CN205229322U - High voltage DC heavy current open circuit trouble developments simulation electron device - Google Patents
High voltage DC heavy current open circuit trouble developments simulation electron device Download PDFInfo
- Publication number
- CN205229322U CN205229322U CN201520887856.5U CN201520887856U CN205229322U CN 205229322 U CN205229322 U CN 205229322U CN 201520887856 U CN201520887856 U CN 201520887856U CN 205229322 U CN205229322 U CN 205229322U
- Authority
- CN
- China
- Prior art keywords
- current
- current sensor
- circuit
- control module
- high voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides a high voltage DC heavy current open circuit trouble developments simulation electron device, press bypass parts, control module, a current sensor and the 2nd current sensor including high -voltage direct -current relay, pincers, wherein, a current sensor and the 2nd current sensor are connected with control module, and a current sensor and the 2nd current sensor, high -voltage direct -current relay establish ties in proper order, and high -voltage direct -current relay establishes ties in dc circuit through its first link and second link after pressing bypass parts parallel connection with pincers, and control module presses bypass parts looks current sensor 1 with high -voltage direct -current relay, pincers. The utility model discloses the trouble of opening a way that can dynamic simulation high voltage DC heavy current circuit to can can't harm nimble simulation repeatedly.
Description
Technical field
The utility model relates to a kind of electronic installation, particularly, relates to a kind of high direct voltage high-current circuit open fault dynamic similation electronic installation.
Background technology
High direct voltage high-current circuit is widely used, as the drive motor feed circuit and various electric power direct current transmission circuit etc. of electric automobile.High direct voltage high-current circuit, if there is open fault, not only will affect the safety in operation of consumer, and also will cause the damage of consumer due to the existence of inductive load various in circuit and circuit distributed inductance etc.Therefore, using electricity system performance when researching DC high-voltage great-current open circuit fault occurs is very important.Its prerequisite needs to realize high direct voltage high-current circuit open fault dynamic similation exactly, but there is no similar research report at present.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of high direct voltage high-current circuit open fault dynamic similation electronic installation, and it can the open fault of dynamic similation high direct voltage high-current circuit, and can can't harm and simulate flexibly repeatedly.
According to an aspect of the present utility model, a kind of high direct voltage high-current circuit open fault dynamic similation electronic installation is provided, it is characterized in that, comprise high voltage direct current relay, pincers pressure bypass member, control module, the first current sensor and the second current sensor; Wherein, first current sensor is all connected with control module with the second current sensor, first current sensor and the second current sensor, high voltage direct current relay are connected successively, high voltage direct current relay with pincers press bypass member to be connected in parallel after be connected in DC circuit by its first link and the second link, control module with high voltage direct current relay, clamp and press bypass member circuitry phase to be connected.
Preferably, described control module is also simulated with an open fault and is arranged device and be connected.
Compared with prior art, the utility model has following beneficial effect: the utility model provides a kind of high direct voltage high-current circuit open fault dynamic similation electronic installation, occur how the impact such as this circuit and the consumer related to, system and research are predicted whether this kind of circuit open fault etc. can occur and provide important technical support for studying this kind of open circuit fault, effectively fill up the blank of prior art, can the open fault of dynamic similation high direct voltage high-current circuit at any time, and can can't harm and simulate flexibly repeatedly.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the theory diagram implementing the utility model high direct voltage high-current circuit open fault dynamic similation electronic installation.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
As shown in Figure 1, the utility model high direct voltage high-current circuit open fault dynamic similation electronic installation comprises high voltage direct current relay 1, pincers pressure bypass member 2, control module 3, first current sensor 4 and the second current sensor 5; wherein, first current sensor 4 is all connected with control module 3 with the second current sensor 5, first current sensor 4 and the second current sensor 5, high voltage direct current relay 1 is connected successively, be connected in DC circuit by its first link 6 and the second link 7 after high voltage direct current relay 1 and pincers press bypass member 2 to be connected in parallel, high voltage direct current relay 1 is for the open fault of analog DC high-voltage great-current circuit and normal connected state, pincers pressure bypass member 2 in the process that high voltage direct current relay 1 is disconnected at simulation open fault for high voltage direct current relay 1 provides a shunting in short-term and automatic by the voltage drop clamper of the input and output side of high voltage direct current relay 1 in the scope that the contact of high voltage direct current relay 1 can be avoided to damage to avoid the damage to high voltage direct current relay 1, control module 3 and high voltage direct current relay 1, pincers pressure bypass member 2 circuitry phase connects the dynamic similation realizing open fault with the break-make controlling high voltage direct current relay 1 and pincers pressure bypass member 2, first current sensor 4 is for measuring the electric current of high direct voltage high-current circuit, second current sensor 5 is for measuring the electric current by high voltage direct current relay, the voltage of the current signal that control module 3 exports the first current sensor 4 and the second current sensor 5 and high direct voltage high-current circuit is sampled.
