CN201501357U - Vehicle-mounted device supplying power for equipment - Google Patents
Vehicle-mounted device supplying power for equipment Download PDFInfo
- Publication number
- CN201501357U CN201501357U CN2009202104781U CN200920210478U CN201501357U CN 201501357 U CN201501357 U CN 201501357U CN 2009202104781 U CN2009202104781 U CN 2009202104781U CN 200920210478 U CN200920210478 U CN 200920210478U CN 201501357 U CN201501357 U CN 201501357U
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- CN
- China
- Prior art keywords
- power supply
- independent power
- switch
- mobile unit
- relay
- Prior art date
- 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 - Lifetime
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Abstract
The utility model discloses a vehicle-mounted device supplying power for equipment, which realizes independent and stable power supply to an appropriate vehicle-mounted test instrument and equipment, ensures the normal operation of the test instrument and the equipment, and guarantees the reliability of test and the accuracy of test results. The technical scheme of the utility model is that the device comprises an independent electric power supply and a junction box integrating power supply control and charge control, which complement each other in use. During the start-up of an engine, through the control of the junction box, the independent electric power supply supplies power to the test instrument and the equipment so as to isolate the instrument and equipment from the effects of the sharp decline in the power supply voltage of the vehicle-mounted system during the process. Moreover, upon the completion of the start-up of the engine, the vehicle-mounted engine can recharge the independent electric power supply.
Description
Technical field
The utility model relates to a kind of electric supply installation, relates in particular to on-board testing equipment (or instrument) is carried out independently-powered device.
Background technology
At present when carrying out complete vehicle test, the general employing of the power supply of track test instrument, equipment directly powered from the Vehicular system power supply lead wire, and,, also exist obvious defects though this mode is simple, convenient with the break-make of mechanical switch control current supply circuit.
On the one hand, some test needs the related data in the recording engine start-up course, but because in the engine starting process, the Vehicular system power line voltage can decline to a great extent at short notice, the supply regular power voltage range that might exceed test apparatus, equipment, cause its cisco unity malfunction, the reliability of influence test and the precision of test results.Simultaneously, unsettled power supply voltage has also brought the hidden danger of damaging instrument, equipment.
On the other hand, when institute's lift-launch test apparatus, the power of equipment carries than multiple instruments more greatly or simultaneously, during equipment, electric current maximum in the current supply circuit can reach 10A, and above (maximum current that is consumed when an exhaust gas oxygensensor is heated such as the Lambda measurement module LA4 of ETAS company is 5A, and general monitoring needs two cover Lambda measurement module and exhaust gas oxygensensors at the double-row engine exhaust, therefore maximum current can reach more than the 10A after carrying miscellaneous equipment), control the break-make shortage reliability of current supply circuit in this case with a mechanical P cock.
The utility model content
The purpose of this utility model is to address the above problem, a kind of mobile unit electric supply installation is provided, realized guaranteeing test apparatus, equipment normal operation, guaranteed the reliability of test and the precision of test results being suitable for the independent stable power-supplying of track test instrument, equipment.
The technical solution of the utility model is: the utility model has disclosed a kind of mobile unit electric supply installation, comprising:
Independent power supply;
Connection box has three ports, and wherein first port connects the Vehicular system power supply, and second port connects this independent power supply, and the 3rd port is the power supply mouth, and this connection box inside further comprises:
The independent power supply charge circuit is in series by this Vehicular system power supply, first relay, first switch, this independent power supply, and wherein whether this first switch folding and this independent power supply charge circuit of controlling this first relay is connected;
The independent power supply current supply circuit, in parallel with this independent power supply charge circuit, be in series by this independent power supply, second relay, second switch, the external equipment that is connected on this power supply mouth, wherein whether this second switch folding and this independent power supply current supply circuit of controlling this second relay is connected.
According to an embodiment of mobile unit electric supply installation of the present utility model, this independent power supply is the automobile-used lead battery of 12V.
According to an embodiment of mobile unit electric supply installation of the present utility model, in this independent power supply charge circuit, connect charging indicator light.
According to an embodiment of mobile unit electric supply installation of the present utility model, in this independent power supply current supply circuit, connect the power supply indicator lamp.
