CN109782205B - Intelligent battery sensor testing device - Google Patents
Intelligent battery sensor testing device Download PDFInfo
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- CN109782205B CN109782205B CN201711104013.3A CN201711104013A CN109782205B CN 109782205 B CN109782205 B CN 109782205B CN 201711104013 A CN201711104013 A CN 201711104013A CN 109782205 B CN109782205 B CN 109782205B
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Abstract
The invention discloses an intelligent battery sensor testing device which is used for testing the performance of an intelligent battery sensor. The device comprises a host, a test fixture and a direct-current stabilized voltage power supply, wherein the test fixture comprises a simulation pole, and in the performance test, the negative electrode calipers of the intelligent battery sensor are fixed on the simulation pole of the test fixture. The DC regulated power supply is configured to provide an operating voltage, a load current, or a sleep current to the smart battery sensor. The host is electrically connected to the direct-current stabilized power supply and comprises a working mode switching system, the working mode switching system is configured to be used for controlling the output characteristic of the direct-current stabilized power supply, controlling the direct-current stabilized power supply to output different currents with different durations to the intelligent battery sensor to be tested, and automatically switching the tested intelligent battery sensor between a working mode and a sleep mode.
Description
Technical Field
The invention relates to the technical field of intelligent battery sensors, in particular to an intelligent battery sensor testing device.
Background
The intelligent battery sensor is arranged on a cathode pole of a storage battery in an automobile engine compartment and used for measuring parameters such as voltage, current and temperature of the storage battery. After the engine is ignited, the intelligent battery sensor enters a working mode; after the engine is shut down, the smart battery sensor enters a sleep mode.
Currently, there are two methods to realize the switching of the working mode of the intelligent battery:
1) the monitoring software is used for manually operating the software to send a working mode command and a sleep mode command to the intelligent battery sensor, so that the battery sensor can be switched between the working mode and the sleep mode.
2) The intelligent battery sensor is switched between a working mode and a dormant mode by manually controlling the value of the power supply current and the switching time.
Both of these mode switching methods have the following disadvantages:
firstly, manual operation software or a direct-current power supply is needed to realize the switching of the working mode of the intelligent battery sensor;
secondly, the manual operation cannot realize accurate time switching;
thirdly, manual operation does not enable duration in different modes of operation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention mainly aims to provide an intelligent battery sensor testing device which can realize the automatic switching mode of an intelligent battery sensor in the testing process.
According to one aspect of the invention, a testing device for an intelligent battery sensor is provided for testing the performance of the intelligent battery sensor. The device comprises a host, a test fixture and a direct-current stabilized voltage power supply, wherein the test fixture comprises a simulation pole, and in the performance test, the negative electrode calipers of the intelligent battery sensor are fixed on the simulation pole of the test fixture. The DC regulated power supply is configured to provide an operating voltage, a load current, or a sleep current to the smart battery sensor. The host is electrically connected to the direct-current stabilized power supply and comprises a working mode switching system, the working mode switching system is configured to be used for controlling the output characteristic of the direct-current stabilized power supply, controlling the direct-current stabilized power supply to output different currents with different durations to the intelligent battery sensor to be tested, and automatically switching the tested intelligent battery sensor between a working mode and a sleep mode.
As an alternative implementation, the dc regulated power supply includes at least a voltage channel and a current channel. The positive electrode and the negative electrode of the voltage channel port are respectively configured on a power interface and a test fixture which are connected to the intelligent battery sensor, and the voltage channel port is used for providing working voltage of the intelligent battery sensor. The positive electrode and the negative electrode of the current channel port are respectively configured at the bonding end connected to the intelligent battery sensor and the test fixture and used for providing the load current of the intelligent battery sensor.
As an optional implementation scheme, a positive electrode of a port of a voltage channel of the dc regulated power supply is connected to a power interface of the smart battery sensor through a power line, and a negative electrode of the port of the voltage channel is connected to an analog pole of the test fixture through a ground line.
As an optional implementation scheme, a positive electrode of a port of a current channel of the dc regulated power supply is connected to a bonding end of the intelligent battery sensor through a bonding wire, a negative electrode of the port of the current channel is connected to an analog pole of the test fixture through a ground wire, and a load current of the intelligent battery sensor is a current flowing between the negative electrode caliper and the bonding end.
