CN209204686U - Current sensor apparatus - Google Patents
Current sensor apparatus Download PDFInfo
- Publication number
- CN209204686U CN209204686U CN201690000686.7U CN201690000686U CN209204686U CN 209204686 U CN209204686 U CN 209204686U CN 201690000686 U CN201690000686 U CN 201690000686U CN 209204686 U CN209204686 U CN 209204686U
- Authority
- CN
- China
- Prior art keywords
- current
- sensor apparatus
- handling equipment
- current sensor
- signal handling
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/364—Battery terminal connectors with integrated measuring arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
A kind of current sensor apparatus, the current sensor apparatus is designed to be anchored on battery terminal or be integrated in the battery terminal, the current sensor apparatus includes current divider and signal handling equipment, the signal handling equipment, which is connected, and the mode of design is makes its record by the electric current of the current divider and/or the voltage of current divider both ends sharp fall, and the signal handling equipment is using the form and offer of analog circuit dependent on institute's record current and/or the analog output signal of institute's recording voltage.
Description
The present invention relates to a kind of current sensor apparatus, and are related to the use of the sensor device in the motor vehicle
On the way.
Especially in modern vehicle, the measurement of electric current is become more and more important in vehicle.Nowadays, in major part
Vehicle in be mounted with a large amount of battery sensor.Using these sensors, automaker can check the energy in vehicle
Flowing, and therefore to reduction energy consumption and cut down CO2Sizable contribution is made in discharge.
Generally by means of Hall (Hall) sensor or the current measuring shunt device of use high-quality in these sensors
To measure electric current.
Relatively expensive microcontroller is commonly used in these battery sensors based on current divider.Via LIN interface number
Ground output current signal and temperature signal.On the contrary, Hall sensor needs the complexity induction to magnetic field.For this purpose, it is necessary to
Electric conductor is surrounded in a particular manner or sensor is arranged on electric conductor.Output signal from these sensors is usually mould
Quasi- voltage signal.Modern Hall sensor usually equally has temperature signal.Nowadays known current sensor is usually to record
The sensor based on microcontroller of current divider both end voltage drop or be Hall sensor, the Hall sensor is arranged
In the air gap of toroidal core in the defined position relative to battery cable or around battery cable.
In this case, the battery sensor of the microcontroller control based on current divider is distinguished by the standard of height
True property, and the sensor based on Hall it is obviously more inaccurate but advantageously.
It is a kind of opposite with cost-benefit and/or relatively accurate measurement current sensor it is an object of the present invention to propose
Device.
According to the present invention, the current sensor apparatus is designed to be anchored on battery terminal or is integrated in the electricity
In the terminal of pond, the current sensor apparatus includes current divider and signal handling equipment, the signal handling equipment be connected and
The mode of design is that its record is made to pass through the electric current of the current divider and/or the voltage of current divider both ends decline, the letter
Number processing equipment depends on the simulation output of institute's record current and/or institute's recording voltage using the form and providing of analog circuit
Signal, the signal handling equipment do not include digital circuits section and/or microcontroller, which is characterized in that the signal processing
Equipment records temperature by means of temperature sensor element, and particularly provides temperature signal and be used as additional analog output signal,
And it is, the signal handling equipment has the NTC themistor as temperature sensor element.The electric current passes
Sensor arrangement realizes above-mentioned target.
Current sensor apparatus is preferably understood as referring to that battery sensor or current sensor apparatus are preferably adopted
With the form of battery sensor.
Signal handling equipment is preferably formed on chip, or using the form of integrated circuit.
Signal handling equipment is suitably understood to mean signal processing circuit.
The signal handling equipment does not preferably include digital circuits section and/or microcontroller.In this case, whole
A current sensor apparatus or entire battery sensor do not have digital circuits section and/or microcontroller suitably.
The current sensor apparatus or the battery sensor are preferably integrated into battery terminal.
The mode that current sensor apparatus or battery sensor are preferably designed is to allow to be connected and operate in
Motor vehicle battery it is extreme in.This is more particularly to housing form and size.
The current sensor arrangement suitably has at least two mains connections, is institute via the mains connection
It states current sensor apparatus and electric energy is provided, the two mains connections are not connected to the current path of current divider or current divider.
