KR101918493B1 - Electrical safety multi inspection device for eco-vehicles - Google Patents

Abstract

The present invention relates to an electrical safety multi inspection device for eco-vehicles. The electrical safety multi inspection device is integrated with a charger installed in an electric charging station, can check the electrical stability of an electric vehicle and the state of the vehicle when the vehicle is charged, and can inform a user of the same. To this end, the electrical safety multi inspection device comprises a controller part (10) which can check the electrical stability of the vehicle and guide the result thereof, or transmit the result to a management server provided in a portable terminal or an external computer network of a user, and a charger (20) having the controller part (10) inside or outside and capable of charging the battery of the vehicle.

Description

ELECTRICAL SAFETY MULTI INSPECTION DEVICE FOR ECO-VEHICLES <br> <br> <br> Patents - stay tuned to the technology ELECTRICAL SAFETY MULTI INSPECTION DEVICE FOR ECO-VEHICLES

The present invention relates to an electric safety integrated inspection equipment for an environmentally friendly automobile including an electric vehicle, and is provided with an integrated charger installed in an inspection station to inspect electrical safety, and it checks the electrical safety of the electric vehicle and the condition of the vehicle when the vehicle is charged, And can inform the user of the safety state of the vehicle by using this.

Recently, interest in electric vehicles has increased due to the policy issue and demand for environmentally friendly vehicles.

In the case of an electric vehicle, since it uses a high voltage as a power source, there is a risk factor such as a user electric shock accident caused by a leakage current, so it is very important to check the electric stability.

Such electrical stability can be confirmed by insulation performance and electrical continuity.

The double insulation performance can be checked by measuring the insulation resistance, and the electrical continuity is checked to see if the electricity is supplied continuously by measuring the lifetime of the battery applied to the vehicle.

A variety of techniques are provided to measure the electrical stability as described above. Typical examples thereof include a separate measurement device for measuring electrical stability, and measurement is performed using the measurement device.

However, when the electrical stability of the vehicle is measured, such a separate measuring device may cause problems such as damage to the vehicle because the ground is applied to the part of the vehicle and the measurement is made.

Due to such a problem, Korean Patent Laid-Open Publication No. 10-2017-0099006 (hereinafter referred to as "prior art") is a portable electric vehicle safety inspection device which is easy to carry, The present invention relates to a safety inspection device for a portable electric vehicle for detecting a short circuit of an electric vehicle and a safety inspection device for a portable electric vehicle capable of safely performing an electric leakage detection, The portable electric automobile safety inspection device includes a power supply unit connected to an inlet for supplying electric power for charging the battery of an electric vehicle and having a relay for turning on / off the power supply, a power supply unit for supplying electric power to the inlet, When the battery is supplied with power, the insulation resistance of the electric vehicle with the battery If the measuring unit, the insulation resistance value measured by the measurement unit for group is set higher than the insulation resistance discloses a technology that a display for displaying the notification signal generated from the controller, the controller generating a notification signal.

However, in the case of the prior art described above, it is possible to prevent breakage or the like of the vehicle by measuring an inlet-shaped check port by connecting the charge port of the vehicle to the charging terminal of the vehicle, but it is difficult to measure the electrical stability and continuity related to the life of the battery However, there is a problem that it is difficult to acquire various measured values because only the means for informing the measurement result through the signal in the field is provided.

Korean Registered Patent No. 10-1773947 (Registered as an inspection device for electric car chargers, registered on August 28, 2017) Korean Patent Publication No. 10-2017-0099006 (Safety inspection device for portable electric vehicle, published on August 31, 2017) Korean Registered Patent No. 10-1677553 (Registered on November 14, 2016 for evaluation of insulation stability of electric vehicle through electrical continuity and insulation resistance measurement) Korean Patent Laid-Open No. 10-2016-0029463 (Device and method for simple performance diagnosis of a battery string, published on Mar. 15, 2016)

In order to overcome the above problems, the present invention provides an electric safety integrated inspection apparatus for an eco-friendly automobile, which is integrally provided in a charger used for charging an electric vehicle and can measure the electrical stability and continuity of the vehicle when the vehicle is charged. .

