CN203149093U - Start and stop system, and relay fault diagnosis device of start and stop device - Google Patents
Start and stop system, and relay fault diagnosis device of start and stop device Download PDFInfo
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- CN203149093U CN203149093U CN 201320008486 CN201320008486U CN203149093U CN 203149093 U CN203149093 U CN 203149093U CN 201320008486 CN201320008486 CN 201320008486 CN 201320008486 U CN201320008486 U CN 201320008486U CN 203149093 U CN203149093 U CN 203149093U
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Abstract
An embodiment of the utility model discloses a relay fault diagnosis device of a start and stop device. The relay fault diagnosis device comprises a first switch, a second switch, an acquisition module, and a processing module. The first switch is used to control switching of a start chain relay. The second switch is used to control switching of a transmission chain relay. The processing module is used to control on-off state of the first switch and the second switch. The acquisition module is used to acquire voltage of corresponding input ends and/or corresponding output ends of the start chain relay and/or the transmission chain relay according to the on-off state of the first switch and the second switch. The processing module is also used to diagnose faults of the start chain relay or the transmission chain relay according to acquired voltage of corresponding input ends and/or corresponding output ends of the start chain relay and/or the transmission chain relay. An embodiment of the utility model also discloses a start and stop system. The relay fault diagnosis device can diagnose faults relays of the start and stop device, and provides convenience for maintenance of the start and stop device.
Description
Technical field
The utility model relates to automotive field, relates in particular to the relay trouble-shooter of a kind of start stop system, start stop apparatus.
Background technology
In recent years, serious day by day along with rise of the oil price and global warming, improve automobile fuel economy, reduce carbon dioxide (CO
2) problem such as discharging is extremely urgent.Start stop apparatus then is one of method that addresses these problems.Start stop apparatus can run into red light or traffic congestion the time kill engine automatically at automobile, and loosens the brake or during the pin stepping on clutch the driver, starting engine voluntarily, thereby effectively reduce automobile frequent stop or state of starting operating under oil consumption.
For safety, start stop apparatus is generally controlled starter by two relays (driving-chain relay and starting chain relay).But in the prior art, also be not directed to the fault diagnosis mechanism of start stop apparatus, this just makes the maintenance of start stop apparatus become very difficult.
The utility model content
The utility model provides the relay trouble-shooter of a kind of start stop system, start stop apparatus, can carry out fault diagnosis to start stop apparatus, convenient maintenance to start stop apparatus.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of relay trouble-shooter for start stop apparatus,
Described start stop apparatus comprises: driving-chain relay, starting chain relay, ignition switch, starter, be connected to described starter after the series connection of described starting chain relay and described transmission relay, described ignition switch and the described starting chain relay of connecting and the parallel connection of described transmission relay;
Described relay trouble-shooter comprises:
First switch is connected with described starting chain relay, is used for the switch of the described starting chain relay of control;
Second switch is connected with described driving-chain relay, is used for the switch of the described driving-chain relay of control;
Processing module is connected with described second switch with described first switch, is used for the on off operating mode of described first switch of control and described second switch;
Acquisition module is used for gathering the respective input of described starting chain relay and/or described driving-chain relay and/or the voltage of corresponding output end according to described first switch of described processing module control and the on off operating mode of described second switch;
Described processing module, also be used for described starting chain relay and/or the respective input of described driving-chain relay and/or the voltage of corresponding output end that the described acquisition module of basis is gathered, diagnose the fault of described starting chain relay or described driving-chain relay.
Wherein, described first switch comprises: be connected second end of first end, ground connection with the first input end of described starting chain relay, described second switch comprises: be connected second end of first end, ground connection with the first input end of described driving-chain relay,
First output terminal of described starting chain relay, second input end is connected with described power supply respectively, second output terminal of described starting chain relay respectively with first output terminal of described driving-chain relay, second input end connects, second output terminal of described driving-chain relay is connected with described starter, when described driving-chain relay adhesive, first output terminal of described driving-chain relay and the second output terminal conducting, when described not adhesive of driving-chain relay, first output terminal of described driving-chain relay and second output terminal disconnect, when described starting chain relay adhesive, first output terminal of described starting chain relay and the second output terminal conducting, when described not adhesive of starting chain relay, first output terminal of described starting chain relay and second output terminal disconnect;
Described processing module specifically is used for described first switch of control and disconnects, and controls described second switch conducting;
Described acquisition module specifically is used for gathering the voltage of described driving-chain relay first input end when described processing module is controlled described first switch and disconnect, control described second switch conducting;
Described processing module also is used for when the voltage of the driving-chain relay first input end of described acquisition module collection approaches default supply voltage value, and the fault of diagnosing described driving-chain relay is that described driving-chain relay is to power supply short circuit.