As an optional implementation scheme, the host controls the direct-current stabilized voltage power supply, the output function of the current channel is selected as current output, the current output comprises a first current output and a second current output, and the time of controlling the first current output is the time of the intelligent battery sensor in the working mode; controlling the time of the second current output may enable the time of the smart battery sensor in the sleep mode.
As an optional implementation scheme, the working mode switching system includes a power supply voltage control unit, a load current control unit, and a quiescent current control unit, where the power supply voltage control unit is configured to control a voltage channel of the dc voltage regulator to output a working voltage of the intelligent battery sensor; the load current control unit is used for controlling a current channel of the direct current stabilized power supply to output the first current output value as the load current of the intelligent battery sensor; and the quiescent current control unit is used for controlling a current channel of the direct current stabilized power supply to output the second current output value as the dormancy current of the intelligent battery sensor.
As an alternative implementation, the first current output value is the highest output current of the dc regulated power supply, and the second current output value is a quiescent current value simulating an actual vehicle.
As an optional implementation scheme, the supply voltage control unit includes a first channel selection module for setting a voltage output channel, a first function selection module for setting an output object as a voltage, and a first parameter setting module for setting a magnitude of an output voltage.
As an optional implementation scheme, the load current control unit includes a second channel selection module for setting a load current output channel, a second function selection module for setting an output object as a current, a second parameter setting module for setting a magnitude of an output load current, and a working time setting module for setting a load current output time.
As an optional implementation scheme, the quiescent current control unit includes a third parameter setting module for setting the magnitude of the quiescent current and a sleep time setting module for setting the output time of the quiescent current.
In the optional technical scheme of the invention, the control on the output characteristic of the direct current stabilized power supply is realized through the working mode switching system, and the working mode of the intelligent battery sensor can be automatically switched in the test process. Secondly, through time setting, the intelligent battery sensor 140 can switch the working mode at accurate time, and the duration of the intelligent battery sensor in different working modes can be realized, so that the problems in the prior art are thoroughly solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a test installation diagram of a smart battery sensor testing apparatus according to a preferred embodiment of the present invention; and
fig. 2 is a functional block diagram of an operation mode switching system of the intelligent battery sensor testing device according to a preferred embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, the present embodiment provides an intelligent battery sensor testing apparatus, which includes a host 110, a testing fixture 130, and a dc regulated power supply 150, wherein the host 110 is electrically connected to the dc regulated power supply 150. The smart battery sensor 140 to be tested is fixed on the test fixture 130, and specifically, the test fixture 130 includes a simulation post 131, and the simulation post 131 simulates a negative post of a storage battery in an engine compartment of an automobile. The smart battery sensor to be tested 140 includes a power interface 141, a ground terminal 142, and a negative caliper 143. In the performance test, the intelligent battery sensor 140 is mounted with the test fixture 130, the negative clamp 143 of the intelligent battery sensor 140 is fixed on the simulation post 131 of the test fixture 130, the negative clamp 143 is equivalent to the grounding end of the intelligent battery sensor 140, that is, the grounding end of the intelligent battery sensor 140 is sleeved on the simulation post 131 of the test fixture 130.
In this embodiment, the host 110 is a notebook computer, a desktop computer, or a tablet computer. The elements denoted by reference numeral 120 in fig. 1 are switching connection lines. The host 110 and the regulated dc power supply 150 are connected together by a switching connection 120. Specifically, the conversion connecting line 120 is, for example, a conversion connecting line between a General Purpose Interface Bus (GPIB) Interface and a USB Interface, the USB end Interface of the conversion connecting line 120 is connected to the USB Interface of the host 110, and the GPIB end Interface of the conversion connecting line 120 is connected to a GPIB Interface on the back of the dc regulated power supply 150.
The dc regulated power supply 150 includes at least two channels, and in this embodiment, the dc regulated power supply 150 includes three channels, one of which is a voltage channel configured to provide the operating voltage of the smart battery sensor 140; one channel is a current channel configured to provide a load current of the smart battery sensor 140; the other channel is ready for use.
