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
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- module
- resistance
- resistance value
- target resistance
- target
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 238000004088 simulation Methods 0.000 title abstract 2
- 238000004891 communication Methods 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- 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 embodiment of the invention relates to the technical field of insulation test, in particular to a resistance simulator, an implementation method thereof, an insulation test system and an insulation test method.
Background
In the prior art, the need of selecting resistors is avoided in the process of testing circuits and the like. And the traditional selection mode is as follows: the resistor with the resistance value A is directly selected from a plurality of pre-configured resistors. However, selecting the resistance in this way is inefficient and has poor applicability.
Disclosure of Invention
In order to solve the technical problem, embodiments of the present invention provide a resistance simulator, an implementation method thereof, an insulation test system and an insulation test method.
According to an aspect of an embodiment of the present invention, there is provided a resistance simulator including: a control module and a resistance module, wherein,
the resistance module includes: n resistors and n switches, the n resistors being connected in series in sequenceThe value of the resistance of the m resistors is 2m-1One of the resistors is connected with one of the switches in parallel, wherein n is an integer larger than 1, m is an integer larger than 0, and m is less than or equal to n; wherein,
the control module is used for: and controlling the on or off of each switch according to the received target resistance value so as to obtain a target resistance module corresponding to the target resistance value.
The embodiment provides that: the resistance module is composed of n resistors and n switches, the n resistors are sequentially connected in series, each resistor is connected with one switch in parallel, the resistance module is connected with the control module, when the control module receives a target resistance value, the technical scheme of switching on or switching off the switches in the resistance module is controlled, the technical effect of obtaining the target resistance modules corresponding to different target resistance values according to different target resistance values is achieved, the efficiency and the intelligence of obtaining the resistors are improved, the cost is saved, and the flexibility is high.
Further, the input module includes: a USB interface;
the communication module includes: and a USB communication module.
Further, the central processing module includes: a CPU;
the driving module includes: a switch driving circuit.
Further, the switch is a relay switch.
According to another aspect of the embodiments of the present invention, an embodiment of the present invention provides a method for implementing a resistance simulator, where the method is based on any one of the above resistance simulators, and the method includes:
and the control module controls the on or off of each switch in the resistance module according to the received target resistance value so as to obtain the target resistance module corresponding to the target resistance value.
According to another aspect of an embodiment of the present invention, there is provided an insulation test system including: the device comprises input equipment, a resistance simulator and equipment to be tested which are connected in sequence, wherein the resistance simulator is any one of the resistance simulators.
According to another aspect of the embodiments of the present invention, there is provided an insulation testing method based on the above system, the method including:
the input equipment sends a target resistance value to a control module of the resistance simulator;
the control module controls the on or off of each switch in the resistance module according to the target resistance value so as to obtain a target resistance module corresponding to the target resistance value, and transmits the target resistance value output by the target resistance module to a device to be tested so as to realize the insulation test of the device to be tested.
Drawings
Fig. 1 is a schematic structural diagram of a resistance simulator according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a resistor module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a target resistance module according to an embodiment of the present invention;
fig. 4 is an equivalent circuit diagram corresponding to a target resistance module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a control module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an insulation testing system according to an embodiment of the present invention;
fig. 7 is a schematic flowchart of an insulation testing method according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, interfaces, techniques, etc. in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
The embodiment of the invention provides a resistance simulator, an implementation method thereof, an insulation test system and an insulation test method.
According to an aspect of the embodiments of the present invention, an embodiment of the present invention provides a resistance simulator and an implementation method thereof.
The first embodiment:
referring to fig. 1, fig. 1 is a schematic structural diagram of a resistance simulator according to an embodiment of the present invention.
As shown in fig. 1, the resistance simulator includes: a control module and a resistance module, wherein,
the resistance module includes: n resistors and n switches, wherein the n resistors are sequentially connected in series, and the value of the resistance value of the mth resistor is 2m-1A resistor is connected with a switch in parallel, wherein n is an integer larger than 1, m is an integer larger than 0, and m is less than or equal to n; wherein,
the control module is used for: and controlling the on or off of each switch according to the received target resistance value so as to obtain a target resistance module corresponding to the target resistance value.