Wherein, described ignition switch comprises: first end that is connected with described power supply, second end that is connected with second output terminal of described driving-chain relay,
When the unmatchful power supply short circuit fault of described driving-chain relay and described ignition switch conducting, described processing module also is used for control first switch and disconnects, and second switch disconnects;
Described acquisition module also is used for controlling the disconnection of first switch, when second switch disconnects, gathering the voltage of driving-chain relay first input end when processing module;
When described processing module also was used for voltage at described driving-chain relay first input end near described supply voltage value, the fault of diagnosing described driving-chain relay was that described driving-chain relay first output terminal and second output terminal are bonding.
Wherein, described acquisition module also is used for controlling first switch conduction when described processing module, when second switch disconnects, gathers the voltage of the first input end of described driving-chain relay;
When described processing module also was used for voltage when the first input end of the driving-chain relay of described acquisition module collection near 0 volt, the fault of diagnosing described driving-chain relay was described driving-chain relay shorted to earth.
Wherein, when described driving-chain relay did not have shorted to earth fault and unmatchful power supply short circuit fault, described processing module also was used for described first switch conduction of control, described second switch conducting;
Described acquisition module also is used for gathering the voltage of driving-chain relay first output terminal and second output terminal when described processing module is controlled described first switch conduction, described second switch conducting;
Described processing module specifically is used for being default described supply voltage value when the voltage of first output terminal of the driving-chain relay of described acquisition module collection, and when the voltage of second output terminal was unsettled voltage, the fault of diagnosing described driving-chain relay was described driving-chain relay open fault.
Wherein, first output terminal of described starting chain relay, second input end are connected with described power supply respectively, when described starting chain relay adhesive, first output terminal of described starting chain relay and the second output terminal conducting, when described not adhesive of starting chain relay, first output terminal of described starting chain relay and second output terminal disconnect;
Described first switch comprises: with first end that the first input end of described starting chain relay is connected, and second end of ground connection;
Described acquisition module specifically is used for gathering the voltage of the first input end of described starting chain relay when described first switch of processing module controls disconnects;
When described processing module specifically was used for voltage when the first input end of the described starting chain relay of described acquisition module collection close to 0 volt, the fault of diagnosing described starting chain relay was described starting chain relay shorted to earth.
Wherein, described acquisition module also is used for gathering the voltage of the first input end of described starting chain relay when described processing module is controlled described first switch conduction;
When described processing module also was used for voltage when the first input end of the described starting chain relay of described acquisition module collection close to described supply voltage value, the fault of diagnosing described starting chain relay was that described starting chain relay is to power supply short circuit.
Wherein, described second switch comprises: be connected second end of first end, ground connection with the first input end of described driving-chain relay,
First output terminal of described driving-chain relay, second input end all are connected with second output terminal of described starting chain relay, second output terminal of described driving-chain relay is connected with described starter, when described driving-chain relay adhesive, first output terminal of described driving-chain relay and the second output terminal conducting, when described not adhesive of driving-chain relay, first output terminal of described driving-chain relay and second output terminal disconnect;
When described starting chain relay did not have shorted to earth fault and unmatchful power supply short circuit fault, described processing module also was used for described first switch of control and disconnects, controls described second switch disconnection;
Described acquisition module also is used for controlling described first switch disconnection, when the described second switch of control disconnects, gathering the voltage of starting chain relay second output terminal when described processing module;
When described processing module also was used for voltage when described starting chain relay second output terminal of described acquisition module collection near described supply voltage value, the fault of diagnosing described starting chain relay was the bonding fault of described starting chain relay.
Wherein, when described starting chain relay did not have shorted to earth fault and unmatchful power supply short circuit fault, described processing module also was used for described first switch conduction of control;
Described acquisition module also is used for gathering the voltage of described starting chain relay second output terminal when described processing module is controlled described first switch conduction;
Described processing module also is used for when the voltage of second output terminal of the starting chain relay of described acquisition module collection is unsettled voltage, and the fault of diagnosing described starting chain relay is described starting chain relay open fault.
Correspondingly, the utility model also provides a kind of start stop system, described start stop system comprises: driving-chain relay, starting chain relay, ignition switch, starter and relay trouble-shooter, be connected to described starter after described ignition switch and the starting chain relay of connecting and the parallel connection of transmission relay
Described relay trouble-shooter comprises:
First switch is connected with described starting chain relay, is used for the switch of the described starting chain relay of control;
Second switch is connected with described driving-chain relay, is used for the switch of the described driving-chain relay of control;
Processing module is connected with second switch with described first switch, is used for the on off operating mode of control first switch and second switch;
Acquisition module is used for gathering starting chain relay and/or the respective input of driving-chain relay and/or the voltage of corresponding output end according to first switch of described processing module control and the on off operating mode of second switch;
Described processing module also is used for starting chain relay and/or the respective input of driving-chain relay and/or the voltage of corresponding output end that the described acquisition module of basis is gathered, diagnoses the fault of described starting chain relay or driving-chain relay.