In this case, the mode that current sensor apparatus is specifically designed is so that being connected by means of the two power supplys
Fitting provides electric energy at least described signal handling equipment.The mode that current sensor apparatus is particularly preferably designed is to make it
It can be connected or be connected to by means of the two mains connections and the control of the restriction supply voltage of such as 5V DC is provided
Equipment.Due to the fact that, any overvoltage protection is not needed in current sensor apparatus: current sensor apparatus has electricity
Source connector, and it can be therefore connected to the supply voltage (particularly steady and reliable supply voltage) of restriction, without
It is connected directly to the supply voltage of the end voltage as battery.
The signal handling equipment preferably has there are two connector is recorded, and the record connector is connected to described point
Flow the current path of device or the current divider, and be used to record and/or tap through the electric current of the current divider and/or
The current divider both ends significantly voltage, the two record connectors in the signal handling equipment are connected to preceding storing
The input terminal of big device circuit, the preamplifier circuit are connected to booster amplifier circuit in output end.Preposition amplification
Device circuit and/or booster amplifier circuit particularly preferably use the shape of differential amplifier circuit and/or operation amplifier circuit
Formula.
Booster amplifier circuit suitably provides analog output signal.
The signal handling equipment records temperature preferably by means of temperature sensor element, and particularly preferably provides
Temperature signal is as additional analog output signal.In this case, the side that current sensor apparatus is particularly preferably designed
Formula is so that temperature sensor element is connected to current divider and/or company in thermally conductive mode or using relatively good thermal conductivity
It is connected to extreme.This allows for relatively accurate thermograph and measurement.
Temperature sensor element suitably uses the form of NTC themistor.
The mode that current divider is suitably designed is that be designed to it be more than the current strength of 1000A.The electric current
Sensor device is particularly equally formed and is designed relative to its signal handling equipment in this respect, is passed through so as to record
This current strength of current divider.
The mode that signal handling equipment is preferably designed be make the output signal from battery sensor be with electric current at
The analog current signal of ratio, that is to say, that it is the current signal proportional to electric current relative to current divider, or relative to
The current divider analog voltage signal proportional to electric current, and specifically with the output amplitude of 0.5V to 4.5V.
The mode that current sensor apparatus is preferably designed is that can be connected to both cathode and anode of battery
And it can be operated at the two.
The invention further relates to the purposes of current sensor apparatus or battery sensor in the motor vehicle.
Fig. 1 show circuit schematic diagram and exemplary illustration or current sensor apparatus or battery sensor relative to
The design of its operating method.
The current divider 1 (such as especially low resistance with substantially 100 μ ohms) of battery sensor is electrically connected to automobile
The battery terminal 9 of battery and be connected in the automobile connect electric loading battery line 10.In such case
Under, for example, current sensor apparatus connects and is attached to high-pressure side and low-pressure side connector or the potential of battery cable beam.
Signal handling equipment is connected to current path in such a way that it records connector 2 and 3, current path base in an electrically conductive manner
Directly pass through the current divider in the upstream and downstream of current divider 1 in sheet.Connector 2 and 3 is recorded via input resistor R (example
Such as it is used as protecting circuit system) it is connected to the input of preamplifier circuit 4 (for example, by using the form of difference amplifier)
End.Capacitor or capacity cell C are connected between the two input resistors R as supplementary protection circuit system.Preposition amplification
The output of device circuit 4 is provided to the input terminal of booster amplifier circuit 5 (the same form for using difference amplifier), additional to put
Big device circuit 5 provides the analog voltage signal 11 of the electric current proportional relative to current divider 1 in output end, and (such as 0.5V is extremely
4.5V) as the output signal from battery sensor.Signal handling equipment is connected by means of the two mains connections 6 and 7
To external electronic control unit ECU, and for example use stable mode for the signal processing by the electronic control unit
The supply voltage of equipment supply 5V.In addition, signal handling equipment has using simulation NTC themistor (negative temperature system heat
Sensitive resistor) form temperature sensor element 8, and output end provide temperature signal as tes signal output.?
In this case, temperature sensor element 8 is connected to both battery terminal and current divider 1 (not shown) with heat-conducting mode, and
And it is arranged on the printed circuit board of such as current sensor apparatus.If applying substantially 0V to booster amplifier circuit 5
Differential voltage and measuring signal be not therefore 0V, then provided to booster amplifier circuit 5 and correspond to such as supply voltage
Reference signal 13, thus output reference voltage.For example, during current sensor apparatus is opened, 8 essence of temperature sensor element
The temperature of upper record battery terminal 9, and its temperature is substantially recorded as current divider 1 heats, as a result, in the operation phase
Between substantially record the temperature of current divider 1.