In the present embodiment, the resistance simulator is constituted by the control module and the resistance module.
The resistance module consists of a plurality of resistors and a plurality of switches, and the number of the resistors is the same as that of the switches. The resistors are sequentially connected in series, and one resistor is connected with one switch in parallel.
When n is 20, i.e. there are 20 resistors and 20 switches, then 20 resistors are connected in series, and each resistor is labeled, which in turn is: r0, R1 … … R19, for each switch, are numbered S0, S1 … … S19. Wherein R0 is connected in parallel with S0, R1 is connected in parallel with S1, … …, and R19 is connected in parallel with S19.
It is understood that the resistance value of one resistor includes a numerical portion and a unit portion. In this embodiment, only the value part of the resistor is limited, and the resistance values of different unit parts can be matched according to different occasions. Such as: in some test scenes, the resistance value of the resistor to be used is relatively small, so that the resistor with the unit of omega is adopted. And if the resistance value required by part of test scenes is large, the resistance with the unit of K omega is adopted.
In the present embodiment, the resistance value of R0 is 1 Ω, the resistance value of R1 is 2 Ω, … …, and the resistance value of R19 is 524288 Ω. Referring to fig. 2, fig. 2 is a schematic structural diagram of a resistor module according to the present embodiment.
And the control module is connected with the resistance module, when the resistance module receives the target resistance value of 192 omega, the control module controls S6 and S7 in the resistance module to be disconnected, and other switches are kept in a closed state, so that the target resistance module of 192 omega is obtained. Referring to fig. 3, fig. 3 is a schematic structural diagram of a target resistance module according to the present embodiment. And the equivalent circuit diagram corresponding to the target resistance module is shown in fig. 4.
Wherein the switch is a relay switch.
In the prior art, when a resistor with a certain resistance value is needed, manual selection is needed, for example, by identifying a five-color ring of the resistor. Therefore, through the technical scheme provided by the embodiment, the technical effect of obtaining the target resistor modules corresponding to different target resistance values according to different target resistance values is achieved, the efficiency and the intelligence of obtaining the resistors are improved, the cost is saved, and the flexibility is strong.
Second embodiment:
the present embodiment is based on the first embodiment, and in the present embodiment, the structure of the control module is further defined.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a control module according to an embodiment of the present invention.
As shown in fig. 5, the control module includes: a communication module, a central processing module and a driving module which are connected in sequence, wherein,
the communication module is used for: the received target resistance value is transmitted to the central processing module;
the central processing module is used for: determining a driving signal according to the target resistance value, wherein the driving signal carries information of a switch needing to be closed or opened;
the drive module is used for: and closing or opening the corresponding switch according to the driving signal.
In this embodiment, the communication module is specifically configured to communicate with the external input device to receive the target resistance value input by the external input device, and transmit the target resistance value to the central processing module. Wherein the central processing module comprises a processor CPU.
The processing module generates a driving signal corresponding to the target resistance value according to the target resistance value, wherein the driving signal is used for indicating which switches in all the switches need to be closed and which switches need to be opened, so that the driving signal carries information of the switches needing to be closed or opened. Such as:
when the target resistance value is 192 Ω, the communication module transmits the target resistance value 192 Ω to the central processing module, the central processing module determines that information of "open S6 and S7 and other switches are closed" is carried, and a signal carrying the information is a driving signal, the central processing module transmits the driving signal to the driving module, and the driving module opens S6 and S7, while other switches are still closed.
Wherein, communication module includes: and a USB communication module.
Wherein, the drive module includes: a switch driving circuit.
The third embodiment:
based on the second embodiment, in this embodiment, the central processing module is further defined, and the central processing module is specifically configured to: and converting the target resistance value into a BCD code, and determining a driving signal according to the BCD code.