Embodiment of the present utility model controls the on off operating mode of first switch and second switch by the relay trouble-shooter, and based on the on off operating mode of first switch and second switch, gather driving-chain relay and/or the respective input of starting chain relay and/or the voltage of corresponding output end, and the guilty culprit of diagnosing driving-chain/starting chain relay according to the voltage status of gathering, namely realized the automatic diagnosis to the start stop apparatus fault, made things convenient for the maintenance of start stop apparatus, for the stability of safeguarding start stop apparatus provides important leverage.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the relay trouble-shooter of start stop apparatus of the present utility model;
Fig. 2 is the structural representation of second embodiment of the relay trouble-shooter of start stop apparatus of the present utility model;
Fig. 3 is the structural representation of the 3rd embodiment of the relay trouble-shooter of start stop apparatus of the present utility model;
Fig. 4 is the structural representation of the embodiment of start stop system of the present utility model.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1, is the structural representation of first embodiment of the relay trouble-shooter of start stop apparatus of the present utility model.
As shown in Figure 1, start stop apparatus 200 comprises: starting chain relay 210, driving-chain relay 220, ignition switch 230, starter 240.Wherein, be connected to starter 240 after 220 series connection of starting chain relay 210 and driving-chain relay, ignition switch and the starting chain relay 210 of connecting and 220 parallel connections of driving-chain relay.
Relay trouble-shooter 100 comprises: first switch 110, be connected with starting chain relay 210, and be used for the switch of control starting chain relay 210; Second switch 120 is connected with driving-chain relay 220, is used for the switch of control driving-chain relay 220; Acquisition module 130 is used for gathering starting chain relay 210 and/or the respective input of driving-chain relay 220 and/or the voltage of corresponding output end according to first switch 110 of processing module 140 controls and the on off operating mode of second switch 120; Processing module 140, be connected with second switch with first switch, the on off operating mode that is used for control first switch 110 and second switch 120, and for starting chain relay 210 and/or the respective input of driving-chain relay 220 and/or the voltage of corresponding output end gathered according to acquisition module 130, the fault of diagnosis starting chain relay 210 or driving-chain relay 220.
Need to prove that the relay trouble-shooter in the utility model embodiment when relay work, can also not done one by one and be given unnecessary details according to the break-make of start and stop needs pilot relay herein except can diagnosing the relay fault.
Embodiment of the present utility model controls the on off operating mode of first switch and second switch by the relay trouble-shooter, and based on the on off operating mode of first switch and second switch, gather driving-chain relay and/or the respective input of starting chain relay and/or the voltage of corresponding output end, and the guilty culprit of diagnosing out driving-chain/starting chain relay according to the voltage status of gathering, namely realized the automatic diagnosis to the start stop apparatus fault, made things convenient for the maintenance of start stop apparatus, for the stability of safeguarding start stop apparatus provides important leverage.
Please refer to Fig. 2, is the structural representation of second embodiment of the relay trouble-shooter of start stop apparatus of the present utility model.
As shown in Figure 2, start stop apparatus 200 comprises: starting chain relay 210, driving-chain relay 220, ignition switch 230, starter 240.
Starting chain relay 210 comprises: first input end (namely, the port in1 of the starting chain relay 210 among Fig. 2), second input end (namely, the port in2 of starting chain relay 210), first output terminal (namely, the port out1 of starting chain relay 210), second output terminal (that is the port out2 of starting chain relay 210).Driving-chain relay 220 comprises: first input end (namely, the port in1 of driving-chain relay 220), second input end (namely, the port in2 of driving-chain relay 220), first output terminal (namely, the port out1 of driving-chain relay 220), second output terminal (that is the port out2 of driving-chain relay 220).First output terminal of starting chain relay 210, second input end (are Vdd in the diagram with power supply respectively, be direct supply in this example) connect, second output terminal of starting chain relay 210 is connected with first output terminal, second input end of driving-chain relay 220 respectively.Second output terminal of driving-chain relay 220 is connected with starter 240.
When 210 adhesives of starting chain relay, first output terminal of starting chain relay 210 and the second output terminal conducting, when the 210 not adhesives of starting chain relay, first output terminal of starting chain relay 210 and second output terminal disconnect; When 220 adhesives of driving-chain relay, first output terminal of driving-chain relay 220 and the second output terminal conducting, when the 220 not adhesives of driving-chain relay, first output terminal of driving-chain relay 220 and second output terminal disconnect.Wherein, starting chain relay 210 and driving-chain relay 220 can be electromagnetic relays.
Relay trouble-shooter 100 comprises: first switch 110, second switch 120, acquisition module 130, processing module 140.First switch 110 specifically comprises: second end that is connected first end, ground connection with the first input end of starting chain relay 210.Second switch 120 specifically comprises: second end that is connected first end, ground connection with the first input end of driving-chain relay 220.First switch 110 and second switch 120 are specifically as follows MOS(Metal-Oxid-Semiconductor, metal-oxide semiconductor (MOS)) field effect transistor or BJT pipe (Bipolar Junction Transistor, bipolar junction transistor).