According to an embodiment of mobile unit electric supply installation of the present utility model, indicator lamp is a light-emitting diode.
Embodiment according to mobile unit electric supply installation of the present utility model, this first switch disconnects when needs registration of vehicle engine starting process data, and this first relay disconnects, this second switch closure, this second relay adhesive, this external equipment is powered by this independent power supply; This first switch is finished at this vehicle motor and is started the back closure, and this Vehicular system power supply charges to this independent power supply.
According to an embodiment of mobile unit electric supply installation of the present utility model, at this independent power supply and this Vehicular system power supply place difference erection insurance silk.
The utility model contrast prior art has following beneficial effect: the technical solution of the utility model is to adopt a kind of mobile unit electric supply installation, and this device is used by the connection box of independent power supply and integrated power supply and charging control.By the control of connection box, in engine starting process, test apparatus, equipment are powered by independent power supply, are isolated in the influence that the onboard system power line voltage declines to a great extent and caused in this process; In addition, after engine starting was finished, on-board engine can charge to independent power supply.Obviously, use device of the present utility model and can realize independent stable power-supplying vehicle-mounted instrument, equipment, guaranteed the normal operation of electricity consumption instrument, equipment, guarantee the reliability tested and the precision of test results, also eliminated simultaneously because the damage instrument that the power supply voltage shakiness produces, the hidden danger of equipment.
Description of drawings
Fig. 1 is the circuit diagram of the embodiment of mobile unit electric supply installation of the present utility model.
The specific embodiment
The utility model will be further described below in conjunction with drawings and Examples.
Fig. 1 shows the circuit structure of the embodiment of mobile unit electric supply installation of the present utility model.See also Fig. 1, mobile unit electric supply installation of the present utility model is made up of two parts: independent power supply and connection box.Wherein connection box has three ports: the first port bonded assembly is the Vehicular system power supply, and the above-mentioned just independent power supply of the second port bonded assembly, the 3rd port are the power supply mouths, and bonded assembly is external test facility.
So-called independent power supply is meant the supply unit that is independent of the Vehicular system power supply, for example is that the automobile-used lead battery of 12V is as independent power supply.
Connection box is the device of integrated power supply control and charging control, and itself and independent power supply are used.Connection box is inner to exist two loops: the independent power supply current supply circuit that independent power supply is carried out electrically-charged independent power supply charge circuit and by independent power supply external test facility powered by the Vehicular system power supply.
For the independent power supply charge circuit, it is by Vehicular system power supply, first relay K
1, first switch S
1Be in series with independent power supply.Preferable, charging indicator light can also be set in this loop (for example be one and be used to indicate whether electrically-charged LED
1), each erection insurance silk F on Vehicular system power supply and independent power supply
1And F
2First switch S
1Be used for control and whether independent power supply charged, just control this independent power supply charge circuit and whether connect.When closed first switch S
1The time, first relay K
1Also adhesive thereupon, charge circuit is connected, and the Vehicular system power supply charges to independent power supply.Otherwise, when disconnecting first switch S
1The time, first relay K
1Disconnect, charge circuit opens circuit thereupon, and process of charging stops.
For the independent power supply current supply circuit, it and charge circuit are relation in parallel in connection box.Current supply circuit is by independent power supply, second relay K
2, second switch S
2And the external test facility that is connected on the power supply mouth is in series.Preferable, charging indicator light can also be set in this loop (for example be one and be used to indicate whether the LED of powering
2).Second switch S
2Be used for control and external test facility powered, just control this independent power supply charge circuit and whether connect by independent power supply.As closed second switch S
2The time, second relay K
2Also adhesive thereupon, current supply circuit is connected, and independent power supply is powered to external test facility.Otherwise, when disconnecting second switch S
2The time, second relay K
2Disconnect, current supply circuit opens circuit thereupon, and power supply process stops.
Be the principle of work that example illustrates this device with the related data in the recording engine start-up course below.During related data in the test in needing the recording engine start-up course, disconnect first switch S on the control conection box
1, make first relay K
1Disconnect, simultaneously closed second switch S
2, make second relay K
2Adhesive, indicator lamp LED powers this moment
2Bright, test facility, instrument are powered by independent power supply, and the influence that the Vehicular system power line voltage declines to a great extent when not being subjected to engine starting.After driving engine was finished startup, it is stable that the Vehicular system power line voltage recovers, and opens first switch S again
1, this moment charging indicator light LED
1Also light, the Vehicular system power supply just can charge to independent power supply, can use for a long time to guarantee device of the present utility model.
The foregoing description provides to those of ordinary skills and realizes or use of the present utility model; those of ordinary skills can be under the situation that does not break away from invention thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection domain of the present utility model do not limit by the foregoing description, and should be the maximum range that meets the inventive features that claims mention.
Claims (7)
1. a mobile unit electric supply installation is characterized in that, comprising:
Independent power supply;
Connection box has three ports, and wherein first port connects the Vehicular system power supply, and second port connects this independent power supply, and the 3rd port is the power supply mouth, and this connection box inside further comprises:
The independent power supply charge circuit is in series by this Vehicular system power supply, first relay, first switch, this independent power supply, and wherein whether this first switch folding and this independent power supply charge circuit of controlling this first relay is connected;
The independent power supply current supply circuit, in parallel with this independent power supply charge circuit, be in series by this independent power supply, second relay, second switch, the external equipment that is connected on this power supply mouth, wherein whether this second switch folding and this independent power supply current supply circuit of controlling this second relay is connected.
2. mobile unit electric supply installation according to claim 1 is characterized in that, this independent power supply is the automobile-used lead battery of 12V.
3. mobile unit electric supply installation according to claim 1 is characterized in that, connects charging indicator light in this independent power supply charge circuit.
4. mobile unit electric supply installation according to claim 1 is characterized in that, connects the power supply indicator lamp in this independent power supply current supply circuit.
5. according to claim 3 or 4 described mobile unit electric supply installations, it is characterized in that indicator lamp is a light-emitting diode.
6. mobile unit electric supply installation according to claim 1, it is characterized in that, this first switch disconnects when needs registration of vehicle engine starting process data, this first relay disconnects, this second switch closure, this second relay adhesive, this external equipment is powered by this independent power supply; This first switch is finished at this vehicle motor and is started the back closure, and this Vehicular system power supply charges to this independent power supply.
7. mobile unit electric supply installation according to claim 1 is characterized in that, at this independent power supply and this Vehicular system power supply place difference erection insurance silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202104781U CN201501357U (en) | 2009-09-29 | 2009-09-29 | Vehicle-mounted device supplying power for equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202104781U CN201501357U (en) | 2009-09-29 | 2009-09-29 | Vehicle-mounted device supplying power for equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201501357U true CN201501357U (en) | 2010-06-09 |
Family
ID=42452295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202104781U Expired - Lifetime CN201501357U (en) | 2009-09-29 | 2009-09-29 | Vehicle-mounted device supplying power for equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201501357U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104205593A (en) * | 2012-03-29 | 2014-12-10 | 株式会社自动网络技术研究所 | Power source device |
| CN110024248A (en) * | 2016-11-11 | 2019-07-16 | 莱尼电气系统有限公司 | Power divider and onboard power system at least one power divider |
| CN111645617A (en) * | 2020-05-14 | 2020-09-11 | 摩登汽车(盐城)有限公司 | Wire harness diagnosis system for three electric systems of electric automobile and electric automobile |
-
2009
- 2009-09-29 CN CN2009202104781U patent/CN201501357U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104205593A (en) * | 2012-03-29 | 2014-12-10 | 株式会社自动网络技术研究所 | Power source device |
| CN110024248A (en) * | 2016-11-11 | 2019-07-16 | 莱尼电气系统有限公司 | Power divider and onboard power system at least one power divider |
| CN110024248B (en) * | 2016-11-11 | 2021-11-02 | 莱尼电气系统有限公司 | Power splitter and on-board electrical system having at least one power splitter |
| CN111645617A (en) * | 2020-05-14 | 2020-09-11 | 摩登汽车(盐城)有限公司 | Wire harness diagnosis system for three electric systems of electric automobile and electric automobile |
| CN111645617B (en) * | 2020-05-14 | 2021-11-23 | 摩登汽车(盐城)有限公司 | Wire harness diagnosis system for three electric systems of electric automobile and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100609 |
|
| CX01 | Expiry of patent term |