For conduction voltage drop is less than, described high voltage direct current relay long-life band carries the suitable bidirectional power electronic switch that disconnection allows voltage drop, load capacity meets described DC high-voltage circuit requirement to described pincers pressure bypass member 2, the bidirectional power electronic switch that the first Intelligent Power Module 201 being all integrated with fly-wheel diode as two inside adopts common emitter differential concatenation to be connected with the second Intelligent Power Module 202 or common collector differential concatenation connects, and carried out the drived control of synchronous break-make by its command synchronization driving circuit by described control module.
Described control module 3 carries out synchronized sampling to described first current sensor 4 and the output signal of the second current sensor 5, each point voltage of high direct voltage high-current circuit by its synchronized sampling circuit 301, and sample and be cached in high speed memory circuit 305 from for automatic acceleration simulation open fault and instruction disconnection described pincers pressure bypass member 2 and high voltage direct current relay 1, to ensure the reliability of the analysis result based on the high direct voltage high-current circuit operational factor before and after these signal data open-circuit direct fault location.
Described control module 3 has the defencive function that powers on to described high voltage direct current relay 1: after control module 3 powers on; pincers pressure bypass member 2 described in first instruction is connected and after judging that it connects according to the output signal of the first current sensor 4, then described in instruction, high voltage direct current relay 1 is connected.In the process, because the conduction voltage drop of described pincers pressure bypass member 2 is less than the pressure drop causing the contact of high voltage direct current relay 1 to damage, pincers pressure bypass member 2 also described high voltage direct current relay 1 connect process to high direct voltage high-current circuit in the bypass of electric current, therefore no matter described in described high voltage direct current relay 1 connection process, the electric current of high direct voltage high-current circuit has much, voltage how highly to have, and also can not cause the damage of described high voltage direct current relay 1.
Described control module 3 has open fault analogue enlargement function and the lower electric protection function to described high voltage direct current relay 1: under simulation open fault or control module 3 need during electricity, first judge whether described pincers pressure bypass member 2 is in on-state, if it is in off-state, its connection of instruction, and then high voltage direct current relay 1 described in instruction disconnects and after judging that it disconnects according to the output signal of the second current sensor 5, instruction makes described pincers press bypass member 2 to be in off-state again, and the output signal of described first current sensor 4 of also sampling in the process and the voltage of high direct voltage high-current circuit (comprise the pressure drop at described high voltage direct current relay 1 two ends, voltage between its two ends and direct supply between negative or positive electrode).In the process, because the conduction voltage drop of described pincers pressure bypass member 2 is less than the pressure drop causing the contact of high voltage direct current relay 1 to damage, pincers pressure bypass member 2 disconnects process at described high voltage direct current relay 1 and automatically carries out bypass to the electric current by described high voltage direct current relay 1, therefore no matter described in described high voltage direct current relay 1 disconnection process, the electric current of high direct voltage high-current circuit has much, voltage how highly to have, and also can not cause the damage of described high voltage direct current relay.Thus, realize the dynamic similation of open-circuit fault, and can can't harm and simulate flexibly repeatedly.
Also receive by its MCU microprocessor 303, CAN communication interface 304, store the open fault information that need simulate in described control module 3, also the signals such as the electric current of sampling, voltage are sent to miscellaneous equipment.
Described control module 3 is also simulated with an open fault and is arranged device 8 and be connected, and the simulation of this open fault arranges device 8 for setting the open fault that need simulate.