It is still another object of the present invention to provide an eco-friendly vehicle which can easily store and use information about a vehicle by allowing measurement data according to an inspection to be transmitted to a management server provided in a portable terminal or an external network of a user, It is an object of the present invention to provide an electric safety comprehensive inspection apparatus for an automobile.

In order to overcome the above-described problems, an electronic safety integrated inspection apparatus for an environment-
A control unit 10 for checking electrical stability through measurement of insulation resistance of the vehicle, electrical continuity for measuring the performance of the battery, and checking the state of the battery and guiding the results thereof;
And a charger 20 provided inside or outside the control unit 10 and connected to the vehicle for charging the battery and checking the condition of the vehicle,
The control unit 10 includes an insulation measurement unit 15 for measuring insulation safety through measurement of insulation resistance of an electric vehicle and a battery diagnosis unit 16 for measuring the state and electrical continuity of the battery,
The battery diagnosis unit 16 determines whether there is an abnormality in the battery or an abnormal condition of the battery based on the operation time of the battery through the time difference between the charging and discharging and the time difference between the repeated charging, And an electric safety integrated inspection device for an environmentally friendly automobile.

Here, the control unit 10 includes a central processing unit 11 for determining electrical stability and electrical continuity using information such as a voltage value, a current value, a resistance value, or a battery temperature input from the target electric vehicle A memory unit 12 for storing firmware and S / W for operation, information input from the outside, and result values according to the processing of the central processing unit 11, and information stored in the memory unit 12, Output unit 13 and a communication unit 14 for transmitting the check result of the vehicle to a management server provided in the portable terminal or the external network.

The charger 20 supplies power for charging the vehicle and communicates with the vehicle through an inlet 21 for inputting the battery temperature, voltage value, current value, and resistance value of the vehicle to the data input / output unit 13 And a ground terminal 22 directly grounded to the vehicle. The insulation measurement unit 15 includes an input unit 151 for receiving the voltage and current values of the DC power supplied to the electric vehicle to be inspected, A stabilization unit 152 for stabilizing the voltage of the DC power source inputted to the stabilizing unit 151 and a stabilizing unit 152 for stabilizing the voltage of the DC power stabilized in the stabilizing unit 152, The voltage and current of the DC test power to be output from the converter 153 and the converter 153 for converting the current into the current may be outputted to the display device further provided to the charger 20 or may be output to the communication unit 14 The user's portable terminal or And an output unit (154) for transmitting data to a management server provided in an external computer network, thereby achieving the object of the present invention more easily by providing an electronic safety integrated inspection equipment for an environment friendly automobile.

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By providing the electric safety integrated inspection equipment for an environmentally friendly automobile according to the present invention, it is possible to increase the convenience of the user by measuring the electrical characteristics of the electric vehicle as well as charging the electric vehicle, storing information such as inspection contents and using it easily So that the vehicle management can be performed more efficiently.

1 is a block diagram of an electrical safety comprehensive inspection apparatus for an environmentally friendly automobile according to the present invention.
2 is an exemplary view showing an embodiment of an electrical safety integrated inspection apparatus for an environmentally friendly automobile according to the present invention.
3 is a schematic diagram of another embodiment of an electrical safety integrity inspection apparatus for an environmentally friendly automobile according to the present invention.

The present invention relates to an integrated charger installed at an inspection station where electrical safety is to be inspected. It is used for checking electrical stability through measurement of insulation resistance of an environmentally friendly vehicle including an electric vehicle, electrical continuity by measuring degradation level of the battery, And to an electronic safety integrated inspection equipment for an environmentally friendly automobile.

Hereinafter, the present invention will be described in detail with reference to the drawings so that those skilled in the art can easily carry out the present invention.

1 is a block diagram of an electrical safety comprehensive inspection apparatus for an environmentally friendly automobile according to the present invention.

1, the electric safety integrated inspection equipment for an environmentally friendly automobile according to the present invention is an integrated charger installed at an inspection station to be inspected for electric safety. The electric stability of the vehicle is measured by measuring the insulation resistance of the vehicle, A control unit 10 that can be connected to a management server provided in a portable terminal or an external computer network of a user to guide the result of the electrical continuity and the status of the battery, And a charger 20 provided inside or outside to charge the battery of the vehicle.