In this embodiment, in order to conveniently and quickly determine the switch that needs to be turned on or off, the central processing module converts the received target resistance value into the BCD code, and then determines the driving signal through the BCD code.
Such as: when the received target resistance value is 1 Ω, 1 is converted into BCD code: 0001, the first switch, S0, is opened while the other switches remain closed.
When the received target resistance value is 192 Ω, 192 is converted into BCD code: 11000000, the 7 th and 8 th switches, i.e., S6 and S7, are opened while the other switches are kept closed.
That is, when a 1 in the BCD code is at the q-last bit, then the q-th switch is opened while the other switches remain closed.
The fourth embodiment:
based on any of the above embodiments, in this embodiment, the resistance simulator further includes: an input module and an output module, wherein,
the input module, the control module connection, the resistance module and the output module are connected in sequence.
Wherein, the input module includes: and a USB interface.
According to another aspect of the embodiments of the present invention, an embodiment of the present invention provides a method for implementing a resistance simulator, where the method is based on the resistance simulator described in any of the above embodiments, and the method includes:
and the control module controls the on or off of each switch in the resistance module according to the received target resistance value so as to obtain the target resistance module corresponding to the target resistance value.
When the control module comprises: during communication module, central processing module and drive module, control module is according to the received target resistance control resistance module, the closure or the disconnection of every switch to obtain the target resistance module that corresponds with the target resistance, specifically include:
the communication module transmits the received target resistance value to the central processing module;
the central processing module determines a driving signal according to the target resistance value, wherein the driving signal carries information of a switch needing to be closed or opened;
the driving module closes or opens the corresponding switch according to the driving signal.
Optionally, the determining, by the central processing module, the driving signal according to the target resistance value specifically includes:
the central processing module converts the target resistance value into a BCD code and determines a driving signal according to the BCD code.
According to another aspect of an embodiment of the present invention, there is provided an insulation test system.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an insulation testing system according to an embodiment of the present invention.
As shown in fig. 6, the system includes: the device comprises input equipment, a resistance simulator and equipment to be tested which are connected in sequence, wherein the resistance simulator is the resistance simulator in any embodiment.
Optionally, the input device is an operation display terminal;
the device to be tested is a battery management system BMS.
According to another aspect of the embodiments of the present invention, there is provided an insulation testing method, the method and the system.
Referring to fig. 7, fig. 7 is a schematic flowchart illustrating an insulation testing method according to an embodiment of the present invention.
As shown in fig. 7, the method includes:
s100: the input equipment sends a target resistance value to a control module of the resistance simulator;
s200: and the control module controls the on or off of each switch in the resistance module according to the target resistance value so as to obtain a target resistance module corresponding to the target resistance value, and transmits the target resistance value output by the target resistance module to the equipment to be tested so as to realize the insulation test of the equipment to be tested.
In the prior art, when carrying out insulation test to the test equipment that awaits measuring, if when carrying out insulation test to BMS, need the manual work to select several kinds of fixed resistances, manual wiring switching resistance. Therefore, the testing efficiency is low, the resistance value coverage range in the insulation test is very small, and the insulation test is difficult to realize quickly and effectively. And, because there is high pressure in the insulation test circuit, when manual switching resistance wiring, have the risk of endangering tester personal safety.
But provided by the present embodiment: the input device sends a target resistance value to the control module of the resistance simulator, the control module controls the on or off of each switch in the resistance module according to the target resistance value, so that the target resistance module corresponding to the target resistance value is obtained, the device to be tested is connected with the target resistance module, the target resistance value required by testing is obtained, and the technical effects of quick, efficient and safe insulation testing are achieved.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the modules described above may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system and method may be implemented in other ways. For example, the above-described system embodiments are merely illustrative, and for example, a division of modules is merely a logical division, and an actual implementation may have another division, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented.