In the utility model embodiment, can carry out automatic diagnosis to the various faults of two relays based on the said system structure, below specifically wherein some diagnostic modes are described.
When whether relay trouble-shooter 100 diagnosis driving-chain relays 220 exist the power supply short circuit fault, the following setting of the function of each module:
Under the normal situation of driving-chain relay, when processing module 140 controls first switch 110 disconnects, during second switch 120 conductings, because first output terminal of starting chain relay and second output are in off-state, supply voltage can not conduct to second input end and first output terminal of driving-chain relay, therefore the voltage of driving-chain relay first input end should be unsettled voltage (when second switch 120 is metal-oxide-semiconductor or BJT pipe, second switch 120 does not draw power supply on, real conducting can't be realized in second switch 120 inside, and this moment, driving-chain relay first input end was equivalent to floating ground).When the voltage of the first input end of driving-chain relay approaches default supply voltage value, illustrate that the driving-chain relay is to power supply short circuit.
When whether relay trouble-shooter 100 diagnosis driving-chain relays 220 exist bonding fault, the following setting of the function of each module:
When driving-chain relay 220 unmatchful power supply short circuit faults and described ignition switch conducting, processing module 140 is used for control first switch 110 and disconnects, and second switch 120 disconnects.Acquisition module 130 is used for disconnecting, when second switch 120 disconnects, gathering the voltage of driving-chain relay 220 first input ends when processing module 140 controls first switch 110.Processing module 140 also is used for when the voltage of driving-chain relay 220 first input ends approaches default supply voltage value, and the fault of diagnosis driving-chain relay 220 is that driving-chain relay 220 first output terminals and second output terminal are bonding.
Under the normal situation of driving-chain relay, when 110 disconnections of processing module 140 controls first switch, second switch 120 disconnections and ignition switch conducting, the voltage of driving-chain relay first input end should be unsettled voltage.When the voltage of driving-chain relay first input end approaches default supply voltage value, illustrate that the fault of driving-chain relay can be for to power supply short circuit fault or first output terminal and the bonding fault of second output terminal.Therefore processing module 140 can be under the prerequisite that ignition switch disconnects, control 110 disconnections of first switch, second switch 120 conductings, the voltage of the first input end of the driving-chain relay of gathering when acquisition module 130 is unsettled voltage, the unmatchful power supply short circuit fault of driving-chain relay is described, when the voltage of the driving-chain relay first input end of gathering when acquisition module 130 approached default supply voltage value, the fault of driving-chain relay should be first output terminal and second output terminal is bonding so.
When whether relay trouble-shooter 100 diagnosis driving-chain relays 220 exist the shorted to earth fault, the following setting of the function of each module:
Under the normal situation of driving-chain relay, when 110 conductings of processing module 140 controls first switch, when second switch 120 disconnects, the voltage of the first input end of driving-chain relay should be unsettled voltage.When the voltage of the first input end of driving-chain relay during near 0 volt, processing module 140 is driving-chain relay shorted to earth with the fault diagnosis of driving-chain relay.
When whether relay trouble-shooter 100 diagnosis driving-chain relays 220 exist open fault, the following setting of the function of each module:
When driving-chain relay 220 no shorted to earth faults and unmatchful power supply short circuit fault, processing module 140 is used for 110 conductings of control first switch, second switch 120 conductings.Acquisition module 130 is used for gathering first output terminal of driving-chain relay 220 and the voltage of second output terminal when 110 conductings of processing module 140 controls first switch, second switch 120 conductings.Processing module 140 also is used for approaching default supply voltage value when the voltage of first output terminal of the driving-chain relay 220 of acquisition module 130 collections, and when the voltage of second output terminal was unsettled voltage, the fault of diagnosis driving-chain relay 220 was driving-chain relay 220 open faults.
Under the normal situation of driving-chain relay, when 110 conductings of processing module 140 controls first switch, second switch 120 conductings, the voltage that the voltage of driving-chain relay first output terminal should be supply voltage, second output terminal should be supply voltage, when the voltage of first output terminal of driving-chain relay approaches default supply voltage value, and when the voltage of second output terminal was unsettled voltage, the fault of driving-chain relay can be for shorted to earth or to power supply short circuit or open fault.When processing module 140 disconnects at first switch 110, during second switch 120 conductings, when the voltage of the driving-chain relay first input end collection of gathering by acquisition module 130 is unsettled voltage, the unmatchful power supply short circuit fault of driving-chain relay is described; When 110 conductings of processing module 140 controls first switch, when second switch 120 disconnects, when the voltage of the first input end of the driving-chain relay of gathering by acquisition module 130 is first switch 110 with the driving-chain relay to the dividing potential drop of supply voltage, illustrate that the driving-chain relay does not have the shorted to earth fault.Processing module 140 is by the shorted to earth of eliminating driving-chain relay or to the power supply short circuit fault, thereby the fault of driving-chain relay is defined as open fault the most at last.