The control unit 10 includes a central processing unit 11, a memory unit 12, a data input / output unit 13, a communication unit 14, an insulation measurement unit 15 and a battery diagnosis unit 16 .

The central processing unit 11 determines safety stability, battery continuity, and the like by using information such as a voltage value, a current value, a resistance value, or a battery temperature, which is input from an external device and a battery automobile as a target, .

The memory unit 12 stores firmware and S / W for operation, information input from the outside, and a result value according to the processing of the central processing unit 11.

The data input / output unit 13 serves to output or receive information stored in the memory unit 12 and data as a processing result.

At this time, the data input / output unit 13 receives data through the inlet 21 and the ground terminal 22 provided in the charger 20. The data referred to herein includes a voltage value, a current value, a resistance value, Battery temperature and so on.

At this time, the inlet 21 receives the battery temperature and voltage value, the current value, and the resistance value of the vehicle through communication with the vehicle, in addition to the function of supplying power to the vehicle to charge the battery.

Here, receiving the data, such as the above-mentioned data, through the vehicle inlet 21 is a known technology in the related field, and a detailed description thereof will be omitted.

The communication unit 14 transmits information on charging result and electrical stability check result of the vehicle to a portable terminal of a user or transmits information to a management server provided in an external network.

Herein, the information related to the charging of the vehicle to the user's portable terminal in the communication unit 14 includes information such as the date and time, place, amount of charge, charging cost, .

In addition, in order to prevent an electric shock accident by detecting a leakage current of the vehicle, the electrical stability is checked through insulation resistance measurement to notify the user of safety acceptance, and also to inform the user of the measurement results of electrical continuity related to the battery life .

At this time, the sidewall of the electrical continuity informs not only of the abnormality of the battery but also whether the battery is replaced or expected to be replaced.

Here, the replacement period and the anticipated period are obtained by obtaining information on the number of times of charging and discharging of the battery provided in the vehicle, acquiring the operating time of the battery through the time difference between charging and discharging, After estimating the average value, the expected replacement time is predicted.

More specifically, assuming that the number of times of battery charging is n, and the average of the time difference between repeated charging and discharging is t1, the difference between the one-time charging time and the immediately next charging time is assumed as t2.

After determining the number of times the battery is charged as described above, the difference in the number of times of battery charge / discharge life obtained from the battery manufacturer is calculated to obtain the remaining charge number.

After calculating the remaining charge count as described above, the average of the time difference between the charging time and the discharging time is compared with the average time difference between the charging time and the charging time. The average value of the two hours is defined as the time between one charging and discharging of the vehicle, The battery life is predicted in the future by substituting into the charge count.

In this case, t1 and t2 are obtained as described above, and then the average of the two values is used to increase the reliability of the life prediction period.

This is because there is a time difference between charging and discharging according to the driving habits of the vehicle user, and the past driving pattern is different for each vehicle.

Here, the data on the charging / discharging time and the like of the vehicle can be grasped based on the data, which is the information provided by the user each time the vehicle is charged.

In addition, whether the vehicle battery is replaced or not is generally notified to the user when the charging efficiency of the battery, that is, the charging capacity of less than 80% of the capacity determined at full charge, is detected.

The insulation measurement unit 15 measures the insulation stability of an electric vehicle using information input from outside. More specifically, the insulation measurement unit 15 measures insulation stability, that is, electrical stability.

The insulation measurement unit 15 includes an input unit 151 for receiving a voltage and a current value of a direct current power supplied to an electric vehicle to be subjected to an operation and a stabilization unit for stabilizing a voltage of a direct current power input to the input unit 151. [ A converter 153 for converting the voltage of the DC power stabilized by the stabilizer 152 and the stabilization unit 152 into the voltage and current of the DC test power to be output through the output unit 154, (Not shown), which is further provided in the charger 20, or may transmit the voltage and current of the DC test power source to the communication unit 14 and may be output to a management server (not shown) provided in the user's portable terminal or external network (Not shown).