As shown in fig. 1, the positive electrode and the negative electrode of the voltage channel port of the dc voltage regulator 150 are respectively connected to the power interface 141 of the intelligent battery sensor 140 and the test fixture 130, for providing the operating voltage of the intelligent battery sensor 140. That is, the positive port of the voltage channel is connected to the power interface 141 of the smart battery sensor 140 through the power line 180, and the negative port of the voltage channel is connected to the analog pole 131 of the test fixture 130 through the ground line 170. The host 110 controls the DC stabilized power supply 150 to select the voltage channel to output voltage, and the output voltage value is the normal working voltage of the intelligent storage battery sensor 140.
The positive electrode and the negative electrode of the current channel port of the direct current stabilized power supply 150 are respectively connected with the bonding end 142 of the intelligent battery sensor 140 and the test fixture 130, and are used for providing the load current of the intelligent battery sensor 140. Specifically, the port positive electrode of the current channel is connected to the bonding terminal 142 of the test smart battery sensor 140 through the bonding wire 160, and the port negative electrode is connected to the analog pole 131 of the test fixture 130 through the grounding wire 170, so that the load current of the smart battery sensor 140 is the current flowing between the negative electrode clamp 143 and the bonding terminal 142.
The control of the output characteristic of the dc regulated power supply 150, that is, the control of the dc regulated power supply 150 to output different currents of different durations to the smart battery sensor 140 to be tested, is realized by the operating mode switching system 20 running in the host 110, so that the smart battery sensor 140 is switched between the operating mode and the sleep mode. The host 110 controls the dc regulated power supply 150 to select a current channel output, and the output function is a current output, where the current output includes a first current output and a second current output, the first current output is the highest output current of the dc regulated power supply 150, and the time of the first current output is controlled to be the time of the smart battery sensor 140 in the working mode. The second current output value is a static current value simulating an actual vehicle, and controlling the time of the second current output can realize the time of the intelligent battery sensor 140 in the sleep mode.
Further, as shown in fig. 2, the operation mode switching system 20 operating in the host 110 includes a supply voltage control unit 210, a load current control unit 220, and a quiescent current control unit 23. The power supply voltage control unit 210 is configured to control a voltage channel of the dc voltage regulator 150 to output an operating voltage of the intelligent battery sensor. The power supply voltage control unit 210 includes a first channel selection module 211 for setting a voltage output channel, a first function selection module 212 for setting an output object as a voltage, a first parameter setting module 213 for setting a magnitude of the output voltage, and a current consumption display module (not shown) for calculating and displaying a consumption current of the smart battery sensor 140. In another embodiment, the current consumption display module may be omitted.
The load current control unit 220 is configured to control a current channel of the regulated dc power supply 150 to output a load current of the smart battery sensor, where the load current is a first current output value of the current channel, that is, a highest output current of the regulated dc power supply 150. The load current control unit 220 includes a second channel selection module 221 for setting a load current output channel, a second function selection module 222 for setting an output object as a current, a second parameter setting module 223 for setting a magnitude of an output load current, and an operating time setting module 224 for setting a load current output time.
The quiescent current control unit 23 is configured to control a current channel of the dc regulated power supply 150 to output a sleep current of the smart battery sensor, where the sleep current is a second current output value of the current channel, that is, a quiescent current value simulating an actual vehicle. The quiescent current control unit 23 includes a third parameter setting module 231 for setting the magnitude of the quiescent current and a sleep time setting module 232 for setting the output time of the quiescent current.
Referring to fig. 1, in the present embodiment, the first channel selection module 211 and the first function selection module 212 of the power supply voltage control unit 210 select a voltage channel as a voltage output function, and the first parameter setting module 213 sets a normal operating voltage value of the intelligent battery sensor 140, and the current consumption display module displays a consumption current of the intelligent battery sensor. The current channel is selected as the current output function by the second channel selection module 221 and the second function selection module 222 of the load current control unit 220, the maximum output current of the dc voltage-stabilized power supply 150 is set as the load current of the smart battery sensor 140 by the second parameter setting module 223, and the current output holding time, i.e., the operation mode time of the smart battery sensor 140 is input by the operation time setting module 224. The vehicle quiescent current value is set by the third parameter setting module 231 and the quiescent current output holding time, i.e., the sleep mode time of the smart battery sensor 140 is set by the sleep time setting module 232. Through the above arrangement, the smart battery sensor 140 can be automatically switched between two operating modes during the testing process.