Present embodiments provide a kind of high direct voltage high-current circuit open fault dynamic similation electronic installation, occur how the impact such as this circuit and the consumer related to, system and research are predicted whether this kind of circuit open fault etc. can occur and provide important technical support for studying this kind of open circuit fault, effectively fill up the blank of prior art, can the open fault of dynamic similation high direct voltage high-current circuit at any time, and can can't harm and simulate flexibly repeatedly.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (2)
1. a high direct voltage high-current circuit open fault dynamic similation electronic installation, is characterized in that, comprises high voltage direct current relay, pincers pressure bypass member, control module, the first current sensor and the second current sensor; Wherein, first current sensor is all connected with control module with the second current sensor, first current sensor and the second current sensor, high voltage direct current relay are connected successively, high voltage direct current relay with pincers press bypass member to be connected in parallel after be connected in DC circuit by its first link and the second link, control module with high voltage direct current relay, clamp and press bypass member circuitry phase to be connected.
2. high direct voltage high-current circuit open fault dynamic similation electronic installation according to claim 1, is characterized in that, described control module is also simulated with an open fault and arranged device and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520887856.5U CN205229322U (en) | 2015-11-09 | 2015-11-09 | High voltage DC heavy current open circuit trouble developments simulation electron device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520887856.5U CN205229322U (en) | 2015-11-09 | 2015-11-09 | High voltage DC heavy current open circuit trouble developments simulation electron device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205229322U true CN205229322U (en) | 2016-05-11 |
Family
ID=55904379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520887856.5U Expired - Fee Related CN205229322U (en) | 2015-11-09 | 2015-11-09 | High voltage DC heavy current open circuit trouble developments simulation electron device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205229322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112526443A (en) * | 2020-12-02 | 2021-03-19 | 云南电网有限责任公司电力科学研究院 | Testing device with error self-detection function for electric energy meter |
-
2015
- 2015-11-09 CN CN201520887856.5U patent/CN205229322U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112526443A (en) * | 2020-12-02 | 2021-03-19 | 云南电网有限责任公司电力科学研究院 | Testing device with error self-detection function for electric energy meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203658552U (en) | Low side driving circuit capable of being used for detecting short circuit of power supply | |
| CN109094378A (en) | A kind of pantograph circuit for remotely controlling of unmanned subway train | |
| CN203365563U (en) | Intelligent simulated circuit breaker | |
| CN205229322U (en) | High voltage DC heavy current open circuit trouble developments simulation electron device | |
| CN203588107U (en) | Heavy-current linear constant-current power supply with automatic voltage regulation function | |
| CN202548291U (en) | Special controller for testing mechanical behavior of pole-mounted vacuum automatic distribution switch | |
| CN104049165A (en) | Electrical performance testing device of electromagnet | |
| CN203630296U (en) | PN junction reverse leakage current detection circuit | |
| CN202889312U (en) | Low power consumption low-voltage control relay with optical isolator | |
| CN105572495A (en) | DC high-voltage large-current circuit open-circuit fault dynamic simulation electronic device | |
| CN204441967U (en) | charging circuit, charging device and charging system | |
| CN203337807U (en) | Circuit capable of inhibiting overvoltage locking protection for current-constant power supply during startup | |
| CN208874490U (en) | A kind of servo-driver with input phase failure detection function | |
| CN102628924A (en) | Special controller for pole-mounted vacuum automatic power distribution switch mechanical property testing | |
| CN115917908A8 (en) | Control system and method for power supply system | |
| CN207026686U (en) | Photovoltaic welding belt welding control system | |
| CN202661578U (en) | Debugging device with automatic power-up conduction and automatic detection functions | |
| CN205178867U (en) | High -power converter of high pressure and have electrical equipment of this converter | |
| CN214538536U (en) | Combined switching box for quickly connecting electronic throttle wire harness interface and rack of engine | |
| CN202631702U (en) | Main circuit breaker testing device | |
| CN204375144U (en) | A kind of bluetooth change-over circuit module | |
| CN203911150U (en) | Intelligent socket | |
| CN202779543U (en) | Die protection device for steel shell machine | |
| CN202550875U (en) | DC (Direct current)-DC power converter based on UCx84x | |
| CN209225140U (en) | A kind of device guaranteeing electric vehicle brake safety |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20171109 |