal, the oil level detection signal is sent to detection signal through the normally closed contact J-1 of relay and adjusts circuit, selects to enter the oil level detection circuit through adjusted signal by change-over swith K.When fuel oil is stolen, the oil level detection voltage of signals changes fast, cause the voltage on the C2 of oil level detection circuit to descend fast through adjusted detection signal, because the resistance of oil level detection circuit R10 is bigger, the speed that voltage on the oil level detection circuit C1 descends is lower than the voltage descending speed on the C2, cause the voltage of IC chip 2 pin to be higher than the voltage of 3 pin, at this moment, a voltage comparator of IC chip internal overturns, 1 pin output low level of IC chip, the base tension of Q1 is dragged down, the Q1 conducting, loud speaker 7 gets electric work.
Equally, under the normal circumstances, the storage battery cathode voltage is through R3 and R5, the dividing potential drop of R4 and R6 produces two groups of voltages, send into another voltage comparator of IC chip internal, because the dividing potential drop that R3 and R5 produce is higher than the branch voltage level of R4 and R6 generation, it is flat that 5 pin level of IC chip are higher than 6 pin points, the 7 pin output of IC chip is high-impedance state, stolen when storage battery, circuit was powered by emergency battery when the storage battery line was cut off, because the voltage of the effect emergency battery of D can not be sent to R3, the 5 pin voltages that cause the IC chip are zero, far below IC6 pin voltage, at this moment another voltage comparator of IC chip internal overturns, and 7 pin output low levels of IC chip are with the Q1 conducting, the voltage of emergency battery is delivered to loud speaker 7 through the J-2 of relay contact Q1, and loud speaker 7 gets electric work.
When the startup key was opened in automobile work, control signal input high level, relay got electric work, and two groups of normally closed contacts of relay in-to-in disconnect, and cut off circuit power, prevent the testing circuit flase alarm.The utility model is simple in structure, and productive costs is low, and is easy to install, is particularly suitable for large-scale transport vehicle and uses.

Claims (3)

1, a kind of automotive oil tank fuel oil and battery anti-theft alarm, it is by control line (8), oil level sensing connection lead (3), loud speaker (7), speaker wire (5), annunciator body (9), storage battery connection lead (4) constitutes, it is characterized in that: an end of control line (8) and oil level sensing connection lead (3) is connected with the annunciator body, and the other end is connected with the connection lead of automobile starting switch with existing oil level read out instrument respectively; Annunciator body (9) one sides are through storage battery connection lead (4) and storage battery wire joint, and opposite side is connected with loud speaker (7) by speaker wire (5).
2, automotive oil tank fuel oil according to claim 1 and battery anti-theft alarm, it is characterized in that: described annunciator body (9) is made of control circuit board (2), emergency battery (6) and housing (1), control circuit board (2) and emergency battery (6) are installed in the housing (1), and interconnect through lead.
3, automotive oil tank fuel oil according to claim 1 and battery anti-theft alarm, it is characterized in that: described control circuit board (2) is by the IC chip, detection signal is adjusted circuit, the storage battery testing circuit, oil level detection circuit, driving circuit, relay constitutes, relay and signal adjustment circuit, oil level detection circuit polyphone connect, and storage battery testing circuit and oil level detection circuit are parallel to driving circuit, and are connected with loud speaker (7).
CNU2008201905735U 2008-08-26 2008-08-26 Automobile oil tank fuel and battery anti-theft alarm Expired - Fee Related CN201257948Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201905735U CN201257948Y (en) 2008-08-26 2008-08-26 Automobile oil tank fuel and battery anti-theft alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201905735U CN201257948Y (en) 2008-08-26 2008-08-26 Automobile oil tank fuel and battery anti-theft alarm

Publications (1)

Publication Number Publication Date
CN201257948Y true CN201257948Y (en) 2009-06-17

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Family Applications (1)

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CNU2008201905735U Expired - Fee Related CN201257948Y (en) 2008-08-26 2008-08-26 Automobile oil tank fuel and battery anti-theft alarm

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390353A (en) * 2011-09-22 2012-03-28 谢祯桂 Oil tank alarming device for vehicle
CN103487110A (en) * 2013-09-09 2014-01-01 湖北铱派汽车电子有限公司 Oil thievery prevention monitoring oil sensor of automobile
CN103921761A (en) * 2014-04-24 2014-07-16 北京经纬恒润科技有限公司 Fuel theft-prevention control method and device
WO2018018297A1 (en) * 2016-07-24 2018-02-01 张鹏华 Method for preventing oil in oil tank from being stolen, and alarm system
WO2018018295A1 (en) * 2016-07-24 2018-02-01 张鹏华 Usage data collection method for remaining oil flow monitoring technology, and alarm system
CN109455165A (en) * 2018-11-22 2019-03-12 安徽江淮汽车集团股份有限公司 A kind of truck fuel and accumulator theftproof system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390353A (en) * 2011-09-22 2012-03-28 谢祯桂 Oil tank alarming device for vehicle
CN103487110A (en) * 2013-09-09 2014-01-01 湖北铱派汽车电子有限公司 Oil thievery prevention monitoring oil sensor of automobile
CN103921761A (en) * 2014-04-24 2014-07-16 北京经纬恒润科技有限公司 Fuel theft-prevention control method and device
WO2018018297A1 (en) * 2016-07-24 2018-02-01 张鹏华 Method for preventing oil in oil tank from being stolen, and alarm system
WO2018018295A1 (en) * 2016-07-24 2018-02-01 张鹏华 Usage data collection method for remaining oil flow monitoring technology, and alarm system
CN109455165A (en) * 2018-11-22 2019-03-12 安徽江淮汽车集团股份有限公司 A kind of truck fuel and accumulator theftproof system

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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: 20090617

Termination date: 20100826