Compared with the prior art, the invention has the beneficial effects that:
the control of the output characteristics of the dc voltage-stabilized power supply 150 is realized by the operation mode switching system 20, the operation mode of the intelligent battery sensor 140 can be automatically switched in the test process, and secondly, the operation mode of the intelligent battery sensor 140 can be switched at accurate time by time setting, and the duration time of the intelligent battery sensor in different operation modes can be realized, so that the problems in the prior art are thoroughly solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An intelligent battery sensor testing device is used for testing the performance of an intelligent battery sensor and comprises a host, a testing clamp and a direct-current stabilized power supply, wherein the testing clamp comprises an analog pole; the direct current stabilized power supply is configured to provide working voltage, load current or dormancy current for the intelligent battery sensor; the host is electrically connected to the direct-current stabilized power supply and comprises a working mode switching system, the working mode switching system is configured to be used for controlling the output characteristic of the direct-current stabilized power supply, controlling the direct-current stabilized power supply to output different currents with different durations to the intelligent battery sensor to be tested and realizing the automatic switching of the tested intelligent battery sensor between a working mode and a sleep mode; the host machine controls the direct-current stabilized power supply, the output function of the current channel is selected as current output, the current output comprises a first current output and a second current output, and the time of controlling the first current output is the time of the intelligent battery sensor in the working mode; controlling the time of the second current output may enable the time of the smart battery sensor in the sleep mode.
2. The intelligent battery sensor testing device according to claim 1, wherein the dc regulated power supply at least comprises a voltage channel and a current channel, wherein the positive and negative electrodes of the voltage channel port are respectively configured to be connected to the power interface and the testing fixture of the intelligent battery sensor, for providing the working voltage of the intelligent battery sensor; the positive electrode and the negative electrode of the current channel port are respectively configured at the bonding end connected to the intelligent battery sensor and the test fixture and used for providing the load current of the intelligent battery sensor.
3. The intelligent battery sensor testing device of claim 2, wherein a positive terminal of a voltage channel port of the direct current stabilized power supply is connected to a power supply interface of the intelligent battery sensor through a power supply line, and a negative terminal of the voltage channel is connected to an analog pole of the testing fixture through a ground line.
4. The intelligent battery sensor testing device according to claim 3, wherein a positive electrode of a port of a current channel of the direct current stabilized power supply is connected to a bonding end of the intelligent battery sensor through a bonding wire, a negative electrode of the port of the current channel is connected to an analog pole of the testing fixture through a grounding wire, and a load current of the intelligent battery sensor is a current flowing between the negative electrode caliper and the bonding end.
5. The intelligent battery sensor testing device according to any one of claims 1 to 4, wherein the operation mode switching system comprises a supply voltage control unit, a load current control unit and a quiescent current control unit, wherein the supply voltage control unit is used for controlling a voltage channel of the direct current stabilized power supply to output the operation voltage of the intelligent battery sensor; the load current control unit is used for controlling a current channel of the direct current stabilized power supply to output the first current output value as the load current of the intelligent battery sensor; and the quiescent current control unit is used for controlling a current channel of the direct current stabilized power supply to output the second current output value as the dormancy current of the intelligent battery sensor.
6. The intelligent battery sensor testing device of claim 5, wherein the first current output value is a maximum output current of a regulated DC power supply, and the second current output value is a quiescent current value simulating an actual vehicle.
7. The intelligent battery sensor testing device according to claim 5, wherein the power supply voltage control unit comprises a first channel selection module for setting a voltage output channel, a first function selection module for setting an output object as a voltage, and a first parameter setting module for setting a magnitude of the output voltage.
8. The intelligent battery sensor testing device according to claim 5, wherein the load current control unit comprises a second channel selection module for setting a load current output channel, a second function selection module for setting an output object as a current, a second parameter setting module for setting a magnitude of an output load current, and an operating time setting module for setting a load current output time.
9. The intelligent battery sensor testing device of claim 5, wherein the quiescent current control unit comprises a third parameter setting module for setting the magnitude of quiescent current and a sleep time setting module for setting the output time of quiescent current.
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