When whether relay trouble-shooter 100 diagnosis starting chain relays 210 exist the shorted to earth fault, the following setting of the function of each module:
Under the normal situation of starting chain relay, when processing module 140 first switches 110 disconnected, acquisition module 130 should be supply voltage at the voltage of starting chain relay first input end collection.During close to 0 volt, processing module 140 can determine that the fault diagnosis of starting chain relay is starting chain relay shorted to earth at the voltage of starting chain relay first input end.
When whether relay trouble-shooter 100 diagnosis starting chain relays 210 exist the power supply short circuit fault, the following setting of the function of each module:
Under the normal situation of starting chain relay, when 110 conductings of processing module 140 controls first switch, acquisition module should be first switch, 110 internal resistances and starting chain relay internal resistance to the dividing potential drop of supply voltage, much smaller than supply voltage at the voltage of starting chain relay first input end collection.When the voltage of starting chain relay first input end approached default supply voltage value, processing module 140 can determine that the fault diagnosis of starting chain relay is that the starting chain relay is to power supply short circuit.
When whether relay trouble-shooter 100 diagnosis starting chain relays 210 exist bonding fault, the following setting of the function of each module:
When starting chain relay 210 no shorted to earth faults and unmatchful power supply short circuit fault, processing module 140 is used for control first switch 110 and disconnects, controls second switch 120 disconnections.Acquisition module 130 is used for disconnecting, when second switch 120 disconnects, gathering the voltage of starting chain relay 210 second output terminals when processing module 140 controls first switch 110.Processing module 140 also is used for when the voltage of starting chain relay 210 second output terminals of acquisition module 130 collections approaches default supply voltage value, and the fault of diagnosis starting chain relay 210 is starting chain relay 210 bonding faults.
Under the normal situation of starting chain relay, when 110 disconnections of processing module 140 controls first switch, when second switch 120 disconnects, starting chain relay first output terminal and second output terminal can't adhesives, remain open state, the voltage of starting chain relay second output terminal should be unsettled voltage, when the voltage of starting chain relay second output terminal approached default supply voltage value, the fault of starting chain relay can be for shorted to earth, to power supply short circuit, bonding fault.When processing module 140 when control first switch 110 disconnects, the voltage of the starting chain relay first input end of gathering by acquisition module 130 approaches default supply voltage value, can judge that the starting chain relay does not have the shorted to earth fault; When processing module 140 during in control first switch 110 conductings, when the voltage of the starting chain relay first input end of gathering by acquisition module 130 is first switch 110 with the starting chain relay to the dividing potential drop of supply voltage, can judge the unmatchful power supply short circuit fault of starting chain relay.Processing module 140 is by eliminating starting chain relay shorted to earth with to the power supply short circuit fault, and the fault that draws the starting chain relay is the bonding fault of starting chain relay.
When whether relay trouble-shooter 100 diagnosis starting chain relays 210 exist open fault, the following setting of the function of each module:
When starting chain relay 210 no shorted to earth faults and unmatchful power supply short circuit fault, processing module 140 is used for 110 conductings of control first switch.Acquisition module 130 is used for gathering the voltage of starting chain relay 210 second output terminals when 110 conductings of processing module 140 controls first switch.Processing module 140 also is used for when the voltage of second output terminal of the starting chain relay 210 of acquisition module 130 collections is unsettled voltage, and the fault of diagnosis starting chain relay 210 is starting chain relay 210 open faults.
Under the normal situation of starting chain relay, when 110 conductings of processing module 140 controls first switch, first output terminal of starting chain relay and the second output terminal adhesive, the voltage of starting chain relay second output terminal should be supply voltage.When the voltage of starting chain relay second output terminal was unsettled voltage, the fault of starting chain relay can be for shorted to earth, to power supply short circuit, open fault (i.e. first output terminal and second output terminal can't adhesive).When processing module 140 when control first switch 110 disconnects, the voltage of the starting chain relay first input end of gathering by acquisition module 130 approaches default supply voltage value, can judge that the starting chain relay does not have the shorted to earth fault; When processing module 140 during in control first switch 110 conductings, when the voltage of the starting chain relay first input end of gathering by acquisition module 130 is first switch 110 with the starting chain relay to the dividing potential drop of supply voltage, can judge the unmatchful power supply short circuit fault of starting chain relay.Processing module 140 is by eliminating starting chain relay shorted to earth with to the power supply short circuit fault, and the fault that draws the starting chain relay is starting chain relay open fault.
Noticeable, in the present embodiment, relay trouble-shooter 100 needs the conducting ignition switch except the detection to the bonding fault of driving-chain relay, relay trouble-shooter 100 is when detecting other fault of driving-chain relay and detecting the fault of starting chain relay, and ignition switch all is in off-state.
In addition, as shown in Figure 3, first switch 110 can comprise: first switching tube 1, and first driving circuit 150 that is used for driving first switching tube 1; Second switch 120 can comprise: second switch pipe 2, and second driving circuit 160 that is used for driving second switch pipe 2.
Acquisition module 130 can comprise: first collecting unit 131, second collecting unit 132, the 3rd collecting unit 133, the 4th collecting unit 134.Wherein, first collecting unit 131 is used for gathering the voltage of starting chain relay 210 first input ends; Second collecting unit 132 is used for gathering the voltage of driving-chain relay 220 first input ends; The 3rd collecting unit 133 is used for gathering the voltage of starting chain relay 210 second output terminals; The 4th collecting unit 134 is used for gathering the voltage of driving-chain relay 220 second output terminals.First collecting unit 131, second collecting unit 132 and the 3rd collecting unit 133 are specifically as follows the collection of simulant signal circuit.It should be noted that, the 4th collecting unit 134 can be the collection of simulant signal circuit, also can be for being used for gathering the digital signal processing circuit of starter duty, when starter 230 operate as normal, the state of starting to work of digital signal processing circuit collection is 1, can judge that the voltage of driving-chain relay 220 second output terminals is close to predetermined supply voltage value this moment; When starter 230 was not worked, the state of starting to work of digital signal processing circuit collection was 0, and can judge that the voltage of driving-chain relay 220 second output terminals is unsettled voltage this moment.
First switching tube and second switch pipe can be N-type MOS (metal-oxide-semiconductor) transistor (Negative channel-Metal-Oxide-Semiconductor, NMOS), when first switching tube 1 is NMOS pipe 1, second switch pipe 2 is that the 2nd NMOS managed 2 o'clock, first driving circuit 150 is connected with grid, first processing unit 141 of a NMOS pipe respectively, and second driving circuit 160 is connected with grid, second processing unit 142 of the 2nd NMOS pipe respectively.The drain electrode of the one NMOS pipe is connected with the first input end of starting chain relay 210, source ground, and the drain electrode of the 2nd NMOS pipe is connected with the first input end of driving-chain relay 220, source ground.
Embodiment of the present utility model controls the on off operating mode of first switch and second switch by the relay trouble-shooter, and based on the on off operating mode of first switch and second switch, gather driving-chain relay and/or the respective input of starting chain relay and/or the voltage of corresponding output end, and the guilty culprit of diagnosing out driving-chain/starting chain relay according to the voltage status of gathering, namely realized the automatic diagnosis to the start stop apparatus fault, made things convenient for the maintenance of start stop apparatus, for the stability of safeguarding start stop apparatus provides important leverage.
Please refer to Fig. 4, is the structural representation of the embodiment of start stop system of the present utility model.
As shown in the figure, start stop system comprises: relay trouble-shooter 100 and start stop apparatus 200.
Start stop apparatus 200 comprises: starting chain relay, driving-chain relay, first switch, second switch, ignition switch.Wherein, the starting chain relay comprises: first output terminal, second output terminal, first input end, second input end; The driving-chain relay comprises: first output terminal, second output terminal, first input end, second input end, and first switch comprises: first end that is connected with the first input end of starting chain relay, second end of ground connection; Second switch comprises: first end that is connected with the first input end of driving-chain relay, second end of ground connection; Ignition switch comprises: first end that is connected with power supply, second end that is connected with second output terminal of driving-chain relay.First output terminal, second input end of starting chain relay are connected with power supply respectively, second output terminal of starting chain relay is connected with first output terminal, second input end of driving-chain relay respectively, and second output terminal of driving-chain relay is connected with starter.When the adhesive of driving-chain relay, first output terminal of driving-chain relay and the second output terminal conducting, when the not adhesive of driving-chain relay, first output terminal of driving-chain relay and second output terminal disconnect, when the adhesive of starting chain relay, first output terminal of starting chain relay and the second output terminal conducting, when the not adhesive of starting chain relay, first output terminal of described starting chain relay and second output terminal disconnect.
Relay trouble-shooter 100 comprises: acquisition module and processing module.Acquisition module specifically is used for gathering following one or more magnitudes of voltage, the voltage of the voltage of the voltage of starting chain relay first input end, driving-chain relay first input end, the voltage of starting chain relay second output terminal, driving-chain relay second output terminal.Processing module comprises: first processing unit, be used for the break-make of control first switch, and the respective input of the starting chain relay of gathering according to acquisition module and/or the voltage of corresponding output end, the fault of diagnosis starting chain relay; Second processing unit is used for the break-make of control second switch, and the respective input of the driving-chain relay of gathering according to acquisition module and/or the voltage of corresponding output end, the fault of diagnosis driving-chain relay.
Other concrete structure of relay trouble-shooter 100 and start stop apparatus 200 and function setting have been done detailed introduction at first embodiment and second embodiment of the relay trouble-shooter of start stop apparatus of the present utility model, so do not give unnecessary details at this.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a relay trouble-shooter that is used for start stop apparatus is characterized in that,
Described start stop apparatus comprises: driving-chain relay, starting chain relay, ignition switch, starter, be connected to described starter after the series connection of described starting chain relay and described transmission relay, described ignition switch and the described starting chain relay of connecting and the parallel connection of described transmission relay;
Described relay trouble-shooter comprises:
First switch is connected with described starting chain relay, is used for the switch of the described starting chain relay of control;
Second switch is connected with described driving-chain relay, is used for the switch of the described driving-chain relay of control;
Processing module is connected with described second switch with described first switch, is used for the on off operating mode of described first switch of control and described second switch;
Acquisition module is used for gathering the respective input of described starting chain relay and/or described driving-chain relay and/or the voltage of corresponding output end according to described first switch of described processing module control and the on off operating mode of described second switch;
Described processing module, also be used for described starting chain relay and/or the respective input of described driving-chain relay and/or the voltage of corresponding output end that the described acquisition module of basis is gathered, diagnose the fault of described starting chain relay or described driving-chain relay.
2. relay trouble-shooter as claimed in claim 1 is characterized in that,
Described first switch comprises: be connected second end of first end, ground connection with the first input end of described starting chain relay, described second switch comprises: be connected second end of first end, ground connection with the first input end of described driving-chain relay,
First output terminal, second input end of described starting chain relay are connected with power supply respectively, second output terminal of described starting chain relay is connected with first output terminal, second input end of described driving-chain relay respectively, and second output terminal of described driving-chain relay is connected with described starter;
When described driving-chain relay adhesive, first output terminal of described driving-chain relay and the second output terminal conducting, when described not adhesive of driving-chain relay, first output terminal of described driving-chain relay and second output terminal disconnect, when described starting chain relay adhesive, first output terminal of described starting chain relay and the second output terminal conducting, when described not adhesive of starting chain relay, first output terminal of described starting chain relay and second output terminal disconnect;
Described processing module specifically is used for described first switch of control and disconnects, and controls described second switch conducting;
Described acquisition module specifically is used for gathering the voltage of described driving-chain relay first input end when described processing module is controlled described first switch and disconnect, control described second switch conducting;
Described processing module also is used for when the voltage of the driving-chain relay first input end of described acquisition module collection approaches default supply voltage value, and the fault of diagnosing described driving-chain relay is that described driving-chain relay is to power supply short circuit.
3. relay trouble-shooter as claimed in claim 2 is characterized in that,
Described ignition switch comprises: first end that is connected with described power supply, second end that is connected with second output terminal of described driving-chain relay,
When the unmatchful power supply short circuit fault of described driving-chain relay and described ignition switch conducting, described processing module also is used for control first switch and disconnects, and second switch disconnects;
Described acquisition module also is used for controlling the disconnection of first switch, when second switch disconnects, gathering the voltage of driving-chain relay first input end when processing module;
When described processing module also was used for voltage at described driving-chain relay first input end near described supply voltage value, the fault of diagnosing described driving-chain relay was that described driving-chain relay first output terminal and second output terminal are bonding.
4. relay trouble-shooter as claimed in claim 2 is characterized in that,
Described acquisition module also is used for controlling first switch conduction when described processing module, when second switch disconnects, gathers the voltage of the first input end of described driving-chain relay;
When described processing module also was used for voltage when the first input end of the driving-chain relay of described acquisition module collection near 0 volt, the fault of diagnosing described driving-chain relay was described driving-chain relay shorted to earth.
5. relay trouble-shooter as claimed in claim 4 is characterized in that,
When described driving-chain relay did not have shorted to earth fault and unmatchful power supply short circuit fault, described processing module also was used for described first switch conduction of control, described second switch conducting;
Described acquisition module also is used for gathering the voltage of driving-chain relay first output terminal and second output terminal when described processing module is controlled described first switch conduction, described second switch conducting;
Described processing module specifically is used for being default described supply voltage value when the voltage of first output terminal of the driving-chain relay of described acquisition module collection, and when the voltage of second output terminal was unsettled voltage, the fault of diagnosing described driving-chain relay was described driving-chain relay open fault.
6. as each described relay trouble-shooter in the claim 1 to 5, it is characterized in that,
First output terminal, second input end of described starting chain relay are connected with power supply respectively, when described starting chain relay adhesive, first output terminal of described starting chain relay and the second output terminal conducting, when described not adhesive of starting chain relay, first output terminal of described starting chain relay and second output terminal disconnect;
Described first switch comprises: with first end that the first input end of described starting chain relay is connected, and second end of ground connection;
Described acquisition module specifically is used for gathering the voltage of the first input end of described starting chain relay when described first switch of processing module controls disconnects;
When described processing module specifically was used for voltage when the first input end of the described starting chain relay of described acquisition module collection close to 0 volt, the fault of diagnosing described starting chain relay was described starting chain relay shorted to earth.