It should also be understood that, in the embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A resistance simulator, comprising: a control module and a resistance module, wherein,
the resistance module includes: n resistors and n switches, wherein the n resistors are sequentially connected in series, and the value of the resistance value of the mth resistor is 2m-1One of the resistors is connected with one of the switches in parallel, wherein n is an integer larger than 1, m is an integer larger than 0, and m is less than or equal to n; wherein,
the control module is used for: and controlling the on or off of each switch according to the received target resistance value so as to obtain a target resistance module corresponding to the target resistance value.
2. A resistance simulator according to claim 1, in which the control module comprises: a communication module, a central processing module and a driving module which are connected in sequence, wherein,
the communication module is configured to: the received target resistance value is transmitted to the central processing module;
the central processing module is used for: determining a driving signal according to the target resistance value, wherein the driving signal carries information of a switch needing to be closed or opened;
the drive module is used for: and closing or opening the corresponding switch according to the driving signal.
3. A resistance simulator according to claim 2,
the central processing module is specifically configured to: and converting the target resistance value into a BCD code, and determining the driving signal according to the BCD code.
4. A resistance simulator according to any one of claims 1 to 3, further comprising: an input module and an output module, wherein,
the input module, the control module, the resistance module and the output module are connected in sequence.
5. A method for implementing a resistance simulator, the method being based on the resistance simulator of any one of claims 1-4, the method comprising:
and the control module controls the on or off of each switch in the resistance module according to the received target resistance value so as to obtain the target resistance module corresponding to the target resistance value.
6. The method of claim 5, wherein when the control module comprises: when the communication module, the central processing module and the driving module are used, the control module controls the on or off of each switch in the resistance module according to the received target resistance value so as to obtain the target resistance module corresponding to the target resistance value, and the method specifically comprises the following steps:
the communication module transmits the received target resistance value to the central processing module;
the central processing module determines a driving signal according to the target resistance value, wherein the driving signal carries information of a switch needing to be closed or opened;
and the driving module closes or opens the corresponding switch according to the driving signal.
7. The method according to claim 6, wherein the determining, by the central processing module, the driving signal according to the target resistance value specifically includes:
and the central processing module converts the target resistance value into a BCD code and determines the driving signal according to the BCD code.
8. An insulation testing system, the system comprising: the device comprises an input device, a resistance simulator and a device to be tested which are connected in sequence, wherein the resistance simulator is the resistance simulator of any one of claims 1-7.
9. The insulation testing system of claim 8,
the input equipment is an operation display terminal;
the device to be tested is a battery management system BMS.
10. An insulation testing method, characterized in that it is based on the system of claim 8 or 9, the method comprising:
the input equipment sends a target resistance value to a control module of the resistance simulator;
the control module controls the on or off of each switch in the resistance module according to the target resistance value so as to obtain a target resistance module corresponding to the target resistance value, and transmits the target resistance value output by the target resistance module to a device to be tested so as to realize the insulation test of the device to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321645.3A CN108896796A (en) | 2018-04-11 | 2018-04-11 | Resistance simulation device and its implementation, insulation testing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321645.3A CN108896796A (en) | 2018-04-11 | 2018-04-11 | Resistance simulation device and its implementation, insulation testing system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108896796A true CN108896796A (en) | 2018-11-27 |
Family
ID=64342172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810321645.3A Pending CN108896796A (en) | 2018-04-11 | 2018-04-11 | Resistance simulation device and its implementation, insulation testing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108896796A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929605A (en) * | 2020-09-09 | 2020-11-13 | 深圳原能电器有限公司 | Selectable load resistance value circuit, connecting circuit and multifunctional loader using same |
| CN113110368A (en) * | 2021-02-26 | 2021-07-13 | 苏州海格新能源汽车电控系统科技有限公司 | 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5389950A (en) * | 1992-07-09 | 1995-02-14 | Thurstmaster, Inc. | Video game/flight simulator controller with single analog input to multiple discrete inputs |
| CN203191538U (en) * | 2013-04-12 | 2013-09-11 | 昆明理工大学 | Binary Resistor CNC Resistor Box |
| CN205450237U (en) * | 2015-12-22 | 2016-08-10 | 北京科易动力科技有限公司 | Component module, resistance coupling electric capacity simulator and resistance coupling electric capacity module |
| CN106908748A (en) * | 2015-12-22 | 2017-06-30 | 北京科易动力科技有限公司 | A kind of program-controlled resistor coupled capacitor simulator |
| CN107481575A (en) * | 2017-08-06 | 2017-12-15 | 深圳市中智仿真科技有限公司 | A kind of driving simulator instrument board driver circuit system |
-
2018
- 2018-04-11 CN CN201810321645.3A patent/CN108896796A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5389950A (en) * | 1992-07-09 | 1995-02-14 | Thurstmaster, Inc. | Video game/flight simulator controller with single analog input to multiple discrete inputs |
| CN203191538U (en) * | 2013-04-12 | 2013-09-11 | 昆明理工大学 | Binary Resistor CNC Resistor Box |
| CN205450237U (en) * | 2015-12-22 | 2016-08-10 | 北京科易动力科技有限公司 | Component module, resistance coupling electric capacity simulator and resistance coupling electric capacity module |
| CN106908748A (en) * | 2015-12-22 | 2017-06-30 | 北京科易动力科技有限公司 | A kind of program-controlled resistor coupled capacitor simulator |
| CN107481575A (en) * | 2017-08-06 | 2017-12-15 | 深圳市中智仿真科技有限公司 | A kind of driving simulator instrument board driver circuit system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929605A (en) * | 2020-09-09 | 2020-11-13 | 深圳原能电器有限公司 | Selectable load resistance value circuit, connecting circuit and multifunctional loader using same |
| CN113110368A (en) * | 2021-02-26 | 2021-07-13 | 苏州海格新能源汽车电控系统科技有限公司 | Intelligent integrated motor controller test method and system |
| 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 |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108896796A (en) | Resistance simulation device and its implementation, insulation testing system and method | |
| EP3671239A1 (en) | Device and method for diagnosing positive electrode contactor of battery pack | |
| US20120119765A1 (en) | Battery simulation system having fault simulation | |
| CN102566567B (en) | Electronic control unit (ECU) sensor signal fault injection device for engine hardware in-the-loop simulation (HILS) system | |
| CN107959608A (en) | CAN bus terminal resistance matching method and device | |
| CN104459566A (en) | Secondary electric power supply testing system and method | |
| CN104423377A (en) | Systems or methods for testing performance of isolation monitor | |
| CN106093631A (en) | A kind of Testing System for Electronic Equipment possessing location recognition and IP establishing method | |
| CN104482953A (en) | Automatic calibrating method, control device and system of automatic detecting equipment | |
| CN106053975B (en) | Isolation testing of vehicle high voltage systems | |
| CN104834591A (en) | Method and system for testing AUTOSAR software component | |
| US4392107A (en) | Switching equipment for testing apparatus | |
| CN113746582B (en) | Deep space exploration circulator-lander interface test system | |
| CN111025046B (en) | Test system, method for controlling matrix switch and storage medium | |
| CN206322016U (en) | A kind of programmable resistance circuit and board | |
| KR20220128960A (en) | Integrated measurement system for static and dynamic characterization of devices under test | |
| CN115856589A (en) | Test circuit and test method for NFC chip power tube transmitting circuit | |
| CN218974521U (en) | Test circuit of relay diagnosis chip | |
| CN108121224A (en) | For the device and method of the voltage adjusting control of integrated circuit | |
| EP4174501B1 (en) | Testing device, method, and software for testing an automotive controller | |
| CN113740783B (en) | Testing system for wired measurement and control interface of deep space exploration circulator against land device | |
| CN110133481B (en) | Test method and test circuit for IO bridge short circuit | |
| KR20200063552A (en) | Solar Array Simulator And Self-Validation Method Thereof | |
| CN109873472B (en) | Method and device for discharging storage battery, storage medium and equipment thereof | |
| US5821640A (en) | Electrical switching assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |
|
| RJ01 | Rejection of invention patent application after publication |