In addition, the battery diagnosis unit 16 measures the voltage value during discharging of a battery in which a plurality of batteries are connected in series and the discharge end voltage value at the end of discharging, and measures the abnormality of the battery and the performance of the battery The electrical continuity of the system is diagnosed.

The battery diagnosis unit 16 includes a voltage measurement unit 161 for measuring the voltage value of the battery through the inlet 21 and the ground terminal 22 connected to the electric vehicle to be inspected, A discharging unit 163 for outputting a current and an extended discharging unit 164 connected in parallel with the discharging unit 163 and capable of applying the automatic discharging or the manual discharging capacity when the discharging capacity is exceeded.

Here, the inlet 21 is coupled to a charging port of the vehicle, and the ground terminal 22 is coupled to a vehicle body of the electric vehicle where the insulation treatment is not performed.

At this time, the ground terminal 22 is not only wired to the charger 20 but also includes a wireless type grounding tongue 22a that is wirelessly connected.

This is because the ground terminal is grounded in a narrow space depending on the characteristics of the vehicle inspection site and the characteristics of the vehicle.

The temperature measuring unit 162 is further provided with a temperature measuring unit 162 for sensing the temperature of the battery. The temperature measuring unit 162 senses the discharging capacity according to the temperature of the battery, And 163, respectively.

At this time, the temperature measuring unit 162 may measure the temperature from a temperature sensor further provided at the ground terminal 22, or use the temperature information learned from the control apparatus of the vehicle through the inlet 21.

Here, the overall operation of the battery diagnostic unit 16 as described above corresponds to a known technology, and a detailed description thereof will be omitted.

The electric safety integrated inspection equipment for an environment friendly automobile having the above-described structure can be applied to various electric safety inspections of an environmentally friendly automobile including an electric vehicle, and the present invention can be completed through such a configuration.

10:
11: central processing unit 12: memory unit
13: Data I / O unit 14: Communication unit
15: Insulation measurement unit 16: Battery diagnosis unit
20: Charger
21: inlet 22: ground terminal
151: input unit 152:
153: conversion section 154: output section
161: voltage measuring unit 162: temperature measuring unit
163: discharge part 164: extended discharge part

Claims (5)

A control unit 10 for measuring the electrical continuity of the electric vehicle and checking and controlling the state of the battery, and a charger 20 for charging the battery of the electric vehicle and checking the state of the vehicle. In an automotive electrical safety comprehensive inspection equipment,
The control unit (10)
A central processing unit 11 for determining electrical stability and electrical continuity using a voltage value, a current value, a resistance value, and battery temperature information input from the electric vehicle,
A memory unit 12 for storing firmware and S / W for the operation of the inspection equipment, information input from the outside, and result values according to the processing of the central processing unit 11,
A data input / output unit 13 for outputting or receiving information stored in the memory unit 12,
A communication unit 14 for transmitting the result of checking the vehicle to a management server provided in the portable terminal or the external network,
A stabilization unit 152 for stabilizing a voltage of a direct current power input to the input unit 151, a stabilization unit 152 for stabilizing the voltage of the direct current power supplied to the input unit 151, A converter 153 for converting the voltage of the stabilized DC power source into the voltage and current of the DC test power source to be output through the output unit 154 and a voltage and current of the DC test power to be output from the converter 153 And an output unit 154 for transmitting the data to the display unit and the communication unit 14 and transmitting the data to the management server provided in the portable terminal or the external network of the user,
A voltage measuring unit 161 for measuring a battery voltage, a temperature measuring unit 162 for detecting a discharging capacity according to the temperature of the battery, and a discharging unit 163 for detecting a discharging capacity, And a battery diagnosis unit 16 for predicting an abnormality and a replacement time of the battery through an average value of the time difference between the charging / discharging times and the battery operation time through the time difference between charging and discharging, Electric safety integrated inspection equipment for environment friendly vehicles.
delete The method according to claim 1,
The charger 20 supplies power for charging the vehicle, receives an input 21 of the battery temperature, a voltage value, a current value, and a resistance value of the vehicle through the data input / output unit 13 through communication with the vehicle, And a ground terminal (22) directly grounded to the vehicle.
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