7. relay trouble-shooter as claimed in claim 6 is characterized in that,
Described acquisition module also is used for gathering the voltage of the first input end of described starting chain relay when described processing module is controlled described first switch conduction;
When described processing module also was used for voltage when the first input end of the described starting chain relay of described acquisition module collection close to described supply voltage value, the fault of diagnosing described starting chain relay was that described starting chain relay is to power supply short circuit.
8. relay trouble-shooter as claimed in claim 7 is characterized in that,
Described second switch comprises: be connected second end of first end, ground connection with the first input end of described driving-chain relay,
First output terminal of described driving-chain relay, second input end all are connected with second output terminal of described starting chain relay, second output terminal of described driving-chain relay is connected with described starter, when described driving-chain relay adhesive, first output terminal of described driving-chain relay and the second output terminal conducting, when described not adhesive of driving-chain relay, first output terminal of described driving-chain relay and second output terminal disconnect;
When described starting chain relay did not have shorted to earth fault and unmatchful power supply short circuit fault, described processing module also was used for described first switch of control and disconnects, controls described second switch disconnection;
Described acquisition module also is used for controlling described first switch disconnection, when the described second switch of control disconnects, gathering the voltage of starting chain relay second output terminal when described processing module;
When described processing module also was used for voltage when described starting chain relay second output terminal of described acquisition module collection near described supply voltage value, the fault of diagnosing described starting chain relay was the bonding fault of described starting chain relay.
9. relay trouble-shooter as claimed in claim 7 is characterized in that,
When described starting chain relay did not have shorted to earth fault and unmatchful power supply short circuit fault, described processing module also was used for described first switch conduction of control;
Described acquisition module also is used for gathering the voltage of described starting chain relay second output terminal when described processing module is controlled described first switch conduction;
Described processing module also is used for when the voltage of second output terminal of the starting chain relay of described acquisition module collection is unsettled voltage, and the fault of diagnosing described starting chain relay is described starting chain relay open fault.
10. start stop system, it is characterized in that, described start stop system comprises: driving-chain relay, starting chain relay, ignition switch, starter and relay trouble-shooter, be connected to described starter after described ignition switch and the starting chain relay of connecting and the parallel connection of transmission relay
Described relay trouble-shooter comprises:
First switch is connected with described starting chain relay, is used for the switch of the described starting chain relay of control;
Second switch is connected with described driving-chain relay, is used for the switch of the described driving-chain relay of control;
Processing module is connected with described second switch with described first switch, is used for the on off operating mode of described first switch of control and described second switch;
Acquisition module is used for gathering starting chain relay and/or the respective input of driving-chain relay and/or the voltage of corresponding output end according to described first switch of described processing module control and the on off operating mode of described second switch;
Described processing module, also be used for described starting chain relay and/or the respective input of described driving-chain relay and/or the voltage of corresponding output end that the described acquisition module of basis is gathered, diagnose the fault of described starting chain relay or described driving-chain relay.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008486 CN203149093U (en) | 2013-01-08 | 2013-01-08 | Start and stop system, and relay fault diagnosis device of start and stop device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008486 CN203149093U (en) | 2013-01-08 | 2013-01-08 | Start and stop system, and relay fault diagnosis device of start and stop device |
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| CN203149093U true CN203149093U (en) | 2013-08-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913703A (en) * | 2013-01-08 | 2014-07-09 | 广州汽车集团股份有限公司 | Start stop system and device and method for diagnosing faults of relays of start stop device |
| CN104062538A (en) * | 2014-07-03 | 2014-09-24 | 郑州日产汽车有限公司 | Method for monitoring short circuit and circuit break of vehicle-mounted relay or contactor coil |
-
2013
- 2013-01-08 CN CN 201320008486 patent/CN203149093U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913703A (en) * | 2013-01-08 | 2014-07-09 | 广州汽车集团股份有限公司 | Start stop system and device and method for diagnosing faults of relays of start stop device |
| CN103913703B (en) * | 2013-01-08 | 2015-09-02 | 广州汽车集团股份有限公司 | The relay trouble-shooter of start stop system, start stop apparatus and method |
| CN104062538A (en) * | 2014-07-03 | 2014-09-24 | 郑州日产汽车有限公司 | Method for monitoring short circuit and circuit break of vehicle-mounted relay or contactor coil |
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Inventor after: Wu Jian Inventor after: He Xiaoni Inventor after: Huang Ruijing Inventor after: Liu Jujiang Inventor after: Zhang Anwei Inventor before: He Xiaoni Inventor before: Huang Ruijing Inventor before: Liu Jujiang Inventor before: Zhang Anwei |
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Free format text: CORRECT: INVENTOR; FROM: HE XIAONI HUANG RUIJING LIU JUJIANG ZHANG ANWEI TO: WU JIAN HE XIAONI HUANG RUIJING LIU JUJIANG ZHANG ANWEI |
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