Claims (8)
1. a kind of current sensor apparatus, the current sensor apparatus is designed to be anchored on battery terminal or be integrated in
In the battery terminal, the current sensor apparatus includes current divider (1) and signal handling equipment, the signal handling equipment
The mode for being connected and designing is that its record is made to pass through the electric current of the current divider and/or the electricity of current divider both ends decline
Pressure, the signal handling equipment depend on institute's record current and/or institute's recording voltage using the form and offer of analog circuit
Analog output signal (11), the signal handling equipment does not include digital circuits section and/or microcontroller, and feature exists
In the signal handling equipment records temperature by means of temperature sensor element (8), and particularly provides temperature signal (12)
As additional analog output signal, and it is, the signal handling equipment has the NTC as temperature sensor element (8)
Thermal resistor.
2. current sensor apparatus as described in claim 1, which is characterized in that the signal handling equipment is formed at least one
On a chip.
3. current sensor apparatus as described in claim 1, which is characterized in that the current sensor apparatus is integrated in institute
It states in battery terminal.
4. current sensor apparatus as claimed any one in claims 1 to 3, which is characterized in that the current sensor dress
Setting tool, there are two mains connection (6,7), provide electric energy to the current sensor apparatus by the mains connection, this two
A mains connection (6,7) is not connected to the current path of the current divider (1) or the current divider.
5. current sensor apparatus as claimed any one in claims 1 to 3, which is characterized in that the signal handling equipment
For tool there are two connector (2,3) are recorded, the record connector is connected to the electric current of the current divider (1) or the current divider
Path and the voltage that be used to record and/or tap the electric current and/or the current divider both ends that pass through the current divider, it is described
The two records connector (2,3) in signal handling equipment are connected to the input terminal of preamplifier circuit (4), before described
It sets amplifier circuit and is connected to booster amplifier circuit (5) in output end.
6. current sensor apparatus as claimed in claim 4, which is characterized in that there are two records for the signal handling equipment tool
Connector (2,3), it is described record connector be connected to the current divider (1) or the current divider current path and by with
Pass through the electric current of the current divider and/or the voltage at the current divider both ends, the signal handling equipment in record and/or tap
In the two records connector (2,3) be connected to the input terminals of preamplifier circuit (4), the preamplifier circuit
Booster amplifier circuit (5) are connected in output end.
7. current sensor apparatus as claimed in claim 5, which is characterized in that the booster amplifier circuit (5), which provides, comes
From the analog output signal of the current sensor apparatus.
8. current sensor apparatus as claimed in claim 6, which is characterized in that the booster amplifier circuit (5), which provides, comes
From the analog output signal of the current sensor apparatus.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015006481 | 2015-05-22 | ||
| DE102015006481.9 | 2015-05-22 | ||
| PCT/EP2016/061348 WO2016188873A1 (en) | 2015-05-22 | 2016-05-19 | Analogue battery terminal sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209204686U true CN209204686U (en) | 2019-08-06 |
Family
ID=56068893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690000686.7U Expired - Fee Related CN209204686U (en) | 2015-05-22 | 2016-05-19 | Current sensor apparatus |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR102055991B1 (en) |
| CN (1) | CN209204686U (en) |
| DE (1) | DE102016208678A1 (en) |
| WO (1) | WO2016188873A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004007851B4 (en) * | 2004-02-17 | 2006-03-16 | Kromberg & Schubert Gmbh & Co. Kg | Connection device for a battery |
| JP4877404B2 (en) * | 2009-08-31 | 2012-02-15 | 株式会社デンソー | Current detector |
| US20110089931A1 (en) * | 2009-10-19 | 2011-04-21 | Nemic-Lambda Ltd. | Temperature-compensated shunt current measurement |
| JP2011106891A (en) * | 2009-11-14 | 2011-06-02 | Mitsubishi Materials Corp | Current sensor device |
| JP2011164008A (en) * | 2010-02-12 | 2011-08-25 | Denso Corp | Current detector |
-
2016
- 2016-05-19 DE DE102016208678.2A patent/DE102016208678A1/en not_active Withdrawn
- 2016-05-19 CN CN201690000686.7U patent/CN209204686U/en not_active Expired - Fee Related
- 2016-05-19 WO PCT/EP2016/061348 patent/WO2016188873A1/en active Application Filing
- 2016-05-19 KR KR1020177033318A patent/KR102055991B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016208678A1 (en) | 2016-11-24 |
| WO2016188873A1 (en) | 2016-12-01 |
| KR102055991B1 (en) | 2019-12-13 |
| KR20170139088A (en) | 2017-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20210519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |