CN108896796A - Resistance simulation device and its implementation, insulation testing system and method - Google Patents
Resistance simulation device and its implementation, insulation testing system and method Download PDFInfo
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- CN108896796A CN108896796A CN201810321645.3A CN201810321645A CN108896796A CN 108896796 A CN108896796 A CN 108896796A CN 201810321645 A CN201810321645 A CN 201810321645A CN 108896796 A CN108896796 A CN 108896796A
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- 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
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- 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
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present embodiments relate to a kind of resistance simulation device and its implementation, insulation testing system and method, belong to Insulation test technical field.Wherein, which includes：Control module and resistive module, wherein resistive module includes：N resistance and n switch, and n resistance is sequentially connected in series, the numerical value of the resistance value of m-th of resistance is 2m‑1, resistor coupled in parallel one switch, wherein n is integer greater than 1, and m is the integer greater than 0, and m≤n；Wherein, control module is used for：According to the target resistance value received, the closing or opening of each switch is controlled, to obtain target resistance module corresponding with target resistance value.The technical solution provided through this embodiment improves the high efficiency and intelligence for obtaining resistance, has saved cost, and strong flexibility.
Description
Technical field
The present embodiments relate to Insulation test technical field more particularly to resistance simulation device and its implementation, insulation
Test macro and method.
Background technique
In the prior art, it in test process such as circuits, unavoidably needs to select resistance.And traditional choosing
The mode of selecting is：The resistance of A resistance value is needed, then directly selects resistance value for the resistance of A in preconfigured multiple resistance.However,
Resistance is selected in this manner, low efficiency, applicability is low.
Summary of the invention
In order to solve the above technical problems, the embodiment of the invention provides resistance simulation device and its implementation, Insulation test
System and method.
According to an aspect of an embodiment of the present invention, the embodiment of the invention provides a kind of resistance simulation device, the resistance
Simulator includes：Control module and resistive module, wherein
The resistive module includes：N resistance and n switch, and n resistance is sequentially connected in series, the resistance value of m-th of resistance
Numerical value is 2m-1, one switch of a resistor coupled in parallel, wherein n is integer greater than 1, and m is the integer greater than 0, and m
≤n；Wherein,
The control module is used for：According to the target resistance value received, the closing or opening of each switch is controlled, with
Just target resistance module corresponding with the target resistance value is obtained.
It provides through this embodiment：Resistive module is formed by n resistance and n switch, and n resistance is sequentially connected in series,
Each resistance switch in parallel, resistive module are connect with control module, when control module receives target resistance value, then
The technical solution for closing the switch or disconnecting in resistive module is controlled, realizes and is obtained and different mesh according to different target resistance values
Mark the technical effect of the corresponding target resistance module of resistance value, and improve the high efficiency and intelligence for obtaining resistance, saved at
This, strong flexibility.
Further, the input module includes：USB interface；
The communication module includes：Usb communication module.
Further, the central processing module includes：CPU；
The drive module includes：Switch driving circuit.
Further, the switch is relay switch.
Other side according to an embodiment of the present invention, the embodiment of the invention provides a kind of realization sides of resistance simulation device
Method, the method are based on resistance simulation device described in any of the above embodiments, the method includes：
Control module controls in resistive module according to the target resistance value received, the closing or opening of each switch, so as to
Obtain target resistance module corresponding with the target resistance value.
Other side according to an embodiment of the present invention, it is described the embodiment of the invention provides a kind of insulation testing system
System includes：Sequentially connected input equipment, resistance simulation device and equipment to be tested, wherein above-mentioned of the resistance simulation device
Resistance simulation device described in one.
Other side according to an embodiment of the present invention, it is described the embodiment of the invention provides a kind of insulation test method
Method is based on above system, the method includes：
Input equipment sends target resistance value to the control module of resistance simulation device；
The control module controls in resistive module according to the target resistance value, the closing or opening of each switch, so as to
Target resistance module corresponding with the target resistance value is obtained, and the target resistance value of target resistance module output is passed
Equipment to be tested is transported to, to realize the Insulation test to the equipment to be tested.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of resistance simulation device provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of resistive module provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of target resistance module provided in an embodiment of the present invention；
Fig. 4 is a kind of corresponding equivalent circuit diagram of target resistance module provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of control module provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of insulation testing system provided in an embodiment of the present invention；
Fig. 7 is a kind of flow diagram of insulation test method provided in an embodiment of the present invention.
Specific embodiment
In being described below, for illustration and not for limitation, propose such as specific system structure, interface, technology it
The detail of class, to understand thoroughly the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, omit to well-known system, circuit and
The detailed description of method, in case unnecessary details interferes description of the invention.
The embodiment of the invention provides a kind of resistance simulation device and its implementation, insulation testing system and method.
According to an aspect of an embodiment of the present invention, the embodiment of the invention provides a kind of resistance simulation device and its realization sides
Method.
First embodiment：
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of resistance simulation device provided in an embodiment of the present invention.
As shown in Figure 1, the resistance simulation device includes：Control module and resistive module, wherein
Resistive module includes：N resistance and n switch, and n resistance is sequentially connected in series, the numerical value of the resistance value of m-th of resistance
It is 2m-1, resistor coupled in parallel one switch, wherein n is integer greater than 1, and m is the integer greater than 0, and m≤n；Wherein,
Control module is used for：According to the target resistance value received, control the closing or opening of each switch, so as to obtain with
The corresponding target resistance module of target resistance value.
In the present embodiment, resistance simulation device is constituted by control module and resistive module.
Resistive module is made of multiple resistance and multiple switch, and the quantity of resistance and the quantity of switch are identical.Multiple resistance
It is sequentially connected in series, resistor coupled in parallel one switch.
When n be 20, that is, when having 20 resistance and 20 switches, then 20 resistance are connected, and to each resistance into
Line label is followed successively by：R0, R1 ... R19 carry out label to each switch, are followed successively by S0, S1 ... S19.Wherein, R0 and S0
Parallel connection, R1 are in parallel with S1 ... ..., and R19 is in parallel with S19.
It is understood that the resistance value of a resistance includes numerical part and unit portion.In the present embodiment, only to electricity
The numerical part of resistance is defined, and the resistance value of different unit portions can be matched according to different occasions.Such as：Some test scenes
In, need resistance to be used smaller, so, use Ω for the resistance of unit.And the resistance that part test scene needs
Resistance value is big, then uses K Ω for the resistance of unit.
In the present embodiment, the resistance value of R0 is 1 Ω, and the resistance value of R1 is 2 Ω ... ..., and the resistance value of R19 is 524288 Ω.Tool
Body is referring to Fig. 2, Fig. 2 is a kind of structural schematic diagram of resistive module provided in this embodiment.
Control module is connect with resistive module, and when resistive module receives target 192 Ω of resistance value, then control module controls
S6 and S7 is disconnected in resistive module, other to switch the state all remained closed, then obtains the target resistance module of 192 Ω.Specifically
Referring to Fig. 3, Fig. 3 is a kind of structural schematic diagram of target resistance module provided in this embodiment.And target resistance module is corresponding
Equivalent circuit diagram it is as shown in Figure 4.
Wherein, it switchs as relay switch.
And in the prior art, it when needing the resistance of certain resistance value, needs manually to be chosen, as by identification resistance
The mode of five colour circles.So the technical solution provided through this embodiment, realize according to different target resistance values obtain with not
The technical effect of corresponding target resistance module with target resistance value, and the high efficiency and intelligence for obtaining resistance are improved, it saves
Cost, strong flexibility.
Second embodiment：
The present embodiment is based on first embodiment, in the present embodiment, has carried out further to the structure of control module
Restriction.
Referring to Fig. 5, Fig. 5 is a kind of structural schematic diagram of control module provided in an embodiment of the present invention.
As shown in figure 5, control module includes：Sequentially connected communication module, central processing module and drive module,
In,
Communication module is used for：The target resistance value received is transmitted to central processing module；
Central processing module is used for：Determine driving signal according to target resistance value, wherein driving signal carry need be closed or
The information of the switch of disconnection；
Drive module is used for：It is switched accordingly according to driving signal closing or opening.
In the present embodiment, it is specifically communicated by communication module with external input device, to receive external input device
The target resistance value of input, and target resistance value is transmitted to central processing module.Wherein, central processing module includes processor CPU.
Processing module generates driving signal corresponding with target resistance value according to target resistance value, and driving signal is for indicating institute
There is which switch in switching to need to be closed, what which switch needed to disconnect, so, needs closure or disconnected is carried in driving signal
The information for the switch opened.Such as：
When target resistance value is 192 Ω, then 192 Ω of target resistance value is transmitted to central processing module by communication module, center
Processing module determines the information for carrying " disconnecting S6 and S7, other to close the switch ", and the signal for carrying the information is to drive letter
Number, which is transmitted to drive module by central processing module, is turned off, and other opened to S6 and S7 by drive module
Pass still remains closed.
Wherein, communication module includes：Usb communication module.
Wherein, drive module includes：Switch driving circuit.
3rd embodiment：
The present embodiment is based on second embodiment, in the present embodiment, has carried out further to central processing module
It limits, central processing module is specifically used for：Target resistance value is converted into binary-coded decimal, and driving signal is determined according to binary-coded decimal.
In the present embodiment, to make easily and fast to determine the switch for needing closing or opening, so, central processing mould
The target resistance value received is first converted to binary-coded decimal by block, then determines driving signal by binary-coded decimal.
Such as：When the target resistance value received is 1 Ω, then binary-coded decimal is converted to by 1：0001, then first is switched, i.e.,
S0 is disconnected, and remains closed other switches.
When the target resistance value received is 192 Ω, then binary-coded decimal is converted to by 192：11000000, then by the 7th and the 8th
A switch, i.e. S6 and S7 disconnect, and remain closed other switches.
That is, then disconnect q-th of switch when 1 in binary-coded decimal is in q reciprocal, and other switches remain closed.
Fourth embodiment：
The present embodiment is based on above-mentioned any embodiment, and in the present embodiment, which further includes：Input mould
Block and output module, wherein
Input module, control module connection, resistive module and output module are sequentially connected.
Wherein, input module includes：USB interface.
Other side according to an embodiment of the present invention, the embodiment of the invention provides a kind of realization sides of resistance simulation device
Method, this method include based on resistance simulation device, this method described in any of the above-described embodiment：
Control module controls in resistive module according to the target resistance value received, the closing or opening of each switch, so as to
Obtain target resistance module corresponding with target resistance value.
When control module includes：When communication module, central processing module and drive module, control module is according to receiving
Target resistance value controls in resistive module, the closing or opening of each switch, to obtain target resistance corresponding with target resistance value
Module specifically includes：
The target resistance value received is transmitted to central processing module by communication module；
Central processing module determines driving signal according to target resistance value, wherein driving signal carrying needs closing or opening
Switch information；
Drive module switchs accordingly according to driving signal closing or opening.
Optionally, central processing module determines driving signal according to target resistance value, specifically includes：
Target resistance value is converted to binary-coded decimal by central processing module, and determines driving signal according to binary-coded decimal.
Other side according to an embodiment of the present invention, the embodiment of the invention provides a kind of insulation testing systems.
Referring to Fig. 6, Fig. 6 is a kind of structural schematic diagram of insulation testing system provided in an embodiment of the present invention.
As shown in fig. 6, the system includes：Sequentially connected input equipment, resistance simulation device and equipment to be tested, wherein
Resistance simulation device is resistance simulation device described in any of the above-described embodiment.
Optionally, input equipment is operation display terminal；
Equipment to be tested is battery management system BMS.
Other side according to an embodiment of the present invention, the embodiment of the invention provides a kind of insulation test method, the party
Method above system.
Referring to Fig. 7, Fig. 7 is a kind of flow diagram of insulation test method provided in an embodiment of the present invention.
As shown in fig. 7, the method includes：
S100：Input equipment sends target resistance value to the control module of resistance simulation device；
S200：Control module controls in resistive module according to target resistance value, the closing or opening of each switch, to obtain
Target resistance module corresponding with target resistance value, and the target resistance value that target resistance module exports is transmitted to equipment to be tested,
To realize the Insulation test for treating test equipment.
In the prior art, when treating test equipment progress Insulation test, when such as carrying out Insulation test to BMS, people is needed
Work chooses several fixed resistance values, manual wiring convert resistance resistance value.So so that testing efficiency is low, and resistance when Insulation test
It is very small to be worth coverage area, it is difficult to quickly and effectively realize Insulation test.And since there are high pressures for insulation test circuit, in hand
When dynamic switching resistance value wiring, there is the risk for endangering tester's personal safety.
And provide through this embodiment：Target resistance value, control are sent from input equipment to the control module of resistance simulation device
Molding root tuber controls in resistive module according to target resistance value, the closing or opening of each switch, to obtain corresponding with target resistance value
Target resistance module obtain the target resistance value that test needs so that equipment to be tested is connect with target resistance module, thus real
Now rapidly and efficiently and safety Insulation test technical effect.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, structure
Or feature is included at least one embodiment or example of the invention.In the present specification, to the schematic of above-mentioned term
Statement need not be directed to identical embodiment or example.Moreover, specific features, structure or the feature of description can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
It is apparent to those skilled in the art that for convenience of description and succinctly, the mould of foregoing description
The specific work process of block, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system and method can pass through it
Its mode is realized.For example, system embodiment described above is only schematical, for example, the division of module, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple module or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
It should also be understood that magnitude of the sequence numbers of the above procedures are not meant to execute sequence in various embodiments of the present invention
It is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Journey constitutes any restriction.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of resistance simulation device, which is characterized in that the resistance simulation device includes：Control module and resistive module, wherein
The resistive module includes：N resistance and n switch, and n resistance is sequentially connected in series, the numerical value of the resistance value of m-th of resistance
It is 2m-1, one switch of a resistor coupled in parallel, wherein n is integer greater than 1, and m is the integer greater than 0, and m≤n；
Wherein,
The control module is used for：According to the target resistance value received, the closing or opening of each switch is controlled, so as to
To target resistance module corresponding with the target resistance value.
2. a kind of resistance simulation device according to claim 1, which is characterized in that the control module includes：It is sequentially connected
Communication module, central processing module and drive module, wherein
The communication module is used for：The target resistance value received is transmitted to the central processing module；
The central processing module is used for：Driving signal is determined according to the target resistance value, wherein the driving signal, which carries, to be needed
Want the information of the switch of closing or opening；
The drive module is used for：It is switched accordingly according to the driving signal closing or opening.
3. a kind of resistance simulation device according to claim 2, which is characterized in that
The central processing module is specifically used for：The target resistance value is converted into binary-coded decimal, and institute is determined according to the binary-coded decimal
State driving signal.
4. a kind of resistance simulation device according to any one of claim 1-3, which is characterized in that the resistance simulation device is also
Including：Input module and output module, wherein
The input module, control module connection, the resistive module and the output module are sequentially connected.
5. a kind of implementation method of resistance simulation device, which is characterized in that the method is based on described in any one of claim 1-4
Resistance simulation device, the method includes：
Control module controls in resistive module according to the target resistance value received, the closing or opening of each switch, to obtain
Target resistance module corresponding with the target resistance value.
6. a kind of implementation method of resistance simulation device according to claim 5, which is characterized in that when the control module packet
It includes：When communication module, central processing module and drive module, the control module controls resistance according to the target resistance value received
In module, the closing or opening of each switch is specific to wrap to obtain target resistance module corresponding with the target resistance value
It includes：
The target resistance value received is transmitted to the central processing module by the communication module；
The central processing module determines driving signal according to the target resistance value, wherein the driving signal, which carries, to need to close
The information for the switch for closing or disconnecting；
The drive module switchs accordingly according to the driving signal closing or opening.
7. a kind of implementation method of resistance simulation device according to claim 6, which is characterized in that the central processing module
Driving signal is determined according to the target resistance value, is specifically included：
The target resistance value is converted to binary-coded decimal by the central processing module, and determines that the driving is believed according to the binary-coded decimal
Number.
8. a kind of insulation testing system, which is characterized in that the system comprises：Sequentially connected input equipment, resistance simulation device
With equipment to be tested, wherein the resistance simulation device is resistance simulation device of any of claims 1-7.
9. a kind of insulation testing system according to claim 8, which is characterized in that
The input equipment is operation display terminal；
The equipment to be tested is battery management system BMS.
10. a kind of insulation test method, which is characterized in that the method is based on system described in claim 8 or 9, the side
Method includes：
Input equipment sends target resistance value to the control module of resistance simulation device；
The control module controls in resistive module according to the target resistance value, the closing or opening of each switch, to obtain
Target resistance module corresponding with the target resistance value, and the target resistance value that the target resistance module exports is transmitted to
Equipment to be tested, to realize the Insulation test to the equipment to be tested.
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| CN201810321645.3A CN108896796A (en) | 2018-04-11 | 2018-04-11 | Resistance simulation device and its implementation, insulation testing system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113110368A (en) * | 2021-02-26 | 2021-07-13 | 苏州海格新能源汽车电控***科技有限公司 | Intelligent integrated motor controller test method and system |
| CN114089212A (en) * | 2021-11-19 | 2022-02-25 | 广东福德电子有限公司 | Load with variable voltage and constant and adjustable current |
| WO2022222003A1 (en) * | 2021-04-19 | 2022-10-27 | 深圳市大疆创新科技有限公司 | Connecting apparatus, movable platform, control method, and storage medium |
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